diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/bcmdhd/dhd_sdio.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/bcmdhd/dhd_sdio.c | 7625 |
1 files changed, 0 insertions, 7625 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/bcmdhd/dhd_sdio.c b/ANDROID_3.4.5/drivers/net/wireless/bcmdhd/dhd_sdio.c deleted file mode 100644 index 1c2fe1f2..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/bcmdhd/dhd_sdio.c +++ /dev/null @@ -1,7625 +0,0 @@ -/* - * DHD Bus Module for SDIO - * - * Copyright (C) 1999-2012, Broadcom Corporation - * - * Unless you and Broadcom execute a separate written software license - * agreement governing use of this software, this software is licensed to you - * under the terms of the GNU General Public License version 2 (the "GPL"), - * available at http://www.broadcom.com/licenses/GPLv2.php, with the - * following added to such license: - * - * As a special exception, the copyright holders of this software give you - * permission to link this software with independent modules, and to copy and - * distribute the resulting executable under terms of your choice, provided that - * you also meet, for each linked independent module, the terms and conditions of - * the license of that module. An independent module is a module which is not - * derived from this software. The special exception does not apply to any - * modifications of the software. - * - * Notwithstanding the above, under no circumstances may you combine this - * software in any way with any other Broadcom software provided under a license - * other than the GPL, without Broadcom's express prior written consent. - * - * $Id: dhd_sdio.c 357859 2012-09-20 06:34:26Z $ - */ - -#include <typedefs.h> -#include <osl.h> -#include <bcmsdh.h> - -#ifdef BCMEMBEDIMAGE -#include BCMEMBEDIMAGE -#endif /* BCMEMBEDIMAGE */ - -#include <bcmdefs.h> -#include <bcmutils.h> -#include <bcmendian.h> -#include <bcmdevs.h> - -#include <siutils.h> -#include <hndpmu.h> -#include <hndsoc.h> -#include <bcmsdpcm.h> -#if defined(DHD_DEBUG) -#include <hndrte_armtrap.h> -#include <hndrte_cons.h> -#endif /* defined(DHD_DEBUG) */ -#include <sbchipc.h> -#include <sbhnddma.h> - -#include <sdio.h> -#include <sbsdio.h> -#include <sbsdpcmdev.h> -#include <bcmsdpcm.h> -#include <bcmsdbus.h> - -#include <proto/ethernet.h> -#include <proto/802.1d.h> -#include <proto/802.11.h> - -#include <dngl_stats.h> -#include <dhd.h> -#include <dhd_bus.h> -#include <dhd_proto.h> -#include <dhd_dbg.h> -#include <dhdioctl.h> -#include <sdiovar.h> - -#ifndef DHDSDIO_MEM_DUMP_FNAME -#define DHDSDIO_MEM_DUMP_FNAME "mem_dump" -#endif - -#define QLEN 256 /* bulk rx and tx queue lengths */ -#define FCHI (QLEN - 10) -#define FCLOW (FCHI / 2) -#define PRIOMASK 7 - -#define TXRETRIES 2 /* # of retries for tx frames */ - -#define DHD_RXBOUND 50 /* Default for max rx frames in one scheduling */ - -#define DHD_TXBOUND 20 /* Default for max tx frames in one scheduling */ - -#define DHD_TXMINMAX 1 /* Max tx frames if rx still pending */ - -#define MEMBLOCK 2048 /* Block size used for downloading of dongle image */ -#define MAX_NVRAMBUF_SIZE 4096 /* max nvram buf size */ -#define MAX_DATA_BUF (32 * 1024) /* Must be large enough to hold biggest possible glom */ - -#ifndef DHD_FIRSTREAD -#define DHD_FIRSTREAD 32 -#endif -#if !ISPOWEROF2(DHD_FIRSTREAD) -#error DHD_FIRSTREAD is not a power of 2! -#endif - -#ifdef BCMSDIOH_TXGLOM -/* Total length of TX frame header for dongle protocol */ -#define SDPCM_HDRLEN (SDPCM_FRAMETAG_LEN + SDPCM_HWEXT_LEN + SDPCM_SWHEADER_LEN) -/* Total length of RX frame for dongle protocol */ -#else -/* Total length of TX frame header for dongle protocol */ -#define SDPCM_HDRLEN (SDPCM_FRAMETAG_LEN + SDPCM_SWHEADER_LEN) -#endif - -#define SDPCM_HDRLEN_RX (SDPCM_FRAMETAG_LEN + SDPCM_SWHEADER_LEN) - -#ifdef SDTEST -#define SDPCM_RESERVE (SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + DHD_SDALIGN) -#else -#define SDPCM_RESERVE (SDPCM_HDRLEN + DHD_SDALIGN) -#endif - -/* Space for header read, limit for data packets */ -#ifndef MAX_HDR_READ -#define MAX_HDR_READ 32 -#endif -#if !ISPOWEROF2(MAX_HDR_READ) -#error MAX_HDR_READ is not a power of 2! -#endif - -#define MAX_RX_DATASZ 2048 - -/* Maximum milliseconds to wait for F2 to come up */ -#define DHD_WAIT_F2RDY 3000 - -/* Bump up limit on waiting for HT to account for first startup; - * if the image is doing a CRC calculation before programming the PMU - * for HT availability, it could take a couple hundred ms more, so - * max out at a 1 second (1000000us). - */ -#if (PMU_MAX_TRANSITION_DLY <= 1000000) -#undef PMU_MAX_TRANSITION_DLY -#define PMU_MAX_TRANSITION_DLY 1000000 -#endif - -/* Value for ChipClockCSR during initial setup */ -#define DHD_INIT_CLKCTL1 (SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_ALP_AVAIL_REQ) -#define DHD_INIT_CLKCTL2 (SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_FORCE_ALP) - -/* Flags for SDH calls */ -#define F2SYNC (SDIO_REQ_4BYTE | SDIO_REQ_FIXED) - -/* Packet free applicable unconditionally for sdio and sdspi. Conditional if - * bufpool was present for gspi bus. - */ -#define PKTFREE2() if ((bus->bus != SPI_BUS) || bus->usebufpool) \ - PKTFREE(bus->dhd->osh, pkt, FALSE); -DHD_SPINWAIT_SLEEP_INIT(sdioh_spinwait_sleep); -#if defined(OOB_INTR_ONLY) -extern void bcmsdh_set_irq(int flag); -#endif /* defined(OOB_INTR_ONLY) */ -#ifdef PROP_TXSTATUS -extern void dhd_wlfc_txcomplete(dhd_pub_t *dhd, void *txp, bool success); -#endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) -DEFINE_MUTEX(_dhd_sdio_mutex_lock_); -#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) */ - -#ifdef DHD_DEBUG -/* Device console log buffer state */ -#define CONSOLE_LINE_MAX 192 -#define CONSOLE_BUFFER_MAX 2024 -typedef struct dhd_console { - uint count; /* Poll interval msec counter */ - uint log_addr; /* Log struct address (fixed) */ - hndrte_log_t log; /* Log struct (host copy) */ - uint bufsize; /* Size of log buffer */ - uint8 *buf; /* Log buffer (host copy) */ - uint last; /* Last buffer read index */ -} dhd_console_t; -#endif /* DHD_DEBUG */ - -#define REMAP_ENAB(bus) ((bus)->remap) -#define REMAP_ISADDR(bus, a) (((a) >= ((bus)->orig_ramsize)) && ((a) < ((bus)->ramsize))) -#define KSO_ENAB(bus) ((bus)->kso) -#define SR_ENAB(bus) ((bus)->_srenab) -#define SLPAUTO_ENAB(bus) ((SR_ENAB(bus)) && ((bus)->_slpauto)) -#define MIN_RSRC_ADDR (SI_ENUM_BASE + 0x618) -#define MIN_RSRC_SR 0x3 -#define CORE_CAPEXT_ADDR (SI_ENUM_BASE + 0x64c) -#define CORE_CAPEXT_SR_SUPPORTED_MASK (1 << 1) -#define RCTL_MACPHY_DISABLE_MASK (1 << 26) -#define RCTL_LOGIC_DISABLE_MASK (1 << 27) - -#define OOB_WAKEUP_ENAB(bus) ((bus)->_oobwakeup) -#define GPIO_DEV_SRSTATE 16 /* Host gpio17 mapped to device gpio0 SR state */ -#define GPIO_DEV_SRSTATE_TIMEOUT 320000 /* 320ms */ -#define GPIO_DEV_WAKEUP 17 /* Host gpio17 mapped to device gpio1 wakeup */ -#define CC_CHIPCTRL2_GPIO1_WAKEUP (1 << 0) - -#define CC_PMUCC3 (0x3) -/* Private data for SDIO bus interaction */ -typedef struct dhd_bus { - dhd_pub_t *dhd; - - bcmsdh_info_t *sdh; /* Handle for BCMSDH calls */ - si_t *sih; /* Handle for SI calls */ - char *vars; /* Variables (from CIS and/or other) */ - uint varsz; /* Size of variables buffer */ - uint32 sbaddr; /* Current SB window pointer (-1, invalid) */ - - sdpcmd_regs_t *regs; /* Registers for SDIO core */ - uint sdpcmrev; /* SDIO core revision */ - uint armrev; /* CPU core revision */ - uint ramrev; /* SOCRAM core revision */ - uint32 ramsize; /* Size of RAM in SOCRAM (bytes) */ - uint32 orig_ramsize; /* Size of RAM in SOCRAM (bytes) */ - uint32 srmemsize; /* Size of SRMEM */ - - uint32 bus; /* gSPI or SDIO bus */ - uint32 hostintmask; /* Copy of Host Interrupt Mask */ - uint32 intstatus; /* Intstatus bits (events) pending */ - bool dpc_sched; /* Indicates DPC schedule (intrpt rcvd) */ - bool fcstate; /* State of dongle flow-control */ - - uint16 cl_devid; /* cached devid for dhdsdio_probe_attach() */ - char *fw_path; /* module_param: path to firmware image */ - char *nv_path; /* module_param: path to nvram vars file */ - const char *nvram_params; /* user specified nvram params. */ - - uint blocksize; /* Block size of SDIO transfers */ - uint roundup; /* Max roundup limit */ - - struct pktq txq; /* Queue length used for flow-control */ - uint8 flowcontrol; /* per prio flow control bitmask */ - uint8 tx_seq; /* Transmit sequence number (next) */ - uint8 tx_max; /* Maximum transmit sequence allowed */ - - uint8 hdrbuf[MAX_HDR_READ + DHD_SDALIGN]; - uint8 *rxhdr; /* Header of current rx frame (in hdrbuf) */ - uint16 nextlen; /* Next Read Len from last header */ - uint8 rx_seq; /* Receive sequence number (expected) */ - bool rxskip; /* Skip receive (awaiting NAK ACK) */ - - void *glomd; /* Packet containing glomming descriptor */ - void *glom; /* Packet chain for glommed superframe */ - uint glomerr; /* Glom packet read errors */ - - uint8 *rxbuf; /* Buffer for receiving control packets */ - uint rxblen; /* Allocated length of rxbuf */ - uint8 *rxctl; /* Aligned pointer into rxbuf */ - uint8 *databuf; /* Buffer for receiving big glom packet */ - uint8 *dataptr; /* Aligned pointer into databuf */ - uint rxlen; /* Length of valid data in buffer */ - - uint8 sdpcm_ver; /* Bus protocol reported by dongle */ - - bool intr; /* Use interrupts */ - bool poll; /* Use polling */ - bool ipend; /* Device interrupt is pending */ - bool intdis; /* Interrupts disabled by isr */ - uint intrcount; /* Count of device interrupt callbacks */ - uint lastintrs; /* Count as of last watchdog timer */ - uint spurious; /* Count of spurious interrupts */ - uint pollrate; /* Ticks between device polls */ - uint polltick; /* Tick counter */ - uint pollcnt; /* Count of active polls */ - -#ifdef DHD_DEBUG - dhd_console_t console; /* Console output polling support */ - uint console_addr; /* Console address from shared struct */ -#endif /* DHD_DEBUG */ - - uint regfails; /* Count of R_REG/W_REG failures */ - - uint clkstate; /* State of sd and backplane clock(s) */ - bool activity; /* Activity flag for clock down */ - int32 idletime; /* Control for activity timeout */ - int32 idlecount; /* Activity timeout counter */ - int32 idleclock; /* How to set bus driver when idle */ - int32 sd_divisor; /* Speed control to bus driver */ - int32 sd_mode; /* Mode control to bus driver */ - int32 sd_rxchain; /* If bcmsdh api accepts PKT chains */ - bool use_rxchain; /* If dhd should use PKT chains */ - bool sleeping; /* Is SDIO bus sleeping? */ - uint rxflow_mode; /* Rx flow control mode */ - bool rxflow; /* Is rx flow control on */ - uint prev_rxlim_hit; /* Is prev rx limit exceeded (per dpc schedule) */ - bool alp_only; /* Don't use HT clock (ALP only) */ - /* Field to decide if rx of control frames happen in rxbuf or lb-pool */ - bool usebufpool; - -#ifdef SDTEST - /* external loopback */ - bool ext_loop; - uint8 loopid; - - /* pktgen configuration */ - uint pktgen_freq; /* Ticks between bursts */ - uint pktgen_count; /* Packets to send each burst */ - uint pktgen_print; /* Bursts between count displays */ - uint pktgen_total; /* Stop after this many */ - uint pktgen_minlen; /* Minimum packet data len */ - uint pktgen_maxlen; /* Maximum packet data len */ - uint pktgen_mode; /* Configured mode: tx, rx, or echo */ - uint pktgen_stop; /* Number of tx failures causing stop */ - - /* active pktgen fields */ - uint pktgen_tick; /* Tick counter for bursts */ - uint pktgen_ptick; /* Burst counter for printing */ - uint pktgen_sent; /* Number of test packets generated */ - uint pktgen_rcvd; /* Number of test packets received */ - uint pktgen_fail; /* Number of failed send attempts */ - uint16 pktgen_len; /* Length of next packet to send */ -#define PKTGEN_RCV_IDLE (0) -#define PKTGEN_RCV_ONGOING (1) - uint16 pktgen_rcv_state; /* receive state */ - uint pktgen_rcvd_rcvsession; /* test pkts rcvd per rcv session. */ -#endif /* SDTEST */ - - /* Some additional counters */ - uint tx_sderrs; /* Count of tx attempts with sd errors */ - uint fcqueued; /* Tx packets that got queued */ - uint rxrtx; /* Count of rtx requests (NAK to dongle) */ - uint rx_toolong; /* Receive frames too long to receive */ - uint rxc_errors; /* SDIO errors when reading control frames */ - uint rx_hdrfail; /* SDIO errors on header reads */ - uint rx_badhdr; /* Bad received headers (roosync?) */ - uint rx_badseq; /* Mismatched rx sequence number */ - uint fc_rcvd; /* Number of flow-control events received */ - uint fc_xoff; /* Number which turned on flow-control */ - uint fc_xon; /* Number which turned off flow-control */ - uint rxglomfail; /* Failed deglom attempts */ - uint rxglomframes; /* Number of glom frames (superframes) */ - uint rxglompkts; /* Number of packets from glom frames */ - uint f2rxhdrs; /* Number of header reads */ - uint f2rxdata; /* Number of frame data reads */ - uint f2txdata; /* Number of f2 frame writes */ - uint f1regdata; /* Number of f1 register accesses */ - - uint8 *ctrl_frame_buf; - uint32 ctrl_frame_len; - bool ctrl_frame_stat; - uint32 rxint_mode; /* rx interrupt mode */ - bool remap; /* Contiguous 1MB RAM: 512K socram + 512K devram - * Available with socram rev 16 - * Remap region not DMA-able - */ - bool kso; - bool _slpauto; - bool _oobwakeup; - bool _srenab; - bool readframes; - bool reqbussleep; - uint32 resetinstr; - uint32 dongle_ram_base; -#ifdef BCMSDIOH_TXGLOM - void *glom_pkt_arr[SDPCM_MAXGLOM_SIZE]; /* Array of pkts for glomming */ - uint16 glom_cnt; /* Number of pkts in the glom array */ - uint16 glom_total_len; /* Total length of pkts in glom array */ - bool glom_enable; /* Flag to indicate whether tx glom is enabled/disabled */ - uint8 glom_mode; /* Glom mode - 0-copy mode, 1 - Multi-descriptor mode */ - uint32 glomsize; /* Glom size limitation */ -#endif -} dhd_bus_t; - -/* clkstate */ -#define CLK_NONE 0 -#define CLK_SDONLY 1 -#define CLK_PENDING 2 /* Not used yet */ -#define CLK_AVAIL 3 - -#define DHD_NOPMU(dhd) (FALSE) - -#ifdef DHD_DEBUG -static int qcount[NUMPRIO]; -static int tx_packets[NUMPRIO]; -#endif /* DHD_DEBUG */ - -/* Deferred transmit */ -const uint dhd_deferred_tx = 1; - -extern uint dhd_watchdog_ms; -extern void dhd_os_wd_timer(void *bus, uint wdtick); - -/* Tx/Rx bounds */ -uint dhd_txbound; -uint dhd_rxbound; -uint dhd_txminmax = DHD_TXMINMAX; - -/* override the RAM size if possible */ -#define DONGLE_MIN_MEMSIZE (128 *1024) -int dhd_dongle_memsize; - -static bool dhd_doflow; -static bool dhd_alignctl; - -static bool sd1idle; - -static bool retrydata; -#define RETRYCHAN(chan) (((chan) == SDPCM_EVENT_CHANNEL) || retrydata) - -#if defined(SDIO_CRC_ERROR_FIX) -static uint watermark = 48; -static uint mesbusyctrl = 80; -#else -static const uint watermark = 8; -static const uint mesbusyctrl = 0; -#endif -static const uint firstread = DHD_FIRSTREAD; - -#define HDATLEN (firstread - (SDPCM_HDRLEN)) - -/* Retry count for register access failures */ -static const uint retry_limit = 2; - -/* Force even SD lengths (some host controllers mess up on odd bytes) */ -static bool forcealign; - -#define ALIGNMENT 4 - -#if defined(OOB_INTR_ONLY) && defined(HW_OOB) -extern void bcmsdh_enable_hw_oob_intr(void *sdh, bool enable); -#endif - -#if defined(OOB_INTR_ONLY) && defined(SDIO_ISR_THREAD) -#error OOB_INTR_ONLY is NOT working with SDIO_ISR_THREAD -#endif /* defined(OOB_INTR_ONLY) && defined(SDIO_ISR_THREAD) */ -#define PKTALIGN(osh, p, len, align) \ - do { \ - uint datalign; \ - datalign = (uintptr)PKTDATA((osh), (p)); \ - datalign = ROUNDUP(datalign, (align)) - datalign; \ - ASSERT(datalign < (align)); \ - ASSERT(PKTLEN((osh), (p)) >= ((len) + datalign)); \ - if (datalign) \ - PKTPULL((osh), (p), datalign); \ - PKTSETLEN((osh), (p), (len)); \ - } while (0) - -/* Limit on rounding up frames */ -static const uint max_roundup = 512; - -/* Try doing readahead */ -static bool dhd_readahead; - - -/* To check if there's window offered */ -#define DATAOK(bus) \ - (((uint8)(bus->tx_max - bus->tx_seq) > 1) && \ - (((uint8)(bus->tx_max - bus->tx_seq) & 0x80) == 0)) - -/* To check if there's window offered for ctrl frame */ -#define TXCTLOK(bus) \ - (((uint8)(bus->tx_max - bus->tx_seq) != 0) && \ - (((uint8)(bus->tx_max - bus->tx_seq) & 0x80) == 0)) - -/* Number of pkts available in dongle for data RX */ -#define DATABUFCNT(bus) \ - ((uint8)(bus->tx_max - bus->tx_seq) - 1) - -/* Macros to get register read/write status */ -/* NOTE: these assume a local dhdsdio_bus_t *bus! */ -#define R_SDREG(regvar, regaddr, retryvar) \ -do { \ - retryvar = 0; \ - do { \ - regvar = R_REG(bus->dhd->osh, regaddr); \ - } while (bcmsdh_regfail(bus->sdh) && (++retryvar <= retry_limit)); \ - if (retryvar) { \ - bus->regfails += (retryvar-1); \ - if (retryvar > retry_limit) { \ - DHD_ERROR(("%s: FAILED" #regvar "READ, LINE %d\n", \ - __FUNCTION__, __LINE__)); \ - regvar = 0; \ - } \ - } \ -} while (0) - -#define W_SDREG(regval, regaddr, retryvar) \ -do { \ - retryvar = 0; \ - do { \ - W_REG(bus->dhd->osh, regaddr, regval); \ - } while (bcmsdh_regfail(bus->sdh) && (++retryvar <= retry_limit)); \ - if (retryvar) { \ - bus->regfails += (retryvar-1); \ - if (retryvar > retry_limit) \ - DHD_ERROR(("%s: FAILED REGISTER WRITE, LINE %d\n", \ - __FUNCTION__, __LINE__)); \ - } \ -} while (0) - -#define BUS_WAKE(bus) \ - do { \ - bus->idlecount = 0; \ - if ((bus)->sleeping) \ - dhdsdio_bussleep((bus), FALSE); \ - } while (0); - -/* - * pktavail interrupts from dongle to host can be managed in 3 different ways - * whenever there is a packet available in dongle to transmit to host. - * - * Mode 0: Dongle writes the software host mailbox and host is interrupted. - * Mode 1: (sdiod core rev >= 4) - * Device sets a new bit in the intstatus whenever there is a packet - * available in fifo. Host can't clear this specific status bit until all the - * packets are read from the FIFO. No need to ack dongle intstatus. - * Mode 2: (sdiod core rev >= 4) - * Device sets a bit in the intstatus, and host acks this by writing - * one to this bit. Dongle won't generate anymore packet interrupts - * until host reads all the packets from the dongle and reads a zero to - * figure that there are no more packets. No need to disable host ints. - * Need to ack the intstatus. - */ - -#define SDIO_DEVICE_HMB_RXINT 0 /* default old way */ -#define SDIO_DEVICE_RXDATAINT_MODE_0 1 /* from sdiod rev 4 */ -#define SDIO_DEVICE_RXDATAINT_MODE_1 2 /* from sdiod rev 4 */ - - -#define FRAME_AVAIL_MASK(bus) \ - ((bus->rxint_mode == SDIO_DEVICE_HMB_RXINT) ? I_HMB_FRAME_IND : I_XMTDATA_AVAIL) - -#define DHD_BUS SDIO_BUS - -#define PKT_AVAILABLE(bus, intstatus) ((intstatus) & (FRAME_AVAIL_MASK(bus))) - -#define HOSTINTMASK (I_HMB_SW_MASK | I_CHIPACTIVE) - -#define GSPI_PR55150_BAILOUT - -#ifdef SDTEST -static void dhdsdio_testrcv(dhd_bus_t *bus, void *pkt, uint seq); -static void dhdsdio_sdtest_set(dhd_bus_t *bus, uint8 count); -#endif - -#ifdef DHD_DEBUG -static int dhdsdio_checkdied(dhd_bus_t *bus, char *data, uint size); -static int dhd_serialconsole(dhd_bus_t *bus, bool get, bool enable, int *bcmerror); -#endif /* DHD_DEBUG */ - -static int dhdsdio_devcap_set(dhd_bus_t *bus, uint8 cap); -static int dhdsdio_download_state(dhd_bus_t *bus, bool enter); - -static void dhdsdio_release(dhd_bus_t *bus, osl_t *osh); -static void dhdsdio_release_malloc(dhd_bus_t *bus, osl_t *osh); -static void dhdsdio_disconnect(void *ptr); -static bool dhdsdio_chipmatch(uint16 chipid); -static bool dhdsdio_probe_attach(dhd_bus_t *bus, osl_t *osh, void *sdh, - void * regsva, uint16 devid); -static bool dhdsdio_probe_malloc(dhd_bus_t *bus, osl_t *osh, void *sdh); -static bool dhdsdio_probe_init(dhd_bus_t *bus, osl_t *osh, void *sdh); -static void dhdsdio_release_dongle(dhd_bus_t *bus, osl_t *osh, bool dongle_isolation, - bool reset_flag); - -static void dhd_dongle_setmemsize(struct dhd_bus *bus, int mem_size); -static int dhd_bcmsdh_recv_buf(dhd_bus_t *bus, uint32 addr, uint fn, uint flags, - uint8 *buf, uint nbytes, - void *pkt, bcmsdh_cmplt_fn_t complete, void *handle); -static int dhd_bcmsdh_send_buf(dhd_bus_t *bus, uint32 addr, uint fn, uint flags, - uint8 *buf, uint nbytes, - void *pkt, bcmsdh_cmplt_fn_t complete, void *handle); -#ifdef BCMSDIOH_TXGLOM -static void dhd_bcmsdh_glom_post(dhd_bus_t *bus, uint8 *frame, uint len); -static void dhd_bcmsdh_glom_clear(dhd_bus_t *bus); -#endif - -static bool dhdsdio_download_firmware(dhd_bus_t *bus, osl_t *osh, void *sdh); -static int _dhdsdio_download_firmware(dhd_bus_t *bus); - -static int dhdsdio_download_code_file(dhd_bus_t *bus, char *image_path); -static int dhdsdio_download_nvram(dhd_bus_t *bus); -#ifdef BCMEMBEDIMAGE -static int dhdsdio_download_code_array(dhd_bus_t *bus); -#endif -static int dhdsdio_bussleep(dhd_bus_t *bus, bool sleep); -static int dhdsdio_clkctl(dhd_bus_t *bus, uint target, bool pendok); -static uint8 dhdsdio_sleepcsr_get(dhd_bus_t *bus); - -#ifdef WLMEDIA_HTSF -#include <htsf.h> -extern uint32 dhd_get_htsf(void *dhd, int ifidx); -#endif /* WLMEDIA_HTSF */ - -static void -dhd_dongle_setmemsize(struct dhd_bus *bus, int mem_size) -{ - int32 min_size = DONGLE_MIN_MEMSIZE; - /* Restrict the memsize to user specified limit */ - DHD_ERROR(("user: Restrict the dongle ram size to %d, min accepted %d\n", - dhd_dongle_memsize, min_size)); - if ((dhd_dongle_memsize > min_size) && - (dhd_dongle_memsize < (int32)bus->orig_ramsize)) - bus->ramsize = dhd_dongle_memsize; -} - -static int -dhdsdio_set_siaddr_window(dhd_bus_t *bus, uint32 address) -{ - int err = 0; - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW, - (address >> 8) & SBSDIO_SBADDRLOW_MASK, &err); - if (!err) - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRMID, - (address >> 16) & SBSDIO_SBADDRMID_MASK, &err); - if (!err) - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRHIGH, - (address >> 24) & SBSDIO_SBADDRHIGH_MASK, &err); - return err; -} - - -#ifdef USE_OOB_GPIO1 -static int -dhdsdio_oobwakeup_init(dhd_bus_t *bus) -{ - uint32 val, addr, data; - - bcmsdh_gpioouten(bus->sdh, GPIO_DEV_WAKEUP); - - addr = SI_ENUM_BASE + OFFSETOF(chipcregs_t, chipcontrol_addr); - data = SI_ENUM_BASE + OFFSETOF(chipcregs_t, chipcontrol_data); - - /* Set device for gpio1 wakeup */ - bcmsdh_reg_write(bus->sdh, addr, 4, 2); - val = bcmsdh_reg_read(bus->sdh, data, 4); - val |= CC_CHIPCTRL2_GPIO1_WAKEUP; - bcmsdh_reg_write(bus->sdh, data, 4, val); - - bus->_oobwakeup = TRUE; - - return 0; -} -#endif /* USE_OOB_GPIO1 */ - -/* - * Query if FW is in SR mode - */ -static bool -dhdsdio_sr_cap(dhd_bus_t *bus) -{ - bool cap = FALSE; - uint32 min = 0, core_capext, addr, data; - if (bus->sih->chip == BCM4324_CHIP_ID) { - addr = SI_ENUM_BASE + OFFSETOF(chipcregs_t, chipcontrol_addr); - data = SI_ENUM_BASE + OFFSETOF(chipcregs_t, chipcontrol_data); - bcmsdh_reg_write(bus->sdh, addr, 4, 3); - core_capext = bcmsdh_reg_read(bus->sdh, data, 4); - } else if (bus->sih->chip == BCM4330_CHIP_ID) { - core_capext = FALSE; - } else if (bus->sih->chip == BCM4335_CHIP_ID) { - core_capext = TRUE; - } else { - core_capext = bcmsdh_reg_read(bus->sdh, CORE_CAPEXT_ADDR, 4); - core_capext = (core_capext & CORE_CAPEXT_SR_SUPPORTED_MASK); - } - if (!(core_capext)) - return FALSE; - - if (bus->sih->chip == BCM4324_CHIP_ID) { - /* FIX: Should change to query SR control register instead */ - min = bcmsdh_reg_read(bus->sdh, MIN_RSRC_ADDR, 4); - if (min == MIN_RSRC_SR) - cap = TRUE; - } else if (bus->sih->chip == BCM4335_CHIP_ID) { - uint32 enabval = 0; - addr = SI_ENUM_BASE + OFFSETOF(chipcregs_t, chipcontrol_addr); - data = SI_ENUM_BASE + OFFSETOF(chipcregs_t, chipcontrol_data); - bcmsdh_reg_write(bus->sdh, addr, 4, CC_PMUCC3); - enabval = bcmsdh_reg_read(bus->sdh, data, 4); - - if (enabval) - cap = TRUE; - } else { - data = bcmsdh_reg_read(bus->sdh, - SI_ENUM_BASE + OFFSETOF(chipcregs_t, retention_ctl), 4); - if ((data & (RCTL_MACPHY_DISABLE_MASK | RCTL_LOGIC_DISABLE_MASK)) == 0) - cap = TRUE; - } - - return cap; -} - -static int -dhdsdio_srwar_init(dhd_bus_t *bus) -{ - - bcmsdh_gpio_init(bus->sdh); - -#ifdef USE_OOB_GPIO1 - dhdsdio_oobwakeup_init(bus); -#endif - - - return 0; -} - -static int -dhdsdio_sr_init(dhd_bus_t *bus) -{ - uint8 val; - int err = 0; - - if ((bus->sih->chip == BCM4334_CHIP_ID) && (bus->sih->chiprev == 2)) - dhdsdio_srwar_init(bus); - - val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WAKEUPCTRL, NULL); - val |= 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT; - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WAKEUPCTRL, - 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT, &err); - val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WAKEUPCTRL, NULL); - - /* Add CMD14 Support */ - dhdsdio_devcap_set(bus, - (SDIOD_CCCR_BRCM_CARDCAP_CMD14_SUPPORT | SDIOD_CCCR_BRCM_CARDCAP_CMD14_EXT)); - - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_CHIPCLKCSR, SBSDIO_FORCE_HT, &err); - - bus->_slpauto = dhd_slpauto ? TRUE : FALSE; - - bus->_srenab = TRUE; - - return 0; -} - -/* - * FIX: Be sure KSO bit is enabled - * Currently, it's defaulting to 0 which should be 1. - */ -static int -dhdsdio_clk_kso_init(dhd_bus_t *bus) -{ - uint8 val; - int err = 0; - - /* set flag */ - bus->kso = TRUE; - - /* - * Enable KeepSdioOn (KSO) bit for normal operation - * Default is 0 (4334A0) so set it. Fixed in B0. - */ - val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, NULL); - if (!(val & SBSDIO_FUNC1_SLEEPCSR_KSO_MASK)) { - val |= (SBSDIO_FUNC1_SLEEPCSR_KSO_EN << SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT); - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, val, &err); - if (err) - DHD_ERROR(("%s: SBSDIO_FUNC1_SLEEPCSR err: 0x%x\n", __FUNCTION__, err)); - } - - return 0; -} - -#define KSO_DBG(x) -#define MAX_KSO_ATTEMPTS 64 -static int -dhdsdio_clk_kso_enab(dhd_bus_t *bus, bool on) -{ - uint8 wr_val = 0, rd_val, cmp_val, bmask; - int err = 0; - int try_cnt = 0; - - KSO_DBG(("%s> op:%s\n", __FUNCTION__, (on ? "KSO_SET" : "KSO_CLR"))); - - wr_val |= (on << SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT); - - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, wr_val, &err); - - if (on) { - cmp_val = SBSDIO_FUNC1_SLEEPCSR_KSO_MASK | SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK; - bmask = cmp_val; - - msleep(3); - - } else { - /* Put device to sleep, turn off KSO */ - cmp_val = 0; - bmask = SBSDIO_FUNC1_SLEEPCSR_KSO_MASK; - } - - do { - rd_val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, &err); - if (((rd_val & bmask) == cmp_val) && !err) - break; - - KSO_DBG(("%s> KSO wr/rd retry:%d, ERR:%x \n", __FUNCTION__, try_cnt, err)); - OSL_DELAY(50); - - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, wr_val, &err); - - } while (try_cnt++ < MAX_KSO_ATTEMPTS); - - - if (try_cnt > 1) { - KSO_DBG(("%s> op:%s, try_cnt:%d, rd_val:%x, ERR:%x \n", - __FUNCTION__, (on ? "KSO_SET" : "KSO_CLR"), try_cnt, rd_val, err)); - } - - if (try_cnt > MAX_KSO_ATTEMPTS) { - DHD_ERROR(("%s> op:%s, ERROR: try_cnt:%d, rd_val:%x, ERR:%x \n", - __FUNCTION__, (on ? "KSO_SET" : "KSO_CLR"), try_cnt, rd_val, err)); - } - return err; -} - -static int -dhdsdio_clk_kso_iovar(dhd_bus_t *bus, bool on) -{ - int err = 0; - - if (on == FALSE) { - - BUS_WAKE(bus); - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - - DHD_ERROR(("%s: KSO disable clk: 0x%x\n", __FUNCTION__, - bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_CHIPCLKCSR, &err))); - dhdsdio_clk_kso_enab(bus, FALSE); - } else { - DHD_ERROR(("%s: KSO enable\n", __FUNCTION__)); - - /* Make sure we have SD bus access */ - if (bus->clkstate == CLK_NONE) { - DHD_ERROR(("%s: Request SD clk\n", __FUNCTION__)); - dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); - } - - /* Double-write to be safe in case transition of AOS */ - dhdsdio_clk_kso_enab(bus, TRUE); - dhdsdio_clk_kso_enab(bus, TRUE); - OSL_DELAY(4000); - - /* Wait for device ready during transition to wake-up */ - SPINWAIT(((dhdsdio_sleepcsr_get(bus)) != - (SBSDIO_FUNC1_SLEEPCSR_KSO_MASK | - SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK)), - (10000)); - - DHD_ERROR(("%s: sleepcsr: 0x%x\n", __FUNCTION__, - dhdsdio_sleepcsr_get(bus))); - } - - bus->kso = on; - BCM_REFERENCE(err); - - return 0; -} - -static uint8 -dhdsdio_sleepcsr_get(dhd_bus_t *bus) -{ - int err = 0; - uint8 val = 0; - - val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, &err); - if (err) - DHD_TRACE(("Failed to read SLEEPCSR: %d\n", err)); - - return val; -} - -uint8 -dhdsdio_devcap_get(dhd_bus_t *bus) -{ - return bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_BRCM_CARDCAP, NULL); -} - -static int -dhdsdio_devcap_set(dhd_bus_t *bus, uint8 cap) -{ - int err = 0; - - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_BRCM_CARDCAP, cap, &err); - if (err) - DHD_ERROR(("%s: devcap set err: 0x%x\n", __FUNCTION__, err)); - - return 0; -} - -static int -dhdsdio_clk_devsleep_iovar(dhd_bus_t *bus, bool on) -{ - int err = 0, retry; - uint8 val; - - retry = 0; - if (on == TRUE) { - /* Enter Sleep */ - - /* Be sure we request clk before going to sleep - * so we can wake-up with clk request already set - * else device can go back to sleep immediately - */ - if (!SLPAUTO_ENAB(bus)) - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - else { - val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, &err); - if ((val & SBSDIO_CSR_MASK) == 0) { - DHD_ERROR(("%s: No clock before enter sleep:0x%x\n", - __FUNCTION__, val)); - - /* Reset clock request */ - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, - SBSDIO_ALP_AVAIL_REQ, &err); - DHD_ERROR(("%s: clock before sleep:0x%x\n", __FUNCTION__, - bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_CHIPCLKCSR, &err))); - } - } - - DHD_TRACE(("%s: clk before sleep: 0x%x\n", __FUNCTION__, - bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_CHIPCLKCSR, &err))); -#ifdef USE_CMD14 - err = bcmsdh_sleep(bus->sdh, TRUE); -#else - err = dhdsdio_clk_kso_enab(bus, FALSE); - if (OOB_WAKEUP_ENAB(bus)) - err = bcmsdh_gpioout(bus->sdh, GPIO_DEV_WAKEUP, FALSE); /* GPIO_1 is off */ -#endif - } else { - /* Exit Sleep */ - /* Make sure we have SD bus access */ - if (bus->clkstate == CLK_NONE) { - DHD_TRACE(("%s: Request SD clk\n", __FUNCTION__)); - dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); - } - - if ((bus->sih->chip == BCM4334_CHIP_ID) && (bus->sih->chiprev == 2)) { - SPINWAIT((bcmsdh_gpioin(bus->sdh, GPIO_DEV_SRSTATE) != TRUE), - GPIO_DEV_SRSTATE_TIMEOUT); - - if (bcmsdh_gpioin(bus->sdh, GPIO_DEV_SRSTATE) == FALSE) { - DHD_ERROR(("ERROR: GPIO_DEV_SRSTATE still low!\n")); - } - } -#ifdef USE_CMD14 - err = bcmsdh_sleep(bus->sdh, FALSE); - if (SLPAUTO_ENAB(bus) && (err != 0)) { - OSL_DELAY(10000); - DHD_TRACE(("%s: Resync device sleep\n", __FUNCTION__)); - - /* Toggle sleep to resync with host and device */ - err = bcmsdh_sleep(bus->sdh, TRUE); - OSL_DELAY(10000); - err = bcmsdh_sleep(bus->sdh, FALSE); - - if (err) { - OSL_DELAY(10000); - DHD_ERROR(("%s: CMD14 exit failed again!\n", __FUNCTION__)); - - /* Toggle sleep to resync with host and device */ - err = bcmsdh_sleep(bus->sdh, TRUE); - OSL_DELAY(10000); - err = bcmsdh_sleep(bus->sdh, FALSE); - if (err) { - DHD_ERROR(("%s: CMD14 exit failed twice!\n", __FUNCTION__)); - DHD_ERROR(("%s: FATAL: Device non-response!\n", - __FUNCTION__)); - err = 0; - } - } - } -#else - if (OOB_WAKEUP_ENAB(bus)) - err = bcmsdh_gpioout(bus->sdh, GPIO_DEV_WAKEUP, TRUE); /* GPIO_1 is on */ - - do { - err = dhdsdio_clk_kso_enab(bus, TRUE); - if (err) - OSL_DELAY(10000); - } while ((err != 0) && (++retry < 3)); - - if (err != 0) { - DHD_ERROR(("ERROR: kso set failed retry: %d\n", retry)); - err = 0; /* continue anyway */ - } -#endif /* !USE_CMD14 */ - - if (err == 0) { - uint8 csr; - - /* Wait for device ready during transition to wake-up */ - SPINWAIT((((csr = dhdsdio_sleepcsr_get(bus)) & - SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK) != - (SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK)), (20000)); - - DHD_TRACE(("%s: ExitSleep sleepcsr: 0x%x\n", __FUNCTION__, csr)); - - if (!(csr & SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK)) { - DHD_ERROR(("%s:ERROR: ExitSleep device NOT Ready! 0x%x\n", - __FUNCTION__, csr)); - err = BCME_NODEVICE; - } - - SPINWAIT((((csr = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_CHIPCLKCSR, &err)) & SBSDIO_HT_AVAIL) != - (SBSDIO_HT_AVAIL)), (10000)); - - } - } - - /* Update if successful */ - if (err == 0) - bus->kso = on ? FALSE : TRUE; - else { - DHD_ERROR(("%s: Sleep request failed: on:%d err:%d\n", __FUNCTION__, on, err)); - } - - return err; -} - -/* Turn backplane clock on or off */ -static int -dhdsdio_htclk(dhd_bus_t *bus, bool on, bool pendok) -{ -#define HT_AVAIL_ERROR_MAX 10 - static int ht_avail_error = 0; - int err; - uint8 clkctl, clkreq, devctl; - bcmsdh_info_t *sdh; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - -#if defined(OOB_INTR_ONLY) - pendok = FALSE; -#endif /* defined(OOB_INTR_ONLY) */ - clkctl = 0; - sdh = bus->sdh; - - - if (!KSO_ENAB(bus)) - return BCME_OK; - - if (SLPAUTO_ENAB(bus)) { - bus->clkstate = (on ? CLK_AVAIL : CLK_SDONLY); - return BCME_OK; - } - - if (on) { - /* Request HT Avail */ - clkreq = bus->alp_only ? SBSDIO_ALP_AVAIL_REQ : SBSDIO_HT_AVAIL_REQ; - - - - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, clkreq, &err); - if (err) { - ht_avail_error++; - if (ht_avail_error < HT_AVAIL_ERROR_MAX) { - DHD_ERROR(("%s: HT Avail request error: %d\n", __FUNCTION__, err)); - } - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) - else if (ht_avail_error == HT_AVAIL_ERROR_MAX) { - dhd_os_send_hang_message(bus->dhd); - } -#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) */ - return BCME_ERROR; - } else { - ht_avail_error = 0; - } - - if (pendok && - ((bus->sih->buscoretype == PCMCIA_CORE_ID) && (bus->sih->buscorerev == 9))) { - uint32 dummy, retries; - R_SDREG(dummy, &bus->regs->clockctlstatus, retries); - BCM_REFERENCE(dummy); - } - - /* Check current status */ - clkctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, &err); - if (err) { - DHD_ERROR(("%s: HT Avail read error: %d\n", __FUNCTION__, err)); - return BCME_ERROR; - } - - /* Go to pending and await interrupt if appropriate */ - if (!SBSDIO_CLKAV(clkctl, bus->alp_only) && pendok) { - /* Allow only clock-available interrupt */ - devctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, &err); - if (err) { - DHD_ERROR(("%s: Devctl access error setting CA: %d\n", - __FUNCTION__, err)); - return BCME_ERROR; - } - - devctl |= SBSDIO_DEVCTL_CA_INT_ONLY; - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, devctl, &err); - DHD_INFO(("CLKCTL: set PENDING\n")); - bus->clkstate = CLK_PENDING; - return BCME_OK; - } else if (bus->clkstate == CLK_PENDING) { - /* Cancel CA-only interrupt filter */ - devctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, &err); - devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, devctl, &err); - } - - /* Otherwise, wait here (polling) for HT Avail */ - if (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { - SPINWAIT_SLEEP(sdioh_spinwait_sleep, - ((clkctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_CHIPCLKCSR, &err)), - !SBSDIO_CLKAV(clkctl, bus->alp_only)), PMU_MAX_TRANSITION_DLY); - } - if (err) { - DHD_ERROR(("%s: HT Avail request error: %d\n", __FUNCTION__, err)); - return BCME_ERROR; - } - if (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { - DHD_ERROR(("%s: HT Avail timeout (%d): clkctl 0x%02x\n", - __FUNCTION__, PMU_MAX_TRANSITION_DLY, clkctl)); - return BCME_ERROR; - } - - /* Mark clock available */ - bus->clkstate = CLK_AVAIL; - DHD_INFO(("CLKCTL: turned ON\n")); - -#if defined(DHD_DEBUG) - if (bus->alp_only == TRUE) { -#if !defined(BCMLXSDMMC) - if (!SBSDIO_ALPONLY(clkctl)) { - DHD_ERROR(("%s: HT Clock, when ALP Only\n", __FUNCTION__)); - } -#endif /* !defined(BCMLXSDMMC) */ - } else { - if (SBSDIO_ALPONLY(clkctl)) { - DHD_ERROR(("%s: HT Clock should be on.\n", __FUNCTION__)); - } - } -#endif /* defined (DHD_DEBUG) */ - - bus->activity = TRUE; -#ifdef DHD_USE_IDLECOUNT - bus->idlecount = 0; -#endif /* DHD_USE_IDLECOUNT */ - } else { - clkreq = 0; - if (bus->clkstate == CLK_PENDING) { - /* Cancel CA-only interrupt filter */ - devctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, &err); - devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, devctl, &err); - } - - bus->clkstate = CLK_SDONLY; - if (!SR_ENAB(bus)) { - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, clkreq, &err); - DHD_INFO(("CLKCTL: turned OFF\n")); - if (err) { - DHD_ERROR(("%s: Failed access turning clock off: %d\n", - __FUNCTION__, err)); - return BCME_ERROR; - } - } - } - return BCME_OK; -} - -/* Change idle/active SD state */ -static int -dhdsdio_sdclk(dhd_bus_t *bus, bool on) -{ - int err; - int32 iovalue; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - if (on) { - if (bus->idleclock == DHD_IDLE_STOP) { - /* Turn on clock and restore mode */ - iovalue = 1; - err = bcmsdh_iovar_op(bus->sdh, "sd_clock", NULL, 0, - &iovalue, sizeof(iovalue), TRUE); - if (err) { - DHD_ERROR(("%s: error enabling sd_clock: %d\n", - __FUNCTION__, err)); - return BCME_ERROR; - } - - iovalue = bus->sd_mode; - err = bcmsdh_iovar_op(bus->sdh, "sd_mode", NULL, 0, - &iovalue, sizeof(iovalue), TRUE); - if (err) { - DHD_ERROR(("%s: error changing sd_mode: %d\n", - __FUNCTION__, err)); - return BCME_ERROR; - } - } else if (bus->idleclock != DHD_IDLE_ACTIVE) { - /* Restore clock speed */ - iovalue = bus->sd_divisor; - err = bcmsdh_iovar_op(bus->sdh, "sd_divisor", NULL, 0, - &iovalue, sizeof(iovalue), TRUE); - if (err) { - DHD_ERROR(("%s: error restoring sd_divisor: %d\n", - __FUNCTION__, err)); - return BCME_ERROR; - } - } - bus->clkstate = CLK_SDONLY; - } else { - /* Stop or slow the SD clock itself */ - if ((bus->sd_divisor == -1) || (bus->sd_mode == -1)) { - DHD_TRACE(("%s: can't idle clock, divisor %d mode %d\n", - __FUNCTION__, bus->sd_divisor, bus->sd_mode)); - return BCME_ERROR; - } - if (bus->idleclock == DHD_IDLE_STOP) { - if (sd1idle) { - /* Change to SD1 mode and turn off clock */ - iovalue = 1; - err = bcmsdh_iovar_op(bus->sdh, "sd_mode", NULL, 0, - &iovalue, sizeof(iovalue), TRUE); - if (err) { - DHD_ERROR(("%s: error changing sd_clock: %d\n", - __FUNCTION__, err)); - return BCME_ERROR; - } - } - - iovalue = 0; - err = bcmsdh_iovar_op(bus->sdh, "sd_clock", NULL, 0, - &iovalue, sizeof(iovalue), TRUE); - if (err) { - DHD_ERROR(("%s: error disabling sd_clock: %d\n", - __FUNCTION__, err)); - return BCME_ERROR; - } - } else if (bus->idleclock != DHD_IDLE_ACTIVE) { - /* Set divisor to idle value */ - iovalue = bus->idleclock; - err = bcmsdh_iovar_op(bus->sdh, "sd_divisor", NULL, 0, - &iovalue, sizeof(iovalue), TRUE); - if (err) { - DHD_ERROR(("%s: error changing sd_divisor: %d\n", - __FUNCTION__, err)); - return BCME_ERROR; - } - } - bus->clkstate = CLK_NONE; - } - - return BCME_OK; -} - -/* Transition SD and backplane clock readiness */ -static int -dhdsdio_clkctl(dhd_bus_t *bus, uint target, bool pendok) -{ - int ret = BCME_OK; -#ifdef DHD_DEBUG - uint oldstate = bus->clkstate; -#endif /* DHD_DEBUG */ - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - /* Early exit if we're already there */ - if (bus->clkstate == target) { - if (target == CLK_AVAIL) { - dhd_os_wd_timer(bus->dhd, dhd_watchdog_ms); - bus->activity = TRUE; -#ifdef DHD_USE_IDLECOUNT - bus->idlecount = 0; -#endif /* DHD_USE_IDLECOUNT */ - } - return ret; - } - - switch (target) { - case CLK_AVAIL: - /* Make sure SD clock is available */ - if (bus->clkstate == CLK_NONE) - dhdsdio_sdclk(bus, TRUE); - /* Now request HT Avail on the backplane */ - ret = dhdsdio_htclk(bus, TRUE, pendok); - if (ret == BCME_OK) { - dhd_os_wd_timer(bus->dhd, dhd_watchdog_ms); - bus->activity = TRUE; -#ifdef DHD_USE_IDLECOUNT - bus->idlecount = 0; -#endif /* DHD_USE_IDLECOUNT */ - } - break; - - case CLK_SDONLY: - /* Remove HT request, or bring up SD clock */ - if (bus->clkstate == CLK_NONE) - ret = dhdsdio_sdclk(bus, TRUE); - else if (bus->clkstate == CLK_AVAIL) - ret = dhdsdio_htclk(bus, FALSE, FALSE); - else - DHD_ERROR(("dhdsdio_clkctl: request for %d -> %d\n", - bus->clkstate, target)); - if (ret == BCME_OK) { - dhd_os_wd_timer(bus->dhd, dhd_watchdog_ms); - } - break; - - case CLK_NONE: - /* Make sure to remove HT request */ - if (bus->clkstate == CLK_AVAIL) - ret = dhdsdio_htclk(bus, FALSE, FALSE); - /* Now remove the SD clock */ - ret = dhdsdio_sdclk(bus, FALSE); -#ifdef DHD_DEBUG - if (dhd_console_ms == 0) -#endif /* DHD_DEBUG */ - if (bus->poll == 0) - dhd_os_wd_timer(bus->dhd, 0); - break; - } -#ifdef DHD_DEBUG - DHD_INFO(("dhdsdio_clkctl: %d -> %d\n", oldstate, bus->clkstate)); -#endif /* DHD_DEBUG */ - - return ret; -} - -static int -dhdsdio_bussleep(dhd_bus_t *bus, bool sleep) -{ - int err = 0; - bcmsdh_info_t *sdh = bus->sdh; - sdpcmd_regs_t *regs = bus->regs; - uint retries = 0; - - DHD_INFO(("dhdsdio_bussleep: request %s (currently %s)\n", - (sleep ? "SLEEP" : "WAKE"), - (bus->sleeping ? "SLEEP" : "WAKE"))); - - /* Done if we're already in the requested state */ - if (sleep == bus->sleeping) - return BCME_OK; - - /* Going to sleep: set the alarm and turn off the lights... */ - if (sleep) { - /* Don't sleep if something is pending */ - if (bus->dpc_sched || bus->rxskip || pktq_len(&bus->txq)) - return BCME_BUSY; - - - if (!SLPAUTO_ENAB(bus)) { - /* Disable SDIO interrupts (no longer interested) */ - bcmsdh_intr_disable(bus->sdh); - - /* Make sure the controller has the bus up */ - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - - /* Tell device to start using OOB wakeup */ - W_SDREG(SMB_USE_OOB, ®s->tosbmailbox, retries); - if (retries > retry_limit) - DHD_ERROR(("CANNOT SIGNAL CHIP, WILL NOT WAKE UP!!\n")); - - /* Turn off our contribution to the HT clock request */ - dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); - - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, - SBSDIO_FORCE_HW_CLKREQ_OFF, NULL); - - /* Isolate the bus */ - if (bus->sih->chip != BCM4329_CHIP_ID && - bus->sih->chip != BCM4319_CHIP_ID) { - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, - SBSDIO_DEVCTL_PADS_ISO, NULL); - } - } else { - /* Leave interrupts enabled since device can exit sleep and - * interrupt host - */ - err = dhdsdio_clk_devsleep_iovar(bus, TRUE /* sleep */); - } - - /* Change state */ - bus->sleeping = TRUE; - - } else { - /* Waking up: bus power up is ok, set local state */ - - if (!SLPAUTO_ENAB(bus)) { - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, 0, &err); - - /* Force pad isolation off if possible (in case power never toggled) */ - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, 0, NULL); - - - /* Make sure the controller has the bus up */ - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - - /* Send misc interrupt to indicate OOB not needed */ - W_SDREG(0, ®s->tosbmailboxdata, retries); - if (retries <= retry_limit) - W_SDREG(SMB_DEV_INT, ®s->tosbmailbox, retries); - - if (retries > retry_limit) - DHD_ERROR(("CANNOT SIGNAL CHIP TO CLEAR OOB!!\n")); - - /* Make sure we have SD bus access */ - dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); - - /* Enable interrupts again */ - if (bus->intr && (bus->dhd->busstate == DHD_BUS_DATA)) { - bus->intdis = FALSE; - bcmsdh_intr_enable(bus->sdh); - } - } else { - err = dhdsdio_clk_devsleep_iovar(bus, FALSE /* wake */); - } - - if (err == 0) { - /* Change state */ - bus->sleeping = FALSE; - } - } - - return err; -} - -#if defined(OOB_INTR_ONLY) -void -dhd_enable_oob_intr(struct dhd_bus *bus, bool enable) -{ -#if defined(HW_OOB) - bcmsdh_enable_hw_oob_intr(bus->sdh, enable); -#else - sdpcmd_regs_t *regs = bus->regs; - uint retries = 0; - - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - if (enable == TRUE) { - - /* Tell device to start using OOB wakeup */ - W_SDREG(SMB_USE_OOB, ®s->tosbmailbox, retries); - if (retries > retry_limit) - DHD_ERROR(("CANNOT SIGNAL CHIP, WILL NOT WAKE UP!!\n")); - - } else { - /* Send misc interrupt to indicate OOB not needed */ - W_SDREG(0, ®s->tosbmailboxdata, retries); - if (retries <= retry_limit) - W_SDREG(SMB_DEV_INT, ®s->tosbmailbox, retries); - } - - /* Turn off our contribution to the HT clock request */ - dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); -#endif /* !defined(HW_OOB) */ -} -#endif /* defined(OOB_INTR_ONLY) */ - -/* Writes a HW/SW header into the packet and sends it. */ -/* Assumes: (a) header space already there, (b) caller holds lock */ -static int -dhdsdio_txpkt(dhd_bus_t *bus, void *pkt, uint chan, bool free_pkt, bool queue_only) -{ - int ret; - osl_t *osh; - uint8 *frame; - uint16 len, pad1 = 0; - uint32 swheader; - uint retries = 0; - bcmsdh_info_t *sdh; - void *new; - int i; - int pkt_cnt; -#ifdef BCMSDIOH_TXGLOM - uint8 *frame_tmp; -#endif -#ifdef WLMEDIA_HTSF - char *p; - htsfts_t *htsf_ts; -#endif - - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - sdh = bus->sdh; - osh = bus->dhd->osh; - - if (bus->dhd->dongle_reset) { - ret = BCME_NOTREADY; - goto done; - } - - frame = (uint8*)PKTDATA(osh, pkt); - -#ifdef WLMEDIA_HTSF - if (PKTLEN(osh, pkt) >= 100) { - p = PKTDATA(osh, pkt); - htsf_ts = (htsfts_t*) (p + HTSF_HOSTOFFSET + 12); - if (htsf_ts->magic == HTSFMAGIC) { - htsf_ts->c20 = get_cycles(); - htsf_ts->t20 = dhd_get_htsf(bus->dhd->info, 0); - } - } -#endif /* WLMEDIA_HTSF */ - - /* Add alignment padding, allocate new packet if needed */ - if (!((uintptr)frame & 1) && (pad1 = ((uintptr)frame % DHD_SDALIGN))) { - if (PKTHEADROOM(osh, pkt) < pad1) { - DHD_INFO(("%s: insufficient headroom %d for %d pad1\n", - __FUNCTION__, (int)PKTHEADROOM(osh, pkt), pad1)); - bus->dhd->tx_realloc++; - new = PKTGET(osh, (PKTLEN(osh, pkt) + DHD_SDALIGN), TRUE); - if (!new) { - DHD_ERROR(("%s: couldn't allocate new %d-byte packet\n", - __FUNCTION__, PKTLEN(osh, pkt) + DHD_SDALIGN)); - ret = BCME_NOMEM; - goto done; - } - - PKTALIGN(osh, new, PKTLEN(osh, pkt), DHD_SDALIGN); - bcopy(PKTDATA(osh, pkt), PKTDATA(osh, new), PKTLEN(osh, pkt)); - if (free_pkt) - PKTFREE(osh, pkt, TRUE); - /* free the pkt if canned one is not used */ - free_pkt = TRUE; - pkt = new; - frame = (uint8*)PKTDATA(osh, pkt); - ASSERT(((uintptr)frame % DHD_SDALIGN) == 0); - pad1 = 0; - } else { - PKTPUSH(osh, pkt, pad1); - frame = (uint8*)PKTDATA(osh, pkt); - - ASSERT((pad1 + SDPCM_HDRLEN) <= (int) PKTLEN(osh, pkt)); - bzero(frame, pad1 + SDPCM_HDRLEN); - } - } - ASSERT(pad1 < DHD_SDALIGN); - - /* Hardware tag: 2 byte len followed by 2 byte ~len check (all LE) */ - len = (uint16)PKTLEN(osh, pkt); - *(uint16*)frame = htol16(len); - *(((uint16*)frame) + 1) = htol16(~len); - -#ifdef BCMSDIOH_TXGLOM - if (bus->glom_enable) { - uint32 hwheader1 = 0, hwheader2 = 0, act_len = len; - - /* Software tag: channel, sequence number, data offset */ - swheader = ((chan << SDPCM_CHANNEL_SHIFT) & SDPCM_CHANNEL_MASK) | - ((bus->tx_seq + bus->glom_cnt) % SDPCM_SEQUENCE_WRAP) | - (((pad1 + SDPCM_HDRLEN) << SDPCM_DOFFSET_SHIFT) & SDPCM_DOFFSET_MASK); - htol32_ua_store(swheader, frame + SDPCM_FRAMETAG_LEN + SDPCM_HWEXT_LEN); - htol32_ua_store(0, frame + SDPCM_FRAMETAG_LEN + SDPCM_HWEXT_LEN + sizeof(swheader)); - - if (queue_only) { - if (forcealign && (len & (ALIGNMENT - 1))) - len = ROUNDUP(len, ALIGNMENT); - /* Hardware extention tag */ - /* 2byte frame length, 1byte-, 1byte frame flag, - * 2byte-hdrlength, 2byte padlenght - */ - hwheader1 = (act_len - SDPCM_FRAMETAG_LEN) | (0 << 24); - hwheader2 = (len - act_len) << 16; - htol32_ua_store(hwheader1, frame + SDPCM_FRAMETAG_LEN); - htol32_ua_store(hwheader2, frame + SDPCM_FRAMETAG_LEN + 4); - /* Post the frame pointer to sdio glom array */ - dhd_bcmsdh_glom_post(bus, frame, len); - /* Save the pkt pointer in bus glom array */ - bus->glom_pkt_arr[bus->glom_cnt] = pkt; - bus->glom_total_len += len; - bus->glom_cnt++; - return BCME_OK; - } else { - /* Raise len to next SDIO block to eliminate tail command */ - if (bus->roundup && bus->blocksize && - ((bus->glom_total_len + len) > bus->blocksize)) { - uint16 pad2 = bus->blocksize - - ((bus->glom_total_len + len) % bus->blocksize); - if ((pad2 <= bus->roundup) && (pad2 < bus->blocksize)) { - len += pad2; - } else { - } - } else if ((bus->glom_total_len + len) % DHD_SDALIGN) { - len += DHD_SDALIGN - - ((bus->glom_total_len + len) % DHD_SDALIGN); - } - if (forcealign && (len & (ALIGNMENT - 1))) { - len = ROUNDUP(len, ALIGNMENT); - } - - /* Hardware extention tag */ - /* 2byte frame length, 1byte-, 1byte frame flag, - * 2byte-hdrlength, 2byte padlenght - */ - hwheader1 = (act_len - SDPCM_FRAMETAG_LEN) | (1 << 24); - hwheader2 = (len - act_len) << 16; - htol32_ua_store(hwheader1, frame + SDPCM_FRAMETAG_LEN); - htol32_ua_store(hwheader2, frame + SDPCM_FRAMETAG_LEN + 4); - - /* Post the frame pointer to sdio glom array */ - dhd_bcmsdh_glom_post(bus, frame, len); - /* Save the pkt pointer in bus glom array */ - bus->glom_pkt_arr[bus->glom_cnt] = pkt; - bus->glom_cnt++; - bus->glom_total_len += len; - - /* Update the total length on the first pkt */ - frame_tmp = (uint8*)PKTDATA(osh, bus->glom_pkt_arr[0]); - *(uint16*)frame_tmp = htol16(bus->glom_total_len); - *(((uint16*)frame_tmp) + 1) = htol16(~bus->glom_total_len); - } - } else -#endif /* BCMSDIOH_TXGLOM */ - { - /* Software tag: channel, sequence number, data offset */ - swheader = ((chan << SDPCM_CHANNEL_SHIFT) & SDPCM_CHANNEL_MASK) | bus->tx_seq | - (((pad1 + SDPCM_HDRLEN) << SDPCM_DOFFSET_SHIFT) & SDPCM_DOFFSET_MASK); - htol32_ua_store(swheader, frame + SDPCM_FRAMETAG_LEN); - htol32_ua_store(0, frame + SDPCM_FRAMETAG_LEN + sizeof(swheader)); - -#ifdef DHD_DEBUG - if (PKTPRIO(pkt) < ARRAYSIZE(tx_packets)) { - tx_packets[PKTPRIO(pkt)]++; - } - if (DHD_BYTES_ON() && - (((DHD_CTL_ON() && (chan == SDPCM_CONTROL_CHANNEL)) || - (DHD_DATA_ON() && (chan != SDPCM_CONTROL_CHANNEL))))) { - prhex("Tx Frame", frame, len); - } else if (DHD_HDRS_ON()) { - prhex("TxHdr", frame, MIN(len, 16)); - } -#endif - - /* Raise len to next SDIO block to eliminate tail command */ - if (bus->roundup && bus->blocksize && (len > bus->blocksize)) { - uint16 pad2 = bus->blocksize - (len % bus->blocksize); - if ((pad2 <= bus->roundup) && (pad2 < bus->blocksize)) -#ifdef NOTUSED - if (pad2 <= PKTTAILROOM(osh, pkt)) -#endif /* NOTUSED */ - len += pad2; - } else if (len % DHD_SDALIGN) { - len += DHD_SDALIGN - (len % DHD_SDALIGN); - } - - /* Some controllers have trouble with odd bytes -- round to even */ - if (forcealign && (len & (ALIGNMENT - 1))) { -#ifdef NOTUSED - if (PKTTAILROOM(osh, pkt)) -#endif - len = ROUNDUP(len, ALIGNMENT); -#ifdef NOTUSED - else - DHD_ERROR(("%s: sending unrounded %d-byte packet\n", __FUNCTION__, len)); -#endif - } - } - - do { - ret = dhd_bcmsdh_send_buf(bus, bcmsdh_cur_sbwad(sdh), SDIO_FUNC_2, F2SYNC, - frame, len, pkt, NULL, NULL); - bus->f2txdata++; - ASSERT(ret != BCME_PENDING); - - if (ret == BCME_NODEVICE) { - DHD_ERROR(("%s: Device asleep already\n", __FUNCTION__)); - } else if (ret < 0) { - /* On failure, abort the command and terminate the frame */ - DHD_ERROR(("%s: sdio error %d, abort command and terminate frame.\n", - __FUNCTION__, ret)); - bus->tx_sderrs++; - - bcmsdh_abort(sdh, SDIO_FUNC_2); - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_FRAMECTRL, - SFC_WF_TERM, NULL); - bus->f1regdata++; - - for (i = 0; i < 3; i++) { - uint8 hi, lo; - hi = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_WFRAMEBCHI, NULL); - lo = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_WFRAMEBCLO, NULL); - bus->f1regdata += 2; - if ((hi == 0) && (lo == 0)) - break; - } - } - if (ret == 0) { -#ifdef BCMSDIOH_TXGLOM - if (bus->glom_enable) { - bus->tx_seq = (bus->tx_seq + bus->glom_cnt) % SDPCM_SEQUENCE_WRAP; - } else -#endif - { - bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP; - } - } - } while ((ret < 0) && retrydata && retries++ < TXRETRIES); - -done: - -#ifdef BCMSDIOH_TXGLOM - if (bus->glom_enable) { - dhd_bcmsdh_glom_clear(bus); - pkt_cnt = bus->glom_cnt; - } else -#endif - { - pkt_cnt = 1; - } - /* restore pkt buffer pointer before calling tx complete routine */ - while (pkt_cnt) { -#ifdef BCMSDIOH_TXGLOM - uint32 doff; - if (bus->glom_enable) { - pkt = bus->glom_pkt_arr[bus->glom_cnt - pkt_cnt]; - frame = (uint8*)PKTDATA(osh, pkt); - doff = ltoh32_ua(frame + SDPCM_FRAMETAG_LEN + SDPCM_HWEXT_LEN); - doff = (doff & SDPCM_DOFFSET_MASK) >> SDPCM_DOFFSET_SHIFT; - PKTPULL(osh, pkt, doff); - } else -#endif - { - PKTPULL(osh, pkt, SDPCM_HDRLEN + pad1); - } -#ifdef PROP_TXSTATUS - if (bus->dhd->wlfc_state) { - dhd_os_sdunlock(bus->dhd); - dhd_wlfc_txcomplete(bus->dhd, pkt, ret == 0); - dhd_os_sdlock(bus->dhd); - } else { -#endif /* PROP_TXSTATUS */ - dhd_txcomplete(bus->dhd, pkt, ret != 0); - if (free_pkt) - PKTFREE(osh, pkt, TRUE); - -#ifdef PROP_TXSTATUS - } -#endif - pkt_cnt--; - } - -#ifdef BCMSDIOH_TXGLOM - /* Reset the glom array */ - if (bus->glom_enable) { - bus->glom_cnt = 0; - bus->glom_total_len = 0; - } -#endif - return ret; -} - -int -dhd_bus_txdata(struct dhd_bus *bus, void *pkt) -{ - int ret = BCME_ERROR; - osl_t *osh; - uint datalen, prec; -#ifdef DHD_TX_DUMP - uint8 *dump_data; - uint16 protocol; -#ifdef DHD_TX_FULL_DUMP - int i; -#endif /* DHD_TX_FULL_DUMP */ -#endif /* DHD_TX_DUMP */ - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - osh = bus->dhd->osh; - datalen = PKTLEN(osh, pkt); - -#ifdef SDTEST - /* Push the test header if doing loopback */ - if (bus->ext_loop) { - uint8* data; - PKTPUSH(osh, pkt, SDPCM_TEST_HDRLEN); - data = PKTDATA(osh, pkt); - *data++ = SDPCM_TEST_ECHOREQ; - *data++ = (uint8)bus->loopid++; - *data++ = (datalen >> 0); - *data++ = (datalen >> 8); - datalen += SDPCM_TEST_HDRLEN; - } -#endif /* SDTEST */ - -#ifdef DHD_TX_DUMP - dump_data = PKTDATA(osh, pkt); - dump_data += 4; /* skip 4 bytes header */ - protocol = (dump_data[12] << 8) | dump_data[13]; -#ifdef DHD_TX_FULL_DUMP - DHD_ERROR(("TX DUMP\n")); - - for (i = 0; i < (datalen - 4); i++) { - DHD_ERROR(("%02X ", dump_data[i])); - if ((i & 15) == 15) - printk("\n"); - } - DHD_ERROR(("\n")); - -#endif /* DHD_TX_FULL_DUMP */ - if (protocol == ETHER_TYPE_802_1X) { - DHD_ERROR(("ETHER_TYPE_802_1X: ver %d, type %d, replay %d\n", - dump_data[14], dump_data[15], dump_data[30])); - } -#endif /* DHD_TX_DUMP */ - - /* Add space for the header */ - PKTPUSH(osh, pkt, SDPCM_HDRLEN); - ASSERT(ISALIGNED((uintptr)PKTDATA(osh, pkt), 2)); - - prec = PRIO2PREC((PKTPRIO(pkt) & PRIOMASK)); -#ifndef DHDTHREAD - /* Lock: we're about to use shared data/code (and SDIO) */ - dhd_os_sdlock(bus->dhd); -#endif /* DHDTHREAD */ - - /* Check for existing queue, current flow-control, pending event, or pending clock */ - if (dhd_deferred_tx || bus->fcstate || pktq_len(&bus->txq) || bus->dpc_sched || - (!DATAOK(bus)) || (bus->flowcontrol & NBITVAL(prec)) || - (bus->clkstate != CLK_AVAIL)) { - DHD_TRACE(("%s: deferring pktq len %d\n", __FUNCTION__, - pktq_len(&bus->txq))); - bus->fcqueued++; - - /* Priority based enq */ - dhd_os_sdlock_txq(bus->dhd); - if (dhd_prec_enq(bus->dhd, &bus->txq, pkt, prec) == FALSE) { - PKTPULL(osh, pkt, SDPCM_HDRLEN); -#ifndef DHDTHREAD - /* Need to also release txqlock before releasing sdlock. - * This thread still has txqlock and releases sdlock. - * Deadlock happens when dpc() grabs sdlock first then - * attempts to grab txqlock. - */ - dhd_os_sdunlock_txq(bus->dhd); - dhd_os_sdunlock(bus->dhd); -#endif -#ifdef PROP_TXSTATUS - if (bus->dhd->wlfc_state) - dhd_wlfc_txcomplete(bus->dhd, pkt, FALSE); - else -#endif - dhd_txcomplete(bus->dhd, pkt, FALSE); -#ifndef DHDTHREAD - dhd_os_sdlock(bus->dhd); - dhd_os_sdlock_txq(bus->dhd); -#endif -#ifdef PROP_TXSTATUS - /* let the caller decide whether to free the packet */ - if (!bus->dhd->wlfc_state) -#endif - PKTFREE(osh, pkt, TRUE); - ret = BCME_NORESOURCE; - } - else - ret = BCME_OK; - dhd_os_sdunlock_txq(bus->dhd); - - if ((pktq_len(&bus->txq) >= FCHI) && dhd_doflow) - dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, ON); - -#ifdef DHD_DEBUG - if (pktq_plen(&bus->txq, prec) > qcount[prec]) - qcount[prec] = pktq_plen(&bus->txq, prec); -#endif - /* Schedule DPC if needed to send queued packet(s) */ - if (dhd_deferred_tx && !bus->dpc_sched) { - bus->dpc_sched = TRUE; - dhd_sched_dpc(bus->dhd); - } - } else { -#ifdef DHDTHREAD - /* Lock: we're about to use shared data/code (and SDIO) */ - dhd_os_sdlock(bus->dhd); -#endif /* DHDTHREAD */ - - /* Otherwise, send it now */ - BUS_WAKE(bus); - /* Make sure back plane ht clk is on, no pending allowed */ - dhdsdio_clkctl(bus, CLK_AVAIL, TRUE); -#ifndef SDTEST - ret = dhdsdio_txpkt(bus, pkt, SDPCM_DATA_CHANNEL, TRUE, FALSE); -#else - ret = dhdsdio_txpkt(bus, pkt, - (bus->ext_loop ? SDPCM_TEST_CHANNEL : SDPCM_DATA_CHANNEL), TRUE, FALSE); -#endif - if (ret) - bus->dhd->tx_errors++; - else - bus->dhd->dstats.tx_bytes += datalen; - - if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched) { - bus->activity = FALSE; - dhdsdio_clkctl(bus, CLK_NONE, TRUE); - } - -#ifdef DHDTHREAD - dhd_os_sdunlock(bus->dhd); -#endif /* DHDTHREAD */ - } - -#ifndef DHDTHREAD - dhd_os_sdunlock(bus->dhd); -#endif /* DHDTHREAD */ - - return ret; -} - -static uint -dhdsdio_sendfromq(dhd_bus_t *bus, uint maxframes) -{ - void *pkt; - uint32 intstatus = 0; - uint retries = 0; - int ret = 0, prec_out; - uint cnt = 0; - uint datalen; - uint8 tx_prec_map; -#ifdef BCMSDIOH_TXGLOM - uint i; - uint8 glom_cnt; -#endif - - dhd_pub_t *dhd = bus->dhd; - sdpcmd_regs_t *regs = bus->regs; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - if (!KSO_ENAB(bus)) { - DHD_ERROR(("%s: Device asleep\n", __FUNCTION__)); - return BCME_NODEVICE; - } - - tx_prec_map = ~bus->flowcontrol; - - /* Send frames until the limit or some other event */ - for (cnt = 0; (cnt < maxframes) && DATAOK(bus); cnt++) { -#ifdef BCMSDIOH_TXGLOM - if (bus->glom_enable) { - glom_cnt = MIN(DATABUFCNT(bus), bus->glomsize); - glom_cnt = MIN(glom_cnt, pktq_mlen(&bus->txq, tx_prec_map)); - glom_cnt = MIN(glom_cnt, maxframes-cnt); - - /* Limiting the size to 2pkts in case of copy */ - if (bus->glom_mode == SDPCM_TXGLOM_CPY) - glom_cnt = MIN(glom_cnt, 5); - - if (glom_cnt == 0) - break; - datalen = 0; - for (i = 0; i < glom_cnt; i++) { - dhd_os_sdlock_txq(bus->dhd); - if ((pkt = pktq_mdeq(&bus->txq, tx_prec_map, &prec_out)) == NULL) { - /* This case should not happen */ - DHD_ERROR(("No pkts in the queue for glomming\n")); - dhd_os_sdunlock_txq(bus->dhd); - break; - } - dhd_os_sdunlock_txq(bus->dhd); - - datalen += (PKTLEN(bus->dhd->osh, pkt) - SDPCM_HDRLEN); -#ifndef SDTEST - ret = dhdsdio_txpkt(bus, - pkt, - SDPCM_DATA_CHANNEL, - TRUE, - (i == (glom_cnt-1))? FALSE: TRUE); -#else - ret = dhdsdio_txpkt(bus, - pkt, - (bus->ext_loop ? SDPCM_TEST_CHANNEL : SDPCM_DATA_CHANNEL), - TRUE, - (i == (glom_cnt-1))? FALSE: TRUE); -#endif - } - cnt += i-1; - } else -#endif /* BCMSDIOH_TXGLOM */ - { - dhd_os_sdlock_txq(bus->dhd); - if ((pkt = pktq_mdeq(&bus->txq, tx_prec_map, &prec_out)) == NULL) { - dhd_os_sdunlock_txq(bus->dhd); - break; - } - dhd_os_sdunlock_txq(bus->dhd); - datalen = PKTLEN(bus->dhd->osh, pkt) - SDPCM_HDRLEN; - -#ifndef SDTEST - ret = dhdsdio_txpkt(bus, pkt, SDPCM_DATA_CHANNEL, TRUE, FALSE); -#else - ret = dhdsdio_txpkt(bus, - pkt, - (bus->ext_loop ? SDPCM_TEST_CHANNEL : SDPCM_DATA_CHANNEL), - TRUE, - FALSE); -#endif - } - - if (ret) - bus->dhd->tx_errors++; - else - bus->dhd->dstats.tx_bytes += datalen; - - /* In poll mode, need to check for other events */ - if (!bus->intr && cnt) - { - /* Check device status, signal pending interrupt */ - R_SDREG(intstatus, ®s->intstatus, retries); - bus->f2txdata++; - if (bcmsdh_regfail(bus->sdh)) - break; - if (intstatus & bus->hostintmask) - bus->ipend = TRUE; - } - } - - /* Deflow-control stack if needed */ - if (dhd_doflow && dhd->up && (dhd->busstate == DHD_BUS_DATA) && - dhd->txoff && (pktq_len(&bus->txq) < FCLOW)) - dhd_txflowcontrol(dhd, ALL_INTERFACES, OFF); - - return cnt; -} - -int -dhd_bus_txctl(struct dhd_bus *bus, uchar *msg, uint msglen) -{ - uint8 *frame; - uint16 len; - uint32 swheader; - uint retries = 0; - bcmsdh_info_t *sdh = bus->sdh; - uint8 doff = 0; - int ret = -1; - int i; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - if (bus->dhd->dongle_reset) - return -EIO; - - /* Back the pointer to make a room for bus header */ - frame = msg - SDPCM_HDRLEN; - len = (msglen += SDPCM_HDRLEN); - - /* Add alignment padding (optional for ctl frames) */ - if (dhd_alignctl) { - if ((doff = ((uintptr)frame % DHD_SDALIGN))) { - frame -= doff; - len += doff; - msglen += doff; - bzero(frame, doff + SDPCM_HDRLEN); - } - ASSERT(doff < DHD_SDALIGN); - } - doff += SDPCM_HDRLEN; - - /* Round send length to next SDIO block */ - if (bus->roundup && bus->blocksize && (len > bus->blocksize)) { - uint16 pad = bus->blocksize - (len % bus->blocksize); - if ((pad <= bus->roundup) && (pad < bus->blocksize)) - len += pad; - } else if (len % DHD_SDALIGN) { - len += DHD_SDALIGN - (len % DHD_SDALIGN); - } - - /* Satisfy length-alignment requirements */ - if (forcealign && (len & (ALIGNMENT - 1))) - len = ROUNDUP(len, ALIGNMENT); - - ASSERT(ISALIGNED((uintptr)frame, 2)); - - - /* Need to lock here to protect txseq and SDIO tx calls */ - dhd_os_sdlock(bus->dhd); - - BUS_WAKE(bus); - - /* Make sure backplane clock is on */ - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - - /* Hardware tag: 2 byte len followed by 2 byte ~len check (all LE) */ - *(uint16*)frame = htol16((uint16)msglen); - *(((uint16*)frame) + 1) = htol16(~msglen); - -#ifdef BCMSDIOH_TXGLOM - if (bus->glom_enable) { - uint32 hwheader1, hwheader2; - /* Software tag: channel, sequence number, data offset */ - swheader = ((SDPCM_CONTROL_CHANNEL << SDPCM_CHANNEL_SHIFT) & SDPCM_CHANNEL_MASK) - | bus->tx_seq - | ((doff << SDPCM_DOFFSET_SHIFT) & SDPCM_DOFFSET_MASK); - htol32_ua_store(swheader, frame + SDPCM_FRAMETAG_LEN + SDPCM_HWEXT_LEN); - htol32_ua_store(0, frame + SDPCM_FRAMETAG_LEN - + SDPCM_HWEXT_LEN + sizeof(swheader)); - - hwheader1 = (msglen - SDPCM_FRAMETAG_LEN) | (1 << 24); - hwheader2 = (len - (msglen)) << 16; - htol32_ua_store(hwheader1, frame + SDPCM_FRAMETAG_LEN); - htol32_ua_store(hwheader2, frame + SDPCM_FRAMETAG_LEN + 4); - - *(uint16*)frame = htol16(len); - *(((uint16*)frame) + 1) = htol16(~(len)); - } else -#endif /* BCMSDIOH_TXGLOM */ - { - /* Software tag: channel, sequence number, data offset */ - swheader = ((SDPCM_CONTROL_CHANNEL << SDPCM_CHANNEL_SHIFT) & SDPCM_CHANNEL_MASK) - | bus->tx_seq | ((doff << SDPCM_DOFFSET_SHIFT) & SDPCM_DOFFSET_MASK); - htol32_ua_store(swheader, frame + SDPCM_FRAMETAG_LEN); - htol32_ua_store(0, frame + SDPCM_FRAMETAG_LEN + sizeof(swheader)); - } - if (!TXCTLOK(bus)) { - DHD_INFO(("%s: No bus credit bus->tx_max %d, bus->tx_seq %d\n", - __FUNCTION__, bus->tx_max, bus->tx_seq)); - bus->ctrl_frame_stat = TRUE; - /* Send from dpc */ - bus->ctrl_frame_buf = frame; - bus->ctrl_frame_len = len; - - if (!bus->dpc_sched) { - bus->dpc_sched = TRUE; - dhd_sched_dpc(bus->dhd); - } - if (bus->ctrl_frame_stat) { - dhd_wait_for_event(bus->dhd, &bus->ctrl_frame_stat); - } - - if (bus->ctrl_frame_stat == FALSE) { - DHD_INFO(("%s: ctrl_frame_stat == FALSE\n", __FUNCTION__)); - ret = 0; - } else { - bus->dhd->txcnt_timeout++; - if (!bus->dhd->hang_was_sent) - DHD_ERROR(("%s: ctrl_frame_stat == TRUE txcnt_timeout=%d\n", - __FUNCTION__, bus->dhd->txcnt_timeout)); - ret = -1; - bus->ctrl_frame_stat = FALSE; - goto done; - } - } - - bus->dhd->txcnt_timeout = 0; - - if (ret == -1) { -#ifdef DHD_DEBUG - if (DHD_BYTES_ON() && DHD_CTL_ON()) { - prhex("Tx Frame", frame, len); - } else if (DHD_HDRS_ON()) { - prhex("TxHdr", frame, MIN(len, 16)); - } -#endif - - do { - ret = dhd_bcmsdh_send_buf(bus, bcmsdh_cur_sbwad(sdh), SDIO_FUNC_2, F2SYNC, - frame, len, NULL, NULL, NULL); - ASSERT(ret != BCME_PENDING); - - if (ret == BCME_NODEVICE) { - DHD_ERROR(("%s: Device asleep already\n", __FUNCTION__)); - } else if (ret < 0) { - /* On failure, abort the command and terminate the frame */ - DHD_INFO(("%s: sdio error %d, abort command and terminate frame.\n", - __FUNCTION__, ret)); - bus->tx_sderrs++; - - bcmsdh_abort(sdh, SDIO_FUNC_2); - - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_FRAMECTRL, - SFC_WF_TERM, NULL); - bus->f1regdata++; - - for (i = 0; i < 3; i++) { - uint8 hi, lo; - hi = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_WFRAMEBCHI, NULL); - lo = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_WFRAMEBCLO, NULL); - bus->f1regdata += 2; - if ((hi == 0) && (lo == 0)) - break; - } - } - if (ret == 0) { - bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP; - } - } while ((ret < 0) && retries++ < TXRETRIES); - } - -done: - if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched) { - bus->activity = FALSE; - dhdsdio_clkctl(bus, CLK_NONE, TRUE); - } - - dhd_os_sdunlock(bus->dhd); - - if (ret) - bus->dhd->tx_ctlerrs++; - else - bus->dhd->tx_ctlpkts++; - - if (bus->dhd->txcnt_timeout >= MAX_CNTL_TIMEOUT) - return -ETIMEDOUT; - - return ret ? -EIO : 0; -} - -int -dhd_bus_rxctl(struct dhd_bus *bus, uchar *msg, uint msglen) -{ - int timeleft; - uint rxlen = 0; - bool pending; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - if (bus->dhd->dongle_reset) - return -EIO; - - /* Wait until control frame is available */ - timeleft = dhd_os_ioctl_resp_wait(bus->dhd, &bus->rxlen, &pending); - - dhd_os_sdlock(bus->dhd); - rxlen = bus->rxlen; - bcopy(bus->rxctl, msg, MIN(msglen, rxlen)); - bus->rxlen = 0; - dhd_os_sdunlock(bus->dhd); - - if (rxlen) { - DHD_CTL(("%s: resumed on rxctl frame, got %d expected %d\n", - __FUNCTION__, rxlen, msglen)); - } else if (timeleft == 0) { -#ifdef DHD_DEBUG - uint32 status, retry = 0; - R_SDREG(status, &bus->regs->intstatus, retry); - DHD_ERROR(("%s: resumed on timeout, INT status=0x%08X\n", - __FUNCTION__, status)); -#else - DHD_ERROR(("%s: resumed on timeout\n", __FUNCTION__)); -#endif /* DHD_DEBUG */ -#ifdef DHD_DEBUG - dhd_os_sdlock(bus->dhd); - dhdsdio_checkdied(bus, NULL, 0); - dhd_os_sdunlock(bus->dhd); -#endif /* DHD_DEBUG */ - } else if (pending == TRUE) { - /* signal pending */ - DHD_ERROR(("%s: signal pending\n", __FUNCTION__)); - return -EINTR; - } else { - DHD_CTL(("%s: resumed for unknown reason?\n", __FUNCTION__)); -#ifdef DHD_DEBUG - dhd_os_sdlock(bus->dhd); - dhdsdio_checkdied(bus, NULL, 0); - dhd_os_sdunlock(bus->dhd); -#endif /* DHD_DEBUG */ - } - if (timeleft == 0) { - bus->dhd->rxcnt_timeout++; - DHD_ERROR(("%s: rxcnt_timeout=%d\n", __FUNCTION__, bus->dhd->rxcnt_timeout)); - } - else - bus->dhd->rxcnt_timeout = 0; - - if (rxlen) - bus->dhd->rx_ctlpkts++; - else - bus->dhd->rx_ctlerrs++; - - if (bus->dhd->rxcnt_timeout >= MAX_CNTL_TIMEOUT) - return -ETIMEDOUT; - - if (bus->dhd->dongle_trap_occured) - return -EREMOTEIO; - - return rxlen ? (int)rxlen : -EIO; -} - -/* IOVar table */ -enum { - IOV_INTR = 1, - IOV_POLLRATE, - IOV_SDREG, - IOV_SBREG, - IOV_SDCIS, - IOV_MEMBYTES, - IOV_MEMSIZE, -#ifdef DHD_DEBUG - IOV_CHECKDIED, - IOV_SERIALCONS, -#endif /* DHD_DEBUG */ - IOV_SET_DOWNLOAD_STATE, - IOV_SOCRAM_STATE, - IOV_FORCEEVEN, - IOV_SDIOD_DRIVE, - IOV_READAHEAD, - IOV_SDRXCHAIN, - IOV_ALIGNCTL, - IOV_SDALIGN, - IOV_DEVRESET, - IOV_CPU, -#if defined(SDIO_CRC_ERROR_FIX) - IOV_WATERMARK, - IOV_MESBUSYCTRL, -#endif /* SDIO_CRC_ERROR_FIX */ -#ifdef SDTEST - IOV_PKTGEN, - IOV_EXTLOOP, -#endif /* SDTEST */ - IOV_SPROM, - IOV_TXBOUND, - IOV_RXBOUND, - IOV_TXMINMAX, - IOV_IDLETIME, - IOV_IDLECLOCK, - IOV_SD1IDLE, - IOV_SLEEP, - IOV_DONGLEISOLATION, - IOV_KSO, - IOV_DEVSLEEP, - IOV_DEVCAP, - IOV_VARS, -#ifdef SOFTAP - IOV_FWPATH, -#endif - IOV_TXGLOMSIZE, - IOV_TXGLOMMODE -}; - -const bcm_iovar_t dhdsdio_iovars[] = { - {"intr", IOV_INTR, 0, IOVT_BOOL, 0 }, - {"sleep", IOV_SLEEP, 0, IOVT_BOOL, 0 }, - {"pollrate", IOV_POLLRATE, 0, IOVT_UINT32, 0 }, - {"idletime", IOV_IDLETIME, 0, IOVT_INT32, 0 }, - {"idleclock", IOV_IDLECLOCK, 0, IOVT_INT32, 0 }, - {"sd1idle", IOV_SD1IDLE, 0, IOVT_BOOL, 0 }, - {"membytes", IOV_MEMBYTES, 0, IOVT_BUFFER, 2 * sizeof(int) }, - {"memsize", IOV_MEMSIZE, 0, IOVT_UINT32, 0 }, - {"dwnldstate", IOV_SET_DOWNLOAD_STATE, 0, IOVT_BOOL, 0 }, - {"socram_state", IOV_SOCRAM_STATE, 0, IOVT_BOOL, 0 }, - {"vars", IOV_VARS, 0, IOVT_BUFFER, 0 }, - {"sdiod_drive", IOV_SDIOD_DRIVE, 0, IOVT_UINT32, 0 }, - {"readahead", IOV_READAHEAD, 0, IOVT_BOOL, 0 }, - {"sdrxchain", IOV_SDRXCHAIN, 0, IOVT_BOOL, 0 }, - {"alignctl", IOV_ALIGNCTL, 0, IOVT_BOOL, 0 }, - {"sdalign", IOV_SDALIGN, 0, IOVT_BOOL, 0 }, - {"devreset", IOV_DEVRESET, 0, IOVT_BOOL, 0 }, -#ifdef DHD_DEBUG - {"sdreg", IOV_SDREG, 0, IOVT_BUFFER, sizeof(sdreg_t) }, - {"sbreg", IOV_SBREG, 0, IOVT_BUFFER, sizeof(sdreg_t) }, - {"sd_cis", IOV_SDCIS, 0, IOVT_BUFFER, DHD_IOCTL_MAXLEN }, - {"forcealign", IOV_FORCEEVEN, 0, IOVT_BOOL, 0 }, - {"txbound", IOV_TXBOUND, 0, IOVT_UINT32, 0 }, - {"rxbound", IOV_RXBOUND, 0, IOVT_UINT32, 0 }, - {"txminmax", IOV_TXMINMAX, 0, IOVT_UINT32, 0 }, - {"cpu", IOV_CPU, 0, IOVT_BOOL, 0 }, -#ifdef DHD_DEBUG - {"checkdied", IOV_CHECKDIED, 0, IOVT_BUFFER, 0 }, - {"serial", IOV_SERIALCONS, 0, IOVT_UINT32, 0 }, -#endif /* DHD_DEBUG */ -#endif /* DHD_DEBUG */ -#ifdef SDTEST - {"extloop", IOV_EXTLOOP, 0, IOVT_BOOL, 0 }, - {"pktgen", IOV_PKTGEN, 0, IOVT_BUFFER, sizeof(dhd_pktgen_t) }, -#endif /* SDTEST */ -#if defined(SDIO_CRC_ERROR_FIX) - {"watermark", IOV_WATERMARK, 0, IOVT_UINT32, 0 }, - {"mesbusyctrl", IOV_MESBUSYCTRL, 0, IOVT_UINT32, 0 }, -#endif /* SDIO_CRC_ERROR_FIX */ - {"devcap", IOV_DEVCAP, 0, IOVT_UINT32, 0 }, - {"dngl_isolation", IOV_DONGLEISOLATION, 0, IOVT_UINT32, 0 }, - {"kso", IOV_KSO, 0, IOVT_UINT32, 0 }, - {"devsleep", IOV_DEVSLEEP, 0, IOVT_UINT32, 0 }, -#ifdef SOFTAP - {"fwpath", IOV_FWPATH, 0, IOVT_BUFFER, 0 }, -#endif - {"txglomsize", IOV_TXGLOMSIZE, 0, IOVT_UINT32, 0 }, - {"txglommode", IOV_TXGLOMMODE, 0, IOVT_UINT32, 0 }, - {NULL, 0, 0, 0, 0 } -}; - -static void -dhd_dump_pct(struct bcmstrbuf *strbuf, char *desc, uint num, uint div) -{ - uint q1, q2; - - if (!div) { - bcm_bprintf(strbuf, "%s N/A", desc); - } else { - q1 = num / div; - q2 = (100 * (num - (q1 * div))) / div; - bcm_bprintf(strbuf, "%s %d.%02d", desc, q1, q2); - } -} - -void -dhd_bus_dump(dhd_pub_t *dhdp, struct bcmstrbuf *strbuf) -{ - dhd_bus_t *bus = dhdp->bus; - - bcm_bprintf(strbuf, "Bus SDIO structure:\n"); - bcm_bprintf(strbuf, "hostintmask 0x%08x intstatus 0x%08x sdpcm_ver %d\n", - bus->hostintmask, bus->intstatus, bus->sdpcm_ver); - bcm_bprintf(strbuf, "fcstate %d qlen %d tx_seq %d, max %d, rxskip %d rxlen %d rx_seq %d\n", - bus->fcstate, pktq_len(&bus->txq), bus->tx_seq, bus->tx_max, bus->rxskip, - bus->rxlen, bus->rx_seq); - bcm_bprintf(strbuf, "intr %d intrcount %d lastintrs %d spurious %d\n", - bus->intr, bus->intrcount, bus->lastintrs, bus->spurious); - bcm_bprintf(strbuf, "pollrate %d pollcnt %d regfails %d\n", - bus->pollrate, bus->pollcnt, bus->regfails); - - bcm_bprintf(strbuf, "\nAdditional counters:\n"); - bcm_bprintf(strbuf, "tx_sderrs %d fcqueued %d rxrtx %d rx_toolong %d rxc_errors %d\n", - bus->tx_sderrs, bus->fcqueued, bus->rxrtx, bus->rx_toolong, - bus->rxc_errors); - bcm_bprintf(strbuf, "rx_hdrfail %d badhdr %d badseq %d\n", - bus->rx_hdrfail, bus->rx_badhdr, bus->rx_badseq); - bcm_bprintf(strbuf, "fc_rcvd %d, fc_xoff %d, fc_xon %d\n", - bus->fc_rcvd, bus->fc_xoff, bus->fc_xon); - bcm_bprintf(strbuf, "rxglomfail %d, rxglomframes %d, rxglompkts %d\n", - bus->rxglomfail, bus->rxglomframes, bus->rxglompkts); - bcm_bprintf(strbuf, "f2rx (hdrs/data) %d (%d/%d), f2tx %d f1regs %d\n", - (bus->f2rxhdrs + bus->f2rxdata), bus->f2rxhdrs, bus->f2rxdata, - bus->f2txdata, bus->f1regdata); - { - dhd_dump_pct(strbuf, "\nRx: pkts/f2rd", bus->dhd->rx_packets, - (bus->f2rxhdrs + bus->f2rxdata)); - dhd_dump_pct(strbuf, ", pkts/f1sd", bus->dhd->rx_packets, bus->f1regdata); - dhd_dump_pct(strbuf, ", pkts/sd", bus->dhd->rx_packets, - (bus->f2rxhdrs + bus->f2rxdata + bus->f1regdata)); - dhd_dump_pct(strbuf, ", pkts/int", bus->dhd->rx_packets, bus->intrcount); - bcm_bprintf(strbuf, "\n"); - - dhd_dump_pct(strbuf, "Rx: glom pct", (100 * bus->rxglompkts), - bus->dhd->rx_packets); - dhd_dump_pct(strbuf, ", pkts/glom", bus->rxglompkts, bus->rxglomframes); - bcm_bprintf(strbuf, "\n"); - - dhd_dump_pct(strbuf, "Tx: pkts/f2wr", bus->dhd->tx_packets, bus->f2txdata); - dhd_dump_pct(strbuf, ", pkts/f1sd", bus->dhd->tx_packets, bus->f1regdata); - dhd_dump_pct(strbuf, ", pkts/sd", bus->dhd->tx_packets, - (bus->f2txdata + bus->f1regdata)); - dhd_dump_pct(strbuf, ", pkts/int", bus->dhd->tx_packets, bus->intrcount); - bcm_bprintf(strbuf, "\n"); - - dhd_dump_pct(strbuf, "Total: pkts/f2rw", - (bus->dhd->tx_packets + bus->dhd->rx_packets), - (bus->f2txdata + bus->f2rxhdrs + bus->f2rxdata)); - dhd_dump_pct(strbuf, ", pkts/f1sd", - (bus->dhd->tx_packets + bus->dhd->rx_packets), bus->f1regdata); - dhd_dump_pct(strbuf, ", pkts/sd", - (bus->dhd->tx_packets + bus->dhd->rx_packets), - (bus->f2txdata + bus->f2rxhdrs + bus->f2rxdata + bus->f1regdata)); - dhd_dump_pct(strbuf, ", pkts/int", - (bus->dhd->tx_packets + bus->dhd->rx_packets), bus->intrcount); - bcm_bprintf(strbuf, "\n\n"); - } - -#ifdef SDTEST - if (bus->pktgen_count) { - bcm_bprintf(strbuf, "pktgen config and count:\n"); - bcm_bprintf(strbuf, "freq %d count %d print %d total %d min %d len %d\n", - bus->pktgen_freq, bus->pktgen_count, bus->pktgen_print, - bus->pktgen_total, bus->pktgen_minlen, bus->pktgen_maxlen); - bcm_bprintf(strbuf, "send attempts %d rcvd %d fail %d\n", - bus->pktgen_sent, bus->pktgen_rcvd, bus->pktgen_fail); - } -#endif /* SDTEST */ -#ifdef DHD_DEBUG - bcm_bprintf(strbuf, "dpc_sched %d host interrupt%spending\n", - bus->dpc_sched, (bcmsdh_intr_pending(bus->sdh) ? " " : " not ")); - bcm_bprintf(strbuf, "blocksize %d roundup %d\n", bus->blocksize, bus->roundup); -#endif /* DHD_DEBUG */ - bcm_bprintf(strbuf, "clkstate %d activity %d idletime %d idlecount %d sleeping %d\n", - bus->clkstate, bus->activity, bus->idletime, bus->idlecount, bus->sleeping); -} - -void -dhd_bus_clearcounts(dhd_pub_t *dhdp) -{ - dhd_bus_t *bus = (dhd_bus_t *)dhdp->bus; - - bus->intrcount = bus->lastintrs = bus->spurious = bus->regfails = 0; - bus->rxrtx = bus->rx_toolong = bus->rxc_errors = 0; - bus->rx_hdrfail = bus->rx_badhdr = bus->rx_badseq = 0; - bus->tx_sderrs = bus->fc_rcvd = bus->fc_xoff = bus->fc_xon = 0; - bus->rxglomfail = bus->rxglomframes = bus->rxglompkts = 0; - bus->f2rxhdrs = bus->f2rxdata = bus->f2txdata = bus->f1regdata = 0; -} - -#ifdef SDTEST -static int -dhdsdio_pktgen_get(dhd_bus_t *bus, uint8 *arg) -{ - dhd_pktgen_t pktgen; - - pktgen.version = DHD_PKTGEN_VERSION; - pktgen.freq = bus->pktgen_freq; - pktgen.count = bus->pktgen_count; - pktgen.print = bus->pktgen_print; - pktgen.total = bus->pktgen_total; - pktgen.minlen = bus->pktgen_minlen; - pktgen.maxlen = bus->pktgen_maxlen; - pktgen.numsent = bus->pktgen_sent; - pktgen.numrcvd = bus->pktgen_rcvd; - pktgen.numfail = bus->pktgen_fail; - pktgen.mode = bus->pktgen_mode; - pktgen.stop = bus->pktgen_stop; - - bcopy(&pktgen, arg, sizeof(pktgen)); - - return 0; -} - -static int -dhdsdio_pktgen_set(dhd_bus_t *bus, uint8 *arg) -{ - dhd_pktgen_t pktgen; - uint oldcnt, oldmode; - - bcopy(arg, &pktgen, sizeof(pktgen)); - if (pktgen.version != DHD_PKTGEN_VERSION) - return BCME_BADARG; - - oldcnt = bus->pktgen_count; - oldmode = bus->pktgen_mode; - - bus->pktgen_freq = pktgen.freq; - bus->pktgen_count = pktgen.count; - bus->pktgen_print = pktgen.print; - bus->pktgen_total = pktgen.total; - bus->pktgen_minlen = pktgen.minlen; - bus->pktgen_maxlen = pktgen.maxlen; - bus->pktgen_mode = pktgen.mode; - bus->pktgen_stop = pktgen.stop; - - bus->pktgen_tick = bus->pktgen_ptick = 0; - bus->pktgen_len = MAX(bus->pktgen_len, bus->pktgen_minlen); - bus->pktgen_len = MIN(bus->pktgen_len, bus->pktgen_maxlen); - - /* Clear counts for a new pktgen (mode change, or was stopped) */ - if (bus->pktgen_count && (!oldcnt || oldmode != bus->pktgen_mode)) - bus->pktgen_sent = bus->pktgen_rcvd = bus->pktgen_fail = 0; - - return 0; -} -#endif /* SDTEST */ - -static void -dhdsdio_devram_remap(dhd_bus_t *bus, bool val) -{ - uint8 enable, protect, remap; - - si_socdevram(bus->sih, FALSE, &enable, &protect, &remap); - remap = val ? TRUE : FALSE; - si_socdevram(bus->sih, TRUE, &enable, &protect, &remap); -} - -static int -dhdsdio_membytes(dhd_bus_t *bus, bool write, uint32 address, uint8 *data, uint size) -{ - int bcmerror = 0; - uint32 sdaddr; - uint dsize; - - /* In remap mode, adjust address beyond socram and redirect - * to devram at SOCDEVRAM_BP_ADDR since remap address > orig_ramsize - * is not backplane accessible - */ - if (REMAP_ENAB(bus) && REMAP_ISADDR(bus, address)) { - address -= bus->orig_ramsize; - address += SOCDEVRAM_BP_ADDR; - } - - /* Determine initial transfer parameters */ - sdaddr = address & SBSDIO_SB_OFT_ADDR_MASK; - if ((sdaddr + size) & SBSDIO_SBWINDOW_MASK) - dsize = (SBSDIO_SB_OFT_ADDR_LIMIT - sdaddr); - else - dsize = size; - - /* Set the backplane window to include the start address */ - if ((bcmerror = dhdsdio_set_siaddr_window(bus, address))) { - DHD_ERROR(("%s: window change failed\n", __FUNCTION__)); - goto xfer_done; - } - - /* Do the transfer(s) */ - while (size) { - DHD_INFO(("%s: %s %d bytes at offset 0x%08x in window 0x%08x\n", - __FUNCTION__, (write ? "write" : "read"), dsize, sdaddr, - (address & SBSDIO_SBWINDOW_MASK))); - if ((bcmerror = bcmsdh_rwdata(bus->sdh, write, sdaddr, data, dsize))) { - DHD_ERROR(("%s: membytes transfer failed\n", __FUNCTION__)); - break; - } - - /* Adjust for next transfer (if any) */ - if ((size -= dsize)) { - data += dsize; - address += dsize; - if ((bcmerror = dhdsdio_set_siaddr_window(bus, address))) { - DHD_ERROR(("%s: window change failed\n", __FUNCTION__)); - break; - } - sdaddr = 0; - dsize = MIN(SBSDIO_SB_OFT_ADDR_LIMIT, size); - } - - } - -xfer_done: - /* Return the window to backplane enumeration space for core access */ - if (dhdsdio_set_siaddr_window(bus, bcmsdh_cur_sbwad(bus->sdh))) { - DHD_ERROR(("%s: FAILED to set window back to 0x%x\n", __FUNCTION__, - bcmsdh_cur_sbwad(bus->sdh))); - } - - return bcmerror; -} - -#ifdef DHD_DEBUG -static int -dhdsdio_readshared(dhd_bus_t *bus, sdpcm_shared_t *sh) -{ - uint32 addr; - int rv, i; - uint32 shaddr = 0; - - shaddr = bus->dongle_ram_base + bus->ramsize - 4; - i = 0; - do { - /* Read last word in memory to determine address of sdpcm_shared structure */ - if ((rv = dhdsdio_membytes(bus, FALSE, shaddr, (uint8 *)&addr, 4)) < 0) - return rv; - - addr = ltoh32(addr); - - DHD_INFO(("sdpcm_shared address 0x%08X\n", addr)); - - /* - * Check if addr is valid. - * NVRAM length at the end of memory should have been overwritten. - */ - if (addr == 0 || ((~addr >> 16) & 0xffff) == (addr & 0xffff)) { - if ((bus->srmemsize > 0) && (i++ == 0)) { - shaddr -= bus->srmemsize; - } else { - DHD_ERROR(("%s: address (0x%08x) of sdpcm_shared invalid\n", - __FUNCTION__, addr)); - return BCME_ERROR; - } - } else - break; - } while (i < 2); - - /* Read hndrte_shared structure */ - if ((rv = dhdsdio_membytes(bus, FALSE, addr, (uint8 *)sh, sizeof(sdpcm_shared_t))) < 0) - return rv; - - /* Endianness */ - sh->flags = ltoh32(sh->flags); - sh->trap_addr = ltoh32(sh->trap_addr); - sh->assert_exp_addr = ltoh32(sh->assert_exp_addr); - sh->assert_file_addr = ltoh32(sh->assert_file_addr); - sh->assert_line = ltoh32(sh->assert_line); - sh->console_addr = ltoh32(sh->console_addr); - sh->msgtrace_addr = ltoh32(sh->msgtrace_addr); - - if ((sh->flags & SDPCM_SHARED_VERSION_MASK) == 3 && SDPCM_SHARED_VERSION == 1) - return BCME_OK; - - if ((sh->flags & SDPCM_SHARED_VERSION_MASK) != SDPCM_SHARED_VERSION) { - DHD_ERROR(("%s: sdpcm_shared version %d in dhd " - "is different than sdpcm_shared version %d in dongle\n", - __FUNCTION__, SDPCM_SHARED_VERSION, - sh->flags & SDPCM_SHARED_VERSION_MASK)); - return BCME_ERROR; - } - - return BCME_OK; -} - -#define CONSOLE_LINE_MAX 192 - -static int -dhdsdio_readconsole(dhd_bus_t *bus) -{ - dhd_console_t *c = &bus->console; - uint8 line[CONSOLE_LINE_MAX], ch; - uint32 n, idx, addr; - int rv; - - /* Don't do anything until FWREADY updates console address */ - if (bus->console_addr == 0) - return 0; - - if (!KSO_ENAB(bus)) - return 0; - - /* Read console log struct */ - addr = bus->console_addr + OFFSETOF(hndrte_cons_t, log); - if ((rv = dhdsdio_membytes(bus, FALSE, addr, (uint8 *)&c->log, sizeof(c->log))) < 0) - return rv; - - /* Allocate console buffer (one time only) */ - if (c->buf == NULL) { - c->bufsize = ltoh32(c->log.buf_size); - if ((c->buf = MALLOC(bus->dhd->osh, c->bufsize)) == NULL) - return BCME_NOMEM; - } - - idx = ltoh32(c->log.idx); - - /* Protect against corrupt value */ - if (idx > c->bufsize) - return BCME_ERROR; - - /* Skip reading the console buffer if the index pointer has not moved */ - if (idx == c->last) - return BCME_OK; - - /* Read the console buffer */ - addr = ltoh32(c->log.buf); - if ((rv = dhdsdio_membytes(bus, FALSE, addr, c->buf, c->bufsize)) < 0) - return rv; - - while (c->last != idx) { - for (n = 0; n < CONSOLE_LINE_MAX - 2; n++) { - if (c->last == idx) { - /* This would output a partial line. Instead, back up - * the buffer pointer and output this line next time around. - */ - if (c->last >= n) - c->last -= n; - else - c->last = c->bufsize - n; - goto break2; - } - ch = c->buf[c->last]; - c->last = (c->last + 1) % c->bufsize; - if (ch == '\n') - break; - line[n] = ch; - } - - if (n > 0) { - if (line[n - 1] == '\r') - n--; - line[n] = 0; - printf("CONSOLE: %s\n", line); - } - } -break2: - - return BCME_OK; -} - -static int -dhdsdio_checkdied(dhd_bus_t *bus, char *data, uint size) -{ - int bcmerror = 0; - uint msize = 512; - char *mbuffer = NULL; - char *console_buffer = NULL; - uint maxstrlen = 256; - char *str = NULL; - trap_t tr; - sdpcm_shared_t sdpcm_shared; - struct bcmstrbuf strbuf; - uint32 console_ptr, console_size, console_index; - uint8 line[CONSOLE_LINE_MAX], ch; - uint32 n, i, addr; - int rv; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - if (data == NULL) { - /* - * Called after a rx ctrl timeout. "data" is NULL. - * allocate memory to trace the trap or assert. - */ - size = msize; - mbuffer = data = MALLOC(bus->dhd->osh, msize); - if (mbuffer == NULL) { - DHD_ERROR(("%s: MALLOC(%d) failed \n", __FUNCTION__, msize)); - bcmerror = BCME_NOMEM; - goto done; - } - } - - if ((str = MALLOC(bus->dhd->osh, maxstrlen)) == NULL) { - DHD_ERROR(("%s: MALLOC(%d) failed \n", __FUNCTION__, maxstrlen)); - bcmerror = BCME_NOMEM; - goto done; - } - - if ((bcmerror = dhdsdio_readshared(bus, &sdpcm_shared)) < 0) - goto done; - - bcm_binit(&strbuf, data, size); - - bcm_bprintf(&strbuf, "msgtrace address : 0x%08X\nconsole address : 0x%08X\n", - sdpcm_shared.msgtrace_addr, sdpcm_shared.console_addr); - - if ((sdpcm_shared.flags & SDPCM_SHARED_ASSERT_BUILT) == 0) { - /* NOTE: Misspelled assert is intentional - DO NOT FIX. - * (Avoids conflict with real asserts for programmatic parsing of output.) - */ - bcm_bprintf(&strbuf, "Assrt not built in dongle\n"); - } - - if ((sdpcm_shared.flags & (SDPCM_SHARED_ASSERT|SDPCM_SHARED_TRAP)) == 0) { - /* NOTE: Misspelled assert is intentional - DO NOT FIX. - * (Avoids conflict with real asserts for programmatic parsing of output.) - */ - bcm_bprintf(&strbuf, "No trap%s in dongle", - (sdpcm_shared.flags & SDPCM_SHARED_ASSERT_BUILT) - ?"/assrt" :""); - } else { - if (sdpcm_shared.flags & SDPCM_SHARED_ASSERT) { - /* Download assert */ - bcm_bprintf(&strbuf, "Dongle assert"); - if (sdpcm_shared.assert_exp_addr != 0) { - str[0] = '\0'; - if ((bcmerror = dhdsdio_membytes(bus, FALSE, - sdpcm_shared.assert_exp_addr, - (uint8 *)str, maxstrlen)) < 0) - goto done; - - str[maxstrlen - 1] = '\0'; - bcm_bprintf(&strbuf, " expr \"%s\"", str); - } - - if (sdpcm_shared.assert_file_addr != 0) { - str[0] = '\0'; - if ((bcmerror = dhdsdio_membytes(bus, FALSE, - sdpcm_shared.assert_file_addr, - (uint8 *)str, maxstrlen)) < 0) - goto done; - - str[maxstrlen - 1] = '\0'; - bcm_bprintf(&strbuf, " file \"%s\"", str); - } - - bcm_bprintf(&strbuf, " line %d ", sdpcm_shared.assert_line); - } - - if (sdpcm_shared.flags & SDPCM_SHARED_TRAP) { - bus->dhd->dongle_trap_occured = TRUE; - if ((bcmerror = dhdsdio_membytes(bus, FALSE, - sdpcm_shared.trap_addr, - (uint8*)&tr, sizeof(trap_t))) < 0) - goto done; - - bcm_bprintf(&strbuf, - "Dongle trap type 0x%x @ epc 0x%x, cpsr 0x%x, spsr 0x%x, sp 0x%x," - "lp 0x%x, rpc 0x%x Trap offset 0x%x, " - "r0 0x%x, r1 0x%x, r2 0x%x, r3 0x%x, " - "r4 0x%x, r5 0x%x, r6 0x%x, r7 0x%x\n\n", - ltoh32(tr.type), ltoh32(tr.epc), ltoh32(tr.cpsr), ltoh32(tr.spsr), - ltoh32(tr.r13), ltoh32(tr.r14), ltoh32(tr.pc), - ltoh32(sdpcm_shared.trap_addr), - ltoh32(tr.r0), ltoh32(tr.r1), ltoh32(tr.r2), ltoh32(tr.r3), - ltoh32(tr.r4), ltoh32(tr.r5), ltoh32(tr.r6), ltoh32(tr.r7)); - - addr = sdpcm_shared.console_addr + OFFSETOF(hndrte_cons_t, log); - if ((rv = dhdsdio_membytes(bus, FALSE, addr, - (uint8 *)&console_ptr, sizeof(console_ptr))) < 0) - goto printbuf; - - addr = sdpcm_shared.console_addr + OFFSETOF(hndrte_cons_t, log.buf_size); - if ((rv = dhdsdio_membytes(bus, FALSE, addr, - (uint8 *)&console_size, sizeof(console_size))) < 0) - goto printbuf; - - addr = sdpcm_shared.console_addr + OFFSETOF(hndrte_cons_t, log.idx); - if ((rv = dhdsdio_membytes(bus, FALSE, addr, - (uint8 *)&console_index, sizeof(console_index))) < 0) - goto printbuf; - - console_ptr = ltoh32(console_ptr); - console_size = ltoh32(console_size); - console_index = ltoh32(console_index); - - if (console_size > CONSOLE_BUFFER_MAX || - !(console_buffer = MALLOC(bus->dhd->osh, console_size))) - goto printbuf; - - if ((rv = dhdsdio_membytes(bus, FALSE, console_ptr, - (uint8 *)console_buffer, console_size)) < 0) - goto printbuf; - - for (i = 0, n = 0; i < console_size; i += n + 1) { - for (n = 0; n < CONSOLE_LINE_MAX - 2; n++) { - ch = console_buffer[(console_index + i + n) % console_size]; - if (ch == '\n') - break; - line[n] = ch; - } - - - if (n > 0) { - if (line[n - 1] == '\r') - n--; - line[n] = 0; - /* Don't use DHD_ERROR macro since we print - * a lot of information quickly. The macro - * will truncate a lot of the printfs - */ - - if (dhd_msg_level & DHD_ERROR_VAL) - printf("CONSOLE: %s\n", line); - } - } - } - } - -printbuf: - if (sdpcm_shared.flags & (SDPCM_SHARED_ASSERT | SDPCM_SHARED_TRAP)) { - DHD_ERROR(("%s: %s\n", __FUNCTION__, strbuf.origbuf)); - } - - -done: - if (mbuffer) - MFREE(bus->dhd->osh, mbuffer, msize); - if (str) - MFREE(bus->dhd->osh, str, maxstrlen); - if (console_buffer) - MFREE(bus->dhd->osh, console_buffer, console_size); - - return bcmerror; -} -#endif /* #ifdef DHD_DEBUG */ - - -int -dhdsdio_downloadvars(dhd_bus_t *bus, void *arg, int len) -{ - int bcmerror = BCME_OK; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - /* Basic sanity checks */ - if (bus->dhd->up) { - bcmerror = BCME_NOTDOWN; - goto err; - } - if (!len) { - bcmerror = BCME_BUFTOOSHORT; - goto err; - } - - /* Free the old ones and replace with passed variables */ - if (bus->vars) - MFREE(bus->dhd->osh, bus->vars, bus->varsz); - - bus->vars = MALLOC(bus->dhd->osh, len); - bus->varsz = bus->vars ? len : 0; - if (bus->vars == NULL) { - bcmerror = BCME_NOMEM; - goto err; - } - - /* Copy the passed variables, which should include the terminating double-null */ - bcopy(arg, bus->vars, bus->varsz); -err: - return bcmerror; -} - -#ifdef DHD_DEBUG - -#define CC_PLL_CHIPCTRL_SERIAL_ENAB (1 << 24) -#define CC_CHIPCTRL_JTAG_SEL (1 << 3) -#define CC_CHIPCTRL_GPIO_SEL (0x3) -#define CC_PLL_CHIPCTRL_SERIAL_ENAB_4334 (1 << 28) - -static int -dhd_serialconsole(dhd_bus_t *bus, bool set, bool enable, int *bcmerror) -{ - int int_val; - uint32 addr, data, uart_enab = 0; - uint32 jtag_sel = CC_CHIPCTRL_JTAG_SEL; - uint32 gpio_sel = CC_CHIPCTRL_GPIO_SEL; - - addr = SI_ENUM_BASE + OFFSETOF(chipcregs_t, chipcontrol_addr); - data = SI_ENUM_BASE + OFFSETOF(chipcregs_t, chipcontrol_data); - *bcmerror = 0; - - bcmsdh_reg_write(bus->sdh, addr, 4, 1); - if (bcmsdh_regfail(bus->sdh)) { - *bcmerror = BCME_SDIO_ERROR; - return -1; - } - int_val = bcmsdh_reg_read(bus->sdh, data, 4); - if (bcmsdh_regfail(bus->sdh)) { - *bcmerror = BCME_SDIO_ERROR; - return -1; - } - if (bus->sih->chip == BCM4330_CHIP_ID) { - uart_enab = CC_PLL_CHIPCTRL_SERIAL_ENAB; - } - else if (bus->sih->chip == BCM4334_CHIP_ID || - bus->sih->chip == BCM43341_CHIP_ID) { - if (enable) { - /* Moved to PMU chipcontrol 1 from 4330 */ - int_val &= ~gpio_sel; - int_val |= jtag_sel; - } else { - int_val |= gpio_sel; - int_val &= ~jtag_sel; - } - uart_enab = CC_PLL_CHIPCTRL_SERIAL_ENAB_4334; - } - - if (!set) - return (int_val & uart_enab); - if (enable) - int_val |= uart_enab; - else - int_val &= ~uart_enab; - bcmsdh_reg_write(bus->sdh, data, 4, int_val); - if (bcmsdh_regfail(bus->sdh)) { - *bcmerror = BCME_SDIO_ERROR; - return -1; - } - if (bus->sih->chip == BCM4330_CHIP_ID) { - uint32 chipcontrol; - addr = SI_ENUM_BASE + OFFSETOF(chipcregs_t, chipcontrol); - chipcontrol = bcmsdh_reg_read(bus->sdh, addr, 4); - chipcontrol &= ~jtag_sel; - if (enable) { - chipcontrol |= jtag_sel; - chipcontrol &= ~gpio_sel; - } - bcmsdh_reg_write(bus->sdh, addr, 4, chipcontrol); - } - - return (int_val & uart_enab); -} -#endif - -static int -dhdsdio_doiovar(dhd_bus_t *bus, const bcm_iovar_t *vi, uint32 actionid, const char *name, - void *params, int plen, void *arg, int len, int val_size) -{ - int bcmerror = 0; - int32 int_val = 0; - bool bool_val = 0; - - DHD_TRACE(("%s: Enter, action %d name %s params %p plen %d arg %p len %d val_size %d\n", - __FUNCTION__, actionid, name, params, plen, arg, len, val_size)); - - if ((bcmerror = bcm_iovar_lencheck(vi, arg, len, IOV_ISSET(actionid))) != 0) - goto exit; - - if (plen >= (int)sizeof(int_val)) - bcopy(params, &int_val, sizeof(int_val)); - - bool_val = (int_val != 0) ? TRUE : FALSE; - - - /* Some ioctls use the bus */ - dhd_os_sdlock(bus->dhd); - - /* Check if dongle is in reset. If so, only allow DEVRESET iovars */ - if (bus->dhd->dongle_reset && !(actionid == IOV_SVAL(IOV_DEVRESET) || - actionid == IOV_GVAL(IOV_DEVRESET))) { - bcmerror = BCME_NOTREADY; - goto exit; - } - - /* - * Special handling for keepSdioOn: New SDIO Wake-up Mechanism - */ - if ((vi->varid == IOV_KSO) && (IOV_ISSET(actionid))) { - dhdsdio_clk_kso_iovar(bus, bool_val); - goto exit; - } else if ((vi->varid == IOV_DEVSLEEP) && (IOV_ISSET(actionid))) { - { - dhdsdio_clk_devsleep_iovar(bus, bool_val); - if (!SLPAUTO_ENAB(bus) && (bool_val == FALSE) && (bus->ipend)) { - DHD_ERROR(("INT pending in devsleep 1, dpc_sched: %d\n", - bus->dpc_sched)); - if (!bus->dpc_sched) { - bus->dpc_sched = TRUE; - dhd_sched_dpc(bus->dhd); - } - } - } - goto exit; - } - - /* Handle sleep stuff before any clock mucking */ - if (vi->varid == IOV_SLEEP) { - if (IOV_ISSET(actionid)) { - bcmerror = dhdsdio_bussleep(bus, bool_val); - } else { - int_val = (int32)bus->sleeping; - bcopy(&int_val, arg, val_size); - } - goto exit; - } - - /* Request clock to allow SDIO accesses */ - if (!bus->dhd->dongle_reset) { - BUS_WAKE(bus); - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - } - - switch (actionid) { - case IOV_GVAL(IOV_INTR): - int_val = (int32)bus->intr; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_INTR): - bus->intr = bool_val; - bus->intdis = FALSE; - if (bus->dhd->up) { - if (bus->intr) { - DHD_INTR(("%s: enable SDIO device interrupts\n", __FUNCTION__)); - bcmsdh_intr_enable(bus->sdh); - } else { - DHD_INTR(("%s: disable SDIO interrupts\n", __FUNCTION__)); - bcmsdh_intr_disable(bus->sdh); - } - } - break; - - case IOV_GVAL(IOV_POLLRATE): - int_val = (int32)bus->pollrate; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_POLLRATE): - bus->pollrate = (uint)int_val; - bus->poll = (bus->pollrate != 0); - break; - - case IOV_GVAL(IOV_IDLETIME): - int_val = bus->idletime; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_IDLETIME): - if ((int_val < 0) && (int_val != DHD_IDLE_IMMEDIATE)) { - bcmerror = BCME_BADARG; - } else { - bus->idletime = int_val; - } - break; - - case IOV_GVAL(IOV_IDLECLOCK): - int_val = (int32)bus->idleclock; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_IDLECLOCK): - bus->idleclock = int_val; - break; - - case IOV_GVAL(IOV_SD1IDLE): - int_val = (int32)sd1idle; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_SD1IDLE): - sd1idle = bool_val; - break; - - - case IOV_SVAL(IOV_MEMBYTES): - case IOV_GVAL(IOV_MEMBYTES): - { - uint32 address; - uint size, dsize; - uint8 *data; - - bool set = (actionid == IOV_SVAL(IOV_MEMBYTES)); - - ASSERT(plen >= 2*sizeof(int)); - - address = (uint32)int_val; - bcopy((char *)params + sizeof(int_val), &int_val, sizeof(int_val)); - size = (uint)int_val; - - /* Do some validation */ - dsize = set ? plen - (2 * sizeof(int)) : len; - if (dsize < size) { - DHD_ERROR(("%s: error on %s membytes, addr 0x%08x size %d dsize %d\n", - __FUNCTION__, (set ? "set" : "get"), address, size, dsize)); - bcmerror = BCME_BADARG; - break; - } - - DHD_INFO(("%s: Request to %s %d bytes at address 0x%08x\n", __FUNCTION__, - (set ? "write" : "read"), size, address)); - - /* If we know about SOCRAM, check for a fit */ - if ((bus->orig_ramsize) && - ((address > bus->orig_ramsize) || (address + size > bus->orig_ramsize))) - { - uint8 enable, protect, remap; - si_socdevram(bus->sih, FALSE, &enable, &protect, &remap); - if (!enable || protect) { - DHD_ERROR(("%s: ramsize 0x%08x doesn't have %d bytes at 0x%08x\n", - __FUNCTION__, bus->orig_ramsize, size, address)); - DHD_ERROR(("%s: socram enable %d, protect %d\n", - __FUNCTION__, enable, protect)); - bcmerror = BCME_BADARG; - break; - } - - if (!REMAP_ENAB(bus) && (address >= SOCDEVRAM_ARM_ADDR)) { - uint32 devramsize = si_socdevram_size(bus->sih); - if ((address < SOCDEVRAM_ARM_ADDR) || - (address + size > (SOCDEVRAM_ARM_ADDR + devramsize))) { - DHD_ERROR(("%s: bad address 0x%08x, size 0x%08x\n", - __FUNCTION__, address, size)); - DHD_ERROR(("%s: socram range 0x%08x,size 0x%08x\n", - __FUNCTION__, SOCDEVRAM_ARM_ADDR, devramsize)); - bcmerror = BCME_BADARG; - break; - } - /* move it such that address is real now */ - address -= SOCDEVRAM_ARM_ADDR; - address += SOCDEVRAM_BP_ADDR; - DHD_INFO(("%s: Request to %s %d bytes @ Mapped address 0x%08x\n", - __FUNCTION__, (set ? "write" : "read"), size, address)); - } else if (REMAP_ENAB(bus) && REMAP_ISADDR(bus, address) && remap) { - /* Can not access remap region while devram remap bit is set - * ROM content would be returned in this case - */ - DHD_ERROR(("%s: Need to disable remap for address 0x%08x\n", - __FUNCTION__, address)); - bcmerror = BCME_ERROR; - break; - } - } - - /* Generate the actual data pointer */ - data = set ? (uint8*)params + 2 * sizeof(int): (uint8*)arg; - - /* Call to do the transfer */ - bcmerror = dhdsdio_membytes(bus, set, address, data, size); - - break; - } - - case IOV_GVAL(IOV_MEMSIZE): - int_val = (int32)bus->ramsize; - bcopy(&int_val, arg, val_size); - break; - - case IOV_GVAL(IOV_SDIOD_DRIVE): - int_val = (int32)dhd_sdiod_drive_strength; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_SDIOD_DRIVE): - dhd_sdiod_drive_strength = int_val; - si_sdiod_drive_strength_init(bus->sih, bus->dhd->osh, dhd_sdiod_drive_strength); - break; - - case IOV_SVAL(IOV_SET_DOWNLOAD_STATE): - bcmerror = dhdsdio_download_state(bus, bool_val); - break; - - case IOV_SVAL(IOV_SOCRAM_STATE): - bcmerror = dhdsdio_download_state(bus, bool_val); - break; - - case IOV_SVAL(IOV_VARS): - bcmerror = dhdsdio_downloadvars(bus, arg, len); - break; - - case IOV_GVAL(IOV_READAHEAD): - int_val = (int32)dhd_readahead; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_READAHEAD): - if (bool_val && !dhd_readahead) - bus->nextlen = 0; - dhd_readahead = bool_val; - break; - - case IOV_GVAL(IOV_SDRXCHAIN): - int_val = (int32)bus->use_rxchain; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_SDRXCHAIN): - if (bool_val && !bus->sd_rxchain) - bcmerror = BCME_UNSUPPORTED; - else - bus->use_rxchain = bool_val; - break; - case IOV_GVAL(IOV_ALIGNCTL): - int_val = (int32)dhd_alignctl; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_ALIGNCTL): - dhd_alignctl = bool_val; - break; - - case IOV_GVAL(IOV_SDALIGN): - int_val = DHD_SDALIGN; - bcopy(&int_val, arg, val_size); - break; - -#ifdef DHD_DEBUG - case IOV_GVAL(IOV_VARS): - if (bus->varsz < (uint)len) - bcopy(bus->vars, arg, bus->varsz); - else - bcmerror = BCME_BUFTOOSHORT; - break; -#endif /* DHD_DEBUG */ - -#ifdef DHD_DEBUG - case IOV_GVAL(IOV_SDREG): - { - sdreg_t *sd_ptr; - uint32 addr, size; - - sd_ptr = (sdreg_t *)params; - - addr = (uintptr)bus->regs + sd_ptr->offset; - size = sd_ptr->func; - int_val = (int32)bcmsdh_reg_read(bus->sdh, addr, size); - if (bcmsdh_regfail(bus->sdh)) - bcmerror = BCME_SDIO_ERROR; - bcopy(&int_val, arg, sizeof(int32)); - break; - } - - case IOV_SVAL(IOV_SDREG): - { - sdreg_t *sd_ptr; - uint32 addr, size; - - sd_ptr = (sdreg_t *)params; - - addr = (uintptr)bus->regs + sd_ptr->offset; - size = sd_ptr->func; - bcmsdh_reg_write(bus->sdh, addr, size, sd_ptr->value); - if (bcmsdh_regfail(bus->sdh)) - bcmerror = BCME_SDIO_ERROR; - break; - } - - /* Same as above, but offset is not backplane (not SDIO core) */ - case IOV_GVAL(IOV_SBREG): - { - sdreg_t sdreg; - uint32 addr, size; - - bcopy(params, &sdreg, sizeof(sdreg)); - - addr = SI_ENUM_BASE + sdreg.offset; - size = sdreg.func; - int_val = (int32)bcmsdh_reg_read(bus->sdh, addr, size); - if (bcmsdh_regfail(bus->sdh)) - bcmerror = BCME_SDIO_ERROR; - bcopy(&int_val, arg, sizeof(int32)); - break; - } - - case IOV_SVAL(IOV_SBREG): - { - sdreg_t sdreg; - uint32 addr, size; - - bcopy(params, &sdreg, sizeof(sdreg)); - - addr = SI_ENUM_BASE + sdreg.offset; - size = sdreg.func; - bcmsdh_reg_write(bus->sdh, addr, size, sdreg.value); - if (bcmsdh_regfail(bus->sdh)) - bcmerror = BCME_SDIO_ERROR; - break; - } - - case IOV_GVAL(IOV_SDCIS): - { - *(char *)arg = 0; - - bcmstrcat(arg, "\nFunc 0\n"); - bcmsdh_cis_read(bus->sdh, 0x10, (uint8 *)arg + strlen(arg), SBSDIO_CIS_SIZE_LIMIT); - bcmstrcat(arg, "\nFunc 1\n"); - bcmsdh_cis_read(bus->sdh, 0x11, (uint8 *)arg + strlen(arg), SBSDIO_CIS_SIZE_LIMIT); - bcmstrcat(arg, "\nFunc 2\n"); - bcmsdh_cis_read(bus->sdh, 0x12, (uint8 *)arg + strlen(arg), SBSDIO_CIS_SIZE_LIMIT); - break; - } - - case IOV_GVAL(IOV_FORCEEVEN): - int_val = (int32)forcealign; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_FORCEEVEN): - forcealign = bool_val; - break; - - case IOV_GVAL(IOV_TXBOUND): - int_val = (int32)dhd_txbound; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_TXBOUND): - dhd_txbound = (uint)int_val; - break; - - case IOV_GVAL(IOV_RXBOUND): - int_val = (int32)dhd_rxbound; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_RXBOUND): - dhd_rxbound = (uint)int_val; - break; - - case IOV_GVAL(IOV_TXMINMAX): - int_val = (int32)dhd_txminmax; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_TXMINMAX): - dhd_txminmax = (uint)int_val; - break; - - case IOV_GVAL(IOV_SERIALCONS): - int_val = dhd_serialconsole(bus, FALSE, 0, &bcmerror); - if (bcmerror != 0) - break; - - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_SERIALCONS): - dhd_serialconsole(bus, TRUE, bool_val, &bcmerror); - break; - - - -#endif /* DHD_DEBUG */ - - -#ifdef SDTEST - case IOV_GVAL(IOV_EXTLOOP): - int_val = (int32)bus->ext_loop; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_EXTLOOP): - bus->ext_loop = bool_val; - break; - - case IOV_GVAL(IOV_PKTGEN): - bcmerror = dhdsdio_pktgen_get(bus, arg); - break; - - case IOV_SVAL(IOV_PKTGEN): - bcmerror = dhdsdio_pktgen_set(bus, arg); - break; -#endif /* SDTEST */ - -#if defined(SDIO_CRC_ERROR_FIX) - case IOV_GVAL(IOV_WATERMARK): - int_val = (int32)watermark; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_WATERMARK): - watermark = (uint)int_val; - watermark = (watermark > SBSDIO_WATERMARK_MASK) ? SBSDIO_WATERMARK_MASK : watermark; - DHD_ERROR(("Setting watermark as 0x%x.\n", watermark)); - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_WATERMARK, (uint8)watermark, NULL); - break; - - case IOV_GVAL(IOV_MESBUSYCTRL): - int_val = (int32)mesbusyctrl; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_MESBUSYCTRL): - mesbusyctrl = (uint)int_val; - mesbusyctrl = (mesbusyctrl > SBSDIO_MESBUSYCTRL_MASK) - ? SBSDIO_MESBUSYCTRL_MASK : mesbusyctrl; - DHD_ERROR(("Setting mesbusyctrl as 0x%x.\n", mesbusyctrl)); - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_MESBUSYCTRL, - ((uint8)mesbusyctrl | 0x80), NULL); - break; -#endif /* SDIO_CRC_ERROR_FIX */ - - case IOV_GVAL(IOV_DONGLEISOLATION): - int_val = bus->dhd->dongle_isolation; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_DONGLEISOLATION): - bus->dhd->dongle_isolation = bool_val; - break; - - case IOV_SVAL(IOV_DEVRESET): - DHD_TRACE(("%s: Called set IOV_DEVRESET=%d dongle_reset=%d busstate=%d\n", - __FUNCTION__, bool_val, bus->dhd->dongle_reset, - bus->dhd->busstate)); - - ASSERT(bus->dhd->osh); - /* ASSERT(bus->cl_devid); */ - - dhd_bus_devreset(bus->dhd, (uint8)bool_val); - - break; -#ifdef SOFTAP - case IOV_GVAL(IOV_FWPATH): - { - uint32 fw_path_len; - - fw_path_len = strlen(bus->fw_path); - DHD_INFO(("[softap] get fwpath, l=%d\n", len)); - - if (fw_path_len > len-1) { - bcmerror = BCME_BUFTOOSHORT; - break; - } - - if (fw_path_len) { - bcopy(bus->fw_path, arg, fw_path_len); - ((uchar*)arg)[fw_path_len] = 0; - } - break; - } - - case IOV_SVAL(IOV_FWPATH): - DHD_INFO(("[softap] set fwpath, idx=%d\n", int_val)); - - switch (int_val) { - case 1: - bus->fw_path = fw_path; /* ordinary one */ - break; - case 2: - bus->fw_path = fw_path2; - break; - default: - bcmerror = BCME_BADARG; - break; - } - - DHD_INFO(("[softap] new fw path: %s\n", (bus->fw_path[0] ? bus->fw_path : "NULL"))); - break; - -#endif /* SOFTAP */ - case IOV_GVAL(IOV_DEVRESET): - DHD_TRACE(("%s: Called get IOV_DEVRESET\n", __FUNCTION__)); - - /* Get its status */ - int_val = (bool) bus->dhd->dongle_reset; - bcopy(&int_val, arg, val_size); - - break; - - case IOV_GVAL(IOV_KSO): - int_val = dhdsdio_sleepcsr_get(bus); - bcopy(&int_val, arg, val_size); - break; - - case IOV_GVAL(IOV_DEVCAP): - int_val = dhdsdio_devcap_get(bus); - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_DEVCAP): - dhdsdio_devcap_set(bus, (uint8) int_val); - break; - -#ifdef BCMSDIOH_TXGLOM - case IOV_GVAL(IOV_TXGLOMSIZE): - int_val = (int32)bus->glomsize; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_TXGLOMSIZE): - if (int_val > SDPCM_MAXGLOM_SIZE) { - bcmerror = BCME_ERROR; - } else { - bus->glomsize = (uint)int_val; - } - break; - case IOV_GVAL(IOV_TXGLOMMODE): - int_val = (int32)bus->glom_mode; - bcopy(&int_val, arg, val_size); - break; - - case IOV_SVAL(IOV_TXGLOMMODE): - if ((int_val != SDPCM_TXGLOM_CPY) && (int_val != SDPCM_TXGLOM_MDESC)) { - bcmerror = BCME_RANGE; - } else { - if ((bus->glom_mode = bcmsdh_set_mode(bus->sdh, (uint)int_val)) != int_val) - bcmerror = BCME_ERROR; - } - break; -#endif /* BCMSDIOH_TXGLOM */ - default: - bcmerror = BCME_UNSUPPORTED; - break; - } - -exit: - if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched) { - bus->activity = FALSE; - dhdsdio_clkctl(bus, CLK_NONE, TRUE); - } - - dhd_os_sdunlock(bus->dhd); - - return bcmerror; -} - -static int -dhdsdio_write_vars(dhd_bus_t *bus) -{ - int bcmerror = 0; - uint32 varsize, phys_size; - uint32 varaddr; - uint8 *vbuffer; - uint32 varsizew; -#ifdef DHD_DEBUG - uint8 *nvram_ularray; -#endif /* DHD_DEBUG */ - - /* Even if there are no vars are to be written, we still need to set the ramsize. */ - varsize = bus->varsz ? ROUNDUP(bus->varsz, 4) : 0; - varaddr = (bus->ramsize - 4) - varsize; - - varaddr += bus->dongle_ram_base; - - if (bus->vars) { - if ((bus->sih->buscoretype == SDIOD_CORE_ID) && (bus->sdpcmrev == 7)) { - if (((varaddr & 0x3C) == 0x3C) && (varsize > 4)) { - DHD_ERROR(("PR85623WAR in place\n")); - varsize += 4; - varaddr -= 4; - } - } - - vbuffer = (uint8 *)MALLOC(bus->dhd->osh, varsize); - if (!vbuffer) - return BCME_NOMEM; - - bzero(vbuffer, varsize); - bcopy(bus->vars, vbuffer, bus->varsz); - - /* Write the vars list */ - bcmerror = dhdsdio_membytes(bus, TRUE, varaddr, vbuffer, varsize); -#ifdef DHD_DEBUG - /* Verify NVRAM bytes */ - DHD_INFO(("Compare NVRAM dl & ul; varsize=%d\n", varsize)); - nvram_ularray = (uint8*)MALLOC(bus->dhd->osh, varsize); - if (!nvram_ularray) - return BCME_NOMEM; - - /* Upload image to verify downloaded contents. */ - memset(nvram_ularray, 0xaa, varsize); - - /* Read the vars list to temp buffer for comparison */ - bcmerror = dhdsdio_membytes(bus, FALSE, varaddr, nvram_ularray, varsize); - if (bcmerror) { - DHD_ERROR(("%s: error %d on reading %d nvram bytes at 0x%08x\n", - __FUNCTION__, bcmerror, varsize, varaddr)); - } - /* Compare the org NVRAM with the one read from RAM */ - if (memcmp(vbuffer, nvram_ularray, varsize)) { - DHD_ERROR(("%s: Downloaded NVRAM image is corrupted.\n", __FUNCTION__)); - } else - DHD_ERROR(("%s: Download, Upload and compare of NVRAM succeeded.\n", - __FUNCTION__)); - - MFREE(bus->dhd->osh, nvram_ularray, varsize); -#endif /* DHD_DEBUG */ - - MFREE(bus->dhd->osh, vbuffer, varsize); - } - - phys_size = REMAP_ENAB(bus) ? bus->ramsize : bus->orig_ramsize; - - phys_size += bus->dongle_ram_base; - - /* adjust to the user specified RAM */ - DHD_INFO(("Physical memory size: %d, usable memory size: %d\n", - phys_size, bus->ramsize)); - DHD_INFO(("Vars are at %d, orig varsize is %d\n", - varaddr, varsize)); - varsize = ((phys_size - 4) - varaddr); - - /* - * Determine the length token: - * Varsize, converted to words, in lower 16-bits, checksum in upper 16-bits. - */ - if (bcmerror) { - varsizew = 0; - } else { - varsizew = varsize / 4; - varsizew = (~varsizew << 16) | (varsizew & 0x0000FFFF); - varsizew = htol32(varsizew); - } - - DHD_INFO(("New varsize is %d, length token=0x%08x\n", varsize, varsizew)); - - /* Write the length token to the last word */ - bcmerror = dhdsdio_membytes(bus, TRUE, (phys_size - 4), - (uint8*)&varsizew, 4); - - return bcmerror; -} - -static int -dhdsdio_download_state(dhd_bus_t *bus, bool enter) -{ - uint retries; - int bcmerror = 0; - int foundcr4 = 0; - - /* To enter download state, disable ARM and reset SOCRAM. - * To exit download state, simply reset ARM (default is RAM boot). - */ - if (enter) { - bus->alp_only = TRUE; - - if (!(si_setcore(bus->sih, ARM7S_CORE_ID, 0)) && - !(si_setcore(bus->sih, ARMCM3_CORE_ID, 0))) { - if (si_setcore(bus->sih, ARMCR4_CORE_ID, 0)) { - foundcr4 = 1; - } else { - DHD_ERROR(("%s: Failed to find ARM core!\n", __FUNCTION__)); - bcmerror = BCME_ERROR; - goto fail; - } - } - - if (!foundcr4) { - si_core_disable(bus->sih, 0); - if (bcmsdh_regfail(bus->sdh)) { - bcmerror = BCME_SDIO_ERROR; - goto fail; - } - - if (!(si_setcore(bus->sih, SOCRAM_CORE_ID, 0))) { - DHD_ERROR(("%s: Failed to find SOCRAM core!\n", __FUNCTION__)); - bcmerror = BCME_ERROR; - goto fail; - } - - si_core_reset(bus->sih, 0, 0); - if (bcmsdh_regfail(bus->sdh)) { - DHD_ERROR(("%s: Failure trying reset SOCRAM core?\n", __FUNCTION__)); - bcmerror = BCME_SDIO_ERROR; - goto fail; - } - - /* Disable remap for download */ - if (REMAP_ENAB(bus) && si_socdevram_remap_isenb(bus->sih)) - dhdsdio_devram_remap(bus, FALSE); - - /* Clear the top bit of memory */ - if (bus->ramsize) { - uint32 zeros = 0; - if (dhdsdio_membytes(bus, TRUE, bus->ramsize - 4, (uint8*)&zeros, 4) < 0) { - bcmerror = BCME_SDIO_ERROR; - goto fail; - } - } - } else { - /* For CR4, - * Halt ARM - * Remove ARM reset - * Read RAM base address [0x18_0000] - * [next] Download firmware - * [done at else] Populate the reset vector - * [done at else] Remove ARM halt - */ - /* Halt ARM & remove reset */ - si_core_reset(bus->sih, SICF_CPUHALT, SICF_CPUHALT); - } - } else { - if (!si_setcore(bus->sih, ARMCR4_CORE_ID, 0)) { - if (!(si_setcore(bus->sih, SOCRAM_CORE_ID, 0))) { - DHD_ERROR(("%s: Failed to find SOCRAM core!\n", __FUNCTION__)); - bcmerror = BCME_ERROR; - goto fail; - } - - if (!si_iscoreup(bus->sih)) { - DHD_ERROR(("%s: SOCRAM core is down after reset?\n", __FUNCTION__)); - bcmerror = BCME_ERROR; - goto fail; - } - - if ((bcmerror = dhdsdio_write_vars(bus))) { - DHD_ERROR(("%s: could not write vars to RAM\n", __FUNCTION__)); - goto fail; - } - - /* Enable remap before ARM reset but after vars. - * No backplane access in remap mode - */ - if (REMAP_ENAB(bus) && !si_socdevram_remap_isenb(bus->sih)) - dhdsdio_devram_remap(bus, TRUE); - - if (!si_setcore(bus->sih, PCMCIA_CORE_ID, 0) && - !si_setcore(bus->sih, SDIOD_CORE_ID, 0)) { - DHD_ERROR(("%s: Can't change back to SDIO core?\n", __FUNCTION__)); - bcmerror = BCME_ERROR; - goto fail; - } - W_SDREG(0xFFFFFFFF, &bus->regs->intstatus, retries); - - - if (!(si_setcore(bus->sih, ARM7S_CORE_ID, 0)) && - !(si_setcore(bus->sih, ARMCM3_CORE_ID, 0))) { - DHD_ERROR(("%s: Failed to find ARM core!\n", __FUNCTION__)); - bcmerror = BCME_ERROR; - goto fail; - } - } else { - /* cr4 has no socram, but tcm's */ - /* write vars */ - if ((bcmerror = dhdsdio_write_vars(bus))) { - DHD_ERROR(("%s: could not write vars to RAM\n", __FUNCTION__)); - goto fail; - } - - if (!si_setcore(bus->sih, PCMCIA_CORE_ID, 0) && - !si_setcore(bus->sih, SDIOD_CORE_ID, 0)) { - DHD_ERROR(("%s: Can't change back to SDIO core?\n", __FUNCTION__)); - bcmerror = BCME_ERROR; - goto fail; - } - W_SDREG(0xFFFFFFFF, &bus->regs->intstatus, retries); - - /* switch back to arm core again */ - if (!(si_setcore(bus->sih, ARMCR4_CORE_ID, 0))) { - DHD_ERROR(("%s: Failed to find ARM CR4 core!\n", __FUNCTION__)); - bcmerror = BCME_ERROR; - goto fail; - } - /* write address 0 with reset instruction */ - bcmerror = dhdsdio_membytes(bus, TRUE, 0, - (uint8 *)&bus->resetinstr, sizeof(bus->resetinstr)); - - /* now remove reset and halt and continue to run CR4 */ - } - - si_core_reset(bus->sih, 0, 0); - if (bcmsdh_regfail(bus->sdh)) { - DHD_ERROR(("%s: Failure trying to reset ARM core?\n", __FUNCTION__)); - bcmerror = BCME_SDIO_ERROR; - goto fail; - } - - /* Allow HT Clock now that the ARM is running. */ - bus->alp_only = FALSE; - - bus->dhd->busstate = DHD_BUS_LOAD; - } - -fail: - /* Always return to SDIOD core */ - if (!si_setcore(bus->sih, PCMCIA_CORE_ID, 0)) - si_setcore(bus->sih, SDIOD_CORE_ID, 0); - - return bcmerror; -} - -int -dhd_bus_iovar_op(dhd_pub_t *dhdp, const char *name, - void *params, int plen, void *arg, int len, bool set) -{ - dhd_bus_t *bus = dhdp->bus; - const bcm_iovar_t *vi = NULL; - int bcmerror = 0; - int val_size; - uint32 actionid; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - ASSERT(name); - ASSERT(len >= 0); - - /* Get MUST have return space */ - ASSERT(set || (arg && len)); - - /* Set does NOT take qualifiers */ - ASSERT(!set || (!params && !plen)); - - /* Look up var locally; if not found pass to host driver */ - if ((vi = bcm_iovar_lookup(dhdsdio_iovars, name)) == NULL) { - dhd_os_sdlock(bus->dhd); - - BUS_WAKE(bus); - - /* Turn on clock in case SD command needs backplane */ - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - - bcmerror = bcmsdh_iovar_op(bus->sdh, name, params, plen, arg, len, set); - - /* Check for bus configuration changes of interest */ - - /* If it was divisor change, read the new one */ - if (set && strcmp(name, "sd_divisor") == 0) { - if (bcmsdh_iovar_op(bus->sdh, "sd_divisor", NULL, 0, - &bus->sd_divisor, sizeof(int32), FALSE) != BCME_OK) { - bus->sd_divisor = -1; - DHD_ERROR(("%s: fail on %s get\n", __FUNCTION__, name)); - } else { - DHD_INFO(("%s: noted %s update, value now %d\n", - __FUNCTION__, name, bus->sd_divisor)); - } - } - /* If it was a mode change, read the new one */ - if (set && strcmp(name, "sd_mode") == 0) { - if (bcmsdh_iovar_op(bus->sdh, "sd_mode", NULL, 0, - &bus->sd_mode, sizeof(int32), FALSE) != BCME_OK) { - bus->sd_mode = -1; - DHD_ERROR(("%s: fail on %s get\n", __FUNCTION__, name)); - } else { - DHD_INFO(("%s: noted %s update, value now %d\n", - __FUNCTION__, name, bus->sd_mode)); - } - } - /* Similar check for blocksize change */ - if (set && strcmp(name, "sd_blocksize") == 0) { - int32 fnum = 2; - if (bcmsdh_iovar_op(bus->sdh, "sd_blocksize", &fnum, sizeof(int32), - &bus->blocksize, sizeof(int32), FALSE) != BCME_OK) { - bus->blocksize = 0; - DHD_ERROR(("%s: fail on %s get\n", __FUNCTION__, "sd_blocksize")); - } else { - DHD_INFO(("%s: noted %s update, value now %d\n", - __FUNCTION__, "sd_blocksize", bus->blocksize)); - } - } - bus->roundup = MIN(max_roundup, bus->blocksize); - - if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched) { - bus->activity = FALSE; - dhdsdio_clkctl(bus, CLK_NONE, TRUE); - } - - dhd_os_sdunlock(bus->dhd); - goto exit; - } - - DHD_CTL(("%s: %s %s, len %d plen %d\n", __FUNCTION__, - name, (set ? "set" : "get"), len, plen)); - - /* set up 'params' pointer in case this is a set command so that - * the convenience int and bool code can be common to set and get - */ - if (params == NULL) { - params = arg; - plen = len; - } - - if (vi->type == IOVT_VOID) - val_size = 0; - else if (vi->type == IOVT_BUFFER) - val_size = len; - else - /* all other types are integer sized */ - val_size = sizeof(int); - - actionid = set ? IOV_SVAL(vi->varid) : IOV_GVAL(vi->varid); - bcmerror = dhdsdio_doiovar(bus, vi, actionid, name, params, plen, arg, len, val_size); - -exit: - return bcmerror; -} - -void -dhd_bus_stop(struct dhd_bus *bus, bool enforce_mutex) -{ - osl_t *osh; - uint32 local_hostintmask; - uint8 saveclk, dat; - uint retries; - int err; - if (!bus->dhd) - return; - - osh = bus->dhd->osh; - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - bcmsdh_waitlockfree(NULL); - - if (enforce_mutex) - dhd_os_sdlock(bus->dhd); - - if ((bus->dhd->busstate == DHD_BUS_DOWN) || bus->dhd->hang_was_sent) { - bus->dhd->busstate = DHD_BUS_DOWN; - bus->hostintmask = 0; - bcmsdh_intr_disable(bus->sdh); - } else { - BUS_WAKE(bus); - - if (KSO_ENAB(bus)) { - /* Mask the interrupt */ - dat = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_INTEN, NULL); - dat &= ~(INTR_CTL_FUNC1_EN | INTR_CTL_FUNC2_EN); - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_INTEN, dat, NULL); - } - - /* Change our idea of bus state */ - bus->dhd->busstate = DHD_BUS_DOWN; - - if (KSO_ENAB(bus)) { - - /* Enable clock for device interrupts */ - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - - /* Disable and clear interrupts at the chip level also */ - W_SDREG(0, &bus->regs->hostintmask, retries); - local_hostintmask = bus->hostintmask; - bus->hostintmask = 0; - - /* Force clocks on backplane to be sure F2 interrupt propagates */ - saveclk = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, &err); - if (!err) { - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, - (saveclk | SBSDIO_FORCE_HT), &err); - } - if (err) { - DHD_ERROR(("%s: Failed to force clock for F2: err %d\n", __FUNCTION__, err)); - } - - /* Turn off the bus (F2), free any pending packets */ - DHD_INTR(("%s: disable SDIO interrupts\n", __FUNCTION__)); - bcmsdh_intr_disable(bus->sdh); - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_IOEN, SDIO_FUNC_ENABLE_1, NULL); - - /* Clear any pending interrupts now that F2 is disabled */ - W_SDREG(local_hostintmask, &bus->regs->intstatus, retries); - } - - /* Turn off the backplane clock (only) */ - dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); - } - - /* Clear the data packet queues */ - pktq_flush(osh, &bus->txq, TRUE, NULL, 0); - - /* Clear any held glomming stuff */ - if (bus->glomd) - PKTFREE(osh, bus->glomd, FALSE); - - if (bus->glom) - PKTFREE(osh, bus->glom, FALSE); - - bus->glom = bus->glomd = NULL; - - /* Clear rx control and wake any waiters */ - bus->rxlen = 0; - dhd_os_ioctl_resp_wake(bus->dhd); - - /* Reset some F2 state stuff */ - bus->rxskip = FALSE; - bus->tx_seq = bus->rx_seq = 0; - - if (enforce_mutex) - dhd_os_sdunlock(bus->dhd); -} - -#ifdef BCMSDIOH_TXGLOM -void -dhd_txglom_enable(dhd_pub_t *dhdp, bool enable) -{ - dhd_bus_t *bus = dhdp->bus; - - char buf[256]; - uint32 rxglom; - int32 ret; - - if (enable) { - rxglom = 1; - memset(buf, 0, sizeof(buf)); - bcm_mkiovar("bus:rxglom", - (void *)&rxglom, - 4, buf, sizeof(buf)); - ret = dhd_wl_ioctl_cmd(dhdp, - WLC_SET_VAR, buf, - sizeof(buf), TRUE, 0); - if (!(ret < 0)) { - bus->glom_enable = TRUE; - } - } else { - bus->glom_enable = FALSE; - } -} -#endif /* BCMSDIOH_TXGLOM */ - -int -dhd_bus_init(dhd_pub_t *dhdp, bool enforce_mutex) -{ - dhd_bus_t *bus = dhdp->bus; - dhd_timeout_t tmo; - uint retries = 0; - uint8 ready, enable; - int err, ret = 0; - uint8 saveclk; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - ASSERT(bus->dhd); - if (!bus->dhd) - return 0; - - if (enforce_mutex) - dhd_os_sdlock(bus->dhd); - - /* Make sure backplane clock is on, needed to generate F2 interrupt */ - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - if (bus->clkstate != CLK_AVAIL) { - DHD_ERROR(("%s: clock state is wrong. state = %d\n", __FUNCTION__, bus->clkstate)); - ret = -1; - goto exit; - } - - - /* Force clocks on backplane to be sure F2 interrupt propagates */ - saveclk = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, &err); - if (!err) { - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, - (saveclk | SBSDIO_FORCE_HT), &err); - } - if (err) { - DHD_ERROR(("%s: Failed to force clock for F2: err %d\n", __FUNCTION__, err)); - ret = -1; - goto exit; - } - - /* Enable function 2 (frame transfers) */ - W_SDREG((SDPCM_PROT_VERSION << SMB_DATA_VERSION_SHIFT), - &bus->regs->tosbmailboxdata, retries); - enable = (SDIO_FUNC_ENABLE_1 | SDIO_FUNC_ENABLE_2); - - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_IOEN, enable, NULL); - - /* Give the dongle some time to do its thing and set IOR2 */ - dhd_timeout_start(&tmo, DHD_WAIT_F2RDY * 1000); - - ready = 0; - while (ready != enable && !dhd_timeout_expired(&tmo)) - ready = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_IORDY, NULL); - - DHD_INFO(("%s: enable 0x%02x, ready 0x%02x (waited %uus)\n", - __FUNCTION__, enable, ready, tmo.elapsed)); - - - /* If F2 successfully enabled, set core and enable interrupts */ - if (ready == enable) { - /* Make sure we're talking to the core. */ - if (!(bus->regs = si_setcore(bus->sih, PCMCIA_CORE_ID, 0))) - bus->regs = si_setcore(bus->sih, SDIOD_CORE_ID, 0); - ASSERT(bus->regs != NULL); - - /* Set up the interrupt mask and enable interrupts */ - bus->hostintmask = HOSTINTMASK; - /* corerev 4 could use the newer interrupt logic to detect the frames */ - if ((bus->sih->buscoretype == SDIOD_CORE_ID) && (bus->sdpcmrev == 4) && - (bus->rxint_mode != SDIO_DEVICE_HMB_RXINT)) { - bus->hostintmask &= ~I_HMB_FRAME_IND; - bus->hostintmask |= I_XMTDATA_AVAIL; - } - W_SDREG(bus->hostintmask, &bus->regs->hostintmask, retries); -#ifdef SDIO_CRC_ERROR_FIX - if (bus->blocksize < 512) { - mesbusyctrl = watermark = bus->blocksize / 4; - } -#endif /* SDIO_CRC_ERROR_FIX */ - - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_WATERMARK, (uint8)watermark, &err); -#ifdef SDIO_CRC_ERROR_FIX - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_MESBUSYCTRL, - (uint8)mesbusyctrl|0x80, &err); - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, - SBSDIO_DEVCTL_EN_F2_BLK_WATERMARK, NULL); -#endif /* SDIO_CRC_ERROR_FIX */ - - /* Set bus state according to enable result */ - dhdp->busstate = DHD_BUS_DATA; - - /* bcmsdh_intr_unmask(bus->sdh); */ - - bus->intdis = FALSE; - if (bus->intr) { - DHD_INTR(("%s: enable SDIO device interrupts\n", __FUNCTION__)); - bcmsdh_intr_enable(bus->sdh); - } else { - DHD_INTR(("%s: disable SDIO interrupts\n", __FUNCTION__)); - bcmsdh_intr_disable(bus->sdh); - } - - } - - - else { - /* Disable F2 again */ - enable = SDIO_FUNC_ENABLE_1; - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_IOEN, enable, NULL); - } - - if (dhdsdio_sr_cap(bus)) - dhdsdio_sr_init(bus); - else - bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_CHIPCLKCSR, saveclk, &err); - - /* If we didn't come up, turn off backplane clock */ - if (dhdp->busstate != DHD_BUS_DATA) - dhdsdio_clkctl(bus, CLK_NONE, FALSE); - -exit: - if (enforce_mutex) - dhd_os_sdunlock(bus->dhd); - - return ret; -} - -static void -dhdsdio_rxfail(dhd_bus_t *bus, bool abort, bool rtx) -{ - bcmsdh_info_t *sdh = bus->sdh; - sdpcmd_regs_t *regs = bus->regs; - uint retries = 0; - uint16 lastrbc; - uint8 hi, lo; - int err; - - DHD_ERROR(("%s: %sterminate frame%s\n", __FUNCTION__, - (abort ? "abort command, " : ""), (rtx ? ", send NAK" : ""))); - - if (!KSO_ENAB(bus)) { - DHD_ERROR(("%s: Device asleep\n", __FUNCTION__)); - return; - } - - if (abort) { - bcmsdh_abort(sdh, SDIO_FUNC_2); - } - - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_FRAMECTRL, SFC_RF_TERM, &err); - bus->f1regdata++; - - /* Wait until the packet has been flushed (device/FIFO stable) */ - for (lastrbc = retries = 0xffff; retries > 0; retries--) { - hi = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_RFRAMEBCHI, NULL); - lo = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_RFRAMEBCLO, NULL); - bus->f1regdata += 2; - - if ((hi == 0) && (lo == 0)) - break; - - if ((hi > (lastrbc >> 8)) && (lo > (lastrbc & 0x00ff))) { - DHD_ERROR(("%s: count growing: last 0x%04x now 0x%04x\n", - __FUNCTION__, lastrbc, ((hi << 8) + lo))); - } - lastrbc = (hi << 8) + lo; - } - - if (!retries) { - DHD_ERROR(("%s: count never zeroed: last 0x%04x\n", __FUNCTION__, lastrbc)); - } else { - DHD_INFO(("%s: flush took %d iterations\n", __FUNCTION__, (0xffff - retries))); - } - - if (rtx) { - bus->rxrtx++; - W_SDREG(SMB_NAK, ®s->tosbmailbox, retries); - bus->f1regdata++; - if (retries <= retry_limit) { - bus->rxskip = TRUE; - } - } - - /* Clear partial in any case */ - bus->nextlen = 0; - - /* If we can't reach the device, signal failure */ - if (err || bcmsdh_regfail(sdh)) - bus->dhd->busstate = DHD_BUS_DOWN; -} - -static void -dhdsdio_read_control(dhd_bus_t *bus, uint8 *hdr, uint len, uint doff) -{ - bcmsdh_info_t *sdh = bus->sdh; - uint rdlen, pad; - - int sdret; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - /* Control data already received in aligned rxctl */ - if ((bus->bus == SPI_BUS) && (!bus->usebufpool)) - goto gotpkt; - - ASSERT(bus->rxbuf); - /* Set rxctl for frame (w/optional alignment) */ - bus->rxctl = bus->rxbuf; - if (dhd_alignctl) { - bus->rxctl += firstread; - if ((pad = ((uintptr)bus->rxctl % DHD_SDALIGN))) - bus->rxctl += (DHD_SDALIGN - pad); - bus->rxctl -= firstread; - } - ASSERT(bus->rxctl >= bus->rxbuf); - - /* Copy the already-read portion over */ - bcopy(hdr, bus->rxctl, firstread); - if (len <= firstread) - goto gotpkt; - - /* Copy the full data pkt in gSPI case and process ioctl. */ - if (bus->bus == SPI_BUS) { - bcopy(hdr, bus->rxctl, len); - goto gotpkt; - } - - /* Raise rdlen to next SDIO block to avoid tail command */ - rdlen = len - firstread; - if (bus->roundup && bus->blocksize && (rdlen > bus->blocksize)) { - pad = bus->blocksize - (rdlen % bus->blocksize); - if ((pad <= bus->roundup) && (pad < bus->blocksize) && - ((len + pad) < bus->dhd->maxctl)) - rdlen += pad; - } else if (rdlen % DHD_SDALIGN) { - rdlen += DHD_SDALIGN - (rdlen % DHD_SDALIGN); - } - - /* Satisfy length-alignment requirements */ - if (forcealign && (rdlen & (ALIGNMENT - 1))) - rdlen = ROUNDUP(rdlen, ALIGNMENT); - - /* Drop if the read is too big or it exceeds our maximum */ - if ((rdlen + firstread) > bus->dhd->maxctl) { - DHD_ERROR(("%s: %d-byte control read exceeds %d-byte buffer\n", - __FUNCTION__, rdlen, bus->dhd->maxctl)); - bus->dhd->rx_errors++; - dhdsdio_rxfail(bus, FALSE, FALSE); - goto done; - } - - if ((len - doff) > bus->dhd->maxctl) { - DHD_ERROR(("%s: %d-byte ctl frame (%d-byte ctl data) exceeds %d-byte limit\n", - __FUNCTION__, len, (len - doff), bus->dhd->maxctl)); - bus->dhd->rx_errors++; bus->rx_toolong++; - dhdsdio_rxfail(bus, FALSE, FALSE); - goto done; - } - - - /* Read remainder of frame body into the rxctl buffer */ - sdret = dhd_bcmsdh_recv_buf(bus, bcmsdh_cur_sbwad(sdh), SDIO_FUNC_2, F2SYNC, - (bus->rxctl + firstread), rdlen, NULL, NULL, NULL); - bus->f2rxdata++; - ASSERT(sdret != BCME_PENDING); - - /* Control frame failures need retransmission */ - if (sdret < 0) { - DHD_ERROR(("%s: read %d control bytes failed: %d\n", __FUNCTION__, rdlen, sdret)); - bus->rxc_errors++; /* dhd.rx_ctlerrs is higher level */ - dhdsdio_rxfail(bus, TRUE, TRUE); - goto done; - } - -gotpkt: - -#ifdef DHD_DEBUG - if (DHD_BYTES_ON() && DHD_CTL_ON()) { - prhex("RxCtrl", bus->rxctl, len); - } -#endif - - /* Point to valid data and indicate its length */ - bus->rxctl += doff; - bus->rxlen = len - doff; - -done: - /* Awake any waiters */ - dhd_os_ioctl_resp_wake(bus->dhd); -} - -static uint8 -dhdsdio_rxglom(dhd_bus_t *bus, uint8 rxseq) -{ - uint16 dlen, totlen; - uint8 *dptr, num = 0; - - uint16 sublen, check; - void *pfirst, *plast, *pnext; - void * list_tail[DHD_MAX_IFS] = { NULL }; - void * list_head[DHD_MAX_IFS] = { NULL }; - uint8 idx; - osl_t *osh = bus->dhd->osh; - - int errcode; - uint8 chan, seq, doff, sfdoff; - uint8 txmax; - uchar reorder_info_buf[WLHOST_REORDERDATA_TOTLEN]; - uint reorder_info_len; - - int ifidx = 0; - bool usechain = bus->use_rxchain; - - /* If packets, issue read(s) and send up packet chain */ - /* Return sequence numbers consumed? */ - - DHD_TRACE(("dhdsdio_rxglom: start: glomd %p glom %p\n", bus->glomd, bus->glom)); - - /* If there's a descriptor, generate the packet chain */ - if (bus->glomd) { - dhd_os_sdlock_rxq(bus->dhd); - - pfirst = plast = pnext = NULL; - dlen = (uint16)PKTLEN(osh, bus->glomd); - dptr = PKTDATA(osh, bus->glomd); - if (!dlen || (dlen & 1)) { - DHD_ERROR(("%s: bad glomd len (%d), ignore descriptor\n", - __FUNCTION__, dlen)); - dlen = 0; - } - - for (totlen = num = 0; dlen; num++) { - /* Get (and move past) next length */ - sublen = ltoh16_ua(dptr); - dlen -= sizeof(uint16); - dptr += sizeof(uint16); - if ((sublen < SDPCM_HDRLEN_RX) || - ((num == 0) && (sublen < (2 * SDPCM_HDRLEN_RX)))) { - DHD_ERROR(("%s: descriptor len %d bad: %d\n", - __FUNCTION__, num, sublen)); - pnext = NULL; - break; - } - if (sublen % DHD_SDALIGN) { - DHD_ERROR(("%s: sublen %d not a multiple of %d\n", - __FUNCTION__, sublen, DHD_SDALIGN)); - usechain = FALSE; - } - totlen += sublen; - - /* For last frame, adjust read len so total is a block multiple */ - if (!dlen) { - sublen += (ROUNDUP(totlen, bus->blocksize) - totlen); - totlen = ROUNDUP(totlen, bus->blocksize); - } - - /* Allocate/chain packet for next subframe */ - if ((pnext = PKTGET(osh, sublen + DHD_SDALIGN, FALSE)) == NULL) { - DHD_ERROR(("%s: PKTGET failed, num %d len %d\n", - __FUNCTION__, num, sublen)); - break; - } - ASSERT(!PKTLINK(pnext)); - if (!pfirst) { - ASSERT(!plast); - pfirst = plast = pnext; - } else { - ASSERT(plast); - PKTSETNEXT(osh, plast, pnext); - plast = pnext; - } - - /* Adhere to start alignment requirements */ - PKTALIGN(osh, pnext, sublen, DHD_SDALIGN); - } - - /* If all allocations succeeded, save packet chain in bus structure */ - if (pnext) { - DHD_GLOM(("%s: allocated %d-byte packet chain for %d subframes\n", - __FUNCTION__, totlen, num)); - if (DHD_GLOM_ON() && bus->nextlen) { - if (totlen != bus->nextlen) { - DHD_GLOM(("%s: glomdesc mismatch: nextlen %d glomdesc %d " - "rxseq %d\n", __FUNCTION__, bus->nextlen, - totlen, rxseq)); - } - } - bus->glom = pfirst; - pfirst = pnext = NULL; - } else { - if (pfirst) - PKTFREE(osh, pfirst, FALSE); - bus->glom = NULL; - num = 0; - } - - /* Done with descriptor packet */ - PKTFREE(osh, bus->glomd, FALSE); - bus->glomd = NULL; - bus->nextlen = 0; - - dhd_os_sdunlock_rxq(bus->dhd); - } - - /* Ok -- either we just generated a packet chain, or had one from before */ - if (bus->glom) { - if (DHD_GLOM_ON()) { - DHD_GLOM(("%s: attempt superframe read, packet chain:\n", __FUNCTION__)); - for (pnext = bus->glom; pnext; pnext = PKTNEXT(osh, pnext)) { - DHD_GLOM((" %p: %p len 0x%04x (%d)\n", - pnext, (uint8*)PKTDATA(osh, pnext), - PKTLEN(osh, pnext), PKTLEN(osh, pnext))); - } - } - - pfirst = bus->glom; - dlen = (uint16)pkttotlen(osh, pfirst); - - /* Do an SDIO read for the superframe. Configurable iovar to - * read directly into the chained packet, or allocate a large - * packet and and copy into the chain. - */ - if (usechain) { - errcode = dhd_bcmsdh_recv_buf(bus, - bcmsdh_cur_sbwad(bus->sdh), SDIO_FUNC_2, - F2SYNC, (uint8*)PKTDATA(osh, pfirst), - dlen, pfirst, NULL, NULL); - } else if (bus->dataptr) { - errcode = dhd_bcmsdh_recv_buf(bus, - bcmsdh_cur_sbwad(bus->sdh), SDIO_FUNC_2, - F2SYNC, bus->dataptr, - dlen, NULL, NULL, NULL); - sublen = (uint16)pktfrombuf(osh, pfirst, 0, dlen, bus->dataptr); - if (sublen != dlen) { - DHD_ERROR(("%s: FAILED TO COPY, dlen %d sublen %d\n", - __FUNCTION__, dlen, sublen)); - errcode = -1; - } - pnext = NULL; - } else { - DHD_ERROR(("COULDN'T ALLOC %d-BYTE GLOM, FORCE FAILURE\n", dlen)); - errcode = -1; - } - bus->f2rxdata++; - ASSERT(errcode != BCME_PENDING); - - /* On failure, kill the superframe, allow a couple retries */ - if (errcode < 0) { - DHD_ERROR(("%s: glom read of %d bytes failed: %d\n", - __FUNCTION__, dlen, errcode)); - bus->dhd->rx_errors++; - - if (bus->glomerr++ < 3) { - dhdsdio_rxfail(bus, TRUE, TRUE); - } else { - bus->glomerr = 0; - dhdsdio_rxfail(bus, TRUE, FALSE); - dhd_os_sdlock_rxq(bus->dhd); - PKTFREE(osh, bus->glom, FALSE); - dhd_os_sdunlock_rxq(bus->dhd); - bus->rxglomfail++; - bus->glom = NULL; - } - return 0; - } - -#ifdef DHD_DEBUG - if (DHD_GLOM_ON()) { - prhex("SUPERFRAME", PKTDATA(osh, pfirst), - MIN(PKTLEN(osh, pfirst), 48)); - } -#endif - - - /* Validate the superframe header */ - dptr = (uint8 *)PKTDATA(osh, pfirst); - sublen = ltoh16_ua(dptr); - check = ltoh16_ua(dptr + sizeof(uint16)); - - chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]); - seq = SDPCM_PACKET_SEQUENCE(&dptr[SDPCM_FRAMETAG_LEN]); - bus->nextlen = dptr[SDPCM_FRAMETAG_LEN + SDPCM_NEXTLEN_OFFSET]; - if ((bus->nextlen << 4) > MAX_RX_DATASZ) { - DHD_INFO(("%s: got frame w/nextlen too large (%d) seq %d\n", - __FUNCTION__, bus->nextlen, seq)); - bus->nextlen = 0; - } - doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); - txmax = SDPCM_WINDOW_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); - - errcode = 0; - if ((uint16)~(sublen^check)) { - DHD_ERROR(("%s (superframe): HW hdr error: len/check 0x%04x/0x%04x\n", - __FUNCTION__, sublen, check)); - errcode = -1; - } else if (ROUNDUP(sublen, bus->blocksize) != dlen) { - DHD_ERROR(("%s (superframe): len 0x%04x, rounded 0x%04x, expect 0x%04x\n", - __FUNCTION__, sublen, ROUNDUP(sublen, bus->blocksize), dlen)); - errcode = -1; - } else if (SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]) != SDPCM_GLOM_CHANNEL) { - DHD_ERROR(("%s (superframe): bad channel %d\n", __FUNCTION__, - SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]))); - errcode = -1; - } else if (SDPCM_GLOMDESC(&dptr[SDPCM_FRAMETAG_LEN])) { - DHD_ERROR(("%s (superframe): got second descriptor?\n", __FUNCTION__)); - errcode = -1; - } else if ((doff < SDPCM_HDRLEN_RX) || - (doff > (PKTLEN(osh, pfirst) - SDPCM_HDRLEN_RX))) { - DHD_ERROR(("%s (superframe): Bad data offset %d: HW %d pkt %d min %d\n", - __FUNCTION__, doff, sublen, PKTLEN(osh, pfirst), - SDPCM_HDRLEN_RX)); - errcode = -1; - } - - /* Check sequence number of superframe SW header */ - if (rxseq != seq) { - DHD_INFO(("%s: (superframe) rx_seq %d, expected %d\n", - __FUNCTION__, seq, rxseq)); - bus->rx_badseq++; - rxseq = seq; - } - - /* Check window for sanity */ - if ((uint8)(txmax - bus->tx_seq) > 0x40) { - DHD_ERROR(("%s: got unlikely tx max %d with tx_seq %d\n", - __FUNCTION__, txmax, bus->tx_seq)); - txmax = bus->tx_max; - } - bus->tx_max = txmax; - - /* Remove superframe header, remember offset */ - PKTPULL(osh, pfirst, doff); - sfdoff = doff; - - /* Validate all the subframe headers */ - for (num = 0, pnext = pfirst; pnext && !errcode; - num++, pnext = PKTNEXT(osh, pnext)) { - dptr = (uint8 *)PKTDATA(osh, pnext); - dlen = (uint16)PKTLEN(osh, pnext); - sublen = ltoh16_ua(dptr); - check = ltoh16_ua(dptr + sizeof(uint16)); - chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]); - doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); -#ifdef DHD_DEBUG - if (DHD_GLOM_ON()) { - prhex("subframe", dptr, 32); - } -#endif - - if ((uint16)~(sublen^check)) { - DHD_ERROR(("%s (subframe %d): HW hdr error: " - "len/check 0x%04x/0x%04x\n", - __FUNCTION__, num, sublen, check)); - errcode = -1; - } else if ((sublen > dlen) || (sublen < SDPCM_HDRLEN_RX)) { - DHD_ERROR(("%s (subframe %d): length mismatch: " - "len 0x%04x, expect 0x%04x\n", - __FUNCTION__, num, sublen, dlen)); - errcode = -1; - } else if ((chan != SDPCM_DATA_CHANNEL) && - (chan != SDPCM_EVENT_CHANNEL)) { - DHD_ERROR(("%s (subframe %d): bad channel %d\n", - __FUNCTION__, num, chan)); - errcode = -1; - } else if ((doff < SDPCM_HDRLEN_RX) || (doff > sublen)) { - DHD_ERROR(("%s (subframe %d): Bad data offset %d: HW %d min %d\n", - __FUNCTION__, num, doff, sublen, SDPCM_HDRLEN_RX)); - errcode = -1; - } - } - - if (errcode) { - /* Terminate frame on error, request a couple retries */ - if (bus->glomerr++ < 3) { - /* Restore superframe header space */ - PKTPUSH(osh, pfirst, sfdoff); - dhdsdio_rxfail(bus, TRUE, TRUE); - } else { - bus->glomerr = 0; - dhdsdio_rxfail(bus, TRUE, FALSE); - dhd_os_sdlock_rxq(bus->dhd); - PKTFREE(osh, bus->glom, FALSE); - dhd_os_sdunlock_rxq(bus->dhd); - bus->rxglomfail++; - bus->glom = NULL; - } - bus->nextlen = 0; - return 0; - } - - /* Basic SD framing looks ok - process each packet (header) */ - bus->glom = NULL; - plast = NULL; - - dhd_os_sdlock_rxq(bus->dhd); - for (num = 0; pfirst; rxseq++, pfirst = pnext) { - pnext = PKTNEXT(osh, pfirst); - PKTSETNEXT(osh, pfirst, NULL); - - dptr = (uint8 *)PKTDATA(osh, pfirst); - sublen = ltoh16_ua(dptr); - chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]); - seq = SDPCM_PACKET_SEQUENCE(&dptr[SDPCM_FRAMETAG_LEN]); - doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); - - DHD_GLOM(("%s: Get subframe %d, %p(%p/%d), sublen %d chan %d seq %d\n", - __FUNCTION__, num, pfirst, PKTDATA(osh, pfirst), - PKTLEN(osh, pfirst), sublen, chan, seq)); - - ASSERT((chan == SDPCM_DATA_CHANNEL) || (chan == SDPCM_EVENT_CHANNEL)); - - if (rxseq != seq) { - DHD_GLOM(("%s: rx_seq %d, expected %d\n", - __FUNCTION__, seq, rxseq)); - bus->rx_badseq++; - rxseq = seq; - } - -#ifdef DHD_DEBUG - if (DHD_BYTES_ON() && DHD_DATA_ON()) { - prhex("Rx Subframe Data", dptr, dlen); - } -#endif - - PKTSETLEN(osh, pfirst, sublen); - PKTPULL(osh, pfirst, doff); - - reorder_info_len = sizeof(reorder_info_buf); - - if (PKTLEN(osh, pfirst) == 0) { - PKTFREE(bus->dhd->osh, pfirst, FALSE); - continue; - } else if (dhd_prot_hdrpull(bus->dhd, &ifidx, pfirst, reorder_info_buf, - &reorder_info_len) != 0) { - DHD_ERROR(("%s: rx protocol error\n", __FUNCTION__)); - bus->dhd->rx_errors++; - PKTFREE(osh, pfirst, FALSE); - continue; - } - if (reorder_info_len) { - uint32 free_buf_count; - void *ppfirst; - - ppfirst = pfirst; - /* Reordering info from the firmware */ - dhd_process_pkt_reorder_info(bus->dhd, reorder_info_buf, - reorder_info_len, &ppfirst, &free_buf_count); - - if (free_buf_count == 0) { - continue; - } - else { - void *temp; - - /* go to the end of the chain and attach the pnext there */ - temp = ppfirst; - while (PKTNEXT(osh, temp) != NULL) { - temp = PKTNEXT(osh, temp); - } - pfirst = temp; - if (list_tail[ifidx] == NULL) { - list_head[ifidx] = ppfirst; - list_tail[ifidx] = pfirst; - } - else { - PKTSETNEXT(osh, list_tail[ifidx], ppfirst); - list_tail[ifidx] = pfirst; - } - } - - num += (uint8)free_buf_count; - } - else { - /* this packet will go up, link back into chain and count it */ - - if (list_tail[ifidx] == NULL) { - list_head[ifidx] = list_tail[ifidx] = pfirst; - } - else { - PKTSETNEXT(osh, list_tail[ifidx], pfirst); - list_tail[ifidx] = pfirst; - } - num++; - } -#ifdef DHD_DEBUG - if (DHD_GLOM_ON()) { - DHD_GLOM(("%s subframe %d to stack, %p(%p/%d) nxt/lnk %p/%p\n", - __FUNCTION__, num, pfirst, - PKTDATA(osh, pfirst), PKTLEN(osh, pfirst), - PKTNEXT(osh, pfirst), PKTLINK(pfirst))); - prhex("", (uint8 *)PKTDATA(osh, pfirst), - MIN(PKTLEN(osh, pfirst), 32)); - } -#endif /* DHD_DEBUG */ - } - dhd_os_sdunlock_rxq(bus->dhd); - - for (idx = 0; idx < DHD_MAX_IFS; idx++) { - if (list_head[idx]) { - void *temp; - uint8 cnt = 0; - temp = list_head[idx]; - do { - temp = PKTNEXT(osh, temp); - cnt++; - } while (temp); - if (cnt) { - dhd_os_sdunlock(bus->dhd); - dhd_rx_frame(bus->dhd, idx, list_head[idx], cnt, 0); - dhd_os_sdlock(bus->dhd); - } - } - } - bus->rxglomframes++; - bus->rxglompkts += num; - } - return num; -} - - -/* Return TRUE if there may be more frames to read */ -static uint -dhdsdio_readframes(dhd_bus_t *bus, uint maxframes, bool *finished) -{ - osl_t *osh = bus->dhd->osh; - bcmsdh_info_t *sdh = bus->sdh; - - uint16 len, check; /* Extracted hardware header fields */ - uint8 chan, seq, doff; /* Extracted software header fields */ - uint8 fcbits; /* Extracted fcbits from software header */ - uint8 delta; - - void *pkt; /* Packet for event or data frames */ - uint16 pad; /* Number of pad bytes to read */ - uint16 rdlen; /* Total number of bytes to read */ - uint8 rxseq; /* Next sequence number to expect */ - uint rxleft = 0; /* Remaining number of frames allowed */ - int sdret; /* Return code from bcmsdh calls */ - uint8 txmax; /* Maximum tx sequence offered */ - bool len_consistent; /* Result of comparing readahead len and len from hw-hdr */ - uint8 *rxbuf; - int ifidx = 0; - uint rxcount = 0; /* Total frames read */ - uchar reorder_info_buf[WLHOST_REORDERDATA_TOTLEN]; - uint reorder_info_len; - uint pkt_count; - -#if defined(DHD_DEBUG) || defined(SDTEST) - bool sdtest = FALSE; /* To limit message spew from test mode */ -#endif - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - bus->readframes = TRUE; - - if (!KSO_ENAB(bus)) { - DHD_ERROR(("%s: KSO off\n", __FUNCTION__)); - bus->readframes = FALSE; - return 0; - } - - ASSERT(maxframes); - -#ifdef SDTEST - /* Allow pktgen to override maxframes */ - if (bus->pktgen_count && (bus->pktgen_mode == DHD_PKTGEN_RECV)) { - maxframes = bus->pktgen_count; - sdtest = TRUE; - } -#endif - - /* Not finished unless we encounter no more frames indication */ - *finished = FALSE; - - - for (rxseq = bus->rx_seq, rxleft = maxframes; - !bus->rxskip && rxleft && bus->dhd->busstate != DHD_BUS_DOWN; - rxseq++, rxleft--) { - -#ifdef DHDTHREAD - /* tx more to improve rx performance */ - if ((bus->clkstate == CLK_AVAIL) && !bus->fcstate && - pktq_mlen(&bus->txq, ~bus->flowcontrol) && DATAOK(bus)) { - dhdsdio_sendfromq(bus, dhd_txbound); - } -#endif /* DHDTHREAD */ - - /* Handle glomming separately */ - if (bus->glom || bus->glomd) { - uint8 cnt; - DHD_GLOM(("%s: calling rxglom: glomd %p, glom %p\n", - __FUNCTION__, bus->glomd, bus->glom)); - cnt = dhdsdio_rxglom(bus, rxseq); - DHD_GLOM(("%s: rxglom returned %d\n", __FUNCTION__, cnt)); - rxseq += cnt - 1; - rxleft = (rxleft > cnt) ? (rxleft - cnt) : 1; - continue; - } - - /* Try doing single read if we can */ - if (dhd_readahead && bus->nextlen) { - uint16 nextlen = bus->nextlen; - bus->nextlen = 0; - - if (bus->bus == SPI_BUS) { - rdlen = len = nextlen; - } - else { - rdlen = len = nextlen << 4; - - /* Pad read to blocksize for efficiency */ - if (bus->roundup && bus->blocksize && (rdlen > bus->blocksize)) { - pad = bus->blocksize - (rdlen % bus->blocksize); - if ((pad <= bus->roundup) && (pad < bus->blocksize) && - ((rdlen + pad + firstread) < MAX_RX_DATASZ)) - rdlen += pad; - } else if (rdlen % DHD_SDALIGN) { - rdlen += DHD_SDALIGN - (rdlen % DHD_SDALIGN); - } - } - - /* We use bus->rxctl buffer in WinXP for initial control pkt receives. - * Later we use buffer-poll for data as well as control packets. - * This is required because dhd receives full frame in gSPI unlike SDIO. - * After the frame is received we have to distinguish whether it is data - * or non-data frame. - */ - /* Allocate a packet buffer */ - dhd_os_sdlock_rxq(bus->dhd); - if (!(pkt = PKTGET(osh, rdlen + DHD_SDALIGN, FALSE))) { - if (bus->bus == SPI_BUS) { - bus->usebufpool = FALSE; - bus->rxctl = bus->rxbuf; - if (dhd_alignctl) { - bus->rxctl += firstread; - if ((pad = ((uintptr)bus->rxctl % DHD_SDALIGN))) - bus->rxctl += (DHD_SDALIGN - pad); - bus->rxctl -= firstread; - } - ASSERT(bus->rxctl >= bus->rxbuf); - rxbuf = bus->rxctl; - /* Read the entire frame */ - sdret = dhd_bcmsdh_recv_buf(bus, - bcmsdh_cur_sbwad(sdh), - SDIO_FUNC_2, - F2SYNC, rxbuf, rdlen, - NULL, NULL, NULL); - bus->f2rxdata++; - ASSERT(sdret != BCME_PENDING); - - - /* Control frame failures need retransmission */ - if (sdret < 0) { - DHD_ERROR(("%s: read %d control bytes failed: %d\n", - __FUNCTION__, rdlen, sdret)); - /* dhd.rx_ctlerrs is higher level */ - bus->rxc_errors++; - dhd_os_sdunlock_rxq(bus->dhd); - dhdsdio_rxfail(bus, TRUE, - (bus->bus == SPI_BUS) ? FALSE : TRUE); - continue; - } - } else { - /* Give up on data, request rtx of events */ - DHD_ERROR(("%s (nextlen): PKTGET failed: len %d rdlen %d " - "expected rxseq %d\n", - __FUNCTION__, len, rdlen, rxseq)); - /* Just go try again w/normal header read */ - dhd_os_sdunlock_rxq(bus->dhd); - continue; - } - } else { - if (bus->bus == SPI_BUS) - bus->usebufpool = TRUE; - - ASSERT(!PKTLINK(pkt)); - PKTALIGN(osh, pkt, rdlen, DHD_SDALIGN); - rxbuf = (uint8 *)PKTDATA(osh, pkt); - /* Read the entire frame */ - sdret = dhd_bcmsdh_recv_buf(bus, bcmsdh_cur_sbwad(sdh), - SDIO_FUNC_2, - F2SYNC, rxbuf, rdlen, - pkt, NULL, NULL); - bus->f2rxdata++; - ASSERT(sdret != BCME_PENDING); - - if (sdret < 0) { - DHD_ERROR(("%s (nextlen): read %d bytes failed: %d\n", - __FUNCTION__, rdlen, sdret)); - PKTFREE(bus->dhd->osh, pkt, FALSE); - bus->dhd->rx_errors++; - dhd_os_sdunlock_rxq(bus->dhd); - /* Force retry w/normal header read. Don't attempt NAK for - * gSPI - */ - dhdsdio_rxfail(bus, TRUE, - (bus->bus == SPI_BUS) ? FALSE : TRUE); - continue; - } - } - dhd_os_sdunlock_rxq(bus->dhd); - - /* Now check the header */ - bcopy(rxbuf, bus->rxhdr, SDPCM_HDRLEN_RX); - - /* Extract hardware header fields */ - len = ltoh16_ua(bus->rxhdr); - check = ltoh16_ua(bus->rxhdr + sizeof(uint16)); - - /* All zeros means readahead info was bad */ - if (!(len|check)) { - DHD_INFO(("%s (nextlen): read zeros in HW header???\n", - __FUNCTION__)); - dhd_os_sdlock_rxq(bus->dhd); - PKTFREE2(); - dhd_os_sdunlock_rxq(bus->dhd); - GSPI_PR55150_BAILOUT; - continue; - } - - /* Validate check bytes */ - if ((uint16)~(len^check)) { - DHD_ERROR(("%s (nextlen): HW hdr error: nextlen/len/check" - " 0x%04x/0x%04x/0x%04x\n", __FUNCTION__, nextlen, - len, check)); - dhd_os_sdlock_rxq(bus->dhd); - PKTFREE2(); - dhd_os_sdunlock_rxq(bus->dhd); - bus->rx_badhdr++; - dhdsdio_rxfail(bus, FALSE, FALSE); - GSPI_PR55150_BAILOUT; - continue; - } - - /* Validate frame length */ - if (len < SDPCM_HDRLEN_RX) { - DHD_ERROR(("%s (nextlen): HW hdr length invalid: %d\n", - __FUNCTION__, len)); - dhd_os_sdlock_rxq(bus->dhd); - PKTFREE2(); - dhd_os_sdunlock_rxq(bus->dhd); - GSPI_PR55150_BAILOUT; - continue; - } - - /* Check for consistency with readahead info */ - len_consistent = (nextlen != (ROUNDUP(len, 16) >> 4)); - if (len_consistent) { - /* Mismatch, force retry w/normal header (may be >4K) */ - DHD_ERROR(("%s (nextlen): mismatch, nextlen %d len %d rnd %d; " - "expected rxseq %d\n", - __FUNCTION__, nextlen, len, ROUNDUP(len, 16), rxseq)); - dhd_os_sdlock_rxq(bus->dhd); - PKTFREE2(); - dhd_os_sdunlock_rxq(bus->dhd); - dhdsdio_rxfail(bus, TRUE, (bus->bus == SPI_BUS) ? FALSE : TRUE); - GSPI_PR55150_BAILOUT; - continue; - } - - - /* Extract software header fields */ - chan = SDPCM_PACKET_CHANNEL(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); - seq = SDPCM_PACKET_SEQUENCE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); - doff = SDPCM_DOFFSET_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); - txmax = SDPCM_WINDOW_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); - - bus->nextlen = - bus->rxhdr[SDPCM_FRAMETAG_LEN + SDPCM_NEXTLEN_OFFSET]; - if ((bus->nextlen << 4) > MAX_RX_DATASZ) { - DHD_INFO(("%s (nextlen): got frame w/nextlen too large" - " (%d), seq %d\n", __FUNCTION__, bus->nextlen, - seq)); - bus->nextlen = 0; - } - - bus->dhd->rx_readahead_cnt ++; - /* Handle Flow Control */ - fcbits = SDPCM_FCMASK_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); - - delta = 0; - if (~bus->flowcontrol & fcbits) { - bus->fc_xoff++; - delta = 1; - } - if (bus->flowcontrol & ~fcbits) { - bus->fc_xon++; - delta = 1; - } - - if (delta) { - bus->fc_rcvd++; - bus->flowcontrol = fcbits; - } - - /* Check and update sequence number */ - if (rxseq != seq) { - DHD_INFO(("%s (nextlen): rx_seq %d, expected %d\n", - __FUNCTION__, seq, rxseq)); - bus->rx_badseq++; - rxseq = seq; - } - - /* Check window for sanity */ - if ((uint8)(txmax - bus->tx_seq) > 0x40) { - DHD_ERROR(("%s: got unlikely tx max %d with tx_seq %d\n", - __FUNCTION__, txmax, bus->tx_seq)); - txmax = bus->tx_max; - } - bus->tx_max = txmax; - -#ifdef DHD_DEBUG - if (DHD_BYTES_ON() && DHD_DATA_ON()) { - prhex("Rx Data", rxbuf, len); - } else if (DHD_HDRS_ON()) { - prhex("RxHdr", bus->rxhdr, SDPCM_HDRLEN_RX); - } -#endif - - if (chan == SDPCM_CONTROL_CHANNEL) { - if (bus->bus == SPI_BUS) { - dhdsdio_read_control(bus, rxbuf, len, doff); - if (bus->usebufpool) { - dhd_os_sdlock_rxq(bus->dhd); - PKTFREE(bus->dhd->osh, pkt, FALSE); - dhd_os_sdunlock_rxq(bus->dhd); - } - continue; - } else { - DHD_ERROR(("%s (nextlen): readahead on control" - " packet %d?\n", __FUNCTION__, seq)); - /* Force retry w/normal header read */ - bus->nextlen = 0; - dhdsdio_rxfail(bus, FALSE, TRUE); - dhd_os_sdlock_rxq(bus->dhd); - PKTFREE2(); - dhd_os_sdunlock_rxq(bus->dhd); - continue; - } - } - - if ((bus->bus == SPI_BUS) && !bus->usebufpool) { - DHD_ERROR(("Received %d bytes on %d channel. Running out of " - "rx pktbuf's or not yet malloced.\n", len, chan)); - continue; - } - - /* Validate data offset */ - if ((doff < SDPCM_HDRLEN_RX) || (doff > len)) { - DHD_ERROR(("%s (nextlen): bad data offset %d: HW len %d min %d\n", - __FUNCTION__, doff, len, SDPCM_HDRLEN_RX)); - dhd_os_sdlock_rxq(bus->dhd); - PKTFREE2(); - dhd_os_sdunlock_rxq(bus->dhd); - ASSERT(0); - dhdsdio_rxfail(bus, FALSE, FALSE); - continue; - } - - /* All done with this one -- now deliver the packet */ - goto deliver; - } - /* gSPI frames should not be handled in fractions */ - if (bus->bus == SPI_BUS) { - break; - } - - /* Read frame header (hardware and software) */ - sdret = dhd_bcmsdh_recv_buf(bus, bcmsdh_cur_sbwad(sdh), SDIO_FUNC_2, F2SYNC, - bus->rxhdr, firstread, NULL, NULL, NULL); - bus->f2rxhdrs++; - ASSERT(sdret != BCME_PENDING); - - if (sdret < 0) { - DHD_ERROR(("%s: RXHEADER FAILED: %d\n", __FUNCTION__, sdret)); - bus->rx_hdrfail++; - dhdsdio_rxfail(bus, TRUE, TRUE); - continue; - } - -#ifdef DHD_DEBUG - if (DHD_BYTES_ON() || DHD_HDRS_ON()) { - prhex("RxHdr", bus->rxhdr, SDPCM_HDRLEN_RX); - } -#endif - - /* Extract hardware header fields */ - len = ltoh16_ua(bus->rxhdr); - check = ltoh16_ua(bus->rxhdr + sizeof(uint16)); - - /* All zeros means no more frames */ - if (!(len|check)) { - *finished = TRUE; - break; - } - - /* Validate check bytes */ - if ((uint16)~(len^check)) { - DHD_ERROR(("%s: HW hdr error: len/check 0x%04x/0x%04x\n", - __FUNCTION__, len, check)); - bus->rx_badhdr++; - dhdsdio_rxfail(bus, FALSE, FALSE); - continue; - } - - /* Validate frame length */ - if (len < SDPCM_HDRLEN_RX) { - DHD_ERROR(("%s: HW hdr length invalid: %d\n", __FUNCTION__, len)); - continue; - } - - /* Extract software header fields */ - chan = SDPCM_PACKET_CHANNEL(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); - seq = SDPCM_PACKET_SEQUENCE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); - doff = SDPCM_DOFFSET_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); - txmax = SDPCM_WINDOW_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); - - /* Validate data offset */ - if ((doff < SDPCM_HDRLEN_RX) || (doff > len)) { - DHD_ERROR(("%s: Bad data offset %d: HW len %d, min %d seq %d\n", - __FUNCTION__, doff, len, SDPCM_HDRLEN_RX, seq)); - bus->rx_badhdr++; - ASSERT(0); - dhdsdio_rxfail(bus, FALSE, FALSE); - continue; - } - - /* Save the readahead length if there is one */ - bus->nextlen = bus->rxhdr[SDPCM_FRAMETAG_LEN + SDPCM_NEXTLEN_OFFSET]; - if ((bus->nextlen << 4) > MAX_RX_DATASZ) { - DHD_INFO(("%s (nextlen): got frame w/nextlen too large (%d), seq %d\n", - __FUNCTION__, bus->nextlen, seq)); - bus->nextlen = 0; - } - - /* Handle Flow Control */ - fcbits = SDPCM_FCMASK_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); - - delta = 0; - if (~bus->flowcontrol & fcbits) { - bus->fc_xoff++; - delta = 1; - } - if (bus->flowcontrol & ~fcbits) { - bus->fc_xon++; - delta = 1; - } - - if (delta) { - bus->fc_rcvd++; - bus->flowcontrol = fcbits; - } - - /* Check and update sequence number */ - if (rxseq != seq) { - DHD_INFO(("%s: rx_seq %d, expected %d\n", __FUNCTION__, seq, rxseq)); - bus->rx_badseq++; - rxseq = seq; - } - - /* Check window for sanity */ - if ((uint8)(txmax - bus->tx_seq) > 0x40) { - DHD_ERROR(("%s: got unlikely tx max %d with tx_seq %d\n", - __FUNCTION__, txmax, bus->tx_seq)); - txmax = bus->tx_max; - } - bus->tx_max = txmax; - - /* Call a separate function for control frames */ - if (chan == SDPCM_CONTROL_CHANNEL) { - dhdsdio_read_control(bus, bus->rxhdr, len, doff); - continue; - } - - ASSERT((chan == SDPCM_DATA_CHANNEL) || (chan == SDPCM_EVENT_CHANNEL) || - (chan == SDPCM_TEST_CHANNEL) || (chan == SDPCM_GLOM_CHANNEL)); - - /* Length to read */ - rdlen = (len > firstread) ? (len - firstread) : 0; - - /* May pad read to blocksize for efficiency */ - if (bus->roundup && bus->blocksize && (rdlen > bus->blocksize)) { - pad = bus->blocksize - (rdlen % bus->blocksize); - if ((pad <= bus->roundup) && (pad < bus->blocksize) && - ((rdlen + pad + firstread) < MAX_RX_DATASZ)) - rdlen += pad; - } else if (rdlen % DHD_SDALIGN) { - rdlen += DHD_SDALIGN - (rdlen % DHD_SDALIGN); - } - - /* Satisfy length-alignment requirements */ - if (forcealign && (rdlen & (ALIGNMENT - 1))) - rdlen = ROUNDUP(rdlen, ALIGNMENT); - - if ((rdlen + firstread) > MAX_RX_DATASZ) { - /* Too long -- skip this frame */ - DHD_ERROR(("%s: too long: len %d rdlen %d\n", __FUNCTION__, len, rdlen)); - bus->dhd->rx_errors++; bus->rx_toolong++; - dhdsdio_rxfail(bus, FALSE, FALSE); - continue; - } - - dhd_os_sdlock_rxq(bus->dhd); - if (!(pkt = PKTGET(osh, (rdlen + firstread + DHD_SDALIGN), FALSE))) { - /* Give up on data, request rtx of events */ - DHD_ERROR(("%s: PKTGET failed: rdlen %d chan %d\n", - __FUNCTION__, rdlen, chan)); - bus->dhd->rx_dropped++; - dhd_os_sdunlock_rxq(bus->dhd); - dhdsdio_rxfail(bus, FALSE, RETRYCHAN(chan)); - continue; - } - dhd_os_sdunlock_rxq(bus->dhd); - - ASSERT(!PKTLINK(pkt)); - - /* Leave room for what we already read, and align remainder */ - ASSERT(firstread < (PKTLEN(osh, pkt))); - PKTPULL(osh, pkt, firstread); - PKTALIGN(osh, pkt, rdlen, DHD_SDALIGN); - - /* Read the remaining frame data */ - sdret = dhd_bcmsdh_recv_buf(bus, bcmsdh_cur_sbwad(sdh), SDIO_FUNC_2, F2SYNC, - ((uint8 *)PKTDATA(osh, pkt)), rdlen, pkt, NULL, NULL); - bus->f2rxdata++; - ASSERT(sdret != BCME_PENDING); - - if (sdret < 0) { - DHD_ERROR(("%s: read %d %s bytes failed: %d\n", __FUNCTION__, rdlen, - ((chan == SDPCM_EVENT_CHANNEL) ? "event" : - ((chan == SDPCM_DATA_CHANNEL) ? "data" : "test")), sdret)); - dhd_os_sdlock_rxq(bus->dhd); - PKTFREE(bus->dhd->osh, pkt, FALSE); - dhd_os_sdunlock_rxq(bus->dhd); - bus->dhd->rx_errors++; - dhdsdio_rxfail(bus, TRUE, RETRYCHAN(chan)); - continue; - } - - /* Copy the already-read portion */ - PKTPUSH(osh, pkt, firstread); - bcopy(bus->rxhdr, PKTDATA(osh, pkt), firstread); - -#ifdef DHD_DEBUG - if (DHD_BYTES_ON() && DHD_DATA_ON()) { - prhex("Rx Data", PKTDATA(osh, pkt), len); - } -#endif - -deliver: - /* Save superframe descriptor and allocate packet frame */ - if (chan == SDPCM_GLOM_CHANNEL) { - if (SDPCM_GLOMDESC(&bus->rxhdr[SDPCM_FRAMETAG_LEN])) { - DHD_GLOM(("%s: got glom descriptor, %d bytes:\n", - __FUNCTION__, len)); -#ifdef DHD_DEBUG - if (DHD_GLOM_ON()) { - prhex("Glom Data", PKTDATA(osh, pkt), len); - } -#endif - PKTSETLEN(osh, pkt, len); - ASSERT(doff == SDPCM_HDRLEN_RX); - PKTPULL(osh, pkt, SDPCM_HDRLEN_RX); - bus->glomd = pkt; - } else { - DHD_ERROR(("%s: glom superframe w/o descriptor!\n", __FUNCTION__)); - dhdsdio_rxfail(bus, FALSE, FALSE); - } - continue; - } - - /* Fill in packet len and prio, deliver upward */ - PKTSETLEN(osh, pkt, len); - PKTPULL(osh, pkt, doff); - -#ifdef SDTEST - /* Test channel packets are processed separately */ - if (chan == SDPCM_TEST_CHANNEL) { - dhdsdio_testrcv(bus, pkt, seq); - continue; - } -#endif /* SDTEST */ - - if (PKTLEN(osh, pkt) == 0) { - dhd_os_sdlock_rxq(bus->dhd); - PKTFREE(bus->dhd->osh, pkt, FALSE); - dhd_os_sdunlock_rxq(bus->dhd); - continue; - } else if (dhd_prot_hdrpull(bus->dhd, &ifidx, pkt, reorder_info_buf, - &reorder_info_len) != 0) { - DHD_ERROR(("%s: rx protocol error\n", __FUNCTION__)); - dhd_os_sdlock_rxq(bus->dhd); - PKTFREE(bus->dhd->osh, pkt, FALSE); - dhd_os_sdunlock_rxq(bus->dhd); - bus->dhd->rx_errors++; - continue; - } - if (reorder_info_len) { - /* Reordering info from the firmware */ - dhd_process_pkt_reorder_info(bus->dhd, reorder_info_buf, reorder_info_len, - &pkt, &pkt_count); - if (pkt_count == 0) - continue; - } - else - pkt_count = 1; - - - /* Unlock during rx call */ - dhd_os_sdunlock(bus->dhd); - dhd_rx_frame(bus->dhd, ifidx, pkt, pkt_count, chan); - dhd_os_sdlock(bus->dhd); - } - rxcount = maxframes - rxleft; -#ifdef DHD_DEBUG - /* Message if we hit the limit */ - if (!rxleft && !sdtest) - DHD_DATA(("%s: hit rx limit of %d frames\n", __FUNCTION__, maxframes)); - else -#endif /* DHD_DEBUG */ - DHD_DATA(("%s: processed %d frames\n", __FUNCTION__, rxcount)); - /* Back off rxseq if awaiting rtx, update rx_seq */ - if (bus->rxskip) - rxseq--; - bus->rx_seq = rxseq; - - if (bus->reqbussleep) - { - dhdsdio_bussleep(bus, TRUE); - bus->reqbussleep = FALSE; - } - bus->readframes = FALSE; - - return rxcount; -} - -static uint32 -dhdsdio_hostmail(dhd_bus_t *bus) -{ - sdpcmd_regs_t *regs = bus->regs; - uint32 intstatus = 0; - uint32 hmb_data; - uint8 fcbits; - uint retries = 0; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - /* Read mailbox data and ack that we did so */ - R_SDREG(hmb_data, ®s->tohostmailboxdata, retries); - if (retries <= retry_limit) - W_SDREG(SMB_INT_ACK, ®s->tosbmailbox, retries); - bus->f1regdata += 2; - - /* Dongle recomposed rx frames, accept them again */ - if (hmb_data & HMB_DATA_NAKHANDLED) { - DHD_INFO(("Dongle reports NAK handled, expect rtx of %d\n", bus->rx_seq)); - if (!bus->rxskip) { - DHD_ERROR(("%s: unexpected NAKHANDLED!\n", __FUNCTION__)); - } - bus->rxskip = FALSE; - intstatus |= FRAME_AVAIL_MASK(bus); - } - - /* - * DEVREADY does not occur with gSPI. - */ - if (hmb_data & (HMB_DATA_DEVREADY | HMB_DATA_FWREADY)) { - bus->sdpcm_ver = (hmb_data & HMB_DATA_VERSION_MASK) >> HMB_DATA_VERSION_SHIFT; - if (bus->sdpcm_ver != SDPCM_PROT_VERSION) - DHD_ERROR(("Version mismatch, dongle reports %d, expecting %d\n", - bus->sdpcm_ver, SDPCM_PROT_VERSION)); - else - DHD_INFO(("Dongle ready, protocol version %d\n", bus->sdpcm_ver)); - /* make sure for the SDIO_DEVICE_RXDATAINT_MODE_1 corecontrol is proper */ - if ((bus->sih->buscoretype == SDIOD_CORE_ID) && (bus->sdpcmrev >= 4) && - (bus->rxint_mode == SDIO_DEVICE_RXDATAINT_MODE_1)) { - uint32 val; - - val = R_REG(bus->dhd->osh, &bus->regs->corecontrol); - val &= ~CC_XMTDATAAVAIL_MODE; - val |= CC_XMTDATAAVAIL_CTRL; - W_REG(bus->dhd->osh, &bus->regs->corecontrol, val); - - val = R_REG(bus->dhd->osh, &bus->regs->corecontrol); - } - -#ifdef DHD_DEBUG - /* Retrieve console state address now that firmware should have updated it */ - { - sdpcm_shared_t shared; - if (dhdsdio_readshared(bus, &shared) == 0) - bus->console_addr = shared.console_addr; - } -#endif /* DHD_DEBUG */ - } - - /* - * Flow Control has been moved into the RX headers and this out of band - * method isn't used any more. Leave this here for possibly remaining backward - * compatible with older dongles - */ - if (hmb_data & HMB_DATA_FC) { - fcbits = (hmb_data & HMB_DATA_FCDATA_MASK) >> HMB_DATA_FCDATA_SHIFT; - - if (fcbits & ~bus->flowcontrol) - bus->fc_xoff++; - if (bus->flowcontrol & ~fcbits) - bus->fc_xon++; - - bus->fc_rcvd++; - bus->flowcontrol = fcbits; - } - -#ifdef DHD_DEBUG - /* At least print a message if FW halted */ - if (hmb_data & HMB_DATA_FWHALT) { - DHD_ERROR(("INTERNAL ERROR: FIRMWARE HALTED\n")); - dhdsdio_checkdied(bus, NULL, 0); - bus->dhd->busstate = DHD_BUS_DOWN; - } -#endif /* DHD_DEBUG */ - - /* Shouldn't be any others */ - if (hmb_data & ~(HMB_DATA_DEVREADY | - HMB_DATA_FWHALT | - HMB_DATA_NAKHANDLED | - HMB_DATA_FC | - HMB_DATA_FWREADY | - HMB_DATA_FCDATA_MASK | - HMB_DATA_VERSION_MASK)) { - DHD_ERROR(("Unknown mailbox data content: 0x%02x\n", hmb_data)); - } - - return intstatus; -} - -static bool -dhdsdio_dpc(dhd_bus_t *bus) -{ - bcmsdh_info_t *sdh = bus->sdh; - sdpcmd_regs_t *regs = bus->regs; - uint32 intstatus, newstatus = 0; - uint retries = 0; - uint rxlimit = dhd_rxbound; /* Rx frames to read before resched */ - uint txlimit = dhd_txbound; /* Tx frames to send before resched */ - uint framecnt = 0; /* Temporary counter of tx/rx frames */ - bool rxdone = TRUE; /* Flag for no more read data */ - bool resched = FALSE; /* Flag indicating resched wanted */ - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - if (bus->dhd->busstate == DHD_BUS_DOWN) { - DHD_ERROR(("%s: Bus down, ret\n", __FUNCTION__)); - bus->intstatus = 0; - return 0; - } - - /* Start with leftover status bits */ - intstatus = bus->intstatus; - - dhd_os_sdlock(bus->dhd); - - if (!SLPAUTO_ENAB(bus) && !KSO_ENAB(bus)) { - DHD_ERROR(("%s: Device asleep\n", __FUNCTION__)); - goto exit; - } - - /* If waiting for HTAVAIL, check status */ - if (!SLPAUTO_ENAB(bus) && (bus->clkstate == CLK_PENDING)) { - int err; - uint8 clkctl, devctl = 0; - -#ifdef DHD_DEBUG - /* Check for inconsistent device control */ - devctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, &err); - if (err) { - DHD_ERROR(("%s: error reading DEVCTL: %d\n", __FUNCTION__, err)); - bus->dhd->busstate = DHD_BUS_DOWN; - } else { - ASSERT(devctl & SBSDIO_DEVCTL_CA_INT_ONLY); - } -#endif /* DHD_DEBUG */ - - /* Read CSR, if clock on switch to AVAIL, else ignore */ - clkctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, &err); - if (err) { - DHD_ERROR(("%s: error reading CSR: %d\n", __FUNCTION__, err)); - bus->dhd->busstate = DHD_BUS_DOWN; - } - - DHD_INFO(("DPC: PENDING, devctl 0x%02x clkctl 0x%02x\n", devctl, clkctl)); - - if (SBSDIO_HTAV(clkctl)) { - devctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, &err); - if (err) { - DHD_ERROR(("%s: error reading DEVCTL: %d\n", - __FUNCTION__, err)); - bus->dhd->busstate = DHD_BUS_DOWN; - } - devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, devctl, &err); - if (err) { - DHD_ERROR(("%s: error writing DEVCTL: %d\n", - __FUNCTION__, err)); - bus->dhd->busstate = DHD_BUS_DOWN; - } - bus->clkstate = CLK_AVAIL; - } else { - goto clkwait; - } - } - - BUS_WAKE(bus); - - /* Make sure backplane clock is on */ - dhdsdio_clkctl(bus, CLK_AVAIL, TRUE); - if (bus->clkstate != CLK_AVAIL) - goto clkwait; - - /* Pending interrupt indicates new device status */ - if (bus->ipend) { - bus->ipend = FALSE; - R_SDREG(newstatus, ®s->intstatus, retries); - bus->f1regdata++; - if (bcmsdh_regfail(bus->sdh)) - newstatus = 0; - newstatus &= bus->hostintmask; - bus->fcstate = !!(newstatus & I_HMB_FC_STATE); - if (newstatus) { - bus->f1regdata++; - if ((bus->rxint_mode == SDIO_DEVICE_RXDATAINT_MODE_0) && - (newstatus == I_XMTDATA_AVAIL)) { - } - else - W_SDREG(newstatus, ®s->intstatus, retries); - } - } - - /* Merge new bits with previous */ - intstatus |= newstatus; - bus->intstatus = 0; - - /* Handle flow-control change: read new state in case our ack - * crossed another change interrupt. If change still set, assume - * FC ON for safety, let next loop through do the debounce. - */ - if (intstatus & I_HMB_FC_CHANGE) { - intstatus &= ~I_HMB_FC_CHANGE; - W_SDREG(I_HMB_FC_CHANGE, ®s->intstatus, retries); - R_SDREG(newstatus, ®s->intstatus, retries); - bus->f1regdata += 2; - bus->fcstate = !!(newstatus & (I_HMB_FC_STATE | I_HMB_FC_CHANGE)); - intstatus |= (newstatus & bus->hostintmask); - } - - /* Just being here means nothing more to do for chipactive */ - if (intstatus & I_CHIPACTIVE) { - /* ASSERT(bus->clkstate == CLK_AVAIL); */ - intstatus &= ~I_CHIPACTIVE; - } - - /* Handle host mailbox indication */ - if (intstatus & I_HMB_HOST_INT) { - intstatus &= ~I_HMB_HOST_INT; - intstatus |= dhdsdio_hostmail(bus); - } - - /* Generally don't ask for these, can get CRC errors... */ - if (intstatus & I_WR_OOSYNC) { - DHD_ERROR(("Dongle reports WR_OOSYNC\n")); - intstatus &= ~I_WR_OOSYNC; - } - - if (intstatus & I_RD_OOSYNC) { - DHD_ERROR(("Dongle reports RD_OOSYNC\n")); - intstatus &= ~I_RD_OOSYNC; - } - - if (intstatus & I_SBINT) { - DHD_ERROR(("Dongle reports SBINT\n")); - intstatus &= ~I_SBINT; - } - - /* Would be active due to wake-wlan in gSPI */ - if (intstatus & I_CHIPACTIVE) { - DHD_INFO(("Dongle reports CHIPACTIVE\n")); - intstatus &= ~I_CHIPACTIVE; - } - - /* Ignore frame indications if rxskip is set */ - if (bus->rxskip) { - intstatus &= ~FRAME_AVAIL_MASK(bus); - } - - /* On frame indication, read available frames */ - if (PKT_AVAILABLE(bus, intstatus)) { - framecnt = dhdsdio_readframes(bus, rxlimit, &rxdone); - if (rxdone || bus->rxskip) - intstatus &= ~FRAME_AVAIL_MASK(bus); - rxlimit -= MIN(framecnt, rxlimit); - } - - /* Keep still-pending events for next scheduling */ - bus->intstatus = intstatus; - -clkwait: - /* Re-enable interrupts to detect new device events (mailbox, rx frame) - * or clock availability. (Allows tx loop to check ipend if desired.) - * (Unless register access seems hosed, as we may not be able to ACK...) - */ - if (bus->intr && bus->intdis && !bcmsdh_regfail(sdh)) { - DHD_INTR(("%s: enable SDIO interrupts, rxdone %d framecnt %d\n", - __FUNCTION__, rxdone, framecnt)); - bus->intdis = FALSE; -#if defined(OOB_INTR_ONLY) - bcmsdh_oob_intr_set(1); -#endif /* defined(OOB_INTR_ONLY) */ - bcmsdh_intr_enable(sdh); - } - -#if defined(OOB_INTR_ONLY) && !defined(HW_OOB) - /* In case of SW-OOB(using edge trigger), - * Check interrupt status in the dongle again after enable irq on the host. - * and rechedule dpc if interrupt is pended in the dongle. - * There is a chance to miss OOB interrupt while irq is disabled on the host. - * No need to do this with HW-OOB(level trigger) - */ - R_SDREG(newstatus, ®s->intstatus, retries); - if (bcmsdh_regfail(bus->sdh)) - newstatus = 0; - if (newstatus & bus->hostintmask) { - bus->ipend = TRUE; - resched = TRUE; - } -#endif /* defined(OOB_INTR_ONLY) && !defined(HW_OOB) */ - - if (TXCTLOK(bus) && bus->ctrl_frame_stat && (bus->clkstate == CLK_AVAIL)) { - int ret, i; - - uint8* frame_seq = bus->ctrl_frame_buf + SDPCM_FRAMETAG_LEN; - - if (*frame_seq != bus->tx_seq) { - DHD_INFO(("%s IOCTL frame seq lag detected!" - " frm_seq:%d != bus->tx_seq:%d, corrected\n", - __FUNCTION__, *frame_seq, bus->tx_seq)); - *frame_seq = bus->tx_seq; - } - - ret = dhd_bcmsdh_send_buf(bus, bcmsdh_cur_sbwad(sdh), SDIO_FUNC_2, F2SYNC, - (uint8 *)bus->ctrl_frame_buf, (uint32)bus->ctrl_frame_len, - NULL, NULL, NULL); - ASSERT(ret != BCME_PENDING); - if (ret == BCME_NODEVICE) { - DHD_ERROR(("%s: Device asleep already\n", __FUNCTION__)); - } else if (ret < 0) { - /* On failure, abort the command and terminate the frame */ - DHD_INFO(("%s: sdio error %d, abort command and terminate frame.\n", - __FUNCTION__, ret)); - bus->tx_sderrs++; - - bcmsdh_abort(sdh, SDIO_FUNC_2); - - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_FRAMECTRL, - SFC_WF_TERM, NULL); - bus->f1regdata++; - - for (i = 0; i < 3; i++) { - uint8 hi, lo; - hi = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_WFRAMEBCHI, NULL); - lo = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_WFRAMEBCLO, NULL); - bus->f1regdata += 2; - if ((hi == 0) && (lo == 0)) - break; - } - } - if (ret == 0) { - bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP; - } - - bus->ctrl_frame_stat = FALSE; - dhd_wait_event_wakeup(bus->dhd); - } - /* Send queued frames (limit 1 if rx may still be pending) */ - else if ((bus->clkstate == CLK_AVAIL) && !bus->fcstate && - pktq_mlen(&bus->txq, ~bus->flowcontrol) && txlimit && DATAOK(bus)) { - framecnt = rxdone ? txlimit : MIN(txlimit, dhd_txminmax); - framecnt = dhdsdio_sendfromq(bus, framecnt); - txlimit -= framecnt; - } - /* Resched the DPC if ctrl cmd is pending on bus credit */ - if (bus->ctrl_frame_stat) - resched = TRUE; - - /* Resched if events or tx frames are pending, else await next interrupt */ - /* On failed register access, all bets are off: no resched or interrupts */ - if ((bus->dhd->busstate == DHD_BUS_DOWN) || bcmsdh_regfail(sdh)) { - if ((bus->sih && bus->sih->buscorerev >= 12) && !(dhdsdio_sleepcsr_get(bus) & - SBSDIO_FUNC1_SLEEPCSR_KSO_MASK)) { - /* Bus failed because of KSO */ - DHD_ERROR(("%s: Bus failed due to KSO\n", __FUNCTION__)); - bus->kso = FALSE; - } else { - DHD_ERROR(("%s: failed backplane access over SDIO, halting operation\n", - __FUNCTION__)); - bus->dhd->busstate = DHD_BUS_DOWN; - bus->intstatus = 0; - } - } else if (bus->clkstate == CLK_PENDING) { - /* Awaiting I_CHIPACTIVE; don't resched */ - } else if (bus->intstatus || bus->ipend || - (!bus->fcstate && pktq_mlen(&bus->txq, ~bus->flowcontrol) && DATAOK(bus)) || - PKT_AVAILABLE(bus, bus->intstatus)) { /* Read multiple frames */ - resched = TRUE; - } - - bus->dpc_sched = resched; - - /* If we're done for now, turn off clock request. */ - if ((bus->idletime == DHD_IDLE_IMMEDIATE) && (bus->clkstate != CLK_PENDING)) { - bus->activity = FALSE; - dhdsdio_clkctl(bus, CLK_NONE, FALSE); - } - -exit: - dhd_os_sdunlock(bus->dhd); - return resched; -} - -bool -dhd_bus_dpc(struct dhd_bus *bus) -{ - bool resched; - - /* Call the DPC directly. */ - DHD_TRACE(("Calling dhdsdio_dpc() from %s\n", __FUNCTION__)); - resched = dhdsdio_dpc(bus); - - return resched; -} - -void -dhdsdio_isr(void *arg) -{ - dhd_bus_t *bus = (dhd_bus_t*)arg; - bcmsdh_info_t *sdh; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - if (!bus) { - DHD_ERROR(("%s : bus is null pointer , exit \n", __FUNCTION__)); - return; - } - sdh = bus->sdh; - - if (bus->dhd->busstate == DHD_BUS_DOWN) { - DHD_ERROR(("%s : bus is down. we have nothing to do\n", __FUNCTION__)); - return; - } - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - /* Count the interrupt call */ - bus->intrcount++; - bus->ipend = TRUE; - - /* Shouldn't get this interrupt if we're sleeping? */ - if (!SLPAUTO_ENAB(bus)) { - if (bus->sleeping) { - DHD_ERROR(("INTERRUPT WHILE SLEEPING??\n")); - return; - } else if (!KSO_ENAB(bus)) { - DHD_ERROR(("ISR in devsleep 1\n")); - } - } - - /* Disable additional interrupts (is this needed now)? */ - if (bus->intr) { - DHD_INTR(("%s: disable SDIO interrupts\n", __FUNCTION__)); - } else { - DHD_ERROR(("dhdsdio_isr() w/o interrupt configured!\n")); - } - - bcmsdh_intr_disable(sdh); - bus->intdis = TRUE; - -#if defined(SDIO_ISR_THREAD) - DHD_TRACE(("Calling dhdsdio_dpc() from %s\n", __FUNCTION__)); - DHD_OS_WAKE_LOCK(bus->dhd); - while (dhdsdio_dpc(bus)); - DHD_OS_WAKE_UNLOCK(bus->dhd); -#else - bus->dpc_sched = TRUE; - dhd_sched_dpc(bus->dhd); -#endif - -} - -#ifdef SDTEST -static void -dhdsdio_pktgen_init(dhd_bus_t *bus) -{ - /* Default to specified length, or full range */ - if (dhd_pktgen_len) { - bus->pktgen_maxlen = MIN(dhd_pktgen_len, MAX_PKTGEN_LEN); - bus->pktgen_minlen = bus->pktgen_maxlen; - } else { - bus->pktgen_maxlen = MAX_PKTGEN_LEN; - bus->pktgen_minlen = 0; - } - bus->pktgen_len = (uint16)bus->pktgen_minlen; - - /* Default to per-watchdog burst with 10s print time */ - bus->pktgen_freq = 1; - bus->pktgen_print = dhd_watchdog_ms ? (10000/dhd_watchdog_ms):0; - bus->pktgen_count = (dhd_pktgen * dhd_watchdog_ms + 999) / 1000; - - /* Default to echo mode */ - bus->pktgen_mode = DHD_PKTGEN_ECHO; - bus->pktgen_stop = 1; -} - -static void -dhdsdio_pktgen(dhd_bus_t *bus) -{ - void *pkt; - uint8 *data; - uint pktcount; - uint fillbyte; - osl_t *osh = bus->dhd->osh; - uint16 len; - - /* Display current count if appropriate */ - if (bus->pktgen_print && (++bus->pktgen_ptick >= bus->pktgen_print)) { - bus->pktgen_ptick = 0; - printf("%s: send attempts %d rcvd %d\n", - __FUNCTION__, bus->pktgen_sent, bus->pktgen_rcvd); - } - - /* For recv mode, just make sure dongle has started sending */ - if (bus->pktgen_mode == DHD_PKTGEN_RECV) { - if (bus->pktgen_rcv_state == PKTGEN_RCV_IDLE) { - bus->pktgen_rcv_state = PKTGEN_RCV_ONGOING; - dhdsdio_sdtest_set(bus, (uint8)bus->pktgen_total); - } - return; - } - - /* Otherwise, generate or request the specified number of packets */ - for (pktcount = 0; pktcount < bus->pktgen_count; pktcount++) { - /* Stop if total has been reached */ - if (bus->pktgen_total && (bus->pktgen_sent >= bus->pktgen_total)) { - bus->pktgen_count = 0; - break; - } - - /* Allocate an appropriate-sized packet */ - len = bus->pktgen_len; - if (!(pkt = PKTGET(osh, (len + SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + DHD_SDALIGN), - TRUE))) {; - DHD_ERROR(("%s: PKTGET failed!\n", __FUNCTION__)); - break; - } - PKTALIGN(osh, pkt, (len + SDPCM_HDRLEN + SDPCM_TEST_HDRLEN), DHD_SDALIGN); - data = (uint8*)PKTDATA(osh, pkt) + SDPCM_HDRLEN; - - /* Write test header cmd and extra based on mode */ - switch (bus->pktgen_mode) { - case DHD_PKTGEN_ECHO: - *data++ = SDPCM_TEST_ECHOREQ; - *data++ = (uint8)bus->pktgen_sent; - break; - - case DHD_PKTGEN_SEND: - *data++ = SDPCM_TEST_DISCARD; - *data++ = (uint8)bus->pktgen_sent; - break; - - case DHD_PKTGEN_RXBURST: - *data++ = SDPCM_TEST_BURST; - *data++ = (uint8)bus->pktgen_count; - break; - - default: - DHD_ERROR(("Unrecognized pktgen mode %d\n", bus->pktgen_mode)); - PKTFREE(osh, pkt, TRUE); - bus->pktgen_count = 0; - return; - } - - /* Write test header length field */ - *data++ = (len >> 0); - *data++ = (len >> 8); - - /* Then fill in the remainder -- N/A for burst, but who cares... */ - for (fillbyte = 0; fillbyte < len; fillbyte++) - *data++ = SDPCM_TEST_FILL(fillbyte, (uint8)bus->pktgen_sent); - -#ifdef DHD_DEBUG - if (DHD_BYTES_ON() && DHD_DATA_ON()) { - data = (uint8*)PKTDATA(osh, pkt) + SDPCM_HDRLEN; - prhex("dhdsdio_pktgen: Tx Data", data, PKTLEN(osh, pkt) - SDPCM_HDRLEN); - } -#endif - - /* Send it */ - if (dhdsdio_txpkt(bus, pkt, SDPCM_TEST_CHANNEL, TRUE, FALSE)) { - bus->pktgen_fail++; - if (bus->pktgen_stop && bus->pktgen_stop == bus->pktgen_fail) - bus->pktgen_count = 0; - } - bus->pktgen_sent++; - - /* Bump length if not fixed, wrap at max */ - if (++bus->pktgen_len > bus->pktgen_maxlen) - bus->pktgen_len = (uint16)bus->pktgen_minlen; - - /* Special case for burst mode: just send one request! */ - if (bus->pktgen_mode == DHD_PKTGEN_RXBURST) - break; - } -} - -static void -dhdsdio_sdtest_set(dhd_bus_t *bus, uint8 count) -{ - void *pkt; - uint8 *data; - osl_t *osh = bus->dhd->osh; - - /* Allocate the packet */ - if (!(pkt = PKTGET(osh, SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + DHD_SDALIGN, TRUE))) { - DHD_ERROR(("%s: PKTGET failed!\n", __FUNCTION__)); - return; - } - PKTALIGN(osh, pkt, (SDPCM_HDRLEN + SDPCM_TEST_HDRLEN), DHD_SDALIGN); - data = (uint8*)PKTDATA(osh, pkt) + SDPCM_HDRLEN; - - /* Fill in the test header */ - *data++ = SDPCM_TEST_SEND; - *data++ = count; - *data++ = (bus->pktgen_maxlen >> 0); - *data++ = (bus->pktgen_maxlen >> 8); - - /* Send it */ - if (dhdsdio_txpkt(bus, pkt, SDPCM_TEST_CHANNEL, TRUE, FALSE)) - bus->pktgen_fail++; -} - - -static void -dhdsdio_testrcv(dhd_bus_t *bus, void *pkt, uint seq) -{ - osl_t *osh = bus->dhd->osh; - uint8 *data; - uint pktlen; - - uint8 cmd; - uint8 extra; - uint16 len; - uint16 offset; - - /* Check for min length */ - if ((pktlen = PKTLEN(osh, pkt)) < SDPCM_TEST_HDRLEN) { - DHD_ERROR(("dhdsdio_restrcv: toss runt frame, pktlen %d\n", pktlen)); - PKTFREE(osh, pkt, FALSE); - return; - } - - /* Extract header fields */ - data = PKTDATA(osh, pkt); - cmd = *data++; - extra = *data++; - len = *data++; len += *data++ << 8; - DHD_TRACE(("%s:cmd:%d, xtra:%d,len:%d\n", __FUNCTION__, cmd, extra, len)); - /* Check length for relevant commands */ - if (cmd == SDPCM_TEST_DISCARD || cmd == SDPCM_TEST_ECHOREQ || cmd == SDPCM_TEST_ECHORSP) { - if (pktlen != len + SDPCM_TEST_HDRLEN) { - DHD_ERROR(("dhdsdio_testrcv: frame length mismatch, pktlen %d seq %d" - " cmd %d extra %d len %d\n", pktlen, seq, cmd, extra, len)); - PKTFREE(osh, pkt, FALSE); - return; - } - } - - /* Process as per command */ - switch (cmd) { - case SDPCM_TEST_ECHOREQ: - /* Rx->Tx turnaround ok (even on NDIS w/current implementation) */ - *(uint8 *)(PKTDATA(osh, pkt)) = SDPCM_TEST_ECHORSP; - if (dhdsdio_txpkt(bus, pkt, SDPCM_TEST_CHANNEL, TRUE, FALSE) == 0) { - bus->pktgen_sent++; - } else { - bus->pktgen_fail++; - PKTFREE(osh, pkt, FALSE); - } - bus->pktgen_rcvd++; - break; - - case SDPCM_TEST_ECHORSP: - if (bus->ext_loop) { - PKTFREE(osh, pkt, FALSE); - bus->pktgen_rcvd++; - break; - } - - for (offset = 0; offset < len; offset++, data++) { - if (*data != SDPCM_TEST_FILL(offset, extra)) { - DHD_ERROR(("dhdsdio_testrcv: echo data mismatch: " - "offset %d (len %d) expect 0x%02x rcvd 0x%02x\n", - offset, len, SDPCM_TEST_FILL(offset, extra), *data)); - break; - } - } - PKTFREE(osh, pkt, FALSE); - bus->pktgen_rcvd++; - break; - - case SDPCM_TEST_DISCARD: - { - int i = 0; - uint8 *prn = data; - uint8 testval = extra; - for (i = 0; i < len; i++) { - if (*prn != testval) { - DHD_ERROR(("DIErr@Pkt#:%d,Ix:%d, expected:0x%x, got:0x%x\n", - i, bus->pktgen_rcvd_rcvsession, testval, *prn)); - prn++; testval++; - } - } - } - PKTFREE(osh, pkt, FALSE); - bus->pktgen_rcvd++; - break; - - case SDPCM_TEST_BURST: - case SDPCM_TEST_SEND: - default: - DHD_INFO(("dhdsdio_testrcv: unsupported or unknown command, pktlen %d seq %d" - " cmd %d extra %d len %d\n", pktlen, seq, cmd, extra, len)); - PKTFREE(osh, pkt, FALSE); - break; - } - - /* For recv mode, stop at limit (and tell dongle to stop sending) */ - if (bus->pktgen_mode == DHD_PKTGEN_RECV) { - if (bus->pktgen_rcv_state != PKTGEN_RCV_IDLE) { - bus->pktgen_rcvd_rcvsession++; - - if (bus->pktgen_total && - (bus->pktgen_rcvd_rcvsession >= bus->pktgen_total)) { - bus->pktgen_count = 0; - DHD_ERROR(("Pktgen:rcv test complete!\n")); - bus->pktgen_rcv_state = PKTGEN_RCV_IDLE; - dhdsdio_sdtest_set(bus, FALSE); - bus->pktgen_rcvd_rcvsession = 0; - } - } - } -} -#endif /* SDTEST */ - -extern void -dhd_disable_intr(dhd_pub_t *dhdp) -{ - dhd_bus_t *bus; - bus = dhdp->bus; - bcmsdh_intr_disable(bus->sdh); -} - -extern bool -dhd_bus_watchdog(dhd_pub_t *dhdp) -{ - dhd_bus_t *bus; - - DHD_TIMER(("%s: Enter\n", __FUNCTION__)); - - bus = dhdp->bus; - - if (bus->dhd->dongle_reset) - return FALSE; - - /* Ignore the timer if simulating bus down */ - if (!SLPAUTO_ENAB(bus) && bus->sleeping) - return FALSE; - - if (dhdp->busstate == DHD_BUS_DOWN) - return FALSE; - - /* Poll period: check device if appropriate. */ - if (!SLPAUTO_ENAB(bus) && (bus->poll && (++bus->polltick >= bus->pollrate))) { - uint32 intstatus = 0; - - /* Reset poll tick */ - bus->polltick = 0; - - /* Check device if no interrupts */ - if (!bus->intr || (bus->intrcount == bus->lastintrs)) { - - if (!bus->dpc_sched) { - uint8 devpend; - devpend = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_0, - SDIOD_CCCR_INTPEND, NULL); - intstatus = devpend & (INTR_STATUS_FUNC1 | INTR_STATUS_FUNC2); - } - - /* If there is something, make like the ISR and schedule the DPC */ - if (intstatus) { - bus->pollcnt++; - bus->ipend = TRUE; - if (bus->intr) { - bcmsdh_intr_disable(bus->sdh); - } - bus->dpc_sched = TRUE; - dhd_sched_dpc(bus->dhd); - - } - } - - /* Update interrupt tracking */ - bus->lastintrs = bus->intrcount; - } - -#ifdef DHD_DEBUG - /* Poll for console output periodically */ - if (dhdp->busstate == DHD_BUS_DATA && dhd_console_ms != 0) { - bus->console.count += dhd_watchdog_ms; - if (bus->console.count >= dhd_console_ms) { - bus->console.count -= dhd_console_ms; - /* Make sure backplane clock is on */ - if (SLPAUTO_ENAB(bus)) - dhdsdio_bussleep(bus, FALSE); - else - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - if (dhdsdio_readconsole(bus) < 0) - dhd_console_ms = 0; /* On error, stop trying */ - } - } -#endif /* DHD_DEBUG */ - -#ifdef SDTEST - /* Generate packets if configured */ - if (bus->pktgen_count && (++bus->pktgen_tick >= bus->pktgen_freq)) { - /* Make sure backplane clock is on */ - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - bus->pktgen_tick = 0; - dhdsdio_pktgen(bus); - } -#endif - - /* On idle timeout clear activity flag and/or turn off clock */ -#ifdef DHD_USE_IDLECOUNT - if (bus->activity) - bus->activity = FALSE; - else { - bus->idlecount++; - - if (bus->idlecount >= bus->idletime) { - DHD_TIMER(("%s: DHD Idle state!!\n", __FUNCTION__)); - - if (SLPAUTO_ENAB(bus)) { - if (dhdsdio_bussleep(bus, TRUE) != BCME_BUSY) - dhd_os_wd_timer(bus->dhd, 0); - } else - dhdsdio_clkctl(bus, CLK_NONE, FALSE); - - bus->idlecount = 0; - } - } -#else - if ((bus->idletime > 0) && (bus->clkstate == CLK_AVAIL)) { - if (++bus->idlecount > bus->idletime) { - bus->idlecount = 0; - if (bus->activity) { - bus->activity = FALSE; - if (SLPAUTO_ENAB(bus)) { - if (!bus->readframes) - dhdsdio_bussleep(bus, TRUE); - else - bus->reqbussleep = TRUE; - } - else - dhdsdio_clkctl(bus, CLK_NONE, FALSE); - } - } - } -#endif /* DHD_USE_IDLECOUNT */ - - return bus->ipend; -} - -#ifdef DHD_DEBUG -extern int -dhd_bus_console_in(dhd_pub_t *dhdp, uchar *msg, uint msglen) -{ - dhd_bus_t *bus = dhdp->bus; - uint32 addr, val; - int rv; - void *pkt; - - /* Address could be zero if CONSOLE := 0 in dongle Makefile */ - if (bus->console_addr == 0) - return BCME_UNSUPPORTED; - - /* Exclusive bus access */ - dhd_os_sdlock(bus->dhd); - - /* Don't allow input if dongle is in reset */ - if (bus->dhd->dongle_reset) { - dhd_os_sdunlock(bus->dhd); - return BCME_NOTREADY; - } - - /* Request clock to allow SDIO accesses */ - BUS_WAKE(bus); - /* No pend allowed since txpkt is called later, ht clk has to be on */ - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - - /* Zero cbuf_index */ - addr = bus->console_addr + OFFSETOF(hndrte_cons_t, cbuf_idx); - val = htol32(0); - if ((rv = dhdsdio_membytes(bus, TRUE, addr, (uint8 *)&val, sizeof(val))) < 0) - goto done; - - /* Write message into cbuf */ - addr = bus->console_addr + OFFSETOF(hndrte_cons_t, cbuf); - if ((rv = dhdsdio_membytes(bus, TRUE, addr, (uint8 *)msg, msglen)) < 0) - goto done; - - /* Write length into vcons_in */ - addr = bus->console_addr + OFFSETOF(hndrte_cons_t, vcons_in); - val = htol32(msglen); - if ((rv = dhdsdio_membytes(bus, TRUE, addr, (uint8 *)&val, sizeof(val))) < 0) - goto done; - - /* Bump dongle by sending an empty packet on the event channel. - * sdpcm_sendup (RX) checks for virtual console input. - */ - if ((pkt = PKTGET(bus->dhd->osh, 4 + SDPCM_RESERVE, TRUE)) != NULL) - dhdsdio_txpkt(bus, pkt, SDPCM_EVENT_CHANNEL, TRUE, FALSE); - -done: - if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched) { - bus->activity = FALSE; - dhdsdio_clkctl(bus, CLK_NONE, TRUE); - } - - dhd_os_sdunlock(bus->dhd); - - return rv; -} -#endif /* DHD_DEBUG */ - -#ifdef DHD_DEBUG -static void -dhd_dump_cis(uint fn, uint8 *cis) -{ - uint byte, tag, tdata; - DHD_INFO(("Function %d CIS:\n", fn)); - - for (tdata = byte = 0; byte < SBSDIO_CIS_SIZE_LIMIT; byte++) { - if ((byte % 16) == 0) - DHD_INFO((" ")); - DHD_INFO(("%02x ", cis[byte])); - if ((byte % 16) == 15) - DHD_INFO(("\n")); - if (!tdata--) { - tag = cis[byte]; - if (tag == 0xff) - break; - else if (!tag) - tdata = 0; - else if ((byte + 1) < SBSDIO_CIS_SIZE_LIMIT) - tdata = cis[byte + 1] + 1; - else - DHD_INFO(("]")); - } - } - if ((byte % 16) != 15) - DHD_INFO(("\n")); -} -#endif /* DHD_DEBUG */ - -static bool -dhdsdio_chipmatch(uint16 chipid) -{ - if (chipid == BCM4325_CHIP_ID) - return TRUE; - if (chipid == BCM4329_CHIP_ID) - return TRUE; - if (chipid == BCM4315_CHIP_ID) - return TRUE; - if (chipid == BCM4319_CHIP_ID) - return TRUE; - if (chipid == BCM4336_CHIP_ID) - return TRUE; - if (chipid == BCM4330_CHIP_ID) - return TRUE; - if (chipid == BCM43237_CHIP_ID) - return TRUE; - if (chipid == BCM43362_CHIP_ID) - return TRUE; - if (chipid == BCM4314_CHIP_ID) - return TRUE; - if (chipid == BCM4334_CHIP_ID) - return TRUE; - if (chipid == BCM43341_CHIP_ID) - return TRUE; - if (chipid == BCM43239_CHIP_ID) - return TRUE; - if (chipid == BCM4324_CHIP_ID) - return TRUE; - if (chipid == BCM4335_CHIP_ID) - return TRUE; - return FALSE; -} - -static void * -dhdsdio_probe(uint16 venid, uint16 devid, uint16 bus_no, uint16 slot, - uint16 func, uint bustype, void *regsva, osl_t * osh, void *sdh) -{ - int ret; - dhd_bus_t *bus; -#ifdef GET_CUSTOM_MAC_ENABLE - struct ether_addr ea_addr; -#endif /* GET_CUSTOM_MAC_ENABLE */ - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) - - if (mutex_is_locked(&_dhd_sdio_mutex_lock_) == 0) { - DHD_ERROR(("%s : no mutex held. set lock\n", __FUNCTION__)); - } - else { - DHD_ERROR(("%s : mutex is locked!. wait for unlocking\n", __FUNCTION__)); - } - mutex_lock(&_dhd_sdio_mutex_lock_); -#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) */ - - /* Init global variables at run-time, not as part of the declaration. - * This is required to support init/de-init of the driver. Initialization - * of globals as part of the declaration results in non-deterministic - * behavior since the value of the globals may be different on the - * first time that the driver is initialized vs subsequent initializations. - */ - dhd_txbound = DHD_TXBOUND; - dhd_rxbound = DHD_RXBOUND; - dhd_alignctl = TRUE; - sd1idle = TRUE; - dhd_readahead = TRUE; - retrydata = FALSE; - dhd_doflow = FALSE; - dhd_dongle_memsize = 0; - dhd_txminmax = DHD_TXMINMAX; - - forcealign = TRUE; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - DHD_INFO(("%s: venid 0x%04x devid 0x%04x\n", __FUNCTION__, venid, devid)); - - /* We make assumptions about address window mappings */ - ASSERT((uintptr)regsva == SI_ENUM_BASE); - - /* BCMSDH passes venid and devid based on CIS parsing -- but low-power start - * means early parse could fail, so here we should get either an ID - * we recognize OR (-1) indicating we must request power first. - */ - /* Check the Vendor ID */ - switch (venid) { - case 0x0000: - case VENDOR_BROADCOM: - break; - default: - DHD_ERROR(("%s: unknown vendor: 0x%04x\n", - __FUNCTION__, venid)); - goto forcereturn; - } - - /* Check the Device ID and make sure it's one that we support */ - switch (devid) { - case BCM4325_D11DUAL_ID: /* 4325 802.11a/g id */ - case BCM4325_D11G_ID: /* 4325 802.11g 2.4Ghz band id */ - case BCM4325_D11A_ID: /* 4325 802.11a 5Ghz band id */ - DHD_INFO(("%s: found 4325 Dongle\n", __FUNCTION__)); - break; - case BCM4329_D11N_ID: /* 4329 802.11n dualband device */ - case BCM4329_D11N2G_ID: /* 4329 802.11n 2.4G device */ - case BCM4329_D11N5G_ID: /* 4329 802.11n 5G device */ - case 0x4329: - DHD_INFO(("%s: found 4329 Dongle\n", __FUNCTION__)); - break; - case BCM4315_D11DUAL_ID: /* 4315 802.11a/g id */ - case BCM4315_D11G_ID: /* 4315 802.11g id */ - case BCM4315_D11A_ID: /* 4315 802.11a id */ - DHD_INFO(("%s: found 4315 Dongle\n", __FUNCTION__)); - break; - case BCM4319_D11N_ID: /* 4319 802.11n id */ - case BCM4319_D11N2G_ID: /* 4319 802.11n2g id */ - case BCM4319_D11N5G_ID: /* 4319 802.11n5g id */ - DHD_INFO(("%s: found 4319 Dongle\n", __FUNCTION__)); - break; - case 0: - DHD_INFO(("%s: allow device id 0, will check chip internals\n", - __FUNCTION__)); - break; - - default: - DHD_ERROR(("%s: skipping 0x%04x/0x%04x, not a dongle\n", - __FUNCTION__, venid, devid)); - goto forcereturn; - } - - if (osh == NULL) { - /* Ask the OS interface part for an OSL handle */ - if (!(osh = dhd_osl_attach(sdh, DHD_BUS))) { - DHD_ERROR(("%s: osl_attach failed!\n", __FUNCTION__)); - goto forcereturn; - } - } - - /* Allocate private bus interface state */ - if (!(bus = MALLOC(osh, sizeof(dhd_bus_t)))) { - DHD_ERROR(("%s: MALLOC of dhd_bus_t failed\n", __FUNCTION__)); - goto fail; - } - bzero(bus, sizeof(dhd_bus_t)); - bus->sdh = sdh; - bus->cl_devid = (uint16)devid; - bus->bus = DHD_BUS; - bus->tx_seq = SDPCM_SEQUENCE_WRAP - 1; - bus->usebufpool = FALSE; /* Use bufpool if allocated, else use locally malloced rxbuf */ - - /* attach the common module */ - dhd_common_init(osh); - - /* attempt to attach to the dongle */ - if (!(dhdsdio_probe_attach(bus, osh, sdh, regsva, devid))) { - DHD_ERROR(("%s: dhdsdio_probe_attach failed\n", __FUNCTION__)); - goto fail; - } - - /* Attach to the dhd/OS/network interface */ - if (!(bus->dhd = dhd_attach(osh, bus, SDPCM_RESERVE))) { - DHD_ERROR(("%s: dhd_attach failed\n", __FUNCTION__)); - goto fail; - } - - /* Allocate buffers */ - if (!(dhdsdio_probe_malloc(bus, osh, sdh))) { - DHD_ERROR(("%s: dhdsdio_probe_malloc failed\n", __FUNCTION__)); - goto fail; - } - - if (!(dhdsdio_probe_init(bus, osh, sdh))) { - DHD_ERROR(("%s: dhdsdio_probe_init failed\n", __FUNCTION__)); - goto fail; - } - - if (bus->intr) { - /* Register interrupt callback, but mask it (not operational yet). */ - DHD_INTR(("%s: disable SDIO interrupts (not interested yet)\n", __FUNCTION__)); - bcmsdh_intr_disable(sdh); - if ((ret = bcmsdh_intr_reg(sdh, dhdsdio_isr, bus)) != 0) { - DHD_ERROR(("%s: FAILED: bcmsdh_intr_reg returned %d\n", - __FUNCTION__, ret)); - goto fail; - } - DHD_INTR(("%s: registered SDIO interrupt function ok\n", __FUNCTION__)); - } else { - DHD_INFO(("%s: SDIO interrupt function is NOT registered due to polling mode\n", - __FUNCTION__)); - } - - DHD_INFO(("%s: completed!!\n", __FUNCTION__)); - -#ifdef GET_CUSTOM_MAC_ENABLE - /* Read MAC address from external customer place */ - memset(&ea_addr, 0, sizeof(ea_addr)); - ret = dhd_custom_get_mac_address(ea_addr.octet); - if (!ret) { - memcpy(bus->dhd->mac.octet, (void *)&ea_addr, ETHER_ADDR_LEN); - } -#endif /* GET_CUSTOM_MAC_ENABLE */ - - /* if firmware path present try to download and bring up bus */ - if (dhd_download_fw_on_driverload) { - if ((ret = dhd_bus_start(bus->dhd)) != 0) { - DHD_ERROR(("%s: dhd_bus_start failed\n", __FUNCTION__)); - if (ret == BCME_NOTUP) - goto fail; - } - } - /* Ok, have the per-port tell the stack we're open for business */ - if (dhd_net_attach(bus->dhd, 0) != 0) { - DHD_ERROR(("%s: Net attach failed!!\n", __FUNCTION__)); - goto fail; - } - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) - mutex_unlock(&_dhd_sdio_mutex_lock_); - DHD_ERROR(("%s : the lock is released.\n", __FUNCTION__)); -#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ - - return bus; - -fail: - dhdsdio_release(bus, osh); - -forcereturn: -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) - mutex_unlock(&_dhd_sdio_mutex_lock_); - DHD_ERROR(("%s : the lock is released.\n", __FUNCTION__)); -#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ - - return NULL; -} - -static bool -dhdsdio_probe_attach(struct dhd_bus *bus, osl_t *osh, void *sdh, void *regsva, - uint16 devid) -{ - int err = 0; - uint8 clkctl = 0; - - bus->alp_only = TRUE; - bus->sih = NULL; - - /* Return the window to backplane enumeration space for core access */ - if (dhdsdio_set_siaddr_window(bus, SI_ENUM_BASE)) { - DHD_ERROR(("%s: FAILED to return to SI_ENUM_BASE\n", __FUNCTION__)); - } - -#ifdef DHD_DEBUG - DHD_ERROR(("F1 signature read @0x18000000=0x%4x\n", - bcmsdh_reg_read(bus->sdh, SI_ENUM_BASE, 4))); - -#endif /* DHD_DEBUG */ - - - /* Force PLL off until si_attach() programs PLL control regs */ - - - - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, DHD_INIT_CLKCTL1, &err); - if (!err) - clkctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, &err); - - if (err || ((clkctl & ~SBSDIO_AVBITS) != DHD_INIT_CLKCTL1)) { - DHD_ERROR(("dhdsdio_probe: ChipClkCSR access: err %d wrote 0x%02x read 0x%02x\n", - err, DHD_INIT_CLKCTL1, clkctl)); - goto fail; - } - -#ifdef DHD_DEBUG - if (DHD_INFO_ON()) { - uint fn, numfn; - uint8 *cis[SDIOD_MAX_IOFUNCS]; - int err = 0; - - numfn = bcmsdh_query_iofnum(sdh); - ASSERT(numfn <= SDIOD_MAX_IOFUNCS); - - /* Make sure ALP is available before trying to read CIS */ - SPINWAIT(((clkctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, - SBSDIO_FUNC1_CHIPCLKCSR, NULL)), - !SBSDIO_ALPAV(clkctl)), PMU_MAX_TRANSITION_DLY); - - /* Now request ALP be put on the bus */ - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, - DHD_INIT_CLKCTL2, &err); - OSL_DELAY(65); - - for (fn = 0; fn <= numfn; fn++) { - if (!(cis[fn] = MALLOC(osh, SBSDIO_CIS_SIZE_LIMIT))) { - DHD_INFO(("dhdsdio_probe: fn %d cis malloc failed\n", fn)); - break; - } - bzero(cis[fn], SBSDIO_CIS_SIZE_LIMIT); - - if ((err = bcmsdh_cis_read(sdh, fn, cis[fn], SBSDIO_CIS_SIZE_LIMIT))) { - DHD_INFO(("dhdsdio_probe: fn %d cis read err %d\n", fn, err)); - MFREE(osh, cis[fn], SBSDIO_CIS_SIZE_LIMIT); - break; - } - dhd_dump_cis(fn, cis[fn]); - } - - while (fn-- > 0) { - ASSERT(cis[fn]); - MFREE(osh, cis[fn], SBSDIO_CIS_SIZE_LIMIT); - } - - if (err) { - DHD_ERROR(("dhdsdio_probe: failure reading or parsing CIS\n")); - goto fail; - } - } -#endif /* DHD_DEBUG */ - - /* si_attach() will provide an SI handle and scan the backplane */ - if (!(bus->sih = si_attach((uint)devid, osh, regsva, DHD_BUS, sdh, - &bus->vars, &bus->varsz))) { - DHD_ERROR(("%s: si_attach failed!\n", __FUNCTION__)); - goto fail; - } - - bcmsdh_chipinfo(sdh, bus->sih->chip, bus->sih->chiprev); - - if (!dhdsdio_chipmatch((uint16)bus->sih->chip)) { - DHD_ERROR(("%s: unsupported chip: 0x%04x\n", - __FUNCTION__, bus->sih->chip)); - goto fail; - } - - if (bus->sih->buscorerev >= 12) - dhdsdio_clk_kso_init(bus); - else - bus->kso = TRUE; - - if (CST4330_CHIPMODE_SDIOD(bus->sih->chipst)) { - } - - si_sdiod_drive_strength_init(bus->sih, osh, dhd_sdiod_drive_strength); - - - /* Get info on the ARM and SOCRAM cores... */ - if (!DHD_NOPMU(bus)) { - if ((si_setcore(bus->sih, ARM7S_CORE_ID, 0)) || - (si_setcore(bus->sih, ARMCM3_CORE_ID, 0)) || - (si_setcore(bus->sih, ARMCR4_CORE_ID, 0))) { - bus->armrev = si_corerev(bus->sih); - } else { - DHD_ERROR(("%s: failed to find ARM core!\n", __FUNCTION__)); - goto fail; - } - - if (!si_setcore(bus->sih, ARMCR4_CORE_ID, 0)) { - if (!(bus->orig_ramsize = si_socram_size(bus->sih))) { - DHD_ERROR(("%s: failed to find SOCRAM memory!\n", __FUNCTION__)); - goto fail; - } - } else { - /* cr4 has a different way to find the RAM size from TCM's */ - if (!(bus->orig_ramsize = si_tcm_size(bus->sih))) { - DHD_ERROR(("%s: failed to find CR4-TCM memory!\n", __FUNCTION__)); - goto fail; - } - /* also populate base address */ - bus->dongle_ram_base = CR4_RAM_BASE; - } - bus->ramsize = bus->orig_ramsize; - if (dhd_dongle_memsize) - dhd_dongle_setmemsize(bus, dhd_dongle_memsize); - - DHD_ERROR(("DHD: dongle ram size is set to %d(orig %d)\n", - bus->ramsize, bus->orig_ramsize)); - - bus->srmemsize = si_socram_srmem_size(bus->sih); - } - - /* ...but normally deal with the SDPCMDEV core */ - if (!(bus->regs = si_setcore(bus->sih, PCMCIA_CORE_ID, 0)) && - !(bus->regs = si_setcore(bus->sih, SDIOD_CORE_ID, 0))) { - DHD_ERROR(("%s: failed to find SDIODEV core!\n", __FUNCTION__)); - goto fail; - } - bus->sdpcmrev = si_corerev(bus->sih); - - /* Set core control so an SDIO reset does a backplane reset */ - OR_REG(osh, &bus->regs->corecontrol, CC_BPRESEN); - bus->rxint_mode = SDIO_DEVICE_HMB_RXINT; - - if ((bus->sih->buscoretype == SDIOD_CORE_ID) && (bus->sdpcmrev >= 4) && - (bus->rxint_mode == SDIO_DEVICE_RXDATAINT_MODE_1)) - { - uint32 val; - - val = R_REG(osh, &bus->regs->corecontrol); - val &= ~CC_XMTDATAAVAIL_MODE; - val |= CC_XMTDATAAVAIL_CTRL; - W_REG(osh, &bus->regs->corecontrol, val); - } - - - pktq_init(&bus->txq, (PRIOMASK + 1), QLEN); - - /* Locate an appropriately-aligned portion of hdrbuf */ - bus->rxhdr = (uint8 *)ROUNDUP((uintptr)&bus->hdrbuf[0], DHD_SDALIGN); - - /* Set the poll and/or interrupt flags */ - bus->intr = (bool)dhd_intr; - if ((bus->poll = (bool)dhd_poll)) - bus->pollrate = 1; - -#ifdef BCMSDIOH_TXGLOM - /* Setting default Glom mode */ - bus->glom_mode = SDPCM_TXGLOM_CPY; - /* Setting default Glom size */ - bus->glomsize = SDPCM_DEFGLOM_SIZE; -#endif - - return TRUE; - -fail: - if (bus->sih != NULL) { - si_detach(bus->sih); - bus->sih = NULL; - } - return FALSE; -} - -static bool -dhdsdio_probe_malloc(dhd_bus_t *bus, osl_t *osh, void *sdh) -{ - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - if (bus->dhd->maxctl) { - bus->rxblen = ROUNDUP((bus->dhd->maxctl + SDPCM_HDRLEN), ALIGNMENT) + DHD_SDALIGN; - if (!(bus->rxbuf = DHD_OS_PREALLOC(osh, DHD_PREALLOC_RXBUF, bus->rxblen))) { - DHD_ERROR(("%s: MALLOC of %d-byte rxbuf failed\n", - __FUNCTION__, bus->rxblen)); - goto fail; - } - } - /* Allocate buffer to receive glomed packet */ - if (!(bus->databuf = DHD_OS_PREALLOC(osh, DHD_PREALLOC_DATABUF, MAX_DATA_BUF))) { - DHD_ERROR(("%s: MALLOC of %d-byte databuf failed\n", - __FUNCTION__, MAX_DATA_BUF)); - /* release rxbuf which was already located as above */ - if (!bus->rxblen) - DHD_OS_PREFREE(osh, bus->rxbuf, bus->rxblen); - goto fail; - } - - /* Align the buffer */ - if ((uintptr)bus->databuf % DHD_SDALIGN) - bus->dataptr = bus->databuf + (DHD_SDALIGN - ((uintptr)bus->databuf % DHD_SDALIGN)); - else - bus->dataptr = bus->databuf; - - return TRUE; - -fail: - return FALSE; -} - -static bool -dhdsdio_probe_init(dhd_bus_t *bus, osl_t *osh, void *sdh) -{ - int32 fnum; - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - -#ifdef SDTEST - dhdsdio_pktgen_init(bus); -#endif /* SDTEST */ - - /* Disable F2 to clear any intermediate frame state on the dongle */ - bcmsdh_cfg_write(sdh, SDIO_FUNC_0, SDIOD_CCCR_IOEN, SDIO_FUNC_ENABLE_1, NULL); - - bus->dhd->busstate = DHD_BUS_DOWN; - bus->sleeping = FALSE; - bus->rxflow = FALSE; - bus->prev_rxlim_hit = 0; - - /* Done with backplane-dependent accesses, can drop clock... */ - bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL); - - /* ...and initialize clock/power states */ - bus->clkstate = CLK_SDONLY; - bus->idletime = (int32)dhd_idletime; - bus->idleclock = DHD_IDLE_ACTIVE; - - /* Query the SD clock speed */ - if (bcmsdh_iovar_op(sdh, "sd_divisor", NULL, 0, - &bus->sd_divisor, sizeof(int32), FALSE) != BCME_OK) { - DHD_ERROR(("%s: fail on %s get\n", __FUNCTION__, "sd_divisor")); - bus->sd_divisor = -1; - } else { - DHD_INFO(("%s: Initial value for %s is %d\n", - __FUNCTION__, "sd_divisor", bus->sd_divisor)); - } - - /* Query the SD bus mode */ - if (bcmsdh_iovar_op(sdh, "sd_mode", NULL, 0, - &bus->sd_mode, sizeof(int32), FALSE) != BCME_OK) { - DHD_ERROR(("%s: fail on %s get\n", __FUNCTION__, "sd_mode")); - bus->sd_mode = -1; - } else { - DHD_INFO(("%s: Initial value for %s is %d\n", - __FUNCTION__, "sd_mode", bus->sd_mode)); - } - - /* Query the F2 block size, set roundup accordingly */ - fnum = 2; - if (bcmsdh_iovar_op(sdh, "sd_blocksize", &fnum, sizeof(int32), - &bus->blocksize, sizeof(int32), FALSE) != BCME_OK) { - bus->blocksize = 0; - DHD_ERROR(("%s: fail on %s get\n", __FUNCTION__, "sd_blocksize")); - } else { - DHD_INFO(("%s: Initial value for %s is %d\n", - __FUNCTION__, "sd_blocksize", bus->blocksize)); - } - bus->roundup = MIN(max_roundup, bus->blocksize); - - /* Query if bus module supports packet chaining, default to use if supported */ - if (bcmsdh_iovar_op(sdh, "sd_rxchain", NULL, 0, - &bus->sd_rxchain, sizeof(int32), FALSE) != BCME_OK) { - bus->sd_rxchain = FALSE; - } else { - DHD_INFO(("%s: bus module (through bcmsdh API) %s chaining\n", - __FUNCTION__, (bus->sd_rxchain ? "supports" : "does not support"))); - } - bus->use_rxchain = (bool)bus->sd_rxchain; - - return TRUE; -} - -bool -dhd_bus_download_firmware(struct dhd_bus *bus, osl_t *osh, - char *pfw_path, char *pnv_path) -{ - bool ret; - bus->fw_path = pfw_path; - bus->nv_path = pnv_path; - - ret = dhdsdio_download_firmware(bus, osh, bus->sdh); - - - return ret; -} - -static bool -dhdsdio_download_firmware(struct dhd_bus *bus, osl_t *osh, void *sdh) -{ - bool ret; - - DHD_OS_WAKE_LOCK(bus->dhd); - - /* Download the firmware */ - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - - ret = _dhdsdio_download_firmware(bus) == 0; - - dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); - - DHD_OS_WAKE_UNLOCK(bus->dhd); - return ret; -} - -/* Detach and free everything */ -static void -dhdsdio_release(dhd_bus_t *bus, osl_t *osh) -{ - bool dongle_isolation = FALSE; - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - if (bus) { - ASSERT(osh); - - if (bus->dhd) { - dongle_isolation = bus->dhd->dongle_isolation; - dhd_detach(bus->dhd); - } - - /* De-register interrupt handler */ - bcmsdh_intr_disable(bus->sdh); - bcmsdh_intr_dereg(bus->sdh); - - if (bus->dhd) { - dhdsdio_release_dongle(bus, osh, dongle_isolation, TRUE); - dhd_free(bus->dhd); - bus->dhd = NULL; - } - - dhdsdio_release_malloc(bus, osh); - -#ifdef DHD_DEBUG - if (bus->console.buf != NULL) - MFREE(osh, bus->console.buf, bus->console.bufsize); -#endif - - MFREE(osh, bus, sizeof(dhd_bus_t)); - } - - if (osh) - dhd_osl_detach(osh); - - DHD_TRACE(("%s: Disconnected\n", __FUNCTION__)); -} - -static void -dhdsdio_release_malloc(dhd_bus_t *bus, osl_t *osh) -{ - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - if (bus->dhd && bus->dhd->dongle_reset) - return; - - if (bus->rxbuf) { -#ifndef CONFIG_DHD_USE_STATIC_BUF - MFREE(osh, bus->rxbuf, bus->rxblen); -#endif - bus->rxctl = bus->rxbuf = NULL; - bus->rxlen = 0; - } - - if (bus->databuf) { -#ifndef CONFIG_DHD_USE_STATIC_BUF - MFREE(osh, bus->databuf, MAX_DATA_BUF); -#endif - bus->databuf = NULL; - } - - if (bus->vars && bus->varsz) { - MFREE(osh, bus->vars, bus->varsz); - bus->vars = NULL; - } - -} - - -static void -dhdsdio_release_dongle(dhd_bus_t *bus, osl_t *osh, bool dongle_isolation, bool reset_flag) -{ - DHD_TRACE(("%s: Enter bus->dhd %p bus->dhd->dongle_reset %d \n", __FUNCTION__, - bus->dhd, bus->dhd->dongle_reset)); - - if ((bus->dhd && bus->dhd->dongle_reset) && reset_flag) - return; - - if (bus->sih) { - if (bus->dhd) { - dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); - } -#if !defined(BCMLXSDMMC) - if (KSO_ENAB(bus) && (dongle_isolation == FALSE)) - si_watchdog(bus->sih, 4); -#endif /* !defined(BCMLXSDMMC) */ - if (bus->dhd) { - dhdsdio_clkctl(bus, CLK_NONE, FALSE); - } - si_detach(bus->sih); - bus->sih = NULL; - if (bus->vars && bus->varsz) - MFREE(osh, bus->vars, bus->varsz); - bus->vars = NULL; - } - - DHD_TRACE(("%s: Disconnected\n", __FUNCTION__)); -} - -static void -dhdsdio_disconnect(void *ptr) -{ - dhd_bus_t *bus = (dhd_bus_t *)ptr; - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) - - if (mutex_is_locked(&_dhd_sdio_mutex_lock_) == 0) { - DHD_ERROR(("%s : no mutex held. set lock\n", __FUNCTION__)); - } - else { - DHD_ERROR(("%s : mutex is locked!. wait for unlocking\n", __FUNCTION__)); - } - mutex_lock(&_dhd_sdio_mutex_lock_); -#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) */ - - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - if (bus) { - ASSERT(bus->dhd); - dhdsdio_release(bus, bus->dhd->osh); - } - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) - mutex_unlock(&_dhd_sdio_mutex_lock_); - DHD_ERROR(("%s : the lock is released.\n", __FUNCTION__)); -#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) */ - - DHD_TRACE(("%s: Disconnected\n", __FUNCTION__)); -} - - -/* Register/Unregister functions are called by the main DHD entry - * point (e.g. module insertion) to link with the bus driver, in - * order to look for or await the device. - */ - -static bcmsdh_driver_t dhd_sdio = { - dhdsdio_probe, - dhdsdio_disconnect -}; - -int -dhd_bus_register(void) -{ - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - return bcmsdh_register(&dhd_sdio); -} - -void -dhd_bus_unregister(void) -{ - DHD_TRACE(("%s: Enter\n", __FUNCTION__)); - - bcmsdh_unregister(); -} - -#if defined(BCMLXSDMMC) -/* Register a dummy SDIO client driver in order to be notified of new SDIO device */ -int dhd_bus_reg_sdio_notify(void* semaphore) -{ - return bcmsdh_reg_sdio_notify(semaphore); -} - -void dhd_bus_unreg_sdio_notify(void) -{ - bcmsdh_unreg_sdio_notify(); -} -#endif /* defined(BCMLXSDMMC) */ - -#ifdef BCMEMBEDIMAGE -static int -dhdsdio_download_code_array(struct dhd_bus *bus) -{ - int bcmerror = -1; - int offset = 0; - unsigned char *ularray = NULL; - - DHD_INFO(("%s: download embedded firmware...\n", __FUNCTION__)); - - /* Download image */ - while ((offset + MEMBLOCK) < sizeof(dlarray)) { - bcmerror = dhdsdio_membytes(bus, TRUE, offset, - (uint8 *) (dlarray + offset), MEMBLOCK); - if (bcmerror) { - DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n", - __FUNCTION__, bcmerror, MEMBLOCK, offset)); - goto err; - } - - offset += MEMBLOCK; - } - - if (offset < sizeof(dlarray)) { - bcmerror = dhdsdio_membytes(bus, TRUE, offset, - (uint8 *) (dlarray + offset), sizeof(dlarray) - offset); - if (bcmerror) { - DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n", - __FUNCTION__, bcmerror, sizeof(dlarray) - offset, offset)); - goto err; - } - } - -#ifdef DHD_DEBUG - /* Upload and compare the downloaded code */ - { - ularray = MALLOC(bus->dhd->osh, bus->ramsize); - /* Upload image to verify downloaded contents. */ - offset = 0; - memset(ularray, 0xaa, bus->ramsize); - while ((offset + MEMBLOCK) < sizeof(dlarray)) { - bcmerror = dhdsdio_membytes(bus, FALSE, offset, ularray + offset, MEMBLOCK); - if (bcmerror) { - DHD_ERROR(("%s: error %d on reading %d membytes at 0x%08x\n", - __FUNCTION__, bcmerror, MEMBLOCK, offset)); - goto err; - } - - offset += MEMBLOCK; - } - - if (offset < sizeof(dlarray)) { - bcmerror = dhdsdio_membytes(bus, FALSE, offset, - ularray + offset, sizeof(dlarray) - offset); - if (bcmerror) { - DHD_ERROR(("%s: error %d on reading %d membytes at 0x%08x\n", - __FUNCTION__, bcmerror, sizeof(dlarray) - offset, offset)); - goto err; - } - } - - if (memcmp(dlarray, ularray, sizeof(dlarray))) { - DHD_ERROR(("%s: Downloaded image is corrupted (%s, %s, %s).\n", - __FUNCTION__, dlimagename, dlimagever, dlimagedate)); - goto err; - } else - DHD_ERROR(("%s: Download, Upload and compare succeeded (%s, %s, %s).\n", - __FUNCTION__, dlimagename, dlimagever, dlimagedate)); - - } -#endif /* DHD_DEBUG */ - -err: - if (ularray) - MFREE(bus->dhd->osh, ularray, bus->ramsize); - return bcmerror; -} -#endif /* BCMEMBEDIMAGE */ - -static int -dhdsdio_download_code_file(struct dhd_bus *bus, char *pfw_path) -{ - int bcmerror = -1; - int offset = 0; - int len; - void *image = NULL; - uint8 *memblock = NULL, *memptr; - - DHD_INFO(("%s: download firmware %s\n", __FUNCTION__, pfw_path)); - - image = dhd_os_open_image(pfw_path); - if (image == NULL) - goto err; - - memptr = memblock = MALLOC(bus->dhd->osh, MEMBLOCK + DHD_SDALIGN); - if (memblock == NULL) { - DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", __FUNCTION__, MEMBLOCK)); - goto err; - } - if ((uint32)(uintptr)memblock % DHD_SDALIGN) - memptr += (DHD_SDALIGN - ((uint32)(uintptr)memblock % DHD_SDALIGN)); - - /* Download image */ - while ((len = dhd_os_get_image_block((char*)memptr, MEMBLOCK, image))) { - if (len < 0) { - DHD_ERROR(("%s: dhd_os_get_image_block failed (%d)\n", __FUNCTION__, len)); - bcmerror = BCME_ERROR; - goto err; - } - bcmerror = dhdsdio_membytes(bus, TRUE, offset, memptr, len); - if (bcmerror) { - DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n", - __FUNCTION__, bcmerror, MEMBLOCK, offset)); - goto err; - } - - offset += MEMBLOCK; - } - -err: - if (memblock) - MFREE(bus->dhd->osh, memblock, MEMBLOCK + DHD_SDALIGN); - - if (image) - dhd_os_close_image(image); - - return bcmerror; -} - -/* - EXAMPLE: nvram_array - nvram_arry format: - name=value - Use carriage return at the end of each assignment, and an empty string with - carriage return at the end of array. - - For example: - unsigned char nvram_array[] = {"name1=value1\n", "name2=value2\n", "\n"}; - Hex values start with 0x, and mac addr format: xx:xx:xx:xx:xx:xx. - - Search "EXAMPLE: nvram_array" to see how the array is activated. -*/ - -void -dhd_bus_set_nvram_params(struct dhd_bus * bus, const char *nvram_params) -{ - bus->nvram_params = nvram_params; -} - -static int -dhdsdio_download_nvram(struct dhd_bus *bus) -{ - int bcmerror = -1; - uint len; - void * image = NULL; - char * memblock = NULL; - char *bufp; - char *pnv_path; - bool nvram_file_exists; - - pnv_path = bus->nv_path; - - nvram_file_exists = ((pnv_path != NULL) && (pnv_path[0] != '\0')); - if (!nvram_file_exists && (bus->nvram_params == NULL)) - return (0); - - if (nvram_file_exists) { - image = dhd_os_open_image(pnv_path); - if (image == NULL) - goto err; - } - - memblock = MALLOC(bus->dhd->osh, MAX_NVRAMBUF_SIZE); - if (memblock == NULL) { - DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", - __FUNCTION__, MAX_NVRAMBUF_SIZE)); - goto err; - } - - /* Download variables */ - if (nvram_file_exists) { - len = dhd_os_get_image_block(memblock, MAX_NVRAMBUF_SIZE, image); - } - else { - len = strlen(bus->nvram_params); - ASSERT(len <= MAX_NVRAMBUF_SIZE); - memcpy(memblock, bus->nvram_params, len); - } - if (len > 0 && len < MAX_NVRAMBUF_SIZE) { - bufp = (char *)memblock; - bufp[len] = 0; - len = process_nvram_vars(bufp, len); - if (len % 4) { - len += 4 - (len % 4); - } - bufp += len; - *bufp++ = 0; - if (len) - bcmerror = dhdsdio_downloadvars(bus, memblock, len + 1); - if (bcmerror) { - DHD_ERROR(("%s: error downloading vars: %d\n", - __FUNCTION__, bcmerror)); - } - } - else { - DHD_ERROR(("%s: error reading nvram file: %d\n", - __FUNCTION__, len)); - bcmerror = BCME_SDIO_ERROR; - } - -err: - if (memblock) - MFREE(bus->dhd->osh, memblock, MAX_NVRAMBUF_SIZE); - - if (image) - dhd_os_close_image(image); - - return bcmerror; -} - -static int -_dhdsdio_download_firmware(struct dhd_bus *bus) -{ - int bcmerror = -1; - - bool embed = FALSE; /* download embedded firmware */ - bool dlok = FALSE; /* download firmware succeeded */ - - /* Out immediately if no image to download */ - if ((bus->fw_path == NULL) || (bus->fw_path[0] == '\0')) { -#ifdef BCMEMBEDIMAGE - embed = TRUE; -#else - return 0; -#endif - } - - /* Keep arm in reset */ - if (dhdsdio_download_state(bus, TRUE)) { - DHD_ERROR(("%s: error placing ARM core in reset\n", __FUNCTION__)); - goto err; - } - - /* External image takes precedence if specified */ - if ((bus->fw_path != NULL) && (bus->fw_path[0] != '\0')) { - if (dhdsdio_download_code_file(bus, bus->fw_path)) { - DHD_ERROR(("%s: dongle image file download failed\n", __FUNCTION__)); -#ifdef BCMEMBEDIMAGE - embed = TRUE; -#else - goto err; -#endif - } - else { - embed = FALSE; - dlok = TRUE; - } - } -#ifdef BCMEMBEDIMAGE - if (embed) { - if (dhdsdio_download_code_array(bus)) { - DHD_ERROR(("%s: dongle image array download failed\n", __FUNCTION__)); - goto err; - } - else { - dlok = TRUE; - } - } -#else - BCM_REFERENCE(embed); -#endif - if (!dlok) { - DHD_ERROR(("%s: dongle image download failed\n", __FUNCTION__)); - goto err; - } - - /* EXAMPLE: nvram_array */ - /* If a valid nvram_arry is specified as above, it can be passed down to dongle */ - /* dhd_bus_set_nvram_params(bus, (char *)&nvram_array); */ - - /* External nvram takes precedence if specified */ - if (dhdsdio_download_nvram(bus)) { - DHD_ERROR(("%s: dongle nvram file download failed\n", __FUNCTION__)); - goto err; - } - - /* Take arm out of reset */ - if (dhdsdio_download_state(bus, FALSE)) { - DHD_ERROR(("%s: error getting out of ARM core reset\n", __FUNCTION__)); - goto err; - } - - bcmerror = 0; - -err: - return bcmerror; -} - -static int -dhd_bcmsdh_recv_buf(dhd_bus_t *bus, uint32 addr, uint fn, uint flags, uint8 *buf, uint nbytes, - void *pkt, bcmsdh_cmplt_fn_t complete, void *handle) -{ - int status; - - if (!KSO_ENAB(bus)) { - DHD_ERROR(("%s: Device asleep\n", __FUNCTION__)); - return BCME_NODEVICE; - } - - status = bcmsdh_recv_buf(bus->sdh, addr, fn, flags, buf, nbytes, pkt, complete, handle); - - return status; -} - -static int -dhd_bcmsdh_send_buf(dhd_bus_t *bus, uint32 addr, uint fn, uint flags, uint8 *buf, uint nbytes, - void *pkt, bcmsdh_cmplt_fn_t complete, void *handle) -{ - if (!KSO_ENAB(bus)) { - DHD_ERROR(("%s: Device asleep\n", __FUNCTION__)); - return BCME_NODEVICE; - } - - return (bcmsdh_send_buf(bus->sdh, addr, fn, flags, buf, nbytes, pkt, complete, handle)); -} - -#ifdef BCMSDIOH_TXGLOM -static void -dhd_bcmsdh_glom_post(dhd_bus_t *bus, uint8 *frame, uint len) -{ - bcmsdh_glom_post(bus->sdh, frame, len); -} - -static void -dhd_bcmsdh_glom_clear(dhd_bus_t *bus) -{ - bcmsdh_glom_clear(bus->sdh); -} -#endif - -uint -dhd_bus_chip(struct dhd_bus *bus) -{ - ASSERT(bus->sih != NULL); - return bus->sih->chip; -} - -void * -dhd_bus_pub(struct dhd_bus *bus) -{ - return bus->dhd; -} - -void * -dhd_bus_txq(struct dhd_bus *bus) -{ - return &bus->txq; -} - -uint -dhd_bus_hdrlen(struct dhd_bus *bus) -{ - return SDPCM_HDRLEN; -} - -int -dhd_bus_devreset(dhd_pub_t *dhdp, uint8 flag) -{ - int bcmerror = 0; - dhd_bus_t *bus; - - bus = dhdp->bus; - - if (flag == TRUE) { - if (!bus->dhd->dongle_reset) { - dhd_os_sdlock(dhdp); - dhd_os_wd_timer(dhdp, 0); -#if !defined(IGNORE_ETH0_DOWN) - /* Force flow control as protection when stop come before ifconfig_down */ - dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, ON); -#endif /* !defined(IGNORE_ETH0_DOWN) */ - /* Expect app to have torn down any connection before calling */ - /* Stop the bus, disable F2 */ - dhd_bus_stop(bus, FALSE); - -#if defined(OOB_INTR_ONLY) - /* Clean up any pending IRQ */ - bcmsdh_set_irq(FALSE); -#endif /* defined(OOB_INTR_ONLY) */ - - /* Clean tx/rx buffer pointers, detach from the dongle */ - dhdsdio_release_dongle(bus, bus->dhd->osh, TRUE, TRUE); - - bus->dhd->dongle_reset = TRUE; - bus->dhd->up = FALSE; -#ifdef BCMSDIOH_TXGLOM - dhd_txglom_enable(dhdp, FALSE); -#endif - dhd_os_sdunlock(dhdp); - - DHD_TRACE(("%s: WLAN OFF DONE\n", __FUNCTION__)); - /* App can now remove power from device */ - } else - bcmerror = BCME_SDIO_ERROR; - } else { - /* App must have restored power to device before calling */ - - DHD_TRACE(("\n\n%s: == WLAN ON ==\n", __FUNCTION__)); - - if (bus->dhd->dongle_reset) { - /* Turn on WLAN */ -#ifdef DHDTHREAD - dhd_os_sdlock(dhdp); -#endif /* DHDTHREAD */ - /* Reset SD client */ - bcmsdh_reset(bus->sdh); - - /* Attempt to re-attach & download */ - if (dhdsdio_probe_attach(bus, bus->dhd->osh, bus->sdh, - (uint32 *)SI_ENUM_BASE, - bus->cl_devid)) { - /* Attempt to download binary to the dongle */ - if (dhdsdio_probe_init(bus, bus->dhd->osh, bus->sdh) && - dhdsdio_download_firmware(bus, bus->dhd->osh, bus->sdh)) { - - /* Re-init bus, enable F2 transfer */ - bcmerror = dhd_bus_init((dhd_pub_t *) bus->dhd, FALSE); - if (bcmerror == BCME_OK) { -#if defined(OOB_INTR_ONLY) - bcmsdh_set_irq(TRUE); - dhd_enable_oob_intr(bus, TRUE); -#endif /* defined(OOB_INTR_ONLY) */ - - bus->dhd->dongle_reset = FALSE; - bus->dhd->up = TRUE; - -#if !defined(IGNORE_ETH0_DOWN) - /* Restore flow control */ - dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, OFF); -#endif - dhd_os_wd_timer(dhdp, dhd_watchdog_ms); -#ifdef BCMSDIOH_TXGLOM - if ((dhdp->busstate == DHD_BUS_DATA) && - bcmsdh_glom_enabled()) { - dhd_txglom_enable(dhdp, TRUE); - } -#endif /* BCMSDIOH_TXGLOM */ - DHD_TRACE(("%s: WLAN ON DONE\n", __FUNCTION__)); - } else { - dhd_bus_stop(bus, FALSE); - dhdsdio_release_dongle(bus, bus->dhd->osh, - TRUE, FALSE); - } - } else - bcmerror = BCME_SDIO_ERROR; - } else - bcmerror = BCME_SDIO_ERROR; - -#ifdef DHDTHREAD - dhd_os_sdunlock(dhdp); -#endif /* DHDTHREAD */ - } else { - bcmerror = BCME_SDIO_ERROR; - DHD_INFO(("%s called when dongle is not in reset\n", - __FUNCTION__)); - DHD_INFO(("Will call dhd_bus_start instead\n")); - sdioh_start(NULL, 1); - if ((bcmerror = dhd_bus_start(dhdp)) != 0) - DHD_ERROR(("%s: dhd_bus_start fail with %d\n", - __FUNCTION__, bcmerror)); - } - } - return bcmerror; -} - -/* Get Chip ID version */ -uint dhd_bus_chip_id(dhd_pub_t *dhdp) -{ - dhd_bus_t *bus = dhdp->bus; - - return bus->sih->chip; -} - -/* Get Chip Rev ID version */ -uint dhd_bus_chiprev_id(dhd_pub_t *dhdp) -{ - dhd_bus_t *bus = dhdp->bus; - - return bus->sih->chiprev; -} - -/* Get Chip Pkg ID version */ -uint dhd_bus_chippkg_id(dhd_pub_t *dhdp) -{ - dhd_bus_t *bus = dhdp->bus; - - return bus->sih->chippkg; -} - -int -dhd_bus_membytes(dhd_pub_t *dhdp, bool set, uint32 address, uint8 *data, uint size) -{ - dhd_bus_t *bus; - - bus = dhdp->bus; - return dhdsdio_membytes(bus, set, address, data, size); -} |