hw: move target-independent files to subdirectories

This patch tackles all files that are compiled once, moving
them to subdirectories of hw/.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 373 insertions, 0 deletions

diff --git a/hw/display/ssd0323.c b/hw/display/ssd0323.c
new file mode 100644
index 0000000..5cf2f70
--- /dev/null
+++ b/hw/display/ssd0323.c
@@ -0,0 +1,373 @@
+/*
+ * SSD0323 OLED controller with OSRAM Pictiva 128x64 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/ssi.h"
+#include "ui/console.h"
+
+//#define DEBUG_SSD0323 1
+
+#ifdef DEBUG_SSD0323
+#define DPRINTF(fmt, ...) \
+do { printf("ssd0323: " fmt , ## __VA_ARGS__); } while (0)
+#define BADF(fmt, ...) \
+do { \
+    fprintf(stderr, "ssd0323: error: " fmt , ## __VA_ARGS__); abort(); \
+} while (0)
+#else
+#define DPRINTF(fmt, ...) do {} while(0)
+#define BADF(fmt, ...) \
+do { fprintf(stderr, "ssd0323: error: " fmt , ## __VA_ARGS__);} while (0)
+#endif
+
+/* Scaling factor for pixels.  */
+#define MAGNIFY 4
+
+#define REMAP_SWAP_COLUMN 0x01
+#define REMAP_SWAP_NYBBLE 0x02
+#define REMAP_VERTICAL    0x04
+#define REMAP_SWAP_COM    0x10
+#define REMAP_SPLIT_COM   0x40
+
+enum ssd0323_mode
+{
+    SSD0323_CMD,
+    SSD0323_DATA
+};
+
+typedef struct {
+    SSISlave ssidev;
+    QemuConsole *con;
+
+    int cmd_len;
+    int cmd;
+    int cmd_data[8];
+    int row;
+    int row_start;
+    int row_end;
+    int col;
+    int col_start;
+    int col_end;
+    int redraw;
+    int remap;
+    enum ssd0323_mode mode;
+    uint8_t framebuffer[128 * 80 / 2];
+} ssd0323_state;
+
+static uint32_t ssd0323_transfer(SSISlave *dev, uint32_t data)
+{
+    ssd0323_state *s = FROM_SSI_SLAVE(ssd0323_state, dev);
+
+    switch (s->mode) {
+    case SSD0323_DATA:
+        DPRINTF("data 0x%02x\n", data);
+        s->framebuffer[s->col + s->row * 64] = data;
+        if (s->remap & REMAP_VERTICAL) {
+            s->row++;
+            if (s->row > s->row_end) {
+                s->row = s->row_start;
+                s->col++;
+            }
+            if (s->col > s->col_end) {
+                s->col = s->col_start;
+            }
+        } else {
+            s->col++;
+            if (s->col > s->col_end) {
+                s->row++;
+                s->col = s->col_start;
+            }
+            if (s->row > s->row_end) {
+                s->row = s->row_start;
+            }
+        }
+        s->redraw = 1;
+        break;
+    case SSD0323_CMD:
+        DPRINTF("cmd 0x%02x\n", data);
+        if (s->cmd_len == 0) {
+            s->cmd = data;
+        } else {
+            s->cmd_data[s->cmd_len - 1] = data;
+        }
+        s->cmd_len++;
+        switch (s->cmd) {
+#define DATA(x) if (s->cmd_len <= (x)) return 0
+        case 0x15: /* Set column.  */
+            DATA(2);
+            s->col = s->col_start = s->cmd_data[0] % 64;
+            s->col_end = s->cmd_data[1] % 64;
+            break;
+        case 0x75: /* Set row.  */
+            DATA(2);
+            s->row = s->row_start = s->cmd_data[0] % 80;
+            s->row_end = s->cmd_data[1] % 80;
+            break;
+        case 0x81: /* Set contrast */
+            DATA(1);
+            break;
+        case 0x84: case 0x85: case 0x86: /* Max current.  */
+            DATA(0);
+            break;
+        case 0xa0: /* Set remapping.  */
+            /* FIXME: Implement this.  */
+            DATA(1);
+            s->remap = s->cmd_data[0];
+            break;
+        case 0xa1: /* Set display start line.  */
+        case 0xa2: /* Set display offset.  */
+            /* FIXME: Implement these.  */
+            DATA(1);
+            break;
+        case 0xa4: /* Normal mode.  */
+        case 0xa5: /* All on.  */
+        case 0xa6: /* All off.  */
+        case 0xa7: /* Inverse.  */
+            /* FIXME: Implement these.  */
+            DATA(0);
+            break;
+        case 0xa8: /* Set multiplex ratio.  */
+        case 0xad: /* Set DC-DC converter.  */
+            DATA(1);
+            /* Ignored.  Don't care.  */
+            break;
+        case 0xae: /* Display off.  */
+        case 0xaf: /* Display on.  */
+            DATA(0);
+            /* TODO: Implement power control.  */
+            break;
+        case 0xb1: /* Set phase length.  */
+        case 0xb2: /* Set row period.  */
+        case 0xb3: /* Set clock rate.  */
+        case 0xbc: /* Set precharge.  */
+        case 0xbe: /* Set VCOMH.  */
+        case 0xbf: /* Set segment low.  */
+            DATA(1);
+            /* Ignored.  Don't care.  */
+            break;
+        case 0xb8: /* Set grey scale table.  */
+            /* FIXME: Implement this.  */
+            DATA(8);
+            break;
+        case 0xe3: /* NOP.  */
+            DATA(0);
+            break;
+        case 0xff: /* Nasty hack because we don't handle chip selects
+                      properly.  */
+            break;
+        default:
+            BADF("Unknown command: 0x%x\n", data);
+        }
+        s->cmd_len = 0;
+        return 0;
+    }
+    return 0;
+}
+
+static void ssd0323_update_display(void *opaque)
+{
+    ssd0323_state *s = (ssd0323_state *)opaque;
+    DisplaySurface *surface = qemu_console_surface(s->con);
+    uint8_t *dest;
+    uint8_t *src;
+    int x;
+    int y;
+    int i;
+    int line;
+    char *colors[16];
+    char colortab[MAGNIFY * 64];
+    char *p;
+    int dest_width;
+
+    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;
+    }
+    p = colortab;
+    for (i = 0; i < 16; i++) {
+        int n;
+        colors[i] = p;
+        switch (surface_bits_per_pixel(surface)) {
+        case 15:
+            n = i * 2 + (i >> 3);
+            p[0] = n | (n << 5);
+            p[1] = (n << 2) | (n >> 3);
+            break;
+        case 16:
+            n = i * 2 + (i >> 3);
+            p[0] = n | (n << 6) | ((n << 1) & 0x20);
+            p[1] = (n << 3) | (n >> 2);
+            break;
+        case 24:
+        case 32:
+            n = (i << 4) | i;
+            p[0] = p[1] = p[2] = n;
+            break;
+        default:
+            BADF("Bad color depth\n");
+            return;
+        }
+        p += dest_width;
+    }
+    /* TODO: Implement row/column remapping.  */
+    dest = surface_data(surface);
+    for (y = 0; y < 64; y++) {
+        line = y;
+        src = s->framebuffer + 64 * line;
+        for (x = 0; x < 64; x++) {
+            int val;
+            val = *src >> 4;
+            for (i = 0; i < MAGNIFY; i++) {
+                memcpy(dest, colors[val], dest_width);
+                dest += dest_width;
+            }
+            val = *src & 0xf;
+            for (i = 0; i < MAGNIFY; i++) {
+                memcpy(dest, colors[val], dest_width);
+                dest += dest_width;
+            }
+            src++;
+        }
+        for (i = 1; i < MAGNIFY; i++) {
+            memcpy(dest, dest - dest_width * MAGNIFY * 128,
+                   dest_width * 128 * MAGNIFY);
+            dest += dest_width * 128 * MAGNIFY;
+        }
+    }
+    s->redraw = 0;
+    dpy_gfx_update(s->con, 0, 0, 128 * MAGNIFY, 64 * MAGNIFY);
+}
+
+static void ssd0323_invalidate_display(void * opaque)
+{
+    ssd0323_state *s = (ssd0323_state *)opaque;
+    s->redraw = 1;
+}
+
+/* Command/data input.  */
+static void ssd0323_cd(void *opaque, int n, int level)
+{
+    ssd0323_state *s = (ssd0323_state *)opaque;
+    DPRINTF("%s mode\n", level ? "Data" : "Command");
+    s->mode = level ? SSD0323_DATA : SSD0323_CMD;
+}
+
+static void ssd0323_save(QEMUFile *f, void *opaque)
+{
+    SSISlave *ss = SSI_SLAVE(opaque);
+    ssd0323_state *s = (ssd0323_state *)opaque;
+    int i;
+
+    qemu_put_be32(f, s->cmd_len);
+    qemu_put_be32(f, s->cmd);
+    for (i = 0; i < 8; i++)
+        qemu_put_be32(f, s->cmd_data[i]);
+    qemu_put_be32(f, s->row);
+    qemu_put_be32(f, s->row_start);
+    qemu_put_be32(f, s->row_end);
+    qemu_put_be32(f, s->col);
+    qemu_put_be32(f, s->col_start);
+    qemu_put_be32(f, s->col_end);
+    qemu_put_be32(f, s->redraw);
+    qemu_put_be32(f, s->remap);
+    qemu_put_be32(f, s->mode);
+    qemu_put_buffer(f, s->framebuffer, sizeof(s->framebuffer));
+
+    qemu_put_be32(f, ss->cs);
+}
+
+static int ssd0323_load(QEMUFile *f, void *opaque, int version_id)
+{
+    SSISlave *ss = SSI_SLAVE(opaque);
+    ssd0323_state *s = (ssd0323_state *)opaque;
+    int i;
+
+    if (version_id != 1)
+        return -EINVAL;
+
+    s->cmd_len = qemu_get_be32(f);
+    s->cmd = qemu_get_be32(f);
+    for (i = 0; i < 8; i++)
+        s->cmd_data[i] = qemu_get_be32(f);
+    s->row = qemu_get_be32(f);
+    s->row_start = qemu_get_be32(f);
+    s->row_end = qemu_get_be32(f);
+    s->col = qemu_get_be32(f);
+    s->col_start = qemu_get_be32(f);
+    s->col_end = qemu_get_be32(f);
+    s->redraw = qemu_get_be32(f);
+    s->remap = qemu_get_be32(f);
+    s->mode = qemu_get_be32(f);
+    qemu_get_buffer(f, s->framebuffer, sizeof(s->framebuffer));
+
+    ss->cs = qemu_get_be32(f);
+
+    return 0;
+}
+
+static int ssd0323_init(SSISlave *dev)
+{
+    ssd0323_state *s = FROM_SSI_SLAVE(ssd0323_state, dev);
+
+    s->col_end = 63;
+    s->row_end = 79;
+    s->con = graphic_console_init(ssd0323_update_display,
+                                  ssd0323_invalidate_display,
+                                  NULL, NULL, s);
+    qemu_console_resize(s->con, 128 * MAGNIFY, 64 * MAGNIFY);
+
+    qdev_init_gpio_in(&dev->qdev, ssd0323_cd, 1);
+
+    register_savevm(&dev->qdev, "ssd0323_oled", -1, 1,
+                    ssd0323_save, ssd0323_load, s);
+    return 0;
+}
+
+static void ssd0323_class_init(ObjectClass *klass, void *data)
+{
+    SSISlaveClass *k = SSI_SLAVE_CLASS(klass);
+
+    k->init = ssd0323_init;
+    k->transfer = ssd0323_transfer;
+    k->cs_polarity = SSI_CS_HIGH;
+}
+
+static const TypeInfo ssd0323_info = {
+    .name          = "ssd0323",
+    .parent        = TYPE_SSI_SLAVE,
+    .instance_size = sizeof(ssd0323_state),
+    .class_init    = ssd0323_class_init,
+};
+
+static void ssd03232_register_types(void)
+{
+    type_register_static(&ssd0323_info);
+}
+
+type_init(ssd03232_register_types)