5 #include <linux/i2c-algo-bit.h>
7 /* membase0 register offsets */
10 #define SIPMONITOR 0x08
11 #define LFBMEMORYCONFIG 0x0c
12 #define MISCINIT0 0x10
13 #define MISCINIT1 0x14
14 #define DRAMINIT0 0x18
15 #define DRAMINIT1 0x1c
17 #define TMUGBEINIT 0x24
20 #define DRAMCOMMAND 0x30
30 #define RGBMAXDELTA 0x58
31 #define VIDPROCCFG 0x5c
32 #define HWCURPATADDR 0x60
36 #define VIDINFORMAT 0x70
37 #define VIDINSTATUS 0x74
38 #define VIDSERPARPORT 0x78
39 #define VIDINXDELTA 0x7c
40 #define VIDININITERR 0x80
41 #define VIDINYDELTA 0x84
42 #define VIDPIXBUFTHOLD 0x88
43 #define VIDCHRMIN 0x8c
44 #define VIDCHRMAX 0x90
45 #define VIDCURLIN 0x94
46 #define VIDSCREENSIZE 0x98
47 #define VIDOVRSTARTCRD 0x9c
48 #define VIDOVRENDCRD 0xa0
49 #define VIDOVRDUDX 0xa4
50 #define VIDOVRDUDXOFF 0xa8
51 #define VIDOVRDVDY 0xac
53 #define VIDOVRDVDYOFF 0xe0
54 #define VIDDESKSTART 0xe4
55 #define VIDDESKSTRIDE 0xe8
56 #define VIDINADDR0 0xec
57 #define VIDINADDR1 0xf0
58 #define VIDINADDR2 0xf4
59 #define VIDINSTRIDE 0xf8
60 #define VIDCUROVRSTART 0xfc
62 #define INTCTRL (0x00100000 + 0x04)
63 #define CLIP0MIN (0x00100000 + 0x08)
64 #define CLIP0MAX (0x00100000 + 0x0c)
65 #define DSTBASE (0x00100000 + 0x10)
66 #define DSTFORMAT (0x00100000 + 0x14)
67 #define SRCBASE (0x00100000 + 0x34)
68 #define COMMANDEXTRA_2D (0x00100000 + 0x38)
69 #define CLIP1MIN (0x00100000 + 0x4c)
70 #define CLIP1MAX (0x00100000 + 0x50)
71 #define SRCFORMAT (0x00100000 + 0x54)
72 #define SRCSIZE (0x00100000 + 0x58)
73 #define SRCXY (0x00100000 + 0x5c)
74 #define COLORBACK (0x00100000 + 0x60)
75 #define COLORFORE (0x00100000 + 0x64)
76 #define DSTSIZE (0x00100000 + 0x68)
77 #define DSTXY (0x00100000 + 0x6c)
78 #define COMMAND_2D (0x00100000 + 0x70)
79 #define LAUNCH_2D (0x00100000 + 0x80)
81 #define COMMAND_3D (0x00200000 + 0x120)
83 /* register bitfields (not all, only as needed) */
85 /* COMMAND_2D reg. values */
86 #define TDFX_ROP_COPY 0xcc /* src */
87 #define TDFX_ROP_INVERT 0x55 /* NOT dst */
88 #define TDFX_ROP_XOR 0x66 /* src XOR dst */
90 #define AUTOINC_DSTX BIT(10)
91 #define AUTOINC_DSTY BIT(11)
92 #define COMMAND_2D_FILLRECT 0x05
93 #define COMMAND_2D_S2S_BITBLT 0x01 /* screen to screen */
94 #define COMMAND_2D_H2S_BITBLT 0x03 /* host to screen */
96 #define COMMAND_3D_NOP 0x00
97 #define STATUS_RETRACE BIT(6)
98 #define STATUS_BUSY BIT(9)
99 #define MISCINIT1_CLUT_INV BIT(0)
100 #define MISCINIT1_2DBLOCK_DIS BIT(15)
101 #define DRAMINIT0_SGRAM_NUM BIT(26)
102 #define DRAMINIT0_SGRAM_TYPE BIT(27)
103 #define DRAMINIT0_SGRAM_TYPE_MASK (BIT(27) | BIT(28) | BIT(29))
104 #define DRAMINIT0_SGRAM_TYPE_SHIFT 27
105 #define DRAMINIT1_MEM_SDRAM BIT(30)
106 #define VGAINIT0_VGA_DISABLE BIT(0)
107 #define VGAINIT0_EXT_TIMING BIT(1)
108 #define VGAINIT0_8BIT_DAC BIT(2)
109 #define VGAINIT0_EXT_ENABLE BIT(6)
110 #define VGAINIT0_WAKEUP_3C3 BIT(8)
111 #define VGAINIT0_LEGACY_DISABLE BIT(9)
112 #define VGAINIT0_ALT_READBACK BIT(10)
113 #define VGAINIT0_FAST_BLINK BIT(11)
114 #define VGAINIT0_EXTSHIFTOUT BIT(12)
115 #define VGAINIT0_DECODE_3C6 BIT(13)
116 #define VGAINIT0_SGRAM_HBLANK_DISABLE BIT(22)
117 #define VGAINIT1_MASK 0x1fffff
118 #define VIDCFG_VIDPROC_ENABLE BIT(0)
119 #define VIDCFG_CURS_X11 BIT(1)
120 #define VIDCFG_INTERLACE BIT(3)
121 #define VIDCFG_HALF_MODE BIT(4)
122 #define VIDCFG_DESK_ENABLE BIT(7)
123 #define VIDCFG_CLUT_BYPASS BIT(10)
124 #define VIDCFG_2X BIT(26)
125 #define VIDCFG_HWCURSOR_ENABLE BIT(27)
126 #define VIDCFG_PIXFMT_SHIFT 18
127 #define DACMODE_2X BIT(0)
129 /* I2C bit locations in the VIDSERPARPORT register */
130 #define DDC_ENAB 0x00040000
131 #define DDC_SCL_OUT 0x00080000
132 #define DDC_SDA_OUT 0x00100000
133 #define DDC_SCL_IN 0x00200000
134 #define DDC_SDA_IN 0x00400000
135 #define I2C_ENAB 0x00800000
136 #define I2C_SCL_OUT 0x01000000
137 #define I2C_SDA_OUT 0x02000000
138 #define I2C_SCL_IN 0x04000000
139 #define I2C_SDA_IN 0x08000000
141 /* VGA rubbish, need to change this for multihead support */
157 unsigned char att[21];
158 unsigned char crt[25];
159 unsigned char gra[9];
160 unsigned char misc[1];
161 unsigned char seq[5];
163 /* Banshee extensions */
164 unsigned char ext[2];
165 unsigned long vidcfg;
166 unsigned long vidpll;
167 unsigned long mempll;
168 unsigned long gfxpll;
169 unsigned long dacmode;
170 unsigned long vgainit0;
171 unsigned long vgainit1;
172 unsigned long screensize;
173 unsigned long stride;
174 unsigned long cursloc;
175 unsigned long curspataddr;
176 unsigned long cursc0;
177 unsigned long cursc1;
178 unsigned long startaddr;
179 unsigned long clip0min;
180 unsigned long clip0max;
181 unsigned long clip1min;
182 unsigned long clip1max;
183 unsigned long miscinit0;
188 struct tdfxfb_i2c_chan {
189 struct tdfx_par *par;
190 struct i2c_adapter adapter;
191 struct i2c_algo_bit_data algo;
197 void __iomem *regbase_virt;
198 unsigned long iobase;
200 #ifdef CONFIG_FB_3DFX_I2C
201 struct tdfxfb_i2c_chan chan[2];
205 #endif /* __KERNEL__ */