Laxminath Kasam | 9e78ef8 | 2019-07-01 12:31:45 +0530 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 2 | /* |
Laxminath Kasam | 0bb3a15 | 2020-02-03 12:47:48 +0530 | [diff] [blame] | 3 | * Copyright (c) 2015-2016, 2018-2020, The Linux Foundation. All rights reserved. |
Laxminath Kasam | 9e78ef8 | 2019-07-01 12:31:45 +0530 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | #include <linux/clk.h> |
Laxminath Kasam | 0bb3a15 | 2020-02-03 12:47:48 +0530 | [diff] [blame] | 7 | #include <linux/clk-provider.h> |
Laxminath Kasam | 9e78ef8 | 2019-07-01 12:31:45 +0530 | [diff] [blame] | 8 | #include <linux/module.h> |
| 9 | #include <linux/init.h> |
| 10 | #include <linux/slab.h> |
| 11 | #include <linux/of_gpio.h> |
| 12 | #include <linux/platform_device.h> |
| 13 | #include <linux/device.h> |
| 14 | #include <linux/printk.h> |
| 15 | #include <linux/bitops.h> |
| 16 | #include <linux/regulator/consumer.h> |
| 17 | #include <linux/pm_runtime.h> |
| 18 | #include <soc/soundwire.h> |
| 19 | #include <sound/pcm.h> |
| 20 | #include <sound/pcm_params.h> |
| 21 | #include <sound/soc.h> |
| 22 | #include <sound/soc-dapm.h> |
| 23 | #include <sound/tlv.h> |
| 24 | #include <dsp/q6afe-v2.h> |
| 25 | #include <linux/delay.h> |
| 26 | #include <linux/i2c.h> |
| 27 | #include <linux/kernel.h> |
| 28 | #include <linux/gpio.h> |
| 29 | #include <soc/internal.h> |
| 30 | #include <linux/regmap.h> |
| 31 | #include <asoc/msm-cdc-pinctrl.h> |
| 32 | #include "wsa881x-analog.h" |
| 33 | #include "wsa881x-temp-sensor.h" |
| 34 | |
| 35 | #define SPK_GAIN_12DB 4 |
| 36 | #define WIDGET_NAME_MAX_SIZE 80 |
| 37 | |
| 38 | /* |
| 39 | * Private data Structure for wsa881x. All parameters related to |
| 40 | * WSA881X codec needs to be defined here. |
| 41 | */ |
| 42 | struct wsa881x_pdata { |
| 43 | struct regmap *regmap[2]; |
| 44 | struct i2c_client *client[2]; |
| 45 | struct snd_soc_component *component; |
| 46 | |
| 47 | /* track wsa881x status during probe */ |
| 48 | int status; |
| 49 | bool boost_enable; |
| 50 | bool visense_enable; |
| 51 | int spk_pa_gain; |
| 52 | struct i2c_msg xfer_msg[2]; |
| 53 | struct mutex xfer_lock; |
| 54 | bool regmap_flag; |
| 55 | bool wsa_active; |
| 56 | int index; |
| 57 | struct wsa881x_tz_priv tz_pdata; |
| 58 | struct clk *wsa_mclk; |
| 59 | int bg_cnt; |
| 60 | int clk_cnt; |
| 61 | int enable_cnt; |
| 62 | int version; |
| 63 | struct mutex bg_lock; |
| 64 | struct mutex res_lock; |
| 65 | struct delayed_work ocp_ctl_work; |
| 66 | struct device_node *wsa_vi_gpio_p; |
| 67 | struct device_node *wsa_clk_gpio_p; |
| 68 | struct device_node *wsa_reset_gpio_p; |
| 69 | }; |
| 70 | |
| 71 | enum { |
| 72 | WSA881X_STATUS_PROBING, |
| 73 | WSA881X_STATUS_I2C, |
| 74 | }; |
| 75 | |
| 76 | #define WSA881X_OCP_CTL_TIMER_SEC 2 |
| 77 | #define WSA881X_OCP_CTL_TEMP_CELSIUS 25 |
| 78 | #define WSA881X_OCP_CTL_POLL_TIMER_SEC 60 |
| 79 | |
| 80 | static int wsa881x_ocp_poll_timer_sec = WSA881X_OCP_CTL_POLL_TIMER_SEC; |
| 81 | module_param(wsa881x_ocp_poll_timer_sec, int, 0664); |
| 82 | MODULE_PARM_DESC(wsa881x_ocp_poll_timer_sec, "timer for ocp ctl polling"); |
| 83 | |
| 84 | static int32_t wsa881x_resource_acquire(struct snd_soc_component *component, |
| 85 | bool enable); |
| 86 | |
| 87 | const char *wsa_tz_names[] = {"wsa881x.0e", "wsa881x.0f"}; |
| 88 | |
| 89 | struct wsa881x_pdata wsa_pdata[MAX_WSA881X_DEVICE]; |
| 90 | |
| 91 | static bool pinctrl_init; |
| 92 | |
| 93 | static int wsa881x_populate_dt_pdata(struct device *dev, int wsa881x_index); |
| 94 | static int wsa881x_reset(struct wsa881x_pdata *pdata, bool enable); |
| 95 | static int wsa881x_startup(struct wsa881x_pdata *pdata); |
| 96 | static int wsa881x_shutdown(struct wsa881x_pdata *pdata); |
| 97 | |
| 98 | static int delay_array_msec[] = {10, 20, 30, 40, 50}; |
| 99 | |
| 100 | static int wsa881x_i2c_addr = -1; |
| 101 | static int wsa881x_probing_count; |
| 102 | static int wsa881x_presence_count; |
| 103 | |
| 104 | static const char * const wsa881x_spk_pa_gain_text[] = { |
| 105 | "POS_13P5_DB", "POS_12_DB", "POS_10P5_DB", "POS_9_DB", "POS_7P5_DB", |
| 106 | "POS_6_DB", "POS_4P5_DB", "POS_3_DB", "POS_1P5_DB", "POS_0_DB"}; |
| 107 | |
| 108 | static const struct soc_enum wsa881x_spk_pa_gain_enum[] = { |
| 109 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(wsa881x_spk_pa_gain_text), |
| 110 | wsa881x_spk_pa_gain_text), |
| 111 | }; |
| 112 | |
| 113 | static int wsa881x_spk_pa_gain_get(struct snd_kcontrol *kcontrol, |
| 114 | struct snd_ctl_elem_value *ucontrol) |
| 115 | { |
| 116 | struct snd_soc_component *component = |
| 117 | snd_soc_kcontrol_component(kcontrol); |
| 118 | struct wsa881x_pdata *wsa881x = |
| 119 | snd_soc_component_get_drvdata(component); |
| 120 | |
| 121 | ucontrol->value.integer.value[0] = wsa881x->spk_pa_gain; |
| 122 | |
| 123 | dev_dbg(component->dev, "%s: spk_pa_gain = %ld\n", __func__, |
| 124 | ucontrol->value.integer.value[0]); |
| 125 | |
| 126 | return 0; |
| 127 | } |
| 128 | |
| 129 | static int wsa881x_spk_pa_gain_put(struct snd_kcontrol *kcontrol, |
| 130 | struct snd_ctl_elem_value *ucontrol) |
| 131 | { |
| 132 | struct snd_soc_component *component = |
| 133 | snd_soc_kcontrol_component(kcontrol); |
| 134 | struct wsa881x_pdata *wsa881x = |
| 135 | snd_soc_component_get_drvdata(component); |
| 136 | |
| 137 | if (ucontrol->value.integer.value[0] < 0 || |
| 138 | ucontrol->value.integer.value[0] > 0xC) { |
| 139 | dev_err(component->dev, "%s: Unsupported gain val %ld\n", |
| 140 | __func__, ucontrol->value.integer.value[0]); |
| 141 | return -EINVAL; |
| 142 | } |
| 143 | wsa881x->spk_pa_gain = ucontrol->value.integer.value[0]; |
| 144 | dev_dbg(component->dev, "%s: ucontrol->value.integer.value[0] = %ld\n", |
| 145 | __func__, ucontrol->value.integer.value[0]); |
| 146 | |
| 147 | return 0; |
| 148 | } |
| 149 | |
| 150 | static int get_i2c_wsa881x_device_index(u16 reg) |
| 151 | { |
| 152 | u16 mask = 0x0f00; |
| 153 | int value = 0; |
| 154 | |
| 155 | value = ((reg & mask) >> 8) & 0x000f; |
| 156 | |
| 157 | switch (value) { |
| 158 | case 0: |
| 159 | return 0; |
| 160 | case 1: |
| 161 | return 1; |
| 162 | default: |
| 163 | break; |
| 164 | } |
| 165 | return -EINVAL; |
| 166 | } |
| 167 | |
| 168 | static int wsa881x_i2c_write_device(struct wsa881x_pdata *wsa881x, |
| 169 | unsigned int reg, unsigned int val) |
| 170 | { |
| 171 | int i = 0, rc = 0; |
| 172 | int wsa881x_index; |
| 173 | struct i2c_msg *msg; |
| 174 | int ret = 0; |
| 175 | int bytes = 1; |
| 176 | u8 reg_addr = 0; |
| 177 | u8 data[2]; |
| 178 | |
| 179 | wsa881x_index = get_i2c_wsa881x_device_index(reg); |
| 180 | if (wsa881x_index < 0) { |
| 181 | pr_err_ratelimited("%s:invalid register to write\n", __func__); |
| 182 | return -EINVAL; |
| 183 | } |
| 184 | if (wsa881x->regmap_flag) { |
| 185 | rc = regmap_write(wsa881x->regmap[wsa881x_index], reg, val); |
| 186 | for (i = 0; rc && i < ARRAY_SIZE(delay_array_msec); i++) { |
| 187 | pr_err_ratelimited("Failed writing reg=%u-retry(%d)\n", |
| 188 | reg, i); |
| 189 | /* retry after delay of increasing order */ |
| 190 | msleep(delay_array_msec[i]); |
| 191 | rc = regmap_write(wsa881x->regmap[wsa881x_index], |
| 192 | reg, val); |
| 193 | } |
| 194 | if (rc) |
| 195 | pr_err_ratelimited("Failed writing reg=%u rc=%d\n", |
| 196 | reg, rc); |
| 197 | else |
| 198 | pr_debug("write success register = %x val = %x\n", |
| 199 | reg, val); |
| 200 | } else { |
| 201 | reg_addr = (u8)reg; |
| 202 | msg = &wsa881x->xfer_msg[0]; |
| 203 | msg->addr = wsa881x->client[wsa881x_index]->addr; |
| 204 | msg->len = bytes + 1; |
| 205 | msg->flags = 0; |
| 206 | data[0] = reg; |
| 207 | data[1] = (u8)val; |
| 208 | msg->buf = data; |
| 209 | ret = i2c_transfer(wsa881x->client[wsa881x_index]->adapter, |
| 210 | wsa881x->xfer_msg, 1); |
| 211 | /* Try again if the write fails */ |
| 212 | if (ret != 1) { |
| 213 | ret = i2c_transfer( |
| 214 | wsa881x->client[wsa881x_index]->adapter, |
| 215 | wsa881x->xfer_msg, 1); |
| 216 | if (ret != 1) { |
| 217 | pr_err_ratelimited("failed to write the device\n"); |
| 218 | return ret; |
| 219 | } |
| 220 | } |
| 221 | pr_debug("write success reg = %x val = %x\n", reg, data[1]); |
| 222 | } |
| 223 | return rc; |
| 224 | } |
| 225 | |
| 226 | static int wsa881x_i2c_read_device(struct wsa881x_pdata *wsa881x, |
| 227 | unsigned int reg) |
| 228 | { |
| 229 | int wsa881x_index; |
| 230 | int i = 0, rc = 0; |
| 231 | unsigned int val; |
| 232 | struct i2c_msg *msg; |
| 233 | int ret = 0; |
| 234 | u8 reg_addr = 0; |
| 235 | u8 dest[5] = {0}; |
| 236 | |
| 237 | wsa881x_index = get_i2c_wsa881x_device_index(reg); |
| 238 | if (wsa881x_index < 0) { |
| 239 | pr_err_ratelimited("%s:invalid register to read\n", __func__); |
| 240 | return -EINVAL; |
| 241 | } |
| 242 | if (wsa881x->regmap_flag) { |
| 243 | rc = regmap_read(wsa881x->regmap[wsa881x_index], reg, &val); |
| 244 | for (i = 0; rc && i < ARRAY_SIZE(delay_array_msec); i++) { |
| 245 | pr_err_ratelimited("Failed reading reg=%u - retry(%d)\n", |
| 246 | reg, i); |
| 247 | /* retry after delay of increasing order */ |
| 248 | msleep(delay_array_msec[i]); |
| 249 | rc = regmap_read(wsa881x->regmap[wsa881x_index], |
| 250 | reg, &val); |
| 251 | } |
| 252 | if (rc) { |
| 253 | pr_err_ratelimited("Failed reading reg=%u rc=%d\n", |
| 254 | reg, rc); |
| 255 | return rc; |
| 256 | } |
| 257 | pr_debug("read success reg = %x val = %x\n", |
| 258 | reg, val); |
| 259 | } else { |
| 260 | reg_addr = (u8)reg; |
| 261 | msg = &wsa881x->xfer_msg[0]; |
| 262 | msg->addr = wsa881x->client[wsa881x_index]->addr; |
| 263 | msg->len = 1; |
| 264 | msg->flags = 0; |
| 265 | msg->buf = ®_addr; |
| 266 | |
| 267 | msg = &wsa881x->xfer_msg[1]; |
| 268 | msg->addr = wsa881x->client[wsa881x_index]->addr; |
| 269 | msg->len = 1; |
| 270 | msg->flags = I2C_M_RD; |
| 271 | msg->buf = dest; |
| 272 | ret = i2c_transfer(wsa881x->client[wsa881x_index]->adapter, |
| 273 | wsa881x->xfer_msg, 2); |
| 274 | |
| 275 | /* Try again if read fails first time */ |
| 276 | if (ret != 2) { |
| 277 | ret = i2c_transfer( |
| 278 | wsa881x->client[wsa881x_index]->adapter, |
| 279 | wsa881x->xfer_msg, 2); |
| 280 | if (ret != 2) { |
| 281 | pr_err_ratelimited("failed to read wsa register:%d\n", |
| 282 | reg); |
| 283 | return ret; |
| 284 | } |
| 285 | } |
| 286 | val = dest[0]; |
| 287 | } |
| 288 | return val; |
| 289 | } |
| 290 | |
| 291 | static unsigned int wsa881x_i2c_read(struct snd_soc_component *component, |
| 292 | unsigned int reg) |
| 293 | { |
| 294 | struct wsa881x_pdata *wsa881x; |
| 295 | int wsa881x_index; |
| 296 | |
| 297 | if (component == NULL) { |
| 298 | pr_err_ratelimited("%s: invalid component\n", __func__); |
| 299 | return -EINVAL; |
| 300 | } |
| 301 | wsa881x = snd_soc_component_get_drvdata(component); |
| 302 | if (!wsa881x->wsa_active) |
| 303 | return 0; |
| 304 | |
| 305 | wsa881x_index = get_i2c_wsa881x_device_index(reg); |
| 306 | if (wsa881x_index < 0) { |
| 307 | pr_err_ratelimited("%s:invalid register to read\n", __func__); |
| 308 | return -EINVAL; |
| 309 | } |
| 310 | return wsa881x_i2c_read_device(wsa881x, reg); |
| 311 | } |
| 312 | |
| 313 | static int wsa881x_i2c_write(struct snd_soc_component *component, |
| 314 | unsigned int reg, |
| 315 | unsigned int val) |
| 316 | { |
| 317 | struct wsa881x_pdata *wsa881x; |
| 318 | int wsa881x_index; |
| 319 | |
| 320 | if (component == NULL) { |
| 321 | pr_err_ratelimited("%s: invalid component\n", __func__); |
| 322 | return -EINVAL; |
| 323 | } |
| 324 | wsa881x = snd_soc_component_get_drvdata(component); |
| 325 | if (!wsa881x->wsa_active) |
| 326 | return 0; |
| 327 | |
| 328 | wsa881x_index = get_i2c_wsa881x_device_index(reg); |
| 329 | if (wsa881x_index < 0) { |
| 330 | pr_err_ratelimited("%s:invalid register to read\n", __func__); |
| 331 | return -EINVAL; |
| 332 | } |
| 333 | return wsa881x_i2c_write_device(wsa881x, reg, val); |
| 334 | } |
| 335 | |
| 336 | static int wsa881x_i2c_get_client_index(struct i2c_client *client, |
| 337 | int *wsa881x_index) |
| 338 | { |
| 339 | int ret = 0; |
| 340 | |
| 341 | switch (client->addr) { |
| 342 | case WSA881X_I2C_SPK0_SLAVE0_ADDR: |
| 343 | case WSA881X_I2C_SPK0_SLAVE1_ADDR: |
| 344 | *wsa881x_index = WSA881X_I2C_SPK0_SLAVE0; |
| 345 | break; |
| 346 | case WSA881X_I2C_SPK1_SLAVE0_ADDR: |
| 347 | case WSA881X_I2C_SPK1_SLAVE1_ADDR: |
| 348 | *wsa881x_index = WSA881X_I2C_SPK1_SLAVE0; |
| 349 | break; |
| 350 | default: |
| 351 | ret = -EINVAL; |
| 352 | break; |
| 353 | } |
| 354 | return ret; |
| 355 | } |
| 356 | |
| 357 | static int wsa881x_boost_ctrl(struct snd_soc_component *component, bool enable) |
| 358 | { |
| 359 | struct wsa881x_pdata *wsa881x = |
| 360 | snd_soc_component_get_drvdata(component); |
| 361 | |
| 362 | |
| 363 | pr_debug("%s: enable:%d\n", __func__, enable); |
| 364 | if (enable) { |
| 365 | if (!WSA881X_IS_2_0(wsa881x->version)) { |
| 366 | snd_soc_component_update_bits(component, |
| 367 | WSA881X_ANA_CTL, 0x01, 0x01); |
| 368 | snd_soc_component_update_bits(component, |
| 369 | WSA881X_ANA_CTL, 0x04, 0x04); |
| 370 | snd_soc_component_update_bits(component, |
| 371 | WSA881X_BOOST_PS_CTL, |
| 372 | 0x40, 0x00); |
| 373 | snd_soc_component_update_bits(component, |
| 374 | WSA881X_BOOST_PRESET_OUT1, |
| 375 | 0xF0, 0xB0); |
| 376 | snd_soc_component_update_bits(component, |
| 377 | WSA881X_BOOST_ZX_CTL, |
| 378 | 0x20, 0x00); |
| 379 | snd_soc_component_update_bits(component, |
| 380 | WSA881X_BOOST_EN_CTL, |
| 381 | 0x80, 0x80); |
| 382 | } else { |
| 383 | snd_soc_component_update_bits(component, |
| 384 | WSA881X_BOOST_LOOP_STABILITY, |
| 385 | 0x03, 0x03); |
| 386 | snd_soc_component_update_bits(component, |
| 387 | WSA881X_BOOST_MISC2_CTL, |
| 388 | 0xFF, 0x14); |
| 389 | snd_soc_component_update_bits(component, |
| 390 | WSA881X_BOOST_START_CTL, |
| 391 | 0x80, 0x80); |
| 392 | snd_soc_component_update_bits(component, |
| 393 | WSA881X_BOOST_START_CTL, |
| 394 | 0x03, 0x00); |
| 395 | snd_soc_component_update_bits(component, |
| 396 | WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, |
| 397 | 0x0C, 0x04); |
| 398 | snd_soc_component_update_bits(component, |
| 399 | WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, |
| 400 | 0x03, 0x00); |
| 401 | snd_soc_component_update_bits(component, |
| 402 | WSA881X_BOOST_PRESET_OUT1, |
| 403 | 0xF0, 0x70); |
| 404 | snd_soc_component_update_bits(component, |
| 405 | WSA881X_ANA_CTL, 0x03, 0x01); |
| 406 | snd_soc_component_update_bits(component, |
| 407 | WSA881X_SPKR_DRV_EN, |
| 408 | 0x08, 0x08); |
| 409 | snd_soc_component_update_bits(component, |
| 410 | WSA881X_ANA_CTL, 0x04, 0x04); |
| 411 | snd_soc_component_update_bits(component, |
| 412 | WSA881X_BOOST_CURRENT_LIMIT, |
| 413 | 0x0F, 0x08); |
| 414 | snd_soc_component_update_bits(component, |
| 415 | WSA881X_BOOST_EN_CTL, |
| 416 | 0x80, 0x80); |
| 417 | } |
| 418 | /* For WSA8810, start-up time is 1500us as per qcrg sequence */ |
| 419 | usleep_range(1500, 1510); |
| 420 | } else { |
| 421 | /* ENSURE: Class-D amp is shutdown. CLK is still on */ |
| 422 | snd_soc_component_update_bits(component, |
| 423 | WSA881X_BOOST_EN_CTL, 0x80, 0x00); |
| 424 | /* boost settle time is 1500us as per qcrg sequence */ |
| 425 | usleep_range(1500, 1510); |
| 426 | } |
| 427 | return 0; |
| 428 | } |
| 429 | |
| 430 | static int wsa881x_visense_txfe_ctrl(struct snd_soc_component *component, |
| 431 | bool enable, |
| 432 | u8 isense1_gain, u8 isense2_gain, |
| 433 | u8 vsense_gain) |
| 434 | { |
| 435 | u8 value = 0; |
| 436 | struct wsa881x_pdata *wsa881x = |
| 437 | snd_soc_component_get_drvdata(component); |
| 438 | |
| 439 | pr_debug("%s: enable:%d\n", __func__, enable); |
| 440 | |
| 441 | if (enable) { |
| 442 | if (WSA881X_IS_2_0(wsa881x->version)) { |
| 443 | snd_soc_component_update_bits(component, |
| 444 | WSA881X_OTP_REG_28, |
| 445 | 0x3F, 0x3A); |
| 446 | snd_soc_component_update_bits(component, |
| 447 | WSA881X_BONGO_RESRV_REG1, |
| 448 | 0xFF, 0xB2); |
| 449 | snd_soc_component_update_bits(component, |
| 450 | WSA881X_BONGO_RESRV_REG2, |
| 451 | 0xFF, 0x05); |
| 452 | } |
| 453 | snd_soc_component_update_bits(component, |
| 454 | WSA881X_SPKR_PROT_FE_VSENSE_VCM, |
| 455 | 0x08, 0x00); |
| 456 | if (WSA881X_IS_2_0(wsa881x->version)) { |
| 457 | snd_soc_component_update_bits(component, |
| 458 | WSA881X_SPKR_PROT_ATEST2, |
| 459 | 0x1C, 0x04); |
| 460 | } else { |
| 461 | snd_soc_component_update_bits(component, |
| 462 | WSA881X_SPKR_PROT_ATEST2, |
| 463 | 0x08, 0x08); |
| 464 | snd_soc_component_update_bits(component, |
| 465 | WSA881X_SPKR_PROT_ATEST2, |
| 466 | 0x02, 0x02); |
| 467 | } |
| 468 | value = ((isense2_gain << 6) | (isense1_gain << 4) | |
| 469 | (vsense_gain << 3)); |
| 470 | snd_soc_component_update_bits(component, |
| 471 | WSA881X_SPKR_PROT_FE_GAIN, |
| 472 | 0xF8, value); |
| 473 | snd_soc_component_update_bits(component, |
| 474 | WSA881X_SPKR_PROT_FE_GAIN, |
| 475 | 0x01, 0x01); |
| 476 | } else { |
| 477 | if (WSA881X_IS_2_0(wsa881x->version)) |
| 478 | snd_soc_component_update_bits(component, |
| 479 | WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x10, 0x10); |
| 480 | else |
| 481 | snd_soc_component_update_bits(component, |
| 482 | WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x08, 0x08); |
| 483 | /* |
| 484 | * 200us sleep is needed after visense txfe disable as per |
| 485 | * HW requirement. |
| 486 | */ |
| 487 | usleep_range(200, 210); |
| 488 | |
| 489 | snd_soc_component_update_bits(component, |
| 490 | WSA881X_SPKR_PROT_FE_GAIN, |
| 491 | 0x01, 0x00); |
| 492 | } |
| 493 | return 0; |
| 494 | } |
| 495 | |
| 496 | static int wsa881x_visense_adc_ctrl(struct snd_soc_component *component, |
| 497 | bool enable) |
| 498 | { |
| 499 | struct wsa881x_pdata *wsa881x = |
| 500 | snd_soc_component_get_drvdata(component); |
| 501 | |
| 502 | pr_debug("%s: enable:%d\n", __func__, enable); |
| 503 | if (enable) { |
| 504 | if (!WSA881X_IS_2_0(wsa881x->version)) |
| 505 | snd_soc_component_update_bits(component, |
| 506 | WSA881X_ADC_SEL_IBIAS, |
| 507 | 0x70, 0x40); |
| 508 | snd_soc_component_update_bits(component, |
| 509 | WSA881X_ADC_EN_SEL_IBIAS, |
| 510 | 0x07, 0x04); |
| 511 | snd_soc_component_update_bits(component, |
| 512 | WSA881X_ADC_EN_MODU_V, 0x80, 0x80); |
| 513 | snd_soc_component_update_bits(component, |
| 514 | WSA881X_ADC_EN_MODU_I, 0x80, 0x80); |
| 515 | } else { |
| 516 | /* Ensure: Speaker Protection has been stopped */ |
| 517 | snd_soc_component_update_bits(component, |
| 518 | WSA881X_ADC_EN_MODU_V, 0x80, 0x00); |
| 519 | snd_soc_component_update_bits(component, |
| 520 | WSA881X_ADC_EN_MODU_I, 0x80, 0x00); |
| 521 | } |
| 522 | |
| 523 | return 0; |
| 524 | } |
| 525 | |
| 526 | static void wsa881x_bandgap_ctrl(struct snd_soc_component *component, |
| 527 | bool enable) |
| 528 | { |
| 529 | struct wsa881x_pdata *wsa881x = |
| 530 | snd_soc_component_get_drvdata(component); |
| 531 | |
| 532 | dev_dbg(component->dev, "%s: enable:%d, bg_count:%d\n", __func__, |
| 533 | enable, wsa881x->bg_cnt); |
| 534 | mutex_lock(&wsa881x->bg_lock); |
| 535 | if (enable) { |
| 536 | ++wsa881x->bg_cnt; |
| 537 | if (wsa881x->bg_cnt == 1) { |
| 538 | snd_soc_component_update_bits(component, |
| 539 | WSA881X_TEMP_OP, 0x08, 0x08); |
| 540 | /* 400usec sleep is needed as per HW requirement */ |
| 541 | usleep_range(400, 410); |
| 542 | snd_soc_component_update_bits(component, |
| 543 | WSA881X_TEMP_OP, 0x04, 0x04); |
| 544 | } |
| 545 | } else { |
| 546 | --wsa881x->bg_cnt; |
| 547 | if (wsa881x->bg_cnt <= 0) { |
| 548 | WARN_ON(wsa881x->bg_cnt < 0); |
| 549 | wsa881x->bg_cnt = 0; |
| 550 | snd_soc_component_update_bits(component, |
| 551 | WSA881X_TEMP_OP, 0x04, 0x00); |
| 552 | snd_soc_component_update_bits(component, |
| 553 | WSA881X_TEMP_OP, 0x08, 0x00); |
| 554 | } |
| 555 | } |
| 556 | mutex_unlock(&wsa881x->bg_lock); |
| 557 | } |
| 558 | |
| 559 | static void wsa881x_clk_ctrl(struct snd_soc_component *component, bool enable) |
| 560 | { |
| 561 | struct wsa881x_pdata *wsa881x = |
| 562 | snd_soc_component_get_drvdata(component); |
| 563 | |
| 564 | dev_dbg(component->dev, "%s:ss enable:%d, clk_count:%d\n", __func__, |
| 565 | enable, wsa881x->clk_cnt); |
| 566 | mutex_lock(&wsa881x->res_lock); |
| 567 | if (enable) { |
| 568 | ++wsa881x->clk_cnt; |
| 569 | if (wsa881x->clk_cnt == 1) { |
| 570 | snd_soc_component_write(component, |
| 571 | WSA881X_CDC_RST_CTL, 0x02); |
| 572 | snd_soc_component_write(component, |
| 573 | WSA881X_CDC_RST_CTL, 0x03); |
| 574 | snd_soc_component_write(component, |
| 575 | WSA881X_CLOCK_CONFIG, 0x01); |
| 576 | |
| 577 | snd_soc_component_write(component, |
| 578 | WSA881X_CDC_DIG_CLK_CTL, 0x01); |
| 579 | snd_soc_component_write(component, |
| 580 | WSA881X_CDC_ANA_CLK_CTL, 0x01); |
| 581 | |
| 582 | } |
| 583 | } else { |
| 584 | --wsa881x->clk_cnt; |
| 585 | if (wsa881x->clk_cnt <= 0) { |
| 586 | WARN_ON(wsa881x->clk_cnt < 0); |
| 587 | wsa881x->clk_cnt = 0; |
| 588 | snd_soc_component_write(component, |
| 589 | WSA881X_CDC_ANA_CLK_CTL, 0x00); |
| 590 | snd_soc_component_write(component, |
| 591 | WSA881X_CDC_DIG_CLK_CTL, 0x00); |
| 592 | if (WSA881X_IS_2_0(wsa881x->version)) |
| 593 | snd_soc_component_update_bits(component, |
| 594 | WSA881X_CDC_TOP_CLK_CTL, 0x01, 0x00); |
| 595 | } |
| 596 | } |
| 597 | mutex_unlock(&wsa881x->res_lock); |
| 598 | } |
| 599 | |
| 600 | static int wsa881x_rdac_ctrl(struct snd_soc_component *component, bool enable) |
| 601 | { |
| 602 | struct wsa881x_pdata *wsa881x = |
| 603 | snd_soc_component_get_drvdata(component); |
| 604 | |
| 605 | pr_debug("%s: enable:%d\n", __func__, enable); |
| 606 | if (enable) { |
| 607 | snd_soc_component_update_bits(component, |
| 608 | WSA881X_ANA_CTL, 0x08, 0x00); |
| 609 | snd_soc_component_update_bits(component, |
| 610 | WSA881X_SPKR_DRV_GAIN, 0x08, 0x08); |
| 611 | snd_soc_component_update_bits(component, |
| 612 | WSA881X_SPKR_DAC_CTL, 0x20, 0x20); |
| 613 | snd_soc_component_update_bits(component, |
| 614 | WSA881X_SPKR_DAC_CTL, 0x20, 0x00); |
| 615 | snd_soc_component_update_bits(component, |
| 616 | WSA881X_SPKR_DAC_CTL, 0x40, 0x40); |
| 617 | snd_soc_component_update_bits(component, |
| 618 | WSA881X_SPKR_DAC_CTL, 0x80, 0x80); |
| 619 | if (WSA881X_IS_2_0(wsa881x->version)) { |
| 620 | snd_soc_component_update_bits(component, |
| 621 | WSA881X_SPKR_BIAS_CAL, 0x01, 0x01); |
| 622 | snd_soc_component_update_bits(component, |
| 623 | WSA881X_SPKR_OCP_CTL, 0x30, 0x30); |
| 624 | snd_soc_component_update_bits(component, |
| 625 | WSA881X_SPKR_OCP_CTL, 0x0C, 0x00); |
| 626 | } |
| 627 | snd_soc_component_update_bits(component, |
| 628 | WSA881X_SPKR_DRV_GAIN, 0xF0, 0x40); |
| 629 | snd_soc_component_update_bits(component, |
| 630 | WSA881X_SPKR_MISC_CTL1, 0x01, 0x01); |
| 631 | } else { |
| 632 | /* Ensure class-D amp is off */ |
| 633 | snd_soc_component_update_bits(component, |
| 634 | WSA881X_SPKR_DAC_CTL, 0x80, 0x00); |
| 635 | } |
| 636 | return 0; |
| 637 | } |
| 638 | |
| 639 | static int wsa881x_spkr_pa_ctrl(struct snd_soc_component *component, |
| 640 | bool enable) |
| 641 | { |
| 642 | int ret = 0; |
| 643 | struct wsa881x_pdata *wsa881x = |
| 644 | snd_soc_component_get_drvdata(component); |
| 645 | |
| 646 | pr_debug("%s: enable:%d\n", __func__, enable); |
| 647 | if (enable) { |
| 648 | /* |
| 649 | * Ensure: Boost is enabled and stable, Analog input is up |
| 650 | * and outputting silence |
| 651 | */ |
| 652 | if (!WSA881X_IS_2_0(wsa881x->version)) { |
| 653 | snd_soc_component_update_bits(component, |
| 654 | WSA881X_ADC_EN_DET_TEST_I, |
| 655 | 0xFF, 0x01); |
| 656 | snd_soc_component_update_bits(component, |
| 657 | WSA881X_ADC_EN_MODU_V, |
| 658 | 0x02, 0x02); |
| 659 | snd_soc_component_update_bits(component, |
| 660 | WSA881X_ADC_EN_DET_TEST_V, |
| 661 | 0xFF, 0x10); |
| 662 | snd_soc_component_update_bits(component, |
| 663 | WSA881X_SPKR_PWRSTG_DBG, |
| 664 | 0xA0, 0xA0); |
| 665 | snd_soc_component_update_bits(component, |
| 666 | WSA881X_SPKR_DRV_EN, |
| 667 | 0x80, 0x80); |
| 668 | usleep_range(700, 710); |
| 669 | snd_soc_component_update_bits(component, |
| 670 | WSA881X_SPKR_PWRSTG_DBG, |
| 671 | 0x00, 0x00); |
| 672 | snd_soc_component_update_bits(component, |
| 673 | WSA881X_ADC_EN_DET_TEST_V, |
| 674 | 0xFF, 0x00); |
| 675 | snd_soc_component_update_bits(component, |
| 676 | WSA881X_ADC_EN_MODU_V, |
| 677 | 0x02, 0x00); |
| 678 | snd_soc_component_update_bits(component, |
| 679 | WSA881X_ADC_EN_DET_TEST_I, |
| 680 | 0xFF, 0x00); |
| 681 | } else |
| 682 | snd_soc_component_update_bits(component, |
| 683 | WSA881X_SPKR_DRV_EN, 0x80, 0x80); |
| 684 | /* add 1000us delay as per qcrg */ |
| 685 | usleep_range(1000, 1010); |
| 686 | snd_soc_component_update_bits(component, |
| 687 | WSA881X_SPKR_DRV_EN, 0x01, 0x01); |
| 688 | if (WSA881X_IS_2_0(wsa881x->version)) |
| 689 | snd_soc_component_update_bits(component, |
| 690 | WSA881X_SPKR_BIAS_CAL, |
| 691 | 0x01, 0x00); |
| 692 | usleep_range(1000, 1010); |
| 693 | snd_soc_component_update_bits(component, |
| 694 | WSA881X_SPKR_DRV_GAIN, |
| 695 | 0xF0, (wsa881x->spk_pa_gain << 4)); |
| 696 | if (wsa881x->visense_enable) { |
| 697 | ret = msm_cdc_pinctrl_select_active_state( |
| 698 | wsa881x->wsa_vi_gpio_p); |
| 699 | if (ret) { |
| 700 | pr_err("%s: gpio set cannot be activated %s\n", |
| 701 | __func__, "wsa_vi"); |
| 702 | return ret; |
| 703 | } |
| 704 | wsa881x_visense_txfe_ctrl(component, true, |
| 705 | 0x00, 0x01, 0x00); |
| 706 | wsa881x_visense_adc_ctrl(component, true); |
| 707 | } |
| 708 | } else { |
| 709 | /* |
| 710 | * Ensure: Boost is still on, Stream from Analog input and |
| 711 | * Speaker Protection has been stopped and input is at 0V |
| 712 | */ |
| 713 | if (WSA881X_IS_2_0(wsa881x->version)) { |
| 714 | snd_soc_component_update_bits(component, |
| 715 | WSA881X_SPKR_BIAS_CAL, |
| 716 | 0x01, 0x01); |
| 717 | usleep_range(1000, 1010); |
| 718 | snd_soc_component_update_bits(component, |
| 719 | WSA881X_SPKR_BIAS_CAL, |
| 720 | 0x01, 0x00); |
| 721 | msleep(20); |
| 722 | snd_soc_component_update_bits(component, |
| 723 | WSA881X_ANA_CTL, 0x03, 0x00); |
| 724 | usleep_range(200, 210); |
| 725 | } |
| 726 | snd_soc_component_update_bits(component, |
| 727 | WSA881X_SPKR_DRV_EN, 0x80, 0x00); |
| 728 | } |
| 729 | return 0; |
| 730 | } |
| 731 | |
| 732 | static int wsa881x_get_boost(struct snd_kcontrol *kcontrol, |
| 733 | struct snd_ctl_elem_value *ucontrol) |
| 734 | { |
| 735 | |
| 736 | struct snd_soc_component *component = |
| 737 | snd_soc_kcontrol_component(kcontrol); |
| 738 | struct wsa881x_pdata *wsa881x = |
| 739 | snd_soc_component_get_drvdata(component); |
| 740 | |
| 741 | ucontrol->value.integer.value[0] = wsa881x->boost_enable; |
| 742 | return 0; |
| 743 | } |
| 744 | |
| 745 | static int wsa881x_set_boost(struct snd_kcontrol *kcontrol, |
| 746 | struct snd_ctl_elem_value *ucontrol) |
| 747 | { |
| 748 | struct snd_soc_component *component = |
| 749 | snd_soc_kcontrol_component(kcontrol); |
| 750 | struct wsa881x_pdata *wsa881x = |
| 751 | snd_soc_component_get_drvdata(component); |
| 752 | int value = ucontrol->value.integer.value[0]; |
| 753 | |
| 754 | dev_dbg(component->dev, "%s: Boost enable current %d, new %d\n", |
| 755 | __func__, wsa881x->boost_enable, value); |
| 756 | wsa881x->boost_enable = value; |
| 757 | return 0; |
| 758 | } |
| 759 | |
| 760 | static int wsa881x_get_visense(struct snd_kcontrol *kcontrol, |
| 761 | struct snd_ctl_elem_value *ucontrol) |
| 762 | { |
| 763 | |
| 764 | struct snd_soc_component *component = |
| 765 | snd_soc_kcontrol_component(kcontrol); |
| 766 | struct wsa881x_pdata *wsa881x = |
| 767 | snd_soc_component_get_drvdata(component); |
| 768 | |
| 769 | ucontrol->value.integer.value[0] = wsa881x->visense_enable; |
| 770 | return 0; |
| 771 | } |
| 772 | |
| 773 | static int wsa881x_set_visense(struct snd_kcontrol *kcontrol, |
| 774 | struct snd_ctl_elem_value *ucontrol) |
| 775 | { |
| 776 | struct snd_soc_component *component = |
| 777 | snd_soc_kcontrol_component(kcontrol); |
| 778 | struct wsa881x_pdata *wsa881x = |
| 779 | snd_soc_component_get_drvdata(component); |
| 780 | int value = ucontrol->value.integer.value[0]; |
| 781 | |
| 782 | dev_dbg(component->dev, "%s: VIsense enable current %d, new %d\n", |
| 783 | __func__, wsa881x->visense_enable, value); |
| 784 | wsa881x->visense_enable = value; |
| 785 | return 0; |
| 786 | } |
| 787 | |
| 788 | static const struct snd_kcontrol_new wsa881x_snd_controls[] = { |
| 789 | SOC_SINGLE_EXT("BOOST Switch", SND_SOC_NOPM, 0, 1, 0, |
| 790 | wsa881x_get_boost, wsa881x_set_boost), |
| 791 | |
| 792 | SOC_SINGLE_EXT("VISENSE Switch", SND_SOC_NOPM, 0, 1, 0, |
| 793 | wsa881x_get_visense, wsa881x_set_visense), |
| 794 | |
| 795 | SOC_ENUM_EXT("WSA_SPK PA Gain", wsa881x_spk_pa_gain_enum[0], |
| 796 | wsa881x_spk_pa_gain_get, wsa881x_spk_pa_gain_put), |
| 797 | }; |
| 798 | |
| 799 | static const char * const rdac_text[] = { |
| 800 | "ZERO", "Switch", |
| 801 | }; |
| 802 | |
| 803 | static const struct soc_enum rdac_enum = |
| 804 | SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, ARRAY_SIZE(rdac_text), rdac_text); |
| 805 | |
| 806 | static const struct snd_kcontrol_new rdac_mux[] = { |
| 807 | SOC_DAPM_ENUM("RDAC", rdac_enum) |
| 808 | }; |
| 809 | |
| 810 | static int wsa881x_rdac_event(struct snd_soc_dapm_widget *w, |
| 811 | struct snd_kcontrol *kcontrol, int event) |
| 812 | { |
| 813 | struct snd_soc_component *component = |
| 814 | snd_soc_dapm_to_component(w->dapm); |
| 815 | struct wsa881x_pdata *wsa881x = |
| 816 | snd_soc_component_get_drvdata(component); |
| 817 | int ret = 0; |
| 818 | |
| 819 | dev_dbg(component->dev, "%s: %s %d boost %d visense %d\n", |
| 820 | __func__, w->name, event, |
| 821 | wsa881x->boost_enable, wsa881x->visense_enable); |
| 822 | |
| 823 | switch (event) { |
| 824 | case SND_SOC_DAPM_PRE_PMU: |
| 825 | ret = wsa881x_startup(wsa881x); |
| 826 | if (ret) { |
| 827 | pr_err("%s: wsa startup failed ret: %d", __func__, ret); |
| 828 | return ret; |
| 829 | } |
| 830 | wsa881x_clk_ctrl(component, true); |
| 831 | snd_soc_component_update_bits(component, |
| 832 | WSA881X_SPKR_DAC_CTL, 0x02, 0x02); |
| 833 | if (!WSA881X_IS_2_0(wsa881x->version)) |
| 834 | snd_soc_component_update_bits(component, |
| 835 | WSA881X_BIAS_REF_CTRL, |
| 836 | 0x0F, 0x08); |
| 837 | wsa881x_bandgap_ctrl(component, true); |
| 838 | if (!WSA881X_IS_2_0(wsa881x->version)) |
| 839 | snd_soc_component_update_bits(component, |
| 840 | WSA881X_SPKR_BBM_CTL, |
| 841 | 0x02, 0x02); |
| 842 | snd_soc_component_update_bits(component, |
| 843 | WSA881X_SPKR_MISC_CTL1, 0xC0, 0x80); |
| 844 | snd_soc_component_update_bits(component, |
| 845 | WSA881X_SPKR_MISC_CTL1, 0x06, 0x06); |
| 846 | if (!WSA881X_IS_2_0(wsa881x->version)) { |
| 847 | snd_soc_component_update_bits(component, |
| 848 | WSA881X_SPKR_MISC_CTL2, |
| 849 | 0x04, 0x04); |
| 850 | snd_soc_component_update_bits(component, |
| 851 | WSA881X_SPKR_BIAS_INT, |
| 852 | 0x09, 0x09); |
| 853 | } |
| 854 | snd_soc_component_update_bits(component, |
| 855 | WSA881X_SPKR_PA_INT, 0xF0, 0x20); |
| 856 | if (WSA881X_IS_2_0(wsa881x->version)) |
| 857 | snd_soc_component_update_bits(component, |
| 858 | WSA881X_SPKR_PA_INT, |
| 859 | 0x0E, 0x0E); |
| 860 | if (wsa881x->boost_enable) |
| 861 | wsa881x_boost_ctrl(component, true); |
| 862 | break; |
| 863 | case SND_SOC_DAPM_POST_PMU: |
| 864 | wsa881x_rdac_ctrl(component, true); |
| 865 | break; |
| 866 | case SND_SOC_DAPM_PRE_PMD: |
| 867 | wsa881x_rdac_ctrl(component, false); |
| 868 | if (wsa881x->visense_enable) { |
| 869 | wsa881x_visense_adc_ctrl(component, false); |
| 870 | wsa881x_visense_txfe_ctrl(component, false, |
| 871 | 0x00, 0x01, 0x00); |
| 872 | ret = msm_cdc_pinctrl_select_sleep_state( |
| 873 | wsa881x->wsa_vi_gpio_p); |
| 874 | if (ret) { |
| 875 | pr_err("%s: gpio set cannot be suspended %s\n", |
| 876 | __func__, "wsa_vi"); |
| 877 | return ret; |
| 878 | } |
| 879 | } |
| 880 | break; |
| 881 | case SND_SOC_DAPM_POST_PMD: |
| 882 | if (wsa881x->boost_enable) |
| 883 | wsa881x_boost_ctrl(component, false); |
| 884 | wsa881x_clk_ctrl(component, false); |
| 885 | wsa881x_bandgap_ctrl(component, false); |
| 886 | ret = wsa881x_shutdown(wsa881x); |
| 887 | if (ret < 0) { |
| 888 | pr_err("%s: wsa shutdown failed ret: %d", |
| 889 | __func__, ret); |
| 890 | return ret; |
| 891 | } |
| 892 | break; |
| 893 | default: |
| 894 | pr_err("%s: invalid event:%d\n", __func__, event); |
| 895 | return -EINVAL; |
| 896 | } |
| 897 | return 0; |
| 898 | } |
| 899 | |
| 900 | static void wsa881x_ocp_ctl_work(struct work_struct *work) |
| 901 | { |
| 902 | struct wsa881x_pdata *wsa881x; |
| 903 | struct delayed_work *dwork; |
| 904 | struct snd_soc_component *component; |
| 905 | int temp_val; |
| 906 | |
| 907 | dwork = to_delayed_work(work); |
| 908 | wsa881x = container_of(dwork, struct wsa881x_pdata, ocp_ctl_work); |
| 909 | |
| 910 | if (!wsa881x) |
| 911 | return; |
| 912 | |
| 913 | component = wsa881x->component; |
| 914 | wsa881x_get_temp(wsa881x->tz_pdata.tz_dev, &temp_val); |
| 915 | dev_dbg(component->dev, " temp = %d\n", temp_val); |
| 916 | |
| 917 | if (temp_val <= WSA881X_OCP_CTL_TEMP_CELSIUS) |
| 918 | snd_soc_component_update_bits(component, |
| 919 | WSA881X_SPKR_OCP_CTL, 0xC0, 0x00); |
| 920 | else |
| 921 | snd_soc_component_update_bits(component, |
| 922 | WSA881X_SPKR_OCP_CTL, 0xC0, 0xC0); |
| 923 | |
| 924 | schedule_delayed_work(&wsa881x->ocp_ctl_work, |
| 925 | msecs_to_jiffies(wsa881x_ocp_poll_timer_sec * 1000)); |
| 926 | } |
| 927 | |
| 928 | static int wsa881x_spkr_pa_event(struct snd_soc_dapm_widget *w, |
| 929 | struct snd_kcontrol *kcontrol, int event) |
| 930 | { |
| 931 | struct snd_soc_component *component = |
| 932 | snd_soc_dapm_to_component(w->dapm); |
| 933 | struct wsa881x_pdata *wsa881x = |
| 934 | snd_soc_component_get_drvdata(component); |
| 935 | |
| 936 | pr_debug("%s: %s %d\n", __func__, w->name, event); |
| 937 | |
| 938 | switch (event) { |
| 939 | case SND_SOC_DAPM_PRE_PMU: |
| 940 | snd_soc_component_update_bits(component, |
| 941 | WSA881X_SPKR_OCP_CTL, 0xC0, 0x80); |
| 942 | break; |
| 943 | case SND_SOC_DAPM_POST_PMU: |
| 944 | wsa881x_spkr_pa_ctrl(component, true); |
| 945 | schedule_delayed_work(&wsa881x->ocp_ctl_work, |
| 946 | msecs_to_jiffies(WSA881X_OCP_CTL_TIMER_SEC * 1000)); |
| 947 | break; |
| 948 | case SND_SOC_DAPM_PRE_PMD: |
| 949 | wsa881x_spkr_pa_ctrl(component, false); |
| 950 | break; |
| 951 | case SND_SOC_DAPM_POST_PMD: |
| 952 | cancel_delayed_work_sync(&wsa881x->ocp_ctl_work); |
| 953 | snd_soc_component_update_bits(component, |
| 954 | WSA881X_SPKR_OCP_CTL, 0xC0, 0xC0); |
| 955 | break; |
| 956 | default: |
| 957 | pr_err("%s: invalid event:%d\n", __func__, event); |
| 958 | return -EINVAL; |
| 959 | } |
| 960 | return 0; |
| 961 | } |
| 962 | |
| 963 | static const struct snd_soc_dapm_widget wsa881x_dapm_widgets[] = { |
| 964 | SND_SOC_DAPM_INPUT("WSA_IN"), |
| 965 | |
| 966 | SND_SOC_DAPM_DAC_E("RDAC Analog", NULL, SND_SOC_NOPM, 0, 0, |
| 967 | wsa881x_rdac_event, |
| 968 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | |
| 969 | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), |
| 970 | |
| 971 | SND_SOC_DAPM_MUX("WSA_RDAC", SND_SOC_NOPM, 0, 0, |
| 972 | rdac_mux), |
| 973 | |
| 974 | SND_SOC_DAPM_PGA_S("WSA_SPKR PGA", 1, SND_SOC_NOPM, 0, 0, |
| 975 | wsa881x_spkr_pa_event, |
| 976 | SND_SOC_DAPM_PRE_PMU | |
| 977 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD | |
| 978 | SND_SOC_DAPM_POST_PMD), |
| 979 | |
| 980 | SND_SOC_DAPM_OUTPUT("WSA_SPKR"), |
| 981 | }; |
| 982 | |
| 983 | static const struct snd_soc_dapm_route wsa881x_audio_map[] = { |
| 984 | {"WSA_RDAC", "Switch", "WSA_IN"}, |
| 985 | {"RDAC Analog", NULL, "WSA_RDAC"}, |
| 986 | {"WSA_SPKR PGA", NULL, "RDAC Analog"}, |
| 987 | {"WSA_SPKR", NULL, "WSA_SPKR PGA"}, |
| 988 | }; |
| 989 | |
| 990 | |
| 991 | static int wsa881x_startup(struct wsa881x_pdata *pdata) |
| 992 | { |
| 993 | int ret = 0; |
| 994 | |
| 995 | pr_debug("%s(): wsa startup, enable_cnt:%d\n", __func__, |
| 996 | pdata->enable_cnt); |
| 997 | |
| 998 | if (pdata->enable_cnt++ > 0) |
| 999 | return 0; |
| 1000 | ret = msm_cdc_pinctrl_select_active_state(pdata->wsa_clk_gpio_p); |
| 1001 | if (ret) { |
| 1002 | pr_err("%s: gpio set cannot be activated %s\n", |
| 1003 | __func__, "wsa_clk"); |
| 1004 | return ret; |
| 1005 | } |
| 1006 | ret = clk_prepare_enable(pdata->wsa_mclk); |
| 1007 | if (ret) { |
| 1008 | pr_err("%s: WSA MCLK enable failed\n", |
| 1009 | __func__); |
| 1010 | return ret; |
| 1011 | } |
| 1012 | ret = wsa881x_reset(pdata, true); |
| 1013 | return ret; |
| 1014 | } |
| 1015 | |
| 1016 | static int wsa881x_shutdown(struct wsa881x_pdata *pdata) |
| 1017 | { |
| 1018 | int ret = 0; |
| 1019 | |
| 1020 | pr_debug("%s(): wsa shutdown, enable_cnt:%d\n", __func__, |
| 1021 | pdata->enable_cnt); |
| 1022 | if (--pdata->enable_cnt > 0) |
| 1023 | return 0; |
| 1024 | ret = wsa881x_reset(pdata, false); |
| 1025 | if (ret) { |
| 1026 | pr_err("%s: wsa reset failed suspend %d\n", |
| 1027 | __func__, ret); |
| 1028 | return ret; |
| 1029 | } |
| 1030 | |
Laxminath Kasam | 0bb3a15 | 2020-02-03 12:47:48 +0530 | [diff] [blame] | 1031 | if (__clk_is_enabled(pdata->wsa_mclk)) |
| 1032 | clk_disable_unprepare(pdata->wsa_mclk); |
Laxminath Kasam | 9e78ef8 | 2019-07-01 12:31:45 +0530 | [diff] [blame] | 1033 | |
| 1034 | ret = msm_cdc_pinctrl_select_sleep_state(pdata->wsa_clk_gpio_p); |
| 1035 | if (ret) { |
| 1036 | pr_err("%s: gpio set cannot be suspended %s\n", |
| 1037 | __func__, "wsa_clk"); |
| 1038 | return ret; |
| 1039 | } |
| 1040 | |
| 1041 | return 0; |
| 1042 | } |
| 1043 | |
| 1044 | static int32_t wsa881x_resource_acquire(struct snd_soc_component *component, |
| 1045 | bool enable) |
| 1046 | { |
| 1047 | int ret = 0; |
| 1048 | struct wsa881x_pdata *wsa881x = |
| 1049 | snd_soc_component_get_drvdata(component); |
| 1050 | |
| 1051 | if (enable) { |
| 1052 | ret = wsa881x_startup(wsa881x); |
| 1053 | if (ret < 0) { |
| 1054 | dev_err_ratelimited(component->dev, |
| 1055 | "%s: failed to startup\n", __func__); |
| 1056 | return ret; |
| 1057 | } |
| 1058 | } |
| 1059 | wsa881x_clk_ctrl(component, enable); |
| 1060 | wsa881x_bandgap_ctrl(component, enable); |
| 1061 | if (!enable) { |
| 1062 | ret = wsa881x_shutdown(wsa881x); |
| 1063 | if (ret < 0) |
| 1064 | dev_err_ratelimited(component->dev, |
| 1065 | "%s: failed to shutdown\n", __func__); |
| 1066 | } |
| 1067 | return ret; |
| 1068 | } |
| 1069 | |
| 1070 | static int32_t wsa881x_temp_reg_read(struct snd_soc_component *component, |
| 1071 | struct wsa_temp_register *wsa_temp_reg) |
| 1072 | { |
| 1073 | struct wsa881x_pdata *wsa881x = |
| 1074 | snd_soc_component_get_drvdata(component); |
| 1075 | int ret = 0; |
| 1076 | |
| 1077 | if (!wsa881x) { |
| 1078 | dev_err(component->dev, "%s: wsa881x is NULL\n", __func__); |
| 1079 | return -EINVAL; |
| 1080 | } |
| 1081 | ret = wsa881x_resource_acquire(component, true); |
| 1082 | if (ret) { |
| 1083 | dev_err_ratelimited(component->dev, |
| 1084 | "%s: resource acquire fail\n", __func__); |
| 1085 | return ret; |
| 1086 | } |
| 1087 | |
| 1088 | if (WSA881X_IS_2_0(wsa881x->version)) { |
| 1089 | snd_soc_component_update_bits(component, |
| 1090 | WSA881X_TADC_VALUE_CTL, 0x01, 0x00); |
| 1091 | wsa_temp_reg->dmeas_msb = |
| 1092 | snd_soc_component_read32(component, |
| 1093 | WSA881X_TEMP_MSB); |
| 1094 | wsa_temp_reg->dmeas_lsb = |
| 1095 | snd_soc_component_read32(component, |
| 1096 | WSA881X_TEMP_LSB); |
| 1097 | snd_soc_component_update_bits(component, |
| 1098 | WSA881X_TADC_VALUE_CTL, 0x01, 0x01); |
| 1099 | } else { |
| 1100 | wsa_temp_reg->dmeas_msb = snd_soc_component_read32(component, |
| 1101 | WSA881X_TEMP_DOUT_MSB); |
| 1102 | wsa_temp_reg->dmeas_lsb = snd_soc_component_read32(component, |
| 1103 | WSA881X_TEMP_DOUT_LSB); |
| 1104 | } |
| 1105 | wsa_temp_reg->d1_msb = snd_soc_component_read32(component, |
| 1106 | WSA881X_OTP_REG_1); |
| 1107 | wsa_temp_reg->d1_lsb = snd_soc_component_read32(component, |
| 1108 | WSA881X_OTP_REG_2); |
| 1109 | wsa_temp_reg->d2_msb = snd_soc_component_read32(component, |
| 1110 | WSA881X_OTP_REG_3); |
| 1111 | wsa_temp_reg->d2_lsb = snd_soc_component_read32(component, |
| 1112 | WSA881X_OTP_REG_4); |
| 1113 | |
| 1114 | ret = wsa881x_resource_acquire(component, false); |
| 1115 | if (ret) |
| 1116 | dev_err_ratelimited(component->dev, |
| 1117 | "%s: resource release fail\n", __func__); |
| 1118 | |
| 1119 | return ret; |
| 1120 | } |
| 1121 | |
| 1122 | static int wsa881x_probe(struct snd_soc_component *component) |
| 1123 | { |
| 1124 | struct i2c_client *client; |
| 1125 | int ret = 0; |
| 1126 | int wsa881x_index = 0; |
| 1127 | struct snd_soc_dapm_context *dapm = |
| 1128 | snd_soc_component_get_dapm(component); |
| 1129 | char *widget_name = NULL; |
| 1130 | struct snd_soc_card *card = component->card; |
| 1131 | struct snd_soc_codec_conf *codec_conf = card->codec_conf; |
| 1132 | |
| 1133 | client = dev_get_drvdata(component->dev); |
| 1134 | ret = wsa881x_i2c_get_client_index(client, &wsa881x_index); |
| 1135 | if (ret != 0) { |
| 1136 | dev_err(&client->dev, "%s: I2C get codec I2C\n" |
| 1137 | "client failed\n", __func__); |
| 1138 | return ret; |
| 1139 | } |
| 1140 | mutex_init(&wsa_pdata[wsa881x_index].bg_lock); |
| 1141 | mutex_init(&wsa_pdata[wsa881x_index].res_lock); |
| 1142 | snprintf(wsa_pdata[wsa881x_index].tz_pdata.name, 100, "%s", |
| 1143 | wsa_tz_names[wsa881x_index]); |
| 1144 | wsa_pdata[wsa881x_index].component = component; |
| 1145 | wsa_pdata[wsa881x_index].spk_pa_gain = SPK_GAIN_12DB; |
| 1146 | wsa_pdata[wsa881x_index].component = component; |
| 1147 | wsa_pdata[wsa881x_index].tz_pdata.component = component; |
| 1148 | wsa_pdata[wsa881x_index].tz_pdata.wsa_temp_reg_read = |
| 1149 | wsa881x_temp_reg_read; |
| 1150 | snd_soc_component_set_drvdata(component, &wsa_pdata[wsa881x_index]); |
| 1151 | wsa881x_init_thermal(&wsa_pdata[wsa881x_index].tz_pdata); |
| 1152 | INIT_DELAYED_WORK(&wsa_pdata[wsa881x_index].ocp_ctl_work, |
| 1153 | wsa881x_ocp_ctl_work); |
| 1154 | |
| 1155 | if (codec_conf->name_prefix) { |
| 1156 | widget_name = kcalloc(WIDGET_NAME_MAX_SIZE, sizeof(char), |
| 1157 | GFP_KERNEL); |
| 1158 | if (!widget_name) |
| 1159 | return -ENOMEM; |
| 1160 | |
| 1161 | snprintf(widget_name, WIDGET_NAME_MAX_SIZE, |
| 1162 | "%s WSA_SPKR", codec_conf->name_prefix); |
| 1163 | snd_soc_dapm_ignore_suspend(dapm, widget_name); |
| 1164 | snprintf(widget_name, WIDGET_NAME_MAX_SIZE, |
| 1165 | "%s WSA_IN", codec_conf->name_prefix); |
| 1166 | snd_soc_dapm_ignore_suspend(dapm, widget_name); |
| 1167 | kfree(widget_name); |
| 1168 | } else { |
| 1169 | snd_soc_dapm_ignore_suspend(dapm, "WSA_SPKR"); |
| 1170 | snd_soc_dapm_ignore_suspend(dapm, "WSA_IN"); |
| 1171 | } |
| 1172 | |
| 1173 | snd_soc_dapm_sync(dapm); |
| 1174 | |
| 1175 | return 0; |
| 1176 | } |
| 1177 | |
| 1178 | static void wsa881x_remove(struct snd_soc_component *component) |
| 1179 | { |
| 1180 | struct wsa881x_pdata *wsa881x = |
| 1181 | snd_soc_component_get_drvdata(component); |
| 1182 | |
| 1183 | if (wsa881x->tz_pdata.tz_dev) |
| 1184 | wsa881x_deinit_thermal(wsa881x->tz_pdata.tz_dev); |
| 1185 | |
| 1186 | mutex_destroy(&wsa881x->bg_lock); |
| 1187 | mutex_destroy(&wsa881x->res_lock); |
| 1188 | } |
| 1189 | |
| 1190 | static const struct snd_soc_component_driver soc_component_dev_wsa881x = { |
| 1191 | .probe = wsa881x_probe, |
| 1192 | .remove = wsa881x_remove, |
| 1193 | |
| 1194 | .read = wsa881x_i2c_read, |
| 1195 | .write = wsa881x_i2c_write, |
| 1196 | |
| 1197 | .controls = wsa881x_snd_controls, |
| 1198 | .num_controls = ARRAY_SIZE(wsa881x_snd_controls), |
| 1199 | .dapm_widgets = wsa881x_dapm_widgets, |
| 1200 | .num_dapm_widgets = ARRAY_SIZE(wsa881x_dapm_widgets), |
| 1201 | .dapm_routes = wsa881x_audio_map, |
| 1202 | .num_dapm_routes = ARRAY_SIZE(wsa881x_audio_map), |
| 1203 | }; |
| 1204 | |
| 1205 | static int wsa881x_reset(struct wsa881x_pdata *pdata, bool enable) |
| 1206 | { |
| 1207 | int ret = 0; |
| 1208 | |
| 1209 | /* |
| 1210 | * shutdown the GPIOs WSA_EN, WSA_MCLK, regulators |
| 1211 | * and restore defaults in soc cache when shutdown. |
| 1212 | * Enable regulators, GPIOs WSA_MCLK, WSA_EN when powerup. |
| 1213 | */ |
| 1214 | if (enable) { |
| 1215 | if (pdata->wsa_active) |
| 1216 | return 0; |
| 1217 | ret = msm_cdc_pinctrl_select_active_state( |
| 1218 | pdata->wsa_reset_gpio_p); |
| 1219 | if (ret) { |
| 1220 | pr_err("%s: gpio set cannot be activated %s\n", |
| 1221 | __func__, "wsa_reset"); |
| 1222 | return ret; |
| 1223 | } |
| 1224 | ret = msm_cdc_pinctrl_select_sleep_state( |
| 1225 | pdata->wsa_reset_gpio_p); |
| 1226 | if (ret) { |
| 1227 | pr_err("%s: gpio set cannot be suspended(powerup) %s\n", |
| 1228 | __func__, "wsa_reset"); |
| 1229 | return ret; |
| 1230 | } |
| 1231 | ret = msm_cdc_pinctrl_select_active_state( |
| 1232 | pdata->wsa_reset_gpio_p); |
| 1233 | if (ret) { |
| 1234 | pr_err("%s: gpio set cannot be activated %s\n", |
| 1235 | __func__, "wsa_reset"); |
| 1236 | return ret; |
| 1237 | } |
| 1238 | pdata->wsa_active = true; |
| 1239 | } else { |
| 1240 | if (!pdata->wsa_active) |
| 1241 | return 0; |
| 1242 | ret = msm_cdc_pinctrl_select_sleep_state( |
| 1243 | pdata->wsa_reset_gpio_p); |
| 1244 | if (ret) { |
| 1245 | pr_err("%s: gpio set cannot be suspended %s\n", |
| 1246 | __func__, "wsa_reset"); |
| 1247 | return ret; |
| 1248 | } |
| 1249 | pdata->wsa_active = false; |
| 1250 | } |
| 1251 | return ret; |
| 1252 | } |
| 1253 | |
| 1254 | int wsa881x_get_client_index(void) |
| 1255 | { |
| 1256 | return wsa881x_i2c_addr; |
| 1257 | } |
| 1258 | EXPORT_SYMBOL(wsa881x_get_client_index); |
| 1259 | |
| 1260 | int wsa881x_get_probing_count(void) |
| 1261 | { |
| 1262 | return wsa881x_probing_count; |
| 1263 | } |
| 1264 | EXPORT_SYMBOL(wsa881x_get_probing_count); |
| 1265 | |
| 1266 | int wsa881x_get_presence_count(void) |
| 1267 | { |
| 1268 | return wsa881x_presence_count; |
| 1269 | } |
| 1270 | EXPORT_SYMBOL(wsa881x_get_presence_count); |
| 1271 | |
| 1272 | static int check_wsa881x_presence(struct i2c_client *client) |
| 1273 | { |
| 1274 | int ret = 0; |
| 1275 | int wsa881x_index = 0; |
| 1276 | |
| 1277 | ret = wsa881x_i2c_get_client_index(client, &wsa881x_index); |
| 1278 | if (ret != 0) { |
| 1279 | dev_err(&client->dev, "%s: I2C get codec I2C\n" |
| 1280 | "client failed\n", __func__); |
| 1281 | return ret; |
| 1282 | } |
| 1283 | ret = wsa881x_i2c_read_device(&wsa_pdata[wsa881x_index], |
| 1284 | WSA881X_CDC_RST_CTL); |
| 1285 | if (ret < 0) { |
| 1286 | dev_err(&client->dev, "failed to read wsa881x with addr %x\n", |
| 1287 | client->addr); |
| 1288 | return ret; |
| 1289 | } |
| 1290 | ret = wsa881x_i2c_write_device(&wsa_pdata[wsa881x_index], |
| 1291 | WSA881X_CDC_RST_CTL, 0x01); |
| 1292 | if (ret < 0) { |
| 1293 | dev_err(&client->dev, "failed write addr %x reg:0x5 val:0x1\n", |
| 1294 | client->addr); |
| 1295 | return ret; |
| 1296 | } |
| 1297 | /* allow 20ms before trigger next write to verify wsa881x presence */ |
| 1298 | msleep(20); |
| 1299 | ret = wsa881x_i2c_write_device(&wsa_pdata[wsa881x_index], |
| 1300 | WSA881X_CDC_RST_CTL, 0x00); |
| 1301 | if (ret < 0) { |
| 1302 | dev_err(&client->dev, "failed write addr %x reg:0x5 val:0x0\n", |
| 1303 | client->addr); |
| 1304 | return ret; |
| 1305 | } |
| 1306 | return ret; |
| 1307 | } |
| 1308 | |
| 1309 | static int wsa881x_populate_dt_pdata(struct device *dev, int wsa881x_index) |
| 1310 | { |
| 1311 | int ret = 0; |
| 1312 | struct wsa881x_pdata *pdata = &wsa_pdata[wsa881x_index]; |
| 1313 | |
| 1314 | /* reading the gpio configurations from dtsi file */ |
| 1315 | pdata->wsa_vi_gpio_p = of_parse_phandle(dev->of_node, |
| 1316 | "qcom,wsa-analog-vi-gpio", 0); |
| 1317 | pdata->wsa_clk_gpio_p = of_parse_phandle(dev->of_node, |
| 1318 | "qcom,wsa-analog-clk-gpio", 0); |
| 1319 | pdata->wsa_reset_gpio_p = of_parse_phandle(dev->of_node, |
| 1320 | "qcom,wsa-analog-reset-gpio", 0); |
| 1321 | pinctrl_init = true; |
| 1322 | return ret; |
| 1323 | } |
| 1324 | |
| 1325 | static int wsa881x_i2c_probe(struct i2c_client *client, |
| 1326 | const struct i2c_device_id *id) |
| 1327 | { |
| 1328 | int ret = 0; |
| 1329 | int wsa881x_index = 0; |
| 1330 | struct wsa881x_pdata *pdata = NULL; |
| 1331 | struct clk *wsa_mclk = NULL; |
| 1332 | |
| 1333 | ret = wsa881x_i2c_get_client_index(client, &wsa881x_index); |
| 1334 | if (ret != 0) { |
| 1335 | dev_err(&client->dev, "%s: I2C get codec I2C\n" |
| 1336 | "client failed\n", __func__); |
| 1337 | return ret; |
| 1338 | } |
| 1339 | |
| 1340 | pdata = &wsa_pdata[wsa881x_index]; |
| 1341 | if ((client->addr == WSA881X_I2C_SPK0_SLAVE1_ADDR || |
| 1342 | client->addr == WSA881X_I2C_SPK1_SLAVE1_ADDR) && |
| 1343 | (pdata->status == WSA881X_STATUS_PROBING)) { |
| 1344 | wsa881x_probing_count++; |
Laxminath Kasam | 2b85d8e | 2019-10-16 11:18:49 +0530 | [diff] [blame] | 1345 | return -EPROBE_DEFER; |
Laxminath Kasam | 9e78ef8 | 2019-07-01 12:31:45 +0530 | [diff] [blame] | 1346 | } |
| 1347 | |
| 1348 | if (pdata->status == WSA881X_STATUS_I2C) { |
| 1349 | dev_dbg(&client->dev, "%s:probe for other slaves\n" |
| 1350 | "devices of codec I2C slave Addr = %x\n", |
| 1351 | __func__, client->addr); |
| 1352 | dev_dbg(&client->dev, "%s:wsa_idx = %d SLAVE = %d\n", |
| 1353 | __func__, wsa881x_index, WSA881X_ANALOG_SLAVE); |
| 1354 | pdata->regmap[WSA881X_ANALOG_SLAVE] = |
| 1355 | devm_regmap_init_i2c( |
| 1356 | client, |
| 1357 | &wsa881x_ana_regmap_config[WSA881X_ANALOG_SLAVE]); |
| 1358 | regcache_cache_bypass(pdata->regmap[WSA881X_ANALOG_SLAVE], |
| 1359 | true); |
| 1360 | if (IS_ERR(pdata->regmap[WSA881X_ANALOG_SLAVE])) { |
| 1361 | ret = PTR_ERR(pdata->regmap[WSA881X_ANALOG_SLAVE]); |
| 1362 | dev_err(&client->dev, |
| 1363 | "%s: regmap_init failed %d\n", |
| 1364 | __func__, ret); |
| 1365 | } |
| 1366 | client->dev.platform_data = pdata; |
| 1367 | i2c_set_clientdata(client, pdata); |
| 1368 | pdata->client[WSA881X_ANALOG_SLAVE] = client; |
| 1369 | if (pdata->version == WSA881X_2_0) |
| 1370 | wsa881x_update_regmap_2_0( |
| 1371 | pdata->regmap[WSA881X_ANALOG_SLAVE], |
| 1372 | WSA881X_ANALOG_SLAVE); |
| 1373 | |
| 1374 | wsa881x_probing_count++; |
| 1375 | return ret; |
| 1376 | } else if (pdata->status == WSA881X_STATUS_PROBING) { |
| 1377 | pdata->index = wsa881x_index; |
| 1378 | if (client->dev.of_node) { |
| 1379 | dev_dbg(&client->dev, "%s:Platform data\n" |
| 1380 | "from device tree\n", __func__); |
| 1381 | ret = wsa881x_populate_dt_pdata( |
| 1382 | &client->dev, wsa881x_index); |
| 1383 | if (ret < 0) { |
| 1384 | dev_err(&client->dev, |
| 1385 | "%s: Fail to obtain pdata from device tree\n", |
| 1386 | __func__); |
| 1387 | ret = -EINVAL; |
| 1388 | goto err; |
| 1389 | } |
| 1390 | client->dev.platform_data = pdata; |
| 1391 | } else { |
| 1392 | dev_dbg(&client->dev, "%s:Platform data from\n" |
| 1393 | "board file\n", __func__); |
| 1394 | pdata = client->dev.platform_data; |
| 1395 | } |
| 1396 | if (!pdata) { |
| 1397 | dev_dbg(&client->dev, "no platform data?\n"); |
| 1398 | ret = -EINVAL; |
| 1399 | goto err; |
| 1400 | } |
Laxminath Kasam | 2b85d8e | 2019-10-16 11:18:49 +0530 | [diff] [blame] | 1401 | wsa_mclk = devm_clk_get(&client->dev, "wsa_mclk"); |
| 1402 | if (IS_ERR(wsa_mclk)) { |
| 1403 | ret = PTR_ERR(wsa_mclk); |
| 1404 | dev_dbg(&client->dev, "%s: clk get %s failed %d\n", |
| 1405 | __func__, "wsa_mclk", ret); |
| 1406 | wsa_mclk = NULL; |
| 1407 | goto err; |
| 1408 | } |
| 1409 | pdata->wsa_mclk = wsa_mclk; |
Laxminath Kasam | 9e78ef8 | 2019-07-01 12:31:45 +0530 | [diff] [blame] | 1410 | dev_set_drvdata(&client->dev, client); |
| 1411 | |
| 1412 | pdata->regmap[WSA881X_DIGITAL_SLAVE] = |
| 1413 | devm_regmap_init_i2c( |
| 1414 | client, |
| 1415 | &wsa881x_ana_regmap_config[WSA881X_DIGITAL_SLAVE]); |
| 1416 | regcache_cache_bypass(pdata->regmap[WSA881X_DIGITAL_SLAVE], |
| 1417 | true); |
| 1418 | if (IS_ERR(pdata->regmap[WSA881X_DIGITAL_SLAVE])) { |
| 1419 | ret = PTR_ERR(pdata->regmap[WSA881X_DIGITAL_SLAVE]); |
| 1420 | dev_err(&client->dev, "%s: regmap_init failed %d\n", |
| 1421 | __func__, ret); |
| 1422 | goto err; |
| 1423 | } |
Laxminath Kasam | 9e78ef8 | 2019-07-01 12:31:45 +0530 | [diff] [blame] | 1424 | |
| 1425 | /* bus reset sequence */ |
| 1426 | ret = wsa881x_reset(pdata, true); |
| 1427 | if (ret < 0) { |
| 1428 | wsa881x_probing_count++; |
| 1429 | dev_err(&client->dev, "%s: WSA enable Failed %d\n", |
| 1430 | __func__, ret); |
| 1431 | goto err; |
| 1432 | } |
| 1433 | pdata->client[WSA881X_DIGITAL_SLAVE] = client; |
| 1434 | pdata->regmap_flag = true; |
| 1435 | ret = check_wsa881x_presence(client); |
| 1436 | if (ret < 0) { |
| 1437 | dev_err(&client->dev, |
| 1438 | "failed to ping wsa with addr:%x, ret = %d\n", |
| 1439 | client->addr, ret); |
| 1440 | wsa881x_probing_count++; |
| 1441 | goto err1; |
| 1442 | } |
| 1443 | pdata->version = wsa881x_i2c_read_device(pdata, |
| 1444 | WSA881X_CHIP_ID1); |
| 1445 | pr_debug("%s: wsa881x version: %d\n", __func__, pdata->version); |
| 1446 | if (pdata->version == WSA881X_2_0) { |
| 1447 | wsa881x_update_reg_defaults_2_0(); |
| 1448 | wsa881x_update_regmap_2_0( |
| 1449 | pdata->regmap[WSA881X_DIGITAL_SLAVE], |
| 1450 | WSA881X_DIGITAL_SLAVE); |
| 1451 | } |
| 1452 | wsa881x_presence_count++; |
| 1453 | wsa881x_probing_count++; |
| 1454 | ret = snd_soc_register_component(&client->dev, |
| 1455 | &soc_component_dev_wsa881x, |
| 1456 | NULL, 0); |
| 1457 | if (ret < 0) |
| 1458 | goto err1; |
| 1459 | pdata->status = WSA881X_STATUS_I2C; |
| 1460 | } |
| 1461 | err1: |
| 1462 | wsa881x_reset(pdata, false); |
| 1463 | err: |
Laxminath Kasam | 2b85d8e | 2019-10-16 11:18:49 +0530 | [diff] [blame] | 1464 | return ret; |
Laxminath Kasam | 9e78ef8 | 2019-07-01 12:31:45 +0530 | [diff] [blame] | 1465 | } |
| 1466 | |
| 1467 | static int wsa881x_i2c_remove(struct i2c_client *client) |
| 1468 | { |
| 1469 | struct wsa881x_pdata *wsa881x = client->dev.platform_data; |
| 1470 | |
| 1471 | snd_soc_unregister_component(&client->dev); |
| 1472 | i2c_set_clientdata(client, NULL); |
| 1473 | kfree(wsa881x); |
| 1474 | return 0; |
| 1475 | } |
| 1476 | |
| 1477 | #ifdef CONFIG_PM_SLEEP |
| 1478 | static int wsa881x_i2c_suspend(struct device *dev) |
| 1479 | { |
| 1480 | pr_debug("%s: system suspend\n", __func__); |
| 1481 | return 0; |
| 1482 | } |
| 1483 | |
| 1484 | static int wsa881x_i2c_resume(struct device *dev) |
| 1485 | { |
| 1486 | pr_debug("%s: system resume\n", __func__); |
| 1487 | return 0; |
| 1488 | } |
| 1489 | |
| 1490 | static const struct dev_pm_ops wsa881x_i2c_pm_ops = { |
| 1491 | SET_SYSTEM_SLEEP_PM_OPS(wsa881x_i2c_suspend, wsa881x_i2c_resume) |
| 1492 | }; |
| 1493 | #endif /* CONFIG_PM_SLEEP */ |
| 1494 | |
| 1495 | static const struct i2c_device_id wsa881x_i2c_id[] = { |
| 1496 | {"wsa881x-i2c-dev", WSA881X_I2C_SPK0_SLAVE0_ADDR}, |
| 1497 | {"wsa881x-i2c-dev", WSA881X_I2C_SPK0_SLAVE1_ADDR}, |
| 1498 | {"wsa881x-i2c-dev", WSA881X_I2C_SPK1_SLAVE0_ADDR}, |
| 1499 | {"wsa881x-i2c-dev", WSA881X_I2C_SPK1_SLAVE1_ADDR}, |
| 1500 | {} |
| 1501 | }; |
| 1502 | |
| 1503 | MODULE_DEVICE_TABLE(i2c, wsa881x_i2c_id); |
| 1504 | |
| 1505 | |
| 1506 | static const struct of_device_id msm_match_table[] = { |
| 1507 | {.compatible = "qcom,wsa881x-i2c-codec"}, |
| 1508 | {} |
| 1509 | }; |
| 1510 | MODULE_DEVICE_TABLE(of, msm_match_table); |
| 1511 | |
| 1512 | static struct i2c_driver wsa881x_codec_driver = { |
| 1513 | .driver = { |
| 1514 | .name = "wsa881x-i2c-codec", |
| 1515 | .owner = THIS_MODULE, |
| 1516 | .probe_type = PROBE_PREFER_ASYNCHRONOUS, |
| 1517 | #ifdef CONFIG_PM_SLEEP |
| 1518 | .pm = &wsa881x_i2c_pm_ops, |
| 1519 | #endif |
| 1520 | .of_match_table = msm_match_table, |
| 1521 | }, |
| 1522 | .id_table = wsa881x_i2c_id, |
| 1523 | .probe = wsa881x_i2c_probe, |
| 1524 | .remove = wsa881x_i2c_remove, |
| 1525 | }; |
| 1526 | |
| 1527 | static int __init wsa881x_codec_init(void) |
| 1528 | { |
| 1529 | int i = 0; |
| 1530 | |
| 1531 | for (i = 0; i < MAX_WSA881X_DEVICE; i++) |
| 1532 | wsa_pdata[i].status = WSA881X_STATUS_PROBING; |
| 1533 | return i2c_add_driver(&wsa881x_codec_driver); |
| 1534 | } |
| 1535 | module_init(wsa881x_codec_init); |
| 1536 | |
| 1537 | static void __exit wsa881x_codec_exit(void) |
| 1538 | { |
| 1539 | i2c_del_driver(&wsa881x_codec_driver); |
| 1540 | } |
| 1541 | |
| 1542 | module_exit(wsa881x_codec_exit); |
| 1543 | |
| 1544 | MODULE_DESCRIPTION("WSA881x Codec driver"); |
| 1545 | MODULE_LICENSE("GPL v2"); |