[deliverable/linux.git] / sound / soc / ux500 / mop500_ab8500.c

/*
 * Copyright (C) ST-Ericsson SA 2012
 *
 * Author: Ola Lilja <ola.o.lilja@stericsson.com>,
 *         Kristoffer Karlsson <kristoffer.karlsson@stericsson.com>
 *         for ST-Ericsson.
 *
 * License terms:
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 */

#include <linux/module.h>
#include <linux/device.h>
#include <linux/io.h>
#include <linux/clk.h>

#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>

#include "ux500_pcm.h"
#include "ux500_msp_dai.h"
#include "../codecs/ab8500-codec.h"

#define TX_SLOT_MONO	0x0008
#define TX_SLOT_STEREO	0x000a
#define RX_SLOT_MONO	0x0001
#define RX_SLOT_STEREO	0x0003
#define TX_SLOT_8CH	0x00FF
#define RX_SLOT_8CH	0x00FF

#define DEF_TX_SLOTS	TX_SLOT_STEREO
#define DEF_RX_SLOTS	RX_SLOT_MONO

#define DRIVERMODE_NORMAL	0
#define DRIVERMODE_CODEC_ONLY	1

/* Slot configuration */
static unsigned int tx_slots = DEF_TX_SLOTS;
static unsigned int rx_slots = DEF_RX_SLOTS;

/* Clocks */
static const char * const enum_mclk[] = {
	"SYSCLK",
	"ULPCLK"
};
enum mclk {
	MCLK_SYSCLK,
	MCLK_ULPCLK,
};

static SOC_ENUM_SINGLE_EXT_DECL(soc_enum_mclk, enum_mclk);

/* Private data for machine-part MOP500<->AB8500 */
struct mop500_ab8500_drvdata {
	/* Clocks */
	enum mclk mclk_sel;
	struct clk *clk_ptr_intclk;
	struct clk *clk_ptr_sysclk;
	struct clk *clk_ptr_ulpclk;
};

static inline const char *get_mclk_str(enum mclk mclk_sel)
{
	switch (mclk_sel) {
	case MCLK_SYSCLK:
		return "SYSCLK";
	case MCLK_ULPCLK:
		return "ULPCLK";
	default:
		return "Unknown";
	}
}

static int mop500_ab8500_set_mclk(struct device *dev,
				struct mop500_ab8500_drvdata *drvdata)
{
	int status;
	struct clk *clk_ptr;

	if (IS_ERR(drvdata->clk_ptr_intclk)) {
		dev_err(dev,
			"%s: ERROR: intclk not initialized!\n", __func__);
		return -EIO;
	}

	switch (drvdata->mclk_sel) {
	case MCLK_SYSCLK:
		clk_ptr = drvdata->clk_ptr_sysclk;
		break;
	case MCLK_ULPCLK:
		clk_ptr = drvdata->clk_ptr_ulpclk;
		break;
	default:
		return -EINVAL;
	}

	if (IS_ERR(clk_ptr)) {
		dev_err(dev, "%s: ERROR: %s not initialized!\n", __func__,
			get_mclk_str(drvdata->mclk_sel));
		return -EIO;
	}

	status = clk_set_parent(drvdata->clk_ptr_intclk, clk_ptr);
	if (status)
		dev_err(dev,
			"%s: ERROR: Setting intclk parent to %s failed (ret = %d)!",
			__func__, get_mclk_str(drvdata->mclk_sel), status);
	else
		dev_dbg(dev,
			"%s: intclk parent changed to %s.\n",
			__func__, get_mclk_str(drvdata->mclk_sel));

	return status;
}

/*
 * Control-events
 */

static int mclk_input_control_get(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
	struct mop500_ab8500_drvdata *drvdata =
				snd_soc_card_get_drvdata(card);

	ucontrol->value.enumerated.item[0] = drvdata->mclk_sel;

	return 0;
}

static int mclk_input_control_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
	struct mop500_ab8500_drvdata *drvdata =
				snd_soc_card_get_drvdata(card);
	unsigned int val = ucontrol->value.enumerated.item[0];

	if (val > (unsigned int)MCLK_ULPCLK)
		return -EINVAL;
	if (drvdata->mclk_sel == val)
		return 0;

	drvdata->mclk_sel = val;

	return 1;
}

/*
 * Controls
 */

static struct snd_kcontrol_new mop500_ab8500_ctrls[] = {
	SOC_ENUM_EXT("Master Clock Select",
		soc_enum_mclk,
		mclk_input_control_get, mclk_input_control_put),
	SOC_DAPM_PIN_SWITCH("Headset Left"),
	SOC_DAPM_PIN_SWITCH("Headset Right"),
	SOC_DAPM_PIN_SWITCH("Earpiece"),
	SOC_DAPM_PIN_SWITCH("Speaker Left"),
	SOC_DAPM_PIN_SWITCH("Speaker Right"),
	SOC_DAPM_PIN_SWITCH("LineOut Left"),
	SOC_DAPM_PIN_SWITCH("LineOut Right"),
	SOC_DAPM_PIN_SWITCH("Vibra 1"),
	SOC_DAPM_PIN_SWITCH("Vibra 2"),
	SOC_DAPM_PIN_SWITCH("Mic 1"),
	SOC_DAPM_PIN_SWITCH("Mic 2"),
	SOC_DAPM_PIN_SWITCH("LineIn Left"),
	SOC_DAPM_PIN_SWITCH("LineIn Right"),
	SOC_DAPM_PIN_SWITCH("DMic 1"),
	SOC_DAPM_PIN_SWITCH("DMic 2"),
	SOC_DAPM_PIN_SWITCH("DMic 3"),
	SOC_DAPM_PIN_SWITCH("DMic 4"),
	SOC_DAPM_PIN_SWITCH("DMic 5"),
	SOC_DAPM_PIN_SWITCH("DMic 6"),
};

/* ASoC */

int mop500_ab8500_startup(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;

	/* Set audio-clock source */
	return mop500_ab8500_set_mclk(rtd->card->dev,
				snd_soc_card_get_drvdata(rtd->card));
}

void mop500_ab8500_shutdown(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct device *dev = rtd->card->dev;

	dev_dbg(dev, "%s: Enter\n", __func__);

	/* Reset slots configuration to default(s) */
	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		tx_slots = DEF_TX_SLOTS;
	else
		rx_slots = DEF_RX_SLOTS;
}

int mop500_ab8500_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;
	struct device *dev = rtd->card->dev;
	unsigned int fmt;
	int channels, ret = 0, driver_mode, slots;
	unsigned int sw_codec, sw_cpu;
	bool is_playback;

	dev_dbg(dev, "%s: Enter\n", __func__);

	dev_dbg(dev, "%s: substream->pcm->name = %s\n"
		"substream->pcm->id = %s.\n"
		"substream->name = %s.\n"
		"substream->number = %d.\n",
		__func__,
		substream->pcm->name,
		substream->pcm->id,
		substream->name,
		substream->number);

	channels = params_channels(params);

	switch (params_format(params)) {
	case SNDRV_PCM_FORMAT_S32_LE:
		sw_cpu = 32;
		break;

	case SNDRV_PCM_FORMAT_S16_LE:
		sw_cpu = 16;
		break;

	default:
		return -EINVAL;
	}

	/* Setup codec depending on driver-mode */
	if (channels == 8)
		driver_mode = DRIVERMODE_CODEC_ONLY;
	else
		driver_mode = DRIVERMODE_NORMAL;
	dev_dbg(dev, "%s: Driver-mode: %s.\n", __func__,
		(driver_mode == DRIVERMODE_NORMAL) ? "NORMAL" : "CODEC_ONLY");

	/* Setup format */

	if (driver_mode == DRIVERMODE_NORMAL) {
		fmt = SND_SOC_DAIFMT_DSP_A |
			SND_SOC_DAIFMT_CBM_CFM |
			SND_SOC_DAIFMT_NB_NF |
			SND_SOC_DAIFMT_CONT;
	} else {
		fmt = SND_SOC_DAIFMT_DSP_A |
			SND_SOC_DAIFMT_CBM_CFM |
			SND_SOC_DAIFMT_NB_NF |
			SND_SOC_DAIFMT_GATED;
	}

	ret = snd_soc_dai_set_fmt(codec_dai, fmt);
	if (ret < 0) {
		dev_err(dev,
			"%s: ERROR: snd_soc_dai_set_fmt failed for codec_dai (ret = %d)!\n",
			__func__, ret);
		return ret;
	}

	ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
	if (ret < 0) {
		dev_err(dev,
			"%s: ERROR: snd_soc_dai_set_fmt failed for cpu_dai (ret = %d)!\n",
			__func__, ret);
		return ret;
	}

	/* Setup TDM-slots */

	is_playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
	switch (channels) {
	case 1:
		slots = 16;
		tx_slots = (is_playback) ? TX_SLOT_MONO : 0;
		rx_slots = (is_playback) ? 0 : RX_SLOT_MONO;
		break;
	case 2:
		slots = 16;
		tx_slots = (is_playback) ? TX_SLOT_STEREO : 0;
		rx_slots = (is_playback) ? 0 : RX_SLOT_STEREO;
		break;
	case 8:
		slots = 16;
		tx_slots = (is_playback) ? TX_SLOT_8CH : 0;
		rx_slots = (is_playback) ? 0 : RX_SLOT_8CH;
		break;
	default:
		return -EINVAL;
	}

	if (driver_mode == DRIVERMODE_NORMAL)
		sw_codec = sw_cpu;
	else
		sw_codec = 20;

	dev_dbg(dev, "%s: CPU-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__,
		tx_slots, rx_slots);
	ret = snd_soc_dai_set_tdm_slot(cpu_dai, tx_slots, rx_slots, slots,
				sw_cpu);
	if (ret)
		return ret;

	dev_dbg(dev, "%s: CODEC-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__,
		tx_slots, rx_slots);
	ret = snd_soc_dai_set_tdm_slot(codec_dai, tx_slots, rx_slots, slots,
				sw_codec);
	if (ret)
		return ret;

	return 0;
}

struct snd_soc_ops mop500_ab8500_ops[] = {
	{
		.hw_params = mop500_ab8500_hw_params,
		.startup = mop500_ab8500_startup,
		.shutdown = mop500_ab8500_shutdown,
	}
};

int mop500_ab8500_machine_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct device *dev = rtd->card->dev;
	struct mop500_ab8500_drvdata *drvdata;
	int ret;

	dev_dbg(dev, "%s Enter.\n", __func__);

	/* Create driver private-data struct */
	drvdata = devm_kzalloc(dev, sizeof(struct mop500_ab8500_drvdata),
			GFP_KERNEL);
	snd_soc_card_set_drvdata(rtd->card, drvdata);

	/* Setup clocks */

	drvdata->clk_ptr_sysclk = clk_get(dev, "sysclk");
	if (IS_ERR(drvdata->clk_ptr_sysclk))
		dev_warn(dev, "%s: WARNING: clk_get failed for 'sysclk'!\n",
			__func__);
	drvdata->clk_ptr_ulpclk = clk_get(dev, "ulpclk");
	if (IS_ERR(drvdata->clk_ptr_ulpclk))
		dev_warn(dev, "%s: WARNING: clk_get failed for 'ulpclk'!\n",
			__func__);
	drvdata->clk_ptr_intclk = clk_get(dev, "intclk");
	if (IS_ERR(drvdata->clk_ptr_intclk))
		dev_warn(dev, "%s: WARNING: clk_get failed for 'intclk'!\n",
			__func__);

	/* Set intclk default parent to ulpclk */
	drvdata->mclk_sel = MCLK_ULPCLK;
	ret = mop500_ab8500_set_mclk(dev, drvdata);
	if (ret < 0)
		dev_warn(dev, "%s: WARNING: mop500_ab8500_set_mclk!\n",
			__func__);

	drvdata->mclk_sel = MCLK_ULPCLK;

	/* Add controls */
	ret = snd_soc_add_card_controls(codec->card, mop500_ab8500_ctrls,
			ARRAY_SIZE(mop500_ab8500_ctrls));
	if (ret < 0) {
		pr_err("%s: Failed to add machine-controls (%d)!\n",
				__func__, ret);
		return ret;
	}

	ret = snd_soc_dapm_disable_pin(&codec->dapm, "Earpiece");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Speaker Left");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Speaker Right");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "LineOut Left");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "LineOut Right");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Vibra 1");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Vibra 2");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Mic 1");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Mic 2");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "LineIn Left");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "LineIn Right");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 1");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 2");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 3");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 4");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 5");
	ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 6");

	return ret;
}

void mop500_ab8500_remove(struct snd_soc_card *card)
{
	struct mop500_ab8500_drvdata *drvdata = snd_soc_card_get_drvdata(card);

	if (drvdata->clk_ptr_sysclk != NULL)
		clk_put(drvdata->clk_ptr_sysclk);
	if (drvdata->clk_ptr_ulpclk != NULL)
		clk_put(drvdata->clk_ptr_ulpclk);
	if (drvdata->clk_ptr_intclk != NULL)
		clk_put(drvdata->clk_ptr_intclk);

	snd_soc_card_set_drvdata(card, drvdata);
}
Commit	Line	Data
e0690385 OL	1	/*
	2	* Copyright (C) ST-Ericsson SA 2012
	3	*
	4	* Author: Ola Lilja <ola.o.lilja@stericsson.com>,
	5	* Kristoffer Karlsson <kristoffer.karlsson@stericsson.com>
	6	* for ST-Ericsson.
	7	*
	8	* License terms:
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License version 2 as published
	12	* by the Free Software Foundation.
	13	*/
	14
	15	#include <linux/module.h>
	16	#include <linux/device.h>
	17	#include <linux/io.h>
	18	#include <linux/clk.h>
	19
e0690385 OL	20	#include <sound/soc.h>
	21	#include <sound/soc-dapm.h>
	22	#include <sound/pcm.h>
	23	#include <sound/pcm_params.h>
	24
	25	#include "ux500_pcm.h"
	26	#include "ux500_msp_dai.h"
	27	#include "../codecs/ab8500-codec.h"
	28
	29	#define TX_SLOT_MONO 0x0008
	30	#define TX_SLOT_STEREO 0x000a
	31	#define RX_SLOT_MONO 0x0001
	32	#define RX_SLOT_STEREO 0x0003
	33	#define TX_SLOT_8CH 0x00FF
	34	#define RX_SLOT_8CH 0x00FF
	35
	36	#define DEF_TX_SLOTS TX_SLOT_STEREO
	37	#define DEF_RX_SLOTS RX_SLOT_MONO
	38
	39	#define DRIVERMODE_NORMAL 0
	40	#define DRIVERMODE_CODEC_ONLY 1
	41
	42	/* Slot configuration */
	43	static unsigned int tx_slots = DEF_TX_SLOTS;
	44	static unsigned int rx_slots = DEF_RX_SLOTS;
	45
	46	/* Clocks */
	47	static const char * const enum_mclk[] = {
	48	"SYSCLK",
	49	"ULPCLK"
	50	};
	51	enum mclk {
	52	MCLK_SYSCLK,
	53	MCLK_ULPCLK,
	54	};
	55
	56	static SOC_ENUM_SINGLE_EXT_DECL(soc_enum_mclk, enum_mclk);
	57
	58	/* Private data for machine-part MOP500<->AB8500 */
	59	struct mop500_ab8500_drvdata {
	60	/* Clocks */
	61	enum mclk mclk_sel;
	62	struct clk *clk_ptr_intclk;
	63	struct clk *clk_ptr_sysclk;
	64	struct clk *clk_ptr_ulpclk;
	65	};
	66
	67	static inline const char *get_mclk_str(enum mclk mclk_sel)
	68	{
	69	switch (mclk_sel) {
	70	case MCLK_SYSCLK:
	71	return "SYSCLK";
	72	case MCLK_ULPCLK:
	73	return "ULPCLK";
	74	default:
	75	return "Unknown";
	76	}
	77	}
	78
	79	static int mop500_ab8500_set_mclk(struct device *dev,
	80	struct mop500_ab8500_drvdata *drvdata)
	81	{
	82	int status;
	83	struct clk *clk_ptr;
84
85	if (IS_ERR(drvdata->clk_ptr_intclk)) {
86	dev_err(dev,
87	"%s: ERROR: intclk not initialized!\n", __func__);
88	return -EIO;
89	}
90
91	switch (drvdata->mclk_sel) {
92	case MCLK_SYSCLK:
93	clk_ptr = drvdata->clk_ptr_sysclk;
94	break;
95	case MCLK_ULPCLK:
96	clk_ptr = drvdata->clk_ptr_ulpclk;
97	break;
98	default:
99	return -EINVAL;
100	}
101
102	if (IS_ERR(clk_ptr)) {
103	dev_err(dev, "%s: ERROR: %s not initialized!\n", __func__,
104	get_mclk_str(drvdata->mclk_sel));
105	return -EIO;
106	}
107
108	status = clk_set_parent(drvdata->clk_ptr_intclk, clk_ptr);
109	if (status)
110	dev_err(dev,
111	"%s: ERROR: Setting intclk parent to %s failed (ret = %d)!",
112	__func__, get_mclk_str(drvdata->mclk_sel), status);
113	else
114	dev_dbg(dev,
115	"%s: intclk parent changed to %s.\n",
116	__func__, get_mclk_str(drvdata->mclk_sel));
117
118	return status;
119	}
120
121	/*
122	* Control-events
123	*/
124
125	static int mclk_input_control_get(struct snd_kcontrol *kcontrol,
126	struct snd_ctl_elem_value *ucontrol)
127	{
f656df65	128	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
e0690385	129	struct mop500_ab8500_drvdata *drvdata =
f656df65	130	snd_soc_card_get_drvdata(card);
e0690385 OL	131
	132	ucontrol->value.enumerated.item[0] = drvdata->mclk_sel;
	133
	134	return 0;
	135	}
	136
	137	static int mclk_input_control_put(struct snd_kcontrol *kcontrol,
	138	struct snd_ctl_elem_value *ucontrol)
	139	{
f656df65	140	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
e0690385	141	struct mop500_ab8500_drvdata *drvdata =
f656df65	142	snd_soc_card_get_drvdata(card);
e0690385 OL	143	unsigned int val = ucontrol->value.enumerated.item[0];
	144
	145	if (val > (unsigned int)MCLK_ULPCLK)
	146	return -EINVAL;
	147	if (drvdata->mclk_sel == val)
	148	return 0;
	149
	150	drvdata->mclk_sel = val;
	151
	152	return 1;
	153	}
	154
	155	/*
	156	* Controls
	157	*/
	158
	159	static struct snd_kcontrol_new mop500_ab8500_ctrls[] = {
	160	SOC_ENUM_EXT("Master Clock Select",
	161	soc_enum_mclk,
	162	mclk_input_control_get, mclk_input_control_put),
e0690385 OL	163	SOC_DAPM_PIN_SWITCH("Headset Left"),
	164	SOC_DAPM_PIN_SWITCH("Headset Right"),
	165	SOC_DAPM_PIN_SWITCH("Earpiece"),
	166	SOC_DAPM_PIN_SWITCH("Speaker Left"),
	167	SOC_DAPM_PIN_SWITCH("Speaker Right"),
	168	SOC_DAPM_PIN_SWITCH("LineOut Left"),
	169	SOC_DAPM_PIN_SWITCH("LineOut Right"),
	170	SOC_DAPM_PIN_SWITCH("Vibra 1"),
	171	SOC_DAPM_PIN_SWITCH("Vibra 2"),
	172	SOC_DAPM_PIN_SWITCH("Mic 1"),
	173	SOC_DAPM_PIN_SWITCH("Mic 2"),
	174	SOC_DAPM_PIN_SWITCH("LineIn Left"),
	175	SOC_DAPM_PIN_SWITCH("LineIn Right"),
	176	SOC_DAPM_PIN_SWITCH("DMic 1"),
	177	SOC_DAPM_PIN_SWITCH("DMic 2"),
	178	SOC_DAPM_PIN_SWITCH("DMic 3"),
	179	SOC_DAPM_PIN_SWITCH("DMic 4"),
	180	SOC_DAPM_PIN_SWITCH("DMic 5"),
	181	SOC_DAPM_PIN_SWITCH("DMic 6"),
	182	};
	183
	184	/* ASoC */
	185
	186	int mop500_ab8500_startup(struct snd_pcm_substream *substream)
	187	{
	188	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	189
	190	/* Set audio-clock source */
	191	return mop500_ab8500_set_mclk(rtd->card->dev,
	192	snd_soc_card_get_drvdata(rtd->card));
	193	}
	194
	195	void mop500_ab8500_shutdown(struct snd_pcm_substream *substream)
	196	{
	197	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	198	struct device *dev = rtd->card->dev;
	199
	200	dev_dbg(dev, "%s: Enter\n", __func__);
	201
	202	/* Reset slots configuration to default(s) */
	203	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
	204	tx_slots = DEF_TX_SLOTS;
	205	else
	206	rx_slots = DEF_RX_SLOTS;
	207	}
	208
	209	int mop500_ab8500_hw_params(struct snd_pcm_substream *substream,
	210	struct snd_pcm_hw_params *params)
	211	{
	212	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	213	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	214	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	215	struct device *dev = rtd->card->dev;
	216	unsigned int fmt;
	217	int channels, ret = 0, driver_mode, slots;
	218	unsigned int sw_codec, sw_cpu;
	219	bool is_playback;
	220
	221	dev_dbg(dev, "%s: Enter\n", __func__);
	222
	223	dev_dbg(dev, "%s: substream->pcm->name = %s\n"
	224	"substream->pcm->id = %s.\n"
	225	"substream->name = %s.\n"
	226	"substream->number = %d.\n",
227	__func__,
228	substream->pcm->name,
229	substream->pcm->id,
230	substream->name,
231	substream->number);
232
233	channels = params_channels(params);
234
235	switch (params_format(params)) {
236	case SNDRV_PCM_FORMAT_S32_LE:
237	sw_cpu = 32;
238	break;
239
240	case SNDRV_PCM_FORMAT_S16_LE:
241	sw_cpu = 16;
242	break;
243
244	default:
245	return -EINVAL;
246	}
247
248	/* Setup codec depending on driver-mode */
249	if (channels == 8)
250	driver_mode = DRIVERMODE_CODEC_ONLY;
251	else
252	driver_mode = DRIVERMODE_NORMAL;
253	dev_dbg(dev, "%s: Driver-mode: %s.\n", __func__,
254	(driver_mode == DRIVERMODE_NORMAL) ? "NORMAL" : "CODEC_ONLY");
255
256	/* Setup format */
257
258	if (driver_mode == DRIVERMODE_NORMAL) {
259	fmt = SND_SOC_DAIFMT_DSP_A \|
260	SND_SOC_DAIFMT_CBM_CFM \|
261	SND_SOC_DAIFMT_NB_NF \|
262	SND_SOC_DAIFMT_CONT;
263	} else {
264	fmt = SND_SOC_DAIFMT_DSP_A \|
265	SND_SOC_DAIFMT_CBM_CFM \|
266	SND_SOC_DAIFMT_NB_NF \|
267	SND_SOC_DAIFMT_GATED;
268	}
269
270	ret = snd_soc_dai_set_fmt(codec_dai, fmt);
271	if (ret < 0) {
272	dev_err(dev,
273	"%s: ERROR: snd_soc_dai_set_fmt failed for codec_dai (ret = %d)!\n",
274	__func__, ret);
275	return ret;
276	}
277
278	ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
279	if (ret < 0) {
280	dev_err(dev,
281	"%s: ERROR: snd_soc_dai_set_fmt failed for cpu_dai (ret = %d)!\n",
282	__func__, ret);
283	return ret;
284	}
285
286	/* Setup TDM-slots */
287
288	is_playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
289	switch (channels) {
290	case 1:
291	slots = 16;
292	tx_slots = (is_playback) ? TX_SLOT_MONO : 0;
293	rx_slots = (is_playback) ? 0 : RX_SLOT_MONO;
294	break;
295	case 2:
296	slots = 16;
297	tx_slots = (is_playback) ? TX_SLOT_STEREO : 0;
298	rx_slots = (is_playback) ? 0 : RX_SLOT_STEREO;
299	break;
300	case 8:
301	slots = 16;
302	tx_slots = (is_playback) ? TX_SLOT_8CH : 0;
303	rx_slots = (is_playback) ? 0 : RX_SLOT_8CH;
304	break;
305	default:
306	return -EINVAL;
307	}
308
309	if (driver_mode == DRIVERMODE_NORMAL)
310	sw_codec = sw_cpu;
311	else
312	sw_codec = 20;
313
314	dev_dbg(dev, "%s: CPU-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__,
315	tx_slots, rx_slots);
316	ret = snd_soc_dai_set_tdm_slot(cpu_dai, tx_slots, rx_slots, slots,
317	sw_cpu);
318	if (ret)
319	return ret;
320
321	dev_dbg(dev, "%s: CODEC-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__,
322	tx_slots, rx_slots);
323	ret = snd_soc_dai_set_tdm_slot(codec_dai, tx_slots, rx_slots, slots,
324	sw_codec);
325	if (ret)
326	return ret;
327
328	return 0;
329	}
330
331	struct snd_soc_ops mop500_ab8500_ops[] = {
332	{
333	.hw_params = mop500_ab8500_hw_params,
334	.startup = mop500_ab8500_startup,
335	.shutdown = mop500_ab8500_shutdown,
336	}
337	};
338
339	int mop500_ab8500_machine_init(struct snd_soc_pcm_runtime *rtd)
340	{
341	struct snd_soc_codec *codec = rtd->codec;
342	struct device *dev = rtd->card->dev;
343	struct mop500_ab8500_drvdata *drvdata;
344	int ret;
345
346	dev_dbg(dev, "%s Enter.\n", __func__);
347
348	/* Create driver private-data struct */
349	drvdata = devm_kzalloc(dev, sizeof(struct mop500_ab8500_drvdata),
350	GFP_KERNEL);
351	snd_soc_card_set_drvdata(rtd->card, drvdata);
352
353	/* Setup clocks */
354
355	drvdata->clk_ptr_sysclk = clk_get(dev, "sysclk");
356	if (IS_ERR(drvdata->clk_ptr_sysclk))
357	dev_warn(dev, "%s: WARNING: clk_get failed for 'sysclk'!\n",
358	__func__);
359	drvdata->clk_ptr_ulpclk = clk_get(dev, "ulpclk");
360	if (IS_ERR(drvdata->clk_ptr_ulpclk))
361	dev_warn(dev, "%s: WARNING: clk_get failed for 'ulpclk'!\n",
362	__func__);
363	drvdata->clk_ptr_intclk = clk_get(dev, "intclk");
364	if (IS_ERR(drvdata->clk_ptr_intclk))
365	dev_warn(dev, "%s: WARNING: clk_get failed for 'intclk'!\n",
366	__func__);
367
368	/* Set intclk default parent to ulpclk */
369	drvdata->mclk_sel = MCLK_ULPCLK;
370	ret = mop500_ab8500_set_mclk(dev, drvdata);
371	if (ret < 0)
372	dev_warn(dev, "%s: WARNING: mop500_ab8500_set_mclk!\n",
373	__func__);
374
375	drvdata->mclk_sel = MCLK_ULPCLK;
376
377	/* Add controls */
f656df65	378	ret = snd_soc_add_card_controls(codec->card, mop500_ab8500_ctrls,
e0690385 OL	379	ARRAY_SIZE(mop500_ab8500_ctrls));
	380	if (ret < 0) {
	381	pr_err("%s: Failed to add machine-controls (%d)!\n",
	382	__func__, ret);
	383	return ret;
	384	}
	385
	386	ret = snd_soc_dapm_disable_pin(&codec->dapm, "Earpiece");
	387	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "Speaker Left");
	388	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "Speaker Right");
	389	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "LineOut Left");
	390	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "LineOut Right");
	391	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "Vibra 1");
	392	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "Vibra 2");
	393	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "Mic 1");
	394	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "Mic 2");
	395	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "LineIn Left");
	396	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "LineIn Right");
	397	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 1");
	398	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 2");
	399	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 3");
	400	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 4");
	401	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 5");
	402	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 6");
	403
	404	return ret;
	405	}
	406
	407	void mop500_ab8500_remove(struct snd_soc_card *card)
	408	{
	409	struct mop500_ab8500_drvdata *drvdata = snd_soc_card_get_drvdata(card);
	410
	411	if (drvdata->clk_ptr_sysclk != NULL)
	412	clk_put(drvdata->clk_ptr_sysclk);
	413	if (drvdata->clk_ptr_ulpclk != NULL)
	414	clk_put(drvdata->clk_ptr_ulpclk);
	415	if (drvdata->clk_ptr_intclk != NULL)
	416	clk_put(drvdata->clk_ptr_intclk);
	417
	418	snd_soc_card_set_drvdata(card, drvdata);
	419	}