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 /* Check for SDAC bit in "Extended audio ID" AC97 register */ 83 //#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ? 0 : ((x)->codec->ext_id&0x80)) 84 #define VORTEX_IS_QUAD(x) ((x)->isquad) 85 /* Check if chip has bug. */ 86 #define IS_BAD_CHIP(x) (\ 87 (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) || \ 88 (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE)) 89 90 91 /* PCM devices */ 92 #define VORTEX_PCM_ADB 0 93 #define VORTEX_PCM_SPDIF 1 94 #define VORTEX_PCM_A3D 2 95 #define VORTEX_PCM_WT 3 96 #define VORTEX_PCM_I2S 4 97 #define VORTEX_PCM_LAST 5 98 99 #define MIX_CAPT(x) (vortex->mixcapt[x]) 100 #define MIX_PLAYB(x) (vortex->mixplayb[x]) 101 #define MIX_SPDIF(x) (vortex->mixspdif[x]) 102 103 #define NR_WTPB 0x20 /* WT channels per eahc bank. */ 104 105 /* Structs */ 106 typedef struct { 107 //int this_08; /* Still unknown */ 108 int fifo_enabled; /* this_24 */ 109 int fifo_status; /* this_1c */ 110 int dma_ctrl; /* this_78 (ADB), this_7c (WT) */ 111 int dma_unknown; /* this_74 (ADB), this_78 (WT). WDM: +8 */ 112 int cfg0; 113 int cfg1; 114 115 int nr_ch; /* Nr of PCM channels in use */ 116 int type; /* Output type (ac97, a3d, spdif, i2s, dsp) */ 117 int dma; /* Hardware DMA index. */ 118 int dir; /* Stream Direction. */ 119 u32 resources[5]; 120 121 /* Virtual page extender stuff */ 122 int nr_periods; 123 int period_bytes; 124 snd_pcm_sgbuf_t *sgbuf; /* DMA Scatter Gather struct */ 125 int period_real; 126 int period_virt; 127 128 snd_pcm_substream_t *substream; 129 } stream_t; 130 131 typedef struct snd_vortex vortex_t; 132 struct snd_vortex { 133 /* ALSA structs. */ 134 snd_card_t *card; 135 snd_pcm_t *pcm[VORTEX_PCM_LAST]; 136 137 snd_rawmidi_t *rmidi; /* Legacy Midi interface. */ 138 ac97_t *codec; 139 140 /* Stream structs. */ 141 stream_t dma_adb[NR_ADB]; 142 int spdif_sr; 143 #ifndef CHIP_AU8810 144 stream_t dma_wt[NR_WT]; 145 wt_voice_t wt_voice[NR_WT]; /* WT register cache. */ 146 char mixwt[(NR_WT / NR_WTPB) * 6]; /* WT mixin objects */ 147 #endif 148 149 /* Global resources */ 150 s8 mixcapt[2]; 151 s8 mixplayb[4]; 152 #ifndef CHIP_AU8820 153 s8 mixspdif[2]; 154 s8 mixa3d[2]; /* mixers which collect all a3d streams. */ 155 s8 mixxtlk[2]; /* crosstalk canceler mixer inputs. */ 156 #endif 157 u32 fixed_res[5]; 158 159 #ifndef CHIP_AU8820 160 /* Hardware equalizer structs */ 161 eqlzr_t eq; 162 /* A3D structs */ 163 a3dsrc_t a3d[NR_A3D]; 164 /* Xtalk canceler */ 165 int xt_mode; /* 1: speakers, 0:headphones. */ 166 #endif 167 168 int isquad; /* cache of extended ID codec flag. */ 169 170 /* Gameport stuff. */ 171 struct gameport *gameport; 172 173 /* PCI hardware resources */ 174 unsigned long io; 175 unsigned long __iomem *mmio; 176 unsigned int irq; 177 spinlock_t lock; 178 179 /* PCI device */ 180 struct pci_dev *pci_dev; 181 u16 vendor; 182 u16 device; 183 u8 rev; 184 }; 185 186 /* Functions. */ 187 188 /* SRC */ 189 static void vortex_adb_setsrc(vortex_t * vortex, int adbdma, 190 unsigned int cvrt, int dir); 191 192 /* DMA Engines. */ 193 static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma, 194 snd_pcm_sgbuf_t * sgbuf, int size, 195 int count); 196 static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie, 197 int dir, int fmt, int d, 198 unsigned long offset); 199 static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb); 200 #ifndef CHIP_AU8810 201 static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma, 202 snd_pcm_sgbuf_t * sgbuf, int size, 203 int count); 204 static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d, /*int e, */ 205 unsigned long offset); 206 static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb); 207 #endif 208 209 static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma); 210 //static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma); 211 static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma); 212 static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma); 213 static int inline vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma); 214 static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma); 215 216 #ifndef CHIP_AU8810 217 static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma); 218 static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma); 219 static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma); 220 static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma); 221 static int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma); 222 #endif 223 224 /* global stuff. */ 225 static void vortex_codec_init(vortex_t * vortex); 226 static void vortex_codec_write(ac97_t * codec, unsigned short addr, 227 unsigned short data); 228 static unsigned short vortex_codec_read(ac97_t * codec, unsigned short addr); 229 static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode); 230 231 static int vortex_core_init(vortex_t * card); 232 static int vortex_core_shutdown(vortex_t * card); 233 static void vortex_enable_int(vortex_t * card); 234 static irqreturn_t vortex_interrupt(int irq, void *dev_id, 235 struct pt_regs *regs); 236 static int vortex_alsafmt_aspfmt(int alsafmt); 237 238 /* Connection stuff. */ 239 static void vortex_connect_default(vortex_t * vortex, int en); 240 static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch, 241 int dir, int type); 242 static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out, 243 int restype); 244 #ifndef CHIP_AU8810 245 static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch); 246 static void vortex_wt_connect(vortex_t * vortex, int en); 247 static void vortex_wt_init(vortex_t * vortex); 248 #endif 249 250 static void vortex_route(vortex_t * vortex, int en, unsigned char channel, 251 unsigned char source, unsigned char dest); 252 #if 0 253 static void vortex_routes(vortex_t * vortex, int en, unsigned char channel, 254 unsigned char source, unsigned char dest0, 255 unsigned char dest1); 256 #endif 257 static void vortex_connection_mixin_mix(vortex_t * vortex, int en, 258 unsigned char mixin, 259 unsigned char mix, int a); 260 static void vortex_mix_setinputvolumebyte(vortex_t * vortex, 261 unsigned char mix, int mixin, 262 unsigned char vol); 263 static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix, 264 unsigned char vol); 265 266 /* A3D functions. */ 267 #ifndef CHIP_AU8820 268 static void vortex_Vort3D(vortex_t * v, int en); 269 static void vortex_Vort3D_connect(vortex_t * vortex, int en); 270 static void vortex_Vort3D_InitializeSource(a3dsrc_t * a, int en); 271 #endif 272 273 /* Driver stuff. */ 274 static int __devinit vortex_gameport_register(vortex_t * card); 275 static void vortex_gameport_unregister(vortex_t * card); 276 #ifndef CHIP_AU8820 277 static int __devinit vortex_eq_init(vortex_t * vortex); 278 static int __devexit vortex_eq_free(vortex_t * vortex); 279 #endif 280 /* ALSA stuff. */ 281 static int __devinit snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr); 282 static int __devinit snd_vortex_mixer(vortex_t * vortex); 283 static int __devinit snd_vortex_midi(vortex_t * vortex); 284 #endif 285