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ypr0: Enable headphone detection

Browse source 
Author: Lorenzo Miori
Flyspray: FS#12348

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31544 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2012-01-03 21:15:27 +00:00
parent e9cb9538c7
commit c08ce1b829
8 changed files with 303 additions and 3 deletions
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1
firmware/SOURCES
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@ -82,6 +82,7 @@ target/hosted/ypr0/backlight-ypr0.c
#endif
target/hosted/ypr0/ascodec-ypr0.c
target/hosted/ypr0/powermgmt-ypr0.c
target/hosted/ypr0/gpio_ypr0.c
#endif
/* Maemo specific files */

4
firmware/export/config/samsungypr0.h
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@ -119,8 +119,8 @@
/* #define CONFIG_TUNER SI4700 */
/* #define HAVE_TUNER_PWR_CTRL*/
/*TODO: In R0 there is an interrupt for this (figure out ioctls)*/
/* #define HAVE_HEADPHONE_DETECTION */
/* We have a GPIO that detects it */
#define HAVE_HEADPHONE_DETECTION
#define BATTERY_CAPACITY_DEFAULT 600 /* default battery capacity */
#define BATTERY_CAPACITY_MIN 600 /* min. capacity selectable */

4
firmware/target/hosted/ypr0/button-target.h
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@ -5,7 +5,7 @@
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: button-target.h 29248 2011-02-08 20:05:25Z thomasjfox $
* $Id$
*
* Copyright (C) 2011 by Lorenzo Miori
*
@ -25,6 +25,8 @@
#include <stdbool.h>
#include "config.h"
bool headphones_inserted(void);
void button_init_device(void);
void button_close_device(void);
int button_read_device(void);

13
firmware/target/hosted/ypr0/button-ypr0.c
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@ -28,6 +28,7 @@
#include "kernel.h"
#include "system.h"
#include "button-target.h"
#include <gpio_ypr0.h> /* For headphones sense */
/* R0 physical key codes */
enum ypr0_buttons {
@ -45,6 +46,7 @@ enum ypr0_buttons {
static int r0_btn_fd = 0;
/* Samsung keypad driver doesn't allow multiple key combinations :( */
static enum ypr0_buttons r0_read_key(void)
{
@ -82,6 +84,11 @@ int button_read_device(void)
return key_to_button(r0_read_key());
}
bool headphones_inserted(void)
{
/* GPIO low - 0 - means headphones inserted */
return !gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_HEADPHONE_SENSE, 0, 0);
}
/* Open the keypad device: it is offered by r0Btn.ko module */
void button_init_device(void)
@ -89,6 +96,10 @@ void button_init_device(void)
r0_btn_fd = open("/dev/r0Btn", O_RDONLY);
if (r0_btn_fd < 0)
printf("/dev/r0Btn open error!");
/* Setup GPIO pin for headphone sense, copied from OF */
gpio_control(DEV_CTRL_GPIO_SET_MUX, GPIO_HEADPHONE_SENSE, CONFIG_SION, PAD_CTL_47K_PU);
gpio_control(DEV_CTRL_GPIO_SET_INPUT, GPIO_HEADPHONE_SENSE, CONFIG_SION, PAD_CTL_47K_PU);
}
#ifdef BUTTON_DRIVER_CLOSE
@ -99,5 +110,7 @@ void button_close_device(void)
close(r0_btn_fd);
printf("/dev/r0Btn closed!");
}
/* Don't know the precise meaning, but it's done as in the OF, so copied there */
gpio_control(DEV_CTRL_GPIO_UNSET_MUX, GPIO_HEADPHONE_SENSE, CONFIG_SION, 0);
}
#endif /* BUTTON_DRIVER_CLOSE */

54
firmware/target/hosted/ypr0/gpio_ypr0.c Normal file
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@ -0,0 +1,54 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: ascodec-target.h 26116 2010-05-17 20:53:25Z funman $
*
* Module wrapper for GPIO, using /dev/r0GPIO (r0Gpio.ko) of Samsung YP-R0
*
* Copyright (c) 2011 Lorenzo Miori
*
* 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 <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <gpio_ypr0.h> /* includes r0GPIOioctl.h */
#include <sys/ioctl.h>
static int r0_gpio_dev = 0;
void gpio_init(void)
{
r0_gpio_dev = open("/dev/r0GPIO", O_RDONLY);
if (r0_gpio_dev < 0)
printf("/dev/r0GPIO open error!");
}
void gpio_close(void)
{
if (r0_gpio_dev < 0)
close(r0_gpio_dev);
}
int gpio_control_struct(int request, R0GPIOInfo r)
{
return ioctl(r0_gpio_dev, request, &r);
}
int gpio_control(int request, int num, int mode, int val)
{
R0GPIOInfo r = { .num = num, .mode = mode, .val = val, };
return ioctl(r0_gpio_dev, request, &r);
}

42
firmware/target/hosted/ypr0/gpio_ypr0.h Normal file
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@ -0,0 +1,42 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: ascodec-target.h 26116 2010-05-17 20:53:25Z funman $
*
* Module wrapper for GPIO, using /dev/r0GPIO (r0Gpio.ko) of Samsung YP-R0
*
* Copyright (c) 2011 Lorenzo Miori
*
* 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.
*
****************************************************************************/
#ifndef GPIO_YPR0_H
#define GPIO_YPR0_H
#include "r0GPIOIoctl.h"
/* Some meaningful pins used in the R0 */
#define GPIO_HEADPHONE_SENSE GPIO1_5
//26
#define GPIO_EXT_PWR_SENSE GPIO1_26
//59
#define GPIO_SD_SENSE GPIO2_24
void gpio_init(void);
void gpio_close(void);
int gpio_control_struct(int request, R0GPIOInfo pin);
int gpio_control(int request, int num, int mode, int val);
#endif

185
firmware/target/hosted/ypr0/r0GPIOIoctl.h Normal file
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@ -0,0 +1,185 @@
/* This file originates from the linux kernel provided in Samsung's YP-R0 Open
* Source package (second release, which includes some driver modules sources).
*/
#ifndef __IOCTL_GPIO_H__
#define __IOCTL_GPIO_H__
#include <sys/ioctl.h>
//#include "iomux.h"
typedef struct {
int num;
int mode;
int val;
}__attribute__((packed)) R0GPIOInfo;
#define IOCTL_GPIO_MAGIC 'G'
#define E_IOCTL_GPIO_SET_MUX 0
#define E_IOCTL_GPIO_UNSET_MUX 1
#define E_IOCTL_GPIO_SET_TYPE 2
#define E_IOCTL_GPIO_SET_OUTPUT 3
#define E_IOCTL_GPIO_SET_INPUT 4
#define E_IOCTL_GPIO_SET_HIGH 5
#define E_IOCTL_GPIO_SET_LOW 6
#define E_IOCTL_GPIO_GET_VAL 7
#define E_IOCTL_GPIO_IS_HIGH 8
#define E_IOCTL_GPIO_MAX_NR 9
#define DEV_CTRL_GPIO_SET_MUX _IOW(IOCTL_GPIO_MAGIC, 0, R0GPIOInfo)
#define DEV_CTRL_GPIO_UNSET_MUX _IOW(IOCTL_GPIO_MAGIC, 1, R0GPIOInfo)
#define DEV_CTRL_GPIO_SET_TYPE _IOW(IOCTL_GPIO_MAGIC, 2, R0GPIOInfo)
#define DEV_CTRL_GPIO_SET_OUTPUT _IOW(IOCTL_GPIO_MAGIC, 3, R0GPIOInfo)
#define DEV_CTRL_GPIO_SET_INPUT _IOW(IOCTL_GPIO_MAGIC, 4, R0GPIOInfo)
#define DEV_CTRL_GPIO_SET_HIGH _IOW(IOCTL_GPIO_MAGIC, 5, R0GPIOInfo)
#define DEV_CTRL_GPIO_SET_LOW _IOW(IOCTL_GPIO_MAGIC, 6, R0GPIOInfo)
#define DEV_CTRL_GPIO_GET_VAL _IOW(IOCTL_GPIO_MAGIC, 7, R0GPIOInfo)
#define DEV_CTRL_GPIO_IS_HIGH _IOW(IOCTL_GPIO_MAGIC, 8, R0GPIOInfo)
typedef enum
{
GPIO1_0 = 0, /* GPIO group 1 start */
GPIO1_1,
GPIO1_2,
GPIO1_3,
GPIO1_4,
GPIO1_5,
GPIO1_6,
GPIO1_7,
GPIO1_8,
GPIO1_9,
GPIO1_10,
GPIO1_11,
GPIO1_12,
GPIO1_13,
GPIO1_14,
GPIO1_15,
GPIO1_16,
GPIO1_17,
GPIO1_18,
GPIO1_19,
GPIO1_20,
GPIO1_21,
GPIO1_22,
GPIO1_23,
GPIO1_24,
GPIO1_25,
GPIO1_26,
GPIO1_27,
GPIO1_28,
GPIO1_29,
GPIO1_30,
GPIO1_31,
GPIO2_0, /* GPIO group 2 start */
GPIO2_1,
GPIO2_2,
GPIO2_3,
GPIO2_4,
GPIO2_5,
GPIO2_6,
GPIO2_7,
GPIO2_8,
GPIO2_9,
GPIO2_10,
GPIO2_11,
GPIO2_12,
GPIO2_13,
GPIO2_14,
GPIO2_15,
GPIO2_16,
GPIO2_17,
GPIO2_18,
GPIO2_19,
GPIO2_20,
GPIO2_21,
GPIO2_22,
GPIO2_23,
GPIO2_24,
GPIO2_25,
GPIO2_26,
GPIO2_27,
GPIO2_28,
GPIO2_29,
GPIO2_30,
GPIO2_31,
GPIO3_0, /* GPIO group 3 start */
GPIO3_1,
GPIO3_2,
GPIO3_3,
GPIO3_4,
GPIO3_5,
GPIO3_6,
GPIO3_7,
GPIO3_8,
GPIO3_9,
GPIO3_10,
GPIO3_11,
GPIO3_12,
GPIO3_13,
GPIO3_14,
GPIO3_15,
GPIO3_16,
GPIO3_17,
GPIO3_18,
GPIO3_19,
GPIO3_20,
GPIO3_21,
GPIO3_22,
GPIO3_23,
GPIO3_24,
GPIO3_25,
GPIO3_26,
GPIO3_27,
GPIO3_28,
GPIO3_29,
GPIO3_30,
GPIO3_31,
}R0_MX37_GPIO;
typedef enum
{
CONFIG_ALT0,
CONFIG_ALT1,
CONFIG_ALT2,
CONFIG_ALT3,
CONFIG_ALT4,
CONFIG_ALT5,
CONFIG_ALT6,
CONFIG_ALT7,
CONFIG_GPIO,
CONFIG_SION = 0x01 << 4,
CONFIG_DEFAULT
} R0_MX37_PIN_CONFIG;
#ifndef __MACH_MX37_IOMUX_H__
typedef enum
{
PAD_CTL_SRE_SLOW = 0x0 << 0,
PAD_CTL_SRE_FAST = 0x1 << 0,
PAD_CTL_DRV_LOW = 0x0 << 1,
PAD_CTL_DRV_MEDIUM = 0x1 << 1,
PAD_CTL_DRV_HIGH = 0x2 << 1,
PAD_CTL_DRV_MAX = 0x3 << 1,
PAD_CTL_ODE_OPENDRAIN_NONE = 0x0 << 3,
PAD_CTL_ODE_OPENDRAIN_ENABLE = 0x1 << 3,
PAD_CTL_100K_PD = 0x0 << 4,
PAD_CTL_47K_PU = 0x1 << 4,
PAD_CTL_100K_PU = 0x2 << 4,
PAD_CTL_22K_PU = 0x3 << 4,
PAD_CTL_PUE_KEEPER = 0x0 << 6,
PAD_CTL_PUE_PULL = 0x1 << 6,
PAD_CTL_PKE_NONE = 0x0 << 7,
PAD_CTL_PKE_ENABLE = 0x1 << 7,
PAD_CTL_HYS_NONE = 0x0 << 8,
PAD_CTL_HYS_ENABLE = 0x1 << 8,
PAD_CTL_DDR_INPUT_CMOS = 0x0 << 9,
PAD_CTL_DDR_INPUT_DDR = 0x1 << 9,
PAD_CTL_DRV_VOT_LOW = 0x0 << 13,
PAD_CTL_DRV_VOT_HIGH = 0x1 << 13,
} R0_MX37_PAD_CONFIG;
#endif
#endif /* __IOCTL_GPIO__H__ */

3
firmware/target/hosted/ypr0/system-ypr0.c
View file

@ -31,11 +31,13 @@
#endif
#include "ascodec-target.h"
#include "gpio_ypr0.h"
void power_off(void)
{
/* Something that we need to do before exit on our platform YPR0 */
ascodec_close();
gpio_close();
exit(EXIT_SUCCESS);
}
@ -52,6 +54,7 @@ void system_init(void)
#endif
/* Here begins our platform specific initilization for various things */
ascodec_init();
gpio_init();
}