/* Copyright (c) 2009-2011, The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */
/*
 * Qualcomm Marimba Core Driver header file
 */

#ifndef _MARIMBA_H
#define _MARIMBA_H_

#include <linux/types.h>
#include <linux/i2c.h>
#include <linux/input/msm_ts.h>
#include <mach/vreg.h>

#define MARIMBA_NUM_CHILD			4

#define MARIMBA_SLAVE_ID_MARIMBA	0x00
#define MARIMBA_SLAVE_ID_FM			0x01
#define MARIMBA_SLAVE_ID_CDC		0x02
#define MARIMBA_SLAVE_ID_QMEMBIST	0x03

#define MARIMBA_ID_TSADC			0x04

#define BAHAMA_SLAVE_ID_FM_ID		0x02
#define SLAVE_ID_BAHAMA			0x05
#define SLAVE_ID_BAHAMA_FM		0x07
#define SLAVE_ID_BAHAMA_QMEMBIST	0x08

#if defined(CONFIG_ARCH_MSM7X30)
#define MARIMBA_SSBI_ADAP		0x7
#elif defined(CONFIG_ARCH_MSM8X60)
#define MARIMBA_SSBI_ADAP		0X8
#endif

enum chip_id {
	MARIMBA_ID = 0,
	TIMPANI_ID,
	BAHAMA_ID,
	CHIP_ID_MAX
};

enum bahama_version {
	BAHAMA_VER_1_0,
	BAHAMA_VER_2_0,
	BAHAMA_VER_UNSUPPORTED = 0xFF
};
enum {
	BT_PCM_ON,
	BT_PCM_OFF,
	FM_I2S_ON,
	FM_I2S_OFF,
};
struct marimba {
	struct i2c_client *client;

	struct i2c_msg xfer_msg[2];

	struct mutex xfer_lock;

	int mod_id;
};

struct marimba_top_level_platform_data {
	int slave_id;     /* Member added for eg. */
};

struct marimba_fm_platform_data {
	int irq;
	int (*fm_setup)(struct marimba_fm_platform_data *pdata);
	void (*fm_shutdown)(struct marimba_fm_platform_data *pdata);
	struct vreg *vreg_s2;
	struct vreg *vreg_xo_out;
	/*
	This is to indicate whether Fm SoC is I2S master/slave
		false	- FM SoC is I2S slave
		true	- FM SoC is I2S master
	*/
	bool is_fm_soc_i2s_master;
	int (*config_i2s_gpio)(int mode);
};

struct marimba_codec_platform_data {
	int (*marimba_codec_power)(int vreg_on);
	void (*snddev_profile_init) (void);
};

struct marimba_tsadc_setup_params {
	bool pen_irq_en;
	bool tsadc_en;
};

enum sample_period {
	TSADC_CLK_3 = 0,
	TSADC_CLK_24,
	TSADC_CLK_36,
	TSADC_CLK_48,
	TSADC_CLK_1,
	TSADC_CLK_2,
	TSADC_CLK_6,
	TSADC_CLK_12,
	TSADC_CLOCK_MAX
};

struct marimba_tsadc_config_params2 {
	unsigned long input_clk_khz;
	enum sample_period sample_prd;
};

struct marimba_tsadc_config_params3 {
	unsigned long prechg_time_nsecs;
	unsigned long stable_time_nsecs;
	unsigned long tsadc_test_mode;
};

struct marimba_tsadc_platform_data {
	int (*marimba_tsadc_power)(int vreg_on);
	int (*init)(void);
	int (*exit)(void);
	int (*level_vote)(int vote_on);
	bool tsadc_prechg_en;
	bool can_wakeup;
	struct marimba_tsadc_setup_params setup;
	struct marimba_tsadc_config_params2 params2;
	struct marimba_tsadc_config_params3 params3;

	struct msm_ts_platform_data *tssc_data;
};

/*
 * Marimba Platform Data
 * */
struct marimba_platform_data {
	struct marimba_top_level_platform_data	*marimba_tp_level;
	struct marimba_fm_platform_data		*fm;
	struct marimba_codec_platform_data	*codec;
	struct marimba_tsadc_platform_data	*tsadc;
	u8 slave_id[(MARIMBA_NUM_CHILD + 1) * CHIP_ID_MAX];
	u32 (*marimba_setup) (void);
	void (*marimba_shutdown) (void);
	u32 (*bahama_setup) (void);
	u32 (*bahama_shutdown) (int);
	u32 (*marimba_gpio_config) (int);
	u32 (*bahama_core_config) (int type);
	u32 tsadc_ssbi_adap;
};

/*
 * Read and Write to register
 * */
int marimba_read(struct marimba *, u8 reg, u8 *value, unsigned num_bytes);
int marimba_write(struct marimba *, u8 reg, u8 *value, unsigned num_bytes);

/*
 * Read and Write single 8 bit register with bit mask
 * */
int marimba_read_bit_mask(struct marimba *, u8 reg, u8 *value,
					unsigned num_bytes, u8 mask);
int marimba_write_bit_mask(struct marimba *, u8 reg, u8 *value,
					unsigned num_bytes, u8 mask);

/*
 * Read and Write to TSADC registers across the SSBI
 * * */
int marimba_ssbi_read(struct marimba *, u16 reg, u8 *value, int len);
int marimba_ssbi_write(struct marimba *, u16 reg , u8 *value, int len);

/* Read and write to Timpani */
int timpani_read(struct marimba*, u8 reg, u8 *value, unsigned num_bytes);
int timpani_write(struct marimba*, u8 reg, u8 *value,
				unsigned num_bytes);

/* Get the detected codec type */
int adie_get_detected_codec_type(void);
int adie_get_detected_connectivity_type(void);
int marimba_gpio_config(int gpio_value);
bool marimba_get_fm_status(struct marimba *);
bool marimba_get_bt_status(struct marimba *);
void marimba_set_fm_status(struct marimba *, bool);
void marimba_set_bt_status(struct marimba *, bool);
int marimba_read_bahama_ver(struct marimba *);
#endif