Mike Rapoport | 1307394 | 2011-04-26 11:52:42 +0300 | [diff] [blame] | 1 | /* |
| 2 | * trimslice.c - TrimSlice machine ASoC driver |
| 3 | * |
| 4 | * Copyright (C) 2011 - CompuLab, Ltd. |
| 5 | * Author: Mike Rapoport <mike@compulab.co.il> |
| 6 | * |
| 7 | * Based on code copyright/by: |
| 8 | * Author: Stephen Warren <swarren@nvidia.com> |
| 9 | * Copyright (C) 2010-2011 - NVIDIA, Inc. |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU General Public License |
| 13 | * version 2 as published by the Free Software Foundation. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, but |
| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | * General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 23 | * 02110-1301 USA |
| 24 | * |
| 25 | */ |
| 26 | |
| 27 | #include <asm/mach-types.h> |
| 28 | |
| 29 | #include <linux/module.h> |
| 30 | #include <linux/platform_device.h> |
| 31 | #include <linux/slab.h> |
| 32 | |
| 33 | #include <sound/core.h> |
| 34 | #include <sound/jack.h> |
| 35 | #include <sound/pcm.h> |
| 36 | #include <sound/pcm_params.h> |
| 37 | #include <sound/soc.h> |
| 38 | |
| 39 | #include "../codecs/tlv320aic23.h" |
| 40 | |
| 41 | #include "tegra_das.h" |
| 42 | #include "tegra_i2s.h" |
| 43 | #include "tegra_pcm.h" |
| 44 | #include "tegra_asoc_utils.h" |
| 45 | |
| 46 | #define DRV_NAME "tegra-snd-trimslice" |
| 47 | |
| 48 | struct tegra_trimslice { |
| 49 | struct tegra_asoc_utils_data util_data; |
| 50 | }; |
| 51 | |
| 52 | static int trimslice_asoc_hw_params(struct snd_pcm_substream *substream, |
| 53 | struct snd_pcm_hw_params *params) |
| 54 | { |
| 55 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 56 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 57 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 58 | struct snd_soc_codec *codec = rtd->codec; |
| 59 | struct snd_soc_card *card = codec->card; |
| 60 | struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card); |
| 61 | int srate, mclk; |
| 62 | int err; |
| 63 | |
| 64 | srate = params_rate(params); |
| 65 | mclk = 128 * srate; |
| 66 | |
| 67 | err = tegra_asoc_utils_set_rate(&trimslice->util_data, srate, mclk); |
| 68 | if (err < 0) { |
| 69 | dev_err(card->dev, "Can't configure clocks\n"); |
| 70 | return err; |
| 71 | } |
| 72 | |
| 73 | err = snd_soc_dai_set_fmt(codec_dai, |
| 74 | SND_SOC_DAIFMT_I2S | |
| 75 | SND_SOC_DAIFMT_NB_NF | |
| 76 | SND_SOC_DAIFMT_CBS_CFS); |
| 77 | if (err < 0) { |
| 78 | dev_err(card->dev, "codec_dai fmt not set\n"); |
| 79 | return err; |
| 80 | } |
| 81 | |
| 82 | err = snd_soc_dai_set_fmt(cpu_dai, |
| 83 | SND_SOC_DAIFMT_I2S | |
| 84 | SND_SOC_DAIFMT_NB_NF | |
| 85 | SND_SOC_DAIFMT_CBS_CFS); |
| 86 | if (err < 0) { |
| 87 | dev_err(card->dev, "cpu_dai fmt not set\n"); |
| 88 | return err; |
| 89 | } |
| 90 | |
| 91 | err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
| 92 | SND_SOC_CLOCK_IN); |
| 93 | if (err < 0) { |
| 94 | dev_err(card->dev, "codec_dai clock not set\n"); |
| 95 | return err; |
| 96 | } |
| 97 | |
| 98 | return 0; |
| 99 | } |
| 100 | |
| 101 | static struct snd_soc_ops trimslice_asoc_ops = { |
| 102 | .hw_params = trimslice_asoc_hw_params, |
| 103 | }; |
| 104 | |
| 105 | static const struct snd_soc_dapm_widget trimslice_dapm_widgets[] = { |
| 106 | SND_SOC_DAPM_HP("Line Out", NULL), |
| 107 | SND_SOC_DAPM_LINE("Line In", NULL), |
| 108 | }; |
| 109 | |
| 110 | static const struct snd_soc_dapm_route trimslice_audio_map[] = { |
| 111 | {"Line Out", NULL, "LOUT"}, |
| 112 | {"Line Out", NULL, "ROUT"}, |
| 113 | |
| 114 | {"LLINEIN", NULL, "Line In"}, |
| 115 | {"RLINEIN", NULL, "Line In"}, |
| 116 | }; |
| 117 | |
Mike Rapoport | 1307394 | 2011-04-26 11:52:42 +0300 | [diff] [blame] | 118 | static struct snd_soc_dai_link trimslice_tlv320aic23_dai = { |
| 119 | .name = "TLV320AIC23", |
| 120 | .stream_name = "AIC23", |
| 121 | .codec_name = "tlv320aic23-codec.2-001a", |
| 122 | .platform_name = "tegra-pcm-audio", |
| 123 | .cpu_dai_name = "tegra-i2s.0", |
| 124 | .codec_dai_name = "tlv320aic23-hifi", |
Mike Rapoport | 1307394 | 2011-04-26 11:52:42 +0300 | [diff] [blame] | 125 | .ops = &trimslice_asoc_ops, |
| 126 | }; |
| 127 | |
| 128 | static struct snd_soc_card snd_soc_trimslice = { |
| 129 | .name = "tegra-trimslice", |
| 130 | .dai_link = &trimslice_tlv320aic23_dai, |
| 131 | .num_links = 1, |
| 132 | |
| 133 | .dapm_widgets = trimslice_dapm_widgets, |
| 134 | .num_dapm_widgets = ARRAY_SIZE(trimslice_dapm_widgets), |
| 135 | .dapm_routes = trimslice_audio_map, |
| 136 | .num_dapm_routes = ARRAY_SIZE(trimslice_audio_map), |
Stephen Warren | 504855d | 2011-11-23 12:42:06 -0700 | [diff] [blame] | 137 | .fully_routed = true, |
Mike Rapoport | 1307394 | 2011-04-26 11:52:42 +0300 | [diff] [blame] | 138 | }; |
| 139 | |
| 140 | static __devinit int tegra_snd_trimslice_probe(struct platform_device *pdev) |
| 141 | { |
| 142 | struct snd_soc_card *card = &snd_soc_trimslice; |
| 143 | struct tegra_trimslice *trimslice; |
| 144 | int ret; |
| 145 | |
Stephen Warren | 45c2609 | 2011-11-22 18:21:21 -0700 | [diff] [blame] | 146 | trimslice = devm_kzalloc(&pdev->dev, sizeof(struct tegra_trimslice), |
| 147 | GFP_KERNEL); |
Mike Rapoport | 1307394 | 2011-04-26 11:52:42 +0300 | [diff] [blame] | 148 | if (!trimslice) { |
| 149 | dev_err(&pdev->dev, "Can't allocate tegra_trimslice\n"); |
Stephen Warren | 45c2609 | 2011-11-22 18:21:21 -0700 | [diff] [blame] | 150 | ret = -ENOMEM; |
| 151 | goto err; |
Mike Rapoport | 1307394 | 2011-04-26 11:52:42 +0300 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | ret = tegra_asoc_utils_init(&trimslice->util_data, &pdev->dev); |
| 155 | if (ret) |
Stephen Warren | 45c2609 | 2011-11-22 18:21:21 -0700 | [diff] [blame] | 156 | goto err; |
Mike Rapoport | 1307394 | 2011-04-26 11:52:42 +0300 | [diff] [blame] | 157 | |
| 158 | card->dev = &pdev->dev; |
| 159 | platform_set_drvdata(pdev, card); |
| 160 | snd_soc_card_set_drvdata(card, trimslice); |
| 161 | |
| 162 | ret = snd_soc_register_card(card); |
| 163 | if (ret) { |
| 164 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", |
| 165 | ret); |
| 166 | goto err_fini_utils; |
| 167 | } |
| 168 | |
| 169 | return 0; |
| 170 | |
| 171 | err_fini_utils: |
| 172 | tegra_asoc_utils_fini(&trimslice->util_data); |
Stephen Warren | 45c2609 | 2011-11-22 18:21:21 -0700 | [diff] [blame] | 173 | err: |
Mike Rapoport | 1307394 | 2011-04-26 11:52:42 +0300 | [diff] [blame] | 174 | return ret; |
| 175 | } |
| 176 | |
| 177 | static int __devexit tegra_snd_trimslice_remove(struct platform_device *pdev) |
| 178 | { |
| 179 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
| 180 | struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card); |
| 181 | |
| 182 | snd_soc_unregister_card(card); |
| 183 | |
| 184 | tegra_asoc_utils_fini(&trimslice->util_data); |
| 185 | |
Mike Rapoport | 1307394 | 2011-04-26 11:52:42 +0300 | [diff] [blame] | 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | static struct platform_driver tegra_snd_trimslice_driver = { |
| 190 | .driver = { |
| 191 | .name = DRV_NAME, |
| 192 | .owner = THIS_MODULE, |
| 193 | }, |
| 194 | .probe = tegra_snd_trimslice_probe, |
| 195 | .remove = __devexit_p(tegra_snd_trimslice_remove), |
| 196 | }; |
Stephen Warren | 45c2609 | 2011-11-22 18:21:21 -0700 | [diff] [blame] | 197 | module_platform_driver(tegra_snd_trimslice_driver); |
Mike Rapoport | 1307394 | 2011-04-26 11:52:42 +0300 | [diff] [blame] | 198 | |
| 199 | MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>"); |
| 200 | MODULE_DESCRIPTION("Trimslice machine ASoC driver"); |
| 201 | MODULE_LICENSE("GPL"); |
| 202 | MODULE_ALIAS("platform:" DRV_NAME); |