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1// SPDX-License-Identifier: GPL-2.0-only2// Copyright(c) 2021 Intel Corporation.3 4/*5 * Intel SOF Machine Driver with Cirrus Logic CS42L42 Codec6 * and speaker codec MAX98357A7 */8#include <linux/i2c.h>9#include <linux/input.h>10#include <linux/module.h>11#include <linux/platform_device.h>12#include <linux/regulator/consumer.h>13#include <linux/dmi.h>14#include <sound/core.h>15#include <sound/jack.h>16#include <sound/pcm.h>17#include <sound/pcm_params.h>18#include <sound/soc.h>19#include <sound/sof.h>20#include <sound/soc-acpi.h>21#include <dt-bindings/sound/cs42l42.h>22#include "../common/soc-intel-quirks.h"23#include "sof_board_helpers.h"24#include "sof_maxim_common.h"25 26static struct snd_soc_jack_pin jack_pins[] = {27 {28 .pin = "Headphone Jack",29 .mask = SND_JACK_HEADPHONE,30 },31 {32 .pin = "Headset Mic",33 .mask = SND_JACK_MICROPHONE,34 },35};36 37/* Default: SSP2 */38static unsigned long sof_cs42l42_quirk = SOF_SSP_PORT_CODEC(2);39 40static int sof_cs42l42_init(struct snd_soc_pcm_runtime *rtd)41{42 struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);43 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;44 struct snd_soc_jack *jack = &ctx->headset_jack;45 int ret;46 47 /*48 * Headset buttons map to the google Reference headset.49 * These can be configured by userspace.50 */51 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",52 SND_JACK_HEADSET | SND_JACK_BTN_0 |53 SND_JACK_BTN_1 | SND_JACK_BTN_2 |54 SND_JACK_BTN_3,55 jack,56 jack_pins,57 ARRAY_SIZE(jack_pins));58 if (ret) {59 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);60 return ret;61 }62 63 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);64 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);65 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);66 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);67 68 ret = snd_soc_component_set_jack(component, jack, NULL);69 if (ret) {70 dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);71 return ret;72 }73 74 return ret;75};76 77static void sof_cs42l42_exit(struct snd_soc_pcm_runtime *rtd)78{79 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;80 81 snd_soc_component_set_jack(component, NULL, NULL);82}83 84static int sof_cs42l42_hw_params(struct snd_pcm_substream *substream,85 struct snd_pcm_hw_params *params)86{87 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);88 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);89 int clk_freq, ret;90 91 clk_freq = sof_dai_get_bclk(rtd); /* BCLK freq */92 93 if (clk_freq <= 0) {94 dev_err(rtd->dev, "get bclk freq failed: %d\n", clk_freq);95 return -EINVAL;96 }97 98 /* Configure sysclk for codec */99 ret = snd_soc_dai_set_sysclk(codec_dai, 0,100 clk_freq, SND_SOC_CLOCK_IN);101 if (ret < 0)102 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);103 104 return ret;105}106 107static const struct snd_soc_ops sof_cs42l42_ops = {108 .hw_params = sof_cs42l42_hw_params,109};110 111static int sof_card_late_probe(struct snd_soc_card *card)112{113 return sof_intel_board_card_late_probe(card);114}115 116static const struct snd_kcontrol_new sof_controls[] = {117 SOC_DAPM_PIN_SWITCH("Headphone Jack"),118 SOC_DAPM_PIN_SWITCH("Headset Mic"),119};120 121static const struct snd_soc_dapm_widget sof_widgets[] = {122 SND_SOC_DAPM_HP("Headphone Jack", NULL),123 SND_SOC_DAPM_MIC("Headset Mic", NULL),124};125 126static const struct snd_soc_dapm_route sof_map[] = {127 /* HP jack connectors - unknown if we have jack detection */128 {"Headphone Jack", NULL, "HP"},129 130 /* other jacks */131 {"HS", NULL, "Headset Mic"},132};133 134/* sof audio machine driver for cs42l42 codec */135static struct snd_soc_card sof_audio_card_cs42l42 = {136 .name = "cs42l42", /* the sof- prefix is added by the core */137 .owner = THIS_MODULE,138 .controls = sof_controls,139 .num_controls = ARRAY_SIZE(sof_controls),140 .dapm_widgets = sof_widgets,141 .num_dapm_widgets = ARRAY_SIZE(sof_widgets),142 .dapm_routes = sof_map,143 .num_dapm_routes = ARRAY_SIZE(sof_map),144 .fully_routed = true,145 .late_probe = sof_card_late_probe,146};147 148static struct snd_soc_dai_link_component cs42l42_component[] = {149 {150 .name = "i2c-10134242:00",151 .dai_name = "cs42l42",152 }153};154 155static int156sof_card_dai_links_create(struct device *dev, struct snd_soc_card *card,157 struct sof_card_private *ctx)158{159 int ret;160 161 ret = sof_intel_board_set_dai_link(dev, card, ctx);162 if (ret)163 return ret;164 165 if (!ctx->codec_link) {166 dev_err(dev, "codec link not available");167 return -EINVAL;168 }169 170 /* codec-specific fields for headphone codec */171 ctx->codec_link->codecs = cs42l42_component;172 ctx->codec_link->num_codecs = ARRAY_SIZE(cs42l42_component);173 ctx->codec_link->init = sof_cs42l42_init;174 ctx->codec_link->exit = sof_cs42l42_exit;175 ctx->codec_link->ops = &sof_cs42l42_ops;176 177 if (ctx->amp_type == CODEC_NONE)178 return 0;179 180 if (!ctx->amp_link) {181 dev_err(dev, "amp link not available");182 return -EINVAL;183 }184 185 /* codec-specific fields for speaker amplifier */186 switch (ctx->amp_type) {187 case CODEC_MAX98357A:188 max_98357a_dai_link(ctx->amp_link);189 break;190 case CODEC_MAX98360A:191 max_98360a_dai_link(ctx->amp_link);192 break;193 default:194 dev_err(dev, "invalid amp type %d\n", ctx->amp_type);195 return -EINVAL;196 }197 198 return 0;199}200 201#define GLK_LINK_ORDER SOF_LINK_ORDER(SOF_LINK_AMP, \202 SOF_LINK_CODEC, \203 SOF_LINK_DMIC01, \204 SOF_LINK_IDISP_HDMI, \205 SOF_LINK_NONE, \206 SOF_LINK_NONE, \207 SOF_LINK_NONE)208 209static int sof_audio_probe(struct platform_device *pdev)210{211 struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;212 struct sof_card_private *ctx;213 int ret;214 215 if (pdev->id_entry && pdev->id_entry->driver_data)216 sof_cs42l42_quirk = (unsigned long)pdev->id_entry->driver_data;217 218 dev_dbg(&pdev->dev, "sof_cs42l42_quirk = %lx\n", sof_cs42l42_quirk);219 220 /* initialize ctx with board quirk */221 ctx = sof_intel_board_get_ctx(&pdev->dev, sof_cs42l42_quirk);222 if (!ctx)223 return -ENOMEM;224 225 if (soc_intel_is_glk()) {226 ctx->dmic_be_num = 1;227 228 /* overwrite the DAI link order for GLK boards */229 ctx->link_order_overwrite = GLK_LINK_ORDER;230 }231 232 if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)233 ctx->hdmi.idisp_codec = true;234 235 /* update dai_link */236 ret = sof_card_dai_links_create(&pdev->dev, &sof_audio_card_cs42l42, ctx);237 if (ret)238 return ret;239 240 sof_audio_card_cs42l42.dev = &pdev->dev;241 242 /* set platform name for each dailink */243 ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_cs42l42,244 mach->mach_params.platform);245 if (ret)246 return ret;247 248 snd_soc_card_set_drvdata(&sof_audio_card_cs42l42, ctx);249 250 return devm_snd_soc_register_card(&pdev->dev,251 &sof_audio_card_cs42l42);252}253 254static const struct platform_device_id board_ids[] = {255 {256 .name = "glk_cs4242_mx98357a",257 .driver_data = (kernel_ulong_t)(SOF_SSP_PORT_CODEC(2) |258 SOF_SSP_PORT_AMP(1)),259 },260 {261 .name = "jsl_cs4242_mx98360a",262 .driver_data = (kernel_ulong_t)(SOF_SSP_PORT_CODEC(0) |263 SOF_SSP_PORT_AMP(1)),264 },265 {266 .name = "adl_cs42l42_def",267 .driver_data = (kernel_ulong_t)(SOF_SSP_PORT_CODEC(0) |268 SOF_SSP_PORT_AMP(1) |269 SOF_NUM_IDISP_HDMI(4) |270 SOF_BT_OFFLOAD_PRESENT |271 SOF_SSP_PORT_BT_OFFLOAD(2)),272 },273 {274 .name = "rpl_cs42l42_def",275 .driver_data = (kernel_ulong_t)(SOF_SSP_PORT_CODEC(0) |276 SOF_SSP_PORT_AMP(1) |277 SOF_NUM_IDISP_HDMI(4) |278 SOF_BT_OFFLOAD_PRESENT |279 SOF_SSP_PORT_BT_OFFLOAD(2)),280 },281 {282 .name = "mtl_cs42l42_def",283 .driver_data = (kernel_ulong_t)(SOF_SSP_PORT_CODEC(2) |284 SOF_SSP_PORT_AMP(0) |285 SOF_BT_OFFLOAD_PRESENT |286 SOF_SSP_PORT_BT_OFFLOAD(1)),287 },288 { }289};290MODULE_DEVICE_TABLE(platform, board_ids);291 292static struct platform_driver sof_audio = {293 .probe = sof_audio_probe,294 .driver = {295 .name = "sof_cs42l42",296 .pm = &snd_soc_pm_ops,297 },298 .id_table = board_ids,299};300module_platform_driver(sof_audio)301 302/* Module information */303MODULE_DESCRIPTION("SOF Audio Machine driver for CS42L42");304MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");305MODULE_LICENSE("GPL");306MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS);307MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);308