wl12xx: Support routing FW logs to the host

[pandora-kernel.git] / drivers / net / wireless / wl12xx / boot.c

diff --git a/drivers/net/wireless/wl12xx/boot.c b/drivers/net/wireless/wl12xx/boot.c
index 7ccec07..101f7e0 100644 (file)
--- a/drivers/net/wireless/wl12xx/boot.c
+++ b/drivers/net/wireless/wl12xx/boot.c
@@ -102,6 +102,33 @@ static void wl1271_boot_set_ecpu_ctrl(struct wl1271 *wl, u32 flag)
        wl1271_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl);
 }
 
+static unsigned int wl12xx_get_fw_ver_quirks(struct wl1271 *wl)
+{
+       unsigned int quirks = 0;
+       unsigned int *fw_ver = wl->chip.fw_ver;
+
+       /* Only for wl127x */
+       if ((fw_ver[FW_VER_CHIP] == FW_VER_CHIP_WL127X) &&
+           /* Check STA version */
+           (((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_STA) &&
+             (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_1_SPARE_STA_MIN)) ||
+            /* Check AP version */
+            ((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_AP) &&
+             (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_1_SPARE_AP_MIN))))
+               quirks |= WL12XX_QUIRK_USE_2_SPARE_BLOCKS;
+
+       /* Only new station firmwares support routing fw logs to the host */
+       if ((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_STA) &&
+           (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_FWLOG_STA_MIN))
+               quirks |= WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED;
+
+       /* This feature is not yet supported for AP mode */
+       if (fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_AP)
+               quirks |= WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED;
+
+       return quirks;
+}
+
 static void wl1271_parse_fw_ver(struct wl1271 *wl)
 {
        int ret;
@@ -116,6 +143,9 @@ static void wl1271_parse_fw_ver(struct wl1271 *wl)
                memset(wl->chip.fw_ver, 0, sizeof(wl->chip.fw_ver));
                return;
        }
+
+       /* Check if any quirks are needed with older fw versions */
+       wl->quirks |= wl12xx_get_fw_ver_quirks(wl);
 }
 
 static void wl1271_boot_fw_version(struct wl1271 *wl)
@@ -749,6 +779,9 @@ int wl1271_load_firmware(struct wl1271 *wl)
                clk |= (wl->ref_clock << 1) << 4;
        }
 
+       if (wl->quirks & WL12XX_QUIRK_LPD_MODE)
+               clk |= SCRATCH_ENABLE_LPD;
+
        wl1271_write32(wl, DRPW_SCRATCH_START, clk);
 
        wl1271_set_partition(wl, &part_table[PART_WORK]);