From fe6aa21e9eb88f49005863efd2003d0982920048 Mon Sep 17 00:00:00 2001 From: Aidan MacDonald Date: Mon, 3 Oct 2022 10:17:41 +0100 Subject: Remove YUV blitting functions and LCD modes None of this is needed now that mpegplayer is gone. Change-Id: I360366db8513e4d988021e8d7b7d8eb09930efb8 --- firmware/target/arm/ipod/lcd-color_nano.c | 56 ------------------------------- 1 file changed, 56 deletions(-) (limited to 'firmware/target/arm/ipod/lcd-color_nano.c') diff --git a/firmware/target/arm/ipod/lcd-color_nano.c b/firmware/target/arm/ipod/lcd-color_nano.c index 67d26aa862..71ae22cb23 100644 --- a/firmware/target/arm/ipod/lcd-color_nano.c +++ b/firmware/target/arm/ipod/lcd-color_nano.c @@ -202,62 +202,6 @@ static void lcd_setup_drawing_region(int x, int y, int width, int height) } } -/* Line write helper function for lcd_yuv_blit. Writes two lines of yuv420. */ -extern void lcd_write_yuv420_lines(unsigned char const * const src[3], - const unsigned int lcd_baseadress, - int width, - int stride); - -/* Performance function to blit a YUV bitmap directly to the LCD */ -void lcd_blit_yuv(unsigned char * const src[3], - int src_x, int src_y, int stride, - int x, int y, int width, int height) -{ - int z; - unsigned char const * yuv_src[3]; - - width = (width + 1) & ~1; /* ensure width is even */ - height = (height + 1) & ~1; /* ensure height is even */ - - lcd_setup_drawing_region(x, y, width, height); - - z = stride * src_y; - yuv_src[0] = src[0] + z + src_x; - yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1); - yuv_src[2] = src[2] + (yuv_src[1] - src[1]); - - while (height > 0) { - int r, h, pixels_to_write; - - pixels_to_write = (width * height) * 2; - h = height; - - /* calculate how much we can do in one go */ - if (pixels_to_write > 0x10000) { - h = ((0x10000/2) / width) & ~1; /* ensure h is even */ - pixels_to_write = (width * h) * 2; - } - - LCD2_BLOCK_CTRL = 0x10000080; - LCD2_BLOCK_CONFIG = 0xc0010000 | (pixels_to_write - 1); - LCD2_BLOCK_CTRL = 0x34000000; - - r = h>>1; /* lcd_write_yuv420_lines writes two lines at once */ - do { - lcd_write_yuv420_lines(yuv_src, LCD2_BASE, width, stride); - yuv_src[0] += stride << 1; - yuv_src[1] += stride >> 1; - yuv_src[2] += stride >> 1; - } while (--r > 0); - - /* transfer of pixels_to_write bytes finished */ - while (!(LCD2_BLOCK_CTRL & LCD2_BLOCK_READY)); - LCD2_BLOCK_CONFIG = 0; - - height -= h; - } -} - /* Helper function writes 'count' consecutive pixels from src to LCD IF */ static void lcd_write_line(int count, unsigned long *src) { -- cgit v1.2.3