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core.c
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/*
* 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/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;
static int _modparam_override_eeprom_regdomain = -1;
module_param_named(override_eeprom_regdomain,
_modparam_override_eeprom_regdomain, int, 0444);
MODULE_PARM_DESC(override_eeprom_regdomain, "Override regdomain hardcoded in EEPROM with this value (DANGEROUS).");
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,
.has_shifted_cc_wraparound = true,
.otp_exe_param = 0,
.channel_counters_freq_hz = 88000,
.max_probe_resp_desc_thres = 0,
.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
.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,
},
},
{
.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,
.has_shifted_cc_wraparound = true,
.otp_exe_param = 0,
.channel_counters_freq_hz = 88000,
.max_probe_resp_desc_thres = 0,
.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
.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,
},
},
{
.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,
},
},
{
.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,
.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
.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,
},
},
{
.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,
.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
.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,
},
},
{
.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,
.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
.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,
},
},
{
.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,
.channel_counters_freq_hz = 150000,
.max_probe_resp_desc_thres = 24,
.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_BEFORE,
.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,
},
},
{
.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,
.otp_exe_param = 0x00000700,
.continuous_frag_desc = true,
.channel_counters_freq_hz = 150000,
.max_probe_resp_desc_thres = 24,
.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_BEFORE,
.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,
},
},
{
.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,
.otp_exe_param = 0x00000700,
.continuous_frag_desc = true,
.channel_counters_freq_hz = 150000,
.max_probe_resp_desc_thres = 24,
.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_BEFORE,
.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,
},
},
{
.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,
},
},
{
.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,
},
},
{
.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,
.has_shifted_cc_wraparound = true,
.otp_exe_param = 0x0010000,
.continuous_frag_desc = true,
.channel_counters_freq_hz = 125000,
.max_probe_resp_desc_thres = 24,
.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_BEFORE,
.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,
},
},
};
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_WMI_10X_CT] = "wmi-10.x-CT",
[ATH10K_FW_FEATURE_CT_RXSWCRYPT] = "rxswcrypt-CT",
[ATH10K_FW_FEATURE_HAS_TXSTATUS_NOACK] = "txstatus-noack",
[ATH10K_FW_FEATURE_CT_RATEMASK] = "ratemask-CT",
[ATH10K_FW_FEATURE_HAS_SAFE_BURST] = "safe-burst",
[ATH10K_FW_FEATURE_REGDUMP_CT] = "regdump-CT",
[ATH10K_FW_FEATURE_TXRATE_CT] = "txrate-CT",
[ATH10K_FW_FEATURE_FLUSH_ALL_CT] = "flush-all-CT",
[ATH10K_FW_FEATURE_PINGPONG_READ_CT] = "pingpong-CT",
[ATH10K_FW_FEATURE_SKIP_CH_RES_CT] = "ch-regs-CT",
[ATH10K_FW_FEATURE_NOP_CT] = "nop-CT",
[ATH10K_FW_FEATURE_HTT_MGT_CT] = "htt-mgt-CT",
[ATH10K_FW_FEATURE_SET_SPECIAL_CT] = "set-special-CT",
[ATH10K_FW_FEATURE_NO_BMISS_CT] = "no-bmiss-CT",
};
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)
{
unsigned int 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);
}
}
}
#if defined CONFIG_DMAR_TABLE && !defined STANDALONE_CT
void ath10k_dbg_dma_map(struct ath10k* ar, unsigned long long addr, unsigned long len, const char* dbg)
{
unsigned int i = ar->next_dma_dbg_idx++;
if (ar->next_dma_dbg_idx >= MAX_DMA_DBG_ENTRIES)
ar->next_dma_dbg_idx = 0;
ar->dma_dbg[i].addr = addr;
ar->dma_dbg[i].len = len;
ar->dma_dbg[i].type = dbg;
ar->dma_dbg[i].at = jiffies;
}
EXPORT_SYMBOL(ath10k_dbg_dma_map);
struct ath10k* ar_array[MAX_AR];
/* DMAR debugging hack, see dmar.c */
extern void (*dmar_fault_dbg_hook)(int type, u8 fault_reason, u16 source_id, unsigned long long addr,
const char* reason, int fault_type);
static void ath10k_dmar_dbg_hook(int type, u8 fault_reason, u16 source_id, unsigned long long addr,
const char* reason, int fault_type)
{
unsigned int pci_src = source_id >> 8;
//unsigned int pci_slot = PCI_SLOT(source_id & 0xFF);
//unsigned int pci_func = source_id & 0xFF;
int i, q;
/* This sucks, must be a better way. */
char fault_dev[40];
sprintf(fault_dev, "0000:%02x:00.0", pci_src);
pr_err("ath10k, dmar-dbg-hook, fault-dev: %s, addr: 0x%llx searching for matching device, jiffies: %lu\n",
fault_dev, addr, jiffies);
for (i = 0; i<MAX_AR; i++) {
struct ath10k* ar = ar_array[i];
const char* ar_dev_name;
if (!ar)
continue;
ar_dev_name = dev_name(ar->dev);
if (strcmp(fault_dev, ar_dev_name) != 0)
continue;
/* found it */
ath10k_err(ar, "DMAR error reported, addr: 0x%llx reason: %s\n",
addr, reason);
for (q = 0; q<MAX_DMA_DBG_ENTRIES; q++) {
if ((ar->dma_dbg[q].addr > (addr - 4096)) &&
(ar->dma_dbg[q].addr < (addr + ar->dma_dbg[q].len + 4096))) {
ath10k_err(ar, "[%i] addr: 0x%llx len: %lu at: %llu type: %s\n",
q, ar->dma_dbg[q].addr, ar->dma_dbg[q].len, ar->dma_dbg[q].at, ar->dma_dbg[q].type);
}
}
}
}
#else
#warning "Not compiling DMAR debug hook on this platform.";
#endif
static void ath10k_send_suspend_complete(struct ath10k *ar)
{
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
complete(&ar->target_suspend);
}
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;
}
/* Configure HTC credits logic. */
param_host = (TARGET_HTC_MAX_CONTROL_BUFFERS << 16);
param_host |= (TARGET_HTC_MAX_PENDING_TXCREDITS_RPTS << 20);
/* Max tx buffers (tx-credits), CT firmware only.
* but normal .487 firmware will just ignore it fine.
*/
param_host |= (TARGET_HTC_MAX_TX_CREDITS_CT << 24);
ret = ath10k_bmi_write32(ar, hi_mbox_io_block_sz,
param_host);
if (ret) {
ath10k_err(ar, "failed setting HTC mbox-io-block-sz\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);
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;
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;
}
ret = ath10k_bmi_execute(ar, address, BMI_PARAM_GET_EEPROM_BOARD_ID,
&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)
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 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 %p 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;
}
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);
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 %p 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);
if (!IS_ERR(ar->fwcfg_file))
release_firmware(ar->fwcfg_file);
ar->fwcfg_file = NULL;
ath10k_swap_code_seg_release(ar);
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;
if (ar->fwcfg.calname[0]) {
/* Use user-specified file name. */
strncpy(filename, ar->fwcfg.calname, sizeof(filename));
filename[sizeof(filename) - 1] = 0;
} else {
/* 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_fetch_fwcfg_file(struct ath10k *ar)
{
char filename[100];
const char* buf;
size_t i = 0;
char val[100];
size_t key_idx;
size_t val_idx;
char c;
size_t sz;
long t;
ar->fwcfg.flags = 0;
/* fwcfg-<bus>-<id>.txt */
/* If this changes, change ath10k_read_fwinfo as well. */
scnprintf(filename, sizeof(filename), "fwcfg-%s-%s.txt",
ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
ar->fwcfg_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
if (IS_ERR(ar->fwcfg_file)) {
/* FW config file is optional, don't be scary. */
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"Could not find firmware config file %s/%s, continuing with defaults.\n",
ATH10K_FW_DIR, filename);
return PTR_ERR(ar->fwcfg_file);
}
ath10k_dbg(ar, ATH10K_DBG_BOOT, "found firmware config file %s/%s\n",
ATH10K_FW_DIR, filename);
/* Now, attempt to parse results.
* Format is key=value
*/
buf = (const char*)(ar->fwcfg_file->data);
while (i < ar->fwcfg_file->size) {
start_again:
/* First, eat space, or entire line if we have # as first char */
c = buf[i];
while (isspace(c)) {
i++;
if (i >= ar->fwcfg_file->size)
goto done;
c = buf[i];
}
/* Eat comment ? */
if (c == '#') {
i++;
while (i < ar->fwcfg_file->size) {
c = buf[i];
i++;
if (c == '\n')
goto start_again;
}
/* Found no newline, must be done. */
goto done;
}
/* If here, we have start of token, store it in 'filename' to save space */
key_idx = 0;
while (i < ar->fwcfg_file->size) {
c = buf[i];
if (c == '=') {
i++;
c = buf[i];