1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2022 Intel Corporation
5 * sof_sdw_rt_amp - Helpers to handle RT1308/RT1316/RT1318 from generic machine driver
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"
21 #define CODEC_NAME_SIZE 7
23 /* choose a larger value to resolve compatibility issues */
24 #define RT_AMP_MAX_BQ_REG RT1316_MAX_BQ_REG
26 struct rt_amp_platform_data {
27 const unsigned char *bq_params;
28 const unsigned int bq_params_cnt;
31 static 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),
36 static 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),
41 static const struct dmi_system_id dmi_platform_data[] = {
42 /* CometLake devices */
45 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
46 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990")
48 .driver_data = (void *)&dell_0a5d_platform_data,
52 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
53 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F")
55 .driver_data = (void *)&dell_0a5d_platform_data,
57 /* TigerLake devices */
60 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
61 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5D")
63 .driver_data = (void *)&dell_0a5d_platform_data,
67 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
68 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5E")
70 .driver_data = (void *)&dell_0a5d_platform_data,
72 /* AlderLake devices */
75 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
76 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B00")
78 .driver_data = (void *)&dell_0b00_platform_data,
82 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
83 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B01")
85 .driver_data = (void *)&dell_0b00_platform_data,
89 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
90 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AFF")
92 .driver_data = (void *)&dell_0b00_platform_data,
96 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
97 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AFE")
99 .driver_data = (void *)&dell_0b00_platform_data,
104 static int rt_amp_add_device_props(struct device *sdw_dev)
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];
113 dmi_data = dmi_first_match(dmi_platform_data);
117 pdata = dmi_data->driver_data;
118 memcpy(¶ms, pdata->bq_params, sizeof(unsigned char) * pdata->bq_params_cnt);
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);
123 fwnode = fwnode_create_software_node(props, NULL);
125 return PTR_ERR(fwnode);
127 ret = device_add_software_node(sdw_dev, to_software_node(fwnode));
129 fwnode_handle_put(fwnode);
134 static const struct snd_kcontrol_new rt_amp_controls[] = {
135 SOC_DAPM_PIN_SWITCH("Speaker"),
138 static const struct snd_soc_dapm_widget rt_amp_widgets[] = {
139 SND_SOC_DAPM_SPK("Speaker", NULL),
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.
148 static 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" },
155 static 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" },
162 static 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" },
169 static const struct snd_soc_dapm_route *get_codec_name_and_route(struct snd_soc_pcm_runtime *rtd,
172 const char *dai_name;
174 dai_name = rtd->dai_link->codecs->dai_name;
176 /* get the codec name */
177 snprintf(codec_name, CODEC_NAME_SIZE, "%s", dai_name);
179 /* choose the right codec's map */
180 if (strcmp(codec_name, "rt1308") == 0)
182 else if (strcmp(codec_name, "rt1316") == 0)
188 static int first_spk_init(struct snd_soc_pcm_runtime *rtd)
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];
195 rt_amp_map = get_codec_name_and_route(rtd, codec_name);
197 card->components = devm_kasprintf(card->dev, GFP_KERNEL,
199 card->components, codec_name);
200 if (!card->components)
203 ret = snd_soc_add_card_controls(card, rt_amp_controls,
204 ARRAY_SIZE(rt_amp_controls));
206 dev_err(card->dev, "%s controls addition failed: %d\n", codec_name, ret);
210 ret = snd_soc_dapm_new_controls(&card->dapm, rt_amp_widgets,
211 ARRAY_SIZE(rt_amp_widgets));
213 dev_err(card->dev, "%s widgets addition failed: %d\n", codec_name, ret);
217 ret = snd_soc_dapm_add_routes(&card->dapm, rt_amp_map, 2);
219 dev_err(rtd->dev, "failed to add first SPK map: %d\n", ret);
224 static int second_spk_init(struct snd_soc_pcm_runtime *rtd)
226 struct snd_soc_card *card = rtd->card;
227 const struct snd_soc_dapm_route *rt_amp_map;
228 char codec_name[CODEC_NAME_SIZE];
231 rt_amp_map = get_codec_name_and_route(rtd, codec_name);
233 ret = snd_soc_dapm_add_routes(&card->dapm, rt_amp_map + 2, 2);
235 dev_err(rtd->dev, "failed to add second SPK map: %d\n", ret);
240 static int all_spk_init(struct snd_soc_pcm_runtime *rtd)
244 ret = first_spk_init(rtd);
248 return second_spk_init(rtd);
251 static int rt1308_i2s_hw_params(struct snd_pcm_substream *substream,
252 struct snd_pcm_hw_params *params)
254 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
255 struct snd_soc_card *card = rtd->card;
256 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
257 int clk_id, clk_freq, pll_out;
260 clk_id = RT1308_PLL_S_MCLK;
263 pll_out = params_rate(params) * 512;
266 err = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out);
268 dev_err(card->dev, "Failed to set RT1308 PLL: %d\n", err);
272 /* Set rt1308 sysclk */
273 err = snd_soc_dai_set_sysclk(codec_dai, RT1308_FS_SYS_S_PLL, pll_out,
276 dev_err(card->dev, "Failed to set RT1308 SYSCLK: %d\n", err);
283 /* machine stream operations */
284 struct snd_soc_ops sof_sdw_rt1308_i2s_ops = {
285 .hw_params = rt1308_i2s_hw_params,
288 int sof_sdw_rt_amp_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
290 struct mc_private *ctx = snd_soc_card_get_drvdata(card);
293 device_remove_software_node(ctx->amp_dev1);
294 put_device(ctx->amp_dev1);
298 device_remove_software_node(ctx->amp_dev2);
299 put_device(ctx->amp_dev2);
305 int sof_sdw_rt_amp_init(struct snd_soc_card *card,
306 const struct snd_soc_acpi_link_adr *link,
307 struct snd_soc_dai_link *dai_links,
308 struct sof_sdw_codec_info *info,
311 struct mc_private *ctx = snd_soc_card_get_drvdata(card);
312 struct device *sdw_dev1, *sdw_dev2;
315 /* Count amp number and do init on playback link only. */
320 if (info->amp_num == 1)
321 dai_links->init = first_spk_init;
323 if (info->amp_num == 2) {
324 sdw_dev1 = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name);
326 return -EPROBE_DEFER;
328 ret = rt_amp_add_device_props(sdw_dev1);
330 put_device(sdw_dev1);
333 ctx->amp_dev1 = sdw_dev1;
335 sdw_dev2 = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[1].name);
337 return -EPROBE_DEFER;
339 ret = rt_amp_add_device_props(sdw_dev2);
341 put_device(sdw_dev2);
344 ctx->amp_dev2 = sdw_dev2;
347 * if two amps are in one dai link, the init function
348 * in this dai link will be first set for the first speaker,
349 * and it should be reset to initialize all speakers when
350 * the second speaker is found.
353 dai_links->init = all_spk_init;
355 dai_links->init = second_spk_init;