sound/pci/au88x0/au88x0.h - maze/linux - Git at Google

 /*
  *  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 <asm/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);

 /* 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);
 #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
	/*
	* 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 <asm/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);

	/* 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);
	#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