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HID: sony: Add force feedback support for Dualshock3 USB 

Sony Dualshock 3 controllers have two motors which can be used to provide
simple force feedback rumble effects. The right motor is can be used to create
a weak rumble effect but does not allow to set the force. The left motor is
used to create a strong rumble effect with adjustable intensity.

The state of both motors can be changed using HID_OUTPUT_REPORT packets and
have no timing information. FF memless is used to keep track of the timing and
the sony driver just generates the necessary URBs.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
hifive-unleashed-5.1
Sven Eckelmann 2013-11-09 19:25:57 +01:00 committed by Jiri Kosina
parent ae2aa3a512
commit a08c22c0df
2 changed files with 60 additions and 0 deletions
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8
drivers/hid/Kconfig
View File

@ -613,6 +613,14 @@ config HID_SONY
* Sony PS3 Blue-ray Disk Remote Control (Bluetooth)
* Logitech Harmony adapter for Sony Playstation 3 (Bluetooth)
config SONY_FF
bool "Sony PS2/3 accessories force feedback support"
depends on HID_SONY
select INPUT_FF_MEMLESS
---help---
Say Y here if you have a Sony PS2/3 accessory and want to enable force
feedback support for it.
config HID_SPEEDLINK
tristate "Speedlink VAD Cezanne mouse support"
depends on HID

52
drivers/hid/hid-sony.c
View File

@ -614,6 +614,54 @@ static void buzz_remove(struct hid_device *hdev)
drv_data->extra = NULL;
}
#ifdef CONFIG_SONY_FF
static int sony_play_effect(struct input_dev *dev, void *data,
struct ff_effect *effect)
{
unsigned char buf[] = {
0x01,
0x00, 0xff, 0x00, 0xff, 0x00,
0x00, 0x00, 0x00, 0x00, 0x03,
0xff, 0x27, 0x10, 0x00, 0x32,
0xff, 0x27, 0x10, 0x00, 0x32,
0xff, 0x27, 0x10, 0x00, 0x32,
0xff, 0x27, 0x10, 0x00, 0x32,
0x00, 0x00, 0x00, 0x00, 0x00
};
__u8 left;
__u8 right;
struct hid_device *hid = input_get_drvdata(dev);
if (effect->type != FF_RUMBLE)
return 0;
left = effect->u.rumble.strong_magnitude / 256;
right = effect->u.rumble.weak_magnitude ? 1 : 0;
buf[3] = right;
buf[5] = left;
return hid->hid_output_raw_report(hid, buf, sizeof(buf),
HID_OUTPUT_REPORT);
}
static int sony_init_ff(struct hid_device *hdev)
{
struct hid_input *hidinput = list_entry(hdev->inputs.next,
struct hid_input, list);
struct input_dev *input_dev = hidinput->input;
input_set_capability(input_dev, EV_FF, FF_RUMBLE);
return input_ff_create_memless(input_dev, NULL, sony_play_effect);
}
#else
static int sony_init_ff(struct hid_device *hdev)
{
return 0;
}
#endif
static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
@ -663,6 +711,10 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (ret < 0)
goto err_stop;
ret = sony_init_ff(hdev);
if (ret < 0)
goto err_stop;
return 0;
err_stop:
hid_hw_stop(hdev);