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-rw-r--r--drivers/misc/Makefile1
-rw-r--r--drivers/misc/dell-laptop.c436
2 files changed, 0 insertions, 437 deletions
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 9cf8ae6e4b3..d5749a7bc77 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -10,7 +10,6 @@ obj-$(CONFIG_ATMEL_TCLIB) += atmel_tclib.o
obj-$(CONFIG_ICS932S401) += ics932s401.o
obj-$(CONFIG_LKDTM) += lkdtm.o
obj-$(CONFIG_TIFM_CORE) += tifm_core.o
-obj-$(CONFIG_DELL_LAPTOP) += dell-laptop.o
obj-$(CONFIG_TIFM_7XX1) += tifm_7xx1.o
obj-$(CONFIG_PHANTOM) += phantom.o
obj-$(CONFIG_SGI_IOC4) += ioc4.o
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:*");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 01:58:53 +0000