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 typedef struct drm_i830_buf_priv {
36    	u32 *in_use;
37    	int my_use_idx;
38 	int currently_mapped;
39 	void *virtual;
40 	void *kernel_virtual;
41 	int map_count;
42    	struct vm_area_struct *vma;
43 } drm_i830_buf_priv_t;
44 
45 typedef struct _drm_i830_ring_buffer{
46 	int tail_mask;
47 	unsigned long Start;
48 	unsigned long End;
49 	unsigned long Size;
50 	u8 *virtual_start;
51 	int head;
52 	int tail;
53 	int space;
54 } drm_i830_ring_buffer_t;
55 
56 typedef struct drm_i830_private {
57 	drm_map_t *sarea_map;
58 	drm_map_t *buffer_map;
59 	drm_map_t *mmio_map;
60 
61 	drm_i830_sarea_t *sarea_priv;
62    	drm_i830_ring_buffer_t ring;
63 
64       	unsigned long hw_status_page;
65    	unsigned long counter;
66 
67 	dma_addr_t dma_status_page;
68 
69 	drm_buf_t *mmap_buffer;
70 
71 	u32 front_di1, back_di1, zi1;
72 
73 	int back_offset;
74 	int depth_offset;
75 	int front_offset;
76 	int w, h;
77 	int pitch;
78 	int back_pitch;
79 	int depth_pitch;
80 	unsigned int cpp;
81 
82 	int do_boxes;
83 	int dma_used;
84 
85 	int current_page;
86 	int page_flipping;
87 
88 	wait_queue_head_t irq_queue;
89    	atomic_t irq_received;
90    	atomic_t irq_emitted;
91 
92 	int use_mi_batchbuffer_start;
93 
94 } drm_i830_private_t;
95 
96 				/* i830_dma.c */
97 extern int  i830_dma_schedule(drm_device_t *dev, int locked);
98 extern int  i830_getbuf(struct inode *inode, struct file *filp,
99 			unsigned int cmd, unsigned long arg);
100 extern int  i830_dma_init(struct inode *inode, struct file *filp,
101 			  unsigned int cmd, unsigned long arg);
102 extern int  i830_flush_ioctl(struct inode *inode, struct file *filp,
103 			     unsigned int cmd, unsigned long arg);
104 extern void i830_reclaim_buffers(drm_device_t *dev, pid_t pid);
105 extern int  i830_getage(struct inode *inode, struct file *filp, unsigned int cmd,
106 			unsigned long arg);
107 extern int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma);
108 extern int i830_copybuf(struct inode *inode, struct file *filp,
109 			unsigned int cmd, unsigned long arg);
110 extern int i830_docopy(struct inode *inode, struct file *filp,
111 		       unsigned int cmd, unsigned long arg);
112 
113 extern void i830_dma_quiescent(drm_device_t *dev);
114 
115 extern int i830_dma_vertex(struct inode *inode, struct file *filp,
116 			  unsigned int cmd, unsigned long arg);
117 
118 extern int i830_swap_bufs(struct inode *inode, struct file *filp,
119 			 unsigned int cmd, unsigned long arg);
120 
121 extern int i830_clear_bufs(struct inode *inode, struct file *filp,
122 			  unsigned int cmd, unsigned long arg);
123 
124 extern int i830_flip_bufs(struct inode *inode, struct file *filp,
125 			 unsigned int cmd, unsigned long arg);
126 
127 extern int i830_getparam( struct inode *inode, struct file *filp,
128 			  unsigned int cmd, unsigned long arg );
129 
130 extern int i830_setparam( struct inode *inode, struct file *filp,
131 			  unsigned int cmd, unsigned long arg );
132 
133 /* i830_irq.c */
134 extern int i830_irq_emit( struct inode *inode, struct file *filp,
135 			  unsigned int cmd, unsigned long arg );
136 extern int i830_irq_wait( struct inode *inode, struct file *filp,
137 			  unsigned int cmd, unsigned long arg );
138 extern int i830_wait_irq(drm_device_t *dev, int irq_nr);
139 extern int i830_emit_irq(drm_device_t *dev);
140 
141 
142 #define I830_BASE(reg)		((unsigned long) \
143 				dev_priv->mmio_map->handle)
144 #define I830_ADDR(reg)		(I830_BASE(reg) + reg)
145 #define I830_DEREF(reg)		*(__volatile__ unsigned int *)I830_ADDR(reg)
146 #define I830_READ(reg)		readl((volatile u32 *)I830_ADDR(reg))
147 #define I830_WRITE(reg,val) 	writel(val, (volatile u32 *)I830_ADDR(reg))
148 #define I830_DEREF16(reg)	*(__volatile__ u16 *)I830_ADDR(reg)
149 #define I830_READ16(reg) 	I830_DEREF16(reg)
150 #define I830_WRITE16(reg,val)	do { I830_DEREF16(reg) = val; } while (0)
151 
152 
153 
154 #define I830_VERBOSE 0
155 
156 #define RING_LOCALS	unsigned int outring, ringmask, outcount; \
157                         volatile char *virt;
158 
159 #define BEGIN_LP_RING(n) do {				\
160 	if (I830_VERBOSE)				\
161 		printk("BEGIN_LP_RING(%d) in %s\n",	\
162 			  n, __FUNCTION__);		\
163 	if (dev_priv->ring.space < n*4)			\
164 		i830_wait_ring(dev, n*4, __FUNCTION__);		\
165 	outcount = 0;					\
166 	outring = dev_priv->ring.tail;			\
167 	ringmask = dev_priv->ring.tail_mask;		\
168 	virt = dev_priv->ring.virtual_start;		\
169 } while (0)
170 
171 
172 #define OUT_RING(n) do {					\
173 	if (I830_VERBOSE) printk("   OUT_RING %x\n", (int)(n));	\
174 	*(volatile unsigned int *)(virt + outring) = n;		\
175         outcount++;						\
176 	outring += 4;						\
177 	outring &= ringmask;					\
178 } while (0)
179 
180 #define ADVANCE_LP_RING() do {						\
181 	if (I830_VERBOSE) printk("ADVANCE_LP_RING %x\n", outring);	\
182 	dev_priv->ring.tail = outring;					\
183 	dev_priv->ring.space -= outcount * 4;				\
184 	I830_WRITE(LP_RING + RING_TAIL, outring);			\
185 } while(0)
186 
187 extern int i830_wait_ring(drm_device_t *dev, int n, const char *caller);
188 
189 
190 #define GFX_OP_USER_INTERRUPT 		((0<<29)|(2<<23))
191 #define GFX_OP_BREAKPOINT_INTERRUPT	((0<<29)|(1<<23))
192 #define CMD_REPORT_HEAD			(7<<23)
193 #define CMD_STORE_DWORD_IDX		((0x21<<23) | 0x1)
194 #define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
195 
196 #define STATE3D_LOAD_STATE_IMMEDIATE_2      ((0x3<<29)|(0x1d<<24)|(0x03<<16))
197 #define LOAD_TEXTURE_MAP0                   (1<<11)
198 
199 #define INST_PARSER_CLIENT   0x00000000
200 #define INST_OP_FLUSH        0x02000000
201 #define INST_FLUSH_MAP_CACHE 0x00000001
202 
203 
204 #define BB1_START_ADDR_MASK   (~0x7)
205 #define BB1_PROTECTED         (1<<0)
206 #define BB1_UNPROTECTED       (0<<0)
207 #define BB2_END_ADDR_MASK     (~0x7)
208 
209 #define I830REG_HWSTAM		0x02098
210 #define I830REG_INT_IDENTITY_R	0x020a4
211 #define I830REG_INT_MASK_R 	0x020a8
212 #define I830REG_INT_ENABLE_R	0x020a0
213 
214 #define I830_IRQ_RESERVED ((1<<13)|(3<<2))
215 
216 
217 #define LP_RING     		0x2030
218 #define HP_RING     		0x2040
219 #define RING_TAIL      		0x00
220 #define TAIL_ADDR		0x001FFFF8
221 #define RING_HEAD      		0x04
222 #define HEAD_WRAP_COUNT     	0xFFE00000
223 #define HEAD_WRAP_ONE       	0x00200000
224 #define HEAD_ADDR           	0x001FFFFC
225 #define RING_START     		0x08
226 #define START_ADDR          	0x0xFFFFF000
227 #define RING_LEN       		0x0C
228 #define RING_NR_PAGES       	0x001FF000
229 #define RING_REPORT_MASK    	0x00000006
230 #define RING_REPORT_64K     	0x00000002
231 #define RING_REPORT_128K    	0x00000004
232 #define RING_NO_REPORT      	0x00000000
233 #define RING_VALID_MASK     	0x00000001
234 #define RING_VALID          	0x00000001
235 #define RING_INVALID        	0x00000000
236 
237 #define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
238 #define SC_UPDATE_SCISSOR       (0x1<<1)
239 #define SC_ENABLE_MASK          (0x1<<0)
240 #define SC_ENABLE               (0x1<<0)
241 
242 #define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
243 #define SCI_YMIN_MASK      (0xffff<<16)
244 #define SCI_XMIN_MASK      (0xffff<<0)
245 #define SCI_YMAX_MASK      (0xffff<<16)
246 #define SCI_XMAX_MASK      (0xffff<<0)
247 
248 #define GFX_OP_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19))
249 #define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
250 #define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
251 #define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
252 #define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
253 #define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
254 #define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
255 #define GFX_OP_PRIMITIVE         ((0x3<<29)|(0x1f<<24))
256 
257 #define CMD_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
258 
259 #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
260 #define ASYNC_FLIP                (1<<22)
261 
262 #define CMD_3D                          (0x3<<29)
263 #define STATE3D_CONST_BLEND_COLOR_CMD   (CMD_3D|(0x1d<<24)|(0x88<<16))
264 #define STATE3D_MAP_COORD_SETBIND_CMD   (CMD_3D|(0x1d<<24)|(0x02<<16))
265 
266 #define BR00_BITBLT_CLIENT   0x40000000
267 #define BR00_OP_COLOR_BLT    0x10000000
268 #define BR00_OP_SRC_COPY_BLT 0x10C00000
269 #define BR13_SOLID_PATTERN   0x80000000
270 
271 #define BUF_3D_ID_COLOR_BACK    (0x3<<24)
272 #define BUF_3D_ID_DEPTH         (0x7<<24)
273 #define BUF_3D_USE_FENCE        (1<<23)
274 #define BUF_3D_PITCH(x)         (((x)/4)<<2)
275 
276 #define CMD_OP_MAP_PALETTE_LOAD	((3<<29)|(0x1d<<24)|(0x82<<16)|255)
277 #define MAP_PALETTE_NUM(x)	((x<<8) & (1<<8))
278 #define MAP_PALETTE_BOTH	(1<<11)
279 
280 #define XY_COLOR_BLT_CMD		((2<<29)|(0x50<<22)|0x4)
281 #define XY_COLOR_BLT_WRITE_ALPHA	(1<<21)
282 #define XY_COLOR_BLT_WRITE_RGB		(1<<20)
283 
284 #define XY_SRC_COPY_BLT_CMD             ((2<<29)|(0x53<<22)|6)
285 #define XY_SRC_COPY_BLT_WRITE_ALPHA     (1<<21)
286 #define XY_SRC_COPY_BLT_WRITE_RGB       (1<<20)
287 
288 #define MI_BATCH_BUFFER 	((0x30<<23)|1)
289 #define MI_BATCH_BUFFER_START 	(0x31<<23)
290 #define MI_BATCH_BUFFER_END 	(0xA<<23)
291 #define MI_BATCH_NON_SECURE	(1)
292 
293 #define MI_WAIT_FOR_EVENT       ((0x3<<23))
294 #define MI_WAIT_FOR_PLANE_A_FLIP      (1<<2)
295 #define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
296 
297 #define MI_LOAD_SCAN_LINES_INCL  ((0x12<<23))
298 
299 #endif
300 
301