Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / gpu / drm / i810 / i810_drv.h
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_legacy.h>
36
37 /* General customization:
38  */
39
40 #define DRIVER_AUTHOR           "VA Linux Systems Inc."
41
42 #define DRIVER_NAME             "i810"
43 #define DRIVER_DESC             "Intel i810"
44 #define DRIVER_DATE             "20030605"
45
46 /* Interface history
47  *
48  * 1.1   - XFree86 4.1
49  * 1.2   - XvMC interfaces
50  *       - XFree86 4.2
51  * 1.2.1 - Disable copying code (leave stub ioctls for backwards compatibility)
52  *       - Remove requirement for interrupt (leave stubs again)
53  * 1.3   - Add page flipping.
54  * 1.4   - fix DRM interface
55  */
56 #define DRIVER_MAJOR            1
57 #define DRIVER_MINOR            4
58 #define DRIVER_PATCHLEVEL       0
59
60 typedef struct drm_i810_buf_priv {
61         u32 *in_use;
62         int my_use_idx;
63         int currently_mapped;
64         void *virtual;
65         void *kernel_virtual;
66         drm_local_map_t map;
67 } drm_i810_buf_priv_t;
68
69 typedef struct _drm_i810_ring_buffer {
70         int tail_mask;
71         unsigned long Start;
72         unsigned long End;
73         unsigned long Size;
74         u8 *virtual_start;
75         int head;
76         int tail;
77         int space;
78         drm_local_map_t map;
79 } drm_i810_ring_buffer_t;
80
81 typedef struct drm_i810_private {
82         struct drm_local_map *sarea_map;
83         struct drm_local_map *mmio_map;
84
85         drm_i810_sarea_t *sarea_priv;
86         drm_i810_ring_buffer_t ring;
87
88         void *hw_status_page;
89         unsigned long counter;
90
91         dma_addr_t dma_status_page;
92
93         struct drm_buf *mmap_buffer;
94
95         u32 front_di1, back_di1, zi1;
96
97         int back_offset;
98         int depth_offset;
99         int overlay_offset;
100         int overlay_physical;
101         int w, h;
102         int pitch;
103         int back_pitch;
104         int depth_pitch;
105
106         int do_boxes;
107         int dma_used;
108
109         int current_page;
110         int page_flipping;
111
112         wait_queue_head_t irq_queue;
113         atomic_t irq_received;
114         atomic_t irq_emitted;
115
116         int front_offset;
117 } drm_i810_private_t;
118
119                                 /* i810_dma.c */
120 extern int i810_driver_dma_quiescent(struct drm_device *dev);
121 void i810_driver_reclaim_buffers(struct drm_device *dev,
122                                  struct drm_file *file_priv);
123 extern int i810_driver_load(struct drm_device *, unsigned long flags);
124 extern void i810_driver_lastclose(struct drm_device *dev);
125 extern void i810_driver_preclose(struct drm_device *dev,
126                                  struct drm_file *file_priv);
127 extern int i810_driver_device_is_agp(struct drm_device *dev);
128
129 extern long i810_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
130 extern const struct drm_ioctl_desc i810_ioctls[];
131 extern int i810_max_ioctl;
132
133 #define I810_BASE(reg)          ((unsigned long) \
134                                 dev_priv->mmio_map->handle)
135 #define I810_ADDR(reg)          (I810_BASE(reg) + reg)
136 #define I810_DEREF(reg)         (*(__volatile__ int *)I810_ADDR(reg))
137 #define I810_READ(reg)          I810_DEREF(reg)
138 #define I810_WRITE(reg, val)    do { I810_DEREF(reg) = val; } while (0)
139 #define I810_DEREF16(reg)       (*(__volatile__ u16 *)I810_ADDR(reg))
140 #define I810_READ16(reg)        I810_DEREF16(reg)
141 #define I810_WRITE16(reg, val)  do { I810_DEREF16(reg) = val; } while (0)
142
143 #define I810_VERBOSE 0
144 #define RING_LOCALS     unsigned int outring, ringmask; \
145                         volatile char *virt;
146
147 #define BEGIN_LP_RING(n) do {                                   \
148         if (I810_VERBOSE)                                       \
149                 DRM_DEBUG("BEGIN_LP_RING(%d)\n", n);            \
150         if (dev_priv->ring.space < n*4)                         \
151                 i810_wait_ring(dev, n*4);                       \
152         dev_priv->ring.space -= n*4;                            \
153         outring = dev_priv->ring.tail;                          \
154         ringmask = dev_priv->ring.tail_mask;                    \
155         virt = dev_priv->ring.virtual_start;                    \
156 } while (0)
157
158 #define ADVANCE_LP_RING() do {                                  \
159         if (I810_VERBOSE)                                       \
160                 DRM_DEBUG("ADVANCE_LP_RING\n");                 \
161         dev_priv->ring.tail = outring;                          \
162         I810_WRITE(LP_RING + RING_TAIL, outring);               \
163 } while (0)
164
165 #define OUT_RING(n) do {                                        \
166         if (I810_VERBOSE)                                       \
167                 DRM_DEBUG("   OUT_RING %x\n", (int)(n));        \
168         *(volatile unsigned int *)(virt + outring) = n;         \
169         outring += 4;                                           \
170         outring &= ringmask;                                    \
171 } while (0)
172
173 #define GFX_OP_USER_INTERRUPT           ((0<<29)|(2<<23))
174 #define GFX_OP_BREAKPOINT_INTERRUPT     ((0<<29)|(1<<23))
175 #define CMD_REPORT_HEAD                 (7<<23)
176 #define CMD_STORE_DWORD_IDX             ((0x21<<23) | 0x1)
177 #define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
178
179 #define INST_PARSER_CLIENT   0x00000000
180 #define INST_OP_FLUSH        0x02000000
181 #define INST_FLUSH_MAP_CACHE 0x00000001
182
183 #define BB1_START_ADDR_MASK   (~0x7)
184 #define BB1_PROTECTED         (1<<0)
185 #define BB1_UNPROTECTED       (0<<0)
186 #define BB2_END_ADDR_MASK     (~0x7)
187
188 #define I810REG_HWSTAM          0x02098
189 #define I810REG_INT_IDENTITY_R  0x020a4
190 #define I810REG_INT_MASK_R      0x020a8
191 #define I810REG_INT_ENABLE_R    0x020a0
192
193 #define LP_RING                 0x2030
194 #define HP_RING                 0x2040
195 #define RING_TAIL               0x00
196 #define TAIL_ADDR               0x000FFFF8
197 #define RING_HEAD               0x04
198 #define HEAD_WRAP_COUNT         0xFFE00000
199 #define HEAD_WRAP_ONE           0x00200000
200 #define HEAD_ADDR               0x001FFFFC
201 #define RING_START              0x08
202 #define START_ADDR              0x00FFFFF8
203 #define RING_LEN                0x0C
204 #define RING_NR_PAGES           0x000FF000
205 #define RING_REPORT_MASK        0x00000006
206 #define RING_REPORT_64K         0x00000002
207 #define RING_REPORT_128K        0x00000004
208 #define RING_NO_REPORT          0x00000000
209 #define RING_VALID_MASK         0x00000001
210 #define RING_VALID              0x00000001
211 #define RING_INVALID            0x00000000
212
213 #define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
214 #define SC_UPDATE_SCISSOR       (0x1<<1)
215 #define SC_ENABLE_MASK          (0x1<<0)
216 #define SC_ENABLE               (0x1<<0)
217
218 #define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
219 #define SCI_YMIN_MASK      (0xffff<<16)
220 #define SCI_XMIN_MASK      (0xffff<<0)
221 #define SCI_YMAX_MASK      (0xffff<<16)
222 #define SCI_XMAX_MASK      (0xffff<<0)
223
224 #define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
225 #define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
226 #define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x2)
227 #define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
228 #define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
229 #define GFX_OP_PRIMITIVE         ((0x3<<29)|(0x1f<<24))
230
231 #define CMD_OP_Z_BUFFER_INFO     ((0x0<<29)|(0x16<<23))
232 #define CMD_OP_DESTBUFFER_INFO   ((0x0<<29)|(0x15<<23))
233 #define CMD_OP_FRONTBUFFER_INFO  ((0x0<<29)|(0x14<<23))
234 #define CMD_OP_WAIT_FOR_EVENT    ((0x0<<29)|(0x03<<23))
235
236 #define BR00_BITBLT_CLIENT   0x40000000
237 #define BR00_OP_COLOR_BLT    0x10000000
238 #define BR00_OP_SRC_COPY_BLT 0x10C00000
239 #define BR13_SOLID_PATTERN   0x80000000
240
241 #define WAIT_FOR_PLANE_A_SCANLINES (1<<1)
242 #define WAIT_FOR_PLANE_A_FLIP      (1<<2)
243 #define WAIT_FOR_VBLANK (1<<3)
244
245 #endif