diff options
author | Colin Leitner <colin.leitner@googlemail.com> | 2013-05-27 23:41:05 +0200 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2013-05-28 10:16:49 +0200 |
commit | f04d51404f51947d3feabf2518495ba5aa3bb2c4 (patch) | |
tree | 5de567d8ef3cf1baf1ae0c314c55909b05e14afd /drivers/hid/hid-sony.c | |
parent | f755407dd19072b7d20719bc5454caed9ab41cc1 (diff) | |
download | op-kernel-dev-f04d51404f51947d3feabf2518495ba5aa3bb2c4.zip op-kernel-dev-f04d51404f51947d3feabf2518495ba5aa3bb2c4.tar.gz |
HID: driver for PS2/3 Buzz controllers
This patch adds support for PS2/3 Buzz controllers into hid-sony
It has been tested on Debian 7 with kernel version 3.10.0-rc2. Unfortunately
I can't test the patch with a regular six-axis controller myself.
Signed-off-by: Colin Leitner <colin.leitner@gmail.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: linux-input@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-sony.c')
-rw-r--r-- | drivers/hid/hid-sony.c | 310 |
1 files changed, 301 insertions, 9 deletions
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 312098e..41e829c 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -6,6 +6,7 @@ * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2008 Jiri Slaby * Copyright (c) 2006-2008 Jiri Kosina + * Copyright (c) 2013 Colin Leitner <colin.leitner@gmail.com> */ /* @@ -26,6 +27,7 @@ #define VAIO_RDESC_CONSTANT (1 << 0) #define SIXAXIS_CONTROLLER_USB (1 << 1) #define SIXAXIS_CONTROLLER_BT (1 << 2) +#define BUZZ_CONTROLLER (1 << 3) static const u8 sixaxis_rdesc_fixup[] = { 0x95, 0x13, 0x09, 0x01, 0x81, 0x02, 0x95, 0x0C, @@ -55,8 +57,56 @@ static const u8 sixaxis_rdesc_fixup2[] = { 0xb1, 0x02, 0xc0, 0xc0, }; +static const unsigned int buzz_keymap[] = { + /* The controller has 4 remote buzzers, each with one LED and 5 + * buttons. + * + * We use the mapping chosen by the controller, which is: + * + * Key Offset + * ------------------- + * Buzz 1 + * Blue 5 + * Orange 4 + * Green 3 + * Yellow 2 + * + * So, for example, the orange button on the third buzzer is mapped to + * BTN_TRIGGER_HAPPY14 + */ + [ 1] = BTN_TRIGGER_HAPPY1, + [ 2] = BTN_TRIGGER_HAPPY2, + [ 3] = BTN_TRIGGER_HAPPY3, + [ 4] = BTN_TRIGGER_HAPPY4, + [ 5] = BTN_TRIGGER_HAPPY5, + [ 6] = BTN_TRIGGER_HAPPY6, + [ 7] = BTN_TRIGGER_HAPPY7, + [ 8] = BTN_TRIGGER_HAPPY8, + [ 9] = BTN_TRIGGER_HAPPY9, + [10] = BTN_TRIGGER_HAPPY10, + [11] = BTN_TRIGGER_HAPPY11, + [12] = BTN_TRIGGER_HAPPY12, + [13] = BTN_TRIGGER_HAPPY13, + [14] = BTN_TRIGGER_HAPPY14, + [15] = BTN_TRIGGER_HAPPY15, + [16] = BTN_TRIGGER_HAPPY16, + [17] = BTN_TRIGGER_HAPPY17, + [18] = BTN_TRIGGER_HAPPY18, + [19] = BTN_TRIGGER_HAPPY19, + [20] = BTN_TRIGGER_HAPPY20, +}; + struct sony_sc { unsigned long quirks; + + void *extra; +}; + +struct buzz_extra { +#ifdef CONFIG_LEDS_CLASS + int led_state; + struct led_classdev *leds[4]; +#endif }; /* Sony Vaio VGX has wrongly mouse pointer declared as constant */ @@ -117,6 +167,38 @@ static int sony_raw_event(struct hid_device *hdev, struct hid_report *report, return 0; } +static int sony_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct sony_sc *sc = hid_get_drvdata(hdev); + + if (sc->quirks & BUZZ_CONTROLLER) { + unsigned int key = usage->hid & HID_USAGE; + + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON) + return -1; + + switch (usage->collection_index) { + case 1: + if (key >= ARRAY_SIZE(buzz_keymap)) + return -1; + + key = buzz_keymap[key]; + if (!key) + return -1; + break; + default: + return -1; + } + + hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key); + return 1; + } + + return -1; +} + /* * The Sony Sixaxis does not handle HID Output Reports on the Interrupt EP * like it should according to usbhid/hid-core.c::usbhid_output_raw_report() @@ -192,11 +274,201 @@ static int sixaxis_set_operational_bt(struct hid_device *hdev) return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); } +#ifdef CONFIG_LEDS_CLASS +static void buzz_set_leds(struct hid_device *hdev, int leds) +{ + struct list_head *report_list = + &hdev->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, + struct hid_report, list); + __s32 *value = report->field[0]->value; + + value[0] = 0x00; + value[1] = (leds & 1) ? 0xff : 0x00; + value[2] = (leds & 2) ? 0xff : 0x00; + value[3] = (leds & 4) ? 0xff : 0x00; + value[4] = (leds & 8) ? 0xff : 0x00; + value[5] = 0x00; + value[6] = 0x00; + hid_hw_request(hdev, report, HID_REQ_SET_REPORT); +} + +static void buzz_led_set_brightness(struct led_classdev *led, + enum led_brightness value) +{ + struct device *dev = led->dev->parent; + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct sony_sc *drv_data; + struct buzz_extra *buzz; + + int n; + + drv_data = hid_get_drvdata(hdev); + if (!drv_data || !drv_data->extra) { + hid_err(hdev, "No device data\n"); + return; + } + buzz = drv_data->extra; + + for (n = 0; n < 4; n++) { + if (led == buzz->leds[n]) { + int on = !! (buzz->led_state & (1 << n)); + if (value == LED_OFF && on) { + buzz->led_state &= ~(1 << n); + buzz_set_leds(hdev, buzz->led_state); + } else if (value != LED_OFF && !on) { + buzz->led_state |= (1 << n); + buzz_set_leds(hdev, buzz->led_state); + } + break; + } + } +} + +static enum led_brightness buzz_led_get_brightness(struct led_classdev *led) +{ + struct device *dev = led->dev->parent; + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct sony_sc *drv_data; + struct buzz_extra *buzz; + + int n; + int on = 0; + + drv_data = hid_get_drvdata(hdev); + if (!drv_data || !drv_data->extra) { + hid_err(hdev, "No device data\n"); + return LED_OFF; + } + buzz = drv_data->extra; + + for (n = 0; n < 4; n++) { + if (led == buzz->leds[n]) { + on = !! (buzz->led_state & (1 << n)); + break; + } + } + + return on ? LED_FULL : LED_OFF; +} +#endif + +static int buzz_init(struct hid_device *hdev) +{ + struct sony_sc *drv_data; + struct buzz_extra *buzz; + int ret = 0; + + drv_data = hid_get_drvdata(hdev); + BUG_ON(!(drv_data->quirks & BUZZ_CONTROLLER)); + + buzz = kzalloc(sizeof(*buzz), GFP_KERNEL); + if (!buzz) { + hid_err(hdev, "Insufficient memory, cannot allocate driver data\n"); + return -ENOMEM; + } + drv_data->extra = buzz; + + /* Clear LEDs as we have no way of reading their initial state. This is + * only relevant if the driver is loaded after somebody actively set the + * LEDs to on */ + buzz_set_leds(hdev, 0x00); + +#ifdef CONFIG_LEDS_CLASS + { + int n; + struct led_classdev *led; + size_t name_sz; + char *name; + + name_sz = strlen(dev_name(&hdev->dev)) + strlen("::buzz#") + 1; + + for (n = 0; n < 4; n++) { + led = kzalloc(sizeof(struct led_classdev) + name_sz, GFP_KERNEL); + if (!led) { + hid_err(hdev, "Couldn't allocate memory for LED %d\n", n); + goto error_leds; + } + + name = (void *)(&led[1]); + snprintf(name, name_sz, "%s::buzz%d", dev_name(&hdev->dev), n + 1); + led->name = name; + led->brightness = 0; + led->max_brightness = 1; + led->brightness_get = buzz_led_get_brightness; + led->brightness_set = buzz_led_set_brightness; + + if (led_classdev_register(&hdev->dev, led)) { + hid_err(hdev, "Failed to register LED %d\n", n); + kfree(led); + goto error_leds; + } + + buzz->leds[n] = led; + } + } +#endif + + return ret; + +#ifdef CONFIG_LEDS_CLASS +error_leds: + { + int n; + struct led_classdev *led; + + for (n = 0; n < 4; n++) { + led = buzz->leds[n]; + buzz->leds[n] = NULL; + if (!led) + continue; + led_classdev_unregister(led); + kfree(led); + } + } + + kfree(drv_data->extra); + drv_data->extra = NULL; + return ret; +#endif +} + +static void buzz_remove(struct hid_device *hdev) +{ + struct sony_sc *drv_data; + struct buzz_extra *buzz; + + drv_data = hid_get_drvdata(hdev); + BUG_ON(!(drv_data->quirks & BUZZ_CONTROLLER)); + + buzz = drv_data->extra; + +#ifdef CONFIG_LEDS_CLASS + { + int n; + struct led_classdev *led; + + for (n = 0; n < 4; n++) { + led = buzz->leds[n]; + buzz->leds[n] = NULL; + if (!led) + continue; + led_classdev_unregister(led); + kfree(led); + } + } +#endif + + kfree(drv_data->extra); + drv_data->extra = NULL; +} + static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; unsigned long quirks = id->driver_data; struct sony_sc *sc; + unsigned int connect_mask = HID_CONNECT_DEFAULT; sc = kzalloc(sizeof(*sc), GFP_KERNEL); if (sc == NULL) { @@ -213,8 +485,14 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_free; } - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | - HID_CONNECT_HIDDEV_FORCE); + if (sc->quirks & VAIO_RDESC_CONSTANT) + connect_mask |= HID_CONNECT_HIDDEV_FORCE; + else if (sc->quirks & SIXAXIS_CONTROLLER_USB) + connect_mask |= HID_CONNECT_HIDDEV_FORCE; + else if (sc->quirks & SIXAXIS_CONTROLLER_BT) + connect_mask |= HID_CONNECT_HIDDEV_FORCE; + + ret = hid_hw_start(hdev, connect_mask); if (ret) { hid_err(hdev, "hw start failed\n"); goto err_free; @@ -226,6 +504,8 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) } else if (sc->quirks & SIXAXIS_CONTROLLER_BT) ret = sixaxis_set_operational_bt(hdev); + else if (sc->quirks & BUZZ_CONTROLLER) + ret = buzz_init(hdev); else ret = 0; @@ -242,8 +522,13 @@ err_free: static void sony_remove(struct hid_device *hdev) { + struct sony_sc *sc = hid_get_drvdata(hdev); + + if (sc->quirks & BUZZ_CONTROLLER) + buzz_remove(hdev); + hid_hw_stop(hdev); - kfree(hid_get_drvdata(hdev)); + kfree(sc); } static const struct hid_device_id sony_devices[] = { @@ -257,17 +542,24 @@ static const struct hid_device_id sony_devices[] = { .driver_data = VAIO_RDESC_CONSTANT }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE), .driver_data = VAIO_RDESC_CONSTANT }, + /* Wired Buzz Controller. Reported as Sony Hub from its USB ID and as + * Logitech joystick from the device descriptor. */ + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER), + .driver_data = BUZZ_CONTROLLER }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER), + .driver_data = BUZZ_CONTROLLER }, { } }; MODULE_DEVICE_TABLE(hid, sony_devices); static struct hid_driver sony_driver = { - .name = "sony", - .id_table = sony_devices, - .probe = sony_probe, - .remove = sony_remove, - .report_fixup = sony_report_fixup, - .raw_event = sony_raw_event + .name = "sony", + .id_table = sony_devices, + .input_mapping = sony_mapping, + .probe = sony_probe, + .remove = sony_remove, + .report_fixup = sony_report_fixup, + .raw_event = sony_raw_event }; module_hid_driver(sony_driver); |