cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sh_mobile_lcdcfb.h (2620B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef SH_MOBILE_LCDCFB_H
      3#define SH_MOBILE_LCDCFB_H
      4
      5#include <linux/completion.h>
      6#include <linux/fb.h>
      7#include <linux/mutex.h>
      8#include <linux/wait.h>
      9
     10/* per-channel registers */
     11enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R,
     12       LDSM2R, LDSA1R, LDSA2R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR,
     13       LDHAJR,
     14       NR_CH_REGS };
     15
     16#define PALETTE_NR 16
     17
     18struct backlight_device;
     19struct fb_info;
     20struct module;
     21struct sh_mobile_lcdc_chan;
     22struct sh_mobile_lcdc_entity;
     23struct sh_mobile_lcdc_format_info;
     24struct sh_mobile_lcdc_priv;
     25
     26#define SH_MOBILE_LCDC_DISPLAY_DISCONNECTED	0
     27#define SH_MOBILE_LCDC_DISPLAY_CONNECTED	1
     28
     29struct sh_mobile_lcdc_entity_ops {
     30	/* Display */
     31	int (*display_on)(struct sh_mobile_lcdc_entity *entity);
     32	void (*display_off)(struct sh_mobile_lcdc_entity *entity);
     33};
     34
     35enum sh_mobile_lcdc_entity_event {
     36	SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT,
     37	SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT,
     38	SH_MOBILE_LCDC_EVENT_DISPLAY_MODE,
     39};
     40
     41struct sh_mobile_lcdc_entity {
     42	struct module *owner;
     43	const struct sh_mobile_lcdc_entity_ops *ops;
     44	struct sh_mobile_lcdc_chan *lcdc;
     45	struct fb_videomode def_mode;
     46};
     47
     48/*
     49 * struct sh_mobile_lcdc_chan - LCDC display channel
     50 *
     51 * @pan_y_offset: Panning linear offset in bytes (luma component)
     52 * @base_addr_y: Frame buffer viewport base address (luma component)
     53 * @base_addr_c: Frame buffer viewport base address (chroma component)
     54 * @pitch: Frame buffer line pitch
     55 */
     56struct sh_mobile_lcdc_chan {
     57	struct sh_mobile_lcdc_priv *lcdc;
     58	struct sh_mobile_lcdc_entity *tx_dev;
     59	const struct sh_mobile_lcdc_chan_cfg *cfg;
     60
     61	unsigned long *reg_offs;
     62	unsigned long ldmt1r_value;
     63	unsigned long enabled; /* ME and SE in LDCNT2R */
     64
     65	struct mutex open_lock;		/* protects the use counter */
     66	int use_count;
     67
     68	void *fb_mem;
     69	unsigned long fb_size;
     70
     71	dma_addr_t dma_handle;
     72	unsigned long pan_y_offset;
     73
     74	unsigned long frame_end;
     75	wait_queue_head_t frame_end_wait;
     76	struct completion vsync_completion;
     77
     78	const struct sh_mobile_lcdc_format_info *format;
     79	u32 colorspace;
     80	unsigned int xres;
     81	unsigned int xres_virtual;
     82	unsigned int yres;
     83	unsigned int yres_virtual;
     84	unsigned int pitch;
     85
     86	unsigned long base_addr_y;
     87	unsigned long base_addr_c;
     88	unsigned int line_size;
     89
     90	/* Backlight */
     91	struct backlight_device *bl;
     92	unsigned int bl_brightness;
     93
     94	/* FB */
     95	struct fb_info *info;
     96	u32 pseudo_palette[PALETTE_NR];
     97	struct {
     98		unsigned int width;
     99		unsigned int height;
    100		struct fb_videomode mode;
    101	} display;
    102	struct fb_deferred_io defio;
    103	struct scatterlist *sglist;
    104	int blank_status;
    105};
    106
    107#endif