core.c 51.8 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,
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		.dev_id = QCA988X_2_0_DEVICE_ID,
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		.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,
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		.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,
		.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_2_1_VERSION,
		.dev_id = QCA6174_2_1_DEVICE_ID,
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		.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,
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		.dev_id = QCA6174_2_1_DEVICE_ID,
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		.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,
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		.dev_id = QCA6174_2_1_DEVICE_ID,
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		.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,
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		.dev_id = QCA99X0_2_0_DEVICE_ID,
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		.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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		.num_msdu_desc = 1424,
		.qcache_active_peers = 50,
		.tx_chain_mask = 0xf,
		.rx_chain_mask = 0xf,
		.max_spatial_stream = 4,
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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,
		.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,
		.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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		.id = QCA9377_HW_1_1_DEV_VERSION,
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		.dev_id = QCA9377_1_0_DEVICE_ID,
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		.name = "qca9377 hw1.1",
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		.patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
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		.uart_pin = 6,
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		.otp_exe_param = 0,
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		.channel_counters_freq_hz = 88000,
		.max_probe_resp_desc_thres = 0,
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		.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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	{
		.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,
		.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,
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		.num_msdu_desc = 2500,
		.qcache_active_peers = 35,
		.tx_chain_mask = 0x3,
		.rx_chain_mask = 0x3,
		.max_spatial_stream = 2,
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		.fw = {
			.dir = QCA4019_HW_1_0_FW_DIR,
			.fw = QCA4019_HW_1_0_FW_FILE,
			.otp = QCA4019_HW_1_0_OTP_FILE,
			.board = QCA4019_HW_1_0_BOARD_DATA_FILE,
			.board_size = QCA4019_BOARD_DATA_SZ,
			.board_ext_size = QCA4019_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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	[ATH10K_FW_FEATURE_PEER_FLOW_CONTROL] = "peer-flow-ctrl",
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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;
}

548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597
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;
}

598 599
static int ath10k_download_and_run_otp(struct ath10k *ar)
{
600
	u32 result, address = ar->hw_params.patch_load_addr;
601
	u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param;
602 603
	int ret;

604
	ret = ath10k_download_board_data(ar, ar->board_data, ar->board_len);
605 606 607 608 609
	if (ret) {
		ath10k_err(ar, "failed to download board data: %d\n", ret);
		return ret;
	}

610 611
	/* OTP is optional */

K
Kalle Valo 已提交
612
	if (!ar->otp_data || !ar->otp_len) {
613
		ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %p otp_len %zd)!\n",
614
			    ar->otp_data, ar->otp_len);
615
		return 0;
K
Kalle Valo 已提交
616 617
	}

618
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
K
Kalle Valo 已提交
619
		   address, ar->otp_len);
620

621
	ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len);
622
	if (ret) {
623
		ath10k_err(ar, "could not write otp (%d)\n", ret);
K
Kalle Valo 已提交
624
		return ret;
625 626
	}

627
	ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result);
628
	if (ret) {
629
		ath10k_err(ar, "could not execute otp (%d)\n", ret);
K
Kalle Valo 已提交
630
		return ret;
631 632
	}

633
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
K
Kalle Valo 已提交
634

635
	if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
636 637
				   ar->fw_features)) &&
	    result != 0) {
638
		ath10k_err(ar, "otp calibration failed: %d", result);
K
Kalle Valo 已提交
639 640 641 642
		return -EINVAL;
	}

	return 0;
643 644
}

K
Kalle Valo 已提交
645
static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode)
646
{
K
Kalle Valo 已提交
647 648 649
	u32 address, data_len;
	const char *mode_name;
	const void *data;
650 651 652 653
	int ret;

	address = ar->hw_params.patch_load_addr;

K
Kalle Valo 已提交
654 655 656 657 658
	switch (mode) {
	case ATH10K_FIRMWARE_MODE_NORMAL:
		data = ar->firmware_data;
		data_len = ar->firmware_len;
		mode_name = "normal";
659
		ret = ath10k_swap_code_seg_configure(ar,
K
Kalle Valo 已提交
660
						     ATH10K_SWAP_CODE_SEG_BIN_TYPE_FW);
661 662 663 664 665
		if (ret) {
			ath10k_err(ar, "failed to configure fw code swap: %d\n",
				   ret);
			return ret;
		}
K
Kalle Valo 已提交
666 667
		break;
	case ATH10K_FIRMWARE_MODE_UTF:
A
Alan Liu 已提交
668 669
		data = ar->testmode.utf_firmware_data;
		data_len = ar->testmode.utf_firmware_len;
K
Kalle Valo 已提交
670 671 672 673 674 675 676 677 678 679 680 681
		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);
682
	if (ret) {
K
Kalle Valo 已提交
683 684 685
		ath10k_err(ar, "failed to download %s firmware: %d\n",
			   mode_name, ret);
		return ret;
686 687
	}

688 689 690
	return ret;
}

691
static void ath10k_core_free_board_files(struct ath10k *ar)
692
{
693
	if (!IS_ERR(ar->board))
694
		release_firmware(ar->board);
695

696 697 698 699 700 701 702
	ar->board = NULL;
	ar->board_data = NULL;
	ar->board_len = 0;
}

static void ath10k_core_free_firmware_files(struct ath10k *ar)
{
703
	if (!IS_ERR(ar->otp))
704 705
		release_firmware(ar->otp);

706
	if (!IS_ERR(ar->firmware))
707 708
		release_firmware(ar->firmware);

709
	if (!IS_ERR(ar->cal_file))
710 711
		release_firmware(ar->cal_file);

712 713
	ath10k_swap_code_seg_release(ar);

714
	ar->otp = NULL;
715 716 717
	ar->otp_data = NULL;
	ar->otp_len = 0;

718
	ar->firmware = NULL;
719 720
	ar->firmware_data = NULL;
	ar->firmware_len = 0;
721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741

	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;
742 743
}

744
static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar)
745
{
746 747 748 749
	if (!ar->hw_params.fw.board) {
		ath10k_err(ar, "failed to find board file fw entry\n");
		return -EINVAL;
	}
750

751 752 753
	ar->board = ath10k_fetch_fw_file(ar,
					 ar->hw_params.fw.dir,
					 ar->hw_params.fw.board);
754 755 756 757 758
	if (IS_ERR(ar->board))
		return PTR_ERR(ar->board);

	ar->board_data = ar->board->data;
	ar->board_len = ar->board->size;
759

760 761 762
	return 0;
}

763 764 765
static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
					 const void *buf, size_t buf_len,
					 const char *boardname)
766
{
767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833
	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;
834 835
	}

836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852
	/* 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);
853 854
	if (IS_ERR(ar->board))
		return PTR_ERR(ar->board);
855

856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926
	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",
927
			   boardname, ar->hw_params.fw.dir, filename);
928 929 930 931 932 933 934 935 936 937 938 939 940 941
		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)
{
942 943 944 945 946 947 948 949 950
	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;
	}

951 952 953 954 955 956
	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);

957
out:
958
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
959 960 961 962 963 964

	return 0;
}

static int ath10k_core_fetch_board_file(struct ath10k *ar)
{
965
	char boardname[100];
966 967
	int ret;

968 969 970 971
	ret = ath10k_core_create_board_name(ar, boardname, sizeof(boardname));
	if (ret) {
		ath10k_err(ar, "failed to create board name: %d", ret);
		return ret;
972 973
	}

974 975 976 977 978 979 980 981
	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);
982
	if (ret) {
983
		ath10k_err(ar, "failed to fetch board data\n");
984 985
		return ret;
	}
986

987 988
success:
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
989 990 991 992 993 994 995 996 997 998 999 1000
	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;
	}

1001 1002 1003 1004 1005
	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);
1006
		ath10k_err(ar, "could not fetch firmware (%d)\n", ret);
1007 1008 1009
		goto err;
	}

1010 1011 1012
	ar->firmware_data = ar->firmware->data;
	ar->firmware_len = ar->firmware->size;

1013 1014 1015 1016 1017 1018 1019 1020 1021
	/* 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);
1022
		ath10k_err(ar, "could not fetch otp (%d)\n", ret);
1023 1024 1025
		goto err;
	}

1026 1027 1028
	ar->otp_data = ar->otp->data;
	ar->otp_len = ar->otp->size;

1029 1030 1031 1032
	return 0;

err:
	ath10k_core_free_firmware_files(ar);
1033 1034 1035
	return ret;
}

1036 1037 1038 1039 1040 1041
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;
1042
	__le32 *timestamp, *version;
1043 1044 1045 1046

	/* 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)) {
1047
		ath10k_err(ar, "could not fetch firmware file '%s/%s': %ld\n",
1048
			   ar->hw_params.fw.dir, name, PTR_ERR(ar->firmware));
1049 1050 1051 1052 1053 1054 1055 1056 1057 1058
		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) {
1059
		ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
1060
			   ar->hw_params.fw.dir, name, len);
1061 1062
		ret = -EINVAL;
		goto err;
1063 1064 1065
	}

	if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
1066
		ath10k_err(ar, "invalid firmware magic\n");
1067 1068
		ret = -EINVAL;
		goto err;
1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087
	}

	/* 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) {
1088
			ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
1089
				   ie_id, len, ie_len);
1090 1091
			ret = -EINVAL;
			goto err;
1092 1093 1094 1095 1096 1097 1098 1099 1100 1101
		}

		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';

1102
			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1103 1104 1105 1106 1107 1108 1109 1110 1111
				   "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;

1112
			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
1113 1114 1115
				   le32_to_cpup(timestamp));
			break;
		case ATH10K_FW_IE_FEATURES:
1116
			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1117 1118 1119 1120 1121 1122 1123 1124 1125 1126
				   "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;

1127
				if (data[index] & (1 << bit)) {
1128
					ath10k_dbg(ar, ATH10K_DBG_BOOT,
1129 1130
						   "Enabling feature bit: %i\n",
						   i);
1131
					__set_bit(i, ar->fw_features);
1132
				}
1133 1134
			}

1135
			ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
1136 1137 1138 1139
					ar->fw_features,
					sizeof(ar->fw_features));
			break;
		case ATH10K_FW_IE_FW_IMAGE:
1140
			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1141 1142 1143 1144 1145 1146 1147 1148
				   "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:
1149
			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1150 1151 1152 1153 1154 1155 1156
				   "found otp image ie (%zd B)\n",
				   ie_len);

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

			break;
1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167
		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;
1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178
		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;
1179 1180 1181 1182 1183 1184 1185
		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;
1186
		default:
1187
			ath10k_warn(ar, "Unknown FW IE: %u\n",
1188 1189 1190 1191 1192 1193 1194 1195 1196
				    le32_to_cpu(hdr->id));
			break;
		}

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

		len -= ie_len;
		data += ie_len;
1197
	}
1198 1199

	if (!ar->firmware_data || !ar->firmware_len) {
1200
		ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
1201
			    ar->hw_params.fw.dir, name);
1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216
		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;

1217 1218 1219
	/* calibration file is optional, don't check for any errors */
	ath10k_fetch_cal_file(ar);

K
Kalle Valo 已提交
1220 1221 1222 1223 1224 1225 1226
	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;

1227 1228 1229 1230 1231 1232 1233
	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;

1234
	ar->fw_api = 3;
1235
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1236 1237 1238 1239 1240

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

1241
	ar->fw_api = 2;
1242
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1243

1244
	ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE);
1245 1246 1247 1248
	if (ret == 0)
		goto success;

	ar->fw_api = 1;
1249
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1250 1251 1252 1253 1254

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

1255
success:
1256
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
1257 1258 1259 1260

	return 0;
}

1261
static int ath10k_download_cal_data(struct ath10k *ar)
1262 1263 1264
{
	int ret;

1265 1266 1267 1268 1269 1270 1271
	ret = ath10k_download_cal_file(ar);
	if (ret == 0) {
		ar->cal_mode = ATH10K_CAL_MODE_FILE;
		goto done;
	}

	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282
		   "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",
1283 1284
		   ret);

1285
	ret = ath10k_download_and_run_otp(ar);
1286
	if (ret) {
1287
		ath10k_err(ar, "failed to run otp: %d\n", ret);
1288
		return ret;
1289
	}
1290

1291 1292 1293 1294 1295 1296
	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;
1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308
}

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) {
1309
		ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
1310 1311 1312
		return ret;
	}

1313
	if (!uart_print)
1314 1315
		return 0;

1316
	ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
1317
	if (ret) {
1318
		ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
1319 1320 1321 1322 1323
		return ret;
	}

	ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
	if (ret) {
1324
		ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
1325 1326 1327
		return ret;
	}

1328 1329 1330
	/* Set the UART baud rate to 19200. */
	ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
	if (ret) {
1331
		ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
1332 1333 1334
		return ret;
	}

1335
	ath10k_info(ar, "UART prints enabled\n");
1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346
	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];

1347 1348
		if (hw_params->id == ar->target_version &&
		    hw_params->dev_id == ar->dev_id)
1349 1350 1351 1352
			break;
	}

	if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
1353
		ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
1354 1355 1356 1357 1358 1359
			   ar->target_version);
		return -EINVAL;
	}

	ar->hw_params = *hw_params;

1360
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
1361
		   ar->hw_params.name, ar->target_version);
1362 1363 1364 1365

	return 0;
}

1366 1367 1368 1369
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
1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384
	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);
1385
	complete_all(&ar->thermal.wmi_sync);
M
Michal Kazior 已提交
1386 1387 1388 1389
	wake_up(&ar->htt.empty_tx_wq);
	wake_up(&ar->wmi.tx_credits_wq);
	wake_up(&ar->peer_mapping_wq);

1390 1391 1392 1393 1394
	mutex_lock(&ar->conf_mutex);

	switch (ar->state) {
	case ATH10K_STATE_ON:
		ar->state = ATH10K_STATE_RESTARTING;
1395
		ath10k_hif_stop(ar);
1396
		ath10k_scan_finish(ar);
1397 1398 1399
		ieee80211_restart_hw(ar->hw);
		break;
	case ATH10K_STATE_OFF:
1400 1401
		/* this can happen if driver is being unloaded
		 * or if the crash happens during FW probing */
1402
		ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
1403 1404
		break;
	case ATH10K_STATE_RESTARTING:
1405 1406
		/* hw restart might be requested from multiple places */
		break;
1407 1408 1409 1410
	case ATH10K_STATE_RESTARTED:
		ar->state = ATH10K_STATE_WEDGED;
		/* fall through */
	case ATH10K_STATE_WEDGED:
1411
		ath10k_warn(ar, "device is wedged, will not restart\n");
1412
		break;
K
Kalle Valo 已提交
1413 1414 1415
	case ATH10K_STATE_UTF:
		ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
		break;
1416 1417 1418 1419 1420
	}

	mutex_unlock(&ar->conf_mutex);
}

1421
static int ath10k_core_init_firmware_features(struct ath10k *ar)
1422
{
1423 1424 1425 1426 1427 1428
	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;
	}

1429 1430 1431 1432 1433 1434
	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;
	}

1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459
	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
1460 1461 1462 1463 1464 1465 1466 1467 1468
	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);
	}

1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483
	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;
	}

1484 1485 1486 1487 1488
	/* 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)) {
1489 1490
			if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
				     ar->fw_features))
1491 1492 1493 1494 1495 1496 1497 1498 1499 1500
				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:
1501 1502
		ar->max_num_peers = TARGET_NUM_PEERS;
		ar->max_num_stations = TARGET_NUM_STATIONS;
1503
		ar->max_num_vdevs = TARGET_NUM_VDEVS;
1504
		ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
1505 1506
		ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
			WMI_STAT_PEER;
1507
		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1508 1509 1510
		break;
	case ATH10K_FW_WMI_OP_VERSION_10_1:
	case ATH10K_FW_WMI_OP_VERSION_10_2:
1511
	case ATH10K_FW_WMI_OP_VERSION_10_2_4:
1512 1513 1514 1515 1516 1517 1518
		if (test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map)) {
			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;
		}
1519
		ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
1520
		ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
1521
		ar->fw_stats_req_mask = WMI_STAT_PEER;
1522
		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1523
		break;
M
Michal Kazior 已提交
1524 1525 1526
	case ATH10K_FW_WMI_OP_VERSION_TLV:
		ar->max_num_peers = TARGET_TLV_NUM_PEERS;
		ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
1527
		ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
1528
		ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;
M
Michal Kazior 已提交
1529
		ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
1530
		ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;
1531 1532
		ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
			WMI_STAT_PEER;
1533
		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
M
Michal Kazior 已提交
1534
		break;
1535
	case ATH10K_FW_WMI_OP_VERSION_10_4:
1536 1537 1538 1539 1540
		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;
1541
		ar->htt.max_num_pending_tx = ar->hw_params.num_msdu_desc;
1542
		ar->fw_stats_req_mask = WMI_STAT_PEER;
1543
		ar->max_spatial_stream = ar->hw_params.max_spatial_stream;
1544
		break;
1545 1546 1547 1548
	case ATH10K_FW_WMI_OP_VERSION_UNSET:
	case ATH10K_FW_WMI_OP_VERSION_MAX:
		WARN_ON(1);
		return -EINVAL;
1549
	}
1550

1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566
	/* 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;
1567
		case ATH10K_FW_WMI_OP_VERSION_10_4:
1568 1569 1570 1571 1572 1573 1574
		case ATH10K_FW_WMI_OP_VERSION_UNSET:
		case ATH10K_FW_WMI_OP_VERSION_MAX:
			WARN_ON(1);
			return -EINVAL;
		}
	}

1575
	return 0;
1576 1577
}

K
Kalle Valo 已提交
1578
int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
1579 1580 1581
{
	int status;

1582 1583
	lockdep_assert_held(&ar->conf_mutex);

M
Michal Kazior 已提交
1584 1585
	clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);

1586 1587
	ath10k_bmi_start(ar);

1588 1589 1590 1591 1592
	if (ath10k_init_configure_target(ar)) {
		status = -EINVAL;
		goto err;
	}

1593 1594 1595 1596
	status = ath10k_download_cal_data(ar);
	if (status)
		goto err;

1597
	/* Some of of qca988x solutions are having global reset issue
K
Kalle Valo 已提交
1598 1599 1600 1601
	 * 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.
1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612
	 */
	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;
		}
	}

1613
	status = ath10k_download_fw(ar, mode);
1614 1615 1616 1617 1618 1619 1620
	if (status)
		goto err;

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

1621 1622
	ar->htc.htc_ops.target_send_suspend_complete =
		ath10k_send_suspend_complete;
1623

1624 1625
	status = ath10k_htc_init(ar);
	if (status) {
1626
		ath10k_err(ar, "could not init HTC (%d)\n", status);
1627 1628 1629 1630 1631
		goto err;
	}

	status = ath10k_bmi_done(ar);
	if (status)
1632
		goto err;
1633 1634 1635

	status = ath10k_wmi_attach(ar);
	if (status) {
1636
		ath10k_err(ar, "WMI attach failed: %d\n", status);
1637
		goto err;
1638 1639
	}

M
Michal Kazior 已提交
1640 1641
	status = ath10k_htt_init(ar);
	if (status) {
1642
		ath10k_err(ar, "failed to init htt: %d\n", status);
M
Michal Kazior 已提交
1643 1644 1645 1646 1647
		goto err_wmi_detach;
	}

	status = ath10k_htt_tx_alloc(&ar->htt);
	if (status) {
1648
		ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
M
Michal Kazior 已提交
1649 1650 1651 1652 1653
		goto err_wmi_detach;
	}

	status = ath10k_htt_rx_alloc(&ar->htt);
	if (status) {
1654
		ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
M
Michal Kazior 已提交
1655 1656 1657
		goto err_htt_tx_detach;
	}

M
Michal Kazior 已提交
1658 1659
	status = ath10k_hif_start(ar);
	if (status) {
1660
		ath10k_err(ar, "could not start HIF: %d\n", status);
M
Michal Kazior 已提交
1661
		goto err_htt_rx_detach;
M
Michal Kazior 已提交
1662 1663 1664 1665
	}

	status = ath10k_htc_wait_target(&ar->htc);
	if (status) {
1666
		ath10k_err(ar, "failed to connect to HTC: %d\n", status);
M
Michal Kazior 已提交
1667 1668
		goto err_hif_stop;
	}
1669

K
Kalle Valo 已提交
1670 1671 1672 1673 1674 1675
	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;
		}
1676 1677
	}

M
Michal Kazior 已提交
1678 1679
	status = ath10k_wmi_connect(ar);
	if (status) {
1680
		ath10k_err(ar, "could not connect wmi: %d\n", status);
M
Michal Kazior 已提交
1681 1682 1683 1684 1685
		goto err_hif_stop;
	}

	status = ath10k_htc_start(&ar->htc);
	if (status) {
1686
		ath10k_err(ar, "failed to start htc: %d\n", status);
M
Michal Kazior 已提交
1687 1688 1689
		goto err_hif_stop;
	}

K
Kalle Valo 已提交
1690 1691
	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
		status = ath10k_wmi_wait_for_service_ready(ar);
1692
		if (status) {
K
Kalle Valo 已提交
1693 1694 1695
			ath10k_warn(ar, "wmi service ready event not received");
			goto err_hif_stop;
		}
M
Michal Kazior 已提交
1696
	}
1697

1698
	ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
1699
		   ar->hw->wiphy->fw_version);
1700 1701 1702

	status = ath10k_wmi_cmd_init(ar);
	if (status) {
1703 1704
		ath10k_err(ar, "could not send WMI init command (%d)\n",
			   status);
M
Michal Kazior 已提交
1705
		goto err_hif_stop;
1706 1707 1708
	}

	status = ath10k_wmi_wait_for_unified_ready(ar);
1709
	if (status) {
1710
		ath10k_err(ar, "wmi unified ready event not received\n");
M
Michal Kazior 已提交
1711
		goto err_hif_stop;
1712 1713
	}

1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725
	/* 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
1726 1727 1728 1729 1730 1731 1732
	/* 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
1733
	}
1734

1735 1736
	status = ath10k_debug_start(ar);
	if (status)
M
Michal Kazior 已提交
1737
		goto err_hif_stop;
1738

1739
	ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
1740

M
Michal Kazior 已提交
1741
	INIT_LIST_HEAD(&ar->arvifs);
1742

1743 1744
	return 0;

M
Michal Kazior 已提交
1745 1746
err_hif_stop:
	ath10k_hif_stop(ar);
M
Michal Kazior 已提交
1747 1748 1749 1750
err_htt_rx_detach:
	ath10k_htt_rx_free(&ar->htt);
err_htt_tx_detach:
	ath10k_htt_tx_free(&ar->htt);
1751 1752 1753 1754 1755
err_wmi_detach:
	ath10k_wmi_detach(ar);
err:
	return status;
}
1756
EXPORT_SYMBOL(ath10k_core_start);
1757

1758 1759 1760
int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
{
	int ret;
1761
	unsigned long time_left;
1762 1763 1764 1765 1766

	reinit_completion(&ar->target_suspend);

	ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
	if (ret) {
1767
		ath10k_warn(ar, "could not suspend target (%d)\n", ret);
1768 1769 1770
		return ret;
	}

1771
	time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
1772

1773
	if (!time_left) {
1774
		ath10k_warn(ar, "suspend timed out - target pause event never came\n");
1775 1776 1777 1778 1779 1780
		return -ETIMEDOUT;
	}

	return 0;
}

1781 1782
void ath10k_core_stop(struct ath10k *ar)
{
1783
	lockdep_assert_held(&ar->conf_mutex);
1784
	ath10k_debug_stop(ar);
1785

1786
	/* try to suspend target */
K
Kalle Valo 已提交
1787 1788
	if (ar->state != ATH10K_STATE_RESTARTING &&
	    ar->state != ATH10K_STATE_UTF)
1789 1790
		ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);

M
Michal Kazior 已提交
1791 1792 1793
	ath10k_hif_stop(ar);
	ath10k_htt_tx_free(&ar->htt);
	ath10k_htt_rx_free(&ar->htt);
1794 1795
	ath10k_wmi_detach(ar);
}
1796 1797 1798 1799 1800 1801 1802 1803
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)
{
1804 1805
	struct bmi_target_info target_info;
	int ret = 0;
1806 1807 1808

	ret = ath10k_hif_power_up(ar);
	if (ret) {
1809
		ath10k_err(ar, "could not start pci hif (%d)\n", ret);
1810 1811 1812
		return ret;
	}

1813 1814 1815
	memset(&target_info, 0, sizeof(target_info));
	ret = ath10k_bmi_get_target_info(ar, &target_info);
	if (ret) {
1816
		ath10k_err(ar, "could not get target info (%d)\n", ret);
1817
		goto err_power_down;
1818 1819 1820 1821 1822 1823 1824
	}

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

	ret = ath10k_init_hw_params(ar);
	if (ret) {
1825
		ath10k_err(ar, "could not get hw params (%d)\n", ret);
1826
		goto err_power_down;
1827 1828 1829 1830
	}

	ret = ath10k_core_fetch_firmware_files(ar);
	if (ret) {
1831
		ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
1832
		goto err_power_down;
1833 1834
	}

1835 1836
	ath10k_debug_print_hwfw_info(ar);

1837 1838
	ret = ath10k_core_get_board_id_from_otp(ar);
	if (ret && ret != -EOPNOTSUPP) {
1839
		ath10k_err(ar, "failed to get board id from otp: %d\n",
1840 1841 1842 1843 1844 1845 1846 1847 1848 1849
			   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;
	}

1850 1851
	ath10k_debug_print_board_info(ar);

1852 1853 1854 1855 1856 1857
	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;
	}
1858

1859 1860 1861 1862 1863 1864 1865
	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;
	}

1866 1867
	mutex_lock(&ar->conf_mutex);

K
Kalle Valo 已提交
1868
	ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
1869
	if (ret) {
1870
		ath10k_err(ar, "could not init core (%d)\n", ret);
1871
		goto err_unlock;
1872 1873
	}

1874
	ath10k_debug_print_boot_info(ar);
1875
	ath10k_core_stop(ar);
1876 1877 1878

	mutex_unlock(&ar->conf_mutex);

1879 1880
	ath10k_hif_power_down(ar);
	return 0;
1881 1882 1883 1884

err_unlock:
	mutex_unlock(&ar->conf_mutex);

1885
err_free_firmware_files:
1886 1887 1888 1889 1890 1891
	ath10k_core_free_firmware_files(ar);

err_power_down:
	ath10k_hif_power_down(ar);

	return ret;
1892
}
1893

1894
static void ath10k_core_register_work(struct work_struct *work)
1895
{
1896
	struct ath10k *ar = container_of(work, struct ath10k, register_work);
1897 1898
	int status;

1899 1900
	status = ath10k_core_probe_fw(ar);
	if (status) {
1901
		ath10k_err(ar, "could not probe fw (%d)\n", status);
1902
		goto err;
1903
	}
1904

1905
	status = ath10k_mac_register(ar);
1906
	if (status) {
1907
		ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
1908
		goto err_release_fw;
1909
	}
1910

1911
	status = ath10k_debug_register(ar);
1912
	if (status) {
1913
		ath10k_err(ar, "unable to initialize debugfs\n");
1914 1915 1916
		goto err_unregister_mac;
	}

1917 1918
	status = ath10k_spectral_create(ar);
	if (status) {
1919
		ath10k_err(ar, "failed to initialize spectral\n");
1920 1921 1922
		goto err_debug_destroy;
	}

1923 1924 1925 1926 1927 1928 1929
	status = ath10k_thermal_register(ar);
	if (status) {
		ath10k_err(ar, "could not register thermal device: %d\n",
			   status);
		goto err_spectral_destroy;
	}

1930 1931
	set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
	return;
1932

1933 1934
err_spectral_destroy:
	ath10k_spectral_destroy(ar);
1935 1936
err_debug_destroy:
	ath10k_debug_destroy(ar);
1937 1938
err_unregister_mac:
	ath10k_mac_unregister(ar);
1939 1940
err_release_fw:
	ath10k_core_free_firmware_files(ar);
1941
err:
1942 1943 1944
	/* TODO: It's probably a good idea to release device from the driver
	 * but calling device_release_driver() here will cause a deadlock.
	 */
1945 1946 1947 1948 1949 1950 1951 1952 1953
	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;
1954 1955 1956 1957 1958
}
EXPORT_SYMBOL(ath10k_core_register);

void ath10k_core_unregister(struct ath10k *ar)
{
1959 1960 1961 1962 1963
	cancel_work_sync(&ar->register_work);

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

1964
	ath10k_thermal_unregister(ar);
1965 1966 1967 1968 1969 1970
	/* 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);

1971 1972 1973 1974
	/* 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);
1975

K
Kalle Valo 已提交
1976 1977
	ath10k_testmode_destroy(ar);

1978
	ath10k_core_free_firmware_files(ar);
1979
	ath10k_core_free_board_files(ar);
1980

1981
	ath10k_debug_unregister(ar);
1982 1983 1984
}
EXPORT_SYMBOL(ath10k_core_unregister);

M
Michal Kazior 已提交
1985
struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
K
Kalle Valo 已提交
1986
				  enum ath10k_bus bus,
M
Michal Kazior 已提交
1987
				  enum ath10k_hw_rev hw_rev,
1988 1989 1990
				  const struct ath10k_hif_ops *hif_ops)
{
	struct ath10k *ar;
1991
	int ret;
1992

M
Michal Kazior 已提交
1993
	ar = ath10k_mac_create(priv_size);
1994 1995 1996 1997 1998 1999
	if (!ar)
		return NULL;

	ar->ath_common.priv = ar;
	ar->ath_common.hw = ar->hw;
	ar->dev = dev;
M
Michal Kazior 已提交
2000
	ar->hw_rev = hw_rev;
2001
	ar->hif.ops = hif_ops;
K
Kalle Valo 已提交
2002
	ar->hif.bus = bus;
2003

M
Michal Kazior 已提交
2004 2005 2006
	switch (hw_rev) {
	case ATH10K_HW_QCA988X:
		ar->regs = &qca988x_regs;
2007
		ar->hw_values = &qca988x_values;
M
Michal Kazior 已提交
2008 2009
		break;
	case ATH10K_HW_QCA6174:
2010
	case ATH10K_HW_QCA9377:
M
Michal Kazior 已提交
2011
		ar->regs = &qca6174_regs;
2012
		ar->hw_values = &qca6174_values;
M
Michal Kazior 已提交
2013
		break;
2014 2015 2016 2017
	case ATH10K_HW_QCA99X0:
		ar->regs = &qca99x0_regs;
		ar->hw_values = &qca99x0_values;
		break;
2018 2019 2020 2021
	case ATH10K_HW_QCA4019:
		ar->regs = &qca4019_regs;
		ar->hw_values = &qca4019_values;
		break;
M
Michal Kazior 已提交
2022 2023 2024 2025 2026 2027 2028
	default:
		ath10k_err(ar, "unsupported core hardware revision %d\n",
			   hw_rev);
		ret = -ENOTSUPP;
		goto err_free_mac;
	}

2029 2030 2031 2032
	init_completion(&ar->scan.started);
	init_completion(&ar->scan.completed);
	init_completion(&ar->scan.on_channel);
	init_completion(&ar->target_suspend);
2033
	init_completion(&ar->wow.wakeup_completed);
2034 2035 2036

	init_completion(&ar->install_key_done);
	init_completion(&ar->vdev_setup_done);
2037
	init_completion(&ar->thermal.wmi_sync);
2038

2039
	INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
2040 2041 2042

	ar->workqueue = create_singlethread_workqueue("ath10k_wq");
	if (!ar->workqueue)
2043
		goto err_free_mac;
2044

2045 2046 2047 2048
	ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq");
	if (!ar->workqueue_aux)
		goto err_free_wq;

2049 2050
	mutex_init(&ar->conf_mutex);
	spin_lock_init(&ar->data_lock);
M
Michal Kazior 已提交
2051
	spin_lock_init(&ar->txqs_lock);
2052

M
Michal Kazior 已提交
2053
	INIT_LIST_HEAD(&ar->txqs);
2054 2055
	INIT_LIST_HEAD(&ar->peers);
	init_waitqueue_head(&ar->peer_mapping_wq);
M
Michal Kazior 已提交
2056 2057
	init_waitqueue_head(&ar->htt.empty_tx_wq);
	init_waitqueue_head(&ar->wmi.tx_credits_wq);
2058 2059 2060 2061 2062 2063 2064 2065

	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);

2066
	INIT_WORK(&ar->register_work, ath10k_core_register_work);
2067 2068
	INIT_WORK(&ar->restart_work, ath10k_core_restart);

2069 2070
	ret = ath10k_debug_create(ar);
	if (ret)
2071
		goto err_free_aux_wq;
2072

2073 2074
	return ar;

2075 2076
err_free_aux_wq:
	destroy_workqueue(ar->workqueue_aux);
2077 2078 2079 2080
err_free_wq:
	destroy_workqueue(ar->workqueue);

err_free_mac:
2081
	ath10k_mac_destroy(ar);
2082

2083 2084 2085 2086 2087 2088 2089 2090 2091
	return NULL;
}
EXPORT_SYMBOL(ath10k_core_create);

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

2092 2093 2094
	flush_workqueue(ar->workqueue_aux);
	destroy_workqueue(ar->workqueue_aux);

2095
	ath10k_debug_destroy(ar);
2096
	ath10k_wmi_free_host_mem(ar);
2097 2098 2099 2100
	ath10k_mac_destroy(ar);
}
EXPORT_SYMBOL(ath10k_core_destroy);

2101 2102 2103
MODULE_AUTHOR("Qualcomm Atheros");
MODULE_DESCRIPTION("Core module for QCA988X PCIe devices.");
MODULE_LICENSE("Dual BSD/GPL");