git.oblomov.eu Git - linux-2.6/blob - sound/drivers/vx/vx_cmd.h

   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  */
 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  */
 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 */