diff options
Diffstat (limited to 'sound/pci/au88x0/au88x0.h')
| -rw-r--r-- | sound/pci/au88x0/au88x0.h | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/sound/pci/au88x0/au88x0.h b/sound/pci/au88x0/au88x0.h new file mode 100644 index 000000000000..ee1ede1979f6 --- /dev/null +++ b/sound/pci/au88x0/au88x0.h @@ -0,0 +1,284 @@ +/* + * 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 <sound/driver.h> +#include <linux/init.h> +#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> + +#endif + +#ifndef CHIP_AU8820 +#include "au88x0_eq.h" +#include "au88x0_a3d.h" +#endif +#ifndef CHIP_AU8810 +#include "au88x0_wt.h" +#endif + +#define VORTEX_DMA_MASK 0xffffffff + +#define hwread(x,y) readl((x)+((y)>>2)) +#define hwwrite(x,y,z) writel((z),(x)+((y)>>2)) + +/* 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 + +/* 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 eahc bank. */ + +/* Structs */ +typedef struct { + //int this_08; /* Still unknown */ + int fifo_enabled; /* this_24 */ + int fifo_status; /* this_1c */ + int 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; + snd_pcm_sgbuf_t *sgbuf; /* DMA Scatter Gather struct */ + int period_real; + int period_virt; + + snd_pcm_substream_t *substream; +} stream_t; + +typedef struct snd_vortex vortex_t; +struct snd_vortex { + /* ALSA structs. */ + snd_card_t *card; + snd_pcm_t *pcm[VORTEX_PCM_LAST]; + + snd_rawmidi_t *rmidi; /* Legacy Midi interface. */ + ac97_t *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 + + int isquad; /* cache of extended ID codec flag. */ + + /* Gameport stuff. */ + struct gameport *gameport; + + /* PCI hardware resources */ + unsigned long io; + unsigned long __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, + snd_pcm_sgbuf_t * sgbuf, int size, + int count); +static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie, + int dir, int fmt, int d, + unsigned long 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, + snd_pcm_sgbuf_t * sgbuf, int size, + int count); +static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d, /*int e, */ + unsigned long 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 int inline 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 int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma); +#endif + +/* global stuff. */ +static void vortex_codec_init(vortex_t * vortex); +static void vortex_codec_write(ac97_t * codec, unsigned short addr, + unsigned short data); +static unsigned short vortex_codec_read(ac97_t * 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, + struct pt_regs *regs); +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); +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(vortex_t * v, int en); +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 __devinit vortex_gameport_register(vortex_t * card); +static void vortex_gameport_unregister(vortex_t * card); +#ifndef CHIP_AU8820 +static int __devinit vortex_eq_init(vortex_t * vortex); +static int __devexit vortex_eq_free(vortex_t * vortex); +#endif +/* ALSA stuff. */ +static int __devinit snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr); +static int __devinit snd_vortex_mixer(vortex_t * vortex); +static int __devinit snd_vortex_midi(vortex_t * vortex); +#endif |