wlcore/wl12xx: add chip-specific identify chip operation

Move the code that identifies the chip ID and selects the appropriate
firmware to an operation implemented by the lower driver.  Also move
the quirks definitions into wlcore.h and rename to WLCORE_QUIRK_*.

Signed-off-by: Luciano Coelho <coelho@ti.com>

9 files changed, 99 insertions, 69 deletions

diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c
index ea8480c1fae7..83ed48d206b2 100644
--- a/drivers/net/wireless/ti/wl12xx/main.c
+++ b/drivers/net/wireless/ti/wl12xx/main.c
@@ -29,9 +29,6 @@
 
 #include "reg.h"
 
-static struct wlcore_ops wl12xx_ops = {
-};
-
 static struct wlcore_partition_set wl12xx_ptable[PART_TABLE_LEN] = {
         [PART_DOWN] = {
                 .mem = {
@@ -131,6 +128,62 @@ static const int wl12xx_rtable[REG_TABLE_LEN] = {
         [REG_RAW_FW_STATUS_ADDR]        = FW_STATUS_ADDR,
 };
 
+/* TODO: maybe move to a new header file? */
+#define WL127X_FW_NAME_MULTI    "ti-connectivity/wl127x-fw-4-mr.bin"
+#define WL127X_FW_NAME_SINGLE   "ti-connectivity/wl127x-fw-4-sr.bin"
+#define WL127X_PLT_FW_NAME      "ti-connectivity/wl127x-fw-4-plt.bin"
+
+#define WL128X_FW_NAME_MULTI    "ti-connectivity/wl128x-fw-4-mr.bin"
+#define WL128X_FW_NAME_SINGLE   "ti-connectivity/wl128x-fw-4-sr.bin"
+#define WL128X_PLT_FW_NAME      "ti-connectivity/wl128x-fw-4-plt.bin"
+
+static int wl12xx_identify_chip(struct wl1271 *wl)
+{
+        int ret = 0;
+
+        switch (wl->chip.id) {
+        case CHIP_ID_1271_PG10:
+                wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
+                               wl->chip.id);
+
+                wl->quirks |= WLCORE_QUIRK_NO_BLOCKSIZE_ALIGNMENT;
+                wl->plt_fw_name = WL127X_PLT_FW_NAME;
+                wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
+                wl->mr_fw_name = WL127X_FW_NAME_MULTI;
+                break;
+
+        case CHIP_ID_1271_PG20:
+                wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
+                             wl->chip.id);
+
+                wl->quirks |= WLCORE_QUIRK_NO_BLOCKSIZE_ALIGNMENT;
+                wl->plt_fw_name = WL127X_PLT_FW_NAME;
+                wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
+                wl->mr_fw_name = WL127X_FW_NAME_MULTI;
+                break;
+
+        case CHIP_ID_1283_PG20:
+                wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)",
+                             wl->chip.id);
+                wl->plt_fw_name = WL128X_PLT_FW_NAME;
+                wl->sr_fw_name = WL128X_FW_NAME_SINGLE;
+                wl->mr_fw_name = WL128X_FW_NAME_MULTI;
+                break;
+        case CHIP_ID_1283_PG10:
+        default:
+                wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
+                ret = -ENODEV;
+                goto out;
+        }
+
+out:
+        return ret;
+}
+
+static struct wlcore_ops wl12xx_ops = {
+        .identify_chip = wl12xx_identify_chip,
+};
+
 static int __devinit wl12xx_probe(struct platform_device *pdev)
 {
         struct wl1271 *wl;
@@ -180,3 +233,9 @@ module_exit(wl12xx_exit);
 
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
+MODULE_FIRMWARE(WL127X_FW_NAME_SINGLE);
+MODULE_FIRMWARE(WL127X_FW_NAME_MULTI);
+MODULE_FIRMWARE(WL127X_PLT_FW_NAME);
+MODULE_FIRMWARE(WL128X_FW_NAME_SINGLE);
+MODULE_FIRMWARE(WL128X_FW_NAME_MULTI);
+MODULE_FIRMWARE(WL128X_PLT_FW_NAME);
diff --git a/drivers/net/wireless/ti/wl12xx/reg.h b/drivers/net/wireless/ti/wl12xx/reg.h
index c6a474364756..52012ca21c01 100644
--- a/drivers/net/wireless/ti/wl12xx/reg.h
+++ b/drivers/net/wireless/ti/wl12xx/reg.h
@@ -447,7 +447,6 @@ b12-b0 - Supported Rate indicator bits as defined below.
 #define CLK_REQ_OUTN_SEL       0x700
 
 #define WU_COUNTER_PAUSE_VAL 0x3FF
-#define WELP_ARM_COMMAND_VAL 0x4
 
 /* PLL configuration algorithm for wl128x */
 #define SYS_CLK_CFG_REG              0x2200
diff --git a/drivers/net/wireless/ti/wlcore/boot.c b/drivers/net/wireless/ti/wlcore/boot.c
index 69409ecfb0bb..7c72e16432ca 100644
--- a/drivers/net/wireless/ti/wlcore/boot.c
+++ b/drivers/net/wireless/ti/wlcore/boot.c
@@ -58,11 +58,11 @@ static unsigned int wl12xx_get_fw_ver_quirks(struct wl1271 *wl)
         /* 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;
+                quirks |= WLCORE_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;
+                quirks |= WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED;
 
         return quirks;
 }
@@ -641,7 +641,7 @@ static int wl127x_boot_clk(struct wl1271 *wl)
         u32 clk;
 
         if (WL127X_PG_GET_MAJOR(wl->hw_pg_ver) < 3)
-                wl->quirks |= WL12XX_QUIRK_END_OF_TRANSACTION;
+                wl->quirks |= WLCORE_QUIRK_END_OF_TRANSACTION;
 
         if (wl->ref_clock == CONF_REF_CLK_19_2_E ||
             wl->ref_clock == CONF_REF_CLK_38_4_E ||
diff --git a/drivers/net/wireless/ti/wlcore/init.c b/drivers/net/wireless/ti/wlcore/init.c
index f3b606798f14..c146d8ed3054 100644
--- a/drivers/net/wireless/ti/wlcore/init.c
+++ b/drivers/net/wireless/ti/wlcore/init.c
@@ -318,7 +318,7 @@ static int wl12xx_init_fwlog(struct wl1271 *wl)
 {
         int ret;
 
-        if (wl->quirks & WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED)
+        if (wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED)
                 return 0;
 
         ret = wl12xx_cmd_config_fwlog(wl);
@@ -500,7 +500,7 @@ int wl1271_chip_specific_init(struct wl1271 *wl)
         if (wl->chip.id == CHIP_ID_1283_PG20) {
                 u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE;
 
-                if (!(wl->quirks & WL12XX_QUIRK_NO_BLOCKSIZE_ALIGNMENT))
+                if (!(wl->quirks & WLCORE_QUIRK_NO_BLOCKSIZE_ALIGNMENT))
                         /* Enable SDIO padding */
                         host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
 
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index d3fde0ac03c8..95d247198287 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -1055,10 +1055,7 @@ static int wl12xx_fetch_firmware(struct wl1271 *wl, bool plt)
 
         if (plt) {
                 fw_type = WL12XX_FW_TYPE_PLT;
-                if (wl->chip.id == CHIP_ID_1283_PG20)
-                        fw_name = WL128X_PLT_FW_NAME;
-                else
-                        fw_name = WL127X_PLT_FW_NAME;
+                fw_name = wl->plt_fw_name;
         } else {
                 /*
                  * we can't call wl12xx_get_vif_count() here because
@@ -1066,16 +1063,10 @@ static int wl12xx_fetch_firmware(struct wl1271 *wl, bool plt)
                  */
                 if (wl->last_vif_count > 1) {
                         fw_type = WL12XX_FW_TYPE_MULTI;
-                        if (wl->chip.id == CHIP_ID_1283_PG20)
-                                fw_name = WL128X_FW_NAME_MULTI;
-                        else
-                                fw_name = WL127X_FW_NAME_MULTI;
+                        fw_name = wl->mr_fw_name;
                 } else {
                         fw_type = WL12XX_FW_TYPE_NORMAL;
-                        if (wl->chip.id == CHIP_ID_1283_PG20)
-                                fw_name = WL128X_FW_NAME_SINGLE;
-                        else
-                                fw_name = WL127X_FW_NAME_SINGLE;
+                        fw_name = wl->sr_fw_name;
                 }
         }
 
@@ -1182,7 +1173,7 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl)
         u32 first_addr;
         u8 *block;
 
-        if ((wl->quirks & WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED) ||
+        if ((wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) ||
             (wl->conf.fwlog.mode != WL12XX_FWLOG_ON_DEMAND) ||
             (wl->conf.fwlog.mem_blocks == 0))
                 return;
@@ -1356,43 +1347,17 @@ static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt)
          * chip types.
          */
         if (!wl1271_set_block_size(wl))
-                wl->quirks |= WL12XX_QUIRK_NO_BLOCKSIZE_ALIGNMENT;
-
-        switch (wl->chip.id) {
-        case CHIP_ID_1271_PG10:
-                wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
-                               wl->chip.id);
+                wl->quirks |= WLCORE_QUIRK_NO_BLOCKSIZE_ALIGNMENT;
 
-                ret = wl1271_setup(wl);
-                if (ret < 0)
-                        goto out;
-                wl->quirks |= WL12XX_QUIRK_NO_BLOCKSIZE_ALIGNMENT;
-                break;
-
-        case CHIP_ID_1271_PG20:
-                wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
-                             wl->chip.id);
-
-                ret = wl1271_setup(wl);
-                if (ret < 0)
-                        goto out;
-                wl->quirks |= WL12XX_QUIRK_NO_BLOCKSIZE_ALIGNMENT;
-                break;
+        ret = wl->ops->identify_chip(wl);
+        if (ret < 0)
+                goto out;
 
-        case CHIP_ID_1283_PG20:
-                wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)",
-                             wl->chip.id);
+        /* TODO: make sure the lower driver has set things up correctly */
 
-                ret = wl1271_setup(wl);
-                if (ret < 0)
-                        goto out;
-                break;
-        case CHIP_ID_1283_PG10:
-        default:
-                wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
-                ret = -ENODEV;
+        ret = wl1271_setup(wl);
+        if (ret < 0)
                 goto out;
-        }
 
         ret = wl12xx_fetch_firmware(wl, plt);
         if (ret < 0)
diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c
index d7fab4626a1d..71c8d7095059 100644
--- a/drivers/net/wireless/ti/wlcore/rx.c
+++ b/drivers/net/wireless/ti/wlcore/rx.c
@@ -282,7 +282,7 @@ void wl12xx_rx(struct wl1271 *wl, struct wl12xx_fw_status *status)
          * Write the driver's packet counter to the FW. This is only required
          * for older hardware revisions
          */
-        if (wl->quirks & WL12XX_QUIRK_END_OF_TRANSACTION)
+        if (wl->quirks & WLCORE_QUIRK_END_OF_TRANSACTION)
                 wl1271_write32(wl, WL12XX_REG_RX_DRIVER_COUNTER,
                                wl->rx_counter);
 
diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c
index 4e90c07d1ab5..176b9501309f 100644
--- a/drivers/net/wireless/ti/wlcore/tx.c
+++ b/drivers/net/wireless/ti/wlcore/tx.c
@@ -175,7 +175,7 @@ u8 wl12xx_tx_get_hlid(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 static unsigned int wl12xx_calc_packet_alignment(struct wl1271 *wl,
                                                 unsigned int packet_length)
 {
-        if (wl->quirks & WL12XX_QUIRK_NO_BLOCKSIZE_ALIGNMENT)
+        if (wl->quirks & WLCORE_QUIRK_NO_BLOCKSIZE_ALIGNMENT)
                 return ALIGN(packet_length, WL1271_TX_ALIGN_TO);
         else
                 return ALIGN(packet_length, WL12XX_BUS_BLOCK_SIZE);
@@ -767,7 +767,7 @@ out_ack:
                  * Interrupt the firmware with the new packets. This is only
                  * required for older hardware revisions
                  */
-                if (wl->quirks & WL12XX_QUIRK_END_OF_TRANSACTION)
+                if (wl->quirks & WLCORE_QUIRK_END_OF_TRANSACTION)
                         wl1271_write32(wl, WL12XX_HOST_WR_ACCESS,
                                        wl->tx_packets_count);
 
diff --git a/drivers/net/wireless/ti/wlcore/wl12xx.h b/drivers/net/wireless/ti/wlcore/wl12xx.h
index c979920d964d..b4db4cc7443b 100644
--- a/drivers/net/wireless/ti/wlcore/wl12xx.h
+++ b/drivers/net/wireless/ti/wlcore/wl12xx.h
@@ -451,17 +451,6 @@ size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen);
 #define HW_BG_RATES_MASK        0xffff
 #define HW_HT_RATES_OFFSET      16
 
-/* Quirks */
-
-/* Each RX/TX transaction requires an end-of-transaction transfer */
-#define WL12XX_QUIRK_END_OF_TRANSACTION         BIT(0)
-
-/* wl127x and SPI don't support SDIO block size alignment */
-#define WL12XX_QUIRK_NO_BLOCKSIZE_ALIGNMENT     BIT(2)
-
-/* Older firmwares did not implement the FW logger over bus feature */
-#define WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED      BIT(4)
-
 #define WL12XX_HW_BLOCK_SIZE    256
 
 #endif
diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h
index f11e5c6de51f..92455e91b79d 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore.h
@@ -28,6 +28,7 @@
 #include "event.h"
 
 struct wlcore_ops {
+        int (*identify_chip)(struct wl1271 *wl);
 };
 
 enum wlcore_partitions {
@@ -291,6 +292,10 @@ struct wl1271 {
         const struct wlcore_partition_set *ptable;
         /* pointer to the lower driver register table */
         const int *rtable;
+        /* name of the firmwares to load - for PLT, single role, multi-role */
+        const char *plt_fw_name;
+        const char *sr_fw_name;
+        const char *mr_fw_name;
 };
 
 int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev);
@@ -301,6 +306,17 @@ int wlcore_free_hw(struct wl1271 *wl);
 /* Firmware image load chunk size */
 #define CHUNK_SIZE      16384
 
+/* Quirks */
+
+/* Each RX/TX transaction requires an end-of-transaction transfer */
+#define WLCORE_QUIRK_END_OF_TRANSACTION         BIT(0)
+
+/* wl127x and SPI don't support SDIO block size alignment */
+#define WLCORE_QUIRK_NO_BLOCKSIZE_ALIGNMENT     BIT(2)
+
+/* Older firmwares did not implement the FW logger over bus feature */
+#define WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED      BIT(4)
+
 /* TODO: move to the lower drivers when all usages are abstracted */
 #define CHIP_ID_1271_PG10              (0x4030101)
 #define CHIP_ID_1271_PG20              (0x4030111)
@@ -381,4 +397,6 @@ int wlcore_free_hw(struct wl1271 *wl);
 
 #define ECPU_CONTROL_HALT       0x00000101
 
+#define WELP_ARM_COMMAND_VAL    0x4
+
 #endif /* __WLCORE_H__ */