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authorStephen Rothwell <sfr@canb.auug.org.au>2011-03-01 16:56:08 +1100
committerStephen Rothwell <sfr@canb.auug.org.au>2011-03-01 16:56:14 +1100
commit477254bfb6b1e15923325c29ff20e50cb7939596 (patch)
treefde0bc4da92e675d628f5ff677d450e5e0ea20eb /drivers
parentf0cf56de34a813b19b7f81c953275b24c8e48366 (diff)
parentc80297acbb55237adc128b3b2e0b74f0cf34764e (diff)
Merge remote-tracking branch 'drivers-x86/linux-next'
Conflicts: drivers/hwmon/lm85.c
Diffstat (limited to 'drivers')
-rw-r--r--drivers/platform/x86/Kconfig37
-rw-r--r--drivers/platform/x86/Makefile6
-rw-r--r--drivers/platform/x86/asus-laptop.c180
-rw-r--r--drivers/platform/x86/dell-wmi-aio.c171
-rw-r--r--drivers/platform/x86/eeepc-wmi.c780
-rw-r--r--drivers/platform/x86/hp-wmi.c312
-rw-r--r--drivers/platform/x86/intel_mid_powerbtn.c148
-rw-r--r--drivers/platform/x86/intel_mid_thermal.c575
-rw-r--r--drivers/platform/x86/sony-laptop.c492
-rw-r--r--drivers/platform/x86/xo15-ebook.c180
10 files changed, 2449 insertions, 432 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 222dfb737b11..b039d6a93f17 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -101,6 +101,19 @@ config DELL_WMI
To compile this driver as a module, choose M here: the module will
be called dell-wmi.
+config DELL_WMI_AIO
+ tristate "WMI Hotkeys for Dell All-In-One series"
+ depends on ACPI_WMI
+ depends on INPUT
+ select INPUT_SPARSEKMAP
+ ---help---
+ Say Y here if you want to support WMI-based hotkeys on Dell
+ All-In-One machines.
+
+ To compile this driver as a module, choose M here: the module will
+ be called dell-wmi.
+
+
config FUJITSU_LAPTOP
tristate "Fujitsu Laptop Extras"
depends on ACPI
@@ -616,6 +629,21 @@ config GPIO_INTEL_PMIC
Say Y here to support GPIO via the SCU IPC interface
on Intel MID platforms.
+config INTEL_MID_POWER_BUTTON
+ tristate "power button driver for Intel MID platforms"
+ depends on INTEL_SCU_IPC && INPUT
+ help
+ This driver handles the power button on the Intel MID platforms.
+
+ If unsure, say N.
+
+config INTEL_MFLD_THERMAL
+ tristate "Thermal driver for Intel Medfield platform"
+ depends on INTEL_SCU_IPC && THERMAL
+ help
+ Say Y here to enable thermal driver support for the Intel Medfield
+ platform.
+
config RAR_REGISTER
bool "Restricted Access Region Register Driver"
depends on PCI && X86_MRST
@@ -672,4 +700,13 @@ config XO1_RFKILL
Support for enabling/disabling the WLAN interface on the OLPC XO-1
laptop.
+config XO15_EBOOK
+ tristate "OLPC XO-1.5 ebook switch"
+ depends on ACPI && INPUT
+ ---help---
+ Support for the ebook switch on the OLPC XO-1.5 laptop.
+
+ This switch is triggered as the screen is rotated and folded down to
+ convert the device into ebook form.
+
endif # X86_PLATFORM_DEVICES
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 299aefb3e74c..a9877711b3f1 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_ACPI_CMPC) += classmate-laptop.o
obj-$(CONFIG_COMPAL_LAPTOP) += compal-laptop.o
obj-$(CONFIG_DELL_LAPTOP) += dell-laptop.o
obj-$(CONFIG_DELL_WMI) += dell-wmi.o
+obj-$(CONFIG_DELL_WMI_AIO) += dell-wmi-aio.o
obj-$(CONFIG_ACER_WMI) += acer-wmi.o
obj-$(CONFIG_ACERHDF) += acerhdf.o
obj-$(CONFIG_HP_ACCEL) += hp_accel.o
@@ -29,9 +30,12 @@ obj-$(CONFIG_TOPSTAR_LAPTOP) += topstar-laptop.o
obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o
obj-$(CONFIG_TOSHIBA_BT_RFKILL) += toshiba_bluetooth.o
obj-$(CONFIG_INTEL_SCU_IPC) += intel_scu_ipc.o
-obj-$(CONFIG_INTEL_SCU_IPC_UTIL)+= intel_scu_ipcutil.o
+obj-$(CONFIG_INTEL_SCU_IPC_UTIL) += intel_scu_ipcutil.o
+obj-$(CONFIG_INTEL_MFLD_THERMAL) += intel_mid_thermal.o
obj-$(CONFIG_RAR_REGISTER) += intel_rar_register.o
obj-$(CONFIG_INTEL_IPS) += intel_ips.o
obj-$(CONFIG_GPIO_INTEL_PMIC) += intel_pmic_gpio.o
obj-$(CONFIG_XO1_RFKILL) += xo1-rfkill.o
+obj-$(CONFIG_XO15_EBOOK) += xo15-ebook.o
obj-$(CONFIG_IBM_RTL) += ibm_rtl.o
+obj-$(CONFIG_INTEL_MFLD_THERMAL) += intel_mid_thermal.o
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index f3aa6a7fdab6..92e2a0b16328 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -50,6 +50,7 @@
#include <linux/input/sparse-keymap.h>
#include <linux/rfkill.h>
#include <linux/slab.h>
+#include <linux/dmi.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h>
@@ -157,46 +158,9 @@ MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot "
#define METHOD_BRIGHTNESS_SET "SPLV"
#define METHOD_BRIGHTNESS_GET "GPLV"
-/* Backlight */
-static acpi_handle lcd_switch_handle;
-static char *lcd_switch_paths[] = {
- "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */
- "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */
- "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */
- "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */
- "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */
- "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */
- "\\_SB.PCI0.PX40.Q10", /* S1x */
- "\\Q10"}; /* A2x, L2D, L3D, M2E */
-
/* Display */
#define METHOD_SWITCH_DISPLAY "SDSP"
-static acpi_handle display_get_handle;
-static char *display_get_paths[] = {
- /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */
- "\\_SB.PCI0.P0P1.VGA.GETD",
- /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */
- "\\_SB.PCI0.P0P2.VGA.GETD",
- /* A6V A6Q */
- "\\_SB.PCI0.P0P3.VGA.GETD",
- /* A6T, A6M */
- "\\_SB.PCI0.P0PA.VGA.GETD",
- /* L3C */
- "\\_SB.PCI0.PCI1.VGAC.NMAP",
- /* Z96F */
- "\\_SB.PCI0.VGA.GETD",
- /* A2D */
- "\\ACTD",
- /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */
- "\\ADVG",
- /* P30 */
- "\\DNXT",
- /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */
- "\\INFB",
- /* A3F A6F A3N A3L M6N W3N W6A */
- "\\SSTE"};
-
#define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */
#define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */
@@ -246,7 +210,6 @@ struct asus_laptop {
int wireless_status;
bool have_rsts;
- int lcd_state;
struct rfkill *gps_rfkill;
@@ -559,48 +522,6 @@ error:
/*
* Backlight device
*/
-static int asus_lcd_status(struct asus_laptop *asus)
-{
- return asus->lcd_state;
-}
-
-static int asus_lcd_set(struct asus_laptop *asus, int value)
-{
- int lcd = 0;
- acpi_status status = 0;
-
- lcd = !!value;
-
- if (lcd == asus_lcd_status(asus))
- return 0;
-
- if (!lcd_switch_handle)
- return -ENODEV;
-
- status = acpi_evaluate_object(lcd_switch_handle,
- NULL, NULL, NULL);
-
- if (ACPI_FAILURE(status)) {
- pr_warning("Error switching LCD\n");
- return -ENODEV;
- }
-
- asus->lcd_state = lcd;
- return 0;
-}
-
-static void lcd_blank(struct asus_laptop *asus, int blank)
-{
- struct backlight_device *bd = asus->backlight_device;
-
- asus->lcd_state = (blank == FB_BLANK_UNBLANK);
-
- if (bd) {
- bd->props.power = blank;
- backlight_update_status(bd);
- }
-}
-
static int asus_read_brightness(struct backlight_device *bd)
{
struct asus_laptop *asus = bl_get_data(bd);
@@ -628,16 +549,9 @@ static int asus_set_brightness(struct backlight_device *bd, int value)
static int update_bl_status(struct backlight_device *bd)
{
- struct asus_laptop *asus = bl_get_data(bd);
- int rv;
int value = bd->props.brightness;
- rv = asus_set_brightness(bd, value);
- if (rv)
- return rv;
-
- value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0;
- return asus_lcd_set(asus, value);
+ return asus_set_brightness(bd, value);
}
static const struct backlight_ops asusbl_ops = {
@@ -661,8 +575,7 @@ static int asus_backlight_init(struct asus_laptop *asus)
struct backlight_properties props;
if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) ||
- acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) ||
- !lcd_switch_handle)
+ acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL))
return 0;
memset(&props, 0, sizeof(struct backlight_properties));
@@ -970,41 +883,6 @@ static void asus_set_display(struct asus_laptop *asus, int value)
return;
}
-static int read_display(struct asus_laptop *asus)
-{
- unsigned long long value = 0;
- acpi_status rv = AE_OK;
-
- /*
- * In most of the case, we know how to set the display, but sometime
- * we can't read it
- */
- if (display_get_handle) {
- rv = acpi_evaluate_integer(display_get_handle, NULL,
- NULL, &value);
- if (ACPI_FAILURE(rv))
- pr_warning("Error reading display status\n");
- }
-
- value &= 0x0F; /* needed for some models, shouldn't hurt others */
-
- return value;
-}
-
-/*
- * Now, *this* one could be more user-friendly, but so far, no-one has
- * complained. The significance of bits is the same as in store_disp()
- */
-static ssize_t show_disp(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct asus_laptop *asus = dev_get_drvdata(dev);
-
- if (!display_get_handle)
- return -ENODEV;
- return sprintf(buf, "%d\n", read_display(asus));
-}
-
/*
* Experimental support for display switching. As of now: 1 should activate
* the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI.
@@ -1246,15 +1124,6 @@ static void asus_acpi_notify(struct acpi_device *device, u32 event)
struct asus_laptop *asus = acpi_driver_data(device);
u16 count;
- /*
- * We need to tell the backlight device when the backlight power is
- * switched
- */
- if (event == ATKD_LCD_ON)
- lcd_blank(asus, FB_BLANK_UNBLANK);
- else if (event == ATKD_LCD_OFF)
- lcd_blank(asus, FB_BLANK_POWERDOWN);
-
/* TODO Find a better way to handle events count. */
count = asus->event_count[event % 128]++;
acpi_bus_generate_proc_event(asus->device, event, count);
@@ -1281,7 +1150,7 @@ static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR,
show_bluetooth, store_bluetooth);
static DEVICE_ATTR(wimax, S_IRUGO | S_IWUSR, show_wimax, store_wimax);
static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan);
-static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp);
+static DEVICE_ATTR(display, S_IWUSR, NULL, store_disp);
static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd);
static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl);
static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw);
@@ -1392,26 +1261,6 @@ static struct platform_driver platform_driver = {
}
};
-static int asus_handle_init(char *name, acpi_handle * handle,
- char **paths, int num_paths)
-{
- int i;
- acpi_status status;
-
- for (i = 0; i < num_paths; i++) {
- status = acpi_get_handle(NULL, paths[i], handle);
- if (ACPI_SUCCESS(status))
- return 0;
- }
-
- *handle = NULL;
- return -ENODEV;
-}
-
-#define ASUS_HANDLE_INIT(object) \
- asus_handle_init(#object, &object##_handle, object##_paths, \
- ARRAY_SIZE(object##_paths))
-
/*
* This function is used to initialize the context with right values. In this
* method, we can make all the detection we want, and modify the asus_laptop
@@ -1497,10 +1346,6 @@ static int asus_laptop_get_info(struct asus_laptop *asus)
if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
asus->have_rsts = true;
- /* Scheduled for removal */
- ASUS_HANDLE_INIT(lcd_switch);
- ASUS_HANDLE_INIT(display_get);
-
kfree(model);
return AE_OK;
@@ -1552,10 +1397,23 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus)
asus_als_level(asus, asus->light_level);
}
- asus->lcd_state = 1; /* LCD should be on when the module load */
return result;
}
+static void __devinit asus_dmi_check(void)
+{
+ const char *model;
+
+ model = dmi_get_system_info(DMI_PRODUCT_NAME);
+ if (!model)
+ return;
+
+ /* On L1400B WLED control the sound card, don't mess with it ... */
+ if (strncmp(model, "L1400B", 6) == 0) {
+ wlan_status = -1;
+ }
+}
+
static bool asus_device_present;
static int __devinit asus_acpi_add(struct acpi_device *device)
@@ -1574,6 +1432,8 @@ static int __devinit asus_acpi_add(struct acpi_device *device)
device->driver_data = asus;
asus->device = device;
+ asus_dmi_check();
+
result = asus_acpi_init(asus);
if (result)
goto fail_platform;
diff --git a/drivers/platform/x86/dell-wmi-aio.c b/drivers/platform/x86/dell-wmi-aio.c
new file mode 100644
index 000000000000..0ed84573ae1f
--- /dev/null
+++ b/drivers/platform/x86/dell-wmi-aio.c
@@ -0,0 +1,171 @@
+/*
+ * WMI hotkeys support for Dell All-In-One series
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
+#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
+#include <linux/string.h>
+
+MODULE_DESCRIPTION("WMI hotkeys driver for Dell All-In-One series");
+MODULE_LICENSE("GPL");
+
+#define EVENT_GUID1 "284A0E6B-380E-472A-921F-E52786257FB4"
+#define EVENT_GUID2 "02314822-307C-4F66-BF0E-48AEAEB26CC8"
+
+static const char *dell_wmi_aio_guids[] = {
+ EVENT_GUID1,
+ EVENT_GUID2,
+ NULL
+};
+
+MODULE_ALIAS("wmi:"EVENT_GUID1);
+MODULE_ALIAS("wmi:"EVENT_GUID2);
+
+static const struct key_entry dell_wmi_aio_keymap[] = {
+ { KE_KEY, 0xc0, { KEY_VOLUMEUP } },
+ { KE_KEY, 0xc1, { KEY_VOLUMEDOWN } },
+ { KE_END, 0 }
+};
+
+static struct input_dev *dell_wmi_aio_input_dev;
+
+static void dell_wmi_aio_notify(u32 value, void *context)
+{
+ struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
+ union acpi_object *obj;
+ acpi_status status;
+
+ status = wmi_get_event_data(value, &response);
+ if (status != AE_OK) {
+ pr_info("bad event status 0x%x\n", status);
+ return;
+ }
+
+ obj = (union acpi_object *)response.pointer;
+ if (obj) {
+ unsigned int scancode;
+
+ switch (obj->type) {
+ case ACPI_TYPE_INTEGER:
+ /* Most All-In-One correctly return integer scancode */
+ scancode = obj->integer.value;
+ sparse_keymap_report_event(dell_wmi_aio_input_dev,
+ scancode, 1, true);
+ break;
+ case ACPI_TYPE_BUFFER:
+ /* Broken machines return the scancode in a buffer */
+ if (obj->buffer.pointer && obj->buffer.length > 0) {
+ scancode = obj->buffer.pointer[0];
+ sparse_keymap_report_event(
+ dell_wmi_aio_input_dev,
+ scancode, 1, true);
+ }
+ break;
+ }
+ }
+ kfree(obj);
+}
+
+static int __init dell_wmi_aio_input_setup(void)
+{
+ int err;
+
+ dell_wmi_aio_input_dev = input_allocate_device();
+
+ if (!dell_wmi_aio_input_dev)
+ return -ENOMEM;
+
+ dell_wmi_aio_input_dev->name = "Dell AIO WMI hotkeys";
+ dell_wmi_aio_input_dev->phys = "wmi/input0";
+ dell_wmi_aio_input_dev->id.bustype = BUS_HOST;
+
+ err = sparse_keymap_setup(dell_wmi_aio_input_dev,
+ dell_wmi_aio_keymap, NULL);
+ if (err) {
+ pr_err("Unable to setup input device keymap\n");
+ goto err_free_dev;
+ }
+ err = input_register_device(dell_wmi_aio_input_dev);
+ if (err) {
+ pr_info("Unable to register input device\n");
+ goto err_free_keymap;
+ }
+ return 0;
+
+err_free_keymap:
+ sparse_keymap_free(dell_wmi_aio_input_dev);
+err_free_dev:
+ input_free_device(dell_wmi_aio_input_dev);
+ return err;
+}
+
+static const char *dell_wmi_aio_find(void)
+{
+ int i;
+
+ for (i = 0; dell_wmi_aio_guids[i] != NULL; i++)
+ if (wmi_has_guid(dell_wmi_aio_guids[i]))
+ return dell_wmi_aio_guids[i];
+
+ return NULL;
+}
+
+static int __init dell_wmi_aio_init(void)
+{
+ int err;
+ const char *guid;
+
+ guid = dell_wmi_aio_find();
+ if (!guid) {
+ pr_warning("No known WMI GUID found\n");
+ return -ENXIO;
+ }
+
+ err = dell_wmi_aio_input_setup();
+ if (err)
+ return err;
+
+ err = wmi_install_notify_handler(guid, dell_wmi_aio_notify, NULL);
+ if (err) {
+ pr_err("Unable to register notify handler - %d\n", err);
+ sparse_keymap_free(dell_wmi_aio_input_dev);
+ input_unregister_device(dell_wmi_aio_input_dev);
+ return err;
+ }
+
+ return 0;
+}
+
+static void __exit dell_wmi_aio_exit(void)
+{
+ const char *guid;
+
+ guid = dell_wmi_aio_find();
+ wmi_remove_notify_handler(guid);
+ sparse_keymap_free(dell_wmi_aio_input_dev);
+ input_unregister_device(dell_wmi_aio_input_dev);
+}
+
+module_init(dell_wmi_aio_init);
+module_exit(dell_wmi_aio_exit);
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index 4d38f98aa976..d3997757e790 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -37,9 +37,12 @@
#include <linux/backlight.h>
#include <linux/leds.h>
#include <linux/rfkill.h>
+#include <linux/pci.h>
+#include <linux/pci_hotplug.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/platform_device.h>
+#include <linux/dmi.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
@@ -57,35 +60,72 @@ MODULE_LICENSE("GPL");
MODULE_ALIAS("wmi:"EEEPC_WMI_EVENT_GUID);
MODULE_ALIAS("wmi:"EEEPC_WMI_MGMT_GUID);
-#define NOTIFY_BRNUP_MIN 0x11
-#define NOTIFY_BRNUP_MAX 0x1f
-#define NOTIFY_BRNDOWN_MIN 0x20
-#define NOTIFY_BRNDOWN_MAX 0x2e
+#define NOTIFY_BRNUP_MIN 0x11
+#define NOTIFY_BRNUP_MAX 0x1f
+#define NOTIFY_BRNDOWN_MIN 0x20
+#define NOTIFY_BRNDOWN_MAX 0x2e
-#define EEEPC_WMI_METHODID_DEVS 0x53564544
-#define EEEPC_WMI_METHODID_DSTS 0x53544344
-#define EEEPC_WMI_METHODID_CFVS 0x53564643
+/* WMI Methods */
+#define EEEPC_WMI_METHODID_DSTS 0x53544344
+#define EEEPC_WMI_METHODID_DEVS 0x53564544
+#define EEEPC_WMI_METHODID_CFVS 0x53564643
-#define EEEPC_WMI_DEVID_BACKLIGHT 0x00050012
-#define EEEPC_WMI_DEVID_TPDLED 0x00100011
+/* Wireless */
#define EEEPC_WMI_DEVID_WLAN 0x00010011
#define EEEPC_WMI_DEVID_BLUETOOTH 0x00010013
+#define EEEPC_WMI_DEVID_WIMAX 0x00010017
#define EEEPC_WMI_DEVID_WWAN3G 0x00010019
+/* Backlight and Brightness */
+#define EEEPC_WMI_DEVID_BACKLIGHT 0x00050011
+#define EEEPC_WMI_DEVID_BRIGHTNESS 0x00050012
+
+/* Misc */
+#define EEEPC_WMI_DEVID_CAMERA 0x00060013
+
+/* Storage */
+#define EEEPC_WMI_DEVID_CARDREADER 0x00080013
+
+/* Input */
+#define EEEPC_WMI_DEVID_TOUCHPAD 0x00100011
+#define EEEPC_WMI_DEVID_TOUCHPAD_LED 0x00100012
+
+/* DSTS masks */
+#define EEEPC_WMI_DSTS_STATUS_BIT 0x00000001
+#define EEEPC_WMI_DSTS_PRESENCE_BIT 0x00010000
+#define EEEPC_WMI_DSTS_BRIGHTNESS_MASK 0x000000FF
+#define EEEPC_WMI_DSTS_MAX_BRIGTH_MASK 0x0000FF00
+
+static bool hotplug_wireless;
+
+module_param(hotplug_wireless, bool, 0444);
+MODULE_PARM_DESC(hotplug_wireless,
+ "Enable hotplug for wireless device. "
+ "If your laptop needs that, please report to "
+ "acpi4asus-user@lists.sourceforge.net.");
+
static const struct key_entry eeepc_wmi_keymap[] = {
/* Sleep already handled via generic ACPI code */
- { KE_KEY, 0x5d, { KEY_WLAN } },
- { KE_KEY, 0x32, { KEY_MUTE } },
- { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
- { KE_KEY, 0x30, { KEY_VOLUMEUP } },
{ KE_IGNORE, NOTIFY_BRNDOWN_MIN, { KEY_BRIGHTNESSDOWN } },
{ KE_IGNORE, NOTIFY_BRNUP_MIN, { KEY_BRIGHTNESSUP } },
- { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, 0x30, { KEY_VOLUMEUP } },
+ { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
+ { KE_KEY, 0x32, { KEY_MUTE } },
+ { KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */
+ { KE_KEY, 0x5d, { KEY_WLAN } },
{ KE_KEY, 0x6b, { KEY_F13 } }, /* Disable Touchpad */
- { KE_KEY, 0xe1, { KEY_F14 } },
- { KE_KEY, 0xe9, { KEY_DISPLAY_OFF } },
- { KE_KEY, 0xe0, { KEY_PROG1 } },
- { KE_KEY, 0x5c, { KEY_F15 } },
+ { KE_KEY, 0x82, { KEY_CAMERA } },
+ { KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } },
+ { KE_KEY, 0x88, { KEY_WLAN } },
+ { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */
+ { KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */
+ { KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } },
+ { KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } },
+ { KE_KEY, 0xec, { KEY_CAMERA_UP } },
+ { KE_KEY, 0xed, { KEY_CAMERA_DOWN } },
+ { KE_KEY, 0xee, { KEY_CAMERA_LEFT } },
+ { KE_KEY, 0xef, { KEY_CAMERA_RIGHT } },
{ KE_END, 0},
};
@@ -108,6 +148,8 @@ struct eeepc_wmi_debug {
};
struct eeepc_wmi {
+ bool hotplug_wireless;
+
struct input_dev *inputdev;
struct backlight_device *backlight_device;
struct platform_device *platform_device;
@@ -119,14 +161,18 @@ struct eeepc_wmi {
struct rfkill *wlan_rfkill;
struct rfkill *bluetooth_rfkill;
+ struct rfkill *wimax_rfkill;
struct rfkill *wwan3g_rfkill;
+ struct hotplug_slot *hotplug_slot;
+ struct mutex hotplug_lock;
+ struct mutex wmi_lock;
+ struct workqueue_struct *hotplug_workqueue;
+ struct work_struct hotplug_work;
+
struct eeepc_wmi_debug debug;
};
-/* Only used in eeepc_wmi_init() and eeepc_wmi_exit() */
-static struct platform_device *platform_device;
-
static int eeepc_wmi_input_init(struct eeepc_wmi *eeepc)
{
int err;
@@ -176,7 +222,8 @@ static acpi_status eeepc_wmi_get_devstate(u32 dev_id, u32 *retval)
u32 tmp;
status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID,
- 1, EEEPC_WMI_METHODID_DSTS, &input, &output);
+ 1, EEEPC_WMI_METHODID_DSTS,
+ &input, &output);
if (ACPI_FAILURE(status))
return status;
@@ -236,6 +283,28 @@ static acpi_status eeepc_wmi_set_devstate(u32 dev_id, u32 ctrl_param,
return status;
}
+/* Helper for special devices with magic return codes */
+static int eeepc_wmi_get_devstate_bits(u32 dev_id, u32 mask)
+{
+ u32 retval = 0;
+ acpi_status status;
+
+ status = eeepc_wmi_get_devstate(dev_id, &retval);
+
+ if (ACPI_FAILURE(status))
+ return -EINVAL;
+
+ if (!(retval & EEEPC_WMI_DSTS_PRESENCE_BIT))
+ return -ENODEV;
+
+ return retval & mask;
+}
+
+static int eeepc_wmi_get_devstate_simple(u32 dev_id)
+{
+ return eeepc_wmi_get_devstate_bits(dev_id, EEEPC_WMI_DSTS_STATUS_BIT);
+}
+
/*
* LEDs
*/
@@ -253,7 +322,7 @@ static void tpd_led_update(struct work_struct *work)
eeepc = container_of(work, struct eeepc_wmi, tpd_led_work);
ctrl_param = eeepc->tpd_led_wk;
- eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_TPDLED, ctrl_param, NULL);
+ eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL);
}
static void tpd_led_set(struct led_classdev *led_cdev,
@@ -267,25 +336,9 @@ static void tpd_led_set(struct led_classdev *led_cdev,
queue_work(eeepc->led_workqueue, &eeepc->tpd_led_work);
}
-static int read_tpd_state(struct eeepc_wmi *eeepc)
+static int read_tpd_led_state(struct eeepc_wmi *eeepc)
{
- u32 retval;
- acpi_status status;
-
- status = eeepc_wmi_get_devstate(EEEPC_WMI_DEVID_TPDLED, &retval);
-
- if (ACPI_FAILURE(status))
- return -1;
- else if (!retval || retval == 0x00060000)
- /*
- * if touchpad led is present, DSTS will set some bits,
- * usually 0x00020000.
- * 0x00060000 means that the device is not supported
- */
- return -ENODEV;
- else
- /* Status is stored in the first bit */
- return retval & 0x1;
+ return eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_TOUCHPAD_LED);
}
static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
@@ -294,14 +347,14 @@ static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
eeepc = container_of(led_cdev, struct eeepc_wmi, tpd_led);
- return read_tpd_state(eeepc);
+ return read_tpd_led_state(eeepc);
}
static int eeepc_wmi_led_init(struct eeepc_wmi *eeepc)
{
int rv;
- if (read_tpd_state(eeepc) < 0)
+ if (read_tpd_led_state(eeepc) < 0)
return 0;
eeepc->led_workqueue = create_singlethread_workqueue("led_workqueue");
@@ -333,30 +386,280 @@ static void eeepc_wmi_led_exit(struct eeepc_wmi *eeepc)
}
/*
+ * PCI hotplug (for wlan rfkill)
+ */
+static bool eeepc_wlan_rfkill_blocked(struct eeepc_wmi *eeepc)
+{
+ int result = eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_WLAN);
+
+ if (result < 0)
+ return false;
+ return !result;
+}
+
+static void eeepc_rfkill_hotplug(struct eeepc_wmi *eeepc)
+{
+ struct pci_dev *dev;
+ struct pci_bus *bus;
+ bool blocked;
+ bool absent;
+ u32 l;
+
+ mutex_lock(&eeepc->wmi_lock);
+ blocked = eeepc_wlan_rfkill_blocked(eeepc);
+ mutex_unlock(&eeepc->wmi_lock);
+
+ mutex_lock(&eeepc->hotplug_lock);
+
+ if (eeepc->wlan_rfkill)
+ rfkill_set_sw_state(eeepc->wlan_rfkill, blocked);
+
+ if (eeepc->hotplug_slot) {
+ bus = pci_find_bus(0, 1);
+ if (!bus) {
+ pr_warning("Unable to find PCI bus 1?\n");
+ goto out_unlock;
+ }
+
+ if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
+ pr_err("Unable to read PCI config space?\n");
+ goto out_unlock;
+ }
+ absent = (l == 0xffffffff);
+
+ if (blocked != absent) {
+ pr_warning("BIOS says wireless lan is %s, "
+ "but the pci device is %s\n",
+ blocked ? "blocked" : "unblocked",
+ absent ? "absent" : "present");
+ pr_warning("skipped wireless hotplug as probably "
+ "inappropriate for this model\n");
+ goto out_unlock;
+ }
+
+ if (!blocked) {
+ dev = pci_get_slot(bus, 0);
+ if (dev) {
+ /* Device already present */
+ pci_dev_put(dev);
+ goto out_unlock;
+ }
+ dev = pci_scan_single_device(bus, 0);
+ if (dev) {
+ pci_bus_assign_resources(bus);
+ if (pci_bus_add_device(dev))
+ pr_err("Unable to hotplug wifi\n");
+ }
+ } else {
+ dev = pci_get_slot(bus, 0);
+ if (dev) {
+ pci_remove_bus_device(dev);
+ pci_dev_put(dev);
+ }
+ }
+ }
+
+out_unlock:
+ mutex_unlock(&eeepc->hotplug_lock);
+}
+
+static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
+{
+ struct eeepc_wmi *eeepc = data;
+
+ if (event != ACPI_NOTIFY_BUS_CHECK)
+ return;
+
+ /*
+ * We can't call directly eeepc_rfkill_hotplug because most
+ * of the time WMBC is still being executed and not reetrant.
+ * There is currently no way to tell ACPICA that we want this
+ * method to be serialized, we schedule a eeepc_rfkill_hotplug
+ * call later, in a safer context.
+ */
+ queue_work(eeepc->hotplug_workqueue, &eeepc->hotplug_work);
+}
+
+static int eeepc_register_rfkill_notifier(struct eeepc_wmi *eeepc,
+ char *node)
+{
+ acpi_status status;
+ acpi_handle handle;
+
+ status = acpi_get_handle(NULL, node, &handle);
+
+ if (ACPI_SUCCESS(status)) {
+ status = acpi_install_notify_handler(handle,
+ ACPI_SYSTEM_NOTIFY,
+ eeepc_rfkill_notify,
+ eeepc);
+ if (ACPI_FAILURE(status))
+ pr_warning("Failed to register notify on %s\n", node);
+ } else
+ return -ENODEV;
+
+ return 0;
+}
+
+static void eeepc_unregister_rfkill_notifier(struct eeepc_wmi *eeepc,
+ char *node)
+{
+ acpi_status status = AE_OK;
+ acpi_handle handle;
+
+ status = acpi_get_handle(NULL, node, &handle);
+
+ if (ACPI_SUCCESS(status)) {
+ status = acpi_remove_notify_handler(handle,
+ ACPI_SYSTEM_NOTIFY,
+ eeepc_rfkill_notify);
+ if (ACPI_FAILURE(status))
+ pr_err("Error removing rfkill notify handler %s\n",
+ node);
+ }
+}
+
+static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot,
+ u8 *value)
+{
+ int result = eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_WLAN);
+
+ if (result < 0)
+ return result;
+
+ *value = !!result;
+ return 0;
+}
+
+static void eeepc_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot)
+{
+ kfree(hotplug_slot->info);
+ kfree(hotplug_slot);
+}
+
+static struct hotplug_slot_ops eeepc_hotplug_slot_ops = {
+ .owner = THIS_MODULE,
+ .get_adapter_status = eeepc_get_adapter_status,
+ .get_power_status = eeepc_get_adapter_status,
+};
+
+static void eeepc_hotplug_work(struct work_struct *work)
+{
+ struct eeepc_wmi *eeepc;
+
+ eeepc = container_of(work, struct eeepc_wmi, hotplug_work);
+ eeepc_rfkill_hotplug(eeepc);
+}
+
+static int eeepc_setup_pci_hotplug(struct eeepc_wmi *eeepc)
+{
+ int ret = -ENOMEM;
+ struct pci_bus *bus = pci_find_bus(0, 1);
+
+ if (!bus) {
+ pr_err("Unable to find wifi PCI bus\n");
+ return -ENODEV;
+ }
+
+ eeepc->hotplug_workqueue =
+ create_singlethread_workqueue("hotplug_workqueue");
+ if (!eeepc->hotplug_workqueue)
+ goto error_workqueue;
+
+ INIT_WORK(&eeepc->hotplug_work, eeepc_hotplug_work);
+
+ eeepc->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL);
+ if (!eeepc->hotplug_slot)
+ goto error_slot;
+
+ eeepc->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info),
+ GFP_KERNEL);
+ if (!eeepc->hotplug_slot->info)
+ goto error_info;
+
+ eeepc->hotplug_slot->private = eeepc;
+ eeepc->hotplug_slot->release = &eeepc_cleanup_pci_hotplug;
+ eeepc->hotplug_slot->ops = &eeepc_hotplug_slot_ops;
+ eeepc_get_adapter_status(eeepc->hotplug_slot,
+ &eeepc->hotplug_slot->info->adapter_status);
+
+ ret = pci_hp_register(eeepc->hotplug_slot, bus, 0, "eeepc-wifi");
+ if (ret) {
+ pr_err("Unable to register hotplug slot - %d\n", ret);
+ goto error_register;
+ }
+
+ return 0;
+
+error_register:
+ kfree(eeepc->hotplug_slot->info);
+error_info:
+ kfree(eeepc->hotplug_slot);
+ eeepc->hotplug_slot = NULL;
+error_slot:
+ destroy_workqueue(eeepc->hotplug_workqueue);
+error_workqueue:
+ return ret;
+}
+
+/*
* Rfkill devices
*/
static int eeepc_rfkill_set(void *data, bool blocked)
{
int dev_id = (unsigned long)data;
u32 ctrl_param = !blocked;
+ acpi_status status;
+
+ status = eeepc_wmi_set_devstate(dev_id, ctrl_param, NULL);
+
+ if (ACPI_FAILURE(status))
+ return -EIO;
- return eeepc_wmi_set_devstate(dev_id, ctrl_param, NULL);
+ return 0;
}
static void eeepc_rfkill_query(struct rfkill *rfkill, void *data)
{
int dev_id = (unsigned long)data;
- u32 retval;
- acpi_status status;
+ int result;
- status = eeepc_wmi_get_devstate(dev_id, &retval);
+ result = eeepc_wmi_get_devstate_simple(dev_id);
- if (ACPI_FAILURE(status))
+ if (result < 0)
return ;
- rfkill_set_sw_state(rfkill, !(retval & 0x1));
+ rfkill_set_sw_state(rfkill, !result);
+}
+
+static int eeepc_rfkill_wlan_set(void *data, bool blocked)
+{
+ struct eeepc_wmi *eeepc = data;
+ int ret;
+
+ /*
+ * This handler is enabled only if hotplug is enabled.
+ * In this case, the eeepc_wmi_set_devstate() will
+ * trigger a wmi notification and we need to wait
+ * this call to finish before being able to call
+ * any wmi method
+ */
+ mutex_lock(&eeepc->wmi_lock);
+ ret = eeepc_rfkill_set((void *)(long)EEEPC_WMI_DEVID_WLAN, blocked);
+ mutex_unlock(&eeepc->wmi_lock);
+ return ret;
}
+static void eeepc_rfkill_wlan_query(struct rfkill *rfkill, void *data)
+{
+ eeepc_rfkill_query(rfkill, (void *)(long)EEEPC_WMI_DEVID_WLAN);
+}
+
+static const struct rfkill_ops eeepc_rfkill_wlan_ops = {
+ .set_block = eeepc_rfkill_wlan_set,
+ .query = eeepc_rfkill_wlan_query,
+};
+
static const struct rfkill_ops eeepc_rfkill_ops = {
.set_block = eeepc_rfkill_set,
.query = eeepc_rfkill_query,
@@ -367,31 +670,22 @@ static int eeepc_new_rfkill(struct eeepc_wmi *eeepc,
const char *name,
enum rfkill_type type, int dev_id)
{
- int result;
- u32 retval;
- acpi_status status;
-
- status = eeepc_wmi_get_devstate(dev_id, &retval);
+ int result = eeepc_wmi_get_devstate_simple(dev_id);
- if (ACPI_FAILURE(status))
- return -1;
-
- /* If the device is present, DSTS will always set some bits
- * 0x00070000 - 1110000000000000000 - device supported
- * 0x00060000 - 1100000000000000000 - not supported
- * 0x00020000 - 0100000000000000000 - device supported
- * 0x00010000 - 0010000000000000000 - not supported / special mode ?
- */
- if (!retval || retval == 0x00060000)
- return -ENODEV;
+ if (result < 0)
+ return result;
- *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type,
- &eeepc_rfkill_ops, (void *)(long)dev_id);
+ if (dev_id == EEEPC_WMI_DEVID_WLAN && eeepc->hotplug_wireless)
+ *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type,
+ &eeepc_rfkill_wlan_ops, eeepc);
+ else
+ *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type,
+ &eeepc_rfkill_ops, (void *)(long)dev_id);
if (!*rfkill)
return -EINVAL;
- rfkill_init_sw_state(*rfkill, !(retval & 0x1));
+ rfkill_init_sw_state(*rfkill, !result);
result = rfkill_register(*rfkill);
if (result) {
rfkill_destroy(*rfkill);
@@ -403,16 +697,34 @@ static int eeepc_new_rfkill(struct eeepc_wmi *eeepc,
static void eeepc_wmi_rfkill_exit(struct eeepc_wmi *eeepc)
{
+ eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5");
+ eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6");
+ eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7");
if (eeepc->wlan_rfkill) {
rfkill_unregister(eeepc->wlan_rfkill);
rfkill_destroy(eeepc->wlan_rfkill);
eeepc->wlan_rfkill = NULL;
}
+ /*
+ * Refresh pci hotplug in case the rfkill state was changed after
+ * eeepc_unregister_rfkill_notifier()
+ */
+ eeepc_rfkill_hotplug(eeepc);
+ if (eeepc->hotplug_slot)
+ pci_hp_deregister(eeepc->hotplug_slot);
+ if (eeepc->hotplug_workqueue)
+ destroy_workqueue(eeepc->hotplug_workqueue);
+
if (eeepc->bluetooth_rfkill) {
rfkill_unregister(eeepc->bluetooth_rfkill);
rfkill_destroy(eeepc->bluetooth_rfkill);
eeepc->bluetooth_rfkill = NULL;
}
+ if (eeepc->wimax_rfkill) {
+ rfkill_unregister(eeepc->wimax_rfkill);
+ rfkill_destroy(eeepc->wimax_rfkill);
+ eeepc->wimax_rfkill = NULL;
+ }
if (eeepc->wwan3g_rfkill) {
rfkill_unregister(eeepc->wwan3g_rfkill);
rfkill_destroy(eeepc->wwan3g_rfkill);
@@ -424,6 +736,9 @@ static int eeepc_wmi_rfkill_init(struct eeepc_wmi *eeepc)
{
int result = 0;
+ mutex_init(&eeepc->hotplug_lock);
+ mutex_init(&eeepc->wmi_lock);
+
result = eeepc_new_rfkill(eeepc, &eeepc->wlan_rfkill,
"eeepc-wlan", RFKILL_TYPE_WLAN,
EEEPC_WMI_DEVID_WLAN);
@@ -438,6 +753,13 @@ static int eeepc_wmi_rfkill_init(struct eeepc_wmi *eeepc)
if (result && result != -ENODEV)
goto exit;
+ result = eeepc_new_rfkill(eeepc, &eeepc->wimax_rfkill,
+ "eeepc-wimax", RFKILL_TYPE_WIMAX,
+ EEEPC_WMI_DEVID_WIMAX);
+
+ if (result && result != -ENODEV)
+ goto exit;
+
result = eeepc_new_rfkill(eeepc, &eeepc->wwan3g_rfkill,
"eeepc-wwan3g", RFKILL_TYPE_WWAN,
EEEPC_WMI_DEVID_WWAN3G);
@@ -445,6 +767,26 @@ static int eeepc_wmi_rfkill_init(struct eeepc_wmi *eeepc)
if (result && result != -ENODEV)
goto exit;
+ if (!eeepc->hotplug_wireless)
+ goto exit;
+
+ result = eeepc_setup_pci_hotplug(eeepc);
+ /*
+ * If we get -EBUSY then something else is handling the PCI hotplug -
+ * don't fail in this case
+ */
+ if (result == -EBUSY)
+ result = 0;
+
+ eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5");
+ eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6");
+ eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7");
+ /*
+ * Refresh pci hotplug in case the rfkill state was changed during
+ * setup.
+ */
+ eeepc_rfkill_hotplug(eeepc);
+
exit:
if (result && result != -ENODEV)
eeepc_wmi_rfkill_exit(eeepc);
@@ -458,34 +800,53 @@ exit:
/*
* Backlight
*/
+static int read_backlight_power(void)
+{
+ int ret = eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_BACKLIGHT);
+
+ if (ret < 0)
+ return ret;
+
+ return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
+}
+
static int read_brightness(struct backlight_device *bd)
{
u32 retval;
acpi_status status;
- status = eeepc_wmi_get_devstate(EEEPC_WMI_DEVID_BACKLIGHT, &retval);
+ status = eeepc_wmi_get_devstate(EEEPC_WMI_DEVID_BRIGHTNESS, &retval);
if (ACPI_FAILURE(status))
- return -1;
+ return -EIO;
else
- return retval & 0xFF;
+ return retval & EEEPC_WMI_DSTS_BRIGHTNESS_MASK;
}
static int update_bl_status(struct backlight_device *bd)
{
-
u32 ctrl_param;
acpi_status status;
+ int power;
ctrl_param = bd->props.brightness;
- status = eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_BACKLIGHT,
+ status = eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_BRIGHTNESS,
ctrl_param, NULL);
if (ACPI_FAILURE(status))
- return -1;
- else
- return 0;
+ return -EIO;
+
+ power = read_backlight_power();
+ if (power != -ENODEV && bd->props.power != power) {
+ ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK);
+ status = eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_BACKLIGHT,
+ ctrl_param, NULL);
+
+ if (ACPI_FAILURE(status))
+ return -EIO;
+ }
+ return 0;
}
static const struct backlight_ops eeepc_wmi_bl_ops = {
@@ -515,9 +876,29 @@ static int eeepc_wmi_backlight_init(struct eeepc_wmi *eeepc)
{
struct backlight_device *bd;
struct backlight_properties props;
+ int max;
+ int power;
+
+ max = eeepc_wmi_get_devstate_bits(EEEPC_WMI_DEVID_BRIGHTNESS,
+ EEEPC_WMI_DSTS_MAX_BRIGTH_MASK);
+ power = read_backlight_power();
+
+ if (max < 0 && power < 0) {
+ /* Try to keep the original error */
+ if (max == -ENODEV && power == -ENODEV)
+ return -ENODEV;
+ if (max != -ENODEV)
+ return max;
+ else
+ return power;
+ }
+ if (max == -ENODEV)
+ max = 0;
+ if (power == -ENODEV)
+ power = FB_BLANK_UNBLANK;
memset(&props, 0, sizeof(struct backlight_properties));
- props.max_brightness = 15;
+ props.max_brightness = max;
bd = backlight_device_register(EEEPC_WMI_FILE,
&eeepc->platform_device->dev, eeepc,
&eeepc_wmi_bl_ops, &props);
@@ -529,7 +910,7 @@ static int eeepc_wmi_backlight_init(struct eeepc_wmi *eeepc)
eeepc->backlight_device = bd;
bd->props.brightness = read_brightness(bd);
- bd->props.power = FB_BLANK_UNBLANK;
+ bd->props.power = power;
backlight_update_status(bd);
return 0;
@@ -583,6 +964,71 @@ static void eeepc_wmi_notify(u32 value, void *context)
kfree(obj);
}
+/*
+ * Sys helpers
+ */
+static int parse_arg(const char *buf, unsigned long count, int *val)
+{
+ if (!count)
+ return 0;
+ if (sscanf(buf, "%i", val) != 1)
+ return -EINVAL;
+ return count;
+}
+
+static ssize_t store_sys_wmi(int devid, const char *buf, size_t count)
+{
+ acpi_status status;
+ u32 retval;
+ int rv, value;
+
+ value = eeepc_wmi_get_devstate_simple(devid);
+ if (value == -ENODEV) /* Check device presence */
+ return value;
+
+ rv = parse_arg(buf, count, &value);
+ status = eeepc_wmi_set_devstate(devid, value, &retval);
+
+ if (ACPI_FAILURE(status))
+ return -EIO;
+ return rv;
+}
+
+static ssize_t show_sys_wmi(int devid, char *buf)
+{
+ int value = eeepc_wmi_get_devstate_simple(devid);
+
+ if (value < 0)
+ return value;
+
+ return sprintf(buf, "%d\n", value);
+}
+
+#define EEEPC_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \
+ static ssize_t show_##_name(struct device *dev, \
+ struct device_attribute *attr, \
+ char *buf) \
+ { \
+ return show_sys_wmi(_cm, buf); \
+ } \
+ static ssize_t store_##_name(struct device *dev, \
+ struct device_attribute *attr, \
+ const char *buf, size_t count) \
+ { \
+ return store_sys_wmi(_cm, buf, count); \
+ } \
+ static struct device_attribute dev_attr_##_name = { \
+ .attr = { \
+ .name = __stringify(_name), \
+ .mode = _mode }, \
+ .show = show_##_name, \
+ .store = store_##_name, \
+ }
+
+EEEPC_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, EEEPC_WMI_DEVID_TOUCHPAD);
+EEEPC_WMI_CREATE_DEVICE_ATTR(camera, 0644, EEEPC_WMI_DEVID_CAMERA);
+EEEPC_WMI_CREATE_DEVICE_ATTR(cardr, 0644, EEEPC_WMI_DEVID_CARDREADER);
+
static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -608,11 +1054,35 @@ static DEVICE_ATTR(cpufv, S_IRUGO | S_IWUSR, NULL, store_cpufv);
static struct attribute *platform_attributes[] = {
&dev_attr_cpufv.attr,
+ &dev_attr_camera.attr,
+ &dev_attr_cardr.attr,
+ &dev_attr_touchpad.attr,
NULL
};
+static mode_t eeepc_sysfs_is_visible(struct kobject *kobj,
+ struct attribute *attr,
+ int idx)
+{
+ bool supported = true;
+ int devid = -1;
+
+ if (attr == &dev_attr_camera.attr)
+ devid = EEEPC_WMI_DEVID_CAMERA;
+ else if (attr == &dev_attr_cardr.attr)
+ devid = EEEPC_WMI_DEVID_CARDREADER;
+ else if (attr == &dev_attr_touchpad.attr)
+ devid = EEEPC_WMI_DEVID_TOUCHPAD;
+
+ if (devid != -1)
+ supported = eeepc_wmi_get_devstate_simple(devid) != -ENODEV;
+
+ return supported ? attr->mode : 0;
+}
+
static struct attribute_group platform_attribute_group = {
- .attrs = platform_attributes
+ .is_visible = eeepc_sysfs_is_visible,
+ .attrs = platform_attributes
};
static void eeepc_wmi_sysfs_exit(struct platform_device *device)
@@ -630,33 +1100,12 @@ static int eeepc_wmi_sysfs_init(struct platform_device *device)
*/
static int __init eeepc_wmi_platform_init(struct eeepc_wmi *eeepc)
{
- int err;
-
- eeepc->platform_device = platform_device_alloc(EEEPC_WMI_FILE, -1);
- if (!eeepc->platform_device)
- return -ENOMEM;
- platform_set_drvdata(eeepc->platform_device, eeepc);
-
- err = platform_device_add(eeepc->platform_device);
- if (err)
- goto fail_platform_device;
-
- err = eeepc_wmi_sysfs_init(eeepc->platform_device);
- if (err)
- goto fail_sysfs;
- return 0;
-
-fail_sysfs:
- platform_device_del(eeepc->platform_device);
-fail_platform_device:
- platform_device_put(eeepc->platform_device);
- return err;
+ return eeepc_wmi_sysfs_init(eeepc->platform_device);
}
static void eeepc_wmi_platform_exit(struct eeepc_wmi *eeepc)
{
eeepc_wmi_sysfs_exit(eeepc->platform_device);
- platform_device_unregister(eeepc->platform_device);
}
/*
@@ -770,7 +1219,29 @@ error_debugfs:
/*
* WMI Driver
*/
-static struct platform_device * __init eeepc_wmi_add(void)
+static void eeepc_dmi_check(struct eeepc_wmi *eeepc)
+{
+ const char *model;
+
+ model = dmi_get_system_info(DMI_PRODUCT_NAME);
+ if (!model)
+ return;
+
+ /*
+ * Whitelist for wlan hotplug
+ *
+ * Eeepc 1000H needs the current hotplug code to handle
+ * Fn+F2 correctly. We may add other Eeepc here later, but
+ * it seems that most of the laptops supported by eeepc-wmi
+ * don't need to be on this list
+ */
+ if (strcmp(model, "1000H") == 0) {
+ eeepc->hotplug_wireless = true;
+ pr_info("wlan hotplug enabled\n");
+ }
+}
+
+static int __init eeepc_wmi_add(struct platform_device *pdev)
{
struct eeepc_wmi *eeepc;
acpi_status status;
@@ -778,12 +1249,14 @@ static struct platform_device * __init eeepc_wmi_add(void)
eeepc = kzalloc(sizeof(struct eeepc_wmi), GFP_KERNEL);
if (!eeepc)
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
+
+ eeepc->platform_device = pdev;
+ platform_set_drvdata(eeepc->platform_device, eeepc);
+
+ eeepc->hotplug_wireless = hotplug_wireless;
+ eeepc_dmi_check(eeepc);
- /*
- * Register the platform device first. It is used as a parent for the
- * sub-devices below.
- */
err = eeepc_wmi_platform_init(eeepc);
if (err)
goto fail_platform;
@@ -802,7 +1275,7 @@ static struct platform_device * __init eeepc_wmi_add(void)
if (!acpi_video_backlight_support()) {
err = eeepc_wmi_backlight_init(eeepc);
- if (err)
+ if (err && err != -ENODEV)
goto fail_backlight;
} else
pr_info("Backlight controlled by ACPI video driver\n");
@@ -820,7 +1293,7 @@ static struct platform_device * __init eeepc_wmi_add(void)
if (err)
goto fail_debugfs;
- return eeepc->platform_device;
+ return 0;
fail_debugfs:
wmi_remove_notify_handler(EEEPC_WMI_EVENT_GUID);
@@ -836,10 +1309,10 @@ fail_input:
eeepc_wmi_platform_exit(eeepc);
fail_platform:
kfree(eeepc);
- return ERR_PTR(err);
+ return err;
}
-static int eeepc_wmi_remove(struct platform_device *device)
+static int __exit eeepc_wmi_remove(struct platform_device *device)
{
struct eeepc_wmi *eeepc;
@@ -856,10 +1329,64 @@ static int eeepc_wmi_remove(struct platform_device *device)
return 0;
}
+/*
+ * Platform driver - hibernate/resume callbacks
+ */
+static int eeepc_hotk_thaw(struct device *device)
+{
+ struct eeepc_wmi *eeepc = dev_get_drvdata(device);
+
+ if (eeepc->wlan_rfkill) {
+ bool wlan;
+
+ /*
+ * Work around bios bug - acpi _PTS turns off the wireless led
+ * during suspend. Normally it restores it on resume, but
+ * we should kick it ourselves in case hibernation is aborted.
+ */
+ wlan = eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_WLAN);
+ eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_WLAN, wlan, NULL);
+ }
+
+ return 0;
+}
+
+static int eeepc_hotk_restore(struct device *device)
+{
+ struct eeepc_wmi *eeepc = dev_get_drvdata(device);
+ int bl;
+
+ /* Refresh both wlan rfkill state and pci hotplug */
+ if (eeepc->wlan_rfkill)
+ eeepc_rfkill_hotplug(eeepc);
+
+ if (eeepc->bluetooth_rfkill) {
+ bl = !eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_BLUETOOTH);
+ rfkill_set_sw_state(eeepc->bluetooth_rfkill, bl);
+ }
+ if (eeepc->wimax_rfkill) {
+ bl = !eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_WIMAX);
+ rfkill_set_sw_state(eeepc->wimax_rfkill, bl);
+ }
+ if (eeepc->wwan3g_rfkill) {
+ bl = !eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_WWAN3G);
+ rfkill_set_sw_state(eeepc->wwan3g_rfkill, bl);
+ }
+
+ return 0;
+}
+
+static const struct dev_pm_ops eeepc_pm_ops = {
+ .thaw = eeepc_hotk_thaw,
+ .restore = eeepc_hotk_restore,
+};
+
static struct platform_driver platform_driver = {
+ .remove = __exit_p(eeepc_wmi_remove),
.driver = {
.name = EEEPC_WMI_FILE,
.owner = THIS_MODULE,
+ .pm = &eeepc_pm_ops,
},
};
@@ -884,10 +1411,8 @@ static int __init eeepc_wmi_check_atkd(void)
return -1;
}
-static int __init eeepc_wmi_init(void)
+static int __init eeepc_wmi_probe(struct platform_device *pdev)
{
- int err;
-
if (!wmi_has_guid(EEEPC_WMI_EVENT_GUID) ||
!wmi_has_guid(EEEPC_WMI_MGMT_GUID)) {
pr_warning("No known WMI GUID found\n");
@@ -904,29 +1429,24 @@ static int __init eeepc_wmi_init(void)
return -ENODEV;
}
- platform_device = eeepc_wmi_add();
- if (IS_ERR(platform_device)) {
- err = PTR_ERR(platform_device);
- goto fail_eeepc_wmi;
- }
+ return eeepc_wmi_add(pdev);
+}
- err = platform_driver_register(&platform_driver);
- if (err) {
- pr_warning("Unable to register platform driver\n");
- goto fail_platform_driver;
- }
+static struct platform_device *platform_device;
+static int __init eeepc_wmi_init(void)
+{
+ platform_device = platform_create_bundle(&platform_driver,
+ eeepc_wmi_probe,
+ NULL, 0, NULL, 0);
+ if (IS_ERR(platform_device))
+ return PTR_ERR(platform_device);
return 0;
-
-fail_platform_driver:
- eeepc_wmi_remove(platform_device);
-fail_eeepc_wmi:
- return err;
}
static void __exit eeepc_wmi_exit(void)
{
- eeepc_wmi_remove(platform_device);
+ platform_device_unregister(platform_device);
platform_driver_unregister(&platform_driver);
}
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 9e05af9c41cb..1bc4a7539ba9 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -2,6 +2,7 @@
* HP WMI hotkeys
*
* Copyright (C) 2008 Red Hat <mjg@redhat.com>
+ * Copyright (C) 2010, 2011 Anssi Hannula <anssi.hannula@iki.fi>
*
* Portions based on wistron_btns.c:
* Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
@@ -51,6 +52,7 @@ MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
#define HPWMI_HARDWARE_QUERY 0x4
#define HPWMI_WIRELESS_QUERY 0x5
#define HPWMI_HOTKEY_QUERY 0xc
+#define HPWMI_WIRELESS2_QUERY 0x1b
#define PREFIX "HP WMI: "
#define UNIMP "Unimplemented "
@@ -86,7 +88,46 @@ struct bios_args {
struct bios_return {
u32 sigpass;
u32 return_code;
- u32 value;
+};
+
+enum hp_return_value {
+ HPWMI_RET_WRONG_SIGNATURE = 0x02,
+ HPWMI_RET_UNKNOWN_COMMAND = 0x03,
+ HPWMI_RET_UNKNOWN_CMDTYPE = 0x04,
+ HPWMI_RET_INVALID_PARAMETERS = 0x05,
+};
+
+enum hp_wireless2_bits {
+ HPWMI_POWER_STATE = 0x01,
+ HPWMI_POWER_SOFT = 0x02,
+ HPWMI_POWER_BIOS = 0x04,
+ HPWMI_POWER_HARD = 0x08,
+};
+
+#define IS_HWBLOCKED(x) ((x & (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) \
+ != (HPWMI_POWER_BIOS | HPWMI_POWER_HARD))
+#define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT)
+
+struct bios_rfkill2_device_state {
+ u8 radio_type;
+ u8 bus_type;
+ u16 vendor_id;
+ u16 product_id;
+ u16 subsys_vendor_id;
+ u16 subsys_product_id;
+ u8 rfkill_id;
+ u8 power;
+ u8 unknown[4];
+};
+
+/* 7 devices fit into the 128 byte buffer */
+#define HPWMI_MAX_RFKILL2_DEVICES 7
+
+struct bios_rfkill2_state {
+ u8 unknown[7];
+ u8 count;
+ u8 pad[8];
+ struct bios_rfkill2_device_state device[HPWMI_MAX_RFKILL2_DEVICES];
};
static const struct key_entry hp_wmi_keymap[] = {
@@ -108,6 +149,15 @@ static struct rfkill *wifi_rfkill;
static struct rfkill *bluetooth_rfkill;
static struct rfkill *wwan_rfkill;
+struct rfkill2_device {
+ u8 id;
+ int num;
+ struct rfkill *rfkill;
+};
+
+static int rfkill2_count;
+static struct rfkill2_device rfkill2[HPWMI_MAX_RFKILL2_DEVICES];
+
static const struct dev_pm_ops hp_wmi_pm_ops = {
.resume = hp_wmi_resume_handler,
.restore = hp_wmi_resume_handler,
@@ -129,7 +179,8 @@ static struct platform_driver hp_wmi_driver = {
* query: The commandtype -> What should be queried
* write: The command -> 0 read, 1 write, 3 ODM specific
* buffer: Buffer used as input and/or output
- * buffersize: Size of buffer
+ * insize: Size of input buffer
+ * outsize: Size of output buffer
*
* returns zero on success
* an HP WMI query specific error code (which is positive)
@@ -140,25 +191,29 @@ static struct platform_driver hp_wmi_driver = {
* size. E.g. Battery info query (0x7) is defined to have 1 byte input
* and 128 byte output. The caller would do:
* buffer = kzalloc(128, GFP_KERNEL);
- * ret = hp_wmi_perform_query(0x7, 0, buffer, 128)
+ * ret = hp_wmi_perform_query(0x7, 0, buffer, 1, 128)
*/
-static int hp_wmi_perform_query(int query, int write, u32 *buffer,
- int buffersize)
+static int hp_wmi_perform_query(int query, int write, void *buffer,
+ int insize, int outsize)
{
- struct bios_return bios_return;
- acpi_status status;
+ struct bios_return *bios_return;
+ int actual_outsize;
union acpi_object *obj;
struct bios_args args = {
.signature = 0x55434553,
.command = write ? 0x2 : 0x1,
.commandtype = query,
- .datasize = buffersize,
- .data = *buffer,
+ .datasize = insize,
+ .data = 0,
};
struct acpi_buffer input = { sizeof(struct bios_args), &args };
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
- status = wmi_evaluate_method(HPWMI_BIOS_GUID, 0, 0x3, &input, &output);
+ if (WARN_ON(insize > sizeof(args.data)))
+ return -EINVAL;
+ memcpy(&args.data, buffer, insize);
+
+ wmi_evaluate_method(HPWMI_BIOS_GUID, 0, 0x3, &input, &output);
obj = output.pointer;
@@ -169,10 +224,26 @@ static int hp_wmi_perform_query(int query, int write, u32 *buffer,
return -EINVAL;
}
- bios_return = *((struct bios_return *)obj->buffer.pointer);
+ bios_return = (struct bios_return *)obj->buffer.pointer;
- memcpy(buffer, &bios_return.value, sizeof(bios_return.value));
+ if (bios_return->return_code) {
+ if (bios_return->return_code != HPWMI_RET_UNKNOWN_CMDTYPE)
+ printk(KERN_WARNING PREFIX "query 0x%x returned "
+ "error 0x%x\n",
+ query, bios_return->return_code);
+ kfree(obj);
+ return bios_return->return_code;
+ }
+
+ if (!outsize) {
+ /* ignore output data */
+ kfree(obj);
+ return 0;
+ }
+ actual_outsize = min(outsize, (int)(obj->buffer.length - sizeof(*bios_return)));
+ memcpy(buffer, obj->buffer.pointer + sizeof(*bios_return), actual_outsize);
+ memset(buffer + actual_outsize, 0, outsize - actual_outsize);
kfree(obj);
return 0;
}
@@ -181,7 +252,7 @@ static int hp_wmi_display_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, 0, &state,
- sizeof(state));
+ sizeof(state), sizeof(state));
if (ret)
return -EINVAL;
return state;
@@ -191,7 +262,7 @@ static int hp_wmi_hddtemp_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, 0, &state,
- sizeof(state));
+ sizeof(state), sizeof(state));
if (ret)
return -EINVAL;
return state;
@@ -201,7 +272,7 @@ static int hp_wmi_als_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 0, &state,
- sizeof(state));
+ sizeof(state), sizeof(state));
if (ret)
return -EINVAL;
return state;
@@ -211,7 +282,7 @@ static int hp_wmi_dock_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state,
- sizeof(state));
+ sizeof(state), sizeof(state));
if (ret)
return -EINVAL;
@@ -223,7 +294,7 @@ static int hp_wmi_tablet_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state,
- sizeof(state));
+ sizeof(state), sizeof(state));
if (ret)
return ret;
@@ -237,7 +308,7 @@ static int hp_wmi_set_block(void *data, bool blocked)
int ret;
ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1,
- &query, sizeof(query));
+ &query, sizeof(query), 0);
if (ret)
return -EINVAL;
return 0;
@@ -252,7 +323,8 @@ static bool hp_wmi_get_sw_state(enum hp_wmi_radio r)
int wireless = 0;
int mask;
hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0,
- &wireless, sizeof(wireless));
+ &wireless, sizeof(wireless),
+ sizeof(wireless));
/* TBD: Pass error */
mask = 0x200 << (r * 8);
@@ -268,7 +340,8 @@ static bool hp_wmi_get_hw_state(enum hp_wmi_radio r)
int wireless = 0;
int mask;
hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0,
- &wireless, sizeof(wireless));
+ &wireless, sizeof(wireless),
+ sizeof(wireless));
/* TBD: Pass error */
mask = 0x800 << (r * 8);
@@ -279,6 +352,51 @@ static bool hp_wmi_get_hw_state(enum hp_wmi_radio r)
return true;
}
+static int hp_wmi_rfkill2_set_block(void *data, bool blocked)
+{
+ int rfkill_id = (int)(long)data;
+ char buffer[4] = { 0x01, 0x00, rfkill_id, !blocked };
+
+ if (hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 1,
+ buffer, sizeof(buffer), 0))
+ return -EINVAL;
+ return 0;
+}
+
+static const struct rfkill_ops hp_wmi_rfkill2_ops = {
+ .set_block = hp_wmi_rfkill2_set_block,
+};
+
+static int hp_wmi_rfkill2_refresh(void)
+{
+ int err, i;
+ struct bios_rfkill2_state state;
+
+ err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 0, &state,
+ 0, sizeof(state));
+ if (err)
+ return err;
+
+ for (i = 0; i < rfkill2_count; i++) {
+ int num = rfkill2[i].num;
+ struct bios_rfkill2_device_state *devstate;
+ devstate = &state.device[num];
+
+ if (num >= state.count ||
+ devstate->rfkill_id != rfkill2[i].id) {
+ printk(KERN_WARNING PREFIX "power configuration of "
+ "the wireless devices unexpectedly changed\n");
+ continue;
+ }
+
+ rfkill_set_states(rfkill2[i].rfkill,
+ IS_SWBLOCKED(devstate->power),
+ IS_HWBLOCKED(devstate->power));
+ }
+
+ return 0;
+}
+
static ssize_t show_display(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -329,7 +447,7 @@ static ssize_t set_als(struct device *dev, struct device_attribute *attr,
{
u32 tmp = simple_strtoul(buf, NULL, 10);
int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 1, &tmp,
- sizeof(tmp));
+ sizeof(tmp), sizeof(tmp));
if (ret)
return -EINVAL;
@@ -402,6 +520,7 @@ static void hp_wmi_notify(u32 value, void *context)
case HPWMI_BEZEL_BUTTON:
ret = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0,
&key_code,
+ sizeof(key_code),
sizeof(key_code));
if (ret)
break;
@@ -412,6 +531,11 @@ static void hp_wmi_notify(u32 value, void *context)
key_code);
break;
case HPWMI_WIRELESS:
+ if (rfkill2_count) {
+ hp_wmi_rfkill2_refresh();
+ break;
+ }
+
if (wifi_rfkill)
rfkill_set_states(wifi_rfkill,
hp_wmi_get_sw_state(HPWMI_WIFI),
@@ -502,32 +626,16 @@ static void cleanup_sysfs(struct platform_device *device)
device_remove_file(&device->dev, &dev_attr_tablet);
}
-static int __devinit hp_wmi_bios_setup(struct platform_device *device)
+static int __devinit hp_wmi_rfkill_setup(struct platform_device *device)
{
int err;
int wireless = 0;
err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, &wireless,
- sizeof(wireless));
+ sizeof(wireless), sizeof(wireless));
if (err)
return err;
- err = device_create_file(&device->dev, &dev_attr_display);
- if (err)
- goto add_sysfs_error;
- err = device_create_file(&device->dev, &dev_attr_hddtemp);
- if (err)
- goto add_sysfs_error;
- err = device_create_file(&device->dev, &dev_attr_als);
- if (err)
- goto add_sysfs_error;
- err = device_create_file(&device->dev, &dev_attr_dock);
- if (err)
- goto add_sysfs_error;
- err = device_create_file(&device->dev, &dev_attr_tablet);
- if (err)
- goto add_sysfs_error;
-
if (wireless & 0x1) {
wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev,
RFKILL_TYPE_WLAN,
@@ -573,14 +681,131 @@ static int __devinit hp_wmi_bios_setup(struct platform_device *device)
return 0;
register_wwan_err:
rfkill_destroy(wwan_rfkill);
+ wwan_rfkill = NULL;
if (bluetooth_rfkill)
rfkill_unregister(bluetooth_rfkill);
register_bluetooth_error:
rfkill_destroy(bluetooth_rfkill);
+ bluetooth_rfkill = NULL;
if (wifi_rfkill)
rfkill_unregister(wifi_rfkill);
register_wifi_error:
rfkill_destroy(wifi_rfkill);
+ wifi_rfkill = NULL;
+ return err;
+}
+
+static int __devinit hp_wmi_rfkill2_setup(struct platform_device *device)
+{
+ int err, i;
+ struct bios_rfkill2_state state;
+ err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 0, &state,
+ 0, sizeof(state));
+ if (err)
+ return err;
+
+ if (state.count > HPWMI_MAX_RFKILL2_DEVICES) {
+ printk(KERN_WARNING PREFIX "unable to parse 0x1b query output\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < state.count; i++) {
+ struct rfkill *rfkill;
+ enum rfkill_type type;
+ char *name;
+ switch (state.device[i].radio_type) {
+ case HPWMI_WIFI:
+ type = RFKILL_TYPE_WLAN;
+ name = "hp-wifi";
+ break;
+ case HPWMI_BLUETOOTH:
+ type = RFKILL_TYPE_BLUETOOTH;
+ name = "hp-bluetooth";
+ break;
+ case HPWMI_WWAN:
+ type = RFKILL_TYPE_WWAN;
+ name = "hp-wwan";
+ break;
+ default:
+ printk(KERN_WARNING PREFIX "unknown device type 0x%x\n",
+ state.device[i].radio_type);
+ continue;
+ }
+
+ if (!state.device[i].vendor_id) {
+ printk(KERN_WARNING PREFIX "zero device %d while %d "
+ "reported\n", i, state.count);
+ continue;
+ }
+
+ rfkill = rfkill_alloc(name, &device->dev, type,
+ &hp_wmi_rfkill2_ops, (void *)(long)i);
+ if (!rfkill) {
+ err = -ENOMEM;
+ goto fail;
+ }
+
+ rfkill2[rfkill2_count].id = state.device[i].rfkill_id;
+ rfkill2[rfkill2_count].num = i;
+ rfkill2[rfkill2_count].rfkill = rfkill;
+
+ rfkill_init_sw_state(rfkill,
+ IS_SWBLOCKED(state.device[i].power));
+ rfkill_set_hw_state(rfkill,
+ IS_HWBLOCKED(state.device[i].power));
+
+ if (!(state.device[i].power & HPWMI_POWER_BIOS))
+ printk(KERN_INFO PREFIX "device %s blocked by BIOS\n",
+ name);
+
+ err = rfkill_register(rfkill);
+ if (err) {
+ rfkill_destroy(rfkill);
+ goto fail;
+ }
+
+ rfkill2_count++;
+ }
+
+ return 0;
+fail:
+ for (; rfkill2_count > 0; rfkill2_count--) {
+ rfkill_unregister(rfkill2[rfkill2_count - 1].rfkill);
+ rfkill_destroy(rfkill2[rfkill2_count - 1].rfkill);
+ }
+ return err;
+}
+
+static int __devinit hp_wmi_bios_setup(struct platform_device *device)
+{
+ int err;
+
+ /* clear detected rfkill devices */
+ wifi_rfkill = NULL;
+ bluetooth_rfkill = NULL;
+ wwan_rfkill = NULL;
+ rfkill2_count = 0;
+
+ if (hp_wmi_rfkill_setup(device))
+ hp_wmi_rfkill2_setup(device);
+
+ err = device_create_file(&device->dev, &dev_attr_display);
+ if (err)
+ goto add_sysfs_error;
+ err = device_create_file(&device->dev, &dev_attr_hddtemp);
+ if (err)
+ goto add_sysfs_error;
+ err = device_create_file(&device->dev, &dev_attr_als);
+ if (err)
+ goto add_sysfs_error;
+ err = device_create_file(&device->dev, &dev_attr_dock);
+ if (err)
+ goto add_sysfs_error;
+ err = device_create_file(&device->dev, &dev_attr_tablet);
+ if (err)
+ goto add_sysfs_error;
+ return 0;
+
add_sysfs_error:
cleanup_sysfs(device);
return err;
@@ -588,8 +813,14 @@ add_sysfs_error:
static int __exit hp_wmi_bios_remove(struct platform_device *device)
{
+ int i;
cleanup_sysfs(device);
+ for (i = 0; i < rfkill2_count; i++) {
+ rfkill_unregister(rfkill2[i].rfkill);
+ rfkill_destroy(rfkill2[i].rfkill);
+ }
+
if (wifi_rfkill) {
rfkill_unregister(wifi_rfkill);
rfkill_destroy(wifi_rfkill);
@@ -622,6 +853,9 @@ static int hp_wmi_resume_handler(struct device *device)
input_sync(hp_wmi_input_dev);
}
+ if (rfkill2_count)
+ hp_wmi_rfkill2_refresh();
+
if (wifi_rfkill)
rfkill_set_states(wifi_rfkill,
hp_wmi_get_sw_state(HPWMI_WIFI),
diff --git a/drivers/platform/x86/intel_mid_powerbtn.c b/drivers/platform/x86/intel_mid_powerbtn.c
new file mode 100644
index 000000000000..213e79ba68d5
--- /dev/null
+++ b/drivers/platform/x86/intel_mid_powerbtn.c
@@ -0,0 +1,148 @@
+/*
+ * Power button driver for Medfield.
+ *
+ * Copyright (C) 2010 Intel Corp
+ *
+ * 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <asm/intel_scu_ipc.h>
+
+#define DRIVER_NAME "msic_power_btn"
+
+#define MSIC_IRQ_STAT 0x02
+ #define MSIC_IRQ_PB (1 << 0)
+#define MSIC_PB_CONFIG 0x3e
+#define MSIC_PB_STATUS 0x3f
+ #define MSIC_PB_LEVEL (1 << 3) /* 1 - release, 0 - press */
+
+struct mfld_pb_priv {
+ struct input_dev *input;
+ unsigned int irq;
+};
+
+static irqreturn_t mfld_pb_isr(int irq, void *dev_id)
+{
+ struct mfld_pb_priv *priv = dev_id;
+ int ret;
+ u8 pbstat;
+
+ ret = intel_scu_ipc_ioread8(MSIC_PB_STATUS, &pbstat);
+ if (ret < 0)
+ return IRQ_HANDLED;
+
+ input_event(priv->input, EV_KEY, KEY_POWER, !(pbstat & MSIC_PB_LEVEL));
+ input_sync(priv->input);
+
+ return IRQ_HANDLED;
+}
+
+static int __devinit mfld_pb_probe(struct platform_device *pdev)
+{
+ struct mfld_pb_priv *priv;
+ struct input_dev *input;
+ int irq;
+ int error;
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return -EINVAL;
+
+ priv = kzalloc(sizeof(struct mfld_pb_priv), GFP_KERNEL);
+ input = input_allocate_device();
+ if (!priv || !input) {
+ error = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ priv->input = input;
+ priv->irq = irq;
+
+ input->name = pdev->name;
+ input->phys = "power-button/input0";
+ input->id.bustype = BUS_HOST;
+ input->dev.parent = &pdev->dev;
+
+ input_set_capability(input, EV_KEY, KEY_POWER);
+
+ error = request_threaded_irq(priv->irq, NULL, mfld_pb_isr,
+ 0, DRIVER_NAME, priv);
+ if (error) {
+ dev_err(&pdev->dev,
+ "unable to request irq %d for mfld power button\n",
+ irq);
+ goto err_free_mem;
+ }
+
+ error = input_register_device(input);
+ if (error) {
+ dev_err(&pdev->dev,
+ "unable to register input dev, error %d\n", error);
+ goto err_free_irq;
+ }
+
+ platform_set_drvdata(pdev, priv);
+ return 0;
+
+err_free_irq:
+ free_irq(priv->irq, priv);
+err_free_mem:
+ input_free_device(input);
+ kfree(priv);
+ return error;
+}
+
+static int __devexit mfld_pb_remove(struct platform_device *pdev)
+{
+ struct mfld_pb_priv *priv = platform_get_drvdata(pdev);
+
+ free_irq(priv->irq, priv);
+ input_unregister_device(priv->input);
+ kfree(priv);
+
+ platform_set_drvdata(pdev, NULL);
+ return 0;
+}
+
+static struct platform_driver mfld_pb_driver = {
+ .driver = {
+ .name = DRIVER_NAME,
+ .owner = THIS_MODULE,
+ },
+ .probe = mfld_pb_probe,
+ .remove = __devexit_p(mfld_pb_remove),
+};
+
+static int __init mfld_pb_init(void)
+{
+ return platform_driver_register(&mfld_pb_driver);
+}
+module_init(mfld_pb_init);
+
+static void __exit mfld_pb_exit(void)
+{
+ platform_driver_unregister(&mfld_pb_driver);
+}
+module_exit(mfld_pb_exit);
+
+MODULE_AUTHOR("Hong Liu <hong.liu@intel.com>");
+MODULE_DESCRIPTION("Intel Medfield Power Button Driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/platform/x86/intel_mid_thermal.c b/drivers/platform/x86/intel_mid_thermal.c
new file mode 100644
index 000000000000..1215c3096868
--- /dev/null
+++ b/drivers/platform/x86/intel_mid_thermal.c
@@ -0,0 +1,575 @@
+/*
+ * intel_mid_thermal.c - Intel MID platform thermal driver
+ *
+ * Copyright (C) 2011 Intel Corporation
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * Author: Durgadoss R <durgadoss.r@intel.com>
+ */
+
+#define pr_fmt(fmt) "intel_mid_thermal: " fmt
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/param.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/pm.h>
+#include <linux/thermal.h>
+
+#include <asm/intel_scu_ipc.h>
+
+/* Number of thermal sensors */
+#define MSIC_THERMAL_SENSORS 4
+
+/* ADC1 - thermal registers */
+#define MSIC_THERM_ADC1CNTL1 0x1C0
+#define MSIC_ADC_ENBL 0x10
+#define MSIC_ADC_START 0x08
+
+#define MSIC_THERM_ADC1CNTL3 0x1C2
+#define MSIC_ADCTHERM_ENBL 0x04
+#define MSIC_ADCRRDATA_ENBL 0x05
+#define MSIC_CHANL_MASK_VAL 0x0F
+
+#define MSIC_STOPBIT_MASK 16
+#define MSIC_ADCTHERM_MASK 4
+#define ADC_CHANLS_MAX 15 /* Number of ADC channels */
+#define ADC_LOOP_MAX (ADC_CHANLS_MAX - MSIC_THERMAL_SENSORS)
+
+/* ADC channel code values */
+#define SKIN_SENSOR0_CODE 0x08
+#define SKIN_SENSOR1_CODE 0x09
+#define SYS_SENSOR_CODE 0x0A
+#define MSIC_DIE_SENSOR_CODE 0x03
+
+#define SKIN_THERM_SENSOR0 0
+#define SKIN_THERM_SENSOR1 1
+#define SYS_THERM_SENSOR2 2
+#define MSIC_DIE_THERM_SENSOR3 3
+
+/* ADC code range */
+#define ADC_MAX 977
+#define ADC_MIN 162
+#define ADC_VAL0C 887
+#define ADC_VAL20C 720
+#define ADC_VAL40C 508
+#define ADC_VAL60C 315
+
+/* ADC base addresses */
+#define ADC_CHNL_START_ADDR 0x1C5 /* increments by 1 */
+#define ADC_DATA_START_ADDR 0x1D4 /* increments by 2 */
+
+/* MSIC die attributes */
+#define MSIC_DIE_ADC_MIN 488
+#define MSIC_DIE_ADC_MAX 1004
+
+/* This holds the address of the first free ADC channel,
+ * among the 15 channels
+ */
+static int channel_index;
+
+struct platform_info {
+ struct platform_device *pdev;
+ struct thermal_zone_device *tzd[MSIC_THERMAL_SENSORS];
+};
+
+struct thermal_device_info {
+ unsigned int chnl_addr;
+ int direct;
+ /* This holds the current temperature in millidegree celsius */
+ long curr_temp;
+};
+
+/**
+ * to_msic_die_temp - converts adc_val to msic_die temperature
+ * @adc_val: ADC value to be converted
+ *
+ * Can sleep
+ */
+static int to_msic_die_temp(uint16_t adc_val)
+{
+ return (368 * (adc_val) / 1000) - 220;
+}
+
+/**
+ * is_valid_adc - checks whether the adc code is within the defined range
+ * @min: minimum value for the sensor
+ * @max: maximum value for the sensor
+ *
+ * Can sleep
+ */
+static int is_valid_adc(uint16_t adc_val, uint16_t min, uint16_t max)
+{
+ return (adc_val >= min) && (adc_val <= max);
+}
+
+/**
+ * adc_to_temp - converts the ADC code to temperature in C
+ * @direct: true if ths channel is direct index
+ * @adc_val: the adc_val that needs to be converted
+ * @tp: temperature return value
+ *
+ * Linear approximation is used to covert the skin adc value into temperature.
+ * This technique is used to avoid very long look-up table to get
+ * the appropriate temp value from ADC value.
+ * The adc code vs sensor temp curve is split into five parts
+ * to achieve very close approximate temp value with less than
+ * 0.5C error
+ */
+static int adc_to_temp(int direct, uint16_t adc_val, unsigned long *tp)
+{
+ int temp;
+
+ /* Direct conversion for die temperature */
+ if (direct) {
+ if (is_valid_adc(adc_val, MSIC_DIE_ADC_MIN, MSIC_DIE_ADC_MAX)) {
+ *tp = to_msic_die_temp(adc_val) * 1000;
+ return 0;
+ }
+ return -ERANGE;
+ }
+
+ if (!is_valid_adc(adc_val, ADC_MIN, ADC_MAX))
+ return -ERANGE;
+
+ /* Linear approximation for skin temperature */
+ if (adc_val > ADC_VAL0C)
+ temp = 177 - (adc_val/5);
+ else if ((adc_val <= ADC_VAL0C) && (adc_val > ADC_VAL20C))
+ temp = 111 - (adc_val/8);
+ else if ((adc_val <= ADC_VAL20C) && (adc_val > ADC_VAL40C))
+ temp = 92 - (adc_val/10);
+ else if ((adc_val <= ADC_VAL40C) && (adc_val > ADC_VAL60C))
+ temp = 91 - (adc_val/10);
+ else
+ temp = 112 - (adc_val/6);
+
+ /* Convert temperature in celsius to milli degree celsius */
+ *tp = temp * 1000;
+ return 0;
+}
+
+/**
+ * mid_read_temp - read sensors for temperature
+ * @temp: holds the current temperature for the sensor after reading
+ *
+ * reads the adc_code from the channel and converts it to real
+ * temperature. The converted value is stored in temp.
+ *
+ * Can sleep
+ */
+static int mid_read_temp(struct thermal_zone_device *tzd, unsigned long *temp)
+{
+ struct thermal_device_info *td_info = tzd->devdata;
+ uint16_t adc_val, addr;
+ uint8_t data = 0;
+ int ret;
+ unsigned long curr_temp;
+
+
+ addr = td_info->chnl_addr;
+
+ /* Enable the msic for conversion before reading */
+ ret = intel_scu_ipc_iowrite8(MSIC_THERM_ADC1CNTL3, MSIC_ADCRRDATA_ENBL);
+ if (ret)
+ return ret;
+
+ /* Re-toggle the RRDATARD bit (temporary workaround) */
+ ret = intel_scu_ipc_iowrite8(MSIC_THERM_ADC1CNTL3, MSIC_ADCTHERM_ENBL);
+ if (ret)
+ return ret;
+
+ /* Read the higher bits of data */
+ ret = intel_scu_ipc_ioread8(addr, &data);
+ if (ret)
+ return ret;
+
+ /* Shift bits to accomodate the lower two data bits */
+ adc_val = (data << 2);
+ addr++;
+
+ ret = intel_scu_ipc_ioread8(addr, &data);/* Read lower bits */
+ if (ret)
+ return ret;
+
+ /* Adding lower two bits to the higher bits */
+ data &= 03;
+ adc_val += data;
+
+ /* Convert ADC value to temperature */
+ ret = adc_to_temp(td_info->direct, adc_val, &curr_temp);
+ if (ret == 0)
+ *temp = td_info->curr_temp = curr_temp;
+ return ret;
+}
+
+/**
+ * configure_adc - enables/disables the ADC for conversion
+ * @val: zero: disables the ADC non-zero:enables the ADC
+ *
+ * Enable/Disable the ADC depending on the argument
+ *
+ * Can sleep
+ */
+static int configure_adc(int val)
+{
+ int ret;
+ uint8_t data;
+
+ ret = intel_scu_ipc_ioread8(MSIC_THERM_ADC1CNTL1, &data);
+ if (ret)
+ return ret;
+
+ if (val) {
+ /* Enable and start the ADC */
+ data |= (MSIC_ADC_ENBL | MSIC_ADC_START);
+ } else {
+ /* Just stop the ADC */
+ data &= (~MSIC_ADC_START);
+ }
+
+ return intel_scu_ipc_iowrite8(MSIC_THERM_ADC1CNTL1, data);
+}
+
+/**
+ * set_up_therm_channel - enable thermal channel for conversion
+ * @base_addr: index of free msic ADC channel
+ *
+ * Enable all the three channels for conversion
+ *
+ * Can sleep
+ */
+static int set_up_therm_channel(u16 base_addr)
+{
+ int ret;
+
+ /* Enable all the sensor channels */
+ ret = intel_scu_ipc_iowrite8(base_addr, SKIN_SENSOR0_CODE);
+ if (ret)
+ return ret;
+
+ ret = intel_scu_ipc_iowrite8(base_addr + 1, SKIN_SENSOR1_CODE);
+ if (ret)
+ return ret;
+
+ ret = intel_scu_ipc_iowrite8(base_addr + 2, SYS_SENSOR_CODE);
+ if (ret)
+ return ret;
+
+ /* Since this is the last channel, set the stop bit
+ to 1 by ORing the DIE_SENSOR_CODE with 0x10 */
+ ret = intel_scu_ipc_iowrite8(base_addr + 3,
+ (MSIC_DIE_SENSOR_CODE | 0x10));
+ if (ret)
+ return ret;
+
+ /* Enable ADC and start it */
+ return configure_adc(1);
+}
+
+/**
+ * reset_stopbit - sets the stop bit to 0 on the given channel
+ * @addr: address of the channel
+ *
+ * Can sleep
+ */
+static int reset_stopbit(uint16_t addr)
+{
+ int ret;
+ uint8_t data;
+ ret = intel_scu_ipc_ioread8(addr, &data);
+ if (ret)
+ return ret;
+ /* Set the stop bit to zero */
+ return intel_scu_ipc_iowrite8(addr, (data & 0xEF));
+}
+
+/**
+ * find_free_channel - finds an empty channel for conversion
+ *
+ * If the ADC is not enabled then start using 0th channel
+ * itself. Otherwise find an empty channel by looking for a
+ * channel in which the stopbit is set to 1. returns the index
+ * of the first free channel if succeeds or an error code.
+ *
+ * Context: can sleep
+ *
+ * FIXME: Ultimately the channel allocator will move into the intel_scu_ipc
+ * code.
+ */
+static int find_free_channel(void)
+{
+ int ret;
+ int i;
+ uint8_t data;
+
+ /* check whether ADC is enabled */
+ ret = intel_scu_ipc_ioread8(MSIC_THERM_ADC1CNTL1, &data);
+ if (ret)
+ return ret;
+
+ if ((data & MSIC_ADC_ENBL) == 0)
+ return 0;
+
+ /* ADC is already enabled; Looking for an empty channel */
+ for (i = 0; i < ADC_CHANLS_MAX; i++) {
+ ret = intel_scu_ipc_ioread8(ADC_CHNL_START_ADDR + i, &data);
+ if (ret)
+ return ret;
+
+ if (data & MSIC_STOPBIT_MASK) {
+ ret = i;
+ break;
+ }
+ }
+ return (ret > ADC_LOOP_MAX) ? (-EINVAL) : ret;
+}
+
+/**
+ * mid_initialize_adc - initializing the ADC
+ * @dev: our device structure
+ *
+ * Initialize the ADC for reading thermistor values. Can sleep.
+ */
+static int mid_initialize_adc(struct device *dev)
+{
+ u8 data;
+ u16 base_addr;
+ int ret;
+
+ /*
+ * Ensure that adctherm is disabled before we
+ * initialize the ADC
+ */
+ ret = intel_scu_ipc_ioread8(MSIC_THERM_ADC1CNTL3, &data);
+ if (ret)
+ return ret;
+
+ if (data & MSIC_ADCTHERM_MASK)
+ dev_warn(dev, "ADCTHERM already set");
+
+ /* Index of the first channel in which the stop bit is set */
+ channel_index = find_free_channel();
+ if (channel_index < 0) {
+ dev_err(dev, "No free ADC channels");
+ return channel_index;
+ }
+
+ base_addr = ADC_CHNL_START_ADDR + channel_index;
+
+ if (!(channel_index == 0 || channel_index == ADC_LOOP_MAX)) {
+ /* Reset stop bit for channels other than 0 and 12 */
+ ret = reset_stopbit(base_addr);
+ if (ret)
+ return ret;
+
+ /* Index of the first free channel */
+ base_addr++;
+ channel_index++;
+ }
+
+ ret = set_up_therm_channel(base_addr);
+ if (ret) {
+ dev_err(dev, "unable to enable ADC");
+ return ret;
+ }
+ dev_dbg(dev, "ADC initialization successful");
+ return ret;
+}
+
+/**
+ * initialize_sensor - sets default temp and timer ranges
+ * @index: index of the sensor
+ *
+ * Context: can sleep
+ */
+static struct thermal_device_info *initialize_sensor(int index)
+{
+ struct thermal_device_info *td_info =
+ kzalloc(sizeof(struct thermal_device_info), GFP_KERNEL);
+
+ if (!td_info)
+ return NULL;
+
+ /* Set the base addr of the channel for this sensor */
+ td_info->chnl_addr = ADC_DATA_START_ADDR + 2 * (channel_index + index);
+ /* Sensor 3 is direct conversion */
+ if (index == 3)
+ td_info->direct = 1;
+ return td_info;
+}
+
+/**
+ * mid_thermal_resume - resume routine
+ * @pdev: platform device structure
+ *
+ * mid thermal resume: re-initializes the adc. Can sleep.
+ */
+static int mid_thermal_resume(struct platform_device *pdev)
+{
+ return mid_initialize_adc(&pdev->dev);
+}
+
+/**
+ * mid_thermal_suspend - suspend routine
+ * @pdev: platform device structure
+ *
+ * mid thermal suspend implements the suspend functionality
+ * by stopping the ADC. Can sleep.
+ */
+static int mid_thermal_suspend(struct platform_device *pdev, pm_message_t mesg)
+{
+ /*
+ * This just stops the ADC and does not disable it.
+ * temporary workaround until we have a generic ADC driver.
+ * If 0 is passed, it disables the ADC.
+ */
+ return configure_adc(0);
+}
+
+/**
+ * read_curr_temp - reads the current temperature and stores in temp
+ * @temp: holds the current temperature value after reading
+ *
+ * Can sleep
+ */
+static int read_curr_temp(struct thermal_zone_device *tzd, unsigned long *temp)
+{
+ WARN_ON(tzd == NULL);
+ return mid_read_temp(tzd, temp);
+}
+
+/* Can't be const */
+static struct thermal_zone_device_ops tzd_ops = {
+ .get_temp = read_curr_temp,
+};
+
+
+/**
+ * mid_thermal_probe - mfld thermal initialize
+ * @pdev: platform device structure
+ *
+ * mid thermal probe initializes the hardware and registers
+ * all the sensors with the generic thermal framework. Can sleep.
+ */
+static int mid_thermal_probe(struct platform_device *pdev)
+{
+ static char *name[MSIC_THERMAL_SENSORS] = {
+ "skin0", "skin1", "sys", "msicdie"
+ };
+
+ int ret;
+ int i;
+ struct platform_info *pinfo;
+
+ pinfo = kzalloc(sizeof(struct platform_info), GFP_KERNEL);
+ if (!pinfo)
+ return -ENOMEM;
+
+ /* Initializing the hardware */
+ ret = mid_initialize_adc(&pdev->dev);
+ if (ret) {
+ dev_err(&pdev->dev, "ADC init failed");
+ kfree(pinfo);
+ return ret;
+ }
+
+ /* Register each sensor with the generic thermal framework*/
+ for (i = 0; i < MSIC_THERMAL_SENSORS; i++) {
+ pinfo->tzd[i] = thermal_zone_device_register(name[i],
+ 0, initialize_sensor(i),
+ &tzd_ops, 0, 0, 0, 0);
+ if (IS_ERR(pinfo->tzd[i]))
+ goto reg_fail;
+ }
+
+ pinfo->pdev = pdev;
+ platform_set_drvdata(pdev, pinfo);
+ return 0;
+
+reg_fail:
+ ret = PTR_ERR(pinfo->tzd[i]);
+ while (--i >= 0)
+ thermal_zone_device_unregister(pinfo->tzd[i]);
+ configure_adc(0);
+ kfree(pinfo);
+ return ret;
+}
+
+/**
+ * mid_thermal_remove - mfld thermal finalize
+ * @dev: platform device structure
+ *
+ * MLFD thermal remove unregisters all the sensors from the generic
+ * thermal framework. Can sleep.
+ */
+static int mid_thermal_remove(struct platform_device *pdev)
+{
+ int i;
+ struct platform_info *pinfo = platform_get_drvdata(pdev);
+
+ for (i = 0; i < MSIC_THERMAL_SENSORS; i++)
+ thermal_zone_device_unregister(pinfo->tzd[i]);
+
+ platform_set_drvdata(pdev, NULL);
+
+ /* Stop the ADC */
+ return configure_adc(0);
+}
+
+/*********************************************************************
+ * Driver initialisation and finalization
+ *********************************************************************/
+
+#define DRIVER_NAME "msic_sensor"
+
+static const struct platform_device_id therm_id_table[] = {
+ { DRIVER_NAME, 1 },
+};
+
+static struct platform_driver mid_thermal_driver = {
+ .driver = {
+ .name = DRIVER_NAME,
+ .owner = THIS_MODULE,
+ },
+ .probe = mid_thermal_probe,
+ .suspend = mid_thermal_suspend,
+ .resume = mid_thermal_resume,
+ .remove = __devexit_p(mid_thermal_remove),
+ .id_table = therm_id_table,
+};
+
+static int __init mid_thermal_module_init(void)
+{
+ return platform_driver_register(&mid_thermal_driver);
+}
+
+static void __exit mid_thermal_module_exit(void)
+{
+ platform_driver_unregister(&mid_thermal_driver);
+}
+
+module_init(mid_thermal_module_init);
+module_exit(mid_thermal_module_exit);
+
+MODULE_AUTHOR("Durgadoss R <durgadoss.r@intel.com>");
+MODULE_DESCRIPTION("Intel Medfield Platform Thermal Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 5e83370b0812..a0ba0e795b67 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -71,8 +71,9 @@
#endif
#define DRV_PFX "sony-laptop: "
-#define dprintk(msg...) do { \
- if (debug) printk(KERN_WARNING DRV_PFX msg); \
+#define dprintk(msg...) do { \
+ if (debug) \
+ pr_warn(DRV_PFX msg); \
} while (0)
#define SONY_LAPTOP_DRIVER_VERSION "0.6"
@@ -124,6 +125,19 @@ MODULE_PARM_DESC(minor,
"default is -1 (automatic)");
#endif
+static int kbd_backlight; /* = 1 */
+module_param(kbd_backlight, int, 0444);
+MODULE_PARM_DESC(kbd_backlight,
+ "set this to 0 to disable keyboard backlight, "
+ "1 to enable it (default: 0)");
+
+static int kbd_backlight_timeout; /* = 0 */
+module_param(kbd_backlight_timeout, int, 0444);
+MODULE_PARM_DESC(kbd_backlight_timeout,
+ "set this to 0 to set the default 10 seconds timeout, "
+ "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
+ "(default: 0)");
+
enum sony_nc_rfkill {
SONY_WIFI,
SONY_BLUETOOTH,
@@ -402,7 +416,7 @@ static int sony_laptop_setup_input(struct acpi_device *acpi_device)
error = kfifo_alloc(&sony_laptop_input.fifo,
SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
if (error) {
- printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
+ pr_err(DRV_PFX "kfifo_alloc failed\n");
goto err_dec_users;
}
@@ -686,7 +700,7 @@ static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
return 0;
}
- printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
+ pr_warn(DRV_PFX "acpi_callreadfunc failed\n");
return -1;
}
@@ -712,7 +726,7 @@ static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
if (status == AE_OK) {
if (result != NULL) {
if (out_obj.type != ACPI_TYPE_INTEGER) {
- printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
+ pr_warn(DRV_PFX "acpi_evaluate_object bad "
"return type\n");
return -1;
}
@@ -721,34 +735,101 @@ static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
return 0;
}
- printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
+ pr_warn(DRV_PFX "acpi_evaluate_object failed\n");
return -1;
}
-static int sony_find_snc_handle(int handle)
+struct sony_nc_handles {
+ u16 cap[0x10];
+ struct device_attribute devattr;
+};
+
+struct sony_nc_handles *handles;
+
+static ssize_t sony_nc_handles_show(struct device *dev,
+ struct device_attribute *attr, char *buffer)
+{
+ ssize_t len = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
+ len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
+ handles->cap[i]);
+ }
+ len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
+
+ return len;
+}
+
+static int sony_nc_handles_setup(struct platform_device *pd)
{
int i;
int result;
- for (i = 0x20; i < 0x30; i++) {
- acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
- if (result == handle)
- return i-0x20;
+ handles = kzalloc(sizeof(*handles), GFP_KERNEL);
+
+ sysfs_attr_init(&handles->devattr.attr);
+ handles->devattr.attr.name = "handles";
+ handles->devattr.attr.mode = S_IRUGO;
+ handles->devattr.show = sony_nc_handles_show;
+
+ for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
+ if (!acpi_callsetfunc(sony_nc_acpi_handle,
+ "SN00", i + 0x20, &result)) {
+ dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
+ result, i);
+ handles->cap[i] = result;
+ }
+ }
+
+ /* allow reading capabilities via sysfs */
+ if (device_create_file(&pd->dev, &handles->devattr)) {
+ kfree(handles);
+ handles = NULL;
+ return -1;
}
+ return 0;
+}
+
+static int sony_nc_handles_cleanup(struct platform_device *pd)
+{
+ if (handles) {
+ device_remove_file(&pd->dev, &handles->devattr);
+ kfree(handles);
+ handles = NULL;
+ }
+ return 0;
+}
+
+static int sony_find_snc_handle(int handle)
+{
+ int i;
+ for (i = 0; i < 0x10; i++) {
+ if (handles->cap[i] == handle) {
+ dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
+ handle, i);
+ return i;
+ }
+ }
+ dprintk("handle 0x%.4x not found\n", handle);
return -1;
}
static int sony_call_snc_handle(int handle, int argument, int *result)
{
+ int ret = 0;
int offset = sony_find_snc_handle(handle);
if (offset < 0)
return -1;
- return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
- result);
+ ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
+ result);
+ dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument,
+ *result);
+ return ret;
}
/*
@@ -857,11 +938,39 @@ static int sony_backlight_get_brightness(struct backlight_device *bd)
return value - 1;
}
-static struct backlight_device *sony_backlight_device;
+static int sony_nc_get_brightness_ng(struct backlight_device *bd)
+{
+ int result;
+ int *handle = (int *)bl_get_data(bd);
+
+ sony_call_snc_handle(*handle, 0x0200, &result);
+
+ return result & 0xff;
+}
+
+static int sony_nc_update_status_ng(struct backlight_device *bd)
+{
+ int value, result;
+ int *handle = (int *)bl_get_data(bd);
+
+ value = bd->props.brightness;
+ sony_call_snc_handle(*handle, 0x0100 | (value << 16), &result);
+
+ return sony_nc_get_brightness_ng(bd);
+}
+
static const struct backlight_ops sony_backlight_ops = {
+ .options = BL_CORE_SUSPENDRESUME,
.update_status = sony_backlight_update_status,
.get_brightness = sony_backlight_get_brightness,
};
+static const struct backlight_ops sony_backlight_ng_ops = {
+ .options = BL_CORE_SUSPENDRESUME,
+ .update_status = sony_nc_update_status_ng,
+ .get_brightness = sony_nc_get_brightness_ng,
+};
+static int backlight_ng_handle;
+static struct backlight_device *sony_backlight_device;
/*
* New SNC-only Vaios event mapping to driver known keys
@@ -972,7 +1081,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event)
}
if (!key_event->data)
- printk(KERN_INFO DRV_PFX
+ pr_info(DRV_PFX
"Unknown event: 0x%x 0x%x\n",
key_handle,
ev);
@@ -996,7 +1105,7 @@ static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
struct acpi_device_info *info;
if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
- printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
+ pr_warn(DRV_PFX "method: name: %4.4s, args %X\n",
(char *)&info->name, info->param_count);
kfree(info);
@@ -1037,7 +1146,7 @@ static int sony_nc_resume(struct acpi_device *device)
ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
item->value, NULL);
if (ret < 0) {
- printk("%s: %d\n", __func__, ret);
+ pr_err(DRV_PFX "%s: %d\n", __func__, ret);
break;
}
}
@@ -1054,11 +1163,6 @@ static int sony_nc_resume(struct acpi_device *device)
sony_nc_function_setup(device);
}
- /* set the last requested brightness level */
- if (sony_backlight_device &&
- sony_backlight_update_status(sony_backlight_device) < 0)
- printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
-
/* re-read rfkill state */
sony_nc_rfkill_update();
@@ -1205,13 +1309,9 @@ static void sony_nc_rfkill_setup(struct acpi_device *device)
}
device_enum = (union acpi_object *) buffer.pointer;
- if (!device_enum) {
- pr_err("Invalid SN06 return object\n");
- goto out_no_enum;
- }
- if (device_enum->type != ACPI_TYPE_BUFFER) {
- pr_err("Invalid SN06 return object type 0x%.2x\n",
- device_enum->type);
+ if (!device_enum || device_enum->type != ACPI_TYPE_BUFFER) {
+ pr_err(DRV_PFX "Invalid SN06 return object 0x%.2x\n",
+ device_enum->type);
goto out_no_enum;
}
@@ -1245,6 +1345,206 @@ out_no_enum:
return;
}
+/* Keyboard backlight feature */
+#define KBDBL_HANDLER 0x137
+#define KBDBL_PRESENT 0xB00
+#define SET_MODE 0xC00
+#define SET_TIMEOUT 0xE00
+
+struct kbd_backlight {
+ int mode;
+ int timeout;
+ struct device_attribute mode_attr;
+ struct device_attribute timeout_attr;
+};
+
+struct kbd_backlight *kbdbl_handle;
+
+static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
+{
+ int result;
+
+ if (value > 1)
+ return -EINVAL;
+
+ if (sony_call_snc_handle(KBDBL_HANDLER,
+ (value << 0x10) | SET_MODE, &result))
+ return -EIO;
+
+ kbdbl_handle->mode = value;
+
+ return 0;
+}
+
+static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buffer, size_t count)
+{
+ int ret = 0;
+ unsigned long value;
+
+ if (count > 31)
+ return -EINVAL;
+
+ if (strict_strtoul(buffer, 10, &value))
+ return -EINVAL;
+
+ ret = __sony_nc_kbd_backlight_mode_set(value);
+ if (ret < 0)
+ return ret;
+
+ return count;
+}
+
+static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
+ struct device_attribute *attr, char *buffer)
+{
+ ssize_t count = 0;
+ count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->mode);
+ return count;
+}
+
+static int __sony_nc_kbd_backlight_timeout_set(u8 value)
+{
+ int result;
+
+ if (value > 3)
+ return -EINVAL;
+
+ if (sony_call_snc_handle(KBDBL_HANDLER,
+ (value << 0x10) | SET_TIMEOUT, &result))
+ return -EIO;
+
+ kbdbl_handle->timeout = value;
+
+ return 0;
+}
+
+static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buffer, size_t count)
+{
+ int ret = 0;
+ unsigned long value;
+
+ if (count > 31)
+ return -EINVAL;
+
+ if (strict_strtoul(buffer, 10, &value))
+ return -EINVAL;
+
+ ret = __sony_nc_kbd_backlight_timeout_set(value);
+ if (ret < 0)
+ return ret;
+
+ return count;
+}
+
+static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
+ struct device_attribute *attr, char *buffer)
+{
+ ssize_t count = 0;
+ count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->timeout);
+ return count;
+}
+
+static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
+{
+ int result;
+
+ if (sony_call_snc_handle(0x137, KBDBL_PRESENT, &result))
+ return 0;
+ if (!(result & 0x02))
+ return 0;
+
+ kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL);
+
+ sysfs_attr_init(&kbdbl_handle->mode_attr.attr);
+ kbdbl_handle->mode_attr.attr.name = "kbd_backlight";
+ kbdbl_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
+ kbdbl_handle->mode_attr.show = sony_nc_kbd_backlight_mode_show;
+ kbdbl_handle->mode_attr.store = sony_nc_kbd_backlight_mode_store;
+
+ sysfs_attr_init(&kbdbl_handle->timeout_attr.attr);
+ kbdbl_handle->timeout_attr.attr.name = "kbd_backlight_timeout";
+ kbdbl_handle->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
+ kbdbl_handle->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
+ kbdbl_handle->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
+
+ if (device_create_file(&pd->dev, &kbdbl_handle->mode_attr))
+ goto outkzalloc;
+
+ if (device_create_file(&pd->dev, &kbdbl_handle->timeout_attr))
+ goto outmode;
+
+ __sony_nc_kbd_backlight_mode_set(kbd_backlight);
+ __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
+
+ return 0;
+
+outmode:
+ device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
+outkzalloc:
+ kfree(kbdbl_handle);
+ kbdbl_handle = NULL;
+ return -1;
+}
+
+static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
+{
+ if (kbdbl_handle) {
+ device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
+ device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
+ kfree(kbdbl_handle);
+ }
+ return 0;
+}
+
+static void sony_nc_backlight_setup(void)
+{
+ acpi_handle unused;
+ int max_brightness = 0;
+ const struct backlight_ops *ops = NULL;
+ struct backlight_properties props;
+
+ if (sony_find_snc_handle(0x12f) != -1) {
+ backlight_ng_handle = 0x12f;
+ ops = &sony_backlight_ng_ops;
+ max_brightness = 0xff;
+
+ } else if (sony_find_snc_handle(0x137) != -1) {
+ backlight_ng_handle = 0x137;
+ ops = &sony_backlight_ng_ops;
+ max_brightness = 0xff;
+
+ } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
+ &unused))) {
+ ops = &sony_backlight_ops;
+ max_brightness = SONY_MAX_BRIGHTNESS - 1;
+
+ } else
+ return;
+
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.max_brightness = max_brightness;
+ sony_backlight_device = backlight_device_register("sony", NULL,
+ &backlight_ng_handle,
+ ops, &props);
+
+ if (IS_ERR(sony_backlight_device)) {
+ pr_warning(DRV_PFX "unable to register backlight device\n");
+ sony_backlight_device = NULL;
+ } else
+ sony_backlight_device->props.brightness =
+ ops->get_brightness(sony_backlight_device);
+}
+
+static void sony_nc_backlight_cleanup(void)
+{
+ if (sony_backlight_device)
+ backlight_device_unregister(sony_backlight_device);
+}
+
static int sony_nc_add(struct acpi_device *device)
{
acpi_status status;
@@ -1252,8 +1552,8 @@ static int sony_nc_add(struct acpi_device *device)
acpi_handle handle;
struct sony_nc_value *item;
- printk(KERN_INFO DRV_PFX "%s v%s.\n",
- SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
+ pr_info(DRV_PFX "%s v%s.\n", SONY_NC_DRIVER_NAME,
+ SONY_LAPTOP_DRIVER_VERSION);
sony_nc_acpi_device = device;
strcpy(acpi_device_class(device), "sony/hotkey");
@@ -1269,13 +1569,18 @@ static int sony_nc_add(struct acpi_device *device)
goto outwalk;
}
+ result = sony_pf_add();
+ if (result)
+ goto outpresent;
+
if (debug) {
- status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
- 1, sony_walk_callback, NULL, NULL, NULL);
+ status = acpi_walk_namespace(ACPI_TYPE_METHOD,
+ sony_nc_acpi_handle, 1, sony_walk_callback,
+ NULL, NULL, NULL);
if (ACPI_FAILURE(status)) {
- printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
+ pr_warn(DRV_PFX "unable to walk acpi resources\n");
result = -ENODEV;
- goto outwalk;
+ goto outpresent;
}
}
@@ -1288,6 +1593,10 @@ static int sony_nc_add(struct acpi_device *device)
if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
&handle))) {
dprintk("Doing SNC setup\n");
+ if (sony_nc_handles_setup(sony_pf_device))
+ goto outpresent;
+ if (sony_nc_kbd_backlight_setup(sony_pf_device))
+ goto outsnc;
sony_nc_function_setup(device);
sony_nc_rfkill_setup(device);
}
@@ -1295,38 +1604,15 @@ static int sony_nc_add(struct acpi_device *device)
/* setup input devices and helper fifo */
result = sony_laptop_setup_input(device);
if (result) {
- printk(KERN_ERR DRV_PFX
- "Unable to create input devices.\n");
- goto outwalk;
+ pr_err(DRV_PFX "Unable to create input devices.\n");
+ goto outkbdbacklight;
}
if (acpi_video_backlight_support()) {
- printk(KERN_INFO DRV_PFX "brightness ignored, must be "
+ pr_info(DRV_PFX "brightness ignored, must be "
"controlled by ACPI video driver\n");
- } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
- &handle))) {
- struct backlight_properties props;
- memset(&props, 0, sizeof(struct backlight_properties));
- props.max_brightness = SONY_MAX_BRIGHTNESS - 1;
- sony_backlight_device = backlight_device_register("sony", NULL,
- NULL,
- &sony_backlight_ops,
- &props);
-
- if (IS_ERR(sony_backlight_device)) {
- printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
- sony_backlight_device = NULL;
- } else {
- sony_backlight_device->props.brightness =
- sony_backlight_get_brightness
- (sony_backlight_device);
- }
-
- }
-
- result = sony_pf_add();
- if (result)
- goto outbacklight;
+ } else
+ sony_nc_backlight_setup();
/* create sony_pf sysfs attributes related to the SNC device */
for (item = sony_nc_values; item->name; ++item) {
@@ -1373,14 +1659,19 @@ static int sony_nc_add(struct acpi_device *device)
for (item = sony_nc_values; item->name; ++item) {
device_remove_file(&sony_pf_device->dev, &item->devattr);
}
- sony_pf_remove();
-
- outbacklight:
- if (sony_backlight_device)
- backlight_device_unregister(sony_backlight_device);
+ sony_nc_backlight_cleanup();
sony_laptop_remove_input();
+ outkbdbacklight:
+ sony_nc_kbd_backlight_cleanup(sony_pf_device);
+
+ outsnc:
+ sony_nc_handles_cleanup(sony_pf_device);
+
+ outpresent:
+ sony_pf_remove();
+
outwalk:
sony_nc_rfkill_cleanup();
return result;
@@ -1390,8 +1681,7 @@ static int sony_nc_remove(struct acpi_device *device, int type)
{
struct sony_nc_value *item;
- if (sony_backlight_device)
- backlight_device_unregister(sony_backlight_device);
+ sony_nc_backlight_cleanup();
sony_nc_acpi_device = NULL;
@@ -1399,6 +1689,8 @@ static int sony_nc_remove(struct acpi_device *device, int type)
device_remove_file(&sony_pf_device->dev, &item->devattr);
}
+ sony_nc_kbd_backlight_cleanup(sony_pf_device);
+ sony_nc_handles_cleanup(sony_pf_device);
sony_pf_remove();
sony_laptop_remove_input();
sony_nc_rfkill_cleanup();
@@ -1437,7 +1729,6 @@ static struct acpi_driver sony_nc_driver = {
#define SONYPI_DEVICE_TYPE1 0x00000001
#define SONYPI_DEVICE_TYPE2 0x00000002
#define SONYPI_DEVICE_TYPE3 0x00000004
-#define SONYPI_DEVICE_TYPE4 0x00000008
#define SONYPI_TYPE1_OFFSET 0x04
#define SONYPI_TYPE2_OFFSET 0x12
@@ -1583,8 +1874,8 @@ static struct sonypi_event sonypi_blueev[] = {
/* The set of possible wireless events */
static struct sonypi_event sonypi_wlessev[] = {
- { 0x59, SONYPI_EVENT_WIRELESS_ON },
- { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
+ { 0x59, SONYPI_EVENT_IGNORE },
+ { 0x5a, SONYPI_EVENT_IGNORE },
{ 0, 0 }
};
@@ -1841,7 +2132,7 @@ out:
if (pcidev)
pci_dev_put(pcidev);
- printk(KERN_INFO DRV_PFX "detected Type%d model\n",
+ pr_info(DRV_PFX "detected Type%d model\n",
dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
}
@@ -1889,7 +2180,7 @@ static int __sony_pic_camera_ready(void)
static int __sony_pic_camera_off(void)
{
if (!camera) {
- printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
+ pr_warn(DRV_PFX "camera control not enabled\n");
return -ENODEV;
}
@@ -1909,7 +2200,7 @@ static int __sony_pic_camera_on(void)
int i, j, x;
if (!camera) {
- printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
+ pr_warn(DRV_PFX "camera control not enabled\n");
return -ENODEV;
}
@@ -1932,7 +2223,7 @@ static int __sony_pic_camera_on(void)
}
if (j == 0) {
- printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
+ pr_warn(DRV_PFX "failed to power on camera\n");
return -ENODEV;
}
@@ -1988,7 +2279,7 @@ int sony_pic_camera_command(int command, u8 value)
ITERATIONS_SHORT);
break;
default:
- printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
+ pr_err(DRV_PFX "sony_pic_camera_command invalid: %d\n",
command);
break;
}
@@ -2395,7 +2686,7 @@ static int sonypi_compat_init(void)
error =
kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
if (error) {
- printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
+ pr_err(DRV_PFX "kfifo_alloc failed\n");
return error;
}
@@ -2405,11 +2696,11 @@ static int sonypi_compat_init(void)
sonypi_misc_device.minor = minor;
error = misc_register(&sonypi_misc_device);
if (error) {
- printk(KERN_ERR DRV_PFX "misc_register failed\n");
+ pr_err(DRV_PFX "misc_register failed\n");
goto err_free_kfifo;
}
if (minor == -1)
- printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
+ pr_info(DRV_PFX "device allocated minor is %d\n",
sonypi_misc_device.minor);
return 0;
@@ -2469,8 +2760,7 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
}
for (i = 0; i < p->interrupt_count; i++) {
if (!p->interrupts[i]) {
- printk(KERN_WARNING DRV_PFX
- "Invalid IRQ %d\n",
+ pr_warn(DRV_PFX "Invalid IRQ %d\n",
p->interrupts[i]);
continue;
}
@@ -2509,7 +2799,7 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
ioport->io2.address_length);
}
else {
- printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
+ pr_err(DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
return AE_ERROR;
}
return AE_OK;
@@ -2537,7 +2827,7 @@ static int sony_pic_possible_resources(struct acpi_device *device)
dprintk("Evaluating _STA\n");
result = acpi_bus_get_status(device);
if (result) {
- printk(KERN_WARNING DRV_PFX "Unable to read status\n");
+ pr_warn(DRV_PFX "Unable to read status\n");
goto end;
}
@@ -2553,8 +2843,7 @@ static int sony_pic_possible_resources(struct acpi_device *device)
status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
sony_pic_read_possible_resource, &spic_dev);
if (ACPI_FAILURE(status)) {
- printk(KERN_WARNING DRV_PFX
- "Failure evaluating %s\n",
+ pr_warn(DRV_PFX "Failure evaluating %s\n",
METHOD_NAME__PRS);
result = -ENODEV;
}
@@ -2668,7 +2957,7 @@ static int sony_pic_enable(struct acpi_device *device,
/* check for total failure */
if (ACPI_FAILURE(status)) {
- printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
+ pr_err(DRV_PFX "Error evaluating _SRS\n");
result = -ENODEV;
goto end;
}
@@ -2724,6 +3013,9 @@ static irqreturn_t sony_pic_irq(int irq, void *dev_id)
if (ev == dev->event_types[i].events[j].data) {
device_event =
dev->event_types[i].events[j].event;
+ /* some events may require ignoring */
+ if (!device_event)
+ return IRQ_HANDLED;
goto found;
}
}
@@ -2743,7 +3035,6 @@ found:
sony_laptop_report_input_event(device_event);
acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
sonypi_compat_report_event(device_event);
-
return IRQ_HANDLED;
}
@@ -2758,7 +3049,7 @@ static int sony_pic_remove(struct acpi_device *device, int type)
struct sony_pic_irq *irq, *tmp_irq;
if (sony_pic_disable(device)) {
- printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
+ pr_err(DRV_PFX "Couldn't disable device.\n");
return -ENXIO;
}
@@ -2798,8 +3089,8 @@ static int sony_pic_add(struct acpi_device *device)
struct sony_pic_ioport *io, *tmp_io;
struct sony_pic_irq *irq, *tmp_irq;
- printk(KERN_INFO DRV_PFX "%s v%s.\n",
- SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
+ pr_info(DRV_PFX "%s v%s.\n", SONY_PIC_DRIVER_NAME,
+ SONY_LAPTOP_DRIVER_VERSION);
spic_dev.acpi_dev = device;
strcpy(acpi_device_class(device), "sony/hotkey");
@@ -2809,16 +3100,14 @@ static int sony_pic_add(struct acpi_device *device)
/* read _PRS resources */
result = sony_pic_possible_resources(device);
if (result) {
- printk(KERN_ERR DRV_PFX
- "Unable to read possible resources.\n");
+ pr_err(DRV_PFX "Unable to read possible resources.\n");
goto err_free_resources;
}
/* setup input devices and helper fifo */
result = sony_laptop_setup_input(device);
if (result) {
- printk(KERN_ERR DRV_PFX
- "Unable to create input devices.\n");
+ pr_err(DRV_PFX "Unable to create input devices.\n");
goto err_free_resources;
}
@@ -2859,7 +3148,7 @@ static int sony_pic_add(struct acpi_device *device)
}
}
if (!spic_dev.cur_ioport) {
- printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
+ pr_err(DRV_PFX "Failed to request_region.\n");
result = -ENODEV;
goto err_remove_compat;
}
@@ -2879,7 +3168,7 @@ static int sony_pic_add(struct acpi_device *device)
}
}
if (!spic_dev.cur_irq) {
- printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
+ pr_err(DRV_PFX "Failed to request_irq.\n");
result = -ENODEV;
goto err_release_region;
}
@@ -2887,7 +3176,7 @@ static int sony_pic_add(struct acpi_device *device)
/* set resource status _SRS */
result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
if (result) {
- printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
+ pr_err(DRV_PFX "Couldn't enable device.\n");
goto err_free_irq;
}
@@ -2996,8 +3285,7 @@ static int __init sony_laptop_init(void)
if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
result = acpi_bus_register_driver(&sony_pic_driver);
if (result) {
- printk(KERN_ERR DRV_PFX
- "Unable to register SPIC driver.");
+ pr_err(DRV_PFX "Unable to register SPIC driver.");
goto out;
}
spic_drv_registered = 1;
@@ -3005,7 +3293,7 @@ static int __init sony_laptop_init(void)
result = acpi_bus_register_driver(&sony_nc_driver);
if (result) {
- printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
+ pr_err(DRV_PFX "Unable to register SNC driver.");
goto out_unregister_pic;
}
diff --git a/drivers/platform/x86/xo15-ebook.c b/drivers/platform/x86/xo15-ebook.c
new file mode 100644
index 000000000000..c1372ed9d2e9
--- /dev/null
+++ b/drivers/platform/x86/xo15-ebook.c
@@ -0,0 +1,180 @@
+/*
+ * OLPC XO-1.5 ebook switch driver
+ * (based on generic ACPI button driver)
+ *
+ * Copyright (C) 2009 Paul Fox <pgf@laptop.org>
+ * Copyright (C) 2010 One Laptop per Child
+ *
+ * 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/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/input.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
+
+#define MODULE_NAME "xo15-ebook"
+#define PREFIX MODULE_NAME ": "
+
+#define XO15_EBOOK_CLASS MODULE_NAME
+#define XO15_EBOOK_TYPE_UNKNOWN 0x00
+#define XO15_EBOOK_NOTIFY_STATUS 0x80
+
+#define XO15_EBOOK_SUBCLASS "ebook"
+#define XO15_EBOOK_HID "XO15EBK"
+#define XO15_EBOOK_DEVICE_NAME "EBook Switch"
+
+ACPI_MODULE_NAME(MODULE_NAME);
+
+MODULE_DESCRIPTION("OLPC XO-1.5 ebook switch driver");
+MODULE_LICENSE("GPL");
+
+static const struct acpi_device_id ebook_device_ids[] = {
+ { XO15_EBOOK_HID, 0 },
+ { "", 0 },
+};
+MODULE_DEVICE_TABLE(acpi, ebook_device_ids);
+
+struct ebook_switch {
+ struct input_dev *input;
+ char phys[32]; /* for input device */
+};
+
+static int ebook_send_state(struct acpi_device *device)
+{
+ struct ebook_switch *button = acpi_driver_data(device);
+ unsigned long long state;
+ acpi_status status;
+
+ status = acpi_evaluate_integer(device->handle, "EBK", NULL, &state);
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ /* input layer checks if event is redundant */
+ input_report_switch(button->input, SW_TABLET_MODE, !state);
+ input_sync(button->input);
+ return 0;
+}
+
+static void ebook_switch_notify(struct acpi_device *device, u32 event)
+{
+ switch (event) {
+ case ACPI_FIXED_HARDWARE_EVENT:
+ case XO15_EBOOK_NOTIFY_STATUS:
+ ebook_send_state(device);
+ break;
+ default:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Unsupported event [0x%x]\n", event));
+ break;
+ }
+}
+
+static int ebook_switch_resume(struct acpi_device *device)
+{
+ return ebook_send_state(device);
+}
+
+static int ebook_switch_add(struct acpi_device *device)
+{
+ struct ebook_switch *button;
+ struct input_dev *input;
+ const char *hid = acpi_device_hid(device);
+ char *name, *class;
+ int error;
+
+ button = kzalloc(sizeof(struct ebook_switch), GFP_KERNEL);
+ if (!button)
+ return -ENOMEM;
+
+ device->driver_data = button;
+
+ button->input = input = input_allocate_device();
+ if (!input) {
+ error = -ENOMEM;
+ goto err_free_button;
+ }
+
+ name = acpi_device_name(device);
+ class = acpi_device_class(device);
+
+ if (strcmp(hid, XO15_EBOOK_HID)) {
+ printk(KERN_ERR PREFIX "Unsupported hid [%s]\n", hid);
+ error = -ENODEV;
+ goto err_free_input;
+ }
+
+ strcpy(name, XO15_EBOOK_DEVICE_NAME);
+ sprintf(class, "%s/%s", XO15_EBOOK_CLASS, XO15_EBOOK_SUBCLASS);
+
+ snprintf(button->phys, sizeof(button->phys), "%s/button/input0", hid);
+
+ input->name = name;
+ input->phys = button->phys;
+ input->id.bustype = BUS_HOST;
+ input->dev.parent = &device->dev;
+
+ input->evbit[0] = BIT_MASK(EV_SW);
+ set_bit(SW_TABLET_MODE, input->swbit);
+
+ error = input_register_device(input);
+ if (error)
+ goto err_free_input;
+
+ ebook_send_state(device);
+
+ if (device->wakeup.flags.valid) {
+ /* Button's GPE is run-wake GPE */
+ acpi_enable_gpe(device->wakeup.gpe_device,
+ device->wakeup.gpe_number);
+ device_set_wakeup_enable(&device->dev, true);
+ }
+
+ return 0;
+
+ err_free_input:
+ input_free_device(input);
+ err_free_button:
+ kfree(button);
+ return error;
+}
+
+static int ebook_switch_remove(struct acpi_device *device, int type)
+{
+ struct ebook_switch *button = acpi_driver_data(device);
+
+ input_unregister_device(button->input);
+ kfree(button);
+ return 0;
+}
+
+static struct acpi_driver xo15_ebook_driver = {
+ .name = MODULE_NAME,
+ .class = XO15_EBOOK_CLASS,
+ .ids = ebook_device_ids,
+ .ops = {
+ .add = ebook_switch_add,
+ .resume = ebook_switch_resume,
+ .remove = ebook_switch_remove,
+ .notify = ebook_switch_notify,
+ },
+};
+
+static int __init xo15_ebook_init(void)
+{
+ return acpi_bus_register_driver(&xo15_ebook_driver);
+}
+
+static void __exit xo15_ebook_exit(void)
+{
+ acpi_bus_unregister_driver(&xo15_ebook_driver);
+}
+
+module_init(xo15_ebook_init);
+module_exit(xo15_ebook_exit);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 19:59:50 +0000