MAJOR=4
MINOR=16
DEVNAME=tty16
     ˆÀÅƒuöŸ_†I|¥�+ÀÄ     /* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __SOUND_WSS_H
#define __SOUND_WSS_H

/*
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 *  Definitions for CS4231 & InterWave chips & compatible chips
 */

#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/timer.h>

#include <sound/cs4231-regs.h>

/* defines for codec.mode */

#define WSS_MODE_NONE	0x0000
#define WSS_MODE_PLAY	0x0001
#define WSS_MODE_RECORD	0x0002
#define WSS_MODE_TIMER	0x0004
#define WSS_MODE_OPEN	(WSS_MODE_PLAY|WSS_MODE_RECORD|WSS_MODE_TIMER)

/* defines for codec.hardware */

#define WSS_HW_DETECT        0x0000	/* let CS4231 driver detect chip */
#define WSS_HW_DETECT3	0x0001	/* allow mode 3 */
#define WSS_HW_TYPE_MASK	0xff00	/* type mask */
#define WSS_HW_CS4231_MASK   0x0100	/* CS4231 serie */
#define WSS_HW_CS4231        0x0100	/* CS4231 chip */
#define WSS_HW_CS4231A       0x0101	/* CS4231A chip */
#define WSS_HW_AD1845	0x0102	/* AD1845 chip */
#define WSS_HW_CS4232_MASK   0x0200	/* CS4232 serie (has control ports) */
#define WSS_HW_CS4232        0x0200	/* CS4232 */
#define WSS_HW_CS4232A       0x0201	/* CS4232A */
#define WSS_HW_CS4236	0x0202	/* CS4236 */
#define WSS_HW_CS4236B_MASK	0x0400	/* CS4236B serie (has extended control regs) */
#define WSS_HW_CS4235	0x0400	/* CS4235 - Crystal Clear (tm) stereo enhancement */
#define WSS_HW_CS4236B       0x0401	/* CS4236B */
#define WSS_HW_CS4237B       0x0402	/* CS4237B - SRS 3D */
#define WSS_HW_CS4238B	0x0403	/* CS4238B - QSOUND 3D */
#define WSS_HW_CS4239	0x0404	/* CS4239 - Crystal Clear (tm) stereo enhancement */
#define WSS_HW_AD1848_MASK	0x0800	/* AD1848 serie (half duplex) */
#define WSS_HW_AD1847		0x0801	/* AD1847 chip */
#define WSS_HW_AD1848		0x0802	/* AD1848 chip */
#define WSS_HW_CS4248		0x0803	/* CS4248 chip */
#define WSS_HW_CMI8330		0x0804	/* CMI8330 chip */
#define WSS_HW_THINKPAD		0x0805	/* Thinkpad 360/750/755 */
/* compatible, but clones */
#define WSS_HW_INTERWAVE     0x1000	/* InterWave chip */
#define WSS_HW_OPL3SA2       0x1101	/* OPL3-SA2 chip, similar to cs4231 */
#define WSS_HW_OPTI93X 	0x1102	/* Opti 930/931/933 */

/* defines for codec.hwshare */
#define WSS_HWSHARE_IRQ	(1<<0)
#define WSS_HWSHARE_DMA1	(1<<1)
#define WSS_HWSHARE_DMA2	(1<<2)

/* IBM Thinkpad specific stuff */
#define AD1848_THINKPAD_CTL_PORT1		0x15e8
#define AD1848_THINKPAD_CTL_PORT2		0x15e9
#define AD1848_THINKPAD_CS4248_ENABLE_BIT	0x02

struct snd_wss {
	unsigned long port;		/* base i/o port */
	struct resource *res_port;
	unsigned long cport;		/* control base i/o port (CS4236) */
	struct resource *res_cport;
	int irq;			/* IRQ line */
	int dma1;			/* playback DMA */
	int dma2;			/* record DMA */
	unsigned short version;		/* version of CODEC chip */
	unsigned short mode;		/* see to WSS_MODE_XXXX */
	unsigned short hardware;	/* see to WSS_HW_XXXX */
	unsigned short hwshare;		/* shared resources */
	unsigned short single_dma:1,	/* forced single DMA mode (GUS 16-bit */
					/* daughter board) or dma1 == dma2 */
		       ebus_flag:1,	/* SPARC: EBUS present */
		       thinkpad_flag:1;	/* Thinkpad CS4248 needs extra help */

	struct snd_card *card;
	struct snd_pcm *pcm;
	struct snd_pcm_substream *playback_substream;
	struct snd_pcm_substream *capture_substream;
	struct snd_timer *timer;

	unsigned char image[32];	/* registers image */
	unsigned char eimage[32];	/* extended registers image */
	unsigned char cimage[16];	/* control registers image */
	int mce_bit;
	int calibrate_mute;
	int sw_3d_bit;
	unsigned int p_dma_size;
	unsigned int c_dma_size;

	spinlock_t reg_lock;
	struct mutex mce_mutex;
	struct mutex open_mutex;

	int (*rate_constraint) (struct snd_pcm_runtime *runtime);
	void (*set_playback_format) (struct snd_wss *chip,
				     struct snd_pcm_hw_params *hw_params,
				     unsigned char pdfr);
	void (*set_capture_format) (struct snd_wss *chip,
				    struct snd_pcm_hw_params *hw_params,
				    unsigned char cdfr);
	void (*trigger) (struct snd_wss *chip, unsigned int what, int start);
#ifdef CONFIG_PM
	void 