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yaml
---
r: 145009
b: refs/heads/master
c: f492ec9
h: refs/heads/master
i:
  145007: a7d1391
v: v3
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David Brownell authored and Mark Brown committed May 15, 2009
1 parent 19deec7 commit b84625b
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Showing 4 changed files with 82 additions and 15 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a62114cb90a351016121bca02e69d6a9e24afa0e
refs/heads/master: f492ec9f02908579353e31949855f86909a5af14
25 changes: 25 additions & 0 deletions trunk/arch/arm/mach-davinci/include/mach/asp.h
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@@ -0,0 +1,25 @@
/*
* <mach/asp.h> - DaVinci Audio Serial Port support
*/
#ifndef __ASM_ARCH_DAVINCI_ASP_H
#define __ASM_ARCH_DAVINCI_ASP_H

#include <mach/irqs.h>

/* Bases of register banks */
#define DAVINCI_ASP0_BASE 0x01E02000
#define DAVINCI_ASP1_BASE 0x01E04000

/* EDMA channels */
#define DAVINCI_DMA_ASP0_TX 2
#define DAVINCI_DMA_ASP0_RX 3
#define DAVINCI_DMA_ASP1_TX 8
#define DAVINCI_DMA_ASP1_RX 9

/* Interrupts */
#define DAVINCI_ASP0_RX_INT IRQ_MBRINT
#define DAVINCI_ASP0_TX_INT IRQ_MBXINT
#define DAVINCI_ASP1_RX_INT IRQ_MBRINT
#define DAVINCI_ASP1_TX_INT IRQ_MBXINT

#endif /* __ASM_ARCH_DAVINCI_ASP_H */
7 changes: 4 additions & 3 deletions trunk/sound/soc/davinci/Kconfig
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Expand Up @@ -10,13 +10,14 @@ config SND_DAVINCI_SOC_I2S
tristate

config SND_DAVINCI_SOC_EVM
tristate "SoC Audio support for DaVinci EVM"
depends on SND_DAVINCI_SOC && MACH_DAVINCI_EVM
tristate "SoC Audio support for DaVinci DM6446 or DM355 EVM"
depends on SND_DAVINCI_SOC
depends on MACH_DAVINCI_EVM || MACH_DAVINCI_DM355_EVM
select SND_DAVINCI_SOC_I2S
select SND_SOC_TLV320AIC3X
help
Say Y if you want to add support for SoC audio on TI
DaVinci EVM platform.
DaVinci DM6446 or DM355 EVM platforms.

config SND_DAVINCI_SOC_SFFSDR
tristate "SoC Audio support for SFFSDR"
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63 changes: 52 additions & 11 deletions trunk/sound/soc/davinci/davinci-evm.c
Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,11 @@
#include <sound/soc-dapm.h>

#include <asm/dma.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>

#include <mach/asp.h>
#include <mach/edma.h>
#include <mach/mux.h>

#include "../codecs/tlv320aic3x.h"
#include "davinci-pcm.h"
Expand Down Expand Up @@ -150,7 +154,7 @@ static struct snd_soc_card snd_soc_card_evm = {

/* evm audio private data */
static struct aic3x_setup_data evm_aic3x_setup = {
.i2c_bus = 0,
.i2c_bus = 1,
.i2c_address = 0x1b,
};

Expand All @@ -161,36 +165,73 @@ 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_MCBSP_BASE,
.end = DAVINCI_MCBSP_BASE + SZ_8K - 1,
.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 = DM644X_DMACH_MCBSP_TX,
.rx_dma_ch = DM644X_DMACH_MCBSP_RX,
.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,
};

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;
int index;
int ret;

evm_snd_device = platform_device_alloc("soc-audio", 0);
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;
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;
index = 1;
} else
return -EINVAL;

evm_snd_device = platform_device_alloc("soc-audio", index);
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, &evm_snd_data,
sizeof(evm_snd_data));
platform_device_add_data(evm_snd_device, data, sizeof(*data));

ret = platform_device_add_resources(evm_snd_device, evm_snd_resources,
ARRAY_SIZE(evm_snd_resources));
ret = platform_device_add_resources(evm_snd_device, resources,
num_resources);
if (ret) {
platform_device_put(evm_snd_device);
return ret;
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