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feature: driver: add interface for fb driver

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add get and set panel power interface for fb driver.
add get and set framerate interface for fb driver.
add panel information at videoinfo for fb driver.

Signed-off-by: liushuai25 <liushuai25@xiaomi.com>
This commit is contained in:
liushuai25 2021-09-04 15:34:31 +08:00 committed by Gustavo Henrique Nihei
parent 83a9c2b24b
commit 3183251de0
3 changed files with 79 additions and 5 deletions
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4
drivers/video/Kconfig
View File

@ -29,6 +29,10 @@ config FB_OVERLAY
bool "Framebuffer overlay support"
default n
config FB_MODULEINFO
bool "Framebuffer module information support"
default n
config FB_OVERLAY_BLIT
bool "Framebuffer overlay blit support"
depends on FB_OVERLAY

38
drivers/video/fb.c
View File

@ -516,6 +516,44 @@ static int fb_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
#endif
#endif /* CONFIG_FB_OVERLAY */
case FBIOSET_POWER:
{
DEBUGASSERT(fb->vtable != NULL &&
fb->vtable->setpower != NULL);
ret = fb->vtable->setpower(fb->vtable, (int)arg);
}
break;
case FBIOGET_POWER:
{
FAR int *power = (FAR int *)((uintptr_t)arg);
DEBUGASSERT(power != NULL && fb->vtable != NULL &&
fb->vtable->getpower != NULL);
*(power) = fb->vtable->getpower(fb->vtable);
ret = OK;
}
break;
case FBIOGET_FRAMERATE:
{
FAR int *rate = (FAR int *)((uintptr_t)arg);
DEBUGASSERT(rate != NULL && fb->vtable != NULL &&
fb->vtable->getframerate != NULL);
*(rate) = fb->vtable->getframerate(fb->vtable);
ret = OK;
}
break;
case FBIOSET_FRAMERATE:
{
DEBUGASSERT(fb->vtable != NULL &&
fb->vtable->setframerate != NULL);
ret = fb->vtable->setframerate(fb->vtable, (int)arg);
}
break;
default:
gerr("ERROR: Unsupported IOCTL command: %d\n", cmd);
ret = -ENOTTY;

42
include/nuttx/video/fb.h
View File

@ -272,6 +272,17 @@
#endif
#endif /* CONFIG_FB_OVERLAY */
/* Specific Controls ********************************************************/
#define FBIOSET_POWER _FBIOC(0x0012) /* Set panel power
* Argument: int */
#define FBIOGET_POWER _FBIOC(0x0013) /* Get panel current power
* Argument: int* */
#define FBIOSET_FRAMERATE _FBIOC(0x0014) /* Set frame rate
* Argument: int */
#define FBIOGET_FRAMERATE _FBIOC(0x0015) /* Get frame rate
* Argument: int* */
/****************************************************************************
* Public Types
****************************************************************************/
@ -286,12 +297,15 @@ typedef uint16_t fb_coord_t;
struct fb_videoinfo_s
{
uint8_t fmt; /* see FB_FMT_* */
fb_coord_t xres; /* Horizontal resolution in pixel columns */
fb_coord_t yres; /* Vertical resolution in pixel rows */
uint8_t nplanes; /* Number of color planes supported */
uint8_t fmt; /* see FB_FMT_* */
fb_coord_t xres; /* Horizontal resolution in pixel columns */
fb_coord_t yres; /* Vertical resolution in pixel rows */
uint8_t nplanes; /* Number of color planes supported */
#ifdef CONFIG_FB_OVERLAY
uint8_t noverlays; /* Number of overlays supported */
uint8_t noverlays; /* Number of overlays supported */
#endif
#ifdef CONFIG_FB_MODULEINFO
uint8_t moduleinfo[128]; /* Module information filled by vendor */
#endif
};
@ -569,6 +583,24 @@ struct fb_vtable_s
FAR const struct fb_overlayblend_s *blend);
# endif
#endif
/* Specific Controls ******************************************************/
/* Set the frequency of the framebuffer update panel (0: disable refresh) */
int (*setframerate)(FAR struct fb_vtable_s *vtable, int rate);
/* Get the frequency of the framebuffer update panel (0: disable refresh) */
int (*getframerate)(FAR struct fb_vtable_s *vtable);
/* Get the panel power status (0: full off). */
int (*getpower)(FAR struct fb_vtable_s *vtable);
/* Enable/disable panel power (0: full off). */
int (*setpower)(FAR struct fb_vtable_s *vtable, int power);
};
/****************************************************************************