Thank you to anyone who has already donated - your generous donations helped make three months of treatment possible.
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#define INCLUDE_TIMEOUT_API +#define DBOP_PRECHARGE 0x80FF #define DEFAULT_REC_MIC_GAIN 23 #define DEFAULT_REC_LEFT_GAIN 23 #define DEFAULT_REC_RIGHT_GAIN 23 + +#define DBOP_PRECHARGE 0xF0FF #define DEFAULT_REC_MIC_GAIN 23 #define DEFAULT_REC_LEFT_GAIN 23 #define DEFAULT_REC_RIGHT_GAIN 23 + +#define DBOP_PRECHARGE 0xF0FF target/arm/as3525/lcd-as-e200v2-fuze.S target/arm/as3525/button-e200v2-fuze.c target/arm/as3525/backlight-e200v2-fuze.c +target/arm/as3525/dbop-as3525.c #ifndef BOOTLOADER target/arm/powermgmt-ascodec.c target/arm/as3525/sansa-e200v2/powermgmt-e200v2.c target/arm/lcd-c200_c200v2.c target/arm/as3525/sansa-c200v2/button-c200v2.c target/arm/as3525/sansa-c200v2/backlight-c200v2.c +target/arm/as3525/dbop-as3525.c #ifndef BOOTLOADER target/arm/as3525/powermgmt-as3525.c #endif /* !BOOTLOADER */ target/arm/as3525/sansa-fuze/lcd-fuze.c target/arm/as3525/lcd-as-e200v2-fuze.S target/arm/as3525/backlight-e200v2-fuze.c +target/arm/as3525/dbop-as3525.c #ifndef BOOTLOADER target/arm/powermgmt-ascodec.c target/arm/as3525/sansa-fuze/powermgmt-fuze.c #include "lcd.h" #include "kernel.h" #include "system.h" - #ifdef SANSA_C200V2 -/* button driver needs to know if a lcd operation is in progress */ -static bool lcd_busy = false; -static unsigned short dbop_input = 0xFFFF; +#include "dbop-as3525.h" #endif /* Display status */ lcd_delay(20); } -static unsigned short lcd_dbop_read(void) -{ - unsigned int dbop_ctrl_old = DBOP_CTRL; - unsigned int dbop_timpol23_old = DBOP_TIMPOL_23; - unsigned int value; - - /* make sure that the DBOP FIFO is empty */ - while ((DBOP_STAT & (1<<10)) == 0); - - /* write DBOP_DOUT to pre-charge DBOP data lines with a high level */ - DBOP_TIMPOL_23 = 0xe167e167; /* no strobe towards lcd */ - DBOP_CTRL = (1 << 16) | /* enw=1 (enable write) */ - (1 << 12); /* ow=1 (16-bit data width) */ - DBOP_DOUT = 0xFFFF; /* all pins high */ - while ((DBOP_STAT & (1<<10)) == 0); - - /* perform a DBOP read */ - DBOP_CTRL = (1 << 15) | /* strd=1 (start read) */ - (1 << 12) | /* ow=1 (16-bit data width) */ - (31 << 0); /* rs_t=31 (read DBOP at end of cycle) */ - while ((DBOP_STAT & (1<<16)) == 0); - value = DBOP_DIN; - - /* restore previous values */ - DBOP_TIMPOL_23 = dbop_timpol23_old; - DBOP_CTRL = dbop_ctrl_old; - - return value; -} - -/* get the DBOP input value, either directly or cached if DBOP is busy */ -unsigned short int lcd_dbop_input(void) -{ - if (!lcd_busy) { - dbop_input = lcd_dbop_read(); - } - return dbop_input; -} - #endif /* LCD init */ void lcd_set_contrast(int val) { -#ifdef SANSA_C200V2 - lcd_busy = true; -#endif lcd_send_command(R_CONTRAST_CONTROL1, val); -#ifdef SANSA_C200V2 - lcd_busy = false; -#endif } void lcd_set_invert_display(bool yesno) if (yesno == is_lcd_enabled) return; -#ifdef SANSA_C200V2 - lcd_busy = true; -#endif if ((is_lcd_enabled = yesno)) { lcd_send_command(R_STANDBY_OFF, 0); { lcd_send_command(R_STANDBY_ON, 0); } -#ifdef SANSA_C200V2 - lcd_busy = false; -#endif } #endif /* turn the display upside down (call lcd_update() afterwards) */ void lcd_set_flip(bool yesno) { -#ifdef SANSA_C200V2 - lcd_busy = true; -#endif lcd_send_command(R_DRIVER_OUTPUT_MODE, yesno ? 0x02 : 0x07); -#ifdef SANSA_C200V2 - lcd_busy = false; -#endif } /*** update functions ***/ -#if MEMORYSIZE > 2 +#if MEMORYSIZE > 2 /* not for C200V2 */ void lcd_yuv_set_options(unsigned options) { lcd_yuv_options = options; addr = &lcd_framebuffer[y][x]; -#ifdef SANSA_C200V2 - lcd_busy = true; - /* perform a dbop read before doing a potentially lengthy lcd update */ - dbop_input = lcd_dbop_read(); -#endif - if (width <= 1) { /* The X end address must be larger than the X start address, so we * switch to vertical mode for single column updates and set the lcd_write_data(addr, width); addr += LCD_WIDTH; } while (--height > 0); - -#ifdef SANSA_C200V2 - lcd_busy = false; -#endif } * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ - * $Id: button-e200v2.c 19035 2008-11-07 05:31:05Z jdgordon $ + * $Id: button-c200v2.c 19035 2008-11-07 05:31:05Z jdgordon $ * - * Copyright (C) 2006 by Barry Wardell + * Copyright (C) 2006 by Barry Wardell, (C) 2009 by Bertrik Sikken * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * ****************************************************************************/ +#include "config.h" #include "system.h" #include "button-target.h" #include "button.h" #include "backlight.h" -#include "powermgmt.h" +#include "dbop-as3525.h" +static unsigned short _dbop_din; -static unsigned short _dbop_din = 0xFFFF; - -/* in the lcd driver */ -extern unsigned short int lcd_dbop_input(void); - static bool hold_button = false; #ifndef BOOTLOADER static bool hold_button_old = false; #endif -/* for the debug menu */ -unsigned short button_dbop_data(void) -{ - return _dbop_din; -} - void button_init_device(void) { GPIOA_DIR &= ~(1<<3); { int btn = BUTTON_NONE; - _dbop_din = lcd_dbop_input(); + _dbop_din = dbop_read_input(); /* hold button handling */ hold_button = ((_dbop_din & (1<<12)) == 0); #include "debug.h" #include "system.h" #include "clock-target.h" +#include "dbop-as3525.h" /* The controller is unknown, but some registers appear to be the same as the HD66789R */ #define R_DISP_CONTROL_REV 0x0000 static unsigned short r_disp_control_rev = R_DISP_CONTROL_NORMAL; -static volatile bool lcd_busy = false; - static inline void lcd_delay(int x) { do { yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1); yuv_src[2] = src[2] + (yuv_src[1] - src[1]); - lcd_busy = true; - lcd_write_reg(R_ENTRY_MODE, display_flipped ? R_ENTRY_MODE_VIDEO_FLIPPED : R_ENTRY_MODE_VIDEO_NORMAL ); } while (--height > 0); } - - lcd_busy = false; } /* Update the display. if (!display_on) return; - lcd_busy = true; - lcd_write_reg(R_ENTRY_MODE, r_entry_mode); /* Set start position and window */ lcd_write_cmd(R_WRITE_DATA_2_GRAM); lcd_write_data((fb_data*)lcd_framebuffer, LCD_WIDTH*LCD_HEIGHT); - - lcd_busy = false; } /* Update a fraction of the display. */ if (y >= ymax) return; /* nothing left to do */ - lcd_busy = true; - lcd_write_reg(R_ENTRY_MODE, r_entry_mode); lcd_window(x, y, xmax, ymax); ptr += LCD_WIDTH; } while (--height >= 0); - - lcd_busy = false; } - -/* writes one red pixel outside the visible area, needed for correct - * dbop reads */ -bool lcd_button_support(void) -{ - if (lcd_busy) - return false; - - lcd_write_reg(R_ENTRY_MODE, r_entry_mode); - - /* Set start position and window */ - lcd_window(LCD_WIDTH+1, LCD_HEIGHT+1, LCD_WIDTH+2, LCD_HEIGHT+2); - - lcd_write_cmd(R_WRITE_DATA_2_GRAM); - - lcd_write_value16(0xf<<12); - - return true; -} +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2009 by Bertrik Sikken + * + * 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 "as3525.h" +#include "dbop-as3525.h" + +static short int dbop_input_value = 0; + +/* read the DBOP data pins */ +unsigned short dbop_read_input(void) +{ + unsigned int dbop_ctrl_old = DBOP_CTRL; + unsigned int dbop_timpol23_old = DBOP_TIMPOL_23; + + /* make sure that the DBOP FIFO is empty */ + while ((DBOP_STAT & (1<<10)) == 0); + + /* write DBOP_DOUT to pre-charge DBOP data lines with a defined level */ + DBOP_TIMPOL_23 = 0xe007e007; /* no strobe towards lcd */ + int delay = 10; + while (delay--) asm volatile ("nop\n"); + DBOP_CTRL = (1 << 19) | /* tri-state output */ + (1 << 16) | /* enw=1 (enable write) */ + (1 << 12); /* ow=1 (16-bit data width) */ + DBOP_DOUT = DBOP_PRECHARGE; + while ((DBOP_STAT & (1<<10)) == 0); + +#if defined(SANSA_FUZE) || defined(SANSA_E200V2) + delay = 50; + while (delay--) asm volatile ("nop\n"); +#endif + + /* perform a DBOP read */ + DBOP_CTRL = (1 << 19) | /* tri-state output */ + (1 << 15) | /* strd=1 (start read) */ + (1 << 12) | /* ow=1 (16-bit data width) */ + (31 << 0); /* rs_t=31 (read DBOP at end of cycle) */ + while ((DBOP_STAT & (1<<16)) == 0); + dbop_input_value = DBOP_DIN; + + /* restore previous values */ + DBOP_TIMPOL_23 = dbop_timpol23_old; + DBOP_CTRL = dbop_ctrl_old; + + return dbop_input_value; +} + +/* for the debug menu */ +unsigned short dbop_debug(void) +{ + return dbop_input_value; +} * if I put the below into a sansa-fuze/debug-target.h, it doesn't work*/ #if defined(SANSA_FUZE) || defined(SANSA_E200V2) || defined(SANSA_C200V2) #define DEBUG_DBOP -unsigned short button_dbop_data(void); +#include "dbop-as3525.h" #endif static inline unsigned read_cp15 (void) #ifdef DEBUG_DBOP line++; lcd_puts(0, line++, "[DBOP_DIN]"); - lcd_putsf(0, line++, "DBOP_DIN: %4x", button_dbop_data()); + lcd_putsf(0, line++, "DBOP_DIN: %4x", dbop_debug()); #endif line++; lcd_puts(0, line++, "[CP15]"); +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2009 by Bertrik Sikken + * + * 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. + * + ****************************************************************************/ + +unsigned short int dbop_read_input(void); +unsigned short dbop_debug(void); * ****************************************************************************/ +#include "config.h" #include "system.h" #include "button.h" #include "button-target.h" #include "backlight.h" +#include "dbop-as3525.h" #ifdef SANSA_FUZE #define WHEEL_COUNTER_DIV 4 #define ACCEL_INCREMENT 2 #define ACCEL_SHIFT 2 -#define BUTTON_DELAY 60 #endif #ifdef SANSA_E200V2 #define WHEEL_COUNTER_DIV 2 #define ACCEL_INCREMENT 3 #define ACCEL_SHIFT 1 -#define BUTTON_DELAY 20 - -/* read_missed is true if buttons could not - * be read (see lcd_button_support) */ -static bool read_missed = false; - #endif /* Buttons */ #ifndef BOOTLOADER static bool hold_button_old = false; #endif -static unsigned short _dbop_din = BUTTON_NONE; -/* in the lcd driver */ -extern bool lcd_button_support(void); - void button_init_device(void) { GPIOA_DIR |= (1<<1); } #if !defined(BOOTLOADER) && defined(HAVE_SCROLLWHEEL) -static void scrollwheel(unsigned short dbop_din) +static void scrollwheel(unsigned int wheel_value) { /* current wheel values, parsed from dbop and the resulting button */ - unsigned wheel_value = 0; unsigned btn = BUTTON_NONE; /* old wheel values */ static unsigned old_wheel_value = 0; return; } - wheel_value = (dbop_din >> 13) & (1<<1|1<<0); - if (old_wheel_value == wheel_tbl[0][wheel_value]) btn = BUTTON_SCROLL_FWD; else if (old_wheel_value == wheel_tbl[1][wheel_value]) last_wheel_post = current_tick; } } - if (accel > 0 -#ifdef SANSA_E200V2 - && !read_missed /* decrement only if reading buttons was successful */ -#endif - ) + if (accel > 0) accel--; old_wheel_value = wheel_value; return hold_button; } -static void button_delay(void) -{ - int i = BUTTON_DELAY; - while(i--) asm volatile ("nop\n"); -} - unsigned short button_read_dbop(void) { -#ifdef SANSA_FUZE - /* skip home and power reading if lcd_button_support was blocked, - * since the dbop bit 15 is invalid then, and use the old value instead - * -20 (arbitary value) indicates valid home&power button read - * (fuze only) */ - int old_home_power = -20; -#endif - if(!lcd_button_support()) - { -#if defined(SANSA_FUZE) - old_home_power = (_dbop_din & (1<<15|1<<8)); -#elif defined(SANSA_E200V2) - read_missed = true; -#endif - } - -#ifdef SANSA_E200V2 - if (!read_missed) /* read buttons only if lcd_button_support was not blocked */ -#endif - { - /* Set up dbop for input */ - DBOP_CTRL |= (1<<19); /* Tri-state DBOP on read cycle */ - DBOP_CTRL &= ~(1<<16); /* disable output (1:write enabled) */ - DBOP_TIMPOL_01 = 0xe167e167; /* Set Timing & Polarity regs 0 & 1 */ - DBOP_TIMPOL_23 = 0xe167006e; /* Set Timing & Polarity regs 2 & 3 */ - - button_delay(); - DBOP_CTRL |= (1<<15); /* start read */ - while (!(DBOP_STAT & (1<<16))); /* wait for valid data */ - - _dbop_din = DBOP_DIN; /* Read dbop data*/ - - /* Reset dbop for output */ - DBOP_TIMPOL_01 = 0x6e167; /* Set Timing & Polarity regs 0 & 1 */ - DBOP_TIMPOL_23 = 0xa167e06f; /* Set Timing & Polarity regs 2 & 3 */ - DBOP_CTRL |= (1<<16); /* Enable output (0:write disable) */ - DBOP_CTRL &= ~(1<<19); /* Tri-state when no active write */ - } - -#ifdef SANSA_FUZE - /* write back old values if blocked */ - if (old_home_power != -20) - { - _dbop_din |= old_home_power & 1<<15; - _dbop_din &= 0xfeff|(old_home_power & 1<<8); - } -#endif - + unsigned dbop_din = dbop_read_input(); #if defined(HAVE_SCROLLWHEEL) && !defined(BOOTLOADER) - /* read wheel on bit 13 & 14, but sent to the button queue seperately */ - scrollwheel(_dbop_din); + /* scroll wheel handling */ + scrollwheel((dbop_din >> 13) & (1<<1|1<<0)); #endif - -#ifdef SANSA_E200V2 - read_missed = false; -#endif - - return _dbop_din; + return dbop_din; } -/* for the debug menu */ -unsigned short button_dbop_data(void) -{ - return _dbop_din; -} - -static int button_gpio(void) -{ - int btn = BUTTON_NONE; - if(hold_button) - return btn; - - /* disable DBOP output while changing GPIO pins that share lines with it */ - DBOP_CTRL &= ~(1<<16); - button_delay(); - - /* set afsel, so that we can read our buttons */ - GPIOC_AFSEL &= ~(1<<2|1<<3|1<<4|1<<5|1<<6); - /* set dir so we can read our buttons (but reset the C pins first) */ - GPIOB_DIR &= ~(1<<4); - GPIOC_DIR |= (1<<2|1<<3|1<<4|1<<5|1<<6); - GPIOC_PIN(2) = (1<<2); - GPIOC_PIN(3) = (1<<3); - GPIOC_PIN(4) = (1<<4); - GPIOC_PIN(5) = (1<<5); - GPIOC_PIN(6) = (1<<6); - - GPIOC_DIR &= ~(1<<2|1<<3|1<<4|1<<5|1<<6); - - /* small delay needed to read buttons correctly */ - button_delay(); - - /* direct GPIO connections */ - if (!GPIOC_PIN(3)) - btn |= BUTTON_LEFT; - if (!GPIOC_PIN(2)) - btn |= BUTTON_UP; - if (!GPIOC_PIN(6)) - btn |= BUTTON_DOWN; - if (!GPIOC_PIN(5)) - btn |= BUTTON_RIGHT; - if (!GPIOC_PIN(4)) - btn |= BUTTON_SELECT; - /* return to settings needed for lcd */ - GPIOC_DIR |= (1<<2|1<<3|1<<4|1<<5|1<<6); - GPIOC_AFSEL |= (1<<2|1<<3|1<<4|1<<5|1<<6); - - DBOP_CTRL |= (1<<16); /* enable output again */ - return btn; -} - /* * Get button pressed from hardware */ int button_read_device(void) { - int btn = BUTTON_NONE; - unsigned short dbop = button_read_dbop(); #ifdef SANSA_FUZE static unsigned power_counter = 0; #endif - /* hold button */ - if(dbop & (1<<12)) + unsigned short dbop_din; + int btn = BUTTON_NONE; + + dbop_din = button_read_dbop(); + + /* hold button handling */ + hold_button = ((dbop_din & (1<<12)) != 0); +#ifndef BOOTLOADER + /* light handling */ + if (hold_button != hold_button_old) { + hold_button_old = hold_button; + backlight_hold_changed(hold_button); + } +#endif /* BOOTLOADER */ + if (hold_button) { #ifdef SANSA_FUZE power_counter = HZ; #endif - hold_button = true; + return 0; } - else - { - hold_button = false; + + /* push button handling */ + if ((dbop_din & (1 << 2)) == 0) + btn |= BUTTON_UP; + if ((dbop_din & (1 << 3)) == 0) + btn |= BUTTON_LEFT; + if ((dbop_din & (1 << 4)) == 0) + btn |= BUTTON_SELECT; + if ((dbop_din & (1 << 5)) == 0) + btn |= BUTTON_RIGHT; + if ((dbop_din & (1 << 6)) == 0) + btn |= BUTTON_DOWN; + if ((dbop_din & (1 << 8)) != 0) + btn |= BUTTON_POWER; + if ((dbop_din & (1 << 15)) == 0) + btn |= DBOP_BIT15_BUTTON; + #ifdef SANSA_FUZE /* read power on bit 8, but not if hold button was just released, since * you basically always hit power due to the slider mechanism after releasing * (fuze only) - * hold (wait 1 sec) */ - if (power_counter) + */ + if (power_counter > 0) { power_counter--; + btn &= ~BUTTON_POWER; + } #endif - if (dbop & (1<<8) -#ifdef SANSA_FUZE - && !power_counter -#endif - ) - btn |= BUTTON_POWER; - /* read home on bit 15 */ - if (!(dbop & (1<<15))) - btn |= DBOP_BIT15_BUTTON; - btn |= button_gpio(); - } - -#ifndef BOOTLOADER - /* light handling */ - if (hold_button != hold_button_old) - { - hold_button_old = hold_button; - backlight_hold_changed(hold_button); - } -#endif /* BOOTLOADER */ - return btn; } + #include "debug.h" #include "system.h" #include "clock-target.h" +#include "dbop-as3525.h" /* The controller is unknown, but some registers appear to be the same as the HD66789R */ static unsigned short r_disp_control_rev = R_DISP_CONTROL_NORMAL; static const int xoffset = 20; -static volatile bool lcd_busy = false; static inline void lcd_delay(int x) { yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1); yuv_src[2] = src[2] + (yuv_src[1] - src[1]); - lcd_busy = true; - #ifdef HAVE_LCD_FLIP lcd_write_reg(R_ENTRY_MODE, display_flipped ? R_ENTRY_MODE_VIDEO_FLIPPED : R_ENTRY_MODE_VIDEO_NORMAL } while (--height > 0); } - - lcd_busy = false; } /* Update the display. if (!display_on) return; - lcd_busy = true; - lcd_write_reg(R_ENTRY_MODE, r_entry_mode); lcd_window_x(0, LCD_WIDTH - 1); lcd_write_cmd(R_WRITE_DATA_2_GRAM); lcd_write_data((fb_data*)lcd_framebuffer, LCD_WIDTH*LCD_HEIGHT); - - lcd_busy = false; } /* Update a fraction of the display. */ if (y >= ymax) return; /* nothing left to do */ - lcd_busy = true; - lcd_write_reg(R_ENTRY_MODE, r_entry_mode); lcd_window_x(x, xmax); ptr += LCD_WIDTH; } while (--height >= 0); - - lcd_busy = false; } - -/* writes one red pixel outside the visible area, needed for correct - * dbop reads */ -bool lcd_button_support(void) -{ - if (lcd_busy) - return false; - - lcd_write_reg(R_ENTRY_MODE, r_entry_mode); - - /* Set start position and window */ - lcd_window_x(-1, 0); - lcd_window_y(-1, 0); - - lcd_write_cmd(R_WRITE_DATA_2_GRAM); - - lcd_write_value16(0xf<<12); - - return true; -} |
