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authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>2008-01-08 10:02:43 -0500
committerLen Brown <len.brown@intel.com>2008-02-01 22:26:06 -0500
commit0c78039fcdb0806fafcc40400ace7fb7e81c65a5 (patch)
treec8ce03cc42df5b312ae2bf9f21d70b82fd89b0eb /drivers/misc
parent50efd8310f4f532231b15c6bcb9007c99ac05466 (diff)
ACPI: thinkpad-acpi: spring cleanup part 1
Remove the header file. Private header files used by a single .c file are in bad taste, and I know better now. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/thinkpad_acpi.c632
-rw-r--r--drivers/misc/thinkpad_acpi.h656
2 files changed, 631 insertions, 657 deletions
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 11ee444261bc..59b127cff1ec 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -82,7 +82,637 @@
82 * 2004-08-09 0.1 initial release, support for X series 82 * 2004-08-09 0.1 initial release, support for X series
83 */ 83 */
84 84
85#include "thinkpad_acpi.h" 85/* ==================================================== BEGIN HEADER */
86
87#include <linux/kernel.h>
88#include <linux/module.h>
89#include <linux/init.h>
90#include <linux/types.h>
91#include <linux/string.h>
92#include <linux/list.h>
93#include <linux/mutex.h>
94#include <linux/kthread.h>
95#include <linux/freezer.h>
96#include <linux/delay.h>
97
98#include <linux/nvram.h>
99#include <linux/proc_fs.h>
100#include <linux/sysfs.h>
101#include <linux/backlight.h>
102#include <linux/fb.h>
103#include <linux/platform_device.h>
104#include <linux/hwmon.h>
105#include <linux/hwmon-sysfs.h>
106#include <linux/input.h>
107#include <asm/uaccess.h>
108
109#include <linux/dmi.h>
110#include <linux/jiffies.h>
111#include <linux/workqueue.h>
112
113#include <acpi/acpi_drivers.h>
114#include <acpi/acnamesp.h>
115
116#include <linux/pci_ids.h>
117
118/****************************************************************************
119 * Main driver
120 */
121
122#define IBM_NAME "thinkpad"
123#define IBM_DESC "ThinkPad ACPI Extras"
124#define IBM_FILE IBM_NAME "_acpi"
125#define IBM_URL "http://ibm-acpi.sf.net/"
126#define IBM_MAIL "ibm-acpi-devel@lists.sourceforge.net"
127
128#define IBM_PROC_DIR "ibm"
129#define IBM_ACPI_EVENT_PREFIX "ibm"
130#define IBM_DRVR_NAME IBM_FILE
131#define IBM_HWMON_DRVR_NAME IBM_NAME "_hwmon"
132
133#define IBM_LOG IBM_FILE ": "
134#define IBM_ERR KERN_ERR IBM_LOG
135#define IBM_NOTICE KERN_NOTICE IBM_LOG
136#define IBM_INFO KERN_INFO IBM_LOG
137#define IBM_DEBUG KERN_DEBUG IBM_LOG
138
139#define IBM_MAX_ACPI_ARGS 3
140
141/* ThinkPad CMOS commands */
142#define TP_CMOS_VOLUME_DOWN 0
143#define TP_CMOS_VOLUME_UP 1
144#define TP_CMOS_VOLUME_MUTE 2
145#define TP_CMOS_BRIGHTNESS_UP 4
146#define TP_CMOS_BRIGHTNESS_DOWN 5
147
148/* NVRAM Addresses */
149enum tp_nvram_addr {
150 TP_NVRAM_ADDR_HK2 = 0x57,
151 TP_NVRAM_ADDR_THINKLIGHT = 0x58,
152 TP_NVRAM_ADDR_VIDEO = 0x59,
153 TP_NVRAM_ADDR_BRIGHTNESS = 0x5e,
154 TP_NVRAM_ADDR_MIXER = 0x60,
155};
156
157/* NVRAM bit masks */
158enum {
159 TP_NVRAM_MASK_HKT_THINKPAD = 0x08,
160 TP_NVRAM_MASK_HKT_ZOOM = 0x20,
161 TP_NVRAM_MASK_HKT_DISPLAY = 0x40,
162 TP_NVRAM_MASK_HKT_HIBERNATE = 0x80,
163 TP_NVRAM_MASK_THINKLIGHT = 0x10,
164 TP_NVRAM_MASK_HKT_DISPEXPND = 0x30,
165 TP_NVRAM_MASK_HKT_BRIGHTNESS = 0x20,
166 TP_NVRAM_MASK_LEVEL_BRIGHTNESS = 0x0f,
167 TP_NVRAM_POS_LEVEL_BRIGHTNESS = 0,
168 TP_NVRAM_MASK_MUTE = 0x40,
169 TP_NVRAM_MASK_HKT_VOLUME = 0x80,
170 TP_NVRAM_MASK_LEVEL_VOLUME = 0x0f,
171 TP_NVRAM_POS_LEVEL_VOLUME = 0,
172};
173
174#define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off")
175#define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled")
176#define strlencmp(a,b) (strncmp((a), (b), strlen(b)))
177
178/* Debugging */
179#define TPACPI_DBG_ALL 0xffff
180#define TPACPI_DBG_ALL 0xffff
181#define TPACPI_DBG_INIT 0x0001
182#define TPACPI_DBG_EXIT 0x0002
183#define dbg_printk(a_dbg_level, format, arg...) \
184 do { if (dbg_level & a_dbg_level) \
185 printk(IBM_DEBUG "%s: " format, __func__ , ## arg); } while (0)
186#ifdef CONFIG_THINKPAD_ACPI_DEBUG
187#define vdbg_printk(a_dbg_level, format, arg...) \
188 dbg_printk(a_dbg_level, format, ## arg)
189static const char *str_supported(int is_supported);
190#else
191#define vdbg_printk(a_dbg_level, format, arg...)
192#endif
193
194/* Input IDs */
195#define TPACPI_HKEY_INPUT_VENDOR PCI_VENDOR_ID_IBM
196#define TPACPI_HKEY_INPUT_PRODUCT 0x5054 /* "TP" */
197#define TPACPI_HKEY_INPUT_VERSION 0x4101
198
199/* ACPI HIDs */
200#define IBM_HKEY_HID "IBM0068"
201
202/* ACPI helpers */
203static int __must_check acpi_evalf(acpi_handle handle,
204 void *res, char *method, char *fmt, ...);
205static int __must_check acpi_ec_read(int i, u8 * p);
206static int __must_check acpi_ec_write(int i, u8 v);
207static int __must_check _sta(acpi_handle handle);
208
209/* ACPI handles */
210static acpi_handle root_handle; /* root namespace */
211static acpi_handle ec_handle; /* EC */
212static acpi_handle ecrd_handle, ecwr_handle; /* 570 EC access */
213static acpi_handle cmos_handle, hkey_handle; /* basic thinkpad handles */
214
215static void drv_acpi_handle_init(char *name,
216 acpi_handle *handle, acpi_handle parent,
217 char **paths, int num_paths, char **path);
218#define IBM_ACPIHANDLE_INIT(object) \
219 drv_acpi_handle_init(#object, &object##_handle, *object##_parent, \
220 object##_paths, ARRAY_SIZE(object##_paths), &object##_path)
221
222/* ThinkPad ACPI helpers */
223static int issue_thinkpad_cmos_command(int cmos_cmd);
224
225/* procfs support */
226static struct proc_dir_entry *proc_dir;
227
228/* procfs helpers */
229static int dispatch_procfs_read(char *page, char **start, off_t off,
230 int count, int *eof, void *data);
231static int dispatch_procfs_write(struct file *file,
232 const char __user * userbuf,
233 unsigned long count, void *data);
234static char *next_cmd(char **cmds);
235
236/* sysfs support */
237struct attribute_set {
238 unsigned int members, max_members;
239 struct attribute_group group;
240};
241
242static struct attribute_set *create_attr_set(unsigned int max_members,
243 const char* name);
244#define destroy_attr_set(_set) \
245 kfree(_set);
246static int add_to_attr_set(struct attribute_set* s, struct attribute *attr);
247static int add_many_to_attr_set(struct attribute_set* s,
248 struct attribute **attr,
249 unsigned int count);
250#define register_attr_set_with_sysfs(_attr_set, _kobj) \
251 sysfs_create_group(_kobj, &_attr_set->group)
252static void delete_attr_set(struct attribute_set* s, struct kobject *kobj);
253
254static int parse_strtoul(const char *buf, unsigned long max,
255 unsigned long *value);
256
257/* Device model */
258static struct platform_device *tpacpi_pdev;
259static struct platform_device *tpacpi_sensors_pdev;
260static struct device *tpacpi_hwmon;
261static struct platform_driver tpacpi_pdriver;
262static struct input_dev *tpacpi_inputdev;
263static int tpacpi_create_driver_attributes(struct device_driver *drv);
264static void tpacpi_remove_driver_attributes(struct device_driver *drv);
265
266/* Module */
267static int experimental;
268static u32 dbg_level;
269static int force_load;
270static unsigned int hotkey_report_mode;
271
272static int thinkpad_acpi_module_init(void);
273static void thinkpad_acpi_module_exit(void);
274
275
276/****************************************************************************
277 * Subdrivers
278 */
279
280struct ibm_struct;
281
282struct tp_acpi_drv_struct {
283 const struct acpi_device_id *hid;
284 struct acpi_driver *driver;
285
286 void (*notify) (struct ibm_struct *, u32);
287 acpi_handle *handle;
288 u32 type;
289 struct acpi_device *device;
290};
291
292struct ibm_struct {
293 char *name;
294
295 int (*read) (char *);
296 int (*write) (char *);
297 void (*exit) (void);
298 void (*resume) (void);
299
300 struct list_head all_drivers;
301
302 struct tp_acpi_drv_struct *acpi;
303
304 struct {
305 u8 acpi_driver_registered:1;
306 u8 acpi_notify_installed:1;
307 u8 proc_created:1;
308 u8 init_called:1;
309 u8 experimental:1;
310 } flags;
311};
312
313struct ibm_init_struct {
314 char param[32];
315
316 int (*init) (struct ibm_init_struct *);
317 struct ibm_struct *data;
318};
319
320static struct {
321#ifdef CONFIG_THINKPAD_ACPI_BAY
322 u32 bay_status:1;
323 u32 bay_eject:1;
324 u32 bay_status2:1;
325 u32 bay_eject2:1;
326#endif
327 u32 bluetooth:1;
328 u32 hotkey:1;
329 u32 hotkey_mask:1;
330 u32 hotkey_wlsw:1;
331 u32 light:1;
332 u32 light_status:1;
333 u32 bright_16levels:1;
334 u32 wan:1;
335 u32 fan_ctrl_status_undef:1;
336 u32 input_device_registered:1;
337 u32 platform_drv_registered:1;
338 u32 platform_drv_attrs_registered:1;
339 u32 sensors_pdrv_registered:1;
340 u32 sensors_pdrv_attrs_registered:1;
341 u32 sensors_pdev_attrs_registered:1;
342 u32 hotkey_poll_active:1;
343} tp_features;
344
345struct thinkpad_id_data {
346 unsigned int vendor; /* ThinkPad vendor:
347 * PCI_VENDOR_ID_IBM/PCI_VENDOR_ID_LENOVO */
348
349 char *bios_version_str; /* Something like 1ZET51WW (1.03z) */
350 char *ec_version_str; /* Something like 1ZHT51WW-1.04a */
351
352 u16 bios_model; /* Big Endian, TP-1Y = 0x5931, 0 = unknown */
353 u16 ec_model;
354
355 char *model_str;
356};
357
358static struct thinkpad_id_data thinkpad_id;
359
360static struct list_head tpacpi_all_drivers;
361
362static struct ibm_init_struct ibms_init[];
363static int set_ibm_param(const char *val, struct kernel_param *kp);
364static int ibm_init(struct ibm_init_struct *iibm);
365static void ibm_exit(struct ibm_struct *ibm);
366
367
368/*
369 * procfs master subdriver
370 */
371static int thinkpad_acpi_driver_init(struct ibm_init_struct *iibm);
372static int thinkpad_acpi_driver_read(char *p);
373
374
375/*
376 * Bay subdriver
377 */
378
379#ifdef CONFIG_THINKPAD_ACPI_BAY
380static acpi_handle bay_handle, bay_ej_handle;
381static acpi_handle bay2_handle, bay2_ej_handle;
382
383static int bay_init(struct ibm_init_struct *iibm);
384static void bay_notify(struct ibm_struct *ibm, u32 event);
385static int bay_read(char *p);
386static int bay_write(char *buf);
387#endif /* CONFIG_THINKPAD_ACPI_BAY */
388
389
390/*
391 * Beep subdriver
392 */
393
394static acpi_handle beep_handle;
395
396static int beep_read(char *p);
397static int beep_write(char *buf);
398
399
400/*
401 * Bluetooth subdriver
402 */
403
404enum {
405 /* ACPI GBDC/SBDC bits */
406 TP_ACPI_BLUETOOTH_HWPRESENT = 0x01, /* Bluetooth hw available */
407 TP_ACPI_BLUETOOTH_RADIOSSW = 0x02, /* Bluetooth radio enabled */
408 TP_ACPI_BLUETOOTH_UNK = 0x04, /* unknown function */
409};
410
411static int bluetooth_init(struct ibm_init_struct *iibm);
412static int bluetooth_get_radiosw(void);
413static int bluetooth_set_radiosw(int radio_on);
414static int bluetooth_read(char *p);
415static int bluetooth_write(char *buf);
416
417
418/*
419 * Brightness (backlight) subdriver
420 */
421
422#define TPACPI_BACKLIGHT_DEV_NAME "thinkpad_screen"
423
424static struct backlight_device *ibm_backlight_device;
425static int brightness_offset = 0x31;
426static int brightness_mode;
427static unsigned int brightness_enable; /* 0 = no, 1 = yes, 2 = auto */
428
429static int brightness_init(struct ibm_init_struct *iibm);
430static void brightness_exit(void);
431static int brightness_get(struct backlight_device *bd);
432static int brightness_set(int value);
433static int brightness_update_status(struct backlight_device *bd);
434static int brightness_read(char *p);
435static int brightness_write(char *buf);
436
437
438/*
439 * CMOS subdriver
440 */
441
442static int cmos_read(char *p);
443static int cmos_write(char *buf);
444
445
446/*
447 * Dock subdriver
448 */
449
450#ifdef CONFIG_THINKPAD_ACPI_DOCK
451static acpi_handle pci_handle;
452static acpi_handle dock_handle;
453
454static void dock_notify(struct ibm_struct *ibm, u32 event);
455static int dock_read(char *p);
456static int dock_write(char *buf);
457#endif /* CONFIG_THINKPAD_ACPI_DOCK */
458
459
460/*
461 * EC dump subdriver
462 */
463
464static int ecdump_read(char *p) ;
465static int ecdump_write(char *buf);
466
467
468/*
469 * Fan subdriver
470 */
471
472enum { /* Fan control constants */
473 fan_status_offset = 0x2f, /* EC register 0x2f */
474 fan_rpm_offset = 0x84, /* EC register 0x84: LSB, 0x85 MSB (RPM)
475 * 0x84 must be read before 0x85 */
476
477 TP_EC_FAN_FULLSPEED = 0x40, /* EC fan mode: full speed */
478 TP_EC_FAN_AUTO = 0x80, /* EC fan mode: auto fan control */
479
480 TPACPI_FAN_LAST_LEVEL = 0x100, /* Use cached last-seen fan level */
481};
482
483enum fan_status_access_mode {
484 TPACPI_FAN_NONE = 0, /* No fan status or control */
485 TPACPI_FAN_RD_ACPI_GFAN, /* Use ACPI GFAN */
486 TPACPI_FAN_RD_TPEC, /* Use ACPI EC regs 0x2f, 0x84-0x85 */
487};
488
489enum fan_control_access_mode {
490 TPACPI_FAN_WR_NONE = 0, /* No fan control */
491 TPACPI_FAN_WR_ACPI_SFAN, /* Use ACPI SFAN */
492 TPACPI_FAN_WR_TPEC, /* Use ACPI EC reg 0x2f */
493 TPACPI_FAN_WR_ACPI_FANS, /* Use ACPI FANS and EC reg 0x2f */
494};
495
496enum fan_control_commands {
497 TPACPI_FAN_CMD_SPEED = 0x0001, /* speed command */
498 TPACPI_FAN_CMD_LEVEL = 0x0002, /* level command */
499 TPACPI_FAN_CMD_ENABLE = 0x0004, /* enable/disable cmd,
500 * and also watchdog cmd */
501};
502
503static int fan_control_allowed;
504
505static enum fan_status_access_mode fan_status_access_mode;
506static enum fan_control_access_mode fan_control_access_mode;
507static enum fan_control_commands fan_control_commands;
508static u8 fan_control_initial_status;
509static u8 fan_control_desired_level;
510static int fan_watchdog_maxinterval;
511
512static struct mutex fan_mutex;
513
514static acpi_handle fans_handle, gfan_handle, sfan_handle;
515
516static int fan_init(struct ibm_init_struct *iibm);
517static void fan_exit(void);
518static int fan_get_status(u8 *status);
519static int fan_get_status_safe(u8 *status);
520static int fan_get_speed(unsigned int *speed);
521static void fan_update_desired_level(u8 status);
522static void fan_watchdog_fire(struct work_struct *ignored);
523static void fan_watchdog_reset(void);
524static int fan_set_level(int level);
525static int fan_set_level_safe(int level);
526static int fan_set_enable(void);
527static int fan_set_disable(void);
528static int fan_set_speed(int speed);
529static int fan_read(char *p);
530static int fan_write(char *buf);
531static int fan_write_cmd_level(const char *cmd, int *rc);
532static int fan_write_cmd_enable(const char *cmd, int *rc);
533static int fan_write_cmd_disable(const char *cmd, int *rc);
534static int fan_write_cmd_speed(const char *cmd, int *rc);
535static int fan_write_cmd_watchdog(const char *cmd, int *rc);
536
537
538/*
539 * Hotkey subdriver
540 */
541
542enum { /* hot key scan codes (derived from ACPI DSDT) */
543 TP_ACPI_HOTKEYSCAN_FNF1 = 0,
544 TP_ACPI_HOTKEYSCAN_FNF2,
545 TP_ACPI_HOTKEYSCAN_FNF3,
546 TP_ACPI_HOTKEYSCAN_FNF4,
547 TP_ACPI_HOTKEYSCAN_FNF5,
548 TP_ACPI_HOTKEYSCAN_FNF6,
549 TP_ACPI_HOTKEYSCAN_FNF7,
550 TP_ACPI_HOTKEYSCAN_FNF8,
551 TP_ACPI_HOTKEYSCAN_FNF9,
552 TP_ACPI_HOTKEYSCAN_FNF10,
553 TP_ACPI_HOTKEYSCAN_FNF11,
554 TP_ACPI_HOTKEYSCAN_FNF12,
555 TP_ACPI_HOTKEYSCAN_FNBACKSPACE,
556 TP_ACPI_HOTKEYSCAN_FNINSERT,
557 TP_ACPI_HOTKEYSCAN_FNDELETE,
558 TP_ACPI_HOTKEYSCAN_FNHOME,
559 TP_ACPI_HOTKEYSCAN_FNEND,
560 TP_ACPI_HOTKEYSCAN_FNPAGEUP,
561 TP_ACPI_HOTKEYSCAN_FNPAGEDOWN,
562 TP_ACPI_HOTKEYSCAN_FNSPACE,
563 TP_ACPI_HOTKEYSCAN_VOLUMEUP,
564 TP_ACPI_HOTKEYSCAN_VOLUMEDOWN,
565 TP_ACPI_HOTKEYSCAN_MUTE,
566 TP_ACPI_HOTKEYSCAN_THINKPAD,
567};
568
569static int hotkey_orig_status;
570static u32 hotkey_orig_mask;
571
572static struct mutex hotkey_mutex;
573
574static int hotkey_init(struct ibm_init_struct *iibm);
575static void hotkey_exit(void);
576static void hotkey_notify(struct ibm_struct *ibm, u32 event);
577static int hotkey_read(char *p);
578static int hotkey_write(char *buf);
579
580
581/*
582 * LED subdriver
583 */
584
585enum led_access_mode {
586 TPACPI_LED_NONE = 0,
587 TPACPI_LED_570, /* 570 */
588 TPACPI_LED_OLD, /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */
589 TPACPI_LED_NEW, /* all others */
590};
591
592enum { /* For TPACPI_LED_OLD */
593 TPACPI_LED_EC_HLCL = 0x0c, /* EC reg to get led to power on */
594 TPACPI_LED_EC_HLBL = 0x0d, /* EC reg to blink a lit led */
595 TPACPI_LED_EC_HLMS = 0x0e, /* EC reg to select led to command */
596};
597
598static enum led_access_mode led_supported;
599static acpi_handle led_handle;
600
601static int led_init(struct ibm_init_struct *iibm);
602static int led_read(char *p);
603static int led_write(char *buf);
604
605/*
606 * Light (thinklight) subdriver
607 */
608
609static acpi_handle lght_handle, ledb_handle;
610
611static int light_init(struct ibm_init_struct *iibm);
612static int light_read(char *p);
613static int light_write(char *buf);
614
615
616/*
617 * Thermal subdriver
618 */
619
620enum thermal_access_mode {
621 TPACPI_THERMAL_NONE = 0, /* No thermal support */
622 TPACPI_THERMAL_ACPI_TMP07, /* Use ACPI TMP0-7 */
623 TPACPI_THERMAL_ACPI_UPDT, /* Use ACPI TMP0-7 with UPDT */
624 TPACPI_THERMAL_TPEC_8, /* Use ACPI EC regs, 8 sensors */
625 TPACPI_THERMAL_TPEC_16, /* Use ACPI EC regs, 16 sensors */
626};
627
628enum { /* TPACPI_THERMAL_TPEC_* */
629 TP_EC_THERMAL_TMP0 = 0x78, /* ACPI EC regs TMP 0..7 */
630 TP_EC_THERMAL_TMP8 = 0xC0, /* ACPI EC regs TMP 8..15 */
631 TP_EC_THERMAL_TMP_NA = -128, /* ACPI EC sensor not available */
632};
633
634#define TPACPI_MAX_THERMAL_SENSORS 16 /* Max thermal sensors supported */
635struct ibm_thermal_sensors_struct {
636 s32 temp[TPACPI_MAX_THERMAL_SENSORS];
637};
638
639static enum thermal_access_mode thermal_read_mode;
640
641static int thermal_init(struct ibm_init_struct *iibm);
642static int thermal_get_sensor(int idx, s32 *value);
643static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s);
644static int thermal_read(char *p);
645
646
647/*
648 * Video subdriver
649 */
650
651enum video_access_mode {
652 TPACPI_VIDEO_NONE = 0,
653 TPACPI_VIDEO_570, /* 570 */
654 TPACPI_VIDEO_770, /* 600e/x, 770e, 770x */
655 TPACPI_VIDEO_NEW, /* all others */
656};
657
658enum { /* video status flags, based on VIDEO_570 */
659 TP_ACPI_VIDEO_S_LCD = 0x01, /* LCD output enabled */
660 TP_ACPI_VIDEO_S_CRT = 0x02, /* CRT output enabled */
661 TP_ACPI_VIDEO_S_DVI = 0x08, /* DVI output enabled */
662};
663
664enum { /* TPACPI_VIDEO_570 constants */
665 TP_ACPI_VIDEO_570_PHSCMD = 0x87, /* unknown magic constant :( */
666 TP_ACPI_VIDEO_570_PHSMASK = 0x03, /* PHS bits that map to
667 * video_status_flags */
668 TP_ACPI_VIDEO_570_PHS2CMD = 0x8b, /* unknown magic constant :( */
669 TP_ACPI_VIDEO_570_PHS2SET = 0x80, /* unknown magic constant :( */
670};
671
672static enum video_access_mode video_supported;
673static int video_orig_autosw;
674static acpi_handle vid_handle, vid2_handle;
675
676static int video_init(struct ibm_init_struct *iibm);
677static void video_exit(void);
678static int video_outputsw_get(void);
679static int video_outputsw_set(int status);
680static int video_autosw_get(void);
681static int video_autosw_set(int enable);
682static int video_outputsw_cycle(void);
683static int video_expand_toggle(void);
684static int video_read(char *p);
685static int video_write(char *buf);
686
687
688/*
689 * Volume subdriver
690 */
691
692static int volume_offset = 0x30;
693
694static int volume_read(char *p);
695static int volume_write(char *buf);
696
697
698/*
699 * Wan subdriver
700 */
701
702enum {
703 /* ACPI GWAN/SWAN bits */
704 TP_ACPI_WANCARD_HWPRESENT = 0x01, /* Wan hw available */
705 TP_ACPI_WANCARD_RADIOSSW = 0x02, /* Wan radio enabled */
706 TP_ACPI_WANCARD_UNK = 0x04, /* unknown function */
707};
708
709static int wan_init(struct ibm_init_struct *iibm);
710static int wan_get_radiosw(void);
711static int wan_set_radiosw(int radio_on);
712static int wan_read(char *p);
713static int wan_write(char *buf);
714
715/* ==================================================== END HEADER */
86 716
87MODULE_AUTHOR("Borislav Deianov, Henrique de Moraes Holschuh"); 717MODULE_AUTHOR("Borislav Deianov, Henrique de Moraes Holschuh");
88MODULE_DESCRIPTION(IBM_DESC); 718MODULE_DESCRIPTION(IBM_DESC);
diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h
deleted file mode 100644
index 582184dc4543..000000000000
--- a/drivers/misc/thinkpad_acpi.h
+++ /dev/null
@@ -1,656 +0,0 @@
1/*
2 * thinkpad_acpi.h - ThinkPad ACPI Extras
3 *
4 *
5 * Copyright (C) 2004-2005 Borislav Deianov <borislav@users.sf.net>
6 * Copyright (C) 2006-2007 Henrique de Moraes Holschuh <hmh@hmh.eng.br>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 * 02110-1301, USA.
22 */
23
24#ifndef __THINKPAD_ACPI_H__
25#define __THINKPAD_ACPI_H__
26
27#include <linux/kernel.h>
28#include <linux/module.h>
29#include <linux/init.h>
30#include <linux/types.h>
31#include <linux/string.h>
32#include <linux/list.h>
33#include <linux/mutex.h>
34#include <linux/kthread.h>
35#include <linux/freezer.h>
36#include <linux/delay.h>
37
38#include <linux/nvram.h>
39#include <linux/proc_fs.h>
40#include <linux/sysfs.h>
41#include <linux/backlight.h>
42#include <linux/fb.h>
43#include <linux/platform_device.h>
44#include <linux/hwmon.h>
45#include <linux/hwmon-sysfs.h>
46#include <linux/input.h>
47#include <asm/uaccess.h>
48
49#include <linux/dmi.h>
50#include <linux/jiffies.h>
51#include <linux/workqueue.h>
52
53#include <acpi/acpi_drivers.h>
54#include <acpi/acnamesp.h>
55
56#include <linux/pci_ids.h>
57
58/****************************************************************************
59 * Main driver
60 */
61
62#define IBM_NAME "thinkpad"
63#define IBM_DESC "ThinkPad ACPI Extras"
64#define IBM_FILE IBM_NAME "_acpi"
65#define IBM_URL "http://ibm-acpi.sf.net/"
66#define IBM_MAIL "ibm-acpi-devel@lists.sourceforge.net"
67
68#define IBM_PROC_DIR "ibm"
69#define IBM_ACPI_EVENT_PREFIX "ibm"
70#define IBM_DRVR_NAME IBM_FILE
71#define IBM_HWMON_DRVR_NAME IBM_NAME "_hwmon"
72
73#define IBM_LOG IBM_FILE ": "
74#define IBM_ERR KERN_ERR IBM_LOG
75#define IBM_NOTICE KERN_NOTICE IBM_LOG
76#define IBM_INFO KERN_INFO IBM_LOG
77#define IBM_DEBUG KERN_DEBUG IBM_LOG
78
79#define IBM_MAX_ACPI_ARGS 3
80
81/* ThinkPad CMOS commands */
82#define TP_CMOS_VOLUME_DOWN 0
83#define TP_CMOS_VOLUME_UP 1
84#define TP_CMOS_VOLUME_MUTE 2
85#define TP_CMOS_BRIGHTNESS_UP 4
86#define TP_CMOS_BRIGHTNESS_DOWN 5
87
88/* NVRAM Addresses */
89enum tp_nvram_addr {
90 TP_NVRAM_ADDR_HK2 = 0x57,
91 TP_NVRAM_ADDR_THINKLIGHT = 0x58,
92 TP_NVRAM_ADDR_VIDEO = 0x59,
93 TP_NVRAM_ADDR_BRIGHTNESS = 0x5e,
94 TP_NVRAM_ADDR_MIXER = 0x60,
95};
96
97/* NVRAM bit masks */
98enum {
99 TP_NVRAM_MASK_HKT_THINKPAD = 0x08,
100 TP_NVRAM_MASK_HKT_ZOOM = 0x20,
101 TP_NVRAM_MASK_HKT_DISPLAY = 0x40,
102 TP_NVRAM_MASK_HKT_HIBERNATE = 0x80,
103 TP_NVRAM_MASK_THINKLIGHT = 0x10,
104 TP_NVRAM_MASK_HKT_DISPEXPND = 0x30,
105 TP_NVRAM_MASK_HKT_BRIGHTNESS = 0x20,
106 TP_NVRAM_MASK_LEVEL_BRIGHTNESS = 0x0f,
107 TP_NVRAM_POS_LEVEL_BRIGHTNESS = 0,
108 TP_NVRAM_MASK_MUTE = 0x40,
109 TP_NVRAM_MASK_HKT_VOLUME = 0x80,
110 TP_NVRAM_MASK_LEVEL_VOLUME = 0x0f,
111 TP_NVRAM_POS_LEVEL_VOLUME = 0,
112};
113
114#define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off")
115#define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled")
116#define strlencmp(a,b) (strncmp((a), (b), strlen(b)))
117
118/* Debugging */
119#define TPACPI_DBG_ALL 0xffff
120#define TPACPI_DBG_ALL 0xffff
121#define TPACPI_DBG_INIT 0x0001
122#define TPACPI_DBG_EXIT 0x0002
123#define dbg_printk(a_dbg_level, format, arg...) \
124 do { if (dbg_level & a_dbg_level) \
125 printk(IBM_DEBUG "%s: " format, __func__ , ## arg); } while (0)
126#ifdef CONFIG_THINKPAD_ACPI_DEBUG
127#define vdbg_printk(a_dbg_level, format, arg...) \
128 dbg_printk(a_dbg_level, format, ## arg)
129static const char *str_supported(int is_supported);
130#else
131#define vdbg_printk(a_dbg_level, format, arg...)
132#endif
133
134/* Input IDs */
135#define TPACPI_HKEY_INPUT_VENDOR PCI_VENDOR_ID_IBM
136#define TPACPI_HKEY_INPUT_PRODUCT 0x5054 /* "TP" */
137#define TPACPI_HKEY_INPUT_VERSION 0x4101
138
139/* ACPI HIDs */
140#define IBM_HKEY_HID "IBM0068"
141
142/* ACPI helpers */
143static int __must_check acpi_evalf(acpi_handle handle,
144 void *res, char *method, char *fmt, ...);
145static int __must_check acpi_ec_read(int i, u8 * p);
146static int __must_check acpi_ec_write(int i, u8 v);
147static int __must_check _sta(acpi_handle handle);
148
149/* ACPI handles */
150static acpi_handle root_handle; /* root namespace */
151static acpi_handle ec_handle; /* EC */
152static acpi_handle ecrd_handle, ecwr_handle; /* 570 EC access */
153static acpi_handle cmos_handle, hkey_handle; /* basic thinkpad handles */
154
155static void drv_acpi_handle_init(char *name,
156 acpi_handle *handle, acpi_handle parent,
157 char **paths, int num_paths, char **path);
158#define IBM_ACPIHANDLE_INIT(object) \
159 drv_acpi_handle_init(#object, &object##_handle, *object##_parent, \
160 object##_paths, ARRAY_SIZE(object##_paths), &object##_path)
161
162/* ThinkPad ACPI helpers */
163static int issue_thinkpad_cmos_command(int cmos_cmd);
164
165/* procfs support */
166static struct proc_dir_entry *proc_dir;
167
168/* procfs helpers */
169static int dispatch_procfs_read(char *page, char **start, off_t off,
170 int count, int *eof, void *data);
171static int dispatch_procfs_write(struct file *file,
172 const char __user * userbuf,
173 unsigned long count, void *data);
174static char *next_cmd(char **cmds);
175
176/* sysfs support */
177struct attribute_set {
178 unsigned int members, max_members;
179 struct attribute_group group;
180};
181
182static struct attribute_set *create_attr_set(unsigned int max_members,
183 const char* name);
184#define destroy_attr_set(_set) \
185 kfree(_set);
186static int add_to_attr_set(struct attribute_set* s, struct attribute *attr);
187static int add_many_to_attr_set(struct attribute_set* s,
188 struct attribute **attr,
189 unsigned int count);
190#define register_attr_set_with_sysfs(_attr_set, _kobj) \
191 sysfs_create_group(_kobj, &_attr_set->group)
192static void delete_attr_set(struct attribute_set* s, struct kobject *kobj);
193
194static int parse_strtoul(const char *buf, unsigned long max,
195 unsigned long *value);
196
197/* Device model */
198static struct platform_device *tpacpi_pdev;
199static struct platform_device *tpacpi_sensors_pdev;
200static struct device *tpacpi_hwmon;
201static struct platform_driver tpacpi_pdriver;
202static struct input_dev *tpacpi_inputdev;
203static int tpacpi_create_driver_attributes(struct device_driver *drv);
204static void tpacpi_remove_driver_attributes(struct device_driver *drv);
205
206/* Module */
207static int experimental;
208static u32 dbg_level;
209static int force_load;
210static unsigned int hotkey_report_mode;
211
212static int thinkpad_acpi_module_init(void);
213static void thinkpad_acpi_module_exit(void);
214
215
216/****************************************************************************
217 * Subdrivers
218 */
219
220struct ibm_struct;
221
222struct tp_acpi_drv_struct {
223 const struct acpi_device_id *hid;
224 struct acpi_driver *driver;
225
226 void (*notify) (struct ibm_struct *, u32);
227 acpi_handle *handle;
228 u32 type;
229 struct acpi_device *device;
230};
231
232struct ibm_struct {
233 char *name;
234
235 int (*read) (char *);
236 int (*write) (char *);
237 void (*exit) (void);
238 void (*resume) (void);
239
240 struct list_head all_drivers;
241
242 struct tp_acpi_drv_struct *acpi;
243
244 struct {
245 u8 acpi_driver_registered:1;
246 u8 acpi_notify_installed:1;
247 u8 proc_created:1;
248 u8 init_called:1;
249 u8 experimental:1;
250 } flags;
251};
252
253struct ibm_init_struct {
254 char param[32];
255
256 int (*init) (struct ibm_init_struct *);
257 struct ibm_struct *data;
258};
259
260static struct {
261#ifdef CONFIG_THINKPAD_ACPI_BAY
262 u32 bay_status:1;
263 u32 bay_eject:1;
264 u32 bay_status2:1;
265 u32 bay_eject2:1;
266#endif
267 u32 bluetooth:1;
268 u32 hotkey:1;
269 u32 hotkey_mask:1;
270 u32 hotkey_wlsw:1;
271 u32 light:1;
272 u32 light_status:1;
273 u32 bright_16levels:1;
274 u32 wan:1;
275 u32 fan_ctrl_status_undef:1;
276 u32 input_device_registered:1;
277 u32 platform_drv_registered:1;
278 u32 platform_drv_attrs_registered:1;
279 u32 sensors_pdrv_registered:1;
280 u32 sensors_pdrv_attrs_registered:1;
281 u32 sensors_pdev_attrs_registered:1;
282 u32 hotkey_poll_active:1;
283} tp_features;
284
285struct thinkpad_id_data {
286 unsigned int vendor; /* ThinkPad vendor:
287 * PCI_VENDOR_ID_IBM/PCI_VENDOR_ID_LENOVO */
288
289 char *bios_version_str; /* Something like 1ZET51WW (1.03z) */
290 char *ec_version_str; /* Something like 1ZHT51WW-1.04a */
291
292 u16 bios_model; /* Big Endian, TP-1Y = 0x5931, 0 = unknown */
293 u16 ec_model;
294
295 char *model_str;
296};
297
298static struct thinkpad_id_data thinkpad_id;
299
300static struct list_head tpacpi_all_drivers;
301
302static struct ibm_init_struct ibms_init[];
303static int set_ibm_param(const char *val, struct kernel_param *kp);
304static int ibm_init(struct ibm_init_struct *iibm);
305static void ibm_exit(struct ibm_struct *ibm);
306
307
308/*
309 * procfs master subdriver
310 */
311static int thinkpad_acpi_driver_init(struct ibm_init_struct *iibm);
312static int thinkpad_acpi_driver_read(char *p);
313
314
315/*
316 * Bay subdriver
317 */
318
319#ifdef CONFIG_THINKPAD_ACPI_BAY
320static acpi_handle bay_handle, bay_ej_handle;
321static acpi_handle bay2_handle, bay2_ej_handle;
322
323static int bay_init(struct ibm_init_struct *iibm);
324static void bay_notify(struct ibm_struct *ibm, u32 event);
325static int bay_read(char *p);
326static int bay_write(char *buf);
327#endif /* CONFIG_THINKPAD_ACPI_BAY */
328
329
330/*
331 * Beep subdriver
332 */
333
334static acpi_handle beep_handle;
335
336static int beep_read(char *p);
337static int beep_write(char *buf);
338
339
340/*
341 * Bluetooth subdriver
342 */
343
344enum {
345 /* ACPI GBDC/SBDC bits */
346 TP_ACPI_BLUETOOTH_HWPRESENT = 0x01, /* Bluetooth hw available */
347 TP_ACPI_BLUETOOTH_RADIOSSW = 0x02, /* Bluetooth radio enabled */
348 TP_ACPI_BLUETOOTH_UNK = 0x04, /* unknown function */
349};
350
351static int bluetooth_init(struct ibm_init_struct *iibm);
352static int bluetooth_get_radiosw(void);
353static int bluetooth_set_radiosw(int radio_on);
354static int bluetooth_read(char *p);
355static int bluetooth_write(char *buf);
356
357
358/*
359 * Brightness (backlight) subdriver
360 */
361
362#define TPACPI_BACKLIGHT_DEV_NAME "thinkpad_screen"
363
364static struct backlight_device *ibm_backlight_device;
365static int brightness_offset = 0x31;
366static int brightness_mode;
367static unsigned int brightness_enable; /* 0 = no, 1 = yes, 2 = auto */
368
369static int brightness_init(struct ibm_init_struct *iibm);
370static void brightness_exit(void);
371static int brightness_get(struct backlight_device *bd);
372static int brightness_set(int value);
373static int brightness_update_status(struct backlight_device *bd);
374static int brightness_read(char *p);
375static int brightness_write(char *buf);
376
377
378/*
379 * CMOS subdriver
380 */
381
382static int cmos_read(char *p);
383static int cmos_write(char *buf);
384
385
386/*
387 * Dock subdriver
388 */
389
390#ifdef CONFIG_THINKPAD_ACPI_DOCK
391static acpi_handle pci_handle;
392static acpi_handle dock_handle;
393
394static void dock_notify(struct ibm_struct *ibm, u32 event);
395static int dock_read(char *p);
396static int dock_write(char *buf);
397#endif /* CONFIG_THINKPAD_ACPI_DOCK */
398
399
400/*
401 * EC dump subdriver
402 */
403
404static int ecdump_read(char *p) ;
405static int ecdump_write(char *buf);
406
407
408/*
409 * Fan subdriver
410 */
411
412enum { /* Fan control constants */
413 fan_status_offset = 0x2f, /* EC register 0x2f */
414 fan_rpm_offset = 0x84, /* EC register 0x84: LSB, 0x85 MSB (RPM)
415 * 0x84 must be read before 0x85 */
416
417 TP_EC_FAN_FULLSPEED = 0x40, /* EC fan mode: full speed */
418 TP_EC_FAN_AUTO = 0x80, /* EC fan mode: auto fan control */
419
420 TPACPI_FAN_LAST_LEVEL = 0x100, /* Use cached last-seen fan level */
421};
422
423enum fan_status_access_mode {
424 TPACPI_FAN_NONE = 0, /* No fan status or control */
425 TPACPI_FAN_RD_ACPI_GFAN, /* Use ACPI GFAN */
426 TPACPI_FAN_RD_TPEC, /* Use ACPI EC regs 0x2f, 0x84-0x85 */
427};
428
429enum fan_control_access_mode {
430 TPACPI_FAN_WR_NONE = 0, /* No fan control */
431 TPACPI_FAN_WR_ACPI_SFAN, /* Use ACPI SFAN */
432 TPACPI_FAN_WR_TPEC, /* Use ACPI EC reg 0x2f */
433 TPACPI_FAN_WR_ACPI_FANS, /* Use ACPI FANS and EC reg 0x2f */
434};
435
436enum fan_control_commands {
437 TPACPI_FAN_CMD_SPEED = 0x0001, /* speed command */
438 TPACPI_FAN_CMD_LEVEL = 0x0002, /* level command */
439 TPACPI_FAN_CMD_ENABLE = 0x0004, /* enable/disable cmd,
440 * and also watchdog cmd */
441};
442
443static int fan_control_allowed;
444
445static enum fan_status_access_mode fan_status_access_mode;
446static enum fan_control_access_mode fan_control_access_mode;
447static enum fan_control_commands fan_control_commands;
448static u8 fan_control_initial_status;
449static u8 fan_control_desired_level;
450static int fan_watchdog_maxinterval;
451
452static struct mutex fan_mutex;
453
454static acpi_handle fans_handle, gfan_handle, sfan_handle;
455
456static int fan_init(struct ibm_init_struct *iibm);
457static void fan_exit(void);
458static int fan_get_status(u8 *status);
459static int fan_get_status_safe(u8 *status);
460static int fan_get_speed(unsigned int *speed);
461static void fan_update_desired_level(u8 status);
462static void fan_watchdog_fire(struct work_struct *ignored);
463static void fan_watchdog_reset(void);
464static int fan_set_level(int level);
465static int fan_set_level_safe(int level);
466static int fan_set_enable(void);
467static int fan_set_disable(void);
468static int fan_set_speed(int speed);
469static int fan_read(char *p);
470static int fan_write(char *buf);
471static int fan_write_cmd_level(const char *cmd, int *rc);
472static int fan_write_cmd_enable(const char *cmd, int *rc);
473static int fan_write_cmd_disable(const char *cmd, int *rc);
474static int fan_write_cmd_speed(const char *cmd, int *rc);
475static int fan_write_cmd_watchdog(const char *cmd, int *rc);
476
477
478/*
479 * Hotkey subdriver
480 */
481
482enum { /* hot key scan codes (derived from ACPI DSDT) */
483 TP_ACPI_HOTKEYSCAN_FNF1 = 0,
484 TP_ACPI_HOTKEYSCAN_FNF2,
485 TP_ACPI_HOTKEYSCAN_FNF3,
486 TP_ACPI_HOTKEYSCAN_FNF4,
487 TP_ACPI_HOTKEYSCAN_FNF5,
488 TP_ACPI_HOTKEYSCAN_FNF6,
489 TP_ACPI_HOTKEYSCAN_FNF7,
490 TP_ACPI_HOTKEYSCAN_FNF8,
491 TP_ACPI_HOTKEYSCAN_FNF9,
492 TP_ACPI_HOTKEYSCAN_FNF10,
493 TP_ACPI_HOTKEYSCAN_FNF11,
494 TP_ACPI_HOTKEYSCAN_FNF12,
495 TP_ACPI_HOTKEYSCAN_FNBACKSPACE,
496 TP_ACPI_HOTKEYSCAN_FNINSERT,
497 TP_ACPI_HOTKEYSCAN_FNDELETE,
498 TP_ACPI_HOTKEYSCAN_FNHOME,
499 TP_ACPI_HOTKEYSCAN_FNEND,
500 TP_ACPI_HOTKEYSCAN_FNPAGEUP,
501 TP_ACPI_HOTKEYSCAN_FNPAGEDOWN,
502 TP_ACPI_HOTKEYSCAN_FNSPACE,
503 TP_ACPI_HOTKEYSCAN_VOLUMEUP,
504 TP_ACPI_HOTKEYSCAN_VOLUMEDOWN,
505 TP_ACPI_HOTKEYSCAN_MUTE,
506 TP_ACPI_HOTKEYSCAN_THINKPAD,
507};
508
509static int hotkey_orig_status;
510static u32 hotkey_orig_mask;
511
512static struct mutex hotkey_mutex;
513
514static int hotkey_init(struct ibm_init_struct *iibm);
515static void hotkey_exit(void);
516static void hotkey_notify(struct ibm_struct *ibm, u32 event);
517static int hotkey_read(char *p);
518static int hotkey_write(char *buf);
519
520
521/*
522 * LED subdriver
523 */
524
525enum led_access_mode {
526 TPACPI_LED_NONE = 0,
527 TPACPI_LED_570, /* 570 */
528 TPACPI_LED_OLD, /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */
529 TPACPI_LED_NEW, /* all others */
530};
531
532enum { /* For TPACPI_LED_OLD */
533 TPACPI_LED_EC_HLCL = 0x0c, /* EC reg to get led to power on */
534 TPACPI_LED_EC_HLBL = 0x0d, /* EC reg to blink a lit led */
535 TPACPI_LED_EC_HLMS = 0x0e, /* EC reg to select led to command */
536};
537
538static enum led_access_mode led_supported;
539static acpi_handle led_handle;
540
541static int led_init(struct ibm_init_struct *iibm);
542static int led_read(char *p);
543static int led_write(char *buf);
544
545/*
546 * Light (thinklight) subdriver
547 */
548
549static acpi_handle lght_handle, ledb_handle;
550
551static int light_init(struct ibm_init_struct *iibm);
552static int light_read(char *p);
553static int light_write(char *buf);
554
555
556/*
557 * Thermal subdriver
558 */
559
560enum thermal_access_mode {
561 TPACPI_THERMAL_NONE = 0, /* No thermal support */
562 TPACPI_THERMAL_ACPI_TMP07, /* Use ACPI TMP0-7 */
563 TPACPI_THERMAL_ACPI_UPDT, /* Use ACPI TMP0-7 with UPDT */
564 TPACPI_THERMAL_TPEC_8, /* Use ACPI EC regs, 8 sensors */
565 TPACPI_THERMAL_TPEC_16, /* Use ACPI EC regs, 16 sensors */
566};
567
568enum { /* TPACPI_THERMAL_TPEC_* */
569 TP_EC_THERMAL_TMP0 = 0x78, /* ACPI EC regs TMP 0..7 */
570 TP_EC_THERMAL_TMP8 = 0xC0, /* ACPI EC regs TMP 8..15 */
571 TP_EC_THERMAL_TMP_NA = -128, /* ACPI EC sensor not available */
572};
573
574#define TPACPI_MAX_THERMAL_SENSORS 16 /* Max thermal sensors supported */
575struct ibm_thermal_sensors_struct {
576 s32 temp[TPACPI_MAX_THERMAL_SENSORS];
577};
578
579static enum thermal_access_mode thermal_read_mode;
580
581static int thermal_init(struct ibm_init_struct *iibm);
582static int thermal_get_sensor(int idx, s32 *value);
583static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s);
584static int thermal_read(char *p);
585
586
587/*
588 * Video subdriver
589 */
590
591enum video_access_mode {
592 TPACPI_VIDEO_NONE = 0,
593 TPACPI_VIDEO_570, /* 570 */
594 TPACPI_VIDEO_770, /* 600e/x, 770e, 770x */
595 TPACPI_VIDEO_NEW, /* all others */
596};
597
598enum { /* video status flags, based on VIDEO_570 */
599 TP_ACPI_VIDEO_S_LCD = 0x01, /* LCD output enabled */
600 TP_ACPI_VIDEO_S_CRT = 0x02, /* CRT output enabled */
601 TP_ACPI_VIDEO_S_DVI = 0x08, /* DVI output enabled */
602};
603
604enum { /* TPACPI_VIDEO_570 constants */
605 TP_ACPI_VIDEO_570_PHSCMD = 0x87, /* unknown magic constant :( */
606 TP_ACPI_VIDEO_570_PHSMASK = 0x03, /* PHS bits that map to
607 * video_status_flags */
608 TP_ACPI_VIDEO_570_PHS2CMD = 0x8b, /* unknown magic constant :( */
609 TP_ACPI_VIDEO_570_PHS2SET = 0x80, /* unknown magic constant :( */
610};
611
612static enum video_access_mode video_supported;
613static int video_orig_autosw;
614static acpi_handle vid_handle, vid2_handle;
615
616static int video_init(struct ibm_init_struct *iibm);
617static void video_exit(void);
618static int video_outputsw_get(void);
619static int video_outputsw_set(int status);
620static int video_autosw_get(void);
621static int video_autosw_set(int enable);
622static int video_outputsw_cycle(void);
623static int video_expand_toggle(void);
624static int video_read(char *p);
625static int video_write(char *buf);
626
627
628/*
629 * Volume subdriver
630 */
631
632static int volume_offset = 0x30;
633
634static int volume_read(char *p);
635static int volume_write(char *buf);
636
637
638/*
639 * Wan subdriver
640 */
641
642enum {
643 /* ACPI GWAN/SWAN bits */
644 TP_ACPI_WANCARD_HWPRESENT = 0x01, /* Wan hw available */
645 TP_ACPI_WANCARD_RADIOSSW = 0x02, /* Wan radio enabled */
646 TP_ACPI_WANCARD_UNK = 0x04, /* unknown function */
647};
648
649static int wan_init(struct ibm_init_struct *iibm);
650static int wan_get_radiosw(void);
651static int wan_set_radiosw(int radio_on);
652static int wan_read(char *p);
653static int wan_write(char *buf);
654
655
656#endif /* __THINKPAD_ACPI_H */
generated by cgit v1.2.2 (git 2.25.0) at 2026-02-20 11:38:48 -0500