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/init.h> 23 #include <linux/pci.h> 24 #include <asm/io.h> 25 #include <sound/core.h> 26 #include <sound/pcm.h> 27 #include <sound/rawmidi.h> 28 #include <sound/mpu401.h> 29 #include <sound/hwdep.h> 30 #include <sound/ac97_codec.h> 31 32 #endif 33 34 #ifndef CHIP_AU8820 35 #include "au88x0_eq.h" 36 #include "au88x0_a3d.h" 37 #endif 38 #ifndef CHIP_AU8810 39 #include "au88x0_wt.h" 40 #endif 41 42 #define VORTEX_DMA_MASK 0xffffffff 43 44 #define hwread(x,y) readl((x)+((y)>>2)) 45 #define hwwrite(x,y,z) writel((z),(x)+((y)>>2)) 46 47 /* Vortex MPU401 defines. */ 48 #define MIDI_CLOCK_DIV 0x61 49 /* Standart MPU401 defines. */ 50 #define MPU401_RESET 0xff 51 #define MPU401_ENTER_UART 0x3f 52 #define MPU401_ACK 0xfe 53 54 // Get src register value to convert from x to y. 55 #define SRC_RATIO(x,y) ((((x<<15)/y) + 1)/2) 56 57 /* FIFO software state constants. */ 58 #define FIFO_STOP 0 59 #define FIFO_START 1 60 #define FIFO_PAUSE 2 61 62 /* IRQ flags */ 63 #define IRQ_ERR_MASK 0x00ff 64 #define IRQ_FATAL 0x0001 65 #define IRQ_PARITY 0x0002 66 #define IRQ_REG 0x0004 67 #define IRQ_FIFO 0x0008 68 #define IRQ_DMA 0x0010 69 #define IRQ_PCMOUT 0x0020 /* PCM OUT page crossing */ 70 #define IRQ_TIMER 0x1000 71 #define IRQ_MIDI 0x2000 72 #define IRQ_MODEM 0x4000 73 74 /* ADB Resource */ 75 #define VORTEX_RESOURCE_DMA 0x00000000 76 #define VORTEX_RESOURCE_SRC 0x00000001 77 #define VORTEX_RESOURCE_MIXIN 0x00000002 78 #define VORTEX_RESOURCE_MIXOUT 0x00000003 79 #define VORTEX_RESOURCE_A3D 0x00000004 80 #define VORTEX_RESOURCE_LAST 0x00000005 81 82 /* codec io: VORTEX_CODEC_IO bits */ 83 #define VORTEX_CODEC_ID_SHIFT 24 84 #define VORTEX_CODEC_WRITE 0x00800000 85 #define VORTEX_CODEC_ADDSHIFT 16 86 #define VORTEX_CODEC_ADDMASK 0x7f0000 87 #define VORTEX_CODEC_DATSHIFT 0 88 #define VORTEX_CODEC_DATMASK 0xffff 89 90 /* Check for SDAC bit in "Extended audio ID" AC97 register */ 91 //#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ? 0 : ((x)->codec->ext_id&0x80)) 92 #define VORTEX_IS_QUAD(x) ((x)->isquad) 93 /* Check if chip has bug. */ 94 #define IS_BAD_CHIP(x) (\ 95 (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) || \ 96 (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE)) 97 98 99 /* PCM devices */ 100 #define VORTEX_PCM_ADB 0 101 #define VORTEX_PCM_SPDIF 1 102 #define VORTEX_PCM_A3D 2 103 #define VORTEX_PCM_WT 3 104 #define VORTEX_PCM_I2S 4 105 #define VORTEX_PCM_LAST 5 106 107 #define MIX_CAPT(x) (vortex->mixcapt[x]) 108 #define MIX_PLAYB(x) (vortex->mixplayb[x]) 109 #define MIX_SPDIF(x) (vortex->mixspdif[x]) 110 111 #define NR_WTPB 0x20 /* WT channels per eahc bank. */ 112 113 /* Structs */ 114 typedef struct { 115 //int this_08; /* Still unknown */ 116 int fifo_enabled; /* this_24 */ 117 int fifo_status; /* this_1c */ 118 int dma_ctrl; /* this_78 (ADB), this_7c (WT) */ 119 int dma_unknown; /* this_74 (ADB), this_78 (WT). WDM: +8 */ 120 int cfg0; 121 int cfg1; 122 123 int nr_ch; /* Nr of PCM channels in use */ 124 int type; /* Output type (ac97, a3d, spdif, i2s, dsp) */ 125 int dma; /* Hardware DMA index. */ 126 int dir; /* Stream Direction. */ 127 u32 resources[5]; 128 129 /* Virtual page extender stuff */ 130 int nr_periods; 131 int period_bytes; 132 snd_pcm_sgbuf_t *sgbuf; /* DMA Scatter Gather struct */ 133 int period_real; 134 int period_virt; 135 136 snd_pcm_substream_t *substream; 137 } stream_t; 138 139 typedef struct snd_vortex vortex_t; 140 struct snd_vortex { 141 /* ALSA structs. */ 142 snd_card_t *card; 143 snd_pcm_t *pcm[VORTEX_PCM_LAST]; 144 145 snd_rawmidi_t *rmidi; /* Legacy Midi interface. */ 146 ac97_t *codec; 147 148 /* Stream structs. */ 149 stream_t dma_adb[NR_ADB]; 150 int spdif_sr; 151 #ifndef CHIP_AU8810 152 stream_t dma_wt[NR_WT]; 153 wt_voice_t wt_voice[NR_WT]; /* WT register cache. */ 154 char mixwt[(NR_WT / NR_WTPB) * 6]; /* WT mixin objects */ 155 #endif 156 157 /* Global resources */ 158 s8 mixcapt[2]; 159 s8 mixplayb[4]; 160 #ifndef CHIP_AU8820 161 s8 mixspdif[2]; 162 s8 mixa3d[2]; /* mixers which collect all a3d streams. */ 163 s8 mixxtlk[2]; /* crosstalk canceler mixer inputs. */ 164 #endif 165 u32 fixed_res[5]; 166 167 #ifndef CHIP_AU8820 168 /* Hardware equalizer structs */ 169 eqlzr_t eq; 170 /* A3D structs */ 171 a3dsrc_t a3d[NR_A3D]; 172 /* Xtalk canceler */ 173 int xt_mode; /* 1: speakers, 0:headphones. */ 174 #endif 175 176 int isquad; /* cache of extended ID codec flag. */ 177 178 /* Gameport stuff. */ 179 struct gameport *gameport; 180 181 /* PCI hardware resources */ 182 unsigned long io; 183 unsigned long __iomem *mmio; 184 unsigned int irq; 185 spinlock_t lock; 186 187 /* PCI device */ 188 struct pci_dev *pci_dev; 189 u16 vendor; 190 u16 device; 191 u8 rev; 192 }; 193 194 /* Functions. */ 195 196 /* SRC */ 197 static void vortex_adb_setsrc(vortex_t * vortex, int adbdma, 198 unsigned int cvrt, int dir); 199 200 /* DMA Engines. */ 201 static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma, 202 snd_pcm_sgbuf_t * sgbuf, int size, 203 int count); 204 static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie, 205 int dir, int fmt, int d, 206 unsigned long offset); 207 static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb); 208 #ifndef CHIP_AU8810 209 static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma, 210 snd_pcm_sgbuf_t * sgbuf, int size, 211 int count); 212 static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d, /*int e, */ 213 unsigned long offset); 214 static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb); 215 #endif 216 217 static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma); 218 //static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma); 219 static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma); 220 static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma); 221 static int inline vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma); 222 static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma); 223 224 #ifndef CHIP_AU8810 225 static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma); 226 static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma); 227 static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma); 228 static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma); 229 static int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma); 230 #endif 231 232 /* global stuff. */ 233 static void vortex_codec_init(vortex_t * vortex); 234 static void vortex_codec_write(ac97_t * codec, unsigned short addr, 235 unsigned short data); 236 static unsigned short vortex_codec_read(ac97_t * codec, unsigned short addr); 237 static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode); 238 239 static int vortex_core_init(vortex_t * card); 240 static int vortex_core_shutdown(vortex_t * card); 241 static void vortex_enable_int(vortex_t * card); 242 static irqreturn_t vortex_interrupt(int irq, void *dev_id, 243 struct pt_regs *regs); 244 static int vortex_alsafmt_aspfmt(int alsafmt); 245 246 /* Connection stuff. */ 247 static void vortex_connect_default(vortex_t * vortex, int en); 248 static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch, 249 int dir, int type); 250 static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out, 251 int restype); 252 #ifndef CHIP_AU8810 253 static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch); 254 static void vortex_wt_connect(vortex_t * vortex, int en); 255 static void vortex_wt_init(vortex_t * vortex); 256 #endif 257 258 static void vortex_route(vortex_t * vortex, int en, unsigned char channel, 259 unsigned char source, unsigned char dest); 260 #if 0 261 static void vortex_routes(vortex_t * vortex, int en, unsigned char channel, 262 unsigned char source, unsigned char dest0, 263 unsigned char dest1); 264 #endif 265 static void vortex_connection_mixin_mix(vortex_t * vortex, int en, 266 unsigned char mixin, 267 unsigned char mix, int a); 268 static void vortex_mix_setinputvolumebyte(vortex_t * vortex, 269 unsigned char mix, int mixin, 270 unsigned char vol); 271 static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix, 272 unsigned char vol); 273 274 /* A3D functions. */ 275 #ifndef CHIP_AU8820 276 static void vortex_Vort3D(vortex_t * v, int en); 277 static void vortex_Vort3D_connect(vortex_t * vortex, int en); 278 static void vortex_Vort3D_InitializeSource(a3dsrc_t * a, int en); 279 #endif 280 281 /* Driver stuff. */ 282 static int __devinit vortex_gameport_register(vortex_t * card); 283 static void vortex_gameport_unregister(vortex_t * card); 284 #ifndef CHIP_AU8820 285 static int __devinit vortex_eq_init(vortex_t * vortex); 286 static int __devexit vortex_eq_free(vortex_t * vortex); 287 #endif 288 /* ALSA stuff. */ 289 static int __devinit snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr); 290 static int __devinit snd_vortex_mixer(vortex_t * vortex); 291 static int __devinit snd_vortex_midi(vortex_t * vortex); 292 #endif 293