1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33#include "rsnd.h"
34
35#define MIX_NAME_SIZE 16
36#define MIX_NAME "mix"
37
38struct rsnd_mix {
39 struct rsnd_mod mod;
40 struct rsnd_kctrl_cfg_s volumeA;
41 struct rsnd_kctrl_cfg_s volumeB;
42 struct rsnd_kctrl_cfg_s volumeC;
43 struct rsnd_kctrl_cfg_s volumeD;
44 struct rsnd_kctrl_cfg_s ren;
45 struct rsnd_kctrl_cfg_s rup;
46 struct rsnd_kctrl_cfg_s rdw;
47 u32 flags;
48};
49
50#define ONCE_KCTRL_INITIALIZED (1 << 0)
51#define HAS_VOLA (1 << 1)
52#define HAS_VOLB (1 << 2)
53#define HAS_VOLC (1 << 3)
54#define HAS_VOLD (1 << 4)
55
56#define VOL_MAX 0x3ff
57
58#define rsnd_mod_to_mix(_mod) \
59 container_of((_mod), struct rsnd_mix, mod)
60
61#define rsnd_mix_get(priv, id) ((struct rsnd_mix *)(priv->mix) + id)
62#define rsnd_mix_nr(priv) ((priv)->mix_nr)
63#define for_each_rsnd_mix(pos, priv, i) \
64 for ((i) = 0; \
65 ((i) < rsnd_mix_nr(priv)) && \
66 ((pos) = (struct rsnd_mix *)(priv)->mix + i); \
67 i++)
68
69static void rsnd_mix_activation(struct rsnd_mod *mod)
70{
71 rsnd_mod_write(mod, MIX_SWRSR, 0);
72 rsnd_mod_write(mod, MIX_SWRSR, 1);
73}
74
75static void rsnd_mix_halt(struct rsnd_mod *mod)
76{
77 rsnd_mod_write(mod, MIX_MIXIR, 1);
78 rsnd_mod_write(mod, MIX_SWRSR, 0);
79}
80
81#define rsnd_mix_get_vol(mix, X) \
82 rsnd_flags_has(mix, HAS_VOL##X) ? \
83 (VOL_MAX - rsnd_kctrl_vals(mix->volume##X)) : 0
84static void rsnd_mix_volume_parameter(struct rsnd_dai_stream *io,
85 struct rsnd_mod *mod)
86{
87 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
88 struct device *dev = rsnd_priv_to_dev(priv);
89 struct rsnd_mix *mix = rsnd_mod_to_mix(mod);
90 u32 volA = rsnd_mix_get_vol(mix, A);
91 u32 volB = rsnd_mix_get_vol(mix, B);
92 u32 volC = rsnd_mix_get_vol(mix, C);
93 u32 volD = rsnd_mix_get_vol(mix, D);
94
95 dev_dbg(dev, "MIX A/B/C/D = %02x/%02x/%02x/%02x\n",
96 volA, volB, volC, volD);
97
98 rsnd_mod_write(mod, MIX_MDBAR, volA);
99 rsnd_mod_write(mod, MIX_MDBBR, volB);
100 rsnd_mod_write(mod, MIX_MDBCR, volC);
101 rsnd_mod_write(mod, MIX_MDBDR, volD);
102}
103
104static void rsnd_mix_volume_init(struct rsnd_dai_stream *io,
105 struct rsnd_mod *mod)
106{
107 struct rsnd_mix *mix = rsnd_mod_to_mix(mod);
108
109 rsnd_mod_write(mod, MIX_MIXIR, 1);
110
111
112 rsnd_mod_write(mod, MIX_ADINR, rsnd_runtime_channel_after_ctu(io));
113
114
115 rsnd_mod_write(mod, MIX_MIXMR, rsnd_kctrl_vals(mix->ren));
116 rsnd_mod_write(mod, MIX_MVPDR, rsnd_kctrl_vals(mix->rup) << 8 |
117 rsnd_kctrl_vals(mix->rdw));
118
119
120 rsnd_mix_volume_parameter(io, mod);
121
122 rsnd_mod_write(mod, MIX_MIXIR, 0);
123}
124
125static void rsnd_mix_volume_update(struct rsnd_dai_stream *io,
126 struct rsnd_mod *mod)
127{
128
129 rsnd_mod_write(mod, MIX_MDBER, 0);
130
131
132 rsnd_mix_volume_parameter(io, mod);
133
134
135 rsnd_mod_write(mod, MIX_MDBER, 1);
136}
137
138static int rsnd_mix_probe_(struct rsnd_mod *mod,
139 struct rsnd_dai_stream *io,
140 struct rsnd_priv *priv)
141{
142 return rsnd_cmd_attach(io, rsnd_mod_id(mod));
143}
144
145static int rsnd_mix_init(struct rsnd_mod *mod,
146 struct rsnd_dai_stream *io,
147 struct rsnd_priv *priv)
148{
149 rsnd_mod_power_on(mod);
150
151 rsnd_mix_activation(mod);
152
153 rsnd_mix_volume_init(io, mod);
154
155 rsnd_mix_volume_update(io, mod);
156
157 return 0;
158}
159
160static int rsnd_mix_quit(struct rsnd_mod *mod,
161 struct rsnd_dai_stream *io,
162 struct rsnd_priv *priv)
163{
164 rsnd_mix_halt(mod);
165
166 rsnd_mod_power_off(mod);
167
168 return 0;
169}
170
171static int rsnd_mix_pcm_new(struct rsnd_mod *mod,
172 struct rsnd_dai_stream *io,
173 struct snd_soc_pcm_runtime *rtd)
174{
175 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
176 struct device *dev = rsnd_priv_to_dev(priv);
177 struct rsnd_mix *mix = rsnd_mod_to_mix(mod);
178 struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
179 struct rsnd_kctrl_cfg_s *volume;
180 int ret;
181
182 switch (rsnd_mod_id(src_mod)) {
183 case 3:
184 case 6:
185 volume = &mix->volumeA;
186 rsnd_flags_set(mix, HAS_VOLA);
187 break;
188 case 4:
189 case 9:
190 volume = &mix->volumeB;
191 rsnd_flags_set(mix, HAS_VOLB);
192 break;
193 case 0:
194 case 1:
195 volume = &mix->volumeC;
196 rsnd_flags_set(mix, HAS_VOLC);
197 break;
198 case 2:
199 case 5:
200 volume = &mix->volumeD;
201 rsnd_flags_set(mix, HAS_VOLD);
202 break;
203 default:
204 dev_err(dev, "unknown SRC is connected\n");
205 return -EINVAL;
206 }
207
208
209 ret = rsnd_kctrl_new_s(mod, io, rtd,
210 "MIX Playback Volume",
211 rsnd_kctrl_accept_anytime,
212 rsnd_mix_volume_update,
213 volume, VOL_MAX);
214 if (ret < 0)
215 return ret;
216 rsnd_kctrl_vals(*volume) = VOL_MAX;
217
218 if (rsnd_flags_has(mix, ONCE_KCTRL_INITIALIZED))
219 return ret;
220
221
222 ret = rsnd_kctrl_new_s(mod, io, rtd,
223 "MIX Ramp Switch",
224 rsnd_kctrl_accept_anytime,
225 rsnd_mix_volume_update,
226 &mix->ren, 1);
227 if (ret < 0)
228 return ret;
229
230 ret = rsnd_kctrl_new_e(mod, io, rtd,
231 "MIX Ramp Up Rate",
232 rsnd_kctrl_accept_anytime,
233 rsnd_mix_volume_update,
234 &mix->rup,
235 volume_ramp_rate,
236 VOLUME_RAMP_MAX_MIX);
237 if (ret < 0)
238 return ret;
239
240 ret = rsnd_kctrl_new_e(mod, io, rtd,
241 "MIX Ramp Down Rate",
242 rsnd_kctrl_accept_anytime,
243 rsnd_mix_volume_update,
244 &mix->rdw,
245 volume_ramp_rate,
246 VOLUME_RAMP_MAX_MIX);
247
248 rsnd_flags_set(mix, ONCE_KCTRL_INITIALIZED);
249
250 return ret;
251}
252
253static struct rsnd_mod_ops rsnd_mix_ops = {
254 .name = MIX_NAME,
255 .probe = rsnd_mix_probe_,
256 .init = rsnd_mix_init,
257 .quit = rsnd_mix_quit,
258 .pcm_new = rsnd_mix_pcm_new,
259 .get_status = rsnd_mod_get_status,
260};
261
262struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id)
263{
264 if (WARN_ON(id < 0 || id >= rsnd_mix_nr(priv)))
265 id = 0;
266
267 return rsnd_mod_get(rsnd_mix_get(priv, id));
268}
269
270int rsnd_mix_probe(struct rsnd_priv *priv)
271{
272 struct device_node *node;
273 struct device_node *np;
274 struct device *dev = rsnd_priv_to_dev(priv);
275 struct rsnd_mix *mix;
276 struct clk *clk;
277 char name[MIX_NAME_SIZE];
278 int i, nr, ret;
279
280
281 if (rsnd_is_gen1(priv))
282 return 0;
283
284 node = rsnd_mix_of_node(priv);
285 if (!node)
286 return 0;
287
288 nr = of_get_child_count(node);
289 if (!nr) {
290 ret = -EINVAL;
291 goto rsnd_mix_probe_done;
292 }
293
294 mix = devm_kcalloc(dev, nr, sizeof(*mix), GFP_KERNEL);
295 if (!mix) {
296 ret = -ENOMEM;
297 goto rsnd_mix_probe_done;
298 }
299
300 priv->mix_nr = nr;
301 priv->mix = mix;
302
303 i = 0;
304 ret = 0;
305 for_each_child_of_node(node, np) {
306 mix = rsnd_mix_get(priv, i);
307
308 snprintf(name, MIX_NAME_SIZE, "%s.%d",
309 MIX_NAME, i);
310
311 clk = devm_clk_get(dev, name);
312 if (IS_ERR(clk)) {
313 ret = PTR_ERR(clk);
314 of_node_put(np);
315 goto rsnd_mix_probe_done;
316 }
317
318 ret = rsnd_mod_init(priv, rsnd_mod_get(mix), &rsnd_mix_ops,
319 clk, RSND_MOD_MIX, i);
320 if (ret) {
321 of_node_put(np);
322 goto rsnd_mix_probe_done;
323 }
324
325 i++;
326 }
327
328rsnd_mix_probe_done:
329 of_node_put(node);
330
331 return ret;
332}
333
334void rsnd_mix_remove(struct rsnd_priv *priv)
335{
336 struct rsnd_mix *mix;
337 int i;
338
339 for_each_rsnd_mix(mix, priv, i) {
340 rsnd_mod_quit(rsnd_mod_get(mix));
341 }
342}
343
