/*
* Copyright (c) 2005-2011 Atheros Communications Inc.
* Copyright (c) 2011-2013 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/module.h>
#include <linux/firmware.h>
#include <linux/of.h>
#include <linux/dmi.h>
#include <linux/ctype.h>
#include <asm/byteorder.h>
#include "core.h"
#include "mac.h"
#include "htc.h"
#include "hif.h"
#include "wmi.h"
#include "bmi.h"
#include "debug.h"
#include "htt.h"
#include "testmode.h"
#include "wmi-ops.h"
unsigned int ath10k_debug_mask;
static unsigned int ath10k_cryptmode_param;
static bool uart_print;
static bool skip_otp;
static bool rawmode;
module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644);
module_param(uart_print, bool, 0644);
module_param(skip_otp, bool, 0644);
module_param(rawmode, bool, 0644);
MODULE_PARM_DESC(debug_mask, "Debugging mask");
MODULE_PARM_DESC(uart_print, "Uart target debugging");
MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software");
MODULE_PARM_DESC(rawmode, "Use raw 802.11 frame datapath");
static const struct ath10k_hw_params ath10k_hw_params_list[] = {
{
.id = QCA988X_HW_2_0_VERSION,
.dev_id = QCA988X_2_0_DEVICE_ID,
.name = "qca988x hw2.0",
.patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
.uart_pin = 7,
.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
.otp_exe_param = 0,
.channel_counters_freq_hz = 88000,
.max_probe_resp_desc_thres = 0,
.cal_data_len = 2116,
.fw = {
.dir = QCA988X_HW_2_0_FW_DIR,
.board = QCA988X_HW_2_0_BOARD_DATA_FILE,
.board_size = QCA988X_BOARD_DATA_SZ,
.board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
},
.hw_ops = &qca988x_ops,
.decap_align_bytes = 4,
.spectral_bin_discard = 0,
.vht160_mcs_rx_highest = 0,
.vht160_mcs_tx_highest = 0,
},
{
.id = QCA9887_HW_1_0_VERSION,
.dev_id = QCA9887_1_0_DEVICE_ID,
.name = "qca9887 hw1.0",
.patch_load_addr = QCA9887_HW_1_0_PATCH_LOAD_ADDR,
.uart_pin = 7,
.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
.otp_exe_param = 0,
.channel_counters_freq_hz = 88000,
.max_probe_resp_desc_thres = 0,
.cal_data_len = 2116,
.fw = {
.dir = QCA9887_HW_1_0_FW_DIR,
.board = QCA9887_HW_1_0_BOARD_DATA_FILE,
.board_size = QCA9887_BOARD_DATA_SZ,
.board_ext_size = QCA9887_BOARD_EXT_DATA_SZ,
},
.hw_ops = &qca988x_ops,
.decap_align_bytes = 4,
.spectral_bin_discard = 0,
.vht160_mcs_rx_highest = 0,
.vht160_mcs_tx_highest = 0,
},
{
.id = QCA6174_HW_2_1_VERSION,
.dev_id = QCA6164_2_1_DEVICE_ID,
.name = "qca6164 hw2.1",
.patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
.uart_pin = 6,
.otp_exe_param = 0,
.channel_counters_freq_hz = 88000,
.max_probe_resp_desc_thres = 0,
.cal_data_len = 8124,
.fw = {
.dir = QCA6174_HW_2_1_FW_DIR,
.board = QCA6174_HW_2_1_BOARD_DATA_FILE,
.board_size = QCA6174_BOARD_DATA_SZ,
.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
},
.hw_ops = &qca988x_ops,
.decap_align_bytes = 4,
.spectral_bin_discard = 0,
.vht160_mcs_rx_highest = 0,
.vht160_mcs_tx_highest = 0,
},
{
.id = QCA6174_HW_2_1_VERSION,
.dev_id = QCA6174_2_1_DEVICE_ID,
.name = "qca6174 hw2.1",
.patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
.uart_pin = 6,
.otp_exe_param = 0,
.channel_counters_freq_hz = 88000,
.max_probe_resp_desc_thres = 0,
.cal_data_len = 8124,
.fw = {
.dir = QCA6174_HW_2_1_FW_DIR,
.board = QCA6174_HW_2_1_BOARD_DATA_FILE,
.board_size = QCA6174_BOARD_DATA_SZ,
.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
},
.hw_ops = &qca988x_ops,
.decap_align_bytes = 4,
.spectral_bin_discard = 0,
.vht160_mcs_rx_highest = 0,
.vht160_mcs_tx_highest = 0,
},
{
.id = QCA6174_HW_3_0_VERSION,
.dev_id = QCA6174_2_1_DEVICE_ID,
.name = "qca6174 hw3.0",
.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
.uart_pin = 6,
.otp_exe_param = 0,
.channel_counters_freq_hz = 88000,
.max_probe_resp_desc_thres = 0,
.cal_data_len = 8124,
.fw = {
.dir = QCA6174_HW_3_0_FW_DIR,
.board = QCA6174_HW_3_0_BOARD_DATA_FILE,
.board_size = QCA6174_BOARD_DATA_SZ,
.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
},
.hw_ops = &qca988x_ops,
.decap_align_bytes = 4,
.spectral_bin_discard = 0,
.vht160_mcs_rx_highest = 0,
.vht160_mcs_tx_highest = 0,
},
{
.id = QCA6174_HW_3_2_VERSION,
.dev_id = QCA6174_2_1_DEVICE_ID,
.name = "qca6174 hw3.2",
.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
.uart_pin = 6,
.otp_exe_param = 0,
.channel_counters_freq_hz = 88000,
.max_probe_resp_desc_thres = 0,
.cal_data_len = 8124,
.fw = {
/* uses same binaries as hw3.0 */
.dir = QCA6174_HW_3_0_FW_DIR,
.board = QCA6174_HW_3_0_BOARD_DATA_FILE,
.board_size = QCA6174_BOARD_DATA_SZ,
.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
},
.hw_ops = &qca6174_ops,
.hw_clk = qca6174_clk,
.target_cpu_freq = 176000000,
.decap_align_bytes = 4,
.spectral_bin_discard = 0,
.vht160_mcs_rx_highest = 0,
.vht160_mcs_tx_highest = 0,
},
{
.id = QCA99X0_HW_2_0_DEV_VERSION,
.dev_id = QCA99X0_2_0_DEVICE_ID,
.name = "qca99x0 hw2.0",
.patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR,
.uart_pin = 7,
.otp_exe_param = 0x00000700,
.continuous_frag_desc = true,
.cck_rate_map_rev2 = true,
.channel_counters_freq_hz = 150000,
.max_probe_resp_desc_thres = 24,
.tx_chain_mask = 0xf,
.rx_chain_mask = 0xf,
.max_spatial_stream = 4,
.cal_data_len = 12064,
.fw = {
.dir = QCA99X0_HW_2_0_FW_DIR,
.board = QCA99X0_HW_2_0_BOARD_DATA_FILE,
.board_size = QCA99X0_BOARD_DATA_SZ,
.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
},
.sw_decrypt_mcast_mgmt = true,
.hw_ops = &qca99x0_ops,
.decap_align_bytes = 1,
.spectral_bin_discard = 4,
.vht160_mcs_rx_highest = 0,
.vht160_mcs_tx_highest = 0,
},
{
.id = QCA9984_HW_1_0_DEV_VERSION,
.dev_id = QCA9984_1_0_DEVICE_ID,
.name = "qca9984/qca9994 hw1.0",
.patch_load_addr = QCA9984_HW_1_0_PATCH_LOAD_ADDR,
.uart_pin = 7,
.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
.otp_exe_param = 0x00000700,
.continuous_frag_desc = true,
.cck_rate_map_rev2 = true,
.channel_counters_freq_hz = 150000,
.max_probe_resp_desc_thres = 24,
.tx_chain_mask = 0xf,
.rx_chain_mask = 0xf,
.max_spatial_stream = 4,
.cal_data_len = 12064,
.fw = {
.dir = QCA9984_HW_1_0_FW_DIR,
.board = QCA9984_HW_1_0_BOARD_DATA_FILE,
.board_size = QCA99X0_BOARD_DATA_SZ,
.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
},
.sw_decrypt_mcast_mgmt = true,
.hw_ops = &qca99x0_ops,
.decap_align_bytes = 1,
.spectral_bin_discard = 12,
/* Can do only 2x2 VHT160 or 80+80. 1560Mbps is 4x4 80Mhz
* or 2x2 160Mhz, long-guard-interval.
*/
.vht160_mcs_rx_highest = 1560,
.vht160_mcs_tx_highest = 1560,
},
{
.id = QCA9888_HW_2_0_DEV_VERSION,
.dev_id = QCA9888_2_0_DEVICE_ID,
.name = "qca9888 hw2.0",
.patch_load_addr = QCA9888_HW_2_0_PATCH_LOAD_ADDR,
.uart_pin = 7,
.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
.otp_exe_param = 0x00000700,
.continuous_frag_desc = true,
.channel_counters_freq_hz = 150000,
.max_probe_resp_desc_thres = 24,
.tx_chain_mask = 3,
.rx_chain_mask = 3,
.max_spatial_stream = 2,
.cal_data_len = 12064,
.fw = {
.dir = QCA9888_HW_2_0_FW_DIR,
.board = QCA9888_HW_2_0_BOARD_DATA_FILE,
.board_size = QCA99X0_BOARD_DATA_SZ,
.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
},
.sw_decrypt_mcast_mgmt = true,
.hw_ops = &qca99x0_ops,
.decap_align_bytes = 1,
.spectral_bin_discard = 12,
/* Can do only 1x1 VHT160 or 80+80. 780Mbps is 2x2 80Mhz or
* 1x1 160Mhz, long-guard-interval.
*/
.vht160_mcs_rx_highest = 780,
.vht160_mcs_tx_highest = 780,
},
{
.id = QCA9377_HW_1_0_DEV_VERSION,
.dev_id = QCA9377_1_0_DEVICE_ID,
.name = "qca9377 hw1.0",
.patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
.uart_pin = 6,
.otp_exe_param = 0,
.channel_counters_freq_hz = 88000,
.max_probe_resp_desc_thres = 0,
.cal_data_len = 8124,
.fw = {
.dir = QCA9377_HW_1_0_FW_DIR,
.board = QCA9377_HW_1_0_BOARD_DATA_FILE,
.board_size = QCA9377_BOARD_DATA_SZ,
.board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
},
.hw_ops = &qca988x_ops,
.decap_align_bytes = 4,
.spectral_bin_discard = 0,
.vht160_mcs_rx_highest = 0,
.vht160_mcs_tx_highest = 0,
},
{
.id = QCA9377_HW_1_1_DEV_VERSION,
.dev_id = QCA9377_1_0_DEVICE_ID,
.name = "qca9377 hw1.1",
.patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
.uart_pin = 6,
.otp_exe_param = 0,
.channel_counters_freq_hz = 88000,
.max_probe_resp_desc_thres = 0,
.cal_data_len = 8124,
.fw = {
.dir = QCA9377_HW_1_0_FW_DIR,
.board = QCA9377_HW_1_0_BOARD_DATA_FILE,
.board_size = QCA9377_BOARD_DATA_SZ,
.board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
},
.hw_ops = &qca6174_ops,
.hw_clk = qca6174_clk,
.target_cpu_freq = 176000000,
.decap_align_bytes = 4,
.spectral_bin_discard = 0,
.vht160_mcs_rx_highest = 0,
.vht160_mcs_tx_highest = 0,
},
{
.id = QCA4019_HW_1_0_DEV_VERSION,
.dev_id = 0,
.name = "qca4019 hw1.0",
.patch_load_addr = QCA4019_HW_1_0_PATCH_LOAD_ADDR,
.uart_pin = 7,
.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
.otp_exe_param = 0x0010000,
.continuous_frag_desc = true,
.cck_rate_map_rev2 = true,
.channel_counters_freq_hz = 125000,
.max_probe_resp_desc_thres = 24,
.tx_chain_mask = 0x3,
.rx_chain_mask = 0x3,
.max_spatial_stream = 2,
.cal_data_len = 12064,
.fw = {
.dir = QCA4019_HW_1_0_FW_DIR,
.board = QCA4019_HW_1_0_BOARD_DATA_FILE,
.board_size = QCA4019_BOARD_DATA_SZ,
.board_ext_size = QCA4019_BOARD_EXT_DATA_SZ,
},
.sw_decrypt_mcast_mgmt = true,
.hw_ops = &qca99x0_ops,
.decap_align_bytes = 1,
.spectral_bin_discard = 4,
.vht160_mcs_rx_highest = 0,
.vht160_mcs_tx_highest = 0,
},
};
static const char *const ath10k_core_fw_feature_str[] = {
[ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX] = "wmi-mgmt-rx",
[ATH10K_FW_FEATURE_WMI_10X] = "wmi-10.x",
[ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX] = "has-wmi-mgmt-tx",
[ATH10K_FW_FEATURE_NO_P2P] = "no-p2p",
[ATH10K_FW_FEATURE_WMI_10_2] = "wmi-10.2",
[ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT] = "multi-vif-ps",
[ATH10K_FW_FEATURE_WOWLAN_SUPPORT] = "wowlan",
[ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
[ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
[ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
[ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
[ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA] = "adaptive-cca",
[ATH10K_FW_FEATURE_MFP_SUPPORT] = "mfp",
[ATH10K_FW_FEATURE_PEER_FLOW_CONTROL] = "peer-flow-ctrl",
[ATH10K_FW_FEATURE_BTCOEX_PARAM] = "btcoex-param",
[ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR] = "skip-null-func-war",
[ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST] = "allows-mesh-bcast",
};
static unsigned int ath10k_core_get_fw_feature_str(char *buf,
size_t buf_len,
enum ath10k_fw_features feat)
{
/* make sure that ath10k_core_fw_feature_str[] gets updated */
BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
ATH10K_FW_FEATURE_COUNT);
if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
WARN_ON(!ath10k_core_fw_feature_str[feat])) {
return scnprintf(buf, buf_len, "bit%d", feat);
}
return scnprintf(buf, buf_len, "%s", ath10k_core_fw_feature_str[feat]);
}
void ath10k_core_get_fw_features_str(struct ath10k *ar,
char *buf,
size_t buf_len)
{
size_t len = 0;
int i;
for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
if (test_bit(i, ar->normal_mode_fw.fw_file.fw_features)) {
if (len > 0)
len += scnprintf(buf + len, buf_len - len, ",");
len += ath10k_core_get_fw_feature_str(buf + len,
buf_len - len,
i);
}
}
}
static void ath10k_send_suspend_complete(struct ath10k *ar)
{
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
complete(&ar->target_suspend);
}
static void ath10k_init_sdio(struct ath10k *ar)
{
u32 param = 0;
ath10k_bmi_write32(ar, hi_mbox_io_block_sz, 256);
ath10k_bmi_write32(ar, hi_mbox_isr_yield_limit, 99);
ath10k_bmi_read32(ar, hi_acs_flags, ¶m);
param |= (HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET |
HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET |
HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE);
ath10k_bmi_write32(ar, hi_acs_flags, param);
}
static int ath10k_init_configure_target(struct ath10k *ar)
{
u32 param_host;
int ret;
/* tell target which HTC version it is used*/
ret = ath10k_bmi_write32(ar, hi_app_host_interest,
HTC_PROTOCOL_VERSION);
if (ret) {
ath10k_err(ar, "settings HTC version failed\n");
return ret;
}
/* set the firmware mode to STA/IBSS/AP */
ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m_host);
if (ret) {
ath10k_err(ar, "setting firmware mode (1/2) failed\n");
return ret;
}
/* TODO following parameters need to be re-visited. */
/* num_device */
param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
/* Firmware mode */
/* FIXME: Why FW_MODE_AP ??.*/
param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
/* mac_addr_method */
param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
/* firmware_bridge */
param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
/* fwsubmode */
param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
if (ret) {
ath10k_err(ar, "setting firmware mode (2/2) failed\n");
return ret;
}
/* We do all byte-swapping on the host */
ret = ath10k_bmi_write32(ar, hi_be, 0);
if (ret) {
ath10k_err(ar, "setting host CPU BE mode failed\n");
return ret;
}
/* FW descriptor/Data swap flags */
ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
if (ret) {
ath10k_err(ar, "setting FW data/desc swap flags failed\n");
return ret;
}
/* Some devices have a special sanity check that verifies the PCI
* Device ID is written to this host interest var. It is known to be
* required to boot QCA6164.
*/
ret = ath10k_bmi_write32(ar, hi_hci_uart_pwr_mgmt_params_ext,
ar->dev_id);
if (ret) {
ath10k_err(ar, "failed to set pwr_mgmt_params: %d\n", ret);
return ret;
}
return 0;
}
static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
const char *dir,
const char *file)
{
char filename[100];
const struct firmware *fw;
int ret;
if (file == NULL)
return ERR_PTR(-ENOENT);
if (dir == NULL)
dir = ".";
snprintf(filename, sizeof(filename), "%s/%s", dir, file);
ret = request_firmware(&fw, filename, ar->dev);
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot fw request '%s': %d\n",
filename, ret);
if (ret)
return ERR_PTR(ret);
return fw;
}
static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
size_t data_len)
{
u32 board_data_size = ar->hw_params.fw.board_size;
u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
u32 board_ext_data_addr;
int ret;
ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
if (ret) {
ath10k_err(ar, "could not read board ext data addr (%d)\n",
ret);
return ret;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot push board extended data addr 0x%x\n",
board_ext_data_addr);
if (board_ext_data_addr == 0)
return 0;
if (data_len != (board_data_size + board_ext_data_size)) {
ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
data_len, board_data_size, board_ext_data_size);
return -EINVAL;
}
ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
data + board_data_size,
board_ext_data_size);
if (ret) {
ath10k_err(ar, "could not write board ext data (%d)\n", ret);
return ret;
}
ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
(board_ext_data_size << 16) | 1);
if (ret) {
ath10k_err(ar, "could not write board ext data bit (%d)\n",
ret);
return ret;
}
return 0;
}
static int ath10k_download_board_data(struct ath10k *ar, const void *data,
size_t data_len)
{
u32 board_data_size = ar->hw_params.fw.board_size;
u32 address;
int ret;
ret = ath10k_push_board_ext_data(ar, data, data_len);
if (ret) {
ath10k_err(ar, "could not push board ext data (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_read32(ar, hi_board_data, &address);
if (ret) {
ath10k_err(ar, "could not read board data addr (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_write_memory(ar, address, data,
min_t(u32, board_data_size,
data_len));
if (ret) {
ath10k_err(ar, "could not write board data (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
if (ret) {
ath10k_err(ar, "could not write board data bit (%d)\n", ret);
goto exit;
}
exit:
return ret;
}
static int ath10k_download_cal_file(struct ath10k *ar,
const struct firmware *file)
{
int ret;
if (!file)
return -ENOENT;
if (IS_ERR(file))
return PTR_ERR(file);
ret = ath10k_download_board_data(ar, file->data, file->size);
if (ret) {
ath10k_err(ar, "failed to download cal_file data: %d\n", ret);
return ret;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n");
return 0;
}
static int ath10k_download_cal_dt(struct ath10k *ar, const char *dt_name)
{
struct device_node *node;
int data_len;
void *data;
int ret;
node = ar->dev->of_node;
if (!node)
/* Device Tree is optional, don't print any warnings if
* there's no node for ath10k.
*/
return -ENOENT;
if (!of_get_property(node, dt_name, &data_len)) {
/* The calibration data node is optional */
return -ENOENT;
}
if (data_len != ar->hw_params.cal_data_len) {
ath10k_warn(ar, "invalid calibration data length in DT: %d\n",
data_len);
ret = -EMSGSIZE;
goto out;
}
data = kmalloc(data_len, GFP_KERNEL);
if (!data) {
ret = -ENOMEM;
goto out;
}
ret = of_property_read_u8_array(node, dt_name, data, data_len);
if (ret) {
ath10k_warn(ar, "failed to read calibration data from DT: %d\n",
ret);
goto out_free;
}
ret = ath10k_download_board_data(ar, data, data_len);
if (ret) {
ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n",
ret);
goto out_free;
}
ret = 0;
out_free:
kfree(data);
out:
return ret;
}
static int ath10k_download_cal_eeprom(struct ath10k *ar)
{
size_t data_len;
void *data = NULL;
int ret;
ret = ath10k_hif_fetch_cal_eeprom(ar, &data, &data_len);
if (ret) {
if (ret != -EOPNOTSUPP)
ath10k_warn(ar, "failed to read calibration data from EEPROM: %d\n",
ret);
goto out_free;
}
ret = ath10k_download_board_data(ar, data, data_len);
if (ret) {
ath10k_warn(ar, "failed to download calibration data from EEPROM: %d\n",
ret);
goto out_free;
}
ret = 0;
out_free:
kfree(data);
return ret;
}
static int ath10k_core_get_board_id_from_otp(struct ath10k *ar)
{
u32 result, address;
u8 board_id, chip_id;
int ret, bmi_board_id_param;
address = ar->hw_params.patch_load_addr;
if (!ar->normal_mode_fw.fw_file.otp_data ||
!ar->normal_mode_fw.fw_file.otp_len) {
ath10k_warn(ar,
"failed to retrieve board id because of invalid otp\n");
return -ENODATA;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot upload otp to 0x%x len %zd for board id\n",
address, ar->normal_mode_fw.fw_file.otp_len);
ret = ath10k_bmi_fast_download(ar, address,
ar->normal_mode_fw.fw_file.otp_data,
ar->normal_mode_fw.fw_file.otp_len);
if (ret) {
ath10k_err(ar, "could not write otp for board id check: %d\n",
ret);
return ret;
}
if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE)
bmi_board_id_param = BMI_PARAM_GET_FLASH_BOARD_ID;
else
bmi_board_id_param = BMI_PARAM_GET_EEPROM_BOARD_ID;
ret = ath10k_bmi_execute(ar, address, bmi_board_id_param, &result);
if (ret) {
ath10k_err(ar, "could not execute otp for board id check: %d\n",
ret);
return ret;
}
board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP);
chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP);
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot get otp board id result 0x%08x board_id %d chip_id %d\n",
result, board_id, chip_id);
if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0 ||
(board_id == 0)) {
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"board id does not exist in otp, ignore it\n");
return -EOPNOTSUPP;
}
ar->id.bmi_ids_valid = true;
ar->id.bmi_board_id = board_id;
ar->id.bmi_chip_id = chip_id;
return 0;
}
static void ath10k_core_check_bdfext(const struct dmi_header *hdr, void *data)
{
struct ath10k *ar = data;
const char *bdf_ext;
const char *magic = ATH10K_SMBIOS_BDF_EXT_MAGIC;
u8 bdf_enabled;
int i;
if (hdr->type != ATH10K_SMBIOS_BDF_EXT_TYPE)
return;
if (hdr->length != ATH10K_SMBIOS_BDF_EXT_LENGTH) {
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"wrong smbios bdf ext type length (%d).\n",
hdr->length);
return;
}
bdf_enabled = *((u8 *)hdr + ATH10K_SMBIOS_BDF_EXT_OFFSET);
if (!bdf_enabled) {
ath10k_dbg(ar, ATH10K_DBG_BOOT, "bdf variant name not found.\n");
return;
}
/* Only one string exists (per spec) */
bdf_ext = (char *)hdr + hdr->length;
if (memcmp(bdf_ext, magic, strlen(magic)) != 0) {
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"bdf variant magic does not match.\n");
return;
}
for (i = 0; i < strlen(bdf_ext); i++) {
if (!isascii(bdf_ext[i]) || !isprint(bdf_ext[i])) {
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"bdf variant name contains non ascii chars.\n");
return;
}
}
/* Copy extension name without magic suffix */
if (strscpy(ar->id.bdf_ext, bdf_ext + strlen(magic),
sizeof(ar->id.bdf_ext)) < 0) {
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
bdf_ext);
return;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"found and validated bdf variant smbios_type 0x%x bdf %s\n",
ATH10K_SMBIOS_BDF_EXT_TYPE, bdf_ext);
}
static int ath10k_core_check_smbios(struct ath10k *ar)
{
ar->id.bdf_ext[0] = '\0';
dmi_walk(ath10k_core_check_bdfext, ar);
if (ar->id.bdf_ext[0] == '\0')
return -ENODATA;
return 0;
}
static int ath10k_download_and_run_otp(struct ath10k *ar)
{
u32 result, address = ar->hw_params.patch_load_addr;
u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param;
int ret;
ret = ath10k_download_board_data(ar,
ar->running_fw->board_data,
ar->running_fw->board_len);
if (ret) {
ath10k_err(ar, "failed to download board data: %d\n", ret);
return ret;
}
/* OTP is optional */
if (!ar->running_fw->fw_file.otp_data ||
!ar->running_fw->fw_file.otp_len) {
ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %pK otp_len %zd)!\n",
ar->running_fw->fw_file.otp_data,
ar->running_fw->fw_file.otp_len);
return 0;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
address, ar->running_fw->fw_file.otp_len);
ret = ath10k_bmi_fast_download(ar, address,
ar->running_fw->fw_file.otp_data,
ar->running_fw->fw_file.otp_len);
if (ret) {
ath10k_err(ar, "could not write otp (%d)\n", ret);
return ret;
}
/* As of now pre-cal is valid for 10_4 variants */
if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE)
bmi_otp_exe_param = BMI_PARAM_FLASH_SECTION_ALL;
ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result);
if (ret) {
ath10k_err(ar, "could not execute otp (%d)\n", ret);
return ret;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
ar->running_fw->fw_file.fw_features)) &&
result != 0) {
ath10k_err(ar, "otp calibration failed: %d", result);
return -EINVAL;
}
return 0;
}
static int ath10k_download_fw(struct ath10k *ar)
{
u32 address, data_len;
const void *data;
int ret;
address = ar->hw_params.patch_load_addr;
data = ar->running_fw->fw_file.firmware_data;
data_len = ar->running_fw->fw_file.firmware_len;
ret = ath10k_swap_code_seg_configure(ar, &ar->running_fw->fw_file);
if (ret) {
ath10k_err(ar, "failed to configure fw code swap: %d\n",
ret);
return ret;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot uploading firmware image %pK len %d\n",
data, data_len);
ret = ath10k_bmi_fast_download(ar, address, data, data_len);
if (ret) {
ath10k_err(ar, "failed to download firmware: %d\n",
ret);
return ret;
}
return ret;
}
static void ath10k_core_free_board_files(struct ath10k *ar)
{
if (!IS_ERR(ar->normal_mode_fw.board))
release_firmware(ar->normal_mode_fw.board);
ar->normal_mode_fw.board = NULL;
ar->normal_mode_fw.board_data = NULL;
ar->normal_mode_fw.board_len = 0;
}
static void ath10k_core_free_firmware_files(struct ath10k *ar)
{
if (!IS_ERR(ar->normal_mode_fw.fw_file.firmware))
release_firmware(ar->normal_mode_fw.fw_file.firmware);
if (!IS_ERR(ar->cal_file))
release_firmware(ar->cal_file);
if (!IS_ERR(ar->pre_cal_file))
release_firmware(ar->pre_cal_file);
ath10k_swap_code_seg_release(ar, &ar->normal_mode_fw.fw_file);
ar->normal_mode_fw.fw_file.otp_data = NULL;
ar->normal_mode_fw.fw_file.otp_len = 0;
ar->normal_mode_fw.fw_file.firmware = NULL;
ar->normal_mode_fw.fw_file.firmware_data = NULL;
ar->normal_mode_fw.fw_file.firmware_len = 0;
ar->cal_file = NULL;
ar->pre_cal_file = NULL;
}
static int ath10k_fetch_cal_file(struct ath10k *ar)
{
char filename[100];
/* pre-cal-<bus>-<id>.bin */
scnprintf(filename, sizeof(filename), "pre-cal-%s-%s.bin",
ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
ar->pre_cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
if (!IS_ERR(ar->pre_cal_file))
goto success;
/* cal-<bus>-<id>.bin */
scnprintf(filename, sizeof(filename), "cal-%s-%s.bin",
ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
if (IS_ERR(ar->cal_file))
/* calibration file is optional, don't print any warnings */
return PTR_ERR(ar->cal_file);
success:
ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
ATH10K_FW_DIR, filename);
return 0;
}
static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar)
{
if (!ar->hw_params.fw.board) {
ath10k_err(ar, "failed to find board file fw entry\n");
return -EINVAL;
}
ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
ar->hw_params.fw.dir,
ar->hw_params.fw.board);
if (IS_ERR(ar->normal_mode_fw.board))
return PTR_ERR(ar->normal_mode_fw.board);
ar->normal_mode_fw.board_data = ar->normal_mode_fw.board->data;
ar->normal_mode_fw.board_len = ar->normal_mode_fw.board->size;
return 0;
}
static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
const void *buf, size_t buf_len,
const char *boardname)
{
const struct ath10k_fw_ie *hdr;
bool name_match_found;
int ret, board_ie_id;
size_t board_ie_len;
const void *board_ie_data;
name_match_found = false;
/* go through ATH10K_BD_IE_BOARD_ elements */
while (buf_len > sizeof(struct ath10k_fw_ie)) {
hdr = buf;
board_ie_id = le32_to_cpu(hdr->id);
board_ie_len = le32_to_cpu(hdr->len);
board_ie_data = hdr->data;
buf_len -= sizeof(*hdr);
buf += sizeof(*hdr);
if (buf_len < ALIGN(board_ie_len, 4)) {
ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n",
buf_len, ALIGN(board_ie_len, 4));
ret = -EINVAL;
goto out;
}
switch (board_ie_id) {
case ATH10K_BD_IE_BOARD_NAME:
ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "",
board_ie_data, board_ie_len);
if (board_ie_len != strlen(boardname))
break;
ret = memcmp(board_ie_data, boardname, strlen(boardname));
if (ret)
break;
name_match_found = true;
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot found match for name '%s'",
boardname);
break;
case ATH10K_BD_IE_BOARD_DATA:
if (!name_match_found)
/* no match found */
break;
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot found board data for '%s'",
boardname);
ar->normal_mode_fw.board_data = board_ie_data;
ar->normal_mode_fw.board_len = board_ie_len;
ret = 0;
goto out;
default:
ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n",
board_ie_id);
break;
}
/* jump over the padding */
board_ie_len = ALIGN(board_ie_len, 4);
buf_len -= board_ie_len;
buf += board_ie_len;
}
/* no match found */
ret = -ENOENT;
out:
return ret;
}
static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
const char *boardname,
const char *filename)
{
size_t len, magic_len, ie_len;
struct ath10k_fw_ie *hdr;
const u8 *data;
int ret, ie_id;
ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
ar->hw_params.fw.dir,
filename);
if (IS_ERR(ar->normal_mode_fw.board))
return PTR_ERR(ar->normal_mode_fw.board);
data = ar->normal_mode_fw.board->data;
len = ar->normal_mode_fw.board->size;
/* magic has extra null byte padded */
magic_len = strlen(ATH10K_BOARD_MAGIC) + 1;
if (len < magic_len) {
ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n",
ar->hw_params.fw.dir, filename, len);
ret = -EINVAL;
goto err;
}
if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) {
ath10k_err(ar, "found invalid board magic\n");
ret = -EINVAL;
goto err;
}
/* magic is padded to 4 bytes */
magic_len = ALIGN(magic_len, 4);
if (len < magic_len) {
ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n",
ar->hw_params.fw.dir, filename, len);
ret = -EINVAL;
goto err;
}
data += magic_len;
len -= magic_len;
while (len > sizeof(struct ath10k_fw_ie)) {
hdr = (struct ath10k_fw_ie *)data;
ie_id = le32_to_cpu(hdr->id);
ie_len = le32_to_cpu(hdr->len);
len -= sizeof(*hdr);
data = hdr->data;
if (len < ALIGN(ie_len, 4)) {
ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n",
ie_id, ie_len, len);
ret = -EINVAL;
goto err;
}
switch (ie_id) {
case ATH10K_BD_IE_BOARD:
ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
boardname);
if (ret == -ENOENT && ar->id.bdf_ext[0] != '\0') {
/* try default bdf if variant was not found */
char *s, *v = ",variant=";
char boardname2[100];
strlcpy(boardname2, boardname,
sizeof(boardname2));
s = strstr(boardname2, v);
if (s)
*s = '\0'; /* strip ",variant=%s" */
ret = ath10k_core_parse_bd_ie_board(ar, data,
ie_len,
boardname2);
}
if (ret == -ENOENT)
/* no match found, continue */
break;
else if (ret)
/* there was an error, bail out */
goto err;
/* board data found */
goto out;
}
/* jump over the padding */
ie_len = ALIGN(ie_len, 4);
len -= ie_len;
data += ie_len;
}
out:
if (!ar->normal_mode_fw.board_data || !ar->normal_mode_fw.board_len) {
ath10k_err(ar,
"failed to fetch board data for %s from %s/%s\n",
boardname, ar->hw_params.fw.dir, filename);
ret = -ENODATA;
goto err;
}
return 0;
err:
ath10k_core_free_board_files(ar);
return ret;
}
static int ath10k_core_create_board_name(struct ath10k *ar, char *name,
size_t name_len)
{
/* strlen(',variant=') + strlen(ar->id.bdf_ext) */
char variant[9 + ATH10K_SMBIOS_BDF_EXT_STR_LENGTH] = { 0 };
if (ar->id.bmi_ids_valid) {
scnprintf(name, name_len,
"bus=%s,bmi-chip-id=%d,bmi-board-id=%d",
ath10k_bus_str(ar->hif.bus),
ar->id.bmi_chip_id,
ar->id.bmi_board_id);
goto out;
}
if (ar->id.bdf_ext[0] != '\0')
scnprintf(variant, sizeof(variant), ",variant=%s",
ar->id.bdf_ext);
scnprintf(name, name_len,
"bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x%s",
ath10k_bus_str(ar->hif.bus),
ar->id.vendor, ar->id.device,
ar->id.subsystem_vendor, ar->id.subsystem_device, variant);
out:
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
return 0;
}
static int ath10k_core_fetch_board_file(struct ath10k *ar)
{
char boardname[100];
int ret;
ret = ath10k_core_create_board_name(ar, boardname, sizeof(boardname));
if (ret) {
ath10k_err(ar, "failed to create board name: %d", ret);
return ret;
}
ar->bd_api = 2;
ret = ath10k_core_fetch_board_data_api_n(ar, boardname,
ATH10K_BOARD_API2_FILE);
if (!ret)
goto success;
ar->bd_api = 1;
ret = ath10k_core_fetch_board_data_api_1(ar);
if (ret) {
ath10k_err(ar, "failed to fetch board-2.bin or board.bin from %s\n",
ar->hw_params.fw.dir);
return ret;
}
success:
ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
return 0;
}
int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
struct ath10k_fw_file *fw_file)
{
size_t magic_len, len, ie_len;
int ie_id, i, index, bit, ret;
struct ath10k_fw_ie *hdr;
const u8 *data;
__le32 *timestamp, *version;
/* first fetch the firmware file (firmware-*.bin) */
fw_file->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
name);
if (IS_ERR(fw_file->firmware))
return PTR_ERR(fw_file->firmware);
data = fw_file->firmware->data;
len = fw_file->firmware->size;
/* magic also includes the null byte, check that as well */
magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
if (len < magic_len) {
ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
ar->hw_params.fw.dir, name, len);
ret = -EINVAL;
goto err;
}
if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
ath10k_err(ar, "invalid firmware magic\n");
ret = -EINVAL;
goto err;
}
/* jump over the padding */
magic_len = ALIGN(magic_len, 4);
len -= magic_len;
data += magic_len;
/* loop elements */
while (len > sizeof(struct ath10k_fw_ie)) {
hdr = (struct ath10k_fw_ie *)data;
ie_id = le32_to_cpu(hdr->id);
ie_len = le32_to_cpu(hdr->len);
len -= sizeof(*hdr);
data += sizeof(*hdr);
if (len < ie_len) {
ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
ie_id, len, ie_len);
ret = -EINVAL;
goto err;
}
switch (ie_id) {
case ATH10K_FW_IE_FW_VERSION:
if (ie_len > sizeof(fw_file->fw_version) - 1)
break;
memcpy(fw_file->fw_version, data, ie_len);
fw_file->fw_version[ie_len] = '\0';
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"found fw version %s\n",
fw_file->fw_version);
break;
case ATH10K_FW_IE_TIMESTAMP:
if (ie_len != sizeof(u32))
break;
timestamp = (__le32 *)data;
ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
le32_to_cpup(timestamp));
break;
case ATH10K_FW_IE_FEATURES:
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"found firmware features ie (%zd B)\n",
ie_len);
for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
index = i / 8;
bit = i % 8;
if (index == ie_len)
break;
if (data[index] & (1 << bit)) {
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"Enabling feature bit: %i\n",
i);
__set_bit(i, fw_file->fw_features);
}
}
ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
fw_file->fw_features,
sizeof(fw_file->fw_features));
break;
case ATH10K_FW_IE_FW_IMAGE:
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"found fw image ie (%zd B)\n",
ie_len);
fw_file->firmware_data = data;
fw_file->firmware_len = ie_len;
break;
case ATH10K_FW_IE_OTP_IMAGE:
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"found otp image ie (%zd B)\n",
ie_len);
fw_file->otp_data = data;
fw_file->otp_len = ie_len;
break;
case ATH10K_FW_IE_WMI_OP_VERSION:
if (ie_len != sizeof(u32))
break;
version = (__le32 *)data;
fw_file->wmi_op_version = le32_to_cpup(version);
ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
fw_file->wmi_op_version);
break;
case ATH10K_FW_IE_HTT_OP_VERSION:
if (ie_len != sizeof(u32))
break;
version = (__le32 *)data;
fw_file->htt_op_version = le32_to_cpup(version);
ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
fw_file->htt_op_version);
break;
case ATH10K_FW_IE_FW_CODE_SWAP_IMAGE:
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"found fw code swap image ie (%zd B)\n",
ie_len);
fw_file->codeswap_data = data;
fw_file->codeswap_len = ie_len;
break;
default:
ath10k_warn(ar, "Unknown FW IE: %u\n",
le32_to_cpu(hdr->id));
break;
}
/* jump over the padding */
ie_len = ALIGN(ie_len, 4);
len -= ie_len;
data += ie_len;
}
if (!fw_file->firmware_data ||
!fw_file->firmware_len) {
ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
ar->hw_params.fw.dir, name);
ret = -ENOMEDIUM;
goto err;
}
return 0;
err:
ath10k_core_free_firmware_files(ar);
return ret;
}
static void ath10k_core_get_fw_name(struct ath10k *ar, char *fw_name,
size_t fw_name_len, int fw_api)
{
switch (ar->hif.bus) {
case ATH10K_BUS_SDIO:
case ATH10K_BUS_USB:
scnprintf(fw_name, fw_name_len, "%s-%s-%d.bin",
ATH10K_FW_FILE_BASE, ath10k_bus_str(ar->hif.bus),
fw_api);
break;
case ATH10K_BUS_PCI:
case ATH10K_BUS_AHB:
scnprintf(fw_name, fw_name_len, "%s-%d.bin",
ATH10K_FW_FILE_BASE, fw_api);
break;
}
}
static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
{
int ret, i;
char fw_name[100];
/* calibration file is optional, don't check for any errors */
ath10k_fetch_cal_file(ar);
for (i = ATH10K_FW_API_MAX; i >= ATH10K_FW_API_MIN; i--) {
ar->fw_api = i;
ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n",
ar->fw_api);
ath10k_core_get_fw_name(ar, fw_name, sizeof(fw_name), ar->fw_api);
ret = ath10k_core_fetch_firmware_api_n(ar, fw_name,
&ar->normal_mode_fw.fw_file);
if (!ret)
goto success;
}
/* we end up here if we couldn't fetch any firmware */
ath10k_err(ar, "Failed to find firmware-N.bin (N between %d and %d) from %s: %d",
ATH10K_FW_API_MIN, ATH10K_FW_API_MAX, ar->hw_params.fw.dir,
ret);
return ret;
success:
ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
return 0;
}
static int ath10k_core_pre_cal_download(struct ath10k *ar)
{
int ret;
ret = ath10k_download_cal_file(ar, ar->pre_cal_file);
if (ret == 0) {
ar->cal_mode = ATH10K_PRE_CAL_MODE_FILE;
goto success;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot did not find a pre calibration file, try DT next: %d\n",
ret);
ret = ath10k_download_cal_dt(ar, "qcom,ath10k-pre-calibration-data");
if (ret) {
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"unable to load pre cal data from DT: %d\n", ret);
return ret;
}
ar->cal_mode = ATH10K_PRE_CAL_MODE_DT;
success:
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
ath10k_cal_mode_str(ar->cal_mode));
return 0;
}
static int ath10k_core_pre_cal_config(struct ath10k *ar)
{
int ret;
ret = ath10k_core_pre_cal_download(ar);
if (ret) {
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"failed to load pre cal data: %d\n", ret);
return ret;
}
ret = ath10k_core_get_board_id_from_otp(ar);
if (ret) {
ath10k_err(ar, "failed to get board id: %d\n", ret);
return ret;
}
ret = ath10k_download_and_run_otp(ar);
if (ret) {
ath10k_err(ar, "failed to run otp: %d\n", ret);
return ret;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"pre cal configuration done successfully\n");
return 0;
}
static int ath10k_download_cal_data(struct ath10k *ar)
{
int ret;
ret = ath10k_core_pre_cal_config(ar);
if (ret == 0)
return 0;
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"pre cal download procedure failed, try cal file: %d\n",
ret);
ret = ath10k_download_cal_file(ar, ar->cal_file);
if (ret == 0) {
ar->cal_mode = ATH10K_CAL_MODE_FILE;
goto done;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot did not find a calibration file, try DT next: %d\n",
ret);
ret = ath10k_download_cal_dt(ar, "qcom,ath10k-calibration-data");
if (ret == 0) {
ar->cal_mode = ATH10K_CAL_MODE_DT;
goto done;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot did not find DT entry, try target EEPROM next: %d\n",
ret);
ret = ath10k_download_cal_eeprom(ar);
if (ret == 0) {
ar->cal_mode = ATH10K_CAL_MODE_EEPROM;
goto done;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot did not find target EEPROM entry, try OTP next: %d\n",
ret);
ret = ath10k_download_and_run_otp(ar);
if (ret) {
ath10k_err(ar, "failed to run otp: %d\n", ret);
return ret;
}
ar->cal_mode = ATH10K_CAL_MODE_OTP;
done:
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
ath10k_cal_mode_str(ar->cal_mode));
return 0;
}
static int ath10k_init_uart(struct ath10k *ar)
{
int ret;
/*
* Explicitly setting UART prints to zero as target turns it on
* based on scratch registers.
*/
ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
if (ret) {
ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
return ret;
}
if (!uart_print)
return 0;
ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
if (ret) {
ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
return ret;
}
ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
if (ret) {
ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
return ret;
}
/* Set the UART baud rate to 19200. */
ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
if (ret) {
ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
return ret;
}
ath10k_info(ar, "UART prints enabled\n");
return 0;
}
static int ath10k_init_hw_params(struct ath10k *ar)
{
const struct ath10k_hw_params *uninitialized_var(hw_params);
int i;
for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
hw_params = &ath10k_hw_params_list[i];
if (hw_params->id == ar->target_version &&
hw_params->dev_id == ar->dev_id)
break;
}
if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
ar->target_version);
return -EINVAL;
}
ar->hw_params = *hw_params;
ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
ar->hw_params.name, ar->target_version);
return 0;
}
static void ath10k_core_restart(struct work_struct *work)
{
struct ath10k *ar = container_of(work, struct ath10k, restart_work);
int ret;
set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
/* Place a barrier to make sure the compiler doesn't reorder
* CRASH_FLUSH and calling other functions.
*/
barrier();
ieee80211_stop_queues(ar->hw);
ath10k_drain_tx(ar);
complete(&ar->scan.started);
complete(&ar->scan.completed);
complete(&ar->scan.on_channel);
complete(&ar->offchan_tx_completed);
complete(&ar->install_key_done);
complete(&ar->vdev_setup_done);
complete(&ar->thermal.wmi_sync);
complete(&ar->bss_survey_done);
wake_up(&ar->htt.empty_tx_wq);
wake_up(&ar->wmi.tx_credits_wq);
wake_up(&ar->peer_mapping_wq);
/* TODO: We can have one instance of cancelling coverage_class_work by
* moving it to ath10k_halt(), so that both stop() and restart() would
* call that but it takes conf_mutex() and if we call cancel_work_sync()
* with conf_mutex it will deadlock.
*/
cancel_work_sync(&ar->set_coverage_class_work);
mutex_lock(&ar->conf_mutex);
switch (ar->state) {
case ATH10K_STATE_ON:
ar->state = ATH10K_STATE_RESTARTING;
ath10k_halt(ar);
ath10k_scan_finish(ar);
ieee80211_restart_hw(ar->hw);
break;
case ATH10K_STATE_OFF:
/* this can happen if driver is being unloaded
* or if the crash happens during FW probing
*/
ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
break;
case ATH10K_STATE_RESTARTING:
/* hw restart might be requested from multiple places */
break;
case ATH10K_STATE_RESTARTED:
ar->state = ATH10K_STATE_WEDGED;
/* fall through */
case ATH10K_STATE_WEDGED:
ath10k_warn(ar, "device is wedged, will not restart\n");
break;
case ATH10K_STATE_UTF:
ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
break;
}
mutex_unlock(&ar->conf_mutex);
ret = ath10k_debug_fw_devcoredump(ar);
if (ret)
ath10k_warn(ar, "failed to send firmware crash dump via devcoredump: %d",
ret);
}
static void ath10k_core_set_coverage_class_work(struct work_struct *work)
{
struct ath10k *ar = container_of(work, struct ath10k,
set_coverage_class_work);
if (ar->hw_params.hw_ops->set_coverage_class)
ar->hw_params.hw_ops->set_coverage_class(ar, -1);
}
static int ath10k_core_init_firmware_features(struct ath10k *ar)
{
struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, fw_file->fw_features) &&
!test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
return -EINVAL;
}
if (fw_file->wmi_op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) {
ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n",
ATH10K_FW_WMI_OP_VERSION_MAX, fw_file->wmi_op_version);
return -EINVAL;
}
ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_NATIVE_WIFI;
switch (ath10k_cryptmode_param) {
case ATH10K_CRYPT_MODE_HW:
clear_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
clear_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
break;
case ATH10K_CRYPT_MODE_SW:
if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
fw_file->fw_features)) {
ath10k_err(ar, "cryptmode > 0 requires raw mode support from firmware");
return -EINVAL;
}
set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
set_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
break;
default:
ath10k_info(ar, "invalid cryptmode: %d\n",
ath10k_cryptmode_param);
return -EINVAL;
}
ar->htt.max_num_amsdu = ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT;
ar->htt.max_num_ampdu = ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT;
if (rawmode) {
if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
fw_file->fw_features)) {
ath10k_err(ar, "rawmode = 1 requires support from firmware");
return -EINVAL;
}
set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
}
if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_RAW;
/* Workaround:
*
* Firmware A-MSDU aggregation breaks with RAW Tx encap mode
* and causes enormous performance issues (malformed frames,
* etc).
*
* Disabling A-MSDU makes RAW mode stable with heavy traffic
* albeit a bit slower compared to regular operation.
*/
ar->htt.max_num_amsdu = 1;
}
/* Backwards compatibility for firmwares without
* ATH10K_FW_IE_WMI_OP_VERSION.
*/
if (fw_file->wmi_op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) {
if (test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
fw_file->fw_features))
fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_2;
else
fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
} else {
fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_MAIN;
}
}
switch (fw_file->wmi_op_version) {
case ATH10K_FW_WMI_OP_VERSION_MAIN:
ar->max_num_peers = TARGET_NUM_PEERS;
ar->max_num_stations = TARGET_NUM_STATIONS;
ar->max_num_vdevs = TARGET_NUM_VDEVS;
ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
WMI_STAT_PEER;
ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
break;
case ATH10K_FW_WMI_OP_VERSION_10_1:
case ATH10K_FW_WMI_OP_VERSION_10_2:
case ATH10K_FW_WMI_OP_VERSION_10_2_4:
if (ath10k_peer_stats_enabled(ar)) {
ar->max_num_peers = TARGET_10X_TX_STATS_NUM_PEERS;
ar->max_num_stations = TARGET_10X_TX_STATS_NUM_STATIONS;
} else {
ar->max_num_peers = TARGET_10X_NUM_PEERS;
ar->max_num_stations = TARGET_10X_NUM_STATIONS;
}
ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
ar->fw_stats_req_mask = WMI_STAT_PEER;
ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
break;
case ATH10K_FW_WMI_OP_VERSION_TLV:
ar->max_num_peers = TARGET_TLV_NUM_PEERS;
ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;
ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;
ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
WMI_STAT_PEER;
ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
break;
case ATH10K_FW_WMI_OP_VERSION_10_4:
ar->max_num_peers = TARGET_10_4_NUM_PEERS;
ar->max_num_stations = TARGET_10_4_NUM_STATIONS;
ar->num_active_peers = TARGET_10_4_ACTIVE_PEERS;
ar->max_num_vdevs = TARGET_10_4_NUM_VDEVS;
ar->num_tids = TARGET_10_4_TGT_NUM_TIDS;
ar->fw_stats_req_mask = WMI_10_4_STAT_PEER |
WMI_10_4_STAT_PEER_EXTD;
ar->max_spatial_stream = ar->hw_params.max_spatial_stream;
ar->max_num_tdls_vdevs = TARGET_10_4_NUM_TDLS_VDEVS;
if (test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL,
fw_file->fw_features))
ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC_PFC;
else
ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC;
break;
case ATH10K_FW_WMI_OP_VERSION_UNSET:
case ATH10K_FW_WMI_OP_VERSION_MAX:
WARN_ON(1);
return -EINVAL;
}
/* Backwards compatibility for firmwares without
* ATH10K_FW_IE_HTT_OP_VERSION.
*/
if (fw_file->htt_op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) {
switch (fw_file->wmi_op_version) {
case ATH10K_FW_WMI_OP_VERSION_MAIN:
fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_MAIN;
break;
case ATH10K_FW_WMI_OP_VERSION_10_1:
case ATH10K_FW_WMI_OP_VERSION_10_2:
case ATH10K_FW_WMI_OP_VERSION_10_2_4:
fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_10_1;
break;
case ATH10K_FW_WMI_OP_VERSION_TLV:
fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_TLV;
break;
case ATH10K_FW_WMI_OP_VERSION_10_4:
case ATH10K_FW_WMI_OP_VERSION_UNSET:
case ATH10K_FW_WMI_OP_VERSION_MAX:
ath10k_err(ar, "htt op version not found from fw meta data");
return -EINVAL;
}
}
return 0;
}
static int ath10k_core_reset_rx_filter(struct ath10k *ar)
{
int ret;
int vdev_id;
int vdev_type;
int vdev_subtype;
const u8 *vdev_addr;
vdev_id = 0;
vdev_type = WMI_VDEV_TYPE_STA;
vdev_subtype = ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE);
vdev_addr = ar->mac_addr;
ret = ath10k_wmi_vdev_create(ar, vdev_id, vdev_type, vdev_subtype,
vdev_addr);
if (ret) {
ath10k_err(ar, "failed to create dummy vdev: %d\n", ret);
return ret;
}
ret = ath10k_wmi_vdev_delete(ar, vdev_id);
if (ret) {
ath10k_err(ar, "failed to delete dummy vdev: %d\n", ret);
return ret;
}
/* WMI and HTT may use separate HIF pipes and are not guaranteed to be
* serialized properly implicitly.
*
* Moreover (most) WMI commands have no explicit acknowledges. It is
* possible to infer it implicitly by poking firmware with echo
* command - getting a reply means all preceding comments have been
* (mostly) processed.
*
* In case of vdev create/delete this is sufficient.
*
* Without this it's possible to end up with a race when HTT Rx ring is
* started before vdev create/delete hack is complete allowing a short
* window of opportunity to receive (and Tx ACK) a bunch of frames.
*/
ret = ath10k_wmi_barrier(ar);
if (ret) {
ath10k_err(ar, "failed to ping firmware: %d\n", ret);
return ret;
}
return 0;
}
int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
const struct ath10k_fw_components *fw)
{
int status;
u32 val;
lockdep_assert_held(&ar->conf_mutex);
clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
ar->running_fw = fw;
ath10k_bmi_start(ar);
if (ath10k_init_configure_target(ar)) {
status = -EINVAL;
goto err;
}
status = ath10k_download_cal_data(ar);
if (status)
goto err;
/* Some of of qca988x solutions are having global reset issue
* during target initialization. Bypassing PLL setting before
* downloading firmware and letting the SoC run on REF_CLK is
* fixing the problem. Corresponding firmware change is also needed
* to set the clock source once the target is initialized.
*/
if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
ar->running_fw->fw_file.fw_features)) {
status = ath10k_bmi_write32(ar, hi_skip_clock_init, 1);
if (status) {
ath10k_err(ar, "could not write to skip_clock_init: %d\n",
status);
goto err;
}
}
status = ath10k_download_fw(ar);
if (status)
goto err;
status = ath10k_init_uart(ar);
if (status)
goto err;
if (ar->hif.bus == ATH10K_BUS_SDIO)
ath10k_init_sdio(ar);
ar->htc.htc_ops.target_send_suspend_complete =
ath10k_send_suspend_complete;
status = ath10k_htc_init(ar);
if (status) {
ath10k_err(ar, "could not init HTC (%d)\n", status);
goto err;
}
status = ath10k_bmi_done(ar);
if (status)
goto err;
status = ath10k_wmi_attach(ar);
if (status) {
ath10k_err(ar, "WMI attach failed: %d\n", status);
goto err;
}
status = ath10k_htt_init(ar);
if (status) {
ath10k_err(ar, "failed to init htt: %d\n", status);
goto err_wmi_detach;
}
status = ath10k_htt_tx_start(&ar->htt);
if (status) {
ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
goto err_wmi_detach;
}
/* If firmware indicates Full Rx Reorder support it must be used in a
* slightly different manner. Let HTT code know.
*/
ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
ar->wmi.svc_map));
status = ath10k_htt_rx_alloc(&ar->htt);
if (status) {
ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
goto err_htt_tx_detach;
}
status = ath10k_hif_start(ar);
if (status) {
ath10k_err(ar, "could not start HIF: %d\n", status);
goto err_htt_rx_detach;
}
status = ath10k_htc_wait_target(&ar->htc);
if (status) {
ath10k_err(ar, "failed to connect to HTC: %d\n", status);
goto err_hif_stop;
}
if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
status = ath10k_htt_connect(&ar->htt);
if (status) {
ath10k_err(ar, "failed to connect htt (%d)\n", status);
goto err_hif_stop;
}
}
status = ath10k_wmi_connect(ar);
if (status) {
ath10k_err(ar, "could not connect wmi: %d\n", status);
goto err_hif_stop;
}
status = ath10k_htc_start(&ar->htc);
if (status) {
ath10k_err(ar, "failed to start htc: %d\n", status);
goto err_hif_stop;
}
if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
status = ath10k_wmi_wait_for_service_ready(ar);
if (status) {
ath10k_warn(ar, "wmi service ready event not received");
goto err_hif_stop;
}
}
ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
ar->hw->wiphy->fw_version);
if (test_bit(WMI_SERVICE_EXT_RES_CFG_SUPPORT, ar->wmi.svc_map) &&
mode == ATH10K_FIRMWARE_MODE_NORMAL) {
val = 0;
if (ath10k_peer_stats_enabled(ar))
val = WMI_10_4_PEER_STATS;
if (test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map))
val |= WMI_10_4_BSS_CHANNEL_INFO_64;
/* 10.4 firmware supports BT-Coex without reloading firmware
* via pdev param. To support Bluetooth coexistence pdev param,
* WMI_COEX_GPIO_SUPPORT of extended resource config should be
* enabled always.
*/
if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map) &&
test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM,
ar->running_fw->fw_file.fw_features))
val |= WMI_10_4_COEX_GPIO_SUPPORT;
if (test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY,
ar->wmi.svc_map))
val |= WMI_10_4_TDLS_EXPLICIT_MODE_ONLY;
if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA,
ar->wmi.svc_map))
val |= WMI_10_4_TDLS_UAPSD_BUFFER_STA;
status = ath10k_mac_ext_resource_config(ar, val);
if (status) {
ath10k_err(ar,
"failed to send ext resource cfg command : %d\n",
status);
goto err_hif_stop;
}
}
status = ath10k_wmi_cmd_init(ar);
if (status) {
ath10k_err(ar, "could not send WMI init command (%d)\n",
status);
goto err_hif_stop;
}
status = ath10k_wmi_wait_for_unified_ready(ar);
if (status) {
ath10k_err(ar, "wmi unified ready event not received\n");
goto err_hif_stop;
}
/* Some firmware revisions do not properly set up hardware rx filter
* registers.
*
* A known example from QCA9880 and 10.2.4 is that MAC_PCU_ADDR1_MASK
* is filled with 0s instead of 1s allowing HW to respond with ACKs to
* any frames that matches MAC_PCU_RX_FILTER which is also
* misconfigured to accept anything.
*
* The ADDR1 is programmed using internal firmware structure field and
* can't be (easily/sanely) reached from the driver explicitly. It is
* possible to implicitly make it correct by creating a dummy vdev and
* then deleting it.
*/
if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
status = ath10k_core_reset_rx_filter(ar);
if (status) {
ath10k_err(ar,
"failed to reset rx filter: %d\n", status);
goto err_hif_stop;
}
}
status = ath10k_htt_rx_ring_refill(ar);
if (status) {
ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
goto err_hif_stop;
}
if (ar->max_num_vdevs >= 64)
ar->free_vdev_map = 0xFFFFFFFFFFFFFFFFLL;
else
ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
INIT_LIST_HEAD(&ar->arvifs);
/* we don't care about HTT in UTF mode */
if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
status = ath10k_htt_setup(&ar->htt);
if (status) {
ath10k_err(ar, "failed to setup htt: %d\n", status);
goto err_hif_stop;
}
}
status = ath10k_debug_start(ar);
if (status)
goto err_hif_stop;
return 0;
err_hif_stop:
ath10k_hif_stop(ar);
err_htt_rx_detach:
ath10k_htt_rx_free(&ar->htt);
err_htt_tx_detach:
ath10k_htt_tx_free(&ar->htt);
err_wmi_detach:
ath10k_wmi_detach(ar);
err:
return status;
}
EXPORT_SYMBOL(ath10k_core_start);
int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
{
int ret;
unsigned long time_left;
reinit_completion(&ar->target_suspend);
ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
if (ret) {
ath10k_warn(ar, "could not suspend target (%d)\n", ret);
return ret;
}
time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
if (!time_left) {
ath10k_warn(ar, "suspend timed out - target pause event never came\n");
return -ETIMEDOUT;
}
return 0;
}
void ath10k_core_stop(struct ath10k *ar)
{
lockdep_assert_held(&ar->conf_mutex);
ath10k_debug_stop(ar);
/* try to suspend target */
if (ar->state != ATH10K_STATE_RESTARTING &&
ar->state != ATH10K_STATE_UTF)
ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
ath10k_hif_stop(ar);
ath10k_htt_tx_stop(&ar->htt);
ath10k_htt_rx_free(&ar->htt);
ath10k_wmi_detach(ar);
}
EXPORT_SYMBOL(ath10k_core_stop);
/* mac80211 manages fw/hw initialization through start/stop hooks. However in
* order to know what hw capabilities should be advertised to mac80211 it is
* necessary to load the firmware (and tear it down immediately since start
* hook will try to init it again) before registering
*/
static int ath10k_core_probe_fw(struct ath10k *ar)
{
struct bmi_target_info target_info;
int ret = 0;
ret = ath10k_hif_power_up(ar);
if (ret) {
ath10k_err(ar, "could not start pci hif (%d)\n", ret);
return ret;
}
memset(&target_info, 0, sizeof(target_info));
if (ar->hif.bus == ATH10K_BUS_SDIO)
ret = ath10k_bmi_get_target_info_sdio(ar, &target_info);
else
ret = ath10k_bmi_get_target_info(ar, &target_info);
if (ret) {
ath10k_err(ar, "could not get target info (%d)\n", ret);
goto err_power_down;
}
ar->target_version = target_info.version;
ar->hw->wiphy->hw_version = target_info.version;
ret = ath10k_init_hw_params(ar);
if (ret) {
ath10k_err(ar, "could not get hw params (%d)\n", ret);
goto err_power_down;
}
ret = ath10k_core_fetch_firmware_files(ar);
if (ret) {
ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
goto err_power_down;
}
BUILD_BUG_ON(sizeof(ar->hw->wiphy->fw_version) !=
sizeof(ar->normal_mode_fw.fw_file.fw_version));
memcpy(ar->hw->wiphy->fw_version, ar->normal_mode_fw.fw_file.fw_version,
sizeof(ar->hw->wiphy->fw_version));
ath10k_debug_print_hwfw_info(ar);
ret = ath10k_core_pre_cal_download(ar);
if (ret) {
/* pre calibration data download is not necessary
* for all the chipsets. Ignore failures and continue.
*/
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"could not load pre cal data: %d\n", ret);
}
ret = ath10k_core_get_board_id_from_otp(ar);
if (ret && ret != -EOPNOTSUPP) {
ath10k_err(ar, "failed to get board id from otp: %d\n",
ret);
goto err_free_firmware_files;
}
ret = ath10k_core_check_smbios(ar);
if (ret)
ath10k_dbg(ar, ATH10K_DBG_BOOT, "bdf variant name not set.\n");
ret = ath10k_core_fetch_board_file(ar);
if (ret) {
ath10k_err(ar, "failed to fetch board file: %d\n", ret);
goto err_free_firmware_files;
}
ath10k_debug_print_board_info(ar);
ret = ath10k_core_init_firmware_features(ar);
if (ret) {
ath10k_err(ar, "fatal problem with firmware features: %d\n",
ret);
goto err_free_firmware_files;
}
ret = ath10k_swap_code_seg_init(ar, &ar->normal_mode_fw.fw_file);
if (ret) {
ath10k_err(ar, "failed to initialize code swap segment: %d\n",
ret);
goto err_free_firmware_files;
}
mutex_lock(&ar->conf_mutex);
ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL,
&ar->normal_mode_fw);
if (ret) {
ath10k_err(ar, "could not init core (%d)\n", ret);
goto err_unlock;
}
ath10k_debug_print_boot_info(ar);
ath10k_core_stop(ar);
mutex_unlock(&ar->conf_mutex);
ath10k_hif_power_down(ar);
return 0;
err_unlock:
mutex_unlock(&ar->conf_mutex);
err_free_firmware_files:
ath10k_core_free_firmware_files(ar);
err_power_down:
ath10k_hif_power_down(ar);
return ret;
}
static void ath10k_core_register_work(struct work_struct *work)
{
struct ath10k *ar = container_of(work, struct ath10k, register_work);
int status;
/* peer stats are enabled by default */
set_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags);
status = ath10k_core_probe_fw(ar);
if (status) {
ath10k_err(ar, "could not probe fw (%d)\n", status);
goto err;
}
status = ath10k_mac_register(ar);
if (status) {
ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
goto err_release_fw;
}
status = ath10k_debug_register(ar);
if (status) {
ath10k_err(ar, "unable to initialize debugfs\n");
goto err_unregister_mac;
}
status = ath10k_spectral_create(ar);
if (status) {
ath10k_err(ar, "failed to initialize spectral\n");
goto err_debug_destroy;
}
status = ath10k_thermal_register(ar);
if (status) {
ath10k_err(ar, "could not register thermal device: %d\n",
status);
goto err_spectral_destroy;
}
set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
return;
err_spectral_destroy:
ath10k_spectral_destroy(ar);
err_debug_destroy:
ath10k_debug_destroy(ar);
err_unregister_mac:
ath10k_mac_unregister(ar);
err_release_fw:
ath10k_core_free_firmware_files(ar);
err:
/* TODO: It's probably a good idea to release device from the driver
* but calling device_release_driver() here will cause a deadlock.
*/
return;
}
int ath10k_core_register(struct ath10k *ar, u32 chip_id)
{
ar->chip_id = chip_id;
queue_work(ar->workqueue, &ar->register_work);
return 0;
}
EXPORT_SYMBOL(ath10k_core_register);
void ath10k_core_unregister(struct ath10k *ar)
{
cancel_work_sync(&ar->register_work);
if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
return;
ath10k_thermal_unregister(ar);
/* Stop spectral before unregistering from mac80211 to remove the
* relayfs debugfs file cleanly. Otherwise the parent debugfs tree
* would be already be free'd recursively, leading to a double free.
*/
ath10k_spectral_destroy(ar);
/* We must unregister from mac80211 before we stop HTC and HIF.
* Otherwise we will fail to submit commands to FW and mac80211 will be
* unhappy about callback failures.
*/
ath10k_mac_unregister(ar);
ath10k_testmode_destroy(ar);
ath10k_core_free_firmware_files(ar);
ath10k_core_free_board_files(ar);
ath10k_debug_unregister(ar);
}
EXPORT_SYMBOL(ath10k_core_unregister);
struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
enum ath10k_bus bus,
enum ath10k_hw_rev hw_rev,
const struct ath10k_hif_ops *hif_ops)
{
struct ath10k *ar;
int ret;
ar = ath10k_mac_create(priv_size);
if (!ar)
return NULL;
ar->ath_common.priv = ar;
ar->ath_common.hw = ar->hw;
ar->dev = dev;
ar->hw_rev = hw_rev;
ar->hif.ops = hif_ops;
ar->hif.bus = bus;
switch (hw_rev) {
case ATH10K_HW_QCA988X:
case ATH10K_HW_QCA9887:
ar->regs = &qca988x_regs;
ar->hw_ce_regs = &qcax_ce_regs;
ar->hw_values = &qca988x_values;
break;
case ATH10K_HW_QCA6174:
case ATH10K_HW_QCA9377:
ar->regs = &qca6174_regs;
ar->hw_ce_regs = &qcax_ce_regs;
ar->hw_values = &qca6174_values;
break;
case ATH10K_HW_QCA99X0:
case ATH10K_HW_QCA9984:
ar->regs = &qca99x0_regs;
ar->hw_ce_regs = &qcax_ce_regs;
ar->hw_values = &qca99x0_values;
break;
case ATH10K_HW_QCA9888:
ar->regs = &qca99x0_regs;
ar->hw_ce_regs = &qcax_ce_regs;
ar->hw_values = &qca9888_values;
break;
case ATH10K_HW_QCA4019:
ar->regs = &qca4019_regs;
ar->hw_ce_regs = &qcax_ce_regs;
ar->hw_values = &qca4019_values;
break;
case ATH10K_HW_WCN3990:
ar->regs = &wcn3990_regs;
ar->hw_ce_regs = &wcn3990_ce_regs;
ar->hw_values = &wcn3990_values;
break;
default:
ath10k_err(ar, "unsupported core hardware revision %d\n",
hw_rev);
ret = -ENOTSUPP;
goto err_free_mac;
}
init_completion(&ar->scan.started);
init_completion(&ar->scan.completed);
init_completion(&ar->scan.on_channel);
init_completion(&ar->target_suspend);
init_completion(&ar->wow.wakeup_completed);
init_completion(&ar->install_key_done);
init_completion(&ar->vdev_setup_done);
init_completion(&ar->thermal.wmi_sync);
init_completion(&ar->bss_survey_done);
INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
ar->workqueue = create_singlethread_workqueue("ath10k_wq");
if (!ar->workqueue)
goto err_free_mac;
ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq");
if (!ar->workqueue_aux)
goto err_free_wq;
mutex_init(&ar->conf_mutex);
spin_lock_init(&ar->data_lock);
spin_lock_init(&ar->txqs_lock);
INIT_LIST_HEAD(&ar->txqs);
INIT_LIST_HEAD(&ar->peers);
init_waitqueue_head(&ar->peer_mapping_wq);
init_waitqueue_head(&ar->htt.empty_tx_wq);
init_waitqueue_head(&ar->wmi.tx_credits_wq);
init_completion(&ar->offchan_tx_completed);
INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
skb_queue_head_init(&ar->offchan_tx_queue);
INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
INIT_WORK(&ar->register_work, ath10k_core_register_work);
INIT_WORK(&ar->restart_work, ath10k_core_restart);
INIT_WORK(&ar->set_coverage_class_work,
ath10k_core_set_coverage_class_work);
init_dummy_netdev(&ar->napi_dev);
ret = ath10k_debug_create(ar);
if (ret)
goto err_free_aux_wq;
return ar;
err_free_aux_wq:
destroy_workqueue(ar->workqueue_aux);
err_free_wq:
destroy_workqueue(ar->workqueue);
err_free_mac:
ath10k_mac_destroy(ar);
return NULL;
}
EXPORT_SYMBOL(ath10k_core_create);
void ath10k_core_destroy(struct ath10k *ar)
{
flush_workqueue(ar->workqueue);
destroy_workqueue(ar->workqueue);
flush_workqueue(ar->workqueue_aux);
destroy_workqueue(ar->workqueue_aux);
ath10k_debug_destroy(ar);
ath10k_htt_tx_destroy(&ar->htt);
ath10k_wmi_free_host_mem(ar);
ath10k_mac_destroy(ar);
}
EXPORT_SYMBOL(ath10k_core_destroy);
MODULE_AUTHOR("Qualcomm Atheros");
MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ac wireless LAN cards.");
MODULE_LICENSE("Dual BSD/GPL");
