diff options
Diffstat (limited to 'drivers/media/video/gspca/konica.c')
| -rw-r--r-- | drivers/media/video/gspca/konica.c | 487 |
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 bbf91e07e38b..000000000000 --- 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); |