1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2020 Intel Corporation. All rights reserved.
4 
5 #include <linux/device.h>
6 #include <linux/kernel.h>
7 #include <sound/pcm.h>
8 #include <sound/pcm_params.h>
9 #include <sound/soc.h>
10 #include <sound/soc-acpi.h>
11 #include <sound/soc-dai.h>
12 #include <sound/soc-dapm.h>
13 #include <uapi/sound/asound.h>
14 #include "../../codecs/rt1011.h"
15 #include "sof_realtek_common.h"
16 
17 /*
18  * Current only 2-amp configuration is supported for rt1011
19  */
20 static const struct snd_soc_dapm_route rt1011_dapm_routes[] = {
21 	/* speaker */
22 	{ "Left Spk", NULL, "Left SPO" },
23 	{ "Right Spk", NULL, "Right SPO" },
24 };
25 
26 /*
27  * Make sure device's Unique ID follows this configuration:
28  *
29  * Two speakers:
30  *         0: left, 1: right
31  * Four speakers:
32  *         0: Woofer left, 1: Woofer right
33  *         2: Tweeter left, 3: Tweeter right
34  */
35 static struct snd_soc_codec_conf rt1011_codec_confs[] = {
36 	{
37 		.dlc = COMP_CODEC_CONF(RT1011_DEV0_NAME),
38 		.name_prefix = "Left",
39 	},
40 	{
41 		.dlc = COMP_CODEC_CONF(RT1011_DEV1_NAME),
42 		.name_prefix = "Right",
43 	},
44 };
45 
46 static struct snd_soc_dai_link_component rt1011_dai_link_components[] = {
47 	{
48 		.name = RT1011_DEV0_NAME,
49 		.dai_name = RT1011_CODEC_DAI,
50 	},
51 	{
52 		.name = RT1011_DEV1_NAME,
53 		.dai_name = RT1011_CODEC_DAI,
54 	},
55 };
56 
57 static const struct {
58 	unsigned int tx;
59 	unsigned int rx;
60 } rt1011_tdm_mask[] = {
61 	{.tx = 0x4, .rx = 0x1},
62 	{.tx = 0x8, .rx = 0x2},
63 };
64 
65 static int rt1011_hw_params(struct snd_pcm_substream *substream,
66 			    struct snd_pcm_hw_params *params)
67 {
68 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
69 	struct snd_soc_dai *codec_dai;
70 	int srate, i, ret = 0;
71 
72 	srate = params_rate(params);
73 
74 	for_each_rtd_codec_dais(rtd, i, codec_dai) {
75 		/* 100 Fs to drive 24 bit data */
76 		ret = snd_soc_dai_set_pll(codec_dai, 0, RT1011_PLL1_S_BCLK,
77 					  100 * srate, 256 * srate);
78 		if (ret < 0) {
79 			dev_err(codec_dai->dev, "fail to set pll, ret %d\n",
80 				ret);
81 			return ret;
82 		}
83 
84 		ret = snd_soc_dai_set_sysclk(codec_dai, RT1011_FS_SYS_PRE_S_PLL1,
85 					     256 * srate, SND_SOC_CLOCK_IN);
86 		if (ret < 0) {
87 			dev_err(codec_dai->dev, "fail to set sysclk, ret %d\n",
88 				ret);
89 			return ret;
90 		}
91 
92 		if (i >= ARRAY_SIZE(rt1011_tdm_mask)) {
93 			dev_err(codec_dai->dev, "invalid codec index %d\n",
94 				i);
95 			return -ENODEV;
96 		}
97 
98 		ret = snd_soc_dai_set_tdm_slot(codec_dai, rt1011_tdm_mask[i].tx,
99 					       rt1011_tdm_mask[i].rx, 4,
100 					       params_width(params));
101 		if (ret < 0) {
102 			dev_err(codec_dai->dev, "fail to set tdm slot, ret %d\n",
103 				ret);
104 			return ret;
105 		}
106 	}
107 
108 	return 0;
109 }
110 
111 static const struct snd_soc_ops rt1011_ops = {
112 	.hw_params = rt1011_hw_params,
113 };
114 
115 static int rt1011_init(struct snd_soc_pcm_runtime *rtd)
116 {
117 	struct snd_soc_card *card = rtd->card;
118 	int ret;
119 
120 	ret = snd_soc_dapm_add_routes(&card->dapm, rt1011_dapm_routes,
121 				      ARRAY_SIZE(rt1011_dapm_routes));
122 	if (ret)
123 		dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
124 	return ret;
125 }
126 
127 void sof_rt1011_dai_link(struct snd_soc_dai_link *link)
128 {
129 	link->codecs = rt1011_dai_link_components;
130 	link->num_codecs = ARRAY_SIZE(rt1011_dai_link_components);
131 	link->init = rt1011_init;
132 	link->ops = &rt1011_ops;
133 }
134 
135 void sof_rt1011_codec_conf(struct snd_soc_card *card)
136 {
137 	card->codec_conf = rt1011_codec_confs;
138 	card->num_configs = ARRAY_SIZE(rt1011_codec_confs);
139 }
140 
141 /*
142  * rt1015:  i2c mode driver for ALC1015 and ALC1015Q
143  * rt1015p: auto-mode driver for ALC1015, ALC1015Q, and ALC1015Q-VB
144  *
145  * For stereo output, there are always two amplifiers on the board.
146  * However, the ACPI implements only one device instance (UID=0) if they
147  * are sharing the same enable pin. The code will detect the number of
148  * device instance and use corresponding DAPM structures for
149  * initialization.
150  */
151 static const struct snd_soc_dapm_route rt1015p_1dev_dapm_routes[] = {
152 	/* speaker */
153 	{ "Left Spk", NULL, "Speaker" },
154 	{ "Right Spk", NULL, "Speaker" },
155 };
156 
157 static const struct snd_soc_dapm_route rt1015p_2dev_dapm_routes[] = {
158 	/* speaker */
159 	{ "Left Spk", NULL, "Left Speaker" },
160 	{ "Right Spk", NULL, "Right Speaker" },
161 };
162 
163 static struct snd_soc_codec_conf rt1015p_codec_confs[] = {
164 	{
165 		.dlc = COMP_CODEC_CONF(RT1015P_DEV0_NAME),
166 		.name_prefix = "Left",
167 	},
168 	{
169 		.dlc = COMP_CODEC_CONF(RT1015P_DEV1_NAME),
170 		.name_prefix = "Right",
171 	},
172 };
173 
174 static struct snd_soc_dai_link_component rt1015p_dai_link_components[] = {
175 	{
176 		.name = RT1015P_DEV0_NAME,
177 		.dai_name = RT1015P_CODEC_DAI,
178 	},
179 	{
180 		.name = RT1015P_DEV1_NAME,
181 		.dai_name = RT1015P_CODEC_DAI,
182 	},
183 };
184 
185 static int rt1015p_get_num_codecs(void)
186 {
187 	static int dev_num;
188 
189 	if (dev_num)
190 		return dev_num;
191 
192 	if (!acpi_dev_present("RTL1015", "1", -1))
193 		dev_num = 1;
194 	else
195 		dev_num = 2;
196 
197 	return dev_num;
198 }
199 
200 static int rt1015p_hw_params(struct snd_pcm_substream *substream,
201 			     struct snd_pcm_hw_params *params)
202 {
203 	/* reserved for debugging purpose */
204 
205 	return 0;
206 }
207 
208 static const struct snd_soc_ops rt1015p_ops = {
209 	.hw_params = rt1015p_hw_params,
210 };
211 
212 static int rt1015p_init(struct snd_soc_pcm_runtime *rtd)
213 {
214 	struct snd_soc_card *card = rtd->card;
215 	int ret;
216 
217 	if (rt1015p_get_num_codecs() == 1)
218 		ret = snd_soc_dapm_add_routes(&card->dapm, rt1015p_1dev_dapm_routes,
219 					      ARRAY_SIZE(rt1015p_1dev_dapm_routes));
220 	else
221 		ret = snd_soc_dapm_add_routes(&card->dapm, rt1015p_2dev_dapm_routes,
222 					      ARRAY_SIZE(rt1015p_2dev_dapm_routes));
223 	if (ret)
224 		dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
225 	return ret;
226 }
227 
228 void sof_rt1015p_dai_link(struct snd_soc_dai_link *link)
229 {
230 	link->codecs = rt1015p_dai_link_components;
231 	link->num_codecs = rt1015p_get_num_codecs();
232 	link->init = rt1015p_init;
233 	link->ops = &rt1015p_ops;
234 }
235 
236 void sof_rt1015p_codec_conf(struct snd_soc_card *card)
237 {
238 	if (rt1015p_get_num_codecs() == 1)
239 		return;
240 
241 	card->codec_conf = rt1015p_codec_confs;
242 	card->num_configs = ARRAY_SIZE(rt1015p_codec_confs);
243 }
244