init.c 41.2 KB
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/*
 * Copyright (c) 2011 Atheros Communications Inc.
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 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
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 *
 * 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.
 */

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#include <linux/moduleparam.h>
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#include <linux/errno.h>
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#include <linux/export.h>
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#include <linux/of.h>
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#include <linux/mmc/sdio_func.h>
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#include "core.h"
#include "cfg80211.h"
#include "target.h"
#include "debug.h"
#include "hif-ops.h"

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static const struct ath6kl_hw hw_list[] = {
	{
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		.id				= AR6003_HW_2_0_VERSION,
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		.name				= "ar6003 hw 2.0",
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		.dataset_patch_addr		= 0x57e884,
		.app_load_addr			= 0x543180,
		.board_ext_data_addr		= 0x57e500,
		.reserved_ram_size		= 6912,
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		.refclk_hz			= 26000000,
		.uarttx_pin			= 8,
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		/* hw2.0 needs override address hardcoded */
		.app_start_override_addr	= 0x944C00,
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		.fw = {
			.dir		= AR6003_HW_2_0_FW_DIR,
			.otp		= AR6003_HW_2_0_OTP_FILE,
			.fw		= AR6003_HW_2_0_FIRMWARE_FILE,
			.tcmd		= AR6003_HW_2_0_TCMD_FIRMWARE_FILE,
			.patch		= AR6003_HW_2_0_PATCH_FILE,
		},

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		.fw_board		= AR6003_HW_2_0_BOARD_DATA_FILE,
		.fw_default_board	= AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE,
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	},
	{
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		.id				= AR6003_HW_2_1_1_VERSION,
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		.name				= "ar6003 hw 2.1.1",
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		.dataset_patch_addr		= 0x57ff74,
		.app_load_addr			= 0x1234,
		.board_ext_data_addr		= 0x542330,
		.reserved_ram_size		= 512,
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		.refclk_hz			= 26000000,
		.uarttx_pin			= 8,
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		.testscript_addr		= 0x57ef74,
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		.fw = {
			.dir		= AR6003_HW_2_1_1_FW_DIR,
			.otp		= AR6003_HW_2_1_1_OTP_FILE,
			.fw		= AR6003_HW_2_1_1_FIRMWARE_FILE,
			.tcmd		= AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE,
			.patch		= AR6003_HW_2_1_1_PATCH_FILE,
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			.utf		= AR6003_HW_2_1_1_UTF_FIRMWARE_FILE,
			.testscript	= AR6003_HW_2_1_1_TESTSCRIPT_FILE,
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		},

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		.fw_board		= AR6003_HW_2_1_1_BOARD_DATA_FILE,
		.fw_default_board	= AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE,
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	},
	{
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		.id				= AR6004_HW_1_0_VERSION,
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		.name				= "ar6004 hw 1.0",
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		.dataset_patch_addr		= 0x57e884,
		.app_load_addr			= 0x1234,
		.board_ext_data_addr		= 0x437000,
		.reserved_ram_size		= 19456,
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		.board_addr			= 0x433900,
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		.refclk_hz			= 26000000,
		.uarttx_pin			= 11,
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		.fw = {
			.dir		= AR6004_HW_1_0_FW_DIR,
			.fw		= AR6004_HW_1_0_FIRMWARE_FILE,
		},

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		.fw_board		= AR6004_HW_1_0_BOARD_DATA_FILE,
		.fw_default_board	= AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE,
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	},
	{
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		.id				= AR6004_HW_1_1_VERSION,
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		.name				= "ar6004 hw 1.1",
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		.dataset_patch_addr		= 0x57e884,
		.app_load_addr			= 0x1234,
		.board_ext_data_addr		= 0x437000,
		.reserved_ram_size		= 11264,
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		.board_addr			= 0x43d400,
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		.refclk_hz			= 40000000,
		.uarttx_pin			= 11,
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		.fw = {
			.dir		= AR6004_HW_1_1_FW_DIR,
			.fw		= AR6004_HW_1_1_FIRMWARE_FILE,
		},

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		.fw_board		= AR6004_HW_1_1_BOARD_DATA_FILE,
		.fw_default_board	= AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE,
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	},
};

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/*
 * Include definitions here that can be used to tune the WLAN module
 * behavior. Different customers can tune the behavior as per their needs,
 * here.
 */

/*
 * This configuration item enable/disable keepalive support.
 * Keepalive support: In the absence of any data traffic to AP, null
 * frames will be sent to the AP at periodic interval, to keep the association
 * active. This configuration item defines the periodic interval.
 * Use value of zero to disable keepalive support
 * Default: 60 seconds
 */
#define WLAN_CONFIG_KEEP_ALIVE_INTERVAL 60

/*
 * This configuration item sets the value of disconnect timeout
 * Firmware delays sending the disconnec event to the host for this
 * timeout after is gets disconnected from the current AP.
 * If the firmware successly roams within the disconnect timeout
 * it sends a new connect event
 */
#define WLAN_CONFIG_DISCONNECT_TIMEOUT 10


#define ATH6KL_DATA_OFFSET    64
struct sk_buff *ath6kl_buf_alloc(int size)
{
	struct sk_buff *skb;
	u16 reserved;

	/* Add chacheline space at front and back of buffer */
	reserved = (2 * L1_CACHE_BYTES) + ATH6KL_DATA_OFFSET +
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		   sizeof(struct htc_packet) + ATH6KL_HTC_ALIGN_BYTES;
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	skb = dev_alloc_skb(size + reserved);

	if (skb)
		skb_reserve(skb, reserved - L1_CACHE_BYTES);
	return skb;
}

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void ath6kl_init_profile_info(struct ath6kl_vif *vif)
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{
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	vif->ssid_len = 0;
	memset(vif->ssid, 0, sizeof(vif->ssid));

	vif->dot11_auth_mode = OPEN_AUTH;
	vif->auth_mode = NONE_AUTH;
	vif->prwise_crypto = NONE_CRYPT;
	vif->prwise_crypto_len = 0;
	vif->grp_crypto = NONE_CRYPT;
	vif->grp_crypto_len = 0;
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	memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list));
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	memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
	memset(vif->bssid, 0, sizeof(vif->bssid));
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	vif->bss_ch = 0;
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}

static int ath6kl_set_host_app_area(struct ath6kl *ar)
{
	u32 address, data;
	struct host_app_area host_app_area;

	/* Fetch the address of the host_app_area_s
	 * instance in the host interest area */
	address = ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_app_host_interest));
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	address = TARG_VTOP(ar->target_type, address);
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	if (ath6kl_diag_read32(ar, address, &data))
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		return -EIO;

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	address = TARG_VTOP(ar->target_type, data);
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	host_app_area.wmi_protocol_ver = cpu_to_le32(WMI_PROTOCOL_VERSION);
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	if (ath6kl_diag_write(ar, address, (u8 *) &host_app_area,
			      sizeof(struct host_app_area)))
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		return -EIO;

	return 0;
}

static inline void set_ac2_ep_map(struct ath6kl *ar,
				  u8 ac,
				  enum htc_endpoint_id ep)
{
	ar->ac2ep_map[ac] = ep;
	ar->ep2ac_map[ep] = ac;
}

/* connect to a service */
static int ath6kl_connectservice(struct ath6kl *ar,
				 struct htc_service_connect_req  *con_req,
				 char *desc)
{
	int status;
	struct htc_service_connect_resp response;

	memset(&response, 0, sizeof(response));

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	status = ath6kl_htc_conn_service(ar->htc_target, con_req, &response);
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	if (status) {
		ath6kl_err("failed to connect to %s service status:%d\n",
			   desc, status);
		return status;
	}

	switch (con_req->svc_id) {
	case WMI_CONTROL_SVC:
		if (test_bit(WMI_ENABLED, &ar->flag))
			ath6kl_wmi_set_control_ep(ar->wmi, response.endpoint);
		ar->ctrl_ep = response.endpoint;
		break;
	case WMI_DATA_BE_SVC:
		set_ac2_ep_map(ar, WMM_AC_BE, response.endpoint);
		break;
	case WMI_DATA_BK_SVC:
		set_ac2_ep_map(ar, WMM_AC_BK, response.endpoint);
		break;
	case WMI_DATA_VI_SVC:
		set_ac2_ep_map(ar, WMM_AC_VI, response.endpoint);
		break;
	case WMI_DATA_VO_SVC:
		set_ac2_ep_map(ar, WMM_AC_VO, response.endpoint);
		break;
	default:
		ath6kl_err("service id is not mapped %d\n", con_req->svc_id);
		return -EINVAL;
	}

	return 0;
}

static int ath6kl_init_service_ep(struct ath6kl *ar)
{
	struct htc_service_connect_req connect;

	memset(&connect, 0, sizeof(connect));

	/* these fields are the same for all service endpoints */
	connect.ep_cb.rx = ath6kl_rx;
	connect.ep_cb.rx_refill = ath6kl_rx_refill;
	connect.ep_cb.tx_full = ath6kl_tx_queue_full;

	/*
	 * Set the max queue depth so that our ath6kl_tx_queue_full handler
	 * gets called.
	*/
	connect.max_txq_depth = MAX_DEFAULT_SEND_QUEUE_DEPTH;
	connect.ep_cb.rx_refill_thresh = ATH6KL_MAX_RX_BUFFERS / 4;
	if (!connect.ep_cb.rx_refill_thresh)
		connect.ep_cb.rx_refill_thresh++;

	/* connect to control service */
	connect.svc_id = WMI_CONTROL_SVC;
	if (ath6kl_connectservice(ar, &connect, "WMI CONTROL"))
		return -EIO;

	connect.flags |= HTC_FLGS_TX_BNDL_PAD_EN;

	/*
	 * Limit the HTC message size on the send path, although e can
	 * receive A-MSDU frames of 4K, we will only send ethernet-sized
	 * (802.3) frames on the send path.
	 */
	connect.max_rxmsg_sz = WMI_MAX_TX_DATA_FRAME_LENGTH;

	/*
	 * To reduce the amount of committed memory for larger A_MSDU
	 * frames, use the recv-alloc threshold mechanism for larger
	 * packets.
	 */
	connect.ep_cb.rx_alloc_thresh = ATH6KL_BUFFER_SIZE;
	connect.ep_cb.rx_allocthresh = ath6kl_alloc_amsdu_rxbuf;

	/*
	 * For the remaining data services set the connection flag to
	 * reduce dribbling, if configured to do so.
	 */
	connect.conn_flags |= HTC_CONN_FLGS_REDUCE_CRED_DRIB;
	connect.conn_flags &= ~HTC_CONN_FLGS_THRESH_MASK;
	connect.conn_flags |= HTC_CONN_FLGS_THRESH_LVL_HALF;

	connect.svc_id = WMI_DATA_BE_SVC;

	if (ath6kl_connectservice(ar, &connect, "WMI DATA BE"))
		return -EIO;

	/* connect to back-ground map this to WMI LOW_PRI */
	connect.svc_id = WMI_DATA_BK_SVC;
	if (ath6kl_connectservice(ar, &connect, "WMI DATA BK"))
		return -EIO;

	/* connect to Video service, map this to to HI PRI */
	connect.svc_id = WMI_DATA_VI_SVC;
	if (ath6kl_connectservice(ar, &connect, "WMI DATA VI"))
		return -EIO;

	/*
	 * Connect to VO service, this is currently not mapped to a WMI
	 * priority stream due to historical reasons. WMI originally
	 * defined 3 priorities over 3 mailboxes We can change this when
	 * WMI is reworked so that priorities are not dependent on
	 * mailboxes.
	 */
	connect.svc_id = WMI_DATA_VO_SVC;
	if (ath6kl_connectservice(ar, &connect, "WMI DATA VO"))
		return -EIO;

	return 0;
}

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void ath6kl_init_control_info(struct ath6kl_vif *vif)
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{
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	ath6kl_init_profile_info(vif);
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	vif->def_txkey_index = 0;
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	memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list));
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	vif->ch_hint = 0;
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}

/*
 * Set HTC/Mbox operational parameters, this can only be called when the
 * target is in the BMI phase.
 */
static int ath6kl_set_htc_params(struct ath6kl *ar, u32 mbox_isr_yield_val,
				 u8 htc_ctrl_buf)
{
	int status;
	u32 blk_size;

	blk_size = ar->mbox_info.block_size;

	if (htc_ctrl_buf)
		blk_size |=  ((u32)htc_ctrl_buf) << 16;

	/* set the host interest area for the block size */
	status = ath6kl_bmi_write(ar,
			ath6kl_get_hi_item_addr(ar,
			HI_ITEM(hi_mbox_io_block_sz)),
			(u8 *)&blk_size,
			4);
	if (status) {
		ath6kl_err("bmi_write_memory for IO block size failed\n");
		goto out;
	}

	ath6kl_dbg(ATH6KL_DBG_TRC, "block size set: %d (target addr:0x%X)\n",
		   blk_size,
		   ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_mbox_io_block_sz)));

	if (mbox_isr_yield_val) {
		/* set the host interest area for the mbox ISR yield limit */
		status = ath6kl_bmi_write(ar,
				ath6kl_get_hi_item_addr(ar,
				HI_ITEM(hi_mbox_isr_yield_limit)),
				(u8 *)&mbox_isr_yield_val,
				4);
		if (status) {
			ath6kl_err("bmi_write_memory for yield limit failed\n");
			goto out;
		}
	}

out:
	return status;
}

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static int ath6kl_target_config_wlan_params(struct ath6kl *ar, int idx)
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{
	int status = 0;
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	int ret;
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	/*
	 * Configure the device for rx dot11 header rules. "0,0" are the
	 * default values. Required if checksum offload is needed. Set
	 * RxMetaVersion to 2.
	 */
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	if (ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, idx,
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					       ar->rx_meta_ver, 0, 0)) {
		ath6kl_err("unable to set the rx frame format\n");
		status = -EIO;
	}

	if (ar->conf_flags & ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN)
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		if ((ath6kl_wmi_pmparams_cmd(ar->wmi, idx, 0, 1, 0, 0, 1,
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		     IGNORE_POWER_SAVE_FAIL_EVENT_DURING_SCAN)) != 0) {
			ath6kl_err("unable to set power save fail event policy\n");
			status = -EIO;
		}

	if (!(ar->conf_flags & ATH6KL_CONF_IGNORE_ERP_BARKER))
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		if ((ath6kl_wmi_set_lpreamble_cmd(ar->wmi, idx, 0,
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		     WMI_DONOT_IGNORE_BARKER_IN_ERP)) != 0) {
			ath6kl_err("unable to set barker preamble policy\n");
			status = -EIO;
		}

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	if (ath6kl_wmi_set_keepalive_cmd(ar->wmi, idx,
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			WLAN_CONFIG_KEEP_ALIVE_INTERVAL)) {
		ath6kl_err("unable to set keep alive interval\n");
		status = -EIO;
	}

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	if (ath6kl_wmi_disctimeout_cmd(ar->wmi, idx,
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			WLAN_CONFIG_DISCONNECT_TIMEOUT)) {
		ath6kl_err("unable to set disconnect timeout\n");
		status = -EIO;
	}

	if (!(ar->conf_flags & ATH6KL_CONF_ENABLE_TX_BURST))
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		if (ath6kl_wmi_set_wmm_txop(ar->wmi, idx, WMI_TXOP_DISABLED)) {
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			ath6kl_err("unable to set txop bursting\n");
			status = -EIO;
		}

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	if (ar->p2p && (ar->vif_max == 1 || idx)) {
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		ret = ath6kl_wmi_info_req_cmd(ar->wmi, idx,
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					      P2P_FLAG_CAPABILITIES_REQ |
					      P2P_FLAG_MACADDR_REQ |
					      P2P_FLAG_HMODEL_REQ);
		if (ret) {
			ath6kl_dbg(ATH6KL_DBG_TRC, "failed to request P2P "
				   "capabilities (%d) - assuming P2P not "
				   "supported\n", ret);
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			ar->p2p = false;
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		}
	}

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	if (ar->p2p && (ar->vif_max == 1 || idx)) {
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		/* Enable Probe Request reporting for P2P */
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		ret = ath6kl_wmi_probe_report_req_cmd(ar->wmi, idx, true);
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		if (ret) {
			ath6kl_dbg(ATH6KL_DBG_TRC, "failed to enable Probe "
				   "Request reporting (%d)\n", ret);
		}
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	}

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	return status;
}

int ath6kl_configure_target(struct ath6kl *ar)
{
	u32 param, ram_reserved_size;
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	u8 fw_iftype, fw_mode = 0, fw_submode = 0;
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	int i, status;
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	param = !!(ar->conf_flags & ATH6KL_CONF_UART_DEBUG);
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	if (ath6kl_bmi_write(ar, ath6kl_get_hi_item_addr(ar,
			     HI_ITEM(hi_serial_enable)), (u8 *)&param, 4)) {
		ath6kl_err("bmi_write_memory for uart debug failed\n");
		return -EIO;
	}

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	/*
	 * Note: Even though the firmware interface type is
	 * chosen as BSS_STA for all three interfaces, can
	 * be configured to IBSS/AP as long as the fw submode
	 * remains normal mode (0 - AP, STA and IBSS). But
	 * due to an target assert in firmware only one interface is
	 * configured for now.
	 */
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	fw_iftype = HI_OPTION_FW_MODE_BSS_STA;
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	for (i = 0; i < ar->vif_max; i++)
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		fw_mode |= fw_iftype << (i * HI_OPTION_FW_MODE_BITS);

	/*
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	 * By default, submodes :
	 *		vif[0] - AP/STA/IBSS
	 *		vif[1] - "P2P dev"/"P2P GO"/"P2P Client"
	 *		vif[2] - "P2P dev"/"P2P GO"/"P2P Client"
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	 */
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	for (i = 0; i < ar->max_norm_iface; i++)
		fw_submode |= HI_OPTION_FW_SUBMODE_NONE <<
			      (i * HI_OPTION_FW_SUBMODE_BITS);

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	for (i = ar->max_norm_iface; i < ar->vif_max; i++)
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		fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV <<
			      (i * HI_OPTION_FW_SUBMODE_BITS);
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	if (ar->p2p && ar->vif_max == 1)
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		fw_submode = HI_OPTION_FW_SUBMODE_P2PDEV;

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	param = HTC_PROTOCOL_VERSION;
	if (ath6kl_bmi_write(ar,
			     ath6kl_get_hi_item_addr(ar,
			     HI_ITEM(hi_app_host_interest)),
			     (u8 *)&param, 4) != 0) {
		ath6kl_err("bmi_write_memory for htc version failed\n");
		return -EIO;
	}

	/* set the firmware mode to STA/IBSS/AP */
	param = 0;

	if (ath6kl_bmi_read(ar,
			    ath6kl_get_hi_item_addr(ar,
			    HI_ITEM(hi_option_flag)),
			    (u8 *)&param, 4) != 0) {
		ath6kl_err("bmi_read_memory for setting fwmode failed\n");
		return -EIO;
	}

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	param |= (ar->vif_max << HI_OPTION_NUM_DEV_SHIFT);
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	param |= fw_mode << HI_OPTION_FW_MODE_SHIFT;
	param |= fw_submode << HI_OPTION_FW_SUBMODE_SHIFT;

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	param |= (0 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
	param |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);

	if (ath6kl_bmi_write(ar,
			     ath6kl_get_hi_item_addr(ar,
			     HI_ITEM(hi_option_flag)),
			     (u8 *)&param,
			     4) != 0) {
		ath6kl_err("bmi_write_memory for setting fwmode failed\n");
		return -EIO;
	}

	ath6kl_dbg(ATH6KL_DBG_TRC, "firmware mode set\n");

	/*
	 * Hardcode the address use for the extended board data
	 * Ideally this should be pre-allocate by the OS at boot time
	 * But since it is a new feature and board data is loaded
	 * at init time, we have to workaround this from host.
	 * It is difficult to patch the firmware boot code,
	 * but possible in theory.
	 */

550 551
	param = ar->hw.board_ext_data_addr;
	ram_reserved_size = ar->hw.reserved_ram_size;
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553 554 555 556 557 558 559 560 561 562 563 564
	if (ath6kl_bmi_write(ar, ath6kl_get_hi_item_addr(ar,
					HI_ITEM(hi_board_ext_data)),
			     (u8 *)&param, 4) != 0) {
		ath6kl_err("bmi_write_memory for hi_board_ext_data failed\n");
		return -EIO;
	}

	if (ath6kl_bmi_write(ar, ath6kl_get_hi_item_addr(ar,
					HI_ITEM(hi_end_ram_reserve_sz)),
			     (u8 *)&ram_reserved_size, 4) != 0) {
		ath6kl_err("bmi_write_memory for hi_end_ram_reserve_sz failed\n");
		return -EIO;
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	}

	/* set the block size for the target */
	if (ath6kl_set_htc_params(ar, MBOX_YIELD_LIMIT, 0))
		/* use default number of control buffers */
		return -EIO;

572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589
	/* Configure GPIO AR600x UART */
	param = ar->hw.uarttx_pin;
	status = ath6kl_bmi_write(ar,
				ath6kl_get_hi_item_addr(ar,
				HI_ITEM(hi_dbg_uart_txpin)),
				(u8 *)&param, 4);
	if (status)
		return status;

	/* Configure target refclk_hz */
	param =  ar->hw.refclk_hz;
	status = ath6kl_bmi_write(ar,
				ath6kl_get_hi_item_addr(ar,
				HI_ITEM(hi_refclk_hz)),
				(u8 *)&param, 4);
	if (status)
		return status;

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	return 0;
}

/* firmware upload */
static int ath6kl_get_fw(struct ath6kl *ar, const char *filename,
			 u8 **fw, size_t *fw_len)
{
	const struct firmware *fw_entry;
	int ret;

	ret = request_firmware(&fw_entry, filename, ar->dev);
	if (ret)
		return ret;

	*fw_len = fw_entry->size;
	*fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);

	if (*fw == NULL)
		ret = -ENOMEM;

	release_firmware(fw_entry);

	return ret;
}

615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637
#ifdef CONFIG_OF
/*
 * Check the device tree for a board-id and use it to construct
 * the pathname to the firmware file.  Used (for now) to find a
 * fallback to the "bdata.bin" file--typically a symlink to the
 * appropriate board-specific file.
 */
static bool check_device_tree(struct ath6kl *ar)
{
	static const char *board_id_prop = "atheros,board-id";
	struct device_node *node;
	char board_filename[64];
	const char *board_id;
	int ret;

	for_each_compatible_node(node, NULL, "atheros,ath6kl") {
		board_id = of_get_property(node, board_id_prop, NULL);
		if (board_id == NULL) {
			ath6kl_warn("No \"%s\" property on %s node.\n",
				    board_id_prop, node->name);
			continue;
		}
		snprintf(board_filename, sizeof(board_filename),
638
			 "%s/bdata.%s.bin", ar->hw.fw.dir, board_id);
639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657

		ret = ath6kl_get_fw(ar, board_filename, &ar->fw_board,
				    &ar->fw_board_len);
		if (ret) {
			ath6kl_err("Failed to get DT board file %s: %d\n",
				   board_filename, ret);
			continue;
		}
		return true;
	}
	return false;
}
#else
static bool check_device_tree(struct ath6kl *ar)
{
	return false;
}
#endif /* CONFIG_OF */

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static int ath6kl_fetch_board_file(struct ath6kl *ar)
{
	const char *filename;
	int ret;

663 664 665
	if (ar->fw_board != NULL)
		return 0;

666 667 668 669
	if (WARN_ON(ar->hw.fw_board == NULL))
		return -EINVAL;

	filename = ar->hw.fw_board;
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	ret = ath6kl_get_fw(ar, filename, &ar->fw_board,
			    &ar->fw_board_len);
	if (ret == 0) {
		/* managed to get proper board file */
		return 0;
	}

678 679 680 681 682
	if (check_device_tree(ar)) {
		/* got board file from device tree */
		return 0;
	}

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	/* there was no proper board file, try to use default instead */
	ath6kl_warn("Failed to get board file %s (%d), trying to find default board file.\n",
		    filename, ret);

687
	filename = ar->hw.fw_default_board;
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	ret = ath6kl_get_fw(ar, filename, &ar->fw_board,
			    &ar->fw_board_len);
	if (ret) {
		ath6kl_err("Failed to get default board file %s: %d\n",
			   filename, ret);
		return ret;
	}

	ath6kl_warn("WARNING! No proper board file was not found, instead using a default board file.\n");
	ath6kl_warn("Most likely your hardware won't work as specified. Install correct board file!\n");

	return 0;
}

703 704
static int ath6kl_fetch_otp_file(struct ath6kl *ar)
{
705
	char filename[100];
706 707 708 709 710
	int ret;

	if (ar->fw_otp != NULL)
		return 0;

711
	if (ar->hw.fw.otp == NULL) {
712 713
		ath6kl_dbg(ATH6KL_DBG_BOOT,
			   "no OTP file configured for this hw\n");
714 715 716
		return 0;
	}

717 718
	snprintf(filename, sizeof(filename), "%s/%s",
		 ar->hw.fw.dir, ar->hw.fw.otp);
719

720 721 722 723 724 725 726 727 728 729 730
	ret = ath6kl_get_fw(ar, filename, &ar->fw_otp,
			    &ar->fw_otp_len);
	if (ret) {
		ath6kl_err("Failed to get OTP file %s: %d\n",
			   filename, ret);
		return ret;
	}

	return 0;
}

731
static int ath6kl_fetch_testmode_file(struct ath6kl *ar)
732
{
733
	char filename[100];
734 735
	int ret;

736
	if (ar->testmode == 0)
737 738
		return 0;

739
	ath6kl_dbg(ATH6KL_DBG_BOOT, "testmode %d\n", ar->testmode);
740

741 742 743 744 745
	if (ar->testmode == 2) {
		if (ar->hw.fw.utf == NULL) {
			ath6kl_warn("testmode 2 not supported\n");
			return -EOPNOTSUPP;
		}
746

747 748 749 750 751 752
		snprintf(filename, sizeof(filename), "%s/%s",
			 ar->hw.fw.dir, ar->hw.fw.utf);
	} else {
		if (ar->hw.fw.tcmd == NULL) {
			ath6kl_warn("testmode 1 not supported\n");
			return -EOPNOTSUPP;
753
		}
754

755 756
		snprintf(filename, sizeof(filename), "%s/%s",
			 ar->hw.fw.dir, ar->hw.fw.tcmd);
757 758
	}

759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778
	set_bit(TESTMODE, &ar->flag);

	ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len);
	if (ret) {
		ath6kl_err("Failed to get testmode %d firmware file %s: %d\n",
			   ar->testmode, filename, ret);
		return ret;
	}

	return 0;
}

static int ath6kl_fetch_fw_file(struct ath6kl *ar)
{
	char filename[100];
	int ret;

	if (ar->fw != NULL)
		return 0;

779 780
	/* FIXME: remove WARN_ON() as we won't support FW API 1 for long */
	if (WARN_ON(ar->hw.fw.fw == NULL))
781 782
		return -EINVAL;

783 784
	snprintf(filename, sizeof(filename), "%s/%s",
		 ar->hw.fw.dir, ar->hw.fw.fw);
785 786 787 788 789 790 791 792 793 794 795 796 797

	ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len);
	if (ret) {
		ath6kl_err("Failed to get firmware file %s: %d\n",
			   filename, ret);
		return ret;
	}

	return 0;
}

static int ath6kl_fetch_patch_file(struct ath6kl *ar)
{
798
	char filename[100];
799 800
	int ret;

801
	if (ar->fw_patch != NULL)
802 803
		return 0;

804
	if (ar->hw.fw.patch == NULL)
805 806
		return 0;

807 808
	snprintf(filename, sizeof(filename), "%s/%s",
		 ar->hw.fw.dir, ar->hw.fw.patch);
809 810 811 812 813 814 815

	ret = ath6kl_get_fw(ar, filename, &ar->fw_patch,
			    &ar->fw_patch_len);
	if (ret) {
		ath6kl_err("Failed to get patch file %s: %d\n",
			   filename, ret);
		return ret;
816 817 818 819 820
	}

	return 0;
}

821 822 823 824 825
static int ath6kl_fetch_testscript_file(struct ath6kl *ar)
{
	char filename[100];
	int ret;

826
	if (ar->testmode != 2)
827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848
		return 0;

	if (ar->fw_testscript != NULL)
		return 0;

	if (ar->hw.fw.testscript == NULL)
		return 0;

	snprintf(filename, sizeof(filename), "%s/%s",
		ar->hw.fw.dir, ar->hw.fw.testscript);

	ret = ath6kl_get_fw(ar, filename, &ar->fw_testscript,
				&ar->fw_testscript_len);
	if (ret) {
		ath6kl_err("Failed to get testscript file %s: %d\n",
			filename, ret);
		return ret;
	}

	return 0;
}

849
static int ath6kl_fetch_fw_api1(struct ath6kl *ar)
850 851 852 853 854 855 856 857 858 859 860 861 862 863 864
{
	int ret;

	ret = ath6kl_fetch_otp_file(ar);
	if (ret)
		return ret;

	ret = ath6kl_fetch_fw_file(ar);
	if (ret)
		return ret;

	ret = ath6kl_fetch_patch_file(ar);
	if (ret)
		return ret;

865 866 867 868
	ret = ath6kl_fetch_testscript_file(ar);
	if (ret)
		return ret;

869 870
	return 0;
}
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872
static int ath6kl_fetch_fw_apin(struct ath6kl *ar, const char *name)
873 874 875 876
{
	size_t magic_len, len, ie_len;
	const struct firmware *fw;
	struct ath6kl_fw_ie *hdr;
877
	char filename[100];
878
	const u8 *data;
879
	int ret, ie_id, i, index, bit;
880
	__le32 *val;
881

882
	snprintf(filename, sizeof(filename), "%s/%s", ar->hw.fw.dir, name);
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

	ret = request_firmware(&fw, filename, ar->dev);
	if (ret)
		return ret;

	data = fw->data;
	len = fw->size;

	/* magic also includes the null byte, check that as well */
	magic_len = strlen(ATH6KL_FIRMWARE_MAGIC) + 1;

	if (len < magic_len) {
		ret = -EINVAL;
		goto out;
	}

	if (memcmp(data, ATH6KL_FIRMWARE_MAGIC, magic_len) != 0) {
		ret = -EINVAL;
		goto out;
	}

	len -= magic_len;
	data += magic_len;

	/* loop elements */
	while (len > sizeof(struct ath6kl_fw_ie)) {
		/* hdr is unaligned! */
		hdr = (struct ath6kl_fw_ie *) data;

		ie_id = le32_to_cpup(&hdr->id);
		ie_len = le32_to_cpup(&hdr->len);

		len -= sizeof(*hdr);
		data += sizeof(*hdr);

		if (len < ie_len) {
			ret = -EINVAL;
			goto out;
		}

		switch (ie_id) {
		case ATH6KL_FW_IE_OTP_IMAGE:
925
			ath6kl_dbg(ATH6KL_DBG_BOOT, "found otp image ie (%zd B)\n",
926 927
				ie_len);

928 929 930 931 932 933 934 935 936 937
			ar->fw_otp = kmemdup(data, ie_len, GFP_KERNEL);

			if (ar->fw_otp == NULL) {
				ret = -ENOMEM;
				goto out;
			}

			ar->fw_otp_len = ie_len;
			break;
		case ATH6KL_FW_IE_FW_IMAGE:
938
			ath6kl_dbg(ATH6KL_DBG_BOOT, "found fw image ie (%zd B)\n",
939 940
				ie_len);

941 942 943 944
			/* in testmode we already might have a fw file */
			if (ar->fw != NULL)
				break;

945 946 947 948 949 950 951 952 953 954
			ar->fw = kmemdup(data, ie_len, GFP_KERNEL);

			if (ar->fw == NULL) {
				ret = -ENOMEM;
				goto out;
			}

			ar->fw_len = ie_len;
			break;
		case ATH6KL_FW_IE_PATCH_IMAGE:
955
			ath6kl_dbg(ATH6KL_DBG_BOOT, "found patch image ie (%zd B)\n",
956 957
				ie_len);

958 959 960 961 962 963 964 965 966
			ar->fw_patch = kmemdup(data, ie_len, GFP_KERNEL);

			if (ar->fw_patch == NULL) {
				ret = -ENOMEM;
				goto out;
			}

			ar->fw_patch_len = ie_len;
			break;
967 968 969
		case ATH6KL_FW_IE_RESERVED_RAM_SIZE:
			val = (__le32 *) data;
			ar->hw.reserved_ram_size = le32_to_cpup(val);
970 971 972 973

			ath6kl_dbg(ATH6KL_DBG_BOOT,
				   "found reserved ram size ie 0x%d\n",
				   ar->hw.reserved_ram_size);
974
			break;
975
		case ATH6KL_FW_IE_CAPABILITIES:
976 977 978
			if (ie_len < DIV_ROUND_UP(ATH6KL_FW_CAPABILITY_MAX, 8))
				break;

979
			ath6kl_dbg(ATH6KL_DBG_BOOT,
980
				   "found firmware capabilities ie (%zd B)\n",
981 982
				   ie_len);

983
			for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) {
984
				index = i / 8;
985 986 987 988 989
				bit = i % 8;

				if (data[index] & (1 << bit))
					__set_bit(i, ar->fw_capabilities);
			}
990 991 992 993

			ath6kl_dbg_dump(ATH6KL_DBG_BOOT, "capabilities", "",
					ar->fw_capabilities,
					sizeof(ar->fw_capabilities));
994
			break;
995 996 997 998 999 1000
		case ATH6KL_FW_IE_PATCH_ADDR:
			if (ie_len != sizeof(*val))
				break;

			val = (__le32 *) data;
			ar->hw.dataset_patch_addr = le32_to_cpup(val);
1001 1002

			ath6kl_dbg(ATH6KL_DBG_BOOT,
1003
				   "found patch address ie 0x%x\n",
1004
				   ar->hw.dataset_patch_addr);
1005
			break;
1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016
		case ATH6KL_FW_IE_BOARD_ADDR:
			if (ie_len != sizeof(*val))
				break;

			val = (__le32 *) data;
			ar->hw.board_addr = le32_to_cpup(val);

			ath6kl_dbg(ATH6KL_DBG_BOOT,
				   "found board address ie 0x%x\n",
				   ar->hw.board_addr);
			break;
1017 1018 1019 1020 1021 1022 1023 1024
		case ATH6KL_FW_IE_VIF_MAX:
			if (ie_len != sizeof(*val))
				break;

			val = (__le32 *) data;
			ar->vif_max = min_t(unsigned int, le32_to_cpup(val),
					    ATH6KL_VIF_MAX);

1025 1026 1027
			if (ar->vif_max > 1 && !ar->p2p)
				ar->max_norm_iface = 2;

1028 1029 1030
			ath6kl_dbg(ATH6KL_DBG_BOOT,
				   "found vif max ie %d\n", ar->vif_max);
			break;
1031
		default:
1032
			ath6kl_dbg(ATH6KL_DBG_BOOT, "Unknown fw ie: %u\n",
1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047
				   le32_to_cpup(&hdr->id));
			break;
		}

		len -= ie_len;
		data += ie_len;
	};

	ret = 0;
out:
	release_firmware(fw);

	return ret;
}

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int ath6kl_init_fetch_firmwares(struct ath6kl *ar)
1049 1050 1051 1052 1053 1054 1055
{
	int ret;

	ret = ath6kl_fetch_board_file(ar);
	if (ret)
		return ret;

1056 1057 1058 1059
	ret = ath6kl_fetch_testmode_file(ar);
	if (ret)
		return ret;

1060
	ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API3_FILE);
1061
	if (ret == 0) {
1062 1063 1064 1065 1066 1067 1068 1069
		ar->fw_api = 3;
		goto out;
	}

	ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API2_FILE);
	if (ret == 0) {
		ar->fw_api = 2;
		goto out;
1070
	}
1071 1072 1073 1074 1075

	ret = ath6kl_fetch_fw_api1(ar);
	if (ret)
		return ret;

1076 1077 1078 1079
	ar->fw_api = 1;

out:
	ath6kl_dbg(ATH6KL_DBG_BOOT, "using fw api %d\n", ar->fw_api);
1080

1081 1082 1083
	return 0;
}

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1084 1085 1086
static int ath6kl_upload_board_file(struct ath6kl *ar)
{
	u32 board_address, board_ext_address, param;
1087
	u32 board_data_size, board_ext_data_size;
K
Kalle Valo 已提交
1088 1089
	int ret;

1090 1091
	if (WARN_ON(ar->fw_board == NULL))
		return -ENOENT;
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1093 1094 1095 1096 1097
	/*
	 * Determine where in Target RAM to write Board Data.
	 * For AR6004, host determine Target RAM address for
	 * writing board data.
	 */
1098 1099
	if (ar->hw.board_addr != 0) {
		board_address = ar->hw.board_addr;
1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110
		ath6kl_bmi_write(ar,
				ath6kl_get_hi_item_addr(ar,
				HI_ITEM(hi_board_data)),
				(u8 *) &board_address, 4);
	} else {
		ath6kl_bmi_read(ar,
				ath6kl_get_hi_item_addr(ar,
				HI_ITEM(hi_board_data)),
				(u8 *) &board_address, 4);
	}

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1111 1112 1113 1114 1115 1116
	/* determine where in target ram to write extended board data */
	ath6kl_bmi_read(ar,
			ath6kl_get_hi_item_addr(ar,
			HI_ITEM(hi_board_ext_data)),
			(u8 *) &board_ext_address, 4);

1117 1118
	if (ar->target_type == TARGET_TYPE_AR6003 &&
	    board_ext_address == 0) {
K
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1119 1120 1121 1122
		ath6kl_err("Failed to get board file target address.\n");
		return -EINVAL;
	}

1123 1124 1125 1126
	switch (ar->target_type) {
	case TARGET_TYPE_AR6003:
		board_data_size = AR6003_BOARD_DATA_SZ;
		board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ;
1127 1128
		if (ar->fw_board_len > (board_data_size + board_ext_data_size))
			board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ_V2;
1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139
		break;
	case TARGET_TYPE_AR6004:
		board_data_size = AR6004_BOARD_DATA_SZ;
		board_ext_data_size = AR6004_BOARD_EXT_DATA_SZ;
		break;
	default:
		WARN_ON(1);
		return -EINVAL;
		break;
	}

1140 1141
	if (board_ext_address &&
	    ar->fw_board_len == (board_data_size + board_ext_data_size)) {
1142

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		/* write extended board data */
1144 1145 1146 1147
		ath6kl_dbg(ATH6KL_DBG_BOOT,
			   "writing extended board data to 0x%x (%d B)\n",
			   board_ext_address, board_ext_data_size);

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		ret = ath6kl_bmi_write(ar, board_ext_address,
1149 1150
				       ar->fw_board + board_data_size,
				       board_ext_data_size);
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1151 1152 1153 1154 1155 1156 1157
		if (ret) {
			ath6kl_err("Failed to write extended board data: %d\n",
				   ret);
			return ret;
		}

		/* record that extended board data is initialized */
1158 1159
		param = (board_ext_data_size << 16) | 1;

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1160 1161 1162 1163 1164 1165
		ath6kl_bmi_write(ar,
				 ath6kl_get_hi_item_addr(ar,
				 HI_ITEM(hi_board_ext_data_config)),
				 (unsigned char *) &param, 4);
	}

1166
	if (ar->fw_board_len < board_data_size) {
K
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1167 1168 1169 1170 1171
		ath6kl_err("Too small board file: %zu\n", ar->fw_board_len);
		ret = -EINVAL;
		return ret;
	}

1172 1173 1174
	ath6kl_dbg(ATH6KL_DBG_BOOT, "writing board file to 0x%x (%d B)\n",
		   board_address, board_data_size);

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	ret = ath6kl_bmi_write(ar, board_address, ar->fw_board,
1176
			       board_data_size);
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	if (ret) {
		ath6kl_err("Board file bmi write failed: %d\n", ret);
		return ret;
	}

	/* record the fact that Board Data IS initialized */
	param = 1;
	ath6kl_bmi_write(ar,
			 ath6kl_get_hi_item_addr(ar,
			 HI_ITEM(hi_board_data_initialized)),
			 (u8 *)&param, 4);

	return ret;
}

static int ath6kl_upload_otp(struct ath6kl *ar)
{
	u32 address, param;
1196
	bool from_hw = false;
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	int ret;

1199 1200
	if (ar->fw_otp == NULL)
		return 0;
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1202
	address = ar->hw.app_load_addr;
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1204
	ath6kl_dbg(ATH6KL_DBG_BOOT, "writing otp to 0x%x (%zd B)\n", address,
1205 1206
		   ar->fw_otp_len);

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	ret = ath6kl_bmi_fast_download(ar, address, ar->fw_otp,
				       ar->fw_otp_len);
	if (ret) {
		ath6kl_err("Failed to upload OTP file: %d\n", ret);
		return ret;
	}

1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224
	/* read firmware start address */
	ret = ath6kl_bmi_read(ar,
			      ath6kl_get_hi_item_addr(ar,
						      HI_ITEM(hi_app_start)),
			      (u8 *) &address, sizeof(address));

	if (ret) {
		ath6kl_err("Failed to read hi_app_start: %d\n", ret);
		return ret;
	}

1225 1226 1227 1228
	if (ar->hw.app_start_override_addr == 0) {
		ar->hw.app_start_override_addr = address;
		from_hw = true;
	}
1229

1230 1231
	ath6kl_dbg(ATH6KL_DBG_BOOT, "app_start_override_addr%s 0x%x\n",
		   from_hw ? " (from hw)" : "",
1232 1233
		   ar->hw.app_start_override_addr);

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	/* execute the OTP code */
1235 1236
	ath6kl_dbg(ATH6KL_DBG_BOOT, "executing OTP at 0x%x\n",
		   ar->hw.app_start_override_addr);
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	param = 0;
1238
	ath6kl_bmi_execute(ar, ar->hw.app_start_override_addr, &param);
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	return ret;
}

static int ath6kl_upload_firmware(struct ath6kl *ar)
{
	u32 address;
	int ret;

1248
	if (WARN_ON(ar->fw == NULL))
1249
		return 0;
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1251
	address = ar->hw.app_load_addr;
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1253
	ath6kl_dbg(ATH6KL_DBG_BOOT, "writing firmware to 0x%x (%zd B)\n",
1254 1255
		   address, ar->fw_len);

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	ret = ath6kl_bmi_fast_download(ar, address, ar->fw, ar->fw_len);

	if (ret) {
		ath6kl_err("Failed to write firmware: %d\n", ret);
		return ret;
	}

1263 1264 1265 1266 1267
	/*
	 * Set starting address for firmware
	 * Don't need to setup app_start override addr on AR6004
	 */
	if (ar->target_type != TARGET_TYPE_AR6004) {
1268
		address = ar->hw.app_start_override_addr;
1269 1270
		ath6kl_bmi_set_app_start(ar, address);
	}
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	return ret;
}

static int ath6kl_upload_patch(struct ath6kl *ar)
{
	u32 address, param;
	int ret;

1279 1280
	if (ar->fw_patch == NULL)
		return 0;
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1282
	address = ar->hw.dataset_patch_addr;
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1284
	ath6kl_dbg(ATH6KL_DBG_BOOT, "writing patch to 0x%x (%zd B)\n",
1285 1286
		   address, ar->fw_patch_len);

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	ret = ath6kl_bmi_write(ar, address, ar->fw_patch, ar->fw_patch_len);
	if (ret) {
		ath6kl_err("Failed to write patch file: %d\n", ret);
		return ret;
	}

	param = address;
	ath6kl_bmi_write(ar,
			 ath6kl_get_hi_item_addr(ar,
			 HI_ITEM(hi_dset_list_head)),
			 (unsigned char *) &param, 4);

	return 0;
}

1302 1303 1304 1305 1306
static int ath6kl_upload_testscript(struct ath6kl *ar)
{
	u32 address, param;
	int ret;

1307
	if (ar->testmode != 2)
1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345
		return 0;

	if (ar->fw_testscript == NULL)
		return 0;

	address = ar->hw.testscript_addr;

	ath6kl_dbg(ATH6KL_DBG_BOOT, "writing testscript to 0x%x (%zd B)\n",
		address, ar->fw_testscript_len);

	ret = ath6kl_bmi_write(ar, address, ar->fw_testscript,
		ar->fw_testscript_len);
	if (ret) {
		ath6kl_err("Failed to write testscript file: %d\n", ret);
		return ret;
	}

	param = address;
	ath6kl_bmi_write(ar,
			ath6kl_get_hi_item_addr(ar,
			HI_ITEM(hi_ota_testscript)),
			(unsigned char *) &param, 4);

	param = 4096;
	ath6kl_bmi_write(ar,
			ath6kl_get_hi_item_addr(ar,
			HI_ITEM(hi_end_ram_reserve_sz)),
			(unsigned char *) &param, 4);

	param = 1;
	ath6kl_bmi_write(ar,
			ath6kl_get_hi_item_addr(ar,
			HI_ITEM(hi_test_apps_related)),
			(unsigned char *) &param, 4);

	return 0;
}

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static int ath6kl_init_upload(struct ath6kl *ar)
{
	u32 param, options, sleep, address;
	int status = 0;

1351 1352
	if (ar->target_type != TARGET_TYPE_AR6003 &&
		ar->target_type != TARGET_TYPE_AR6004)
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		return -EINVAL;

	/* temporarily disable system sleep */
	address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS;
	status = ath6kl_bmi_reg_read(ar, address, &param);
	if (status)
		return status;

	options = param;

	param |= ATH6KL_OPTION_SLEEP_DISABLE;
	status = ath6kl_bmi_reg_write(ar, address, param);
	if (status)
		return status;

	address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS;
	status = ath6kl_bmi_reg_read(ar, address, &param);
	if (status)
		return status;

	sleep = param;

	param |= SM(SYSTEM_SLEEP_DISABLE, 1);
	status = ath6kl_bmi_reg_write(ar, address, param);
	if (status)
		return status;

	ath6kl_dbg(ATH6KL_DBG_TRC, "old options: %d, old sleep: %d\n",
		   options, sleep);

	/* program analog PLL register */
1384 1385 1386 1387
	/* no need to control 40/44MHz clock on AR6004 */
	if (ar->target_type != TARGET_TYPE_AR6004) {
		status = ath6kl_bmi_reg_write(ar, ATH6KL_ANALOG_PLL_REGISTER,
					      0xF9104001);
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1389 1390
		if (status)
			return status;
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1392 1393 1394 1395 1396 1397 1398 1399
		/* Run at 80/88MHz by default */
		param = SM(CPU_CLOCK_STANDARD, 1);

		address = RTC_BASE_ADDRESS + CPU_CLOCK_ADDRESS;
		status = ath6kl_bmi_reg_write(ar, address, param);
		if (status)
			return status;
	}
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	param = 0;
	address = RTC_BASE_ADDRESS + LPO_CAL_ADDRESS;
	param = SM(LPO_CAL_ENABLE, 1);
	status = ath6kl_bmi_reg_write(ar, address, param);
	if (status)
		return status;

	/* WAR to avoid SDIO CRC err */
1409 1410
	if (ar->version.target_ver == AR6003_HW_2_0_VERSION ||
	    ar->version.target_ver == AR6003_HW_2_1_1_VERSION) {
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		ath6kl_err("temporary war to avoid sdio crc error\n");

		param = 0x20;

		address = GPIO_BASE_ADDRESS + GPIO_PIN10_ADDRESS;
		status = ath6kl_bmi_reg_write(ar, address, param);
		if (status)
			return status;

		address = GPIO_BASE_ADDRESS + GPIO_PIN11_ADDRESS;
		status = ath6kl_bmi_reg_write(ar, address, param);
		if (status)
			return status;

		address = GPIO_BASE_ADDRESS + GPIO_PIN12_ADDRESS;
		status = ath6kl_bmi_reg_write(ar, address, param);
		if (status)
			return status;

		address = GPIO_BASE_ADDRESS + GPIO_PIN13_ADDRESS;
		status = ath6kl_bmi_reg_write(ar, address, param);
		if (status)
			return status;
	}

	/* write EEPROM data to Target RAM */
	status = ath6kl_upload_board_file(ar);
	if (status)
		return status;

	/* transfer One time Programmable data */
	status = ath6kl_upload_otp(ar);
	if (status)
		return status;

	/* Download Target firmware */
	status = ath6kl_upload_firmware(ar);
	if (status)
		return status;

	status = ath6kl_upload_patch(ar);
	if (status)
		return status;

1455 1456 1457 1458 1459
	/* Download the test script */
	status = ath6kl_upload_testscript(ar);
	if (status)
		return status;

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	/* Restore system sleep */
	address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS;
	status = ath6kl_bmi_reg_write(ar, address, sleep);
	if (status)
		return status;

	address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS;
	param = options | 0x20;
	status = ath6kl_bmi_reg_write(ar, address, param);
	if (status)
		return status;

	return status;
}

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int ath6kl_init_hw_params(struct ath6kl *ar)
1476
{
1477
	const struct ath6kl_hw *uninitialized_var(hw);
1478
	int i;
1479

1480 1481
	for (i = 0; i < ARRAY_SIZE(hw_list); i++) {
		hw = &hw_list[i];
1482

1483 1484 1485 1486 1487
		if (hw->id == ar->version.target_ver)
			break;
	}

	if (i == ARRAY_SIZE(hw_list)) {
1488 1489 1490 1491 1492
		ath6kl_err("Unsupported hardware version: 0x%x\n",
			   ar->version.target_ver);
		return -EINVAL;
	}

1493 1494
	ar->hw = *hw;

1495 1496 1497 1498 1499 1500 1501 1502
	ath6kl_dbg(ATH6KL_DBG_BOOT,
		   "target_ver 0x%x target_type 0x%x dataset_patch 0x%x app_load_addr 0x%x\n",
		   ar->version.target_ver, ar->target_type,
		   ar->hw.dataset_patch_addr, ar->hw.app_load_addr);
	ath6kl_dbg(ATH6KL_DBG_BOOT,
		   "app_start_override_addr 0x%x board_ext_data_addr 0x%x reserved_ram_size 0x%x",
		   ar->hw.app_start_override_addr, ar->hw.board_ext_data_addr,
		   ar->hw.reserved_ram_size);
1503 1504 1505
	ath6kl_dbg(ATH6KL_DBG_BOOT,
		   "refclk_hz %d uarttx_pin %d",
		   ar->hw.refclk_hz, ar->hw.uarttx_pin);
1506

1507 1508 1509
	return 0;
}

1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521
static const char *ath6kl_init_get_hif_name(enum ath6kl_hif_type type)
{
	switch (type) {
	case ATH6KL_HIF_TYPE_SDIO:
		return "sdio";
	case ATH6KL_HIF_TYPE_USB:
		return "usb";
	}

	return NULL;
}

1522
int ath6kl_init_hw_start(struct ath6kl *ar)
1523 1524 1525 1526
{
	long timeleft;
	int ret, i;

1527 1528
	ath6kl_dbg(ATH6KL_DBG_BOOT, "hw start\n");

1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581
	ret = ath6kl_hif_power_on(ar);
	if (ret)
		return ret;

	ret = ath6kl_configure_target(ar);
	if (ret)
		goto err_power_off;

	ret = ath6kl_init_upload(ar);
	if (ret)
		goto err_power_off;

	/* Do we need to finish the BMI phase */
	/* FIXME: return error from ath6kl_bmi_done() */
	if (ath6kl_bmi_done(ar)) {
		ret = -EIO;
		goto err_power_off;
	}

	/*
	 * The reason we have to wait for the target here is that the
	 * driver layer has to init BMI in order to set the host block
	 * size.
	 */
	if (ath6kl_htc_wait_target(ar->htc_target)) {
		ret = -EIO;
		goto err_power_off;
	}

	if (ath6kl_init_service_ep(ar)) {
		ret = -EIO;
		goto err_cleanup_scatter;
	}

	/* setup credit distribution */
	ath6kl_credit_setup(ar->htc_target, &ar->credit_state_info);

	/* start HTC */
	ret = ath6kl_htc_start(ar->htc_target);
	if (ret) {
		/* FIXME: call this */
		ath6kl_cookie_cleanup(ar);
		goto err_cleanup_scatter;
	}

	/* Wait for Wmi event to be ready */
	timeleft = wait_event_interruptible_timeout(ar->event_wq,
						    test_bit(WMI_READY,
							     &ar->flag),
						    WMI_TIMEOUT);

	ath6kl_dbg(ATH6KL_DBG_BOOT, "firmware booted\n");

1582 1583

	if (test_and_clear_bit(FIRST_BOOT, &ar->flag)) {
1584
		ath6kl_info("%s %s fw %s api %d%s\n",
1585 1586 1587
			    ar->hw.name,
			    ath6kl_init_get_hif_name(ar->hif_type),
			    ar->wiphy->fw_version,
1588
			    ar->fw_api,
1589 1590 1591
			    test_bit(TESTMODE, &ar->flag) ? " testmode" : "");
	}

1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611
	if (ar->version.abi_ver != ATH6KL_ABI_VERSION) {
		ath6kl_err("abi version mismatch: host(0x%x), target(0x%x)\n",
			   ATH6KL_ABI_VERSION, ar->version.abi_ver);
		ret = -EIO;
		goto err_htc_stop;
	}

	if (!timeleft || signal_pending(current)) {
		ath6kl_err("wmi is not ready or wait was interrupted\n");
		ret = -EIO;
		goto err_htc_stop;
	}

	ath6kl_dbg(ATH6KL_DBG_TRC, "%s: wmi is ready\n", __func__);

	/* communicate the wmi protocol verision to the target */
	/* FIXME: return error */
	if ((ath6kl_set_host_app_area(ar)) != 0)
		ath6kl_err("unable to set the host app area\n");

1612
	for (i = 0; i < ar->vif_max; i++) {
1613 1614 1615 1616 1617
		ret = ath6kl_target_config_wlan_params(ar, i);
		if (ret)
			goto err_htc_stop;
	}

1618 1619
	ar->state = ATH6KL_STATE_ON;

1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631
	return 0;

err_htc_stop:
	ath6kl_htc_stop(ar->htc_target);
err_cleanup_scatter:
	ath6kl_hif_cleanup_scatter(ar);
err_power_off:
	ath6kl_hif_power_off(ar);

	return ret;
}

1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647
int ath6kl_init_hw_stop(struct ath6kl *ar)
{
	int ret;

	ath6kl_dbg(ATH6KL_DBG_BOOT, "hw stop\n");

	ath6kl_htc_stop(ar->htc_target);

	ath6kl_hif_stop(ar);

	ath6kl_bmi_reset(ar);

	ret = ath6kl_hif_power_off(ar);
	if (ret)
		ath6kl_warn("failed to power off hif: %d\n", ret);

1648 1649
	ar->state = ATH6KL_STATE_OFF;

1650 1651 1652
	return 0;
}

1653
/* FIXME: move this to cfg80211.c and rename to ath6kl_cfg80211_vif_stop() */
1654
void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready)
1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681
{
	static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
	bool discon_issued;

	netif_stop_queue(vif->ndev);

	clear_bit(WLAN_ENABLED, &vif->flags);

	if (wmi_ready) {
		discon_issued = test_bit(CONNECTED, &vif->flags) ||
				test_bit(CONNECT_PEND, &vif->flags);
		ath6kl_disconnect(vif);
		del_timer(&vif->disconnect_timer);

		if (discon_issued)
			ath6kl_disconnect_event(vif, DISCONNECT_CMD,
						(vif->nw_type & AP_NETWORK) ?
						bcast_mac : vif->bssid,
						0, NULL, 0);
	}

	if (vif->scan_req) {
		cfg80211_scan_done(vif->scan_req, true);
		vif->scan_req = NULL;
	}
}

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void ath6kl_stop_txrx(struct ath6kl *ar)
{
1684
	struct ath6kl_vif *vif, *tmp_vif;
1685
	int i;
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1686 1687 1688 1689 1690 1691 1692 1693

	set_bit(DESTROY_IN_PROGRESS, &ar->flag);

	if (down_interruptible(&ar->sem)) {
		ath6kl_err("down_interruptible failed\n");
		return;
	}

1694 1695 1696
	for (i = 0; i < AP_MAX_NUM_STA; i++)
		aggr_reset_state(ar->sta_list[i].aggr_conn);

1697
	spin_lock_bh(&ar->list_lock);
1698 1699
	list_for_each_entry_safe(vif, tmp_vif, &ar->vif_list, list) {
		list_del(&vif->list);
1700
		spin_unlock_bh(&ar->list_lock);
1701
		ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag));
1702
		rtnl_lock();
1703
		ath6kl_cfg80211_vif_cleanup(vif);
1704
		rtnl_unlock();
1705
		spin_lock_bh(&ar->list_lock);
1706
	}
1707
	spin_unlock_bh(&ar->list_lock);
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1709
	clear_bit(WMI_READY, &ar->flag);
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1711 1712 1713 1714 1715 1716 1717 1718 1719 1720
	/*
	 * After wmi_shudown all WMI events will be dropped. We
	 * need to cleanup the buffers allocated in AP mode and
	 * give disconnect notification to stack, which usually
	 * happens in the disconnect_event. Simulate the disconnect
	 * event by calling the function directly. Sometimes
	 * disconnect_event will be received when the debug logs
	 * are collected.
	 */
	ath6kl_wmi_shutdown(ar->wmi);
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1722 1723 1724 1725
	clear_bit(WMI_ENABLED, &ar->flag);
	if (ar->htc_target) {
		ath6kl_dbg(ATH6KL_DBG_TRC, "%s: shut down htc\n", __func__);
		ath6kl_htc_stop(ar->htc_target);
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1726 1727
	}

1728 1729 1730 1731 1732 1733 1734
	/*
	 * Try to reset the device if we can. The driver may have been
	 * configure NOT to reset the target during a debug session.
	 */
	ath6kl_dbg(ATH6KL_DBG_TRC,
			"attempting to reset target on instance destroy\n");
	ath6kl_reset_device(ar, ar->target_type, true, true);
1735

1736
	clear_bit(WLAN_ENABLED, &ar->flag);
1737 1738

	up(&ar->sem);
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}
1740
EXPORT_SYMBOL(ath6kl_stop_txrx);
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