ASoC: Add a DB1x00 AC97 machine driver

Add a machine driver suitable for the AC97 part on the DB1000/DB1500/DB1100
boards.

Run-tested on DB1500.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/arch/mips/alchemy/devboards/db1x00/platform.c b/arch/mips/alchemy/devboards/db1x00/platform.c
index 978d5ab3d678..7057d28f7301 100644
--- a/arch/mips/alchemy/devboards/db1x00/platform.c
+++ b/arch/mips/alchemy/devboards/db1x00/platform.c
@@ -19,8 +19,11 @@
  */
 
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/platform_device.h>
 
+#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-au1x00/au1000_dma.h>
 #include <asm/mach-au1x00/au1xxx.h>
 #include <asm/mach-db1x00/bcsr.h>
 #include "../platform.h"
@@ -85,6 +88,45 @@
 #endif
 #endif
 
+static struct resource alchemy_ac97c_res[] = {
+        [0] = {
+                .start  = AU1000_AC97_PHYS_ADDR,
+                .end    = AU1000_AC97_PHYS_ADDR + 0xfff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = DMA_ID_AC97C_TX,
+                .end    = DMA_ID_AC97C_TX,
+                .flags  = IORESOURCE_DMA,
+        },
+        [2] = {
+                .start  = DMA_ID_AC97C_RX,
+                .end    = DMA_ID_AC97C_RX,
+                .flags  = IORESOURCE_DMA,
+        },
+};
+
+static struct platform_device alchemy_ac97c_dev = {
+        .name           = "alchemy-ac97c",
+        .id             = -1,
+        .resource       = alchemy_ac97c_res,
+        .num_resources  = ARRAY_SIZE(alchemy_ac97c_res),
+};
+
+static struct platform_device alchemy_ac97c_dma_dev = {
+        .name           = "alchemy-pcm-dma",
+        .id             = 0,
+};
+
+static struct platform_device db1x00_codec_dev = {
+        .name           = "ac97-codec",
+        .id             = -1,
+};
+
+static struct platform_device db1x00_audio_dev = {
+        .name           = "db1000-audio",
+};
+
 static int __init db1xxx_dev_init(void)
 {
 #ifdef DB1XXX_HAS_PCMCIA
@@ -113,6 +155,12 @@ static int __init db1xxx_dev_init(void)
                                     1);
 #endif
         db1x_register_norflash(BOARD_FLASH_SIZE, BOARD_FLASH_WIDTH, F_SWAPPED);
+
+        platform_device_register(&db1x00_codec_dev);
+        platform_device_register(&alchemy_ac97c_dma_dev);
+        platform_device_register(&alchemy_ac97c_dev);
+        platform_device_register(&db1x00_audio_dev);
+
         return 0;
 }
 device_initcall(db1xxx_dev_init);