From d528e54b619007ec30bfbbe9dca6c0886c822b74 Mon Sep 17 00:00:00 2001 From: Jens Arnold Date: Sun, 25 Feb 2007 22:09:14 +0000 Subject: Move target specific parts of the H100 remote LCD driver to target tree. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12485 a1c6a512-1295-4272-9138-f99709370657 --- firmware/SOURCES | 4 +- firmware/drivers/lcd-h100-remote.c | 1505 -------------------- firmware/drivers/lcd-remote-1bit-v.c | 907 ++++++++++++ firmware/export/lcd-remote.h | 12 +- .../target/coldfire/iriver/lcd-remote-iriver.c | 610 ++++++++ .../target/coldfire/iriver/lcd-remote-target.h | 44 + 6 files changed, 1573 insertions(+), 1509 deletions(-) delete mode 100644 firmware/drivers/lcd-h100-remote.c create mode 100644 firmware/drivers/lcd-remote-1bit-v.c create mode 100644 firmware/target/coldfire/iriver/lcd-remote-iriver.c create mode 100755 firmware/target/coldfire/iriver/lcd-remote-target.h diff --git a/firmware/SOURCES b/firmware/SOURCES index 74955a4d91..03d2b16d1d 100644 --- a/firmware/SOURCES +++ b/firmware/SOURCES @@ -85,7 +85,7 @@ drivers/lcd-16bit.c #ifdef HAVE_REMOTE_LCD #if LCD_REMOTE_DEPTH == 1 -drivers/lcd-h100-remote.c +drivers/lcd-remote-1bit-v.c #elif LCD_REMOTE_DEPTH == 2 drivers/lcd-remote-2bit-vi.c #endif /* LCD_REMOTE_DEPTH */ @@ -378,6 +378,7 @@ target/coldfire/iriver/h300/power-h300.c target/coldfire/ata-as-coldfire.S target/coldfire/pcf50606-coldfire.c target/coldfire/iriver/ata-iriver.c +target/coldfire/iriver/lcd-remote-iriver.c target/coldfire/iriver/system-iriver.c target/coldfire/iriver/h300/adc-h300.c target/coldfire/iriver/h300/backlight-h300.c @@ -397,6 +398,7 @@ target/coldfire/iriver/h100/power-h100.c #ifndef SIMULATOR target/coldfire/ata-as-coldfire.S target/coldfire/iriver/ata-iriver.c +target/coldfire/iriver/lcd-remote-iriver.c target/coldfire/iriver/system-iriver.c target/coldfire/iriver/h100/adc-h100.c target/coldfire/iriver/h100/backlight-h100.c diff --git a/firmware/drivers/lcd-h100-remote.c b/firmware/drivers/lcd-h100-remote.c deleted file mode 100644 index e8d22213b8..0000000000 --- a/firmware/drivers/lcd-h100-remote.c +++ /dev/null @@ -1,1505 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2005 by Richard S. La Charité III - * - * All files in this archive are subject to the GNU General Public License. - * See the file COPYING in the source tree root for full license agreement. - * - * 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 "lcd-remote.h" -#include "kernel.h" -#include "thread.h" -#include -#include -#include "file.h" -#include "debug.h" -#include "system.h" -#include "font.h" -#include "rbunicode.h" -#include "bidi.h" - -/*** definitions ***/ - -#define LCD_REMOTE_CNTL_ADC_NORMAL 0xa0 -#define LCD_REMOTE_CNTL_ADC_REVERSE 0xa1 -#define LCD_REMOTE_CNTL_SHL_NORMAL 0xc0 -#define LCD_REMOTE_CNTL_SHL_REVERSE 0xc8 -#define LCD_REMOTE_CNTL_DISPLAY_ON_OFF 0xae -#define LCD_REMOTE_CNTL_ENTIRE_ON_OFF 0xa4 -#define LCD_REMOTE_CNTL_REVERSE_ON_OFF 0xa6 -#define LCD_REMOTE_CNTL_NOP 0xe3 -#define LCD_REMOTE_CNTL_POWER_CONTROL 0x2b -#define LCD_REMOTE_CNTL_SELECT_REGULATOR 0x20 -#define LCD_REMOTE_CNTL_SELECT_BIAS 0xa2 -#define LCD_REMOTE_CNTL_SELECT_VOLTAGE 0x81 -#define LCD_REMOTE_CNTL_INIT_LINE 0x40 -#define LCD_REMOTE_CNTL_SET_PAGE_ADDRESS 0xB0 - -#define LCD_REMOTE_CNTL_HIGHCOL 0x10 /* Upper column address */ -#define LCD_REMOTE_CNTL_LOWCOL 0x00 /* Lower column address */ - -#define CS_LO and_l(~0x00000004, &GPIO1_OUT) -#define CS_HI or_l(0x00000004, &GPIO1_OUT) -#define CLK_LO and_l(~0x10000000, &GPIO_OUT) -#define CLK_HI or_l(0x10000000, &GPIO_OUT) -#define DATA_LO and_l(~0x00040000, &GPIO1_OUT) -#define DATA_HI or_l(0x00040000, &GPIO1_OUT) -#define RS_LO and_l(~0x00010000, &GPIO_OUT) -#define RS_HI or_l(0x00010000, &GPIO_OUT) - -#define SCROLLABLE_LINES 13 - -/*** globals ***/ - -fb_remote_data lcd_remote_framebuffer[LCD_REMOTE_FBHEIGHT][LCD_REMOTE_FBWIDTH] - IBSS_ATTR; - -static int drawmode = DRMODE_SOLID; -static int xmargin = 0; -static int ymargin = 0; -static int curfont = FONT_SYSFIXED; - -#ifndef SIMULATOR -static int xoffset; /* needed for flip */ - -/* timeout counter for deasserting /CS after access, <0 means not counting */ -static int cs_countdown IDATA_ATTR = 0; -#define CS_TIMEOUT (HZ/10) - -#ifdef HAVE_REMOTE_LCD_TICKING -/* If set to true, will prevent "ticking" to headphones. */ -static bool emireduce = false; -static int byte_delay = 0; -#endif - -/* remote hotplug */ -static struct event_queue remote_scroll_queue; -#define REMOTE_INIT_LCD 1 -#define REMOTE_DEINIT_LCD 2 - -static bool remote_initialized = false; -static int _remote_type = REMOTETYPE_UNPLUGGED; - -/* cached settings values */ -static bool cached_invert = false; -static bool cached_flip = false; -static int cached_contrast = DEFAULT_REMOTE_CONTRAST_SETTING; -#endif - -/* scrolling */ -static volatile int scrolling_lines=0; /* Bitpattern of which lines are scrolling */ -static void scroll_thread(void); -static long scroll_stack[DEFAULT_STACK_SIZE/sizeof(long)]; -static const char scroll_name[] = "remote_scroll"; -static int scroll_ticks = 12; /* # of ticks between updates*/ -static int scroll_delay = HZ/2; /* ticks delay before start */ -static int scroll_step = 6; /* pixels per scroll step */ -static int bidir_limit = 50; /* percent */ -static struct scrollinfo scroll[SCROLLABLE_LINES]; - -static const char scroll_tick_table[16] = { - /* Hz values: - 1, 1.25, 1.55, 2, 2.5, 3.12, 4, 5, 6.25, 8.33, 10, 12.5, 16.7, 20, 25, 33 */ - 100, 80, 64, 50, 40, 32, 25, 20, 16, 12, 10, 8, 6, 5, 4, 3 -}; - -/*** driver routines ***/ - -#ifndef SIMULATOR - -#ifdef HAVE_REMOTE_LCD_TICKING -static inline void _byte_delay(int delay) -{ - asm ( - "move.l %[dly], %%d0 \n" - "ble.s 2f \n" - "1: \n" - "subq.l #1, %%d0 \n" - "bne.s 1b \n" - "2: \n" - : /* outputs */ - : /* inputs */ - [dly]"d"(delay) - : /* clobbers */ - "d0" - ); -} -#endif /* HAVE_REMOTE_LCD_TICKING */ - -/* Standard low-level byte writer. Requires CLK low on entry */ -static inline void _write_byte(unsigned data) -{ - asm volatile ( - "move.l (%[gpo1]), %%d0 \n" /* Get current state of data line */ - "and.l %[dbit], %%d0 \n" - "beq.s 1f \n" /* and set it as previous-state bit */ - "bset #8, %[data] \n" - "1: \n" - "move.l %[data], %%d0 \n" /* Compute the 'bit derivative', i.e. a value */ - "lsr.l #1, %%d0 \n" /* with 1's where the data changes from the */ - "eor.l %%d0, %[data] \n" /* previous state, and 0's where it doesn't */ - "swap %[data] \n" /* Shift data to upper byte */ - "lsl.l #8, %[data] \n" - - "lsl.l #1,%[data] \n" /* Shift out MSB */ - "bcc.s 1f \n" - "eor.l %[dbit], (%[gpo1]) \n" /* 1: flip DATA */ - "1: \n" - "eor.l %[cbit], (%[gpo0]) \n" /* Flip CLK */ - "eor.l %[cbit], (%[gpo0]) \n" /* Flip CLK */ - - "lsl.l #1,%[data] \n" /* ..unrolled.. */ - "bcc.s 1f \n" - "eor.l %[dbit], (%[gpo1]) \n" - "1: \n" - "eor.l %[cbit], (%[gpo0]) \n" - "eor.l %[cbit], (%[gpo0]) \n" - - "lsl.l #1,%[data] \n" - "bcc.s 1f \n" - "eor.l %[dbit], (%[gpo1]) \n" - "1: \n" - "eor.l %[cbit], (%[gpo0]) \n" - "eor.l %[cbit], (%[gpo0]) \n" - - "lsl.l #1,%[data] \n" - "bcc.s 1f \n" - "eor.l %[dbit], (%[gpo1]) \n" - "1: \n" - "eor.l %[cbit], (%[gpo0]) \n" - "eor.l %[cbit], (%[gpo0]) \n" - - "lsl.l #1,%[data] \n" - "bcc.s 1f \n" - "eor.l %[dbit], (%[gpo1]) \n" - "1: \n" - "eor.l %[cbit], (%[gpo0]) \n" - "eor.l %[cbit], (%[gpo0]) \n" - - "lsl.l #1,%[data] \n" - "bcc.s 1f \n" - "eor.l %[dbit], (%[gpo1]) \n" - "1: \n" - "eor.l %[cbit], (%[gpo0]) \n" - "eor.l %[cbit], (%[gpo0]) \n" - - "lsl.l #1,%[data] \n" - "bcc.s 1f \n" - "eor.l %[dbit], (%[gpo1]) \n" - "1: \n" - "eor.l %[cbit], (%[gpo0]) \n" - "eor.l %[cbit], (%[gpo0]) \n" - - "lsl.l #1,%[data] \n" - "bcc.s 1f \n" - "eor.l %[dbit], (%[gpo1]) \n" - "1: \n" - "eor.l %[cbit], (%[gpo0]) \n" - "eor.l %[cbit], (%[gpo0]) \n" - : /* outputs */ - [data]"+d"(data) - : /* inputs */ - [gpo0]"a"(&GPIO_OUT), - [cbit]"d"(0x10000000), - [gpo1]"a"(&GPIO1_OUT), - [dbit]"d"(0x00040000) - : /* clobbers */ - "d0" - ); -} - -/* Fast low-level byte writer. Don't use with high CPU clock. - * Requires CLK low on entry */ -static inline void _write_fast(unsigned data) -{ - asm volatile ( - "move.w %%sr,%%d3 \n" /* Get current interrupt level */ - "move.w #0x2700,%%sr \n" /* Disable interrupts */ - - "move.l (%[gpo1]), %%d0 \n" /* Get current state of data port */ - "move.l %%d0, %%d1 \n" - "and.l %[dbit], %%d1 \n" /* Check current state of data line */ - "beq.s 1f \n" /* and set it as previous-state bit */ - "bset #8, %[data] \n" - "1: \n" - "move.l %[data], %%d1 \n" /* Compute the 'bit derivative', i.e. a value */ - "lsr.l #1, %%d1 \n" /* with 1's where the data changes from the */ - "eor.l %%d1, %[data] \n" /* previous state, and 0's where it doesn't */ - "swap %[data] \n" /* Shift data to upper byte */ - "lsl.l #8, %[data] \n" - - "move.l (%[gpo0]), %%d1 \n" /* Get current state of clock port */ - "move.l %[cbit], %%d2 \n" /* Precalculate opposite state of clock line */ - "eor.l %%d1, %%d2 \n" - - "lsl.l #1,%[data] \n" /* Shift out MSB */ - "bcc.s 1f \n" - "eor.l %[dbit], %%d0 \n" /* 1: flip data bit */ - "move.l %%d0, (%[gpo1]) \n" /* and output new DATA state */ - "1: \n" - "move.l %%d2, (%[gpo0]) \n" /* Set CLK */ - "move.l %%d1, (%[gpo0]) \n" /* Reset CLK */ - - "lsl.l #1,%[data] \n" /* ..unrolled.. */ - "bcc.s 1f \n" - "eor.l %[dbit], %%d0 \n" - "move.l %%d0, (%[gpo1]) \n" - "1: \n" - "move.l %%d2, (%[gpo0]) \n" - "move.l %%d1, (%[gpo0]) \n" - - "lsl.l #1,%[data] \n" - "bcc.s 1f \n" - "eor.l %[dbit], %%d0 \n" - "move.l %%d0, (%[gpo1]) \n" - "1: \n" - "move.l %%d2, (%[gpo0]) \n" - "move.l %%d1, (%[gpo0]) \n" - - "lsl.l #1,%[data] \n" - "bcc.s 1f \n" - "eor.l %[dbit], %%d0 \n" - "move.l %%d0, (%[gpo1]) \n" - "1: \n" - "move.l %%d2, (%[gpo0]) \n" - "move.l %%d1, (%[gpo0]) \n" - - "lsl.l #1,%[data] \n" - "bcc.s 1f \n" - "eor.l %[dbit], %%d0 \n" - "move.l %%d0, (%[gpo1]) \n" - "1: \n" - "move.l %%d2, (%[gpo0]) \n" - "move.l %%d1, (%[gpo0]) \n" - - "lsl.l #1,%[data] \n" - "bcc.s 1f \n" - "eor.l %[dbit], %%d0 \n" - "move.l %%d0, (%[gpo1]) \n" - "1: \n" - "move.l %%d2, (%[gpo0]) \n" - "move.l %%d1, (%[gpo0]) \n" - - "lsl.l #1,%[data] \n" - "bcc.s 1f \n" - "eor.l %[dbit], %%d0 \n" - "move.l %%d0, (%[gpo1]) \n" - "1: \n" - "move.l %%d2, (%[gpo0]) \n" - "move.l %%d1, (%[gpo0]) \n" - - "lsl.l #1,%[data] \n" - "bcc.s 1f \n" - "eor.l %[dbit], %%d0 \n" - "move.l %%d0, (%[gpo1]) \n" - "1: \n" - "move.l %%d2, (%[gpo0]) \n" - "move.l %%d1, (%[gpo0]) \n" - - "move.w %%d3, %%sr \n" /* Restore interrupt level */ - : /* outputs */ - [data]"+d"(data) - : /* inputs */ - [gpo0]"a"(&GPIO_OUT), - [cbit]"i"(0x10000000), - [gpo1]"a"(&GPIO1_OUT), - [dbit]"d"(0x00040000) - : /* clobbers */ - "d0", "d1", "d2", "d3" - ); -} - -void lcd_remote_write_command(int cmd) -{ - cs_countdown = 0; - RS_LO; - CS_LO; - - _write_byte(cmd); -#ifdef HAVE_REMOTE_LCD_TICKING - _byte_delay(byte_delay - 148); -#endif - - cs_countdown = CS_TIMEOUT; -} - -void lcd_remote_write_command_ex(int cmd, int data) -{ - cs_countdown = 0; - RS_LO; - CS_LO; - - _write_byte(cmd); -#ifdef HAVE_REMOTE_LCD_TICKING - _byte_delay(byte_delay - 148); -#endif - _write_byte(data); -#ifdef HAVE_REMOTE_LCD_TICKING - _byte_delay(byte_delay - 148); -#endif - - cs_countdown = CS_TIMEOUT; -} - -void lcd_remote_write_data(const unsigned char* p_bytes, int count) ICODE_ATTR; -void lcd_remote_write_data(const unsigned char* p_bytes, int count) -{ - const unsigned char *p_end = p_bytes + count; - - cs_countdown = 0; - RS_HI; - CS_LO; - - /* This is safe as long as lcd_remote_write_data() isn't called from within - * an ISR. */ - if (cpu_frequency < 50000000) - { - while (p_bytes < p_end) - { - _write_fast(*p_bytes++); -#ifdef HAVE_REMOTE_LCD_TICKING - _byte_delay(byte_delay - 87); -#endif - } - } - else - { - while (p_bytes < p_end) - { - _write_byte(*p_bytes++); -#ifdef HAVE_REMOTE_LCD_TICKING - _byte_delay(byte_delay - 148); -#endif - } - } - - cs_countdown = CS_TIMEOUT; -} -#endif /* !SIMULATOR */ - -/*** hardware configuration ***/ - -int lcd_remote_default_contrast(void) -{ - return DEFAULT_REMOTE_CONTRAST_SETTING; -} - -#ifndef SIMULATOR - -#ifdef HAVE_REMOTE_LCD_TICKING -void lcd_remote_emireduce(bool state) -{ - emireduce = state; -} -#endif - -void lcd_remote_powersave(bool on) -{ - if (remote_initialized) - { - lcd_remote_write_command(LCD_REMOTE_CNTL_DISPLAY_ON_OFF | (on ? 0 : 1)); - lcd_remote_write_command(LCD_REMOTE_CNTL_ENTIRE_ON_OFF | (on ? 1 : 0)); - } -} - -void lcd_remote_set_contrast(int val) -{ - cached_contrast = val; - if (remote_initialized) - lcd_remote_write_command_ex(LCD_REMOTE_CNTL_SELECT_VOLTAGE, val); -} - -void lcd_remote_set_invert_display(bool yesno) -{ - cached_invert = yesno; - if (remote_initialized) - lcd_remote_write_command(LCD_REMOTE_CNTL_REVERSE_ON_OFF | (yesno?1:0)); -} - -/* turn the display upside down (call lcd_remote_update() afterwards) */ -void lcd_remote_set_flip(bool yesno) -{ - cached_flip = yesno; - if (yesno) - { - xoffset = 0; - if (remote_initialized) - { - lcd_remote_write_command(LCD_REMOTE_CNTL_ADC_NORMAL); - lcd_remote_write_command(LCD_REMOTE_CNTL_SHL_NORMAL); - } - } - else - { - xoffset = 132 - LCD_REMOTE_WIDTH; - if (remote_initialized) - { - lcd_remote_write_command(LCD_REMOTE_CNTL_ADC_REVERSE); - lcd_remote_write_command(LCD_REMOTE_CNTL_SHL_REVERSE); - } - } -} - -/* The actual LCD init */ -static void remote_lcd_init(void) -{ - CS_HI; - CLK_LO; - lcd_remote_write_command(LCD_REMOTE_CNTL_SELECT_BIAS | 0x0); - - lcd_remote_write_command(LCD_REMOTE_CNTL_POWER_CONTROL | 0x5); - sleep(1); - lcd_remote_write_command(LCD_REMOTE_CNTL_POWER_CONTROL | 0x6); - sleep(1); - lcd_remote_write_command(LCD_REMOTE_CNTL_POWER_CONTROL | 0x7); - - lcd_remote_write_command(LCD_REMOTE_CNTL_SELECT_REGULATOR | 0x4); // 0x4 Select regulator @ 5.0 (default); - - sleep(1); - - lcd_remote_write_command(LCD_REMOTE_CNTL_INIT_LINE | 0x0); // init line - lcd_remote_write_command(LCD_REMOTE_CNTL_SET_PAGE_ADDRESS | 0x0); // page address - lcd_remote_write_command_ex(0x10, 0x00); // Column MSB + LSB - - lcd_remote_write_command(LCD_REMOTE_CNTL_DISPLAY_ON_OFF | 1); - - remote_initialized = true; - - lcd_remote_set_flip(cached_flip); - lcd_remote_set_contrast(cached_contrast); - lcd_remote_set_invert_display(cached_invert); -} - -bool remote_detect(void) -{ - return (GPIO_READ & 0x40000000)?false:true; -} - -int remote_type(void) -{ - return _remote_type; -} - -/* Monitor remote hotswap */ -static void remote_tick(void) -{ - static bool last_status = false; - static int countdown = 0; - static int init_delay = 0; - bool current_status; - int val; - int level; - - current_status = remote_detect(); - /* Only report when the status has changed */ - if (current_status != last_status) - { - last_status = current_status; - countdown = current_status ? 20*HZ : 1; - } - else - { - /* Count down until it gets negative */ - if (countdown >= 0) - countdown--; - - if (current_status) - { - if (!(countdown % 8)) - { - /* Determine which type of remote it is */ - level = set_irq_level(HIGHEST_IRQ_LEVEL); - val = adc_scan(ADC_REMOTEDETECT); - set_irq_level(level); - - if (val < ADCVAL_H100_LCD_REMOTE_HOLD) - { - if (val < ADCVAL_H100_LCD_REMOTE) - if (val < ADCVAL_H300_LCD_REMOTE) - _remote_type = REMOTETYPE_H300_LCD; /* hold off */ - else - _remote_type = REMOTETYPE_H100_LCD; /* hold off */ - else - if (val < ADCVAL_H300_LCD_REMOTE_HOLD) - _remote_type = REMOTETYPE_H300_LCD; /* hold on */ - else - _remote_type = REMOTETYPE_H100_LCD; /* hold on */ - - if (--init_delay <= 0) - { - queue_post(&remote_scroll_queue, REMOTE_INIT_LCD, 0); - init_delay = 6; - } - } - else - { - _remote_type = REMOTETYPE_H300_NONLCD; /* hold on or off */ - } - } - } - else - { - if (countdown == 0) - { - _remote_type = REMOTETYPE_UNPLUGGED; - - queue_post(&remote_scroll_queue, REMOTE_DEINIT_LCD, 0); - } - } - } - - /* handle chip select timeout */ - if (cs_countdown >= 0) - cs_countdown--; - if (cs_countdown == 0) - CS_HI; -} -#endif /* !SIMULATOR */ - -/* LCD init */ -#ifdef SIMULATOR - -void lcd_remote_init(void) -{ - create_thread(scroll_thread, scroll_stack, - sizeof(scroll_stack), scroll_name IF_PRIO(, PRIORITY_USER_INTERFACE)); -} -#else /* !SIMULATOR */ - -/* Initialise ports and kick off monitor */ -void lcd_remote_init(void) -{ -#ifdef IRIVER_H300_SERIES - or_l(0x10010000, &GPIO_FUNCTION); /* GPIO16: RS - GPIO28: CLK */ - - or_l(0x00040006, &GPIO1_FUNCTION); /* GPO33: Backlight - GPIO34: CS - GPIO50: Data */ - or_l(0x10010000, &GPIO_ENABLE); - or_l(0x00040006, &GPIO1_ENABLE); -#else - or_l(0x10010800, &GPIO_FUNCTION); /* GPIO11: Backlight - GPIO16: RS - GPIO28: CLK */ - - or_l(0x00040004, &GPIO1_FUNCTION); /* GPIO34: CS - GPIO50: Data */ - or_l(0x10010800, &GPIO_ENABLE); - or_l(0x00040004, &GPIO1_ENABLE); -#endif - lcd_remote_clear_display(); - - /* private queue */ - queue_init(&remote_scroll_queue, false); - tick_add_task(remote_tick); - create_thread(scroll_thread, scroll_stack, - sizeof(scroll_stack), scroll_name IF_PRIO(, PRIORITY_USER_INTERFACE)); -} - -/*** update functions ***/ - -/* Update the display. - This must be called after all other LCD functions that change the display. */ -void lcd_remote_update(void) ICODE_ATTR; -void lcd_remote_update(void) -{ - int y; - - if (!remote_initialized) - return; - -#ifdef HAVE_REMOTE_LCD_TICKING - /* Adjust byte delay for emi reduction. */ - byte_delay = emireduce ? cpu_frequency / 197600 + 28: 0; -#endif - - /* Copy display bitmap to hardware */ - for (y = 0; y < LCD_REMOTE_FBHEIGHT; y++) - { - lcd_remote_write_command(LCD_REMOTE_CNTL_SET_PAGE_ADDRESS | y); - lcd_remote_write_command(LCD_REMOTE_CNTL_HIGHCOL | ((xoffset >> 4) & 0xf)); - lcd_remote_write_command(LCD_REMOTE_CNTL_LOWCOL | (xoffset & 0xf)); - lcd_remote_write_data(lcd_remote_framebuffer[y], LCD_REMOTE_WIDTH); - } -} - -/* Update a fraction of the display. */ -void lcd_remote_update_rect(int, int, int, int) ICODE_ATTR; -void lcd_remote_update_rect(int x, int y, int width, int height) -{ - int ymax; - - if (!remote_initialized) - return; - - /* The Y coordinates have to work on even 8 pixel rows */ - ymax = (y + height-1) >> 3; - y >>= 3; - - if(x + width > LCD_REMOTE_WIDTH) - width = LCD_REMOTE_WIDTH - x; - if (width <= 0) - return; /* nothing left to do, 0 is harmful to lcd_write_data() */ - if(ymax >= LCD_REMOTE_FBHEIGHT) - ymax = LCD_REMOTE_FBHEIGHT-1; - -#ifdef HAVE_REMOTE_LCD_TICKING - /* Adjust byte delay for emi reduction */ - byte_delay = emireduce ? cpu_frequency / 197600 + 28: 0; -#endif - - /* Copy specified rectange bitmap to hardware */ - for (; y <= ymax; y++) - { - lcd_remote_write_command(LCD_REMOTE_CNTL_SET_PAGE_ADDRESS | y); - lcd_remote_write_command(LCD_REMOTE_CNTL_HIGHCOL | (((x+xoffset) >> 4) & 0xf)); - lcd_remote_write_command(LCD_REMOTE_CNTL_LOWCOL | ((x+xoffset) & 0xf)); - lcd_remote_write_data(&lcd_remote_framebuffer[y][x], width); - } -} -#endif /* !SIMULATOR */ - -/*** parameter handling ***/ - -void lcd_remote_set_drawmode(int mode) -{ - drawmode = mode & (DRMODE_SOLID|DRMODE_INVERSEVID); -} - -int lcd_remote_get_drawmode(void) -{ - return drawmode; -} - -void lcd_remote_setmargins(int x, int y) -{ - xmargin = x; - ymargin = y; -} - -int lcd_remote_getxmargin(void) -{ - return xmargin; -} - -int lcd_remote_getymargin(void) -{ - return ymargin; -} - - -void lcd_remote_setfont(int newfont) -{ - curfont = newfont; -} - -int lcd_remote_getstringsize(const unsigned char *str, int *w, int *h) -{ - return font_getstringsize(str, w, h, curfont); -} - -/*** low-level drawing functions ***/ - -static void setpixel(int x, int y) -{ - lcd_remote_framebuffer[y>>3][x] |= 1 << (y & 7); -} - -static void clearpixel(int x, int y) -{ - lcd_remote_framebuffer[y>>3][x] &= ~(1 << (y & 7)); -} - -static void flippixel(int x, int y) -{ - lcd_remote_framebuffer[y>>3][x] ^= 1 << (y & 7); -} - -static void nopixel(int x, int y) -{ - (void)x; - (void)y; -} - -lcd_remote_pixelfunc_type* const lcd_remote_pixelfuncs[8] = { - flippixel, nopixel, setpixel, setpixel, - nopixel, clearpixel, nopixel, clearpixel -}; - -static void flipblock(fb_remote_data *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void flipblock(fb_remote_data *address, unsigned mask, unsigned bits) -{ - *address ^= bits & mask; -} - -static void bgblock(fb_remote_data *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void bgblock(fb_remote_data *address, unsigned mask, unsigned bits) -{ - *address &= bits | ~mask; -} - -static void fgblock(fb_remote_data *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void fgblock(fb_remote_data *address, unsigned mask, unsigned bits) -{ - *address |= bits & mask; -} - -static void solidblock(fb_remote_data *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void solidblock(fb_remote_data *address, unsigned mask, unsigned bits) -{ - unsigned data = *address; - - bits ^= data; - *address = data ^ (bits & mask); -} - -static void flipinvblock(fb_remote_data *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void flipinvblock(fb_remote_data *address, unsigned mask, unsigned bits) -{ - *address ^= ~bits & mask; -} - -static void bginvblock(fb_remote_data *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void bginvblock(fb_remote_data *address, unsigned mask, unsigned bits) -{ - *address &= ~(bits & mask); -} - -static void fginvblock(fb_remote_data *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void fginvblock(fb_remote_data *address, unsigned mask, unsigned bits) -{ - *address |= ~bits & mask; -} - -static void solidinvblock(fb_remote_data *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void solidinvblock(fb_remote_data *address, unsigned mask, unsigned bits) -{ - unsigned data = *address; - - bits = ~bits ^ data; - *address = data ^ (bits & mask); -} - -lcd_remote_blockfunc_type* const lcd_remote_blockfuncs[8] = { - flipblock, bgblock, fgblock, solidblock, - flipinvblock, bginvblock, fginvblock, solidinvblock -}; - -/*** drawing functions ***/ - -/* Clear the whole display */ -void lcd_remote_clear_display(void) -{ - unsigned bits = (drawmode & DRMODE_INVERSEVID) ? 0xFFu : 0; - - memset(lcd_remote_framebuffer, bits, sizeof lcd_remote_framebuffer); - scrolling_lines = 0; -} - -/* Set a single pixel */ -void lcd_remote_drawpixel(int x, int y) -{ - if (((unsigned)x < LCD_REMOTE_WIDTH) && ((unsigned)y < LCD_REMOTE_HEIGHT)) - lcd_remote_pixelfuncs[drawmode](x, y); -} - -/* Draw a line */ -void lcd_remote_drawline(int x1, int y1, int x2, int y2) -{ - int numpixels; - int i; - int deltax, deltay; - int d, dinc1, dinc2; - int x, xinc1, xinc2; - int y, yinc1, yinc2; - lcd_remote_pixelfunc_type *pfunc = lcd_remote_pixelfuncs[drawmode]; - - deltax = abs(x2 - x1); - deltay = abs(y2 - y1); - xinc2 = 1; - yinc2 = 1; - - if (deltax >= deltay) - { - numpixels = deltax; - d = 2 * deltay - deltax; - dinc1 = deltay * 2; - dinc2 = (deltay - deltax) * 2; - xinc1 = 1; - yinc1 = 0; - } - else - { - numpixels = deltay; - d = 2 * deltax - deltay; - dinc1 = deltax * 2; - dinc2 = (deltax - deltay) * 2; - xinc1 = 0; - yinc1 = 1; - } - numpixels++; /* include endpoints */ - - if (x1 > x2) - { - xinc1 = -xinc1; - xinc2 = -xinc2; - } - - if (y1 > y2) - { - yinc1 = -yinc1; - yinc2 = -yinc2; - } - - x = x1; - y = y1; - - for (i = 0; i < numpixels; i++) - { - if (((unsigned)x < LCD_REMOTE_WIDTH) && ((unsigned)y < LCD_REMOTE_HEIGHT)) - pfunc(x, y); - - if (d < 0) - { - d += dinc1; - x += xinc1; - y += yinc1; - } - else - { - d += dinc2; - x += xinc2; - y += yinc2; - } - } -} - -/* Draw a horizontal line (optimised) */ -void lcd_remote_hline(int x1, int x2, int y) -{ - int x; - fb_remote_data *dst, *dst_end; - unsigned mask; - lcd_remote_blockfunc_type *bfunc; - - /* direction flip */ - if (x2 < x1) - { - x = x1; - x1 = x2; - x2 = x; - } - - /* nothing to draw? */ - if (((unsigned)y >= LCD_REMOTE_HEIGHT) || (x1 >= LCD_REMOTE_WIDTH) - || (x2 < 0)) - return; - - /* clipping */ - if (x1 < 0) - x1 = 0; - if (x2 >= LCD_REMOTE_WIDTH) - x2 = LCD_REMOTE_WIDTH-1; - - bfunc = lcd_remote_blockfuncs[drawmode]; - dst = &lcd_remote_framebuffer[y>>3][x1]; - mask = 1 << (y & 7); - - dst_end = dst + x2 - x1; - do - bfunc(dst++, mask, 0xFFu); - while (dst <= dst_end); -} - -/* Draw a vertical line (optimised) */ -void lcd_remote_vline(int x, int y1, int y2) -{ - int ny; - fb_remote_data *dst; - unsigned mask, mask_bottom; - lcd_remote_blockfunc_type *bfunc; - - /* direction flip */ - if (y2 < y1) - { - ny = y1; - y1 = y2; - y2 = ny; - } - - /* nothing to draw? */ - if (((unsigned)x >= LCD_REMOTE_WIDTH) || (y1 >= LCD_REMOTE_HEIGHT) - || (y2 < 0)) - return; - - /* clipping */ - if (y1 < 0) - y1 = 0; - if (y2 >= LCD_REMOTE_HEIGHT) - y2 = LCD_REMOTE_HEIGHT-1; - - bfunc = lcd_remote_blockfuncs[drawmode]; - dst = &lcd_remote_framebuffer[y1>>3][x]; - ny = y2 - (y1 & ~7); - mask = 0xFFu << (y1 & 7); - mask_bottom = 0xFFu >> (~ny & 7); - - for (; ny >= 8; ny -= 8) - { - bfunc(dst, mask, 0xFFu); - dst += LCD_REMOTE_WIDTH; - mask = 0xFFu; - } - mask &= mask_bottom; - bfunc(dst, mask, 0xFFu); -} - -/* Draw a rectangular box */ -void lcd_remote_drawrect(int x, int y, int width, int height) -{ - if ((width <= 0) || (height <= 0)) - return; - - int x2 = x + width - 1; - int y2 = y + height - 1; - - lcd_remote_vline(x, y, y2); - lcd_remote_vline(x2, y, y2); - lcd_remote_hline(x, x2, y); - lcd_remote_hline(x, x2, y2); -} - -/* Fill a rectangular area */ -void lcd_remote_fillrect(int x, int y, int width, int height) -{ - int ny; - fb_remote_data *dst, *dst_end; - unsigned mask, mask_bottom; - unsigned bits = 0; - lcd_remote_blockfunc_type *bfunc; - bool fillopt = false; - - /* nothing to draw? */ - if ((width <= 0) || (height <= 0) || (x >= LCD_REMOTE_WIDTH) - || (y >= LCD_REMOTE_HEIGHT) || (x + width <= 0) || (y + height <= 0)) - return; - - /* clipping */ - if (x < 0) - { - width += x; - x = 0; - } - if (y < 0) - { - height += y; - y = 0; - } - if (x + width > LCD_REMOTE_WIDTH) - width = LCD_REMOTE_WIDTH - x; - if (y + height > LCD_REMOTE_HEIGHT) - height = LCD_REMOTE_HEIGHT - y; - - if (drawmode & DRMODE_INVERSEVID) - { - if (drawmode & DRMODE_BG) - { - fillopt = true; - } - } - else - { - if (drawmode & DRMODE_FG) - { - fillopt = true; - bits = 0xFFu; - } - } - bfunc = lcd_remote_blockfuncs[drawmode]; - dst = &lcd_remote_framebuffer[y>>3][x]; - ny = height - 1 + (y & 7); - mask = 0xFFu << (y & 7); - mask_bottom = 0xFFu >> (~ny & 7); - - for (; ny >= 8; ny -= 8) - { - if (fillopt && (mask == 0xFFu)) - memset(dst, bits, width); - else - { - fb_remote_data *dst_row = dst; - - dst_end = dst_row + width; - do - bfunc(dst_row++, mask, 0xFFu); - while (dst_row < dst_end); - } - - dst += LCD_REMOTE_WIDTH; - mask = 0xFFu; - } - mask &= mask_bottom; - - if (fillopt && (mask == 0xFFu)) - memset(dst, bits, width); - else - { - dst_end = dst + width; - do - bfunc(dst++, mask, 0xFFu); - while (dst < dst_end); - } -} - -/* About Rockbox' internal bitmap format: - * - * A bitmap contains one bit for every pixel that defines if that pixel is - * black (1) or white (0). Bits within a byte are arranged vertically, LSB - * at top. - * The bytes are stored in row-major order, with byte 0 being top left, - * byte 1 2nd from left etc. The first row of bytes defines pixel rows - * 0..7, the second row defines pixel row 8..15 etc. - * - * This is the same as the internal lcd hw format. */ - -/* Draw a partial bitmap */ -void lcd_remote_bitmap_part(const unsigned char *src, int src_x, int src_y, - int stride, int x, int y, int width, int height) - ICODE_ATTR; -void lcd_remote_bitmap_part(const unsigned char *src, int src_x, int src_y, - int stride, int x, int y, int width, int height) -{ - int shift, ny; - fb_remote_data *dst, *dst_end; - unsigned mask, mask_bottom; - lcd_remote_blockfunc_type *bfunc; - - /* nothing to draw? */ - if ((width <= 0) || (height <= 0) || (x >= LCD_REMOTE_WIDTH) - || (y >= LCD_REMOTE_HEIGHT) || (x + width <= 0) || (y + height <= 0)) - return; - - /* clipping */ - if (x < 0) - { - width += x; - src_x -= x; - x = 0; - } - if (y < 0) - { - height += y; - src_y -= y; - y = 0; - } - if (x + width > LCD_REMOTE_WIDTH) - width = LCD_REMOTE_WIDTH - x; - if (y + height > LCD_REMOTE_HEIGHT) - height = LCD_REMOTE_HEIGHT - y; - - src += stride * (src_y >> 3) + src_x; /* move starting point */ - src_y &= 7; - y -= src_y; - dst = &lcd_remote_framebuffer[y>>3][x]; - shift = y & 7; - ny = height - 1 + shift + src_y; - - bfunc = lcd_remote_blockfuncs[drawmode]; - mask = 0xFFu << (shift + src_y); - mask_bottom = 0xFFu >> (~ny & 7); - - if (shift == 0) - { - bool copyopt = (drawmode == DRMODE_SOLID); - - for (; ny >= 8; ny -= 8) - { - if (copyopt && (mask == 0xFFu)) - memcpy(dst, src, width); - else - { - const unsigned char *src_row = src; - fb_remote_data *dst_row = dst; - - dst_end = dst_row + width; - do - bfunc(dst_row++, mask, *src_row++); - while (dst_row < dst_end); - } - - src += stride; - dst += LCD_REMOTE_WIDTH; - mask = 0xFFu; - } - mask &= mask_bottom; - - if (copyopt && (mask == 0xFFu)) - memcpy(dst, src, width); - else - { - dst_end = dst + width; - do - bfunc(dst++, mask, *src++); - while (dst < dst_end); - } - } - else - { - dst_end = dst + width; - do - { - const unsigned char *src_col = src++; - fb_remote_data *dst_col = dst++; - unsigned mask_col = mask; - unsigned data = 0; - - for (y = ny; y >= 8; y -= 8) - { - data |= *src_col << shift; - - if (mask_col & 0xFFu) - { - bfunc(dst_col, mask_col, data); - mask_col = 0xFFu; - } - else - mask_col >>= 8; - - src_col += stride; - dst_col += LCD_REMOTE_WIDTH; - data >>= 8; - } - data |= *src_col << shift; - bfunc(dst_col, mask_col & mask_bottom, data); - } - while (dst < dst_end); - } -} - -/* Draw a full bitmap */ -void lcd_remote_bitmap(const unsigned char *src, int x, int y, int width, - int height) -{ - lcd_remote_bitmap_part(src, 0, 0, width, x, y, width, height); -} - -/* put a string at a given pixel position, skipping first ofs pixel columns */ -static void lcd_remote_putsxyofs(int x, int y, int ofs, const unsigned char *str) -{ - unsigned short ch; - unsigned short *ucs; - struct font* pf = font_get(curfont); - - ucs = bidi_l2v(str, 1); - - while ((ch = *ucs++) != 0 && x < LCD_REMOTE_WIDTH) - { - int width; - const unsigned char *bits; - - /* get proportional width and glyph bits */ - width = font_get_width(pf, ch); - - if (ofs > width) - { - ofs -= width; - continue; - } - - bits = font_get_bits(pf, ch); - - lcd_remote_bitmap_part(bits, ofs, 0, width, x, y, width - ofs, - pf->height); - - x += width - ofs; - ofs = 0; - } -} - -/* put a string at a given pixel position */ -void lcd_remote_putsxy(int x, int y, const unsigned char *str) -{ - lcd_remote_putsxyofs(x, y, 0, str); -} - -/*** line oriented text output ***/ - -/* put a string at a given char position */ -void lcd_remote_puts(int x, int y, const unsigned char *str) -{ - lcd_remote_puts_style_offset(x, y, str, STYLE_DEFAULT, 0); -} - -void lcd_remote_puts_style(int x, int y, const unsigned char *str, int style) -{ - lcd_remote_puts_style_offset(x, y, str, style, 0); -} - -void lcd_remote_puts_offset(int x, int y, const unsigned char *str, int offset) -{ - lcd_remote_puts_style_offset(x, y, str, STYLE_DEFAULT, offset); -} - -/* put a string at a given char position, style, and pixel position, - * skipping first offset pixel columns */ -void lcd_remote_puts_style_offset(int x, int y, const unsigned char *str, - int style, int offset) -{ - int xpos,ypos,w,h,xrect; - int lastmode = drawmode; - - /* make sure scrolling is turned off on the line we are updating */ - scrolling_lines &= ~(1 << y); - - if(!str || !str[0]) - return; - - lcd_remote_getstringsize(str, &w, &h); - xpos = xmargin + x*w / utf8length((char *)str); - ypos = ymargin + y*h; - drawmode = (style & STYLE_INVERT) ? - (DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID; - lcd_remote_putsxyofs(xpos, ypos, offset, str); - drawmode ^= DRMODE_INVERSEVID; - xrect = xpos + MAX(w - offset, 0); - lcd_remote_fillrect(xrect, ypos, LCD_REMOTE_WIDTH - xrect, h); - drawmode = lastmode; -} - -/*** scrolling ***/ - -/* Reverse the invert setting of the scrolling line (if any) at given char - position. Setting will go into affect next time line scrolls. */ -void lcd_remote_invertscroll(int x, int y) -{ - struct scrollinfo* s; - - (void)x; - - s = &scroll[y]; - s->invert = !s->invert; -} - -void lcd_remote_stop_scroll(void) -{ - scrolling_lines=0; -} - -void lcd_remote_scroll_speed(int speed) -{ - scroll_ticks = scroll_tick_table[speed]; -} - -void lcd_remote_scroll_step(int step) -{ - scroll_step = step; -} - -void lcd_remote_scroll_delay(int ms) -{ - scroll_delay = ms / (HZ / 10); -} - -void lcd_remote_bidir_scroll(int percent) -{ - bidir_limit = percent; -} - -void lcd_remote_puts_scroll(int x, int y, const unsigned char *string) -{ - lcd_remote_puts_scroll_style(x, y, string, STYLE_DEFAULT); -} - -void lcd_remote_puts_scroll_style(int x, int y, const unsigned char *string, int style) -{ - lcd_remote_puts_scroll_style_offset(x, y, string, style, 0); -} - -void lcd_remote_puts_scroll_offset(int x, int y, const unsigned char *string, int offset) -{ - lcd_remote_puts_scroll_style_offset(x, y, string, STYLE_DEFAULT, offset); -} - -void lcd_remote_puts_scroll_style_offset(int x, int y, const unsigned char *string, - int style, int offset) -{ - struct scrollinfo* s; - int w, h; - - s = &scroll[y]; - - s->start_tick = current_tick + scroll_delay; - s->invert = false; - if (style & STYLE_INVERT) { - s->invert = true; - lcd_remote_puts_style_offset(x,y,string,STYLE_INVERT,offset); - } - else - lcd_remote_puts_offset(x,y,string,offset); - - lcd_remote_getstringsize(string, &w, &h); - - if (LCD_REMOTE_WIDTH - x * 8 - xmargin < w) { - /* prepare scroll line */ - char *end; - - memset(s->line, 0, sizeof s->line); - strcpy(s->line, (char *)string); - - /* get width */ - s->width = lcd_remote_getstringsize((unsigned char *)s->line, &w, &h); - - /* scroll bidirectional or forward only depending on the string - width */ - if ( bidir_limit ) { - s->bidir = s->width < (LCD_REMOTE_WIDTH - xmargin) * - (100 + bidir_limit) / 100; - } - else - s->bidir = false; - - if (!s->bidir) { /* add spaces if scrolling in the round */ - strcat(s->line, " "); - /* get new width incl. spaces */ - s->width = lcd_remote_getstringsize((unsigned char *)s->line, &w, &h); - } - - end = strchr(s->line, '\0'); - strncpy(end, (char *)string, LCD_REMOTE_WIDTH/2); - - s->len = utf8length((char *)string); - s->offset = offset; - s->startx = xmargin + x * s->width / s->len;; - s->backward = false; - scrolling_lines |= (1<= 0) - continue; -#endif - for ( index = 0; index < SCROLLABLE_LINES; index++ ) { - /* really scroll? */ - if ( !(scrolling_lines&(1<start_tick)) - continue; - - if (s->backward) - s->offset -= scroll_step; - else - s->offset += scroll_step; - - pf = font_get(curfont); - xpos = s->startx; - ypos = ymargin + index * pf->height; - - if (s->bidir) { /* scroll bidirectional */ - if (s->offset <= 0) { - /* at beginning of line */ - s->offset = 0; - s->backward = false; - s->start_tick = current_tick + scroll_delay * 2; - } - if (s->offset >= s->width - (LCD_REMOTE_WIDTH - xpos)) { - /* at end of line */ - s->offset = s->width - (LCD_REMOTE_WIDTH - xpos); - s->backward = true; - s->start_tick = current_tick + scroll_delay * 2; - } - } - else { - /* scroll forward the whole time */ - if (s->offset >= s->width) - s->offset %= s->width; - } - - lastmode = drawmode; - drawmode = s->invert ? - (DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID; - lcd_remote_putsxyofs(xpos, ypos, s->offset, s->line); - drawmode = lastmode; - lcd_remote_update_rect(xpos, ypos, LCD_REMOTE_WIDTH - xpos, pf->height); - } - - next_tick += scroll_ticks; - delay = next_tick - current_tick - 1; - if (delay < 0) - { - next_tick = current_tick + 1; - delay = 0; - } - } -} - diff --git a/firmware/drivers/lcd-remote-1bit-v.c b/firmware/drivers/lcd-remote-1bit-v.c new file mode 100644 index 0000000000..c81ccc83c9 --- /dev/null +++ b/firmware/drivers/lcd-remote-1bit-v.c @@ -0,0 +1,907 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2005 by Richard S. La Charité III + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * 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 "lcd-remote.h" +#include "kernel.h" +#include "thread.h" +#include +#include +#include "file.h" +#include "debug.h" +#include "system.h" +#include "font.h" +#include "rbunicode.h" +#include "bidi.h" + +#define SCROLLABLE_LINES (((LCD_REMOTE_HEIGHT+4)/5 < 32) ? (LCD_REMOTE_HEIGHT+4)/5 : 32) + +/*** globals ***/ + +fb_remote_data lcd_remote_framebuffer[LCD_REMOTE_FBHEIGHT][LCD_REMOTE_FBWIDTH] + IBSS_ATTR; + +static int drawmode = DRMODE_SOLID; +static int xmargin = 0; +static int ymargin = 0; +static int curfont = FONT_SYSFIXED; + +/* scrolling */ +static volatile int scrolling_lines=0; /* Bitpattern of which lines are scrolling */ +static void scroll_thread(void); +static long scroll_stack[DEFAULT_STACK_SIZE/sizeof(long)]; +static const char scroll_name[] = "remote_scroll"; +static int scroll_ticks = 12; /* # of ticks between updates*/ +static int scroll_delay = HZ/2; /* ticks delay before start */ +static int scroll_step = 6; /* pixels per scroll step */ +static int bidir_limit = 50; /* percent */ +static struct scrollinfo scroll[SCROLLABLE_LINES]; + +static const char scroll_tick_table[16] = { + /* Hz values: + 1, 1.25, 1.55, 2, 2.5, 3.12, 4, 5, 6.25, 8.33, 10, 12.5, 16.7, 20, 25, 33 */ + 100, 80, 64, 50, 40, 32, 25, 20, 16, 12, 10, 8, 6, 5, 4, 3 +}; + +/* remote hotplug */ +#ifndef SIMULATOR +struct event_queue remote_scroll_queue; +#endif + +/*** parameter handling ***/ + +void lcd_remote_set_drawmode(int mode) +{ + drawmode = mode & (DRMODE_SOLID|DRMODE_INVERSEVID); +} + +int lcd_remote_get_drawmode(void) +{ + return drawmode; +} + +void lcd_remote_setmargins(int x, int y) +{ + xmargin = x; + ymargin = y; +} + +int lcd_remote_getxmargin(void) +{ + return xmargin; +} + +int lcd_remote_getymargin(void) +{ + return ymargin; +} + + +void lcd_remote_setfont(int newfont) +{ + curfont = newfont; +} + +int lcd_remote_getstringsize(const unsigned char *str, int *w, int *h) +{ + return font_getstringsize(str, w, h, curfont); +} + +/*** low-level drawing functions ***/ + +static void setpixel(int x, int y) +{ + lcd_remote_framebuffer[y>>3][x] |= 1 << (y & 7); +} + +static void clearpixel(int x, int y) +{ + lcd_remote_framebuffer[y>>3][x] &= ~(1 << (y & 7)); +} + +static void flippixel(int x, int y) +{ + lcd_remote_framebuffer[y>>3][x] ^= 1 << (y & 7); +} + +static void nopixel(int x, int y) +{ + (void)x; + (void)y; +} + +lcd_remote_pixelfunc_type* const lcd_remote_pixelfuncs[8] = { + flippixel, nopixel, setpixel, setpixel, + nopixel, clearpixel, nopixel, clearpixel +}; + +static void flipblock(fb_remote_data *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void flipblock(fb_remote_data *address, unsigned mask, unsigned bits) +{ + *address ^= bits & mask; +} + +static void bgblock(fb_remote_data *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void bgblock(fb_remote_data *address, unsigned mask, unsigned bits) +{ + *address &= bits | ~mask; +} + +static void fgblock(fb_remote_data *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void fgblock(fb_remote_data *address, unsigned mask, unsigned bits) +{ + *address |= bits & mask; +} + +static void solidblock(fb_remote_data *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void solidblock(fb_remote_data *address, unsigned mask, unsigned bits) +{ + unsigned data = *address; + + bits ^= data; + *address = data ^ (bits & mask); +} + +static void flipinvblock(fb_remote_data *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void flipinvblock(fb_remote_data *address, unsigned mask, unsigned bits) +{ + *address ^= ~bits & mask; +} + +static void bginvblock(fb_remote_data *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void bginvblock(fb_remote_data *address, unsigned mask, unsigned bits) +{ + *address &= ~(bits & mask); +} + +static void fginvblock(fb_remote_data *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void fginvblock(fb_remote_data *address, unsigned mask, unsigned bits) +{ + *address |= ~bits & mask; +} + +static void solidinvblock(fb_remote_data *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void solidinvblock(fb_remote_data *address, unsigned mask, unsigned bits) +{ + unsigned data = *address; + + bits = ~bits ^ data; + *address = data ^ (bits & mask); +} + +lcd_remote_blockfunc_type* const lcd_remote_blockfuncs[8] = { + flipblock, bgblock, fgblock, solidblock, + flipinvblock, bginvblock, fginvblock, solidinvblock +}; + +/*** drawing functions ***/ + +/* Clear the whole display */ +void lcd_remote_clear_display(void) +{ + unsigned bits = (drawmode & DRMODE_INVERSEVID) ? 0xFFu : 0; + + memset(lcd_remote_framebuffer, bits, sizeof lcd_remote_framebuffer); + scrolling_lines = 0; +} + +/* Set a single pixel */ +void lcd_remote_drawpixel(int x, int y) +{ + if (((unsigned)x < LCD_REMOTE_WIDTH) && ((unsigned)y < LCD_REMOTE_HEIGHT)) + lcd_remote_pixelfuncs[drawmode](x, y); +} + +/* Draw a line */ +void lcd_remote_drawline(int x1, int y1, int x2, int y2) +{ + int numpixels; + int i; + int deltax, deltay; + int d, dinc1, dinc2; + int x, xinc1, xinc2; + int y, yinc1, yinc2; + lcd_remote_pixelfunc_type *pfunc = lcd_remote_pixelfuncs[drawmode]; + + deltax = abs(x2 - x1); + deltay = abs(y2 - y1); + xinc2 = 1; + yinc2 = 1; + + if (deltax >= deltay) + { + numpixels = deltax; + d = 2 * deltay - deltax; + dinc1 = deltay * 2; + dinc2 = (deltay - deltax) * 2; + xinc1 = 1; + yinc1 = 0; + } + else + { + numpixels = deltay; + d = 2 * deltax - deltay; + dinc1 = deltax * 2; + dinc2 = (deltax - deltay) * 2; + xinc1 = 0; + yinc1 = 1; + } + numpixels++; /* include endpoints */ + + if (x1 > x2) + { + xinc1 = -xinc1; + xinc2 = -xinc2; + } + + if (y1 > y2) + { + yinc1 = -yinc1; + yinc2 = -yinc2; + } + + x = x1; + y = y1; + + for (i = 0; i < numpixels; i++) + { + if (((unsigned)x < LCD_REMOTE_WIDTH) && ((unsigned)y < LCD_REMOTE_HEIGHT)) + pfunc(x, y); + + if (d < 0) + { + d += dinc1; + x += xinc1; + y += yinc1; + } + else + { + d += dinc2; + x += xinc2; + y += yinc2; + } + } +} + +/* Draw a horizontal line (optimised) */ +void lcd_remote_hline(int x1, int x2, int y) +{ + int x; + fb_remote_data *dst, *dst_end; + unsigned mask; + lcd_remote_blockfunc_type *bfunc; + + /* direction flip */ + if (x2 < x1) + { + x = x1; + x1 = x2; + x2 = x; + } + + /* nothing to draw? */ + if (((unsigned)y >= LCD_REMOTE_HEIGHT) || (x1 >= LCD_REMOTE_WIDTH) + || (x2 < 0)) + return; + + /* clipping */ + if (x1 < 0) + x1 = 0; + if (x2 >= LCD_REMOTE_WIDTH) + x2 = LCD_REMOTE_WIDTH-1; + + bfunc = lcd_remote_blockfuncs[drawmode]; + dst = &lcd_remote_framebuffer[y>>3][x1]; + mask = 1 << (y & 7); + + dst_end = dst + x2 - x1; + do + bfunc(dst++, mask, 0xFFu); + while (dst <= dst_end); +} + +/* Draw a vertical line (optimised) */ +void lcd_remote_vline(int x, int y1, int y2) +{ + int ny; + fb_remote_data *dst; + unsigned mask, mask_bottom; + lcd_remote_blockfunc_type *bfunc; + + /* direction flip */ + if (y2 < y1) + { + ny = y1; + y1 = y2; + y2 = ny; + } + + /* nothing to draw? */ + if (((unsigned)x >= LCD_REMOTE_WIDTH) || (y1 >= LCD_REMOTE_HEIGHT) + || (y2 < 0)) + return; + + /* clipping */ + if (y1 < 0) + y1 = 0; + if (y2 >= LCD_REMOTE_HEIGHT) + y2 = LCD_REMOTE_HEIGHT-1; + + bfunc = lcd_remote_blockfuncs[drawmode]; + dst = &lcd_remote_framebuffer[y1>>3][x]; + ny = y2 - (y1 & ~7); + mask = 0xFFu << (y1 & 7); + mask_bottom = 0xFFu >> (~ny & 7); + + for (; ny >= 8; ny -= 8) + { + bfunc(dst, mask, 0xFFu); + dst += LCD_REMOTE_WIDTH; + mask = 0xFFu; + } + mask &= mask_bottom; + bfunc(dst, mask, 0xFFu); +} + +/* Draw a rectangular box */ +void lcd_remote_drawrect(int x, int y, int width, int height) +{ + if ((width <= 0) || (height <= 0)) + return; + + int x2 = x + width - 1; + int y2 = y + height - 1; + + lcd_remote_vline(x, y, y2); + lcd_remote_vline(x2, y, y2); + lcd_remote_hline(x, x2, y); + lcd_remote_hline(x, x2, y2); +} + +/* Fill a rectangular area */ +void lcd_remote_fillrect(int x, int y, int width, int height) +{ + int ny; + fb_remote_data *dst, *dst_end; + unsigned mask, mask_bottom; + unsigned bits = 0; + lcd_remote_blockfunc_type *bfunc; + bool fillopt = false; + + /* nothing to draw? */ + if ((width <= 0) || (height <= 0) || (x >= LCD_REMOTE_WIDTH) + || (y >= LCD_REMOTE_HEIGHT) || (x + width <= 0) || (y + height <= 0)) + return; + + /* clipping */ + if (x < 0) + { + width += x; + x = 0; + } + if (y < 0) + { + height += y; + y = 0; + } + if (x + width > LCD_REMOTE_WIDTH) + width = LCD_REMOTE_WIDTH - x; + if (y + height > LCD_REMOTE_HEIGHT) + height = LCD_REMOTE_HEIGHT - y; + + if (drawmode & DRMODE_INVERSEVID) + { + if (drawmode & DRMODE_BG) + { + fillopt = true; + } + } + else + { + if (drawmode & DRMODE_FG) + { + fillopt = true; + bits = 0xFFu; + } + } + bfunc = lcd_remote_blockfuncs[drawmode]; + dst = &lcd_remote_framebuffer[y>>3][x]; + ny = height - 1 + (y & 7); + mask = 0xFFu << (y & 7); + mask_bottom = 0xFFu >> (~ny & 7); + + for (; ny >= 8; ny -= 8) + { + if (fillopt && (mask == 0xFFu)) + memset(dst, bits, width); + else + { + fb_remote_data *dst_row = dst; + + dst_end = dst_row + width; + do + bfunc(dst_row++, mask, 0xFFu); + while (dst_row < dst_end); + } + + dst += LCD_REMOTE_WIDTH; + mask = 0xFFu; + } + mask &= mask_bottom; + + if (fillopt && (mask == 0xFFu)) + memset(dst, bits, width); + else + { + dst_end = dst + width; + do + bfunc(dst++, mask, 0xFFu); + while (dst < dst_end); + } +} + +/* About Rockbox' internal bitmap format: + * + * A bitmap contains one bit for every pixel that defines if that pixel is + * black (1) or white (0). Bits within a byte are arranged vertically, LSB + * at top. + * The bytes are stored in row-major order, with byte 0 being top left, + * byte 1 2nd from left etc. The first row of bytes defines pixel rows + * 0..7, the second row defines pixel row 8..15 etc. + * + * This is the same as the internal lcd hw format. */ + +/* Draw a partial bitmap */ +void lcd_remote_bitmap_part(const unsigned char *src, int src_x, int src_y, + int stride, int x, int y, int width, int height) + ICODE_ATTR; +void lcd_remote_bitmap_part(const unsigned char *src, int src_x, int src_y, + int stride, int x, int y, int width, int height) +{ + int shift, ny; + fb_remote_data *dst, *dst_end; + unsigned mask, mask_bottom; + lcd_remote_blockfunc_type *bfunc; + + /* nothing to draw? */ + if ((width <= 0) || (height <= 0) || (x >= LCD_REMOTE_WIDTH) + || (y >= LCD_REMOTE_HEIGHT) || (x + width <= 0) || (y + height <= 0)) + return; + + /* clipping */ + if (x < 0) + { + width += x; + src_x -= x; + x = 0; + } + if (y < 0) + { + height += y; + src_y -= y; + y = 0; + } + if (x + width > LCD_REMOTE_WIDTH) + width = LCD_REMOTE_WIDTH - x; + if (y + height > LCD_REMOTE_HEIGHT) + height = LCD_REMOTE_HEIGHT - y; + + src += stride * (src_y >> 3) + src_x; /* move starting point */ + src_y &= 7; + y -= src_y; + dst = &lcd_remote_framebuffer[y>>3][x]; + shift = y & 7; + ny = height - 1 + shift + src_y; + + bfunc = lcd_remote_blockfuncs[drawmode]; + mask = 0xFFu << (shift + src_y); + mask_bottom = 0xFFu >> (~ny & 7); + + if (shift == 0) + { + bool copyopt = (drawmode == DRMODE_SOLID); + + for (; ny >= 8; ny -= 8) + { + if (copyopt && (mask == 0xFFu)) + memcpy(dst, src, width); + else + { + const unsigned char *src_row = src; + fb_remote_data *dst_row = dst; + + dst_end = dst_row + width; + do + bfunc(dst_row++, mask, *src_row++); + while (dst_row < dst_end); + } + + src += stride; + dst += LCD_REMOTE_WIDTH; + mask = 0xFFu; + } + mask &= mask_bottom; + + if (copyopt && (mask == 0xFFu)) + memcpy(dst, src, width); + else + { + dst_end = dst + width; + do + bfunc(dst++, mask, *src++); + while (dst < dst_end); + } + } + else + { + dst_end = dst + width; + do + { + const unsigned char *src_col = src++; + fb_remote_data *dst_col = dst++; + unsigned mask_col = mask; + unsigned data = 0; + + for (y = ny; y >= 8; y -= 8) + { + data |= *src_col << shift; + + if (mask_col & 0xFFu) + { + bfunc(dst_col, mask_col, data); + mask_col = 0xFFu; + } + else + mask_col >>= 8; + + src_col += stride; + dst_col += LCD_REMOTE_WIDTH; + data >>= 8; + } + data |= *src_col << shift; + bfunc(dst_col, mask_col & mask_bottom, data); + } + while (dst < dst_end); + } +} + +/* Draw a full bitmap */ +void lcd_remote_bitmap(const unsigned char *src, int x, int y, int width, + int height) +{ + lcd_remote_bitmap_part(src, 0, 0, width, x, y, width, height); +} + +/* put a string at a given pixel position, skipping first ofs pixel columns */ +static void lcd_remote_putsxyofs(int x, int y, int ofs, const unsigned char *str) +{ + unsigned short ch; + unsigned short *ucs; + struct font* pf = font_get(curfont); + + ucs = bidi_l2v(str, 1); + + while ((ch = *ucs++) != 0 && x < LCD_REMOTE_WIDTH) + { + int width; + const unsigned char *bits; + + /* get proportional width and glyph bits */ + width = font_get_width(pf, ch); + + if (ofs > width) + { + ofs -= width; + continue; + } + + bits = font_get_bits(pf, ch); + + lcd_remote_bitmap_part(bits, ofs, 0, width, x, y, width - ofs, + pf->height); + + x += width - ofs; + ofs = 0; + } +} + +/* put a string at a given pixel position */ +void lcd_remote_putsxy(int x, int y, const unsigned char *str) +{ + lcd_remote_putsxyofs(x, y, 0, str); +} + +/*** line oriented text output ***/ + +/* put a string at a given char position */ +void lcd_remote_puts(int x, int y, const unsigned char *str) +{ + lcd_remote_puts_style_offset(x, y, str, STYLE_DEFAULT, 0); +} + +void lcd_remote_puts_style(int x, int y, const unsigned char *str, int style) +{ + lcd_remote_puts_style_offset(x, y, str, style, 0); +} + +void lcd_remote_puts_offset(int x, int y, const unsigned char *str, int offset) +{ + lcd_remote_puts_style_offset(x, y, str, STYLE_DEFAULT, offset); +} + +/* put a string at a given char position, style, and pixel position, + * skipping first offset pixel columns */ +void lcd_remote_puts_style_offset(int x, int y, const unsigned char *str, + int style, int offset) +{ + int xpos,ypos,w,h,xrect; + int lastmode = drawmode; + + /* make sure scrolling is turned off on the line we are updating */ + scrolling_lines &= ~(1 << y); + + if(!str || !str[0]) + return; + + lcd_remote_getstringsize(str, &w, &h); + xpos = xmargin + x*w / utf8length((char *)str); + ypos = ymargin + y*h; + drawmode = (style & STYLE_INVERT) ? + (DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID; + lcd_remote_putsxyofs(xpos, ypos, offset, str); + drawmode ^= DRMODE_INVERSEVID; + xrect = xpos + MAX(w - offset, 0); + lcd_remote_fillrect(xrect, ypos, LCD_REMOTE_WIDTH - xrect, h); + drawmode = lastmode; +} + +/*** scrolling ***/ + +/* Reverse the invert setting of the scrolling line (if any) at given char + position. Setting will go into affect next time line scrolls. */ +void lcd_remote_invertscroll(int x, int y) +{ + struct scrollinfo* s; + + (void)x; + + s = &scroll[y]; + s->invert = !s->invert; +} + +void lcd_remote_stop_scroll(void) +{ + scrolling_lines=0; +} + +void lcd_remote_scroll_speed(int speed) +{ + scroll_ticks = scroll_tick_table[speed]; +} + +void lcd_remote_scroll_step(int step) +{ + scroll_step = step; +} + +void lcd_remote_scroll_delay(int ms) +{ + scroll_delay = ms / (HZ / 10); +} + +void lcd_remote_bidir_scroll(int percent) +{ + bidir_limit = percent; +} + +void lcd_remote_puts_scroll(int x, int y, const unsigned char *string) +{ + lcd_remote_puts_scroll_style(x, y, string, STYLE_DEFAULT); +} + +void lcd_remote_puts_scroll_style(int x, int y, const unsigned char *string, int style) +{ + lcd_remote_puts_scroll_style_offset(x, y, string, style, 0); +} + +void lcd_remote_puts_scroll_offset(int x, int y, const unsigned char *string, int offset) +{ + lcd_remote_puts_scroll_style_offset(x, y, string, STYLE_DEFAULT, offset); +} + +void lcd_remote_puts_scroll_style_offset(int x, int y, const unsigned char *string, + int style, int offset) +{ + struct scrollinfo* s; + int w, h; + + s = &scroll[y]; + + s->start_tick = current_tick + scroll_delay; + s->invert = false; + if (style & STYLE_INVERT) { + s->invert = true; + lcd_remote_puts_style_offset(x,y,string,STYLE_INVERT,offset); + } + else + lcd_remote_puts_offset(x,y,string,offset); + + lcd_remote_getstringsize(string, &w, &h); + + if (LCD_REMOTE_WIDTH - x * 8 - xmargin < w) { + /* prepare scroll line */ + char *end; + + memset(s->line, 0, sizeof s->line); + strcpy(s->line, (char *)string); + + /* get width */ + s->width = lcd_remote_getstringsize((unsigned char *)s->line, &w, &h); + + /* scroll bidirectional or forward only depending on the string + width */ + if ( bidir_limit ) { + s->bidir = s->width < (LCD_REMOTE_WIDTH - xmargin) * + (100 + bidir_limit) / 100; + } + else + s->bidir = false; + + if (!s->bidir) { /* add spaces if scrolling in the round */ + strcat(s->line, " "); + /* get new width incl. spaces */ + s->width = lcd_remote_getstringsize((unsigned char *)s->line, &w, &h); + } + + end = strchr(s->line, '\0'); + strncpy(end, (char *)string, LCD_REMOTE_WIDTH/2); + + s->len = utf8length((char *)string); + s->offset = offset; + s->startx = xmargin + x * s->width / s->len;; + s->backward = false; + scrolling_lines |= (1<= 0) + continue; +#endif + for ( index = 0; index < SCROLLABLE_LINES; index++ ) { + /* really scroll? */ + if ( !(scrolling_lines&(1<start_tick)) + continue; + + if (s->backward) + s->offset -= scroll_step; + else + s->offset += scroll_step; + + pf = font_get(curfont); + xpos = s->startx; + ypos = ymargin + index * pf->height; + + if (s->bidir) { /* scroll bidirectional */ + if (s->offset <= 0) { + /* at beginning of line */ + s->offset = 0; + s->backward = false; + s->start_tick = current_tick + scroll_delay * 2; + } + if (s->offset >= s->width - (LCD_REMOTE_WIDTH - xpos)) { + /* at end of line */ + s->offset = s->width - (LCD_REMOTE_WIDTH - xpos); + s->backward = true; + s->start_tick = current_tick + scroll_delay * 2; + } + } + else { + /* scroll forward the whole time */ + if (s->offset >= s->width) + s->offset %= s->width; + } + + lastmode = drawmode; + drawmode = s->invert ? + (DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID; + lcd_remote_putsxyofs(xpos, ypos, s->offset, s->line); + drawmode = lastmode; + lcd_remote_update_rect(xpos, ypos, LCD_REMOTE_WIDTH - xpos, pf->height); + } + + next_tick += scroll_ticks; + delay = next_tick - current_tick - 1; + if (delay < 0) + { + next_tick = current_tick + 1; + delay = 0; + } + } +} + +/* LCD init */ +void lcd_remote_init(void) +{ +#ifndef SIMULATOR + /* Call device specific init */ + lcd_remote_init_device(); + /* private queue */ + queue_init(&remote_scroll_queue, false); +#endif + create_thread(scroll_thread, scroll_stack, + sizeof(scroll_stack), scroll_name IF_PRIO(, PRIORITY_USER_INTERFACE)); +} diff --git a/firmware/export/lcd-remote.h b/firmware/export/lcd-remote.h index 7ed52bd188..08accf7116 100644 --- a/firmware/export/lcd-remote.h +++ b/firmware/export/lcd-remote.h @@ -27,13 +27,20 @@ #ifdef HAVE_REMOTE_LCD +#if defined(TARGET_TREE) && !defined(SIMULATOR) +#include "lcd-remote-target.h" +#endif + #if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES) #define REMOTETYPE_UNPLUGGED 0 #define REMOTETYPE_H100_LCD 1 #define REMOTETYPE_H300_LCD 2 #define REMOTETYPE_H300_NONLCD 3 -extern int remote_type(void); -extern bool remote_detect(void); +int remote_type(void); +#endif + +#ifndef SIMULATOR +extern struct event_queue remote_scroll_queue; #endif #define STYLE_DEFAULT 0 @@ -105,7 +112,6 @@ extern fb_remote_data lcd_remote_framebuffer[LCD_REMOTE_FBHEIGHT][LCD_REMOTE_FBW extern void lcd_remote_init(void); extern int lcd_remote_default_contrast(void); extern void lcd_remote_set_contrast(int val); -extern void lcd_remote_emireduce(bool state); extern void lcd_remote_clear_display(void); extern void lcd_remote_puts(int x, int y, const unsigned char *str); diff --git a/firmware/target/coldfire/iriver/lcd-remote-iriver.c b/firmware/target/coldfire/iriver/lcd-remote-iriver.c new file mode 100644 index 0000000000..cdc5acacca --- /dev/null +++ b/firmware/target/coldfire/iriver/lcd-remote-iriver.c @@ -0,0 +1,610 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2005 by Richard S. La Charité III + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include "config.h" +#include "system.h" +#include "kernel.h" +#include "lcd-remote.h" + +/*** definitions ***/ + +#define LCD_REMOTE_CNTL_ADC_NORMAL 0xa0 +#define LCD_REMOTE_CNTL_ADC_REVERSE 0xa1 +#define LCD_REMOTE_CNTL_SHL_NORMAL 0xc0 +#define LCD_REMOTE_CNTL_SHL_REVERSE 0xc8 +#define LCD_REMOTE_CNTL_DISPLAY_ON_OFF 0xae +#define LCD_REMOTE_CNTL_ENTIRE_ON_OFF 0xa4 +#define LCD_REMOTE_CNTL_REVERSE_ON_OFF 0xa6 +#define LCD_REMOTE_CNTL_NOP 0xe3 +#define LCD_REMOTE_CNTL_POWER_CONTROL 0x2b +#define LCD_REMOTE_CNTL_SELECT_REGULATOR 0x20 +#define LCD_REMOTE_CNTL_SELECT_BIAS 0xa2 +#define LCD_REMOTE_CNTL_SELECT_VOLTAGE 0x81 +#define LCD_REMOTE_CNTL_INIT_LINE 0x40 +#define LCD_REMOTE_CNTL_SET_PAGE_ADDRESS 0xB0 + +#define LCD_REMOTE_CNTL_HIGHCOL 0x10 /* Upper column address */ +#define LCD_REMOTE_CNTL_LOWCOL 0x00 /* Lower column address */ + +#define CS_LO and_l(~0x00000004, &GPIO1_OUT) +#define CS_HI or_l(0x00000004, &GPIO1_OUT) +#define CLK_LO and_l(~0x10000000, &GPIO_OUT) +#define CLK_HI or_l(0x10000000, &GPIO_OUT) +#define DATA_LO and_l(~0x00040000, &GPIO1_OUT) +#define DATA_HI or_l(0x00040000, &GPIO1_OUT) +#define RS_LO and_l(~0x00010000, &GPIO_OUT) +#define RS_HI or_l(0x00010000, &GPIO_OUT) + +static int xoffset; /* needed for flip */ + +/* timeout counter for deasserting /CS after access, <0 means not counting */ +static int cs_countdown IDATA_ATTR = 0; +#define CS_TIMEOUT (HZ/10) + +#ifdef HAVE_REMOTE_LCD_TICKING +/* If set to true, will prevent "ticking" to headphones. */ +static bool emireduce = false; +static int byte_delay = 0; +#endif + +bool remote_initialized = false; +static int _remote_type = REMOTETYPE_UNPLUGGED; + +/* cached settings values */ +static bool cached_invert = false; +static bool cached_flip = false; +static int cached_contrast = DEFAULT_REMOTE_CONTRAST_SETTING; + +static void remote_tick(void); + +#ifdef HAVE_REMOTE_LCD_TICKING +static inline void _byte_delay(int delay) +{ + asm ( + "move.l %[dly], %%d0 \n" + "ble.s 2f \n" + "1: \n" + "subq.l #1, %%d0 \n" + "bne.s 1b \n" + "2: \n" + : /* outputs */ + : /* inputs */ + [dly]"d"(delay) + : /* clobbers */ + "d0" + ); +} +#endif /* HAVE_REMOTE_LCD_TICKING */ + +/* Standard low-level byte writer. Requires CLK low on entry */ +static inline void _write_byte(unsigned data) +{ + asm volatile ( + "move.l (%[gpo1]), %%d0 \n" /* Get current state of data line */ + "and.l %[dbit], %%d0 \n" + "beq.s 1f \n" /* and set it as previous-state bit */ + "bset #8, %[data] \n" + "1: \n" + "move.l %[data], %%d0 \n" /* Compute the 'bit derivative', i.e. a value */ + "lsr.l #1, %%d0 \n" /* with 1's where the data changes from the */ + "eor.l %%d0, %[data] \n" /* previous state, and 0's where it doesn't */ + "swap %[data] \n" /* Shift data to upper byte */ + "lsl.l #8, %[data] \n" + + "lsl.l #1,%[data] \n" /* Shift out MSB */ + "bcc.s 1f \n" + "eor.l %[dbit], (%[gpo1]) \n" /* 1: flip DATA */ + "1: \n" + "eor.l %[cbit], (%[gpo0]) \n" /* Flip CLK */ + "eor.l %[cbit], (%[gpo0]) \n" /* Flip CLK */ + + "lsl.l #1,%[data] \n" /* ..unrolled.. */ + "bcc.s 1f \n" + "eor.l %[dbit], (%[gpo1]) \n" + "1: \n" + "eor.l %[cbit], (%[gpo0]) \n" + "eor.l %[cbit], (%[gpo0]) \n" + + "lsl.l #1,%[data] \n" + "bcc.s 1f \n" + "eor.l %[dbit], (%[gpo1]) \n" + "1: \n" + "eor.l %[cbit], (%[gpo0]) \n" + "eor.l %[cbit], (%[gpo0]) \n" + + "lsl.l #1,%[data] \n" + "bcc.s 1f \n" + "eor.l %[dbit], (%[gpo1]) \n" + "1: \n" + "eor.l %[cbit], (%[gpo0]) \n" + "eor.l %[cbit], (%[gpo0]) \n" + + "lsl.l #1,%[data] \n" + "bcc.s 1f \n" + "eor.l %[dbit], (%[gpo1]) \n" + "1: \n" + "eor.l %[cbit], (%[gpo0]) \n" + "eor.l %[cbit], (%[gpo0]) \n" + + "lsl.l #1,%[data] \n" + "bcc.s 1f \n" + "eor.l %[dbit], (%[gpo1]) \n" + "1: \n" + "eor.l %[cbit], (%[gpo0]) \n" + "eor.l %[cbit], (%[gpo0]) \n" + + "lsl.l #1,%[data] \n" + "bcc.s 1f \n" + "eor.l %[dbit], (%[gpo1]) \n" + "1: \n" + "eor.l %[cbit], (%[gpo0]) \n" + "eor.l %[cbit], (%[gpo0]) \n" + + "lsl.l #1,%[data] \n" + "bcc.s 1f \n" + "eor.l %[dbit], (%[gpo1]) \n" + "1: \n" + "eor.l %[cbit], (%[gpo0]) \n" + "eor.l %[cbit], (%[gpo0]) \n" + : /* outputs */ + [data]"+d"(data) + : /* inputs */ + [gpo0]"a"(&GPIO_OUT), + [cbit]"d"(0x10000000), + [gpo1]"a"(&GPIO1_OUT), + [dbit]"d"(0x00040000) + : /* clobbers */ + "d0" + ); +} + +/* Fast low-level byte writer. Don't use with high CPU clock. + * Requires CLK low on entry */ +static inline void _write_fast(unsigned data) +{ + asm volatile ( + "move.w %%sr,%%d3 \n" /* Get current interrupt level */ + "move.w #0x2700,%%sr \n" /* Disable interrupts */ + + "move.l (%[gpo1]), %%d0 \n" /* Get current state of data port */ + "move.l %%d0, %%d1 \n" + "and.l %[dbit], %%d1 \n" /* Check current state of data line */ + "beq.s 1f \n" /* and set it as previous-state bit */ + "bset #8, %[data] \n" + "1: \n" + "move.l %[data], %%d1 \n" /* Compute the 'bit derivative', i.e. a value */ + "lsr.l #1, %%d1 \n" /* with 1's where the data changes from the */ + "eor.l %%d1, %[data] \n" /* previous state, and 0's where it doesn't */ + "swap %[data] \n" /* Shift data to upper byte */ + "lsl.l #8, %[data] \n" + + "move.l (%[gpo0]), %%d1 \n" /* Get current state of clock port */ + "move.l %[cbit], %%d2 \n" /* Precalculate opposite state of clock line */ + "eor.l %%d1, %%d2 \n" + + "lsl.l #1,%[data] \n" /* Shift out MSB */ + "bcc.s 1f \n" + "eor.l %[dbit], %%d0 \n" /* 1: flip data bit */ + "move.l %%d0, (%[gpo1]) \n" /* and output new DATA state */ + "1: \n" + "move.l %%d2, (%[gpo0]) \n" /* Set CLK */ + "move.l %%d1, (%[gpo0]) \n" /* Reset CLK */ + + "lsl.l #1,%[data] \n" /* ..unrolled.. */ + "bcc.s 1f \n" + "eor.l %[dbit], %%d0 \n" + "move.l %%d0, (%[gpo1]) \n" + "1: \n" + "move.l %%d2, (%[gpo0]) \n" + "move.l %%d1, (%[gpo0]) \n" + + "lsl.l #1,%[data] \n" + "bcc.s 1f \n" + "eor.l %[dbit], %%d0 \n" + "move.l %%d0, (%[gpo1]) \n" + "1: \n" + "move.l %%d2, (%[gpo0]) \n" + "move.l %%d1, (%[gpo0]) \n" + + "lsl.l #1,%[data] \n" + "bcc.s 1f \n" + "eor.l %[dbit], %%d0 \n" + "move.l %%d0, (%[gpo1]) \n" + "1: \n" + "move.l %%d2, (%[gpo0]) \n" + "move.l %%d1, (%[gpo0]) \n" + + "lsl.l #1,%[data] \n" + "bcc.s 1f \n" + "eor.l %[dbit], %%d0 \n" + "move.l %%d0, (%[gpo1]) \n" + "1: \n" + "move.l %%d2, (%[gpo0]) \n" + "move.l %%d1, (%[gpo0]) \n" + + "lsl.l #1,%[data] \n" + "bcc.s 1f \n" + "eor.l %[dbit], %%d0 \n" + "move.l %%d0, (%[gpo1]) \n" + "1: \n" + "move.l %%d2, (%[gpo0]) \n" + "move.l %%d1, (%[gpo0]) \n" + + "lsl.l #1,%[data] \n" + "bcc.s 1f \n" + "eor.l %[dbit], %%d0 \n" + "move.l %%d0, (%[gpo1]) \n" + "1: \n" + "move.l %%d2, (%[gpo0]) \n" + "move.l %%d1, (%[gpo0]) \n" + + "lsl.l #1,%[data] \n" + "bcc.s 1f \n" + "eor.l %[dbit], %%d0 \n" + "move.l %%d0, (%[gpo1]) \n" + "1: \n" + "move.l %%d2, (%[gpo0]) \n" + "move.l %%d1, (%[gpo0]) \n" + + "move.w %%d3, %%sr \n" /* Restore interrupt level */ + : /* outputs */ + [data]"+d"(data) + : /* inputs */ + [gpo0]"a"(&GPIO_OUT), + [cbit]"i"(0x10000000), + [gpo1]"a"(&GPIO1_OUT), + [dbit]"d"(0x00040000) + : /* clobbers */ + "d0", "d1", "d2", "d3" + ); +} + +void lcd_remote_write_command(int cmd) +{ + cs_countdown = 0; + RS_LO; + CS_LO; + + _write_byte(cmd); +#ifdef HAVE_REMOTE_LCD_TICKING + _byte_delay(byte_delay - 148); +#endif + + cs_countdown = CS_TIMEOUT; +} + +void lcd_remote_write_command_ex(int cmd, int data) +{ + cs_countdown = 0; + RS_LO; + CS_LO; + + _write_byte(cmd); +#ifdef HAVE_REMOTE_LCD_TICKING + _byte_delay(byte_delay - 148); +#endif + _write_byte(data); +#ifdef HAVE_REMOTE_LCD_TICKING + _byte_delay(byte_delay - 148); +#endif + + cs_countdown = CS_TIMEOUT; +} + +void lcd_remote_write_data(const unsigned char* p_bytes, int count) ICODE_ATTR; +void lcd_remote_write_data(const unsigned char* p_bytes, int count) +{ + const unsigned char *p_end = p_bytes + count; + + cs_countdown = 0; + RS_HI; + CS_LO; + + /* This is safe as long as lcd_remote_write_data() isn't called from within + * an ISR. */ + if (cpu_frequency < 50000000) + { + while (p_bytes < p_end) + { + _write_fast(*p_bytes++); +#ifdef HAVE_REMOTE_LCD_TICKING + _byte_delay(byte_delay - 87); +#endif + } + } + else + { + while (p_bytes < p_end) + { + _write_byte(*p_bytes++); +#ifdef HAVE_REMOTE_LCD_TICKING + _byte_delay(byte_delay - 148); +#endif + } + } + + cs_countdown = CS_TIMEOUT; +} + +/*** hardware configuration ***/ + +int lcd_remote_default_contrast(void) +{ + return DEFAULT_REMOTE_CONTRAST_SETTING; +} + +#ifdef HAVE_REMOTE_LCD_TICKING +void lcd_remote_emireduce(bool state) +{ + emireduce = state; +} +#endif + +void lcd_remote_powersave(bool on) +{ + if (remote_initialized) + { + lcd_remote_write_command(LCD_REMOTE_CNTL_DISPLAY_ON_OFF | (on ? 0 : 1)); + lcd_remote_write_command(LCD_REMOTE_CNTL_ENTIRE_ON_OFF | (on ? 1 : 0)); + } +} + +void lcd_remote_set_contrast(int val) +{ + cached_contrast = val; + if (remote_initialized) + lcd_remote_write_command_ex(LCD_REMOTE_CNTL_SELECT_VOLTAGE, val); +} + +void lcd_remote_set_invert_display(bool yesno) +{ + cached_invert = yesno; + if (remote_initialized) + lcd_remote_write_command(LCD_REMOTE_CNTL_REVERSE_ON_OFF | (yesno?1:0)); +} + +/* turn the display upside down (call lcd_remote_update() afterwards) */ +void lcd_remote_set_flip(bool yesno) +{ + cached_flip = yesno; + if (yesno) + { + xoffset = 0; + if (remote_initialized) + { + lcd_remote_write_command(LCD_REMOTE_CNTL_ADC_NORMAL); + lcd_remote_write_command(LCD_REMOTE_CNTL_SHL_NORMAL); + } + } + else + { + xoffset = 132 - LCD_REMOTE_WIDTH; + if (remote_initialized) + { + lcd_remote_write_command(LCD_REMOTE_CNTL_ADC_REVERSE); + lcd_remote_write_command(LCD_REMOTE_CNTL_SHL_REVERSE); + } + } +} + +bool remote_detect(void) +{ + return (GPIO_READ & 0x40000000)?false:true; +} + +int remote_type(void) +{ + return _remote_type; +} + +void lcd_remote_init_device(void) +{ +#ifdef IRIVER_H300_SERIES + or_l(0x10010000, &GPIO_FUNCTION); /* GPIO16: RS + GPIO28: CLK */ + + or_l(0x00040006, &GPIO1_FUNCTION); /* GPO33: Backlight + GPIO34: CS + GPIO50: Data */ + or_l(0x10010000, &GPIO_ENABLE); + or_l(0x00040006, &GPIO1_ENABLE); +#else + or_l(0x10010800, &GPIO_FUNCTION); /* GPIO11: Backlight + GPIO16: RS + GPIO28: CLK */ + + or_l(0x00040004, &GPIO1_FUNCTION); /* GPIO34: CS + GPIO50: Data */ + or_l(0x10010800, &GPIO_ENABLE); + or_l(0x00040004, &GPIO1_ENABLE); +#endif + lcd_remote_clear_display(); + tick_add_task(remote_tick); +} + +void lcd_remote_on(void) +{ + CS_HI; + CLK_LO; + lcd_remote_write_command(LCD_REMOTE_CNTL_SELECT_BIAS | 0x0); + + lcd_remote_write_command(LCD_REMOTE_CNTL_POWER_CONTROL | 0x5); + sleep(1); + lcd_remote_write_command(LCD_REMOTE_CNTL_POWER_CONTROL | 0x6); + sleep(1); + lcd_remote_write_command(LCD_REMOTE_CNTL_POWER_CONTROL | 0x7); + + lcd_remote_write_command(LCD_REMOTE_CNTL_SELECT_REGULATOR | 0x4); // 0x4 Select regulator @ 5.0 (default); + + sleep(1); + + lcd_remote_write_command(LCD_REMOTE_CNTL_INIT_LINE | 0x0); // init line + lcd_remote_write_command(LCD_REMOTE_CNTL_SET_PAGE_ADDRESS | 0x0); // page address + lcd_remote_write_command_ex(0x10, 0x00); // Column MSB + LSB + + lcd_remote_write_command(LCD_REMOTE_CNTL_DISPLAY_ON_OFF | 1); + + remote_initialized = true; + + lcd_remote_set_flip(cached_flip); + lcd_remote_set_contrast(cached_contrast); + lcd_remote_set_invert_display(cached_invert); +} + +void lcd_remote_off(void) +{ + remote_initialized = false; + CLK_LO; + CS_HI; +} + +/* Monitor remote hotswap */ +static void remote_tick(void) +{ + static bool last_status = false; + static int countdown = 0; + static int init_delay = 0; + bool current_status; + int val; + int level; + + current_status = remote_detect(); + /* Only report when the status has changed */ + if (current_status != last_status) + { + last_status = current_status; + countdown = current_status ? 20*HZ : 1; + } + else + { + /* Count down until it gets negative */ + if (countdown >= 0) + countdown--; + + if (current_status) + { + if (!(countdown % 8)) + { + /* Determine which type of remote it is */ + level = set_irq_level(HIGHEST_IRQ_LEVEL); + val = adc_scan(ADC_REMOTEDETECT); + set_irq_level(level); + + if (val < ADCVAL_H100_LCD_REMOTE_HOLD) + { + if (val < ADCVAL_H100_LCD_REMOTE) + if (val < ADCVAL_H300_LCD_REMOTE) + _remote_type = REMOTETYPE_H300_LCD; /* hold off */ + else + _remote_type = REMOTETYPE_H100_LCD; /* hold off */ + else + if (val < ADCVAL_H300_LCD_REMOTE_HOLD) + _remote_type = REMOTETYPE_H300_LCD; /* hold on */ + else + _remote_type = REMOTETYPE_H100_LCD; /* hold on */ + + if (--init_delay <= 0) + { + queue_post(&remote_scroll_queue, REMOTE_INIT_LCD, 0); + init_delay = 6; + } + } + else + { + _remote_type = REMOTETYPE_H300_NONLCD; /* hold on or off */ + } + } + } + else + { + if (countdown == 0) + { + _remote_type = REMOTETYPE_UNPLUGGED; + + queue_post(&remote_scroll_queue, REMOTE_DEINIT_LCD, 0); + } + } + } + + /* handle chip select timeout */ + if (cs_countdown >= 0) + cs_countdown--; + if (cs_countdown == 0) + CS_HI; +} + +/* Update the display. + This must be called after all other LCD functions that change the display. */ +void lcd_remote_update(void) ICODE_ATTR; +void lcd_remote_update(void) +{ + int y; + + if (!remote_initialized) + return; + +#ifdef HAVE_REMOTE_LCD_TICKING + /* Adjust byte delay for emi reduction. */ + byte_delay = emireduce ? cpu_frequency / 197600 + 28: 0; +#endif + + /* Copy display bitmap to hardware */ + for (y = 0; y < LCD_REMOTE_FBHEIGHT; y++) + { + lcd_remote_write_command(LCD_REMOTE_CNTL_SET_PAGE_ADDRESS | y); + lcd_remote_write_command(LCD_REMOTE_CNTL_HIGHCOL | ((xoffset >> 4) & 0xf)); + lcd_remote_write_command(LCD_REMOTE_CNTL_LOWCOL | (xoffset & 0xf)); + lcd_remote_write_data(lcd_remote_framebuffer[y], LCD_REMOTE_WIDTH); + } +} + +/* Update a fraction of the display. */ +void lcd_remote_update_rect(int, int, int, int) ICODE_ATTR; +void lcd_remote_update_rect(int x, int y, int width, int height) +{ + int ymax; + + if (!remote_initialized) + return; + + /* The Y coordinates have to work on even 8 pixel rows */ + ymax = (y + height-1) >> 3; + y >>= 3; + + if(x + width > LCD_REMOTE_WIDTH) + width = LCD_REMOTE_WIDTH - x; + if (width <= 0) + return; /* nothing left to do, 0 is harmful to lcd_write_data() */ + if(ymax >= LCD_REMOTE_FBHEIGHT) + ymax = LCD_REMOTE_FBHEIGHT-1; + +#ifdef HAVE_REMOTE_LCD_TICKING + /* Adjust byte delay for emi reduction */ + byte_delay = emireduce ? cpu_frequency / 197600 + 28: 0; +#endif + + /* Copy specified rectange bitmap to hardware */ + for (; y <= ymax; y++) + { + lcd_remote_write_command(LCD_REMOTE_CNTL_SET_PAGE_ADDRESS | y); + lcd_remote_write_command(LCD_REMOTE_CNTL_HIGHCOL | (((x+xoffset) >> 4) & 0xf)); + lcd_remote_write_command(LCD_REMOTE_CNTL_LOWCOL | ((x+xoffset) & 0xf)); + lcd_remote_write_data(&lcd_remote_framebuffer[y][x], width); + } +} diff --git a/firmware/target/coldfire/iriver/lcd-remote-target.h b/firmware/target/coldfire/iriver/lcd-remote-target.h new file mode 100755 index 0000000000..a95f9adade --- /dev/null +++ b/firmware/target/coldfire/iriver/lcd-remote-target.h @@ -0,0 +1,44 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: lcd-remote-target.h 11967 2007-01-09 23:29:07Z linus $ + * + * Copyright (C) 2007 by Jens Arnold + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef LCD_REMOTE_TARGET_H +#define LCD_REMOTE_TARGET_H + +#define REMOTE_INIT_LCD 1 +#define REMOTE_DEINIT_LCD 2 + +void lcd_remote_write_command(int cmd); +void lcd_remote_write_command_ex(int cmd, int data); +void lcd_remote_write_data(const unsigned char* p_bytes, int count); +#ifdef HAVE_REMOTE_LCD_TICKING +void lcd_remote_emireduce(bool state); +#endif +void lcd_remote_powersave(bool on); +void lcd_remote_set_invert_display(bool yesno); +void lcd_remote_set_flip(bool yesno); + +bool remote_detect(void); +void lcd_remote_init_device(void); +void lcd_remote_on(void); +void lcd_remote_off(void); +void lcd_remote_update(void); +void lcd_remote_update_rect(int, int, int, int); + +extern bool remote_initialized; + +#endif -- cgit v1.2.3