diff options
Diffstat (limited to 'drivers/char/sonypi.c')
| -rw-r--r-- | drivers/char/sonypi.c | 1572 |
1 files changed, 1572 insertions, 0 deletions
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c new file mode 100644 index 0000000..f437443 --- /dev/null +++ b/drivers/char/sonypi.c @@ -0,0 +1,1572 @@ +/* + * Sony Programmable I/O Control Device driver for VAIO + * + * Copyright (C) 2007 Mattia Dongili <malattia@linux.it> + * + * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> + * + * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> + * + * Copyright (C) 2001-2002 Alcôve <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 + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include <linux/module.h> +#include <linux/input.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/miscdevice.h> +#include <linux/poll.h> +#include <linux/delay.h> +#include <linux/wait.h> +#include <linux/acpi.h> +#include <linux/dmi.h> +#include <linux/err.h> +#include <linux/kfifo.h> +#include <linux/platform_device.h> +#include <linux/smp_lock.h> + +#include <asm/uaccess.h> +#include <asm/io.h> +#include <asm/system.h> + +#include <linux/sonypi.h> + +#define SONYPI_DRIVER_VERSION "1.26" + +MODULE_AUTHOR("Stelian Pop <stelian@popies.net>"); +MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(SONYPI_DRIVER_VERSION); + +static int minor = -1; +module_param(minor, int, 0); +MODULE_PARM_DESC(minor, + "minor number of the misc device, default is -1 (automatic)"); + +static int verbose; /* = 0 */ +module_param(verbose, int, 0644); +MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)"); + +static int fnkeyinit; /* = 0 */ +module_param(fnkeyinit, int, 0444); +MODULE_PARM_DESC(fnkeyinit, + "set this if your Fn keys do not generate any event"); + +static int camera; /* = 0 */ +module_param(camera, int, 0444); +MODULE_PARM_DESC(camera, + "set this if you have a MotionEye camera (PictureBook series)"); + +static int compat; /* = 0 */ +module_param(compat, int, 0444); +MODULE_PARM_DESC(compat, + "set this if you want to enable backward compatibility mode"); + +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)"); + +static int useinput = 1; +module_param(useinput, int, 0444); +MODULE_PARM_DESC(useinput, + "set this if you would like sonypi to feed events to the input subsystem"); + +static int check_ioport = 1; +module_param(check_ioport, int, 0444); +MODULE_PARM_DESC(check_ioport, + "set this to 0 if you think the automatic ioport check for sony-laptop is wrong"); + +#define SONYPI_DEVICE_MODEL_TYPE1 1 +#define SONYPI_DEVICE_MODEL_TYPE2 2 +#define SONYPI_DEVICE_MODEL_TYPE3 3 + +/* type1 models use those */ +#define SONYPI_IRQ_PORT 0x8034 +#define SONYPI_IRQ_SHIFT 22 +#define SONYPI_TYPE1_BASE 0x50 +#define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14) +#define SONYPI_TYPE1_REGION_SIZE 0x08 +#define SONYPI_TYPE1_EVTYPE_OFFSET 0x04 + +/* type2 series specifics */ +#define SONYPI_SIRQ 0x9b +#define SONYPI_SLOB 0x9c +#define SONYPI_SHIB 0x9d +#define SONYPI_TYPE2_REGION_SIZE 0x20 +#define SONYPI_TYPE2_EVTYPE_OFFSET 0x12 + +/* type3 series specifics */ +#define SONYPI_TYPE3_BASE 0x40 +#define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */ +#define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */ +#define SONYPI_TYPE3_REGION_SIZE 0x20 +#define SONYPI_TYPE3_EVTYPE_OFFSET 0x12 + +/* battery / brightness addresses */ +#define SONYPI_BAT_FLAGS 0x81 +#define SONYPI_LCD_LIGHT 0x96 +#define SONYPI_BAT1_PCTRM 0xa0 +#define SONYPI_BAT1_LEFT 0xa2 +#define SONYPI_BAT1_MAXRT 0xa4 +#define SONYPI_BAT2_PCTRM 0xa8 +#define SONYPI_BAT2_LEFT 0xaa +#define SONYPI_BAT2_MAXRT 0xac +#define SONYPI_BAT1_MAXTK 0xb0 +#define SONYPI_BAT1_FULL 0xb2 +#define SONYPI_BAT2_MAXTK 0xb8 +#define SONYPI_BAT2_FULL 0xba + +/* FAN0 information (reverse engineered from ACPI tables) */ +#define SONYPI_FAN0_STATUS 0x93 +#define SONYPI_TEMP_STATUS 0xC1 + +/* ioports used for brightness and type2 events */ +#define SONYPI_DATA_IOPORT 0x62 +#define SONYPI_CST_IOPORT 0x66 + +/* The set of possible ioports */ +struct sonypi_ioport_list { + u16 port1; + u16 port2; +}; + +static struct sonypi_ioport_list sonypi_type1_ioport_list[] = { + { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */ + { 0x1080, 0x1084 }, + { 0x1090, 0x1094 }, + { 0x10a0, 0x10a4 }, + { 0x10b0, 0x10b4 }, + { 0x0, 0x0 } +}; + +static struct sonypi_ioport_list sonypi_type2_ioport_list[] = { + { 0x1080, 0x1084 }, + { 0x10a0, 0x10a4 }, + { 0x10c0, 0x10c4 }, + { 0x10e0, 0x10e4 }, + { 0x0, 0x0 } +}; + +/* same as in type 2 models */ +static struct sonypi_ioport_list *sonypi_type3_ioport_list = + sonypi_type2_ioport_list; + +/* The set of possible interrupts */ +struct sonypi_irq_list { + u16 irq; + u16 bits; +}; + +static struct sonypi_irq_list sonypi_type1_irq_list[] = { + { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */ + { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */ + { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */ + { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */ +}; + +static struct sonypi_irq_list sonypi_type2_irq_list[] = { + { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */ + { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */ + { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */ + { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */ + { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */ +}; + +/* same as in type2 models */ +static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list; + +#define SONYPI_CAMERA_BRIGHTNESS 0 +#define SONYPI_CAMERA_CONTRAST 1 +#define SONYPI_CAMERA_HUE 2 +#define SONYPI_CAMERA_COLOR 3 +#define SONYPI_CAMERA_SHARPNESS 4 + +#define SONYPI_CAMERA_PICTURE 5 +#define SONYPI_CAMERA_EXPOSURE_MASK 0xC +#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 +#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 +#define SONYPI_CAMERA_MUTE_MASK 0x40 + +/* the rest don't need a loop until not 0xff */ +#define SONYPI_CAMERA_AGC 6 +#define SONYPI_CAMERA_AGC_MASK 0x30 +#define SONYPI_CAMERA_SHUTTER_MASK 0x7 + +#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 +#define SONYPI_CAMERA_CONTROL 0x10 + +#define SONYPI_CAMERA_STATUS 7 +#define SONYPI_CAMERA_STATUS_READY 0x2 +#define SONYPI_CAMERA_STATUS_POSITION 0x4 + +#define SONYPI_DIRECTION_BACKWARDS 0x4 + +#define SONYPI_CAMERA_REVISION 8 +#define SONYPI_CAMERA_ROMVERSION 9 + +/* 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; +} sonypi_eventtypes[] = { + { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev }, + { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, + { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev }, + { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, + { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, + { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, + { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, + { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, + { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, + { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, + + { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, + { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, + + { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev }, + { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, + { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, + { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, + { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, + { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, + { 0 } +}; + +#define SONYPI_BUF_SIZE 128 + +/* Correspondance table between sonypi events and input layer events */ +static struct { + int sonypiev; + int inputev; +} sonypi_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 }, +}; + +struct sonypi_keypress { + struct input_dev *dev; + int key; +}; + +static struct sonypi_device { + struct pci_dev *dev; + u16 irq; + u16 bits; + u16 ioport1; + u16 ioport2; + u16 region_size; + u16 evtype_offset; + int camera_power; + int bluetooth_power; + struct mutex lock; + struct kfifo *fifo; + spinlock_t fifo_lock; + wait_queue_head_t fifo_proc_list; + struct fasync_struct *fifo_async; + int open_count; + int model; + struct input_dev *input_jog_dev; + struct input_dev *input_key_dev; + struct work_struct input_work; + struct kfifo *input_fifo; + spinlock_t input_fifo_lock; +} sonypi_device; + +#define ITERATIONS_LONG 10000 +#define ITERATIONS_SHORT 10 + +#define wait_on_command(quiet, command, iterations) { \ + unsigned int n = iterations; \ + while (--n && (command)) \ + udelay(1); \ + if (!n && (verbose || !quiet)) \ + printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \ +} + +#ifdef CONFIG_ACPI +#define SONYPI_ACPI_ACTIVE (!acpi_disabled) +#else +#define SONYPI_ACPI_ACTIVE 0 +#endif /* CONFIG_ACPI */ + +#ifdef CONFIG_ACPI +static struct acpi_device *sonypi_acpi_device; +static int acpi_driver_registered; +#endif + +static int sonypi_ec_write(u8 addr, u8 value) +{ +#ifdef CONFIG_ACPI + if (SONYPI_ACPI_ACTIVE) + return ec_write(addr, value); +#endif + wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG); + outb_p(0x81, SONYPI_CST_IOPORT); + wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); + outb_p(addr, SONYPI_DATA_IOPORT); + wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); + outb_p(value, SONYPI_DATA_IOPORT); + wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); + return 0; +} + +static int sonypi_ec_read(u8 addr, u8 *value) +{ +#ifdef CONFIG_ACPI + if (SONYPI_ACPI_ACTIVE) + return ec_read(addr, value); +#endif + wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG); + outb_p(0x80, SONYPI_CST_IOPORT); + wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); + outb_p(addr, SONYPI_DATA_IOPORT); + wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); + *value = inb_p(SONYPI_DATA_IOPORT); + return 0; +} + +static int ec_read16(u8 addr, u16 *value) +{ + u8 val_lb, val_hb; + if (sonypi_ec_read(addr, &val_lb)) + return -1; + if (sonypi_ec_read(addr + 1, &val_hb)) + return -1; + *value = val_lb | (val_hb << 8); + return 0; +} + +/* Initializes the device - this comes from the AML code in the ACPI bios */ +static void sonypi_type1_srs(void) +{ + u32 v; + + pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); + v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1); + pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); + + pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); + v = (v & 0xFFF0FFFF) | + (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16); + pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); + + v = inl(SONYPI_IRQ_PORT); + v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT); + v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT); + outl(v, SONYPI_IRQ_PORT); + + pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); + v = (v & 0xFF1FFFFF) | 0x00C00000; + pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); +} + +static void sonypi_type2_srs(void) +{ + if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8)) + printk(KERN_WARNING "ec_write failed\n"); + if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF)) + printk(KERN_WARNING "ec_write failed\n"); + if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits)) + printk(KERN_WARNING "ec_write failed\n"); + udelay(10); +} + +static void sonypi_type3_srs(void) +{ + u16 v16; + u8 v8; + + /* This model type uses the same initialiazation of + * the embedded controller as the type2 models. */ + sonypi_type2_srs(); + + /* Initialization of PCI config space of the LPC interface bridge. */ + v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01; + pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16); + pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8); + v8 = (v8 & 0xCF) | 0x10; + pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8); +} + +/* Disables the device - this comes from the AML code in the ACPI bios */ +static void sonypi_type1_dis(void) +{ + u32 v; + + pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); + v = v & 0xFF3FFFFF; + pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); + + v = inl(SONYPI_IRQ_PORT); + v |= (0x3 << SONYPI_IRQ_SHIFT); + outl(v, SONYPI_IRQ_PORT); +} + +static void sonypi_type2_dis(void) +{ + if (sonypi_ec_write(SONYPI_SHIB, 0)) + printk(KERN_WARNING "ec_write failed\n"); + if (sonypi_ec_write(SONYPI_SLOB, 0)) + printk(KERN_WARNING "ec_write failed\n"); + if (sonypi_ec_write(SONYPI_SIRQ, 0)) + printk(KERN_WARNING "ec_write failed\n"); +} + +static void sonypi_type3_dis(void) +{ + sonypi_type2_dis(); + udelay(10); + pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0); +} + +static u8 sonypi_call1(u8 dev) +{ + u8 v1, v2; + + wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); + outb(dev, sonypi_device.ioport2); + v1 = inb_p(sonypi_device.ioport2); + v2 = inb_p(sonypi_device.ioport1); + return v2; +} + +static u8 sonypi_call2(u8 dev, u8 fn) +{ + u8 v1; + + wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); + outb(dev, sonypi_device.ioport2); + wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); + outb(fn, sonypi_device.ioport1); + v1 = inb_p(sonypi_device.ioport1); + return v1; +} + +static u8 sonypi_call3(u8 dev, u8 fn, u8 v) +{ + u8 v1; + + wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); + outb(dev, sonypi_device.ioport2); + wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); + outb(fn, sonypi_device.ioport1); + wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); + outb(v, sonypi_device.ioport1); + v1 = inb_p(sonypi_device.ioport1); + return v1; +} + +#if 0 +/* Get brightness, hue etc. Unreliable... */ +static u8 sonypi_read(u8 fn) +{ + u8 v1, v2; + int n = 100; + + while (n--) { + v1 = sonypi_call2(0x8f, fn); + v2 = sonypi_call2(0x8f, fn); + if (v1 == v2 && v1 != 0xff) + return v1; + } + return 0xff; +} +#endif + +/* Set brightness, hue etc */ +static void sonypi_set(u8 fn, u8 v) +{ + wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT); +} + +/* Tests if the camera is ready */ +static int sonypi_camera_ready(void) +{ + u8 v; + + v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS); + return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); +} + +/* Turns the camera off */ +static void sonypi_camera_off(void) +{ + sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK); + + if (!sonypi_device.camera_power) + return; + + sonypi_call2(0x91, 0); + sonypi_device.camera_power = 0; +} + +/* Turns the camera on */ +static void sonypi_camera_on(void) +{ + int i, j; + + if (sonypi_device.camera_power) + return; + + for (j = 5; j > 0; j--) { + + while (sonypi_call2(0x91, 0x1)) + msleep(10); + sonypi_call1(0x93); + + for (i = 400; i > 0; i--) { + if (sonypi_camera_ready()) + break; + msleep(10); + } + if (i) + break; + } + + if (j == 0) { + printk(KERN_WARNING "sonypi: failed to power on camera\n"); + return; + } + + sonypi_set(0x10, 0x5a); + sonypi_device.camera_power = 1; +} + +/* sets the bluetooth subsystem power state */ +static void sonypi_setbluetoothpower(u8 state) +{ + state = !!state; + + if (sonypi_device.bluetooth_power == state) + return; + + sonypi_call2(0x96, state); + sonypi_call1(0x82); + sonypi_device.bluetooth_power = state; +} + +static void input_keyrelease(struct work_struct *work) +{ + struct sonypi_keypress kp; + + while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp, + sizeof(kp)) == sizeof(kp)) { + msleep(10); + input_report_key(kp.dev, kp.key, 0); + input_sync(kp.dev); + } +} + +static void sonypi_report_input_event(u8 event) +{ + struct input_dev *jog_dev = sonypi_device.input_jog_dev; + struct input_dev *key_dev = sonypi_device.input_key_dev; + struct sonypi_keypress kp = { NULL }; + int i; + + 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); + break; + + case SONYPI_EVENT_JOGDIAL_DOWN: + case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: + input_report_rel(jog_dev, REL_WHEEL, -1); + input_sync(jog_dev); + break; + + case SONYPI_EVENT_JOGDIAL_PRESSED: + kp.key = BTN_MIDDLE; + kp.dev = jog_dev; + break; + + case SONYPI_EVENT_FNKEY_RELEASED: + /* Nothing, not all VAIOs generate this event */ + break; + + default: + for (i = 0; sonypi_inputkeys[i].sonypiev; i++) + if (event == sonypi_inputkeys[i].sonypiev) { + kp.dev = key_dev; + kp.key = sonypi_inputkeys[i].inputev; + break; + } + break; + } + + if (kp.dev) { + input_report_key(kp.dev, kp.key, 1); + input_sync(kp.dev); + kfifo_put(sonypi_device.input_fifo, + (unsigned char *)&kp, sizeof(kp)); + schedule_work(&sonypi_device.input_work); + } +} + +/* Interrupt handler: some event is available */ +static irqreturn_t sonypi_irq(int irq, void *dev_id) +{ + u8 v1, v2, event = 0; + int i, j; + + v1 = inb_p(sonypi_device.ioport1); + v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset); + + for (i = 0; sonypi_eventtypes[i].model; i++) { + if (sonypi_device.model != sonypi_eventtypes[i].model) + continue; + if ((v2 & sonypi_eventtypes[i].data) != + sonypi_eventtypes[i].data) + continue; + if (!(mask & sonypi_eventtypes[i].mask)) + continue; + for (j = 0; sonypi_eventtypes[i].events[j].event; j++) { + if (v1 == sonypi_eventtypes[i].events[j].data) { + event = sonypi_eventtypes[i].events[j].event; + goto found; + } + } + } + + if (verbose) + printk(KERN_WARNING + "sonypi: unknown event port1=0x%02x,port2=0x%02x\n", + v1, v2); + /* We need to return IRQ_HANDLED here because there *are* + * events belonging to the sonypi device we don't know about, + * but we still don't want those to pollute the logs... */ + return IRQ_HANDLED; + +found: + if (verbose > 1) + printk(KERN_INFO + "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2); + + if (useinput) + sonypi_report_input_event(event); + +#ifdef CONFIG_ACPI + if (sonypi_acpi_device) + acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event); +#endif + + kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event)); + kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN); + wake_up_interruptible(&sonypi_device.fifo_proc_list); + + return IRQ_HANDLED; +} + +static int sonypi_misc_fasync(int fd, struct file *filp, int on) +{ + int retval; + + retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async); + if (retval < 0) + return retval; + return 0; +} + +static int sonypi_misc_release(struct inode *inode, struct file *file) +{ + mutex_lock(&sonypi_device.lock); + sonypi_device.open_count--; + mutex_unlock(&sonypi_device.lock); + return 0; +} + +static int sonypi_misc_open(struct inode *inode, struct file *file) +{ + lock_kernel(); + mutex_lock(&sonypi_device.lock); + /* Flush input queue on first open */ + if (!sonypi_device.open_count) + kfifo_reset(sonypi_device.fifo); + sonypi_device.open_count++; + mutex_unlock(&sonypi_device.lock); + unlock_kernel(); + return 0; +} + +static ssize_t sonypi_misc_read(struct file *file, char __user *buf, + size_t count, loff_t *pos) +{ + ssize_t ret; + unsigned char c; + + if ((kfifo_len(sonypi_device.fifo) == 0) && + (file->f_flags & O_NONBLOCK)) + return -EAGAIN; + + ret = wait_event_interruptible(sonypi_device.fifo_proc_list, + kfifo_len(sonypi_device.fifo) != 0); + if (ret) + return ret; + + while (ret < count && + (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) { + if (put_user(c, buf++)) + return -EFAULT; + ret++; + } + + if (ret > 0) { + struct inode *inode = file->f_path.dentry->d_inode; + inode->i_atime = current_fs_time(inode->i_sb); + } + + return ret; +} + +static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) +{ + poll_wait(file, &sonypi_device.fifo_proc_list, wait); + if (kfifo_len(sonypi_device.fifo)) + return POLLIN | POLLRDNORM; + return 0; +} + +static int sonypi_misc_ioctl(struct inode *ip, struct file *fp, + unsigned int cmd, unsigned long arg) +{ + int ret = 0; + void __user *argp = (void __user *)arg; + u8 val8; + u16 val16; + + mutex_lock(&sonypi_device.lock); + switch (cmd) { + case SONYPI_IOCGBRT: + if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) { + ret = -EIO; + break; + } + if (copy_to_user(argp, &val8, sizeof(val8))) + ret = -EFAULT; + break; + case SONYPI_IOCSBRT: + if (copy_from_user(&val8, argp, sizeof(val8))) { + ret = -EFAULT; + break; + } + if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8)) + ret = -EIO; + break; + case SONYPI_IOCGBAT1CAP: + if (ec_read16(SONYPI_BAT1_FULL, &val16)) { + ret = -EIO; + break; + } + if (copy_to_user(argp, &val16, sizeof(val16))) + ret = -EFAULT; + break; + case SONYPI_IOCGBAT1REM: + if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { + ret = -EIO; + break; + } + if (copy_to_user(argp, &val16, sizeof(val16))) + ret = -EFAULT; + break; + case SONYPI_IOCGBAT2CAP: + if (ec_read16(SONYPI_BAT2_FULL, &val16)) { + ret = -EIO; + break; + } + if (copy_to_user(argp, &val16, sizeof(val16))) + ret = -EFAULT; + break; + case SONYPI_IOCGBAT2REM: + if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { + ret = -EIO; + break; + } + if (copy_to_user(argp, &val16, sizeof(val16))) + ret = -EFAULT; + break; + case SONYPI_IOCGBATFLAGS: + if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) { + ret = -EIO; + break; + } + val8 &= 0x07; + if (copy_to_user(argp, &val8, sizeof(val8))) + ret = -EFAULT; + break; + case SONYPI_IOCGBLUE: + val8 = sonypi_device.bluetooth_power; + if (copy_to_user(argp, &val8, sizeof(val8))) + ret = -EFAULT; + break; + case SONYPI_IOCSBLUE: + if (copy_from_user(&val8, argp, sizeof(val8))) { + ret = -EFAULT; + break; + } + sonypi_setbluetoothpower(val8); + break; + /* FAN Controls */ + case SONYPI_IOCGFAN: + if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) { + ret = -EIO; + break; + } + if (copy_to_user(argp, &val8, sizeof(val8))) + ret = -EFAULT; + break; + case SONYPI_IOCSFAN: + if (copy_from_user(&val8, argp, sizeof(val8))) { + ret = -EFAULT; + break; + } + if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8)) + ret = -EIO; + break; + /* GET Temperature (useful under APM) */ + case SONYPI_IOCGTEMP: + if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) { + ret = -EIO; + break; + } + if (copy_to_user(argp, &val8, sizeof(val8))) + ret = -EFAULT; + break; + default: + ret = -EINVAL; + } + mutex_unlock(&sonypi_device.lock); + return ret; +} + +static const struct file_operations sonypi_misc_fops = { + .owner = THIS_MODULE, + .read = sonypi_misc_read, + .poll = sonypi_misc_poll, + .open = sonypi_misc_open, + .release = sonypi_misc_release, + .fasync = sonypi_misc_fasync, + .ioctl = sonypi_misc_ioctl, +}; + +static struct miscdevice sonypi_misc_device = { + .minor = MISC_DYNAMIC_MINOR, + .name = "sonypi", + .fops = &sonypi_misc_fops, +}; + +static void sonypi_enable(unsigned int camera_on) +{ + switch (sonypi_device.model) { + case SONYPI_DEVICE_MODEL_TYPE1: + sonypi_type1_srs(); + break; + case SONYPI_DEVICE_MODEL_TYPE2: + sonypi_type2_srs(); + break; + case SONYPI_DEVICE_MODEL_TYPE3: + sonypi_type3_srs(); + break; + } + + sonypi_call1(0x82); + sonypi_call2(0x81, 0xff); + sonypi_call1(compat ? 0x92 : 0x82); + + /* Enable ACPI mode to get Fn key events */ + if (!SONYPI_ACPI_ACTIVE && fnkeyinit) + outb(0xf0, 0xb2); + + if (camera && camera_on) + sonypi_camera_on(); +} + +static int sonypi_disable(void) +{ + sonypi_call2(0x81, 0); /* make sure we don't get any more events */ + if (camera) + sonypi_camera_off(); + + /* disable ACPI mode */ + if (!SONYPI_ACPI_ACTIVE && fnkeyinit) + outb(0xf1, 0xb2); + + switch (sonypi_device.model) { + case SONYPI_DEVICE_MODEL_TYPE1: + sonypi_type1_dis(); + break; + case SONYPI_DEVICE_MODEL_TYPE2: + sonypi_type2_dis(); + break; + case SONYPI_DEVICE_MODEL_TYPE3: + sonypi_type3_dis(); + break; + } + + return 0; +} + +#ifdef CONFIG_ACPI +static int sonypi_acpi_add(struct acpi_device *device) +{ + sonypi_acpi_device = device; + strcpy(acpi_device_name(device), "Sony laptop hotkeys"); + strcpy(acpi_device_class(device), "sony/hotkey"); + return 0; +} + +static int sonypi_acpi_remove(struct acpi_device *device, int type) +{ + sonypi_acpi_device = NULL; + return 0; +} + +static const struct acpi_device_id sonypi_device_ids[] = { + {"SNY6001", 0}, + {"", 0}, +}; + +static struct acpi_driver sonypi_acpi_driver = { + .name = "sonypi", + .class = "hkey", + .ids = sonypi_device_ids, + .ops = { + .add = sonypi_acpi_add, + .remove = sonypi_acpi_remove, + }, +}; +#endif + +static int __devinit sonypi_create_input_devices(struct platform_device *pdev) +{ + struct input_dev *jog_dev; + struct input_dev *key_dev; + int i; + int error; + + sonypi_device.input_jog_dev = jog_dev = input_allocate_device(); + if (!jog_dev) + return -ENOMEM; + + jog_dev->name = "Sony Vaio Jogdial"; + jog_dev->id.bustype = BUS_ISA; + jog_dev->id.vendor = PCI_VENDOR_ID_SONY; + jog_dev->dev.parent = &pdev->dev; + + jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); + jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE); + jog_dev->relbit[0] = BIT_MASK(REL_WHEEL); + + sonypi_device.input_key_dev = key_dev = input_allocate_device(); + if (!key_dev) { + error = -ENOMEM; + goto err_free_jogdev; + } + + key_dev->name = "Sony Vaio Keys"; + key_dev->id.bustype = BUS_ISA; + key_dev->id.vendor = PCI_VENDOR_ID_SONY; + key_dev->dev.parent = &pdev->dev; + + /* Initialize the Input Drivers: special keys */ + key_dev->evbit[0] = BIT_MASK(EV_KEY); + for (i = 0; sonypi_inputkeys[i].sonypiev; i++) + if (sonypi_inputkeys[i].inputev) + set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit); + + error = input_register_device(jog_dev); + if (error) + goto err_free_keydev; + + error = input_register_device(key_dev); + if (error) + goto err_unregister_jogdev; + + return 0; + + err_unregister_jogdev: + input_unregister_device(jog_dev); + /* Set to NULL so we don't free it again below */ + jog_dev = NULL; + err_free_keydev: + input_free_device(key_dev); + sonypi_device.input_key_dev = NULL; + err_free_jogdev: + input_free_device(jog_dev); + sonypi_device.input_jog_dev = NULL; + + return error; +} + +static int __devinit sonypi_setup_ioports(struct sonypi_device *dev, + const struct sonypi_ioport_list *ioport_list) +{ + /* try to detect if sony-laptop is being used and thus + * has already requested one of the known ioports. + * As in the deprecated check_region this is racy has we have + * multiple ioports available and one of them can be requested + * between this check and the subsequent request. Anyway, as an + * attempt to be some more user-friendly as we currently are, + * this is enough. + */ + const struct sonypi_ioport_list *check = ioport_list; + while (check_ioport && check->port1) { + if (!request_region(check->port1, + sonypi_device.region_size, + "Sony Programable I/O Device Check")) { + printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? " + "if not use check_ioport=0\n", + check->port1); + return -EBUSY; + } + release_region(check->port1, sonypi_device.region_size); + check++; + } + + while (ioport_list->port1) { + + if (request_region(ioport_list->port1, + sonypi_device.region_size, + "Sony Programable I/O Device")) { + dev->ioport1 = ioport_list->port1; + dev->ioport2 = ioport_list->port2; + return 0; + } + ioport_list++; + } + + return -EBUSY; +} + +static int __devinit sonypi_setup_irq(struct sonypi_device *dev, + const struct sonypi_irq_list *irq_list) +{ + while (irq_list->irq) { + + if (!request_irq(irq_list->irq, sonypi_irq, + IRQF_SHARED, "sonypi", sonypi_irq)) { + dev->irq = irq_list->irq; + dev->bits = irq_list->bits; + return 0; + } + irq_list++; + } + + return -EBUSY; +} + +static void __devinit sonypi_display_info(void) +{ + printk(KERN_INFO "sonypi: detected type%d model, " + "verbose = %d, fnkeyinit = %s, camera = %s, " + "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n", + sonypi_device.model, + verbose, + fnkeyinit ? "on" : "off", + camera ? "on" : "off", + compat ? "on" : "off", + mask, + useinput ? "on" : "off", + SONYPI_ACPI_ACTIVE ? "on" : "off"); + printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n", + sonypi_device.irq, + sonypi_device.ioport1, sonypi_device.ioport2); + + if (minor == -1) + printk(KERN_INFO "sonypi: device allocated minor is %d\n", + sonypi_misc_device.minor); +} + +static int __devinit sonypi_probe(struct platform_device *dev) +{ + const struct sonypi_ioport_list *ioport_list; + const struct sonypi_irq_list *irq_list; + struct pci_dev *pcidev; + int error; + + printk(KERN_WARNING "sonypi: please try the sony-laptop module instead " + "and report failures, see also " + "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n"); + + spin_lock_init(&sonypi_device.fifo_lock); + sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL, + &sonypi_device.fifo_lock); + if (IS_ERR(sonypi_device.fifo)) { + printk(KERN_ERR "sonypi: kfifo_alloc failed\n"); + return PTR_ERR(sonypi_device.fifo); + } + + init_waitqueue_head(&sonypi_device.fifo_proc_list); + mutex_init(&sonypi_device.lock); + sonypi_device.bluetooth_power = -1; + + if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_82371AB_3, NULL))) + sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1; + else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_ICH6_1, NULL))) + sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; + else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_ICH7_1, NULL))) + sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; + else + sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2; + + if (pcidev && pci_enable_device(pcidev)) { + printk(KERN_ERR "sonypi: pci_enable_device failed\n"); + error = -EIO; + goto err_put_pcidev; + } + + sonypi_device.dev = pcidev; + + if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) { + ioport_list = sonypi_type1_ioport_list; + sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE; + sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET; + irq_list = sonypi_type1_irq_list; + } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) { + ioport_list = sonypi_type2_ioport_list; + sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE; + sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET; + irq_list = sonypi_type2_irq_list; + } else { + ioport_list = sonypi_type3_ioport_list; + sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE; + sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET; + irq_list = sonypi_type3_irq_list; + } + + error = sonypi_setup_ioports(&sonypi_device, ioport_list); + if (error) { + printk(KERN_ERR "sonypi: failed to request ioports\n"); + goto err_disable_pcidev; + } + + error = sonypi_setup_irq(&sonypi_device, irq_list); + if (error) { + printk(KERN_ERR "sonypi: request_irq failed\n"); + goto err_free_ioports; + } + + if (minor != -1) + sonypi_misc_device.minor = minor; + error = misc_register(&sonypi_misc_device); + if (error) { + printk(KERN_ERR "sonypi: misc_register failed\n"); + goto err_free_irq; + } + + sonypi_display_info(); + + if (useinput) { + + error = sonypi_create_input_devices(dev); + if (error) { + printk(KERN_ERR + "sonypi: failed to create input devices\n"); + goto err_miscdev_unregister; + } + + spin_lock_init(&sonypi_device.input_fifo_lock); + sonypi_device.input_fifo = + kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL, + &sonypi_device.input_fifo_lock); + if (IS_ERR(sonypi_device.input_fifo)) { + printk(KERN_ERR "sonypi: kfifo_alloc failed\n"); + error = PTR_ERR(sonypi_device.input_fifo); + goto err_inpdev_unregister; + } + + INIT_WORK(&sonypi_device.input_work, input_keyrelease); + } + + sonypi_enable(0); + + return 0; + + err_inpdev_unregister: + input_unregister_device(sonypi_device.input_key_dev); + input_unregister_device(sonypi_device.input_jog_dev); + err_miscdev_unregister: + misc_deregister(&sonypi_misc_device); + err_free_irq: + free_irq(sonypi_device.irq, sonypi_irq); + err_free_ioports: + release_region(sonypi_device.ioport1, sonypi_device.region_size); + err_disable_pcidev: + if (pcidev) + pci_disable_device(pcidev); + err_put_pcidev: + pci_dev_put(pcidev); + kfifo_free(sonypi_device.fifo); + + return error; +} + +static int __devexit sonypi_remove(struct platform_device *dev) +{ + sonypi_disable(); + + synchronize_irq(sonypi_device.irq); + flush_scheduled_work(); + + if (useinput) { + input_unregister_device(sonypi_device.input_key_dev); + input_unregister_device(sonypi_device.input_jog_dev); + kfifo_free(sonypi_device.input_fifo); + } + + misc_deregister(&sonypi_misc_device); + + free_irq(sonypi_device.irq, sonypi_irq); + release_region(sonypi_device.ioport1, sonypi_device.region_size); + + if (sonypi_device.dev) { + pci_disable_device(sonypi_device.dev); + pci_dev_put(sonypi_device.dev); + } + + kfifo_free(sonypi_device.fifo); + + return 0; +} + +#ifdef CONFIG_PM +static int old_camera_power; + +static int sonypi_suspend(struct platform_device *dev, pm_message_t state) +{ + old_camera_power = sonypi_device.camera_power; + sonypi_disable(); + + return 0; +} + +static int sonypi_resume(struct platform_device *dev) +{ + sonypi_enable(old_camera_power); + return 0; +} +#else +#define sonypi_suspend NULL +#define sonypi_resume NULL +#endif + +static void sonypi_shutdown(struct platform_device *dev) +{ + sonypi_disable(); +} + +static struct platform_driver sonypi_driver = { + .driver = { + .name = "sonypi", + .owner = THIS_MODULE, + }, + .probe = sonypi_probe, + .remove = __devexit_p(sonypi_remove), + .shutdown = sonypi_shutdown, + .suspend = sonypi_suspend, + .resume = sonypi_resume, +}; + +static struct platform_device *sonypi_platform_device; + +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 sonypi_init(void) +{ + int error; + + printk(KERN_INFO + "sonypi: Sony Programmable I/O Controller Driver v%s.\n", + SONYPI_DRIVER_VERSION); + + if (!dmi_check_system(sonypi_dmi_table)) + return -ENODEV; + + error = platform_driver_register(&sonypi_driver); + if (error) + return error; + + sonypi_platform_device = platform_device_alloc("sonypi", -1); + if (!sonypi_platform_device) { + error = -ENOMEM; + goto err_driver_unregister; + } + + error = platform_device_add(sonypi_platform_device); + if (error) + goto err_free_device; + +#ifdef CONFIG_ACPI + if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0) + acpi_driver_registered = 1; +#endif + + return 0; + + err_free_device: + platform_device_put(sonypi_platform_device); + err_driver_unregister: + platform_driver_unregister(&sonypi_driver); + return error; +} + +static void __exit sonypi_exit(void) +{ +#ifdef CONFIG_ACPI + if (acpi_driver_registered) + acpi_bus_unregister_driver(&sonypi_acpi_driver); +#endif + platform_device_unregister(sonypi_platform_device); + platform_driver_unregister(&sonypi_driver); + printk(KERN_INFO "sonypi: removed.\n"); +} + +module_init(sonypi_init); +module_exit(sonypi_exit); |
