au88x0.h (8446B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 */ 4 5#ifndef __SOUND_AU88X0_H 6#define __SOUND_AU88X0_H 7 8#include <linux/pci.h> 9#include <linux/io.h> 10#include <sound/core.h> 11#include <sound/pcm.h> 12#include <sound/rawmidi.h> 13#include <sound/mpu401.h> 14#include <sound/hwdep.h> 15#include <sound/ac97_codec.h> 16#include <sound/tlv.h> 17 18#ifndef CHIP_AU8820 19#include "au88x0_eq.h" 20#include "au88x0_a3d.h" 21#endif 22#ifndef CHIP_AU8810 23#include "au88x0_wt.h" 24#endif 25 26#define hwread(x,y) readl((x)+(y)) 27#define hwwrite(x,y,z) writel((z),(x)+(y)) 28 29/* Vortex MPU401 defines. */ 30#define MIDI_CLOCK_DIV 0x61 31/* Standart MPU401 defines. */ 32#define MPU401_RESET 0xff 33#define MPU401_ENTER_UART 0x3f 34#define MPU401_ACK 0xfe 35 36// Get src register value to convert from x to y. 37#define SRC_RATIO(x,y) ((((x<<15)/y) + 1)/2) 38 39/* FIFO software state constants. */ 40#define FIFO_STOP 0 41#define FIFO_START 1 42#define FIFO_PAUSE 2 43 44/* IRQ flags */ 45#define IRQ_ERR_MASK 0x00ff 46#define IRQ_FATAL 0x0001 47#define IRQ_PARITY 0x0002 48#define IRQ_REG 0x0004 49#define IRQ_FIFO 0x0008 50#define IRQ_DMA 0x0010 51#define IRQ_PCMOUT 0x0020 /* PCM OUT page crossing */ 52#define IRQ_TIMER 0x1000 53#define IRQ_MIDI 0x2000 54#define IRQ_MODEM 0x4000 55 56/* ADB Resource */ 57#define VORTEX_RESOURCE_DMA 0x00000000 58#define VORTEX_RESOURCE_SRC 0x00000001 59#define VORTEX_RESOURCE_MIXIN 0x00000002 60#define VORTEX_RESOURCE_MIXOUT 0x00000003 61#define VORTEX_RESOURCE_A3D 0x00000004 62#define VORTEX_RESOURCE_LAST 0x00000005 63 64/* codec io: VORTEX_CODEC_IO bits */ 65#define VORTEX_CODEC_ID_SHIFT 24 66#define VORTEX_CODEC_WRITE 0x00800000 67#define VORTEX_CODEC_ADDSHIFT 16 68#define VORTEX_CODEC_ADDMASK 0x7f0000 69#define VORTEX_CODEC_DATSHIFT 0 70#define VORTEX_CODEC_DATMASK 0xffff 71 72/* Check for SDAC bit in "Extended audio ID" AC97 register */ 73//#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ? 0 : ((x)->codec->ext_id&0x80)) 74#define VORTEX_IS_QUAD(x) ((x)->isquad) 75/* Check if chip has bug. */ 76#define IS_BAD_CHIP(x) (\ 77 (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) || \ 78 (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE)) 79 80 81/* PCM devices */ 82#define VORTEX_PCM_ADB 0 83#define VORTEX_PCM_SPDIF 1 84#define VORTEX_PCM_A3D 2 85#define VORTEX_PCM_WT 3 86#define VORTEX_PCM_I2S 4 87#define VORTEX_PCM_LAST 5 88 89#define MIX_CAPT(x) (vortex->mixcapt[x]) 90#define MIX_PLAYB(x) (vortex->mixplayb[x]) 91#define MIX_SPDIF(x) (vortex->mixspdif[x]) 92 93#define NR_WTPB 0x20 /* WT channels per each bank. */ 94#define NR_PCM 0x10 95 96struct pcm_vol { 97 struct snd_kcontrol *kctl; 98 int active; 99 int dma; 100 int mixin[4]; 101 int vol[4]; 102}; 103 104/* Structs */ 105typedef struct { 106 //int this_08; /* Still unknown */ 107 int fifo_enabled; /* this_24 */ 108 int fifo_status; /* this_1c */ 109 u32 dma_ctrl; /* this_78 (ADB), this_7c (WT) */ 110 int dma_unknown; /* this_74 (ADB), this_78 (WT). WDM: +8 */ 111 int cfg0; 112 int cfg1; 113 114 int nr_ch; /* Nr of PCM channels in use */ 115 int type; /* Output type (ac97, a3d, spdif, i2s, dsp) */ 116 int dma; /* Hardware DMA index. */ 117 int dir; /* Stream Direction. */ 118 u32 resources[5]; 119 120 /* Virtual page extender stuff */ 121 int nr_periods; 122 int period_bytes; 123 int period_real; 124 int period_virt; 125 126 struct snd_pcm_substream *substream; 127} stream_t; 128 129typedef struct snd_vortex vortex_t; 130struct snd_vortex { 131 /* ALSA structs. */ 132 struct snd_card *card; 133 struct snd_pcm *pcm[VORTEX_PCM_LAST]; 134 135 struct snd_rawmidi *rmidi; /* Legacy Midi interface. */ 136 struct snd_ac97 *codec; 137 138 /* Stream structs. */ 139 stream_t dma_adb[NR_ADB]; 140 int spdif_sr; 141#ifndef CHIP_AU8810 142 stream_t dma_wt[NR_WT]; 143 wt_voice_t wt_voice[NR_WT]; /* WT register cache. */ 144 char mixwt[(NR_WT / NR_WTPB) * 6]; /* WT mixin objects */ 145#endif 146 147 /* Global resources */ 148 s8 mixcapt[2]; 149 s8 mixplayb[4]; 150#ifndef CHIP_AU8820 151 s8 mixspdif[2]; 152 s8 mixa3d[2]; /* mixers which collect all a3d streams. */ 153 s8 mixxtlk[2]; /* crosstalk canceler mixer inputs. */ 154#endif 155 u32 fixed_res[5]; 156 157#ifndef CHIP_AU8820 158 /* Hardware equalizer structs */ 159 eqlzr_t eq; 160 /* A3D structs */ 161 a3dsrc_t a3d[NR_A3D]; 162 /* Xtalk canceler */ 163 int xt_mode; /* 1: speakers, 0:headphones. */ 164#endif 165 struct pcm_vol pcm_vol[NR_PCM]; 166 167 int isquad; /* cache of extended ID codec flag. */ 168 169 /* Gameport stuff. */ 170 struct gameport *gameport; 171 172 /* PCI hardware resources */ 173 unsigned long io; 174 void __iomem *mmio; 175 unsigned int irq; 176 spinlock_t lock; 177 178 /* PCI device */ 179 struct pci_dev *pci_dev; 180 u16 vendor; 181 u16 device; 182 u8 rev; 183}; 184 185/* Functions. */ 186 187/* SRC */ 188static void vortex_adb_setsrc(vortex_t * vortex, int adbdma, 189 unsigned int cvrt, int dir); 190 191/* DMA Engines. */ 192static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma, 193 int size, int count); 194static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie, 195 int dir, int fmt, int d, 196 u32 offset); 197static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb); 198#ifndef CHIP_AU8810 199static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma, 200 int size, int count); 201static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d, /*int e, */ 202 u32 offset); 203static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb); 204#endif 205 206static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma); 207//static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma); 208static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma); 209static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma); 210static inline int vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma); 211static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma); 212 213#ifndef CHIP_AU8810 214static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma); 215static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma); 216static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma); 217static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma); 218static inline int vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma); 219#endif 220 221/* global stuff. */ 222static void vortex_codec_init(vortex_t * vortex); 223static void vortex_codec_write(struct snd_ac97 * codec, unsigned short addr, 224 unsigned short data); 225static unsigned short vortex_codec_read(struct snd_ac97 * codec, unsigned short addr); 226static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode); 227 228static int vortex_core_init(vortex_t * card); 229static int vortex_core_shutdown(vortex_t * card); 230static void vortex_enable_int(vortex_t * card); 231static irqreturn_t vortex_interrupt(int irq, void *dev_id); 232static int vortex_alsafmt_aspfmt(snd_pcm_format_t alsafmt, vortex_t *v); 233 234/* Connection stuff. */ 235static void vortex_connect_default(vortex_t * vortex, int en); 236static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch, 237 int dir, int type, int subdev); 238static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out, 239 int restype); 240#ifndef CHIP_AU8810 241static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch); 242static void vortex_wt_connect(vortex_t * vortex, int en); 243static void vortex_wt_init(vortex_t * vortex); 244#endif 245 246static void vortex_route(vortex_t * vortex, int en, unsigned char channel, 247 unsigned char source, unsigned char dest); 248#if 0 249static void vortex_routes(vortex_t * vortex, int en, unsigned char channel, 250 unsigned char source, unsigned char dest0, 251 unsigned char dest1); 252#endif 253static void vortex_connection_mixin_mix(vortex_t * vortex, int en, 254 unsigned char mixin, 255 unsigned char mix, int a); 256static void vortex_mix_setinputvolumebyte(vortex_t * vortex, 257 unsigned char mix, int mixin, 258 unsigned char vol); 259static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix, 260 unsigned char vol); 261 262/* A3D functions. */ 263#ifndef CHIP_AU8820 264static void vortex_Vort3D_enable(vortex_t * v); 265static void vortex_Vort3D_disable(vortex_t * v); 266static void vortex_Vort3D_connect(vortex_t * vortex, int en); 267static void vortex_Vort3D_InitializeSource(a3dsrc_t *a, int en, vortex_t *v); 268#endif 269 270/* Driver stuff. */ 271static int vortex_gameport_register(vortex_t * card); 272static void vortex_gameport_unregister(vortex_t * card); 273#ifndef CHIP_AU8820 274static int vortex_eq_init(vortex_t * vortex); 275static int vortex_eq_free(vortex_t * vortex); 276#endif 277/* ALSA stuff. */ 278static int snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr); 279static int snd_vortex_mixer(vortex_t * vortex); 280static int snd_vortex_midi(vortex_t * vortex); 281#endif