diff options
Diffstat (limited to 'qemu/hw/display/jazz_led.c')
| -rw-r--r-- | qemu/hw/display/jazz_led.c | 314 |
1 files changed, 0 insertions, 314 deletions
diff --git a/qemu/hw/display/jazz_led.c b/qemu/hw/display/jazz_led.c deleted file mode 100644 index 09dcdb46a..000000000 --- a/qemu/hw/display/jazz_led.c +++ /dev/null @@ -1,314 +0,0 @@ -/* - * QEMU JAZZ LED emulator. - * - * Copyright (c) 2007-2012 Herve Poussineau - * - * 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/osdep.h" -#include "qemu-common.h" -#include "ui/console.h" -#include "ui/pixel_ops.h" -#include "trace.h" -#include "hw/sysbus.h" - -typedef enum { - REDRAW_NONE = 0, REDRAW_SEGMENTS = 1, REDRAW_BACKGROUND = 2, -} screen_state_t; - -#define TYPE_JAZZ_LED "jazz-led" -#define JAZZ_LED(obj) OBJECT_CHECK(LedState, (obj), TYPE_JAZZ_LED) - -typedef struct LedState { - SysBusDevice parent_obj; - - MemoryRegion iomem; - uint8_t segments; - QemuConsole *con; - screen_state_t state; -} LedState; - -static uint64_t jazz_led_read(void *opaque, hwaddr addr, - unsigned int size) -{ - LedState *s = opaque; - uint8_t val; - - val = s->segments; - trace_jazz_led_read(addr, val); - - return val; -} - -static void jazz_led_write(void *opaque, hwaddr addr, - uint64_t val, unsigned int size) -{ - LedState *s = opaque; - uint8_t new_val = val & 0xff; - - trace_jazz_led_write(addr, new_val); - - s->segments = new_val; - s->state |= REDRAW_SEGMENTS; -} - -static const MemoryRegionOps led_ops = { - .read = jazz_led_read, - .write = jazz_led_write, - .endianness = DEVICE_NATIVE_ENDIAN, - .impl.min_access_size = 1, - .impl.max_access_size = 1, -}; - -/***********************************************************/ -/* jazz_led display */ - -static void draw_horizontal_line(DisplaySurface *ds, - int posy, int posx1, int posx2, - uint32_t color) -{ - uint8_t *d; - int x, bpp; - - bpp = (surface_bits_per_pixel(ds) + 7) >> 3; - d = surface_data(ds) + surface_stride(ds) * posy + bpp * posx1; - switch(bpp) { - case 1: - for (x = posx1; x <= posx2; x++) { - *((uint8_t *)d) = color; - d++; - } - break; - case 2: - for (x = posx1; x <= posx2; x++) { - *((uint16_t *)d) = color; - d += 2; - } - break; - case 4: - for (x = posx1; x <= posx2; x++) { - *((uint32_t *)d) = color; - d += 4; - } - break; - } -} - -static void draw_vertical_line(DisplaySurface *ds, - int posx, int posy1, int posy2, - uint32_t color) -{ - uint8_t *d; - int y, bpp; - - bpp = (surface_bits_per_pixel(ds) + 7) >> 3; - d = surface_data(ds) + surface_stride(ds) * posy1 + bpp * posx; - switch(bpp) { - case 1: - for (y = posy1; y <= posy2; y++) { - *((uint8_t *)d) = color; - d += surface_stride(ds); - } - break; - case 2: - for (y = posy1; y <= posy2; y++) { - *((uint16_t *)d) = color; - d += surface_stride(ds); - } - break; - case 4: - for (y = posy1; y <= posy2; y++) { - *((uint32_t *)d) = color; - d += surface_stride(ds); - } - break; - } -} - -static void jazz_led_update_display(void *opaque) -{ - LedState *s = opaque; - DisplaySurface *surface = qemu_console_surface(s->con); - uint8_t *d1; - uint32_t color_segment, color_led; - int y, bpp; - - if (s->state & REDRAW_BACKGROUND) { - /* clear screen */ - bpp = (surface_bits_per_pixel(surface) + 7) >> 3; - d1 = surface_data(surface); - for (y = 0; y < surface_height(surface); y++) { - memset(d1, 0x00, surface_width(surface) * bpp); - d1 += surface_stride(surface); - } - } - - if (s->state & REDRAW_SEGMENTS) { - /* set colors according to bpp */ - switch (surface_bits_per_pixel(surface)) { - case 8: - color_segment = rgb_to_pixel8(0xaa, 0xaa, 0xaa); - color_led = rgb_to_pixel8(0x00, 0xff, 0x00); - break; - case 15: - color_segment = rgb_to_pixel15(0xaa, 0xaa, 0xaa); - color_led = rgb_to_pixel15(0x00, 0xff, 0x00); - break; - case 16: - color_segment = rgb_to_pixel16(0xaa, 0xaa, 0xaa); - color_led = rgb_to_pixel16(0x00, 0xff, 0x00); - break; - case 24: - color_segment = rgb_to_pixel24(0xaa, 0xaa, 0xaa); - color_led = rgb_to_pixel24(0x00, 0xff, 0x00); - break; - case 32: - color_segment = rgb_to_pixel32(0xaa, 0xaa, 0xaa); - color_led = rgb_to_pixel32(0x00, 0xff, 0x00); - break; - default: - return; - } - - /* display segments */ - draw_horizontal_line(surface, 40, 10, 40, - (s->segments & 0x02) ? color_segment : 0); - draw_vertical_line(surface, 10, 10, 40, - (s->segments & 0x04) ? color_segment : 0); - draw_vertical_line(surface, 10, 40, 70, - (s->segments & 0x08) ? color_segment : 0); - draw_horizontal_line(surface, 70, 10, 40, - (s->segments & 0x10) ? color_segment : 0); - draw_vertical_line(surface, 40, 40, 70, - (s->segments & 0x20) ? color_segment : 0); - draw_vertical_line(surface, 40, 10, 40, - (s->segments & 0x40) ? color_segment : 0); - draw_horizontal_line(surface, 10, 10, 40, - (s->segments & 0x80) ? color_segment : 0); - - /* display led */ - if (!(s->segments & 0x01)) - color_led = 0; /* black */ - draw_horizontal_line(surface, 68, 50, 50, color_led); - draw_horizontal_line(surface, 69, 49, 51, color_led); - draw_horizontal_line(surface, 70, 48, 52, color_led); - draw_horizontal_line(surface, 71, 49, 51, color_led); - draw_horizontal_line(surface, 72, 50, 50, color_led); - } - - s->state = REDRAW_NONE; - dpy_gfx_update(s->con, 0, 0, - surface_width(surface), surface_height(surface)); -} - -static void jazz_led_invalidate_display(void *opaque) -{ - LedState *s = opaque; - s->state |= REDRAW_SEGMENTS | REDRAW_BACKGROUND; -} - -static void jazz_led_text_update(void *opaque, console_ch_t *chardata) -{ - LedState *s = opaque; - char buf[2]; - - dpy_text_cursor(s->con, -1, -1); - qemu_console_resize(s->con, 2, 1); - - /* TODO: draw the segments */ - snprintf(buf, 2, "%02hhx\n", s->segments); - console_write_ch(chardata++, ATTR2CHTYPE(buf[0], QEMU_COLOR_BLUE, - QEMU_COLOR_BLACK, 1)); - console_write_ch(chardata++, ATTR2CHTYPE(buf[1], QEMU_COLOR_BLUE, - QEMU_COLOR_BLACK, 1)); - - dpy_text_update(s->con, 0, 0, 2, 1); -} - -static int jazz_led_post_load(void *opaque, int version_id) -{ - /* force refresh */ - jazz_led_invalidate_display(opaque); - - return 0; -} - -static const VMStateDescription vmstate_jazz_led = { - .name = "jazz-led", - .version_id = 0, - .minimum_version_id = 0, - .post_load = jazz_led_post_load, - .fields = (VMStateField[]) { - VMSTATE_UINT8(segments, LedState), - VMSTATE_END_OF_LIST() - } -}; - -static const GraphicHwOps jazz_led_ops = { - .invalidate = jazz_led_invalidate_display, - .gfx_update = jazz_led_update_display, - .text_update = jazz_led_text_update, -}; - -static int jazz_led_init(SysBusDevice *dev) -{ - LedState *s = JAZZ_LED(dev); - - memory_region_init_io(&s->iomem, OBJECT(s), &led_ops, s, "led", 1); - sysbus_init_mmio(dev, &s->iomem); - - s->con = graphic_console_init(DEVICE(dev), 0, &jazz_led_ops, s); - - return 0; -} - -static void jazz_led_reset(DeviceState *d) -{ - LedState *s = JAZZ_LED(d); - - s->segments = 0; - s->state = REDRAW_SEGMENTS | REDRAW_BACKGROUND; - qemu_console_resize(s->con, 60, 80); -} - -static void jazz_led_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - - k->init = jazz_led_init; - dc->desc = "Jazz LED display", - dc->vmsd = &vmstate_jazz_led; - dc->reset = jazz_led_reset; -} - -static const TypeInfo jazz_led_info = { - .name = TYPE_JAZZ_LED, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(LedState), - .class_init = jazz_led_class_init, -}; - -static void jazz_led_register(void) -{ - type_register_static(&jazz_led_info); -} - -type_init(jazz_led_register); |