From 88baa4d4c7c14c053998cb302e327920ac118256 Mon Sep 17 00:00:00 2001 From: Marcin Bukat Date: Fri, 30 Apr 2010 14:13:52 +0000 Subject: HD200 - implement blit functions git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25767 a1c6a512-1295-4272-9138-f99709370657 --- apps/plugins/test_scanrate.c | 3 + firmware/target/coldfire/mpio/hd200/lcd-as-hd200.S | 76 ++++++++++++++++++++++ firmware/target/coldfire/mpio/hd200/lcd-hd200.c | 60 +++++++++++------ 3 files changed, 120 insertions(+), 19 deletions(-) diff --git a/apps/plugins/test_scanrate.c b/apps/plugins/test_scanrate.c index fb59193272..1aa9febf30 100644 --- a/apps/plugins/test_scanrate.c +++ b/apps/plugins/test_scanrate.c @@ -89,6 +89,9 @@ PLUGIN_HEADER #define DEFAULT_SCAN_RATE 1500 #define HORIZ_SCAN /* LCD controller updates the panel sideways */ #define NEED_BOOST +#elif defined MPIO_HD200 +#define DEFAULT_SCAN_RATE 1460 +#define NEED_BOOST #elif defined IAUDIO_M5 #define DEFAULT_SCAN_RATE 730 #elif defined IPOD_1G2G diff --git a/firmware/target/coldfire/mpio/hd200/lcd-as-hd200.S b/firmware/target/coldfire/mpio/hd200/lcd-as-hd200.S index add9f694de..9d23d18e2d 100644 --- a/firmware/target/coldfire/mpio/hd200/lcd-as-hd200.S +++ b/firmware/target/coldfire/mpio/hd200/lcd-as-hd200.S @@ -8,6 +8,7 @@ * $Id:$ * * Copyright (C) 2010 Marcin Bukat + * based on lcd-as-m3.S by Jens Arnold * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -99,5 +100,80 @@ lcd_write_data: .write_end: rts +.wd_end: .size lcd_write_data,.wd_end-lcd_write_data + .global lcd_mono_data + .type lcd_mono_data, @function + +lcd_mono_data: + move.l (4, %sp), %a0 /* p_bytes */ + move.l (8, %sp), %d0 /* count */ + lea.l LCD_BASE_ADDRESS+2, %a1 /* LCD data port address */ + +.md_loop: + move.b (%a0)+, %d1 + move.w %d1, (%a1) /* byte transfers actually */ + move.w %d1, (%a1) + subq.l #1, %d0 + bne.s .md_loop + rts +.md_end: + .size lcd_mono_data,.md_end-lcd_mono_data + + .global lcd_grey_data + .type lcd_grey_data,@function + +lcd_grey_data: + lea.l (-2*4, %sp), %sp + movem.l %a2-%a3, (%sp) + movem.l (2*4+4, %sp), %a0-%a2 /* values, phases, length */ + add.l %a2, %a2 + lea.l (%a1, %a2.l*4), %a2 /* end address */ + lea.l LCD_BASE_ADDRESS+2, %a3 /* LCD data port address */ +.ph_loop: + clr.l %d1 + move.l (%a1), %d0 /* fetch 4 pixel phases */ + bclr.l #31, %d0 /* Z = !(p0 & 0x80); p0 &= ~0x80; */ + seq.b %d1 /* %d1 = ........................00000000 */ + lsl.l #1, %d1 /* %d1 = .......................00000000. */ + bclr.l #23, %d0 /* Z = !(p1 & 0x80); p1 &= ~0x80; */ + seq.b %d1 /* %d1 = .......................011111111 */ + lsl.l #1, %d1 /* %d1 = ......................011111111. */ + bclr.l #15, %d0 /* Z = !(p2 & 0x80); p2 &= ~0x80; */ + seq.b %d1 /* %d1 = ......................0122222222 */ + lsl.l #1, %d1 /* %d1 = .....................0122222222. */ + bclr.l #7, %d0 /* Z = !(p3 & 0x80); p3 &= ~0x80; */ + seq.b %d1 /* %d1 = .....................01233333333 */ + lsl.l #1, %d1 /* %d1 = ....................01233333333. */ + add.l (%a0)+, %d0 /* add 4 pixel values to the phases */ + move.l %d0, (%a1)+ /* store new phases, advance pointer */ + + clr.l %d1 + move.l (%a1), %d0 /* fetch 4 pixel phases */ + bclr.l #31, %d0 /* Z = !(p0 & 0x80); p0 &= ~0x80; */ + seq.b %d1 /* %d1 = ....................012344444444 */ + lsl.l #1, %d1 /* %d1 = ...................012344444444. */ + bclr.l #23, %d0 /* Z = !(p1 & 0x80); p1 &= ~0x80; */ + seq.b %d1 /* %d1 = ...................0123455555555 */ + lsl.l #1, %d1 /* %d1 = ..................0123455555555. */ + bclr.l #15, %d0 /* Z = !(p2 & 0x80); p2 &= ~0x80; */ + seq.b %d1 /* %d1 = ..................01234566666666 */ + lsl.l #1, %d1 /* %d1 = .................01234566666666. */ + bclr.l #7, %d0 /* Z = !(p3 & 0x80); p3 &= ~0x80; */ + seq.b %d1 /* %d1 = .................012345677777777 */ + lsr.l #7, %d1 /* %d1 = ........................01234567 */ + add.l (%a0)+, %d0 /* add 4 pixel values to the phases */ + move.l %d0, (%a1)+ /* store new phases, advance pointer */ + + move.w %d1, (%a3) /* transfer to lcd */ + move.w %d1, (%a3) /* transfer to lcd */ + + cmp.l %a2, %a1 + bls .ph_loop + + movem.l (%sp), %a2-%a3 + lea.l (2*4, %sp), %sp + rts +.grey_end: + .size lcd_grey_data,.grey_end-lcd_grey_data diff --git a/firmware/target/coldfire/mpio/hd200/lcd-hd200.c b/firmware/target/coldfire/mpio/hd200/lcd-hd200.c index 8cb9e8e087..f3e9eef03b 100644 --- a/firmware/target/coldfire/mpio/hd200/lcd-hd200.c +++ b/firmware/target/coldfire/mpio/hd200/lcd-hd200.c @@ -215,27 +215,49 @@ void lcd_update_rect(int x, int y, int width, int height) } -void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases, - int x, int by, int width, int bheight, int stride) -{ - (void)values; - (void)phases; - (void)x; - (void)by; - (void)width; - (void)bheight; - (void)stride; - /* empty stub */ -} +/* Helper function. */ +void lcd_mono_data(const unsigned char *data, int count); +/* Performance function that works with an external buffer + note that by and bheight are in 8-pixel units! */ void lcd_blit_mono(const unsigned char *data, int x, int by, int width, int bheight, int stride) { - (void)data; - (void)x; - (void)by; - (void)width; - (void)bheight; - (void)stride; - /* empty stub */ + if (lcd_initialized) + { + while (bheight--) + { + lcd_write_command(LCD_SET_PAGE | (by & 0xf)); + lcd_write_command_e(LCD_SET_COLUMN | ((x >> 4) & 0xf), x & 0xf); + + lcd_mono_data(data, width); + data += stride; + by++; + } + } } + +/* Helper function for lcd_grey_phase_blit(). */ +void lcd_grey_data(unsigned char *values, unsigned char *phases, int count); + +/* Performance function that works with an external buffer + note that by and bheight are in 8-pixel units! */ +void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases, + int x, int by, int width, int bheight, int stride) +{ + if (lcd_initialized) + { + stride <<= 3; /* 8 pixels per block */ + while (bheight--) + { + lcd_write_command(LCD_SET_PAGE | (by & 0xf)); + lcd_write_command_e(LCD_SET_COLUMN | ((x >> 4) & 0xf), x & 0xf); + + lcd_grey_data(values, phases, width); + values += stride; + phases += stride; + by++; + } + } +} + -- cgit v1.2.3