[deliverable/linux.git] / sound / soc / pxa / magician.c

/*
 * SoC audio for HTC Magician
 *
 * Copyright (c) 2006 Philipp Zabel <philipp.zabel@gmail.com>
 *
 * based on spitz.c,
 * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
 *          Richard Purdie <richard@openedhand.com>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#include <linux/module.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/i2c.h>

#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/uda1380.h>

#include <mach/magician.h>
#include <asm/mach-types.h>
#include "../codecs/uda1380.h"
#include "pxa2xx-i2s.h"
#include "pxa-ssp.h"

#define MAGICIAN_MIC       0
#define MAGICIAN_MIC_EXT   1

static int magician_hp_switch;
static int magician_spk_switch = 1;
static int magician_in_sel = MAGICIAN_MIC;

static void magician_ext_control(struct snd_soc_codec *codec)
{
	struct snd_soc_dapm_context *dapm = &codec->dapm;

	if (magician_spk_switch)
		snd_soc_dapm_enable_pin(dapm, "Speaker");
	else
		snd_soc_dapm_disable_pin(dapm, "Speaker");
	if (magician_hp_switch)
		snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
	else
		snd_soc_dapm_disable_pin(dapm, "Headphone Jack");

	switch (magician_in_sel) {
	case MAGICIAN_MIC:
		snd_soc_dapm_disable_pin(dapm, "Headset Mic");
		snd_soc_dapm_enable_pin(dapm, "Call Mic");
		break;
	case MAGICIAN_MIC_EXT:
		snd_soc_dapm_disable_pin(dapm, "Call Mic");
		snd_soc_dapm_enable_pin(dapm, "Headset Mic");
		break;
	}

	snd_soc_dapm_sync(dapm);
}

static int magician_startup(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_codec *codec = rtd->codec;

	mutex_lock(&codec->mutex);

	/* check the jack status at stream startup */
	magician_ext_control(codec);

	mutex_unlock(&codec->mutex);

	return 0;
}

/*
 * Magician uses SSP port for playback.
 */
static int magician_playback_hw_params(struct snd_pcm_substream *substream,
				       struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	unsigned int acps, acds, width;
	unsigned int div4 = PXA_SSP_CLK_SCDB_4;
	int ret = 0;

	width = snd_pcm_format_physical_width(params_format(params));

	/*
	 * rate = SSPSCLK / (2 * width(16 or 32))
	 * SSPSCLK = (ACPS / ACDS) / SSPSCLKDIV(div4 or div1)
	 */
	switch (params_rate(params)) {
	case 8000:
		/* off by a factor of 2: bug in the PXA27x audio clock? */
		acps = 32842000;
		switch (width) {
		case 16:
			/* 513156 Hz ~= _2_ * 8000 Hz * 32 (+0.23%) */
			acds = PXA_SSP_CLK_AUDIO_DIV_16;
			break;
		default: /* 32 */
			/* 1026312 Hz ~= _2_ * 8000 Hz * 64 (+0.23%) */
			acds = PXA_SSP_CLK_AUDIO_DIV_8;
		}
		break;
	case 11025:
		acps = 5622000;
		switch (width) {
		case 16:
			/* 351375 Hz ~= 11025 Hz * 32 (-0.41%) */
			acds = PXA_SSP_CLK_AUDIO_DIV_4;
			break;
		default: /* 32 */
			/* 702750 Hz ~= 11025 Hz * 64 (-0.41%) */
			acds = PXA_SSP_CLK_AUDIO_DIV_2;
		}
		break;
	case 22050:
		acps = 5622000;
		switch (width) {
		case 16:
			/* 702750 Hz ~= 22050 Hz * 32 (-0.41%) */
			acds = PXA_SSP_CLK_AUDIO_DIV_2;
			break;
		default: /* 32 */
			/* 1405500 Hz ~= 22050 Hz * 64 (-0.41%) */
			acds = PXA_SSP_CLK_AUDIO_DIV_1;
		}
		break;
	case 44100:
		acps = 5622000;
		switch (width) {
		case 16:
			/* 1405500 Hz ~= 44100 Hz * 32 (-0.41%) */
			acds = PXA_SSP_CLK_AUDIO_DIV_2;
			break;
		default: /* 32 */
			/* 2811000 Hz ~= 44100 Hz * 64 (-0.41%) */
			acds = PXA_SSP_CLK_AUDIO_DIV_1;
		}
		break;
	case 48000:
		acps = 12235000;
		switch (width) {
		case 16:
			/* 1529375 Hz ~= 48000 Hz * 32 (-0.44%) */
			acds = PXA_SSP_CLK_AUDIO_DIV_2;
			break;
		default: /* 32 */
			/* 3058750 Hz ~= 48000 Hz * 64 (-0.44%) */
			acds = PXA_SSP_CLK_AUDIO_DIV_1;
		}
		break;
	case 96000:
	default:
		acps = 12235000;
		switch (width) {
		case 16:
			/* 3058750 Hz ~= 96000 Hz * 32 (-0.44%) */
			acds = PXA_SSP_CLK_AUDIO_DIV_1;
			break;
		default: /* 32 */
			/* 6117500 Hz ~= 96000 Hz * 64 (-0.44%) */
			acds = PXA_SSP_CLK_AUDIO_DIV_2;
			div4 = PXA_SSP_CLK_SCDB_1;
			break;
		}
		break;
	}

	/* set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_MSB |
			SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
	if (ret < 0)
		return ret;

	/* set cpu DAI configuration */
	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_DSP_A |
			SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_CBS_CFS);
	if (ret < 0)
		return ret;

	ret = snd_soc_dai_set_tdm_slot(cpu_dai, 1, 0, 1, width);
	if (ret < 0)
		return ret;

	/* set audio clock as clock source */
	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_AUDIO, 0,
			SND_SOC_CLOCK_OUT);
	if (ret < 0)
		return ret;

	/* set the SSP audio system clock ACDS divider */
	ret = snd_soc_dai_set_clkdiv(cpu_dai,
			PXA_SSP_AUDIO_DIV_ACDS, acds);
	if (ret < 0)
		return ret;

	/* set the SSP audio system clock SCDB divider4 */
	ret = snd_soc_dai_set_clkdiv(cpu_dai,
			PXA_SSP_AUDIO_DIV_SCDB, div4);
	if (ret < 0)
		return ret;

	/* set SSP audio pll clock */
	ret = snd_soc_dai_set_pll(cpu_dai, 0, 0, 0, acps);
	if (ret < 0)
		return ret;

	return 0;
}

/*
 * Magician uses I2S for capture.
 */
static int magician_capture_hw_params(struct snd_pcm_substream *substream,
				      struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	int ret = 0;

	/* set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai,
			SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF |
			SND_SOC_DAIFMT_CBS_CFS);
	if (ret < 0)
		return ret;

	/* set cpu DAI configuration */
	ret = snd_soc_dai_set_fmt(cpu_dai,
			SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF |
			SND_SOC_DAIFMT_CBS_CFS);
	if (ret < 0)
		return ret;

	/* set the I2S system clock as output */
	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
			SND_SOC_CLOCK_OUT);
	if (ret < 0)
		return ret;

	return 0;
}

static struct snd_soc_ops magician_capture_ops = {
	.startup = magician_startup,
	.hw_params = magician_capture_hw_params,
};

static struct snd_soc_ops magician_playback_ops = {
	.startup = magician_startup,
	.hw_params = magician_playback_hw_params,
};

static int magician_get_hp(struct snd_kcontrol *kcontrol,
			     struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = magician_hp_switch;
	return 0;
}

static int magician_set_hp(struct snd_kcontrol *kcontrol,
			     struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);

	if (magician_hp_switch == ucontrol->value.integer.value[0])
		return 0;

	magician_hp_switch = ucontrol->value.integer.value[0];
	magician_ext_control(codec);
	return 1;
}

static int magician_get_spk(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = magician_spk_switch;
	return 0;
}

static int magician_set_spk(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);

	if (magician_spk_switch == ucontrol->value.integer.value[0])
		return 0;

	magician_spk_switch = ucontrol->value.integer.value[0];
	magician_ext_control(codec);
	return 1;
}

static int magician_get_input(struct snd_kcontrol *kcontrol,
			      struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = magician_in_sel;
	return 0;
}

static int magician_set_input(struct snd_kcontrol *kcontrol,
			      struct snd_ctl_elem_value *ucontrol)
{
	if (magician_in_sel == ucontrol->value.integer.value[0])
		return 0;

	magician_in_sel = ucontrol->value.integer.value[0];

	switch (magician_in_sel) {
	case MAGICIAN_MIC:
		gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 1);
		break;
	case MAGICIAN_MIC_EXT:
		gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 0);
	}

	return 1;
}

static int magician_spk_power(struct snd_soc_dapm_widget *w,
				struct snd_kcontrol *k, int event)
{
	gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, SND_SOC_DAPM_EVENT_ON(event));
	return 0;
}

static int magician_hp_power(struct snd_soc_dapm_widget *w,
				struct snd_kcontrol *k, int event)
{
	gpio_set_value(EGPIO_MAGICIAN_EP_POWER, SND_SOC_DAPM_EVENT_ON(event));
	return 0;
}

static int magician_mic_bias(struct snd_soc_dapm_widget *w,
				struct snd_kcontrol *k, int event)
{
	gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, SND_SOC_DAPM_EVENT_ON(event));
	return 0;
}

/* magician machine dapm widgets */
static const struct snd_soc_dapm_widget uda1380_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", magician_hp_power),
	SND_SOC_DAPM_SPK("Speaker", magician_spk_power),
	SND_SOC_DAPM_MIC("Call Mic", magician_mic_bias),
	SND_SOC_DAPM_MIC("Headset Mic", magician_mic_bias),
};

/* magician machine audio_map */
static const struct snd_soc_dapm_route audio_map[] = {

	/* Headphone connected to VOUTL, VOUTR */
	{"Headphone Jack", NULL, "VOUTL"},
	{"Headphone Jack", NULL, "VOUTR"},

	/* Speaker connected to VOUTL, VOUTR */
	{"Speaker", NULL, "VOUTL"},
	{"Speaker", NULL, "VOUTR"},

	/* Mics are connected to VINM */
	{"VINM", NULL, "Headset Mic"},
	{"VINM", NULL, "Call Mic"},
};

static const char *input_select[] = {"Call Mic", "Headset Mic"};
static const struct soc_enum magician_in_sel_enum =
	SOC_ENUM_SINGLE_EXT(2, input_select);

static const struct snd_kcontrol_new uda1380_magician_controls[] = {
	SOC_SINGLE_BOOL_EXT("Headphone Switch",
			(unsigned long)&magician_hp_switch,
			magician_get_hp, magician_set_hp),
	SOC_SINGLE_BOOL_EXT("Speaker Switch",
			(unsigned long)&magician_spk_switch,
			magician_get_spk, magician_set_spk),
	SOC_ENUM_EXT("Input Select", magician_in_sel_enum,
			magician_get_input, magician_set_input),
};

/*
 * Logic for a uda1380 as connected on a HTC Magician
 */
static int magician_uda1380_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int err;

	/* NC codec pins */
	snd_soc_dapm_nc_pin(dapm, "VOUTLHP");
	snd_soc_dapm_nc_pin(dapm, "VOUTRHP");

	/* FIXME: is anything connected here? */
	snd_soc_dapm_nc_pin(dapm, "VINL");
	snd_soc_dapm_nc_pin(dapm, "VINR");

	/* Add magician specific controls */
	err = snd_soc_add_codec_controls(codec, uda1380_magician_controls,
				ARRAY_SIZE(uda1380_magician_controls));
	if (err < 0)
		return err;

	/* Add magician specific widgets */
	snd_soc_dapm_new_controls(dapm, uda1380_dapm_widgets,
				  ARRAY_SIZE(uda1380_dapm_widgets));

	/* Set up magician specific audio path interconnects */
	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));

	return 0;
}

/* magician digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link magician_dai[] = {
{
	.name = "uda1380",
	.stream_name = "UDA1380 Playback",
	.cpu_dai_name = "pxa-ssp-dai.0",
	.codec_dai_name = "uda1380-hifi-playback",
	.platform_name = "pxa-pcm-audio",
	.codec_name = "uda1380-codec.0-0018",
	.init = magician_uda1380_init,
	.ops = &magician_playback_ops,
},
{
	.name = "uda1380",
	.stream_name = "UDA1380 Capture",
	.cpu_dai_name = "pxa2xx-i2s",
	.codec_dai_name = "uda1380-hifi-capture",
	.platform_name = "pxa-pcm-audio",
	.codec_name = "uda1380-codec.0-0018",
	.ops = &magician_capture_ops,
}
};

/* magician audio machine driver */
static struct snd_soc_card snd_soc_card_magician = {
	.name = "Magician",
	.owner = THIS_MODULE,
	.dai_link = magician_dai,
	.num_links = ARRAY_SIZE(magician_dai),

};

static struct platform_device *magician_snd_device;

/*
 * FIXME: move into magician board file once merged into the pxa tree
 */
static struct uda1380_platform_data uda1380_info = {
	.gpio_power = EGPIO_MAGICIAN_CODEC_POWER,
	.gpio_reset = EGPIO_MAGICIAN_CODEC_RESET,
	.dac_clk    = UDA1380_DAC_CLK_WSPLL,
};

static struct i2c_board_info i2c_board_info[] = {
	{
		I2C_BOARD_INFO("uda1380", 0x18),
		.platform_data = &uda1380_info,
	},
};

static int __init magician_init(void)
{
	int ret;
	struct i2c_adapter *adapter;
	struct i2c_client *client;

	if (!machine_is_magician())
		return -ENODEV;

	adapter = i2c_get_adapter(0);
	if (!adapter)
		return -ENODEV;
	client = i2c_new_device(adapter, i2c_board_info);
	i2c_put_adapter(adapter);
	if (!client)
		return -ENODEV;

	ret = gpio_request(EGPIO_MAGICIAN_SPK_POWER, "SPK_POWER");
	if (ret)
		goto err_request_spk;
	ret = gpio_request(EGPIO_MAGICIAN_EP_POWER, "EP_POWER");
	if (ret)
		goto err_request_ep;
	ret = gpio_request(EGPIO_MAGICIAN_MIC_POWER, "MIC_POWER");
	if (ret)
		goto err_request_mic;
	ret = gpio_request(EGPIO_MAGICIAN_IN_SEL0, "IN_SEL0");
	if (ret)
		goto err_request_in_sel0;
	ret = gpio_request(EGPIO_MAGICIAN_IN_SEL1, "IN_SEL1");
	if (ret)
		goto err_request_in_sel1;

	gpio_set_value(EGPIO_MAGICIAN_IN_SEL0, 0);

	magician_snd_device = platform_device_alloc("soc-audio", -1);
	if (!magician_snd_device) {
		ret = -ENOMEM;
		goto err_pdev;
	}

	platform_set_drvdata(magician_snd_device, &snd_soc_card_magician);
	ret = platform_device_add(magician_snd_device);
	if (ret) {
		platform_device_put(magician_snd_device);
		goto err_pdev;
	}

	return 0;

err_pdev:
	gpio_free(EGPIO_MAGICIAN_IN_SEL1);
err_request_in_sel1:
	gpio_free(EGPIO_MAGICIAN_IN_SEL0);
err_request_in_sel0:
	gpio_free(EGPIO_MAGICIAN_MIC_POWER);
err_request_mic:
	gpio_free(EGPIO_MAGICIAN_EP_POWER);
err_request_ep:
	gpio_free(EGPIO_MAGICIAN_SPK_POWER);
err_request_spk:
	return ret;
}

static void __exit magician_exit(void)
{
	platform_device_unregister(magician_snd_device);

	gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, 0);
	gpio_set_value(EGPIO_MAGICIAN_EP_POWER, 0);
	gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, 0);

	gpio_free(EGPIO_MAGICIAN_IN_SEL1);
	gpio_free(EGPIO_MAGICIAN_IN_SEL0);
	gpio_free(EGPIO_MAGICIAN_MIC_POWER);
	gpio_free(EGPIO_MAGICIAN_EP_POWER);
	gpio_free(EGPIO_MAGICIAN_SPK_POWER);
}

module_init(magician_init);
module_exit(magician_exit);

MODULE_AUTHOR("Philipp Zabel");
MODULE_DESCRIPTION("ALSA SoC Magician");
MODULE_LICENSE("GPL");
Commit	Line	Data
7377226c PZ	1	/*
	2	* SoC audio for HTC Magician
	3	*
	4	* Copyright (c) 2006 Philipp Zabel <philipp.zabel@gmail.com>
	5	*
	6	* based on spitz.c,
	7	* Authors: Liam Girdwood <lrg@slimlogic.co.uk>
	8	* Richard Purdie <richard@openedhand.com>
	9	*
	10	* This program is free software; you can redistribute it and/or modify it
	11	* under the terms of the GNU General Public License as published by the
	12	* Free Software Foundation; either version 2 of the License, or (at your
	13	* option) any later version.
	14	*
	15	*/
	16
	17	#include <linux/module.h>
	18	#include <linux/timer.h>
	19	#include <linux/interrupt.h>
	20	#include <linux/platform_device.h>
	21	#include <linux/delay.h>
	22	#include <linux/gpio.h>
1abd9184	23	#include <linux/i2c.h>
7377226c PZ	24
	25	#include <sound/core.h>
	26	#include <sound/pcm.h>
	27	#include <sound/pcm_params.h>
	28	#include <sound/soc.h>
1abd9184	29	#include <sound/uda1380.h>
7377226c	30
7377226c PZ	31	#include <mach/magician.h>
	32	#include <asm/mach-types.h>
	33	#include "../codecs/uda1380.h"
7377226c PZ	34	#include "pxa2xx-i2s.h"
	35	#include "pxa-ssp.h"
	36
	37	#define MAGICIAN_MIC 0
	38	#define MAGICIAN_MIC_EXT 1
	39
	40	static int magician_hp_switch;
	41	static int magician_spk_switch = 1;
	42	static int magician_in_sel = MAGICIAN_MIC;
	43
	44	static void magician_ext_control(struct snd_soc_codec *codec)
	45	{
ce6120cc LG	46	struct snd_soc_dapm_context *dapm = &codec->dapm;
ce6120cc LG	47
7377226c	48	if (magician_spk_switch)
ce6120cc	49	snd_soc_dapm_enable_pin(dapm, "Speaker");
7377226c	50	else
ce6120cc	51	snd_soc_dapm_disable_pin(dapm, "Speaker");
7377226c	52	if (magician_hp_switch)
ce6120cc	53	snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
7377226c	54	else
ce6120cc	55	snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
7377226c PZ	56
	57	switch (magician_in_sel) {
	58	case MAGICIAN_MIC:
ce6120cc LG	59	snd_soc_dapm_disable_pin(dapm, "Headset Mic");
ce6120cc LG	60	snd_soc_dapm_enable_pin(dapm, "Call Mic");
7377226c PZ	61	break;
7377226c PZ	62	case MAGICIAN_MIC_EXT:
ce6120cc LG	63	snd_soc_dapm_disable_pin(dapm, "Call Mic");
ce6120cc LG	64	snd_soc_dapm_enable_pin(dapm, "Headset Mic");
7377226c PZ	65	break;
	66	}
	67
ce6120cc	68	snd_soc_dapm_sync(dapm);
7377226c PZ	69	}
	70
	71	static int magician_startup(struct snd_pcm_substream *substream)
	72	{
	73	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	74	struct snd_soc_codec *codec = rtd->codec;
7377226c	75
71a29560 MB	76	mutex_lock(&codec->mutex);
71a29560 MB	77
7377226c PZ	78	/* check the jack status at stream startup */
	79	magician_ext_control(codec);
	80
71a29560 MB	81	mutex_unlock(&codec->mutex);
71a29560 MB	82
7377226c PZ	83	return 0;
	84	}
	85
	86	/*
	87	* Magician uses SSP port for playback.
	88	*/
	89	static int magician_playback_hw_params(struct snd_pcm_substream *substream,
	90	struct snd_pcm_hw_params *params)
	91	{
	92	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	93	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	94	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
c6add3f0	95	unsigned int acps, acds, width;
7377226c PZ	96	unsigned int div4 = PXA_SSP_CLK_SCDB_4;
	97	int ret = 0;
	98
7377226c PZ	99	width = snd_pcm_format_physical_width(params_format(params));
	100
	101	/*
	102	* rate = SSPSCLK / (2 * width(16 or 32))
	103	* SSPSCLK = (ACPS / ACDS) / SSPSCLKDIV(div4 or div1)
	104	*/
	105	switch (params_rate(params)) {
	106	case 8000:
	107	/* off by a factor of 2: bug in the PXA27x audio clock? */
	108	acps = 32842000;
	109	switch (width) {
	110	case 16:
	111	/* 513156 Hz ~= _2_ * 8000 Hz * 32 (+0.23%) */
	112	acds = PXA_SSP_CLK_AUDIO_DIV_16;
	113	break;
2bf2778e	114	default: /* 32 */
7377226c PZ	115	/* 1026312 Hz ~= _2_ * 8000 Hz * 64 (+0.23%) */
	116	acds = PXA_SSP_CLK_AUDIO_DIV_8;
	117	}
	118	break;
	119	case 11025:
	120	acps = 5622000;
	121	switch (width) {
	122	case 16:
	123	/* 351375 Hz ~= 11025 Hz * 32 (-0.41%) */
	124	acds = PXA_SSP_CLK_AUDIO_DIV_4;
	125	break;
2bf2778e	126	default: /* 32 */
7377226c PZ	127	/* 702750 Hz ~= 11025 Hz * 64 (-0.41%) */
	128	acds = PXA_SSP_CLK_AUDIO_DIV_2;
	129	}
	130	break;
	131	case 22050:
	132	acps = 5622000;
	133	switch (width) {
	134	case 16:
	135	/* 702750 Hz ~= 22050 Hz * 32 (-0.41%) */
	136	acds = PXA_SSP_CLK_AUDIO_DIV_2;
	137	break;
2bf2778e	138	default: /* 32 */
7377226c PZ	139	/* 1405500 Hz ~= 22050 Hz * 64 (-0.41%) */
	140	acds = PXA_SSP_CLK_AUDIO_DIV_1;
	141	}
	142	break;
	143	case 44100:
	144	acps = 5622000;
	145	switch (width) {
	146	case 16:
	147	/* 1405500 Hz ~= 44100 Hz * 32 (-0.41%) */
	148	acds = PXA_SSP_CLK_AUDIO_DIV_2;
	149	break;
2bf2778e	150	default: /* 32 */
7377226c PZ	151	/* 2811000 Hz ~= 44100 Hz * 64 (-0.41%) */
	152	acds = PXA_SSP_CLK_AUDIO_DIV_1;
	153	}
	154	break;
	155	case 48000:
	156	acps = 12235000;
	157	switch (width) {
	158	case 16:
	159	/* 1529375 Hz ~= 48000 Hz * 32 (-0.44%) */
	160	acds = PXA_SSP_CLK_AUDIO_DIV_2;
	161	break;
2bf2778e	162	default: /* 32 */
7377226c PZ	163	/* 3058750 Hz ~= 48000 Hz * 64 (-0.44%) */
	164	acds = PXA_SSP_CLK_AUDIO_DIV_1;
	165	}
	166	break;
	167	case 96000:
2bf2778e	168	default:
7377226c PZ	169	acps = 12235000;
	170	switch (width) {
	171	case 16:
	172	/* 3058750 Hz ~= 96000 Hz * 32 (-0.44%) */
	173	acds = PXA_SSP_CLK_AUDIO_DIV_1;
	174	break;
2bf2778e	175	default: /* 32 */
7377226c PZ	176	/* 6117500 Hz ~= 96000 Hz * 64 (-0.44%) */
	177	acds = PXA_SSP_CLK_AUDIO_DIV_2;
	178	div4 = PXA_SSP_CLK_SCDB_1;
	179	break;
	180	}
	181	break;
	182	}
	183
	184	/* set codec DAI configuration */
	185	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_MSB \|
	186	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	187	if (ret < 0)
	188	return ret;
	189
	190	/* set cpu DAI configuration */
	191	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_DSP_A \|
33745fb3	192	SND_SOC_DAIFMT_NB_IF \| SND_SOC_DAIFMT_CBS_CFS);
7377226c PZ	193	if (ret < 0)
	194	return ret;
	195
a5479e38	196	ret = snd_soc_dai_set_tdm_slot(cpu_dai, 1, 0, 1, width);
7377226c PZ	197	if (ret < 0)
	198	return ret;
	199
	200	/* set audio clock as clock source */
	201	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_AUDIO, 0,
	202	SND_SOC_CLOCK_OUT);
	203	if (ret < 0)
	204	return ret;
	205
	206	/* set the SSP audio system clock ACDS divider */
	207	ret = snd_soc_dai_set_clkdiv(cpu_dai,
	208	PXA_SSP_AUDIO_DIV_ACDS, acds);
	209	if (ret < 0)
	210	return ret;
	211
	212	/* set the SSP audio system clock SCDB divider4 */
	213	ret = snd_soc_dai_set_clkdiv(cpu_dai,
	214	PXA_SSP_AUDIO_DIV_SCDB, div4);
	215	if (ret < 0)
	216	return ret;
	217
	218	/* set SSP audio pll clock */
85488037	219	ret = snd_soc_dai_set_pll(cpu_dai, 0, 0, 0, acps);
7377226c PZ	220	if (ret < 0)
	221	return ret;
	222
	223	return 0;
	224	}
	225
	226	/*
	227	* Magician uses I2S for capture.
	228	*/
	229	static int magician_capture_hw_params(struct snd_pcm_substream *substream,
	230	struct snd_pcm_hw_params *params)
	231	{
	232	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	233	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	234	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
7377226c PZ	235	int ret = 0;
	236
	237	/* set codec DAI configuration */
	238	ret = snd_soc_dai_set_fmt(codec_dai,
	239	SND_SOC_DAIFMT_MSB \| SND_SOC_DAIFMT_NB_NF \|
	240	SND_SOC_DAIFMT_CBS_CFS);
	241	if (ret < 0)
	242	return ret;
	243
	244	/* set cpu DAI configuration */
	245	ret = snd_soc_dai_set_fmt(cpu_dai,
	246	SND_SOC_DAIFMT_MSB \| SND_SOC_DAIFMT_NB_NF \|
	247	SND_SOC_DAIFMT_CBS_CFS);
	248	if (ret < 0)
	249	return ret;
	250
	251	/* set the I2S system clock as output */
	252	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
	253	SND_SOC_CLOCK_OUT);
	254	if (ret < 0)
	255	return ret;
	256
	257	return 0;
	258	}
	259
	260	static struct snd_soc_ops magician_capture_ops = {
	261	.startup = magician_startup,
	262	.hw_params = magician_capture_hw_params,
	263	};
	264
	265	static struct snd_soc_ops magician_playback_ops = {
	266	.startup = magician_startup,
	267	.hw_params = magician_playback_hw_params,
	268	};
	269
	270	static int magician_get_hp(struct snd_kcontrol *kcontrol,
	271	struct snd_ctl_elem_value *ucontrol)
	272	{
	273	ucontrol->value.integer.value[0] = magician_hp_switch;
	274	return 0;
	275	}
	276
	277	static int magician_set_hp(struct snd_kcontrol *kcontrol,
	278	struct snd_ctl_elem_value *ucontrol)
	279	{
	280	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	281
	282	if (magician_hp_switch == ucontrol->value.integer.value[0])
	283	return 0;
	284
	285	magician_hp_switch = ucontrol->value.integer.value[0];
	286	magician_ext_control(codec);
	287	return 1;
	288	}
	289
	290	static int magician_get_spk(struct snd_kcontrol *kcontrol,
	291	struct snd_ctl_elem_value *ucontrol)
	292	{
	293	ucontrol->value.integer.value[0] = magician_spk_switch;
	294	return 0;
	295	}
	296
	297	static int magician_set_spk(struct snd_kcontrol *kcontrol,
	298	struct snd_ctl_elem_value *ucontrol)
299	{
300	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
301
302	if (magician_spk_switch == ucontrol->value.integer.value[0])
303	return 0;
304
305	magician_spk_switch = ucontrol->value.integer.value[0];
306	magician_ext_control(codec);
307	return 1;
308	}
309
310	static int magician_get_input(struct snd_kcontrol *kcontrol,
311	struct snd_ctl_elem_value *ucontrol)
312	{
313	ucontrol->value.integer.value[0] = magician_in_sel;
314	return 0;
315	}
316
317	static int magician_set_input(struct snd_kcontrol *kcontrol,
318	struct snd_ctl_elem_value *ucontrol)
319	{
320	if (magician_in_sel == ucontrol->value.integer.value[0])
321	return 0;
322
323	magician_in_sel = ucontrol->value.integer.value[0];
324
325	switch (magician_in_sel) {
326	case MAGICIAN_MIC:
327	gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 1);
328	break;
329	case MAGICIAN_MIC_EXT:
330	gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 0);
331	}
332
333	return 1;
334	}
335
336	static int magician_spk_power(struct snd_soc_dapm_widget *w,
337	struct snd_kcontrol *k, int event)
338	{
339	gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, SND_SOC_DAPM_EVENT_ON(event));
340	return 0;
341	}
342
343	static int magician_hp_power(struct snd_soc_dapm_widget *w,
344	struct snd_kcontrol *k, int event)
345	{
346	gpio_set_value(EGPIO_MAGICIAN_EP_POWER, SND_SOC_DAPM_EVENT_ON(event));
347	return 0;
348	}
349
350	static int magician_mic_bias(struct snd_soc_dapm_widget *w,
351	struct snd_kcontrol *k, int event)
352	{
353	gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, SND_SOC_DAPM_EVENT_ON(event));
354	return 0;
355	}
356
357	/* magician machine dapm widgets */
358	static const struct snd_soc_dapm_widget uda1380_dapm_widgets[] = {
359	SND_SOC_DAPM_HP("Headphone Jack", magician_hp_power),
360	SND_SOC_DAPM_SPK("Speaker", magician_spk_power),
361	SND_SOC_DAPM_MIC("Call Mic", magician_mic_bias),
362	SND_SOC_DAPM_MIC("Headset Mic", magician_mic_bias),
363	};
364
365	/* magician machine audio_map */
366	static const struct snd_soc_dapm_route audio_map[] = {
367
368	/* Headphone connected to VOUTL, VOUTR */
369	{"Headphone Jack", NULL, "VOUTL"},
370	{"Headphone Jack", NULL, "VOUTR"},
371
372	/* Speaker connected to VOUTL, VOUTR */
373	{"Speaker", NULL, "VOUTL"},
374	{"Speaker", NULL, "VOUTR"},
375
376	/* Mics are connected to VINM */
377	{"VINM", NULL, "Headset Mic"},
378	{"VINM", NULL, "Call Mic"},
379	};
380
381	static const char *input_select[] = {"Call Mic", "Headset Mic"};
382	static const struct soc_enum magician_in_sel_enum =
383	SOC_ENUM_SINGLE_EXT(2, input_select);
384
385	static const struct snd_kcontrol_new uda1380_magician_controls[] = {
386	SOC_SINGLE_BOOL_EXT("Headphone Switch",
387	(unsigned long)&magician_hp_switch,
388	magician_get_hp, magician_set_hp),
389	SOC_SINGLE_BOOL_EXT("Speaker Switch",
390	(unsigned long)&magician_spk_switch,
391	magician_get_spk, magician_set_spk),
392	SOC_ENUM_EXT("Input Select", magician_in_sel_enum,
393	magician_get_input, magician_set_input),
394	};
395
396	/*
397	* Logic for a uda1380 as connected on a HTC Magician
398	*/
f0fba2ad	399	static int magician_uda1380_init(struct snd_soc_pcm_runtime *rtd)
7377226c	400	{
f0fba2ad	401	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	402	struct snd_soc_dapm_context *dapm = &codec->dapm;
7377226c PZ	403	int err;
	404
	405	/* NC codec pins */
ce6120cc LG	406	snd_soc_dapm_nc_pin(dapm, "VOUTLHP");
ce6120cc LG	407	snd_soc_dapm_nc_pin(dapm, "VOUTRHP");
7377226c PZ	408
7377226c PZ	409	/* FIXME: is anything connected here? */
ce6120cc LG	410	snd_soc_dapm_nc_pin(dapm, "VINL");
ce6120cc LG	411	snd_soc_dapm_nc_pin(dapm, "VINR");
7377226c PZ	412
7377226c PZ	413	/* Add magician specific controls */
022658be	414	err = snd_soc_add_codec_controls(codec, uda1380_magician_controls,
7377226c PZ	415	ARRAY_SIZE(uda1380_magician_controls));
	416	if (err < 0)
	417	return err;
	418
	419	/* Add magician specific widgets */
ce6120cc	420	snd_soc_dapm_new_controls(dapm, uda1380_dapm_widgets,
7377226c PZ	421	ARRAY_SIZE(uda1380_dapm_widgets));
	422
	423	/* Set up magician specific audio path interconnects */
ce6120cc	424	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
7377226c	425
7377226c PZ	426	return 0;
	427	}
	428
	429	/* magician digital audio interface glue - connects codec <--> CPU */
	430	static struct snd_soc_dai_link magician_dai[] = {
	431	{
	432	.name = "uda1380",
	433	.stream_name = "UDA1380 Playback",
f0fba2ad LG	434	.cpu_dai_name = "pxa-ssp-dai.0",
	435	.codec_dai_name = "uda1380-hifi-playback",
	436	.platform_name = "pxa-pcm-audio",
	437	.codec_name = "uda1380-codec.0-0018",
7377226c PZ	438	.init = magician_uda1380_init,
	439	.ops = &magician_playback_ops,
	440	},
	441	{
	442	.name = "uda1380",
	443	.stream_name = "UDA1380 Capture",
a2a0086d	444	.cpu_dai_name = "pxa2xx-i2s",
f0fba2ad LG	445	.codec_dai_name = "uda1380-hifi-capture",
	446	.platform_name = "pxa-pcm-audio",
	447	.codec_name = "uda1380-codec.0-0018",
7377226c PZ	448	.ops = &magician_capture_ops,
	449	}
	450	};
	451
	452	/* magician audio machine driver */
	453	static struct snd_soc_card snd_soc_card_magician = {
	454	.name = "Magician",
561c6a17	455	.owner = THIS_MODULE,
7377226c PZ	456	.dai_link = magician_dai,
7377226c PZ	457	.num_links = ARRAY_SIZE(magician_dai),
7377226c	458
7377226c PZ	459	};
	460
	461	static struct platform_device *magician_snd_device;
	462
1abd9184 PZ	463	/*
	464	* FIXME: move into magician board file once merged into the pxa tree
	465	*/
	466	static struct uda1380_platform_data uda1380_info = {
	467	.gpio_power = EGPIO_MAGICIAN_CODEC_POWER,
	468	.gpio_reset = EGPIO_MAGICIAN_CODEC_RESET,
	469	.dac_clk = UDA1380_DAC_CLK_WSPLL,
	470	};
	471
	472	static struct i2c_board_info i2c_board_info[] = {
	473	{
	474	I2C_BOARD_INFO("uda1380", 0x18),
	475	.platform_data = &uda1380_info,
	476	},
	477	};
	478
7377226c PZ	479	static int __init magician_init(void)
	480	{
	481	int ret;
1abd9184 PZ	482	struct i2c_adapter *adapter;
1abd9184 PZ	483	struct i2c_client *client;
7377226c PZ	484
	485	if (!machine_is_magician())
	486	return -ENODEV;
	487
1abd9184 PZ	488	adapter = i2c_get_adapter(0);
	489	if (!adapter)
	490	return -ENODEV;
	491	client = i2c_new_device(adapter, i2c_board_info);
	492	i2c_put_adapter(adapter);
	493	if (!client)
	494	return -ENODEV;
	495
7377226c PZ	496	ret = gpio_request(EGPIO_MAGICIAN_SPK_POWER, "SPK_POWER");
	497	if (ret)
	498	goto err_request_spk;
	499	ret = gpio_request(EGPIO_MAGICIAN_EP_POWER, "EP_POWER");
	500	if (ret)
	501	goto err_request_ep;
	502	ret = gpio_request(EGPIO_MAGICIAN_MIC_POWER, "MIC_POWER");
	503	if (ret)
	504	goto err_request_mic;
	505	ret = gpio_request(EGPIO_MAGICIAN_IN_SEL0, "IN_SEL0");
	506	if (ret)
	507	goto err_request_in_sel0;
	508	ret = gpio_request(EGPIO_MAGICIAN_IN_SEL1, "IN_SEL1");
	509	if (ret)
	510	goto err_request_in_sel1;
	511
7377226c PZ	512	gpio_set_value(EGPIO_MAGICIAN_IN_SEL0, 0);
7377226c PZ	513
7377226c PZ	514	magician_snd_device = platform_device_alloc("soc-audio", -1);
	515	if (!magician_snd_device) {
	516	ret = -ENOMEM;
	517	goto err_pdev;
	518	}
	519
f0fba2ad	520	platform_set_drvdata(magician_snd_device, &snd_soc_card_magician);
7377226c PZ	521	ret = platform_device_add(magician_snd_device);
	522	if (ret) {
	523	platform_device_put(magician_snd_device);
	524	goto err_pdev;
	525	}
	526
	527	return 0;
	528
	529	err_pdev:
	530	gpio_free(EGPIO_MAGICIAN_IN_SEL1);
	531	err_request_in_sel1:
	532	gpio_free(EGPIO_MAGICIAN_IN_SEL0);
	533	err_request_in_sel0:
	534	gpio_free(EGPIO_MAGICIAN_MIC_POWER);
	535	err_request_mic:
	536	gpio_free(EGPIO_MAGICIAN_EP_POWER);
	537	err_request_ep:
	538	gpio_free(EGPIO_MAGICIAN_SPK_POWER);
	539	err_request_spk:
7377226c PZ	540	return ret;
	541	}
	542
	543	static void __exit magician_exit(void)
	544	{
	545	platform_device_unregister(magician_snd_device);
	546
	547	gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, 0);
	548	gpio_set_value(EGPIO_MAGICIAN_EP_POWER, 0);
	549	gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, 0);
7377226c PZ	550
	551	gpio_free(EGPIO_MAGICIAN_IN_SEL1);
	552	gpio_free(EGPIO_MAGICIAN_IN_SEL0);
	553	gpio_free(EGPIO_MAGICIAN_MIC_POWER);
	554	gpio_free(EGPIO_MAGICIAN_EP_POWER);
	555	gpio_free(EGPIO_MAGICIAN_SPK_POWER);
7377226c PZ	556	}
	557
	558	module_init(magician_init);
	559	module_exit(magician_exit);
	560
	561	MODULE_AUTHOR("Philipp Zabel");
	562	MODULE_DESCRIPTION("ALSA SoC Magician");
	563	MODULE_LICENSE("GPL");