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-rw-r--r--sound/soc/omap/Kconfig16
-rw-r--r--sound/soc/omap/Makefile2
-rw-r--r--sound/soc/omap/am3517evm.c202
-rw-r--r--sound/soc/omap/ams-delta.c4
-rw-r--r--sound/soc/omap/omap-mcbsp.c63
-rw-r--r--sound/soc/omap/omap3evm.c7
-rw-r--r--sound/soc/omap/omap3pandora.c24
-rw-r--r--sound/soc/omap/overo.c4
8 files changed, 275 insertions, 47 deletions
diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig
index 653a362425d..4dc6b15a852 100644
--- a/sound/soc/omap/Kconfig
+++ b/sound/soc/omap/Kconfig
@@ -43,12 +43,13 @@ config SND_OMAP_SOC_OSK5912
Say Y if you want to add support for SoC audio on osk5912.
config SND_OMAP_SOC_OVERO
- tristate "SoC Audio support for Gumstix Overo"
- depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OVERO
+ tristate "SoC Audio support for Gumstix Overo and CompuLab CM-T35"
+ depends on TWL4030_CORE && SND_OMAP_SOC && (MACH_OVERO || MACH_CM_T35)
select SND_OMAP_SOC_MCBSP
select SND_SOC_TWL4030
help
- Say Y if you want to add support for SoC audio on the Gumstix Overo.
+ Say Y if you want to add support for SoC audio on the
+ Gumstix Overo or CompuLab CM-T35
config SND_OMAP_SOC_OMAP2EVM
tristate "SoC Audio support for OMAP2EVM board"
@@ -66,6 +67,15 @@ config SND_OMAP_SOC_OMAP3EVM
help
Say Y if you want to add support for SoC audio on the omap3evm board.
+config SND_OMAP_SOC_AM3517EVM
+ tristate "SoC Audio support for OMAP3517 / AM3517 EVM"
+ depends on SND_OMAP_SOC && MACH_OMAP3517EVM && I2C
+ select SND_OMAP_SOC_MCBSP
+ select SND_SOC_TLV320AIC23
+ help
+ Say Y if you want to add support for SoC audio on the OMAP3517 / AM3517
+ EVM.
+
config SND_OMAP_SOC_SDP3430
tristate "SoC Audio support for Texas Instruments SDP3430"
depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP_3430SDP
diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile
index 02d69471dcb..0c78ae4e6b9 100644
--- a/sound/soc/omap/Makefile
+++ b/sound/soc/omap/Makefile
@@ -12,6 +12,7 @@ snd-soc-osk5912-objs := osk5912.o
snd-soc-overo-objs := overo.o
snd-soc-omap2evm-objs := omap2evm.o
snd-soc-omap3evm-objs := omap3evm.o
+snd-soc-am3517evm-objs := am3517evm.o
snd-soc-sdp3430-objs := sdp3430.o
snd-soc-omap3pandora-objs := omap3pandora.o
snd-soc-omap3beagle-objs := omap3beagle.o
@@ -23,6 +24,7 @@ obj-$(CONFIG_SND_OMAP_SOC_OSK5912) += snd-soc-osk5912.o
obj-$(CONFIG_SND_OMAP_SOC_OVERO) += snd-soc-overo.o
obj-$(CONFIG_MACH_OMAP2EVM) += snd-soc-omap2evm.o
obj-$(CONFIG_MACH_OMAP3EVM) += snd-soc-omap3evm.o
+obj-$(CONFIG_MACH_OMAP3517EVM) += snd-soc-am3517evm.o
obj-$(CONFIG_SND_OMAP_SOC_SDP3430) += snd-soc-sdp3430.o
obj-$(CONFIG_SND_OMAP_SOC_OMAP3_PANDORA) += snd-soc-omap3pandora.o
obj-$(CONFIG_SND_OMAP_SOC_OMAP3_BEAGLE) += snd-soc-omap3beagle.o
diff --git a/sound/soc/omap/am3517evm.c b/sound/soc/omap/am3517evm.c
new file mode 100644
index 00000000000..135901b2ea1
--- /dev/null
+++ b/sound/soc/omap/am3517evm.c
@@ -0,0 +1,202 @@
+/*
+ * am3517evm.c -- ALSA SoC support for OMAP3517 / AM3517 EVM
+ *
+ * Author: Anuj Aggarwal <anuj.aggarwal@ti.com>
+ *
+ * Based on sound/soc/omap/beagle.c by Steve Sakoman
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
+ * whether express or implied; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <mach/gpio.h>
+#include <plat/mcbsp.h>
+
+#include "omap-mcbsp.h"
+#include "omap-pcm.h"
+
+#include "../codecs/tlv320aic23.h"
+
+#define CODEC_CLOCK 12000000
+
+static int am3517evm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
+ struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+ int ret;
+
+ /* Set codec DAI configuration */
+ ret = snd_soc_dai_set_fmt(codec_dai,
+ SND_SOC_DAIFMT_DSP_B |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0) {
+ printk(KERN_ERR "can't set codec DAI configuration\n");
+ return ret;
+ }
+
+ /* Set cpu DAI configuration */
+ ret = snd_soc_dai_set_fmt(cpu_dai,
+ SND_SOC_DAIFMT_DSP_B |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0) {
+ printk(KERN_ERR "can't set cpu DAI configuration\n");
+ return ret;
+ }
+
+ /* Set the codec system clock for DAC and ADC */
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0,
+ CODEC_CLOCK, SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ printk(KERN_ERR "can't set codec system clock\n");
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_CLKR_SRC_CLKX, 0,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ printk(KERN_ERR "can't set CPU system clock OMAP_MCBSP_CLKR_SRC_CLKX\n");
+ return ret;
+ }
+
+ snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_FSR_SRC_FSX, 0,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ printk(KERN_ERR "can't set CPU system clock OMAP_MCBSP_FSR_SRC_FSX\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct snd_soc_ops am3517evm_ops = {
+ .hw_params = am3517evm_hw_params,
+};
+
+/* am3517evm machine dapm widgets */
+static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Line Out", NULL),
+ SND_SOC_DAPM_LINE("Line In", NULL),
+ SND_SOC_DAPM_MIC("Mic In", NULL),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ /* Line Out connected to LLOUT, RLOUT */
+ {"Line Out", NULL, "LOUT"},
+ {"Line Out", NULL, "ROUT"},
+
+ {"LLINEIN", NULL, "Line In"},
+ {"RLINEIN", NULL, "Line In"},
+
+ {"MICIN", NULL, "Mic In"},
+};
+
+static int am3517evm_aic23_init(struct snd_soc_codec *codec)
+{
+ /* Add am3517-evm specific widgets */
+ snd_soc_dapm_new_controls(codec, tlv320aic23_dapm_widgets,
+ ARRAY_SIZE(tlv320aic23_dapm_widgets));
+
+ /* Set up davinci-evm specific audio path audio_map */
+ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+
+ /* always connected */
+ snd_soc_dapm_enable_pin(codec, "Line Out");
+ snd_soc_dapm_enable_pin(codec, "Line In");
+ snd_soc_dapm_enable_pin(codec, "Mic In");
+
+ snd_soc_dapm_sync(codec);
+
+ return 0;
+}
+
+/* Digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link am3517evm_dai = {
+ .name = "TLV320AIC23",
+ .stream_name = "AIC23",
+ .cpu_dai = &omap_mcbsp_dai[0],
+ .codec_dai = &tlv320aic23_dai,
+ .init = am3517evm_aic23_init,
+ .ops = &am3517evm_ops,
+};
+
+/* Audio machine driver */
+static struct snd_soc_card snd_soc_am3517evm = {
+ .name = "am3517evm",
+ .platform = &omap_soc_platform,
+ .dai_link = &am3517evm_dai,
+ .num_links = 1,
+};
+
+/* Audio subsystem */
+static struct snd_soc_device am3517evm_snd_devdata = {
+ .card = &snd_soc_am3517evm,
+ .codec_dev = &soc_codec_dev_tlv320aic23,
+};
+
+static struct platform_device *am3517evm_snd_device;
+
+static int __init am3517evm_soc_init(void)
+{
+ int ret;
+
+ if (!machine_is_omap3517evm()) {
+ pr_err("Not OMAP3517 / AM3517 EVM!\n");
+ return -ENODEV;
+ }
+ pr_info("OMAP3517 / AM3517 EVM SoC init\n");
+
+ am3517evm_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!am3517evm_snd_device) {
+ printk(KERN_ERR "Platform device allocation failed\n");
+ return -ENOMEM;
+ }
+
+ platform_set_drvdata(am3517evm_snd_device, &am3517evm_snd_devdata);
+ am3517evm_snd_devdata.dev = &am3517evm_snd_device->dev;
+ *(unsigned int *)am3517evm_dai.cpu_dai->private_data = 0; /* McBSP1 */
+
+ ret = platform_device_add(am3517evm_snd_device);
+ if (ret)
+ goto err1;
+
+ return 0;
+
+err1:
+ printk(KERN_ERR "Unable to add platform device\n");
+ platform_device_put(am3517evm_snd_device);
+
+ return ret;
+}
+
+static void __exit am3517evm_soc_exit(void)
+{
+ platform_device_unregister(am3517evm_snd_device);
+}
+
+module_init(am3517evm_soc_init);
+module_exit(am3517evm_soc_exit);
+
+MODULE_AUTHOR("Anuj Aggarwal <anuj.aggarwal@ti.com>");
+MODULE_DESCRIPTION("ALSA SoC OMAP3517 / AM3517 EVM");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/omap/ams-delta.c b/sound/soc/omap/ams-delta.c
index 5a5166ac727..ae0fc9b135d 100644
--- a/sound/soc/omap/ams-delta.c
+++ b/sound/soc/omap/ams-delta.c
@@ -40,7 +40,7 @@
/* Board specific DAPM widgets */
- const struct snd_soc_dapm_widget ams_delta_dapm_widgets[] = {
+static const struct snd_soc_dapm_widget ams_delta_dapm_widgets[] = {
/* Handset */
SND_SOC_DAPM_MIC("Mouthpiece", NULL),
SND_SOC_DAPM_HP("Earpiece", NULL),
@@ -81,7 +81,7 @@ static const char *ams_delta_audio_mode[] =
(1 << AMS_DELTA_SPEAKER))
#define AMS_DELTA_SPEAKERPHONE (AMS_DELTA_HANDSFREE | (1 << AMS_DELTA_AGC))
-unsigned short ams_delta_audio_mode_pins[] = {
+static const unsigned short ams_delta_audio_mode_pins[] = {
AMS_DELTA_MIXED,
AMS_DELTA_HANDSET,
AMS_DELTA_HANDSFREE,
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 3341f49402c..45be94201c8 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -49,6 +49,8 @@ struct omap_mcbsp_data {
*/
int active;
int configured;
+ unsigned int in_freq;
+ int clk_div;
};
#define to_mcbsp(priv) container_of((priv), struct omap_mcbsp_data, bus_id)
@@ -257,7 +259,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
int dma, bus_id = mcbsp_data->bus_id, id = cpu_dai->id;
int wlen, channels, wpf, sync_mode = OMAP_DMA_SYNC_ELEMENT;
unsigned long port;
- unsigned int format;
+ unsigned int format, div, framesize, master;
if (cpu_class_is_omap1()) {
dma = omap1_dma_reqs[bus_id][substream->stream];
@@ -294,28 +296,19 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
format = mcbsp_data->fmt & SND_SOC_DAIFMT_FORMAT_MASK;
wpf = channels = params_channels(params);
- switch (channels) {
- case 2:
- if (format == SND_SOC_DAIFMT_I2S) {
- /* Use dual-phase frames */
- regs->rcr2 |= RPHASE;
- regs->xcr2 |= XPHASE;
- /* Set 1 word per (McBSP) frame for phase1 and phase2 */
- wpf--;
- regs->rcr2 |= RFRLEN2(wpf - 1);
- regs->xcr2 |= XFRLEN2(wpf - 1);
- }
- case 1:
- case 4:
- /* Set word per (McBSP) frame for phase1 */
- regs->rcr1 |= RFRLEN1(wpf - 1);
- regs->xcr1 |= XFRLEN1(wpf - 1);
- break;
- default:
- /* Unsupported number of channels */
- return -EINVAL;
+ if (channels == 2 && format == SND_SOC_DAIFMT_I2S) {
+ /* Use dual-phase frames */
+ regs->rcr2 |= RPHASE;
+ regs->xcr2 |= XPHASE;
+ /* Set 1 word per (McBSP) frame for phase1 and phase2 */
+ wpf--;
+ regs->rcr2 |= RFRLEN2(wpf - 1);
+ regs->xcr2 |= XFRLEN2(wpf - 1);
}
+ regs->rcr1 |= RFRLEN1(wpf - 1);
+ regs->xcr1 |= XFRLEN1(wpf - 1);
+
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
/* Set word lengths */
@@ -330,15 +323,30 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
+ /* In McBSP master modes, FRAME (i.e. sample rate) is generated
+ * by _counting_ BCLKs. Calculate frame size in BCLKs */
+ master = mcbsp_data->fmt & SND_SOC_DAIFMT_MASTER_MASK;
+ if (master == SND_SOC_DAIFMT_CBS_CFS) {
+ div = mcbsp_data->clk_div ? mcbsp_data->clk_div : 1;
+ framesize = (mcbsp_data->in_freq / div) / params_rate(params);
+
+ if (framesize < wlen * channels) {
+ printk(KERN_ERR "%s: not enough bandwidth for desired rate and "
+ "channels\n", __func__);
+ return -EINVAL;
+ }
+ } else
+ framesize = wlen * channels;
+
/* Set FS period and length in terms of bit clock periods */
switch (format) {
case SND_SOC_DAIFMT_I2S:
- regs->srgr2 |= FPER(wlen * channels - 1);
- regs->srgr1 |= FWID(wlen - 1);
+ regs->srgr2 |= FPER(framesize - 1);
+ regs->srgr1 |= FWID((framesize >> 1) - 1);
break;
case SND_SOC_DAIFMT_DSP_A:
case SND_SOC_DAIFMT_DSP_B:
- regs->srgr2 |= FPER(wlen * channels - 1);
+ regs->srgr2 |= FPER(framesize - 1);
regs->srgr1 |= FWID(0);
break;
}
@@ -454,6 +462,7 @@ static int omap_mcbsp_dai_set_clkdiv(struct snd_soc_dai *cpu_dai,
if (div_id != OMAP_MCBSP_CLKGDV)
return -ENODEV;
+ mcbsp_data->clk_div = div;
regs->srgr1 |= CLKGDV(div - 1);
return 0;
@@ -554,6 +563,8 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
int err = 0;
+ mcbsp_data->in_freq = freq;
+
switch (clk_id) {
case OMAP_MCBSP_SYSCLK_CLK:
regs->srgr2 |= CLKSM;
@@ -598,13 +609,13 @@ static struct snd_soc_dai_ops omap_mcbsp_dai_ops = {
.id = (link_id), \
.playback = { \
.channels_min = 1, \
- .channels_max = 4, \
+ .channels_max = 16, \
.rates = OMAP_MCBSP_RATES, \
.formats = SNDRV_PCM_FMTBIT_S16_LE, \
}, \
.capture = { \
.channels_min = 1, \
- .channels_max = 4, \
+ .channels_max = 16, \
.rates = OMAP_MCBSP_RATES, \
.formats = SNDRV_PCM_FMTBIT_S16_LE, \
}, \
diff --git a/sound/soc/omap/omap3evm.c b/sound/soc/omap/omap3evm.c
index 13aa380de16..f484dcd6340 100644
--- a/sound/soc/omap/omap3evm.c
+++ b/sound/soc/omap/omap3evm.c
@@ -93,10 +93,17 @@ static struct snd_soc_card snd_soc_omap3evm = {
.num_links = 1,
};
+/* twl4030 setup */
+static struct twl4030_setup_data twl4030_setup = {
+ .ramp_delay_value = 4,
+ .sysclk = 26000,
+};
+
/* Audio subsystem */
static struct snd_soc_device omap3evm_snd_devdata = {
.card = &snd_soc_omap3evm,
.codec_dev = &soc_codec_dev_twl4030,
+ .codec_data = &twl4030_setup,
};
static struct platform_device *omap3evm_snd_device;
diff --git a/sound/soc/omap/omap3pandora.c b/sound/soc/omap/omap3pandora.c
index 0cd06f5dd35..71b2c161158 100644
--- a/sound/soc/omap/omap3pandora.c
+++ b/sound/soc/omap/omap3pandora.c
@@ -40,9 +40,12 @@
#define PREFIX "ASoC omap3pandora: "
-static int omap3pandora_cmn_hw_params(struct snd_soc_dai *codec_dai,
- struct snd_soc_dai *cpu_dai, unsigned int fmt)
+static int omap3pandora_cmn_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params, unsigned int fmt)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
+ struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
int ret;
/* Set codec DAI configuration */
@@ -68,8 +71,9 @@ static int omap3pandora_cmn_hw_params(struct snd_soc_dai *codec_dai,
}
/* Set McBSP clock to external */
- ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_SYSCLK_CLKS_EXT, 0,
- SND_SOC_CLOCK_IN);
+ ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_SYSCLK_CLKS_EXT,
+ 256 * params_rate(params),
+ SND_SOC_CLOCK_IN);
if (ret < 0) {
pr_err(PREFIX "can't set cpu system clock\n");
return ret;
@@ -87,11 +91,7 @@ static int omap3pandora_cmn_hw_params(struct snd_soc_dai *codec_dai,
static int omap3pandora_out_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
-
- return omap3pandora_cmn_hw_params(codec_dai, cpu_dai,
+ return omap3pandora_cmn_hw_params(substream, params,
SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_IB_NF |
SND_SOC_DAIFMT_CBS_CFS);
@@ -100,11 +100,7 @@ static int omap3pandora_out_hw_params(struct snd_pcm_substream *substream,
static int omap3pandora_in_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
-
- return omap3pandora_cmn_hw_params(codec_dai, cpu_dai,
+ return omap3pandora_cmn_hw_params(substream, params,
SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS);
diff --git a/sound/soc/omap/overo.c b/sound/soc/omap/overo.c
index ec4f8fd8b3a..97a4d6308bd 100644
--- a/sound/soc/omap/overo.c
+++ b/sound/soc/omap/overo.c
@@ -107,8 +107,8 @@ static int __init overo_soc_init(void)
{
int ret;
- if (!machine_is_overo()) {
- pr_debug("Not Overo!\n");
+ if (!(machine_is_overo() || machine_is_cm_t35())) {
+ pr_debug("Incomatible machine!\n");
return -ENODEV;
}
printk(KERN_INFO "overo SoC init\n");