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>
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index bd725a4..a2e0903 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -339,6 +339,11 @@
{
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 @@
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 @@
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 @@
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.
*/
