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acpi_panasonic.c (132501) acpi_panasonic.c (132611)
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 132501 2004-07-21 14:47:54Z nyan $");
30__FBSDID("$FreeBSD: head/sys/dev/acpi_support/acpi_panasonic.c 132611 2004-07-24 20:40:02Z 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>
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 */
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
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 */
50#define HKEY_REG_LCD_BRIGHTNESS 0x04
51#define HKEY_REG_SOUND_MUTE 0x08
50#define HKEY_REG_LCD_BRIGHTNESS 0x04
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;

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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);
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;

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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);
72static ACPI_INTEGER acpi_panasonic_sinf(ACPI_HANDLE h, ACPI_INTEGER index);
73static void acpi_panasonic_sset(ACPI_HANDLE h, ACPI_INTEGER index,
73static void acpi_panasonic_sset(ACPI_HANDLE h, ACPI_INTEGER index,
74 ACPI_INTEGER val);
75static hkey_fn_t hkey_lcd_brightness_max;
76static hkey_fn_t hkey_lcd_brightness;
77static hkey_fn_t hkey_sound_mute;
74 ACPI_INTEGER val);
78static int acpi_panasonic_hkey_event(struct acpi_panasonic_softc *sc,
75static int acpi_panasonic_hkey_event(struct acpi_panasonic_softc *sc,
79 ACPI_HANDLE h, UINT32 *arg);
76 ACPI_HANDLE h, UINT32 *arg);
80static void acpi_panasonic_hkey_action(struct acpi_panasonic_softc *sc,
77static void acpi_panasonic_hkey_action(struct acpi_panasonic_softc *sc,
81 ACPI_HANDLE h, UINT32 key);
78 ACPI_HANDLE h, UINT32 key);
82static void acpi_panasonic_notify(ACPI_HANDLE h, UINT32 notify,
79static void acpi_panasonic_notify(ACPI_HANDLE h, UINT32 notify,
83 void *context);
80 void *context);
84
81
82static hkey_fn_t hkey_lcd_brightness_max;
83static hkey_fn_t hkey_lcd_brightness;
84static hkey_fn_t hkey_sound_mute;
85static int lcd_brightness_max = 255;
86
85/* Table of sysctl names and HKEY functions to call. */
86static struct {
87 char *name;
88 hkey_fn_t *handler;
89} sysctl_table[] = {
90 /* name, handler */
91 {"lcd_brightness_max", hkey_lcd_brightness_max},
92 {"lcd_brightness", hkey_lcd_brightness},

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106 "acpi_panasonic",
107 acpi_panasonic_methods,
108 sizeof(struct acpi_panasonic_softc),
109};
110
111static devclass_t acpi_panasonic_devclass;
112
113DRIVER_MODULE(acpi_panasonic, acpi, acpi_panasonic_driver,
87/* Table of sysctl names and HKEY functions to call. */
88static struct {
89 char *name;
90 hkey_fn_t *handler;
91} sysctl_table[] = {
92 /* name, handler */
93 {"lcd_brightness_max", hkey_lcd_brightness_max},
94 {"lcd_brightness", hkey_lcd_brightness},

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108 "acpi_panasonic",
109 acpi_panasonic_methods,
110 sizeof(struct acpi_panasonic_softc),
111};
112
113static devclass_t acpi_panasonic_devclass;
114
115DRIVER_MODULE(acpi_panasonic, acpi, acpi_panasonic_driver,
114 acpi_panasonic_devclass, 0, 0);
116 acpi_panasonic_devclass, 0, 0);
115MODULE_DEPEND(acpi_panasonic, acpi, 1, 1, 1);
116
117MODULE_DEPEND(acpi_panasonic, acpi, 1, 1, 1);
118
117static int lcd_brightness_max = 255;
118
119static int
120acpi_panasonic_probe(device_t dev)
121{
122 static char *mat_ids[] = { "MAT0019", NULL };
123
124 if (acpi_disabled("panasonic") ||
125 ACPI_ID_PROBE(device_get_parent(dev), dev, mat_ids) == NULL ||
126 device_get_unit(dev) != 0)

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146
147 /* Build sysctl tree */
148 sysctl_ctx_init(&sc->sysctl_ctx);
149 sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
150 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO,
151 "panasonic", CTLFLAG_RD, 0, "");
152 for (i = 0; sysctl_table[i].name != NULL; i++) {
153 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
119static int
120acpi_panasonic_probe(device_t dev)
121{
122 static char *mat_ids[] = { "MAT0019", NULL };
123
124 if (acpi_disabled("panasonic") ||
125 ACPI_ID_PROBE(device_get_parent(dev), dev, mat_ids) == NULL ||
126 device_get_unit(dev) != 0)

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146
147 /* Build sysctl tree */
148 sysctl_ctx_init(&sc->sysctl_ctx);
149 sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
150 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO,
151 "panasonic", CTLFLAG_RD, 0, "");
152 for (i = 0; sysctl_table[i].name != NULL; i++) {
153 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
154 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
155 sysctl_table[i].name,
156 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY,
157 sc, i, acpi_panasonic_sysctl, "I", "");
154 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
155 sysctl_table[i].name,
156 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY,
157 sc, i, acpi_panasonic_sysctl, "I", "");
158 }
159
160#if 0
161 /* Activate hotkeys */
162 status = AcpiEvaluateObject(sc->handle, "", NULL, NULL);
163 if (ACPI_FAILURE(status)) {
164 device_printf(dev, "enable FN keys failed\n");
165 sysctl_ctx_free(&sc->sysctl_ctx);
166 return (ENXIO);
167 }
168#endif
169
170 /* Handle notifies */
171 status = AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
158 }
159
160#if 0
161 /* Activate hotkeys */
162 status = AcpiEvaluateObject(sc->handle, "", NULL, NULL);
163 if (ACPI_FAILURE(status)) {
164 device_printf(dev, "enable FN keys failed\n");
165 sysctl_ctx_free(&sc->sysctl_ctx);
166 return (ENXIO);
167 }
168#endif
169
170 /* Handle notifies */
171 status = AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
172 acpi_panasonic_notify, sc);
172 acpi_panasonic_notify, sc);
173 if (ACPI_FAILURE(status)) {
174 device_printf(dev, "couldn't install notify handler - %s\n",
173 if (ACPI_FAILURE(status)) {
174 device_printf(dev, "couldn't install notify handler - %s\n",
175 AcpiFormatException(status));
175 AcpiFormatException(status));
176 sysctl_ctx_free(&sc->sysctl_ctx);
177 return (ENXIO);
178 }
179
180 return (0);
181}
182
183static int
184acpi_panasonic_detach(device_t dev)
185{
186 struct acpi_panasonic_softc *sc;
187
188 sc = device_get_softc(dev);
189
190 /* Remove notify handler */
191 AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
176 sysctl_ctx_free(&sc->sysctl_ctx);
177 return (ENXIO);
178 }
179
180 return (0);
181}
182
183static int
184acpi_panasonic_detach(device_t dev)
185{
186 struct acpi_panasonic_softc *sc;
187
188 sc = device_get_softc(dev);
189
190 /* Remove notify handler */
191 AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
192 acpi_panasonic_notify);
192 acpi_panasonic_notify);
193
194 /* Free sysctl tree */
195 sysctl_ctx_free(&sc->sysctl_ctx);
196
197 return (0);
198}
199
200static int

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310 break;
311 }
312
313 return (0);
314}
315
316static int
317acpi_panasonic_hkey_event(struct acpi_panasonic_softc *sc, ACPI_HANDLE h,
193
194 /* Free sysctl tree */
195 sysctl_ctx_free(&sc->sysctl_ctx);
196
197 return (0);
198}
199
200static int

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310 break;
311 }
312
313 return (0);
314}
315
316static int
317acpi_panasonic_hkey_event(struct acpi_panasonic_softc *sc, ACPI_HANDLE h,
318 UINT32 *arg)
318 UINT32 *arg)
319{
320 ACPI_BUFFER buf;
321 ACPI_OBJECT *res;
322 ACPI_INTEGER val;
323 int status;
324
325 status = ENXIO;
326

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346 if (buf.Pointer)
347 AcpiOsFree(buf.Pointer);
348
349 return (status);
350}
351
352static void
353acpi_panasonic_hkey_action(struct acpi_panasonic_softc *sc, ACPI_HANDLE h,
319{
320 ACPI_BUFFER buf;
321 ACPI_OBJECT *res;
322 ACPI_INTEGER val;
323 int status;
324
325 status = ENXIO;
326

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346 if (buf.Pointer)
347 AcpiOsFree(buf.Pointer);
348
349 return (status);
350}
351
352static void
353acpi_panasonic_hkey_action(struct acpi_panasonic_softc *sc, ACPI_HANDLE h,
354 UINT32 key)
354 UINT32 key)
355{
356 int arg;
357
358 switch (key) {
359 case 1:
360 /* Decrease LCD brightness. */
361 hkey_lcd_brightness(h, HKEY_GET, &arg);
362 arg -= lcd_brightness_max / HKEY_LCD_BRIGHTNESS_DIV;

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399 switch (notify) {
400 case 0x80:
401 if (acpi_panasonic_hkey_event(sc, h, &key) == 0) {
402 acpi_panasonic_hkey_action(sc, h, key);
403 acpi_UserNotify("Panasonic", h, (uint8_t)key);
404 }
405 break;
406 default:
355{
356 int arg;
357
358 switch (key) {
359 case 1:
360 /* Decrease LCD brightness. */
361 hkey_lcd_brightness(h, HKEY_GET, &arg);
362 arg -= lcd_brightness_max / HKEY_LCD_BRIGHTNESS_DIV;

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399 switch (notify) {
400 case 0x80:
401 if (acpi_panasonic_hkey_event(sc, h, &key) == 0) {
402 acpi_panasonic_hkey_action(sc, h, key);
403 acpi_UserNotify("Panasonic", h, (uint8_t)key);
404 }
405 break;
406 default:
407 device_printf(sc->dev, "unknown Notify: 0x%x\n", notify);
407 device_printf(sc->dev, "unknown notify: %#x\n", notify);
408 break;
409 }
410}
408 break;
409 }
410}