treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
[linux-block.git] / sound / drivers / vx / vx_cmd.h
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Driver for Digigram VX soundcards
4  *
5  * Definitions of DSP commands
6  *
7  * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
8  */
9
10 #ifndef __VX_CMD_H
11 #define __VX_CMD_H
12
13 enum {
14         CMD_VERSION,
15         CMD_SUPPORTED,
16         CMD_TEST_IT,
17         CMD_SEND_IRQA,
18         CMD_IBL,
19         CMD_ASYNC,
20         CMD_RES_PIPE,
21         CMD_FREE_PIPE,
22         CMD_CONF_PIPE,
23         CMD_ABORT_CONF_PIPE,
24         CMD_PARAM_OUTPUT_PIPE,
25         CMD_STOP_PIPE,
26         CMD_PIPE_STATE,
27         CMD_PIPE_SPL_COUNT,
28         CMD_CAN_START_PIPE,
29         CMD_SIZE_HBUFFER,
30         CMD_START_STREAM,
31         CMD_START_ONE_STREAM,
32         CMD_PAUSE_STREAM,
33         CMD_PAUSE_ONE_STREAM,
34         CMD_STREAM_OUT_LEVEL_ADJUST,
35         CMD_STOP_STREAM,
36         CMD_FORMAT_STREAM_OUT,
37         CMD_FORMAT_STREAM_IN,
38         CMD_GET_STREAM_STATE,
39         CMD_DROP_BYTES_AWAY,
40         CMD_GET_REMAINING_BYTES,
41         CMD_CONNECT_AUDIO,
42         CMD_AUDIO_LEVEL_ADJUST,
43         CMD_AUDIO_VU_PIC_METER,
44         CMD_GET_AUDIO_LEVELS,
45         CMD_GET_NOTIFY_EVENT,
46         CMD_INFO_NOTIFIED,
47         CMD_ACCESS_IO_FCT,
48         CMD_STATUS_R_BUFFERS,
49         CMD_UPDATE_R_BUFFERS,
50         CMD_LOAD_EFFECT_CONTEXT,
51         CMD_EFFECT_ONE_PIPE,
52         CMD_MODIFY_CLOCK,
53         CMD_STREAM1_OUT_SET_N_LEVELS,
54         CMD_PURGE_STREAM_DCMDS,
55         CMD_NOTIFY_PIPE_TIME,
56         CMD_LOAD_EFFECT_CONTEXT_PACKET,
57         CMD_RELIC_R_BUFFER,
58         CMD_RESYNC_AUDIO_INPUTS,
59         CMD_NOTIFY_STREAM_TIME,
60         CMD_STREAM_SAMPLE_COUNT,
61         CMD_CONFIG_TIME_CODE,
62         CMD_GET_TIME_CODE,
63         CMD_MANAGE_SIGNAL,
64         CMD_PARAMETER_STREAM_OUT,
65         CMD_READ_BOARD_FREQ,
66         CMD_GET_STREAM_LEVELS,
67         CMD_PURGE_PIPE_DCMDS,
68         // CMD_SET_STREAM_OUT_EFFECTS,
69         // CMD_GET_STREAM_OUT_EFFECTS,
70         CMD_CONNECT_MONITORING,
71         CMD_STREAM2_OUT_SET_N_LEVELS,
72         CMD_CANCEL_R_BUFFERS,
73         CMD_NOTIFY_END_OF_BUFFER,
74         CMD_GET_STREAM_VU_METER,
75         CMD_LAST_INDEX
76 };
77
78 struct vx_cmd_info {
79         unsigned int opcode;    /* command word */
80         int length;             /* command length (in words) */
81         int st_type;            /* status type (RMH_SSIZE_XXX) */
82         int st_length;          /* fixed length */
83 };
84
85 /* Family and code op of some DSP requests. */
86 #define CODE_OP_PIPE_TIME                       0x004e0000
87 #define CODE_OP_START_STREAM                    0x00800000
88 #define CODE_OP_PAUSE_STREAM                    0x00810000
89 #define CODE_OP_OUT_STREAM_LEVEL                0x00820000
90 #define CODE_OP_UPDATE_R_BUFFERS                0x00840000
91 #define CODE_OP_OUT_STREAM1_LEVEL_CURVE         0x00850000
92 #define CODE_OP_OUT_STREAM2_LEVEL_CURVE         0x00930000
93 #define CODE_OP_OUT_STREAM_FORMAT               0x00860000
94 #define CODE_OP_STREAM_TIME                     0x008f0000
95 #define CODE_OP_OUT_STREAM_EXTRAPARAMETER       0x00910000
96 #define CODE_OP_OUT_AUDIO_LEVEL                 0x00c20000
97
98 #define NOTIFY_LAST_COMMAND     0x00400000
99
100 /* Values for a user delay */
101 #define DC_DIFFERED_DELAY       (1<<BIT_DIFFERED_COMMAND)
102 #define DC_NOTIFY_DELAY         (1<<BIT_NOTIFIED_COMMAND)
103 #define DC_HBUFFER_DELAY        (1<<BIT_TIME_RELATIVE_TO_BUFFER)
104 #define DC_MULTIPLE_DELAY       (1<<BIT_RESERVED)
105 #define DC_STREAM_TIME_DELAY    (1<<BIT_STREAM_TIME)
106 #define DC_CANCELLED_DELAY      (1<<BIT_CANCELLED_COMMAND)
107
108 /* Values for tiDelayed field in TIME_INFO structure,
109  * and for pbPause field in PLAY_BUFFER_INFO structure
110  */
111 #define BIT_DIFFERED_COMMAND                0
112 #define BIT_NOTIFIED_COMMAND                1
113 #define BIT_TIME_RELATIVE_TO_BUFFER         2
114 #define BIT_RESERVED                        3
115 #define BIT_STREAM_TIME                     4
116 #define BIT_CANCELLED_COMMAND               5
117
118 /* Access to the "Size" field of the response of the CMD_GET_NOTIFY_EVENT request. */
119 #define GET_NOTIFY_EVENT_SIZE_FIELD_MASK    0x000000ff
120
121 /* DSP commands general masks */
122 #define OPCODE_MASK                 0x00ff0000
123 #define DSP_DIFFERED_COMMAND_MASK   0x0000C000
124
125 /* Notifications (NOTIFY_INFO) */
126 #define ALL_CMDS_NOTIFIED                   0x0000  // reserved
127 #define START_STREAM_NOTIFIED               0x0001
128 #define PAUSE_STREAM_NOTIFIED               0x0002
129 #define OUT_STREAM_LEVEL_NOTIFIED           0x0003
130 #define OUT_STREAM_PARAMETER_NOTIFIED       0x0004  // left for backward compatibility
131 #define OUT_STREAM_FORMAT_NOTIFIED          0x0004
132 #define PIPE_TIME_NOTIFIED                  0x0005
133 #define OUT_AUDIO_LEVEL_NOTIFIED            0x0006
134 #define OUT_STREAM_LEVEL_CURVE_NOTIFIED     0x0007
135 #define STREAM_TIME_NOTIFIED                0x0008
136 #define OUT_STREAM_EXTRAPARAMETER_NOTIFIED  0x0009
137 #define UNKNOWN_COMMAND_NOTIFIED            0xffff
138
139 /* Output pipe parameters setting */
140 #define MASK_VALID_PIPE_MPEG_PARAM      0x000040
141 #define MASK_VALID_PIPE_BACKWARD_PARAM  0x000020
142 #define MASK_SET_PIPE_MPEG_PARAM        0x000002
143 #define MASK_SET_PIPE_BACKWARD_PARAM    0x000001
144
145 #define MASK_DSP_WORD           0x00FFFFFF
146 #define MASK_ALL_STREAM         0x00FFFFFF
147 #define MASK_DSP_WORD_LEVEL     0x000001FF
148 #define MASK_FIRST_FIELD        0x0000001F
149 #define FIELD_SIZE              5
150
151 #define COMMAND_RECORD_MASK     0x000800
152
153 /* PipeManagement definition bits (PIPE_DECL_INFO) */
154 #define P_UNDERRUN_SKIP_SOUND_MASK                              0x01
155 #define P_PREPARE_FOR_MPEG3_MASK                                0x02
156 #define P_DO_NOT_RESET_ANALOG_LEVELS                    0x04
157 #define P_ALLOW_UNDER_ALLOCATION_MASK                   0x08
158 #define P_DATA_MODE_MASK                                0x10
159 #define P_ASIO_BUFFER_MANAGEMENT_MASK                   0x20
160
161 #define BIT_SKIP_SOUND                                  0x08    // bit 3
162 #define BIT_DATA_MODE                                   0x10    // bit 4
163     
164 /* Bits in the CMD_MODIFY_CLOCK request. */
165 #define CMD_MODIFY_CLOCK_FD_BIT     0x00000001
166 #define CMD_MODIFY_CLOCK_T_BIT      0x00000002
167 #define CMD_MODIFY_CLOCK_S_BIT      0x00000004
168
169 /* Access to the results of the CMD_GET_TIME_CODE RMH. */
170 #define TIME_CODE_V_MASK            0x00800000
171 #define TIME_CODE_N_MASK            0x00400000
172 #define TIME_CODE_B_MASK            0x00200000
173 #define TIME_CODE_W_MASK            0x00100000
174
175 /* Values for the CMD_MANAGE_SIGNAL RMH. */
176 #define MANAGE_SIGNAL_TIME_CODE     0x01
177 #define MANAGE_SIGNAL_MIDI          0x02
178
179 /* Values for the CMD_CONFIG_TIME_CODE RMH. */
180 #define CONFIG_TIME_CODE_CANCEL     0x00001000
181     
182 /* Mask to get only the effective time from the
183  * high word out of the 2 returned by the DSP
184  */
185 #define PCX_TIME_HI_MASK        0x000fffff
186
187 /* Values for setting a H-Buffer time */
188 #define HBUFFER_TIME_HIGH       0x00200000
189 #define HBUFFER_TIME_LOW        0x00000000
190
191 #define NOTIFY_MASK_TIME_HIGH   0x00400000
192 #define MULTIPLE_MASK_TIME_HIGH 0x00100000
193 #define STREAM_MASK_TIME_HIGH   0x00800000
194
195
196 /*
197  *
198  */
199 void vx_init_rmh(struct vx_rmh *rmh, unsigned int cmd);
200
201 /**
202  * vx_send_pipe_cmd_params - fill first command word for pipe commands
203  * @rmh: the rmh to be modified
204  * @is_capture: 0 = playback, 1 = capture operation
205  * @param1: first pipe-parameter
206  * @param2: second pipe-parameter
207  */
208 static inline void vx_set_pipe_cmd_params(struct vx_rmh *rmh, int is_capture,
209                                           int param1, int param2)
210 {
211         if (is_capture)
212                 rmh->Cmd[0] |= COMMAND_RECORD_MASK;
213         rmh->Cmd[0] |= (((u32)param1 & MASK_FIRST_FIELD) << FIELD_SIZE) & MASK_DSP_WORD;
214                 
215         if (param2)
216                 rmh->Cmd[0] |= ((u32)param2 & MASK_FIRST_FIELD) & MASK_DSP_WORD;
217         
218 }
219
220 /**
221  * vx_set_stream_cmd_params - fill first command word for stream commands
222  * @rmh: the rmh to be modified
223  * @is_capture: 0 = playback, 1 = capture operation
224  * @pipe: the pipe index (zero-based)
225  */
226 static inline void vx_set_stream_cmd_params(struct vx_rmh *rmh, int is_capture, int pipe)
227 {
228         if (is_capture)
229                 rmh->Cmd[0] |= COMMAND_RECORD_MASK;
230         rmh->Cmd[0] |= (((u32)pipe & MASK_FIRST_FIELD) << FIELD_SIZE) & MASK_DSP_WORD;
231 }
232
233 #endif /* __VX_CMD_H */