Asish Bhattacharya | b1aeae2 | 2012-02-15 08:29:28 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #ifndef __MFD_TABLA_CORE_H__ |
| 14 | #define __MFD_TABLA_CORE_H__ |
| 15 | |
| 16 | #include <linux/interrupt.h> |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 17 | #include <linux/pm_qos.h> |
Asish Bhattacharya | b1aeae2 | 2012-02-15 08:29:28 +0530 | [diff] [blame] | 18 | |
| 19 | #define WCD9XXX_NUM_IRQ_REGS 3 |
| 20 | |
| 21 | #define WCD9XXX_SLIM_NUM_PORT_REG 3 |
| 22 | |
| 23 | #define WCD9XXX_INTERFACE_TYPE_SLIMBUS 0x00 |
| 24 | #define WCD9XXX_INTERFACE_TYPE_I2C 0x01 |
| 25 | |
| 26 | #define TABLA_VERSION_1_0 0 |
| 27 | #define TABLA_VERSION_1_1 1 |
| 28 | #define TABLA_VERSION_2_0 2 |
| 29 | #define TABLA_IS_1_X(ver) \ |
| 30 | (((ver == TABLA_VERSION_1_0) || (ver == TABLA_VERSION_1_1)) ? 1 : 0) |
| 31 | #define TABLA_IS_2_0(ver) ((ver == TABLA_VERSION_2_0) ? 1 : 0) |
| 32 | |
Bhalchandra Gajare | 83c81f6 | 2012-05-18 16:09:05 -0700 | [diff] [blame] | 33 | #define SITAR_VERSION_1P0 0 |
| 34 | #define SITAR_VERSION_1P1 1 |
| 35 | #define SITAR_IS_1P0(ver) \ |
| 36 | ((ver == SITAR_VERSION_1P0) ? 1 : 0) |
| 37 | #define SITAR_IS_1P1(ver) \ |
| 38 | ((ver == SITAR_VERSION_1P1) ? 1 : 0) |
| 39 | |
Asish Bhattacharya | b1aeae2 | 2012-02-15 08:29:28 +0530 | [diff] [blame] | 40 | enum { |
| 41 | TABLA_IRQ_SLIMBUS = 0, |
| 42 | TABLA_IRQ_MBHC_REMOVAL, |
| 43 | TABLA_IRQ_MBHC_SHORT_TERM, |
| 44 | TABLA_IRQ_MBHC_PRESS, |
| 45 | TABLA_IRQ_MBHC_RELEASE, |
| 46 | TABLA_IRQ_MBHC_POTENTIAL, |
| 47 | TABLA_IRQ_MBHC_INSERTION, |
| 48 | TABLA_IRQ_BG_PRECHARGE, |
| 49 | TABLA_IRQ_PA1_STARTUP, |
| 50 | TABLA_IRQ_PA2_STARTUP, |
| 51 | TABLA_IRQ_PA3_STARTUP, |
| 52 | TABLA_IRQ_PA4_STARTUP, |
| 53 | TABLA_IRQ_PA5_STARTUP, |
| 54 | TABLA_IRQ_MICBIAS1_PRECHARGE, |
| 55 | TABLA_IRQ_MICBIAS2_PRECHARGE, |
| 56 | TABLA_IRQ_MICBIAS3_PRECHARGE, |
| 57 | TABLA_IRQ_HPH_PA_OCPL_FAULT, |
| 58 | TABLA_IRQ_HPH_PA_OCPR_FAULT, |
| 59 | TABLA_IRQ_EAR_PA_OCPL_FAULT, |
| 60 | TABLA_IRQ_HPH_L_PA_STARTUP, |
| 61 | TABLA_IRQ_HPH_R_PA_STARTUP, |
| 62 | TABLA_IRQ_EAR_PA_STARTUP, |
| 63 | TABLA_NUM_IRQS, |
| 64 | }; |
| 65 | |
| 66 | enum { |
| 67 | SITAR_IRQ_SLIMBUS = 0, |
| 68 | SITAR_IRQ_MBHC_REMOVAL, |
| 69 | SITAR_IRQ_MBHC_SHORT_TERM, |
| 70 | SITAR_IRQ_MBHC_PRESS, |
| 71 | SITAR_IRQ_MBHC_RELEASE, |
| 72 | SITAR_IRQ_MBHC_POTENTIAL, |
| 73 | SITAR_IRQ_MBHC_INSERTION, |
| 74 | SITAR_IRQ_BG_PRECHARGE, |
| 75 | SITAR_IRQ_PA1_STARTUP, |
| 76 | SITAR_IRQ_PA2_STARTUP, |
| 77 | SITAR_IRQ_PA3_STARTUP, |
| 78 | SITAR_IRQ_PA4_STARTUP, |
| 79 | SITAR_IRQ_PA5_STARTUP, |
| 80 | SITAR_IRQ_MICBIAS1_PRECHARGE, |
| 81 | SITAR_IRQ_MICBIAS2_PRECHARGE, |
| 82 | SITAR_IRQ_MICBIAS3_PRECHARGE, |
| 83 | SITAR_IRQ_HPH_PA_OCPL_FAULT, |
| 84 | SITAR_IRQ_HPH_PA_OCPR_FAULT, |
| 85 | SITAR_IRQ_EAR_PA_OCPL_FAULT, |
| 86 | SITAR_IRQ_HPH_L_PA_STARTUP, |
| 87 | SITAR_IRQ_HPH_R_PA_STARTUP, |
| 88 | SITAR_IRQ_EAR_PA_STARTUP, |
| 89 | SITAR_NUM_IRQS, |
| 90 | }; |
| 91 | |
| 92 | |
Kiran Kandi | c3b2440 | 2012-06-11 00:05:59 -0700 | [diff] [blame] | 93 | enum { |
| 94 | TAIKO_IRQ_SLIMBUS = 0, |
| 95 | TAIKO_IRQ_MBHC_REMOVAL, |
| 96 | TAIKO_IRQ_MBHC_SHORT_TERM, |
| 97 | TAIKO_IRQ_MBHC_PRESS, |
| 98 | TAIKO_IRQ_MBHC_RELEASE, |
| 99 | TAIKO_IRQ_MBHC_POTENTIAL, |
| 100 | TAIKO_IRQ_MBHC_INSERTION, |
| 101 | TAIKO_IRQ_BG_PRECHARGE, |
| 102 | TAIKO_IRQ_PA1_STARTUP, |
| 103 | TAIKO_IRQ_PA2_STARTUP, |
| 104 | TAIKO_IRQ_PA3_STARTUP, |
| 105 | TAIKO_IRQ_PA4_STARTUP, |
| 106 | TAIKO_IRQ_PA5_STARTUP, |
| 107 | TAIKO_IRQ_MICBIAS1_PRECHARGE, |
| 108 | TAIKO_IRQ_MICBIAS2_PRECHARGE, |
| 109 | TAIKO_IRQ_MICBIAS3_PRECHARGE, |
| 110 | TAIKO_IRQ_HPH_PA_OCPL_FAULT, |
| 111 | TAIKO_IRQ_HPH_PA_OCPR_FAULT, |
| 112 | TAIKO_IRQ_EAR_PA_OCPL_FAULT, |
| 113 | TAIKO_IRQ_HPH_L_PA_STARTUP, |
| 114 | TAIKO_IRQ_HPH_R_PA_STARTUP, |
| 115 | TAIKO_IRQ_EAR_PA_STARTUP, |
| 116 | TAIKO_NUM_IRQS, |
| 117 | }; |
| 118 | |
Asish Bhattacharya | b1aeae2 | 2012-02-15 08:29:28 +0530 | [diff] [blame] | 119 | enum wcd9xxx_pm_state { |
| 120 | WCD9XXX_PM_SLEEPABLE, |
| 121 | WCD9XXX_PM_AWAKE, |
| 122 | WCD9XXX_PM_ASLEEP, |
| 123 | }; |
| 124 | |
| 125 | struct wcd9xxx { |
| 126 | struct device *dev; |
| 127 | struct slim_device *slim; |
| 128 | struct slim_device *slim_slave; |
| 129 | struct mutex io_lock; |
| 130 | struct mutex xfer_lock; |
| 131 | struct mutex irq_lock; |
| 132 | u8 version; |
| 133 | |
| 134 | unsigned int irq_base; |
| 135 | unsigned int irq; |
| 136 | u8 irq_masks_cur[WCD9XXX_NUM_IRQ_REGS]; |
| 137 | u8 irq_masks_cache[WCD9XXX_NUM_IRQ_REGS]; |
| 138 | u8 irq_level[WCD9XXX_NUM_IRQ_REGS]; |
| 139 | |
| 140 | int reset_gpio; |
| 141 | |
| 142 | int (*read_dev)(struct wcd9xxx *wcd9xxx, unsigned short reg, |
| 143 | int bytes, void *dest, bool interface_reg); |
| 144 | int (*write_dev)(struct wcd9xxx *wcd9xxx, unsigned short reg, |
| 145 | int bytes, void *src, bool interface_reg); |
| 146 | |
Kiran Kandi | 725f849 | 2012-08-06 13:45:16 -0700 | [diff] [blame] | 147 | u32 num_of_supplies; |
Asish Bhattacharya | b1aeae2 | 2012-02-15 08:29:28 +0530 | [diff] [blame] | 148 | struct regulator_bulk_data *supplies; |
| 149 | |
| 150 | enum wcd9xxx_pm_state pm_state; |
| 151 | struct mutex pm_lock; |
| 152 | /* pm_wq notifies change of pm_state */ |
| 153 | wait_queue_head_t pm_wq; |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 154 | struct pm_qos_request pm_qos_req; |
Asish Bhattacharya | b1aeae2 | 2012-02-15 08:29:28 +0530 | [diff] [blame] | 155 | int wlock_holders; |
Joonwoo Park | d7cf2e9 | 2012-03-19 19:38:23 -0700 | [diff] [blame] | 156 | |
Asish Bhattacharya | b1aeae2 | 2012-02-15 08:29:28 +0530 | [diff] [blame] | 157 | int num_rx_port; |
| 158 | int num_tx_port; |
Asish Bhattacharya | 6dd4cb5 | 2012-07-05 19:47:42 +0530 | [diff] [blame] | 159 | |
Venkat Sudhir | ee6c500 | 2012-09-06 11:27:32 -0700 | [diff] [blame^] | 160 | u8 idbyte[4]; |
Asish Bhattacharya | b1aeae2 | 2012-02-15 08:29:28 +0530 | [diff] [blame] | 161 | }; |
| 162 | |
| 163 | int wcd9xxx_reg_read(struct wcd9xxx *wcd9xxx, unsigned short reg); |
| 164 | int wcd9xxx_reg_write(struct wcd9xxx *wcd9xxx, unsigned short reg, |
| 165 | u8 val); |
| 166 | int wcd9xxx_interface_reg_read(struct wcd9xxx *wcd9xxx, unsigned short reg); |
| 167 | int wcd9xxx_interface_reg_write(struct wcd9xxx *wcd9xxx, unsigned short reg, |
| 168 | u8 val); |
| 169 | int wcd9xxx_bulk_read(struct wcd9xxx *wcd9xxx, unsigned short reg, |
| 170 | int count, u8 *buf); |
| 171 | int wcd9xxx_bulk_write(struct wcd9xxx *wcd9xxx, unsigned short reg, |
| 172 | int count, u8 *buf); |
| 173 | int wcd9xxx_irq_init(struct wcd9xxx *wcd9xxx); |
| 174 | void wcd9xxx_irq_exit(struct wcd9xxx *wcd9xxx); |
| 175 | int wcd9xxx_get_logical_addresses(u8 *pgd_la, u8 *inf_la); |
| 176 | int wcd9xxx_get_intf_type(void); |
| 177 | |
Joonwoo Park | d7cf2e9 | 2012-03-19 19:38:23 -0700 | [diff] [blame] | 178 | bool wcd9xxx_lock_sleep(struct wcd9xxx *wcd9xxx); |
Asish Bhattacharya | b1aeae2 | 2012-02-15 08:29:28 +0530 | [diff] [blame] | 179 | void wcd9xxx_unlock_sleep(struct wcd9xxx *wcd9xxx); |
| 180 | enum wcd9xxx_pm_state wcd9xxx_pm_cmpxchg(struct wcd9xxx *wcd9xxx, |
| 181 | enum wcd9xxx_pm_state o, |
| 182 | enum wcd9xxx_pm_state n); |
| 183 | |
| 184 | static inline int wcd9xxx_request_irq(struct wcd9xxx *wcd9xxx, int irq, |
| 185 | irq_handler_t handler, const char *name, |
| 186 | void *data) |
| 187 | { |
| 188 | if (!wcd9xxx->irq_base) |
| 189 | return -EINVAL; |
| 190 | return request_threaded_irq(wcd9xxx->irq_base + irq, NULL, handler, |
| 191 | IRQF_TRIGGER_RISING, name, |
| 192 | data); |
| 193 | } |
| 194 | static inline void wcd9xxx_free_irq(struct wcd9xxx *wcd9xxx, |
| 195 | int irq, void *data) |
| 196 | { |
| 197 | if (!wcd9xxx->irq_base) |
| 198 | return; |
| 199 | free_irq(wcd9xxx->irq_base + irq, data); |
| 200 | } |
| 201 | static inline void wcd9xxx_enable_irq(struct wcd9xxx *wcd9xxx, int irq) |
| 202 | { |
| 203 | if (!wcd9xxx->irq_base) |
| 204 | return; |
| 205 | enable_irq(wcd9xxx->irq_base + irq); |
| 206 | } |
| 207 | static inline void wcd9xxx_disable_irq(struct wcd9xxx *wcd9xxx, int irq) |
| 208 | { |
| 209 | if (!wcd9xxx->irq_base) |
| 210 | return; |
| 211 | disable_irq_nosync(wcd9xxx->irq_base + irq); |
| 212 | } |
Joonwoo Park | 0332483 | 2012-03-19 19:36:16 -0700 | [diff] [blame] | 213 | static inline void wcd9xxx_disable_irq_sync(struct wcd9xxx *wcd9xxx, int irq) |
| 214 | { |
| 215 | if (!wcd9xxx->irq_base) |
| 216 | return; |
| 217 | disable_irq(wcd9xxx->irq_base + irq); |
| 218 | } |
Asish Bhattacharya | b1aeae2 | 2012-02-15 08:29:28 +0530 | [diff] [blame] | 219 | |
| 220 | #endif |