1 /* i830_drv.h -- Private header for the I830 driver -*- linux-c -*-
2 * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
3 *
4 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
6 * All rights reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
17 * Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 * DEALINGS IN THE SOFTWARE.
26 *
27 * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
28 * Jeff Hartmann <jhartmann@valinux.com>
29 *
30 */
31
32 #ifndef _I830_DRV_H_
33 #define _I830_DRV_H_
34
35 /* General customization:
36 */
37
38 #define DRIVER_AUTHOR "VA Linux Systems Inc."
39
40 #define DRIVER_NAME "i830"
41 #define DRIVER_DESC "Intel 830M"
42 #define DRIVER_DATE "20021108"
43
44 /* Interface history:
45 *
46 * 1.1: Original.
47 * 1.2: ?
48 * 1.3: New irq emit/wait ioctls.
49 * New pageflip ioctl.
50 * New getparam ioctl.
51 * State for texunits 3&4 in sarea.
52 * New (alternative) layout for texture state.
53 */
54 #define DRIVER_MAJOR 1
55 #define DRIVER_MINOR 3
56 #define DRIVER_PATCHLEVEL 2
57
58 /* Driver will work either way: IRQ's save cpu time when waiting for
59 * the card, but are subject to subtle interactions between bios,
60 * hardware and the driver.
61 */
62 /* XXX: Add vblank support? */
63 #define USE_IRQS 0
64
65 typedef struct drm_i830_buf_priv {
66 u32 *in_use;
67 int my_use_idx;
68 int currently_mapped;
69 void __user *virtual;
70 void *kernel_virtual;
71 drm_local_map_t map;
72 } drm_i830_buf_priv_t;
73
74 typedef struct _drm_i830_ring_buffer {
75 int tail_mask;
76 unsigned long Start;
77 unsigned long End;
78 unsigned long Size;
79 u8 *virtual_start;
80 int head;
81 int tail;
82 int space;
83 drm_local_map_t map;
84 } drm_i830_ring_buffer_t;
85
86 typedef struct drm_i830_private {
87 struct drm_map *sarea_map;
88 struct drm_map *mmio_map;
89
90 drm_i830_sarea_t *sarea_priv;
91 drm_i830_ring_buffer_t ring;
92
93 void *hw_status_page;
94 unsigned long counter;
95
96 dma_addr_t dma_status_page;
97
98 struct drm_buf *mmap_buffer;
99
100 u32 front_di1, back_di1, zi1;
101
102 int back_offset;
103 int depth_offset;
104 int front_offset;
105 int w, h;
106 int pitch;
107 int back_pitch;
108 int depth_pitch;
109 unsigned int cpp;
110
111 int do_boxes;
112 int dma_used;
113
114 int current_page;
115 int page_flipping;
116
117 wait_queue_head_t irq_queue;
118 atomic_t irq_received;
119 atomic_t irq_emitted;
120
121 int use_mi_batchbuffer_start;
122
123 } drm_i830_private_t;
124
125 extern struct drm_ioctl_desc i830_ioctls[];
126 extern int i830_max_ioctl;
127
128 /* i830_irq.c */
129 extern int i830_irq_emit(struct drm_device *dev, void *data,
130 struct drm_file *file_priv);
131 extern int i830_irq_wait(struct drm_device *dev, void *data,
132 struct drm_file *file_priv);
133
134 extern irqreturn_t i830_driver_irq_handler(DRM_IRQ_ARGS);
135 extern void i830_driver_irq_preinstall(struct drm_device * dev);
136 extern void i830_driver_irq_postinstall(struct drm_device * dev);
137 extern void i830_driver_irq_uninstall(struct drm_device * dev);
138 extern int i830_driver_load(struct drm_device *, unsigned long flags);
139 extern void i830_driver_preclose(struct drm_device * dev,
140 struct drm_file *file_priv);
141 extern void i830_driver_lastclose(struct drm_device * dev);
142 extern void i830_driver_reclaim_buffers_locked(struct drm_device * dev,
143 struct drm_file *file_priv);
144 extern int i830_driver_dma_quiescent(struct drm_device * dev);
145 extern int i830_driver_device_is_agp(struct drm_device * dev);
146
147 #define I830_READ(reg) DRM_READ32(dev_priv->mmio_map, reg)
148 #define I830_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, reg, val)
149 #define I830_READ16(reg) DRM_READ16(dev_priv->mmio_map, reg)
150 #define I830_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, reg, val)
151
152 #define I830_VERBOSE 0
153
154 #define RING_LOCALS unsigned int outring, ringmask, outcount; \
155 volatile char *virt;
156
157 #define BEGIN_LP_RING(n) do { \
158 if (I830_VERBOSE) \
159 printk("BEGIN_LP_RING(%d)\n", (n)); \
160 if (dev_priv->ring.space < n*4) \
161 i830_wait_ring(dev, n*4, __FUNCTION__); \
162 outcount = 0; \
163 outring = dev_priv->ring.tail; \
164 ringmask = dev_priv->ring.tail_mask; \
165 virt = dev_priv->ring.virtual_start; \
166 } while (0)
167
168 #define OUT_RING(n) do { \
169 if (I830_VERBOSE) printk(" OUT_RING %x\n", (int)(n)); \
170 *(volatile unsigned int *)(virt + outring) = n; \
171 outcount++; \
172 outring += 4; \
173 outring &= ringmask; \
174 } while (0)
175
176 #define ADVANCE_LP_RING() do { \
177 if (I830_VERBOSE) printk("ADVANCE_LP_RING %x\n", outring); \
178 dev_priv->ring.tail = outring; \
179 dev_priv->ring.space -= outcount * 4; \
180 I830_WRITE(LP_RING + RING_TAIL, outring); \
181 } while(0)
182
183 extern int i830_wait_ring(struct drm_device * dev, int n, const char *caller);
184
185 #define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23))
186 #define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23))
187 #define CMD_REPORT_HEAD (7<<23)
188 #define CMD_STORE_DWORD_IDX ((0x21<<23) | 0x1)
189 #define CMD_OP_BATCH_BUFFER ((0x0<<29)|(0x30<<23)|0x1)
190
191 #define STATE3D_LOAD_STATE_IMMEDIATE_2 ((0x3<<29)|(0x1d<<24)|(0x03<<16))
192 #define LOAD_TEXTURE_MAP0 (1<<11)
193
194 #define INST_PARSER_CLIENT 0x00000000
195 #define INST_OP_FLUSH 0x02000000
196 #define INST_FLUSH_MAP_CACHE 0x00000001
197
198 #define BB1_START_ADDR_MASK (~0x7)
199 #define BB1_PROTECTED (1<<0)
200 #define BB1_UNPROTECTED (0<<0)
201 #define BB2_END_ADDR_MASK (~0x7)
202
203 #define I830REG_HWSTAM 0x02098
204 #define I830REG_INT_IDENTITY_R 0x020a4
205 #define I830REG_INT_MASK_R 0x020a8
206 #define I830REG_INT_ENABLE_R 0x020a0
207
208 #define I830_IRQ_RESERVED ((1<<13)|(3<<2))
209
210 #define LP_RING 0x2030
211 #define HP_RING 0x2040
212 #define RING_TAIL 0x00
213 #define TAIL_ADDR 0x001FFFF8
214 #define RING_HEAD 0x04
215 #define HEAD_WRAP_COUNT 0xFFE00000
216 #define HEAD_WRAP_ONE 0x00200000
217 #define HEAD_ADDR 0x001FFFFC
218 #define RING_START 0x08
219 #define START_ADDR 0x0xFFFFF000
220 #define RING_LEN 0x0C
221 #define RING_NR_PAGES 0x001FF000
222 #define RING_REPORT_MASK 0x00000006
223 #define RING_REPORT_64K 0x00000002
224 #define RING_REPORT_128K 0x00000004
225 #define RING_NO_REPORT 0x00000000
226 #define RING_VALID_MASK 0x00000001
227 #define RING_VALID 0x00000001
228 #define RING_INVALID 0x00000000
229
230 #define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19))
231 #define SC_UPDATE_SCISSOR (0x1<<1)
232 #define SC_ENABLE_MASK (0x1<<0)
233 #define SC_ENABLE (0x1<<0)
234
235 #define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
236 #define SCI_YMIN_MASK (0xffff<<16)
237 #define SCI_XMIN_MASK (0xffff<<0)
238 #define SCI_YMAX_MASK (0xffff<<16)
239 #define SCI_XMAX_MASK (0xffff<<0)
240
241 #define GFX_OP_SCISSOR_ENABLE ((0x3<<29)|(0x1c<<24)|(0x10<<19))
242 #define GFX_OP_SCISSOR_RECT ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
243 #define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
244 #define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16))
245 #define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4)
246 #define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
247 #define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
248 #define GFX_OP_PRIMITIVE ((0x3<<29)|(0x1f<<24))
249
250 #define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
251
252 #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
253 #define ASYNC_FLIP (1<<22)
254
255 #define CMD_3D (0x3<<29)
256 #define STATE3D_CONST_BLEND_COLOR_CMD (CMD_3D|(0x1d<<24)|(0x88<<16))
257 #define STATE3D_MAP_COORD_SETBIND_CMD (CMD_3D|(0x1d<<24)|(0x02<<16))
258
259 #define BR00_BITBLT_CLIENT 0x40000000
260 #define BR00_OP_COLOR_BLT 0x10000000
261 #define BR00_OP_SRC_COPY_BLT 0x10C00000
262 #define BR13_SOLID_PATTERN 0x80000000
263
264 #define BUF_3D_ID_COLOR_BACK (0x3<<24)
265 #define BUF_3D_ID_DEPTH (0x7<<24)
266 #define BUF_3D_USE_FENCE (1<<23)
267 #define BUF_3D_PITCH(x) (((x)/4)<<2)
268
269 #define CMD_OP_MAP_PALETTE_LOAD ((3<<29)|(0x1d<<24)|(0x82<<16)|255)
270 #define MAP_PALETTE_NUM(x) ((x<<8) & (1<<8))
271 #define MAP_PALETTE_BOTH (1<<11)
272
273 #define XY_COLOR_BLT_CMD ((2<<29)|(0x50<<22)|0x4)
274 #define XY_COLOR_BLT_WRITE_ALPHA (1<<21)
275 #define XY_COLOR_BLT_WRITE_RGB (1<<20)
276
277 #define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6)
278 #define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21)
279 #define XY_SRC_COPY_BLT_WRITE_RGB (1<<20)
280
281 #define MI_BATCH_BUFFER ((0x30<<23)|1)
282 #define MI_BATCH_BUFFER_START (0x31<<23)
283 #define MI_BATCH_BUFFER_END (0xA<<23)
284 #define MI_BATCH_NON_SECURE (1)
285
286 #define MI_WAIT_FOR_EVENT ((0x3<<23))
287 #define MI_WAIT_FOR_PLANE_A_FLIP (1<<2)
288 #define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
289
290 #define MI_LOAD_SCAN_LINES_INCL ((0x12<<23))
291
292 #endif
293
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