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-rw-r--r--hw/syborg_fb.c554
1 files changed, 0 insertions, 554 deletions
diff --git a/hw/syborg_fb.c b/hw/syborg_fb.c
deleted file mode 100644
index b87d7e6d10..0000000000
--- a/hw/syborg_fb.c
+++ /dev/null
@@ -1,554 +0,0 @@
-/*
- * Syborg Framebuffer
- *
- * Copyright (c) 2009 CodeSourcery
- *
- * 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 "sysbus.h"
-#include "console.h"
-#include "syborg.h"
-#include "framebuffer.h"
-
-//#define DEBUG_SYBORG_FB
-
-#ifdef DEBUG_SYBORG_FB
-#define DPRINTF(fmt, ...) \
-do { printf("syborg_fb: " fmt , ## __VA_ARGS__); } while (0)
-#define BADF(fmt, ...) \
-do { fprintf(stderr, "syborg_fb: error: " fmt , ## __VA_ARGS__); \
- exit(1);} while (0)
-#else
-#define DPRINTF(fmt, ...) do {} while(0)
-#define BADF(fmt, ...) \
-do { fprintf(stderr, "syborg_fb: error: " fmt , ## __VA_ARGS__);} while (0)
-#endif
-
-enum {
- FB_ID = 0,
- FB_BASE = 1,
- FB_HEIGHT = 2,
- FB_WIDTH = 3,
- FB_ORIENTATION = 4,
- FB_BLANK = 5,
- FB_INT_MASK = 6,
- FB_INTERRUPT_CAUSE = 7,
- FB_BPP = 8,
- FB_COLOR_ORDER = 9,
- FB_BYTE_ORDER = 10,
- FB_PIXEL_ORDER = 11,
- FB_ROW_PITCH = 12,
- FB_ENABLED = 13,
- FB_PALETTE_START = 0x400 >> 2,
- FB_PALETTE_END = FB_PALETTE_START+256-1,
-};
-
-#define FB_INT_VSYNC (1U << 0)
-#define FB_INT_BASE_UPDATE_DONE (1U << 1)
-
-typedef struct {
- SysBusDevice busdev;
- MemoryRegion iomem;
- DisplayState *ds;
- /*QEMUConsole *console;*/
- uint32_t need_update : 1;
- uint32_t need_int : 1;
- uint32_t enabled : 1;
- uint32_t int_status;
- uint32_t int_enable;
- qemu_irq irq;
-
- uint32_t base;
- uint32_t pitch;
- uint32_t rows;
- uint32_t cols;
- int blank;
- int bpp;
- int rgb; /* 0 = BGR, 1 = RGB */
- int endian; /* 0 = Little, 1 = Big */
- uint32_t raw_palette[256];
- uint32_t palette[256];
-} SyborgFBState;
-
-enum {
- BPP_SRC_1,
- BPP_SRC_2,
- BPP_SRC_4,
- BPP_SRC_8,
- BPP_SRC_16,
- BPP_SRC_32,
- /* TODO: Implement these. */
- BPP_SRC_15 = -1,
- BPP_SRC_24 = -2
-};
-
-#include "pixel_ops.h"
-
-#define BITS 8
-#include "pl110_template.h"
-#define BITS 15
-#include "pl110_template.h"
-#define BITS 16
-#include "pl110_template.h"
-#define BITS 24
-#include "pl110_template.h"
-#define BITS 32
-#include "pl110_template.h"
-
-/* Update interrupts. */
-static void syborg_fb_update(SyborgFBState *s)
-{
- if ((s->int_status & s->int_enable) != 0) {
- DPRINTF("Raise IRQ\n");
- qemu_irq_raise(s->irq);
- } else {
- DPRINTF("Lower IRQ\n");
- qemu_irq_lower(s->irq);
- }
-}
-
-static int syborg_fb_enabled(const SyborgFBState *s)
-{
- return s->enabled;
-}
-
-static void syborg_fb_update_palette(SyborgFBState *s)
-{
- int n, i;
- uint32_t raw;
- unsigned int r, g, b;
-
- switch (s->bpp) {
- case BPP_SRC_1: n = 2; break;
- case BPP_SRC_2: n = 4; break;
- case BPP_SRC_4: n = 16; break;
- case BPP_SRC_8: n = 256; break;
- default: return;
- }
-
- for (i = 0; i < n; i++) {
- raw = s->raw_palette[i];
- r = (raw >> 16) & 0xff;
- g = (raw >> 8) & 0xff;
- b = raw & 0xff;
- switch (ds_get_bits_per_pixel(s->ds)) {
- case 8:
- s->palette[i] = rgb_to_pixel8(r, g, b);
- break;
- case 15:
- s->palette[i] = rgb_to_pixel15(r, g, b);
- break;
- case 16:
- s->palette[i] = rgb_to_pixel16(r, g, b);
- break;
- case 24:
- case 32:
- s->palette[i] = rgb_to_pixel32(r, g, b);
- break;
- default:
- abort();
- }
- }
-
-}
-
-static void syborg_fb_update_display(void *opaque)
-{
- SyborgFBState *s = (SyborgFBState *)opaque;
- drawfn* fntable;
- drawfn fn;
- int dest_width;
- int src_width;
- int bpp_offset;
- int first;
- int last;
-
- if (!syborg_fb_enabled(s))
- return;
-
- switch (ds_get_bits_per_pixel(s->ds)) {
- case 0:
- return;
- case 8:
- fntable = pl110_draw_fn_8;
- dest_width = 1;
- break;
- case 15:
- fntable = pl110_draw_fn_15;
- dest_width = 2;
- break;
- case 16:
- fntable = pl110_draw_fn_16;
- dest_width = 2;
- break;
- case 24:
- fntable = pl110_draw_fn_24;
- dest_width = 3;
- break;
- case 32:
- fntable = pl110_draw_fn_32;
- dest_width = 4;
- break;
- default:
- fprintf(stderr, "syborg_fb: Bad color depth\n");
- exit(1);
- }
-
- if (s->need_int) {
- s->int_status |= FB_INT_BASE_UPDATE_DONE;
- syborg_fb_update(s);
- s->need_int = 0;
- }
-
- if (s->rgb) {
- bpp_offset = 24;
- } else {
- bpp_offset = 0;
- }
- if (s->endian) {
- bpp_offset += 8;
- }
- /* Our bpp constants mostly match the PL110/PL111 but
- * not for the 16 bit case
- */
- switch (s->bpp) {
- case BPP_SRC_16:
- bpp_offset += 6;
- break;
- default:
- bpp_offset += s->bpp;
- }
- fn = fntable[bpp_offset];
-
- if (s->pitch) {
- src_width = s->pitch;
- } else {
- src_width = s->cols;
- switch (s->bpp) {
- case BPP_SRC_1:
- src_width >>= 3;
- break;
- case BPP_SRC_2:
- src_width >>= 2;
- break;
- case BPP_SRC_4:
- src_width >>= 1;
- break;
- case BPP_SRC_8:
- break;
- case BPP_SRC_15:
- case BPP_SRC_16:
- src_width <<= 1;
- break;
- case BPP_SRC_24:
- src_width *= 3;
- break;
- case BPP_SRC_32:
- src_width <<= 2;
- break;
- }
- }
- dest_width *= s->cols;
- first = 0;
- /* TODO: Implement blanking. */
- if (!s->blank) {
- if (s->need_update && s->bpp <= BPP_SRC_8) {
- syborg_fb_update_palette(s);
- }
- framebuffer_update_display(s->ds,
- s->base, s->cols, s->rows,
- src_width, dest_width, 0,
- s->need_update,
- fn, s->palette,
- &first, &last);
- if (first >= 0) {
- dpy_update(s->ds, 0, first, s->cols, last - first + 1);
- }
-
- s->int_status |= FB_INT_VSYNC;
- syborg_fb_update(s);
- }
-
- s->need_update = 0;
-}
-
-static void syborg_fb_invalidate_display(void * opaque)
-{
- SyborgFBState *s = (SyborgFBState *)opaque;
- s->need_update = 1;
-}
-
-static uint64_t syborg_fb_read(void *opaque, target_phys_addr_t offset,
- unsigned size)
-{
- SyborgFBState *s = opaque;
-
- DPRINTF("read reg %d\n", (int)offset);
- offset &= 0xfff;
- switch (offset >> 2) {
- case FB_ID:
- return SYBORG_ID_FRAMEBUFFER;
-
- case FB_BASE:
- return s->base;
-
- case FB_HEIGHT:
- return s->rows;
-
- case FB_WIDTH:
- return s->cols;
-
- case FB_ORIENTATION:
- return 0;
-
- case FB_BLANK:
- return s->blank;
-
- case FB_INT_MASK:
- return s->int_enable;
-
- case FB_INTERRUPT_CAUSE:
- return s->int_status;
-
- case FB_BPP:
- switch (s->bpp) {
- case BPP_SRC_1: return 1;
- case BPP_SRC_2: return 2;
- case BPP_SRC_4: return 4;
- case BPP_SRC_8: return 8;
- case BPP_SRC_15: return 15;
- case BPP_SRC_16: return 16;
- case BPP_SRC_24: return 24;
- case BPP_SRC_32: return 32;
- default: return 0;
- }
-
- case FB_COLOR_ORDER:
- return s->rgb;
-
- case FB_BYTE_ORDER:
- return s->endian;
-
- case FB_PIXEL_ORDER:
- return 0;
-
- case FB_ROW_PITCH:
- return s->pitch;
-
- case FB_ENABLED:
- return s->enabled;
-
- default:
- if ((offset >> 2) >= FB_PALETTE_START
- && (offset >> 2) <= FB_PALETTE_END) {
- return s->raw_palette[(offset >> 2) - FB_PALETTE_START];
- } else {
- cpu_abort (cpu_single_env, "syborg_fb_read: Bad offset %x\n",
- (int)offset);
- }
- return 0;
- }
-}
-
-static void syborg_fb_write(void *opaque, target_phys_addr_t offset,
- uint64_t val, unsigned size)
-{
- SyborgFBState *s = opaque;
-
- DPRINTF("write reg %d = %d\n", (int)offset, val);
- s->need_update = 1;
- offset &= 0xfff;
- switch (offset >> 2) {
- case FB_BASE:
- s->base = val;
- s->need_int = 1;
- s->need_update = 1;
- syborg_fb_update(s);
- break;
-
- case FB_HEIGHT:
- s->rows = val;
- break;
-
- case FB_WIDTH:
- s->cols = val;
- break;
-
- case FB_ORIENTATION:
- /* TODO: Implement rotation. */
- break;
-
- case FB_BLANK:
- s->blank = val & 1;
- break;
-
- case FB_INT_MASK:
- s->int_enable = val;
- syborg_fb_update(s);
- break;
-
- case FB_INTERRUPT_CAUSE:
- s->int_status &= ~val;
- syborg_fb_update(s);
- break;
-
- case FB_BPP:
- switch (val) {
- case 1: val = BPP_SRC_1; break;
- case 2: val = BPP_SRC_2; break;
- case 4: val = BPP_SRC_4; break;
- case 8: val = BPP_SRC_8; break;
- /* case 15: val = BPP_SRC_15; break; */
- case 16: val = BPP_SRC_16; break;
- /* case 24: val = BPP_SRC_24; break; */
- case 32: val = BPP_SRC_32; break;
- default: val = s->bpp; break;
- }
- s->bpp = val;
- break;
-
- case FB_COLOR_ORDER:
- s->rgb = (val != 0);
- break;
-
- case FB_BYTE_ORDER:
- s->endian = (val != 0);
- break;
-
- case FB_PIXEL_ORDER:
- /* TODO: Implement this. */
- break;
-
- case FB_ROW_PITCH:
- s->pitch = val;
- break;
-
- case FB_ENABLED:
- s->enabled = val;
- break;
-
- default:
- if ((offset >> 2) >= FB_PALETTE_START
- && (offset >> 2) <= FB_PALETTE_END) {
- s->raw_palette[(offset >> 2) - FB_PALETTE_START] = val;
- } else {
- cpu_abort (cpu_single_env, "syborg_fb_write: Bad offset %x\n",
- (int)offset);
- }
- break;
- }
-}
-
-static const MemoryRegionOps syborg_fb_ops = {
- .read = syborg_fb_read,
- .write = syborg_fb_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void syborg_fb_save(QEMUFile *f, void *opaque)
-{
- SyborgFBState *s = opaque;
- int i;
-
- qemu_put_be32(f, s->need_int);
- qemu_put_be32(f, s->int_status);
- qemu_put_be32(f, s->int_enable);
- qemu_put_be32(f, s->enabled);
- qemu_put_be32(f, s->base);
- qemu_put_be32(f, s->pitch);
- qemu_put_be32(f, s->rows);
- qemu_put_be32(f, s->cols);
- qemu_put_be32(f, s->bpp);
- qemu_put_be32(f, s->rgb);
- for (i = 0; i < 256; i++) {
- qemu_put_be32(f, s->raw_palette[i]);
- }
-}
-
-static int syborg_fb_load(QEMUFile *f, void *opaque, int version_id)
-{
- SyborgFBState *s = opaque;
- int i;
-
- if (version_id != 1)
- return -EINVAL;
-
- s->need_int = qemu_get_be32(f);
- s->int_status = qemu_get_be32(f);
- s->int_enable = qemu_get_be32(f);
- s->enabled = qemu_get_be32(f);
- s->base = qemu_get_be32(f);
- s->pitch = qemu_get_be32(f);
- s->rows = qemu_get_be32(f);
- s->cols = qemu_get_be32(f);
- s->bpp = qemu_get_be32(f);
- s->rgb = qemu_get_be32(f);
- for (i = 0; i < 256; i++) {
- s->raw_palette[i] = qemu_get_be32(f);
- }
- s->need_update = 1;
-
- return 0;
-}
-
-static int syborg_fb_init(SysBusDevice *dev)
-{
- SyborgFBState *s = FROM_SYSBUS(SyborgFBState, dev);
-
- sysbus_init_irq(dev, &s->irq);
- memory_region_init_io(&s->iomem, &syborg_fb_ops, s,
- "framebuffer", 0x1000);
- sysbus_init_mmio(dev, &s->iomem);
-
- s->ds = graphic_console_init(syborg_fb_update_display,
- syborg_fb_invalidate_display,
- NULL, NULL, s);
-
- if (s->cols != 0 && s->rows != 0) {
- qemu_console_resize(s->ds, s->cols, s->rows);
- }
-
- if (!s->cols)
- s->cols = ds_get_width(s->ds);
- if (!s->rows)
- s->rows = ds_get_height(s->ds);
-
- register_savevm(&dev->qdev, "syborg_framebuffer", -1, 1,
- syborg_fb_save, syborg_fb_load, s);
- return 0;
-}
-
-static SysBusDeviceInfo syborg_fb_info = {
- .init = syborg_fb_init,
- .qdev.name = "syborg,framebuffer",
- .qdev.size = sizeof(SyborgFBState),
- .qdev.props = (Property[]) {
- DEFINE_PROP_UINT32("width", SyborgFBState, cols, 0),
- DEFINE_PROP_UINT32("height", SyborgFBState, rows, 0),
- DEFINE_PROP_END_OF_LIST(),
- }
-};
-
-static void syborg_fb_register_devices(void)
-{
- sysbus_register_withprop(&syborg_fb_info);
-}
-
-device_init(syborg_fb_register_devices)
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