| |
| /* |
| * Copyright (c) 2011 Atheros Communications Inc. |
| * Copyright (c) 2011-2012 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/moduleparam.h> |
| #include <linux/errno.h> |
| #include <linux/export.h> |
| #include <linux/of.h> |
| #include <linux/mmc/sdio_func.h> |
| |
| #include "core.h" |
| #include "cfg80211.h" |
| #include "target.h" |
| #include "debug.h" |
| #include "hif-ops.h" |
| |
| static const struct ath6kl_hw hw_list[] = { |
| { |
| .id = AR6003_HW_2_0_VERSION, |
| .name = "ar6003 hw 2.0", |
| .dataset_patch_addr = 0x57e884, |
| .app_load_addr = 0x543180, |
| .board_ext_data_addr = 0x57e500, |
| .reserved_ram_size = 6912, |
| .refclk_hz = 26000000, |
| .uarttx_pin = 8, |
| |
| /* hw2.0 needs override address hardcoded */ |
| .app_start_override_addr = 0x944C00, |
| |
| .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, |
| }, |
| |
| .fw_board = AR6003_HW_2_0_BOARD_DATA_FILE, |
| .fw_default_board = AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE, |
| }, |
| { |
| .id = AR6003_HW_2_1_1_VERSION, |
| .name = "ar6003 hw 2.1.1", |
| .dataset_patch_addr = 0x57ff74, |
| .app_load_addr = 0x1234, |
| .board_ext_data_addr = 0x542330, |
| .reserved_ram_size = 512, |
| .refclk_hz = 26000000, |
| .uarttx_pin = 8, |
| .testscript_addr = 0x57ef74, |
| |
| .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, |
| .utf = AR6003_HW_2_1_1_UTF_FIRMWARE_FILE, |
| .testscript = AR6003_HW_2_1_1_TESTSCRIPT_FILE, |
| }, |
| |
| .fw_board = AR6003_HW_2_1_1_BOARD_DATA_FILE, |
| .fw_default_board = AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE, |
| }, |
| { |
| .id = AR6004_HW_1_0_VERSION, |
| .name = "ar6004 hw 1.0", |
| .dataset_patch_addr = 0x57e884, |
| .app_load_addr = 0x1234, |
| .board_ext_data_addr = 0x437000, |
| .reserved_ram_size = 19456, |
| .board_addr = 0x433900, |
| .refclk_hz = 26000000, |
| .uarttx_pin = 11, |
| |
| .fw = { |
| .dir = AR6004_HW_1_0_FW_DIR, |
| .fw = AR6004_HW_1_0_FIRMWARE_FILE, |
| }, |
| |
| .fw_board = AR6004_HW_1_0_BOARD_DATA_FILE, |
| .fw_default_board = AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE, |
| }, |
| { |
| .id = AR6004_HW_1_1_VERSION, |
| .name = "ar6004 hw 1.1", |
| .dataset_patch_addr = 0x57e884, |
| .app_load_addr = 0x1234, |
| .board_ext_data_addr = 0x437000, |
| .reserved_ram_size = 11264, |
| .board_addr = 0x43d400, |
| .refclk_hz = 40000000, |
| .uarttx_pin = 11, |
| |
| .fw = { |
| .dir = AR6004_HW_1_1_FW_DIR, |
| .fw = AR6004_HW_1_1_FIRMWARE_FILE, |
| }, |
| |
| .fw_board = AR6004_HW_1_1_BOARD_DATA_FILE, |
| .fw_default_board = AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE, |
| }, |
| }; |
| |
| /* |
| * 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 + |
| sizeof(struct htc_packet) + ATH6KL_HTC_ALIGN_BYTES; |
| skb = dev_alloc_skb(size + reserved); |
| |
| if (skb) |
| skb_reserve(skb, reserved - L1_CACHE_BYTES); |
| return skb; |
| } |
| |
| void ath6kl_init_profile_info(struct ath6kl_vif *vif) |
| { |
| 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; |
| memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); |
| memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
| memset(vif->bssid, 0, sizeof(vif->bssid)); |
| vif->bss_ch = 0; |
| } |
| |
| 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)); |
| address = TARG_VTOP(ar->target_type, address); |
| |
| if (ath6kl_diag_read32(ar, address, &data)) |
| return -EIO; |
| |
| address = TARG_VTOP(ar->target_type, data); |
| host_app_area.wmi_protocol_ver = cpu_to_le32(WMI_PROTOCOL_VERSION); |
| if (ath6kl_diag_write(ar, address, (u8 *) &host_app_area, |
| sizeof(struct host_app_area))) |
| 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)); |
| |
| status = ath6kl_htc_conn_service(ar->htc_target, con_req, &response); |
| 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; |
| } |
| |
| void ath6kl_init_control_info(struct ath6kl_vif *vif) |
| { |
| ath6kl_init_profile_info(vif); |
| vif->def_txkey_index = 0; |
| memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); |
| vif->ch_hint = 0; |
| } |
| |
| /* |
| * 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; |
| } |
| |
| static int ath6kl_target_config_wlan_params(struct ath6kl *ar, int idx) |
| { |
| int status = 0; |
| int ret; |
| |
| /* |
| * Configure the device for rx dot11 header rules. "0,0" are the |
| * default values. Required if checksum offload is needed. Set |
| * RxMetaVersion to 2. |
| */ |
| if (ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, idx, |
| 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) |
| if ((ath6kl_wmi_pmparams_cmd(ar->wmi, idx, 0, 1, 0, 0, 1, |
| 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)) |
| if ((ath6kl_wmi_set_lpreamble_cmd(ar->wmi, idx, 0, |
| WMI_DONOT_IGNORE_BARKER_IN_ERP)) != 0) { |
| ath6kl_err("unable to set barker preamble policy\n"); |
| status = -EIO; |
| } |
| |
| if (ath6kl_wmi_set_keepalive_cmd(ar->wmi, idx, |
| WLAN_CONFIG_KEEP_ALIVE_INTERVAL)) { |
| ath6kl_err("unable to set keep alive interval\n"); |
| status = -EIO; |
| } |
| |
| if (ath6kl_wmi_disctimeout_cmd(ar->wmi, idx, |
| WLAN_CONFIG_DISCONNECT_TIMEOUT)) { |
| ath6kl_err("unable to set disconnect timeout\n"); |
| status = -EIO; |
| } |
| |
| if (!(ar->conf_flags & ATH6KL_CONF_ENABLE_TX_BURST)) |
| if (ath6kl_wmi_set_wmm_txop(ar->wmi, idx, WMI_TXOP_DISABLED)) { |
| ath6kl_err("unable to set txop bursting\n"); |
| status = -EIO; |
| } |
| |
| if (ar->p2p && (ar->vif_max == 1 || idx)) { |
| ret = ath6kl_wmi_info_req_cmd(ar->wmi, idx, |
| 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); |
| ar->p2p = false; |
| } |
| } |
| |
| if (ar->p2p && (ar->vif_max == 1 || idx)) { |
| /* Enable Probe Request reporting for P2P */ |
| ret = ath6kl_wmi_probe_report_req_cmd(ar->wmi, idx, true); |
| if (ret) { |
| ath6kl_dbg(ATH6KL_DBG_TRC, "failed to enable Probe " |
| "Request reporting (%d)\n", ret); |
| } |
| } |
| |
| return status; |
| } |
| |
| int ath6kl_configure_target(struct ath6kl *ar) |
| { |
| u32 param, ram_reserved_size; |
| u8 fw_iftype, fw_mode = 0, fw_submode = 0; |
| int i, status; |
| |
| param = !!(ar->conf_flags & ATH6KL_CONF_UART_DEBUG); |
| if (ath6kl_bmi_write(ar, ath6kl_get_hi_item_addr(ar, |
| HI_ITEM(hi_serial_enable)), (u8 *)¶m, 4)) { |
| ath6kl_err("bmi_write_memory for uart debug failed\n"); |
| return -EIO; |
| } |
| |
| /* |
| * 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. |
| */ |
| fw_iftype = HI_OPTION_FW_MODE_BSS_STA; |
| |
| for (i = 0; i < ar->vif_max; i++) |
| fw_mode |= fw_iftype << (i * HI_OPTION_FW_MODE_BITS); |
| |
| /* |
| * By default, submodes : |
| * vif[0] - AP/STA/IBSS |
| * vif[1] - "P2P dev"/"P2P GO"/"P2P Client" |
| * vif[2] - "P2P dev"/"P2P GO"/"P2P Client" |
| */ |
| |
| for (i = 0; i < ar->max_norm_iface; i++) |
| fw_submode |= HI_OPTION_FW_SUBMODE_NONE << |
| (i * HI_OPTION_FW_SUBMODE_BITS); |
| |
| for (i = ar->max_norm_iface; i < ar->vif_max; i++) |
| fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV << |
| (i * HI_OPTION_FW_SUBMODE_BITS); |
| |
| if (ar->p2p && ar->vif_max == 1) |
| fw_submode = HI_OPTION_FW_SUBMODE_P2PDEV; |
| |
| param = HTC_PROTOCOL_VERSION; |
| if (ath6kl_bmi_write(ar, |
| ath6kl_get_hi_item_addr(ar, |
| HI_ITEM(hi_app_host_interest)), |
| (u8 *)¶m, 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 *)¶m, 4) != 0) { |
| ath6kl_err("bmi_read_memory for setting fwmode failed\n"); |
| return -EIO; |
| } |
| |
| param |= (ar->vif_max << HI_OPTION_NUM_DEV_SHIFT); |
| param |= fw_mode << HI_OPTION_FW_MODE_SHIFT; |
| param |= fw_submode << HI_OPTION_FW_SUBMODE_SHIFT; |
| |
| 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 *)¶m, |
| 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. |
| */ |
| |
| param = ar->hw.board_ext_data_addr; |
| ram_reserved_size = ar->hw.reserved_ram_size; |
| |
| if (ath6kl_bmi_write(ar, ath6kl_get_hi_item_addr(ar, |
| HI_ITEM(hi_board_ext_data)), |
| (u8 *)¶m, 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; |
| } |
| |
| /* 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; |
| |
| /* 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 *)¶m, 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 *)¶m, 4); |
| if (status) |
| return status; |
| |
| 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; |
| } |
| |
| #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), |
| "%s/bdata.%s.bin", ar->hw.fw.dir, board_id); |
| |
| 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 */ |
| |
| static int ath6kl_fetch_board_file(struct ath6kl *ar) |
| { |
| const char *filename; |
| int ret; |
| |
| if (ar->fw_board != NULL) |
| return 0; |
| |
| if (WARN_ON(ar->hw.fw_board == NULL)) |
| return -EINVAL; |
| |
| filename = ar->hw.fw_board; |
| |
| ret = ath6kl_get_fw(ar, filename, &ar->fw_board, |
| &ar->fw_board_len); |
| if (ret == 0) { |
| /* managed to get proper board file */ |
| return 0; |
| } |
| |
| if (check_device_tree(ar)) { |
| /* got board file from device tree */ |
| return 0; |
| } |
| |
| /* 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); |
| |
| filename = ar->hw.fw_default_board; |
| |
| 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; |
| } |
| |
| static int ath6kl_fetch_otp_file(struct ath6kl *ar) |
| { |
| char filename[100]; |
| int ret; |
| |
| if (ar->fw_otp != NULL) |
| return 0; |
| |
| if (ar->hw.fw.otp == NULL) { |
| ath6kl_dbg(ATH6KL_DBG_BOOT, |
| "no OTP file configured for this hw\n"); |
| return 0; |
| } |
| |
| snprintf(filename, sizeof(filename), "%s/%s", |
| ar->hw.fw.dir, ar->hw.fw.otp); |
| |
| 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; |
| } |
| |
| static int ath6kl_fetch_testmode_file(struct ath6kl *ar) |
| { |
| char filename[100]; |
| int ret; |
| |
| if (ar->testmode == 0) |
| return 0; |
| |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "testmode %d\n", ar->testmode); |
| |
| if (ar->testmode == 2) { |
| if (ar->hw.fw.utf == NULL) { |
| ath6kl_warn("testmode 2 not supported\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| 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; |
| } |
| |
| snprintf(filename, sizeof(filename), "%s/%s", |
| ar->hw.fw.dir, ar->hw.fw.tcmd); |
| } |
| |
| 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; |
| |
| /* FIXME: remove WARN_ON() as we won't support FW API 1 for long */ |
| if (WARN_ON(ar->hw.fw.fw == NULL)) |
| return -EINVAL; |
| |
| snprintf(filename, sizeof(filename), "%s/%s", |
| ar->hw.fw.dir, ar->hw.fw.fw); |
| |
| 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) |
| { |
| char filename[100]; |
| int ret; |
| |
| if (ar->fw_patch != NULL) |
| return 0; |
| |
| if (ar->hw.fw.patch == NULL) |
| return 0; |
| |
| snprintf(filename, sizeof(filename), "%s/%s", |
| ar->hw.fw.dir, ar->hw.fw.patch); |
| |
| 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; |
| } |
| |
| return 0; |
| } |
| |
| static int ath6kl_fetch_testscript_file(struct ath6kl *ar) |
| { |
| char filename[100]; |
| int ret; |
| |
| if (ar->testmode != 2) |
| 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; |
| } |
| |
| static int ath6kl_fetch_fw_api1(struct ath6kl *ar) |
| { |
| 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; |
| |
| ret = ath6kl_fetch_testscript_file(ar); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int ath6kl_fetch_fw_apin(struct ath6kl *ar, const char *name) |
| { |
| size_t magic_len, len, ie_len; |
| const struct firmware *fw; |
| struct ath6kl_fw_ie *hdr; |
| char filename[100]; |
| const u8 *data; |
| int ret, ie_id, i, index, bit; |
| __le32 *val; |
| |
| snprintf(filename, sizeof(filename), "%s/%s", ar->hw.fw.dir, name); |
| |
| 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: |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "found otp image ie (%zd B)\n", |
| ie_len); |
| |
| 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: |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "found fw image ie (%zd B)\n", |
| ie_len); |
| |
| /* in testmode we already might have a fw file */ |
| if (ar->fw != NULL) |
| break; |
| |
| 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: |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "found patch image ie (%zd B)\n", |
| ie_len); |
| |
| 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; |
| case ATH6KL_FW_IE_RESERVED_RAM_SIZE: |
| val = (__le32 *) data; |
| ar->hw.reserved_ram_size = le32_to_cpup(val); |
| |
| ath6kl_dbg(ATH6KL_DBG_BOOT, |
| "found reserved ram size ie 0x%d\n", |
| ar->hw.reserved_ram_size); |
| break; |
| case ATH6KL_FW_IE_CAPABILITIES: |
| if (ie_len < DIV_ROUND_UP(ATH6KL_FW_CAPABILITY_MAX, 8)) |
| break; |
| |
| ath6kl_dbg(ATH6KL_DBG_BOOT, |
| "found firmware capabilities ie (%zd B)\n", |
| ie_len); |
| |
| for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) { |
| index = i / 8; |
| bit = i % 8; |
| |
| if (data[index] & (1 << bit)) |
| __set_bit(i, ar->fw_capabilities); |
| } |
| |
| ath6kl_dbg_dump(ATH6KL_DBG_BOOT, "capabilities", "", |
| ar->fw_capabilities, |
| sizeof(ar->fw_capabilities)); |
| break; |
| case ATH6KL_FW_IE_PATCH_ADDR: |
| if (ie_len != sizeof(*val)) |
| break; |
| |
| val = (__le32 *) data; |
| ar->hw.dataset_patch_addr = le32_to_cpup(val); |
| |
| ath6kl_dbg(ATH6KL_DBG_BOOT, |
| "found patch address ie 0x%x\n", |
| ar->hw.dataset_patch_addr); |
| break; |
| 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; |
| 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); |
| |
| if (ar->vif_max > 1 && !ar->p2p) |
| ar->max_norm_iface = 2; |
| |
| ath6kl_dbg(ATH6KL_DBG_BOOT, |
| "found vif max ie %d\n", ar->vif_max); |
| break; |
| default: |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "Unknown fw ie: %u\n", |
| le32_to_cpup(&hdr->id)); |
| break; |
| } |
| |
| len -= ie_len; |
| data += ie_len; |
| }; |
| |
| ret = 0; |
| out: |
| release_firmware(fw); |
| |
| return ret; |
| } |
| |
| int ath6kl_init_fetch_firmwares(struct ath6kl *ar) |
| { |
| int ret; |
| |
| ret = ath6kl_fetch_board_file(ar); |
| if (ret) |
| return ret; |
| |
| ret = ath6kl_fetch_testmode_file(ar); |
| if (ret) |
| return ret; |
| |
| ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API3_FILE); |
| if (ret == 0) { |
| 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; |
| } |
| |
| ret = ath6kl_fetch_fw_api1(ar); |
| if (ret) |
| return ret; |
| |
| ar->fw_api = 1; |
| |
| out: |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "using fw api %d\n", ar->fw_api); |
| |
| return 0; |
| } |
| |
| static int ath6kl_upload_board_file(struct ath6kl *ar) |
| { |
| u32 board_address, board_ext_address, param; |
| u32 board_data_size, board_ext_data_size; |
| int ret; |
| |
| if (WARN_ON(ar->fw_board == NULL)) |
| return -ENOENT; |
| |
| /* |
| * Determine where in Target RAM to write Board Data. |
| * For AR6004, host determine Target RAM address for |
| * writing board data. |
| */ |
| if (ar->hw.board_addr != 0) { |
| board_address = ar->hw.board_addr; |
| 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); |
| } |
| |
| /* 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); |
| |
| if (ar->target_type == TARGET_TYPE_AR6003 && |
| board_ext_address == 0) { |
| ath6kl_err("Failed to get board file target address.\n"); |
| return -EINVAL; |
| } |
| |
| switch (ar->target_type) { |
| case TARGET_TYPE_AR6003: |
| board_data_size = AR6003_BOARD_DATA_SZ; |
| board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ; |
| 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; |
| } |
| |
| if (board_ext_address && |
| ar->fw_board_len == (board_data_size + board_ext_data_size)) { |
| |
| /* write extended board data */ |
| ath6kl_dbg(ATH6KL_DBG_BOOT, |
| "writing extended board data to 0x%x (%d B)\n", |
| board_ext_address, board_ext_data_size); |
| |
| ret = ath6kl_bmi_write(ar, board_ext_address, |
| ar->fw_board + board_data_size, |
| board_ext_data_size); |
| if (ret) { |
| ath6kl_err("Failed to write extended board data: %d\n", |
| ret); |
| return ret; |
| } |
| |
| /* record that extended board data is initialized */ |
| param = (board_ext_data_size << 16) | 1; |
| |
| ath6kl_bmi_write(ar, |
| ath6kl_get_hi_item_addr(ar, |
| HI_ITEM(hi_board_ext_data_config)), |
| (unsigned char *) ¶m, 4); |
| } |
| |
| if (ar->fw_board_len < board_data_size) { |
| ath6kl_err("Too small board file: %zu\n", ar->fw_board_len); |
| ret = -EINVAL; |
| return ret; |
| } |
| |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "writing board file to 0x%x (%d B)\n", |
| board_address, board_data_size); |
| |
| ret = ath6kl_bmi_write(ar, board_address, ar->fw_board, |
| board_data_size); |
| |
| 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 *)¶m, 4); |
| |
| return ret; |
| } |
| |
| static int ath6kl_upload_otp(struct ath6kl *ar) |
| { |
| u32 address, param; |
| bool from_hw = false; |
| int ret; |
| |
| if (ar->fw_otp == NULL) |
| return 0; |
| |
| address = ar->hw.app_load_addr; |
| |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "writing otp to 0x%x (%zd B)\n", address, |
| ar->fw_otp_len); |
| |
| 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; |
| } |
| |
| /* 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; |
| } |
| |
| if (ar->hw.app_start_override_addr == 0) { |
| ar->hw.app_start_override_addr = address; |
| from_hw = true; |
| } |
| |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "app_start_override_addr%s 0x%x\n", |
| from_hw ? " (from hw)" : "", |
| ar->hw.app_start_override_addr); |
| |
| /* execute the OTP code */ |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "executing OTP at 0x%x\n", |
| ar->hw.app_start_override_addr); |
| param = 0; |
| ath6kl_bmi_execute(ar, ar->hw.app_start_override_addr, ¶m); |
| |
| return ret; |
| } |
| |
| static int ath6kl_upload_firmware(struct ath6kl *ar) |
| { |
| u32 address; |
| int ret; |
| |
| if (WARN_ON(ar->fw == NULL)) |
| return 0; |
| |
| address = ar->hw.app_load_addr; |
| |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "writing firmware to 0x%x (%zd B)\n", |
| address, ar->fw_len); |
| |
| 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; |
| } |
| |
| /* |
| * Set starting address for firmware |
| * Don't need to setup app_start override addr on AR6004 |
| */ |
| if (ar->target_type != TARGET_TYPE_AR6004) { |
| address = ar->hw.app_start_override_addr; |
| ath6kl_bmi_set_app_start(ar, address); |
| } |
| return ret; |
| } |
| |
| static int ath6kl_upload_patch(struct ath6kl *ar) |
| { |
| u32 address, param; |
| int ret; |
| |
| if (ar->fw_patch == NULL) |
| return 0; |
| |
| address = ar->hw.dataset_patch_addr; |
| |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "writing patch to 0x%x (%zd B)\n", |
| address, ar->fw_patch_len); |
| |
| 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 *) ¶m, 4); |
| |
| return 0; |
| } |
| |
| static int ath6kl_upload_testscript(struct ath6kl *ar) |
| { |
| u32 address, param; |
| int ret; |
| |
| if (ar->testmode != 2) |
| 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 *) ¶m, 4); |
| |
| param = 4096; |
| ath6kl_bmi_write(ar, |
| ath6kl_get_hi_item_addr(ar, |
| HI_ITEM(hi_end_ram_reserve_sz)), |
| (unsigned char *) ¶m, 4); |
| |
| param = 1; |
| ath6kl_bmi_write(ar, |
| ath6kl_get_hi_item_addr(ar, |
| HI_ITEM(hi_test_apps_related)), |
| (unsigned char *) ¶m, 4); |
| |
| return 0; |
| } |
| |
| static int ath6kl_init_upload(struct ath6kl *ar) |
| { |
| u32 param, options, sleep, address; |
| int status = 0; |
| |
| if (ar->target_type != TARGET_TYPE_AR6003 && |
| ar->target_type != TARGET_TYPE_AR6004) |
| return -EINVAL; |
| |
| /* temporarily disable system sleep */ |
| address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS; |
| status = ath6kl_bmi_reg_read(ar, address, ¶m); |
| 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, ¶m); |
| 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 */ |
| /* 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); |
| |
| if (status) |
| return status; |
| |
| /* 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; |
| } |
| |
| 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 */ |
| if (ar->version.target_ver == AR6003_HW_2_0_VERSION) { |
| 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; |
| |
| /* Download the test script */ |
| status = ath6kl_upload_testscript(ar); |
| if (status) |
| return status; |
| |
| /* 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; |
| } |
| |
| int ath6kl_init_hw_params(struct ath6kl *ar) |
| { |
| const struct ath6kl_hw *uninitialized_var(hw); |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(hw_list); i++) { |
| hw = &hw_list[i]; |
| |
| if (hw->id == ar->version.target_ver) |
| break; |
| } |
| |
| if (i == ARRAY_SIZE(hw_list)) { |
| ath6kl_err("Unsupported hardware version: 0x%x\n", |
| ar->version.target_ver); |
| return -EINVAL; |
| } |
| |
| ar->hw = *hw; |
| |
| 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); |
| ath6kl_dbg(ATH6KL_DBG_BOOT, |
| "refclk_hz %d uarttx_pin %d", |
| ar->hw.refclk_hz, ar->hw.uarttx_pin); |
| |
| return 0; |
| } |
| |
| 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; |
| } |
| |
| int ath6kl_init_hw_start(struct ath6kl *ar) |
| { |
| long timeleft; |
| int ret, i; |
| |
| ath6kl_dbg(ATH6KL_DBG_BOOT, "hw start\n"); |
| |
| 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"); |
| |
| |
| if (test_and_clear_bit(FIRST_BOOT, &ar->flag)) { |
| ath6kl_info("%s %s fw %s api %d%s\n", |
| ar->hw.name, |
| ath6kl_init_get_hif_name(ar->hif_type), |
| ar->wiphy->fw_version, |
| ar->fw_api, |
| test_bit(TESTMODE, &ar->flag) ? " testmode" : ""); |
| } |
| |
| 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"); |
| |
| for (i = 0; i < ar->vif_max; i++) { |
| ret = ath6kl_target_config_wlan_params(ar, i); |
| if (ret) |
| goto err_htc_stop; |
| } |
| |
| ar->state = ATH6KL_STATE_ON; |
| |
| 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; |
| } |
| |
| 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); |
| |
| ar->state = ATH6KL_STATE_OFF; |
| |
| return 0; |
| } |
| |
| /* FIXME: move this to cfg80211.c and rename to ath6kl_cfg80211_vif_stop() */ |
| void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready) |
| { |
| 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; |
| } |
| } |
| |
| void ath6kl_stop_txrx(struct ath6kl *ar) |
| { |
| struct ath6kl_vif *vif, *tmp_vif; |
| int i; |
| |
| set_bit(DESTROY_IN_PROGRESS, &ar->flag); |
| |
| if (down_interruptible(&ar->sem)) { |
| ath6kl_err("down_interruptible failed\n"); |
| return; |
| } |
| |
| for (i = 0; i < AP_MAX_NUM_STA; i++) |
| aggr_reset_state(ar->sta_list[i].aggr_conn); |
| |
| spin_lock_bh(&ar->list_lock); |
| list_for_each_entry_safe(vif, tmp_vif, &ar->vif_list, list) { |
| list_del(&vif->list); |
| spin_unlock_bh(&ar->list_lock); |
| ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); |
| rtnl_lock(); |
| ath6kl_cfg80211_vif_cleanup(vif); |
| rtnl_unlock(); |
| spin_lock_bh(&ar->list_lock); |
| } |
| spin_unlock_bh(&ar->list_lock); |
| |
| clear_bit(WMI_READY, &ar->flag); |
| |
| /* |
| * 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); |
| |
| 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); |
| } |
| |
| /* |
| * 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); |
| |
| clear_bit(WLAN_ENABLED, &ar->flag); |
| } |
| EXPORT_SYMBOL(ath6kl_stop_txrx); |