Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /*
  2     Aureal Vortex Soundcard driver.
  3 
  4     IO addr collected from asp4core.vxd:
  5     function    address
  6     0005D5A0    13004
  7     00080674    14004
  8     00080AFF    12818
  9 
 10  */
 11 
 12 #define CHIP_AU8820
 13 
 14 #define CARD_NAME "Aureal Vortex 3D Sound Processor"
 15 #define CARD_NAME_SHORT "au8820"
 16 
 17 /* Number of ADB and WT channels */
 18 #define NR_ADB          0x10
 19 #define NR_WT           0x20
 20 #define NR_SRC          0x10
 21 #define NR_A3D          0x00
 22 #define NR_MIXIN        0x10
 23 #define NR_MIXOUT       0x10
 24 
 25 
 26 /* ADBDMA */
 27 #define VORTEX_ADBDMA_STAT 0x105c0      /* read only, subbuffer, DMA pos */
 28 #define         POS_MASK 0x00000fff
 29 #define     POS_SHIFT 0x0
 30 #define         ADB_SUBBUF_MASK 0x00003000      /* ADB only. */
 31 #define     ADB_SUBBUF_SHIFT 0xc        /* ADB only. */
 32 #define VORTEX_ADBDMA_CTRL 0x10580      /* write only, format, flags, DMA pos */
 33 #define         OFFSET_MASK 0x00000fff
 34 #define     OFFSET_SHIFT 0x0
 35 #define         IE_MASK 0x00001000      /* interrupt enable. */
 36 #define     IE_SHIFT 0xc
 37 #define     DIR_MASK 0x00002000 /* Direction. */
 38 #define     DIR_SHIFT 0xd
 39 #define         FMT_MASK 0x0003c000
 40 #define         FMT_SHIFT 0xe
 41 // The masks and shift also work for the wtdma, if not specified otherwise.
 42 #define VORTEX_ADBDMA_BUFCFG0 0x10400
 43 #define VORTEX_ADBDMA_BUFCFG1 0x10404
 44 #define VORTEX_ADBDMA_BUFBASE 0x10200
 45 #define VORTEX_ADBDMA_START 0x106c0     /* Which subbuffer starts */
 46 #define VORTEX_ADBDMA_STATUS 0x10600    /* stored at AdbDma->this_10 / 2 DWORD in size. */
 47 
 48 /* ADB */
 49 #define VORTEX_ADB_SR 0x10a00   /* Samplerates enable/disable */
 50 #define VORTEX_ADB_RTBASE 0x10800
 51 #define VORTEX_ADB_RTBASE_COUNT 103
 52 #define VORTEX_ADB_CHNBASE 0x1099c
 53 #define VORTEX_ADB_CHNBASE_COUNT 22
 54 #define         ROUTE_MASK      0x3fff
 55 #define     ADB_MASK   0x7f
 56 #define         ADB_SHIFT 0x7
 57 //#define     ADB_MIX_MASK 0xf
 58 /* ADB address */
 59 #define         OFFSET_ADBDMA   0x00
 60 #define         OFFSET_SRCOUT   0x10    /* on channel 0x11 */
 61 #define         OFFSET_SRCIN    0x10    /* on channel < 0x11 */
 62 #define         OFFSET_MIXOUT   0x20    /* source */
 63 #define         OFFSET_MIXIN    0x30    /* sink */
 64 #define         OFFSET_CODECIN  0x48    /* ADB source */
 65 #define         OFFSET_CODECOUT 0x58    /* ADB sink/target */
 66 #define         OFFSET_SPORTOUT 0x60    /* sink */
 67 #define         OFFSET_SPORTIN  0x50    /* source */
 68 #define         OFFSET_EFXOUT   0x50    /* sink */
 69 #define         OFFSET_EFXIN    0x40    /* source */
 70 #define         OFFSET_A3DOUT   0x00    /* This card has no HRTF :( */
 71 #define         OFFSET_A3DIN    0x00
 72 #define         OFFSET_WTOUT    0x58    /*  */
 73 
 74 /* ADB route translate helper */
 75 #define ADB_DMA(x) (x + OFFSET_ADBDMA)
 76 #define ADB_SRCOUT(x) (x + OFFSET_SRCOUT)
 77 #define ADB_SRCIN(x) (x + OFFSET_SRCIN)
 78 #define ADB_MIXOUT(x) (x + OFFSET_MIXOUT)
 79 #define ADB_MIXIN(x) (x + OFFSET_MIXIN)
 80 #define ADB_CODECIN(x) (x + OFFSET_CODECIN)
 81 #define ADB_CODECOUT(x) (x + OFFSET_CODECOUT)
 82 #define ADB_SPORTOUT(x) (x + OFFSET_SPORTOUT)
 83 #define ADB_SPORTIN(x) (x + OFFSET_SPORTIN)     /*  */
 84 #define ADB_A3DOUT(x) (x + OFFSET_A3DOUT)       /* 8 A3D blocks */
 85 #define ADB_A3DIN(x) (x + OFFSET_A3DIN)
 86 #define ADB_WTOUT(x,y) (y + OFFSET_WTOUT)
 87 
 88 /* WTDMA */
 89 #define VORTEX_WTDMA_CTRL 0x10500       /* format, DMA pos */
 90 #define VORTEX_WTDMA_STAT 0x10500       /* DMA subbuf, DMA pos */
 91 #define     WT_SUBBUF_MASK (0x3 << WT_SUBBUF_SHIFT)
 92 #define     WT_SUBBUF_SHIFT 0x15
 93 #define VORTEX_WTDMA_BUFBASE 0x10000
 94 #define VORTEX_WTDMA_BUFCFG0 0x10300
 95 #define VORTEX_WTDMA_BUFCFG1 0x10304
 96 #define VORTEX_WTDMA_START 0x10640      /* which subbuffer is first */
 97 
 98 #define VORTEX_WT_BASE 0x9000
 99 
100 /* MIXER */
101 #define VORTEX_MIXER_SR 0x9f00
102 #define VORTEX_MIXER_CLIP 0x9f80
103 #define VORTEX_MIXER_CHNBASE 0x9e40
104 #define VORTEX_MIXER_RTBASE 0x9e00
105 #define         MIXER_RTBASE_SIZE 0x26
106 #define VORTEX_MIX_ENIN 0x9a00  /* Input enable bits. 4 bits wide. */
107 #define VORTEX_MIX_SMP 0x9c00
108 
109 /* MIX */
110 #define VORTEX_MIX_INVOL_A 0x9000       /* in? */
111 #define VORTEX_MIX_INVOL_B 0x8000       /* out? */
112 #define VORTEX_MIX_VOL_A 0x9800
113 #define VORTEX_MIX_VOL_B 0x8800
114 
115 #define         VOL_MIN 0x80    /* Input volume when muted. */
116 #define         VOL_MAX 0x7f    /* FIXME: Not confirmed! Just guessed. */
117 
118 //#define MIX_OUTL    0xe
119 //#define MIX_OUTR    0xf
120 //#define MIX_INL     0xe
121 //#define MIX_INR     0xf
122 #define MIX_DEFIGAIN 0x08       /* 0x8 => 6dB */
123 #define MIX_DEFOGAIN 0x08
124 
125 /* SRC */
126 #define VORTEX_SRCBLOCK_SR      0xccc0
127 #define VORTEX_SRC_CHNBASE      0xcc40
128 #define VORTEX_SRC_RTBASE       0xcc00
129 #define VORTEX_SRC_SOURCE       0xccc4
130 #define VORTEX_SRC_SOURCESIZE 0xccc8
131 #define VORTEX_SRC_U0           0xce00
132 #define VORTEX_SRC_DRIFT0       0xce80
133 #define VORTEX_SRC_DRIFT1       0xcec0
134 #define VORTEX_SRC_U1           0xcf00
135 #define VORTEX_SRC_DRIFT2       0xcf40
136 #define VORTEX_SRC_U2           0xcf80
137 #define VORTEX_SRC_DATA         0xc800
138 #define VORTEX_SRC_DATA0        0xc000
139 #define VORTEX_SRC_CONVRATIO 0xce40
140 //#define     SRC_RATIO(x) ((((x<<15)/48000) + 1)/2) /* Playback */
141 //#define     SRC_RATIO2(x) ((((48000<<15)/x) + 1)/2) /* Recording */
142 
143 /* FIFO */
144 #define VORTEX_FIFO_ADBCTRL 0xf800      /* Control bits. */
145 #define VORTEX_FIFO_WTCTRL 0xf840
146 #define         FIFO_RDONLY     0x00000001
147 #define         FIFO_CTRL       0x00000002      /* Allow ctrl. ? */
148 #define         FIFO_VALID      0x00000010
149 #define         FIFO_EMPTY      0x00000020
150 #define         FIFO_U0         0x00001000      /* Unknown. */
151 #define         FIFO_U1         0x00010000
152 #define         FIFO_SIZE_BITS 5
153 #define         FIFO_SIZE       (1<<FIFO_SIZE_BITS)     // 0x20
154 #define         FIFO_MASK       (FIFO_SIZE-1)   //0x1f    /* at shift left 0xc */
155 #define VORTEX_FIFO_ADBDATA 0xe000
156 #define VORTEX_FIFO_WTDATA 0xe800
157 
158 /* CODEC */
159 #define VORTEX_CODEC_CTRL 0x11984
160 #define VORTEX_CODEC_EN 0x11990
161 #define         EN_CODEC        0x00000300
162 #define         EN_SPORT        0x00030000
163 #define         EN_SPDIF        0x000c0000
164 #define VORTEX_CODEC_CHN 0x11880
165 #define VORTEX_CODEC_IO 0x11988
166 
167 #define VORTEX_SPDIF_FLAGS              0x1005c /* FIXME */
168 #define VORTEX_SPDIF_CFG0               0x119D0
169 #define VORTEX_SPDIF_CFG1               0x119D4
170 #define VORTEX_SPDIF_SMPRATE    0x11994
171 
172 /* Sample timer */
173 #define VORTEX_SMP_TIME 0x11998
174 
175 /* IRQ */
176 #define VORTEX_IRQ_SOURCE 0x12800       /* Interrupt source flags. */
177 #define VORTEX_IRQ_CTRL 0x12804 /* Interrupt source mask. */
178 
179 #define VORTEX_STAT             0x12808 /* ?? */
180 
181 #define VORTEX_CTRL 0x1280c
182 #define         CTRL_MIDI_EN 0x00000001
183 #define         CTRL_MIDI_PORT 0x00000060
184 #define         CTRL_GAME_EN 0x00000008
185 #define         CTRL_GAME_PORT 0x00000e00
186 #define         CTRL_IRQ_ENABLE 0x4000
187 
188 /* write: Timer period config / read: TIMER IRQ ack. */
189 #define VORTEX_IRQ_STAT 0x1199c
190 
191 /* DMA */
192 #define VORTEX_DMA_BUFFER 0x10200
193 #define VORTEX_ENGINE_CTRL 0x1060c
194 #define         ENGINE_INIT 0x0L
195 
196                      /* MIDI *//* GAME. */
197 #define VORTEX_MIDI_DATA 0x11000
198 #define VORTEX_MIDI_CMD 0x11004 /* Write command / Read status */
199 #define VORTEX_GAME_LEGACY 0x11008
200 #define VORTEX_CTRL2 0x1100c
201 #define         CTRL2_GAME_ADCMODE 0x40
202 #define VORTEX_GAME_AXIS 0x11010
203 #define         AXIS_SIZE 4
204 #define         AXIS_RANGE 0x1fff
205 
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