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1/*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
15 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
17 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
18 * USE OR OTHER DEALINGS IN THE SOFTWARE.
19 *
20 * The above copyright notice and this permission notice (including the
21 * next paragraph) shall be included in all copies or substantial portions
22 * of the Software.
23 *
24 */
25/*
26 * Authors: Dave Airlie <airlied@redhat.com>
27 */
28#ifndef __AST_DRV_H__
29#define __AST_DRV_H__
30
31#include <drm/drm_fb_helper.h>
32
33#include <drm/ttm/ttm_bo_api.h>
34#include <drm/ttm/ttm_bo_driver.h>
35#include <drm/ttm/ttm_placement.h>
36#include <drm/ttm/ttm_memory.h>
37#include <drm/ttm/ttm_module.h>
38
39#include <drm/drm_gem.h>
40
41#include <linux/i2c.h>
42#include <linux/i2c-algo-bit.h>
43
44#define DRIVER_AUTHOR "Dave Airlie"
45
46#define DRIVER_NAME "ast"
47#define DRIVER_DESC "AST"
48#define DRIVER_DATE "20120228"
49
50#define DRIVER_MAJOR 0
51#define DRIVER_MINOR 1
52#define DRIVER_PATCHLEVEL 0
53
54#define PCI_CHIP_AST2000 0x2000
55#define PCI_CHIP_AST2100 0x2010
56#define PCI_CHIP_AST1180 0x1180
57
58
59enum ast_chip {
60 AST2000,
61 AST2100,
62 AST1100,
63 AST2200,
64 AST2150,
65 AST2300,
66 AST2400,
67 AST1180,
68};
69
70enum ast_tx_chip {
71 AST_TX_NONE,
72 AST_TX_SIL164,
73 AST_TX_ITE66121,
74 AST_TX_DP501,
75};
76
77#define AST_DRAM_512Mx16 0
78#define AST_DRAM_1Gx16 1
79#define AST_DRAM_512Mx32 2
80#define AST_DRAM_1Gx32 3
81#define AST_DRAM_2Gx16 6
82#define AST_DRAM_4Gx16 7
83
84struct ast_fbdev;
85
86struct ast_private {
87 struct drm_device *dev;
88
89 void __iomem *regs;
90 void __iomem *ioregs;
91
92 enum ast_chip chip;
93 bool vga2_clone;
94 uint32_t dram_bus_width;
95 uint32_t dram_type;
96 uint32_t mclk;
97 uint32_t vram_size;
98
99 struct ast_fbdev *fbdev;
100
101 int fb_mtrr;
102
103 struct {
104 struct drm_global_reference mem_global_ref;
105 struct ttm_bo_global_ref bo_global_ref;
106 struct ttm_bo_device bdev;
107 } ttm;
108
109 struct drm_gem_object *cursor_cache;
110 uint64_t cursor_cache_gpu_addr;
111 /* Acces to this cache is protected by the crtc->mutex of the only crtc
112 * we have. */
113 struct ttm_bo_kmap_obj cache_kmap;
114 int next_cursor;
115 bool support_wide_screen;
116
117 enum ast_tx_chip tx_chip_type;
118 u8 dp501_maxclk;
119 u8 *dp501_fw_addr;
120 const struct firmware *dp501_fw; /* dp501 fw */
121};
122
123int ast_driver_load(struct drm_device *dev, unsigned long flags);
124int ast_driver_unload(struct drm_device *dev);
125
126struct ast_gem_object;
127
128#define AST_IO_AR_PORT_WRITE (0x40)
129#define AST_IO_MISC_PORT_WRITE (0x42)
130#define AST_IO_VGA_ENABLE_PORT (0x43)
131#define AST_IO_SEQ_PORT (0x44)
132#define AST_IO_DAC_INDEX_READ (0x47)
133#define AST_IO_DAC_INDEX_WRITE (0x48)
134#define AST_IO_DAC_DATA (0x49)
135#define AST_IO_GR_PORT (0x4E)
136#define AST_IO_CRTC_PORT (0x54)
137#define AST_IO_INPUT_STATUS1_READ (0x5A)
138#define AST_IO_MISC_PORT_READ (0x4C)
139
140#define AST_IO_MM_OFFSET (0x380)
141
142#define __ast_read(x) \
143static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
144u##x val = 0;\
145val = ioread##x(ast->regs + reg); \
146return val;\
147}
148
149__ast_read(8);
150__ast_read(16);
151__ast_read(32)
152
153#define __ast_io_read(x) \
154static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \
155u##x val = 0;\
156val = ioread##x(ast->ioregs + reg); \
157return val;\
158}
159
160__ast_io_read(8);
161__ast_io_read(16);
162__ast_io_read(32);
163
164#define __ast_write(x) \
165static inline void ast_write##x(struct ast_private *ast, u32 reg, u##x val) {\
166 iowrite##x(val, ast->regs + reg);\
167 }
168
169__ast_write(8);
170__ast_write(16);
171__ast_write(32);
172
173#define __ast_io_write(x) \
174static inline void ast_io_write##x(struct ast_private *ast, u32 reg, u##x val) {\
175 iowrite##x(val, ast->ioregs + reg);\
176 }
177
178__ast_io_write(8);
179__ast_io_write(16);
180#undef __ast_io_write
181
182static inline void ast_set_index_reg(struct ast_private *ast,
183 uint32_t base, uint8_t index,
184 uint8_t val)
185{
186 ast_io_write16(ast, base, ((u16)val << 8) | index);
187}
188
189void ast_set_index_reg_mask(struct ast_private *ast,
190 uint32_t base, uint8_t index,
191 uint8_t mask, uint8_t val);
192uint8_t ast_get_index_reg(struct ast_private *ast,
193 uint32_t base, uint8_t index);
194uint8_t ast_get_index_reg_mask(struct ast_private *ast,
195 uint32_t base, uint8_t index, uint8_t mask);
196
197static inline void ast_open_key(struct ast_private *ast)
198{
199 ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x80, 0xA8);
200}
201
202#define AST_VIDMEM_SIZE_8M 0x00800000
203#define AST_VIDMEM_SIZE_16M 0x01000000
204#define AST_VIDMEM_SIZE_32M 0x02000000
205#define AST_VIDMEM_SIZE_64M 0x04000000
206#define AST_VIDMEM_SIZE_128M 0x08000000
207
208#define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
209
210#define AST_MAX_HWC_WIDTH 64
211#define AST_MAX_HWC_HEIGHT 64
212
213#define AST_HWC_SIZE (AST_MAX_HWC_WIDTH*AST_MAX_HWC_HEIGHT*2)
214#define AST_HWC_SIGNATURE_SIZE 32
215
216#define AST_DEFAULT_HWC_NUM 2
217/* define for signature structure */
218#define AST_HWC_SIGNATURE_CHECKSUM 0x00
219#define AST_HWC_SIGNATURE_SizeX 0x04
220#define AST_HWC_SIGNATURE_SizeY 0x08
221#define AST_HWC_SIGNATURE_X 0x0C
222#define AST_HWC_SIGNATURE_Y 0x10
223#define AST_HWC_SIGNATURE_HOTSPOTX 0x14
224#define AST_HWC_SIGNATURE_HOTSPOTY 0x18
225
226
227struct ast_i2c_chan {
228 struct i2c_adapter adapter;
229 struct drm_device *dev;
230 struct i2c_algo_bit_data bit;
231};
232
233struct ast_connector {
234 struct drm_connector base;
235 struct ast_i2c_chan *i2c;
236};
237
238struct ast_crtc {
239 struct drm_crtc base;
240 u8 lut_r[256], lut_g[256], lut_b[256];
241 struct drm_gem_object *cursor_bo;
242 uint64_t cursor_addr;
243 int cursor_width, cursor_height;
244 u8 offset_x, offset_y;
245};
246
247struct ast_encoder {
248 struct drm_encoder base;
249};
250
251struct ast_framebuffer {
252 struct drm_framebuffer base;
253 struct drm_gem_object *obj;
254};
255
256struct ast_fbdev {
257 struct drm_fb_helper helper;
258 struct ast_framebuffer afb;
259 void *sysram;
260 int size;
261 struct ttm_bo_kmap_obj mapping;
262 int x1, y1, x2, y2; /* dirty rect */
263 spinlock_t dirty_lock;
264};
265
266#define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
267#define to_ast_connector(x) container_of(x, struct ast_connector, base)
268#define to_ast_encoder(x) container_of(x, struct ast_encoder, base)
269#define to_ast_framebuffer(x) container_of(x, struct ast_framebuffer, base)
270
271struct ast_vbios_stdtable {
272 u8 misc;
273 u8 seq[4];
274 u8 crtc[25];
275 u8 ar[20];
276 u8 gr[9];
277};
278
279struct ast_vbios_enhtable {
280 u32 ht;
281 u32 hde;
282 u32 hfp;
283 u32 hsync;
284 u32 vt;
285 u32 vde;
286 u32 vfp;
287 u32 vsync;
288 u32 dclk_index;
289 u32 flags;
290 u32 refresh_rate;
291 u32 refresh_rate_index;
292 u32 mode_id;
293};
294
295struct ast_vbios_dclk_info {
296 u8 param1;
297 u8 param2;
298 u8 param3;
299};
300
301struct ast_vbios_mode_info {
302 struct ast_vbios_stdtable *std_table;
303 struct ast_vbios_enhtable *enh_table;
304};
305
306extern int ast_mode_init(struct drm_device *dev);
307extern void ast_mode_fini(struct drm_device *dev);
308
309int ast_framebuffer_init(struct drm_device *dev,
310 struct ast_framebuffer *ast_fb,
311 const struct drm_mode_fb_cmd2 *mode_cmd,
312 struct drm_gem_object *obj);
313
314int ast_fbdev_init(struct drm_device *dev);
315void ast_fbdev_fini(struct drm_device *dev);
316void ast_fbdev_set_suspend(struct drm_device *dev, int state);
317void ast_fbdev_set_base(struct ast_private *ast, unsigned long gpu_addr);
318
319struct ast_bo {
320 struct ttm_buffer_object bo;
321 struct ttm_placement placement;
322 struct ttm_bo_kmap_obj kmap;
323 struct drm_gem_object gem;
324 struct ttm_place placements[3];
325 int pin_count;
326};
327#define gem_to_ast_bo(gobj) container_of((gobj), struct ast_bo, gem)
328
329static inline struct ast_bo *
330ast_bo(struct ttm_buffer_object *bo)
331{
332 return container_of(bo, struct ast_bo, bo);
333}
334
335
336#define to_ast_obj(x) container_of(x, struct ast_gem_object, base)
337
338#define AST_MM_ALIGN_SHIFT 4
339#define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
340
341extern int ast_dumb_create(struct drm_file *file,
342 struct drm_device *dev,
343 struct drm_mode_create_dumb *args);
344
345extern void ast_gem_free_object(struct drm_gem_object *obj);
346extern int ast_dumb_mmap_offset(struct drm_file *file,
347 struct drm_device *dev,
348 uint32_t handle,
349 uint64_t *offset);
350
351#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
352
353int ast_mm_init(struct ast_private *ast);
354void ast_mm_fini(struct ast_private *ast);
355
356int ast_bo_create(struct drm_device *dev, int size, int align,
357 uint32_t flags, struct ast_bo **pastbo);
358
359int ast_gem_create(struct drm_device *dev,
360 u32 size, bool iskernel,
361 struct drm_gem_object **obj);
362
363int ast_bo_pin(struct ast_bo *bo, u32 pl_flag, u64 *gpu_addr);
364int ast_bo_unpin(struct ast_bo *bo);
365
366static inline int ast_bo_reserve(struct ast_bo *bo, bool no_wait)
367{
368 int ret;
369
370 ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, NULL);
371 if (ret) {
372 if (ret != -ERESTARTSYS && ret != -EBUSY)
373 DRM_ERROR("reserve failed %p\n", bo);
374 return ret;
375 }
376 return 0;
377}
378
379static inline void ast_bo_unreserve(struct ast_bo *bo)
380{
381 ttm_bo_unreserve(&bo->bo);
382}
383
384void ast_ttm_placement(struct ast_bo *bo, int domain);
385int ast_bo_push_sysram(struct ast_bo *bo);
386int ast_mmap(struct file *filp, struct vm_area_struct *vma);
387
388/* ast post */
389void ast_enable_vga(struct drm_device *dev);
390void ast_enable_mmio(struct drm_device *dev);
391bool ast_is_vga_enabled(struct drm_device *dev);
392void ast_post_gpu(struct drm_device *dev);
393u32 ast_mindwm(struct ast_private *ast, u32 r);
394void ast_moutdwm(struct ast_private *ast, u32 r, u32 v);
395/* ast dp501 */
396int ast_load_dp501_microcode(struct drm_device *dev);
397void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
398bool ast_launch_m68k(struct drm_device *dev);
399bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
400bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
401u8 ast_get_dp501_max_clk(struct drm_device *dev);
402void ast_init_3rdtx(struct drm_device *dev);
403#endif
1/*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
15 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
17 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
18 * USE OR OTHER DEALINGS IN THE SOFTWARE.
19 *
20 * The above copyright notice and this permission notice (including the
21 * next paragraph) shall be included in all copies or substantial portions
22 * of the Software.
23 *
24 */
25/*
26 * Authors: Dave Airlie <airlied@redhat.com>
27 */
28#ifndef __AST_DRV_H__
29#define __AST_DRV_H__
30
31#include <linux/types.h>
32#include <linux/io.h>
33#include <linux/i2c.h>
34#include <linux/i2c-algo-bit.h>
35
36#include <drm/drm_connector.h>
37#include <drm/drm_crtc.h>
38#include <drm/drm_encoder.h>
39#include <drm/drm_mode.h>
40#include <drm/drm_framebuffer.h>
41#include <drm/drm_fb_helper.h>
42
43#define DRIVER_AUTHOR "Dave Airlie"
44
45#define DRIVER_NAME "ast"
46#define DRIVER_DESC "AST"
47#define DRIVER_DATE "20120228"
48
49#define DRIVER_MAJOR 0
50#define DRIVER_MINOR 1
51#define DRIVER_PATCHLEVEL 0
52
53#define PCI_CHIP_AST2000 0x2000
54#define PCI_CHIP_AST2100 0x2010
55#define PCI_CHIP_AST1180 0x1180
56
57
58enum ast_chip {
59 AST2000,
60 AST2100,
61 AST1100,
62 AST2200,
63 AST2150,
64 AST2300,
65 AST2400,
66 AST2500,
67 AST1180,
68};
69
70enum ast_tx_chip {
71 AST_TX_NONE,
72 AST_TX_SIL164,
73 AST_TX_ITE66121,
74 AST_TX_DP501,
75};
76
77#define AST_DRAM_512Mx16 0
78#define AST_DRAM_1Gx16 1
79#define AST_DRAM_512Mx32 2
80#define AST_DRAM_1Gx32 3
81#define AST_DRAM_2Gx16 6
82#define AST_DRAM_4Gx16 7
83#define AST_DRAM_8Gx16 8
84
85struct ast_private {
86 struct drm_device *dev;
87
88 void __iomem *regs;
89 void __iomem *ioregs;
90
91 enum ast_chip chip;
92 bool vga2_clone;
93 uint32_t dram_bus_width;
94 uint32_t dram_type;
95 uint32_t mclk;
96 uint32_t vram_size;
97
98 int fb_mtrr;
99
100 struct drm_gem_object *cursor_cache;
101 int next_cursor;
102 bool support_wide_screen;
103 enum {
104 ast_use_p2a,
105 ast_use_dt,
106 ast_use_defaults
107 } config_mode;
108
109 enum ast_tx_chip tx_chip_type;
110 u8 dp501_maxclk;
111 u8 *dp501_fw_addr;
112 const struct firmware *dp501_fw; /* dp501 fw */
113};
114
115int ast_driver_load(struct drm_device *dev, unsigned long flags);
116void ast_driver_unload(struct drm_device *dev);
117
118struct ast_gem_object;
119
120#define AST_IO_AR_PORT_WRITE (0x40)
121#define AST_IO_MISC_PORT_WRITE (0x42)
122#define AST_IO_VGA_ENABLE_PORT (0x43)
123#define AST_IO_SEQ_PORT (0x44)
124#define AST_IO_DAC_INDEX_READ (0x47)
125#define AST_IO_DAC_INDEX_WRITE (0x48)
126#define AST_IO_DAC_DATA (0x49)
127#define AST_IO_GR_PORT (0x4E)
128#define AST_IO_CRTC_PORT (0x54)
129#define AST_IO_INPUT_STATUS1_READ (0x5A)
130#define AST_IO_MISC_PORT_READ (0x4C)
131
132#define AST_IO_MM_OFFSET (0x380)
133
134#define __ast_read(x) \
135static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
136u##x val = 0;\
137val = ioread##x(ast->regs + reg); \
138return val;\
139}
140
141__ast_read(8);
142__ast_read(16);
143__ast_read(32)
144
145#define __ast_io_read(x) \
146static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \
147u##x val = 0;\
148val = ioread##x(ast->ioregs + reg); \
149return val;\
150}
151
152__ast_io_read(8);
153__ast_io_read(16);
154__ast_io_read(32);
155
156#define __ast_write(x) \
157static inline void ast_write##x(struct ast_private *ast, u32 reg, u##x val) {\
158 iowrite##x(val, ast->regs + reg);\
159 }
160
161__ast_write(8);
162__ast_write(16);
163__ast_write(32);
164
165#define __ast_io_write(x) \
166static inline void ast_io_write##x(struct ast_private *ast, u32 reg, u##x val) {\
167 iowrite##x(val, ast->ioregs + reg);\
168 }
169
170__ast_io_write(8);
171__ast_io_write(16);
172#undef __ast_io_write
173
174static inline void ast_set_index_reg(struct ast_private *ast,
175 uint32_t base, uint8_t index,
176 uint8_t val)
177{
178 ast_io_write16(ast, base, ((u16)val << 8) | index);
179}
180
181void ast_set_index_reg_mask(struct ast_private *ast,
182 uint32_t base, uint8_t index,
183 uint8_t mask, uint8_t val);
184uint8_t ast_get_index_reg(struct ast_private *ast,
185 uint32_t base, uint8_t index);
186uint8_t ast_get_index_reg_mask(struct ast_private *ast,
187 uint32_t base, uint8_t index, uint8_t mask);
188
189static inline void ast_open_key(struct ast_private *ast)
190{
191 ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x80, 0xA8);
192}
193
194#define AST_VIDMEM_SIZE_8M 0x00800000
195#define AST_VIDMEM_SIZE_16M 0x01000000
196#define AST_VIDMEM_SIZE_32M 0x02000000
197#define AST_VIDMEM_SIZE_64M 0x04000000
198#define AST_VIDMEM_SIZE_128M 0x08000000
199
200#define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
201
202#define AST_MAX_HWC_WIDTH 64
203#define AST_MAX_HWC_HEIGHT 64
204
205#define AST_HWC_SIZE (AST_MAX_HWC_WIDTH*AST_MAX_HWC_HEIGHT*2)
206#define AST_HWC_SIGNATURE_SIZE 32
207
208#define AST_DEFAULT_HWC_NUM 2
209/* define for signature structure */
210#define AST_HWC_SIGNATURE_CHECKSUM 0x00
211#define AST_HWC_SIGNATURE_SizeX 0x04
212#define AST_HWC_SIGNATURE_SizeY 0x08
213#define AST_HWC_SIGNATURE_X 0x0C
214#define AST_HWC_SIGNATURE_Y 0x10
215#define AST_HWC_SIGNATURE_HOTSPOTX 0x14
216#define AST_HWC_SIGNATURE_HOTSPOTY 0x18
217
218
219struct ast_i2c_chan {
220 struct i2c_adapter adapter;
221 struct drm_device *dev;
222 struct i2c_algo_bit_data bit;
223};
224
225struct ast_connector {
226 struct drm_connector base;
227 struct ast_i2c_chan *i2c;
228};
229
230struct ast_crtc {
231 struct drm_crtc base;
232 u8 offset_x, offset_y;
233};
234
235struct ast_encoder {
236 struct drm_encoder base;
237};
238
239#define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
240#define to_ast_connector(x) container_of(x, struct ast_connector, base)
241#define to_ast_encoder(x) container_of(x, struct ast_encoder, base)
242
243struct ast_vbios_stdtable {
244 u8 misc;
245 u8 seq[4];
246 u8 crtc[25];
247 u8 ar[20];
248 u8 gr[9];
249};
250
251struct ast_vbios_enhtable {
252 u32 ht;
253 u32 hde;
254 u32 hfp;
255 u32 hsync;
256 u32 vt;
257 u32 vde;
258 u32 vfp;
259 u32 vsync;
260 u32 dclk_index;
261 u32 flags;
262 u32 refresh_rate;
263 u32 refresh_rate_index;
264 u32 mode_id;
265};
266
267struct ast_vbios_dclk_info {
268 u8 param1;
269 u8 param2;
270 u8 param3;
271};
272
273struct ast_vbios_mode_info {
274 const struct ast_vbios_stdtable *std_table;
275 const struct ast_vbios_enhtable *enh_table;
276};
277
278extern int ast_mode_init(struct drm_device *dev);
279extern void ast_mode_fini(struct drm_device *dev);
280
281#define AST_MM_ALIGN_SHIFT 4
282#define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
283
284int ast_mm_init(struct ast_private *ast);
285void ast_mm_fini(struct ast_private *ast);
286
287int ast_gem_create(struct drm_device *dev,
288 u32 size, bool iskernel,
289 struct drm_gem_object **obj);
290
291/* ast post */
292void ast_enable_vga(struct drm_device *dev);
293void ast_enable_mmio(struct drm_device *dev);
294bool ast_is_vga_enabled(struct drm_device *dev);
295void ast_post_gpu(struct drm_device *dev);
296u32 ast_mindwm(struct ast_private *ast, u32 r);
297void ast_moutdwm(struct ast_private *ast, u32 r, u32 v);
298/* ast dp501 */
299void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
300bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
301bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
302u8 ast_get_dp501_max_clk(struct drm_device *dev);
303void ast_init_3rdtx(struct drm_device *dev);
304void ast_release_firmware(struct drm_device *dev);
305#endif