41#include <dev/acpica/acpivar.h>
42
43#define _COMPONENT ACPI_OEM
44ACPI_MODULE_NAME("Panasonic")
45
46/* Debug */
47#undef ACPI_PANASONIC_DEBUG
48
49/* Operations */
50#define HKEY_SET 0
51#define HKEY_GET 1
52
53/* Functions */
54#define HKEY_REG_LCD_BRIGHTNESS_MAX_AC 0x02
55#define HKEY_REG_LCD_BRIGHTNESS_MIN_AC 0x03
56#define HKEY_REG_LCD_BRIGHTNESS_AC 0x04
57#define HKEY_REG_LCD_BRIGHTNESS_MAX_DC 0x05
58#define HKEY_REG_LCD_BRIGHTNESS_MIN_DC 0x06
59#define HKEY_REG_LCD_BRIGHTNESS_DC 0x07
60#define HKEY_REG_SOUND_MUTE 0x08
61
62/* Field definitions */
63#define HKEY_LCD_BRIGHTNESS_BITS 4
64#define HKEY_LCD_BRIGHTNESS_DIV ((1 << HKEY_LCD_BRIGHTNESS_BITS) - 1)
65
66struct acpi_panasonic_softc {
67 device_t dev;
68 ACPI_HANDLE handle;
69
70 struct sysctl_ctx_list sysctl_ctx;
71 struct sysctl_oid *sysctl_tree;
72
73 eventhandler_tag power_evh;
74};
75
76/* Prototype for HKEY functions for getting/setting a value. */
77typedef int hkey_fn_t(ACPI_HANDLE, int, UINT32 *);
78
79static int acpi_panasonic_probe(device_t dev);
80static int acpi_panasonic_attach(device_t dev);
81static int acpi_panasonic_detach(device_t dev);
82static int acpi_panasonic_sysctl(SYSCTL_HANDLER_ARGS);
83static ACPI_INTEGER acpi_panasonic_sinf(ACPI_HANDLE h, ACPI_INTEGER index);
84static void acpi_panasonic_sset(ACPI_HANDLE h, ACPI_INTEGER index,
85 ACPI_INTEGER val);
86static int acpi_panasonic_hkey_event(struct acpi_panasonic_softc *sc,
87 ACPI_HANDLE h, UINT32 *arg);
88static void acpi_panasonic_hkey_action(struct acpi_panasonic_softc *sc,
89 ACPI_HANDLE h, UINT32 key);
90static void acpi_panasonic_notify(ACPI_HANDLE h, UINT32 notify,
91 void *context);
92static void acpi_panasonic_power_profile(void *arg);
93
94static hkey_fn_t hkey_lcd_brightness_max;
95static hkey_fn_t hkey_lcd_brightness_min;
96static hkey_fn_t hkey_lcd_brightness;
97static hkey_fn_t hkey_sound_mute;
98ACPI_SERIAL_DECL(panasonic, "ACPI Panasonic extras");
99
100/* Table of sysctl names and HKEY functions to call. */
101static struct {
102 char *name;
103 hkey_fn_t *handler;
104} sysctl_table[] = {
105 /* name, handler */
106 {"lcd_brightness_max", hkey_lcd_brightness_max},
107 {"lcd_brightness_min", hkey_lcd_brightness_min},
108 {"lcd_brightness", hkey_lcd_brightness},
109 {"sound_mute", hkey_sound_mute},
110 {NULL, NULL}
111};
112
113static device_method_t acpi_panasonic_methods[] = {
114 DEVMETHOD(device_probe, acpi_panasonic_probe),
115 DEVMETHOD(device_attach, acpi_panasonic_attach),
116 DEVMETHOD(device_detach, acpi_panasonic_detach),
117
118 {0, 0}
119};
120
121static driver_t acpi_panasonic_driver = {
122 "acpi_panasonic",
123 acpi_panasonic_methods,
124 sizeof(struct acpi_panasonic_softc),
125};
126
127static devclass_t acpi_panasonic_devclass;
128
129DRIVER_MODULE(acpi_panasonic, acpi, acpi_panasonic_driver,
130 acpi_panasonic_devclass, 0, 0);
131MODULE_DEPEND(acpi_panasonic, acpi, 1, 1, 1);
132
133static int
134acpi_panasonic_probe(device_t dev)
135{
136 static char *mat_ids[] = { "MAT0019", NULL };
137
138 if (acpi_disabled("panasonic") ||
139 ACPI_ID_PROBE(device_get_parent(dev), dev, mat_ids) == NULL ||
140 device_get_unit(dev) != 0)
141 return (ENXIO);
142
143 device_set_desc(dev, "Panasonic Notebook Hotkeys");
144 return (0);
145}
146
147static int
148acpi_panasonic_attach(device_t dev)
149{
150 struct acpi_panasonic_softc *sc;
151 struct acpi_softc *acpi_sc;
152 ACPI_STATUS status;
153 int i;
154
155 sc = device_get_softc(dev);
156 sc->dev = dev;
157 sc->handle = acpi_get_handle(dev);
158
159 acpi_sc = acpi_device_get_parent_softc(dev);
160
161 /* Build sysctl tree */
162 sysctl_ctx_init(&sc->sysctl_ctx);
163 sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
164 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO,
165 "panasonic", CTLFLAG_RD, 0, "");
166 for (i = 0; sysctl_table[i].name != NULL; i++) {
167 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
168 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
169 sysctl_table[i].name,
170 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY,
171 sc, i, acpi_panasonic_sysctl, "I", "");
172 }
173
174#if 0
175 /* Activate hotkeys */
176 status = AcpiEvaluateObject(sc->handle, "", NULL, NULL);
177 if (ACPI_FAILURE(status)) {
178 device_printf(dev, "enable FN keys failed\n");
179 sysctl_ctx_free(&sc->sysctl_ctx);
180 return (ENXIO);
181 }
182#endif
183
184 /* Handle notifies */
185 status = AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
186 acpi_panasonic_notify, sc);
187 if (ACPI_FAILURE(status)) {
188 device_printf(dev, "couldn't install notify handler - %s\n",
189 AcpiFormatException(status));
190 sysctl_ctx_free(&sc->sysctl_ctx);
191 return (ENXIO);
192 }
193
194 /* Install power profile event handler */
195 sc->power_evh = EVENTHANDLER_REGISTER(power_profile_change,
196 acpi_panasonic_power_profile, sc->handle, 0);
197
198 return (0);
199}
200
201static int
202acpi_panasonic_detach(device_t dev)
203{
204 struct acpi_panasonic_softc *sc;
205
206 sc = device_get_softc(dev);
207
208 /* Remove power profile event handler */
209 EVENTHANDLER_DEREGISTER(power_profile_change, sc->power_evh);
210
211 /* Remove notify handler */
212 AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
213 acpi_panasonic_notify);
214
215 /* Free sysctl tree */
216 sysctl_ctx_free(&sc->sysctl_ctx);
217
218 return (0);
219}
220
221static int
222acpi_panasonic_sysctl(SYSCTL_HANDLER_ARGS)
223{
224 struct acpi_panasonic_softc *sc;
225 UINT32 arg;
226 int function, error;
227 hkey_fn_t *handler;
228
229 sc = (struct acpi_panasonic_softc *)oidp->oid_arg1;
230 function = oidp->oid_arg2;
231 handler = sysctl_table[function].handler;
232
233 /* Get the current value from the appropriate function. */
234 ACPI_SERIAL_BEGIN(panasonic);
235 error = handler(sc->handle, HKEY_GET, &arg);
236 if (error != 0)
237 goto out;
238
239 /* Send the current value to the user and return if no new value. */
240 error = sysctl_handle_int(oidp, &arg, 0, req);
241 if (error != 0 || req->newptr == NULL)
242 goto out;
243
244 /* Set the new value via the appropriate function. */
245 error = handler(sc->handle, HKEY_SET, &arg);
246
247out:
248 ACPI_SERIAL_END(panasonic);
249 return (error);
250}
251
252static ACPI_INTEGER
253acpi_panasonic_sinf(ACPI_HANDLE h, ACPI_INTEGER index)
254{
255 ACPI_BUFFER buf;
256 ACPI_OBJECT *res;
257 ACPI_INTEGER ret;
258
259 ACPI_SERIAL_ASSERT(panasonic);
260 ret = -1;
261 buf.Length = ACPI_ALLOCATE_BUFFER;
262 buf.Pointer = NULL;
263 AcpiEvaluateObject(h, "SINF", NULL, &buf);
264 res = (ACPI_OBJECT *)buf.Pointer;
265 if (res->Type == ACPI_TYPE_PACKAGE)
266 ret = res->Package.Elements[index].Integer.Value;
267 AcpiOsFree(buf.Pointer);
268
269 return (ret);
270}
271
272static void
273acpi_panasonic_sset(ACPI_HANDLE h, ACPI_INTEGER index, ACPI_INTEGER val)
274{
275 ACPI_OBJECT_LIST args;
276 ACPI_OBJECT obj[2];
277
278 ACPI_SERIAL_ASSERT(panasonic);
279 obj[0].Type = ACPI_TYPE_INTEGER;
280 obj[0].Integer.Value = index;
281 obj[1].Type = ACPI_TYPE_INTEGER;
282 obj[1].Integer.Value = val;
283 args.Count = 2;
284 args.Pointer = obj;
285 AcpiEvaluateObject(h, "SSET", &args, NULL);
286}
287
288static int
289hkey_lcd_brightness_max(ACPI_HANDLE h, int op, UINT32 *val)
290{
291 int reg;
292
293 ACPI_SERIAL_ASSERT(panasonic);
294 reg = (power_profile_get_state() == POWER_PROFILE_PERFORMANCE) ?
295 HKEY_REG_LCD_BRIGHTNESS_MAX_AC : HKEY_REG_LCD_BRIGHTNESS_MAX_DC;
296
297 switch (op) {
298 case HKEY_SET:
299 return (EPERM);
300 break;
301 case HKEY_GET:
302 *val = acpi_panasonic_sinf(h, reg);
303 break;
304 }
305
306 return (0);
307}
308
309static int
310hkey_lcd_brightness_min(ACPI_HANDLE h, int op, UINT32 *val)
311{
312 int reg;
313
314 ACPI_SERIAL_ASSERT(panasonic);
315 reg = (power_profile_get_state() == POWER_PROFILE_PERFORMANCE) ?
316 HKEY_REG_LCD_BRIGHTNESS_MIN_AC : HKEY_REG_LCD_BRIGHTNESS_MIN_DC;
317
318 switch (op) {
319 case HKEY_SET:
320 return (EPERM);
321 break;
322 case HKEY_GET:
323 *val = acpi_panasonic_sinf(h, reg);
324 break;
325 }
326
327 return (0);
328}
329
330static int
331hkey_lcd_brightness(ACPI_HANDLE h, int op, UINT32 *val)
332{
333 int reg;
334 UINT32 max, min;
335
336 reg = (power_profile_get_state() == POWER_PROFILE_PERFORMANCE) ?
337 HKEY_REG_LCD_BRIGHTNESS_AC : HKEY_REG_LCD_BRIGHTNESS_DC;
338
339 ACPI_SERIAL_ASSERT(panasonic);
340 switch (op) {
341 case HKEY_SET:
342 hkey_lcd_brightness_max(h, HKEY_GET, &max);
343 hkey_lcd_brightness_min(h, HKEY_GET, &min);
344 if (*val < min || *val > max)
345 return (EINVAL);
346 acpi_panasonic_sset(h, reg, *val);
347 break;
348 case HKEY_GET:
349 *val = acpi_panasonic_sinf(h, reg);
350 break;
351 }
352
353 return (0);
354}
355
356static int
357hkey_sound_mute(ACPI_HANDLE h, int op, UINT32 *val)
358{
359
360 ACPI_SERIAL_ASSERT(panasonic);
361 switch (op) {
362 case HKEY_SET:
363 if (*val != 0 && *val != 1)
364 return (EINVAL);
365 acpi_panasonic_sset(h, HKEY_REG_SOUND_MUTE, *val);
366 break;
367 case HKEY_GET:
368 *val = acpi_panasonic_sinf(h, HKEY_REG_SOUND_MUTE);
369 break;
370 }
371
372 return (0);
373}
374
375static int
376acpi_panasonic_hkey_event(struct acpi_panasonic_softc *sc, ACPI_HANDLE h,
377 UINT32 *arg)
378{
379 ACPI_BUFFER buf;
380 ACPI_OBJECT *res;
381 ACPI_INTEGER val;
382 int status;
383
384 ACPI_SERIAL_ASSERT(panasonic);
385 status = ENXIO;
386
387 buf.Length = ACPI_ALLOCATE_BUFFER;
388 buf.Pointer = NULL;
389 AcpiEvaluateObject(h, "HINF", NULL, &buf);
390 res = (ACPI_OBJECT *)buf.Pointer;
391 if (res->Type != ACPI_TYPE_INTEGER) {
392 device_printf(sc->dev, "HINF returned non-integer\n");
393 goto end;
394 }
395 val = res->Integer.Value;
396#ifdef ACPI_PANASONIC_DEBUG
397 device_printf(sc->dev, "%s button Fn+F%d\n",
398 (val & 0x80) ? "Pressed" : "Released",
399 (int)(val & 0x7f));
400#endif
401 if ((val & 0x7f) > 0 && (val & 0x7f) < 11) {
402 *arg = val;
403 status = 0;
404 }
405end:
406 if (buf.Pointer)
407 AcpiOsFree(buf.Pointer);
408
409 return (status);
410}
411
412static void
413acpi_panasonic_hkey_action(struct acpi_panasonic_softc *sc, ACPI_HANDLE h,
414 UINT32 key)
415{
416 int arg, max, min;
417
418 ACPI_SERIAL_ASSERT(panasonic);
419 switch (key) {
420 case 1:
421 /* Decrease LCD brightness. */
422 hkey_lcd_brightness_max(h, HKEY_GET, &max);
423 hkey_lcd_brightness_min(h, HKEY_GET, &min);
424 hkey_lcd_brightness(h, HKEY_GET, &arg);
425 arg -= max / HKEY_LCD_BRIGHTNESS_DIV;
426 if (arg < min)
427 arg = min;
428 else if (arg > max)
429 arg = max;
430 hkey_lcd_brightness(h, HKEY_SET, &arg);
431 break;
432 case 2:
433 /* Increase LCD brightness. */
434 hkey_lcd_brightness_max(h, HKEY_GET, &max);
435 hkey_lcd_brightness_min(h, HKEY_GET, &min);
436 hkey_lcd_brightness(h, HKEY_GET, &arg);
437 arg += max / HKEY_LCD_BRIGHTNESS_DIV;
438 if (arg < min)
439 arg = min;
440 else if (arg > max)
441 arg = max;
442 hkey_lcd_brightness(h, HKEY_SET, &arg);
443 break;
444 case 4:
445 /* Toggle sound mute. */
446 hkey_sound_mute(h, HKEY_GET, &arg);
447 if (arg)
448 arg = 0;
449 else
450 arg = 1;
451 hkey_sound_mute(h, HKEY_SET, &arg);
452 break;
453 }
454}
455
456static void
457acpi_panasonic_notify(ACPI_HANDLE h, UINT32 notify, void *context)
458{
459 struct acpi_panasonic_softc *sc;
460 UINT32 key;
461
462 sc = (struct acpi_panasonic_softc *)context;
463
464 switch (notify) {
465 case 0x80:
466 ACPI_SERIAL_BEGIN(panasonic);
467 if (acpi_panasonic_hkey_event(sc, h, &key) == 0) {
468 acpi_panasonic_hkey_action(sc, h, key);
469 acpi_UserNotify("Panasonic", h, (uint8_t)key);
470 }
471 ACPI_SERIAL_END(panasonic);
472 break;
473 default:
474 device_printf(sc->dev, "unknown notify: %#x\n", notify);
475 break;
476 }
477}
478
479static void
480acpi_panasonic_power_profile(void *arg)
481{
482 ACPI_HANDLE handle;
483 UINT32 brightness;
484
485 handle = (ACPI_HANDLE)arg;
486
487 /* Reset current brightness according to new power state. */
488 ACPI_SERIAL_BEGIN(panasonic);
489 hkey_lcd_brightness(handle, HKEY_GET, &brightness);
490 hkey_lcd_brightness(handle, HKEY_SET, &brightness);
491 ACPI_SERIAL_END(panasonic);
492}
| 41#include <dev/acpica/acpivar.h>
42
43#define _COMPONENT ACPI_OEM
44ACPI_MODULE_NAME("Panasonic")
45
46/* Debug */
47#undef ACPI_PANASONIC_DEBUG
48
49/* Operations */
50#define HKEY_SET 0
51#define HKEY_GET 1
52
53/* Functions */
54#define HKEY_REG_LCD_BRIGHTNESS_MAX_AC 0x02
55#define HKEY_REG_LCD_BRIGHTNESS_MIN_AC 0x03
56#define HKEY_REG_LCD_BRIGHTNESS_AC 0x04
57#define HKEY_REG_LCD_BRIGHTNESS_MAX_DC 0x05
58#define HKEY_REG_LCD_BRIGHTNESS_MIN_DC 0x06
59#define HKEY_REG_LCD_BRIGHTNESS_DC 0x07
60#define HKEY_REG_SOUND_MUTE 0x08
61
62/* Field definitions */
63#define HKEY_LCD_BRIGHTNESS_BITS 4
64#define HKEY_LCD_BRIGHTNESS_DIV ((1 << HKEY_LCD_BRIGHTNESS_BITS) - 1)
65
66struct acpi_panasonic_softc {
67 device_t dev;
68 ACPI_HANDLE handle;
69
70 struct sysctl_ctx_list sysctl_ctx;
71 struct sysctl_oid *sysctl_tree;
72
73 eventhandler_tag power_evh;
74};
75
76/* Prototype for HKEY functions for getting/setting a value. */
77typedef int hkey_fn_t(ACPI_HANDLE, int, UINT32 *);
78
79static int acpi_panasonic_probe(device_t dev);
80static int acpi_panasonic_attach(device_t dev);
81static int acpi_panasonic_detach(device_t dev);
82static int acpi_panasonic_sysctl(SYSCTL_HANDLER_ARGS);
83static ACPI_INTEGER acpi_panasonic_sinf(ACPI_HANDLE h, ACPI_INTEGER index);
84static void acpi_panasonic_sset(ACPI_HANDLE h, ACPI_INTEGER index,
85 ACPI_INTEGER val);
86static int acpi_panasonic_hkey_event(struct acpi_panasonic_softc *sc,
87 ACPI_HANDLE h, UINT32 *arg);
88static void acpi_panasonic_hkey_action(struct acpi_panasonic_softc *sc,
89 ACPI_HANDLE h, UINT32 key);
90static void acpi_panasonic_notify(ACPI_HANDLE h, UINT32 notify,
91 void *context);
92static void acpi_panasonic_power_profile(void *arg);
93
94static hkey_fn_t hkey_lcd_brightness_max;
95static hkey_fn_t hkey_lcd_brightness_min;
96static hkey_fn_t hkey_lcd_brightness;
97static hkey_fn_t hkey_sound_mute;
98ACPI_SERIAL_DECL(panasonic, "ACPI Panasonic extras");
99
100/* Table of sysctl names and HKEY functions to call. */
101static struct {
102 char *name;
103 hkey_fn_t *handler;
104} sysctl_table[] = {
105 /* name, handler */
106 {"lcd_brightness_max", hkey_lcd_brightness_max},
107 {"lcd_brightness_min", hkey_lcd_brightness_min},
108 {"lcd_brightness", hkey_lcd_brightness},
109 {"sound_mute", hkey_sound_mute},
110 {NULL, NULL}
111};
112
113static device_method_t acpi_panasonic_methods[] = {
114 DEVMETHOD(device_probe, acpi_panasonic_probe),
115 DEVMETHOD(device_attach, acpi_panasonic_attach),
116 DEVMETHOD(device_detach, acpi_panasonic_detach),
117
118 {0, 0}
119};
120
121static driver_t acpi_panasonic_driver = {
122 "acpi_panasonic",
123 acpi_panasonic_methods,
124 sizeof(struct acpi_panasonic_softc),
125};
126
127static devclass_t acpi_panasonic_devclass;
128
129DRIVER_MODULE(acpi_panasonic, acpi, acpi_panasonic_driver,
130 acpi_panasonic_devclass, 0, 0);
131MODULE_DEPEND(acpi_panasonic, acpi, 1, 1, 1);
132
133static int
134acpi_panasonic_probe(device_t dev)
135{
136 static char *mat_ids[] = { "MAT0019", NULL };
137
138 if (acpi_disabled("panasonic") ||
139 ACPI_ID_PROBE(device_get_parent(dev), dev, mat_ids) == NULL ||
140 device_get_unit(dev) != 0)
141 return (ENXIO);
142
143 device_set_desc(dev, "Panasonic Notebook Hotkeys");
144 return (0);
145}
146
147static int
148acpi_panasonic_attach(device_t dev)
149{
150 struct acpi_panasonic_softc *sc;
151 struct acpi_softc *acpi_sc;
152 ACPI_STATUS status;
153 int i;
154
155 sc = device_get_softc(dev);
156 sc->dev = dev;
157 sc->handle = acpi_get_handle(dev);
158
159 acpi_sc = acpi_device_get_parent_softc(dev);
160
161 /* Build sysctl tree */
162 sysctl_ctx_init(&sc->sysctl_ctx);
163 sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
164 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO,
165 "panasonic", CTLFLAG_RD, 0, "");
166 for (i = 0; sysctl_table[i].name != NULL; i++) {
167 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
168 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
169 sysctl_table[i].name,
170 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY,
171 sc, i, acpi_panasonic_sysctl, "I", "");
172 }
173
174#if 0
175 /* Activate hotkeys */
176 status = AcpiEvaluateObject(sc->handle, "", NULL, NULL);
177 if (ACPI_FAILURE(status)) {
178 device_printf(dev, "enable FN keys failed\n");
179 sysctl_ctx_free(&sc->sysctl_ctx);
180 return (ENXIO);
181 }
182#endif
183
184 /* Handle notifies */
185 status = AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
186 acpi_panasonic_notify, sc);
187 if (ACPI_FAILURE(status)) {
188 device_printf(dev, "couldn't install notify handler - %s\n",
189 AcpiFormatException(status));
190 sysctl_ctx_free(&sc->sysctl_ctx);
191 return (ENXIO);
192 }
193
194 /* Install power profile event handler */
195 sc->power_evh = EVENTHANDLER_REGISTER(power_profile_change,
196 acpi_panasonic_power_profile, sc->handle, 0);
197
198 return (0);
199}
200
201static int
202acpi_panasonic_detach(device_t dev)
203{
204 struct acpi_panasonic_softc *sc;
205
206 sc = device_get_softc(dev);
207
208 /* Remove power profile event handler */
209 EVENTHANDLER_DEREGISTER(power_profile_change, sc->power_evh);
210
211 /* Remove notify handler */
212 AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
213 acpi_panasonic_notify);
214
215 /* Free sysctl tree */
216 sysctl_ctx_free(&sc->sysctl_ctx);
217
218 return (0);
219}
220
221static int
222acpi_panasonic_sysctl(SYSCTL_HANDLER_ARGS)
223{
224 struct acpi_panasonic_softc *sc;
225 UINT32 arg;
226 int function, error;
227 hkey_fn_t *handler;
228
229 sc = (struct acpi_panasonic_softc *)oidp->oid_arg1;
230 function = oidp->oid_arg2;
231 handler = sysctl_table[function].handler;
232
233 /* Get the current value from the appropriate function. */
234 ACPI_SERIAL_BEGIN(panasonic);
235 error = handler(sc->handle, HKEY_GET, &arg);
236 if (error != 0)
237 goto out;
238
239 /* Send the current value to the user and return if no new value. */
240 error = sysctl_handle_int(oidp, &arg, 0, req);
241 if (error != 0 || req->newptr == NULL)
242 goto out;
243
244 /* Set the new value via the appropriate function. */
245 error = handler(sc->handle, HKEY_SET, &arg);
246
247out:
248 ACPI_SERIAL_END(panasonic);
249 return (error);
250}
251
252static ACPI_INTEGER
253acpi_panasonic_sinf(ACPI_HANDLE h, ACPI_INTEGER index)
254{
255 ACPI_BUFFER buf;
256 ACPI_OBJECT *res;
257 ACPI_INTEGER ret;
258
259 ACPI_SERIAL_ASSERT(panasonic);
260 ret = -1;
261 buf.Length = ACPI_ALLOCATE_BUFFER;
262 buf.Pointer = NULL;
263 AcpiEvaluateObject(h, "SINF", NULL, &buf);
264 res = (ACPI_OBJECT *)buf.Pointer;
265 if (res->Type == ACPI_TYPE_PACKAGE)
266 ret = res->Package.Elements[index].Integer.Value;
267 AcpiOsFree(buf.Pointer);
268
269 return (ret);
270}
271
272static void
273acpi_panasonic_sset(ACPI_HANDLE h, ACPI_INTEGER index, ACPI_INTEGER val)
274{
275 ACPI_OBJECT_LIST args;
276 ACPI_OBJECT obj[2];
277
278 ACPI_SERIAL_ASSERT(panasonic);
279 obj[0].Type = ACPI_TYPE_INTEGER;
280 obj[0].Integer.Value = index;
281 obj[1].Type = ACPI_TYPE_INTEGER;
282 obj[1].Integer.Value = val;
283 args.Count = 2;
284 args.Pointer = obj;
285 AcpiEvaluateObject(h, "SSET", &args, NULL);
286}
287
288static int
289hkey_lcd_brightness_max(ACPI_HANDLE h, int op, UINT32 *val)
290{
291 int reg;
292
293 ACPI_SERIAL_ASSERT(panasonic);
294 reg = (power_profile_get_state() == POWER_PROFILE_PERFORMANCE) ?
295 HKEY_REG_LCD_BRIGHTNESS_MAX_AC : HKEY_REG_LCD_BRIGHTNESS_MAX_DC;
296
297 switch (op) {
298 case HKEY_SET:
299 return (EPERM);
300 break;
301 case HKEY_GET:
302 *val = acpi_panasonic_sinf(h, reg);
303 break;
304 }
305
306 return (0);
307}
308
309static int
310hkey_lcd_brightness_min(ACPI_HANDLE h, int op, UINT32 *val)
311{
312 int reg;
313
314 ACPI_SERIAL_ASSERT(panasonic);
315 reg = (power_profile_get_state() == POWER_PROFILE_PERFORMANCE) ?
316 HKEY_REG_LCD_BRIGHTNESS_MIN_AC : HKEY_REG_LCD_BRIGHTNESS_MIN_DC;
317
318 switch (op) {
319 case HKEY_SET:
320 return (EPERM);
321 break;
322 case HKEY_GET:
323 *val = acpi_panasonic_sinf(h, reg);
324 break;
325 }
326
327 return (0);
328}
329
330static int
331hkey_lcd_brightness(ACPI_HANDLE h, int op, UINT32 *val)
332{
333 int reg;
334 UINT32 max, min;
335
336 reg = (power_profile_get_state() == POWER_PROFILE_PERFORMANCE) ?
337 HKEY_REG_LCD_BRIGHTNESS_AC : HKEY_REG_LCD_BRIGHTNESS_DC;
338
339 ACPI_SERIAL_ASSERT(panasonic);
340 switch (op) {
341 case HKEY_SET:
342 hkey_lcd_brightness_max(h, HKEY_GET, &max);
343 hkey_lcd_brightness_min(h, HKEY_GET, &min);
344 if (*val < min || *val > max)
345 return (EINVAL);
346 acpi_panasonic_sset(h, reg, *val);
347 break;
348 case HKEY_GET:
349 *val = acpi_panasonic_sinf(h, reg);
350 break;
351 }
352
353 return (0);
354}
355
356static int
357hkey_sound_mute(ACPI_HANDLE h, int op, UINT32 *val)
358{
359
360 ACPI_SERIAL_ASSERT(panasonic);
361 switch (op) {
362 case HKEY_SET:
363 if (*val != 0 && *val != 1)
364 return (EINVAL);
365 acpi_panasonic_sset(h, HKEY_REG_SOUND_MUTE, *val);
366 break;
367 case HKEY_GET:
368 *val = acpi_panasonic_sinf(h, HKEY_REG_SOUND_MUTE);
369 break;
370 }
371
372 return (0);
373}
374
375static int
376acpi_panasonic_hkey_event(struct acpi_panasonic_softc *sc, ACPI_HANDLE h,
377 UINT32 *arg)
378{
379 ACPI_BUFFER buf;
380 ACPI_OBJECT *res;
381 ACPI_INTEGER val;
382 int status;
383
384 ACPI_SERIAL_ASSERT(panasonic);
385 status = ENXIO;
386
387 buf.Length = ACPI_ALLOCATE_BUFFER;
388 buf.Pointer = NULL;
389 AcpiEvaluateObject(h, "HINF", NULL, &buf);
390 res = (ACPI_OBJECT *)buf.Pointer;
391 if (res->Type != ACPI_TYPE_INTEGER) {
392 device_printf(sc->dev, "HINF returned non-integer\n");
393 goto end;
394 }
395 val = res->Integer.Value;
396#ifdef ACPI_PANASONIC_DEBUG
397 device_printf(sc->dev, "%s button Fn+F%d\n",
398 (val & 0x80) ? "Pressed" : "Released",
399 (int)(val & 0x7f));
400#endif
401 if ((val & 0x7f) > 0 && (val & 0x7f) < 11) {
402 *arg = val;
403 status = 0;
404 }
405end:
406 if (buf.Pointer)
407 AcpiOsFree(buf.Pointer);
408
409 return (status);
410}
411
412static void
413acpi_panasonic_hkey_action(struct acpi_panasonic_softc *sc, ACPI_HANDLE h,
414 UINT32 key)
415{
416 int arg, max, min;
417
418 ACPI_SERIAL_ASSERT(panasonic);
419 switch (key) {
420 case 1:
421 /* Decrease LCD brightness. */
422 hkey_lcd_brightness_max(h, HKEY_GET, &max);
423 hkey_lcd_brightness_min(h, HKEY_GET, &min);
424 hkey_lcd_brightness(h, HKEY_GET, &arg);
425 arg -= max / HKEY_LCD_BRIGHTNESS_DIV;
426 if (arg < min)
427 arg = min;
428 else if (arg > max)
429 arg = max;
430 hkey_lcd_brightness(h, HKEY_SET, &arg);
431 break;
432 case 2:
433 /* Increase LCD brightness. */
434 hkey_lcd_brightness_max(h, HKEY_GET, &max);
435 hkey_lcd_brightness_min(h, HKEY_GET, &min);
436 hkey_lcd_brightness(h, HKEY_GET, &arg);
437 arg += max / HKEY_LCD_BRIGHTNESS_DIV;
438 if (arg < min)
439 arg = min;
440 else if (arg > max)
441 arg = max;
442 hkey_lcd_brightness(h, HKEY_SET, &arg);
443 break;
444 case 4:
445 /* Toggle sound mute. */
446 hkey_sound_mute(h, HKEY_GET, &arg);
447 if (arg)
448 arg = 0;
449 else
450 arg = 1;
451 hkey_sound_mute(h, HKEY_SET, &arg);
452 break;
453 }
454}
455
456static void
457acpi_panasonic_notify(ACPI_HANDLE h, UINT32 notify, void *context)
458{
459 struct acpi_panasonic_softc *sc;
460 UINT32 key;
461
462 sc = (struct acpi_panasonic_softc *)context;
463
464 switch (notify) {
465 case 0x80:
466 ACPI_SERIAL_BEGIN(panasonic);
467 if (acpi_panasonic_hkey_event(sc, h, &key) == 0) {
468 acpi_panasonic_hkey_action(sc, h, key);
469 acpi_UserNotify("Panasonic", h, (uint8_t)key);
470 }
471 ACPI_SERIAL_END(panasonic);
472 break;
473 default:
474 device_printf(sc->dev, "unknown notify: %#x\n", notify);
475 break;
476 }
477}
478
479static void
480acpi_panasonic_power_profile(void *arg)
481{
482 ACPI_HANDLE handle;
483 UINT32 brightness;
484
485 handle = (ACPI_HANDLE)arg;
486
487 /* Reset current brightness according to new power state. */
488 ACPI_SERIAL_BEGIN(panasonic);
489 hkey_lcd_brightness(handle, HKEY_GET, &brightness);
490 hkey_lcd_brightness(handle, HKEY_SET, &brightness);
491 ACPI_SERIAL_END(panasonic);
492}
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