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/* Copyright (c) 2011-2017, 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.
*/
#ifndef __MFD_TABLA_CORE_H__
#define __MFD_TABLA_CORE_H__
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/of_irq.h>
#include <linux/interrupt.h>
#include <linux/pm_qos.h>
#define WCD9XXX_MAX_IRQ_REGS 4
#define WCD9XXX_MAX_NUM_IRQS (WCD9XXX_MAX_IRQ_REGS * 8)
#define WCD9XXX_SLIM_NUM_PORT_REG 3
#define TABLA_VERSION_1_0 0
#define TABLA_VERSION_1_1 1
#define TABLA_VERSION_2_0 2
#define TABLA_IS_1_X(ver) \
(((ver == TABLA_VERSION_1_0) || (ver == TABLA_VERSION_1_1)) ? 1 : 0)
#define TABLA_IS_2_0(ver) ((ver == TABLA_VERSION_2_0) ? 1 : 0)
#define WCD9XXX_SUPPLY_BUCK_NAME "cdc-vdd-buck"
#define SITAR_VERSION_1P0 0
#define SITAR_VERSION_1P1 1
#define SITAR_IS_1P0(ver) \
((ver == SITAR_VERSION_1P0) ? 1 : 0)
#define SITAR_IS_1P1(ver) \
((ver == SITAR_VERSION_1P1) ? 1 : 0)
#define TAIKO_VERSION_1_0 1
#define TAIKO_IS_1_0(ver) \
((ver == TAIKO_VERSION_1_0) ? 1 : 0)
#define TAPAN_VERSION_1_0 0
#define TAPAN_IS_1_0(ver) \
((ver == TAPAN_VERSION_1_0) ? 1 : 0)
#define TOMTOM_VERSION_1_0 1
#define TOMTOM_IS_1_0(ver) \
((ver == TOMTOM_VERSION_1_0) ? 1 : 0)
#define TASHA_VERSION_1_0 0
#define TASHA_VERSION_1_1 1
#define TASHA_VERSION_2_0 2
#define TASHA_IS_1_0(wcd) \
((wcd->type == WCD9335 || wcd->type == WCD9326) ? \
((wcd->version == TASHA_VERSION_1_0) ? 1 : 0) : 0)
#define TASHA_IS_1_1(wcd) \
((wcd->type == WCD9335 || wcd->type == WCD9326) ? \
((wcd->version == TASHA_VERSION_1_1) ? 1 : 0) : 0)
#define TASHA_IS_2_0(wcd) \
((wcd->type == WCD9335 || wcd->type == WCD9326) ? \
((wcd->version == TASHA_VERSION_2_0) ? 1 : 0) : 0)
/*
* As fine version info cannot be retrieved before tavil probe.
* Define three coarse versions for possible future use before tavil probe.
*/
#define TAVIL_VERSION_1_0 0
#define TAVIL_VERSION_1_1 1
#define TAVIL_VERSION_WCD9340_1_0 2
#define TAVIL_VERSION_WCD9341_1_0 3
#define TAVIL_VERSION_WCD9340_1_1 4
#define TAVIL_VERSION_WCD9341_1_1 5
#define TAVIL_IS_1_0(wcd) \
((wcd->type == WCD934X) ? \
((wcd->version == TAVIL_VERSION_1_0 || \
wcd->version == TAVIL_VERSION_WCD9340_1_0 || \
wcd->version == TAVIL_VERSION_WCD9341_1_0) ? 1 : 0) : 0)
#define TAVIL_IS_1_1(wcd) \
((wcd->type == WCD934X) ? \
((wcd->version == TAVIL_VERSION_1_1 || \
wcd->version == TAVIL_VERSION_WCD9340_1_1 || \
wcd->version == TAVIL_VERSION_WCD9341_1_1) ? 1 : 0) : 0)
#define TAVIL_IS_WCD9340_1_0(wcd) \
((wcd->type == WCD934X) ? \
((wcd->version == TAVIL_VERSION_WCD9340_1_0) ? 1 : 0) : 0)
#define TAVIL_IS_WCD9341_1_0(wcd) \
((wcd->type == WCD934X) ? \
((wcd->version == TAVIL_VERSION_WCD9341_1_0) ? 1 : 0) : 0)
#define TAVIL_IS_WCD9340_1_1(wcd) \
((wcd->type == WCD934X) ? \
((wcd->version == TAVIL_VERSION_WCD9340_1_1) ? 1 : 0) : 0)
#define TAVIL_IS_WCD9341_1_1(wcd) \
((wcd->type == WCD934X) ? \
((wcd->version == TAVIL_VERSION_WCD9341_1_1) ? 1 : 0) : 0)
#define IS_CODEC_TYPE(wcd, wcdtype) \
((wcd->type == wcdtype) ? true : false)
#define IS_CODEC_VERSION(wcd, wcdversion) \
((wcd->version == wcdversion) ? true : false)
enum {
CDC_V_1_0,
CDC_V_1_1,
CDC_V_2_0,
};
enum codec_variant {
WCD9XXX,
WCD9330,
WCD9335,
WCD9326,
WCD934X,
};
enum wcd9xxx_slim_slave_addr_type {
WCD9XXX_SLIM_SLAVE_ADDR_TYPE_0,
WCD9XXX_SLIM_SLAVE_ADDR_TYPE_1,
};
enum wcd9xxx_pm_state {
WCD9XXX_PM_SLEEPABLE,
WCD9XXX_PM_AWAKE,
WCD9XXX_PM_ASLEEP,
};
enum {
WCD9XXX_INTR_STATUS_BASE = 0,
WCD9XXX_INTR_CLEAR_BASE,
WCD9XXX_INTR_MASK_BASE,
WCD9XXX_INTR_LEVEL_BASE,
WCD9XXX_INTR_CLR_COMMIT,
WCD9XXX_INTR_REG_MAX,
};
enum wcd9xxx_intf_status {
WCD9XXX_INTERFACE_TYPE_PROBING,
WCD9XXX_INTERFACE_TYPE_SLIMBUS,
WCD9XXX_INTERFACE_TYPE_I2C,
};
enum {
/* INTR_REG 0 */
WCD9XXX_IRQ_SLIMBUS = 0,
WCD9XXX_IRQ_MBHC_REMOVAL,
WCD9XXX_IRQ_MBHC_SHORT_TERM,
WCD9XXX_IRQ_MBHC_PRESS,
WCD9XXX_IRQ_MBHC_RELEASE,
WCD9XXX_IRQ_MBHC_POTENTIAL,
WCD9XXX_IRQ_MBHC_INSERTION,
WCD9XXX_IRQ_BG_PRECHARGE,
/* INTR_REG 1 */
WCD9XXX_IRQ_PA1_STARTUP,
WCD9XXX_IRQ_PA2_STARTUP,
WCD9XXX_IRQ_PA3_STARTUP,
WCD9XXX_IRQ_PA4_STARTUP,
WCD9306_IRQ_HPH_PA_OCPR_FAULT = WCD9XXX_IRQ_PA4_STARTUP,
WCD9XXX_IRQ_PA5_STARTUP,
WCD9XXX_IRQ_MICBIAS1_PRECHARGE,
WCD9306_IRQ_HPH_PA_OCPL_FAULT = WCD9XXX_IRQ_MICBIAS1_PRECHARGE,
WCD9XXX_IRQ_MICBIAS2_PRECHARGE,
WCD9XXX_IRQ_MICBIAS3_PRECHARGE,
/* INTR_REG 2 */
WCD9XXX_IRQ_HPH_PA_OCPL_FAULT,
WCD9XXX_IRQ_HPH_PA_OCPR_FAULT,
WCD9XXX_IRQ_EAR_PA_OCPL_FAULT,
WCD9XXX_IRQ_HPH_L_PA_STARTUP,
WCD9XXX_IRQ_HPH_R_PA_STARTUP,
WCD9320_IRQ_EAR_PA_STARTUP,
WCD9306_IRQ_MBHC_JACK_SWITCH = WCD9320_IRQ_EAR_PA_STARTUP,
WCD9310_NUM_IRQS,
WCD9XXX_IRQ_RESERVED_0 = WCD9310_NUM_IRQS,
WCD9XXX_IRQ_RESERVED_1,
WCD9330_IRQ_SVASS_ERR_EXCEPTION = WCD9310_NUM_IRQS,
WCD9330_IRQ_MBHC_JACK_SWITCH,
/* INTR_REG 3 */
WCD9XXX_IRQ_MAD_AUDIO,
WCD9XXX_IRQ_MAD_ULTRASOUND,
WCD9XXX_IRQ_MAD_BEACON,
WCD9XXX_IRQ_SPEAKER_CLIPPING,
WCD9320_IRQ_MBHC_JACK_SWITCH,
WCD9306_NUM_IRQS,
WCD9XXX_IRQ_VBAT_MONITOR_ATTACK = WCD9306_NUM_IRQS,
WCD9XXX_IRQ_VBAT_MONITOR_RELEASE,
WCD9XXX_NUM_IRQS,
/* WCD9330 INTR1_REG 3*/
WCD9330_IRQ_SVASS_ENGINE = WCD9XXX_IRQ_MAD_AUDIO,
WCD9330_IRQ_MAD_AUDIO,
WCD9330_IRQ_MAD_ULTRASOUND,
WCD9330_IRQ_MAD_BEACON,
WCD9330_IRQ_SPEAKER1_CLIPPING,
WCD9330_IRQ_SPEAKER2_CLIPPING,
WCD9330_IRQ_VBAT_MONITOR_ATTACK,
WCD9330_IRQ_VBAT_MONITOR_RELEASE,
WCD9330_NUM_IRQS,
WCD9XXX_IRQ_RESERVED_2 = WCD9330_NUM_IRQS,
};
enum {
TABLA_NUM_IRQS = WCD9310_NUM_IRQS,
SITAR_NUM_IRQS = WCD9310_NUM_IRQS,
TAIKO_NUM_IRQS = WCD9XXX_NUM_IRQS,
TAPAN_NUM_IRQS = WCD9306_NUM_IRQS,
TOMTOM_NUM_IRQS = WCD9330_NUM_IRQS,
};
struct intr_data {
int intr_num;
bool clear_first;
};
struct wcd9xxx_core_resource {
struct mutex irq_lock;
struct mutex nested_irq_lock;
enum wcd9xxx_pm_state pm_state;
struct mutex pm_lock;
/* pm_wq notifies change of pm_state */
wait_queue_head_t pm_wq;
struct pm_qos_request pm_qos_req;
int wlock_holders;
/* holds the table of interrupts per codec */
const struct intr_data *intr_table;
int intr_table_size;
unsigned int irq_base;
unsigned int irq;
u8 irq_masks_cur[WCD9XXX_MAX_IRQ_REGS];
u8 irq_masks_cache[WCD9XXX_MAX_IRQ_REGS];
bool irq_level_high[WCD9XXX_MAX_NUM_IRQS];
int num_irqs;
int num_irq_regs;
u16 intr_reg[WCD9XXX_INTR_REG_MAX];
struct regmap *wcd_core_regmap;
/* Pointer to parent container data structure */
void *parent;
struct device *dev;
struct irq_domain *domain;
};
/*
* data structure for Slimbus and I2S channel.
* Some of fields are only used in smilbus mode
*/
struct wcd9xxx_ch {
u32 sph; /* share channel handle - slimbus only */
u32 ch_num; /*
* vitrual channel number, such as 128 -144.
* apply for slimbus only
*/
u16 ch_h; /* chanel handle - slimbus only */
u16 port; /*
* tabla port for RX and TX
* such as 0-9 for TX and 10 -16 for RX
* apply for both i2s and slimbus
*/
u16 shift; /*
* shift bit for RX and TX
* apply for both i2s and slimbus
*/
struct list_head list; /*
* channel link list
* apply for both i2s and slimbus
*/
};
struct wcd9xxx_codec_dai_data {
u32 rate; /* sample rate */
u32 bit_width; /* sit width 16,24,32 */
struct list_head wcd9xxx_ch_list; /* channel list */
u16 grph; /* slimbus group handle */
unsigned long ch_mask;
wait_queue_head_t dai_wait;
bool bus_down_in_recovery;
};
#define WCD9XXX_CH(xport, xshift) \
{.port = xport, .shift = xshift}
enum wcd9xxx_chipid_major {
TABLA_MAJOR = cpu_to_le16(0x100),
SITAR_MAJOR = cpu_to_le16(0x101),
TAIKO_MAJOR = cpu_to_le16(0x102),
TAPAN_MAJOR = cpu_to_le16(0x103),
TOMTOM_MAJOR = cpu_to_le16(0x105),
TASHA_MAJOR = cpu_to_le16(0x0),
TASHA2P0_MAJOR = cpu_to_le16(0x107),
TAVIL_MAJOR = cpu_to_le16(0x108),
};
enum codec_power_states {
WCD_REGION_POWER_COLLAPSE_REMOVE,
WCD_REGION_POWER_COLLAPSE_BEGIN,
WCD_REGION_POWER_DOWN,
};
enum wcd_power_regions {
WCD9XXX_DIG_CORE_REGION_1,
WCD9XXX_MAX_PWR_REGIONS,
};
struct wcd9xxx_codec_type {
u16 id_major;
u16 id_minor;
struct mfd_cell *dev;
int size;
int num_irqs;
int version; /* -1 to retrieve version from chip version register */
enum wcd9xxx_slim_slave_addr_type slim_slave_type;
u16 i2c_chip_status;
const struct intr_data *intr_tbl;
int intr_tbl_size;
u16 intr_reg[WCD9XXX_INTR_REG_MAX];
};
struct wcd9xxx_power_region {
enum codec_power_states power_state;
u16 pwr_collapse_reg_min;
u16 pwr_collapse_reg_max;
};
struct wcd9xxx {
struct device *dev;
struct slim_device *slim;
struct slim_device *slim_slave;
struct mutex io_lock;
struct mutex xfer_lock;
struct mutex reset_lock;
u8 version;
int reset_gpio;
struct device_node *wcd_rst_np;
int (*read_dev)(struct wcd9xxx *wcd9xxx, unsigned short reg,
int bytes, void *dest, bool interface_reg);
int (*write_dev)(struct wcd9xxx *wcd9xxx, unsigned short reg,
int bytes, void *src, bool interface_reg);
int (*multi_reg_write)(struct wcd9xxx *wcd9xxx, const void *data,
size_t count);
int (*dev_down)(struct wcd9xxx *wcd9xxx);
int (*post_reset)(struct wcd9xxx *wcd9xxx);
void *ssr_priv;
bool dev_up;
u32 num_of_supplies;
struct regulator_bulk_data *supplies;
struct wcd9xxx_core_resource core_res;
u16 id_minor;
u16 id_major;
/* Slimbus or I2S port */
u32 num_rx_port;
u32 num_tx_port;
struct wcd9xxx_ch *rx_chs;
struct wcd9xxx_ch *tx_chs;
u32 mclk_rate;
enum codec_variant type;
struct regmap *regmap;
struct wcd9xxx_codec_type *codec_type;
bool prev_pg_valid;
u8 prev_pg;
u8 avoid_cdc_rstlow;
struct wcd9xxx_power_region *wcd9xxx_pwr[WCD9XXX_MAX_PWR_REGIONS];
};
struct wcd9xxx_reg_val {
unsigned short reg; /* register address */
u8 *buf; /* buffer to be written to reg. addr */
int bytes; /* number of bytes to be written */
};
int wcd9xxx_interface_reg_read(struct wcd9xxx *wcd9xxx, unsigned short reg);
int wcd9xxx_interface_reg_write(struct wcd9xxx *wcd9xxx, unsigned short reg,
u8 val);
int wcd9xxx_get_logical_addresses(u8 *pgd_la, u8 *inf_la);
int wcd9xxx_slim_write_repeat(struct wcd9xxx *wcd9xxx, unsigned short reg,
int bytes, void *src);
int wcd9xxx_slim_reserve_bw(struct wcd9xxx *wcd9xxx,
u32 bw_ops, bool commit);
int wcd9xxx_set_power_state(struct wcd9xxx *wcd9xxx, enum codec_power_states,
enum wcd_power_regions);
int wcd9xxx_get_current_power_state(struct wcd9xxx *wcd9xxx,
enum wcd_power_regions);
int wcd9xxx_page_write(struct wcd9xxx *wcd9xxx, unsigned short *reg);
int wcd9xxx_slim_bulk_write(struct wcd9xxx *wcd9xxx,
struct wcd9xxx_reg_val *bulk_reg,
unsigned int size, bool interface);
extern int wcd9xxx_core_res_init(
struct wcd9xxx_core_resource *wcd9xxx_core_res,
int num_irqs, int num_irq_regs, struct regmap *wcd_regmap);
extern void wcd9xxx_core_res_deinit(
struct wcd9xxx_core_resource *wcd9xxx_core_res);
extern int wcd9xxx_core_res_suspend(
struct wcd9xxx_core_resource *wcd9xxx_core_res,
pm_message_t pmesg);
extern int wcd9xxx_core_res_resume(
struct wcd9xxx_core_resource *wcd9xxx_core_res);
extern int wcd9xxx_core_irq_init(
struct wcd9xxx_core_resource *wcd9xxx_core_res);
extern int wcd9xxx_assign_irq(struct wcd9xxx_core_resource *wcd9xxx_core_res,
unsigned int irq,
unsigned int irq_base);
extern enum wcd9xxx_intf_status wcd9xxx_get_intf_type(void);
extern void wcd9xxx_set_intf_type(enum wcd9xxx_intf_status);
extern enum wcd9xxx_pm_state wcd9xxx_pm_cmpxchg(
struct wcd9xxx_core_resource *wcd9xxx_core_res,
enum wcd9xxx_pm_state o,
enum wcd9xxx_pm_state n);
static inline int __init wcd9xxx_irq_of_init(struct device_node *node,
struct device_node *parent)
{
return 0;
}
int wcd9xxx_init(void);
void wcd9xxx_exit(void);
#endif