diff options
| author |   Magnus Damm <damm@opensource.se> | 2009-12-07 14:20:06 +0000 |
|---|---|---|
| committer |   Paul Mundt <lethal@linux-sh.org> | 2009-12-09 12:40:44 +0900 |
| commit | ef61aae4ddf1dbd0e9b6ad21e2e57632a8fe76f6 (patch) | |
| tree | 8e21c38842ffa6e5b05246376f68acb81f8294b0 | |
| parent | sh: NUMA lmb fixes (diff) | |
| download | wireguard-linux-ef61aae4ddf1dbd0e9b6ad21e2e57632a8fe76f6.tar.xz wireguard-linux-ef61aae4ddf1dbd0e9b6ad21e2e57632a8fe76f6.zip | |
sh: add a start_transfer() callback to the LCDC driver
This patch adds a ->start_transfer() callback to the
driver sh_mobile_lcdcfb.c. The callback is used to
program the LCDC panel in the case of one-shot mode.
Needed by the LCD controller used on the KFR2R09 board.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| -rw-r--r-- | drivers/video/sh_mobile_lcdcfb.c | 10 | ||||
| -rw-r--r-- | include/video/sh_mobile_lcdc.h | 2 |
2 files changed, 11 insertions, 1 deletions
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index b4b5de930cf5..d346bbab6cad 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -281,6 +281,7 @@ static void sh_mobile_lcdc_deferred_io(struct fb_info *info, struct list_head *pagelist) { struct sh_mobile_lcdc_chan *ch = info->par; + struct sh_mobile_lcdc_board_cfg *bcfg = &ch->cfg.board_cfg; /* enable clocks before accessing hardware */ sh_mobile_lcdc_clk_on(ch->lcdc); @@ -305,10 +306,17 @@ static void sh_mobile_lcdc_deferred_io(struct fb_info *info, /* trigger panel update */ dma_map_sg(info->dev, ch->sglist, nr_pages, DMA_TO_DEVICE); + if (bcfg->start_transfer) + bcfg->start_transfer(bcfg->board_data, ch, + &sh_mobile_lcdc_sys_bus_ops); lcdc_write_chan(ch, LDSM2R, 1); dma_unmap_sg(info->dev, ch->sglist, nr_pages, DMA_TO_DEVICE); - } else + } else { + if (bcfg->start_transfer) + bcfg->start_transfer(bcfg->board_data, ch, + &sh_mobile_lcdc_sys_bus_ops); lcdc_write_chan(ch, LDSM2R, 1); + } } static void sh_mobile_lcdc_deferred_io_touch(struct fb_info *info) diff --git a/include/video/sh_mobile_lcdc.h b/include/video/sh_mobile_lcdc.h index 25144ab22b95..288205457713 100644 --- a/include/video/sh_mobile_lcdc.h +++ b/include/video/sh_mobile_lcdc.h @@ -50,6 +50,8 @@ struct sh_mobile_lcdc_board_cfg { void *board_data; int (*setup_sys)(void *board_data, void *sys_ops_handle, struct sh_mobile_lcdc_sys_bus_ops *sys_ops); + void (*start_transfer)(void *board_data, void *sys_ops_handle, + struct sh_mobile_lcdc_sys_bus_ops *sys_ops); void (*display_on)(void *board_data); void (*display_off)(void *board_data); }; |