Commit | Line | Data |
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1307394a MR |
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 | ||
1307394a | 27 | #include <linux/module.h> |
6264f668 | 28 | #include <linux/of.h> |
1307394a MR |
29 | #include <linux/platform_device.h> |
30 | #include <linux/slab.h> | |
31 | ||
32 | #include <sound/core.h> | |
33 | #include <sound/jack.h> | |
34 | #include <sound/pcm.h> | |
35 | #include <sound/pcm_params.h> | |
36 | #include <sound/soc.h> | |
37 | ||
38 | #include "../codecs/tlv320aic23.h" | |
39 | ||
1307394a MR |
40 | #include "tegra_asoc_utils.h" |
41 | ||
42 | #define DRV_NAME "tegra-snd-trimslice" | |
43 | ||
44 | struct tegra_trimslice { | |
45 | struct tegra_asoc_utils_data util_data; | |
46 | }; | |
47 | ||
48 | static int trimslice_asoc_hw_params(struct snd_pcm_substream *substream, | |
49 | struct snd_pcm_hw_params *params) | |
50 | { | |
51 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
52 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
093c4e5c | 53 | struct snd_soc_card *card = rtd->card; |
1307394a MR |
54 | struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card); |
55 | int srate, mclk; | |
56 | int err; | |
57 | ||
58 | srate = params_rate(params); | |
59 | mclk = 128 * srate; | |
60 | ||
61 | err = tegra_asoc_utils_set_rate(&trimslice->util_data, srate, mclk); | |
62 | if (err < 0) { | |
63 | dev_err(card->dev, "Can't configure clocks\n"); | |
64 | return err; | |
65 | } | |
66 | ||
1307394a MR |
67 | err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
68 | SND_SOC_CLOCK_IN); | |
69 | if (err < 0) { | |
70 | dev_err(card->dev, "codec_dai clock not set\n"); | |
71 | return err; | |
72 | } | |
73 | ||
74 | return 0; | |
75 | } | |
76 | ||
77 | static struct snd_soc_ops trimslice_asoc_ops = { | |
78 | .hw_params = trimslice_asoc_hw_params, | |
79 | }; | |
80 | ||
81 | static const struct snd_soc_dapm_widget trimslice_dapm_widgets[] = { | |
82 | SND_SOC_DAPM_HP("Line Out", NULL), | |
83 | SND_SOC_DAPM_LINE("Line In", NULL), | |
84 | }; | |
85 | ||
86 | static const struct snd_soc_dapm_route trimslice_audio_map[] = { | |
87 | {"Line Out", NULL, "LOUT"}, | |
88 | {"Line Out", NULL, "ROUT"}, | |
89 | ||
90 | {"LLINEIN", NULL, "Line In"}, | |
91 | {"RLINEIN", NULL, "Line In"}, | |
92 | }; | |
93 | ||
1307394a MR |
94 | static struct snd_soc_dai_link trimslice_tlv320aic23_dai = { |
95 | .name = "TLV320AIC23", | |
96 | .stream_name = "AIC23", | |
1307394a | 97 | .codec_dai_name = "tlv320aic23-hifi", |
1307394a | 98 | .ops = &trimslice_asoc_ops, |
408dafc4 SW |
99 | .dai_fmt = SND_SOC_DAIFMT_I2S | |
100 | SND_SOC_DAIFMT_NB_NF | | |
101 | SND_SOC_DAIFMT_CBS_CFS, | |
1307394a MR |
102 | }; |
103 | ||
104 | static struct snd_soc_card snd_soc_trimslice = { | |
105 | .name = "tegra-trimslice", | |
b16eaf9f | 106 | .owner = THIS_MODULE, |
1307394a MR |
107 | .dai_link = &trimslice_tlv320aic23_dai, |
108 | .num_links = 1, | |
109 | ||
110 | .dapm_widgets = trimslice_dapm_widgets, | |
111 | .num_dapm_widgets = ARRAY_SIZE(trimslice_dapm_widgets), | |
112 | .dapm_routes = trimslice_audio_map, | |
113 | .num_dapm_routes = ARRAY_SIZE(trimslice_audio_map), | |
504855d1 | 114 | .fully_routed = true, |
1307394a MR |
115 | }; |
116 | ||
4652a0d0 | 117 | static int tegra_snd_trimslice_probe(struct platform_device *pdev) |
1307394a | 118 | { |
bd85a06c | 119 | struct device_node *np = pdev->dev.of_node; |
1307394a MR |
120 | struct snd_soc_card *card = &snd_soc_trimslice; |
121 | struct tegra_trimslice *trimslice; | |
122 | int ret; | |
123 | ||
45c26091 SW |
124 | trimslice = devm_kzalloc(&pdev->dev, sizeof(struct tegra_trimslice), |
125 | GFP_KERNEL); | |
1307394a MR |
126 | if (!trimslice) { |
127 | dev_err(&pdev->dev, "Can't allocate tegra_trimslice\n"); | |
bd85a06c SW |
128 | return -ENOMEM; |
129 | } | |
130 | ||
131 | card->dev = &pdev->dev; | |
132 | platform_set_drvdata(pdev, card); | |
133 | snd_soc_card_set_drvdata(card, trimslice); | |
134 | ||
135 | trimslice_tlv320aic23_dai.codec_of_node = of_parse_phandle(np, | |
136 | "nvidia,audio-codec", 0); | |
137 | if (!trimslice_tlv320aic23_dai.codec_of_node) { | |
138 | dev_err(&pdev->dev, | |
139 | "Property 'nvidia,audio-codec' missing or invalid\n"); | |
140 | ret = -EINVAL; | |
45c26091 | 141 | goto err; |
1307394a MR |
142 | } |
143 | ||
bd85a06c SW |
144 | trimslice_tlv320aic23_dai.cpu_of_node = of_parse_phandle(np, |
145 | "nvidia,i2s-controller", 0); | |
146 | if (!trimslice_tlv320aic23_dai.cpu_of_node) { | |
147 | dev_err(&pdev->dev, | |
148 | "Property 'nvidia,i2s-controller' missing or invalid\n"); | |
149 | ret = -EINVAL; | |
150 | goto err; | |
6264f668 SW |
151 | } |
152 | ||
bd85a06c SW |
153 | trimslice_tlv320aic23_dai.platform_of_node = |
154 | trimslice_tlv320aic23_dai.cpu_of_node; | |
155 | ||
1307394a MR |
156 | ret = tegra_asoc_utils_init(&trimslice->util_data, &pdev->dev); |
157 | if (ret) | |
45c26091 | 158 | goto err; |
1307394a | 159 | |
1307394a MR |
160 | ret = snd_soc_register_card(card); |
161 | if (ret) { | |
162 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", | |
163 | ret); | |
164 | goto err_fini_utils; | |
165 | } | |
166 | ||
167 | return 0; | |
168 | ||
169 | err_fini_utils: | |
170 | tegra_asoc_utils_fini(&trimslice->util_data); | |
45c26091 | 171 | err: |
1307394a MR |
172 | return ret; |
173 | } | |
174 | ||
4652a0d0 | 175 | static int tegra_snd_trimslice_remove(struct platform_device *pdev) |
1307394a MR |
176 | { |
177 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
178 | struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card); | |
179 | ||
180 | snd_soc_unregister_card(card); | |
181 | ||
182 | tegra_asoc_utils_fini(&trimslice->util_data); | |
183 | ||
1307394a MR |
184 | return 0; |
185 | } | |
186 | ||
f6e65744 | 187 | static const struct of_device_id trimslice_of_match[] = { |
6264f668 SW |
188 | { .compatible = "nvidia,tegra-audio-trimslice", }, |
189 | {}, | |
190 | }; | |
191 | MODULE_DEVICE_TABLE(of, trimslice_of_match); | |
192 | ||
1307394a MR |
193 | static struct platform_driver tegra_snd_trimslice_driver = { |
194 | .driver = { | |
195 | .name = DRV_NAME, | |
6264f668 | 196 | .of_match_table = trimslice_of_match, |
1307394a MR |
197 | }, |
198 | .probe = tegra_snd_trimslice_probe, | |
4652a0d0 | 199 | .remove = tegra_snd_trimslice_remove, |
1307394a | 200 | }; |
45c26091 | 201 | module_platform_driver(tegra_snd_trimslice_driver); |
1307394a MR |
202 | |
203 | MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>"); | |
204 | MODULE_DESCRIPTION("Trimslice machine ASoC driver"); | |
205 | MODULE_LICENSE("GPL"); | |
206 | MODULE_ALIAS("platform:" DRV_NAME); |