1 /* i810_drv.h -- Private header for the Matrox g200/g400 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 _I810_DRV_H_
33 #define _I810_DRV_H_
34 
35 #include <drm/drm_ioctl.h>
36 #include <drm/drm_legacy.h>
37 #include <drm/i810_drm.h>
38 
39 /* General customization:
40  */
41 
42 #define DRIVER_AUTHOR		"VA Linux Systems Inc."
43 
44 #define DRIVER_NAME		"i810"
45 #define DRIVER_DESC		"Intel i810"
46 #define DRIVER_DATE		"20030605"
47 
48 /* Interface history
49  *
50  * 1.1   - XFree86 4.1
51  * 1.2   - XvMC interfaces
52  *       - XFree86 4.2
53  * 1.2.1 - Disable copying code (leave stub ioctls for backwards compatibility)
54  *       - Remove requirement for interrupt (leave stubs again)
55  * 1.3   - Add page flipping.
56  * 1.4   - fix DRM interface
57  */
58 #define DRIVER_MAJOR		1
59 #define DRIVER_MINOR		4
60 #define DRIVER_PATCHLEVEL	0
61 
62 typedef struct drm_i810_buf_priv {
63 	u32 *in_use;
64 	int my_use_idx;
65 	int currently_mapped;
66 	void *virtual;
67 	void *kernel_virtual;
68 	drm_local_map_t map;
69 } drm_i810_buf_priv_t;
70 
71 typedef struct _drm_i810_ring_buffer {
72 	int tail_mask;
73 	unsigned long Start;
74 	unsigned long End;
75 	unsigned long Size;
76 	u8 *virtual_start;
77 	int head;
78 	int tail;
79 	int space;
80 	drm_local_map_t map;
81 } drm_i810_ring_buffer_t;
82 
83 typedef struct drm_i810_private {
84 	struct drm_local_map *sarea_map;
85 	struct drm_local_map *mmio_map;
86 
87 	drm_i810_sarea_t *sarea_priv;
88 	drm_i810_ring_buffer_t ring;
89 
90 	void *hw_status_page;
91 	unsigned long counter;
92 
93 	dma_addr_t dma_status_page;
94 
95 	struct drm_buf *mmap_buffer;
96 
97 	u32 front_di1, back_di1, zi1;
98 
99 	int back_offset;
100 	int depth_offset;
101 	int overlay_offset;
102 	int overlay_physical;
103 	int w, h;
104 	int pitch;
105 	int back_pitch;
106 	int depth_pitch;
107 
108 	int do_boxes;
109 	int dma_used;
110 
111 	int current_page;
112 	int page_flipping;
113 
114 	wait_queue_head_t irq_queue;
115 	atomic_t irq_received;
116 	atomic_t irq_emitted;
117 
118 	int front_offset;
119 } drm_i810_private_t;
120 
121 				/* i810_dma.c */
122 extern int i810_driver_dma_quiescent(struct drm_device *dev);
123 void i810_driver_reclaim_buffers(struct drm_device *dev,
124 			         struct drm_file *file_priv);
125 extern int i810_driver_load(struct drm_device *, unsigned long flags);
126 extern void i810_driver_lastclose(struct drm_device *dev);
127 extern void i810_driver_preclose(struct drm_device *dev,
128 				 struct drm_file *file_priv);
129 
130 extern long i810_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
131 extern const struct drm_ioctl_desc i810_ioctls[];
132 extern int i810_max_ioctl;
133 
134 #define I810_BASE(reg)		((unsigned long) \
135 				dev_priv->mmio_map->handle)
136 #define I810_ADDR(reg)		(I810_BASE(reg) + reg)
137 #define I810_DEREF(reg)		(*(__volatile__ int *)I810_ADDR(reg))
138 #define I810_READ(reg)		I810_DEREF(reg)
139 #define I810_WRITE(reg, val)	do { I810_DEREF(reg) = val; } while (0)
140 #define I810_DEREF16(reg)	(*(__volatile__ u16 *)I810_ADDR(reg))
141 #define I810_READ16(reg)	I810_DEREF16(reg)
142 #define I810_WRITE16(reg, val)	do { I810_DEREF16(reg) = val; } while (0)
143 
144 #define I810_VERBOSE 0
145 #define RING_LOCALS	unsigned int outring, ringmask; \
146 			volatile char *virt;
147 
148 #define BEGIN_LP_RING(n) do {					\
149 	if (I810_VERBOSE)					\
150 		DRM_DEBUG("BEGIN_LP_RING(%d)\n", n);		\
151 	if (dev_priv->ring.space < n*4)				\
152 		i810_wait_ring(dev, n*4);			\
153 	dev_priv->ring.space -= n*4;				\
154 	outring = dev_priv->ring.tail;				\
155 	ringmask = dev_priv->ring.tail_mask;			\
156 	virt = dev_priv->ring.virtual_start;			\
157 } while (0)
158 
159 #define ADVANCE_LP_RING() do {					\
160 	if (I810_VERBOSE)					\
161 		DRM_DEBUG("ADVANCE_LP_RING\n");			\
162 	dev_priv->ring.tail = outring;				\
163 	I810_WRITE(LP_RING + RING_TAIL, outring);		\
164 } while (0)
165 
166 #define OUT_RING(n) do {					\
167 	if (I810_VERBOSE)					\
168 		DRM_DEBUG("   OUT_RING %x\n", (int)(n));	\
169 	*(volatile unsigned int *)(virt + outring) = n;		\
170 	outring += 4;						\
171 	outring &= ringmask;					\
172 } while (0)
173 
174 #define GFX_OP_USER_INTERRUPT		((0<<29)|(2<<23))
175 #define GFX_OP_BREAKPOINT_INTERRUPT	((0<<29)|(1<<23))
176 #define CMD_REPORT_HEAD			(7<<23)
177 #define CMD_STORE_DWORD_IDX		((0x21<<23) | 0x1)
178 #define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
179 
180 #define INST_PARSER_CLIENT   0x00000000
181 #define INST_OP_FLUSH        0x02000000
182 #define INST_FLUSH_MAP_CACHE 0x00000001
183 
184 #define BB1_START_ADDR_MASK   (~0x7)
185 #define BB1_PROTECTED         (1<<0)
186 #define BB1_UNPROTECTED       (0<<0)
187 #define BB2_END_ADDR_MASK     (~0x7)
188 
189 #define I810REG_HWSTAM		0x02098
190 #define I810REG_INT_IDENTITY_R	0x020a4
191 #define I810REG_INT_MASK_R	0x020a8
192 #define I810REG_INT_ENABLE_R	0x020a0
193 
194 #define LP_RING			0x2030
195 #define HP_RING			0x2040
196 #define RING_TAIL		0x00
197 #define TAIL_ADDR		0x000FFFF8
198 #define RING_HEAD		0x04
199 #define HEAD_WRAP_COUNT		0xFFE00000
200 #define HEAD_WRAP_ONE		0x00200000
201 #define HEAD_ADDR		0x001FFFFC
202 #define RING_START		0x08
203 #define START_ADDR		0x00FFFFF8
204 #define RING_LEN		0x0C
205 #define RING_NR_PAGES		0x000FF000
206 #define RING_REPORT_MASK	0x00000006
207 #define RING_REPORT_64K		0x00000002
208 #define RING_REPORT_128K	0x00000004
209 #define RING_NO_REPORT		0x00000000
210 #define RING_VALID_MASK		0x00000001
211 #define RING_VALID		0x00000001
212 #define RING_INVALID		0x00000000
213 
214 #define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
215 #define SC_UPDATE_SCISSOR       (0x1<<1)
216 #define SC_ENABLE_MASK          (0x1<<0)
217 #define SC_ENABLE               (0x1<<0)
218 
219 #define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
220 #define SCI_YMIN_MASK      (0xffff<<16)
221 #define SCI_XMIN_MASK      (0xffff<<0)
222 #define SCI_YMAX_MASK      (0xffff<<16)
223 #define SCI_XMAX_MASK      (0xffff<<0)
224 
225 #define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
226 #define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
227 #define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x2)
228 #define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
229 #define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
230 #define GFX_OP_PRIMITIVE         ((0x3<<29)|(0x1f<<24))
231 
232 #define CMD_OP_Z_BUFFER_INFO     ((0x0<<29)|(0x16<<23))
233 #define CMD_OP_DESTBUFFER_INFO   ((0x0<<29)|(0x15<<23))
234 #define CMD_OP_FRONTBUFFER_INFO  ((0x0<<29)|(0x14<<23))
235 #define CMD_OP_WAIT_FOR_EVENT    ((0x0<<29)|(0x03<<23))
236 
237 #define BR00_BITBLT_CLIENT   0x40000000
238 #define BR00_OP_COLOR_BLT    0x10000000
239 #define BR00_OP_SRC_COPY_BLT 0x10C00000
240 #define BR13_SOLID_PATTERN   0x80000000
241 
242 #define WAIT_FOR_PLANE_A_SCANLINES (1<<1)
243 #define WAIT_FOR_PLANE_A_FLIP      (1<<2)
244 #define WAIT_FOR_VBLANK (1<<3)
245 
246 #endif
247