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
31 #include <drm/drm_encoder.h>
32 #include <drm/drm_fb_helper.h>
34 #include <drm/ttm/ttm_bo_api.h>
35 #include <drm/ttm/ttm_bo_driver.h>
36 #include <drm/ttm/ttm_placement.h>
37 #include <drm/ttm/ttm_memory.h>
38 #include <drm/ttm/ttm_module.h>
40 #include <drm/drm_gem.h>
42 #include <linux/i2c.h>
43 #include <linux/i2c-algo-bit.h>
45 #define DRIVER_AUTHOR "Dave Airlie"
47 #define DRIVER_NAME "ast"
48 #define DRIVER_DESC "AST"
49 #define DRIVER_DATE "20120228"
51 #define DRIVER_MAJOR 0
52 #define DRIVER_MINOR 1
53 #define DRIVER_PATCHLEVEL 0
55 #define PCI_CHIP_AST2000 0x2000
56 #define PCI_CHIP_AST2100 0x2010
57 #define PCI_CHIP_AST1180 0x1180
79 #define AST_DRAM_512Mx16 0
80 #define AST_DRAM_1Gx16 1
81 #define AST_DRAM_512Mx32 2
82 #define AST_DRAM_1Gx32 3
83 #define AST_DRAM_2Gx16 6
84 #define AST_DRAM_4Gx16 7
85 #define AST_DRAM_8Gx16 8
90 struct drm_device *dev;
97 uint32_t dram_bus_width;
102 struct ast_fbdev *fbdev;
107 struct ttm_bo_device bdev;
110 struct drm_gem_object *cursor_cache;
111 uint64_t cursor_cache_gpu_addr;
112 /* Acces to this cache is protected by the crtc->mutex of the only crtc
114 struct ttm_bo_kmap_obj cache_kmap;
116 bool support_wide_screen;
123 enum ast_tx_chip tx_chip_type;
126 const struct firmware *dp501_fw; /* dp501 fw */
129 int ast_driver_load(struct drm_device *dev, unsigned long flags);
130 void ast_driver_unload(struct drm_device *dev);
132 struct ast_gem_object;
134 #define AST_IO_AR_PORT_WRITE (0x40)
135 #define AST_IO_MISC_PORT_WRITE (0x42)
136 #define AST_IO_VGA_ENABLE_PORT (0x43)
137 #define AST_IO_SEQ_PORT (0x44)
138 #define AST_IO_DAC_INDEX_READ (0x47)
139 #define AST_IO_DAC_INDEX_WRITE (0x48)
140 #define AST_IO_DAC_DATA (0x49)
141 #define AST_IO_GR_PORT (0x4E)
142 #define AST_IO_CRTC_PORT (0x54)
143 #define AST_IO_INPUT_STATUS1_READ (0x5A)
144 #define AST_IO_MISC_PORT_READ (0x4C)
146 #define AST_IO_MM_OFFSET (0x380)
148 #define __ast_read(x) \
149 static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
151 val = ioread##x(ast->regs + reg); \
159 #define __ast_io_read(x) \
160 static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \
162 val = ioread##x(ast->ioregs + reg); \
170 #define __ast_write(x) \
171 static inline void ast_write##x(struct ast_private *ast, u32 reg, u##x val) {\
172 iowrite##x(val, ast->regs + reg);\
179 #define __ast_io_write(x) \
180 static inline void ast_io_write##x(struct ast_private *ast, u32 reg, u##x val) {\
181 iowrite##x(val, ast->ioregs + reg);\
186 #undef __ast_io_write
188 static inline void ast_set_index_reg(struct ast_private *ast,
189 uint32_t base, uint8_t index,
192 ast_io_write16(ast, base, ((u16)val << 8) | index);
195 void ast_set_index_reg_mask(struct ast_private *ast,
196 uint32_t base, uint8_t index,
197 uint8_t mask, uint8_t val);
198 uint8_t ast_get_index_reg(struct ast_private *ast,
199 uint32_t base, uint8_t index);
200 uint8_t ast_get_index_reg_mask(struct ast_private *ast,
201 uint32_t base, uint8_t index, uint8_t mask);
203 static inline void ast_open_key(struct ast_private *ast)
205 ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x80, 0xA8);
208 #define AST_VIDMEM_SIZE_8M 0x00800000
209 #define AST_VIDMEM_SIZE_16M 0x01000000
210 #define AST_VIDMEM_SIZE_32M 0x02000000
211 #define AST_VIDMEM_SIZE_64M 0x04000000
212 #define AST_VIDMEM_SIZE_128M 0x08000000
214 #define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
216 #define AST_MAX_HWC_WIDTH 64
217 #define AST_MAX_HWC_HEIGHT 64
219 #define AST_HWC_SIZE (AST_MAX_HWC_WIDTH*AST_MAX_HWC_HEIGHT*2)
220 #define AST_HWC_SIGNATURE_SIZE 32
222 #define AST_DEFAULT_HWC_NUM 2
223 /* define for signature structure */
224 #define AST_HWC_SIGNATURE_CHECKSUM 0x00
225 #define AST_HWC_SIGNATURE_SizeX 0x04
226 #define AST_HWC_SIGNATURE_SizeY 0x08
227 #define AST_HWC_SIGNATURE_X 0x0C
228 #define AST_HWC_SIGNATURE_Y 0x10
229 #define AST_HWC_SIGNATURE_HOTSPOTX 0x14
230 #define AST_HWC_SIGNATURE_HOTSPOTY 0x18
233 struct ast_i2c_chan {
234 struct i2c_adapter adapter;
235 struct drm_device *dev;
236 struct i2c_algo_bit_data bit;
239 struct ast_connector {
240 struct drm_connector base;
241 struct ast_i2c_chan *i2c;
245 struct drm_crtc base;
246 struct drm_gem_object *cursor_bo;
247 uint64_t cursor_addr;
248 int cursor_width, cursor_height;
249 u8 offset_x, offset_y;
253 struct drm_encoder base;
256 struct ast_framebuffer {
257 struct drm_framebuffer base;
258 struct drm_gem_object *obj;
262 struct drm_fb_helper helper;
263 struct ast_framebuffer afb;
266 struct ttm_bo_kmap_obj mapping;
267 int x1, y1, x2, y2; /* dirty rect */
268 spinlock_t dirty_lock;
271 #define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
272 #define to_ast_connector(x) container_of(x, struct ast_connector, base)
273 #define to_ast_encoder(x) container_of(x, struct ast_encoder, base)
274 #define to_ast_framebuffer(x) container_of(x, struct ast_framebuffer, base)
276 struct ast_vbios_stdtable {
284 struct ast_vbios_enhtable {
296 u32 refresh_rate_index;
300 struct ast_vbios_dclk_info {
306 struct ast_vbios_mode_info {
307 const struct ast_vbios_stdtable *std_table;
308 const struct ast_vbios_enhtable *enh_table;
311 extern int ast_mode_init(struct drm_device *dev);
312 extern void ast_mode_fini(struct drm_device *dev);
314 int ast_framebuffer_init(struct drm_device *dev,
315 struct ast_framebuffer *ast_fb,
316 const struct drm_mode_fb_cmd2 *mode_cmd,
317 struct drm_gem_object *obj);
319 int ast_fbdev_init(struct drm_device *dev);
320 void ast_fbdev_fini(struct drm_device *dev);
321 void ast_fbdev_set_suspend(struct drm_device *dev, int state);
322 void ast_fbdev_set_base(struct ast_private *ast, unsigned long gpu_addr);
325 struct ttm_buffer_object bo;
326 struct ttm_placement placement;
327 struct ttm_bo_kmap_obj kmap;
328 struct drm_gem_object gem;
329 struct ttm_place placements[3];
332 #define gem_to_ast_bo(gobj) container_of((gobj), struct ast_bo, gem)
334 static inline struct ast_bo *
335 ast_bo(struct ttm_buffer_object *bo)
337 return container_of(bo, struct ast_bo, bo);
341 #define to_ast_obj(x) container_of(x, struct ast_gem_object, base)
343 #define AST_MM_ALIGN_SHIFT 4
344 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
346 extern int ast_dumb_create(struct drm_file *file,
347 struct drm_device *dev,
348 struct drm_mode_create_dumb *args);
350 extern void ast_gem_free_object(struct drm_gem_object *obj);
351 extern int ast_dumb_mmap_offset(struct drm_file *file,
352 struct drm_device *dev,
356 #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
358 int ast_mm_init(struct ast_private *ast);
359 void ast_mm_fini(struct ast_private *ast);
361 int ast_bo_create(struct drm_device *dev, int size, int align,
362 uint32_t flags, struct ast_bo **pastbo);
364 int ast_gem_create(struct drm_device *dev,
365 u32 size, bool iskernel,
366 struct drm_gem_object **obj);
368 int ast_bo_pin(struct ast_bo *bo, u32 pl_flag, u64 *gpu_addr);
369 int ast_bo_unpin(struct ast_bo *bo);
371 static inline int ast_bo_reserve(struct ast_bo *bo, bool no_wait)
375 ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL);
377 if (ret != -ERESTARTSYS && ret != -EBUSY)
378 DRM_ERROR("reserve failed %p\n", bo);
384 static inline void ast_bo_unreserve(struct ast_bo *bo)
386 ttm_bo_unreserve(&bo->bo);
389 void ast_ttm_placement(struct ast_bo *bo, int domain);
390 int ast_bo_push_sysram(struct ast_bo *bo);
391 int ast_mmap(struct file *filp, struct vm_area_struct *vma);
394 void ast_enable_vga(struct drm_device *dev);
395 void ast_enable_mmio(struct drm_device *dev);
396 bool ast_is_vga_enabled(struct drm_device *dev);
397 void ast_post_gpu(struct drm_device *dev);
398 u32 ast_mindwm(struct ast_private *ast, u32 r);
399 void ast_moutdwm(struct ast_private *ast, u32 r, u32 v);
401 void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
402 bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
403 bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
404 u8 ast_get_dp501_max_clk(struct drm_device *dev);
405 void ast_init_3rdtx(struct drm_device *dev);
406 void ast_release_firmware(struct drm_device *dev);