/* The controller can support a variety of different displays, but we only
implement one. Most of the commends relating to brightness and geometry
setup are ignored. */
-#include "hw.h"
#include "i2c.h"
#include "console.h"
//#define DEBUG_SSD0303 1
#ifdef DEBUG_SSD0303
-#define DPRINTF(fmt, args...) \
-do { printf("ssd0303: " fmt , ##args); } while (0)
-#define BADF(fmt, args...) \
-do { fprintf(stderr, "ssd0303: error: " fmt , ##args); exit(1);} while (0)
+#define DPRINTF(fmt, ...) \
+do { printf("ssd0303: " fmt , ## __VA_ARGS__); } while (0)
+#define BADF(fmt, ...) \
+do { fprintf(stderr, "ssd0303: error: " fmt , ## __VA_ARGS__); exit(1);} while (0)
#else
-#define DPRINTF(fmt, args...) do {} while(0)
-#define BADF(fmt, args...) \
-do { fprintf(stderr, "ssd0303: error: " fmt , ##args);} while (0)
+#define DPRINTF(fmt, ...) do {} while(0)
+#define BADF(fmt, ...) \
+do { fprintf(stderr, "ssd0303: error: " fmt , ## __VA_ARGS__);} while (0)
#endif
/* Scaling factor for pixels. */
typedef struct {
i2c_slave i2c;
DisplayState *ds;
- QEMUConsole *console;
int row;
int col;
int start_line;
DPRINTF("cmd 0x%02x\n", data);
s->mode = SSD0303_IDLE;
switch (data) {
- case 0x00 ... 0x0f: /* Set lower colum address. */
+ case 0x00 ... 0x0f: /* Set lower column address. */
s->col = (s->col & 0xf0) | (data & 0xf);
break;
case 0x10 ... 0x20: /* Set higher column address. */
int dest_width;
uint8_t mask;
- if (s->redraw) {
- switch (s->ds->depth) {
- case 0:
- return;
- case 15:
- dest_width = 2;
- break;
- case 16:
- dest_width = 2;
- break;
- case 24:
- dest_width = 3;
- break;
- case 32:
- dest_width = 4;
- break;
- default:
- BADF("Bad color depth\n");
- return;
- }
- dest_width *= MAGNIFY;
- memset(colortab, 0xff, dest_width);
- memset(colortab + dest_width, 0, dest_width);
- if (s->flash) {
- colors[0] = colortab;
- colors[1] = colortab;
- } else if (s->inverse) {
- colors[0] = colortab;
- colors[1] = colortab + dest_width;
- } else {
- colors[0] = colortab + dest_width;
- colors[1] = colortab;
+ if (!s->redraw)
+ return;
+
+ switch (ds_get_bits_per_pixel(s->ds)) {
+ case 0:
+ return;
+ case 15:
+ dest_width = 2;
+ break;
+ case 16:
+ dest_width = 2;
+ break;
+ case 24:
+ dest_width = 3;
+ break;
+ case 32:
+ dest_width = 4;
+ break;
+ default:
+ BADF("Bad color depth\n");
+ return;
+ }
+ dest_width *= MAGNIFY;
+ memset(colortab, 0xff, dest_width);
+ memset(colortab + dest_width, 0, dest_width);
+ if (s->flash) {
+ colors[0] = colortab;
+ colors[1] = colortab;
+ } else if (s->inverse) {
+ colors[0] = colortab;
+ colors[1] = colortab + dest_width;
+ } else {
+ colors[0] = colortab + dest_width;
+ colors[1] = colortab;
+ }
+ dest = ds_get_data(s->ds);
+ for (y = 0; y < 16; y++) {
+ line = (y + s->start_line) & 63;
+ src = s->framebuffer + 132 * (line >> 3) + 36;
+ mask = 1 << (line & 7);
+ for (x = 0; x < 96; x++) {
+ memcpy(dest, colors[(*src & mask) != 0], dest_width);
+ dest += dest_width;
+ src++;
}
- dest = s->ds->data;
- for (y = 0; y < 16; y++) {
- line = (y + s->start_line) & 63;
- src = s->framebuffer + 132 * (line >> 3) + 36;
- mask = 1 << (line & 7);
- for (x = 0; x < 96; x++) {
- memcpy(dest, colors[(*src & mask) != 0], dest_width);
- dest += dest_width;
- src++;
- }
- for (x = 1; x < MAGNIFY; x++) {
- memcpy(dest, dest - dest_width * 96, dest_width * 96);
- dest += dest_width * 96;
- }
+ for (x = 1; x < MAGNIFY; x++) {
+ memcpy(dest, dest - dest_width * 96, dest_width * 96);
+ dest += dest_width * 96;
}
}
+ s->redraw = 0;
dpy_update(s->ds, 0, 0, 96 * MAGNIFY, 16 * MAGNIFY);
}
s->redraw = 1;
}
-void ssd0303_init(DisplayState *ds, i2c_bus *bus, int address)
+static const VMStateDescription vmstate_ssd0303 = {
+ .name = "ssd0303_oled",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_INT32(row, ssd0303_state),
+ VMSTATE_INT32(col, ssd0303_state),
+ VMSTATE_INT32(start_line, ssd0303_state),
+ VMSTATE_INT32(mirror, ssd0303_state),
+ VMSTATE_INT32(flash, ssd0303_state),
+ VMSTATE_INT32(enabled, ssd0303_state),
+ VMSTATE_INT32(inverse, ssd0303_state),
+ VMSTATE_INT32(redraw, ssd0303_state),
+ VMSTATE_UINT32(mode, ssd0303_state),
+ VMSTATE_UINT32(cmd_state, ssd0303_state),
+ VMSTATE_BUFFER(framebuffer, ssd0303_state),
+ VMSTATE_I2C_SLAVE(i2c, ssd0303_state),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static int ssd0303_init(i2c_slave *i2c)
{
- ssd0303_state *s;
+ ssd0303_state *s = FROM_I2C_SLAVE(ssd0303_state, i2c);
+
+ s->ds = graphic_console_init(ssd0303_update_display,
+ ssd0303_invalidate_display,
+ NULL, NULL, s);
+ qemu_console_resize(s->ds, 96 * MAGNIFY, 16 * MAGNIFY);
+ return 0;
+}
+
+static I2CSlaveInfo ssd0303_info = {
+ .qdev.name = "ssd0303",
+ .qdev.size = sizeof(ssd0303_state),
+ .qdev.vmsd = &vmstate_ssd0303,
+ .init = ssd0303_init,
+ .event = ssd0303_event,
+ .recv = ssd0303_recv,
+ .send = ssd0303_send
+};
- s = (ssd0303_state *)i2c_slave_init(bus, address, sizeof(ssd0303_state));
- s->ds = ds;
- s->i2c.event = ssd0303_event;
- s->i2c.recv = ssd0303_recv;
- s->i2c.send = ssd0303_send;
- s->console = graphic_console_init(ds, ssd0303_update_display,
- ssd0303_invalidate_display,
- NULL, NULL, s);
- qemu_console_resize(s->console, 96 * MAGNIFY, 16 * MAGNIFY);
+static void ssd0303_register_devices(void)
+{
+ i2c_register_slave(&ssd0303_info);
}
+
+device_init(ssd0303_register_devices)
projects / qemu.git / blobdiff