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/io.h> 32 #include <linux/types.h> 33 34 #include <drm/drm_connector.h> 35 #include <drm/drm_crtc.h> 36 #include <drm/drm_encoder.h> 37 #include <drm/drm_mode.h> 38 #include <drm/drm_framebuffer.h> 39 40 #include "ast_reg.h" 41 42 struct ast_vbios_enhtable; 43 44 #define DRIVER_AUTHOR "Dave Airlie" 45 46 #define DRIVER_NAME "ast" 47 #define DRIVER_DESC "AST" 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 56 #define __AST_CHIP(__gen, __index) ((__gen) << 16 | (__index)) 57 58 enum ast_chip { 59 /* 1st gen */ 60 AST1000 = __AST_CHIP(1, 0), // unused 61 AST2000 = __AST_CHIP(1, 1), 62 /* 2nd gen */ 63 AST1100 = __AST_CHIP(2, 0), 64 AST2100 = __AST_CHIP(2, 1), 65 AST2050 = __AST_CHIP(2, 2), // unused 66 /* 3rd gen */ 67 AST2200 = __AST_CHIP(3, 0), 68 AST2150 = __AST_CHIP(3, 1), 69 /* 4th gen */ 70 AST2300 = __AST_CHIP(4, 0), 71 AST1300 = __AST_CHIP(4, 1), 72 AST1050 = __AST_CHIP(4, 2), // unused 73 /* 5th gen */ 74 AST2400 = __AST_CHIP(5, 0), 75 AST1400 = __AST_CHIP(5, 1), 76 AST1250 = __AST_CHIP(5, 2), // unused 77 /* 6th gen */ 78 AST2500 = __AST_CHIP(6, 0), 79 AST2510 = __AST_CHIP(6, 1), 80 AST2520 = __AST_CHIP(6, 2), // unused 81 /* 7th gen */ 82 AST2600 = __AST_CHIP(7, 0), 83 AST2620 = __AST_CHIP(7, 1), // unused 84 }; 85 86 #define __AST_CHIP_GEN(__chip) (((unsigned long)(__chip)) >> 16) 87 88 enum ast_tx_chip { 89 AST_TX_NONE, 90 AST_TX_SIL164, 91 AST_TX_DP501, 92 AST_TX_ASTDP, 93 }; 94 95 enum ast_config_mode { 96 ast_use_p2a, 97 ast_use_dt, 98 ast_use_defaults 99 }; 100 101 #define AST_DRAM_512Mx16 0 102 #define AST_DRAM_1Gx16 1 103 #define AST_DRAM_512Mx32 2 104 #define AST_DRAM_1Gx32 3 105 #define AST_DRAM_2Gx16 6 106 #define AST_DRAM_4Gx16 7 107 #define AST_DRAM_8Gx16 8 108 109 /* 110 * Hardware cursor 111 */ 112 113 #define AST_MAX_HWC_WIDTH 64 114 #define AST_MAX_HWC_HEIGHT 64 115 #define AST_HWC_PITCH (AST_MAX_HWC_WIDTH * SZ_2) 116 #define AST_HWC_SIZE (AST_MAX_HWC_HEIGHT * AST_HWC_PITCH) 117 118 /* 119 * Planes 120 */ 121 122 struct ast_plane { 123 struct drm_plane base; 124 125 void __iomem *vaddr; 126 u64 offset; 127 unsigned long size; 128 }; 129 130 static inline struct ast_plane *to_ast_plane(struct drm_plane *plane) 131 { 132 return container_of(plane, struct ast_plane, base); 133 } 134 135 struct ast_cursor_plane { 136 struct ast_plane base; 137 138 u8 argb4444[AST_HWC_SIZE]; 139 }; 140 141 static inline struct ast_cursor_plane *to_ast_cursor_plane(struct drm_plane *plane) 142 { 143 return container_of(to_ast_plane(plane), struct ast_cursor_plane, base); 144 } 145 146 /* 147 * Connector 148 */ 149 150 struct ast_connector { 151 struct drm_connector base; 152 153 enum drm_connector_status physical_status; 154 }; 155 156 static inline struct ast_connector * 157 to_ast_connector(struct drm_connector *connector) 158 { 159 return container_of(connector, struct ast_connector, base); 160 } 161 162 /* 163 * Device 164 */ 165 166 struct ast_device { 167 struct drm_device base; 168 169 void __iomem *regs; 170 void __iomem *ioregs; 171 void __iomem *dp501_fw_buf; 172 173 enum ast_config_mode config_mode; 174 enum ast_chip chip; 175 176 uint32_t dram_bus_width; 177 uint32_t dram_type; 178 uint32_t mclk; 179 180 void __iomem *vram; 181 unsigned long vram_base; 182 unsigned long vram_size; 183 184 struct mutex modeset_lock; /* Protects access to modeset I/O registers in ioregs */ 185 186 enum ast_tx_chip tx_chip; 187 188 struct ast_plane primary_plane; 189 struct ast_cursor_plane cursor_plane; 190 struct drm_crtc crtc; 191 union { 192 struct { 193 struct drm_encoder encoder; 194 struct ast_connector connector; 195 } vga; 196 struct { 197 struct drm_encoder encoder; 198 struct ast_connector connector; 199 } sil164; 200 struct { 201 struct drm_encoder encoder; 202 struct ast_connector connector; 203 } dp501; 204 struct { 205 struct drm_encoder encoder; 206 struct ast_connector connector; 207 } astdp; 208 } output; 209 210 bool support_wsxga_p; /* 1680x1050 */ 211 bool support_fullhd; /* 1920x1080 */ 212 bool support_wuxga; /* 1920x1200 */ 213 214 u8 *dp501_fw_addr; 215 const struct firmware *dp501_fw; /* dp501 fw */ 216 }; 217 218 static inline struct ast_device *to_ast_device(struct drm_device *dev) 219 { 220 return container_of(dev, struct ast_device, base); 221 } 222 223 struct drm_device *ast_device_create(struct pci_dev *pdev, 224 const struct drm_driver *drv, 225 enum ast_chip chip, 226 enum ast_config_mode config_mode, 227 void __iomem *regs, 228 void __iomem *ioregs, 229 bool need_post); 230 231 static inline unsigned long __ast_gen(struct ast_device *ast) 232 { 233 return __AST_CHIP_GEN(ast->chip); 234 } 235 #define AST_GEN(__ast) __ast_gen(__ast) 236 237 static inline bool __ast_gen_is_eq(struct ast_device *ast, unsigned long gen) 238 { 239 return __ast_gen(ast) == gen; 240 } 241 #define IS_AST_GEN1(__ast) __ast_gen_is_eq(__ast, 1) 242 #define IS_AST_GEN2(__ast) __ast_gen_is_eq(__ast, 2) 243 #define IS_AST_GEN3(__ast) __ast_gen_is_eq(__ast, 3) 244 #define IS_AST_GEN4(__ast) __ast_gen_is_eq(__ast, 4) 245 #define IS_AST_GEN5(__ast) __ast_gen_is_eq(__ast, 5) 246 #define IS_AST_GEN6(__ast) __ast_gen_is_eq(__ast, 6) 247 #define IS_AST_GEN7(__ast) __ast_gen_is_eq(__ast, 7) 248 249 static inline u8 __ast_read8(const void __iomem *addr, u32 reg) 250 { 251 return ioread8(addr + reg); 252 } 253 254 static inline u32 __ast_read32(const void __iomem *addr, u32 reg) 255 { 256 return ioread32(addr + reg); 257 } 258 259 static inline void __ast_write8(void __iomem *addr, u32 reg, u8 val) 260 { 261 iowrite8(val, addr + reg); 262 } 263 264 static inline void __ast_write32(void __iomem *addr, u32 reg, u32 val) 265 { 266 iowrite32(val, addr + reg); 267 } 268 269 static inline u8 __ast_read8_i(void __iomem *addr, u32 reg, u8 index) 270 { 271 __ast_write8(addr, reg, index); 272 return __ast_read8(addr, reg + 1); 273 } 274 275 static inline u8 __ast_read8_i_masked(void __iomem *addr, u32 reg, u8 index, u8 read_mask) 276 { 277 u8 val = __ast_read8_i(addr, reg, index); 278 279 return val & read_mask; 280 } 281 282 static inline void __ast_write8_i(void __iomem *addr, u32 reg, u8 index, u8 val) 283 { 284 __ast_write8(addr, reg, index); 285 __ast_write8(addr, reg + 1, val); 286 } 287 288 static inline void __ast_write8_i_masked(void __iomem *addr, u32 reg, u8 index, u8 read_mask, 289 u8 val) 290 { 291 u8 tmp = __ast_read8_i_masked(addr, reg, index, read_mask); 292 293 tmp |= val; 294 __ast_write8_i(addr, reg, index, tmp); 295 } 296 297 static inline u32 ast_read32(struct ast_device *ast, u32 reg) 298 { 299 return __ast_read32(ast->regs, reg); 300 } 301 302 static inline void ast_write32(struct ast_device *ast, u32 reg, u32 val) 303 { 304 __ast_write32(ast->regs, reg, val); 305 } 306 307 static inline u8 ast_io_read8(struct ast_device *ast, u32 reg) 308 { 309 return __ast_read8(ast->ioregs, reg); 310 } 311 312 static inline void ast_io_write8(struct ast_device *ast, u32 reg, u8 val) 313 { 314 __ast_write8(ast->ioregs, reg, val); 315 } 316 317 static inline u8 ast_get_index_reg(struct ast_device *ast, u32 base, u8 index) 318 { 319 return __ast_read8_i(ast->ioregs, base, index); 320 } 321 322 static inline u8 ast_get_index_reg_mask(struct ast_device *ast, u32 base, u8 index, 323 u8 preserve_mask) 324 { 325 return __ast_read8_i_masked(ast->ioregs, base, index, preserve_mask); 326 } 327 328 static inline void ast_set_index_reg(struct ast_device *ast, u32 base, u8 index, u8 val) 329 { 330 __ast_write8_i(ast->ioregs, base, index, val); 331 } 332 333 static inline void ast_set_index_reg_mask(struct ast_device *ast, u32 base, u8 index, 334 u8 preserve_mask, u8 val) 335 { 336 __ast_write8_i_masked(ast->ioregs, base, index, preserve_mask, val); 337 } 338 339 struct ast_vbios_stdtable { 340 u8 misc; 341 u8 seq[4]; 342 u8 crtc[25]; 343 u8 ar[20]; 344 u8 gr[9]; 345 }; 346 347 struct ast_vbios_dclk_info { 348 u8 param1; 349 u8 param2; 350 u8 param3; 351 }; 352 353 struct ast_crtc_state { 354 struct drm_crtc_state base; 355 356 /* Last known format of primary plane */ 357 const struct drm_format_info *format; 358 359 const struct ast_vbios_stdtable *std_table; 360 const struct ast_vbios_enhtable *vmode; 361 }; 362 363 #define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base) 364 365 #define AST_MM_ALIGN_SHIFT 4 366 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1) 367 368 #define AST_DP501_FW_VERSION_MASK GENMASK(7, 4) 369 #define AST_DP501_FW_VERSION_1 BIT(4) 370 #define AST_DP501_PNP_CONNECTED BIT(1) 371 372 #define AST_DP501_DEFAULT_DCLK 65 373 374 #define AST_DP501_GBL_VERSION 0xf000 375 #define AST_DP501_PNPMONITOR 0xf010 376 #define AST_DP501_LINKRATE 0xf014 377 #define AST_DP501_EDID_DATA 0xf020 378 379 /* 380 * ASTDP resoultion table: 381 * EX: ASTDP_A_B_C: 382 * A: Resolution 383 * B: Refresh Rate 384 * C: Misc information, such as CVT, Reduce Blanked 385 */ 386 #define ASTDP_640x480_60 0x00 387 #define ASTDP_640x480_72 0x01 388 #define ASTDP_640x480_75 0x02 389 #define ASTDP_640x480_85 0x03 390 #define ASTDP_800x600_56 0x04 391 #define ASTDP_800x600_60 0x05 392 #define ASTDP_800x600_72 0x06 393 #define ASTDP_800x600_75 0x07 394 #define ASTDP_800x600_85 0x08 395 #define ASTDP_1024x768_60 0x09 396 #define ASTDP_1024x768_70 0x0A 397 #define ASTDP_1024x768_75 0x0B 398 #define ASTDP_1024x768_85 0x0C 399 #define ASTDP_1280x1024_60 0x0D 400 #define ASTDP_1280x1024_75 0x0E 401 #define ASTDP_1280x1024_85 0x0F 402 #define ASTDP_1600x1200_60 0x10 403 #define ASTDP_320x240_60 0x11 404 #define ASTDP_400x300_60 0x12 405 #define ASTDP_512x384_60 0x13 406 #define ASTDP_1920x1200_60 0x14 407 #define ASTDP_1920x1080_60 0x15 408 #define ASTDP_1280x800_60 0x16 409 #define ASTDP_1280x800_60_RB 0x17 410 #define ASTDP_1440x900_60 0x18 411 #define ASTDP_1440x900_60_RB 0x19 412 #define ASTDP_1680x1050_60 0x1A 413 #define ASTDP_1680x1050_60_RB 0x1B 414 #define ASTDP_1600x900_60 0x1C 415 #define ASTDP_1600x900_60_RB 0x1D 416 #define ASTDP_1366x768_60 0x1E 417 #define ASTDP_1152x864_75 0x1F 418 419 int ast_mm_init(struct ast_device *ast); 420 421 /* ast post */ 422 int ast_post_gpu(struct ast_device *ast); 423 u32 ast_mindwm(struct ast_device *ast, u32 r); 424 void ast_moutdwm(struct ast_device *ast, u32 r, u32 v); 425 void ast_patch_ahb_2500(void __iomem *regs); 426 427 int ast_vga_output_init(struct ast_device *ast); 428 int ast_sil164_output_init(struct ast_device *ast); 429 430 /* ast_cursor.c */ 431 long ast_cursor_vram_offset(struct ast_device *ast); 432 int ast_cursor_plane_init(struct ast_device *ast); 433 434 /* ast dp501 */ 435 bool ast_backup_fw(struct ast_device *ast, u8 *addr, u32 size); 436 void ast_init_3rdtx(struct ast_device *ast); 437 int ast_dp501_output_init(struct ast_device *ast); 438 439 /* aspeed DP */ 440 int ast_dp_launch(struct ast_device *ast); 441 int ast_astdp_output_init(struct ast_device *ast); 442 443 /* ast_mode.c */ 444 int ast_mode_config_init(struct ast_device *ast); 445 int ast_plane_init(struct drm_device *dev, struct ast_plane *ast_plane, 446 void __iomem *vaddr, u64 offset, unsigned long size, 447 uint32_t possible_crtcs, 448 const struct drm_plane_funcs *funcs, 449 const uint32_t *formats, unsigned int format_count, 450 const uint64_t *format_modifiers, 451 enum drm_plane_type type); 452 453 #endif 454