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 struct ttm_bo_kmap_obj cache_kmap
;
105 int ast_driver_load(struct drm_device
*dev
, unsigned long flags
);
106 int ast_driver_unload(struct drm_device
*dev
);
108 struct ast_gem_object
;
110 #define AST_IO_AR_PORT_WRITE (0x40)
111 #define AST_IO_MISC_PORT_WRITE (0x42)
112 #define AST_IO_SEQ_PORT (0x44)
113 #define AST_DAC_INDEX_READ (0x3c7)
114 #define AST_IO_DAC_INDEX_WRITE (0x48)
115 #define AST_IO_DAC_DATA (0x49)
116 #define AST_IO_GR_PORT (0x4E)
117 #define AST_IO_CRTC_PORT (0x54)
118 #define AST_IO_INPUT_STATUS1_READ (0x5A)
119 #define AST_IO_MISC_PORT_READ (0x4C)
121 #define __ast_read(x) \
122 static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
124 val = ioread##x(ast->regs + reg); \
132 #define __ast_io_read(x) \
133 static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \
135 val = ioread##x(ast->ioregs + reg); \
143 #define __ast_write(x) \
144 static inline void ast_write##x(struct ast_private *ast, u32 reg, u##x val) {\
145 iowrite##x(val, ast->regs + reg);\
152 #define __ast_io_write(x) \
153 static inline void ast_io_write##x(struct ast_private *ast, u32 reg, u##x val) {\
154 iowrite##x(val, ast->ioregs + reg);\
159 #undef __ast_io_write
161 static inline void ast_set_index_reg(struct ast_private
*ast
,
162 uint32_t base
, uint8_t index
,
165 ast_io_write16(ast
, base
, ((u16
)val
<< 8) | index
);
168 void ast_set_index_reg_mask(struct ast_private
*ast
,
169 uint32_t base
, uint8_t index
,
170 uint8_t mask
, uint8_t val
);
171 uint8_t ast_get_index_reg(struct ast_private
*ast
,
172 uint32_t base
, uint8_t index
);
173 uint8_t ast_get_index_reg_mask(struct ast_private
*ast
,
174 uint32_t base
, uint8_t index
, uint8_t mask
);
176 static inline void ast_open_key(struct ast_private
*ast
)
178 ast_set_index_reg_mask(ast
, AST_IO_CRTC_PORT
, 0xA1, 0xFF, 0x04);
181 #define AST_VIDMEM_SIZE_8M 0x00800000
182 #define AST_VIDMEM_SIZE_16M 0x01000000
183 #define AST_VIDMEM_SIZE_32M 0x02000000
184 #define AST_VIDMEM_SIZE_64M 0x04000000
185 #define AST_VIDMEM_SIZE_128M 0x08000000
187 #define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
189 #define AST_MAX_HWC_WIDTH 64
190 #define AST_MAX_HWC_HEIGHT 64
192 #define AST_HWC_SIZE (AST_MAX_HWC_WIDTH*AST_MAX_HWC_HEIGHT*2)
193 #define AST_HWC_SIGNATURE_SIZE 32
195 #define AST_DEFAULT_HWC_NUM 2
196 /* define for signature structure */
197 #define AST_HWC_SIGNATURE_CHECKSUM 0x00
198 #define AST_HWC_SIGNATURE_SizeX 0x04
199 #define AST_HWC_SIGNATURE_SizeY 0x08
200 #define AST_HWC_SIGNATURE_X 0x0C
201 #define AST_HWC_SIGNATURE_Y 0x10
202 #define AST_HWC_SIGNATURE_HOTSPOTX 0x14
203 #define AST_HWC_SIGNATURE_HOTSPOTY 0x18
206 struct ast_i2c_chan
{
207 struct i2c_adapter adapter
;
208 struct drm_device
*dev
;
209 struct i2c_algo_bit_data bit
;
212 struct ast_connector
{
213 struct drm_connector base
;
214 struct ast_i2c_chan
*i2c
;
218 struct drm_crtc base
;
219 u8 lut_r
[256], lut_g
[256], lut_b
[256];
220 struct drm_gem_object
*cursor_bo
;
221 uint64_t cursor_addr
;
222 int cursor_width
, cursor_height
;
223 u8 offset_x
, offset_y
;
227 struct drm_encoder base
;
230 struct ast_framebuffer
{
231 struct drm_framebuffer base
;
232 struct drm_gem_object
*obj
;
236 struct drm_fb_helper helper
;
237 struct ast_framebuffer afb
;
238 struct list_head fbdev_list
;
241 struct ttm_bo_kmap_obj mapping
;
244 #define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
245 #define to_ast_connector(x) container_of(x, struct ast_connector, base)
246 #define to_ast_encoder(x) container_of(x, struct ast_encoder, base)
247 #define to_ast_framebuffer(x) container_of(x, struct ast_framebuffer, base)
249 struct ast_vbios_stdtable
{
257 struct ast_vbios_enhtable
{
269 u32 refresh_rate_index
;
273 struct ast_vbios_dclk_info
{
279 struct ast_vbios_mode_info
{
280 struct ast_vbios_stdtable
*std_table
;
281 struct ast_vbios_enhtable
*enh_table
;
284 extern int ast_mode_init(struct drm_device
*dev
);
285 extern void ast_mode_fini(struct drm_device
*dev
);
287 int ast_framebuffer_init(struct drm_device
*dev
,
288 struct ast_framebuffer
*ast_fb
,
289 struct drm_mode_fb_cmd2
*mode_cmd
,
290 struct drm_gem_object
*obj
);
292 int ast_fbdev_init(struct drm_device
*dev
);
293 void ast_fbdev_fini(struct drm_device
*dev
);
294 void ast_fbdev_set_suspend(struct drm_device
*dev
, int state
);
297 struct ttm_buffer_object bo
;
298 struct ttm_placement placement
;
299 struct ttm_bo_kmap_obj kmap
;
300 struct drm_gem_object gem
;
304 #define gem_to_ast_bo(gobj) container_of((gobj), struct ast_bo, gem)
306 static inline struct ast_bo
*
307 ast_bo(struct ttm_buffer_object
*bo
)
309 return container_of(bo
, struct ast_bo
, bo
);
313 #define to_ast_obj(x) container_of(x, struct ast_gem_object, base)
315 #define AST_MM_ALIGN_SHIFT 4
316 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
318 extern int ast_dumb_create(struct drm_file
*file
,
319 struct drm_device
*dev
,
320 struct drm_mode_create_dumb
*args
);
321 extern int ast_dumb_destroy(struct drm_file
*file
,
322 struct drm_device
*dev
,
325 extern int ast_gem_init_object(struct drm_gem_object
*obj
);
326 extern void ast_gem_free_object(struct drm_gem_object
*obj
);
327 extern int ast_dumb_mmap_offset(struct drm_file
*file
,
328 struct drm_device
*dev
,
332 #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
334 int ast_mm_init(struct ast_private
*ast
);
335 void ast_mm_fini(struct ast_private
*ast
);
337 int ast_bo_create(struct drm_device
*dev
, int size
, int align
,
338 uint32_t flags
, struct ast_bo
**pastbo
);
340 int ast_gem_create(struct drm_device
*dev
,
341 u32 size
, bool iskernel
,
342 struct drm_gem_object
**obj
);
344 int ast_bo_pin(struct ast_bo
*bo
, u32 pl_flag
, u64
*gpu_addr
);
345 int ast_bo_unpin(struct ast_bo
*bo
);
347 int ast_bo_reserve(struct ast_bo
*bo
, bool no_wait
);
348 void ast_bo_unreserve(struct ast_bo
*bo
);
349 void ast_ttm_placement(struct ast_bo
*bo
, int domain
);
350 int ast_bo_push_sysram(struct ast_bo
*bo
);
351 int ast_mmap(struct file
*filp
, struct vm_area_struct
*vma
);
354 void ast_post_gpu(struct drm_device
*dev
);