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plat-omap
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vrfb.h

vrfb.h 2.3 KB
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  1. /*
    2. 

  2.  * VRFB Rotation Engine
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2009 Nokia Corporation
    5. 

  5.  * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
    6. 

  6.  *
    7. 

  7.  * This program is free software; you can redistribute it and/or modify
    8. 

  8.  * it under the terms of the GNU General Public License version 2 as
    9. 

  9.  * published by the Free Software Foundation.
    10. 

  10.  *
    11. 

  11.  * This program is distributed in the hope that it will be useful, but
    12. 

  12.  * WITHOUT ANY WARRANTY; without even the implied warranty of
    13. 

  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    14. 

  14.  * General Public License for more details.
    15. 

  15.  *
    16. 

  16.  * You should have received a copy of the GNU General Public License along
    17. 

  17.  * with this program; if not, write to the Free Software Foundation, Inc.,
    18. 

  18.  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
    19. 

  19.  */
    20. 

  20. 

  21. #ifndef __OMAP_VRFB_H__
    22. 

  22. #define __OMAP_VRFB_H__
    23. 

  23. 

  24. #define OMAP_VRFB_LINE_LEN 2048
    25. 

  25. 

  26. struct vrfb {
    27. 

  27. 	u8 context;
    28. 

  28. 	void __iomem *vaddr[4];
    29. 

  29. 	unsigned long paddr[4];
    30. 

  30. 	u16 xres;
    31. 

  31. 	u16 yres;
    32. 

  32. 	u16 xoffset;
    33. 

  33. 	u16 yoffset;
    34. 

  34. 	u8 bytespp;
    35. 

  35. 	bool yuv_mode;
    36. 

  36. };
    37. 

  37. 

  38. #ifdef CONFIG_OMAP2_VRFB
    39. 

  39. extern int omap_vrfb_request_ctx(struct vrfb *vrfb);
    40. 

  40. extern void omap_vrfb_release_ctx(struct vrfb *vrfb);
    41. 

  41. extern void omap_vrfb_adjust_size(u16 *width, u16 *height,
    42. 

  42. 		u8 bytespp);
    43. 

  43. extern u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp);
    44. 

  44. extern u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp);
    45. 

  45. extern void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
    46. 

  46. 		u16 width, u16 height,
    47. 

  47. 		unsigned bytespp, bool yuv_mode);
    48. 

  48. extern int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot);
    49. 

  49. extern void omap_vrfb_restore_context(void);
    50. 

  50. 

  51. #else
    52. 

  52. static inline int omap_vrfb_request_ctx(struct vrfb *vrfb) { return 0; }
    53. 

  53. static inline void omap_vrfb_release_ctx(struct vrfb *vrfb) {}
    54. 

  54. static inline void omap_vrfb_adjust_size(u16 *width, u16 *height,
    55. 

  55. 		u8 bytespp) {}
    56. 

  56. static inline u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp)
    57. 

  57. 		{ return 0; }
    58. 

  58. static inline u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp)
    59. 

  59. 		{ return 0; }
    60. 

  60. static inline void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
    61. 

  61. 		u16 width, u16 height, unsigned bytespp, bool yuv_mode) {}
    62. 

  62. static inline int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot)
    63. 

  63. 		{ return 0; }
    64. 

  64. static inline void omap_vrfb_restore_context(void) {}
    65. 

  65. #endif
    66. 

  66. #endif /* __VRFB_H */
    67. 

  67.