From: Alan Liu Date: Wed, 28 Oct 2015 19:38:32 +0000 (+0200) Subject: ath10k: add FW API support to test mode X-Git-Tag: v4.4-rc1~141^2~39^2^2~19 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a81a98cee94519807e826e199bb579a546efa289;p=platform%2Fkernel%2Flinux-exynos.git ath10k: add FW API support to test mode Add WMI-TLV and FW API support in ath10k testmode. Ath10k can get right wmi command format from UTF image to communicate UTF firmware. Signed-off-by: Alan Liu Signed-off-by: Kalle Valo --- diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index e70e715..519a1b9 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -569,8 +569,8 @@ static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode) } break; case ATH10K_FIRMWARE_MODE_UTF: - data = ar->testmode.utf->data; - data_len = ar->testmode.utf->size; + data = ar->testmode.utf_firmware_data; + data_len = ar->testmode.utf_firmware_len; mode_name = "utf"; break; default: diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 3f88aa0..9bd264f 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -817,9 +817,12 @@ struct ath10k { struct { /* protected by conf_mutex */ const struct firmware *utf; + char utf_version[32]; + const void *utf_firmware_data; + size_t utf_firmware_len; DECLARE_BITMAP(orig_fw_features, ATH10K_FW_FEATURE_COUNT); enum ath10k_fw_wmi_op_version orig_wmi_op_version; - + enum ath10k_fw_wmi_op_version op_version; /* protected by data_lock */ bool utf_monitor; } testmode; diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 2d87737..0c8ea02 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -94,6 +94,7 @@ enum qca6174_chip_id_rev { #define ATH10K_FW_API5_FILE "firmware-5.bin" #define ATH10K_FW_UTF_FILE "utf.bin" +#define ATH10K_FW_UTF_API2_FILE "utf-2.bin" /* includes also the null byte */ #define ATH10K_FIRMWARE_MAGIC "QCA-ATH10K" diff --git a/drivers/net/wireless/ath/ath10k/testmode.c b/drivers/net/wireless/ath/ath10k/testmode.c index b084f88..1d5a2fd 100644 --- a/drivers/net/wireless/ath/ath10k/testmode.c +++ b/drivers/net/wireless/ath/ath10k/testmode.c @@ -139,11 +139,181 @@ static int ath10k_tm_cmd_get_version(struct ath10k *ar, struct nlattr *tb[]) return cfg80211_testmode_reply(skb); } -static int ath10k_tm_cmd_utf_start(struct ath10k *ar, struct nlattr *tb[]) +static int ath10k_tm_fetch_utf_firmware_api_2(struct ath10k *ar) +{ + size_t len, magic_len, ie_len; + struct ath10k_fw_ie *hdr; + char filename[100]; + __le32 *version; + const u8 *data; + int ie_id, ret; + + snprintf(filename, sizeof(filename), "%s/%s", + ar->hw_params.fw.dir, ATH10K_FW_UTF_API2_FILE); + + /* load utf firmware image */ + ret = request_firmware(&ar->testmode.utf, filename, ar->dev); + if (ret) { + ath10k_warn(ar, "failed to retrieve utf firmware '%s': %d\n", + filename, ret); + return ret; + } + + data = ar->testmode.utf->data; + len = ar->testmode.utf->size; + + /* FIXME: call release_firmware() in error cases */ + + /* magic also includes the null byte, check that as well */ + magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1; + + if (len < magic_len) { + ath10k_err(ar, "utf firmware file is too small to contain magic\n"); + ret = -EINVAL; + goto err; + } + + if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) { + ath10k_err(ar, "invalid firmware magic\n"); + ret = -EINVAL; + goto err; + } + + /* jump over the padding */ + magic_len = ALIGN(magic_len, 4); + + len -= magic_len; + data += magic_len; + + /* loop elements */ + while (len > sizeof(struct ath10k_fw_ie)) { + hdr = (struct ath10k_fw_ie *)data; + + ie_id = le32_to_cpu(hdr->id); + ie_len = le32_to_cpu(hdr->len); + + len -= sizeof(*hdr); + data += sizeof(*hdr); + + if (len < ie_len) { + ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n", + ie_id, len, ie_len); + ret = -EINVAL; + goto err; + } + + switch (ie_id) { + case ATH10K_FW_IE_FW_VERSION: + if (ie_len > sizeof(ar->testmode.utf_version) - 1) + break; + + memcpy(ar->testmode.utf_version, data, ie_len); + ar->testmode.utf_version[ie_len] = '\0'; + + ath10k_dbg(ar, ATH10K_DBG_TESTMODE, + "testmode found fw utf version %s\n", + ar->testmode.utf_version); + break; + case ATH10K_FW_IE_TIMESTAMP: + /* ignore timestamp, but don't warn about it either */ + break; + case ATH10K_FW_IE_FW_IMAGE: + ath10k_dbg(ar, ATH10K_DBG_TESTMODE, + "testmode found fw image ie (%zd B)\n", + ie_len); + + ar->testmode.utf_firmware_data = data; + ar->testmode.utf_firmware_len = ie_len; + break; + case ATH10K_FW_IE_WMI_OP_VERSION: + if (ie_len != sizeof(u32)) + break; + version = (__le32 *)data; + ar->testmode.op_version = le32_to_cpup(version); + ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode found fw ie wmi op version %d\n", + ar->testmode.op_version); + break; + default: + ath10k_warn(ar, "Unknown testmode FW IE: %u\n", + le32_to_cpu(hdr->id)); + break; + } + /* jump over the padding */ + ie_len = ALIGN(ie_len, 4); + + len -= ie_len; + data += ie_len; + } + + if (!ar->testmode.utf_firmware_data || !ar->testmode.utf_firmware_len) { + ath10k_err(ar, "No ATH10K_FW_IE_FW_IMAGE found\n"); + ret = -EINVAL; + goto err; + } + + return 0; + +err: + release_firmware(ar->testmode.utf); + + return ret; +} + +static int ath10k_tm_fetch_utf_firmware_api_1(struct ath10k *ar) { char filename[100]; int ret; + snprintf(filename, sizeof(filename), "%s/%s", + ar->hw_params.fw.dir, ATH10K_FW_UTF_FILE); + + /* load utf firmware image */ + ret = request_firmware(&ar->testmode.utf, filename, ar->dev); + if (ret) { + ath10k_warn(ar, "failed to retrieve utf firmware '%s': %d\n", + filename, ret); + return ret; + } + + /* We didn't find FW UTF API 1 ("utf.bin") does not advertise + * firmware features. Do an ugly hack where we force the firmware + * features to match with 10.1 branch so that wmi.c will use the + * correct WMI interface. + */ + + ar->testmode.op_version = ATH10K_FW_WMI_OP_VERSION_10_1; + ar->testmode.utf_firmware_data = ar->testmode.utf->data; + ar->testmode.utf_firmware_len = ar->testmode.utf->size; + + return 0; +} + +static int ath10k_tm_fetch_firmware(struct ath10k *ar) +{ + int ret; + + ret = ath10k_tm_fetch_utf_firmware_api_2(ar); + if (ret == 0) { + ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode using fw utf api 2"); + return 0; + } + + ret = ath10k_tm_fetch_utf_firmware_api_1(ar); + if (ret) { + ath10k_err(ar, "failed to fetch utf firmware binary: %d", ret); + return ret; + } + + ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode using utf api 1"); + + return 0; +} + +static int ath10k_tm_cmd_utf_start(struct ath10k *ar, struct nlattr *tb[]) +{ + const char *ver; + int ret; + ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode cmd utf start\n"); mutex_lock(&ar->conf_mutex); @@ -165,36 +335,27 @@ static int ath10k_tm_cmd_utf_start(struct ath10k *ar, struct nlattr *tb[]) goto err; } - snprintf(filename, sizeof(filename), "%s/%s", - ar->hw_params.fw.dir, ATH10K_FW_UTF_FILE); - - /* load utf firmware image */ - ret = request_firmware(&ar->testmode.utf, filename, ar->dev); + ret = ath10k_tm_fetch_firmware(ar); if (ret) { - ath10k_warn(ar, "failed to retrieve utf firmware '%s': %d\n", - filename, ret); + ath10k_err(ar, "failed to fetch UTF firmware: %d", ret); goto err; } spin_lock_bh(&ar->data_lock); - ar->testmode.utf_monitor = true; - spin_unlock_bh(&ar->data_lock); - BUILD_BUG_ON(sizeof(ar->fw_features) != sizeof(ar->testmode.orig_fw_features)); memcpy(ar->testmode.orig_fw_features, ar->fw_features, sizeof(ar->fw_features)); ar->testmode.orig_wmi_op_version = ar->wmi.op_version; - - /* utf.bin firmware image does not advertise firmware features. Do - * an ugly hack where we force the firmware features so that wmi.c - * will use the correct WMI interface. - */ memset(ar->fw_features, 0, sizeof(ar->fw_features)); - ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_10_1; + + ar->wmi.op_version = ar->testmode.op_version; + + ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode wmi version %d\n", + ar->wmi.op_version); ret = ath10k_hif_power_up(ar); if (ret) { @@ -212,7 +373,12 @@ static int ath10k_tm_cmd_utf_start(struct ath10k *ar, struct nlattr *tb[]) ar->state = ATH10K_STATE_UTF; - ath10k_info(ar, "UTF firmware started\n"); + if (strlen(ar->testmode.utf_version) > 0) + ver = ar->testmode.utf_version; + else + ver = "API 1"; + + ath10k_info(ar, "UTF firmware %s started\n", ver); mutex_unlock(&ar->conf_mutex); diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index 8f83548..6fbd17b 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -23,6 +23,7 @@ #include "wmi-ops.h" #include "wmi-tlv.h" #include "p2p.h" +#include "testmode.h" /***************/ /* TLV helpers */ @@ -419,6 +420,7 @@ static void ath10k_wmi_tlv_op_rx(struct ath10k *ar, struct sk_buff *skb) { struct wmi_cmd_hdr *cmd_hdr; enum wmi_tlv_event_id id; + bool consumed; cmd_hdr = (struct wmi_cmd_hdr *)skb->data; id = MS(__le32_to_cpu(cmd_hdr->cmd_id), WMI_CMD_HDR_CMD_ID); @@ -428,6 +430,18 @@ static void ath10k_wmi_tlv_op_rx(struct ath10k *ar, struct sk_buff *skb) trace_ath10k_wmi_event(ar, id, skb->data, skb->len); + consumed = ath10k_tm_event_wmi(ar, id, skb); + + /* Ready event must be handled normally also in UTF mode so that we + * know the UTF firmware has booted, others we are just bypass WMI + * events to testmode. + */ + if (consumed && id != WMI_TLV_READY_EVENTID) { + ath10k_dbg(ar, ATH10K_DBG_WMI, + "wmi tlv testmode consumed 0x%x\n", id); + goto out; + } + switch (id) { case WMI_TLV_MGMT_RX_EVENTID: ath10k_wmi_event_mgmt_rx(ar, skb);