17fb290d0SLiam Girdwood /* 27fb290d0SLiam Girdwood * spitz.c -- SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita 37fb290d0SLiam Girdwood * 47fb290d0SLiam Girdwood * Copyright 2005 Wolfson Microelectronics PLC. 57fb290d0SLiam Girdwood * Copyright 2005 Openedhand Ltd. 67fb290d0SLiam Girdwood * 77fb290d0SLiam Girdwood * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com> 87fb290d0SLiam Girdwood * Richard Purdie <richard@openedhand.com> 97fb290d0SLiam Girdwood * 107fb290d0SLiam Girdwood * This program is free software; you can redistribute it and/or modify it 117fb290d0SLiam Girdwood * under the terms of the GNU General Public License as published by the 127fb290d0SLiam Girdwood * Free Software Foundation; either version 2 of the License, or (at your 137fb290d0SLiam Girdwood * option) any later version. 147fb290d0SLiam Girdwood * 157fb290d0SLiam Girdwood */ 167fb290d0SLiam Girdwood 177fb290d0SLiam Girdwood #include <linux/module.h> 187fb290d0SLiam Girdwood #include <linux/moduleparam.h> 197fb290d0SLiam Girdwood #include <linux/timer.h> 207fb290d0SLiam Girdwood #include <linux/interrupt.h> 217fb290d0SLiam Girdwood #include <linux/platform_device.h> 22fff14720SEric Miao #include <linux/gpio.h> 237fb290d0SLiam Girdwood #include <sound/core.h> 247fb290d0SLiam Girdwood #include <sound/pcm.h> 257fb290d0SLiam Girdwood #include <sound/soc.h> 267fb290d0SLiam Girdwood #include <sound/soc-dapm.h> 277fb290d0SLiam Girdwood 287fb290d0SLiam Girdwood #include <asm/mach-types.h> 29a09e64fbSRussell King #include <mach/pxa-regs.h> 30a09e64fbSRussell King #include <mach/hardware.h> 31a09e64fbSRussell King #include <mach/spitz.h> 327fb290d0SLiam Girdwood #include "../codecs/wm8750.h" 337fb290d0SLiam Girdwood #include "pxa2xx-pcm.h" 3497952f60SLiam Girdwood #include "pxa2xx-i2s.h" 357fb290d0SLiam Girdwood 367fb290d0SLiam Girdwood #define SPITZ_HP 0 377fb290d0SLiam Girdwood #define SPITZ_MIC 1 387fb290d0SLiam Girdwood #define SPITZ_LINE 2 397fb290d0SLiam Girdwood #define SPITZ_HEADSET 3 407fb290d0SLiam Girdwood #define SPITZ_HP_OFF 4 417fb290d0SLiam Girdwood #define SPITZ_SPK_ON 0 427fb290d0SLiam Girdwood #define SPITZ_SPK_OFF 1 437fb290d0SLiam Girdwood 447fb290d0SLiam Girdwood /* audio clock in Hz - rounded from 12.235MHz */ 457fb290d0SLiam Girdwood #define SPITZ_AUDIO_CLOCK 12288000 467fb290d0SLiam Girdwood 477fb290d0SLiam Girdwood static int spitz_jack_func; 487fb290d0SLiam Girdwood static int spitz_spk_func; 497fb290d0SLiam Girdwood 507fb290d0SLiam Girdwood static void spitz_ext_control(struct snd_soc_codec *codec) 517fb290d0SLiam Girdwood { 527fb290d0SLiam Girdwood if (spitz_spk_func == SPITZ_SPK_ON) 53a5302181SLiam Girdwood snd_soc_dapm_enable_pin(codec, "Ext Spk"); 547fb290d0SLiam Girdwood else 55a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Ext Spk"); 567fb290d0SLiam Girdwood 577fb290d0SLiam Girdwood /* set up jack connection */ 587fb290d0SLiam Girdwood switch (spitz_jack_func) { 597fb290d0SLiam Girdwood case SPITZ_HP: 607fb290d0SLiam Girdwood /* enable and unmute hp jack, disable mic bias */ 61a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headset Jack"); 62a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Mic Jack"); 63a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Line Jack"); 64a5302181SLiam Girdwood snd_soc_dapm_enable_pin(codec, "Headphone Jack"); 65fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 1); 66fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 1); 677fb290d0SLiam Girdwood break; 687fb290d0SLiam Girdwood case SPITZ_MIC: 697fb290d0SLiam Girdwood /* enable mic jack and bias, mute hp */ 70a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headphone Jack"); 71a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headset Jack"); 72a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Line Jack"); 73a5302181SLiam Girdwood snd_soc_dapm_enable_pin(codec, "Mic Jack"); 74fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 0); 75fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 0); 767fb290d0SLiam Girdwood break; 777fb290d0SLiam Girdwood case SPITZ_LINE: 787fb290d0SLiam Girdwood /* enable line jack, disable mic bias and mute hp */ 79a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headphone Jack"); 80a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headset Jack"); 81a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Mic Jack"); 82a5302181SLiam Girdwood snd_soc_dapm_enable_pin(codec, "Line Jack"); 83fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 0); 84fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 0); 857fb290d0SLiam Girdwood break; 867fb290d0SLiam Girdwood case SPITZ_HEADSET: 877fb290d0SLiam Girdwood /* enable and unmute headset jack enable mic bias, mute L hp */ 88a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headphone Jack"); 89a5302181SLiam Girdwood snd_soc_dapm_enable_pin(codec, "Mic Jack"); 90a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Line Jack"); 91a5302181SLiam Girdwood snd_soc_dapm_enable_pin(codec, "Headset Jack"); 92fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 0); 93fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 1); 947fb290d0SLiam Girdwood break; 957fb290d0SLiam Girdwood case SPITZ_HP_OFF: 967fb290d0SLiam Girdwood 977fb290d0SLiam Girdwood /* jack removed, everything off */ 98a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headphone Jack"); 99a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Headset Jack"); 100a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Mic Jack"); 101a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "Line Jack"); 102fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_L, 0); 103fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MUTE_R, 0); 1047fb290d0SLiam Girdwood break; 1057fb290d0SLiam Girdwood } 106a5302181SLiam Girdwood snd_soc_dapm_sync(codec); 1077fb290d0SLiam Girdwood } 1087fb290d0SLiam Girdwood 1097fb290d0SLiam Girdwood static int spitz_startup(struct snd_pcm_substream *substream) 1107fb290d0SLiam Girdwood { 1117fb290d0SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 1127fb290d0SLiam Girdwood struct snd_soc_codec *codec = rtd->socdev->codec; 1137fb290d0SLiam Girdwood 1147fb290d0SLiam Girdwood /* check the jack status at stream startup */ 1157fb290d0SLiam Girdwood spitz_ext_control(codec); 1167fb290d0SLiam Girdwood return 0; 1177fb290d0SLiam Girdwood } 1187fb290d0SLiam Girdwood 11997952f60SLiam Girdwood static int spitz_hw_params(struct snd_pcm_substream *substream, 12097952f60SLiam Girdwood struct snd_pcm_hw_params *params) 12197952f60SLiam Girdwood { 12297952f60SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 123917f93acSLiam Girdwood struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; 124917f93acSLiam Girdwood struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; 12597952f60SLiam Girdwood unsigned int clk = 0; 12697952f60SLiam Girdwood int ret = 0; 12797952f60SLiam Girdwood 12897952f60SLiam Girdwood switch (params_rate(params)) { 12997952f60SLiam Girdwood case 8000: 13097952f60SLiam Girdwood case 16000: 13197952f60SLiam Girdwood case 48000: 13297952f60SLiam Girdwood case 96000: 13397952f60SLiam Girdwood clk = 12288000; 13497952f60SLiam Girdwood break; 13597952f60SLiam Girdwood case 11025: 13697952f60SLiam Girdwood case 22050: 13797952f60SLiam Girdwood case 44100: 13897952f60SLiam Girdwood clk = 11289600; 13997952f60SLiam Girdwood break; 14097952f60SLiam Girdwood } 14197952f60SLiam Girdwood 14297952f60SLiam Girdwood /* set codec DAI configuration */ 14364105cfdSLiam Girdwood ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | 14497952f60SLiam Girdwood SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); 14597952f60SLiam Girdwood if (ret < 0) 14697952f60SLiam Girdwood return ret; 14797952f60SLiam Girdwood 14897952f60SLiam Girdwood /* set cpu DAI configuration */ 14964105cfdSLiam Girdwood ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | 15097952f60SLiam Girdwood SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); 15197952f60SLiam Girdwood if (ret < 0) 15297952f60SLiam Girdwood return ret; 15397952f60SLiam Girdwood 15497952f60SLiam Girdwood /* set the codec system clock for DAC and ADC */ 15564105cfdSLiam Girdwood ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk, 15697952f60SLiam Girdwood SND_SOC_CLOCK_IN); 15797952f60SLiam Girdwood if (ret < 0) 15897952f60SLiam Girdwood return ret; 15997952f60SLiam Girdwood 16097952f60SLiam Girdwood /* set the I2S system clock as input (unused) */ 16164105cfdSLiam Girdwood ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, 16297952f60SLiam Girdwood SND_SOC_CLOCK_IN); 16397952f60SLiam Girdwood if (ret < 0) 16497952f60SLiam Girdwood return ret; 16597952f60SLiam Girdwood 16697952f60SLiam Girdwood return 0; 16797952f60SLiam Girdwood } 16897952f60SLiam Girdwood 1697fb290d0SLiam Girdwood static struct snd_soc_ops spitz_ops = { 1707fb290d0SLiam Girdwood .startup = spitz_startup, 17197952f60SLiam Girdwood .hw_params = spitz_hw_params, 1727fb290d0SLiam Girdwood }; 1737fb290d0SLiam Girdwood 1747fb290d0SLiam Girdwood static int spitz_get_jack(struct snd_kcontrol *kcontrol, 1757fb290d0SLiam Girdwood struct snd_ctl_elem_value *ucontrol) 1767fb290d0SLiam Girdwood { 1777fb290d0SLiam Girdwood ucontrol->value.integer.value[0] = spitz_jack_func; 1787fb290d0SLiam Girdwood return 0; 1797fb290d0SLiam Girdwood } 1807fb290d0SLiam Girdwood 1817fb290d0SLiam Girdwood static int spitz_set_jack(struct snd_kcontrol *kcontrol, 1827fb290d0SLiam Girdwood struct snd_ctl_elem_value *ucontrol) 1837fb290d0SLiam Girdwood { 1847fb290d0SLiam Girdwood struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 1857fb290d0SLiam Girdwood 1867fb290d0SLiam Girdwood if (spitz_jack_func == ucontrol->value.integer.value[0]) 1877fb290d0SLiam Girdwood return 0; 1887fb290d0SLiam Girdwood 1897fb290d0SLiam Girdwood spitz_jack_func = ucontrol->value.integer.value[0]; 1907fb290d0SLiam Girdwood spitz_ext_control(codec); 1917fb290d0SLiam Girdwood return 1; 1927fb290d0SLiam Girdwood } 1937fb290d0SLiam Girdwood 1947fb290d0SLiam Girdwood static int spitz_get_spk(struct snd_kcontrol *kcontrol, 1957fb290d0SLiam Girdwood struct snd_ctl_elem_value *ucontrol) 1967fb290d0SLiam Girdwood { 1977fb290d0SLiam Girdwood ucontrol->value.integer.value[0] = spitz_spk_func; 1987fb290d0SLiam Girdwood return 0; 1997fb290d0SLiam Girdwood } 2007fb290d0SLiam Girdwood 2017fb290d0SLiam Girdwood static int spitz_set_spk(struct snd_kcontrol *kcontrol, 2027fb290d0SLiam Girdwood struct snd_ctl_elem_value *ucontrol) 2037fb290d0SLiam Girdwood { 2047fb290d0SLiam Girdwood struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 2057fb290d0SLiam Girdwood 2067fb290d0SLiam Girdwood if (spitz_spk_func == ucontrol->value.integer.value[0]) 2077fb290d0SLiam Girdwood return 0; 2087fb290d0SLiam Girdwood 2097fb290d0SLiam Girdwood spitz_spk_func = ucontrol->value.integer.value[0]; 2107fb290d0SLiam Girdwood spitz_ext_control(codec); 2117fb290d0SLiam Girdwood return 1; 2127fb290d0SLiam Girdwood } 2137fb290d0SLiam Girdwood 214338c7ed0SJarkko Nikula static int spitz_mic_bias(struct snd_soc_dapm_widget *w, 215338c7ed0SJarkko Nikula struct snd_kcontrol *k, int event) 2167fb290d0SLiam Girdwood { 217fff14720SEric Miao if (machine_is_borzoi() || machine_is_spitz()) 218fff14720SEric Miao gpio_set_value(SPITZ_GPIO_MIC_BIAS, 219fff14720SEric Miao SND_SOC_DAPM_EVENT_ON(event)); 2207fb290d0SLiam Girdwood 221f72de663SEric Miao if (machine_is_akita()) 222f72de663SEric Miao gpio_set_value(AKITA_GPIO_MIC_BIAS, 223f72de663SEric Miao SND_SOC_DAPM_EVENT_ON(event)); 224f72de663SEric Miao 2257fb290d0SLiam Girdwood return 0; 2267fb290d0SLiam Girdwood } 2277fb290d0SLiam Girdwood 2287fb290d0SLiam Girdwood /* spitz machine dapm widgets */ 2297fb290d0SLiam Girdwood static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { 2307fb290d0SLiam Girdwood SND_SOC_DAPM_HP("Headphone Jack", NULL), 2317fb290d0SLiam Girdwood SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias), 2327fb290d0SLiam Girdwood SND_SOC_DAPM_SPK("Ext Spk", NULL), 2337fb290d0SLiam Girdwood SND_SOC_DAPM_LINE("Line Jack", NULL), 2347fb290d0SLiam Girdwood 2357fb290d0SLiam Girdwood /* headset is a mic and mono headphone */ 2367fb290d0SLiam Girdwood SND_SOC_DAPM_HP("Headset Jack", NULL), 2377fb290d0SLiam Girdwood }; 2387fb290d0SLiam Girdwood 2397fb290d0SLiam Girdwood /* Spitz machine audio_map */ 24025191c45SMark Brown static const struct snd_soc_dapm_route audio_map[] = { 2417fb290d0SLiam Girdwood 2427fb290d0SLiam Girdwood /* headphone connected to LOUT1, ROUT1 */ 2437fb290d0SLiam Girdwood {"Headphone Jack", NULL, "LOUT1"}, 2447fb290d0SLiam Girdwood {"Headphone Jack", NULL, "ROUT1"}, 2457fb290d0SLiam Girdwood 2467fb290d0SLiam Girdwood /* headset connected to ROUT1 and LINPUT1 with bias (def below) */ 2477fb290d0SLiam Girdwood {"Headset Jack", NULL, "ROUT1"}, 2487fb290d0SLiam Girdwood 2497fb290d0SLiam Girdwood /* ext speaker connected to LOUT2, ROUT2 */ 2507fb290d0SLiam Girdwood {"Ext Spk", NULL , "ROUT2"}, 2517fb290d0SLiam Girdwood {"Ext Spk", NULL , "LOUT2"}, 2527fb290d0SLiam Girdwood 2537fb290d0SLiam Girdwood /* mic is connected to input 1 - with bias */ 2547fb290d0SLiam Girdwood {"LINPUT1", NULL, "Mic Bias"}, 2557fb290d0SLiam Girdwood {"Mic Bias", NULL, "Mic Jack"}, 2567fb290d0SLiam Girdwood 2577fb290d0SLiam Girdwood /* line is connected to input 1 - no bias */ 2587fb290d0SLiam Girdwood {"LINPUT1", NULL, "Line Jack"}, 2597fb290d0SLiam Girdwood }; 2607fb290d0SLiam Girdwood 2617fb290d0SLiam Girdwood static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", 2627fb290d0SLiam Girdwood "Off"}; 2637fb290d0SLiam Girdwood static const char *spk_function[] = {"On", "Off"}; 2647fb290d0SLiam Girdwood static const struct soc_enum spitz_enum[] = { 2657fb290d0SLiam Girdwood SOC_ENUM_SINGLE_EXT(5, jack_function), 2667fb290d0SLiam Girdwood SOC_ENUM_SINGLE_EXT(2, spk_function), 2677fb290d0SLiam Girdwood }; 2687fb290d0SLiam Girdwood 2697fb290d0SLiam Girdwood static const struct snd_kcontrol_new wm8750_spitz_controls[] = { 2707fb290d0SLiam Girdwood SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack, 2717fb290d0SLiam Girdwood spitz_set_jack), 2727fb290d0SLiam Girdwood SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk, 2737fb290d0SLiam Girdwood spitz_set_spk), 2747fb290d0SLiam Girdwood }; 2757fb290d0SLiam Girdwood 2767fb290d0SLiam Girdwood /* 2777fb290d0SLiam Girdwood * Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device 2787fb290d0SLiam Girdwood */ 2797fb290d0SLiam Girdwood static int spitz_wm8750_init(struct snd_soc_codec *codec) 2807fb290d0SLiam Girdwood { 2817fb290d0SLiam Girdwood int i, err; 2827fb290d0SLiam Girdwood 2837fb290d0SLiam Girdwood /* NC codec pins */ 284a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "RINPUT1"); 285a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "LINPUT2"); 286a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "RINPUT2"); 287a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "LINPUT3"); 288a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "RINPUT3"); 289a5302181SLiam Girdwood snd_soc_dapm_disable_pin(codec, "OUT3"); 290ea381b7bSDmitry Baryshkov snd_soc_dapm_disable_pin(codec, "MONO1"); 2917fb290d0SLiam Girdwood 2927fb290d0SLiam Girdwood /* Add spitz specific controls */ 2937fb290d0SLiam Girdwood for (i = 0; i < ARRAY_SIZE(wm8750_spitz_controls); i++) { 2947fb290d0SLiam Girdwood err = snd_ctl_add(codec->card, 2957fb290d0SLiam Girdwood snd_soc_cnew(&wm8750_spitz_controls[i], codec, NULL)); 2967fb290d0SLiam Girdwood if (err < 0) 2977fb290d0SLiam Girdwood return err; 2987fb290d0SLiam Girdwood } 2997fb290d0SLiam Girdwood 3007fb290d0SLiam Girdwood /* Add spitz specific widgets */ 30125191c45SMark Brown snd_soc_dapm_new_controls(codec, wm8750_dapm_widgets, 30225191c45SMark Brown ARRAY_SIZE(wm8750_dapm_widgets)); 3037fb290d0SLiam Girdwood 30425191c45SMark Brown /* Set up spitz specific audio paths */ 30525191c45SMark Brown snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); 3067fb290d0SLiam Girdwood 307a5302181SLiam Girdwood snd_soc_dapm_sync(codec); 3087fb290d0SLiam Girdwood return 0; 3097fb290d0SLiam Girdwood } 3107fb290d0SLiam Girdwood 3117fb290d0SLiam Girdwood /* spitz digital audio interface glue - connects codec <--> CPU */ 3127fb290d0SLiam Girdwood static struct snd_soc_dai_link spitz_dai = { 3137fb290d0SLiam Girdwood .name = "wm8750", 3147fb290d0SLiam Girdwood .stream_name = "WM8750", 3157fb290d0SLiam Girdwood .cpu_dai = &pxa_i2s_dai, 3167fb290d0SLiam Girdwood .codec_dai = &wm8750_dai, 3177fb290d0SLiam Girdwood .init = spitz_wm8750_init, 31897952f60SLiam Girdwood .ops = &spitz_ops, 3197fb290d0SLiam Girdwood }; 3207fb290d0SLiam Girdwood 3217fb290d0SLiam Girdwood /* spitz audio machine driver */ 3227fb290d0SLiam Girdwood static struct snd_soc_machine snd_soc_machine_spitz = { 3237fb290d0SLiam Girdwood .name = "Spitz", 3247fb290d0SLiam Girdwood .dai_link = &spitz_dai, 3257fb290d0SLiam Girdwood .num_links = 1, 3267fb290d0SLiam Girdwood }; 3277fb290d0SLiam Girdwood 3287fb290d0SLiam Girdwood /* spitz audio private data */ 3297fb290d0SLiam Girdwood static struct wm8750_setup_data spitz_wm8750_setup = { 3307fb290d0SLiam Girdwood .i2c_address = 0x1b, 3317fb290d0SLiam Girdwood }; 3327fb290d0SLiam Girdwood 3337fb290d0SLiam Girdwood /* spitz audio subsystem */ 3347fb290d0SLiam Girdwood static struct snd_soc_device spitz_snd_devdata = { 3357fb290d0SLiam Girdwood .machine = &snd_soc_machine_spitz, 3367fb290d0SLiam Girdwood .platform = &pxa2xx_soc_platform, 3377fb290d0SLiam Girdwood .codec_dev = &soc_codec_dev_wm8750, 3387fb290d0SLiam Girdwood .codec_data = &spitz_wm8750_setup, 3397fb290d0SLiam Girdwood }; 3407fb290d0SLiam Girdwood 3417fb290d0SLiam Girdwood static struct platform_device *spitz_snd_device; 3427fb290d0SLiam Girdwood 3437fb290d0SLiam Girdwood static int __init spitz_init(void) 3447fb290d0SLiam Girdwood { 3457fb290d0SLiam Girdwood int ret; 3467fb290d0SLiam Girdwood 3477fb290d0SLiam Girdwood if (!(machine_is_spitz() || machine_is_borzoi() || machine_is_akita())) 3487fb290d0SLiam Girdwood return -ENODEV; 3497fb290d0SLiam Girdwood 3507fb290d0SLiam Girdwood spitz_snd_device = platform_device_alloc("soc-audio", -1); 3517fb290d0SLiam Girdwood if (!spitz_snd_device) 3527fb290d0SLiam Girdwood return -ENOMEM; 3537fb290d0SLiam Girdwood 3547fb290d0SLiam Girdwood platform_set_drvdata(spitz_snd_device, &spitz_snd_devdata); 3557fb290d0SLiam Girdwood spitz_snd_devdata.dev = &spitz_snd_device->dev; 3567fb290d0SLiam Girdwood ret = platform_device_add(spitz_snd_device); 3577fb290d0SLiam Girdwood 3587fb290d0SLiam Girdwood if (ret) 3597fb290d0SLiam Girdwood platform_device_put(spitz_snd_device); 3607fb290d0SLiam Girdwood 3617fb290d0SLiam Girdwood return ret; 3627fb290d0SLiam Girdwood } 3637fb290d0SLiam Girdwood 3647fb290d0SLiam Girdwood static void __exit spitz_exit(void) 3657fb290d0SLiam Girdwood { 3667fb290d0SLiam Girdwood platform_device_unregister(spitz_snd_device); 3677fb290d0SLiam Girdwood } 3687fb290d0SLiam Girdwood 3697fb290d0SLiam Girdwood module_init(spitz_init); 3707fb290d0SLiam Girdwood module_exit(spitz_exit); 3717fb290d0SLiam Girdwood 3727fb290d0SLiam Girdwood MODULE_AUTHOR("Richard Purdie"); 3737fb290d0SLiam Girdwood MODULE_DESCRIPTION("ALSA SoC Spitz"); 3747fb290d0SLiam Girdwood MODULE_LICENSE("GPL"); 375