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 #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 55 #define __AST_CHIP(__gen, __index) ((__gen) << 16 | (__index)) 56 57 enum ast_chip { 58 /* 1st gen */ 59 AST1000 = __AST_CHIP(1, 0), // unused 60 AST2000 = __AST_CHIP(1, 1), 61 /* 2nd gen */ 62 AST1100 = __AST_CHIP(2, 0), 63 AST2100 = __AST_CHIP(2, 1), 64 AST2050 = __AST_CHIP(2, 2), // unused 65 /* 3rd gen */ 66 AST2200 = __AST_CHIP(3, 0), 67 AST2150 = __AST_CHIP(3, 1), 68 /* 4th gen */ 69 AST2300 = __AST_CHIP(4, 0), 70 AST1300 = __AST_CHIP(4, 1), 71 AST1050 = __AST_CHIP(4, 2), // unused 72 /* 5th gen */ 73 AST2400 = __AST_CHIP(5, 0), 74 AST1400 = __AST_CHIP(5, 1), 75 AST1250 = __AST_CHIP(5, 2), // unused 76 /* 6th gen */ 77 AST2500 = __AST_CHIP(6, 0), 78 AST2510 = __AST_CHIP(6, 1), 79 AST2520 = __AST_CHIP(6, 2), // unused 80 /* 7th gen */ 81 AST2600 = __AST_CHIP(7, 0), 82 AST2620 = __AST_CHIP(7, 1), // unused 83 }; 84 85 #define __AST_CHIP_GEN(__chip) (((unsigned long)(__chip)) >> 16) 86 87 enum ast_tx_chip { 88 AST_TX_NONE, 89 AST_TX_SIL164, 90 AST_TX_DP501, 91 AST_TX_ASTDP, 92 }; 93 94 #define AST_TX_NONE_BIT BIT(AST_TX_NONE) 95 #define AST_TX_SIL164_BIT BIT(AST_TX_SIL164) 96 #define AST_TX_DP501_BIT BIT(AST_TX_DP501) 97 #define AST_TX_ASTDP_BIT BIT(AST_TX_ASTDP) 98 99 enum ast_config_mode { 100 ast_use_p2a, 101 ast_use_dt, 102 ast_use_defaults 103 }; 104 105 #define AST_DRAM_512Mx16 0 106 #define AST_DRAM_1Gx16 1 107 #define AST_DRAM_512Mx32 2 108 #define AST_DRAM_1Gx32 3 109 #define AST_DRAM_2Gx16 6 110 #define AST_DRAM_4Gx16 7 111 #define AST_DRAM_8Gx16 8 112 113 /* 114 * Hardware cursor 115 */ 116 117 #define AST_MAX_HWC_WIDTH 64 118 #define AST_MAX_HWC_HEIGHT 64 119 120 #define AST_HWC_SIZE (AST_MAX_HWC_WIDTH * AST_MAX_HWC_HEIGHT * 2) 121 #define AST_HWC_SIGNATURE_SIZE 32 122 123 /* define for signature structure */ 124 #define AST_HWC_SIGNATURE_CHECKSUM 0x00 125 #define AST_HWC_SIGNATURE_SizeX 0x04 126 #define AST_HWC_SIGNATURE_SizeY 0x08 127 #define AST_HWC_SIGNATURE_X 0x0C 128 #define AST_HWC_SIGNATURE_Y 0x10 129 #define AST_HWC_SIGNATURE_HOTSPOTX 0x14 130 #define AST_HWC_SIGNATURE_HOTSPOTY 0x18 131 132 /* 133 * Planes 134 */ 135 136 struct ast_plane { 137 struct drm_plane base; 138 139 void __iomem *vaddr; 140 u64 offset; 141 unsigned long size; 142 }; 143 144 static inline struct ast_plane *to_ast_plane(struct drm_plane *plane) 145 { 146 return container_of(plane, struct ast_plane, base); 147 } 148 149 /* 150 * BMC 151 */ 152 153 struct ast_bmc_connector { 154 struct drm_connector base; 155 struct drm_connector *physical_connector; 156 }; 157 158 static inline struct ast_bmc_connector * 159 to_ast_bmc_connector(struct drm_connector *connector) 160 { 161 return container_of(connector, struct ast_bmc_connector, base); 162 } 163 164 /* 165 * Device 166 */ 167 168 struct ast_device { 169 struct drm_device base; 170 171 void __iomem *regs; 172 void __iomem *ioregs; 173 void __iomem *dp501_fw_buf; 174 175 enum ast_config_mode config_mode; 176 enum ast_chip chip; 177 178 uint32_t dram_bus_width; 179 uint32_t dram_type; 180 uint32_t mclk; 181 182 void __iomem *vram; 183 unsigned long vram_base; 184 unsigned long vram_size; 185 unsigned long vram_fb_available; 186 187 struct mutex modeset_lock; /* Protects access to modeset I/O registers in ioregs */ 188 189 struct ast_plane primary_plane; 190 struct ast_plane cursor_plane; 191 struct drm_crtc crtc; 192 struct { 193 struct { 194 struct drm_encoder encoder; 195 struct drm_connector connector; 196 } vga; 197 struct { 198 struct drm_encoder encoder; 199 struct drm_connector connector; 200 } sil164; 201 struct { 202 struct drm_encoder encoder; 203 struct drm_connector connector; 204 } dp501; 205 struct { 206 struct drm_encoder encoder; 207 struct drm_connector connector; 208 } astdp; 209 struct { 210 struct drm_encoder encoder; 211 struct ast_bmc_connector bmc_connector; 212 } bmc; 213 } output; 214 215 bool support_wide_screen; 216 217 unsigned long tx_chip_types; /* bitfield of enum ast_chip_type */ 218 u8 *dp501_fw_addr; 219 const struct firmware *dp501_fw; /* dp501 fw */ 220 }; 221 222 static inline struct ast_device *to_ast_device(struct drm_device *dev) 223 { 224 return container_of(dev, struct ast_device, base); 225 } 226 227 struct drm_device *ast_device_create(struct pci_dev *pdev, 228 const struct drm_driver *drv, 229 enum ast_chip chip, 230 enum ast_config_mode config_mode, 231 void __iomem *regs, 232 void __iomem *ioregs, 233 bool need_post); 234 235 static inline unsigned long __ast_gen(struct ast_device *ast) 236 { 237 return __AST_CHIP_GEN(ast->chip); 238 } 239 #define AST_GEN(__ast) __ast_gen(__ast) 240 241 static inline bool __ast_gen_is_eq(struct ast_device *ast, unsigned long gen) 242 { 243 return __ast_gen(ast) == gen; 244 } 245 #define IS_AST_GEN1(__ast) __ast_gen_is_eq(__ast, 1) 246 #define IS_AST_GEN2(__ast) __ast_gen_is_eq(__ast, 2) 247 #define IS_AST_GEN3(__ast) __ast_gen_is_eq(__ast, 3) 248 #define IS_AST_GEN4(__ast) __ast_gen_is_eq(__ast, 4) 249 #define IS_AST_GEN5(__ast) __ast_gen_is_eq(__ast, 5) 250 #define IS_AST_GEN6(__ast) __ast_gen_is_eq(__ast, 6) 251 #define IS_AST_GEN7(__ast) __ast_gen_is_eq(__ast, 7) 252 253 static inline u8 __ast_read8(const void __iomem *addr, u32 reg) 254 { 255 return ioread8(addr + reg); 256 } 257 258 static inline u32 __ast_read32(const void __iomem *addr, u32 reg) 259 { 260 return ioread32(addr + reg); 261 } 262 263 static inline void __ast_write8(void __iomem *addr, u32 reg, u8 val) 264 { 265 iowrite8(val, addr + reg); 266 } 267 268 static inline void __ast_write32(void __iomem *addr, u32 reg, u32 val) 269 { 270 iowrite32(val, addr + reg); 271 } 272 273 static inline u8 __ast_read8_i(void __iomem *addr, u32 reg, u8 index) 274 { 275 __ast_write8(addr, reg, index); 276 return __ast_read8(addr, reg + 1); 277 } 278 279 static inline u8 __ast_read8_i_masked(void __iomem *addr, u32 reg, u8 index, u8 read_mask) 280 { 281 u8 val = __ast_read8_i(addr, reg, index); 282 283 return val & read_mask; 284 } 285 286 static inline void __ast_write8_i(void __iomem *addr, u32 reg, u8 index, u8 val) 287 { 288 __ast_write8(addr, reg, index); 289 __ast_write8(addr, reg + 1, val); 290 } 291 292 static inline void __ast_write8_i_masked(void __iomem *addr, u32 reg, u8 index, u8 read_mask, 293 u8 val) 294 { 295 u8 tmp = __ast_read8_i_masked(addr, reg, index, read_mask); 296 297 tmp |= val; 298 __ast_write8_i(addr, reg, index, tmp); 299 } 300 301 static inline u32 ast_read32(struct ast_device *ast, u32 reg) 302 { 303 return __ast_read32(ast->regs, reg); 304 } 305 306 static inline void ast_write32(struct ast_device *ast, u32 reg, u32 val) 307 { 308 __ast_write32(ast->regs, reg, val); 309 } 310 311 static inline u8 ast_io_read8(struct ast_device *ast, u32 reg) 312 { 313 return __ast_read8(ast->ioregs, reg); 314 } 315 316 static inline void ast_io_write8(struct ast_device *ast, u32 reg, u8 val) 317 { 318 __ast_write8(ast->ioregs, reg, val); 319 } 320 321 static inline u8 ast_get_index_reg(struct ast_device *ast, u32 base, u8 index) 322 { 323 return __ast_read8_i(ast->ioregs, base, index); 324 } 325 326 static inline u8 ast_get_index_reg_mask(struct ast_device *ast, u32 base, u8 index, 327 u8 preserve_mask) 328 { 329 return __ast_read8_i_masked(ast->ioregs, base, index, preserve_mask); 330 } 331 332 static inline void ast_set_index_reg(struct ast_device *ast, u32 base, u8 index, u8 val) 333 { 334 __ast_write8_i(ast->ioregs, base, index, val); 335 } 336 337 static inline void ast_set_index_reg_mask(struct ast_device *ast, u32 base, u8 index, 338 u8 preserve_mask, u8 val) 339 { 340 __ast_write8_i_masked(ast->ioregs, base, index, preserve_mask, val); 341 } 342 343 #define AST_VIDMEM_SIZE_8M 0x00800000 344 #define AST_VIDMEM_SIZE_16M 0x01000000 345 #define AST_VIDMEM_SIZE_32M 0x02000000 346 #define AST_VIDMEM_SIZE_64M 0x04000000 347 #define AST_VIDMEM_SIZE_128M 0x08000000 348 349 #define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M 350 351 struct ast_vbios_stdtable { 352 u8 misc; 353 u8 seq[4]; 354 u8 crtc[25]; 355 u8 ar[20]; 356 u8 gr[9]; 357 }; 358 359 struct ast_vbios_enhtable { 360 u32 ht; 361 u32 hde; 362 u32 hfp; 363 u32 hsync; 364 u32 vt; 365 u32 vde; 366 u32 vfp; 367 u32 vsync; 368 u32 dclk_index; 369 u32 flags; 370 u32 refresh_rate; 371 u32 refresh_rate_index; 372 u32 mode_id; 373 }; 374 375 struct ast_vbios_dclk_info { 376 u8 param1; 377 u8 param2; 378 u8 param3; 379 }; 380 381 struct ast_vbios_mode_info { 382 const struct ast_vbios_stdtable *std_table; 383 const struct ast_vbios_enhtable *enh_table; 384 }; 385 386 struct ast_crtc_state { 387 struct drm_crtc_state base; 388 389 /* Last known format of primary plane */ 390 const struct drm_format_info *format; 391 392 struct ast_vbios_mode_info vbios_mode_info; 393 }; 394 395 #define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base) 396 397 int ast_mode_config_init(struct ast_device *ast); 398 399 #define AST_MM_ALIGN_SHIFT 4 400 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1) 401 402 #define AST_DP501_FW_VERSION_MASK GENMASK(7, 4) 403 #define AST_DP501_FW_VERSION_1 BIT(4) 404 #define AST_DP501_PNP_CONNECTED BIT(1) 405 406 #define AST_DP501_DEFAULT_DCLK 65 407 408 #define AST_DP501_GBL_VERSION 0xf000 409 #define AST_DP501_PNPMONITOR 0xf010 410 #define AST_DP501_LINKRATE 0xf014 411 #define AST_DP501_EDID_DATA 0xf020 412 413 #define AST_DP_POWER_ON true 414 #define AST_DP_POWER_OFF false 415 416 /* 417 * ASTDP resoultion table: 418 * EX: ASTDP_A_B_C: 419 * A: Resolution 420 * B: Refresh Rate 421 * C: Misc information, such as CVT, Reduce Blanked 422 */ 423 #define ASTDP_640x480_60 0x00 424 #define ASTDP_640x480_72 0x01 425 #define ASTDP_640x480_75 0x02 426 #define ASTDP_640x480_85 0x03 427 #define ASTDP_800x600_56 0x04 428 #define ASTDP_800x600_60 0x05 429 #define ASTDP_800x600_72 0x06 430 #define ASTDP_800x600_75 0x07 431 #define ASTDP_800x600_85 0x08 432 #define ASTDP_1024x768_60 0x09 433 #define ASTDP_1024x768_70 0x0A 434 #define ASTDP_1024x768_75 0x0B 435 #define ASTDP_1024x768_85 0x0C 436 #define ASTDP_1280x1024_60 0x0D 437 #define ASTDP_1280x1024_75 0x0E 438 #define ASTDP_1280x1024_85 0x0F 439 #define ASTDP_1600x1200_60 0x10 440 #define ASTDP_320x240_60 0x11 441 #define ASTDP_400x300_60 0x12 442 #define ASTDP_512x384_60 0x13 443 #define ASTDP_1920x1200_60 0x14 444 #define ASTDP_1920x1080_60 0x15 445 #define ASTDP_1280x800_60 0x16 446 #define ASTDP_1280x800_60_RB 0x17 447 #define ASTDP_1440x900_60 0x18 448 #define ASTDP_1440x900_60_RB 0x19 449 #define ASTDP_1680x1050_60 0x1A 450 #define ASTDP_1680x1050_60_RB 0x1B 451 #define ASTDP_1600x900_60 0x1C 452 #define ASTDP_1600x900_60_RB 0x1D 453 #define ASTDP_1366x768_60 0x1E 454 #define ASTDP_1152x864_75 0x1F 455 456 int ast_mm_init(struct ast_device *ast); 457 458 /* ast post */ 459 void ast_post_gpu(struct drm_device *dev); 460 u32 ast_mindwm(struct ast_device *ast, u32 r); 461 void ast_moutdwm(struct ast_device *ast, u32 r, u32 v); 462 void ast_patch_ahb_2500(void __iomem *regs); 463 /* ast dp501 */ 464 void ast_set_dp501_video_output(struct drm_device *dev, u8 mode); 465 bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size); 466 bool ast_dp501_is_connected(struct ast_device *ast); 467 bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata); 468 u8 ast_get_dp501_max_clk(struct drm_device *dev); 469 void ast_init_3rdtx(struct drm_device *dev); 470 471 /* aspeed DP */ 472 bool ast_astdp_is_connected(struct ast_device *ast); 473 int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata); 474 void ast_dp_launch(struct drm_device *dev); 475 bool ast_dp_power_is_on(struct ast_device *ast); 476 void ast_dp_power_on_off(struct drm_device *dev, bool no); 477 void ast_dp_set_on_off(struct drm_device *dev, bool no); 478 void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode); 479 480 #endif 481