294 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			294 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  *  This program is free software; you can redistribute it and/or modify
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|  *  it under the terms of the GNU General Public License as published by
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|  *  the Free Software Foundation; either version 2 of the License, or
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|  *  (at your option) any later version.
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|  *
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|  *  This program is distributed in the hope that it will be useful,
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|  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  *  GNU Library General Public License for more details.
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|  *
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|  *  You should have received a copy of the GNU General Public License
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|  *  along with this program; if not, write to the Free Software
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|  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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|  */
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|  
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| #ifndef __SOUND_AU88X0_H
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| #define __SOUND_AU88X0_H
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| 
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| #include <linux/pci.h>
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| #include <linux/io.h>
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| #include <sound/core.h>
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| #include <sound/pcm.h>
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| #include <sound/rawmidi.h>
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| #include <sound/mpu401.h>
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| #include <sound/hwdep.h>
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| #include <sound/ac97_codec.h>
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| #include <sound/tlv.h>
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| 
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| #ifndef CHIP_AU8820
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| #include "au88x0_eq.h"
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| #include "au88x0_a3d.h"
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| #endif
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| #ifndef CHIP_AU8810
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| #include "au88x0_wt.h"
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| #endif
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| 
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| #define	hwread(x,y) readl((x)+(y))
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| #define	hwwrite(x,y,z) writel((z),(x)+(y))
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| 
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| /* Vortex MPU401 defines. */
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| #define	MIDI_CLOCK_DIV		0x61
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| /* Standart MPU401 defines. */
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| #define	MPU401_RESET		0xff
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| #define	MPU401_ENTER_UART	0x3f
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| #define	MPU401_ACK		0xfe
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| 
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| // Get src register value to convert from x to y.
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| #define	SRC_RATIO(x,y)		((((x<<15)/y) + 1)/2)
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| 
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| /* FIFO software state constants. */
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| #define FIFO_STOP 0
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| #define FIFO_START 1
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| #define FIFO_PAUSE 2
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| 
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| /* IRQ flags */
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| #define IRQ_ERR_MASK	0x00ff
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| #define IRQ_FATAL	0x0001
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| #define IRQ_PARITY	0x0002
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| #define IRQ_REG		0x0004
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| #define IRQ_FIFO	0x0008
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| #define IRQ_DMA		0x0010
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| #define IRQ_PCMOUT	0x0020	/* PCM OUT page crossing */
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| #define IRQ_TIMER	0x1000
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| #define IRQ_MIDI	0x2000
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| #define IRQ_MODEM	0x4000
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| 
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| /* ADB Resource */
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| #define VORTEX_RESOURCE_DMA	0x00000000
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| #define VORTEX_RESOURCE_SRC	0x00000001
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| #define VORTEX_RESOURCE_MIXIN	0x00000002
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| #define VORTEX_RESOURCE_MIXOUT	0x00000003
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| #define VORTEX_RESOURCE_A3D	0x00000004
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| #define VORTEX_RESOURCE_LAST	0x00000005
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| 
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| /* codec io: VORTEX_CODEC_IO bits */
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| #define VORTEX_CODEC_ID_SHIFT	24
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| #define VORTEX_CODEC_WRITE	0x00800000
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| #define VORTEX_CODEC_ADDSHIFT 	16
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| #define VORTEX_CODEC_ADDMASK	0x7f0000
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| #define VORTEX_CODEC_DATSHIFT	0
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| #define VORTEX_CODEC_DATMASK	0xffff
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| 
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| /* Check for SDAC bit in "Extended audio ID" AC97 register */
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| //#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ?  0 : ((x)->codec->ext_id&0x80))
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| #define VORTEX_IS_QUAD(x) ((x)->isquad)
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| /* Check if chip has bug. */
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| #define IS_BAD_CHIP(x) (\
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| 	(x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) || \
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| 	(x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE))
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| 
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| 
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| /* PCM devices */
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| #define VORTEX_PCM_ADB		0
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| #define VORTEX_PCM_SPDIF	1
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| #define VORTEX_PCM_A3D		2
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| #define VORTEX_PCM_WT		3
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| #define VORTEX_PCM_I2S		4
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| #define VORTEX_PCM_LAST		5
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| 
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| #define MIX_CAPT(x) (vortex->mixcapt[x])
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| #define MIX_PLAYB(x) (vortex->mixplayb[x])
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| #define MIX_SPDIF(x) (vortex->mixspdif[x])
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| 
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| #define NR_WTPB 0x20		/* WT channels per each bank. */
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| #define NR_PCM	0x10
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| 
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| struct pcm_vol {
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| 	struct snd_kcontrol *kctl;
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| 	int active;
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| 	int dma;
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| 	int mixin[4];
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| 	int vol[4];
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| };
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| 
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| /* Structs */
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| typedef struct {
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| 	//int this_08;          /* Still unknown */
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| 	int fifo_enabled;	/* this_24 */
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| 	int fifo_status;	/* this_1c */
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| 	u32 dma_ctrl;		/* this_78 (ADB), this_7c (WT) */
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| 	int dma_unknown;	/* this_74 (ADB), this_78 (WT). WDM: +8 */
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| 	int cfg0;
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| 	int cfg1;
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| 
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| 	int nr_ch;		/* Nr of PCM channels in use */
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| 	int type;		/* Output type (ac97, a3d, spdif, i2s, dsp) */
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| 	int dma;		/* Hardware DMA index. */
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| 	int dir;		/* Stream Direction. */
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| 	u32 resources[5];
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| 
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| 	/* Virtual page extender stuff */
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| 	int nr_periods;
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| 	int period_bytes;
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| 	int period_real;
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| 	int period_virt;
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| 
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| 	struct snd_pcm_substream *substream;
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| } stream_t;
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| 
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| typedef struct snd_vortex vortex_t;
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| struct snd_vortex {
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| 	/* ALSA structs. */
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| 	struct snd_card *card;
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| 	struct snd_pcm *pcm[VORTEX_PCM_LAST];
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| 
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| 	struct snd_rawmidi *rmidi;	/* Legacy Midi interface. */
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| 	struct snd_ac97 *codec;
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| 
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| 	/* Stream structs. */
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| 	stream_t dma_adb[NR_ADB];
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| 	int spdif_sr;
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| #ifndef CHIP_AU8810
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| 	stream_t dma_wt[NR_WT];
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| 	wt_voice_t wt_voice[NR_WT];	/* WT register cache. */
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| 	char mixwt[(NR_WT / NR_WTPB) * 6];	/* WT mixin objects */
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| #endif
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| 
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| 	/* Global resources */
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| 	s8 mixcapt[2];
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| 	s8 mixplayb[4];
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| #ifndef CHIP_AU8820
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| 	s8 mixspdif[2];
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| 	s8 mixa3d[2];	/* mixers which collect all a3d streams. */
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| 	s8 mixxtlk[2];	/* crosstalk canceler mixer inputs. */
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| #endif
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| 	u32 fixed_res[5];
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| 
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| #ifndef CHIP_AU8820
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| 	/* Hardware equalizer structs */
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| 	eqlzr_t eq;
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| 	/* A3D structs */
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| 	a3dsrc_t a3d[NR_A3D];
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| 	/* Xtalk canceler */
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| 	int xt_mode;		/* 1: speakers, 0:headphones. */
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| #endif
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| 	struct pcm_vol pcm_vol[NR_PCM];
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| 
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| 	int isquad;		/* cache of extended ID codec flag. */
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| 
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| 	/* Gameport stuff. */
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| 	struct gameport *gameport;
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| 
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| 	/* PCI hardware resources */
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| 	unsigned long io;
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| 	void __iomem *mmio;
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| 	unsigned int irq;
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| 	spinlock_t lock;
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| 
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| 	/* PCI device */
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| 	struct pci_dev *pci_dev;
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| 	u16 vendor;
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| 	u16 device;
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| 	u8 rev;
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| };
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| 
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| /* Functions. */
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| 
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| /* SRC */
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| static void vortex_adb_setsrc(vortex_t * vortex, int adbdma,
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| 			      unsigned int cvrt, int dir);
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| 
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| /* DMA Engines. */
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| static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma,
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| 				     int size, int count);
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| static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie,
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| 				  int dir, int fmt, int d,
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| 				  u32 offset);
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| static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb);
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| #ifndef CHIP_AU8810
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| static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma,
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| 				    int size, int count);
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| static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d,	/*int e, */
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| 				 u32 offset);
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| static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb);
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| #endif
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| 
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| static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma);
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| //static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma);
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| static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma);
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| static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma);
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| static inline int vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma);
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| static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma);
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| 
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| #ifndef CHIP_AU8810
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| static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma);
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| static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma);
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| static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma);
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| static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma);
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| static inline int vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma);
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| #endif
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| 
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| /* global stuff. */
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| static void vortex_codec_init(vortex_t * vortex);
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| static void vortex_codec_write(struct snd_ac97 * codec, unsigned short addr,
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| 			       unsigned short data);
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| static unsigned short vortex_codec_read(struct snd_ac97 * codec, unsigned short addr);
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| static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode);
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| 
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| static int vortex_core_init(vortex_t * card);
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| static int vortex_core_shutdown(vortex_t * card);
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| static void vortex_enable_int(vortex_t * card);
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| static irqreturn_t vortex_interrupt(int irq, void *dev_id);
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| static int vortex_alsafmt_aspfmt(snd_pcm_format_t alsafmt, vortex_t *v);
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| 
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| /* Connection  stuff. */
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| static void vortex_connect_default(vortex_t * vortex, int en);
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| static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch,
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| 				 int dir, int type, int subdev);
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| static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out,
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| 				  int restype);
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| #ifndef CHIP_AU8810
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| static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch);
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| static void vortex_wt_connect(vortex_t * vortex, int en);
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| static void vortex_wt_init(vortex_t * vortex);
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| #endif
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| 
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| static void vortex_route(vortex_t * vortex, int en, unsigned char channel,
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| 			 unsigned char source, unsigned char dest);
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| #if 0
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| static void vortex_routes(vortex_t * vortex, int en, unsigned char channel,
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| 			  unsigned char source, unsigned char dest0,
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| 			  unsigned char dest1);
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| #endif
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| static void vortex_connection_mixin_mix(vortex_t * vortex, int en,
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| 					unsigned char mixin,
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| 					unsigned char mix, int a);
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| static void vortex_mix_setinputvolumebyte(vortex_t * vortex,
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| 					  unsigned char mix, int mixin,
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| 					  unsigned char vol);
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| static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix,
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| 				     unsigned char vol);
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| 
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| /* A3D functions. */
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| #ifndef CHIP_AU8820
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| static void vortex_Vort3D_enable(vortex_t * v);
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| static void vortex_Vort3D_disable(vortex_t * v);
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| static void vortex_Vort3D_connect(vortex_t * vortex, int en);
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| static void vortex_Vort3D_InitializeSource(a3dsrc_t *a, int en, vortex_t *v);
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| #endif
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| 
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| /* Driver stuff. */
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| static int vortex_gameport_register(vortex_t * card);
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| static void vortex_gameport_unregister(vortex_t * card);
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| #ifndef CHIP_AU8820
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| static int vortex_eq_init(vortex_t * vortex);
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| static int vortex_eq_free(vortex_t * vortex);
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| #endif
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| /* ALSA stuff. */
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| static int snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr);
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| static int snd_vortex_mixer(vortex_t * vortex);
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| static int snd_vortex_midi(vortex_t * vortex);
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| #endif
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