1 /* 2 * QEMU SM501 Device 3 * 4 * Copyright (c) 2008 Shin-ichiro KAWASAKI 5 * Copyright (c) 2016-2020 BALATON Zoltan 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 * THE SOFTWARE. 24 */ 25 26 #include "qemu/osdep.h" 27 #include "qemu/units.h" 28 #include "qapi/error.h" 29 #include "qemu/log.h" 30 #include "qemu/module.h" 31 #include "hw/char/serial.h" 32 #include "ui/console.h" 33 #include "hw/sysbus.h" 34 #include "migration/vmstate.h" 35 #include "hw/pci/pci.h" 36 #include "hw/qdev-properties.h" 37 #include "hw/i2c/i2c.h" 38 #include "hw/display/i2c-ddc.h" 39 #include "qemu/range.h" 40 #include "ui/pixel_ops.h" 41 #include "qemu/bswap.h" 42 43 /*#define DEBUG_SM501*/ 44 /*#define DEBUG_BITBLT*/ 45 46 #ifdef DEBUG_SM501 47 #define SM501_DPRINTF(fmt, ...) printf(fmt, ## __VA_ARGS__) 48 #else 49 #define SM501_DPRINTF(fmt, ...) do {} while (0) 50 #endif 51 52 #define MMIO_BASE_OFFSET 0x3e00000 53 #define MMIO_SIZE 0x200000 54 #define DC_PALETTE_ENTRIES (0x400 * 3) 55 56 /* SM501 register definitions taken from "linux/include/linux/sm501-regs.h" */ 57 58 /* System Configuration area */ 59 /* System config base */ 60 #define SM501_SYS_CONFIG (0x000000) 61 62 /* config 1 */ 63 #define SM501_SYSTEM_CONTROL (0x000000) 64 65 #define SM501_SYSCTRL_PANEL_TRISTATE (1 << 0) 66 #define SM501_SYSCTRL_MEM_TRISTATE (1 << 1) 67 #define SM501_SYSCTRL_CRT_TRISTATE (1 << 2) 68 69 #define SM501_SYSCTRL_PCI_SLAVE_BURST_MASK (3 << 4) 70 #define SM501_SYSCTRL_PCI_SLAVE_BURST_1 (0 << 4) 71 #define SM501_SYSCTRL_PCI_SLAVE_BURST_2 (1 << 4) 72 #define SM501_SYSCTRL_PCI_SLAVE_BURST_4 (2 << 4) 73 #define SM501_SYSCTRL_PCI_SLAVE_BURST_8 (3 << 4) 74 75 #define SM501_SYSCTRL_PCI_CLOCK_RUN_EN (1 << 6) 76 #define SM501_SYSCTRL_PCI_RETRY_DISABLE (1 << 7) 77 #define SM501_SYSCTRL_PCI_SUBSYS_LOCK (1 << 11) 78 #define SM501_SYSCTRL_PCI_BURST_READ_EN (1 << 15) 79 80 /* miscellaneous control */ 81 82 #define SM501_MISC_CONTROL (0x000004) 83 84 #define SM501_MISC_BUS_SH (0x0) 85 #define SM501_MISC_BUS_PCI (0x1) 86 #define SM501_MISC_BUS_XSCALE (0x2) 87 #define SM501_MISC_BUS_NEC (0x6) 88 #define SM501_MISC_BUS_MASK (0x7) 89 90 #define SM501_MISC_VR_62MB (1 << 3) 91 #define SM501_MISC_CDR_RESET (1 << 7) 92 #define SM501_MISC_USB_LB (1 << 8) 93 #define SM501_MISC_USB_SLAVE (1 << 9) 94 #define SM501_MISC_BL_1 (1 << 10) 95 #define SM501_MISC_MC (1 << 11) 96 #define SM501_MISC_DAC_POWER (1 << 12) 97 #define SM501_MISC_IRQ_INVERT (1 << 16) 98 #define SM501_MISC_SH (1 << 17) 99 100 #define SM501_MISC_HOLD_EMPTY (0 << 18) 101 #define SM501_MISC_HOLD_8 (1 << 18) 102 #define SM501_MISC_HOLD_16 (2 << 18) 103 #define SM501_MISC_HOLD_24 (3 << 18) 104 #define SM501_MISC_HOLD_32 (4 << 18) 105 #define SM501_MISC_HOLD_MASK (7 << 18) 106 107 #define SM501_MISC_FREQ_12 (1 << 24) 108 #define SM501_MISC_PNL_24BIT (1 << 25) 109 #define SM501_MISC_8051_LE (1 << 26) 110 111 112 113 #define SM501_GPIO31_0_CONTROL (0x000008) 114 #define SM501_GPIO63_32_CONTROL (0x00000C) 115 #define SM501_DRAM_CONTROL (0x000010) 116 117 /* command list */ 118 #define SM501_ARBTRTN_CONTROL (0x000014) 119 120 /* command list */ 121 #define SM501_COMMAND_LIST_STATUS (0x000024) 122 123 /* interrupt debug */ 124 #define SM501_RAW_IRQ_STATUS (0x000028) 125 #define SM501_RAW_IRQ_CLEAR (0x000028) 126 #define SM501_IRQ_STATUS (0x00002C) 127 #define SM501_IRQ_MASK (0x000030) 128 #define SM501_DEBUG_CONTROL (0x000034) 129 130 /* power management */ 131 #define SM501_POWERMODE_P2X_SRC (1 << 29) 132 #define SM501_POWERMODE_V2X_SRC (1 << 20) 133 #define SM501_POWERMODE_M_SRC (1 << 12) 134 #define SM501_POWERMODE_M1_SRC (1 << 4) 135 136 #define SM501_CURRENT_GATE (0x000038) 137 #define SM501_CURRENT_CLOCK (0x00003C) 138 #define SM501_POWER_MODE_0_GATE (0x000040) 139 #define SM501_POWER_MODE_0_CLOCK (0x000044) 140 #define SM501_POWER_MODE_1_GATE (0x000048) 141 #define SM501_POWER_MODE_1_CLOCK (0x00004C) 142 #define SM501_SLEEP_MODE_GATE (0x000050) 143 #define SM501_POWER_MODE_CONTROL (0x000054) 144 145 /* power gates for units within the 501 */ 146 #define SM501_GATE_HOST (0) 147 #define SM501_GATE_MEMORY (1) 148 #define SM501_GATE_DISPLAY (2) 149 #define SM501_GATE_2D_ENGINE (3) 150 #define SM501_GATE_CSC (4) 151 #define SM501_GATE_ZVPORT (5) 152 #define SM501_GATE_GPIO (6) 153 #define SM501_GATE_UART0 (7) 154 #define SM501_GATE_UART1 (8) 155 #define SM501_GATE_SSP (10) 156 #define SM501_GATE_USB_HOST (11) 157 #define SM501_GATE_USB_GADGET (12) 158 #define SM501_GATE_UCONTROLLER (17) 159 #define SM501_GATE_AC97 (18) 160 161 /* panel clock */ 162 #define SM501_CLOCK_P2XCLK (24) 163 /* crt clock */ 164 #define SM501_CLOCK_V2XCLK (16) 165 /* main clock */ 166 #define SM501_CLOCK_MCLK (8) 167 /* SDRAM controller clock */ 168 #define SM501_CLOCK_M1XCLK (0) 169 170 /* config 2 */ 171 #define SM501_PCI_MASTER_BASE (0x000058) 172 #define SM501_ENDIAN_CONTROL (0x00005C) 173 #define SM501_DEVICEID (0x000060) 174 /* 0x050100A0 */ 175 176 #define SM501_DEVICEID_SM501 (0x05010000) 177 #define SM501_DEVICEID_IDMASK (0xffff0000) 178 #define SM501_DEVICEID_REVMASK (0x000000ff) 179 180 #define SM501_PLLCLOCK_COUNT (0x000064) 181 #define SM501_MISC_TIMING (0x000068) 182 #define SM501_CURRENT_SDRAM_CLOCK (0x00006C) 183 184 #define SM501_PROGRAMMABLE_PLL_CONTROL (0x000074) 185 186 /* GPIO base */ 187 #define SM501_GPIO (0x010000) 188 #define SM501_GPIO_DATA_LOW (0x00) 189 #define SM501_GPIO_DATA_HIGH (0x04) 190 #define SM501_GPIO_DDR_LOW (0x08) 191 #define SM501_GPIO_DDR_HIGH (0x0C) 192 #define SM501_GPIO_IRQ_SETUP (0x10) 193 #define SM501_GPIO_IRQ_STATUS (0x14) 194 #define SM501_GPIO_IRQ_RESET (0x14) 195 196 /* I2C controller base */ 197 #define SM501_I2C (0x010040) 198 #define SM501_I2C_BYTE_COUNT (0x00) 199 #define SM501_I2C_CONTROL (0x01) 200 #define SM501_I2C_STATUS (0x02) 201 #define SM501_I2C_RESET (0x02) 202 #define SM501_I2C_SLAVE_ADDRESS (0x03) 203 #define SM501_I2C_DATA (0x04) 204 205 #define SM501_I2C_CONTROL_START (1 << 2) 206 #define SM501_I2C_CONTROL_ENABLE (1 << 0) 207 208 #define SM501_I2C_STATUS_COMPLETE (1 << 3) 209 #define SM501_I2C_STATUS_ERROR (1 << 2) 210 211 #define SM501_I2C_RESET_ERROR (1 << 2) 212 213 /* SSP base */ 214 #define SM501_SSP (0x020000) 215 216 /* Uart 0 base */ 217 #define SM501_UART0 (0x030000) 218 219 /* Uart 1 base */ 220 #define SM501_UART1 (0x030020) 221 222 /* USB host port base */ 223 #define SM501_USB_HOST (0x040000) 224 225 /* USB slave/gadget base */ 226 #define SM501_USB_GADGET (0x060000) 227 228 /* USB slave/gadget data port base */ 229 #define SM501_USB_GADGET_DATA (0x070000) 230 231 /* Display controller/video engine base */ 232 #define SM501_DC (0x080000) 233 234 /* common defines for the SM501 address registers */ 235 #define SM501_ADDR_FLIP (1 << 31) 236 #define SM501_ADDR_EXT (1 << 27) 237 #define SM501_ADDR_CS1 (1 << 26) 238 #define SM501_ADDR_MASK (0x3f << 26) 239 240 #define SM501_FIFO_MASK (0x3 << 16) 241 #define SM501_FIFO_1 (0x0 << 16) 242 #define SM501_FIFO_3 (0x1 << 16) 243 #define SM501_FIFO_7 (0x2 << 16) 244 #define SM501_FIFO_11 (0x3 << 16) 245 246 /* common registers for panel and the crt */ 247 #define SM501_OFF_DC_H_TOT (0x000) 248 #define SM501_OFF_DC_V_TOT (0x008) 249 #define SM501_OFF_DC_H_SYNC (0x004) 250 #define SM501_OFF_DC_V_SYNC (0x00C) 251 252 #define SM501_DC_PANEL_CONTROL (0x000) 253 254 #define SM501_DC_PANEL_CONTROL_FPEN (1 << 27) 255 #define SM501_DC_PANEL_CONTROL_BIAS (1 << 26) 256 #define SM501_DC_PANEL_CONTROL_DATA (1 << 25) 257 #define SM501_DC_PANEL_CONTROL_VDD (1 << 24) 258 #define SM501_DC_PANEL_CONTROL_DP (1 << 23) 259 260 #define SM501_DC_PANEL_CONTROL_TFT_888 (0 << 21) 261 #define SM501_DC_PANEL_CONTROL_TFT_333 (1 << 21) 262 #define SM501_DC_PANEL_CONTROL_TFT_444 (2 << 21) 263 264 #define SM501_DC_PANEL_CONTROL_DE (1 << 20) 265 266 #define SM501_DC_PANEL_CONTROL_LCD_TFT (0 << 18) 267 #define SM501_DC_PANEL_CONTROL_LCD_STN8 (1 << 18) 268 #define SM501_DC_PANEL_CONTROL_LCD_STN12 (2 << 18) 269 270 #define SM501_DC_PANEL_CONTROL_CP (1 << 14) 271 #define SM501_DC_PANEL_CONTROL_VSP (1 << 13) 272 #define SM501_DC_PANEL_CONTROL_HSP (1 << 12) 273 #define SM501_DC_PANEL_CONTROL_CK (1 << 9) 274 #define SM501_DC_PANEL_CONTROL_TE (1 << 8) 275 #define SM501_DC_PANEL_CONTROL_VPD (1 << 7) 276 #define SM501_DC_PANEL_CONTROL_VP (1 << 6) 277 #define SM501_DC_PANEL_CONTROL_HPD (1 << 5) 278 #define SM501_DC_PANEL_CONTROL_HP (1 << 4) 279 #define SM501_DC_PANEL_CONTROL_GAMMA (1 << 3) 280 #define SM501_DC_PANEL_CONTROL_EN (1 << 2) 281 282 #define SM501_DC_PANEL_CONTROL_8BPP (0 << 0) 283 #define SM501_DC_PANEL_CONTROL_16BPP (1 << 0) 284 #define SM501_DC_PANEL_CONTROL_32BPP (2 << 0) 285 286 287 #define SM501_DC_PANEL_PANNING_CONTROL (0x004) 288 #define SM501_DC_PANEL_COLOR_KEY (0x008) 289 #define SM501_DC_PANEL_FB_ADDR (0x00C) 290 #define SM501_DC_PANEL_FB_OFFSET (0x010) 291 #define SM501_DC_PANEL_FB_WIDTH (0x014) 292 #define SM501_DC_PANEL_FB_HEIGHT (0x018) 293 #define SM501_DC_PANEL_TL_LOC (0x01C) 294 #define SM501_DC_PANEL_BR_LOC (0x020) 295 #define SM501_DC_PANEL_H_TOT (0x024) 296 #define SM501_DC_PANEL_H_SYNC (0x028) 297 #define SM501_DC_PANEL_V_TOT (0x02C) 298 #define SM501_DC_PANEL_V_SYNC (0x030) 299 #define SM501_DC_PANEL_CUR_LINE (0x034) 300 301 #define SM501_DC_VIDEO_CONTROL (0x040) 302 #define SM501_DC_VIDEO_FB0_ADDR (0x044) 303 #define SM501_DC_VIDEO_FB_WIDTH (0x048) 304 #define SM501_DC_VIDEO_FB0_LAST_ADDR (0x04C) 305 #define SM501_DC_VIDEO_TL_LOC (0x050) 306 #define SM501_DC_VIDEO_BR_LOC (0x054) 307 #define SM501_DC_VIDEO_SCALE (0x058) 308 #define SM501_DC_VIDEO_INIT_SCALE (0x05C) 309 #define SM501_DC_VIDEO_YUV_CONSTANTS (0x060) 310 #define SM501_DC_VIDEO_FB1_ADDR (0x064) 311 #define SM501_DC_VIDEO_FB1_LAST_ADDR (0x068) 312 313 #define SM501_DC_VIDEO_ALPHA_CONTROL (0x080) 314 #define SM501_DC_VIDEO_ALPHA_FB_ADDR (0x084) 315 #define SM501_DC_VIDEO_ALPHA_FB_OFFSET (0x088) 316 #define SM501_DC_VIDEO_ALPHA_FB_LAST_ADDR (0x08C) 317 #define SM501_DC_VIDEO_ALPHA_TL_LOC (0x090) 318 #define SM501_DC_VIDEO_ALPHA_BR_LOC (0x094) 319 #define SM501_DC_VIDEO_ALPHA_SCALE (0x098) 320 #define SM501_DC_VIDEO_ALPHA_INIT_SCALE (0x09C) 321 #define SM501_DC_VIDEO_ALPHA_CHROMA_KEY (0x0A0) 322 #define SM501_DC_VIDEO_ALPHA_COLOR_LOOKUP (0x0A4) 323 324 #define SM501_DC_PANEL_HWC_BASE (0x0F0) 325 #define SM501_DC_PANEL_HWC_ADDR (0x0F0) 326 #define SM501_DC_PANEL_HWC_LOC (0x0F4) 327 #define SM501_DC_PANEL_HWC_COLOR_1_2 (0x0F8) 328 #define SM501_DC_PANEL_HWC_COLOR_3 (0x0FC) 329 330 #define SM501_HWC_EN (1 << 31) 331 332 #define SM501_OFF_HWC_ADDR (0x00) 333 #define SM501_OFF_HWC_LOC (0x04) 334 #define SM501_OFF_HWC_COLOR_1_2 (0x08) 335 #define SM501_OFF_HWC_COLOR_3 (0x0C) 336 337 #define SM501_DC_ALPHA_CONTROL (0x100) 338 #define SM501_DC_ALPHA_FB_ADDR (0x104) 339 #define SM501_DC_ALPHA_FB_OFFSET (0x108) 340 #define SM501_DC_ALPHA_TL_LOC (0x10C) 341 #define SM501_DC_ALPHA_BR_LOC (0x110) 342 #define SM501_DC_ALPHA_CHROMA_KEY (0x114) 343 #define SM501_DC_ALPHA_COLOR_LOOKUP (0x118) 344 345 #define SM501_DC_CRT_CONTROL (0x200) 346 347 #define SM501_DC_CRT_CONTROL_TVP (1 << 15) 348 #define SM501_DC_CRT_CONTROL_CP (1 << 14) 349 #define SM501_DC_CRT_CONTROL_VSP (1 << 13) 350 #define SM501_DC_CRT_CONTROL_HSP (1 << 12) 351 #define SM501_DC_CRT_CONTROL_VS (1 << 11) 352 #define SM501_DC_CRT_CONTROL_BLANK (1 << 10) 353 #define SM501_DC_CRT_CONTROL_SEL (1 << 9) 354 #define SM501_DC_CRT_CONTROL_TE (1 << 8) 355 #define SM501_DC_CRT_CONTROL_PIXEL_MASK (0xF << 4) 356 #define SM501_DC_CRT_CONTROL_GAMMA (1 << 3) 357 #define SM501_DC_CRT_CONTROL_ENABLE (1 << 2) 358 359 #define SM501_DC_CRT_CONTROL_8BPP (0 << 0) 360 #define SM501_DC_CRT_CONTROL_16BPP (1 << 0) 361 #define SM501_DC_CRT_CONTROL_32BPP (2 << 0) 362 363 #define SM501_DC_CRT_FB_ADDR (0x204) 364 #define SM501_DC_CRT_FB_OFFSET (0x208) 365 #define SM501_DC_CRT_H_TOT (0x20C) 366 #define SM501_DC_CRT_H_SYNC (0x210) 367 #define SM501_DC_CRT_V_TOT (0x214) 368 #define SM501_DC_CRT_V_SYNC (0x218) 369 #define SM501_DC_CRT_SIGNATURE_ANALYZER (0x21C) 370 #define SM501_DC_CRT_CUR_LINE (0x220) 371 #define SM501_DC_CRT_MONITOR_DETECT (0x224) 372 373 #define SM501_DC_CRT_HWC_BASE (0x230) 374 #define SM501_DC_CRT_HWC_ADDR (0x230) 375 #define SM501_DC_CRT_HWC_LOC (0x234) 376 #define SM501_DC_CRT_HWC_COLOR_1_2 (0x238) 377 #define SM501_DC_CRT_HWC_COLOR_3 (0x23C) 378 379 #define SM501_DC_PANEL_PALETTE (0x400) 380 381 #define SM501_DC_VIDEO_PALETTE (0x800) 382 383 #define SM501_DC_CRT_PALETTE (0xC00) 384 385 /* Zoom Video port base */ 386 #define SM501_ZVPORT (0x090000) 387 388 /* AC97/I2S base */ 389 #define SM501_AC97 (0x0A0000) 390 391 /* 8051 micro controller base */ 392 #define SM501_UCONTROLLER (0x0B0000) 393 394 /* 8051 micro controller SRAM base */ 395 #define SM501_UCONTROLLER_SRAM (0x0C0000) 396 397 /* DMA base */ 398 #define SM501_DMA (0x0D0000) 399 400 /* 2d engine base */ 401 #define SM501_2D_ENGINE (0x100000) 402 #define SM501_2D_SOURCE (0x00) 403 #define SM501_2D_DESTINATION (0x04) 404 #define SM501_2D_DIMENSION (0x08) 405 #define SM501_2D_CONTROL (0x0C) 406 #define SM501_2D_PITCH (0x10) 407 #define SM501_2D_FOREGROUND (0x14) 408 #define SM501_2D_BACKGROUND (0x18) 409 #define SM501_2D_STRETCH (0x1C) 410 #define SM501_2D_COLOR_COMPARE (0x20) 411 #define SM501_2D_COLOR_COMPARE_MASK (0x24) 412 #define SM501_2D_MASK (0x28) 413 #define SM501_2D_CLIP_TL (0x2C) 414 #define SM501_2D_CLIP_BR (0x30) 415 #define SM501_2D_MONO_PATTERN_LOW (0x34) 416 #define SM501_2D_MONO_PATTERN_HIGH (0x38) 417 #define SM501_2D_WINDOW_WIDTH (0x3C) 418 #define SM501_2D_SOURCE_BASE (0x40) 419 #define SM501_2D_DESTINATION_BASE (0x44) 420 #define SM501_2D_ALPHA (0x48) 421 #define SM501_2D_WRAP (0x4C) 422 #define SM501_2D_STATUS (0x50) 423 424 #define SM501_CSC_Y_SOURCE_BASE (0xC8) 425 #define SM501_CSC_CONSTANTS (0xCC) 426 #define SM501_CSC_Y_SOURCE_X (0xD0) 427 #define SM501_CSC_Y_SOURCE_Y (0xD4) 428 #define SM501_CSC_U_SOURCE_BASE (0xD8) 429 #define SM501_CSC_V_SOURCE_BASE (0xDC) 430 #define SM501_CSC_SOURCE_DIMENSION (0xE0) 431 #define SM501_CSC_SOURCE_PITCH (0xE4) 432 #define SM501_CSC_DESTINATION (0xE8) 433 #define SM501_CSC_DESTINATION_DIMENSION (0xEC) 434 #define SM501_CSC_DESTINATION_PITCH (0xF0) 435 #define SM501_CSC_SCALE_FACTOR (0xF4) 436 #define SM501_CSC_DESTINATION_BASE (0xF8) 437 #define SM501_CSC_CONTROL (0xFC) 438 439 /* 2d engine data port base */ 440 #define SM501_2D_ENGINE_DATA (0x110000) 441 442 /* end of register definitions */ 443 444 #define SM501_HWC_WIDTH (64) 445 #define SM501_HWC_HEIGHT (64) 446 447 /* SM501 local memory size taken from "linux/drivers/mfd/sm501.c" */ 448 static const uint32_t sm501_mem_local_size[] = { 449 [0] = 4 * MiB, 450 [1] = 8 * MiB, 451 [2] = 16 * MiB, 452 [3] = 32 * MiB, 453 [4] = 64 * MiB, 454 [5] = 2 * MiB, 455 }; 456 #define get_local_mem_size(s) sm501_mem_local_size[(s)->local_mem_size_index] 457 458 typedef struct SM501State { 459 /* graphic console status */ 460 QemuConsole *con; 461 462 /* status & internal resources */ 463 uint32_t local_mem_size_index; 464 uint8_t *local_mem; 465 MemoryRegion local_mem_region; 466 MemoryRegion mmio_region; 467 MemoryRegion system_config_region; 468 MemoryRegion i2c_region; 469 MemoryRegion disp_ctrl_region; 470 MemoryRegion twoD_engine_region; 471 uint32_t last_width; 472 uint32_t last_height; 473 bool do_full_update; /* perform a full update next time */ 474 I2CBus *i2c_bus; 475 476 /* mmio registers */ 477 uint32_t system_control; 478 uint32_t misc_control; 479 uint32_t gpio_31_0_control; 480 uint32_t gpio_63_32_control; 481 uint32_t dram_control; 482 uint32_t arbitration_control; 483 uint32_t irq_mask; 484 uint32_t misc_timing; 485 uint32_t power_mode_control; 486 487 uint8_t i2c_byte_count; 488 uint8_t i2c_status; 489 uint8_t i2c_addr; 490 uint8_t i2c_data[16]; 491 492 uint32_t uart0_ier; 493 uint32_t uart0_lcr; 494 uint32_t uart0_mcr; 495 uint32_t uart0_scr; 496 497 uint8_t dc_palette[DC_PALETTE_ENTRIES]; 498 499 uint32_t dc_panel_control; 500 uint32_t dc_panel_panning_control; 501 uint32_t dc_panel_fb_addr; 502 uint32_t dc_panel_fb_offset; 503 uint32_t dc_panel_fb_width; 504 uint32_t dc_panel_fb_height; 505 uint32_t dc_panel_tl_location; 506 uint32_t dc_panel_br_location; 507 uint32_t dc_panel_h_total; 508 uint32_t dc_panel_h_sync; 509 uint32_t dc_panel_v_total; 510 uint32_t dc_panel_v_sync; 511 512 uint32_t dc_panel_hwc_addr; 513 uint32_t dc_panel_hwc_location; 514 uint32_t dc_panel_hwc_color_1_2; 515 uint32_t dc_panel_hwc_color_3; 516 517 uint32_t dc_video_control; 518 519 uint32_t dc_crt_control; 520 uint32_t dc_crt_fb_addr; 521 uint32_t dc_crt_fb_offset; 522 uint32_t dc_crt_h_total; 523 uint32_t dc_crt_h_sync; 524 uint32_t dc_crt_v_total; 525 uint32_t dc_crt_v_sync; 526 527 uint32_t dc_crt_hwc_addr; 528 uint32_t dc_crt_hwc_location; 529 uint32_t dc_crt_hwc_color_1_2; 530 uint32_t dc_crt_hwc_color_3; 531 532 uint32_t twoD_source; 533 uint32_t twoD_destination; 534 uint32_t twoD_dimension; 535 uint32_t twoD_control; 536 uint32_t twoD_pitch; 537 uint32_t twoD_foreground; 538 uint32_t twoD_background; 539 uint32_t twoD_stretch; 540 uint32_t twoD_color_compare; 541 uint32_t twoD_color_compare_mask; 542 uint32_t twoD_mask; 543 uint32_t twoD_clip_tl; 544 uint32_t twoD_clip_br; 545 uint32_t twoD_mono_pattern_low; 546 uint32_t twoD_mono_pattern_high; 547 uint32_t twoD_window_width; 548 uint32_t twoD_source_base; 549 uint32_t twoD_destination_base; 550 uint32_t twoD_alpha; 551 uint32_t twoD_wrap; 552 } SM501State; 553 554 static uint32_t get_local_mem_size_index(uint32_t size) 555 { 556 uint32_t norm_size = 0; 557 int i, index = 0; 558 559 for (i = 0; i < ARRAY_SIZE(sm501_mem_local_size); i++) { 560 uint32_t new_size = sm501_mem_local_size[i]; 561 if (new_size >= size) { 562 if (norm_size == 0 || norm_size > new_size) { 563 norm_size = new_size; 564 index = i; 565 } 566 } 567 } 568 569 return index; 570 } 571 572 static ram_addr_t get_fb_addr(SM501State *s, int crt) 573 { 574 return (crt ? s->dc_crt_fb_addr : s->dc_panel_fb_addr) & 0x3FFFFF0; 575 } 576 577 static inline int get_width(SM501State *s, int crt) 578 { 579 int width = crt ? s->dc_crt_h_total : s->dc_panel_h_total; 580 return (width & 0x00000FFF) + 1; 581 } 582 583 static inline int get_height(SM501State *s, int crt) 584 { 585 int height = crt ? s->dc_crt_v_total : s->dc_panel_v_total; 586 return (height & 0x00000FFF) + 1; 587 } 588 589 static inline int get_bpp(SM501State *s, int crt) 590 { 591 int bpp = crt ? s->dc_crt_control : s->dc_panel_control; 592 return 1 << (bpp & 3); 593 } 594 595 /** 596 * Check the availability of hardware cursor. 597 * @param crt 0 for PANEL, 1 for CRT. 598 */ 599 static inline int is_hwc_enabled(SM501State *state, int crt) 600 { 601 uint32_t addr = crt ? state->dc_crt_hwc_addr : state->dc_panel_hwc_addr; 602 return addr & SM501_HWC_EN; 603 } 604 605 /** 606 * Get the address which holds cursor pattern data. 607 * @param crt 0 for PANEL, 1 for CRT. 608 */ 609 static inline uint8_t *get_hwc_address(SM501State *state, int crt) 610 { 611 uint32_t addr = crt ? state->dc_crt_hwc_addr : state->dc_panel_hwc_addr; 612 return state->local_mem + (addr & 0x03FFFFF0); 613 } 614 615 /** 616 * Get the cursor position in y coordinate. 617 * @param crt 0 for PANEL, 1 for CRT. 618 */ 619 static inline uint32_t get_hwc_y(SM501State *state, int crt) 620 { 621 uint32_t location = crt ? state->dc_crt_hwc_location 622 : state->dc_panel_hwc_location; 623 return (location & 0x07FF0000) >> 16; 624 } 625 626 /** 627 * Get the cursor position in x coordinate. 628 * @param crt 0 for PANEL, 1 for CRT. 629 */ 630 static inline uint32_t get_hwc_x(SM501State *state, int crt) 631 { 632 uint32_t location = crt ? state->dc_crt_hwc_location 633 : state->dc_panel_hwc_location; 634 return location & 0x000007FF; 635 } 636 637 /** 638 * Get the hardware cursor palette. 639 * @param crt 0 for PANEL, 1 for CRT. 640 * @param palette pointer to a [3 * 3] array to store color values in 641 */ 642 static inline void get_hwc_palette(SM501State *state, int crt, uint8_t *palette) 643 { 644 int i; 645 uint32_t color_reg; 646 uint16_t rgb565; 647 648 for (i = 0; i < 3; i++) { 649 if (i + 1 == 3) { 650 color_reg = crt ? state->dc_crt_hwc_color_3 651 : state->dc_panel_hwc_color_3; 652 } else { 653 color_reg = crt ? state->dc_crt_hwc_color_1_2 654 : state->dc_panel_hwc_color_1_2; 655 } 656 657 if (i + 1 == 2) { 658 rgb565 = (color_reg >> 16) & 0xFFFF; 659 } else { 660 rgb565 = color_reg & 0xFFFF; 661 } 662 palette[i * 3 + 0] = ((rgb565 >> 11) * 527 + 23) >> 6; /* r */ 663 palette[i * 3 + 1] = (((rgb565 >> 5) & 0x3f) * 259 + 33) >> 6; /* g */ 664 palette[i * 3 + 2] = ((rgb565 & 0x1f) * 527 + 23) >> 6; /* b */ 665 } 666 } 667 668 static inline void hwc_invalidate(SM501State *s, int crt) 669 { 670 int w = get_width(s, crt); 671 int h = get_height(s, crt); 672 int bpp = get_bpp(s, crt); 673 int start = get_hwc_y(s, crt); 674 int end = MIN(h, start + SM501_HWC_HEIGHT) + 1; 675 676 start *= w * bpp; 677 end *= w * bpp; 678 679 memory_region_set_dirty(&s->local_mem_region, 680 get_fb_addr(s, crt) + start, end - start); 681 } 682 683 static void sm501_2d_operation(SM501State *s) 684 { 685 int cmd = (s->twoD_control >> 16) & 0x1F; 686 int rtl = s->twoD_control & BIT(27); 687 int format = (s->twoD_stretch >> 20) & 0x3; 688 int rop_mode = (s->twoD_control >> 15) & 0x1; /* 1 for rop2, else rop3 */ 689 /* 1 if rop2 source is the pattern, otherwise the source is the bitmap */ 690 int rop2_source_is_pattern = (s->twoD_control >> 14) & 0x1; 691 int rop = s->twoD_control & 0xFF; 692 unsigned int dst_x = (s->twoD_destination >> 16) & 0x01FFF; 693 unsigned int dst_y = s->twoD_destination & 0xFFFF; 694 unsigned int width = (s->twoD_dimension >> 16) & 0x1FFF; 695 unsigned int height = s->twoD_dimension & 0xFFFF; 696 uint32_t dst_base = s->twoD_destination_base & 0x03FFFFFF; 697 unsigned int dst_pitch = (s->twoD_pitch >> 16) & 0x1FFF; 698 int crt = (s->dc_crt_control & SM501_DC_CRT_CONTROL_SEL) ? 1 : 0; 699 int fb_len = get_width(s, crt) * get_height(s, crt) * get_bpp(s, crt); 700 701 if ((s->twoD_stretch >> 16) & 0xF) { 702 qemu_log_mask(LOG_UNIMP, "sm501: only XY addressing is supported.\n"); 703 return; 704 } 705 706 if (s->twoD_source_base & BIT(27) || s->twoD_destination_base & BIT(27)) { 707 qemu_log_mask(LOG_UNIMP, "sm501: only local memory is supported.\n"); 708 return; 709 } 710 711 if (!dst_pitch) { 712 qemu_log_mask(LOG_GUEST_ERROR, "sm501: Zero dest pitch.\n"); 713 return; 714 } 715 716 if (!width || !height) { 717 qemu_log_mask(LOG_GUEST_ERROR, "sm501: Zero size 2D op.\n"); 718 return; 719 } 720 721 if (rtl) { 722 dst_x -= width - 1; 723 dst_y -= height - 1; 724 } 725 726 if (dst_base >= get_local_mem_size(s) || dst_base + 727 (dst_x + width + (dst_y + height) * (dst_pitch + width)) * 728 (1 << format) >= get_local_mem_size(s)) { 729 qemu_log_mask(LOG_GUEST_ERROR, "sm501: 2D op dest is outside vram.\n"); 730 return; 731 } 732 733 switch (cmd) { 734 case 0: /* BitBlt */ 735 { 736 static uint32_t tmp_buf[16384]; 737 unsigned int src_x = (s->twoD_source >> 16) & 0x01FFF; 738 unsigned int src_y = s->twoD_source & 0xFFFF; 739 uint32_t src_base = s->twoD_source_base & 0x03FFFFFF; 740 unsigned int src_pitch = s->twoD_pitch & 0x1FFF; 741 742 if (!src_pitch) { 743 qemu_log_mask(LOG_GUEST_ERROR, "sm501: Zero src pitch.\n"); 744 return; 745 } 746 747 if (rtl) { 748 src_x -= width - 1; 749 src_y -= height - 1; 750 } 751 752 if (src_base >= get_local_mem_size(s) || src_base + 753 (src_x + width + (src_y + height) * (src_pitch + width)) * 754 (1 << format) >= get_local_mem_size(s)) { 755 qemu_log_mask(LOG_GUEST_ERROR, 756 "sm501: 2D op src is outside vram.\n"); 757 return; 758 } 759 760 if ((rop_mode && rop == 0x5) || (!rop_mode && rop == 0x55)) { 761 /* Invert dest, is there a way to do this with pixman? */ 762 unsigned int x, y, i; 763 uint8_t *d = s->local_mem + dst_base; 764 765 for (y = 0; y < height; y++) { 766 i = (dst_x + (dst_y + y) * dst_pitch) * (1 << format); 767 for (x = 0; x < width; x++, i += (1 << format)) { 768 switch (format) { 769 case 0: 770 d[i] = ~d[i]; 771 break; 772 case 1: 773 *(uint16_t *)&d[i] = ~*(uint16_t *)&d[i]; 774 break; 775 case 2: 776 *(uint32_t *)&d[i] = ~*(uint32_t *)&d[i]; 777 break; 778 } 779 } 780 } 781 } else { 782 /* Do copy src for unimplemented ops, better than unpainted area */ 783 if ((rop_mode && (rop != 0xc || rop2_source_is_pattern)) || 784 (!rop_mode && rop != 0xcc)) { 785 qemu_log_mask(LOG_UNIMP, 786 "sm501: rop%d op %x%s not implemented\n", 787 (rop_mode ? 2 : 3), rop, 788 (rop2_source_is_pattern ? 789 " with pattern source" : "")); 790 } 791 /* Check for overlaps, this could be made more exact */ 792 uint32_t sb, se, db, de; 793 sb = src_base + src_x + src_y * (width + src_pitch); 794 se = sb + width + height * (width + src_pitch); 795 db = dst_base + dst_x + dst_y * (width + dst_pitch); 796 de = db + width + height * (width + dst_pitch); 797 if (rtl && ((db >= sb && db <= se) || (de >= sb && de <= se))) { 798 /* regions may overlap: copy via temporary */ 799 int free_buf = 0, llb = width * (1 << format); 800 int tmp_stride = DIV_ROUND_UP(llb, sizeof(uint32_t)); 801 uint32_t *tmp = tmp_buf; 802 803 if (tmp_stride * sizeof(uint32_t) * height > sizeof(tmp_buf)) { 804 tmp = g_malloc(tmp_stride * sizeof(uint32_t) * height); 805 free_buf = 1; 806 } 807 pixman_blt((uint32_t *)&s->local_mem[src_base], tmp, 808 src_pitch * (1 << format) / sizeof(uint32_t), 809 tmp_stride, 8 * (1 << format), 8 * (1 << format), 810 src_x, src_y, 0, 0, width, height); 811 pixman_blt(tmp, (uint32_t *)&s->local_mem[dst_base], 812 tmp_stride, 813 dst_pitch * (1 << format) / sizeof(uint32_t), 814 8 * (1 << format), 8 * (1 << format), 815 0, 0, dst_x, dst_y, width, height); 816 if (free_buf) { 817 g_free(tmp); 818 } 819 } else { 820 pixman_blt((uint32_t *)&s->local_mem[src_base], 821 (uint32_t *)&s->local_mem[dst_base], 822 src_pitch * (1 << format) / sizeof(uint32_t), 823 dst_pitch * (1 << format) / sizeof(uint32_t), 824 8 * (1 << format), 8 * (1 << format), 825 src_x, src_y, dst_x, dst_y, width, height); 826 } 827 } 828 break; 829 } 830 case 1: /* Rectangle Fill */ 831 { 832 uint32_t color = s->twoD_foreground; 833 834 if (format == 2) { 835 color = cpu_to_le32(color); 836 } else if (format == 1) { 837 color = cpu_to_le16(color); 838 } 839 840 pixman_fill((uint32_t *)&s->local_mem[dst_base], 841 dst_pitch * (1 << format) / sizeof(uint32_t), 842 8 * (1 << format), dst_x, dst_y, width, height, color); 843 break; 844 } 845 default: 846 qemu_log_mask(LOG_UNIMP, "sm501: not implemented 2D operation: %d\n", 847 cmd); 848 return; 849 } 850 851 if (dst_base >= get_fb_addr(s, crt) && 852 dst_base <= get_fb_addr(s, crt) + fb_len) { 853 int dst_len = MIN(fb_len, ((dst_y + height - 1) * dst_pitch + 854 dst_x + width) * (1 << format)); 855 if (dst_len) { 856 memory_region_set_dirty(&s->local_mem_region, dst_base, dst_len); 857 } 858 } 859 } 860 861 static uint64_t sm501_system_config_read(void *opaque, hwaddr addr, 862 unsigned size) 863 { 864 SM501State *s = (SM501State *)opaque; 865 uint32_t ret = 0; 866 SM501_DPRINTF("sm501 system config regs : read addr=%x\n", (int)addr); 867 868 switch (addr) { 869 case SM501_SYSTEM_CONTROL: 870 ret = s->system_control; 871 break; 872 case SM501_MISC_CONTROL: 873 ret = s->misc_control; 874 break; 875 case SM501_GPIO31_0_CONTROL: 876 ret = s->gpio_31_0_control; 877 break; 878 case SM501_GPIO63_32_CONTROL: 879 ret = s->gpio_63_32_control; 880 break; 881 case SM501_DEVICEID: 882 ret = 0x050100A0; 883 break; 884 case SM501_DRAM_CONTROL: 885 ret = (s->dram_control & 0x07F107C0) | s->local_mem_size_index << 13; 886 break; 887 case SM501_ARBTRTN_CONTROL: 888 ret = s->arbitration_control; 889 break; 890 case SM501_COMMAND_LIST_STATUS: 891 ret = 0x00180002; /* FIFOs are empty, everything idle */ 892 break; 893 case SM501_IRQ_MASK: 894 ret = s->irq_mask; 895 break; 896 case SM501_MISC_TIMING: 897 /* TODO : simulate gate control */ 898 ret = s->misc_timing; 899 break; 900 case SM501_CURRENT_GATE: 901 /* TODO : simulate gate control */ 902 ret = 0x00021807; 903 break; 904 case SM501_CURRENT_CLOCK: 905 ret = 0x2A1A0A09; 906 break; 907 case SM501_POWER_MODE_CONTROL: 908 ret = s->power_mode_control; 909 break; 910 case SM501_ENDIAN_CONTROL: 911 ret = 0; /* Only default little endian mode is supported */ 912 break; 913 914 default: 915 qemu_log_mask(LOG_UNIMP, "sm501: not implemented system config" 916 "register read. addr=%" HWADDR_PRIx "\n", addr); 917 } 918 919 return ret; 920 } 921 922 static void sm501_system_config_write(void *opaque, hwaddr addr, 923 uint64_t value, unsigned size) 924 { 925 SM501State *s = (SM501State *)opaque; 926 SM501_DPRINTF("sm501 system config regs : write addr=%x, val=%x\n", 927 (uint32_t)addr, (uint32_t)value); 928 929 switch (addr) { 930 case SM501_SYSTEM_CONTROL: 931 s->system_control &= 0x10DB0000; 932 s->system_control |= value & 0xEF00B8F7; 933 break; 934 case SM501_MISC_CONTROL: 935 s->misc_control &= 0xEF; 936 s->misc_control |= value & 0xFF7FFF10; 937 break; 938 case SM501_GPIO31_0_CONTROL: 939 s->gpio_31_0_control = value; 940 break; 941 case SM501_GPIO63_32_CONTROL: 942 s->gpio_63_32_control = value & 0xFF80FFFF; 943 break; 944 case SM501_DRAM_CONTROL: 945 s->local_mem_size_index = (value >> 13) & 0x7; 946 /* TODO : check validity of size change */ 947 s->dram_control &= 0x80000000; 948 s->dram_control |= value & 0x7FFFFFC3; 949 break; 950 case SM501_ARBTRTN_CONTROL: 951 s->arbitration_control = value & 0x37777777; 952 break; 953 case SM501_IRQ_MASK: 954 s->irq_mask = value & 0xFFDF3F5F; 955 break; 956 case SM501_MISC_TIMING: 957 s->misc_timing = value & 0xF31F1FFF; 958 break; 959 case SM501_POWER_MODE_0_GATE: 960 case SM501_POWER_MODE_1_GATE: 961 case SM501_POWER_MODE_0_CLOCK: 962 case SM501_POWER_MODE_1_CLOCK: 963 /* TODO : simulate gate & clock control */ 964 break; 965 case SM501_POWER_MODE_CONTROL: 966 s->power_mode_control = value & 0x00000003; 967 break; 968 case SM501_ENDIAN_CONTROL: 969 if (value & 0x00000001) { 970 qemu_log_mask(LOG_UNIMP, "sm501: system config big endian mode not" 971 " implemented.\n"); 972 } 973 break; 974 975 default: 976 qemu_log_mask(LOG_UNIMP, "sm501: not implemented system config" 977 "register write. addr=%" HWADDR_PRIx 978 ", val=%" PRIx64 "\n", addr, value); 979 } 980 } 981 982 static const MemoryRegionOps sm501_system_config_ops = { 983 .read = sm501_system_config_read, 984 .write = sm501_system_config_write, 985 .valid = { 986 .min_access_size = 4, 987 .max_access_size = 4, 988 }, 989 .endianness = DEVICE_LITTLE_ENDIAN, 990 }; 991 992 static uint64_t sm501_i2c_read(void *opaque, hwaddr addr, unsigned size) 993 { 994 SM501State *s = (SM501State *)opaque; 995 uint8_t ret = 0; 996 997 switch (addr) { 998 case SM501_I2C_BYTE_COUNT: 999 ret = s->i2c_byte_count; 1000 break; 1001 case SM501_I2C_STATUS: 1002 ret = s->i2c_status; 1003 break; 1004 case SM501_I2C_SLAVE_ADDRESS: 1005 ret = s->i2c_addr; 1006 break; 1007 case SM501_I2C_DATA ... SM501_I2C_DATA + 15: 1008 ret = s->i2c_data[addr - SM501_I2C_DATA]; 1009 break; 1010 default: 1011 qemu_log_mask(LOG_UNIMP, "sm501 i2c : not implemented register read." 1012 " addr=0x%" HWADDR_PRIx "\n", addr); 1013 } 1014 1015 SM501_DPRINTF("sm501 i2c regs : read addr=%" HWADDR_PRIx " val=%x\n", 1016 addr, ret); 1017 return ret; 1018 } 1019 1020 static void sm501_i2c_write(void *opaque, hwaddr addr, uint64_t value, 1021 unsigned size) 1022 { 1023 SM501State *s = (SM501State *)opaque; 1024 SM501_DPRINTF("sm501 i2c regs : write addr=%" HWADDR_PRIx 1025 " val=%" PRIx64 "\n", addr, value); 1026 1027 switch (addr) { 1028 case SM501_I2C_BYTE_COUNT: 1029 s->i2c_byte_count = value & 0xf; 1030 break; 1031 case SM501_I2C_CONTROL: 1032 if (value & SM501_I2C_CONTROL_ENABLE) { 1033 if (value & SM501_I2C_CONTROL_START) { 1034 int res = i2c_start_transfer(s->i2c_bus, 1035 s->i2c_addr >> 1, 1036 s->i2c_addr & 1); 1037 s->i2c_status |= (res ? SM501_I2C_STATUS_ERROR : 0); 1038 if (!res) { 1039 int i; 1040 SM501_DPRINTF("sm501 i2c : transferring %d bytes to 0x%x\n", 1041 s->i2c_byte_count + 1, s->i2c_addr >> 1); 1042 for (i = 0; i <= s->i2c_byte_count; i++) { 1043 res = i2c_send_recv(s->i2c_bus, &s->i2c_data[i], 1044 !(s->i2c_addr & 1)); 1045 if (res) { 1046 SM501_DPRINTF("sm501 i2c : transfer failed" 1047 " i=%d, res=%d\n", i, res); 1048 s->i2c_status |= SM501_I2C_STATUS_ERROR; 1049 return; 1050 } 1051 } 1052 if (i) { 1053 SM501_DPRINTF("sm501 i2c : transferred %d bytes\n", i); 1054 s->i2c_status = SM501_I2C_STATUS_COMPLETE; 1055 } 1056 } 1057 } else { 1058 SM501_DPRINTF("sm501 i2c : end transfer\n"); 1059 i2c_end_transfer(s->i2c_bus); 1060 s->i2c_status &= ~SM501_I2C_STATUS_ERROR; 1061 } 1062 } 1063 break; 1064 case SM501_I2C_RESET: 1065 if ((value & SM501_I2C_RESET_ERROR) == 0) { 1066 s->i2c_status &= ~SM501_I2C_STATUS_ERROR; 1067 } 1068 break; 1069 case SM501_I2C_SLAVE_ADDRESS: 1070 s->i2c_addr = value & 0xff; 1071 break; 1072 case SM501_I2C_DATA ... SM501_I2C_DATA + 15: 1073 s->i2c_data[addr - SM501_I2C_DATA] = value & 0xff; 1074 break; 1075 default: 1076 qemu_log_mask(LOG_UNIMP, "sm501 i2c : not implemented register write. " 1077 "addr=0x%" HWADDR_PRIx " val=%" PRIx64 "\n", addr, value); 1078 } 1079 } 1080 1081 static const MemoryRegionOps sm501_i2c_ops = { 1082 .read = sm501_i2c_read, 1083 .write = sm501_i2c_write, 1084 .valid = { 1085 .min_access_size = 1, 1086 .max_access_size = 1, 1087 }, 1088 .impl = { 1089 .min_access_size = 1, 1090 .max_access_size = 1, 1091 }, 1092 .endianness = DEVICE_LITTLE_ENDIAN, 1093 }; 1094 1095 static uint32_t sm501_palette_read(void *opaque, hwaddr addr) 1096 { 1097 SM501State *s = (SM501State *)opaque; 1098 SM501_DPRINTF("sm501 palette read addr=%x\n", (int)addr); 1099 1100 /* TODO : consider BYTE/WORD access */ 1101 /* TODO : consider endian */ 1102 1103 assert(range_covers_byte(0, 0x400 * 3, addr)); 1104 return *(uint32_t *)&s->dc_palette[addr]; 1105 } 1106 1107 static void sm501_palette_write(void *opaque, hwaddr addr, 1108 uint32_t value) 1109 { 1110 SM501State *s = (SM501State *)opaque; 1111 SM501_DPRINTF("sm501 palette write addr=%x, val=%x\n", 1112 (int)addr, value); 1113 1114 /* TODO : consider BYTE/WORD access */ 1115 /* TODO : consider endian */ 1116 1117 assert(range_covers_byte(0, 0x400 * 3, addr)); 1118 *(uint32_t *)&s->dc_palette[addr] = value; 1119 s->do_full_update = true; 1120 } 1121 1122 static uint64_t sm501_disp_ctrl_read(void *opaque, hwaddr addr, 1123 unsigned size) 1124 { 1125 SM501State *s = (SM501State *)opaque; 1126 uint32_t ret = 0; 1127 SM501_DPRINTF("sm501 disp ctrl regs : read addr=%x\n", (int)addr); 1128 1129 switch (addr) { 1130 1131 case SM501_DC_PANEL_CONTROL: 1132 ret = s->dc_panel_control; 1133 break; 1134 case SM501_DC_PANEL_PANNING_CONTROL: 1135 ret = s->dc_panel_panning_control; 1136 break; 1137 case SM501_DC_PANEL_COLOR_KEY: 1138 /* Not implemented yet */ 1139 break; 1140 case SM501_DC_PANEL_FB_ADDR: 1141 ret = s->dc_panel_fb_addr; 1142 break; 1143 case SM501_DC_PANEL_FB_OFFSET: 1144 ret = s->dc_panel_fb_offset; 1145 break; 1146 case SM501_DC_PANEL_FB_WIDTH: 1147 ret = s->dc_panel_fb_width; 1148 break; 1149 case SM501_DC_PANEL_FB_HEIGHT: 1150 ret = s->dc_panel_fb_height; 1151 break; 1152 case SM501_DC_PANEL_TL_LOC: 1153 ret = s->dc_panel_tl_location; 1154 break; 1155 case SM501_DC_PANEL_BR_LOC: 1156 ret = s->dc_panel_br_location; 1157 break; 1158 1159 case SM501_DC_PANEL_H_TOT: 1160 ret = s->dc_panel_h_total; 1161 break; 1162 case SM501_DC_PANEL_H_SYNC: 1163 ret = s->dc_panel_h_sync; 1164 break; 1165 case SM501_DC_PANEL_V_TOT: 1166 ret = s->dc_panel_v_total; 1167 break; 1168 case SM501_DC_PANEL_V_SYNC: 1169 ret = s->dc_panel_v_sync; 1170 break; 1171 1172 case SM501_DC_PANEL_HWC_ADDR: 1173 ret = s->dc_panel_hwc_addr; 1174 break; 1175 case SM501_DC_PANEL_HWC_LOC: 1176 ret = s->dc_panel_hwc_location; 1177 break; 1178 case SM501_DC_PANEL_HWC_COLOR_1_2: 1179 ret = s->dc_panel_hwc_color_1_2; 1180 break; 1181 case SM501_DC_PANEL_HWC_COLOR_3: 1182 ret = s->dc_panel_hwc_color_3; 1183 break; 1184 1185 case SM501_DC_VIDEO_CONTROL: 1186 ret = s->dc_video_control; 1187 break; 1188 1189 case SM501_DC_CRT_CONTROL: 1190 ret = s->dc_crt_control; 1191 break; 1192 case SM501_DC_CRT_FB_ADDR: 1193 ret = s->dc_crt_fb_addr; 1194 break; 1195 case SM501_DC_CRT_FB_OFFSET: 1196 ret = s->dc_crt_fb_offset; 1197 break; 1198 case SM501_DC_CRT_H_TOT: 1199 ret = s->dc_crt_h_total; 1200 break; 1201 case SM501_DC_CRT_H_SYNC: 1202 ret = s->dc_crt_h_sync; 1203 break; 1204 case SM501_DC_CRT_V_TOT: 1205 ret = s->dc_crt_v_total; 1206 break; 1207 case SM501_DC_CRT_V_SYNC: 1208 ret = s->dc_crt_v_sync; 1209 break; 1210 1211 case SM501_DC_CRT_HWC_ADDR: 1212 ret = s->dc_crt_hwc_addr; 1213 break; 1214 case SM501_DC_CRT_HWC_LOC: 1215 ret = s->dc_crt_hwc_location; 1216 break; 1217 case SM501_DC_CRT_HWC_COLOR_1_2: 1218 ret = s->dc_crt_hwc_color_1_2; 1219 break; 1220 case SM501_DC_CRT_HWC_COLOR_3: 1221 ret = s->dc_crt_hwc_color_3; 1222 break; 1223 1224 case SM501_DC_PANEL_PALETTE ... SM501_DC_PANEL_PALETTE + 0x400 * 3 - 4: 1225 ret = sm501_palette_read(opaque, addr - SM501_DC_PANEL_PALETTE); 1226 break; 1227 1228 default: 1229 qemu_log_mask(LOG_UNIMP, "sm501: not implemented disp ctrl register " 1230 "read. addr=%" HWADDR_PRIx "\n", addr); 1231 } 1232 1233 return ret; 1234 } 1235 1236 static void sm501_disp_ctrl_write(void *opaque, hwaddr addr, 1237 uint64_t value, unsigned size) 1238 { 1239 SM501State *s = (SM501State *)opaque; 1240 SM501_DPRINTF("sm501 disp ctrl regs : write addr=%x, val=%x\n", 1241 (unsigned)addr, (unsigned)value); 1242 1243 switch (addr) { 1244 case SM501_DC_PANEL_CONTROL: 1245 s->dc_panel_control = value & 0x0FFF73FF; 1246 break; 1247 case SM501_DC_PANEL_PANNING_CONTROL: 1248 s->dc_panel_panning_control = value & 0xFF3FFF3F; 1249 break; 1250 case SM501_DC_PANEL_COLOR_KEY: 1251 /* Not implemented yet */ 1252 break; 1253 case SM501_DC_PANEL_FB_ADDR: 1254 s->dc_panel_fb_addr = value & 0x8FFFFFF0; 1255 if (value & 0x8000000) { 1256 qemu_log_mask(LOG_UNIMP, "Panel external memory not supported\n"); 1257 } 1258 s->do_full_update = true; 1259 break; 1260 case SM501_DC_PANEL_FB_OFFSET: 1261 s->dc_panel_fb_offset = value & 0x3FF03FF0; 1262 break; 1263 case SM501_DC_PANEL_FB_WIDTH: 1264 s->dc_panel_fb_width = value & 0x0FFF0FFF; 1265 break; 1266 case SM501_DC_PANEL_FB_HEIGHT: 1267 s->dc_panel_fb_height = value & 0x0FFF0FFF; 1268 break; 1269 case SM501_DC_PANEL_TL_LOC: 1270 s->dc_panel_tl_location = value & 0x07FF07FF; 1271 break; 1272 case SM501_DC_PANEL_BR_LOC: 1273 s->dc_panel_br_location = value & 0x07FF07FF; 1274 break; 1275 1276 case SM501_DC_PANEL_H_TOT: 1277 s->dc_panel_h_total = value & 0x0FFF0FFF; 1278 break; 1279 case SM501_DC_PANEL_H_SYNC: 1280 s->dc_panel_h_sync = value & 0x00FF0FFF; 1281 break; 1282 case SM501_DC_PANEL_V_TOT: 1283 s->dc_panel_v_total = value & 0x0FFF0FFF; 1284 break; 1285 case SM501_DC_PANEL_V_SYNC: 1286 s->dc_panel_v_sync = value & 0x003F0FFF; 1287 break; 1288 1289 case SM501_DC_PANEL_HWC_ADDR: 1290 value &= 0x8FFFFFF0; 1291 if (value != s->dc_panel_hwc_addr) { 1292 hwc_invalidate(s, 0); 1293 s->dc_panel_hwc_addr = value; 1294 } 1295 break; 1296 case SM501_DC_PANEL_HWC_LOC: 1297 value &= 0x0FFF0FFF; 1298 if (value != s->dc_panel_hwc_location) { 1299 hwc_invalidate(s, 0); 1300 s->dc_panel_hwc_location = value; 1301 } 1302 break; 1303 case SM501_DC_PANEL_HWC_COLOR_1_2: 1304 s->dc_panel_hwc_color_1_2 = value; 1305 break; 1306 case SM501_DC_PANEL_HWC_COLOR_3: 1307 s->dc_panel_hwc_color_3 = value & 0x0000FFFF; 1308 break; 1309 1310 case SM501_DC_VIDEO_CONTROL: 1311 s->dc_video_control = value & 0x00037FFF; 1312 break; 1313 1314 case SM501_DC_CRT_CONTROL: 1315 s->dc_crt_control = value & 0x0003FFFF; 1316 break; 1317 case SM501_DC_CRT_FB_ADDR: 1318 s->dc_crt_fb_addr = value & 0x8FFFFFF0; 1319 if (value & 0x8000000) { 1320 qemu_log_mask(LOG_UNIMP, "CRT external memory not supported\n"); 1321 } 1322 s->do_full_update = true; 1323 break; 1324 case SM501_DC_CRT_FB_OFFSET: 1325 s->dc_crt_fb_offset = value & 0x3FF03FF0; 1326 break; 1327 case SM501_DC_CRT_H_TOT: 1328 s->dc_crt_h_total = value & 0x0FFF0FFF; 1329 break; 1330 case SM501_DC_CRT_H_SYNC: 1331 s->dc_crt_h_sync = value & 0x00FF0FFF; 1332 break; 1333 case SM501_DC_CRT_V_TOT: 1334 s->dc_crt_v_total = value & 0x0FFF0FFF; 1335 break; 1336 case SM501_DC_CRT_V_SYNC: 1337 s->dc_crt_v_sync = value & 0x003F0FFF; 1338 break; 1339 1340 case SM501_DC_CRT_HWC_ADDR: 1341 value &= 0x8FFFFFF0; 1342 if (value != s->dc_crt_hwc_addr) { 1343 hwc_invalidate(s, 1); 1344 s->dc_crt_hwc_addr = value; 1345 } 1346 break; 1347 case SM501_DC_CRT_HWC_LOC: 1348 value &= 0x0FFF0FFF; 1349 if (value != s->dc_crt_hwc_location) { 1350 hwc_invalidate(s, 1); 1351 s->dc_crt_hwc_location = value; 1352 } 1353 break; 1354 case SM501_DC_CRT_HWC_COLOR_1_2: 1355 s->dc_crt_hwc_color_1_2 = value; 1356 break; 1357 case SM501_DC_CRT_HWC_COLOR_3: 1358 s->dc_crt_hwc_color_3 = value & 0x0000FFFF; 1359 break; 1360 1361 case SM501_DC_PANEL_PALETTE ... SM501_DC_PANEL_PALETTE + 0x400 * 3 - 4: 1362 sm501_palette_write(opaque, addr - SM501_DC_PANEL_PALETTE, value); 1363 break; 1364 1365 default: 1366 qemu_log_mask(LOG_UNIMP, "sm501: not implemented disp ctrl register " 1367 "write. addr=%" HWADDR_PRIx 1368 ", val=%" PRIx64 "\n", addr, value); 1369 } 1370 } 1371 1372 static const MemoryRegionOps sm501_disp_ctrl_ops = { 1373 .read = sm501_disp_ctrl_read, 1374 .write = sm501_disp_ctrl_write, 1375 .valid = { 1376 .min_access_size = 4, 1377 .max_access_size = 4, 1378 }, 1379 .endianness = DEVICE_LITTLE_ENDIAN, 1380 }; 1381 1382 static uint64_t sm501_2d_engine_read(void *opaque, hwaddr addr, 1383 unsigned size) 1384 { 1385 SM501State *s = (SM501State *)opaque; 1386 uint32_t ret = 0; 1387 SM501_DPRINTF("sm501 2d engine regs : read addr=%x\n", (int)addr); 1388 1389 switch (addr) { 1390 case SM501_2D_SOURCE: 1391 ret = s->twoD_source; 1392 break; 1393 case SM501_2D_DESTINATION: 1394 ret = s->twoD_destination; 1395 break; 1396 case SM501_2D_DIMENSION: 1397 ret = s->twoD_dimension; 1398 break; 1399 case SM501_2D_CONTROL: 1400 ret = s->twoD_control; 1401 break; 1402 case SM501_2D_PITCH: 1403 ret = s->twoD_pitch; 1404 break; 1405 case SM501_2D_FOREGROUND: 1406 ret = s->twoD_foreground; 1407 break; 1408 case SM501_2D_BACKGROUND: 1409 ret = s->twoD_background; 1410 break; 1411 case SM501_2D_STRETCH: 1412 ret = s->twoD_stretch; 1413 break; 1414 case SM501_2D_COLOR_COMPARE: 1415 ret = s->twoD_color_compare; 1416 break; 1417 case SM501_2D_COLOR_COMPARE_MASK: 1418 ret = s->twoD_color_compare_mask; 1419 break; 1420 case SM501_2D_MASK: 1421 ret = s->twoD_mask; 1422 break; 1423 case SM501_2D_CLIP_TL: 1424 ret = s->twoD_clip_tl; 1425 break; 1426 case SM501_2D_CLIP_BR: 1427 ret = s->twoD_clip_br; 1428 break; 1429 case SM501_2D_MONO_PATTERN_LOW: 1430 ret = s->twoD_mono_pattern_low; 1431 break; 1432 case SM501_2D_MONO_PATTERN_HIGH: 1433 ret = s->twoD_mono_pattern_high; 1434 break; 1435 case SM501_2D_WINDOW_WIDTH: 1436 ret = s->twoD_window_width; 1437 break; 1438 case SM501_2D_SOURCE_BASE: 1439 ret = s->twoD_source_base; 1440 break; 1441 case SM501_2D_DESTINATION_BASE: 1442 ret = s->twoD_destination_base; 1443 break; 1444 case SM501_2D_ALPHA: 1445 ret = s->twoD_alpha; 1446 break; 1447 case SM501_2D_WRAP: 1448 ret = s->twoD_wrap; 1449 break; 1450 case SM501_2D_STATUS: 1451 ret = 0; /* Should return interrupt status */ 1452 break; 1453 default: 1454 qemu_log_mask(LOG_UNIMP, "sm501: not implemented disp ctrl register " 1455 "read. addr=%" HWADDR_PRIx "\n", addr); 1456 } 1457 1458 return ret; 1459 } 1460 1461 static void sm501_2d_engine_write(void *opaque, hwaddr addr, 1462 uint64_t value, unsigned size) 1463 { 1464 SM501State *s = (SM501State *)opaque; 1465 SM501_DPRINTF("sm501 2d engine regs : write addr=%x, val=%x\n", 1466 (unsigned)addr, (unsigned)value); 1467 1468 switch (addr) { 1469 case SM501_2D_SOURCE: 1470 s->twoD_source = value; 1471 break; 1472 case SM501_2D_DESTINATION: 1473 s->twoD_destination = value; 1474 break; 1475 case SM501_2D_DIMENSION: 1476 s->twoD_dimension = value; 1477 break; 1478 case SM501_2D_CONTROL: 1479 s->twoD_control = value; 1480 1481 /* do 2d operation if start flag is set. */ 1482 if (value & 0x80000000) { 1483 sm501_2d_operation(s); 1484 s->twoD_control &= ~0x80000000; /* start flag down */ 1485 } 1486 1487 break; 1488 case SM501_2D_PITCH: 1489 s->twoD_pitch = value; 1490 break; 1491 case SM501_2D_FOREGROUND: 1492 s->twoD_foreground = value; 1493 break; 1494 case SM501_2D_BACKGROUND: 1495 s->twoD_background = value; 1496 break; 1497 case SM501_2D_STRETCH: 1498 s->twoD_stretch = value; 1499 break; 1500 case SM501_2D_COLOR_COMPARE: 1501 s->twoD_color_compare = value; 1502 break; 1503 case SM501_2D_COLOR_COMPARE_MASK: 1504 s->twoD_color_compare_mask = value; 1505 break; 1506 case SM501_2D_MASK: 1507 s->twoD_mask = value; 1508 break; 1509 case SM501_2D_CLIP_TL: 1510 s->twoD_clip_tl = value; 1511 break; 1512 case SM501_2D_CLIP_BR: 1513 s->twoD_clip_br = value; 1514 break; 1515 case SM501_2D_MONO_PATTERN_LOW: 1516 s->twoD_mono_pattern_low = value; 1517 break; 1518 case SM501_2D_MONO_PATTERN_HIGH: 1519 s->twoD_mono_pattern_high = value; 1520 break; 1521 case SM501_2D_WINDOW_WIDTH: 1522 s->twoD_window_width = value; 1523 break; 1524 case SM501_2D_SOURCE_BASE: 1525 s->twoD_source_base = value; 1526 break; 1527 case SM501_2D_DESTINATION_BASE: 1528 s->twoD_destination_base = value; 1529 break; 1530 case SM501_2D_ALPHA: 1531 s->twoD_alpha = value; 1532 break; 1533 case SM501_2D_WRAP: 1534 s->twoD_wrap = value; 1535 break; 1536 case SM501_2D_STATUS: 1537 /* ignored, writing 0 should clear interrupt status */ 1538 break; 1539 default: 1540 qemu_log_mask(LOG_UNIMP, "sm501: not implemented 2d engine register " 1541 "write. addr=%" HWADDR_PRIx 1542 ", val=%" PRIx64 "\n", addr, value); 1543 } 1544 } 1545 1546 static const MemoryRegionOps sm501_2d_engine_ops = { 1547 .read = sm501_2d_engine_read, 1548 .write = sm501_2d_engine_write, 1549 .valid = { 1550 .min_access_size = 4, 1551 .max_access_size = 4, 1552 }, 1553 .endianness = DEVICE_LITTLE_ENDIAN, 1554 }; 1555 1556 /* draw line functions for all console modes */ 1557 1558 typedef void draw_line_func(uint8_t *d, const uint8_t *s, 1559 int width, const uint32_t *pal); 1560 1561 typedef void draw_hwc_line_func(uint8_t *d, const uint8_t *s, 1562 int width, const uint8_t *palette, 1563 int c_x, int c_y); 1564 1565 #define DEPTH 8 1566 #include "sm501_template.h" 1567 1568 #define DEPTH 15 1569 #include "sm501_template.h" 1570 1571 #define BGR_FORMAT 1572 #define DEPTH 15 1573 #include "sm501_template.h" 1574 1575 #define DEPTH 16 1576 #include "sm501_template.h" 1577 1578 #define BGR_FORMAT 1579 #define DEPTH 16 1580 #include "sm501_template.h" 1581 1582 #define DEPTH 32 1583 #include "sm501_template.h" 1584 1585 #define BGR_FORMAT 1586 #define DEPTH 32 1587 #include "sm501_template.h" 1588 1589 static draw_line_func *draw_line8_funcs[] = { 1590 draw_line8_8, 1591 draw_line8_15, 1592 draw_line8_16, 1593 draw_line8_32, 1594 draw_line8_32bgr, 1595 draw_line8_15bgr, 1596 draw_line8_16bgr, 1597 }; 1598 1599 static draw_line_func *draw_line16_funcs[] = { 1600 draw_line16_8, 1601 draw_line16_15, 1602 draw_line16_16, 1603 draw_line16_32, 1604 draw_line16_32bgr, 1605 draw_line16_15bgr, 1606 draw_line16_16bgr, 1607 }; 1608 1609 static draw_line_func *draw_line32_funcs[] = { 1610 draw_line32_8, 1611 draw_line32_15, 1612 draw_line32_16, 1613 draw_line32_32, 1614 draw_line32_32bgr, 1615 draw_line32_15bgr, 1616 draw_line32_16bgr, 1617 }; 1618 1619 static draw_hwc_line_func *draw_hwc_line_funcs[] = { 1620 draw_hwc_line_8, 1621 draw_hwc_line_15, 1622 draw_hwc_line_16, 1623 draw_hwc_line_32, 1624 draw_hwc_line_32bgr, 1625 draw_hwc_line_15bgr, 1626 draw_hwc_line_16bgr, 1627 }; 1628 1629 static inline int get_depth_index(DisplaySurface *surface) 1630 { 1631 switch (surface_bits_per_pixel(surface)) { 1632 default: 1633 case 8: 1634 return 0; 1635 case 15: 1636 return 1; 1637 case 16: 1638 return 2; 1639 case 32: 1640 if (is_surface_bgr(surface)) { 1641 return 4; 1642 } else { 1643 return 3; 1644 } 1645 } 1646 } 1647 1648 static void sm501_update_display(void *opaque) 1649 { 1650 SM501State *s = (SM501State *)opaque; 1651 DisplaySurface *surface = qemu_console_surface(s->con); 1652 DirtyBitmapSnapshot *snap; 1653 int y, c_x = 0, c_y = 0; 1654 int crt = (s->dc_crt_control & SM501_DC_CRT_CONTROL_SEL) ? 1 : 0; 1655 int width = get_width(s, crt); 1656 int height = get_height(s, crt); 1657 int src_bpp = get_bpp(s, crt); 1658 int dst_bpp = surface_bytes_per_pixel(surface); 1659 int dst_depth_index = get_depth_index(surface); 1660 draw_line_func *draw_line = NULL; 1661 draw_hwc_line_func *draw_hwc_line = NULL; 1662 int full_update = 0; 1663 int y_start = -1; 1664 ram_addr_t offset; 1665 uint32_t *palette; 1666 uint8_t hwc_palette[3 * 3]; 1667 uint8_t *hwc_src = NULL; 1668 1669 if (!((crt ? s->dc_crt_control : s->dc_panel_control) 1670 & SM501_DC_CRT_CONTROL_ENABLE)) { 1671 return; 1672 } 1673 1674 palette = (uint32_t *)(crt ? &s->dc_palette[SM501_DC_CRT_PALETTE - 1675 SM501_DC_PANEL_PALETTE] 1676 : &s->dc_palette[0]); 1677 1678 /* choose draw_line function */ 1679 switch (src_bpp) { 1680 case 1: 1681 draw_line = draw_line8_funcs[dst_depth_index]; 1682 break; 1683 case 2: 1684 draw_line = draw_line16_funcs[dst_depth_index]; 1685 break; 1686 case 4: 1687 draw_line = draw_line32_funcs[dst_depth_index]; 1688 break; 1689 default: 1690 qemu_log_mask(LOG_GUEST_ERROR, "sm501: update display" 1691 "invalid control register value.\n"); 1692 return; 1693 } 1694 1695 /* set up to draw hardware cursor */ 1696 if (is_hwc_enabled(s, crt)) { 1697 /* choose cursor draw line function */ 1698 draw_hwc_line = draw_hwc_line_funcs[dst_depth_index]; 1699 hwc_src = get_hwc_address(s, crt); 1700 c_x = get_hwc_x(s, crt); 1701 c_y = get_hwc_y(s, crt); 1702 get_hwc_palette(s, crt, hwc_palette); 1703 } 1704 1705 /* adjust console size */ 1706 if (s->last_width != width || s->last_height != height) { 1707 qemu_console_resize(s->con, width, height); 1708 surface = qemu_console_surface(s->con); 1709 s->last_width = width; 1710 s->last_height = height; 1711 full_update = 1; 1712 } 1713 1714 /* someone else requested a full update */ 1715 if (s->do_full_update) { 1716 s->do_full_update = false; 1717 full_update = 1; 1718 } 1719 1720 /* draw each line according to conditions */ 1721 offset = get_fb_addr(s, crt); 1722 snap = memory_region_snapshot_and_clear_dirty(&s->local_mem_region, 1723 offset, width * height * src_bpp, DIRTY_MEMORY_VGA); 1724 for (y = 0; y < height; y++, offset += width * src_bpp) { 1725 int update, update_hwc; 1726 1727 /* check if hardware cursor is enabled and we're within its range */ 1728 update_hwc = draw_hwc_line && c_y <= y && y < c_y + SM501_HWC_HEIGHT; 1729 update = full_update || update_hwc; 1730 /* check dirty flags for each line */ 1731 update |= memory_region_snapshot_get_dirty(&s->local_mem_region, snap, 1732 offset, width * src_bpp); 1733 1734 /* draw line and change status */ 1735 if (update) { 1736 uint8_t *d = surface_data(surface); 1737 d += y * width * dst_bpp; 1738 1739 /* draw graphics layer */ 1740 draw_line(d, s->local_mem + offset, width, palette); 1741 1742 /* draw hardware cursor */ 1743 if (update_hwc) { 1744 draw_hwc_line(d, hwc_src, width, hwc_palette, c_x, y - c_y); 1745 } 1746 1747 if (y_start < 0) { 1748 y_start = y; 1749 } 1750 } else { 1751 if (y_start >= 0) { 1752 /* flush to display */ 1753 dpy_gfx_update(s->con, 0, y_start, width, y - y_start); 1754 y_start = -1; 1755 } 1756 } 1757 } 1758 g_free(snap); 1759 1760 /* complete flush to display */ 1761 if (y_start >= 0) { 1762 dpy_gfx_update(s->con, 0, y_start, width, y - y_start); 1763 } 1764 } 1765 1766 static const GraphicHwOps sm501_ops = { 1767 .gfx_update = sm501_update_display, 1768 }; 1769 1770 static void sm501_reset(SM501State *s) 1771 { 1772 s->system_control = 0x00100000; /* 2D engine FIFO empty */ 1773 /* Bits 17 (SH), 7 (CDR), 6:5 (Test), 2:0 (Bus) are all supposed 1774 * to be determined at reset by GPIO lines which set config bits. 1775 * We hardwire them: 1776 * SH = 0 : Hitachi Ready Polarity == Active Low 1777 * CDR = 0 : do not reset clock divider 1778 * TEST = 0 : Normal mode (not testing the silicon) 1779 * BUS = 0 : Hitachi SH3/SH4 1780 */ 1781 s->misc_control = SM501_MISC_DAC_POWER; 1782 s->gpio_31_0_control = 0; 1783 s->gpio_63_32_control = 0; 1784 s->dram_control = 0; 1785 s->arbitration_control = 0x05146732; 1786 s->irq_mask = 0; 1787 s->misc_timing = 0; 1788 s->power_mode_control = 0; 1789 s->i2c_byte_count = 0; 1790 s->i2c_status = 0; 1791 s->i2c_addr = 0; 1792 memset(s->i2c_data, 0, 16); 1793 s->dc_panel_control = 0x00010000; /* FIFO level 3 */ 1794 s->dc_video_control = 0; 1795 s->dc_crt_control = 0x00010000; 1796 s->twoD_source = 0; 1797 s->twoD_destination = 0; 1798 s->twoD_dimension = 0; 1799 s->twoD_control = 0; 1800 s->twoD_pitch = 0; 1801 s->twoD_foreground = 0; 1802 s->twoD_background = 0; 1803 s->twoD_stretch = 0; 1804 s->twoD_color_compare = 0; 1805 s->twoD_color_compare_mask = 0; 1806 s->twoD_mask = 0; 1807 s->twoD_clip_tl = 0; 1808 s->twoD_clip_br = 0; 1809 s->twoD_mono_pattern_low = 0; 1810 s->twoD_mono_pattern_high = 0; 1811 s->twoD_window_width = 0; 1812 s->twoD_source_base = 0; 1813 s->twoD_destination_base = 0; 1814 s->twoD_alpha = 0; 1815 s->twoD_wrap = 0; 1816 } 1817 1818 static void sm501_init(SM501State *s, DeviceState *dev, 1819 uint32_t local_mem_bytes) 1820 { 1821 s->local_mem_size_index = get_local_mem_size_index(local_mem_bytes); 1822 SM501_DPRINTF("sm501 local mem size=%x. index=%d\n", get_local_mem_size(s), 1823 s->local_mem_size_index); 1824 1825 /* local memory */ 1826 memory_region_init_ram(&s->local_mem_region, OBJECT(dev), "sm501.local", 1827 get_local_mem_size(s), &error_fatal); 1828 memory_region_set_log(&s->local_mem_region, true, DIRTY_MEMORY_VGA); 1829 s->local_mem = memory_region_get_ram_ptr(&s->local_mem_region); 1830 1831 /* i2c */ 1832 s->i2c_bus = i2c_init_bus(dev, "sm501.i2c"); 1833 /* ddc */ 1834 I2CDDCState *ddc = I2CDDC(qdev_create(BUS(s->i2c_bus), TYPE_I2CDDC)); 1835 i2c_set_slave_address(I2C_SLAVE(ddc), 0x50); 1836 1837 /* mmio */ 1838 memory_region_init(&s->mmio_region, OBJECT(dev), "sm501.mmio", MMIO_SIZE); 1839 memory_region_init_io(&s->system_config_region, OBJECT(dev), 1840 &sm501_system_config_ops, s, 1841 "sm501-system-config", 0x6c); 1842 memory_region_add_subregion(&s->mmio_region, SM501_SYS_CONFIG, 1843 &s->system_config_region); 1844 memory_region_init_io(&s->i2c_region, OBJECT(dev), &sm501_i2c_ops, s, 1845 "sm501-i2c", 0x14); 1846 memory_region_add_subregion(&s->mmio_region, SM501_I2C, &s->i2c_region); 1847 memory_region_init_io(&s->disp_ctrl_region, OBJECT(dev), 1848 &sm501_disp_ctrl_ops, s, 1849 "sm501-disp-ctrl", 0x1000); 1850 memory_region_add_subregion(&s->mmio_region, SM501_DC, 1851 &s->disp_ctrl_region); 1852 memory_region_init_io(&s->twoD_engine_region, OBJECT(dev), 1853 &sm501_2d_engine_ops, s, 1854 "sm501-2d-engine", 0x54); 1855 memory_region_add_subregion(&s->mmio_region, SM501_2D_ENGINE, 1856 &s->twoD_engine_region); 1857 1858 /* create qemu graphic console */ 1859 s->con = graphic_console_init(dev, 0, &sm501_ops, s); 1860 } 1861 1862 static const VMStateDescription vmstate_sm501_state = { 1863 .name = "sm501-state", 1864 .version_id = 1, 1865 .minimum_version_id = 1, 1866 .fields = (VMStateField[]) { 1867 VMSTATE_UINT32(local_mem_size_index, SM501State), 1868 VMSTATE_UINT32(system_control, SM501State), 1869 VMSTATE_UINT32(misc_control, SM501State), 1870 VMSTATE_UINT32(gpio_31_0_control, SM501State), 1871 VMSTATE_UINT32(gpio_63_32_control, SM501State), 1872 VMSTATE_UINT32(dram_control, SM501State), 1873 VMSTATE_UINT32(arbitration_control, SM501State), 1874 VMSTATE_UINT32(irq_mask, SM501State), 1875 VMSTATE_UINT32(misc_timing, SM501State), 1876 VMSTATE_UINT32(power_mode_control, SM501State), 1877 VMSTATE_UINT32(uart0_ier, SM501State), 1878 VMSTATE_UINT32(uart0_lcr, SM501State), 1879 VMSTATE_UINT32(uart0_mcr, SM501State), 1880 VMSTATE_UINT32(uart0_scr, SM501State), 1881 VMSTATE_UINT8_ARRAY(dc_palette, SM501State, DC_PALETTE_ENTRIES), 1882 VMSTATE_UINT32(dc_panel_control, SM501State), 1883 VMSTATE_UINT32(dc_panel_panning_control, SM501State), 1884 VMSTATE_UINT32(dc_panel_fb_addr, SM501State), 1885 VMSTATE_UINT32(dc_panel_fb_offset, SM501State), 1886 VMSTATE_UINT32(dc_panel_fb_width, SM501State), 1887 VMSTATE_UINT32(dc_panel_fb_height, SM501State), 1888 VMSTATE_UINT32(dc_panel_tl_location, SM501State), 1889 VMSTATE_UINT32(dc_panel_br_location, SM501State), 1890 VMSTATE_UINT32(dc_panel_h_total, SM501State), 1891 VMSTATE_UINT32(dc_panel_h_sync, SM501State), 1892 VMSTATE_UINT32(dc_panel_v_total, SM501State), 1893 VMSTATE_UINT32(dc_panel_v_sync, SM501State), 1894 VMSTATE_UINT32(dc_panel_hwc_addr, SM501State), 1895 VMSTATE_UINT32(dc_panel_hwc_location, SM501State), 1896 VMSTATE_UINT32(dc_panel_hwc_color_1_2, SM501State), 1897 VMSTATE_UINT32(dc_panel_hwc_color_3, SM501State), 1898 VMSTATE_UINT32(dc_video_control, SM501State), 1899 VMSTATE_UINT32(dc_crt_control, SM501State), 1900 VMSTATE_UINT32(dc_crt_fb_addr, SM501State), 1901 VMSTATE_UINT32(dc_crt_fb_offset, SM501State), 1902 VMSTATE_UINT32(dc_crt_h_total, SM501State), 1903 VMSTATE_UINT32(dc_crt_h_sync, SM501State), 1904 VMSTATE_UINT32(dc_crt_v_total, SM501State), 1905 VMSTATE_UINT32(dc_crt_v_sync, SM501State), 1906 VMSTATE_UINT32(dc_crt_hwc_addr, SM501State), 1907 VMSTATE_UINT32(dc_crt_hwc_location, SM501State), 1908 VMSTATE_UINT32(dc_crt_hwc_color_1_2, SM501State), 1909 VMSTATE_UINT32(dc_crt_hwc_color_3, SM501State), 1910 VMSTATE_UINT32(twoD_source, SM501State), 1911 VMSTATE_UINT32(twoD_destination, SM501State), 1912 VMSTATE_UINT32(twoD_dimension, SM501State), 1913 VMSTATE_UINT32(twoD_control, SM501State), 1914 VMSTATE_UINT32(twoD_pitch, SM501State), 1915 VMSTATE_UINT32(twoD_foreground, SM501State), 1916 VMSTATE_UINT32(twoD_background, SM501State), 1917 VMSTATE_UINT32(twoD_stretch, SM501State), 1918 VMSTATE_UINT32(twoD_color_compare, SM501State), 1919 VMSTATE_UINT32(twoD_color_compare_mask, SM501State), 1920 VMSTATE_UINT32(twoD_mask, SM501State), 1921 VMSTATE_UINT32(twoD_clip_tl, SM501State), 1922 VMSTATE_UINT32(twoD_clip_br, SM501State), 1923 VMSTATE_UINT32(twoD_mono_pattern_low, SM501State), 1924 VMSTATE_UINT32(twoD_mono_pattern_high, SM501State), 1925 VMSTATE_UINT32(twoD_window_width, SM501State), 1926 VMSTATE_UINT32(twoD_source_base, SM501State), 1927 VMSTATE_UINT32(twoD_destination_base, SM501State), 1928 VMSTATE_UINT32(twoD_alpha, SM501State), 1929 VMSTATE_UINT32(twoD_wrap, SM501State), 1930 /* Added in version 2 */ 1931 VMSTATE_UINT8(i2c_byte_count, SM501State), 1932 VMSTATE_UINT8(i2c_status, SM501State), 1933 VMSTATE_UINT8(i2c_addr, SM501State), 1934 VMSTATE_UINT8_ARRAY(i2c_data, SM501State, 16), 1935 VMSTATE_END_OF_LIST() 1936 } 1937 }; 1938 1939 #define TYPE_SYSBUS_SM501 "sysbus-sm501" 1940 #define SYSBUS_SM501(obj) \ 1941 OBJECT_CHECK(SM501SysBusState, (obj), TYPE_SYSBUS_SM501) 1942 1943 typedef struct { 1944 /*< private >*/ 1945 SysBusDevice parent_obj; 1946 /*< public >*/ 1947 SM501State state; 1948 uint32_t vram_size; 1949 uint32_t base; 1950 SerialMM serial; 1951 } SM501SysBusState; 1952 1953 static void sm501_realize_sysbus(DeviceState *dev, Error **errp) 1954 { 1955 SM501SysBusState *s = SYSBUS_SM501(dev); 1956 SysBusDevice *sbd = SYS_BUS_DEVICE(dev); 1957 DeviceState *usb_dev; 1958 MemoryRegion *mr; 1959 1960 sm501_init(&s->state, dev, s->vram_size); 1961 if (get_local_mem_size(&s->state) != s->vram_size) { 1962 error_setg(errp, "Invalid VRAM size, nearest valid size is %" PRIu32, 1963 get_local_mem_size(&s->state)); 1964 return; 1965 } 1966 sysbus_init_mmio(sbd, &s->state.local_mem_region); 1967 sysbus_init_mmio(sbd, &s->state.mmio_region); 1968 1969 /* bridge to usb host emulation module */ 1970 usb_dev = qdev_create(NULL, "sysbus-ohci"); 1971 qdev_prop_set_uint32(usb_dev, "num-ports", 2); 1972 qdev_prop_set_uint64(usb_dev, "dma-offset", s->base); 1973 qdev_init_nofail(usb_dev); 1974 memory_region_add_subregion(&s->state.mmio_region, SM501_USB_HOST, 1975 sysbus_mmio_get_region(SYS_BUS_DEVICE(usb_dev), 0)); 1976 sysbus_pass_irq(sbd, SYS_BUS_DEVICE(usb_dev)); 1977 1978 /* bridge to serial emulation module */ 1979 qdev_init_nofail(DEVICE(&s->serial)); 1980 mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->serial), 0); 1981 memory_region_add_subregion(&s->state.mmio_region, SM501_UART0, mr); 1982 /* TODO : chain irq to IRL */ 1983 } 1984 1985 static Property sm501_sysbus_properties[] = { 1986 DEFINE_PROP_UINT32("vram-size", SM501SysBusState, vram_size, 0), 1987 DEFINE_PROP_UINT32("base", SM501SysBusState, base, 0), 1988 DEFINE_PROP_END_OF_LIST(), 1989 }; 1990 1991 static void sm501_reset_sysbus(DeviceState *dev) 1992 { 1993 SM501SysBusState *s = SYSBUS_SM501(dev); 1994 sm501_reset(&s->state); 1995 } 1996 1997 static const VMStateDescription vmstate_sm501_sysbus = { 1998 .name = TYPE_SYSBUS_SM501, 1999 .version_id = 2, 2000 .minimum_version_id = 2, 2001 .fields = (VMStateField[]) { 2002 VMSTATE_STRUCT(state, SM501SysBusState, 1, 2003 vmstate_sm501_state, SM501State), 2004 VMSTATE_END_OF_LIST() 2005 } 2006 }; 2007 2008 static void sm501_sysbus_class_init(ObjectClass *klass, void *data) 2009 { 2010 DeviceClass *dc = DEVICE_CLASS(klass); 2011 2012 dc->realize = sm501_realize_sysbus; 2013 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 2014 dc->desc = "SM501 Multimedia Companion"; 2015 device_class_set_props(dc, sm501_sysbus_properties); 2016 dc->reset = sm501_reset_sysbus; 2017 dc->vmsd = &vmstate_sm501_sysbus; 2018 } 2019 2020 static void sm501_sysbus_init(Object *o) 2021 { 2022 SM501SysBusState *sm501 = SYSBUS_SM501(o); 2023 SerialMM *smm = &sm501->serial; 2024 2025 sysbus_init_child_obj(o, "serial", smm, sizeof(SerialMM), TYPE_SERIAL_MM); 2026 qdev_set_legacy_instance_id(DEVICE(smm), SM501_UART0, 2); 2027 qdev_prop_set_uint8(DEVICE(smm), "regshift", 2); 2028 qdev_prop_set_uint8(DEVICE(smm), "endianness", DEVICE_LITTLE_ENDIAN); 2029 2030 object_property_add_alias(o, "chardev", 2031 OBJECT(smm), "chardev"); 2032 } 2033 2034 static const TypeInfo sm501_sysbus_info = { 2035 .name = TYPE_SYSBUS_SM501, 2036 .parent = TYPE_SYS_BUS_DEVICE, 2037 .instance_size = sizeof(SM501SysBusState), 2038 .class_init = sm501_sysbus_class_init, 2039 .instance_init = sm501_sysbus_init, 2040 }; 2041 2042 #define TYPE_PCI_SM501 "sm501" 2043 #define PCI_SM501(obj) OBJECT_CHECK(SM501PCIState, (obj), TYPE_PCI_SM501) 2044 2045 typedef struct { 2046 /*< private >*/ 2047 PCIDevice parent_obj; 2048 /*< public >*/ 2049 SM501State state; 2050 uint32_t vram_size; 2051 } SM501PCIState; 2052 2053 static void sm501_realize_pci(PCIDevice *dev, Error **errp) 2054 { 2055 SM501PCIState *s = PCI_SM501(dev); 2056 2057 sm501_init(&s->state, DEVICE(dev), s->vram_size); 2058 if (get_local_mem_size(&s->state) != s->vram_size) { 2059 error_setg(errp, "Invalid VRAM size, nearest valid size is %" PRIu32, 2060 get_local_mem_size(&s->state)); 2061 return; 2062 } 2063 pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, 2064 &s->state.local_mem_region); 2065 pci_register_bar(dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, 2066 &s->state.mmio_region); 2067 } 2068 2069 static Property sm501_pci_properties[] = { 2070 DEFINE_PROP_UINT32("vram-size", SM501PCIState, vram_size, 64 * MiB), 2071 DEFINE_PROP_END_OF_LIST(), 2072 }; 2073 2074 static void sm501_reset_pci(DeviceState *dev) 2075 { 2076 SM501PCIState *s = PCI_SM501(dev); 2077 sm501_reset(&s->state); 2078 /* Bits 2:0 of misc_control register is 001 for PCI */ 2079 s->state.misc_control |= 1; 2080 } 2081 2082 static const VMStateDescription vmstate_sm501_pci = { 2083 .name = TYPE_PCI_SM501, 2084 .version_id = 2, 2085 .minimum_version_id = 2, 2086 .fields = (VMStateField[]) { 2087 VMSTATE_PCI_DEVICE(parent_obj, SM501PCIState), 2088 VMSTATE_STRUCT(state, SM501PCIState, 1, 2089 vmstate_sm501_state, SM501State), 2090 VMSTATE_END_OF_LIST() 2091 } 2092 }; 2093 2094 static void sm501_pci_class_init(ObjectClass *klass, void *data) 2095 { 2096 DeviceClass *dc = DEVICE_CLASS(klass); 2097 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2098 2099 k->realize = sm501_realize_pci; 2100 k->vendor_id = PCI_VENDOR_ID_SILICON_MOTION; 2101 k->device_id = PCI_DEVICE_ID_SM501; 2102 k->class_id = PCI_CLASS_DISPLAY_OTHER; 2103 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 2104 dc->desc = "SM501 Display Controller"; 2105 device_class_set_props(dc, sm501_pci_properties); 2106 dc->reset = sm501_reset_pci; 2107 dc->hotpluggable = false; 2108 dc->vmsd = &vmstate_sm501_pci; 2109 } 2110 2111 static const TypeInfo sm501_pci_info = { 2112 .name = TYPE_PCI_SM501, 2113 .parent = TYPE_PCI_DEVICE, 2114 .instance_size = sizeof(SM501PCIState), 2115 .class_init = sm501_pci_class_init, 2116 .interfaces = (InterfaceInfo[]) { 2117 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 2118 { }, 2119 }, 2120 }; 2121 2122 static void sm501_register_types(void) 2123 { 2124 type_register_static(&sm501_sysbus_info); 2125 type_register_static(&sm501_pci_info); 2126 } 2127 2128 type_init(sm501_register_types) 2129