1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 // 2 //
3 // rt715-sdca-sdw.c -- rt715 ALSA SoC audio dr 3 // rt715-sdca-sdw.c -- rt715 ALSA SoC audio driver
4 // 4 //
5 // Copyright(c) 2020 Realtek Semiconductor Cor 5 // Copyright(c) 2020 Realtek Semiconductor Corp.
6 // 6 //
7 // 7 //
8 8
9 #include <linux/delay.h> 9 #include <linux/delay.h>
10 #include <linux/device.h> 10 #include <linux/device.h>
11 #include <linux/mod_devicetable.h> 11 #include <linux/mod_devicetable.h>
12 #include <linux/soundwire/sdw.h> 12 #include <linux/soundwire/sdw.h>
13 #include <linux/soundwire/sdw_type.h> 13 #include <linux/soundwire/sdw_type.h>
14 #include <linux/soundwire/sdw_registers.h> 14 #include <linux/soundwire/sdw_registers.h>
15 #include <linux/module.h> 15 #include <linux/module.h>
16 #include <linux/pm_runtime.h> <<
17 #include <linux/regmap.h> 16 #include <linux/regmap.h>
18 #include <sound/soc.h> 17 #include <sound/soc.h>
19 #include "rt715-sdca.h" 18 #include "rt715-sdca.h"
20 #include "rt715-sdca-sdw.h" 19 #include "rt715-sdca-sdw.h"
21 20
22 static bool rt715_sdca_readable_register(struc 21 static bool rt715_sdca_readable_register(struct device *dev, unsigned int reg)
23 { 22 {
24 switch (reg) { 23 switch (reg) {
25 case 0x201a ... 0x2027: 24 case 0x201a ... 0x2027:
26 case 0x2029 ... 0x202a: 25 case 0x2029 ... 0x202a:
27 case 0x202d ... 0x2034: 26 case 0x202d ... 0x2034:
28 case 0x2200 ... 0x2204: 27 case 0x2200 ... 0x2204:
29 case 0x2206 ... 0x2212: 28 case 0x2206 ... 0x2212:
30 case 0x2230 ... 0x2239: 29 case 0x2230 ... 0x2239:
31 case 0x2f5b: 30 case 0x2f5b:
32 case SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715 31 case SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
33 RT715_SDCA_SMPU_TRIG_ST_CTRL, 32 RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00):
34 return true; 33 return true;
35 default: 34 default:
36 return false; 35 return false;
37 } 36 }
38 } 37 }
39 38
40 static bool rt715_sdca_volatile_register(struc 39 static bool rt715_sdca_volatile_register(struct device *dev, unsigned int reg)
41 { 40 {
42 switch (reg) { 41 switch (reg) {
43 case 0x201b: 42 case 0x201b:
44 case 0x201c: 43 case 0x201c:
45 case 0x201d: 44 case 0x201d:
46 case 0x201f: 45 case 0x201f:
47 case 0x2021: 46 case 0x2021:
48 case 0x2023: 47 case 0x2023:
49 case 0x2230: 48 case 0x2230:
50 case 0x202d ... 0x202f: /* BRA */ 49 case 0x202d ... 0x202f: /* BRA */
51 case 0x2200 ... 0x2212: /* i2c debug * 50 case 0x2200 ... 0x2212: /* i2c debug */
52 case 0x2f07: 51 case 0x2f07:
53 case 0x2f1b ... 0x2f1e: 52 case 0x2f1b ... 0x2f1e:
54 case 0x2f30 ... 0x2f34: 53 case 0x2f30 ... 0x2f34:
55 case 0x2f50 ... 0x2f51: 54 case 0x2f50 ... 0x2f51:
56 case 0x2f53 ... 0x2f59: 55 case 0x2f53 ... 0x2f59:
57 case 0x2f5c ... 0x2f5f: 56 case 0x2f5c ... 0x2f5f:
58 case SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715 57 case SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
59 RT715_SDCA_SMPU_TRIG_ST_CTRL, 58 RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00): /* VAD Searching status */
60 return true; 59 return true;
61 default: 60 default:
62 return false; 61 return false;
63 } 62 }
64 } 63 }
65 64
66 static bool rt715_sdca_mbq_readable_register(s 65 static bool rt715_sdca_mbq_readable_register(struct device *dev, unsigned int reg)
67 { 66 {
68 switch (reg) { 67 switch (reg) {
69 case 0x2000000: 68 case 0x2000000:
70 case 0x200002b: 69 case 0x200002b:
71 case 0x2000036: 70 case 0x2000036:
72 case 0x2000037: 71 case 0x2000037:
73 case 0x2000039: 72 case 0x2000039:
74 case 0x2000044: 73 case 0x2000044:
75 case 0x6100000: 74 case 0x6100000:
76 return true; 75 return true;
77 default: 76 default:
78 return false; 77 return false;
79 } 78 }
80 } 79 }
81 80
82 static bool rt715_sdca_mbq_volatile_register(s 81 static bool rt715_sdca_mbq_volatile_register(struct device *dev, unsigned int reg)
83 { 82 {
84 switch (reg) { 83 switch (reg) {
85 case 0x2000000: 84 case 0x2000000:
86 return true; 85 return true;
87 default: 86 default:
88 return false; 87 return false;
89 } 88 }
90 } 89 }
91 90
92 static const struct regmap_config rt715_sdca_r 91 static const struct regmap_config rt715_sdca_regmap = {
93 .reg_bits = 32, 92 .reg_bits = 32,
94 .val_bits = 8, 93 .val_bits = 8,
95 .readable_reg = rt715_sdca_readable_re 94 .readable_reg = rt715_sdca_readable_register,
96 .volatile_reg = rt715_sdca_volatile_re 95 .volatile_reg = rt715_sdca_volatile_register,
97 .max_register = 0x43ffffff, 96 .max_register = 0x43ffffff,
98 .reg_defaults = rt715_reg_defaults_sdc 97 .reg_defaults = rt715_reg_defaults_sdca,
99 .num_reg_defaults = ARRAY_SIZE(rt715_r 98 .num_reg_defaults = ARRAY_SIZE(rt715_reg_defaults_sdca),
100 .cache_type = REGCACHE_MAPLE, !! 99 .cache_type = REGCACHE_RBTREE,
101 .use_single_read = true, 100 .use_single_read = true,
102 .use_single_write = true, 101 .use_single_write = true,
103 }; 102 };
104 103
105 static const struct regmap_config rt715_sdca_m 104 static const struct regmap_config rt715_sdca_mbq_regmap = {
106 .name = "sdw-mbq", 105 .name = "sdw-mbq",
107 .reg_bits = 32, 106 .reg_bits = 32,
108 .val_bits = 16, 107 .val_bits = 16,
109 .readable_reg = rt715_sdca_mbq_readabl 108 .readable_reg = rt715_sdca_mbq_readable_register,
110 .volatile_reg = rt715_sdca_mbq_volatil 109 .volatile_reg = rt715_sdca_mbq_volatile_register,
111 .max_register = 0x43ffffff, 110 .max_register = 0x43ffffff,
112 .reg_defaults = rt715_mbq_reg_defaults 111 .reg_defaults = rt715_mbq_reg_defaults_sdca,
113 .num_reg_defaults = ARRAY_SIZE(rt715_m 112 .num_reg_defaults = ARRAY_SIZE(rt715_mbq_reg_defaults_sdca),
114 .cache_type = REGCACHE_MAPLE, !! 113 .cache_type = REGCACHE_RBTREE,
115 .use_single_read = true, 114 .use_single_read = true,
116 .use_single_write = true, 115 .use_single_write = true,
117 }; 116 };
118 117
119 static int rt715_sdca_update_status(struct sdw 118 static int rt715_sdca_update_status(struct sdw_slave *slave,
120 enum sdw_slave 119 enum sdw_slave_status status)
121 { 120 {
122 struct rt715_sdca_priv *rt715 = dev_ge 121 struct rt715_sdca_priv *rt715 = dev_get_drvdata(&slave->dev);
123 122
>> 123 /* Update the status */
>> 124 rt715->status = status;
>> 125
124 /* 126 /*
125 * Perform initialization only if slav 127 * Perform initialization only if slave status is present and
126 * hw_init flag is false 128 * hw_init flag is false
127 */ 129 */
128 if (rt715->hw_init || status != SDW_SL !! 130 if (rt715->hw_init || rt715->status != SDW_SLAVE_ATTACHED)
129 return 0; 131 return 0;
130 132
131 /* perform I/O transfers required for 133 /* perform I/O transfers required for Slave initialization */
132 return rt715_sdca_io_init(&slave->dev, 134 return rt715_sdca_io_init(&slave->dev, slave);
133 } 135 }
134 136
135 static int rt715_sdca_read_prop(struct sdw_sla 137 static int rt715_sdca_read_prop(struct sdw_slave *slave)
136 { 138 {
137 struct sdw_slave_prop *prop = &slave-> 139 struct sdw_slave_prop *prop = &slave->prop;
138 int nval, i; 140 int nval, i;
139 u32 bit; 141 u32 bit;
140 unsigned long addr; 142 unsigned long addr;
141 struct sdw_dpn_prop *dpn; 143 struct sdw_dpn_prop *dpn;
142 144
143 prop->paging_support = true; 145 prop->paging_support = true;
144 146
145 /* first we need to allocate memory fo 147 /* first we need to allocate memory for set bits in port lists */
146 prop->source_ports = 0x50;/* BITMAP: 0 148 prop->source_ports = 0x50;/* BITMAP: 01010000 */
147 prop->sink_ports = 0x0; /* BITMAP: 00 149 prop->sink_ports = 0x0; /* BITMAP: 00000000 */
148 150
149 nval = hweight32(prop->source_ports); 151 nval = hweight32(prop->source_ports);
150 prop->src_dpn_prop = devm_kcalloc(&sla 152 prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
151 sizeof 153 sizeof(*prop->src_dpn_prop),
152 GFP_KE 154 GFP_KERNEL);
153 if (!prop->src_dpn_prop) 155 if (!prop->src_dpn_prop)
154 return -ENOMEM; 156 return -ENOMEM;
155 157
156 dpn = prop->src_dpn_prop; 158 dpn = prop->src_dpn_prop;
157 i = 0; 159 i = 0;
158 addr = prop->source_ports; 160 addr = prop->source_ports;
159 for_each_set_bit(bit, &addr, 32) { 161 for_each_set_bit(bit, &addr, 32) {
160 dpn[i].num = bit; 162 dpn[i].num = bit;
161 dpn[i].simple_ch_prep_sm = tru 163 dpn[i].simple_ch_prep_sm = true;
162 dpn[i].ch_prep_timeout = 10; 164 dpn[i].ch_prep_timeout = 10;
163 i++; 165 i++;
164 } 166 }
165 167
166 /* set the timeout values */ 168 /* set the timeout values */
167 prop->clk_stop_timeout = 200; !! 169 prop->clk_stop_timeout = 20;
168 170
169 return 0; 171 return 0;
170 } 172 }
171 173
172 static const struct sdw_slave_ops rt715_sdca_s !! 174 static struct sdw_slave_ops rt715_sdca_slave_ops = {
173 .read_prop = rt715_sdca_read_prop, 175 .read_prop = rt715_sdca_read_prop,
174 .update_status = rt715_sdca_update_sta 176 .update_status = rt715_sdca_update_status,
175 }; 177 };
176 178
177 static int rt715_sdca_sdw_probe(struct sdw_sla 179 static int rt715_sdca_sdw_probe(struct sdw_slave *slave,
178 const struct sdw_de 180 const struct sdw_device_id *id)
179 { 181 {
180 struct regmap *mbq_regmap, *regmap; 182 struct regmap *mbq_regmap, *regmap;
181 183
>> 184 slave->ops = &rt715_sdca_slave_ops;
>> 185
182 /* Regmap Initialization */ 186 /* Regmap Initialization */
183 mbq_regmap = devm_regmap_init_sdw_mbq( 187 mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt715_sdca_mbq_regmap);
184 if (IS_ERR(mbq_regmap)) 188 if (IS_ERR(mbq_regmap))
185 return PTR_ERR(mbq_regmap); 189 return PTR_ERR(mbq_regmap);
186 190
187 regmap = devm_regmap_init_sdw(slave, & 191 regmap = devm_regmap_init_sdw(slave, &rt715_sdca_regmap);
188 if (IS_ERR(regmap)) 192 if (IS_ERR(regmap))
189 return PTR_ERR(regmap); 193 return PTR_ERR(regmap);
190 194
191 return rt715_sdca_init(&slave->dev, mb 195 return rt715_sdca_init(&slave->dev, mbq_regmap, regmap, slave);
192 } 196 }
193 197
194 static int rt715_sdca_sdw_remove(struct sdw_sl <<
195 { <<
196 pm_runtime_disable(&slave->dev); <<
197 <<
198 return 0; <<
199 } <<
200 <<
201 static const struct sdw_device_id rt715_sdca_i 198 static const struct sdw_device_id rt715_sdca_id[] = {
202 SDW_SLAVE_ENTRY_EXT(0x025d, 0x715, 0x3 199 SDW_SLAVE_ENTRY_EXT(0x025d, 0x715, 0x3, 0x1, 0),
203 SDW_SLAVE_ENTRY_EXT(0x025d, 0x714, 0x3 200 SDW_SLAVE_ENTRY_EXT(0x025d, 0x714, 0x3, 0x1, 0),
204 {}, 201 {},
205 }; 202 };
206 MODULE_DEVICE_TABLE(sdw, rt715_sdca_id); 203 MODULE_DEVICE_TABLE(sdw, rt715_sdca_id);
207 204
208 static int __maybe_unused rt715_dev_suspend(st 205 static int __maybe_unused rt715_dev_suspend(struct device *dev)
209 { 206 {
210 struct rt715_sdca_priv *rt715 = dev_ge 207 struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev);
211 208
212 if (!rt715->hw_init) 209 if (!rt715->hw_init)
213 return 0; 210 return 0;
214 211
215 regcache_cache_only(rt715->regmap, tru 212 regcache_cache_only(rt715->regmap, true);
216 regcache_mark_dirty(rt715->regmap); 213 regcache_mark_dirty(rt715->regmap);
217 regcache_cache_only(rt715->mbq_regmap, 214 regcache_cache_only(rt715->mbq_regmap, true);
218 regcache_mark_dirty(rt715->mbq_regmap) 215 regcache_mark_dirty(rt715->mbq_regmap);
219 216
220 return 0; 217 return 0;
221 } 218 }
222 219
223 #define RT715_PROBE_TIMEOUT 5000 220 #define RT715_PROBE_TIMEOUT 5000
224 221
225 static int __maybe_unused rt715_dev_resume(str 222 static int __maybe_unused rt715_dev_resume(struct device *dev)
226 { 223 {
227 struct sdw_slave *slave = dev_to_sdw_d 224 struct sdw_slave *slave = dev_to_sdw_dev(dev);
228 struct rt715_sdca_priv *rt715 = dev_ge 225 struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev);
229 unsigned long time; 226 unsigned long time;
230 227
231 if (!rt715->first_hw_init) 228 if (!rt715->first_hw_init)
232 return 0; 229 return 0;
233 230
234 if (!slave->unattach_request) 231 if (!slave->unattach_request)
235 goto regmap_sync; 232 goto regmap_sync;
236 233
237 time = wait_for_completion_timeout(&sl !! 234 time = wait_for_completion_timeout(&slave->enumeration_complete,
238 mse 235 msecs_to_jiffies(RT715_PROBE_TIMEOUT));
239 if (!time) { 236 if (!time) {
240 dev_err(&slave->dev, "%s: Init !! 237 dev_err(&slave->dev, "Enumeration not complete, timed out\n");
241 sdw_show_ping_status(slave->bu <<
242 <<
243 return -ETIMEDOUT; 238 return -ETIMEDOUT;
244 } 239 }
245 240
246 regmap_sync: 241 regmap_sync:
247 slave->unattach_request = 0; 242 slave->unattach_request = 0;
248 regcache_cache_only(rt715->regmap, fal 243 regcache_cache_only(rt715->regmap, false);
249 regcache_sync_region(rt715->regmap, 244 regcache_sync_region(rt715->regmap,
250 SDW_SDCA_CTL(FUN_JACK_CODEC, R 245 SDW_SDCA_CTL(FUN_JACK_CODEC, RT715_SDCA_ST_EN, RT715_SDCA_ST_CTRL,
251 CH_00), 246 CH_00),
252 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT 247 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
253 RT715_SDCA_SMPU_TRIG_S 248 RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00));
254 regcache_cache_only(rt715->mbq_regmap, 249 regcache_cache_only(rt715->mbq_regmap, false);
255 regcache_sync_region(rt715->mbq_regmap 250 regcache_sync_region(rt715->mbq_regmap, 0x2000000, 0x61020ff);
256 regcache_sync_region(rt715->mbq_regmap 251 regcache_sync_region(rt715->mbq_regmap,
257 SDW_SDCA_CTL(FUN_JACK_CODEC, R 252 SDW_SDCA_CTL(FUN_JACK_CODEC, RT715_SDCA_ST_EN, RT715_SDCA_ST_CTRL,
258 CH_00), 253 CH_00),
259 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT 254 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
260 RT715_SDCA_SMPU_TRIG_S 255 RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00));
261 256
262 return 0; 257 return 0;
263 } 258 }
264 259
265 static const struct dev_pm_ops rt715_pm = { 260 static const struct dev_pm_ops rt715_pm = {
266 SET_SYSTEM_SLEEP_PM_OPS(rt715_dev_susp 261 SET_SYSTEM_SLEEP_PM_OPS(rt715_dev_suspend, rt715_dev_resume)
267 SET_RUNTIME_PM_OPS(rt715_dev_suspend, 262 SET_RUNTIME_PM_OPS(rt715_dev_suspend, rt715_dev_resume, NULL)
268 }; 263 };
269 264
270 static struct sdw_driver rt715_sdw_driver = { 265 static struct sdw_driver rt715_sdw_driver = {
271 .driver = { 266 .driver = {
272 .name = "rt715-sdca", 267 .name = "rt715-sdca",
>> 268 .owner = THIS_MODULE,
273 .pm = &rt715_pm, 269 .pm = &rt715_pm,
274 }, 270 },
275 .probe = rt715_sdca_sdw_probe, 271 .probe = rt715_sdca_sdw_probe,
276 .remove = rt715_sdca_sdw_remove, <<
277 .ops = &rt715_sdca_slave_ops, 272 .ops = &rt715_sdca_slave_ops,
278 .id_table = rt715_sdca_id, 273 .id_table = rt715_sdca_id,
279 }; 274 };
280 module_sdw_driver(rt715_sdw_driver); 275 module_sdw_driver(rt715_sdw_driver);
281 276
282 MODULE_DESCRIPTION("ASoC RT715 driver SDW SDCA 277 MODULE_DESCRIPTION("ASoC RT715 driver SDW SDCA");
283 MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>") 278 MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
284 MODULE_LICENSE("GPL v2"); 279 MODULE_LICENSE("GPL v2");
285 280
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