aboutsummaryrefslogtreecommitdiffstats
path: root/sound/soc/imx
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 12:41:44 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 12:41:44 -0400
commit7f06a8b26aba1dc03b42272dc0089a800372c575 (patch)
tree7c67198f83d069eb13fd417e022d111b7e4c82a1 /sound/soc/imx
parentc3ad33c9bcb6616999953af76f16318120fe3691 (diff)
parentd71f4cece4bd97d05592836202fc04ff2e7817e3 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (250 commits) ALSA: hda: Storage class should be before const qualifier ASoC: tpa6130a2: Remove CPVSS and HPVdd supplies ASoC: tpa6130a2: Define output pins with SND_SOC_DAPM_OUTPUT ASoC: sdp4430 - add sdp4430 pcm ops to DAI. ASoC: TWL6040: Enable earphone path in codec ASoC: SDP4430: Add support for Earphone speaker ASoC: SDP4430: Add sdp4430 machine driver ASoC: tlv320dac33: Avoid powering off while in BIAS_OFF ASoC: tlv320dac33: Use dev_dbg in dac33_hard_power function ALSA: sound/pci/asihpi: Use kzalloc ALSA: hdmi - dont fail on extra nodes ALSA: intelhdmi - add id for the CougarPoint chipset ALSA: intelhdmi - user friendly codec name ALSA: intelhdmi - add dependency on SND_DYNAMIC_MINORS ALSA: asihpi: incorrect range check ALSA: asihpi: testing the wrong variable ALSA: es1688: add pedantic range checks ARM: McBSP: Add support for omap4 in McBSP driver ARM: McBSP: Fix request for irq in OMAP4 OMAP: McBSP: Add 32-bit mode support ...
Diffstat (limited to 'sound/soc/imx')
-rw-r--r--sound/soc/imx/Kconfig8
-rw-r--r--sound/soc/imx/Makefile3
-rw-r--r--sound/soc/imx/wm1133-ev1.c308
3 files changed, 319 insertions, 0 deletions
diff --git a/sound/soc/imx/Kconfig b/sound/soc/imx/Kconfig
index 7174b4c710de..eba9b9d257a1 100644
--- a/sound/soc/imx/Kconfig
+++ b/sound/soc/imx/Kconfig
@@ -11,3 +11,11 @@ config SND_IMX_SOC
11config SND_MXC_SOC_SSI 11config SND_MXC_SOC_SSI
12 tristate 12 tristate
13 13
14config SND_MXC_SOC_WM1133_EV1
15 tristate "Audio on the the i.MX31ADS with WM1133-EV1 fitted"
16 depends on SND_IMX_SOC && EXPERIMENTAL
17 select SND_SOC_WM8350
18 select SND_MXC_SOC_SSI
19 help
20 Enable support for audio on the i.MX31ADS with the WM1133-EV1
21 PMIC board with WM8835x fitted.
diff --git a/sound/soc/imx/Makefile b/sound/soc/imx/Makefile
index 9f8bb92ddfcc..2d203635ac11 100644
--- a/sound/soc/imx/Makefile
+++ b/sound/soc/imx/Makefile
@@ -9,4 +9,7 @@ obj-$(CONFIG_SND_IMX_SOC) += snd-soc-imx.o
9 9
10# i.MX Machine Support 10# i.MX Machine Support
11snd-soc-phycore-ac97-objs := phycore-ac97.o 11snd-soc-phycore-ac97-objs := phycore-ac97.o
12snd-soc-wm1133-ev1-objs := wm1133-ev1.o
13
12obj-$(CONFIG_SND_SOC_PHYCORE_AC97) += snd-soc-phycore-ac97.o 14obj-$(CONFIG_SND_SOC_PHYCORE_AC97) += snd-soc-phycore-ac97.o
15obj-$(CONFIG_SND_MXC_SOC_WM1133_EV1) += snd-soc-wm1133-ev1.o
diff --git a/sound/soc/imx/wm1133-ev1.c b/sound/soc/imx/wm1133-ev1.c
new file mode 100644
index 000000000000..a6e7d9497639
--- /dev/null
+++ b/sound/soc/imx/wm1133-ev1.c
@@ -0,0 +1,308 @@
1/*
2 * wm1133-ev1.c - Audio for WM1133-EV1 on i.MX31ADS
3 *
4 * Copyright (c) 2010 Wolfson Microelectronics plc
5 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
6 *
7 * Based on an earlier driver for the same hardware by Liam Girdwood.
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
13 */
14
15#include <linux/platform_device.h>
16#include <linux/clk.h>
17#include <sound/core.h>
18#include <sound/jack.h>
19#include <sound/pcm.h>
20#include <sound/pcm_params.h>
21#include <sound/soc.h>
22#include <sound/soc-dapm.h>
23
24#include <mach/audmux.h>
25
26#include "imx-ssi.h"
27#include "../codecs/wm8350.h"
28
29/* There is a silicon mic on the board optionally connected via a solder pad
30 * SP1. Define this to enable it.
31 */
32#undef USE_SIMIC
33
34struct _wm8350_audio {
35 unsigned int channels;
36 snd_pcm_format_t format;
37 unsigned int rate;
38 unsigned int sysclk;
39 unsigned int bclkdiv;
40 unsigned int clkdiv;
41 unsigned int lr_rate;
42};
43
44/* in order of power consumption per rate (lowest first) */
45static const struct _wm8350_audio wm8350_audio[] = {
46 /* 16bit mono modes */
47 {1, SNDRV_PCM_FORMAT_S16_LE, 8000, 12288000 >> 1,
48 WM8350_BCLK_DIV_48, WM8350_DACDIV_3, 16,},
49
50 /* 16 bit stereo modes */
51 {2, SNDRV_PCM_FORMAT_S16_LE, 8000, 12288000,
52 WM8350_BCLK_DIV_48, WM8350_DACDIV_6, 32,},
53 {2, SNDRV_PCM_FORMAT_S16_LE, 16000, 12288000,
54 WM8350_BCLK_DIV_24, WM8350_DACDIV_3, 32,},
55 {2, SNDRV_PCM_FORMAT_S16_LE, 32000, 12288000,
56 WM8350_BCLK_DIV_12, WM8350_DACDIV_1_5, 32,},
57 {2, SNDRV_PCM_FORMAT_S16_LE, 48000, 12288000,
58 WM8350_BCLK_DIV_8, WM8350_DACDIV_1, 32,},
59 {2, SNDRV_PCM_FORMAT_S16_LE, 96000, 24576000,
60 WM8350_BCLK_DIV_8, WM8350_DACDIV_1, 32,},
61 {2, SNDRV_PCM_FORMAT_S16_LE, 11025, 11289600,
62 WM8350_BCLK_DIV_32, WM8350_DACDIV_4, 32,},
63 {2, SNDRV_PCM_FORMAT_S16_LE, 22050, 11289600,
64 WM8350_BCLK_DIV_16, WM8350_DACDIV_2, 32,},
65 {2, SNDRV_PCM_FORMAT_S16_LE, 44100, 11289600,
66 WM8350_BCLK_DIV_8, WM8350_DACDIV_1, 32,},
67 {2, SNDRV_PCM_FORMAT_S16_LE, 88200, 22579200,
68 WM8350_BCLK_DIV_8, WM8350_DACDIV_1, 32,},
69
70 /* 24bit stereo modes */
71 {2, SNDRV_PCM_FORMAT_S24_LE, 48000, 12288000,
72 WM8350_BCLK_DIV_4, WM8350_DACDIV_1, 64,},
73 {2, SNDRV_PCM_FORMAT_S24_LE, 96000, 24576000,
74 WM8350_BCLK_DIV_4, WM8350_DACDIV_1, 64,},
75 {2, SNDRV_PCM_FORMAT_S24_LE, 44100, 11289600,
76 WM8350_BCLK_DIV_4, WM8350_DACDIV_1, 64,},
77 {2, SNDRV_PCM_FORMAT_S24_LE, 88200, 22579200,
78 WM8350_BCLK_DIV_4, WM8350_DACDIV_1, 64,},
79};
80
81static int wm1133_ev1_hw_params(struct snd_pcm_substream *substream,
82 struct snd_pcm_hw_params *params)
83{
84 struct snd_soc_pcm_runtime *rtd = substream->private_data;
85 struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
86 struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
87 int i, found = 0;
88 snd_pcm_format_t format = params_format(params);
89 unsigned int rate = params_rate(params);
90 unsigned int channels = params_channels(params);
91 u32 dai_format;
92
93 /* find the correct audio parameters */
94 for (i = 0; i < ARRAY_SIZE(wm8350_audio); i++) {
95 if (rate == wm8350_audio[i].rate &&
96 format == wm8350_audio[i].format &&
97 channels == wm8350_audio[i].channels) {
98 found = 1;
99 break;
100 }
101 }
102 if (!found)
103 return -EINVAL;
104
105 /* codec FLL input is 14.75 MHz from MCLK */
106 snd_soc_dai_set_pll(codec_dai, 0, 0, 14750000, wm8350_audio[i].sysclk);
107
108 dai_format = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
109 SND_SOC_DAIFMT_CBM_CFM;
110
111 /* set codec DAI configuration */
112 snd_soc_dai_set_fmt(codec_dai, dai_format);
113
114 /* set cpu DAI configuration */
115 snd_soc_dai_set_fmt(cpu_dai, dai_format);
116
117 /* TODO: The SSI driver should figure this out for us */
118 switch (channels) {
119 case 2:
120 snd_soc_dai_set_tdm_slot(cpu_dai, 0xffffffc, 0xffffffc, 2, 0);
121 break;
122 case 1:
123 snd_soc_dai_set_tdm_slot(cpu_dai, 0xffffffe, 0xffffffe, 1, 0);
124 break;
125 default:
126 return -EINVAL;
127 }
128
129 /* set MCLK as the codec system clock for DAC and ADC */
130 snd_soc_dai_set_sysclk(codec_dai, WM8350_MCLK_SEL_PLL_MCLK,
131 wm8350_audio[i].sysclk, SND_SOC_CLOCK_IN);
132
133 /* set codec BCLK division for sample rate */
134 snd_soc_dai_set_clkdiv(codec_dai, WM8350_BCLK_CLKDIV,
135 wm8350_audio[i].bclkdiv);
136
137 /* DAI is synchronous and clocked with DAC LRCLK & ADC LRC */
138 snd_soc_dai_set_clkdiv(codec_dai,
139 WM8350_DACLR_CLKDIV, wm8350_audio[i].lr_rate);
140 snd_soc_dai_set_clkdiv(codec_dai,
141 WM8350_ADCLR_CLKDIV, wm8350_audio[i].lr_rate);
142
143 /* now configure DAC and ADC clocks */
144 snd_soc_dai_set_clkdiv(codec_dai,
145 WM8350_DAC_CLKDIV, wm8350_audio[i].clkdiv);
146
147 snd_soc_dai_set_clkdiv(codec_dai,
148 WM8350_ADC_CLKDIV, wm8350_audio[i].clkdiv);
149
150 return 0;
151}
152
153static struct snd_soc_ops wm1133_ev1_ops = {
154 .hw_params = wm1133_ev1_hw_params,
155};
156
157static const struct snd_soc_dapm_widget wm1133_ev1_widgets[] = {
158#ifdef USE_SIMIC
159 SND_SOC_DAPM_MIC("SiMIC", NULL),
160#endif
161 SND_SOC_DAPM_MIC("Mic1 Jack", NULL),
162 SND_SOC_DAPM_MIC("Mic2 Jack", NULL),
163 SND_SOC_DAPM_LINE("Line In Jack", NULL),
164 SND_SOC_DAPM_LINE("Line Out Jack", NULL),
165 SND_SOC_DAPM_HP("Headphone Jack", NULL),
166};
167
168/* imx32ads soc_card audio map */
169static const struct snd_soc_dapm_route wm1133_ev1_map[] = {
170
171#ifdef USE_SIMIC
172 /* SiMIC --> IN1LN (with automatic bias) via SP1 */
173 { "IN1LN", NULL, "Mic Bias" },
174 { "Mic Bias", NULL, "SiMIC" },
175#endif
176
177 /* Mic 1 Jack --> IN1LN and IN1LP (with automatic bias) */
178 { "IN1LN", NULL, "Mic Bias" },
179 { "IN1LP", NULL, "Mic1 Jack" },
180 { "Mic Bias", NULL, "Mic1 Jack" },
181
182 /* Mic 2 Jack --> IN1RN and IN1RP (with automatic bias) */
183 { "IN1RN", NULL, "Mic Bias" },
184 { "IN1RP", NULL, "Mic2 Jack" },
185 { "Mic Bias", NULL, "Mic2 Jack" },
186
187 /* Line in Jack --> AUX (L+R) */
188 { "IN3R", NULL, "Line In Jack" },
189 { "IN3L", NULL, "Line In Jack" },
190
191 /* Out1 --> Headphone Jack */
192 { "Headphone Jack", NULL, "OUT1R" },
193 { "Headphone Jack", NULL, "OUT1L" },
194
195 /* Out1 --> Line Out Jack */
196 { "Line Out Jack", NULL, "OUT2R" },
197 { "Line Out Jack", NULL, "OUT2L" },
198};
199
200static struct snd_soc_jack hp_jack;
201
202static struct snd_soc_jack_pin hp_jack_pins[] = {
203 { .pin = "Headphone Jack", .mask = SND_JACK_HEADPHONE },
204};
205
206static struct snd_soc_jack mic_jack;
207
208static struct snd_soc_jack_pin mic_jack_pins[] = {
209 { .pin = "Mic1 Jack", .mask = SND_JACK_MICROPHONE },
210 { .pin = "Mic2 Jack", .mask = SND_JACK_MICROPHONE },
211};
212
213static int wm1133_ev1_init(struct snd_soc_codec *codec)
214{
215 struct snd_soc_card *card = codec->socdev->card;
216
217 snd_soc_dapm_new_controls(codec, wm1133_ev1_widgets,
218 ARRAY_SIZE(wm1133_ev1_widgets));
219
220 snd_soc_dapm_add_routes(codec, wm1133_ev1_map,
221 ARRAY_SIZE(wm1133_ev1_map));
222
223 /* Headphone jack detection */
224 snd_soc_jack_new(card, "Headphone", SND_JACK_HEADPHONE, &hp_jack);
225 snd_soc_jack_add_pins(&hp_jack, ARRAY_SIZE(hp_jack_pins),
226 hp_jack_pins);
227 wm8350_hp_jack_detect(codec, WM8350_JDR, &hp_jack, SND_JACK_HEADPHONE);
228
229 /* Microphone jack detection */
230 snd_soc_jack_new(card, "Microphone",
231 SND_JACK_MICROPHONE | SND_JACK_BTN_0, &mic_jack);
232 snd_soc_jack_add_pins(&mic_jack, ARRAY_SIZE(mic_jack_pins),
233 mic_jack_pins);
234 wm8350_mic_jack_detect(codec, &mic_jack, SND_JACK_MICROPHONE,
235 SND_JACK_BTN_0);
236
237 snd_soc_dapm_force_enable_pin(codec, "Mic Bias");
238
239 return 0;
240}
241
242
243static struct snd_soc_dai_link wm1133_ev1_dai = {
244 .name = "WM1133-EV1",
245 .stream_name = "Audio",
246 .cpu_dai = &imx_ssi_pcm_dai[0],
247 .codec_dai = &wm8350_dai,
248 .init = wm1133_ev1_init,
249 .ops = &wm1133_ev1_ops,
250 .symmetric_rates = 1,
251};
252
253static struct snd_soc_card wm1133_ev1 = {
254 .name = "WM1133-EV1",
255 .platform = &imx_soc_platform,
256 .dai_link = &wm1133_ev1_dai,
257 .num_links = 1,
258};
259
260static struct snd_soc_device wm1133_ev1_snd_devdata = {
261 .card = &wm1133_ev1,
262 .codec_dev = &soc_codec_dev_wm8350,
263};
264
265static struct platform_device *wm1133_ev1_snd_device;
266
267static int __init wm1133_ev1_audio_init(void)
268{
269 int ret;
270 unsigned int ptcr, pdcr;
271
272 /* SSI0 mastered by port 5 */
273 ptcr = MXC_AUDMUX_V2_PTCR_SYN |
274 MXC_AUDMUX_V2_PTCR_TFSDIR |
275 MXC_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT5_SSI_PINS_5) |
276 MXC_AUDMUX_V2_PTCR_TCLKDIR |
277 MXC_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT5_SSI_PINS_5);
278 pdcr = MXC_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT5_SSI_PINS_5);
279 mxc_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0, ptcr, pdcr);
280
281 ptcr = MXC_AUDMUX_V2_PTCR_SYN;
282 pdcr = MXC_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0);
283 mxc_audmux_v2_configure_port(MX31_AUDMUX_PORT5_SSI_PINS_5, ptcr, pdcr);
284
285 wm1133_ev1_snd_device = platform_device_alloc("soc-audio", -1);
286 if (!wm1133_ev1_snd_device)
287 return -ENOMEM;
288
289 platform_set_drvdata(wm1133_ev1_snd_device, &wm1133_ev1_snd_devdata);
290 wm1133_ev1_snd_devdata.dev = &wm1133_ev1_snd_device->dev;
291 ret = platform_device_add(wm1133_ev1_snd_device);
292
293 if (ret)
294 platform_device_put(wm1133_ev1_snd_device);
295
296 return ret;
297}
298module_init(wm1133_ev1_audio_init);
299
300static void __exit wm1133_ev1_audio_exit(void)
301{
302 platform_device_unregister(wm1133_ev1_snd_device);
303}
304module_exit(wm1133_ev1_audio_exit);
305
306MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
307MODULE_DESCRIPTION("Audio for WM1133-EV1 on i.MX31ADS");
308MODULE_LICENSE("GPL");