diff options
Diffstat (limited to 'drivers/platform/x86/msi-laptop.c')
-rw-r--r-- | drivers/platform/x86/msi-laptop.c | 196 |
1 files changed, 127 insertions, 69 deletions
diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c index 7ba107a..0bf94b5 100644 --- a/drivers/platform/x86/msi-laptop.c +++ b/drivers/platform/x86/msi-laptop.c @@ -108,23 +108,38 @@ static const struct key_entry msi_laptop_keymap[] = { static struct input_dev *msi_laptop_input_dev; -static bool old_ec_model; static int wlan_s, bluetooth_s, threeg_s; static int threeg_exists; - -/* Some MSI 3G netbook only have one fn key to control Wlan/Bluetooth/3G, - * those netbook will load the SCM (windows app) to disable the original - * Wlan/Bluetooth control by BIOS when user press fn key, then control - * Wlan/Bluetooth/3G by SCM (software control by OS). Without SCM, user - * cann't on/off 3G module on those 3G netbook. - * On Linux, msi-laptop driver will do the same thing to disable the - * original BIOS control, then might need use HAL or other userland - * application to do the software control that simulate with SCM. - * e.g. MSI N034 netbook - */ -static bool load_scm_model; static struct rfkill *rfk_wlan, *rfk_bluetooth, *rfk_threeg; +/* MSI laptop quirks */ +struct quirk_entry { + bool old_ec_model; + + /* Some MSI 3G netbook only have one fn key to control + * Wlan/Bluetooth/3G, those netbook will load the SCM (windows app) to + * disable the original Wlan/Bluetooth control by BIOS when user press + * fn key, then control Wlan/Bluetooth/3G by SCM (software control by + * OS). Without SCM, user cann't on/off 3G module on those 3G netbook. + * On Linux, msi-laptop driver will do the same thing to disable the + * original BIOS control, then might need use HAL or other userland + * application to do the software control that simulate with SCM. + * e.g. MSI N034 netbook + */ + bool load_scm_model; + + /* Some MSI laptops need delay before reading from EC */ + bool ec_delay; + + /* Some MSI Wind netbooks (e.g. MSI Wind U100) need loading SCM to get + * some features working (e.g. ECO mode), but we cannot change + * Wlan/Bluetooth state in software and we can only read its state. + */ + bool ec_read_only; +}; + +static struct quirk_entry *quirks; + /* Hardware access */ static int set_lcd_level(int level) @@ -195,6 +210,9 @@ static ssize_t set_device_state(const char *buf, size_t count, u8 mask) if (sscanf(buf, "%i", &status) != 1 || (status < 0 || status > 1)) return -EINVAL; + if (quirks->ec_read_only) + return -EOPNOTSUPP; + /* read current device state */ result = ec_read(MSI_STANDARD_EC_COMMAND_ADDRESS, &rdata); if (result < 0) @@ -293,7 +311,7 @@ static ssize_t show_wlan(struct device *dev, int ret, enabled = 0; - if (old_ec_model) { + if (quirks->old_ec_model) { ret = get_wireless_state(&enabled, NULL); } else { ret = get_wireless_state_ec_standard(); @@ -317,7 +335,7 @@ static ssize_t show_bluetooth(struct device *dev, int ret, enabled = 0; - if (old_ec_model) { + if (quirks->old_ec_model) { ret = get_wireless_state(NULL, &enabled); } else { ret = get_wireless_state_ec_standard(); @@ -342,7 +360,7 @@ static ssize_t show_threeg(struct device *dev, int ret; /* old msi ec not support 3G */ - if (old_ec_model) + if (quirks->old_ec_model) return -ENODEV; ret = get_wireless_state_ec_standard(); @@ -448,9 +466,26 @@ static struct platform_device *msipf_device; /* Initialization */ -static int dmi_check_cb(const struct dmi_system_id *id) +static struct quirk_entry quirk_old_ec_model = { + .old_ec_model = true, +}; + +static struct quirk_entry quirk_load_scm_model = { + .load_scm_model = true, + .ec_delay = true, +}; + +static struct quirk_entry quirk_load_scm_ro_model = { + .load_scm_model = true, + .ec_read_only = true, +}; + +static int dmi_check_cb(const struct dmi_system_id *dmi) { - pr_info("Identified laptop model '%s'\n", id->ident); + pr_info("Identified laptop model '%s'\n", dmi->ident); + + quirks = dmi->driver_data; + return 1; } @@ -464,6 +499,7 @@ static struct dmi_system_id __initdata msi_dmi_table[] = { DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR INT'L CO.,LTD") }, + .driver_data = &quirk_old_ec_model, .callback = dmi_check_cb }, { @@ -474,6 +510,7 @@ static struct dmi_system_id __initdata msi_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_VERSION, "0581"), DMI_MATCH(DMI_BOARD_NAME, "MS-1058") }, + .driver_data = &quirk_old_ec_model, .callback = dmi_check_cb }, { @@ -484,6 +521,7 @@ static struct dmi_system_id __initdata msi_dmi_table[] = { DMI_MATCH(DMI_BOARD_VENDOR, "MSI"), DMI_MATCH(DMI_BOARD_NAME, "MS-1412") }, + .driver_data = &quirk_old_ec_model, .callback = dmi_check_cb }, { @@ -495,12 +533,9 @@ static struct dmi_system_id __initdata msi_dmi_table[] = { DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR INT'L CO.,LTD") }, + .driver_data = &quirk_old_ec_model, .callback = dmi_check_cb }, - { } -}; - -static struct dmi_system_id __initdata msi_load_scm_models_dmi_table[] = { { .ident = "MSI N034", .matches = { @@ -510,6 +545,7 @@ static struct dmi_system_id __initdata msi_load_scm_models_dmi_table[] = { DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD") }, + .driver_data = &quirk_load_scm_model, .callback = dmi_check_cb }, { @@ -521,6 +557,7 @@ static struct dmi_system_id __initdata msi_load_scm_models_dmi_table[] = { DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD") }, + .driver_data = &quirk_load_scm_model, .callback = dmi_check_cb }, { @@ -530,6 +567,7 @@ static struct dmi_system_id __initdata msi_load_scm_models_dmi_table[] = { "MICRO-STAR INTERNATIONAL CO., LTD"), DMI_MATCH(DMI_PRODUCT_NAME, "MS-N014"), }, + .driver_data = &quirk_load_scm_model, .callback = dmi_check_cb }, { @@ -539,6 +577,7 @@ static struct dmi_system_id __initdata msi_load_scm_models_dmi_table[] = { "Micro-Star International"), DMI_MATCH(DMI_PRODUCT_NAME, "CR620"), }, + .driver_data = &quirk_load_scm_model, .callback = dmi_check_cb }, { @@ -548,6 +587,7 @@ static struct dmi_system_id __initdata msi_load_scm_models_dmi_table[] = { "Micro-Star International Co., Ltd."), DMI_MATCH(DMI_PRODUCT_NAME, "U270 series"), }, + .driver_data = &quirk_load_scm_model, .callback = dmi_check_cb }, { } @@ -560,32 +600,26 @@ static int rfkill_bluetooth_set(void *data, bool blocked) * blocked == false is on * blocked == true is off */ - if (blocked) - set_device_state("0", 0, MSI_STANDARD_EC_BLUETOOTH_MASK); - else - set_device_state("1", 0, MSI_STANDARD_EC_BLUETOOTH_MASK); + int result = set_device_state(blocked ? "0" : "1", 0, + MSI_STANDARD_EC_BLUETOOTH_MASK); - return 0; + return min(result, 0); } static int rfkill_wlan_set(void *data, bool blocked) { - if (blocked) - set_device_state("0", 0, MSI_STANDARD_EC_WLAN_MASK); - else - set_device_state("1", 0, MSI_STANDARD_EC_WLAN_MASK); + int result = set_device_state(blocked ? "0" : "1", 0, + MSI_STANDARD_EC_WLAN_MASK); - return 0; + return min(result, 0); } static int rfkill_threeg_set(void *data, bool blocked) { - if (blocked) - set_device_state("0", 0, MSI_STANDARD_EC_3G_MASK); - else - set_device_state("1", 0, MSI_STANDARD_EC_3G_MASK); + int result = set_device_state(blocked ? "0" : "1", 0, + MSI_STANDARD_EC_3G_MASK); - return 0; + return min(result, 0); } static const struct rfkill_ops rfkill_bluetooth_ops = { @@ -618,18 +652,27 @@ static void rfkill_cleanup(void) } } +static bool msi_rfkill_set_state(struct rfkill *rfkill, bool blocked) +{ + if (quirks->ec_read_only) + return rfkill_set_hw_state(rfkill, blocked); + else + return rfkill_set_sw_state(rfkill, blocked); +} + static void msi_update_rfkill(struct work_struct *ignored) { get_wireless_state_ec_standard(); if (rfk_wlan) - rfkill_set_sw_state(rfk_wlan, !wlan_s); + msi_rfkill_set_state(rfk_wlan, !wlan_s); if (rfk_bluetooth) - rfkill_set_sw_state(rfk_bluetooth, !bluetooth_s); + msi_rfkill_set_state(rfk_bluetooth, !bluetooth_s); if (rfk_threeg) - rfkill_set_sw_state(rfk_threeg, !threeg_s); + msi_rfkill_set_state(rfk_threeg, !threeg_s); } -static DECLARE_DELAYED_WORK(msi_rfkill_work, msi_update_rfkill); +static DECLARE_DELAYED_WORK(msi_rfkill_dwork, msi_update_rfkill); +static DECLARE_WORK(msi_rfkill_work, msi_update_rfkill); static void msi_send_touchpad_key(struct work_struct *ignored) { @@ -644,7 +687,8 @@ static void msi_send_touchpad_key(struct work_struct *ignored) (rdata & MSI_STANDARD_EC_TOUCHPAD_MASK) ? KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF, 1, true); } -static DECLARE_DELAYED_WORK(msi_touchpad_work, msi_send_touchpad_key); +static DECLARE_DELAYED_WORK(msi_touchpad_dwork, msi_send_touchpad_key); +static DECLARE_WORK(msi_touchpad_work, msi_send_touchpad_key); static bool msi_laptop_i8042_filter(unsigned char data, unsigned char str, struct serio *port) @@ -662,14 +706,20 @@ static bool msi_laptop_i8042_filter(unsigned char data, unsigned char str, extended = false; switch (data) { case 0xE4: - schedule_delayed_work(&msi_touchpad_work, - round_jiffies_relative(0.5 * HZ)); + if (quirks->ec_delay) { + schedule_delayed_work(&msi_touchpad_dwork, + round_jiffies_relative(0.5 * HZ)); + } else + schedule_work(&msi_touchpad_work); break; case 0x54: case 0x62: case 0x76: - schedule_delayed_work(&msi_rfkill_work, - round_jiffies_relative(0.5 * HZ)); + if (quirks->ec_delay) { + schedule_delayed_work(&msi_rfkill_dwork, + round_jiffies_relative(0.5 * HZ)); + } else + schedule_work(&msi_rfkill_work); break; } } @@ -736,8 +786,11 @@ static int rfkill_init(struct platform_device *sdev) } /* schedule to run rfkill state initial */ - schedule_delayed_work(&msi_rfkill_init, - round_jiffies_relative(1 * HZ)); + if (quirks->ec_delay) { + schedule_delayed_work(&msi_rfkill_init, + round_jiffies_relative(1 * HZ)); + } else + schedule_work(&msi_rfkill_work); return 0; @@ -761,7 +814,7 @@ static int msi_laptop_resume(struct device *device) u8 data; int result; - if (!load_scm_model) + if (!quirks->load_scm_model) return 0; /* set load SCM to disable hardware control by fn key */ @@ -819,13 +872,15 @@ static int __init load_scm_model_init(struct platform_device *sdev) u8 data; int result; - /* allow userland write sysfs file */ - dev_attr_bluetooth.store = store_bluetooth; - dev_attr_wlan.store = store_wlan; - dev_attr_threeg.store = store_threeg; - dev_attr_bluetooth.attr.mode |= S_IWUSR; - dev_attr_wlan.attr.mode |= S_IWUSR; - dev_attr_threeg.attr.mode |= S_IWUSR; + if (!quirks->ec_read_only) { + /* allow userland write sysfs file */ + dev_attr_bluetooth.store = store_bluetooth; + dev_attr_wlan.store = store_wlan; + dev_attr_threeg.store = store_threeg; + dev_attr_bluetooth.attr.mode |= S_IWUSR; + dev_attr_wlan.attr.mode |= S_IWUSR; + dev_attr_threeg.attr.mode |= S_IWUSR; + } /* disable hardware control by fn key */ result = ec_read(MSI_STANDARD_EC_SCM_LOAD_ADDRESS, &data); @@ -874,15 +929,16 @@ static int __init msi_init(void) if (acpi_disabled) return -ENODEV; - if (force || dmi_check_system(msi_dmi_table)) - old_ec_model = 1; + dmi_check_system(msi_dmi_table); + if (!quirks) + /* quirks may be NULL if no match in DMI table */ + quirks = &quirk_load_scm_model; + if (force) + quirks = &quirk_old_ec_model; - if (!old_ec_model) + if (!quirks->old_ec_model) get_threeg_exists(); - if (!old_ec_model && dmi_check_system(msi_load_scm_models_dmi_table)) - load_scm_model = 1; - if (auto_brightness < 0 || auto_brightness > 2) return -EINVAL; @@ -918,7 +974,7 @@ static int __init msi_init(void) if (ret) goto fail_platform_device1; - if (load_scm_model && (load_scm_model_init(msipf_device) < 0)) { + if (quirks->load_scm_model && (load_scm_model_init(msipf_device) < 0)) { ret = -EINVAL; goto fail_platform_device1; } @@ -928,7 +984,7 @@ static int __init msi_init(void) if (ret) goto fail_platform_device2; - if (!old_ec_model) { + if (!quirks->old_ec_model) { if (threeg_exists) ret = device_create_file(&msipf_device->dev, &dev_attr_threeg); @@ -949,9 +1005,10 @@ static int __init msi_init(void) fail_platform_device2: - if (load_scm_model) { + if (quirks->load_scm_model) { i8042_remove_filter(msi_laptop_i8042_filter); - cancel_delayed_work_sync(&msi_rfkill_work); + cancel_delayed_work_sync(&msi_rfkill_dwork); + cancel_work_sync(&msi_rfkill_work); rfkill_cleanup(); } platform_device_del(msipf_device); @@ -973,15 +1030,16 @@ fail_backlight: static void __exit msi_cleanup(void) { - if (load_scm_model) { + if (quirks->load_scm_model) { i8042_remove_filter(msi_laptop_i8042_filter); msi_laptop_input_destroy(); - cancel_delayed_work_sync(&msi_rfkill_work); + cancel_delayed_work_sync(&msi_rfkill_dwork); + cancel_work_sync(&msi_rfkill_work); rfkill_cleanup(); } sysfs_remove_group(&msipf_device->dev.kobj, &msipf_attribute_group); - if (!old_ec_model && threeg_exists) + if (!quirks->old_ec_model && threeg_exists) device_remove_file(&msipf_device->dev, &dev_attr_threeg); platform_device_unregister(msipf_device); platform_driver_unregister(&msipf_driver); |