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/*
* Freescale MXS PxP driver
*
* Author: Matt Porter <mporter@embeddedalley.com>
*
* Copyright 2008-2010 Freescale Semiconductor, Inc.
* Copyright 2008-2009 Embedded Alley Solutions, Inc All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef CONFIG_ARCH_MX23
#define BF_PXP_CTRL_OUTBUF_FORMAT(v) BF_PXP_CTRL_OUTPUT_RGB_FORMAT(v)
#define BV_PXP_CTRL_OUTBUF_FORMAT__ARGB8888 \
BV_PXP_CTRL_OUTPUT_RGB_FORMAT__ARGB8888
#define BV_PXP_CTRL_OUTBUF_FORMAT__RGB888 \
BV_PXP_CTRL_OUTPUT_RGB_FORMAT__RGB888
#define BV_PXP_CTRL_OUTBUF_FORMAT__RGB888P \
BV_PXP_CTRL_OUTPUT_RGB_FORMAT__RGB888P
#define BV_PXP_CTRL_OUTBUF_FORMAT__ARGB1555 \
BV_PXP_CTRL_OUTPUT_RGB_FORMAT__ARGB1555
#define BV_PXP_CTRL_OUTBUF_FORMAT__RGB565 \
BV_PXP_CTRL_OUTPUT_RGB_FORMAT__RGB565
#define BV_PXP_CTRL_OUTBUF_FORMAT__RGB555 \
BV_PXP_CTRL_OUTPUT_RGB_FORMAT__RGB555
#define BF_PXP_OUTSIZE_WIDTH(v) BF_PXP_RGBSIZE_WIDTH(v)
#define BF_PXP_OUTSIZE_HEIGHT(v) BF_PXP_RGBSIZE_HEIGHT(v)
/* The maximum down scaling factor is 1/2 */
#define PXP_DOWNSCALE_THRESHOLD 0x2000
#else
/* The maximum down scaling factor is 1/4 */
#define PXP_DOWNSCALE_THRESHOLD 0x4000
#endif
struct pxp_overlay_registers {
u32 ol;
u32 olsize;
u32 olparam;
u32 olparam2;
};
/* Registers feed for PXP_NEXT */
struct pxp_registers {
u32 ctrl;
u32 outbuf;
u32 outbuf2;
u32 outsize;
u32 s0buf;
u32 s0ubuf;
u32 s0vbuf;
u32 s0param;
u32 s0background;
u32 s0crop;
u32 s0scale;
u32 s0offset;
u32 s0colorkeylow;
u32 s0colorkeyhigh;
u32 olcolorkeylow;
u32 olcolorkeyhigh;
struct pxp_overlay_registers ol0;
struct pxp_overlay_registers ol1;
struct pxp_overlay_registers ol2;
struct pxp_overlay_registers ol3;
struct pxp_overlay_registers ol4;
struct pxp_overlay_registers ol5;
struct pxp_overlay_registers ol6;
struct pxp_overlay_registers ol7;
};
struct pxp_buffer {
/* Must be first! */
struct videobuf_buffer vb;
struct list_head queue;
};
struct pxps {
struct platform_device *pdev;
struct resource *res;
int irq;
void __iomem *regs;
struct work_struct work;
struct workqueue_struct *workqueue;
spinlock_t lock;
struct mutex mutex;
int users;
struct video_device *vdev;
struct videobuf_queue s0_vbq;
struct videobuf_buffer *active;
struct list_head outq;
struct list_head nextq;
int output;
u32 *outb;
dma_addr_t outb_phys;
/* Current S0 configuration */
struct pxp_data_format *s0_fmt;
u32 s0_width;
u32 s0_height;
u32 s0_bgcolor;
u32 s0_chromakey;
struct v4l2_framebuffer fb;
struct v4l2_rect drect;
struct v4l2_rect srect;
/* Transformation support */
int scaling;
int hflip;
int vflip;
int rotate;
int yuv;
/* Output overlay support */
int overlay_state;
int global_alpha_state;
u8 global_alpha;
int local_alpha_state;
int s1_chromakey_state;
u32 s1_chromakey;
/* PXP_NEXT */
u32 regs_phys;
struct pxp_registers *regs_virt;
wait_queue_head_t done;
int next_queue_ended;
};
struct pxp_data_format {
char *name;
unsigned int bpp;
u32 fourcc;
enum v4l2_colorspace colorspace;
u32 ctrl_s0_fmt;
};
extern int mxsfb_get_info(struct fb_var_screeninfo *var,
struct fb_fix_screeninfo *fix);
extern void mxsfb_cfg_pxp(int enable, dma_addr_t pxp_phys);
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