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1 | /* |
2 | * Intel SST Haswell/Broadwell IPC Support | |
3 | * | |
4 | * Copyright (C) 2013, Intel Corporation. All rights reserved. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License version | |
8 | * 2 as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | */ | |
16 | ||
17 | #include <linux/types.h> | |
18 | #include <linux/kernel.h> | |
19 | #include <linux/list.h> | |
20 | #include <linux/device.h> | |
21 | #include <linux/wait.h> | |
22 | #include <linux/spinlock.h> | |
23 | #include <linux/workqueue.h> | |
24 | #include <linux/export.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/delay.h> | |
27 | #include <linux/sched.h> | |
28 | #include <linux/list.h> | |
29 | #include <linux/platform_device.h> | |
30 | #include <linux/kthread.h> | |
31 | #include <linux/firmware.h> | |
32 | #include <linux/dma-mapping.h> | |
33 | #include <linux/debugfs.h> | |
34 | ||
35 | #include "sst-haswell-ipc.h" | |
36 | #include "sst-dsp.h" | |
37 | #include "sst-dsp-priv.h" | |
38 | ||
39 | /* Global Message - Generic */ | |
40 | #define IPC_GLB_TYPE_SHIFT 24 | |
41 | #define IPC_GLB_TYPE_MASK (0x1f << IPC_GLB_TYPE_SHIFT) | |
42 | #define IPC_GLB_TYPE(x) (x << IPC_GLB_TYPE_SHIFT) | |
43 | ||
44 | /* Global Message - Reply */ | |
45 | #define IPC_GLB_REPLY_SHIFT 0 | |
46 | #define IPC_GLB_REPLY_MASK (0x1f << IPC_GLB_REPLY_SHIFT) | |
47 | #define IPC_GLB_REPLY_TYPE(x) (x << IPC_GLB_REPLY_TYPE_SHIFT) | |
48 | ||
49 | /* Stream Message - Generic */ | |
50 | #define IPC_STR_TYPE_SHIFT 20 | |
51 | #define IPC_STR_TYPE_MASK (0xf << IPC_STR_TYPE_SHIFT) | |
52 | #define IPC_STR_TYPE(x) (x << IPC_STR_TYPE_SHIFT) | |
53 | #define IPC_STR_ID_SHIFT 16 | |
54 | #define IPC_STR_ID_MASK (0xf << IPC_STR_ID_SHIFT) | |
55 | #define IPC_STR_ID(x) (x << IPC_STR_ID_SHIFT) | |
56 | ||
57 | /* Stream Message - Reply */ | |
58 | #define IPC_STR_REPLY_SHIFT 0 | |
59 | #define IPC_STR_REPLY_MASK (0x1f << IPC_STR_REPLY_SHIFT) | |
60 | ||
61 | /* Stream Stage Message - Generic */ | |
62 | #define IPC_STG_TYPE_SHIFT 12 | |
63 | #define IPC_STG_TYPE_MASK (0xf << IPC_STG_TYPE_SHIFT) | |
64 | #define IPC_STG_TYPE(x) (x << IPC_STG_TYPE_SHIFT) | |
65 | #define IPC_STG_ID_SHIFT 10 | |
66 | #define IPC_STG_ID_MASK (0x3 << IPC_STG_ID_SHIFT) | |
67 | #define IPC_STG_ID(x) (x << IPC_STG_ID_SHIFT) | |
68 | ||
69 | /* Stream Stage Message - Reply */ | |
70 | #define IPC_STG_REPLY_SHIFT 0 | |
71 | #define IPC_STG_REPLY_MASK (0x1f << IPC_STG_REPLY_SHIFT) | |
72 | ||
73 | /* Debug Log Message - Generic */ | |
74 | #define IPC_LOG_OP_SHIFT 20 | |
75 | #define IPC_LOG_OP_MASK (0xf << IPC_LOG_OP_SHIFT) | |
76 | #define IPC_LOG_OP_TYPE(x) (x << IPC_LOG_OP_SHIFT) | |
77 | #define IPC_LOG_ID_SHIFT 16 | |
78 | #define IPC_LOG_ID_MASK (0xf << IPC_LOG_ID_SHIFT) | |
79 | #define IPC_LOG_ID(x) (x << IPC_LOG_ID_SHIFT) | |
80 | ||
81 | /* IPC message timeout (msecs) */ | |
82 | #define IPC_TIMEOUT_MSECS 300 | |
83 | #define IPC_BOOT_MSECS 200 | |
84 | #define IPC_MSG_WAIT 0 | |
85 | #define IPC_MSG_NOWAIT 1 | |
86 | ||
87 | /* Firmware Ready Message */ | |
88 | #define IPC_FW_READY (0x1 << 29) | |
89 | #define IPC_STATUS_MASK (0x3 << 30) | |
90 | ||
91 | #define IPC_EMPTY_LIST_SIZE 8 | |
92 | #define IPC_MAX_STREAMS 4 | |
93 | ||
94 | /* Mailbox */ | |
95 | #define IPC_MAX_MAILBOX_BYTES 256 | |
96 | ||
97 | /* Global Message - Types and Replies */ | |
98 | enum ipc_glb_type { | |
99 | IPC_GLB_GET_FW_VERSION = 0, /* Retrieves firmware version */ | |
100 | IPC_GLB_PERFORMANCE_MONITOR = 1, /* Performance monitoring actions */ | |
101 | IPC_GLB_ALLOCATE_STREAM = 3, /* Request to allocate new stream */ | |
102 | IPC_GLB_FREE_STREAM = 4, /* Request to free stream */ | |
103 | IPC_GLB_GET_FW_CAPABILITIES = 5, /* Retrieves firmware capabilities */ | |
104 | IPC_GLB_STREAM_MESSAGE = 6, /* Message directed to stream or its stages */ | |
105 | /* Request to store firmware context during D0->D3 transition */ | |
106 | IPC_GLB_REQUEST_DUMP = 7, | |
107 | /* Request to restore firmware context during D3->D0 transition */ | |
108 | IPC_GLB_RESTORE_CONTEXT = 8, | |
109 | IPC_GLB_GET_DEVICE_FORMATS = 9, /* Set device format */ | |
110 | IPC_GLB_SET_DEVICE_FORMATS = 10, /* Get device format */ | |
111 | IPC_GLB_SHORT_REPLY = 11, | |
112 | IPC_GLB_ENTER_DX_STATE = 12, | |
113 | IPC_GLB_GET_MIXER_STREAM_INFO = 13, /* Request mixer stream params */ | |
114 | IPC_GLB_DEBUG_LOG_MESSAGE = 14, /* Message to or from the debug logger. */ | |
115 | IPC_GLB_REQUEST_TRANSFER = 16, /* < Request Transfer for host */ | |
116 | IPC_GLB_MAX_IPC_MESSAGE_TYPE = 17, /* Maximum message number */ | |
117 | }; | |
118 | ||
119 | enum ipc_glb_reply { | |
120 | IPC_GLB_REPLY_SUCCESS = 0, /* The operation was successful. */ | |
121 | IPC_GLB_REPLY_ERROR_INVALID_PARAM = 1, /* Invalid parameter was passed. */ | |
122 | IPC_GLB_REPLY_UNKNOWN_MESSAGE_TYPE = 2, /* Uknown message type was resceived. */ | |
123 | IPC_GLB_REPLY_OUT_OF_RESOURCES = 3, /* No resources to satisfy the request. */ | |
124 | IPC_GLB_REPLY_BUSY = 4, /* The system or resource is busy. */ | |
125 | IPC_GLB_REPLY_PENDING = 5, /* The action was scheduled for processing. */ | |
126 | IPC_GLB_REPLY_FAILURE = 6, /* Critical error happened. */ | |
127 | IPC_GLB_REPLY_INVALID_REQUEST = 7, /* Request can not be completed. */ | |
128 | IPC_GLB_REPLY_STAGE_UNINITIALIZED = 8, /* Processing stage was uninitialized. */ | |
129 | IPC_GLB_REPLY_NOT_FOUND = 9, /* Required resource can not be found. */ | |
130 | IPC_GLB_REPLY_SOURCE_NOT_STARTED = 10, /* Source was not started. */ | |
131 | }; | |
132 | ||
133 | /* Stream Message - Types */ | |
134 | enum ipc_str_operation { | |
135 | IPC_STR_RESET = 0, | |
136 | IPC_STR_PAUSE = 1, | |
137 | IPC_STR_RESUME = 2, | |
138 | IPC_STR_STAGE_MESSAGE = 3, | |
139 | IPC_STR_NOTIFICATION = 4, | |
140 | IPC_STR_MAX_MESSAGE | |
141 | }; | |
142 | ||
143 | /* Stream Stage Message Types */ | |
144 | enum ipc_stg_operation { | |
145 | IPC_STG_GET_VOLUME = 0, | |
146 | IPC_STG_SET_VOLUME, | |
147 | IPC_STG_SET_WRITE_POSITION, | |
148 | IPC_STG_SET_FX_ENABLE, | |
149 | IPC_STG_SET_FX_DISABLE, | |
150 | IPC_STG_SET_FX_GET_PARAM, | |
151 | IPC_STG_SET_FX_SET_PARAM, | |
152 | IPC_STG_SET_FX_GET_INFO, | |
153 | IPC_STG_MUTE_LOOPBACK, | |
154 | IPC_STG_MAX_MESSAGE | |
155 | }; | |
156 | ||
157 | /* Stream Stage Message Types For Notification*/ | |
158 | enum ipc_stg_operation_notify { | |
159 | IPC_POSITION_CHANGED = 0, | |
160 | IPC_STG_GLITCH, | |
161 | IPC_STG_MAX_NOTIFY | |
162 | }; | |
163 | ||
164 | enum ipc_glitch_type { | |
165 | IPC_GLITCH_UNDERRUN = 1, | |
166 | IPC_GLITCH_DECODER_ERROR, | |
167 | IPC_GLITCH_DOUBLED_WRITE_POS, | |
168 | IPC_GLITCH_MAX | |
169 | }; | |
170 | ||
171 | /* Debug Control */ | |
172 | enum ipc_debug_operation { | |
173 | IPC_DEBUG_ENABLE_LOG = 0, | |
174 | IPC_DEBUG_DISABLE_LOG = 1, | |
175 | IPC_DEBUG_REQUEST_LOG_DUMP = 2, | |
176 | IPC_DEBUG_NOTIFY_LOG_DUMP = 3, | |
177 | IPC_DEBUG_MAX_DEBUG_LOG | |
178 | }; | |
179 | ||
180 | /* Firmware Ready */ | |
181 | struct sst_hsw_ipc_fw_ready { | |
182 | u32 inbox_offset; | |
183 | u32 outbox_offset; | |
184 | u32 inbox_size; | |
185 | u32 outbox_size; | |
186 | u32 fw_info_size; | |
187 | u8 fw_info[1]; | |
188 | } __attribute__((packed)); | |
189 | ||
190 | struct ipc_message { | |
191 | struct list_head list; | |
192 | u32 header; | |
193 | ||
194 | /* direction wrt host CPU */ | |
195 | char tx_data[IPC_MAX_MAILBOX_BYTES]; | |
196 | size_t tx_size; | |
197 | char rx_data[IPC_MAX_MAILBOX_BYTES]; | |
198 | size_t rx_size; | |
199 | ||
200 | wait_queue_head_t waitq; | |
201 | bool pending; | |
202 | bool complete; | |
203 | bool wait; | |
204 | int errno; | |
205 | }; | |
206 | ||
207 | struct sst_hsw_stream; | |
208 | struct sst_hsw; | |
209 | ||
210 | /* Stream infomation */ | |
211 | struct sst_hsw_stream { | |
212 | /* configuration */ | |
213 | struct sst_hsw_ipc_stream_alloc_req request; | |
214 | struct sst_hsw_ipc_stream_alloc_reply reply; | |
215 | struct sst_hsw_ipc_stream_free_req free_req; | |
216 | ||
217 | /* Mixer info */ | |
218 | u32 mute_volume[SST_HSW_NO_CHANNELS]; | |
219 | u32 mute[SST_HSW_NO_CHANNELS]; | |
220 | ||
221 | /* runtime info */ | |
222 | struct sst_hsw *hsw; | |
223 | int host_id; | |
224 | bool commited; | |
225 | bool running; | |
226 | ||
227 | /* Notification work */ | |
228 | struct work_struct notify_work; | |
229 | u32 header; | |
230 | ||
231 | /* Position info from DSP */ | |
232 | struct sst_hsw_ipc_stream_set_position wpos; | |
233 | struct sst_hsw_ipc_stream_get_position rpos; | |
234 | struct sst_hsw_ipc_stream_glitch_position glitch; | |
235 | ||
236 | /* Volume info */ | |
237 | struct sst_hsw_ipc_volume_req vol_req; | |
238 | ||
239 | /* driver callback */ | |
240 | u32 (*notify_position)(struct sst_hsw_stream *stream, void *data); | |
241 | void *pdata; | |
242 | ||
243 | struct list_head node; | |
244 | }; | |
245 | ||
246 | /* FW log ring information */ | |
247 | struct sst_hsw_log_stream { | |
248 | dma_addr_t dma_addr; | |
249 | unsigned char *dma_area; | |
250 | unsigned char *ring_descr; | |
251 | int pages; | |
252 | int size; | |
253 | ||
254 | /* Notification work */ | |
255 | struct work_struct notify_work; | |
256 | wait_queue_head_t readers_wait_q; | |
257 | struct mutex rw_mutex; | |
258 | ||
259 | u32 last_pos; | |
260 | u32 curr_pos; | |
261 | u32 reader_pos; | |
262 | ||
263 | /* fw log config */ | |
264 | u32 config[SST_HSW_FW_LOG_CONFIG_DWORDS]; | |
265 | ||
266 | struct sst_hsw *hsw; | |
267 | }; | |
268 | ||
269 | /* SST Haswell IPC data */ | |
270 | struct sst_hsw { | |
271 | struct device *dev; | |
272 | struct sst_dsp *dsp; | |
273 | struct platform_device *pdev_pcm; | |
274 | ||
275 | /* FW config */ | |
276 | struct sst_hsw_ipc_fw_ready fw_ready; | |
277 | struct sst_hsw_ipc_fw_version version; | |
278 | struct sst_module *scratch; | |
279 | bool fw_done; | |
280 | ||
281 | /* stream */ | |
282 | struct list_head stream_list; | |
283 | ||
284 | /* global mixer */ | |
285 | struct sst_hsw_ipc_stream_info_reply mixer_info; | |
286 | enum sst_hsw_volume_curve curve_type; | |
287 | u32 curve_duration; | |
288 | u32 mute[SST_HSW_NO_CHANNELS]; | |
289 | u32 mute_volume[SST_HSW_NO_CHANNELS]; | |
290 | ||
291 | /* DX */ | |
292 | struct sst_hsw_ipc_dx_reply dx; | |
293 | ||
294 | /* boot */ | |
295 | wait_queue_head_t boot_wait; | |
296 | bool boot_complete; | |
297 | bool shutdown; | |
298 | ||
299 | /* IPC messaging */ | |
300 | struct list_head tx_list; | |
301 | struct list_head rx_list; | |
302 | struct list_head empty_list; | |
303 | wait_queue_head_t wait_txq; | |
304 | struct task_struct *tx_thread; | |
305 | struct kthread_worker kworker; | |
306 | struct kthread_work kwork; | |
307 | bool pending; | |
308 | struct ipc_message *msg; | |
309 | ||
310 | /* FW log stream */ | |
311 | struct sst_hsw_log_stream log_stream; | |
312 | }; | |
313 | ||
314 | #define CREATE_TRACE_POINTS | |
315 | #include <trace/events/hswadsp.h> | |
316 | ||
317 | static inline u32 msg_get_global_type(u32 msg) | |
318 | { | |
319 | return (msg & IPC_GLB_TYPE_MASK) >> IPC_GLB_TYPE_SHIFT; | |
320 | } | |
321 | ||
322 | static inline u32 msg_get_global_reply(u32 msg) | |
323 | { | |
324 | return (msg & IPC_GLB_REPLY_MASK) >> IPC_GLB_REPLY_SHIFT; | |
325 | } | |
326 | ||
327 | static inline u32 msg_get_stream_type(u32 msg) | |
328 | { | |
329 | return (msg & IPC_STR_TYPE_MASK) >> IPC_STR_TYPE_SHIFT; | |
330 | } | |
331 | ||
332 | static inline u32 msg_get_stage_type(u32 msg) | |
333 | { | |
334 | return (msg & IPC_STG_TYPE_MASK) >> IPC_STG_TYPE_SHIFT; | |
335 | } | |
336 | ||
337 | static inline u32 msg_set_stage_type(u32 msg, u32 type) | |
338 | { | |
339 | return (msg & ~IPC_STG_TYPE_MASK) + | |
340 | (type << IPC_STG_TYPE_SHIFT); | |
341 | } | |
342 | ||
343 | static inline u32 msg_get_stream_id(u32 msg) | |
344 | { | |
345 | return (msg & IPC_STR_ID_MASK) >> IPC_STR_ID_SHIFT; | |
346 | } | |
347 | ||
348 | static inline u32 msg_get_notify_reason(u32 msg) | |
349 | { | |
350 | return (msg & IPC_STG_TYPE_MASK) >> IPC_STG_TYPE_SHIFT; | |
351 | } | |
352 | ||
353 | u32 create_channel_map(enum sst_hsw_channel_config config) | |
354 | { | |
355 | switch (config) { | |
356 | case SST_HSW_CHANNEL_CONFIG_MONO: | |
357 | return (0xFFFFFFF0 | SST_HSW_CHANNEL_CENTER); | |
358 | case SST_HSW_CHANNEL_CONFIG_STEREO: | |
359 | return (0xFFFFFF00 | SST_HSW_CHANNEL_LEFT | |
360 | | (SST_HSW_CHANNEL_RIGHT << 4)); | |
361 | case SST_HSW_CHANNEL_CONFIG_2_POINT_1: | |
362 | return (0xFFFFF000 | SST_HSW_CHANNEL_LEFT | |
363 | | (SST_HSW_CHANNEL_RIGHT << 4) | |
364 | | (SST_HSW_CHANNEL_LFE << 8 )); | |
365 | case SST_HSW_CHANNEL_CONFIG_3_POINT_0: | |
366 | return (0xFFFFF000 | SST_HSW_CHANNEL_LEFT | |
367 | | (SST_HSW_CHANNEL_CENTER << 4) | |
368 | | (SST_HSW_CHANNEL_RIGHT << 8)); | |
369 | case SST_HSW_CHANNEL_CONFIG_3_POINT_1: | |
370 | return (0xFFFF0000 | SST_HSW_CHANNEL_LEFT | |
371 | | (SST_HSW_CHANNEL_CENTER << 4) | |
372 | | (SST_HSW_CHANNEL_RIGHT << 8) | |
373 | | (SST_HSW_CHANNEL_LFE << 12)); | |
374 | case SST_HSW_CHANNEL_CONFIG_QUATRO: | |
375 | return (0xFFFF0000 | SST_HSW_CHANNEL_LEFT | |
376 | | (SST_HSW_CHANNEL_RIGHT << 4) | |
377 | | (SST_HSW_CHANNEL_LEFT_SURROUND << 8) | |
378 | | (SST_HSW_CHANNEL_RIGHT_SURROUND << 12)); | |
379 | case SST_HSW_CHANNEL_CONFIG_4_POINT_0: | |
380 | return (0xFFFF0000 | SST_HSW_CHANNEL_LEFT | |
381 | | (SST_HSW_CHANNEL_CENTER << 4) | |
382 | | (SST_HSW_CHANNEL_RIGHT << 8) | |
383 | | (SST_HSW_CHANNEL_CENTER_SURROUND << 12)); | |
384 | case SST_HSW_CHANNEL_CONFIG_5_POINT_0: | |
385 | return (0xFFF00000 | SST_HSW_CHANNEL_LEFT | |
386 | | (SST_HSW_CHANNEL_CENTER << 4) | |
387 | | (SST_HSW_CHANNEL_RIGHT << 8) | |
388 | | (SST_HSW_CHANNEL_LEFT_SURROUND << 12) | |
389 | | (SST_HSW_CHANNEL_RIGHT_SURROUND << 16)); | |
390 | case SST_HSW_CHANNEL_CONFIG_5_POINT_1: | |
391 | return (0xFF000000 | SST_HSW_CHANNEL_CENTER | |
392 | | (SST_HSW_CHANNEL_LEFT << 4) | |
393 | | (SST_HSW_CHANNEL_RIGHT << 8) | |
394 | | (SST_HSW_CHANNEL_LEFT_SURROUND << 12) | |
395 | | (SST_HSW_CHANNEL_RIGHT_SURROUND << 16) | |
396 | | (SST_HSW_CHANNEL_LFE << 20)); | |
397 | case SST_HSW_CHANNEL_CONFIG_DUAL_MONO: | |
398 | return (0xFFFFFF00 | SST_HSW_CHANNEL_LEFT | |
399 | | (SST_HSW_CHANNEL_LEFT << 4)); | |
400 | default: | |
401 | return 0xFFFFFFFF; | |
402 | } | |
403 | } | |
404 | ||
405 | static struct sst_hsw_stream *get_stream_by_id(struct sst_hsw *hsw, | |
406 | int stream_id) | |
407 | { | |
408 | struct sst_hsw_stream *stream; | |
409 | ||
410 | list_for_each_entry(stream, &hsw->stream_list, node) { | |
411 | if (stream->reply.stream_hw_id == stream_id) | |
412 | return stream; | |
413 | } | |
414 | ||
415 | return NULL; | |
416 | } | |
417 | ||
418 | static void ipc_shim_dbg(struct sst_hsw *hsw, const char *text) | |
419 | { | |
420 | struct sst_dsp *sst = hsw->dsp; | |
421 | u32 isr, ipcd, imrx, ipcx; | |
422 | ||
423 | ipcx = sst_dsp_shim_read_unlocked(sst, SST_IPCX); | |
424 | isr = sst_dsp_shim_read_unlocked(sst, SST_ISRX); | |
425 | ipcd = sst_dsp_shim_read_unlocked(sst, SST_IPCD); | |
426 | imrx = sst_dsp_shim_read_unlocked(sst, SST_IMRX); | |
427 | ||
428 | dev_err(hsw->dev, "ipc: --%s-- ipcx 0x%8.8x isr 0x%8.8x ipcd 0x%8.8x imrx 0x%8.8x\n", | |
429 | text, ipcx, isr, ipcd, imrx); | |
430 | } | |
431 | ||
432 | /* locks held by caller */ | |
433 | static struct ipc_message *msg_get_empty(struct sst_hsw *hsw) | |
434 | { | |
435 | struct ipc_message *msg = NULL; | |
436 | ||
437 | if (!list_empty(&hsw->empty_list)) { | |
438 | msg = list_first_entry(&hsw->empty_list, struct ipc_message, | |
439 | list); | |
440 | list_del(&msg->list); | |
441 | } | |
442 | ||
443 | return msg; | |
444 | } | |
445 | ||
446 | static void ipc_tx_msgs(struct kthread_work *work) | |
447 | { | |
448 | struct sst_hsw *hsw = | |
449 | container_of(work, struct sst_hsw, kwork); | |
450 | struct ipc_message *msg; | |
451 | unsigned long flags; | |
452 | u32 ipcx; | |
453 | ||
454 | spin_lock_irqsave(&hsw->dsp->spinlock, flags); | |
455 | ||
456 | if (list_empty(&hsw->tx_list) || hsw->pending) { | |
457 | spin_unlock_irqrestore(&hsw->dsp->spinlock, flags); | |
458 | return; | |
459 | } | |
460 | ||
461 | /* if the DSP is busy we will TX messages after IRQ */ | |
462 | ipcx = sst_dsp_shim_read_unlocked(hsw->dsp, SST_IPCX); | |
463 | if (ipcx & SST_IPCX_BUSY) { | |
464 | spin_unlock_irqrestore(&hsw->dsp->spinlock, flags); | |
465 | return; | |
466 | } | |
467 | ||
468 | msg = list_first_entry(&hsw->tx_list, struct ipc_message, list); | |
469 | ||
470 | list_move(&msg->list, &hsw->rx_list); | |
471 | ||
472 | /* send the message */ | |
473 | sst_dsp_outbox_write(hsw->dsp, msg->tx_data, msg->tx_size); | |
474 | sst_dsp_ipc_msg_tx(hsw->dsp, msg->header | SST_IPCX_BUSY); | |
475 | ||
476 | spin_unlock_irqrestore(&hsw->dsp->spinlock, flags); | |
477 | } | |
478 | ||
479 | /* locks held by caller */ | |
480 | static void tx_msg_reply_complete(struct sst_hsw *hsw, struct ipc_message *msg) | |
481 | { | |
482 | msg->complete = true; | |
483 | trace_ipc_reply("completed", msg->header); | |
484 | ||
485 | if (!msg->wait) | |
486 | list_add_tail(&msg->list, &hsw->empty_list); | |
487 | else | |
488 | wake_up(&msg->waitq); | |
489 | } | |
490 | ||
491 | static int tx_wait_done(struct sst_hsw *hsw, struct ipc_message *msg, | |
492 | void *rx_data) | |
493 | { | |
494 | unsigned long flags; | |
495 | int ret; | |
496 | ||
497 | /* wait for DSP completion (in all cases atm inc pending) */ | |
498 | ret = wait_event_timeout(msg->waitq, msg->complete, | |
499 | msecs_to_jiffies(IPC_TIMEOUT_MSECS)); | |
500 | ||
501 | spin_lock_irqsave(&hsw->dsp->spinlock, flags); | |
502 | if (ret == 0) { | |
503 | ipc_shim_dbg(hsw, "message timeout"); | |
504 | ||
505 | trace_ipc_error("error message timeout for", msg->header); | |
506 | ret = -ETIMEDOUT; | |
507 | } else { | |
508 | ||
509 | /* copy the data returned from DSP */ | |
510 | if (msg->rx_size) | |
511 | memcpy(rx_data, msg->rx_data, msg->rx_size); | |
512 | ret = msg->errno; | |
513 | } | |
514 | ||
515 | list_add_tail(&msg->list, &hsw->empty_list); | |
516 | spin_unlock_irqrestore(&hsw->dsp->spinlock, flags); | |
517 | return ret; | |
518 | } | |
519 | ||
520 | static int ipc_tx_message(struct sst_hsw *hsw, u32 header, void *tx_data, | |
521 | size_t tx_bytes, void *rx_data, size_t rx_bytes, int wait) | |
522 | { | |
523 | struct ipc_message *msg; | |
524 | unsigned long flags; | |
525 | ||
526 | spin_lock_irqsave(&hsw->dsp->spinlock, flags); | |
527 | ||
528 | msg = msg_get_empty(hsw); | |
529 | if (msg == NULL) { | |
530 | spin_unlock_irqrestore(&hsw->dsp->spinlock, flags); | |
531 | return -EBUSY; | |
532 | } | |
533 | ||
534 | if (tx_bytes) | |
535 | memcpy(msg->tx_data, tx_data, tx_bytes); | |
536 | ||
537 | msg->header = header; | |
538 | msg->tx_size = tx_bytes; | |
539 | msg->rx_size = rx_bytes; | |
540 | msg->wait = wait; | |
541 | msg->errno = 0; | |
542 | msg->pending = false; | |
543 | msg->complete = false; | |
544 | ||
545 | list_add_tail(&msg->list, &hsw->tx_list); | |
546 | spin_unlock_irqrestore(&hsw->dsp->spinlock, flags); | |
547 | ||
548 | queue_kthread_work(&hsw->kworker, &hsw->kwork); | |
549 | ||
550 | if (wait) | |
551 | return tx_wait_done(hsw, msg, rx_data); | |
552 | else | |
553 | return 0; | |
554 | } | |
555 | ||
556 | static inline int ipc_tx_message_wait(struct sst_hsw *hsw, u32 header, | |
557 | void *tx_data, size_t tx_bytes, void *rx_data, size_t rx_bytes) | |
558 | { | |
559 | return ipc_tx_message(hsw, header, tx_data, tx_bytes, rx_data, | |
560 | rx_bytes, 1); | |
561 | } | |
562 | ||
563 | static inline int ipc_tx_message_nowait(struct sst_hsw *hsw, u32 header, | |
564 | void *tx_data, size_t tx_bytes) | |
565 | { | |
566 | return ipc_tx_message(hsw, header, tx_data, tx_bytes, NULL, 0, 0); | |
567 | } | |
568 | ||
569 | static void hsw_fw_ready(struct sst_hsw *hsw, u32 header) | |
570 | { | |
571 | struct sst_hsw_ipc_fw_ready fw_ready; | |
572 | u32 offset; | |
573 | ||
574 | offset = (header & 0x1FFFFFFF) << 3; | |
575 | ||
576 | dev_dbg(hsw->dev, "ipc: DSP is ready 0x%8.8x offset %d\n", | |
577 | header, offset); | |
578 | ||
579 | /* copy data from the DSP FW ready offset */ | |
580 | sst_dsp_read(hsw->dsp, &fw_ready, offset, sizeof(fw_ready)); | |
581 | ||
582 | sst_dsp_mailbox_init(hsw->dsp, fw_ready.inbox_offset, | |
583 | fw_ready.inbox_size, fw_ready.outbox_offset, | |
584 | fw_ready.outbox_size); | |
585 | ||
586 | hsw->boot_complete = true; | |
587 | wake_up(&hsw->boot_wait); | |
588 | ||
589 | dev_dbg(hsw->dev, " mailbox upstream 0x%x - size 0x%x\n", | |
590 | fw_ready.inbox_offset, fw_ready.inbox_size); | |
591 | dev_dbg(hsw->dev, " mailbox downstream 0x%x - size 0x%x\n", | |
592 | fw_ready.outbox_offset, fw_ready.outbox_size); | |
593 | } | |
594 | ||
595 | static void hsw_notification_work(struct work_struct *work) | |
596 | { | |
597 | struct sst_hsw_stream *stream = container_of(work, | |
598 | struct sst_hsw_stream, notify_work); | |
599 | struct sst_hsw_ipc_stream_glitch_position *glitch = &stream->glitch; | |
600 | struct sst_hsw_ipc_stream_get_position *pos = &stream->rpos; | |
601 | struct sst_hsw *hsw = stream->hsw; | |
602 | u32 reason; | |
603 | ||
604 | reason = msg_get_notify_reason(stream->header); | |
605 | ||
606 | switch (reason) { | |
607 | case IPC_STG_GLITCH: | |
608 | trace_ipc_notification("DSP stream under/overrun", | |
609 | stream->reply.stream_hw_id); | |
610 | sst_dsp_inbox_read(hsw->dsp, glitch, sizeof(*glitch)); | |
611 | ||
612 | dev_err(hsw->dev, "glitch %d pos 0x%x write pos 0x%x\n", | |
613 | glitch->glitch_type, glitch->present_pos, | |
614 | glitch->write_pos); | |
615 | break; | |
616 | ||
617 | case IPC_POSITION_CHANGED: | |
618 | trace_ipc_notification("DSP stream position changed for", | |
619 | stream->reply.stream_hw_id); | |
620 | sst_dsp_inbox_read(hsw->dsp, pos, sizeof(pos)); | |
621 | ||
622 | if (stream->notify_position) | |
623 | stream->notify_position(stream, stream->pdata); | |
624 | ||
625 | break; | |
626 | default: | |
627 | dev_err(hsw->dev, "error: unknown notification 0x%x\n", | |
628 | stream->header); | |
629 | break; | |
630 | } | |
631 | ||
632 | /* tell DSP that notification has been handled */ | |
633 | sst_dsp_shim_update_bits_unlocked(hsw->dsp, SST_IPCD, | |
634 | SST_IPCD_BUSY | SST_IPCD_DONE, SST_IPCD_DONE); | |
635 | ||
636 | /* unmask busy interrupt */ | |
637 | sst_dsp_shim_update_bits_unlocked(hsw->dsp, SST_IMRX, SST_IMRX_BUSY, 0); | |
638 | } | |
639 | ||
640 | static struct ipc_message *reply_find_msg(struct sst_hsw *hsw, u32 header) | |
641 | { | |
642 | struct ipc_message *msg; | |
643 | ||
644 | /* clear reply bits & status bits */ | |
645 | header &= ~(IPC_STATUS_MASK | IPC_GLB_REPLY_MASK); | |
646 | ||
647 | if (list_empty(&hsw->rx_list)) { | |
648 | dev_err(hsw->dev, "error: rx list empty but received 0x%x\n", | |
649 | header); | |
650 | return NULL; | |
651 | } | |
652 | ||
653 | list_for_each_entry(msg, &hsw->rx_list, list) { | |
654 | if (msg->header == header) | |
655 | return msg; | |
656 | } | |
657 | ||
658 | return NULL; | |
659 | } | |
660 | ||
661 | static void hsw_stream_update(struct sst_hsw *hsw, struct ipc_message *msg) | |
662 | { | |
663 | struct sst_hsw_stream *stream; | |
664 | u32 header = msg->header & ~(IPC_STATUS_MASK | IPC_GLB_REPLY_MASK); | |
665 | u32 stream_id = msg_get_stream_id(header); | |
666 | u32 stream_msg = msg_get_stream_type(header); | |
667 | ||
668 | stream = get_stream_by_id(hsw, stream_id); | |
669 | if (stream == NULL) | |
670 | return; | |
671 | ||
672 | switch (stream_msg) { | |
673 | case IPC_STR_STAGE_MESSAGE: | |
674 | case IPC_STR_NOTIFICATION: | |
675 | case IPC_STR_RESET: | |
676 | break; | |
677 | case IPC_STR_PAUSE: | |
678 | stream->running = false; | |
679 | trace_ipc_notification("stream paused", | |
680 | stream->reply.stream_hw_id); | |
681 | break; | |
682 | case IPC_STR_RESUME: | |
683 | stream->running = true; | |
684 | trace_ipc_notification("stream running", | |
685 | stream->reply.stream_hw_id); | |
686 | break; | |
687 | } | |
688 | } | |
689 | ||
690 | static int hsw_process_reply(struct sst_hsw *hsw, u32 header) | |
691 | { | |
692 | struct ipc_message *msg; | |
693 | u32 reply = msg_get_global_reply(header); | |
694 | ||
695 | trace_ipc_reply("processing -->", header); | |
696 | ||
697 | msg = reply_find_msg(hsw, header); | |
698 | if (msg == NULL) { | |
699 | trace_ipc_error("error: can't find message header", header); | |
700 | return -EIO; | |
701 | } | |
702 | ||
703 | /* first process the header */ | |
704 | switch (reply) { | |
705 | case IPC_GLB_REPLY_PENDING: | |
706 | trace_ipc_pending_reply("received", header); | |
707 | msg->pending = true; | |
708 | hsw->pending = true; | |
709 | return 1; | |
710 | case IPC_GLB_REPLY_SUCCESS: | |
711 | if (msg->pending) { | |
712 | trace_ipc_pending_reply("completed", header); | |
713 | sst_dsp_inbox_read(hsw->dsp, msg->rx_data, | |
714 | msg->rx_size); | |
715 | hsw->pending = false; | |
716 | } else { | |
717 | /* copy data from the DSP */ | |
718 | sst_dsp_outbox_read(hsw->dsp, msg->rx_data, | |
719 | msg->rx_size); | |
720 | } | |
721 | break; | |
722 | /* these will be rare - but useful for debug */ | |
723 | case IPC_GLB_REPLY_UNKNOWN_MESSAGE_TYPE: | |
724 | trace_ipc_error("error: unknown message type", header); | |
725 | msg->errno = -EBADMSG; | |
726 | break; | |
727 | case IPC_GLB_REPLY_OUT_OF_RESOURCES: | |
728 | trace_ipc_error("error: out of resources", header); | |
729 | msg->errno = -ENOMEM; | |
730 | break; | |
731 | case IPC_GLB_REPLY_BUSY: | |
732 | trace_ipc_error("error: reply busy", header); | |
733 | msg->errno = -EBUSY; | |
734 | break; | |
735 | case IPC_GLB_REPLY_FAILURE: | |
736 | trace_ipc_error("error: reply failure", header); | |
737 | msg->errno = -EINVAL; | |
738 | break; | |
739 | case IPC_GLB_REPLY_STAGE_UNINITIALIZED: | |
740 | trace_ipc_error("error: stage uninitialized", header); | |
741 | msg->errno = -EINVAL; | |
742 | break; | |
743 | case IPC_GLB_REPLY_NOT_FOUND: | |
744 | trace_ipc_error("error: reply not found", header); | |
745 | msg->errno = -EINVAL; | |
746 | break; | |
747 | case IPC_GLB_REPLY_SOURCE_NOT_STARTED: | |
748 | trace_ipc_error("error: source not started", header); | |
749 | msg->errno = -EINVAL; | |
750 | break; | |
751 | case IPC_GLB_REPLY_INVALID_REQUEST: | |
752 | trace_ipc_error("error: invalid request", header); | |
753 | msg->errno = -EINVAL; | |
754 | break; | |
755 | case IPC_GLB_REPLY_ERROR_INVALID_PARAM: | |
756 | trace_ipc_error("error: invalid parameter", header); | |
757 | msg->errno = -EINVAL; | |
758 | break; | |
759 | default: | |
760 | trace_ipc_error("error: unknown reply", header); | |
761 | msg->errno = -EINVAL; | |
762 | break; | |
763 | } | |
764 | ||
765 | /* update any stream states */ | |
766 | hsw_stream_update(hsw, msg); | |
767 | ||
768 | /* wake up and return the error if we have waiters on this message ? */ | |
769 | list_del(&msg->list); | |
770 | tx_msg_reply_complete(hsw, msg); | |
771 | ||
772 | return 1; | |
773 | } | |
774 | ||
775 | static int hsw_stream_message(struct sst_hsw *hsw, u32 header) | |
776 | { | |
777 | u32 stream_msg, stream_id, stage_type; | |
778 | struct sst_hsw_stream *stream; | |
779 | int handled = 0; | |
780 | ||
781 | stream_msg = msg_get_stream_type(header); | |
782 | stream_id = msg_get_stream_id(header); | |
783 | stage_type = msg_get_stage_type(header); | |
784 | ||
785 | stream = get_stream_by_id(hsw, stream_id); | |
786 | if (stream == NULL) | |
787 | return handled; | |
788 | ||
789 | stream->header = header; | |
790 | ||
791 | switch (stream_msg) { | |
792 | case IPC_STR_STAGE_MESSAGE: | |
793 | dev_err(hsw->dev, "error: stage msg not implemented 0x%8.8x\n", | |
794 | header); | |
795 | break; | |
796 | case IPC_STR_NOTIFICATION: | |
797 | schedule_work(&stream->notify_work); | |
798 | break; | |
799 | default: | |
800 | /* handle pending message complete request */ | |
801 | handled = hsw_process_reply(hsw, header); | |
802 | break; | |
803 | } | |
804 | ||
805 | return handled; | |
806 | } | |
807 | ||
808 | static int hsw_log_message(struct sst_hsw *hsw, u32 header) | |
809 | { | |
810 | u32 operation = (header & IPC_LOG_OP_MASK) >> IPC_LOG_OP_SHIFT; | |
811 | struct sst_hsw_log_stream *stream = &hsw->log_stream; | |
812 | int ret = 1; | |
813 | ||
814 | if (operation != IPC_DEBUG_REQUEST_LOG_DUMP) { | |
815 | dev_err(hsw->dev, | |
816 | "error: log msg not implemented 0x%8.8x\n", header); | |
817 | return 0; | |
818 | } | |
819 | ||
820 | mutex_lock(&stream->rw_mutex); | |
821 | stream->last_pos = stream->curr_pos; | |
822 | sst_dsp_inbox_read( | |
823 | hsw->dsp, &stream->curr_pos, sizeof(stream->curr_pos)); | |
824 | mutex_unlock(&stream->rw_mutex); | |
825 | ||
826 | schedule_work(&stream->notify_work); | |
827 | ||
828 | return ret; | |
829 | } | |
830 | ||
831 | static int hsw_process_notification(struct sst_hsw *hsw) | |
832 | { | |
833 | struct sst_dsp *sst = hsw->dsp; | |
834 | u32 type, header; | |
835 | int handled = 1; | |
836 | ||
837 | header = sst_dsp_shim_read_unlocked(sst, SST_IPCD); | |
838 | type = msg_get_global_type(header); | |
839 | ||
840 | trace_ipc_request("processing -->", header); | |
841 | ||
842 | /* FW Ready is a special case */ | |
843 | if (!hsw->boot_complete && header & IPC_FW_READY) { | |
844 | hsw_fw_ready(hsw, header); | |
845 | return handled; | |
846 | } | |
847 | ||
848 | switch (type) { | |
849 | case IPC_GLB_GET_FW_VERSION: | |
850 | case IPC_GLB_ALLOCATE_STREAM: | |
851 | case IPC_GLB_FREE_STREAM: | |
852 | case IPC_GLB_GET_FW_CAPABILITIES: | |
853 | case IPC_GLB_REQUEST_DUMP: | |
854 | case IPC_GLB_GET_DEVICE_FORMATS: | |
855 | case IPC_GLB_SET_DEVICE_FORMATS: | |
856 | case IPC_GLB_ENTER_DX_STATE: | |
857 | case IPC_GLB_GET_MIXER_STREAM_INFO: | |
858 | case IPC_GLB_MAX_IPC_MESSAGE_TYPE: | |
859 | case IPC_GLB_RESTORE_CONTEXT: | |
860 | case IPC_GLB_SHORT_REPLY: | |
861 | dev_err(hsw->dev, "error: message type %d header 0x%x\n", | |
862 | type, header); | |
863 | break; | |
864 | case IPC_GLB_STREAM_MESSAGE: | |
865 | handled = hsw_stream_message(hsw, header); | |
866 | break; | |
867 | case IPC_GLB_DEBUG_LOG_MESSAGE: | |
868 | handled = hsw_log_message(hsw, header); | |
869 | break; | |
870 | default: | |
871 | dev_err(hsw->dev, "error: unexpected type %d hdr 0x%8.8x\n", | |
872 | type, header); | |
873 | break; | |
874 | } | |
875 | ||
876 | return handled; | |
877 | } | |
878 | ||
879 | static irqreturn_t hsw_irq_thread(int irq, void *context) | |
880 | { | |
881 | struct sst_dsp *sst = (struct sst_dsp *) context; | |
882 | struct sst_hsw *hsw = sst_dsp_get_thread_context(sst); | |
883 | u32 ipcx, ipcd; | |
884 | int handled; | |
885 | unsigned long flags; | |
886 | ||
887 | spin_lock_irqsave(&sst->spinlock, flags); | |
888 | ||
889 | ipcx = sst_dsp_ipc_msg_rx(hsw->dsp); | |
890 | ipcd = sst_dsp_shim_read_unlocked(sst, SST_IPCD); | |
891 | ||
892 | /* reply message from DSP */ | |
893 | if (ipcx & SST_IPCX_DONE) { | |
894 | ||
895 | /* Handle Immediate reply from DSP Core */ | |
896 | handled = hsw_process_reply(hsw, ipcx); | |
897 | ||
898 | if (handled > 0) { | |
899 | /* clear DONE bit - tell DSP we have completed */ | |
900 | sst_dsp_shim_update_bits_unlocked(sst, SST_IPCX, | |
901 | SST_IPCX_DONE, 0); | |
902 | ||
903 | /* unmask Done interrupt */ | |
904 | sst_dsp_shim_update_bits_unlocked(sst, SST_IMRX, | |
905 | SST_IMRX_DONE, 0); | |
906 | } | |
907 | } | |
908 | ||
909 | /* new message from DSP */ | |
910 | if (ipcd & SST_IPCD_BUSY) { | |
911 | ||
912 | /* Handle Notification and Delayed reply from DSP Core */ | |
913 | handled = hsw_process_notification(hsw); | |
914 | ||
915 | /* clear BUSY bit and set DONE bit - accept new messages */ | |
916 | if (handled > 0) { | |
917 | sst_dsp_shim_update_bits_unlocked(sst, SST_IPCD, | |
918 | SST_IPCD_BUSY | SST_IPCD_DONE, SST_IPCD_DONE); | |
919 | ||
920 | /* unmask busy interrupt */ | |
921 | sst_dsp_shim_update_bits_unlocked(sst, SST_IMRX, | |
922 | SST_IMRX_BUSY, 0); | |
923 | } | |
924 | } | |
925 | ||
926 | spin_unlock_irqrestore(&sst->spinlock, flags); | |
927 | ||
928 | /* continue to send any remaining messages... */ | |
929 | queue_kthread_work(&hsw->kworker, &hsw->kwork); | |
930 | ||
931 | return IRQ_HANDLED; | |
932 | } | |
933 | ||
934 | int sst_hsw_fw_get_version(struct sst_hsw *hsw, | |
935 | struct sst_hsw_ipc_fw_version *version) | |
936 | { | |
937 | int ret; | |
938 | ||
939 | ret = ipc_tx_message_wait(hsw, IPC_GLB_TYPE(IPC_GLB_GET_FW_VERSION), | |
940 | NULL, 0, version, sizeof(*version)); | |
941 | if (ret < 0) | |
942 | dev_err(hsw->dev, "error: get version failed\n"); | |
943 | ||
944 | return ret; | |
945 | } | |
946 | ||
947 | /* Mixer Controls */ | |
948 | int sst_hsw_stream_mute(struct sst_hsw *hsw, struct sst_hsw_stream *stream, | |
949 | u32 stage_id, u32 channel) | |
950 | { | |
951 | int ret; | |
952 | ||
953 | ret = sst_hsw_stream_get_volume(hsw, stream, stage_id, channel, | |
954 | &stream->mute_volume[channel]); | |
955 | if (ret < 0) | |
956 | return ret; | |
957 | ||
958 | ret = sst_hsw_stream_set_volume(hsw, stream, stage_id, channel, 0); | |
959 | if (ret < 0) { | |
960 | dev_err(hsw->dev, "error: can't unmute stream %d channel %d\n", | |
961 | stream->reply.stream_hw_id, channel); | |
962 | return ret; | |
963 | } | |
964 | ||
965 | stream->mute[channel] = 1; | |
966 | return 0; | |
967 | } | |
968 | ||
969 | int sst_hsw_stream_unmute(struct sst_hsw *hsw, struct sst_hsw_stream *stream, | |
970 | u32 stage_id, u32 channel) | |
971 | ||
972 | { | |
973 | int ret; | |
974 | ||
975 | stream->mute[channel] = 0; | |
976 | ret = sst_hsw_stream_set_volume(hsw, stream, stage_id, channel, | |
977 | stream->mute_volume[channel]); | |
978 | if (ret < 0) { | |
979 | dev_err(hsw->dev, "error: can't unmute stream %d channel %d\n", | |
980 | stream->reply.stream_hw_id, channel); | |
981 | return ret; | |
982 | } | |
983 | ||
984 | return 0; | |
985 | } | |
986 | ||
987 | int sst_hsw_stream_get_volume(struct sst_hsw *hsw, struct sst_hsw_stream *stream, | |
988 | u32 stage_id, u32 channel, u32 *volume) | |
989 | { | |
990 | if (channel > 1) | |
991 | return -EINVAL; | |
992 | ||
993 | sst_dsp_read(hsw->dsp, volume, | |
994 | stream->reply.volume_register_address[channel], sizeof(volume)); | |
995 | ||
996 | return 0; | |
997 | } | |
998 | ||
999 | int sst_hsw_stream_set_volume_curve(struct sst_hsw *hsw, | |
1000 | struct sst_hsw_stream *stream, u64 curve_duration, | |
1001 | enum sst_hsw_volume_curve curve) | |
1002 | { | |
1003 | /* curve duration in steps of 100ns */ | |
1004 | stream->vol_req.curve_duration = curve_duration; | |
1005 | stream->vol_req.curve_type = curve; | |
1006 | ||
1007 | return 0; | |
1008 | } | |
1009 | ||
1010 | /* stream volume */ | |
1011 | int sst_hsw_stream_set_volume(struct sst_hsw *hsw, | |
1012 | struct sst_hsw_stream *stream, u32 stage_id, u32 channel, u32 volume) | |
1013 | { | |
1014 | struct sst_hsw_ipc_volume_req *req; | |
1015 | u32 header; | |
1016 | int ret; | |
1017 | ||
1018 | trace_ipc_request("set stream volume", stream->reply.stream_hw_id); | |
1019 | ||
1020 | if (channel > 1) | |
1021 | return -EINVAL; | |
1022 | ||
1023 | if (stream->mute[channel]) { | |
1024 | stream->mute_volume[channel] = volume; | |
1025 | return 0; | |
1026 | } | |
1027 | ||
1028 | header = IPC_GLB_TYPE(IPC_GLB_STREAM_MESSAGE) | | |
1029 | IPC_STR_TYPE(IPC_STR_STAGE_MESSAGE); | |
1030 | header |= (stream->reply.stream_hw_id << IPC_STR_ID_SHIFT); | |
1031 | header |= (IPC_STG_SET_VOLUME << IPC_STG_TYPE_SHIFT); | |
1032 | header |= (stage_id << IPC_STG_ID_SHIFT); | |
1033 | ||
1034 | req = &stream->vol_req; | |
1035 | req->channel = channel; | |
1036 | req->target_volume = volume; | |
1037 | ||
1038 | ret = ipc_tx_message_wait(hsw, header, req, sizeof(*req), NULL, 0); | |
1039 | if (ret < 0) { | |
1040 | dev_err(hsw->dev, "error: set stream volume failed\n"); | |
1041 | return ret; | |
1042 | } | |
1043 | ||
1044 | return 0; | |
1045 | } | |
1046 | ||
1047 | int sst_hsw_mixer_mute(struct sst_hsw *hsw, u32 stage_id, u32 channel) | |
1048 | { | |
1049 | int ret; | |
1050 | ||
1051 | ret = sst_hsw_mixer_get_volume(hsw, stage_id, channel, | |
1052 | &hsw->mute_volume[channel]); | |
1053 | if (ret < 0) | |
1054 | return ret; | |
1055 | ||
1056 | ret = sst_hsw_mixer_set_volume(hsw, stage_id, channel, 0); | |
1057 | if (ret < 0) { | |
1058 | dev_err(hsw->dev, "error: failed to unmute mixer channel %d\n", | |
1059 | channel); | |
1060 | return ret; | |
1061 | } | |
1062 | ||
1063 | hsw->mute[channel] = 1; | |
1064 | return 0; | |
1065 | } | |
1066 | ||
1067 | int sst_hsw_mixer_unmute(struct sst_hsw *hsw, u32 stage_id, u32 channel) | |
1068 | { | |
1069 | int ret; | |
1070 | ||
1071 | ret = sst_hsw_mixer_set_volume(hsw, stage_id, channel, | |
1072 | hsw->mixer_info.volume_register_address[channel]); | |
1073 | if (ret < 0) { | |
1074 | dev_err(hsw->dev, "error: failed to unmute mixer channel %d\n", | |
1075 | channel); | |
1076 | return ret; | |
1077 | } | |
1078 | ||
1079 | hsw->mute[channel] = 0; | |
1080 | return 0; | |
1081 | } | |
1082 | ||
1083 | int sst_hsw_mixer_get_volume(struct sst_hsw *hsw, u32 stage_id, u32 channel, | |
1084 | u32 *volume) | |
1085 | { | |
1086 | if (channel > 1) | |
1087 | return -EINVAL; | |
1088 | ||
1089 | sst_dsp_read(hsw->dsp, volume, | |
1090 | hsw->mixer_info.volume_register_address[channel], | |
1091 | sizeof(*volume)); | |
1092 | ||
1093 | return 0; | |
1094 | } | |
1095 | ||
1096 | int sst_hsw_mixer_set_volume_curve(struct sst_hsw *hsw, | |
1097 | u64 curve_duration, enum sst_hsw_volume_curve curve) | |
1098 | { | |
1099 | /* curve duration in steps of 100ns */ | |
1100 | hsw->curve_duration = curve_duration; | |
1101 | hsw->curve_type = curve; | |
1102 | ||
1103 | return 0; | |
1104 | } | |
1105 | ||
1106 | /* global mixer volume */ | |
1107 | int sst_hsw_mixer_set_volume(struct sst_hsw *hsw, u32 stage_id, u32 channel, | |
1108 | u32 volume) | |
1109 | { | |
1110 | struct sst_hsw_ipc_volume_req req; | |
1111 | u32 header; | |
1112 | int ret; | |
1113 | ||
1114 | trace_ipc_request("set mixer volume", volume); | |
1115 | ||
1116 | /* set both at same time ? */ | |
1117 | if (channel == 2) { | |
1118 | if (hsw->mute[0] && hsw->mute[1]) { | |
1119 | hsw->mute_volume[0] = hsw->mute_volume[1] = volume; | |
1120 | return 0; | |
1121 | } else if (hsw->mute[0]) | |
1122 | req.channel = 1; | |
1123 | else if (hsw->mute[1]) | |
1124 | req.channel = 0; | |
1125 | else | |
1126 | req.channel = 0xffffffff; | |
1127 | } else { | |
1128 | /* set only 1 channel */ | |
1129 | if (hsw->mute[channel]) { | |
1130 | hsw->mute_volume[channel] = volume; | |
1131 | return 0; | |
1132 | } | |
1133 | req.channel = channel; | |
1134 | } | |
1135 | ||
1136 | header = IPC_GLB_TYPE(IPC_GLB_STREAM_MESSAGE) | | |
1137 | IPC_STR_TYPE(IPC_STR_STAGE_MESSAGE); | |
1138 | header |= (hsw->mixer_info.mixer_hw_id << IPC_STR_ID_SHIFT); | |
1139 | header |= (IPC_STG_SET_VOLUME << IPC_STG_TYPE_SHIFT); | |
1140 | header |= (stage_id << IPC_STG_ID_SHIFT); | |
1141 | ||
1142 | req.curve_duration = hsw->curve_duration; | |
1143 | req.curve_type = hsw->curve_type; | |
1144 | req.target_volume = volume; | |
1145 | ||
1146 | ret = ipc_tx_message_wait(hsw, header, &req, sizeof(req), NULL, 0); | |
1147 | if (ret < 0) { | |
1148 | dev_err(hsw->dev, "error: set mixer volume failed\n"); | |
1149 | return ret; | |
1150 | } | |
1151 | ||
1152 | return 0; | |
1153 | } | |
1154 | ||
1155 | /* Stream API */ | |
1156 | struct sst_hsw_stream *sst_hsw_stream_new(struct sst_hsw *hsw, int id, | |
1157 | u32 (*notify_position)(struct sst_hsw_stream *stream, void *data), | |
1158 | void *data) | |
1159 | { | |
1160 | struct sst_hsw_stream *stream; | |
1161 | ||
1162 | stream = kzalloc(sizeof(*stream), GFP_KERNEL); | |
1163 | if (stream == NULL) | |
1164 | return NULL; | |
1165 | ||
1166 | list_add(&stream->node, &hsw->stream_list); | |
1167 | stream->notify_position = notify_position; | |
1168 | stream->pdata = data; | |
1169 | stream->hsw = hsw; | |
1170 | stream->host_id = id; | |
1171 | ||
1172 | /* work to process notification messages */ | |
1173 | INIT_WORK(&stream->notify_work, hsw_notification_work); | |
1174 | ||
1175 | return stream; | |
1176 | } | |
1177 | ||
1178 | int sst_hsw_stream_free(struct sst_hsw *hsw, struct sst_hsw_stream *stream) | |
1179 | { | |
1180 | u32 header; | |
1181 | int ret = 0; | |
1182 | ||
1183 | /* dont free DSP streams that are not commited */ | |
1184 | if (!stream->commited) | |
1185 | goto out; | |
1186 | ||
1187 | trace_ipc_request("stream free", stream->host_id); | |
1188 | ||
1189 | stream->free_req.stream_id = stream->reply.stream_hw_id; | |
1190 | header = IPC_GLB_TYPE(IPC_GLB_FREE_STREAM); | |
1191 | ||
1192 | ret = ipc_tx_message_wait(hsw, header, &stream->free_req, | |
1193 | sizeof(stream->free_req), NULL, 0); | |
1194 | if (ret < 0) { | |
1195 | dev_err(hsw->dev, "error: free stream %d failed\n", | |
1196 | stream->free_req.stream_id); | |
1197 | return -EAGAIN; | |
1198 | } | |
1199 | ||
1200 | trace_hsw_stream_free_req(stream, &stream->free_req); | |
1201 | ||
1202 | out: | |
1203 | list_del(&stream->node); | |
1204 | kfree(stream); | |
1205 | ||
1206 | return ret; | |
1207 | } | |
1208 | ||
1209 | int sst_hsw_stream_set_bits(struct sst_hsw *hsw, | |
1210 | struct sst_hsw_stream *stream, enum sst_hsw_bitdepth bits) | |
1211 | { | |
1212 | if (stream->commited) { | |
1213 | dev_err(hsw->dev, "error: stream committed for set bits\n"); | |
1214 | return -EINVAL; | |
1215 | } | |
1216 | ||
1217 | stream->request.format.bitdepth = bits; | |
1218 | return 0; | |
1219 | } | |
1220 | ||
1221 | int sst_hsw_stream_set_channels(struct sst_hsw *hsw, | |
1222 | struct sst_hsw_stream *stream, int channels) | |
1223 | { | |
1224 | if (stream->commited) { | |
1225 | dev_err(hsw->dev, "error: stream committed for set channels\n"); | |
1226 | return -EINVAL; | |
1227 | } | |
1228 | ||
1229 | /* stereo is only supported atm */ | |
1230 | if (channels != 2) | |
1231 | return -EINVAL; | |
1232 | ||
1233 | stream->request.format.ch_num = channels; | |
1234 | return 0; | |
1235 | } | |
1236 | ||
1237 | int sst_hsw_stream_set_rate(struct sst_hsw *hsw, | |
1238 | struct sst_hsw_stream *stream, int rate) | |
1239 | { | |
1240 | if (stream->commited) { | |
1241 | dev_err(hsw->dev, "error: stream committed for set rate\n"); | |
1242 | return -EINVAL; | |
1243 | } | |
1244 | ||
1245 | stream->request.format.frequency = rate; | |
1246 | return 0; | |
1247 | } | |
1248 | ||
1249 | int sst_hsw_stream_set_map_config(struct sst_hsw *hsw, | |
1250 | struct sst_hsw_stream *stream, u32 map, | |
1251 | enum sst_hsw_channel_config config) | |
1252 | { | |
1253 | if (stream->commited) { | |
1254 | dev_err(hsw->dev, "error: stream committed for set map\n"); | |
1255 | return -EINVAL; | |
1256 | } | |
1257 | ||
1258 | stream->request.format.map = map; | |
1259 | stream->request.format.config = config; | |
1260 | return 0; | |
1261 | } | |
1262 | ||
1263 | int sst_hsw_stream_set_style(struct sst_hsw *hsw, | |
1264 | struct sst_hsw_stream *stream, enum sst_hsw_interleaving style) | |
1265 | { | |
1266 | if (stream->commited) { | |
1267 | dev_err(hsw->dev, "error: stream committed for set style\n"); | |
1268 | return -EINVAL; | |
1269 | } | |
1270 | ||
1271 | stream->request.format.style = style; | |
1272 | return 0; | |
1273 | } | |
1274 | ||
1275 | int sst_hsw_stream_set_valid(struct sst_hsw *hsw, | |
1276 | struct sst_hsw_stream *stream, u32 bits) | |
1277 | { | |
1278 | if (stream->commited) { | |
1279 | dev_err(hsw->dev, "error: stream committed for set valid bits\n"); | |
1280 | return -EINVAL; | |
1281 | } | |
1282 | ||
1283 | stream->request.format.valid_bit = bits; | |
1284 | return 0; | |
1285 | } | |
1286 | ||
1287 | /* Stream Configuration */ | |
1288 | int sst_hsw_stream_format(struct sst_hsw *hsw, struct sst_hsw_stream *stream, | |
1289 | enum sst_hsw_stream_path_id path_id, | |
1290 | enum sst_hsw_stream_type stream_type, | |
1291 | enum sst_hsw_stream_format format_id) | |
1292 | { | |
1293 | if (stream->commited) { | |
1294 | dev_err(hsw->dev, "error: stream committed for set format\n"); | |
1295 | return -EINVAL; | |
1296 | } | |
1297 | ||
1298 | stream->request.path_id = path_id; | |
1299 | stream->request.stream_type = stream_type; | |
1300 | stream->request.format_id = format_id; | |
1301 | ||
1302 | trace_hsw_stream_alloc_request(stream, &stream->request); | |
1303 | ||
1304 | return 0; | |
1305 | } | |
1306 | ||
1307 | int sst_hsw_stream_buffer(struct sst_hsw *hsw, struct sst_hsw_stream *stream, | |
1308 | u32 ring_pt_address, u32 num_pages, | |
1309 | u32 ring_size, u32 ring_offset, u32 ring_first_pfn) | |
1310 | { | |
1311 | if (stream->commited) { | |
1312 | dev_err(hsw->dev, "error: stream committed for buffer\n"); | |
1313 | return -EINVAL; | |
1314 | } | |
1315 | ||
1316 | stream->request.ringinfo.ring_pt_address = ring_pt_address; | |
1317 | stream->request.ringinfo.num_pages = num_pages; | |
1318 | stream->request.ringinfo.ring_size = ring_size; | |
1319 | stream->request.ringinfo.ring_offset = ring_offset; | |
1320 | stream->request.ringinfo.ring_first_pfn = ring_first_pfn; | |
1321 | ||
1322 | trace_hsw_stream_buffer(stream); | |
1323 | ||
1324 | return 0; | |
1325 | } | |
1326 | ||
1327 | int sst_hsw_stream_set_module_info(struct sst_hsw *hsw, | |
1328 | struct sst_hsw_stream *stream, enum sst_hsw_module_id module_id, | |
1329 | u32 entry_point) | |
1330 | { | |
1331 | struct sst_hsw_module_map *map = &stream->request.map; | |
1332 | ||
1333 | if (stream->commited) { | |
1334 | dev_err(hsw->dev, "error: stream committed for set module\n"); | |
1335 | return -EINVAL; | |
1336 | } | |
1337 | ||
1338 | /* only support initial module atm */ | |
1339 | map->module_entries_count = 1; | |
1340 | map->module_entries[0].module_id = module_id; | |
1341 | map->module_entries[0].entry_point = entry_point; | |
1342 | ||
1343 | return 0; | |
1344 | } | |
1345 | ||
1346 | int sst_hsw_stream_set_pmemory_info(struct sst_hsw *hsw, | |
1347 | struct sst_hsw_stream *stream, u32 offset, u32 size) | |
1348 | { | |
1349 | if (stream->commited) { | |
1350 | dev_err(hsw->dev, "error: stream committed for set pmem\n"); | |
1351 | return -EINVAL; | |
1352 | } | |
1353 | ||
1354 | stream->request.persistent_mem.offset = offset; | |
1355 | stream->request.persistent_mem.size = size; | |
1356 | ||
1357 | return 0; | |
1358 | } | |
1359 | ||
1360 | int sst_hsw_stream_set_smemory_info(struct sst_hsw *hsw, | |
1361 | struct sst_hsw_stream *stream, u32 offset, u32 size) | |
1362 | { | |
1363 | if (stream->commited) { | |
1364 | dev_err(hsw->dev, "error: stream committed for set smem\n"); | |
1365 | return -EINVAL; | |
1366 | } | |
1367 | ||
1368 | stream->request.scratch_mem.offset = offset; | |
1369 | stream->request.scratch_mem.size = size; | |
1370 | ||
1371 | return 0; | |
1372 | } | |
1373 | ||
1374 | int sst_hsw_stream_commit(struct sst_hsw *hsw, struct sst_hsw_stream *stream) | |
1375 | { | |
1376 | struct sst_hsw_ipc_stream_alloc_req *str_req = &stream->request; | |
1377 | struct sst_hsw_ipc_stream_alloc_reply *reply = &stream->reply; | |
1378 | u32 header; | |
1379 | int ret; | |
1380 | ||
1381 | trace_ipc_request("stream alloc", stream->host_id); | |
1382 | ||
1383 | header = IPC_GLB_TYPE(IPC_GLB_ALLOCATE_STREAM); | |
1384 | ||
1385 | ret = ipc_tx_message_wait(hsw, header, str_req, sizeof(*str_req), | |
1386 | reply, sizeof(*reply)); | |
1387 | if (ret < 0) { | |
1388 | dev_err(hsw->dev, "error: stream commit failed\n"); | |
1389 | return ret; | |
1390 | } | |
1391 | ||
1392 | stream->commited = 1; | |
1393 | trace_hsw_stream_alloc_reply(stream); | |
1394 | ||
1395 | return 0; | |
1396 | } | |
1397 | ||
1398 | /* Stream Information - these calls could be inline but we want the IPC | |
1399 | ABI to be opaque to client PCM drivers to cope with any future ABI changes */ | |
1400 | int sst_hsw_stream_get_hw_id(struct sst_hsw *hsw, | |
1401 | struct sst_hsw_stream *stream) | |
1402 | { | |
1403 | return stream->reply.stream_hw_id; | |
1404 | } | |
1405 | ||
1406 | int sst_hsw_stream_get_mixer_id(struct sst_hsw *hsw, | |
1407 | struct sst_hsw_stream *stream) | |
1408 | { | |
1409 | return stream->reply.mixer_hw_id; | |
1410 | } | |
1411 | ||
1412 | u32 sst_hsw_stream_get_read_reg(struct sst_hsw *hsw, | |
1413 | struct sst_hsw_stream *stream) | |
1414 | { | |
1415 | return stream->reply.read_position_register_address; | |
1416 | } | |
1417 | ||
1418 | u32 sst_hsw_stream_get_pointer_reg(struct sst_hsw *hsw, | |
1419 | struct sst_hsw_stream *stream) | |
1420 | { | |
1421 | return stream->reply.presentation_position_register_address; | |
1422 | } | |
1423 | ||
1424 | u32 sst_hsw_stream_get_peak_reg(struct sst_hsw *hsw, | |
1425 | struct sst_hsw_stream *stream, u32 channel) | |
1426 | { | |
1427 | if (channel >= 2) | |
1428 | return 0; | |
1429 | ||
1430 | return stream->reply.peak_meter_register_address[channel]; | |
1431 | } | |
1432 | ||
1433 | u32 sst_hsw_stream_get_vol_reg(struct sst_hsw *hsw, | |
1434 | struct sst_hsw_stream *stream, u32 channel) | |
1435 | { | |
1436 | if (channel >= 2) | |
1437 | return 0; | |
1438 | ||
1439 | return stream->reply.volume_register_address[channel]; | |
1440 | } | |
1441 | ||
1442 | int sst_hsw_mixer_get_info(struct sst_hsw *hsw) | |
1443 | { | |
1444 | struct sst_hsw_ipc_stream_info_reply *reply; | |
1445 | u32 header; | |
1446 | int ret; | |
1447 | ||
1448 | reply = &hsw->mixer_info; | |
1449 | header = IPC_GLB_TYPE(IPC_GLB_GET_MIXER_STREAM_INFO); | |
1450 | ||
1451 | trace_ipc_request("get global mixer info", 0); | |
1452 | ||
1453 | ret = ipc_tx_message_wait(hsw, header, NULL, 0, reply, sizeof(*reply)); | |
1454 | if (ret < 0) { | |
1455 | dev_err(hsw->dev, "error: get stream info failed\n"); | |
1456 | return ret; | |
1457 | } | |
1458 | ||
1459 | trace_hsw_mixer_info_reply(reply); | |
1460 | ||
1461 | return 0; | |
1462 | } | |
1463 | ||
1464 | /* Send stream command */ | |
1465 | static int sst_hsw_stream_operations(struct sst_hsw *hsw, int type, | |
1466 | int stream_id, int wait) | |
1467 | { | |
1468 | u32 header; | |
1469 | ||
1470 | header = IPC_GLB_TYPE(IPC_GLB_STREAM_MESSAGE) | IPC_STR_TYPE(type); | |
1471 | header |= (stream_id << IPC_STR_ID_SHIFT); | |
1472 | ||
1473 | if (wait) | |
1474 | return ipc_tx_message_wait(hsw, header, NULL, 0, NULL, 0); | |
1475 | else | |
1476 | return ipc_tx_message_nowait(hsw, header, NULL, 0); | |
1477 | } | |
1478 | ||
1479 | /* Stream ALSA trigger operations */ | |
1480 | int sst_hsw_stream_pause(struct sst_hsw *hsw, struct sst_hsw_stream *stream, | |
1481 | int wait) | |
1482 | { | |
1483 | int ret; | |
1484 | ||
1485 | trace_ipc_request("stream pause", stream->reply.stream_hw_id); | |
1486 | ||
1487 | ret = sst_hsw_stream_operations(hsw, IPC_STR_PAUSE, | |
1488 | stream->reply.stream_hw_id, wait); | |
1489 | if (ret < 0) | |
1490 | dev_err(hsw->dev, "error: failed to pause stream %d\n", | |
1491 | stream->reply.stream_hw_id); | |
1492 | ||
1493 | return ret; | |
1494 | } | |
1495 | ||
1496 | int sst_hsw_stream_resume(struct sst_hsw *hsw, struct sst_hsw_stream *stream, | |
1497 | int wait) | |
1498 | { | |
1499 | int ret; | |
1500 | ||
1501 | trace_ipc_request("stream resume", stream->reply.stream_hw_id); | |
1502 | ||
1503 | ret = sst_hsw_stream_operations(hsw, IPC_STR_RESUME, | |
1504 | stream->reply.stream_hw_id, wait); | |
1505 | if (ret < 0) | |
1506 | dev_err(hsw->dev, "error: failed to resume stream %d\n", | |
1507 | stream->reply.stream_hw_id); | |
1508 | ||
1509 | return ret; | |
1510 | } | |
1511 | ||
1512 | int sst_hsw_stream_reset(struct sst_hsw *hsw, struct sst_hsw_stream *stream) | |
1513 | { | |
1514 | int ret, tries = 10; | |
1515 | ||
1516 | /* dont reset streams that are not commited */ | |
1517 | if (!stream->commited) | |
1518 | return 0; | |
1519 | ||
1520 | /* wait for pause to complete before we reset the stream */ | |
1521 | while (stream->running && tries--) | |
1522 | msleep(1); | |
1523 | if (!tries) { | |
1524 | dev_err(hsw->dev, "error: reset stream %d still running\n", | |
1525 | stream->reply.stream_hw_id); | |
1526 | return -EINVAL; | |
1527 | } | |
1528 | ||
1529 | trace_ipc_request("stream reset", stream->reply.stream_hw_id); | |
1530 | ||
1531 | ret = sst_hsw_stream_operations(hsw, IPC_STR_RESET, | |
1532 | stream->reply.stream_hw_id, 1); | |
1533 | if (ret < 0) | |
1534 | dev_err(hsw->dev, "error: failed to reset stream %d\n", | |
1535 | stream->reply.stream_hw_id); | |
1536 | return ret; | |
1537 | } | |
1538 | ||
1539 | /* Stream pointer positions */ | |
1540 | int sst_hsw_get_dsp_position(struct sst_hsw *hsw, | |
1541 | struct sst_hsw_stream *stream) | |
1542 | { | |
1543 | return stream->rpos.position; | |
1544 | } | |
1545 | ||
1546 | int sst_hsw_stream_set_write_position(struct sst_hsw *hsw, | |
1547 | struct sst_hsw_stream *stream, u32 stage_id, u32 position) | |
1548 | { | |
1549 | u32 header; | |
1550 | int ret; | |
1551 | ||
1552 | trace_stream_write_position(stream->reply.stream_hw_id, position); | |
1553 | ||
1554 | header = IPC_GLB_TYPE(IPC_GLB_STREAM_MESSAGE) | | |
1555 | IPC_STR_TYPE(IPC_STR_STAGE_MESSAGE); | |
1556 | header |= (stream->reply.stream_hw_id << IPC_STR_ID_SHIFT); | |
1557 | header |= (IPC_STG_SET_WRITE_POSITION << IPC_STG_TYPE_SHIFT); | |
1558 | header |= (stage_id << IPC_STG_ID_SHIFT); | |
1559 | stream->wpos.position = position; | |
1560 | ||
1561 | ret = ipc_tx_message_nowait(hsw, header, &stream->wpos, | |
1562 | sizeof(stream->wpos)); | |
1563 | if (ret < 0) | |
1564 | dev_err(hsw->dev, "error: stream %d set position %d failed\n", | |
1565 | stream->reply.stream_hw_id, position); | |
1566 | ||
1567 | return ret; | |
1568 | } | |
1569 | ||
1570 | /* physical BE config */ | |
1571 | int sst_hsw_device_set_config(struct sst_hsw *hsw, | |
1572 | enum sst_hsw_device_id dev, enum sst_hsw_device_mclk mclk, | |
1573 | enum sst_hsw_device_mode mode, u32 clock_divider) | |
1574 | { | |
1575 | struct sst_hsw_ipc_device_config_req config; | |
1576 | u32 header; | |
1577 | int ret; | |
1578 | ||
1579 | trace_ipc_request("set device config", dev); | |
1580 | ||
1581 | config.ssp_interface = dev; | |
1582 | config.clock_frequency = mclk; | |
1583 | config.mode = mode; | |
1584 | config.clock_divider = clock_divider; | |
1585 | ||
1586 | trace_hsw_device_config_req(&config); | |
1587 | ||
1588 | header = IPC_GLB_TYPE(IPC_GLB_SET_DEVICE_FORMATS); | |
1589 | ||
1590 | ret = ipc_tx_message_wait(hsw, header, &config, sizeof(config), | |
1591 | NULL, 0); | |
1592 | if (ret < 0) | |
1593 | dev_err(hsw->dev, "error: set device formats failed\n"); | |
1594 | ||
1595 | return ret; | |
1596 | } | |
1597 | EXPORT_SYMBOL_GPL(sst_hsw_device_set_config); | |
1598 | ||
1599 | /* DX Config */ | |
1600 | int sst_hsw_dx_set_state(struct sst_hsw *hsw, | |
1601 | enum sst_hsw_dx_state state, struct sst_hsw_ipc_dx_reply *dx) | |
1602 | { | |
1603 | u32 header, state_; | |
1604 | int ret; | |
1605 | ||
1606 | header = IPC_GLB_TYPE(IPC_GLB_ENTER_DX_STATE); | |
1607 | state_ = state; | |
1608 | ||
1609 | trace_ipc_request("PM enter Dx state", state); | |
1610 | ||
1611 | ret = ipc_tx_message_wait(hsw, header, &state_, sizeof(state_), | |
1612 | dx, sizeof(dx)); | |
1613 | if (ret < 0) { | |
1614 | dev_err(hsw->dev, "ipc: error set dx state %d failed\n", state); | |
1615 | return ret; | |
1616 | } | |
1617 | ||
1618 | dev_dbg(hsw->dev, "ipc: got %d entry numbers for state %d\n", | |
1619 | dx->entries_no, state); | |
1620 | ||
1621 | memcpy(&hsw->dx, dx, sizeof(*dx)); | |
1622 | return 0; | |
1623 | } | |
1624 | ||
1625 | /* Used to save state into hsw->dx_reply */ | |
1626 | int sst_hsw_dx_get_state(struct sst_hsw *hsw, u32 item, | |
1627 | u32 *offset, u32 *size, u32 *source) | |
1628 | { | |
1629 | struct sst_hsw_ipc_dx_memory_item *dx_mem; | |
1630 | struct sst_hsw_ipc_dx_reply *dx_reply; | |
1631 | int entry_no; | |
1632 | ||
1633 | dx_reply = &hsw->dx; | |
1634 | entry_no = dx_reply->entries_no; | |
1635 | ||
1636 | trace_ipc_request("PM get Dx state", entry_no); | |
1637 | ||
1638 | if (item >= entry_no) | |
1639 | return -EINVAL; | |
1640 | ||
1641 | dx_mem = &dx_reply->mem_info[item]; | |
1642 | *offset = dx_mem->offset; | |
1643 | *size = dx_mem->size; | |
1644 | *source = dx_mem->source; | |
1645 | ||
1646 | return 0; | |
1647 | } | |
1648 | ||
1649 | static int msg_empty_list_init(struct sst_hsw *hsw) | |
1650 | { | |
1651 | int i; | |
1652 | ||
1653 | hsw->msg = kzalloc(sizeof(struct ipc_message) * | |
1654 | IPC_EMPTY_LIST_SIZE, GFP_KERNEL); | |
1655 | if (hsw->msg == NULL) | |
1656 | return -ENOMEM; | |
1657 | ||
1658 | for (i = 0; i < IPC_EMPTY_LIST_SIZE; i++) { | |
1659 | init_waitqueue_head(&hsw->msg[i].waitq); | |
1660 | list_add(&hsw->msg[i].list, &hsw->empty_list); | |
1661 | } | |
1662 | ||
1663 | return 0; | |
1664 | } | |
1665 | ||
1666 | void sst_hsw_set_scratch_module(struct sst_hsw *hsw, | |
1667 | struct sst_module *scratch) | |
1668 | { | |
1669 | hsw->scratch = scratch; | |
1670 | } | |
1671 | ||
1672 | struct sst_dsp *sst_hsw_get_dsp(struct sst_hsw *hsw) | |
1673 | { | |
1674 | return hsw->dsp; | |
1675 | } | |
1676 | ||
1677 | static struct sst_dsp_device hsw_dev = { | |
1678 | .thread = hsw_irq_thread, | |
1679 | .ops = &haswell_ops, | |
1680 | }; | |
1681 | ||
1682 | int sst_hsw_dsp_init(struct device *dev, struct sst_pdata *pdata) | |
1683 | { | |
1684 | struct sst_hsw_ipc_fw_version version; | |
1685 | struct sst_hsw *hsw; | |
1686 | struct sst_fw *hsw_sst_fw; | |
1687 | int ret; | |
1688 | ||
1689 | dev_dbg(dev, "initialising Audio DSP IPC\n"); | |
1690 | ||
1691 | hsw = devm_kzalloc(dev, sizeof(*hsw), GFP_KERNEL); | |
1692 | if (hsw == NULL) | |
1693 | return -ENOMEM; | |
1694 | ||
1695 | hsw->dev = dev; | |
1696 | INIT_LIST_HEAD(&hsw->stream_list); | |
1697 | INIT_LIST_HEAD(&hsw->tx_list); | |
1698 | INIT_LIST_HEAD(&hsw->rx_list); | |
1699 | INIT_LIST_HEAD(&hsw->empty_list); | |
1700 | init_waitqueue_head(&hsw->boot_wait); | |
1701 | init_waitqueue_head(&hsw->wait_txq); | |
1702 | ||
1703 | ret = msg_empty_list_init(hsw); | |
1704 | if (ret < 0) | |
1705 | goto list_err; | |
1706 | ||
1707 | /* start the IPC message thread */ | |
1708 | init_kthread_worker(&hsw->kworker); | |
1709 | hsw->tx_thread = kthread_run(kthread_worker_fn, | |
1710 | &hsw->kworker, | |
1711 | dev_name(hsw->dev)); | |
1712 | if (IS_ERR(hsw->tx_thread)) { | |
1713 | ret = PTR_ERR(hsw->tx_thread); | |
1714 | dev_err(hsw->dev, "error: failed to create message TX task\n"); | |
1715 | goto list_err; | |
1716 | } | |
1717 | init_kthread_work(&hsw->kwork, ipc_tx_msgs); | |
1718 | ||
1719 | hsw_dev.thread_context = hsw; | |
1720 | ||
1721 | /* init SST shim */ | |
1722 | hsw->dsp = sst_dsp_new(dev, &hsw_dev, pdata); | |
1723 | if (hsw->dsp == NULL) { | |
1724 | ret = -ENODEV; | |
1725 | goto list_err; | |
1726 | } | |
1727 | ||
1728 | /* keep the DSP in reset state for base FW loading */ | |
1729 | sst_dsp_reset(hsw->dsp); | |
1730 | ||
1731 | hsw_sst_fw = sst_fw_new(hsw->dsp, pdata->fw, hsw); | |
1732 | ||
1733 | if (hsw_sst_fw == NULL) { | |
1734 | ret = -ENODEV; | |
1735 | dev_err(dev, "error: failed to load firmware\n"); | |
1736 | goto fw_err; | |
1737 | } | |
1738 | ||
1739 | /* wait for DSP boot completion */ | |
1740 | sst_dsp_boot(hsw->dsp); | |
1741 | ret = wait_event_timeout(hsw->boot_wait, hsw->boot_complete, | |
1742 | msecs_to_jiffies(IPC_BOOT_MSECS)); | |
1743 | if (ret == 0) { | |
1744 | ret = -EIO; | |
1745 | dev_err(hsw->dev, "error: ADSP boot timeout\n"); | |
1746 | goto boot_err; | |
1747 | } | |
1748 | ||
1749 | /* get the FW version */ | |
1750 | sst_hsw_fw_get_version(hsw, &version); | |
1751 | dev_info(hsw->dev, "FW loaded: type %d - version: %d.%d build %d\n", | |
1752 | version.type, version.major, version.minor, version.build); | |
1753 | ||
1754 | /* get the globalmixer */ | |
1755 | ret = sst_hsw_mixer_get_info(hsw); | |
1756 | if (ret < 0) { | |
1757 | dev_err(hsw->dev, "error: failed to get stream info\n"); | |
1758 | goto boot_err; | |
1759 | } | |
1760 | ||
1761 | pdata->dsp = hsw; | |
1762 | return 0; | |
1763 | ||
1764 | boot_err: | |
1765 | sst_dsp_reset(hsw->dsp); | |
1766 | sst_fw_free(hsw_sst_fw); | |
1767 | fw_err: | |
1768 | sst_dsp_free(hsw->dsp); | |
1769 | kfree(hsw->msg); | |
1770 | list_err: | |
1771 | return ret; | |
1772 | } | |
1773 | EXPORT_SYMBOL_GPL(sst_hsw_dsp_init); | |
1774 | ||
1775 | void sst_hsw_dsp_free(struct device *dev, struct sst_pdata *pdata) | |
1776 | { | |
1777 | struct sst_hsw *hsw = pdata->dsp; | |
1778 | ||
1779 | sst_dsp_reset(hsw->dsp); | |
1780 | sst_fw_free_all(hsw->dsp); | |
1781 | sst_dsp_free(hsw->dsp); | |
1782 | kfree(hsw->scratch); | |
1783 | kfree(hsw->msg); | |
1784 | } | |
1785 | EXPORT_SYMBOL_GPL(sst_hsw_dsp_free); |