Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 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_fb_helper.h" |
| 32 | |
| 33 | #include "ttm/ttm_bo_api.h" |
| 34 | #include "ttm/ttm_bo_driver.h" |
| 35 | #include "ttm/ttm_placement.h" |
| 36 | #include "ttm/ttm_memory.h" |
| 37 | #include "ttm/ttm_module.h" |
| 38 | |
| 39 | #include <linux/i2c.h> |
| 40 | #include <linux/i2c-algo-bit.h> |
| 41 | |
| 42 | #define DRIVER_AUTHOR "Dave Airlie" |
| 43 | |
| 44 | #define DRIVER_NAME "ast" |
| 45 | #define DRIVER_DESC "AST" |
| 46 | #define DRIVER_DATE "20120228" |
| 47 | |
| 48 | #define DRIVER_MAJOR 0 |
| 49 | #define DRIVER_MINOR 1 |
| 50 | #define DRIVER_PATCHLEVEL 0 |
| 51 | |
| 52 | #define PCI_CHIP_AST2000 0x2000 |
| 53 | #define PCI_CHIP_AST2100 0x2010 |
| 54 | #define PCI_CHIP_AST1180 0x1180 |
| 55 | |
| 56 | |
| 57 | enum ast_chip { |
| 58 | AST2000, |
| 59 | AST2100, |
| 60 | AST1100, |
| 61 | AST2200, |
| 62 | AST2150, |
| 63 | AST2300, |
| 64 | AST1180, |
| 65 | }; |
| 66 | |
| 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 |
| 73 | |
| 74 | struct ast_fbdev; |
| 75 | |
| 76 | struct ast_private { |
| 77 | struct drm_device *dev; |
| 78 | |
| 79 | void __iomem *regs; |
| 80 | void __iomem *ioregs; |
| 81 | |
| 82 | enum ast_chip chip; |
| 83 | bool vga2_clone; |
| 84 | uint32_t dram_bus_width; |
| 85 | uint32_t dram_type; |
| 86 | uint32_t mclk; |
| 87 | uint32_t vram_size; |
| 88 | |
| 89 | struct ast_fbdev *fbdev; |
| 90 | |
| 91 | int fb_mtrr; |
| 92 | |
| 93 | struct { |
| 94 | struct drm_global_reference mem_global_ref; |
| 95 | struct ttm_bo_global_ref bo_global_ref; |
| 96 | struct ttm_bo_device bdev; |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 97 | } ttm; |
| 98 | |
| 99 | struct drm_gem_object *cursor_cache; |
| 100 | uint64_t cursor_cache_gpu_addr; |
| 101 | struct ttm_bo_kmap_obj cache_kmap; |
| 102 | int next_cursor; |
| 103 | }; |
| 104 | |
| 105 | int ast_driver_load(struct drm_device *dev, unsigned long flags); |
| 106 | int ast_driver_unload(struct drm_device *dev); |
| 107 | |
| 108 | struct ast_gem_object; |
| 109 | |
| 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) |
| 120 | |
| 121 | #define __ast_read(x) \ |
| 122 | static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \ |
| 123 | u##x val = 0;\ |
| 124 | val = ioread##x(ast->regs + reg); \ |
| 125 | return val;\ |
| 126 | } |
| 127 | |
| 128 | __ast_read(8); |
| 129 | __ast_read(16); |
| 130 | __ast_read(32) |
| 131 | |
| 132 | #define __ast_io_read(x) \ |
| 133 | static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \ |
| 134 | u##x val = 0;\ |
| 135 | val = ioread##x(ast->ioregs + reg); \ |
| 136 | return val;\ |
| 137 | } |
| 138 | |
| 139 | __ast_io_read(8); |
| 140 | __ast_io_read(16); |
| 141 | __ast_io_read(32); |
| 142 | |
| 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);\ |
| 146 | } |
| 147 | |
| 148 | __ast_write(8); |
| 149 | __ast_write(16); |
| 150 | __ast_write(32); |
| 151 | |
| 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);\ |
| 155 | } |
| 156 | |
| 157 | __ast_io_write(8); |
| 158 | __ast_io_write(16); |
| 159 | #undef __ast_io_write |
| 160 | |
| 161 | static inline void ast_set_index_reg(struct ast_private *ast, |
| 162 | uint32_t base, uint8_t index, |
| 163 | uint8_t val) |
| 164 | { |
| 165 | ast_io_write16(ast, base, ((u16)val << 8) | index); |
| 166 | } |
| 167 | |
| 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); |
| 175 | |
| 176 | static inline void ast_open_key(struct ast_private *ast) |
| 177 | { |
| 178 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xA1, 0xFF, 0x04); |
| 179 | } |
| 180 | |
| 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 |
| 186 | |
| 187 | #define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M |
| 188 | |
| 189 | #define AST_MAX_HWC_WIDTH 64 |
| 190 | #define AST_MAX_HWC_HEIGHT 64 |
| 191 | |
| 192 | #define AST_HWC_SIZE (AST_MAX_HWC_WIDTH*AST_MAX_HWC_HEIGHT*2) |
| 193 | #define AST_HWC_SIGNATURE_SIZE 32 |
| 194 | |
| 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 |
| 204 | |
| 205 | |
| 206 | struct ast_i2c_chan { |
| 207 | struct i2c_adapter adapter; |
| 208 | struct drm_device *dev; |
| 209 | struct i2c_algo_bit_data bit; |
| 210 | }; |
| 211 | |
| 212 | struct ast_connector { |
| 213 | struct drm_connector base; |
| 214 | struct ast_i2c_chan *i2c; |
| 215 | }; |
| 216 | |
| 217 | struct ast_crtc { |
| 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; |
| 224 | }; |
| 225 | |
| 226 | struct ast_encoder { |
| 227 | struct drm_encoder base; |
| 228 | }; |
| 229 | |
| 230 | struct ast_framebuffer { |
| 231 | struct drm_framebuffer base; |
| 232 | struct drm_gem_object *obj; |
| 233 | }; |
| 234 | |
| 235 | struct ast_fbdev { |
| 236 | struct drm_fb_helper helper; |
| 237 | struct ast_framebuffer afb; |
| 238 | struct list_head fbdev_list; |
| 239 | void *sysram; |
| 240 | int size; |
| 241 | struct ttm_bo_kmap_obj mapping; |
| 242 | }; |
| 243 | |
| 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) |
| 248 | |
| 249 | struct ast_vbios_stdtable { |
| 250 | u8 misc; |
| 251 | u8 seq[4]; |
| 252 | u8 crtc[25]; |
| 253 | u8 ar[20]; |
| 254 | u8 gr[9]; |
| 255 | }; |
| 256 | |
| 257 | struct ast_vbios_enhtable { |
| 258 | u32 ht; |
| 259 | u32 hde; |
| 260 | u32 hfp; |
| 261 | u32 hsync; |
| 262 | u32 vt; |
| 263 | u32 vde; |
| 264 | u32 vfp; |
| 265 | u32 vsync; |
| 266 | u32 dclk_index; |
| 267 | u32 flags; |
| 268 | u32 refresh_rate; |
| 269 | u32 refresh_rate_index; |
| 270 | u32 mode_id; |
| 271 | }; |
| 272 | |
| 273 | struct ast_vbios_dclk_info { |
| 274 | u8 param1; |
| 275 | u8 param2; |
| 276 | u8 param3; |
| 277 | }; |
| 278 | |
| 279 | struct ast_vbios_mode_info { |
| 280 | struct ast_vbios_stdtable *std_table; |
| 281 | struct ast_vbios_enhtable *enh_table; |
| 282 | }; |
| 283 | |
| 284 | extern int ast_mode_init(struct drm_device *dev); |
| 285 | extern void ast_mode_fini(struct drm_device *dev); |
| 286 | |
| 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); |
| 291 | |
| 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); |
| 295 | |
| 296 | struct ast_bo { |
| 297 | struct ttm_buffer_object bo; |
| 298 | struct ttm_placement placement; |
| 299 | struct ttm_bo_kmap_obj kmap; |
| 300 | struct drm_gem_object gem; |
| 301 | u32 placements[3]; |
| 302 | int pin_count; |
| 303 | }; |
| 304 | #define gem_to_ast_bo(gobj) container_of((gobj), struct ast_bo, gem) |
| 305 | |
| 306 | static inline struct ast_bo * |
| 307 | ast_bo(struct ttm_buffer_object *bo) |
| 308 | { |
| 309 | return container_of(bo, struct ast_bo, bo); |
| 310 | } |
| 311 | |
| 312 | |
| 313 | #define to_ast_obj(x) container_of(x, struct ast_gem_object, base) |
| 314 | |
| 315 | #define AST_MM_ALIGN_SHIFT 4 |
| 316 | #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1) |
| 317 | |
| 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, |
| 323 | uint32_t handle); |
| 324 | |
| 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, |
| 329 | uint32_t handle, |
| 330 | uint64_t *offset); |
| 331 | |
| 332 | #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT) |
| 333 | |
| 334 | int ast_mm_init(struct ast_private *ast); |
| 335 | void ast_mm_fini(struct ast_private *ast); |
| 336 | |
| 337 | int ast_bo_create(struct drm_device *dev, int size, int align, |
| 338 | uint32_t flags, struct ast_bo **pastbo); |
| 339 | |
| 340 | int ast_gem_create(struct drm_device *dev, |
| 341 | u32 size, bool iskernel, |
| 342 | struct drm_gem_object **obj); |
| 343 | |
| 344 | int ast_bo_pin(struct ast_bo *bo, u32 pl_flag, u64 *gpu_addr); |
| 345 | int ast_bo_unpin(struct ast_bo *bo); |
| 346 | |
| 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); |
| 352 | |
| 353 | /* ast post */ |
| 354 | void ast_post_gpu(struct drm_device *dev); |
| 355 | #endif |