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/* -*- pse-c -*-
*----------------------------------------------------------------------------
* Filename: ovl_tnc_cache.h
* $Revision: 1.2 $
*-----------------------------------------------------------------------------
* Copyright © 2002-2010, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*-----------------------------------------------------------------------------
* Description:
* This is the internal header file for overlay caching. It should be not be
* by any other module besides the overlay module itself.
*-----------------------------------------------------------------------------
*/
#ifndef _OVL_TNC_CACHE_H
#define _OVL_TNC_CACHE_H
#include <rb.h>
#include "ovl_regs_tnc.h"
#include "ovl2_regs_tnc.h"
/* Turns the overlay cache on and off. */
#define OVL_TNC_CACHE_QUICK_SWAP
/*
* In order to cache the overlay registers we need a structure
* that defines and wraps them. We already have one for the primary
* display, called ovl_reg_image_tnc_t.
* Here we define a structure for the secondary display
*/
typedef struct _ovl2_reg_tnc_cache{
unsigned long control;
unsigned long start;
unsigned long plane_control;
unsigned long plane_start;
unsigned long linear_offset;
unsigned long tiled_offset;
unsigned long pitch;
unsigned long dest_rect_x1y1;
unsigned long dest_rect_w_h;
unsigned long cont_bright;
unsigned long satn_hue;
unsigned long gamma_regs[OVL2_TOTAL_GAMMA_REG];
unsigned long colorkey_hw;
unsigned long colorkey_mask;
unsigned long ckey_high;
unsigned long ckey_low;
unsigned long ckey_enable;
} ovl2_reg_tnc_cache_t;
#define MMIO_OFFSET_TNC2_CONTROL 0x72180
#define MMIO_OFFSET_TNC2_LINEAR_OFF 0x72184
#define MMIO_OFFSET_TNC2_PITCH 0x72188
#define MMIO_OFFSET_TNC2_DEST_RECT_X1Y1 0x7218C
#define MMIO_OFFSET_TNC2_DEST_RECT_W_H 0x72190
#define MMIO_OFFSET_TNC2_CKEY_LOW 0x72194
#define MMIO_OFFSET_TNC2_CKEY_ENABLE 0x72198
#define MMIO_OFFSET_TNC2_SURF_ADDR 0x7219C
#define MMIO_OFFSET_TNC2_CKEY_HIGH 0x721A0
#define MMIO_OFFSET_TNC2_DSPC_TILE_OFF 0x721A4
#define MMIO_OFFSET_TNC2_CONT_BRIGHT 0x721D0
#define MMIO_OFFSET_TNC2_SATN_HUE 0x721D4
#define MMIO_OFFSET_TNC2_COLORKEY_HW 0x14
#define MMIO_OFFSET_TNC2_COLORKEY_MASK 0x18
/*
* This stucture caches the overlay state, so we don't have to
* re-program everything for every single frame
*/
typedef struct _ovl_tnc_cache {
igd_surface_t src_surf;
igd_rect_t src_rect;
igd_rect_t dest_rect;
igd_ovl_info_t ovl_info;
unsigned long flags;
ovl_reg_image_tnc_t ovl_regs;
ovl2_reg_tnc_cache_t ovl2_regs;
} ovl_tnc_cache_t, *povl_tnc_cache_t;
/* Flags for things that might have changed in the cache */
#define IGD_OVL_TNC_UPDATE_DEST (1 << 0)
#define IGD_OVL_TNC_UPDATE_SRC (1 << 1)
#define IGD_OVL_TNC_UPDATE_SURF (1 << 2)
#define IGD_OVL_TNC_UPDATE_INFO (1 << 3)
#define IGD_OVL_TNC_UPDATE_FLAGS (1 << 4)
#define IGD_OVL_TNC_UPDATE_VQ (1 << 5)
#define IGD_OVL_TNC_UPDATE_GAMMA (1 << 6)
#define IGD_OVL_TNC_UPDATE_COLORKEY (1 << 7)
/*
* Caching helper functions. Implemented in ovl_tnc.c, but used by
* the ovl2 and micro_ovl modules as well.
*/
/* Tells if a rectangle has changed */
int is_changed_rect(igd_rect_t *old_rect, igd_rect_t *new_rect);
/* Tells if a surface has changed */
int is_changed_surf(igd_surface_t *old_surf, igd_surface_t *new_surf);
/* Tells if the color key has changed */
int is_changed_color_key(igd_ovl_info_t *old_info, igd_ovl_info_t *new_info);
/* Tells if the video quality has changed */
int is_changed_vq(igd_ovl_info_t *old_info, igd_ovl_info_t *new_info);
/* Tells if the gamma has changed */
int is_changed_gamma(igd_ovl_info_t *old_info, igd_ovl_info_t *new_info);
/* Copies a source rectangle to the cache */
void copy_src_rect_tnc(igd_rect_t *src_rect, povl_tnc_cache_t ovl_cache);
/* Copies a dest rectangle to the cache */
void copy_dest_rect_tnc( igd_rect_t *dest_rect, povl_tnc_cache_t ovl_cache);
/* Copies a surface to the cache */
void copy_surf_tnc(igd_surface_t *src_surf, povl_tnc_cache_t ovl_cache);
/* Copies the color key to the cache */
void copy_color_key_tnc( igd_ovl_info_t *ovl_info, povl_tnc_cache_t ovl_cache);
/* Copies the video quality info to the cache */
void copy_vq_tnc(igd_ovl_info_t *ovl_info, povl_tnc_cache_t ovl_cache);
/* Copies the gamma to the cache */
void copy_gamma_tnc(igd_ovl_info_t *ovl_info, povl_tnc_cache_t ovl_cache);
/* Checks to see what, if anything has changed.
* Clears bits in the command and config register that are invalid.
* Returns a set of flags telling what changed */
unsigned int get_cache_changes_tnc(
igd_surface_t *src_surf,
igd_rect_t *src_rect,
igd_rect_t *dest_rect,
igd_ovl_info_t *ovl_info,
unsigned int flags,
povl_tnc_cache_t ovl_cache);
#endif /* _OVL_TNC_CACHE_H */
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