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__ 21#include <sound/driver.h> 22#include <linux/pci.h> 23#include <asm/io.h> 24#include <sound/core.h> 25#include <sound/pcm.h> 26#include <sound/rawmidi.h> 27#include <sound/mpu401.h> 28#include <sound/hwdep.h> 29#include <sound/ac97_codec.h> 30 31#endif 32 33#ifndef CHIP_AU8820 34#include "au88x0_eq.h" 35#include "au88x0_a3d.h" 36#endif 37#ifndef CHIP_AU8810 38#include "au88x0_wt.h" 39#endif 40 41#define hwread(x,y) readl((x)+(y)) 42#define hwwrite(x,y,z) writel((z),(x)+(y)) 43 44/* Vortex MPU401 defines. */ 45#define MIDI_CLOCK_DIV 0x61 46/* Standart MPU401 defines. */ 47#define MPU401_RESET 0xff 48#define MPU401_ENTER_UART 0x3f 49#define MPU401_ACK 0xfe 50 51// Get src register value to convert from x to y. 52#define SRC_RATIO(x,y) ((((x<<15)/y) + 1)/2) 53 54/* FIFO software state constants. */ 55#define FIFO_STOP 0 56#define FIFO_START 1 57#define FIFO_PAUSE 2 58 59/* IRQ flags */ 60#define IRQ_ERR_MASK 0x00ff 61#define IRQ_FATAL 0x0001 62#define IRQ_PARITY 0x0002 63#define IRQ_REG 0x0004 64#define IRQ_FIFO 0x0008 65#define IRQ_DMA 0x0010 66#define IRQ_PCMOUT 0x0020 /* PCM OUT page crossing */ 67#define IRQ_TIMER 0x1000 68#define IRQ_MIDI 0x2000 69#define IRQ_MODEM 0x4000 70 71/* ADB Resource */ 72#define VORTEX_RESOURCE_DMA 0x00000000 73#define VORTEX_RESOURCE_SRC 0x00000001 74#define VORTEX_RESOURCE_MIXIN 0x00000002 75#define VORTEX_RESOURCE_MIXOUT 0x00000003 76#define VORTEX_RESOURCE_A3D 0x00000004 77#define VORTEX_RESOURCE_LAST 0x00000005 78 79/* codec io: VORTEX_CODEC_IO bits */ 80#define VORTEX_CODEC_ID_SHIFT 24 81#define VORTEX_CODEC_WRITE 0x00800000 82#define VORTEX_CODEC_ADDSHIFT 16 83#define VORTEX_CODEC_ADDMASK 0x7f0000 84#define VORTEX_CODEC_DATSHIFT 0 85#define VORTEX_CODEC_DATMASK 0xffff 86 87/* Check for SDAC bit in "Extended audio ID" AC97 register */ 88//#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ? 0 : ((x)->codec->ext_id&0x80)) 89#define VORTEX_IS_QUAD(x) ((x)->isquad) 90/* Check if chip has bug. */ 91#define IS_BAD_CHIP(x) (\ 92 (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) || \ 93 (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE)) 94 95 96/* PCM devices */ 97#define VORTEX_PCM_ADB 0 98#define VORTEX_PCM_SPDIF 1 99#define VORTEX_PCM_A3D 2 100#define VORTEX_PCM_WT 3 101#define VORTEX_PCM_I2S 4 102#define VORTEX_PCM_LAST 5 103 104#define MIX_CAPT(x) (vortex->mixcapt[x]) 105#define MIX_PLAYB(x) (vortex->mixplayb[x]) 106#define MIX_SPDIF(x) (vortex->mixspdif[x]) 107 108#define NR_WTPB 0x20 /* WT channels per eahc bank. */ 109 110/* Structs */ 111typedef struct { 112 //int this_08; /* Still unknown */ 113 int fifo_enabled; /* this_24 */ 114 int fifo_status; /* this_1c */ 115 u32 dma_ctrl; /* this_78 (ADB), this_7c (WT) */ 116 int dma_unknown; /* this_74 (ADB), this_78 (WT). WDM: +8 */ 117 int cfg0; 118 int cfg1; 119 120 int nr_ch; /* Nr of PCM channels in use */ 121 int type; /* Output type (ac97, a3d, spdif, i2s, dsp) */ 122 int dma; /* Hardware DMA index. */ 123 int dir; /* Stream Direction. */ 124 u32 resources[5]; 125 126 /* Virtual page extender stuff */ 127 int nr_periods; 128 int period_bytes; 129 struct snd_sg_buf *sgbuf; /* DMA Scatter Gather struct */ 130 int period_real; 131 int period_virt; 132 133 struct snd_pcm_substream *substream; 134} stream_t; 135 136typedef struct snd_vortex vortex_t; 137struct snd_vortex { 138 /* ALSA structs. */ 139 struct snd_card *card; 140 struct snd_pcm *pcm[VORTEX_PCM_LAST]; 141 142 struct snd_rawmidi *rmidi; /* Legacy Midi interface. */ 143 struct snd_ac97 *codec; 144 145 /* Stream structs. */ 146 stream_t dma_adb[NR_ADB]; 147 int spdif_sr; 148#ifndef CHIP_AU8810 149 stream_t dma_wt[NR_WT]; 150 wt_voice_t wt_voice[NR_WT]; /* WT register cache. */ 151 char mixwt[(NR_WT / NR_WTPB) * 6]; /* WT mixin objects */ 152#endif 153 154 /* Global resources */ 155 s8 mixcapt[2]; 156 s8 mixplayb[4]; 157#ifndef CHIP_AU8820 158 s8 mixspdif[2]; 159 s8 mixa3d[2]; /* mixers which collect all a3d streams. */ 160 s8 mixxtlk[2]; /* crosstalk canceler mixer inputs. */ 161#endif 162 u32 fixed_res[5]; 163 164#ifndef CHIP_AU8820 165 /* Hardware equalizer structs */ 166 eqlzr_t eq; 167 /* A3D structs */ 168 a3dsrc_t a3d[NR_A3D]; 169 /* Xtalk canceler */ 170 int xt_mode; /* 1: speakers, 0:headphones. */ 171#endif 172 173 int isquad; /* cache of extended ID codec flag. */ 174 175 /* Gameport stuff. */ 176 struct gameport *gameport; 177 178 /* PCI hardware resources */ 179 unsigned long io; 180 void __iomem *mmio; 181 unsigned int irq; 182 spinlock_t lock; 183 184 /* PCI device */ 185 struct pci_dev *pci_dev; 186 u16 vendor; 187 u16 device; 188 u8 rev; 189}; 190 191/* Functions. */ 192 193/* SRC */ 194static void vortex_adb_setsrc(vortex_t * vortex, int adbdma, 195 unsigned int cvrt, int dir); 196 197/* DMA Engines. */ 198static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma, 199 struct snd_sg_buf * sgbuf, int size, 200 int count); 201static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie, 202 int dir, int fmt, int d, 203 u32 offset); 204static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb); 205#ifndef CHIP_AU8810 206static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma, 207 struct snd_sg_buf * sgbuf, int size, 208 int count); 209static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d, /*int e, */ 210 u32 offset); 211static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb); 212#endif 213 214static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma); 215//static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma); 216static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma); 217static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma); 218static int inline vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma); 219static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma); 220 221#ifndef CHIP_AU8810 222static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma); 223static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma); 224static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma); 225static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma); 226static int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma); 227#endif 228 229/* global stuff. */ 230static void vortex_codec_init(vortex_t * vortex); 231static void vortex_codec_write(struct snd_ac97 * codec, unsigned short addr, 232 unsigned short data); 233static unsigned short vortex_codec_read(struct snd_ac97 * codec, unsigned short addr); 234static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode); 235 236static int vortex_core_init(vortex_t * card); 237static int vortex_core_shutdown(vortex_t * card); 238static void vortex_enable_int(vortex_t * card); 239static irqreturn_t vortex_interrupt(int irq, void *dev_id); 240static int vortex_alsafmt_aspfmt(int alsafmt); 241 242/* Connection stuff. */ 243static void vortex_connect_default(vortex_t * vortex, int en); 244static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch, 245 int dir, int type); 246static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out, 247 int restype); 248#ifndef CHIP_AU8810 249static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch); 250static void vortex_wt_connect(vortex_t * vortex, int en); 251static void vortex_wt_init(vortex_t * vortex); 252#endif 253 254static void vortex_route(vortex_t * vortex, int en, unsigned char channel, 255 unsigned char source, unsigned char dest); 256static void vortex_connection_mixin_mix(vortex_t * vortex, int en, 257 unsigned char mixin, 258 unsigned char mix, int a); 259static void vortex_mix_setinputvolumebyte(vortex_t * vortex, 260 unsigned char mix, int mixin, 261 unsigned char vol); 262static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix, 263 unsigned char vol); 264 265/* A3D functions. */ 266#ifndef CHIP_AU8820 267static void vortex_Vort3D_enable(vortex_t * v); 268static void vortex_Vort3D_disable(vortex_t * v); 269static void vortex_Vort3D_connect(vortex_t * vortex, int en); 270static void vortex_Vort3D_InitializeSource(a3dsrc_t * a, int en); 271#endif 272 273/* Driver stuff. */ 274static int vortex_gameport_register(vortex_t * card); 275static void vortex_gameport_unregister(vortex_t * card); 276#ifndef CHIP_AU8820 277static int vortex_eq_init(vortex_t * vortex); 278static int vortex_eq_free(vortex_t * vortex); 279#endif 280/* ALSA stuff. */ 281static int snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr); 282static int snd_vortex_mixer(vortex_t * vortex); 283static int snd_vortex_midi(vortex_t * vortex); 284#endif 285