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-rw-r--r--hw/display/ati.c865
1 files changed, 865 insertions, 0 deletions
diff --git a/hw/display/ati.c b/hw/display/ati.c
new file mode 100644
index 0000000000..8322f52aff
--- /dev/null
+++ b/hw/display/ati.c
@@ -0,0 +1,865 @@
+/*
+ * QEMU ATI SVGA emulation
+ *
+ * Copyright (c) 2019 BALATON Zoltan
+ *
+ * This work is licensed under the GNU GPL license version 2 or later.
+ */
+
+/*
+ * WARNING:
+ * This is very incomplete and only enough for Linux console and some
+ * unaccelerated X output at the moment.
+ * Currently it's little more than a frame buffer with minimal functions,
+ * other more advanced features of the hardware are yet to be implemented.
+ * We only aim for Rage 128 Pro (and some RV100) and 2D only at first,
+ * No 3D at all yet (maybe after 2D works, but feel free to improve it)
+ */
+
+#include "ati_int.h"
+#include "ati_regs.h"
+#include "vga_regs.h"
+#include "qemu/log.h"
+#include "qemu/error-report.h"
+#include "qapi/error.h"
+#include "hw/hw.h"
+#include "ui/console.h"
+#include "trace.h"
+
+#define ATI_DEBUG_HW_CURSOR 0
+
+static const struct {
+ const char *name;
+ uint16_t dev_id;
+} ati_model_aliases[] = {
+ { "rage128p", PCI_DEVICE_ID_ATI_RAGE128_PF },
+ { "rv100", PCI_DEVICE_ID_ATI_RADEON_QY },
+};
+
+enum { VGA_MODE, EXT_MODE };
+
+static void ati_vga_switch_mode(ATIVGAState *s)
+{
+ DPRINTF("%d -> %d\n",
+ s->mode, !!(s->regs.crtc_gen_cntl & CRTC2_EXT_DISP_EN));
+ if (s->regs.crtc_gen_cntl & CRTC2_EXT_DISP_EN) {
+ /* Extended mode enabled */
+ s->mode = EXT_MODE;
+ if (s->regs.crtc_gen_cntl & CRTC2_EN) {
+ /* CRT controller enabled, use CRTC values */
+ uint32_t offs = s->regs.crtc_offset & 0x07ffffff;
+ int stride = (s->regs.crtc_pitch & 0x7ff) * 8;
+ int bpp = 0;
+ int h, v;
+
+ if (s->regs.crtc_h_total_disp == 0) {
+ s->regs.crtc_h_total_disp = ((640 / 8) - 1) << 16;
+ }
+ if (s->regs.crtc_v_total_disp == 0) {
+ s->regs.crtc_v_total_disp = (480 - 1) << 16;
+ }
+ h = ((s->regs.crtc_h_total_disp >> 16) + 1) * 8;
+ v = (s->regs.crtc_v_total_disp >> 16) + 1;
+ switch (s->regs.crtc_gen_cntl & CRTC_PIX_WIDTH_MASK) {
+ case CRTC_PIX_WIDTH_4BPP:
+ bpp = 4;
+ break;
+ case CRTC_PIX_WIDTH_8BPP:
+ bpp = 8;
+ break;
+ case CRTC_PIX_WIDTH_15BPP:
+ bpp = 15;
+ break;
+ case CRTC_PIX_WIDTH_16BPP:
+ bpp = 16;
+ break;
+ case CRTC_PIX_WIDTH_24BPP:
+ bpp = 24;
+ break;
+ case CRTC_PIX_WIDTH_32BPP:
+ bpp = 32;
+ break;
+ default:
+ qemu_log_mask(LOG_UNIMP, "Unsupported bpp value\n");
+ }
+ assert(bpp != 0);
+ DPRINTF("Switching to %dx%d %d %d @ %x\n", h, v, stride, bpp, offs);
+ vbe_ioport_write_index(&s->vga, 0, VBE_DISPI_INDEX_ENABLE);
+ vbe_ioport_write_data(&s->vga, 0, VBE_DISPI_DISABLED);
+ /* reset VBE regs then set up mode */
+ s->vga.vbe_regs[VBE_DISPI_INDEX_XRES] = h;
+ s->vga.vbe_regs[VBE_DISPI_INDEX_YRES] = v;
+ s->vga.vbe_regs[VBE_DISPI_INDEX_BPP] = bpp;
+ /* enable mode via ioport so it updates vga regs */
+ vbe_ioport_write_index(&s->vga, 0, VBE_DISPI_INDEX_ENABLE);
+ vbe_ioport_write_data(&s->vga, 0, VBE_DISPI_ENABLED |
+ VBE_DISPI_LFB_ENABLED | VBE_DISPI_NOCLEARMEM |
+ (s->regs.dac_cntl & DAC_8BIT_EN ? VBE_DISPI_8BIT_DAC : 0));
+ /* now set offset and stride after enable as that resets these */
+ if (stride) {
+ vbe_ioport_write_index(&s->vga, 0, VBE_DISPI_INDEX_VIRT_WIDTH);
+ vbe_ioport_write_data(&s->vga, 0, stride);
+ if (offs % stride == 0) {
+ vbe_ioport_write_index(&s->vga, 0, VBE_DISPI_INDEX_Y_OFFSET);
+ vbe_ioport_write_data(&s->vga, 0, offs / stride);
+ } else {
+ /* FIXME what to do with this? */
+ error_report("VGA offset is not multiple of pitch, "
+ "expect bad picture");
+ }
+ }
+ }
+ } else {
+ /* VGA mode enabled */
+ s->mode = VGA_MODE;
+ vbe_ioport_write_index(&s->vga, 0, VBE_DISPI_INDEX_ENABLE);
+ vbe_ioport_write_data(&s->vga, 0, VBE_DISPI_DISABLED);
+ }
+}
+
+/* Used by host side hardware cursor */
+static void ati_cursor_define(ATIVGAState *s)
+{
+ uint8_t data[1024];
+ uint8_t *src;
+ int i, j, idx = 0;
+
+ if ((s->regs.cur_offset & BIT(31)) || s->cursor_guest_mode) {
+ return; /* Do not update cursor if locked or rendered by guest */
+ }
+ /* FIXME handle cur_hv_offs correctly */
+ src = s->vga.vram_ptr + (s->regs.crtc_offset & 0x07ffffff) +
+ s->regs.cur_offset - (s->regs.cur_hv_offs >> 16) -
+ (s->regs.cur_hv_offs & 0xffff) * 16;
+ for (i = 0; i < 64; i++) {
+ for (j = 0; j < 8; j++, idx++) {
+ data[idx] = src[i * 16 + j];
+ data[512 + idx] = src[i * 16 + j + 8];
+ }
+ }
+ if (!s->cursor) {
+ s->cursor = cursor_alloc(64, 64);
+ }
+ cursor_set_mono(s->cursor, s->regs.cur_color1, s->regs.cur_color0,
+ &data[512], 1, &data[0]);
+ dpy_cursor_define(s->vga.con, s->cursor);
+}
+
+/* Alternatively support guest rendered hardware cursor */
+static void ati_cursor_invalidate(VGACommonState *vga)
+{
+ ATIVGAState *s = container_of(vga, ATIVGAState, vga);
+ int size = (s->regs.crtc_gen_cntl & CRTC2_CUR_EN) ? 64 : 0;
+
+ if (s->regs.cur_offset & BIT(31)) {
+ return; /* Do not update cursor if locked */
+ }
+ if (s->cursor_size != size ||
+ vga->hw_cursor_x != s->regs.cur_hv_pos >> 16 ||
+ vga->hw_cursor_y != (s->regs.cur_hv_pos & 0xffff) ||
+ s->cursor_offset != s->regs.cur_offset - (s->regs.cur_hv_offs >> 16) -
+ (s->regs.cur_hv_offs & 0xffff) * 16) {
+ /* Remove old cursor then update and show new one if needed */
+ vga_invalidate_scanlines(vga, vga->hw_cursor_y, vga->hw_cursor_y + 63);
+ vga->hw_cursor_x = s->regs.cur_hv_pos >> 16;
+ vga->hw_cursor_y = s->regs.cur_hv_pos & 0xffff;
+ s->cursor_offset = s->regs.cur_offset - (s->regs.cur_hv_offs >> 16) -
+ (s->regs.cur_hv_offs & 0xffff) * 16;
+ s->cursor_size = size;
+ if (size) {
+ vga_invalidate_scanlines(vga,
+ vga->hw_cursor_y, vga->hw_cursor_y + 63);
+ }
+ }
+}
+
+static void ati_cursor_draw_line(VGACommonState *vga, uint8_t *d, int scr_y)
+{
+ ATIVGAState *s = container_of(vga, ATIVGAState, vga);
+ uint8_t *src;
+ uint32_t *dp = (uint32_t *)d;
+ int i, j, h;
+
+ if (!(s->regs.crtc_gen_cntl & CRTC2_CUR_EN) ||
+ scr_y < vga->hw_cursor_y || scr_y >= vga->hw_cursor_y + 64 ||
+ scr_y > s->regs.crtc_v_total_disp >> 16) {
+ return;
+ }
+ /* FIXME handle cur_hv_offs correctly */
+ src = s->vga.vram_ptr + (s->regs.crtc_offset & 0x07ffffff) +
+ s->cursor_offset + (scr_y - vga->hw_cursor_y) * 16;
+ dp = &dp[vga->hw_cursor_x];
+ h = ((s->regs.crtc_h_total_disp >> 16) + 1) * 8;
+ for (i = 0; i < 8; i++) {
+ uint32_t color;
+ uint8_t abits = src[i];
+ uint8_t xbits = src[i + 8];
+ for (j = 0; j < 8; j++, abits <<= 1, xbits <<= 1) {
+ if (abits & BIT(7)) {
+ if (xbits & BIT(7)) {
+ color = dp[i * 8 + j] ^ 0xffffffff; /* complement */
+ } else {
+ continue; /* transparent, no change */
+ }
+ } else {
+ color = (xbits & BIT(7) ? s->regs.cur_color1 :
+ s->regs.cur_color0) << 8 | 0xff;
+ }
+ if (vga->hw_cursor_x + i * 8 + j >= h) {
+ return; /* end of screen, don't span to next line */
+ }
+ dp[i * 8 + j] = color;
+ }
+ }
+}
+
+static inline uint64_t ati_reg_read_offs(uint32_t reg, int offs,
+ unsigned int size)
+{
+ if (offs == 0 && size == 4) {
+ return reg;
+ } else {
+ return extract32(reg, offs * BITS_PER_BYTE, size * BITS_PER_BYTE);
+ }
+}
+
+static uint64_t ati_mm_read(void *opaque, hwaddr addr, unsigned int size)
+{
+ ATIVGAState *s = opaque;
+ uint64_t val = 0;
+
+ switch (addr) {
+ case MM_INDEX:
+ val = s->regs.mm_index;
+ break;
+ case MM_DATA ... MM_DATA + 3:
+ /* indexed access to regs or memory */
+ if (s->regs.mm_index & BIT(31)) {
+ if (s->regs.mm_index <= s->vga.vram_size - size) {
+ int i = size - 1;
+ while (i >= 0) {
+ val <<= 8;
+ val |= s->vga.vram_ptr[s->regs.mm_index + i--];
+ }
+ }
+ } else {
+ val = ati_mm_read(s, s->regs.mm_index + addr - MM_DATA, size);
+ }
+ break;
+ case BIOS_0_SCRATCH ... BUS_CNTL - 1:
+ {
+ int i = (addr - BIOS_0_SCRATCH) / 4;
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF && i > 3) {
+ break;
+ }
+ val = ati_reg_read_offs(s->regs.bios_scratch[i],
+ addr - (BIOS_0_SCRATCH + i * 4), size);
+ break;
+ }
+ case CRTC_GEN_CNTL ... CRTC_GEN_CNTL + 3:
+ val = ati_reg_read_offs(s->regs.crtc_gen_cntl,
+ addr - CRTC_GEN_CNTL, size);
+ break;
+ case CRTC_EXT_CNTL ... CRTC_EXT_CNTL + 3:
+ val = ati_reg_read_offs(s->regs.crtc_ext_cntl,
+ addr - CRTC_EXT_CNTL, size);
+ break;
+ case DAC_CNTL:
+ val = s->regs.dac_cntl;
+ break;
+/* case GPIO_MONID: FIXME hook up DDC I2C here */
+ case PALETTE_INDEX:
+ /* FIXME unaligned access */
+ val = vga_ioport_read(&s->vga, VGA_PEL_IR) << 16;
+ val |= vga_ioport_read(&s->vga, VGA_PEL_IW) & 0xff;
+ break;
+ case PALETTE_DATA:
+ val = vga_ioport_read(&s->vga, VGA_PEL_D);
+ break;
+ case CNFG_MEMSIZE:
+ val = s->vga.vram_size;
+ break;
+ case MC_STATUS:
+ val = 5;
+ break;
+ case RBBM_STATUS:
+ case GUI_STAT:
+ val = 64; /* free CMDFIFO entries */
+ break;
+ case CRTC_H_TOTAL_DISP:
+ val = s->regs.crtc_h_total_disp;
+ break;
+ case CRTC_H_SYNC_STRT_WID:
+ val = s->regs.crtc_h_sync_strt_wid;
+ break;
+ case CRTC_V_TOTAL_DISP:
+ val = s->regs.crtc_v_total_disp;
+ break;
+ case CRTC_V_SYNC_STRT_WID:
+ val = s->regs.crtc_v_sync_strt_wid;
+ break;
+ case CRTC_OFFSET:
+ val = s->regs.crtc_offset;
+ break;
+ case CRTC_OFFSET_CNTL:
+ val = s->regs.crtc_offset_cntl;
+ break;
+ case CRTC_PITCH:
+ val = s->regs.crtc_pitch;
+ break;
+ case 0xf00 ... 0xfff:
+ val = pci_default_read_config(&s->dev, addr - 0xf00, size);
+ break;
+ case CUR_OFFSET:
+ val = s->regs.cur_offset;
+ break;
+ case CUR_HORZ_VERT_POSN:
+ val = s->regs.cur_hv_pos;
+ val |= s->regs.cur_offset & BIT(31);
+ break;
+ case CUR_HORZ_VERT_OFF:
+ val = s->regs.cur_hv_offs;
+ val |= s->regs.cur_offset & BIT(31);
+ break;
+ case CUR_CLR0:
+ val = s->regs.cur_color0;
+ break;
+ case CUR_CLR1:
+ val = s->regs.cur_color1;
+ break;
+ case DST_OFFSET:
+ val = s->regs.dst_offset;
+ break;
+ case DST_PITCH:
+ val = s->regs.dst_pitch;
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
+ val &= s->regs.dst_tile << 16;
+ }
+ break;
+ case DST_WIDTH:
+ val = s->regs.dst_width;
+ break;
+ case DST_HEIGHT:
+ val = s->regs.dst_height;
+ break;
+ case SRC_X:
+ val = s->regs.src_x;
+ break;
+ case SRC_Y:
+ val = s->regs.src_y;
+ break;
+ case DST_X:
+ val = s->regs.dst_x;
+ break;
+ case DST_Y:
+ val = s->regs.dst_y;
+ break;
+ case DP_GUI_MASTER_CNTL:
+ val = s->regs.dp_gui_master_cntl;
+ break;
+ case SRC_OFFSET:
+ val = s->regs.src_offset;
+ break;
+ case SRC_PITCH:
+ val = s->regs.src_pitch;
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
+ val &= s->regs.src_tile << 16;
+ }
+ break;
+ case DP_BRUSH_BKGD_CLR:
+ val = s->regs.dp_brush_bkgd_clr;
+ break;
+ case DP_BRUSH_FRGD_CLR:
+ val = s->regs.dp_brush_frgd_clr;
+ break;
+ case DP_SRC_FRGD_CLR:
+ val = s->regs.dp_src_frgd_clr;
+ break;
+ case DP_SRC_BKGD_CLR:
+ val = s->regs.dp_src_bkgd_clr;
+ break;
+ case DP_CNTL:
+ val = s->regs.dp_cntl;
+ break;
+ case DP_DATATYPE:
+ val = s->regs.dp_datatype;
+ break;
+ case DP_MIX:
+ val = s->regs.dp_mix;
+ break;
+ case DP_WRITE_MASK:
+ val = s->regs.dp_write_mask;
+ break;
+ case DEFAULT_OFFSET:
+ val = s->regs.default_offset;
+ break;
+ case DEFAULT_PITCH:
+ val = s->regs.default_pitch;
+ break;
+ case DEFAULT_SC_BOTTOM_RIGHT:
+ val = s->regs.default_sc_bottom_right;
+ break;
+ default:
+ break;
+ }
+ if (addr < CUR_OFFSET || addr > CUR_CLR1 || ATI_DEBUG_HW_CURSOR) {
+ trace_ati_mm_read(size, addr, ati_reg_name(addr & ~3ULL), val);
+ }
+ return val;
+}
+
+static inline void ati_reg_write_offs(uint32_t *reg, int offs,
+ uint64_t data, unsigned int size)
+{
+ if (offs == 0 && size == 4) {
+ *reg = data;
+ } else {
+ *reg = deposit32(*reg, offs * BITS_PER_BYTE, size * BITS_PER_BYTE,
+ data);
+ }
+}
+
+static void ati_mm_write(void *opaque, hwaddr addr,
+ uint64_t data, unsigned int size)
+{
+ ATIVGAState *s = opaque;
+
+ if (addr < CUR_OFFSET || addr > CUR_CLR1 || ATI_DEBUG_HW_CURSOR) {
+ trace_ati_mm_write(size, addr, ati_reg_name(addr & ~3ULL), data);
+ }
+ switch (addr) {
+ case MM_INDEX:
+ s->regs.mm_index = data;
+ break;
+ case MM_DATA ... MM_DATA + 3:
+ /* indexed access to regs or memory */
+ if (s->regs.mm_index & BIT(31)) {
+ if (s->regs.mm_index <= s->vga.vram_size - size) {
+ int i = 0;
+ while (i < size) {
+ s->vga.vram_ptr[s->regs.mm_index + i] = data & 0xff;
+ data >>= 8;
+ }
+ }
+ } else {
+ ati_mm_write(s, s->regs.mm_index + addr - MM_DATA, data, size);
+ }
+ break;
+ case BIOS_0_SCRATCH ... BUS_CNTL - 1:
+ {
+ int i = (addr - BIOS_0_SCRATCH) / 4;
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF && i > 3) {
+ break;
+ }
+ ati_reg_write_offs(&s->regs.bios_scratch[i],
+ addr - (BIOS_0_SCRATCH + i * 4), data, size);
+ break;
+ }
+ case CRTC_GEN_CNTL ... CRTC_GEN_CNTL + 3:
+ {
+ uint32_t val = s->regs.crtc_gen_cntl;
+ ati_reg_write_offs(&s->regs.crtc_gen_cntl,
+ addr - CRTC_GEN_CNTL, data, size);
+ if ((val & CRTC2_CUR_EN) != (s->regs.crtc_gen_cntl & CRTC2_CUR_EN)) {
+ if (s->cursor_guest_mode) {
+ s->vga.force_shadow = !!(s->regs.crtc_gen_cntl & CRTC2_CUR_EN);
+ } else {
+ if (s->regs.crtc_gen_cntl & CRTC2_CUR_EN) {
+ ati_cursor_define(s);
+ }
+ dpy_mouse_set(s->vga.con, s->regs.cur_hv_pos >> 16,
+ s->regs.cur_hv_pos & 0xffff,
+ (s->regs.crtc_gen_cntl & CRTC2_CUR_EN) != 0);
+ }
+ }
+ if ((val & (CRTC2_EXT_DISP_EN | CRTC2_EN)) !=
+ (s->regs.crtc_gen_cntl & (CRTC2_EXT_DISP_EN | CRTC2_EN))) {
+ ati_vga_switch_mode(s);
+ }
+ break;
+ }
+ case CRTC_EXT_CNTL ... CRTC_EXT_CNTL + 3:
+ {
+ uint32_t val = s->regs.crtc_ext_cntl;
+ ati_reg_write_offs(&s->regs.crtc_ext_cntl,
+ addr - CRTC_EXT_CNTL, data, size);
+ if (s->regs.crtc_ext_cntl & CRT_CRTC_DISPLAY_DIS) {
+ DPRINTF("Display disabled\n");
+ s->vga.ar_index &= ~BIT(5);
+ } else {
+ DPRINTF("Display enabled\n");
+ s->vga.ar_index |= BIT(5);
+ ati_vga_switch_mode(s);
+ }
+ if ((val & CRT_CRTC_DISPLAY_DIS) !=
+ (s->regs.crtc_ext_cntl & CRT_CRTC_DISPLAY_DIS)) {
+ ati_vga_switch_mode(s);
+ }
+ break;
+ }
+ case DAC_CNTL:
+ s->regs.dac_cntl = data & 0xffffe3ff;
+ s->vga.dac_8bit = !!(data & DAC_8BIT_EN);
+ break;
+/* case GPIO_MONID: FIXME hook up DDC I2C here */
+ case PALETTE_INDEX ... PALETTE_INDEX + 3:
+ if (size == 4) {
+ vga_ioport_write(&s->vga, VGA_PEL_IR, (data >> 16) & 0xff);
+ vga_ioport_write(&s->vga, VGA_PEL_IW, data & 0xff);
+ } else {
+ if (addr == PALETTE_INDEX) {
+ vga_ioport_write(&s->vga, VGA_PEL_IW, data & 0xff);
+ } else {
+ vga_ioport_write(&s->vga, VGA_PEL_IR, data & 0xff);
+ }
+ }
+ break;
+ case PALETTE_DATA ... PALETTE_DATA + 3:
+ data <<= addr - PALETTE_DATA;
+ data = bswap32(data) >> 8;
+ vga_ioport_write(&s->vga, VGA_PEL_D, data & 0xff);
+ data >>= 8;
+ vga_ioport_write(&s->vga, VGA_PEL_D, data & 0xff);
+ data >>= 8;
+ vga_ioport_write(&s->vga, VGA_PEL_D, data & 0xff);
+ break;
+ case CRTC_H_TOTAL_DISP:
+ s->regs.crtc_h_total_disp = data & 0x07ff07ff;
+ break;
+ case CRTC_H_SYNC_STRT_WID:
+ s->regs.crtc_h_sync_strt_wid = data & 0x17bf1fff;
+ break;
+ case CRTC_V_TOTAL_DISP:
+ s->regs.crtc_v_total_disp = data & 0x0fff0fff;
+ break;
+ case CRTC_V_SYNC_STRT_WID:
+ s->regs.crtc_v_sync_strt_wid = data & 0x9f0fff;
+ break;
+ case CRTC_OFFSET:
+ s->regs.crtc_offset = data & 0xc7ffffff;
+ break;
+ case CRTC_OFFSET_CNTL:
+ s->regs.crtc_offset_cntl = data; /* FIXME */
+ break;
+ case CRTC_PITCH:
+ s->regs.crtc_pitch = data & 0x07ff07ff;
+ break;
+ case 0xf00 ... 0xfff:
+ /* read-only copy of PCI config space so ignore writes */
+ break;
+ case CUR_OFFSET:
+ if (s->regs.cur_offset != (data & 0x87fffff0)) {
+ s->regs.cur_offset = data & 0x87fffff0;
+ ati_cursor_define(s);
+ }
+ break;
+ case CUR_HORZ_VERT_POSN:
+ s->regs.cur_hv_pos = data & 0x3fff0fff;
+ if (data & BIT(31)) {
+ s->regs.cur_offset |= data & BIT(31);
+ } else if (s->regs.cur_offset & BIT(31)) {
+ s->regs.cur_offset &= ~BIT(31);
+ ati_cursor_define(s);
+ }
+ if (!s->cursor_guest_mode &&
+ (s->regs.crtc_gen_cntl & CRTC2_CUR_EN) && !(data & BIT(31))) {
+ dpy_mouse_set(s->vga.con, s->regs.cur_hv_pos >> 16,
+ s->regs.cur_hv_pos & 0xffff, 1);
+ }
+ break;
+ case CUR_HORZ_VERT_OFF:
+ s->regs.cur_hv_offs = data & 0x3f003f;
+ if (data & BIT(31)) {
+ s->regs.cur_offset |= data & BIT(31);
+ } else if (s->regs.cur_offset & BIT(31)) {
+ s->regs.cur_offset &= ~BIT(31);
+ ati_cursor_define(s);
+ }
+ break;
+ case CUR_CLR0:
+ if (s->regs.cur_color0 != (data & 0xffffff)) {
+ s->regs.cur_color0 = data & 0xffffff;
+ ati_cursor_define(s);
+ }
+ break;
+ case CUR_CLR1:
+ /*
+ * Update cursor unconditionally here because some clients set up
+ * other registers before actually writing cursor data to memory at
+ * offset so we would miss cursor change unless always updating here
+ */
+ s->regs.cur_color1 = data & 0xffffff;
+ ati_cursor_define(s);
+ break;
+ case DST_OFFSET:
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
+ s->regs.dst_offset = data & 0xfffffff0;
+ } else {
+ s->regs.dst_offset = data & 0xfffffc00;
+ }
+ break;
+ case DST_PITCH:
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
+ s->regs.dst_pitch = data & 0x3fff;
+ s->regs.dst_tile = (data >> 16) & 1;
+ } else {
+ s->regs.dst_pitch = data & 0x3ff0;
+ }
+ break;
+ case DST_TILE:
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RADEON_QY) {
+ s->regs.dst_tile = data & 3;
+ }
+ break;
+ case DST_WIDTH:
+ s->regs.dst_width = data & 0x3fff;
+ ati_2d_blt(s);
+ break;
+ case DST_HEIGHT:
+ s->regs.dst_height = data & 0x3fff;
+ break;
+ case SRC_X:
+ s->regs.src_x = data & 0x3fff;
+ break;
+ case SRC_Y:
+ s->regs.src_y = data & 0x3fff;
+ break;
+ case DST_X:
+ s->regs.dst_x = data & 0x3fff;
+ break;
+ case DST_Y:
+ s->regs.dst_y = data & 0x3fff;
+ break;
+ case SRC_PITCH_OFFSET:
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
+ s->regs.src_offset = (data & 0x1fffff) << 5;
+ s->regs.src_pitch = (data >> 21) & 0x3ff;
+ s->regs.src_tile = data >> 31;
+ } else {
+ s->regs.src_offset = (data & 0x3fffff) << 11;
+ s->regs.src_pitch = (data & 0x3fc00000) >> 16;
+ s->regs.src_tile = (data >> 30) & 1;
+ }
+ break;
+ case DST_PITCH_OFFSET:
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
+ s->regs.dst_offset = (data & 0x1fffff) << 5;
+ s->regs.dst_pitch = (data >> 21) & 0x3ff;
+ s->regs.dst_tile = data >> 31;
+ } else {
+ s->regs.dst_offset = (data & 0x3fffff) << 11;
+ s->regs.dst_pitch = (data & 0x3fc00000) >> 16;
+ s->regs.dst_tile = data >> 30;
+ }
+ break;
+ case SRC_Y_X:
+ s->regs.src_x = data & 0x3fff;
+ s->regs.src_y = (data >> 16) & 0x3fff;
+ break;
+ case DST_Y_X:
+ s->regs.dst_x = data & 0x3fff;
+ s->regs.dst_y = (data >> 16) & 0x3fff;
+ break;
+ case DST_HEIGHT_WIDTH:
+ s->regs.dst_width = data & 0x3fff;
+ s->regs.dst_height = (data >> 16) & 0x3fff;
+ ati_2d_blt(s);
+ break;
+ case DP_GUI_MASTER_CNTL:
+ s->regs.dp_gui_master_cntl = data & 0xf800000f;
+ s->regs.dp_datatype = (data & 0x0f00) >> 8 | (data & 0x30f0) << 4 |
+ (data & 0x4000) << 16;
+ s->regs.dp_mix = (data & GMC_ROP3_MASK) | (data & 0x7000000) >> 16;
+ break;
+ case DST_WIDTH_X:
+ s->regs.dst_x = data & 0x3fff;
+ s->regs.dst_width = (data >> 16) & 0x3fff;
+ ati_2d_blt(s);
+ break;
+ case SRC_X_Y:
+ s->regs.src_y = data & 0x3fff;
+ s->regs.src_x = (data >> 16) & 0x3fff;
+ break;
+ case DST_X_Y:
+ s->regs.dst_y = data & 0x3fff;
+ s->regs.dst_x = (data >> 16) & 0x3fff;
+ break;
+ case DST_WIDTH_HEIGHT:
+ s->regs.dst_height = data & 0x3fff;
+ s->regs.dst_width = (data >> 16) & 0x3fff;
+ ati_2d_blt(s);
+ break;
+ case DST_HEIGHT_Y:
+ s->regs.dst_y = data & 0x3fff;
+ s->regs.dst_height = (data >> 16) & 0x3fff;
+ break;
+ case SRC_OFFSET:
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
+ s->regs.src_offset = data & 0xfffffff0;
+ } else {
+ s->regs.src_offset = data & 0xfffffc00;
+ }
+ break;
+ case SRC_PITCH:
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
+ s->regs.src_pitch = data & 0x3fff;
+ s->regs.src_tile = (data >> 16) & 1;
+ } else {
+ s->regs.src_pitch = data & 0x3ff0;
+ }
+ break;
+ case DP_BRUSH_BKGD_CLR:
+ s->regs.dp_brush_bkgd_clr = data;
+ break;
+ case DP_BRUSH_FRGD_CLR:
+ s->regs.dp_brush_frgd_clr = data;
+ break;
+ case DP_CNTL:
+ s->regs.dp_cntl = data;
+ break;
+ case DP_DATATYPE:
+ s->regs.dp_datatype = data & 0xe0070f0f;
+ break;
+ case DP_MIX:
+ s->regs.dp_mix = data & 0x00ff0700;
+ break;
+ case DP_WRITE_MASK:
+ s->regs.dp_write_mask = data;
+ break;
+ case DEFAULT_OFFSET:
+ data &= (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF ?
+ 0x03fffc00 : 0xfffffc00);
+ s->regs.default_offset = data;
+ break;
+ case DEFAULT_PITCH:
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
+ s->regs.default_pitch = data & 0x103ff;
+ }
+ break;
+ case DEFAULT_SC_BOTTOM_RIGHT:
+ s->regs.default_sc_bottom_right = data & 0x3fff3fff;
+ break;
+ default:
+ break;
+ }
+}
+
+static const MemoryRegionOps ati_mm_ops = {
+ .read = ati_mm_read,
+ .write = ati_mm_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
+static void ati_vga_realize(PCIDevice *dev, Error **errp)
+{
+ ATIVGAState *s = ATI_VGA(dev);
+ VGACommonState *vga = &s->vga;
+
+ if (s->model) {
+ int i;
+ for (i = 0; i < ARRAY_SIZE(ati_model_aliases); i++) {
+ if (!strcmp(s->model, ati_model_aliases[i].name)) {
+ s->dev_id = ati_model_aliases[i].dev_id;
+ break;
+ }
+ }
+ if (i >= ARRAY_SIZE(ati_model_aliases)) {
+ warn_report("Unknown ATI VGA model name, "
+ "using default rage128p");
+ }
+ }
+ if (s->dev_id != PCI_DEVICE_ID_ATI_RAGE128_PF &&
+ s->dev_id != PCI_DEVICE_ID_ATI_RADEON_QY) {
+ error_setg(errp, "Unknown ATI VGA device id, "
+ "only 0x5046 and 0x5159 are supported");
+ return;
+ }
+ pci_set_word(dev->config + PCI_DEVICE_ID, s->dev_id);
+
+ if (s->dev_id == PCI_DEVICE_ID_ATI_RADEON_QY &&
+ s->vga.vram_size_mb < 16) {
+ warn_report("Too small video memory for device id");
+ s->vga.vram_size_mb = 16;
+ }
+
+ /* init vga bits */
+ vga_common_init(vga, OBJECT(s));
+ vga_init(vga, OBJECT(s), pci_address_space(dev),
+ pci_address_space_io(dev), true);
+ vga->con = graphic_console_init(DEVICE(s), 0, s->vga.hw_ops, &s->vga);
+ if (s->cursor_guest_mode) {
+ vga->cursor_invalidate = ati_cursor_invalidate;
+ vga->cursor_draw_line = ati_cursor_draw_line;
+ }
+
+ /* mmio register space */
+ memory_region_init_io(&s->mm, OBJECT(s), &ati_mm_ops, s,
+ "ati.mmregs", 0x4000);
+ /* io space is alias to beginning of mmregs */
+ memory_region_init_alias(&s->io, OBJECT(s), "ati.io", &s->mm, 0, 0x100);
+
+ pci_register_bar(dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &vga->vram);
+ pci_register_bar(dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
+ pci_register_bar(dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mm);
+}
+
+static void ati_vga_reset(DeviceState *dev)
+{
+ ATIVGAState *s = ATI_VGA(dev);
+
+ /* reset vga */
+ vga_common_reset(&s->vga);
+ s->mode = VGA_MODE;
+}
+
+static void ati_vga_exit(PCIDevice *dev)
+{
+ ATIVGAState *s = ATI_VGA(dev);
+
+ graphic_console_close(s->vga.con);
+}
+
+static Property ati_vga_properties[] = {
+ DEFINE_PROP_UINT32("vgamem_mb", ATIVGAState, vga.vram_size_mb, 16),
+ DEFINE_PROP_STRING("model", ATIVGAState, model),
+ DEFINE_PROP_UINT16("x-device-id", ATIVGAState, dev_id,
+ PCI_DEVICE_ID_ATI_RAGE128_PF),
+ DEFINE_PROP_BOOL("guest_hwcursor", ATIVGAState, cursor_guest_mode, false),
+ DEFINE_PROP_END_OF_LIST()
+};
+
+static void ati_vga_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ dc->reset = ati_vga_reset;
+ dc->props = ati_vga_properties;
+ dc->hotpluggable = false;
+ set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
+
+ k->class_id = PCI_CLASS_DISPLAY_VGA;
+ k->vendor_id = PCI_VENDOR_ID_ATI;
+ k->device_id = PCI_DEVICE_ID_ATI_RAGE128_PF;
+ k->romfile = "vgabios-stdvga.bin";
+ k->realize = ati_vga_realize;
+ k->exit = ati_vga_exit;
+}
+
+static const TypeInfo ati_vga_info = {
+ .name = TYPE_ATI_VGA,
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(ATIVGAState),
+ .class_init = ati_vga_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+ { },
+ },
+};
+
+static void ati_vga_register_types(void)
+{
+ type_register_static(&ati_vga_info);
+}
+
+type_init(ati_vga_register_types)