u-boot/include/video_console.h

4  * SPDX-License-Identifier:	GPL-2.0+
16  * struct vidconsole_priv - uclass-private data about a console device
30  * @xstart_frac:	Left margin for the text console in fractional units
48  * struct vidconsole_ops - Video console operations
52  * of an entire line of text - typically 16 pixels).
56 	 * putc_xy() - write a single character to a position
59 	 * @x_frac:	Fractional pixel X position (0=left-most pixel) which
61 	 * @y:		Pixel Y position (0=top-most pixel)
64 	 * if all is OK, -EAGAIN if we ran out of space on this line, other -ve
70 	 * move_rows() - Move text rows from one place to another
76 	 * @return 0 if OK, -ve on error
82 	 * set_row() - Set the colour of a text row
89 	 * @return 0 if OK, -ve on error
94 	 * entry_start() - Indicate that text entry is starting afresh
106 	 * backspace() - Handle erasing the last character
114 	 * If not implement, default behaviour will work for fixed-width
121 #define vidconsole_get_ops(dev)  ((struct vidconsole_ops *)(dev)->driver->ops)
124  * vidconsole_putc_xy() - write a single character to a position
127  * @x_frac:	Fractional pixel X position (0=left-most pixel) which
129  * @y:		Pixel Y position (0=top-most pixel)
132  * if all is OK, -EAGAIN if we ran out of space on this line, other -ve
138  * vidconsole_move_rows() - Move text rows from one place to another
144  * @return 0 if OK, -ve on error
150  * vidconsole_set_row() - Set the colour of a text row
157  * @return 0 if OK, -ve on error
162  * vidconsole_put_char() - Output a character to the current console position
168  * The device always starts with the cursor at position 0,0 (top left). It
173  * @return 0 if OK, -ve on error
178  * vidconsole_position_cursor() - Move the text cursor
183  * @return 0 if OK, -ve on error