mixart_core.h

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/*
 * Driver for Digigram miXart soundcards
 *
 * low level interface with interrupt handling and mail box implementation
 *
 * Copyright (c) 2003 by Digigram <[e-mail]>
 *
 *   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 __SOUND_MIXART_CORE_H
#define __SOUND_MIXART_CORE_H


enum mixart_message_id {
	MSG_CONNECTOR_GET_AUDIO_INFO         = 0x050008,
	MSG_CONNECTOR_GET_OUT_AUDIO_LEVEL    = 0x050009,
	MSG_CONNECTOR_SET_OUT_AUDIO_LEVEL    = 0x05000A,

	MSG_CONSOLE_MANAGER                  = 0x070000,
	MSG_CONSOLE_GET_CLOCK_UID            = 0x070003,

	MSG_PHYSICALIO_SET_LEVEL             = 0x0F0008,

	MSG_STREAM_ADD_INPUT_GROUP           = 0x130000,
	MSG_STREAM_ADD_OUTPUT_GROUP          = 0x130001,
	MSG_STREAM_DELETE_GROUP              = 0x130004,
	MSG_STREAM_START_STREAM_GRP_PACKET   = 0x130006,
	MSG_STREAM_START_INPUT_STAGE_PACKET  = 0x130007,
	MSG_STREAM_START_OUTPUT_STAGE_PACKET = 0x130008,
	MSG_STREAM_STOP_STREAM_GRP_PACKET    = 0x130009,
	MSG_STREAM_STOP_INPUT_STAGE_PACKET   = 0x13000A,
	MSG_STREAM_STOP_OUTPUT_STAGE_PACKET  = 0x13000B,
	MSG_STREAM_SET_INPUT_STAGE_PARAM     = 0x13000F,
	MSG_STREAM_SET_OUTPUT_STAGE_PARAM    = 0x130010,
	MSG_STREAM_SET_IN_AUDIO_LEVEL        = 0x130015,
	MSG_STREAM_SET_OUT_STREAM_LEVEL      = 0x130017,

	MSG_SYSTEM_FIRST_ID                  = 0x160000,
	MSG_SYSTEM_ENUM_PHYSICAL_IO          = 0x16000E,
	MSG_SYSTEM_ENUM_PLAY_CONNECTOR       = 0x160017,
	MSG_SYSTEM_ENUM_RECORD_CONNECTOR     = 0x160018,
	MSG_SYSTEM_WAIT_SYNCHRO_CMD          = 0x16002C,
	MSG_SYSTEM_SEND_SYNCHRO_CMD          = 0x16002D,

	MSG_SERVICES_TIMER_NOTIFY            = 0x1D0404,
	MSG_SERVICES_REPORT_TRACES           = 0x1D0700,

	MSG_CLOCK_CHECK_PROPERTIES           = 0x200001,
	MSG_CLOCK_SET_PROPERTIES             = 0x200002,
};


typedef struct mixart_msg mixart_msg_t;
struct mixart_msg
{
	u32          message_id;
	mixart_uid_t uid;
	void*        data;
	size_t       size;
};

/* structs used to communicate with miXart */

typedef struct mixart_enum_connector_resp mixart_enum_connector_resp_t;
struct mixart_enum_connector_resp
{
	u32  error_code;
	u32  first_uid_offset;
	u32  uid_count;
	u32  current_uid_index;
	mixart_uid_t uid[MIXART_MAX_PHYS_CONNECTORS];
} __attribute__((packed));


/* used for following struct */
#define MIXART_FLOAT_P_22_0_TO_HEX      0x41b00000  /* 22.0f */
#define MIXART_FLOAT_M_20_0_TO_HEX      0xc1a00000  /* -20.0f */
#define MIXART_FLOAT____0_0_TO_HEX      0x00000000  /* 0.0f */

typedef struct mixart_audio_info_req mixart_audio_info_req_t;
struct mixart_audio_info_req
{
	u32 line_max_level;    /* float */
	u32 micro_max_level;   /* float */
	u32 cd_max_level;      /* float */
} __attribute__((packed));

typedef struct mixart_analog_hw_info mixart_analog_hw_info_t;
struct mixart_analog_hw_info
{
	u32 is_present;
	u32 hw_connection_type;
	u32 max_level;         /* float */
	u32 min_var_level;     /* float */
	u32 max_var_level;     /* float */
	u32 step_var_level;    /* float */
	u32 fix_gain;          /* float */
	u32 zero_var;          /* float */
} __attribute__((packed));

typedef struct mixart_digital_hw_info mixart_digital_hw_info_t;
struct mixart_digital_hw_info
{
	u32   hw_connection_type;
	u32   presence;
	u32   clock;
	u32   reserved;
} __attribute__((packed));

typedef struct mixart_analog_info mixart_analog_info_t;
struct mixart_analog_info
{
	u32                     type_mask;
	mixart_analog_hw_info_t micro_info;
	mixart_analog_hw_info_t line_info;
	mixart_analog_hw_info_t cd_info;
	u32                     analog_level_present;
} __attribute__((packed));

typedef struct mixart_digital_info mixart_digital_info_t;
struct mixart_digital_info
{
	u32 type_mask;
	mixart_digital_hw_info_t aes_info;
	mixart_digital_hw_info_t adat_info;
} __attribute__((packed));

typedef struct mixart_audio_info mixart_audio_info_t;
struct mixart_audio_info
{
	u32                   clock_type_mask;
	mixart_analog_info_t  analog_info;
	mixart_digital_info_t digital_info;
} __attribute__((packed));

typedef struct mixart_audio_info_resp mixart_audio_info_resp_t;
struct mixart_audio_info_resp
{
	u32                 txx_status;
	mixart_audio_info_t info;
} __attribute__((packed));


/* used for nb_bytes_max_per_sample */
#define MIXART_FLOAT_P__4_0_TO_HEX      0x40800000  /* +4.0f */
#define MIXART_FLOAT_P__8_0_TO_HEX      0x41000000  /* +8.0f */

typedef struct mixart_stream_info mixart_stream_info_t;
struct mixart_stream_info
{
	u32 size_max_byte_frame;
	u32 size_max_sample_frame;
	u32 nb_bytes_max_per_sample;  /* float */
} __attribute__((packed));

/*  MSG_STREAM_ADD_INPUT_GROUP */
/*  MSG_STREAM_ADD_OUTPUT_GROUP */

typedef struct mixart_streaming_group_req mixart_streaming_group_req_t;
struct mixart_streaming_group_req
{
	u32 stream_count;
	u32 channel_count;
	u32 user_grp_number;
	u32 first_phys_audio;
	u32 latency;
	mixart_stream_info_t stream_info[32];
	mixart_uid_t connector;
	u32 flow_entry[32];
} __attribute__((packed));

typedef struct mixart_stream_desc mixart_stream_desc_t;
struct mixart_stream_desc
{
	mixart_uid_t stream_uid;
	u32          stream_desc;
} __attribute__((packed));

typedef struct mixart_streaming_group mixart_streaming_group_t;
struct mixart_streaming_group
{
	u32                  status;
	mixart_uid_t         group;
	u32                  pipe_desc;
	u32                  stream_count;
	mixart_stream_desc_t stream[32];
} __attribute__((packed));

/* MSG_STREAM_DELETE_GROUP */

/* request : mixart_uid_t group */

typedef struct mixart_delete_group_resp mixart_delete_group_resp_t;
struct mixart_delete_group_resp
{
	u32  status;
	u32  unused[2];
} __attribute__((packed));


/* 	MSG_STREAM_START_INPUT_STAGE_PACKET  = 0x130000 + 7,
	MSG_STREAM_START_OUTPUT_STAGE_PACKET = 0x130000 + 8,
	MSG_STREAM_STOP_INPUT_STAGE_PACKET   = 0x130000 + 10,
	MSG_STREAM_STOP_OUTPUT_STAGE_PACKET  = 0x130000 + 11,
 */

typedef struct mixart_fx_couple_uid mixart_fx_couple_uid_t;
struct mixart_fx_couple_uid
{
	mixart_uid_t uid_fx_code;
	mixart_uid_t uid_fx_data;
} __attribute__((packed));

typedef struct mixart_txx_stream_desc mixart_txx_stream_desc_t;
struct mixart_txx_stream_desc
{
	mixart_uid_t            uid_pipe;
	u32                     stream_idx;
	u32                     fx_number;
	mixart_fx_couple_uid_t  uid_fx[4];
} __attribute__((packed));

typedef struct mixart_flow_info mixart_flow_info_t;
struct mixart_flow_info
{
	mixart_txx_stream_desc_t  stream_desc;
	u32                       flow_entry;
	u32                       flow_phy_addr;
} __attribute__((packed));

typedef struct mixart_stream_state_req mixart_stream_state_req_t;
struct mixart_stream_state_req
{
	u32                 delayed;
	u64                 scheduler;
	u32                 reserved4np[3];
	u32                 stream_count;  /* set to 1 for instance */
	mixart_flow_info_t  stream_info;   /* could be an array[stream_count] */
} __attribute__((packed));

/* 	MSG_STREAM_START_STREAM_GRP_PACKET   = 0x130000 + 6
	MSG_STREAM_STOP_STREAM_GRP_PACKET    = 0x130000 + 9
 */

typedef struct mixart_group_state_req mixart_group_state_req_t;
struct mixart_group_state_req
{
	u32           delayed;
	u64           scheduler;
	u32           reserved4np[2];
	u32           pipe_count;    /* set to 1 for instance */
	mixart_uid_t  pipe_uid[1];   /* could be an array[pipe_count] */
} __attribute__((packed));

typedef struct mixart_group_state_resp mixart_group_state_resp_t;
struct mixart_group_state_resp
{
	u32           txx_status;
	u64           scheduler;
} __attribute__((packed));



/* Structures used by the MSG_SERVICES_TIMER_NOTIFY command */

typedef struct mixart_sample_pos mixart_sample_pos_t;
struct mixart_sample_pos
{
	u32   buffer_id;
	u32   validity;
	u32   sample_pos_high_part;
	u32   sample_pos_low_part;
} __attribute__((packed));

typedef struct mixart_timer_notify mixart_timer_notify_t;
struct mixart_timer_notify
{
	u32                  stream_count;
	mixart_sample_pos_t  streams[MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS];
} __attribute__((packed));


/*	MSG_CONSOLE_GET_CLOCK_UID            = 0x070003,
 */

/* request is a uid with desc = MSG_CONSOLE_MANAGER | cardindex */

typedef struct mixart_return_uid mixart_return_uid_t;
struct mixart_return_uid
{
	u32 error_code;