/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2011 by Amaury Pouly * * 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 "button-target.h" #include "system.h" #include "system-target.h" #include "pinctrl-imx233.h" #include "generic_i2c.h" #include "synaptics-rmi.h" #include "lcd.h" #include "string.h" #include "usb.h" #ifndef BOOTLOADER void button_debug_screen(void) { char product_id[RMI_PRODUCT_ID_LEN]; rmi_read(RMI_PRODUCT_ID, RMI_PRODUCT_ID_LEN, product_id); int x_max = rmi_read_single(RMI_2D_SENSOR_XMAX_MSB(0)) << 8 | rmi_read_single(RMI_2D_SENSOR_XMAX_LSB(0)); int y_max = rmi_read_single(RMI_2D_SENSOR_YMAX_MSB(0)) << 8 | rmi_read_single(RMI_2D_SENSOR_YMAX_LSB(0)); int func_presence = rmi_read_single(RMI_FUNCTION_PRESENCE(RMI_2D_TOUCHPAD_FUNCTION)); int sensor_prop = rmi_read_single(RMI_2D_SENSOR_PROP2(0)); int sensor_resol = rmi_read_single(RMI_2D_SENSOR_RESOLUTION(0)); int min_dist = rmi_read_single(RMI_2D_MIN_DIST); int gesture_settings = rmi_read_single(RMI_2D_GESTURE_SETTINGS); union { unsigned char data; signed char value; }sensitivity; rmi_read(RMI_2D_SENSITIVITY_ADJ, 1, &sensitivity.data); /* Device to screen */ int zone_w = LCD_WIDTH; int zone_h = (zone_w * y_max + x_max - 1) / x_max; int zone_x = 0; int zone_y = LCD_HEIGHT - zone_h; #define DX2SX(x) (((x) * zone_w ) / x_max) #define DY2SY(y) (zone_h - ((y) * zone_h ) / y_max) struct viewport report_vp; memset(&report_vp, 0, sizeof(report_vp)); report_vp.x = zone_x; report_vp.y = zone_y; report_vp.width = zone_w; report_vp.height = zone_h; struct viewport gesture_vp; memset(&gesture_vp, 0, sizeof(gesture_vp)); gesture_vp.x = 0; gesture_vp.y = zone_y - 80; gesture_vp.width = LCD_WIDTH; gesture_vp.height = 80; while(1) { lcd_set_viewport(NULL); lcd_clear_display(); int btns = button_read_device(); lcd_putsf(0, 0, "button bitmap: %x", btns); lcd_putsf(0, 1, "RMI: id=%s p=%x s=%x", product_id, func_presence, sensor_prop); lcd_putsf(0, 2, "xmax=%d ymax=%d res=%d", x_max, y_max, sensor_resol); lcd_putsf(0, 3, "attn=%d ctl=%x int=%x", imx233_get_gpio_input_mask(0, 0x08000000) ? 0 : 1, rmi_read_single(RMI_DEVICE_CONTROL), rmi_read_single(RMI_INTERRUPT_REQUEST)); lcd_putsf(0, 4, "sensi: %d min_dist: %d", (int)sensitivity.value, min_dist); lcd_putsf(0, 5, "gesture: %x", gesture_settings); union { unsigned char data[10]; struct { struct rmi_2d_absolute_data_t absolute; struct rmi_2d_relative_data_t relative; struct rmi_2d_gesture_data_t gesture; }s; }u; int absolute_x = u.s.absolute.x_msb << 8 | u.s.absolute.x_lsb; int absolute_y = u.s.absolute.y_msb << 8 | u.s.absolute.y_lsb; int nr_fingers = u.s.absolute.misc & 7; bool gesture = (u.s.absolute.misc & 8) == 8; int palm_width = u.s.absolute.misc >> 4; rmi_read(RMI_DATA_REGISTER(0), 10, u.data); lcd_putsf(0, 6, "abs: %d %d %d", absolute_x, absolute_y, (int)u.s.absolute.z); lcd_putsf(0, 7, "rel: %d %d", (int)u.s.relative.x, (int)u.s.relative.y); lcd_putsf(0, 8, "gesture: %x %x", u.s.gesture.misc, u.s.gesture.flick); lcd_putsf(0, 9, "misc: w=%d g=%d f=%d", palm_width, gesture, nr_fingers); lcd_set_viewport(&report_vp); lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0xff, 0, 0), LCD_BLACK); lcd_drawrect(0, 0, zone_w, zone_h); if(nr_fingers == 1) { lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0, 0, 0xff), LCD_BLACK); lcd_drawline(DX2SX(absolute_x) - u.s.relative.x, DY2SY(absolute_y) + u.s.relative.y, DX2SX(absolute_x), DY2SY(absolute_y)); lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0, 0xff, 0), LCD_BLACK); lcd_fillrect(DX2SX(absolute_x) - 1, DY2SY(absolute_y) - 1, 3, 3); } lcd_set_viewport(&gesture_vp); lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0xff, 0xff, 0), LCD_BLACK); if(u.s.gesture.misc & RMI_2D_GEST_MISC_CONFIRMED) { switch(u.s.gesture.misc & RMI_2D_GEST_MISC_TAP_CODE_BM) { case RMI_2D_GEST_MISC_NO_TAP: break; case RMI_2D_GEST_MISC_SINGLE_TAP: lcd_putsf(0, 0, "TAP!"); break; case RMI_2D_GEST_MISC_DOUBLE_TAP: lcd_putsf(0, 0, "DOUBLE TAP!"); break; case RMI_2D_GEST_MISC_TAP_AND_HOLD: lcd_putsf(0, 0, "TAP & HOLD!"); break; default: break; } if(u.s.gesture.misc & RMI_2D_GEST_MISC_FLICK) { lcd_putsf(0, 1, "FLICK!"); int flick_x = u.s.gesture.flick & RMI_2D_GEST_FLICK_X_BM; int flick_y = (u.s.gesture.flick & RMI_2D_GEST_FLICK_Y_BM) >> RMI_2D_GEST_FLICK_Y_BP; #define SIGN4EXT(a) \ if(a & 8) a = -((a ^ 0xf) + 1); SIGN4EXT(flick_x); SIGN4EXT(flick_y); int center_x = (LCD_WIDTH * 2) / 3; int center_y = 40; lcd_drawline(center_x, center_y, center_x + flick_x * 5, center_y - flick_y * 5); } } lcd_update(); if(btns & BUTTON_POWER) break; if(btns & BUTTON_VOL_DOWN || btns & BUTTON_VOL_UP) { if(btns & BUTTON_VOL_UP) sensitivity.value++; if(btns & BUTTON_VOL_DOWN) sensitivity.value--; rmi_write(RMI_2D_SENSITIVITY_ADJ, 1, &sensitivity.data); } yield(); } } struct button_area_t { /* define a rectangle region */ int lx, ly; int rx, ry; int button; }; static struct button_area_t button_areas[] = { {1300, 600, 1700, 1100, BUTTON_SELECT}, {500, 600, 1100, 1100, BUTTON_LEFT}, {1900, 600, 2500, 1100, BUTTON_RIGHT}, {1300, 0, 1700, 400, BUTTON_DOWN}, {1300, 1300, 1700, 1800, BUTTON_UP}, {2500, 1600, 2900, 1800, BUTTON_PLAYPAUSE}, {300, 1600, 500, 1800, BUTTON_BACK}, {0, 0, 0, 0, 0}, }; #define RMI_INTERRUPT 1 static int touchpad_btns = 0; static long rmi_stack [DEFAULT_STACK_SIZE/sizeof(long)]; static const char rmi_thread_name[] = "rmi"; static struct event_queue rmi_queue; static int find_button(int x, int y) { struct button_area_t *area = button_areas; for(; area->button != 0; area++) { if(area->lx <= x && x <= area->rx && area->ly <= y && y <= area->ry) return area->button; } return 0; } int touchpad_read_device(void) { return touchpad_btns; } void rmi_attn_cb(int bank, int pin) { (void) bank; (void) pin; /* the callback will not be fired until interrupt is enabled back so * the queue will not overflow or contain multiple RMI_INTERRUPT events */ queue_post(&rmi_queue, RMI_INTERRUPT, 0); } void rmi_thread(void) { struct queue_event ev; while(1) { queue_wait(&rmi_queue, &ev); /* handle usb connect and ignore all messages except rmi interrupts */ if(ev.id == SYS_USB_CONNECTED) { usb_acknowledge(SYS_USB_CONNECTED_ACK); continue; } else if(ev.id != RMI_INTERRUPT) continue; /* clear interrupt */ rmi_read_single(RMI_INTERRUPT_REQUEST); /* read data */ union { unsigned char data[10]; struct { struct rmi_2d_absolute_data_t absolute; struct rmi_2d_relative_data_t relative; struct rmi_2d_gesture_data_t gesture; }s; }u; rmi_read(RMI_DATA_REGISTER(0), 10, u.data); int absolute_x = u.s.absolute.x_msb << 8 | u.s.absolute.x_lsb; int absolute_y = u.s.absolute.y_msb << 8 | u.s.absolute.y_lsb; int nr_fingers = u.s.absolute.misc & 7; if(nr_fingers == 0) touchpad_btns = 0; else touchpad_btns = find_button(absolute_x, absolute_y); /* enable interrupt */ imx233_setup_pin_irq(0, 27, true, true, false, &rmi_attn_cb); } } void button_init_device(void) { /* Synaptics TouchPad information: * - product id: 1533 * - nr function: 1 (0x10 = 2D touchpad) * 2D Touchpad information (function 0x10) * - nr data sources: 3 * - standard layout * - extra data registers: 7 * - nr sensors: 1 * 2D Touchpad Sensor #0 information: * - has relative data: yes * - has palm detect: yes * - has multi finger: yes * - has enhanced gesture: yes * - has scroller: no * - has 2D scrollers: no * - Maximum X: 3009 * - Maxumum Y: 1974 * - Resolution: 82 * * ATTENTION line: B0P27 asserted low * * The B0P26 line seems to be related to the touchpad */ /* touchpad CE ? */ imx233_set_pin_function(0, 26, PINCTRL_FUNCTION_GPIO); imx233_enable_gpio_output(0, 26, false); imx233_set_pin_drive_strength(0, 26, PINCTRL_DRIVE_8mA); rmi_init(0x40); rmi_write_single(RMI_2D_SENSITIVITY_ADJ, 5); rmi_write_single(RMI_2D_GESTURE_SETTINGS, RMI_2D_GESTURE_PRESS_TIME_300MS | RMI_2D_GESTURE_FLICK_DIST_4MM << RMI_2D_GESTURE_FLICK_DIST_BP | RMI_2D_GESTURE_FLICK_TIME_700MS << RMI_2D_GESTURE_FLICK_TIME_BP); queue_init(&rmi_queue, true); create_thread(rmi_thread, rmi_stack, sizeof(rmi_stack), 0, rmi_thread_name IF_PRIO(, PRIORITY_USER_INTERFACE) IF_COP(, CPU)); /* enable interrupt */ imx233_setup_pin_irq(0, 27, true, true, false, &rmi_attn_cb); } #else void button_init_device(void) { } int touchpad_read_device(void) { return 0; } #endif int button_read_device(void) { int res = 0; if(!imx233_get_gpio_input_mask(1, 0x40000000)) res |= BUTTON_VOL_DOWN; /* The imx233 uses the voltage on the PSWITCH pin to detect power up/down * events as well as recovery mode. Since the power button is the power button * and the volume up button is recovery, it is not possible to know whether * power button is down when volume up is down (except if there is another * method but volume up and power don't seem to be wired to GPIO pins). */ switch((HW_POWER_STS & HW_POWER_STS__PSWITCH_BM) >> HW_POWER_STS__PSWITCH_BP) { case 1: res |= BUTTON_POWER; break; case 3: res |= BUTTON_VOL_UP; break; default: break; } return res | touchpad_read_device(); }