wl18xx: add hw_init operation

Add wl18xx-specific HW initialization operation and create acx.[ch]
files to support that.

Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c
index ae71131a4bba..1e0719c7ccb9 100644
--- a/drivers/net/wireless/ti/wl18xx/main.c
+++ b/drivers/net/wireless/ti/wl18xx/main.c
@@ -33,6 +33,7 @@
 
 #include "reg.h"
 #include "conf.h"
+#include "acx.h"
 #include "tx.h"
 #include "wl18xx.h"
 
@@ -473,6 +474,36 @@ static void wl18xx_tx_immediate_completion(struct wl1271 *wl)
         wl18xx_tx_immediate_complete(wl);
 }
 
+static int wl18xx_hw_init(struct wl1271 *wl)
+{
+        int ret;
+        u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE |
+                HOST_IF_CFG_ADD_RX_ALIGNMENT;
+
+        u32 sdio_align_size = 0;
+
+        /* Enable Tx SDIO padding */
+        if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) {
+                host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
+                sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
+        }
+
+        /* Enable Rx SDIO padding */
+        if (wl->quirks & WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN) {
+                host_cfg_bitmap |= HOST_IF_CFG_RX_PAD_TO_SDIO_BLK;
+                sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
+        }
+
+        ret = wl18xx_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap,
+                                            sdio_align_size,
+                                            WL18XX_TX_HW_BLOCK_SPARE,
+                                            WL18XX_HOST_IF_LEN_SIZE_FIELD);
+        if (ret < 0)
+                return ret;
+
+        return ret;
+}
+
 static struct wlcore_ops wl18xx_ops = {
         .identify_chip  = wl18xx_identify_chip,
         .boot           = wl18xx_boot,
@@ -485,6 +516,7 @@ static struct wlcore_ops wl18xx_ops = {
         .get_rx_packet_len = wl18xx_get_rx_packet_len,
         .tx_immediate_compl = wl18xx_tx_immediate_completion,
         .tx_delayed_compl = NULL,
+        .hw_init        = wl18xx_hw_init,
 };
 
 int __devinit wl18xx_probe(struct platform_device *pdev)