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system76-dkms
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Merge pull request #74 from pop-os/serw14 

Add serw14
This commit is contained in:
Levi Portenier 2025-06-06 12:18:45 -06:00 committed by GitHub
parent 8b1da5327c 76181a1acc
commit cc41a32079
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
14 changed files with 556 additions and 394 deletions
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21
.editorconfig Normal file
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@ -0,0 +1,21 @@
# SPDX-License-Identifier: GPL-2.0-or-later
root = true
[*]
charset = utf-8
end_of_line = lf
insert_final_newline = true
trim_trailing_whitespace = true
[*.c]
indent_size = 8
indent_style = tab
[{Makefile,Makefile.*,*.mk}]
indent_size = 8
indent_style = tab
[*.md]
indent_size = 2
indent_style = space

3
Kbuild Normal file
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@ -0,0 +1,3 @@
# SPDX-License-Identifier: GPL-2.0-or-later
obj-y += src/

3
Makefile
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@ -1,4 +1,5 @@
obj-m := system76.o
# SPDX-License-Identifier: GPL-2.0-or-later
KERNEL_DIR = /lib/modules/$(shell uname -r)/build
all:

2
README.md
View File

@ -13,7 +13,7 @@ make
# Remove any old instances
sudo modprobe -r system76
# Insert the new module
sudo insmod system76.ko
sudo insmod src/system76.ko
# View log messages
dmesg | grep system76
```

6
debian/changelog vendored
View File

@ -1,3 +1,9 @@
system76-dkms (1.0.19) focal; urgency=medium
* Add serw14
-- Tim Crawford <tcrawford@system76.com> Thu, 05 Jun 2025 17:27:15 -0600
system76-dkms (1.0.18) focal; urgency=medium
* Add bonw16

2
debian/rules vendored
View File

@ -6,7 +6,7 @@ include /usr/share/dpkg/pkg-info.mk
dh $@ --with dkms
override_dh_install:
dh_install Makefile *.c usr/src/system76-$(DEB_VERSION_UPSTREAM)/
dh_install Makefile Kbuild src/Kbuild src/*.c usr/src/system76-$(DEB_VERSION_UPSTREAM)/
override_dh_dkms:
dh_dkms -V $(DEB_VERSION_UPSTREAM)

3
src/Kbuild Normal file
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@ -0,0 +1,3 @@
# SPDX-License-Identifier: GPL-2.0-or-later
obj-m += system76.o

33
system76_ap-led.c → src/ap-led.c
View File

@ -21,11 +21,13 @@ static enum led_brightness ap_led_brightness = 1;
static bool ap_led_invert = TRUE;
static enum led_brightness ap_led_get(struct led_classdev *led_cdev) {
static enum led_brightness ap_led_get(struct led_classdev *led_cdev)
{
return ap_led_brightness;
}
static int ap_led_set(struct led_classdev *led_cdev, enum led_brightness value) {
static int ap_led_set(struct led_classdev *led_cdev, enum led_brightness value)
{
u8 byte;
ec_read(0xD9, &byte);
@ -54,18 +56,20 @@ static int ap_led_set(struct led_classdev *led_cdev, enum led_brightness value)
}
static struct led_classdev ap_led = {
.name = "system76::airplane",
.brightness_get = ap_led_get,
.brightness_set_blocking = ap_led_set,
.max_brightness = 1,
.default_trigger = "rfkill-any"
.name = "system76::airplane",
.brightness_get = ap_led_get,
.brightness_set_blocking = ap_led_set,
.max_brightness = 1,
.default_trigger = "rfkill-any"
};
static ssize_t ap_led_invert_show(struct device *dev, struct device_attribute *attr, char *buf) {
static ssize_t ap_led_invert_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%d\n", (int)ap_led_invert);
}
static ssize_t ap_led_invert_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) {
static ssize_t ap_led_invert_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size)
{
unsigned int val;
int ret;
enum led_brightness brightness;
@ -97,11 +101,13 @@ static struct device_attribute ap_led_invert_dev_attr = {
.store = ap_led_invert_store,
};
static void ap_led_resume(void) {
static void ap_led_resume(void)
{
ap_led_set(&ap_led, ap_led_brightness);
}
static int __init ap_led_init(struct device *dev) {
static int __init ap_led_init(struct device *dev)
{
int err;
err = led_classdev_register(dev, &ap_led);
@ -110,7 +116,7 @@ static int __init ap_led_init(struct device *dev) {
}
if (device_create_file(ap_led.dev, &ap_led_invert_dev_attr) != 0) {
S76_ERROR("failed to create ap_led_invert\n");
pr_err("failed to create ap_led_invert\n");
}
ap_led_resume();
@ -118,7 +124,8 @@ static int __init ap_led_init(struct device *dev) {
return 0;
}
static void __exit ap_led_exit(void) {
static void __exit ap_led_exit(void)
{
device_remove_file(ap_led.dev, &ap_led_invert_dev_attr);
if (!IS_ERR_OR_NULL(ap_led.dev)) {

109
system76_hwmon.c → src/hwmon.c
View File

@ -22,14 +22,15 @@
#define EXPERIMENTAL
#if S76_HAS_HWMON
struct s76_hwmon {
struct device *dev;
};
static struct s76_hwmon *s76_hwmon = NULL;
static int
s76_read_fan(int idx) {
static int s76_read_fan(int idx)
{
u8 value;
int raw_rpm;
ec_read(0xd0 + 0x2 * idx, &value);
@ -41,43 +42,40 @@ s76_read_fan(int idx) {
return 2156220 / raw_rpm;
}
static int
s76_read_pwm(int idx) {
static int s76_read_pwm(int idx)
{
u8 value;
ec_read(0xce + idx, &value);
return value;
}
static int
s76_write_pwm(int idx, u8 duty) {
static int s76_write_pwm(int idx, u8 duty)
{
u8 values[] = {idx + 1, duty};
return ec_transaction(0x99, values, sizeof(values), NULL, 0);
}
static int
s76_write_pwm_auto(int idx) {
static int s76_write_pwm_auto(int idx)
{
u8 values[] = {0xff, idx + 1};
return ec_transaction(0x99, values, sizeof(values), NULL, 0);
}
static ssize_t
s76_hwmon_show_name(struct device *dev, struct device_attribute *attr,
char *buf)
static ssize_t s76_hwmon_show_name(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, S76_DRIVER_NAME "\n");
}
static ssize_t
s76_hwmon_show_fan_input(struct device *dev, struct device_attribute *attr,
char *buf)
static ssize_t s76_hwmon_show_fan_input(struct device *dev,
struct device_attribute *attr, char *buf)
{
int index = to_sensor_dev_attr(attr)->index;
return sprintf(buf, "%i\n", s76_read_fan(index));
}
static ssize_t
s76_hwmon_show_fan_label(struct device *dev, struct device_attribute *attr,
char *buf)
static ssize_t s76_hwmon_show_fan_label(struct device *dev,
struct device_attribute *attr, char *buf)
{
switch (to_sensor_dev_attr(attr)->index) {
case 0:
@ -90,92 +88,99 @@ s76_hwmon_show_fan_label(struct device *dev, struct device_attribute *attr,
static int pwm_enabled[] = {2, 2};
static ssize_t
s76_hwmon_show_pwm(struct device *dev, struct device_attribute *attr,
char *buf)
static ssize_t s76_hwmon_show_pwm(struct device *dev,
struct device_attribute *attr, char *buf)
{
int index = to_sensor_dev_attr(attr)->index;
return sprintf(buf, "%i\n", s76_read_pwm(index));
}
static ssize_t
s76_hwmon_set_pwm(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
static ssize_t s76_hwmon_set_pwm(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
u32 value;
int err;
int index = to_sensor_dev_attr(attr)->index;
err = kstrtou32(buf, 10, &value);
if (err) return err;
if (value > 255) return -EINVAL;
if (err)
return err;
if (value > 255)
return -EINVAL;
err = s76_write_pwm(index, value);
if (err) return err;
if (err)
return err;
pwm_enabled[index] = 1;
return count;
}
static ssize_t
s76_hwmon_show_pwm_enable(struct device *dev, struct device_attribute *attr,
char *buf)
static ssize_t s76_hwmon_show_pwm_enable(struct device *dev,
struct device_attribute *attr, char *buf)
{
int index = to_sensor_dev_attr(attr)->index;
return sprintf(buf, "%i\n", pwm_enabled[index]);
}
static ssize_t
s76_hwmon_set_pwm_enable(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
static ssize_t s76_hwmon_set_pwm_enable(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
u32 value;
int err;
int index = to_sensor_dev_attr(attr)->index;
err = kstrtou32(buf, 10, &value);
if (err) return err;
if (err)
return err;
if (value == 0) {
err = s76_write_pwm(index, 255);
if (err) return err;
if (err)
return err;
pwm_enabled[index] = value;
return count;
}
if (value == 1) {
err = s76_write_pwm(index, 0);
if (err) return err;
if (err)
return err;
pwm_enabled[index] = value;
return count;
}
if (value == 2) {
err = s76_write_pwm_auto(index);
if (err) return err;
if (err)
return err;
pwm_enabled[index] = value;
return count;
}
return -EINVAL;
}
static ssize_t
s76_hwmon_show_temp1_input(struct device *dev, struct device_attribute *attr, char *buf) {
static ssize_t s76_hwmon_show_temp1_input(struct device *dev,
struct device_attribute *attr, char *buf)
{
u8 value;
ec_read(0x07, &value);
return sprintf(buf, "%i\n", value * 1000);
}
static ssize_t
s76_hwmon_show_temp1_label(struct device *dev, struct device_attribute *attr, char *buf) {
static ssize_t s76_hwmon_show_temp1_label(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "CPU temperature\n");
}
#ifdef EXPERIMENTAL
static ssize_t
s76_hwmon_show_temp2_input(struct device *dev, struct device_attribute *attr, char *buf) {
static ssize_t s76_hwmon_show_temp2_input(struct device *dev,
struct device_attribute *attr, char *buf)
{
u8 value;
ec_read(0xcd, &value);
return sprintf(buf, "%i\n", value * 1000);
}
static ssize_t
s76_hwmon_show_temp2_label(struct device *dev, struct device_attribute *attr, char *buf) {
static ssize_t s76_hwmon_show_temp2_label(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "GPU temperature\n");
}
#endif
@ -224,7 +229,8 @@ static const struct attribute_group hwmon_default_attrgroup = {
};
static int s76_hwmon_reboot_callback(struct notifier_block *nb,
unsigned long action, void *data) {
unsigned long action, void *data)
{
s76_write_pwm_auto(0);
#ifdef EXPERIMENTAL
s76_write_pwm_auto(1);
@ -236,8 +242,8 @@ static struct notifier_block s76_hwmon_reboot_notifier = {
.notifier_call = s76_hwmon_reboot_callback
};
static int
s76_hwmon_init(struct device *dev) {
static int s76_hwmon_init(struct device *dev)
{
int ret;
s76_hwmon = kzalloc(sizeof(*s76_hwmon), GFP_KERNEL);
@ -257,18 +263,18 @@ s76_hwmon_init(struct device *dev) {
register_reboot_notifier(&s76_hwmon_reboot_notifier);
s76_write_pwm_auto(0);
#ifdef EXPERIMENTAL
s76_write_pwm_auto(1);
s76_write_pwm_auto(1);
#endif
return 0;
}
static int
s76_hwmon_fini(struct device *dev) {
static int s76_hwmon_fini(struct device *dev)
{
if (!s76_hwmon || !s76_hwmon->dev)
return 0;
s76_write_pwm_auto(0);
#ifdef EXPERIMENTAL
s76_write_pwm_auto(1);
s76_write_pwm_auto(1);
#endif
unregister_reboot_notifier(&s76_hwmon_reboot_notifier);
sysfs_remove_group(&s76_hwmon->dev->kobj, &hwmon_default_attrgroup);
@ -276,4 +282,5 @@ s76_hwmon_fini(struct device *dev) {
kfree(s76_hwmon);
return 0;
}
#endif // S76_HAS_HWMON

42
system76_input.c → src/input.c
View File

@ -56,8 +56,9 @@ MODULE_PARM_DESC(poll_freq, "Set polling frequency");
static struct task_struct *s76_input_polling_task;
static void s76_input_key(unsigned int code) {
S76_DEBUG("Send key %x\n", code);
static void s76_input_key(unsigned int code)
{
pr_debug("Send key %x\n", code);
mutex_lock(&s76_input_report_mutex);
@ -70,8 +71,9 @@ static void s76_input_key(unsigned int code) {
mutex_unlock(&s76_input_report_mutex);
}
static int s76_input_polling_thread(void *data) {
S76_DEBUG("Polling thread started (PID: %i), polling at %i Hz\n",
static int s76_input_polling_thread(void *data)
{
pr_debug("Polling thread started (PID: %i), polling at %i Hz\n",
current->pid, param_poll_freq);
while (!kthread_should_stop()) {
@ -81,7 +83,7 @@ static int s76_input_polling_thread(void *data) {
if (byte & 0x40) {
ec_write(0xDB, byte & ~0x40);
S76_DEBUG("Airplane-Mode Hotkey pressed (EC)\n");
pr_debug("Airplane-Mode Hotkey pressed (EC)\n");
s76_input_key(AIRPLANE_KEY);
}
@ -89,24 +91,27 @@ static int s76_input_polling_thread(void *data) {
msleep_interruptible(1000 / param_poll_freq);
}
S76_DEBUG("Polling thread exiting\n");
pr_debug("Polling thread exiting\n");
return 0;
}
static void s76_input_airplane_wmi(void) {
S76_DEBUG("Airplane-Mode Hotkey pressed (WMI)\n");
static void s76_input_airplane_wmi(void)
{
pr_debug("Airplane-Mode Hotkey pressed (WMI)\n");
s76_input_key(AIRPLANE_KEY);
}
static void s76_input_screen_wmi(void) {
S76_DEBUG("Screen Hotkey pressed (WMI)\n");
static void s76_input_screen_wmi(void)
{
pr_debug("Screen Hotkey pressed (WMI)\n");
s76_input_key(SCREEN_KEY);
}
static int s76_input_open(struct input_dev *dev) {
static int s76_input_open(struct input_dev *dev)
{
int res = 0;
// Run polling thread if AP key driver is used and WMI is not supported
@ -118,7 +123,7 @@ static int s76_input_open(struct input_dev *dev) {
if (unlikely(IS_ERR(s76_input_polling_task))) {
res = PTR_ERR(s76_input_polling_task);
s76_input_polling_task = NULL;
S76_ERROR("Could not create polling thread: %d\n", res);
pr_err("Could not create polling thread: %d\n", res);
return res;
}
}
@ -126,7 +131,8 @@ static int s76_input_open(struct input_dev *dev) {
return res;
}
static void s76_input_close(struct input_dev *dev) {
static void s76_input_close(struct input_dev *dev)
{
if (unlikely(IS_ERR_OR_NULL(s76_input_polling_task))) {
return;
}
@ -135,13 +141,14 @@ static void s76_input_close(struct input_dev *dev) {
s76_input_polling_task = NULL;
}
static int __init s76_input_init(struct device *dev) {
static int __init s76_input_init(struct device *dev)
{
int err;
u8 byte;
s76_input_device = input_allocate_device();
if (unlikely(!s76_input_device)) {
S76_ERROR("Error allocating input device\n");
pr_err("Error allocating input device\n");
return -ENOMEM;
}
@ -164,7 +171,7 @@ static int __init s76_input_init(struct device *dev) {
err = input_register_device(s76_input_device);
if (unlikely(err)) {
S76_ERROR("Error registering input device\n");
pr_err("Error registering input device\n");
goto err_free_input_device;
}
@ -176,7 +183,8 @@ err_free_input_device:
return err;
}
static void __exit s76_input_exit(void) {
static void __exit s76_input_exit(void)
{
if (unlikely(!s76_input_device)) {
return;
}

182
system76_kb-led.c → src/kb-led.c
View File

@ -25,10 +25,10 @@ union kb_led_color {
};
enum kb_led_region {
KB_LED_REGION_LEFT,
KB_LED_REGION_CENTER,
KB_LED_REGION_RIGHT,
KB_LED_REGION_EXTRA,
KB_LED_REGION_LEFT,
KB_LED_REGION_CENTER,
KB_LED_REGION_RIGHT,
KB_LED_REGION_EXTRA,
};
static enum led_brightness kb_led_brightness = 0;
@ -56,12 +56,14 @@ static union kb_led_color kb_led_colors[] = {
{ .rgb = 0xFFFF00 }
};
static enum led_brightness kb_led_get(struct led_classdev *led_cdev) {
static enum led_brightness kb_led_get(struct led_classdev *led_cdev)
{
return kb_led_brightness;
}
static int kb_led_set(struct led_classdev *led_cdev, enum led_brightness value) {
S76_DEBUG("kb_led_set %d\n", (int)value);
static int kb_led_set(struct led_classdev *led_cdev, enum led_brightness value)
{
pr_debug("kb_led_set %d\n", (int)value);
if (!s76_wmbb(SET_KB_LED, 0xF4000000 | value, NULL)) {
kb_led_brightness = value;
@ -70,10 +72,11 @@ static int kb_led_set(struct led_classdev *led_cdev, enum led_brightness value)
return 0;
}
static void kb_led_color_set(enum kb_led_region region, union kb_led_color color) {
static void kb_led_color_set_wmi(enum kb_led_region region, union kb_led_color color)
{
u32 cmd;
S76_DEBUG("kb_led_color_set %d %06X\n", (int)region, (int)color.rgb);
pr_debug("%s %d %06X\n", __func__, (int)region, (int)color.rgb);
switch (region) {
case KB_LED_REGION_LEFT:
@ -101,6 +104,71 @@ static void kb_led_color_set(enum kb_led_region region, union kb_led_color color
}
}
// HACK: Directly call ECMD to fix serw14
static void kb_led_color_set(enum kb_led_region region, union kb_led_color color)
{
struct acpi_object_list input;
union acpi_object obj;
acpi_handle handle;
acpi_status status;
u8 *buf;
buf = (u8 *)kzalloc(8, GFP_KERNEL);
pr_debug("%s %d %06X\n", __func__, (int)region, (int)color.rgb);
buf[0] = 5;
buf[2] = 0xCA;
buf[4] = color.b;
buf[5] = color.r;
buf[6] = color.g;
switch (region) {
case KB_LED_REGION_LEFT:
buf[3] = 0x03;
break;
case KB_LED_REGION_CENTER:
buf[3] = 0x04;
break;
case KB_LED_REGION_RIGHT:
buf[3] = 0x05;
break;
case KB_LED_REGION_EXTRA:
buf[3] = 0x0B;
break;
}
obj.type = ACPI_TYPE_BUFFER;
obj.buffer.length = 8;
obj.buffer.pointer = buf;
input.count = 1;
input.pointer = &obj;
status = acpi_get_handle(NULL, (acpi_string)"\\_SB.PC00.LPCB.EC", &handle);
if (ACPI_FAILURE(status)) {
pr_err("%s failed to get handle: %x\n", __func__, status);
return;
}
status = acpi_evaluate_object(handle, "ECMD", &input, NULL);
if (ACPI_FAILURE(status)) {
pr_err("%s failed to call EC_CMD: %x\n", __func__, status);
return;
}
// Update lightbar to match keyboard color
buf[3] = 0x07;
status = acpi_evaluate_object(handle, "ECMD", &input, NULL);
if (ACPI_FAILURE(status)) {
pr_err("%s failed to call EC_CMD: %x\n", __func__, status);
return;
}
kfree(buf);
kb_led_regions[region] = color;
}
static struct led_classdev kb_led = {
.name = "system76::kbd_backlight",
.flags = LED_BRIGHT_HW_CHANGED,
@ -109,11 +177,13 @@ static struct led_classdev kb_led = {
.max_brightness = 255,
};
static ssize_t kb_led_color_show(enum kb_led_region region, char *buf) {
static ssize_t kb_led_color_show(enum kb_led_region region, char *buf)
{
return sprintf(buf, "%06X\n", (int)kb_led_regions[region].rgb);
}
static ssize_t kb_led_color_store(enum kb_led_region region, const char *buf, size_t size) {
static ssize_t kb_led_color_store(enum kb_led_region region, const char *buf, size_t size)
{
unsigned int val;
int ret;
union kb_led_color color;
@ -124,16 +194,21 @@ static ssize_t kb_led_color_store(enum kb_led_region region, const char *buf, si
}
color.rgb = (u32)val;
kb_led_color_set(region, color);
if (driver_flags & DRIVER_KB_LED_WMI)
kb_led_color_set_wmi(region, color);
else
kb_led_color_set(region, color);
return size;
}
static ssize_t kb_led_color_left_show(struct device *dev, struct device_attribute *attr, char *buf) {
static ssize_t kb_led_color_left_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return kb_led_color_show(KB_LED_REGION_LEFT, buf);
}
static ssize_t kb_led_color_left_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) {
static ssize_t kb_led_color_left_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size)
{
return kb_led_color_store(KB_LED_REGION_LEFT, buf, size);
}
@ -146,11 +221,13 @@ static struct device_attribute kb_led_color_left_dev_attr = {
.store = kb_led_color_left_store,
};
static ssize_t kb_led_color_center_show(struct device *dev, struct device_attribute *attr, char *buf) {
static ssize_t kb_led_color_center_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return kb_led_color_show(KB_LED_REGION_CENTER, buf);
}
static ssize_t kb_led_color_center_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) {
static ssize_t kb_led_color_center_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size)
{
return kb_led_color_store(KB_LED_REGION_CENTER, buf, size);
}
@ -163,11 +240,13 @@ static struct device_attribute kb_led_color_center_dev_attr = {
.store = kb_led_color_center_store,
};
static ssize_t kb_led_color_right_show(struct device *dev, struct device_attribute *attr, char *buf) {
static ssize_t kb_led_color_right_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return kb_led_color_show(KB_LED_REGION_RIGHT, buf);
}
static ssize_t kb_led_color_right_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) {
static ssize_t kb_led_color_right_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size)
{
return kb_led_color_store(KB_LED_REGION_RIGHT, buf, size);
}
@ -180,11 +259,13 @@ static struct device_attribute kb_led_color_right_dev_attr = {
.store = kb_led_color_right_store,
};
static ssize_t kb_led_color_extra_show(struct device *dev, struct device_attribute *attr, char *buf) {
static ssize_t kb_led_color_extra_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return kb_led_color_show(KB_LED_REGION_EXTRA, buf);
}
static ssize_t kb_led_color_extra_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) {
static ssize_t kb_led_color_extra_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size)
{
return kb_led_color_store(KB_LED_REGION_EXTRA, buf, size);
}
@ -197,36 +278,43 @@ static struct device_attribute kb_led_color_extra_dev_attr = {
.store = kb_led_color_extra_store,
};
static void kb_led_enable(void) {
S76_DEBUG("kb_led_enable\n");
static void kb_led_enable(void)
{
pr_debug("kb_led_enable\n");
s76_wmbb(SET_KB_LED, 0xE007F001, NULL);
}
static void kb_led_disable(void) {
S76_DEBUG("kb_led_disable\n");
static void kb_led_disable(void)
{
pr_debug("kb_led_disable\n");
s76_wmbb(SET_KB_LED, 0xE0003001, NULL);
}
static void kb_led_suspend(void) {
S76_DEBUG("kb_led_suspend\n");
static void kb_led_suspend(void)
{
pr_debug("kb_led_suspend\n");
// Disable keyboard backlight
kb_led_disable();
}
static void kb_led_resume(void) {
static void kb_led_resume(void)
{
enum kb_led_region region;
S76_DEBUG("kb_led_resume\n");
pr_debug("kb_led_resume\n");
// Disable keyboard backlight
kb_led_disable();
// Reset current color
for (region = 0; region < sizeof(kb_led_regions)/sizeof(union kb_led_color); region++) {
kb_led_color_set(region, kb_led_regions[region]);
if (driver_flags & DRIVER_KB_LED_WMI)
kb_led_color_set_wmi(region, kb_led_regions[region]);
else
kb_led_color_set(region, kb_led_regions[region]);
}
// Reset current brightness
@ -236,7 +324,8 @@ static void kb_led_resume(void) {
kb_led_enable();
}
static int __init kb_led_init(struct device *dev) {
static int __init kb_led_init(struct device *dev)
{
int err;
err = led_classdev_register(dev, &kb_led);
@ -245,19 +334,19 @@ static int __init kb_led_init(struct device *dev) {
}
if (device_create_file(kb_led.dev, &kb_led_color_left_dev_attr) != 0) {
S76_ERROR("failed to create kb_led_color_left\n");
pr_err("failed to create kb_led_color_left\n");
}
if (device_create_file(kb_led.dev, &kb_led_color_center_dev_attr) != 0) {
S76_ERROR("failed to create kb_led_color_center\n");
pr_err("failed to create kb_led_color_center\n");
}
if (device_create_file(kb_led.dev, &kb_led_color_right_dev_attr) != 0) {
S76_ERROR("failed to create kb_led_color_right\n");
pr_err("failed to create kb_led_color_right\n");
}
if (device_create_file(kb_led.dev, &kb_led_color_extra_dev_attr) != 0) {
S76_ERROR("failed to create kb_led_color_extra\n");
pr_err("failed to create kb_led_color_extra\n");
}
kb_led_resume();
@ -265,7 +354,8 @@ static int __init kb_led_init(struct device *dev) {
return 0;
}
static void __exit kb_led_exit(void) {
static void __exit kb_led_exit(void)
{
device_remove_file(kb_led.dev, &kb_led_color_extra_dev_attr);
device_remove_file(kb_led.dev, &kb_led_color_right_dev_attr);
device_remove_file(kb_led.dev, &kb_led_color_center_dev_attr);
@ -276,14 +366,16 @@ static void __exit kb_led_exit(void) {
}
}
static void kb_wmi_brightness(enum led_brightness value) {
S76_DEBUG("kb_wmi_brightness %d\n", (int)value);
static void kb_wmi_brightness(enum led_brightness value)
{
pr_debug("kb_wmi_brightness %d\n", (int)value);
kb_led_set(&kb_led, value);
led_classdev_notify_brightness_hw_changed(&kb_led, value);
}
static void kb_wmi_toggle(void) {
static void kb_wmi_toggle(void)
{
if (kb_led_brightness > 0) {
kb_led_toggle_brightness = kb_led_brightness;
kb_wmi_brightness(LED_OFF);
@ -292,7 +384,8 @@ static void kb_wmi_toggle(void) {
}
}
static void kb_wmi_dec(void) {
static void kb_wmi_dec(void)
{
int i;
if (kb_led_brightness > 0) {
@ -307,7 +400,8 @@ static void kb_wmi_dec(void) {
}
}
static void kb_wmi_inc(void) {
static void kb_wmi_inc(void)
{
int i;
if (kb_led_brightness > 0) {
@ -322,7 +416,8 @@ static void kb_wmi_inc(void) {
}
}
static void kb_wmi_color(void) {
static void kb_wmi_color(void)
{
enum kb_led_region region;
kb_led_colors_i += 1;
@ -331,7 +426,10 @@ static void kb_wmi_color(void) {
}
for (region = 0; region < sizeof(kb_led_regions)/sizeof(union kb_led_color); region++) {
kb_led_color_set(region, kb_led_colors[kb_led_colors_i]);
if (driver_flags & DRIVER_KB_LED_WMI)
kb_led_color_set_wmi(region, kb_led_colors[kb_led_colors_i]);
else
kb_led_color_set(region, kb_led_colors[kb_led_colors_i]);
}
led_classdev_notify_brightness_hw_changed(&kb_led, kb_led_brightness);

182
src/nv_hda.c Normal file
View File

@ -0,0 +1,182 @@
/* Based on bbswitch,
* Copyright (C) 2011-2013 Bumblebee Project
* Author: Peter Wu <lekensteyn@gmail.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
enum {
CARD_UNCHANGED = -1,
CARD_OFF = 0,
CARD_ON = 1,
};
static struct pci_dev *dis_dev;
static struct pci_dev *sub_dev = NULL;
// Returns 1 if the card is disabled, 0 if enabled
static int is_card_disabled(void)
{
// check for: 1.bit is set 2.sub-function is available.
u32 cfg_word;
struct pci_dev *tmp_dev = NULL;
sub_dev = NULL;
// read config word at 0x488
pci_read_config_dword(dis_dev, 0x488, &cfg_word);
if ((cfg_word & 0x2000000)==0x2000000) {
// check for subdevice. read first config dword of sub function 1
while ((tmp_dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, tmp_dev)) != NULL) {
int pci_class = tmp_dev->class >> 8;
if (pci_class != 0x403)
continue;
if (tmp_dev->vendor == PCI_VENDOR_ID_NVIDIA) {
sub_dev = tmp_dev;
pr_info("Found NVIDIA audio device %s\n", dev_name(&tmp_dev->dev));
}
}
if (sub_dev == NULL) {
pr_info("No NVIDIA audio device found, unsetting config bit.\n");
cfg_word|=0x2000000;
pci_write_config_dword(dis_dev, 0x488, cfg_word);
return 1;
}
return 0;
} else {
return 1;
}
}
static void nv_hda_off(void)
{
u32 cfg_word;
if (is_card_disabled()) {
return;
}
// remove device
pci_dev_put(sub_dev);
pci_stop_and_remove_bus_device(sub_dev);
pr_info("NVIDIA audio: disabling\n");
// setting bit to turn off
pci_read_config_dword(dis_dev, 0x488, &cfg_word);
cfg_word&=0xfdffffff;
pci_write_config_dword(dis_dev, 0x488, cfg_word);
}
static void nv_hda_on(void)
{
u32 cfg_word;
u8 hdr_type;
if (!is_card_disabled()) {
return;
}
pr_info("NVIDIA audio: enabling\n");
// read,set bit, write config word at 0x488
pci_read_config_dword(dis_dev, 0x488, &cfg_word);
cfg_word|=0x2000000;
pci_write_config_dword(dis_dev, 0x488, cfg_word);
//pci_scan_single_device
pci_read_config_byte(dis_dev, PCI_HEADER_TYPE, &hdr_type);
if (!(hdr_type & 0x80)) {
pr_err("NVIDIA not multifunction, no audio\n");
return;
}
sub_dev = pci_scan_single_device(dis_dev->bus, 1);
if (!sub_dev) {
pr_err("No NVIDIA audio device found\n");
return;
}
pr_info("NVIDIA audio found, adding\n");
pci_assign_unassigned_bus_resources(dis_dev->bus);
pci_bus_add_devices(dis_dev->bus);
pci_dev_get(sub_dev);
}
/* power bus so we can read PCI configuration space */
static void dis_dev_get(void)
{
if (dis_dev->bus && dis_dev->bus->self) {
pm_runtime_get_sync(&dis_dev->bus->self->dev);
}
}
static void dis_dev_put(void)
{
if (dis_dev->bus && dis_dev->bus->self) {
pm_runtime_put_sync(&dis_dev->bus->self->dev);
}
}
static int __init nv_hda_init(struct device *dev)
{
struct pci_dev *pdev = NULL;
while ((pdev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pdev)) != NULL) {
int pci_class = pdev->class >> 8;
if (pci_class != PCI_CLASS_DISPLAY_VGA && pci_class != PCI_CLASS_DISPLAY_3D) {
continue;
}
if (pdev->vendor == PCI_VENDOR_ID_NVIDIA) {
dis_dev = pdev;
pr_info("NVIDIA device %s\n", dev_name(&pdev->dev));
}
}
if (dis_dev == NULL) {
pr_err("No NVIDIA device found\n");
return -ENODEV;
}
dis_dev_get();
nv_hda_on();
pr_info("NVIDIA Audio %s is %s\n", dev_name(&dis_dev->dev), is_card_disabled() ? "off" : "on");
dis_dev_put();
return 0;
}
static void __exit nv_hda_exit(void)
{
if (dis_dev == NULL)
return;
dis_dev_get();
nv_hda_off();
pr_info("NVIDIA Audio %s is %s\n", dev_name(&dis_dev->dev), is_card_disabled() ? "off" : "on");
dis_dev_put();
}

158
system76.c → src/system76.c
View File

@ -43,13 +43,6 @@
#include <linux/version.h>
#include <linux/workqueue.h>
#define __S76_PR(lvl, fmt, ...) do { pr_##lvl(fmt, ##__VA_ARGS__); } \
while (0)
#define S76_INFO(fmt, ...) __S76_PR(info, fmt, ##__VA_ARGS__)
#define S76_ERROR(fmt, ...) __S76_PR(err, fmt, ##__VA_ARGS__)
#define S76_DEBUG(fmt, ...) __S76_PR(debug, "[%s:%u] " fmt, \
__func__, __LINE__, ##__VA_ARGS__)
#define S76_EVENT_GUID "ABBC0F6B-8EA1-11D1-00A0-C90629100000"
#define S76_WMBB_GUID "ABBC0F6D-8EA1-11D1-00A0-C90629100000"
@ -58,12 +51,13 @@
/* method IDs for S76_GET */
#define GET_EVENT 0x01 /* 1 */
#define DRIVER_AP_KEY (1 << 0)
#define DRIVER_AP_LED (1 << 1)
#define DRIVER_HWMON (1 << 2)
#define DRIVER_KB_LED (1 << 3)
#define DRIVER_OLED (1 << 4)
#define DRIVER_AP_WMI (1 << 5)
#define DRIVER_AP_KEY (1 << 0)
#define DRIVER_AP_LED (1 << 1)
#define DRIVER_HWMON (1 << 2)
#define DRIVER_KB_LED_WMI (1 << 3)
#define DRIVER_OLED (1 << 4)
#define DRIVER_AP_WMI (1 << 5)
#define DRIVER_KB_LED (1 << 6)
#define DRIVER_INPUT (DRIVER_AP_KEY | DRIVER_OLED)
@ -71,14 +65,15 @@ static uint64_t driver_flags = 0;
struct platform_device *s76_platform_device;
static int s76_wmbb(u32 method_id, u32 arg, u32 *retval) {
static int s76_wmbb(u32 method_id, u32 arg, u32 *retval)
{
struct acpi_buffer in = { (acpi_size) sizeof(arg), &arg };
struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
acpi_status status;
u32 tmp;
S76_DEBUG("%0#4x IN : %0#6x\n", method_id, arg);
pr_debug("%0#4x IN : %0#6x\n", method_id, arg);
status = wmi_evaluate_method(S76_WMBB_GUID, 0, method_id, &in, &out);
@ -93,7 +88,7 @@ static int s76_wmbb(u32 method_id, u32 arg, u32 *retval) {
tmp = 0;
}
S76_DEBUG("%0#4x OUT: %0#6x (IN: %0#6x)\n", method_id, tmp, arg);
pr_debug("%0#4x OUT: %0#6x (IN: %0#6x)\n", method_id, tmp, arg);
if (likely(retval)) {
*retval = tmp;
@ -104,48 +99,49 @@ static int s76_wmbb(u32 method_id, u32 arg, u32 *retval) {
return 0;
}
#include "system76_ap-led.c"
#include "system76_input.c"
#include "system76_kb-led.c"
#include "system76_hwmon.c"
#include "system76_nv_hda.c"
#include "ap-led.c"
#include "input.c"
#include "kb-led.c"
#include "hwmon.c"
#include "nv_hda.c"
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,12,0)
static void s76_wmi_notify(union acpi_object *obj, void *context) {
static void s76_wmi_notify(union acpi_object *obj, void *context)
#else
static void s76_wmi_notify(u32 value, void *context) {
static void s76_wmi_notify(u32 value, void *context)
#endif
{
u32 event;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,12,0)
if (obj->type != ACPI_TYPE_INTEGER) {
S76_DEBUG("Unexpected WMI event (%0#6x)\n", obj);
pr_debug("Unexpected WMI event (%0#6x)\n", obj);
return;
}
#else
if (value != 0xD0) {
S76_DEBUG("Unexpected WMI event (%0#6x)\n", value);
pr_debug("Unexpected WMI event (%0#6x)\n", value);
return;
}
#endif
s76_wmbb(GET_EVENT, 0, &event);
S76_DEBUG("WMI event code (%x)\n", event);
pr_debug("WMI event code (%x)\n", event);
switch (event) {
case 0x81:
if (driver_flags & DRIVER_KB_LED) {
if (driver_flags & (DRIVER_KB_LED_WMI | DRIVER_KB_LED)) {
kb_wmi_dec();
}
break;
case 0x82:
if (driver_flags & DRIVER_KB_LED) {
if (driver_flags & (DRIVER_KB_LED_WMI | DRIVER_KB_LED)) {
kb_wmi_inc();
}
break;
case 0x83:
if (driver_flags & DRIVER_KB_LED) {
if (driver_flags & (DRIVER_KB_LED_WMI | DRIVER_KB_LED)) {
kb_wmi_color();
}
break;
@ -156,7 +152,7 @@ static void s76_wmi_notify(u32 value, void *context) {
//TODO: Fn+ESC
break;
case 0x9F:
if (driver_flags & DRIVER_KB_LED) {
if (driver_flags & (DRIVER_KB_LED_WMI | DRIVER_KB_LED)) {
kb_wmi_toggle();
}
break;
@ -178,32 +174,33 @@ static void s76_wmi_notify(u32 value, void *context) {
// Touchpad WMI (enable)
break;
default:
S76_DEBUG("Unknown WMI event code (%x)\n", event);
pr_debug("Unknown WMI event code (%x)\n", event);
break;
}
}
static int __init s76_probe(struct platform_device *dev) {
static int __init s76_probe(struct platform_device *dev)
{
int err;
if (driver_flags & DRIVER_AP_LED) {
err = ap_led_init(&dev->dev);
if (unlikely(err)) {
S76_ERROR("Could not register LED device\n");
pr_err("Could not register LED device\n");
}
}
if (driver_flags & DRIVER_KB_LED) {
if (driver_flags & (DRIVER_KB_LED_WMI | DRIVER_KB_LED)) {
err = kb_led_init(&dev->dev);
if (unlikely(err)) {
S76_ERROR("Could not register LED device\n");
pr_err("Could not register LED device\n");
}
}
if (driver_flags & DRIVER_INPUT) {
err = s76_input_init(&dev->dev);
if (unlikely(err)) {
S76_ERROR("Could not register input device\n");
pr_err("Could not register input device\n");
}
}
@ -215,12 +212,12 @@ static int __init s76_probe(struct platform_device *dev) {
err = nv_hda_init(&dev->dev);
if (unlikely(err)) {
S76_ERROR("Could not register NVIDIA audio device\n");
pr_err("Could not register NVIDIA audio device\n");
}
err = wmi_install_notify_handler(S76_EVENT_GUID, s76_wmi_notify, NULL);
if (unlikely(ACPI_FAILURE(err))) {
S76_ERROR("Could not register WMI notify handler (%0#6x)\n", err);
pr_err("Could not register WMI notify handler (%0#6x)\n", err);
return -EIO;
}
@ -236,10 +233,11 @@ static int __init s76_probe(struct platform_device *dev) {
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,11,0)
static void s76_remove(struct platform_device *dev) {
static void s76_remove(struct platform_device *dev)
#else
static int s76_remove(struct platform_device *dev) {
static int s76_remove(struct platform_device *dev)
#endif
{
wmi_remove_notify_handler(S76_EVENT_GUID);
nv_hda_exit();
@ -251,7 +249,7 @@ static int s76_remove(struct platform_device *dev) {
if (driver_flags & DRIVER_INPUT) {
s76_input_exit();
}
if (driver_flags & DRIVER_KB_LED) {
if (driver_flags & (DRIVER_KB_LED_WMI | DRIVER_KB_LED)) {
kb_led_exit();
}
if (driver_flags & DRIVER_AP_LED) {
@ -263,25 +261,27 @@ static int s76_remove(struct platform_device *dev) {
#endif
}
static int s76_suspend(struct platform_device *dev, pm_message_t status) {
S76_DEBUG("s76_suspend\n");
static int s76_suspend(struct platform_device *dev, pm_message_t status)
{
pr_debug("s76_suspend\n");
if (driver_flags & DRIVER_KB_LED) {
if (driver_flags & (DRIVER_KB_LED_WMI | DRIVER_KB_LED)) {
kb_led_suspend();
}
return 0;
}
static int s76_resume(struct platform_device *dev) {
S76_DEBUG("s76_resume\n");
static int s76_resume(struct platform_device *dev)
{
pr_debug("s76_resume\n");
msleep(2000);
if (driver_flags & DRIVER_AP_LED) {
ap_led_resume();
}
if (driver_flags & DRIVER_KB_LED) {
if (driver_flags & (DRIVER_KB_LED_WMI | DRIVER_KB_LED)) {
kb_led_resume();
}
@ -306,8 +306,9 @@ static struct platform_driver s76_platform_driver = {
},
};
static int __init s76_dmi_matched(const struct dmi_system_id *id) {
S76_INFO("Model %s found\n", id->ident);
static int __init s76_dmi_matched(const struct dmi_system_id *id)
{
pr_info("Model %s found\n", id->ident);
driver_flags = (uint64_t)id->driver_data;
return 1;
}
@ -334,56 +335,57 @@ static int __init s76_dmi_matched(const struct dmi_system_id *id) {
}
static struct dmi_system_id s76_dmi_table[] __initdata = {
DMI_TABLE_LEGACY("bonw13", DRIVER_HWMON | DRIVER_KB_LED),
DMI_TABLE("addw1", DRIVER_AP_LED | DRIVER_KB_LED | DRIVER_OLED),
DMI_TABLE("addw2", DRIVER_AP_LED | DRIVER_KB_LED | DRIVER_OLED),
DMI_TABLE("bonw15-b", DRIVER_HWMON | DRIVER_KB_LED),
DMI_TABLE("bonw16", DRIVER_HWMON | DRIVER_KB_LED),
DMI_TABLE("darp5", DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED),
DMI_TABLE("darp6", DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED),
DMI_TABLE_LEGACY("bonw13", DRIVER_HWMON | DRIVER_KB_LED_WMI),
DMI_TABLE("addw1", DRIVER_AP_LED | DRIVER_KB_LED_WMI | DRIVER_OLED),
DMI_TABLE("addw2", DRIVER_AP_LED | DRIVER_KB_LED_WMI | DRIVER_OLED),
DMI_TABLE("bonw15-b", DRIVER_HWMON | DRIVER_KB_LED_WMI),
DMI_TABLE("bonw16", DRIVER_HWMON | DRIVER_KB_LED_WMI),
DMI_TABLE("darp5", DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED_WMI),
DMI_TABLE("darp6", DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED_WMI),
DMI_TABLE("galp2", DRIVER_HWMON),
DMI_TABLE("galp3", DRIVER_HWMON),
DMI_TABLE("galp3-b", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON),
DMI_TABLE("galp3-c", DRIVER_AP_LED | DRIVER_HWMON),
DMI_TABLE("galp4", DRIVER_AP_LED | DRIVER_HWMON),
DMI_TABLE("gaze13", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON),
DMI_TABLE("gaze14", DRIVER_AP_LED | DRIVER_KB_LED),
DMI_TABLE("gaze15", DRIVER_AP_LED | DRIVER_KB_LED),
DMI_TABLE("gaze14", DRIVER_AP_LED | DRIVER_KB_LED_WMI),
DMI_TABLE("gaze15", DRIVER_AP_LED | DRIVER_KB_LED_WMI),
DMI_TABLE("kudu5", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON),
DMI_TABLE("kudu6", DRIVER_AP_KEY | DRIVER_AP_WMI | DRIVER_KB_LED),
DMI_TABLE("oryp3-jeremy", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED),
DMI_TABLE("oryp4", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED),
DMI_TABLE("oryp4-b", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED),
DMI_TABLE("oryp5", DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED),
DMI_TABLE("oryp6", DRIVER_AP_LED | DRIVER_KB_LED),
DMI_TABLE("pang10", DRIVER_AP_KEY | DRIVER_AP_WMI | DRIVER_KB_LED),
DMI_TABLE("pang11", DRIVER_AP_KEY | DRIVER_AP_WMI | DRIVER_KB_LED),
DMI_TABLE("serw11", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED),
DMI_TABLE("serw11-b", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED),
DMI_TABLE("serw12", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_AP_WMI | DRIVER_KB_LED),
DMI_TABLE("kudu6", DRIVER_AP_KEY | DRIVER_AP_WMI | DRIVER_KB_LED_WMI),
DMI_TABLE("oryp3-jeremy", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED_WMI),
DMI_TABLE("oryp4", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED_WMI),
DMI_TABLE("oryp4-b", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED_WMI),
DMI_TABLE("oryp5", DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED_WMI),
DMI_TABLE("oryp6", DRIVER_AP_LED | DRIVER_KB_LED_WMI),
DMI_TABLE("pang10", DRIVER_AP_KEY | DRIVER_AP_WMI | DRIVER_KB_LED_WMI),
DMI_TABLE("pang11", DRIVER_AP_KEY | DRIVER_AP_WMI | DRIVER_KB_LED_WMI),
DMI_TABLE("serw11", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED_WMI),
DMI_TABLE("serw11-b", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_HWMON | DRIVER_KB_LED_WMI),
DMI_TABLE("serw12", DRIVER_AP_KEY | DRIVER_AP_LED | DRIVER_AP_WMI | DRIVER_KB_LED_WMI),
DMI_TABLE("serw14", DRIVER_HWMON | DRIVER_KB_LED),
{}
};
MODULE_DEVICE_TABLE(dmi, s76_dmi_table);
static int __init s76_init(void) {
static int __init s76_init(void)
{
if (!dmi_check_system(s76_dmi_table)) {
S76_INFO("Model does not utilize this driver");
pr_info("Model does not utilize this driver");
return -ENODEV;
}
if (!driver_flags) {
S76_INFO("Driver data not defined");
pr_info("Driver data not defined");
return -ENODEV;
}
if (!wmi_has_guid(S76_EVENT_GUID)) {
S76_INFO("No known WMI event notification GUID found\n");
pr_info("No known WMI event notification GUID found\n");
return -ENODEV;
}
if (!wmi_has_guid(S76_WMBB_GUID)) {
S76_INFO("No known WMI control method GUID found\n");
pr_info("No known WMI control method GUID found\n");
return -ENODEV;
}
@ -396,13 +398,13 @@ static int __init s76_init(void) {
return 0;
}
module_init(s76_init);
static void __exit s76_exit(void) {
static void __exit s76_exit(void)
{
platform_device_unregister(s76_platform_device);
platform_driver_unregister(&s76_platform_driver);
}
module_init(s76_init);
module_exit(s76_exit);
MODULE_AUTHOR("Jeremy Soller <jeremy@system76.com>");

176
system76_nv_hda.c
View File

@ -1,176 +0,0 @@
/* Based on bbswitch,
* Copyright (C) 2011-2013 Bumblebee Project
* Author: Peter Wu <lekensteyn@gmail.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
enum {
CARD_UNCHANGED = -1,
CARD_OFF = 0,
CARD_ON = 1,
};
static struct pci_dev *dis_dev;
static struct pci_dev *sub_dev = NULL;
// Returns 1 if the card is disabled, 0 if enabled
static int is_card_disabled(void) {
//check for: 1.bit is set 2.sub-function is available.
u32 cfg_word;
struct pci_dev *tmp_dev = NULL;
sub_dev = NULL;
// read config word at 0x488
pci_read_config_dword(dis_dev, 0x488, &cfg_word);
if ((cfg_word & 0x2000000)==0x2000000) {
//check for subdevice. read first config dword of sub function 1
while ((tmp_dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, tmp_dev)) != NULL) {
int pci_class = tmp_dev->class >> 8;
if (pci_class != 0x403)
continue;
if (tmp_dev->vendor == PCI_VENDOR_ID_NVIDIA) {
sub_dev = tmp_dev;
S76_INFO("Found NVIDIA audio device %s\n", dev_name(&tmp_dev->dev));
}
}
if (sub_dev == NULL) {
S76_INFO("No NVIDIA audio device found, unsetting config bit.\n");
cfg_word|=0x2000000;
pci_write_config_dword(dis_dev, 0x488, cfg_word);
return 1;
}
return 0;
} else {
return 1;
}
}
static void nv_hda_off(void) {
u32 cfg_word;
if (is_card_disabled()) {
return;
}
//remove device
pci_dev_put(sub_dev);
pci_stop_and_remove_bus_device(sub_dev);
S76_INFO("NVIDIA audio: disabling\n");
//setting bit to turn off
pci_read_config_dword(dis_dev, 0x488, &cfg_word);
cfg_word&=0xfdffffff;
pci_write_config_dword(dis_dev, 0x488, cfg_word);
}
static void nv_hda_on(void) {
u32 cfg_word;
u8 hdr_type;
if (!is_card_disabled()) {
return;
}
S76_INFO("NVIDIA audio: enabling\n");
// read,set bit, write config word at 0x488
pci_read_config_dword(dis_dev, 0x488, &cfg_word);
cfg_word|=0x2000000;
pci_write_config_dword(dis_dev, 0x488, cfg_word);
//pci_scan_single_device
pci_read_config_byte(dis_dev, PCI_HEADER_TYPE, &hdr_type);
if (!(hdr_type & 0x80)) {
S76_ERROR("NVIDIA not multifunction, no audio\n");
return;
}
sub_dev = pci_scan_single_device(dis_dev->bus, 1);
if (!sub_dev) {
S76_ERROR("No NVIDIA audio device found\n");
return;
}
S76_INFO("NVIDIA audio found, adding\n");
pci_assign_unassigned_bus_resources(dis_dev->bus);
pci_bus_add_devices(dis_dev->bus);
pci_dev_get(sub_dev);
}
/* power bus so we can read PCI configuration space */
static void dis_dev_get(void) {
if (dis_dev->bus && dis_dev->bus->self) {
pm_runtime_get_sync(&dis_dev->bus->self->dev);
}
}
static void dis_dev_put(void) {
if (dis_dev->bus && dis_dev->bus->self) {
pm_runtime_put_sync(&dis_dev->bus->self->dev);
}
}
static int __init nv_hda_init(struct device *dev) {
struct pci_dev *pdev = NULL;
while ((pdev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pdev)) != NULL) {
int pci_class = pdev->class >> 8;
if (pci_class != PCI_CLASS_DISPLAY_VGA && pci_class != PCI_CLASS_DISPLAY_3D) {
continue;
}
if (pdev->vendor == PCI_VENDOR_ID_NVIDIA) {
dis_dev = pdev;
S76_INFO("NVIDIA device %s\n", dev_name(&pdev->dev));
}
}
if (dis_dev == NULL) {
S76_ERROR("No NVIDIA device found\n");
return -ENODEV;
}
dis_dev_get();
nv_hda_on();
S76_INFO("NVIDIA Audio %s is %s\n", dev_name(&dis_dev->dev), is_card_disabled() ? "off" : "on");
dis_dev_put();
return 0;
}
static void __exit nv_hda_exit(void) {
if (dis_dev == NULL)
return;
dis_dev_get();
nv_hda_off();
pr_info("NVIDIA Audio %s is %s\n", dev_name(&dis_dev->dev), is_card_disabled() ? "off" : "on");
dis_dev_put();
}