video: arm: rpi: Move the video settings out of the driver

Add a function to set the video parameters to the msg handler and remove
it from the video driver.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>

1 files changed, 10 insertions, 58 deletions

diff --git a/drivers/video/bcm2835.c b/drivers/video/bcm2835.c
index eb137be..cd15f7f 100644
--- a/drivers/video/bcm2835.c
+++ b/drivers/video/bcm2835.c
@@ -17,28 +17,13 @@ DECLARE_GLOBAL_DATA_PTR;
 /* Global variables that lcd.c expects to exist */
 vidinfo_t panel_info;
 
-static u32 bcm2835_pitch;
-
-struct msg_setup {
-	struct bcm2835_mbox_hdr hdr;
-	struct bcm2835_mbox_tag_physical_w_h physical_w_h;
-	struct bcm2835_mbox_tag_virtual_w_h virtual_w_h;
-	struct bcm2835_mbox_tag_depth depth;
-	struct bcm2835_mbox_tag_pixel_order pixel_order;
-	struct bcm2835_mbox_tag_alpha_mode alpha_mode;
-	struct bcm2835_mbox_tag_virtual_offset virtual_offset;
-	struct bcm2835_mbox_tag_overscan overscan;
-	struct bcm2835_mbox_tag_allocate_buffer allocate_buffer;
-	struct bcm2835_mbox_tag_pitch pitch;
-	u32 end_tag;
-};
+static int bcm2835_pitch;
 
 void lcd_ctrl_init(void *lcdbase)
 {
-	ALLOC_CACHE_ALIGN_BUFFER(struct msg_setup, msg_setup, 1);
 	int ret;
 	int w, h;
-	u32 fb_start, fb_end;
+	ulong fb_base, fb_size, fb_start, fb_end;
 
 	debug("bcm2835: Query resolution...\n");
 	ret = bcm2835_get_video_size(&w, &h);
@@ -48,42 +33,9 @@ void lcd_ctrl_init(void *lcdbase)
 	}
 
 	debug("bcm2835: Setting up display for %d x %d\n", w, h);
-
-	BCM2835_MBOX_INIT_HDR(msg_setup);
-	BCM2835_MBOX_INIT_TAG(&msg_setup->physical_w_h, SET_PHYSICAL_W_H);
-	msg_setup->physical_w_h.body.req.width = w;
-	msg_setup->physical_w_h.body.req.height = h;
-	BCM2835_MBOX_INIT_TAG(&msg_setup->virtual_w_h, SET_VIRTUAL_W_H);
-	msg_setup->virtual_w_h.body.req.width = w;
-	msg_setup->virtual_w_h.body.req.height = h;
-	BCM2835_MBOX_INIT_TAG(&msg_setup->depth, SET_DEPTH);
-	msg_setup->depth.body.req.bpp = 32;
-	BCM2835_MBOX_INIT_TAG(&msg_setup->pixel_order, SET_PIXEL_ORDER);
-	msg_setup->pixel_order.body.req.order = BCM2835_MBOX_PIXEL_ORDER_RGB;
-	BCM2835_MBOX_INIT_TAG(&msg_setup->alpha_mode, SET_ALPHA_MODE);
-	msg_setup->alpha_mode.body.req.alpha = BCM2835_MBOX_ALPHA_MODE_IGNORED;
-	BCM2835_MBOX_INIT_TAG(&msg_setup->virtual_offset, SET_VIRTUAL_OFFSET);
-	msg_setup->virtual_offset.body.req.x = 0;
-	msg_setup->virtual_offset.body.req.y = 0;
-	BCM2835_MBOX_INIT_TAG(&msg_setup->overscan, SET_OVERSCAN);
-	msg_setup->overscan.body.req.top = 0;
-	msg_setup->overscan.body.req.bottom = 0;
-	msg_setup->overscan.body.req.left = 0;
-	msg_setup->overscan.body.req.right = 0;
-	BCM2835_MBOX_INIT_TAG(&msg_setup->allocate_buffer, ALLOCATE_BUFFER);
-	msg_setup->allocate_buffer.body.req.alignment = 0x100;
-	BCM2835_MBOX_INIT_TAG_NO_REQ(&msg_setup->pitch, GET_PITCH);
-
-	ret = bcm2835_mbox_call_prop(BCM2835_MBOX_PROP_CHAN, &msg_setup->hdr);
-	if (ret) {
-		printf("bcm2835: Could not configure display\n");
-		/* FIXME: How to disable the LCD to prevent errors? hang()? */
-		return;
-	}
-
-	w = msg_setup->physical_w_h.body.resp.width;
-	h = msg_setup->physical_w_h.body.resp.height;
-	bcm2835_pitch = msg_setup->pitch.body.resp.pitch;
+	ret = bcm2835_set_video_params(&w, &h, 32, BCM2835_MBOX_PIXEL_ORDER_RGB,
+				       BCM2835_MBOX_ALPHA_MODE_IGNORED,
+				       &fb_base, &fb_size, &bcm2835_pitch);
 
 	debug("bcm2835: Final resolution is %d x %d\n", w, h);
 
@@ -91,15 +43,14 @@ void lcd_ctrl_init(void *lcdbase)
 	panel_info.vl_row = h;
 	panel_info.vl_bpix = LCD_COLOR32;
 
-	gd->fb_base = bus_to_phys(
-		msg_setup->allocate_buffer.body.resp.fb_address);
+	gd->fb_base = fb_base;
 
 	/* Enable dcache for the frame buffer */
-	fb_start = gd->fb_base & ~(MMU_SECTION_SIZE - 1);
-	fb_end = gd->fb_base + msg_setup->allocate_buffer.body.resp.fb_size;
+	fb_start = fb_base & ~(MMU_SECTION_SIZE - 1);
+	fb_end = fb_base + fb_size;
 	fb_end = ALIGN(fb_end, 1 << MMU_SECTION_SHIFT);
 	mmu_set_region_dcache_behaviour(fb_start, fb_end - fb_start,
-		DCACHE_WRITEBACK);
+					DCACHE_WRITEBACK);
 	lcd_set_flush_dcache(1);
 }
 
@@ -110,5 +61,6 @@ void lcd_enable(void)
 int lcd_get_size(int *line_length)
 {
 	*line_length = bcm2835_pitch;
+
 	return *line_length * panel_info.vl_row;
 }