xref: /openbmc/linux/drivers/char/sonypi.c (revision 7ae9fb1b7ecbb5d85d07857943f677fd1a559b18)
1  // SPDX-License-Identifier: GPL-2.0-or-later
2  /*
3   * Sony Programmable I/O Control Device driver for VAIO
4   *
5   * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
6   *
7   * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
8   *
9   * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
10   *
11   * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
12   *
13   * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
14   *
15   * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
16   *
17   * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
18   *
19   * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
20   *
21   * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
22   */
23  
24  #include <linux/module.h>
25  #include <linux/sched.h>
26  #include <linux/input.h>
27  #include <linux/pci.h>
28  #include <linux/init.h>
29  #include <linux/interrupt.h>
30  #include <linux/miscdevice.h>
31  #include <linux/poll.h>
32  #include <linux/delay.h>
33  #include <linux/wait.h>
34  #include <linux/acpi.h>
35  #include <linux/dmi.h>
36  #include <linux/err.h>
37  #include <linux/kfifo.h>
38  #include <linux/platform_device.h>
39  #include <linux/gfp.h>
40  
41  #include <linux/uaccess.h>
42  #include <asm/io.h>
43  
44  #include <linux/sonypi.h>
45  
46  #define SONYPI_DRIVER_VERSION	 "1.26"
47  
48  MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
49  MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
50  MODULE_LICENSE("GPL");
51  MODULE_VERSION(SONYPI_DRIVER_VERSION);
52  
53  static int minor = -1;
54  module_param(minor, int, 0);
55  MODULE_PARM_DESC(minor,
56  		 "minor number of the misc device, default is -1 (automatic)");
57  
58  static int verbose;		/* = 0 */
59  module_param(verbose, int, 0644);
60  MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
61  
62  static int fnkeyinit;		/* = 0 */
63  module_param(fnkeyinit, int, 0444);
64  MODULE_PARM_DESC(fnkeyinit,
65  		 "set this if your Fn keys do not generate any event");
66  
67  static int camera;		/* = 0 */
68  module_param(camera, int, 0444);
69  MODULE_PARM_DESC(camera,
70  		 "set this if you have a MotionEye camera (PictureBook series)");
71  
72  static int compat;		/* = 0 */
73  module_param(compat, int, 0444);
74  MODULE_PARM_DESC(compat,
75  		 "set this if you want to enable backward compatibility mode");
76  
77  static unsigned long mask = 0xffffffff;
78  module_param(mask, ulong, 0644);
79  MODULE_PARM_DESC(mask,
80  		 "set this to the mask of event you want to enable (see doc)");
81  
82  static int useinput = 1;
83  module_param(useinput, int, 0444);
84  MODULE_PARM_DESC(useinput,
85  		 "set this if you would like sonypi to feed events to the input subsystem");
86  
87  static int check_ioport = 1;
88  module_param(check_ioport, int, 0444);
89  MODULE_PARM_DESC(check_ioport,
90  		 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
91  
92  #define SONYPI_DEVICE_MODEL_TYPE1	1
93  #define SONYPI_DEVICE_MODEL_TYPE2	2
94  #define SONYPI_DEVICE_MODEL_TYPE3	3
95  
96  /* type1 models use those */
97  #define SONYPI_IRQ_PORT			0x8034
98  #define SONYPI_IRQ_SHIFT		22
99  #define SONYPI_TYPE1_BASE		0x50
100  #define SONYPI_G10A			(SONYPI_TYPE1_BASE+0x14)
101  #define SONYPI_TYPE1_REGION_SIZE	0x08
102  #define SONYPI_TYPE1_EVTYPE_OFFSET	0x04
103  
104  /* type2 series specifics */
105  #define SONYPI_SIRQ			0x9b
106  #define SONYPI_SLOB			0x9c
107  #define SONYPI_SHIB			0x9d
108  #define SONYPI_TYPE2_REGION_SIZE	0x20
109  #define SONYPI_TYPE2_EVTYPE_OFFSET	0x12
110  
111  /* type3 series specifics */
112  #define SONYPI_TYPE3_BASE		0x40
113  #define SONYPI_TYPE3_GID2		(SONYPI_TYPE3_BASE+0x48) /* 16 bits */
114  #define SONYPI_TYPE3_MISC		(SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
115  #define SONYPI_TYPE3_REGION_SIZE	0x20
116  #define SONYPI_TYPE3_EVTYPE_OFFSET	0x12
117  
118  /* battery / brightness addresses */
119  #define SONYPI_BAT_FLAGS	0x81
120  #define SONYPI_LCD_LIGHT	0x96
121  #define SONYPI_BAT1_PCTRM	0xa0
122  #define SONYPI_BAT1_LEFT	0xa2
123  #define SONYPI_BAT1_MAXRT	0xa4
124  #define SONYPI_BAT2_PCTRM	0xa8
125  #define SONYPI_BAT2_LEFT	0xaa
126  #define SONYPI_BAT2_MAXRT	0xac
127  #define SONYPI_BAT1_MAXTK	0xb0
128  #define SONYPI_BAT1_FULL	0xb2
129  #define SONYPI_BAT2_MAXTK	0xb8
130  #define SONYPI_BAT2_FULL	0xba
131  
132  /* FAN0 information (reverse engineered from ACPI tables) */
133  #define SONYPI_FAN0_STATUS	0x93
134  #define SONYPI_TEMP_STATUS	0xC1
135  
136  /* ioports used for brightness and type2 events */
137  #define SONYPI_DATA_IOPORT	0x62
138  #define SONYPI_CST_IOPORT	0x66
139  
140  /* The set of possible ioports */
141  struct sonypi_ioport_list {
142  	u16	port1;
143  	u16	port2;
144  };
145  
146  static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
147  	{ 0x10c0, 0x10c4 },	/* looks like the default on C1Vx */
148  	{ 0x1080, 0x1084 },
149  	{ 0x1090, 0x1094 },
150  	{ 0x10a0, 0x10a4 },
151  	{ 0x10b0, 0x10b4 },
152  	{ 0x0, 0x0 }
153  };
154  
155  static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
156  	{ 0x1080, 0x1084 },
157  	{ 0x10a0, 0x10a4 },
158  	{ 0x10c0, 0x10c4 },
159  	{ 0x10e0, 0x10e4 },
160  	{ 0x0, 0x0 }
161  };
162  
163  /* same as in type 2 models */
164  static struct sonypi_ioport_list *sonypi_type3_ioport_list =
165  	sonypi_type2_ioport_list;
166  
167  /* The set of possible interrupts */
168  struct sonypi_irq_list {
169  	u16	irq;
170  	u16	bits;
171  };
172  
173  static struct sonypi_irq_list sonypi_type1_irq_list[] = {
174  	{ 11, 0x2 },	/* IRQ 11, GO22=0,GO23=1 in AML */
175  	{ 10, 0x1 },	/* IRQ 10, GO22=1,GO23=0 in AML */
176  	{  5, 0x0 },	/* IRQ  5, GO22=0,GO23=0 in AML */
177  	{  0, 0x3 }	/* no IRQ, GO22=1,GO23=1 in AML */
178  };
179  
180  static struct sonypi_irq_list sonypi_type2_irq_list[] = {
181  	{ 11, 0x80 },	/* IRQ 11, 0x80 in SIRQ in AML */
182  	{ 10, 0x40 },	/* IRQ 10, 0x40 in SIRQ in AML */
183  	{  9, 0x20 },	/* IRQ  9, 0x20 in SIRQ in AML */
184  	{  6, 0x10 },	/* IRQ  6, 0x10 in SIRQ in AML */
185  	{  0, 0x00 }	/* no IRQ, 0x00 in SIRQ in AML */
186  };
187  
188  /* same as in type2 models */
189  static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
190  
191  #define SONYPI_CAMERA_BRIGHTNESS		0
192  #define SONYPI_CAMERA_CONTRAST			1
193  #define SONYPI_CAMERA_HUE			2
194  #define SONYPI_CAMERA_COLOR			3
195  #define SONYPI_CAMERA_SHARPNESS			4
196  
197  #define SONYPI_CAMERA_PICTURE			5
198  #define SONYPI_CAMERA_EXPOSURE_MASK		0xC
199  #define SONYPI_CAMERA_WHITE_BALANCE_MASK	0x3
200  #define SONYPI_CAMERA_PICTURE_MODE_MASK		0x30
201  #define SONYPI_CAMERA_MUTE_MASK			0x40
202  
203  /* the rest don't need a loop until not 0xff */
204  #define SONYPI_CAMERA_AGC			6
205  #define SONYPI_CAMERA_AGC_MASK			0x30
206  #define SONYPI_CAMERA_SHUTTER_MASK 		0x7
207  
208  #define SONYPI_CAMERA_SHUTDOWN_REQUEST		7
209  #define SONYPI_CAMERA_CONTROL			0x10
210  
211  #define SONYPI_CAMERA_STATUS 			7
212  #define SONYPI_CAMERA_STATUS_READY 		0x2
213  #define SONYPI_CAMERA_STATUS_POSITION		0x4
214  
215  #define SONYPI_DIRECTION_BACKWARDS 		0x4
216  
217  #define SONYPI_CAMERA_REVISION 			8
218  #define SONYPI_CAMERA_ROMVERSION 		9
219  
220  /* Event masks */
221  #define SONYPI_JOGGER_MASK			0x00000001
222  #define SONYPI_CAPTURE_MASK			0x00000002
223  #define SONYPI_FNKEY_MASK			0x00000004
224  #define SONYPI_BLUETOOTH_MASK			0x00000008
225  #define SONYPI_PKEY_MASK			0x00000010
226  #define SONYPI_BACK_MASK			0x00000020
227  #define SONYPI_HELP_MASK			0x00000040
228  #define SONYPI_LID_MASK				0x00000080
229  #define SONYPI_ZOOM_MASK			0x00000100
230  #define SONYPI_THUMBPHRASE_MASK			0x00000200
231  #define SONYPI_MEYE_MASK			0x00000400
232  #define SONYPI_MEMORYSTICK_MASK			0x00000800
233  #define SONYPI_BATTERY_MASK			0x00001000
234  #define SONYPI_WIRELESS_MASK			0x00002000
235  
236  struct sonypi_event {
237  	u8	data;
238  	u8	event;
239  };
240  
241  /* The set of possible button release events */
242  static struct sonypi_event sonypi_releaseev[] = {
243  	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
244  	{ 0, 0 }
245  };
246  
247  /* The set of possible jogger events  */
248  static struct sonypi_event sonypi_joggerev[] = {
249  	{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
250  	{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
251  	{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
252  	{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
253  	{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
254  	{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
255  	{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
256  	{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
257  	{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
258  	{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
259  	{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
260  	{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
261  	{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
262  	{ 0, 0 }
263  };
264  
265  /* The set of possible capture button events */
266  static struct sonypi_event sonypi_captureev[] = {
267  	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
268  	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
269  	{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
270  	{ 0, 0 }
271  };
272  
273  /* The set of possible fnkeys events */
274  static struct sonypi_event sonypi_fnkeyev[] = {
275  	{ 0x10, SONYPI_EVENT_FNKEY_ESC },
276  	{ 0x11, SONYPI_EVENT_FNKEY_F1 },
277  	{ 0x12, SONYPI_EVENT_FNKEY_F2 },
278  	{ 0x13, SONYPI_EVENT_FNKEY_F3 },
279  	{ 0x14, SONYPI_EVENT_FNKEY_F4 },
280  	{ 0x15, SONYPI_EVENT_FNKEY_F5 },
281  	{ 0x16, SONYPI_EVENT_FNKEY_F6 },
282  	{ 0x17, SONYPI_EVENT_FNKEY_F7 },
283  	{ 0x18, SONYPI_EVENT_FNKEY_F8 },
284  	{ 0x19, SONYPI_EVENT_FNKEY_F9 },
285  	{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
286  	{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
287  	{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
288  	{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
289  	{ 0x21, SONYPI_EVENT_FNKEY_1 },
290  	{ 0x22, SONYPI_EVENT_FNKEY_2 },
291  	{ 0x31, SONYPI_EVENT_FNKEY_D },
292  	{ 0x32, SONYPI_EVENT_FNKEY_E },
293  	{ 0x33, SONYPI_EVENT_FNKEY_F },
294  	{ 0x34, SONYPI_EVENT_FNKEY_S },
295  	{ 0x35, SONYPI_EVENT_FNKEY_B },
296  	{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
297  	{ 0, 0 }
298  };
299  
300  /* The set of possible program key events */
301  static struct sonypi_event sonypi_pkeyev[] = {
302  	{ 0x01, SONYPI_EVENT_PKEY_P1 },
303  	{ 0x02, SONYPI_EVENT_PKEY_P2 },
304  	{ 0x04, SONYPI_EVENT_PKEY_P3 },
305  	{ 0x5c, SONYPI_EVENT_PKEY_P1 },
306  	{ 0, 0 }
307  };
308  
309  /* The set of possible bluetooth events */
310  static struct sonypi_event sonypi_blueev[] = {
311  	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
312  	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
313  	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
314  	{ 0, 0 }
315  };
316  
317  /* The set of possible wireless events */
318  static struct sonypi_event sonypi_wlessev[] = {
319  	{ 0x59, SONYPI_EVENT_WIRELESS_ON },
320  	{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
321  	{ 0, 0 }
322  };
323  
324  /* The set of possible back button events */
325  static struct sonypi_event sonypi_backev[] = {
326  	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
327  	{ 0, 0 }
328  };
329  
330  /* The set of possible help button events */
331  static struct sonypi_event sonypi_helpev[] = {
332  	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
333  	{ 0, 0 }
334  };
335  
336  
337  /* The set of possible lid events */
338  static struct sonypi_event sonypi_lidev[] = {
339  	{ 0x51, SONYPI_EVENT_LID_CLOSED },
340  	{ 0x50, SONYPI_EVENT_LID_OPENED },
341  	{ 0, 0 }
342  };
343  
344  /* The set of possible zoom events */
345  static struct sonypi_event sonypi_zoomev[] = {
346  	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
347  	{ 0, 0 }
348  };
349  
350  /* The set of possible thumbphrase events */
351  static struct sonypi_event sonypi_thumbphraseev[] = {
352  	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
353  	{ 0, 0 }
354  };
355  
356  /* The set of possible motioneye camera events */
357  static struct sonypi_event sonypi_meyeev[] = {
358  	{ 0x00, SONYPI_EVENT_MEYE_FACE },
359  	{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
360  	{ 0, 0 }
361  };
362  
363  /* The set of possible memorystick events */
364  static struct sonypi_event sonypi_memorystickev[] = {
365  	{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
366  	{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
367  	{ 0, 0 }
368  };
369  
370  /* The set of possible battery events */
371  static struct sonypi_event sonypi_batteryev[] = {
372  	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
373  	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
374  	{ 0, 0 }
375  };
376  
377  static struct sonypi_eventtypes {
378  	int			model;
379  	u8			data;
380  	unsigned long		mask;
381  	struct sonypi_event *	events;
382  } sonypi_eventtypes[] = {
383  	{ SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
384  	{ SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
385  	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
386  	{ SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
387  	{ SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
388  	{ SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
389  	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
390  	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
391  	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
392  	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
393  
394  	{ SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
395  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
396  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
397  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
398  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
399  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
400  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
401  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
402  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
403  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
404  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
405  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
406  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
407  	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
408  
409  	{ SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
410  	{ SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
411  	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
412  	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
413  	{ SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
414  	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
415  	{ 0 }
416  };
417  
418  #define SONYPI_BUF_SIZE	128
419  
420  /* Correspondance table between sonypi events and input layer events */
421  static struct {
422  	int sonypiev;
423  	int inputev;
424  } sonypi_inputkeys[] = {
425  	{ SONYPI_EVENT_CAPTURE_PRESSED,	 	KEY_CAMERA },
426  	{ SONYPI_EVENT_FNKEY_ONLY, 		KEY_FN },
427  	{ SONYPI_EVENT_FNKEY_ESC, 		KEY_FN_ESC },
428  	{ SONYPI_EVENT_FNKEY_F1, 		KEY_FN_F1 },
429  	{ SONYPI_EVENT_FNKEY_F2, 		KEY_FN_F2 },
430  	{ SONYPI_EVENT_FNKEY_F3, 		KEY_FN_F3 },
431  	{ SONYPI_EVENT_FNKEY_F4, 		KEY_FN_F4 },
432  	{ SONYPI_EVENT_FNKEY_F5, 		KEY_FN_F5 },
433  	{ SONYPI_EVENT_FNKEY_F6, 		KEY_FN_F6 },
434  	{ SONYPI_EVENT_FNKEY_F7, 		KEY_FN_F7 },
435  	{ SONYPI_EVENT_FNKEY_F8, 		KEY_FN_F8 },
436  	{ SONYPI_EVENT_FNKEY_F9,		KEY_FN_F9 },
437  	{ SONYPI_EVENT_FNKEY_F10,		KEY_FN_F10 },
438  	{ SONYPI_EVENT_FNKEY_F11, 		KEY_FN_F11 },
439  	{ SONYPI_EVENT_FNKEY_F12,		KEY_FN_F12 },
440  	{ SONYPI_EVENT_FNKEY_1, 		KEY_FN_1 },
441  	{ SONYPI_EVENT_FNKEY_2, 		KEY_FN_2 },
442  	{ SONYPI_EVENT_FNKEY_D,			KEY_FN_D },
443  	{ SONYPI_EVENT_FNKEY_E,			KEY_FN_E },
444  	{ SONYPI_EVENT_FNKEY_F,			KEY_FN_F },
445  	{ SONYPI_EVENT_FNKEY_S,			KEY_FN_S },
446  	{ SONYPI_EVENT_FNKEY_B,			KEY_FN_B },
447  	{ SONYPI_EVENT_BLUETOOTH_PRESSED, 	KEY_BLUE },
448  	{ SONYPI_EVENT_BLUETOOTH_ON, 		KEY_BLUE },
449  	{ SONYPI_EVENT_PKEY_P1, 		KEY_PROG1 },
450  	{ SONYPI_EVENT_PKEY_P2, 		KEY_PROG2 },
451  	{ SONYPI_EVENT_PKEY_P3, 		KEY_PROG3 },
452  	{ SONYPI_EVENT_BACK_PRESSED, 		KEY_BACK },
453  	{ SONYPI_EVENT_HELP_PRESSED, 		KEY_HELP },
454  	{ SONYPI_EVENT_ZOOM_PRESSED, 		KEY_ZOOM },
455  	{ SONYPI_EVENT_THUMBPHRASE_PRESSED, 	BTN_THUMB },
456  	{ 0, 0 },
457  };
458  
459  struct sonypi_keypress {
460  	struct input_dev *dev;
461  	int key;
462  };
463  
464  static struct sonypi_device {
465  	struct pci_dev *dev;
466  	u16 irq;
467  	u16 bits;
468  	u16 ioport1;
469  	u16 ioport2;
470  	u16 region_size;
471  	u16 evtype_offset;
472  	int camera_power;
473  	int bluetooth_power;
474  	struct mutex lock;
475  	struct kfifo fifo;
476  	spinlock_t fifo_lock;
477  	wait_queue_head_t fifo_proc_list;
478  	struct fasync_struct *fifo_async;
479  	int open_count;
480  	int model;
481  	struct input_dev *input_jog_dev;
482  	struct input_dev *input_key_dev;
483  	struct work_struct input_work;
484  	struct kfifo input_fifo;
485  	spinlock_t input_fifo_lock;
486  } sonypi_device;
487  
488  #define ITERATIONS_LONG		10000
489  #define ITERATIONS_SHORT	10
490  
491  #define wait_on_command(quiet, command, iterations) { \
492  	unsigned int n = iterations; \
493  	while (--n && (command)) \
494  		udelay(1); \
495  	if (!n && (verbose || !quiet)) \
496  		printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
497  }
498  
499  #ifdef CONFIG_ACPI
500  #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
501  #else
502  #define SONYPI_ACPI_ACTIVE 0
503  #endif				/* CONFIG_ACPI */
504  
505  #ifdef CONFIG_ACPI
506  static struct acpi_device *sonypi_acpi_device;
507  static int acpi_driver_registered;
508  #endif
509  
sonypi_ec_write(u8 addr,u8 value)510  static int sonypi_ec_write(u8 addr, u8 value)
511  {
512  #ifdef CONFIG_ACPI
513  	if (SONYPI_ACPI_ACTIVE)
514  		return ec_write(addr, value);
515  #endif
516  	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
517  	outb_p(0x81, SONYPI_CST_IOPORT);
518  	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
519  	outb_p(addr, SONYPI_DATA_IOPORT);
520  	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
521  	outb_p(value, SONYPI_DATA_IOPORT);
522  	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
523  	return 0;
524  }
525  
sonypi_ec_read(u8 addr,u8 * value)526  static int sonypi_ec_read(u8 addr, u8 *value)
527  {
528  #ifdef CONFIG_ACPI
529  	if (SONYPI_ACPI_ACTIVE)
530  		return ec_read(addr, value);
531  #endif
532  	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
533  	outb_p(0x80, SONYPI_CST_IOPORT);
534  	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
535  	outb_p(addr, SONYPI_DATA_IOPORT);
536  	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
537  	*value = inb_p(SONYPI_DATA_IOPORT);
538  	return 0;
539  }
540  
ec_read16(u8 addr,u16 * value)541  static int ec_read16(u8 addr, u16 *value)
542  {
543  	u8 val_lb, val_hb;
544  	if (sonypi_ec_read(addr, &val_lb))
545  		return -1;
546  	if (sonypi_ec_read(addr + 1, &val_hb))
547  		return -1;
548  	*value = val_lb | (val_hb << 8);
549  	return 0;
550  }
551  
552  /* Initializes the device - this comes from the AML code in the ACPI bios */
sonypi_type1_srs(void)553  static void sonypi_type1_srs(void)
554  {
555  	u32 v;
556  
557  	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
558  	v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
559  	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
560  
561  	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
562  	v = (v & 0xFFF0FFFF) |
563  	    (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
564  	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
565  
566  	v = inl(SONYPI_IRQ_PORT);
567  	v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
568  	v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
569  	outl(v, SONYPI_IRQ_PORT);
570  
571  	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
572  	v = (v & 0xFF1FFFFF) | 0x00C00000;
573  	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
574  }
575  
sonypi_type2_srs(void)576  static void sonypi_type2_srs(void)
577  {
578  	if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
579  		printk(KERN_WARNING "ec_write failed\n");
580  	if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
581  		printk(KERN_WARNING "ec_write failed\n");
582  	if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
583  		printk(KERN_WARNING "ec_write failed\n");
584  	udelay(10);
585  }
586  
sonypi_type3_srs(void)587  static void sonypi_type3_srs(void)
588  {
589  	u16 v16;
590  	u8  v8;
591  
592  	/* This model type uses the same initialization of
593  	 * the embedded controller as the type2 models. */
594  	sonypi_type2_srs();
595  
596  	/* Initialization of PCI config space of the LPC interface bridge. */
597  	v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
598  	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
599  	pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
600  	v8 = (v8 & 0xCF) | 0x10;
601  	pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
602  }
603  
604  /* Disables the device - this comes from the AML code in the ACPI bios */
sonypi_type1_dis(void)605  static void sonypi_type1_dis(void)
606  {
607  	u32 v;
608  
609  	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
610  	v = v & 0xFF3FFFFF;
611  	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
612  
613  	v = inl(SONYPI_IRQ_PORT);
614  	v |= (0x3 << SONYPI_IRQ_SHIFT);
615  	outl(v, SONYPI_IRQ_PORT);
616  }
617  
sonypi_type2_dis(void)618  static void sonypi_type2_dis(void)
619  {
620  	if (sonypi_ec_write(SONYPI_SHIB, 0))
621  		printk(KERN_WARNING "ec_write failed\n");
622  	if (sonypi_ec_write(SONYPI_SLOB, 0))
623  		printk(KERN_WARNING "ec_write failed\n");
624  	if (sonypi_ec_write(SONYPI_SIRQ, 0))
625  		printk(KERN_WARNING "ec_write failed\n");
626  }
627  
sonypi_type3_dis(void)628  static void sonypi_type3_dis(void)
629  {
630  	sonypi_type2_dis();
631  	udelay(10);
632  	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
633  }
634  
sonypi_call1(u8 dev)635  static u8 sonypi_call1(u8 dev)
636  {
637  	u8 v1, v2;
638  
639  	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
640  	outb(dev, sonypi_device.ioport2);
641  	v1 = inb_p(sonypi_device.ioport2);
642  	v2 = inb_p(sonypi_device.ioport1);
643  	return v2;
644  }
645  
sonypi_call2(u8 dev,u8 fn)646  static u8 sonypi_call2(u8 dev, u8 fn)
647  {
648  	u8 v1;
649  
650  	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
651  	outb(dev, sonypi_device.ioport2);
652  	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
653  	outb(fn, sonypi_device.ioport1);
654  	v1 = inb_p(sonypi_device.ioport1);
655  	return v1;
656  }
657  
sonypi_call3(u8 dev,u8 fn,u8 v)658  static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
659  {
660  	u8 v1;
661  
662  	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
663  	outb(dev, sonypi_device.ioport2);
664  	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
665  	outb(fn, sonypi_device.ioport1);
666  	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
667  	outb(v, sonypi_device.ioport1);
668  	v1 = inb_p(sonypi_device.ioport1);
669  	return v1;
670  }
671  
672  #if 0
673  /* Get brightness, hue etc. Unreliable... */
674  static u8 sonypi_read(u8 fn)
675  {
676  	u8 v1, v2;
677  	int n = 100;
678  
679  	while (n--) {
680  		v1 = sonypi_call2(0x8f, fn);
681  		v2 = sonypi_call2(0x8f, fn);
682  		if (v1 == v2 && v1 != 0xff)
683  			return v1;
684  	}
685  	return 0xff;
686  }
687  #endif
688  
689  /* Set brightness, hue etc */
sonypi_set(u8 fn,u8 v)690  static void sonypi_set(u8 fn, u8 v)
691  {
692  	wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
693  }
694  
695  /* Tests if the camera is ready */
sonypi_camera_ready(void)696  static int sonypi_camera_ready(void)
697  {
698  	u8 v;
699  
700  	v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
701  	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
702  }
703  
704  /* Turns the camera off */
sonypi_camera_off(void)705  static void sonypi_camera_off(void)
706  {
707  	sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
708  
709  	if (!sonypi_device.camera_power)
710  		return;
711  
712  	sonypi_call2(0x91, 0);
713  	sonypi_device.camera_power = 0;
714  }
715  
716  /* Turns the camera on */
sonypi_camera_on(void)717  static void sonypi_camera_on(void)
718  {
719  	int i, j;
720  
721  	if (sonypi_device.camera_power)
722  		return;
723  
724  	for (j = 5; j > 0; j--) {
725  
726  		while (sonypi_call2(0x91, 0x1))
727  			msleep(10);
728  		sonypi_call1(0x93);
729  
730  		for (i = 400; i > 0; i--) {
731  			if (sonypi_camera_ready())
732  				break;
733  			msleep(10);
734  		}
735  		if (i)
736  			break;
737  	}
738  
739  	if (j == 0) {
740  		printk(KERN_WARNING "sonypi: failed to power on camera\n");
741  		return;
742  	}
743  
744  	sonypi_set(0x10, 0x5a);
745  	sonypi_device.camera_power = 1;
746  }
747  
748  /* sets the bluetooth subsystem power state */
sonypi_setbluetoothpower(u8 state)749  static void sonypi_setbluetoothpower(u8 state)
750  {
751  	state = !!state;
752  
753  	if (sonypi_device.bluetooth_power == state)
754  		return;
755  
756  	sonypi_call2(0x96, state);
757  	sonypi_call1(0x82);
758  	sonypi_device.bluetooth_power = state;
759  }
760  
input_keyrelease(struct work_struct * work)761  static void input_keyrelease(struct work_struct *work)
762  {
763  	struct sonypi_keypress kp;
764  
765  	while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
766  			 sizeof(kp), &sonypi_device.input_fifo_lock)
767  			== sizeof(kp)) {
768  		msleep(10);
769  		input_report_key(kp.dev, kp.key, 0);
770  		input_sync(kp.dev);
771  	}
772  }
773  
sonypi_report_input_event(u8 event)774  static void sonypi_report_input_event(u8 event)
775  {
776  	struct input_dev *jog_dev = sonypi_device.input_jog_dev;
777  	struct input_dev *key_dev = sonypi_device.input_key_dev;
778  	struct sonypi_keypress kp = { NULL };
779  	int i;
780  
781  	switch (event) {
782  	case SONYPI_EVENT_JOGDIAL_UP:
783  	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
784  		input_report_rel(jog_dev, REL_WHEEL, 1);
785  		input_sync(jog_dev);
786  		break;
787  
788  	case SONYPI_EVENT_JOGDIAL_DOWN:
789  	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
790  		input_report_rel(jog_dev, REL_WHEEL, -1);
791  		input_sync(jog_dev);
792  		break;
793  
794  	case SONYPI_EVENT_JOGDIAL_PRESSED:
795  		kp.key = BTN_MIDDLE;
796  		kp.dev = jog_dev;
797  		break;
798  
799  	case SONYPI_EVENT_FNKEY_RELEASED:
800  		/* Nothing, not all VAIOs generate this event */
801  		break;
802  
803  	default:
804  		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
805  			if (event == sonypi_inputkeys[i].sonypiev) {
806  				kp.dev = key_dev;
807  				kp.key = sonypi_inputkeys[i].inputev;
808  				break;
809  			}
810  		break;
811  	}
812  
813  	if (kp.dev) {
814  		input_report_key(kp.dev, kp.key, 1);
815  		input_sync(kp.dev);
816  		kfifo_in_locked(&sonypi_device.input_fifo,
817  			(unsigned char *)&kp, sizeof(kp),
818  			&sonypi_device.input_fifo_lock);
819  		schedule_work(&sonypi_device.input_work);
820  	}
821  }
822  
823  /* Interrupt handler: some event is available */
sonypi_irq(int irq,void * dev_id)824  static irqreturn_t sonypi_irq(int irq, void *dev_id)
825  {
826  	u8 v1, v2, event = 0;
827  	int i, j;
828  
829  	v1 = inb_p(sonypi_device.ioport1);
830  	v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
831  
832  	for (i = 0; sonypi_eventtypes[i].model; i++) {
833  		if (sonypi_device.model != sonypi_eventtypes[i].model)
834  			continue;
835  		if ((v2 & sonypi_eventtypes[i].data) !=
836  		    sonypi_eventtypes[i].data)
837  			continue;
838  		if (!(mask & sonypi_eventtypes[i].mask))
839  			continue;
840  		for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
841  			if (v1 == sonypi_eventtypes[i].events[j].data) {
842  				event = sonypi_eventtypes[i].events[j].event;
843  				goto found;
844  			}
845  		}
846  	}
847  
848  	if (verbose)
849  		printk(KERN_WARNING
850  		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
851  		       v1, v2);
852  	/* We need to return IRQ_HANDLED here because there *are*
853  	 * events belonging to the sonypi device we don't know about,
854  	 * but we still don't want those to pollute the logs... */
855  	return IRQ_HANDLED;
856  
857  found:
858  	if (verbose > 1)
859  		printk(KERN_INFO
860  		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
861  
862  	if (useinput)
863  		sonypi_report_input_event(event);
864  
865  	kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
866  			sizeof(event), &sonypi_device.fifo_lock);
867  	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
868  	wake_up_interruptible(&sonypi_device.fifo_proc_list);
869  
870  	return IRQ_HANDLED;
871  }
872  
sonypi_misc_fasync(int fd,struct file * filp,int on)873  static int sonypi_misc_fasync(int fd, struct file *filp, int on)
874  {
875  	return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
876  }
877  
sonypi_misc_release(struct inode * inode,struct file * file)878  static int sonypi_misc_release(struct inode *inode, struct file *file)
879  {
880  	mutex_lock(&sonypi_device.lock);
881  	sonypi_device.open_count--;
882  	mutex_unlock(&sonypi_device.lock);
883  	return 0;
884  }
885  
sonypi_misc_open(struct inode * inode,struct file * file)886  static int sonypi_misc_open(struct inode *inode, struct file *file)
887  {
888  	mutex_lock(&sonypi_device.lock);
889  	/* Flush input queue on first open */
890  	if (!sonypi_device.open_count)
891  		kfifo_reset(&sonypi_device.fifo);
892  	sonypi_device.open_count++;
893  	mutex_unlock(&sonypi_device.lock);
894  
895  	return 0;
896  }
897  
sonypi_misc_read(struct file * file,char __user * buf,size_t count,loff_t * pos)898  static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
899  				size_t count, loff_t *pos)
900  {
901  	ssize_t ret;
902  	unsigned char c;
903  
904  	if ((kfifo_len(&sonypi_device.fifo) == 0) &&
905  	    (file->f_flags & O_NONBLOCK))
906  		return -EAGAIN;
907  
908  	ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
909  				       kfifo_len(&sonypi_device.fifo) != 0);
910  	if (ret)
911  		return ret;
912  
913  	while (ret < count &&
914  	       (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
915  				 &sonypi_device.fifo_lock) == sizeof(c))) {
916  		if (put_user(c, buf++))
917  			return -EFAULT;
918  		ret++;
919  	}
920  
921  	if (ret > 0) {
922  		struct inode *inode = file_inode(file);
923  		inode->i_atime = current_time(inode);
924  	}
925  
926  	return ret;
927  }
928  
sonypi_misc_poll(struct file * file,poll_table * wait)929  static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait)
930  {
931  	poll_wait(file, &sonypi_device.fifo_proc_list, wait);
932  	if (kfifo_len(&sonypi_device.fifo))
933  		return EPOLLIN | EPOLLRDNORM;
934  	return 0;
935  }
936  
sonypi_misc_ioctl(struct file * fp,unsigned int cmd,unsigned long arg)937  static long sonypi_misc_ioctl(struct file *fp,
938  			     unsigned int cmd, unsigned long arg)
939  {
940  	long ret = 0;
941  	void __user *argp = (void __user *)arg;
942  	u8 val8;
943  	u16 val16;
944  
945  	mutex_lock(&sonypi_device.lock);
946  	switch (cmd) {
947  	case SONYPI_IOCGBRT:
948  		if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
949  			ret = -EIO;
950  			break;
951  		}
952  		if (copy_to_user(argp, &val8, sizeof(val8)))
953  			ret = -EFAULT;
954  		break;
955  	case SONYPI_IOCSBRT:
956  		if (copy_from_user(&val8, argp, sizeof(val8))) {
957  			ret = -EFAULT;
958  			break;
959  		}
960  		if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
961  			ret = -EIO;
962  		break;
963  	case SONYPI_IOCGBAT1CAP:
964  		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
965  			ret = -EIO;
966  			break;
967  		}
968  		if (copy_to_user(argp, &val16, sizeof(val16)))
969  			ret = -EFAULT;
970  		break;
971  	case SONYPI_IOCGBAT1REM:
972  		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
973  			ret = -EIO;
974  			break;
975  		}
976  		if (copy_to_user(argp, &val16, sizeof(val16)))
977  			ret = -EFAULT;
978  		break;
979  	case SONYPI_IOCGBAT2CAP:
980  		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
981  			ret = -EIO;
982  			break;
983  		}
984  		if (copy_to_user(argp, &val16, sizeof(val16)))
985  			ret = -EFAULT;
986  		break;
987  	case SONYPI_IOCGBAT2REM:
988  		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
989  			ret = -EIO;
990  			break;
991  		}
992  		if (copy_to_user(argp, &val16, sizeof(val16)))
993  			ret = -EFAULT;
994  		break;
995  	case SONYPI_IOCGBATFLAGS:
996  		if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
997  			ret = -EIO;
998  			break;
999  		}
1000  		val8 &= 0x07;
1001  		if (copy_to_user(argp, &val8, sizeof(val8)))
1002  			ret = -EFAULT;
1003  		break;
1004  	case SONYPI_IOCGBLUE:
1005  		val8 = sonypi_device.bluetooth_power;
1006  		if (copy_to_user(argp, &val8, sizeof(val8)))
1007  			ret = -EFAULT;
1008  		break;
1009  	case SONYPI_IOCSBLUE:
1010  		if (copy_from_user(&val8, argp, sizeof(val8))) {
1011  			ret = -EFAULT;
1012  			break;
1013  		}
1014  		sonypi_setbluetoothpower(val8);
1015  		break;
1016  	/* FAN Controls */
1017  	case SONYPI_IOCGFAN:
1018  		if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1019  			ret = -EIO;
1020  			break;
1021  		}
1022  		if (copy_to_user(argp, &val8, sizeof(val8)))
1023  			ret = -EFAULT;
1024  		break;
1025  	case SONYPI_IOCSFAN:
1026  		if (copy_from_user(&val8, argp, sizeof(val8))) {
1027  			ret = -EFAULT;
1028  			break;
1029  		}
1030  		if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1031  			ret = -EIO;
1032  		break;
1033  	/* GET Temperature (useful under APM) */
1034  	case SONYPI_IOCGTEMP:
1035  		if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1036  			ret = -EIO;
1037  			break;
1038  		}
1039  		if (copy_to_user(argp, &val8, sizeof(val8)))
1040  			ret = -EFAULT;
1041  		break;
1042  	default:
1043  		ret = -EINVAL;
1044  	}
1045  	mutex_unlock(&sonypi_device.lock);
1046  	return ret;
1047  }
1048  
1049  static const struct file_operations sonypi_misc_fops = {
1050  	.owner		= THIS_MODULE,
1051  	.read		= sonypi_misc_read,
1052  	.poll		= sonypi_misc_poll,
1053  	.open		= sonypi_misc_open,
1054  	.release	= sonypi_misc_release,
1055  	.fasync		= sonypi_misc_fasync,
1056  	.unlocked_ioctl	= sonypi_misc_ioctl,
1057  	.llseek		= no_llseek,
1058  };
1059  
1060  static struct miscdevice sonypi_misc_device = {
1061  	.minor		= MISC_DYNAMIC_MINOR,
1062  	.name		= "sonypi",
1063  	.fops		= &sonypi_misc_fops,
1064  };
1065  
sonypi_enable(unsigned int camera_on)1066  static void sonypi_enable(unsigned int camera_on)
1067  {
1068  	switch (sonypi_device.model) {
1069  	case SONYPI_DEVICE_MODEL_TYPE1:
1070  		sonypi_type1_srs();
1071  		break;
1072  	case SONYPI_DEVICE_MODEL_TYPE2:
1073  		sonypi_type2_srs();
1074  		break;
1075  	case SONYPI_DEVICE_MODEL_TYPE3:
1076  		sonypi_type3_srs();
1077  		break;
1078  	}
1079  
1080  	sonypi_call1(0x82);
1081  	sonypi_call2(0x81, 0xff);
1082  	sonypi_call1(compat ? 0x92 : 0x82);
1083  
1084  	/* Enable ACPI mode to get Fn key events */
1085  	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1086  		outb(0xf0, 0xb2);
1087  
1088  	if (camera && camera_on)
1089  		sonypi_camera_on();
1090  }
1091  
sonypi_disable(void)1092  static int sonypi_disable(void)
1093  {
1094  	sonypi_call2(0x81, 0);	/* make sure we don't get any more events */
1095  	if (camera)
1096  		sonypi_camera_off();
1097  
1098  	/* disable ACPI mode */
1099  	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1100  		outb(0xf1, 0xb2);
1101  
1102  	switch (sonypi_device.model) {
1103  	case SONYPI_DEVICE_MODEL_TYPE1:
1104  		sonypi_type1_dis();
1105  		break;
1106  	case SONYPI_DEVICE_MODEL_TYPE2:
1107  		sonypi_type2_dis();
1108  		break;
1109  	case SONYPI_DEVICE_MODEL_TYPE3:
1110  		sonypi_type3_dis();
1111  		break;
1112  	}
1113  
1114  	return 0;
1115  }
1116  
1117  #ifdef CONFIG_ACPI
sonypi_acpi_add(struct acpi_device * device)1118  static int sonypi_acpi_add(struct acpi_device *device)
1119  {
1120  	sonypi_acpi_device = device;
1121  	strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1122  	strcpy(acpi_device_class(device), "sony/hotkey");
1123  	return 0;
1124  }
1125  
sonypi_acpi_remove(struct acpi_device * device)1126  static void sonypi_acpi_remove(struct acpi_device *device)
1127  {
1128  	sonypi_acpi_device = NULL;
1129  }
1130  
1131  static const struct acpi_device_id sonypi_device_ids[] = {
1132  	{"SNY6001", 0},
1133  	{"", 0},
1134  };
1135  
1136  static struct acpi_driver sonypi_acpi_driver = {
1137  	.name           = "sonypi",
1138  	.class          = "hkey",
1139  	.ids            = sonypi_device_ids,
1140  	.ops            = {
1141  		           .add = sonypi_acpi_add,
1142  			   .remove = sonypi_acpi_remove,
1143  	},
1144  };
1145  #endif
1146  
sonypi_create_input_devices(struct platform_device * pdev)1147  static int sonypi_create_input_devices(struct platform_device *pdev)
1148  {
1149  	struct input_dev *jog_dev;
1150  	struct input_dev *key_dev;
1151  	int i;
1152  	int error;
1153  
1154  	sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1155  	if (!jog_dev)
1156  		return -ENOMEM;
1157  
1158  	jog_dev->name = "Sony Vaio Jogdial";
1159  	jog_dev->id.bustype = BUS_ISA;
1160  	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1161  	jog_dev->dev.parent = &pdev->dev;
1162  
1163  	jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1164  	jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1165  	jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1166  
1167  	sonypi_device.input_key_dev = key_dev = input_allocate_device();
1168  	if (!key_dev) {
1169  		error = -ENOMEM;
1170  		goto err_free_jogdev;
1171  	}
1172  
1173  	key_dev->name = "Sony Vaio Keys";
1174  	key_dev->id.bustype = BUS_ISA;
1175  	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1176  	key_dev->dev.parent = &pdev->dev;
1177  
1178  	/* Initialize the Input Drivers: special keys */
1179  	key_dev->evbit[0] = BIT_MASK(EV_KEY);
1180  	for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1181  		if (sonypi_inputkeys[i].inputev)
1182  			set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1183  
1184  	error = input_register_device(jog_dev);
1185  	if (error)
1186  		goto err_free_keydev;
1187  
1188  	error = input_register_device(key_dev);
1189  	if (error)
1190  		goto err_unregister_jogdev;
1191  
1192  	return 0;
1193  
1194   err_unregister_jogdev:
1195  	input_unregister_device(jog_dev);
1196  	/* Set to NULL so we don't free it again below */
1197  	jog_dev = NULL;
1198   err_free_keydev:
1199  	input_free_device(key_dev);
1200  	sonypi_device.input_key_dev = NULL;
1201   err_free_jogdev:
1202  	input_free_device(jog_dev);
1203  	sonypi_device.input_jog_dev = NULL;
1204  
1205  	return error;
1206  }
1207  
sonypi_setup_ioports(struct sonypi_device * dev,const struct sonypi_ioport_list * ioport_list)1208  static int sonypi_setup_ioports(struct sonypi_device *dev,
1209  				const struct sonypi_ioport_list *ioport_list)
1210  {
1211  	/* try to detect if sony-laptop is being used and thus
1212  	 * has already requested one of the known ioports.
1213  	 * As in the deprecated check_region this is racy has we have
1214  	 * multiple ioports available and one of them can be requested
1215  	 * between this check and the subsequent request. Anyway, as an
1216  	 * attempt to be some more user-friendly as we currently are,
1217  	 * this is enough.
1218  	 */
1219  	const struct sonypi_ioport_list *check = ioport_list;
1220  	while (check_ioport && check->port1) {
1221  		if (!request_region(check->port1,
1222  				   sonypi_device.region_size,
1223  				   "Sony Programmable I/O Device Check")) {
1224  			printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1225  					"if not use check_ioport=0\n",
1226  					check->port1);
1227  			return -EBUSY;
1228  		}
1229  		release_region(check->port1, sonypi_device.region_size);
1230  		check++;
1231  	}
1232  
1233  	while (ioport_list->port1) {
1234  
1235  		if (request_region(ioport_list->port1,
1236  				   sonypi_device.region_size,
1237  				   "Sony Programmable I/O Device")) {
1238  			dev->ioport1 = ioport_list->port1;
1239  			dev->ioport2 = ioport_list->port2;
1240  			return 0;
1241  		}
1242  		ioport_list++;
1243  	}
1244  
1245  	return -EBUSY;
1246  }
1247  
sonypi_setup_irq(struct sonypi_device * dev,const struct sonypi_irq_list * irq_list)1248  static int sonypi_setup_irq(struct sonypi_device *dev,
1249  				      const struct sonypi_irq_list *irq_list)
1250  {
1251  	while (irq_list->irq) {
1252  
1253  		if (!request_irq(irq_list->irq, sonypi_irq,
1254  				 IRQF_SHARED, "sonypi", sonypi_irq)) {
1255  			dev->irq = irq_list->irq;
1256  			dev->bits = irq_list->bits;
1257  			return 0;
1258  		}
1259  		irq_list++;
1260  	}
1261  
1262  	return -EBUSY;
1263  }
1264  
sonypi_display_info(void)1265  static void sonypi_display_info(void)
1266  {
1267  	printk(KERN_INFO "sonypi: detected type%d model, "
1268  	       "verbose = %d, fnkeyinit = %s, camera = %s, "
1269  	       "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1270  	       sonypi_device.model,
1271  	       verbose,
1272  	       fnkeyinit ? "on" : "off",
1273  	       camera ? "on" : "off",
1274  	       compat ? "on" : "off",
1275  	       mask,
1276  	       useinput ? "on" : "off",
1277  	       SONYPI_ACPI_ACTIVE ? "on" : "off");
1278  	printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1279  	       sonypi_device.irq,
1280  	       sonypi_device.ioport1, sonypi_device.ioport2);
1281  
1282  	if (minor == -1)
1283  		printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1284  		       sonypi_misc_device.minor);
1285  }
1286  
sonypi_probe(struct platform_device * dev)1287  static int sonypi_probe(struct platform_device *dev)
1288  {
1289  	const struct sonypi_ioport_list *ioport_list;
1290  	const struct sonypi_irq_list *irq_list;
1291  	struct pci_dev *pcidev;
1292  	int error;
1293  
1294  	printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1295  			"and report failures, see also "
1296  			"http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1297  
1298  	spin_lock_init(&sonypi_device.fifo_lock);
1299  	error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1300  	if (error) {
1301  		printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1302  		return error;
1303  	}
1304  
1305  	init_waitqueue_head(&sonypi_device.fifo_proc_list);
1306  	mutex_init(&sonypi_device.lock);
1307  	sonypi_device.bluetooth_power = -1;
1308  
1309  	if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1310  				     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1311  		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1312  	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1313  					  PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1314  		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1315  	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1316  					  PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1317  		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1318  	else
1319  		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1320  
1321  	if (pcidev && pci_enable_device(pcidev)) {
1322  		printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1323  		error = -EIO;
1324  		goto err_put_pcidev;
1325  	}
1326  
1327  	sonypi_device.dev = pcidev;
1328  
1329  	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1330  		ioport_list = sonypi_type1_ioport_list;
1331  		sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1332  		sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1333  		irq_list = sonypi_type1_irq_list;
1334  	} else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1335  		ioport_list = sonypi_type2_ioport_list;
1336  		sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1337  		sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1338  		irq_list = sonypi_type2_irq_list;
1339  	} else {
1340  		ioport_list = sonypi_type3_ioport_list;
1341  		sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1342  		sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1343  		irq_list = sonypi_type3_irq_list;
1344  	}
1345  
1346  	error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1347  	if (error) {
1348  		printk(KERN_ERR "sonypi: failed to request ioports\n");
1349  		goto err_disable_pcidev;
1350  	}
1351  
1352  	error = sonypi_setup_irq(&sonypi_device, irq_list);
1353  	if (error) {
1354  		printk(KERN_ERR "sonypi: request_irq failed\n");
1355  		goto err_free_ioports;
1356  	}
1357  
1358  	if (minor != -1)
1359  		sonypi_misc_device.minor = minor;
1360  	error = misc_register(&sonypi_misc_device);
1361  	if (error) {
1362  		printk(KERN_ERR "sonypi: misc_register failed\n");
1363  		goto err_free_irq;
1364  	}
1365  
1366  	sonypi_display_info();
1367  
1368  	if (useinput) {
1369  
1370  		error = sonypi_create_input_devices(dev);
1371  		if (error) {
1372  			printk(KERN_ERR
1373  				"sonypi: failed to create input devices\n");
1374  			goto err_miscdev_unregister;
1375  		}
1376  
1377  		spin_lock_init(&sonypi_device.input_fifo_lock);
1378  		error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1379  				GFP_KERNEL);
1380  		if (error) {
1381  			printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1382  			goto err_inpdev_unregister;
1383  		}
1384  
1385  		INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1386  	}
1387  
1388  	sonypi_enable(0);
1389  
1390  	return 0;
1391  
1392   err_inpdev_unregister:
1393  	input_unregister_device(sonypi_device.input_key_dev);
1394  	input_unregister_device(sonypi_device.input_jog_dev);
1395   err_miscdev_unregister:
1396  	misc_deregister(&sonypi_misc_device);
1397   err_free_irq:
1398  	free_irq(sonypi_device.irq, sonypi_irq);
1399   err_free_ioports:
1400  	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1401   err_disable_pcidev:
1402  	if (pcidev)
1403  		pci_disable_device(pcidev);
1404   err_put_pcidev:
1405  	pci_dev_put(pcidev);
1406  	kfifo_free(&sonypi_device.fifo);
1407  
1408  	return error;
1409  }
1410  
sonypi_remove(struct platform_device * dev)1411  static int sonypi_remove(struct platform_device *dev)
1412  {
1413  	sonypi_disable();
1414  
1415  	synchronize_irq(sonypi_device.irq);
1416  	flush_work(&sonypi_device.input_work);
1417  
1418  	if (useinput) {
1419  		input_unregister_device(sonypi_device.input_key_dev);
1420  		input_unregister_device(sonypi_device.input_jog_dev);
1421  		kfifo_free(&sonypi_device.input_fifo);
1422  	}
1423  
1424  	misc_deregister(&sonypi_misc_device);
1425  
1426  	free_irq(sonypi_device.irq, sonypi_irq);
1427  	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1428  
1429  	if (sonypi_device.dev) {
1430  		pci_disable_device(sonypi_device.dev);
1431  		pci_dev_put(sonypi_device.dev);
1432  	}
1433  
1434  	kfifo_free(&sonypi_device.fifo);
1435  
1436  	return 0;
1437  }
1438  
1439  #ifdef CONFIG_PM_SLEEP
1440  static int old_camera_power;
1441  
sonypi_suspend(struct device * dev)1442  static int sonypi_suspend(struct device *dev)
1443  {
1444  	old_camera_power = sonypi_device.camera_power;
1445  	sonypi_disable();
1446  
1447  	return 0;
1448  }
1449  
sonypi_resume(struct device * dev)1450  static int sonypi_resume(struct device *dev)
1451  {
1452  	sonypi_enable(old_camera_power);
1453  	return 0;
1454  }
1455  
1456  static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1457  #define SONYPI_PM	(&sonypi_pm)
1458  #else
1459  #define SONYPI_PM	NULL
1460  #endif
1461  
sonypi_shutdown(struct platform_device * dev)1462  static void sonypi_shutdown(struct platform_device *dev)
1463  {
1464  	sonypi_disable();
1465  }
1466  
1467  static struct platform_driver sonypi_driver = {
1468  	.driver		= {
1469  		.name	= "sonypi",
1470  		.pm	= SONYPI_PM,
1471  	},
1472  	.probe		= sonypi_probe,
1473  	.remove		= sonypi_remove,
1474  	.shutdown	= sonypi_shutdown,
1475  };
1476  
1477  static struct platform_device *sonypi_platform_device;
1478  
1479  static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
1480  	{
1481  		.ident = "Sony Vaio",
1482  		.matches = {
1483  			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1484  			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1485  		},
1486  	},
1487  	{
1488  		.ident = "Sony Vaio",
1489  		.matches = {
1490  			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1491  			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1492  		},
1493  	},
1494  	{ }
1495  };
1496  
sonypi_init(void)1497  static int __init sonypi_init(void)
1498  {
1499  	int error;
1500  
1501  	printk(KERN_INFO
1502  		"sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1503  		SONYPI_DRIVER_VERSION);
1504  
1505  	if (!dmi_check_system(sonypi_dmi_table))
1506  		return -ENODEV;
1507  
1508  	error = platform_driver_register(&sonypi_driver);
1509  	if (error)
1510  		return error;
1511  
1512  	sonypi_platform_device = platform_device_alloc("sonypi", -1);
1513  	if (!sonypi_platform_device) {
1514  		error = -ENOMEM;
1515  		goto err_driver_unregister;
1516  	}
1517  
1518  	error = platform_device_add(sonypi_platform_device);
1519  	if (error)
1520  		goto err_free_device;
1521  
1522  #ifdef CONFIG_ACPI
1523  	if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1524  		acpi_driver_registered = 1;
1525  #endif
1526  
1527  	return 0;
1528  
1529   err_free_device:
1530  	platform_device_put(sonypi_platform_device);
1531   err_driver_unregister:
1532  	platform_driver_unregister(&sonypi_driver);
1533  	return error;
1534  }
1535  
sonypi_exit(void)1536  static void __exit sonypi_exit(void)
1537  {
1538  #ifdef CONFIG_ACPI
1539  	if (acpi_driver_registered)
1540  		acpi_bus_unregister_driver(&sonypi_acpi_driver);
1541  #endif
1542  	platform_device_unregister(sonypi_platform_device);
1543  	platform_driver_unregister(&sonypi_driver);
1544  	printk(KERN_INFO "sonypi: removed.\n");
1545  }
1546  
1547  module_init(sonypi_init);
1548  module_exit(sonypi_exit);
1549