vx_cmd.h
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/*
* Driver for Digigram VX soundcards
*
* Definitions of DSP commands
*
* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __VX_CMD_H
#define __VX_CMD_H
enum {
CMD_VERSION,
CMD_SUPPORTED,
CMD_TEST_IT,
CMD_SEND_IRQA,
CMD_IBL,
CMD_ASYNC,
CMD_RES_PIPE,
CMD_FREE_PIPE,
CMD_CONF_PIPE,
CMD_ABORT_CONF_PIPE,
CMD_PARAM_OUTPUT_PIPE,
CMD_STOP_PIPE,
CMD_PIPE_STATE,
CMD_PIPE_SPL_COUNT,
CMD_CAN_START_PIPE,
CMD_SIZE_HBUFFER,
CMD_START_STREAM,
CMD_START_ONE_STREAM,
CMD_PAUSE_STREAM,
CMD_PAUSE_ONE_STREAM,
CMD_STREAM_OUT_LEVEL_ADJUST,
CMD_STOP_STREAM,
CMD_FORMAT_STREAM_OUT,
CMD_FORMAT_STREAM_IN,
CMD_GET_STREAM_STATE,
CMD_DROP_BYTES_AWAY,
CMD_GET_REMAINING_BYTES,
CMD_CONNECT_AUDIO,
CMD_AUDIO_LEVEL_ADJUST,
CMD_AUDIO_VU_PIC_METER,
CMD_GET_AUDIO_LEVELS,
CMD_GET_NOTIFY_EVENT,
CMD_INFO_NOTIFIED,
CMD_ACCESS_IO_FCT,
CMD_STATUS_R_BUFFERS,
CMD_UPDATE_R_BUFFERS,
CMD_LOAD_EFFECT_CONTEXT,
CMD_EFFECT_ONE_PIPE,
CMD_MODIFY_CLOCK,
CMD_STREAM1_OUT_SET_N_LEVELS,
CMD_PURGE_STREAM_DCMDS,
CMD_NOTIFY_PIPE_TIME,
CMD_LOAD_EFFECT_CONTEXT_PACKET,
CMD_RELIC_R_BUFFER,
CMD_RESYNC_AUDIO_INPUTS,
CMD_NOTIFY_STREAM_TIME,
CMD_STREAM_SAMPLE_COUNT,
CMD_CONFIG_TIME_CODE,
CMD_GET_TIME_CODE,
CMD_MANAGE_SIGNAL,
CMD_PARAMETER_STREAM_OUT,
CMD_READ_BOARD_FREQ,
CMD_GET_STREAM_LEVELS,
CMD_PURGE_PIPE_DCMDS,
// CMD_SET_STREAM_OUT_EFFECTS,
// CMD_GET_STREAM_OUT_EFFECTS,
CMD_CONNECT_MONITORING,
CMD_STREAM2_OUT_SET_N_LEVELS,
CMD_CANCEL_R_BUFFERS,
CMD_NOTIFY_END_OF_BUFFER,
CMD_GET_STREAM_VU_METER,
CMD_LAST_INDEX
};
struct vx_cmd_info {
unsigned int opcode; /* command word */
int length; /* command length (in words) */
int st_type; /* status type (RMH_SSIZE_XXX) */
int st_length; /* fixed length */
};
/* Family and code op of some DSP requests. */
#define CODE_OP_PIPE_TIME 0x004e0000
#define CODE_OP_START_STREAM 0x00800000
#define CODE_OP_PAUSE_STREAM 0x00810000
#define CODE_OP_OUT_STREAM_LEVEL 0x00820000
#define CODE_OP_UPDATE_R_BUFFERS 0x00840000
#define CODE_OP_OUT_STREAM1_LEVEL_CURVE 0x00850000
#define CODE_OP_OUT_STREAM2_LEVEL_CURVE 0x00930000
#define CODE_OP_OUT_STREAM_FORMAT 0x00860000
#define CODE_OP_STREAM_TIME 0x008f0000
#define CODE_OP_OUT_STREAM_EXTRAPARAMETER 0x00910000
#define CODE_OP_OUT_AUDIO_LEVEL 0x00c20000
#define NOTIFY_LAST_COMMAND 0x00400000
/* Values for a user delay */
#define DC_DIFFERED_DELAY (1<<BIT_DIFFERED_COMMAND)
#define DC_NOTIFY_DELAY (1<<BIT_NOTIFIED_COMMAND)
#define DC_HBUFFER_DELAY (1<<BIT_TIME_RELATIVE_TO_BUFFER)
#define DC_MULTIPLE_DELAY (1<<BIT_RESERVED)
#define DC_STREAM_TIME_DELAY (1<<BIT_STREAM_TIME)
#define DC_CANCELLED_DELAY (1<<BIT_CANCELLED_COMMAND)
/* Values for tiDelayed field in TIME_INFO structure,
* and for pbPause field in PLAY_BUFFER_INFO structure
*/
#define BIT_DIFFERED_COMMAND 0
#define BIT_NOTIFIED_COMMAND 1
#define BIT_TIME_RELATIVE_TO_BUFFER 2
#define BIT_RESERVED 3
#define BIT_STREAM_TIME 4
#define BIT_CANCELLED_COMMAND 5
/* Access to the "Size" field of the response of the CMD_GET_NOTIFY_EVENT request. */
#define GET_NOTIFY_EVENT_SIZE_FIELD_MASK 0x000000ff
/* DSP commands general masks */
#define OPCODE_MASK 0x00ff0000
#define DSP_DIFFERED_COMMAND_MASK 0x0000C000
/* Notifications (NOTIFY_INFO) */
#define ALL_CMDS_NOTIFIED 0x0000 // reserved
#define START_STREAM_NOTIFIED 0x0001
#define PAUSE_STREAM_NOTIFIED 0x0002
#define OUT_STREAM_LEVEL_NOTIFIED 0x0003
#define OUT_STREAM_PARAMETER_NOTIFIED 0x0004 // left for backward compatibility
#define OUT_STREAM_FORMAT_NOTIFIED 0x0004
#define PIPE_TIME_NOTIFIED 0x0005
#define OUT_AUDIO_LEVEL_NOTIFIED 0x0006
#define OUT_STREAM_LEVEL_CURVE_NOTIFIED 0x0007
#define STREAM_TIME_NOTIFIED 0x0008
#define OUT_STREAM_EXTRAPARAMETER_NOTIFIED 0x0009
#define UNKNOWN_COMMAND_NOTIFIED 0xffff
/* Output pipe parameters setting */
#define MASK_VALID_PIPE_MPEG_PARAM 0x000040
#define MASK_VALID_PIPE_BACKWARD_PARAM 0x000020
#define MASK_SET_PIPE_MPEG_PARAM 0x000002
#define MASK_SET_PIPE_BACKWARD_PARAM 0x000001
#define MASK_DSP_WORD 0x00FFFFFF
#define MASK_ALL_STREAM 0x00FFFFFF
#define MASK_DSP_WORD_LEVEL 0x000001FF
#define MASK_FIRST_FIELD 0x0000001F
#define FIELD_SIZE 5
#define COMMAND_RECORD_MASK 0x000800
/* PipeManagement definition bits (PIPE_DECL_INFO) */
#define P_UNDERRUN_SKIP_SOUND_MASK 0x01
#define P_PREPARE_FOR_MPEG3_MASK 0x02
#define P_DO_NOT_RESET_ANALOG_LEVELS 0x04
#define P_ALLOW_UNDER_ALLOCATION_MASK 0x08
#define P_DATA_MODE_MASK 0x10
#define P_ASIO_BUFFER_MANAGEMENT_MASK 0x20
#define BIT_SKIP_SOUND 0x08 // bit 3
#define BIT_DATA_MODE 0x10 // bit 4
/* Bits in the CMD_MODIFY_CLOCK request. */
#define CMD_MODIFY_CLOCK_FD_BIT 0x00000001
#define CMD_MODIFY_CLOCK_T_BIT 0x00000002
#define CMD_MODIFY_CLOCK_S_BIT 0x00000004
/* Access to the results of the CMD_GET_TIME_CODE RMH. */
#define TIME_CODE_V_MASK 0x00800000
#define TIME_CODE_N_MASK 0x00400000
#define TIME_CODE_B_MASK 0x00200000
#define TIME_CODE_W_MASK 0x00100000
/* Values for the CMD_MANAGE_SIGNAL RMH. */
#define MANAGE_SIGNAL_TIME_CODE 0x01
#define MANAGE_SIGNAL_MIDI 0x02
/* Values for the CMD_CONFIG_TIME_CODE RMH. */
#define CONFIG_TIME_CODE_CANCEL 0x00001000
/* Mask to get only the effective time from the
* high word out of the 2 returned by the DSP
*/
#define PCX_TIME_HI_MASK 0x000fffff
/* Values for setting a H-Buffer time */
#define HBUFFER_TIME_HIGH 0x00200000
#define HBUFFER_TIME_LOW 0x00000000
#define NOTIFY_MASK_TIME_HIGH 0x00400000
#define MULTIPLE_MASK_TIME_HIGH 0x00100000
#define STREAM_MASK_TIME_HIGH 0x00800000
/*
*
*/
void vx_init_rmh(struct vx_rmh *rmh, unsigned int cmd);
/**
* vx_send_pipe_cmd_params - fill first command word for pipe commands
* @rmh: the rmh to be modified
* @is_capture: 0 = playback, 1 = capture operation
* @param1: first pipe-parameter
* @param2: second pipe-parameter
*/
static inline void vx_set_pipe_cmd_params(struct vx_rmh *rmh, int is_capture,
int param1, int param2)
{
if (is_capture)
rmh->Cmd[0] |= COMMAND_RECORD_MASK;
rmh->Cmd[0] |= (((u32)param1 & MASK_FIRST_FIELD) << FIELD_SIZE) & MASK_DSP_WORD;
if (param2)
rmh->Cmd[0] |= ((u32)param2 & MASK_FIRST_FIELD) & MASK_DSP_WORD;
}
/**
* vx_set_stream_cmd_params - fill first command word for stream commands
* @rmh: the rmh to be modified
* @is_capture: 0 = playback, 1 = capture operation
* @pipe: the pipe index (zero-based)
*/
static inline void vx_set_stream_cmd_params(struct vx_rmh *rmh, int is_capture, int pipe)
{
if (is_capture)
rmh->Cmd[0] |= COMMAND_RECORD_MASK;
rmh->Cmd[0] |= (((u32)pipe & MASK_FIRST_FIELD) << FIELD_SIZE) & MASK_DSP_WORD;
}
#endif /* __VX_CMD_H */