#include <linux/err.h>
#include <linux/dmi.h>
#include <linux/io.h>
-#include <linux/rfkill.h>
#include <linux/power_supply.h>
#include <linux/acpi.h>
#include <linux/mm.h>
static struct platform_device *platform_device;
static struct backlight_device *dell_backlight_device;
-static struct rfkill *wifi_rfkill;
-static struct rfkill *bluetooth_rfkill;
-static struct rfkill *wwan_rfkill;
static const struct dmi_system_id dell_device_table[] __initconst = {
{
};
MODULE_DEVICE_TABLE(dmi, dell_device_table);
-static struct dmi_system_id __devinitdata dell_blacklist[] = {
- /* Supported by compal-laptop */
- {
- .ident = "Dell Mini 9",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 910"),
- },
- },
- {
- .ident = "Dell Mini 10",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1010"),
- },
- },
- {
- .ident = "Dell Mini 10v",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1011"),
- },
- },
- {
- .ident = "Dell Mini 1012",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1012"),
- },
- },
- {
- .ident = "Dell Inspiron 11z",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1110"),
- },
- },
- {
- .ident = "Dell Mini 12",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1210"),
- },
- },
- {}
-};
-
static struct dmi_system_id __devinitdata dell_quirks[] = {
{
.callback = dmi_matched,
return buffer;
}
-/* Derived from information in DellWirelessCtl.cpp:
- Class 17, select 11 is radio control. It returns an array of 32-bit values.
-
- Input byte 0 = 0: Wireless information
-
- result[0]: return code
- result[1]:
- Bit 0: Hardware switch supported
- Bit 1: Wifi locator supported
- Bit 2: Wifi is supported
- Bit 3: Bluetooth is supported
- Bit 4: WWAN is supported
- Bit 5: Wireless keyboard supported
- Bits 6-7: Reserved
- Bit 8: Wifi is installed
- Bit 9: Bluetooth is installed
- Bit 10: WWAN is installed
- Bits 11-15: Reserved
- Bit 16: Hardware switch is on
- Bit 17: Wifi is blocked
- Bit 18: Bluetooth is blocked
- Bit 19: WWAN is blocked
- Bits 20-31: Reserved
- result[2]: NVRAM size in bytes
- result[3]: NVRAM format version number
-
- Input byte 0 = 2: Wireless switch configuration
- result[0]: return code
- result[1]:
- Bit 0: Wifi controlled by switch
- Bit 1: Bluetooth controlled by switch
- Bit 2: WWAN controlled by switch
- Bits 3-6: Reserved
- Bit 7: Wireless switch config locked
- Bit 8: Wifi locator enabled
- Bits 9-14: Reserved
- Bit 15: Wifi locator setting locked
- Bits 16-31: Reserved
-*/
-
-static int dell_rfkill_set(void *data, bool blocked)
-{
- int disable = blocked ? 1 : 0;
- unsigned long radio = (unsigned long)data;
- int hwswitch_bit = (unsigned long)data - 1;
- int ret = 0;
-
- get_buffer();
- dell_send_request(buffer, 17, 11);
-
- /* If the hardware switch controls this radio, and the hardware
- switch is disabled, don't allow changing the software state */
- if ((hwswitch_state & BIT(hwswitch_bit)) &&
- !(buffer->output[1] & BIT(16))) {
- ret = -EINVAL;
- goto out;
- }
-
- buffer->input[0] = (1 | (radio<<8) | (disable << 16));
- dell_send_request(buffer, 17, 11);
-
-out:
- release_buffer();
- return ret;
-}
-
-static void dell_rfkill_query(struct rfkill *rfkill, void *data)
-{
- int status;
- int bit = (unsigned long)data + 16;
- int hwswitch_bit = (unsigned long)data - 1;
-
- get_buffer();
- dell_send_request(buffer, 17, 11);
- status = buffer->output[1];
- release_buffer();
-
- rfkill_set_sw_state(rfkill, !!(status & BIT(bit)));
-
- if (hwswitch_state & (BIT(hwswitch_bit)))
- rfkill_set_hw_state(rfkill, !(status & BIT(16)));
-}
-
-static const struct rfkill_ops dell_rfkill_ops = {
- .set_block = dell_rfkill_set,
- .query = dell_rfkill_query,
-};
-
static struct dentry *dell_laptop_dir;
static int dell_debugfs_show(struct seq_file *s, void *data)
.release = single_release,
};
-static void dell_update_rfkill(struct work_struct *ignored)
-{
- if (wifi_rfkill)
- dell_rfkill_query(wifi_rfkill, (void *)1);
- if (bluetooth_rfkill)
- dell_rfkill_query(bluetooth_rfkill, (void *)2);
- if (wwan_rfkill)
- dell_rfkill_query(wwan_rfkill, (void *)3);
-}
-static DECLARE_DELAYED_WORK(dell_rfkill_work, dell_update_rfkill);
-
-
-static int __init dell_setup_rfkill(void)
-{
- int status;
- int ret;
-
- if (dmi_check_system(dell_blacklist)) {
- pr_info("Blacklisted hardware detected - not enabling rfkill\n");
- return 0;
- }
-
- get_buffer();
- dell_send_request(buffer, 17, 11);
- status = buffer->output[1];
- buffer->input[0] = 0x2;
- dell_send_request(buffer, 17, 11);
- hwswitch_state = buffer->output[1];
- release_buffer();
-
- if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) {
- wifi_rfkill = rfkill_alloc("dell-wifi", &platform_device->dev,
- RFKILL_TYPE_WLAN,
- &dell_rfkill_ops, (void *) 1);
- if (!wifi_rfkill) {
- ret = -ENOMEM;
- goto err_wifi;
- }
- ret = rfkill_register(wifi_rfkill);
- if (ret)
- goto err_wifi;
- }
-
- if ((status & (1<<3|1<<9)) == (1<<3|1<<9)) {
- bluetooth_rfkill = rfkill_alloc("dell-bluetooth",
- &platform_device->dev,
- RFKILL_TYPE_BLUETOOTH,
- &dell_rfkill_ops, (void *) 2);
- if (!bluetooth_rfkill) {
- ret = -ENOMEM;
- goto err_bluetooth;
- }
- ret = rfkill_register(bluetooth_rfkill);
- if (ret)
- goto err_bluetooth;
- }
-
- if ((status & (1<<4|1<<10)) == (1<<4|1<<10)) {
- wwan_rfkill = rfkill_alloc("dell-wwan",
- &platform_device->dev,
- RFKILL_TYPE_WWAN,
- &dell_rfkill_ops, (void *) 3);
- if (!wwan_rfkill) {
- ret = -ENOMEM;
- goto err_wwan;
- }
- ret = rfkill_register(wwan_rfkill);
- if (ret)
- goto err_wwan;
- }
-
- return 0;
-err_wwan:
- rfkill_destroy(wwan_rfkill);
- if (bluetooth_rfkill)
- rfkill_unregister(bluetooth_rfkill);
-err_bluetooth:
- rfkill_destroy(bluetooth_rfkill);
- if (wifi_rfkill)
- rfkill_unregister(wifi_rfkill);
-err_wifi:
- rfkill_destroy(wifi_rfkill);
-
- return ret;
-}
-
-static void dell_cleanup_rfkill(void)
-{
- if (wifi_rfkill) {
- rfkill_unregister(wifi_rfkill);
- rfkill_destroy(wifi_rfkill);
- }
- if (bluetooth_rfkill) {
- rfkill_unregister(bluetooth_rfkill);
- rfkill_destroy(bluetooth_rfkill);
- }
- if (wwan_rfkill) {
- rfkill_unregister(wwan_rfkill);
- rfkill_destroy(wwan_rfkill);
- }
-}
-
static int dell_send_intensity(struct backlight_device *bd)
{
int ret = 0;
led_classdev_unregister(&touchpad_led);
}
-static bool dell_laptop_i8042_filter(unsigned char data, unsigned char str,
- struct serio *port)
-{
- static bool extended;
-
- if (str & 0x20)
- return false;
-
- if (unlikely(data == 0xe0)) {
- extended = true;
- return false;
- } else if (unlikely(extended)) {
- switch (data) {
- case 0x8:
- schedule_delayed_work(&dell_rfkill_work,
- round_jiffies_relative(HZ));
- break;
- }
- extended = false;
- }
-
- return false;
-}
-
static int __init dell_init(void)
{
int max_intensity = 0;
goto fail_buffer;
buffer = page_address(bufferpage);
- ret = dell_setup_rfkill();
-
- if (ret) {
- pr_warn("Unable to setup rfkill\n");
- goto fail_rfkill;
- }
-
- ret = i8042_install_filter(dell_laptop_i8042_filter);
- if (ret) {
- pr_warn("Unable to install key filter\n");
- goto fail_filter;
- }
-
if (quirks && quirks->touchpad_led)
touchpad_led_init(&platform_device->dev);
dell_laptop_dir = debugfs_create_dir("dell_laptop", NULL);
- if (dell_laptop_dir != NULL)
- debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL,
- &dell_debugfs_fops);
#ifdef CONFIG_ACPI
/* In the event of an ACPI backlight being available, don't
return 0;
fail_backlight:
- i8042_remove_filter(dell_laptop_i8042_filter);
- cancel_delayed_work_sync(&dell_rfkill_work);
-fail_filter:
- dell_cleanup_rfkill();
-fail_rfkill:
free_page((unsigned long)bufferpage);
fail_buffer:
platform_device_del(platform_device);
debugfs_remove_recursive(dell_laptop_dir);
if (quirks && quirks->touchpad_led)
touchpad_led_exit();
- i8042_remove_filter(dell_laptop_i8042_filter);
- cancel_delayed_work_sync(&dell_rfkill_work);
backlight_device_unregister(dell_backlight_device);
- dell_cleanup_rfkill();
if (platform_device) {
platform_device_unregister(platform_device);
platform_driver_unregister(&platform_driver);
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