mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-30 08:02:30 +00:00
72c04af9a2
When using the MERAM the LCDC line size needs to be programmed with a MERAM-specific value different than the real frame buffer pitch. Fix it. Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: stable@vger.kernel.org # for 3.4 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
#ifndef SH_MOBILE_LCDCFB_H
|
|
#define SH_MOBILE_LCDCFB_H
|
|
|
|
#include <linux/completion.h>
|
|
#include <linux/fb.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/wait.h>
|
|
|
|
/* per-channel registers */
|
|
enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R,
|
|
LDSM2R, LDSA1R, LDSA2R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR,
|
|
LDHAJR,
|
|
NR_CH_REGS };
|
|
|
|
#define PALETTE_NR 16
|
|
|
|
struct backlight_device;
|
|
struct fb_info;
|
|
struct module;
|
|
struct sh_mobile_lcdc_chan;
|
|
struct sh_mobile_lcdc_entity;
|
|
struct sh_mobile_lcdc_format_info;
|
|
struct sh_mobile_lcdc_priv;
|
|
|
|
#define SH_MOBILE_LCDC_DISPLAY_DISCONNECTED 0
|
|
#define SH_MOBILE_LCDC_DISPLAY_CONNECTED 1
|
|
|
|
struct sh_mobile_lcdc_entity_ops {
|
|
/* Display */
|
|
int (*display_on)(struct sh_mobile_lcdc_entity *entity);
|
|
void (*display_off)(struct sh_mobile_lcdc_entity *entity);
|
|
};
|
|
|
|
enum sh_mobile_lcdc_entity_event {
|
|
SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT,
|
|
SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT,
|
|
SH_MOBILE_LCDC_EVENT_DISPLAY_MODE,
|
|
};
|
|
|
|
struct sh_mobile_lcdc_entity {
|
|
struct module *owner;
|
|
const struct sh_mobile_lcdc_entity_ops *ops;
|
|
struct sh_mobile_lcdc_chan *lcdc;
|
|
struct fb_videomode def_mode;
|
|
};
|
|
|
|
/*
|
|
* struct sh_mobile_lcdc_chan - LCDC display channel
|
|
*
|
|
* @base_addr_y: Frame buffer viewport base address (luma component)
|
|
* @base_addr_c: Frame buffer viewport base address (chroma component)
|
|
* @pitch: Frame buffer line pitch
|
|
*/
|
|
struct sh_mobile_lcdc_chan {
|
|
struct sh_mobile_lcdc_priv *lcdc;
|
|
struct sh_mobile_lcdc_entity *tx_dev;
|
|
const struct sh_mobile_lcdc_chan_cfg *cfg;
|
|
|
|
unsigned long *reg_offs;
|
|
unsigned long ldmt1r_value;
|
|
unsigned long enabled; /* ME and SE in LDCNT2R */
|
|
void *meram;
|
|
|
|
struct mutex open_lock; /* protects the use counter */
|
|
int use_count;
|
|
|
|
void *fb_mem;
|
|
unsigned long fb_size;
|
|
|
|
dma_addr_t dma_handle;
|
|
unsigned long pan_offset;
|
|
|
|
unsigned long frame_end;
|
|
wait_queue_head_t frame_end_wait;
|
|
struct completion vsync_completion;
|
|
|
|
const struct sh_mobile_lcdc_format_info *format;
|
|
u32 colorspace;
|
|
unsigned int xres;
|
|
unsigned int xres_virtual;
|
|
unsigned int yres;
|
|
unsigned int yres_virtual;
|
|
unsigned int pitch;
|
|
|
|
unsigned long base_addr_y;
|
|
unsigned long base_addr_c;
|
|
unsigned int line_size;
|
|
|
|
int (*notify)(struct sh_mobile_lcdc_chan *ch,
|
|
enum sh_mobile_lcdc_entity_event event,
|
|
const struct fb_videomode *mode,
|
|
const struct fb_monspecs *monspec);
|
|
|
|
/* Backlight */
|
|
struct backlight_device *bl;
|
|
|
|
/* FB */
|
|
struct fb_info *info;
|
|
u32 pseudo_palette[PALETTE_NR];
|
|
struct {
|
|
unsigned int width;
|
|
unsigned int height;
|
|
struct fb_videomode mode;
|
|
} display;
|
|
struct fb_deferred_io defio;
|
|
struct scatterlist *sglist;
|
|
int blank_status;
|
|
};
|
|
|
|
#endif
|