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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/net/wireless/zd1211rw/zd_chip.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/zd1211rw/zd_chip.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/zd1211rw/zd_chip.c | 1561 |
1 files changed, 0 insertions, 1561 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/zd1211rw/zd_chip.c b/ANDROID_3.4.5/drivers/net/wireless/zd1211rw/zd_chip.c deleted file mode 100644 index ff306d76..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/zd1211rw/zd_chip.c +++ /dev/null @@ -1,1561 +0,0 @@ -/* ZD1211 USB-WLAN driver for Linux - * - * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de> - * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* This file implements all the hardware specific functions for the ZD1211 - * and ZD1211B chips. Support for the ZD1211B was possible after Timothy - * Legge sent me a ZD1211B device. Thank you Tim. -- Uli - */ - -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/slab.h> - -#include "zd_def.h" -#include "zd_chip.h" -#include "zd_mac.h" -#include "zd_rf.h" - -void zd_chip_init(struct zd_chip *chip, - struct ieee80211_hw *hw, - struct usb_interface *intf) -{ - memset(chip, 0, sizeof(*chip)); - mutex_init(&chip->mutex); - zd_usb_init(&chip->usb, hw, intf); - zd_rf_init(&chip->rf); -} - -void zd_chip_clear(struct zd_chip *chip) -{ - ZD_ASSERT(!mutex_is_locked(&chip->mutex)); - zd_usb_clear(&chip->usb); - zd_rf_clear(&chip->rf); - mutex_destroy(&chip->mutex); - ZD_MEMCLEAR(chip, sizeof(*chip)); -} - -static int scnprint_mac_oui(struct zd_chip *chip, char *buffer, size_t size) -{ - u8 *addr = zd_mac_get_perm_addr(zd_chip_to_mac(chip)); - return scnprintf(buffer, size, "%02x-%02x-%02x", - addr[0], addr[1], addr[2]); -} - -/* Prints an identifier line, which will support debugging. */ -static int scnprint_id(struct zd_chip *chip, char *buffer, size_t size) -{ - int i = 0; - - i = scnprintf(buffer, size, "zd1211%s chip ", - zd_chip_is_zd1211b(chip) ? "b" : ""); - i += zd_usb_scnprint_id(&chip->usb, buffer+i, size-i); - i += scnprintf(buffer+i, size-i, " "); - i += scnprint_mac_oui(chip, buffer+i, size-i); - i += scnprintf(buffer+i, size-i, " "); - i += zd_rf_scnprint_id(&chip->rf, buffer+i, size-i); - i += scnprintf(buffer+i, size-i, " pa%1x %c%c%c%c%c", chip->pa_type, - chip->patch_cck_gain ? 'g' : '-', - chip->patch_cr157 ? '7' : '-', - chip->patch_6m_band_edge ? '6' : '-', - chip->new_phy_layout ? 'N' : '-', - chip->al2230s_bit ? 'S' : '-'); - return i; -} - -static void print_id(struct zd_chip *chip) -{ - char buffer[80]; - - scnprint_id(chip, buffer, sizeof(buffer)); - buffer[sizeof(buffer)-1] = 0; - dev_info(zd_chip_dev(chip), "%s\n", buffer); -} - -static zd_addr_t inc_addr(zd_addr_t addr) -{ - u16 a = (u16)addr; - /* Control registers use byte addressing, but everything else uses word - * addressing. */ - if ((a & 0xf000) == CR_START) - a += 2; - else - a += 1; - return (zd_addr_t)a; -} - -/* Read a variable number of 32-bit values. Parameter count is not allowed to - * exceed USB_MAX_IOREAD32_COUNT. - */ -int zd_ioread32v_locked(struct zd_chip *chip, u32 *values, const zd_addr_t *addr, - unsigned int count) -{ - int r; - int i; - zd_addr_t a16[USB_MAX_IOREAD32_COUNT * 2]; - u16 v16[USB_MAX_IOREAD32_COUNT * 2]; - unsigned int count16; - - if (count > USB_MAX_IOREAD32_COUNT) - return -EINVAL; - - /* Use stack for values and addresses. */ - count16 = 2 * count; - BUG_ON(count16 * sizeof(zd_addr_t) > sizeof(a16)); - BUG_ON(count16 * sizeof(u16) > sizeof(v16)); - - for (i = 0; i < count; i++) { - int j = 2*i; - /* We read the high word always first. */ - a16[j] = inc_addr(addr[i]); - a16[j+1] = addr[i]; - } - - r = zd_ioread16v_locked(chip, v16, a16, count16); - if (r) { - dev_dbg_f(zd_chip_dev(chip), - "error: zd_ioread16v_locked. Error number %d\n", r); - return r; - } - - for (i = 0; i < count; i++) { - int j = 2*i; - values[i] = (v16[j] << 16) | v16[j+1]; - } - - return 0; -} - -static int _zd_iowrite32v_async_locked(struct zd_chip *chip, - const struct zd_ioreq32 *ioreqs, - unsigned int count) -{ - int i, j, r; - struct zd_ioreq16 ioreqs16[USB_MAX_IOWRITE32_COUNT * 2]; - unsigned int count16; - - /* Use stack for values and addresses. */ - - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - - if (count == 0) - return 0; - if (count > USB_MAX_IOWRITE32_COUNT) - return -EINVAL; - - count16 = 2 * count; - BUG_ON(count16 * sizeof(struct zd_ioreq16) > sizeof(ioreqs16)); - - for (i = 0; i < count; i++) { - j = 2*i; - /* We write the high word always first. */ - ioreqs16[j].value = ioreqs[i].value >> 16; - ioreqs16[j].addr = inc_addr(ioreqs[i].addr); - ioreqs16[j+1].value = ioreqs[i].value; - ioreqs16[j+1].addr = ioreqs[i].addr; - } - - r = zd_usb_iowrite16v_async(&chip->usb, ioreqs16, count16); -#ifdef DEBUG - if (r) { - dev_dbg_f(zd_chip_dev(chip), - "error %d in zd_usb_write16v\n", r); - } -#endif /* DEBUG */ - return r; -} - -int _zd_iowrite32v_locked(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs, - unsigned int count) -{ - int r; - - zd_usb_iowrite16v_async_start(&chip->usb); - r = _zd_iowrite32v_async_locked(chip, ioreqs, count); - if (r) { - zd_usb_iowrite16v_async_end(&chip->usb, 0); - return r; - } - return zd_usb_iowrite16v_async_end(&chip->usb, 50 /* ms */); -} - -int zd_iowrite16a_locked(struct zd_chip *chip, - const struct zd_ioreq16 *ioreqs, unsigned int count) -{ - int r; - unsigned int i, j, t, max; - - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - zd_usb_iowrite16v_async_start(&chip->usb); - - for (i = 0; i < count; i += j + t) { - t = 0; - max = count-i; - if (max > USB_MAX_IOWRITE16_COUNT) - max = USB_MAX_IOWRITE16_COUNT; - for (j = 0; j < max; j++) { - if (!ioreqs[i+j].addr) { - t = 1; - break; - } - } - - r = zd_usb_iowrite16v_async(&chip->usb, &ioreqs[i], j); - if (r) { - zd_usb_iowrite16v_async_end(&chip->usb, 0); - dev_dbg_f(zd_chip_dev(chip), - "error zd_usb_iowrite16v. Error number %d\n", - r); - return r; - } - } - - return zd_usb_iowrite16v_async_end(&chip->usb, 50 /* ms */); -} - -/* Writes a variable number of 32 bit registers. The functions will split - * that in several USB requests. A split can be forced by inserting an IO - * request with an zero address field. - */ -int zd_iowrite32a_locked(struct zd_chip *chip, - const struct zd_ioreq32 *ioreqs, unsigned int count) -{ - int r; - unsigned int i, j, t, max; - - zd_usb_iowrite16v_async_start(&chip->usb); - - for (i = 0; i < count; i += j + t) { - t = 0; - max = count-i; - if (max > USB_MAX_IOWRITE32_COUNT) - max = USB_MAX_IOWRITE32_COUNT; - for (j = 0; j < max; j++) { - if (!ioreqs[i+j].addr) { - t = 1; - break; - } - } - - r = _zd_iowrite32v_async_locked(chip, &ioreqs[i], j); - if (r) { - zd_usb_iowrite16v_async_end(&chip->usb, 0); - dev_dbg_f(zd_chip_dev(chip), - "error _zd_iowrite32v_locked." - " Error number %d\n", r); - return r; - } - } - - return zd_usb_iowrite16v_async_end(&chip->usb, 50 /* ms */); -} - -int zd_ioread16(struct zd_chip *chip, zd_addr_t addr, u16 *value) -{ - int r; - - mutex_lock(&chip->mutex); - r = zd_ioread16_locked(chip, value, addr); - mutex_unlock(&chip->mutex); - return r; -} - -int zd_ioread32(struct zd_chip *chip, zd_addr_t addr, u32 *value) -{ - int r; - - mutex_lock(&chip->mutex); - r = zd_ioread32_locked(chip, value, addr); - mutex_unlock(&chip->mutex); - return r; -} - -int zd_iowrite16(struct zd_chip *chip, zd_addr_t addr, u16 value) -{ - int r; - - mutex_lock(&chip->mutex); - r = zd_iowrite16_locked(chip, value, addr); - mutex_unlock(&chip->mutex); - return r; -} - -int zd_iowrite32(struct zd_chip *chip, zd_addr_t addr, u32 value) -{ - int r; - - mutex_lock(&chip->mutex); - r = zd_iowrite32_locked(chip, value, addr); - mutex_unlock(&chip->mutex); - return r; -} - -int zd_ioread32v(struct zd_chip *chip, const zd_addr_t *addresses, - u32 *values, unsigned int count) -{ - int r; - - mutex_lock(&chip->mutex); - r = zd_ioread32v_locked(chip, values, addresses, count); - mutex_unlock(&chip->mutex); - return r; -} - -int zd_iowrite32a(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs, - unsigned int count) -{ - int r; - - mutex_lock(&chip->mutex); - r = zd_iowrite32a_locked(chip, ioreqs, count); - mutex_unlock(&chip->mutex); - return r; -} - -static int read_pod(struct zd_chip *chip, u8 *rf_type) -{ - int r; - u32 value; - - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - r = zd_ioread32_locked(chip, &value, E2P_POD); - if (r) - goto error; - dev_dbg_f(zd_chip_dev(chip), "E2P_POD %#010x\n", value); - - /* FIXME: AL2230 handling (Bit 7 in POD) */ - *rf_type = value & 0x0f; - chip->pa_type = (value >> 16) & 0x0f; - chip->patch_cck_gain = (value >> 8) & 0x1; - chip->patch_cr157 = (value >> 13) & 0x1; - chip->patch_6m_band_edge = (value >> 21) & 0x1; - chip->new_phy_layout = (value >> 31) & 0x1; - chip->al2230s_bit = (value >> 7) & 0x1; - chip->link_led = ((value >> 4) & 1) ? LED1 : LED2; - chip->supports_tx_led = 1; - if (value & (1 << 24)) { /* LED scenario */ - if (value & (1 << 29)) - chip->supports_tx_led = 0; - } - - dev_dbg_f(zd_chip_dev(chip), - "RF %s %#01x PA type %#01x patch CCK %d patch CR157 %d " - "patch 6M %d new PHY %d link LED%d tx led %d\n", - zd_rf_name(*rf_type), *rf_type, - chip->pa_type, chip->patch_cck_gain, - chip->patch_cr157, chip->patch_6m_band_edge, - chip->new_phy_layout, - chip->link_led == LED1 ? 1 : 2, - chip->supports_tx_led); - return 0; -error: - *rf_type = 0; - chip->pa_type = 0; - chip->patch_cck_gain = 0; - chip->patch_cr157 = 0; - chip->patch_6m_band_edge = 0; - chip->new_phy_layout = 0; - return r; -} - -static int zd_write_mac_addr_common(struct zd_chip *chip, const u8 *mac_addr, - const struct zd_ioreq32 *in_reqs, - const char *type) -{ - int r; - struct zd_ioreq32 reqs[2] = {in_reqs[0], in_reqs[1]}; - - if (mac_addr) { - reqs[0].value = (mac_addr[3] << 24) - | (mac_addr[2] << 16) - | (mac_addr[1] << 8) - | mac_addr[0]; - reqs[1].value = (mac_addr[5] << 8) - | mac_addr[4]; - dev_dbg_f(zd_chip_dev(chip), "%s addr %pM\n", type, mac_addr); - } else { - dev_dbg_f(zd_chip_dev(chip), "set NULL %s\n", type); - } - - mutex_lock(&chip->mutex); - r = zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs)); - mutex_unlock(&chip->mutex); - return r; -} - -/* MAC address: if custom mac addresses are to be used CR_MAC_ADDR_P1 and - * CR_MAC_ADDR_P2 must be overwritten - */ -int zd_write_mac_addr(struct zd_chip *chip, const u8 *mac_addr) -{ - static const struct zd_ioreq32 reqs[2] = { - [0] = { .addr = CR_MAC_ADDR_P1 }, - [1] = { .addr = CR_MAC_ADDR_P2 }, - }; - - return zd_write_mac_addr_common(chip, mac_addr, reqs, "mac"); -} - -int zd_write_bssid(struct zd_chip *chip, const u8 *bssid) -{ - static const struct zd_ioreq32 reqs[2] = { - [0] = { .addr = CR_BSSID_P1 }, - [1] = { .addr = CR_BSSID_P2 }, - }; - - return zd_write_mac_addr_common(chip, bssid, reqs, "bssid"); -} - -int zd_read_regdomain(struct zd_chip *chip, u8 *regdomain) -{ - int r; - u32 value; - - mutex_lock(&chip->mutex); - r = zd_ioread32_locked(chip, &value, E2P_SUBID); - mutex_unlock(&chip->mutex); - if (r) - return r; - - *regdomain = value >> 16; - dev_dbg_f(zd_chip_dev(chip), "regdomain: %#04x\n", *regdomain); - - return 0; -} - -static int read_values(struct zd_chip *chip, u8 *values, size_t count, - zd_addr_t e2p_addr, u32 guard) -{ - int r; - int i; - u32 v; - - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - for (i = 0;;) { - r = zd_ioread32_locked(chip, &v, - (zd_addr_t)((u16)e2p_addr+i/2)); - if (r) - return r; - v -= guard; - if (i+4 < count) { - values[i++] = v; - values[i++] = v >> 8; - values[i++] = v >> 16; - values[i++] = v >> 24; - continue; - } - for (;i < count; i++) - values[i] = v >> (8*(i%3)); - return 0; - } -} - -static int read_pwr_cal_values(struct zd_chip *chip) -{ - return read_values(chip, chip->pwr_cal_values, - E2P_CHANNEL_COUNT, E2P_PWR_CAL_VALUE1, - 0); -} - -static int read_pwr_int_values(struct zd_chip *chip) -{ - return read_values(chip, chip->pwr_int_values, - E2P_CHANNEL_COUNT, E2P_PWR_INT_VALUE1, - E2P_PWR_INT_GUARD); -} - -static int read_ofdm_cal_values(struct zd_chip *chip) -{ - int r; - int i; - static const zd_addr_t addresses[] = { - E2P_36M_CAL_VALUE1, - E2P_48M_CAL_VALUE1, - E2P_54M_CAL_VALUE1, - }; - - for (i = 0; i < 3; i++) { - r = read_values(chip, chip->ofdm_cal_values[i], - E2P_CHANNEL_COUNT, addresses[i], 0); - if (r) - return r; - } - return 0; -} - -static int read_cal_int_tables(struct zd_chip *chip) -{ - int r; - - r = read_pwr_cal_values(chip); - if (r) - return r; - r = read_pwr_int_values(chip); - if (r) - return r; - r = read_ofdm_cal_values(chip); - if (r) - return r; - return 0; -} - -/* phy means physical registers */ -int zd_chip_lock_phy_regs(struct zd_chip *chip) -{ - int r; - u32 tmp; - - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - r = zd_ioread32_locked(chip, &tmp, CR_REG1); - if (r) { - dev_err(zd_chip_dev(chip), "error ioread32(CR_REG1): %d\n", r); - return r; - } - - tmp &= ~UNLOCK_PHY_REGS; - - r = zd_iowrite32_locked(chip, tmp, CR_REG1); - if (r) - dev_err(zd_chip_dev(chip), "error iowrite32(CR_REG1): %d\n", r); - return r; -} - -int zd_chip_unlock_phy_regs(struct zd_chip *chip) -{ - int r; - u32 tmp; - - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - r = zd_ioread32_locked(chip, &tmp, CR_REG1); - if (r) { - dev_err(zd_chip_dev(chip), - "error ioread32(CR_REG1): %d\n", r); - return r; - } - - tmp |= UNLOCK_PHY_REGS; - - r = zd_iowrite32_locked(chip, tmp, CR_REG1); - if (r) - dev_err(zd_chip_dev(chip), "error iowrite32(CR_REG1): %d\n", r); - return r; -} - -/* ZD_CR157 can be optionally patched by the EEPROM for original ZD1211 */ -static int patch_cr157(struct zd_chip *chip) -{ - int r; - u16 value; - - if (!chip->patch_cr157) - return 0; - - r = zd_ioread16_locked(chip, &value, E2P_PHY_REG); - if (r) - return r; - - dev_dbg_f(zd_chip_dev(chip), "patching value %x\n", value >> 8); - return zd_iowrite32_locked(chip, value >> 8, ZD_CR157); -} - -/* - * 6M band edge can be optionally overwritten for certain RF's - * Vendor driver says: for FCC regulation, enabled per HWFeature 6M band edge - * bit (for AL2230, AL2230S) - */ -static int patch_6m_band_edge(struct zd_chip *chip, u8 channel) -{ - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - if (!chip->patch_6m_band_edge) - return 0; - - return zd_rf_patch_6m_band_edge(&chip->rf, channel); -} - -/* Generic implementation of 6M band edge patching, used by most RFs via - * zd_rf_generic_patch_6m() */ -int zd_chip_generic_patch_6m_band(struct zd_chip *chip, int channel) -{ - struct zd_ioreq16 ioreqs[] = { - { ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 }, - { ZD_CR47, 0x1e }, - }; - - /* FIXME: Channel 11 is not the edge for all regulatory domains. */ - if (channel == 1 || channel == 11) - ioreqs[0].value = 0x12; - - dev_dbg_f(zd_chip_dev(chip), "patching for channel %d\n", channel); - return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); -} - -static int zd1211_hw_reset_phy(struct zd_chip *chip) -{ - static const struct zd_ioreq16 ioreqs[] = { - { ZD_CR0, 0x0a }, { ZD_CR1, 0x06 }, { ZD_CR2, 0x26 }, - { ZD_CR3, 0x38 }, { ZD_CR4, 0x80 }, { ZD_CR9, 0xa0 }, - { ZD_CR10, 0x81 }, { ZD_CR11, 0x00 }, { ZD_CR12, 0x7f }, - { ZD_CR13, 0x8c }, { ZD_CR14, 0x80 }, { ZD_CR15, 0x3d }, - { ZD_CR16, 0x20 }, { ZD_CR17, 0x1e }, { ZD_CR18, 0x0a }, - { ZD_CR19, 0x48 }, { ZD_CR20, 0x0c }, { ZD_CR21, 0x0c }, - { ZD_CR22, 0x23 }, { ZD_CR23, 0x90 }, { ZD_CR24, 0x14 }, - { ZD_CR25, 0x40 }, { ZD_CR26, 0x10 }, { ZD_CR27, 0x19 }, - { ZD_CR28, 0x7f }, { ZD_CR29, 0x80 }, { ZD_CR30, 0x4b }, - { ZD_CR31, 0x60 }, { ZD_CR32, 0x43 }, { ZD_CR33, 0x08 }, - { ZD_CR34, 0x06 }, { ZD_CR35, 0x0a }, { ZD_CR36, 0x00 }, - { ZD_CR37, 0x00 }, { ZD_CR38, 0x38 }, { ZD_CR39, 0x0c }, - { ZD_CR40, 0x84 }, { ZD_CR41, 0x2a }, { ZD_CR42, 0x80 }, - { ZD_CR43, 0x10 }, { ZD_CR44, 0x12 }, { ZD_CR46, 0xff }, - { ZD_CR47, 0x1E }, { ZD_CR48, 0x26 }, { ZD_CR49, 0x5b }, - { ZD_CR64, 0xd0 }, { ZD_CR65, 0x04 }, { ZD_CR66, 0x58 }, - { ZD_CR67, 0xc9 }, { ZD_CR68, 0x88 }, { ZD_CR69, 0x41 }, - { ZD_CR70, 0x23 }, { ZD_CR71, 0x10 }, { ZD_CR72, 0xff }, - { ZD_CR73, 0x32 }, { ZD_CR74, 0x30 }, { ZD_CR75, 0x65 }, - { ZD_CR76, 0x41 }, { ZD_CR77, 0x1b }, { ZD_CR78, 0x30 }, - { ZD_CR79, 0x68 }, { ZD_CR80, 0x64 }, { ZD_CR81, 0x64 }, - { ZD_CR82, 0x00 }, { ZD_CR83, 0x00 }, { ZD_CR84, 0x00 }, - { ZD_CR85, 0x02 }, { ZD_CR86, 0x00 }, { ZD_CR87, 0x00 }, - { ZD_CR88, 0xff }, { ZD_CR89, 0xfc }, { ZD_CR90, 0x00 }, - { ZD_CR91, 0x00 }, { ZD_CR92, 0x00 }, { ZD_CR93, 0x08 }, - { ZD_CR94, 0x00 }, { ZD_CR95, 0x00 }, { ZD_CR96, 0xff }, - { ZD_CR97, 0xe7 }, { ZD_CR98, 0x00 }, { ZD_CR99, 0x00 }, - { ZD_CR100, 0x00 }, { ZD_CR101, 0xae }, { ZD_CR102, 0x02 }, - { ZD_CR103, 0x00 }, { ZD_CR104, 0x03 }, { ZD_CR105, 0x65 }, - { ZD_CR106, 0x04 }, { ZD_CR107, 0x00 }, { ZD_CR108, 0x0a }, - { ZD_CR109, 0xaa }, { ZD_CR110, 0xaa }, { ZD_CR111, 0x25 }, - { ZD_CR112, 0x25 }, { ZD_CR113, 0x00 }, { ZD_CR119, 0x1e }, - { ZD_CR125, 0x90 }, { ZD_CR126, 0x00 }, { ZD_CR127, 0x00 }, - { }, - { ZD_CR5, 0x00 }, { ZD_CR6, 0x00 }, { ZD_CR7, 0x00 }, - { ZD_CR8, 0x00 }, { ZD_CR9, 0x20 }, { ZD_CR12, 0xf0 }, - { ZD_CR20, 0x0e }, { ZD_CR21, 0x0e }, { ZD_CR27, 0x10 }, - { ZD_CR44, 0x33 }, { ZD_CR47, 0x1E }, { ZD_CR83, 0x24 }, - { ZD_CR84, 0x04 }, { ZD_CR85, 0x00 }, { ZD_CR86, 0x0C }, - { ZD_CR87, 0x12 }, { ZD_CR88, 0x0C }, { ZD_CR89, 0x00 }, - { ZD_CR90, 0x10 }, { ZD_CR91, 0x08 }, { ZD_CR93, 0x00 }, - { ZD_CR94, 0x01 }, { ZD_CR95, 0x00 }, { ZD_CR96, 0x50 }, - { ZD_CR97, 0x37 }, { ZD_CR98, 0x35 }, { ZD_CR101, 0x13 }, - { ZD_CR102, 0x27 }, { ZD_CR103, 0x27 }, { ZD_CR104, 0x18 }, - { ZD_CR105, 0x12 }, { ZD_CR109, 0x27 }, { ZD_CR110, 0x27 }, - { ZD_CR111, 0x27 }, { ZD_CR112, 0x27 }, { ZD_CR113, 0x27 }, - { ZD_CR114, 0x27 }, { ZD_CR115, 0x26 }, { ZD_CR116, 0x24 }, - { ZD_CR117, 0xfc }, { ZD_CR118, 0xfa }, { ZD_CR120, 0x4f }, - { ZD_CR125, 0xaa }, { ZD_CR127, 0x03 }, { ZD_CR128, 0x14 }, - { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 }, { ZD_CR131, 0x0C }, - { ZD_CR136, 0xdf }, { ZD_CR137, 0x40 }, { ZD_CR138, 0xa0 }, - { ZD_CR139, 0xb0 }, { ZD_CR140, 0x99 }, { ZD_CR141, 0x82 }, - { ZD_CR142, 0x54 }, { ZD_CR143, 0x1c }, { ZD_CR144, 0x6c }, - { ZD_CR147, 0x07 }, { ZD_CR148, 0x4c }, { ZD_CR149, 0x50 }, - { ZD_CR150, 0x0e }, { ZD_CR151, 0x18 }, { ZD_CR160, 0xfe }, - { ZD_CR161, 0xee }, { ZD_CR162, 0xaa }, { ZD_CR163, 0xfa }, - { ZD_CR164, 0xfa }, { ZD_CR165, 0xea }, { ZD_CR166, 0xbe }, - { ZD_CR167, 0xbe }, { ZD_CR168, 0x6a }, { ZD_CR169, 0xba }, - { ZD_CR170, 0xba }, { ZD_CR171, 0xba }, - /* Note: ZD_CR204 must lead the ZD_CR203 */ - { ZD_CR204, 0x7d }, - { }, - { ZD_CR203, 0x30 }, - }; - - int r, t; - - dev_dbg_f(zd_chip_dev(chip), "\n"); - - r = zd_chip_lock_phy_regs(chip); - if (r) - goto out; - - r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); - if (r) - goto unlock; - - r = patch_cr157(chip); -unlock: - t = zd_chip_unlock_phy_regs(chip); - if (t && !r) - r = t; -out: - return r; -} - -static int zd1211b_hw_reset_phy(struct zd_chip *chip) -{ - static const struct zd_ioreq16 ioreqs[] = { - { ZD_CR0, 0x14 }, { ZD_CR1, 0x06 }, { ZD_CR2, 0x26 }, - { ZD_CR3, 0x38 }, { ZD_CR4, 0x80 }, { ZD_CR9, 0xe0 }, - { ZD_CR10, 0x81 }, - /* power control { { ZD_CR11, 1 << 6 }, */ - { ZD_CR11, 0x00 }, - { ZD_CR12, 0xf0 }, { ZD_CR13, 0x8c }, { ZD_CR14, 0x80 }, - { ZD_CR15, 0x3d }, { ZD_CR16, 0x20 }, { ZD_CR17, 0x1e }, - { ZD_CR18, 0x0a }, { ZD_CR19, 0x48 }, - { ZD_CR20, 0x10 }, /* Org:0x0E, ComTrend:RalLink AP */ - { ZD_CR21, 0x0e }, { ZD_CR22, 0x23 }, { ZD_CR23, 0x90 }, - { ZD_CR24, 0x14 }, { ZD_CR25, 0x40 }, { ZD_CR26, 0x10 }, - { ZD_CR27, 0x10 }, { ZD_CR28, 0x7f }, { ZD_CR29, 0x80 }, - { ZD_CR30, 0x4b }, /* ASIC/FWT, no jointly decoder */ - { ZD_CR31, 0x60 }, { ZD_CR32, 0x43 }, { ZD_CR33, 0x08 }, - { ZD_CR34, 0x06 }, { ZD_CR35, 0x0a }, { ZD_CR36, 0x00 }, - { ZD_CR37, 0x00 }, { ZD_CR38, 0x38 }, { ZD_CR39, 0x0c }, - { ZD_CR40, 0x84 }, { ZD_CR41, 0x2a }, { ZD_CR42, 0x80 }, - { ZD_CR43, 0x10 }, { ZD_CR44, 0x33 }, { ZD_CR46, 0xff }, - { ZD_CR47, 0x1E }, { ZD_CR48, 0x26 }, { ZD_CR49, 0x5b }, - { ZD_CR64, 0xd0 }, { ZD_CR65, 0x04 }, { ZD_CR66, 0x58 }, - { ZD_CR67, 0xc9 }, { ZD_CR68, 0x88 }, { ZD_CR69, 0x41 }, - { ZD_CR70, 0x23 }, { ZD_CR71, 0x10 }, { ZD_CR72, 0xff }, - { ZD_CR73, 0x32 }, { ZD_CR74, 0x30 }, { ZD_CR75, 0x65 }, - { ZD_CR76, 0x41 }, { ZD_CR77, 0x1b }, { ZD_CR78, 0x30 }, - { ZD_CR79, 0xf0 }, { ZD_CR80, 0x64 }, { ZD_CR81, 0x64 }, - { ZD_CR82, 0x00 }, { ZD_CR83, 0x24 }, { ZD_CR84, 0x04 }, - { ZD_CR85, 0x00 }, { ZD_CR86, 0x0c }, { ZD_CR87, 0x12 }, - { ZD_CR88, 0x0c }, { ZD_CR89, 0x00 }, { ZD_CR90, 0x58 }, - { ZD_CR91, 0x04 }, { ZD_CR92, 0x00 }, { ZD_CR93, 0x00 }, - { ZD_CR94, 0x01 }, - { ZD_CR95, 0x20 }, /* ZD1211B */ - { ZD_CR96, 0x50 }, { ZD_CR97, 0x37 }, { ZD_CR98, 0x35 }, - { ZD_CR99, 0x00 }, { ZD_CR100, 0x01 }, { ZD_CR101, 0x13 }, - { ZD_CR102, 0x27 }, { ZD_CR103, 0x27 }, { ZD_CR104, 0x18 }, - { ZD_CR105, 0x12 }, { ZD_CR106, 0x04 }, { ZD_CR107, 0x00 }, - { ZD_CR108, 0x0a }, { ZD_CR109, 0x27 }, { ZD_CR110, 0x27 }, - { ZD_CR111, 0x27 }, { ZD_CR112, 0x27 }, { ZD_CR113, 0x27 }, - { ZD_CR114, 0x27 }, { ZD_CR115, 0x26 }, { ZD_CR116, 0x24 }, - { ZD_CR117, 0xfc }, { ZD_CR118, 0xfa }, { ZD_CR119, 0x1e }, - { ZD_CR125, 0x90 }, { ZD_CR126, 0x00 }, { ZD_CR127, 0x00 }, - { ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 }, - { ZD_CR131, 0x0c }, { ZD_CR136, 0xdf }, { ZD_CR137, 0xa0 }, - { ZD_CR138, 0xa8 }, { ZD_CR139, 0xb4 }, { ZD_CR140, 0x98 }, - { ZD_CR141, 0x82 }, { ZD_CR142, 0x53 }, { ZD_CR143, 0x1c }, - { ZD_CR144, 0x6c }, { ZD_CR147, 0x07 }, { ZD_CR148, 0x40 }, - { ZD_CR149, 0x40 }, /* Org:0x50 ComTrend:RalLink AP */ - { ZD_CR150, 0x14 }, /* Org:0x0E ComTrend:RalLink AP */ - { ZD_CR151, 0x18 }, { ZD_CR159, 0x70 }, { ZD_CR160, 0xfe }, - { ZD_CR161, 0xee }, { ZD_CR162, 0xaa }, { ZD_CR163, 0xfa }, - { ZD_CR164, 0xfa }, { ZD_CR165, 0xea }, { ZD_CR166, 0xbe }, - { ZD_CR167, 0xbe }, { ZD_CR168, 0x6a }, { ZD_CR169, 0xba }, - { ZD_CR170, 0xba }, { ZD_CR171, 0xba }, - /* Note: ZD_CR204 must lead the ZD_CR203 */ - { ZD_CR204, 0x7d }, - {}, - { ZD_CR203, 0x30 }, - }; - - int r, t; - - dev_dbg_f(zd_chip_dev(chip), "\n"); - - r = zd_chip_lock_phy_regs(chip); - if (r) - goto out; - - r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); - t = zd_chip_unlock_phy_regs(chip); - if (t && !r) - r = t; -out: - return r; -} - -static int hw_reset_phy(struct zd_chip *chip) -{ - return zd_chip_is_zd1211b(chip) ? zd1211b_hw_reset_phy(chip) : - zd1211_hw_reset_phy(chip); -} - -static int zd1211_hw_init_hmac(struct zd_chip *chip) -{ - static const struct zd_ioreq32 ioreqs[] = { - { CR_ZD1211_RETRY_MAX, ZD1211_RETRY_COUNT }, - { CR_RX_THRESHOLD, 0x000c0640 }, - }; - - dev_dbg_f(zd_chip_dev(chip), "\n"); - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - return zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); -} - -static int zd1211b_hw_init_hmac(struct zd_chip *chip) -{ - static const struct zd_ioreq32 ioreqs[] = { - { CR_ZD1211B_RETRY_MAX, ZD1211B_RETRY_COUNT }, - { CR_ZD1211B_CWIN_MAX_MIN_AC0, 0x007f003f }, - { CR_ZD1211B_CWIN_MAX_MIN_AC1, 0x007f003f }, - { CR_ZD1211B_CWIN_MAX_MIN_AC2, 0x003f001f }, - { CR_ZD1211B_CWIN_MAX_MIN_AC3, 0x001f000f }, - { CR_ZD1211B_AIFS_CTL1, 0x00280028 }, - { CR_ZD1211B_AIFS_CTL2, 0x008C003C }, - { CR_ZD1211B_TXOP, 0x01800824 }, - { CR_RX_THRESHOLD, 0x000c0eff, }, - }; - - dev_dbg_f(zd_chip_dev(chip), "\n"); - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - return zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); -} - -static int hw_init_hmac(struct zd_chip *chip) -{ - int r; - static const struct zd_ioreq32 ioreqs[] = { - { CR_ACK_TIMEOUT_EXT, 0x20 }, - { CR_ADDA_MBIAS_WARMTIME, 0x30000808 }, - { CR_SNIFFER_ON, 0 }, - { CR_RX_FILTER, STA_RX_FILTER }, - { CR_GROUP_HASH_P1, 0x00 }, - { CR_GROUP_HASH_P2, 0x80000000 }, - { CR_REG1, 0xa4 }, - { CR_ADDA_PWR_DWN, 0x7f }, - { CR_BCN_PLCP_CFG, 0x00f00401 }, - { CR_PHY_DELAY, 0x00 }, - { CR_ACK_TIMEOUT_EXT, 0x80 }, - { CR_ADDA_PWR_DWN, 0x00 }, - { CR_ACK_TIME_80211, 0x100 }, - { CR_RX_PE_DELAY, 0x70 }, - { CR_PS_CTRL, 0x10000000 }, - { CR_RTS_CTS_RATE, 0x02030203 }, - { CR_AFTER_PNP, 0x1 }, - { CR_WEP_PROTECT, 0x114 }, - { CR_IFS_VALUE, IFS_VALUE_DEFAULT }, - { CR_CAM_MODE, MODE_AP_WDS}, - }; - - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - r = zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); - if (r) - return r; - - return zd_chip_is_zd1211b(chip) ? - zd1211b_hw_init_hmac(chip) : zd1211_hw_init_hmac(chip); -} - -struct aw_pt_bi { - u32 atim_wnd_period; - u32 pre_tbtt; - u32 beacon_interval; -}; - -static int get_aw_pt_bi(struct zd_chip *chip, struct aw_pt_bi *s) -{ - int r; - static const zd_addr_t aw_pt_bi_addr[] = - { CR_ATIM_WND_PERIOD, CR_PRE_TBTT, CR_BCN_INTERVAL }; - u32 values[3]; - - r = zd_ioread32v_locked(chip, values, (const zd_addr_t *)aw_pt_bi_addr, - ARRAY_SIZE(aw_pt_bi_addr)); - if (r) { - memset(s, 0, sizeof(*s)); - return r; - } - - s->atim_wnd_period = values[0]; - s->pre_tbtt = values[1]; - s->beacon_interval = values[2]; - return 0; -} - -static int set_aw_pt_bi(struct zd_chip *chip, struct aw_pt_bi *s) -{ - struct zd_ioreq32 reqs[3]; - u16 b_interval = s->beacon_interval & 0xffff; - - if (b_interval <= 5) - b_interval = 5; - if (s->pre_tbtt < 4 || s->pre_tbtt >= b_interval) - s->pre_tbtt = b_interval - 1; - if (s->atim_wnd_period >= s->pre_tbtt) - s->atim_wnd_period = s->pre_tbtt - 1; - - reqs[0].addr = CR_ATIM_WND_PERIOD; - reqs[0].value = s->atim_wnd_period; - reqs[1].addr = CR_PRE_TBTT; - reqs[1].value = s->pre_tbtt; - reqs[2].addr = CR_BCN_INTERVAL; - reqs[2].value = (s->beacon_interval & ~0xffff) | b_interval; - - return zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs)); -} - - -static int set_beacon_interval(struct zd_chip *chip, u16 interval, - u8 dtim_period, int type) -{ - int r; - struct aw_pt_bi s; - u32 b_interval, mode_flag; - - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - - if (interval > 0) { - switch (type) { - case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_MESH_POINT: - mode_flag = BCN_MODE_IBSS; - break; - case NL80211_IFTYPE_AP: - mode_flag = BCN_MODE_AP; - break; - default: - mode_flag = 0; - break; - } - } else { - dtim_period = 0; - mode_flag = 0; - } - - b_interval = mode_flag | (dtim_period << 16) | interval; - - r = zd_iowrite32_locked(chip, b_interval, CR_BCN_INTERVAL); - if (r) - return r; - r = get_aw_pt_bi(chip, &s); - if (r) - return r; - return set_aw_pt_bi(chip, &s); -} - -int zd_set_beacon_interval(struct zd_chip *chip, u16 interval, u8 dtim_period, - int type) -{ - int r; - - mutex_lock(&chip->mutex); - r = set_beacon_interval(chip, interval, dtim_period, type); - mutex_unlock(&chip->mutex); - return r; -} - -static int hw_init(struct zd_chip *chip) -{ - int r; - - dev_dbg_f(zd_chip_dev(chip), "\n"); - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - r = hw_reset_phy(chip); - if (r) - return r; - - r = hw_init_hmac(chip); - if (r) - return r; - - return set_beacon_interval(chip, 100, 0, NL80211_IFTYPE_UNSPECIFIED); -} - -static zd_addr_t fw_reg_addr(struct zd_chip *chip, u16 offset) -{ - return (zd_addr_t)((u16)chip->fw_regs_base + offset); -} - -#ifdef DEBUG -static int dump_cr(struct zd_chip *chip, const zd_addr_t addr, - const char *addr_string) -{ - int r; - u32 value; - - r = zd_ioread32_locked(chip, &value, addr); - if (r) { - dev_dbg_f(zd_chip_dev(chip), - "error reading %s. Error number %d\n", addr_string, r); - return r; - } - - dev_dbg_f(zd_chip_dev(chip), "%s %#010x\n", - addr_string, (unsigned int)value); - return 0; -} - -static int test_init(struct zd_chip *chip) -{ - int r; - - r = dump_cr(chip, CR_AFTER_PNP, "CR_AFTER_PNP"); - if (r) - return r; - r = dump_cr(chip, CR_GPI_EN, "CR_GPI_EN"); - if (r) - return r; - return dump_cr(chip, CR_INTERRUPT, "CR_INTERRUPT"); -} - -static void dump_fw_registers(struct zd_chip *chip) -{ - const zd_addr_t addr[4] = { - fw_reg_addr(chip, FW_REG_FIRMWARE_VER), - fw_reg_addr(chip, FW_REG_USB_SPEED), - fw_reg_addr(chip, FW_REG_FIX_TX_RATE), - fw_reg_addr(chip, FW_REG_LED_LINK_STATUS), - }; - - int r; - u16 values[4]; - - r = zd_ioread16v_locked(chip, values, (const zd_addr_t*)addr, - ARRAY_SIZE(addr)); - if (r) { - dev_dbg_f(zd_chip_dev(chip), "error %d zd_ioread16v_locked\n", - r); - return; - } - - dev_dbg_f(zd_chip_dev(chip), "FW_FIRMWARE_VER %#06hx\n", values[0]); - dev_dbg_f(zd_chip_dev(chip), "FW_USB_SPEED %#06hx\n", values[1]); - dev_dbg_f(zd_chip_dev(chip), "FW_FIX_TX_RATE %#06hx\n", values[2]); - dev_dbg_f(zd_chip_dev(chip), "FW_LINK_STATUS %#06hx\n", values[3]); -} -#endif /* DEBUG */ - -static int print_fw_version(struct zd_chip *chip) -{ - struct wiphy *wiphy = zd_chip_to_mac(chip)->hw->wiphy; - int r; - u16 version; - - r = zd_ioread16_locked(chip, &version, - fw_reg_addr(chip, FW_REG_FIRMWARE_VER)); - if (r) - return r; - - dev_info(zd_chip_dev(chip),"firmware version %04hx\n", version); - - snprintf(wiphy->fw_version, sizeof(wiphy->fw_version), - "%04hx", version); - - return 0; -} - -static int set_mandatory_rates(struct zd_chip *chip, int gmode) -{ - u32 rates; - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - /* This sets the mandatory rates, which only depend from the standard - * that the device is supporting. Until further notice we should try - * to support 802.11g also for full speed USB. - */ - if (!gmode) - rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M; - else - rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M| - CR_RATE_6M|CR_RATE_12M|CR_RATE_24M; - - return zd_iowrite32_locked(chip, rates, CR_MANDATORY_RATE_TBL); -} - -int zd_chip_set_rts_cts_rate_locked(struct zd_chip *chip, - int preamble) -{ - u32 value = 0; - - dev_dbg_f(zd_chip_dev(chip), "preamble=%x\n", preamble); - value |= preamble << RTSCTS_SH_RTS_PMB_TYPE; - value |= preamble << RTSCTS_SH_CTS_PMB_TYPE; - - /* We always send 11M RTS/self-CTS messages, like the vendor driver. */ - value |= ZD_PURE_RATE(ZD_CCK_RATE_11M) << RTSCTS_SH_RTS_RATE; - value |= ZD_RX_CCK << RTSCTS_SH_RTS_MOD_TYPE; - value |= ZD_PURE_RATE(ZD_CCK_RATE_11M) << RTSCTS_SH_CTS_RATE; - value |= ZD_RX_CCK << RTSCTS_SH_CTS_MOD_TYPE; - - return zd_iowrite32_locked(chip, value, CR_RTS_CTS_RATE); -} - -int zd_chip_enable_hwint(struct zd_chip *chip) -{ - int r; - - mutex_lock(&chip->mutex); - r = zd_iowrite32_locked(chip, HWINT_ENABLED, CR_INTERRUPT); - mutex_unlock(&chip->mutex); - return r; -} - -static int disable_hwint(struct zd_chip *chip) -{ - return zd_iowrite32_locked(chip, HWINT_DISABLED, CR_INTERRUPT); -} - -int zd_chip_disable_hwint(struct zd_chip *chip) -{ - int r; - - mutex_lock(&chip->mutex); - r = disable_hwint(chip); - mutex_unlock(&chip->mutex); - return r; -} - -static int read_fw_regs_offset(struct zd_chip *chip) -{ - int r; - - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - r = zd_ioread16_locked(chip, (u16*)&chip->fw_regs_base, - FWRAW_REGS_ADDR); - if (r) - return r; - dev_dbg_f(zd_chip_dev(chip), "fw_regs_base: %#06hx\n", - (u16)chip->fw_regs_base); - - return 0; -} - -/* Read mac address using pre-firmware interface */ -int zd_chip_read_mac_addr_fw(struct zd_chip *chip, u8 *addr) -{ - dev_dbg_f(zd_chip_dev(chip), "\n"); - return zd_usb_read_fw(&chip->usb, E2P_MAC_ADDR_P1, addr, - ETH_ALEN); -} - -int zd_chip_init_hw(struct zd_chip *chip) -{ - int r; - u8 rf_type; - - dev_dbg_f(zd_chip_dev(chip), "\n"); - - mutex_lock(&chip->mutex); - -#ifdef DEBUG - r = test_init(chip); - if (r) - goto out; -#endif - r = zd_iowrite32_locked(chip, 1, CR_AFTER_PNP); - if (r) - goto out; - - r = read_fw_regs_offset(chip); - if (r) - goto out; - - /* GPI is always disabled, also in the other driver. - */ - r = zd_iowrite32_locked(chip, 0, CR_GPI_EN); - if (r) - goto out; - r = zd_iowrite32_locked(chip, CWIN_SIZE, CR_CWMIN_CWMAX); - if (r) - goto out; - /* Currently we support IEEE 802.11g for full and high speed USB. - * It might be discussed, whether we should suppport pure b mode for - * full speed USB. - */ - r = set_mandatory_rates(chip, 1); - if (r) - goto out; - /* Disabling interrupts is certainly a smart thing here. - */ - r = disable_hwint(chip); - if (r) - goto out; - r = read_pod(chip, &rf_type); - if (r) - goto out; - r = hw_init(chip); - if (r) - goto out; - r = zd_rf_init_hw(&chip->rf, rf_type); - if (r) - goto out; - - r = print_fw_version(chip); - if (r) - goto out; - -#ifdef DEBUG - dump_fw_registers(chip); - r = test_init(chip); - if (r) - goto out; -#endif /* DEBUG */ - - r = read_cal_int_tables(chip); - if (r) - goto out; - - print_id(chip); -out: - mutex_unlock(&chip->mutex); - return r; -} - -static int update_pwr_int(struct zd_chip *chip, u8 channel) -{ - u8 value = chip->pwr_int_values[channel - 1]; - return zd_iowrite16_locked(chip, value, ZD_CR31); -} - -static int update_pwr_cal(struct zd_chip *chip, u8 channel) -{ - u8 value = chip->pwr_cal_values[channel-1]; - return zd_iowrite16_locked(chip, value, ZD_CR68); -} - -static int update_ofdm_cal(struct zd_chip *chip, u8 channel) -{ - struct zd_ioreq16 ioreqs[3]; - - ioreqs[0].addr = ZD_CR67; - ioreqs[0].value = chip->ofdm_cal_values[OFDM_36M_INDEX][channel-1]; - ioreqs[1].addr = ZD_CR66; - ioreqs[1].value = chip->ofdm_cal_values[OFDM_48M_INDEX][channel-1]; - ioreqs[2].addr = ZD_CR65; - ioreqs[2].value = chip->ofdm_cal_values[OFDM_54M_INDEX][channel-1]; - - return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); -} - -static int update_channel_integration_and_calibration(struct zd_chip *chip, - u8 channel) -{ - int r; - - if (!zd_rf_should_update_pwr_int(&chip->rf)) - return 0; - - r = update_pwr_int(chip, channel); - if (r) - return r; - if (zd_chip_is_zd1211b(chip)) { - static const struct zd_ioreq16 ioreqs[] = { - { ZD_CR69, 0x28 }, - {}, - { ZD_CR69, 0x2a }, - }; - - r = update_ofdm_cal(chip, channel); - if (r) - return r; - r = update_pwr_cal(chip, channel); - if (r) - return r; - r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); - if (r) - return r; - } - - return 0; -} - -/* The CCK baseband gain can be optionally patched by the EEPROM */ -static int patch_cck_gain(struct zd_chip *chip) -{ - int r; - u32 value; - - if (!chip->patch_cck_gain || !zd_rf_should_patch_cck_gain(&chip->rf)) - return 0; - - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - r = zd_ioread32_locked(chip, &value, E2P_PHY_REG); - if (r) - return r; - dev_dbg_f(zd_chip_dev(chip), "patching value %x\n", value & 0xff); - return zd_iowrite16_locked(chip, value & 0xff, ZD_CR47); -} - -int zd_chip_set_channel(struct zd_chip *chip, u8 channel) -{ - int r, t; - - mutex_lock(&chip->mutex); - r = zd_chip_lock_phy_regs(chip); - if (r) - goto out; - r = zd_rf_set_channel(&chip->rf, channel); - if (r) - goto unlock; - r = update_channel_integration_and_calibration(chip, channel); - if (r) - goto unlock; - r = patch_cck_gain(chip); - if (r) - goto unlock; - r = patch_6m_band_edge(chip, channel); - if (r) - goto unlock; - r = zd_iowrite32_locked(chip, 0, CR_CONFIG_PHILIPS); -unlock: - t = zd_chip_unlock_phy_regs(chip); - if (t && !r) - r = t; -out: - mutex_unlock(&chip->mutex); - return r; -} - -u8 zd_chip_get_channel(struct zd_chip *chip) -{ - u8 channel; - - mutex_lock(&chip->mutex); - channel = chip->rf.channel; - mutex_unlock(&chip->mutex); - return channel; -} - -int zd_chip_control_leds(struct zd_chip *chip, enum led_status status) -{ - const zd_addr_t a[] = { - fw_reg_addr(chip, FW_REG_LED_LINK_STATUS), - CR_LED, - }; - - int r; - u16 v[ARRAY_SIZE(a)]; - struct zd_ioreq16 ioreqs[ARRAY_SIZE(a)] = { - [0] = { fw_reg_addr(chip, FW_REG_LED_LINK_STATUS) }, - [1] = { CR_LED }, - }; - u16 other_led; - - mutex_lock(&chip->mutex); - r = zd_ioread16v_locked(chip, v, (const zd_addr_t *)a, ARRAY_SIZE(a)); - if (r) - goto out; - - other_led = chip->link_led == LED1 ? LED2 : LED1; - - switch (status) { - case ZD_LED_OFF: - ioreqs[0].value = FW_LINK_OFF; - ioreqs[1].value = v[1] & ~(LED1|LED2); - break; - case ZD_LED_SCANNING: - ioreqs[0].value = FW_LINK_OFF; - ioreqs[1].value = v[1] & ~other_led; - if (get_seconds() % 3 == 0) { - ioreqs[1].value &= ~chip->link_led; - } else { - ioreqs[1].value |= chip->link_led; - } - break; - case ZD_LED_ASSOCIATED: - ioreqs[0].value = FW_LINK_TX; - ioreqs[1].value = v[1] & ~other_led; - ioreqs[1].value |= chip->link_led; - break; - default: - r = -EINVAL; - goto out; - } - - if (v[0] != ioreqs[0].value || v[1] != ioreqs[1].value) { - r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); - if (r) - goto out; - } - r = 0; -out: - mutex_unlock(&chip->mutex); - return r; -} - -int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates) -{ - int r; - - if (cr_rates & ~(CR_RATES_80211B|CR_RATES_80211G)) - return -EINVAL; - - mutex_lock(&chip->mutex); - r = zd_iowrite32_locked(chip, cr_rates, CR_BASIC_RATE_TBL); - mutex_unlock(&chip->mutex); - return r; -} - -static inline u8 zd_rate_from_ofdm_plcp_header(const void *rx_frame) -{ - return ZD_OFDM | zd_ofdm_plcp_header_rate(rx_frame); -} - -/** - * zd_rx_rate - report zd-rate - * @rx_frame - received frame - * @rx_status - rx_status as given by the device - * - * This function converts the rate as encoded in the received packet to the - * zd-rate, we are using on other places in the driver. - */ -u8 zd_rx_rate(const void *rx_frame, const struct rx_status *status) -{ - u8 zd_rate; - if (status->frame_status & ZD_RX_OFDM) { - zd_rate = zd_rate_from_ofdm_plcp_header(rx_frame); - } else { - switch (zd_cck_plcp_header_signal(rx_frame)) { - case ZD_CCK_PLCP_SIGNAL_1M: - zd_rate = ZD_CCK_RATE_1M; - break; - case ZD_CCK_PLCP_SIGNAL_2M: - zd_rate = ZD_CCK_RATE_2M; - break; - case ZD_CCK_PLCP_SIGNAL_5M5: - zd_rate = ZD_CCK_RATE_5_5M; - break; - case ZD_CCK_PLCP_SIGNAL_11M: - zd_rate = ZD_CCK_RATE_11M; - break; - default: - zd_rate = 0; - } - } - - return zd_rate; -} - -int zd_chip_switch_radio_on(struct zd_chip *chip) -{ - int r; - - mutex_lock(&chip->mutex); - r = zd_switch_radio_on(&chip->rf); - mutex_unlock(&chip->mutex); - return r; -} - -int zd_chip_switch_radio_off(struct zd_chip *chip) -{ - int r; - - mutex_lock(&chip->mutex); - r = zd_switch_radio_off(&chip->rf); - mutex_unlock(&chip->mutex); - return r; -} - -int zd_chip_enable_int(struct zd_chip *chip) -{ - int r; - - mutex_lock(&chip->mutex); - r = zd_usb_enable_int(&chip->usb); - mutex_unlock(&chip->mutex); - return r; -} - -void zd_chip_disable_int(struct zd_chip *chip) -{ - mutex_lock(&chip->mutex); - zd_usb_disable_int(&chip->usb); - mutex_unlock(&chip->mutex); - - /* cancel pending interrupt work */ - cancel_work_sync(&zd_chip_to_mac(chip)->process_intr); -} - -int zd_chip_enable_rxtx(struct zd_chip *chip) -{ - int r; - - mutex_lock(&chip->mutex); - zd_usb_enable_tx(&chip->usb); - r = zd_usb_enable_rx(&chip->usb); - zd_tx_watchdog_enable(&chip->usb); - mutex_unlock(&chip->mutex); - return r; -} - -void zd_chip_disable_rxtx(struct zd_chip *chip) -{ - mutex_lock(&chip->mutex); - zd_tx_watchdog_disable(&chip->usb); - zd_usb_disable_rx(&chip->usb); - zd_usb_disable_tx(&chip->usb); - mutex_unlock(&chip->mutex); -} - -int zd_rfwritev_locked(struct zd_chip *chip, - const u32* values, unsigned int count, u8 bits) -{ - int r; - unsigned int i; - - for (i = 0; i < count; i++) { - r = zd_rfwrite_locked(chip, values[i], bits); - if (r) - return r; - } - - return 0; -} - -/* - * We can optionally program the RF directly through CR regs, if supported by - * the hardware. This is much faster than the older method. - */ -int zd_rfwrite_cr_locked(struct zd_chip *chip, u32 value) -{ - const struct zd_ioreq16 ioreqs[] = { - { ZD_CR244, (value >> 16) & 0xff }, - { ZD_CR243, (value >> 8) & 0xff }, - { ZD_CR242, value & 0xff }, - }; - ZD_ASSERT(mutex_is_locked(&chip->mutex)); - return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); -} - -int zd_rfwritev_cr_locked(struct zd_chip *chip, - const u32 *values, unsigned int count) -{ - int r; - unsigned int i; - - for (i = 0; i < count; i++) { - r = zd_rfwrite_cr_locked(chip, values[i]); - if (r) - return r; - } - - return 0; -} - -int zd_chip_set_multicast_hash(struct zd_chip *chip, - struct zd_mc_hash *hash) -{ - const struct zd_ioreq32 ioreqs[] = { - { CR_GROUP_HASH_P1, hash->low }, - { CR_GROUP_HASH_P2, hash->high }, - }; - - return zd_iowrite32a(chip, ioreqs, ARRAY_SIZE(ioreqs)); -} - -u64 zd_chip_get_tsf(struct zd_chip *chip) -{ - int r; - static const zd_addr_t aw_pt_bi_addr[] = - { CR_TSF_LOW_PART, CR_TSF_HIGH_PART }; - u32 values[2]; - u64 tsf; - - mutex_lock(&chip->mutex); - r = zd_ioread32v_locked(chip, values, (const zd_addr_t *)aw_pt_bi_addr, - ARRAY_SIZE(aw_pt_bi_addr)); - mutex_unlock(&chip->mutex); - if (r) - return 0; - - tsf = values[1]; - tsf = (tsf << 32) | values[0]; - - return tsf; -} |