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1// SPDX-License-Identifier: GPL-2.0-only
2// Copyright(c) 2021 Intel Corporation.
3
4/*
5 * Intel SOF Machine Driver with Cirrus Logic CS42L42 Codec
6 * and speaker codec MAX98357A
7 */
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 int
156sof_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");
1// SPDX-License-Identifier: GPL-2.0-only
2// Copyright(c) 2021 Intel Corporation.
3
4/*
5 * Intel SOF Machine Driver with Cirrus Logic CS42L42 Codec
6 * and speaker codec MAX98357A
7 */
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/soc-acpi.h>
20#include <dt-bindings/sound/cs42l42.h>
21#include "../../codecs/hdac_hdmi.h"
22#include "../common/soc-intel-quirks.h"
23#include "hda_dsp_common.h"
24#include "sof_maxim_common.h"
25
26#define NAME_SIZE 32
27
28#define SOF_CS42L42_SSP_CODEC(quirk) ((quirk) & GENMASK(2, 0))
29#define SOF_CS42L42_SSP_CODEC_MASK (GENMASK(2, 0))
30#define SOF_SPEAKER_AMP_PRESENT BIT(3)
31#define SOF_CS42L42_SSP_AMP_SHIFT 4
32#define SOF_CS42L42_SSP_AMP_MASK (GENMASK(6, 4))
33#define SOF_CS42L42_SSP_AMP(quirk) \
34 (((quirk) << SOF_CS42L42_SSP_AMP_SHIFT) & SOF_CS42L42_SSP_AMP_MASK)
35#define SOF_CS42L42_NUM_HDMIDEV_SHIFT 7
36#define SOF_CS42L42_NUM_HDMIDEV_MASK (GENMASK(9, 7))
37#define SOF_CS42L42_NUM_HDMIDEV(quirk) \
38 (((quirk) << SOF_CS42L42_NUM_HDMIDEV_SHIFT) & SOF_CS42L42_NUM_HDMIDEV_MASK)
39#define SOF_MAX98357A_SPEAKER_AMP_PRESENT BIT(10)
40
41/* Default: SSP2 */
42static unsigned long sof_cs42l42_quirk = SOF_CS42L42_SSP_CODEC(2);
43
44struct sof_hdmi_pcm {
45 struct list_head head;
46 struct snd_soc_dai *codec_dai;
47 struct snd_soc_jack hdmi_jack;
48 int device;
49};
50
51struct sof_card_private {
52 struct snd_soc_jack headset_jack;
53 struct list_head hdmi_pcm_list;
54 bool common_hdmi_codec_drv;
55};
56
57static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
58{
59 struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
60 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
61 struct sof_hdmi_pcm *pcm;
62
63 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
64 if (!pcm)
65 return -ENOMEM;
66
67 /* dai_link id is 1:1 mapped to the PCM device */
68 pcm->device = rtd->dai_link->id;
69 pcm->codec_dai = dai;
70
71 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
72
73 return 0;
74}
75
76static int sof_cs42l42_init(struct snd_soc_pcm_runtime *rtd)
77{
78 struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
79 struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
80 struct snd_soc_jack *jack = &ctx->headset_jack;
81 int ret;
82
83 /*
84 * Headset buttons map to the google Reference headset.
85 * These can be configured by userspace.
86 */
87 ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
88 SND_JACK_HEADSET | SND_JACK_BTN_0 |
89 SND_JACK_BTN_1 | SND_JACK_BTN_2 |
90 SND_JACK_BTN_3,
91 jack, NULL, 0);
92 if (ret) {
93 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
94 return ret;
95 }
96
97 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
98 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
99 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
100 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
101
102 ret = snd_soc_component_set_jack(component, jack, NULL);
103 if (ret) {
104 dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
105 return ret;
106 }
107
108 return ret;
109};
110
111static void sof_cs42l42_exit(struct snd_soc_pcm_runtime *rtd)
112{
113 struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
114
115 snd_soc_component_set_jack(component, NULL, NULL);
116}
117
118static int sof_cs42l42_hw_params(struct snd_pcm_substream *substream,
119 struct snd_pcm_hw_params *params)
120{
121 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
122 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
123 int clk_freq, ret;
124
125 clk_freq = 3072000; /* BCLK freq */
126
127 /* Configure sysclk for codec */
128 ret = snd_soc_dai_set_sysclk(codec_dai, 0,
129 clk_freq, SND_SOC_CLOCK_IN);
130 if (ret < 0)
131 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
132
133 return ret;
134}
135
136static const struct snd_soc_ops sof_cs42l42_ops = {
137 .hw_params = sof_cs42l42_hw_params,
138};
139
140static struct snd_soc_dai_link_component platform_component[] = {
141 {
142 /* name might be overridden during probe */
143 .name = "0000:00:1f.3"
144 }
145};
146
147static int sof_card_late_probe(struct snd_soc_card *card)
148{
149 struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
150 struct snd_soc_component *component = NULL;
151 char jack_name[NAME_SIZE];
152 struct sof_hdmi_pcm *pcm;
153 int err;
154
155 if (list_empty(&ctx->hdmi_pcm_list))
156 return -EINVAL;
157
158 if (ctx->common_hdmi_codec_drv) {
159 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm,
160 head);
161 component = pcm->codec_dai->component;
162 return hda_dsp_hdmi_build_controls(card, component);
163 }
164
165 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
166 component = pcm->codec_dai->component;
167 snprintf(jack_name, sizeof(jack_name),
168 "HDMI/DP, pcm=%d Jack", pcm->device);
169 err = snd_soc_card_jack_new(card, jack_name,
170 SND_JACK_AVOUT, &pcm->hdmi_jack,
171 NULL, 0);
172
173 if (err)
174 return err;
175
176 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
177 &pcm->hdmi_jack);
178 if (err < 0)
179 return err;
180 }
181
182 return hdac_hdmi_jack_port_init(component, &card->dapm);
183}
184
185static const struct snd_kcontrol_new sof_controls[] = {
186 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
187 SOC_DAPM_PIN_SWITCH("Headset Mic"),
188};
189
190static const struct snd_soc_dapm_widget sof_widgets[] = {
191 SND_SOC_DAPM_HP("Headphone Jack", NULL),
192 SND_SOC_DAPM_MIC("Headset Mic", NULL),
193};
194
195static const struct snd_soc_dapm_widget dmic_widgets[] = {
196 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
197};
198
199static const struct snd_soc_dapm_route sof_map[] = {
200 /* HP jack connectors - unknown if we have jack detection */
201 {"Headphone Jack", NULL, "HP"},
202
203 /* other jacks */
204 {"HS", NULL, "Headset Mic"},
205};
206
207static const struct snd_soc_dapm_route dmic_map[] = {
208 /* digital mics */
209 {"DMic", NULL, "SoC DMIC"},
210};
211
212static int dmic_init(struct snd_soc_pcm_runtime *rtd)
213{
214 struct snd_soc_card *card = rtd->card;
215 int ret;
216
217 ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
218 ARRAY_SIZE(dmic_widgets));
219 if (ret) {
220 dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
221 /* Don't need to add routes if widget addition failed */
222 return ret;
223 }
224
225 ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
226 ARRAY_SIZE(dmic_map));
227
228 if (ret)
229 dev_err(card->dev, "DMic map addition failed: %d\n", ret);
230
231 return ret;
232}
233
234/* sof audio machine driver for cs42l42 codec */
235static struct snd_soc_card sof_audio_card_cs42l42 = {
236 .name = "cs42l42", /* the sof- prefix is added by the core */
237 .owner = THIS_MODULE,
238 .controls = sof_controls,
239 .num_controls = ARRAY_SIZE(sof_controls),
240 .dapm_widgets = sof_widgets,
241 .num_dapm_widgets = ARRAY_SIZE(sof_widgets),
242 .dapm_routes = sof_map,
243 .num_dapm_routes = ARRAY_SIZE(sof_map),
244 .fully_routed = true,
245 .late_probe = sof_card_late_probe,
246};
247
248static struct snd_soc_dai_link_component cs42l42_component[] = {
249 {
250 .name = "i2c-10134242:00",
251 .dai_name = "cs42l42",
252 }
253};
254
255static struct snd_soc_dai_link_component dmic_component[] = {
256 {
257 .name = "dmic-codec",
258 .dai_name = "dmic-hifi",
259 }
260};
261
262static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
263 int ssp_codec,
264 int ssp_amp,
265 int dmic_be_num,
266 int hdmi_num)
267{
268 struct snd_soc_dai_link_component *idisp_components;
269 struct snd_soc_dai_link_component *cpus;
270 struct snd_soc_dai_link *links;
271 int i, id = 0;
272
273 links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) *
274 sof_audio_card_cs42l42.num_links, GFP_KERNEL);
275 cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component) *
276 sof_audio_card_cs42l42.num_links, GFP_KERNEL);
277 if (!links || !cpus)
278 goto devm_err;
279
280 /* speaker amp */
281 if (sof_cs42l42_quirk & SOF_SPEAKER_AMP_PRESENT) {
282 links[id].name = devm_kasprintf(dev, GFP_KERNEL,
283 "SSP%d-Codec", ssp_amp);
284 if (!links[id].name)
285 goto devm_err;
286
287 links[id].id = id;
288
289 if (sof_cs42l42_quirk & SOF_MAX98357A_SPEAKER_AMP_PRESENT) {
290 max_98357a_dai_link(&links[id]);
291 } else {
292 dev_err(dev, "no amp defined\n");
293 goto devm_err;
294 }
295
296 links[id].platforms = platform_component;
297 links[id].num_platforms = ARRAY_SIZE(platform_component);
298 links[id].dpcm_playback = 1;
299 links[id].no_pcm = 1;
300 links[id].cpus = &cpus[id];
301 links[id].num_cpus = 1;
302
303 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
304 "SSP%d Pin",
305 ssp_amp);
306 if (!links[id].cpus->dai_name)
307 goto devm_err;
308
309 id++;
310 }
311
312 /* codec SSP */
313 links[id].name = devm_kasprintf(dev, GFP_KERNEL,
314 "SSP%d-Codec", ssp_codec);
315 if (!links[id].name)
316 goto devm_err;
317
318 links[id].id = id;
319 links[id].codecs = cs42l42_component;
320 links[id].num_codecs = ARRAY_SIZE(cs42l42_component);
321 links[id].platforms = platform_component;
322 links[id].num_platforms = ARRAY_SIZE(platform_component);
323 links[id].init = sof_cs42l42_init;
324 links[id].exit = sof_cs42l42_exit;
325 links[id].ops = &sof_cs42l42_ops;
326 links[id].dpcm_playback = 1;
327 links[id].dpcm_capture = 1;
328 links[id].no_pcm = 1;
329 links[id].cpus = &cpus[id];
330 links[id].num_cpus = 1;
331
332 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
333 "SSP%d Pin",
334 ssp_codec);
335 if (!links[id].cpus->dai_name)
336 goto devm_err;
337
338 id++;
339
340 /* dmic */
341 if (dmic_be_num > 0) {
342 /* at least we have dmic01 */
343 links[id].name = "dmic01";
344 links[id].cpus = &cpus[id];
345 links[id].cpus->dai_name = "DMIC01 Pin";
346 links[id].init = dmic_init;
347 if (dmic_be_num > 1) {
348 /* set up 2 BE links at most */
349 links[id + 1].name = "dmic16k";
350 links[id + 1].cpus = &cpus[id + 1];
351 links[id + 1].cpus->dai_name = "DMIC16k Pin";
352 dmic_be_num = 2;
353 }
354 }
355
356 for (i = 0; i < dmic_be_num; i++) {
357 links[id].id = id;
358 links[id].num_cpus = 1;
359 links[id].codecs = dmic_component;
360 links[id].num_codecs = ARRAY_SIZE(dmic_component);
361 links[id].platforms = platform_component;
362 links[id].num_platforms = ARRAY_SIZE(platform_component);
363 links[id].ignore_suspend = 1;
364 links[id].dpcm_capture = 1;
365 links[id].no_pcm = 1;
366 id++;
367 }
368
369 /* HDMI */
370 if (hdmi_num > 0) {
371 idisp_components = devm_kzalloc(dev,
372 sizeof(struct snd_soc_dai_link_component) *
373 hdmi_num, GFP_KERNEL);
374 if (!idisp_components)
375 goto devm_err;
376 }
377 for (i = 1; i <= hdmi_num; i++) {
378 links[id].name = devm_kasprintf(dev, GFP_KERNEL,
379 "iDisp%d", i);
380 if (!links[id].name)
381 goto devm_err;
382
383 links[id].id = id;
384 links[id].cpus = &cpus[id];
385 links[id].num_cpus = 1;
386 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
387 "iDisp%d Pin", i);
388 if (!links[id].cpus->dai_name)
389 goto devm_err;
390
391 idisp_components[i - 1].name = "ehdaudio0D2";
392 idisp_components[i - 1].dai_name = devm_kasprintf(dev,
393 GFP_KERNEL,
394 "intel-hdmi-hifi%d",
395 i);
396 if (!idisp_components[i - 1].dai_name)
397 goto devm_err;
398
399 links[id].codecs = &idisp_components[i - 1];
400 links[id].num_codecs = 1;
401 links[id].platforms = platform_component;
402 links[id].num_platforms = ARRAY_SIZE(platform_component);
403 links[id].init = sof_hdmi_init;
404 links[id].dpcm_playback = 1;
405 links[id].no_pcm = 1;
406 id++;
407 }
408
409 return links;
410devm_err:
411 return NULL;
412}
413
414static int sof_audio_probe(struct platform_device *pdev)
415{
416 struct snd_soc_dai_link *dai_links;
417 struct snd_soc_acpi_mach *mach;
418 struct sof_card_private *ctx;
419 int dmic_be_num, hdmi_num;
420 int ret, ssp_amp, ssp_codec;
421
422 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
423 if (!ctx)
424 return -ENOMEM;
425
426 if (pdev->id_entry && pdev->id_entry->driver_data)
427 sof_cs42l42_quirk = (unsigned long)pdev->id_entry->driver_data;
428
429 mach = pdev->dev.platform_data;
430
431 if (soc_intel_is_glk()) {
432 dmic_be_num = 1;
433 hdmi_num = 3;
434 } else {
435 dmic_be_num = 2;
436 hdmi_num = (sof_cs42l42_quirk & SOF_CS42L42_NUM_HDMIDEV_MASK) >>
437 SOF_CS42L42_NUM_HDMIDEV_SHIFT;
438 /* default number of HDMI DAI's */
439 if (!hdmi_num)
440 hdmi_num = 3;
441 }
442
443 dev_dbg(&pdev->dev, "sof_cs42l42_quirk = %lx\n", sof_cs42l42_quirk);
444
445 ssp_amp = (sof_cs42l42_quirk & SOF_CS42L42_SSP_AMP_MASK) >>
446 SOF_CS42L42_SSP_AMP_SHIFT;
447
448 ssp_codec = sof_cs42l42_quirk & SOF_CS42L42_SSP_CODEC_MASK;
449
450 /* compute number of dai links */
451 sof_audio_card_cs42l42.num_links = 1 + dmic_be_num + hdmi_num;
452
453 if (sof_cs42l42_quirk & SOF_SPEAKER_AMP_PRESENT)
454 sof_audio_card_cs42l42.num_links++;
455
456 dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, ssp_amp,
457 dmic_be_num, hdmi_num);
458 if (!dai_links)
459 return -ENOMEM;
460
461 sof_audio_card_cs42l42.dai_link = dai_links;
462
463 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
464
465 sof_audio_card_cs42l42.dev = &pdev->dev;
466
467 /* set platform name for each dailink */
468 ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_cs42l42,
469 mach->mach_params.platform);
470 if (ret)
471 return ret;
472
473 ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv;
474
475 snd_soc_card_set_drvdata(&sof_audio_card_cs42l42, ctx);
476
477 return devm_snd_soc_register_card(&pdev->dev,
478 &sof_audio_card_cs42l42);
479}
480
481static const struct platform_device_id board_ids[] = {
482 {
483 .name = "glk_cs4242_mx98357a",
484 .driver_data = (kernel_ulong_t)(SOF_CS42L42_SSP_CODEC(2) |
485 SOF_SPEAKER_AMP_PRESENT |
486 SOF_MAX98357A_SPEAKER_AMP_PRESENT |
487 SOF_CS42L42_SSP_AMP(1)),
488 },
489 { }
490};
491MODULE_DEVICE_TABLE(platform, board_ids);
492
493static struct platform_driver sof_audio = {
494 .probe = sof_audio_probe,
495 .driver = {
496 .name = "sof_cs42l42",
497 .pm = &snd_soc_pm_ops,
498 },
499 .id_table = board_ids,
500};
501module_platform_driver(sof_audio)
502
503/* Module information */
504MODULE_DESCRIPTION("SOF Audio Machine driver for CS42L42");
505MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
506MODULE_LICENSE("GPL");
507MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
508MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);