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kernel-49/drivers/media/usb/gspca/konica.c
Greg Kroah-Hartman b73b4446ac Merge 4.9.195 into android-4.9-q
Changes in 4.9.195
	Revert "Bluetooth: validate BLE connection interval updates"
	IB/core: Add an unbound WQ type to the new CQ API
	HID: prodikeys: Fix general protection fault during probe
	HID: logitech: Fix general protection fault caused by Logitech driver
	HID: hidraw: Fix invalid read in hidraw_ioctl
	mtd: cfi_cmdset_0002: Use chip_good() to retry in do_write_oneword()
	crypto: talitos - fix missing break in switch statement
	media: tvp5150: fix switch exit in set control handler
	ASoC: fsl: Fix of-node refcount unbalance in fsl_ssi_probe_from_dt()
	ALSA: hda - Add laptop imic fixup for ASUS M9V laptop
	objtool: Clobber user CFLAGS variable
	mac80211: Print text for disassociation reason
	mac80211: handle deauthentication/disassociation from TDLS peer
	power: supply: sysfs: ratelimit property read error message
	locking/lockdep: Add debug_locks check in __lock_downgrade()
	irqchip/gic-v3-its: Fix LPI release for Multi-MSI devices
	f2fs: check all the data segments against all node ones
	Revert "f2fs: avoid out-of-range memory access"
	f2fs: fix to do sanity check on segment bitmap of LFS curseg
	drm: Flush output polling on shutdown
	xfs: don't crash on null attr fork xfs_bmapi_read
	Bluetooth: btrtl: Additional Realtek 8822CE Bluetooth devices
	arcnet: provide a buffer big enough to actually receive packets
	cdc_ncm: fix divide-by-zero caused by invalid wMaxPacketSize
	macsec: drop skb sk before calling gro_cells_receive
	net/phy: fix DP83865 10 Mbps HDX loopback disable function
	net: qrtr: Stop rx_worker before freeing node
	openvswitch: change type of UPCALL_PID attribute to NLA_UNSPEC
	ppp: Fix memory leak in ppp_write
	sch_netem: fix a divide by zero in tabledist()
	skge: fix checksum byte order
	usbnet: ignore endpoints with invalid wMaxPacketSize
	usbnet: sanity checking of packet sizes and device mtu
	mISDN: enforce CAP_NET_RAW for raw sockets
	appletalk: enforce CAP_NET_RAW for raw sockets
	ax25: enforce CAP_NET_RAW for raw sockets
	ieee802154: enforce CAP_NET_RAW for raw sockets
	nfc: enforce CAP_NET_RAW for raw sockets
	ALSA: hda: Flush interrupts on disabling
	regulator: lm363x: Fix off-by-one n_voltages for lm3632 ldo_vpos/ldo_vneg
	ASoC: sgtl5000: Fix charge pump source assignment
	dmaengine: bcm2835: Print error in case setting DMA mask fails
	leds: leds-lp5562 allow firmware files up to the maximum length
	media: dib0700: fix link error for dibx000_i2c_set_speed
	media: exynos4-is: fix leaked of_node references
	media: hdpvr: Add device num check and handling
	sched/fair: Fix imbalance due to CPU affinity
	sched/core: Fix CPU controller for !RT_GROUP_SCHED
	x86/reboot: Always use NMI fallback when shutdown via reboot vector IPI fails
	x86/apic: Soft disable APIC before initializing it
	ALSA: hda - Show the fatal CORB/RIRB error more clearly
	ALSA: i2c: ak4xxx-adda: Fix a possible null pointer dereference in build_adc_controls()
	media: iguanair: add sanity checks
	base: soc: Export soc_device_register/unregister APIs
	ALSA: usb-audio: Skip bSynchAddress endpoint check if it is invalid
	ia64:unwind: fix double free for mod->arch.init_unw_table
	EDAC/altera: Use the proper type for the IRQ status bits
	md: don't call spare_active in md_reap_sync_thread if all member devices can't work
	md: don't set In_sync if array is frozen
	efi: cper: print AER info of PCIe fatal error
	media: gspca: zero usb_buf on error
	dmaengine: iop-adma: use correct printk format strings
	media: omap3isp: Don't set streaming state on random subdevs
	net: lpc-enet: fix printk format strings
	ARM: dts: imx7d: cl-som-imx7: make ethernet work again
	media: radio/si470x: kill urb on error
	media: hdpvr: add terminating 0 at end of string
	media: dvb-core: fix a memory leak bug
	PM / devfreq: passive: Use non-devm notifiers
	PM / devfreq: exynos-bus: Correct clock enable sequence
	media: saa7146: add cleanup in hexium_attach()
	media: cpia2_usb: fix memory leaks
	media: saa7134: fix terminology around saa7134_i2c_eeprom_md7134_gate()
	media: ov9650: add a sanity check
	ACPI / CPPC: do not require the _PSD method
	arm64: kpti: ensure patched kernel text is fetched from PoU
	nvmet: fix data units read and written counters in SMART log
	iommu/amd: Silence warnings under memory pressure
	libtraceevent: Change users plugin directory
	ARM: dts: exynos: Mark LDO10 as always-on on Peach Pit/Pi Chromebooks
	ACPI: custom_method: fix memory leaks
	ACPI / PCI: fix acpi_pci_irq_enable() memory leak
	hwmon: (acpi_power_meter) Change log level for 'unsafe software power cap'
	md/raid1: fail run raid1 array when active disk less than one
	dmaengine: ti: edma: Do not reset reserved paRAM slots
	kprobes: Prohibit probing on BUG() and WARN() address
	s390/crypto: xts-aes-s390 fix extra run-time crypto self tests finding
	ASoC: dmaengine: Make the pcm->name equal to pcm->id if the name is not set
	mmc: sdhci: Fix incorrect switch to HS mode
	libertas: Add missing sentinel at end of if_usb.c fw_table
	e1000e: add workaround for possible stalled packet
	drm/amd/powerplay/smu7: enforce minimal VBITimeout (v2)
	media: ttusb-dec: Fix info-leak in ttusb_dec_send_command()
	ALSA: hda/realtek - Blacklist PC beep for Lenovo ThinkCentre M73/93
	btrfs: extent-tree: Make sure we only allocate extents from block groups with the same type
	media: omap3isp: Set device on omap3isp subdevs
	PM / devfreq: passive: fix compiler warning
	ALSA: firewire-tascam: handle error code when getting current source of clock
	ALSA: firewire-tascam: check intermediate state of clock status and retry
	IB/hfi1: Define variables as unsigned long to fix KASAN warning
	printk: remove games with previous record flags
	printk: Do not lose last line in kmsg buffer dump
	fuse: fix missing unlock_page in fuse_writepage()
	parisc: Disable HP HSC-PCI Cards to prevent kernel crash
	KVM: x86: always stop emulation on page fault
	KVM: x86: set ctxt->have_exception in x86_decode_insn()
	KVM: x86: Manually calculate reserved bits when loading PDPTRS
	media: sn9c20x: Add MSI MS-1039 laptop to flip_dmi_table
	ASoC: Intel: NHLT: Fix debug print format
	ASoC: Intel: Fix use of potentially uninitialized variable
	ARM: zynq: Use memcpy_toio instead of memcpy on smp bring-up
	alarmtimer: Use EOPNOTSUPP instead of ENOTSUPP
	regulator: Defer init completion for a while after late_initcall
	memcg, kmem: do not fail __GFP_NOFAIL charges
	ovl: filter of trusted xattr results in audit
	Btrfs: fix use-after-free when using the tree modification log
	btrfs: Relinquish CPUs in btrfs_compare_trees
	md/raid6: Set R5_ReadError when there is read failure on parity disk
	cfg80211: Purge frame registrations on iftype change
	/dev/mem: Bail out upon SIGKILL.
	ext4: fix warning inside ext4_convert_unwritten_extents_endio
	ext4: fix punch hole for inline_data file systems
	quota: fix wrong condition in is_quota_modification()
	hwrng: core - don't wait on add_early_randomness()
	i2c: riic: Clear NACK in tend isr
	CIFS: fix max ea value size
	CIFS: Fix oplock handling for SMB 2.1+ protocols
	btrfs: qgroup: Drop quota_root and fs_info parameters from update_qgroup_status_item
	Btrfs: fix race setting up and completing qgroup rescan workers
	Linux 4.9.195

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2019-10-24 21:39:34 +03:00

490 lines
12 KiB
C

/*
* Driver for USB webcams based on Konica chipset. This
* chipset is used in Intel YC76 camera.
*
* Copyright (C) 2010 Hans de Goede <hdegoede@redhat.com>
*
* Based on the usbvideo v4l1 konicawc driver which is:
*
* Copyright (C) 2002 Simon Evans <spse@secret.org.uk>
*
* The code for making gspca work with a webcam with 2 isoc endpoints was
* taken from the benq gspca subdriver which is:
*
* Copyright (C) 2009 Jean-Francois Moine (http://moinejf.free.fr)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define MODULE_NAME "konica"
#include <linux/input.h>
#include "gspca.h"
MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
MODULE_DESCRIPTION("Konica chipset USB Camera Driver");
MODULE_LICENSE("GPL");
#define WHITEBAL_REG 0x01
#define BRIGHTNESS_REG 0x02
#define SHARPNESS_REG 0x03
#define CONTRAST_REG 0x04
#define SATURATION_REG 0x05
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
struct urb *last_data_urb;
u8 snapshot_pressed;
};
/* .priv is what goes to register 8 for this mode, known working values:
0x00 -> 176x144, cropped
0x01 -> 176x144, cropped
0x02 -> 176x144, cropped
0x03 -> 176x144, cropped
0x04 -> 176x144, binned
0x05 -> 320x240
0x06 -> 320x240
0x07 -> 160x120, cropped
0x08 -> 160x120, cropped
0x09 -> 160x120, binned (note has 136 lines)
0x0a -> 160x120, binned (note has 136 lines)
0x0b -> 160x120, cropped
*/
static const struct v4l2_pix_format vga_mode[] = {
{160, 120, V4L2_PIX_FMT_KONICA420, V4L2_FIELD_NONE,
.bytesperline = 160,
.sizeimage = 160 * 136 * 3 / 2 + 960,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 0x0a},
{176, 144, V4L2_PIX_FMT_KONICA420, V4L2_FIELD_NONE,
.bytesperline = 176,
.sizeimage = 176 * 144 * 3 / 2 + 960,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 0x04},
{320, 240, V4L2_PIX_FMT_KONICA420, V4L2_FIELD_NONE,
.bytesperline = 320,
.sizeimage = 320 * 240 * 3 / 2 + 960,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 0x05},
};
static void sd_isoc_irq(struct urb *urb);
static void reg_w(struct gspca_dev *gspca_dev, u16 value, u16 index)
{
struct usb_device *dev = gspca_dev->dev;
int ret;
if (gspca_dev->usb_err < 0)
return;
ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
0x02,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value,
index,
NULL,
0,
1000);
if (ret < 0) {
pr_err("reg_w err writing %02x to %02x: %d\n",
value, index, ret);
gspca_dev->usb_err = ret;
}
}
static void reg_r(struct gspca_dev *gspca_dev, u16 value, u16 index)
{
struct usb_device *dev = gspca_dev->dev;
int ret;
if (gspca_dev->usb_err < 0)
return;
ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
0x03,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value,
index,
gspca_dev->usb_buf,
2,
1000);
if (ret < 0) {
pr_err("reg_r err %d\n", ret);
gspca_dev->usb_err = ret;
/*
* Make sure the buffer is zeroed to avoid uninitialized
* values.
*/
memset(gspca_dev->usb_buf, 0, 2);
}
}
static void konica_stream_on(struct gspca_dev *gspca_dev)
{
reg_w(gspca_dev, 1, 0x0b);
}
static void konica_stream_off(struct gspca_dev *gspca_dev)
{
reg_w(gspca_dev, 0, 0x0b);
}
/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
{
gspca_dev->cam.cam_mode = vga_mode;
gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode);
gspca_dev->cam.no_urb_create = 1;
return 0;
}
/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
int i;
/*
* The konica needs a freaking large time to "boot" (approx 6.5 sec.),
* and does not want to be bothered while doing so :|
* Register 0x10 counts from 1 - 3, with 3 being "ready"
*/
msleep(6000);
for (i = 0; i < 20; i++) {
reg_r(gspca_dev, 0, 0x10);
if (gspca_dev->usb_buf[0] == 3)
break;
msleep(100);
}
reg_w(gspca_dev, 0, 0x0d);
return gspca_dev->usb_err;
}
static int sd_start(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
struct urb *urb;
int i, n, packet_size;
struct usb_host_interface *alt;
struct usb_interface *intf;
intf = usb_ifnum_to_if(sd->gspca_dev.dev, sd->gspca_dev.iface);
alt = usb_altnum_to_altsetting(intf, sd->gspca_dev.alt);
if (!alt) {
pr_err("Couldn't get altsetting\n");
return -EIO;
}
if (alt->desc.bNumEndpoints < 2)
return -ENODEV;
packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
n = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
reg_w(gspca_dev, n, 0x08);
konica_stream_on(gspca_dev);
if (gspca_dev->usb_err)
return gspca_dev->usb_err;
/* create 4 URBs - 2 on endpoint 0x83 and 2 on 0x082 */
#if MAX_NURBS < 4
#error "Not enough URBs in the gspca table"
#endif
#define SD_NPKT 32
for (n = 0; n < 4; n++) {
i = n & 1 ? 0 : 1;
packet_size =
le16_to_cpu(alt->endpoint[i].desc.wMaxPacketSize);
urb = usb_alloc_urb(SD_NPKT, GFP_KERNEL);
if (!urb)
return -ENOMEM;
gspca_dev->urb[n] = urb;
urb->transfer_buffer = usb_alloc_coherent(gspca_dev->dev,
packet_size * SD_NPKT,
GFP_KERNEL,
&urb->transfer_dma);
if (urb->transfer_buffer == NULL) {
pr_err("usb_buffer_alloc failed\n");
return -ENOMEM;
}
urb->dev = gspca_dev->dev;
urb->context = gspca_dev;
urb->transfer_buffer_length = packet_size * SD_NPKT;
urb->pipe = usb_rcvisocpipe(gspca_dev->dev,
n & 1 ? 0x81 : 0x82);
urb->transfer_flags = URB_ISO_ASAP
| URB_NO_TRANSFER_DMA_MAP;
urb->interval = 1;
urb->complete = sd_isoc_irq;
urb->number_of_packets = SD_NPKT;
for (i = 0; i < SD_NPKT; i++) {
urb->iso_frame_desc[i].length = packet_size;
urb->iso_frame_desc[i].offset = packet_size * i;
}
}
return 0;
}
static void sd_stopN(struct gspca_dev *gspca_dev)
{
struct sd *sd __maybe_unused = (struct sd *) gspca_dev;
konica_stream_off(gspca_dev);
#if IS_ENABLED(CONFIG_INPUT)
/* Don't keep the button in the pressed state "forever" if it was
pressed when streaming is stopped */
if (sd->snapshot_pressed) {
input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
input_sync(gspca_dev->input_dev);
sd->snapshot_pressed = 0;
}
#endif
}
/* reception of an URB */
static void sd_isoc_irq(struct urb *urb)
{
struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context;
struct sd *sd = (struct sd *) gspca_dev;
struct urb *data_urb, *status_urb;
u8 *data;
int i, st;
PDEBUG(D_PACK, "sd isoc irq");
if (!gspca_dev->streaming)
return;
if (urb->status != 0) {
if (urb->status == -ESHUTDOWN)
return; /* disconnection */
#ifdef CONFIG_PM
if (gspca_dev->frozen)
return;
#endif
PERR("urb status: %d", urb->status);
st = usb_submit_urb(urb, GFP_ATOMIC);
if (st < 0)
pr_err("resubmit urb error %d\n", st);
return;
}
/* if this is a data URB (ep 0x82), wait */
if (urb->transfer_buffer_length > 32) {
sd->last_data_urb = urb;
return;
}
status_urb = urb;
data_urb = sd->last_data_urb;
sd->last_data_urb = NULL;
if (!data_urb || data_urb->start_frame != status_urb->start_frame) {
PERR("lost sync on frames");
goto resubmit;
}
if (data_urb->number_of_packets != status_urb->number_of_packets) {
PERR("no packets does not match, data: %d, status: %d",
data_urb->number_of_packets,
status_urb->number_of_packets);
goto resubmit;
}
for (i = 0; i < status_urb->number_of_packets; i++) {
if (data_urb->iso_frame_desc[i].status ||
status_urb->iso_frame_desc[i].status) {
PERR("pkt %d data-status %d, status-status %d", i,
data_urb->iso_frame_desc[i].status,
status_urb->iso_frame_desc[i].status);
gspca_dev->last_packet_type = DISCARD_PACKET;
continue;
}
if (status_urb->iso_frame_desc[i].actual_length != 1) {
PERR("bad status packet length %d",
status_urb->iso_frame_desc[i].actual_length);
gspca_dev->last_packet_type = DISCARD_PACKET;
continue;
}
st = *((u8 *)status_urb->transfer_buffer
+ status_urb->iso_frame_desc[i].offset);
data = (u8 *)data_urb->transfer_buffer
+ data_urb->iso_frame_desc[i].offset;
/* st: 0x80-0xff: frame start with frame number (ie 0-7f)
* otherwise:
* bit 0 0: keep packet
* 1: drop packet (padding data)
*
* bit 4 0 button not clicked
* 1 button clicked
* button is used to `take a picture' (in software)
*/
if (st & 0x80) {
gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
} else {
#if IS_ENABLED(CONFIG_INPUT)
u8 button_state = st & 0x40 ? 1 : 0;
if (sd->snapshot_pressed != button_state) {
input_report_key(gspca_dev->input_dev,
KEY_CAMERA,
button_state);
input_sync(gspca_dev->input_dev);
sd->snapshot_pressed = button_state;
}
#endif
if (st & 0x01)
continue;
}
gspca_frame_add(gspca_dev, INTER_PACKET, data,
data_urb->iso_frame_desc[i].actual_length);
}
resubmit:
if (data_urb) {
st = usb_submit_urb(data_urb, GFP_ATOMIC);
if (st < 0)
PERR("usb_submit_urb(data_urb) ret %d", st);
}
st = usb_submit_urb(status_urb, GFP_ATOMIC);
if (st < 0)
PERR("usb_submit_urb(status_urb) ret %d\n", st);
}
static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct gspca_dev *gspca_dev =
container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
gspca_dev->usb_err = 0;
if (!gspca_dev->streaming)
return 0;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
konica_stream_off(gspca_dev);
reg_w(gspca_dev, ctrl->val, BRIGHTNESS_REG);
konica_stream_on(gspca_dev);
break;
case V4L2_CID_CONTRAST:
konica_stream_off(gspca_dev);
reg_w(gspca_dev, ctrl->val, CONTRAST_REG);
konica_stream_on(gspca_dev);
break;
case V4L2_CID_SATURATION:
konica_stream_off(gspca_dev);
reg_w(gspca_dev, ctrl->val, SATURATION_REG);
konica_stream_on(gspca_dev);
break;
case V4L2_CID_WHITE_BALANCE_TEMPERATURE:
konica_stream_off(gspca_dev);
reg_w(gspca_dev, ctrl->val, WHITEBAL_REG);
konica_stream_on(gspca_dev);
break;
case V4L2_CID_SHARPNESS:
konica_stream_off(gspca_dev);
reg_w(gspca_dev, ctrl->val, SHARPNESS_REG);
konica_stream_on(gspca_dev);
break;
}
return gspca_dev->usb_err;
}
static const struct v4l2_ctrl_ops sd_ctrl_ops = {
.s_ctrl = sd_s_ctrl,
};
static int sd_init_controls(struct gspca_dev *gspca_dev)
{
struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
gspca_dev->vdev.ctrl_handler = hdl;
v4l2_ctrl_handler_init(hdl, 5);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_BRIGHTNESS, 0, 9, 1, 4);
/* Needs to be verified */
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_CONTRAST, 0, 9, 1, 4);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_SATURATION, 0, 9, 1, 4);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_WHITE_BALANCE_TEMPERATURE,
0, 33, 1, 25);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_SHARPNESS, 0, 9, 1, 4);
if (hdl->error) {
pr_err("Could not initialize controls\n");
return hdl->error;
}
return 0;
}
/* sub-driver description */
static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
.config = sd_config,
.init = sd_init,
.init_controls = sd_init_controls,
.start = sd_start,
.stopN = sd_stopN,
#if IS_ENABLED(CONFIG_INPUT)
.other_input = 1,
#endif
};
/* -- module initialisation -- */
static const struct usb_device_id device_table[] = {
{USB_DEVICE(0x04c8, 0x0720)}, /* Intel YC 76 */
{}
};
MODULE_DEVICE_TABLE(usb, device_table);
/* -- device connect -- */
static int sd_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
THIS_MODULE);
}
static struct usb_driver sd_driver = {
.name = MODULE_NAME,
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
#ifdef CONFIG_PM
.suspend = gspca_suspend,
.resume = gspca_resume,
.reset_resume = gspca_resume,
#endif
};
module_usb_driver(sd_driver);