core.c 49.2 KB
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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>
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#include <linux/of.h>
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#include "core.h"
#include "mac.h"
#include "htc.h"
#include "hif.h"
#include "wmi.h"
#include "bmi.h"
#include "debug.h"
#include "htt.h"
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#include "testmode.h"
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#include "wmi-ops.h"
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unsigned int ath10k_debug_mask;
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static unsigned int ath10k_cryptmode_param;
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static bool uart_print;
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static bool skip_otp;
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static bool rawmode;
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module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
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module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644);
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module_param(uart_print, bool, 0644);
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module_param(skip_otp, bool, 0644);
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module_param(rawmode, bool, 0644);
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MODULE_PARM_DESC(debug_mask, "Debugging mask");
MODULE_PARM_DESC(uart_print, "Uart target debugging");
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MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
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MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software");
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MODULE_PARM_DESC(rawmode, "Use raw 802.11 frame datapath");
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static const struct ath10k_hw_params ath10k_hw_params_list[] = {
	{
		.id = QCA988X_HW_2_0_VERSION,
		.name = "qca988x hw2.0",
		.patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
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		.uart_pin = 7,
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		.has_shifted_cc_wraparound = true,
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		.otp_exe_param = 0,
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		.channel_counters_freq_hz = 88000,
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		.max_probe_resp_desc_thres = 0,
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		.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
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		.fw = {
			.dir = QCA988X_HW_2_0_FW_DIR,
			.fw = QCA988X_HW_2_0_FW_FILE,
			.otp = QCA988X_HW_2_0_OTP_FILE,
			.board = QCA988X_HW_2_0_BOARD_DATA_FILE,
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			.board_size = QCA988X_BOARD_DATA_SZ,
			.board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
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		},
	},
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	{
		.id = QCA6174_HW_2_1_VERSION,
		.name = "qca6174 hw2.1",
		.patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
		.uart_pin = 6,
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		.otp_exe_param = 0,
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		.channel_counters_freq_hz = 88000,
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		.max_probe_resp_desc_thres = 0,
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		.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
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		.fw = {
			.dir = QCA6174_HW_2_1_FW_DIR,
			.fw = QCA6174_HW_2_1_FW_FILE,
			.otp = QCA6174_HW_2_1_OTP_FILE,
			.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,
		.name = "qca6174 hw3.0",
		.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
		.uart_pin = 6,
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		.otp_exe_param = 0,
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		.channel_counters_freq_hz = 88000,
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		.max_probe_resp_desc_thres = 0,
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		.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
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		.fw = {
			.dir = QCA6174_HW_3_0_FW_DIR,
			.fw = QCA6174_HW_3_0_FW_FILE,
			.otp = QCA6174_HW_3_0_OTP_FILE,
			.board = QCA6174_HW_3_0_BOARD_DATA_FILE,
			.board_size = QCA6174_BOARD_DATA_SZ,
			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
		},
	},
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	{
		.id = QCA6174_HW_3_2_VERSION,
		.name = "qca6174 hw3.2",
		.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
		.uart_pin = 6,
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		.otp_exe_param = 0,
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		.channel_counters_freq_hz = 88000,
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		.max_probe_resp_desc_thres = 0,
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		.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
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		.fw = {
			/* uses same binaries as hw3.0 */
			.dir = QCA6174_HW_3_0_FW_DIR,
			.fw = QCA6174_HW_3_0_FW_FILE,
			.otp = QCA6174_HW_3_0_OTP_FILE,
			.board = QCA6174_HW_3_0_BOARD_DATA_FILE,
			.board_size = QCA6174_BOARD_DATA_SZ,
			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
		},
	},
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	{
		.id = QCA99X0_HW_2_0_DEV_VERSION,
		.name = "qca99x0 hw2.0",
		.patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR,
		.uart_pin = 7,
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		.otp_exe_param = 0x00000700,
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		.continuous_frag_desc = true,
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		.channel_counters_freq_hz = 150000,
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		.max_probe_resp_desc_thres = 24,
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		.hw_4addr_pad = ATH10K_HW_4ADDR_PAD_BEFORE,
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		.fw = {
			.dir = QCA99X0_HW_2_0_FW_DIR,
			.fw = QCA99X0_HW_2_0_FW_FILE,
			.otp = QCA99X0_HW_2_0_OTP_FILE,
			.board = QCA99X0_HW_2_0_BOARD_DATA_FILE,
			.board_size = QCA99X0_BOARD_DATA_SZ,
			.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
		},
	},
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	{
		.id = QCA9377_HW_1_0_DEV_VERSION,
		.name = "qca9377 hw1.0",
		.patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
		.uart_pin = 7,
		.otp_exe_param = 0,
		.fw = {
			.dir = QCA9377_HW_1_0_FW_DIR,
			.fw = QCA9377_HW_1_0_FW_FILE,
			.otp = QCA9377_HW_1_0_OTP_FILE,
			.board = QCA9377_HW_1_0_BOARD_DATA_FILE,
			.board_size = QCA9377_BOARD_DATA_SZ,
			.board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
		},
	},
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};

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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",
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	[ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
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	[ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA] = "adaptive-cca",
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	[ATH10K_FW_FEATURE_MFP_SUPPORT] = "mfp",
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};

static unsigned int ath10k_core_get_fw_feature_str(char *buf,
						   size_t buf_len,
						   enum ath10k_fw_features feat)
{
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	/* make sure that ath10k_core_fw_feature_str[] gets updated */
	BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
		     ATH10K_FW_FEATURE_COUNT);

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	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->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);
		}
	}
}

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static void ath10k_send_suspend_complete(struct ath10k *ar)
{
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	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
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	complete(&ar->target_suspend);
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}

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) {
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		ath10k_err(ar, "settings HTC version failed\n");
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		return ret;
	}

	/* set the firmware mode to STA/IBSS/AP */
	ret = ath10k_bmi_read32(ar, hi_option_flag, &param_host);
	if (ret) {
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		ath10k_err(ar, "setting firmware mode (1/2) failed\n");
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		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) {
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		ath10k_err(ar, "setting firmware mode (2/2) failed\n");
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		return ret;
	}

	/* We do all byte-swapping on the host */
	ret = ath10k_bmi_write32(ar, hi_be, 0);
	if (ret) {
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		ath10k_err(ar, "setting host CPU BE mode failed\n");
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		return ret;
	}

	/* FW descriptor/Data swap flags */
	ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);

	if (ret) {
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		ath10k_err(ar, "setting FW data/desc swap flags failed\n");
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		return ret;
	}

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	/* 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;
	}

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	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;
}

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static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
				      size_t data_len)
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{
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	u32 board_data_size = ar->hw_params.fw.board_size;
	u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
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	u32 board_ext_data_addr;
	int ret;

	ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
	if (ret) {
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		ath10k_err(ar, "could not read board ext data addr (%d)\n",
			   ret);
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		return ret;
	}

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	ath10k_dbg(ar, ATH10K_DBG_BOOT,
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		   "boot push board extended data addr 0x%x\n",
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		   board_ext_data_addr);

	if (board_ext_data_addr == 0)
		return 0;

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	if (data_len != (board_data_size + board_ext_data_size)) {
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		ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
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			   data_len, board_data_size, board_ext_data_size);
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		return -EINVAL;
	}

	ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
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				      data + board_data_size,
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				      board_ext_data_size);
	if (ret) {
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		ath10k_err(ar, "could not write board ext data (%d)\n", ret);
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		return ret;
	}

	ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
				 (board_ext_data_size << 16) | 1);
	if (ret) {
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		ath10k_err(ar, "could not write board ext data bit (%d)\n",
			   ret);
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		return ret;
	}

	return 0;
}

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static int ath10k_download_board_data(struct ath10k *ar, const void *data,
				      size_t data_len)
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{
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	u32 board_data_size = ar->hw_params.fw.board_size;
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	u32 address;
	int ret;

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	ret = ath10k_push_board_ext_data(ar, data, data_len);
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	if (ret) {
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		ath10k_err(ar, "could not push board ext data (%d)\n", ret);
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		goto exit;
	}

	ret = ath10k_bmi_read32(ar, hi_board_data, &address);
	if (ret) {
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		ath10k_err(ar, "could not read board data addr (%d)\n", ret);
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		goto exit;
	}

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	ret = ath10k_bmi_write_memory(ar, address, data,
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				      min_t(u32, board_data_size,
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					    data_len));
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	if (ret) {
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		ath10k_err(ar, "could not write board data (%d)\n", ret);
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		goto exit;
	}

	ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
	if (ret) {
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		ath10k_err(ar, "could not write board data bit (%d)\n", ret);
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		goto exit;
	}

exit:
	return ret;
}

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static int ath10k_download_cal_file(struct ath10k *ar)
{
	int ret;

	if (!ar->cal_file)
		return -ENOENT;

	if (IS_ERR(ar->cal_file))
		return PTR_ERR(ar->cal_file);

	ret = ath10k_download_board_data(ar, ar->cal_file->data,
					 ar->cal_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;
}

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static int ath10k_download_cal_dt(struct ath10k *ar)
{
	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, "qcom,ath10k-calibration-data",
			     &data_len)) {
		/* The calibration data node is optional */
		return -ENOENT;
	}

	if (data_len != QCA988X_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, "qcom,ath10k-calibration-data",
					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;
}

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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->otp_data || !ar->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->otp_len);

	ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->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;
}

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static int ath10k_download_and_run_otp(struct ath10k *ar)
{
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	u32 result, address = ar->hw_params.patch_load_addr;
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	u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param;
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	int ret;

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	ret = ath10k_download_board_data(ar, ar->board_data, ar->board_len);
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	if (ret) {
		ath10k_err(ar, "failed to download board data: %d\n", ret);
		return ret;
	}

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	/* OTP is optional */

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	if (!ar->otp_data || !ar->otp_len) {
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		ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %p otp_len %zd)!\n",
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			    ar->otp_data, ar->otp_len);
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		return 0;
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	}

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	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
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		   address, ar->otp_len);
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	ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len);
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	if (ret) {
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		ath10k_err(ar, "could not write otp (%d)\n", ret);
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		return ret;
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	}

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	ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result);
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	if (ret) {
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		ath10k_err(ar, "could not execute otp (%d)\n", ret);
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		return ret;
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	}

558
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
K
Kalle Valo 已提交
559

560
	if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
561 562
				   ar->fw_features)) &&
	    result != 0) {
563
		ath10k_err(ar, "otp calibration failed: %d", result);
K
Kalle Valo 已提交
564 565 566 567
		return -EINVAL;
	}

	return 0;
568 569
}

K
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570
static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode)
571
{
K
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572 573 574
	u32 address, data_len;
	const char *mode_name;
	const void *data;
575 576 577 578
	int ret;

	address = ar->hw_params.patch_load_addr;

K
Kalle Valo 已提交
579 580 581 582 583
	switch (mode) {
	case ATH10K_FIRMWARE_MODE_NORMAL:
		data = ar->firmware_data;
		data_len = ar->firmware_len;
		mode_name = "normal";
584
		ret = ath10k_swap_code_seg_configure(ar,
K
Kalle Valo 已提交
585
						     ATH10K_SWAP_CODE_SEG_BIN_TYPE_FW);
586 587 588 589 590
		if (ret) {
			ath10k_err(ar, "failed to configure fw code swap: %d\n",
				   ret);
			return ret;
		}
K
Kalle Valo 已提交
591 592
		break;
	case ATH10K_FIRMWARE_MODE_UTF:
A
Alan Liu 已提交
593 594
		data = ar->testmode.utf_firmware_data;
		data_len = ar->testmode.utf_firmware_len;
K
Kalle Valo 已提交
595 596 597 598 599 600 601 602 603 604 605 606
		mode_name = "utf";
		break;
	default:
		ath10k_err(ar, "unknown firmware mode: %d\n", mode);
		return -EINVAL;
	}

	ath10k_dbg(ar, ATH10K_DBG_BOOT,
		   "boot uploading firmware image %p len %d mode %s\n",
		   data, data_len, mode_name);

	ret = ath10k_bmi_fast_download(ar, address, data, data_len);
607
	if (ret) {
K
Kalle Valo 已提交
608 609 610
		ath10k_err(ar, "failed to download %s firmware: %d\n",
			   mode_name, ret);
		return ret;
611 612
	}

613 614 615
	return ret;
}

616
static void ath10k_core_free_board_files(struct ath10k *ar)
617
{
618
	if (!IS_ERR(ar->board))
619
		release_firmware(ar->board);
620

621 622 623 624 625 626 627
	ar->board = NULL;
	ar->board_data = NULL;
	ar->board_len = 0;
}

static void ath10k_core_free_firmware_files(struct ath10k *ar)
{
628
	if (!IS_ERR(ar->otp))
629 630
		release_firmware(ar->otp);

631
	if (!IS_ERR(ar->firmware))
632 633
		release_firmware(ar->firmware);

634
	if (!IS_ERR(ar->cal_file))
635 636
		release_firmware(ar->cal_file);

637 638
	ath10k_swap_code_seg_release(ar);

639
	ar->otp = NULL;
640 641 642
	ar->otp_data = NULL;
	ar->otp_len = 0;

643
	ar->firmware = NULL;
644 645
	ar->firmware_data = NULL;
	ar->firmware_len = 0;
646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666

	ar->cal_file = NULL;
}

static int ath10k_fetch_cal_file(struct ath10k *ar)
{
	char filename[100];

	/* 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);

	ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
		   ATH10K_FW_DIR, filename);

	return 0;
667 668
}

669
static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar)
670
{
671 672 673 674
	if (!ar->hw_params.fw.board) {
		ath10k_err(ar, "failed to find board file fw entry\n");
		return -EINVAL;
	}
675

676 677 678
	ar->board = ath10k_fetch_fw_file(ar,
					 ar->hw_params.fw.dir,
					 ar->hw_params.fw.board);
679 680 681 682 683
	if (IS_ERR(ar->board))
		return PTR_ERR(ar->board);

	ar->board_data = ar->board->data;
	ar->board_len = ar->board->size;
684

685 686 687
	return 0;
}

688 689 690
static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
					 const void *buf, size_t buf_len,
					 const char *boardname)
691
{
692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758
	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->board_data = board_ie_data;
			ar->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;
759 760
	}

761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777
	/* 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->board = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, filename);
778 779
	if (IS_ERR(ar->board))
		return PTR_ERR(ar->board);
780

781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851
	data = ar->board->data;
	len = ar->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)
				/* 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->board_data || !ar->board_len) {
		ath10k_err(ar,
			   "failed to fetch board data for %s from %s/%s\n",
852
			   boardname, ar->hw_params.fw.dir, filename);
853 854 855 856 857 858 859 860 861 862 863 864 865 866
		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)
{
867 868 869 870 871 872 873 874 875
	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;
	}

876 877 878 879 880 881
	scnprintf(name, name_len,
		  "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x",
		  ath10k_bus_str(ar->hif.bus),
		  ar->id.vendor, ar->id.device,
		  ar->id.subsystem_vendor, ar->id.subsystem_device);

882
out:
883
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
884 885 886 887 888 889

	return 0;
}

static int ath10k_core_fetch_board_file(struct ath10k *ar)
{
890
	char boardname[100];
891 892
	int ret;

893 894 895 896
	ret = ath10k_core_create_board_name(ar, boardname, sizeof(boardname));
	if (ret) {
		ath10k_err(ar, "failed to create board name: %d", ret);
		return ret;
897 898
	}

899 900 901 902 903 904 905 906
	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);
907
	if (ret) {
908
		ath10k_err(ar, "failed to fetch board data\n");
909 910
		return ret;
	}
911

912 913
success:
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
914 915 916 917 918 919 920 921 922 923 924 925
	return 0;
}

static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar)
{
	int ret = 0;

	if (ar->hw_params.fw.fw == NULL) {
		ath10k_err(ar, "firmware file not defined\n");
		return -EINVAL;
	}

926 927 928 929 930
	ar->firmware = ath10k_fetch_fw_file(ar,
					    ar->hw_params.fw.dir,
					    ar->hw_params.fw.fw);
	if (IS_ERR(ar->firmware)) {
		ret = PTR_ERR(ar->firmware);
931
		ath10k_err(ar, "could not fetch firmware (%d)\n", ret);
932 933 934
		goto err;
	}

935 936 937
	ar->firmware_data = ar->firmware->data;
	ar->firmware_len = ar->firmware->size;

938 939 940 941 942 943 944 945 946
	/* OTP may be undefined. If so, don't fetch it at all */
	if (ar->hw_params.fw.otp == NULL)
		return 0;

	ar->otp = ath10k_fetch_fw_file(ar,
				       ar->hw_params.fw.dir,
				       ar->hw_params.fw.otp);
	if (IS_ERR(ar->otp)) {
		ret = PTR_ERR(ar->otp);
947
		ath10k_err(ar, "could not fetch otp (%d)\n", ret);
948 949 950
		goto err;
	}

951 952 953
	ar->otp_data = ar->otp->data;
	ar->otp_len = ar->otp->size;

954 955 956 957
	return 0;

err:
	ath10k_core_free_firmware_files(ar);
958 959 960
	return ret;
}

961 962 963 964 965 966
static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name)
{
	size_t magic_len, len, ie_len;
	int ie_id, i, index, bit, ret;
	struct ath10k_fw_ie *hdr;
	const u8 *data;
967
	__le32 *timestamp, *version;
968 969 970 971

	/* first fetch the firmware file (firmware-*.bin) */
	ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, name);
	if (IS_ERR(ar->firmware)) {
972
		ath10k_err(ar, "could not fetch firmware file '%s/%s': %ld\n",
973
			   ar->hw_params.fw.dir, name, PTR_ERR(ar->firmware));
974 975 976 977 978 979 980 981 982 983
		return PTR_ERR(ar->firmware);
	}

	data = ar->firmware->data;
	len = ar->firmware->size;

	/* magic also includes the null byte, check that as well */
	magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;

	if (len < magic_len) {
984
		ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
985
			   ar->hw_params.fw.dir, name, len);
986 987
		ret = -EINVAL;
		goto err;
988 989 990
	}

	if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
991
		ath10k_err(ar, "invalid firmware magic\n");
992 993
		ret = -EINVAL;
		goto err;
994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012
	}

	/* 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) {
1013
			ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
1014
				   ie_id, len, ie_len);
1015 1016
			ret = -EINVAL;
			goto err;
1017 1018 1019 1020 1021 1022 1023 1024 1025 1026
		}

		switch (ie_id) {
		case ATH10K_FW_IE_FW_VERSION:
			if (ie_len > sizeof(ar->hw->wiphy->fw_version) - 1)
				break;

			memcpy(ar->hw->wiphy->fw_version, data, ie_len);
			ar->hw->wiphy->fw_version[ie_len] = '\0';

1027
			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1028 1029 1030 1031 1032 1033 1034 1035 1036
				   "found fw version %s\n",
				    ar->hw->wiphy->fw_version);
			break;
		case ATH10K_FW_IE_TIMESTAMP:
			if (ie_len != sizeof(u32))
				break;

			timestamp = (__le32 *)data;

1037
			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
1038 1039 1040
				   le32_to_cpup(timestamp));
			break;
		case ATH10K_FW_IE_FEATURES:
1041
			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1042 1043 1044 1045 1046 1047 1048 1049 1050 1051
				   "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;

1052
				if (data[index] & (1 << bit)) {
1053
					ath10k_dbg(ar, ATH10K_DBG_BOOT,
1054 1055
						   "Enabling feature bit: %i\n",
						   i);
1056
					__set_bit(i, ar->fw_features);
1057
				}
1058 1059
			}

1060
			ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
1061 1062 1063 1064
					ar->fw_features,
					sizeof(ar->fw_features));
			break;
		case ATH10K_FW_IE_FW_IMAGE:
1065
			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1066 1067 1068 1069 1070 1071 1072 1073
				   "found fw image ie (%zd B)\n",
				   ie_len);

			ar->firmware_data = data;
			ar->firmware_len = ie_len;

			break;
		case ATH10K_FW_IE_OTP_IMAGE:
1074
			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1075 1076 1077 1078 1079 1080 1081
				   "found otp image ie (%zd B)\n",
				   ie_len);

			ar->otp_data = data;
			ar->otp_len = ie_len;

			break;
1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092
		case ATH10K_FW_IE_WMI_OP_VERSION:
			if (ie_len != sizeof(u32))
				break;

			version = (__le32 *)data;

			ar->wmi.op_version = le32_to_cpup(version);

			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
				   ar->wmi.op_version);
			break;
1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103
		case ATH10K_FW_IE_HTT_OP_VERSION:
			if (ie_len != sizeof(u32))
				break;

			version = (__le32 *)data;

			ar->htt.op_version = le32_to_cpup(version);

			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
				   ar->htt.op_version);
			break;
1104 1105 1106 1107 1108 1109 1110
		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);
			ar->swap.firmware_codeswap_data = data;
			ar->swap.firmware_codeswap_len = ie_len;
			break;
1111
		default:
1112
			ath10k_warn(ar, "Unknown FW IE: %u\n",
1113 1114 1115 1116 1117 1118 1119 1120 1121
				    le32_to_cpu(hdr->id));
			break;
		}

		/* jump over the padding */
		ie_len = ALIGN(ie_len, 4);

		len -= ie_len;
		data += ie_len;
1122
	}
1123 1124

	if (!ar->firmware_data || !ar->firmware_len) {
1125
		ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
1126
			    ar->hw_params.fw.dir, name);
1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141
		ret = -ENOMEDIUM;
		goto err;
	}

	return 0;

err:
	ath10k_core_free_firmware_files(ar);
	return ret;
}

static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
{
	int ret;

1142 1143 1144
	/* calibration file is optional, don't check for any errors */
	ath10k_fetch_cal_file(ar);

K
Kalle Valo 已提交
1145 1146 1147 1148 1149 1150 1151
	ar->fw_api = 5;
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);

	ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API5_FILE);
	if (ret == 0)
		goto success;

1152 1153 1154 1155 1156 1157 1158
	ar->fw_api = 4;
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);

	ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API4_FILE);
	if (ret == 0)
		goto success;

1159
	ar->fw_api = 3;
1160
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1161 1162 1163 1164 1165

	ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API3_FILE);
	if (ret == 0)
		goto success;

1166
	ar->fw_api = 2;
1167
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1168

1169
	ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE);
1170 1171 1172 1173
	if (ret == 0)
		goto success;

	ar->fw_api = 1;
1174
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1175 1176 1177 1178 1179

	ret = ath10k_core_fetch_firmware_api_1(ar);
	if (ret)
		return ret;

1180
success:
1181
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
1182 1183 1184 1185

	return 0;
}

1186
static int ath10k_download_cal_data(struct ath10k *ar)
1187 1188 1189
{
	int ret;

1190 1191 1192 1193 1194 1195 1196
	ret = ath10k_download_cal_file(ar);
	if (ret == 0) {
		ar->cal_mode = ATH10K_CAL_MODE_FILE;
		goto done;
	}

	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207
		   "boot did not find a calibration file, try DT next: %d\n",
		   ret);

	ret = ath10k_download_cal_dt(ar);
	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 OTP next: %d\n",
1208 1209
		   ret);

1210
	ret = ath10k_download_and_run_otp(ar);
1211
	if (ret) {
1212
		ath10k_err(ar, "failed to run otp: %d\n", ret);
1213
		return ret;
1214
	}
1215

1216 1217 1218 1219 1220 1221
	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;
1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233
}

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) {
1234
		ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
1235 1236 1237
		return ret;
	}

1238
	if (!uart_print)
1239 1240
		return 0;

1241
	ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
1242
	if (ret) {
1243
		ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
1244 1245 1246 1247 1248
		return ret;
	}

	ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
	if (ret) {
1249
		ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
1250 1251 1252
		return ret;
	}

1253 1254 1255
	/* Set the UART baud rate to 19200. */
	ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
	if (ret) {
1256
		ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
1257 1258 1259
		return ret;
	}

1260
	ath10k_info(ar, "UART prints enabled\n");
1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276
	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)
			break;
	}

	if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
1277
		ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
1278 1279 1280 1281 1282 1283
			   ar->target_version);
		return -EINVAL;
	}

	ar->hw_params = *hw_params;

1284
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
1285
		   ar->hw_params.name, ar->target_version);
1286 1287 1288 1289

	return 0;
}

1290 1291 1292 1293
static void ath10k_core_restart(struct work_struct *work)
{
	struct ath10k *ar = container_of(work, struct ath10k, restart_work);

M
Michal Kazior 已提交
1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308
	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_all(&ar->scan.started);
	complete_all(&ar->scan.completed);
	complete_all(&ar->scan.on_channel);
	complete_all(&ar->offchan_tx_completed);
	complete_all(&ar->install_key_done);
	complete_all(&ar->vdev_setup_done);
1309
	complete_all(&ar->thermal.wmi_sync);
M
Michal Kazior 已提交
1310 1311 1312 1313
	wake_up(&ar->htt.empty_tx_wq);
	wake_up(&ar->wmi.tx_credits_wq);
	wake_up(&ar->peer_mapping_wq);

1314 1315 1316 1317 1318
	mutex_lock(&ar->conf_mutex);

	switch (ar->state) {
	case ATH10K_STATE_ON:
		ar->state = ATH10K_STATE_RESTARTING;
1319
		ath10k_hif_stop(ar);
1320
		ath10k_scan_finish(ar);
1321 1322 1323
		ieee80211_restart_hw(ar->hw);
		break;
	case ATH10K_STATE_OFF:
1324 1325
		/* this can happen if driver is being unloaded
		 * or if the crash happens during FW probing */
1326
		ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
1327 1328
		break;
	case ATH10K_STATE_RESTARTING:
1329 1330
		/* hw restart might be requested from multiple places */
		break;
1331 1332 1333 1334
	case ATH10K_STATE_RESTARTED:
		ar->state = ATH10K_STATE_WEDGED;
		/* fall through */
	case ATH10K_STATE_WEDGED:
1335
		ath10k_warn(ar, "device is wedged, will not restart\n");
1336
		break;
K
Kalle Valo 已提交
1337 1338 1339
	case ATH10K_STATE_UTF:
		ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
		break;
1340 1341 1342 1343 1344
	}

	mutex_unlock(&ar->conf_mutex);
}

1345
static int ath10k_core_init_firmware_features(struct ath10k *ar)
1346
{
1347 1348 1349 1350 1351 1352
	if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, ar->fw_features) &&
	    !test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
		ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
		return -EINVAL;
	}

1353 1354 1355 1356 1357 1358
	if (ar->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, ar->wmi.op_version);
		return -EINVAL;
	}

1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383
	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,
			      ar->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;

B
Bob Copeland 已提交
1384 1385 1386 1387 1388 1389 1390 1391 1392
	if (rawmode) {
		if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
			      ar->fw_features)) {
			ath10k_err(ar, "rawmode = 1 requires support from firmware");
			return -EINVAL;
		}
		set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
	}

1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407
	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;
	}

1408 1409 1410 1411 1412
	/* Backwards compatibility for firmwares without
	 * ATH10K_FW_IE_WMI_OP_VERSION.
	 */
	if (ar->wmi.op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) {
		if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
1413 1414
			if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
				     ar->fw_features))
1415 1416 1417 1418 1419 1420 1421 1422 1423 1424
				ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_10_2;
			else
				ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
		} else {
			ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_MAIN;
		}
	}

	switch (ar->wmi.op_version) {
	case ATH10K_FW_WMI_OP_VERSION_MAIN:
1425 1426
		ar->max_num_peers = TARGET_NUM_PEERS;
		ar->max_num_stations = TARGET_NUM_STATIONS;
1427
		ar->max_num_vdevs = TARGET_NUM_VDEVS;
1428
		ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
1429 1430
		ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
			WMI_STAT_PEER;
1431
		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1432 1433 1434
		break;
	case ATH10K_FW_WMI_OP_VERSION_10_1:
	case ATH10K_FW_WMI_OP_VERSION_10_2:
1435
	case ATH10K_FW_WMI_OP_VERSION_10_2_4:
1436 1437
		ar->max_num_peers = TARGET_10X_NUM_PEERS;
		ar->max_num_stations = TARGET_10X_NUM_STATIONS;
1438
		ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
1439
		ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
1440
		ar->fw_stats_req_mask = WMI_STAT_PEER;
1441
		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1442
		break;
M
Michal Kazior 已提交
1443 1444 1445
	case ATH10K_FW_WMI_OP_VERSION_TLV:
		ar->max_num_peers = TARGET_TLV_NUM_PEERS;
		ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
1446
		ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
1447
		ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;
M
Michal Kazior 已提交
1448
		ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
1449
		ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;
1450 1451
		ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
			WMI_STAT_PEER;
1452
		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
M
Michal Kazior 已提交
1453
		break;
1454
	case ATH10K_FW_WMI_OP_VERSION_10_4:
1455 1456 1457 1458 1459
		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;
1460
		ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC;
1461
		ar->fw_stats_req_mask = WMI_STAT_PEER;
1462
		ar->max_spatial_stream = WMI_10_4_MAX_SPATIAL_STREAM;
1463
		break;
1464 1465 1466 1467
	case ATH10K_FW_WMI_OP_VERSION_UNSET:
	case ATH10K_FW_WMI_OP_VERSION_MAX:
		WARN_ON(1);
		return -EINVAL;
1468
	}
1469

1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485
	/* Backwards compatibility for firmwares without
	 * ATH10K_FW_IE_HTT_OP_VERSION.
	 */
	if (ar->htt.op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) {
		switch (ar->wmi.op_version) {
		case ATH10K_FW_WMI_OP_VERSION_MAIN:
			ar->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:
			ar->htt.op_version = ATH10K_FW_HTT_OP_VERSION_10_1;
			break;
		case ATH10K_FW_WMI_OP_VERSION_TLV:
			ar->htt.op_version = ATH10K_FW_HTT_OP_VERSION_TLV;
			break;
1486
		case ATH10K_FW_WMI_OP_VERSION_10_4:
1487 1488 1489 1490 1491 1492 1493
		case ATH10K_FW_WMI_OP_VERSION_UNSET:
		case ATH10K_FW_WMI_OP_VERSION_MAX:
			WARN_ON(1);
			return -EINVAL;
		}
	}

1494
	return 0;
1495 1496
}

K
Kalle Valo 已提交
1497
int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
1498 1499 1500
{
	int status;

1501 1502
	lockdep_assert_held(&ar->conf_mutex);

M
Michal Kazior 已提交
1503 1504
	clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);

1505 1506
	ath10k_bmi_start(ar);

1507 1508 1509 1510 1511
	if (ath10k_init_configure_target(ar)) {
		status = -EINVAL;
		goto err;
	}

1512 1513 1514 1515
	status = ath10k_download_cal_data(ar);
	if (status)
		goto err;

1516
	/* Some of of qca988x solutions are having global reset issue
K
Kalle Valo 已提交
1517 1518 1519 1520
	 * 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.
1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531
	 */
	if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
		     ar->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;
		}
	}

1532
	status = ath10k_download_fw(ar, mode);
1533 1534 1535 1536 1537 1538 1539
	if (status)
		goto err;

	status = ath10k_init_uart(ar);
	if (status)
		goto err;

1540 1541
	ar->htc.htc_ops.target_send_suspend_complete =
		ath10k_send_suspend_complete;
1542

1543 1544
	status = ath10k_htc_init(ar);
	if (status) {
1545
		ath10k_err(ar, "could not init HTC (%d)\n", status);
1546 1547 1548 1549 1550
		goto err;
	}

	status = ath10k_bmi_done(ar);
	if (status)
1551
		goto err;
1552 1553 1554

	status = ath10k_wmi_attach(ar);
	if (status) {
1555
		ath10k_err(ar, "WMI attach failed: %d\n", status);
1556
		goto err;
1557 1558
	}

M
Michal Kazior 已提交
1559 1560
	status = ath10k_htt_init(ar);
	if (status) {
1561
		ath10k_err(ar, "failed to init htt: %d\n", status);
M
Michal Kazior 已提交
1562 1563 1564 1565 1566
		goto err_wmi_detach;
	}

	status = ath10k_htt_tx_alloc(&ar->htt);
	if (status) {
1567
		ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
M
Michal Kazior 已提交
1568 1569 1570 1571 1572
		goto err_wmi_detach;
	}

	status = ath10k_htt_rx_alloc(&ar->htt);
	if (status) {
1573
		ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
M
Michal Kazior 已提交
1574 1575 1576
		goto err_htt_tx_detach;
	}

M
Michal Kazior 已提交
1577 1578
	status = ath10k_hif_start(ar);
	if (status) {
1579
		ath10k_err(ar, "could not start HIF: %d\n", status);
M
Michal Kazior 已提交
1580
		goto err_htt_rx_detach;
M
Michal Kazior 已提交
1581 1582 1583 1584
	}

	status = ath10k_htc_wait_target(&ar->htc);
	if (status) {
1585
		ath10k_err(ar, "failed to connect to HTC: %d\n", status);
M
Michal Kazior 已提交
1586 1587
		goto err_hif_stop;
	}
1588

K
Kalle Valo 已提交
1589 1590 1591 1592 1593 1594
	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;
		}
1595 1596
	}

M
Michal Kazior 已提交
1597 1598
	status = ath10k_wmi_connect(ar);
	if (status) {
1599
		ath10k_err(ar, "could not connect wmi: %d\n", status);
M
Michal Kazior 已提交
1600 1601 1602 1603 1604
		goto err_hif_stop;
	}

	status = ath10k_htc_start(&ar->htc);
	if (status) {
1605
		ath10k_err(ar, "failed to start htc: %d\n", status);
M
Michal Kazior 已提交
1606 1607 1608
		goto err_hif_stop;
	}

K
Kalle Valo 已提交
1609 1610
	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
		status = ath10k_wmi_wait_for_service_ready(ar);
1611
		if (status) {
K
Kalle Valo 已提交
1612 1613 1614
			ath10k_warn(ar, "wmi service ready event not received");
			goto err_hif_stop;
		}
M
Michal Kazior 已提交
1615
	}
1616

1617
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
1618
		   ar->hw->wiphy->fw_version);
1619 1620 1621

	status = ath10k_wmi_cmd_init(ar);
	if (status) {
1622 1623
		ath10k_err(ar, "could not send WMI init command (%d)\n",
			   status);
M
Michal Kazior 已提交
1624
		goto err_hif_stop;
1625 1626 1627
	}

	status = ath10k_wmi_wait_for_unified_ready(ar);
1628
	if (status) {
1629
		ath10k_err(ar, "wmi unified ready event not received\n");
M
Michal Kazior 已提交
1630
		goto err_hif_stop;
1631 1632
	}

1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644
	/* 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_ring_refill(ar);
	if (status) {
		ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
		goto err_hif_stop;
	}

K
Kalle Valo 已提交
1645 1646 1647 1648 1649 1650 1651
	/* 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;
		}
M
Michal Kazior 已提交
1652
	}
1653

1654 1655
	status = ath10k_debug_start(ar);
	if (status)
M
Michal Kazior 已提交
1656
		goto err_hif_stop;
1657

1658
	ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
1659

M
Michal Kazior 已提交
1660
	INIT_LIST_HEAD(&ar->arvifs);
1661

1662 1663
	return 0;

M
Michal Kazior 已提交
1664 1665
err_hif_stop:
	ath10k_hif_stop(ar);
M
Michal Kazior 已提交
1666 1667 1668 1669
err_htt_rx_detach:
	ath10k_htt_rx_free(&ar->htt);
err_htt_tx_detach:
	ath10k_htt_tx_free(&ar->htt);
1670 1671 1672 1673 1674
err_wmi_detach:
	ath10k_wmi_detach(ar);
err:
	return status;
}
1675
EXPORT_SYMBOL(ath10k_core_start);
1676

1677 1678 1679
int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
{
	int ret;
1680
	unsigned long time_left;
1681 1682 1683 1684 1685

	reinit_completion(&ar->target_suspend);

	ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
	if (ret) {
1686
		ath10k_warn(ar, "could not suspend target (%d)\n", ret);
1687 1688 1689
		return ret;
	}

1690
	time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
1691

1692
	if (!time_left) {
1693
		ath10k_warn(ar, "suspend timed out - target pause event never came\n");
1694 1695 1696 1697 1698 1699
		return -ETIMEDOUT;
	}

	return 0;
}

1700 1701
void ath10k_core_stop(struct ath10k *ar)
{
1702
	lockdep_assert_held(&ar->conf_mutex);
1703
	ath10k_debug_stop(ar);
1704

1705
	/* try to suspend target */
K
Kalle Valo 已提交
1706 1707
	if (ar->state != ATH10K_STATE_RESTARTING &&
	    ar->state != ATH10K_STATE_UTF)
1708 1709
		ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);

M
Michal Kazior 已提交
1710 1711 1712
	ath10k_hif_stop(ar);
	ath10k_htt_tx_free(&ar->htt);
	ath10k_htt_rx_free(&ar->htt);
1713 1714
	ath10k_wmi_detach(ar);
}
1715 1716 1717 1718 1719 1720 1721 1722
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)
{
1723 1724
	struct bmi_target_info target_info;
	int ret = 0;
1725 1726 1727

	ret = ath10k_hif_power_up(ar);
	if (ret) {
1728
		ath10k_err(ar, "could not start pci hif (%d)\n", ret);
1729 1730 1731
		return ret;
	}

1732 1733 1734
	memset(&target_info, 0, sizeof(target_info));
	ret = ath10k_bmi_get_target_info(ar, &target_info);
	if (ret) {
1735
		ath10k_err(ar, "could not get target info (%d)\n", ret);
1736
		goto err_power_down;
1737 1738 1739 1740 1741 1742 1743
	}

	ar->target_version = target_info.version;
	ar->hw->wiphy->hw_version = target_info.version;

	ret = ath10k_init_hw_params(ar);
	if (ret) {
1744
		ath10k_err(ar, "could not get hw params (%d)\n", ret);
1745
		goto err_power_down;
1746 1747 1748 1749
	}

	ret = ath10k_core_fetch_firmware_files(ar);
	if (ret) {
1750
		ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
1751
		goto err_power_down;
1752 1753
	}

1754 1755
	ret = ath10k_core_get_board_id_from_otp(ar);
	if (ret && ret != -EOPNOTSUPP) {
1756
		ath10k_err(ar, "failed to get board id from otp: %d\n",
1757 1758 1759 1760 1761 1762 1763 1764 1765 1766
			   ret);
		return ret;
	}

	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;
	}

1767 1768 1769 1770 1771 1772
	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;
	}
1773

1774 1775 1776 1777 1778 1779 1780
	ret = ath10k_swap_code_seg_init(ar);
	if (ret) {
		ath10k_err(ar, "failed to initialize code swap segment: %d\n",
			   ret);
		goto err_free_firmware_files;
	}

1781 1782
	mutex_lock(&ar->conf_mutex);

K
Kalle Valo 已提交
1783
	ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
1784
	if (ret) {
1785
		ath10k_err(ar, "could not init core (%d)\n", ret);
1786
		goto err_unlock;
1787 1788
	}

M
Michal Kazior 已提交
1789
	ath10k_print_driver_info(ar);
1790
	ath10k_core_stop(ar);
1791 1792 1793

	mutex_unlock(&ar->conf_mutex);

1794 1795
	ath10k_hif_power_down(ar);
	return 0;
1796 1797 1798 1799

err_unlock:
	mutex_unlock(&ar->conf_mutex);

1800
err_free_firmware_files:
1801 1802 1803 1804 1805 1806
	ath10k_core_free_firmware_files(ar);

err_power_down:
	ath10k_hif_power_down(ar);

	return ret;
1807
}
1808

1809
static void ath10k_core_register_work(struct work_struct *work)
1810
{
1811
	struct ath10k *ar = container_of(work, struct ath10k, register_work);
1812 1813
	int status;

1814 1815
	status = ath10k_core_probe_fw(ar);
	if (status) {
1816
		ath10k_err(ar, "could not probe fw (%d)\n", status);
1817
		goto err;
1818
	}
1819

1820
	status = ath10k_mac_register(ar);
1821
	if (status) {
1822
		ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
1823
		goto err_release_fw;
1824
	}
1825

1826
	status = ath10k_debug_register(ar);
1827
	if (status) {
1828
		ath10k_err(ar, "unable to initialize debugfs\n");
1829 1830 1831
		goto err_unregister_mac;
	}

1832 1833
	status = ath10k_spectral_create(ar);
	if (status) {
1834
		ath10k_err(ar, "failed to initialize spectral\n");
1835 1836 1837
		goto err_debug_destroy;
	}

1838 1839 1840 1841 1842 1843 1844
	status = ath10k_thermal_register(ar);
	if (status) {
		ath10k_err(ar, "could not register thermal device: %d\n",
			   status);
		goto err_spectral_destroy;
	}

1845 1846
	set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
	return;
1847

1848 1849
err_spectral_destroy:
	ath10k_spectral_destroy(ar);
1850 1851
err_debug_destroy:
	ath10k_debug_destroy(ar);
1852 1853
err_unregister_mac:
	ath10k_mac_unregister(ar);
1854 1855
err_release_fw:
	ath10k_core_free_firmware_files(ar);
1856
err:
1857 1858 1859
	/* TODO: It's probably a good idea to release device from the driver
	 * but calling device_release_driver() here will cause a deadlock.
	 */
1860 1861 1862 1863 1864 1865 1866 1867 1868
	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;
1869 1870 1871 1872 1873
}
EXPORT_SYMBOL(ath10k_core_register);

void ath10k_core_unregister(struct ath10k *ar)
{
1874 1875 1876 1877 1878
	cancel_work_sync(&ar->register_work);

	if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
		return;

1879
	ath10k_thermal_unregister(ar);
1880 1881 1882 1883 1884 1885
	/* 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);

1886 1887 1888 1889
	/* 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);
1890

K
Kalle Valo 已提交
1891 1892
	ath10k_testmode_destroy(ar);

1893
	ath10k_core_free_firmware_files(ar);
1894
	ath10k_core_free_board_files(ar);
1895

1896
	ath10k_debug_unregister(ar);
1897 1898 1899
}
EXPORT_SYMBOL(ath10k_core_unregister);

M
Michal Kazior 已提交
1900
struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
K
Kalle Valo 已提交
1901
				  enum ath10k_bus bus,
M
Michal Kazior 已提交
1902
				  enum ath10k_hw_rev hw_rev,
1903 1904 1905
				  const struct ath10k_hif_ops *hif_ops)
{
	struct ath10k *ar;
1906
	int ret;
1907

M
Michal Kazior 已提交
1908
	ar = ath10k_mac_create(priv_size);
1909 1910 1911 1912 1913 1914
	if (!ar)
		return NULL;

	ar->ath_common.priv = ar;
	ar->ath_common.hw = ar->hw;
	ar->dev = dev;
M
Michal Kazior 已提交
1915
	ar->hw_rev = hw_rev;
1916
	ar->hif.ops = hif_ops;
K
Kalle Valo 已提交
1917
	ar->hif.bus = bus;
1918

M
Michal Kazior 已提交
1919 1920 1921
	switch (hw_rev) {
	case ATH10K_HW_QCA988X:
		ar->regs = &qca988x_regs;
1922
		ar->hw_values = &qca988x_values;
M
Michal Kazior 已提交
1923 1924
		break;
	case ATH10K_HW_QCA6174:
1925
	case ATH10K_HW_QCA9377:
M
Michal Kazior 已提交
1926
		ar->regs = &qca6174_regs;
1927
		ar->hw_values = &qca6174_values;
M
Michal Kazior 已提交
1928
		break;
1929 1930 1931 1932
	case ATH10K_HW_QCA99X0:
		ar->regs = &qca99x0_regs;
		ar->hw_values = &qca99x0_values;
		break;
M
Michal Kazior 已提交
1933 1934 1935 1936 1937 1938 1939
	default:
		ath10k_err(ar, "unsupported core hardware revision %d\n",
			   hw_rev);
		ret = -ENOTSUPP;
		goto err_free_mac;
	}

1940 1941 1942 1943
	init_completion(&ar->scan.started);
	init_completion(&ar->scan.completed);
	init_completion(&ar->scan.on_channel);
	init_completion(&ar->target_suspend);
1944
	init_completion(&ar->wow.wakeup_completed);
1945 1946 1947

	init_completion(&ar->install_key_done);
	init_completion(&ar->vdev_setup_done);
1948
	init_completion(&ar->thermal.wmi_sync);
1949

1950
	INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
1951 1952 1953

	ar->workqueue = create_singlethread_workqueue("ath10k_wq");
	if (!ar->workqueue)
1954
		goto err_free_mac;
1955

1956 1957 1958 1959
	ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq");
	if (!ar->workqueue_aux)
		goto err_free_wq;

1960 1961 1962 1963 1964
	mutex_init(&ar->conf_mutex);
	spin_lock_init(&ar->data_lock);

	INIT_LIST_HEAD(&ar->peers);
	init_waitqueue_head(&ar->peer_mapping_wq);
M
Michal Kazior 已提交
1965 1966
	init_waitqueue_head(&ar->htt.empty_tx_wq);
	init_waitqueue_head(&ar->wmi.tx_credits_wq);
1967 1968 1969 1970 1971 1972 1973 1974

	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);

1975
	INIT_WORK(&ar->register_work, ath10k_core_register_work);
1976 1977
	INIT_WORK(&ar->restart_work, ath10k_core_restart);

1978 1979
	ret = ath10k_debug_create(ar);
	if (ret)
1980
		goto err_free_aux_wq;
1981

1982 1983
	return ar;

1984 1985
err_free_aux_wq:
	destroy_workqueue(ar->workqueue_aux);
1986 1987 1988 1989
err_free_wq:
	destroy_workqueue(ar->workqueue);

err_free_mac:
1990
	ath10k_mac_destroy(ar);
1991

1992 1993 1994 1995 1996 1997 1998 1999 2000
	return NULL;
}
EXPORT_SYMBOL(ath10k_core_create);

void ath10k_core_destroy(struct ath10k *ar)
{
	flush_workqueue(ar->workqueue);
	destroy_workqueue(ar->workqueue);

2001 2002 2003
	flush_workqueue(ar->workqueue_aux);
	destroy_workqueue(ar->workqueue_aux);

2004
	ath10k_debug_destroy(ar);
2005
	ath10k_wmi_free_host_mem(ar);
2006 2007 2008 2009
	ath10k_mac_destroy(ar);
}
EXPORT_SYMBOL(ath10k_core_destroy);

2010 2011 2012
MODULE_AUTHOR("Qualcomm Atheros");
MODULE_DESCRIPTION("Core module for QCA988X PCIe devices.");
MODULE_LICENSE("Dual BSD/GPL");