sound/pci/pcxhr/pcxhr_core.h - maze/linux - Git at Google

 /*
  * Driver for Digigram pcxhr compatible soundcards
  *
  * low level interface with interrupt ans message handling
  *
  * Copyright (c) 2004 by Digigram <alsa@digigram.com>
  *
  *   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_PCXHR_CORE_H
 #define __SOUND_PCXHR_CORE_H

 struct firmware;
 struct pcxhr_mgr;

 /* init and firmware download commands */
 void pcxhr_reset_xilinx_com(struct pcxhr_mgr *mgr);
 void pcxhr_reset_dsp(struct pcxhr_mgr *mgr);
 void pcxhr_enable_dsp(struct pcxhr_mgr *mgr);
 int pcxhr_load_xilinx_binary(struct pcxhr_mgr *mgr, const struct firmware *xilinx, int second);
 int pcxhr_load_eeprom_binary(struct pcxhr_mgr *mgr, const struct firmware *eeprom);
 int pcxhr_load_boot_binary(struct pcxhr_mgr *mgr, const struct firmware *boot);
 int pcxhr_load_dsp_binary(struct pcxhr_mgr *mgr, const struct firmware *dsp);

 /* DSP time available on MailBox4 register : 24 bit time samples() */
 #define PCXHR_DSP_TIME_MASK		0x00ffffff
 #define PCXHR_DSP_TIME_INVALID		0x10000000


 #define PCXHR_SIZE_MAX_CMD		8
 #define PCXHR_SIZE_MAX_STATUS		16
 #define PCXHR_SIZE_MAX_LONG_STATUS	256

 struct pcxhr_rmh {
 	u16	cmd_len;		/* length of the command to send (WORDs) */
 	u16	stat_len;		/* length of the status received (WORDs) */
 	u16	dsp_stat;		/* status type, RMP_SSIZE_XXX */
 	u16	cmd_idx;		/* index of the command */
 	u32	cmd[PCXHR_SIZE_MAX_CMD];
 	u32	stat[PCXHR_SIZE_MAX_STATUS];
 };

 enum {
 	CMD_VERSION,			/* cmd_len = 2	stat_len = 1 */
 	CMD_SUPPORTED,			/* cmd_len = 1	stat_len = 4 */
 	CMD_TEST_IT,			/* cmd_len = 1	stat_len = 1 */
 	CMD_SEND_IRQA,			/* cmd_len = 1	stat_len = 0 */
 	CMD_ACCESS_IO_WRITE,		/* cmd_len >= 1	stat_len >= 1 */
 	CMD_ACCESS_IO_READ,		/* cmd_len >= 1	stat_len >= 1 */
 	CMD_ASYNC,			/* cmd_len = 1	stat_len = 1 */
 	CMD_MODIFY_CLOCK,		/* cmd_len = 3	stat_len = 0 */
 	CMD_RESYNC_AUDIO_INPUTS,	/* cmd_len = 1	stat_len = 0 */
 	CMD_GET_DSP_RESOURCES,		/* cmd_len = 1	stat_len = 4 */
 	CMD_SET_TIMER_INTERRUPT,	/* cmd_len = 1	stat_len = 0 */
 	CMD_RES_PIPE,			/* cmd_len >=2	stat_len = 0 */
 	CMD_FREE_PIPE,			/* cmd_len = 1	stat_len = 0 */
 	CMD_CONF_PIPE,			/* cmd_len = 2	stat_len = 0 */
 	CMD_STOP_PIPE,			/* cmd_len = 1	stat_len = 0 */
 	CMD_PIPE_SAMPLE_COUNT,		/* cmd_len = 2	stat_len = 2 */
 	CMD_CAN_START_PIPE,		/* cmd_len >= 1	stat_len = 1 */
 	CMD_START_STREAM,		/* cmd_len = 2	stat_len = 0 */
 	CMD_STREAM_OUT_LEVEL_ADJUST,	/* cmd_len >= 1	stat_len = 0 */
 	CMD_STOP_STREAM,		/* cmd_len = 2	stat_len = 0 */
 	CMD_UPDATE_R_BUFFERS,		/* cmd_len = 4	stat_len = 0 */
 	CMD_FORMAT_STREAM_OUT,		/* cmd_len >= 2	stat_len = 0 */
 	CMD_FORMAT_STREAM_IN,		/* cmd_len >= 4	stat_len = 0 */
 	CMD_STREAM_SAMPLE_COUNT,	/* cmd_len = 2	stat_len = (2 * nb_stream) */
 	CMD_AUDIO_LEVEL_ADJUST,		/* cmd_len = 3	stat_len = 0 */
 	CMD_LAST_INDEX
 };

 #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

 /*
  init the rmh struct; by default cmd_len is set to 1
  */
 void pcxhr_init_rmh(struct pcxhr_rmh *rmh, int cmd);

 void pcxhr_set_pipe_cmd_params(struct pcxhr_rmh* rmh, int capture, unsigned int param1,
 			       unsigned int param2, unsigned int param3);

 #define DSP_EXT_CMD_SET(x) (x->dsp_version > 0x012800)

 /*
  send the rmh
  */
 int pcxhr_send_msg(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh);


 /* values used for CMD_ACCESS_IO_WRITE and CMD_ACCESS_IO_READ */
 #define IO_NUM_REG_CONT			0
 #define IO_NUM_REG_GENCLK		1
 #define IO_NUM_REG_MUTE_OUT		2
 #define IO_NUM_SPEED_RATIO		4
 #define IO_NUM_REG_STATUS		5
 #define IO_NUM_REG_CUER			10
 #define IO_NUM_UER_CHIP_REG		11
 #define IO_NUM_REG_CONFIG_SRC		12
 #define IO_NUM_REG_OUT_ANA_LEVEL	20
 #define IO_NUM_REG_IN_ANA_LEVEL		21


 #define REG_CONT_UNMUTE_INPUTS		0x020000

 /* parameters used with register IO_NUM_REG_STATUS */
 #define REG_STATUS_OPTIONS		0
 #define REG_STATUS_AES_SYNC		8
 #define REG_STATUS_AES_1		9
 #define REG_STATUS_AES_2		10
 #define REG_STATUS_AES_3		11
 #define REG_STATUS_AES_4		12
 #define REG_STATUS_WORD_CLOCK		13
 #define REG_STATUS_INTER_SYNC		14
 #define REG_STATUS_CURRENT		0x80
 /* results */
 #define REG_STATUS_OPT_NO_VIDEO_SIGNAL	0x01
 #define REG_STATUS_OPT_DAUGHTER_MASK	0x1c
 #define REG_STATUS_OPT_ANALOG_BOARD	0x00
 #define REG_STATUS_OPT_NO_DAUGHTER	0x1c
 #define REG_STATUS_OPT_COMPANION_MASK	0xe0
 #define REG_STATUS_OPT_NO_COMPANION	0xe0
 #define REG_STATUS_SYNC_32000		0x00
 #define REG_STATUS_SYNC_44100		0x01
 #define REG_STATUS_SYNC_48000		0x02
 #define REG_STATUS_SYNC_64000		0x03
 #define REG_STATUS_SYNC_88200		0x04
 #define REG_STATUS_SYNC_96000		0x05
 #define REG_STATUS_SYNC_128000		0x06
 #define REG_STATUS_SYNC_176400		0x07
 #define REG_STATUS_SYNC_192000		0x08

 int pcxhr_set_pipe_state(struct pcxhr_mgr *mgr, int playback_mask, int capture_mask, int start);

 int pcxhr_write_io_num_reg_cont(struct pcxhr_mgr *mgr, unsigned int mask,
 				unsigned int value, int *changed);

 /* codec parameters */
 #define CS8416_RUN		0x200401
 #define CS8416_FORMAT_DETECT	0x200b00
 #define CS8416_CSB0		0x201900
 #define CS8416_CSB1		0x201a00
 #define CS8416_CSB2		0x201b00
 #define CS8416_CSB3		0x201c00
 #define CS8416_CSB4		0x201d00
 #define CS8416_VERSION		0x207f00

 #define CS8420_DATA_FLOW_CTL	0x200301
 #define CS8420_CLOCK_SRC_CTL	0x200401
 #define CS8420_RECEIVER_ERRORS	0x201000
 #define CS8420_SRC_RATIO	0x201e00
 #define CS8420_CSB0		0x202000
 #define CS8420_CSB1		0x202100
 #define CS8420_CSB2		0x202200
 #define CS8420_CSB3		0x202300
 #define CS8420_CSB4		0x202400
 #define CS8420_VERSION		0x207f00

 #define CS4271_MODE_CTL_1	0x200101
 #define CS4271_DAC_CTL		0x200201
 #define CS4271_VOLMIX		0x200301
 #define CS4271_VOLMUTE_LEFT	0x200401
 #define CS4271_VOLMUTE_RIGHT	0x200501
 #define CS4271_ADC_CTL		0x200601
 #define CS4271_MODE_CTL_2	0x200701

 #define CHIP_SIG_AND_MAP_SPI	0xff7f00

 /* codec selection */
 #define CS4271_01_CS		0x160018
 #define CS4271_23_CS		0x160019
 #define CS4271_45_CS		0x16001a
 #define CS4271_67_CS		0x16001b
 #define CS4271_89_CS		0x16001c
 #define CS4271_AB_CS		0x16001d
 #define CS8420_01_CS		0x080090
 #define CS8420_23_CS		0x080092
 #define CS8420_45_CS		0x080094
 #define CS8420_67_CS		0x080096
 #define CS8416_01_CS		0x080098


 /* interrupt handling */
 irqreturn_t pcxhr_interrupt(int irq, void *dev_id);
 void pcxhr_msg_tasklet(unsigned long arg);

 #endif /* __SOUND_PCXHR_CORE_H */
	/*
	* Driver for Digigram pcxhr compatible soundcards
	*
	* low level interface with interrupt ans message handling
	*
	* Copyright (c) 2004 by Digigram <alsa@digigram.com>
	*
	* 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_PCXHR_CORE_H
	#define __SOUND_PCXHR_CORE_H

	struct firmware;
	struct pcxhr_mgr;

	/* init and firmware download commands */
	void pcxhr_reset_xilinx_com(struct pcxhr_mgr *mgr);
	void pcxhr_reset_dsp(struct pcxhr_mgr *mgr);
	void pcxhr_enable_dsp(struct pcxhr_mgr *mgr);
	int pcxhr_load_xilinx_binary(struct pcxhr_mgr mgr, const struct firmware xilinx, int second);
	int pcxhr_load_eeprom_binary(struct pcxhr_mgr mgr, const struct firmware eeprom);
	int pcxhr_load_boot_binary(struct pcxhr_mgr mgr, const struct firmware boot);
	int pcxhr_load_dsp_binary(struct pcxhr_mgr mgr, const struct firmware dsp);

	/* DSP time available on MailBox4 register : 24 bit time samples() */
	#define PCXHR_DSP_TIME_MASK 0x00ffffff
	#define PCXHR_DSP_TIME_INVALID 0x10000000


	#define PCXHR_SIZE_MAX_CMD 8
	#define PCXHR_SIZE_MAX_STATUS 16
	#define PCXHR_SIZE_MAX_LONG_STATUS 256

	struct pcxhr_rmh {
	u16 cmd_len; /* length of the command to send (WORDs) */
	u16 stat_len; /* length of the status received (WORDs) */
	u16 dsp_stat; /* status type, RMP_SSIZE_XXX */
	u16 cmd_idx; /* index of the command */
	u32 cmd[PCXHR_SIZE_MAX_CMD];
	u32 stat[PCXHR_SIZE_MAX_STATUS];
	};

	enum {
	CMD_VERSION, /* cmd_len = 2 stat_len = 1 */
	CMD_SUPPORTED, /* cmd_len = 1 stat_len = 4 */
	CMD_TEST_IT, /* cmd_len = 1 stat_len = 1 */
	CMD_SEND_IRQA, /* cmd_len = 1 stat_len = 0 */
	CMD_ACCESS_IO_WRITE, /* cmd_len >= 1 stat_len >= 1 */
	CMD_ACCESS_IO_READ, /* cmd_len >= 1 stat_len >= 1 */
	CMD_ASYNC, /* cmd_len = 1 stat_len = 1 */
	CMD_MODIFY_CLOCK, /* cmd_len = 3 stat_len = 0 */
	CMD_RESYNC_AUDIO_INPUTS, /* cmd_len = 1 stat_len = 0 */
	CMD_GET_DSP_RESOURCES, /* cmd_len = 1 stat_len = 4 */
	CMD_SET_TIMER_INTERRUPT, /* cmd_len = 1 stat_len = 0 */
	CMD_RES_PIPE, /* cmd_len >=2 stat_len = 0 */
	CMD_FREE_PIPE, /* cmd_len = 1 stat_len = 0 */
	CMD_CONF_PIPE, /* cmd_len = 2 stat_len = 0 */
	CMD_STOP_PIPE, /* cmd_len = 1 stat_len = 0 */
	CMD_PIPE_SAMPLE_COUNT, /* cmd_len = 2 stat_len = 2 */
	CMD_CAN_START_PIPE, /* cmd_len >= 1 stat_len = 1 */
	CMD_START_STREAM, /* cmd_len = 2 stat_len = 0 */
	CMD_STREAM_OUT_LEVEL_ADJUST, /* cmd_len >= 1 stat_len = 0 */
	CMD_STOP_STREAM, /* cmd_len = 2 stat_len = 0 */
	CMD_UPDATE_R_BUFFERS, /* cmd_len = 4 stat_len = 0 */
	CMD_FORMAT_STREAM_OUT, /* cmd_len >= 2 stat_len = 0 */
	CMD_FORMAT_STREAM_IN, /* cmd_len >= 4 stat_len = 0 */
	CMD_STREAM_SAMPLE_COUNT, /* cmd_len = 2 stat_len = (2 * nb_stream) */
	CMD_AUDIO_LEVEL_ADJUST, /* cmd_len = 3 stat_len = 0 */
	CMD_LAST_INDEX
	};

	#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

	/*
	init the rmh struct; by default cmd_len is set to 1
	*/
	void pcxhr_init_rmh(struct pcxhr_rmh *rmh, int cmd);

	void pcxhr_set_pipe_cmd_params(struct pcxhr_rmh* rmh, int capture, unsigned int param1,
	unsigned int param2, unsigned int param3);

	#define DSP_EXT_CMD_SET(x) (x->dsp_version > 0x012800)

	/*
	send the rmh
	*/
	int pcxhr_send_msg(struct pcxhr_mgr mgr, struct pcxhr_rmh rmh);


	/* values used for CMD_ACCESS_IO_WRITE and CMD_ACCESS_IO_READ */
	#define IO_NUM_REG_CONT 0
	#define IO_NUM_REG_GENCLK 1
	#define IO_NUM_REG_MUTE_OUT 2
	#define IO_NUM_SPEED_RATIO 4
	#define IO_NUM_REG_STATUS 5
	#define IO_NUM_REG_CUER 10
	#define IO_NUM_UER_CHIP_REG 11
	#define IO_NUM_REG_CONFIG_SRC 12
	#define IO_NUM_REG_OUT_ANA_LEVEL 20
	#define IO_NUM_REG_IN_ANA_LEVEL 21


	#define REG_CONT_UNMUTE_INPUTS 0x020000

	/* parameters used with register IO_NUM_REG_STATUS */
	#define REG_STATUS_OPTIONS 0
	#define REG_STATUS_AES_SYNC 8
	#define REG_STATUS_AES_1 9
	#define REG_STATUS_AES_2 10
	#define REG_STATUS_AES_3 11
	#define REG_STATUS_AES_4 12
	#define REG_STATUS_WORD_CLOCK 13
	#define REG_STATUS_INTER_SYNC 14
	#define REG_STATUS_CURRENT 0x80
	/* results */
	#define REG_STATUS_OPT_NO_VIDEO_SIGNAL 0x01
	#define REG_STATUS_OPT_DAUGHTER_MASK 0x1c
	#define REG_STATUS_OPT_ANALOG_BOARD 0x00
	#define REG_STATUS_OPT_NO_DAUGHTER 0x1c
	#define REG_STATUS_OPT_COMPANION_MASK 0xe0
	#define REG_STATUS_OPT_NO_COMPANION 0xe0
	#define REG_STATUS_SYNC_32000 0x00
	#define REG_STATUS_SYNC_44100 0x01
	#define REG_STATUS_SYNC_48000 0x02
	#define REG_STATUS_SYNC_64000 0x03
	#define REG_STATUS_SYNC_88200 0x04
	#define REG_STATUS_SYNC_96000 0x05
	#define REG_STATUS_SYNC_128000 0x06
	#define REG_STATUS_SYNC_176400 0x07
	#define REG_STATUS_SYNC_192000 0x08

	int pcxhr_set_pipe_state(struct pcxhr_mgr *mgr, int playback_mask, int capture_mask, int start);

	int pcxhr_write_io_num_reg_cont(struct pcxhr_mgr *mgr, unsigned int mask,
	unsigned int value, int *changed);

	/* codec parameters */
	#define CS8416_RUN 0x200401
	#define CS8416_FORMAT_DETECT 0x200b00
	#define CS8416_CSB0 0x201900
	#define CS8416_CSB1 0x201a00
	#define CS8416_CSB2 0x201b00
	#define CS8416_CSB3 0x201c00
	#define CS8416_CSB4 0x201d00
	#define CS8416_VERSION 0x207f00

	#define CS8420_DATA_FLOW_CTL 0x200301
	#define CS8420_CLOCK_SRC_CTL 0x200401
	#define CS8420_RECEIVER_ERRORS 0x201000
	#define CS8420_SRC_RATIO 0x201e00
	#define CS8420_CSB0 0x202000
	#define CS8420_CSB1 0x202100
	#define CS8420_CSB2 0x202200
	#define CS8420_CSB3 0x202300
	#define CS8420_CSB4 0x202400
	#define CS8420_VERSION 0x207f00

	#define CS4271_MODE_CTL_1 0x200101
	#define CS4271_DAC_CTL 0x200201
	#define CS4271_VOLMIX 0x200301
	#define CS4271_VOLMUTE_LEFT 0x200401
	#define CS4271_VOLMUTE_RIGHT 0x200501
	#define CS4271_ADC_CTL 0x200601
	#define CS4271_MODE_CTL_2 0x200701

	#define CHIP_SIG_AND_MAP_SPI 0xff7f00

	/* codec selection */
	#define CS4271_01_CS 0x160018
	#define CS4271_23_CS 0x160019
	#define CS4271_45_CS 0x16001a
	#define CS4271_67_CS 0x16001b
	#define CS4271_89_CS 0x16001c
	#define CS4271_AB_CS 0x16001d
	#define CS8420_01_CS 0x080090
	#define CS8420_23_CS 0x080092
	#define CS8420_45_CS 0x080094
	#define CS8420_67_CS 0x080096
	#define CS8416_01_CS 0x080098


	/* interrupt handling */
	irqreturn_t pcxhr_interrupt(int irq, void *dev_id);
	void pcxhr_msg_tasklet(unsigned long arg);

	#endif /* __SOUND_PCXHR_CORE_H */