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 #include "trace.h" 43 #include "qom/object.h" 44 45 #define MMIO_BASE_OFFSET 0x3e00000 46 #define MMIO_SIZE 0x200000 47 #define DC_PALETTE_ENTRIES (0x400 * 3) 48 49 /* SM501 register definitions taken from "linux/include/linux/sm501-regs.h" */ 50 51 /* System Configuration area */ 52 /* System config base */ 53 #define SM501_SYS_CONFIG (0x000000) 54 55 /* config 1 */ 56 #define SM501_SYSTEM_CONTROL (0x000000) 57 58 #define SM501_SYSCTRL_PANEL_TRISTATE (1 << 0) 59 #define SM501_SYSCTRL_MEM_TRISTATE (1 << 1) 60 #define SM501_SYSCTRL_CRT_TRISTATE (1 << 2) 61 62 #define SM501_SYSCTRL_PCI_SLAVE_BURST_MASK (3 << 4) 63 #define SM501_SYSCTRL_PCI_SLAVE_BURST_1 (0 << 4) 64 #define SM501_SYSCTRL_PCI_SLAVE_BURST_2 (1 << 4) 65 #define SM501_SYSCTRL_PCI_SLAVE_BURST_4 (2 << 4) 66 #define SM501_SYSCTRL_PCI_SLAVE_BURST_8 (3 << 4) 67 68 #define SM501_SYSCTRL_PCI_CLOCK_RUN_EN (1 << 6) 69 #define SM501_SYSCTRL_PCI_RETRY_DISABLE (1 << 7) 70 #define SM501_SYSCTRL_PCI_SUBSYS_LOCK (1 << 11) 71 #define SM501_SYSCTRL_PCI_BURST_READ_EN (1 << 15) 72 73 /* miscellaneous control */ 74 75 #define SM501_MISC_CONTROL (0x000004) 76 77 #define SM501_MISC_BUS_SH (0x0) 78 #define SM501_MISC_BUS_PCI (0x1) 79 #define SM501_MISC_BUS_XSCALE (0x2) 80 #define SM501_MISC_BUS_NEC (0x6) 81 #define SM501_MISC_BUS_MASK (0x7) 82 83 #define SM501_MISC_VR_62MB (1 << 3) 84 #define SM501_MISC_CDR_RESET (1 << 7) 85 #define SM501_MISC_USB_LB (1 << 8) 86 #define SM501_MISC_USB_SLAVE (1 << 9) 87 #define SM501_MISC_BL_1 (1 << 10) 88 #define SM501_MISC_MC (1 << 11) 89 #define SM501_MISC_DAC_POWER (1 << 12) 90 #define SM501_MISC_IRQ_INVERT (1 << 16) 91 #define SM501_MISC_SH (1 << 17) 92 93 #define SM501_MISC_HOLD_EMPTY (0 << 18) 94 #define SM501_MISC_HOLD_8 (1 << 18) 95 #define SM501_MISC_HOLD_16 (2 << 18) 96 #define SM501_MISC_HOLD_24 (3 << 18) 97 #define SM501_MISC_HOLD_32 (4 << 18) 98 #define SM501_MISC_HOLD_MASK (7 << 18) 99 100 #define SM501_MISC_FREQ_12 (1 << 24) 101 #define SM501_MISC_PNL_24BIT (1 << 25) 102 #define SM501_MISC_8051_LE (1 << 26) 103 104 105 106 #define SM501_GPIO31_0_CONTROL (0x000008) 107 #define SM501_GPIO63_32_CONTROL (0x00000C) 108 #define SM501_DRAM_CONTROL (0x000010) 109 110 /* command list */ 111 #define SM501_ARBTRTN_CONTROL (0x000014) 112 113 /* command list */ 114 #define SM501_COMMAND_LIST_STATUS (0x000024) 115 116 /* interrupt debug */ 117 #define SM501_RAW_IRQ_STATUS (0x000028) 118 #define SM501_RAW_IRQ_CLEAR (0x000028) 119 #define SM501_IRQ_STATUS (0x00002C) 120 #define SM501_IRQ_MASK (0x000030) 121 #define SM501_DEBUG_CONTROL (0x000034) 122 123 /* power management */ 124 #define SM501_POWERMODE_P2X_SRC (1 << 29) 125 #define SM501_POWERMODE_V2X_SRC (1 << 20) 126 #define SM501_POWERMODE_M_SRC (1 << 12) 127 #define SM501_POWERMODE_M1_SRC (1 << 4) 128 129 #define SM501_CURRENT_GATE (0x000038) 130 #define SM501_CURRENT_CLOCK (0x00003C) 131 #define SM501_POWER_MODE_0_GATE (0x000040) 132 #define SM501_POWER_MODE_0_CLOCK (0x000044) 133 #define SM501_POWER_MODE_1_GATE (0x000048) 134 #define SM501_POWER_MODE_1_CLOCK (0x00004C) 135 #define SM501_SLEEP_MODE_GATE (0x000050) 136 #define SM501_POWER_MODE_CONTROL (0x000054) 137 138 /* power gates for units within the 501 */ 139 #define SM501_GATE_HOST (0) 140 #define SM501_GATE_MEMORY (1) 141 #define SM501_GATE_DISPLAY (2) 142 #define SM501_GATE_2D_ENGINE (3) 143 #define SM501_GATE_CSC (4) 144 #define SM501_GATE_ZVPORT (5) 145 #define SM501_GATE_GPIO (6) 146 #define SM501_GATE_UART0 (7) 147 #define SM501_GATE_UART1 (8) 148 #define SM501_GATE_SSP (10) 149 #define SM501_GATE_USB_HOST (11) 150 #define SM501_GATE_USB_GADGET (12) 151 #define SM501_GATE_UCONTROLLER (17) 152 #define SM501_GATE_AC97 (18) 153 154 /* panel clock */ 155 #define SM501_CLOCK_P2XCLK (24) 156 /* crt clock */ 157 #define SM501_CLOCK_V2XCLK (16) 158 /* main clock */ 159 #define SM501_CLOCK_MCLK (8) 160 /* SDRAM controller clock */ 161 #define SM501_CLOCK_M1XCLK (0) 162 163 /* config 2 */ 164 #define SM501_PCI_MASTER_BASE (0x000058) 165 #define SM501_ENDIAN_CONTROL (0x00005C) 166 #define SM501_DEVICEID (0x000060) 167 /* 0x050100A0 */ 168 169 #define SM501_DEVICEID_SM501 (0x05010000) 170 #define SM501_DEVICEID_IDMASK (0xffff0000) 171 #define SM501_DEVICEID_REVMASK (0x000000ff) 172 173 #define SM501_PLLCLOCK_COUNT (0x000064) 174 #define SM501_MISC_TIMING (0x000068) 175 #define SM501_CURRENT_SDRAM_CLOCK (0x00006C) 176 177 #define SM501_PROGRAMMABLE_PLL_CONTROL (0x000074) 178 179 /* GPIO base */ 180 #define SM501_GPIO (0x010000) 181 #define SM501_GPIO_DATA_LOW (0x00) 182 #define SM501_GPIO_DATA_HIGH (0x04) 183 #define SM501_GPIO_DDR_LOW (0x08) 184 #define SM501_GPIO_DDR_HIGH (0x0C) 185 #define SM501_GPIO_IRQ_SETUP (0x10) 186 #define SM501_GPIO_IRQ_STATUS (0x14) 187 #define SM501_GPIO_IRQ_RESET (0x14) 188 189 /* I2C controller base */ 190 #define SM501_I2C (0x010040) 191 #define SM501_I2C_BYTE_COUNT (0x00) 192 #define SM501_I2C_CONTROL (0x01) 193 #define SM501_I2C_STATUS (0x02) 194 #define SM501_I2C_RESET (0x02) 195 #define SM501_I2C_SLAVE_ADDRESS (0x03) 196 #define SM501_I2C_DATA (0x04) 197 198 #define SM501_I2C_CONTROL_START (1 << 2) 199 #define SM501_I2C_CONTROL_ENABLE (1 << 0) 200 201 #define SM501_I2C_STATUS_COMPLETE (1 << 3) 202 #define SM501_I2C_STATUS_ERROR (1 << 2) 203 204 #define SM501_I2C_RESET_ERROR (1 << 2) 205 206 /* SSP base */ 207 #define SM501_SSP (0x020000) 208 209 /* Uart 0 base */ 210 #define SM501_UART0 (0x030000) 211 212 /* Uart 1 base */ 213 #define SM501_UART1 (0x030020) 214 215 /* USB host port base */ 216 #define SM501_USB_HOST (0x040000) 217 218 /* USB slave/gadget base */ 219 #define SM501_USB_GADGET (0x060000) 220 221 /* USB slave/gadget data port base */ 222 #define SM501_USB_GADGET_DATA (0x070000) 223 224 /* Display controller/video engine base */ 225 #define SM501_DC (0x080000) 226 227 /* common defines for the SM501 address registers */ 228 #define SM501_ADDR_FLIP (1 << 31) 229 #define SM501_ADDR_EXT (1 << 27) 230 #define SM501_ADDR_CS1 (1 << 26) 231 #define SM501_ADDR_MASK (0x3f << 26) 232 233 #define SM501_FIFO_MASK (0x3 << 16) 234 #define SM501_FIFO_1 (0x0 << 16) 235 #define SM501_FIFO_3 (0x1 << 16) 236 #define SM501_FIFO_7 (0x2 << 16) 237 #define SM501_FIFO_11 (0x3 << 16) 238 239 /* common registers for panel and the crt */ 240 #define SM501_OFF_DC_H_TOT (0x000) 241 #define SM501_OFF_DC_V_TOT (0x008) 242 #define SM501_OFF_DC_H_SYNC (0x004) 243 #define SM501_OFF_DC_V_SYNC (0x00C) 244 245 #define SM501_DC_PANEL_CONTROL (0x000) 246 247 #define SM501_DC_PANEL_CONTROL_FPEN (1 << 27) 248 #define SM501_DC_PANEL_CONTROL_BIAS (1 << 26) 249 #define SM501_DC_PANEL_CONTROL_DATA (1 << 25) 250 #define SM501_DC_PANEL_CONTROL_VDD (1 << 24) 251 #define SM501_DC_PANEL_CONTROL_DP (1 << 23) 252 253 #define SM501_DC_PANEL_CONTROL_TFT_888 (0 << 21) 254 #define SM501_DC_PANEL_CONTROL_TFT_333 (1 << 21) 255 #define SM501_DC_PANEL_CONTROL_TFT_444 (2 << 21) 256 257 #define SM501_DC_PANEL_CONTROL_DE (1 << 20) 258 259 #define SM501_DC_PANEL_CONTROL_LCD_TFT (0 << 18) 260 #define SM501_DC_PANEL_CONTROL_LCD_STN8 (1 << 18) 261 #define SM501_DC_PANEL_CONTROL_LCD_STN12 (2 << 18) 262 263 #define SM501_DC_PANEL_CONTROL_CP (1 << 14) 264 #define SM501_DC_PANEL_CONTROL_VSP (1 << 13) 265 #define SM501_DC_PANEL_CONTROL_HSP (1 << 12) 266 #define SM501_DC_PANEL_CONTROL_CK (1 << 9) 267 #define SM501_DC_PANEL_CONTROL_TE (1 << 8) 268 #define SM501_DC_PANEL_CONTROL_VPD (1 << 7) 269 #define SM501_DC_PANEL_CONTROL_VP (1 << 6) 270 #define SM501_DC_PANEL_CONTROL_HPD (1 << 5) 271 #define SM501_DC_PANEL_CONTROL_HP (1 << 4) 272 #define SM501_DC_PANEL_CONTROL_GAMMA (1 << 3) 273 #define SM501_DC_PANEL_CONTROL_EN (1 << 2) 274 275 #define SM501_DC_PANEL_CONTROL_8BPP (0 << 0) 276 #define SM501_DC_PANEL_CONTROL_16BPP (1 << 0) 277 #define SM501_DC_PANEL_CONTROL_32BPP (2 << 0) 278 279 280 #define SM501_DC_PANEL_PANNING_CONTROL (0x004) 281 #define SM501_DC_PANEL_COLOR_KEY (0x008) 282 #define SM501_DC_PANEL_FB_ADDR (0x00C) 283 #define SM501_DC_PANEL_FB_OFFSET (0x010) 284 #define SM501_DC_PANEL_FB_WIDTH (0x014) 285 #define SM501_DC_PANEL_FB_HEIGHT (0x018) 286 #define SM501_DC_PANEL_TL_LOC (0x01C) 287 #define SM501_DC_PANEL_BR_LOC (0x020) 288 #define SM501_DC_PANEL_H_TOT (0x024) 289 #define SM501_DC_PANEL_H_SYNC (0x028) 290 #define SM501_DC_PANEL_V_TOT (0x02C) 291 #define SM501_DC_PANEL_V_SYNC (0x030) 292 #define SM501_DC_PANEL_CUR_LINE (0x034) 293 294 #define SM501_DC_VIDEO_CONTROL (0x040) 295 #define SM501_DC_VIDEO_FB0_ADDR (0x044) 296 #define SM501_DC_VIDEO_FB_WIDTH (0x048) 297 #define SM501_DC_VIDEO_FB0_LAST_ADDR (0x04C) 298 #define SM501_DC_VIDEO_TL_LOC (0x050) 299 #define SM501_DC_VIDEO_BR_LOC (0x054) 300 #define SM501_DC_VIDEO_SCALE (0x058) 301 #define SM501_DC_VIDEO_INIT_SCALE (0x05C) 302 #define SM501_DC_VIDEO_YUV_CONSTANTS (0x060) 303 #define SM501_DC_VIDEO_FB1_ADDR (0x064) 304 #define SM501_DC_VIDEO_FB1_LAST_ADDR (0x068) 305 306 #define SM501_DC_VIDEO_ALPHA_CONTROL (0x080) 307 #define SM501_DC_VIDEO_ALPHA_FB_ADDR (0x084) 308 #define SM501_DC_VIDEO_ALPHA_FB_OFFSET (0x088) 309 #define SM501_DC_VIDEO_ALPHA_FB_LAST_ADDR (0x08C) 310 #define SM501_DC_VIDEO_ALPHA_TL_LOC (0x090) 311 #define SM501_DC_VIDEO_ALPHA_BR_LOC (0x094) 312 #define SM501_DC_VIDEO_ALPHA_SCALE (0x098) 313 #define SM501_DC_VIDEO_ALPHA_INIT_SCALE (0x09C) 314 #define SM501_DC_VIDEO_ALPHA_CHROMA_KEY (0x0A0) 315 #define SM501_DC_VIDEO_ALPHA_COLOR_LOOKUP (0x0A4) 316 317 #define SM501_DC_PANEL_HWC_BASE (0x0F0) 318 #define SM501_DC_PANEL_HWC_ADDR (0x0F0) 319 #define SM501_DC_PANEL_HWC_LOC (0x0F4) 320 #define SM501_DC_PANEL_HWC_COLOR_1_2 (0x0F8) 321 #define SM501_DC_PANEL_HWC_COLOR_3 (0x0FC) 322 323 #define SM501_HWC_EN (1 << 31) 324 325 #define SM501_OFF_HWC_ADDR (0x00) 326 #define SM501_OFF_HWC_LOC (0x04) 327 #define SM501_OFF_HWC_COLOR_1_2 (0x08) 328 #define SM501_OFF_HWC_COLOR_3 (0x0C) 329 330 #define SM501_DC_ALPHA_CONTROL (0x100) 331 #define SM501_DC_ALPHA_FB_ADDR (0x104) 332 #define SM501_DC_ALPHA_FB_OFFSET (0x108) 333 #define SM501_DC_ALPHA_TL_LOC (0x10C) 334 #define SM501_DC_ALPHA_BR_LOC (0x110) 335 #define SM501_DC_ALPHA_CHROMA_KEY (0x114) 336 #define SM501_DC_ALPHA_COLOR_LOOKUP (0x118) 337 338 #define SM501_DC_CRT_CONTROL (0x200) 339 340 #define SM501_DC_CRT_CONTROL_TVP (1 << 15) 341 #define SM501_DC_CRT_CONTROL_CP (1 << 14) 342 #define SM501_DC_CRT_CONTROL_VSP (1 << 13) 343 #define SM501_DC_CRT_CONTROL_HSP (1 << 12) 344 #define SM501_DC_CRT_CONTROL_VS (1 << 11) 345 #define SM501_DC_CRT_CONTROL_BLANK (1 << 10) 346 #define SM501_DC_CRT_CONTROL_SEL (1 << 9) 347 #define SM501_DC_CRT_CONTROL_TE (1 << 8) 348 #define SM501_DC_CRT_CONTROL_PIXEL_MASK (0xF << 4) 349 #define SM501_DC_CRT_CONTROL_GAMMA (1 << 3) 350 #define SM501_DC_CRT_CONTROL_ENABLE (1 << 2) 351 352 #define SM501_DC_CRT_CONTROL_8BPP (0 << 0) 353 #define SM501_DC_CRT_CONTROL_16BPP (1 << 0) 354 #define SM501_DC_CRT_CONTROL_32BPP (2 << 0) 355 356 #define SM501_DC_CRT_FB_ADDR (0x204) 357 #define SM501_DC_CRT_FB_OFFSET (0x208) 358 #define SM501_DC_CRT_H_TOT (0x20C) 359 #define SM501_DC_CRT_H_SYNC (0x210) 360 #define SM501_DC_CRT_V_TOT (0x214) 361 #define SM501_DC_CRT_V_SYNC (0x218) 362 #define SM501_DC_CRT_SIGNATURE_ANALYZER (0x21C) 363 #define SM501_DC_CRT_CUR_LINE (0x220) 364 #define SM501_DC_CRT_MONITOR_DETECT (0x224) 365 366 #define SM501_DC_CRT_HWC_BASE (0x230) 367 #define SM501_DC_CRT_HWC_ADDR (0x230) 368 #define SM501_DC_CRT_HWC_LOC (0x234) 369 #define SM501_DC_CRT_HWC_COLOR_1_2 (0x238) 370 #define SM501_DC_CRT_HWC_COLOR_3 (0x23C) 371 372 #define SM501_DC_PANEL_PALETTE (0x400) 373 374 #define SM501_DC_VIDEO_PALETTE (0x800) 375 376 #define SM501_DC_CRT_PALETTE (0xC00) 377 378 /* Zoom Video port base */ 379 #define SM501_ZVPORT (0x090000) 380 381 /* AC97/I2S base */ 382 #define SM501_AC97 (0x0A0000) 383 384 /* 8051 micro controller base */ 385 #define SM501_UCONTROLLER (0x0B0000) 386 387 /* 8051 micro controller SRAM base */ 388 #define SM501_UCONTROLLER_SRAM (0x0C0000) 389 390 /* DMA base */ 391 #define SM501_DMA (0x0D0000) 392 393 /* 2d engine base */ 394 #define SM501_2D_ENGINE (0x100000) 395 #define SM501_2D_SOURCE (0x00) 396 #define SM501_2D_DESTINATION (0x04) 397 #define SM501_2D_DIMENSION (0x08) 398 #define SM501_2D_CONTROL (0x0C) 399 #define SM501_2D_PITCH (0x10) 400 #define SM501_2D_FOREGROUND (0x14) 401 #define SM501_2D_BACKGROUND (0x18) 402 #define SM501_2D_STRETCH (0x1C) 403 #define SM501_2D_COLOR_COMPARE (0x20) 404 #define SM501_2D_COLOR_COMPARE_MASK (0x24) 405 #define SM501_2D_MASK (0x28) 406 #define SM501_2D_CLIP_TL (0x2C) 407 #define SM501_2D_CLIP_BR (0x30) 408 #define SM501_2D_MONO_PATTERN_LOW (0x34) 409 #define SM501_2D_MONO_PATTERN_HIGH (0x38) 410 #define SM501_2D_WINDOW_WIDTH (0x3C) 411 #define SM501_2D_SOURCE_BASE (0x40) 412 #define SM501_2D_DESTINATION_BASE (0x44) 413 #define SM501_2D_ALPHA (0x48) 414 #define SM501_2D_WRAP (0x4C) 415 #define SM501_2D_STATUS (0x50) 416 417 #define SM501_CSC_Y_SOURCE_BASE (0xC8) 418 #define SM501_CSC_CONSTANTS (0xCC) 419 #define SM501_CSC_Y_SOURCE_X (0xD0) 420 #define SM501_CSC_Y_SOURCE_Y (0xD4) 421 #define SM501_CSC_U_SOURCE_BASE (0xD8) 422 #define SM501_CSC_V_SOURCE_BASE (0xDC) 423 #define SM501_CSC_SOURCE_DIMENSION (0xE0) 424 #define SM501_CSC_SOURCE_PITCH (0xE4) 425 #define SM501_CSC_DESTINATION (0xE8) 426 #define SM501_CSC_DESTINATION_DIMENSION (0xEC) 427 #define SM501_CSC_DESTINATION_PITCH (0xF0) 428 #define SM501_CSC_SCALE_FACTOR (0xF4) 429 #define SM501_CSC_DESTINATION_BASE (0xF8) 430 #define SM501_CSC_CONTROL (0xFC) 431 432 /* 2d engine data port base */ 433 #define SM501_2D_ENGINE_DATA (0x110000) 434 435 /* end of register definitions */ 436 437 #define SM501_HWC_WIDTH (64) 438 #define SM501_HWC_HEIGHT (64) 439 440 /* SM501 local memory size taken from "linux/drivers/mfd/sm501.c" */ 441 static const uint32_t sm501_mem_local_size[] = { 442 [0] = 4 * MiB, 443 [1] = 8 * MiB, 444 [2] = 16 * MiB, 445 [3] = 32 * MiB, 446 [4] = 64 * MiB, 447 [5] = 2 * MiB, 448 }; 449 #define get_local_mem_size(s) sm501_mem_local_size[(s)->local_mem_size_index] 450 451 typedef struct SM501State { 452 /* graphic console status */ 453 QemuConsole *con; 454 455 /* status & internal resources */ 456 uint32_t local_mem_size_index; 457 uint8_t *local_mem; 458 MemoryRegion local_mem_region; 459 MemoryRegion mmio_region; 460 MemoryRegion system_config_region; 461 MemoryRegion i2c_region; 462 MemoryRegion disp_ctrl_region; 463 MemoryRegion twoD_engine_region; 464 uint32_t last_width; 465 uint32_t last_height; 466 bool do_full_update; /* perform a full update next time */ 467 I2CBus *i2c_bus; 468 469 /* mmio registers */ 470 uint32_t system_control; 471 uint32_t misc_control; 472 uint32_t gpio_31_0_control; 473 uint32_t gpio_63_32_control; 474 uint32_t dram_control; 475 uint32_t arbitration_control; 476 uint32_t irq_mask; 477 uint32_t misc_timing; 478 uint32_t power_mode_control; 479 480 uint8_t i2c_byte_count; 481 uint8_t i2c_status; 482 uint8_t i2c_addr; 483 uint8_t i2c_data[16]; 484 485 uint32_t uart0_ier; 486 uint32_t uart0_lcr; 487 uint32_t uart0_mcr; 488 uint32_t uart0_scr; 489 490 uint8_t dc_palette[DC_PALETTE_ENTRIES]; 491 492 uint32_t dc_panel_control; 493 uint32_t dc_panel_panning_control; 494 uint32_t dc_panel_fb_addr; 495 uint32_t dc_panel_fb_offset; 496 uint32_t dc_panel_fb_width; 497 uint32_t dc_panel_fb_height; 498 uint32_t dc_panel_tl_location; 499 uint32_t dc_panel_br_location; 500 uint32_t dc_panel_h_total; 501 uint32_t dc_panel_h_sync; 502 uint32_t dc_panel_v_total; 503 uint32_t dc_panel_v_sync; 504 505 uint32_t dc_panel_hwc_addr; 506 uint32_t dc_panel_hwc_location; 507 uint32_t dc_panel_hwc_color_1_2; 508 uint32_t dc_panel_hwc_color_3; 509 510 uint32_t dc_video_control; 511 512 uint32_t dc_crt_control; 513 uint32_t dc_crt_fb_addr; 514 uint32_t dc_crt_fb_offset; 515 uint32_t dc_crt_h_total; 516 uint32_t dc_crt_h_sync; 517 uint32_t dc_crt_v_total; 518 uint32_t dc_crt_v_sync; 519 520 uint32_t dc_crt_hwc_addr; 521 uint32_t dc_crt_hwc_location; 522 uint32_t dc_crt_hwc_color_1_2; 523 uint32_t dc_crt_hwc_color_3; 524 525 uint32_t twoD_source; 526 uint32_t twoD_destination; 527 uint32_t twoD_dimension; 528 uint32_t twoD_control; 529 uint32_t twoD_pitch; 530 uint32_t twoD_foreground; 531 uint32_t twoD_background; 532 uint32_t twoD_stretch; 533 uint32_t twoD_color_compare; 534 uint32_t twoD_color_compare_mask; 535 uint32_t twoD_mask; 536 uint32_t twoD_clip_tl; 537 uint32_t twoD_clip_br; 538 uint32_t twoD_mono_pattern_low; 539 uint32_t twoD_mono_pattern_high; 540 uint32_t twoD_window_width; 541 uint32_t twoD_source_base; 542 uint32_t twoD_destination_base; 543 uint32_t twoD_alpha; 544 uint32_t twoD_wrap; 545 } SM501State; 546 547 static uint32_t get_local_mem_size_index(uint32_t size) 548 { 549 uint32_t norm_size = 0; 550 int i, index = 0; 551 552 for (i = 0; i < ARRAY_SIZE(sm501_mem_local_size); i++) { 553 uint32_t new_size = sm501_mem_local_size[i]; 554 if (new_size >= size) { 555 if (norm_size == 0 || norm_size > new_size) { 556 norm_size = new_size; 557 index = i; 558 } 559 } 560 } 561 562 return index; 563 } 564 565 static ram_addr_t get_fb_addr(SM501State *s, int crt) 566 { 567 return (crt ? s->dc_crt_fb_addr : s->dc_panel_fb_addr) & 0x3FFFFF0; 568 } 569 570 static inline int get_width(SM501State *s, int crt) 571 { 572 int width = crt ? s->dc_crt_h_total : s->dc_panel_h_total; 573 return (width & 0x00000FFF) + 1; 574 } 575 576 static inline int get_height(SM501State *s, int crt) 577 { 578 int height = crt ? s->dc_crt_v_total : s->dc_panel_v_total; 579 return (height & 0x00000FFF) + 1; 580 } 581 582 static inline int get_bpp(SM501State *s, int crt) 583 { 584 int bpp = crt ? s->dc_crt_control : s->dc_panel_control; 585 return 1 << (bpp & 3); 586 } 587 588 /** 589 * Check the availability of hardware cursor. 590 * @param crt 0 for PANEL, 1 for CRT. 591 */ 592 static inline int is_hwc_enabled(SM501State *state, int crt) 593 { 594 uint32_t addr = crt ? state->dc_crt_hwc_addr : state->dc_panel_hwc_addr; 595 return addr & SM501_HWC_EN; 596 } 597 598 /** 599 * Get the address which holds cursor pattern data. 600 * @param crt 0 for PANEL, 1 for CRT. 601 */ 602 static inline uint8_t *get_hwc_address(SM501State *state, int crt) 603 { 604 uint32_t addr = crt ? state->dc_crt_hwc_addr : state->dc_panel_hwc_addr; 605 return state->local_mem + (addr & 0x03FFFFF0); 606 } 607 608 /** 609 * Get the cursor position in y coordinate. 610 * @param crt 0 for PANEL, 1 for CRT. 611 */ 612 static inline uint32_t get_hwc_y(SM501State *state, int crt) 613 { 614 uint32_t location = crt ? state->dc_crt_hwc_location 615 : state->dc_panel_hwc_location; 616 return (location & 0x07FF0000) >> 16; 617 } 618 619 /** 620 * Get the cursor position in x coordinate. 621 * @param crt 0 for PANEL, 1 for CRT. 622 */ 623 static inline uint32_t get_hwc_x(SM501State *state, int crt) 624 { 625 uint32_t location = crt ? state->dc_crt_hwc_location 626 : state->dc_panel_hwc_location; 627 return location & 0x000007FF; 628 } 629 630 /** 631 * Get the hardware cursor palette. 632 * @param crt 0 for PANEL, 1 for CRT. 633 * @param palette pointer to a [3 * 3] array to store color values in 634 */ 635 static inline void get_hwc_palette(SM501State *state, int crt, uint8_t *palette) 636 { 637 int i; 638 uint32_t color_reg; 639 uint16_t rgb565; 640 641 for (i = 0; i < 3; i++) { 642 if (i + 1 == 3) { 643 color_reg = crt ? state->dc_crt_hwc_color_3 644 : state->dc_panel_hwc_color_3; 645 } else { 646 color_reg = crt ? state->dc_crt_hwc_color_1_2 647 : state->dc_panel_hwc_color_1_2; 648 } 649 650 if (i + 1 == 2) { 651 rgb565 = (color_reg >> 16) & 0xFFFF; 652 } else { 653 rgb565 = color_reg & 0xFFFF; 654 } 655 palette[i * 3 + 0] = ((rgb565 >> 11) * 527 + 23) >> 6; /* r */ 656 palette[i * 3 + 1] = (((rgb565 >> 5) & 0x3f) * 259 + 33) >> 6; /* g */ 657 palette[i * 3 + 2] = ((rgb565 & 0x1f) * 527 + 23) >> 6; /* b */ 658 } 659 } 660 661 static inline void hwc_invalidate(SM501State *s, int crt) 662 { 663 int w = get_width(s, crt); 664 int h = get_height(s, crt); 665 int bpp = get_bpp(s, crt); 666 int start = get_hwc_y(s, crt); 667 int end = MIN(h, start + SM501_HWC_HEIGHT) + 1; 668 669 start *= w * bpp; 670 end *= w * bpp; 671 672 memory_region_set_dirty(&s->local_mem_region, 673 get_fb_addr(s, crt) + start, end - start); 674 } 675 676 static void sm501_2d_operation(SM501State *s) 677 { 678 int cmd = (s->twoD_control >> 16) & 0x1F; 679 int rtl = s->twoD_control & BIT(27); 680 int format = (s->twoD_stretch >> 20) & 3; 681 int bypp = 1 << format; /* bytes per pixel */ 682 int rop_mode = (s->twoD_control >> 15) & 1; /* 1 for rop2, else rop3 */ 683 /* 1 if rop2 source is the pattern, otherwise the source is the bitmap */ 684 int rop2_source_is_pattern = (s->twoD_control >> 14) & 1; 685 int rop = s->twoD_control & 0xFF; 686 unsigned int dst_x = (s->twoD_destination >> 16) & 0x01FFF; 687 unsigned int dst_y = s->twoD_destination & 0xFFFF; 688 unsigned int width = (s->twoD_dimension >> 16) & 0x1FFF; 689 unsigned int height = s->twoD_dimension & 0xFFFF; 690 uint32_t dst_base = s->twoD_destination_base & 0x03FFFFFF; 691 unsigned int dst_pitch = (s->twoD_pitch >> 16) & 0x1FFF; 692 int crt = (s->dc_crt_control & SM501_DC_CRT_CONTROL_SEL) ? 1 : 0; 693 int fb_len = get_width(s, crt) * get_height(s, crt) * get_bpp(s, crt); 694 bool overlap = false; 695 696 if ((s->twoD_stretch >> 16) & 0xF) { 697 qemu_log_mask(LOG_UNIMP, "sm501: only XY addressing is supported.\n"); 698 return; 699 } 700 701 if (s->twoD_source_base & BIT(27) || s->twoD_destination_base & BIT(27)) { 702 qemu_log_mask(LOG_UNIMP, "sm501: only local memory is supported.\n"); 703 return; 704 } 705 706 if (!dst_pitch) { 707 qemu_log_mask(LOG_GUEST_ERROR, "sm501: Zero dest pitch.\n"); 708 return; 709 } 710 711 if (!width || !height) { 712 qemu_log_mask(LOG_GUEST_ERROR, "sm501: Zero size 2D op.\n"); 713 return; 714 } 715 716 if (rtl) { 717 dst_x -= width - 1; 718 dst_y -= height - 1; 719 } 720 721 if (dst_base >= get_local_mem_size(s) || 722 dst_base + (dst_x + width + (dst_y + height) * dst_pitch) * bypp >= 723 get_local_mem_size(s)) { 724 qemu_log_mask(LOG_GUEST_ERROR, "sm501: 2D op dest is outside vram.\n"); 725 return; 726 } 727 728 switch (cmd) { 729 case 0: /* BitBlt */ 730 { 731 static uint32_t tmp_buf[16384]; 732 unsigned int src_x = (s->twoD_source >> 16) & 0x01FFF; 733 unsigned int src_y = s->twoD_source & 0xFFFF; 734 uint32_t src_base = s->twoD_source_base & 0x03FFFFFF; 735 unsigned int src_pitch = s->twoD_pitch & 0x1FFF; 736 737 if (!src_pitch) { 738 qemu_log_mask(LOG_GUEST_ERROR, "sm501: Zero src pitch.\n"); 739 return; 740 } 741 742 if (rtl) { 743 src_x -= width - 1; 744 src_y -= height - 1; 745 } 746 747 if (src_base >= get_local_mem_size(s) || 748 src_base + (src_x + width + (src_y + height) * src_pitch) * bypp >= 749 get_local_mem_size(s)) { 750 qemu_log_mask(LOG_GUEST_ERROR, 751 "sm501: 2D op src is outside vram.\n"); 752 return; 753 } 754 755 if ((rop_mode && rop == 0x5) || (!rop_mode && rop == 0x55)) { 756 /* Invert dest, is there a way to do this with pixman? */ 757 unsigned int x, y, i; 758 uint8_t *d = s->local_mem + dst_base; 759 760 for (y = 0; y < height; y++) { 761 i = (dst_x + (dst_y + y) * dst_pitch) * bypp; 762 for (x = 0; x < width; x++, i += bypp) { 763 stn_he_p(&d[i], bypp, ~ldn_he_p(&d[i], bypp)); 764 } 765 } 766 } else { 767 /* Do copy src for unimplemented ops, better than unpainted area */ 768 if ((rop_mode && (rop != 0xc || rop2_source_is_pattern)) || 769 (!rop_mode && rop != 0xcc)) { 770 qemu_log_mask(LOG_UNIMP, 771 "sm501: rop%d op %x%s not implemented\n", 772 (rop_mode ? 2 : 3), rop, 773 (rop2_source_is_pattern ? 774 " with pattern source" : "")); 775 } 776 /* Ignore no-op blits, some guests seem to do this */ 777 if (src_base == dst_base && src_pitch == dst_pitch && 778 src_x == dst_x && src_y == dst_y) { 779 break; 780 } 781 /* Some clients also do 1 pixel blits, avoid overhead for these */ 782 if (width == 1 && height == 1) { 783 unsigned int si = (src_x + src_y * src_pitch) * bypp; 784 unsigned int di = (dst_x + dst_y * dst_pitch) * bypp; 785 stn_he_p(&s->local_mem[dst_base + di], bypp, 786 ldn_he_p(&s->local_mem[src_base + si], bypp)); 787 break; 788 } 789 /* If reverse blit do simple check for overlaps */ 790 if (rtl && src_base == dst_base && src_pitch == dst_pitch) { 791 overlap = (src_x < dst_x + width && src_x + width > dst_x && 792 src_y < dst_y + height && src_y + height > dst_y); 793 } else if (rtl) { 794 unsigned int sb, se, db, de; 795 sb = src_base + (src_x + src_y * src_pitch) * bypp; 796 se = sb + (width + (height - 1) * src_pitch) * bypp; 797 db = dst_base + (dst_x + dst_y * dst_pitch) * bypp; 798 de = db + (width + (height - 1) * dst_pitch) * bypp; 799 overlap = (db < se && sb < de); 800 } 801 if (overlap) { 802 /* pixman can't do reverse blit: copy via temporary */ 803 int tmp_stride = DIV_ROUND_UP(width * bypp, sizeof(uint32_t)); 804 uint32_t *tmp = tmp_buf; 805 806 if (tmp_stride * sizeof(uint32_t) * height > sizeof(tmp_buf)) { 807 tmp = g_malloc(tmp_stride * sizeof(uint32_t) * height); 808 } 809 pixman_blt((uint32_t *)&s->local_mem[src_base], tmp, 810 src_pitch * bypp / sizeof(uint32_t), 811 tmp_stride, 8 * bypp, 8 * bypp, 812 src_x, src_y, 0, 0, width, height); 813 pixman_blt(tmp, (uint32_t *)&s->local_mem[dst_base], 814 tmp_stride, 815 dst_pitch * bypp / sizeof(uint32_t), 816 8 * bypp, 8 * bypp, 817 0, 0, dst_x, dst_y, width, height); 818 if (tmp != tmp_buf) { 819 g_free(tmp); 820 } 821 } else { 822 pixman_blt((uint32_t *)&s->local_mem[src_base], 823 (uint32_t *)&s->local_mem[dst_base], 824 src_pitch * bypp / sizeof(uint32_t), 825 dst_pitch * bypp / sizeof(uint32_t), 826 8 * bypp, 8 * bypp, 827 src_x, src_y, dst_x, dst_y, width, height); 828 } 829 } 830 break; 831 } 832 case 1: /* Rectangle Fill */ 833 { 834 uint32_t color = s->twoD_foreground; 835 836 if (format == 2) { 837 color = cpu_to_le32(color); 838 } else if (format == 1) { 839 color = cpu_to_le16(color); 840 } 841 842 if (width == 1 && height == 1) { 843 unsigned int i = (dst_x + dst_y * dst_pitch) * bypp; 844 stn_he_p(&s->local_mem[dst_base + i], bypp, color); 845 } else { 846 pixman_fill((uint32_t *)&s->local_mem[dst_base], 847 dst_pitch * bypp / sizeof(uint32_t), 848 8 * bypp, dst_x, dst_y, width, height, color); 849 } 850 break; 851 } 852 default: 853 qemu_log_mask(LOG_UNIMP, "sm501: not implemented 2D operation: %d\n", 854 cmd); 855 return; 856 } 857 858 if (dst_base >= get_fb_addr(s, crt) && 859 dst_base <= get_fb_addr(s, crt) + fb_len) { 860 int dst_len = MIN(fb_len, ((dst_y + height - 1) * dst_pitch + 861 dst_x + width) * bypp); 862 if (dst_len) { 863 memory_region_set_dirty(&s->local_mem_region, dst_base, dst_len); 864 } 865 } 866 } 867 868 static uint64_t sm501_system_config_read(void *opaque, hwaddr addr, 869 unsigned size) 870 { 871 SM501State *s = (SM501State *)opaque; 872 uint32_t ret = 0; 873 874 switch (addr) { 875 case SM501_SYSTEM_CONTROL: 876 ret = s->system_control; 877 break; 878 case SM501_MISC_CONTROL: 879 ret = s->misc_control; 880 break; 881 case SM501_GPIO31_0_CONTROL: 882 ret = s->gpio_31_0_control; 883 break; 884 case SM501_GPIO63_32_CONTROL: 885 ret = s->gpio_63_32_control; 886 break; 887 case SM501_DEVICEID: 888 ret = 0x050100A0; 889 break; 890 case SM501_DRAM_CONTROL: 891 ret = (s->dram_control & 0x07F107C0) | s->local_mem_size_index << 13; 892 break; 893 case SM501_ARBTRTN_CONTROL: 894 ret = s->arbitration_control; 895 break; 896 case SM501_COMMAND_LIST_STATUS: 897 ret = 0x00180002; /* FIFOs are empty, everything idle */ 898 break; 899 case SM501_IRQ_MASK: 900 ret = s->irq_mask; 901 break; 902 case SM501_MISC_TIMING: 903 /* TODO : simulate gate control */ 904 ret = s->misc_timing; 905 break; 906 case SM501_CURRENT_GATE: 907 /* TODO : simulate gate control */ 908 ret = 0x00021807; 909 break; 910 case SM501_CURRENT_CLOCK: 911 ret = 0x2A1A0A09; 912 break; 913 case SM501_POWER_MODE_CONTROL: 914 ret = s->power_mode_control; 915 break; 916 case SM501_ENDIAN_CONTROL: 917 ret = 0; /* Only default little endian mode is supported */ 918 break; 919 920 default: 921 qemu_log_mask(LOG_UNIMP, "sm501: not implemented system config" 922 "register read. addr=%" HWADDR_PRIx "\n", addr); 923 } 924 trace_sm501_system_config_read(addr, ret); 925 return ret; 926 } 927 928 static void sm501_system_config_write(void *opaque, hwaddr addr, 929 uint64_t value, unsigned size) 930 { 931 SM501State *s = (SM501State *)opaque; 932 933 trace_sm501_system_config_write((uint32_t)addr, (uint32_t)value); 934 switch (addr) { 935 case SM501_SYSTEM_CONTROL: 936 s->system_control &= 0x10DB0000; 937 s->system_control |= value & 0xEF00B8F7; 938 break; 939 case SM501_MISC_CONTROL: 940 s->misc_control &= 0xEF; 941 s->misc_control |= value & 0xFF7FFF10; 942 break; 943 case SM501_GPIO31_0_CONTROL: 944 s->gpio_31_0_control = value; 945 break; 946 case SM501_GPIO63_32_CONTROL: 947 s->gpio_63_32_control = value & 0xFF80FFFF; 948 break; 949 case SM501_DRAM_CONTROL: 950 s->local_mem_size_index = (value >> 13) & 0x7; 951 /* TODO : check validity of size change */ 952 s->dram_control &= 0x80000000; 953 s->dram_control |= value & 0x7FFFFFC3; 954 break; 955 case SM501_ARBTRTN_CONTROL: 956 s->arbitration_control = value & 0x37777777; 957 break; 958 case SM501_IRQ_MASK: 959 s->irq_mask = value & 0xFFDF3F5F; 960 break; 961 case SM501_MISC_TIMING: 962 s->misc_timing = value & 0xF31F1FFF; 963 break; 964 case SM501_POWER_MODE_0_GATE: 965 case SM501_POWER_MODE_1_GATE: 966 case SM501_POWER_MODE_0_CLOCK: 967 case SM501_POWER_MODE_1_CLOCK: 968 /* TODO : simulate gate & clock control */ 969 break; 970 case SM501_POWER_MODE_CONTROL: 971 s->power_mode_control = value & 0x00000003; 972 break; 973 case SM501_ENDIAN_CONTROL: 974 if (value & 0x00000001) { 975 qemu_log_mask(LOG_UNIMP, "sm501: system config big endian mode not" 976 " implemented.\n"); 977 } 978 break; 979 980 default: 981 qemu_log_mask(LOG_UNIMP, "sm501: not implemented system config" 982 "register write. addr=%" HWADDR_PRIx 983 ", val=%" PRIx64 "\n", addr, value); 984 } 985 } 986 987 static const MemoryRegionOps sm501_system_config_ops = { 988 .read = sm501_system_config_read, 989 .write = sm501_system_config_write, 990 .valid = { 991 .min_access_size = 4, 992 .max_access_size = 4, 993 }, 994 .endianness = DEVICE_LITTLE_ENDIAN, 995 }; 996 997 static uint64_t sm501_i2c_read(void *opaque, hwaddr addr, unsigned size) 998 { 999 SM501State *s = (SM501State *)opaque; 1000 uint8_t ret = 0; 1001 1002 switch (addr) { 1003 case SM501_I2C_BYTE_COUNT: 1004 ret = s->i2c_byte_count; 1005 break; 1006 case SM501_I2C_STATUS: 1007 ret = s->i2c_status; 1008 break; 1009 case SM501_I2C_SLAVE_ADDRESS: 1010 ret = s->i2c_addr; 1011 break; 1012 case SM501_I2C_DATA ... SM501_I2C_DATA + 15: 1013 ret = s->i2c_data[addr - SM501_I2C_DATA]; 1014 break; 1015 default: 1016 qemu_log_mask(LOG_UNIMP, "sm501 i2c : not implemented register read." 1017 " addr=0x%" HWADDR_PRIx "\n", addr); 1018 } 1019 trace_sm501_i2c_read((uint32_t)addr, ret); 1020 return ret; 1021 } 1022 1023 static void sm501_i2c_write(void *opaque, hwaddr addr, uint64_t value, 1024 unsigned size) 1025 { 1026 SM501State *s = (SM501State *)opaque; 1027 1028 trace_sm501_i2c_write((uint32_t)addr, (uint32_t)value); 1029 switch (addr) { 1030 case SM501_I2C_BYTE_COUNT: 1031 s->i2c_byte_count = value & 0xf; 1032 break; 1033 case SM501_I2C_CONTROL: 1034 if (value & SM501_I2C_CONTROL_ENABLE) { 1035 if (value & SM501_I2C_CONTROL_START) { 1036 bool is_recv = s->i2c_addr & 1; 1037 int res = i2c_start_transfer(s->i2c_bus, 1038 s->i2c_addr >> 1, 1039 is_recv); 1040 if (res) { 1041 s->i2c_status |= SM501_I2C_STATUS_ERROR; 1042 } else { 1043 int i; 1044 for (i = 0; i <= s->i2c_byte_count; i++) { 1045 if (is_recv) { 1046 s->i2c_data[i] = i2c_recv(s->i2c_bus); 1047 } else if (i2c_send(s->i2c_bus, s->i2c_data[i]) < 0) { 1048 s->i2c_status |= SM501_I2C_STATUS_ERROR; 1049 return; 1050 } 1051 } 1052 if (i) { 1053 s->i2c_status = SM501_I2C_STATUS_COMPLETE; 1054 } 1055 } 1056 } else { 1057 i2c_end_transfer(s->i2c_bus); 1058 s->i2c_status &= ~SM501_I2C_STATUS_ERROR; 1059 } 1060 } 1061 break; 1062 case SM501_I2C_RESET: 1063 if ((value & SM501_I2C_RESET_ERROR) == 0) { 1064 s->i2c_status &= ~SM501_I2C_STATUS_ERROR; 1065 } 1066 break; 1067 case SM501_I2C_SLAVE_ADDRESS: 1068 s->i2c_addr = value & 0xff; 1069 break; 1070 case SM501_I2C_DATA ... SM501_I2C_DATA + 15: 1071 s->i2c_data[addr - SM501_I2C_DATA] = value & 0xff; 1072 break; 1073 default: 1074 qemu_log_mask(LOG_UNIMP, "sm501 i2c : not implemented register write. " 1075 "addr=0x%" HWADDR_PRIx " val=%" PRIx64 "\n", addr, value); 1076 } 1077 } 1078 1079 static const MemoryRegionOps sm501_i2c_ops = { 1080 .read = sm501_i2c_read, 1081 .write = sm501_i2c_write, 1082 .valid = { 1083 .min_access_size = 1, 1084 .max_access_size = 1, 1085 }, 1086 .impl = { 1087 .min_access_size = 1, 1088 .max_access_size = 1, 1089 }, 1090 .endianness = DEVICE_LITTLE_ENDIAN, 1091 }; 1092 1093 static uint32_t sm501_palette_read(void *opaque, hwaddr addr) 1094 { 1095 SM501State *s = (SM501State *)opaque; 1096 1097 trace_sm501_palette_read((uint32_t)addr); 1098 1099 /* TODO : consider BYTE/WORD access */ 1100 /* TODO : consider endian */ 1101 1102 assert(range_covers_byte(0, 0x400 * 3, addr)); 1103 return *(uint32_t *)&s->dc_palette[addr]; 1104 } 1105 1106 static void sm501_palette_write(void *opaque, hwaddr addr, 1107 uint32_t value) 1108 { 1109 SM501State *s = (SM501State *)opaque; 1110 1111 trace_sm501_palette_write((uint32_t)addr, value); 1112 1113 /* TODO : consider BYTE/WORD access */ 1114 /* TODO : consider endian */ 1115 1116 assert(range_covers_byte(0, 0x400 * 3, addr)); 1117 *(uint32_t *)&s->dc_palette[addr] = value; 1118 s->do_full_update = true; 1119 } 1120 1121 static uint64_t sm501_disp_ctrl_read(void *opaque, hwaddr addr, 1122 unsigned size) 1123 { 1124 SM501State *s = (SM501State *)opaque; 1125 uint32_t ret = 0; 1126 1127 switch (addr) { 1128 1129 case SM501_DC_PANEL_CONTROL: 1130 ret = s->dc_panel_control; 1131 break; 1132 case SM501_DC_PANEL_PANNING_CONTROL: 1133 ret = s->dc_panel_panning_control; 1134 break; 1135 case SM501_DC_PANEL_COLOR_KEY: 1136 /* Not implemented yet */ 1137 break; 1138 case SM501_DC_PANEL_FB_ADDR: 1139 ret = s->dc_panel_fb_addr; 1140 break; 1141 case SM501_DC_PANEL_FB_OFFSET: 1142 ret = s->dc_panel_fb_offset; 1143 break; 1144 case SM501_DC_PANEL_FB_WIDTH: 1145 ret = s->dc_panel_fb_width; 1146 break; 1147 case SM501_DC_PANEL_FB_HEIGHT: 1148 ret = s->dc_panel_fb_height; 1149 break; 1150 case SM501_DC_PANEL_TL_LOC: 1151 ret = s->dc_panel_tl_location; 1152 break; 1153 case SM501_DC_PANEL_BR_LOC: 1154 ret = s->dc_panel_br_location; 1155 break; 1156 1157 case SM501_DC_PANEL_H_TOT: 1158 ret = s->dc_panel_h_total; 1159 break; 1160 case SM501_DC_PANEL_H_SYNC: 1161 ret = s->dc_panel_h_sync; 1162 break; 1163 case SM501_DC_PANEL_V_TOT: 1164 ret = s->dc_panel_v_total; 1165 break; 1166 case SM501_DC_PANEL_V_SYNC: 1167 ret = s->dc_panel_v_sync; 1168 break; 1169 1170 case SM501_DC_PANEL_HWC_ADDR: 1171 ret = s->dc_panel_hwc_addr; 1172 break; 1173 case SM501_DC_PANEL_HWC_LOC: 1174 ret = s->dc_panel_hwc_location; 1175 break; 1176 case SM501_DC_PANEL_HWC_COLOR_1_2: 1177 ret = s->dc_panel_hwc_color_1_2; 1178 break; 1179 case SM501_DC_PANEL_HWC_COLOR_3: 1180 ret = s->dc_panel_hwc_color_3; 1181 break; 1182 1183 case SM501_DC_VIDEO_CONTROL: 1184 ret = s->dc_video_control; 1185 break; 1186 1187 case SM501_DC_CRT_CONTROL: 1188 ret = s->dc_crt_control; 1189 break; 1190 case SM501_DC_CRT_FB_ADDR: 1191 ret = s->dc_crt_fb_addr; 1192 break; 1193 case SM501_DC_CRT_FB_OFFSET: 1194 ret = s->dc_crt_fb_offset; 1195 break; 1196 case SM501_DC_CRT_H_TOT: 1197 ret = s->dc_crt_h_total; 1198 break; 1199 case SM501_DC_CRT_H_SYNC: 1200 ret = s->dc_crt_h_sync; 1201 break; 1202 case SM501_DC_CRT_V_TOT: 1203 ret = s->dc_crt_v_total; 1204 break; 1205 case SM501_DC_CRT_V_SYNC: 1206 ret = s->dc_crt_v_sync; 1207 break; 1208 1209 case SM501_DC_CRT_HWC_ADDR: 1210 ret = s->dc_crt_hwc_addr; 1211 break; 1212 case SM501_DC_CRT_HWC_LOC: 1213 ret = s->dc_crt_hwc_location; 1214 break; 1215 case SM501_DC_CRT_HWC_COLOR_1_2: 1216 ret = s->dc_crt_hwc_color_1_2; 1217 break; 1218 case SM501_DC_CRT_HWC_COLOR_3: 1219 ret = s->dc_crt_hwc_color_3; 1220 break; 1221 1222 case SM501_DC_PANEL_PALETTE ... SM501_DC_PANEL_PALETTE + 0x400 * 3 - 4: 1223 ret = sm501_palette_read(opaque, addr - SM501_DC_PANEL_PALETTE); 1224 break; 1225 1226 default: 1227 qemu_log_mask(LOG_UNIMP, "sm501: not implemented disp ctrl register " 1228 "read. addr=%" HWADDR_PRIx "\n", addr); 1229 } 1230 trace_sm501_disp_ctrl_read((uint32_t)addr, ret); 1231 return ret; 1232 } 1233 1234 static void sm501_disp_ctrl_write(void *opaque, hwaddr addr, 1235 uint64_t value, unsigned size) 1236 { 1237 SM501State *s = (SM501State *)opaque; 1238 1239 trace_sm501_disp_ctrl_write((uint32_t)addr, (uint32_t)value); 1240 switch (addr) { 1241 case SM501_DC_PANEL_CONTROL: 1242 s->dc_panel_control = value & 0x0FFF73FF; 1243 break; 1244 case SM501_DC_PANEL_PANNING_CONTROL: 1245 s->dc_panel_panning_control = value & 0xFF3FFF3F; 1246 break; 1247 case SM501_DC_PANEL_COLOR_KEY: 1248 /* Not implemented yet */ 1249 break; 1250 case SM501_DC_PANEL_FB_ADDR: 1251 s->dc_panel_fb_addr = value & 0x8FFFFFF0; 1252 if (value & 0x8000000) { 1253 qemu_log_mask(LOG_UNIMP, "Panel external memory not supported\n"); 1254 } 1255 s->do_full_update = true; 1256 break; 1257 case SM501_DC_PANEL_FB_OFFSET: 1258 s->dc_panel_fb_offset = value & 0x3FF03FF0; 1259 break; 1260 case SM501_DC_PANEL_FB_WIDTH: 1261 s->dc_panel_fb_width = value & 0x0FFF0FFF; 1262 break; 1263 case SM501_DC_PANEL_FB_HEIGHT: 1264 s->dc_panel_fb_height = value & 0x0FFF0FFF; 1265 break; 1266 case SM501_DC_PANEL_TL_LOC: 1267 s->dc_panel_tl_location = value & 0x07FF07FF; 1268 break; 1269 case SM501_DC_PANEL_BR_LOC: 1270 s->dc_panel_br_location = value & 0x07FF07FF; 1271 break; 1272 1273 case SM501_DC_PANEL_H_TOT: 1274 s->dc_panel_h_total = value & 0x0FFF0FFF; 1275 break; 1276 case SM501_DC_PANEL_H_SYNC: 1277 s->dc_panel_h_sync = value & 0x00FF0FFF; 1278 break; 1279 case SM501_DC_PANEL_V_TOT: 1280 s->dc_panel_v_total = value & 0x0FFF0FFF; 1281 break; 1282 case SM501_DC_PANEL_V_SYNC: 1283 s->dc_panel_v_sync = value & 0x003F0FFF; 1284 break; 1285 1286 case SM501_DC_PANEL_HWC_ADDR: 1287 value &= 0x8FFFFFF0; 1288 if (value != s->dc_panel_hwc_addr) { 1289 hwc_invalidate(s, 0); 1290 s->dc_panel_hwc_addr = value; 1291 } 1292 break; 1293 case SM501_DC_PANEL_HWC_LOC: 1294 value &= 0x0FFF0FFF; 1295 if (value != s->dc_panel_hwc_location) { 1296 hwc_invalidate(s, 0); 1297 s->dc_panel_hwc_location = value; 1298 } 1299 break; 1300 case SM501_DC_PANEL_HWC_COLOR_1_2: 1301 s->dc_panel_hwc_color_1_2 = value; 1302 break; 1303 case SM501_DC_PANEL_HWC_COLOR_3: 1304 s->dc_panel_hwc_color_3 = value & 0x0000FFFF; 1305 break; 1306 1307 case SM501_DC_VIDEO_CONTROL: 1308 s->dc_video_control = value & 0x00037FFF; 1309 break; 1310 1311 case SM501_DC_CRT_CONTROL: 1312 s->dc_crt_control = value & 0x0003FFFF; 1313 break; 1314 case SM501_DC_CRT_FB_ADDR: 1315 s->dc_crt_fb_addr = value & 0x8FFFFFF0; 1316 if (value & 0x8000000) { 1317 qemu_log_mask(LOG_UNIMP, "CRT external memory not supported\n"); 1318 } 1319 s->do_full_update = true; 1320 break; 1321 case SM501_DC_CRT_FB_OFFSET: 1322 s->dc_crt_fb_offset = value & 0x3FF03FF0; 1323 break; 1324 case SM501_DC_CRT_H_TOT: 1325 s->dc_crt_h_total = value & 0x0FFF0FFF; 1326 break; 1327 case SM501_DC_CRT_H_SYNC: 1328 s->dc_crt_h_sync = value & 0x00FF0FFF; 1329 break; 1330 case SM501_DC_CRT_V_TOT: 1331 s->dc_crt_v_total = value & 0x0FFF0FFF; 1332 break; 1333 case SM501_DC_CRT_V_SYNC: 1334 s->dc_crt_v_sync = value & 0x003F0FFF; 1335 break; 1336 1337 case SM501_DC_CRT_HWC_ADDR: 1338 value &= 0x8FFFFFF0; 1339 if (value != s->dc_crt_hwc_addr) { 1340 hwc_invalidate(s, 1); 1341 s->dc_crt_hwc_addr = value; 1342 } 1343 break; 1344 case SM501_DC_CRT_HWC_LOC: 1345 value &= 0x0FFF0FFF; 1346 if (value != s->dc_crt_hwc_location) { 1347 hwc_invalidate(s, 1); 1348 s->dc_crt_hwc_location = value; 1349 } 1350 break; 1351 case SM501_DC_CRT_HWC_COLOR_1_2: 1352 s->dc_crt_hwc_color_1_2 = value; 1353 break; 1354 case SM501_DC_CRT_HWC_COLOR_3: 1355 s->dc_crt_hwc_color_3 = value & 0x0000FFFF; 1356 break; 1357 1358 case SM501_DC_PANEL_PALETTE ... SM501_DC_PANEL_PALETTE + 0x400 * 3 - 4: 1359 sm501_palette_write(opaque, addr - SM501_DC_PANEL_PALETTE, value); 1360 break; 1361 1362 default: 1363 qemu_log_mask(LOG_UNIMP, "sm501: not implemented disp ctrl register " 1364 "write. addr=%" HWADDR_PRIx 1365 ", val=%" PRIx64 "\n", addr, value); 1366 } 1367 } 1368 1369 static const MemoryRegionOps sm501_disp_ctrl_ops = { 1370 .read = sm501_disp_ctrl_read, 1371 .write = sm501_disp_ctrl_write, 1372 .valid = { 1373 .min_access_size = 4, 1374 .max_access_size = 4, 1375 }, 1376 .endianness = DEVICE_LITTLE_ENDIAN, 1377 }; 1378 1379 static uint64_t sm501_2d_engine_read(void *opaque, hwaddr addr, 1380 unsigned size) 1381 { 1382 SM501State *s = (SM501State *)opaque; 1383 uint32_t ret = 0; 1384 1385 switch (addr) { 1386 case SM501_2D_SOURCE: 1387 ret = s->twoD_source; 1388 break; 1389 case SM501_2D_DESTINATION: 1390 ret = s->twoD_destination; 1391 break; 1392 case SM501_2D_DIMENSION: 1393 ret = s->twoD_dimension; 1394 break; 1395 case SM501_2D_CONTROL: 1396 ret = s->twoD_control; 1397 break; 1398 case SM501_2D_PITCH: 1399 ret = s->twoD_pitch; 1400 break; 1401 case SM501_2D_FOREGROUND: 1402 ret = s->twoD_foreground; 1403 break; 1404 case SM501_2D_BACKGROUND: 1405 ret = s->twoD_background; 1406 break; 1407 case SM501_2D_STRETCH: 1408 ret = s->twoD_stretch; 1409 break; 1410 case SM501_2D_COLOR_COMPARE: 1411 ret = s->twoD_color_compare; 1412 break; 1413 case SM501_2D_COLOR_COMPARE_MASK: 1414 ret = s->twoD_color_compare_mask; 1415 break; 1416 case SM501_2D_MASK: 1417 ret = s->twoD_mask; 1418 break; 1419 case SM501_2D_CLIP_TL: 1420 ret = s->twoD_clip_tl; 1421 break; 1422 case SM501_2D_CLIP_BR: 1423 ret = s->twoD_clip_br; 1424 break; 1425 case SM501_2D_MONO_PATTERN_LOW: 1426 ret = s->twoD_mono_pattern_low; 1427 break; 1428 case SM501_2D_MONO_PATTERN_HIGH: 1429 ret = s->twoD_mono_pattern_high; 1430 break; 1431 case SM501_2D_WINDOW_WIDTH: 1432 ret = s->twoD_window_width; 1433 break; 1434 case SM501_2D_SOURCE_BASE: 1435 ret = s->twoD_source_base; 1436 break; 1437 case SM501_2D_DESTINATION_BASE: 1438 ret = s->twoD_destination_base; 1439 break; 1440 case SM501_2D_ALPHA: 1441 ret = s->twoD_alpha; 1442 break; 1443 case SM501_2D_WRAP: 1444 ret = s->twoD_wrap; 1445 break; 1446 case SM501_2D_STATUS: 1447 ret = 0; /* Should return interrupt status */ 1448 break; 1449 default: 1450 qemu_log_mask(LOG_UNIMP, "sm501: not implemented disp ctrl register " 1451 "read. addr=%" HWADDR_PRIx "\n", addr); 1452 } 1453 trace_sm501_2d_engine_read((uint32_t)addr, ret); 1454 return ret; 1455 } 1456 1457 static void sm501_2d_engine_write(void *opaque, hwaddr addr, 1458 uint64_t value, unsigned size) 1459 { 1460 SM501State *s = (SM501State *)opaque; 1461 1462 trace_sm501_2d_engine_write((uint32_t)addr, (uint32_t)value); 1463 switch (addr) { 1464 case SM501_2D_SOURCE: 1465 s->twoD_source = value; 1466 break; 1467 case SM501_2D_DESTINATION: 1468 s->twoD_destination = value; 1469 break; 1470 case SM501_2D_DIMENSION: 1471 s->twoD_dimension = value; 1472 break; 1473 case SM501_2D_CONTROL: 1474 s->twoD_control = value; 1475 1476 /* do 2d operation if start flag is set. */ 1477 if (value & 0x80000000) { 1478 sm501_2d_operation(s); 1479 s->twoD_control &= ~0x80000000; /* start flag down */ 1480 } 1481 1482 break; 1483 case SM501_2D_PITCH: 1484 s->twoD_pitch = value; 1485 break; 1486 case SM501_2D_FOREGROUND: 1487 s->twoD_foreground = value; 1488 break; 1489 case SM501_2D_BACKGROUND: 1490 s->twoD_background = value; 1491 break; 1492 case SM501_2D_STRETCH: 1493 if (((value >> 20) & 3) == 3) { 1494 value &= ~BIT(20); 1495 } 1496 s->twoD_stretch = value; 1497 break; 1498 case SM501_2D_COLOR_COMPARE: 1499 s->twoD_color_compare = value; 1500 break; 1501 case SM501_2D_COLOR_COMPARE_MASK: 1502 s->twoD_color_compare_mask = value; 1503 break; 1504 case SM501_2D_MASK: 1505 s->twoD_mask = value; 1506 break; 1507 case SM501_2D_CLIP_TL: 1508 s->twoD_clip_tl = value; 1509 break; 1510 case SM501_2D_CLIP_BR: 1511 s->twoD_clip_br = value; 1512 break; 1513 case SM501_2D_MONO_PATTERN_LOW: 1514 s->twoD_mono_pattern_low = value; 1515 break; 1516 case SM501_2D_MONO_PATTERN_HIGH: 1517 s->twoD_mono_pattern_high = value; 1518 break; 1519 case SM501_2D_WINDOW_WIDTH: 1520 s->twoD_window_width = value; 1521 break; 1522 case SM501_2D_SOURCE_BASE: 1523 s->twoD_source_base = value; 1524 break; 1525 case SM501_2D_DESTINATION_BASE: 1526 s->twoD_destination_base = value; 1527 break; 1528 case SM501_2D_ALPHA: 1529 s->twoD_alpha = value; 1530 break; 1531 case SM501_2D_WRAP: 1532 s->twoD_wrap = value; 1533 break; 1534 case SM501_2D_STATUS: 1535 /* ignored, writing 0 should clear interrupt status */ 1536 break; 1537 default: 1538 qemu_log_mask(LOG_UNIMP, "sm501: not implemented 2d engine register " 1539 "write. addr=%" HWADDR_PRIx 1540 ", val=%" PRIx64 "\n", addr, value); 1541 } 1542 } 1543 1544 static const MemoryRegionOps sm501_2d_engine_ops = { 1545 .read = sm501_2d_engine_read, 1546 .write = sm501_2d_engine_write, 1547 .valid = { 1548 .min_access_size = 4, 1549 .max_access_size = 4, 1550 }, 1551 .endianness = DEVICE_LITTLE_ENDIAN, 1552 }; 1553 1554 /* draw line functions for all console modes */ 1555 1556 typedef void draw_line_func(uint8_t *d, const uint8_t *s, 1557 int width, const uint32_t *pal); 1558 1559 typedef void draw_hwc_line_func(uint8_t *d, const uint8_t *s, 1560 int width, const uint8_t *palette, 1561 int c_x, int c_y); 1562 1563 static void draw_line8_32(uint8_t *d, const uint8_t *s, int width, 1564 const uint32_t *pal) 1565 { 1566 uint8_t v, r, g, b; 1567 do { 1568 v = ldub_p(s); 1569 r = (pal[v] >> 16) & 0xff; 1570 g = (pal[v] >> 8) & 0xff; 1571 b = (pal[v] >> 0) & 0xff; 1572 *(uint32_t *)d = rgb_to_pixel32(r, g, b); 1573 s++; 1574 d += 4; 1575 } while (--width != 0); 1576 } 1577 1578 static void draw_line16_32(uint8_t *d, const uint8_t *s, int width, 1579 const uint32_t *pal) 1580 { 1581 uint16_t rgb565; 1582 uint8_t r, g, b; 1583 1584 do { 1585 rgb565 = lduw_le_p(s); 1586 r = (rgb565 >> 8) & 0xf8; 1587 g = (rgb565 >> 3) & 0xfc; 1588 b = (rgb565 << 3) & 0xf8; 1589 *(uint32_t *)d = rgb_to_pixel32(r, g, b); 1590 s += 2; 1591 d += 4; 1592 } while (--width != 0); 1593 } 1594 1595 static void draw_line32_32(uint8_t *d, const uint8_t *s, int width, 1596 const uint32_t *pal) 1597 { 1598 uint8_t r, g, b; 1599 1600 do { 1601 r = s[2]; 1602 g = s[1]; 1603 b = s[0]; 1604 *(uint32_t *)d = rgb_to_pixel32(r, g, b); 1605 s += 4; 1606 d += 4; 1607 } while (--width != 0); 1608 } 1609 1610 /** 1611 * Draw hardware cursor image on the given line. 1612 */ 1613 static void draw_hwc_line_32(uint8_t *d, const uint8_t *s, int width, 1614 const uint8_t *palette, int c_x, int c_y) 1615 { 1616 int i; 1617 uint8_t r, g, b, v, bitset = 0; 1618 1619 /* get cursor position */ 1620 assert(0 <= c_y && c_y < SM501_HWC_HEIGHT); 1621 s += SM501_HWC_WIDTH * c_y / 4; /* 4 pixels per byte */ 1622 d += c_x * 4; 1623 1624 for (i = 0; i < SM501_HWC_WIDTH && c_x + i < width; i++) { 1625 /* get pixel value */ 1626 if (i % 4 == 0) { 1627 bitset = ldub_p(s); 1628 s++; 1629 } 1630 v = bitset & 3; 1631 bitset >>= 2; 1632 1633 /* write pixel */ 1634 if (v) { 1635 v--; 1636 r = palette[v * 3 + 0]; 1637 g = palette[v * 3 + 1]; 1638 b = palette[v * 3 + 2]; 1639 *(uint32_t *)d = rgb_to_pixel32(r, g, b); 1640 } 1641 d += 4; 1642 } 1643 } 1644 1645 static void sm501_update_display(void *opaque) 1646 { 1647 SM501State *s = (SM501State *)opaque; 1648 DisplaySurface *surface = qemu_console_surface(s->con); 1649 DirtyBitmapSnapshot *snap; 1650 int y, c_x = 0, c_y = 0; 1651 int crt = (s->dc_crt_control & SM501_DC_CRT_CONTROL_SEL) ? 1 : 0; 1652 int width = get_width(s, crt); 1653 int height = get_height(s, crt); 1654 int src_bpp = get_bpp(s, crt); 1655 int dst_bpp = surface_bytes_per_pixel(surface); 1656 draw_line_func *draw_line = NULL; 1657 draw_hwc_line_func *draw_hwc_line = NULL; 1658 int full_update = 0; 1659 int y_start = -1; 1660 ram_addr_t offset; 1661 uint32_t *palette; 1662 uint8_t hwc_palette[3 * 3]; 1663 uint8_t *hwc_src = NULL; 1664 1665 assert(dst_bpp == 4); /* Output is always 32-bit RGB */ 1666 1667 if (!((crt ? s->dc_crt_control : s->dc_panel_control) 1668 & SM501_DC_CRT_CONTROL_ENABLE)) { 1669 return; 1670 } 1671 1672 palette = (uint32_t *)(crt ? &s->dc_palette[SM501_DC_CRT_PALETTE - 1673 SM501_DC_PANEL_PALETTE] 1674 : &s->dc_palette[0]); 1675 1676 /* choose draw_line function */ 1677 switch (src_bpp) { 1678 case 1: 1679 draw_line = draw_line8_32; 1680 break; 1681 case 2: 1682 draw_line = draw_line16_32; 1683 break; 1684 case 4: 1685 draw_line = draw_line32_32; 1686 break; 1687 default: 1688 qemu_log_mask(LOG_GUEST_ERROR, "sm501: update display" 1689 "invalid control register value.\n"); 1690 return; 1691 } 1692 1693 /* set up to draw hardware cursor */ 1694 if (is_hwc_enabled(s, crt)) { 1695 /* choose cursor draw line function */ 1696 draw_hwc_line = draw_hwc_line_32; 1697 hwc_src = get_hwc_address(s, crt); 1698 c_x = get_hwc_x(s, crt); 1699 c_y = get_hwc_y(s, crt); 1700 get_hwc_palette(s, crt, hwc_palette); 1701 } 1702 1703 /* adjust console size */ 1704 if (s->last_width != width || s->last_height != height) { 1705 qemu_console_resize(s->con, width, height); 1706 surface = qemu_console_surface(s->con); 1707 s->last_width = width; 1708 s->last_height = height; 1709 full_update = 1; 1710 } 1711 1712 /* someone else requested a full update */ 1713 if (s->do_full_update) { 1714 s->do_full_update = false; 1715 full_update = 1; 1716 } 1717 1718 /* draw each line according to conditions */ 1719 offset = get_fb_addr(s, crt); 1720 snap = memory_region_snapshot_and_clear_dirty(&s->local_mem_region, 1721 offset, width * height * src_bpp, DIRTY_MEMORY_VGA); 1722 for (y = 0; y < height; y++, offset += width * src_bpp) { 1723 int update, update_hwc; 1724 1725 /* check if hardware cursor is enabled and we're within its range */ 1726 update_hwc = draw_hwc_line && c_y <= y && y < c_y + SM501_HWC_HEIGHT; 1727 update = full_update || update_hwc; 1728 /* check dirty flags for each line */ 1729 update |= memory_region_snapshot_get_dirty(&s->local_mem_region, snap, 1730 offset, width * src_bpp); 1731 1732 /* draw line and change status */ 1733 if (update) { 1734 uint8_t *d = surface_data(surface); 1735 d += y * width * dst_bpp; 1736 1737 /* draw graphics layer */ 1738 draw_line(d, s->local_mem + offset, width, palette); 1739 1740 /* draw hardware cursor */ 1741 if (update_hwc) { 1742 draw_hwc_line(d, hwc_src, width, hwc_palette, c_x, y - c_y); 1743 } 1744 1745 if (y_start < 0) { 1746 y_start = y; 1747 } 1748 } else { 1749 if (y_start >= 0) { 1750 /* flush to display */ 1751 dpy_gfx_update(s->con, 0, y_start, width, y - y_start); 1752 y_start = -1; 1753 } 1754 } 1755 } 1756 g_free(snap); 1757 1758 /* complete flush to display */ 1759 if (y_start >= 0) { 1760 dpy_gfx_update(s->con, 0, y_start, width, y - y_start); 1761 } 1762 } 1763 1764 static const GraphicHwOps sm501_ops = { 1765 .gfx_update = sm501_update_display, 1766 }; 1767 1768 static void sm501_reset(SM501State *s) 1769 { 1770 s->system_control = 0x00100000; /* 2D engine FIFO empty */ 1771 /* Bits 17 (SH), 7 (CDR), 6:5 (Test), 2:0 (Bus) are all supposed 1772 * to be determined at reset by GPIO lines which set config bits. 1773 * We hardwire them: 1774 * SH = 0 : Hitachi Ready Polarity == Active Low 1775 * CDR = 0 : do not reset clock divider 1776 * TEST = 0 : Normal mode (not testing the silicon) 1777 * BUS = 0 : Hitachi SH3/SH4 1778 */ 1779 s->misc_control = SM501_MISC_DAC_POWER; 1780 s->gpio_31_0_control = 0; 1781 s->gpio_63_32_control = 0; 1782 s->dram_control = 0; 1783 s->arbitration_control = 0x05146732; 1784 s->irq_mask = 0; 1785 s->misc_timing = 0; 1786 s->power_mode_control = 0; 1787 s->i2c_byte_count = 0; 1788 s->i2c_status = 0; 1789 s->i2c_addr = 0; 1790 memset(s->i2c_data, 0, 16); 1791 s->dc_panel_control = 0x00010000; /* FIFO level 3 */ 1792 s->dc_video_control = 0; 1793 s->dc_crt_control = 0x00010000; 1794 s->twoD_source = 0; 1795 s->twoD_destination = 0; 1796 s->twoD_dimension = 0; 1797 s->twoD_control = 0; 1798 s->twoD_pitch = 0; 1799 s->twoD_foreground = 0; 1800 s->twoD_background = 0; 1801 s->twoD_stretch = 0; 1802 s->twoD_color_compare = 0; 1803 s->twoD_color_compare_mask = 0; 1804 s->twoD_mask = 0; 1805 s->twoD_clip_tl = 0; 1806 s->twoD_clip_br = 0; 1807 s->twoD_mono_pattern_low = 0; 1808 s->twoD_mono_pattern_high = 0; 1809 s->twoD_window_width = 0; 1810 s->twoD_source_base = 0; 1811 s->twoD_destination_base = 0; 1812 s->twoD_alpha = 0; 1813 s->twoD_wrap = 0; 1814 } 1815 1816 static void sm501_init(SM501State *s, DeviceState *dev, 1817 uint32_t local_mem_bytes) 1818 { 1819 s->local_mem_size_index = get_local_mem_size_index(local_mem_bytes); 1820 1821 /* local memory */ 1822 memory_region_init_ram(&s->local_mem_region, OBJECT(dev), "sm501.local", 1823 get_local_mem_size(s), &error_fatal); 1824 memory_region_set_log(&s->local_mem_region, true, DIRTY_MEMORY_VGA); 1825 s->local_mem = memory_region_get_ram_ptr(&s->local_mem_region); 1826 1827 /* i2c */ 1828 s->i2c_bus = i2c_init_bus(dev, "sm501.i2c"); 1829 /* ddc */ 1830 I2CDDCState *ddc = I2CDDC(qdev_new(TYPE_I2CDDC)); 1831 i2c_slave_set_address(I2C_SLAVE(ddc), 0x50); 1832 qdev_realize_and_unref(DEVICE(ddc), BUS(s->i2c_bus), &error_abort); 1833 1834 /* mmio */ 1835 memory_region_init(&s->mmio_region, OBJECT(dev), "sm501.mmio", MMIO_SIZE); 1836 memory_region_init_io(&s->system_config_region, OBJECT(dev), 1837 &sm501_system_config_ops, s, 1838 "sm501-system-config", 0x6c); 1839 memory_region_add_subregion(&s->mmio_region, SM501_SYS_CONFIG, 1840 &s->system_config_region); 1841 memory_region_init_io(&s->i2c_region, OBJECT(dev), &sm501_i2c_ops, s, 1842 "sm501-i2c", 0x14); 1843 memory_region_add_subregion(&s->mmio_region, SM501_I2C, &s->i2c_region); 1844 memory_region_init_io(&s->disp_ctrl_region, OBJECT(dev), 1845 &sm501_disp_ctrl_ops, s, 1846 "sm501-disp-ctrl", 0x1000); 1847 memory_region_add_subregion(&s->mmio_region, SM501_DC, 1848 &s->disp_ctrl_region); 1849 memory_region_init_io(&s->twoD_engine_region, OBJECT(dev), 1850 &sm501_2d_engine_ops, s, 1851 "sm501-2d-engine", 0x54); 1852 memory_region_add_subregion(&s->mmio_region, SM501_2D_ENGINE, 1853 &s->twoD_engine_region); 1854 1855 /* create qemu graphic console */ 1856 s->con = graphic_console_init(dev, 0, &sm501_ops, s); 1857 } 1858 1859 static const VMStateDescription vmstate_sm501_state = { 1860 .name = "sm501-state", 1861 .version_id = 1, 1862 .minimum_version_id = 1, 1863 .fields = (VMStateField[]) { 1864 VMSTATE_UINT32(local_mem_size_index, SM501State), 1865 VMSTATE_UINT32(system_control, SM501State), 1866 VMSTATE_UINT32(misc_control, SM501State), 1867 VMSTATE_UINT32(gpio_31_0_control, SM501State), 1868 VMSTATE_UINT32(gpio_63_32_control, SM501State), 1869 VMSTATE_UINT32(dram_control, SM501State), 1870 VMSTATE_UINT32(arbitration_control, SM501State), 1871 VMSTATE_UINT32(irq_mask, SM501State), 1872 VMSTATE_UINT32(misc_timing, SM501State), 1873 VMSTATE_UINT32(power_mode_control, SM501State), 1874 VMSTATE_UINT32(uart0_ier, SM501State), 1875 VMSTATE_UINT32(uart0_lcr, SM501State), 1876 VMSTATE_UINT32(uart0_mcr, SM501State), 1877 VMSTATE_UINT32(uart0_scr, SM501State), 1878 VMSTATE_UINT8_ARRAY(dc_palette, SM501State, DC_PALETTE_ENTRIES), 1879 VMSTATE_UINT32(dc_panel_control, SM501State), 1880 VMSTATE_UINT32(dc_panel_panning_control, SM501State), 1881 VMSTATE_UINT32(dc_panel_fb_addr, SM501State), 1882 VMSTATE_UINT32(dc_panel_fb_offset, SM501State), 1883 VMSTATE_UINT32(dc_panel_fb_width, SM501State), 1884 VMSTATE_UINT32(dc_panel_fb_height, SM501State), 1885 VMSTATE_UINT32(dc_panel_tl_location, SM501State), 1886 VMSTATE_UINT32(dc_panel_br_location, SM501State), 1887 VMSTATE_UINT32(dc_panel_h_total, SM501State), 1888 VMSTATE_UINT32(dc_panel_h_sync, SM501State), 1889 VMSTATE_UINT32(dc_panel_v_total, SM501State), 1890 VMSTATE_UINT32(dc_panel_v_sync, SM501State), 1891 VMSTATE_UINT32(dc_panel_hwc_addr, SM501State), 1892 VMSTATE_UINT32(dc_panel_hwc_location, SM501State), 1893 VMSTATE_UINT32(dc_panel_hwc_color_1_2, SM501State), 1894 VMSTATE_UINT32(dc_panel_hwc_color_3, SM501State), 1895 VMSTATE_UINT32(dc_video_control, SM501State), 1896 VMSTATE_UINT32(dc_crt_control, SM501State), 1897 VMSTATE_UINT32(dc_crt_fb_addr, SM501State), 1898 VMSTATE_UINT32(dc_crt_fb_offset, SM501State), 1899 VMSTATE_UINT32(dc_crt_h_total, SM501State), 1900 VMSTATE_UINT32(dc_crt_h_sync, SM501State), 1901 VMSTATE_UINT32(dc_crt_v_total, SM501State), 1902 VMSTATE_UINT32(dc_crt_v_sync, SM501State), 1903 VMSTATE_UINT32(dc_crt_hwc_addr, SM501State), 1904 VMSTATE_UINT32(dc_crt_hwc_location, SM501State), 1905 VMSTATE_UINT32(dc_crt_hwc_color_1_2, SM501State), 1906 VMSTATE_UINT32(dc_crt_hwc_color_3, SM501State), 1907 VMSTATE_UINT32(twoD_source, SM501State), 1908 VMSTATE_UINT32(twoD_destination, SM501State), 1909 VMSTATE_UINT32(twoD_dimension, SM501State), 1910 VMSTATE_UINT32(twoD_control, SM501State), 1911 VMSTATE_UINT32(twoD_pitch, SM501State), 1912 VMSTATE_UINT32(twoD_foreground, SM501State), 1913 VMSTATE_UINT32(twoD_background, SM501State), 1914 VMSTATE_UINT32(twoD_stretch, SM501State), 1915 VMSTATE_UINT32(twoD_color_compare, SM501State), 1916 VMSTATE_UINT32(twoD_color_compare_mask, SM501State), 1917 VMSTATE_UINT32(twoD_mask, SM501State), 1918 VMSTATE_UINT32(twoD_clip_tl, SM501State), 1919 VMSTATE_UINT32(twoD_clip_br, SM501State), 1920 VMSTATE_UINT32(twoD_mono_pattern_low, SM501State), 1921 VMSTATE_UINT32(twoD_mono_pattern_high, SM501State), 1922 VMSTATE_UINT32(twoD_window_width, SM501State), 1923 VMSTATE_UINT32(twoD_source_base, SM501State), 1924 VMSTATE_UINT32(twoD_destination_base, SM501State), 1925 VMSTATE_UINT32(twoD_alpha, SM501State), 1926 VMSTATE_UINT32(twoD_wrap, SM501State), 1927 /* Added in version 2 */ 1928 VMSTATE_UINT8(i2c_byte_count, SM501State), 1929 VMSTATE_UINT8(i2c_status, SM501State), 1930 VMSTATE_UINT8(i2c_addr, SM501State), 1931 VMSTATE_UINT8_ARRAY(i2c_data, SM501State, 16), 1932 VMSTATE_END_OF_LIST() 1933 } 1934 }; 1935 1936 #define TYPE_SYSBUS_SM501 "sysbus-sm501" 1937 OBJECT_DECLARE_SIMPLE_TYPE(SM501SysBusState, SYSBUS_SM501) 1938 1939 struct SM501SysBusState { 1940 /*< private >*/ 1941 SysBusDevice parent_obj; 1942 /*< public >*/ 1943 SM501State state; 1944 uint32_t vram_size; 1945 uint32_t base; 1946 SerialMM serial; 1947 }; 1948 1949 static void sm501_realize_sysbus(DeviceState *dev, Error **errp) 1950 { 1951 SM501SysBusState *s = SYSBUS_SM501(dev); 1952 SysBusDevice *sbd = SYS_BUS_DEVICE(dev); 1953 DeviceState *usb_dev; 1954 MemoryRegion *mr; 1955 1956 sm501_init(&s->state, dev, s->vram_size); 1957 if (get_local_mem_size(&s->state) != s->vram_size) { 1958 error_setg(errp, "Invalid VRAM size, nearest valid size is %" PRIu32, 1959 get_local_mem_size(&s->state)); 1960 return; 1961 } 1962 sysbus_init_mmio(sbd, &s->state.local_mem_region); 1963 sysbus_init_mmio(sbd, &s->state.mmio_region); 1964 1965 /* bridge to usb host emulation module */ 1966 usb_dev = qdev_new("sysbus-ohci"); 1967 qdev_prop_set_uint32(usb_dev, "num-ports", 2); 1968 qdev_prop_set_uint64(usb_dev, "dma-offset", s->base); 1969 sysbus_realize_and_unref(SYS_BUS_DEVICE(usb_dev), &error_fatal); 1970 memory_region_add_subregion(&s->state.mmio_region, SM501_USB_HOST, 1971 sysbus_mmio_get_region(SYS_BUS_DEVICE(usb_dev), 0)); 1972 sysbus_pass_irq(sbd, SYS_BUS_DEVICE(usb_dev)); 1973 1974 /* bridge to serial emulation module */ 1975 sysbus_realize(SYS_BUS_DEVICE(&s->serial), &error_fatal); 1976 mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->serial), 0); 1977 memory_region_add_subregion(&s->state.mmio_region, SM501_UART0, mr); 1978 /* TODO : chain irq to IRL */ 1979 } 1980 1981 static Property sm501_sysbus_properties[] = { 1982 DEFINE_PROP_UINT32("vram-size", SM501SysBusState, vram_size, 0), 1983 DEFINE_PROP_UINT32("base", SM501SysBusState, base, 0), 1984 DEFINE_PROP_END_OF_LIST(), 1985 }; 1986 1987 static void sm501_reset_sysbus(DeviceState *dev) 1988 { 1989 SM501SysBusState *s = SYSBUS_SM501(dev); 1990 sm501_reset(&s->state); 1991 } 1992 1993 static const VMStateDescription vmstate_sm501_sysbus = { 1994 .name = TYPE_SYSBUS_SM501, 1995 .version_id = 2, 1996 .minimum_version_id = 2, 1997 .fields = (VMStateField[]) { 1998 VMSTATE_STRUCT(state, SM501SysBusState, 1, 1999 vmstate_sm501_state, SM501State), 2000 VMSTATE_END_OF_LIST() 2001 } 2002 }; 2003 2004 static void sm501_sysbus_class_init(ObjectClass *klass, void *data) 2005 { 2006 DeviceClass *dc = DEVICE_CLASS(klass); 2007 2008 dc->realize = sm501_realize_sysbus; 2009 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 2010 dc->desc = "SM501 Multimedia Companion"; 2011 device_class_set_props(dc, sm501_sysbus_properties); 2012 dc->reset = sm501_reset_sysbus; 2013 dc->vmsd = &vmstate_sm501_sysbus; 2014 } 2015 2016 static void sm501_sysbus_init(Object *o) 2017 { 2018 SM501SysBusState *sm501 = SYSBUS_SM501(o); 2019 SerialMM *smm = &sm501->serial; 2020 2021 object_initialize_child(o, "serial", smm, TYPE_SERIAL_MM); 2022 qdev_set_legacy_instance_id(DEVICE(smm), SM501_UART0, 2); 2023 qdev_prop_set_uint8(DEVICE(smm), "regshift", 2); 2024 qdev_prop_set_uint8(DEVICE(smm), "endianness", DEVICE_LITTLE_ENDIAN); 2025 2026 object_property_add_alias(o, "chardev", 2027 OBJECT(smm), "chardev"); 2028 } 2029 2030 static const TypeInfo sm501_sysbus_info = { 2031 .name = TYPE_SYSBUS_SM501, 2032 .parent = TYPE_SYS_BUS_DEVICE, 2033 .instance_size = sizeof(SM501SysBusState), 2034 .class_init = sm501_sysbus_class_init, 2035 .instance_init = sm501_sysbus_init, 2036 }; 2037 2038 #define TYPE_PCI_SM501 "sm501" 2039 OBJECT_DECLARE_SIMPLE_TYPE(SM501PCIState, PCI_SM501) 2040 2041 struct SM501PCIState { 2042 /*< private >*/ 2043 PCIDevice parent_obj; 2044 /*< public >*/ 2045 SM501State state; 2046 uint32_t vram_size; 2047 }; 2048 2049 static void sm501_realize_pci(PCIDevice *dev, Error **errp) 2050 { 2051 SM501PCIState *s = PCI_SM501(dev); 2052 2053 sm501_init(&s->state, DEVICE(dev), s->vram_size); 2054 if (get_local_mem_size(&s->state) != s->vram_size) { 2055 error_setg(errp, "Invalid VRAM size, nearest valid size is %" PRIu32, 2056 get_local_mem_size(&s->state)); 2057 return; 2058 } 2059 pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, 2060 &s->state.local_mem_region); 2061 pci_register_bar(dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, 2062 &s->state.mmio_region); 2063 } 2064 2065 static Property sm501_pci_properties[] = { 2066 DEFINE_PROP_UINT32("vram-size", SM501PCIState, vram_size, 64 * MiB), 2067 DEFINE_PROP_END_OF_LIST(), 2068 }; 2069 2070 static void sm501_reset_pci(DeviceState *dev) 2071 { 2072 SM501PCIState *s = PCI_SM501(dev); 2073 sm501_reset(&s->state); 2074 /* Bits 2:0 of misc_control register is 001 for PCI */ 2075 s->state.misc_control |= 1; 2076 } 2077 2078 static const VMStateDescription vmstate_sm501_pci = { 2079 .name = TYPE_PCI_SM501, 2080 .version_id = 2, 2081 .minimum_version_id = 2, 2082 .fields = (VMStateField[]) { 2083 VMSTATE_PCI_DEVICE(parent_obj, SM501PCIState), 2084 VMSTATE_STRUCT(state, SM501PCIState, 1, 2085 vmstate_sm501_state, SM501State), 2086 VMSTATE_END_OF_LIST() 2087 } 2088 }; 2089 2090 static void sm501_pci_class_init(ObjectClass *klass, void *data) 2091 { 2092 DeviceClass *dc = DEVICE_CLASS(klass); 2093 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2094 2095 k->realize = sm501_realize_pci; 2096 k->vendor_id = PCI_VENDOR_ID_SILICON_MOTION; 2097 k->device_id = PCI_DEVICE_ID_SM501; 2098 k->class_id = PCI_CLASS_DISPLAY_OTHER; 2099 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 2100 dc->desc = "SM501 Display Controller"; 2101 device_class_set_props(dc, sm501_pci_properties); 2102 dc->reset = sm501_reset_pci; 2103 dc->hotpluggable = false; 2104 dc->vmsd = &vmstate_sm501_pci; 2105 } 2106 2107 static const TypeInfo sm501_pci_info = { 2108 .name = TYPE_PCI_SM501, 2109 .parent = TYPE_PCI_DEVICE, 2110 .instance_size = sizeof(SM501PCIState), 2111 .class_init = sm501_pci_class_init, 2112 .interfaces = (InterfaceInfo[]) { 2113 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 2114 { }, 2115 }, 2116 }; 2117 2118 static void sm501_register_types(void) 2119 { 2120 type_register_static(&sm501_sysbus_info); 2121 type_register_static(&sm501_pci_info); 2122 } 2123 2124 type_init(sm501_register_types) 2125