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acpi_panasonic.c (134258) acpi_panasonic.c (137365)
1/*-
2 * Copyright (c) 2003 OGAWA Takaya <t-ogawa@triaez.kaisei.org>
3 * Copyright (c) 2004 Yoshihiro TAKAHASHI <nyan@FreeBSD.org>
4 * All rights Reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 13 unchanged lines hidden (view full) ---

22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28
29#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2003 OGAWA Takaya <t-ogawa@triaez.kaisei.org>
3 * Copyright (c) 2004 Yoshihiro TAKAHASHI <nyan@FreeBSD.org>
4 * All rights Reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 13 unchanged lines hidden (view full) ---

22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: head/sys/dev/acpi_support/acpi_panasonic.c 134258 2004-08-24 17:53:25Z njl $");
30__FBSDID("$FreeBSD: head/sys/dev/acpi_support/acpi_panasonic.c 137365 2004-11-07 23:18:23Z njl $");
31
32#include "opt_acpi.h"
33#include <sys/param.h>
34#include <sys/kernel.h>
35#include <sys/malloc.h>
36#include <sys/module.h>
37#include <sys/bus.h>
31
32#include "opt_acpi.h"
33#include <sys/param.h>
34#include <sys/kernel.h>
35#include <sys/malloc.h>
36#include <sys/module.h>
37#include <sys/bus.h>
38#include <sys/power.h>
38
39#include "acpi.h"
40#include <dev/acpica/acpivar.h>
41
42/* Debug */
43#undef ACPI_PANASONIC_DEBUG
44
45/* Operations */
46#define HKEY_SET 0
47#define HKEY_GET 1
48
49/* Functions */
39
40#include "acpi.h"
41#include <dev/acpica/acpivar.h>
42
43/* Debug */
44#undef ACPI_PANASONIC_DEBUG
45
46/* Operations */
47#define HKEY_SET 0
48#define HKEY_GET 1
49
50/* Functions */
50#define HKEY_REG_LCD_BRIGHTNESS 0x04
51#define HKEY_REG_LCD_BRIGHTNESS_MAX_AC 0x02
52#define HKEY_REG_LCD_BRIGHTNESS_MIN_AC 0x03
53#define HKEY_REG_LCD_BRIGHTNESS_AC 0x04
54#define HKEY_REG_LCD_BRIGHTNESS_MAX_DC 0x05
55#define HKEY_REG_LCD_BRIGHTNESS_MIN_DC 0x06
56#define HKEY_REG_LCD_BRIGHTNESS_DC 0x07
51#define HKEY_REG_SOUND_MUTE 0x08
52
53/* Field definitions */
54#define HKEY_LCD_BRIGHTNESS_BITS 4
55#define HKEY_LCD_BRIGHTNESS_DIV ((1 << HKEY_LCD_BRIGHTNESS_BITS) - 1)
56
57struct acpi_panasonic_softc {
58 device_t dev;
59 ACPI_HANDLE handle;
60
61 struct sysctl_ctx_list sysctl_ctx;
62 struct sysctl_oid *sysctl_tree;
57#define HKEY_REG_SOUND_MUTE 0x08
58
59/* Field definitions */
60#define HKEY_LCD_BRIGHTNESS_BITS 4
61#define HKEY_LCD_BRIGHTNESS_DIV ((1 << HKEY_LCD_BRIGHTNESS_BITS) - 1)
62
63struct acpi_panasonic_softc {
64 device_t dev;
65 ACPI_HANDLE handle;
66
67 struct sysctl_ctx_list sysctl_ctx;
68 struct sysctl_oid *sysctl_tree;
69
70 eventhandler_tag power_evh;
63};
64
65/* Prototype for HKEY functions for getting/setting a value. */
66typedef int hkey_fn_t(ACPI_HANDLE, int, UINT32 *);
67
68static int acpi_panasonic_probe(device_t dev);
69static int acpi_panasonic_attach(device_t dev);
70static int acpi_panasonic_detach(device_t dev);
71static int acpi_panasonic_sysctl(SYSCTL_HANDLER_ARGS);
72static ACPI_INTEGER acpi_panasonic_sinf(ACPI_HANDLE h, ACPI_INTEGER index);
73static void acpi_panasonic_sset(ACPI_HANDLE h, ACPI_INTEGER index,
74 ACPI_INTEGER val);
75static int acpi_panasonic_hkey_event(struct acpi_panasonic_softc *sc,
76 ACPI_HANDLE h, UINT32 *arg);
77static void acpi_panasonic_hkey_action(struct acpi_panasonic_softc *sc,
78 ACPI_HANDLE h, UINT32 key);
79static void acpi_panasonic_notify(ACPI_HANDLE h, UINT32 notify,
80 void *context);
71};
72
73/* Prototype for HKEY functions for getting/setting a value. */
74typedef int hkey_fn_t(ACPI_HANDLE, int, UINT32 *);
75
76static int acpi_panasonic_probe(device_t dev);
77static int acpi_panasonic_attach(device_t dev);
78static int acpi_panasonic_detach(device_t dev);
79static int acpi_panasonic_sysctl(SYSCTL_HANDLER_ARGS);
80static ACPI_INTEGER acpi_panasonic_sinf(ACPI_HANDLE h, ACPI_INTEGER index);
81static void acpi_panasonic_sset(ACPI_HANDLE h, ACPI_INTEGER index,
82 ACPI_INTEGER val);
83static int acpi_panasonic_hkey_event(struct acpi_panasonic_softc *sc,
84 ACPI_HANDLE h, UINT32 *arg);
85static void acpi_panasonic_hkey_action(struct acpi_panasonic_softc *sc,
86 ACPI_HANDLE h, UINT32 key);
87static void acpi_panasonic_notify(ACPI_HANDLE h, UINT32 notify,
88 void *context);
89static void acpi_panasonic_power_profile(void *arg);
81
82static hkey_fn_t hkey_lcd_brightness_max;
90
91static hkey_fn_t hkey_lcd_brightness_max;
92static hkey_fn_t hkey_lcd_brightness_min;
83static hkey_fn_t hkey_lcd_brightness;
84static hkey_fn_t hkey_sound_mute;
93static hkey_fn_t hkey_lcd_brightness;
94static hkey_fn_t hkey_sound_mute;
85static int lcd_brightness_max = 255;
86ACPI_SERIAL_DECL(panasonic, "ACPI Panasonic extras");
87
88/* Table of sysctl names and HKEY functions to call. */
89static struct {
90 char *name;
91 hkey_fn_t *handler;
92} sysctl_table[] = {
93 /* name, handler */
94 {"lcd_brightness_max", hkey_lcd_brightness_max},
95ACPI_SERIAL_DECL(panasonic, "ACPI Panasonic extras");
96
97/* Table of sysctl names and HKEY functions to call. */
98static struct {
99 char *name;
100 hkey_fn_t *handler;
101} sysctl_table[] = {
102 /* name, handler */
103 {"lcd_brightness_max", hkey_lcd_brightness_max},
104 {"lcd_brightness_min", hkey_lcd_brightness_min},
95 {"lcd_brightness", hkey_lcd_brightness},
96 {"sound_mute", hkey_sound_mute},
97 {NULL, NULL}
98};
99
100static device_method_t acpi_panasonic_methods[] = {
101 DEVMETHOD(device_probe, acpi_panasonic_probe),
102 DEVMETHOD(device_attach, acpi_panasonic_attach),

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173 acpi_panasonic_notify, sc);
174 if (ACPI_FAILURE(status)) {
175 device_printf(dev, "couldn't install notify handler - %s\n",
176 AcpiFormatException(status));
177 sysctl_ctx_free(&sc->sysctl_ctx);
178 return (ENXIO);
179 }
180
105 {"lcd_brightness", hkey_lcd_brightness},
106 {"sound_mute", hkey_sound_mute},
107 {NULL, NULL}
108};
109
110static device_method_t acpi_panasonic_methods[] = {
111 DEVMETHOD(device_probe, acpi_panasonic_probe),
112 DEVMETHOD(device_attach, acpi_panasonic_attach),

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183 acpi_panasonic_notify, sc);
184 if (ACPI_FAILURE(status)) {
185 device_printf(dev, "couldn't install notify handler - %s\n",
186 AcpiFormatException(status));
187 sysctl_ctx_free(&sc->sysctl_ctx);
188 return (ENXIO);
189 }
190
191 /* Install power profile event handler */
192 sc->power_evh = EVENTHANDLER_REGISTER(power_profile_change,
193 acpi_panasonic_power_profile, sc->handle, 0);
194
181 return (0);
182}
183
184static int
185acpi_panasonic_detach(device_t dev)
186{
187 struct acpi_panasonic_softc *sc;
188
189 sc = device_get_softc(dev);
190
195 return (0);
196}
197
198static int
199acpi_panasonic_detach(device_t dev)
200{
201 struct acpi_panasonic_softc *sc;
202
203 sc = device_get_softc(dev);
204
205 /* Remove power profile event handler */
206 EVENTHANDLER_DEREGISTER(power_profile_change, sc->power_evh);
207
191 /* Remove notify handler */
192 AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
193 acpi_panasonic_notify);
194
195 /* Free sysctl tree */
196 sysctl_ctx_free(&sc->sysctl_ctx);
197
198 return (0);

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263 args.Count = 2;
264 args.Pointer = obj;
265 AcpiEvaluateObject(h, "SSET", &args, NULL);
266}
267
268static int
269hkey_lcd_brightness_max(ACPI_HANDLE h, int op, UINT32 *val)
270{
208 /* Remove notify handler */
209 AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
210 acpi_panasonic_notify);
211
212 /* Free sysctl tree */
213 sysctl_ctx_free(&sc->sysctl_ctx);
214
215 return (0);

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280 args.Count = 2;
281 args.Pointer = obj;
282 AcpiEvaluateObject(h, "SSET", &args, NULL);
283}
284
285static int
286hkey_lcd_brightness_max(ACPI_HANDLE h, int op, UINT32 *val)
287{
288 int reg;
271
272 ACPI_SERIAL_ASSERT(panasonic);
289
290 ACPI_SERIAL_ASSERT(panasonic);
291 reg = (power_profile_get_state() == POWER_PROFILE_PERFORMANCE) ?
292 HKEY_REG_LCD_BRIGHTNESS_MAX_AC : HKEY_REG_LCD_BRIGHTNESS_MAX_DC;
293
273 switch (op) {
274 case HKEY_SET:
294 switch (op) {
295 case HKEY_SET:
275 if (*val < 0 || *val > 255)
276 return (EINVAL);
277 lcd_brightness_max = *val;
296 return (EPERM);
278 break;
279 case HKEY_GET:
297 break;
298 case HKEY_GET:
280 *val = lcd_brightness_max;
299 *val = acpi_panasonic_sinf(h, reg);
281 break;
282 }
283
284 return (0);
285}
286
287static int
300 break;
301 }
302
303 return (0);
304}
305
306static int
307hkey_lcd_brightness_min(ACPI_HANDLE h, int op, UINT32 *val)
308{
309 int reg;
310
311 ACPI_SERIAL_ASSERT(panasonic);
312 reg = (power_profile_get_state() == POWER_PROFILE_PERFORMANCE) ?
313 HKEY_REG_LCD_BRIGHTNESS_MIN_AC : HKEY_REG_LCD_BRIGHTNESS_MIN_DC;
314
315 switch (op) {
316 case HKEY_SET:
317 return (EPERM);
318 break;
319 case HKEY_GET:
320 *val = acpi_panasonic_sinf(h, reg);
321 break;
322 }
323
324 return (0);
325}
326
327static int
288hkey_lcd_brightness(ACPI_HANDLE h, int op, UINT32 *val)
289{
328hkey_lcd_brightness(ACPI_HANDLE h, int op, UINT32 *val)
329{
330 int reg;
331 UINT32 max, min;
290
332
333 reg = (power_profile_get_state() == POWER_PROFILE_PERFORMANCE) ?
334 HKEY_REG_LCD_BRIGHTNESS_AC : HKEY_REG_LCD_BRIGHTNESS_DC;
335
291 ACPI_SERIAL_ASSERT(panasonic);
292 switch (op) {
293 case HKEY_SET:
336 ACPI_SERIAL_ASSERT(panasonic);
337 switch (op) {
338 case HKEY_SET:
294 if (*val < 0 || *val > lcd_brightness_max)
339 hkey_lcd_brightness_max(h, HKEY_GET, &max);
340 hkey_lcd_brightness_min(h, HKEY_GET, &min);
341 if (*val < min || *val > max)
295 return (EINVAL);
342 return (EINVAL);
296 acpi_panasonic_sset(h, HKEY_REG_LCD_BRIGHTNESS, *val);
343 acpi_panasonic_sset(h, reg, *val);
297 break;
298 case HKEY_GET:
344 break;
345 case HKEY_GET:
299 *val = acpi_panasonic_sinf(h, HKEY_REG_LCD_BRIGHTNESS);
346 *val = acpi_panasonic_sinf(h, reg);
300 break;
301 }
302
303 return (0);
304}
305
306static int
307hkey_sound_mute(ACPI_HANDLE h, int op, UINT32 *val)

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358
359 return (status);
360}
361
362static void
363acpi_panasonic_hkey_action(struct acpi_panasonic_softc *sc, ACPI_HANDLE h,
364 UINT32 key)
365{
347 break;
348 }
349
350 return (0);
351}
352
353static int
354hkey_sound_mute(ACPI_HANDLE h, int op, UINT32 *val)

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405
406 return (status);
407}
408
409static void
410acpi_panasonic_hkey_action(struct acpi_panasonic_softc *sc, ACPI_HANDLE h,
411 UINT32 key)
412{
366 int arg;
413 int arg, max, min;
367
368 ACPI_SERIAL_ASSERT(panasonic);
369 switch (key) {
370 case 1:
371 /* Decrease LCD brightness. */
414
415 ACPI_SERIAL_ASSERT(panasonic);
416 switch (key) {
417 case 1:
418 /* Decrease LCD brightness. */
419 hkey_lcd_brightness_max(h, HKEY_GET, &max);
420 hkey_lcd_brightness_min(h, HKEY_GET, &min);
372 hkey_lcd_brightness(h, HKEY_GET, &arg);
421 hkey_lcd_brightness(h, HKEY_GET, &arg);
373 arg -= lcd_brightness_max / HKEY_LCD_BRIGHTNESS_DIV;
374 if (arg < 0)
375 arg = 0;
376 else if (arg > lcd_brightness_max)
377 arg = lcd_brightness_max;
422 arg -= max / HKEY_LCD_BRIGHTNESS_DIV;
423 if (arg < min)
424 arg = min;
425 else if (arg > max)
426 arg = max;
378 hkey_lcd_brightness(h, HKEY_SET, &arg);
379 break;
380 case 2:
381 /* Increase LCD brightness. */
427 hkey_lcd_brightness(h, HKEY_SET, &arg);
428 break;
429 case 2:
430 /* Increase LCD brightness. */
431 hkey_lcd_brightness_max(h, HKEY_GET, &max);
432 hkey_lcd_brightness_min(h, HKEY_GET, &min);
382 hkey_lcd_brightness(h, HKEY_GET, &arg);
433 hkey_lcd_brightness(h, HKEY_GET, &arg);
383 arg += lcd_brightness_max / HKEY_LCD_BRIGHTNESS_DIV;
384 if (arg < 0)
385 arg = 0;
386 else if (arg > lcd_brightness_max)
387 arg = lcd_brightness_max;
434 arg += max / HKEY_LCD_BRIGHTNESS_DIV;
435 if (arg < min)
436 arg = min;
437 else if (arg > max)
438 arg = max;
388 hkey_lcd_brightness(h, HKEY_SET, &arg);
389 break;
390 case 4:
391 /* Toggle sound mute. */
392 hkey_sound_mute(h, HKEY_GET, &arg);
393 if (arg)
394 arg = 0;
395 else

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416 }
417 ACPI_SERIAL_END(panasonic);
418 break;
419 default:
420 device_printf(sc->dev, "unknown notify: %#x\n", notify);
421 break;
422 }
423}
439 hkey_lcd_brightness(h, HKEY_SET, &arg);
440 break;
441 case 4:
442 /* Toggle sound mute. */
443 hkey_sound_mute(h, HKEY_GET, &arg);
444 if (arg)
445 arg = 0;
446 else

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467 }
468 ACPI_SERIAL_END(panasonic);
469 break;
470 default:
471 device_printf(sc->dev, "unknown notify: %#x\n", notify);
472 break;
473 }
474}
475
476static void
477acpi_panasonic_power_profile(void *arg)
478{
479 ACPI_HANDLE handle;
480 UINT32 brightness;
481
482 handle = (ACPI_HANDLE)arg;
483
484 /* Reset current brightness according to new power state. */
485 ACPI_SERIAL_BEGIN(panasonic);
486 hkey_lcd_brightness(handle, HKEY_GET, &brightness);
487 hkey_lcd_brightness(handle, HKEY_SET, &brightness);
488 ACPI_SERIAL_END(panasonic);
489}