| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Kalle Valo | 5624 | 72.58% | 52 | 44.83% |
| Vasanthakumar Thiagarajan | 600 | 7.74% | 27 | 23.28% |
| Alex Yang | 354 | 4.57% | 1 | 0.86% |
| Jessica Wu | 217 | 2.80% | 2 | 1.72% |
| Sam Leffler | 163 | 2.10% | 1 | 0.86% |
| Kevin Fang | 112 | 1.45% | 1 | 0.86% |
| Bala Shanmugam | 95 | 1.23% | 2 | 1.72% |
| Ryan Hsu | 95 | 1.23% | 1 | 0.86% |
| Jouni Malinen | 83 | 1.07% | 2 | 1.72% |
| Ben Greear | 75 | 0.97% | 2 | 1.72% |
| Ray Chen | 72 | 0.93% | 1 | 0.86% |
| Raja Mani | 47 | 0.61% | 3 | 2.59% |
| Steve deRosier | 38 | 0.49% | 2 | 1.72% |
| Naveen Singh | 37 | 0.48% | 1 | 0.86% |
| Thomas Pedersen | 33 | 0.43% | 2 | 1.72% |
| Frederic Danis | 32 | 0.41% | 1 | 0.86% |
| Prasanna Kumar | 16 | 0.21% | 1 | 0.86% |
| Vivek Natarajan | 15 | 0.19% | 1 | 0.86% |
| Mohammed Shafi Shajakhan | 14 | 0.18% | 4 | 3.45% |
| Joe Perches | 7 | 0.09% | 1 | 0.86% |
| Myoungje Kim | 5 | 0.06% | 1 | 0.86% |
| Julia Lawall | 5 | 0.06% | 1 | 0.86% |
| Stephen Rothwell | 3 | 0.04% | 1 | 0.86% |
| Sangwook Lee | 3 | 0.04% | 1 | 0.86% |
| Rusty Russell | 1 | 0.01% | 1 | 0.86% |
| Rob Herring | 1 | 0.01% | 1 | 0.86% |
| Edward Lu | 1 | 0.01% | 1 | 0.86% |
| Hans Wennborg | 1 | 0.01% | 1 | 0.86% |
| Total | 7749 | 116 |
/* * 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. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/moduleparam.h> #include <linux/errno.h> #include <linux/export.h> #include <linux/of.h> #include <linux/mmc/sdio_func.h> #include <linux/vmalloc.h> #include "core.h" #include "cfg80211.h" #include "target.h" #include "debug.h" #include "hif-ops.h" #include "htc-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, .flags = ATH6KL_HW_SDIO_CRC_ERROR_WAR, /* 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, .flags = ATH6KL_HW_SDIO_CRC_ERROR_WAR, .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, .flags = 0, .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, .flags = 0, .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, }, { .id = AR6004_HW_1_2_VERSION, .name = "ar6004 hw 1.2", .dataset_patch_addr = 0x436ecc, .app_load_addr = 0x1234, .board_ext_data_addr = 0x437000, .reserved_ram_size = 9216, .board_addr = 0x435c00, .refclk_hz = 40000000, .uarttx_pin = 11, .flags = 0, .fw = { .dir = AR6004_HW_1_2_FW_DIR, .fw = AR6004_HW_1_2_FIRMWARE_FILE, }, .fw_board = AR6004_HW_1_2_BOARD_DATA_FILE, .fw_default_board = AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE, }, { .id = AR6004_HW_1_3_VERSION, .name = "ar6004 hw 1.3", .dataset_patch_addr = 0x437860, .app_load_addr = 0x1234, .board_ext_data_addr = 0x437000, .reserved_ram_size = 7168, .board_addr = 0x436400, .refclk_hz = 0, .uarttx_pin = 11, .flags = 0, .fw = { .dir = AR6004_HW_1_3_FW_DIR, .fw = AR6004_HW_1_3_FIRMWARE_FILE, .tcmd = AR6004_HW_1_3_TCMD_FIRMWARE_FILE, .utf = AR6004_HW_1_3_UTF_FIRMWARE_FILE, .testscript = AR6004_HW_1_3_TESTSCRIPT_FILE, }, .fw_board = AR6004_HW_1_3_BOARD_DATA_FILE, .fw_default_board = AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE, }, { .id = AR6004_HW_3_0_VERSION, .name = "ar6004 hw 3.0", .dataset_patch_addr = 0, .app_load_addr = 0x1234, .board_ext_data_addr = 0, .reserved_ram_size = 7168, .board_addr = 0x436400, .testscript_addr = 0, .uarttx_pin = 11, .flags = 0, .fw = { .dir = AR6004_HW_3_0_FW_DIR, .fw = AR6004_HW_3_0_FIRMWARE_FILE, .tcmd = AR6004_HW_3_0_TCMD_FIRMWARE_FILE, .utf = AR6004_HW_3_0_UTF_FIRMWARE_FILE, .testscript = AR6004_HW_3_0_TESTSCRIPT_FILE, }, .fw_board = AR6004_HW_3_0_BOARD_DATA_FILE, .fw_default_board = AR6004_HW_3_0_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 = roundup((2 * L1_CACHE_BYTES) + ATH6KL_DATA_OFFSET + sizeof(struct htc_packet) + ATH6KL_HTC_ALIGN_BYTES, 4); 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.tx_comp_multi = ath6kl_tx_complete; 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 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_hi32(ar, hi_mbox_io_block_sz, blk_size); 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_hi32(ar, hi_mbox_isr_yield_limit, mbox_isr_yield_val); 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 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. */ ret = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, idx, ar->rx_meta_ver, 0, 0); if (ret) { ath6kl_err("unable to set the rx frame format: %d\n", ret); return ret; } if (ar->conf_flags & ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN) { ret = ath6kl_wmi_pmparams_cmd(ar->wmi, idx, 0, 1, 0, 0, 1, IGNORE_PS_FAIL_DURING_SCAN); if (ret) { ath6kl_err("unable to set power save fail event policy: %d\n", ret); return ret; } } if (!(ar->conf_flags & ATH6KL_CONF_IGNORE_ERP_BARKER)) { ret = ath6kl_wmi_set_lpreamble_cmd(ar->wmi, idx, 0, WMI_FOLLOW_BARKER_IN_ERP); if (ret) { ath6kl_err("unable to set barker preamble policy: %d\n", ret); return ret; } } ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, idx, WLAN_CONFIG_KEEP_ALIVE_INTERVAL); if (ret) { ath6kl_err("unable to set keep alive interval: %d\n", ret); return ret; } ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, idx, WLAN_CONFIG_DISCONNECT_TIMEOUT); if (ret) { ath6kl_err("unable to set disconnect timeout: %d\n", ret); return ret; } if (!(ar->conf_flags & ATH6KL_CONF_ENABLE_TX_BURST)) { ret = ath6kl_wmi_set_wmm_txop(ar->wmi, idx, WMI_TXOP_DISABLED); if (ret) { ath6kl_err("unable to set txop bursting: %d\n", ret); return ret; } } 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 ret; } 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_hi32(ar, hi_serial_enable, param)) { 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); /* * Submodes when fw does not support dynamic interface * switching: * vif[0] - AP/STA/IBSS * vif[1] - "P2P dev"/"P2P GO"/"P2P Client" * vif[2] - "P2P dev"/"P2P GO"/"P2P Client" * Otherwise, All the interface are initialized to p2p dev. */ if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, ar->fw_capabilities)) { for (i = 0; i < ar->vif_max; i++) fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV << (i * HI_OPTION_FW_SUBMODE_BITS); } else { 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; } if (ath6kl_bmi_write_hi32(ar, hi_app_host_interest, HTC_PROTOCOL_VERSION) != 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_hi32(ar, hi_option_flag, ¶m) != 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_hi32(ar, hi_option_flag, param) != 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. */ if ((ar->target_type == TARGET_TYPE_AR6003) || (ar->version.target_ver == AR6004_HW_1_3_VERSION) || (ar->version.target_ver == AR6004_HW_3_0_VERSION)) { param = ar->hw.board_ext_data_addr; ram_reserved_size = ar->hw.reserved_ram_size; if (ath6kl_bmi_write_hi32(ar, hi_board_ext_data, param) != 0) { ath6kl_err("bmi_write_memory for hi_board_ext_data failed\n"); return -EIO; } if (ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz, ram_reserved_size) != 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 */ status = ath6kl_bmi_write_hi32(ar, hi_dbg_uart_txpin, ar->hw.uarttx_pin); if (status) return status; /* Only set the baud rate if we're actually doing debug */ if (ar->conf_flags & ATH6KL_CONF_UART_DEBUG) { status = ath6kl_bmi_write_hi32(ar, hi_desired_baud_rate, ar->hw.uarttx_rate); if (status) return status; } /* Configure target refclk_hz */ if (ar->hw.refclk_hz != 0) { status = ath6kl_bmi_write_hi32(ar, hi_refclk_hz, ar->hw.refclk_hz); 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 %pOFn node.\n", board_id_prop, node); 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; } of_node_put(node); 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) { ath6kl_err("Failed request firmware, rv: %d\n", 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) { ath6kl_err("Magic length is invalid, len: %zd magic_len: %zd\n", len, magic_len); ret = -EINVAL; goto out; } if (memcmp(data, ATH6KL_FIRMWARE_MAGIC, magic_len) != 0) { ath6kl_err("Magic is invalid, magic_len: %zd\n", magic_len); 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); ath6kl_dbg(ATH6KL_DBG_BOOT, "ie-id: %d len: %zd (0x%zx)\n", ie_id, ie_len, ie_len); if (len < ie_len) { ath6kl_err("IE len is invalid, len: %zd ie_len: %zd ie-id: %d\n", len, ie_len, ie_id); ret = -EINVAL; goto out; } switch (ie_id) { case ATH6KL_FW_IE_FW_VERSION: strlcpy(ar->wiphy->fw_version, data, min(sizeof(ar->wiphy->fw_version), ie_len+1)); ath6kl_dbg(ATH6KL_DBG_BOOT, "found fw version %s\n", ar->wiphy->fw_version); break; 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) { ath6kl_err("fw_otp cannot be allocated\n"); 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 = vmalloc(ie_len); if (ar->fw == NULL) { ath6kl_err("fw storage cannot be allocated, len: %zd\n", ie_len); ret = -ENOMEM; goto out; } memcpy(ar->fw, data, ie_len); 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) { ath6kl_err("fw_patch storage cannot be allocated, len: %zd\n", ie_len); 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 %d\n", ar->hw.reserved_ram_size); break; case ATH6KL_FW_IE_CAPABILITIES: 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 (index == ie_len) break; 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_API5_FILE); if (ret == 0) { ar->fw_api = 5; goto out; } ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API4_FILE); if (ret == 0) { ar->fw_api = 4; goto out; } 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_hi32(ar, hi_board_data, board_address); } else { ret = ath6kl_bmi_read_hi32(ar, hi_board_data, &board_address); if (ret) { ath6kl_err("Failed to get board file target address.\n"); return ret; } } /* determine where in target ram to write extended board data */ ret = ath6kl_bmi_read_hi32(ar, hi_board_ext_data, &board_ext_address); if (ret) { ath6kl_err("Failed to get extended board file target address.\n"); return ret; } 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; if (ar->fw_board_len > (board_data_size + board_ext_data_size)) board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ_V2; 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; } 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_hi32(ar, hi_board_ext_data_config, param); } 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 */ if ((ar->version.target_ver == AR6004_HW_1_3_VERSION) || (ar->version.target_ver == AR6004_HW_3_0_VERSION)) param = board_data_size; else param = 1; ath6kl_bmi_write_hi32(ar, hi_board_data_initialized, param); 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_hi32(ar, hi_app_start, &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; 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; } ath6kl_bmi_write_hi32(ar, hi_dset_list_head, address); return 0; } static int ath6kl_upload_testscript(struct ath6kl *ar) { u32 address; 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; } ath6kl_bmi_write_hi32(ar, hi_ota_testscript, address); if ((ar->version.target_ver != AR6004_HW_1_3_VERSION) && (ar->version.target_ver != AR6004_HW_3_0_VERSION)) ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz, 4096); ath6kl_bmi_write_hi32(ar, hi_test_apps_related, 1); 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->hw.flags & ATH6KL_HW_SDIO_CRC_ERROR_WAR) { ath6kl_err("temporary war to avoid sdio crc error\n"); param = 0x28; address = GPIO_BASE_ADDRESS + GPIO_PIN9_ADDRESS; status = ath6kl_bmi_reg_write(ar, address, param); if (status) return status; 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; } static const struct fw_capa_str_map { int id; const char *name; } fw_capa_map[] = { { ATH6KL_FW_CAPABILITY_HOST_P2P, "host-p2p" }, { ATH6KL_FW_CAPABILITY_SCHED_SCAN, "sched-scan" }, { ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, "sta-p2pdev-duplex" }, { ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, "inactivity-timeout" }, { ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, "rsn-cap-override" }, { ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, "wow-mc-filter" }, { ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, "bmiss-enhance" }, { ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, "sscan-match-list" }, { ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, "rssi-scan-thold" }, { ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, "custom-mac-addr" }, { ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, "tx-err-notify" }, { ATH6KL_FW_CAPABILITY_REGDOMAIN, "regdomain" }, { ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, "sched-scan-v2" }, { ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL, "hb-poll" }, { ATH6KL_FW_CAPABILITY_64BIT_RATES, "64bit-rates" }, { ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS, "ap-inactivity-mins" }, { ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, "map-lp-endpoint" }, { ATH6KL_FW_CAPABILITY_RATETABLE_MCS15, "ratetable-mcs15" }, { ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM, "no-ip-checksum" }, }; static const char *ath6kl_init_get_fw_capa_name(unsigned int id) { int i; for (i = 0; i < ARRAY_SIZE(fw_capa_map); i++) { if (fw_capa_map[i].id == id) return fw_capa_map[i].name; } return "<unknown>"; } static void ath6kl_init_get_fwcaps(struct ath6kl *ar, char *buf, size_t buf_len) { u8 *data = (u8 *) ar->fw_capabilities; size_t trunc_len, len = 0; int i, index, bit; char *trunc = "..."; for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) { index = i / 8; bit = i % 8; if (index >= sizeof(ar->fw_capabilities) * 4) break; if (buf_len - len < 4) { ath6kl_warn("firmware capability buffer too small!\n"); /* add "..." to the end of string */ trunc_len = strlen(trunc) + 1; strncpy(buf + buf_len - trunc_len, trunc, trunc_len); return; } if (data[index] & (1 << bit)) { len += scnprintf(buf + len, buf_len - len, "%s,", ath6kl_init_get_fw_capa_name(i)); } } /* overwrite the last comma */ if (len > 0) len--; buf[len] = '\0'; } static int ath6kl_init_hw_reset(struct ath6kl *ar) { ath6kl_dbg(ATH6KL_DBG_BOOT, "cold resetting the device"); return ath6kl_diag_write32(ar, RESET_CONTROL_ADDRESS, cpu_to_le32(RESET_CONTROL_COLD_RST)); } static int __ath6kl_init_hw_start(struct ath6kl *ar) { long timeleft; int ret, i; char buf[200]; 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 */ ret = ath6kl_bmi_done(ar); if (ret) 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. */ ret = ath6kl_htc_wait_target(ar->htc_target); if (ret == -ETIMEDOUT) { /* * Most likely USB target is in odd state after reboot and * needs a reset. A cold reset makes the whole device * disappear from USB bus and initialisation starts from * beginning. */ ath6kl_warn("htc wait target timed out, resetting device\n"); ath6kl_init_hw_reset(ar); goto err_power_off; } else if (ret) { ath6kl_err("htc wait target failed: %d\n", ret); goto err_power_off; } ret = ath6kl_init_service_ep(ar); if (ret) { ath6kl_err("Endpoint service initilisation failed: %d\n", ret); goto err_cleanup_scatter; } /* setup credit distribution */ ath6kl_htc_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); if (timeleft <= 0) { clear_bit(WMI_READY, &ar->flag); ath6kl_err("wmi is not ready or wait was interrupted: %ld\n", timeleft); ret = -EIO; goto err_htc_stop; } 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" : ""); ath6kl_init_get_fwcaps(ar, buf, sizeof(buf)); ath6kl_info("firmware supports: %s\n", buf); } 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; } 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; } 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_start(struct ath6kl *ar) { int err; err = __ath6kl_init_hw_start(ar); if (err) return err; ar->state = ATH6KL_STATE_ON; return 0; } static 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); return 0; } int ath6kl_init_hw_stop(struct ath6kl *ar) { int err; err = __ath6kl_init_hw_stop(ar); if (err) return err; ar->state = ATH6KL_STATE_OFF; return 0; } void ath6kl_init_hw_restart(struct ath6kl *ar) { clear_bit(WMI_READY, &ar->flag); ath6kl_cfg80211_stop_all(ar); if (__ath6kl_init_hw_stop(ar)) { ath6kl_dbg(ATH6KL_DBG_RECOVERY, "Failed to stop during fw error recovery\n"); return; } if (__ath6kl_init_hw_start(ar)) { ath6kl_dbg(ATH6KL_DBG_RECOVERY, "Failed to restart during fw error recovery\n"); return; } } 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_cfg80211_vif_stop(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); if (ar->fw_recovery.enable) del_timer_sync(&ar->fw_recovery.hb_timer); /* * 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_init_hw_reset(ar); up(&ar->sem); } EXPORT_SYMBOL(ath6kl_stop_txrx);
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1