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authorPaolo Bonzini <pbonzini@redhat.com>2013-02-05 12:59:04 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-04-08 18:13:13 +0200
commitfc97bb5ba3e7239c0b6d24095df6784868dfebbf (patch)
tree6367fc217473184292a7eeee38c1b8e6a0db1573 /hw/display/tcx.c
parent34b8f63ea1aa0941f11c6c032f8e1716269a0449 (diff)
downloadfocaccia-qemu-fc97bb5ba3e7239c0b6d24095df6784868dfebbf.tar.gz
focaccia-qemu-fc97bb5ba3e7239c0b6d24095df6784868dfebbf.zip
hw: move display devices to hw/display/, configure via default-configs/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/display/tcx.c')
-rw-r--r--hw/display/tcx.c739
1 files changed, 739 insertions, 0 deletions
diff --git a/hw/display/tcx.c b/hw/display/tcx.c
new file mode 100644
index 0000000000..c44068e7c9
--- /dev/null
+++ b/hw/display/tcx.c
@@ -0,0 +1,739 @@
+/*
+ * QEMU TCX Frame buffer
+ *
+ * Copyright (c) 2003-2005 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu-common.h"
+#include "ui/console.h"
+#include "ui/pixel_ops.h"
+#include "hw/sysbus.h"
+#include "hw/qdev-addr.h"
+
+#define MAXX 1024
+#define MAXY 768
+#define TCX_DAC_NREGS 16
+#define TCX_THC_NREGS_8  0x081c
+#define TCX_THC_NREGS_24 0x1000
+#define TCX_TEC_NREGS    0x1000
+
+typedef struct TCXState {
+    SysBusDevice busdev;
+    QemuConsole *con;
+    uint8_t *vram;
+    uint32_t *vram24, *cplane;
+    MemoryRegion vram_mem;
+    MemoryRegion vram_8bit;
+    MemoryRegion vram_24bit;
+    MemoryRegion vram_cplane;
+    MemoryRegion dac;
+    MemoryRegion tec;
+    MemoryRegion thc24;
+    MemoryRegion thc8;
+    ram_addr_t vram24_offset, cplane_offset;
+    uint32_t vram_size;
+    uint32_t palette[256];
+    uint8_t r[256], g[256], b[256];
+    uint16_t width, height, depth;
+    uint8_t dac_index, dac_state;
+} TCXState;
+
+static void tcx_screen_dump(void *opaque, const char *filename, bool cswitch,
+                            Error **errp);
+static void tcx24_screen_dump(void *opaque, const char *filename, bool cswitch,
+                            Error **errp);
+
+static void tcx_set_dirty(TCXState *s)
+{
+    memory_region_set_dirty(&s->vram_mem, 0, MAXX * MAXY);
+}
+
+static void tcx24_set_dirty(TCXState *s)
+{
+    memory_region_set_dirty(&s->vram_mem, s->vram24_offset, MAXX * MAXY * 4);
+    memory_region_set_dirty(&s->vram_mem, s->cplane_offset, MAXX * MAXY * 4);
+}
+
+static void update_palette_entries(TCXState *s, int start, int end)
+{
+    DisplaySurface *surface = qemu_console_surface(s->con);
+    int i;
+
+    for (i = start; i < end; i++) {
+        switch (surface_bits_per_pixel(surface)) {
+        default:
+        case 8:
+            s->palette[i] = rgb_to_pixel8(s->r[i], s->g[i], s->b[i]);
+            break;
+        case 15:
+            s->palette[i] = rgb_to_pixel15(s->r[i], s->g[i], s->b[i]);
+            break;
+        case 16:
+            s->palette[i] = rgb_to_pixel16(s->r[i], s->g[i], s->b[i]);
+            break;
+        case 32:
+            if (is_surface_bgr(surface)) {
+                s->palette[i] = rgb_to_pixel32bgr(s->r[i], s->g[i], s->b[i]);
+            } else {
+                s->palette[i] = rgb_to_pixel32(s->r[i], s->g[i], s->b[i]);
+            }
+            break;
+        }
+    }
+    if (s->depth == 24) {
+        tcx24_set_dirty(s);
+    } else {
+        tcx_set_dirty(s);
+    }
+}
+
+static void tcx_draw_line32(TCXState *s1, uint8_t *d,
+                            const uint8_t *s, int width)
+{
+    int x;
+    uint8_t val;
+    uint32_t *p = (uint32_t *)d;
+
+    for(x = 0; x < width; x++) {
+        val = *s++;
+        *p++ = s1->palette[val];
+    }
+}
+
+static void tcx_draw_line16(TCXState *s1, uint8_t *d,
+                            const uint8_t *s, int width)
+{
+    int x;
+    uint8_t val;
+    uint16_t *p = (uint16_t *)d;
+
+    for(x = 0; x < width; x++) {
+        val = *s++;
+        *p++ = s1->palette[val];
+    }
+}
+
+static void tcx_draw_line8(TCXState *s1, uint8_t *d,
+                           const uint8_t *s, int width)
+{
+    int x;
+    uint8_t val;
+
+    for(x = 0; x < width; x++) {
+        val = *s++;
+        *d++ = s1->palette[val];
+    }
+}
+
+/*
+  XXX Could be much more optimal:
+  * detect if line/page/whole screen is in 24 bit mode
+  * if destination is also BGR, use memcpy
+  */
+static inline void tcx24_draw_line32(TCXState *s1, uint8_t *d,
+                                     const uint8_t *s, int width,
+                                     const uint32_t *cplane,
+                                     const uint32_t *s24)
+{
+    DisplaySurface *surface = qemu_console_surface(s1->con);
+    int x, bgr, r, g, b;
+    uint8_t val, *p8;
+    uint32_t *p = (uint32_t *)d;
+    uint32_t dval;
+
+    bgr = is_surface_bgr(surface);
+    for(x = 0; x < width; x++, s++, s24++) {
+        if ((be32_to_cpu(*cplane++) & 0xff000000) == 0x03000000) {
+            // 24-bit direct, BGR order
+            p8 = (uint8_t *)s24;
+            p8++;
+            b = *p8++;
+            g = *p8++;
+            r = *p8;
+            if (bgr)
+                dval = rgb_to_pixel32bgr(r, g, b);
+            else
+                dval = rgb_to_pixel32(r, g, b);
+        } else {
+            val = *s;
+            dval = s1->palette[val];
+        }
+        *p++ = dval;
+    }
+}
+
+static inline int check_dirty(TCXState *s, ram_addr_t page, ram_addr_t page24,
+                              ram_addr_t cpage)
+{
+    int ret;
+
+    ret = memory_region_get_dirty(&s->vram_mem, page, TARGET_PAGE_SIZE,
+                                  DIRTY_MEMORY_VGA);
+    ret |= memory_region_get_dirty(&s->vram_mem, page24, TARGET_PAGE_SIZE * 4,
+                                   DIRTY_MEMORY_VGA);
+    ret |= memory_region_get_dirty(&s->vram_mem, cpage, TARGET_PAGE_SIZE * 4,
+                                   DIRTY_MEMORY_VGA);
+    return ret;
+}
+
+static inline void reset_dirty(TCXState *ts, ram_addr_t page_min,
+                               ram_addr_t page_max, ram_addr_t page24,
+                              ram_addr_t cpage)
+{
+    memory_region_reset_dirty(&ts->vram_mem,
+                              page_min, page_max + TARGET_PAGE_SIZE,
+                              DIRTY_MEMORY_VGA);
+    memory_region_reset_dirty(&ts->vram_mem,
+                              page24 + page_min * 4,
+                              page24 + page_max * 4 + TARGET_PAGE_SIZE,
+                              DIRTY_MEMORY_VGA);
+    memory_region_reset_dirty(&ts->vram_mem,
+                              cpage + page_min * 4,
+                              cpage + page_max * 4 + TARGET_PAGE_SIZE,
+                              DIRTY_MEMORY_VGA);
+}
+
+/* Fixed line length 1024 allows us to do nice tricks not possible on
+   VGA... */
+static void tcx_update_display(void *opaque)
+{
+    TCXState *ts = opaque;
+    DisplaySurface *surface = qemu_console_surface(ts->con);
+    ram_addr_t page, page_min, page_max;
+    int y, y_start, dd, ds;
+    uint8_t *d, *s;
+    void (*f)(TCXState *s1, uint8_t *dst, const uint8_t *src, int width);
+
+    if (surface_bits_per_pixel(surface) == 0) {
+        return;
+    }
+
+    page = 0;
+    y_start = -1;
+    page_min = -1;
+    page_max = 0;
+    d = surface_data(surface);
+    s = ts->vram;
+    dd = surface_stride(surface);
+    ds = 1024;
+
+    switch (surface_bits_per_pixel(surface)) {
+    case 32:
+        f = tcx_draw_line32;
+        break;
+    case 15:
+    case 16:
+        f = tcx_draw_line16;
+        break;
+    default:
+    case 8:
+        f = tcx_draw_line8;
+        break;
+    case 0:
+        return;
+    }
+
+    for(y = 0; y < ts->height; y += 4, page += TARGET_PAGE_SIZE) {
+        if (memory_region_get_dirty(&ts->vram_mem, page, TARGET_PAGE_SIZE,
+                                    DIRTY_MEMORY_VGA)) {
+            if (y_start < 0)
+                y_start = y;
+            if (page < page_min)
+                page_min = page;
+            if (page > page_max)
+                page_max = page;
+            f(ts, d, s, ts->width);
+            d += dd;
+            s += ds;
+            f(ts, d, s, ts->width);
+            d += dd;
+            s += ds;
+            f(ts, d, s, ts->width);
+            d += dd;
+            s += ds;
+            f(ts, d, s, ts->width);
+            d += dd;
+            s += ds;
+        } else {
+            if (y_start >= 0) {
+                /* flush to display */
+                dpy_gfx_update(ts->con, 0, y_start,
+                               ts->width, y - y_start);
+                y_start = -1;
+            }
+            d += dd * 4;
+            s += ds * 4;
+        }
+    }
+    if (y_start >= 0) {
+        /* flush to display */
+        dpy_gfx_update(ts->con, 0, y_start,
+                       ts->width, y - y_start);
+    }
+    /* reset modified pages */
+    if (page_max >= page_min) {
+        memory_region_reset_dirty(&ts->vram_mem,
+                                  page_min, page_max + TARGET_PAGE_SIZE,
+                                  DIRTY_MEMORY_VGA);
+    }
+}
+
+static void tcx24_update_display(void *opaque)
+{
+    TCXState *ts = opaque;
+    DisplaySurface *surface = qemu_console_surface(ts->con);
+    ram_addr_t page, page_min, page_max, cpage, page24;
+    int y, y_start, dd, ds;
+    uint8_t *d, *s;
+    uint32_t *cptr, *s24;
+
+    if (surface_bits_per_pixel(surface) != 32) {
+            return;
+    }
+
+    page = 0;
+    page24 = ts->vram24_offset;
+    cpage = ts->cplane_offset;
+    y_start = -1;
+    page_min = -1;
+    page_max = 0;
+    d = surface_data(surface);
+    s = ts->vram;
+    s24 = ts->vram24;
+    cptr = ts->cplane;
+    dd = surface_stride(surface);
+    ds = 1024;
+
+    for(y = 0; y < ts->height; y += 4, page += TARGET_PAGE_SIZE,
+            page24 += TARGET_PAGE_SIZE, cpage += TARGET_PAGE_SIZE) {
+        if (check_dirty(ts, page, page24, cpage)) {
+            if (y_start < 0)
+                y_start = y;
+            if (page < page_min)
+                page_min = page;
+            if (page > page_max)
+                page_max = page;
+            tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
+            d += dd;
+            s += ds;
+            cptr += ds;
+            s24 += ds;
+            tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
+            d += dd;
+            s += ds;
+            cptr += ds;
+            s24 += ds;
+            tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
+            d += dd;
+            s += ds;
+            cptr += ds;
+            s24 += ds;
+            tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
+            d += dd;
+            s += ds;
+            cptr += ds;
+            s24 += ds;
+        } else {
+            if (y_start >= 0) {
+                /* flush to display */
+                dpy_gfx_update(ts->con, 0, y_start,
+                               ts->width, y - y_start);
+                y_start = -1;
+            }
+            d += dd * 4;
+            s += ds * 4;
+            cptr += ds * 4;
+            s24 += ds * 4;
+        }
+    }
+    if (y_start >= 0) {
+        /* flush to display */
+        dpy_gfx_update(ts->con, 0, y_start,
+                       ts->width, y - y_start);
+    }
+    /* reset modified pages */
+    if (page_max >= page_min) {
+        reset_dirty(ts, page_min, page_max, page24, cpage);
+    }
+}
+
+static void tcx_invalidate_display(void *opaque)
+{
+    TCXState *s = opaque;
+
+    tcx_set_dirty(s);
+    qemu_console_resize(s->con, s->width, s->height);
+}
+
+static void tcx24_invalidate_display(void *opaque)
+{
+    TCXState *s = opaque;
+
+    tcx_set_dirty(s);
+    tcx24_set_dirty(s);
+    qemu_console_resize(s->con, s->width, s->height);
+}
+
+static int vmstate_tcx_post_load(void *opaque, int version_id)
+{
+    TCXState *s = opaque;
+
+    update_palette_entries(s, 0, 256);
+    if (s->depth == 24) {
+        tcx24_set_dirty(s);
+    } else {
+        tcx_set_dirty(s);
+    }
+
+    return 0;
+}
+
+static const VMStateDescription vmstate_tcx = {
+    .name ="tcx",
+    .version_id = 4,
+    .minimum_version_id = 4,
+    .minimum_version_id_old = 4,
+    .post_load = vmstate_tcx_post_load,
+    .fields      = (VMStateField []) {
+        VMSTATE_UINT16(height, TCXState),
+        VMSTATE_UINT16(width, TCXState),
+        VMSTATE_UINT16(depth, TCXState),
+        VMSTATE_BUFFER(r, TCXState),
+        VMSTATE_BUFFER(g, TCXState),
+        VMSTATE_BUFFER(b, TCXState),
+        VMSTATE_UINT8(dac_index, TCXState),
+        VMSTATE_UINT8(dac_state, TCXState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static void tcx_reset(DeviceState *d)
+{
+    TCXState *s = container_of(d, TCXState, busdev.qdev);
+
+    /* Initialize palette */
+    memset(s->r, 0, 256);
+    memset(s->g, 0, 256);
+    memset(s->b, 0, 256);
+    s->r[255] = s->g[255] = s->b[255] = 255;
+    update_palette_entries(s, 0, 256);
+    memset(s->vram, 0, MAXX*MAXY);
+    memory_region_reset_dirty(&s->vram_mem, 0, MAXX * MAXY * (1 + 4 + 4),
+                              DIRTY_MEMORY_VGA);
+    s->dac_index = 0;
+    s->dac_state = 0;
+}
+
+static uint64_t tcx_dac_readl(void *opaque, hwaddr addr,
+                              unsigned size)
+{
+    return 0;
+}
+
+static void tcx_dac_writel(void *opaque, hwaddr addr, uint64_t val,
+                           unsigned size)
+{
+    TCXState *s = opaque;
+
+    switch (addr) {
+    case 0:
+        s->dac_index = val >> 24;
+        s->dac_state = 0;
+        break;
+    case 4:
+        switch (s->dac_state) {
+        case 0:
+            s->r[s->dac_index] = val >> 24;
+            update_palette_entries(s, s->dac_index, s->dac_index + 1);
+            s->dac_state++;
+            break;
+        case 1:
+            s->g[s->dac_index] = val >> 24;
+            update_palette_entries(s, s->dac_index, s->dac_index + 1);
+            s->dac_state++;
+            break;
+        case 2:
+            s->b[s->dac_index] = val >> 24;
+            update_palette_entries(s, s->dac_index, s->dac_index + 1);
+            s->dac_index = (s->dac_index + 1) & 255; // Index autoincrement
+        default:
+            s->dac_state = 0;
+            break;
+        }
+        break;
+    default:
+        break;
+    }
+}
+
+static const MemoryRegionOps tcx_dac_ops = {
+    .read = tcx_dac_readl,
+    .write = tcx_dac_writel,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+    .valid = {
+        .min_access_size = 4,
+        .max_access_size = 4,
+    },
+};
+
+static uint64_t dummy_readl(void *opaque, hwaddr addr,
+                            unsigned size)
+{
+    return 0;
+}
+
+static void dummy_writel(void *opaque, hwaddr addr,
+                         uint64_t val, unsigned size)
+{
+}
+
+static const MemoryRegionOps dummy_ops = {
+    .read = dummy_readl,
+    .write = dummy_writel,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+    .valid = {
+        .min_access_size = 4,
+        .max_access_size = 4,
+    },
+};
+
+static int tcx_init1(SysBusDevice *dev)
+{
+    TCXState *s = FROM_SYSBUS(TCXState, dev);
+    ram_addr_t vram_offset = 0;
+    int size;
+    uint8_t *vram_base;
+
+    memory_region_init_ram(&s->vram_mem, "tcx.vram",
+                           s->vram_size * (1 + 4 + 4));
+    vmstate_register_ram_global(&s->vram_mem);
+    vram_base = memory_region_get_ram_ptr(&s->vram_mem);
+
+    /* 8-bit plane */
+    s->vram = vram_base;
+    size = s->vram_size;
+    memory_region_init_alias(&s->vram_8bit, "tcx.vram.8bit",
+                             &s->vram_mem, vram_offset, size);
+    sysbus_init_mmio(dev, &s->vram_8bit);
+    vram_offset += size;
+    vram_base += size;
+
+    /* DAC */
+    memory_region_init_io(&s->dac, &tcx_dac_ops, s, "tcx.dac", TCX_DAC_NREGS);
+    sysbus_init_mmio(dev, &s->dac);
+
+    /* TEC (dummy) */
+    memory_region_init_io(&s->tec, &dummy_ops, s, "tcx.tec", TCX_TEC_NREGS);
+    sysbus_init_mmio(dev, &s->tec);
+    /* THC: NetBSD writes here even with 8-bit display: dummy */
+    memory_region_init_io(&s->thc24, &dummy_ops, s, "tcx.thc24",
+                          TCX_THC_NREGS_24);
+    sysbus_init_mmio(dev, &s->thc24);
+
+    if (s->depth == 24) {
+        /* 24-bit plane */
+        size = s->vram_size * 4;
+        s->vram24 = (uint32_t *)vram_base;
+        s->vram24_offset = vram_offset;
+        memory_region_init_alias(&s->vram_24bit, "tcx.vram.24bit",
+                                 &s->vram_mem, vram_offset, size);
+        sysbus_init_mmio(dev, &s->vram_24bit);
+        vram_offset += size;
+        vram_base += size;
+
+        /* Control plane */
+        size = s->vram_size * 4;
+        s->cplane = (uint32_t *)vram_base;
+        s->cplane_offset = vram_offset;
+        memory_region_init_alias(&s->vram_cplane, "tcx.vram.cplane",
+                                 &s->vram_mem, vram_offset, size);
+        sysbus_init_mmio(dev, &s->vram_cplane);
+
+        s->con = graphic_console_init(tcx24_update_display,
+                                      tcx24_invalidate_display,
+                                      tcx24_screen_dump, NULL, s);
+    } else {
+        /* THC 8 bit (dummy) */
+        memory_region_init_io(&s->thc8, &dummy_ops, s, "tcx.thc8",
+                              TCX_THC_NREGS_8);
+        sysbus_init_mmio(dev, &s->thc8);
+
+        s->con = graphic_console_init(tcx_update_display,
+                                      tcx_invalidate_display,
+                                      tcx_screen_dump, NULL, s);
+    }
+
+    qemu_console_resize(s->con, s->width, s->height);
+    return 0;
+}
+
+static void tcx_screen_dump(void *opaque, const char *filename, bool cswitch,
+                            Error **errp)
+{
+    TCXState *s = opaque;
+    FILE *f;
+    uint8_t *d, *d1, v;
+    int ret, y, x;
+
+    f = fopen(filename, "wb");
+    if (!f) {
+        error_setg(errp, "failed to open file '%s': %s", filename,
+                   strerror(errno));
+        return;
+    }
+    ret = fprintf(f, "P6\n%d %d\n%d\n", s->width, s->height, 255);
+    if (ret < 0) {
+        goto write_err;
+    }
+    d1 = s->vram;
+    for(y = 0; y < s->height; y++) {
+        d = d1;
+        for(x = 0; x < s->width; x++) {
+            v = *d;
+            ret = fputc(s->r[v], f);
+            if (ret == EOF) {
+                goto write_err;
+            }
+            ret = fputc(s->g[v], f);
+            if (ret == EOF) {
+                goto write_err;
+            }
+            ret = fputc(s->b[v], f);
+            if (ret == EOF) {
+                goto write_err;
+            }
+            d++;
+        }
+        d1 += MAXX;
+    }
+
+out:
+    fclose(f);
+    return;
+
+write_err:
+    error_setg(errp, "failed to write to file '%s': %s", filename,
+               strerror(errno));
+    unlink(filename);
+    goto out;
+}
+
+static void tcx24_screen_dump(void *opaque, const char *filename, bool cswitch,
+                              Error **errp)
+{
+    TCXState *s = opaque;
+    FILE *f;
+    uint8_t *d, *d1, v;
+    uint32_t *s24, *cptr, dval;
+    int ret, y, x;
+
+    f = fopen(filename, "wb");
+    if (!f) {
+        error_setg(errp, "failed to open file '%s': %s", filename,
+                   strerror(errno));
+        return;
+    }
+    ret = fprintf(f, "P6\n%d %d\n%d\n", s->width, s->height, 255);
+    if (ret < 0) {
+        goto write_err;
+    }
+    d1 = s->vram;
+    s24 = s->vram24;
+    cptr = s->cplane;
+    for(y = 0; y < s->height; y++) {
+        d = d1;
+        for(x = 0; x < s->width; x++, d++, s24++) {
+            if ((*cptr++ & 0xff000000) == 0x03000000) { // 24-bit direct
+                dval = *s24 & 0x00ffffff;
+                ret = fputc((dval >> 16) & 0xff, f);
+                if (ret == EOF) {
+                    goto write_err;
+                }
+                ret = fputc((dval >> 8) & 0xff, f);
+                if (ret == EOF) {
+                    goto write_err;
+                }
+                ret = fputc(dval & 0xff, f);
+                if (ret == EOF) {
+                    goto write_err;
+                }
+            } else {
+                v = *d;
+                ret = fputc(s->r[v], f);
+                if (ret == EOF) {
+                    goto write_err;
+                }
+                ret = fputc(s->g[v], f);
+                if (ret == EOF) {
+                    goto write_err;
+                }
+                ret = fputc(s->b[v], f);
+                if (ret == EOF) {
+                    goto write_err;
+                }
+            }
+        }
+        d1 += MAXX;
+    }
+
+out:
+    fclose(f);
+    return;
+
+write_err:
+    error_setg(errp, "failed to write to file '%s': %s", filename,
+               strerror(errno));
+    unlink(filename);
+    goto out;
+}
+
+static Property tcx_properties[] = {
+    DEFINE_PROP_HEX32("vram_size", TCXState, vram_size, -1),
+    DEFINE_PROP_UINT16("width",    TCXState, width,     -1),
+    DEFINE_PROP_UINT16("height",   TCXState, height,    -1),
+    DEFINE_PROP_UINT16("depth",    TCXState, depth,     -1),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void tcx_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+    k->init = tcx_init1;
+    dc->reset = tcx_reset;
+    dc->vmsd = &vmstate_tcx;
+    dc->props = tcx_properties;
+}
+
+static const TypeInfo tcx_info = {
+    .name          = "SUNW,tcx",
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(TCXState),
+    .class_init    = tcx_class_init,
+};
+
+static void tcx_register_types(void)
+{
+    type_register_static(&tcx_info);
+}
+
+type_init(tcx_register_types)