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path: root/drivers/media/video/gspca/konica.c
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Diffstat (limited to 'drivers/media/video/gspca/konica.c')
-rw-r--r--drivers/media/video/gspca/konica.c487
1 files changed, 0 insertions, 487 deletions
diff --git a/drivers/media/video/gspca/konica.c b/drivers/media/video/gspca/konica.c
deleted file mode 100644
index bbf91e0..0000000
--- a/drivers/media/video/gspca/konica.c
+++ /dev/null
@@ -1,487 +0,0 @@
-/*
- * 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;
- }
-}
-
-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;
- }
-
- 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) {
- pr_err("usb_alloc_urb failed\n");
- 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 = (struct sd *) gspca_dev;
-
- konica_stream_off(gspca_dev);
-#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
- /* 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
- PDEBUG(D_ERR, "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) {
- PDEBUG(D_ERR|D_PACK, "lost sync on frames");
- goto resubmit;
- }
-
- if (data_urb->number_of_packets != status_urb->number_of_packets) {
- PDEBUG(D_ERR|D_PACK,
- "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) {
- PDEBUG(D_ERR|D_PACK,
- "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) {
- PDEBUG(D_ERR|D_PACK,
- "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 defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
- 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)
- PDEBUG(D_ERR|D_PACK,
- "usb_submit_urb(data_urb) ret %d", st);
- }
- st = usb_submit_urb(status_urb, GFP_ATOMIC);
- if (st < 0)
- pr_err("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 defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
- .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);
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