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drivers/lcd: add area alignment ioctl for lcd driver

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Signed-off-by: rongyichang <rongyichang@xiaomi.com>
This commit is contained in:
rongyichang 2023-04-18 22:16:47 +08:00 committed by Xiang Xiao
parent f43c7e99be
commit 6902ed9516
3 changed files with 45 additions and 6 deletions
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19
drivers/lcd/lcd_dev.c
View File

@ -272,6 +272,25 @@ static int lcddev_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
*((FAR int *)arg) = priv->lcd_ptr->getframerate(priv->lcd_ptr);
}
break;
case LCDDEVIO_GETAREAALIGN:
{
FAR struct lcddev_area_align_s *area_align =
(FAR struct lcddev_area_align_s *)arg;
if (priv->lcd_ptr->getareaalign == NULL)
{
area_align->row_start_align = 1;
area_align->height_align = 1;
area_align->col_start_align = 1;
area_align->width_align = 1;
area_align->buf_align = sizeof(uintptr_t);
}
else
{
ret = priv->lcd_ptr->getareaalign(priv->lcd_ptr, area_align);
}
}
break;
default:
ret = -EINVAL;
break;

18
include/nuttx/lcd/lcd.h
View File

@ -47,6 +47,19 @@
struct lcd_dev_s;
/* Some special LCD drivers require input data to be aligned.
* Such as starting row and column, width, height, data address, etc.
*/
struct lcddev_area_align_s
{
uint16_t row_start_align; /* Start row index alignment */
uint16_t height_align; /* Height alignment */
uint16_t col_start_align; /* Start column index alignment */
uint16_t width_align; /* Width alignment */
uint16_t buf_align; /* Buffer addr alignment */
};
/* This structure describes one color plane. Some YUV formats may support
* up to 4 planes (although they probably wouldn't be used on LCD hardware).
* The framebuffer driver provides the video memory address in its
@ -246,6 +259,11 @@ struct lcd_dev_s
/* Get LCD panel frame rate (0: disable refresh) */
int (*getframerate)(struct lcd_dev_s *dev);
/* Get LCD panel area alignment */
int (*getareaalign)(FAR struct lcd_dev_s *dev,
FAR struct lcddev_area_align_s *align);
};
/****************************************************************************

14
include/nuttx/lcd/lcd_dev.h
View File

@ -50,17 +50,19 @@
#define LCDDEVIO_SETPLANENO _LCDIOC(10) /* Arg: int */
#ifdef CONFIG_FB_CMAP
#define LCDDEVIO_GETCMAP _LCDIOC(9) /* Arg: struct fb_cmap_s* */
#define LCDDEVIO_PUTCMAP _LCDIOC(10) /* Arg: const struct fb_cmap_s* */
#define LCDDEVIO_GETCMAP _LCDIOC(11) /* Arg: struct fb_cmap_s* */
#define LCDDEVIO_PUTCMAP _LCDIOC(12) /* Arg: const struct fb_cmap_s* */
#endif
#ifdef CONFIG_FB_HWCURSOR
#define LCDDEVIO_GETCURSOR _LCDIOC(11) /* Arg: struct fb_cursorattrib_s* */
#define LCDDEVIO_SETCURSOR _LCDIOC(12) /* Arg: struct fb_setcursor_s* */
#define LCDDEVIO_GETCURSOR _LCDIOC(13) /* Arg: struct fb_cursorattrib_s* */
#define LCDDEVIO_SETCURSOR _LCDIOC(14) /* Arg: struct fb_setcursor_s* */
#endif
#define LCDDEVIO_SETFRAMERATE _LCDIOC(13) /* Arg: int */
#define LCDDEVIO_GETFRAMERATE _LCDIOC(14) /* Arg: int* */
#define LCDDEVIO_SETFRAMERATE _LCDIOC(15) /* Arg: int */
#define LCDDEVIO_GETFRAMERATE _LCDIOC(16) /* Arg: int* */
#define LCDDEVIO_GETAREAALIGN _LCDIOC(17) /* Arg: struct lcddev_area_align_s* */
/****************************************************************************
* Public Data