1 #ifndef __INTEL_SST_FW_IPC_H__
2 #define __INTEL_SST_FW_IPC_H__
3 /*
4 *  intel_sst_fw_ipc.h - Intel SST Driver for audio engine
5 *
6 *  Copyright (C) 2008-10 Intel Corporation
7 *  Author:	Vinod Koul <vinod.koul@intel.com>
8 *		Harsha Priya <priya.harsha@intel.com>
9 *		Dharageswari R <dharageswari.r@intel.com>
10 *		KP Jeeja <jeeja.kp@intel.com>
11 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
12 *
13 *  This program is free software; you can redistribute it and/or modify
14 *  it under the terms of the GNU General Public License as published by
15 *  the Free Software Foundation; version 2 of the License.
16 *
17 *  This program is distributed in the hope that it will be useful, but
18 *  WITHOUT ANY WARRANTY; without even the implied warranty of
19 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
20 *  General Public License for more details.
21 *
22 *  You should have received a copy of the GNU General Public License along
23 *  with this program; if not, write to the Free Software Foundation, Inc.,
24 *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25 *
26 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
27 *
28 *  This driver exposes the audio engine functionalities to the ALSA
29 *	and middleware.
30 *  This file has definitions shared between the firmware and driver
31 */
32 
33 #define MAX_NUM_STREAMS_MRST 3
34 #define MAX_NUM_STREAMS_MFLD 6
35 #define MAX_NUM_STREAMS 6
36 #define MAX_DBG_RW_BYTES 80
37 #define MAX_NUM_SCATTER_BUFFERS 8
38 #define MAX_LOOP_BACK_DWORDS 8
39 /* IPC base address and mailbox, timestamp offsets */
40 #define SST_MAILBOX_SIZE 0x0400
41 #define SST_MAILBOX_SEND 0x0000
42 #define SST_MAILBOX_RCV 0x0804
43 #define SST_TIME_STAMP 0x1800
44 #define SST_RESERVED_OFFSET 0x1A00
45 #define SST_CHEKPOINT_OFFSET 0x1C00
46 #define REPLY_MSG 0x80
47 
48 /* Message ID's for IPC messages */
49 /* Bits B7: SST or IA/SC ; B6-B4: Msg Category; B3-B0: Msg Type */
50 
51 /* I2L Firmware/Codec Download msgs */
52 #define IPC_IA_PREP_LIB_DNLD 0x01
53 #define IPC_IA_LIB_DNLD_CMPLT 0x02
54 
55 #define IPC_IA_SET_PMIC_TYPE 0x03
56 #define IPC_IA_GET_FW_VERSION 0x04
57 #define IPC_IA_GET_FW_BUILD_INF 0x05
58 #define IPC_IA_GET_FW_INFO 0x06
59 
60 /* I2L Codec Config/control msgs */
61 #define IPC_IA_SET_CODEC_PARAMS 0x10
62 #define IPC_IA_GET_CODEC_PARAMS 0x11
63 #define IPC_IA_SET_PPP_PARAMS 0x12
64 #define IPC_IA_GET_PPP_PARAMS 0x13
65 #define IPC_IA_PLAY_FRAMES 0x14
66 #define IPC_IA_CAPT_FRAMES 0x15
67 #define IPC_IA_PLAY_VOICE 0x16
68 #define IPC_IA_CAPT_VOICE 0x17
69 #define IPC_IA_DECODE_FRAMES 0x18
70 
71 #define IPC_IA_ALG_PARAMS 0x1A
72 
73 /* I2L Stream config/control msgs */
74 #define IPC_IA_ALLOC_STREAM 0x20 /* Allocate a stream ID */
75 #define IPC_IA_FREE_STREAM 0x21 /* Free the stream ID */
76 #define IPC_IA_SET_STREAM_PARAMS 0x22
77 #define IPC_IA_GET_STREAM_PARAMS 0x23
78 #define IPC_IA_PAUSE_STREAM 0x24
79 #define IPC_IA_RESUME_STREAM 0x25
80 #define IPC_IA_DROP_STREAM 0x26
81 #define IPC_IA_DRAIN_STREAM 0x27 /* Short msg with str_id */
82 #define IPC_IA_TARGET_DEV_SELECT 0x28
83 #define IPC_IA_CONTROL_ROUTING 0x29
84 
85 #define IPC_IA_SET_STREAM_VOL 0x2A /*Vol for stream, pre mixer */
86 #define IPC_IA_GET_STREAM_VOL 0x2B
87 #define IPC_IA_SET_STREAM_MUTE 0x2C
88 #define IPC_IA_GET_STREAM_MUTE 0x2D
89 #define IPC_IA_ENABLE_RX_TIME_SLOT 0x2E /* Enable Rx time slot 0 or 1 */
90 
91 #define IPC_IA_START_STREAM 0x30 /* Short msg with str_id */
92 
93 /* Debug msgs */
94 #define IPC_IA_DBG_MEM_READ 0x40
95 #define IPC_IA_DBG_MEM_WRITE 0x41
96 #define IPC_IA_DBG_LOOP_BACK 0x42
97 
98 /* L2I Firmware/Codec Download msgs */
99 #define IPC_IA_FW_INIT_CMPLT 0x81
100 #define IPC_IA_LPE_GETTING_STALLED 0x82
101 #define IPC_IA_LPE_UNSTALLED 0x83
102 
103 /* L2I Codec Config/control msgs */
104 #define IPC_SST_GET_PLAY_FRAMES 0x90 /* Request IA more data */
105 #define IPC_SST_GET_CAPT_FRAMES 0x91 /* Request IA more data */
106 #define IPC_SST_BUF_UNDER_RUN 0x92 /* PB Under run and stopped */
107 #define IPC_SST_BUF_OVER_RUN 0x93 /* CAP Under run and stopped */
108 #define IPC_SST_DRAIN_END 0x94 /* PB Drain complete and stopped */
109 #define IPC_SST_CHNGE_SSP_PARAMS 0x95 /* PB SSP parameters changed */
110 #define IPC_SST_STREAM_PROCESS_FATAL_ERR 0x96/* error in processing a stream */
111 #define IPC_SST_PERIOD_ELAPSED 0x97 /* period elapsed */
112 #define IPC_IA_TARGET_DEV_CHNGD 0x98 /* error in processing a stream */
113 
114 #define IPC_SST_ERROR_EVENT 0x99 /* Buffer over run occurred */
115 /* L2S messages */
116 #define IPC_SC_DDR_LINK_UP 0xC0
117 #define IPC_SC_DDR_LINK_DOWN 0xC1
118 #define IPC_SC_SET_LPECLK_REQ 0xC2
119 #define IPC_SC_SSP_BIT_BANG 0xC3
120 
121 /* L2I Error reporting msgs */
122 #define IPC_IA_MEM_ALLOC_FAIL 0xE0
123 #define IPC_IA_PROC_ERR 0xE1 /* error in processing a
124 					stream can be used by playback and
125 					capture modules */
126 
127 /* L2I Debug msgs */
128 #define IPC_IA_PRINT_STRING 0xF0
129 
130 
131 
132 /* Command Response or Acknowledge message to any IPC message will have
133  * same message ID and stream ID information which is sent.
134  * There is no specific Ack message ID. The data field is used as response
135  * meaning.
136  */
137 enum ackData {
138 	IPC_ACK_SUCCESS = 0,
139 	IPC_ACK_FAILURE
140 };
141 
142 
143 enum sst_error_codes {
144 	/* Error code,response to msgId: Description */
145 	/* Common error codes */
146 	SST_SUCCESS = 0,	/* Success */
147 	SST_ERR_INVALID_STREAM_ID = 1,
148 	SST_ERR_INVALID_MSG_ID = 2,
149 	SST_ERR_INVALID_STREAM_OP = 3,
150 	SST_ERR_INVALID_PARAMS = 4,
151 	SST_ERR_INVALID_CODEC = 5,
152 	SST_ERR_INVALID_MEDIA_TYPE = 6,
153 	SST_ERR_STREAM_ERR = 7,
154 
155 	/* IPC specific error codes */
156 	SST_IPC_ERR_CALL_BACK_NOT_REGD = 8,
157 	SST_IPC_ERR_STREAM_NOT_ALLOCATED = 9,
158 	SST_IPC_ERR_STREAM_ALLOC_FAILED = 10,
159 	SST_IPC_ERR_GET_STREAM_FAILED = 11,
160 	SST_ERR_MOD_NOT_AVAIL = 12,
161 	SST_ERR_MOD_DNLD_RQD = 13,
162 	SST_ERR_STREAM_STOPPED = 14,
163 	SST_ERR_STREAM_IN_USE = 15,
164 
165 	/* Capture specific error codes */
166 	SST_CAP_ERR_INCMPLTE_CAPTURE_MSG = 16,
167 	SST_CAP_ERR_CAPTURE_FAIL = 17,
168 	SST_CAP_ERR_GET_DDR_NEW_SGLIST = 18,
169 	SST_CAP_ERR_UNDER_RUN = 19,
170 	SST_CAP_ERR_OVERFLOW = 20,
171 
172 	/* Playback specific error codes*/
173 	SST_PB_ERR_INCMPLTE_PLAY_MSG = 21,
174 	SST_PB_ERR_PLAY_FAIL = 22,
175 	SST_PB_ERR_GET_DDR_NEW_SGLIST = 23,
176 
177 	/* Codec manager specific error codes */
178 	SST_LIB_ERR_LIB_DNLD_REQUIRED = 24,
179 	SST_LIB_ERR_LIB_NOT_SUPPORTED = 25,
180 
181 	/* Library manager specific error codes */
182 	SST_SCC_ERR_PREP_DNLD_FAILED = 26,
183 	SST_SCC_ERR_LIB_DNLD_RES_FAILED = 27,
184 	/* Scheduler specific error codes */
185 	SST_SCH_ERR_FAIL = 28,
186 
187 	/* DMA specific error codes */
188 	SST_DMA_ERR_NO_CHNL_AVAILABLE = 29,
189 	SST_DMA_ERR_INVALID_INPUT_PARAMS = 30,
190 	SST_DMA_ERR_CHNL_ALREADY_SUSPENDED = 31,
191 	SST_DMA_ERR_CHNL_ALREADY_STARTED = 32,
192 	SST_DMA_ERR_CHNL_NOT_ENABLED = 33,
193 	SST_DMA_ERR_TRANSFER_FAILED = 34,
194 
195 	SST_SSP_ERR_ALREADY_ENABLED = 35,
196 	SST_SSP_ERR_ALREADY_DISABLED = 36,
197 	SST_SSP_ERR_NOT_INITIALIZED = 37,
198 	SST_SSP_ERR_SRAM_NO_DMA_DATA = 38,
199 
200 	/* Other error codes */
201 	SST_ERR_MOD_INIT_FAIL = 39,
202 
203 	/* FW init error codes */
204 	SST_RDR_ERR_IO_DEV_SEL_NOT_ALLOWED = 40,
205 	SST_RDR_ERR_ROUTE_ALREADY_STARTED = 41,
206 	SST_RDR_ERR_IO_DEV_SEL_FAILED = 42,
207 	SST_RDR_PREP_CODEC_DNLD_FAILED = 43,
208 
209 	/* Memory debug error codes */
210 	SST_ERR_DBG_MEM_READ_FAIL = 44,
211 	SST_ERR_DBG_MEM_WRITE_FAIL = 45,
212 	SST_ERR_INSUFFICIENT_INPUT_SG_LIST = 46,
213 	SST_ERR_INSUFFICIENT_OUTPUT_SG_LIST = 47,
214 
215 	SST_ERR_BUFFER_NOT_AVAILABLE = 48,
216 	SST_ERR_BUFFER_NOT_ALLOCATED = 49,
217 	SST_ERR_INVALID_REGION_TYPE = 50,
218 	SST_ERR_NULL_PTR = 51,
219 	SST_ERR_INVALID_BUFFER_SIZE = 52,
220 	SST_ERR_INVALID_BUFFER_INDEX = 53,
221 
222 	/*IIPC specific error codes */
223 	SST_IIPC_QUEUE_FULL = 54,
224 	SST_IIPC_ERR_MSG_SND_FAILED = 55,
225 	SST_PB_ERR_UNDERRUN_OCCURED = 56,
226 	SST_RDR_INSUFFICIENT_MIXER_BUFFER = 57,
227 	SST_INVALID_TIME_SLOTS = 58,
228 };
229 
230 enum dbg_mem_data_type {
231 	/* Data type of debug read/write */
232 	DATA_TYPE_U32,
233 	DATA_TYPE_U16,
234 	DATA_TYPE_U8,
235 };
236 
237 /* CAUTION NOTE: All IPC message body must be multiple of 32 bits.*/
238 
239 /* IPC Header */
240 union ipc_header {
241 	struct {
242 		u32  msg_id:8; /* Message ID - Max 256 Message Types */
243 		u32  str_id:5;
244 		u32  large:1;	/* Large Message if large = 1 */
245 		u32  reserved:2;	/* Reserved for future use */
246 		u32  data:14;	/* Ack/Info for msg, size of msg in Mailbox */
247 		u32  done:1; /* bit 30 */
248 		u32  busy:1; /* bit 31 */
249 	} part;
250 	u32 full;
251 } __attribute__ ((packed));
252 
253 /* Firmware build info */
254 struct sst_fw_build_info {
255 	unsigned char  date[16]; /* Firmware build date */
256 	unsigned char  time[16]; /* Firmware build time */
257 } __attribute__ ((packed));
258 
259 struct ipc_header_fw_init {
260 	struct snd_sst_fw_version fw_version;/* Firmware version details */
261 	struct sst_fw_build_info build_info;
262 	u16 result;	/* Fw init result */
263 	u8 module_id; /* Module ID in case of error */
264 	u8 debug_info; /* Debug info from Module ID in case of fail */
265 } __attribute__ ((packed));
266 
267 /* Address and size info of a frame buffer in DDR */
268 struct sst_address_info {
269 	u32 addr; /* Address at IA */
270 	u32 size; /* Size of the buffer */
271 } __attribute__ ((packed));
272 
273 /* Time stamp */
274 struct snd_sst_tstamp {
275 	u64 samples_processed;/* capture - data in DDR */
276 	u64 samples_rendered;/* playback - data rendered */
277 	u64 bytes_processed;/* bytes decoded or encoded */
278 	u32 sampling_frequency;/* eg: 48000, 44100 */
279 	u32 dma_base_address;/* DMA base address */
280 	u16	dma_channel_no;/* DMA Channel used for the data transfer*/
281 	u16	reserved;/* 32 bit alignment */
282 };
283 
284 /* Frame info to play or capture */
285 struct sst_frame_info {
286 	u16  num_entries; /* number of entries to follow */
287 	u16  rsrvd;
288 	struct sst_address_info  addr[MAX_NUM_SCATTER_BUFFERS];
289 } __attribute__ ((packed));
290 
291 /* Frames info for decode */
292 struct snd_sst_decode_info {
293 	unsigned long long input_bytes_consumed;
294 	unsigned long long output_bytes_produced;
295 	struct sst_frame_info frames_in;
296 	struct sst_frame_info frames_out;
297 } __attribute__ ((packed));
298 
299 /* SST to IA print debug message*/
300 struct ipc_sst_ia_print_params {
301 	u32 string_size;/* Max value is 160 */
302 	u8 prt_string[160];/* Null terminated Char string */
303 } __attribute__ ((packed));
304 
305 /* Voice data message  */
306 struct snd_sst_voice_data {
307 	u16 num_bytes;/* Number of valid voice data bytes */
308 	u8  pcm_wd_size;/* 0=8 bit, 1=16 bit 2=32 bit */
309 	u8  reserved;/* Reserved */
310 	u8  voice_data_buf[0];/* Voice data buffer in bytes, little endian */
311 } __attribute__ ((packed));
312 
313 /* SST to IA memory read debug message  */
314 struct ipc_sst_ia_dbg_mem_rw  {
315 	u16  num_bytes;/* Maximum of MAX_DBG_RW_BYTES */
316 	u16  data_type;/* enum: dbg_mem_data_type */
317 	u32  address;	/* Memory address of data memory of data_type */
318 	u8	rw_bytes[MAX_DBG_RW_BYTES];/* Maximum of 64 bytes can be RW */
319 } __attribute__ ((packed));
320 
321 struct ipc_sst_ia_dbg_loop_back {
322 	u16 num_dwords; /* Maximum of MAX_DBG_RW_BYTES */
323 	u16 increment_val;/* Increments dwords by this value, 0- no increment */
324 	u32 lpbk_dwords[MAX_LOOP_BACK_DWORDS];/* Maximum of 8 dwords loopback */
325 } __attribute__ ((packed));
326 
327 /* Stream type params struture for Alloc stream */
328 struct snd_sst_str_type {
329 	u8 codec_type;		/* Codec type */
330 	u8 str_type;		/* 1 = voice 2 = music */
331 	u8 operation;		/* Playback or Capture */
332 	u8 protected_str;	/* 0=Non DRM, 1=DRM */
333 	u8 time_slots;
334 	u8 reserved;		/* Reserved */
335 	u16 result;		/* Result used for acknowledgment */
336 } __attribute__ ((packed));
337 
338 /* Library info structure */
339 struct module_info {
340 	u32 lib_version;
341 	u32 lib_type;/*TBD- KLOCKWORK u8 lib_type;*/
342 	u32 media_type;
343 	u8  lib_name[12];
344 	u32 lib_caps;
345 	unsigned char  b_date[16]; /* Lib build date */
346 	unsigned char  b_time[16]; /* Lib build time */
347 } __attribute__ ((packed));
348 
349 /* Library slot info */
350 struct lib_slot_info {
351 	u8  slot_num; /* 1 or 2 */
352 	u8  reserved1;
353 	u16 reserved2;
354 	u32 iram_size; /* slot size in IRAM */
355 	u32 dram_size; /* slot size in DRAM */
356 	u32 iram_offset; /* starting offset of slot in IRAM */
357 	u32 dram_offset; /* starting offset of slot in DRAM */
358 } __attribute__ ((packed));
359 
360 struct snd_sst_lib_download {
361 	struct module_info lib_info; /* library info type, capabilities etc */
362 	struct lib_slot_info slot_info; /* slot info to be downloaded */
363 	u32 mod_entry_pt;
364 };
365 
366 struct snd_sst_lib_download_info {
367 	struct snd_sst_lib_download dload_lib;
368 	u16 result;	/* Result used for acknowledgment */
369 	u8 pvt_id; /* Private ID */
370 	u8 reserved;  /* for alignment */
371 };
372 
373 /* Alloc stream params structure */
374 struct snd_sst_alloc_params {
375 	struct snd_sst_str_type str_type;
376 	struct snd_sst_stream_params stream_params;
377 };
378 
379 struct snd_sst_fw_get_stream_params {
380 	struct snd_sst_stream_params codec_params;
381 	struct snd_sst_pmic_config pcm_params;
382 };
383 
384 /* Alloc stream response message */
385 struct snd_sst_alloc_response {
386 	struct snd_sst_str_type str_type; /* Stream type for allocation */
387 	struct snd_sst_lib_download lib_dnld; /* Valid only for codec dnld */
388 };
389 
390 /* Drop response */
391 struct snd_sst_drop_response {
392 	u32 result;
393 	u32 bytes;
394 };
395 
396 /* CSV Voice call routing structure */
397 struct snd_sst_control_routing {
398 	u8 control; /* 0=start, 1=Stop */
399 	u8 reserved[3];	/* Reserved- for 32 bit alignment */
400 };
401 
402 
403 struct ipc_post {
404 	struct list_head node;
405 	union ipc_header header; /* driver specific */
406 	char *mailbox_data;
407 };
408 
409 #endif /* __INTEL_SST_FW_IPC_H__ */
410