2 files changed, 38 insertions, 23 deletions

diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 1bc6389b20b..62501d64322 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -27,6 +27,7 @@
 #include <mach/sram.h>
 
 #include <sound/atmel-abdac.h>
+#include <sound/atmel-ac97c.h>
 
 #include <video/atmel_lcdc.h>
 
@@ -1982,11 +1983,14 @@ static struct clk atmel_ac97c0_pclk = {
 };
 
 struct platform_device *__init
-at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data)
+at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
+                      unsigned int flags)
 {
-        struct platform_device *pdev;
-        struct ac97c_platform_data _data;
-        u32 pin_mask;
+        struct platform_device          *pdev;
+        struct dw_dma_slave             *rx_dws;
+        struct dw_dma_slave             *tx_dws;
+        struct ac97c_platform_data      _data;
+        u32                             pin_mask;
 
         if (id != 0)
                 return NULL;
@@ -1997,37 +2001,52 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data)
 
         if (platform_device_add_resources(pdev, atmel_ac97c0_resource,
                                 ARRAY_SIZE(atmel_ac97c0_resource)))
-                goto fail;
+                goto out_free_resources;
 
         if (!data) {
                 data = &_data;
                 memset(data, 0, sizeof(struct ac97c_platform_data));
-                data->reset_pin = GPIO_PIN_NONE;
+                data->reset_pin = -ENODEV;
         }
 
-        data->dma_rx_periph_id = 3;
-        data->dma_tx_periph_id = 4;
-        data->dma_controller_id = 0;
+        rx_dws = &data->rx_dws;
+        tx_dws = &data->tx_dws;
+
+        /* Check if DMA slave interface for capture should be configured. */
+        if (flags & AC97C_CAPTURE) {
+                rx_dws->dma_dev = &dw_dmac0_device.dev;
+                rx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT;
+                rx_dws->cfg_hi = DWC_CFGH_SRC_PER(3);
+                rx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+        }
+
+        /* Check if DMA slave interface for playback should be configured. */
+        if (flags & AC97C_PLAYBACK) {
+                tx_dws->dma_dev = &dw_dmac0_device.dev;
+                tx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT;
+                tx_dws->cfg_hi = DWC_CFGH_DST_PER(4);
+                tx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+        }
 
         if (platform_device_add_data(pdev, data,
                                 sizeof(struct ac97c_platform_data)))
-                goto fail;
+                goto out_free_resources;
 
-        pin_mask  = (1 << 20) | (1 << 21);      /* SDO & SYNC */
-        pin_mask |= (1 << 22) | (1 << 23);      /* SCLK & SDI */
+        /* SDO | SYNC | SCLK | SDI */
+        pin_mask = (1 << 20) | (1 << 21) | (1 << 22) | (1 << 23);
 
         select_peripheral(PIOB, pin_mask, PERIPH_B, 0);
 
-        /* TODO: gpio_is_valid(data->reset_pin) with kernel 2.6.26. */
-        if (data->reset_pin != GPIO_PIN_NONE)
-                at32_select_gpio(data->reset_pin, 0);
+        if (gpio_is_valid(data->reset_pin))
+                at32_select_gpio(data->reset_pin, AT32_GPIOF_OUTPUT
+                                | AT32_GPIOF_HIGH);
 
         atmel_ac97c0_pclk.dev = &pdev->dev;
 
         platform_device_add(pdev);
         return pdev;
 
-fail:
+out_free_resources:
         platform_device_put(pdev);
         return NULL;
 }
diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h
index 63ec4008b25..b363b067b0a 100644
--- a/arch/avr32/mach-at32ap/include/mach/board.h
+++ b/arch/avr32/mach-at32ap/include/mach/board.h
@@ -88,14 +88,10 @@ struct mci_platform_data;
 struct platform_device *
 at32_add_device_mci(unsigned int id, struct mci_platform_data *data);
 
-struct ac97c_platform_data {
-        unsigned short dma_rx_periph_id;
-        unsigned short dma_tx_periph_id;
-        unsigned short dma_controller_id;
-        int reset_pin;
-};
+struct ac97c_platform_data;
 struct platform_device *
-at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data);
+at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
+                      unsigned int flags);
 
 struct atmel_abdac_pdata;
 struct platform_device *