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 */ 111 typedef 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; 135 136 typedef struct snd_vortex vortex_t; 137 struct 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 */ 194 static void vortex_adb_setsrc(vortex_t * vortex, int adbdma, 195 unsigned int cvrt, int dir); 196 197 /* DMA Engines. */ 198 static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma, 199 struct snd_sg_buf * sgbuf, int size, 200 int count); 201 static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie, 202 int dir, int fmt, int d, 203 u32 offset); 204 static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb); 205 #ifndef CHIP_AU8810 206 static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma, 207 struct snd_sg_buf * sgbuf, int size, 208 int count); 209 static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d, /*int e, */ 210 u32 offset); 211 static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb); 212 #endif 213 214 static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma); 215 //static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma); 216 static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma); 217 static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma); 218 static int inline vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma); 219 static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma); 220 221 #ifndef CHIP_AU8810 222 static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma); 223 static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma); 224 static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma); 225 static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma); 226 static int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma); 227 #endif 228 229 /* global stuff. */ 230 static void vortex_codec_init(vortex_t * vortex); 231 static void vortex_codec_write(struct snd_ac97 * codec, unsigned short addr, 232 unsigned short data); 233 static unsigned short vortex_codec_read(struct snd_ac97 * codec, unsigned short addr); 234 static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode); 235 236 static int vortex_core_init(vortex_t * card); 237 static int vortex_core_shutdown(vortex_t * card); 238 static void vortex_enable_int(vortex_t * card); 239 static irqreturn_t vortex_interrupt(int irq, void *dev_id); 240 static int vortex_alsafmt_aspfmt(int alsafmt); 241 242 /* Connection stuff. */ 243 static void vortex_connect_default(vortex_t * vortex, int en); 244 static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch, 245 int dir, int type); 246 static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out, 247 int restype); 248 #ifndef CHIP_AU8810 249 static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch); 250 static void vortex_wt_connect(vortex_t * vortex, int en); 251 static void vortex_wt_init(vortex_t * vortex); 252 #endif 253 254 static void vortex_route(vortex_t * vortex, int en, unsigned char channel, 255 unsigned char source, unsigned char dest); 256 #if 0 257 static void vortex_routes(vortex_t * vortex, int en, unsigned char channel, 258 unsigned char source, unsigned char dest0, 259 unsigned char dest1); 260 #endif 261 static void vortex_connection_mixin_mix(vortex_t * vortex, int en, 262 unsigned char mixin, 263 unsigned char mix, int a); 264 static void vortex_mix_setinputvolumebyte(vortex_t * vortex, 265 unsigned char mix, int mixin, 266 unsigned char vol); 267 static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix, 268 unsigned char vol); 269 270 /* A3D functions. */ 271 #ifndef CHIP_AU8820 272 static void vortex_Vort3D_enable(vortex_t * v); 273 static void vortex_Vort3D_disable(vortex_t * v); 274 static void vortex_Vort3D_connect(vortex_t * vortex, int en); 275 static void vortex_Vort3D_InitializeSource(a3dsrc_t * a, int en); 276 #endif 277 278 /* Driver stuff. */ 279 static int vortex_gameport_register(vortex_t * card); 280 static void vortex_gameport_unregister(vortex_t * card); 281 #ifndef CHIP_AU8820 282 static int vortex_eq_init(vortex_t * vortex); 283 static int vortex_eq_free(vortex_t * vortex); 284 #endif 285 /* ALSA stuff. */ 286 static int snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr); 287 static int snd_vortex_mixer(vortex_t * vortex); 288 static int snd_vortex_midi(vortex_t * vortex); 289 #endif 290