diff options
Diffstat (limited to 'drivers/media/video/mxs_pxp.h')
| -rw-r--r-- | drivers/media/video/mxs_pxp.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/drivers/media/video/mxs_pxp.h b/drivers/media/video/mxs_pxp.h new file mode 100644 index 000000000000..6538388fa4cd --- /dev/null +++ b/drivers/media/video/mxs_pxp.h @@ -0,0 +1,158 @@ +/* + * 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); |