OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / gpu / drm / i810 / i810_drv.h
blobc9339f48179551dacd84b03bd74bd327d4750d80
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
4 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
6 * All rights reserved.
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:
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.
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.
27 * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
28 * Jeff Hartmann <jhartmann@valinux.com>
32 #ifndef _I810_DRV_H_
33 #define _I810_DRV_H_
35 /* General customization:
38 #define DRIVER_AUTHOR "VA Linux Systems Inc."
40 #define DRIVER_NAME "i810"
41 #define DRIVER_DESC "Intel i810"
42 #define DRIVER_DATE "20030605"
44 /* Interface history
46 * 1.1 - XFree86 4.1
47 * 1.2 - XvMC interfaces
48 * - XFree86 4.2
49 * 1.2.1 - Disable copying code (leave stub ioctls for backwards compatibility)
50 * - Remove requirement for interrupt (leave stubs again)
51 * 1.3 - Add page flipping.
52 * 1.4 - fix DRM interface
54 #define DRIVER_MAJOR 1
55 #define DRIVER_MINOR 4
56 #define DRIVER_PATCHLEVEL 0
58 typedef struct drm_i810_buf_priv {
59 u32 *in_use;
60 int my_use_idx;
61 int currently_mapped;
62 void *virtual;
63 void *kernel_virtual;
64 drm_local_map_t map;
65 } drm_i810_buf_priv_t;
67 typedef struct _drm_i810_ring_buffer {
68 int tail_mask;
69 unsigned long Start;
70 unsigned long End;
71 unsigned long Size;
72 u8 *virtual_start;
73 int head;
74 int tail;
75 int space;
76 drm_local_map_t map;
77 } drm_i810_ring_buffer_t;
79 typedef struct drm_i810_private {
80 struct drm_local_map *sarea_map;
81 struct drm_local_map *mmio_map;
83 drm_i810_sarea_t *sarea_priv;
84 drm_i810_ring_buffer_t ring;
86 void *hw_status_page;
87 unsigned long counter;
89 dma_addr_t dma_status_page;
91 struct drm_buf *mmap_buffer;
93 u32 front_di1, back_di1, zi1;
95 int back_offset;
96 int depth_offset;
97 int overlay_offset;
98 int overlay_physical;
99 int w, h;
100 int pitch;
101 int back_pitch;
102 int depth_pitch;
104 int do_boxes;
105 int dma_used;
107 int current_page;
108 int page_flipping;
110 wait_queue_head_t irq_queue;
111 atomic_t irq_received;
112 atomic_t irq_emitted;
114 int front_offset;
115 } drm_i810_private_t;
117 /* i810_dma.c */
118 extern int i810_driver_dma_quiescent(struct drm_device *dev);
119 extern void i810_driver_reclaim_buffers_locked(struct drm_device *dev,
120 struct drm_file *file_priv);
121 extern int i810_driver_load(struct drm_device *, unsigned long flags);
122 extern void i810_driver_lastclose(struct drm_device *dev);
123 extern void i810_driver_preclose(struct drm_device *dev,
124 struct drm_file *file_priv);
125 extern void i810_driver_reclaim_buffers_locked(struct drm_device *dev,
126 struct drm_file *file_priv);
127 extern int i810_driver_device_is_agp(struct drm_device *dev);
129 extern long i810_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
130 extern struct drm_ioctl_desc i810_ioctls[];
131 extern int i810_max_ioctl;
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)
143 #define I810_VERBOSE 0
144 #define RING_LOCALS unsigned int outring, ringmask; \
145 volatile char *virt;
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)
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)
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)
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)
179 #define INST_PARSER_CLIENT 0x00000000
180 #define INST_OP_FLUSH 0x02000000
181 #define INST_FLUSH_MAP_CACHE 0x00000001
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)
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
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
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)
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)
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))
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))
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
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)
245 #endif