return ret;
}
+int draw_cursor_vertically(void **line, struct video_priv *vid_priv,
+ uint height, bool direction)
+{
+ int step, line_step, pbytes, ret;
+ uint value;
+ void *dst;
+
+ ret = check_bpix_support(vid_priv->bpix);
+ if (ret)
+ return ret;
+
+ pbytes = VNBYTES(vid_priv->bpix);
+ if (direction) {
+ step = -pbytes;
+ line_step = -vid_priv->line_length;
+ } else {
+ step = pbytes;
+ line_step = vid_priv->line_length;
+ }
+
+ value = vid_priv->colour_fg;
+
+ for (int row = 0; row < height; row++) {
+ dst = *line;
+ for (int col = 0; col < VIDCONSOLE_CURSOR_WIDTH; col++)
+ fill_pixel_and_goto_next(&dst, value, pbytes, step);
+ *line += line_step;
+ }
+ return ret;
+}
+
int console_probe(struct udevice *dev)
{
return console_set_font(dev, fonts);
return VID_TO_POS(fontdata->width);
}
+static int console_set_cursor_visible(struct udevice *dev, bool visible,
+ uint x, uint y, uint index)
+{
+ struct vidconsole_priv *vc_priv = dev_get_uclass_priv(dev);
+ struct udevice *vid = dev->parent;
+ struct video_priv *vid_priv = dev_get_uclass_priv(vid);
+ struct console_simple_priv *priv = dev_get_priv(dev);
+ struct video_fontdata *fontdata = priv->fontdata;
+ int pbytes = VNBYTES(vid_priv->bpix);
+ void *start, *line;
+
+ /* for now, this is not used outside expo */
+ if (!IS_ENABLED(CONFIG_EXPO))
+ return -ENOSYS;
+
+ x += index * fontdata->width;
+ start = vid_priv->fb + y * vid_priv->line_length + x * pbytes;
+
+ /* place the cursor 1 pixel before the start of the next char */
+ x -= 1;
+
+ line = start;
+ draw_cursor_vertically(&line, vid_priv, vc_priv->y_charsize,
+ NORMAL_DIRECTION);
+
+ return 0;
+}
+
struct vidconsole_ops console_ops = {
.putc_xy = console_putc_xy,
.move_rows = console_move_rows,
.get_font_size = console_simple_get_font_size,
.get_font = console_simple_get_font,
.select_font = console_simple_select_font,
+ .set_cursor_visible = console_set_cursor_visible,
};
U_BOOT_DRIVER(vidconsole_normal) = {
return 0;
}
+static int truetype_set_cursor_visible(struct udevice *dev, bool visible,
+ uint x, uint y, uint index)
+{
+ struct vidconsole_priv *vc_priv = dev_get_uclass_priv(dev);
+ struct udevice *vid = dev->parent;
+ struct video_priv *vid_priv = dev_get_uclass_priv(vid);
+ struct console_tt_priv *priv = dev_get_priv(dev);
+ struct console_tt_metrics *met = priv->cur_met;
+ uint row, width, height, xoff;
+ void *start, *line;
+ uint out, val;
+ int ret;
+
+ if (!visible)
+ return 0;
+
+ /*
+ * figure out where to place the cursor. This driver ignores the
+ * passed-in values, since an entry_restore() must have been done before
+ * calling this function.
+ */
+ if (index < priv->pos_ptr)
+ x = VID_TO_PIXEL(priv->pos[index].xpos_frac);
+ else
+ x = VID_TO_PIXEL(vc_priv->xcur_frac);
+
+ y = vc_priv->ycur;
+ height = met->font_size;
+ xoff = 0;
+
+ val = vid_priv->colour_bg ? 0 : 255;
+ width = VIDCONSOLE_CURSOR_WIDTH;
+
+ /* Figure out where to write the cursor in the frame buffer */
+ start = vid_priv->fb + y * vid_priv->line_length +
+ x * VNBYTES(vid_priv->bpix);
+ line = start;
+
+ /* draw a vertical bar in the correct position */
+ for (row = 0; row < height; row++) {
+ switch (vid_priv->bpix) {
+ case VIDEO_BPP8:
+ if (IS_ENABLED(CONFIG_VIDEO_BPP8)) {
+ u8 *dst = line + xoff;
+ int i;
+
+ out = val;
+ for (i = 0; i < width; i++) {
+ if (vid_priv->colour_fg)
+ *dst++ |= out;
+ else
+ *dst++ &= out;
+ }
+ }
+ break;
+ case VIDEO_BPP16: {
+ u16 *dst = (u16 *)line + xoff;
+ int i;
+
+ if (IS_ENABLED(CONFIG_VIDEO_BPP16)) {
+ for (i = 0; i < width; i++) {
+ out = val >> 3 |
+ (val >> 2) << 5 |
+ (val >> 3) << 11;
+ if (vid_priv->colour_fg)
+ *dst++ |= out;
+ else
+ *dst++ &= out;
+ }
+ }
+ break;
+ }
+ case VIDEO_BPP32: {
+ u32 *dst = (u32 *)line + xoff;
+ int i;
+
+ if (IS_ENABLED(CONFIG_VIDEO_BPP32)) {
+ for (i = 0; i < width; i++) {
+ int out;
+
+ out = val | val << 8 | val << 16;
+ if (vid_priv->colour_fg)
+ *dst++ |= out;
+ else
+ *dst++ &= out;
+ }
+ }
+ break;
+ }
+ default:
+ return -ENOSYS;
+ }
+
+ line += vid_priv->line_length;
+ }
+ ret = vidconsole_sync_copy(dev, start, line);
+ if (ret)
+ return ret;
+
+ return video_sync(vid, true);
+}
+
const char *console_truetype_get_font_size(struct udevice *dev, uint *sizep)
{
struct console_tt_priv *priv = dev_get_priv(dev);
.nominal = truetype_nominal,
.entry_save = truetype_entry_save,
.entry_restore = truetype_entry_restore,
+ .set_cursor_visible = truetype_set_cursor_visible
};
U_BOOT_DRIVER(vidconsole_truetype) = {
return 0;
}
+int vidconsole_set_cursor_visible(struct udevice *dev, bool visible,
+ uint x, uint y, uint index)
+{
+ struct vidconsole_ops *ops = vidconsole_get_ops(dev);
+ int ret;
+
+ if (ops->set_cursor_visible) {
+ ret = ops->set_cursor_visible(dev, visible, x, y, index);
+ if (ret != -ENOSYS)
+ return ret;
+ }
+
+ return 0;
+}
+
void vidconsole_push_colour(struct udevice *dev, enum colour_idx fg,
enum colour_idx bg, struct vidconsole_colour *old)
{
int fill_char_horizontally(uchar *pfont, void **line, struct video_priv *vid_priv,
struct video_fontdata *fontdata, bool direction);
+/**
+ * draw_cursor_vertically() - Draw a simple vertical cursor
+ *
+ * @line: pointer to framebuffer buffer: upper left cursor corner
+ * @vid_priv: driver private data
+ * @height: height of the cursor in pixels
+ * @param direction controls cursor orientation. Can be normal or flipped.
+ * When normal: When flipped:
+ *|-----------------------------------------------|
+ *| * | line stepping |
+ *| ^ * * * * * | | |
+ *| | * * | v * * |
+ *| | | * * * * * |
+ *| line stepping | * |
+ *| | |
+ *| stepping -> | <<- stepping |
+ *|---!!we're starting from upper left char corner|
+ *|-----------------------------------------------|
+ *
+ * Return: 0, if success, or else error code.
+ */
+int draw_cursor_vertically(void **line, struct video_priv *vid_priv,
+ uint height, bool direction);
+
/**
* console probe function.
*
#define VID_TO_PIXEL(x) ((x) / VID_FRAC_DIV)
#define VID_TO_POS(x) ((x) * VID_FRAC_DIV)
+enum {
+ /* cursor width in pixels */
+ VIDCONSOLE_CURSOR_WIDTH = 2,
+};
+
/**
* struct vidconsole_priv - uclass-private data about a console device
*
* Return: 0 if OK, -ve on error
*/
int (*entry_restore)(struct udevice *dev, struct abuf *buf);
+
+ /**
+ * set_cursor_visible() - Show or hide the cursor
+ *
+ * Shows or hides a cursor at the current position
+ *
+ * @dev: Console device to use
+ * @visible: true to show the cursor, false to hide it
+ * @x: X position in pixels
+ * @y: Y position in pixels
+ * @index: Character position (0 = at start)
+ * Return: 0 if OK, -ve on error
+ */
+ int (*set_cursor_visible)(struct udevice *dev, bool visible,
+ uint x, uint y, uint index);
};
/* Get a pointer to the driver operations for a video console device */
*/
int vidconsole_entry_restore(struct udevice *dev, struct abuf *buf);
+/**
+ * vidconsole_set_cursor_visible() - Show or hide the cursor
+ *
+ * Shows or hides a cursor at the current position
+ *
+ * @dev: Console device to use
+ * @visible: true to show the cursor, false to hide it
+ * @x: X position in pixels
+ * @y: Y position in pixels
+ * @index: Character position (0 = at start)
+ * Return: 0 if OK, -ve on error
+ */
+int vidconsole_set_cursor_visible(struct udevice *dev, bool visible,
+ uint x, uint y, uint index);
+
/**
* vidconsole_push_colour() - Temporarily change the font colour
*