diff options
| author | Jaya Kumar <jayakumar.lkml@gmail.com> | 2010-03-10 15:21:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-12 15:52:34 -0800 |
| commit | 2afb18981739a1426af2a6c952e03c5966b3dfc6 (patch) | |
| tree | fb1feeb9e7882a4810bf9088959e33a1148bc090 /include/video/broadsheetfb.h | |
| parent | e17cea3cece6d3ec47a5b358821505943abe6541 (diff) | |
| download | talos-obmc-linux-2afb18981739a1426af2a6c952e03c5966b3dfc6.tar.gz talos-obmc-linux-2afb18981739a1426af2a6c952e03c5966b3dfc6.zip | |
broadsheetfb: add MMIO hooks
Allow boards with GP-MMIO controllers to provide hooks to broadsheetfb in
order to offload cmd/data writes and data reads instead of relying only on
host based GPIO wiggling.
Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/video/broadsheetfb.h')
| -rw-r--r-- | include/video/broadsheetfb.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/include/video/broadsheetfb.h b/include/video/broadsheetfb.h index a2c2829ceb38..d65b6689e92c 100644 --- a/include/video/broadsheetfb.h +++ b/include/video/broadsheetfb.h @@ -34,6 +34,10 @@ #define BS_DC 0x02 #define BS_WR 0x03 +/* Broadsheet IO interface specific defines */ +#define BS_MMIO_CMD 0x01 +#define BS_MMIO_DATA 0x02 + /* struct used by broadsheet. board specific stuff comes from *board */ struct broadsheetfb_par { struct fb_info *info; @@ -49,12 +53,17 @@ struct broadsheet_board { struct module *owner; int (*init)(struct broadsheetfb_par *); int (*wait_for_rdy)(struct broadsheetfb_par *); - void (*set_ctl)(struct broadsheetfb_par *, unsigned char, u8); - void (*set_hdb)(struct broadsheetfb_par *, u16); - u16 (*get_hdb)(struct broadsheetfb_par *); void (*cleanup)(struct broadsheetfb_par *); int (*get_panel_type)(void); int (*setup_irq)(struct fb_info *); -}; + /* Functions for boards that use GPIO */ + void (*set_ctl)(struct broadsheetfb_par *, unsigned char, u8); + void (*set_hdb)(struct broadsheetfb_par *, u16); + u16 (*get_hdb)(struct broadsheetfb_par *); + + /* Functions for boards that have specialized MMIO */ + void (*mmio_write)(struct broadsheetfb_par *, int type, u16); + u16 (*mmio_read)(struct broadsheetfb_par *); +}; #endif |
