This source file includes following definitions.
- q6afe_port_free
- q6afe_find_port
- q6afe_callback
- q6afe_get_port_id
- afe_apr_send_pkt
- q6afe_port_set_param
- q6afe_port_set_param_v2
- q6afe_set_lpass_clock
- q6afe_set_lpass_clock_v2
- q6afe_set_digital_codec_core_clock
- q6afe_port_set_sysclk
- q6afe_port_stop
- q6afe_slim_port_prepare
- q6afe_tdm_port_prepare
- q6afe_hdmi_port_prepare
- q6afe_i2s_port_prepare
- q6afe_port_start
- q6afe_port_get_from_id
- q6afe_port_put
- q6afe_probe
- q6afe_remove
1
2
3
4
5 #include <linux/slab.h>
6 #include <linux/kernel.h>
7 #include <linux/uaccess.h>
8 #include <linux/wait.h>
9 #include <linux/jiffies.h>
10 #include <linux/sched.h>
11 #include <linux/module.h>
12 #include <linux/kref.h>
13 #include <linux/of.h>
14 #include <linux/of_platform.h>
15 #include <linux/spinlock.h>
16 #include <linux/delay.h>
17 #include <linux/soc/qcom/apr.h>
18 #include <sound/soc.h>
19 #include <sound/soc-dai.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include "q6dsp-errno.h"
23 #include "q6core.h"
24 #include "q6afe.h"
25
26
27 #define AFE_PORT_CMD_DEVICE_START 0x000100E5
28 #define AFE_PORT_CMD_DEVICE_STOP 0x000100E6
29 #define AFE_PORT_CMD_SET_PARAM_V2 0x000100EF
30 #define AFE_SVC_CMD_SET_PARAM 0x000100f3
31 #define AFE_PORT_CMDRSP_GET_PARAM_V2 0x00010106
32 #define AFE_PARAM_ID_HDMI_CONFIG 0x00010210
33 #define AFE_MODULE_AUDIO_DEV_INTERFACE 0x0001020C
34 #define AFE_MODULE_TDM 0x0001028A
35
36 #define AFE_PARAM_ID_CDC_SLIMBUS_SLAVE_CFG 0x00010235
37
38 #define AFE_PARAM_ID_LPAIF_CLK_CONFIG 0x00010238
39 #define AFE_PARAM_ID_INT_DIGITAL_CDC_CLK_CONFIG 0x00010239
40
41 #define AFE_PARAM_ID_SLIMBUS_CONFIG 0x00010212
42 #define AFE_PARAM_ID_I2S_CONFIG 0x0001020D
43 #define AFE_PARAM_ID_TDM_CONFIG 0x0001029D
44 #define AFE_PARAM_ID_PORT_SLOT_MAPPING_CONFIG 0x00010297
45
46
47 #define AFE_API_VERSION_I2S_CONFIG 0x1
48 #define AFE_PORT_I2S_SD0 0x1
49 #define AFE_PORT_I2S_SD1 0x2
50 #define AFE_PORT_I2S_SD2 0x3
51 #define AFE_PORT_I2S_SD3 0x4
52 #define AFE_PORT_I2S_SD0_MASK BIT(0x0)
53 #define AFE_PORT_I2S_SD1_MASK BIT(0x1)
54 #define AFE_PORT_I2S_SD2_MASK BIT(0x2)
55 #define AFE_PORT_I2S_SD3_MASK BIT(0x3)
56 #define AFE_PORT_I2S_SD0_1_MASK GENMASK(1, 0)
57 #define AFE_PORT_I2S_SD2_3_MASK GENMASK(3, 2)
58 #define AFE_PORT_I2S_SD0_1_2_MASK GENMASK(2, 0)
59 #define AFE_PORT_I2S_SD0_1_2_3_MASK GENMASK(3, 0)
60 #define AFE_PORT_I2S_QUAD01 0x5
61 #define AFE_PORT_I2S_QUAD23 0x6
62 #define AFE_PORT_I2S_6CHS 0x7
63 #define AFE_PORT_I2S_8CHS 0x8
64 #define AFE_PORT_I2S_MONO 0x0
65 #define AFE_PORT_I2S_STEREO 0x1
66 #define AFE_PORT_CONFIG_I2S_WS_SRC_EXTERNAL 0x0
67 #define AFE_PORT_CONFIG_I2S_WS_SRC_INTERNAL 0x1
68 #define AFE_LINEAR_PCM_DATA 0x0
69
70
71
72 #define AFE_API_VERSION_HDMI_CONFIG 0x1
73 #define AFE_PORT_ID_MULTICHAN_HDMI_RX 0x100E
74 #define AFE_PORT_ID_HDMI_OVER_DP_RX 0x6020
75
76 #define AFE_API_VERSION_SLIMBUS_CONFIG 0x1
77
78 #define AFE_API_VERSION_CLOCK_SET 1
79 #define Q6AFE_LPASS_CLK_CONFIG_API_VERSION 0x1
80 #define AFE_MODULE_CLOCK_SET 0x0001028F
81 #define AFE_PARAM_ID_CLOCK_SET 0x00010290
82
83
84 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_RX 0x4000
85
86 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_TX 0x4001
87
88 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_RX 0x4002
89
90 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_TX 0x4003
91
92 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_RX 0x4004
93
94 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_TX 0x4005
95
96 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_RX 0x4006
97
98 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_TX 0x4007
99
100 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_RX 0x4008
101
102 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_TX 0x4009
103
104 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_RX 0x400a
105
106 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_TX 0x400b
107
108 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_RX 0x400c
109
110 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_TX 0x400d
111 #define AFE_PORT_ID_PRIMARY_MI2S_RX 0x1000
112 #define AFE_PORT_ID_PRIMARY_MI2S_TX 0x1001
113 #define AFE_PORT_ID_SECONDARY_MI2S_RX 0x1002
114 #define AFE_PORT_ID_SECONDARY_MI2S_TX 0x1003
115 #define AFE_PORT_ID_TERTIARY_MI2S_RX 0x1004
116 #define AFE_PORT_ID_TERTIARY_MI2S_TX 0x1005
117 #define AFE_PORT_ID_QUATERNARY_MI2S_RX 0x1006
118 #define AFE_PORT_ID_QUATERNARY_MI2S_TX 0x1007
119
120
121 #define AFE_PORT_ID_TDM_PORT_RANGE_START 0x9000
122
123
124 #define AFE_PORT_ID_TDM_PORT_RANGE_END \
125 (AFE_PORT_ID_TDM_PORT_RANGE_START+0x50-1)
126
127
128 #define AFE_PORT_ID_TDM_PORT_RANGE_SIZE \
129 (AFE_PORT_ID_TDM_PORT_RANGE_END - \
130 AFE_PORT_ID_TDM_PORT_RANGE_START+1)
131
132 #define AFE_PORT_ID_PRIMARY_TDM_RX \
133 (AFE_PORT_ID_TDM_PORT_RANGE_START + 0x00)
134 #define AFE_PORT_ID_PRIMARY_TDM_RX_1 \
135 (AFE_PORT_ID_PRIMARY_TDM_RX + 0x02)
136 #define AFE_PORT_ID_PRIMARY_TDM_RX_2 \
137 (AFE_PORT_ID_PRIMARY_TDM_RX + 0x04)
138 #define AFE_PORT_ID_PRIMARY_TDM_RX_3 \
139 (AFE_PORT_ID_PRIMARY_TDM_RX + 0x06)
140 #define AFE_PORT_ID_PRIMARY_TDM_RX_4 \
141 (AFE_PORT_ID_PRIMARY_TDM_RX + 0x08)
142 #define AFE_PORT_ID_PRIMARY_TDM_RX_5 \
143 (AFE_PORT_ID_PRIMARY_TDM_RX + 0x0A)
144 #define AFE_PORT_ID_PRIMARY_TDM_RX_6 \
145 (AFE_PORT_ID_PRIMARY_TDM_RX + 0x0C)
146 #define AFE_PORT_ID_PRIMARY_TDM_RX_7 \
147 (AFE_PORT_ID_PRIMARY_TDM_RX + 0x0E)
148
149 #define AFE_PORT_ID_PRIMARY_TDM_TX \
150 (AFE_PORT_ID_TDM_PORT_RANGE_START + 0x01)
151 #define AFE_PORT_ID_PRIMARY_TDM_TX_1 \
152 (AFE_PORT_ID_PRIMARY_TDM_TX + 0x02)
153 #define AFE_PORT_ID_PRIMARY_TDM_TX_2 \
154 (AFE_PORT_ID_PRIMARY_TDM_TX + 0x04)
155 #define AFE_PORT_ID_PRIMARY_TDM_TX_3 \
156 (AFE_PORT_ID_PRIMARY_TDM_TX + 0x06)
157 #define AFE_PORT_ID_PRIMARY_TDM_TX_4 \
158 (AFE_PORT_ID_PRIMARY_TDM_TX + 0x08)
159 #define AFE_PORT_ID_PRIMARY_TDM_TX_5 \
160 (AFE_PORT_ID_PRIMARY_TDM_TX + 0x0A)
161 #define AFE_PORT_ID_PRIMARY_TDM_TX_6 \
162 (AFE_PORT_ID_PRIMARY_TDM_TX + 0x0C)
163 #define AFE_PORT_ID_PRIMARY_TDM_TX_7 \
164 (AFE_PORT_ID_PRIMARY_TDM_TX + 0x0E)
165
166 #define AFE_PORT_ID_SECONDARY_TDM_RX \
167 (AFE_PORT_ID_TDM_PORT_RANGE_START + 0x10)
168 #define AFE_PORT_ID_SECONDARY_TDM_RX_1 \
169 (AFE_PORT_ID_SECONDARY_TDM_RX + 0x02)
170 #define AFE_PORT_ID_SECONDARY_TDM_RX_2 \
171 (AFE_PORT_ID_SECONDARY_TDM_RX + 0x04)
172 #define AFE_PORT_ID_SECONDARY_TDM_RX_3 \
173 (AFE_PORT_ID_SECONDARY_TDM_RX + 0x06)
174 #define AFE_PORT_ID_SECONDARY_TDM_RX_4 \
175 (AFE_PORT_ID_SECONDARY_TDM_RX + 0x08)
176 #define AFE_PORT_ID_SECONDARY_TDM_RX_5 \
177 (AFE_PORT_ID_SECONDARY_TDM_RX + 0x0A)
178 #define AFE_PORT_ID_SECONDARY_TDM_RX_6 \
179 (AFE_PORT_ID_SECONDARY_TDM_RX + 0x0C)
180 #define AFE_PORT_ID_SECONDARY_TDM_RX_7 \
181 (AFE_PORT_ID_SECONDARY_TDM_RX + 0x0E)
182
183 #define AFE_PORT_ID_SECONDARY_TDM_TX \
184 (AFE_PORT_ID_TDM_PORT_RANGE_START + 0x11)
185 #define AFE_PORT_ID_SECONDARY_TDM_TX_1 \
186 (AFE_PORT_ID_SECONDARY_TDM_TX + 0x02)
187 #define AFE_PORT_ID_SECONDARY_TDM_TX_2 \
188 (AFE_PORT_ID_SECONDARY_TDM_TX + 0x04)
189 #define AFE_PORT_ID_SECONDARY_TDM_TX_3 \
190 (AFE_PORT_ID_SECONDARY_TDM_TX + 0x06)
191 #define AFE_PORT_ID_SECONDARY_TDM_TX_4 \
192 (AFE_PORT_ID_SECONDARY_TDM_TX + 0x08)
193 #define AFE_PORT_ID_SECONDARY_TDM_TX_5 \
194 (AFE_PORT_ID_SECONDARY_TDM_TX + 0x0A)
195 #define AFE_PORT_ID_SECONDARY_TDM_TX_6 \
196 (AFE_PORT_ID_SECONDARY_TDM_TX + 0x0C)
197 #define AFE_PORT_ID_SECONDARY_TDM_TX_7 \
198 (AFE_PORT_ID_SECONDARY_TDM_TX + 0x0E)
199
200 #define AFE_PORT_ID_TERTIARY_TDM_RX \
201 (AFE_PORT_ID_TDM_PORT_RANGE_START + 0x20)
202 #define AFE_PORT_ID_TERTIARY_TDM_RX_1 \
203 (AFE_PORT_ID_TERTIARY_TDM_RX + 0x02)
204 #define AFE_PORT_ID_TERTIARY_TDM_RX_2 \
205 (AFE_PORT_ID_TERTIARY_TDM_RX + 0x04)
206 #define AFE_PORT_ID_TERTIARY_TDM_RX_3 \
207 (AFE_PORT_ID_TERTIARY_TDM_RX + 0x06)
208 #define AFE_PORT_ID_TERTIARY_TDM_RX_4 \
209 (AFE_PORT_ID_TERTIARY_TDM_RX + 0x08)
210 #define AFE_PORT_ID_TERTIARY_TDM_RX_5 \
211 (AFE_PORT_ID_TERTIARY_TDM_RX + 0x0A)
212 #define AFE_PORT_ID_TERTIARY_TDM_RX_6 \
213 (AFE_PORT_ID_TERTIARY_TDM_RX + 0x0C)
214 #define AFE_PORT_ID_TERTIARY_TDM_RX_7 \
215 (AFE_PORT_ID_TERTIARY_TDM_RX + 0x0E)
216
217 #define AFE_PORT_ID_TERTIARY_TDM_TX \
218 (AFE_PORT_ID_TDM_PORT_RANGE_START + 0x21)
219 #define AFE_PORT_ID_TERTIARY_TDM_TX_1 \
220 (AFE_PORT_ID_TERTIARY_TDM_TX + 0x02)
221 #define AFE_PORT_ID_TERTIARY_TDM_TX_2 \
222 (AFE_PORT_ID_TERTIARY_TDM_TX + 0x04)
223 #define AFE_PORT_ID_TERTIARY_TDM_TX_3 \
224 (AFE_PORT_ID_TERTIARY_TDM_TX + 0x06)
225 #define AFE_PORT_ID_TERTIARY_TDM_TX_4 \
226 (AFE_PORT_ID_TERTIARY_TDM_TX + 0x08)
227 #define AFE_PORT_ID_TERTIARY_TDM_TX_5 \
228 (AFE_PORT_ID_TERTIARY_TDM_TX + 0x0A)
229 #define AFE_PORT_ID_TERTIARY_TDM_TX_6 \
230 (AFE_PORT_ID_TERTIARY_TDM_TX + 0x0C)
231 #define AFE_PORT_ID_TERTIARY_TDM_TX_7 \
232 (AFE_PORT_ID_TERTIARY_TDM_TX + 0x0E)
233
234 #define AFE_PORT_ID_QUATERNARY_TDM_RX \
235 (AFE_PORT_ID_TDM_PORT_RANGE_START + 0x30)
236 #define AFE_PORT_ID_QUATERNARY_TDM_RX_1 \
237 (AFE_PORT_ID_QUATERNARY_TDM_RX + 0x02)
238 #define AFE_PORT_ID_QUATERNARY_TDM_RX_2 \
239 (AFE_PORT_ID_QUATERNARY_TDM_RX + 0x04)
240 #define AFE_PORT_ID_QUATERNARY_TDM_RX_3 \
241 (AFE_PORT_ID_QUATERNARY_TDM_RX + 0x06)
242 #define AFE_PORT_ID_QUATERNARY_TDM_RX_4 \
243 (AFE_PORT_ID_QUATERNARY_TDM_RX + 0x08)
244 #define AFE_PORT_ID_QUATERNARY_TDM_RX_5 \
245 (AFE_PORT_ID_QUATERNARY_TDM_RX + 0x0A)
246 #define AFE_PORT_ID_QUATERNARY_TDM_RX_6 \
247 (AFE_PORT_ID_QUATERNARY_TDM_RX + 0x0C)
248 #define AFE_PORT_ID_QUATERNARY_TDM_RX_7 \
249 (AFE_PORT_ID_QUATERNARY_TDM_RX + 0x0E)
250
251 #define AFE_PORT_ID_QUATERNARY_TDM_TX \
252 (AFE_PORT_ID_TDM_PORT_RANGE_START + 0x31)
253 #define AFE_PORT_ID_QUATERNARY_TDM_TX_1 \
254 (AFE_PORT_ID_QUATERNARY_TDM_TX + 0x02)
255 #define AFE_PORT_ID_QUATERNARY_TDM_TX_2 \
256 (AFE_PORT_ID_QUATERNARY_TDM_TX + 0x04)
257 #define AFE_PORT_ID_QUATERNARY_TDM_TX_3 \
258 (AFE_PORT_ID_QUATERNARY_TDM_TX + 0x06)
259 #define AFE_PORT_ID_QUATERNARY_TDM_TX_4 \
260 (AFE_PORT_ID_QUATERNARY_TDM_TX + 0x08)
261 #define AFE_PORT_ID_QUATERNARY_TDM_TX_5 \
262 (AFE_PORT_ID_QUATERNARY_TDM_TX + 0x0A)
263 #define AFE_PORT_ID_QUATERNARY_TDM_TX_6 \
264 (AFE_PORT_ID_QUATERNARY_TDM_TX + 0x0C)
265 #define AFE_PORT_ID_QUATERNARY_TDM_TX_7 \
266 (AFE_PORT_ID_QUATERNARY_TDM_TX + 0x0E)
267
268 #define AFE_PORT_ID_QUINARY_TDM_RX \
269 (AFE_PORT_ID_TDM_PORT_RANGE_START + 0x40)
270 #define AFE_PORT_ID_QUINARY_TDM_RX_1 \
271 (AFE_PORT_ID_QUINARY_TDM_RX + 0x02)
272 #define AFE_PORT_ID_QUINARY_TDM_RX_2 \
273 (AFE_PORT_ID_QUINARY_TDM_RX + 0x04)
274 #define AFE_PORT_ID_QUINARY_TDM_RX_3 \
275 (AFE_PORT_ID_QUINARY_TDM_RX + 0x06)
276 #define AFE_PORT_ID_QUINARY_TDM_RX_4 \
277 (AFE_PORT_ID_QUINARY_TDM_RX + 0x08)
278 #define AFE_PORT_ID_QUINARY_TDM_RX_5 \
279 (AFE_PORT_ID_QUINARY_TDM_RX + 0x0A)
280 #define AFE_PORT_ID_QUINARY_TDM_RX_6 \
281 (AFE_PORT_ID_QUINARY_TDM_RX + 0x0C)
282 #define AFE_PORT_ID_QUINARY_TDM_RX_7 \
283 (AFE_PORT_ID_QUINARY_TDM_RX + 0x0E)
284
285 #define AFE_PORT_ID_QUINARY_TDM_TX \
286 (AFE_PORT_ID_TDM_PORT_RANGE_START + 0x41)
287 #define AFE_PORT_ID_QUINARY_TDM_TX_1 \
288 (AFE_PORT_ID_QUINARY_TDM_TX + 0x02)
289 #define AFE_PORT_ID_QUINARY_TDM_TX_2 \
290 (AFE_PORT_ID_QUINARY_TDM_TX + 0x04)
291 #define AFE_PORT_ID_QUINARY_TDM_TX_3 \
292 (AFE_PORT_ID_QUINARY_TDM_TX + 0x06)
293 #define AFE_PORT_ID_QUINARY_TDM_TX_4 \
294 (AFE_PORT_ID_QUINARY_TDM_TX + 0x08)
295 #define AFE_PORT_ID_QUINARY_TDM_TX_5 \
296 (AFE_PORT_ID_QUINARY_TDM_TX + 0x0A)
297 #define AFE_PORT_ID_QUINARY_TDM_TX_6 \
298 (AFE_PORT_ID_QUINARY_TDM_TX + 0x0C)
299 #define AFE_PORT_ID_QUINARY_TDM_TX_7 \
300 (AFE_PORT_ID_QUINARY_TDM_TX + 0x0E)
301
302 #define Q6AFE_LPASS_MODE_CLK1_VALID 1
303 #define Q6AFE_LPASS_MODE_CLK2_VALID 2
304 #define Q6AFE_LPASS_CLK_SRC_INTERNAL 1
305 #define Q6AFE_LPASS_CLK_ROOT_DEFAULT 0
306 #define AFE_API_VERSION_TDM_CONFIG 1
307 #define AFE_API_VERSION_SLOT_MAPPING_CONFIG 1
308
309 #define TIMEOUT_MS 1000
310 #define AFE_CMD_RESP_AVAIL 0
311 #define AFE_CMD_RESP_NONE 1
312
313 struct q6afe {
314 struct apr_device *apr;
315 struct device *dev;
316 struct q6core_svc_api_info ainfo;
317 struct mutex lock;
318 struct list_head port_list;
319 spinlock_t port_list_lock;
320 };
321
322 struct afe_port_cmd_device_start {
323 u16 port_id;
324 u16 reserved;
325 } __packed;
326
327 struct afe_port_cmd_device_stop {
328 u16 port_id;
329 u16 reserved;
330
331 } __packed;
332
333 struct afe_port_param_data_v2 {
334 u32 module_id;
335 u32 param_id;
336 u16 param_size;
337 u16 reserved;
338 } __packed;
339
340 struct afe_svc_cmd_set_param {
341 uint32_t payload_size;
342 uint32_t payload_address_lsw;
343 uint32_t payload_address_msw;
344 uint32_t mem_map_handle;
345 } __packed;
346
347 struct afe_port_cmd_set_param_v2 {
348 u16 port_id;
349 u16 payload_size;
350 u32 payload_address_lsw;
351 u32 payload_address_msw;
352 u32 mem_map_handle;
353 } __packed;
354
355 struct afe_param_id_hdmi_multi_chan_audio_cfg {
356 u32 hdmi_cfg_minor_version;
357 u16 datatype;
358 u16 channel_allocation;
359 u32 sample_rate;
360 u16 bit_width;
361 u16 reserved;
362 } __packed;
363
364 struct afe_param_id_slimbus_cfg {
365 u32 sb_cfg_minor_version;
366
367
368
369
370
371 u16 slimbus_dev_id;
372
373
374
375
376 u16 bit_width;
377
378
379
380 u16 data_format;
381
382
383
384
385
386 u16 num_channels;
387
388
389
390 u8 shared_ch_mapping[AFE_PORT_MAX_AUDIO_CHAN_CNT];
391
392
393
394
395
396 u32 sample_rate;
397
398
399
400
401
402
403
404
405 } __packed;
406
407 struct afe_clk_cfg {
408 u32 i2s_cfg_minor_version;
409 u32 clk_val1;
410 u32 clk_val2;
411 u16 clk_src;
412 u16 clk_root;
413 u16 clk_set_mode;
414 u16 reserved;
415 } __packed;
416
417 struct afe_digital_clk_cfg {
418 u32 i2s_cfg_minor_version;
419 u32 clk_val;
420 u16 clk_root;
421 u16 reserved;
422 } __packed;
423
424 struct afe_param_id_i2s_cfg {
425 u32 i2s_cfg_minor_version;
426 u16 bit_width;
427 u16 channel_mode;
428 u16 mono_stereo;
429 u16 ws_src;
430 u32 sample_rate;
431 u16 data_format;
432 u16 reserved;
433 } __packed;
434
435 struct afe_param_id_tdm_cfg {
436 u32 tdm_cfg_minor_version;
437 u32 num_channels;
438 u32 sample_rate;
439 u32 bit_width;
440 u16 data_format;
441 u16 sync_mode;
442 u16 sync_src;
443 u16 nslots_per_frame;
444 u16 ctrl_data_out_enable;
445 u16 ctrl_invert_sync_pulse;
446 u16 ctrl_sync_data_delay;
447 u16 slot_width;
448 u32 slot_mask;
449 } __packed;
450
451 union afe_port_config {
452 struct afe_param_id_hdmi_multi_chan_audio_cfg hdmi_multi_ch;
453 struct afe_param_id_slimbus_cfg slim_cfg;
454 struct afe_param_id_i2s_cfg i2s_cfg;
455 struct afe_param_id_tdm_cfg tdm_cfg;
456 } __packed;
457
458
459 struct afe_clk_set {
460 uint32_t clk_set_minor_version;
461 uint32_t clk_id;
462 uint32_t clk_freq_in_hz;
463 uint16_t clk_attri;
464 uint16_t clk_root;
465 uint32_t enable;
466 };
467
468 struct afe_param_id_slot_mapping_cfg {
469 u32 minor_version;
470 u16 num_channels;
471 u16 bitwidth;
472 u32 data_align_type;
473 u16 ch_mapping[AFE_PORT_MAX_AUDIO_CHAN_CNT];
474 } __packed;
475
476 struct q6afe_port {
477 wait_queue_head_t wait;
478 union afe_port_config port_cfg;
479 struct afe_param_id_slot_mapping_cfg *scfg;
480 struct aprv2_ibasic_rsp_result_t result;
481 int token;
482 int id;
483 int cfg_type;
484 struct q6afe *afe;
485 struct kref refcount;
486 struct list_head node;
487 };
488
489 struct afe_port_map {
490 int port_id;
491 int token;
492 int is_rx;
493 int is_dig_pcm;
494 };
495
496
497
498
499
500
501
502 static struct afe_port_map port_maps[AFE_PORT_MAX] = {
503 [HDMI_RX] = { AFE_PORT_ID_MULTICHAN_HDMI_RX, HDMI_RX, 1, 1},
504 [SLIMBUS_0_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_RX,
505 SLIMBUS_0_RX, 1, 1},
506 [SLIMBUS_1_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_RX,
507 SLIMBUS_1_RX, 1, 1},
508 [SLIMBUS_2_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_RX,
509 SLIMBUS_2_RX, 1, 1},
510 [SLIMBUS_3_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_RX,
511 SLIMBUS_3_RX, 1, 1},
512 [SLIMBUS_4_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_RX,
513 SLIMBUS_4_RX, 1, 1},
514 [SLIMBUS_5_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_RX,
515 SLIMBUS_5_RX, 1, 1},
516 [SLIMBUS_6_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_RX,
517 SLIMBUS_6_RX, 1, 1},
518 [SLIMBUS_0_TX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_TX,
519 SLIMBUS_0_TX, 0, 1},
520 [SLIMBUS_1_TX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_TX,
521 SLIMBUS_1_TX, 0, 1},
522 [SLIMBUS_2_TX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_TX,
523 SLIMBUS_2_TX, 0, 1},
524 [SLIMBUS_3_TX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_TX,
525 SLIMBUS_3_TX, 0, 1},
526 [SLIMBUS_4_TX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_TX,
527 SLIMBUS_4_TX, 0, 1},
528 [SLIMBUS_5_TX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_TX,
529 SLIMBUS_5_TX, 0, 1},
530 [SLIMBUS_6_TX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_TX,
531 SLIMBUS_6_TX, 0, 1},
532 [PRIMARY_MI2S_RX] = { AFE_PORT_ID_PRIMARY_MI2S_RX,
533 PRIMARY_MI2S_RX, 1, 1},
534 [PRIMARY_MI2S_TX] = { AFE_PORT_ID_PRIMARY_MI2S_TX,
535 PRIMARY_MI2S_RX, 0, 1},
536 [SECONDARY_MI2S_RX] = { AFE_PORT_ID_SECONDARY_MI2S_RX,
537 SECONDARY_MI2S_RX, 1, 1},
538 [SECONDARY_MI2S_TX] = { AFE_PORT_ID_SECONDARY_MI2S_TX,
539 SECONDARY_MI2S_TX, 0, 1},
540 [TERTIARY_MI2S_RX] = { AFE_PORT_ID_TERTIARY_MI2S_RX,
541 TERTIARY_MI2S_RX, 1, 1},
542 [TERTIARY_MI2S_TX] = { AFE_PORT_ID_TERTIARY_MI2S_TX,
543 TERTIARY_MI2S_TX, 0, 1},
544 [QUATERNARY_MI2S_RX] = { AFE_PORT_ID_QUATERNARY_MI2S_RX,
545 QUATERNARY_MI2S_RX, 1, 1},
546 [QUATERNARY_MI2S_TX] = { AFE_PORT_ID_QUATERNARY_MI2S_TX,
547 QUATERNARY_MI2S_TX, 0, 1},
548 [PRIMARY_TDM_RX_0] = { AFE_PORT_ID_PRIMARY_TDM_RX,
549 PRIMARY_TDM_RX_0, 1, 1},
550 [PRIMARY_TDM_TX_0] = { AFE_PORT_ID_PRIMARY_TDM_TX,
551 PRIMARY_TDM_TX_0, 0, 1},
552 [PRIMARY_TDM_RX_1] = { AFE_PORT_ID_PRIMARY_TDM_RX_1,
553 PRIMARY_TDM_RX_1, 1, 1},
554 [PRIMARY_TDM_TX_1] = { AFE_PORT_ID_PRIMARY_TDM_TX_1,
555 PRIMARY_TDM_TX_1, 0, 1},
556 [PRIMARY_TDM_RX_2] = { AFE_PORT_ID_PRIMARY_TDM_RX_2,
557 PRIMARY_TDM_RX_2, 1, 1},
558 [PRIMARY_TDM_TX_2] = { AFE_PORT_ID_PRIMARY_TDM_TX_2,
559 PRIMARY_TDM_TX_2, 0, 1},
560 [PRIMARY_TDM_RX_3] = { AFE_PORT_ID_PRIMARY_TDM_RX_3,
561 PRIMARY_TDM_RX_3, 1, 1},
562 [PRIMARY_TDM_TX_3] = { AFE_PORT_ID_PRIMARY_TDM_TX_3,
563 PRIMARY_TDM_TX_3, 0, 1},
564 [PRIMARY_TDM_RX_4] = { AFE_PORT_ID_PRIMARY_TDM_RX_4,
565 PRIMARY_TDM_RX_4, 1, 1},
566 [PRIMARY_TDM_TX_4] = { AFE_PORT_ID_PRIMARY_TDM_TX_4,
567 PRIMARY_TDM_TX_4, 0, 1},
568 [PRIMARY_TDM_RX_5] = { AFE_PORT_ID_PRIMARY_TDM_RX_5,
569 PRIMARY_TDM_RX_5, 1, 1},
570 [PRIMARY_TDM_TX_5] = { AFE_PORT_ID_PRIMARY_TDM_TX_5,
571 PRIMARY_TDM_TX_5, 0, 1},
572 [PRIMARY_TDM_RX_6] = { AFE_PORT_ID_PRIMARY_TDM_RX_6,
573 PRIMARY_TDM_RX_6, 1, 1},
574 [PRIMARY_TDM_TX_6] = { AFE_PORT_ID_PRIMARY_TDM_TX_6,
575 PRIMARY_TDM_TX_6, 0, 1},
576 [PRIMARY_TDM_RX_7] = { AFE_PORT_ID_PRIMARY_TDM_RX_7,
577 PRIMARY_TDM_RX_7, 1, 1},
578 [PRIMARY_TDM_TX_7] = { AFE_PORT_ID_PRIMARY_TDM_TX_7,
579 PRIMARY_TDM_TX_7, 0, 1},
580 [SECONDARY_TDM_RX_0] = { AFE_PORT_ID_SECONDARY_TDM_RX,
581 SECONDARY_TDM_RX_0, 1, 1},
582 [SECONDARY_TDM_TX_0] = { AFE_PORT_ID_SECONDARY_TDM_TX,
583 SECONDARY_TDM_TX_0, 0, 1},
584 [SECONDARY_TDM_RX_1] = { AFE_PORT_ID_SECONDARY_TDM_RX_1,
585 SECONDARY_TDM_RX_1, 1, 1},
586 [SECONDARY_TDM_TX_1] = { AFE_PORT_ID_SECONDARY_TDM_TX_1,
587 SECONDARY_TDM_TX_1, 0, 1},
588 [SECONDARY_TDM_RX_2] = { AFE_PORT_ID_SECONDARY_TDM_RX_2,
589 SECONDARY_TDM_RX_2, 1, 1},
590 [SECONDARY_TDM_TX_2] = { AFE_PORT_ID_SECONDARY_TDM_TX_2,
591 SECONDARY_TDM_TX_2, 0, 1},
592 [SECONDARY_TDM_RX_3] = { AFE_PORT_ID_SECONDARY_TDM_RX_3,
593 SECONDARY_TDM_RX_3, 1, 1},
594 [SECONDARY_TDM_TX_3] = { AFE_PORT_ID_SECONDARY_TDM_TX_3,
595 SECONDARY_TDM_TX_3, 0, 1},
596 [SECONDARY_TDM_RX_4] = { AFE_PORT_ID_SECONDARY_TDM_RX_4,
597 SECONDARY_TDM_RX_4, 1, 1},
598 [SECONDARY_TDM_TX_4] = { AFE_PORT_ID_SECONDARY_TDM_TX_4,
599 SECONDARY_TDM_TX_4, 0, 1},
600 [SECONDARY_TDM_RX_5] = { AFE_PORT_ID_SECONDARY_TDM_RX_5,
601 SECONDARY_TDM_RX_5, 1, 1},
602 [SECONDARY_TDM_TX_5] = { AFE_PORT_ID_SECONDARY_TDM_TX_5,
603 SECONDARY_TDM_TX_5, 0, 1},
604 [SECONDARY_TDM_RX_6] = { AFE_PORT_ID_SECONDARY_TDM_RX_6,
605 SECONDARY_TDM_RX_6, 1, 1},
606 [SECONDARY_TDM_TX_6] = { AFE_PORT_ID_SECONDARY_TDM_TX_6,
607 SECONDARY_TDM_TX_6, 0, 1},
608 [SECONDARY_TDM_RX_7] = { AFE_PORT_ID_SECONDARY_TDM_RX_7,
609 SECONDARY_TDM_RX_7, 1, 1},
610 [SECONDARY_TDM_TX_7] = { AFE_PORT_ID_SECONDARY_TDM_TX_7,
611 SECONDARY_TDM_TX_7, 0, 1},
612 [TERTIARY_TDM_RX_0] = { AFE_PORT_ID_TERTIARY_TDM_RX,
613 TERTIARY_TDM_RX_0, 1, 1},
614 [TERTIARY_TDM_TX_0] = { AFE_PORT_ID_TERTIARY_TDM_TX,
615 TERTIARY_TDM_TX_0, 0, 1},
616 [TERTIARY_TDM_RX_1] = { AFE_PORT_ID_TERTIARY_TDM_RX_1,
617 TERTIARY_TDM_RX_1, 1, 1},
618 [TERTIARY_TDM_TX_1] = { AFE_PORT_ID_TERTIARY_TDM_TX_1,
619 TERTIARY_TDM_TX_1, 0, 1},
620 [TERTIARY_TDM_RX_2] = { AFE_PORT_ID_TERTIARY_TDM_RX_2,
621 TERTIARY_TDM_RX_2, 1, 1},
622 [TERTIARY_TDM_TX_2] = { AFE_PORT_ID_TERTIARY_TDM_TX_2,
623 TERTIARY_TDM_TX_2, 0, 1},
624 [TERTIARY_TDM_RX_3] = { AFE_PORT_ID_TERTIARY_TDM_RX_3,
625 TERTIARY_TDM_RX_3, 1, 1},
626 [TERTIARY_TDM_TX_3] = { AFE_PORT_ID_TERTIARY_TDM_TX_3,
627 TERTIARY_TDM_TX_3, 0, 1},
628 [TERTIARY_TDM_RX_4] = { AFE_PORT_ID_TERTIARY_TDM_RX_4,
629 TERTIARY_TDM_RX_4, 1, 1},
630 [TERTIARY_TDM_TX_4] = { AFE_PORT_ID_TERTIARY_TDM_TX_4,
631 TERTIARY_TDM_TX_4, 0, 1},
632 [TERTIARY_TDM_RX_5] = { AFE_PORT_ID_TERTIARY_TDM_RX_5,
633 TERTIARY_TDM_RX_5, 1, 1},
634 [TERTIARY_TDM_TX_5] = { AFE_PORT_ID_TERTIARY_TDM_TX_5,
635 TERTIARY_TDM_TX_5, 0, 1},
636 [TERTIARY_TDM_RX_6] = { AFE_PORT_ID_TERTIARY_TDM_RX_6,
637 TERTIARY_TDM_RX_6, 1, 1},
638 [TERTIARY_TDM_TX_6] = { AFE_PORT_ID_TERTIARY_TDM_TX_6,
639 TERTIARY_TDM_TX_6, 0, 1},
640 [TERTIARY_TDM_RX_7] = { AFE_PORT_ID_TERTIARY_TDM_RX_7,
641 TERTIARY_TDM_RX_7, 1, 1},
642 [TERTIARY_TDM_TX_7] = { AFE_PORT_ID_TERTIARY_TDM_TX_7,
643 TERTIARY_TDM_TX_7, 0, 1},
644 [QUATERNARY_TDM_RX_0] = { AFE_PORT_ID_QUATERNARY_TDM_RX,
645 QUATERNARY_TDM_RX_0, 1, 1},
646 [QUATERNARY_TDM_TX_0] = { AFE_PORT_ID_QUATERNARY_TDM_TX,
647 QUATERNARY_TDM_TX_0, 0, 1},
648 [QUATERNARY_TDM_RX_1] = { AFE_PORT_ID_QUATERNARY_TDM_RX_1,
649 QUATERNARY_TDM_RX_1, 1, 1},
650 [QUATERNARY_TDM_TX_1] = { AFE_PORT_ID_QUATERNARY_TDM_TX_1,
651 QUATERNARY_TDM_TX_1, 0, 1},
652 [QUATERNARY_TDM_RX_2] = { AFE_PORT_ID_QUATERNARY_TDM_RX_2,
653 QUATERNARY_TDM_RX_2, 1, 1},
654 [QUATERNARY_TDM_TX_2] = { AFE_PORT_ID_QUATERNARY_TDM_TX_2,
655 QUATERNARY_TDM_TX_2, 0, 1},
656 [QUATERNARY_TDM_RX_3] = { AFE_PORT_ID_QUATERNARY_TDM_RX_3,
657 QUATERNARY_TDM_RX_3, 1, 1},
658 [QUATERNARY_TDM_TX_3] = { AFE_PORT_ID_QUATERNARY_TDM_TX_3,
659 QUATERNARY_TDM_TX_3, 0, 1},
660 [QUATERNARY_TDM_RX_4] = { AFE_PORT_ID_QUATERNARY_TDM_RX_4,
661 QUATERNARY_TDM_RX_4, 1, 1},
662 [QUATERNARY_TDM_TX_4] = { AFE_PORT_ID_QUATERNARY_TDM_TX_4,
663 QUATERNARY_TDM_TX_4, 0, 1},
664 [QUATERNARY_TDM_RX_5] = { AFE_PORT_ID_QUATERNARY_TDM_RX_5,
665 QUATERNARY_TDM_RX_5, 1, 1},
666 [QUATERNARY_TDM_TX_5] = { AFE_PORT_ID_QUATERNARY_TDM_TX_5,
667 QUATERNARY_TDM_TX_5, 0, 1},
668 [QUATERNARY_TDM_RX_6] = { AFE_PORT_ID_QUATERNARY_TDM_RX_6,
669 QUATERNARY_TDM_RX_6, 1, 1},
670 [QUATERNARY_TDM_TX_6] = { AFE_PORT_ID_QUATERNARY_TDM_TX_6,
671 QUATERNARY_TDM_TX_6, 0, 1},
672 [QUATERNARY_TDM_RX_7] = { AFE_PORT_ID_QUATERNARY_TDM_RX_7,
673 QUATERNARY_TDM_RX_7, 1, 1},
674 [QUATERNARY_TDM_TX_7] = { AFE_PORT_ID_QUATERNARY_TDM_TX_7,
675 QUATERNARY_TDM_TX_7, 0, 1},
676 [QUINARY_TDM_RX_0] = { AFE_PORT_ID_QUINARY_TDM_RX,
677 QUINARY_TDM_RX_0, 1, 1},
678 [QUINARY_TDM_TX_0] = { AFE_PORT_ID_QUINARY_TDM_TX,
679 QUINARY_TDM_TX_0, 0, 1},
680 [QUINARY_TDM_RX_1] = { AFE_PORT_ID_QUINARY_TDM_RX_1,
681 QUINARY_TDM_RX_1, 1, 1},
682 [QUINARY_TDM_TX_1] = { AFE_PORT_ID_QUINARY_TDM_TX_1,
683 QUINARY_TDM_TX_1, 0, 1},
684 [QUINARY_TDM_RX_2] = { AFE_PORT_ID_QUINARY_TDM_RX_2,
685 QUINARY_TDM_RX_2, 1, 1},
686 [QUINARY_TDM_TX_2] = { AFE_PORT_ID_QUINARY_TDM_TX_2,
687 QUINARY_TDM_TX_2, 0, 1},
688 [QUINARY_TDM_RX_3] = { AFE_PORT_ID_QUINARY_TDM_RX_3,
689 QUINARY_TDM_RX_3, 1, 1},
690 [QUINARY_TDM_TX_3] = { AFE_PORT_ID_QUINARY_TDM_TX_3,
691 QUINARY_TDM_TX_3, 0, 1},
692 [QUINARY_TDM_RX_4] = { AFE_PORT_ID_QUINARY_TDM_RX_4,
693 QUINARY_TDM_RX_4, 1, 1},
694 [QUINARY_TDM_TX_4] = { AFE_PORT_ID_QUINARY_TDM_TX_4,
695 QUINARY_TDM_TX_4, 0, 1},
696 [QUINARY_TDM_RX_5] = { AFE_PORT_ID_QUINARY_TDM_RX_5,
697 QUINARY_TDM_RX_5, 1, 1},
698 [QUINARY_TDM_TX_5] = { AFE_PORT_ID_QUINARY_TDM_TX_5,
699 QUINARY_TDM_TX_5, 0, 1},
700 [QUINARY_TDM_RX_6] = { AFE_PORT_ID_QUINARY_TDM_RX_6,
701 QUINARY_TDM_RX_6, 1, 1},
702 [QUINARY_TDM_TX_6] = { AFE_PORT_ID_QUINARY_TDM_TX_6,
703 QUINARY_TDM_TX_6, 0, 1},
704 [QUINARY_TDM_RX_7] = { AFE_PORT_ID_QUINARY_TDM_RX_7,
705 QUINARY_TDM_RX_7, 1, 1},
706 [QUINARY_TDM_TX_7] = { AFE_PORT_ID_QUINARY_TDM_TX_7,
707 QUINARY_TDM_TX_7, 0, 1},
708 [DISPLAY_PORT_RX] = { AFE_PORT_ID_HDMI_OVER_DP_RX,
709 DISPLAY_PORT_RX, 1, 1},
710 };
711
712 static void q6afe_port_free(struct kref *ref)
713 {
714 struct q6afe_port *port;
715 struct q6afe *afe;
716 unsigned long flags;
717
718 port = container_of(ref, struct q6afe_port, refcount);
719 afe = port->afe;
720 spin_lock_irqsave(&afe->port_list_lock, flags);
721 list_del(&port->node);
722 spin_unlock_irqrestore(&afe->port_list_lock, flags);
723 kfree(port->scfg);
724 kfree(port);
725 }
726
727 static struct q6afe_port *q6afe_find_port(struct q6afe *afe, int token)
728 {
729 struct q6afe_port *p = NULL;
730 struct q6afe_port *ret = NULL;
731 unsigned long flags;
732
733 spin_lock_irqsave(&afe->port_list_lock, flags);
734 list_for_each_entry(p, &afe->port_list, node)
735 if (p->token == token) {
736 ret = p;
737 kref_get(&p->refcount);
738 break;
739 }
740
741 spin_unlock_irqrestore(&afe->port_list_lock, flags);
742 return ret;
743 }
744
745 static int q6afe_callback(struct apr_device *adev, struct apr_resp_pkt *data)
746 {
747 struct q6afe *afe = dev_get_drvdata(&adev->dev);
748 struct aprv2_ibasic_rsp_result_t *res;
749 struct apr_hdr *hdr = &data->hdr;
750 struct q6afe_port *port;
751
752 if (!data->payload_size)
753 return 0;
754
755 res = data->payload;
756 switch (hdr->opcode) {
757 case APR_BASIC_RSP_RESULT: {
758 if (res->status) {
759 dev_err(afe->dev, "cmd = 0x%x returned error = 0x%x\n",
760 res->opcode, res->status);
761 }
762 switch (res->opcode) {
763 case AFE_PORT_CMD_SET_PARAM_V2:
764 case AFE_PORT_CMD_DEVICE_STOP:
765 case AFE_PORT_CMD_DEVICE_START:
766 case AFE_SVC_CMD_SET_PARAM:
767 port = q6afe_find_port(afe, hdr->token);
768 if (port) {
769 port->result = *res;
770 wake_up(&port->wait);
771 kref_put(&port->refcount, q6afe_port_free);
772 }
773 break;
774 default:
775 dev_err(afe->dev, "Unknown cmd 0x%x\n", res->opcode);
776 break;
777 }
778 }
779 break;
780 default:
781 break;
782 }
783
784 return 0;
785 }
786
787
788
789
790
791
792
793
794 int q6afe_get_port_id(int index)
795 {
796 if (index < 0 || index >= AFE_PORT_MAX)
797 return -EINVAL;
798
799 return port_maps[index].port_id;
800 }
801 EXPORT_SYMBOL_GPL(q6afe_get_port_id);
802
803 static int afe_apr_send_pkt(struct q6afe *afe, struct apr_pkt *pkt,
804 struct q6afe_port *port)
805 {
806 wait_queue_head_t *wait = &port->wait;
807 struct apr_hdr *hdr = &pkt->hdr;
808 int ret;
809
810 mutex_lock(&afe->lock);
811 port->result.opcode = 0;
812 port->result.status = 0;
813
814 ret = apr_send_pkt(afe->apr, pkt);
815 if (ret < 0) {
816 dev_err(afe->dev, "packet not transmitted (%d)\n", ret);
817 ret = -EINVAL;
818 goto err;
819 }
820
821 ret = wait_event_timeout(*wait, (port->result.opcode == hdr->opcode),
822 msecs_to_jiffies(TIMEOUT_MS));
823 if (!ret) {
824 ret = -ETIMEDOUT;
825 } else if (port->result.status > 0) {
826 dev_err(afe->dev, "DSP returned error[%x]\n",
827 port->result.status);
828 ret = -EINVAL;
829 } else {
830 ret = 0;
831 }
832
833 err:
834 mutex_unlock(&afe->lock);
835
836 return ret;
837 }
838
839 static int q6afe_port_set_param(struct q6afe_port *port, void *data,
840 int param_id, int module_id, int psize)
841 {
842 struct afe_svc_cmd_set_param *param;
843 struct afe_port_param_data_v2 *pdata;
844 struct q6afe *afe = port->afe;
845 struct apr_pkt *pkt;
846 u16 port_id = port->id;
847 int ret, pkt_size;
848 void *p, *pl;
849
850 pkt_size = APR_HDR_SIZE + sizeof(*param) + sizeof(*pdata) + psize;
851 p = kzalloc(pkt_size, GFP_KERNEL);
852 if (!p)
853 return -ENOMEM;
854
855 pkt = p;
856 param = p + APR_HDR_SIZE;
857 pdata = p + APR_HDR_SIZE + sizeof(*param);
858 pl = p + APR_HDR_SIZE + sizeof(*param) + sizeof(*pdata);
859 memcpy(pl, data, psize);
860
861 pkt->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
862 APR_HDR_LEN(APR_HDR_SIZE),
863 APR_PKT_VER);
864 pkt->hdr.pkt_size = pkt_size;
865 pkt->hdr.src_port = 0;
866 pkt->hdr.dest_port = 0;
867 pkt->hdr.token = port->token;
868 pkt->hdr.opcode = AFE_SVC_CMD_SET_PARAM;
869
870 param->payload_size = sizeof(*pdata) + psize;
871 param->payload_address_lsw = 0x00;
872 param->payload_address_msw = 0x00;
873 param->mem_map_handle = 0x00;
874 pdata->module_id = module_id;
875 pdata->param_id = param_id;
876 pdata->param_size = psize;
877
878 ret = afe_apr_send_pkt(afe, pkt, port);
879 if (ret)
880 dev_err(afe->dev, "AFE enable for port 0x%x failed %d\n",
881 port_id, ret);
882
883 kfree(pkt);
884 return ret;
885 }
886
887 static int q6afe_port_set_param_v2(struct q6afe_port *port, void *data,
888 int param_id, int module_id, int psize)
889 {
890 struct afe_port_cmd_set_param_v2 *param;
891 struct afe_port_param_data_v2 *pdata;
892 struct q6afe *afe = port->afe;
893 struct apr_pkt *pkt;
894 u16 port_id = port->id;
895 int ret, pkt_size;
896 void *p, *pl;
897
898 pkt_size = APR_HDR_SIZE + sizeof(*param) + sizeof(*pdata) + psize;
899 p = kzalloc(pkt_size, GFP_KERNEL);
900 if (!p)
901 return -ENOMEM;
902
903 pkt = p;
904 param = p + APR_HDR_SIZE;
905 pdata = p + APR_HDR_SIZE + sizeof(*param);
906 pl = p + APR_HDR_SIZE + sizeof(*param) + sizeof(*pdata);
907 memcpy(pl, data, psize);
908
909 pkt->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
910 APR_HDR_LEN(APR_HDR_SIZE),
911 APR_PKT_VER);
912 pkt->hdr.pkt_size = pkt_size;
913 pkt->hdr.src_port = 0;
914 pkt->hdr.dest_port = 0;
915 pkt->hdr.token = port->token;
916 pkt->hdr.opcode = AFE_PORT_CMD_SET_PARAM_V2;
917
918 param->port_id = port_id;
919 param->payload_size = sizeof(*pdata) + psize;
920 param->payload_address_lsw = 0x00;
921 param->payload_address_msw = 0x00;
922 param->mem_map_handle = 0x00;
923 pdata->module_id = module_id;
924 pdata->param_id = param_id;
925 pdata->param_size = psize;
926
927 ret = afe_apr_send_pkt(afe, pkt, port);
928 if (ret)
929 dev_err(afe->dev, "AFE enable for port 0x%x failed %d\n",
930 port_id, ret);
931
932 kfree(pkt);
933 return ret;
934 }
935
936 static int q6afe_set_lpass_clock(struct q6afe_port *port,
937 struct afe_clk_cfg *cfg)
938 {
939 return q6afe_port_set_param_v2(port, cfg,
940 AFE_PARAM_ID_LPAIF_CLK_CONFIG,
941 AFE_MODULE_AUDIO_DEV_INTERFACE,
942 sizeof(*cfg));
943 }
944
945 static int q6afe_set_lpass_clock_v2(struct q6afe_port *port,
946 struct afe_clk_set *cfg)
947 {
948 return q6afe_port_set_param(port, cfg, AFE_PARAM_ID_CLOCK_SET,
949 AFE_MODULE_CLOCK_SET, sizeof(*cfg));
950 }
951
952 static int q6afe_set_digital_codec_core_clock(struct q6afe_port *port,
953 struct afe_digital_clk_cfg *cfg)
954 {
955 return q6afe_port_set_param_v2(port, cfg,
956 AFE_PARAM_ID_INT_DIGITAL_CDC_CLK_CONFIG,
957 AFE_MODULE_AUDIO_DEV_INTERFACE,
958 sizeof(*cfg));
959 }
960
961 int q6afe_port_set_sysclk(struct q6afe_port *port, int clk_id,
962 int clk_src, int clk_root,
963 unsigned int freq, int dir)
964 {
965 struct afe_clk_cfg ccfg = {0,};
966 struct afe_clk_set cset = {0,};
967 struct afe_digital_clk_cfg dcfg = {0,};
968 int ret;
969
970 switch (clk_id) {
971 case LPAIF_DIG_CLK:
972 dcfg.i2s_cfg_minor_version = AFE_API_VERSION_I2S_CONFIG;
973 dcfg.clk_val = freq;
974 dcfg.clk_root = clk_root;
975 ret = q6afe_set_digital_codec_core_clock(port, &dcfg);
976 break;
977 case LPAIF_BIT_CLK:
978 ccfg.i2s_cfg_minor_version = AFE_API_VERSION_I2S_CONFIG;
979 ccfg.clk_val1 = freq;
980 ccfg.clk_src = clk_src;
981 ccfg.clk_root = clk_root;
982 ccfg.clk_set_mode = Q6AFE_LPASS_MODE_CLK1_VALID;
983 ret = q6afe_set_lpass_clock(port, &ccfg);
984 break;
985
986 case LPAIF_OSR_CLK:
987 ccfg.i2s_cfg_minor_version = AFE_API_VERSION_I2S_CONFIG;
988 ccfg.clk_val2 = freq;
989 ccfg.clk_src = clk_src;
990 ccfg.clk_root = clk_root;
991 ccfg.clk_set_mode = Q6AFE_LPASS_MODE_CLK2_VALID;
992 ret = q6afe_set_lpass_clock(port, &ccfg);
993 break;
994 case Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT ... Q6AFE_LPASS_CLK_ID_QUI_MI2S_OSR:
995 case Q6AFE_LPASS_CLK_ID_MCLK_1 ... Q6AFE_LPASS_CLK_ID_INT_MCLK_1:
996 case Q6AFE_LPASS_CLK_ID_PRI_TDM_IBIT ... Q6AFE_LPASS_CLK_ID_QUIN_TDM_EBIT:
997 cset.clk_set_minor_version = AFE_API_VERSION_CLOCK_SET;
998 cset.clk_id = clk_id;
999 cset.clk_freq_in_hz = freq;
1000 cset.clk_attri = clk_src;
1001 cset.clk_root = clk_root;
1002 cset.enable = !!freq;
1003 ret = q6afe_set_lpass_clock_v2(port, &cset);
1004 break;
1005 default:
1006 ret = -EINVAL;
1007 break;
1008 }
1009
1010 return ret;
1011 }
1012 EXPORT_SYMBOL_GPL(q6afe_port_set_sysclk);
1013
1014
1015
1016
1017
1018
1019
1020
1021 int q6afe_port_stop(struct q6afe_port *port)
1022 {
1023 struct afe_port_cmd_device_stop *stop;
1024 struct q6afe *afe = port->afe;
1025 struct apr_pkt *pkt;
1026 int port_id = port->id;
1027 int ret = 0;
1028 int index, pkt_size;
1029 void *p;
1030
1031 port_id = port->id;
1032 index = port->token;
1033 if (index < 0 || index >= AFE_PORT_MAX) {
1034 dev_err(afe->dev, "AFE port index[%d] invalid!\n", index);
1035 return -EINVAL;
1036 }
1037
1038 pkt_size = APR_HDR_SIZE + sizeof(*stop);
1039 p = kzalloc(pkt_size, GFP_KERNEL);
1040 if (!p)
1041 return -ENOMEM;
1042
1043 pkt = p;
1044 stop = p + APR_HDR_SIZE;
1045
1046 pkt->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
1047 APR_HDR_LEN(APR_HDR_SIZE),
1048 APR_PKT_VER);
1049 pkt->hdr.pkt_size = pkt_size;
1050 pkt->hdr.src_port = 0;
1051 pkt->hdr.dest_port = 0;
1052 pkt->hdr.token = index;
1053 pkt->hdr.opcode = AFE_PORT_CMD_DEVICE_STOP;
1054 stop->port_id = port_id;
1055 stop->reserved = 0;
1056
1057 ret = afe_apr_send_pkt(afe, pkt, port);
1058 if (ret)
1059 dev_err(afe->dev, "AFE close failed %d\n", ret);
1060
1061 kfree(pkt);
1062 return ret;
1063 }
1064 EXPORT_SYMBOL_GPL(q6afe_port_stop);
1065
1066
1067
1068
1069
1070
1071
1072
1073 void q6afe_slim_port_prepare(struct q6afe_port *port,
1074 struct q6afe_slim_cfg *cfg)
1075 {
1076 union afe_port_config *pcfg = &port->port_cfg;
1077
1078 pcfg->slim_cfg.sb_cfg_minor_version = AFE_API_VERSION_SLIMBUS_CONFIG;
1079 pcfg->slim_cfg.sample_rate = cfg->sample_rate;
1080 pcfg->slim_cfg.bit_width = cfg->bit_width;
1081 pcfg->slim_cfg.num_channels = cfg->num_channels;
1082 pcfg->slim_cfg.data_format = cfg->data_format;
1083 pcfg->slim_cfg.shared_ch_mapping[0] = cfg->ch_mapping[0];
1084 pcfg->slim_cfg.shared_ch_mapping[1] = cfg->ch_mapping[1];
1085 pcfg->slim_cfg.shared_ch_mapping[2] = cfg->ch_mapping[2];
1086 pcfg->slim_cfg.shared_ch_mapping[3] = cfg->ch_mapping[3];
1087
1088 }
1089 EXPORT_SYMBOL_GPL(q6afe_slim_port_prepare);
1090
1091
1092
1093
1094
1095
1096
1097
1098 void q6afe_tdm_port_prepare(struct q6afe_port *port,
1099 struct q6afe_tdm_cfg *cfg)
1100 {
1101 union afe_port_config *pcfg = &port->port_cfg;
1102
1103 pcfg->tdm_cfg.tdm_cfg_minor_version = AFE_API_VERSION_TDM_CONFIG;
1104 pcfg->tdm_cfg.num_channels = cfg->num_channels;
1105 pcfg->tdm_cfg.sample_rate = cfg->sample_rate;
1106 pcfg->tdm_cfg.bit_width = cfg->bit_width;
1107 pcfg->tdm_cfg.data_format = cfg->data_format;
1108 pcfg->tdm_cfg.sync_mode = cfg->sync_mode;
1109 pcfg->tdm_cfg.sync_src = cfg->sync_src;
1110 pcfg->tdm_cfg.nslots_per_frame = cfg->nslots_per_frame;
1111
1112 pcfg->tdm_cfg.slot_width = cfg->slot_width;
1113 pcfg->tdm_cfg.slot_mask = cfg->slot_mask;
1114 port->scfg = kzalloc(sizeof(*port->scfg), GFP_KERNEL);
1115 if (!port->scfg)
1116 return;
1117
1118 port->scfg->minor_version = AFE_API_VERSION_SLOT_MAPPING_CONFIG;
1119 port->scfg->num_channels = cfg->num_channels;
1120 port->scfg->bitwidth = cfg->bit_width;
1121 port->scfg->data_align_type = cfg->data_align_type;
1122 memcpy(port->scfg->ch_mapping, cfg->ch_mapping,
1123 sizeof(u16) * AFE_PORT_MAX_AUDIO_CHAN_CNT);
1124 }
1125 EXPORT_SYMBOL_GPL(q6afe_tdm_port_prepare);
1126
1127
1128
1129
1130
1131
1132
1133
1134 void q6afe_hdmi_port_prepare(struct q6afe_port *port,
1135 struct q6afe_hdmi_cfg *cfg)
1136 {
1137 union afe_port_config *pcfg = &port->port_cfg;
1138
1139 pcfg->hdmi_multi_ch.hdmi_cfg_minor_version =
1140 AFE_API_VERSION_HDMI_CONFIG;
1141 pcfg->hdmi_multi_ch.datatype = cfg->datatype;
1142 pcfg->hdmi_multi_ch.channel_allocation = cfg->channel_allocation;
1143 pcfg->hdmi_multi_ch.sample_rate = cfg->sample_rate;
1144 pcfg->hdmi_multi_ch.bit_width = cfg->bit_width;
1145 }
1146 EXPORT_SYMBOL_GPL(q6afe_hdmi_port_prepare);
1147
1148
1149
1150
1151
1152
1153
1154
1155 int q6afe_i2s_port_prepare(struct q6afe_port *port, struct q6afe_i2s_cfg *cfg)
1156 {
1157 union afe_port_config *pcfg = &port->port_cfg;
1158 struct device *dev = port->afe->dev;
1159 int num_sd_lines;
1160
1161 pcfg->i2s_cfg.i2s_cfg_minor_version = AFE_API_VERSION_I2S_CONFIG;
1162 pcfg->i2s_cfg.sample_rate = cfg->sample_rate;
1163 pcfg->i2s_cfg.bit_width = cfg->bit_width;
1164 pcfg->i2s_cfg.data_format = AFE_LINEAR_PCM_DATA;
1165
1166 switch (cfg->fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1167 case SND_SOC_DAIFMT_CBS_CFS:
1168 pcfg->i2s_cfg.ws_src = AFE_PORT_CONFIG_I2S_WS_SRC_INTERNAL;
1169 break;
1170 case SND_SOC_DAIFMT_CBM_CFM:
1171
1172 pcfg->i2s_cfg.ws_src = AFE_PORT_CONFIG_I2S_WS_SRC_EXTERNAL;
1173 break;
1174 default:
1175 break;
1176 }
1177
1178 num_sd_lines = hweight_long(cfg->sd_line_mask);
1179
1180 switch (num_sd_lines) {
1181 case 0:
1182 dev_err(dev, "no line is assigned\n");
1183 return -EINVAL;
1184 case 1:
1185 switch (cfg->sd_line_mask) {
1186 case AFE_PORT_I2S_SD0_MASK:
1187 pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_SD0;
1188 break;
1189 case AFE_PORT_I2S_SD1_MASK:
1190 pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_SD1;
1191 break;
1192 case AFE_PORT_I2S_SD2_MASK:
1193 pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_SD2;
1194 break;
1195 case AFE_PORT_I2S_SD3_MASK:
1196 pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_SD3;
1197 break;
1198 default:
1199 dev_err(dev, "Invalid SD lines\n");
1200 return -EINVAL;
1201 }
1202 break;
1203 case 2:
1204 switch (cfg->sd_line_mask) {
1205 case AFE_PORT_I2S_SD0_1_MASK:
1206 pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_QUAD01;
1207 break;
1208 case AFE_PORT_I2S_SD2_3_MASK:
1209 pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_QUAD23;
1210 break;
1211 default:
1212 dev_err(dev, "Invalid SD lines\n");
1213 return -EINVAL;
1214 }
1215 break;
1216 case 3:
1217 switch (cfg->sd_line_mask) {
1218 case AFE_PORT_I2S_SD0_1_2_MASK:
1219 pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_6CHS;
1220 break;
1221 default:
1222 dev_err(dev, "Invalid SD lines\n");
1223 return -EINVAL;
1224 }
1225 break;
1226 case 4:
1227 switch (cfg->sd_line_mask) {
1228 case AFE_PORT_I2S_SD0_1_2_3_MASK:
1229 pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_8CHS;
1230
1231 break;
1232 default:
1233 dev_err(dev, "Invalid SD lines\n");
1234 return -EINVAL;
1235 }
1236 break;
1237 default:
1238 dev_err(dev, "Invalid SD lines\n");
1239 return -EINVAL;
1240 }
1241
1242 switch (cfg->num_channels) {
1243 case 1:
1244 case 2:
1245 switch (pcfg->i2s_cfg.channel_mode) {
1246 case AFE_PORT_I2S_QUAD01:
1247 case AFE_PORT_I2S_6CHS:
1248 case AFE_PORT_I2S_8CHS:
1249 pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_SD0;
1250 break;
1251 case AFE_PORT_I2S_QUAD23:
1252 pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_SD2;
1253 break;
1254 }
1255
1256 if (cfg->num_channels == 2)
1257 pcfg->i2s_cfg.mono_stereo = AFE_PORT_I2S_STEREO;
1258 else
1259 pcfg->i2s_cfg.mono_stereo = AFE_PORT_I2S_MONO;
1260
1261 break;
1262 case 3:
1263 case 4:
1264 if (pcfg->i2s_cfg.channel_mode < AFE_PORT_I2S_QUAD01) {
1265 dev_err(dev, "Invalid Channel mode\n");
1266 return -EINVAL;
1267 }
1268 break;
1269 case 5:
1270 case 6:
1271 if (pcfg->i2s_cfg.channel_mode < AFE_PORT_I2S_6CHS) {
1272 dev_err(dev, "Invalid Channel mode\n");
1273 return -EINVAL;
1274 }
1275 break;
1276 case 7:
1277 case 8:
1278 if (pcfg->i2s_cfg.channel_mode < AFE_PORT_I2S_8CHS) {
1279 dev_err(dev, "Invalid Channel mode\n");
1280 return -EINVAL;
1281 }
1282 break;
1283 default:
1284 break;
1285 }
1286
1287 return 0;
1288 }
1289 EXPORT_SYMBOL_GPL(q6afe_i2s_port_prepare);
1290
1291
1292
1293
1294
1295
1296
1297
1298 int q6afe_port_start(struct q6afe_port *port)
1299 {
1300 struct afe_port_cmd_device_start *start;
1301 struct q6afe *afe = port->afe;
1302 int port_id = port->id;
1303 int ret, param_id = port->cfg_type;
1304 struct apr_pkt *pkt;
1305 int pkt_size;
1306 void *p;
1307
1308 ret = q6afe_port_set_param_v2(port, &port->port_cfg, param_id,
1309 AFE_MODULE_AUDIO_DEV_INTERFACE,
1310 sizeof(port->port_cfg));
1311 if (ret) {
1312 dev_err(afe->dev, "AFE enable for port 0x%x failed %d\n",
1313 port_id, ret);
1314 return ret;
1315 }
1316
1317 if (port->scfg) {
1318 ret = q6afe_port_set_param_v2(port, port->scfg,
1319 AFE_PARAM_ID_PORT_SLOT_MAPPING_CONFIG,
1320 AFE_MODULE_TDM, sizeof(*port->scfg));
1321 if (ret) {
1322 dev_err(afe->dev, "AFE enable for port 0x%x failed %d\n",
1323 port_id, ret);
1324 return ret;
1325 }
1326 }
1327
1328 pkt_size = APR_HDR_SIZE + sizeof(*start);
1329 p = kzalloc(pkt_size, GFP_KERNEL);
1330 if (!p)
1331 return -ENOMEM;
1332
1333 pkt = p;
1334 start = p + APR_HDR_SIZE;
1335
1336 pkt->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
1337 APR_HDR_LEN(APR_HDR_SIZE),
1338 APR_PKT_VER);
1339 pkt->hdr.pkt_size = pkt_size;
1340 pkt->hdr.src_port = 0;
1341 pkt->hdr.dest_port = 0;
1342 pkt->hdr.token = port->token;
1343 pkt->hdr.opcode = AFE_PORT_CMD_DEVICE_START;
1344
1345 start->port_id = port_id;
1346
1347 ret = afe_apr_send_pkt(afe, pkt, port);
1348 if (ret)
1349 dev_err(afe->dev, "AFE enable for port 0x%x failed %d\n",
1350 port_id, ret);
1351
1352 kfree(pkt);
1353 return ret;
1354 }
1355 EXPORT_SYMBOL_GPL(q6afe_port_start);
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366 struct q6afe_port *q6afe_port_get_from_id(struct device *dev, int id)
1367 {
1368 int port_id;
1369 struct q6afe *afe = dev_get_drvdata(dev->parent);
1370 struct q6afe_port *port;
1371 unsigned long flags;
1372 int cfg_type;
1373
1374 if (id < 0 || id >= AFE_PORT_MAX) {
1375 dev_err(dev, "AFE port token[%d] invalid!\n", id);
1376 return ERR_PTR(-EINVAL);
1377 }
1378
1379
1380 port = q6afe_find_port(afe, id);
1381 if (port) {
1382 dev_err(dev, "AFE Port already open\n");
1383 return port;
1384 }
1385
1386 port_id = port_maps[id].port_id;
1387
1388 switch (port_id) {
1389 case AFE_PORT_ID_MULTICHAN_HDMI_RX:
1390 case AFE_PORT_ID_HDMI_OVER_DP_RX:
1391 cfg_type = AFE_PARAM_ID_HDMI_CONFIG;
1392 break;
1393 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_TX:
1394 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_TX:
1395 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_TX:
1396 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_TX:
1397 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_TX:
1398 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_TX:
1399 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_TX:
1400 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_RX:
1401 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_RX:
1402 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_RX:
1403 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_RX:
1404 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_RX:
1405 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_RX:
1406 case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_RX:
1407 cfg_type = AFE_PARAM_ID_SLIMBUS_CONFIG;
1408 break;
1409
1410 case AFE_PORT_ID_PRIMARY_MI2S_RX:
1411 case AFE_PORT_ID_PRIMARY_MI2S_TX:
1412 case AFE_PORT_ID_SECONDARY_MI2S_RX:
1413 case AFE_PORT_ID_SECONDARY_MI2S_TX:
1414 case AFE_PORT_ID_TERTIARY_MI2S_RX:
1415 case AFE_PORT_ID_TERTIARY_MI2S_TX:
1416 case AFE_PORT_ID_QUATERNARY_MI2S_RX:
1417 case AFE_PORT_ID_QUATERNARY_MI2S_TX:
1418 cfg_type = AFE_PARAM_ID_I2S_CONFIG;
1419 break;
1420 case AFE_PORT_ID_PRIMARY_TDM_RX ... AFE_PORT_ID_QUINARY_TDM_TX_7:
1421 cfg_type = AFE_PARAM_ID_TDM_CONFIG;
1422 break;
1423
1424 default:
1425 dev_err(dev, "Invalid port id 0x%x\n", port_id);
1426 return ERR_PTR(-EINVAL);
1427 }
1428
1429 port = kzalloc(sizeof(*port), GFP_KERNEL);
1430 if (!port)
1431 return ERR_PTR(-ENOMEM);
1432
1433 init_waitqueue_head(&port->wait);
1434
1435 port->token = id;
1436 port->id = port_id;
1437 port->afe = afe;
1438 port->cfg_type = cfg_type;
1439 kref_init(&port->refcount);
1440
1441 spin_lock_irqsave(&afe->port_list_lock, flags);
1442 list_add_tail(&port->node, &afe->port_list);
1443 spin_unlock_irqrestore(&afe->port_list_lock, flags);
1444
1445 return port;
1446
1447 }
1448 EXPORT_SYMBOL_GPL(q6afe_port_get_from_id);
1449
1450
1451
1452
1453
1454
1455 void q6afe_port_put(struct q6afe_port *port)
1456 {
1457 kref_put(&port->refcount, q6afe_port_free);
1458 }
1459 EXPORT_SYMBOL_GPL(q6afe_port_put);
1460
1461 static int q6afe_probe(struct apr_device *adev)
1462 {
1463 struct q6afe *afe;
1464 struct device *dev = &adev->dev;
1465
1466 afe = devm_kzalloc(dev, sizeof(*afe), GFP_KERNEL);
1467 if (!afe)
1468 return -ENOMEM;
1469
1470 q6core_get_svc_api_info(adev->svc_id, &afe->ainfo);
1471 afe->apr = adev;
1472 mutex_init(&afe->lock);
1473 afe->dev = dev;
1474 INIT_LIST_HEAD(&afe->port_list);
1475 spin_lock_init(&afe->port_list_lock);
1476
1477 dev_set_drvdata(dev, afe);
1478
1479 return of_platform_populate(dev->of_node, NULL, NULL, dev);
1480 }
1481
1482 static int q6afe_remove(struct apr_device *adev)
1483 {
1484 of_platform_depopulate(&adev->dev);
1485
1486 return 0;
1487 }
1488
1489 static const struct of_device_id q6afe_device_id[] = {
1490 { .compatible = "qcom,q6afe" },
1491 {},
1492 };
1493 MODULE_DEVICE_TABLE(of, q6afe_device_id);
1494
1495 static struct apr_driver qcom_q6afe_driver = {
1496 .probe = q6afe_probe,
1497 .remove = q6afe_remove,
1498 .callback = q6afe_callback,
1499 .driver = {
1500 .name = "qcom-q6afe",
1501 .of_match_table = of_match_ptr(q6afe_device_id),
1502
1503 },
1504 };
1505
1506 module_apr_driver(qcom_q6afe_driver);
1507 MODULE_DESCRIPTION("Q6 Audio Front End");
1508 MODULE_LICENSE("GPL v2");