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/i2c.h> 32 #include <linux/i2c-algo-bit.h> 33 #include <linux/io.h> 34 #include <linux/types.h> 35 36 #include <drm/drm_connector.h> 37 #include <drm/drm_crtc.h> 38 #include <drm/drm_encoder.h> 39 #include <drm/drm_mode.h> 40 #include <drm/drm_framebuffer.h> 41 42 #include "ast_reg.h" 43 44 #define DRIVER_AUTHOR "Dave Airlie" 45 46 #define DRIVER_NAME "ast" 47 #define DRIVER_DESC "AST" 48 #define DRIVER_DATE "20120228" 49 50 #define DRIVER_MAJOR 0 51 #define DRIVER_MINOR 1 52 #define DRIVER_PATCHLEVEL 0 53 54 #define PCI_CHIP_AST2000 0x2000 55 #define PCI_CHIP_AST2100 0x2010 56 57 #define __AST_CHIP(__gen, __index) ((__gen) << 16 | (__index)) 58 59 enum ast_chip { 60 /* 1st gen */ 61 AST1000 = __AST_CHIP(1, 0), // unused 62 AST2000 = __AST_CHIP(1, 1), 63 /* 2nd gen */ 64 AST1100 = __AST_CHIP(2, 0), 65 AST2100 = __AST_CHIP(2, 1), 66 AST2050 = __AST_CHIP(2, 2), // unused 67 /* 3rd gen */ 68 AST2200 = __AST_CHIP(3, 0), 69 AST2150 = __AST_CHIP(3, 1), 70 /* 4th gen */ 71 AST2300 = __AST_CHIP(4, 0), 72 AST1300 = __AST_CHIP(4, 1), 73 AST1050 = __AST_CHIP(4, 2), // unused 74 /* 5th gen */ 75 AST2400 = __AST_CHIP(5, 0), 76 AST1400 = __AST_CHIP(5, 1), 77 AST1250 = __AST_CHIP(5, 2), // unused 78 /* 6th gen */ 79 AST2500 = __AST_CHIP(6, 0), 80 AST2510 = __AST_CHIP(6, 1), 81 AST2520 = __AST_CHIP(6, 2), // unused 82 /* 7th gen */ 83 AST2600 = __AST_CHIP(7, 0), 84 AST2620 = __AST_CHIP(7, 1), // unused 85 }; 86 87 #define __AST_CHIP_GEN(__chip) (((unsigned long)(__chip)) >> 16) 88 89 enum ast_tx_chip { 90 AST_TX_NONE, 91 AST_TX_SIL164, 92 AST_TX_DP501, 93 AST_TX_ASTDP, 94 }; 95 96 #define AST_TX_NONE_BIT BIT(AST_TX_NONE) 97 #define AST_TX_SIL164_BIT BIT(AST_TX_SIL164) 98 #define AST_TX_DP501_BIT BIT(AST_TX_DP501) 99 #define AST_TX_ASTDP_BIT BIT(AST_TX_ASTDP) 100 101 enum ast_config_mode { 102 ast_use_p2a, 103 ast_use_dt, 104 ast_use_defaults 105 }; 106 107 #define AST_DRAM_512Mx16 0 108 #define AST_DRAM_1Gx16 1 109 #define AST_DRAM_512Mx32 2 110 #define AST_DRAM_1Gx32 3 111 #define AST_DRAM_2Gx16 6 112 #define AST_DRAM_4Gx16 7 113 #define AST_DRAM_8Gx16 8 114 115 /* 116 * Hardware cursor 117 */ 118 119 #define AST_MAX_HWC_WIDTH 64 120 #define AST_MAX_HWC_HEIGHT 64 121 122 #define AST_HWC_SIZE (AST_MAX_HWC_WIDTH * AST_MAX_HWC_HEIGHT * 2) 123 #define AST_HWC_SIGNATURE_SIZE 32 124 125 /* define for signature structure */ 126 #define AST_HWC_SIGNATURE_CHECKSUM 0x00 127 #define AST_HWC_SIGNATURE_SizeX 0x04 128 #define AST_HWC_SIGNATURE_SizeY 0x08 129 #define AST_HWC_SIGNATURE_X 0x0C 130 #define AST_HWC_SIGNATURE_Y 0x10 131 #define AST_HWC_SIGNATURE_HOTSPOTX 0x14 132 #define AST_HWC_SIGNATURE_HOTSPOTY 0x18 133 134 /* 135 * Planes 136 */ 137 138 struct ast_plane { 139 struct drm_plane base; 140 141 void __iomem *vaddr; 142 u64 offset; 143 unsigned long size; 144 }; 145 146 static inline struct ast_plane *to_ast_plane(struct drm_plane *plane) 147 { 148 return container_of(plane, struct ast_plane, base); 149 } 150 151 /* 152 * Connector with i2c channel 153 */ 154 155 struct ast_i2c_chan { 156 struct i2c_adapter adapter; 157 struct drm_device *dev; 158 struct i2c_algo_bit_data bit; 159 }; 160 161 struct ast_vga_connector { 162 struct drm_connector base; 163 struct ast_i2c_chan *i2c; 164 }; 165 166 static inline struct ast_vga_connector * 167 to_ast_vga_connector(struct drm_connector *connector) 168 { 169 return container_of(connector, struct ast_vga_connector, base); 170 } 171 172 struct ast_sil164_connector { 173 struct drm_connector base; 174 struct ast_i2c_chan *i2c; 175 }; 176 177 static inline struct ast_sil164_connector * 178 to_ast_sil164_connector(struct drm_connector *connector) 179 { 180 return container_of(connector, struct ast_sil164_connector, base); 181 } 182 183 struct ast_bmc_connector { 184 struct drm_connector base; 185 struct drm_connector *physical_connector; 186 }; 187 188 static inline struct ast_bmc_connector * 189 to_ast_bmc_connector(struct drm_connector *connector) 190 { 191 return container_of(connector, struct ast_bmc_connector, base); 192 } 193 194 /* 195 * Device 196 */ 197 198 struct ast_device { 199 struct drm_device base; 200 201 void __iomem *regs; 202 void __iomem *ioregs; 203 void __iomem *dp501_fw_buf; 204 205 enum ast_config_mode config_mode; 206 enum ast_chip chip; 207 208 uint32_t dram_bus_width; 209 uint32_t dram_type; 210 uint32_t mclk; 211 212 void __iomem *vram; 213 unsigned long vram_base; 214 unsigned long vram_size; 215 unsigned long vram_fb_available; 216 217 struct mutex modeset_lock; /* Protects access to modeset I/O registers in ioregs */ 218 219 struct ast_plane primary_plane; 220 struct ast_plane cursor_plane; 221 struct drm_crtc crtc; 222 struct { 223 struct { 224 struct drm_encoder encoder; 225 struct ast_vga_connector vga_connector; 226 } vga; 227 struct { 228 struct drm_encoder encoder; 229 struct ast_sil164_connector sil164_connector; 230 } sil164; 231 struct { 232 struct drm_encoder encoder; 233 struct drm_connector connector; 234 } dp501; 235 struct { 236 struct drm_encoder encoder; 237 struct drm_connector connector; 238 } astdp; 239 struct { 240 struct drm_encoder encoder; 241 struct ast_bmc_connector bmc_connector; 242 } bmc; 243 } output; 244 245 bool support_wide_screen; 246 247 unsigned long tx_chip_types; /* bitfield of enum ast_chip_type */ 248 u8 *dp501_fw_addr; 249 const struct firmware *dp501_fw; /* dp501 fw */ 250 }; 251 252 static inline struct ast_device *to_ast_device(struct drm_device *dev) 253 { 254 return container_of(dev, struct ast_device, base); 255 } 256 257 struct drm_device *ast_device_create(struct pci_dev *pdev, 258 const struct drm_driver *drv, 259 enum ast_chip chip, 260 enum ast_config_mode config_mode, 261 void __iomem *regs, 262 void __iomem *ioregs, 263 bool need_post); 264 265 static inline unsigned long __ast_gen(struct ast_device *ast) 266 { 267 return __AST_CHIP_GEN(ast->chip); 268 } 269 #define AST_GEN(__ast) __ast_gen(__ast) 270 271 static inline bool __ast_gen_is_eq(struct ast_device *ast, unsigned long gen) 272 { 273 return __ast_gen(ast) == gen; 274 } 275 #define IS_AST_GEN1(__ast) __ast_gen_is_eq(__ast, 1) 276 #define IS_AST_GEN2(__ast) __ast_gen_is_eq(__ast, 2) 277 #define IS_AST_GEN3(__ast) __ast_gen_is_eq(__ast, 3) 278 #define IS_AST_GEN4(__ast) __ast_gen_is_eq(__ast, 4) 279 #define IS_AST_GEN5(__ast) __ast_gen_is_eq(__ast, 5) 280 #define IS_AST_GEN6(__ast) __ast_gen_is_eq(__ast, 6) 281 #define IS_AST_GEN7(__ast) __ast_gen_is_eq(__ast, 7) 282 283 static inline u8 __ast_read8(const void __iomem *addr, u32 reg) 284 { 285 return ioread8(addr + reg); 286 } 287 288 static inline u32 __ast_read32(const void __iomem *addr, u32 reg) 289 { 290 return ioread32(addr + reg); 291 } 292 293 static inline void __ast_write8(void __iomem *addr, u32 reg, u8 val) 294 { 295 iowrite8(val, addr + reg); 296 } 297 298 static inline void __ast_write32(void __iomem *addr, u32 reg, u32 val) 299 { 300 iowrite32(val, addr + reg); 301 } 302 303 static inline u8 __ast_read8_i(void __iomem *addr, u32 reg, u8 index) 304 { 305 __ast_write8(addr, reg, index); 306 return __ast_read8(addr, reg + 1); 307 } 308 309 static inline u8 __ast_read8_i_masked(void __iomem *addr, u32 reg, u8 index, u8 read_mask) 310 { 311 u8 val = __ast_read8_i(addr, reg, index); 312 313 return val & read_mask; 314 } 315 316 static inline void __ast_write8_i(void __iomem *addr, u32 reg, u8 index, u8 val) 317 { 318 __ast_write8(addr, reg, index); 319 __ast_write8(addr, reg + 1, val); 320 } 321 322 static inline void __ast_write8_i_masked(void __iomem *addr, u32 reg, u8 index, u8 read_mask, 323 u8 val) 324 { 325 u8 tmp = __ast_read8_i_masked(addr, reg, index, read_mask); 326 327 tmp |= val; 328 __ast_write8_i(addr, reg, index, tmp); 329 } 330 331 static inline u32 ast_read32(struct ast_device *ast, u32 reg) 332 { 333 return __ast_read32(ast->regs, reg); 334 } 335 336 static inline void ast_write32(struct ast_device *ast, u32 reg, u32 val) 337 { 338 __ast_write32(ast->regs, reg, val); 339 } 340 341 static inline u8 ast_io_read8(struct ast_device *ast, u32 reg) 342 { 343 return __ast_read8(ast->ioregs, reg); 344 } 345 346 static inline void ast_io_write8(struct ast_device *ast, u32 reg, u8 val) 347 { 348 __ast_write8(ast->ioregs, reg, val); 349 } 350 351 static inline u8 ast_get_index_reg(struct ast_device *ast, u32 base, u8 index) 352 { 353 return __ast_read8_i(ast->ioregs, base, index); 354 } 355 356 static inline u8 ast_get_index_reg_mask(struct ast_device *ast, u32 base, u8 index, 357 u8 preserve_mask) 358 { 359 return __ast_read8_i_masked(ast->ioregs, base, index, preserve_mask); 360 } 361 362 static inline void ast_set_index_reg(struct ast_device *ast, u32 base, u8 index, u8 val) 363 { 364 __ast_write8_i(ast->ioregs, base, index, val); 365 } 366 367 static inline void ast_set_index_reg_mask(struct ast_device *ast, u32 base, u8 index, 368 u8 preserve_mask, u8 val) 369 { 370 __ast_write8_i_masked(ast->ioregs, base, index, preserve_mask, val); 371 } 372 373 #define AST_VIDMEM_SIZE_8M 0x00800000 374 #define AST_VIDMEM_SIZE_16M 0x01000000 375 #define AST_VIDMEM_SIZE_32M 0x02000000 376 #define AST_VIDMEM_SIZE_64M 0x04000000 377 #define AST_VIDMEM_SIZE_128M 0x08000000 378 379 #define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M 380 381 struct ast_vbios_stdtable { 382 u8 misc; 383 u8 seq[4]; 384 u8 crtc[25]; 385 u8 ar[20]; 386 u8 gr[9]; 387 }; 388 389 struct ast_vbios_enhtable { 390 u32 ht; 391 u32 hde; 392 u32 hfp; 393 u32 hsync; 394 u32 vt; 395 u32 vde; 396 u32 vfp; 397 u32 vsync; 398 u32 dclk_index; 399 u32 flags; 400 u32 refresh_rate; 401 u32 refresh_rate_index; 402 u32 mode_id; 403 }; 404 405 struct ast_vbios_dclk_info { 406 u8 param1; 407 u8 param2; 408 u8 param3; 409 }; 410 411 struct ast_vbios_mode_info { 412 const struct ast_vbios_stdtable *std_table; 413 const struct ast_vbios_enhtable *enh_table; 414 }; 415 416 struct ast_crtc_state { 417 struct drm_crtc_state base; 418 419 /* Last known format of primary plane */ 420 const struct drm_format_info *format; 421 422 struct ast_vbios_mode_info vbios_mode_info; 423 }; 424 425 #define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base) 426 427 int ast_mode_config_init(struct ast_device *ast); 428 429 #define AST_MM_ALIGN_SHIFT 4 430 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1) 431 432 #define AST_DP501_FW_VERSION_MASK GENMASK(7, 4) 433 #define AST_DP501_FW_VERSION_1 BIT(4) 434 #define AST_DP501_PNP_CONNECTED BIT(1) 435 436 #define AST_DP501_DEFAULT_DCLK 65 437 438 #define AST_DP501_GBL_VERSION 0xf000 439 #define AST_DP501_PNPMONITOR 0xf010 440 #define AST_DP501_LINKRATE 0xf014 441 #define AST_DP501_EDID_DATA 0xf020 442 443 #define AST_DP_POWER_ON true 444 #define AST_DP_POWER_OFF false 445 446 /* 447 * ASTDP resoultion table: 448 * EX: ASTDP_A_B_C: 449 * A: Resolution 450 * B: Refresh Rate 451 * C: Misc information, such as CVT, Reduce Blanked 452 */ 453 #define ASTDP_640x480_60 0x00 454 #define ASTDP_640x480_72 0x01 455 #define ASTDP_640x480_75 0x02 456 #define ASTDP_640x480_85 0x03 457 #define ASTDP_800x600_56 0x04 458 #define ASTDP_800x600_60 0x05 459 #define ASTDP_800x600_72 0x06 460 #define ASTDP_800x600_75 0x07 461 #define ASTDP_800x600_85 0x08 462 #define ASTDP_1024x768_60 0x09 463 #define ASTDP_1024x768_70 0x0A 464 #define ASTDP_1024x768_75 0x0B 465 #define ASTDP_1024x768_85 0x0C 466 #define ASTDP_1280x1024_60 0x0D 467 #define ASTDP_1280x1024_75 0x0E 468 #define ASTDP_1280x1024_85 0x0F 469 #define ASTDP_1600x1200_60 0x10 470 #define ASTDP_320x240_60 0x11 471 #define ASTDP_400x300_60 0x12 472 #define ASTDP_512x384_60 0x13 473 #define ASTDP_1920x1200_60 0x14 474 #define ASTDP_1920x1080_60 0x15 475 #define ASTDP_1280x800_60 0x16 476 #define ASTDP_1280x800_60_RB 0x17 477 #define ASTDP_1440x900_60 0x18 478 #define ASTDP_1440x900_60_RB 0x19 479 #define ASTDP_1680x1050_60 0x1A 480 #define ASTDP_1680x1050_60_RB 0x1B 481 #define ASTDP_1600x900_60 0x1C 482 #define ASTDP_1600x900_60_RB 0x1D 483 #define ASTDP_1366x768_60 0x1E 484 #define ASTDP_1152x864_75 0x1F 485 486 int ast_mm_init(struct ast_device *ast); 487 488 /* ast post */ 489 void ast_post_gpu(struct drm_device *dev); 490 u32 ast_mindwm(struct ast_device *ast, u32 r); 491 void ast_moutdwm(struct ast_device *ast, u32 r, u32 v); 492 void ast_patch_ahb_2500(void __iomem *regs); 493 /* ast dp501 */ 494 void ast_set_dp501_video_output(struct drm_device *dev, u8 mode); 495 bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size); 496 bool ast_dp501_is_connected(struct ast_device *ast); 497 bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata); 498 u8 ast_get_dp501_max_clk(struct drm_device *dev); 499 void ast_init_3rdtx(struct drm_device *dev); 500 501 /* ast_i2c.c */ 502 struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); 503 504 /* aspeed DP */ 505 bool ast_astdp_is_connected(struct ast_device *ast); 506 int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata); 507 void ast_dp_launch(struct drm_device *dev); 508 void ast_dp_power_on_off(struct drm_device *dev, bool no); 509 void ast_dp_set_on_off(struct drm_device *dev, bool no); 510 void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode); 511 512 #endif 513