From 453d0753de3538f439083dfac4070bb682954e6e Mon Sep 17 00:00:00 2001 From: Alison Wang Date: Fri, 21 Dec 2012 11:21:24 +0800 Subject: Add BPP ARGB8888 support for DCU driver Signed-off-by: Alison Wang --- drivers/video/mvf_dcu.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/video/mvf_dcu.c b/drivers/video/mvf_dcu.c index 829d9443f59a..bd392c6c85f6 100644 --- a/drivers/video/mvf_dcu.c +++ b/drivers/video/mvf_dcu.c @@ -107,6 +107,7 @@ struct mfb_info { struct dcu_layer_desc *layer_desc; int cursor_reset; unsigned char g_alpha; + unsigned char blend; unsigned int count; int x_layer_d; /* layer display x offset to physical screen */ int y_layer_d; /* layer display y offset to physical screen */ @@ -120,6 +121,7 @@ static struct mfb_info mfb_template[] = { .id = "Layer0", .registered = 0, .g_alpha = 0xff, + .blend = 0, .count = 0, .x_layer_d = 0, .y_layer_d = 0, @@ -130,6 +132,7 @@ static struct mfb_info mfb_template[] = { .id = "Layer1", .registered = 0, .g_alpha = 0xff, + .blend = 0, .count = 0, .x_layer_d = 50, .y_layer_d = 50, @@ -140,6 +143,7 @@ static struct mfb_info mfb_template[] = { .id = "Layer2", .registered = 0, .g_alpha = 0xff, + .blend = 0, .count = 0, .x_layer_d = 100, .y_layer_d = 100, @@ -150,6 +154,7 @@ static struct mfb_info mfb_template[] = { .id = "Layer3", .registered = 0, .g_alpha = 0xff, + .blend = 0, .count = 0, .x_layer_d = 150, .y_layer_d = 150, @@ -533,11 +538,21 @@ static int mvf_dcu_set_par(struct fb_info *info) layer_desc->posx = mfbi->x_layer_d; layer_desc->posy = mfbi->y_layer_d; - layer_desc->blend = 0x01; + switch (var->bits_per_pixel) { + case 24: + layer_desc->bpp = BPP_24; + break; + case 32: + layer_desc->bpp = BPP_32_ARGB8888; + break; + default: + printk(KERN_ERR "Unable to support other bpp now\n"); + } + + layer_desc->blend = mfbi->blend; layer_desc->chroma_key_en = 0; layer_desc->lut_offset = 0; layer_desc->rle_en = 0; - layer_desc->bpp = BPP_24; layer_desc->trans = mfbi->g_alpha; layer_desc->safety_en = 0; layer_desc->data_sel_clut = 0; @@ -700,6 +715,7 @@ static int mvf_dcu_ioctl(struct fb_info *info, unsigned int cmd, case MFB_SET_ALPHA: if (copy_from_user(&global_alpha, buf, sizeof(global_alpha))) return -EFAULT; + mfbi->blend = 1; mfbi->g_alpha = global_alpha; mvf_dcu_check_var(&info->var, info); mvf_dcu_set_par(info); -- cgit v1.2.3