diff options
Diffstat (limited to 'sound/soc/s6000/s6105-ipcam.c')
| -rw-r--r-- | sound/soc/s6000/s6105-ipcam.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/sound/soc/s6000/s6105-ipcam.c b/sound/soc/s6000/s6105-ipcam.c deleted file mode 100644 index 58cfb1eb7dd3..000000000000 --- a/sound/soc/s6000/s6105-ipcam.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * ASoC driver for Stretch s6105 IP camera platform - * - * Author: Daniel Gloeckner, <dg@emlix.com> - * Copyright: (C) 2009 emlix GmbH <info@emlix.com> - * - * 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. - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/i2c.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> - -#include <variant/dmac.h> - -#include "s6000-pcm.h" -#include "s6000-i2s.h" - -#define S6105_CAM_CODEC_CLOCK 12288000 - -static int s6105_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->codec_dai; - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - int ret = 0; - - /* set codec DAI configuration */ - ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_CBM_CFM); - if (ret < 0) - return ret; - - /* set cpu DAI configuration */ - ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_CBM_CFM | - SND_SOC_DAIFMT_NB_NF); - if (ret < 0) - return ret; - - /* set the codec system clock */ - ret = snd_soc_dai_set_sysclk(codec_dai, 0, S6105_CAM_CODEC_CLOCK, - SND_SOC_CLOCK_OUT); - if (ret < 0) - return ret; - - return 0; -} - -static struct snd_soc_ops s6105_ops = { - .hw_params = s6105_hw_params, -}; - -/* s6105 machine dapm widgets */ -static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = { - SND_SOC_DAPM_LINE("Audio Out Differential", NULL), - SND_SOC_DAPM_LINE("Audio Out Stereo", NULL), - SND_SOC_DAPM_LINE("Audio In", NULL), -}; - -/* s6105 machine audio_mapnections to the codec pins */ -static const struct snd_soc_dapm_route audio_map[] = { - /* Audio Out connected to HPLOUT, HPLCOM, HPROUT */ - {"Audio Out Differential", NULL, "HPLOUT"}, - {"Audio Out Differential", NULL, "HPLCOM"}, - {"Audio Out Stereo", NULL, "HPLOUT"}, - {"Audio Out Stereo", NULL, "HPROUT"}, - - /* Audio In connected to LINE1L, LINE1R */ - {"LINE1L", NULL, "Audio In"}, - {"LINE1R", NULL, "Audio In"}, -}; - -static int output_type_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; - uinfo->count = 1; - uinfo->value.enumerated.items = 2; - if (uinfo->value.enumerated.item) { - uinfo->value.enumerated.item = 1; - strcpy(uinfo->value.enumerated.name, "HPLOUT/HPROUT"); - } else { - strcpy(uinfo->value.enumerated.name, "HPLOUT/HPLCOM"); - } - return 0; -} - -static int output_type_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - ucontrol->value.enumerated.item[0] = kcontrol->private_value; - return 0; -} - -static int output_type_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - struct snd_soc_dapm_context *dapm = &codec->dapm; - unsigned int val = (ucontrol->value.enumerated.item[0] != 0); - char *differential = "Audio Out Differential"; - char *stereo = "Audio Out Stereo"; - - if (kcontrol->private_value == val) - return 0; - kcontrol->private_value = val; - snd_soc_dapm_disable_pin(dapm, val ? differential : stereo); - snd_soc_dapm_sync(dapm); - snd_soc_dapm_enable_pin(dapm, val ? stereo : differential); - snd_soc_dapm_sync(dapm); - - return 1; -} - -static const struct snd_kcontrol_new audio_out_mux = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Master Output Mux", - .index = 0, - .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, - .info = output_type_info, - .get = output_type_get, - .put = output_type_put, - .private_value = 1 /* default to stereo */ -}; - -/* Logic for a aic3x as connected on the s6105 ip camera ref design */ -static int s6105_aic3x_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_codec *codec = rtd->codec; - struct snd_soc_dapm_context *dapm = &codec->dapm; - - /* Add s6105 specific widgets */ - snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets, - ARRAY_SIZE(aic3x_dapm_widgets)); - - /* Set up s6105 specific audio path audio_map */ - snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); - - /* not present */ - snd_soc_dapm_nc_pin(dapm, "MONO_LOUT"); - snd_soc_dapm_nc_pin(dapm, "LINE2L"); - snd_soc_dapm_nc_pin(dapm, "LINE2R"); - - /* not connected */ - snd_soc_dapm_nc_pin(dapm, "MIC3L"); /* LINE2L on this chip */ - snd_soc_dapm_nc_pin(dapm, "MIC3R"); /* LINE2R on this chip */ - snd_soc_dapm_nc_pin(dapm, "LLOUT"); - snd_soc_dapm_nc_pin(dapm, "RLOUT"); - snd_soc_dapm_nc_pin(dapm, "HPRCOM"); - - /* always connected */ - snd_soc_dapm_enable_pin(dapm, "Audio In"); - - /* must correspond to audio_out_mux.private_value initializer */ - snd_soc_dapm_disable_pin(dapm, "Audio Out Differential"); - snd_soc_dapm_sync(dapm); - snd_soc_dapm_enable_pin(dapm, "Audio Out Stereo"); - - snd_soc_dapm_sync(dapm); - - snd_ctl_add(codec->card->snd_card, snd_ctl_new1(&audio_out_mux, codec)); - - return 0; -} - -/* s6105 digital audio interface glue - connects codec <--> CPU */ -static struct snd_soc_dai_link s6105_dai = { - .name = "TLV320AIC31", - .stream_name = "AIC31", - .cpu_dai_name = "s6000-i2s", - .codec_dai_name = "tlv320aic3x-hifi", - .platform_name = "s6000-pcm-audio", - .codec_name = "tlv320aic3x-codec.0-001a", - .init = s6105_aic3x_init, - .ops = &s6105_ops, -}; - -/* s6105 audio machine driver */ -static struct snd_soc_card snd_soc_card_s6105 = { - .name = "Stretch IP Camera", - .owner = THIS_MODULE, - .dai_link = &s6105_dai, - .num_links = 1, -}; - -static struct s6000_snd_platform_data __initdata s6105_snd_data = { - .wide = 0, - .channel_in = 0, - .channel_out = 1, - .lines_in = 1, - .lines_out = 1, - .same_rate = 1, -}; - -static struct platform_device *s6105_snd_device; - -/* temporary i2c device creation until this can be moved into the machine - * support file. -*/ -static struct i2c_board_info i2c_device[] = { - { I2C_BOARD_INFO("tlv320aic33", 0x18), } -}; - -static int __init s6105_init(void) -{ - int ret; - - i2c_register_board_info(0, i2c_device, ARRAY_SIZE(i2c_device)); - - s6105_snd_device = platform_device_alloc("soc-audio", -1); - if (!s6105_snd_device) - return -ENOMEM; - - platform_set_drvdata(s6105_snd_device, &snd_soc_card_s6105); - platform_device_add_data(s6105_snd_device, &s6105_snd_data, - sizeof(s6105_snd_data)); - - ret = platform_device_add(s6105_snd_device); - if (ret) - platform_device_put(s6105_snd_device); - - return ret; -} - -static void __exit s6105_exit(void) -{ - platform_device_unregister(s6105_snd_device); -} - -module_init(s6105_init); -module_exit(s6105_exit); - -MODULE_AUTHOR("Daniel Gloeckner"); -MODULE_DESCRIPTION("Stretch s6105 IP camera ASoC driver"); -MODULE_LICENSE("GPL"); |
