diff options
Diffstat (limited to 'original-kernel-headers/linux/mfd/wcd9xxx/core.h')
| -rw-r--r-- | original-kernel-headers/linux/mfd/wcd9xxx/core.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/original-kernel-headers/linux/mfd/wcd9xxx/core.h b/original-kernel-headers/linux/mfd/wcd9xxx/core.h new file mode 100644 index 0000000..508bf3b --- /dev/null +++ b/original-kernel-headers/linux/mfd/wcd9xxx/core.h @@ -0,0 +1,220 @@ +/* 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; + 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); +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 |