/* * 86Box A hypervisor and IBM PC system emulator that specializes in * running old operating systems and software designed for IBM * PC systems and compatibles from 1981 through fairly recent * system designs based on the PCI bus. * * This file is part of the 86Box distribution. * * S3 emulation. * * * * Authors: Sarah Walker, * Miran Grca, * * Copyright 2008-2019 Sarah Walker. * Copyright 2016-2019 Miran Grca. */ #include #include #include #include #include #include <86box/86box.h> #include <86box/device.h> #include <86box/io.h> #include <86box/timer.h> #include <86box/mem.h> #include <86box/pci.h> #include <86box/rom.h> #include <86box/plat.h> #include <86box/video.h> #include <86box/vid_svga.h> #include <86box/vid_svga_render.h> #include "cpu.h" #define ROM_ORCHID_86C911 L"roms/video/s3/BIOS.BIN" #define ROM_METHEUS_86C928 L"roms/video/s3/928.vbi" #define ROM_V7MIRAGE_86C801 L"roms/video/s3/v7mirage.vbi" #define ROM_PHOENIX_86C805 L"roms/video/s3/805.vbi" #define ROM_PARADISE_BAHAMAS64 L"roms/video/s3/bahamas64.bin" #define ROM_PHOENIX_VISION864 L"roms/video/s3/86c864p.bin" #define ROM_DIAMOND_STEALTH64_964 L"roms/video/s3/964_107h.rom" #define ROM_PHOENIX_TRIO32 L"roms/video/s3/86c732p.bin" #define ROM_NUMBER9_9FX L"roms/video/s3/s3_764.bin" #define ROM_PHOENIX_TRIO64 L"roms/video/s3/86c764x1.bin" #define ROM_DIAMOND_STEALTH64_764 L"roms/video/s3/stealt64.bin" enum { S3_NUMBER9_9FX, S3_PARADISE_BAHAMAS64, S3_DIAMOND_STEALTH64_964, S3_PHOENIX_TRIO32, S3_PHOENIX_TRIO64, S3_PHOENIX_TRIO64_ONBOARD, S3_PHOENIX_VISION864, S3_DIAMOND_STEALTH64_764, S3_V7MIRAGE_86C801, S3_PHOENIX_86C805, S3_ORCHID_86C911, S3_METHEUS_86C928 }; enum { S3_86C801, S3_86C805, S3_86C928, S3_86C911, S3_VISION864, S3_VISION964, S3_TRIO32, S3_TRIO64 }; static video_timings_t timing_s3_86c911 = {VIDEO_ISA, 4, 4, 5, 20, 20, 35}; static video_timings_t timing_s3_86c801 = {VIDEO_ISA, 4, 4, 5, 20, 20, 35}; static video_timings_t timing_s3_86c805 = {VIDEO_BUS, 4, 4, 5, 20, 20, 35}; static video_timings_t timing_s3_stealth64_vlb = {VIDEO_BUS, 2, 2, 4, 26, 26, 42}; static video_timings_t timing_s3_stealth64_pci = {VIDEO_PCI, 2, 2, 4, 26, 26, 42}; static video_timings_t timing_s3_vision864_vlb = {VIDEO_BUS, 4, 4, 5, 20, 20, 35}; static video_timings_t timing_s3_vision864_pci = {VIDEO_PCI, 4, 4, 5, 20, 20, 35}; static video_timings_t timing_s3_vision964_vlb = {VIDEO_BUS, 2, 2, 4, 20, 20, 35}; static video_timings_t timing_s3_vision964_pci = {VIDEO_PCI, 2, 2, 4, 20, 20, 35}; static video_timings_t timing_s3_trio32_vlb = {VIDEO_BUS, 4, 3, 5, 26, 26, 42}; static video_timings_t timing_s3_trio32_pci = {VIDEO_PCI, 4, 3, 5, 26, 26, 42}; static video_timings_t timing_s3_trio64_vlb = {VIDEO_BUS, 3, 2, 4, 25, 25, 40}; static video_timings_t timing_s3_trio64_pci = {VIDEO_PCI, 3, 2, 4, 25, 25, 40}; enum { VRAM_4MB = 0, VRAM_8MB = 3, VRAM_2MB = 4, VRAM_1MB = 6, VRAM_512KB = 7 }; #define FIFO_SIZE 65536 #define FIFO_MASK (FIFO_SIZE - 1) #define FIFO_ENTRY_SIZE (1 << 31) #define FIFO_ENTRIES (s3->fifo_write_idx - s3->fifo_read_idx) #define FIFO_FULL ((s3->fifo_write_idx - s3->fifo_read_idx) >= FIFO_SIZE) #define FIFO_EMPTY (s3->fifo_read_idx == s3->fifo_write_idx) #define FIFO_TYPE 0xff000000 #define FIFO_ADDR 0x00ffffff enum { FIFO_INVALID = (0x00 << 24), FIFO_WRITE_BYTE = (0x01 << 24), FIFO_WRITE_WORD = (0x02 << 24), FIFO_WRITE_DWORD = (0x03 << 24), FIFO_OUT_BYTE = (0x04 << 24), FIFO_OUT_WORD = (0x05 << 24), FIFO_OUT_DWORD = (0x06 << 24) }; typedef struct { uint32_t addr_type; uint32_t val; } fifo_entry_t; typedef struct s3_t { mem_mapping_t linear_mapping; mem_mapping_t mmio_mapping; uint8_t has_bios; rom_t bios_rom; svga_t svga; uint8_t bank; uint8_t ma_ext; int width, bpp; int chip; int pci, vlb; uint8_t id, id_ext, id_ext_pci; uint8_t int_line; int packed_mmio; uint32_t linear_base, linear_size; uint8_t pci_regs[256]; int card; uint32_t vram_mask; uint8_t status_9ae8; uint8_t data_available; struct { uint16_t subsys_cntl; uint16_t setup_md; uint8_t advfunc_cntl; uint16_t cur_y, cur_y2; uint16_t cur_x, cur_x2; uint16_t x2; int16_t desty_axstp, desty_axstp2; int16_t destx_distp; int16_t err_term, err_term2; int16_t maj_axis_pcnt, maj_axis_pcnt2; uint16_t cmd; uint16_t short_stroke; uint32_t bkgd_color; uint32_t frgd_color; uint32_t wrt_mask; uint32_t rd_mask; uint32_t color_cmp; uint8_t bkgd_mix; uint8_t frgd_mix; uint16_t multifunc_cntl; uint16_t multifunc[16]; uint8_t pix_trans[4]; int cx, cy; int sx, sy; int dx, dy; uint32_t src, dest, pattern; int pix_trans_count; int poly_cx, poly_cx2; int poly_cy, poly_cy2; int point_1_updated, point_2_updated; int poly_dx1, poly_dx2; int poly_x; uint32_t dat_buf; int dat_count; } accel; fifo_entry_t fifo[FIFO_SIZE]; volatile int fifo_read_idx, fifo_write_idx; thread_t *fifo_thread; event_t *wake_fifo_thread; event_t *fifo_not_full_event; int blitter_busy; uint64_t blitter_time; uint64_t status_time; uint8_t subsys_cntl, subsys_stat; uint32_t hwc_fg_col, hwc_bg_col; int hwc_col_stack_pos; int translate; } s3_t; #define INT_VSY (1 << 0) #define INT_GE_BSY (1 << 1) #define INT_FIFO_OVR (1 << 2) #define INT_FIFO_EMP (1 << 3) #define INT_MASK 0xf void s3_updatemapping(); void s3_accel_write(uint32_t addr, uint8_t val, void *p); void s3_accel_write_w(uint32_t addr, uint16_t val, void *p); void s3_accel_write_l(uint32_t addr, uint32_t val, void *p); uint8_t s3_accel_read(uint32_t addr, void *p); uint16_t s3_accel_read_w(uint32_t addr, void *p); uint32_t s3_accel_read_l(uint32_t addr, void *p); void s3_out(uint16_t addr, uint8_t val, void *p); uint8_t s3_in(uint16_t addr, void *p); void s3_accel_out(uint16_t port, uint8_t val, void *p); void s3_accel_out_w(uint16_t port, uint16_t val, void *p); void s3_accel_out_l(uint16_t port, uint32_t val, void *p); uint8_t s3_accel_in(uint16_t port, void *p); static inline void wake_fifo_thread(s3_t *s3) { thread_set_event(s3->wake_fifo_thread); /*Wake up FIFO thread if moving from idle*/ } static void s3_wait_fifo_idle(s3_t *s3) { while (!FIFO_EMPTY) { wake_fifo_thread(s3); thread_wait_event(s3->fifo_not_full_event, 1); } } static void s3_update_irqs(s3_t *s3) { if (!s3->pci) { return; } if (s3->subsys_cntl & s3->subsys_stat & INT_MASK) pci_set_irq(s3->card, PCI_INTA); else pci_clear_irq(s3->card, PCI_INTA); } void s3_accel_start(int count, int cpu_input, uint32_t mix_dat, uint32_t cpu_dat, s3_t *s3); #define WRITE8(addr, var, val) switch ((addr) & 3) \ { \ case 0: var = (var & 0xffffff00) | (val); break; \ case 1: var = (var & 0xffff00ff) | ((val) << 8); break; \ case 2: var = (var & 0xff00ffff) | ((val) << 16); break; \ case 3: var = (var & 0x00ffffff) | ((val) << 24); break; \ } int s3_cpu_src(s3_t *s3) { if (!(s3->accel.cmd & 0x100)) return 0; if (s3->chip > S3_86C911) return 1; if (s3->accel.cmd & 1) return 1; return 0; } int s3_cpu_dest(s3_t *s3) { if (!(s3->accel.cmd & 0x100)) return 0; if (s3->chip > S3_86C911) return 0; if (s3->accel.cmd & 1) return 0; return 1; } static void s3_accel_out_fifo(s3_t *s3, uint16_t port, uint8_t val) { switch (port) { case 0x8148: case 0x82e8: s3->accel.cur_y = (s3->accel.cur_y & 0xf00) | val; s3->accel.poly_cy = s3->accel.cur_y; break; case 0x8149: case 0x82e9: s3->accel.cur_y = (s3->accel.cur_y & 0xff) | ((val & 0x1f) << 8); s3->accel.poly_cy = s3->accel.cur_y; break; case 0x814a: case 0x82ea: s3->accel.cur_y2 = (s3->accel.cur_y2 & 0xf00) | val; s3->accel.poly_cy2 = s3->accel.cur_y2; break; case 0x814b: case 0x82eb: s3->accel.cur_y2 = (s3->accel.cur_y2 & 0xff) | ((val & 0x1f) << 8); s3->accel.poly_cy2 = s3->accel.cur_y2; break; case 0x8548: case 0x86e8: s3->accel.cur_x = (s3->accel.cur_x & 0xf00) | val; s3->accel.poly_cx = s3->accel.cur_x << 20; s3->accel.poly_x = s3->accel.poly_cx >> 20; break; case 0x8549: case 0x86e9: s3->accel.cur_x = (s3->accel.cur_x & 0xff) | ((val & 0x1f) << 8); s3->accel.poly_cx = s3->accel.poly_x = s3->accel.cur_x << 20; s3->accel.poly_x = s3->accel.poly_cx >> 20; break; case 0x854a: case 0x86ea: s3->accel.cur_x2 = (s3->accel.cur_x2 & 0xf00) | val; s3->accel.poly_cx2 = s3->accel.cur_x2 << 20; break; case 0x854b: case 0x86eb: s3->accel.cur_x2 = (s3->accel.cur_x2 & 0xff) | ((val & 0x1f) << 8); s3->accel.poly_cx2 = s3->accel.cur_x2 << 20; break; case 0x8948: case 0x8ae8: s3->accel.desty_axstp = (s3->accel.desty_axstp & 0x3f00) | val; s3->accel.point_1_updated = 1; break; case 0x8949: case 0x8ae9: s3->accel.desty_axstp = (s3->accel.desty_axstp & 0xff) | ((val & 0x3f) << 8); if (val & 0x20) s3->accel.desty_axstp |= ~0x3fff; s3->accel.point_1_updated = 1; break; case 0x894a: case 0x8aea: s3->accel.desty_axstp2 = (s3->accel.desty_axstp2 & 0x3f00) | val; s3->accel.point_2_updated = 1; break; case 0x849b: case 0x8aeb: s3->accel.desty_axstp2 = (s3->accel.desty_axstp2 & 0xff) | ((val & 0x3f) << 8); if (val & 0x20) s3->accel.desty_axstp2 |= ~0x3fff; s3->accel.point_2_updated = 1; break; case 0x8d48: case 0x8ee8: s3->accel.destx_distp = (s3->accel.destx_distp & 0x3f00) | val; s3->accel.point_1_updated = 1; break; case 0x8d49: case 0x8ee9: s3->accel.destx_distp = (s3->accel.destx_distp & 0xff) | ((val & 0x3f) << 8); if (val & 0x20) s3->accel.destx_distp |= ~0x3fff; s3->accel.point_1_updated = 1; break; case 0x8d4a: case 0x8eea: s3->accel.x2 = (s3->accel.x2 & 0xf00) | val; s3->accel.point_2_updated = 1; break; case 0x8d4b: case 0x8eeb: s3->accel.x2 = (s3->accel.x2 & 0xff) | ((val & 0xf) << 8); s3->accel.point_2_updated = 1; break; case 0x9148: case 0x92e8: s3->accel.err_term = (s3->accel.err_term & 0x3f00) | val; break; case 0x9149: case 0x92e9: s3->accel.err_term = (s3->accel.err_term & 0xff) | ((val & 0x3f) << 8); if (val & 0x20) s3->accel.err_term |= ~0x3fff; break; case 0x914a: case 0x92ea: s3->accel.err_term2 = (s3->accel.err_term2 & 0x3f00) | val; break; case 0x914b: case 0x92eb: s3->accel.err_term2 = (s3->accel.err_term2 & 0xff) | ((val & 0x3f) << 8); if (val & 0x20) s3->accel.err_term2 |= ~0x3fff; break; case 0x9548: case 0x96e8: s3->accel.maj_axis_pcnt = (s3->accel.maj_axis_pcnt & 0x3f00) | val; break; case 0x9459: case 0x96e9: s3->accel.maj_axis_pcnt = (s3->accel.maj_axis_pcnt & 0xff) | ((val & 0x0f) << 8); if (val & 0x08) s3->accel.maj_axis_pcnt |= ~0x0fff; break; case 0x954a: case 0x96ea: s3->accel.maj_axis_pcnt2 = (s3->accel.maj_axis_pcnt2 & 0xf00) | val; break; case 0x954b: case 0x96eb: s3->accel.maj_axis_pcnt2 = (s3->accel.maj_axis_pcnt2 & 0xff) | ((val & 0x0f) << 8); if (val & 0x08) s3->accel.maj_axis_pcnt2 |= ~0x0fff; break; case 0x9948: case 0x9ae8: s3->accel.cmd = (s3->accel.cmd & 0xff00) | val; s3->data_available = 0; break; case 0x9949: case 0x9ae9: s3->accel.cmd = (s3->accel.cmd & 0xff) | (val << 8); s3_accel_start(-1, 0, 0xffffffff, 0, s3); s3->accel.pix_trans_count = 0; s3->accel.multifunc[0xe] &= ~0x10; /*hack*/ break; case 0x9d48: case 0x9ee8: s3->accel.short_stroke = (s3->accel.short_stroke & 0xff00) | val; break; case 0x9d49: case 0x9ee9: s3->accel.short_stroke = (s3->accel.short_stroke & 0xff) | (val << 8); break; case 0xa148: case 0xa2e8: if (s3->bpp == 3 && s3->accel.multifunc[0xe] & 0x10 && !(s3->accel.multifunc[0xe] & 0x200)) s3->accel.bkgd_color = (s3->accel.bkgd_color & ~0x00ff0000) | (val << 16); else s3->accel.bkgd_color = (s3->accel.bkgd_color & ~0x000000ff) | val; break; case 0xa149: case 0xa2e9: if (s3->bpp == 3 && s3->accel.multifunc[0xe] & 0x10 && !(s3->accel.multifunc[0xe] & 0x200)) s3->accel.bkgd_color = (s3->accel.bkgd_color & ~0xff000000) | (val << 24); else s3->accel.bkgd_color = (s3->accel.bkgd_color & ~0x0000ff00) | (val << 8); if (!(s3->accel.multifunc[0xe] & 0x200)) s3->accel.multifunc[0xe] ^= 0x10; break; case 0xa14a: case 0xa2ea: if (s3->accel.multifunc[0xe] & 0x200) s3->accel.bkgd_color = (s3->accel.bkgd_color & ~0x00ff0000) | (val << 16); else if (s3->bpp == 3) { if (s3->accel.multifunc[0xe] & 0x10) s3->accel.bkgd_color = (s3->accel.bkgd_color & ~0x00ff0000) | (val << 16); else s3->accel.bkgd_color = (s3->accel.bkgd_color & ~0x000000ff) | val; } break; case 0xa14b: case 0xa2eb: if (s3->accel.multifunc[0xe] & 0x200) s3->accel.bkgd_color = (s3->accel.bkgd_color & ~0xff000000) | (val << 24); else if (s3->bpp == 3) { if (s3->accel.multifunc[0xe] & 0x10) s3->accel.bkgd_color = (s3->accel.bkgd_color & ~0xff000000) | (val << 24); else s3->accel.bkgd_color = (s3->accel.bkgd_color & ~0x0000ff00) | (val << 8); s3->accel.multifunc[0xe] ^= 0x10; } break; case 0xa548: case 0xa6e8: if (s3->bpp == 3 && s3->accel.multifunc[0xe] & 0x10 && !(s3->accel.multifunc[0xe] & 0x200)) s3->accel.frgd_color = (s3->accel.frgd_color & ~0x00ff0000) | (val << 16); else s3->accel.frgd_color = (s3->accel.frgd_color & ~0x000000ff) | val; break; case 0xa549: case 0xa6e9: if (s3->bpp == 3 && s3->accel.multifunc[0xe] & 0x10 && !(s3->accel.multifunc[0xe] & 0x200)) s3->accel.frgd_color = (s3->accel.frgd_color & ~0xff000000) | (val << 24); else s3->accel.frgd_color = (s3->accel.frgd_color & ~0x0000ff00) | (val << 8); if (!(s3->accel.multifunc[0xe] & 0x200)) s3->accel.multifunc[0xe] ^= 0x10; break; case 0xa54a: case 0xa6ea: if (s3->accel.multifunc[0xe] & 0x200) s3->accel.frgd_color = (s3->accel.frgd_color & ~0x00ff0000) | (val << 16); else if (s3->bpp == 3) { if (s3->accel.multifunc[0xe] & 0x10) s3->accel.frgd_color = (s3->accel.frgd_color & ~0x00ff0000) | (val << 16); else s3->accel.frgd_color = (s3->accel.frgd_color & ~0x000000ff) | val; } break; case 0xa54b: case 0xa6eb: if (s3->accel.multifunc[0xe] & 0x200) s3->accel.frgd_color = (s3->accel.frgd_color & ~0xff000000) | (val << 24); else if (s3->bpp == 3) { if (s3->accel.multifunc[0xe] & 0x10) s3->accel.frgd_color = (s3->accel.frgd_color & ~0xff000000) | (val << 24); else s3->accel.frgd_color = (s3->accel.frgd_color & ~0x0000ff00) | (val << 8); s3->accel.multifunc[0xe] ^= 0x10; } break; case 0xa948: case 0xaae8: if (s3->bpp == 3 && s3->accel.multifunc[0xe] & 0x10 && !(s3->accel.multifunc[0xe] & 0x200)) s3->accel.wrt_mask = (s3->accel.wrt_mask & ~0x00ff0000) | (val << 16); else s3->accel.wrt_mask = (s3->accel.wrt_mask & ~0x000000ff) | val; break; case 0xa949: case 0xaae9: if (s3->bpp == 3 && s3->accel.multifunc[0xe] & 0x10 && !(s3->accel.multifunc[0xe] & 0x200)) s3->accel.wrt_mask = (s3->accel.wrt_mask & ~0xff000000) | (val << 24); else s3->accel.wrt_mask = (s3->accel.wrt_mask & ~0x0000ff00) | (val << 8); if (!(s3->accel.multifunc[0xe] & 0x200)) s3->accel.multifunc[0xe] ^= 0x10; break; case 0xa94a: case 0xaaea: if (s3->accel.multifunc[0xe] & 0x200) s3->accel.wrt_mask = (s3->accel.wrt_mask & ~0x00ff0000) | (val << 16); else if (s3->bpp == 3) { if (s3->accel.multifunc[0xe] & 0x10) s3->accel.wrt_mask = (s3->accel.wrt_mask & ~0x00ff0000) | (val << 16); else s3->accel.wrt_mask = (s3->accel.wrt_mask & ~0x000000ff) | val; } break; case 0xa94b: case 0xaaeb: if (s3->accel.multifunc[0xe] & 0x200) s3->accel.wrt_mask = (s3->accel.wrt_mask & ~0xff000000) | (val << 24); else if (s3->bpp == 3) { if (s3->accel.multifunc[0xe] & 0x10) s3->accel.wrt_mask = (s3->accel.wrt_mask & ~0xff000000) | (val << 24); else s3->accel.wrt_mask = (s3->accel.wrt_mask & ~0x0000ff00) | (val << 8); s3->accel.multifunc[0xe] ^= 0x10; } break; case 0xad48: case 0xaee8: if (s3->bpp == 3 && s3->accel.multifunc[0xe] & 0x10 && !(s3->accel.multifunc[0xe] & 0x200)) s3->accel.rd_mask = (s3->accel.rd_mask & ~0x00ff0000) | (val << 16); else s3->accel.rd_mask = (s3->accel.rd_mask & ~0x000000ff) | val; break; case 0xad49: case 0xaee9: if (s3->bpp == 3 && s3->accel.multifunc[0xe] & 0x10 && !(s3->accel.multifunc[0xe] & 0x200)) s3->accel.rd_mask = (s3->accel.rd_mask & ~0xff000000) | (val << 24); else s3->accel.rd_mask = (s3->accel.rd_mask & ~0x0000ff00) | (val << 8); if (!(s3->accel.multifunc[0xe] & 0x200)) s3->accel.multifunc[0xe] ^= 0x10; break; case 0xad4a: case 0xaeea: if (s3->accel.multifunc[0xe] & 0x200) s3->accel.rd_mask = (s3->accel.rd_mask & ~0x00ff0000) | (val << 16); else if (s3->bpp == 3) { if (s3->accel.multifunc[0xe] & 0x10) s3->accel.rd_mask = (s3->accel.rd_mask & ~0x00ff0000) | (val << 16); else s3->accel.rd_mask = (s3->accel.rd_mask & ~0x000000ff) | val; } break; case 0xad4b: case 0xaeeb: if (s3->accel.multifunc[0xe] & 0x200) s3->accel.rd_mask = (s3->accel.rd_mask & ~0xff000000) | (val << 24); else if (s3->bpp == 3) { if (s3->accel.multifunc[0xe] & 0x10) s3->accel.rd_mask = (s3->accel.rd_mask & ~0xff000000) | (val << 24); else s3->accel.rd_mask = (s3->accel.rd_mask & ~0x0000ff00) | (val << 8); s3->accel.multifunc[0xe] ^= 0x10; } break; case 0xb148: case 0xb2e8: if (s3->bpp == 3 && s3->accel.multifunc[0xe] & 0x10 && !(s3->accel.multifunc[0xe] & 0x200)) s3->accel.color_cmp = (s3->accel.color_cmp & ~0x00ff0000) | (val << 16); else s3->accel.color_cmp = (s3->accel.color_cmp & ~0x000000ff) | val; break; case 0xb149: case 0xb2e9: if (s3->bpp == 3 && s3->accel.multifunc[0xe] & 0x10 && !(s3->accel.multifunc[0xe] & 0x200)) s3->accel.color_cmp = (s3->accel.color_cmp & ~0xff000000) | (val << 24); else s3->accel.color_cmp = (s3->accel.color_cmp & ~0x0000ff00) | (val << 8); if (!(s3->accel.multifunc[0xe] & 0x200)) s3->accel.multifunc[0xe] ^= 0x10; break; case 0xb14a: case 0xb2ea: if (s3->accel.multifunc[0xe] & 0x200) s3->accel.color_cmp = (s3->accel.color_cmp & ~0x00ff0000) | (val << 16); else if (s3->bpp == 3) { if (s3->accel.multifunc[0xe] & 0x10) s3->accel.color_cmp = (s3->accel.color_cmp & ~0x00ff0000) | (val << 16); else s3->accel.color_cmp = (s3->accel.color_cmp & ~0x000000ff) | val; } break; case 0xb14b: case 0xb2eb: if (s3->accel.multifunc[0xe] & 0x200) s3->accel.color_cmp = (s3->accel.color_cmp & ~0xff000000) | (val << 24); else if (s3->bpp == 3) { if (s3->accel.multifunc[0xe] & 0x10) s3->accel.color_cmp = (s3->accel.color_cmp & ~0xff000000) | (val << 24); else s3->accel.color_cmp = (s3->accel.color_cmp & ~0x0000ff00) | (val << 8); s3->accel.multifunc[0xe] ^= 0x10; } break; case 0xb548: case 0xb6e8: s3->accel.bkgd_mix = val; break; case 0xb948: case 0xbae8: s3->accel.frgd_mix = val; break; case 0xbd48: case 0xbee8: s3->accel.multifunc_cntl = (s3->accel.multifunc_cntl & 0xff00) | val; break; case 0xbd49: case 0xbee9: s3->accel.multifunc_cntl = (s3->accel.multifunc_cntl & 0xff) | (val << 8); s3->accel.multifunc[s3->accel.multifunc_cntl >> 12] = s3->accel.multifunc_cntl & 0xfff; break; case 0xe148: case 0xe2e8: if (s3_cpu_dest(s3)) break; s3->accel.pix_trans[0] = val; if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80 && !(s3->accel.cmd & 0x600) && (s3->accel.cmd & 0x100)) s3_accel_start(8, 1, s3->accel.pix_trans[0], 0, s3); else if (!(s3->accel.cmd & 0x600) && (s3->accel.cmd & 0x100)) s3_accel_start(1, 1, 0xffffffff, s3->accel.pix_trans[0], s3); break; case 0xe149: case 0xe2e9: if (s3_cpu_dest(s3)) break; s3->accel.pix_trans[1] = val; if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80 && (s3->accel.cmd & 0x600) == 0x200 && (s3->accel.cmd & 0x100)) { if (s3->accel.cmd & 0x1000) s3_accel_start(16, 1, s3->accel.pix_trans[1] | (s3->accel.pix_trans[0] << 8), 0, s3); else s3_accel_start(16, 1, s3->accel.pix_trans[0] | (s3->accel.pix_trans[1] << 8), 0, s3); } else if ((s3->accel.cmd & 0x600) == 0x200 && (s3->accel.cmd & 0x100)) { if (s3->accel.cmd & 0x1000) s3_accel_start(2, 1, 0xffffffff, s3->accel.pix_trans[1] | (s3->accel.pix_trans[0] << 8), s3); else s3_accel_start(2, 1, 0xffffffff, s3->accel.pix_trans[0] | (s3->accel.pix_trans[1] << 8), s3); } break; case 0xe14a: case 0xe2ea: if (s3_cpu_dest(s3)) break; s3->accel.pix_trans[2] = val; break; case 0xe14b: case 0xe2eb: if (s3_cpu_dest(s3)) break; s3->accel.pix_trans[3] = val; if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80 && (s3->accel.cmd & 0x600) == 0x600 && (s3->accel.cmd & 0x100) && s3->chip == S3_TRIO32) { s3_accel_start(8, 1, s3->accel.pix_trans[3], 0, s3); s3_accel_start(8, 1, s3->accel.pix_trans[2], 0, s3); s3_accel_start(8, 1, s3->accel.pix_trans[1], 0, s3); s3_accel_start(8, 1, s3->accel.pix_trans[0], 0, s3); } else if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80 && (s3->accel.cmd & 0x400) == 0x400 && (s3->accel.cmd & 0x100)) s3_accel_start(32, 1, s3->accel.pix_trans[0] | (s3->accel.pix_trans[1] << 8) | (s3->accel.pix_trans[2] << 16) | (s3->accel.pix_trans[3] << 24), 0, s3); else if ((s3->accel.cmd & 0x600) == 0x400 && (s3->accel.cmd & 0x100)) s3_accel_start(4, 1, 0xffffffff, s3->accel.pix_trans[0] | (s3->accel.pix_trans[1] << 8) | (s3->accel.pix_trans[2] << 16) | (s3->accel.pix_trans[3] << 24), s3); break; } } static void s3_accel_out_fifo_w(s3_t *s3, uint16_t port, uint16_t val) { if (s3->accel.cmd & 0x100) { if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80) { if (s3->accel.cmd & 0x1000) val = (val >> 8) | (val << 8); if ((s3->accel.cmd & 0x600) == 0x600 && s3->chip == S3_TRIO32) { s3_accel_start(8, 1, (val >> 8) & 0xff, 0, s3); s3_accel_start(8, 1, val & 0xff, 0, s3); } if ((s3->accel.cmd & 0x600) == 0x000) s3_accel_start(8, 1, val | (val << 16), 0, s3); else s3_accel_start(16, 1, val | (val << 16), 0, s3); } else { if ((s3->accel.cmd & 0x600) == 0x000) s3_accel_start(1, 1, 0xffffffff, val | (val << 16), s3); else s3_accel_start(2, 1, 0xffffffff, val | (val << 16), s3); } } } static void s3_accel_out_fifo_l(s3_t *s3, uint16_t port, uint32_t val) { if (s3->accel.cmd & 0x100) { if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80) { if ((s3->accel.cmd & 0x600) == 0x600 && s3->chip == S3_TRIO32) { if (s3->accel.cmd & 0x1000) val = ((val & 0xff000000) >> 24) | ((val & 0x00ff0000) >> 8) | ((val & 0x0000ff00) << 8) | ((val & 0x000000ff) << 24); s3_accel_start(8, 1, (val >> 24) & 0xff, 0, s3); s3_accel_start(8, 1, (val >> 16) & 0xff, 0, s3); s3_accel_start(8, 1, (val >> 8) & 0xff, 0, s3); s3_accel_start(8, 1, val & 0xff, 0, s3); } else if (s3->accel.cmd & 0x400) { if (s3->accel.cmd & 0x1000) val = ((val & 0xff000000) >> 24) | ((val & 0x00ff0000) >> 8) | ((val & 0x0000ff00) << 8) | ((val & 0x000000ff) << 24); s3_accel_start(32, 1, val, 0, s3); } else if ((s3->accel.cmd & 0x600) == 0x200) { if (s3->accel.cmd & 0x1000) val = ((val & 0xff00ff00) >> 8) | ((val & 0x00ff00ff) << 8); s3_accel_start(16, 1, val, 0, s3); s3_accel_start(16, 1, val >> 16, 0, s3); } else { if (s3->accel.cmd & 0x1000) val = ((val & 0xff00ff00) >> 8) | ((val & 0x00ff00ff) << 8); s3_accel_start(8, 1, val, 0, s3); s3_accel_start(8, 1, val >> 16, 0, s3); } } else { if (s3->accel.cmd & 0x400) s3_accel_start(4, 1, 0xffffffff, val, s3); else if ((s3->accel.cmd & 0x600) == 0x200) { s3_accel_start(2, 1, 0xffffffff, val, s3); s3_accel_start(2, 1, 0xffffffff, val >> 16, s3); } else { s3_accel_start(1, 1, 0xffffffff, val, s3); s3_accel_start(1, 1, 0xffffffff, val >> 16, s3); } } } } static void s3_accel_write_fifo(s3_t *s3, uint32_t addr, uint8_t val) { if (s3->packed_mmio) { int addr_lo = addr & 1; switch (addr & 0xfffe) { case 0x8100: addr = 0x82e8; break; /*ALT_CURXY*/ case 0x8102: addr = 0x86e8; break; case 0x8104: addr = 0x82ea; break; /*ALT_CURXY2*/ case 0x8106: addr = 0x86ea; break; case 0x8108: addr = 0x8ae8; break; /*ALT_STEP*/ case 0x810a: addr = 0x8ee8; break; case 0x810c: addr = 0x8aea; break; /*ALT_STEP2*/ case 0x810e: addr = 0x8eea; break; case 0x8110: addr = 0x92e8; break; /*ALT_ERR*/ case 0x8112: addr = 0x92ee; break; case 0x8118: addr = 0x9ae8; break; /*ALT_CMD*/ case 0x811a: addr = 0x9aea; break; case 0x811c: addr = 0x9ee8; break; /*SHORT_STROKE*/ case 0x8120: case 0x8122: /*BKGD_COLOR*/ WRITE8(addr, s3->accel.bkgd_color, val); return; case 0x8124: case 0x8126: /*FRGD_COLOR*/ WRITE8(addr, s3->accel.frgd_color, val); return; case 0x8128: case 0x812a: /*WRT_MASK*/ WRITE8(addr, s3->accel.wrt_mask, val); return; case 0x812c: case 0x812e: /*RD_MASK*/ WRITE8(addr, s3->accel.rd_mask, val); return; case 0x8130: case 0x8132: /*COLOR_CMP*/ WRITE8(addr, s3->accel.color_cmp, val); return; case 0x8134: addr = 0xb6e8; break; /*ALT_MIX*/ case 0x8136: addr = 0xbae8; break; case 0x8138: /*SCISSORS_T*/ WRITE8(addr & 1, s3->accel.multifunc[1], val); return; case 0x813a: /*SCISSORS_L*/ WRITE8(addr & 1, s3->accel.multifunc[2], val); return; case 0x813c: /*SCISSORS_B*/ WRITE8(addr & 1, s3->accel.multifunc[3], val); return; case 0x813e: /*SCISSORS_R*/ WRITE8(addr & 1, s3->accel.multifunc[4], val); return; case 0x8140: /*PIX_CNTL*/ WRITE8(addr & 1, s3->accel.multifunc[0xa], val); return; case 0x8142: /*MULT_MISC2*/ WRITE8(addr & 1, s3->accel.multifunc[0xd], val); return; case 0x8144: /*MULT_MISC*/ WRITE8(addr & 1, s3->accel.multifunc[0xe], val); return; case 0x8146: /*READ_SEL*/ WRITE8(addr & 1, s3->accel.multifunc[0xf], val); return; case 0x8148: /*ALT_PCNT*/ WRITE8(addr & 1, s3->accel.multifunc[0], val); return; case 0x814a: addr = 0x96e8; break; case 0x814c: addr = 0x96ea; break; case 0x8168: addr = 0xeae8; break; case 0x816a: addr = 0xeaea; break; } addr |= addr_lo; } if (addr & 0x8000) { s3_accel_out_fifo(s3, addr & 0xffff, val); } else { if (s3->accel.cmd & 0x100) { if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80) s3_accel_start(8, 1, val | (val << 8) | (val << 16) | (val << 24), 0, s3); else s3_accel_start(1, 1, 0xffffffff, val | (val << 8) | (val << 16) | (val << 24), s3); } } } static void s3_accel_write_fifo_w(s3_t *s3, uint32_t addr, uint16_t val) { if (addr & 0x8000) { s3_accel_write_fifo(s3, addr, val); s3_accel_write_fifo(s3, addr + 1, val >> 8); } else { if (s3->accel.cmd & 0x100) { if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80) { if (s3->accel.cmd & 0x1000) val = (val >> 8) | (val << 8); if ((s3->accel.cmd & 0x600) == 0x600 && s3->chip == S3_TRIO32) { s3_accel_start(8, 1, (val >> 8) & 0xff, 0, s3); s3_accel_start(8, 1, val & 0xff, 0, s3); } else if ((s3->accel.cmd & 0x600) == 0x000) s3_accel_start(8, 1, val | (val << 16), 0, s3); else s3_accel_start(16, 1, val | (val << 16), 0, s3); } else { if ((s3->accel.cmd & 0x600) == 0x000) s3_accel_start(1, 1, 0xffffffff, val | (val << 16), s3); else s3_accel_start(2, 1, 0xffffffff, val | (val << 16), s3); } } } } static void s3_accel_write_fifo_l(s3_t *s3, uint32_t addr, uint32_t val) { if (addr & 0x8000) { s3_accel_write_fifo(s3, addr, val); s3_accel_write_fifo(s3, addr + 1, val >> 8); s3_accel_write_fifo(s3, addr + 2, val >> 16); s3_accel_write_fifo(s3, addr + 3, val >> 24); } else { if (s3->accel.cmd & 0x100) { if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80) { if ((s3->accel.cmd & 0x600) == 0x600 && s3->chip == S3_TRIO32) { if (s3->accel.cmd & 0x1000) val = ((val & 0xff000000) >> 24) | ((val & 0x00ff0000) >> 8) | ((val & 0x0000ff00) << 8) | ((val & 0x000000ff) << 24); s3_accel_start(8, 1, (val >> 24) & 0xff, 0, s3); s3_accel_start(8, 1, (val >> 16) & 0xff, 0, s3); s3_accel_start(8, 1, (val >> 8) & 0xff, 0, s3); s3_accel_start(8, 1, val & 0xff, 0, s3); } else if (s3->accel.cmd & 0x400) { if (s3->accel.cmd & 0x1000) val = ((val & 0xff000000) >> 24) | ((val & 0x00ff0000) >> 8) | ((val & 0x0000ff00) << 8) | ((val & 0x000000ff) << 24); s3_accel_start(32, 1, val, 0, s3); } else if ((s3->accel.cmd & 0x600) == 0x200) { if (s3->accel.cmd & 0x1000) val = ((val & 0xff00ff00) >> 8) | ((val & 0x00ff00ff) << 8); s3_accel_start(16, 1, val, 0, s3); s3_accel_start(16, 1, val >> 16, 0, s3); } else { if (s3->accel.cmd & 0x1000) val = ((val & 0xff00ff00) >> 8) | ((val & 0x00ff00ff) << 8); s3_accel_start(8, 1, val, 0, s3); s3_accel_start(8, 1, val >> 16, 0, s3); } } else { if (s3->accel.cmd & 0x400) s3_accel_start(4, 1, 0xffffffff, val, s3); else if ((s3->accel.cmd & 0x600) == 0x200) { s3_accel_start(2, 1, 0xffffffff, val, s3); s3_accel_start(2, 1, 0xffffffff, val >> 16, s3); } else { s3_accel_start(1, 1, 0xffffffff, val, s3); s3_accel_start(1, 1, 0xffffffff, val >> 16, s3); } } } } } static void fifo_thread(void *param) { s3_t *s3 = (s3_t *)param; while (1) { thread_set_event(s3->fifo_not_full_event); thread_wait_event(s3->wake_fifo_thread, -1); thread_reset_event(s3->wake_fifo_thread); s3->blitter_busy = 1; while (!FIFO_EMPTY) { uint64_t start_time = plat_timer_read(); uint64_t end_time; fifo_entry_t *fifo = &s3->fifo[s3->fifo_read_idx & FIFO_MASK]; switch (fifo->addr_type & FIFO_TYPE) { case FIFO_WRITE_BYTE: s3_accel_write_fifo(s3, fifo->addr_type & FIFO_ADDR, fifo->val); break; case FIFO_WRITE_WORD: s3_accel_write_fifo_w(s3, fifo->addr_type & FIFO_ADDR, fifo->val); break; case FIFO_WRITE_DWORD: s3_accel_write_fifo_l(s3, fifo->addr_type & FIFO_ADDR, fifo->val); break; case FIFO_OUT_BYTE: s3_accel_out_fifo(s3, fifo->addr_type & FIFO_ADDR, fifo->val); break; case FIFO_OUT_WORD: s3_accel_out_fifo_w(s3, fifo->addr_type & FIFO_ADDR, fifo->val); break; case FIFO_OUT_DWORD: s3_accel_out_fifo_l(s3, fifo->addr_type & FIFO_ADDR, fifo->val); break; } s3->fifo_read_idx++; fifo->addr_type = FIFO_INVALID; if (FIFO_ENTRIES > 0xe000) thread_set_event(s3->fifo_not_full_event); end_time = plat_timer_read(); s3->blitter_time += end_time - start_time; } s3->blitter_busy = 0; s3->subsys_stat |= INT_FIFO_EMP; s3_update_irqs(s3); } } static void s3_vblank_start(svga_t *svga) { s3_t *s3 = (s3_t *)svga->p; s3->subsys_stat |= INT_VSY; s3_update_irqs(s3); } static void s3_queue(s3_t *s3, uint32_t addr, uint32_t val, uint32_t type) { fifo_entry_t *fifo = &s3->fifo[s3->fifo_write_idx & FIFO_MASK]; if (FIFO_FULL) { thread_reset_event(s3->fifo_not_full_event); if (FIFO_FULL) { thread_wait_event(s3->fifo_not_full_event, -1); /*Wait for room in ringbuffer*/ } } fifo->val = val; fifo->addr_type = (addr & FIFO_ADDR) | type; s3->fifo_write_idx++; if (FIFO_ENTRIES > 0xe000 || FIFO_ENTRIES < 8) wake_fifo_thread(s3); } void s3_hwcursor_draw(svga_t *svga, int displine) { s3_t *s3 = (s3_t *)svga->p; int x; uint16_t dat[2]; int xx; int offset = svga->hwcursor_latch.x - svga->hwcursor_latch.xoff; uint32_t fg, bg; switch (svga->bpp) { case 15: fg = video_15to32[s3->hwc_fg_col & 0xffff]; bg = video_15to32[s3->hwc_bg_col & 0xffff]; break; case 16: fg = video_16to32[s3->hwc_fg_col & 0xffff]; bg = video_16to32[s3->hwc_bg_col & 0xffff]; break; case 24: case 32: fg = s3->hwc_fg_col; bg = s3->hwc_bg_col; break; default: if (s3->chip == S3_TRIO32 || s3->chip == S3_TRIO64) { fg = svga->pallook[s3->hwc_fg_col & 0xff]; bg = svga->pallook[s3->hwc_bg_col & 0xff]; } else { fg = svga->pallook[svga->crtc[0xe]]; bg = svga->pallook[svga->crtc[0xf]]; } break; } if (svga->interlace && svga->hwcursor_oddeven) svga->hwcursor_latch.addr += 16; for (x = 0; x < 64; x += 16) { dat[0] = (svga->vram[svga->hwcursor_latch.addr] << 8) | svga->vram[svga->hwcursor_latch.addr + 1]; dat[1] = (svga->vram[svga->hwcursor_latch.addr + 2] << 8) | svga->vram[svga->hwcursor_latch.addr + 3]; for (xx = 0; xx < 16; xx++) { if (offset >= svga->hwcursor_latch.x) { if (!(dat[0] & 0x8000)) buffer32->line[displine][offset + svga->x_add] = (dat[1] & 0x8000) ? fg : bg; else if (dat[1] & 0x8000) buffer32->line[displine][offset + svga->x_add] ^= 0xffffff; } offset++; dat[0] <<= 1; dat[1] <<= 1; } svga->hwcursor_latch.addr += 4; } if (svga->interlace && !svga->hwcursor_oddeven) svga->hwcursor_latch.addr += 16; } static void s3_io_remove_alt(s3_t *s3) { if (!s3->translate) return; io_removehandler(0x4148, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x4548, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x4948, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x8148, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x8548, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x8948, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x8d48, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x9148, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x9548, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x9948, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x9d48, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xa148, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xa548, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xa948, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xad48, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xb148, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xb548, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xb948, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xbd48, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xe148, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, s3_accel_out_w, s3_accel_out_l, s3); } static void s3_io_remove(s3_t *s3) { io_removehandler(0x03c0, 0x0020, s3_in, NULL, NULL, s3_out, NULL, NULL, s3); io_removehandler(0x42e8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x46e8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x4ae8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x82e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x86e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x8ae8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x8ee8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x92e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x96e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x9ae8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0x9ee8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xa2e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xa6e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xaae8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xaee8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xb2e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xb6e8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xbae8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xbee8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_removehandler(0xe2e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, s3_accel_out_w, s3_accel_out_l, s3); s3_io_remove_alt(s3); } void s3_io_set_alt(s3_t *s3) { if (!s3->translate) return; io_sethandler(0x4148, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x4548, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x4948, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); if (s3->chip == S3_TRIO64) { io_sethandler(0x8148, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x8548, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x8948, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x8d48, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x9148, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x9548, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); } else { io_sethandler(0x8148, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x8548, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x8948, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x8d48, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x9148, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x9548, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); } io_sethandler(0x9948, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x9d48, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xa148, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xa548, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xa948, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xad48, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xb148, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xb548, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xb948, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xbd48, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xe148, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, s3_accel_out_w, s3_accel_out_l, s3); } static void s3_io_set(s3_t *s3) { s3_io_remove(s3); io_sethandler(0x03c0, 0x0020, s3_in, NULL, NULL, s3_out, NULL, NULL, s3); io_sethandler(0x42e8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x46e8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x4ae8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); if (s3->chip == S3_TRIO64) { io_sethandler(0x82e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x86e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x8ae8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x8ee8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x92e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x96e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); } else { io_sethandler(0x82e8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x86e8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x8ae8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x8ee8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x92e8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x96e8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); } io_sethandler(0x9ae8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0x9ee8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xa2e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xa6e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xaae8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xaee8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xb2e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xb6e8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xbae8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xbee8, 0x0002, s3_accel_in, NULL, NULL, s3_accel_out, NULL, NULL, s3); io_sethandler(0xe2e8, 0x0004, s3_accel_in, NULL, NULL, s3_accel_out, s3_accel_out_w, s3_accel_out_l, s3); s3_io_set_alt(s3); } void s3_out(uint16_t addr, uint8_t val, void *p) { s3_t *s3 = (s3_t *)p; svga_t *svga = &s3->svga; uint8_t old, mask; int rs2, rs3; if (((addr & 0xfff0) == 0x3d0 || (addr & 0xfff0) == 0x3b0) && !(svga->miscout & 1)) addr ^= 0x60; switch (addr) { case 0x3c2: if (s3->chip == S3_VISION964 || s3->chip == S3_86C928) { if (((val >> 2) & 3) != 3) icd2061_write(svga->clock_gen, (val >> 2) & 3); } break; case 0x3c5: if (svga->seqaddr >= 0x10 && svga->seqaddr < 0x20) { svga->seqregs[svga->seqaddr] = val; switch (svga->seqaddr) { case 0x12: case 0x13: svga_recalctimings(svga); return; } } if (svga->seqaddr == 4) /*Chain-4 - update banking*/ { if (val & 8) svga->write_bank = svga->read_bank = s3->bank << 16; else svga->write_bank = svga->read_bank = s3->bank << 14; } break; case 0x3C6: case 0x3C7: case 0x3C8: case 0x3C9: if ((svga->crtc[0x55] & 0x03) == 0x00) rs2 = !!(svga->crtc[0x43] & 0x02); else rs2 = (svga->crtc[0x55] & 0x01); if (s3->chip == S3_TRIO32 || s3->chip == S3_TRIO64) svga_out(addr, val, svga); else if (s3->chip == S3_VISION964 || s3->chip == S3_86C928) { if (!(svga->crtc[0x45] & 0x20) || (s3->chip == S3_86C928)) rs3 = !!(svga->crtc[0x55] & 0x02); else rs3 = 0; bt48x_ramdac_out(addr, rs2, rs3, val, svga->ramdac, svga); } else if (s3->chip == S3_86C801 || s3->chip == S3_86C805 || s3->chip == S3_86C911) att49x_ramdac_out(addr, val, svga->ramdac, svga); else sdac_ramdac_out(addr, rs2, val, svga->ramdac, svga); return; case 0x3D4: svga->crtcreg = val & 0x7f; return; case 0x3D5: if ((svga->crtcreg < 7) && (svga->crtc[0x11] & 0x80)) return; if ((svga->crtcreg == 7) && (svga->crtc[0x11] & 0x80)) val = (svga->crtc[7] & ~0x10) | (val & 0x10); if ((svga->crtcreg >= 0x20) && (svga->crtcreg < 0x40) && (svga->crtcreg != 0x36) && (svga->crtcreg != 0x38) && (svga->crtcreg != 0x39) && ((svga->crtc[0x38] & 0xcc) != 0x48)) return; if ((svga->crtcreg >= 0x40) && ((svga->crtc[0x39] & 0xe0) != 0xa0)) return; if ((svga->crtcreg == 0x36) && (svga->crtc[0x39] != 0xa5)) return; old = svga->crtc[svga->crtcreg]; svga->crtc[svga->crtcreg] = val; switch (svga->crtcreg) { case 0x31: s3->ma_ext = (s3->ma_ext & 0x1c) | ((val & 0x30) >> 4); break; case 0x32: svga->vram_display_mask = (val & 0x40) ? 0x3ffff : s3->vram_mask; break; case 0x50: mask = 0xc0; if (s3->chip > S3_86C805) mask |= 0x01; switch (svga->crtc[0x50] & mask) { case 0x00: s3->width = (svga->crtc[0x31] & 2) ? 2048 : 1024; break; case 0x01: s3->width = 1152; break; case 0x40: s3->width = 640; break; case 0x80: s3->width = 800; break; case 0x81: s3->width = 1600; break; case 0xc0: s3->width = 1280; break; } s3->bpp = (svga->crtc[0x50] >> 4) & 3; break; case 0x69: if ((s3->chip != S3_86C801) && (s3->chip != S3_86C805) && (s3->chip != S3_86C911) && (s3->chip != S3_86C928)) s3->ma_ext = val & 0x1f; break; case 0x35: s3->bank = (s3->bank & 0x70) | (val & 0xf); if (svga->chain4) svga->write_bank = svga->read_bank = s3->bank << 16; else svga->write_bank = svga->read_bank = s3->bank << 14; break; case 0x51: if ((s3->chip == S3_86C801) || (s3->chip == S3_86C805)) s3->bank = (s3->bank & 0x6f) | ((val & 0x4) << 2); else s3->bank = (s3->bank & 0x4f) | ((val & 0xc) << 2); if (svga->chain4) svga->write_bank = svga->read_bank = s3->bank << 16; else svga->write_bank = svga->read_bank = s3->bank << 14; if ((s3->chip == S3_86C801) || (s3->chip == S3_86C805)) s3->ma_ext = (s3->ma_ext & ~0x4) | ((val & 1) << 2); else s3->ma_ext = (s3->ma_ext & ~0xc) | ((val & 3) << 2); break; case 0x6a: if ((s3->chip != S3_86C801) && (s3->chip != S3_86C805) && (s3->chip != S3_86C911) && (s3->chip != S3_86C928)) { s3->bank = val; if (svga->chain4) svga->write_bank = svga->read_bank = s3->bank << 16; else svga->write_bank = svga->read_bank = s3->bank << 14; } break; case 0x3a: if (val & 0x10) svga->gdcreg[5] |= 0x40; /*Horrible cheat*/ break; case 0x45: if (s3->chip == S3_VISION964) break; svga->hwcursor.ena = val & 1; break; case 0x48: if (s3->chip == S3_VISION964) break; svga->hwcursor.x = ((svga->crtc[0x46] << 8) | svga->crtc[0x47]) & 0x7ff; if (svga->bpp == 32) svga->hwcursor.x >>= 1; svga->hwcursor.y = ((svga->crtc[0x48] << 8) | svga->crtc[0x49]) & 0x7ff; svga->hwcursor.xoff = svga->crtc[0x4e] & 63; svga->hwcursor.yoff = svga->crtc[0x4f] & 63; svga->hwcursor.addr = ((((svga->crtc[0x4c] << 8) | svga->crtc[0x4d]) & 0xfff) * 1024) + (svga->hwcursor.yoff * 16); if ((s3->chip == S3_TRIO32 || s3->chip == S3_TRIO64) && svga->bpp == 32) svga->hwcursor.x <<= 1; else if ((s3->chip == S3_86C801 || s3->chip == S3_86C805 || s3->chip == S3_86C928) && (svga->bpp == 15 || svga->bpp == 16)) svga->hwcursor.x >>= 1; break; case 0x4a: switch (s3->hwc_col_stack_pos) { case 0: s3->hwc_fg_col = (s3->hwc_fg_col & 0xffff00) | val; break; case 1: s3->hwc_fg_col = (s3->hwc_fg_col & 0xff00ff) | (val << 8); break; case 2: s3->hwc_fg_col = (s3->hwc_fg_col & 0x00ffff) | (val << 16); break; } s3->hwc_col_stack_pos = (s3->hwc_col_stack_pos + 1) % 3; break; case 0x4b: switch (s3->hwc_col_stack_pos) { case 0: s3->hwc_bg_col = (s3->hwc_bg_col & 0xffff00) | val; break; case 1: s3->hwc_bg_col = (s3->hwc_bg_col & 0xff00ff) | (val << 8); break; case 2: s3->hwc_bg_col = (s3->hwc_bg_col & 0x00ffff) | (val << 16); break; } s3->hwc_col_stack_pos = (s3->hwc_col_stack_pos + 1) % 3; break; case 0x53: case 0x58: case 0x59: case 0x5a: if (s3->chip != S3_86C911) s3_updatemapping(s3); break; case 0x55: if (s3->chip == S3_86C928) { if (val & 0x08) { svga->hwcursor_draw = NULL; svga->dac_hwcursor_draw = bt48x_hwcursor_draw; } else { svga->hwcursor_draw = s3_hwcursor_draw; svga->dac_hwcursor_draw = NULL; } } break; case 0x42: if (s3->chip == S3_VISION964 || s3->chip == S3_86C928) { if (((svga->miscout >> 2) & 3) == 3) icd2061_write(svga->clock_gen, svga->crtc[0x42] & 0x0f); } break; case 0x43: if (s3->chip == S3_86C801 || s3->chip == S3_86C805 || s3->chip == S3_86C911 || s3->chip == S3_86C928) { s3_io_remove_alt(s3); s3->translate = !!(svga->crtc[0x43] & 0x10); s3_io_set_alt(s3); } break; case 0x67: if (s3->chip == S3_TRIO32 || s3->chip == S3_TRIO64) { switch (val >> 4) { case 3: svga->bpp = 15; break; case 5: svga->bpp = 16; break; case 7: svga->bpp = 24; break; case 13: svga->bpp = 32; break; default: svga->bpp = 8; break; } } break; } if (old != val) { if (svga->crtcreg < 0xe || svga->crtcreg > 0x10) { svga->fullchange = changeframecount; svga_recalctimings(svga); } } break; } svga_out(addr, val, svga); } uint8_t s3_in(uint16_t addr, void *p) { s3_t *s3 = (s3_t *)p; svga_t *svga = &s3->svga; int rs2, rs3; uint8_t temp; if (((addr & 0xfff0) == 0x3d0 || (addr & 0xfff0) == 0x3b0) && !(svga->miscout & 1)) addr ^= 0x60; switch (addr) { case 0x3c1: if (svga->attraddr > 0x14) return 0xff; break; case 0x3c2: if (s3->chip == S3_86C911) return svga_in(addr, svga) | 0x10; break; case 0x3c5: if (svga->seqaddr >= 0x10 && svga->seqaddr < 0x20) return svga->seqregs[svga->seqaddr]; break; case 0x3c6: case 0x3c7: case 0x3c8: case 0x3c9: rs2 = (svga->crtc[0x55] & 0x01) || !!(svga->crtc[0x43] & 2); if (s3->chip == S3_TRIO32 || s3->chip == S3_TRIO64) return svga_in(addr, svga); else if (s3->chip == S3_VISION964 || s3->chip == S3_86C928) { rs3 = !!(svga->crtc[0x55] & 0x02); return bt48x_ramdac_in(addr, rs2, rs3, svga->ramdac, svga); } else if (s3->chip == S3_86C801 || s3->chip == S3_86C805 || s3->chip == S3_86C911) return att49x_ramdac_in(addr, svga->ramdac, svga); else return sdac_ramdac_in(addr, rs2, svga->ramdac, svga); break; case 0x3d4: return svga->crtcreg; case 0x3d5: switch (svga->crtcreg) { case 0x2d: return 0x88; /*Extended chip ID*/ case 0x2e: return s3->id_ext; /*New chip ID*/ case 0x2f: return 0; /*Revision level*/ case 0x30: return s3->id; /*Chip ID*/ case 0x31: return (svga->crtc[0x31] & 0xcf) | ((s3->ma_ext & 3) << 4); case 0x35: return (svga->crtc[0x35] & 0xf0) | (s3->bank & 0xf); case 0x45: s3->hwc_col_stack_pos = 0; break; case 0x51: return (svga->crtc[0x51] & 0xf0) | ((s3->bank >> 2) & 0xc) | ((s3->ma_ext >> 2) & 3); case 0x5c: /* General Output Port Register */ temp = svga->crtc[svga->crtcreg] & 0xf0; if (((svga->miscout >> 2) & 3) == 3) temp |= svga->crtc[0x42] & 0x0f; else temp |= ((svga->miscout >> 2) & 3); return temp; case 0x69: return s3->ma_ext; case 0x6a: return s3->bank; /* Phoenix S3 video BIOS'es seem to expect CRTC registers 6B and 6C to be mirrors of 59 and 5A. */ case 0x6b: return svga->crtc[0x59]; case 0x6c: return svga->crtc[0x5a] & 0x80; } return svga->crtc[svga->crtcreg]; } return svga_in(addr, svga); } void s3_recalctimings(svga_t *svga) { s3_t *s3 = (s3_t *)svga->p; int clk_sel = (svga->miscout >> 2) & 3; svga->hdisp = svga->hdisp_old; svga->ma_latch |= (s3->ma_ext << 16); if (svga->crtc[0x5d] & 0x01) svga->htotal += 0x100; if (svga->crtc[0x5d] & 0x02) { svga->hdisp_time += 0x100; svga->hdisp += 0x100 * ((svga->seqregs[1] & 8) ? 16 : 8); } if (svga->crtc[0x5e] & 0x01) svga->vtotal += 0x400; if (svga->crtc[0x5e] & 0x02) svga->dispend += 0x400; if (svga->crtc[0x5e] & 0x04) svga->vblankstart += 0x400; if (svga->crtc[0x5e] & 0x10) svga->vsyncstart += 0x400; if (svga->crtc[0x5e] & 0x40) svga->split += 0x400; if (svga->crtc[0x51] & 0x30) svga->rowoffset += (svga->crtc[0x51] & 0x30) << 4; else if (svga->crtc[0x43] & 0x04) svga->rowoffset += 0x100; if (!svga->rowoffset) svga->rowoffset = 256; if (s3->chip == S3_VISION964 || s3->chip == S3_86C928) bt48x_recalctimings(svga->ramdac, svga); else svga->interlace = svga->crtc[0x42] & 0x20; if ((((svga->miscout >> 2) & 3) == 3) && (s3->chip != S3_TRIO32) && (s3->chip != S3_TRIO64)) clk_sel = svga->crtc[0x42] & 0x0f; svga->clock = (cpuclock * (double)(1ull << 32)) / svga->getclock(clk_sel, svga->clock_gen); switch (svga->crtc[0x67] >> 4) { case 3: case 5: case 7: svga->clock /= 2; break; } svga->lowres = !((svga->gdcreg[5] & 0x40) && (svga->crtc[0x3a] & 0x10)); if ((svga->gdcreg[5] & 0x40) && (svga->crtc[0x3a] & 0x10)) { switch (svga->bpp) { case 8: svga->render = svga_render_8bpp_highres; break; case 15: svga->render = svga_render_15bpp_highres; if (s3->chip != S3_VISION964 && s3->chip != S3_86C801 && s3->chip != S3_86C928) svga->hdisp /= 2; break; case 16: svga->render = svga_render_16bpp_highres; if (s3->chip != S3_VISION964 && s3->chip != S3_86C801) { if (s3->chip == S3_86C928) svga->hdisp *= 2; else svga->hdisp /= 2; } break; case 24: svga->render = svga_render_24bpp_highres; if (s3->chip != S3_86C801 && s3->chip != S3_86C805 && s3->chip != S3_86C928) svga->hdisp /= 3; else svga->hdisp = (svga->hdisp * 2) / 3; break; case 32: svga->render = svga_render_32bpp_highres; if ((s3->chip != S3_TRIO32) && (s3->chip != S3_TRIO64) && (s3->chip != S3_VISION964) && (s3->chip != S3_86C928)) svga->hdisp /= 4; break; } } } void s3_updatemapping(s3_t *s3) { svga_t *svga = &s3->svga; if (!(s3->pci_regs[PCI_REG_COMMAND] & PCI_COMMAND_MEM)) { mem_mapping_disable(&svga->mapping); mem_mapping_disable(&s3->linear_mapping); mem_mapping_disable(&s3->mmio_mapping); return; } /*Banked framebuffer*/ if (svga->crtc[0x31] & 0x08) /*Enhanced mode mappings*/ { /* Enhanced mode forces 64kb at 0xa0000*/ mem_mapping_set_addr(&svga->mapping, 0xa0000, 0x10000); svga->banked_mask = 0xffff; } else switch (svga->gdcreg[6] & 0xc) /*VGA mapping*/ { case 0x0: /*128k at A0000*/ mem_mapping_set_addr(&svga->mapping, 0xa0000, 0x20000); svga->banked_mask = 0xffff; break; case 0x4: /*64k at A0000*/ mem_mapping_set_addr(&svga->mapping, 0xa0000, 0x10000); svga->banked_mask = 0xffff; break; case 0x8: /*32k at B0000*/ mem_mapping_set_addr(&svga->mapping, 0xb0000, 0x08000); svga->banked_mask = 0x7fff; break; case 0xC: /*32k at B8000*/ mem_mapping_set_addr(&svga->mapping, 0xb8000, 0x08000); svga->banked_mask = 0x7fff; break; } if ((svga->crtc[0x58] & 0x10) || (s3->accel.advfunc_cntl & 0x10)) { /*Linear framebuffer*/ mem_mapping_disable(&svga->mapping); s3->linear_base = (svga->crtc[0x5a] << 16) | (svga->crtc[0x59] << 24); if ((s3->chip == S3_86C801) || (s3->chip == S3_86C805) || (s3->chip == S3_86C911) || (s3->chip == S3_86C928)) { if (s3->vlb) s3->linear_base &= 0x03ffffff; else s3->linear_base &= 0x00ffffff; } switch (svga->crtc[0x58] & 3) { case 0: /*64k*/ s3->linear_size = 0x10000; break; case 1: /*1mb*/ s3->linear_size = 0x100000; break; case 2: /*2mb*/ s3->linear_size = 0x200000; break; case 3: /*8mb*/ switch (s3->chip) { case S3_TRIO32: case S3_TRIO64: case S3_86C801: case S3_86C805: case S3_86C928: s3->linear_size = 0x400000; break; default: s3->linear_size = 0x800000; break; } break; } s3->linear_base &= ~(s3->linear_size - 1); if (s3->linear_base == 0xa0000) { mem_mapping_disable(&s3->linear_mapping); if (!(svga->crtc[0x53] & 0x10)) { mem_mapping_set_addr(&svga->mapping, 0xa0000, 0x10000); svga->banked_mask = 0xffff; } } else mem_mapping_set_addr(&s3->linear_mapping, s3->linear_base, s3->linear_size); } else mem_mapping_disable(&s3->linear_mapping); /* Memory mapped I/O. */ if ((svga->crtc[0x53] & 0x10) || (s3->accel.advfunc_cntl & 0x20)) { /* Old MMIO. */ mem_mapping_disable(&svga->mapping); mem_mapping_enable(&s3->mmio_mapping); } else mem_mapping_disable(&s3->mmio_mapping); } static float s3_trio64_getclock(int clock, void *p) { s3_t *s3 = (s3_t *)p; svga_t *svga = &s3->svga; float t; int m, n1, n2; if (clock == 0) return 25175000.0; if (clock == 1) return 28322000.0; m = svga->seqregs[0x13] + 2; n1 = (svga->seqregs[0x12] & 0x1f) + 2; n2 = ((svga->seqregs[0x12] >> 5) & 0x07); t = (14318184.0 * ((float)m / (float)n1)) / (float)(1 << n2); return t; } int s3_enable_fifo(s3_t *s3) { /* FIXME: See why the Windows 3.x drivers break in non-FIFO mode - maybe FIFO is not disablable there? */ #if 0 svga_t *svga = &s3->svga; if ((s3->chip == S3_TRIO32) || (s3->chip == S3_TRIO64) || (s3->chip == S3_VISION864) || (s3->chip == S3_VISION964)) return 1; /* FIFO always enabled on these chips. */ return !!((svga->crtc[0x40] & 0x08) || (s3->accel.advfunc_cntl & 0x40)); #else return 1; #endif } void s3_accel_out(uint16_t port, uint8_t val, void *p) { s3_t *s3 = (s3_t *)p; if (port >= 0x8000) { if (s3_enable_fifo(s3)) s3_queue(s3, port, val, FIFO_OUT_BYTE); else s3_accel_out_fifo(s3, port, val); } else { switch (port) { case 0x4148: case 0x42e8: s3->subsys_stat &= ~val; s3_update_irqs(s3); break; case 0x4149: case 0x42e9: s3->subsys_cntl = val; s3_update_irqs(s3); break; case 0x4548: case 0x46e8: s3->accel.setup_md = val; break; case 0x4948: case 0x4ae8: s3->accel.advfunc_cntl = val; s3_updatemapping(s3); break; } } } void s3_accel_out_w(uint16_t port, uint16_t val, void *p) { s3_t *s3 = (s3_t *)p; if (s3_enable_fifo(s3)) s3_queue(s3, port, val, FIFO_OUT_WORD); else s3_accel_out_fifo_w(s3, port, val); } void s3_accel_out_l(uint16_t port, uint32_t val, void *p) { s3_t *s3 = (s3_t *)p; if (s3_enable_fifo(s3)) s3_queue(s3, port, val, FIFO_OUT_DWORD); else s3_accel_out_fifo_l(s3, port, val); } uint8_t s3_accel_in(uint16_t port, void *p) { s3_t *s3 = (s3_t *)p; int temp; switch (port) { case 0x4148: case 0x42e8: return s3->subsys_stat; case 0x4149: case 0x42e9: return s3->subsys_cntl; case 0x8148: case 0x82e8: s3_wait_fifo_idle(s3); return s3->accel.cur_y & 0xff; case 8149: case 0x82e9: s3_wait_fifo_idle(s3); return s3->accel.cur_y >> 8; case 0x8548: case 0x86e8: s3_wait_fifo_idle(s3); return s3->accel.cur_x & 0xff; case 0x8549: case 0x86e9: s3_wait_fifo_idle(s3); return s3->accel.cur_x >> 8; case 0x8948: case 0x8ae8: s3_wait_fifo_idle(s3); return s3->accel.desty_axstp & 0xff; case 0x8949: case 0x8ae9: s3_wait_fifo_idle(s3); return s3->accel.desty_axstp >> 8; case 0x8d48: case 0x8ee8: s3_wait_fifo_idle(s3); return s3->accel.destx_distp & 0xff; case 0x8d49: case 0x8ee9: s3_wait_fifo_idle(s3); return s3->accel.destx_distp >> 8; case 0x9148: case 0x92e8: s3_wait_fifo_idle(s3); return s3->accel.err_term & 0xff; case 0x9149: case 0x92e9: s3_wait_fifo_idle(s3); return s3->accel.err_term >> 8; case 0x9548: case 0x96e8: s3_wait_fifo_idle(s3); return s3->accel.maj_axis_pcnt & 0xff; case 0x9549: case 0x96e9: s3_wait_fifo_idle(s3); return s3->accel.maj_axis_pcnt >> 8; case 0x9948: case 0x9ae8: temp = 0; /* FIFO empty */ if (!s3->blitter_busy) wake_fifo_thread(s3); if (FIFO_FULL && s3->chip >= S3_VISION864) temp = 0xff; /*FIFO full*/ return temp; /*FIFO empty*/ case 0x9949: case 0x9ae9: if (!s3->blitter_busy) wake_fifo_thread(s3); temp = 0; if (s3->chip < S3_VISION864) { if (!FIFO_EMPTY) temp |= 0x02; else temp |= s3->status_9ae8; /*FIFO empty*/ if (s3->data_available) { temp |= 0x01; s3->data_available = 0; /* Clear to avoid overblits. */ } } else { if (!FIFO_EMPTY) temp |= 0x02; /*Hardware busy*/ else temp |= s3->status_9ae8; /*FIFO empty*/ if (FIFO_FULL) temp |= 0xf8; /*FIFO full*/ } return temp; case 0xa148: case 0xa2e8: s3_wait_fifo_idle(s3); return s3->accel.bkgd_color & 0xff; case 0xa149: case 0xa2e9: s3_wait_fifo_idle(s3); return s3->accel.bkgd_color >> 8; case 0xa14a: case 0xa2ea: s3_wait_fifo_idle(s3); return s3->accel.bkgd_color >> 16; case 0xa14b: case 0xa2eb: s3_wait_fifo_idle(s3); return s3->accel.bkgd_color >> 24; case 0xa548: case 0xa6e8: s3_wait_fifo_idle(s3); return s3->accel.frgd_color & 0xff; case 0xa549: case 0xa6e9: s3_wait_fifo_idle(s3); return s3->accel.frgd_color >> 8; case 0xa54a: case 0xa6ea: s3_wait_fifo_idle(s3); return s3->accel.frgd_color >> 16; case 0xa54b: case 0xa6eb: s3_wait_fifo_idle(s3); return s3->accel.frgd_color >> 24; case 0xa948: case 0xaae8: s3_wait_fifo_idle(s3); return s3->accel.wrt_mask & 0xff; case 0xa949: case 0xaae9: s3_wait_fifo_idle(s3); return s3->accel.wrt_mask >> 8; case 0xa94a: case 0xaaea: s3_wait_fifo_idle(s3); return s3->accel.wrt_mask >> 16; case 0xa94b: case 0xaaeb: s3_wait_fifo_idle(s3); return s3->accel.wrt_mask >> 24; case 0xad48: case 0xaee8: s3_wait_fifo_idle(s3); return s3->accel.rd_mask & 0xff; case 0xad49: case 0xaee9: s3_wait_fifo_idle(s3); return s3->accel.rd_mask >> 8; case 0xad4a: case 0xaeea: s3_wait_fifo_idle(s3); return s3->accel.rd_mask >> 16; case 0xad4b: case 0xaeeb: s3_wait_fifo_idle(s3); return s3->accel.rd_mask >> 24; case 0xb148: case 0xb2e8: s3_wait_fifo_idle(s3); return s3->accel.color_cmp & 0xff; case 0xb149: case 0xb2e9: s3_wait_fifo_idle(s3); return s3->accel.color_cmp >> 8; case 0xb14a: case 0xb2ea: s3_wait_fifo_idle(s3); return s3->accel.color_cmp >> 16; case 0xb14b: case 0xb2eb: s3_wait_fifo_idle(s3); return s3->accel.color_cmp >> 24; case 0xb548: case 0xb6e8: s3_wait_fifo_idle(s3); return s3->accel.bkgd_mix; case 0xb948: case 0xbae8: s3_wait_fifo_idle(s3); return s3->accel.frgd_mix; case 0xbd48: case 0xbee8: s3_wait_fifo_idle(s3); temp = s3->accel.multifunc[0xf] & 0xf; switch (temp) { case 0x0: return s3->accel.multifunc[0x0] & 0xff; case 0x1: return s3->accel.multifunc[0x1] & 0xff; case 0x2: return s3->accel.multifunc[0x2] & 0xff; case 0x3: return s3->accel.multifunc[0x3] & 0xff; case 0x4: return s3->accel.multifunc[0x4] & 0xff; case 0x5: return s3->accel.multifunc[0xa] & 0xff; case 0x6: return s3->accel.multifunc[0xe] & 0xff; case 0x7: return s3->accel.cmd & 0xff; case 0x8: return s3->accel.subsys_cntl & 0xff; case 0x9: return s3->accel.setup_md & 0xff; case 0xa: return s3->accel.multifunc[0xd] & 0xff; } return 0xff; case 0xbd49: case 0xbee9: s3_wait_fifo_idle(s3); temp = s3->accel.multifunc[0xf] & 0xf; s3->accel.multifunc[0xf]++; switch (temp) { case 0x0: return s3->accel.multifunc[0x0] >> 8; case 0x1: return s3->accel.multifunc[0x1] >> 8; case 0x2: return s3->accel.multifunc[0x2] >> 8; case 0x3: return s3->accel.multifunc[0x3] >> 8; case 0x4: return s3->accel.multifunc[0x4] >> 8; case 0x5: return s3->accel.multifunc[0xa] >> 8; case 0x6: return s3->accel.multifunc[0xe] >> 8; case 0x7: return s3->accel.cmd >> 8; case 0x8: return (s3->accel.subsys_cntl >> 8) & ~0xe000; case 0x9: return (s3->accel.setup_md >> 8) & ~0xf000; case 0xa: return s3->accel.multifunc[0xd] >> 8; } return 0xff; case 0xe148: case 0xe2e8: if (!s3_cpu_dest(s3)) break; temp = s3->accel.pix_trans[0]; if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80 && !(s3->accel.cmd & 0x600) && (s3->accel.cmd & 0x100)) s3_accel_start(8, 1, 0xffffffff, 0, s3); else if (!(s3->accel.cmd & 0x600) && (s3->accel.cmd & 0x100)) s3_accel_start(1, 1, 0xffffffff, 0xffffffff, s3); return temp; case 0xe149: case 0xe2e9: if (!s3_cpu_dest(s3)) break; temp = s3->accel.pix_trans[1]; if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80 && (s3->accel.cmd & 0x600) == 0x200 && (s3->accel.cmd & 0x100)) s3_accel_start(16, 1, 0xffffffff, 0, s3); else if ((s3->accel.cmd & 0x600) == 0x200 && (s3->accel.cmd & 0x100)) s3_accel_start(2, 1, 0xffffffff, 0xffffffff, s3); return temp; case 0xe14a: case 0xe2ea: if (!s3_cpu_dest(s3)) break; temp = s3->accel.pix_trans[2]; return temp; case 0xe14b: case 0xe2eb: if (!s3_cpu_dest(s3)) break; temp = s3->accel.pix_trans[3]; if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80 && (s3->accel.cmd & 0x400) == 0x400 && (s3->accel.cmd & 0x100)) s3_accel_start(32, 1, 0xffffffff, 0, s3); else if ((s3->accel.cmd & 0x600) == 0x400 && (s3->accel.cmd & 0x100)) s3_accel_start(4, 1, 0xffffffff, 0xffffffff, s3); return temp; } return 0; } void s3_accel_write(uint32_t addr, uint8_t val, void *p) { s3_t *s3 = (s3_t *)p; s3_queue(s3, addr & 0xffff, val, FIFO_WRITE_BYTE); } void s3_accel_write_w(uint32_t addr, uint16_t val, void *p) { s3_t *s3 = (s3_t *)p; s3_queue(s3, addr & 0xffff, val, FIFO_WRITE_WORD); } void s3_accel_write_l(uint32_t addr, uint32_t val, void *p) { s3_t *s3 = (s3_t *)p; s3_queue(s3, addr & 0xffff, val, FIFO_WRITE_DWORD); } uint8_t s3_accel_read(uint32_t addr, void *p) { s3_t *s3 = (s3_t *)p; uint8_t temp = 0x00; if (addr & 0x8000) { temp = s3_accel_in(addr & 0xffff, p); } else if (s3_cpu_dest(s3)) { temp = s3->accel.pix_trans[addr & 3]; if (s3->accel.cmd & 0x100) { if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80) s3_accel_start(8, 1, 0xffffffff, 0, s3); else s3_accel_start(1, 1, 0xffffffff, 0xffffffff, s3); } } return temp; } uint16_t s3_accel_read_w(uint32_t addr, void *p) { s3_t *s3 = (s3_t *)p; uint16_t temp = 0x0000; if (addr & 0x8000) { temp = s3_accel_read((addr & 0xfffe), p); temp |= s3_accel_read((addr & 0xfffe) + 1, p) << 8; } else if (s3_cpu_dest(s3)) { temp = s3->accel.pix_trans[addr & 2]; temp |= s3->accel.pix_trans[(addr & 2) + 1] << 8; if (s3->accel.cmd & 0x100) { if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80) { if ((s3->accel.cmd & 0x600) == 0x600 && s3->chip == S3_TRIO32) { s3_accel_start(8, 1, 0xff, 0, s3); s3_accel_start(8, 1, 0xff, 0, s3); } else if ((s3->accel.cmd & 0x600) == 0x000) s3_accel_start(8, 1, 0xffff, 0, s3); else s3_accel_start(16, 1, 0xffff, 0, s3); } else { if ((s3->accel.cmd & 0x600) == 0x000) s3_accel_start(1, 1, 0xffffffff, 0xffffffff, s3); else s3_accel_start(2, 1, 0xffffffff, 0xffffffff, s3); } } } return temp; } uint32_t s3_accel_read_l(uint32_t addr, void *p) { s3_t *s3 = (s3_t *)p; uint32_t temp = 0x00000000; if (addr & 0x8000) { temp = s3_accel_read((addr & 0xfffc), p); temp |= s3_accel_read((addr & 0xfffc) + 1, p) << 8; temp |= s3_accel_read((addr & 0xfffc) + 2, p) << 16; temp |= s3_accel_read((addr & 0xfffc) + 3, p) << 24; } else if (s3_cpu_dest(s3)) { temp = s3->accel.pix_trans[0]; temp |= s3->accel.pix_trans[1] << 8; temp |= s3->accel.pix_trans[2] << 16; temp |= s3->accel.pix_trans[3] << 24; if (s3->accel.cmd & 0x100) { if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80) { if ((s3->accel.cmd & 0x600) == 0x600 && s3->chip == S3_TRIO32) { s3_accel_start(8, 1, 0xff, 0, s3); s3_accel_start(8, 1, 0xff, 0, s3); s3_accel_start(8, 1, 0xff, 0, s3); s3_accel_start(8, 1, 0xff, 0, s3); } else if (s3->accel.cmd & 0x400) { s3_accel_start(32, 1, 0xffffffff, 0, s3); } else if ((s3->accel.cmd & 0x600) == 0x200) { s3_accel_start(16, 1, 0xffff, 0, s3); s3_accel_start(16, 1, 0xffff, 0, s3); } else { s3_accel_start(8, 1, 0xffff, 0, s3); s3_accel_start(8, 1, 0xffff, 0, s3); } } else { if (s3->accel.cmd & 0x400) s3_accel_start(4, 1, 0xffffffff, 0xffffffff, s3); else if ((s3->accel.cmd & 0x600) == 0x200) { s3_accel_start(2, 1, 0xffffffff, 0xffff, s3); s3_accel_start(2, 1, 0xffffffff, 0xffff, s3); } else { s3_accel_start(1, 1, 0xffffffff, 0xffff, s3); s3_accel_start(1, 1, 0xffffffff, 0xffff, s3); } } } } return temp; } static void polygon_setup(s3_t *s3) { if (s3->accel.point_1_updated) { int start_x = s3->accel.poly_cx; int start_y = s3->accel.poly_cy; int end_x = s3->accel.destx_distp << 20; int end_y = s3->accel.desty_axstp; if (end_y - start_y) s3->accel.poly_dx1 = (end_x - start_x) / (end_y - start_y); else s3->accel.poly_dx1 = 0; s3->accel.point_1_updated = 0; if (end_y == s3->accel.poly_cy) { s3->accel.poly_cx = end_x; s3->accel.poly_x = end_x >> 20; } } if (s3->accel.point_2_updated) { int start_x = s3->accel.poly_cx2; int start_y = s3->accel.poly_cy2; int end_x = s3->accel.x2 << 20; int end_y = s3->accel.desty_axstp2; if (end_y - start_y) s3->accel.poly_dx2 = (end_x - start_x) / (end_y - start_y); else s3->accel.poly_dx2 = 0; s3->accel.point_2_updated = 0; if (end_y == s3->accel.poly_cy) s3->accel.poly_cx2 = end_x; } } #define READ_SRC(addr, dat) if (s3->bpp == 0) dat = svga->vram[ (addr) & s3->vram_mask]; \ else if (s3->bpp == 1) dat = vram_w[(addr) & (s3->vram_mask >> 1)]; \ else dat = vram_l[(addr) & (s3->vram_mask >> 2)]; \ if (vram_mask) \ dat = ((dat & rd_mask) == rd_mask); #define READ_DST(addr, dat) if (s3->bpp == 0) dat = svga->vram[ (addr) & s3->vram_mask]; \ else if (s3->bpp == 1) dat = vram_w[(addr) & (s3->vram_mask >> 1)]; \ else dat = vram_l[(addr) & (s3->vram_mask >> 2)]; #define MIX_READ { \ switch ((mix_dat & mix_mask) ? (s3->accel.frgd_mix & 0xf) : (s3->accel.bkgd_mix & 0xf)) \ { \ case 0x0: dest_dat = ~dest_dat; break; \ case 0x1: dest_dat = 0; break; \ case 0x2: dest_dat = ~0; break; \ case 0x3: dest_dat = dest_dat; break; \ case 0x4: dest_dat = ~src_dat; break; \ case 0x5: dest_dat = src_dat ^ dest_dat; break; \ case 0x6: dest_dat = ~(src_dat ^ dest_dat); break; \ case 0x7: dest_dat = src_dat; break; \ case 0x8: dest_dat = ~(src_dat & dest_dat); break; \ case 0x9: dest_dat = ~src_dat | dest_dat; break; \ case 0xa: dest_dat = src_dat | ~dest_dat; break; \ case 0xb: dest_dat = src_dat | dest_dat; break; \ case 0xc: dest_dat = src_dat & dest_dat; break; \ case 0xd: dest_dat = src_dat & ~dest_dat; break; \ case 0xe: dest_dat = ~src_dat & dest_dat; break; \ case 0xf: dest_dat = ~(src_dat | dest_dat); break; \ } \ } #define MIX { \ uint32_t old_dest_dat = dest_dat; \ MIX_READ \ dest_dat = (dest_dat & s3->accel.wrt_mask) | (old_dest_dat & ~s3->accel.wrt_mask); \ } #define WRITE(addr) if (s3->bpp == 0) \ { \ svga->vram[(addr) & s3->vram_mask] = dest_dat; \ svga->changedvram[((addr) & s3->vram_mask) >> 12] = changeframecount; \ } \ else if (s3->bpp == 1) \ { \ vram_w[(addr) & (s3->vram_mask >> 1)] = dest_dat; \ svga->changedvram[((addr) & (s3->vram_mask >> 1)) >> 11] = changeframecount; \ } \ else \ { \ vram_l[(addr) & (s3->vram_mask >> 2)] = dest_dat; \ svga->changedvram[((addr) & (s3->vram_mask >> 2)) >> 10] = changeframecount; \ } int s3_accel_count(s3_t *s3) { if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80 && !(s3->accel.cmd & 0x600) && (s3->accel.cmd & 0x100)) return 8; else if (!(s3->accel.cmd & 0x600) && (s3->accel.cmd & 0x100)) return 1; else if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80 && ((s3->accel.cmd & 0x600) == 0x200) && (s3->accel.cmd & 0x100)) return 16; else if (((s3->accel.cmd & 0x600) == 0x200) && (s3->accel.cmd & 0x100)) return 2; else if ((s3->accel.multifunc[0xa] & 0xc0) == 0x80 && (s3->accel.cmd & 0x100)) return 32; else if (s3->accel.cmd & 0x100) return 4; else return -1; } int s3_data_len(s3_t *s3) { if (!(s3->accel.cmd & 0x600)) return 1; if ((s3->accel.cmd & 0x600) == 0x200) return 2; return 4; } void s3_accel_start(int count, int cpu_input, uint32_t mix_dat, uint32_t cpu_dat, s3_t *s3) { svga_t *svga = &s3->svga; uint32_t src_dat = 0, dest_dat; int frgd_mix, bkgd_mix; int clip_t = s3->accel.multifunc[1] & 0xfff; int clip_l = s3->accel.multifunc[2] & 0xfff; int clip_b = s3->accel.multifunc[3] & 0xfff; int clip_r = s3->accel.multifunc[4] & 0xfff; int vram_mask = (s3->accel.multifunc[0xa] & 0xc0) == 0xc0; uint32_t mix_mask = 0; uint16_t *vram_w = (uint16_t *)svga->vram; uint32_t *vram_l = (uint32_t *)svga->vram; uint32_t compare = s3->accel.color_cmp; int compare_mode = (s3->accel.multifunc[0xe] >> 7) & 3; uint32_t rd_mask = s3->accel.rd_mask; int cmd = s3->accel.cmd >> 13; int read = 0, byte_cnt = 0, i; if ((s3->chip == S3_TRIO64) && (s3->accel.cmd & (1 << 11))) cmd |= 8; if (!cpu_input) s3->accel.dat_count = 0; if (cpu_input && (s3->accel.multifunc[0xa] & 0xc0) != 0x80) { if (s3->bpp == 3 && count == 2) { if (s3->accel.dat_count) { cpu_dat = ((cpu_dat & 0xffff) << 16) | s3->accel.dat_buf; count = 4; s3->accel.dat_count = 0; } else { s3->accel.dat_buf = cpu_dat & 0xffff; s3->accel.dat_count = 1; } } if (s3->bpp == 1) count >>= 1; if (s3->bpp == 3) count >>= 2; } if (s3->bpp == 0) rd_mask &= 0xff; else if (s3->bpp == 1) rd_mask &= 0xffff; switch (s3->accel.cmd & 0x600) { case 0x000: mix_mask = 0x80; break; case 0x200: mix_mask = 0x8000; break; case 0x400: mix_mask = 0x80000000; break; case 0x600: mix_mask = (s3->chip == S3_TRIO32) ? 0x80 : 0x80000000; break; } if (s3->bpp == 0) compare &= 0xff; if (s3->bpp == 1) compare &= 0xffff; switch (cmd) { case 1: /*Draw line*/ if (!cpu_input) /*!cpu_input is trigger to start operation*/ { s3->accel.cx = s3->accel.cur_x; if (s3->accel.cur_x & 0x1000) s3->accel.cx |= ~0xfff; s3->accel.cy = s3->accel.cur_y; if (s3->accel.cur_y & 0x1000) s3->accel.cy |= ~0xfff; s3->accel.sy = s3->accel.maj_axis_pcnt; } s3->status_9ae8 = 4; /*To avoid the spam from OS/2's drivers*/ if (s3_cpu_dest(s3)) s3->data_available = 0; if (s3_cpu_src(s3) && !cpu_input) { s3->status_9ae8 = 2; /*To avoid the spam from OS/2's drivers*/ return; /*Wait for data from CPU*/ } if (s3_cpu_src(s3) && !cpu_input) return; /*Wait for data from CPU*/ frgd_mix = (s3->accel.frgd_mix >> 5) & 3; bkgd_mix = (s3->accel.bkgd_mix >> 5) & 3; if (s3->accel.cmd & 8) /*Radial*/ { while (count-- && s3->accel.sy >= 0) { if (s3->accel.cx >= clip_l && s3->accel.cx <= clip_r && s3->accel.cy >= clip_t && s3->accel.cy <= clip_b) { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = s3->accel.bkgd_color; break; case 1: src_dat = s3->accel.frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; } if ((compare_mode == 2 && src_dat != compare) || (compare_mode == 3 && src_dat == compare) || compare_mode < 2) { READ_DST((s3->accel.cy * s3->width) + s3->accel.cx, dest_dat); MIX WRITE((s3->accel.cy * s3->width) + s3->accel.cx); } } mix_dat <<= 1; mix_dat |= 1; if (s3->bpp == 0) cpu_dat >>= 8; else cpu_dat >>= 16; if (!s3->accel.sy) break; switch (s3->accel.cmd & 0xe0) { case 0x00: s3->accel.cx++; break; case 0x20: s3->accel.cx++; s3->accel.cy--; break; case 0x40: s3->accel.cy--; break; case 0x60: s3->accel.cx--; s3->accel.cy--; break; case 0x80: s3->accel.cx--; break; case 0xa0: s3->accel.cx--; s3->accel.cy++; break; case 0xc0: s3->accel.cy++; break; case 0xe0: s3->accel.cx++; s3->accel.cy++; break; } s3->accel.sy--; } s3->accel.cur_x = s3->accel.cx; s3->accel.cur_y = s3->accel.cy; } else /*Bresenham*/ { while (count-- && s3->accel.sy >= 0) { if (s3->accel.cx >= clip_l && s3->accel.cx <= clip_r && s3->accel.cy >= clip_t && s3->accel.cy <= clip_b) { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = s3->accel.bkgd_color; break; case 1: src_dat = s3->accel.frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; } if ((compare_mode == 2 && src_dat != compare) || (compare_mode == 3 && src_dat == compare) || compare_mode < 2) { READ_DST((s3->accel.cy * s3->width) + s3->accel.cx, dest_dat); MIX WRITE((s3->accel.cy * s3->width) + s3->accel.cx); } } mix_dat <<= 1; mix_dat |= 1; if (s3->bpp == 0) cpu_dat >>= 8; else cpu_dat >>= 16; if (!s3->accel.sy) break; if (s3->accel.err_term >= s3->accel.maj_axis_pcnt) { s3->accel.err_term += s3->accel.destx_distp; /*Step minor axis*/ switch (s3->accel.cmd & 0xe0) { case 0x00: s3->accel.cy--; break; case 0x20: s3->accel.cy--; break; case 0x40: s3->accel.cx--; break; case 0x60: s3->accel.cx++; break; case 0x80: s3->accel.cy++; break; case 0xa0: s3->accel.cy++; break; case 0xc0: s3->accel.cx--; break; case 0xe0: s3->accel.cx++; break; } } else s3->accel.err_term += s3->accel.desty_axstp; /*Step major axis*/ switch (s3->accel.cmd & 0xe0) { case 0x00: s3->accel.cx--; break; case 0x20: s3->accel.cx++; break; case 0x40: s3->accel.cy--; break; case 0x60: s3->accel.cy--; break; case 0x80: s3->accel.cx--; break; case 0xa0: s3->accel.cx++; break; case 0xc0: s3->accel.cy++; break; case 0xe0: s3->accel.cy++; break; } s3->accel.sy--; } s3->accel.cur_x = s3->accel.cx; s3->accel.cur_y = s3->accel.cy; } break; case 2: /*Rectangle fill*/ byte_cnt = s3_data_len(s3); s3->status_9ae8 = 4; /*To avoid the spam from OS/2's drivers*/ s3->data_available = 0; if (!cpu_input) /*!cpu_input is trigger to start operation*/ { s3->accel.sx = s3->accel.maj_axis_pcnt & 0xfff; s3->accel.sy = s3->accel.multifunc[0] & 0xfff; s3->accel.cx = s3->accel.cur_x; if (s3->accel.cur_x & 0x1000) s3->accel.cx |= ~0xfff; s3->accel.cy = s3->accel.cur_y; if (s3->accel.cur_y & 0x1000) s3->accel.cy |= ~0xfff; s3->accel.dest = s3->accel.cy * s3->width; if (s3_cpu_src(s3)) { s3->status_9ae8 = 2; /*To avoid the spam from OS/2's drivers*/ return; /*Wait for data from CPU*/ } else if (s3_cpu_dest(s3)) count = s3_accel_count(s3); } frgd_mix = (s3->accel.frgd_mix >> 5) & 3; bkgd_mix = (s3->accel.bkgd_mix >> 5) & 3; s3->accel.pix_trans[0] = 0xff; s3->accel.pix_trans[1] = 0xff; s3->accel.pix_trans[2] = 0xff; s3->accel.pix_trans[3] = 0xff; while (count-- && s3->accel.sy >= 0) { if (s3->accel.cx >= clip_l && s3->accel.cx <= clip_r && s3->accel.cy >= clip_t && s3->accel.cy <= clip_b) { if (s3_cpu_dest(s3) && ((s3->accel.multifunc[0xa] & 0xc0) == 0x00)) mix_dat = mix_mask; /* Mix data = forced to foreground register. */ else if (s3_cpu_dest(s3) && vram_mask) { /* Mix data = current video memory value. */ READ_SRC(s3->accel.dest + s3->accel.cx, mix_dat); mix_dat = mix_dat ? mix_mask : 0; } if (s3_cpu_dest(s3)) { READ_SRC(s3->accel.dest + s3->accel.cx, src_dat); } else switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = s3->accel.bkgd_color; break; case 1: src_dat = s3->accel.frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; } if ((compare_mode == 2 && src_dat != compare) || (compare_mode == 3 && src_dat == compare) || compare_mode < 2) { if (s3_cpu_dest(s3)) dest_dat = 0xffffffff; else { READ_DST(s3->accel.dest + s3->accel.cx, dest_dat); } MIX if (s3_cpu_dest(s3)) { for (i = 0; i <= s3->bpp; i++) s3->accel.pix_trans[read + i] = (src_dat >> (i << 3)) & 0xff; /* Yes, src_dat is correct, there is no mixing/ROP's done on PIX_TRANS reads. */ } else WRITE(s3->accel.dest + s3->accel.cx); } } if (s3_cpu_dest(s3)) { read += (s3->bpp + 1); if (read >= byte_cnt) s3->data_available = 1; /* Read data available. */ } mix_dat <<= 1; mix_dat |= 1; if (s3->bpp == 0) cpu_dat >>= 8; else cpu_dat >>= 16; if (s3->accel.cmd & 0x20) s3->accel.cx++; else s3->accel.cx--; s3->accel.sx--; if (s3->accel.sx < 0) { if (s3->accel.cmd & 0x20) s3->accel.cx -= (s3->accel.maj_axis_pcnt & 0xfff) + 1; else s3->accel.cx += (s3->accel.maj_axis_pcnt & 0xfff) + 1; s3->accel.sx = s3->accel.maj_axis_pcnt & 0xfff; if (s3->accel.cmd & 0x80) s3->accel.cy++; else s3->accel.cy--; s3->accel.dest = s3->accel.cy * s3->width; s3->accel.sy--; if (cpu_input/* && (s3->accel.multifunc[0xa] & 0xc0) == 0x80*/) { if (s3_cpu_dest(s3)) s3->data_available = 1; return; } if (s3->accel.sy < 0) { s3->accel.cur_x = s3->accel.cx; s3->accel.cur_y = s3->accel.cy; if (s3_cpu_dest(s3)) s3->data_available = 1; return; } } if (s3_cpu_dest(s3) && s3->data_available) return; } break; case 6: /*BitBlt*/ if (!cpu_input) /*!cpu_input is trigger to start operation*/ { s3->accel.sx = s3->accel.maj_axis_pcnt & 0xfff; s3->accel.sy = s3->accel.multifunc[0] & 0xfff; s3->accel.dx = s3->accel.destx_distp & 0xfff; if (s3->accel.destx_distp & 0x1000) s3->accel.dx |= ~0xfff; s3->accel.dy = s3->accel.desty_axstp & 0xfff; if (s3->accel.desty_axstp & 0x1000) s3->accel.dy |= ~0xfff; s3->accel.cx = s3->accel.cur_x & 0xfff; if (s3->accel.cur_x & 0x1000) s3->accel.cx |= ~0xfff; s3->accel.cy = s3->accel.cur_y & 0xfff; if (s3->accel.cur_y & 0x1000) s3->accel.cy |= ~0xfff; s3->accel.src = s3->accel.cy * s3->width; s3->accel.dest = s3->accel.dy * s3->width; } s3->status_9ae8 = 4; /*To avoid the spam from OS/2's drivers*/ if ((s3->accel.cmd & 0x100) && !cpu_input) { s3->status_9ae8 = 2; /*To avoid the spam from OS/2's drivers*/ return; /*Wait for data from CPU*/ } if ((s3->accel.cmd & 0x100) && !cpu_input) return; /*Wait for data from CPU*/ if (s3->accel.sy < 0) return; frgd_mix = (s3->accel.frgd_mix >> 5) & 3; bkgd_mix = (s3->accel.bkgd_mix >> 5) & 3; if (!cpu_input && frgd_mix == 3 && !vram_mask && !compare_mode && (s3->accel.cmd & 0xa0) == 0xa0 && (s3->accel.frgd_mix & 0xf) == 7 && (s3->accel.bkgd_mix & 0xf) == 7) { while (1) { if (s3->accel.dx >= clip_l && s3->accel.dx <= clip_r && s3->accel.dy >= clip_t && s3->accel.dy <= clip_b) { READ_SRC(s3->accel.src + s3->accel.cx, src_dat); READ_DST(s3->accel.dest + s3->accel.dx, dest_dat); dest_dat = (src_dat & s3->accel.wrt_mask) | (dest_dat & ~s3->accel.wrt_mask); WRITE(s3->accel.dest + s3->accel.dx); } s3->accel.cx++; s3->accel.dx++; s3->accel.sx--; if (s3->accel.sx < 0) { s3->accel.cx -= (s3->accel.maj_axis_pcnt & 0xfff) + 1; s3->accel.dx -= (s3->accel.maj_axis_pcnt & 0xfff) + 1; s3->accel.sx = s3->accel.maj_axis_pcnt & 0xfff; s3->accel.cy++; s3->accel.dy++; s3->accel.src = s3->accel.cy * s3->width; s3->accel.dest = s3->accel.dy * s3->width; s3->accel.sy--; if (s3->accel.sy < 0) { return; } } } } else { while (count-- && s3->accel.sy >= 0) { if (s3->accel.dx >= clip_l && s3->accel.dx <= clip_r && s3->accel.dy >= clip_t && s3->accel.dy <= clip_b) { if (vram_mask) { READ_SRC(s3->accel.src + s3->accel.cx, mix_dat) mix_dat = mix_dat ? mix_mask : 0; } switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = s3->accel.bkgd_color; break; case 1: src_dat = s3->accel.frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: READ_SRC(s3->accel.src + s3->accel.cx, src_dat); break; } if ((compare_mode == 2 && src_dat != compare) || (compare_mode == 3 && src_dat == compare) || compare_mode < 2) { READ_DST(s3->accel.dest + s3->accel.dx, dest_dat); MIX WRITE(s3->accel.dest + s3->accel.dx); } } mix_dat <<= 1; mix_dat |= 1; if (s3->bpp == 0) cpu_dat >>= 8; else cpu_dat >>= 16; if (s3->accel.cmd & 0x20) { s3->accel.cx++; s3->accel.dx++; } else { s3->accel.cx--; s3->accel.dx--; } s3->accel.sx--; if (s3->accel.sx < 0) { if (s3->accel.cmd & 0x20) { s3->accel.cx -= (s3->accel.maj_axis_pcnt & 0xfff) + 1; s3->accel.dx -= (s3->accel.maj_axis_pcnt & 0xfff) + 1; } else { s3->accel.cx += (s3->accel.maj_axis_pcnt & 0xfff) + 1; s3->accel.dx += (s3->accel.maj_axis_pcnt & 0xfff) + 1; } s3->accel.sx = s3->accel.maj_axis_pcnt & 0xfff; if (s3->accel.cmd & 0x80) { s3->accel.cy++; s3->accel.dy++; } else { s3->accel.cy--; s3->accel.dy--; } s3->accel.src = s3->accel.cy * s3->width; s3->accel.dest = s3->accel.dy * s3->width; s3->accel.sy--; if (cpu_input/* && (s3->accel.multifunc[0xa] & 0xc0) == 0x80*/) return; if (s3->accel.sy < 0) { return; } } } } break; case 7: /*Pattern fill - BitBlt but with source limited to 8x8*/ if (!cpu_input) /*!cpu_input is trigger to start operation*/ { s3->accel.sx = s3->accel.maj_axis_pcnt & 0xfff; s3->accel.sy = s3->accel.multifunc[0] & 0xfff; s3->accel.dx = s3->accel.destx_distp & 0xfff; if (s3->accel.destx_distp & 0x1000) s3->accel.dx |= ~0xfff; s3->accel.dy = s3->accel.desty_axstp & 0xfff; if (s3->accel.desty_axstp & 0x1000) s3->accel.dy |= ~0xfff; s3->accel.cx = s3->accel.cur_x & 0xfff; if (s3->accel.cur_x & 0x1000) s3->accel.cx |= ~0xfff; s3->accel.cy = s3->accel.cur_y & 0xfff; if (s3->accel.cur_y & 0x1000) s3->accel.cy |= ~0xfff; /*Align source with destination*/ s3->accel.pattern = (s3->accel.cy * s3->width) + s3->accel.cx; s3->accel.dest = s3->accel.dy * s3->width; s3->accel.cx = s3->accel.dx & 7; s3->accel.cy = s3->accel.dy & 7; s3->accel.src = s3->accel.pattern + (s3->accel.cy * s3->width); } s3->status_9ae8 = 4; /*To avoid the spam from OS/2's drivers*/ if ((s3->accel.cmd & 0x100) && !cpu_input) { s3->status_9ae8 = 2; /*To avoid the spam from OS/2's drivers*/ return; /*Wait for data from CPU*/ } if ((s3->accel.cmd & 0x100) && !cpu_input) return; /*Wait for data from CPU*/ frgd_mix = (s3->accel.frgd_mix >> 5) & 3; bkgd_mix = (s3->accel.bkgd_mix >> 5) & 3; while (count-- && s3->accel.sy >= 0) { if (s3->accel.dx >= clip_l && s3->accel.dx <= clip_r && s3->accel.dy >= clip_t && s3->accel.dy <= clip_b) { if (vram_mask) { READ_SRC(s3->accel.src + s3->accel.cx, mix_dat) mix_dat = mix_dat ? mix_mask : 0; } switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = s3->accel.bkgd_color; break; case 1: src_dat = s3->accel.frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: READ_SRC(s3->accel.src + s3->accel.cx, src_dat); break; } if ((compare_mode == 2 && src_dat != compare) || (compare_mode == 3 && src_dat == compare) || compare_mode < 2) { READ_DST(s3->accel.dest + s3->accel.dx, dest_dat); MIX WRITE(s3->accel.dest + s3->accel.dx); } } mix_dat <<= 1; mix_dat |= 1; if (s3->bpp == 0) cpu_dat >>= 8; else cpu_dat >>= 16; if (s3->accel.cmd & 0x20) { s3->accel.cx = ((s3->accel.cx + 1) & 7) | (s3->accel.cx & ~7); s3->accel.dx++; } else { s3->accel.cx = ((s3->accel.cx - 1) & 7) | (s3->accel.cx & ~7); s3->accel.dx--; } s3->accel.sx--; if (s3->accel.sx < 0) { if (s3->accel.cmd & 0x20) { s3->accel.cx = ((s3->accel.cx - ((s3->accel.maj_axis_pcnt & 0xfff) + 1)) & 7) | (s3->accel.cx & ~7); s3->accel.dx -= (s3->accel.maj_axis_pcnt & 0xfff) + 1; } else { s3->accel.cx = ((s3->accel.cx + ((s3->accel.maj_axis_pcnt & 0xfff) + 1)) & 7) | (s3->accel.cx & ~7); s3->accel.dx += (s3->accel.maj_axis_pcnt & 0xfff) + 1; } s3->accel.sx = s3->accel.maj_axis_pcnt & 0xfff; if (s3->accel.cmd & 0x80) { s3->accel.cy = ((s3->accel.cy + 1) & 7) | (s3->accel.cy & ~7); s3->accel.dy++; } else { s3->accel.cy = ((s3->accel.cy - 1) & 7) | (s3->accel.cy & ~7); s3->accel.dy--; } s3->accel.src = s3->accel.pattern + (s3->accel.cy * s3->width); s3->accel.dest = s3->accel.dy * s3->width; s3->accel.sy--; if (cpu_input/* && (s3->accel.multifunc[0xa] & 0xc0) == 0x80*/) return; if (s3->accel.sy < 0) return; } } break; case 3: /*Polygon Fill Solid (Trio64 only)*/ { int end_y1, end_y2; if (s3->chip != S3_TRIO64) break; polygon_setup(s3); s3->status_9ae8 = 4; /*To avoid the spam from OS/2's drivers*/ if ((s3->accel.cmd & 0x100) && !cpu_input) { s3->status_9ae8 = 2; /*To avoid the spam from OS/2's drivers*/ return; /*Wait for data from CPU*/ } if ((s3->accel.cmd & 0x100) && !cpu_input) return; /*Wait for data from CPU*/ end_y1 = s3->accel.desty_axstp; end_y2 = s3->accel.desty_axstp2; frgd_mix = (s3->accel.frgd_mix >> 5) & 3; while ((s3->accel.poly_cy < end_y1) && (s3->accel.poly_cy2 < end_y2)) { int y = s3->accel.poly_cy; int x_count = ABS((s3->accel.poly_cx2 >> 20) - s3->accel.poly_x) + 1; s3->accel.dest = y * s3->width; while (x_count-- && count--) { if (s3->accel.poly_x >= clip_l && s3->accel.poly_x <= clip_r && s3->accel.poly_cy >= clip_t && s3->accel.poly_cy <= clip_b) { switch (frgd_mix) { case 0: src_dat = s3->accel.bkgd_color; break; case 1: src_dat = s3->accel.frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; /*Nor supported?*/ break; } if ((compare_mode == 2 && src_dat != compare) || (compare_mode == 3 && src_dat == compare) || compare_mode < 2) { READ_DST(s3->accel.dest + s3->accel.poly_x, dest_dat); MIX WRITE(s3->accel.dest + s3->accel.poly_x); } } if (s3->bpp == 0) cpu_dat >>= 8; else cpu_dat >>= 16; if (s3->accel.poly_x < (s3->accel.poly_cx2 >> 20)) s3->accel.poly_x++; else s3->accel.poly_x--; } s3->accel.poly_cx += s3->accel.poly_dx1; s3->accel.poly_cx2 += s3->accel.poly_dx2; s3->accel.poly_x = s3->accel.poly_cx >> 20; s3->accel.poly_cy++; s3->accel.poly_cy2++; if (!count) break; } s3->accel.cur_x = s3->accel.poly_cx & 0xfff; s3->accel.cur_y = s3->accel.poly_cy & 0xfff; s3->accel.cur_x2 = s3->accel.poly_cx2 & 0xfff; s3->accel.cur_y2 = s3->accel.poly_cy & 0xfff; } break; case 11: /*Polygon Fill Pattern (Trio64 only)*/ { int end_y1, end_y2; if (s3->chip != S3_TRIO64) break; polygon_setup(s3); s3->status_9ae8 = 4; /*To avoid the spam from OS/2's drivers*/ if ((s3->accel.cmd & 0x100) && !cpu_input) { s3->status_9ae8 = 2; /*To avoid the spam from OS/2's drivers*/ return; /*Wait for data from CPU*/ } if ((s3->accel.cmd & 0x100) && !cpu_input) return; /*Wait for data from CPU*/ end_y1 = s3->accel.desty_axstp; end_y2 = s3->accel.desty_axstp2; frgd_mix = (s3->accel.frgd_mix >> 5) & 3; bkgd_mix = (s3->accel.bkgd_mix >> 5) & 3; while ((s3->accel.poly_cy < end_y1) && (s3->accel.poly_cy2 < end_y2)) { int y = s3->accel.poly_cy; int x_count = ABS((s3->accel.poly_cx2 >> 20) - s3->accel.poly_x) + 1; s3->accel.src = s3->accel.pattern + ((y & 7) * s3->width); s3->accel.dest = y * s3->width; while (x_count-- && count--) { int pat_x = s3->accel.poly_x & 7; if (s3->accel.poly_x >= clip_l && s3->accel.poly_x <= clip_r && s3->accel.poly_cy >= clip_t && s3->accel.poly_cy <= clip_b) { if (vram_mask) { READ_SRC(s3->accel.src + pat_x, mix_dat) mix_dat = mix_dat ? mix_mask : 0; } switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = s3->accel.bkgd_color; break; case 1: src_dat = s3->accel.frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: READ_SRC(s3->accel.src + pat_x, src_dat); break; } if ((compare_mode == 2 && src_dat != compare) || (compare_mode == 3 && src_dat == compare) || compare_mode < 2) { READ_DST(s3->accel.dest + s3->accel.poly_x, dest_dat); MIX WRITE(s3->accel.dest + s3->accel.poly_x); } } if (s3->bpp == 0) cpu_dat >>= 8; else cpu_dat >>= 16; mix_dat <<= 1; mix_dat |= 1; if (s3->accel.poly_x < (s3->accel.poly_cx2 >> 20)) s3->accel.poly_x++; else s3->accel.poly_x--; } s3->accel.poly_cx += s3->accel.poly_dx1; s3->accel.poly_cx2 += s3->accel.poly_dx2; s3->accel.poly_x = s3->accel.poly_cx >> 20; s3->accel.poly_cy++; s3->accel.poly_cy2++; if (!count) break; } s3->accel.cur_x = s3->accel.poly_cx & 0xfff; s3->accel.cur_y = s3->accel.poly_cy & 0xfff; s3->accel.cur_x2 = s3->accel.poly_cx2 & 0xfff; s3->accel.cur_y2 = s3->accel.poly_cy & 0xfff; } break; } } uint8_t s3_pci_read(int func, int addr, void *p) { s3_t *s3 = (s3_t *)p; svga_t *svga = &s3->svga; switch (addr) { case 0x00: return 0x33; /*'S3'*/ case 0x01: return 0x53; case 0x02: return s3->id_ext_pci; case 0x03: return 0x88; case PCI_REG_COMMAND: return s3->pci_regs[PCI_REG_COMMAND]; /*Respond to IO and memory accesses*/ case 0x07: return 1 << 1; /*Medium DEVSEL timing*/ case 0x08: return 0; /*Revision ID*/ case 0x09: return 0; /*Programming interface*/ case 0x0a: if ((s3->chip == S3_TRIO32) || (s3->chip == S3_TRIO64)) return 0x00; /*Supports VGA interface*/ else return 0x01; case 0x0b: if ((s3->chip == S3_TRIO32) || (s3->chip == S3_TRIO64)) return 0x03; else return 0x00; case 0x10: return 0x00; /*Linear frame buffer address*/ case 0x11: return 0x00; case 0x12: return svga->crtc[0x5a] & 0x80; case 0x13: return svga->crtc[0x59]; case 0x30: return s3->has_bios ? (s3->pci_regs[0x30] & 0x01) : 0x00; /*BIOS ROM address*/ case 0x31: return 0x00; case 0x32: return s3->has_bios ? s3->pci_regs[0x32] : 0x00; case 0x33: return s3->has_bios ? s3->pci_regs[0x33] : 0x00; case 0x3c: return s3->int_line; case 0x3d: return PCI_INTA; } return 0; } void s3_pci_write(int func, int addr, uint8_t val, void *p) { s3_t *s3 = (s3_t *)p; svga_t *svga = &s3->svga; switch (addr) { case PCI_REG_COMMAND: s3->pci_regs[PCI_REG_COMMAND] = val & 0x23; if (val & PCI_COMMAND_IO) s3_io_set(s3); else s3_io_remove(s3); s3_updatemapping(s3); break; case 0x12: svga->crtc[0x5a] = (svga->crtc[0x5a] & 0x7f) | (val & 0x80); s3_updatemapping(s3); break; case 0x13: svga->crtc[0x59] = val; s3_updatemapping(s3); break; case 0x30: case 0x32: case 0x33: if (!s3->has_bios) return; s3->pci_regs[addr] = val; if (s3->pci_regs[0x30] & 0x01) { uint32_t addr = (s3->pci_regs[0x32] << 16) | (s3->pci_regs[0x33] << 24); mem_mapping_set_addr(&s3->bios_rom.mapping, addr, 0x8000); } else { mem_mapping_disable(&s3->bios_rom.mapping); } return; case 0x3c: s3->int_line = val; return; } } static int vram_sizes[] = { 7, /*512 kB*/ 6, /*1 MB*/ 4, /*2 MB*/ 0, 0, /*4 MB*/ 0, 0, 0, 3 /*8 MB*/ }; static void *s3_init(const device_t *info) { const wchar_t *bios_fn; int chip, stepping; s3_t *s3 = malloc(sizeof(s3_t)); svga_t *svga = &s3->svga; int vram; uint32_t vram_size; switch(info->local) { case S3_ORCHID_86C911: bios_fn = ROM_ORCHID_86C911; chip = S3_86C911; video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_86c911); break; case S3_V7MIRAGE_86C801: bios_fn = ROM_V7MIRAGE_86C801; chip = S3_86C801; video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_86c801); break; case S3_PHOENIX_86C805: bios_fn = ROM_PHOENIX_86C805; chip = S3_86C805; video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_86c805); break; case S3_METHEUS_86C928: bios_fn = ROM_METHEUS_86C928; chip = S3_86C928; if (info->flags & DEVICE_VLB) video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_86c805); else video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_86c801); break; case S3_PARADISE_BAHAMAS64: bios_fn = ROM_PARADISE_BAHAMAS64; chip = S3_VISION864; if (info->flags & DEVICE_PCI) video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_vision864_pci); else video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_vision864_vlb); break; case S3_PHOENIX_VISION864: bios_fn = ROM_PHOENIX_VISION864; chip = S3_VISION864; if (info->flags & DEVICE_PCI) video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_vision864_pci); else video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_vision864_vlb); break; case S3_DIAMOND_STEALTH64_964: bios_fn = ROM_DIAMOND_STEALTH64_964; chip = S3_VISION964; if (info->flags & DEVICE_PCI) video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_vision964_pci); else video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_vision964_vlb); break; case S3_PHOENIX_TRIO32: bios_fn = ROM_PHOENIX_TRIO32; chip = S3_TRIO32; if (info->flags & DEVICE_PCI) video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_trio32_pci); else video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_trio32_vlb); break; case S3_PHOENIX_TRIO64: bios_fn = ROM_PHOENIX_TRIO64; chip = S3_TRIO64; if (info->flags & DEVICE_PCI) video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_trio64_pci); else video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_trio64_vlb); break; case S3_PHOENIX_TRIO64_ONBOARD: bios_fn = NULL; chip = S3_TRIO64; if (info->flags & DEVICE_PCI) video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_trio64_pci); else video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_trio64_vlb); break; case S3_DIAMOND_STEALTH64_764: bios_fn = ROM_DIAMOND_STEALTH64_764; chip = S3_TRIO64; if (info->flags & DEVICE_PCI) video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_stealth64_pci); else video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_stealth64_vlb); break; case S3_NUMBER9_9FX: bios_fn = ROM_NUMBER9_9FX; chip = S3_TRIO64; if (info->flags & DEVICE_PCI) video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_trio64_pci); else video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_s3_trio64_vlb); break; default: free(s3); return NULL; } memset(s3, 0, sizeof(s3_t)); vram = device_get_config_int("memory"); if (vram) vram_size = vram << 20; else vram_size = 512 << 10; s3->vram_mask = vram_size - 1; s3->has_bios = (bios_fn != NULL); if (s3->has_bios) { rom_init(&s3->bios_rom, (wchar_t *) bios_fn, 0xc0000, 0x8000, 0x7fff, 0, MEM_MAPPING_EXTERNAL); if (info->flags & DEVICE_PCI) mem_mapping_disable(&s3->bios_rom.mapping); } s3->pci = !!(info->flags & DEVICE_PCI); s3->vlb = !!(info->flags & DEVICE_VLB); if (s3->pci || s3->vlb) { mem_mapping_add(&s3->linear_mapping, 0, 0, svga_read_linear, svga_readw_linear, svga_readl_linear, svga_write_linear, svga_writew_linear, svga_writel_linear, NULL, MEM_MAPPING_EXTERNAL, &s3->svga); mem_mapping_add(&s3->mmio_mapping, 0xa0000, 0x10000, s3_accel_read, s3_accel_read_w, s3_accel_read_l, s3_accel_write, s3_accel_write_w, s3_accel_write_l, NULL, MEM_MAPPING_EXTERNAL, s3); } else { mem_mapping_add(&s3->linear_mapping, 0, 0, svga_read_linear, svga_readw_linear, NULL, svga_write_linear, svga_writew_linear, NULL, NULL, MEM_MAPPING_EXTERNAL, &s3->svga); mem_mapping_add(&s3->mmio_mapping, 0xa0000, 0x10000, s3_accel_read, s3_accel_read_w, NULL, s3_accel_write, s3_accel_write_w, NULL, NULL, MEM_MAPPING_EXTERNAL, s3); } mem_mapping_disable(&s3->mmio_mapping); if (chip == S3_VISION964) svga_init(info, &s3->svga, s3, vram_size, s3_recalctimings, s3_in, s3_out, NULL, NULL); else svga_init(info, &s3->svga, s3, vram_size, s3_recalctimings, s3_in, s3_out, s3_hwcursor_draw, NULL); if (chip == S3_VISION964) svga->dac_hwcursor_draw = bt48x_hwcursor_draw; if (s3->chip >= S3_VISION864) { switch (vram) { case 0: /* 512 kB */ svga->vram_mask = (1 << 19) - 1; svga->vram_max = 2 << 20; break; case 1: /* 1 MB */ /* VRAM in first MB, mirrored in 2nd MB, 3rd and 4th MBs are open bus. This works with the #9 9FX BIOS, and matches how my real Trio64 behaves, but does not work with the Phoenix EDO BIOS. Possibly an FPM/EDO difference? */ svga->vram_mask = (1 << 20) - 1; svga->vram_max = 2 << 20; break; case 2: default: /*2 MB */ /* VRAM in first 2 MB, 3rd and 4th MBs are open bus. */ svga->vram_mask = (2 << 20) - 1; svga->vram_max = 2 << 20; break; case 4: /*4MB*/ svga->vram_mask = (4 << 20) - 1; svga->vram_max = 4 << 20; break; case 8: /*8MB*/ svga->vram_mask = (8 << 20) - 1; svga->vram_max = 8 << 20; break; } } if (info->flags & DEVICE_PCI) svga->crtc[0x36] = 2 | (3 << 2) | (1 << 4) | (vram_sizes[vram] << 5); else if (info->flags & DEVICE_VLB) svga->crtc[0x36] = 1 | (3 << 2) | (1 << 4) | (vram_sizes[vram] << 5); else svga->crtc[0x36] = 3 | (3 << 2) | (1 << 4) | (vram_sizes[vram] << 5); svga->crtc[0x37] = 1 | (7 << 5); svga->vblank_start = s3_vblank_start; s3_io_set(s3); if (info->flags & DEVICE_PCI) s3->card = pci_add_card(PCI_ADD_VIDEO, s3_pci_read, s3_pci_write, s3); s3->pci_regs[0x04] = 7; s3->pci_regs[0x30] = 0x00; s3->pci_regs[0x32] = 0x0c; s3->pci_regs[0x33] = 0x00; s3->chip = chip; s3->wake_fifo_thread = thread_create_event(); s3->fifo_not_full_event = thread_create_event(); s3->fifo_thread = thread_create(fifo_thread, s3); s3->int_line = 0; switch(info->local) { case S3_ORCHID_86C911: svga->decode_mask = (1 << 20) - 1; stepping = 0x81; /*86C911*/ s3->id = stepping; s3->id_ext = stepping; s3->id_ext_pci = 0; s3->packed_mmio = 0; s3->width = 1024; svga->ramdac = device_add(&att490_ramdac_device); svga->clock_gen = device_add(&av9194_device); svga->getclock = av9194_getclock; break; case S3_V7MIRAGE_86C801: svga->decode_mask = (2 << 20) - 1; stepping = 0xa0; /*86C801/86C805*/ s3->id = stepping; s3->id_ext = stepping; s3->id_ext_pci = 0; s3->packed_mmio = 0; svga->crtc[0x5a] = 0x0a; svga->ramdac = device_add(&att490_ramdac_device); svga->clock_gen = device_add(&av9194_device); svga->getclock = av9194_getclock; break; case S3_PHOENIX_86C805: svga->decode_mask = (2 << 20) - 1; stepping = 0xa0; /*86C801/86C805*/ s3->id = stepping; s3->id_ext = stepping; s3->id_ext_pci = 0; s3->packed_mmio = 0; svga->crtc[0x5a] = 0x0a; svga->ramdac = device_add(&att492_ramdac_device); svga->clock_gen = device_add(&av9194_device); svga->getclock = av9194_getclock; break; case S3_METHEUS_86C928: svga->decode_mask = (4 << 20) - 1; stepping = 0x90; /*86C928*/ s3->id = stepping; s3->id_ext = stepping; s3->id_ext_pci = 0; s3->packed_mmio = 0; svga->crtc[0x5a] = 0x0a; svga->ramdac = device_add(&bt485_ramdac_device); svga->clock_gen = device_add(&icd2061_device); svga->getclock = icd2061_getclock; break; case S3_PARADISE_BAHAMAS64: case S3_PHOENIX_VISION864: svga->decode_mask = (8 << 20) - 1; if (info->local == S3_PARADISE_BAHAMAS64) stepping = 0xc0; /*Vision864*/ else stepping = 0xc1; /*Vision864P*/ s3->id = stepping; s3->id_ext = s3->id_ext_pci = stepping; s3->packed_mmio = 0; svga->ramdac = device_add(&sdac_ramdac_device); svga->clock_gen = svga->ramdac; svga->getclock = sdac_getclock; break; case S3_DIAMOND_STEALTH64_964: svga->decode_mask = (8 << 20) - 1; stepping = 0xd0; /*Vision964P*/ s3->id = stepping; s3->id_ext = s3->id_ext_pci = stepping; s3->packed_mmio = 1; svga->crtc[0x5a] = 0x0a; svga->ramdac = device_add(&bt485_ramdac_device); svga->clock_gen = device_add(&icd2061_device); svga->getclock = icd2061_getclock; break; case S3_PHOENIX_TRIO32: svga->decode_mask = (4 << 20) - 1; s3->id = 0xe1; /*Trio32*/ s3->id_ext = 0x10; s3->id_ext_pci = 0x11; s3->packed_mmio = 1; svga->clock_gen = s3; svga->getclock = s3_trio64_getclock; break; case S3_PHOENIX_TRIO64: case S3_PHOENIX_TRIO64_ONBOARD: case S3_DIAMOND_STEALTH64_764: if (device_get_config_int("memory") == 1) s3->svga.vram_max = 1 << 20; /* Phoenix BIOS does not expect VRAM to be mirrored. */ /* Fall over. */ case S3_NUMBER9_9FX: svga->decode_mask = (4 << 20) - 1; s3->id = 0xe1; /*Trio64*/ s3->id_ext = s3->id_ext_pci = 0x11; s3->packed_mmio = 1; svga->clock_gen = s3; svga->getclock = s3_trio64_getclock; break; default: return NULL; } return s3; } static int s3_orchid_86c911_available(void) { return rom_present(ROM_ORCHID_86C911); } static int s3_v7mirage_86c801_available(void) { return rom_present(ROM_V7MIRAGE_86C801); } static int s3_phoenix_86c805_available(void) { return rom_present(ROM_PHOENIX_86C805); } static int s3_metheus_86c928_available(void) { return rom_present(ROM_METHEUS_86C928); } static int s3_bahamas64_available(void) { return rom_present(ROM_PARADISE_BAHAMAS64); } static int s3_phoenix_vision864_available(void) { return rom_present(ROM_PHOENIX_VISION864); } static int s3_diamond_stealth64_964_available(void) { return rom_present(ROM_DIAMOND_STEALTH64_964); } static int s3_phoenix_trio32_available(void) { return rom_present(ROM_PHOENIX_TRIO32); } static int s3_9fx_available(void) { return rom_present(ROM_NUMBER9_9FX); } static int s3_phoenix_trio64_available(void) { return rom_present(ROM_PHOENIX_TRIO64); } static int s3_diamond_stealth64_764_available(void) { return rom_present(ROM_DIAMOND_STEALTH64_764); } static void s3_close(void *p) { s3_t *s3 = (s3_t *)p; svga_close(&s3->svga); thread_kill(s3->fifo_thread); thread_destroy_event(s3->wake_fifo_thread); thread_destroy_event(s3->fifo_not_full_event); free(s3); } static void s3_speed_changed(void *p) { s3_t *s3 = (s3_t *)p; svga_recalctimings(&s3->svga); } static void s3_force_redraw(void *p) { s3_t *s3 = (s3_t *)p; s3->svga.fullchange = changeframecount; } static const device_config_t s3_orchid_86c911_config[] = { { "memory", "Memory size", CONFIG_SELECTION, "", 1, { { "512 KB", 0 }, { "1 MB", 1 }, { "" } } }, { "", "", -1 } }; static const device_config_t s3_9fx_config[] = { { "memory", "Memory size", CONFIG_SELECTION, "", 2, { { "1 MB", 1 }, { "2 MB", 2 }, /*Trio64 also supports 4 MB, however the Number Nine BIOS does not*/ { "" } } }, { "", "", -1 } }; static const device_config_t s3_phoenix_trio32_config[] = { { "memory", "Memory size", CONFIG_SELECTION, "", 2, { { "512 KB", 0 }, { "1 MB", 1 }, { "2 MB", 2 }, { "" } } }, { "", "", -1 } }; static const device_config_t s3_phoenix_trio64_onboard_config[] = { { "memory", "Video memory size", CONFIG_SELECTION, "", 4, { { "1 MB", 1 }, { "2 MB", 2 }, { "4 MB", 4 }, { "" } } }, { "", "", -1 } }; static const device_config_t s3_config[] = { { "memory", "Memory size", CONFIG_SELECTION, "", 4, { { "1 MB", 1 }, { "2 MB", 2 }, { "4 MB", 4 }, { "8 MB", 8 }, { "" } } }, { "", "", -1 } }; const device_t s3_orchid_86c911_isa_device = { "Orchid Fahrenheit 1280 (S3 86c911) ISA", DEVICE_AT | DEVICE_ISA, S3_ORCHID_86C911, s3_init, s3_close, NULL, s3_orchid_86c911_available, s3_speed_changed, s3_force_redraw, s3_orchid_86c911_config }; const device_t s3_v7mirage_86c801_isa_device = { "SPEA V7 Mirage (S3 86c801) ISA", DEVICE_AT | DEVICE_ISA, S3_V7MIRAGE_86C801, s3_init, s3_close, NULL, s3_v7mirage_86c801_available, s3_speed_changed, s3_force_redraw, s3_9fx_config }; const device_t s3_phoenix_86c805_vlb_device = { "Phoenix S3 86c805 VLB", DEVICE_VLB, S3_PHOENIX_86C805, s3_init, s3_close, NULL, s3_phoenix_86c805_available, s3_speed_changed, s3_force_redraw, s3_9fx_config }; const device_t s3_metheus_86c928_isa_device = { "Metheus Premier 928 (S3 86c928) ISA", DEVICE_AT | DEVICE_ISA, S3_METHEUS_86C928, s3_init, s3_close, NULL, s3_metheus_86c928_available, s3_speed_changed, s3_force_redraw, s3_config }; const device_t s3_metheus_86c928_vlb_device = { "Metheus Premier 928 (S3 86c928) VLB", DEVICE_VLB, S3_METHEUS_86C928, s3_init, s3_close, NULL, s3_metheus_86c928_available, s3_speed_changed, s3_force_redraw, s3_config }; const device_t s3_bahamas64_vlb_device = { "Paradise Bahamas 64 (S3 Vision864) VLB", DEVICE_VLB, S3_PARADISE_BAHAMAS64, s3_init, s3_close, NULL, s3_bahamas64_available, s3_speed_changed, s3_force_redraw, s3_9fx_config }; const device_t s3_bahamas64_pci_device = { "Paradise Bahamas 64 (S3 Vision864) PCI", DEVICE_PCI, S3_PARADISE_BAHAMAS64, s3_init, s3_close, NULL, s3_bahamas64_available, s3_speed_changed, s3_force_redraw, s3_9fx_config }; const device_t s3_diamond_stealth64_964_vlb_device = { "S3 Vision964 (Diamond Stealth64 VRAM) VLB", DEVICE_VLB, S3_DIAMOND_STEALTH64_964, s3_init, s3_close, NULL, s3_diamond_stealth64_964_available, s3_speed_changed, s3_force_redraw, s3_config }; const device_t s3_diamond_stealth64_964_pci_device = { "S3 Vision964 (Diamond Stealth64 VRAM) PCI", DEVICE_PCI, S3_DIAMOND_STEALTH64_964, s3_init, s3_close, NULL, s3_diamond_stealth64_964_available, s3_speed_changed, s3_force_redraw, s3_config }; const device_t s3_9fx_vlb_device = { "Number 9 9FX (S3 Trio64) VLB", DEVICE_VLB, S3_NUMBER9_9FX, s3_init, s3_close, NULL, s3_9fx_available, s3_speed_changed, s3_force_redraw, s3_9fx_config }; const device_t s3_9fx_pci_device = { "Number 9 9FX (S3 Trio64) PCI", DEVICE_PCI, S3_NUMBER9_9FX, s3_init, s3_close, NULL, s3_9fx_available, s3_speed_changed, s3_force_redraw, s3_9fx_config }; const device_t s3_phoenix_trio32_vlb_device = { "Phoenix S3 Trio32 VLB", DEVICE_VLB, S3_PHOENIX_TRIO32, s3_init, s3_close, NULL, s3_phoenix_trio32_available, s3_speed_changed, s3_force_redraw, s3_phoenix_trio32_config }; const device_t s3_phoenix_trio32_pci_device = { "Phoenix S3 Trio32 PCI", DEVICE_PCI, S3_PHOENIX_TRIO32, s3_init, s3_close, NULL, s3_phoenix_trio32_available, s3_speed_changed, s3_force_redraw, s3_phoenix_trio32_config }; const device_t s3_phoenix_trio64_vlb_device = { "Phoenix S3 Trio64 VLB", DEVICE_VLB, S3_PHOENIX_TRIO64, s3_init, s3_close, NULL, s3_phoenix_trio64_available, s3_speed_changed, s3_force_redraw, s3_config }; const device_t s3_phoenix_trio64_onboard_pci_device = { "Phoenix S3 Trio64 On-Board PCI", DEVICE_PCI, S3_PHOENIX_TRIO64_ONBOARD, s3_init, s3_close, NULL, NULL, s3_speed_changed, s3_force_redraw, s3_phoenix_trio64_onboard_config }; const device_t s3_phoenix_trio64_pci_device = { "Phoenix S3 Trio64 PCI", DEVICE_PCI, S3_PHOENIX_TRIO64, s3_init, s3_close, NULL, s3_phoenix_trio64_available, s3_speed_changed, s3_force_redraw, s3_config }; const device_t s3_phoenix_vision864_vlb_device = { "Phoenix S3 Vision864 VLB", DEVICE_VLB, S3_PHOENIX_VISION864, s3_init, s3_close, NULL, s3_phoenix_vision864_available, s3_speed_changed, s3_force_redraw, s3_config }; const device_t s3_phoenix_vision864_pci_device = { "Phoenix S3 Vision864 PCI", DEVICE_PCI, S3_PHOENIX_VISION864, s3_init, s3_close, NULL, s3_phoenix_vision864_available, s3_speed_changed, s3_force_redraw, s3_config }; const device_t s3_diamond_stealth64_vlb_device = { "S3 Trio64 (Diamond Stealth64 DRAM) VLB", DEVICE_VLB, S3_DIAMOND_STEALTH64_764, s3_init, s3_close, NULL, s3_diamond_stealth64_764_available, s3_speed_changed, s3_force_redraw, s3_config }; const device_t s3_diamond_stealth64_pci_device = { "S3 Trio64 (Diamond Stealth64 DRAM) PCI", DEVICE_PCI, S3_DIAMOND_STEALTH64_764, s3_init, s3_close, NULL, s3_diamond_stealth64_764_available, s3_speed_changed, s3_force_redraw, s3_config };