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Commit 33a04454 authored by malattia@linux.it's avatar malattia@linux.it Committed by Len Brown
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sony-laptop: Add SNY6001 device handling (sonypi reimplementation) 

Reimplement sonypi using ACPI only functions.
Signed-off-by: default avatarMattia Dongili <malattia@linux.it>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent b9a218b7
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Showing with 1072 additions and 13 deletions
drivers/misc/sony-laptop.c
View file @ 33a04454
/*
* ACPI Sony Notebook Control Driver (SNC)
* ACPI Sony Notebook Control Driver (SNC and SPIC)
*
* Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
* Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
......@@ -7,6 +7,25 @@
* Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
* which are copyrighted by their respective authors.
*
* The SNY6001 driver part is based on the sonypi driver which includes
* material from:
*
* Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
*
* Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
*
* Copyright (C) 2001-2002 Alcve <www.alcove.com>
*
* Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
*
* Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
*
* Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
*
* Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
*
* Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
*
* 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
......@@ -31,32 +50,65 @@
#include <linux/backlight.h>
#include <linux/platform_device.h>
#include <linux/err.h>
#include <linux/dmi.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/kfifo.h>
#include <linux/workqueue.h>
#include <linux/acpi.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h>
#include <asm/uaccess.h>
#include <linux/sonypi.h>
#define LOG_PFX KERN_WARNING "sony-laptop: "
#define DRV_PFX "sony-laptop: "
#define LOG_PFX KERN_WARNING DRV_PFX
#define dprintk(msg...) do { \
if (debug) printk(KERN_WARNING LOG_PFX msg); \
if (debug) printk(LOG_PFX msg); \
} while (0)
#define SONY_NC_CLASS "sony"
#define SONY_LAPTOP_DRIVER_VERSION "0.5"
#define SONY_NC_CLASS "sony-nc"
#define SONY_NC_HID "SNY5001"
#define SONY_NC_DRIVER_NAME "ACPI Sony Notebook Control Driver v0.4"
#define SONY_NC_DRIVER_NAME "Sony Notebook Control"
/* the device uses 1-based values, while the backlight subsystem uses
0-based values */
#define SONY_MAX_BRIGHTNESS 8
#define SONY_PIC_CLASS "sony-pic"
#define SONY_PIC_HID "SNY6001"
#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control"
MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
MODULE_DESCRIPTION(SONY_NC_DRIVER_NAME);
MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
MODULE_LICENSE("GPL");
MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
static int debug;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
"the development of this driver");
static int no_spic; /* = 0 */
module_param(no_spic, int, 0444);
MODULE_PARM_DESC(no_spic,
"set this if you don't want to enable the SPIC device");
static int compat; /* = 0 */
module_param(compat, int, 0444);
MODULE_PARM_DESC(compat,
"set this if you want to enable backward compatibility mode");
static int force_jog; /* = 0 */
module_param(force_jog, int, 0444);
MODULE_PARM_DESC(force_jog,
"set this if the driver doesn't detect your jogdial");
static unsigned long mask = 0xffffffff;
module_param(mask, ulong, 0644);
MODULE_PARM_DESC(mask,
"set this to the mask of event you want to enable (see doc)");
/*********** Platform Device ***********/
static atomic_t sony_pf_users = ATOMIC_INIT(0);
......@@ -115,6 +167,13 @@ static void sony_pf_remove(void)
/*********** SNC (SNY5001) Device ***********/
/* the device uses 1-based values, while the backlight subsystem uses
0-based values */
#define SONY_MAX_BRIGHTNESS 8
#define SNC_VALIDATE_IN 0
#define SNC_VALIDATE_OUT 1
static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
char *);
static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
......@@ -122,9 +181,6 @@ static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
static int boolean_validate(const int, const int);
static int brightness_default_validate(const int, const int);
#define SNC_VALIDATE_IN 0
#define SNC_VALIDATE_OUT 1
struct sony_nc_value {
char *name; /* name of the entry */
char **acpiget; /* names of the ACPI get function */
......@@ -420,6 +476,7 @@ static int sony_nc_add(struct acpi_device *device)
struct sony_nc_value *item;
sony_nc_acpi_device = device;
strcpy(acpi_device_class(device), "sony/hotkey");
sony_nc_acpi_handle = device->handle;
......@@ -555,6 +612,7 @@ static struct acpi_driver sony_nc_driver = {
.name = SONY_NC_DRIVER_NAME,
.class = SONY_NC_CLASS,
.ids = SONY_NC_HID,
.owner = THIS_MODULE,
.ops = {
.add = sony_nc_add,
.remove = sony_nc_remove,
......@@ -562,14 +620,1015 @@ static struct acpi_driver sony_nc_driver = {
},
};
/*********** SPIC (SNY6001) Device ***********/
#define SONYPI_DEVICE_TYPE1 0x00000001
#define SONYPI_DEVICE_TYPE2 0x00000002
#define SONYPI_DEVICE_TYPE3 0x00000004
#define SONY_EC_JOGB 0x82
#define SONY_EC_JOGB_MASK 0x02
#define SONY_PIC_EV_MASK 0xff
#define SONYPI_BUF_SIZE 128
struct sony_pic_ioport {
struct acpi_resource_io io;
struct list_head list;
};
struct sony_pic_irq {
struct acpi_resource_irq irq;
struct list_head list;
};
struct sony_pic_dev {
int model;
struct acpi_device *acpi_dev;
struct sony_pic_irq *cur_irq;
struct sony_pic_ioport *cur_ioport;
struct list_head interrupts;
struct list_head ioports;
struct input_dev *input_jog_dev;
struct input_dev *input_key_dev;
struct kfifo *input_fifo;
spinlock_t input_fifo_lock;
struct workqueue_struct *sony_pic_wq;
};
static struct sony_pic_dev spic_dev = {
.interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
.ioports = LIST_HEAD_INIT(spic_dev.ioports),
};
/* Event masks */
#define SONYPI_JOGGER_MASK 0x00000001
#define SONYPI_CAPTURE_MASK 0x00000002
#define SONYPI_FNKEY_MASK 0x00000004
#define SONYPI_BLUETOOTH_MASK 0x00000008
#define SONYPI_PKEY_MASK 0x00000010
#define SONYPI_BACK_MASK 0x00000020
#define SONYPI_HELP_MASK 0x00000040
#define SONYPI_LID_MASK 0x00000080
#define SONYPI_ZOOM_MASK 0x00000100
#define SONYPI_THUMBPHRASE_MASK 0x00000200
#define SONYPI_MEYE_MASK 0x00000400
#define SONYPI_MEMORYSTICK_MASK 0x00000800
#define SONYPI_BATTERY_MASK 0x00001000
#define SONYPI_WIRELESS_MASK 0x00002000
struct sonypi_event {
u8 data;
u8 event;
};
/* The set of possible button release events */
static struct sonypi_event sonypi_releaseev[] = {
{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
{ 0, 0 }
};
/* The set of possible jogger events */
static struct sonypi_event sonypi_joggerev[] = {
{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
{ 0, 0 }
};
/* The set of possible capture button events */
static struct sonypi_event sonypi_captureev[] = {
{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
{ 0, 0 }
};
/* The set of possible fnkeys events */
static struct sonypi_event sonypi_fnkeyev[] = {
{ 0x10, SONYPI_EVENT_FNKEY_ESC },
{ 0x11, SONYPI_EVENT_FNKEY_F1 },
{ 0x12, SONYPI_EVENT_FNKEY_F2 },
{ 0x13, SONYPI_EVENT_FNKEY_F3 },
{ 0x14, SONYPI_EVENT_FNKEY_F4 },
{ 0x15, SONYPI_EVENT_FNKEY_F5 },
{ 0x16, SONYPI_EVENT_FNKEY_F6 },
{ 0x17, SONYPI_EVENT_FNKEY_F7 },
{ 0x18, SONYPI_EVENT_FNKEY_F8 },
{ 0x19, SONYPI_EVENT_FNKEY_F9 },
{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
{ 0x21, SONYPI_EVENT_FNKEY_1 },
{ 0x22, SONYPI_EVENT_FNKEY_2 },
{ 0x31, SONYPI_EVENT_FNKEY_D },
{ 0x32, SONYPI_EVENT_FNKEY_E },
{ 0x33, SONYPI_EVENT_FNKEY_F },
{ 0x34, SONYPI_EVENT_FNKEY_S },
{ 0x35, SONYPI_EVENT_FNKEY_B },
{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
{ 0, 0 }
};
/* The set of possible program key events */
static struct sonypi_event sonypi_pkeyev[] = {
{ 0x01, SONYPI_EVENT_PKEY_P1 },
{ 0x02, SONYPI_EVENT_PKEY_P2 },
{ 0x04, SONYPI_EVENT_PKEY_P3 },
{ 0x5c, SONYPI_EVENT_PKEY_P1 },
{ 0, 0 }
};
/* The set of possible bluetooth events */
static struct sonypi_event sonypi_blueev[] = {
{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
{ 0, 0 }
};
/* The set of possible wireless events */
static struct sonypi_event sonypi_wlessev[] = {
{ 0x59, SONYPI_EVENT_WIRELESS_ON },
{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
{ 0, 0 }
};
/* The set of possible back button events */
static struct sonypi_event sonypi_backev[] = {
{ 0x20, SONYPI_EVENT_BACK_PRESSED },
{ 0, 0 }
};
/* The set of possible help button events */
static struct sonypi_event sonypi_helpev[] = {
{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
{ 0, 0 }
};
/* The set of possible lid events */
static struct sonypi_event sonypi_lidev[] = {
{ 0x51, SONYPI_EVENT_LID_CLOSED },
{ 0x50, SONYPI_EVENT_LID_OPENED },
{ 0, 0 }
};
/* The set of possible zoom events */
static struct sonypi_event sonypi_zoomev[] = {
{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
{ 0, 0 }
};
/* The set of possible thumbphrase events */
static struct sonypi_event sonypi_thumbphraseev[] = {
{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
{ 0, 0 }
};
/* The set of possible motioneye camera events */
static struct sonypi_event sonypi_meyeev[] = {
{ 0x00, SONYPI_EVENT_MEYE_FACE },
{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
{ 0, 0 }
};
/* The set of possible memorystick events */
static struct sonypi_event sonypi_memorystickev[] = {
{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
{ 0, 0 }
};
/* The set of possible battery events */
static struct sonypi_event sonypi_batteryev[] = {
{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
{ 0, 0 }
};
static struct sonypi_eventtypes {
int model;
u8 data;
unsigned long mask;
struct sonypi_event * events;
} sony_pic_eventtypes[] = {
{ SONYPI_DEVICE_TYPE1, 0, 0xffffffff, sonypi_releaseev },
{ SONYPI_DEVICE_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
{ SONYPI_DEVICE_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
{ SONYPI_DEVICE_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
{ SONYPI_DEVICE_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
{ SONYPI_DEVICE_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
{ SONYPI_DEVICE_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
{ SONYPI_DEVICE_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
{ SONYPI_DEVICE_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
{ SONYPI_DEVICE_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
{ SONYPI_DEVICE_TYPE2, 0, 0xffffffff, sonypi_releaseev },
{ SONYPI_DEVICE_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
{ SONYPI_DEVICE_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
{ SONYPI_DEVICE_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
{ SONYPI_DEVICE_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
{ SONYPI_DEVICE_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
{ SONYPI_DEVICE_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
{ SONYPI_DEVICE_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
{ SONYPI_DEVICE_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
{ SONYPI_DEVICE_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
{ SONYPI_DEVICE_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
{ SONYPI_DEVICE_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
{ SONYPI_DEVICE_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
{ SONYPI_DEVICE_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
{ SONYPI_DEVICE_TYPE3, 0, 0xffffffff, sonypi_releaseev },
{ SONYPI_DEVICE_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
{ SONYPI_DEVICE_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
{ SONYPI_DEVICE_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
{ SONYPI_DEVICE_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
{ SONYPI_DEVICE_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
{ 0 }
};
static int sony_pic_detect_device_type(void)
{
struct pci_dev *pcidev;
int model = 0;
if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
model = SONYPI_DEVICE_TYPE1;
else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
model = SONYPI_DEVICE_TYPE3;
else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
model = SONYPI_DEVICE_TYPE3;
else
model = SONYPI_DEVICE_TYPE2;
if (pcidev)
pci_dev_put(pcidev);
printk(KERN_INFO DRV_PFX "detected Type%d model\n",
model == SONYPI_DEVICE_TYPE1 ? 1 :
model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
return model;
}
#define ITERATIONS_LONG 10000
#define ITERATIONS_SHORT 10
#define wait_on_command(command, iterations) { \
unsigned int n = iterations; \
while (--n && (command)) \
udelay(1); \
if (!n) \
dprintk("command failed at %s : %s (line %d)\n", \
__FILE__, __FUNCTION__, __LINE__); \
}
static u8 sony_pic_call1(u8 dev)
{
u8 v1, v2;
wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
ITERATIONS_LONG);
outb(dev, spic_dev.cur_ioport->io.minimum + 4);
v1 = inb_p(spic_dev.cur_ioport->io.minimum + 4);
v2 = inb_p(spic_dev.cur_ioport->io.minimum);
dprintk("sony_pic_call1: 0x%.4x\n", (v2 << 8) | v1);
return v2;
}
static u8 sony_pic_call2(u8 dev, u8 fn)
{
u8 v1;
wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
ITERATIONS_LONG);
outb(dev, spic_dev.cur_ioport->io.minimum + 4);
wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
ITERATIONS_LONG);
outb(fn, spic_dev.cur_ioport->io.minimum);
v1 = inb_p(spic_dev.cur_ioport->io.minimum);
dprintk("sony_pic_call2: 0x%.4x\n", v1);
return v1;
}
/*****************
*
* INPUT Device
*
*****************/
struct sony_pic_keypress {
struct input_dev *dev;
int key;
};
/* Correspondance table between sonypi events and input layer events */
static struct {
int sonypiev;
int inputev;
} sony_pic_inputkeys[] = {
{ SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
{ SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
{ SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
{ SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
{ SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
{ SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
{ SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
{ SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
{ SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
{ SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
{ SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
{ SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
{ SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
{ SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
{ SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
{ SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
{ SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
{ SONYPI_EVENT_FNKEY_D, KEY_FN_D },
{ SONYPI_EVENT_FNKEY_E, KEY_FN_E },
{ SONYPI_EVENT_FNKEY_F, KEY_FN_F },
{ SONYPI_EVENT_FNKEY_S, KEY_FN_S },
{ SONYPI_EVENT_FNKEY_B, KEY_FN_B },
{ SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
{ SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
{ SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
{ SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
{ SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
{ SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
{ SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
{ SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
{ SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
{ 0, 0 },
};
/* release buttons after a short delay if pressed */
static void do_sony_pic_release_key(struct work_struct *work)
{
struct sony_pic_keypress kp;
while (kfifo_get(spic_dev.input_fifo, (unsigned char *)&kp,
sizeof(kp)) == sizeof(kp)) {
msleep(10);
input_report_key(kp.dev, kp.key, 0);
input_sync(kp.dev);
}
}
static DECLARE_WORK(sony_pic_release_key_work,
do_sony_pic_release_key);
/* forward event to the input subsytem */
static void sony_pic_report_input_event(u8 event)
{
struct input_dev *jog_dev = spic_dev.input_jog_dev;
struct input_dev *key_dev = spic_dev.input_key_dev;
struct sony_pic_keypress kp = { NULL };
int i;
if (event == SONYPI_EVENT_FNKEY_RELEASED) {
/* Nothing, not all VAIOs generate this event */
return;
}
/* report jog_dev events */
if (jog_dev) {
switch (event) {
case SONYPI_EVENT_JOGDIAL_UP:
case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
input_report_rel(jog_dev, REL_WHEEL, 1);
input_sync(jog_dev);
return;
case SONYPI_EVENT_JOGDIAL_DOWN:
case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
input_report_rel(jog_dev, REL_WHEEL, -1);
input_sync(jog_dev);
return;
default:
break;
}
}
switch (event) {
case SONYPI_EVENT_JOGDIAL_PRESSED:
kp.key = BTN_MIDDLE;
kp.dev = jog_dev;
break;
default:
for (i = 0; sony_pic_inputkeys[i].sonypiev; i++)
if (event == sony_pic_inputkeys[i].sonypiev) {
kp.dev = key_dev;
kp.key = sony_pic_inputkeys[i].inputev;
break;
}
break;
}
if (kp.dev) {
input_report_key(kp.dev, kp.key, 1);
input_sync(kp.dev);
kfifo_put(spic_dev.input_fifo,
(unsigned char *)&kp, sizeof(kp));
if (!work_pending(&sony_pic_release_key_work))
queue_work(spic_dev.sony_pic_wq,
&sony_pic_release_key_work);
}
}
static int sony_pic_setup_input(void)
{
struct input_dev *jog_dev;
struct input_dev *key_dev;
int i;
int error;
u8 jog_present = 0;
/* kfifo */
spin_lock_init(&spic_dev.input_fifo_lock);
spic_dev.input_fifo =
kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
&spic_dev.input_fifo_lock);
if (IS_ERR(spic_dev.input_fifo)) {
printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
return PTR_ERR(spic_dev.input_fifo);
}
/* init workqueue */
spic_dev.sony_pic_wq = create_singlethread_workqueue("sony-pic");
if (!spic_dev.sony_pic_wq) {
printk(KERN_ERR DRV_PFX
"Unabe to create workqueue.\n");
error = -ENXIO;
goto err_free_kfifo;
}
/* input keys */
key_dev = input_allocate_device();
if (!key_dev) {
error = -ENOMEM;
goto err_destroy_wq;
}
key_dev->name = "Sony Vaio Keys";
key_dev->id.bustype = BUS_ISA;
key_dev->id.vendor = PCI_VENDOR_ID_SONY;
/* Initialize the Input Drivers: special keys */
key_dev->evbit[0] = BIT(EV_KEY);
for (i = 0; sony_pic_inputkeys[i].sonypiev; i++)
if (sony_pic_inputkeys[i].inputev)
set_bit(sony_pic_inputkeys[i].inputev, key_dev->keybit);
error = input_register_device(key_dev);
if (error)
goto err_free_keydev;
spic_dev.input_key_dev = key_dev;
/* jogdial - really reliable ? */
ec_read(SONY_EC_JOGB, &jog_present);
if (jog_present & SONY_EC_JOGB_MASK || force_jog) {
jog_dev = input_allocate_device();
if (!jog_dev) {
error = -ENOMEM;
goto err_unregister_keydev;
}
jog_dev->name = "Sony Vaio Jogdial";
jog_dev->id.bustype = BUS_ISA;
jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
jog_dev->relbit[0] = BIT(REL_WHEEL);
error = input_register_device(jog_dev);
if (error)
goto err_free_jogdev;
spic_dev.input_jog_dev = jog_dev;
}
return 0;
err_free_jogdev:
input_free_device(jog_dev);
err_unregister_keydev:
input_unregister_device(key_dev);
/* to avoid kref underflow below at input_free_device */
key_dev = NULL;
err_free_keydev:
input_free_device(key_dev);
err_destroy_wq:
destroy_workqueue(spic_dev.sony_pic_wq);
err_free_kfifo:
kfifo_free(spic_dev.input_fifo);
return error;
}
static void sony_pic_remove_input(void)
{
/* flush workqueue first */
flush_workqueue(spic_dev.sony_pic_wq);
/* destroy input devs */
input_unregister_device(spic_dev.input_key_dev);
spic_dev.input_key_dev = NULL;
if (spic_dev.input_jog_dev) {
input_unregister_device(spic_dev.input_jog_dev);
spic_dev.input_jog_dev = NULL;
}
destroy_workqueue(spic_dev.sony_pic_wq);
kfifo_free(spic_dev.input_fifo);
}
/********************
*
* ACPI callbacks
*
********************/
static acpi_status
sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
{
u32 i;
struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
switch (resource->type) {
case ACPI_RESOURCE_TYPE_START_DEPENDENT:
case ACPI_RESOURCE_TYPE_END_DEPENDENT:
return AE_OK;
case ACPI_RESOURCE_TYPE_IRQ:
{
struct acpi_resource_irq *p = &resource->data.irq;
struct sony_pic_irq *interrupt = NULL;
if (!p || !p->interrupt_count) {
/*
* IRQ descriptors may have no IRQ# bits set,
* particularly those those w/ _STA disabled
*/
dprintk("Blank IRQ resource\n");
return AE_OK;
}
for (i = 0; i < p->interrupt_count; i++) {
if (!p->interrupts[i]) {
printk(KERN_WARNING DRV_PFX
"Invalid IRQ %d\n",
p->interrupts[i]);
continue;
}
interrupt = kzalloc(sizeof(*interrupt),
GFP_KERNEL);
if (!interrupt)
return AE_ERROR;
list_add(&interrupt->list, &dev->interrupts);
interrupt->irq.triggering = p->triggering;
interrupt->irq.polarity = p->polarity;
interrupt->irq.sharable = p->sharable;
interrupt->irq.interrupt_count = 1;
interrupt->irq.interrupts[0] = p->interrupts[i];
}
return AE_OK;
}
case ACPI_RESOURCE_TYPE_IO:
{
struct acpi_resource_io *io = &resource->data.io;
struct sony_pic_ioport *ioport = NULL;
if (!io) {
dprintk("Blank IO resource\n");
return AE_OK;
}
ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
if (!ioport)
return AE_ERROR;
list_add(&ioport->list, &dev->ioports);
memcpy(&ioport->io, io, sizeof(*io));
return AE_OK;
}
default:
dprintk("Resource %d isn't an IRQ nor an IO port\n",
resource->type);
case ACPI_RESOURCE_TYPE_END_TAG:
return AE_OK;
}
return AE_CTRL_TERMINATE;
}
static int sony_pic_possible_resources(struct acpi_device *device)
{
int result = 0;
acpi_status status = AE_OK;
if (!device)
return -EINVAL;
/* get device status */
/* see acpi_pci_link_get_current acpi_pci_link_get_possible */
dprintk("Evaluating _STA\n");
result = acpi_bus_get_status(device);
if (result) {
printk(KERN_WARNING DRV_PFX "Unable to read status\n");
goto end;
}
if (!device->status.enabled)
dprintk("Device disabled\n");
else
dprintk("Device enabled\n");
/*
* Query and parse 'method'
*/
dprintk("Evaluating %s\n", METHOD_NAME__PRS);
status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
sony_pic_read_possible_resource, &spic_dev);
if (ACPI_FAILURE(status)) {
printk(KERN_WARNING DRV_PFX
"Failure evaluating %s\n",
METHOD_NAME__PRS);
result = -ENODEV;
}
end:
return result;
}
/*
* Disable the spic device by calling its _DIS method
*/
static int sony_pic_disable(struct acpi_device *device)
{
if (ACPI_FAILURE(acpi_evaluate_object(device->handle, "_DIS", 0, NULL)))
return -ENXIO;
dprintk("Device disabled\n");
return 0;
}
/*
* Based on drivers/acpi/pci_link.c:acpi_pci_link_set
*
* Call _SRS to set current resources
*/
static int sony_pic_enable(struct acpi_device *device,
struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
{
acpi_status status;
int result = 0;
struct {
struct acpi_resource io_res;
struct acpi_resource irq_res;
struct acpi_resource end;
} *resource;
struct acpi_buffer buffer = { 0, NULL };
if (!ioport || !irq)
return -EINVAL;
/* init acpi_buffer */
resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
if (!resource)
return -ENOMEM;
buffer.length = sizeof(*resource) + 1;
buffer.pointer = resource;
/* setup io resource */
resource->io_res.type = ACPI_RESOURCE_TYPE_IO;
resource->io_res.length = sizeof(struct acpi_resource);
memcpy(&resource->io_res.data.io, &ioport->io,
sizeof(struct acpi_resource_io));
/* setup irq resource */
resource->irq_res.type = ACPI_RESOURCE_TYPE_IRQ;
resource->irq_res.length = sizeof(struct acpi_resource);
memcpy(&resource->irq_res.data.irq, &irq->irq,
sizeof(struct acpi_resource_irq));
/* we requested a shared irq */
resource->irq_res.data.irq.sharable = ACPI_SHARED;
resource->end.type = ACPI_RESOURCE_TYPE_END_TAG;
/* Attempt to set the resource */
dprintk("Evaluating _SRS\n");
status = acpi_set_current_resources(device->handle, &buffer);
/* check for total failure */
if (ACPI_FAILURE(status)) {
printk(KERN_ERR DRV_PFX "Error evaluating _SRS");
result = -ENODEV;
goto end;
}
/* Necessary device initializations calls (from sonypi) */
sony_pic_call1(0x82);
sony_pic_call2(0x81, 0xff);
sony_pic_call1(compat ? 0x92 : 0x82);
end:
kfree(resource);
return result;
}
/*****************
*
* ISR: some event is available
*
*****************/
static irqreturn_t sony_pic_irq(int irq, void *dev_id)
{
int i, j;
u32 port_val = 0;
u8 ev = 0;
u8 data_mask = 0;
u8 device_event = 0;
struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
acpi_os_read_port(dev->cur_ioport->io.minimum, &port_val,
dev->cur_ioport->io.address_length);
ev = port_val & SONY_PIC_EV_MASK;
data_mask = 0xff & (port_val >> (dev->cur_ioport->io.address_length - 8));
dprintk("event (0x%.8x [%.2x] [%.2x]) at port 0x%.4x\n",
port_val, ev, data_mask, dev->cur_ioport->io.minimum);
if (ev == 0x00 || ev == 0xff)
return IRQ_HANDLED;
for (i = 0; sony_pic_eventtypes[i].model; i++) {
if (spic_dev.model != sony_pic_eventtypes[i].model)
continue;
if ((data_mask & sony_pic_eventtypes[i].data) !=
sony_pic_eventtypes[i].data)
continue;
if (!(mask & sony_pic_eventtypes[i].mask))
continue;
for (j = 0; sony_pic_eventtypes[i].events[j].event; j++) {
if (ev == sony_pic_eventtypes[i].events[j].data) {
device_event =
sony_pic_eventtypes[i].events[j].event;
goto found;
}
}
}
return IRQ_HANDLED;
found:
sony_pic_report_input_event(device_event);
acpi_bus_generate_event(spic_dev.acpi_dev, 1, device_event);
return IRQ_HANDLED;
}
/*****************
*
* ACPI driver
*
*****************/
static int sony_pic_remove(struct acpi_device *device, int type)
{
struct sony_pic_ioport *io, *tmp_io;
struct sony_pic_irq *irq, *tmp_irq;
if (sony_pic_disable(device)) {
printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
return -ENXIO;
}
free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
release_region(spic_dev.cur_ioport->io.minimum,
spic_dev.cur_ioport->io.address_length);
sony_pic_remove_input();
list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
list_del(&io->list);
kfree(io);
}
list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
list_del(&irq->list);
kfree(irq);
}
spic_dev.cur_ioport = NULL;
spic_dev.cur_irq = NULL;
dprintk("removed.\n");
return 0;
}
static int sony_pic_add(struct acpi_device *device)
{
int result;
struct sony_pic_ioport *io, *tmp_io;
struct sony_pic_irq *irq, *tmp_irq;
printk(KERN_INFO DRV_PFX
"Sony Programmable I/O Controller Driver v%s.\n",
SONY_LAPTOP_DRIVER_VERSION);
spic_dev.acpi_dev = device;
strcpy(acpi_device_class(device), "sony/hotkey");
spic_dev.model = sony_pic_detect_device_type();
/* read _PRS resources */
result = sony_pic_possible_resources(device);
if (result) {
printk(KERN_ERR DRV_PFX
"Unabe to read possible resources.\n");
goto err_free_resources;
}
/* setup input devices and helper fifo */
result = sony_pic_setup_input();
if (result) {
printk(KERN_ERR DRV_PFX
"Unabe to create input devices.\n");
goto err_free_resources;
}
/* request io port */
list_for_each_entry(io, &spic_dev.ioports, list) {
if (request_region(io->io.minimum, io->io.address_length,
"Sony Programable I/O Device")) {
dprintk("I/O port: 0x%.4x (0x%.4x) + 0x%.2x\n",
io->io.minimum, io->io.maximum,
io->io.address_length);
spic_dev.cur_ioport = io;
break;
}
}
if (!spic_dev.cur_ioport) {
printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
result = -ENODEV;
goto err_remove_input;
}
/* request IRQ */
list_for_each_entry(irq, &spic_dev.interrupts, list) {
if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
IRQF_SHARED, "sony-laptop", &spic_dev)) {
dprintk("IRQ: %d - triggering: %d - "
"polarity: %d - shr: %d\n",
irq->irq.interrupts[0],
irq->irq.triggering,
irq->irq.polarity,
irq->irq.sharable);
spic_dev.cur_irq = irq;
break;
}
}
if (!spic_dev.cur_irq) {
printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
result = -ENODEV;
goto err_release_region;
}
/* set resource status _SRS */
result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
if (result) {
printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
goto err_free_irq;
}
return 0;
err_free_irq:
free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
err_release_region:
release_region(spic_dev.cur_ioport->io.minimum,
spic_dev.cur_ioport->io.address_length);
err_remove_input:
sony_pic_remove_input();
err_free_resources:
list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
list_del(&io->list);
kfree(io);
}
list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
list_del(&irq->list);
kfree(irq);
}
spic_dev.cur_ioport = NULL;
spic_dev.cur_irq = NULL;
return result;
}
static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
{
if (sony_pic_disable(device))
return -ENXIO;
return 0;
}
static int sony_pic_resume(struct acpi_device *device)
{
sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
return 0;
}
static struct acpi_driver sony_pic_driver = {
.name = SONY_PIC_DRIVER_NAME,
.class = SONY_PIC_CLASS,
.ids = SONY_PIC_HID,
.owner = THIS_MODULE,
.ops = {
.add = sony_pic_add,
.remove = sony_pic_remove,
.suspend = sony_pic_suspend,
.resume = sony_pic_resume,
},
};
static struct dmi_system_id __initdata sonypi_dmi_table[] = {
{
.ident = "Sony Vaio",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
},
},
{
.ident = "Sony Vaio",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
},
},
{ }
};
static int __init sony_laptop_init(void)
{
return acpi_bus_register_driver(&sony_nc_driver);
int result;
if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
result = acpi_bus_register_driver(&sony_pic_driver);
if (result) {
printk(KERN_ERR DRV_PFX
"Unable to register SPIC driver.");
goto out;
}
}
result = acpi_bus_register_driver(&sony_nc_driver);
if (result) {
printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
goto out_unregister_pic;
}
return 0;
out_unregister_pic:
if (!no_spic)
acpi_bus_unregister_driver(&sony_pic_driver);
out:
return result;
}
static void __exit sony_laptop_exit(void)
{
acpi_bus_unregister_driver(&sony_nc_driver);
if (!no_spic)
acpi_bus_unregister_driver(&sony_pic_driver);
}
module_init(sony_laptop_init);
......
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