| /* Copyright (c) 2011, Code Aurora Forum. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only 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. |
| */ |
| |
| |
| #include <linux/init.h> |
| #include <linux/module.h> |
| #include <linux/device.h> |
| #include <linux/platform_device.h> |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/soc.h> |
| |
| static struct snd_soc_dai_ops msm_fe_dai_ops = {}; |
| |
| /* Conventional and unconventional sample rate supported */ |
| static unsigned int supported_sample_rates[] = { |
| 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 |
| }; |
| |
| static struct snd_pcm_hw_constraint_list constraints_sample_rates = { |
| .count = ARRAY_SIZE(supported_sample_rates), |
| .list = supported_sample_rates, |
| .mask = 0, |
| }; |
| |
| static int multimedia_startup(struct snd_pcm_substream *substream, |
| struct snd_soc_dai *dai) |
| { |
| snd_pcm_hw_constraint_list(substream->runtime, 0, |
| SNDRV_PCM_HW_PARAM_RATE, |
| &constraints_sample_rates); |
| |
| return 0; |
| } |
| |
| static struct snd_soc_dai_ops msm_fe_Multimedia_dai_ops = { |
| .startup = multimedia_startup, |
| }; |
| |
| static struct snd_soc_dai_driver msm_fe_dais[] = { |
| { |
| .playback = { |
| .stream_name = "Multimedia1 Playback", |
| .rates = SNDRV_PCM_RATE_8000_48000, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .capture = { |
| .stream_name = "Multimedia1 Capture", |
| .rates = SNDRV_PCM_RATE_8000_48000, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .ops = &msm_fe_dai_ops, |
| .name = "MultiMedia1", |
| }, |
| { |
| .playback = { |
| .stream_name = "Multimedia2 Playback", |
| .rates = SNDRV_PCM_RATE_8000_48000, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .capture = { |
| .stream_name = "Multimedia2 Capture", |
| .rates = SNDRV_PCM_RATE_8000_48000, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .ops = &msm_fe_dai_ops, |
| .name = "MultiMedia2", |
| }, |
| { |
| .playback = { |
| .stream_name = "Voice Playback", |
| .rates = SNDRV_PCM_RATE_8000_48000, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .capture = { |
| .stream_name = "Voice Capture", |
| .rates = SNDRV_PCM_RATE_8000_48000, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .ops = &msm_fe_dai_ops, |
| .name = "CS-VOICE", |
| }, |
| { |
| .playback = { |
| .stream_name = "VoIP Playback", |
| .rates = SNDRV_PCM_RATE_8000_48000, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE | |
| SNDRV_PCM_FMTBIT_SPECIAL, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .capture = { |
| .stream_name = "VoIP Capture", |
| .rates = SNDRV_PCM_RATE_8000_48000, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE | |
| SNDRV_PCM_FMTBIT_SPECIAL, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .ops = &msm_fe_dai_ops, |
| .name = "VoIP", |
| }, |
| { |
| .playback = { |
| .stream_name = "MultiMedia3 Playback", |
| .rates = (SNDRV_PCM_RATE_8000_48000 | |
| SNDRV_PCM_RATE_KNOT), |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .ops = &msm_fe_Multimedia_dai_ops, |
| .name = "MultiMedia3", |
| }, |
| { |
| .playback = { |
| .stream_name = "MultiMedia4 Playback", |
| .rates = (SNDRV_PCM_RATE_8000_48000 | |
| SNDRV_PCM_RATE_KNOT), |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .ops = &msm_fe_Multimedia_dai_ops, |
| .name = "MultiMedia4", |
| }, |
| /* FE DAIs created for hostless operation purpose */ |
| { |
| .playback = { |
| .stream_name = "SLIMBUS0 Hostless Playback", |
| .rates = SNDRV_PCM_RATE_8000_48000, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .capture = { |
| .stream_name = "SLIMBUS0 Hostless Capture", |
| .rates = SNDRV_PCM_RATE_8000_48000, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .ops = &msm_fe_dai_ops, |
| .name = "SLIMBUS0_HOSTLESS", |
| }, |
| { |
| .playback = { |
| .stream_name = "INT_FM Hostless Playback", |
| .rates = SNDRV_PCM_RATE_8000_48000, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .capture = { |
| .stream_name = "INT_FM Hostless Capture", |
| .rates = SNDRV_PCM_RATE_8000_48000, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .ops = &msm_fe_dai_ops, |
| .name = "INT_FM_HOSTLESS", |
| }, |
| { |
| .playback = { |
| .stream_name = "AFE-PROXY Playback", |
| .rates = (SNDRV_PCM_RATE_8000 | |
| SNDRV_PCM_RATE_16000 | |
| SNDRV_PCM_RATE_48000), |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .capture = { |
| .stream_name = "AFE-PROXY Capture", |
| .rates = (SNDRV_PCM_RATE_8000 | |
| SNDRV_PCM_RATE_16000 | |
| SNDRV_PCM_RATE_48000), |
| .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| .channels_min = 1, |
| .channels_max = 2, |
| .rate_min = 8000, |
| .rate_max = 48000, |
| }, |
| .ops = &msm_fe_dai_ops, |
| .name = "AFE-PROXY", |
| }, |
| }; |
| |
| static __devinit int msm_fe_dai_dev_probe(struct platform_device *pdev) |
| { |
| dev_dbg(&pdev->dev, "%s: dev name %s\n", __func__, |
| dev_name(&pdev->dev)); |
| return snd_soc_register_dais(&pdev->dev, msm_fe_dais, |
| ARRAY_SIZE(msm_fe_dais)); |
| } |
| |
| static __devexit int msm_fe_dai_dev_remove(struct platform_device *pdev) |
| { |
| snd_soc_unregister_dai(&pdev->dev); |
| return 0; |
| } |
| |
| static struct platform_driver msm_fe_dai_driver = { |
| .probe = msm_fe_dai_dev_probe, |
| .remove = msm_fe_dai_dev_remove, |
| .driver = { |
| .name = "msm-dai-fe", |
| .owner = THIS_MODULE, |
| }, |
| }; |
| |
| static int __init msm_fe_dai_init(void) |
| { |
| return platform_driver_register(&msm_fe_dai_driver); |
| } |
| module_init(msm_fe_dai_init); |
| |
| static void __exit msm_fe_dai_exit(void) |
| { |
| platform_driver_unregister(&msm_fe_dai_driver); |
| } |
| module_exit(msm_fe_dai_exit); |
| |
| /* Module information */ |
| MODULE_DESCRIPTION("MSM Frontend DAI driver"); |
| MODULE_LICENSE("GPL v2"); |