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 { "10251826", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
35 { "1025182C", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
36 { "10251844", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
37 { "10280B27", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
38 { "10280B28", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
39 { "10280BEB", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 0, 0, 0 },
40 { "10280C4D", 4, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, CS35L41_LEFT, CS35L41_RIGHT }, 0, 1, -1, 1000, 4500, 24 },
41 /*
42 * Device 103C89C6 does have _DSD, however it is setup to use the wrong boost type.
43 * We can override the _DSD to correct the boost type here.
44 * Since this laptop has valid ACPI, we do not need to handle cs-gpios, since that already exists
45 * in the ACPI. The Reset GPIO is also valid, so we can use the Reset defined in _DSD.
46 */
47 { "103C89C6", 2, INTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, 0, 0 }, -1, -1, -1, 1000, 4500, 24 },
48 { "103C8A28", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
49 { "103C8A29", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
50 { "103C8A2A", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
51 { "103C8A2B", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
52 { "103C8A2C", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
53 { "103C8A2D", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
54 { "103C8A2E", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
55 { "103C8A30", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
56 { "103C8A31", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
57 { "103C8A6E", 4, EXTERNAL, { CS35L41_LEFT, CS35L41_LEFT, CS35L41_RIGHT, CS35L41_RIGHT }, 0, -1, -1, 0, 0, 0 },
58 { "103C8BB3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
59 { "103C8BB4", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
60 { "103C8BDD", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
61 { "103C8BDE", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
62 { "103C8BDF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
63 { "103C8BE0", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
64 { "103C8BE1", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
65 { "103C8BE2", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
66 { "103C8BE3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
67 { "103C8BE5", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
68 { "103C8BE6", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
69 { "103C8BE7", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
70 { "103C8BE8", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
71 { "103C8BE9", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
72 { "103C8B3A", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
73 { "103C8C15", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4000, 24 },
74 { "103C8C16", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4000, 24 },
75 { "103C8C17", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4000, 24 },
76 { "103C8C4D", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
77 { "103C8C4E", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
78 { "103C8C4F", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
79 { "103C8C50", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
80 { "103C8C51", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
81 { "103C8CDD", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
82 { "103C8CDE", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 3900, 24 },
83 { "104312AF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
84 { "10431433", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
85 { "10431463", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
86 { "10431473", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 1000, 4500, 24 },
87 { "10431483", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 1000, 4500, 24 },
88 { "10431493", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
89 { "104314D3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
90 { "104314E3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
91 { "10431503", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
92 { "10431533", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
93 { "10431573", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
94 { "10431663", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 1000, 4500, 24 },
95 { "10431683", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
96 { "104316A3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
97 { "104316D3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
98 { "104316F3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
99 { "104317F3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
100 { "10431863", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
101 { "104318D3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
102 { "10431A83", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
103 { "10431B93", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
104 { "10431C9F", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
105 { "10431CAF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
106 { "10431CCF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
107 { "10431CDF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
108 { "10431CEF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
109 { "10431D1F", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
110 { "10431DA2", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
111 { "10431E02", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
112 { "10431E12", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
113 { "10431EE2", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
114 { "10431F12", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
115 { "10431F1F", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 0, 0, 0 },
116 { "10431F62", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
117 { "10433A20", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
118 { "10433A30", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
119 { "10433A40", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
120 { "10433A50", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
121 { "10433A60", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
122 { "17AA3865", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
123 { "17AA3866", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
124 { "17AA386E", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
125 { "17AA386F", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
126 { "17AA3877", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
127 { "17AA3878", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
128 { "17AA38A9", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
129 { "17AA38AB", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
130 { "17AA38B4", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
131 { "17AA38B5", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
132 { "17AA38B6", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
133 { "17AA38B7", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
134 { "17AA38C7", 4, INTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, CS35L41_RIGHT, CS35L41_LEFT }, 0, 2, -1, 1000, 4500, 24 },
135 { "17AA38C8", 4, INTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, CS35L41_RIGHT, CS35L41_LEFT }, 0, 2, -1, 1000, 4500, 24 },
136 { "17AA38F9", 2, EXTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
137 { "17AA38FA", 2, EXTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
138 {}
139 };
140
cs35l41_add_gpios(struct cs35l41_hda * cs35l41,struct device * physdev,int reset_gpio,int spkid_gpio,int cs_gpio_index,int num_amps)141 static int cs35l41_add_gpios(struct cs35l41_hda *cs35l41, struct device *physdev, int reset_gpio,
142 int spkid_gpio, int cs_gpio_index, int num_amps)
143 {
144 struct acpi_gpio_mapping *gpio_mapping = NULL;
145 struct acpi_gpio_params *reset_gpio_params = NULL;
146 struct acpi_gpio_params *spkid_gpio_params = NULL;
147 struct acpi_gpio_params *cs_gpio_params = NULL;
148 unsigned int num_entries = 0;
149 unsigned int reset_index, spkid_index, csgpio_index;
150 int i;
151
152 /*
153 * GPIO Mapping only needs to be done once, since it would be available for subsequent amps
154 */
155 if (cs35l41->dacpi->driver_gpios)
156 return 0;
157
158 if (reset_gpio >= 0) {
159 reset_index = num_entries;
160 num_entries++;
161 }
162
163 if (spkid_gpio >= 0) {
164 spkid_index = num_entries;
165 num_entries++;
166 }
167
168 if ((cs_gpio_index >= 0) && (num_amps == 2)) {
169 csgpio_index = num_entries;
170 num_entries++;
171 }
172
173 if (!num_entries)
174 return 0;
175
176 /* must include termination entry */
177 num_entries++;
178
179 gpio_mapping = devm_kcalloc(physdev, num_entries, sizeof(struct acpi_gpio_mapping),
180 GFP_KERNEL);
181
182 if (!gpio_mapping)
183 goto err;
184
185 if (reset_gpio >= 0) {
186 gpio_mapping[reset_index].name = "reset-gpios";
187 reset_gpio_params = devm_kcalloc(physdev, num_amps, sizeof(struct acpi_gpio_params),
188 GFP_KERNEL);
189 if (!reset_gpio_params)
190 goto err;
191
192 for (i = 0; i < num_amps; i++)
193 reset_gpio_params[i].crs_entry_index = reset_gpio;
194
195 gpio_mapping[reset_index].data = reset_gpio_params;
196 gpio_mapping[reset_index].size = num_amps;
197 }
198
199 if (spkid_gpio >= 0) {
200 gpio_mapping[spkid_index].name = "spk-id-gpios";
201 spkid_gpio_params = devm_kcalloc(physdev, num_amps, sizeof(struct acpi_gpio_params),
202 GFP_KERNEL);
203 if (!spkid_gpio_params)
204 goto err;
205
206 for (i = 0; i < num_amps; i++)
207 spkid_gpio_params[i].crs_entry_index = spkid_gpio;
208
209 gpio_mapping[spkid_index].data = spkid_gpio_params;
210 gpio_mapping[spkid_index].size = num_amps;
211 }
212
213 if ((cs_gpio_index >= 0) && (num_amps == 2)) {
214 gpio_mapping[csgpio_index].name = "cs-gpios";
215 /* only one GPIO CS is supported without using _DSD, obtained using index 0 */
216 cs_gpio_params = devm_kzalloc(physdev, sizeof(struct acpi_gpio_params), GFP_KERNEL);
217 if (!cs_gpio_params)
218 goto err;
219
220 cs_gpio_params->crs_entry_index = cs_gpio_index;
221
222 gpio_mapping[csgpio_index].data = cs_gpio_params;
223 gpio_mapping[csgpio_index].size = 1;
224 }
225
226 return devm_acpi_dev_add_driver_gpios(physdev, gpio_mapping);
227 err:
228 devm_kfree(physdev, gpio_mapping);
229 devm_kfree(physdev, reset_gpio_params);
230 devm_kfree(physdev, spkid_gpio_params);
231 devm_kfree(physdev, cs_gpio_params);
232 return -ENOMEM;
233 }
234
generic_dsd_config(struct cs35l41_hda * cs35l41,struct device * physdev,int id,const char * hid)235 static int generic_dsd_config(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
236 const char *hid)
237 {
238 struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
239 const struct cs35l41_config *cfg;
240 struct gpio_desc *cs_gpiod;
241 struct spi_device *spi;
242 bool dsd_found;
243 int ret;
244 int i;
245
246 for (cfg = cs35l41_config_table; cfg->ssid; cfg++) {
247 if (!strcasecmp(cfg->ssid, cs35l41->acpi_subsystem_id))
248 break;
249 }
250
251 if (!cfg->ssid)
252 return -ENOENT;
253
254 if (!cs35l41->dacpi || cs35l41->dacpi != ACPI_COMPANION(physdev)) {
255 dev_err(cs35l41->dev, "ACPI Device does not match, cannot override _DSD.\n");
256 return -ENODEV;
257 }
258
259 dev_info(cs35l41->dev, "Adding DSD properties for %s\n", cs35l41->acpi_subsystem_id);
260
261 dsd_found = acpi_dev_has_props(cs35l41->dacpi);
262
263 if (!dsd_found) {
264 ret = cs35l41_add_gpios(cs35l41, physdev, cfg->reset_gpio_index,
265 cfg->spkid_gpio_index, cfg->cs_gpio_index,
266 cfg->num_amps);
267 if (ret) {
268 dev_err(cs35l41->dev, "Error adding GPIO mapping: %d\n", ret);
269 return ret;
270 }
271 } else if (cfg->reset_gpio_index >= 0 || cfg->spkid_gpio_index >= 0) {
272 dev_warn(cs35l41->dev, "Cannot add Reset/Speaker ID/SPI CS GPIO Mapping, "
273 "_DSD already exists.\n");
274 }
275
276 if (cs35l41->control_bus == SPI) {
277 cs35l41->index = id;
278
279 /*
280 * Manually set the Chip Select for the second amp <cs_gpio_index> in the node.
281 * This is only supported for systems with 2 amps, since we cannot expand the
282 * default number of chip selects without using cs-gpios
283 * The CS GPIO must be set high prior to communicating with the first amp (which
284 * uses a native chip select), to ensure the second amp does not clash with the
285 * first.
286 */
287 if (IS_ENABLED(CONFIG_SPI) && cfg->cs_gpio_index >= 0) {
288 spi = to_spi_device(cs35l41->dev);
289
290 if (cfg->num_amps != 2) {
291 dev_warn(cs35l41->dev,
292 "Cannot update SPI CS, Number of Amps (%d) != 2\n",
293 cfg->num_amps);
294 } else if (dsd_found) {
295 dev_warn(cs35l41->dev,
296 "Cannot update SPI CS, _DSD already exists.\n");
297 } else {
298 /*
299 * This is obtained using driver_gpios, since only one GPIO for CS
300 * exists, this can be obtained using index 0.
301 */
302 cs_gpiod = gpiod_get_index(physdev, "cs", 0, GPIOD_OUT_LOW);
303 if (IS_ERR(cs_gpiod)) {
304 dev_err(cs35l41->dev,
305 "Unable to get Chip Select GPIO descriptor\n");
306 return PTR_ERR(cs_gpiod);
307 }
308 if (id == 1) {
309 spi_set_csgpiod(spi, 0, cs_gpiod);
310 cs35l41->cs_gpio = cs_gpiod;
311 } else {
312 gpiod_set_value_cansleep(cs_gpiod, true);
313 gpiod_put(cs_gpiod);
314 }
315 spi_setup(spi);
316 }
317 }
318 } else {
319 if (cfg->num_amps > 2)
320 /*
321 * i2c addresses for 3/4 amps are used in order: 0x40, 0x41, 0x42, 0x43,
322 * subtracting 0x40 would give zero-based index
323 */
324 cs35l41->index = id - 0x40;
325 else
326 /* i2c addr 0x40 for first amp (always), 0x41/0x42 for 2nd amp */
327 cs35l41->index = id == 0x40 ? 0 : 1;
328 }
329
330 cs35l41->reset_gpio = fwnode_gpiod_get_index(acpi_fwnode_handle(cs35l41->dacpi), "reset",
331 cs35l41->index, GPIOD_OUT_LOW,
332 "cs35l41-reset");
333 cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, cs35l41->index, cfg->num_amps, -1);
334
335 hw_cfg->spk_pos = cfg->channel[cs35l41->index];
336
337 cs35l41->channel_index = 0;
338 for (i = 0; i < cs35l41->index; i++)
339 if (cfg->channel[i] == hw_cfg->spk_pos)
340 cs35l41->channel_index++;
341
342 if (cfg->boost_type == INTERNAL) {
343 hw_cfg->bst_type = CS35L41_INT_BOOST;
344 hw_cfg->bst_ind = cfg->boost_ind_nanohenry;
345 hw_cfg->bst_ipk = cfg->boost_peak_milliamp;
346 hw_cfg->bst_cap = cfg->boost_cap_microfarad;
347 hw_cfg->gpio1.func = CS35L41_NOT_USED;
348 hw_cfg->gpio1.valid = true;
349 } else {
350 hw_cfg->bst_type = CS35L41_EXT_BOOST;
351 hw_cfg->bst_ind = -1;
352 hw_cfg->bst_ipk = -1;
353 hw_cfg->bst_cap = -1;
354 hw_cfg->gpio1.func = CS35l41_VSPK_SWITCH;
355 hw_cfg->gpio1.valid = true;
356 }
357
358 hw_cfg->gpio2.func = CS35L41_INTERRUPT;
359 hw_cfg->gpio2.valid = true;
360 hw_cfg->valid = true;
361
362 return 0;
363 }
364
365 /*
366 * Systems 103C8C66, 103C8C67, 103C8C68, 103C8C6A use a dual speaker id system - each speaker has
367 * its own speaker id.
368 */
hp_i2c_int_2amp_dual_spkid(struct cs35l41_hda * cs35l41,struct device * physdev,int id,const char * hid)369 static int hp_i2c_int_2amp_dual_spkid(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
370 const char *hid)
371 {
372 struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
373
374 /* If _DSD exists for this laptop, we cannot support it through here */
375 if (acpi_dev_has_props(cs35l41->dacpi))
376 return -ENOENT;
377
378 /* check I2C address to assign the index */
379 cs35l41->index = id == 0x40 ? 0 : 1;
380 cs35l41->channel_index = 0;
381 cs35l41->reset_gpio = gpiod_get_index(physdev, NULL, 0, GPIOD_OUT_HIGH);
382 if (cs35l41->index == 0)
383 cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, 0, 0, 1);
384 else
385 cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, 0, 0, 2);
386 hw_cfg->spk_pos = cs35l41->index;
387 hw_cfg->gpio2.func = CS35L41_INTERRUPT;
388 hw_cfg->gpio2.valid = true;
389 hw_cfg->valid = true;
390
391 hw_cfg->bst_type = CS35L41_INT_BOOST;
392 hw_cfg->bst_ind = 1000;
393 hw_cfg->bst_ipk = 4100;
394 hw_cfg->bst_cap = 24;
395 hw_cfg->gpio1.func = CS35L41_NOT_USED;
396 hw_cfg->gpio1.valid = true;
397
398 return 0;
399 }
400
401 /*
402 * Device CLSA010(0/1) doesn't have _DSD so a gpiod_get by the label reset won't work.
403 * And devices created by serial-multi-instantiate don't have their device struct
404 * pointing to the correct fwnode, so acpi_dev must be used here.
405 * And devm functions expect that the device requesting the resource has the correct
406 * fwnode.
407 */
lenovo_legion_no_acpi(struct cs35l41_hda * cs35l41,struct device * physdev,int id,const char * hid)408 static int lenovo_legion_no_acpi(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
409 const char *hid)
410 {
411 struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
412
413 /* check I2C address to assign the index */
414 cs35l41->index = id == 0x40 ? 0 : 1;
415 cs35l41->channel_index = 0;
416 cs35l41->reset_gpio = gpiod_get_index(physdev, NULL, 0, GPIOD_OUT_HIGH);
417 cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, 0, 0, 2);
418 hw_cfg->spk_pos = cs35l41->index;
419 hw_cfg->gpio2.func = CS35L41_INTERRUPT;
420 hw_cfg->gpio2.valid = true;
421 hw_cfg->valid = true;
422
423 if (strcmp(hid, "CLSA0100") == 0) {
424 hw_cfg->bst_type = CS35L41_EXT_BOOST_NO_VSPK_SWITCH;
425 } else if (strcmp(hid, "CLSA0101") == 0) {
426 hw_cfg->bst_type = CS35L41_EXT_BOOST;
427 hw_cfg->gpio1.func = CS35l41_VSPK_SWITCH;
428 hw_cfg->gpio1.valid = true;
429 }
430
431 return 0;
432 }
433
missing_speaker_id_gpio2(struct cs35l41_hda * cs35l41,struct device * physdev,int id,const char * hid)434 static int missing_speaker_id_gpio2(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
435 const char *hid)
436 {
437 int ret;
438
439 ret = cs35l41_add_gpios(cs35l41, physdev, -1, 2, -1, 2);
440 if (ret) {
441 dev_err(cs35l41->dev, "Error adding GPIO mapping: %d\n", ret);
442 return ret;
443 }
444
445 return cs35l41_hda_parse_acpi(cs35l41, physdev, id);
446 }
447
448 struct cs35l41_prop_model {
449 const char *hid;
450 const char *ssid;
451 int (*add_prop)(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
452 const char *hid);
453 };
454
455 static const struct cs35l41_prop_model cs35l41_prop_model_table[] = {
456 { "CLSA0100", NULL, lenovo_legion_no_acpi },
457 { "CLSA0101", NULL, lenovo_legion_no_acpi },
458 { "CSC3551", "10251826", generic_dsd_config },
459 { "CSC3551", "1025182C", generic_dsd_config },
460 { "CSC3551", "10251844", generic_dsd_config },
461 { "CSC3551", "10280B27", generic_dsd_config },
462 { "CSC3551", "10280B28", generic_dsd_config },
463 { "CSC3551", "10280BEB", generic_dsd_config },
464 { "CSC3551", "10280C4D", generic_dsd_config },
465 { "CSC3551", "103C89C6", generic_dsd_config },
466 { "CSC3551", "103C8A28", generic_dsd_config },
467 { "CSC3551", "103C8A29", generic_dsd_config },
468 { "CSC3551", "103C8A2A", generic_dsd_config },
469 { "CSC3551", "103C8A2B", generic_dsd_config },
470 { "CSC3551", "103C8A2C", generic_dsd_config },
471 { "CSC3551", "103C8A2D", generic_dsd_config },
472 { "CSC3551", "103C8A2E", generic_dsd_config },
473 { "CSC3551", "103C8A30", generic_dsd_config },
474 { "CSC3551", "103C8A31", generic_dsd_config },
475 { "CSC3551", "103C8A6E", generic_dsd_config },
476 { "CSC3551", "103C8BB3", generic_dsd_config },
477 { "CSC3551", "103C8BB4", generic_dsd_config },
478 { "CSC3551", "103C8BDD", generic_dsd_config },
479 { "CSC3551", "103C8BDE", generic_dsd_config },
480 { "CSC3551", "103C8BDF", generic_dsd_config },
481 { "CSC3551", "103C8BE0", generic_dsd_config },
482 { "CSC3551", "103C8BE1", generic_dsd_config },
483 { "CSC3551", "103C8BE2", generic_dsd_config },
484 { "CSC3551", "103C8BE3", generic_dsd_config },
485 { "CSC3551", "103C8BE5", generic_dsd_config },
486 { "CSC3551", "103C8BE6", generic_dsd_config },
487 { "CSC3551", "103C8BE7", generic_dsd_config },
488 { "CSC3551", "103C8BE8", generic_dsd_config },
489 { "CSC3551", "103C8BE9", generic_dsd_config },
490 { "CSC3551", "103C8B3A", generic_dsd_config },
491 { "CSC3551", "103C8C15", generic_dsd_config },
492 { "CSC3551", "103C8C16", generic_dsd_config },
493 { "CSC3551", "103C8C17", generic_dsd_config },
494 { "CSC3551", "103C8C4D", generic_dsd_config },
495 { "CSC3551", "103C8C4E", generic_dsd_config },
496 { "CSC3551", "103C8C4F", generic_dsd_config },
497 { "CSC3551", "103C8C50", generic_dsd_config },
498 { "CSC3551", "103C8C51", generic_dsd_config },
499 { "CSC3551", "103C8C66", hp_i2c_int_2amp_dual_spkid },
500 { "CSC3551", "103C8C67", hp_i2c_int_2amp_dual_spkid },
501 { "CSC3551", "103C8C68", hp_i2c_int_2amp_dual_spkid },
502 { "CSC3551", "103C8C6A", hp_i2c_int_2amp_dual_spkid },
503 { "CSC3551", "103C8CDD", generic_dsd_config },
504 { "CSC3551", "103C8CDE", generic_dsd_config },
505 { "CSC3551", "104312AF", generic_dsd_config },
506 { "CSC3551", "10431433", generic_dsd_config },
507 { "CSC3551", "10431463", generic_dsd_config },
508 { "CSC3551", "10431473", generic_dsd_config },
509 { "CSC3551", "10431483", generic_dsd_config },
510 { "CSC3551", "10431493", generic_dsd_config },
511 { "CSC3551", "104314D3", generic_dsd_config },
512 { "CSC3551", "104314E3", generic_dsd_config },
513 { "CSC3551", "10431503", generic_dsd_config },
514 { "CSC3551", "10431533", generic_dsd_config },
515 { "CSC3551", "10431573", generic_dsd_config },
516 { "CSC3551", "10431663", generic_dsd_config },
517 { "CSC3551", "10431683", generic_dsd_config },
518 { "CSC3551", "104316A3", generic_dsd_config },
519 { "CSC3551", "104316D3", generic_dsd_config },
520 { "CSC3551", "104316F3", generic_dsd_config },
521 { "CSC3551", "104317F3", generic_dsd_config },
522 { "CSC3551", "10431863", generic_dsd_config },
523 { "CSC3551", "104318D3", generic_dsd_config },
524 { "CSC3551", "10431A63", missing_speaker_id_gpio2 },
525 { "CSC3551", "10431A83", generic_dsd_config },
526 { "CSC3551", "10431B93", generic_dsd_config },
527 { "CSC3551", "10431C9F", generic_dsd_config },
528 { "CSC3551", "10431CAF", generic_dsd_config },
529 { "CSC3551", "10431CCF", generic_dsd_config },
530 { "CSC3551", "10431CDF", generic_dsd_config },
531 { "CSC3551", "10431CEF", generic_dsd_config },
532 { "CSC3551", "10431D1F", generic_dsd_config },
533 { "CSC3551", "10431DA2", generic_dsd_config },
534 { "CSC3551", "10431E02", generic_dsd_config },
535 { "CSC3551", "10431E12", generic_dsd_config },
536 { "CSC3551", "10431EE2", generic_dsd_config },
537 { "CSC3551", "10431F12", generic_dsd_config },
538 { "CSC3551", "10431F1F", generic_dsd_config },
539 { "CSC3551", "10431F62", generic_dsd_config },
540 { "CSC3551", "10433A20", generic_dsd_config },
541 { "CSC3551", "10433A30", generic_dsd_config },
542 { "CSC3551", "10433A40", generic_dsd_config },
543 { "CSC3551", "10433A50", generic_dsd_config },
544 { "CSC3551", "10433A60", generic_dsd_config },
545 { "CSC3551", "17AA3865", generic_dsd_config },
546 { "CSC3551", "17AA3866", generic_dsd_config },
547 { "CSC3551", "17AA386E", generic_dsd_config },
548 { "CSC3551", "17AA386F", generic_dsd_config },
549 { "CSC3551", "17AA3877", generic_dsd_config },
550 { "CSC3551", "17AA3878", generic_dsd_config },
551 { "CSC3551", "17AA38A9", generic_dsd_config },
552 { "CSC3551", "17AA38AB", generic_dsd_config },
553 { "CSC3551", "17AA38B4", generic_dsd_config },
554 { "CSC3551", "17AA38B5", generic_dsd_config },
555 { "CSC3551", "17AA38B6", generic_dsd_config },
556 { "CSC3551", "17AA38B7", generic_dsd_config },
557 { "CSC3551", "17AA38C7", generic_dsd_config },
558 { "CSC3551", "17AA38C8", generic_dsd_config },
559 { "CSC3551", "17AA38F9", generic_dsd_config },
560 { "CSC3551", "17AA38FA", generic_dsd_config },
561 {}
562 };
563
cs35l41_add_dsd_properties(struct cs35l41_hda * cs35l41,struct device * physdev,int id,const char * hid)564 int cs35l41_add_dsd_properties(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
565 const char *hid)
566 {
567 const struct cs35l41_prop_model *model;
568
569 for (model = cs35l41_prop_model_table; model->hid; model++) {
570 if (!strcmp(model->hid, hid) &&
571 (!model->ssid ||
572 (cs35l41->acpi_subsystem_id &&
573 !strcasecmp(model->ssid, cs35l41->acpi_subsystem_id))))
574 return model->add_prop(cs35l41, physdev, id, hid);
575 }
576
577 return -ENOENT;
578 }
579