Added support for 4 zone keyboard rgb on omen laptops.
Signed-off-by: Carlos Ferreira <carlosmiguelferreira.2003@xxxxxxxxx>
---
drivers/platform/x86/hp/hp-wmi.c | 308 +++++++++++++++++++++++++++----
1 file changed, 273 insertions(+), 35 deletions(-)
diff --git a/drivers/platform/x86/hp/hp-wmi.c b/drivers/platform/x86/hp/hp-wmi.c
index e53660422..f420f41c7 100644
--- a/drivers/platform/x86/hp/hp-wmi.c
+++ b/drivers/platform/x86/hp/hp-wmi.c
@@ -103,7 +103,7 @@ enum hp_wmi_event_ids {
/*
* struct bios_args buffer is dynamically allocated. New WMI command types
* were introduced that exceeds 128-byte data size. Changes to handle
- * the data size allocation scheme were kept in hp_wmi_perform_qurey function.
+ * the data size allocation scheme were kept in hp_wmi_perform_query function.
*/
struct bios_args {
u32 signature;
@@ -114,15 +114,15 @@ struct bios_args {
};
enum hp_wmi_commandtype {
- HPWMI_DISPLAY_QUERY = 0x01,
- HPWMI_HDDTEMP_QUERY = 0x02,
- HPWMI_ALS_QUERY = 0x03,
+ HPWMI_DISPLAY_QUERY = 0x01,
+ HPWMI_HDDTEMP_QUERY = 0x02,
+ HPWMI_ALS_QUERY = 0x03,
HPWMI_HARDWARE_QUERY = 0x04,
HPWMI_WIRELESS_QUERY = 0x05,
- HPWMI_BATTERY_QUERY = 0x07,
- HPWMI_BIOS_QUERY = 0x09,
- HPWMI_FEATURE_QUERY = 0x0b,
- HPWMI_HOTKEY_QUERY = 0x0c,
+ HPWMI_BATTERY_QUERY = 0x07,
+ HPWMI_BIOS_QUERY = 0x09,
+ HPWMI_FEATURE_QUERY = 0x0b,
+ HPWMI_HOTKEY_QUERY = 0x0c,
HPWMI_FEATURE2_QUERY = 0x0d,
HPWMI_WIRELESS2_QUERY = 0x1b,
HPWMI_POSTCODEERROR_QUERY = 0x2a,
@@ -131,18 +131,36 @@ enum hp_wmi_commandtype {
};
enum hp_wmi_gm_commandtype {
- HPWMI_FAN_SPEED_GET_QUERY = 0x11,
- HPWMI_SET_PERFORMANCE_MODE = 0x1A,
+ HPWMI_FAN_SPEED_GET_QUERY = 0x11,
+ HPWMI_SET_PERFORMANCE_MODE = 0x1A,
HPWMI_FAN_SPEED_MAX_GET_QUERY = 0x26,
HPWMI_FAN_SPEED_MAX_SET_QUERY = 0x27,
- HPWMI_GET_SYSTEM_DESIGN_DATA = 0x28,
+ HPWMI_GET_SYSTEM_DESIGN_DATA = 0x28,
+ HPWMI_GET_KEYBOARD_TYPE = 0x2B,
+};
+
+enum hp_wmi_fourzone_commandtype {
+ HPWMI_SUPPORTS_LIGHTNING = 0x01,
+ HPWMI_FOURZONE_COLOR_GET = 0x02,
+ HPWMI_FOURZONE_COLOR_SET = 0x03,
+ HPWMI_FOURZONE_MODE_GET = 0x04,
+ HPWMI_FOURZONE_MODE_SET = 0x05,
+};
+
+enum hp_wmi_keyboardtype {
+ HPWMI_KEYBOARD_INVALID = 0x00,
+ HPWMI_KEYBOARD_NORMAL = 0x01,
+ HPWMI_KEYBOARD_WITH_NUMPAD = 0x02,
+ HPWMI_KEYBOARD_WITHOUT_NUMPAD = 0x03,
+ HPWMI_KEYBOARD_RGB = 0x04,
};
enum hp_wmi_command {
- HPWMI_READ = 0x01,
- HPWMI_WRITE = 0x02,
- HPWMI_ODM = 0x03,
- HPWMI_GM = 0x20008,
+ HPWMI_READ = 0x01,
+ HPWMI_WRITE = 0x02,
+ HPWMI_ODM = 0x03,
+ HPWMI_GM = 0x20008,
+ HPWMI_FOURZONE = 0x20009,
};
enum hp_wmi_hardware_mask {
@@ -156,18 +174,18 @@ struct bios_return {
};
enum hp_return_value {
- HPWMI_RET_WRONG_SIGNATURE = 0x02,
- HPWMI_RET_UNKNOWN_COMMAND = 0x03,
- HPWMI_RET_UNKNOWN_CMDTYPE = 0x04,
- HPWMI_RET_INVALID_PARAMETERS = 0x05,
+ 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,
- HPWMI_POWER_FW_OR_HW = HPWMI_POWER_BIOS | HPWMI_POWER_HARD,
+ HPWMI_POWER_STATE = 0x01,
+ HPWMI_POWER_SOFT = 0x02,
+ HPWMI_POWER_BIOS = 0x04,
+ HPWMI_POWER_HARD = 0x08,
+ HPWMI_POWER_FW_OR_HW = HPWMI_POWER_BIOS | HPWMI_POWER_HARD,
};
enum hp_thermal_profile_omen_v0 {
@@ -177,22 +195,22 @@ enum hp_thermal_profile_omen_v0 {
};
enum hp_thermal_profile_omen_v1 {
- HP_OMEN_V1_THERMAL_PROFILE_DEFAULT = 0x30,
- HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE = 0x31,
- HP_OMEN_V1_THERMAL_PROFILE_COOL = 0x50,
+ HP_OMEN_V1_THERMAL_PROFILE_DEFAULT = 0x30,
+ HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE = 0x31,
+ HP_OMEN_V1_THERMAL_PROFILE_COOL = 0x50,
};
enum hp_thermal_profile_victus {
- HP_VICTUS_THERMAL_PROFILE_DEFAULT = 0x00,
- HP_VICTUS_THERMAL_PROFILE_PERFORMANCE = 0x01,
- HP_VICTUS_THERMAL_PROFILE_QUIET = 0x03,
+ HP_VICTUS_THERMAL_PROFILE_DEFAULT = 0x00,
+ HP_VICTUS_THERMAL_PROFILE_PERFORMANCE = 0x01,
+ HP_VICTUS_THERMAL_PROFILE_QUIET = 0x03,
};
enum hp_thermal_profile {
- HP_THERMAL_PROFILE_PERFORMANCE = 0x00,
- HP_THERMAL_PROFILE_DEFAULT = 0x01,
- HP_THERMAL_PROFILE_COOL = 0x02,
- HP_THERMAL_PROFILE_QUIET = 0x03,
+ HP_THERMAL_PROFILE_PERFORMANCE = 0x00,
+ HP_THERMAL_PROFILE_DEFAULT = 0x01,
+ HP_THERMAL_PROFILE_COOL = 0x02,
+ HP_THERMAL_PROFILE_QUIET = 0x03,
};
#define IS_HWBLOCKED(x) ((x & HPWMI_POWER_FW_OR_HW) != HPWMI_POWER_FW_OR_HW)
@@ -754,6 +772,67 @@ static ssize_t postcode_store(struct device *dev, struct device_attribute *attr,
return count;
}
+static int fourzone_get_colors(u32 *colors);
+static int fourzone_set_colors(u32 *colors);
+
+static ssize_t colors_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ u32 colors[4];
+
+ /* read the colors from wmi and write them to the buf */
+ if (fourzone_get_colors(colors) == 0)
+ return sprintf(buf, "%06x %06x %06x %06x\n",
+ colors[0], colors[1], colors[2], colors[3]);
+
+ return -EINVAL;
+}
+
+static ssize_t colors_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ u32 colors[4];
+
+ if (sscanf(buf, "%6x %6x %6x %6x", &colors[0], &colors[1], &colors[2], &colors[3]) != 4)
+ return -EINVAL;
+
+ /* set the colors */
+ int ret = fourzone_set_colors(colors);
+
+ return ret == 0 ? count : ret;
+}
+
+static int fourzone_get_mode(void);
+static int fourzone_set_mode(u32 mode);
+
+static ssize_t mode_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ /* read the mode from wmi and write it to the buf */
+ u32 ret = fourzone_get_mode();
+
+ if (ret >= 0)
+ return sprintf(buf, "%d\n", ret);
+
+ return ret;
+}
+
+static ssize_t mode_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ u32 mode;
+
+ int ret = kstrtou32(buf, 10, &mode);
+
+ if (ret)
+ return ret;
+
+ /* set the mode */
+ ret = fourzone_set_mode(mode);
+
+ return ret == 0 ? count : ret;
+}
+
static int camera_shutter_input_setup(void)
{
int err;
@@ -781,6 +860,22 @@ static int camera_shutter_input_setup(void)
return err;
}
+static enum hp_wmi_keyboardtype fourzone_get_keyboard_type(void);
+
+static ssize_t type_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ enum hp_wmi_keyboardtype type = fourzone_get_keyboard_type();
+
+ if (type != HPWMI_KEYBOARD_INVALID)
+ return sprintf(buf, "%d\n", type - 1);
+
+ return -EINVAL;
+}
+
+/*
+ * Generic device attributes.
+ */
static DEVICE_ATTR_RO(display);
static DEVICE_ATTR_RO(hddtemp);
static DEVICE_ATTR_RW(als);
@@ -797,7 +892,35 @@ static struct attribute *hp_wmi_attrs[] = {
&dev_attr_postcode.attr,
NULL,
};
-ATTRIBUTE_GROUPS(hp_wmi);
+
+static struct attribute_group hp_wmi_group = {
+ .attrs = hp_wmi_attrs,
+};
+
+/*
+ * Omen fourzone specific device attributes.
+ */
+static DEVICE_ATTR_RW(colors);
+static DEVICE_ATTR_RW(mode);
+static DEVICE_ATTR_RO(type);
+
+static struct attribute *hp_wmi_fourzone_attrs[] = {
+ &dev_attr_colors.attr,
+ &dev_attr_mode.attr,
+ &dev_attr_type.attr,
+ NULL,
+};
+
+static struct attribute_group hp_wmi_fourzone_group = {
+ .attrs = hp_wmi_fourzone_attrs,
+ .name = "kbd-backlight",
+};
+
+static const struct attribute_group *hp_wmi_groups[] = {
+ &hp_wmi_group,
+ NULL,
+ NULL,
+};
static void hp_wmi_notify(u32 value, void *context)
{
@@ -1446,6 +1569,118 @@ static int thermal_profile_setup(void)
return 0;
}
+static bool fourzone_supports_lighting(void)
+{
+ u8 buff[128];
+
+ int ret = hp_wmi_perform_query(HPWMI_SUPPORTS_LIGHTNING, HPWMI_FOURZONE,
+ &buff, sizeof(buff), sizeof(buff));
+ /* the first bit in the response is set to 1 if the system supports lighting */
+ if (ret == 0)
+ return (buff[0] & 0x01) == 1;
+
+ return false;
+}
+
+static enum hp_wmi_keyboardtype fourzone_get_keyboard_type(void)
+{
+ u8 buff[128];
+
+ int ret = hp_wmi_perform_query(HPWMI_GET_KEYBOARD_TYPE, HPWMI_GM,
+ &buff, sizeof(buff), sizeof(buff));
+ /* the first byte in the response represents the keyborad type */
+ if (ret == 0)
+ return (enum hp_wmi_keyboardtype)(buff[0] + 1);
+
+ return HPWMI_KEYBOARD_INVALID;
+}
+
+static int fourzone_get_colors(u32 *colors)
+{
+ u8 buff[128];
+
+ if (hp_wmi_perform_query(HPWMI_FOURZONE_COLOR_GET, HPWMI_FOURZONE,
+ &buff, sizeof(buff), sizeof(buff)) == 0) {
+ for (int i = 0; i < 4; i++) {
+ colors[3 - i] = ((buff[25 + i * 3] & 0xFF) << 16) // r
+ | ((buff[25 + i * 3 + 1] & 0xFF) << 8) // g
+ | ((buff[25 + i * 3 + 2] & 0xFF) << 0); // b
+ }
+
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+static int fourzone_set_colors(u32 *colors)
+{
+ u8 buff[128];
+
+ if (hp_wmi_perform_query(HPWMI_FOURZONE_COLOR_GET, HPWMI_FOURZONE,
+ &buff, sizeof(buff), sizeof(buff)) == 0) {
+ for (int i = 0; i < 4; i++) {
+ buff[25 + i * 3] = (colors[3 - i] >> 16) & 0xFF; // r
+ buff[25 + i * 3 + 1] = (colors[3 - i] >> 8) & 0xFF; // g
+ buff[25 + i * 3 + 2] = (colors[3 - i] >> 0) & 0xFF; // b
+ }
+
+ return hp_wmi_perform_query(HPWMI_FOURZONE_COLOR_SET, HPWMI_FOURZONE,
+ &buff, sizeof(buff), sizeof(buff));
+ }
+
+ return -EINVAL;
+}
+
+/*
+ * Returns a negative number on error or 0/1 for the mode.
+ */
+static int fourzone_get_mode(void)
+{
+ u8 buff[4];
+
+ int ret = hp_wmi_perform_query(HPWMI_FOURZONE_MODE_GET, HPWMI_FOURZONE,
+ &buff, sizeof(buff), sizeof(buff));
+
+ if (ret == 0)
+ return buff[0] == 228 ? 1 : 0;
+
+ return ret;
+}
+
+/*
+ * This device supports only two different modes:
+ * 1 -> lights on
+ * 0 -> lights off
+ */
+static int fourzone_set_mode(u32 mode)
+{
+ u8 buff[4] = {mode ? 228 : 100, 0, 0, 0};
+
+ return hp_wmi_perform_query(HPWMI_FOURZONE_MODE_SET, HPWMI_FOURZONE,
+ &buff, sizeof(buff), 0);
+}
+
+static int fourzone_setup(struct platform_device *device)
+{
+ /* check if the system supports lighting */
+ bool supports_lighting = fourzone_supports_lighting();
+
+ if (!supports_lighting)
+ return -ENODEV;
+
+ /* check if we have a supported keyboard type */
+ enum hp_wmi_keyboardtype kbd_type = fourzone_get_keyboard_type();
+
+ if (kbd_type != HPWMI_KEYBOARD_WITHOUT_NUMPAD)
+ return -ENODEV;
+
+ /* register the new groups */
+ hp_wmi_groups[1] = &hp_wmi_fourzone_group;
+
+ return 0;
+}
+
static int hp_wmi_hwmon_init(void);
static int __init hp_wmi_bios_setup(struct platform_device *device)
@@ -1475,6 +1710,9 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
thermal_profile_setup();
+ /* setup 4 zone rgb, no problem if it fails */
+ fourzone_setup(device);
+
return 0;
}
--
2.44.0
