From 758bb3bc628705ff8e5c677b3b2d87720c726c13 Mon Sep 17 00:00:00 2001 From: Mark Arigo Date: Mon, 25 May 2009 21:10:45 +0000 Subject: 3 new ports: Samsung YH-820, YH-920, and YH-925. Mostly functional. Audio working on 820 & 925 (untested on the 920). No battery readings. No recording. No plugins. Keymap needs work. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21083 a1c6a512-1295-4272-9138-f99709370657 --- .../target/arm/samsung/yh820/backlight-yh820.c | 47 ++ firmware/target/arm/samsung/yh820/lcd-as-yh820.S | 551 +++++++++++++++++++++ firmware/target/arm/samsung/yh820/lcd-yh820.c | 375 ++++++++++++++ .../target/arm/samsung/yh820/powermgmt-yh820.c | 59 +++ 4 files changed, 1032 insertions(+) create mode 100644 firmware/target/arm/samsung/yh820/backlight-yh820.c create mode 100644 firmware/target/arm/samsung/yh820/lcd-as-yh820.S create mode 100644 firmware/target/arm/samsung/yh820/lcd-yh820.c create mode 100644 firmware/target/arm/samsung/yh820/powermgmt-yh820.c (limited to 'firmware/target/arm/samsung/yh820') diff --git a/firmware/target/arm/samsung/yh820/backlight-yh820.c b/firmware/target/arm/samsung/yh820/backlight-yh820.c new file mode 100644 index 0000000000..5e2cf81e08 --- /dev/null +++ b/firmware/target/arm/samsung/yh820/backlight-yh820.c @@ -0,0 +1,47 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006 by Barry Wardell + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "config.h" +#include "cpu.h" +#include "system.h" +#include "backlight.h" +#include "lcd.h" + +void _backlight_on(void) +{ +#ifdef HAVE_LCD_SLEEP + backlight_lcd_sleep_countdown(false); /* stop counter */ +#endif +#ifdef HAVE_LCD_ENABLE + lcd_enable(true); /* power on lcd + visible display */ +#endif + GPIO_SET_BITWISE(GPIOB_OUTPUT_VAL, 0x2); +} + +void _backlight_off(void) +{ + GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x2); +#ifdef HAVE_LCD_ENABLE + lcd_enable(false); /* power off visible display */ +#endif +#ifdef HAVE_LCD_SLEEP + backlight_lcd_sleep_countdown(true); /* start countdown */ +#endif +} diff --git a/firmware/target/arm/samsung/yh820/lcd-as-yh820.S b/firmware/target/arm/samsung/yh820/lcd-as-yh820.S new file mode 100644 index 0000000000..e466624d04 --- /dev/null +++ b/firmware/target/arm/samsung/yh820/lcd-as-yh820.S @@ -0,0 +1,551 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2007 by Jens Arnold + * Heavily based on lcd-as-memframe.c by Michael Sevakis + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include "config.h" +#include "cpu.h" + +/**************************************************************************** + * void lcd_write_yuv_420_lines(unsigned char const * const src[3], + * int width, + * int stride); + * + * |R| |1.000000 -0.000001 1.402000| |Y'| + * |G| = |1.000000 -0.334136 -0.714136| |Pb| + * |B| |1.000000 1.772000 0.000000| |Pr| + * Scaled, normalized, rounded and tweaked to yield RGB 565: + * |R| |74 0 101| |Y' - 16| >> 9 + * |G| = |74 -24 -51| |Cb - 128| >> 8 + * |B| |74 128 0| |Cr - 128| >> 9 + * + * Write four RGB565 pixels in the following order on each loop: + * 1 3 + > down + * 2 4 \/ left + */ + .section .icode, "ax", %progbits + .align 2 + .global lcd_write_yuv420_lines + .type lcd_write_yuv420_lines, %function +lcd_write_yuv420_lines: + @ r0 = yuv_src + @ r1 = width + @ r2 = stride + stmfd sp!, { r4-r12 } @ save non-scratch + ldmia r0, { r4, r5, r6 } @ r4 = yuv_src[0] = Y'_p + @ r5 = yuv_src[1] = Cb_p + @ r6 = yuv_src[2] = Cr_p + @ r0 = scratch + sub r2, r2, #1 @ + mov r3, #0x70000000 @ + orr r3, r3, #0x3000 @ r3 = LCD1_BASE +10: @ loop line @ + ldrb r7, [r4], #1 @ r7 = *Y'_p++; + ldrb r8, [r5], #1 @ r8 = *Cb_p++; + ldrb r9, [r6], #1 @ r9 = *Cr_p++; + @ + sub r7, r7, #16 @ r7 = Y = (Y' - 16)*74 + add r12, r7, r7, asl #2 @ actually (Y' - 16)*37 and shift right + add r7, r12, r7, asl #5 @ by one less when adding - same for all + @ + sub r8, r8, #128 @ Cb -= 128 + sub r9, r9, #128 @ Cr -= 128 + @ + add r10, r9, r9, asl #1 @ r10 = Cr*51 + Cb*24 + add r10, r10, r10, asl #4 @ + add r10, r10, r8, asl #3 @ + add r10, r10, r8, asl #4 @ + @ + add r11, r9, r9, asl #2 @ r9 = Cr*101 + add r11, r11, r9, asl #5 @ + add r9, r11, r9, asl #6 @ + @ + add r8, r8, #2 @ r8 = bu = (Cb*128 + 128) >> 8 + mov r8, r8, asr #2 @ + add r9, r9, #256 @ r9 = rv = (r9 + 256) >> 9 + mov r9, r9, asr #9 @ + rsb r10, r10, #128 @ r10 = guv = (-r10 + 128) >> 8 + mov r10, r10, asr #8 @ + @ compute R, G, and B + add r0, r8, r7, asr #8 @ r0 = b = (Y >> 9) + bu + add r11, r9, r7, asr #8 @ r11 = r = (Y >> 9) + rv + add r7, r10, r7, asr #7 @ r7 = g = (Y >> 8) + guv + @ + orr r12, r0, r11 @ check if clamping is needed... + orr r12, r12, r7, asr #1 @ ...at all + cmp r12, #31 @ + bls 15f @ no clamp @ + cmp r0, #31 @ clamp b + mvnhi r0, r0, asr #31 @ + andhi r0, r0, #31 @ + cmp r11, #31 @ clamp r + mvnhi r11, r11, asr #31 @ + andhi r11, r11, #31 @ + cmp r7, #63 @ clamp g + mvnhi r7, r7, asr #31 @ + andhi r7, r7, #63 @ +15: @ no clamp @ + @ + ldrb r12, [r4, r2] @ r12 = Y' = *(Y'_p + stride) + @ + mov r11, r11, lsl #3 @ + orr r11, r11, r7, lsr #3 @ r11 = (r << 3) | (g >> 3) + orr r0, r0, r7, lsl #5 @ r0 = (g << 5) | b +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r11, [r3, #0x10] @ send MSB +1: @busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r0, [r3, #0x10] @ send LSB + @ + sub r7, r12, #16 @ r7 = Y = (Y' - 16)*74 + add r12, r7, r7, asl #2 @ + add r7, r12, r7, asl #5 @ + @ compute R, G, and B + add r0, r8, r7, asr #8 @ r0 = b = (Y >> 9) + bu + add r11, r9, r7, asr #8 @ r11 = r = (Y >> 9) + rv + add r7, r10, r7, asr #7 @ r7 = g = (Y >> 8) + guv + @ + orr r12, r0, r11 @ check if clamping is needed... + orr r12, r12, r7, asr #1 @ ...at all + cmp r12, #31 @ + bls 15f @ no clamp @ + cmp r0, #31 @ clamp b + mvnhi r0, r0, asr #31 @ + andhi r0, r0, #31 @ + cmp r11, #31 @ clamp r + mvnhi r11, r11, asr #31 @ + andhi r11, r11, #31 @ + cmp r7, #63 @ clamp g + mvnhi r7, r7, asr #31 @ + andhi r7, r7, #63 @ +15: @ no clamp @ + @ + ldrb r12, [r4], #1 @ r12 = Y' = *(Y'_p++) + @ + mov r11, r11, lsl #3 @ + orr r11, r11, r7, lsr #3 @ r11 = (r << 3) | (g >> 3) + orr r0, r0, r7, lsl #5 @ r0 = (g << 5) | b +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r11, [r3, #0x10] @ send MSB +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r0, [r3, #0x10] @ send LSB + @ + sub r7, r12, #16 @ r7 = Y = (Y' - 16)*74 + add r12, r7, r7, asl #2 @ + add r7, r12, r7, asl #5 @ + @ compute R, G, and B + add r0, r8, r7, asr #8 @ r0 = b = (Y >> 9) + bu + add r11, r9, r7, asr #8 @ r11 = r = (Y >> 9) + rv + add r7, r10, r7, asr #7 @ r7 = g = (Y >> 8) + guv + @ + orr r12, r0, r11 @ check if clamping is needed... + orr r12, r12, r7, asr #1 @ ...at all + cmp r12, #31 @ + bls 15f @ no clamp @ + cmp r0, #31 @ clamp b + mvnhi r0, r0, asr #31 @ + andhi r0, r0, #31 @ + cmp r11, #31 @ clamp r + mvnhi r11, r11, asr #31 @ + andhi r11, r11, #31 @ + cmp r7, #63 @ clamp g + mvnhi r7, r7, asr #31 @ + andhi r7, r7, #63 @ +15: @ no clamp @ + @ + ldrb r12, [r4, r2] @ r12 = Y' = *(Y'_p + stride) + @ + @ + mov r11, r11, lsl #3 @ + orr r11, r11, r7, lsr #3 @ r11 = (r << 3) | (g >> 3) + orr r0, r0, r7, lsl #5 @ r0 = (g << 5) | b +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r11, [r3, #0x10] @ send MSB +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r0, [r3, #0x10] @ send LSB + @ + sub r7, r12, #16 @ r7 = Y = (Y' - 16)*74 + add r12, r7, r7, asl #2 @ + add r7, r12, r7, asl #5 @ + @ compute R, G, and B + add r0, r8, r7, asr #8 @ r0 = b = (Y >> 9) + bu + add r11, r9, r7, asr #8 @ r11 = r = (Y >> 9) + rv + add r7, r10, r7, asr #7 @ r7 = g = (Y >> 8) + guv + @ + orr r12, r0, r11 @ check if clamping is needed... + orr r12, r12, r7, asr #1 @ ...at all + cmp r12, #31 @ + bls 15f @ no clamp @ + cmp r0, #31 @ clamp b + mvnhi r0, r0, asr #31 @ + andhi r0, r0, #31 @ + cmp r11, #31 @ clamp r + mvnhi r11, r11, asr #31 @ + andhi r11, r11, #31 @ + cmp r7, #63 @ clamp g + mvnhi r7, r7, asr #31 @ + andhi r7, r7, #63 @ +15: @ no clamp @ + @ + mov r11, r11, lsl #3 @ + orr r11, r11, r7, lsr #3 @ r11 = (r << 3) | (g >> 3) + orr r0, r0, r7, lsl #5 @ r0 = (g << 5) | b +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r11, [r3, #0x10] @ send MSB +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r0, [r3, #0x10] @ send LSB + @ + subs r1, r1, #2 @ subtract block from width + bgt 10b @ loop line @ + @ + ldmfd sp!, { r4-r12 } @ restore registers and return + bx lr @ + .ltorg @ dump constant pool + .size lcd_write_yuv420_lines, .-lcd_write_yuv420_lines + +/**************************************************************************** + * void lcd_write_yuv_420_lines_odither(unsigned char const * const src[3], + * int width, + * int stride, + * int x_screen, + * int y_screen); + * + * |R| |1.000000 -0.000001 1.402000| |Y'| + * |G| = |1.000000 -0.334136 -0.714136| |Pb| + * |B| |1.000000 1.772000 0.000000| |Pr| + * Red scaled at twice g & b but at same precision to place it in correct + * bit position after multiply and leave instruction count lower. + * |R| |258 0 408| |Y' - 16| + * |G| = |149 -49 -104| |Cb - 128| + * |B| |149 258 0| |Cr - 128| + * + * Write four RGB565 pixels in the following order on each loop: + * 1 3 + > down + * 2 4 \/ left + * + * Kernel pattern (raw|rotated|use order): + * 5 3 4 2 2 6 3 7 row0 row2 > down + * 1 7 0 6 | 4 0 5 1 | 2 4 6 0 3 5 7 1 col0 left + * 4 2 5 3 | 3 7 2 6 | 3 5 7 1 2 4 6 0 col2 \/ + * 0 6 1 7 5 1 4 0 + */ + .section .icode, "ax", %progbits + .align 2 + .global lcd_write_yuv420_lines_odither + .type lcd_write_yuv420_lines_odither, %function +lcd_write_yuv420_lines_odither: + @ r0 = yuv_src + @ r1 = width + @ r2 = stride + @ r3 = x_screen + @ [sp] = y_screen + stmfd sp!, { r4-r12, lr } @ save non-scratch + ldmia r0, { r4, r5, r6 } @ r4 = yuv_src[0] = Y'_p + @ r5 = yuv_src[1] = Cb_p + @ r6 = yuv_src[2] = Cr_p + @ + sub r2, r2, #1 @ + ldr r14, [sp, #40] @ Line up pattern and kernel quadrant + eor r14, r14, r3 @ + and r14, r14, #0x2 @ + mov r14, r14, lsl #6 @ 0x00 or 0x80 + mov r3, #0x70000000 @ + orr r3, r3, #0x3000 @ r3 = LCD1_BASE +10: @ loop line @ + @ + ldrb r7, [r4], #1 @ r7 = *Y'_p++; + ldrb r8, [r5], #1 @ r8 = *Cb_p++; + ldrb r9, [r6], #1 @ r9 = *Cr_p++; + @ + eor r14, r14, #0x80 @ flip pattern quadrant + @ + sub r7, r7, #16 @ r7 = Y = (Y' - 16)*149 + add r12, r7, r7, asl #2 @ + add r12, r12, r12, asl #4 @ + add r7, r12, r7, asl #6 @ + @ + sub r8, r8, #128 @ Cb -= 128 + sub r9, r9, #128 @ Cr -= 128 + @ + add r10, r8, r8, asl #4 @ r10 = guv = Cr*104 + Cb*49 + add r10, r10, r8, asl #5 @ + add r10, r10, r9, asl #3 @ + add r10, r10, r9, asl #5 @ + add r10, r10, r9, asl #6 @ + @ + mov r8, r8, asl #1 @ r8 = bu = Cb*258 + add r8, r8, r8, asl #7 @ + @ + add r9, r9, r9, asl #1 @ r9 = rv = Cr*408 + add r9, r9, r9, asl #4 @ + mov r9, r9, asl #3 @ + @ + @ compute R, G, and B + add r0, r8, r7 @ r0 = b' = Y + bu + add r11, r9, r7, asl #1 @ r11 = r' = Y*2 + rv + rsb r7, r10, r7 @ r7 = g' = Y + guv + @ + @ r8 = bu, r9 = rv, r10 = guv + @ + sub r12, r0, r0, lsr #5 @ r0 = 31/32*b + b/256 + add r0, r12, r0, lsr #8 @ + @ + sub r12, r11, r11, lsr #5 @ r11 = 31/32*r + r/256 + add r11, r12, r11, lsr #8 @ + @ + sub r12, r7, r7, lsr #6 @ r7 = 63/64*g + g/256 + add r7, r12, r7, lsr #8 @ + @ + add r12, r14, #0x100 @ + @ + add r0, r0, r12 @ b = r0 + delta + add r11, r11, r12, lsl #1 @ r = r11 + delta*2 + add r7, r7, r12, lsr #1 @ g = r7 + delta/2 + @ + orr r12, r0, r11, asr #1 @ check if clamping is needed... + orr r12, r12, r7 @ ...at all + movs r12, r12, asr #15 @ + beq 15f @ no clamp @ + movs r12, r0, asr #15 @ clamp b + mvnne r0, r12, lsr #15 @ + andne r0, r0, #0x7c00 @ mask b only if clamped + movs r12, r11, asr #16 @ clamp r + mvnne r11, r12, lsr #16 @ + movs r12, r7, asr #15 @ clamp g + mvnne r7, r12, lsr #15 @ +15: @ no clamp @ + @ + ldrb r12, [r4, r2] @ r12 = Y' = *(Y'_p + stride) + @ + + and r11, r11, #0xf800 @ pack pixel + mov r11, r11, lsr #8 + and r7, r7, #0x7e00 + orr r11, r11, r7, lsr #12 + mov r7, r7, lsr#4 + orr r0, r7, r0, lsr #10 +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r11, [r3, #0x10] @ send MSB +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r0, [r3, #0x10] @ send LSB + @ + sub r7, r12, #16 @ r7 = Y = (Y' - 16)*149 + add r12, r7, r7, asl #2 @ + add r12, r12, r12, asl #4 @ + add r7, r12, r7, asl #6 @ + @ compute R, G, and B + add r0, r8, r7 @ r0 = b' = Y + bu + add r11, r9, r7, asl #1 @ r11 = r' = Y*2 + rv + rsb r7, r10, r7 @ r7 = g' = Y + guv + @ + sub r12, r0, r0, lsr #5 @ r0 = 31/32*b' + b'/256 + add r0, r12, r0, lsr #8 @ + @ + sub r12, r11, r11, lsr #5 @ r11 = 31/32*r' + r'/256 + add r11, r12, r11, lsr #8 @ + @ + sub r12, r7, r7, lsr #6 @ r7 = 63/64*g' + g'/256 + add r7, r12, r7, lsr #8 @ + @ + add r12, r14, #0x200 @ + @ + add r0, r0, r12 @ b = r0 + delta + add r11, r11, r12, lsl #1 @ r = r11 + delta*2 + add r7, r7, r12, lsr #1 @ g = r7 + delta/2 + @ + orr r12, r0, r11, asr #1 @ check if clamping is needed... + orr r12, r12, r7 @ ...at all + movs r12, r12, asr #15 @ + beq 15f @ no clamp @ + movs r12, r0, asr #15 @ clamp b + mvnne r0, r12, lsr #15 @ + andne r0, r0, #0x7c00 @ mask b only if clamped + movs r12, r11, asr #16 @ clamp r + mvnne r11, r12, lsr #16 @ + movs r12, r7, asr #15 @ clamp g + mvnne r7, r12, lsr #15 @ +15: @ no clamp @ + @ + ldrb r12, [r4], #1 @ r12 = Y' = *(Y'_p++) + + and r11, r11, #0xf800 @ pack pixel + mov r11, r11, lsr #8 + and r7, r7, #0x7e00 + orr r11, r11, r7, lsr #12 + mov r7, r7, lsr#4 + orr r0, r7, r0, lsr #10 +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r11, [r3, #0x10] @ send MSB +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r0, [r3, #0x10] @ send LSB + + sub r7, r12, #16 @ r7 = Y = (Y' - 16)*149 + add r12, r7, r7, asl #2 @ + add r12, r12, r12, asl #4 @ + add r7, r12, r7, asl #6 @ + @ compute R, G, and B + add r0, r8, r7 @ r0 = b' = Y + bu + add r11, r9, r7, asl #1 @ r11 = r' = Y*2 + rv + rsb r7, r10, r7 @ r7 = g' = Y + guv + @ + @ r8 = bu, r9 = rv, r10 = guv + @ + sub r12, r0, r0, lsr #5 @ r0 = 31/32*b' + b'/256 + add r0, r12, r0, lsr #8 @ + @ + sub r12, r11, r11, lsr #5 @ r11 = 31/32*r' + r'/256 + add r11, r12, r11, lsr #8 @ + @ + sub r12, r7, r7, lsr #6 @ r7 = 63/64*g' + g'/256 + add r7, r12, r7, lsr #8 @ + @ + add r12, r14, #0x300 @ + @ + add r0, r0, r12 @ b = r0 + delta + add r11, r11, r12, lsl #1 @ r = r11 + delta*2 + add r7, r7, r12, lsr #1 @ g = r7 + delta/2 + @ + orr r12, r0, r11, asr #1 @ check if clamping is needed... + orr r12, r12, r7 @ ...at all + movs r12, r12, asr #15 @ + beq 15f @ no clamp @ + movs r12, r0, asr #15 @ clamp b + mvnne r0, r12, lsr #15 @ + andne r0, r0, #0x7c00 @ mask b only if clamped + movs r12, r11, asr #16 @ clamp r + mvnne r11, r12, lsr #16 @ + movs r12, r7, asr #15 @ clamp g + mvnne r7, r12, lsr #15 @ +15: @ no clamp @ + @ + ldrb r12, [r4, r2] @ r12 = Y' = *(Y'_p + stride) + + and r11, r11, #0xf800 @ pack pixel + mov r11, r11, lsr #8 + and r7, r7, #0x7e00 + orr r11, r11, r7, lsr #12 + mov r7, r7, lsr#4 + orr r0, r7, r0, lsr #10 +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r11, [r3, #0x10] @ send MSB +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r0, [r3, #0x10] @ send LSB + + sub r7, r12, #16 @ r7 = Y = (Y' - 16)*149 + add r12, r7, r7, asl #2 @ + add r12, r12, r12, asl #4 @ + add r7, r12, r7, asl #6 @ + @ compute R, G, and B + add r0, r8, r7 @ r0 = b' = Y + bu + add r11, r9, r7, asl #1 @ r11 = r' = Y*2 + rv + rsb r7, r10, r7 @ r7 = g' = Y + guv + @ + sub r12, r0, r0, lsr #5 @ r0 = 31/32*b + b/256 + add r0, r12, r0, lsr #8 @ + @ + sub r12, r11, r11, lsr #5 @ r11 = 31/32*r + r/256 + add r11, r12, r11, lsr #8 @ + @ + sub r12, r7, r7, lsr #6 @ r7 = 63/64*g + g/256 + add r7, r12, r7, lsr #8 @ + @ + @ This element is zero - use r14 @ + @ + add r0, r0, r14 @ b = r0 + delta + add r11, r11, r14, lsl #1 @ r = r11 + delta*2 + add r7, r7, r14, lsr #1 @ g = r7 + delta/2 + @ + orr r12, r0, r11, asr #1 @ check if clamping is needed... + orr r12, r12, r7 @ ...at all + movs r12, r12, asr #15 @ + beq 15f @ no clamp @ + movs r12, r0, asr #15 @ clamp b + mvnne r0, r12, lsr #15 @ + andne r0, r0, #0x7c00 @ mask b only if clamped + movs r12, r11, asr #16 @ clamp r + mvnne r11, r12, lsr #16 @ + movs r12, r7, asr #15 @ clamp g + mvnne r7, r12, lsr #15 @ +15: @ no clamp @ + + and r11, r11, #0xf800 @ pack pixel + mov r11, r11, lsr #8 + and r7, r7, #0x7e00 + orr r11, r11, r7, lsr #12 + mov r7, r7, lsr#4 + orr r0, r7, r0, lsr #10 +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r11, [r3, #0x10] @ send MSB +1: @ busy @ + ldr r7, [r3] @ r7 = LCD1_BASE + tst r7, #LCD1_BUSY_MASK @ bridge busy? + bne 1b @ + str r0, [r3, #0x10] @ send LSB + + subs r1, r1, #2 @ subtract block from width + bgt 10b @ loop line @ + @ + ldmfd sp!, { r4-r12, pc } @ restore registers and return + .ltorg @ dump constant pool + .size lcd_write_yuv420_lines_odither, .-lcd_write_yuv420_lines_odither diff --git a/firmware/target/arm/samsung/yh820/lcd-yh820.c b/firmware/target/arm/samsung/yh820/lcd-yh820.c new file mode 100644 index 0000000000..d21f6c2854 --- /dev/null +++ b/firmware/target/arm/samsung/yh820/lcd-yh820.c @@ -0,0 +1,375 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2007 by Mark Arigo + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "config.h" +#include "cpu.h" +#include "lcd.h" +#include "kernel.h" +#include "system.h" + +/* Display status */ +static unsigned lcd_yuv_options SHAREDBSS_ATTR = 0; + +#if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP) +static bool is_lcd_enabled = true; +#endif + +/* NOTE: the LCD is rotated 90 degrees */ + +/* LCD command set for Samsung S6B33B2 */ + +#define R_NOP 0x00 +#define R_OSCILLATION_MODE 0x02 +#define R_DRIVER_OUTPUT_MODE 0x10 +#define R_DCDC_SET 0x20 +#define R_BIAS_SET 0x22 +#define R_DCDC_CLOCK_DIV 0x24 +#define R_DCDC_AMP_ONOFF 0x26 +#define R_TEMP_COMPENSATION 0x28 +#define R_CONTRAST_CONTROL1 0x2a +#define R_CONTRAST_CONTROL2 0x2b +#define R_STANDBY_OFF 0x2c +#define R_STANDBY_ON 0x2d +#define R_DDRAM_BURST_OFF 0x2e +#define R_DDRAM_BURST_ON 0x2f +#define R_ADDRESSING_MODE 0x30 +#define R_ROW_VECTOR_MODE 0x32 +#define R_N_LINE_INVERSION 0x34 +#define R_FRAME_FREQ_CONTROL 0x36 +#define R_RED_PALETTE 0x38 +#define R_GREEN_PALETTE 0x3a +#define R_BLUE_PALETTE 0x3c +#define R_ENTRY_MODE 0x40 +#define R_X_ADDR_AREA 0x42 +#define R_Y_ADDR_AREA 0x43 +#define R_RAM_SKIP_AREA 0x45 +#define R_DISPLAY_OFF 0x50 +#define R_DISPLAY_ON 0x51 +#define R_SPEC_DISPLAY_PATTERN 0x53 +#define R_PARTIAL_DISPLAY_MODE 0x55 +#define R_PARTIAL_START_LINE 0x56 +#define R_PARTIAL_END_LINE 0x57 +#define R_AREA_SCROLL_MODE 0x59 +#define R_SCROLL_START_LINE 0x5a +#define R_DATA_FORMAT_SELECT 0x60 + + +/* wait for LCD */ +static inline void lcd_wait_write(void) +{ + while (LCD1_CONTROL & LCD1_BUSY_MASK); +} + +/* send LCD data */ +static void lcd_send_data(unsigned data) +{ + lcd_wait_write(); + LCD1_DATA = data >> 8; + lcd_wait_write(); + LCD1_DATA = data & 0xff; +} + +/* send LCD command */ +static void lcd_send_command(unsigned cmd) +{ + lcd_wait_write(); + LCD1_CMD = cmd; +} + +/* LCD init */ +void lcd_init_device(void) +{ +#if 0 + /* This is the init sequence from the yh820 OF bootloader */ + unsigned long tmp; + + DEV_INIT1 &= ~0x3000; + tmp = DEV_INIT1; + DEV_INIT1 = tmp; + DEV_INIT2 &= ~0x400; + + LCD1_CONTROL &= ~0x4; + udelay(15); + LCD1_CONTROL |= 0x4; + + LCD1_CONTROL = 0x680; + LCD1_CONTROL = 0x684; + + LCD1_CONTROL |= 0x1; + udelay(200); + + lcd_send_command(R_STANDBY_OFF); + udelay(100000); + + lcd_send_command(R_DISPLAY_OFF); + udelay(10000); + + lcd_send_command(R_OSCILLATION_MODE); + lcd_send_command(0x01); + udelay(30000); + + lcd_send_command(R_DCDC_SET); + lcd_send_command(0x01); + udelay(30000); + + lcd_send_command(R_DCDC_AMP_ONOFF); + lcd_send_command(0x01); + udelay(30000); + + lcd_send_command(R_DCDC_AMP_ONOFF); + lcd_send_command(0x09); + udelay(30000); + + lcd_send_command(R_DCDC_AMP_ONOFF); + lcd_send_command(0x0b); + udelay(30000); + + lcd_send_command(R_DCDC_AMP_ONOFF); + lcd_send_command(0x0f); + udelay(30000); + + lcd_send_command(R_DCDC_CLOCK_DIV); + lcd_send_command(0x03); + udelay(10000); + + lcd_send_command(R_CONTRAST_CONTROL1); + lcd_send_command(0x89); + udelay(10000); + + lcd_send_command(R_TEMP_COMPENSATION); + lcd_send_command(0x01); + udelay(10000); + + lcd_send_command(R_ADDRESSING_MODE); + lcd_send_command(0x19); + udelay(10000); + + lcd_send_command(R_ROW_VECTOR_MODE); + lcd_send_command(0x00); + udelay(10000); + + lcd_send_command(R_N_LINE_INVERSION); + lcd_send_command(0x8b); + udelay(10000); + + lcd_send_command(R_ENTRY_MODE); + lcd_send_command(0x01); + + lcd_send_command(R_DRIVER_OUTPUT_MODE); + lcd_send_command(0x34); + udelay(10000); + + lcd_send_command(R_X_ADDR_AREA); /* vertical dimensions */ + lcd_send_command(0x00); /* y1 */ + lcd_send_command(LCD_HEIGHT - 1); /* y2 */ + + lcd_send_command(R_Y_ADDR_AREA); /* horizontal dimensions */ + lcd_send_command(0x04); /* x1 + 4 */ + lcd_send_command(LCD_WIDTH - 1 + 4); /* x2 + 4 */ + udelay(100); + + lcd_send_command(R_BIAS_SET); + lcd_send_command(0x01); + + lcd_send_command(R_DDRAM_BURST_OFF); + udelay(100); + + lcd_send_command(R_DISPLAY_ON); + udelay(30000); +#endif +} + +/*** hardware configuration ***/ +int lcd_default_contrast(void) +{ + return DEFAULT_CONTRAST_SETTING; +} + +void lcd_set_contrast(int val) +{ + lcd_send_command(R_CONTRAST_CONTROL1); + lcd_send_command(val); +} + +void lcd_set_invert_display(bool yesno) +{ + /* TODO: Implement lcd_set_invert_display() */ + (void)yesno; +} + +#if defined(HAVE_LCD_ENABLE) +void lcd_enable(bool yesno) +{ + if (yesno == is_lcd_enabled) + return; + + if ((is_lcd_enabled = yesno)) + { + lcd_send_command(R_STANDBY_OFF); + lcd_send_command(R_DISPLAY_ON); + lcd_activation_call_hook(); + } + else + { + lcd_send_command(R_STANDBY_ON); + } +} +#endif + +#if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP) +bool lcd_active(void) +{ + return is_lcd_enabled; +} +#endif + +#ifdef HAVE_LCD_FLIP +/* turn the display upside down (call lcd_update() afterwards) */ +/* Note: since the lcd is rotated, this will flip horiz instead of vert */ +void lcd_set_flip(bool yesno) +{ + lcd_send_command(R_DRIVER_OUTPUT_MODE); + lcd_send_command(yesno ? 0x30 : 0x34); +} +#endif + + +/*** update functions ***/ + +void lcd_yuv_set_options(unsigned options) +{ + lcd_yuv_options = options; +} + +/* Line write helper function for lcd_yuv_blit. Write two lines of yuv420. */ +extern void lcd_write_yuv420_lines(unsigned char const * const src[3], + int width, + int stride); +extern void lcd_write_yuv420_lines_odither(unsigned char const * const src[3], + int width, + int stride, + int x_screen, /* To align dither pattern */ + int y_screen); +/* 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) +{ + unsigned char const * yuv_src[3]; + off_t z; + + /* Sorry, but width and height must be >= 2 or else */ + width &= ~1; + height >>= 1; + + 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]); + + lcd_send_command(R_ENTRY_MODE); + lcd_send_command(0x03); + + lcd_send_command(R_Y_ADDR_AREA); + lcd_send_command(x + 4); + lcd_send_command(x + width - 1 + 4); + + if (lcd_yuv_options & LCD_YUV_DITHER) + { + do + { + lcd_send_command(R_X_ADDR_AREA); + lcd_send_command(y); + lcd_send_command(y + 1); + + lcd_write_yuv420_lines_odither(yuv_src, width, stride, x, y); + yuv_src[0] += stride << 1; /* Skip down two luma lines */ + yuv_src[1] += stride >> 1; /* Skip down one chroma line */ + yuv_src[2] += stride >> 1; + y += 2; + } + while (--height > 0); + } + else + { + do + { + lcd_send_command(R_X_ADDR_AREA); + lcd_send_command(y); + lcd_send_command(y + 1); + + lcd_write_yuv420_lines(yuv_src, width, stride); + yuv_src[0] += stride << 1; /* Skip down two luma lines */ + yuv_src[1] += stride >> 1; /* Skip down one chroma line */ + yuv_src[2] += stride >> 1; + y += 2; + } + while (--height > 0); + } +} + +/* Update the display. + This must be called after all other LCD functions that change the display. */ +void lcd_update(void) +{ + lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT); +} + +/* Update a fraction of the display. */ +void lcd_update_rect(int x, int y, int width, int height) +{ + const fb_data *addr; + + if (x + width >= LCD_WIDTH) + width = LCD_WIDTH - x; + if (y + height >= LCD_HEIGHT) + height = LCD_HEIGHT - y; + + if ((width <= 0) || (height <= 0)) + return; /* Nothing left to do. */ + + addr = &lcd_framebuffer[y][x]; + + if (width <= 1) { + lcd_send_command(R_ENTRY_MODE); /* The X end address must be larger */ + lcd_send_command(0x03); /* that the X start address, so we */ + lcd_send_command(R_Y_ADDR_AREA); /* switch to vertical mode for */ + lcd_send_command(x + 4); /* single column updates and set */ + lcd_send_command(x + 1 + 4); /* the window width to 2 */ + } else { + lcd_send_command(R_ENTRY_MODE); + lcd_send_command(0x01); + lcd_send_command(R_Y_ADDR_AREA); + lcd_send_command(x + 4); + lcd_send_command(x + width - 1 + 4); + } + + lcd_send_command(R_X_ADDR_AREA); + lcd_send_command(y); + lcd_send_command(y + height - 1); + + do { + int w = width; + do { + lcd_send_data(*addr++); + } while (--w > 0); + addr += LCD_WIDTH - width; + } while (--height > 0); +} diff --git a/firmware/target/arm/samsung/yh820/powermgmt-yh820.c b/firmware/target/arm/samsung/yh820/powermgmt-yh820.c new file mode 100644 index 0000000000..495590413c --- /dev/null +++ b/firmware/target/arm/samsung/yh820/powermgmt-yh820.c @@ -0,0 +1,59 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2002 by Heikki Hannikainen, Uwe Freese + * Revisions copyright (C) 2005 by Gerald Van Baren + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include "config.h" +#include "adc.h" +#include "powermgmt.h" + +/* TODO: Not yet calibrated */ + +const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] = +{ + 3695 +}; + +const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = +{ + 3627 +}; + +/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */ +const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] = +{ + { 3695, 3714, 3772, 3791, 3811, 3850, 3908, 3985, 4024, 4111, 4198 } +}; + +/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */ +const unsigned short percent_to_volt_charge[11] = +{ + 3850, 3888, 3927, 3966, 4024, 4063, 4111, 4150, 4198, 4237, 4286 +}; + +#define BATTERY_SCALE_FACTOR 4650 +/* full-scale ADC readout (2^10) in millivolt */ + +/* Returns battery voltage from ADC [millivolts] */ +unsigned int battery_adc_voltage(void) +{ + /* return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10; */ + return 4100; +} -- cgit v1.2.3