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// SPDX-License-Identifier: GPL-2.0-or-later
#include <linux/usb.h>
#include <linux/hid.h>
#include "../hid-tmff2.h"
#define TMTSPC_MAX_EFFECTS 16
#define TMTSPC_BUFFER_LENGTH 63
static const u8 setup_0[64] = { 0x42, 0x01 };
static const u8 setup_1[64] = { 0x0a, 0x04, 0x90, 0x03 };
static const u8 setup_2[64] = { 0x0a, 0x04, 0x00, 0x0c };
static const u8 setup_3[64] = { 0x0a, 0x04, 0x12, 0x10 };
static const u8 setup_4[64] = { 0x0a, 0x04, 0x00, 0x06 };
static const u8 setup_5[64] = { 0x0a, 0x04, 0x00, 0x0e };
static const u8 setup_6[64] = { 0x0a, 0x04, 0x00, 0x0e, 0x01 };
static const u8 *const setup_arr[] = { setup_0, setup_1, setup_2, setup_3, setup_4, setup_5, setup_6 };
static const unsigned int setup_arr_sizes[] = {
ARRAY_SIZE(setup_0),
ARRAY_SIZE(setup_1),
ARRAY_SIZE(setup_2),
ARRAY_SIZE(setup_3),
ARRAY_SIZE(setup_4),
ARRAY_SIZE(setup_5),
ARRAY_SIZE(setup_6)
};
static const unsigned long tspc_params =
PARAM_SPRING_LEVEL
| PARAM_DAMPER_LEVEL
| PARAM_FRICTION_LEVEL
| PARAM_ALT_MODE
| PARAM_RANGE
| PARAM_GAIN
;
static const signed short tspc_effects[] = {
FF_CONSTANT,
FF_RAMP,
FF_SPRING,
FF_DAMPER,
FF_FRICTION,
FF_INERTIA,
FF_PERIODIC,
FF_SINE,
FF_TRIANGLE,
FF_SQUARE,
FF_SAW_UP,
FF_SAW_DOWN,
FF_AUTOCENTER,
FF_GAIN,
-1
};
/* TODO: sort through this stuff */
static u8 tspc_pc_rdesc_fixed[] = {
0x05, 0x01, /* Usage page (Generic Desktop) */
0x09, 0x04, /* Usage (Joystick) */
0xa1, 0x01, /* Collection (Application) */
0x09, 0x01, /* Usage (Pointer) */
0xa1, 0x00, /* Collection (Physical) */
0x85, 0x07, /* Report ID (7) */
0x09, 0x30, /* Usage (X) */
0x15, 0x00, /* Logical minimum (0) */
0x27, 0xff, 0xff, 0x00, 0x00, /* Logical maximum (65535) */
0x35, 0x00, /* Physical minimum (0) */
0x47, 0xff, 0xff, 0x00, 0x00, /* Physical maximum (65535) */
0x75, 0x10, /* Report size (16) */
0x95, 0x01, /* Report count (1) */
0x81, 0x02, /* Input (Variable, Absolute) */
0x09, 0x35, /* Usage (Rz) (Brake) */
0x26, 0xff, 0x03, /* Logical maximum (1023) */
0x46, 0xff, 0x03, /* Physical maximum (1023) */
0x81, 0x02, /* Input (Variable, Absolute) */
0x09, 0x32, /* Usage (Z) (Gas) */
0x81, 0x02, /* Input (Variable, Absolute) */
0x09, 0x31, /* Usage (Y) (Clutch) */
0x81, 0x02, /* Input (Variable, Absolute) */
0x81, 0x03, /* Input (Variable, Absolute, Constant) */
0x05, 0x09, /* Usage page (Button) */
0x19, 0x01, /* Usage minimum (1) */
0x29, 0x0d, /* Usage maximum (13) */
0x25, 0x01, /* Logical maximum (1) */
0x45, 0x01, /* Physical maximum (1) */
0x75, 0x01, /* Report size (1) */
0x95, 0x0d, /* Report count (13) */
0x81, 0x02, /* Input (Variable, Absolute) */
0x75, 0x0b, /* Report size (13) */
0x95, 0x01, /* Report count (1) */
0x81, 0x03, /* Usage (Variable, Absolute, Constant) */
0x05, 0x01, /* Usage page (Generic Desktop) */
0x09, 0x39, /* Usage (Hat Switch) */
0x25, 0x07, /* Logical maximum (7) */
0x46, 0x3b, 0x01, /* Physical maximum (315) */
0x55, 0x00, /* Unit exponent (0) */
0x65, 0x14, /* Unit (Eng Rot, Angular Pos) */
0x75, 0x04, /* Report size (4) */
0x81, 0x42, /* Input (Variable, Absolute, NullState) */
0x65, 0x00, /* Unit (None) */
0x81, 0x03, /* Input (Variable, Absolute, Constant) */
0x85, 0x60, /* Report ID (96), prev 10 */
0x06, 0x00, 0xff, /* Usage page (Vendor 1) */
0x09, 0x60, /* Usage (96), prev 10 */
0x75, 0x08, /* Report size (8) */
0x95, 0x3f, /* Report count (63) */
0x26, 0xff, 0x7f, /* Logical maximum (32767) */
0x15, 0x00, /* Logical minimum (0) */
0x46, 0xff, 0x7f, /* Physical maximum (32767) */
0x36, 0x00, 0x80, /* Physical minimum (-32768) */
0x91, 0x02, /* Output (Variable, Absolute) */
0x85, 0x02, /* Report ID (2) */
0x09, 0x02, /* Usage (2) */
0x81, 0x02, /* Input (Variable, Absolute) */
0x09, 0x14, /* Usage (20) */
0x85, 0x14, /* Report ID (20) */
0x81, 0x02, /* Input (Variable, Absolute) */
0xc0, /* End collection */
0xc0, /* End collection */
};
static int tspc_interrupts(struct t300rs_device_entry *tspc)
{
u8 *send_buf = kmalloc(256, GFP_KERNEL);
struct usb_interface *usbif = to_usb_interface(tspc->hdev->dev.parent);
struct usb_host_endpoint *ep;
int ret, trans, b_ep, i;
if (!send_buf) {
hid_err(tspc->hdev, "failed allocating send buffer\n");
return -ENOMEM;
}
ep = &usbif->cur_altsetting->endpoint[1];
b_ep = ep->desc.bEndpointAddress;
for (i = 0; i < ARRAY_SIZE(setup_arr); ++i) {
memcpy(send_buf, setup_arr[i], setup_arr_sizes[i]);
ret = usb_interrupt_msg(tspc->usbdev,
usb_sndintpipe(tspc->usbdev, b_ep),
send_buf, setup_arr_sizes[i],
&trans,
USB_CTRL_SET_TIMEOUT);
if (ret) {
hid_err(tspc->hdev, "setup data couldn't be sent\n");
goto err;
}
}
err:
kfree(send_buf);
return ret;
}
static int tspc_wheel_destroy(void *data)
{
struct t300rs_device_entry *t300rs = data;
if (!t300rs)
return -ENODEV;
kfree(t300rs->send_buffer);
kfree(t300rs);
return 0;
}
static int tspc_set_range(void *data, uint16_t value)
{
struct t300rs_device_entry *tspc = data;
if (value < 140) {
hid_info(tspc->hdev, "value %i too small, clamping to 140\n", value);
value = 140;
}
if (value > 900) {
hid_info(tspc->hdev, "value %i too large, clamping to 1080\n", value);
value = 900;
}
return t300rs_set_range(data, value);
}
static int tspc_send_open(struct t300rs_device_entry *tspc)
{
int r1, r2;
tspc->send_buffer[0] = 0x01;
tspc->send_buffer[1] = 0x04;
if ((r1 = t300rs_send_int(tspc)))
return r1;
tspc->send_buffer[0] = 0x01;
tspc->send_buffer[1] = 0x05;
if ((r2 = t300rs_send_int(tspc)))
return r2;
return 0;
}
static int tspc_open(void *data, int open_mode)
{
struct t300rs_device_entry *tspc = data;
if (!tspc)
return -ENODEV;
if (open_mode)
tspc_send_open(tspc);
return tspc->open(tspc->input_dev);
}
static int tspc_send_close(struct t300rs_device_entry *tspc)
{
int r1, r2;
tspc->send_buffer[0] = 0x01;
tspc->send_buffer[1] = 0x05;
if ((r1 = t300rs_send_int(tspc)))
return r1;
tspc->send_buffer[0] = 0x01;
tspc->send_buffer[1] = 0x00;
if ((r2 = t300rs_send_int(tspc)))
return r2;
return 0;
}
static int tspc_close(void *data, int open_mode)
{
struct t300rs_device_entry *tspc = data;
if (!tspc)
return -ENODEV;
if (open_mode)
tspc_send_close(tspc);
tspc->close(tspc->input_dev);
return 0;
}
static int tspc_wheel_init(struct tmff2_device_entry *tmff2, int open_mode)
{
struct t300rs_device_entry *tspc = kzalloc(sizeof(struct t300rs_device_entry),
GFP_KERNEL);
struct list_head *report_list;
int ret;
if (!tspc) {
ret = -ENOMEM;
goto tspc_err;
}
tspc->hdev = tmff2->hdev;
tspc->input_dev = tmff2->input_dev;
tspc->usbdev = to_usb_device(tmff2->hdev->dev.parent->parent);
tspc->buffer_length = TMTSPC_BUFFER_LENGTH;
tspc->send_buffer = kzalloc(tspc->buffer_length, GFP_KERNEL);
if (!tspc->send_buffer) {
ret = -ENOMEM;
goto send_err;
}
report_list = &tspc->hdev->report_enum[HID_OUTPUT_REPORT].report_list;
tspc->report = list_entry(report_list->next, struct hid_report, list);
tspc->ff_field = tspc->report->field[0];
tspc->open = tspc->input_dev->open;
tspc->close = tspc->input_dev->close;
if ((ret = tspc_interrupts(tspc)))
goto interrupt_err;
/* everything went OK */
tmff2->data = tspc;
tmff2->params = tspc_params;
tmff2->max_effects = TMTSPC_MAX_EFFECTS;
memcpy(tmff2->supported_effects, tspc_effects, sizeof(tspc_effects));
if (!open_mode)
tspc_send_open(tspc);
hid_info(tspc->hdev, "force feedback for TS-XW\n");
return 0;
interrupt_err:
send_err:
kfree(tspc);
tspc_err:
hid_err(tmff2->hdev, "failed initializing TS-XW\n");
return ret;
}
static __u8 *tspc_wheel_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
rdesc = tspc_pc_rdesc_fixed;
*rsize = sizeof(tspc_pc_rdesc_fixed);
return rdesc;
}
static ssize_t tspc_alt_mode_store(void *data, const char *buf, size_t count)
{
struct t300rs_device_entry *tspc = data;
if (!tspc)
return -ENODEV;
/* blindly trusting that this works for now */
usb_control_msg(tspc->usbdev,
usb_sndctrlpipe(tspc->usbdev, 0),
83, 0x41, 0xb, 0, 0, 0,
USB_CTRL_SET_TIMEOUT
);
return count;
}
int tspc_populate_api(struct tmff2_device_entry *tmff2)
{
tmff2->play_effect = t300rs_play_effect;
tmff2->upload_effect = t300rs_upload_effect;
tmff2->update_effect = t300rs_update_effect;
tmff2->stop_effect = t300rs_stop_effect;
tmff2->set_gain = t300rs_set_gain;
tmff2->set_autocenter = t300rs_set_autocenter;
/* TS-PC has 900 degree range, unlike T300RS 1080 */
tmff2->set_range = tspc_set_range;
tmff2->wheel_fixup = tspc_wheel_fixup;
tmff2->open = tspc_open;
tmff2->close = tspc_close;
tmff2->alt_mode_store = tspc_alt_mode_store;
tmff2->wheel_init = tspc_wheel_init;
tmff2->wheel_destroy = tspc_wheel_destroy;
return 0;
}
|
