[mirror_ubuntu-zesty-kernel.git] / sound / pci / au88x0 / au88x0.h

/*
 *  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 Library 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_AU88X0_H
#define __SOUND_AU88X0_H

#ifdef __KERNEL__
#include <linux/pci.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/rawmidi.h>
#include <sound/mpu401.h>
#include <sound/hwdep.h>
#include <sound/ac97_codec.h>
#include <sound/tlv.h>
#endif

#ifndef CHIP_AU8820
#include "au88x0_eq.h"
#include "au88x0_a3d.h"
#endif
#ifndef CHIP_AU8810
#include "au88x0_wt.h"
#endif

#define	hwread(x,y) readl((x)+(y))
#define	hwwrite(x,y,z) writel((z),(x)+(y))

/* Vortex MPU401 defines. */
#define	MIDI_CLOCK_DIV		0x61
/* Standart MPU401 defines. */
#define	MPU401_RESET		0xff
#define	MPU401_ENTER_UART	0x3f
#define	MPU401_ACK		0xfe

// Get src register value to convert from x to y.
#define	SRC_RATIO(x,y)		((((x<<15)/y) + 1)/2)

/* FIFO software state constants. */
#define FIFO_STOP 0
#define FIFO_START 1
#define FIFO_PAUSE 2

/* IRQ flags */
#define IRQ_ERR_MASK	0x00ff
#define IRQ_FATAL	0x0001
#define IRQ_PARITY	0x0002
#define IRQ_REG		0x0004
#define IRQ_FIFO	0x0008
#define IRQ_DMA		0x0010
#define IRQ_PCMOUT	0x0020	/* PCM OUT page crossing */
#define IRQ_TIMER	0x1000
#define IRQ_MIDI	0x2000
#define IRQ_MODEM	0x4000

/* ADB Resource */
#define VORTEX_RESOURCE_DMA	0x00000000
#define VORTEX_RESOURCE_SRC	0x00000001
#define VORTEX_RESOURCE_MIXIN	0x00000002
#define VORTEX_RESOURCE_MIXOUT	0x00000003
#define VORTEX_RESOURCE_A3D	0x00000004
#define VORTEX_RESOURCE_LAST	0x00000005

/* codec io: VORTEX_CODEC_IO bits */
#define VORTEX_CODEC_ID_SHIFT	24
#define VORTEX_CODEC_WRITE	0x00800000
#define VORTEX_CODEC_ADDSHIFT 	16
#define VORTEX_CODEC_ADDMASK	0x7f0000
#define VORTEX_CODEC_DATSHIFT	0
#define VORTEX_CODEC_DATMASK	0xffff

/* Check for SDAC bit in "Extended audio ID" AC97 register */
//#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ?  0 : ((x)->codec->ext_id&0x80))
#define VORTEX_IS_QUAD(x) ((x)->isquad)
/* Check if chip has bug. */
#define IS_BAD_CHIP(x) (\
	(x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) || \
	(x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE))


/* PCM devices */
#define VORTEX_PCM_ADB		0
#define VORTEX_PCM_SPDIF	1
#define VORTEX_PCM_A3D		2
#define VORTEX_PCM_WT		3
#define VORTEX_PCM_I2S		4
#define VORTEX_PCM_LAST		5

#define MIX_CAPT(x) (vortex->mixcapt[x])
#define MIX_PLAYB(x) (vortex->mixplayb[x])
#define MIX_SPDIF(x) (vortex->mixspdif[x])

#define NR_WTPB 0x20		/* WT channels per each bank. */
#define NR_PCM	0x10

struct pcm_vol {
	struct snd_kcontrol *kctl;
	int active;
	int dma;
	int mixin[4];
	int vol[4];
};

/* Structs */
typedef struct {
	//int this_08;          /* Still unknown */
	int fifo_enabled;	/* this_24 */
	int fifo_status;	/* this_1c */
	u32 dma_ctrl;		/* this_78 (ADB), this_7c (WT) */
	int dma_unknown;	/* this_74 (ADB), this_78 (WT). WDM: +8 */
	int cfg0;
	int cfg1;

	int nr_ch;		/* Nr of PCM channels in use */
	int type;		/* Output type (ac97, a3d, spdif, i2s, dsp) */
	int dma;		/* Hardware DMA index. */
	int dir;		/* Stream Direction. */
	u32 resources[5];

	/* Virtual page extender stuff */
	int nr_periods;
	int period_bytes;
	int period_real;
	int period_virt;

	struct snd_pcm_substream *substream;
} stream_t;

typedef struct snd_vortex vortex_t;
struct snd_vortex {
	/* ALSA structs. */
	struct snd_card *card;
	struct snd_pcm *pcm[VORTEX_PCM_LAST];

	struct snd_rawmidi *rmidi;	/* Legacy Midi interface. */
	struct snd_ac97 *codec;

	/* Stream structs. */
	stream_t dma_adb[NR_ADB];
	int spdif_sr;
#ifndef CHIP_AU8810
	stream_t dma_wt[NR_WT];
	wt_voice_t wt_voice[NR_WT];	/* WT register cache. */
	char mixwt[(NR_WT / NR_WTPB) * 6];	/* WT mixin objects */
#endif

	/* Global resources */
	s8 mixcapt[2];
	s8 mixplayb[4];
#ifndef CHIP_AU8820
	s8 mixspdif[2];
	s8 mixa3d[2];	/* mixers which collect all a3d streams. */
	s8 mixxtlk[2];	/* crosstalk canceler mixer inputs. */
#endif
	u32 fixed_res[5];

#ifndef CHIP_AU8820
	/* Hardware equalizer structs */
	eqlzr_t eq;
	/* A3D structs */
	a3dsrc_t a3d[NR_A3D];
	/* Xtalk canceler */
	int xt_mode;		/* 1: speakers, 0:headphones. */
#endif
	struct pcm_vol pcm_vol[NR_PCM];

	int isquad;		/* cache of extended ID codec flag. */

	/* Gameport stuff. */
	struct gameport *gameport;

	/* PCI hardware resources */
	unsigned long io;
	void __iomem *mmio;
	unsigned int irq;
	spinlock_t lock;

	/* PCI device */
	struct pci_dev *pci_dev;
	u16 vendor;
	u16 device;
	u8 rev;
};

/* Functions. */

/* SRC */
static void vortex_adb_setsrc(vortex_t * vortex, int adbdma,
			      unsigned int cvrt, int dir);

/* DMA Engines. */
static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma,
				     int size, int count);
static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie,
				  int dir, int fmt, int d,
				  u32 offset);
static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb);
#ifndef CHIP_AU8810
static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma,
				    int size, int count);
static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d,	/*int e, */
				 u32 offset);
static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb);
#endif

static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma);
//static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma);
static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma);
static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma);
static inline int vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma);
static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma);

#ifndef CHIP_AU8810
static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma);
static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma);
static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma);
static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma);
static inline int vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma);
#endif

/* global stuff. */
static void vortex_codec_init(vortex_t * vortex);
static void vortex_codec_write(struct snd_ac97 * codec, unsigned short addr,
			       unsigned short data);
static unsigned short vortex_codec_read(struct snd_ac97 * codec, unsigned short addr);
static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode);

static int vortex_core_init(vortex_t * card);
static int vortex_core_shutdown(vortex_t * card);
static void vortex_enable_int(vortex_t * card);
static irqreturn_t vortex_interrupt(int irq, void *dev_id);
static int vortex_alsafmt_aspfmt(int alsafmt, vortex_t *v);

/* Connection  stuff. */
static void vortex_connect_default(vortex_t * vortex, int en);
static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch,
				 int dir, int type, int subdev);
static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out,
				  int restype);
#ifndef CHIP_AU8810
static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch);
static void vortex_wt_connect(vortex_t * vortex, int en);
static void vortex_wt_init(vortex_t * vortex);
#endif

static void vortex_route(vortex_t * vortex, int en, unsigned char channel,
			 unsigned char source, unsigned char dest);
#if 0
static void vortex_routes(vortex_t * vortex, int en, unsigned char channel,
			  unsigned char source, unsigned char dest0,
			  unsigned char dest1);
#endif
static void vortex_connection_mixin_mix(vortex_t * vortex, int en,
					unsigned char mixin,
					unsigned char mix, int a);
static void vortex_mix_setinputvolumebyte(vortex_t * vortex,
					  unsigned char mix, int mixin,
					  unsigned char vol);
static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix,
				     unsigned char vol);

/* A3D functions. */
#ifndef CHIP_AU8820
static void vortex_Vort3D_enable(vortex_t * v);
static void vortex_Vort3D_disable(vortex_t * v);
static void vortex_Vort3D_connect(vortex_t * vortex, int en);
static void vortex_Vort3D_InitializeSource(a3dsrc_t *a, int en, vortex_t *v);
#endif

/* Driver stuff. */
static int vortex_gameport_register(vortex_t * card);
static void vortex_gameport_unregister(vortex_t * card);
#ifndef CHIP_AU8820
static int vortex_eq_init(vortex_t * vortex);
static int vortex_eq_free(vortex_t * vortex);
#endif
/* ALSA stuff. */
static int snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr);
static int snd_vortex_mixer(vortex_t * vortex);
static int snd_vortex_midi(vortex_t * vortex);
#endif
Commit	Line	Data
1da177e4 LT	1	/*
	2	* This program is free software; you can redistribute it and/or modify
	3	* it under the terms of the GNU General Public License as published by
	4	* the Free Software Foundation; either version 2 of the License, or
	5	* (at your option) any later version.
	6	*
	7	* This program is distributed in the hope that it will be useful,
	8	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	9	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	10	* GNU Library General Public License for more details.
	11	*
	12	* You should have received a copy of the GNU General Public License
	13	* along with this program; if not, write to the Free Software
	14	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	15	*/
	16
	17	#ifndef __SOUND_AU88X0_H
	18	#define __SOUND_AU88X0_H
	19
	20	#ifdef __KERNEL__
1da177e4	21	#include <linux/pci.h>
6cbbfe1c	22	#include <linux/io.h>
1da177e4 LT	23	#include <sound/core.h>
	24	#include <sound/pcm.h>
	25	#include <sound/rawmidi.h>
	26	#include <sound/mpu401.h>
	27	#include <sound/hwdep.h>
	28	#include <sound/ac97_codec.h>
bb92b7c4	29	#include <sound/tlv.h>
1da177e4 LT	30	#endif
	31
	32	#ifndef CHIP_AU8820
	33	#include "au88x0_eq.h"
	34	#include "au88x0_a3d.h"
	35	#endif
	36	#ifndef CHIP_AU8810
	37	#include "au88x0_wt.h"
	38	#endif
	39
97c67b65 TI	40	#define hwread(x,y) readl((x)+(y))
97c67b65 TI	41	#define hwwrite(x,y,z) writel((z),(x)+(y))
1da177e4 LT	42
	43	/* Vortex MPU401 defines. */
	44	#define MIDI_CLOCK_DIV 0x61
	45	/* Standart MPU401 defines. */
	46	#define MPU401_RESET 0xff
	47	#define MPU401_ENTER_UART 0x3f
	48	#define MPU401_ACK 0xfe
	49
	50	// Get src register value to convert from x to y.
	51	#define SRC_RATIO(x,y) ((((x<<15)/y) + 1)/2)
	52
	53	/* FIFO software state constants. */
	54	#define FIFO_STOP 0
	55	#define FIFO_START 1
	56	#define FIFO_PAUSE 2
	57
	58	/* IRQ flags */
	59	#define IRQ_ERR_MASK 0x00ff
	60	#define IRQ_FATAL 0x0001
	61	#define IRQ_PARITY 0x0002
	62	#define IRQ_REG 0x0004
	63	#define IRQ_FIFO 0x0008
	64	#define IRQ_DMA 0x0010
	65	#define IRQ_PCMOUT 0x0020 /* PCM OUT page crossing */
	66	#define IRQ_TIMER 0x1000
	67	#define IRQ_MIDI 0x2000
	68	#define IRQ_MODEM 0x4000
	69
	70	/* ADB Resource */
	71	#define VORTEX_RESOURCE_DMA 0x00000000
	72	#define VORTEX_RESOURCE_SRC 0x00000001
	73	#define VORTEX_RESOURCE_MIXIN 0x00000002
	74	#define VORTEX_RESOURCE_MIXOUT 0x00000003
	75	#define VORTEX_RESOURCE_A3D 0x00000004
	76	#define VORTEX_RESOURCE_LAST 0x00000005
	77
f2b31737 SK	78	/* codec io: VORTEX_CODEC_IO bits */
	79	#define VORTEX_CODEC_ID_SHIFT 24
	80	#define VORTEX_CODEC_WRITE 0x00800000
	81	#define VORTEX_CODEC_ADDSHIFT 16
	82	#define VORTEX_CODEC_ADDMASK 0x7f0000
	83	#define VORTEX_CODEC_DATSHIFT 0
	84	#define VORTEX_CODEC_DATMASK 0xffff
	85
1da177e4 LT	86	/* Check for SDAC bit in "Extended audio ID" AC97 register */
	87	//#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ? 0 : ((x)->codec->ext_id&0x80))
	88	#define VORTEX_IS_QUAD(x) ((x)->isquad)
	89	/* Check if chip has bug. */
	90	#define IS_BAD_CHIP(x) (\
	91	(x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) \|\| \
	92	(x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE))
	93
	94
	95	/* PCM devices */
	96	#define VORTEX_PCM_ADB 0
	97	#define VORTEX_PCM_SPDIF 1
	98	#define VORTEX_PCM_A3D 2
	99	#define VORTEX_PCM_WT 3
	100	#define VORTEX_PCM_I2S 4
	101	#define VORTEX_PCM_LAST 5
	102
	103	#define MIX_CAPT(x) (vortex->mixcapt[x])
	104	#define MIX_PLAYB(x) (vortex->mixplayb[x])
	105	#define MIX_SPDIF(x) (vortex->mixspdif[x])
	106
25985edc	107	#define NR_WTPB 0x20 /* WT channels per each bank. */
49b9c40e	108	#define NR_PCM 0x10
1da177e4	109
bb92b7c4 RY	110	struct pcm_vol {
	111	struct snd_kcontrol *kctl;
	112	int active;
	113	int dma;
	114	int mixin[4];
	115	int vol[4];
	116	};
	117
1da177e4 LT	118	/* Structs */
	119	typedef struct {
	120	//int this_08; /* Still unknown */
	121	int fifo_enabled; /* this_24 */
	122	int fifo_status; /* this_1c */
97c67b65	123	u32 dma_ctrl; /* this_78 (ADB), this_7c (WT) */
1da177e4 LT	124	int dma_unknown; /* this_74 (ADB), this_78 (WT). WDM: +8 */
	125	int cfg0;
	126	int cfg1;
	127
	128	int nr_ch; /* Nr of PCM channels in use */
	129	int type; /* Output type (ac97, a3d, spdif, i2s, dsp) */
	130	int dma; /* Hardware DMA index. */
	131	int dir; /* Stream Direction. */
	132	u32 resources[5];
	133
	134	/* Virtual page extender stuff */
	135	int nr_periods;
	136	int period_bytes;
1da177e4 LT	137	int period_real;
	138	int period_virt;
	139
2fd16874	140	struct snd_pcm_substream *substream;
1da177e4 LT	141	} stream_t;
	142
	143	typedef struct snd_vortex vortex_t;
	144	struct snd_vortex {
	145	/* ALSA structs. */
2fd16874 TI	146	struct snd_card *card;
2fd16874 TI	147	struct snd_pcm *pcm[VORTEX_PCM_LAST];
1da177e4	148
2fd16874 TI	149	struct snd_rawmidi rmidi; / Legacy Midi interface. */
2fd16874 TI	150	struct snd_ac97 *codec;
1da177e4 LT	151
	152	/* Stream structs. */
	153	stream_t dma_adb[NR_ADB];
	154	int spdif_sr;
	155	#ifndef CHIP_AU8810
	156	stream_t dma_wt[NR_WT];
	157	wt_voice_t wt_voice[NR_WT]; /* WT register cache. */
	158	char mixwt[(NR_WT / NR_WTPB) * 6]; /* WT mixin objects */
	159	#endif
	160
	161	/* Global resources */
	162	s8 mixcapt[2];
	163	s8 mixplayb[4];
	164	#ifndef CHIP_AU8820
	165	s8 mixspdif[2];
	166	s8 mixa3d[2]; /* mixers which collect all a3d streams. */
	167	s8 mixxtlk[2]; /* crosstalk canceler mixer inputs. */
	168	#endif
	169	u32 fixed_res[5];
	170
	171	#ifndef CHIP_AU8820
	172	/* Hardware equalizer structs */
	173	eqlzr_t eq;
	174	/* A3D structs */
	175	a3dsrc_t a3d[NR_A3D];
	176	/* Xtalk canceler */
	177	int xt_mode; /* 1: speakers, 0:headphones. */
	178	#endif
bb92b7c4	179	struct pcm_vol pcm_vol[NR_PCM];
1da177e4 LT	180
	181	int isquad; /* cache of extended ID codec flag. */
	182
	183	/* Gameport stuff. */
	184	struct gameport *gameport;
	185
	186	/* PCI hardware resources */
	187	unsigned long io;
97c67b65	188	void __iomem *mmio;
1da177e4 LT	189	unsigned int irq;
	190	spinlock_t lock;
	191
	192	/* PCI device */
	193	struct pci_dev *pci_dev;
	194	u16 vendor;
	195	u16 device;
	196	u8 rev;
	197	};
	198
	199	/* Functions. */
	200
	201	/* SRC */
	202	static void vortex_adb_setsrc(vortex_t * vortex, int adbdma,
	203	unsigned int cvrt, int dir);
	204
	205	/* DMA Engines. */
	206	static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma,
77a23f26	207	int size, int count);
1da177e4 LT	208	static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie,
1da177e4 LT	209	int dir, int fmt, int d,
97c67b65	210	u32 offset);
1da177e4 LT	211	static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb);
	212	#ifndef CHIP_AU8810
	213	static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma,
77a23f26	214	int size, int count);
1da177e4	215	static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d, /int e, /
97c67b65	216	u32 offset);
1da177e4 LT	217	static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb);
	218	#endif
	219
	220	static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma);
	221	//static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma);
	222	static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma);
	223	static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma);
42b16b3f	224	static inline int vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma);
1da177e4 LT	225	static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma);
	226
	227	#ifndef CHIP_AU8810
	228	static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma);
	229	static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma);
	230	static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma);
	231	static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma);
42b16b3f	232	static inline int vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma);
1da177e4 LT	233	#endif
	234
	235	/* global stuff. */
	236	static void vortex_codec_init(vortex_t * vortex);
2fd16874	237	static void vortex_codec_write(struct snd_ac97 * codec, unsigned short addr,
1da177e4	238	unsigned short data);
2fd16874	239	static unsigned short vortex_codec_read(struct snd_ac97 * codec, unsigned short addr);
1da177e4 LT	240	static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode);
	241
	242	static int vortex_core_init(vortex_t * card);
	243	static int vortex_core_shutdown(vortex_t * card);
	244	static void vortex_enable_int(vortex_t * card);
7d12e780	245	static irqreturn_t vortex_interrupt(int irq, void *dev_id);
6a40dc5a	246	static int vortex_alsafmt_aspfmt(int alsafmt, vortex_t *v);
1da177e4 LT	247
	248	/* Connection stuff. */
	249	static void vortex_connect_default(vortex_t * vortex, int en);
	250	static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch,
bb92b7c4	251	int dir, int type, int subdev);
1da177e4 LT	252	static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out,
	253	int restype);
	254	#ifndef CHIP_AU8810
	255	static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch);
	256	static void vortex_wt_connect(vortex_t * vortex, int en);
	257	static void vortex_wt_init(vortex_t * vortex);
	258	#endif
	259
	260	static void vortex_route(vortex_t * vortex, int en, unsigned char channel,
	261	unsigned char source, unsigned char dest);
	262	#if 0
	263	static void vortex_routes(vortex_t * vortex, int en, unsigned char channel,
	264	unsigned char source, unsigned char dest0,
	265	unsigned char dest1);
	266	#endif
	267	static void vortex_connection_mixin_mix(vortex_t * vortex, int en,
	268	unsigned char mixin,
	269	unsigned char mix, int a);
	270	static void vortex_mix_setinputvolumebyte(vortex_t * vortex,
	271	unsigned char mix, int mixin,
	272	unsigned char vol);
	273	static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix,
	274	unsigned char vol);
	275
	276	/* A3D functions. */
	277	#ifndef CHIP_AU8820
f40b6890 TI	278	static void vortex_Vort3D_enable(vortex_t * v);
f40b6890 TI	279	static void vortex_Vort3D_disable(vortex_t * v);
1da177e4	280	static void vortex_Vort3D_connect(vortex_t * vortex, int en);
6a40dc5a	281	static void vortex_Vort3D_InitializeSource(a3dsrc_t a, int en, vortex_t v);
1da177e4 LT	282	#endif
	283
	284	/* Driver stuff. */
99e80e4d	285	static int vortex_gameport_register(vortex_t * card);
1da177e4 LT	286	static void vortex_gameport_unregister(vortex_t * card);
1da177e4 LT	287	#ifndef CHIP_AU8820
99e80e4d DS	288	static int vortex_eq_init(vortex_t * vortex);
99e80e4d DS	289	static int vortex_eq_free(vortex_t * vortex);
1da177e4 LT	290	#endif
1da177e4 LT	291	/* ALSA stuff. */
99e80e4d DS	292	static int snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr);
	293	static int snd_vortex_mixer(vortex_t * vortex);
	294	static int snd_vortex_midi(vortex_t * vortex);
1da177e4	295	#endif