diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-09-11 22:59:04 +0200 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2012-03-12 22:40:45 +0100 |
| commit | 9a2985e7f943678154f5761dad753f1987c2fdd0 (patch) | |
| tree | d0c767e82624c283526d35b5dd786149cf5bdc7e /drivers/video | |
| parent | 732bbcc46c31dea5bb6dd27de331d8767e9e8530 (diff) | |
fbdev: sh_mobile_lcdc: Handle HDMI/MIPI transmitter device directly
Pass a pointer to the transmitter device through platform data, retrieve
the corresponding sh_mobile_lcdc_entity structure in the probe method
and call the transmitter display_on/off methods directly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/sh_mobile_lcdcfb.c | 31 | ||||
| -rw-r--r-- | drivers/video/sh_mobile_lcdcfb.h | 2 |
2 files changed, 28 insertions, 5 deletions
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index bd725a421921..a2e0903466b3 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -339,6 +339,11 @@ static void sh_mobile_lcdc_display_on(struct sh_mobile_lcdc_chan *ch) { struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg; + if (ch->tx_dev) { + if (ch->tx_dev->ops->display_on(ch->tx_dev, ch->info) < 0) + return; + } + /* HDMI must be enabled before LCDC configuration */ if (board_cfg->display_on && try_module_get(board_cfg->owner)) { board_cfg->display_on(board_cfg->board_data, ch->info); @@ -354,6 +359,9 @@ static void sh_mobile_lcdc_display_off(struct sh_mobile_lcdc_chan *ch) board_cfg->display_off(board_cfg->board_data); module_put(board_cfg->owner); } + + if (ch->tx_dev) + ch->tx_dev->ops->display_off(ch->tx_dev); } /* ----------------------------------------------------------------------------- @@ -1490,18 +1498,21 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev) sh_mobile_lcdc_stop(priv); for (i = 0; i < ARRAY_SIZE(priv->ch); i++) { - info = priv->ch[i].info; + struct sh_mobile_lcdc_chan *ch = &priv->ch[i]; + info = ch->info; if (!info || !info->device) continue; - if (priv->ch[i].sglist) - vfree(priv->ch[i].sglist); + if (ch->tx_dev) + module_put(ch->cfg.tx_dev->dev.driver->owner); + + if (ch->sglist) + vfree(ch->sglist); if (info->screen_base) dma_free_coherent(&pdev->dev, info->fix.smem_len, - info->screen_base, - priv->ch[i].dma_handle); + info->screen_base, ch->dma_handle); fb_dealloc_cmap(&info->cmap); framebuffer_release(info); } @@ -1595,6 +1606,16 @@ sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_priv *priv, info->pseudo_palette = &ch->pseudo_palette; info->flags = FBINFO_FLAG_DEFAULT; + if (cfg->tx_dev) { + if (!cfg->tx_dev->dev.driver || + !try_module_get(cfg->tx_dev->dev.driver->owner)) { + dev_warn(priv->dev, + "unable to get transmitter device\n"); + return -EINVAL; + } + ch->tx_dev = platform_get_drvdata(cfg->tx_dev); + } + /* Iterate through the modes to validate them and find the highest * resolution. */ diff --git a/drivers/video/sh_mobile_lcdcfb.h b/drivers/video/sh_mobile_lcdcfb.h index d79e5aa39b74..9601b929a40c 100644 --- a/drivers/video/sh_mobile_lcdcfb.h +++ b/drivers/video/sh_mobile_lcdcfb.h @@ -41,6 +41,8 @@ struct sh_mobile_lcdc_entity { */ struct sh_mobile_lcdc_chan { struct sh_mobile_lcdc_priv *lcdc; + struct sh_mobile_lcdc_entity *tx_dev; + unsigned long *reg_offs; unsigned long ldmt1r_value; unsigned long enabled; /* ME and SE in LDCNT2R */ |