291 строка
9.0 KiB
C
291 строка
9.0 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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#ifndef __SOUND_AU88X0_H
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#define __SOUND_AU88X0_H
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#ifdef __KERNEL__
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#include <sound/driver.h>
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <asm/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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#endif
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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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#define hwread(x,y) readl((x)+((y)>>2))
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#define hwwrite(x,y,z) writel((z),(x)+((y)>>2))
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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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// 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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/* 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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/* 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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/* 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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/* 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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/* 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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/* 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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#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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#define NR_WTPB 0x20 /* WT channels per eahc bank. */
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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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int 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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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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/* Virtual page extender stuff */
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int nr_periods;
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int period_bytes;
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struct snd_sg_buf *sgbuf; /* DMA Scatter Gather struct */
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int period_real;
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int period_virt;
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struct snd_pcm_substream *substream;
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} stream_t;
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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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struct snd_rawmidi *rmidi; /* Legacy Midi interface. */
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struct snd_ac97 *codec;
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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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/* 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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#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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int isquad; /* cache of extended ID codec flag. */
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/* Gameport stuff. */
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struct gameport *gameport;
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/* PCI hardware resources */
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unsigned long io;
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unsigned long __iomem *mmio;
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unsigned int irq;
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spinlock_t lock;
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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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/* Functions. */
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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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/* DMA Engines. */
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static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma,
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struct snd_sg_buf * sgbuf, int size,
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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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unsigned long 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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struct snd_sg_buf * sgbuf, int size,
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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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unsigned long 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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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 int inline 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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#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 int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma);
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#endif
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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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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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struct pt_regs *regs);
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static int vortex_alsafmt_aspfmt(int alsafmt);
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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);
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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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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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/* A3D functions. */
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#ifndef CHIP_AU8820
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static void vortex_Vort3D(vortex_t * v, int en);
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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);
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#endif
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/* Driver stuff. */
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static int __devinit 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 __devinit vortex_eq_init(vortex_t * vortex);
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static int __devexit vortex_eq_free(vortex_t * vortex);
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#endif
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/* ALSA stuff. */
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static int __devinit snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr);
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static int __devinit snd_vortex_mixer(vortex_t * vortex);
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static int __devinit snd_vortex_midi(vortex_t * vortex);
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#endif
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