X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fgspca%2Fkonica.c;fp=drivers%2Fmedia%2Fvideo%2Fgspca%2Fkonica.c;h=5964691c0e95e66f8b6c56905181ba0281822b6f;hb=f2ec334db8d14ae3ec2e4bf8d974f75b8f772e26;hp=0000000000000000000000000000000000000000;hpb=81e20d4d8d0317ecf1c7d193a52ab26cf74e1737;p=mv-sheeva.git diff --git a/drivers/media/video/gspca/konica.c b/drivers/media/video/gspca/konica.c new file mode 100644 index 00000000000..5964691c0e9 --- /dev/null +++ b/drivers/media/video/gspca/konica.c @@ -0,0 +1,646 @@ +/* + * Driver for USB webcams based on Konica chipset. This + * chipset is used in Intel YC76 camera. + * + * Copyright (C) 2010 Hans de Goede + * + * Based on the usbvideo v4l1 konicawc driver which is: + * + * Copyright (C) 2002 Simon Evans + * + * 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 MODULE_NAME "konica" + +#include +#include "gspca.h" + +MODULE_AUTHOR("Hans de Goede "); +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; + u8 brightness; + u8 contrast; + u8 saturation; + u8 whitebal; + u8 sharpness; +}; + +/* V4L2 controls supported by the driver */ +static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setsaturation(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getsaturation(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setwhitebal(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getwhitebal(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val); + +static const struct ctrl sd_ctrls[] = { +#define SD_BRIGHTNESS 0 + { + { + .id = V4L2_CID_BRIGHTNESS, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Brightness", + .minimum = 0, + .maximum = 9, + .step = 1, +#define BRIGHTNESS_DEFAULT 4 + .default_value = BRIGHTNESS_DEFAULT, + .flags = 0, + }, + .set = sd_setbrightness, + .get = sd_getbrightness, + }, +#define SD_CONTRAST 1 + { + { + .id = V4L2_CID_CONTRAST, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Contrast", + .minimum = 0, + .maximum = 9, + .step = 4, +#define CONTRAST_DEFAULT 10 + .default_value = CONTRAST_DEFAULT, + .flags = 0, + }, + .set = sd_setcontrast, + .get = sd_getcontrast, + }, +#define SD_SATURATION 2 + { + { + .id = V4L2_CID_SATURATION, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Saturation", + .minimum = 0, + .maximum = 9, + .step = 1, +#define SATURATION_DEFAULT 4 + .default_value = SATURATION_DEFAULT, + .flags = 0, + }, + .set = sd_setsaturation, + .get = sd_getsaturation, + }, +#define SD_WHITEBAL 3 + { + { + .id = V4L2_CID_WHITE_BALANCE_TEMPERATURE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "White Balance", + .minimum = 0, + .maximum = 33, + .step = 1, +#define WHITEBAL_DEFAULT 25 + .default_value = WHITEBAL_DEFAULT, + .flags = 0, + }, + .set = sd_setwhitebal, + .get = sd_getwhitebal, + }, +#define SD_SHARPNESS 4 + { + { + .id = V4L2_CID_SHARPNESS, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Sharpness", + .minimum = 0, + .maximum = 9, + .step = 1, +#define SHARPNESS_DEFAULT 4 + .default_value = SHARPNESS_DEFAULT, + .flags = 0, + }, + .set = sd_setsharpness, + .get = sd_getsharpness, + }, +}; + +/* .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) { + err("reg_w err %d", 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) { + err("reg_w err %d", 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) +{ + struct sd *sd = (struct sd *) gspca_dev; + + gspca_dev->cam.cam_mode = vga_mode; + gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode); + gspca_dev->cam.no_urb_create = 1; + /* The highest alt setting has an isoc packetsize of 0, so we + don't want to use it */ + gspca_dev->nbalt--; + + sd->brightness = BRIGHTNESS_DEFAULT; + sd->contrast = CONTRAST_DEFAULT; + sd->saturation = SATURATION_DEFAULT; + sd->whitebal = WHITEBAL_DEFAULT; + sd->sharpness = SHARPNESS_DEFAULT; + + return 0; +} + +/* this function is called at probe and resume time */ +static int sd_init(struct gspca_dev *gspca_dev) +{ + /* HDG not sure if these 2 reads are needed */ + reg_r(gspca_dev, 0, 0x10); + PDEBUG(D_PROBE, "Reg 0x10 reads: %02x %02x", + gspca_dev->usb_buf[0], gspca_dev->usb_buf[1]); + reg_r(gspca_dev, 0, 0x10); + PDEBUG(D_PROBE, "Reg 0x10 reads: %02x %02x", + gspca_dev->usb_buf[0], gspca_dev->usb_buf[1]); + reg_w(gspca_dev, 0, 0x0d); + + return 0; +} + +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) { + err("Couldn't get altsetting"); + return -EIO; + } + + packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); + + reg_w(gspca_dev, sd->brightness, BRIGHTNESS_REG); + reg_w(gspca_dev, sd->whitebal, WHITEBAL_REG); + reg_w(gspca_dev, sd->contrast, CONTRAST_REG); + reg_w(gspca_dev, sd->saturation, SATURATION_REG); + reg_w(gspca_dev, sd->sharpness, SHARPNESS_REG); + + 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) { + err("usb_alloc_urb failed"); + 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) { + err("usb_buffer_alloc failed"); + 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) + err("resubmit urb error %d", 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) + err("usb_submit_urb(status_urb) ret %d", st); +} + +static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->brightness = val; + if (gspca_dev->streaming) { + konica_stream_off(gspca_dev); + reg_w(gspca_dev, sd->brightness, BRIGHTNESS_REG); + konica_stream_on(gspca_dev); + } + + return 0; +} + +static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->brightness; + + return 0; +} + +static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->contrast = val; + if (gspca_dev->streaming) { + konica_stream_off(gspca_dev); + reg_w(gspca_dev, sd->contrast, CONTRAST_REG); + konica_stream_on(gspca_dev); + } + + return 0; +} + +static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->contrast; + + return 0; +} + +static int sd_setsaturation(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->saturation = val; + if (gspca_dev->streaming) { + konica_stream_off(gspca_dev); + reg_w(gspca_dev, sd->saturation, SATURATION_REG); + konica_stream_on(gspca_dev); + } + return 0; +} + +static int sd_getsaturation(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->saturation; + + return 0; +} + +static int sd_setwhitebal(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->whitebal = val; + if (gspca_dev->streaming) { + konica_stream_off(gspca_dev); + reg_w(gspca_dev, sd->whitebal, WHITEBAL_REG); + konica_stream_on(gspca_dev); + } + return 0; +} + +static int sd_getwhitebal(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->whitebal; + + return 0; +} + +static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->sharpness = val; + if (gspca_dev->streaming) { + konica_stream_off(gspca_dev); + reg_w(gspca_dev, sd->sharpness, SHARPNESS_REG); + konica_stream_on(gspca_dev); + } + return 0; +} + +static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->sharpness; + + return 0; +} + +/* sub-driver description */ +static const struct sd_desc sd_desc = { + .name = MODULE_NAME, + .ctrls = sd_ctrls, + .nctrls = ARRAY_SIZE(sd_ctrls), + .config = sd_config, + .init = sd_init, + .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, +#endif +}; + +/* -- module insert / remove -- */ +static int __init sd_mod_init(void) +{ + return usb_register(&sd_driver); +} +static void __exit sd_mod_exit(void) +{ + usb_deregister(&sd_driver); +} + +module_init(sd_mod_init); +module_exit(sd_mod_exit);