xref: /linux/sound/pci/hda/cs35l41_hda_property.c (revision d7f39aee79f04eeaa42085728423501b33ac5be5)
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // CS35L41 ALSA HDA Property driver
4 //
5 // Copyright 2023 Cirrus Logic, Inc.
6 //
7 // Author: Stefan Binding <sbinding@opensource.cirrus.com>
8 
9 #include <linux/acpi.h>
10 #include <linux/gpio/consumer.h>
11 #include <linux/string.h>
12 #include "cs35l41_hda_property.h"
13 #include <linux/spi/spi.h>
14 
15 #define MAX_AMPS 4
16 
17 struct cs35l41_config {
18 	const char *ssid;
19 	int num_amps;
20 	enum {
21 		INTERNAL,
22 		EXTERNAL
23 	} boost_type;
24 	u8 channel[MAX_AMPS];
25 	int reset_gpio_index; /* -1 if no reset gpio */
26 	int spkid_gpio_index; /* -1 if no spkid gpio */
27 	int cs_gpio_index; /* -1 if no cs gpio, or cs-gpios already exists, max num amps == 2 */
28 	int boost_ind_nanohenry; /* Required if boost_type == Internal */
29 	int boost_peak_milliamp; /* Required if boost_type == Internal */
30 	int boost_cap_microfarad; /* Required if boost_type == Internal */
31 };
32 
33 static const struct cs35l41_config cs35l41_config_table[] = {
34 	{ "10280B27", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
35 	{ "10280B28", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
36 	{ "10280BEB", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 0, 0, 0 },
37 	{ "10280C4D", 4, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, CS35L41_LEFT, CS35L41_RIGHT }, 0, 1, -1, 1000, 4500, 24 },
38 /*
39  * Device 103C89C6 does have _DSD, however it is setup to use the wrong boost type.
40  * We can override the _DSD to correct the boost type here.
41  * Since this laptop has valid ACPI, we do not need to handle cs-gpios, since that already exists
42  * in the ACPI. The Reset GPIO is also valid, so we can use the Reset defined in _DSD.
43  */
44 	{ "103C89C6", 2, INTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, 0, 0 }, -1, -1, -1, 1000, 4500, 24 },
45 	{ "103C8A28", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
46 	{ "103C8A29", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
47 	{ "103C8A2A", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
48 	{ "103C8A2B", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
49 	{ "103C8A2C", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
50 	{ "103C8A2D", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
51 	{ "103C8A2E", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
52 	{ "103C8A30", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
53 	{ "103C8A31", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
54 	{ "103C8A6E", 4, EXTERNAL, { CS35L41_LEFT, CS35L41_LEFT, CS35L41_RIGHT, CS35L41_RIGHT }, 0, -1, -1, 0, 0, 0 },
55 	{ "103C8BB3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
56 	{ "103C8BB4", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
57 	{ "103C8BDD", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
58 	{ "103C8BDE", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
59 	{ "103C8BDF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
60 	{ "103C8BE0", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
61 	{ "103C8BE1", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
62 	{ "103C8BE2", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
63 	{ "103C8BE3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
64 	{ "103C8BE5", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
65 	{ "103C8BE6", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
66 	{ "103C8BE7", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
67 	{ "103C8BE8", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
68 	{ "103C8BE9", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
69 	{ "103C8B3A", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
70 	{ "103C8C15", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4000, 24 },
71 	{ "103C8C16", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4000, 24 },
72 	{ "103C8C17", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4000, 24 },
73 	{ "103C8C4D", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
74 	{ "103C8C4E", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
75 	{ "103C8C4F", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
76 	{ "103C8C50", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
77 	{ "103C8C51", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
78 	{ "103C8CDD", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
79 	{ "103C8CDE", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 3900, 24 },
80 	{ "104312AF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
81 	{ "10431433", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
82 	{ "10431463", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
83 	{ "10431473", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 1000, 4500, 24 },
84 	{ "10431483", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 1000, 4500, 24 },
85 	{ "10431493", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
86 	{ "104314D3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
87 	{ "104314E3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
88 	{ "10431503", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
89 	{ "10431533", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
90 	{ "10431573", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
91 	{ "10431663", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 1000, 4500, 24 },
92 	{ "10431683", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
93 	{ "104316A3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
94 	{ "104316D3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
95 	{ "104316F3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
96 	{ "104317F3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
97 	{ "10431863", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
98 	{ "104318D3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
99 	{ "10431A83", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
100 	{ "10431B93", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
101 	{ "10431C9F", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
102 	{ "10431CAF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
103 	{ "10431CCF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
104 	{ "10431CDF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
105 	{ "10431CEF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
106 	{ "10431D1F", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
107 	{ "10431DA2", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
108 	{ "10431E02", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
109 	{ "10431E12", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
110 	{ "10431EE2", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
111 	{ "10431F12", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
112 	{ "10431F1F", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 0, 0, 0 },
113 	{ "10431F62", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
114 	{ "10433A20", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
115 	{ "10433A30", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
116 	{ "10433A40", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
117 	{ "10433A50", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
118 	{ "10433A60", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
119 	{ "17AA3865", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
120 	{ "17AA3866", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
121 	{ "17AA386E", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
122 	{ "17AA386F", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
123 	{ "17AA3877", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
124 	{ "17AA3878", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
125 	{ "17AA38A9", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
126 	{ "17AA38AB", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
127 	{ "17AA38B4", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
128 	{ "17AA38B5", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
129 	{ "17AA38B6", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
130 	{ "17AA38B7", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
131 	{ "17AA38C7", 4, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, CS35L41_LEFT, CS35L41_RIGHT }, 0, 2, -1, 1000, 4500, 24 },
132 	{ "17AA38C8", 4, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, CS35L41_LEFT, CS35L41_RIGHT }, 0, 2, -1, 1000, 4500, 24 },
133 	{ "17AA38F9", 2, EXTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
134 	{ "17AA38FA", 2, EXTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
135 	{}
136 };
137 
138 static int cs35l41_add_gpios(struct cs35l41_hda *cs35l41, struct device *physdev, int reset_gpio,
139 			     int spkid_gpio, int cs_gpio_index, int num_amps)
140 {
141 	struct acpi_gpio_mapping *gpio_mapping = NULL;
142 	struct acpi_gpio_params *reset_gpio_params = NULL;
143 	struct acpi_gpio_params *spkid_gpio_params = NULL;
144 	struct acpi_gpio_params *cs_gpio_params = NULL;
145 	unsigned int num_entries = 0;
146 	unsigned int reset_index, spkid_index, csgpio_index;
147 	int i;
148 
149 	/*
150 	 * GPIO Mapping only needs to be done once, since it would be available for subsequent amps
151 	 */
152 	if (cs35l41->dacpi->driver_gpios)
153 		return 0;
154 
155 	if (reset_gpio >= 0) {
156 		reset_index = num_entries;
157 		num_entries++;
158 	}
159 
160 	if (spkid_gpio >= 0) {
161 		spkid_index = num_entries;
162 		num_entries++;
163 	}
164 
165 	if ((cs_gpio_index >= 0)  && (num_amps == 2)) {
166 		csgpio_index = num_entries;
167 		num_entries++;
168 	}
169 
170 	if (!num_entries)
171 		return 0;
172 
173 	/* must include termination entry */
174 	num_entries++;
175 
176 	gpio_mapping = devm_kcalloc(physdev, num_entries, sizeof(struct acpi_gpio_mapping),
177 				    GFP_KERNEL);
178 
179 	if (!gpio_mapping)
180 		goto err;
181 
182 	if (reset_gpio >= 0) {
183 		gpio_mapping[reset_index].name = "reset-gpios";
184 		reset_gpio_params = devm_kcalloc(physdev, num_amps, sizeof(struct acpi_gpio_params),
185 						 GFP_KERNEL);
186 		if (!reset_gpio_params)
187 			goto err;
188 
189 		for (i = 0; i < num_amps; i++)
190 			reset_gpio_params[i].crs_entry_index = reset_gpio;
191 
192 		gpio_mapping[reset_index].data = reset_gpio_params;
193 		gpio_mapping[reset_index].size = num_amps;
194 	}
195 
196 	if (spkid_gpio >= 0) {
197 		gpio_mapping[spkid_index].name = "spk-id-gpios";
198 		spkid_gpio_params = devm_kcalloc(physdev, num_amps, sizeof(struct acpi_gpio_params),
199 						 GFP_KERNEL);
200 		if (!spkid_gpio_params)
201 			goto err;
202 
203 		for (i = 0; i < num_amps; i++)
204 			spkid_gpio_params[i].crs_entry_index = spkid_gpio;
205 
206 		gpio_mapping[spkid_index].data = spkid_gpio_params;
207 		gpio_mapping[spkid_index].size = num_amps;
208 	}
209 
210 	if ((cs_gpio_index >= 0) && (num_amps == 2)) {
211 		gpio_mapping[csgpio_index].name = "cs-gpios";
212 		/* only one GPIO CS is supported without using _DSD, obtained using index 0 */
213 		cs_gpio_params = devm_kzalloc(physdev, sizeof(struct acpi_gpio_params), GFP_KERNEL);
214 		if (!cs_gpio_params)
215 			goto err;
216 
217 		cs_gpio_params->crs_entry_index = cs_gpio_index;
218 
219 		gpio_mapping[csgpio_index].data = cs_gpio_params;
220 		gpio_mapping[csgpio_index].size = 1;
221 	}
222 
223 	return devm_acpi_dev_add_driver_gpios(physdev, gpio_mapping);
224 err:
225 	devm_kfree(physdev, gpio_mapping);
226 	devm_kfree(physdev, reset_gpio_params);
227 	devm_kfree(physdev, spkid_gpio_params);
228 	devm_kfree(physdev, cs_gpio_params);
229 	return -ENOMEM;
230 }
231 
232 static int generic_dsd_config(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
233 			      const char *hid)
234 {
235 	struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
236 	const struct cs35l41_config *cfg;
237 	struct gpio_desc *cs_gpiod;
238 	struct spi_device *spi;
239 	bool dsd_found;
240 	int ret;
241 	int i;
242 
243 	for (cfg = cs35l41_config_table; cfg->ssid; cfg++) {
244 		if (!strcasecmp(cfg->ssid, cs35l41->acpi_subsystem_id))
245 			break;
246 	}
247 
248 	if (!cfg->ssid)
249 		return -ENOENT;
250 
251 	if (!cs35l41->dacpi || cs35l41->dacpi != ACPI_COMPANION(physdev)) {
252 		dev_err(cs35l41->dev, "ACPI Device does not match, cannot override _DSD.\n");
253 		return -ENODEV;
254 	}
255 
256 	dev_info(cs35l41->dev, "Adding DSD properties for %s\n", cs35l41->acpi_subsystem_id);
257 
258 	dsd_found = acpi_dev_has_props(cs35l41->dacpi);
259 
260 	if (!dsd_found) {
261 		ret = cs35l41_add_gpios(cs35l41, physdev, cfg->reset_gpio_index,
262 						 cfg->spkid_gpio_index, cfg->cs_gpio_index,
263 						 cfg->num_amps);
264 		if (ret) {
265 			dev_err(cs35l41->dev, "Error adding GPIO mapping: %d\n", ret);
266 			return ret;
267 		}
268 	} else if (cfg->reset_gpio_index >= 0 || cfg->spkid_gpio_index >= 0) {
269 		dev_warn(cs35l41->dev, "Cannot add Reset/Speaker ID/SPI CS GPIO Mapping, "
270 			 "_DSD already exists.\n");
271 	}
272 
273 	if (cs35l41->control_bus == SPI) {
274 		cs35l41->index = id;
275 
276 		/*
277 		 * Manually set the Chip Select for the second amp <cs_gpio_index> in the node.
278 		 * This is only supported for systems with 2 amps, since we cannot expand the
279 		 * default number of chip selects without using cs-gpios
280 		 * The CS GPIO must be set high prior to communicating with the first amp (which
281 		 * uses a native chip select), to ensure the second amp does not clash with the
282 		 * first.
283 		 */
284 		if (IS_ENABLED(CONFIG_SPI) && cfg->cs_gpio_index >= 0) {
285 			spi = to_spi_device(cs35l41->dev);
286 
287 			if (cfg->num_amps != 2) {
288 				dev_warn(cs35l41->dev,
289 					 "Cannot update SPI CS, Number of Amps (%d) != 2\n",
290 					 cfg->num_amps);
291 			} else if (dsd_found) {
292 				dev_warn(cs35l41->dev,
293 					"Cannot update SPI CS, _DSD already exists.\n");
294 			} else {
295 				/*
296 				 * This is obtained using driver_gpios, since only one GPIO for CS
297 				 * exists, this can be obtained using index 0.
298 				 */
299 				cs_gpiod = gpiod_get_index(physdev, "cs", 0, GPIOD_OUT_LOW);
300 				if (IS_ERR(cs_gpiod)) {
301 					dev_err(cs35l41->dev,
302 						"Unable to get Chip Select GPIO descriptor\n");
303 					return PTR_ERR(cs_gpiod);
304 				}
305 				if (id == 1) {
306 					spi_set_csgpiod(spi, 0, cs_gpiod);
307 					cs35l41->cs_gpio = cs_gpiod;
308 				} else {
309 					gpiod_set_value_cansleep(cs_gpiod, true);
310 					gpiod_put(cs_gpiod);
311 				}
312 				spi_setup(spi);
313 			}
314 		}
315 	} else {
316 		if (cfg->num_amps > 2)
317 			/*
318 			 * i2c addresses for 3/4 amps are used in order: 0x40, 0x41, 0x42, 0x43,
319 			 * subtracting 0x40 would give zero-based index
320 			 */
321 			cs35l41->index = id - 0x40;
322 		else
323 			/* i2c addr 0x40 for first amp (always), 0x41/0x42 for 2nd amp */
324 			cs35l41->index = id == 0x40 ? 0 : 1;
325 	}
326 
327 	cs35l41->reset_gpio = fwnode_gpiod_get_index(acpi_fwnode_handle(cs35l41->dacpi), "reset",
328 						     cs35l41->index, GPIOD_OUT_LOW,
329 						     "cs35l41-reset");
330 	cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, cs35l41->index, cfg->num_amps, -1);
331 
332 	hw_cfg->spk_pos = cfg->channel[cs35l41->index];
333 
334 	cs35l41->channel_index = 0;
335 	for (i = 0; i < cs35l41->index; i++)
336 		if (cfg->channel[i] == hw_cfg->spk_pos)
337 			cs35l41->channel_index++;
338 
339 	if (cfg->boost_type == INTERNAL) {
340 		hw_cfg->bst_type = CS35L41_INT_BOOST;
341 		hw_cfg->bst_ind = cfg->boost_ind_nanohenry;
342 		hw_cfg->bst_ipk = cfg->boost_peak_milliamp;
343 		hw_cfg->bst_cap = cfg->boost_cap_microfarad;
344 		hw_cfg->gpio1.func = CS35L41_NOT_USED;
345 		hw_cfg->gpio1.valid = true;
346 	} else {
347 		hw_cfg->bst_type = CS35L41_EXT_BOOST;
348 		hw_cfg->bst_ind = -1;
349 		hw_cfg->bst_ipk = -1;
350 		hw_cfg->bst_cap = -1;
351 		hw_cfg->gpio1.func = CS35l41_VSPK_SWITCH;
352 		hw_cfg->gpio1.valid = true;
353 	}
354 
355 	hw_cfg->gpio2.func = CS35L41_INTERRUPT;
356 	hw_cfg->gpio2.valid = true;
357 	hw_cfg->valid = true;
358 
359 	return 0;
360 }
361 
362 /*
363  * Systems 103C8C66, 103C8C67, 103C8C68, 103C8C6A use a dual speaker id system - each speaker has
364  * its own speaker id.
365  */
366 static int hp_i2c_int_2amp_dual_spkid(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
367 				      const char *hid)
368 {
369 	struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
370 
371 	/* If _DSD exists for this laptop, we cannot support it through here */
372 	if (acpi_dev_has_props(cs35l41->dacpi))
373 		return -ENOENT;
374 
375 	/* check I2C address to assign the index */
376 	cs35l41->index = id == 0x40 ? 0 : 1;
377 	cs35l41->channel_index = 0;
378 	cs35l41->reset_gpio = gpiod_get_index(physdev, NULL, 0, GPIOD_OUT_HIGH);
379 	if (cs35l41->index == 0)
380 		cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, 0, 0, 1);
381 	else
382 		cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, 0, 0, 2);
383 	hw_cfg->spk_pos = cs35l41->index;
384 	hw_cfg->gpio2.func = CS35L41_INTERRUPT;
385 	hw_cfg->gpio2.valid = true;
386 	hw_cfg->valid = true;
387 
388 	hw_cfg->bst_type = CS35L41_INT_BOOST;
389 	hw_cfg->bst_ind = 1000;
390 	hw_cfg->bst_ipk = 4100;
391 	hw_cfg->bst_cap = 24;
392 	hw_cfg->gpio1.func = CS35L41_NOT_USED;
393 	hw_cfg->gpio1.valid = true;
394 
395 	return 0;
396 }
397 
398 /*
399  * Device CLSA010(0/1) doesn't have _DSD so a gpiod_get by the label reset won't work.
400  * And devices created by serial-multi-instantiate don't have their device struct
401  * pointing to the correct fwnode, so acpi_dev must be used here.
402  * And devm functions expect that the device requesting the resource has the correct
403  * fwnode.
404  */
405 static int lenovo_legion_no_acpi(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
406 				 const char *hid)
407 {
408 	struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
409 
410 	/* check I2C address to assign the index */
411 	cs35l41->index = id == 0x40 ? 0 : 1;
412 	cs35l41->channel_index = 0;
413 	cs35l41->reset_gpio = gpiod_get_index(physdev, NULL, 0, GPIOD_OUT_HIGH);
414 	cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, 0, 0, 2);
415 	hw_cfg->spk_pos = cs35l41->index;
416 	hw_cfg->gpio2.func = CS35L41_INTERRUPT;
417 	hw_cfg->gpio2.valid = true;
418 	hw_cfg->valid = true;
419 
420 	if (strcmp(hid, "CLSA0100") == 0) {
421 		hw_cfg->bst_type = CS35L41_EXT_BOOST_NO_VSPK_SWITCH;
422 	} else if (strcmp(hid, "CLSA0101") == 0) {
423 		hw_cfg->bst_type = CS35L41_EXT_BOOST;
424 		hw_cfg->gpio1.func = CS35l41_VSPK_SWITCH;
425 		hw_cfg->gpio1.valid = true;
426 	}
427 
428 	return 0;
429 }
430 
431 struct cs35l41_prop_model {
432 	const char *hid;
433 	const char *ssid;
434 	int (*add_prop)(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
435 			const char *hid);
436 };
437 
438 static const struct cs35l41_prop_model cs35l41_prop_model_table[] = {
439 	{ "CLSA0100", NULL, lenovo_legion_no_acpi },
440 	{ "CLSA0101", NULL, lenovo_legion_no_acpi },
441 	{ "CSC3551", "10280B27", generic_dsd_config },
442 	{ "CSC3551", "10280B28", generic_dsd_config },
443 	{ "CSC3551", "10280BEB", generic_dsd_config },
444 	{ "CSC3551", "10280C4D", generic_dsd_config },
445 	{ "CSC3551", "103C89C6", generic_dsd_config },
446 	{ "CSC3551", "103C8A28", generic_dsd_config },
447 	{ "CSC3551", "103C8A29", generic_dsd_config },
448 	{ "CSC3551", "103C8A2A", generic_dsd_config },
449 	{ "CSC3551", "103C8A2B", generic_dsd_config },
450 	{ "CSC3551", "103C8A2C", generic_dsd_config },
451 	{ "CSC3551", "103C8A2D", generic_dsd_config },
452 	{ "CSC3551", "103C8A2E", generic_dsd_config },
453 	{ "CSC3551", "103C8A30", generic_dsd_config },
454 	{ "CSC3551", "103C8A31", generic_dsd_config },
455 	{ "CSC3551", "103C8A6E", generic_dsd_config },
456 	{ "CSC3551", "103C8BB3", generic_dsd_config },
457 	{ "CSC3551", "103C8BB4", generic_dsd_config },
458 	{ "CSC3551", "103C8BDD", generic_dsd_config },
459 	{ "CSC3551", "103C8BDE", generic_dsd_config },
460 	{ "CSC3551", "103C8BDF", generic_dsd_config },
461 	{ "CSC3551", "103C8BE0", generic_dsd_config },
462 	{ "CSC3551", "103C8BE1", generic_dsd_config },
463 	{ "CSC3551", "103C8BE2", generic_dsd_config },
464 	{ "CSC3551", "103C8BE3", generic_dsd_config },
465 	{ "CSC3551", "103C8BE5", generic_dsd_config },
466 	{ "CSC3551", "103C8BE6", generic_dsd_config },
467 	{ "CSC3551", "103C8BE7", generic_dsd_config },
468 	{ "CSC3551", "103C8BE8", generic_dsd_config },
469 	{ "CSC3551", "103C8BE9", generic_dsd_config },
470 	{ "CSC3551", "103C8B3A", generic_dsd_config },
471 	{ "CSC3551", "103C8C15", generic_dsd_config },
472 	{ "CSC3551", "103C8C16", generic_dsd_config },
473 	{ "CSC3551", "103C8C17", generic_dsd_config },
474 	{ "CSC3551", "103C8C4D", generic_dsd_config },
475 	{ "CSC3551", "103C8C4E", generic_dsd_config },
476 	{ "CSC3551", "103C8C4F", generic_dsd_config },
477 	{ "CSC3551", "103C8C50", generic_dsd_config },
478 	{ "CSC3551", "103C8C51", generic_dsd_config },
479 	{ "CSC3551", "103C8C66", hp_i2c_int_2amp_dual_spkid },
480 	{ "CSC3551", "103C8C67", hp_i2c_int_2amp_dual_spkid },
481 	{ "CSC3551", "103C8C68", hp_i2c_int_2amp_dual_spkid },
482 	{ "CSC3551", "103C8C6A", hp_i2c_int_2amp_dual_spkid },
483 	{ "CSC3551", "103C8CDD", generic_dsd_config },
484 	{ "CSC3551", "103C8CDE", generic_dsd_config },
485 	{ "CSC3551", "104312AF", generic_dsd_config },
486 	{ "CSC3551", "10431433", generic_dsd_config },
487 	{ "CSC3551", "10431463", generic_dsd_config },
488 	{ "CSC3551", "10431473", generic_dsd_config },
489 	{ "CSC3551", "10431483", generic_dsd_config },
490 	{ "CSC3551", "10431493", generic_dsd_config },
491 	{ "CSC3551", "104314D3", generic_dsd_config },
492 	{ "CSC3551", "104314E3", generic_dsd_config },
493 	{ "CSC3551", "10431503", generic_dsd_config },
494 	{ "CSC3551", "10431533", generic_dsd_config },
495 	{ "CSC3551", "10431573", generic_dsd_config },
496 	{ "CSC3551", "10431663", generic_dsd_config },
497 	{ "CSC3551", "10431683", generic_dsd_config },
498 	{ "CSC3551", "104316A3", generic_dsd_config },
499 	{ "CSC3551", "104316D3", generic_dsd_config },
500 	{ "CSC3551", "104316F3", generic_dsd_config },
501 	{ "CSC3551", "104317F3", generic_dsd_config },
502 	{ "CSC3551", "10431863", generic_dsd_config },
503 	{ "CSC3551", "104318D3", generic_dsd_config },
504 	{ "CSC3551", "10431A83", generic_dsd_config },
505 	{ "CSC3551", "10431B93", generic_dsd_config },
506 	{ "CSC3551", "10431C9F", generic_dsd_config },
507 	{ "CSC3551", "10431CAF", generic_dsd_config },
508 	{ "CSC3551", "10431CCF", generic_dsd_config },
509 	{ "CSC3551", "10431CDF", generic_dsd_config },
510 	{ "CSC3551", "10431CEF", generic_dsd_config },
511 	{ "CSC3551", "10431D1F", generic_dsd_config },
512 	{ "CSC3551", "10431DA2", generic_dsd_config },
513 	{ "CSC3551", "10431E02", generic_dsd_config },
514 	{ "CSC3551", "10431E12", generic_dsd_config },
515 	{ "CSC3551", "10431EE2", generic_dsd_config },
516 	{ "CSC3551", "10431F12", generic_dsd_config },
517 	{ "CSC3551", "10431F1F", generic_dsd_config },
518 	{ "CSC3551", "10431F62", generic_dsd_config },
519 	{ "CSC3551", "10433A20", generic_dsd_config },
520 	{ "CSC3551", "10433A30", generic_dsd_config },
521 	{ "CSC3551", "10433A40", generic_dsd_config },
522 	{ "CSC3551", "10433A50", generic_dsd_config },
523 	{ "CSC3551", "10433A60", generic_dsd_config },
524 	{ "CSC3551", "17AA3865", generic_dsd_config },
525 	{ "CSC3551", "17AA3866", generic_dsd_config },
526 	{ "CSC3551", "17AA386E", generic_dsd_config },
527 	{ "CSC3551", "17AA386F", generic_dsd_config },
528 	{ "CSC3551", "17AA3877", generic_dsd_config },
529 	{ "CSC3551", "17AA3878", generic_dsd_config },
530 	{ "CSC3551", "17AA38A9", generic_dsd_config },
531 	{ "CSC3551", "17AA38AB", generic_dsd_config },
532 	{ "CSC3551", "17AA38B4", generic_dsd_config },
533 	{ "CSC3551", "17AA38B5", generic_dsd_config },
534 	{ "CSC3551", "17AA38B6", generic_dsd_config },
535 	{ "CSC3551", "17AA38B7", generic_dsd_config },
536 	{ "CSC3551", "17AA38C7", generic_dsd_config },
537 	{ "CSC3551", "17AA38C8", generic_dsd_config },
538 	{ "CSC3551", "17AA38F9", generic_dsd_config },
539 	{ "CSC3551", "17AA38FA", generic_dsd_config },
540 	{}
541 };
542 
543 int cs35l41_add_dsd_properties(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
544 			       const char *hid)
545 {
546 	const struct cs35l41_prop_model *model;
547 
548 	for (model = cs35l41_prop_model_table; model->hid; model++) {
549 		if (!strcmp(model->hid, hid) &&
550 		    (!model->ssid ||
551 		     (cs35l41->acpi_subsystem_id &&
552 		      !strcasecmp(model->ssid, cs35l41->acpi_subsystem_id))))
553 			return model->add_prop(cs35l41, physdev, id, hid);
554 	}
555 
556 	return -ENOENT;
557 }
558