diff options
| -rw-r--r-- | drivers/platform/x86/sony-laptop.c | 319 |
1 files changed, 233 insertions, 86 deletions
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index d6c53c622b6c..4420353cfb68 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -141,6 +141,8 @@ MODULE_PARM_DESC(kbd_backlight_timeout, "(default: 0)"); static void sony_nc_kbd_backlight_resume(void); +static void sony_nc_kbd_backlight_setup(struct platform_device *pd); +static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd); enum sony_nc_rfkill { SONY_WIFI, @@ -153,6 +155,8 @@ enum sony_nc_rfkill { static int sony_rfkill_handle; static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; +static void sony_nc_rfkill_setup(struct acpi_device *device); +static void sony_nc_rfkill_cleanup(void); static void sony_nc_rfkill_update(void); /*********** Input Devices ***********/ @@ -1103,63 +1107,116 @@ static struct sony_nc_event sony_127_events[] = { { 0, 0 }, }; +static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) +{ + int ret = -EINVAL; + unsigned int result = 0; + struct sony_nc_event *key_event; + + if (sony_call_snc_handle(handle, 0x200, &result)) { + dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle, + event); + return -EINVAL; + } + + result &= 0xFF; + + if (handle == 0x0100) + key_event = sony_100_events; + else + key_event = sony_127_events; + + for (; key_event->data; key_event++) { + if (key_event->data == result) { + ret = key_event->event; + break; + } + } + + if (!key_event->data) + pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n", + event, result, handle); + + return ret; +} + /* * ACPI callbacks */ static void sony_nc_notify(struct acpi_device *device, u32 event) { - u32 ev = event; + u32 real_ev = event; + u8 ev_type = 0; + dprintk("sony_nc_notify, event: 0x%.2x\n", event); - if (ev >= 0x90) { - /* New-style event */ - int result; - int key_handle = 0; - ev -= 0x90; - - if (sony_find_snc_handle(0x100) == ev) - key_handle = 0x100; - if (sony_find_snc_handle(0x127) == ev) - key_handle = 0x127; - - if (key_handle) { - struct sony_nc_event *key_event; - - if (sony_call_snc_handle(key_handle, 0x200, &result)) { - dprintk("sony_nc_notify, unable to decode" - " event 0x%.2x 0x%.2x\n", key_handle, - ev); - /* restore the original event */ - ev = event; - } else { - ev = result & 0xFF; - - if (key_handle == 0x100) - key_event = sony_100_events; - else - key_event = sony_127_events; - - for (; key_event->data; key_event++) { - if (key_event->data == ev) { - ev = key_event->event; - break; - } - } + if (event >= 0x90) { + unsigned int result = 0; + unsigned int arg = 0; + unsigned int handle = 0; + unsigned int offset = event - 0x90; - if (!key_event->data) - pr_info("Unknown event: 0x%x 0x%x\n", - key_handle, ev); - else - sony_laptop_report_input_event(ev); - } - } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) { - sony_nc_rfkill_update(); + if (offset >= ARRAY_SIZE(handles->cap)) { + pr_err("Event 0x%x outside of capabilities list\n", + event); return; } - } else - sony_laptop_report_input_event(ev); + handle = handles->cap[offset]; + + /* list of handles known for generating events */ + switch (handle) { + /* hotkey event */ + case 0x0100: + case 0x0127: + ev_type = 1; + real_ev = sony_nc_hotkeys_decode(event, handle); + + if (real_ev > 0) + sony_laptop_report_input_event(real_ev); + else + /* restore the original event for reporting */ + real_ev = event; + + break; + + /* wlan switch */ + case 0x0124: + case 0x0135: + /* events on this handle are reported when the + * switch changes position or for battery + * events. We'll notify both of them but only + * update the rfkill device status when the + * switch is moved. + */ + ev_type = 2; + sony_call_snc_handle(handle, 0x0100, &result); + real_ev = result & 0x03; + + /* hw switch event */ + if (real_ev == 1) + sony_nc_rfkill_update(); + + break; + + default: + dprintk("Unknown event 0x%x for handle 0x%x\n", + event, handle); + break; + } - dprintk("sony_nc_notify, event: 0x%.2x\n", ev); - acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev); + /* clear the event (and the event reason when present) */ + arg = 1 << offset; + sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); + + } else { + /* old style event */ + ev_type = 1; + sony_laptop_report_input_event(real_ev); + } + + acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev); + + acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, + dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); } static acpi_status sony_walk_callback(acpi_handle handle, u32 level, @@ -1180,21 +1237,126 @@ static acpi_status sony_walk_callback(acpi_handle handle, u32 level, /* * ACPI device */ -static int sony_nc_function_setup(struct acpi_device *device) +static void sony_nc_function_setup(struct acpi_device *device, + struct platform_device *pf_device) { - int result, arg; + unsigned int i, result, bitmask, arg; + + if (!handles) + return; + + /* setup found handles here */ + for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { + unsigned int handle = handles->cap[i]; + + if (!handle) + continue; + + dprintk("setting up handle 0x%.4x\n", handle); + + switch (handle) { + case 0x0100: + case 0x0101: + case 0x0127: + /* setup hotkeys */ + sony_call_snc_handle(handle, 0, &result); + break; + case 0x0102: + /* setup hotkeys */ + sony_call_snc_handle(handle, 0x100, &result); + break; + case 0x0124: + case 0x0135: + sony_nc_rfkill_setup(device); + break; + case 0x0137: + sony_nc_kbd_backlight_setup(pf_device); + break; + default: + continue; + } + } /* Enable all events */ - arg = 0xffff; - sony_nc_int_call(sony_nc_acpi_handle, "SN02", &arg, &result); + arg = 0x10; + if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) + sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, + &result); +} + +static void sony_nc_function_cleanup(struct platform_device *pd) +{ + unsigned int i, result, bitmask, handle; - /* Setup hotkeys */ - sony_call_snc_handle(0x0100, 0, &result); - sony_call_snc_handle(0x0101, 0, &result); - sony_call_snc_handle(0x0102, 0x100, &result); - sony_call_snc_handle(0x0127, 0, &result); + /* get enabled events and disable them */ + sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); + sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); - return 0; + /* cleanup handles here */ + for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { + + handle = handles->cap[i]; + + if (!handle) + continue; + + switch (handle) { + case 0x0124: + case 0x0135: + sony_nc_rfkill_cleanup(); + break; + case 0x0137: + sony_nc_kbd_backlight_cleanup(pd); + break; + default: + continue; + } + } + + /* finally cleanup the handles list */ + sony_nc_handles_cleanup(pd); +} + +static void sony_nc_function_resume(void) +{ + unsigned int i, result, bitmask, arg; + + dprintk("Resuming SNC device\n"); + + for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { + unsigned int handle = handles->cap[i]; + + if (!handle) + continue; + + switch (handle) { + case 0x0100: + case 0x0101: + case 0x0127: + /* re-enable hotkeys */ + sony_call_snc_handle(handle, 0, &result); + break; + case 0x0102: + /* re-enable hotkeys */ + sony_call_snc_handle(handle, 0x100, &result); + break; + case 0x0124: + case 0x0135: + sony_nc_rfkill_update(); + break; + case 0x0137: + sony_nc_kbd_backlight_resume(); + break; + default: + continue; + } + } + + /* Enable all events */ + arg = 0x10; + if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) + sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, + &result); } static int sony_nc_resume(struct acpi_device *device) @@ -1223,16 +1385,8 @@ static int sony_nc_resume(struct acpi_device *device) } if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", - &handle))) { - dprintk("Doing SNC setup\n"); - sony_nc_function_setup(device); - } - - /* re-read rfkill state */ - sony_nc_rfkill_update(); - - /* restore kbd backlight states */ - sony_nc_kbd_backlight_resume(); + &handle))) + sony_nc_function_resume(); return 0; } @@ -1509,18 +1663,18 @@ static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, return count; } -static int sony_nc_kbd_backlight_setup(struct platform_device *pd) +static void sony_nc_kbd_backlight_setup(struct platform_device *pd) { int result; if (sony_call_snc_handle(KBDBL_HANDLER, KBDBL_PRESENT, &result)) - return 0; + return; if (!(result & 0x02)) - return 0; + return; kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL); if (!kbdbl_handle) - return -ENOMEM; + return; sysfs_attr_init(&kbdbl_handle->mode_attr.attr); kbdbl_handle->mode_attr.attr.name = "kbd_backlight"; @@ -1543,14 +1697,14 @@ static int sony_nc_kbd_backlight_setup(struct platform_device *pd) __sony_nc_kbd_backlight_mode_set(kbd_backlight); __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout); - return 0; + return; outmode: device_remove_file(&pd->dev, &kbdbl_handle->mode_attr); outkzalloc: kfree(kbdbl_handle); kbdbl_handle = NULL; - return -1; + return; } static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd) @@ -1726,21 +1880,17 @@ 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"); + /* retrieve the available handles */ result = sony_nc_handles_setup(sony_pf_device); - if (result) - goto outpresent; - result = sony_nc_kbd_backlight_setup(sony_pf_device); - if (result) - goto outsnc; - sony_nc_function_setup(device); - sony_nc_rfkill_setup(device); + if (!result) + sony_nc_function_setup(device, sony_pf_device); } /* setup input devices and helper fifo */ result = sony_laptop_setup_input(device); if (result) { pr_err("Unable to create input devices\n"); - goto outkbdbacklight; + goto outsnc; } if (acpi_video_backlight_support()) { @@ -1798,10 +1948,8 @@ static int sony_nc_add(struct acpi_device *device) sony_laptop_remove_input(); - outkbdbacklight: - sony_nc_kbd_backlight_cleanup(sony_pf_device); - outsnc: + sony_nc_function_cleanup(sony_pf_device); sony_nc_handles_cleanup(sony_pf_device); outpresent: @@ -1824,11 +1972,10 @@ 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_function_cleanup(sony_pf_device); sony_nc_handles_cleanup(sony_pf_device); sony_pf_remove(); sony_laptop_remove_input(); - sony_nc_rfkill_cleanup(); dprintk(SONY_NC_DRIVER_NAME " removed.\n"); return 0; |