ASoC: Add machine driver support for DM646x

This patch does the following:
(1) Add support for the DM646x machine
(2) Modifications required to introduce the platform driver model to get
platform data for all the machines including dm355 and dm644x.

Signed-off-by: Steve Chen <schen@mvista.com>
Signed-off-by: Pavel Kiryukhin <pkiryukhin@ru.mvista.com>
Signed-off-by: Naresh Medisetty <naresh@ti.com>
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 48 insertions, 54 deletions

diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c
index 58fd1cbedd88..f3bb6f60f205 100644
--- a/sound/soc/davinci/davinci-evm.c
+++ b/sound/soc/davinci/davinci-evm.c
@@ -27,9 +27,10 @@
 #include <mach/mux.h>
 
 #include "../codecs/tlv320aic3x.h"
+#include "../codecs/spdif_transciever.h"
 #include "davinci-pcm.h"
 #include "davinci-i2s.h"
-
+#include "davinci-mcasp.h"
 
 #define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \
                 SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_IB_NF)
@@ -43,7 +44,7 @@ static int evm_hw_params(struct snd_pcm_substream *substream,
         unsigned sysclk;
 
         /* ASP1 on DM355 EVM is clocked by an external oscillator */
-        if (machine_is_davinci_dm355_evm())
+        if (machine_is_davinci_dm355_evm() || machine_is_davinci_dm6467_evm())
                 sysclk = 27000000;
 
         /* ASP0 in DM6446 EVM is clocked by U55, as configured by
@@ -144,6 +145,24 @@ static struct snd_soc_dai_link evm_dai = {
         .ops = &evm_ops,
 };
 
+static struct snd_soc_dai_link dm6467_evm_dai[] = {
+        {
+                .name = "TLV320AIC3X",
+                .stream_name = "AIC3X",
+                .cpu_dai = &davinci_mcasp_dai[DAVINCI_MCASP_I2S_DAI],
+                .codec_dai = &aic3x_dai,
+                .init = evm_aic3x_init,
+                .ops = &evm_ops,
+        },
+        {
+                .name = "McASP",
+                .stream_name = "spdif",
+                .cpu_dai = &davinci_mcasp_dai[DAVINCI_MCASP_DIT_DAI],
+                .codec_dai = &dit_stub_dai,
+                .ops = &evm_ops,
+        },
+};
+
 /* davinci-evm audio machine driver */
 static struct snd_soc_card snd_soc_card_evm = {
         .name = "DaVinci EVM",
@@ -152,12 +171,26 @@ static struct snd_soc_card snd_soc_card_evm = {
         .num_links = 1,
 };
 
+/* davinci dm6467 evm audio machine driver */
+static struct snd_soc_card dm6467_snd_soc_card_evm = {
+        .name = "DaVinci DM6467 EVM",
+        .platform = &davinci_soc_platform,
+        .dai_link = dm6467_evm_dai,
+        .num_links = ARRAY_SIZE(dm6467_evm_dai),
+};
+
 /* evm audio private data */
 static struct aic3x_setup_data evm_aic3x_setup = {
         .i2c_bus = 1,
         .i2c_address = 0x1b,
 };
 
+/* dm6467 evm audio private data */
+static struct aic3x_setup_data dm6467_evm_aic3x_setup = {
+       .i2c_bus = 1,
+       .i2c_address = 0x18,
+};
+
 /* evm audio subsystem */
 static struct snd_soc_device evm_snd_devdata = {
         .card = &snd_soc_card_evm,
@@ -165,60 +198,30 @@ static struct snd_soc_device evm_snd_devdata = {
         .codec_data = &evm_aic3x_setup,
 };
 
-/* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
-static struct resource evm_snd_resources[] = {
-        {
-                .start = DAVINCI_ASP0_BASE,
-                .end = DAVINCI_ASP0_BASE + SZ_8K - 1,
-                .flags = IORESOURCE_MEM,
-        },
-};
-
-static struct evm_snd_platform_data evm_snd_data = {
-        .tx_dma_ch      = DAVINCI_DMA_ASP0_TX,
-        .rx_dma_ch      = DAVINCI_DMA_ASP0_RX,
-};
-
-/* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
-static struct resource dm335evm_snd_resources[] = {
-        {
-                .start = DAVINCI_ASP1_BASE,
-                .end = DAVINCI_ASP1_BASE + SZ_8K - 1,
-                .flags = IORESOURCE_MEM,
-        },
-};
-
-static struct evm_snd_platform_data dm335evm_snd_data = {
-        .tx_dma_ch      = DAVINCI_DMA_ASP1_TX,
-        .rx_dma_ch      = DAVINCI_DMA_ASP1_RX,
+/* evm audio subsystem */
+static struct snd_soc_device dm6467_evm_snd_devdata = {
+        .card = &dm6467_snd_soc_card_evm,
+        .codec_dev = &soc_codec_dev_aic3x,
+        .codec_data = &dm6467_evm_aic3x_setup,
 };
 
 static struct platform_device *evm_snd_device;
 
 static int __init evm_init(void)
 {
-        struct resource *resources;
-        unsigned num_resources;
-        struct evm_snd_platform_data *data;
+        struct snd_soc_device *evm_snd_dev_data;
         int index;
         int ret;
 
         if (machine_is_davinci_evm()) {
-                davinci_cfg_reg(DM644X_MCBSP);
-
-                resources = evm_snd_resources;
-                num_resources = ARRAY_SIZE(evm_snd_resources);
-                data = &evm_snd_data;
+                evm_snd_dev_data = &evm_snd_devdata;
                 index = 0;
         } else if (machine_is_davinci_dm355_evm()) {
-                /* we don't use ASP1 IRQs, or we'd need to mux them ... */
-                davinci_cfg_reg(DM355_EVT8_ASP1_TX);
-                davinci_cfg_reg(DM355_EVT9_ASP1_RX);
-
-                resources = dm335evm_snd_resources;
-                num_resources = ARRAY_SIZE(dm335evm_snd_resources);
-                data = &dm335evm_snd_data;
+                evm_snd_dev_data = &evm_snd_devdata;
                 index = 1;
+        } else if (machine_is_davinci_dm6467_evm()) {
+                evm_snd_dev_data = &dm6467_evm_snd_devdata;
+                index = 0;
         } else
                 return -EINVAL;
 
@@ -226,17 +229,8 @@ static int __init evm_init(void)
         if (!evm_snd_device)
                 return -ENOMEM;
 
-        platform_set_drvdata(evm_snd_device, &evm_snd_devdata);
-        evm_snd_devdata.dev = &evm_snd_device->dev;
-        platform_device_add_data(evm_snd_device, data, sizeof(*data));
-
-        ret = platform_device_add_resources(evm_snd_device, resources,
-                        num_resources);
-        if (ret) {
-                platform_device_put(evm_snd_device);
-                return ret;
-        }
-
+        platform_set_drvdata(evm_snd_device, evm_snd_dev_data);
+        evm_snd_dev_data->dev = &evm_snd_device->dev;
         ret = platform_device_add(evm_snd_device);
         if (ret)
                 platform_device_put(evm_snd_device);