Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /*
  2  * Driver for Digigram VX soundcards
  3  *
  4  * 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 #include <sound/core.h>
 24 #include <sound/pcm.h>
 25 #include <sound/vx_core.h>
 26 #include "vx_cmd.h"
 27 
 28 /*
 29  * Array of DSP commands
 30  */
 31 static struct vx_cmd_info vx_dsp_cmds[] = {
 32 [CMD_VERSION] =                 { 0x010000, 2, RMH_SSIZE_FIXED, 1 },
 33 [CMD_SUPPORTED] =               { 0x020000, 1, RMH_SSIZE_FIXED, 2 },
 34 [CMD_TEST_IT] =                 { 0x040000, 1, RMH_SSIZE_FIXED, 1 },
 35 [CMD_SEND_IRQA] =               { 0x070001, 1, RMH_SSIZE_FIXED, 0 },
 36 [CMD_IBL] =                     { 0x080000, 1, RMH_SSIZE_FIXED, 4 },
 37 [CMD_ASYNC] =                   { 0x0A0000, 1, RMH_SSIZE_ARG, 0 },
 38 [CMD_RES_PIPE] =                { 0x400000, 1, RMH_SSIZE_FIXED, 0 },
 39 [CMD_FREE_PIPE] =               { 0x410000, 1, RMH_SSIZE_FIXED, 0 },
 40 [CMD_CONF_PIPE] =               { 0x42A101, 2, RMH_SSIZE_FIXED, 0 },
 41 [CMD_ABORT_CONF_PIPE] =         { 0x42A100, 2, RMH_SSIZE_FIXED, 0 },
 42 [CMD_PARAM_OUTPUT_PIPE] =       { 0x43A000, 2, RMH_SSIZE_FIXED, 0 },
 43 [CMD_STOP_PIPE] =               { 0x470004, 1, RMH_SSIZE_FIXED, 0 },
 44 [CMD_PIPE_STATE] =              { 0x480000, 1, RMH_SSIZE_FIXED, 1 },
 45 [CMD_PIPE_SPL_COUNT] =          { 0x49A000, 2, RMH_SSIZE_FIXED, 2 },
 46 [CMD_CAN_START_PIPE] =          { 0x4b0000, 1, RMH_SSIZE_FIXED, 1 },
 47 [CMD_SIZE_HBUFFER] =            { 0x4C0000, 1, RMH_SSIZE_FIXED, 1 },
 48 [CMD_START_STREAM] =            { 0x80A000, 2, RMH_SSIZE_FIXED, 0 },
 49 [CMD_START_ONE_STREAM] =        { 0x800000, 1, RMH_SSIZE_FIXED, 0 },
 50 [CMD_PAUSE_STREAM] =            { 0x81A000, 2, RMH_SSIZE_FIXED, 0 },
 51 [CMD_PAUSE_ONE_STREAM] =        { 0x810000, 1, RMH_SSIZE_FIXED, 0 },
 52 [CMD_STREAM_OUT_LEVEL_ADJUST] = { 0x828000, 2, RMH_SSIZE_FIXED, 0 },
 53 [CMD_STOP_STREAM] =             { 0x830000, 1, RMH_SSIZE_FIXED, 0 },
 54 [CMD_FORMAT_STREAM_OUT] =       { 0x868000, 1, RMH_SSIZE_FIXED, 0 },
 55 [CMD_FORMAT_STREAM_IN] =        { 0x878800, 1, RMH_SSIZE_FIXED, 0 },
 56 [CMD_GET_STREAM_STATE] =        { 0x890001, 2, RMH_SSIZE_FIXED, 1 },
 57 [CMD_DROP_BYTES_AWAY] =         { 0x8A8000, 2, RMH_SSIZE_FIXED, 0 },
 58 [CMD_GET_REMAINING_BYTES] =     { 0x8D0800, 1, RMH_SSIZE_FIXED, 2 },
 59 [CMD_CONNECT_AUDIO] =           { 0xC10000, 1, RMH_SSIZE_FIXED, 0 },
 60 [CMD_AUDIO_LEVEL_ADJUST] =      { 0xC2A000, 3, RMH_SSIZE_FIXED, 0 },
 61 [CMD_AUDIO_VU_PIC_METER] =      { 0xC3A003, 2, RMH_SSIZE_FIXED, 1 },
 62 [CMD_GET_AUDIO_LEVELS] =        { 0xC4A000, 2, RMH_SSIZE_FIXED, 0 },
 63 [CMD_GET_NOTIFY_EVENT] =        { 0x4D0000, 1, RMH_SSIZE_ARG, 0 },
 64 [CMD_INFO_NOTIFIED] =           { 0x0B0000, 1, RMH_SSIZE_FIXED, 2 },
 65 [CMD_ACCESS_IO_FCT] =           { 0x098000, 1, RMH_SSIZE_ARG, 0 },
 66 [CMD_STATUS_R_BUFFERS] =        { 0x440000, 1, RMH_SSIZE_ARG, 0 },
 67 [CMD_UPDATE_R_BUFFERS] =        { 0x848000, 4, RMH_SSIZE_FIXED, 0 },
 68 [CMD_LOAD_EFFECT_CONTEXT] =     { 0x0c8000, 3, RMH_SSIZE_FIXED, 1 },
 69 [CMD_EFFECT_ONE_PIPE] =         { 0x458000, 0, RMH_SSIZE_FIXED, 0 },
 70 [CMD_MODIFY_CLOCK] =            { 0x0d0000, 1, RMH_SSIZE_FIXED, 0 },
 71 [CMD_STREAM1_OUT_SET_N_LEVELS] ={ 0x858000, 3, RMH_SSIZE_FIXED, 0 },
 72 [CMD_PURGE_STREAM_DCMDS] =      { 0x8b8000, 3, RMH_SSIZE_FIXED, 0 },
 73 [CMD_NOTIFY_PIPE_TIME] =        { 0x4e0000, 1, RMH_SSIZE_FIXED, 0 },
 74 [CMD_LOAD_EFFECT_CONTEXT_PACKET] = { 0x0c8000, 1, RMH_SSIZE_FIXED, 0 },
 75 [CMD_RELIC_R_BUFFER] =          { 0x8e0800, 1, RMH_SSIZE_FIXED, 1 },
 76 [CMD_RESYNC_AUDIO_INPUTS] =     { 0x0e0000, 1, RMH_SSIZE_FIXED, 0 },
 77 [CMD_NOTIFY_STREAM_TIME] =      { 0x8f0000, 1, RMH_SSIZE_FIXED, 0 },
 78 [CMD_STREAM_SAMPLE_COUNT] =     { 0x900000, 1, RMH_SSIZE_FIXED, 2 },
 79 [CMD_CONFIG_TIME_CODE] =        { 0x050000, 2, RMH_SSIZE_FIXED, 0 },
 80 [CMD_GET_TIME_CODE] =           { 0x060000, 1, RMH_SSIZE_FIXED, 5 },
 81 [CMD_MANAGE_SIGNAL] =           { 0x0f0000, 1, RMH_SSIZE_FIXED, 0 },
 82 [CMD_PARAMETER_STREAM_OUT] =    { 0x91A000, 3, RMH_SSIZE_FIXED, 0 },
 83 [CMD_READ_BOARD_FREQ] =         { 0x030000, 1, RMH_SSIZE_FIXED, 2 },
 84 [CMD_GET_STREAM_LEVELS] =       { 0x8c0000, 1, RMH_SSIZE_FIXED, 3 },
 85 [CMD_PURGE_PIPE_DCMDS] =        { 0x4f8000, 3, RMH_SSIZE_FIXED, 0 },
 86 // [CMD_SET_STREAM_OUT_EFFECTS] =       { 0x888000, 34, RMH_SSIZE_FIXED, 0 },
 87 // [CMD_GET_STREAM_OUT_EFFECTS] =       { 0x928000, 2, RMH_SSIZE_FIXED, 32 },
 88 [CMD_CONNECT_MONITORING] =      { 0xC00000, 1, RMH_SSIZE_FIXED, 0 },
 89 [CMD_STREAM2_OUT_SET_N_LEVELS] = { 0x938000, 3, RMH_SSIZE_FIXED, 0 },
 90 [CMD_CANCEL_R_BUFFERS] =        { 0x948000, 4, RMH_SSIZE_FIXED, 0 },
 91 [CMD_NOTIFY_END_OF_BUFFER] =    { 0x950000, 1, RMH_SSIZE_FIXED, 0 },
 92 [CMD_GET_STREAM_VU_METER] =     { 0x95A000, 2, RMH_SSIZE_ARG, 0 },
 93 };
 94 
 95 /**
 96  * vx_init_rmh - initialize the RMH instance
 97  * @rmh: the rmh pointer to be initialized
 98  * @cmd: the rmh command to be set
 99  */
100 void vx_init_rmh(struct vx_rmh *rmh, unsigned int cmd)
101 {
102         snd_assert(cmd < CMD_LAST_INDEX, return);
103         rmh->LgCmd = vx_dsp_cmds[cmd].length;
104         rmh->LgStat = vx_dsp_cmds[cmd].st_length;
105         rmh->DspStat = vx_dsp_cmds[cmd].st_type;
106         rmh->Cmd[0] = vx_dsp_cmds[cmd].opcode;
107 }
108 
109 
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