| /* Copyright (c) 2011-2013, 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/interrupt.h> |
| #include <linux/pm_qos.h> |
| #include <linux/platform_device.h> |
| #include <linux/of_irq.h> |
| |
| #define WCD9XXX_NUM_IRQ_REGS 4 |
| |
| #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 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 0 |
| #define TAIKO_IS_1_0(ver) \ |
| ((ver == TAIKO_VERSION_1_0) ? 1 : 0) |
| |
| |
| 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, |
| WCD9XXX_IRQ_PA5_STARTUP, |
| 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, |
| WCD9XXX_IRQ_EAR_PA_STARTUP, |
| WCD9XXX_IRQ_RESERVED_0, |
| WCD9XXX_IRQ_RESERVED_1, |
| /* INTR_REG 3 */ |
| WCD9XXX_IRQ_MAD_AUDIO, |
| WCD9XXX_IRQ_MAD_BEACON, |
| WCD9XXX_IRQ_MAD_ULTRASOUND, |
| WCD9XXX_IRQ_SPEAKER_CLIPPING, |
| WCD9XXX_IRQ_MBHC_JACK_SWITCH, |
| WCD9XXX_NUM_IRQS, |
| }; |
| |
| enum { |
| TABLA_NUM_IRQS = WCD9XXX_NUM_IRQS, |
| SITAR_NUM_IRQS = WCD9XXX_NUM_IRQS, |
| TAIKO_NUM_IRQS = WCD9XXX_NUM_IRQS, |
| TAPAN_NUM_IRQS = WCD9XXX_NUM_IRQS, |
| }; |
| |
| |
| #define MAX(X, Y) (((int)X) >= ((int)Y) ? (X) : (Y)) |
| #define WCD9XXX_MAX_NUM_IRQS (MAX(MAX(TABLA_NUM_IRQS, SITAR_NUM_IRQS), \ |
| TAIKO_NUM_IRQS)) |
| |
| enum wcd9xxx_pm_state { |
| WCD9XXX_PM_SLEEPABLE, |
| WCD9XXX_PM_AWAKE, |
| WCD9XXX_PM_ASLEEP, |
| }; |
| |
| /* |
| * 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; |
| }; |
| |
| enum wcd9xxx_intf_status { |
| WCD9XXX_INTERFACE_TYPE_PROBING, |
| WCD9XXX_INTERFACE_TYPE_SLIMBUS, |
| WCD9XXX_INTERFACE_TYPE_I2C, |
| }; |
| |
| #define WCD9XXX_CH(xport, xshift) \ |
| {.port = xport, .shift = xshift} |
| |
| 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; |
| |
| 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); |
| int (*post_reset)(struct wcd9xxx *wcd9xxx); |
| |
| void *ssr_priv; |
| bool slim_device_bootup; |
| |
| 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; |
| |
| u8 idbyte[4]; |
| |
| unsigned int irq_base; |
| unsigned int irq; |
| u8 irq_masks_cur[WCD9XXX_NUM_IRQ_REGS]; |
| u8 irq_masks_cache[WCD9XXX_NUM_IRQ_REGS]; |
| bool irq_level_high[WCD9XXX_MAX_NUM_IRQS]; |
| int num_irqs; |
| /* 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; |
| }; |
| |
| 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); |
| enum wcd9xxx_intf_status 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); |
| |
| int wcd9xxx_request_irq(struct wcd9xxx *wcd9xxx, int irq, |
| irq_handler_t handler, const char *name, void *data); |
| |
| void wcd9xxx_free_irq(struct wcd9xxx *wcd9xxx, int irq, void *data); |
| void wcd9xxx_enable_irq(struct wcd9xxx *wcd9xxx, int irq); |
| void wcd9xxx_disable_irq(struct wcd9xxx *wcd9xxx, int irq); |
| void wcd9xxx_disable_irq_sync(struct wcd9xxx *wcd9xxx, int irq); |
| #if defined(CONFIG_WCD9310_CODEC) || \ |
| defined(CONFIG_WCD9304_CODEC) || \ |
| defined(CONFIG_WCD9320_CODEC) || \ |
| defined(CONFIG_WCD9306_CODEC) |
| int __init wcd9xxx_irq_of_init(struct device_node *node, |
| struct device_node *parent); |
| #else |
| static inline int __init wcd9xxx_irq_of_init(struct device_node *node, |
| struct device_node *parent) |
| { |
| return 0; |
| } |
| #endif /* CONFIG_OF */ |
| #endif |