dell-laptop: move to drivers/platform/x86/ from drivers/misc/

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 0 insertions, 436 deletions

diff --git a/drivers/misc/dell-laptop.c b/drivers/misc/dell-laptop.c
deleted file mode 100644
index 4d33a2068b7..00000000000
--- a/drivers/misc/dell-laptop.c
+++ /dev/null
@@ -1,436 +0,0 @@
-/*
- *  Driver for Dell laptop extras
- *
- *  Copyright (c) Red Hat <mjg@redhat.com>
- *
- *  Based on documentation in the libsmbios package, Copyright (C) 2005 Dell
- *  Inc.
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/backlight.h>
-#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 "../firmware/dcdbas.h"
-
-#define BRIGHTNESS_TOKEN 0x7d
-
-/* This structure will be modified by the firmware when we enter
- * system management mode, hence the volatiles */
-
-struct calling_interface_buffer {
-	u16 class;
-	u16 select;
-	volatile u32 input[4];
-	volatile u32 output[4];
-} __packed;
-
-struct calling_interface_token {
-	u16 tokenID;
-	u16 location;
-	union {
-		u16 value;
-		u16 stringlength;
-	};
-};
-
-struct calling_interface_structure {
-	struct dmi_header header;
-	u16 cmdIOAddress;
-	u8 cmdIOCode;
-	u32 supportedCmds;
-	struct calling_interface_token tokens[];
-} __packed;
-
-static int da_command_address;
-static int da_command_code;
-static int da_num_tokens;
-static struct calling_interface_token *da_tokens;
-
-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 __initdata dell_device_table[] = {
-	{
-		.ident = "Dell laptop",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_CHASSIS_TYPE, "8"),
-		},
-	},
-	{ }
-};
-
-static void parse_da_table(const struct dmi_header *dm)
-{
-	/* Final token is a terminator, so we don't want to copy it */
-	int tokens = (dm->length-11)/sizeof(struct calling_interface_token)-1;
-	struct calling_interface_structure *table =
-		container_of(dm, struct calling_interface_structure, header);
-
-	/* 4 bytes of table header, plus 7 bytes of Dell header, plus at least
-	   6 bytes of entry */
-
-	if (dm->length < 17)
-		return;
-
-	da_command_address = table->cmdIOAddress;
-	da_command_code = table->cmdIOCode;
-
-	da_tokens = krealloc(da_tokens, (da_num_tokens + tokens) *
-			     sizeof(struct calling_interface_token),
-			     GFP_KERNEL);
-
-	if (!da_tokens)
-		return;
-
-	memcpy(da_tokens+da_num_tokens, table->tokens,
-	       sizeof(struct calling_interface_token) * tokens);
-
-	da_num_tokens += tokens;
-}
-
-static void find_tokens(const struct dmi_header *dm)
-{
-	switch (dm->type) {
-	case 0xd4: /* Indexed IO */
-		break;
-	case 0xd5: /* Protected Area Type 1 */
-		break;
-	case 0xd6: /* Protected Area Type 2 */
-		break;
-	case 0xda: /* Calling interface */
-		parse_da_table(dm);
-		break;
-	}
-}
-
-static int find_token_location(int tokenid)
-{
-	int i;
-	for (i = 0; i < da_num_tokens; i++) {
-		if (da_tokens[i].tokenID == tokenid)
-			return da_tokens[i].location;
-	}
-
-	return -1;
-}
-
-static struct calling_interface_buffer *
-dell_send_request(struct calling_interface_buffer *buffer, int class,
-		  int select)
-{
-	struct smi_cmd command;
-
-	command.magic = SMI_CMD_MAGIC;
-	command.command_address = da_command_address;
-	command.command_code = da_command_code;
-	command.ebx = virt_to_phys(buffer);
-	command.ecx = 0x42534931;
-
-	buffer->class = class;
-	buffer->select = select;
-
-	dcdbas_smi_request(&command);
-
-	return buffer;
-}
-
-/* Derived from information in DellWirelessCtl.cpp:
-   Class 17, select 11 is radio control. It returns an array of 32-bit values.
-
-   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
-*/
-
-static int dell_rfkill_set(int radio, enum rfkill_state state)
-{
-	struct calling_interface_buffer buffer;
-	int disable = (state == RFKILL_STATE_UNBLOCKED) ? 0 : 1;
-
-	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
-	buffer.input[0] = (1 | (radio<<8) | (disable << 16));
-	dell_send_request(&buffer, 17, 11);
-
-	return 0;
-}
-
-static int dell_wifi_set(void *data, enum rfkill_state state)
-{
-	return dell_rfkill_set(1, state);
-}
-
-static int dell_bluetooth_set(void *data, enum rfkill_state state)
-{
-	return dell_rfkill_set(2, state);
-}
-
-static int dell_wwan_set(void *data, enum rfkill_state state)
-{
-	return dell_rfkill_set(3, state);
-}
-
-static int dell_rfkill_get(int bit, enum rfkill_state *state)
-{
-	struct calling_interface_buffer buffer;
-	int status;
-	int new_state = RFKILL_STATE_HARD_BLOCKED;
-
-	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
-	dell_send_request(&buffer, 17, 11);
-	status = buffer.output[1];
-
-	if (status & (1<<16))
-		new_state = RFKILL_STATE_SOFT_BLOCKED;
-
-	if (status & (1<<bit))
-		*state = new_state;
-	else
-		*state = RFKILL_STATE_UNBLOCKED;
-
-	return 0;
-}
-
-static int dell_wifi_get(void *data, enum rfkill_state *state)
-{
-	return dell_rfkill_get(17, state);
-}
-
-static int dell_bluetooth_get(void *data, enum rfkill_state *state)
-{
-	return dell_rfkill_get(18, state);
-}
-
-static int dell_wwan_get(void *data, enum rfkill_state *state)
-{
-	return dell_rfkill_get(19, state);
-}
-
-static int dell_setup_rfkill(void)
-{
-	struct calling_interface_buffer buffer;
-	int status;
-	int ret;
-
-	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
-	dell_send_request(&buffer, 17, 11);
-	status = buffer.output[1];
-
-	if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) {
-		wifi_rfkill = rfkill_allocate(NULL, RFKILL_TYPE_WLAN);
-		if (!wifi_rfkill)
-			goto err_wifi;
-		wifi_rfkill->name = "dell-wifi";
-		wifi_rfkill->toggle_radio = dell_wifi_set;
-		wifi_rfkill->get_state = dell_wifi_get;
-		ret = rfkill_register(wifi_rfkill);
-		if (ret)
-			goto err_wifi;
-	}
-
-	if ((status & (1<<3|1<<9)) == (1<<3|1<<9)) {
-		bluetooth_rfkill = rfkill_allocate(NULL, RFKILL_TYPE_BLUETOOTH);
-		if (!bluetooth_rfkill)
-			goto err_bluetooth;
-		bluetooth_rfkill->name = "dell-bluetooth";
-		bluetooth_rfkill->toggle_radio = dell_bluetooth_set;
-		bluetooth_rfkill->get_state = dell_bluetooth_get;
-		ret = rfkill_register(bluetooth_rfkill);
-		if (ret)
-			goto err_bluetooth;
-	}
-
-	if ((status & (1<<4|1<<10)) == (1<<4|1<<10)) {
-		wwan_rfkill = rfkill_allocate(NULL, RFKILL_TYPE_WWAN);
-		if (!wwan_rfkill)
-			goto err_wwan;
-		wwan_rfkill->name = "dell-wwan";
-		wwan_rfkill->toggle_radio = dell_wwan_set;
-		wwan_rfkill->get_state = dell_wwan_get;
-		ret = rfkill_register(wwan_rfkill);
-		if (ret)
-			goto err_wwan;
-	}
-
-	return 0;
-err_wwan:
-	if (wwan_rfkill)
-		rfkill_free(wwan_rfkill);
-	if (bluetooth_rfkill) {
-		rfkill_unregister(bluetooth_rfkill);
-		bluetooth_rfkill = NULL;
-	}
-err_bluetooth:
-	if (bluetooth_rfkill)
-		rfkill_free(bluetooth_rfkill);
-	if (wifi_rfkill) {
-		rfkill_unregister(wifi_rfkill);
-		wifi_rfkill = NULL;
-	}
-err_wifi:
-	if (wifi_rfkill)
-		rfkill_free(wifi_rfkill);
-
-	return ret;
-}
-
-static int dell_send_intensity(struct backlight_device *bd)
-{
-	struct calling_interface_buffer buffer;
-
-	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
-	buffer.input[0] = find_token_location(BRIGHTNESS_TOKEN);
-	buffer.input[1] = bd->props.brightness;
-
-	if (buffer.input[0] == -1)
-		return -ENODEV;
-
-	if (power_supply_is_system_supplied() > 0)
-		dell_send_request(&buffer, 1, 2);
-	else
-		dell_send_request(&buffer, 1, 1);
-
-	return 0;
-}
-
-static int dell_get_intensity(struct backlight_device *bd)
-{
-	struct calling_interface_buffer buffer;
-
-	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
-	buffer.input[0] = find_token_location(BRIGHTNESS_TOKEN);
-
-	if (buffer.input[0] == -1)
-		return -ENODEV;
-
-	if (power_supply_is_system_supplied() > 0)
-		dell_send_request(&buffer, 0, 2);
-	else
-		dell_send_request(&buffer, 0, 1);
-
-	return buffer.output[1];
-}
-
-static struct backlight_ops dell_ops = {
-	.get_brightness = dell_get_intensity,
-	.update_status  = dell_send_intensity,
-};
-
-static int __init dell_init(void)
-{
-	struct calling_interface_buffer buffer;
-	int max_intensity = 0;
-	int ret;
-
-	if (!dmi_check_system(dell_device_table))
-		return -ENODEV;
-
-	dmi_walk(find_tokens);
-
-	if (!da_tokens)  {
-		printk(KERN_INFO "dell-laptop: Unable to find dmi tokens\n");
-		return -ENODEV;
-	}
-
-	ret = dell_setup_rfkill();
-
-	if (ret) {
-		printk(KERN_WARNING "dell-laptop: Unable to setup rfkill\n");
-		goto out;
-	}
-
-#ifdef CONFIG_ACPI
-	/* In the event of an ACPI backlight being available, don't
-	 * register the platform controller.
-	 */
-	if (acpi_video_backlight_support())
-		return 0;
-#endif
-
-	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
-	buffer.input[0] = find_token_location(BRIGHTNESS_TOKEN);
-
-	if (buffer.input[0] != -1) {
-		dell_send_request(&buffer, 0, 2);
-		max_intensity = buffer.output[3];
-	}
-
-	if (max_intensity) {
-		dell_backlight_device = backlight_device_register(
-			"dell_backlight",
-			NULL, NULL,
-			&dell_ops);
-
-		if (IS_ERR(dell_backlight_device)) {
-			ret = PTR_ERR(dell_backlight_device);
-			dell_backlight_device = NULL;
-			goto out;
-		}
-
-		dell_backlight_device->props.max_brightness = max_intensity;
-		dell_backlight_device->props.brightness =
-			dell_get_intensity(dell_backlight_device);
-		backlight_update_status(dell_backlight_device);
-	}
-
-	return 0;
-out:
-	if (wifi_rfkill)
-		rfkill_unregister(wifi_rfkill);
-	if (bluetooth_rfkill)
-		rfkill_unregister(bluetooth_rfkill);
-	if (wwan_rfkill)
-		rfkill_unregister(wwan_rfkill);
-	kfree(da_tokens);
-	return ret;
-}
-
-static void __exit dell_exit(void)
-{
-	backlight_device_unregister(dell_backlight_device);
-	if (wifi_rfkill)
-		rfkill_unregister(wifi_rfkill);
-	if (bluetooth_rfkill)
-		rfkill_unregister(bluetooth_rfkill);
-	if (wwan_rfkill)
-		rfkill_unregister(wwan_rfkill);
-}
-
-module_init(dell_init);
-module_exit(dell_exit);
-
-MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>");
-MODULE_DESCRIPTION("Dell laptop driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("dmi:*svnDellInc.:*:ct8:*");