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-rw-r--r--hw/ssd0303.c322
1 files changed, 0 insertions, 322 deletions
diff --git a/hw/ssd0303.c b/hw/ssd0303.c
deleted file mode 100644
index 68d1f24b06..0000000000
--- a/hw/ssd0303.c
+++ /dev/null
@@ -1,322 +0,0 @@
-/*
- * SSD0303 OLED controller with OSRAM Pictiva 96x16 display.
- *
- * Copyright (c) 2006-2007 CodeSourcery.
- * Written by Paul Brook
- *
- * This code is licensed under the GPL.
- */
-
-/* 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/i2c.h"
-#include "ui/console.h"
-
-//#define DEBUG_SSD0303 1
-
-#ifdef DEBUG_SSD0303
-#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, ...) do {} while(0)
-#define BADF(fmt, ...) \
-do { fprintf(stderr, "ssd0303: error: " fmt , ## __VA_ARGS__);} while (0)
-#endif
-
-/* Scaling factor for pixels. */
-#define MAGNIFY 4
-
-enum ssd0303_mode
-{
- SSD0303_IDLE,
- SSD0303_DATA,
- SSD0303_CMD
-};
-
-enum ssd0303_cmd {
- SSD0303_CMD_NONE,
- SSD0303_CMD_SKIP1
-};
-
-typedef struct {
- I2CSlave i2c;
- QemuConsole *con;
- int row;
- int col;
- int start_line;
- int mirror;
- int flash;
- int enabled;
- int inverse;
- int redraw;
- enum ssd0303_mode mode;
- enum ssd0303_cmd cmd_state;
- uint8_t framebuffer[132*8];
-} ssd0303_state;
-
-static int ssd0303_recv(I2CSlave *i2c)
-{
- BADF("Reads not implemented\n");
- return -1;
-}
-
-static int ssd0303_send(I2CSlave *i2c, uint8_t data)
-{
- ssd0303_state *s = (ssd0303_state *)i2c;
- enum ssd0303_cmd old_cmd_state;
- switch (s->mode) {
- case SSD0303_IDLE:
- DPRINTF("byte 0x%02x\n", data);
- if (data == 0x80)
- s->mode = SSD0303_CMD;
- else if (data == 0x40)
- s->mode = SSD0303_DATA;
- else
- BADF("Unexpected byte 0x%x\n", data);
- break;
- case SSD0303_DATA:
- DPRINTF("data 0x%02x\n", data);
- if (s->col < 132) {
- s->framebuffer[s->col + s->row * 132] = data;
- s->col++;
- s->redraw = 1;
- }
- break;
- case SSD0303_CMD:
- old_cmd_state = s->cmd_state;
- s->cmd_state = SSD0303_CMD_NONE;
- switch (old_cmd_state) {
- case SSD0303_CMD_NONE:
- DPRINTF("cmd 0x%02x\n", data);
- s->mode = SSD0303_IDLE;
- switch (data) {
- case 0x00 ... 0x0f: /* Set lower column address. */
- s->col = (s->col & 0xf0) | (data & 0xf);
- break;
- case 0x10 ... 0x20: /* Set higher column address. */
- s->col = (s->col & 0x0f) | ((data & 0xf) << 4);
- break;
- case 0x40 ... 0x7f: /* Set start line. */
- s->start_line = 0;
- break;
- case 0x81: /* Set contrast (Ignored). */
- s->cmd_state = SSD0303_CMD_SKIP1;
- break;
- case 0xa0: /* Mirror off. */
- s->mirror = 0;
- break;
- case 0xa1: /* Mirror off. */
- s->mirror = 1;
- break;
- case 0xa4: /* Entire display off. */
- s->flash = 0;
- break;
- case 0xa5: /* Entire display on. */
- s->flash = 1;
- break;
- case 0xa6: /* Inverse off. */
- s->inverse = 0;
- break;
- case 0xa7: /* Inverse on. */
- s->inverse = 1;
- break;
- case 0xa8: /* Set multiplied ratio (Ignored). */
- s->cmd_state = SSD0303_CMD_SKIP1;
- break;
- case 0xad: /* DC-DC power control. */
- s->cmd_state = SSD0303_CMD_SKIP1;
- break;
- case 0xae: /* Display off. */
- s->enabled = 0;
- break;
- case 0xaf: /* Display on. */
- s->enabled = 1;
- break;
- case 0xb0 ... 0xbf: /* Set Page address. */
- s->row = data & 7;
- break;
- case 0xc0 ... 0xc8: /* Set COM output direction (Ignored). */
- break;
- case 0xd3: /* Set display offset (Ignored). */
- s->cmd_state = SSD0303_CMD_SKIP1;
- break;
- case 0xd5: /* Set display clock (Ignored). */
- s->cmd_state = SSD0303_CMD_SKIP1;
- break;
- case 0xd8: /* Set color and power mode (Ignored). */
- s->cmd_state = SSD0303_CMD_SKIP1;
- break;
- case 0xd9: /* Set pre-charge period (Ignored). */
- s->cmd_state = SSD0303_CMD_SKIP1;
- break;
- case 0xda: /* Set COM pin configuration (Ignored). */
- s->cmd_state = SSD0303_CMD_SKIP1;
- break;
- case 0xdb: /* Set VCOM dselect level (Ignored). */
- s->cmd_state = SSD0303_CMD_SKIP1;
- break;
- case 0xe3: /* no-op. */
- break;
- default:
- BADF("Unknown command: 0x%x\n", data);
- }
- break;
- case SSD0303_CMD_SKIP1:
- DPRINTF("skip 0x%02x\n", data);
- break;
- }
- break;
- }
- return 0;
-}
-
-static void ssd0303_event(I2CSlave *i2c, enum i2c_event event)
-{
- ssd0303_state *s = (ssd0303_state *)i2c;
- switch (event) {
- case I2C_FINISH:
- s->mode = SSD0303_IDLE;
- break;
- case I2C_START_RECV:
- case I2C_START_SEND:
- case I2C_NACK:
- /* Nothing to do. */
- break;
- }
-}
-
-static void ssd0303_update_display(void *opaque)
-{
- ssd0303_state *s = (ssd0303_state *)opaque;
- DisplaySurface *surface = qemu_console_surface(s->con);
- uint8_t *dest;
- uint8_t *src;
- int x;
- int y;
- int line;
- char *colors[2];
- char colortab[MAGNIFY * 8];
- int dest_width;
- uint8_t mask;
-
- if (!s->redraw)
- return;
-
- switch (surface_bits_per_pixel(surface)) {
- 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 = surface_data(surface);
- 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;
- }
- }
- s->redraw = 0;
- dpy_gfx_update(s->con, 0, 0, 96 * MAGNIFY, 16 * MAGNIFY);
-}
-
-static void ssd0303_invalidate_display(void * opaque)
-{
- ssd0303_state *s = (ssd0303_state *)opaque;
- s->redraw = 1;
-}
-
-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(I2CSlave *i2c)
-{
- ssd0303_state *s = FROM_I2C_SLAVE(ssd0303_state, i2c);
-
- s->con = graphic_console_init(ssd0303_update_display,
- ssd0303_invalidate_display,
- NULL, NULL, s);
- qemu_console_resize(s->con, 96 * MAGNIFY, 16 * MAGNIFY);
- return 0;
-}
-
-static void ssd0303_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
-
- k->init = ssd0303_init;
- k->event = ssd0303_event;
- k->recv = ssd0303_recv;
- k->send = ssd0303_send;
- dc->vmsd = &vmstate_ssd0303;
-}
-
-static const TypeInfo ssd0303_info = {
- .name = "ssd0303",
- .parent = TYPE_I2C_SLAVE,
- .instance_size = sizeof(ssd0303_state),
- .class_init = ssd0303_class_init,
-};
-
-static void ssd0303_register_types(void)
-{
- type_register_static(&ssd0303_info);
-}
-
-type_init(ssd0303_register_types)
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