projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 5452030c | 1 | /* |
| bf7c6e6c | 2 | * ALSA SoC codec driver for HDMI audio codecs. |
| 5452030c RN |
3 | * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ |
| 4 | * Author: Ricardo Neri <ricardo.neri@ti.com> | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * version 2 as published by the Free Software Foundation. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, but | |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | * General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU General Public License | |
| 16 | * along with this program; if not, write to the Free Software | |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
| 18 | * 02110-1301 USA | |
| 19 | * | |
| 20 | */ | |
| 21 | #include <linux/module.h> | |
| 22 | #include <sound/soc.h> | |
| 23 | ||
| 24 | #define DRV_NAME "hdmi-audio-codec" | |
| 25 | ||
| c34e51b1 MB |
26 | static const struct snd_soc_dapm_widget hdmi_widgets[] = { |
| 27 | SND_SOC_DAPM_INPUT("RX"), | |
| 28 | SND_SOC_DAPM_OUTPUT("TX"), | |
| 29 | }; | |
| 30 | ||
| 31 | static const struct snd_soc_dapm_route hdmi_routes[] = { | |
| 32 | { "Capture", NULL, "RX" }, | |
| 33 | { "TX", NULL, "Playback" }, | |
| 34 | }; | |
| 5452030c | 35 | |
| bf7c6e6c BS |
36 | static struct snd_soc_dai_driver hdmi_codec_dai = { |
| 37 | .name = "hdmi-hifi", | |
| 5452030c | 38 | .playback = { |
| c34e51b1 | 39 | .stream_name = "Playback", |
| 5452030c RN |
40 | .channels_min = 2, |
| 41 | .channels_max = 8, | |
| 42 | .rates = SNDRV_PCM_RATE_32000 | | |
| 43 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | | |
| 44 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | | |
| 45 | SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, | |
| 46 | .formats = SNDRV_PCM_FMTBIT_S16_LE | | |
| 47 | SNDRV_PCM_FMTBIT_S24_LE, | |
| 48 | }, | |
| c6c0925e | 49 | .capture = { |
| c34e51b1 | 50 | .stream_name = "Capture", |
| c6c0925e RY |
51 | .channels_min = 2, |
| 52 | .channels_max = 2, | |
| 53 | .rates = SNDRV_PCM_RATE_32000 | | |
| 54 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | | |
| 55 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | | |
| 56 | SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, | |
| 57 | .formats = SNDRV_PCM_FMTBIT_S16_LE | | |
| 58 | SNDRV_PCM_FMTBIT_S24_LE, | |
| 59 | }, | |
| 60 | ||
| 5452030c RN |
61 | }; |
| 62 | ||
| c34e51b1 MB |
63 | static struct snd_soc_codec_driver hdmi_codec = { |
| 64 | .dapm_widgets = hdmi_widgets, | |
| 65 | .num_dapm_widgets = ARRAY_SIZE(hdmi_widgets), | |
| 66 | .dapm_routes = hdmi_routes, | |
| 67 | .num_dapm_routes = ARRAY_SIZE(hdmi_routes), | |
| 68 | }; | |
| 69 | ||
| bf7c6e6c | 70 | static int hdmi_codec_probe(struct platform_device *pdev) |
| 5452030c | 71 | { |
| bf7c6e6c BS |
72 | return snd_soc_register_codec(&pdev->dev, &hdmi_codec, |
| 73 | &hdmi_codec_dai, 1); | |
| 5452030c RN |
74 | } |
| 75 | ||
| bf7c6e6c | 76 | static int hdmi_codec_remove(struct platform_device *pdev) |
| 5452030c RN |
77 | { |
| 78 | snd_soc_unregister_codec(&pdev->dev); | |
| 79 | return 0; | |
| 80 | } | |
| 81 | ||
| bf7c6e6c | 82 | static struct platform_driver hdmi_codec_driver = { |
| 5452030c RN |
83 | .driver = { |
| 84 | .name = DRV_NAME, | |
| 85 | .owner = THIS_MODULE, | |
| 86 | }, | |
| 87 | ||
| bf7c6e6c BS |
88 | .probe = hdmi_codec_probe, |
| 89 | .remove = hdmi_codec_remove, | |
| 5452030c RN |
90 | }; |
| 91 | ||
| bf7c6e6c | 92 | module_platform_driver(hdmi_codec_driver); |
| 5452030c RN |
93 | |
| 94 | MODULE_AUTHOR("Ricardo Neri <ricardo.neri@ti.com>"); | |
| bf7c6e6c | 95 | MODULE_DESCRIPTION("ASoC generic HDMI codec driver"); |
| 5452030c RN |
96 | MODULE_LICENSE("GPL"); |
| 97 | MODULE_ALIAS("platform:" DRV_NAME); |