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authorThomas Martitz <kugel@rockbox.org>2012-01-03 21:15:27 +0000
committerThomas Martitz <kugel@rockbox.org>2012-01-03 21:15:27 +0000
commitc08ce1b829be53cdd24bb864cf73b648f44af412 (patch)
tree54157629b9a6633ed5a0fec2e00004215ce6b412 /firmware/target/hosted/ypr0
parente9cb9538c76fc6560fc8475a0bfcd9821d0a66be (diff)
downloadrockbox-c08ce1b829be53cdd24bb864cf73b648f44af412.tar.gz
rockbox-c08ce1b829be53cdd24bb864cf73b648f44af412.zip
ypr0: Enable headphone detection
Author: Lorenzo Miori Flyspray: FS#12348 git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31544 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/hosted/ypr0')
-rw-r--r--firmware/target/hosted/ypr0/button-target.h4
-rw-r--r--firmware/target/hosted/ypr0/button-ypr0.c13
-rw-r--r--firmware/target/hosted/ypr0/gpio_ypr0.c54
-rw-r--r--firmware/target/hosted/ypr0/gpio_ypr0.h42
-rw-r--r--firmware/target/hosted/ypr0/r0GPIOIoctl.h185
-rw-r--r--firmware/target/hosted/ypr0/system-ypr0.c3
6 files changed, 300 insertions, 1 deletions
diff --git a/firmware/target/hosted/ypr0/button-target.h b/firmware/target/hosted/ypr0/button-target.h
index 5d65d97607..beddc66c67 100644
--- a/firmware/target/hosted/ypr0/button-target.h
+++ b/firmware/target/hosted/ypr0/button-target.h
@@ -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);
diff --git a/firmware/target/hosted/ypr0/button-ypr0.c b/firmware/target/hosted/ypr0/button-ypr0.c
index 4298410161..5953bcebf9 100644
--- a/firmware/target/hosted/ypr0/button-ypr0.c
+++ b/firmware/target/hosted/ypr0/button-ypr0.c
@@ -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 */
diff --git a/firmware/target/hosted/ypr0/gpio_ypr0.c b/firmware/target/hosted/ypr0/gpio_ypr0.c
new file mode 100644
index 0000000000..9c3f186a6b
--- /dev/null
+++ b/firmware/target/hosted/ypr0/gpio_ypr0.c
@@ -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);
+} \ No newline at end of file
diff --git a/firmware/target/hosted/ypr0/gpio_ypr0.h b/firmware/target/hosted/ypr0/gpio_ypr0.h
new file mode 100644
index 0000000000..9fc7444887
--- /dev/null
+++ b/firmware/target/hosted/ypr0/gpio_ypr0.h
@@ -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 \ No newline at end of file
diff --git a/firmware/target/hosted/ypr0/r0GPIOIoctl.h b/firmware/target/hosted/ypr0/r0GPIOIoctl.h
new file mode 100644
index 0000000000..e77f35fbb7
--- /dev/null
+++ b/firmware/target/hosted/ypr0/r0GPIOIoctl.h
@@ -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__ */
diff --git a/firmware/target/hosted/ypr0/system-ypr0.c b/firmware/target/hosted/ypr0/system-ypr0.c
index bf3b1cd4c9..784b4fe48e 100644
--- a/firmware/target/hosted/ypr0/system-ypr0.c
+++ b/firmware/target/hosted/ypr0/system-ypr0.c
@@ -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();
}