6 files changed, 228 insertions, 4 deletions

diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig
index 653a362425df..bb5731a22bed 100644
--- a/sound/soc/omap/Kconfig
+++ b/sound/soc/omap/Kconfig
@@ -66,6 +66,15 @@ 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 02d69471dcb5..0c78ae4e6b97 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 000000000000..135901b2ea11
--- /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 5a5166ac7279..ae0fc9b135d4 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-pcm.c b/sound/soc/omap/omap-pcm.c
index 5735945788bf..6a829eef2a4f 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -195,8 +195,12 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
         else
                 omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ);
 
-        omap_set_dma_src_burst_mode(prtd->dma_ch, OMAP_DMA_DATA_BURST_16);
-        omap_set_dma_dest_burst_mode(prtd->dma_ch, OMAP_DMA_DATA_BURST_16);
+        if (!(cpu_class_is_omap1())) {
+                omap_set_dma_src_burst_mode(prtd->dma_ch,
+                                                OMAP_DMA_DATA_BURST_16);
+                omap_set_dma_dest_burst_mode(prtd->dma_ch,
+                                                OMAP_DMA_DATA_BURST_16);
+        }
 
         return 0;
 }
diff --git a/sound/soc/omap/omap3evm.c b/sound/soc/omap/omap3evm.c
index 9114c263077b..8deb59bb10b1 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;