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 <linux/pci.h> 22 #include <asm/io.h> 23 #include <sound/core.h> 24 #include <sound/pcm.h> 25 #include <sound/rawmidi.h> 26 #include <sound/mpu401.h> 27 #include <sound/hwdep.h> 28 #include <sound/ac97_codec.h> 29 30 #endif 31 32 #ifndef CHIP_AU8820 33 #include "au88x0_eq.h" 34 #include "au88x0_a3d.h" 35 #endif 36 #ifndef CHIP_AU8810 37 #include "au88x0_wt.h" 38 #endif 39 40 #define hwread(x,y) readl((x)+(y)) 41 #define hwwrite(x,y,z) writel((z),(x)+(y)) 42 43 /* Vortex MPU401 defines. */ 44 #define MIDI_CLOCK_DIV 0x61 45 /* Standart MPU401 defines. */ 46 #define MPU401_RESET 0xff 47 #define MPU401_ENTER_UART 0x3f 48 #define MPU401_ACK 0xfe 49 50 // Get src register value to convert from x to y. 51 #define SRC_RATIO(x,y) ((((x<<15)/y) + 1)/2) 52 53 /* FIFO software state constants. */ 54 #define FIFO_STOP 0 55 #define FIFO_START 1 56 #define FIFO_PAUSE 2 57 58 /* IRQ flags */ 59 #define IRQ_ERR_MASK 0x00ff 60 #define IRQ_FATAL 0x0001 61 #define IRQ_PARITY 0x0002 62 #define IRQ_REG 0x0004 63 #define IRQ_FIFO 0x0008 64 #define IRQ_DMA 0x0010 65 #define IRQ_PCMOUT 0x0020 /* PCM OUT page crossing */ 66 #define IRQ_TIMER 0x1000 67 #define IRQ_MIDI 0x2000 68 #define IRQ_MODEM 0x4000 69 70 /* ADB Resource */ 71 #define VORTEX_RESOURCE_DMA 0x00000000 72 #define VORTEX_RESOURCE_SRC 0x00000001 73 #define VORTEX_RESOURCE_MIXIN 0x00000002 74 #define VORTEX_RESOURCE_MIXOUT 0x00000003 75 #define VORTEX_RESOURCE_A3D 0x00000004 76 #define VORTEX_RESOURCE_LAST 0x00000005 77 78 /* codec io: VORTEX_CODEC_IO bits */ 79 #define VORTEX_CODEC_ID_SHIFT 24 80 #define VORTEX_CODEC_WRITE 0x00800000 81 #define VORTEX_CODEC_ADDSHIFT 16 82 #define VORTEX_CODEC_ADDMASK 0x7f0000 83 #define VORTEX_CODEC_DATSHIFT 0 84 #define VORTEX_CODEC_DATMASK 0xffff 85 86 /* Check for SDAC bit in "Extended audio ID" AC97 register */ 87 //#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ? 0 : ((x)->codec->ext_id&0x80)) 88 #define VORTEX_IS_QUAD(x) ((x)->isquad) 89 /* Check if chip has bug. */ 90 #define IS_BAD_CHIP(x) (\ 91 (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) || \ 92 (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE)) 93 94 95 /* PCM devices */ 96 #define VORTEX_PCM_ADB 0 97 #define VORTEX_PCM_SPDIF 1 98 #define VORTEX_PCM_A3D 2 99 #define VORTEX_PCM_WT 3 100 #define VORTEX_PCM_I2S 4 101 #define VORTEX_PCM_LAST 5 102 103 #define MIX_CAPT(x) (vortex->mixcapt[x]) 104 #define MIX_PLAYB(x) (vortex->mixplayb[x]) 105 #define MIX_SPDIF(x) (vortex->mixspdif[x]) 106 107 #define NR_WTPB 0x20 /* WT channels per eahc bank. */ 108 109 /* Structs */ 110 typedef struct { 111 //int this_08; /* Still unknown */ 112 int fifo_enabled; /* this_24 */ 113 int fifo_status; /* this_1c */ 114 u32 dma_ctrl; /* this_78 (ADB), this_7c (WT) */ 115 int dma_unknown; /* this_74 (ADB), this_78 (WT). WDM: +8 */ 116 int cfg0; 117 int cfg1; 118 119 int nr_ch; /* Nr of PCM channels in use */ 120 int type; /* Output type (ac97, a3d, spdif, i2s, dsp) */ 121 int dma; /* Hardware DMA index. */ 122 int dir; /* Stream Direction. */ 123 u32 resources[5]; 124 125 /* Virtual page extender stuff */ 126 int nr_periods; 127 int period_bytes; 128 struct snd_sg_buf *sgbuf; /* DMA Scatter Gather struct */ 129 int period_real; 130 int period_virt; 131 132 struct snd_pcm_substream *substream; 133 } stream_t; 134 135 typedef struct snd_vortex vortex_t; 136 struct snd_vortex { 137 /* ALSA structs. */ 138 struct snd_card *card; 139 struct snd_pcm *pcm[VORTEX_PCM_LAST]; 140 141 struct snd_rawmidi *rmidi; /* Legacy Midi interface. */ 142 struct snd_ac97 *codec; 143 144 /* Stream structs. */ 145 stream_t dma_adb[NR_ADB]; 146 int spdif_sr; 147 #ifndef CHIP_AU8810 148 stream_t dma_wt[NR_WT]; 149 wt_voice_t wt_voice[NR_WT]; /* WT register cache. */ 150 char mixwt[(NR_WT / NR_WTPB) * 6]; /* WT mixin objects */ 151 #endif 152 153 /* Global resources */ 154 s8 mixcapt[2]; 155 s8 mixplayb[4]; 156 #ifndef CHIP_AU8820 157 s8 mixspdif[2]; 158 s8 mixa3d[2]; /* mixers which collect all a3d streams. */ 159 s8 mixxtlk[2]; /* crosstalk canceler mixer inputs. */ 160 #endif 161 u32 fixed_res[5]; 162 163 #ifndef CHIP_AU8820 164 /* Hardware equalizer structs */ 165 eqlzr_t eq; 166 /* A3D structs */ 167 a3dsrc_t a3d[NR_A3D]; 168 /* Xtalk canceler */ 169 int xt_mode; /* 1: speakers, 0:headphones. */ 170 #endif 171 172 int isquad; /* cache of extended ID codec flag. */ 173 174 /* Gameport stuff. */ 175 struct gameport *gameport; 176 177 /* PCI hardware resources */ 178 unsigned long io; 179 void __iomem *mmio; 180 unsigned int irq; 181 spinlock_t lock; 182 183 /* PCI device */ 184 struct pci_dev *pci_dev; 185 u16 vendor; 186 u16 device; 187 u8 rev; 188 }; 189 190 /* Functions. */ 191 192 /* SRC */ 193 static void vortex_adb_setsrc(vortex_t * vortex, int adbdma, 194 unsigned int cvrt, int dir); 195 196 /* DMA Engines. */ 197 static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma, 198 struct snd_sg_buf * sgbuf, int size, 199 int count); 200 static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie, 201 int dir, int fmt, int d, 202 u32 offset); 203 static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb); 204 #ifndef CHIP_AU8810 205 static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma, 206 struct snd_sg_buf * sgbuf, int size, 207 int count); 208 static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d, /*int e, */ 209 u32 offset); 210 static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb); 211 #endif 212 213 static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma); 214 //static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma); 215 static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma); 216 static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma); 217 static int inline vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma); 218 static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma); 219 220 #ifndef CHIP_AU8810 221 static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma); 222 static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma); 223 static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma); 224 static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma); 225 static int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma); 226 #endif 227 228 /* global stuff. */ 229 static void vortex_codec_init(vortex_t * vortex); 230 static void vortex_codec_write(struct snd_ac97 * codec, unsigned short addr, 231 unsigned short data); 232 static unsigned short vortex_codec_read(struct snd_ac97 * codec, unsigned short addr); 233 static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode); 234 235 static int vortex_core_init(vortex_t * card); 236 static int vortex_core_shutdown(vortex_t * card); 237 static void vortex_enable_int(vortex_t * card); 238 static irqreturn_t vortex_interrupt(int irq, void *dev_id); 239 static int vortex_alsafmt_aspfmt(int alsafmt); 240 241 /* Connection stuff. */ 242 static void vortex_connect_default(vortex_t * vortex, int en); 243 static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch, 244 int dir, int type); 245 static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out, 246 int restype); 247 #ifndef CHIP_AU8810 248 static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch); 249 static void vortex_wt_connect(vortex_t * vortex, int en); 250 static void vortex_wt_init(vortex_t * vortex); 251 #endif 252 253 static void vortex_route(vortex_t * vortex, int en, unsigned char channel, 254 unsigned char source, unsigned char dest); 255 #if 0 256 static void vortex_routes(vortex_t * vortex, int en, unsigned char channel, 257 unsigned char source, unsigned char dest0, 258 unsigned char dest1); 259 #endif 260 static void vortex_connection_mixin_mix(vortex_t * vortex, int en, 261 unsigned char mixin, 262 unsigned char mix, int a); 263 static void vortex_mix_setinputvolumebyte(vortex_t * vortex, 264 unsigned char mix, int mixin, 265 unsigned char vol); 266 static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix, 267 unsigned char vol); 268 269 /* A3D functions. */ 270 #ifndef CHIP_AU8820 271 static void vortex_Vort3D_enable(vortex_t * v); 272 static void vortex_Vort3D_disable(vortex_t * v); 273 static void vortex_Vort3D_connect(vortex_t * vortex, int en); 274 static void vortex_Vort3D_InitializeSource(a3dsrc_t * a, int en); 275 #endif 276 277 /* Driver stuff. */ 278 static int vortex_gameport_register(vortex_t * card); 279 static void vortex_gameport_unregister(vortex_t * card); 280 #ifndef CHIP_AU8820 281 static int vortex_eq_init(vortex_t * vortex); 282 static int vortex_eq_free(vortex_t * vortex); 283 #endif 284 /* ALSA stuff. */ 285 static int snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr); 286 static int snd_vortex_mixer(vortex_t * vortex); 287 static int snd_vortex_midi(vortex_t * vortex); 288 #endif 289