[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 "mop500_ab8500.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 */

static 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));
}

static 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;
}

static 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"
06b9671e	27	#include "mop500_ab8500.h"
e0690385 OL	28	#include "../codecs/ab8500-codec.h"
	29
	30	#define TX_SLOT_MONO 0x0008
	31	#define TX_SLOT_STEREO 0x000a
	32	#define RX_SLOT_MONO 0x0001
	33	#define RX_SLOT_STEREO 0x0003
	34	#define TX_SLOT_8CH 0x00FF
	35	#define RX_SLOT_8CH 0x00FF
	36
	37	#define DEF_TX_SLOTS TX_SLOT_STEREO
	38	#define DEF_RX_SLOTS RX_SLOT_MONO
	39
	40	#define DRIVERMODE_NORMAL 0
	41	#define DRIVERMODE_CODEC_ONLY 1
	42
	43	/* Slot configuration */
	44	static unsigned int tx_slots = DEF_TX_SLOTS;
	45	static unsigned int rx_slots = DEF_RX_SLOTS;
	46
	47	/* Clocks */
	48	static const char * const enum_mclk[] = {
	49	"SYSCLK",
	50	"ULPCLK"
	51	};
	52	enum mclk {
	53	MCLK_SYSCLK,
	54	MCLK_ULPCLK,
	55	};
	56
	57	static SOC_ENUM_SINGLE_EXT_DECL(soc_enum_mclk, enum_mclk);
	58
	59	/* Private data for machine-part MOP500<->AB8500 */
	60	struct mop500_ab8500_drvdata {
	61	/* Clocks */
	62	enum mclk mclk_sel;
	63	struct clk *clk_ptr_intclk;
	64	struct clk *clk_ptr_sysclk;
	65	struct clk *clk_ptr_ulpclk;
	66	};
	67
	68	static inline const char *get_mclk_str(enum mclk mclk_sel)
	69	{
	70	switch (mclk_sel) {
	71	case MCLK_SYSCLK:
	72	return "SYSCLK";
	73	case MCLK_ULPCLK:
	74	return "ULPCLK";
	75	default:
	76	return "Unknown";
	77	}
	78	}
	79
	80	static int mop500_ab8500_set_mclk(struct device *dev,
	81	struct mop500_ab8500_drvdata *drvdata)
	82	{
	83	int status;
	84	struct clk *clk_ptr;
	85
	86	if (IS_ERR(drvdata->clk_ptr_intclk)) {
	87	dev_err(dev,
	88	"%s: ERROR: intclk not initialized!\n", __func__);
	89	return -EIO;
	90	}
	91
92	switch (drvdata->mclk_sel) {
93	case MCLK_SYSCLK:
94	clk_ptr = drvdata->clk_ptr_sysclk;
95	break;
96	case MCLK_ULPCLK:
97	clk_ptr = drvdata->clk_ptr_ulpclk;
98	break;
99	default:
100	return -EINVAL;
101	}
102
103	if (IS_ERR(clk_ptr)) {
104	dev_err(dev, "%s: ERROR: %s not initialized!\n", __func__,
105	get_mclk_str(drvdata->mclk_sel));
106	return -EIO;
107	}
108
109	status = clk_set_parent(drvdata->clk_ptr_intclk, clk_ptr);
110	if (status)
111	dev_err(dev,
112	"%s: ERROR: Setting intclk parent to %s failed (ret = %d)!",
113	__func__, get_mclk_str(drvdata->mclk_sel), status);
114	else
115	dev_dbg(dev,
116	"%s: intclk parent changed to %s.\n",
117	__func__, get_mclk_str(drvdata->mclk_sel));
118
119	return status;
120	}
121
122	/*
123	* Control-events
124	*/
125
126	static int mclk_input_control_get(struct snd_kcontrol *kcontrol,
127	struct snd_ctl_elem_value *ucontrol)
128	{
f656df65	129	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
e0690385	130	struct mop500_ab8500_drvdata *drvdata =
f656df65	131	snd_soc_card_get_drvdata(card);
e0690385 OL	132
	133	ucontrol->value.enumerated.item[0] = drvdata->mclk_sel;
	134
	135	return 0;
	136	}
	137
	138	static int mclk_input_control_put(struct snd_kcontrol *kcontrol,
	139	struct snd_ctl_elem_value *ucontrol)
	140	{
f656df65	141	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
e0690385	142	struct mop500_ab8500_drvdata *drvdata =
f656df65	143	snd_soc_card_get_drvdata(card);
e0690385 OL	144	unsigned int val = ucontrol->value.enumerated.item[0];
	145
	146	if (val > (unsigned int)MCLK_ULPCLK)
	147	return -EINVAL;
	148	if (drvdata->mclk_sel == val)
	149	return 0;
	150
	151	drvdata->mclk_sel = val;
	152
	153	return 1;
	154	}
	155
	156	/*
	157	* Controls
	158	*/
	159
	160	static struct snd_kcontrol_new mop500_ab8500_ctrls[] = {
	161	SOC_ENUM_EXT("Master Clock Select",
	162	soc_enum_mclk,
	163	mclk_input_control_get, mclk_input_control_put),
e0690385 OL	164	SOC_DAPM_PIN_SWITCH("Headset Left"),
	165	SOC_DAPM_PIN_SWITCH("Headset Right"),
	166	SOC_DAPM_PIN_SWITCH("Earpiece"),
	167	SOC_DAPM_PIN_SWITCH("Speaker Left"),
	168	SOC_DAPM_PIN_SWITCH("Speaker Right"),
	169	SOC_DAPM_PIN_SWITCH("LineOut Left"),
	170	SOC_DAPM_PIN_SWITCH("LineOut Right"),
	171	SOC_DAPM_PIN_SWITCH("Vibra 1"),
	172	SOC_DAPM_PIN_SWITCH("Vibra 2"),
	173	SOC_DAPM_PIN_SWITCH("Mic 1"),
	174	SOC_DAPM_PIN_SWITCH("Mic 2"),
	175	SOC_DAPM_PIN_SWITCH("LineIn Left"),
	176	SOC_DAPM_PIN_SWITCH("LineIn Right"),
	177	SOC_DAPM_PIN_SWITCH("DMic 1"),
	178	SOC_DAPM_PIN_SWITCH("DMic 2"),
	179	SOC_DAPM_PIN_SWITCH("DMic 3"),
	180	SOC_DAPM_PIN_SWITCH("DMic 4"),
	181	SOC_DAPM_PIN_SWITCH("DMic 5"),
	182	SOC_DAPM_PIN_SWITCH("DMic 6"),
	183	};
	184
	185	/* ASoC */
	186
cdeecac4	187	static int mop500_ab8500_startup(struct snd_pcm_substream *substream)
e0690385 OL	188	{
	189	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	190
	191	/* Set audio-clock source */
	192	return mop500_ab8500_set_mclk(rtd->card->dev,
	193	snd_soc_card_get_drvdata(rtd->card));
	194	}
	195
cdeecac4	196	static void mop500_ab8500_shutdown(struct snd_pcm_substream *substream)
e0690385 OL	197	{
	198	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	199	struct device *dev = rtd->card->dev;
	200
	201	dev_dbg(dev, "%s: Enter\n", __func__);
	202
	203	/* Reset slots configuration to default(s) */
	204	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
	205	tx_slots = DEF_TX_SLOTS;
	206	else
	207	rx_slots = DEF_RX_SLOTS;
	208	}
	209
cdeecac4	210	static int mop500_ab8500_hw_params(struct snd_pcm_substream *substream,
e0690385 OL	211	struct snd_pcm_hw_params *params)
	212	{
	213	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	214	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	215	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	216	struct device *dev = rtd->card->dev;
	217	unsigned int fmt;
	218	int channels, ret = 0, driver_mode, slots;
	219	unsigned int sw_codec, sw_cpu;
	220	bool is_playback;
	221
	222	dev_dbg(dev, "%s: Enter\n", __func__);
	223
	224	dev_dbg(dev, "%s: substream->pcm->name = %s\n"
	225	"substream->pcm->id = %s.\n"
	226	"substream->name = %s.\n"
	227	"substream->number = %d.\n",
	228	__func__,
	229	substream->pcm->name,
	230	substream->pcm->id,
	231	substream->name,
	232	substream->number);
	233
	234	channels = params_channels(params);
	235
	236	switch (params_format(params)) {
	237	case SNDRV_PCM_FORMAT_S32_LE:
	238	sw_cpu = 32;
	239	break;
	240
	241	case SNDRV_PCM_FORMAT_S16_LE:
	242	sw_cpu = 16;
	243	break;
	244
	245	default:
	246	return -EINVAL;
	247	}
	248
	249	/* Setup codec depending on driver-mode */
	250	if (channels == 8)
	251	driver_mode = DRIVERMODE_CODEC_ONLY;
	252	else
	253	driver_mode = DRIVERMODE_NORMAL;
	254	dev_dbg(dev, "%s: Driver-mode: %s.\n", __func__,
	255	(driver_mode == DRIVERMODE_NORMAL) ? "NORMAL" : "CODEC_ONLY");
	256
	257	/* Setup format */
	258
	259	if (driver_mode == DRIVERMODE_NORMAL) {
	260	fmt = SND_SOC_DAIFMT_DSP_A \|
	261	SND_SOC_DAIFMT_CBM_CFM \|
	262	SND_SOC_DAIFMT_NB_NF \|
	263	SND_SOC_DAIFMT_CONT;
	264	} else {
	265	fmt = SND_SOC_DAIFMT_DSP_A \|
	266	SND_SOC_DAIFMT_CBM_CFM \|
	267	SND_SOC_DAIFMT_NB_NF \|
	268	SND_SOC_DAIFMT_GATED;
	269	}
	270
	271	ret = snd_soc_dai_set_fmt(codec_dai, fmt);
	272	if (ret < 0) {
	273	dev_err(dev,
	274	"%s: ERROR: snd_soc_dai_set_fmt failed for codec_dai (ret = %d)!\n",
275	__func__, ret);
276	return ret;
277	}
278
279	ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
280	if (ret < 0) {
281	dev_err(dev,
282	"%s: ERROR: snd_soc_dai_set_fmt failed for cpu_dai (ret = %d)!\n",
283	__func__, ret);
284	return ret;
285	}
286
287	/* Setup TDM-slots */
288
289	is_playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
290	switch (channels) {
291	case 1:
292	slots = 16;
293	tx_slots = (is_playback) ? TX_SLOT_MONO : 0;
294	rx_slots = (is_playback) ? 0 : RX_SLOT_MONO;
295	break;
296	case 2:
297	slots = 16;
298	tx_slots = (is_playback) ? TX_SLOT_STEREO : 0;
299	rx_slots = (is_playback) ? 0 : RX_SLOT_STEREO;
300	break;
301	case 8:
302	slots = 16;
303	tx_slots = (is_playback) ? TX_SLOT_8CH : 0;
304	rx_slots = (is_playback) ? 0 : RX_SLOT_8CH;
305	break;
306	default:
307	return -EINVAL;
308	}
309
310	if (driver_mode == DRIVERMODE_NORMAL)
311	sw_codec = sw_cpu;
312	else
313	sw_codec = 20;
314
315	dev_dbg(dev, "%s: CPU-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__,
316	tx_slots, rx_slots);
317	ret = snd_soc_dai_set_tdm_slot(cpu_dai, tx_slots, rx_slots, slots,
318	sw_cpu);
319	if (ret)
320	return ret;
321
322	dev_dbg(dev, "%s: CODEC-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__,
323	tx_slots, rx_slots);
324	ret = snd_soc_dai_set_tdm_slot(codec_dai, tx_slots, rx_slots, slots,
325	sw_codec);
326	if (ret)
327	return ret;
328
329	return 0;
330	}
331
332	struct snd_soc_ops mop500_ab8500_ops[] = {
333	{
334	.hw_params = mop500_ab8500_hw_params,
335	.startup = mop500_ab8500_startup,
336	.shutdown = mop500_ab8500_shutdown,
337	}
338	};
339
340	int mop500_ab8500_machine_init(struct snd_soc_pcm_runtime *rtd)
341	{
342	struct snd_soc_codec *codec = rtd->codec;
343	struct device *dev = rtd->card->dev;
344	struct mop500_ab8500_drvdata *drvdata;
345	int ret;
346
347	dev_dbg(dev, "%s Enter.\n", __func__);
348
349	/* Create driver private-data struct */
350	drvdata = devm_kzalloc(dev, sizeof(struct mop500_ab8500_drvdata),
351	GFP_KERNEL);
352	snd_soc_card_set_drvdata(rtd->card, drvdata);
353
354	/* Setup clocks */
355
356	drvdata->clk_ptr_sysclk = clk_get(dev, "sysclk");
357	if (IS_ERR(drvdata->clk_ptr_sysclk))
358	dev_warn(dev, "%s: WARNING: clk_get failed for 'sysclk'!\n",
359	__func__);
360	drvdata->clk_ptr_ulpclk = clk_get(dev, "ulpclk");
361	if (IS_ERR(drvdata->clk_ptr_ulpclk))
362	dev_warn(dev, "%s: WARNING: clk_get failed for 'ulpclk'!\n",
363	__func__);
364	drvdata->clk_ptr_intclk = clk_get(dev, "intclk");
365	if (IS_ERR(drvdata->clk_ptr_intclk))
366	dev_warn(dev, "%s: WARNING: clk_get failed for 'intclk'!\n",
367	__func__);
368
369	/* Set intclk default parent to ulpclk */
370	drvdata->mclk_sel = MCLK_ULPCLK;
371	ret = mop500_ab8500_set_mclk(dev, drvdata);
372	if (ret < 0)
373	dev_warn(dev, "%s: WARNING: mop500_ab8500_set_mclk!\n",
374	__func__);
375
376	drvdata->mclk_sel = MCLK_ULPCLK;
377
378	/* Add controls */
f656df65	379	ret = snd_soc_add_card_controls(codec->card, mop500_ab8500_ctrls,
e0690385 OL	380	ARRAY_SIZE(mop500_ab8500_ctrls));
	381	if (ret < 0) {
	382	pr_err("%s: Failed to add machine-controls (%d)!\n",
	383	__func__, ret);
	384	return ret;
	385	}
	386
	387	ret = snd_soc_dapm_disable_pin(&codec->dapm, "Earpiece");
	388	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "Speaker Left");
	389	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "Speaker Right");
	390	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "LineOut Left");
	391	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "LineOut Right");
	392	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "Vibra 1");
	393	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "Vibra 2");
	394	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "Mic 1");
	395	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "Mic 2");
	396	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "LineIn Left");
	397	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "LineIn Right");
	398	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 1");
	399	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 2");
	400	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 3");
	401	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 4");
	402	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 5");
	403	ret \|= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 6");
	404
	405	return ret;
	406	}
	407
	408	void mop500_ab8500_remove(struct snd_soc_card *card)
	409	{
	410	struct mop500_ab8500_drvdata *drvdata = snd_soc_card_get_drvdata(card);
	411
	412	if (drvdata->clk_ptr_sysclk != NULL)
	413	clk_put(drvdata->clk_ptr_sysclk);
	414	if (drvdata->clk_ptr_ulpclk != NULL)
	415	clk_put(drvdata->clk_ptr_ulpclk);
	416	if (drvdata->clk_ptr_intclk != NULL)
	417	clk_put(drvdata->clk_ptr_intclk);
	418
	419	snd_soc_card_set_drvdata(card, drvdata);
	420	}