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drm: ati_pcigart: simplify page_count manipulations
[net-next-2.6.git] / drivers / char / drm / i915_drv.h
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1da177e4
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1/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
2 */
0d6aa60b 3/*
bc54fd1a 4 *
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5 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * All Rights Reserved.
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7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sub license, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
18 * of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
23 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
24 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 *
0d6aa60b 28 */
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29
30#ifndef _I915_DRV_H_
31#define _I915_DRV_H_
32
33/* General customization:
34 */
35
36#define DRIVER_AUTHOR "Tungsten Graphics, Inc."
37
38#define DRIVER_NAME "i915"
39#define DRIVER_DESC "Intel Graphics"
0d6aa60b 40#define DRIVER_DATE "20051209"
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41
42/* Interface history:
43 *
44 * 1.1: Original.
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45 * 1.2: Add Power Management
46 * 1.3: Add vblank support
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47 */
48#define DRIVER_MAJOR 1
0d6aa60b 49#define DRIVER_MINOR 3
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50#define DRIVER_PATCHLEVEL 0
51
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52typedef struct _drm_i915_ring_buffer {
53 int tail_mask;
54 unsigned long Start;
55 unsigned long End;
56 unsigned long Size;
57 u8 *virtual_start;
58 int head;
59 int tail;
60 int space;
61 drm_local_map_t map;
62} drm_i915_ring_buffer_t;
63
64struct mem_block {
65 struct mem_block *next;
66 struct mem_block *prev;
67 int start;
68 int size;
69 DRMFILE filp; /* 0: free, -1: heap, other: real files */
70};
71
72typedef struct drm_i915_private {
73 drm_local_map_t *sarea;
74 drm_local_map_t *mmio_map;
75
76 drm_i915_sarea_t *sarea_priv;
77 drm_i915_ring_buffer_t ring;
78
9c8da5eb 79 drm_dma_handle_t *status_page_dmah;
1da177e4 80 void *hw_status_page;
1da177e4 81 dma_addr_t dma_status_page;
9c8da5eb 82 unsigned long counter;
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83
84 int back_offset;
85 int front_offset;
86 int current_page;
87 int page_flipping;
88 int use_mi_batchbuffer_start;
89
90 wait_queue_head_t irq_queue;
91 atomic_t irq_received;
92 atomic_t irq_emitted;
93
94 int tex_lru_log_granularity;
95 int allow_batchbuffer;
96 struct mem_block *agp_heap;
0d6aa60b 97 unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
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98} drm_i915_private_t;
99
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100extern drm_ioctl_desc_t i915_ioctls[];
101extern int i915_max_ioctl;
102
1da177e4 103 /* i915_dma.c */
1da177e4 104extern void i915_kernel_lost_context(drm_device_t * dev);
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105extern int i915_driver_load(struct drm_device *, unsigned long flags);
106extern void i915_driver_lastclose(drm_device_t * dev);
107extern void i915_driver_preclose(drm_device_t * dev, DRMFILE filp);
b5e89ed5 108extern int i915_driver_device_is_agp(drm_device_t * dev);
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109extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
110 unsigned long arg);
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111
112/* i915_irq.c */
113extern int i915_irq_emit(DRM_IOCTL_ARGS);
114extern int i915_irq_wait(DRM_IOCTL_ARGS);
1da177e4 115
0d6aa60b 116extern int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence);
1da177e4 117extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
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118extern void i915_driver_irq_preinstall(drm_device_t * dev);
119extern void i915_driver_irq_postinstall(drm_device_t * dev);
120extern void i915_driver_irq_uninstall(drm_device_t * dev);
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121
122/* i915_mem.c */
123extern int i915_mem_alloc(DRM_IOCTL_ARGS);
124extern int i915_mem_free(DRM_IOCTL_ARGS);
125extern int i915_mem_init_heap(DRM_IOCTL_ARGS);
126extern void i915_mem_takedown(struct mem_block **heap);
127extern void i915_mem_release(drm_device_t * dev,
128 DRMFILE filp, struct mem_block *heap);
129
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130#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg))
131#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
132#define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg))
133#define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
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134
135#define I915_VERBOSE 0
136
137#define RING_LOCALS unsigned int outring, ringmask, outcount; \
138 volatile char *virt;
139
140#define BEGIN_LP_RING(n) do { \
141 if (I915_VERBOSE) \
142 DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n", \
143 n, __FUNCTION__); \
144 if (dev_priv->ring.space < n*4) \
145 i915_wait_ring(dev, n*4, __FUNCTION__); \
146 outcount = 0; \
147 outring = dev_priv->ring.tail; \
148 ringmask = dev_priv->ring.tail_mask; \
149 virt = dev_priv->ring.virtual_start; \
150} while (0)
151
152#define OUT_RING(n) do { \
153 if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
154 *(volatile unsigned int *)(virt + outring) = n; \
155 outcount++; \
156 outring += 4; \
157 outring &= ringmask; \
158} while (0)
159
160#define ADVANCE_LP_RING() do { \
161 if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring); \
162 dev_priv->ring.tail = outring; \
163 dev_priv->ring.space -= outcount * 4; \
164 I915_WRITE(LP_RING + RING_TAIL, outring); \
165} while(0)
166
167extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
168
169#define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23))
170#define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23))
171#define CMD_REPORT_HEAD (7<<23)
172#define CMD_STORE_DWORD_IDX ((0x21<<23) | 0x1)
173#define CMD_OP_BATCH_BUFFER ((0x0<<29)|(0x30<<23)|0x1)
174
175#define INST_PARSER_CLIENT 0x00000000
176#define INST_OP_FLUSH 0x02000000
177#define INST_FLUSH_MAP_CACHE 0x00000001
178
179#define BB1_START_ADDR_MASK (~0x7)
180#define BB1_PROTECTED (1<<0)
181#define BB1_UNPROTECTED (0<<0)
182#define BB2_END_ADDR_MASK (~0x7)
183
184#define I915REG_HWSTAM 0x02098
185#define I915REG_INT_IDENTITY_R 0x020a4
186#define I915REG_INT_MASK_R 0x020a8
187#define I915REG_INT_ENABLE_R 0x020a0
188
189#define SRX_INDEX 0x3c4
190#define SRX_DATA 0x3c5
191#define SR01 1
192#define SR01_SCREEN_OFF (1<<5)
193
194#define PPCR 0x61204
195#define PPCR_ON (1<<0)
196
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197#define DVOB 0x61140
198#define DVOB_ON (1<<31)
199#define DVOC 0x61160
200#define DVOC_ON (1<<31)
201#define LVDS 0x61180
202#define LVDS_ON (1<<31)
203
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204#define ADPA 0x61100
205#define ADPA_DPMS_MASK (~(3<<10))
206#define ADPA_DPMS_ON (0<<10)
207#define ADPA_DPMS_SUSPEND (1<<10)
208#define ADPA_DPMS_STANDBY (2<<10)
209#define ADPA_DPMS_OFF (3<<10)
210
211#define NOPID 0x2094
212#define LP_RING 0x2030
213#define HP_RING 0x2040
214#define RING_TAIL 0x00
215#define TAIL_ADDR 0x001FFFF8
216#define RING_HEAD 0x04
217#define HEAD_WRAP_COUNT 0xFFE00000
218#define HEAD_WRAP_ONE 0x00200000
219#define HEAD_ADDR 0x001FFFFC
220#define RING_START 0x08
221#define START_ADDR 0x0xFFFFF000
222#define RING_LEN 0x0C
223#define RING_NR_PAGES 0x001FF000
224#define RING_REPORT_MASK 0x00000006
225#define RING_REPORT_64K 0x00000002
226#define RING_REPORT_128K 0x00000004
227#define RING_NO_REPORT 0x00000000
228#define RING_VALID_MASK 0x00000001
229#define RING_VALID 0x00000001
230#define RING_INVALID 0x00000000
231
232#define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19))
233#define SC_UPDATE_SCISSOR (0x1<<1)
234#define SC_ENABLE_MASK (0x1<<0)
235#define SC_ENABLE (0x1<<0)
236
237#define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
238#define SCI_YMIN_MASK (0xffff<<16)
239#define SCI_XMIN_MASK (0xffff<<0)
240#define SCI_YMAX_MASK (0xffff<<16)
241#define SCI_XMAX_MASK (0xffff<<0)
242
243#define GFX_OP_SCISSOR_ENABLE ((0x3<<29)|(0x1c<<24)|(0x10<<19))
244#define GFX_OP_SCISSOR_RECT ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
245#define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
246#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16))
247#define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4)
248#define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
249#define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
250
251#define MI_BATCH_BUFFER ((0x30<<23)|1)
252#define MI_BATCH_BUFFER_START (0x31<<23)
253#define MI_BATCH_BUFFER_END (0xA<<23)
254#define MI_BATCH_NON_SECURE (1)
255
256#define MI_WAIT_FOR_EVENT ((0x3<<23))
257#define MI_WAIT_FOR_PLANE_A_FLIP (1<<2)
258#define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
259
260#define MI_LOAD_SCAN_LINES_INCL ((0x12<<23))
261
262#define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
263#define ASYNC_FLIP (1<<22)
264
265#define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
266
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267#define READ_BREADCRUMB(dev_priv) (((u32 *)(dev_priv->hw_status_page))[5])
268
1da177e4 269#endif