dd210503b7
Currently the sh_mobile_lcdc driver only reconfigures the hardware interface, when a new monitor is plugged in. This patch adds support for dynamic framebuffer reconfiguration, when no user is holding the framebuffer device node open. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
42 lines
1 KiB
C
42 lines
1 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, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR,
|
|
LDHAJR,
|
|
NR_CH_REGS };
|
|
|
|
#define PALETTE_NR 16
|
|
|
|
struct sh_mobile_lcdc_priv;
|
|
struct fb_info;
|
|
|
|
struct sh_mobile_lcdc_chan {
|
|
struct sh_mobile_lcdc_priv *lcdc;
|
|
unsigned long *reg_offs;
|
|
unsigned long ldmt1r_value;
|
|
unsigned long enabled; /* ME and SE in LDCNT2R */
|
|
struct sh_mobile_lcdc_chan_cfg cfg;
|
|
u32 pseudo_palette[PALETTE_NR];
|
|
unsigned long saved_ch_regs[NR_CH_REGS];
|
|
struct fb_info *info;
|
|
dma_addr_t dma_handle;
|
|
struct fb_deferred_io defio;
|
|
struct scatterlist *sglist;
|
|
unsigned long frame_end;
|
|
unsigned long pan_offset;
|
|
wait_queue_head_t frame_end_wait;
|
|
struct completion vsync_completion;
|
|
struct fb_var_screeninfo display_var;
|
|
int use_count;
|
|
struct mutex open_lock; /* protects the use counter */
|
|
};
|
|
|
|
#endif
|