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 #include <drm/drm_fb_helper.h> 42 43 #define DRIVER_AUTHOR "Dave Airlie" 44 45 #define DRIVER_NAME "ast" 46 #define DRIVER_DESC "AST" 47 #define DRIVER_DATE "20120228" 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 57 enum ast_chip { 58 AST2000, 59 AST2100, 60 AST1100, 61 AST2200, 62 AST2150, 63 AST2300, 64 AST2400, 65 AST2500, 66 AST2600, 67 }; 68 69 enum ast_tx_chip { 70 AST_TX_NONE, 71 AST_TX_SIL164, 72 AST_TX_DP501, 73 AST_TX_ASTDP, 74 }; 75 76 #define AST_TX_NONE_BIT BIT(AST_TX_NONE) 77 #define AST_TX_SIL164_BIT BIT(AST_TX_SIL164) 78 #define AST_TX_DP501_BIT BIT(AST_TX_DP501) 79 #define AST_TX_ASTDP_BIT BIT(AST_TX_ASTDP) 80 81 #define AST_DRAM_512Mx16 0 82 #define AST_DRAM_1Gx16 1 83 #define AST_DRAM_512Mx32 2 84 #define AST_DRAM_1Gx32 3 85 #define AST_DRAM_2Gx16 6 86 #define AST_DRAM_4Gx16 7 87 #define AST_DRAM_8Gx16 8 88 89 /* 90 * Cursor plane 91 */ 92 93 #define AST_MAX_HWC_WIDTH 64 94 #define AST_MAX_HWC_HEIGHT 64 95 96 #define AST_HWC_SIZE (AST_MAX_HWC_WIDTH * AST_MAX_HWC_HEIGHT * 2) 97 #define AST_HWC_SIGNATURE_SIZE 32 98 99 #define AST_DEFAULT_HWC_NUM 2 100 101 /* define for signature structure */ 102 #define AST_HWC_SIGNATURE_CHECKSUM 0x00 103 #define AST_HWC_SIGNATURE_SizeX 0x04 104 #define AST_HWC_SIGNATURE_SizeY 0x08 105 #define AST_HWC_SIGNATURE_X 0x0C 106 #define AST_HWC_SIGNATURE_Y 0x10 107 #define AST_HWC_SIGNATURE_HOTSPOTX 0x14 108 #define AST_HWC_SIGNATURE_HOTSPOTY 0x18 109 110 struct ast_cursor_plane { 111 struct drm_plane base; 112 113 struct { 114 struct drm_gem_vram_object *gbo; 115 struct iosys_map map; 116 u64 off; 117 } hwc[AST_DEFAULT_HWC_NUM]; 118 119 unsigned int next_hwc_index; 120 }; 121 122 static inline struct ast_cursor_plane * 123 to_ast_cursor_plane(struct drm_plane *plane) 124 { 125 return container_of(plane, struct ast_cursor_plane, base); 126 } 127 128 /* 129 * Connector with i2c channel 130 */ 131 132 struct ast_i2c_chan { 133 struct i2c_adapter adapter; 134 struct drm_device *dev; 135 struct i2c_algo_bit_data bit; 136 }; 137 138 struct ast_vga_connector { 139 struct drm_connector base; 140 struct ast_i2c_chan *i2c; 141 }; 142 143 static inline struct ast_vga_connector * 144 to_ast_vga_connector(struct drm_connector *connector) 145 { 146 return container_of(connector, struct ast_vga_connector, base); 147 } 148 149 struct ast_sil164_connector { 150 struct drm_connector base; 151 struct ast_i2c_chan *i2c; 152 }; 153 154 static inline struct ast_sil164_connector * 155 to_ast_sil164_connector(struct drm_connector *connector) 156 { 157 return container_of(connector, struct ast_sil164_connector, base); 158 } 159 160 /* 161 * Device 162 */ 163 164 struct ast_private { 165 struct drm_device base; 166 167 struct mutex ioregs_lock; /* Protects access to I/O registers in ioregs */ 168 void __iomem *regs; 169 void __iomem *ioregs; 170 void __iomem *dp501_fw_buf; 171 172 enum ast_chip chip; 173 bool vga2_clone; 174 uint32_t dram_bus_width; 175 uint32_t dram_type; 176 uint32_t mclk; 177 178 struct drm_plane primary_plane; 179 struct ast_cursor_plane cursor_plane; 180 struct drm_crtc crtc; 181 struct { 182 struct { 183 struct drm_encoder encoder; 184 struct ast_vga_connector vga_connector; 185 } vga; 186 struct { 187 struct drm_encoder encoder; 188 struct ast_sil164_connector sil164_connector; 189 } sil164; 190 struct { 191 struct drm_encoder encoder; 192 struct drm_connector connector; 193 } dp501; 194 struct { 195 struct drm_encoder encoder; 196 struct drm_connector connector; 197 } astdp; 198 } output; 199 200 bool support_wide_screen; 201 enum { 202 ast_use_p2a, 203 ast_use_dt, 204 ast_use_defaults 205 } config_mode; 206 207 unsigned long tx_chip_types; /* bitfield of enum ast_chip_type */ 208 u8 *dp501_fw_addr; 209 const struct firmware *dp501_fw; /* dp501 fw */ 210 }; 211 212 static inline struct ast_private *to_ast_private(struct drm_device *dev) 213 { 214 return container_of(dev, struct ast_private, base); 215 } 216 217 struct ast_private *ast_device_create(const struct drm_driver *drv, 218 struct pci_dev *pdev, 219 unsigned long flags); 220 221 #define AST_IO_AR_PORT_WRITE (0x40) 222 #define AST_IO_MISC_PORT_WRITE (0x42) 223 #define AST_IO_VGA_ENABLE_PORT (0x43) 224 #define AST_IO_SEQ_PORT (0x44) 225 #define AST_IO_DAC_INDEX_READ (0x47) 226 #define AST_IO_DAC_INDEX_WRITE (0x48) 227 #define AST_IO_DAC_DATA (0x49) 228 #define AST_IO_GR_PORT (0x4E) 229 #define AST_IO_CRTC_PORT (0x54) 230 #define AST_IO_INPUT_STATUS1_READ (0x5A) 231 #define AST_IO_MISC_PORT_READ (0x4C) 232 233 #define AST_IO_MM_OFFSET (0x380) 234 235 #define AST_IO_VGAIR1_VREFRESH BIT(3) 236 237 #define AST_IO_VGACRCB_HWC_ENABLED BIT(1) 238 #define AST_IO_VGACRCB_HWC_16BPP BIT(0) /* set: ARGB4444, cleared: 2bpp palette */ 239 240 #define __ast_read(x) \ 241 static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \ 242 u##x val = 0;\ 243 val = ioread##x(ast->regs + reg); \ 244 return val;\ 245 } 246 247 __ast_read(8); 248 __ast_read(16); 249 __ast_read(32) 250 251 #define __ast_io_read(x) \ 252 static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \ 253 u##x val = 0;\ 254 val = ioread##x(ast->ioregs + reg); \ 255 return val;\ 256 } 257 258 __ast_io_read(8); 259 __ast_io_read(16); 260 __ast_io_read(32); 261 262 #define __ast_write(x) \ 263 static inline void ast_write##x(struct ast_private *ast, u32 reg, u##x val) {\ 264 iowrite##x(val, ast->regs + reg);\ 265 } 266 267 __ast_write(8); 268 __ast_write(16); 269 __ast_write(32); 270 271 #define __ast_io_write(x) \ 272 static inline void ast_io_write##x(struct ast_private *ast, u32 reg, u##x val) {\ 273 iowrite##x(val, ast->ioregs + reg);\ 274 } 275 276 __ast_io_write(8); 277 __ast_io_write(16); 278 #undef __ast_io_write 279 280 static inline void ast_set_index_reg(struct ast_private *ast, 281 uint32_t base, uint8_t index, 282 uint8_t val) 283 { 284 ast_io_write16(ast, base, ((u16)val << 8) | index); 285 } 286 287 void ast_set_index_reg_mask(struct ast_private *ast, 288 uint32_t base, uint8_t index, 289 uint8_t mask, uint8_t val); 290 uint8_t ast_get_index_reg(struct ast_private *ast, 291 uint32_t base, uint8_t index); 292 uint8_t ast_get_index_reg_mask(struct ast_private *ast, 293 uint32_t base, uint8_t index, uint8_t mask); 294 295 static inline void ast_open_key(struct ast_private *ast) 296 { 297 ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x80, 0xA8); 298 } 299 300 #define AST_VIDMEM_SIZE_8M 0x00800000 301 #define AST_VIDMEM_SIZE_16M 0x01000000 302 #define AST_VIDMEM_SIZE_32M 0x02000000 303 #define AST_VIDMEM_SIZE_64M 0x04000000 304 #define AST_VIDMEM_SIZE_128M 0x08000000 305 306 #define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M 307 308 struct ast_vbios_stdtable { 309 u8 misc; 310 u8 seq[4]; 311 u8 crtc[25]; 312 u8 ar[20]; 313 u8 gr[9]; 314 }; 315 316 struct ast_vbios_enhtable { 317 u32 ht; 318 u32 hde; 319 u32 hfp; 320 u32 hsync; 321 u32 vt; 322 u32 vde; 323 u32 vfp; 324 u32 vsync; 325 u32 dclk_index; 326 u32 flags; 327 u32 refresh_rate; 328 u32 refresh_rate_index; 329 u32 mode_id; 330 }; 331 332 struct ast_vbios_dclk_info { 333 u8 param1; 334 u8 param2; 335 u8 param3; 336 }; 337 338 struct ast_vbios_mode_info { 339 const struct ast_vbios_stdtable *std_table; 340 const struct ast_vbios_enhtable *enh_table; 341 }; 342 343 struct ast_crtc_state { 344 struct drm_crtc_state base; 345 346 /* Last known format of primary plane */ 347 const struct drm_format_info *format; 348 349 struct ast_vbios_mode_info vbios_mode_info; 350 }; 351 352 #define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base) 353 354 int ast_mode_config_init(struct ast_private *ast); 355 356 #define AST_MM_ALIGN_SHIFT 4 357 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1) 358 359 #define AST_DP501_FW_VERSION_MASK GENMASK(7, 4) 360 #define AST_DP501_FW_VERSION_1 BIT(4) 361 #define AST_DP501_PNP_CONNECTED BIT(1) 362 363 #define AST_DP501_DEFAULT_DCLK 65 364 365 #define AST_DP501_GBL_VERSION 0xf000 366 #define AST_DP501_PNPMONITOR 0xf010 367 #define AST_DP501_LINKRATE 0xf014 368 #define AST_DP501_EDID_DATA 0xf020 369 370 /* Define for Soc scratched reg */ 371 #define COPROCESSOR_LAUNCH BIT(5) 372 373 /* 374 * Display Transmitter Type: 375 */ 376 #define TX_TYPE_MASK GENMASK(3, 1) 377 #define NO_TX (0 << 1) 378 #define ITE66121_VBIOS_TX (1 << 1) 379 #define SI164_VBIOS_TX (2 << 1) 380 #define CH7003_VBIOS_TX (3 << 1) 381 #define DP501_VBIOS_TX (4 << 1) 382 #define ANX9807_VBIOS_TX (5 << 1) 383 #define TX_FW_EMBEDDED_FW_TX (6 << 1) 384 #define ASTDP_DPMCU_TX (7 << 1) 385 386 #define AST_VRAM_INIT_STATUS_MASK GENMASK(7, 6) 387 //#define AST_VRAM_INIT_BY_BMC BIT(7) 388 //#define AST_VRAM_INIT_READY BIT(6) 389 390 /* Define for Soc scratched reg used on ASTDP */ 391 #define AST_DP_PHY_SLEEP BIT(4) 392 #define AST_DP_VIDEO_ENABLE BIT(0) 393 394 #define AST_DP_POWER_ON true 395 #define AST_DP_POWER_OFF false 396 397 /* 398 * CRD1[b5]: DP MCU FW is executing 399 * CRDC[b0]: DP link success 400 * CRDF[b0]: DP HPD 401 * CRE5[b0]: Host reading EDID process is done 402 */ 403 #define ASTDP_MCU_FW_EXECUTING BIT(5) 404 #define ASTDP_LINK_SUCCESS BIT(0) 405 #define ASTDP_HPD BIT(0) 406 #define ASTDP_HOST_EDID_READ_DONE BIT(0) 407 #define ASTDP_HOST_EDID_READ_DONE_MASK GENMASK(0, 0) 408 409 /* 410 * CRB8[b1]: Enable VSYNC off 411 * CRB8[b0]: Enable HSYNC off 412 */ 413 #define AST_DPMS_VSYNC_OFF BIT(1) 414 #define AST_DPMS_HSYNC_OFF BIT(0) 415 416 /* 417 * CRDF[b4]: Mirror of AST_DP_VIDEO_ENABLE 418 * Precondition: A. ~AST_DP_PHY_SLEEP && 419 * B. DP_HPD && 420 * C. DP_LINK_SUCCESS 421 */ 422 #define ASTDP_MIRROR_VIDEO_ENABLE BIT(4) 423 424 #define ASTDP_EDID_READ_POINTER_MASK GENMASK(7, 0) 425 #define ASTDP_EDID_VALID_FLAG_MASK GENMASK(0, 0) 426 #define ASTDP_EDID_READ_DATA_MASK GENMASK(7, 0) 427 428 /* 429 * ASTDP setmode registers: 430 * CRE0[7:0]: MISC0 ((0x00: 18-bpp) or (0x20: 24-bpp) 431 * CRE1[7:0]: MISC1 (default: 0x00) 432 * CRE2[7:0]: video format index (0x00 ~ 0x20 or 0x40 ~ 0x50) 433 */ 434 #define ASTDP_MISC0_24bpp BIT(5) 435 #define ASTDP_MISC1 0 436 #define ASTDP_CLEAR_MASK GENMASK(7, 0) 437 438 /* 439 * ASTDP resoultion table: 440 * EX: ASTDP_A_B_C: 441 * A: Resolution 442 * B: Refresh Rate 443 * C: Misc information, such as CVT, Reduce Blanked 444 */ 445 #define ASTDP_640x480_60 0x00 446 #define ASTDP_640x480_72 0x01 447 #define ASTDP_640x480_75 0x02 448 #define ASTDP_640x480_85 0x03 449 #define ASTDP_800x600_56 0x04 450 #define ASTDP_800x600_60 0x05 451 #define ASTDP_800x600_72 0x06 452 #define ASTDP_800x600_75 0x07 453 #define ASTDP_800x600_85 0x08 454 #define ASTDP_1024x768_60 0x09 455 #define ASTDP_1024x768_70 0x0A 456 #define ASTDP_1024x768_75 0x0B 457 #define ASTDP_1024x768_85 0x0C 458 #define ASTDP_1280x1024_60 0x0D 459 #define ASTDP_1280x1024_75 0x0E 460 #define ASTDP_1280x1024_85 0x0F 461 #define ASTDP_1600x1200_60 0x10 462 #define ASTDP_320x240_60 0x11 463 #define ASTDP_400x300_60 0x12 464 #define ASTDP_512x384_60 0x13 465 #define ASTDP_1920x1200_60 0x14 466 #define ASTDP_1920x1080_60 0x15 467 #define ASTDP_1280x800_60 0x16 468 #define ASTDP_1280x800_60_RB 0x17 469 #define ASTDP_1440x900_60 0x18 470 #define ASTDP_1440x900_60_RB 0x19 471 #define ASTDP_1680x1050_60 0x1A 472 #define ASTDP_1680x1050_60_RB 0x1B 473 #define ASTDP_1600x900_60 0x1C 474 #define ASTDP_1600x900_60_RB 0x1D 475 #define ASTDP_1366x768_60 0x1E 476 #define ASTDP_1152x864_75 0x1F 477 478 int ast_mm_init(struct ast_private *ast); 479 480 /* ast post */ 481 void ast_enable_vga(struct drm_device *dev); 482 void ast_enable_mmio(struct drm_device *dev); 483 bool ast_is_vga_enabled(struct drm_device *dev); 484 void ast_post_gpu(struct drm_device *dev); 485 u32 ast_mindwm(struct ast_private *ast, u32 r); 486 void ast_moutdwm(struct ast_private *ast, u32 r, u32 v); 487 void ast_patch_ahb_2500(struct ast_private *ast); 488 /* ast dp501 */ 489 void ast_set_dp501_video_output(struct drm_device *dev, u8 mode); 490 bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size); 491 bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata); 492 u8 ast_get_dp501_max_clk(struct drm_device *dev); 493 void ast_init_3rdtx(struct drm_device *dev); 494 495 /* ast_i2c.c */ 496 struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); 497 498 /* aspeed DP */ 499 int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata); 500 void ast_dp_launch(struct drm_device *dev, u8 bPower); 501 void ast_dp_power_on_off(struct drm_device *dev, bool no); 502 void ast_dp_set_on_off(struct drm_device *dev, bool no); 503 void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode); 504 505 #endif 506