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1da177e4 LT |
1 | /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*- |
2 | */ | |
3 | /************************************************************************** | |
bc54fd1a | 4 | * |
1da177e4 LT |
5 | * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
6 | * All Rights Reserved. | |
bc54fd1a DA |
7 | * |
8 | * Permission is hereby granted, free of charge, to any person obtaining a | |
9 | * copy of this software and associated documentation files (the | |
10 | * "Software"), to deal in the Software without restriction, including | |
11 | * without limitation the rights to use, copy, modify, merge, publish, | |
12 | * distribute, sub license, and/or sell copies of the Software, and to | |
13 | * permit persons to whom the Software is furnished to do so, subject to | |
14 | * the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice (including the | |
17 | * next paragraph) shall be included in all copies or substantial portions | |
18 | * of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
21 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
22 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. | |
23 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR | |
24 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
25 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
26 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
27 | * | |
1da177e4 LT |
28 | **************************************************************************/ |
29 | ||
30 | #ifndef _I915_DRV_H_ | |
31 | #define _I915_DRV_H_ | |
32 | ||
33 | /* General customization: | |
34 | */ | |
35 | ||
36 | #define DRIVER_AUTHOR "Tungsten Graphics, Inc." | |
37 | ||
38 | #define DRIVER_NAME "i915" | |
39 | #define DRIVER_DESC "Intel Graphics" | |
40 | #define DRIVER_DATE "20040405" | |
41 | ||
42 | /* Interface history: | |
43 | * | |
44 | * 1.1: Original. | |
45 | */ | |
46 | #define DRIVER_MAJOR 1 | |
47 | #define DRIVER_MINOR 1 | |
48 | #define DRIVER_PATCHLEVEL 0 | |
49 | ||
50 | /* We use our own dma mechanisms, not the drm template code. However, | |
51 | * the shared IRQ code is useful to us: | |
52 | */ | |
53 | #define __HAVE_PM 1 | |
54 | ||
55 | typedef struct _drm_i915_ring_buffer { | |
56 | int tail_mask; | |
57 | unsigned long Start; | |
58 | unsigned long End; | |
59 | unsigned long Size; | |
60 | u8 *virtual_start; | |
61 | int head; | |
62 | int tail; | |
63 | int space; | |
64 | drm_local_map_t map; | |
65 | } drm_i915_ring_buffer_t; | |
66 | ||
67 | struct mem_block { | |
68 | struct mem_block *next; | |
69 | struct mem_block *prev; | |
70 | int start; | |
71 | int size; | |
72 | DRMFILE filp; /* 0: free, -1: heap, other: real files */ | |
73 | }; | |
74 | ||
75 | typedef struct drm_i915_private { | |
76 | drm_local_map_t *sarea; | |
77 | drm_local_map_t *mmio_map; | |
78 | ||
79 | drm_i915_sarea_t *sarea_priv; | |
80 | drm_i915_ring_buffer_t ring; | |
81 | ||
9c8da5eb | 82 | drm_dma_handle_t *status_page_dmah; |
1da177e4 | 83 | void *hw_status_page; |
1da177e4 | 84 | dma_addr_t dma_status_page; |
9c8da5eb | 85 | unsigned long counter; |
1da177e4 LT |
86 | |
87 | int back_offset; | |
88 | int front_offset; | |
89 | int current_page; | |
90 | int page_flipping; | |
91 | int use_mi_batchbuffer_start; | |
92 | ||
93 | wait_queue_head_t irq_queue; | |
94 | atomic_t irq_received; | |
95 | atomic_t irq_emitted; | |
96 | ||
97 | int tex_lru_log_granularity; | |
98 | int allow_batchbuffer; | |
99 | struct mem_block *agp_heap; | |
100 | } drm_i915_private_t; | |
101 | ||
b3a83639 DA |
102 | extern drm_ioctl_desc_t i915_ioctls[]; |
103 | extern int i915_max_ioctl; | |
104 | ||
1da177e4 | 105 | /* i915_dma.c */ |
1da177e4 | 106 | extern void i915_kernel_lost_context(drm_device_t * dev); |
b5e89ed5 DA |
107 | extern void i915_driver_pretakedown(drm_device_t * dev); |
108 | extern void i915_driver_prerelease(drm_device_t * dev, DRMFILE filp); | |
109 | extern int i915_driver_device_is_agp(drm_device_t * dev); | |
1da177e4 LT |
110 | |
111 | /* i915_irq.c */ | |
112 | extern int i915_irq_emit(DRM_IOCTL_ARGS); | |
113 | extern int i915_irq_wait(DRM_IOCTL_ARGS); | |
1da177e4 LT |
114 | |
115 | extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); | |
b5e89ed5 DA |
116 | extern void i915_driver_irq_preinstall(drm_device_t * dev); |
117 | extern void i915_driver_irq_postinstall(drm_device_t * dev); | |
118 | extern void i915_driver_irq_uninstall(drm_device_t * dev); | |
1da177e4 LT |
119 | |
120 | /* i915_mem.c */ | |
121 | extern int i915_mem_alloc(DRM_IOCTL_ARGS); | |
122 | extern int i915_mem_free(DRM_IOCTL_ARGS); | |
123 | extern int i915_mem_init_heap(DRM_IOCTL_ARGS); | |
124 | extern void i915_mem_takedown(struct mem_block **heap); | |
125 | extern void i915_mem_release(drm_device_t * dev, | |
126 | DRMFILE filp, struct mem_block *heap); | |
127 | ||
8ca7c1df | 128 | extern long i915_compat_ioctl(struct file *filp, unsigned int cmd, |
f179bc77 | 129 | unsigned long arg); |
8ca7c1df | 130 | |
1da177e4 LT |
131 | #define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, reg) |
132 | #define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, reg, val) | |
133 | #define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, reg) | |
134 | #define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, reg, val) | |
135 | ||
136 | #define I915_VERBOSE 0 | |
137 | ||
138 | #define RING_LOCALS unsigned int outring, ringmask, outcount; \ | |
139 | volatile char *virt; | |
140 | ||
141 | #define BEGIN_LP_RING(n) do { \ | |
142 | if (I915_VERBOSE) \ | |
143 | DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n", \ | |
144 | n, __FUNCTION__); \ | |
145 | if (dev_priv->ring.space < n*4) \ | |
146 | i915_wait_ring(dev, n*4, __FUNCTION__); \ | |
147 | outcount = 0; \ | |
148 | outring = dev_priv->ring.tail; \ | |
149 | ringmask = dev_priv->ring.tail_mask; \ | |
150 | virt = dev_priv->ring.virtual_start; \ | |
151 | } while (0) | |
152 | ||
153 | #define OUT_RING(n) do { \ | |
154 | if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \ | |
155 | *(volatile unsigned int *)(virt + outring) = n; \ | |
156 | outcount++; \ | |
157 | outring += 4; \ | |
158 | outring &= ringmask; \ | |
159 | } while (0) | |
160 | ||
161 | #define ADVANCE_LP_RING() do { \ | |
162 | if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring); \ | |
163 | dev_priv->ring.tail = outring; \ | |
164 | dev_priv->ring.space -= outcount * 4; \ | |
165 | I915_WRITE(LP_RING + RING_TAIL, outring); \ | |
166 | } while(0) | |
167 | ||
168 | extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller); | |
169 | ||
170 | #define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23)) | |
171 | #define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23)) | |
172 | #define CMD_REPORT_HEAD (7<<23) | |
173 | #define CMD_STORE_DWORD_IDX ((0x21<<23) | 0x1) | |
174 | #define CMD_OP_BATCH_BUFFER ((0x0<<29)|(0x30<<23)|0x1) | |
175 | ||
176 | #define INST_PARSER_CLIENT 0x00000000 | |
177 | #define INST_OP_FLUSH 0x02000000 | |
178 | #define INST_FLUSH_MAP_CACHE 0x00000001 | |
179 | ||
180 | #define BB1_START_ADDR_MASK (~0x7) | |
181 | #define BB1_PROTECTED (1<<0) | |
182 | #define BB1_UNPROTECTED (0<<0) | |
183 | #define BB2_END_ADDR_MASK (~0x7) | |
184 | ||
185 | #define I915REG_HWSTAM 0x02098 | |
186 | #define I915REG_INT_IDENTITY_R 0x020a4 | |
187 | #define I915REG_INT_MASK_R 0x020a8 | |
188 | #define I915REG_INT_ENABLE_R 0x020a0 | |
189 | ||
190 | #define SRX_INDEX 0x3c4 | |
191 | #define SRX_DATA 0x3c5 | |
192 | #define SR01 1 | |
193 | #define SR01_SCREEN_OFF (1<<5) | |
194 | ||
195 | #define PPCR 0x61204 | |
196 | #define PPCR_ON (1<<0) | |
197 | ||
198 | #define ADPA 0x61100 | |
199 | #define ADPA_DPMS_MASK (~(3<<10)) | |
200 | #define ADPA_DPMS_ON (0<<10) | |
201 | #define ADPA_DPMS_SUSPEND (1<<10) | |
202 | #define ADPA_DPMS_STANDBY (2<<10) | |
203 | #define ADPA_DPMS_OFF (3<<10) | |
204 | ||
205 | #define NOPID 0x2094 | |
206 | #define LP_RING 0x2030 | |
207 | #define HP_RING 0x2040 | |
208 | #define RING_TAIL 0x00 | |
209 | #define TAIL_ADDR 0x001FFFF8 | |
210 | #define RING_HEAD 0x04 | |
211 | #define HEAD_WRAP_COUNT 0xFFE00000 | |
212 | #define HEAD_WRAP_ONE 0x00200000 | |
213 | #define HEAD_ADDR 0x001FFFFC | |
214 | #define RING_START 0x08 | |
215 | #define START_ADDR 0x0xFFFFF000 | |
216 | #define RING_LEN 0x0C | |
217 | #define RING_NR_PAGES 0x001FF000 | |
218 | #define RING_REPORT_MASK 0x00000006 | |
219 | #define RING_REPORT_64K 0x00000002 | |
220 | #define RING_REPORT_128K 0x00000004 | |
221 | #define RING_NO_REPORT 0x00000000 | |
222 | #define RING_VALID_MASK 0x00000001 | |
223 | #define RING_VALID 0x00000001 | |
224 | #define RING_INVALID 0x00000000 | |
225 | ||
226 | #define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19)) | |
227 | #define SC_UPDATE_SCISSOR (0x1<<1) | |
228 | #define SC_ENABLE_MASK (0x1<<0) | |
229 | #define SC_ENABLE (0x1<<0) | |
230 | ||
231 | #define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1)) | |
232 | #define SCI_YMIN_MASK (0xffff<<16) | |
233 | #define SCI_XMIN_MASK (0xffff<<0) | |
234 | #define SCI_YMAX_MASK (0xffff<<16) | |
235 | #define SCI_XMAX_MASK (0xffff<<0) | |
236 | ||
237 | #define GFX_OP_SCISSOR_ENABLE ((0x3<<29)|(0x1c<<24)|(0x10<<19)) | |
238 | #define GFX_OP_SCISSOR_RECT ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1) | |
239 | #define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0) | |
240 | #define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) | |
241 | #define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4) | |
242 | #define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0) | |
243 | #define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3)) | |
244 | ||
245 | #define MI_BATCH_BUFFER ((0x30<<23)|1) | |
246 | #define MI_BATCH_BUFFER_START (0x31<<23) | |
247 | #define MI_BATCH_BUFFER_END (0xA<<23) | |
248 | #define MI_BATCH_NON_SECURE (1) | |
249 | ||
250 | #define MI_WAIT_FOR_EVENT ((0x3<<23)) | |
251 | #define MI_WAIT_FOR_PLANE_A_FLIP (1<<2) | |
252 | #define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1) | |
253 | ||
254 | #define MI_LOAD_SCAN_LINES_INCL ((0x12<<23)) | |
255 | ||
256 | #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2) | |
257 | #define ASYNC_FLIP (1<<22) | |
258 | ||
259 | #define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1) | |
260 | ||
261 | #endif |