1// SPDX-License-Identifier: GPL-2.0-only 2// Copyright (c) 2022 Intel Corporation 3 4/* 5 * sof_sdw_rt_amp - Helpers to handle RT1308/RT1316/RT1318 from generic machine driver 6 */ 7 8#include <linux/device.h> 9#include <linux/errno.h> 10#include <sound/control.h> 11#include <sound/soc.h> 12#include <sound/soc-acpi.h> 13#include <sound/soc-dapm.h> 14#include <linux/soundwire/sdw.h> 15#include <linux/soundwire/sdw_type.h> 16#include <linux/dmi.h> 17#include "sof_sdw_common.h" 18#include "sof_sdw_amp_coeff_tables.h" 19#include "../../codecs/rt1308.h" 20 21#define CODEC_NAME_SIZE 7 22 23/* choose a larger value to resolve compatibility issues */ 24#define RT_AMP_MAX_BQ_REG RT1316_MAX_BQ_REG 25 26struct rt_amp_platform_data { 27 const unsigned char *bq_params; 28 const unsigned int bq_params_cnt; 29}; 30 31static const struct rt_amp_platform_data dell_0a5d_platform_data = { 32 .bq_params = dell_0a5d_bq_params, 33 .bq_params_cnt = ARRAY_SIZE(dell_0a5d_bq_params), 34}; 35 36static const struct rt_amp_platform_data dell_0b00_platform_data = { 37 .bq_params = dell_0b00_bq_params, 38 .bq_params_cnt = ARRAY_SIZE(dell_0b00_bq_params), 39}; 40 41static const struct dmi_system_id dmi_platform_data[] = { 42 /* CometLake devices */ 43 { 44 .matches = { 45 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 46 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990") 47 }, 48 .driver_data = (void *)&dell_0a5d_platform_data, 49 }, 50 { 51 .matches = { 52 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 53 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F") 54 }, 55 .driver_data = (void *)&dell_0a5d_platform_data, 56 }, 57 /* TigerLake devices */ 58 { 59 .matches = { 60 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 61 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5D") 62 }, 63 .driver_data = (void *)&dell_0a5d_platform_data, 64 }, 65 { 66 .matches = { 67 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 68 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5E") 69 }, 70 .driver_data = (void *)&dell_0a5d_platform_data, 71 }, 72 /* AlderLake devices */ 73 { 74 .matches = { 75 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 76 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B00") 77 }, 78 .driver_data = (void *)&dell_0b00_platform_data, 79 }, 80 { 81 .matches = { 82 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 83 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B01") 84 }, 85 .driver_data = (void *)&dell_0b00_platform_data, 86 }, 87 { 88 .matches = { 89 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 90 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AFF") 91 }, 92 .driver_data = (void *)&dell_0b00_platform_data, 93 }, 94 { 95 .matches = { 96 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 97 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AFE") 98 }, 99 .driver_data = (void *)&dell_0b00_platform_data, 100 }, 101 {}, 102}; 103 104static int rt_amp_add_device_props(struct device *sdw_dev) 105{ 106 struct property_entry props[3] = {}; 107 struct fwnode_handle *fwnode; 108 const struct dmi_system_id *dmi_data; 109 const struct rt_amp_platform_data *pdata; 110 unsigned char params[RT_AMP_MAX_BQ_REG]; 111 int ret; 112 113 dmi_data = dmi_first_match(dmi_platform_data); 114 if (!dmi_data) 115 return 0; 116 117 pdata = dmi_data->driver_data; 118 memcpy(¶ms, pdata->bq_params, sizeof(unsigned char) * pdata->bq_params_cnt); 119 120 props[0] = PROPERTY_ENTRY_U8_ARRAY("realtek,bq-params", params); 121 props[1] = PROPERTY_ENTRY_U32("realtek,bq-params-cnt", pdata->bq_params_cnt); 122 123 fwnode = fwnode_create_software_node(props, NULL); 124 if (IS_ERR(fwnode)) 125 return PTR_ERR(fwnode); 126 127 ret = device_add_software_node(sdw_dev, to_software_node(fwnode)); 128 129 fwnode_handle_put(fwnode); 130 131 return ret; 132} 133 134static const struct snd_kcontrol_new rt_amp_controls[] = { 135 SOC_DAPM_PIN_SWITCH("Speaker"), 136}; 137 138static const struct snd_soc_dapm_widget rt_amp_widgets[] = { 139 SND_SOC_DAPM_SPK("Speaker", NULL), 140}; 141 142/* 143 * dapm routes for rt1308/rt1316/rt1318 will be registered dynamically 144 * according to the number of rt1308/rt1316/rt1318 used. The first two 145 * entries will be registered for one codec case, and the last two entries 146 * are also registered if two 1308s/1316s/1318s are used. 147 */ 148static const struct snd_soc_dapm_route rt1308_map[] = { 149 { "Speaker", NULL, "rt1308-1 SPOL" }, 150 { "Speaker", NULL, "rt1308-1 SPOR" }, 151 { "Speaker", NULL, "rt1308-2 SPOL" }, 152 { "Speaker", NULL, "rt1308-2 SPOR" }, 153}; 154 155static const struct snd_soc_dapm_route rt1316_map[] = { 156 { "Speaker", NULL, "rt1316-1 SPOL" }, 157 { "Speaker", NULL, "rt1316-1 SPOR" }, 158 { "Speaker", NULL, "rt1316-2 SPOL" }, 159 { "Speaker", NULL, "rt1316-2 SPOR" }, 160}; 161 162static const struct snd_soc_dapm_route rt1318_map[] = { 163 { "Speaker", NULL, "rt1318-1 SPOL" }, 164 { "Speaker", NULL, "rt1318-1 SPOR" }, 165 { "Speaker", NULL, "rt1318-2 SPOL" }, 166 { "Speaker", NULL, "rt1318-2 SPOR" }, 167}; 168 169static const struct snd_soc_dapm_route *get_codec_name_and_route(struct snd_soc_pcm_runtime *rtd, 170 char *codec_name) 171{ 172 const char *dai_name; 173 174 dai_name = rtd->dai_link->codecs->dai_name; 175 176 /* get the codec name */ 177 snprintf(codec_name, CODEC_NAME_SIZE, "%s", dai_name); 178 179 /* choose the right codec's map */ 180 if (strcmp(codec_name, "rt1308") == 0) 181 return rt1308_map; 182 else if (strcmp(codec_name, "rt1316") == 0) 183 return rt1316_map; 184 else 185 return rt1318_map; 186} 187 188int rt_amp_spk_rtd_init(struct snd_soc_pcm_runtime *rtd) 189{ 190 struct snd_soc_card *card = rtd->card; 191 const struct snd_soc_dapm_route *rt_amp_map; 192 char codec_name[CODEC_NAME_SIZE]; 193 struct snd_soc_dai *dai; 194 int ret; 195 int i; 196 197 rt_amp_map = get_codec_name_and_route(rtd, codec_name); 198 199 card->components = devm_kasprintf(card->dev, GFP_KERNEL, 200 "%s spk:%s", 201 card->components, codec_name); 202 if (!card->components) 203 return -ENOMEM; 204 205 ret = snd_soc_add_card_controls(card, rt_amp_controls, 206 ARRAY_SIZE(rt_amp_controls)); 207 if (ret) { 208 dev_err(card->dev, "%s controls addition failed: %d\n", codec_name, ret); 209 return ret; 210 } 211 212 ret = snd_soc_dapm_new_controls(&card->dapm, rt_amp_widgets, 213 ARRAY_SIZE(rt_amp_widgets)); 214 if (ret) { 215 dev_err(card->dev, "%s widgets addition failed: %d\n", codec_name, ret); 216 return ret; 217 } 218 219 for_each_rtd_codec_dais(rtd, i, dai) { 220 if (strstr(dai->component->name_prefix, "-1")) 221 ret = snd_soc_dapm_add_routes(&card->dapm, rt_amp_map, 2); 222 else if (strstr(dai->component->name_prefix, "-2")) 223 ret = snd_soc_dapm_add_routes(&card->dapm, rt_amp_map + 2, 2); 224 } 225 226 return ret; 227} 228 229static int rt1308_i2s_hw_params(struct snd_pcm_substream *substream, 230 struct snd_pcm_hw_params *params) 231{ 232 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 233 struct snd_soc_card *card = rtd->card; 234 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); 235 int clk_id, clk_freq, pll_out; 236 int err; 237 238 clk_id = RT1308_PLL_S_MCLK; 239 clk_freq = 38400000; 240 241 pll_out = params_rate(params) * 512; 242 243 /* Set rt1308 pll */ 244 err = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out); 245 if (err < 0) { 246 dev_err(card->dev, "Failed to set RT1308 PLL: %d\n", err); 247 return err; 248 } 249 250 /* Set rt1308 sysclk */ 251 err = snd_soc_dai_set_sysclk(codec_dai, RT1308_FS_SYS_S_PLL, pll_out, 252 SND_SOC_CLOCK_IN); 253 if (err < 0) { 254 dev_err(card->dev, "Failed to set RT1308 SYSCLK: %d\n", err); 255 return err; 256 } 257 258 return 0; 259} 260 261/* machine stream operations */ 262struct snd_soc_ops sof_sdw_rt1308_i2s_ops = { 263 .hw_params = rt1308_i2s_hw_params, 264}; 265 266int sof_sdw_rt_amp_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) 267{ 268 struct mc_private *ctx = snd_soc_card_get_drvdata(card); 269 270 if (ctx->amp_dev1) { 271 device_remove_software_node(ctx->amp_dev1); 272 put_device(ctx->amp_dev1); 273 } 274 275 if (ctx->amp_dev2) { 276 device_remove_software_node(ctx->amp_dev2); 277 put_device(ctx->amp_dev2); 278 } 279 280 return 0; 281} 282 283int sof_sdw_rt_amp_init(struct snd_soc_card *card, 284 const struct snd_soc_acpi_link_adr *link, 285 struct snd_soc_dai_link *dai_links, 286 struct sof_sdw_codec_info *info, 287 bool playback) 288{ 289 struct mc_private *ctx = snd_soc_card_get_drvdata(card); 290 struct device *sdw_dev1, *sdw_dev2; 291 int ret; 292 293 /* Count amp number and do init on playback link only. */ 294 if (!playback) 295 return 0; 296 297 info->amp_num++; 298 299 if (info->amp_num == 2) { 300 sdw_dev1 = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name); 301 if (!sdw_dev1) 302 return -EPROBE_DEFER; 303 304 ret = rt_amp_add_device_props(sdw_dev1); 305 if (ret < 0) { 306 put_device(sdw_dev1); 307 return ret; 308 } 309 ctx->amp_dev1 = sdw_dev1; 310 311 sdw_dev2 = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[1].name); 312 if (!sdw_dev2) 313 return -EPROBE_DEFER; 314 315 ret = rt_amp_add_device_props(sdw_dev2); 316 if (ret < 0) { 317 put_device(sdw_dev2); 318 return ret; 319 } 320 ctx->amp_dev2 = sdw_dev2; 321 } 322 323 return 0; 324} 325