Meng Wang | 43bbb87 | 2018-12-10 12:32:05 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2 | /* |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 3 | * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | #include <linux/module.h> |
| 7 | #include <linux/init.h> |
| 8 | #include <linux/slab.h> |
| 9 | #include <linux/platform_device.h> |
| 10 | #include <linux/device.h> |
| 11 | #include <linux/printk.h> |
| 12 | #include <linux/bitops.h> |
| 13 | #include <linux/regulator/consumer.h> |
| 14 | #include <linux/pm_runtime.h> |
| 15 | #include <linux/delay.h> |
| 16 | #include <linux/kernel.h> |
| 17 | #include <linux/gpio.h> |
| 18 | #include <linux/of_gpio.h> |
| 19 | #include <linux/regmap.h> |
| 20 | #include <linux/debugfs.h> |
Laxminath Kasam | 605b42f | 2017-08-01 22:02:15 +0530 | [diff] [blame] | 21 | #include <soc/soundwire.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 22 | #include <sound/pcm.h> |
| 23 | #include <sound/pcm_params.h> |
| 24 | #include <sound/soc.h> |
| 25 | #include <sound/soc-dapm.h> |
| 26 | #include <sound/tlv.h> |
Laxminath Kasam | 605b42f | 2017-08-01 22:02:15 +0530 | [diff] [blame] | 27 | #include "msm-cdc-pinctrl.h" |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 28 | #include "wsa881x.h" |
| 29 | #include "wsa881x-temp-sensor.h" |
| 30 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 31 | #define DRV_NAME "wsa-codec" |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 32 | #define WSA881X_NUM_RETRY 5 |
| 33 | |
| 34 | enum { |
| 35 | G_18DB = 0, |
| 36 | G_16P5DB, |
| 37 | G_15DB, |
| 38 | G_13P5DB, |
| 39 | G_12DB, |
| 40 | G_10P5DB, |
| 41 | G_9DB, |
| 42 | G_7P5DB, |
| 43 | G_6DB, |
| 44 | G_4P5DB, |
| 45 | G_3DB, |
| 46 | G_1P5DB, |
| 47 | G_0DB, |
| 48 | }; |
| 49 | |
| 50 | enum { |
| 51 | DISABLE = 0, |
| 52 | ENABLE, |
| 53 | }; |
| 54 | |
| 55 | enum { |
| 56 | SWR_DAC_PORT, |
| 57 | SWR_COMP_PORT, |
| 58 | SWR_BOOST_PORT, |
| 59 | SWR_VISENSE_PORT, |
| 60 | }; |
| 61 | |
| 62 | struct swr_port { |
| 63 | u8 port_id; |
| 64 | u8 ch_mask; |
| 65 | u32 ch_rate; |
| 66 | u8 num_ch; |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 67 | u8 port_type; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 68 | }; |
| 69 | |
| 70 | enum { |
| 71 | WSA881X_DEV_DOWN, |
| 72 | WSA881X_DEV_UP, |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 73 | WSA881X_DEV_READY, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 74 | }; |
| 75 | |
| 76 | /* |
| 77 | * Private data Structure for wsa881x. All parameters related to |
| 78 | * WSA881X codec needs to be defined here. |
| 79 | */ |
| 80 | struct wsa881x_priv { |
| 81 | struct regmap *regmap; |
| 82 | struct device *dev; |
| 83 | struct swr_device *swr_slave; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 84 | struct snd_soc_component *component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 85 | bool comp_enable; |
| 86 | bool boost_enable; |
| 87 | bool visense_enable; |
| 88 | u8 pa_gain; |
| 89 | struct swr_port port[WSA881X_MAX_SWR_PORTS]; |
| 90 | int pd_gpio; |
| 91 | struct wsa881x_tz_priv tz_pdata; |
| 92 | int bg_cnt; |
| 93 | int clk_cnt; |
| 94 | int version; |
| 95 | struct mutex bg_lock; |
| 96 | struct mutex res_lock; |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 97 | struct mutex temp_lock; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 98 | struct snd_info_entry *entry; |
| 99 | struct snd_info_entry *version_entry; |
| 100 | int state; |
| 101 | struct delayed_work ocp_ctl_work; |
| 102 | struct device_node *wsa_rst_np; |
| 103 | int pa_mute; |
| 104 | }; |
| 105 | |
| 106 | #define SWR_SLV_MAX_REG_ADDR 0x390 |
| 107 | #define SWR_SLV_START_REG_ADDR 0x40 |
| 108 | #define SWR_SLV_MAX_BUF_LEN 20 |
| 109 | #define BYTES_PER_LINE 12 |
| 110 | #define SWR_SLV_RD_BUF_LEN 8 |
| 111 | #define SWR_SLV_WR_BUF_LEN 32 |
| 112 | #define SWR_SLV_MAX_DEVICES 2 |
| 113 | |
| 114 | #define WSA881X_VERSION_ENTRY_SIZE 27 |
| 115 | #define WSA881X_OCP_CTL_TIMER_SEC 2 |
| 116 | #define WSA881X_OCP_CTL_TEMP_CELSIUS 25 |
| 117 | #define WSA881X_OCP_CTL_POLL_TIMER_SEC 60 |
| 118 | |
| 119 | static int wsa881x_ocp_poll_timer_sec = WSA881X_OCP_CTL_POLL_TIMER_SEC; |
| 120 | module_param(wsa881x_ocp_poll_timer_sec, int, 0664); |
| 121 | MODULE_PARM_DESC(wsa881x_ocp_poll_timer_sec, "timer for ocp ctl polling"); |
| 122 | |
| 123 | static struct wsa881x_priv *dbgwsa881x; |
| 124 | static struct dentry *debugfs_wsa881x_dent; |
| 125 | static struct dentry *debugfs_peek; |
| 126 | static struct dentry *debugfs_poke; |
| 127 | static struct dentry *debugfs_reg_dump; |
| 128 | static unsigned int read_data; |
| 129 | static unsigned int devnum; |
| 130 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 131 | static int32_t wsa881x_resource_acquire(struct snd_soc_component *component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 132 | bool enable); |
| 133 | |
| 134 | static const char * const wsa_pa_gain_text[] = { |
| 135 | "G_18_DB", "G_16P5_DB", "G_15_DB", "G_13P5_DB", "G_12_DB", "G_10P5_DB", |
| 136 | "G_9_DB", "G_7P5_DB", "G_6_DB", "G_4P5_DB", "G_3_DB", "G_1P5_DB", |
| 137 | "G_0_DB" |
| 138 | }; |
| 139 | |
| 140 | static const struct soc_enum wsa_pa_gain_enum = |
| 141 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(wsa_pa_gain_text), wsa_pa_gain_text); |
| 142 | |
| 143 | static int wsa_pa_gain_get(struct snd_kcontrol *kcontrol, |
| 144 | struct snd_ctl_elem_value *ucontrol) |
| 145 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 146 | struct snd_soc_component *component = |
| 147 | snd_soc_kcontrol_component(kcontrol); |
| 148 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 149 | |
| 150 | ucontrol->value.integer.value[0] = wsa881x->pa_gain; |
| 151 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 152 | dev_dbg(component->dev, "%s: PA gain = 0x%x\n", __func__, |
| 153 | wsa881x->pa_gain); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 154 | |
| 155 | return 0; |
| 156 | } |
| 157 | |
| 158 | static int wsa_pa_gain_put(struct snd_kcontrol *kcontrol, |
| 159 | struct snd_ctl_elem_value *ucontrol) |
| 160 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 161 | struct snd_soc_component *component = |
| 162 | snd_soc_kcontrol_component(kcontrol); |
| 163 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 164 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 165 | dev_dbg(component->dev, "%s: ucontrol->value.integer.value[0] = %ld\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 166 | __func__, ucontrol->value.integer.value[0]); |
| 167 | |
| 168 | wsa881x->pa_gain = ucontrol->value.integer.value[0]; |
| 169 | |
| 170 | return 0; |
| 171 | } |
| 172 | |
| 173 | static int wsa881x_get_mute(struct snd_kcontrol *kcontrol, |
| 174 | struct snd_ctl_elem_value *ucontrol) |
| 175 | { |
| 176 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 177 | struct snd_soc_component *component = |
| 178 | snd_soc_kcontrol_component(kcontrol); |
| 179 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 180 | |
| 181 | ucontrol->value.integer.value[0] = wsa881x->pa_mute; |
| 182 | |
| 183 | return 0; |
| 184 | } |
| 185 | |
| 186 | static int wsa881x_set_mute(struct snd_kcontrol *kcontrol, |
| 187 | struct snd_ctl_elem_value *ucontrol) |
| 188 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 189 | struct snd_soc_component *component = |
| 190 | snd_soc_kcontrol_component(kcontrol); |
| 191 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 192 | int value = ucontrol->value.integer.value[0]; |
| 193 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 194 | dev_dbg(component->dev, "%s: mute current %d, new %d\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 195 | __func__, wsa881x->pa_mute, value); |
| 196 | |
| 197 | if (value) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 198 | snd_soc_component_update_bits(component, WSA881X_SPKR_DRV_EN, |
| 199 | 0x80, 0x00); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 200 | wsa881x->pa_mute = value; |
| 201 | |
| 202 | return 0; |
| 203 | } |
| 204 | |
Sudheer Papothi | c9dd3be | 2018-04-06 00:51:48 +0530 | [diff] [blame] | 205 | static int wsa881x_get_t0_init(struct snd_kcontrol *kcontrol, |
| 206 | struct snd_ctl_elem_value *ucontrol) |
| 207 | { |
| 208 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 209 | struct snd_soc_component *component = |
| 210 | snd_soc_kcontrol_component(kcontrol); |
| 211 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Sudheer Papothi | c9dd3be | 2018-04-06 00:51:48 +0530 | [diff] [blame] | 212 | struct wsa881x_tz_priv *pdata = &wsa881x->tz_pdata; |
| 213 | |
| 214 | ucontrol->value.integer.value[0] = pdata->t0_init; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 215 | dev_dbg(component->dev, "%s: t0 init %d\n", __func__, pdata->t0_init); |
Sudheer Papothi | c9dd3be | 2018-04-06 00:51:48 +0530 | [diff] [blame] | 216 | |
| 217 | return 0; |
| 218 | } |
| 219 | |
| 220 | static int wsa881x_set_t0_init(struct snd_kcontrol *kcontrol, |
| 221 | struct snd_ctl_elem_value *ucontrol) |
| 222 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 223 | struct snd_soc_component *component = |
| 224 | snd_soc_kcontrol_component(kcontrol); |
| 225 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Sudheer Papothi | c9dd3be | 2018-04-06 00:51:48 +0530 | [diff] [blame] | 226 | struct wsa881x_tz_priv *pdata = &wsa881x->tz_pdata; |
| 227 | |
| 228 | pdata->t0_init = ucontrol->value.integer.value[0]; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 229 | dev_dbg(component->dev, "%s: t0 init %d\n", __func__, pdata->t0_init); |
Sudheer Papothi | c9dd3be | 2018-04-06 00:51:48 +0530 | [diff] [blame] | 230 | |
| 231 | return 0; |
| 232 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 233 | |
| 234 | static const struct snd_kcontrol_new wsa_snd_controls[] = { |
| 235 | SOC_ENUM_EXT("WSA PA Gain", wsa_pa_gain_enum, |
| 236 | wsa_pa_gain_get, wsa_pa_gain_put), |
| 237 | SOC_SINGLE_EXT("WSA PA Mute", SND_SOC_NOPM, 0, 1, 0, |
| 238 | wsa881x_get_mute, wsa881x_set_mute), |
Sudheer Papothi | c9dd3be | 2018-04-06 00:51:48 +0530 | [diff] [blame] | 239 | SOC_SINGLE_EXT("WSA T0 Init", SND_SOC_NOPM, 0, 1, 0, |
| 240 | wsa881x_get_t0_init, wsa881x_set_t0_init), |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 241 | }; |
| 242 | |
| 243 | static int codec_debug_open(struct inode *inode, struct file *file) |
| 244 | { |
| 245 | file->private_data = inode->i_private; |
| 246 | return 0; |
| 247 | } |
| 248 | |
| 249 | static int get_parameters(char *buf, u32 *param1, int num_of_par) |
| 250 | { |
| 251 | char *token; |
| 252 | int base, cnt; |
| 253 | |
| 254 | token = strsep(&buf, " "); |
| 255 | for (cnt = 0; cnt < num_of_par; cnt++) { |
| 256 | if (token) { |
| 257 | if ((token[1] == 'x') || (token[1] == 'X')) |
| 258 | base = 16; |
| 259 | else |
| 260 | base = 10; |
| 261 | |
| 262 | if (kstrtou32(token, base, ¶m1[cnt]) != 0) |
| 263 | return -EINVAL; |
| 264 | |
| 265 | token = strsep(&buf, " "); |
| 266 | } else |
| 267 | return -EINVAL; |
| 268 | } |
| 269 | return 0; |
| 270 | } |
| 271 | |
| 272 | static ssize_t wsa881x_codec_version_read(struct snd_info_entry *entry, |
| 273 | void *file_private_data, struct file *file, |
| 274 | char __user *buf, size_t count, loff_t pos) |
| 275 | { |
| 276 | struct wsa881x_priv *wsa881x; |
| 277 | char buffer[WSA881X_VERSION_ENTRY_SIZE]; |
| 278 | int len; |
| 279 | |
| 280 | wsa881x = (struct wsa881x_priv *) entry->private_data; |
| 281 | if (!wsa881x) { |
| 282 | pr_err("%s: wsa881x priv is null\n", __func__); |
| 283 | return -EINVAL; |
| 284 | } |
| 285 | |
| 286 | len = snprintf(buffer, sizeof(buffer), "WSA881X-SOUNDWIRE_2_0\n"); |
| 287 | |
| 288 | return simple_read_from_buffer(buf, count, &pos, buffer, len); |
| 289 | } |
| 290 | |
| 291 | static struct snd_info_entry_ops wsa881x_codec_info_ops = { |
| 292 | .read = wsa881x_codec_version_read, |
| 293 | }; |
| 294 | |
| 295 | /* |
| 296 | * wsa881x_codec_info_create_codec_entry - creates wsa881x module |
| 297 | * @codec_root: The parent directory |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 298 | * @component: Codec instance |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 299 | * |
| 300 | * Creates wsa881x module and version entry under the given |
| 301 | * parent directory. |
| 302 | * |
| 303 | * Return: 0 on success or negative error code on failure. |
| 304 | */ |
| 305 | int wsa881x_codec_info_create_codec_entry(struct snd_info_entry *codec_root, |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 306 | struct snd_soc_component *component) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 307 | { |
| 308 | struct snd_info_entry *version_entry; |
| 309 | struct wsa881x_priv *wsa881x; |
| 310 | struct snd_soc_card *card; |
| 311 | char name[80]; |
| 312 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 313 | if (!codec_root || !component) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 314 | return -EINVAL; |
| 315 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 316 | wsa881x = snd_soc_component_get_drvdata(component); |
| 317 | card = component->card; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 318 | snprintf(name, sizeof(name), "%s.%x", "wsa881x", |
| 319 | (u32)wsa881x->swr_slave->addr); |
| 320 | |
| 321 | wsa881x->entry = snd_info_create_subdir(codec_root->module, |
| 322 | (const char *)name, |
| 323 | codec_root); |
| 324 | if (!wsa881x->entry) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 325 | dev_dbg(component->dev, "%s: failed to create wsa881x entry\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 326 | __func__); |
| 327 | return -ENOMEM; |
| 328 | } |
| 329 | |
| 330 | version_entry = snd_info_create_card_entry(card->snd_card, |
| 331 | "version", |
| 332 | wsa881x->entry); |
| 333 | if (!version_entry) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 334 | dev_dbg(component->dev, "%s: failed to create wsa881x version entry\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 335 | __func__); |
| 336 | return -ENOMEM; |
| 337 | } |
| 338 | |
| 339 | version_entry->private_data = wsa881x; |
| 340 | version_entry->size = WSA881X_VERSION_ENTRY_SIZE; |
| 341 | version_entry->content = SNDRV_INFO_CONTENT_DATA; |
| 342 | version_entry->c.ops = &wsa881x_codec_info_ops; |
| 343 | |
| 344 | if (snd_info_register(version_entry) < 0) { |
| 345 | snd_info_free_entry(version_entry); |
| 346 | return -ENOMEM; |
| 347 | } |
| 348 | wsa881x->version_entry = version_entry; |
| 349 | |
| 350 | return 0; |
| 351 | } |
| 352 | EXPORT_SYMBOL(wsa881x_codec_info_create_codec_entry); |
| 353 | |
| 354 | static bool is_swr_slv_reg_readable(int reg) |
| 355 | { |
| 356 | bool ret = true; |
| 357 | |
| 358 | if (((reg > 0x46) && (reg < 0x4A)) || |
| 359 | ((reg > 0x4A) && (reg < 0x50)) || |
| 360 | ((reg > 0x55) && (reg < 0xE0)) || |
| 361 | ((reg > 0xE0) && (reg < 0xF0)) || |
| 362 | ((reg > 0xF0) && (reg < 0x100)) || |
| 363 | ((reg > 0x105) && (reg < 0x120)) || |
| 364 | ((reg > 0x128) && (reg < 0x130)) || |
| 365 | ((reg > 0x138) && (reg < 0x200)) || |
| 366 | ((reg > 0x205) && (reg < 0x220)) || |
| 367 | ((reg > 0x228) && (reg < 0x230)) || |
| 368 | ((reg > 0x238) && (reg < 0x300)) || |
| 369 | ((reg > 0x305) && (reg < 0x320)) || |
| 370 | ((reg > 0x328) && (reg < 0x330)) || |
| 371 | ((reg > 0x338) && (reg < 0x400)) || |
| 372 | ((reg > 0x405) && (reg < 0x420))) |
| 373 | ret = false; |
| 374 | |
| 375 | return ret; |
| 376 | } |
| 377 | |
| 378 | static ssize_t wsa881x_swrslave_reg_show(char __user *ubuf, size_t count, |
| 379 | loff_t *ppos) |
| 380 | { |
| 381 | int i, reg_val, len; |
| 382 | ssize_t total = 0; |
| 383 | char tmp_buf[SWR_SLV_MAX_BUF_LEN]; |
| 384 | |
| 385 | if (!ubuf || !ppos || (devnum == 0)) |
| 386 | return 0; |
| 387 | |
| 388 | for (i = (((int) *ppos / BYTES_PER_LINE) + SWR_SLV_START_REG_ADDR); |
| 389 | i <= SWR_SLV_MAX_REG_ADDR; i++) { |
| 390 | if (!is_swr_slv_reg_readable(i)) |
| 391 | continue; |
| 392 | swr_read(dbgwsa881x->swr_slave, devnum, |
| 393 | i, ®_val, 1); |
| 394 | len = snprintf(tmp_buf, 25, "0x%.3x: 0x%.2x\n", i, |
| 395 | (reg_val & 0xFF)); |
| 396 | if ((total + len) >= count - 1) |
| 397 | break; |
| 398 | if (copy_to_user((ubuf + total), tmp_buf, len)) { |
| 399 | pr_err("%s: fail to copy reg dump\n", __func__); |
| 400 | total = -EFAULT; |
| 401 | goto copy_err; |
| 402 | } |
| 403 | *ppos += len; |
| 404 | total += len; |
| 405 | } |
| 406 | |
| 407 | copy_err: |
| 408 | return total; |
| 409 | } |
| 410 | |
| 411 | static ssize_t codec_debug_read(struct file *file, char __user *ubuf, |
| 412 | size_t count, loff_t *ppos) |
| 413 | { |
| 414 | char lbuf[SWR_SLV_RD_BUF_LEN]; |
| 415 | char *access_str; |
| 416 | ssize_t ret_cnt; |
| 417 | |
| 418 | if (!count || !file || !ppos || !ubuf) |
| 419 | return -EINVAL; |
| 420 | |
| 421 | access_str = file->private_data; |
| 422 | if (*ppos < 0) |
| 423 | return -EINVAL; |
| 424 | |
| 425 | if (!strcmp(access_str, "swrslave_peek")) { |
| 426 | snprintf(lbuf, sizeof(lbuf), "0x%x\n", (read_data & 0xFF)); |
| 427 | ret_cnt = simple_read_from_buffer(ubuf, count, ppos, lbuf, |
| 428 | strnlen(lbuf, 7)); |
| 429 | } else if (!strcmp(access_str, "swrslave_reg_dump")) { |
| 430 | ret_cnt = wsa881x_swrslave_reg_show(ubuf, count, ppos); |
| 431 | } else { |
| 432 | pr_err("%s: %s not permitted to read\n", __func__, access_str); |
| 433 | ret_cnt = -EPERM; |
| 434 | } |
| 435 | return ret_cnt; |
| 436 | } |
| 437 | |
| 438 | static ssize_t codec_debug_write(struct file *filp, |
| 439 | const char __user *ubuf, size_t cnt, loff_t *ppos) |
| 440 | { |
| 441 | char lbuf[SWR_SLV_WR_BUF_LEN]; |
| 442 | int rc; |
| 443 | u32 param[5]; |
| 444 | char *access_str; |
| 445 | |
| 446 | if (!filp || !ppos || !ubuf) |
| 447 | return -EINVAL; |
| 448 | |
| 449 | access_str = filp->private_data; |
| 450 | if (cnt > sizeof(lbuf) - 1) |
| 451 | return -EINVAL; |
| 452 | |
| 453 | rc = copy_from_user(lbuf, ubuf, cnt); |
| 454 | if (rc) |
| 455 | return -EFAULT; |
| 456 | |
| 457 | lbuf[cnt] = '\0'; |
| 458 | if (!strcmp(access_str, "swrslave_poke")) { |
| 459 | /* write */ |
| 460 | rc = get_parameters(lbuf, param, 3); |
| 461 | if ((param[0] <= SWR_SLV_MAX_REG_ADDR) && (param[1] <= 0xFF) && |
| 462 | (rc == 0)) |
| 463 | swr_write(dbgwsa881x->swr_slave, param[2], |
| 464 | param[0], ¶m[1]); |
| 465 | else |
| 466 | rc = -EINVAL; |
| 467 | } else if (!strcmp(access_str, "swrslave_peek")) { |
| 468 | /* read */ |
| 469 | rc = get_parameters(lbuf, param, 2); |
| 470 | if ((param[0] <= SWR_SLV_MAX_REG_ADDR) && (rc == 0)) |
| 471 | swr_read(dbgwsa881x->swr_slave, param[1], |
| 472 | param[0], &read_data, 1); |
| 473 | else |
| 474 | rc = -EINVAL; |
| 475 | } else if (!strcmp(access_str, "swrslave_reg_dump")) { |
| 476 | /* reg dump */ |
| 477 | rc = get_parameters(lbuf, param, 1); |
| 478 | if ((rc == 0) && (param[0] > 0) && |
| 479 | (param[0] <= SWR_SLV_MAX_DEVICES)) |
| 480 | devnum = param[0]; |
| 481 | else |
| 482 | rc = -EINVAL; |
| 483 | } |
| 484 | if (rc == 0) |
| 485 | rc = cnt; |
| 486 | else |
| 487 | pr_err("%s: rc = %d\n", __func__, rc); |
| 488 | |
| 489 | return rc; |
| 490 | } |
| 491 | |
| 492 | static const struct file_operations codec_debug_ops = { |
| 493 | .open = codec_debug_open, |
| 494 | .write = codec_debug_write, |
| 495 | .read = codec_debug_read, |
| 496 | }; |
| 497 | |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 498 | static void wsa881x_regcache_sync(struct wsa881x_priv *wsa881x) |
| 499 | { |
| 500 | mutex_lock(&wsa881x->res_lock); |
| 501 | if (wsa881x->state != WSA881X_DEV_READY) { |
| 502 | regcache_mark_dirty(wsa881x->regmap); |
| 503 | regcache_sync(wsa881x->regmap); |
| 504 | wsa881x->state = WSA881X_DEV_READY; |
| 505 | } |
| 506 | mutex_unlock(&wsa881x->res_lock); |
| 507 | } |
| 508 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 509 | static const struct reg_sequence wsa881x_pre_pmu_pa[] = { |
| 510 | {WSA881X_SPKR_DRV_GAIN, 0x41, 0}, |
| 511 | {WSA881X_SPKR_MISC_CTL1, 0x01, 0}, |
| 512 | {WSA881X_ADC_EN_DET_TEST_I, 0x01, 0}, |
| 513 | {WSA881X_ADC_EN_MODU_V, 0x02, 0}, |
| 514 | {WSA881X_ADC_EN_DET_TEST_V, 0x10, 0}, |
| 515 | {WSA881X_SPKR_PWRSTG_DBG, 0xA0, 0}, |
| 516 | }; |
| 517 | |
| 518 | static const struct reg_sequence wsa881x_pre_pmu_pa_2_0[] = { |
| 519 | {WSA881X_SPKR_DRV_GAIN, 0x41, 0}, |
| 520 | {WSA881X_SPKR_MISC_CTL1, 0x87, 0}, |
| 521 | }; |
| 522 | |
| 523 | static const struct reg_sequence wsa881x_post_pmu_pa[] = { |
| 524 | {WSA881X_SPKR_PWRSTG_DBG, 0x00, 0}, |
| 525 | {WSA881X_ADC_EN_DET_TEST_V, 0x00, 0}, |
| 526 | {WSA881X_ADC_EN_MODU_V, 0x00, 0}, |
| 527 | {WSA881X_ADC_EN_DET_TEST_I, 0x00, 0}, |
| 528 | }; |
| 529 | |
| 530 | static const struct reg_sequence wsa881x_vi_txfe_en[] = { |
| 531 | {WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x85, 0}, |
| 532 | {WSA881X_SPKR_PROT_ATEST2, 0x0A, 0}, |
| 533 | {WSA881X_SPKR_PROT_FE_GAIN, 0xCF, 0}, |
| 534 | }; |
| 535 | |
| 536 | static const struct reg_sequence wsa881x_vi_txfe_en_2_0[] = { |
| 537 | {WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x85, 0}, |
| 538 | {WSA881X_SPKR_PROT_ATEST2, 0x0A, 0}, |
| 539 | {WSA881X_SPKR_PROT_FE_GAIN, 0x47, 0}, |
| 540 | }; |
| 541 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 542 | static int wsa881x_boost_ctrl(struct snd_soc_component *component, bool enable) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 543 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 544 | dev_dbg(component->dev, "%s: enable:%d\n", __func__, enable); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 545 | if (enable) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 546 | snd_soc_component_update_bits(component, WSA881X_BOOST_EN_CTL, |
| 547 | 0x80, 0x80); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 548 | else |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 549 | snd_soc_component_update_bits(component, WSA881X_BOOST_EN_CTL, |
| 550 | 0x80, 0x00); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 551 | /* |
| 552 | * 1.5ms sleep is needed after boost enable/disable as per |
| 553 | * HW requirement |
| 554 | */ |
| 555 | usleep_range(1500, 1510); |
| 556 | return 0; |
| 557 | } |
| 558 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 559 | static int wsa881x_visense_txfe_ctrl(struct snd_soc_component *component, |
| 560 | bool enable, u8 isense1_gain, |
| 561 | u8 isense2_gain, u8 vsense_gain) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 562 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 563 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 564 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 565 | dev_dbg(component->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 566 | "%s: enable:%d, isense1 gain: %d, isense2 gain: %d, vsense_gain %d\n", |
| 567 | __func__, enable, isense1_gain, isense2_gain, vsense_gain); |
| 568 | |
| 569 | if (enable) { |
| 570 | regmap_multi_reg_write(wsa881x->regmap, |
| 571 | wsa881x_vi_txfe_en_2_0, |
| 572 | ARRAY_SIZE(wsa881x_vi_txfe_en_2_0)); |
| 573 | } else { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 574 | snd_soc_component_update_bits(component, |
| 575 | WSA881X_SPKR_PROT_FE_VSENSE_VCM, |
| 576 | 0x08, 0x08); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 577 | /* |
| 578 | * 200us sleep is needed after visense txfe disable as per |
| 579 | * HW requirement. |
| 580 | */ |
| 581 | usleep_range(200, 210); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 582 | snd_soc_component_update_bits(component, |
| 583 | WSA881X_SPKR_PROT_FE_GAIN, |
| 584 | 0x01, 0x00); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 585 | } |
| 586 | return 0; |
| 587 | } |
| 588 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 589 | static int wsa881x_visense_adc_ctrl(struct snd_soc_component *component, |
| 590 | bool enable) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 591 | { |
| 592 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 593 | dev_dbg(component->dev, "%s: enable:%d\n", __func__, enable); |
| 594 | snd_soc_component_update_bits(component, WSA881X_ADC_EN_MODU_V, |
| 595 | (0x01 << 7), (enable << 7)); |
| 596 | snd_soc_component_update_bits(component, WSA881X_ADC_EN_MODU_I, |
| 597 | (0x01 << 7), (enable << 7)); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 598 | return 0; |
| 599 | } |
| 600 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 601 | static void wsa881x_bandgap_ctrl(struct snd_soc_component *component, |
| 602 | bool enable) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 603 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 604 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 605 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 606 | dev_dbg(component->dev, "%s: enable:%d, bg_count:%d\n", __func__, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 607 | enable, wsa881x->bg_cnt); |
| 608 | mutex_lock(&wsa881x->bg_lock); |
| 609 | if (enable) { |
| 610 | ++wsa881x->bg_cnt; |
| 611 | if (wsa881x->bg_cnt == 1) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 612 | snd_soc_component_update_bits(component, |
| 613 | WSA881X_TEMP_OP, |
| 614 | 0x08, 0x08); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 615 | /* 400usec sleep is needed as per HW requirement */ |
| 616 | usleep_range(400, 410); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 617 | snd_soc_component_update_bits(component, |
| 618 | WSA881X_TEMP_OP, |
| 619 | 0x04, 0x04); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 620 | } |
| 621 | } else { |
| 622 | --wsa881x->bg_cnt; |
| 623 | if (wsa881x->bg_cnt <= 0) { |
| 624 | WARN_ON(wsa881x->bg_cnt < 0); |
| 625 | wsa881x->bg_cnt = 0; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 626 | snd_soc_component_update_bits(component, |
| 627 | WSA881X_TEMP_OP, 0x04, 0x00); |
| 628 | snd_soc_component_update_bits(component, |
| 629 | WSA881X_TEMP_OP, 0x08, 0x00); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 630 | } |
| 631 | } |
| 632 | mutex_unlock(&wsa881x->bg_lock); |
| 633 | } |
| 634 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 635 | static void wsa881x_clk_ctrl(struct snd_soc_component *component, bool enable) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 636 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 637 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 638 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 639 | dev_dbg(component->dev, "%s: enable:%d, clk_count:%d\n", __func__, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 640 | enable, wsa881x->clk_cnt); |
| 641 | mutex_lock(&wsa881x->res_lock); |
| 642 | if (enable) { |
| 643 | ++wsa881x->clk_cnt; |
| 644 | if (wsa881x->clk_cnt == 1) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 645 | snd_soc_component_write(component, |
| 646 | WSA881X_CDC_DIG_CLK_CTL, 0x01); |
| 647 | snd_soc_component_write(component, |
| 648 | WSA881X_CDC_ANA_CLK_CTL, 0x01); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 649 | } |
| 650 | } else { |
| 651 | --wsa881x->clk_cnt; |
| 652 | if (wsa881x->clk_cnt <= 0) { |
| 653 | WARN_ON(wsa881x->clk_cnt < 0); |
| 654 | wsa881x->clk_cnt = 0; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 655 | snd_soc_component_write(component, |
| 656 | WSA881X_CDC_DIG_CLK_CTL, 0x00); |
| 657 | snd_soc_component_write(component, |
| 658 | WSA881X_CDC_ANA_CLK_CTL, 0x00); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 659 | } |
| 660 | } |
| 661 | mutex_unlock(&wsa881x->res_lock); |
| 662 | } |
| 663 | |
| 664 | static int wsa881x_get_compander(struct snd_kcontrol *kcontrol, |
| 665 | struct snd_ctl_elem_value *ucontrol) |
| 666 | { |
| 667 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 668 | struct snd_soc_component *component = |
| 669 | snd_soc_kcontrol_component(kcontrol); |
| 670 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 671 | |
| 672 | ucontrol->value.integer.value[0] = wsa881x->comp_enable; |
| 673 | return 0; |
| 674 | } |
| 675 | |
| 676 | static int wsa881x_set_compander(struct snd_kcontrol *kcontrol, |
| 677 | struct snd_ctl_elem_value *ucontrol) |
| 678 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 679 | struct snd_soc_component *component = |
| 680 | snd_soc_kcontrol_component(kcontrol); |
| 681 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 682 | int value = ucontrol->value.integer.value[0]; |
| 683 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 684 | dev_dbg(component->dev, "%s: Compander enable current %d, new %d\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 685 | __func__, wsa881x->comp_enable, value); |
| 686 | wsa881x->comp_enable = value; |
| 687 | return 0; |
| 688 | } |
| 689 | |
| 690 | static int wsa881x_get_boost(struct snd_kcontrol *kcontrol, |
| 691 | struct snd_ctl_elem_value *ucontrol) |
| 692 | { |
| 693 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 694 | struct snd_soc_component *component = |
| 695 | snd_soc_kcontrol_component(kcontrol); |
| 696 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 697 | |
| 698 | ucontrol->value.integer.value[0] = wsa881x->boost_enable; |
| 699 | return 0; |
| 700 | } |
| 701 | |
| 702 | static int wsa881x_set_boost(struct snd_kcontrol *kcontrol, |
| 703 | struct snd_ctl_elem_value *ucontrol) |
| 704 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 705 | struct snd_soc_component *component = |
| 706 | snd_soc_kcontrol_component(kcontrol); |
| 707 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 708 | int value = ucontrol->value.integer.value[0]; |
| 709 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 710 | dev_dbg(component->dev, "%s: Boost enable current %d, new %d\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 711 | __func__, wsa881x->boost_enable, value); |
| 712 | wsa881x->boost_enable = value; |
| 713 | return 0; |
| 714 | } |
| 715 | |
| 716 | static int wsa881x_get_visense(struct snd_kcontrol *kcontrol, |
| 717 | struct snd_ctl_elem_value *ucontrol) |
| 718 | { |
| 719 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 720 | struct snd_soc_component *component = |
| 721 | snd_soc_kcontrol_component(kcontrol); |
| 722 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 723 | |
| 724 | ucontrol->value.integer.value[0] = wsa881x->visense_enable; |
| 725 | return 0; |
| 726 | } |
| 727 | |
| 728 | static int wsa881x_set_visense(struct snd_kcontrol *kcontrol, |
| 729 | struct snd_ctl_elem_value *ucontrol) |
| 730 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 731 | struct snd_soc_component *component = |
| 732 | snd_soc_kcontrol_component(kcontrol); |
| 733 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 734 | int value = ucontrol->value.integer.value[0]; |
| 735 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 736 | dev_dbg(component->dev, "%s: VIsense enable current %d, new %d\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 737 | __func__, wsa881x->visense_enable, value); |
| 738 | wsa881x->visense_enable = value; |
| 739 | return 0; |
| 740 | } |
| 741 | |
Xiaojun Sang | fa21d8c | 2017-09-22 17:05:02 +0800 | [diff] [blame] | 742 | static int wsa881x_set_boost_level(struct snd_kcontrol *kcontrol, |
| 743 | struct snd_ctl_elem_value *ucontrol) |
| 744 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 745 | struct snd_soc_component *component = |
| 746 | snd_soc_kcontrol_component(kcontrol); |
Xiaojun Sang | fa21d8c | 2017-09-22 17:05:02 +0800 | [diff] [blame] | 747 | u8 wsa_boost_level = 0; |
| 748 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 749 | dev_dbg(component->dev, "%s: ucontrol->value.integer.value[0] = %ld\n", |
Xiaojun Sang | fa21d8c | 2017-09-22 17:05:02 +0800 | [diff] [blame] | 750 | __func__, ucontrol->value.integer.value[0]); |
| 751 | |
| 752 | wsa_boost_level = ucontrol->value.integer.value[0]; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 753 | snd_soc_component_update_bits(component, WSA881X_BOOST_PRESET_OUT1, |
Xiaojun Sang | fa21d8c | 2017-09-22 17:05:02 +0800 | [diff] [blame] | 754 | 0xff, wsa_boost_level); |
| 755 | |
| 756 | return 0; |
| 757 | } |
| 758 | |
| 759 | static int wsa881x_get_boost_level(struct snd_kcontrol *kcontrol, |
| 760 | struct snd_ctl_elem_value *ucontrol) |
| 761 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 762 | struct snd_soc_component *component = |
| 763 | snd_soc_kcontrol_component(kcontrol); |
Xiaojun Sang | fa21d8c | 2017-09-22 17:05:02 +0800 | [diff] [blame] | 764 | u8 wsa_boost_level = 0; |
| 765 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 766 | wsa_boost_level = snd_soc_component_read32(component, |
| 767 | WSA881X_BOOST_PRESET_OUT1); |
Xiaojun Sang | fa21d8c | 2017-09-22 17:05:02 +0800 | [diff] [blame] | 768 | ucontrol->value.integer.value[0] = wsa_boost_level; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 769 | dev_dbg(component->dev, "%s: boost level = 0x%x\n", __func__, |
Xiaojun Sang | fa21d8c | 2017-09-22 17:05:02 +0800 | [diff] [blame] | 770 | wsa_boost_level); |
| 771 | |
| 772 | return 0; |
| 773 | } |
| 774 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 775 | static const struct snd_kcontrol_new wsa881x_snd_controls[] = { |
| 776 | SOC_SINGLE_EXT("COMP Switch", SND_SOC_NOPM, 0, 1, 0, |
| 777 | wsa881x_get_compander, wsa881x_set_compander), |
| 778 | |
| 779 | SOC_SINGLE_EXT("BOOST Switch", SND_SOC_NOPM, 0, 1, 0, |
| 780 | wsa881x_get_boost, wsa881x_set_boost), |
| 781 | |
| 782 | SOC_SINGLE_EXT("VISENSE Switch", SND_SOC_NOPM, 0, 1, 0, |
| 783 | wsa881x_get_visense, wsa881x_set_visense), |
Xiaojun Sang | fa21d8c | 2017-09-22 17:05:02 +0800 | [diff] [blame] | 784 | |
| 785 | SOC_SINGLE_EXT("Boost Level", SND_SOC_NOPM, 0, 0xff, 0, |
| 786 | wsa881x_get_boost_level, wsa881x_set_boost_level), |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 787 | }; |
| 788 | |
| 789 | static const struct snd_kcontrol_new swr_dac_port[] = { |
| 790 | SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) |
| 791 | }; |
| 792 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 793 | static int wsa881x_set_port(struct snd_soc_component *component, int port_idx, |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 794 | u8 *port_id, u8 *num_ch, u8 *ch_mask, u32 *ch_rate, |
| 795 | u8 *port_type) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 796 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 797 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 798 | |
| 799 | *port_id = wsa881x->port[port_idx].port_id; |
| 800 | *num_ch = wsa881x->port[port_idx].num_ch; |
| 801 | *ch_mask = wsa881x->port[port_idx].ch_mask; |
| 802 | *ch_rate = wsa881x->port[port_idx].ch_rate; |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 803 | *port_type = wsa881x->port[port_idx].port_type; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 804 | return 0; |
| 805 | } |
| 806 | |
| 807 | static int wsa881x_enable_swr_dac_port(struct snd_soc_dapm_widget *w, |
| 808 | struct snd_kcontrol *kcontrol, int event) |
| 809 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 810 | struct snd_soc_component *component = |
| 811 | snd_soc_dapm_to_component(w->dapm); |
| 812 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 813 | u8 port_id[WSA881X_MAX_SWR_PORTS]; |
| 814 | u8 num_ch[WSA881X_MAX_SWR_PORTS]; |
| 815 | u8 ch_mask[WSA881X_MAX_SWR_PORTS]; |
| 816 | u32 ch_rate[WSA881X_MAX_SWR_PORTS]; |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 817 | u8 port_type[WSA881X_MAX_SWR_PORTS]; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 818 | u8 num_port = 0; |
| 819 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 820 | dev_dbg(component->dev, "%s: event %d name %s\n", __func__, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 821 | event, w->name); |
| 822 | if (wsa881x == NULL) |
| 823 | return -EINVAL; |
| 824 | |
| 825 | switch (event) { |
| 826 | case SND_SOC_DAPM_PRE_PMU: |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 827 | wsa881x_set_port(component, SWR_DAC_PORT, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 828 | &port_id[num_port], &num_ch[num_port], |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 829 | &ch_mask[num_port], &ch_rate[num_port], |
| 830 | &port_type[num_port]); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 831 | ++num_port; |
| 832 | |
| 833 | if (wsa881x->comp_enable) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 834 | wsa881x_set_port(component, SWR_COMP_PORT, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 835 | &port_id[num_port], &num_ch[num_port], |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 836 | &ch_mask[num_port], &ch_rate[num_port], |
| 837 | &port_type[num_port]); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 838 | ++num_port; |
| 839 | } |
| 840 | if (wsa881x->boost_enable) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 841 | wsa881x_set_port(component, SWR_BOOST_PORT, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 842 | &port_id[num_port], &num_ch[num_port], |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 843 | &ch_mask[num_port], &ch_rate[num_port], |
| 844 | &port_type[num_port]); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 845 | ++num_port; |
| 846 | } |
| 847 | if (wsa881x->visense_enable) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 848 | wsa881x_set_port(component, SWR_VISENSE_PORT, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 849 | &port_id[num_port], &num_ch[num_port], |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 850 | &ch_mask[num_port], &ch_rate[num_port], |
| 851 | &port_type[num_port]); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 852 | ++num_port; |
| 853 | } |
| 854 | swr_connect_port(wsa881x->swr_slave, &port_id[0], num_port, |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 855 | &ch_mask[0], &ch_rate[0], &num_ch[0], |
| 856 | &port_type[0]); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 857 | break; |
| 858 | case SND_SOC_DAPM_POST_PMU: |
| 859 | break; |
| 860 | case SND_SOC_DAPM_PRE_PMD: |
| 861 | break; |
| 862 | case SND_SOC_DAPM_POST_PMD: |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 863 | wsa881x_set_port(component, SWR_DAC_PORT, |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 864 | &port_id[num_port], &num_ch[num_port], |
| 865 | &ch_mask[num_port], &ch_rate[num_port], |
| 866 | &port_type[num_port]); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 867 | ++num_port; |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 868 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 869 | if (wsa881x->comp_enable) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 870 | wsa881x_set_port(component, SWR_COMP_PORT, |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 871 | &port_id[num_port], &num_ch[num_port], |
| 872 | &ch_mask[num_port], &ch_rate[num_port], |
| 873 | &port_type[num_port]); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 874 | ++num_port; |
| 875 | } |
| 876 | if (wsa881x->boost_enable) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 877 | wsa881x_set_port(component, SWR_BOOST_PORT, |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 878 | &port_id[num_port], &num_ch[num_port], |
| 879 | &ch_mask[num_port], &ch_rate[num_port], |
| 880 | &port_type[num_port]); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 881 | ++num_port; |
| 882 | } |
| 883 | if (wsa881x->visense_enable) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 884 | wsa881x_set_port(component, SWR_VISENSE_PORT, |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 885 | &port_id[num_port], &num_ch[num_port], |
| 886 | &ch_mask[num_port], &ch_rate[num_port], |
| 887 | &port_type[num_port]); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 888 | ++num_port; |
| 889 | } |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 890 | swr_disconnect_port(wsa881x->swr_slave, &port_id[0], num_port, |
| 891 | &ch_mask[0], &port_type[0]); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 892 | break; |
| 893 | default: |
| 894 | break; |
| 895 | } |
| 896 | return 0; |
| 897 | } |
| 898 | |
| 899 | static int wsa881x_rdac_event(struct snd_soc_dapm_widget *w, |
| 900 | struct snd_kcontrol *kcontrol, int event) |
| 901 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 902 | struct snd_soc_component *component = |
| 903 | snd_soc_dapm_to_component(w->dapm); |
| 904 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 905 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 906 | dev_dbg(component->dev, "%s: %s %d boost %d visense %d\n", __func__, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 907 | w->name, event, wsa881x->boost_enable, |
| 908 | wsa881x->visense_enable); |
| 909 | |
| 910 | switch (event) { |
| 911 | case SND_SOC_DAPM_PRE_PMU: |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 912 | mutex_lock(&wsa881x->temp_lock); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 913 | wsa881x_resource_acquire(component, ENABLE); |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 914 | mutex_unlock(&wsa881x->temp_lock); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 915 | wsa881x_boost_ctrl(component, ENABLE); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 916 | break; |
| 917 | case SND_SOC_DAPM_POST_PMD: |
| 918 | swr_slvdev_datapath_control(wsa881x->swr_slave, |
| 919 | wsa881x->swr_slave->dev_num, |
| 920 | false); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 921 | wsa881x_boost_ctrl(component, DISABLE); |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 922 | mutex_lock(&wsa881x->temp_lock); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 923 | wsa881x_resource_acquire(component, DISABLE); |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 924 | mutex_unlock(&wsa881x->temp_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 925 | break; |
| 926 | } |
| 927 | return 0; |
| 928 | } |
| 929 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 930 | static int wsa881x_ramp_pa_gain(struct snd_soc_component *component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 931 | int min_gain, int max_gain, int udelay) |
| 932 | { |
| 933 | int val; |
| 934 | |
| 935 | for (val = min_gain; max_gain <= val; val--) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 936 | snd_soc_component_update_bits(component, WSA881X_SPKR_DRV_GAIN, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 937 | 0xF0, val << 4); |
| 938 | /* |
| 939 | * 1ms delay is needed for every step change in gain as per |
| 940 | * HW requirement. |
| 941 | */ |
| 942 | usleep_range(udelay, udelay+10); |
| 943 | } |
| 944 | return 0; |
| 945 | } |
| 946 | |
| 947 | static void wsa881x_ocp_ctl_work(struct work_struct *work) |
| 948 | { |
| 949 | struct wsa881x_priv *wsa881x; |
| 950 | struct delayed_work *dwork; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 951 | struct snd_soc_component *component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 952 | int temp_val; |
| 953 | |
| 954 | dwork = to_delayed_work(work); |
| 955 | wsa881x = container_of(dwork, struct wsa881x_priv, ocp_ctl_work); |
| 956 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 957 | component = wsa881x->component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 958 | wsa881x_get_temp(wsa881x->tz_pdata.tz_dev, &temp_val); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 959 | dev_dbg(component->dev, " temp = %d\n", temp_val); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 960 | |
| 961 | if (temp_val <= WSA881X_OCP_CTL_TEMP_CELSIUS) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 962 | snd_soc_component_update_bits(component, WSA881X_SPKR_OCP_CTL, |
| 963 | 0xC0, 0x00); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 964 | else |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 965 | snd_soc_component_update_bits(component, WSA881X_SPKR_OCP_CTL, |
| 966 | 0xC0, 0xC0); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 967 | |
| 968 | schedule_delayed_work(&wsa881x->ocp_ctl_work, |
| 969 | msecs_to_jiffies(wsa881x_ocp_poll_timer_sec * 1000)); |
| 970 | } |
| 971 | |
| 972 | static int wsa881x_spkr_pa_event(struct snd_soc_dapm_widget *w, |
| 973 | struct snd_kcontrol *kcontrol, int event) |
| 974 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 975 | struct snd_soc_component *component = |
| 976 | snd_soc_dapm_to_component(w->dapm); |
| 977 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 978 | int min_gain, max_gain; |
| 979 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 980 | dev_dbg(component->dev, "%s: %s %d\n", __func__, w->name, event); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 981 | switch (event) { |
| 982 | case SND_SOC_DAPM_PRE_PMU: |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 983 | snd_soc_component_update_bits(component, WSA881X_SPKR_OCP_CTL, |
| 984 | 0xC0, 0x80); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 985 | regmap_multi_reg_write(wsa881x->regmap, |
| 986 | wsa881x_pre_pmu_pa_2_0, |
| 987 | ARRAY_SIZE(wsa881x_pre_pmu_pa_2_0)); |
| 988 | swr_slvdev_datapath_control(wsa881x->swr_slave, |
| 989 | wsa881x->swr_slave->dev_num, |
| 990 | true); |
| 991 | /* Set register mode if compander is not enabled */ |
| 992 | if (!wsa881x->comp_enable) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 993 | snd_soc_component_update_bits(component, |
| 994 | WSA881X_SPKR_DRV_GAIN, |
| 995 | 0x08, 0x08); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 996 | else |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 997 | snd_soc_component_update_bits(component, |
| 998 | WSA881X_SPKR_DRV_GAIN, |
| 999 | 0x08, 0x00); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1000 | |
| 1001 | break; |
| 1002 | case SND_SOC_DAPM_POST_PMU: |
| 1003 | if (!wsa881x->comp_enable) { |
| 1004 | max_gain = wsa881x->pa_gain; |
| 1005 | /* |
| 1006 | * Gain has to set incrementally in 4 steps |
| 1007 | * as per HW sequence |
| 1008 | */ |
| 1009 | if (max_gain > G_4P5DB) |
| 1010 | min_gain = G_0DB; |
| 1011 | else |
| 1012 | min_gain = max_gain + 3; |
| 1013 | /* |
| 1014 | * 1ms delay is needed before change in gain |
| 1015 | * as per HW requirement. |
| 1016 | */ |
| 1017 | usleep_range(1000, 1010); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1018 | wsa881x_ramp_pa_gain(component, min_gain, max_gain, |
| 1019 | 1000); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1020 | } |
| 1021 | if (wsa881x->visense_enable) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1022 | wsa881x_visense_txfe_ctrl(component, ENABLE, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1023 | 0x00, 0x03, 0x01); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1024 | snd_soc_component_update_bits(component, |
| 1025 | WSA881X_ADC_EN_SEL_IBAIS, |
| 1026 | 0x07, 0x01); |
| 1027 | wsa881x_visense_adc_ctrl(component, ENABLE); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1028 | } |
| 1029 | schedule_delayed_work(&wsa881x->ocp_ctl_work, |
| 1030 | msecs_to_jiffies(WSA881X_OCP_CTL_TIMER_SEC * 1000)); |
| 1031 | /* Force remove group */ |
| 1032 | swr_remove_from_group(wsa881x->swr_slave, |
| 1033 | wsa881x->swr_slave->dev_num); |
| 1034 | break; |
| 1035 | case SND_SOC_DAPM_POST_PMD: |
| 1036 | if (wsa881x->visense_enable) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1037 | wsa881x_visense_adc_ctrl(component, DISABLE); |
| 1038 | wsa881x_visense_txfe_ctrl(component, DISABLE, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1039 | 0x00, 0x01, 0x01); |
| 1040 | } |
| 1041 | cancel_delayed_work_sync(&wsa881x->ocp_ctl_work); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1042 | snd_soc_component_update_bits(component, WSA881X_SPKR_OCP_CTL, |
| 1043 | 0xC0, 0xC0); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1044 | break; |
| 1045 | } |
| 1046 | return 0; |
| 1047 | } |
| 1048 | |
| 1049 | static const struct snd_soc_dapm_widget wsa881x_dapm_widgets[] = { |
| 1050 | SND_SOC_DAPM_INPUT("IN"), |
| 1051 | |
| 1052 | SND_SOC_DAPM_MIXER_E("SWR DAC_Port", SND_SOC_NOPM, 0, 0, swr_dac_port, |
| 1053 | ARRAY_SIZE(swr_dac_port), wsa881x_enable_swr_dac_port, |
| 1054 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | |
| 1055 | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), |
| 1056 | |
| 1057 | SND_SOC_DAPM_DAC_E("RDAC", NULL, WSA881X_SPKR_DAC_CTL, 7, 0, |
| 1058 | wsa881x_rdac_event, |
| 1059 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), |
| 1060 | |
| 1061 | SND_SOC_DAPM_PGA_E("SPKR PGA", WSA881X_SPKR_DRV_EN, 7, 0, NULL, 0, |
| 1062 | wsa881x_spkr_pa_event, SND_SOC_DAPM_PRE_PMU | |
| 1063 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), |
| 1064 | |
| 1065 | SND_SOC_DAPM_OUTPUT("SPKR"), |
| 1066 | }; |
| 1067 | |
| 1068 | static const struct snd_soc_dapm_route wsa881x_audio_map[] = { |
| 1069 | {"SWR DAC_Port", "Switch", "IN"}, |
| 1070 | {"RDAC", NULL, "SWR DAC_Port"}, |
| 1071 | {"SPKR PGA", NULL, "RDAC"}, |
| 1072 | {"SPKR", NULL, "SPKR PGA"}, |
| 1073 | }; |
| 1074 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1075 | int wsa881x_set_channel_map(struct snd_soc_component *component, u8 *port, |
| 1076 | u8 num_port, unsigned int *ch_mask, |
| 1077 | unsigned int *ch_rate, u8 *port_type) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1078 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1079 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1080 | int i; |
| 1081 | |
| 1082 | if (!port || !ch_mask || !ch_rate || |
| 1083 | (num_port > WSA881X_MAX_SWR_PORTS)) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1084 | dev_err(component->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1085 | "%s: Invalid port=%pK, ch_mask=%pK, ch_rate=%pK\n", |
| 1086 | __func__, port, ch_mask, ch_rate); |
| 1087 | return -EINVAL; |
| 1088 | } |
| 1089 | for (i = 0; i < num_port; i++) { |
| 1090 | wsa881x->port[i].port_id = port[i]; |
| 1091 | wsa881x->port[i].ch_mask = ch_mask[i]; |
| 1092 | wsa881x->port[i].ch_rate = ch_rate[i]; |
| 1093 | wsa881x->port[i].num_ch = __sw_hweight8(ch_mask[i]); |
Ramprasad Katkam | e38aed4 | 2018-03-07 16:26:49 +0530 | [diff] [blame] | 1094 | if (port_type) |
| 1095 | wsa881x->port[i].port_type = port_type[i]; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1096 | } |
| 1097 | return 0; |
| 1098 | } |
| 1099 | EXPORT_SYMBOL(wsa881x_set_channel_map); |
| 1100 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1101 | static void wsa881x_init(struct snd_soc_component *component) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1102 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1103 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1104 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1105 | wsa881x->version = |
| 1106 | snd_soc_component_read32(component, WSA881X_CHIP_ID1); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1107 | wsa881x_regmap_defaults(wsa881x->regmap, wsa881x->version); |
Vatsal Bucha | 83716b9 | 2017-09-14 12:13:13 +0530 | [diff] [blame] | 1108 | /* Enable software reset output from soundwire slave */ |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1109 | snd_soc_component_update_bits(component, WSA881X_SWR_RESET_EN, |
| 1110 | 0x07, 0x07); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1111 | /* Bring out of analog reset */ |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1112 | snd_soc_component_update_bits(component, WSA881X_CDC_RST_CTL, |
| 1113 | 0x02, 0x02); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1114 | /* Bring out of digital reset */ |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1115 | snd_soc_component_update_bits(component, WSA881X_CDC_RST_CTL, |
| 1116 | 0x01, 0x01); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1117 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1118 | snd_soc_component_update_bits(component, WSA881X_CLOCK_CONFIG, |
| 1119 | 0x10, 0x10); |
| 1120 | snd_soc_component_update_bits(component, WSA881X_SPKR_OCP_CTL, |
| 1121 | 0x02, 0x02); |
| 1122 | snd_soc_component_update_bits(component, WSA881X_SPKR_MISC_CTL1, |
| 1123 | 0xC0, 0x80); |
| 1124 | snd_soc_component_update_bits(component, WSA881X_SPKR_MISC_CTL1, |
| 1125 | 0x06, 0x06); |
| 1126 | snd_soc_component_update_bits(component, WSA881X_SPKR_BIAS_INT, |
| 1127 | 0xFF, 0x00); |
| 1128 | snd_soc_component_update_bits(component, WSA881X_SPKR_PA_INT, |
| 1129 | 0xF0, 0x40); |
| 1130 | snd_soc_component_update_bits(component, WSA881X_SPKR_PA_INT, |
| 1131 | 0x0E, 0x0E); |
| 1132 | snd_soc_component_update_bits(component, WSA881X_BOOST_LOOP_STABILITY, |
| 1133 | 0x03, 0x03); |
| 1134 | snd_soc_component_update_bits(component, WSA881X_BOOST_MISC2_CTL, |
| 1135 | 0xFF, 0x14); |
| 1136 | snd_soc_component_update_bits(component, WSA881X_BOOST_START_CTL, |
| 1137 | 0x80, 0x80); |
| 1138 | snd_soc_component_update_bits(component, WSA881X_BOOST_START_CTL, |
| 1139 | 0x03, 0x00); |
| 1140 | snd_soc_component_update_bits(component, |
| 1141 | WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, |
| 1142 | 0x0C, 0x04); |
| 1143 | snd_soc_component_update_bits(component, |
| 1144 | WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, |
| 1145 | 0x03, 0x00); |
| 1146 | if (snd_soc_component_read32(component, WSA881X_OTP_REG_0)) |
| 1147 | snd_soc_component_update_bits(component, |
| 1148 | WSA881X_BOOST_PRESET_OUT1, |
| 1149 | 0xF0, 0x70); |
| 1150 | snd_soc_component_update_bits(component, WSA881X_BOOST_PRESET_OUT2, |
| 1151 | 0xF0, 0x30); |
| 1152 | snd_soc_component_update_bits(component, WSA881X_SPKR_DRV_EN, |
| 1153 | 0x08, 0x08); |
| 1154 | snd_soc_component_update_bits(component, WSA881X_BOOST_CURRENT_LIMIT, |
| 1155 | 0x0F, 0x08); |
| 1156 | snd_soc_component_update_bits(component, WSA881X_SPKR_OCP_CTL, |
| 1157 | 0x30, 0x30); |
| 1158 | snd_soc_component_update_bits(component, WSA881X_SPKR_OCP_CTL, |
| 1159 | 0x0C, 0x00); |
| 1160 | snd_soc_component_update_bits(component, WSA881X_OTP_REG_28, |
| 1161 | 0x3F, 0x3A); |
| 1162 | snd_soc_component_update_bits(component, WSA881X_BONGO_RESRV_REG1, |
| 1163 | 0xFF, 0xB2); |
| 1164 | snd_soc_component_update_bits(component, WSA881X_BONGO_RESRV_REG2, |
| 1165 | 0xFF, 0x05); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1166 | } |
| 1167 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1168 | static int32_t wsa881x_resource_acquire(struct snd_soc_component *component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1169 | bool enable) |
| 1170 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1171 | wsa881x_clk_ctrl(component, enable); |
| 1172 | wsa881x_bandgap_ctrl(component, enable); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1173 | return 0; |
| 1174 | } |
| 1175 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1176 | static int32_t wsa881x_temp_reg_read(struct snd_soc_component *component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1177 | struct wsa_temp_register *wsa_temp_reg) |
| 1178 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1179 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1180 | struct swr_device *dev; |
| 1181 | u8 retry = WSA881X_NUM_RETRY; |
| 1182 | u8 devnum = 0; |
| 1183 | |
| 1184 | if (!wsa881x) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1185 | dev_err(component->dev, "%s: wsa881x is NULL\n", __func__); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1186 | return -EINVAL; |
| 1187 | } |
| 1188 | dev = wsa881x->swr_slave; |
| 1189 | if (dev && (wsa881x->state == WSA881X_DEV_DOWN)) { |
| 1190 | while (swr_get_logical_dev_num(dev, dev->addr, &devnum) && |
| 1191 | retry--) { |
| 1192 | /* Retry after 1 msec delay */ |
| 1193 | usleep_range(1000, 1100); |
| 1194 | } |
| 1195 | if (retry == 0) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1196 | dev_err(component->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1197 | "%s get devnum %d for dev addr %lx failed\n", |
| 1198 | __func__, devnum, dev->addr); |
| 1199 | return -EINVAL; |
| 1200 | } |
| 1201 | } |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 1202 | wsa881x_regcache_sync(wsa881x); |
| 1203 | mutex_lock(&wsa881x->temp_lock); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1204 | wsa881x_resource_acquire(component, ENABLE); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1205 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1206 | snd_soc_component_update_bits(component, WSA881X_TADC_VALUE_CTL, |
| 1207 | 0x01, 0x00); |
| 1208 | wsa_temp_reg->dmeas_msb = snd_soc_component_read32( |
| 1209 | component, WSA881X_TEMP_MSB); |
| 1210 | wsa_temp_reg->dmeas_lsb = snd_soc_component_read32( |
| 1211 | component, WSA881X_TEMP_LSB); |
| 1212 | snd_soc_component_update_bits(component, WSA881X_TADC_VALUE_CTL, |
| 1213 | 0x01, 0x01); |
| 1214 | wsa_temp_reg->d1_msb = snd_soc_component_read32( |
| 1215 | component, WSA881X_OTP_REG_1); |
| 1216 | wsa_temp_reg->d1_lsb = snd_soc_component_read32( |
| 1217 | component, WSA881X_OTP_REG_2); |
| 1218 | wsa_temp_reg->d2_msb = snd_soc_component_read32( |
| 1219 | component, WSA881X_OTP_REG_3); |
| 1220 | wsa_temp_reg->d2_lsb = snd_soc_component_read32( |
| 1221 | component, WSA881X_OTP_REG_4); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1222 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1223 | wsa881x_resource_acquire(component, DISABLE); |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 1224 | mutex_unlock(&wsa881x->temp_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1225 | |
| 1226 | return 0; |
| 1227 | } |
| 1228 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1229 | static int wsa881x_probe(struct snd_soc_component *component) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1230 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1231 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1232 | struct swr_device *dev; |
| 1233 | |
| 1234 | if (!wsa881x) |
| 1235 | return -EINVAL; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1236 | snd_soc_component_init_regmap(component, wsa881x->regmap); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1237 | |
| 1238 | dev = wsa881x->swr_slave; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1239 | wsa881x->component = component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1240 | mutex_init(&wsa881x->bg_lock); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1241 | wsa881x_init(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1242 | snprintf(wsa881x->tz_pdata.name, sizeof(wsa881x->tz_pdata.name), |
| 1243 | "%s.%x", "wsatz", (u8)dev->addr); |
| 1244 | wsa881x->bg_cnt = 0; |
| 1245 | wsa881x->clk_cnt = 0; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1246 | wsa881x->tz_pdata.component = component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1247 | wsa881x->tz_pdata.wsa_temp_reg_read = wsa881x_temp_reg_read; |
| 1248 | wsa881x_init_thermal(&wsa881x->tz_pdata); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1249 | snd_soc_add_component_controls(component, wsa_snd_controls, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1250 | ARRAY_SIZE(wsa_snd_controls)); |
| 1251 | INIT_DELAYED_WORK(&wsa881x->ocp_ctl_work, wsa881x_ocp_ctl_work); |
| 1252 | return 0; |
| 1253 | } |
| 1254 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1255 | static void wsa881x_remove(struct snd_soc_component *component) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1256 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1257 | struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1258 | |
| 1259 | if (wsa881x->tz_pdata.tz_dev) |
| 1260 | wsa881x_deinit_thermal(wsa881x->tz_pdata.tz_dev); |
| 1261 | mutex_destroy(&wsa881x->bg_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1262 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1263 | return; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1264 | } |
| 1265 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1266 | static const struct snd_soc_component_driver soc_codec_dev_wsa881x = { |
| 1267 | .name = DRV_NAME, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1268 | .probe = wsa881x_probe, |
| 1269 | .remove = wsa881x_remove, |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1270 | .controls = wsa881x_snd_controls, |
| 1271 | .num_controls = ARRAY_SIZE(wsa881x_snd_controls), |
| 1272 | .dapm_widgets = wsa881x_dapm_widgets, |
| 1273 | .num_dapm_widgets = ARRAY_SIZE(wsa881x_dapm_widgets), |
| 1274 | .dapm_routes = wsa881x_audio_map, |
| 1275 | .num_dapm_routes = ARRAY_SIZE(wsa881x_audio_map), |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1276 | }; |
| 1277 | |
| 1278 | static int wsa881x_gpio_ctrl(struct wsa881x_priv *wsa881x, bool enable) |
| 1279 | { |
| 1280 | int ret = 0; |
| 1281 | |
| 1282 | if (wsa881x->pd_gpio < 0) { |
| 1283 | dev_err(wsa881x->dev, "%s: gpio is not valid %d\n", |
| 1284 | __func__, wsa881x->pd_gpio); |
| 1285 | return -EINVAL; |
| 1286 | } |
| 1287 | |
| 1288 | if (wsa881x->wsa_rst_np) { |
| 1289 | if (enable) |
| 1290 | ret = msm_cdc_pinctrl_select_active_state( |
| 1291 | wsa881x->wsa_rst_np); |
| 1292 | else |
| 1293 | ret = msm_cdc_pinctrl_select_sleep_state( |
| 1294 | wsa881x->wsa_rst_np); |
| 1295 | if (ret != 0) |
| 1296 | dev_err(wsa881x->dev, |
| 1297 | "%s: Failed to turn state %d; ret=%d\n", |
| 1298 | __func__, enable, ret); |
| 1299 | } else { |
| 1300 | if (gpio_is_valid(wsa881x->pd_gpio)) |
| 1301 | gpio_direction_output(wsa881x->pd_gpio, enable); |
| 1302 | } |
| 1303 | |
| 1304 | return ret; |
| 1305 | } |
| 1306 | |
| 1307 | static int wsa881x_gpio_init(struct swr_device *pdev) |
| 1308 | { |
| 1309 | int ret = 0; |
| 1310 | struct wsa881x_priv *wsa881x; |
| 1311 | |
| 1312 | wsa881x = swr_get_dev_data(pdev); |
| 1313 | if (!wsa881x) { |
| 1314 | dev_err(&pdev->dev, "%s: wsa881x is NULL\n", __func__); |
| 1315 | return -EINVAL; |
| 1316 | } |
| 1317 | dev_dbg(&pdev->dev, "%s: gpio %d request with name %s\n", |
| 1318 | __func__, wsa881x->pd_gpio, dev_name(&pdev->dev)); |
| 1319 | ret = gpio_request(wsa881x->pd_gpio, dev_name(&pdev->dev)); |
| 1320 | if (ret) { |
| 1321 | if (ret == -EBUSY) { |
| 1322 | /* GPIO was already requested */ |
| 1323 | dev_dbg(&pdev->dev, |
| 1324 | "%s: gpio %d is already set to high\n", |
| 1325 | __func__, wsa881x->pd_gpio); |
| 1326 | ret = 0; |
| 1327 | } else { |
| 1328 | dev_err(&pdev->dev, "%s: Failed to request gpio %d, err: %d\n", |
| 1329 | __func__, wsa881x->pd_gpio, ret); |
| 1330 | } |
| 1331 | } |
| 1332 | return ret; |
| 1333 | } |
| 1334 | |
| 1335 | static int wsa881x_swr_probe(struct swr_device *pdev) |
| 1336 | { |
| 1337 | int ret = 0; |
| 1338 | struct wsa881x_priv *wsa881x; |
| 1339 | u8 devnum = 0; |
| 1340 | bool pin_state_current = false; |
| 1341 | |
| 1342 | wsa881x = devm_kzalloc(&pdev->dev, sizeof(struct wsa881x_priv), |
| 1343 | GFP_KERNEL); |
| 1344 | if (!wsa881x) |
| 1345 | return -ENOMEM; |
| 1346 | wsa881x->wsa_rst_np = of_parse_phandle(pdev->dev.of_node, |
| 1347 | "qcom,spkr-sd-n-node", 0); |
| 1348 | if (!wsa881x->wsa_rst_np) { |
| 1349 | dev_dbg(&pdev->dev, "%s: Not using pinctrl, fallback to gpio\n", |
| 1350 | __func__); |
| 1351 | wsa881x->pd_gpio = of_get_named_gpio(pdev->dev.of_node, |
| 1352 | "qcom,spkr-sd-n-gpio", 0); |
| 1353 | if (wsa881x->pd_gpio < 0) { |
| 1354 | dev_err(&pdev->dev, "%s: %s property is not found %d\n", |
| 1355 | __func__, "qcom,spkr-sd-n-gpio", |
| 1356 | wsa881x->pd_gpio); |
| 1357 | goto err; |
| 1358 | } |
| 1359 | dev_dbg(&pdev->dev, "%s: reset gpio %d\n", __func__, |
| 1360 | wsa881x->pd_gpio); |
| 1361 | } |
| 1362 | swr_set_dev_data(pdev, wsa881x); |
| 1363 | |
| 1364 | wsa881x->swr_slave = pdev; |
| 1365 | |
| 1366 | if (!wsa881x->wsa_rst_np) { |
| 1367 | ret = wsa881x_gpio_init(pdev); |
| 1368 | if (ret) |
| 1369 | goto err; |
| 1370 | } |
| 1371 | if (wsa881x->wsa_rst_np) |
| 1372 | pin_state_current = msm_cdc_pinctrl_get_state( |
| 1373 | wsa881x->wsa_rst_np); |
| 1374 | wsa881x_gpio_ctrl(wsa881x, true); |
| 1375 | wsa881x->state = WSA881X_DEV_UP; |
| 1376 | |
| 1377 | if (!debugfs_wsa881x_dent) { |
| 1378 | dbgwsa881x = wsa881x; |
| 1379 | debugfs_wsa881x_dent = debugfs_create_dir( |
| 1380 | "wsa881x_swr_slave", 0); |
| 1381 | if (!IS_ERR(debugfs_wsa881x_dent)) { |
| 1382 | debugfs_peek = debugfs_create_file("swrslave_peek", |
| 1383 | S_IFREG | 0444, debugfs_wsa881x_dent, |
| 1384 | (void *) "swrslave_peek", |
| 1385 | &codec_debug_ops); |
| 1386 | |
| 1387 | debugfs_poke = debugfs_create_file("swrslave_poke", |
| 1388 | S_IFREG | 0444, debugfs_wsa881x_dent, |
| 1389 | (void *) "swrslave_poke", |
| 1390 | &codec_debug_ops); |
| 1391 | |
| 1392 | debugfs_reg_dump = debugfs_create_file( |
| 1393 | "swrslave_reg_dump", |
| 1394 | S_IFREG | 0444, |
| 1395 | debugfs_wsa881x_dent, |
| 1396 | (void *) "swrslave_reg_dump", |
| 1397 | &codec_debug_ops); |
| 1398 | } |
| 1399 | } |
| 1400 | |
| 1401 | /* |
| 1402 | * Add 5msec delay to provide sufficient time for |
| 1403 | * soundwire auto enumeration of slave devices as |
| 1404 | * as per HW requirement. |
| 1405 | */ |
| 1406 | usleep_range(5000, 5010); |
| 1407 | ret = swr_get_logical_dev_num(pdev, pdev->addr, &devnum); |
| 1408 | if (ret) { |
| 1409 | dev_dbg(&pdev->dev, |
| 1410 | "%s get devnum %d for dev addr %lx failed\n", |
| 1411 | __func__, devnum, pdev->addr); |
| 1412 | goto dev_err; |
| 1413 | } |
| 1414 | pdev->dev_num = devnum; |
| 1415 | |
| 1416 | wsa881x->regmap = devm_regmap_init_swr(pdev, |
| 1417 | &wsa881x_regmap_config); |
| 1418 | if (IS_ERR(wsa881x->regmap)) { |
| 1419 | ret = PTR_ERR(wsa881x->regmap); |
| 1420 | dev_err(&pdev->dev, "%s: regmap_init failed %d\n", |
| 1421 | __func__, ret); |
| 1422 | goto dev_err; |
| 1423 | } |
| 1424 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1425 | ret = snd_soc_register_component(&pdev->dev, &soc_codec_dev_wsa881x, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1426 | NULL, 0); |
| 1427 | if (ret) { |
| 1428 | dev_err(&pdev->dev, "%s: Codec registration failed\n", |
| 1429 | __func__); |
| 1430 | goto dev_err; |
| 1431 | } |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 1432 | mutex_init(&wsa881x->res_lock); |
| 1433 | mutex_init(&wsa881x->temp_lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1434 | |
| 1435 | return 0; |
| 1436 | |
| 1437 | dev_err: |
| 1438 | if (pin_state_current == false) |
| 1439 | wsa881x_gpio_ctrl(wsa881x, false); |
| 1440 | swr_remove_device(pdev); |
| 1441 | err: |
| 1442 | return ret; |
| 1443 | } |
| 1444 | |
| 1445 | static int wsa881x_swr_remove(struct swr_device *pdev) |
| 1446 | { |
| 1447 | struct wsa881x_priv *wsa881x; |
| 1448 | |
| 1449 | wsa881x = swr_get_dev_data(pdev); |
| 1450 | if (!wsa881x) { |
| 1451 | dev_err(&pdev->dev, "%s: wsa881x is NULL\n", __func__); |
| 1452 | return -EINVAL; |
| 1453 | } |
| 1454 | debugfs_remove_recursive(debugfs_wsa881x_dent); |
| 1455 | debugfs_wsa881x_dent = NULL; |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 1456 | mutex_destroy(&wsa881x->res_lock); |
| 1457 | mutex_destroy(&wsa881x->temp_lock); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1458 | snd_soc_unregister_component(&pdev->dev); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1459 | if (wsa881x->pd_gpio) |
| 1460 | gpio_free(wsa881x->pd_gpio); |
| 1461 | swr_set_dev_data(pdev, NULL); |
| 1462 | return 0; |
| 1463 | } |
| 1464 | |
| 1465 | static int wsa881x_swr_up(struct swr_device *pdev) |
| 1466 | { |
| 1467 | int ret; |
| 1468 | struct wsa881x_priv *wsa881x; |
| 1469 | |
| 1470 | wsa881x = swr_get_dev_data(pdev); |
| 1471 | if (!wsa881x) { |
| 1472 | dev_err(&pdev->dev, "%s: wsa881x is NULL\n", __func__); |
| 1473 | return -EINVAL; |
| 1474 | } |
| 1475 | ret = wsa881x_gpio_ctrl(wsa881x, true); |
| 1476 | if (ret) |
| 1477 | dev_err(&pdev->dev, "%s: Failed to enable gpio\n", __func__); |
| 1478 | else |
| 1479 | wsa881x->state = WSA881X_DEV_UP; |
| 1480 | |
| 1481 | return ret; |
| 1482 | } |
| 1483 | |
| 1484 | static int wsa881x_swr_down(struct swr_device *pdev) |
| 1485 | { |
| 1486 | struct wsa881x_priv *wsa881x; |
| 1487 | int ret; |
| 1488 | |
| 1489 | wsa881x = swr_get_dev_data(pdev); |
| 1490 | if (!wsa881x) { |
| 1491 | dev_err(&pdev->dev, "%s: wsa881x is NULL\n", __func__); |
| 1492 | return -EINVAL; |
| 1493 | } |
| 1494 | if (delayed_work_pending(&wsa881x->ocp_ctl_work)) |
| 1495 | cancel_delayed_work_sync(&wsa881x->ocp_ctl_work); |
| 1496 | ret = wsa881x_gpio_ctrl(wsa881x, false); |
| 1497 | if (ret) |
| 1498 | dev_err(&pdev->dev, "%s: Failed to disable gpio\n", __func__); |
| 1499 | else |
| 1500 | wsa881x->state = WSA881X_DEV_DOWN; |
| 1501 | |
| 1502 | return ret; |
| 1503 | } |
| 1504 | |
| 1505 | static int wsa881x_swr_reset(struct swr_device *pdev) |
| 1506 | { |
| 1507 | struct wsa881x_priv *wsa881x; |
| 1508 | u8 retry = WSA881X_NUM_RETRY; |
| 1509 | u8 devnum = 0; |
| 1510 | |
| 1511 | wsa881x = swr_get_dev_data(pdev); |
| 1512 | if (!wsa881x) { |
| 1513 | dev_err(&pdev->dev, "%s: wsa881x is NULL\n", __func__); |
| 1514 | return -EINVAL; |
| 1515 | } |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 1516 | if (wsa881x->state == WSA881X_DEV_READY) { |
| 1517 | dev_dbg(&pdev->dev, "%s: device already active\n", __func__); |
| 1518 | return 0; |
| 1519 | } |
| 1520 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1521 | wsa881x->bg_cnt = 0; |
| 1522 | wsa881x->clk_cnt = 0; |
| 1523 | while (swr_get_logical_dev_num(pdev, pdev->addr, &devnum) && retry--) { |
| 1524 | /* Retry after 1 msec delay */ |
| 1525 | usleep_range(1000, 1100); |
| 1526 | } |
| 1527 | pdev->dev_num = devnum; |
Laxminath Kasam | c0684fc | 2018-07-31 19:26:56 +0530 | [diff] [blame] | 1528 | wsa881x_regcache_sync(wsa881x); |
| 1529 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1530 | return 0; |
| 1531 | } |
| 1532 | |
| 1533 | #ifdef CONFIG_PM_SLEEP |
| 1534 | static int wsa881x_swr_suspend(struct device *dev) |
| 1535 | { |
| 1536 | dev_dbg(dev, "%s: system suspend\n", __func__); |
| 1537 | return 0; |
| 1538 | } |
| 1539 | |
| 1540 | static int wsa881x_swr_resume(struct device *dev) |
| 1541 | { |
| 1542 | struct wsa881x_priv *wsa881x = swr_get_dev_data(to_swr_device(dev)); |
| 1543 | |
| 1544 | if (!wsa881x) { |
| 1545 | dev_err(dev, "%s: wsa881x private data is NULL\n", __func__); |
| 1546 | return -EINVAL; |
| 1547 | } |
| 1548 | dev_dbg(dev, "%s: system resume\n", __func__); |
| 1549 | return 0; |
| 1550 | } |
| 1551 | #endif /* CONFIG_PM_SLEEP */ |
| 1552 | |
| 1553 | static const struct dev_pm_ops wsa881x_swr_pm_ops = { |
| 1554 | SET_SYSTEM_SLEEP_PM_OPS(wsa881x_swr_suspend, wsa881x_swr_resume) |
| 1555 | }; |
| 1556 | |
| 1557 | static const struct swr_device_id wsa881x_swr_id[] = { |
| 1558 | {"wsa881x", 0}, |
| 1559 | {} |
| 1560 | }; |
| 1561 | |
| 1562 | static const struct of_device_id wsa881x_swr_dt_match[] = { |
| 1563 | { |
| 1564 | .compatible = "qcom,wsa881x", |
| 1565 | }, |
| 1566 | {} |
| 1567 | }; |
| 1568 | |
| 1569 | static struct swr_driver wsa881x_codec_driver = { |
| 1570 | .driver = { |
| 1571 | .name = "wsa881x", |
| 1572 | .owner = THIS_MODULE, |
| 1573 | .pm = &wsa881x_swr_pm_ops, |
| 1574 | .of_match_table = wsa881x_swr_dt_match, |
| 1575 | }, |
| 1576 | .probe = wsa881x_swr_probe, |
| 1577 | .remove = wsa881x_swr_remove, |
| 1578 | .id_table = wsa881x_swr_id, |
| 1579 | .device_up = wsa881x_swr_up, |
| 1580 | .device_down = wsa881x_swr_down, |
| 1581 | .reset_device = wsa881x_swr_reset, |
| 1582 | }; |
| 1583 | |
| 1584 | static int __init wsa881x_codec_init(void) |
| 1585 | { |
| 1586 | return swr_driver_register(&wsa881x_codec_driver); |
| 1587 | } |
| 1588 | |
| 1589 | static void __exit wsa881x_codec_exit(void) |
| 1590 | { |
| 1591 | swr_driver_unregister(&wsa881x_codec_driver); |
| 1592 | } |
| 1593 | |
| 1594 | module_init(wsa881x_codec_init); |
| 1595 | module_exit(wsa881x_codec_exit); |
| 1596 | |
| 1597 | MODULE_DESCRIPTION("WSA881x Codec driver"); |
| 1598 | MODULE_LICENSE("GPL v2"); |