Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2011-2017, The Linux Foundation. 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/types.h> |
| 17 | #include <linux/platform_device.h> |
| 18 | #include <linux/of_irq.h> |
| 19 | #include <linux/interrupt.h> |
| 20 | #include <linux/pm_qos.h> |
| 21 | |
| 22 | #define WCD9XXX_MAX_IRQ_REGS 4 |
| 23 | #define WCD9XXX_MAX_NUM_IRQS (WCD9XXX_MAX_IRQ_REGS * 8) |
| 24 | #define WCD9XXX_SLIM_NUM_PORT_REG 3 |
| 25 | #define TABLA_VERSION_1_0 0 |
| 26 | #define TABLA_VERSION_1_1 1 |
| 27 | #define TABLA_VERSION_2_0 2 |
| 28 | #define TABLA_IS_1_X(ver) \ |
| 29 | (((ver == TABLA_VERSION_1_0) || (ver == TABLA_VERSION_1_1)) ? 1 : 0) |
| 30 | #define TABLA_IS_2_0(ver) ((ver == TABLA_VERSION_2_0) ? 1 : 0) |
| 31 | |
| 32 | #define WCD9XXX_SUPPLY_BUCK_NAME "cdc-vdd-buck" |
| 33 | |
| 34 | #define SITAR_VERSION_1P0 0 |
| 35 | #define SITAR_VERSION_1P1 1 |
| 36 | #define SITAR_IS_1P0(ver) \ |
| 37 | ((ver == SITAR_VERSION_1P0) ? 1 : 0) |
| 38 | #define SITAR_IS_1P1(ver) \ |
| 39 | ((ver == SITAR_VERSION_1P1) ? 1 : 0) |
| 40 | |
| 41 | #define TAIKO_VERSION_1_0 1 |
| 42 | #define TAIKO_IS_1_0(ver) \ |
| 43 | ((ver == TAIKO_VERSION_1_0) ? 1 : 0) |
| 44 | |
| 45 | #define TAPAN_VERSION_1_0 0 |
| 46 | #define TAPAN_IS_1_0(ver) \ |
| 47 | ((ver == TAPAN_VERSION_1_0) ? 1 : 0) |
| 48 | |
| 49 | #define TOMTOM_VERSION_1_0 1 |
| 50 | #define TOMTOM_IS_1_0(ver) \ |
| 51 | ((ver == TOMTOM_VERSION_1_0) ? 1 : 0) |
| 52 | |
| 53 | #define TASHA_VERSION_1_0 0 |
| 54 | #define TASHA_VERSION_1_1 1 |
| 55 | #define TASHA_VERSION_2_0 2 |
| 56 | |
| 57 | #define TASHA_IS_1_0(wcd) \ |
| 58 | ((wcd->type == WCD9335 || wcd->type == WCD9326) ? \ |
| 59 | ((wcd->version == TASHA_VERSION_1_0) ? 1 : 0) : 0) |
| 60 | |
| 61 | #define TASHA_IS_1_1(wcd) \ |
| 62 | ((wcd->type == WCD9335 || wcd->type == WCD9326) ? \ |
| 63 | ((wcd->version == TASHA_VERSION_1_1) ? 1 : 0) : 0) |
| 64 | |
| 65 | #define TASHA_IS_2_0(wcd) \ |
| 66 | ((wcd->type == WCD9335 || wcd->type == WCD9326) ? \ |
| 67 | ((wcd->version == TASHA_VERSION_2_0) ? 1 : 0) : 0) |
| 68 | |
| 69 | /* |
| 70 | * As fine version info cannot be retrieved before tavil probe. |
| 71 | * Define three coarse versions for possible future use before tavil probe. |
| 72 | */ |
| 73 | #define TAVIL_VERSION_1_0 0 |
| 74 | #define TAVIL_VERSION_1_1 1 |
| 75 | #define TAVIL_VERSION_WCD9340_1_0 2 |
| 76 | #define TAVIL_VERSION_WCD9341_1_0 3 |
| 77 | #define TAVIL_VERSION_WCD9340_1_1 4 |
| 78 | #define TAVIL_VERSION_WCD9341_1_1 5 |
| 79 | |
| 80 | #define TAVIL_IS_1_0(wcd) \ |
| 81 | ((wcd->type == WCD934X) ? \ |
| 82 | ((wcd->version == TAVIL_VERSION_1_0 || \ |
| 83 | wcd->version == TAVIL_VERSION_WCD9340_1_0 || \ |
| 84 | wcd->version == TAVIL_VERSION_WCD9341_1_0) ? 1 : 0) : 0) |
| 85 | #define TAVIL_IS_1_1(wcd) \ |
| 86 | ((wcd->type == WCD934X) ? \ |
| 87 | ((wcd->version == TAVIL_VERSION_1_1 || \ |
| 88 | wcd->version == TAVIL_VERSION_WCD9340_1_1 || \ |
| 89 | wcd->version == TAVIL_VERSION_WCD9341_1_1) ? 1 : 0) : 0) |
| 90 | #define TAVIL_IS_WCD9340_1_0(wcd) \ |
| 91 | ((wcd->type == WCD934X) ? \ |
| 92 | ((wcd->version == TAVIL_VERSION_WCD9340_1_0) ? 1 : 0) : 0) |
| 93 | #define TAVIL_IS_WCD9341_1_0(wcd) \ |
| 94 | ((wcd->type == WCD934X) ? \ |
| 95 | ((wcd->version == TAVIL_VERSION_WCD9341_1_0) ? 1 : 0) : 0) |
| 96 | #define TAVIL_IS_WCD9340_1_1(wcd) \ |
| 97 | ((wcd->type == WCD934X) ? \ |
| 98 | ((wcd->version == TAVIL_VERSION_WCD9340_1_1) ? 1 : 0) : 0) |
| 99 | #define TAVIL_IS_WCD9341_1_1(wcd) \ |
| 100 | ((wcd->type == WCD934X) ? \ |
| 101 | ((wcd->version == TAVIL_VERSION_WCD9341_1_1) ? 1 : 0) : 0) |
| 102 | |
| 103 | #define IS_CODEC_TYPE(wcd, wcdtype) \ |
| 104 | ((wcd->type == wcdtype) ? true : false) |
| 105 | #define IS_CODEC_VERSION(wcd, wcdversion) \ |
| 106 | ((wcd->version == wcdversion) ? true : false) |
| 107 | |
| 108 | enum { |
| 109 | CDC_V_1_0, |
| 110 | CDC_V_1_1, |
| 111 | CDC_V_2_0, |
| 112 | }; |
| 113 | |
| 114 | enum codec_variant { |
| 115 | WCD9XXX, |
| 116 | WCD9330, |
| 117 | WCD9335, |
| 118 | WCD9326, |
| 119 | WCD934X, |
| 120 | }; |
| 121 | |
| 122 | enum wcd9xxx_slim_slave_addr_type { |
| 123 | WCD9XXX_SLIM_SLAVE_ADDR_TYPE_0, |
| 124 | WCD9XXX_SLIM_SLAVE_ADDR_TYPE_1, |
| 125 | }; |
| 126 | |
| 127 | enum wcd9xxx_pm_state { |
| 128 | WCD9XXX_PM_SLEEPABLE, |
| 129 | WCD9XXX_PM_AWAKE, |
| 130 | WCD9XXX_PM_ASLEEP, |
| 131 | }; |
| 132 | |
| 133 | enum { |
| 134 | WCD9XXX_INTR_STATUS_BASE = 0, |
| 135 | WCD9XXX_INTR_CLEAR_BASE, |
| 136 | WCD9XXX_INTR_MASK_BASE, |
| 137 | WCD9XXX_INTR_LEVEL_BASE, |
| 138 | WCD9XXX_INTR_CLR_COMMIT, |
| 139 | WCD9XXX_INTR_REG_MAX, |
| 140 | }; |
| 141 | |
| 142 | enum wcd9xxx_intf_status { |
| 143 | WCD9XXX_INTERFACE_TYPE_PROBING, |
| 144 | WCD9XXX_INTERFACE_TYPE_SLIMBUS, |
| 145 | WCD9XXX_INTERFACE_TYPE_I2C, |
| 146 | }; |
| 147 | |
| 148 | enum { |
| 149 | /* INTR_REG 0 */ |
| 150 | WCD9XXX_IRQ_SLIMBUS = 0, |
| 151 | WCD9XXX_IRQ_MBHC_REMOVAL, |
| 152 | WCD9XXX_IRQ_MBHC_SHORT_TERM, |
| 153 | WCD9XXX_IRQ_MBHC_PRESS, |
| 154 | WCD9XXX_IRQ_MBHC_RELEASE, |
| 155 | WCD9XXX_IRQ_MBHC_POTENTIAL, |
| 156 | WCD9XXX_IRQ_MBHC_INSERTION, |
| 157 | WCD9XXX_IRQ_BG_PRECHARGE, |
| 158 | /* INTR_REG 1 */ |
| 159 | WCD9XXX_IRQ_PA1_STARTUP, |
| 160 | WCD9XXX_IRQ_PA2_STARTUP, |
| 161 | WCD9XXX_IRQ_PA3_STARTUP, |
| 162 | WCD9XXX_IRQ_PA4_STARTUP, |
| 163 | WCD9306_IRQ_HPH_PA_OCPR_FAULT = WCD9XXX_IRQ_PA4_STARTUP, |
| 164 | WCD9XXX_IRQ_PA5_STARTUP, |
| 165 | WCD9XXX_IRQ_MICBIAS1_PRECHARGE, |
| 166 | WCD9306_IRQ_HPH_PA_OCPL_FAULT = WCD9XXX_IRQ_MICBIAS1_PRECHARGE, |
| 167 | WCD9XXX_IRQ_MICBIAS2_PRECHARGE, |
| 168 | WCD9XXX_IRQ_MICBIAS3_PRECHARGE, |
| 169 | /* INTR_REG 2 */ |
| 170 | WCD9XXX_IRQ_HPH_PA_OCPL_FAULT, |
| 171 | WCD9XXX_IRQ_HPH_PA_OCPR_FAULT, |
| 172 | WCD9XXX_IRQ_EAR_PA_OCPL_FAULT, |
| 173 | WCD9XXX_IRQ_HPH_L_PA_STARTUP, |
| 174 | WCD9XXX_IRQ_HPH_R_PA_STARTUP, |
| 175 | WCD9320_IRQ_EAR_PA_STARTUP, |
| 176 | WCD9306_IRQ_MBHC_JACK_SWITCH = WCD9320_IRQ_EAR_PA_STARTUP, |
| 177 | WCD9310_NUM_IRQS, |
| 178 | WCD9XXX_IRQ_RESERVED_0 = WCD9310_NUM_IRQS, |
| 179 | WCD9XXX_IRQ_RESERVED_1, |
| 180 | WCD9330_IRQ_SVASS_ERR_EXCEPTION = WCD9310_NUM_IRQS, |
| 181 | WCD9330_IRQ_MBHC_JACK_SWITCH, |
| 182 | /* INTR_REG 3 */ |
| 183 | WCD9XXX_IRQ_MAD_AUDIO, |
| 184 | WCD9XXX_IRQ_MAD_ULTRASOUND, |
| 185 | WCD9XXX_IRQ_MAD_BEACON, |
| 186 | WCD9XXX_IRQ_SPEAKER_CLIPPING, |
| 187 | WCD9320_IRQ_MBHC_JACK_SWITCH, |
| 188 | WCD9306_NUM_IRQS, |
| 189 | WCD9XXX_IRQ_VBAT_MONITOR_ATTACK = WCD9306_NUM_IRQS, |
| 190 | WCD9XXX_IRQ_VBAT_MONITOR_RELEASE, |
| 191 | WCD9XXX_NUM_IRQS, |
| 192 | /* WCD9330 INTR1_REG 3*/ |
| 193 | WCD9330_IRQ_SVASS_ENGINE = WCD9XXX_IRQ_MAD_AUDIO, |
| 194 | WCD9330_IRQ_MAD_AUDIO, |
| 195 | WCD9330_IRQ_MAD_ULTRASOUND, |
| 196 | WCD9330_IRQ_MAD_BEACON, |
| 197 | WCD9330_IRQ_SPEAKER1_CLIPPING, |
| 198 | WCD9330_IRQ_SPEAKER2_CLIPPING, |
| 199 | WCD9330_IRQ_VBAT_MONITOR_ATTACK, |
| 200 | WCD9330_IRQ_VBAT_MONITOR_RELEASE, |
| 201 | WCD9330_NUM_IRQS, |
| 202 | WCD9XXX_IRQ_RESERVED_2 = WCD9330_NUM_IRQS, |
| 203 | }; |
| 204 | |
| 205 | enum { |
| 206 | TABLA_NUM_IRQS = WCD9310_NUM_IRQS, |
| 207 | SITAR_NUM_IRQS = WCD9310_NUM_IRQS, |
| 208 | TAIKO_NUM_IRQS = WCD9XXX_NUM_IRQS, |
| 209 | TAPAN_NUM_IRQS = WCD9306_NUM_IRQS, |
| 210 | TOMTOM_NUM_IRQS = WCD9330_NUM_IRQS, |
| 211 | }; |
| 212 | |
| 213 | struct intr_data { |
| 214 | int intr_num; |
| 215 | bool clear_first; |
| 216 | }; |
| 217 | |
| 218 | struct wcd9xxx_core_resource { |
| 219 | struct mutex irq_lock; |
| 220 | struct mutex nested_irq_lock; |
| 221 | |
| 222 | enum wcd9xxx_pm_state pm_state; |
| 223 | struct mutex pm_lock; |
| 224 | /* pm_wq notifies change of pm_state */ |
| 225 | wait_queue_head_t pm_wq; |
| 226 | struct pm_qos_request pm_qos_req; |
| 227 | int wlock_holders; |
| 228 | |
| 229 | |
| 230 | /* holds the table of interrupts per codec */ |
| 231 | const struct intr_data *intr_table; |
| 232 | int intr_table_size; |
| 233 | unsigned int irq_base; |
| 234 | unsigned int irq; |
| 235 | u8 irq_masks_cur[WCD9XXX_MAX_IRQ_REGS]; |
| 236 | u8 irq_masks_cache[WCD9XXX_MAX_IRQ_REGS]; |
| 237 | bool irq_level_high[WCD9XXX_MAX_NUM_IRQS]; |
| 238 | int num_irqs; |
| 239 | int num_irq_regs; |
| 240 | u16 intr_reg[WCD9XXX_INTR_REG_MAX]; |
| 241 | struct regmap *wcd_core_regmap; |
| 242 | |
| 243 | /* Pointer to parent container data structure */ |
| 244 | void *parent; |
| 245 | |
| 246 | struct device *dev; |
| 247 | struct irq_domain *domain; |
| 248 | }; |
| 249 | |
| 250 | /* |
| 251 | * data structure for Slimbus and I2S channel. |
| 252 | * Some of fields are only used in smilbus mode |
| 253 | */ |
| 254 | struct wcd9xxx_ch { |
| 255 | u32 sph; /* share channel handle - slimbus only */ |
| 256 | u32 ch_num; /* |
| 257 | * vitrual channel number, such as 128 -144. |
| 258 | * apply for slimbus only |
| 259 | */ |
| 260 | u16 ch_h; /* chanel handle - slimbus only */ |
| 261 | u16 port; /* |
| 262 | * tabla port for RX and TX |
| 263 | * such as 0-9 for TX and 10 -16 for RX |
| 264 | * apply for both i2s and slimbus |
| 265 | */ |
| 266 | u16 shift; /* |
| 267 | * shift bit for RX and TX |
| 268 | * apply for both i2s and slimbus |
| 269 | */ |
| 270 | struct list_head list; /* |
| 271 | * channel link list |
| 272 | * apply for both i2s and slimbus |
| 273 | */ |
| 274 | }; |
| 275 | |
| 276 | struct wcd9xxx_codec_dai_data { |
| 277 | u32 rate; /* sample rate */ |
| 278 | u32 bit_width; /* sit width 16,24,32 */ |
| 279 | struct list_head wcd9xxx_ch_list; /* channel list */ |
| 280 | u16 grph; /* slimbus group handle */ |
| 281 | unsigned long ch_mask; |
| 282 | wait_queue_head_t dai_wait; |
| 283 | bool bus_down_in_recovery; |
| 284 | }; |
| 285 | |
| 286 | #define WCD9XXX_CH(xport, xshift) \ |
| 287 | {.port = xport, .shift = xshift} |
| 288 | |
| 289 | enum wcd9xxx_chipid_major { |
| 290 | TABLA_MAJOR = cpu_to_le16(0x100), |
| 291 | SITAR_MAJOR = cpu_to_le16(0x101), |
| 292 | TAIKO_MAJOR = cpu_to_le16(0x102), |
| 293 | TAPAN_MAJOR = cpu_to_le16(0x103), |
| 294 | TOMTOM_MAJOR = cpu_to_le16(0x105), |
| 295 | TASHA_MAJOR = cpu_to_le16(0x0), |
| 296 | TASHA2P0_MAJOR = cpu_to_le16(0x107), |
| 297 | TAVIL_MAJOR = cpu_to_le16(0x108), |
| 298 | }; |
| 299 | |
| 300 | enum codec_power_states { |
| 301 | WCD_REGION_POWER_COLLAPSE_REMOVE, |
| 302 | WCD_REGION_POWER_COLLAPSE_BEGIN, |
| 303 | WCD_REGION_POWER_DOWN, |
| 304 | }; |
| 305 | |
| 306 | enum wcd_power_regions { |
| 307 | WCD9XXX_DIG_CORE_REGION_1, |
| 308 | WCD9XXX_MAX_PWR_REGIONS, |
| 309 | }; |
| 310 | |
| 311 | struct wcd9xxx_codec_type { |
| 312 | u16 id_major; |
| 313 | u16 id_minor; |
| 314 | struct mfd_cell *dev; |
| 315 | int size; |
| 316 | int num_irqs; |
| 317 | int version; /* -1 to retrieve version from chip version register */ |
| 318 | enum wcd9xxx_slim_slave_addr_type slim_slave_type; |
| 319 | u16 i2c_chip_status; |
| 320 | const struct intr_data *intr_tbl; |
| 321 | int intr_tbl_size; |
| 322 | u16 intr_reg[WCD9XXX_INTR_REG_MAX]; |
| 323 | }; |
| 324 | |
| 325 | struct wcd9xxx_power_region { |
| 326 | enum codec_power_states power_state; |
| 327 | u16 pwr_collapse_reg_min; |
| 328 | u16 pwr_collapse_reg_max; |
| 329 | }; |
| 330 | |
| 331 | struct wcd9xxx { |
| 332 | struct device *dev; |
| 333 | struct slim_device *slim; |
| 334 | struct slim_device *slim_slave; |
| 335 | struct mutex io_lock; |
| 336 | struct mutex xfer_lock; |
| 337 | struct mutex reset_lock; |
| 338 | u8 version; |
| 339 | |
| 340 | int reset_gpio; |
| 341 | struct device_node *wcd_rst_np; |
| 342 | |
| 343 | int (*read_dev)(struct wcd9xxx *wcd9xxx, unsigned short reg, |
| 344 | int bytes, void *dest, bool interface_reg); |
| 345 | int (*write_dev)(struct wcd9xxx *wcd9xxx, unsigned short reg, |
| 346 | int bytes, void *src, bool interface_reg); |
| 347 | int (*multi_reg_write)(struct wcd9xxx *wcd9xxx, const void *data, |
| 348 | size_t count); |
| 349 | int (*dev_down)(struct wcd9xxx *wcd9xxx); |
| 350 | int (*post_reset)(struct wcd9xxx *wcd9xxx); |
| 351 | |
| 352 | void *ssr_priv; |
Banajit Goswami | f6bc713 | 2017-10-20 22:29:42 -0700 | [diff] [blame] | 353 | bool dev_up; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 354 | |
| 355 | u32 num_of_supplies; |
| 356 | struct regulator_bulk_data *supplies; |
| 357 | |
| 358 | struct wcd9xxx_core_resource core_res; |
| 359 | |
| 360 | u16 id_minor; |
| 361 | u16 id_major; |
| 362 | |
| 363 | /* Slimbus or I2S port */ |
| 364 | u32 num_rx_port; |
| 365 | u32 num_tx_port; |
| 366 | struct wcd9xxx_ch *rx_chs; |
| 367 | struct wcd9xxx_ch *tx_chs; |
| 368 | u32 mclk_rate; |
| 369 | enum codec_variant type; |
| 370 | struct regmap *regmap; |
| 371 | |
| 372 | struct wcd9xxx_codec_type *codec_type; |
| 373 | bool prev_pg_valid; |
| 374 | u8 prev_pg; |
| 375 | u8 avoid_cdc_rstlow; |
| 376 | struct wcd9xxx_power_region *wcd9xxx_pwr[WCD9XXX_MAX_PWR_REGIONS]; |
| 377 | }; |
| 378 | |
| 379 | struct wcd9xxx_reg_val { |
| 380 | unsigned short reg; /* register address */ |
| 381 | u8 *buf; /* buffer to be written to reg. addr */ |
| 382 | int bytes; /* number of bytes to be written */ |
| 383 | }; |
| 384 | |
| 385 | int wcd9xxx_interface_reg_read(struct wcd9xxx *wcd9xxx, unsigned short reg); |
| 386 | int wcd9xxx_interface_reg_write(struct wcd9xxx *wcd9xxx, unsigned short reg, |
| 387 | u8 val); |
| 388 | int wcd9xxx_get_logical_addresses(u8 *pgd_la, u8 *inf_la); |
| 389 | int wcd9xxx_slim_write_repeat(struct wcd9xxx *wcd9xxx, unsigned short reg, |
| 390 | int bytes, void *src); |
| 391 | int wcd9xxx_slim_reserve_bw(struct wcd9xxx *wcd9xxx, |
| 392 | u32 bw_ops, bool commit); |
| 393 | int wcd9xxx_set_power_state(struct wcd9xxx *wcd9xxx, enum codec_power_states, |
| 394 | enum wcd_power_regions); |
| 395 | int wcd9xxx_get_current_power_state(struct wcd9xxx *wcd9xxx, |
| 396 | enum wcd_power_regions); |
| 397 | |
| 398 | int wcd9xxx_page_write(struct wcd9xxx *wcd9xxx, unsigned short *reg); |
| 399 | |
| 400 | int wcd9xxx_slim_bulk_write(struct wcd9xxx *wcd9xxx, |
| 401 | struct wcd9xxx_reg_val *bulk_reg, |
| 402 | unsigned int size, bool interface); |
| 403 | |
| 404 | extern int wcd9xxx_core_res_init( |
| 405 | struct wcd9xxx_core_resource *wcd9xxx_core_res, |
| 406 | int num_irqs, int num_irq_regs, struct regmap *wcd_regmap); |
| 407 | |
| 408 | extern void wcd9xxx_core_res_deinit( |
| 409 | struct wcd9xxx_core_resource *wcd9xxx_core_res); |
| 410 | |
| 411 | extern int wcd9xxx_core_res_suspend( |
| 412 | struct wcd9xxx_core_resource *wcd9xxx_core_res, |
| 413 | pm_message_t pmesg); |
| 414 | |
| 415 | extern int wcd9xxx_core_res_resume( |
| 416 | struct wcd9xxx_core_resource *wcd9xxx_core_res); |
| 417 | |
| 418 | extern int wcd9xxx_core_irq_init( |
| 419 | struct wcd9xxx_core_resource *wcd9xxx_core_res); |
| 420 | |
| 421 | extern int wcd9xxx_assign_irq(struct wcd9xxx_core_resource *wcd9xxx_core_res, |
| 422 | unsigned int irq, |
| 423 | unsigned int irq_base); |
| 424 | |
| 425 | extern enum wcd9xxx_intf_status wcd9xxx_get_intf_type(void); |
| 426 | extern void wcd9xxx_set_intf_type(enum wcd9xxx_intf_status); |
| 427 | |
| 428 | extern enum wcd9xxx_pm_state wcd9xxx_pm_cmpxchg( |
| 429 | struct wcd9xxx_core_resource *wcd9xxx_core_res, |
| 430 | enum wcd9xxx_pm_state o, |
| 431 | enum wcd9xxx_pm_state n); |
| 432 | static inline int __init wcd9xxx_irq_of_init(struct device_node *node, |
| 433 | struct device_node *parent) |
| 434 | { |
| 435 | return 0; |
| 436 | } |
| 437 | |
| 438 | int wcd9xxx_init(void); |
| 439 | void wcd9xxx_exit(void); |
| 440 | #endif |