a43509cc99
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29869 a1c6a512-1295-4272-9138-f99709370657
271 lines
9.3 KiB
C
271 lines
9.3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2011 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "button-target.h"
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#include "system.h"
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#include "system-target.h"
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#include "pinctrl-imx233.h"
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#include "generic_i2c.h"
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#include "synaptics-rmi.h"
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#include "lcd.h"
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#include "string.h"
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static void i2c_scl_dir(bool out)
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{
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imx233_enable_gpio_output(0, 30, out);
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}
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static void i2c_sda_dir(bool out)
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{
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imx233_enable_gpio_output(0, 31, out);
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}
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static void i2c_scl_out(bool high)
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{
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imx233_set_gpio_output(0, 30, high);
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}
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static void i2c_sda_out(bool high)
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{
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imx233_set_gpio_output(0, 31, high);
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}
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static bool i2c_scl_in(void)
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{
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return imx233_get_gpio_input_mask(0, 1 << 30);
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}
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static bool i2c_sda_in(void)
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{
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return imx233_get_gpio_input_mask(0, 1 << 31);
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}
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static void i2c_delay(int d)
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{
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udelay(d);
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}
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struct i2c_interface btn_i2c =
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{
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.scl_dir = i2c_scl_dir,
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.sda_dir = i2c_sda_dir,
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.scl_out = i2c_scl_out,
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.sda_out = i2c_sda_out,
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.scl_in = i2c_scl_in,
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.sda_in = i2c_sda_in,
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.delay = i2c_delay,
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.delay_hd_sta = 4,
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.delay_hd_dat = 5,
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.delay_su_dat = 1,
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.delay_su_sto = 4,
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.delay_su_sta = 5,
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.delay_thigh = 4
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};
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int rmi_i2c_bus = -1;
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void button_debug_screen(void)
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{
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char product_id[RMI_PRODUCT_ID_LEN];
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rmi_read(RMI_PRODUCT_ID, RMI_PRODUCT_ID_LEN, product_id);
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int x_max = rmi_read_single(RMI_2D_SENSOR_XMAX_MSB(0)) << 8 | rmi_read_single(RMI_2D_SENSOR_XMAX_LSB(0));
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int y_max = rmi_read_single(RMI_2D_SENSOR_YMAX_MSB(0)) << 8 | rmi_read_single(RMI_2D_SENSOR_YMAX_LSB(0));
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int func_presence = rmi_read_single(RMI_FUNCTION_PRESENCE(RMI_2D_TOUCHPAD_FUNCTION));
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int sensor_prop = rmi_read_single(RMI_2D_SENSOR_PROP2(0));
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int sensor_resol = rmi_read_single(RMI_2D_SENSOR_RESOLUTION(0));
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int min_dist = rmi_read_single(RMI_2D_MIN_DIST);
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int gesture_settings = rmi_read_single(RMI_2D_GESTURE_SETTINGS);
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union
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{
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unsigned char data;
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signed char value;
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}sensitivity;
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rmi_read(RMI_2D_SENSITIVITY_ADJ, 1, &sensitivity.data);
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/* Device to screen */
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int zone_w = LCD_WIDTH;
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int zone_h = (zone_w * y_max + x_max - 1) / x_max;
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int zone_x = 0;
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int zone_y = LCD_HEIGHT - zone_h;
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#define DX2SX(x) (((x) * zone_w ) / x_max)
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#define DY2SY(y) (zone_h - ((y) * zone_h ) / y_max)
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struct viewport report_vp;
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memset(&report_vp, 0, sizeof(report_vp));
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report_vp.x = zone_x;
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report_vp.y = zone_y;
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report_vp.width = zone_w;
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report_vp.height = zone_h;
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struct viewport gesture_vp;
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memset(&gesture_vp, 0, sizeof(gesture_vp));
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gesture_vp.x = 0;
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gesture_vp.y = zone_y - 80;
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gesture_vp.width = LCD_WIDTH;
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gesture_vp.height = 80;
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while(1)
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{
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lcd_set_viewport(NULL);
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lcd_clear_display();
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int btns = button_read_device();
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lcd_putsf(0, 0, "button bitmap: %x", btns);
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lcd_putsf(0, 1, "RMI: id=%s p=%x s=%x", product_id, func_presence, sensor_prop);
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lcd_putsf(0, 2, "xmax=%d ymax=%d res=%d", x_max, y_max, sensor_resol);
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lcd_putsf(0, 3, "attn=%d ctl=%x int=%x",
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imx233_get_gpio_input_mask(0, 0x08000000) ? 0 : 1,
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rmi_read_single(RMI_DEVICE_CONTROL),
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rmi_read_single(RMI_INTERRUPT_REQUEST));
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lcd_putsf(0, 4, "sensi: %d min_dist: %d", (int)sensitivity.value, min_dist);
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lcd_putsf(0, 5, "gesture: %x", gesture_settings);
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union
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{
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unsigned char data[10];
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struct
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{
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struct rmi_2d_absolute_data_t absolute;
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struct rmi_2d_relative_data_t relative;
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struct rmi_2d_gesture_data_t gesture;
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}s;
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}u;
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int absolute_x = u.s.absolute.x_msb << 8 | u.s.absolute.x_lsb;
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int absolute_y = u.s.absolute.y_msb << 8 | u.s.absolute.y_lsb;
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int nr_fingers = u.s.absolute.misc & 7;
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bool gesture = (u.s.absolute.misc & 8) == 8;
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int palm_width = u.s.absolute.misc >> 4;
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rmi_read(RMI_DATA_REGISTER(0), 10, u.data);
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lcd_putsf(0, 6, "abs: %d %d %d", absolute_x, absolute_y, (int)u.s.absolute.z);
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lcd_putsf(0, 7, "rel: %d %d", (int)u.s.relative.x, (int)u.s.relative.y);
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lcd_putsf(0, 8, "gesture: %x %x", u.s.gesture.misc, u.s.gesture.flick);
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lcd_putsf(0, 9, "misc: w=%d g=%d f=%d", palm_width, gesture, nr_fingers);
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lcd_set_viewport(&report_vp);
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lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0xff, 0, 0), LCD_BLACK);
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lcd_drawrect(0, 0, zone_w, zone_h);
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if(nr_fingers == 1)
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{
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lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0, 0, 0xff), LCD_BLACK);
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lcd_drawline(DX2SX(absolute_x) - u.s.relative.x,
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DY2SY(absolute_y) + u.s.relative.y,
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DX2SX(absolute_x), DY2SY(absolute_y));
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lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0, 0xff, 0), LCD_BLACK);
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lcd_fillrect(DX2SX(absolute_x) - 1, DY2SY(absolute_y) - 1, 3, 3);
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}
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lcd_set_viewport(&gesture_vp);
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lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0xff, 0xff, 0), LCD_BLACK);
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if(u.s.gesture.misc & RMI_2D_GEST_MISC_CONFIRMED)
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{
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switch(u.s.gesture.misc & RMI_2D_GEST_MISC_TAP_CODE_BM)
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{
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case RMI_2D_GEST_MISC_NO_TAP: break;
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case RMI_2D_GEST_MISC_SINGLE_TAP:
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lcd_putsf(0, 0, "TAP!");
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break;
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case RMI_2D_GEST_MISC_DOUBLE_TAP:
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lcd_putsf(0, 0, "DOUBLE TAP!");
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break;
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case RMI_2D_GEST_MISC_TAP_AND_HOLD:
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lcd_putsf(0, 0, "TAP & HOLD!");
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break;
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default: break;
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}
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if(u.s.gesture.misc & RMI_2D_GEST_MISC_FLICK)
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{
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lcd_putsf(0, 1, "FLICK!");
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int flick_x = u.s.gesture.flick & RMI_2D_GEST_FLICK_X_BM;
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int flick_y = (u.s.gesture.flick & RMI_2D_GEST_FLICK_Y_BM) >> RMI_2D_GEST_FLICK_Y_BP;
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#define SIGN4EXT(a) \
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if(a & 8) a = -((a ^ 0xf) + 1);
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SIGN4EXT(flick_x);
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SIGN4EXT(flick_y);
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int center_x = (LCD_WIDTH * 2) / 3;
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int center_y = 40;
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lcd_drawline(center_x, center_y, center_x + flick_x * 5, center_y - flick_y * 5);
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}
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}
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lcd_update();
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if(btns & BUTTON_POWER)
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break;
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if(btns & BUTTON_VOL_DOWN || btns & BUTTON_VOL_UP)
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{
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if(btns & BUTTON_VOL_UP)
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sensitivity.value++;
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if(btns & BUTTON_VOL_DOWN)
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sensitivity.value--;
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rmi_write(RMI_2D_SENSITIVITY_ADJ, 1, &sensitivity.data);
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}
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yield();
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}
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}
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void button_init_device(void)
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{
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rmi_i2c_bus = i2c_add_node(&btn_i2c);
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rmi_init(rmi_i2c_bus, 0x40);
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/* Synaptics TouchPad information:
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* - product id: 1533
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* - nr function: 1 (0x10 = 2D touchpad)
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* 2D Touchpad information (function 0x10)
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* - nr data sources: 3
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* - standard layout
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* - extra data registers: 7
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* - nr sensors: 1
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* 2D Touchpad Sensor #0 information:
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* - has relative data: yes
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* - has palm detect: yes
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* - has multi finger: yes
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* - has enhanced gesture: yes
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* - has scroller: no
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* - has 2D scrollers: no
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* - Maximum X: 3009
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* - Maxumum Y: 1974
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* - Resolution: 82
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*
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* ATTENTION line: B0P27 asserted low
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*/
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rmi_write_single(RMI_2D_SENSITIVITY_ADJ, 5);
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rmi_write_single(RMI_2D_GESTURE_SETTINGS,
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RMI_2D_GESTURE_PRESS_TIME_300MS |
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RMI_2D_GESTURE_FLICK_DIST_4MM << RMI_2D_GESTURE_FLICK_DIST_BP |
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RMI_2D_GESTURE_FLICK_TIME_700MS << RMI_2D_GESTURE_FLICK_TIME_BP);
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}
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int button_read_device(void)
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{
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int res = 0;
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if(!imx233_get_gpio_input_mask(1, 0x40000000))
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res |= BUTTON_VOL_DOWN;
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/* The imx233 uses the voltage on the PSWITCH pin to detect power up/down
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* events as well as recovery mode. Since the power button is the power button
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* and the volume up button is recovery, it is not possible to know whether
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* power button is down when volume up is down (except if there is another
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* method but volume up and power don't seem to be wired to GPIO pins). */
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switch((HW_POWER_STS & HW_POWER_STS__PSWITCH_BM) >> HW_POWER_STS__PSWITCH_BP)
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{
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case 1: res |= BUTTON_POWER; break;
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case 3: res |= BUTTON_VOL_UP; break;
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default: break;
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}
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return res;
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}
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