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yaml --- r: 288414 b: refs/heads/master c: c215ab9 h: refs/heads/master v: v3
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Ben Hutchings
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Matthew Garrett
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Mar 12, 2012
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,2 +1,2 @@ | ||
| --- | ||
| refs/heads/master: 0ae5eaf1032ca3cd5a0097f72992fc4821c762fa | ||
| refs/heads/master: c215ab9a7530d415707430de8d51a58ca6a41808 |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,173 @@ | ||
| /* | ||
| * Support for rfkill on some Fujitsu-Siemens Amilo laptops. | ||
| * Copyright 2011 Ben Hutchings. | ||
| * | ||
| * Based in part on the fsam7440 driver, which is: | ||
| * Copyright 2005 Alejandro Vidal Mata & Javier Vidal Mata. | ||
| * and on the fsaa1655g driver, which is: | ||
| * Copyright 2006 Martin Večeřa. | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation; either version 2 of the License, or | ||
| * (at your option) any later version. | ||
| */ | ||
|
|
||
| #include <linux/module.h> | ||
| #include <linux/dmi.h> | ||
| #include <linux/i8042.h> | ||
| #include <linux/io.h> | ||
| #include <linux/moduleparam.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/rfkill.h> | ||
|
|
||
| /* | ||
| * These values were obtained from disassembling and debugging the | ||
| * PM.exe program installed in the Fujitsu-Siemens AMILO A1655G | ||
| */ | ||
| #define A1655_WIFI_COMMAND 0x10C5 | ||
| #define A1655_WIFI_ON 0x25 | ||
| #define A1655_WIFI_OFF 0x45 | ||
|
|
||
| static int amilo_a1655_rfkill_set_block(void *data, bool blocked) | ||
| { | ||
| u8 param = blocked ? A1655_WIFI_OFF : A1655_WIFI_ON; | ||
| int rc; | ||
|
|
||
| i8042_lock_chip(); | ||
| rc = i8042_command(¶m, A1655_WIFI_COMMAND); | ||
| i8042_unlock_chip(); | ||
| return rc; | ||
| } | ||
|
|
||
| static const struct rfkill_ops amilo_a1655_rfkill_ops = { | ||
| .set_block = amilo_a1655_rfkill_set_block | ||
| }; | ||
|
|
||
| /* | ||
| * These values were obtained from disassembling the PM.exe program | ||
| * installed in the Fujitsu-Siemens AMILO M 7440 | ||
| */ | ||
| #define M7440_PORT1 0x118f | ||
| #define M7440_PORT2 0x118e | ||
| #define M7440_RADIO_ON1 0x12 | ||
| #define M7440_RADIO_ON2 0x80 | ||
| #define M7440_RADIO_OFF1 0x10 | ||
| #define M7440_RADIO_OFF2 0x00 | ||
|
|
||
| static int amilo_m7440_rfkill_set_block(void *data, bool blocked) | ||
| { | ||
| u8 val1 = blocked ? M7440_RADIO_OFF1 : M7440_RADIO_ON1; | ||
| u8 val2 = blocked ? M7440_RADIO_OFF2 : M7440_RADIO_ON2; | ||
|
|
||
| outb(val1, M7440_PORT1); | ||
| outb(val2, M7440_PORT2); | ||
|
|
||
| /* Check whether the state has changed correctly */ | ||
| if (inb(M7440_PORT1) != val1 || inb(M7440_PORT2) != val2) | ||
| return -EIO; | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| static const struct rfkill_ops amilo_m7440_rfkill_ops = { | ||
| .set_block = amilo_m7440_rfkill_set_block | ||
| }; | ||
|
|
||
| static const struct dmi_system_id __devinitdata amilo_rfkill_id_table[] = { | ||
| { | ||
| .matches = { | ||
| DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | ||
| DMI_MATCH(DMI_BOARD_NAME, "AMILO A1655"), | ||
| }, | ||
| .driver_data = (void *)&amilo_a1655_rfkill_ops | ||
| }, | ||
| { | ||
| .matches = { | ||
| DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | ||
| DMI_MATCH(DMI_BOARD_NAME, "AMILO M7440"), | ||
| }, | ||
| .driver_data = (void *)&amilo_m7440_rfkill_ops | ||
| }, | ||
| {} | ||
| }; | ||
|
|
||
| static struct platform_device *amilo_rfkill_pdev; | ||
| static struct rfkill *amilo_rfkill_dev; | ||
|
|
||
| static int __devinit amilo_rfkill_probe(struct platform_device *device) | ||
| { | ||
| const struct dmi_system_id *system_id = | ||
| dmi_first_match(amilo_rfkill_id_table); | ||
| int rc; | ||
|
|
||
| amilo_rfkill_dev = rfkill_alloc(KBUILD_MODNAME, &device->dev, | ||
| RFKILL_TYPE_WLAN, | ||
| system_id->driver_data, NULL); | ||
| if (!amilo_rfkill_dev) | ||
| return -ENOMEM; | ||
|
|
||
| rc = rfkill_register(amilo_rfkill_dev); | ||
| if (rc) | ||
| goto fail; | ||
|
|
||
| return 0; | ||
|
|
||
| fail: | ||
| rfkill_destroy(amilo_rfkill_dev); | ||
| return rc; | ||
| } | ||
|
|
||
| static int amilo_rfkill_remove(struct platform_device *device) | ||
| { | ||
| rfkill_unregister(amilo_rfkill_dev); | ||
| rfkill_destroy(amilo_rfkill_dev); | ||
| return 0; | ||
| } | ||
|
|
||
| static struct platform_driver amilo_rfkill_driver = { | ||
| .driver = { | ||
| .name = KBUILD_MODNAME, | ||
| .owner = THIS_MODULE, | ||
| }, | ||
| .probe = amilo_rfkill_probe, | ||
| .remove = amilo_rfkill_remove, | ||
| }; | ||
|
|
||
| static int __init amilo_rfkill_init(void) | ||
| { | ||
| int rc; | ||
|
|
||
| if (dmi_first_match(amilo_rfkill_id_table) == NULL) | ||
| return -ENODEV; | ||
|
|
||
| rc = platform_driver_register(&amilo_rfkill_driver); | ||
| if (rc) | ||
| return rc; | ||
|
|
||
| amilo_rfkill_pdev = platform_device_register_simple(KBUILD_MODNAME, -1, | ||
| NULL, 0); | ||
| if (IS_ERR(amilo_rfkill_pdev)) { | ||
| rc = PTR_ERR(amilo_rfkill_pdev); | ||
| goto fail; | ||
| } | ||
|
|
||
| return 0; | ||
|
|
||
| fail: | ||
| platform_driver_unregister(&amilo_rfkill_driver); | ||
| return rc; | ||
| } | ||
|
|
||
| static void __exit amilo_rfkill_exit(void) | ||
| { | ||
| platform_device_unregister(amilo_rfkill_pdev); | ||
| platform_driver_unregister(&amilo_rfkill_driver); | ||
| } | ||
|
|
||
| MODULE_AUTHOR("Ben Hutchings <ben@decadent.org.uk>"); | ||
| MODULE_LICENSE("GPL"); | ||
| MODULE_DEVICE_TABLE(dmi, amilo_rfkill_id_table); | ||
|
|
||
| module_init(amilo_rfkill_init); | ||
| module_exit(amilo_rfkill_exit); |
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