ath6kl: add support for firmware API 2 format

In the new format all the format images are embedded into one file.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index c6ed1fc..761e550 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -58,6 +58,23 @@
 #define A_DEFAULT_LISTEN_INTERVAL         100
 #define A_MAX_WOW_LISTEN_INTERVAL         1000
 
+/* includes also the null byte */
+#define ATH6KL_FIRMWARE_MAGIC               "QCA-ATH6KL"
+
+enum ath6kl_fw_ie_type {
+       ATH6KL_FW_IE_FW_VERSION = 0,
+       ATH6KL_FW_IE_TIMESTAMP = 1,
+       ATH6KL_FW_IE_OTP_IMAGE = 2,
+       ATH6KL_FW_IE_FW_IMAGE = 3,
+       ATH6KL_FW_IE_PATCH_IMAGE = 4,
+};
+
+struct ath6kl_fw_ie {
+       __le32 id;
+       __le32 len;
+       u8 data[0];
+};
+
 /* AR6003 1.0 definitions */
 #define AR6003_REV1_VERSION                 0x300002ba
 
@@ -68,6 +85,7 @@
 #define AR6003_REV2_FIRMWARE_FILE           "ath6k/AR6003/hw2.0/athwlan.bin.z77"
 #define AR6003_REV2_TCMD_FIRMWARE_FILE      "ath6k/AR6003/hw2.0/athtcmd_ram.bin"
 #define AR6003_REV2_PATCH_FILE              "ath6k/AR6003/hw2.0/data.patch.bin"
+#define AR6003_REV2_FIRMWARE_2_FILE         "ath6k/AR6003/hw2.0/fw-2.bin"
 #define AR6003_REV2_BOARD_DATA_FILE         "ath6k/AR6003/hw2.0/bdata.bin"
 #define AR6003_REV2_DEFAULT_BOARD_DATA_FILE "ath6k/AR6003/hw2.0/bdata.SD31.bin"
 
@@ -77,6 +95,7 @@
 #define AR6003_REV3_FIRMWARE_FILE           "ath6k/AR6003/hw2.1.1/athwlan.bin"
 #define AR6003_REV3_TCMD_FIRMWARE_FILE    "ath6k/AR6003/hw2.1.1/athtcmd_ram.bin"
 #define AR6003_REV3_PATCH_FILE            "ath6k/AR6003/hw2.1.1/data.patch.bin"
+#define AR6003_REV3_FIRMWARE_2_FILE           "ath6k/AR6003/hw2.1.1/fw-2.bin"
 #define AR6003_REV3_BOARD_DATA_FILE       "ath6k/AR6003/hw2.1.1/bdata.bin"
 #define AR6003_REV3_DEFAULT_BOARD_DATA_FILE    \
        "ath6k/AR6003/hw2.1.1/bdata.SD31.bin"
@@ -84,6 +103,7 @@
 /* AR6004 1.0 definitions */
 #define AR6004_REV1_VERSION                 0x30000623
 #define AR6004_REV1_FIRMWARE_FILE           "ath6k/AR6004/hw6.1/fw.ram.bin"
+#define AR6004_REV1_FIRMWARE_2_FILE         "ath6k/AR6004/hw6.1/fw-2.bin"
 #define AR6004_REV1_BOARD_DATA_FILE         "ath6k/AR6004/hw6.1/bdata.bin"
 #define AR6004_REV1_DEFAULT_BOARD_DATA_FILE "ath6k/AR6004/hw6.1/bdata.DB132.bin"
 #define AR6004_REV1_EPPING_FIRMWARE_FILE "ath6k/AR6004/hw6.1/endpointping.bin"

diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
index 4055947..41f4e0d 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
@@ -917,14 +917,10 @@ static int ath6kl_fetch_patch_file(struct ath6kl *ar)
        return 0;
 }
 
-static int ath6kl_fetch_firmwares(struct ath6kl *ar)
+static int ath6kl_fetch_fw_api1(struct ath6kl *ar)
 {
        int ret;
 
-       ret = ath6kl_fetch_board_file(ar);
-       if (ret)
-               return ret;
-
        ret = ath6kl_fetch_otp_file(ar);
        if (ret)
                return ret;
@@ -940,6 +936,136 @@ static int ath6kl_fetch_firmwares(struct ath6kl *ar)
        return 0;
 }
 
+static int ath6kl_fetch_fw_api2(struct ath6kl *ar)
+{
+       size_t magic_len, len, ie_len;
+       const struct firmware *fw;
+       struct ath6kl_fw_ie *hdr;
+       const char *filename;
+       const u8 *data;
+       int ret, ie_id;
+
+       switch (ar->version.target_ver) {
+       case AR6003_REV2_VERSION:
+               filename = AR6003_REV2_FIRMWARE_2_FILE;
+               break;
+       case AR6003_REV3_VERSION:
+               filename = AR6003_REV3_FIRMWARE_2_FILE;
+               break;
+       case AR6004_REV1_VERSION:
+               filename = AR6004_REV1_FIRMWARE_2_FILE;
+               break;
+       default:
+               return -EOPNOTSUPP;
+       }
+
+       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:
+                       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:
+                       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:
+                       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;
+               default:
+                       ath6kl_dbg(ATH6KL_DBG_TRC, "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;
+}
+
+static int ath6kl_fetch_firmwares(struct ath6kl *ar)
+{
+       int ret;
+
+       ret = ath6kl_fetch_board_file(ar);
+       if (ret)
+               return ret;
+
+       ret = ath6kl_fetch_fw_api2(ar);
+       if (ret == 0)
+               /* fw api 2 found, use it */
+               return 0;
+
+       ret = ath6kl_fetch_fw_api1(ar);
+       if (ret)
+               return ret;
+
+       return 0;
+}
+
 static int ath6kl_upload_board_file(struct ath6kl *ar)
 {
        u32 board_address, board_ext_address, param;