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i810.h
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1 /*-*- linux-c -*-
2  * linux/drivers/video/i810.h -- Intel 810 General Definitions/Declarations
3  *
4  * Copyright (C) 2001 Antonino Daplas<[email protected]>
5  * All Rights Reserved
6  *
7  *
8  * This file is subject to the terms and conditions of the GNU General Public
9  * License. See the file COPYING in the main directory of this archive for
10  * more details.
11  */
12 
13 #ifndef __I810_H__
14 #define __I810_H__
15 
16 #include <linux/list.h>
17 #include <linux/agp_backend.h>
18 #include <linux/fb.h>
19 #include <linux/i2c.h>
20 #include <linux/i2c-algo-bit.h>
21 #include <video/vga.h>
22 
23 /* Fence */
24 #define TILEWALK_X (0 << 12)
25 #define TILEWALK_Y (1 << 12)
26 
27 /* Raster ops */
28 #define COLOR_COPY_ROP 0xF0
29 #define PAT_COPY_ROP 0xCC
30 #define CLEAR_ROP 0x00
31 #define WHITE_ROP 0xFF
32 #define INVERT_ROP 0x55
33 #define XOR_ROP 0x5A
34 
35 /* 2D Engine definitions */
36 #define SOLIDPATTERN 0x80000000
37 #define NONSOLID 0x00000000
38 #define BPP8 (0 << 24)
39 #define BPP16 (1 << 24)
40 #define BPP24 (2 << 24)
41 
42 #define PIXCONF8 (2 << 16)
43 #define PIXCONF15 (4 << 16)
44 #define PIXCONF16 (5 << 16)
45 #define PIXCONF24 (6 << 16)
46 #define PIXCONF32 (7 << 16)
47 
48 #define DYN_COLOR_EN (1 << 26)
49 #define DYN_COLOR_DIS (0 << 26)
50 #define INCREMENT 0x00000000
51 #define DECREMENT (0x01 << 30)
52 #define ARB_ON 0x00000001
53 #define ARB_OFF 0x00000000
54 #define SYNC_FLIP 0x00000000
55 #define ASYNC_FLIP 0x00000040
56 #define OPTYPE_MASK 0xE0000000
57 #define PARSER_MASK 0x001F8000
58 #define D2_MASK 0x001FC000 /* 2D mask */
59 
60 /* Instruction type */
61 /* There are more but pertains to 3D */
62 #define PARSER 0x00000000
63 #define BLIT (0x02 << 29)
64 #define RENDER (0x03 << 29)
65 
66 /* Parser */
67 #define NOP 0x00 /* No operation, padding */
68 #define BP_INT (0x01 << 23) /* Breakpoint interrupt */
69 #define USR_INT (0x02 << 23) /* User interrupt */
70 #define WAIT_FOR_EVNT (0x03 << 23) /* Wait for event */
71 #define FLUSH (0x04 << 23)
72 #define CONTEXT_SEL (0x05 << 23)
73 #define REPORT_HEAD (0x07 << 23)
74 #define ARB_ON_OFF (0x08 << 23)
75 #define OVERLAY_FLIP (0x11 << 23)
76 #define LOAD_SCAN_INC (0x12 << 23)
77 #define LOAD_SCAN_EX (0x13 << 23)
78 #define FRONT_BUFFER (0x14 << 23)
79 #define DEST_BUFFER (0x15 << 23)
80 #define Z_BUFFER (0x16 << 23)
81 
82 #define STORE_DWORD_IMM (0x20 << 23)
83 #define STORE_DWORD_IDX (0x21 << 23)
84 #define BATCH_BUFFER (0x30 << 23)
85 
86 /* Blit */
87 #define SETUP_BLIT 0x00
88 #define SETUP_MONO_PATTERN_SL_BLT (0x10 << 22)
89 #define PIXEL_BLT (0x20 << 22)
90 #define SCANLINE_BLT (0x21 << 22)
91 #define TEXT_BLT (0x22 << 22)
92 #define TEXT_IMM_BLT (0x30 << 22)
93 #define COLOR_BLT (0x40 << 22)
94 #define MONO_PAT_BLIT (0x42 << 22)
95 #define SOURCE_COPY_BLIT (0x43 << 22)
96 #define MONO_SOURCE_COPY_BLIT (0x44 << 22)
97 #define SOURCE_COPY_IMMEDIATE (0x60 << 22)
98 #define MONO_SOURCE_COPY_IMMEDIATE (0x61 << 22)
99 
100 #define VERSION_MAJOR 0
101 #define VERSION_MINOR 9
102 #define VERSION_TEENIE 0
103 #define BRANCH_VERSION ""
104 
105 
106 /* mvo: intel i815 */
107 #ifndef PCI_DEVICE_ID_INTEL_82815_100
108  #define PCI_DEVICE_ID_INTEL_82815_100 0x1102
109 #endif
110 #ifndef PCI_DEVICE_ID_INTEL_82815_NOAGP
111  #define PCI_DEVICE_ID_INTEL_82815_NOAGP 0x1112
112 #endif
113 #ifndef PCI_DEVICE_ID_INTEL_82815_FULL_CTRL
114  #define PCI_DEVICE_ID_INTEL_82815_FULL_CTRL 0x1130
115 #endif
116 
117 /* General Defines */
118 #define I810_PAGESIZE 4096
119 #define MAX_DMA_SIZE (1024 * 4096)
120 #define SAREA_SIZE 4096
121 #define PCI_I810_MISCC 0x72
122 #define MMIO_SIZE (512*1024)
123 #define GTT_SIZE (16*1024)
124 #define RINGBUFFER_SIZE (64*1024)
125 #define CURSOR_SIZE 4096
126 #define OFF 0
127 #define ON 1
128 #define MAX_KEY 256
129 #define WAIT_COUNT 10000000
130 #define IRING_PAD 8
131 #define FONTDATAMAX 8192
132 /* Masks (AND ops) and OR's */
133 #define FB_START_MASK (0x3f << (32 - 6))
134 #define MMIO_ADDR_MASK (0x1FFF << (32 - 13))
135 #define FREQ_MASK (1 << 4)
136 #define SCR_OFF 0x20
137 #define DRAM_ON 0x08
138 #define DRAM_OFF 0xE7
139 #define PG_ENABLE_MASK 0x01
140 #define RING_SIZE_MASK (RINGBUFFER_SIZE - 1)
141 
142 /* defines for restoring registers partially */
143 #define ADDR_MAP_MASK (0x07 << 5)
144 #define DISP_CTRL ~0
145 #define PIXCONF_0 (0x64 << 8)
146 #define PIXCONF_2 (0xF3 << 24)
147 #define PIXCONF_1 (0xF0 << 16)
148 #define MN_MASK 0x3FF03FF
149 #define P_OR (0x7 << 4)
150 #define DAC_BIT (1 << 16)
151 #define INTERLACE_BIT (1 << 7)
152 #define IER_MASK (3 << 13)
153 #define IMR_MASK (3 << 13)
154 
155 /* Power Management */
156 #define DPMS_MASK 0xF0000
157 #define POWERON 0x00000
158 #define STANDBY 0x20000
159 #define SUSPEND 0x80000
160 #define POWERDOWN 0xA0000
161 #define EMR_MASK ~0x3F
162 #define FW_BLC_MASK ~(0x3F|(7 << 8)|(0x3F << 12)|(7 << 20))
163 
164 /* Ringbuffer */
165 #define RBUFFER_START_MASK 0xFFFFF000
166 #define RBUFFER_SIZE_MASK 0x001FF000
167 #define RBUFFER_HEAD_MASK 0x001FFFFC
168 #define RBUFFER_TAIL_MASK 0x001FFFF8
169 
170 /* Video Timings */
171 #define REF_FREQ 24000000
172 #define TARGET_N_MAX 30
173 
174 #define MAX_PIXELCLOCK 230000000
175 #define MIN_PIXELCLOCK 15000000
176 #define VFMAX 60
177 #define VFMIN 60
178 #define HFMAX 30000
179 #define HFMIN 29000
180 
181 /* Cursor */
182 #define CURSOR_ENABLE_MASK 0x1000
183 #define CURSOR_MODE_64_TRANS 4
184 #define CURSOR_MODE_64_XOR 5
185 #define CURSOR_MODE_64_3C 6
186 #define COORD_INACTIVE 0
187 #define COORD_ACTIVE (1 << 4)
188 #define EXTENDED_PALETTE 1
189 
190 /* AGP Memory Types*/
191 #define AGP_NORMAL_MEMORY 0
192 #define AGP_DCACHE_MEMORY 1
193 #define AGP_PHYSICAL_MEMORY 2
194 
195 /* Allocated resource Flags */
196 #define FRAMEBUFFER_REQ 1
197 #define MMIO_REQ 2
198 #define PCI_DEVICE_ENABLED 4
199 #define HAS_FONTCACHE 8
200 
201 /* driver flags */
202 #define HAS_MTRR 1
203 #define HAS_ACCELERATION 2
204 #define ALWAYS_SYNC 4
205 #define LOCKUP 8
206 
207 struct gtt_data {
208  struct agp_memory *i810_fb_memory;
209  struct agp_memory *i810_cursor_memory;
210 };
211 
212 struct mode_registers {
213  u32 pixclock, M, N, P;
214  u8 cr00, cr01, cr02, cr03;
215  u8 cr04, cr05, cr06, cr07;
216  u8 cr09, cr10, cr11, cr12;
217  u8 cr13, cr15, cr16, cr30;
218  u8 cr31, cr32, cr33, cr35, cr39;
219  u32 bpp8_100, bpp16_100;
220  u32 bpp24_100, bpp8_133;
221  u32 bpp16_133, bpp24_133;
222  u8 msr;
223 };
224 
225 struct heap_data {
226  unsigned long physical;
227  __u8 __iomem *virtual;
228  u32 offset;
229  u32 size;
230 };
231 
232 struct state_registers {
233  u32 dclk_1d, dclk_2d, dclk_0ds;
234  u32 pixconf, fw_blc, pgtbl_ctl;
235  u32 fence0, hws_pga, dplystas;
236  u16 bltcntl, hwstam, ier, iir, imr;
237  u8 cr00, cr01, cr02, cr03, cr04;
238  u8 cr05, cr06, cr07, cr08, cr09;
239  u8 cr10, cr11, cr12, cr13, cr14;
240  u8 cr15, cr16, cr17, cr80, gr10;
241  u8 cr30, cr31, cr32, cr33, cr35;
242  u8 cr39, cr41, cr70, sr01, msr;
243 };
244 
245 struct i810fb_par;
246 
247 struct i810fb_i2c_chan {
248  struct i810fb_par *par;
249  struct i2c_adapter adapter;
250  struct i2c_algo_bit_data algo;
251  unsigned long ddc_base;
252 };
253 
254 struct i810fb_par {
255  struct mode_registers regs;
256  struct state_registers hw_state;
257  struct gtt_data i810_gtt;
258  struct fb_ops i810fb_ops;
259  struct pci_dev *dev;
260  struct heap_data aperture;
261  struct heap_data fb;
262  struct heap_data iring;
263  struct heap_data cursor_heap;
264  struct vgastate state;
265  struct i810fb_i2c_chan chan[3];
266  struct mutex open_lock;
267  unsigned int use_count;
268  u32 pseudo_palette[16];
269  unsigned long mmio_start_phys;
270  u8 __iomem *mmio_start_virtual;
271  u8 *edid;
272  u32 pitch;
273  u32 pixconf;
274  u32 watermark;
275  u32 mem_freq;
276  u32 res_flags;
277  u32 dev_flags;
278  u32 cur_tail;
279  u32 depth;
280  u32 blit_bpp;
281  u32 ovract;
282  u32 cur_state;
283  u32 ddc_num;
284  int mtrr_reg;
285  u16 bltcntl;
286  u8 interlace;
287 };
288 
289 /*
290  * Register I/O
291  */
292 #define i810_readb(where, mmio) readb(mmio + where)
293 #define i810_readw(where, mmio) readw(mmio + where)
294 #define i810_readl(where, mmio) readl(mmio + where)
295 #define i810_writeb(where, mmio, val) writeb(val, mmio + where)
296 #define i810_writew(where, mmio, val) writew(val, mmio + where)
297 #define i810_writel(where, mmio, val) writel(val, mmio + where)
298 
299 #endif /* __I810_H__ */
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