1 /*
2  * Driver for Digigram VX soundcards
3  *
4  * Definitions of DSP commands
5  *
6  * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
7  *
8  *   This program is free software; you can redistribute it and/or modify
9  *   it under the terms of the GNU General Public License as published by
10  *   the Free Software Foundation; either version 2 of the License, or
11  *   (at your option) any later version.
12  *
13  *   This program is distributed in the hope that it will be useful,
14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *   GNU General Public License for more details.
17  *
18  *   You should have received a copy of the GNU General Public License
19  *   along with this program; if not, write to the Free Software
20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  */
22 
23 #ifndef __VX_CMD_H
24 #define __VX_CMD_H
25 
26 enum {
27 	CMD_VERSION,
28 	CMD_SUPPORTED,
29 	CMD_TEST_IT,
30 	CMD_SEND_IRQA,
31 	CMD_IBL,
32 	CMD_ASYNC,
33 	CMD_RES_PIPE,
34 	CMD_FREE_PIPE,
35 	CMD_CONF_PIPE,
36 	CMD_ABORT_CONF_PIPE,
37 	CMD_PARAM_OUTPUT_PIPE,
38 	CMD_STOP_PIPE,
39 	CMD_PIPE_STATE,
40 	CMD_PIPE_SPL_COUNT,
41 	CMD_CAN_START_PIPE,
42 	CMD_SIZE_HBUFFER,
43 	CMD_START_STREAM,
44 	CMD_START_ONE_STREAM,
45 	CMD_PAUSE_STREAM,
46 	CMD_PAUSE_ONE_STREAM,
47 	CMD_STREAM_OUT_LEVEL_ADJUST,
48 	CMD_STOP_STREAM,
49 	CMD_FORMAT_STREAM_OUT,
50 	CMD_FORMAT_STREAM_IN,
51 	CMD_GET_STREAM_STATE,
52 	CMD_DROP_BYTES_AWAY,
53 	CMD_GET_REMAINING_BYTES,
54 	CMD_CONNECT_AUDIO,
55 	CMD_AUDIO_LEVEL_ADJUST,
56 	CMD_AUDIO_VU_PIC_METER,
57 	CMD_GET_AUDIO_LEVELS,
58 	CMD_GET_NOTIFY_EVENT,
59 	CMD_INFO_NOTIFIED,
60 	CMD_ACCESS_IO_FCT,
61 	CMD_STATUS_R_BUFFERS,
62 	CMD_UPDATE_R_BUFFERS,
63 	CMD_LOAD_EFFECT_CONTEXT,
64 	CMD_EFFECT_ONE_PIPE,
65 	CMD_MODIFY_CLOCK,
66 	CMD_STREAM1_OUT_SET_N_LEVELS,
67 	CMD_PURGE_STREAM_DCMDS,
68 	CMD_NOTIFY_PIPE_TIME,
69 	CMD_LOAD_EFFECT_CONTEXT_PACKET,
70 	CMD_RELIC_R_BUFFER,
71 	CMD_RESYNC_AUDIO_INPUTS,
72 	CMD_NOTIFY_STREAM_TIME,
73 	CMD_STREAM_SAMPLE_COUNT,
74 	CMD_CONFIG_TIME_CODE,
75 	CMD_GET_TIME_CODE,
76 	CMD_MANAGE_SIGNAL,
77 	CMD_PARAMETER_STREAM_OUT,
78 	CMD_READ_BOARD_FREQ,
79 	CMD_GET_STREAM_LEVELS,
80 	CMD_PURGE_PIPE_DCMDS,
81 	// CMD_SET_STREAM_OUT_EFFECTS,
82 	// CMD_GET_STREAM_OUT_EFFECTS,
83 	CMD_CONNECT_MONITORING,
84 	CMD_STREAM2_OUT_SET_N_LEVELS,
85 	CMD_CANCEL_R_BUFFERS,
86 	CMD_NOTIFY_END_OF_BUFFER,
87 	CMD_GET_STREAM_VU_METER,
88 	CMD_LAST_INDEX
89 };
90 
91 struct vx_cmd_info {
92 	unsigned int opcode;	/* command word */
93 	int length;		/* command length (in words) */
94 	int st_type;		/* status type (RMH_SSIZE_XXX) */
95 	int st_length;		/* fixed length */
96 };
97 
98 /* Family and code op of some DSP requests. */
99 #define CODE_OP_PIPE_TIME                       0x004e0000
100 #define CODE_OP_START_STREAM                    0x00800000
101 #define CODE_OP_PAUSE_STREAM                    0x00810000
102 #define CODE_OP_OUT_STREAM_LEVEL                0x00820000
103 #define CODE_OP_UPDATE_R_BUFFERS                0x00840000
104 #define CODE_OP_OUT_STREAM1_LEVEL_CURVE         0x00850000
105 #define CODE_OP_OUT_STREAM2_LEVEL_CURVE         0x00930000
106 #define CODE_OP_OUT_STREAM_FORMAT               0x00860000
107 #define CODE_OP_STREAM_TIME                     0x008f0000
108 #define CODE_OP_OUT_STREAM_EXTRAPARAMETER       0x00910000
109 #define CODE_OP_OUT_AUDIO_LEVEL                 0x00c20000
110 
111 #define NOTIFY_LAST_COMMAND     0x00400000
112 
113 /* Values for a user delay */
114 #define DC_DIFFERED_DELAY       (1<<BIT_DIFFERED_COMMAND)
115 #define DC_NOTIFY_DELAY         (1<<BIT_NOTIFIED_COMMAND)
116 #define DC_HBUFFER_DELAY        (1<<BIT_TIME_RELATIVE_TO_BUFFER)
117 #define DC_MULTIPLE_DELAY       (1<<BIT_RESERVED)
118 #define DC_STREAM_TIME_DELAY    (1<<BIT_STREAM_TIME)
119 #define DC_CANCELLED_DELAY      (1<<BIT_CANCELLED_COMMAND)
120 
121 /* Values for tiDelayed field in TIME_INFO structure,
122  * and for pbPause field in PLAY_BUFFER_INFO structure
123  */
124 #define BIT_DIFFERED_COMMAND                0
125 #define BIT_NOTIFIED_COMMAND                1
126 #define BIT_TIME_RELATIVE_TO_BUFFER         2
127 #define BIT_RESERVED                        3
128 #define BIT_STREAM_TIME                     4
129 #define BIT_CANCELLED_COMMAND               5
130 
131 /* Access to the "Size" field of the response of the CMD_GET_NOTIFY_EVENT request. */
132 #define GET_NOTIFY_EVENT_SIZE_FIELD_MASK    0x000000ff
133 
134 /* DSP commands general masks */
135 #define OPCODE_MASK                 0x00ff0000
136 #define DSP_DIFFERED_COMMAND_MASK   0x0000C000
137 
138 /* Notifications (NOTIFY_INFO) */
139 #define ALL_CMDS_NOTIFIED                   0x0000  // reserved
140 #define START_STREAM_NOTIFIED               0x0001
141 #define PAUSE_STREAM_NOTIFIED               0x0002
142 #define OUT_STREAM_LEVEL_NOTIFIED           0x0003
143 #define OUT_STREAM_PARAMETER_NOTIFIED       0x0004  // left for backward compatibility
144 #define OUT_STREAM_FORMAT_NOTIFIED          0x0004
145 #define PIPE_TIME_NOTIFIED                  0x0005
146 #define OUT_AUDIO_LEVEL_NOTIFIED            0x0006
147 #define OUT_STREAM_LEVEL_CURVE_NOTIFIED     0x0007
148 #define STREAM_TIME_NOTIFIED                0x0008
149 #define OUT_STREAM_EXTRAPARAMETER_NOTIFIED  0x0009
150 #define UNKNOWN_COMMAND_NOTIFIED            0xffff
151 
152 /* Output pipe parameters setting */
153 #define MASK_VALID_PIPE_MPEG_PARAM      0x000040
154 #define MASK_VALID_PIPE_BACKWARD_PARAM  0x000020
155 #define MASK_SET_PIPE_MPEG_PARAM        0x000002
156 #define MASK_SET_PIPE_BACKWARD_PARAM    0x000001
157 
158 #define MASK_DSP_WORD           0x00FFFFFF
159 #define MASK_ALL_STREAM         0x00FFFFFF
160 #define MASK_DSP_WORD_LEVEL     0x000001FF
161 #define MASK_FIRST_FIELD        0x0000001F
162 #define FIELD_SIZE              5
163 
164 #define COMMAND_RECORD_MASK     0x000800
165 
166 /* PipeManagement definition bits (PIPE_DECL_INFO) */
167 #define P_UNDERRUN_SKIP_SOUND_MASK				0x01
168 #define P_PREPARE_FOR_MPEG3_MASK				0x02
169 #define P_DO_NOT_RESET_ANALOG_LEVELS			0x04
170 #define P_ALLOW_UNDER_ALLOCATION_MASK			0x08
171 #define P_DATA_MODE_MASK				0x10
172 #define P_ASIO_BUFFER_MANAGEMENT_MASK			0x20
173 
174 #define BIT_SKIP_SOUND					0x08	// bit 3
175 #define BIT_DATA_MODE					0x10	// bit 4
176 
177 /* Bits in the CMD_MODIFY_CLOCK request. */
178 #define CMD_MODIFY_CLOCK_FD_BIT     0x00000001
179 #define CMD_MODIFY_CLOCK_T_BIT      0x00000002
180 #define CMD_MODIFY_CLOCK_S_BIT      0x00000004
181 
182 /* Access to the results of the CMD_GET_TIME_CODE RMH. */
183 #define TIME_CODE_V_MASK            0x00800000
184 #define TIME_CODE_N_MASK            0x00400000
185 #define TIME_CODE_B_MASK            0x00200000
186 #define TIME_CODE_W_MASK            0x00100000
187 
188 /* Values for the CMD_MANAGE_SIGNAL RMH. */
189 #define MANAGE_SIGNAL_TIME_CODE     0x01
190 #define MANAGE_SIGNAL_MIDI          0x02
191 
192 /* Values for the CMD_CONFIG_TIME_CODE RMH. */
193 #define CONFIG_TIME_CODE_CANCEL     0x00001000
194 
195 /* Mask to get only the effective time from the
196  * high word out of the 2 returned by the DSP
197  */
198 #define PCX_TIME_HI_MASK        0x000fffff
199 
200 /* Values for setting a H-Buffer time */
201 #define HBUFFER_TIME_HIGH       0x00200000
202 #define HBUFFER_TIME_LOW        0x00000000
203 
204 #define NOTIFY_MASK_TIME_HIGH   0x00400000
205 #define MULTIPLE_MASK_TIME_HIGH 0x00100000
206 #define STREAM_MASK_TIME_HIGH   0x00800000
207 
208 
209 /*
210  *
211  */
212 void vx_init_rmh(struct vx_rmh *rmh, unsigned int cmd);
213 
214 /**
215  * vx_send_pipe_cmd_params - fill first command word for pipe commands
216  * @rmh: the rmh to be modified
217  * @is_capture: 0 = playback, 1 = capture operation
218  * @param1: first pipe-parameter
219  * @param2: second pipe-parameter
220  */
vx_set_pipe_cmd_params(struct vx_rmh * rmh,int is_capture,int param1,int param2)221 static inline void vx_set_pipe_cmd_params(struct vx_rmh *rmh, int is_capture,
222 					  int param1, int param2)
223 {
224 	if (is_capture)
225 		rmh->Cmd[0] |= COMMAND_RECORD_MASK;
226 	rmh->Cmd[0] |= (((u32)param1 & MASK_FIRST_FIELD) << FIELD_SIZE) & MASK_DSP_WORD;
227 
228 	if (param2)
229 		rmh->Cmd[0] |= ((u32)param2 & MASK_FIRST_FIELD) & MASK_DSP_WORD;
230 
231 }
232 
233 /**
234  * vx_set_stream_cmd_params - fill first command word for stream commands
235  * @rmh: the rmh to be modified
236  * @is_capture: 0 = playback, 1 = capture operation
237  * @pipe: the pipe index (zero-based)
238  */
vx_set_stream_cmd_params(struct vx_rmh * rmh,int is_capture,int pipe)239 static inline void vx_set_stream_cmd_params(struct vx_rmh *rmh, int is_capture, int pipe)
240 {
241 	if (is_capture)
242 		rmh->Cmd[0] |= COMMAND_RECORD_MASK;
243 	rmh->Cmd[0] |= (((u32)pipe & MASK_FIRST_FIELD) << FIELD_SIZE) & MASK_DSP_WORD;
244 }
245 
246 #endif /* __VX_CMD_H */
247