Merge branch 'for-3.15/hid-core-ll-transport-cleanup' into for-3.15/sony

This commit is contained in:
Jiri Kosina 2014-04-01 18:45:27 +02:00
commit b95dd3ca03
21 changed files with 1288 additions and 200 deletions

View File

@ -283,7 +283,8 @@ The available HID callbacks are:
int reqtype)
Same as ->request() but provides the report as raw buffer. This request shall
be synchronous. A transport driver must not use ->wait() to complete such
requests.
requests. This request is mandatory and hid core will reject the device if
it is missing.
- int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len)
Send raw output report via intr channel. Used by some HID device drivers

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@ -175,6 +175,15 @@ config HID_PRODIKEYS
multimedia keyboard, but will lack support for the musical keyboard
and some additional multimedia keys.
config HID_CP2112
tristate "Silicon Labs CP2112 HID USB-to-SMBus Bridge support"
depends on USB_HID && I2C && GPIOLIB
---help---
Support for Silicon Labs CP2112 HID USB to SMBus Master Bridge.
This is a HID device driver which registers as an i2c adapter
and gpiochip to expose these functions of the CP2112. The
customizable USB descriptor fields are exposed as sysfs attributes.
config HID_CYPRESS
tristate "Cypress mouse and barcode readers" if EXPERT
depends on HID

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@ -41,6 +41,7 @@ obj-$(CONFIG_HID_AUREAL) += hid-aureal.o
obj-$(CONFIG_HID_BELKIN) += hid-belkin.o
obj-$(CONFIG_HID_CHERRY) += hid-cherry.o
obj-$(CONFIG_HID_CHICONY) += hid-chicony.o
obj-$(CONFIG_HID_CP2112) += hid-cp2112.o
obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o
obj-$(CONFIG_HID_DRAGONRISE) += hid-dr.o
obj-$(CONFIG_HID_EMS_FF) += hid-emsff.o

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@ -1248,6 +1248,11 @@ void hid_output_report(struct hid_report *report, __u8 *data)
}
EXPORT_SYMBOL_GPL(hid_output_report);
static int hid_report_len(struct hid_report *report)
{
return ((report->size - 1) >> 3) + 1 + (report->id > 0) + 7;
}
/*
* Allocator for buffer that is going to be passed to hid_output_report()
*/
@ -1258,7 +1263,7 @@ u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
* of implement() working on 8 byte chunks
*/
int len = ((report->size - 1) >> 3) + 1 + (report->id > 0) + 7;
int len = hid_report_len(report);
return kmalloc(len, flags);
}
@ -1314,6 +1319,41 @@ static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
return report;
}
/*
* Implement a generic .request() callback, using .raw_request()
* DO NOT USE in hid drivers directly, but through hid_hw_request instead.
*/
void __hid_request(struct hid_device *hid, struct hid_report *report,
int reqtype)
{
char *buf;
int ret;
int len;
buf = hid_alloc_report_buf(report, GFP_KERNEL);
if (!buf)
return;
len = hid_report_len(report);
if (reqtype == HID_REQ_SET_REPORT)
hid_output_report(report, buf);
ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
report->type, reqtype);
if (ret < 0) {
dbg_hid("unable to complete request: %d\n", ret);
goto out;
}
if (reqtype == HID_REQ_GET_REPORT)
hid_input_report(hid, report->type, buf, ret, 0);
out:
kfree(buf);
}
EXPORT_SYMBOL_GPL(__hid_request);
int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
int interrupt)
{
@ -1692,6 +1732,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
@ -2428,6 +2469,14 @@ int hid_add_device(struct hid_device *hdev)
if (hid_ignore(hdev))
return -ENODEV;
/*
* Check for the mandatory transport channel.
*/
if (!hdev->ll_driver->raw_request) {
hid_err(hdev, "transport driver missing .raw_request()\n");
return -EINVAL;
}
/*
* Read the device report descriptor once and use as template
* for the driver-specific modifications.

1073
drivers/hid/hid-cp2112.c Normal file

File diff suppressed because it is too large Load Diff

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@ -455,12 +455,22 @@ static void mousevsc_hid_stop(struct hid_device *hid)
{
}
static int mousevsc_hid_raw_request(struct hid_device *hid,
unsigned char report_num,
__u8 *buf, size_t len,
unsigned char rtype,
int reqtype)
{
return 0;
}
static struct hid_ll_driver mousevsc_ll_driver = {
.parse = mousevsc_hid_parse,
.open = mousevsc_hid_open,
.close = mousevsc_hid_close,
.start = mousevsc_hid_start,
.stop = mousevsc_hid_stop,
.raw_request = mousevsc_hid_raw_request,
};
static struct hid_driver mousevsc_hid_driver;

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@ -240,6 +240,7 @@
#define USB_VENDOR_ID_CYGNAL 0x10c4
#define USB_DEVICE_ID_CYGNAL_RADIO_SI470X 0x818a
#define USB_DEVICE_ID_CYGNAL_CP2112 0xea90
#define USB_VENDOR_ID_CYPRESS 0x04b4
#define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001

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@ -1150,7 +1150,7 @@ static void hidinput_led_worker(struct work_struct *work)
led_work);
struct hid_field *field;
struct hid_report *report;
int len;
int len, ret;
__u8 *buf;
field = hidinput_get_led_field(hid);
@ -1184,7 +1184,10 @@ static void hidinput_led_worker(struct work_struct *work)
hid_output_report(report, buf);
/* synchronous output report */
hid_output_raw_report(hid, buf, len, HID_OUTPUT_REPORT);
ret = hid_hw_output_report(hid, buf, len);
if (ret == -ENOSYS)
hid_hw_raw_request(hid, report->id, buf, len, HID_OUTPUT_REPORT,
HID_REQ_SET_REPORT);
kfree(buf);
}
@ -1263,8 +1266,7 @@ static struct hid_input *hidinput_allocate(struct hid_device *hid)
}
input_set_drvdata(input_dev, hid);
if (hid->ll_driver->request || hid->hid_output_raw_report)
input_dev->event = hidinput_input_event;
input_dev->event = hidinput_input_event;
input_dev->open = hidinput_open;
input_dev->close = hidinput_close;
input_dev->setkeycode = hidinput_setkeycode;

View File

@ -692,8 +692,8 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
unsigned char buf[] = { 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
ret = hid_output_raw_report(hdev, buf, sizeof(buf),
HID_FEATURE_REPORT);
ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
if (ret >= 0) {
/* insert a little delay of 10 jiffies ~ 40ms */
@ -705,8 +705,8 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
buf[1] = 0xB2;
get_random_bytes(&buf[2], 2);
ret = hid_output_raw_report(hdev, buf, sizeof(buf),
HID_FEATURE_REPORT);
ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
}
}

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@ -193,9 +193,6 @@ static const u8 hid_reportid_size_map[NUMBER_OF_HID_REPORTS] = {
static struct hid_ll_driver logi_dj_ll_driver;
static int logi_dj_output_hidraw_report(struct hid_device *hid, u8 * buf,
size_t count,
unsigned char report_type);
static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev);
static void logi_dj_recv_destroy_djhid_device(struct dj_receiver_dev *djrcv_dev,
@ -262,7 +259,6 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev,
}
dj_hiddev->ll_driver = &logi_dj_ll_driver;
dj_hiddev->hid_output_raw_report = logi_dj_output_hidraw_report;
dj_hiddev->dev.parent = &djrcv_hdev->dev;
dj_hiddev->bus = BUS_USB;
@ -544,9 +540,10 @@ static void logi_dj_ll_close(struct hid_device *hid)
dbg_hid("%s:%s\n", __func__, hid->phys);
}
static int logi_dj_output_hidraw_report(struct hid_device *hid, u8 * buf,
size_t count,
unsigned char report_type)
static int logi_dj_ll_raw_request(struct hid_device *hid,
unsigned char reportnum, __u8 *buf,
size_t count, unsigned char report_type,
int reqtype)
{
struct dj_device *djdev = hid->driver_data;
struct dj_receiver_dev *djrcv_dev = djdev->dj_receiver_dev;
@ -567,15 +564,8 @@ static int logi_dj_output_hidraw_report(struct hid_device *hid, u8 * buf,
out_buf[1] = djdev->device_index;
memcpy(out_buf + 2, buf, count);
/*
* hid-generic calls us with hid_output_raw_report(), but the LEDs
* are set through a SET_REPORT command. It works for USB-HID devices
* because usbhid either calls a SET_REPORT or directly send the output
* report depending if the device presents an urbout.
* Let be simple, send a SET_REPORT request.
*/
ret = hid_hw_raw_request(djrcv_dev->hdev, out_buf[0], out_buf,
DJREPORT_SHORT_LENGTH, report_type, HID_REQ_SET_REPORT);
DJREPORT_SHORT_LENGTH, report_type, reqtype);
kfree(out_buf);
return ret;
@ -662,6 +652,7 @@ static struct hid_ll_driver logi_dj_ll_driver = {
.stop = logi_dj_ll_stop,
.open = logi_dj_ll_open,
.close = logi_dj_ll_close,
.raw_request = logi_dj_ll_raw_request,
};

View File

@ -538,8 +538,8 @@ static int magicmouse_probe(struct hid_device *hdev,
* but there seems to be no other way of switching the mode.
* Thus the super-ugly hacky success check below.
*/
ret = hid_output_raw_report(hdev, feature, sizeof(feature),
HID_FEATURE_REPORT);
ret = hid_hw_raw_request(hdev, feature[0], feature, sizeof(feature),
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
if (ret != -EIO && ret != sizeof(feature)) {
hid_err(hdev, "unable to request touch data (%d)\n", ret);
goto err_stop_hw;

View File

@ -29,7 +29,6 @@
#include <linux/hid.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/usb.h>
#include <linux/leds.h>
#include <linux/power_supply.h>
#include <linux/spinlock.h>
@ -1006,45 +1005,6 @@ static int sony_mapping(struct hid_device *hdev, struct hid_input *hi,
return 0;
}
/*
* 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()
* so we need to override that forcing HID Output Reports on the Control EP.
*
* There is also another issue about HID Output Reports via USB, the Sixaxis
* does not want the report_id as part of the data packet, so we have to
* discard buf[0] when sending the actual control message, even for numbered
* reports, humpf!
*/
static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf,
size_t count, unsigned char report_type)
{
struct usb_interface *intf = to_usb_interface(hid->dev.parent);
struct usb_device *dev = interface_to_usbdev(intf);
struct usb_host_interface *interface = intf->cur_altsetting;
int report_id = buf[0];
int ret;
if (report_type == HID_OUTPUT_REPORT) {
/* Don't send the Report ID */
buf++;
count--;
}
ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
HID_REQ_SET_REPORT,
USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
((report_type + 1) << 8) | report_id,
interface->desc.bInterfaceNumber, buf, count,
USB_CTRL_SET_TIMEOUT);
/* Count also the Report ID, in case of an Output report. */
if (ret > 0 && report_type == HID_OUTPUT_REPORT)
ret++;
return ret;
}
/*
* Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
* to "operational". Without this, the ps3 controller will not report any
@ -1072,8 +1032,8 @@ static int sixaxis_set_operational_usb(struct hid_device *hdev)
static int sixaxis_set_operational_bt(struct hid_device *hdev)
{
unsigned char buf[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 };
return hid_output_raw_report(hdev, buf, sizeof(buf),
HID_FEATURE_REPORT);
return hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
}
/*
@ -1305,11 +1265,8 @@ static void sixaxis_state_worker(struct work_struct *work)
buf[10] |= sc->led_state[2] << 3;
buf[10] |= sc->led_state[3] << 4;
if (sc->quirks & SIXAXIS_CONTROLLER_USB)
hid_output_raw_report(sc->hdev, buf, sizeof(buf), HID_OUTPUT_REPORT);
else
hid_hw_raw_request(sc->hdev, 0x01, buf, sizeof(buf),
HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
hid_hw_raw_request(sc->hdev, 0x01, buf, sizeof(buf), HID_OUTPUT_REPORT,
HID_REQ_SET_REPORT);
}
static void dualshock4_state_worker(struct work_struct *work)
@ -1659,7 +1616,18 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
}
if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
hdev->hid_output_raw_report = sixaxis_usb_output_raw_report;
/*
* The Sony Sixaxis does not handle HID Output Reports on the
* Interrupt EP like it could, so we need to force HID Output
* Reports to use HID_REQ_SET_REPORT on the Control EP.
*
* There is also another issue about HID Output Reports via USB,
* the Sixaxis does not want the report_id as part of the data
* packet, so we have to discard buf[0] when sending the actual
* control message, even for numbered reports, humpf!
*/
hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID;
ret = sixaxis_set_operational_usb(hdev);
sc->worker_initialized = 1;
INIT_WORK(&sc->state_worker, sixaxis_state_worker);

View File

@ -48,8 +48,8 @@ static int blink1_send_command(struct blink1_data *data,
buf[0], buf[1], buf[2], buf[3], buf[4],
buf[5], buf[6], buf[7], buf[8]);
ret = hid_output_raw_report(data->hdev, buf, BLINK1_CMD_SIZE,
HID_FEATURE_REPORT);
ret = hid_hw_raw_request(data->hdev, buf[0], buf, BLINK1_CMD_SIZE,
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
return ret < 0 ? ret : 0;
}

View File

@ -128,7 +128,8 @@ static void wacom_set_image(struct hid_device *hdev, const char *image,
rep_data[0] = WAC_CMD_ICON_START_STOP;
rep_data[1] = 0;
ret = hid_output_raw_report(hdev, rep_data, 2, HID_FEATURE_REPORT);
ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2,
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
if (ret < 0)
goto err;
@ -142,14 +143,15 @@ static void wacom_set_image(struct hid_device *hdev, const char *image,
rep_data[j + 3] = p[(i << 6) + j];
rep_data[2] = i;
ret = hid_output_raw_report(hdev, rep_data, 67,
HID_FEATURE_REPORT);
ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 67,
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
}
rep_data[0] = WAC_CMD_ICON_START_STOP;
rep_data[1] = 0;
ret = hid_output_raw_report(hdev, rep_data, 2, HID_FEATURE_REPORT);
ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2,
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
err:
return;
@ -181,7 +183,8 @@ static void wacom_leds_set_brightness(struct led_classdev *led_dev,
buf[3] = value;
/* use fixed brightness for OLEDs */
buf[4] = 0x08;
hid_output_raw_report(hdev, buf, 9, HID_FEATURE_REPORT);
hid_hw_raw_request(hdev, buf[0], buf, 9, HID_FEATURE_REPORT,
HID_REQ_SET_REPORT);
kfree(buf);
}
@ -337,8 +340,8 @@ static void wacom_set_features(struct hid_device *hdev, u8 speed)
rep_data[0] = 0x03 ; rep_data[1] = 0x00;
limit = 3;
do {
ret = hid_output_raw_report(hdev, rep_data, 2,
HID_FEATURE_REPORT);
ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2,
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
} while (ret < 0 && limit-- > 0);
if (ret >= 0) {
@ -350,8 +353,9 @@ static void wacom_set_features(struct hid_device *hdev, u8 speed)
rep_data[1] = 0x00;
limit = 3;
do {
ret = hid_output_raw_report(hdev,
rep_data, 2, HID_FEATURE_REPORT);
ret = hid_hw_raw_request(hdev, rep_data[0],
rep_data, 2, HID_FEATURE_REPORT,
HID_REQ_SET_REPORT);
} while (ret < 0 && limit-- > 0);
if (ret >= 0) {
@ -376,8 +380,8 @@ static void wacom_set_features(struct hid_device *hdev, u8 speed)
rep_data[0] = 0x03;
rep_data[1] = wdata->features;
ret = hid_output_raw_report(hdev, rep_data, 2,
HID_FEATURE_REPORT);
ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2,
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
if (ret >= 0)
wdata->high_speed = speed;
break;

View File

@ -28,14 +28,14 @@ static int wiimote_hid_send(struct hid_device *hdev, __u8 *buffer,
__u8 *buf;
int ret;
if (!hdev->hid_output_raw_report)
if (!hdev->ll_driver->output_report)
return -ENODEV;
buf = kmemdup(buffer, count, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = hid_output_raw_report(hdev, buf, count, HID_OUTPUT_REPORT);
ret = hid_hw_output_report(hdev, buf, count);
kfree(buf);
return ret;

View File

@ -123,10 +123,6 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
dev = hidraw_table[minor]->hid;
if (!dev->hid_output_raw_report) {
ret = -ENODEV;
goto out;
}
if (count > HID_MAX_BUFFER_SIZE) {
hid_warn(dev, "pid %d passed too large report\n",
@ -153,7 +149,21 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
goto out_free;
}
ret = hid_output_raw_report(dev, buf, count, report_type);
if ((report_type == HID_OUTPUT_REPORT) &&
!(dev->quirks & HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP)) {
ret = hid_hw_output_report(dev, buf, count);
/*
* compatibility with old implementation of USB-HID and I2C-HID:
* if the device does not support receiving output reports,
* on an interrupt endpoint, fallback to SET_REPORT HID command.
*/
if (ret != -ENOSYS)
goto out_free;
}
ret = hid_hw_raw_request(dev, buf[0], buf, count, report_type,
HID_REQ_SET_REPORT);
out_free:
kfree(buf);
out:

View File

@ -256,18 +256,27 @@ static int i2c_hid_get_report(struct i2c_client *client, u8 reportType,
return 0;
}
static int i2c_hid_set_report(struct i2c_client *client, u8 reportType,
u8 reportID, unsigned char *buf, size_t data_len)
/**
* i2c_hid_set_or_send_report: forward an incoming report to the device
* @client: the i2c_client of the device
* @reportType: 0x03 for HID_FEATURE_REPORT ; 0x02 for HID_OUTPUT_REPORT
* @reportID: the report ID
* @buf: the actual data to transfer, without the report ID
* @len: size of buf
* @use_data: true: use SET_REPORT HID command, false: send plain OUTPUT report
*/
static int i2c_hid_set_or_send_report(struct i2c_client *client, u8 reportType,
u8 reportID, unsigned char *buf, size_t data_len, bool use_data)
{
struct i2c_hid *ihid = i2c_get_clientdata(client);
u8 *args = ihid->argsbuf;
const struct i2c_hid_cmd * hidcmd = &hid_set_report_cmd;
const struct i2c_hid_cmd *hidcmd;
int ret;
u16 dataRegister = le16_to_cpu(ihid->hdesc.wDataRegister);
u16 outputRegister = le16_to_cpu(ihid->hdesc.wOutputRegister);
u16 maxOutputLength = le16_to_cpu(ihid->hdesc.wMaxOutputLength);
/* hidraw already checked that data_len < HID_MAX_BUFFER_SIZE */
/* hid_hw_* already checked that data_len < HID_MAX_BUFFER_SIZE */
u16 size = 2 /* size */ +
(reportID ? 1 : 0) /* reportID */ +
data_len /* buf */;
@ -278,6 +287,9 @@ static int i2c_hid_set_report(struct i2c_client *client, u8 reportType,
i2c_hid_dbg(ihid, "%s\n", __func__);
if (!use_data && maxOutputLength == 0)
return -ENOSYS;
if (reportID >= 0x0F) {
args[index++] = reportID;
reportID = 0x0F;
@ -287,9 +299,10 @@ static int i2c_hid_set_report(struct i2c_client *client, u8 reportType,
* use the data register for feature reports or if the device does not
* support the output register
*/
if (reportType == 0x03 || maxOutputLength == 0) {
if (use_data) {
args[index++] = dataRegister & 0xFF;
args[index++] = dataRegister >> 8;
hidcmd = &hid_set_report_cmd;
} else {
args[index++] = outputRegister & 0xFF;
args[index++] = outputRegister >> 8;
@ -550,7 +563,7 @@ static int i2c_hid_get_raw_report(struct hid_device *hid,
}
static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf,
size_t count, unsigned char report_type)
size_t count, unsigned char report_type, bool use_data)
{
struct i2c_client *client = hid->driver_data;
int report_id = buf[0];
@ -564,9 +577,9 @@ static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf,
count--;
}
ret = i2c_hid_set_report(client,
ret = i2c_hid_set_or_send_report(client,
report_type == HID_FEATURE_REPORT ? 0x03 : 0x02,
report_id, buf, count);
report_id, buf, count, use_data);
if (report_id && ret >= 0)
ret++; /* add report_id to the number of transfered bytes */
@ -574,34 +587,27 @@ static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf,
return ret;
}
static void i2c_hid_request(struct hid_device *hid, struct hid_report *rep,
int reqtype)
static int i2c_hid_output_report(struct hid_device *hid, __u8 *buf,
size_t count)
{
struct i2c_client *client = hid->driver_data;
char *buf;
int ret;
int len = i2c_hid_get_report_length(rep) - 2;
buf = kzalloc(len, GFP_KERNEL);
if (!buf)
return;
return i2c_hid_output_raw_report(hid, buf, count, HID_OUTPUT_REPORT,
false);
}
static int i2c_hid_raw_request(struct hid_device *hid, unsigned char reportnum,
__u8 *buf, size_t len, unsigned char rtype,
int reqtype)
{
switch (reqtype) {
case HID_REQ_GET_REPORT:
ret = i2c_hid_get_raw_report(hid, rep->id, buf, len, rep->type);
if (ret < 0)
dev_err(&client->dev, "%s: unable to get report: %d\n",
__func__, ret);
else
hid_input_report(hid, rep->type, buf, ret, 0);
break;
return i2c_hid_get_raw_report(hid, reportnum, buf, len, rtype);
case HID_REQ_SET_REPORT:
hid_output_report(rep, buf);
i2c_hid_output_raw_report(hid, buf, len, rep->type);
break;
if (buf[0] != reportnum)
return -EINVAL;
return i2c_hid_output_raw_report(hid, buf, len, rtype, true);
default:
return -EIO;
}
kfree(buf);
}
static int i2c_hid_parse(struct hid_device *hid)
@ -760,7 +766,8 @@ static struct hid_ll_driver i2c_hid_ll_driver = {
.open = i2c_hid_open,
.close = i2c_hid_close,
.power = i2c_hid_power,
.request = i2c_hid_request,
.output_report = i2c_hid_output_report,
.raw_request = i2c_hid_raw_request,
};
static int i2c_hid_init_irq(struct i2c_client *client)
@ -1005,7 +1012,6 @@ static int i2c_hid_probe(struct i2c_client *client,
hid->driver_data = client;
hid->ll_driver = &i2c_hid_ll_driver;
hid->hid_output_raw_report = i2c_hid_output_raw_report;
hid->dev.parent = &client->dev;
ACPI_COMPANION_SET(&hid->dev, ACPI_COMPANION(&client->dev));
hid->bus = BUS_I2C;

View File

@ -247,27 +247,22 @@ static int uhid_hid_output_raw(struct hid_device *hid, __u8 *buf, size_t count,
static int uhid_hid_output_report(struct hid_device *hid, __u8 *buf,
size_t count)
{
struct uhid_device *uhid = hid->driver_data;
unsigned long flags;
struct uhid_event *ev;
return uhid_hid_output_raw(hid, buf, count, HID_OUTPUT_REPORT);
}
if (count < 1 || count > UHID_DATA_MAX)
return -EINVAL;
ev = kzalloc(sizeof(*ev), GFP_KERNEL);
if (!ev)
return -ENOMEM;
ev->type = UHID_OUTPUT;
ev->u.output.size = count;
ev->u.output.rtype = UHID_OUTPUT_REPORT;
memcpy(ev->u.output.data, buf, count);
spin_lock_irqsave(&uhid->qlock, flags);
uhid_queue(uhid, ev);
spin_unlock_irqrestore(&uhid->qlock, flags);
return count;
static int uhid_raw_request(struct hid_device *hid, unsigned char reportnum,
__u8 *buf, size_t len, unsigned char rtype,
int reqtype)
{
switch (reqtype) {
case HID_REQ_GET_REPORT:
return uhid_hid_get_raw(hid, reportnum, buf, len, rtype);
case HID_REQ_SET_REPORT:
/* TODO: implement proper SET_REPORT functionality */
return -ENOSYS;
default:
return -EIO;
}
}
static struct hid_ll_driver uhid_hid_driver = {
@ -277,6 +272,7 @@ static struct hid_ll_driver uhid_hid_driver = {
.close = uhid_hid_close,
.parse = uhid_hid_parse,
.output_report = uhid_hid_output_report,
.raw_request = uhid_raw_request,
};
#ifdef CONFIG_COMPAT
@ -404,7 +400,6 @@ static int uhid_dev_create(struct uhid_device *uhid,
hid->uniq[63] = 0;
hid->ll_driver = &uhid_hid_driver;
hid->hid_output_raw_report = uhid_hid_output_raw;
hid->bus = ev->u.create.bus;
hid->vendor = ev->u.create.vendor;
hid->product = ev->u.create.product;

View File

@ -894,7 +894,12 @@ static int usbhid_set_raw_report(struct hid_device *hid, unsigned int reportnum,
int ret, skipped_report_id = 0;
/* Byte 0 is the report number. Report data starts at byte 1.*/
buf[0] = reportnum;
if ((rtype == HID_OUTPUT_REPORT) &&
(hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORT_ID))
buf[0] = 0;
else
buf[0] = reportnum;
if (buf[0] == 0x0) {
/* Don't send the Report ID */
buf++;
@ -922,7 +927,7 @@ static int usbhid_output_report(struct hid_device *hid, __u8 *buf, size_t count)
int actual_length, skipped_report_id = 0, ret;
if (!usbhid->urbout)
return -EIO;
return -ENOSYS;
if (buf[0] == 0x0) {
/* Don't send the Report ID */
@ -945,17 +950,6 @@ static int usbhid_output_report(struct hid_device *hid, __u8 *buf, size_t count)
return ret;
}
static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf,
size_t count, unsigned char report_type)
{
struct usbhid_device *usbhid = hid->driver_data;
if (usbhid->urbout && report_type != HID_FEATURE_REPORT)
return usbhid_output_report(hid, buf, count);
return usbhid_set_raw_report(hid, buf[0], buf, count, report_type);
}
static void usbhid_restart_queues(struct usbhid_device *usbhid)
{
if (usbhid->urbout && !test_bit(HID_OUT_RUNNING, &usbhid->iofl))
@ -1289,7 +1283,6 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
usb_set_intfdata(intf, hid);
hid->ll_driver = &usb_hid_driver;
hid->hid_output_raw_report = usbhid_output_raw_report;
hid->ff_init = hid_pidff_init;
#ifdef CONFIG_USB_HIDDEV
hid->hiddev_connect = hiddev_connect;

View File

@ -287,6 +287,8 @@ struct hid_item {
#define HID_QUIRK_NO_EMPTY_INPUT 0x00000100
#define HID_QUIRK_NO_INIT_INPUT_REPORTS 0x00000200
#define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000
#define HID_QUIRK_SKIP_OUTPUT_REPORT_ID 0x00020000
#define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP 0x00040000
#define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000
#define HID_QUIRK_NO_INIT_REPORTS 0x20000000
#define HID_QUIRK_NO_IGNORE 0x40000000
@ -508,9 +510,6 @@ struct hid_device { /* device report descriptor */
struct hid_usage *, __s32);
void (*hiddev_report_event) (struct hid_device *, struct hid_report *);
/* handler for raw output data, used by hidraw */
int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t, unsigned char);
/* debugging support via debugfs */
unsigned short debug;
struct dentry *debug_dir;
@ -753,6 +752,7 @@ struct hid_field *hidinput_get_led_field(struct hid_device *hid);
unsigned int hidinput_count_leds(struct hid_device *hid);
__s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code);
void hid_output_report(struct hid_report *report, __u8 *data);
void __hid_request(struct hid_device *hid, struct hid_report *rep, int reqtype);
u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags);
struct hid_device *hid_allocate_device(void);
struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id);
@ -965,7 +965,9 @@ static inline void hid_hw_request(struct hid_device *hdev,
struct hid_report *report, int reqtype)
{
if (hdev->ll_driver->request)
hdev->ll_driver->request(hdev, report, reqtype);
return hdev->ll_driver->request(hdev, report, reqtype);
__hid_request(hdev, report, reqtype);
}
/**
@ -986,11 +988,11 @@ static inline int hid_hw_raw_request(struct hid_device *hdev,
unsigned char reportnum, __u8 *buf,
size_t len, unsigned char rtype, int reqtype)
{
if (hdev->ll_driver->raw_request)
return hdev->ll_driver->raw_request(hdev, reportnum, buf, len,
rtype, reqtype);
if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf)
return -EINVAL;
return -ENOSYS;
return hdev->ll_driver->raw_request(hdev, reportnum, buf, len,
rtype, reqtype);
}
/**
@ -1005,28 +1007,15 @@ static inline int hid_hw_raw_request(struct hid_device *hdev,
static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf,
size_t len)
{
if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf)
return -EINVAL;
if (hdev->ll_driver->output_report)
return hdev->ll_driver->output_report(hdev, buf, len);
return -ENOSYS;
}
/**
* hid_output_raw_report - send an output or a feature report to the device
*
* @hdev: hid device
* @buf: raw data to transfer
* @len: length of buf
* @report_type: HID_FEATURE_REPORT or HID_OUTPUT_REPORT
*
* @return: count of data transfered, negative if error
*/
static inline int hid_output_raw_report(struct hid_device *hdev, __u8 *buf,
size_t len, unsigned char report_type)
{
return hdev->hid_output_raw_report(hdev, buf, len, report_type);
}
/**
* hid_hw_idle - send idle request to device
*

View File

@ -382,18 +382,6 @@ static int hidp_output_report(struct hid_device *hid, __u8 *data, size_t count)
data, count);
}
static int hidp_output_raw_report(struct hid_device *hid, unsigned char *data,
size_t count, unsigned char report_type)
{
if (report_type == HID_OUTPUT_REPORT) {
return hidp_output_report(hid, data, count);
} else if (report_type != HID_FEATURE_REPORT) {
return -EINVAL;
}
return hidp_set_raw_report(hid, data[0], data, count, report_type);
}
static int hidp_raw_request(struct hid_device *hid, unsigned char reportnum,
__u8 *buf, size_t len, unsigned char rtype,
int reqtype)
@ -776,8 +764,6 @@ static int hidp_setup_hid(struct hidp_session *session,
hid->dev.parent = &session->conn->hcon->dev;
hid->ll_driver = &hidp_hid_driver;
hid->hid_output_raw_report = hidp_output_raw_report;
/* True if device is blacklisted in drivers/hid/hid-core.c */
if (hid_ignore(hid)) {
hid_destroy_device(session->hid);