xref: /titanic_41/usr/src/uts/intel/io/drm/i915_drv.h (revision 46736d35df047bb400483364f76bfcb08cdcbb25)
1 /*
2  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 /* BEGIN CSTYLED */
7 
8 /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
9  */
10 /**************************************************************************
11  *
12  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
13  * All Rights Reserved.
14  *
15  * Permission is hereby granted, free of charge, to any person obtaining a
16  * copy of this software and associated documentation files (the
17  * "Software"), to deal in the Software without restriction, including
18  * without limitation the rights to use, copy, modify, merge, publish,
19  * distribute, sub license, and/or sell copies of the Software, and to
20  * permit persons to whom the Software is furnished to do so, subject to
21  * the following conditions:
22  *
23  * The above copyright notice and this permission notice (including the
24  * next paragraph) shall be included in all copies or substantial portions
25  * of the Software.
26  *
27  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
28  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
30  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
31  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
32  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
33  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34  *
35  **************************************************************************/
36 
37 #ifndef _I915_DRV_H
38 #define _I915_DRV_H
39 
40 #pragma ident	"%Z%%M%	%I%	%E% SMI"
41 
42 /* General customization:
43  */
44 
45 #define DRIVER_AUTHOR		"Tungsten Graphics, Inc."
46 
47 #define DRIVER_NAME		"i915"
48 #define DRIVER_DESC		"Intel Graphics"
49 #define DRIVER_DATE		"20060801"
50 
51 /* Interface history:
52  *
53  * 1.1: Original.
54  * 1.2: Add Power Management
55  */
56 #define DRIVER_MAJOR		1
57 #define DRIVER_MINOR		2
58 #define DRIVER_PATCHLEVEL	0
59 
60 typedef struct _drm_i915_ring_buffer {
61 	int tail_mask;
62 	unsigned long Start;
63 	unsigned long End;
64 	unsigned long Size;
65 	u8 *virtual_start;
66 	int head;
67 	int tail;
68 	int space;
69 	drm_local_map_t map;
70 } drm_i915_ring_buffer_t;
71 
72 struct mem_block {
73 	struct mem_block *next;
74 	struct mem_block *prev;
75 	int start;
76 	int size;
77 	DRMFILE filp;		/* 0: free, -1: heap, other: real files */
78 };
79 
80 typedef struct drm_i915_private {
81 	drm_local_map_t *sarea;
82 	drm_local_map_t *mmio_map;
83 
84 	drm_i915_sarea_t *sarea_priv;
85 	drm_i915_ring_buffer_t ring;
86 
87 #if !defined(__SOLARIS__) && !defined(sun)
88  	drm_dma_handle_t *status_page_dmah;
89 #endif
90 	void *hw_status_page;
91 	dma_addr_t dma_status_page;
92 	unsigned long counter;
93 
94 	int back_offset;
95 	int front_offset;
96 	int current_page;
97 	int page_flipping;
98 	int use_mi_batchbuffer_start;
99 
100 	wait_queue_head_t irq_queue;
101 	atomic_t irq_received;
102 	atomic_t irq_emitted;
103 
104 	int tex_lru_log_granularity;
105 	int allow_batchbuffer;
106 	struct mem_block *agp_heap;
107 	unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
108 } drm_i915_private_t;
109 
110 				/* i915_dma.c */
111 extern void i915_kernel_lost_context(drm_device_t * dev);
112 extern int i915_driver_load(drm_device_t *, unsigned long flags);
113 extern void i915_driver_lastclose(drm_device_t * dev);
114 extern void i915_driver_preclose(drm_device_t * dev, DRMFILE filp);
115 extern int i915_driver_device_is_agp(drm_device_t * dev);
116 
117 /* i915_irq.c */
118 extern int i915_irq_emit(DRM_IOCTL_ARGS);
119 extern int i915_irq_wait(DRM_IOCTL_ARGS);
120 
121 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
122 extern void i915_driver_irq_preinstall(drm_device_t * dev);
123 extern void i915_driver_irq_postinstall(drm_device_t * dev);
124 extern void i915_driver_irq_uninstall(drm_device_t * dev);
125 
126 /* i915_mem.c */
127 extern int i915_mem_alloc(DRM_IOCTL_ARGS);
128 extern int i915_mem_free(DRM_IOCTL_ARGS);
129 extern int i915_mem_init_heap(DRM_IOCTL_ARGS);
130 extern void i915_mem_takedown(struct mem_block **heap);
131 extern void i915_mem_release(drm_device_t * dev,
132 			     DRMFILE filp, struct mem_block *heap);
133 extern struct mem_block **get_heap(drm_i915_private_t * dev_priv, int region);
134 extern struct mem_block *find_block_by_proc(struct mem_block *heap, DRMFILE filp);
135 extern void mark_block(drm_device_t * dev, struct mem_block *p, int in_use);
136 extern void free_block(struct mem_block *p);
137 
138 
139 #define I915_READ(reg)          DRM_READ32(dev_priv->mmio_map, (reg))
140 #define I915_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
141 #define I915_READ16(reg) 	DRM_READ16(dev_priv->mmio_map, (reg))
142 #define I915_WRITE16(reg,val)	DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
143 
144 /* to make it LINT clean */
145 static int i915_verbose = 0;
146 #ifndef I915_VERBOSE
147 #define I915_VERBOSE i915_verbose
148 #endif
149 
150 #define RING_LOCALS	unsigned int outring, ringmask, outcount; \
151                         volatile unsigned char *virt;
152 
153 #define BEGIN_LP_RING(n) do {				\
154 	if (I915_VERBOSE)				\
155 		DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n",	\
156 			  n, __FUNCTION__);		\
157 	if (dev_priv->ring.space < n*4)			\
158 		(void) i915_wait_ring(dev, n*4, __FUNCTION__);		\
159 	outcount = 0;					\
160 	outring = dev_priv->ring.tail;			\
161 	ringmask = dev_priv->ring.tail_mask;		\
162 	virt = dev_priv->ring.virtual_start;		\
163 } while (*"\0")
164 
165 #define OUT_RING(n) do {					\
166 	if (I915_VERBOSE) DRM_DEBUG("   OUT_RING %x\n", (int)(n));	\
167 	*(volatile unsigned int *)(virt + outring) = n;		\
168         outcount++;						\
169 	outring += 4;						\
170 	outring &= ringmask;					\
171 } while (*"\0")
172 
173 #define ADVANCE_LP_RING() do {						\
174 	if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring);	\
175 	dev_priv->ring.tail = outring;					\
176 	dev_priv->ring.space -= outcount * 4;				\
177 	I915_WRITE(LP_RING + RING_TAIL, outring);			\
178 } while (*"\0")
179 
180 extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
181 
182 #define GFX_OP_USER_INTERRUPT 		((0<<29)|(2<<23))
183 #define GFX_OP_BREAKPOINT_INTERRUPT	((0<<29)|(1<<23))
184 #define CMD_REPORT_HEAD			(7<<23)
185 #define CMD_STORE_DWORD_IDX		((0x21<<23) | 0x1)
186 #define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
187 
188 #define INST_PARSER_CLIENT   0x00000000
189 #define INST_OP_FLUSH        0x02000000
190 #define INST_FLUSH_MAP_CACHE 0x00000001
191 
192 #define BB1_START_ADDR_MASK   (~0x7)
193 #define BB1_PROTECTED         (1<<0)
194 #define BB1_UNPROTECTED       (0<<0)
195 #define BB2_END_ADDR_MASK     (~0x7)
196 
197 #define I915REG_HWSTAM		0x02098
198 #define I915REG_INT_IDENTITY_R	0x020a4
199 #define I915REG_INT_MASK_R 	0x020a8
200 #define I915REG_INT_ENABLE_R	0x020a0
201 
202 #define SRX_INDEX		0x3c4
203 #define SRX_DATA		0x3c5
204 #define SR01			1
205 #define SR01_SCREEN_OFF 	(1<<5)
206 
207 #define PPCR			0x61204
208 #define PPCR_ON			(1<<0)
209 
210 #define DVOB			0x61140
211 #define DVOB_ON			(1<<31)
212 #define DVOC			0x61160
213 #define DVOC_ON			(1<<31)
214 #define LVDS			0x61180
215 #define LVDS_ON			(1<<31)
216 
217 #define ADPA			0x61100
218 #define ADPA_DPMS_MASK		(~(3<<10))
219 #define ADPA_DPMS_ON		(0<<10)
220 #define ADPA_DPMS_SUSPEND	(1<<10)
221 #define ADPA_DPMS_STANDBY	(2<<10)
222 #define ADPA_DPMS_OFF		(3<<10)
223 
224 #define NOPID                   0x2094
225 #define LP_RING     		0x2030
226 #define HP_RING     		0x2040
227 #define RING_TAIL      		0x00
228 #define TAIL_ADDR		0x001FFFF8
229 #define RING_HEAD      		0x04
230 #define HEAD_WRAP_COUNT     	0xFFE00000
231 #define HEAD_WRAP_ONE       	0x00200000
232 #define HEAD_ADDR           	0x001FFFFC
233 #define RING_START     		0x08
234 #define START_ADDR          	0x0xFFFFF000
235 #define RING_LEN       		0x0C
236 #define RING_NR_PAGES       	0x001FF000
237 #define RING_REPORT_MASK    	0x00000006
238 #define RING_REPORT_64K     	0x00000002
239 #define RING_REPORT_128K    	0x00000004
240 #define RING_NO_REPORT      	0x00000000
241 #define RING_VALID_MASK     	0x00000001
242 #define RING_VALID          	0x00000001
243 #define RING_INVALID        	0x00000000
244 
245 #define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
246 #define SC_UPDATE_SCISSOR       (0x1<<1)
247 #define SC_ENABLE_MASK          (0x1<<0)
248 #define SC_ENABLE               (0x1<<0)
249 
250 #define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
251 #define SCI_YMIN_MASK      (0xffff<<16)
252 #define SCI_XMIN_MASK      (0xffff<<0)
253 #define SCI_YMAX_MASK      (0xffff<<16)
254 #define SCI_XMAX_MASK      (0xffff<<0)
255 
256 #define GFX_OP_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19))
257 #define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
258 #define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
259 #define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
260 #define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
261 #define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
262 #define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
263 
264 #define MI_BATCH_BUFFER 	((0x30<<23)|1)
265 #define MI_BATCH_BUFFER_START 	(0x31<<23)
266 #define MI_BATCH_BUFFER_END 	(0xA<<23)
267 #define MI_BATCH_NON_SECURE	(1)
268 
269 #define MI_WAIT_FOR_EVENT       ((0x3<<23))
270 #define MI_WAIT_FOR_PLANE_A_FLIP      (1<<2)
271 #define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
272 
273 #define MI_LOAD_SCAN_LINES_INCL  ((0x12<<23))
274 
275 #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
276 #define ASYNC_FLIP                (1<<22)
277 
278 #define CMD_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
279 
280 #endif /* _I915_DRV_H */
281