diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/ath/ath6kl/init.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/ath/ath6kl/init.c | 1686 |
1 files changed, 0 insertions, 1686 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/ath/ath6kl/init.c b/ANDROID_3.4.5/drivers/net/wireless/ath/ath6kl/init.c deleted file mode 100644 index 03cae142..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/ath/ath6kl/init.c +++ /dev/null @@ -1,1686 +0,0 @@ - -/* - * Copyright (c) 2011 Atheros Communications Inc. - * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/moduleparam.h> -#include <linux/errno.h> -#include <linux/export.h> -#include <linux/of.h> -#include <linux/mmc/sdio_func.h> - -#include "core.h" -#include "cfg80211.h" -#include "target.h" -#include "debug.h" -#include "hif-ops.h" - -static const struct ath6kl_hw hw_list[] = { - { - .id = AR6003_HW_2_0_VERSION, - .name = "ar6003 hw 2.0", - .dataset_patch_addr = 0x57e884, - .app_load_addr = 0x543180, - .board_ext_data_addr = 0x57e500, - .reserved_ram_size = 6912, - .refclk_hz = 26000000, - .uarttx_pin = 8, - - /* hw2.0 needs override address hardcoded */ - .app_start_override_addr = 0x944C00, - - .fw = { - .dir = AR6003_HW_2_0_FW_DIR, - .otp = AR6003_HW_2_0_OTP_FILE, - .fw = AR6003_HW_2_0_FIRMWARE_FILE, - .tcmd = AR6003_HW_2_0_TCMD_FIRMWARE_FILE, - .patch = AR6003_HW_2_0_PATCH_FILE, - }, - - .fw_board = AR6003_HW_2_0_BOARD_DATA_FILE, - .fw_default_board = AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE, - }, - { - .id = AR6003_HW_2_1_1_VERSION, - .name = "ar6003 hw 2.1.1", - .dataset_patch_addr = 0x57ff74, - .app_load_addr = 0x1234, - .board_ext_data_addr = 0x542330, - .reserved_ram_size = 512, - .refclk_hz = 26000000, - .uarttx_pin = 8, - .testscript_addr = 0x57ef74, - - .fw = { - .dir = AR6003_HW_2_1_1_FW_DIR, - .otp = AR6003_HW_2_1_1_OTP_FILE, - .fw = AR6003_HW_2_1_1_FIRMWARE_FILE, - .tcmd = AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE, - .patch = AR6003_HW_2_1_1_PATCH_FILE, - .utf = AR6003_HW_2_1_1_UTF_FIRMWARE_FILE, - .testscript = AR6003_HW_2_1_1_TESTSCRIPT_FILE, - }, - - .fw_board = AR6003_HW_2_1_1_BOARD_DATA_FILE, - .fw_default_board = AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE, - }, - { - .id = AR6004_HW_1_0_VERSION, - .name = "ar6004 hw 1.0", - .dataset_patch_addr = 0x57e884, - .app_load_addr = 0x1234, - .board_ext_data_addr = 0x437000, - .reserved_ram_size = 19456, - .board_addr = 0x433900, - .refclk_hz = 26000000, - .uarttx_pin = 11, - - .fw = { - .dir = AR6004_HW_1_0_FW_DIR, - .fw = AR6004_HW_1_0_FIRMWARE_FILE, - }, - - .fw_board = AR6004_HW_1_0_BOARD_DATA_FILE, - .fw_default_board = AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE, - }, - { - .id = AR6004_HW_1_1_VERSION, - .name = "ar6004 hw 1.1", - .dataset_patch_addr = 0x57e884, - .app_load_addr = 0x1234, - .board_ext_data_addr = 0x437000, - .reserved_ram_size = 11264, - .board_addr = 0x43d400, - .refclk_hz = 40000000, - .uarttx_pin = 11, - - .fw = { - .dir = AR6004_HW_1_1_FW_DIR, - .fw = AR6004_HW_1_1_FIRMWARE_FILE, - }, - - .fw_board = AR6004_HW_1_1_BOARD_DATA_FILE, - .fw_default_board = AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE, - }, -}; - -/* - * Include definitions here that can be used to tune the WLAN module - * behavior. Different customers can tune the behavior as per their needs, - * here. - */ - -/* - * This configuration item enable/disable keepalive support. - * Keepalive support: In the absence of any data traffic to AP, null - * frames will be sent to the AP at periodic interval, to keep the association - * active. This configuration item defines the periodic interval. - * Use value of zero to disable keepalive support - * Default: 60 seconds - */ -#define WLAN_CONFIG_KEEP_ALIVE_INTERVAL 60 - -/* - * This configuration item sets the value of disconnect timeout - * Firmware delays sending the disconnec event to the host for this - * timeout after is gets disconnected from the current AP. - * If the firmware successly roams within the disconnect timeout - * it sends a new connect event - */ -#define WLAN_CONFIG_DISCONNECT_TIMEOUT 10 - - -#define ATH6KL_DATA_OFFSET 64 -struct sk_buff *ath6kl_buf_alloc(int size) -{ - struct sk_buff *skb; - u16 reserved; - - /* Add chacheline space at front and back of buffer */ - reserved = (2 * L1_CACHE_BYTES) + ATH6KL_DATA_OFFSET + - sizeof(struct htc_packet) + ATH6KL_HTC_ALIGN_BYTES; - skb = dev_alloc_skb(size + reserved); - - if (skb) - skb_reserve(skb, reserved - L1_CACHE_BYTES); - return skb; -} - -void ath6kl_init_profile_info(struct ath6kl_vif *vif) -{ - vif->ssid_len = 0; - memset(vif->ssid, 0, sizeof(vif->ssid)); - - vif->dot11_auth_mode = OPEN_AUTH; - vif->auth_mode = NONE_AUTH; - vif->prwise_crypto = NONE_CRYPT; - vif->prwise_crypto_len = 0; - vif->grp_crypto = NONE_CRYPT; - vif->grp_crypto_len = 0; - memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); - memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); - memset(vif->bssid, 0, sizeof(vif->bssid)); - vif->bss_ch = 0; -} - -static int ath6kl_set_host_app_area(struct ath6kl *ar) -{ - u32 address, data; - struct host_app_area host_app_area; - - /* Fetch the address of the host_app_area_s - * instance in the host interest area */ - address = ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_app_host_interest)); - address = TARG_VTOP(ar->target_type, address); - - if (ath6kl_diag_read32(ar, address, &data)) - return -EIO; - - address = TARG_VTOP(ar->target_type, data); - host_app_area.wmi_protocol_ver = cpu_to_le32(WMI_PROTOCOL_VERSION); - if (ath6kl_diag_write(ar, address, (u8 *) &host_app_area, - sizeof(struct host_app_area))) - return -EIO; - - return 0; -} - -static inline void set_ac2_ep_map(struct ath6kl *ar, - u8 ac, - enum htc_endpoint_id ep) -{ - ar->ac2ep_map[ac] = ep; - ar->ep2ac_map[ep] = ac; -} - -/* connect to a service */ -static int ath6kl_connectservice(struct ath6kl *ar, - struct htc_service_connect_req *con_req, - char *desc) -{ - int status; - struct htc_service_connect_resp response; - - memset(&response, 0, sizeof(response)); - - status = ath6kl_htc_conn_service(ar->htc_target, con_req, &response); - if (status) { - ath6kl_err("failed to connect to %s service status:%d\n", - desc, status); - return status; - } - - switch (con_req->svc_id) { - case WMI_CONTROL_SVC: - if (test_bit(WMI_ENABLED, &ar->flag)) - ath6kl_wmi_set_control_ep(ar->wmi, response.endpoint); - ar->ctrl_ep = response.endpoint; - break; - case WMI_DATA_BE_SVC: - set_ac2_ep_map(ar, WMM_AC_BE, response.endpoint); - break; - case WMI_DATA_BK_SVC: - set_ac2_ep_map(ar, WMM_AC_BK, response.endpoint); - break; - case WMI_DATA_VI_SVC: - set_ac2_ep_map(ar, WMM_AC_VI, response.endpoint); - break; - case WMI_DATA_VO_SVC: - set_ac2_ep_map(ar, WMM_AC_VO, response.endpoint); - break; - default: - ath6kl_err("service id is not mapped %d\n", con_req->svc_id); - return -EINVAL; - } - - return 0; -} - -static int ath6kl_init_service_ep(struct ath6kl *ar) -{ - struct htc_service_connect_req connect; - - memset(&connect, 0, sizeof(connect)); - - /* these fields are the same for all service endpoints */ - connect.ep_cb.rx = ath6kl_rx; - connect.ep_cb.rx_refill = ath6kl_rx_refill; - connect.ep_cb.tx_full = ath6kl_tx_queue_full; - - /* - * Set the max queue depth so that our ath6kl_tx_queue_full handler - * gets called. - */ - connect.max_txq_depth = MAX_DEFAULT_SEND_QUEUE_DEPTH; - connect.ep_cb.rx_refill_thresh = ATH6KL_MAX_RX_BUFFERS / 4; - if (!connect.ep_cb.rx_refill_thresh) - connect.ep_cb.rx_refill_thresh++; - - /* connect to control service */ - connect.svc_id = WMI_CONTROL_SVC; - if (ath6kl_connectservice(ar, &connect, "WMI CONTROL")) - return -EIO; - - connect.flags |= HTC_FLGS_TX_BNDL_PAD_EN; - - /* - * Limit the HTC message size on the send path, although e can - * receive A-MSDU frames of 4K, we will only send ethernet-sized - * (802.3) frames on the send path. - */ - connect.max_rxmsg_sz = WMI_MAX_TX_DATA_FRAME_LENGTH; - - /* - * To reduce the amount of committed memory for larger A_MSDU - * frames, use the recv-alloc threshold mechanism for larger - * packets. - */ - connect.ep_cb.rx_alloc_thresh = ATH6KL_BUFFER_SIZE; - connect.ep_cb.rx_allocthresh = ath6kl_alloc_amsdu_rxbuf; - - /* - * For the remaining data services set the connection flag to - * reduce dribbling, if configured to do so. - */ - connect.conn_flags |= HTC_CONN_FLGS_REDUCE_CRED_DRIB; - connect.conn_flags &= ~HTC_CONN_FLGS_THRESH_MASK; - connect.conn_flags |= HTC_CONN_FLGS_THRESH_LVL_HALF; - - connect.svc_id = WMI_DATA_BE_SVC; - - if (ath6kl_connectservice(ar, &connect, "WMI DATA BE")) - return -EIO; - - /* connect to back-ground map this to WMI LOW_PRI */ - connect.svc_id = WMI_DATA_BK_SVC; - if (ath6kl_connectservice(ar, &connect, "WMI DATA BK")) - return -EIO; - - /* connect to Video service, map this to to HI PRI */ - connect.svc_id = WMI_DATA_VI_SVC; - if (ath6kl_connectservice(ar, &connect, "WMI DATA VI")) - return -EIO; - - /* - * Connect to VO service, this is currently not mapped to a WMI - * priority stream due to historical reasons. WMI originally - * defined 3 priorities over 3 mailboxes We can change this when - * WMI is reworked so that priorities are not dependent on - * mailboxes. - */ - connect.svc_id = WMI_DATA_VO_SVC; - if (ath6kl_connectservice(ar, &connect, "WMI DATA VO")) - return -EIO; - - return 0; -} - -void ath6kl_init_control_info(struct ath6kl_vif *vif) -{ - ath6kl_init_profile_info(vif); - vif->def_txkey_index = 0; - memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); - vif->ch_hint = 0; -} - -/* - * Set HTC/Mbox operational parameters, this can only be called when the - * target is in the BMI phase. - */ -static int ath6kl_set_htc_params(struct ath6kl *ar, u32 mbox_isr_yield_val, - u8 htc_ctrl_buf) -{ - int status; - u32 blk_size; - - blk_size = ar->mbox_info.block_size; - - if (htc_ctrl_buf) - blk_size |= ((u32)htc_ctrl_buf) << 16; - - /* set the host interest area for the block size */ - status = ath6kl_bmi_write_hi32(ar, hi_mbox_io_block_sz, blk_size); - if (status) { - ath6kl_err("bmi_write_memory for IO block size failed\n"); - goto out; - } - - ath6kl_dbg(ATH6KL_DBG_TRC, "block size set: %d (target addr:0x%X)\n", - blk_size, - ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_mbox_io_block_sz))); - - if (mbox_isr_yield_val) { - /* set the host interest area for the mbox ISR yield limit */ - status = ath6kl_bmi_write_hi32(ar, hi_mbox_isr_yield_limit, - mbox_isr_yield_val); - if (status) { - ath6kl_err("bmi_write_memory for yield limit failed\n"); - goto out; - } - } - -out: - return status; -} - -static int ath6kl_target_config_wlan_params(struct ath6kl *ar, int idx) -{ - int ret; - - /* - * Configure the device for rx dot11 header rules. "0,0" are the - * default values. Required if checksum offload is needed. Set - * RxMetaVersion to 2. - */ - ret = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, idx, - ar->rx_meta_ver, 0, 0); - if (ret) { - ath6kl_err("unable to set the rx frame format: %d\n", ret); - return ret; - } - - if (ar->conf_flags & ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN) { - ret = ath6kl_wmi_pmparams_cmd(ar->wmi, idx, 0, 1, 0, 0, 1, - IGNORE_PS_FAIL_DURING_SCAN); - if (ret) { - ath6kl_err("unable to set power save fail event policy: %d\n", - ret); - return ret; - } - } - - if (!(ar->conf_flags & ATH6KL_CONF_IGNORE_ERP_BARKER)) { - ret = ath6kl_wmi_set_lpreamble_cmd(ar->wmi, idx, 0, - WMI_FOLLOW_BARKER_IN_ERP); - if (ret) { - ath6kl_err("unable to set barker preamble policy: %d\n", - ret); - return ret; - } - } - - ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, idx, - WLAN_CONFIG_KEEP_ALIVE_INTERVAL); - if (ret) { - ath6kl_err("unable to set keep alive interval: %d\n", ret); - return ret; - } - - ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, idx, - WLAN_CONFIG_DISCONNECT_TIMEOUT); - if (ret) { - ath6kl_err("unable to set disconnect timeout: %d\n", ret); - return ret; - } - - if (!(ar->conf_flags & ATH6KL_CONF_ENABLE_TX_BURST)) { - ret = ath6kl_wmi_set_wmm_txop(ar->wmi, idx, WMI_TXOP_DISABLED); - if (ret) { - ath6kl_err("unable to set txop bursting: %d\n", ret); - return ret; - } - } - - if (ar->p2p && (ar->vif_max == 1 || idx)) { - ret = ath6kl_wmi_info_req_cmd(ar->wmi, idx, - P2P_FLAG_CAPABILITIES_REQ | - P2P_FLAG_MACADDR_REQ | - P2P_FLAG_HMODEL_REQ); - if (ret) { - ath6kl_dbg(ATH6KL_DBG_TRC, "failed to request P2P " - "capabilities (%d) - assuming P2P not " - "supported\n", ret); - ar->p2p = false; - } - } - - if (ar->p2p && (ar->vif_max == 1 || idx)) { - /* Enable Probe Request reporting for P2P */ - ret = ath6kl_wmi_probe_report_req_cmd(ar->wmi, idx, true); - if (ret) { - ath6kl_dbg(ATH6KL_DBG_TRC, "failed to enable Probe " - "Request reporting (%d)\n", ret); - } - } - - return ret; -} - -int ath6kl_configure_target(struct ath6kl *ar) -{ - u32 param, ram_reserved_size; - u8 fw_iftype, fw_mode = 0, fw_submode = 0; - int i, status; - - param = !!(ar->conf_flags & ATH6KL_CONF_UART_DEBUG); - if (ath6kl_bmi_write_hi32(ar, hi_serial_enable, param)) { - ath6kl_err("bmi_write_memory for uart debug failed\n"); - return -EIO; - } - - /* - * Note: Even though the firmware interface type is - * chosen as BSS_STA for all three interfaces, can - * be configured to IBSS/AP as long as the fw submode - * remains normal mode (0 - AP, STA and IBSS). But - * due to an target assert in firmware only one interface is - * configured for now. - */ - fw_iftype = HI_OPTION_FW_MODE_BSS_STA; - - for (i = 0; i < ar->vif_max; i++) - fw_mode |= fw_iftype << (i * HI_OPTION_FW_MODE_BITS); - - /* - * By default, submodes : - * vif[0] - AP/STA/IBSS - * vif[1] - "P2P dev"/"P2P GO"/"P2P Client" - * vif[2] - "P2P dev"/"P2P GO"/"P2P Client" - */ - - for (i = 0; i < ar->max_norm_iface; i++) - fw_submode |= HI_OPTION_FW_SUBMODE_NONE << - (i * HI_OPTION_FW_SUBMODE_BITS); - - for (i = ar->max_norm_iface; i < ar->vif_max; i++) - fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV << - (i * HI_OPTION_FW_SUBMODE_BITS); - - if (ar->p2p && ar->vif_max == 1) - fw_submode = HI_OPTION_FW_SUBMODE_P2PDEV; - - if (ath6kl_bmi_write_hi32(ar, hi_app_host_interest, - HTC_PROTOCOL_VERSION) != 0) { - ath6kl_err("bmi_write_memory for htc version failed\n"); - return -EIO; - } - - /* set the firmware mode to STA/IBSS/AP */ - param = 0; - - if (ath6kl_bmi_read_hi32(ar, hi_option_flag, ¶m) != 0) { - ath6kl_err("bmi_read_memory for setting fwmode failed\n"); - return -EIO; - } - - param |= (ar->vif_max << HI_OPTION_NUM_DEV_SHIFT); - param |= fw_mode << HI_OPTION_FW_MODE_SHIFT; - param |= fw_submode << HI_OPTION_FW_SUBMODE_SHIFT; - - param |= (0 << HI_OPTION_MAC_ADDR_METHOD_SHIFT); - param |= (0 << HI_OPTION_FW_BRIDGE_SHIFT); - - if (ath6kl_bmi_write_hi32(ar, hi_option_flag, param) != 0) { - ath6kl_err("bmi_write_memory for setting fwmode failed\n"); - return -EIO; - } - - ath6kl_dbg(ATH6KL_DBG_TRC, "firmware mode set\n"); - - /* - * Hardcode the address use for the extended board data - * Ideally this should be pre-allocate by the OS at boot time - * But since it is a new feature and board data is loaded - * at init time, we have to workaround this from host. - * It is difficult to patch the firmware boot code, - * but possible in theory. - */ - - param = ar->hw.board_ext_data_addr; - ram_reserved_size = ar->hw.reserved_ram_size; - - if (ath6kl_bmi_write_hi32(ar, hi_board_ext_data, param) != 0) { - ath6kl_err("bmi_write_memory for hi_board_ext_data failed\n"); - return -EIO; - } - - if (ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz, - ram_reserved_size) != 0) { - ath6kl_err("bmi_write_memory for hi_end_ram_reserve_sz failed\n"); - return -EIO; - } - - /* set the block size for the target */ - if (ath6kl_set_htc_params(ar, MBOX_YIELD_LIMIT, 0)) - /* use default number of control buffers */ - return -EIO; - - /* Configure GPIO AR600x UART */ - status = ath6kl_bmi_write_hi32(ar, hi_dbg_uart_txpin, - ar->hw.uarttx_pin); - if (status) - return status; - - /* Configure target refclk_hz */ - status = ath6kl_bmi_write_hi32(ar, hi_refclk_hz, ar->hw.refclk_hz); - if (status) - return status; - - return 0; -} - -/* firmware upload */ -static int ath6kl_get_fw(struct ath6kl *ar, const char *filename, - u8 **fw, size_t *fw_len) -{ - const struct firmware *fw_entry; - int ret; - - ret = request_firmware(&fw_entry, filename, ar->dev); - if (ret) - return ret; - - *fw_len = fw_entry->size; - *fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL); - - if (*fw == NULL) - ret = -ENOMEM; - - release_firmware(fw_entry); - - return ret; -} - -#ifdef CONFIG_OF -/* - * Check the device tree for a board-id and use it to construct - * the pathname to the firmware file. Used (for now) to find a - * fallback to the "bdata.bin" file--typically a symlink to the - * appropriate board-specific file. - */ -static bool check_device_tree(struct ath6kl *ar) -{ - static const char *board_id_prop = "atheros,board-id"; - struct device_node *node; - char board_filename[64]; - const char *board_id; - int ret; - - for_each_compatible_node(node, NULL, "atheros,ath6kl") { - board_id = of_get_property(node, board_id_prop, NULL); - if (board_id == NULL) { - ath6kl_warn("No \"%s\" property on %s node.\n", - board_id_prop, node->name); - continue; - } - snprintf(board_filename, sizeof(board_filename), - "%s/bdata.%s.bin", ar->hw.fw.dir, board_id); - - ret = ath6kl_get_fw(ar, board_filename, &ar->fw_board, - &ar->fw_board_len); - if (ret) { - ath6kl_err("Failed to get DT board file %s: %d\n", - board_filename, ret); - continue; - } - return true; - } - return false; -} -#else -static bool check_device_tree(struct ath6kl *ar) -{ - return false; -} -#endif /* CONFIG_OF */ - -static int ath6kl_fetch_board_file(struct ath6kl *ar) -{ - const char *filename; - int ret; - - if (ar->fw_board != NULL) - return 0; - - if (WARN_ON(ar->hw.fw_board == NULL)) - return -EINVAL; - - filename = ar->hw.fw_board; - - ret = ath6kl_get_fw(ar, filename, &ar->fw_board, - &ar->fw_board_len); - if (ret == 0) { - /* managed to get proper board file */ - return 0; - } - - if (check_device_tree(ar)) { - /* got board file from device tree */ - return 0; - } - - /* there was no proper board file, try to use default instead */ - ath6kl_warn("Failed to get board file %s (%d), trying to find default board file.\n", - filename, ret); - - filename = ar->hw.fw_default_board; - - ret = ath6kl_get_fw(ar, filename, &ar->fw_board, - &ar->fw_board_len); - if (ret) { - ath6kl_err("Failed to get default board file %s: %d\n", - filename, ret); - return ret; - } - - ath6kl_warn("WARNING! No proper board file was not found, instead using a default board file.\n"); - ath6kl_warn("Most likely your hardware won't work as specified. Install correct board file!\n"); - - return 0; -} - -static int ath6kl_fetch_otp_file(struct ath6kl *ar) -{ - char filename[100]; - int ret; - - if (ar->fw_otp != NULL) - return 0; - - if (ar->hw.fw.otp == NULL) { - ath6kl_dbg(ATH6KL_DBG_BOOT, - "no OTP file configured for this hw\n"); - return 0; - } - - snprintf(filename, sizeof(filename), "%s/%s", - ar->hw.fw.dir, ar->hw.fw.otp); - - ret = ath6kl_get_fw(ar, filename, &ar->fw_otp, - &ar->fw_otp_len); - if (ret) { - ath6kl_err("Failed to get OTP file %s: %d\n", - filename, ret); - return ret; - } - - return 0; -} - -static int ath6kl_fetch_testmode_file(struct ath6kl *ar) -{ - char filename[100]; - int ret; - - if (ar->testmode == 0) - return 0; - - ath6kl_dbg(ATH6KL_DBG_BOOT, "testmode %d\n", ar->testmode); - - if (ar->testmode == 2) { - if (ar->hw.fw.utf == NULL) { - ath6kl_warn("testmode 2 not supported\n"); - return -EOPNOTSUPP; - } - - snprintf(filename, sizeof(filename), "%s/%s", - ar->hw.fw.dir, ar->hw.fw.utf); - } else { - if (ar->hw.fw.tcmd == NULL) { - ath6kl_warn("testmode 1 not supported\n"); - return -EOPNOTSUPP; - } - - snprintf(filename, sizeof(filename), "%s/%s", - ar->hw.fw.dir, ar->hw.fw.tcmd); - } - - set_bit(TESTMODE, &ar->flag); - - ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len); - if (ret) { - ath6kl_err("Failed to get testmode %d firmware file %s: %d\n", - ar->testmode, filename, ret); - return ret; - } - - return 0; -} - -static int ath6kl_fetch_fw_file(struct ath6kl *ar) -{ - char filename[100]; - int ret; - - if (ar->fw != NULL) - return 0; - - /* FIXME: remove WARN_ON() as we won't support FW API 1 for long */ - if (WARN_ON(ar->hw.fw.fw == NULL)) - return -EINVAL; - - snprintf(filename, sizeof(filename), "%s/%s", - ar->hw.fw.dir, ar->hw.fw.fw); - - ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len); - if (ret) { - ath6kl_err("Failed to get firmware file %s: %d\n", - filename, ret); - return ret; - } - - return 0; -} - -static int ath6kl_fetch_patch_file(struct ath6kl *ar) -{ - char filename[100]; - int ret; - - if (ar->fw_patch != NULL) - return 0; - - if (ar->hw.fw.patch == NULL) - return 0; - - snprintf(filename, sizeof(filename), "%s/%s", - ar->hw.fw.dir, ar->hw.fw.patch); - - ret = ath6kl_get_fw(ar, filename, &ar->fw_patch, - &ar->fw_patch_len); - if (ret) { - ath6kl_err("Failed to get patch file %s: %d\n", - filename, ret); - return ret; - } - - return 0; -} - -static int ath6kl_fetch_testscript_file(struct ath6kl *ar) -{ - char filename[100]; - int ret; - - if (ar->testmode != 2) - return 0; - - if (ar->fw_testscript != NULL) - return 0; - - if (ar->hw.fw.testscript == NULL) - return 0; - - snprintf(filename, sizeof(filename), "%s/%s", - ar->hw.fw.dir, ar->hw.fw.testscript); - - ret = ath6kl_get_fw(ar, filename, &ar->fw_testscript, - &ar->fw_testscript_len); - if (ret) { - ath6kl_err("Failed to get testscript file %s: %d\n", - filename, ret); - return ret; - } - - return 0; -} - -static int ath6kl_fetch_fw_api1(struct ath6kl *ar) -{ - int ret; - - ret = ath6kl_fetch_otp_file(ar); - if (ret) - return ret; - - ret = ath6kl_fetch_fw_file(ar); - if (ret) - return ret; - - ret = ath6kl_fetch_patch_file(ar); - if (ret) - return ret; - - ret = ath6kl_fetch_testscript_file(ar); - if (ret) - return ret; - - return 0; -} - -static int ath6kl_fetch_fw_apin(struct ath6kl *ar, const char *name) -{ - size_t magic_len, len, ie_len; - const struct firmware *fw; - struct ath6kl_fw_ie *hdr; - char filename[100]; - const u8 *data; - int ret, ie_id, i, index, bit; - __le32 *val; - - snprintf(filename, sizeof(filename), "%s/%s", ar->hw.fw.dir, name); - - ret = request_firmware(&fw, filename, ar->dev); - if (ret) - return ret; - - data = fw->data; - len = fw->size; - - /* magic also includes the null byte, check that as well */ - magic_len = strlen(ATH6KL_FIRMWARE_MAGIC) + 1; - - if (len < magic_len) { - ret = -EINVAL; - goto out; - } - - if (memcmp(data, ATH6KL_FIRMWARE_MAGIC, magic_len) != 0) { - ret = -EINVAL; - goto out; - } - - len -= magic_len; - data += magic_len; - - /* loop elements */ - while (len > sizeof(struct ath6kl_fw_ie)) { - /* hdr is unaligned! */ - hdr = (struct ath6kl_fw_ie *) data; - - ie_id = le32_to_cpup(&hdr->id); - ie_len = le32_to_cpup(&hdr->len); - - len -= sizeof(*hdr); - data += sizeof(*hdr); - - if (len < ie_len) { - ret = -EINVAL; - goto out; - } - - switch (ie_id) { - case ATH6KL_FW_IE_OTP_IMAGE: - ath6kl_dbg(ATH6KL_DBG_BOOT, "found otp image ie (%zd B)\n", - ie_len); - - ar->fw_otp = kmemdup(data, ie_len, GFP_KERNEL); - - if (ar->fw_otp == NULL) { - ret = -ENOMEM; - goto out; - } - - ar->fw_otp_len = ie_len; - break; - case ATH6KL_FW_IE_FW_IMAGE: - ath6kl_dbg(ATH6KL_DBG_BOOT, "found fw image ie (%zd B)\n", - ie_len); - - /* in testmode we already might have a fw file */ - if (ar->fw != NULL) - break; - - ar->fw = kmemdup(data, ie_len, GFP_KERNEL); - - if (ar->fw == NULL) { - ret = -ENOMEM; - goto out; - } - - ar->fw_len = ie_len; - break; - case ATH6KL_FW_IE_PATCH_IMAGE: - ath6kl_dbg(ATH6KL_DBG_BOOT, "found patch image ie (%zd B)\n", - ie_len); - - ar->fw_patch = kmemdup(data, ie_len, GFP_KERNEL); - - if (ar->fw_patch == NULL) { - ret = -ENOMEM; - goto out; - } - - ar->fw_patch_len = ie_len; - break; - case ATH6KL_FW_IE_RESERVED_RAM_SIZE: - val = (__le32 *) data; - ar->hw.reserved_ram_size = le32_to_cpup(val); - - ath6kl_dbg(ATH6KL_DBG_BOOT, - "found reserved ram size ie 0x%d\n", - ar->hw.reserved_ram_size); - break; - case ATH6KL_FW_IE_CAPABILITIES: - if (ie_len < DIV_ROUND_UP(ATH6KL_FW_CAPABILITY_MAX, 8)) - break; - - ath6kl_dbg(ATH6KL_DBG_BOOT, - "found firmware capabilities ie (%zd B)\n", - ie_len); - - for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) { - index = i / 8; - bit = i % 8; - - if (data[index] & (1 << bit)) - __set_bit(i, ar->fw_capabilities); - } - - ath6kl_dbg_dump(ATH6KL_DBG_BOOT, "capabilities", "", - ar->fw_capabilities, - sizeof(ar->fw_capabilities)); - break; - case ATH6KL_FW_IE_PATCH_ADDR: - if (ie_len != sizeof(*val)) - break; - - val = (__le32 *) data; - ar->hw.dataset_patch_addr = le32_to_cpup(val); - - ath6kl_dbg(ATH6KL_DBG_BOOT, - "found patch address ie 0x%x\n", - ar->hw.dataset_patch_addr); - break; - case ATH6KL_FW_IE_BOARD_ADDR: - if (ie_len != sizeof(*val)) - break; - - val = (__le32 *) data; - ar->hw.board_addr = le32_to_cpup(val); - - ath6kl_dbg(ATH6KL_DBG_BOOT, - "found board address ie 0x%x\n", - ar->hw.board_addr); - break; - case ATH6KL_FW_IE_VIF_MAX: - if (ie_len != sizeof(*val)) - break; - - val = (__le32 *) data; - ar->vif_max = min_t(unsigned int, le32_to_cpup(val), - ATH6KL_VIF_MAX); - - if (ar->vif_max > 1 && !ar->p2p) - ar->max_norm_iface = 2; - - ath6kl_dbg(ATH6KL_DBG_BOOT, - "found vif max ie %d\n", ar->vif_max); - break; - default: - ath6kl_dbg(ATH6KL_DBG_BOOT, "Unknown fw ie: %u\n", - le32_to_cpup(&hdr->id)); - break; - } - - len -= ie_len; - data += ie_len; - }; - - ret = 0; -out: - release_firmware(fw); - - return ret; -} - -int ath6kl_init_fetch_firmwares(struct ath6kl *ar) -{ - int ret; - - ret = ath6kl_fetch_board_file(ar); - if (ret) - return ret; - - ret = ath6kl_fetch_testmode_file(ar); - if (ret) - return ret; - - ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API3_FILE); - if (ret == 0) { - ar->fw_api = 3; - goto out; - } - - ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API2_FILE); - if (ret == 0) { - ar->fw_api = 2; - goto out; - } - - ret = ath6kl_fetch_fw_api1(ar); - if (ret) - return ret; - - ar->fw_api = 1; - -out: - ath6kl_dbg(ATH6KL_DBG_BOOT, "using fw api %d\n", ar->fw_api); - - return 0; -} - -static int ath6kl_upload_board_file(struct ath6kl *ar) -{ - u32 board_address, board_ext_address, param; - u32 board_data_size, board_ext_data_size; - int ret; - - if (WARN_ON(ar->fw_board == NULL)) - return -ENOENT; - - /* - * Determine where in Target RAM to write Board Data. - * For AR6004, host determine Target RAM address for - * writing board data. - */ - if (ar->hw.board_addr != 0) { - board_address = ar->hw.board_addr; - ath6kl_bmi_write_hi32(ar, hi_board_data, - board_address); - } else { - ath6kl_bmi_read_hi32(ar, hi_board_data, &board_address); - } - - /* determine where in target ram to write extended board data */ - ath6kl_bmi_read_hi32(ar, hi_board_ext_data, &board_ext_address); - - if (ar->target_type == TARGET_TYPE_AR6003 && - board_ext_address == 0) { - ath6kl_err("Failed to get board file target address.\n"); - return -EINVAL; - } - - switch (ar->target_type) { - case TARGET_TYPE_AR6003: - board_data_size = AR6003_BOARD_DATA_SZ; - board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ; - if (ar->fw_board_len > (board_data_size + board_ext_data_size)) - board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ_V2; - break; - case TARGET_TYPE_AR6004: - board_data_size = AR6004_BOARD_DATA_SZ; - board_ext_data_size = AR6004_BOARD_EXT_DATA_SZ; - break; - default: - WARN_ON(1); - return -EINVAL; - break; - } - - if (board_ext_address && - ar->fw_board_len == (board_data_size + board_ext_data_size)) { - - /* write extended board data */ - ath6kl_dbg(ATH6KL_DBG_BOOT, - "writing extended board data to 0x%x (%d B)\n", - board_ext_address, board_ext_data_size); - - ret = ath6kl_bmi_write(ar, board_ext_address, - ar->fw_board + board_data_size, - board_ext_data_size); - if (ret) { - ath6kl_err("Failed to write extended board data: %d\n", - ret); - return ret; - } - - /* record that extended board data is initialized */ - param = (board_ext_data_size << 16) | 1; - - ath6kl_bmi_write_hi32(ar, hi_board_ext_data_config, param); - } - - if (ar->fw_board_len < board_data_size) { - ath6kl_err("Too small board file: %zu\n", ar->fw_board_len); - ret = -EINVAL; - return ret; - } - - ath6kl_dbg(ATH6KL_DBG_BOOT, "writing board file to 0x%x (%d B)\n", - board_address, board_data_size); - - ret = ath6kl_bmi_write(ar, board_address, ar->fw_board, - board_data_size); - - if (ret) { - ath6kl_err("Board file bmi write failed: %d\n", ret); - return ret; - } - - /* record the fact that Board Data IS initialized */ - ath6kl_bmi_write_hi32(ar, hi_board_data_initialized, 1); - - return ret; -} - -static int ath6kl_upload_otp(struct ath6kl *ar) -{ - u32 address, param; - bool from_hw = false; - int ret; - - if (ar->fw_otp == NULL) - return 0; - - address = ar->hw.app_load_addr; - - ath6kl_dbg(ATH6KL_DBG_BOOT, "writing otp to 0x%x (%zd B)\n", address, - ar->fw_otp_len); - - ret = ath6kl_bmi_fast_download(ar, address, ar->fw_otp, - ar->fw_otp_len); - if (ret) { - ath6kl_err("Failed to upload OTP file: %d\n", ret); - return ret; - } - - /* read firmware start address */ - ret = ath6kl_bmi_read_hi32(ar, hi_app_start, &address); - - if (ret) { - ath6kl_err("Failed to read hi_app_start: %d\n", ret); - return ret; - } - - if (ar->hw.app_start_override_addr == 0) { - ar->hw.app_start_override_addr = address; - from_hw = true; - } - - ath6kl_dbg(ATH6KL_DBG_BOOT, "app_start_override_addr%s 0x%x\n", - from_hw ? " (from hw)" : "", - ar->hw.app_start_override_addr); - - /* execute the OTP code */ - ath6kl_dbg(ATH6KL_DBG_BOOT, "executing OTP at 0x%x\n", - ar->hw.app_start_override_addr); - param = 0; - ath6kl_bmi_execute(ar, ar->hw.app_start_override_addr, ¶m); - - return ret; -} - -static int ath6kl_upload_firmware(struct ath6kl *ar) -{ - u32 address; - int ret; - - if (WARN_ON(ar->fw == NULL)) - return 0; - - address = ar->hw.app_load_addr; - - ath6kl_dbg(ATH6KL_DBG_BOOT, "writing firmware to 0x%x (%zd B)\n", - address, ar->fw_len); - - ret = ath6kl_bmi_fast_download(ar, address, ar->fw, ar->fw_len); - - if (ret) { - ath6kl_err("Failed to write firmware: %d\n", ret); - return ret; - } - - /* - * Set starting address for firmware - * Don't need to setup app_start override addr on AR6004 - */ - if (ar->target_type != TARGET_TYPE_AR6004) { - address = ar->hw.app_start_override_addr; - ath6kl_bmi_set_app_start(ar, address); - } - return ret; -} - -static int ath6kl_upload_patch(struct ath6kl *ar) -{ - u32 address; - int ret; - - if (ar->fw_patch == NULL) - return 0; - - address = ar->hw.dataset_patch_addr; - - ath6kl_dbg(ATH6KL_DBG_BOOT, "writing patch to 0x%x (%zd B)\n", - address, ar->fw_patch_len); - - ret = ath6kl_bmi_write(ar, address, ar->fw_patch, ar->fw_patch_len); - if (ret) { - ath6kl_err("Failed to write patch file: %d\n", ret); - return ret; - } - - ath6kl_bmi_write_hi32(ar, hi_dset_list_head, address); - - return 0; -} - -static int ath6kl_upload_testscript(struct ath6kl *ar) -{ - u32 address; - int ret; - - if (ar->testmode != 2) - return 0; - - if (ar->fw_testscript == NULL) - return 0; - - address = ar->hw.testscript_addr; - - ath6kl_dbg(ATH6KL_DBG_BOOT, "writing testscript to 0x%x (%zd B)\n", - address, ar->fw_testscript_len); - - ret = ath6kl_bmi_write(ar, address, ar->fw_testscript, - ar->fw_testscript_len); - if (ret) { - ath6kl_err("Failed to write testscript file: %d\n", ret); - return ret; - } - - ath6kl_bmi_write_hi32(ar, hi_ota_testscript, address); - ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz, 4096); - ath6kl_bmi_write_hi32(ar, hi_test_apps_related, 1); - - return 0; -} - -static int ath6kl_init_upload(struct ath6kl *ar) -{ - u32 param, options, sleep, address; - int status = 0; - - if (ar->target_type != TARGET_TYPE_AR6003 && - ar->target_type != TARGET_TYPE_AR6004) - return -EINVAL; - - /* temporarily disable system sleep */ - address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS; - status = ath6kl_bmi_reg_read(ar, address, ¶m); - if (status) - return status; - - options = param; - - param |= ATH6KL_OPTION_SLEEP_DISABLE; - status = ath6kl_bmi_reg_write(ar, address, param); - if (status) - return status; - - address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS; - status = ath6kl_bmi_reg_read(ar, address, ¶m); - if (status) - return status; - - sleep = param; - - param |= SM(SYSTEM_SLEEP_DISABLE, 1); - status = ath6kl_bmi_reg_write(ar, address, param); - if (status) - return status; - - ath6kl_dbg(ATH6KL_DBG_TRC, "old options: %d, old sleep: %d\n", - options, sleep); - - /* program analog PLL register */ - /* no need to control 40/44MHz clock on AR6004 */ - if (ar->target_type != TARGET_TYPE_AR6004) { - status = ath6kl_bmi_reg_write(ar, ATH6KL_ANALOG_PLL_REGISTER, - 0xF9104001); - - if (status) - return status; - - /* Run at 80/88MHz by default */ - param = SM(CPU_CLOCK_STANDARD, 1); - - address = RTC_BASE_ADDRESS + CPU_CLOCK_ADDRESS; - status = ath6kl_bmi_reg_write(ar, address, param); - if (status) - return status; - } - - param = 0; - address = RTC_BASE_ADDRESS + LPO_CAL_ADDRESS; - param = SM(LPO_CAL_ENABLE, 1); - status = ath6kl_bmi_reg_write(ar, address, param); - if (status) - return status; - - /* WAR to avoid SDIO CRC err */ - if (ar->version.target_ver == AR6003_HW_2_0_VERSION || - ar->version.target_ver == AR6003_HW_2_1_1_VERSION) { - ath6kl_err("temporary war to avoid sdio crc error\n"); - - param = 0x20; - - address = GPIO_BASE_ADDRESS + GPIO_PIN10_ADDRESS; - status = ath6kl_bmi_reg_write(ar, address, param); - if (status) - return status; - - address = GPIO_BASE_ADDRESS + GPIO_PIN11_ADDRESS; - status = ath6kl_bmi_reg_write(ar, address, param); - if (status) - return status; - - address = GPIO_BASE_ADDRESS + GPIO_PIN12_ADDRESS; - status = ath6kl_bmi_reg_write(ar, address, param); - if (status) - return status; - - address = GPIO_BASE_ADDRESS + GPIO_PIN13_ADDRESS; - status = ath6kl_bmi_reg_write(ar, address, param); - if (status) - return status; - } - - /* write EEPROM data to Target RAM */ - status = ath6kl_upload_board_file(ar); - if (status) - return status; - - /* transfer One time Programmable data */ - status = ath6kl_upload_otp(ar); - if (status) - return status; - - /* Download Target firmware */ - status = ath6kl_upload_firmware(ar); - if (status) - return status; - - status = ath6kl_upload_patch(ar); - if (status) - return status; - - /* Download the test script */ - status = ath6kl_upload_testscript(ar); - if (status) - return status; - - /* Restore system sleep */ - address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS; - status = ath6kl_bmi_reg_write(ar, address, sleep); - if (status) - return status; - - address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS; - param = options | 0x20; - status = ath6kl_bmi_reg_write(ar, address, param); - if (status) - return status; - - return status; -} - -int ath6kl_init_hw_params(struct ath6kl *ar) -{ - const struct ath6kl_hw *uninitialized_var(hw); - int i; - - for (i = 0; i < ARRAY_SIZE(hw_list); i++) { - hw = &hw_list[i]; - - if (hw->id == ar->version.target_ver) - break; - } - - if (i == ARRAY_SIZE(hw_list)) { - ath6kl_err("Unsupported hardware version: 0x%x\n", - ar->version.target_ver); - return -EINVAL; - } - - ar->hw = *hw; - - ath6kl_dbg(ATH6KL_DBG_BOOT, - "target_ver 0x%x target_type 0x%x dataset_patch 0x%x app_load_addr 0x%x\n", - ar->version.target_ver, ar->target_type, - ar->hw.dataset_patch_addr, ar->hw.app_load_addr); - ath6kl_dbg(ATH6KL_DBG_BOOT, - "app_start_override_addr 0x%x board_ext_data_addr 0x%x reserved_ram_size 0x%x", - ar->hw.app_start_override_addr, ar->hw.board_ext_data_addr, - ar->hw.reserved_ram_size); - ath6kl_dbg(ATH6KL_DBG_BOOT, - "refclk_hz %d uarttx_pin %d", - ar->hw.refclk_hz, ar->hw.uarttx_pin); - - return 0; -} - -static const char *ath6kl_init_get_hif_name(enum ath6kl_hif_type type) -{ - switch (type) { - case ATH6KL_HIF_TYPE_SDIO: - return "sdio"; - case ATH6KL_HIF_TYPE_USB: - return "usb"; - } - - return NULL; -} - -int ath6kl_init_hw_start(struct ath6kl *ar) -{ - long timeleft; - int ret, i; - - ath6kl_dbg(ATH6KL_DBG_BOOT, "hw start\n"); - - ret = ath6kl_hif_power_on(ar); - if (ret) - return ret; - - ret = ath6kl_configure_target(ar); - if (ret) - goto err_power_off; - - ret = ath6kl_init_upload(ar); - if (ret) - goto err_power_off; - - /* Do we need to finish the BMI phase */ - /* FIXME: return error from ath6kl_bmi_done() */ - if (ath6kl_bmi_done(ar)) { - ret = -EIO; - goto err_power_off; - } - - /* - * The reason we have to wait for the target here is that the - * driver layer has to init BMI in order to set the host block - * size. - */ - if (ath6kl_htc_wait_target(ar->htc_target)) { - ret = -EIO; - goto err_power_off; - } - - if (ath6kl_init_service_ep(ar)) { - ret = -EIO; - goto err_cleanup_scatter; - } - - /* setup credit distribution */ - ath6kl_credit_setup(ar->htc_target, &ar->credit_state_info); - - /* start HTC */ - ret = ath6kl_htc_start(ar->htc_target); - if (ret) { - /* FIXME: call this */ - ath6kl_cookie_cleanup(ar); - goto err_cleanup_scatter; - } - - /* Wait for Wmi event to be ready */ - timeleft = wait_event_interruptible_timeout(ar->event_wq, - test_bit(WMI_READY, - &ar->flag), - WMI_TIMEOUT); - - ath6kl_dbg(ATH6KL_DBG_BOOT, "firmware booted\n"); - - - if (test_and_clear_bit(FIRST_BOOT, &ar->flag)) { - ath6kl_info("%s %s fw %s api %d%s\n", - ar->hw.name, - ath6kl_init_get_hif_name(ar->hif_type), - ar->wiphy->fw_version, - ar->fw_api, - test_bit(TESTMODE, &ar->flag) ? " testmode" : ""); - } - - if (ar->version.abi_ver != ATH6KL_ABI_VERSION) { - ath6kl_err("abi version mismatch: host(0x%x), target(0x%x)\n", - ATH6KL_ABI_VERSION, ar->version.abi_ver); - ret = -EIO; - goto err_htc_stop; - } - - if (!timeleft || signal_pending(current)) { - ath6kl_err("wmi is not ready or wait was interrupted\n"); - ret = -EIO; - goto err_htc_stop; - } - - ath6kl_dbg(ATH6KL_DBG_TRC, "%s: wmi is ready\n", __func__); - - /* communicate the wmi protocol verision to the target */ - /* FIXME: return error */ - if ((ath6kl_set_host_app_area(ar)) != 0) - ath6kl_err("unable to set the host app area\n"); - - for (i = 0; i < ar->vif_max; i++) { - ret = ath6kl_target_config_wlan_params(ar, i); - if (ret) - goto err_htc_stop; - } - - ar->state = ATH6KL_STATE_ON; - - return 0; - -err_htc_stop: - ath6kl_htc_stop(ar->htc_target); -err_cleanup_scatter: - ath6kl_hif_cleanup_scatter(ar); -err_power_off: - ath6kl_hif_power_off(ar); - - return ret; -} - -int ath6kl_init_hw_stop(struct ath6kl *ar) -{ - int ret; - - ath6kl_dbg(ATH6KL_DBG_BOOT, "hw stop\n"); - - ath6kl_htc_stop(ar->htc_target); - - ath6kl_hif_stop(ar); - - ath6kl_bmi_reset(ar); - - ret = ath6kl_hif_power_off(ar); - if (ret) - ath6kl_warn("failed to power off hif: %d\n", ret); - - ar->state = ATH6KL_STATE_OFF; - - return 0; -} - -/* FIXME: move this to cfg80211.c and rename to ath6kl_cfg80211_vif_stop() */ -void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready) -{ - static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - bool discon_issued; - - netif_stop_queue(vif->ndev); - - clear_bit(WLAN_ENABLED, &vif->flags); - - if (wmi_ready) { - discon_issued = test_bit(CONNECTED, &vif->flags) || - test_bit(CONNECT_PEND, &vif->flags); - ath6kl_disconnect(vif); - del_timer(&vif->disconnect_timer); - - if (discon_issued) - ath6kl_disconnect_event(vif, DISCONNECT_CMD, - (vif->nw_type & AP_NETWORK) ? - bcast_mac : vif->bssid, - 0, NULL, 0); - } - - if (vif->scan_req) { - cfg80211_scan_done(vif->scan_req, true); - vif->scan_req = NULL; - } -} - -void ath6kl_stop_txrx(struct ath6kl *ar) -{ - struct ath6kl_vif *vif, *tmp_vif; - int i; - - set_bit(DESTROY_IN_PROGRESS, &ar->flag); - - if (down_interruptible(&ar->sem)) { - ath6kl_err("down_interruptible failed\n"); - return; - } - - for (i = 0; i < AP_MAX_NUM_STA; i++) - aggr_reset_state(ar->sta_list[i].aggr_conn); - - spin_lock_bh(&ar->list_lock); - list_for_each_entry_safe(vif, tmp_vif, &ar->vif_list, list) { - list_del(&vif->list); - spin_unlock_bh(&ar->list_lock); - ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); - rtnl_lock(); - ath6kl_cfg80211_vif_cleanup(vif); - rtnl_unlock(); - spin_lock_bh(&ar->list_lock); - } - spin_unlock_bh(&ar->list_lock); - - clear_bit(WMI_READY, &ar->flag); - - /* - * After wmi_shudown all WMI events will be dropped. We - * need to cleanup the buffers allocated in AP mode and - * give disconnect notification to stack, which usually - * happens in the disconnect_event. Simulate the disconnect - * event by calling the function directly. Sometimes - * disconnect_event will be received when the debug logs - * are collected. - */ - ath6kl_wmi_shutdown(ar->wmi); - - clear_bit(WMI_ENABLED, &ar->flag); - if (ar->htc_target) { - ath6kl_dbg(ATH6KL_DBG_TRC, "%s: shut down htc\n", __func__); - ath6kl_htc_stop(ar->htc_target); - } - - /* - * Try to reset the device if we can. The driver may have been - * configure NOT to reset the target during a debug session. - */ - ath6kl_dbg(ATH6KL_DBG_TRC, - "attempting to reset target on instance destroy\n"); - ath6kl_reset_device(ar, ar->target_type, true, true); - - clear_bit(WLAN_ENABLED, &ar->flag); - - up(&ar->sem); -} -EXPORT_SYMBOL(ath6kl_stop_txrx); |