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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-12 22:16:27 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-12 22:16:27 +0400
commite349792a385ed47390d156155b1a1e19af1bf163 (patch)
treef9dc4e3e42769950230eaa58ecdd056eb27b23e8 /sound/soc/atmel/snd-soc-afeb9260.c
parent6d21491838a2a9f22843c7530b118596ee9f4d77 (diff)
parente3f86d3d3ce350144562d9bd035dc8a274fce58e (diff)
downloadlinux-e349792a385ed47390d156155b1a1e19af1bf163.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (290 commits) ALSA: pcm - Update document about xrun_debug proc file ALSA: lx6464es - support standard alsa module parameters ALSA: snd_usb_caiaq: set mixername ALSA: hda - add quirk for STAC92xx (SigmaTel STAC9205) ALSA: use card device as parent for jack input-devices ALSA: sound/ps3: Correct existing and add missing annotations ALSA: sound/ps3: Restructure driver source ALSA: sound/ps3: Fix checkpatch issues ASoC: Fix lm4857 control ALSA: ctxfi - Clear PCM resources at hw_params and hw_free ALSA: ctxfi - Check the presence of SRC instance in PCM pointer callbacks ALSA: ctxfi - Add missing start check in atc_pcm_playback_start() ALSA: ctxfi - Add use_system_timer module option ALSA: usb - Add boot quirk for C-Media 6206 USB Audio ALSA: ctxfi - Fix wrong model id for UAA ALSA: ctxfi - Clean up probe routines ALSA: hda - Fix the previous tagra-8ch patch ALSA: hda - Add 7.1 support for MSI GX620 ALSA: pcm - A helper function to compose PCM stream name for debug prints ALSA: emu10k1 - Fix minimum periods for efx playback ...
Diffstat (limited to 'sound/soc/atmel/snd-soc-afeb9260.c')
-rw-r--r--sound/soc/atmel/snd-soc-afeb9260.c203
1 files changed, 203 insertions, 0 deletions
diff --git a/sound/soc/atmel/snd-soc-afeb9260.c b/sound/soc/atmel/snd-soc-afeb9260.c
new file mode 100644
index 000000000000..23349de27313
--- /dev/null
+++ b/sound/soc/atmel/snd-soc-afeb9260.c
@@ -0,0 +1,203 @@
+/*
+ * afeb9260.c -- SoC audio for AFEB9260
+ *
+ * Copyright (C) 2009 Sergey Lapin <slapin@ossfans.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+
+#include <linux/atmel-ssc.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <linux/gpio.h>
+
+#include "../codecs/tlv320aic23.h"
+#include "atmel-pcm.h"
+#include "atmel_ssc_dai.h"
+
+#define CODEC_CLOCK 12000000
+
+static int afeb9260_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 err;
+
+ /* Set codec DAI configuration */
+ err = snd_soc_dai_set_fmt(codec_dai,
+ SND_SOC_DAIFMT_I2S|
+ SND_SOC_DAIFMT_NB_IF |
+ SND_SOC_DAIFMT_CBM_CFM);
+ if (err < 0) {
+ printk(KERN_ERR "can't set codec DAI configuration\n");
+ return err;
+ }
+
+ /* Set cpu DAI configuration */
+ err = snd_soc_dai_set_fmt(cpu_dai,
+ SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_IF |
+ SND_SOC_DAIFMT_CBM_CFM);
+ if (err < 0) {
+ printk(KERN_ERR "can't set cpu DAI configuration\n");
+ return err;
+ }
+
+ /* Set the codec system clock for DAC and ADC */
+ err =
+ snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK, SND_SOC_CLOCK_IN);
+
+ if (err < 0) {
+ printk(KERN_ERR "can't set codec system clock\n");
+ return err;
+ }
+
+ return err;
+}
+
+static struct snd_soc_ops afeb9260_ops = {
+ .hw_params = afeb9260_hw_params,
+};
+
+static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_LINE("Line In", NULL),
+ SND_SOC_DAPM_MIC("Mic Jack", NULL),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ {"Headphone Jack", NULL, "LHPOUT"},
+ {"Headphone Jack", NULL, "RHPOUT"},
+
+ {"LLINEIN", NULL, "Line In"},
+ {"RLINEIN", NULL, "Line In"},
+
+ {"MICIN", NULL, "Mic Jack"},
+};
+
+static int afeb9260_tlv320aic23_init(struct snd_soc_codec *codec)
+{
+
+ /* Add afeb9260 specific widgets */
+ snd_soc_dapm_new_controls(codec, tlv320aic23_dapm_widgets,
+ ARRAY_SIZE(tlv320aic23_dapm_widgets));
+
+ /* Set up afeb9260 specific audio path audio_map */
+ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+
+ snd_soc_dapm_enable_pin(codec, "Headphone Jack");
+ snd_soc_dapm_enable_pin(codec, "Line In");
+ snd_soc_dapm_enable_pin(codec, "Mic Jack");
+
+ snd_soc_dapm_sync(codec);
+
+ return 0;
+}
+
+/* Digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link afeb9260_dai = {
+ .name = "TLV320AIC23",
+ .stream_name = "AIC23",
+ .cpu_dai = &atmel_ssc_dai[0],
+ .codec_dai = &tlv320aic23_dai,
+ .init = afeb9260_tlv320aic23_init,
+ .ops = &afeb9260_ops,
+};
+
+/* Audio machine driver */
+static struct snd_soc_card snd_soc_machine_afeb9260 = {
+ .name = "AFEB9260",
+ .platform = &atmel_soc_platform,
+ .dai_link = &afeb9260_dai,
+ .num_links = 1,
+};
+
+/* Audio subsystem */
+static struct snd_soc_device afeb9260_snd_devdata = {
+ .card = &snd_soc_machine_afeb9260,
+ .codec_dev = &soc_codec_dev_tlv320aic23,
+};
+
+static struct platform_device *afeb9260_snd_device;
+
+static int __init afeb9260_soc_init(void)
+{
+ int err;
+ struct device *dev;
+ struct atmel_ssc_info *ssc_p = afeb9260_dai.cpu_dai->private_data;
+ struct ssc_device *ssc = NULL;
+
+ if (!(machine_is_afeb9260()))
+ return -ENODEV;
+
+ ssc = ssc_request(0);
+ if (IS_ERR(ssc)) {
+ printk(KERN_ERR "ASoC: Failed to request SSC 0\n");
+ err = PTR_ERR(ssc);
+ ssc = NULL;
+ goto err_ssc;
+ }
+ ssc_p->ssc = ssc;
+
+ afeb9260_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!afeb9260_snd_device) {
+ printk(KERN_ERR "ASoC: Platform device allocation failed\n");
+ return -ENOMEM;
+ }
+
+ platform_set_drvdata(afeb9260_snd_device, &afeb9260_snd_devdata);
+ afeb9260_snd_devdata.dev = &afeb9260_snd_device->dev;
+ err = platform_device_add(afeb9260_snd_device);
+ if (err)
+ goto err1;
+
+ dev = &afeb9260_snd_device->dev;
+
+ return 0;
+err1:
+ platform_device_del(afeb9260_snd_device);
+ platform_device_put(afeb9260_snd_device);
+err_ssc:
+ return err;
+
+}
+
+static void __exit afeb9260_soc_exit(void)
+{
+ platform_device_unregister(afeb9260_snd_device);
+}
+
+module_init(afeb9260_soc_init);
+module_exit(afeb9260_soc_exit);
+
+MODULE_AUTHOR("Sergey Lapin <slapin@ossfans.org>");
+MODULE_DESCRIPTION("ALSA SoC for AFEB9260");
+MODULE_LICENSE("GPL");
+