1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright(c) 2022 Intel Corporation. All rights reserved. 4 5 /* 6 * sof_ssp_amp.c - ASoc Machine driver for Intel platforms 7 * with RT1308/CS35L41 codec. 8 */ 9 10 #include <linux/acpi.h> 11 #include <linux/delay.h> 12 #include <linux/dmi.h> 13 #include <linux/module.h> 14 #include <linux/platform_device.h> 15 #include <sound/core.h> 16 #include <sound/jack.h> 17 #include <sound/pcm.h> 18 #include <sound/pcm_params.h> 19 #include <sound/sof.h> 20 #include "sof_board_helpers.h" 21 #include "sof_realtek_common.h" 22 #include "sof_cirrus_common.h" 23 #include "sof_ssp_common.h" 24 25 /* SSP port ID for speaker amplifier */ 26 #define SOF_AMPLIFIER_SSP(quirk) ((quirk) & GENMASK(3, 0)) 27 #define SOF_AMPLIFIER_SSP_MASK (GENMASK(3, 0)) 28 29 /* HDMI capture*/ 30 #define SOF_HDMI_CAPTURE_SSP_MASK_SHIFT 4 31 #define SOF_HDMI_CAPTURE_SSP_MASK_MASK (GENMASK(9, 4)) 32 #define SOF_HDMI_CAPTURE_SSP_MASK(quirk) \ 33 (((quirk) << SOF_HDMI_CAPTURE_SSP_MASK_SHIFT) & SOF_HDMI_CAPTURE_SSP_MASK_MASK) 34 35 /* HDMI playback */ 36 #define SOF_HDMI_PLAYBACK_PRESENT BIT(13) 37 #define SOF_NO_OF_HDMI_PLAYBACK_SHIFT 14 38 #define SOF_NO_OF_HDMI_PLAYBACK_MASK (GENMASK(16, 14)) 39 #define SOF_NO_OF_HDMI_PLAYBACK(quirk) \ 40 (((quirk) << SOF_NO_OF_HDMI_PLAYBACK_SHIFT) & SOF_NO_OF_HDMI_PLAYBACK_MASK) 41 42 /* BT audio offload */ 43 #define SOF_SSP_BT_OFFLOAD_PRESENT BIT(17) 44 #define SOF_BT_OFFLOAD_SSP_SHIFT 18 45 #define SOF_BT_OFFLOAD_SSP_MASK (GENMASK(20, 18)) 46 #define SOF_BT_OFFLOAD_SSP(quirk) \ 47 (((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK) 48 49 /* Default: SSP2 */ 50 static unsigned long sof_ssp_amp_quirk = SOF_AMPLIFIER_SSP(2); 51 52 static const struct dmi_system_id chromebook_platforms[] = { 53 { 54 .ident = "Google Chromebooks", 55 .matches = { 56 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 57 } 58 }, 59 {}, 60 }; 61 62 static int sof_card_late_probe(struct snd_soc_card *card) 63 { 64 return sof_intel_board_card_late_probe(card); 65 } 66 67 static struct snd_soc_card sof_ssp_amp_card = { 68 .name = "ssp_amp", 69 .owner = THIS_MODULE, 70 .fully_routed = true, 71 .late_probe = sof_card_late_probe, 72 }; 73 74 /* BE ID defined in sof-tgl-rt1308-hdmi-ssp.m4 */ 75 #define HDMI_IN_BE_ID 0 76 #define SPK_BE_ID 2 77 #define DMIC01_BE_ID 3 78 #define DMIC16K_BE_ID 4 79 #define INTEL_HDMI_BE_ID 5 80 81 static struct snd_soc_dai_link * 82 sof_card_dai_links_create(struct device *dev, enum sof_ssp_codec amp_type, 83 int ssp_amp, int dmic_be_num, int hdmi_num, 84 bool idisp_codec) 85 { 86 struct snd_soc_dai_link *links; 87 int i; 88 int id = 0; 89 int ret; 90 bool fixed_be = false; 91 int be_id; 92 unsigned long ssp_mask_hdmi_in; 93 94 links = devm_kcalloc(dev, sof_ssp_amp_card.num_links, 95 sizeof(struct snd_soc_dai_link), GFP_KERNEL); 96 if (!links) 97 return NULL; 98 99 /* HDMI-In SSP */ 100 ssp_mask_hdmi_in = (sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_SSP_MASK_MASK) >> 101 SOF_HDMI_CAPTURE_SSP_MASK_SHIFT; 102 103 if (ssp_mask_hdmi_in) { 104 int port = 0; 105 106 /* the topology supports HDMI-IN uses fixed BE ID for DAI links */ 107 fixed_be = true; 108 109 be_id = HDMI_IN_BE_ID; 110 for_each_set_bit(port, &ssp_mask_hdmi_in, 32) { 111 ret = sof_intel_board_set_hdmi_in_link(dev, &links[id], 112 be_id, port); 113 if (ret) 114 return NULL; 115 116 id++; 117 be_id++; 118 } 119 } 120 121 /* codec SSP */ 122 if (amp_type != CODEC_NONE) { 123 be_id = fixed_be ? SPK_BE_ID : id; 124 ret = sof_intel_board_set_ssp_amp_link(dev, &links[id], be_id, 125 amp_type, ssp_amp); 126 if (ret) 127 return NULL; 128 129 /* codec-specific fields */ 130 switch (amp_type) { 131 case CODEC_CS35L41: 132 cs35l41_set_dai_link(&links[id]); 133 break; 134 case CODEC_RT1308: 135 sof_rt1308_dai_link(&links[id]); 136 break; 137 default: 138 dev_err(dev, "invalid amp type %d\n", amp_type); 139 return NULL; 140 } 141 142 id++; 143 } 144 145 /* dmic */ 146 if (dmic_be_num > 0) { 147 /* at least we have dmic01 */ 148 be_id = fixed_be ? DMIC01_BE_ID : id; 149 ret = sof_intel_board_set_dmic_link(dev, &links[id], be_id, 150 SOF_DMIC_01); 151 if (ret) 152 return NULL; 153 154 id++; 155 } 156 157 if (dmic_be_num > 1) { 158 /* set up 2 BE links at most */ 159 be_id = fixed_be ? DMIC16K_BE_ID : id; 160 ret = sof_intel_board_set_dmic_link(dev, &links[id], be_id, 161 SOF_DMIC_16K); 162 if (ret) 163 return NULL; 164 165 id++; 166 } 167 168 /* HDMI playback */ 169 for (i = 1; i <= hdmi_num; i++) { 170 be_id = fixed_be ? (INTEL_HDMI_BE_ID + i - 1) : id; 171 ret = sof_intel_board_set_intel_hdmi_link(dev, &links[id], be_id, 172 i, idisp_codec); 173 if (ret) 174 return NULL; 175 176 id++; 177 } 178 179 /* BT audio offload */ 180 if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) { 181 int port = (sof_ssp_amp_quirk & SOF_BT_OFFLOAD_SSP_MASK) >> 182 SOF_BT_OFFLOAD_SSP_SHIFT; 183 184 ret = sof_intel_board_set_bt_link(dev, &links[id], id, port); 185 if (ret) 186 return NULL; 187 188 id++; 189 } 190 191 return links; 192 } 193 194 static int sof_ssp_amp_probe(struct platform_device *pdev) 195 { 196 struct snd_soc_acpi_mach *mach = pdev->dev.platform_data; 197 struct snd_soc_dai_link *dai_links; 198 struct sof_card_private *ctx; 199 int ret; 200 201 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); 202 if (!ctx) 203 return -ENOMEM; 204 205 if (pdev->id_entry && pdev->id_entry->driver_data) 206 sof_ssp_amp_quirk = (unsigned long)pdev->id_entry->driver_data; 207 208 ctx->amp_type = sof_ssp_detect_amp_type(&pdev->dev); 209 210 if (dmi_check_system(chromebook_platforms) || mach->mach_params.dmic_num > 0) 211 ctx->dmic_be_num = 2; 212 else 213 ctx->dmic_be_num = 0; 214 215 /* port number/mask of peripherals attached to ssp interface */ 216 ctx->ssp_mask_hdmi_in = (sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_SSP_MASK_MASK) >> 217 SOF_HDMI_CAPTURE_SSP_MASK_SHIFT; 218 219 ctx->ssp_bt = (sof_ssp_amp_quirk & SOF_BT_OFFLOAD_SSP_MASK) >> 220 SOF_BT_OFFLOAD_SSP_SHIFT; 221 222 ctx->ssp_amp = sof_ssp_amp_quirk & SOF_AMPLIFIER_SSP_MASK; 223 224 /* set number of dai links */ 225 sof_ssp_amp_card.num_links = ctx->dmic_be_num; 226 227 if (ctx->amp_type != CODEC_NONE) 228 sof_ssp_amp_card.num_links++; 229 230 if (ctx->ssp_mask_hdmi_in) 231 sof_ssp_amp_card.num_links += hweight32(ctx->ssp_mask_hdmi_in); 232 233 if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) { 234 ctx->hdmi_num = (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_PLAYBACK_MASK) >> 235 SOF_NO_OF_HDMI_PLAYBACK_SHIFT; 236 /* default number of HDMI DAI's */ 237 if (!ctx->hdmi_num) 238 ctx->hdmi_num = 3; 239 240 if (mach->mach_params.codec_mask & IDISP_CODEC_MASK) 241 ctx->hdmi.idisp_codec = true; 242 243 sof_ssp_amp_card.num_links += ctx->hdmi_num; 244 } else { 245 ctx->hdmi_num = 0; 246 } 247 248 if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) { 249 ctx->bt_offload_present = true; 250 sof_ssp_amp_card.num_links++; 251 } 252 253 dai_links = sof_card_dai_links_create(&pdev->dev, ctx->amp_type, 254 ctx->ssp_amp, ctx->dmic_be_num, 255 ctx->hdmi_num, 256 ctx->hdmi.idisp_codec); 257 if (!dai_links) 258 return -ENOMEM; 259 260 sof_ssp_amp_card.dai_link = dai_links; 261 262 /* update codec_conf */ 263 switch (ctx->amp_type) { 264 case CODEC_CS35L41: 265 cs35l41_set_codec_conf(&sof_ssp_amp_card); 266 break; 267 case CODEC_NONE: 268 case CODEC_RT1308: 269 /* no codec conf required */ 270 break; 271 default: 272 dev_err(&pdev->dev, "invalid amp type %d\n", ctx->amp_type); 273 return -EINVAL; 274 } 275 276 sof_ssp_amp_card.dev = &pdev->dev; 277 278 /* set platform name for each dailink */ 279 ret = snd_soc_fixup_dai_links_platform_name(&sof_ssp_amp_card, 280 mach->mach_params.platform); 281 if (ret) 282 return ret; 283 284 snd_soc_card_set_drvdata(&sof_ssp_amp_card, ctx); 285 286 return devm_snd_soc_register_card(&pdev->dev, &sof_ssp_amp_card); 287 } 288 289 static const struct platform_device_id board_ids[] = { 290 { 291 .name = "sof_ssp_amp", 292 }, 293 { 294 .name = "tgl_rt1308_hdmi_ssp", 295 .driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(2) | 296 SOF_HDMI_CAPTURE_SSP_MASK(0x22)), 297 /* SSP 1 and SSP 5 are used for HDMI IN */ 298 }, 299 { 300 .name = "adl_cs35l41", 301 .driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(1) | 302 SOF_NO_OF_HDMI_PLAYBACK(4) | 303 SOF_HDMI_PLAYBACK_PRESENT | 304 SOF_BT_OFFLOAD_SSP(2) | 305 SOF_SSP_BT_OFFLOAD_PRESENT), 306 }, 307 { 308 .name = "adl_lt6911_hdmi_ssp", 309 .driver_data = (kernel_ulong_t)(SOF_HDMI_CAPTURE_SSP_MASK(0x5) | 310 /* SSP 0 and SSP 2 are used for HDMI IN */ 311 SOF_NO_OF_HDMI_PLAYBACK(3) | 312 SOF_HDMI_PLAYBACK_PRESENT), 313 }, 314 { 315 .name = "rpl_lt6911_hdmi_ssp", 316 .driver_data = (kernel_ulong_t)(SOF_HDMI_CAPTURE_SSP_MASK(0x5) | 317 /* SSP 0 and SSP 2 are used for HDMI IN */ 318 SOF_NO_OF_HDMI_PLAYBACK(3) | 319 SOF_HDMI_PLAYBACK_PRESENT), 320 }, 321 { 322 .name = "mtl_lt6911_hdmi_ssp", 323 .driver_data = (kernel_ulong_t)(SOF_HDMI_CAPTURE_SSP_MASK(0x5) | 324 /* SSP 0 and SSP 2 are used for HDMI IN */ 325 SOF_NO_OF_HDMI_PLAYBACK(3) | 326 SOF_HDMI_PLAYBACK_PRESENT), 327 }, 328 { } 329 }; 330 MODULE_DEVICE_TABLE(platform, board_ids); 331 332 static struct platform_driver sof_ssp_amp_driver = { 333 .probe = sof_ssp_amp_probe, 334 .driver = { 335 .name = "sof_ssp_amp", 336 .pm = &snd_soc_pm_ops, 337 }, 338 .id_table = board_ids, 339 }; 340 module_platform_driver(sof_ssp_amp_driver); 341 342 MODULE_DESCRIPTION("ASoC Intel(R) SOF Amplifier Machine driver"); 343 MODULE_AUTHOR("Balamurugan C <balamurugan.c@intel.com>"); 344 MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>"); 345 MODULE_LICENSE("GPL"); 346 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS); 347 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_REALTEK_COMMON); 348 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_CIRRUS_COMMON); 349 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_SSP_COMMON); 350