2 * Copyright 2012 Red Hat Inc.
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:
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.
20 * The above copyright notice and this permission notice (including the
21 * next paragraph) shall be included in all copies or substantial portions
26 * Authors: Dave Airlie <airlied@redhat.com>
31 #include <drm/drm_fb_helper.h>
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>
39 #include <linux/i2c.h>
40 #include <linux/i2c-algo-bit.h>
42 #define DRIVER_AUTHOR "Dave Airlie"
44 #define DRIVER_NAME "ast"
45 #define DRIVER_DESC "AST"
46 #define DRIVER_DATE "20120228"
48 #define DRIVER_MAJOR 0
49 #define DRIVER_MINOR 1
50 #define DRIVER_PATCHLEVEL 0
52 #define PCI_CHIP_AST2000 0x2000
53 #define PCI_CHIP_AST2100 0x2010
54 #define PCI_CHIP_AST1180 0x1180
67 #define AST_DRAM_512Mx16 0
68 #define AST_DRAM_1Gx16 1
69 #define AST_DRAM_512Mx32 2
70 #define AST_DRAM_1Gx32 3
71 #define AST_DRAM_2Gx16 6
72 #define AST_DRAM_4Gx16 7
77 struct drm_device *dev;
84 uint32_t dram_bus_width;
89 struct ast_fbdev *fbdev;
94 struct drm_global_reference mem_global_ref;
95 struct ttm_bo_global_ref bo_global_ref;
96 struct ttm_bo_device bdev;
99 struct drm_gem_object *cursor_cache;
100 uint64_t cursor_cache_gpu_addr;
101 /* Acces to this cache is protected by the crtc->mutex of the only crtc
103 struct ttm_bo_kmap_obj cache_kmap;
107 int ast_driver_load(struct drm_device *dev, unsigned long flags);
108 int ast_driver_unload(struct drm_device *dev);
110 struct ast_gem_object;
112 #define AST_IO_AR_PORT_WRITE (0x40)
113 #define AST_IO_MISC_PORT_WRITE (0x42)
114 #define AST_IO_SEQ_PORT (0x44)
115 #define AST_DAC_INDEX_READ (0x3c7)
116 #define AST_IO_DAC_INDEX_WRITE (0x48)
117 #define AST_IO_DAC_DATA (0x49)
118 #define AST_IO_GR_PORT (0x4E)
119 #define AST_IO_CRTC_PORT (0x54)
120 #define AST_IO_INPUT_STATUS1_READ (0x5A)
121 #define AST_IO_MISC_PORT_READ (0x4C)
123 #define __ast_read(x) \
124 static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
126 val = ioread##x(ast->regs + reg); \
134 #define __ast_io_read(x) \
135 static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \
137 val = ioread##x(ast->ioregs + reg); \
145 #define __ast_write(x) \
146 static inline void ast_write##x(struct ast_private *ast, u32 reg, u##x val) {\
147 iowrite##x(val, ast->regs + reg);\
154 #define __ast_io_write(x) \
155 static inline void ast_io_write##x(struct ast_private *ast, u32 reg, u##x val) {\
156 iowrite##x(val, ast->ioregs + reg);\
161 #undef __ast_io_write
163 static inline void ast_set_index_reg(struct ast_private *ast,
164 uint32_t base, uint8_t index,
167 ast_io_write16(ast, base, ((u16)val << 8) | index);
170 void ast_set_index_reg_mask(struct ast_private *ast,
171 uint32_t base, uint8_t index,
172 uint8_t mask, uint8_t val);
173 uint8_t ast_get_index_reg(struct ast_private *ast,
174 uint32_t base, uint8_t index);
175 uint8_t ast_get_index_reg_mask(struct ast_private *ast,
176 uint32_t base, uint8_t index, uint8_t mask);
178 static inline void ast_open_key(struct ast_private *ast)
180 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xA1, 0xFF, 0x04);
183 #define AST_VIDMEM_SIZE_8M 0x00800000
184 #define AST_VIDMEM_SIZE_16M 0x01000000
185 #define AST_VIDMEM_SIZE_32M 0x02000000
186 #define AST_VIDMEM_SIZE_64M 0x04000000
187 #define AST_VIDMEM_SIZE_128M 0x08000000
189 #define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
191 #define AST_MAX_HWC_WIDTH 64
192 #define AST_MAX_HWC_HEIGHT 64
194 #define AST_HWC_SIZE (AST_MAX_HWC_WIDTH*AST_MAX_HWC_HEIGHT*2)
195 #define AST_HWC_SIGNATURE_SIZE 32
197 #define AST_DEFAULT_HWC_NUM 2
198 /* define for signature structure */
199 #define AST_HWC_SIGNATURE_CHECKSUM 0x00
200 #define AST_HWC_SIGNATURE_SizeX 0x04
201 #define AST_HWC_SIGNATURE_SizeY 0x08
202 #define AST_HWC_SIGNATURE_X 0x0C
203 #define AST_HWC_SIGNATURE_Y 0x10
204 #define AST_HWC_SIGNATURE_HOTSPOTX 0x14
205 #define AST_HWC_SIGNATURE_HOTSPOTY 0x18
208 struct ast_i2c_chan {
209 struct i2c_adapter adapter;
210 struct drm_device *dev;
211 struct i2c_algo_bit_data bit;
214 struct ast_connector {
215 struct drm_connector base;
216 struct ast_i2c_chan *i2c;
220 struct drm_crtc base;
221 u8 lut_r[256], lut_g[256], lut_b[256];
222 struct drm_gem_object *cursor_bo;
223 uint64_t cursor_addr;
224 int cursor_width, cursor_height;
225 u8 offset_x, offset_y;
229 struct drm_encoder base;
232 struct ast_framebuffer {
233 struct drm_framebuffer base;
234 struct drm_gem_object *obj;
238 struct drm_fb_helper helper;
239 struct ast_framebuffer afb;
240 struct list_head fbdev_list;
243 struct ttm_bo_kmap_obj mapping;
246 #define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
247 #define to_ast_connector(x) container_of(x, struct ast_connector, base)
248 #define to_ast_encoder(x) container_of(x, struct ast_encoder, base)
249 #define to_ast_framebuffer(x) container_of(x, struct ast_framebuffer, base)
251 struct ast_vbios_stdtable {
259 struct ast_vbios_enhtable {
271 u32 refresh_rate_index;
275 struct ast_vbios_dclk_info {
281 struct ast_vbios_mode_info {
282 struct ast_vbios_stdtable *std_table;
283 struct ast_vbios_enhtable *enh_table;
286 extern int ast_mode_init(struct drm_device *dev);
287 extern void ast_mode_fini(struct drm_device *dev);
289 int ast_framebuffer_init(struct drm_device *dev,
290 struct ast_framebuffer *ast_fb,
291 struct drm_mode_fb_cmd2 *mode_cmd,
292 struct drm_gem_object *obj);
294 int ast_fbdev_init(struct drm_device *dev);
295 void ast_fbdev_fini(struct drm_device *dev);
296 void ast_fbdev_set_suspend(struct drm_device *dev, int state);
299 struct ttm_buffer_object bo;
300 struct ttm_placement placement;
301 struct ttm_bo_kmap_obj kmap;
302 struct drm_gem_object gem;
306 #define gem_to_ast_bo(gobj) container_of((gobj), struct ast_bo, gem)
308 static inline struct ast_bo *
309 ast_bo(struct ttm_buffer_object *bo)
311 return container_of(bo, struct ast_bo, bo);
315 #define to_ast_obj(x) container_of(x, struct ast_gem_object, base)
317 #define AST_MM_ALIGN_SHIFT 4
318 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
320 extern int ast_dumb_create(struct drm_file *file,
321 struct drm_device *dev,
322 struct drm_mode_create_dumb *args);
323 extern int ast_dumb_destroy(struct drm_file *file,
324 struct drm_device *dev,
327 extern int ast_gem_init_object(struct drm_gem_object *obj);
328 extern void ast_gem_free_object(struct drm_gem_object *obj);
329 extern int ast_dumb_mmap_offset(struct drm_file *file,
330 struct drm_device *dev,
334 #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
336 int ast_mm_init(struct ast_private *ast);
337 void ast_mm_fini(struct ast_private *ast);
339 int ast_bo_create(struct drm_device *dev, int size, int align,
340 uint32_t flags, struct ast_bo **pastbo);
342 int ast_gem_create(struct drm_device *dev,
343 u32 size, bool iskernel,
344 struct drm_gem_object **obj);
346 int ast_bo_pin(struct ast_bo *bo, u32 pl_flag, u64 *gpu_addr);
347 int ast_bo_unpin(struct ast_bo *bo);
349 int ast_bo_reserve(struct ast_bo *bo, bool no_wait);
350 void ast_bo_unreserve(struct ast_bo *bo);
351 void ast_ttm_placement(struct ast_bo *bo, int domain);
352 int ast_bo_push_sysram(struct ast_bo *bo);
353 int ast_mmap(struct file *filp, struct vm_area_struct *vma);
356 void ast_post_gpu(struct drm_device *dev);