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path: root/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c
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Diffstat (limited to 'drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c')
-rw-r--r--drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c434
1 files changed, 0 insertions, 434 deletions
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c b/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c
deleted file mode 100644
index cdfc3d0..0000000
--- a/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c
+++ /dev/null
@@ -1,434 +0,0 @@
-/*
- * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
- * Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
- * Copyright (c) 2002, 2003 Tuukka Toivonen
- * Copyright (c) 2008 Erik Andrén
- *
- * 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
- * (at your option) 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
- *
- * P/N 861037: Sensor HDCS1000 ASIC STV0600
- * P/N 861050-0010: Sensor HDCS1000 ASIC STV0600
- * P/N 861050-0020: Sensor Photobit PB100 ASIC STV0600-1 - QuickCam Express
- * P/N 861055: Sensor ST VV6410 ASIC STV0610 - LEGO cam
- * P/N 861075-0040: Sensor HDCS1000 ASIC
- * P/N 961179-0700: Sensor ST VV6410 ASIC STV0602 - Dexxa WebCam USB
- * P/N 861040-0000: Sensor ST VV6410 ASIC STV0610 - QuickCam Web
- */
-
-/*
- * The spec file for the PB-0100 suggests the following for best quality
- * images after the sensor has been reset :
- *
- * PB_ADCGAINL = R60 = 0x03 (3 dec) : sets low reference of ADC
- to produce good black level
- * PB_PREADCTRL = R32 = 0x1400 (5120 dec) : Enables global gain changes
- through R53
- * PB_ADCMINGAIN = R52 = 0x10 (16 dec) : Sets the minimum gain for
- auto-exposure
- * PB_ADCGLOBALGAIN = R53 = 0x10 (16 dec) : Sets the global gain
- * PB_EXPGAIN = R14 = 0x11 (17 dec) : Sets the auto-exposure value
- * PB_UPDATEINT = R23 = 0x02 (2 dec) : Sets the speed on
- auto-exposure routine
- * PB_CFILLIN = R5 = 0x0E (14 dec) : Sets the frame rate
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include "stv06xx_pb0100.h"
-
-struct pb0100_ctrls {
- struct { /* one big happy control cluster... */
- struct v4l2_ctrl *autogain;
- struct v4l2_ctrl *gain;
- struct v4l2_ctrl *exposure;
- struct v4l2_ctrl *red;
- struct v4l2_ctrl *blue;
- struct v4l2_ctrl *natural;
- };
- struct v4l2_ctrl *target;
-};
-
-static struct v4l2_pix_format pb0100_mode[] = {
-/* low res / subsample modes disabled as they are only half res horizontal,
- halving the vertical resolution does not seem to work */
- {
- 320,
- 240,
- V4L2_PIX_FMT_SGRBG8,
- V4L2_FIELD_NONE,
- .sizeimage = 320 * 240,
- .bytesperline = 320,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .priv = PB0100_CROP_TO_VGA
- },
- {
- 352,
- 288,
- V4L2_PIX_FMT_SGRBG8,
- V4L2_FIELD_NONE,
- .sizeimage = 352 * 288,
- .bytesperline = 352,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .priv = 0
- }
-};
-
-static int pb0100_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct gspca_dev *gspca_dev =
- container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
- struct sd *sd = (struct sd *)gspca_dev;
- struct pb0100_ctrls *ctrls = sd->sensor_priv;
- int err = -EINVAL;
-
- switch (ctrl->id) {
- case V4L2_CID_AUTOGAIN:
- err = pb0100_set_autogain(gspca_dev, ctrl->val);
- if (err)
- break;
- if (ctrl->val)
- break;
- err = pb0100_set_gain(gspca_dev, ctrls->gain->val);
- if (err)
- break;
- err = pb0100_set_exposure(gspca_dev, ctrls->exposure->val);
- break;
- case V4L2_CTRL_CLASS_USER + 0x1001:
- err = pb0100_set_autogain_target(gspca_dev, ctrl->val);
- break;
- }
- return err;
-}
-
-static const struct v4l2_ctrl_ops pb0100_ctrl_ops = {
- .s_ctrl = pb0100_s_ctrl,
-};
-
-static int pb0100_init_controls(struct sd *sd)
-{
- struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
- struct pb0100_ctrls *ctrls;
- static const struct v4l2_ctrl_config autogain_target = {
- .ops = &pb0100_ctrl_ops,
- .id = V4L2_CTRL_CLASS_USER + 0x1000,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Automatic Gain Target",
- .max = 255,
- .step = 1,
- .def = 128,
- };
- static const struct v4l2_ctrl_config natural_light = {
- .ops = &pb0100_ctrl_ops,
- .id = V4L2_CTRL_CLASS_USER + 0x1001,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Natural Light Source",
- .max = 1,
- .step = 1,
- .def = 1,
- };
-
- ctrls = kzalloc(sizeof(*ctrls), GFP_KERNEL);
- if (!ctrls)
- return -ENOMEM;
-
- v4l2_ctrl_handler_init(hdl, 6);
- ctrls->autogain = v4l2_ctrl_new_std(hdl, &pb0100_ctrl_ops,
- V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
- ctrls->exposure = v4l2_ctrl_new_std(hdl, &pb0100_ctrl_ops,
- V4L2_CID_EXPOSURE, 0, 511, 1, 12);
- ctrls->gain = v4l2_ctrl_new_std(hdl, &pb0100_ctrl_ops,
- V4L2_CID_GAIN, 0, 255, 1, 128);
- ctrls->red = v4l2_ctrl_new_std(hdl, &pb0100_ctrl_ops,
- V4L2_CID_RED_BALANCE, -255, 255, 1, 0);
- ctrls->blue = v4l2_ctrl_new_std(hdl, &pb0100_ctrl_ops,
- V4L2_CID_BLUE_BALANCE, -255, 255, 1, 0);
- ctrls->natural = v4l2_ctrl_new_custom(hdl, &natural_light, NULL);
- ctrls->target = v4l2_ctrl_new_custom(hdl, &autogain_target, NULL);
- if (hdl->error) {
- kfree(ctrls);
- return hdl->error;
- }
- sd->sensor_priv = ctrls;
- v4l2_ctrl_auto_cluster(5, &ctrls->autogain, 0, false);
- return 0;
-}
-
-static int pb0100_probe(struct sd *sd)
-{
- u16 sensor;
- int err;
-
- err = stv06xx_read_sensor(sd, PB_IDENT, &sensor);
-
- if (err < 0)
- return -ENODEV;
- if ((sensor >> 8) != 0x64)
- return -ENODEV;
-
- pr_info("Photobit pb0100 sensor detected\n");
-
- sd->gspca_dev.cam.cam_mode = pb0100_mode;
- sd->gspca_dev.cam.nmodes = ARRAY_SIZE(pb0100_mode);
-
- return 0;
-}
-
-static int pb0100_start(struct sd *sd)
-{
- int err, packet_size, max_packet_size;
- struct usb_host_interface *alt;
- struct usb_interface *intf;
- struct cam *cam = &sd->gspca_dev.cam;
- u32 mode = cam->cam_mode[sd->gspca_dev.curr_mode].priv;
-
- 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)
- return -ENODEV;
- packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
-
- /* If we don't have enough bandwidth use a lower framerate */
- max_packet_size = sd->sensor->max_packet_size[sd->gspca_dev.curr_mode];
- if (packet_size < max_packet_size)
- stv06xx_write_sensor(sd, PB_ROWSPEED, BIT(4)|BIT(3)|BIT(1));
- else
- stv06xx_write_sensor(sd, PB_ROWSPEED, BIT(5)|BIT(3)|BIT(1));
-
- /* Setup sensor window */
- if (mode & PB0100_CROP_TO_VGA) {
- stv06xx_write_sensor(sd, PB_RSTART, 30);
- stv06xx_write_sensor(sd, PB_CSTART, 20);
- stv06xx_write_sensor(sd, PB_RWSIZE, 240 - 1);
- stv06xx_write_sensor(sd, PB_CWSIZE, 320 - 1);
- } else {
- stv06xx_write_sensor(sd, PB_RSTART, 8);
- stv06xx_write_sensor(sd, PB_CSTART, 4);
- stv06xx_write_sensor(sd, PB_RWSIZE, 288 - 1);
- stv06xx_write_sensor(sd, PB_CWSIZE, 352 - 1);
- }
-
- if (mode & PB0100_SUBSAMPLE) {
- stv06xx_write_bridge(sd, STV_Y_CTRL, 0x02); /* Wrong, FIXME */
- stv06xx_write_bridge(sd, STV_X_CTRL, 0x06);
-
- stv06xx_write_bridge(sd, STV_SCAN_RATE, 0x10);
- } else {
- stv06xx_write_bridge(sd, STV_Y_CTRL, 0x01);
- stv06xx_write_bridge(sd, STV_X_CTRL, 0x0a);
- /* larger -> slower */
- stv06xx_write_bridge(sd, STV_SCAN_RATE, 0x20);
- }
-
- err = stv06xx_write_sensor(sd, PB_CONTROL, BIT(5)|BIT(3)|BIT(1));
- PDEBUG(D_STREAM, "Started stream, status: %d", err);
-
- return (err < 0) ? err : 0;
-}
-
-static int pb0100_stop(struct sd *sd)
-{
- int err;
-
- err = stv06xx_write_sensor(sd, PB_ABORTFRAME, 1);
-
- if (err < 0)
- goto out;
-
- /* Set bit 1 to zero */
- err = stv06xx_write_sensor(sd, PB_CONTROL, BIT(5)|BIT(3));
-
- PDEBUG(D_STREAM, "Halting stream");
-out:
- return (err < 0) ? err : 0;
-}
-
-/* FIXME: Sort the init commands out and put them into tables,
- this is only for getting the camera to work */
-/* FIXME: No error handling for now,
- add this once the init has been converted to proper tables */
-static int pb0100_init(struct sd *sd)
-{
- stv06xx_write_bridge(sd, STV_REG00, 1);
- stv06xx_write_bridge(sd, STV_SCAN_RATE, 0);
-
- /* Reset sensor */
- stv06xx_write_sensor(sd, PB_RESET, 1);
- stv06xx_write_sensor(sd, PB_RESET, 0);
-
- /* Disable chip */
- stv06xx_write_sensor(sd, PB_CONTROL, BIT(5)|BIT(3));
-
- /* Gain stuff...*/
- stv06xx_write_sensor(sd, PB_PREADCTRL, BIT(12)|BIT(10)|BIT(6));
- stv06xx_write_sensor(sd, PB_ADCGLOBALGAIN, 12);
-
- /* Set up auto-exposure */
- /* ADC VREF_HI new setting for a transition
- from the Expose1 to the Expose2 setting */
- stv06xx_write_sensor(sd, PB_R28, 12);
- /* gain max for autoexposure */
- stv06xx_write_sensor(sd, PB_ADCMAXGAIN, 180);
- /* gain min for autoexposure */
- stv06xx_write_sensor(sd, PB_ADCMINGAIN, 12);
- /* Maximum frame integration time (programmed into R8)
- allowed for auto-exposure routine */
- stv06xx_write_sensor(sd, PB_R54, 3);
- /* Minimum frame integration time (programmed into R8)
- allowed for auto-exposure routine */
- stv06xx_write_sensor(sd, PB_R55, 0);
- stv06xx_write_sensor(sd, PB_UPDATEINT, 1);
- /* R15 Expose0 (maximum that auto-exposure may use) */
- stv06xx_write_sensor(sd, PB_R15, 800);
- /* R17 Expose2 (minimum that auto-exposure may use) */
- stv06xx_write_sensor(sd, PB_R17, 10);
-
- stv06xx_write_sensor(sd, PB_EXPGAIN, 0);
-
- /* 0x14 */
- stv06xx_write_sensor(sd, PB_VOFFSET, 0);
- /* 0x0D */
- stv06xx_write_sensor(sd, PB_ADCGAINH, 11);
- /* Set black level (important!) */
- stv06xx_write_sensor(sd, PB_ADCGAINL, 0);
-
- /* ??? */
- stv06xx_write_bridge(sd, STV_REG00, 0x11);
- stv06xx_write_bridge(sd, STV_REG03, 0x45);
- stv06xx_write_bridge(sd, STV_REG04, 0x07);
-
- /* Scan/timing for the sensor */
- stv06xx_write_sensor(sd, PB_ROWSPEED, BIT(4)|BIT(3)|BIT(1));
- stv06xx_write_sensor(sd, PB_CFILLIN, 14);
- stv06xx_write_sensor(sd, PB_VBL, 0);
- stv06xx_write_sensor(sd, PB_FINTTIME, 0);
- stv06xx_write_sensor(sd, PB_RINTTIME, 123);
-
- stv06xx_write_bridge(sd, STV_REG01, 0xc2);
- stv06xx_write_bridge(sd, STV_REG02, 0xb0);
- return 0;
-}
-
-static int pb0100_dump(struct sd *sd)
-{
- return 0;
-}
-
-static int pb0100_set_gain(struct gspca_dev *gspca_dev, __s32 val)
-{
- int err;
- struct sd *sd = (struct sd *) gspca_dev;
- struct pb0100_ctrls *ctrls = sd->sensor_priv;
-
- err = stv06xx_write_sensor(sd, PB_G1GAIN, val);
- if (!err)
- err = stv06xx_write_sensor(sd, PB_G2GAIN, val);
- PDEBUG(D_V4L2, "Set green gain to %d, status: %d", val, err);
-
- if (!err)
- err = pb0100_set_red_balance(gspca_dev, ctrls->red->val);
- if (!err)
- err = pb0100_set_blue_balance(gspca_dev, ctrls->blue->val);
-
- return err;
-}
-
-static int pb0100_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
-{
- int err;
- struct sd *sd = (struct sd *) gspca_dev;
- struct pb0100_ctrls *ctrls = sd->sensor_priv;
-
- val += ctrls->gain->val;
- if (val < 0)
- val = 0;
- else if (val > 255)
- val = 255;
-
- err = stv06xx_write_sensor(sd, PB_RGAIN, val);
- PDEBUG(D_V4L2, "Set red gain to %d, status: %d", val, err);
-
- return err;
-}
-
-static int pb0100_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
-{
- int err;
- struct sd *sd = (struct sd *) gspca_dev;
- struct pb0100_ctrls *ctrls = sd->sensor_priv;
-
- val += ctrls->gain->val;
- if (val < 0)
- val = 0;
- else if (val > 255)
- val = 255;
-
- err = stv06xx_write_sensor(sd, PB_BGAIN, val);
- PDEBUG(D_V4L2, "Set blue gain to %d, status: %d", val, err);
-
- return err;
-}
-
-static int pb0100_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- int err;
-
- err = stv06xx_write_sensor(sd, PB_RINTTIME, val);
- PDEBUG(D_V4L2, "Set exposure to %d, status: %d", val, err);
-
- return err;
-}
-
-static int pb0100_set_autogain(struct gspca_dev *gspca_dev, __s32 val)
-{
- int err;
- struct sd *sd = (struct sd *) gspca_dev;
- struct pb0100_ctrls *ctrls = sd->sensor_priv;
-
- if (val) {
- if (ctrls->natural->val)
- val = BIT(6)|BIT(4)|BIT(0);
- else
- val = BIT(4)|BIT(0);
- } else
- val = 0;
-
- err = stv06xx_write_sensor(sd, PB_EXPGAIN, val);
- PDEBUG(D_V4L2, "Set autogain to %d (natural: %d), status: %d",
- val, ctrls->natural->val, err);
-
- return err;
-}
-
-static int pb0100_set_autogain_target(struct gspca_dev *gspca_dev, __s32 val)
-{
- int err, totalpixels, brightpixels, darkpixels;
- struct sd *sd = (struct sd *) gspca_dev;
-
- /* Number of pixels counted by the sensor when subsampling the pixels.
- * Slightly larger than the real value to avoid oscillation */
- totalpixels = gspca_dev->width * gspca_dev->height;
- totalpixels = totalpixels/(8*8) + totalpixels/(64*64);
-
- brightpixels = (totalpixels * val) >> 8;
- darkpixels = totalpixels - brightpixels;
- err = stv06xx_write_sensor(sd, PB_R21, brightpixels);
- if (!err)
- err = stv06xx_write_sensor(sd, PB_R22, darkpixels);
-
- PDEBUG(D_V4L2, "Set autogain target to %d, status: %d", val, err);
-
- return err;
-}
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