/include/linux/mfd/wcd9xxx/core.h
https://github.com/airy09/android_kernel_sony_apq8064 · C Header · 223 lines · 187 code · 24 blank · 12 comment · 11 complexity · e344d183d2cba66b5af0c5b3e21e25aa MD5 · raw file
- /* Copyright (c) 2011-2012, 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/interrupt.h>
- #include <linux/pm_qos.h>
- #define WCD9XXX_NUM_IRQ_REGS 3
- #define WCD9XXX_SLIM_NUM_PORT_REG 3
- #define WCD9XXX_INTERFACE_TYPE_SLIMBUS 0x00
- #define WCD9XXX_INTERFACE_TYPE_I2C 0x01
- #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 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)
- enum {
- TABLA_IRQ_SLIMBUS = 0,
- TABLA_IRQ_MBHC_REMOVAL,
- TABLA_IRQ_MBHC_SHORT_TERM,
- TABLA_IRQ_MBHC_PRESS,
- TABLA_IRQ_MBHC_RELEASE,
- TABLA_IRQ_MBHC_POTENTIAL,
- TABLA_IRQ_MBHC_INSERTION,
- TABLA_IRQ_BG_PRECHARGE,
- TABLA_IRQ_PA1_STARTUP,
- TABLA_IRQ_PA2_STARTUP,
- TABLA_IRQ_PA3_STARTUP,
- TABLA_IRQ_PA4_STARTUP,
- TABLA_IRQ_PA5_STARTUP,
- TABLA_IRQ_MICBIAS1_PRECHARGE,
- TABLA_IRQ_MICBIAS2_PRECHARGE,
- TABLA_IRQ_MICBIAS3_PRECHARGE,
- TABLA_IRQ_HPH_PA_OCPL_FAULT,
- TABLA_IRQ_HPH_PA_OCPR_FAULT,
- TABLA_IRQ_EAR_PA_OCPL_FAULT,
- TABLA_IRQ_HPH_L_PA_STARTUP,
- TABLA_IRQ_HPH_R_PA_STARTUP,
- TABLA_IRQ_EAR_PA_STARTUP,
- TABLA_NUM_IRQS,
- };
- enum {
- SITAR_IRQ_SLIMBUS = 0,
- SITAR_IRQ_MBHC_REMOVAL,
- SITAR_IRQ_MBHC_SHORT_TERM,
- SITAR_IRQ_MBHC_PRESS,
- SITAR_IRQ_MBHC_RELEASE,
- SITAR_IRQ_MBHC_POTENTIAL,
- SITAR_IRQ_MBHC_INSERTION,
- SITAR_IRQ_BG_PRECHARGE,
- SITAR_IRQ_PA1_STARTUP,
- SITAR_IRQ_PA2_STARTUP,
- SITAR_IRQ_PA3_STARTUP,
- SITAR_IRQ_PA4_STARTUP,
- SITAR_IRQ_PA5_STARTUP,
- SITAR_IRQ_MICBIAS1_PRECHARGE,
- SITAR_IRQ_MICBIAS2_PRECHARGE,
- SITAR_IRQ_MICBIAS3_PRECHARGE,
- SITAR_IRQ_HPH_PA_OCPL_FAULT,
- SITAR_IRQ_HPH_PA_OCPR_FAULT,
- SITAR_IRQ_EAR_PA_OCPL_FAULT,
- SITAR_IRQ_HPH_L_PA_STARTUP,
- SITAR_IRQ_HPH_R_PA_STARTUP,
- SITAR_IRQ_EAR_PA_STARTUP,
- SITAR_NUM_IRQS,
- };
- enum {
- TAIKO_IRQ_SLIMBUS = 0,
- TAIKO_IRQ_MBHC_REMOVAL,
- TAIKO_IRQ_MBHC_SHORT_TERM,
- TAIKO_IRQ_MBHC_PRESS,
- TAIKO_IRQ_MBHC_RELEASE,
- TAIKO_IRQ_MBHC_POTENTIAL,
- TAIKO_IRQ_MBHC_INSERTION,
- TAIKO_IRQ_BG_PRECHARGE,
- TAIKO_IRQ_PA1_STARTUP,
- TAIKO_IRQ_PA2_STARTUP,
- TAIKO_IRQ_PA3_STARTUP,
- TAIKO_IRQ_PA4_STARTUP,
- TAIKO_IRQ_PA5_STARTUP,
- TAIKO_IRQ_MICBIAS1_PRECHARGE,
- TAIKO_IRQ_MICBIAS2_PRECHARGE,
- TAIKO_IRQ_MICBIAS3_PRECHARGE,
- TAIKO_IRQ_HPH_PA_OCPL_FAULT,
- TAIKO_IRQ_HPH_PA_OCPR_FAULT,
- TAIKO_IRQ_EAR_PA_OCPL_FAULT,
- TAIKO_IRQ_HPH_L_PA_STARTUP,
- TAIKO_IRQ_HPH_R_PA_STARTUP,
- TAIKO_IRQ_EAR_PA_STARTUP,
- TAIKO_NUM_IRQS,
- };
- enum wcd9xxx_pm_state {
- WCD9XXX_PM_SLEEPABLE,
- WCD9XXX_PM_AWAKE,
- WCD9XXX_PM_ASLEEP,
- };
- struct wcd9xxx {
- struct device *dev;
- struct slim_device *slim;
- struct slim_device *slim_slave;
- struct mutex io_lock;
- struct mutex xfer_lock;
- struct mutex irq_lock;
- struct mutex nested_irq_lock;
- u8 version;
- unsigned int irq_base;
- unsigned int irq;
- u8 irq_masks_cur[WCD9XXX_NUM_IRQ_REGS];
- u8 irq_masks_cache[WCD9XXX_NUM_IRQ_REGS];
- u8 irq_level[WCD9XXX_NUM_IRQ_REGS];
- int reset_gpio;
- 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);
- u32 num_of_supplies;
- struct regulator_bulk_data *supplies;
- 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;
- int num_rx_port;
- int num_tx_port;
- u8 idbyte[4];
- };
- int wcd9xxx_reg_read(struct wcd9xxx *wcd9xxx, unsigned short reg);
- int wcd9xxx_reg_write(struct wcd9xxx *wcd9xxx, unsigned short reg,
- u8 val);
- 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_bulk_read(struct wcd9xxx *wcd9xxx, unsigned short reg,
- int count, u8 *buf);
- int wcd9xxx_bulk_write(struct wcd9xxx *wcd9xxx, unsigned short reg,
- int count, u8 *buf);
- int wcd9xxx_irq_init(struct wcd9xxx *wcd9xxx);
- void wcd9xxx_irq_exit(struct wcd9xxx *wcd9xxx);
- int wcd9xxx_get_logical_addresses(u8 *pgd_la, u8 *inf_la);
- int wcd9xxx_get_intf_type(void);
- bool wcd9xxx_lock_sleep(struct wcd9xxx *wcd9xxx);
- void wcd9xxx_unlock_sleep(struct wcd9xxx *wcd9xxx);
- void wcd9xxx_nested_irq_lock(struct wcd9xxx *wcd9xxx);
- void wcd9xxx_nested_irq_unlock(struct wcd9xxx *wcd9xxx);
- enum wcd9xxx_pm_state wcd9xxx_pm_cmpxchg(struct wcd9xxx *wcd9xxx,
- enum wcd9xxx_pm_state o,
- enum wcd9xxx_pm_state n);
- static inline int wcd9xxx_request_irq(struct wcd9xxx *wcd9xxx, int irq,
- irq_handler_t handler, const char *name,
- void *data)
- {
- if (!wcd9xxx->irq_base)
- return -EINVAL;
- return request_threaded_irq(wcd9xxx->irq_base + irq, NULL, handler,
- IRQF_TRIGGER_RISING, name,
- data);
- }
- static inline void wcd9xxx_free_irq(struct wcd9xxx *wcd9xxx,
- int irq, void *data)
- {
- if (!wcd9xxx->irq_base)
- return;
- free_irq(wcd9xxx->irq_base + irq, data);
- }
- static inline void wcd9xxx_enable_irq(struct wcd9xxx *wcd9xxx, int irq)
- {
- if (!wcd9xxx->irq_base)
- return;
- enable_irq(wcd9xxx->irq_base + irq);
- }
- static inline void wcd9xxx_disable_irq(struct wcd9xxx *wcd9xxx, int irq)
- {
- if (!wcd9xxx->irq_base)
- return;
- disable_irq_nosync(wcd9xxx->irq_base + irq);
- }
- static inline void wcd9xxx_disable_irq_sync(struct wcd9xxx *wcd9xxx, int irq)
- {
- if (!wcd9xxx->irq_base)
- return;
- disable_irq(wcd9xxx->irq_base + irq);
- }
- #endif