Merge tag 'scmi-fixes-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep...
[linux-2.6-microblaze.git] / 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_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