--- /dev/null
+/*
+ * Quickcam cameras initialization data
+ *
+ * V4L2 by 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 "tv8532"
+
+#include "gspca.h"
+
+MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
+MODULE_DESCRIPTION("TV8532 USB Camera Driver");
+MODULE_LICENSE("GPL");
+
+/* specific webcam descriptor */
+struct sd {
+ struct gspca_dev gspca_dev; /* !! must be the first item */
+
+ __u8 packet;
+};
+
+static const struct v4l2_pix_format sif_mode[] = {
+ {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 176,
+ .sizeimage = 176 * 144,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1},
+ {352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 352,
+ .sizeimage = 352 * 288,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0},
+};
+
+/* TV-8532A (ICM532A) registers (LE) */
+#define R00_PART_CONTROL 0x00
+#define LATENT_CHANGE 0x80
+#define EXPO_CHANGE 0x04
+#define R01_TIMING_CONTROL_LOW 0x01
+#define CMD_EEprom_Open 0x30
+#define CMD_EEprom_Close 0x29
+#define R03_TABLE_ADDR 0x03
+#define R04_WTRAM_DATA_L 0x04
+#define R05_WTRAM_DATA_M 0x05
+#define R06_WTRAM_DATA_H 0x06
+#define R07_TABLE_LEN 0x07
+#define R08_RAM_WRITE_ACTION 0x08
+#define R0C_AD_WIDTHL 0x0c
+#define R0D_AD_WIDTHH 0x0d
+#define R0E_AD_HEIGHTL 0x0e
+#define R0F_AD_HEIGHTH 0x0f
+#define R10_AD_COL_BEGINL 0x10
+#define R11_AD_COL_BEGINH 0x11
+#define MIRROR 0x04 /* [10] */
+#define R14_AD_ROW_BEGINL 0x14
+#define R15_AD_ROWBEGINH 0x15
+#define R1C_AD_EXPOSE_TIMEL 0x1c
+#define R20_GAIN_G1L 0x20
+#define R21_GAIN_G1H 0x21
+#define R22_GAIN_RL 0x22
+#define R23_GAIN_RH 0x23
+#define R24_GAIN_BL 0x24
+#define R25_GAIN_BH 0x25
+#define R26_GAIN_G2L 0x26
+#define R27_GAIN_G2H 0x27
+#define R28_QUANT 0x28
+#define R29_LINE 0x29
+#define R2C_POLARITY 0x2c
+#define R2D_POINT 0x2d
+#define R2E_POINTH 0x2e
+#define R2F_POINTB 0x2f
+#define R30_POINTBH 0x30
+#define R31_UPD 0x31
+#define R2A_HIGH_BUDGET 0x2a
+#define R2B_LOW_BUDGET 0x2b
+#define R34_VID 0x34
+#define R35_VIDH 0x35
+#define R36_PID 0x36
+#define R37_PIDH 0x37
+#define R39_Test1 0x39 /* GPIO */
+#define R3B_Test3 0x3b /* GPIO */
+#define R83_AD_IDH 0x83
+#define R91_AD_SLOPEREG 0x91
+#define R94_AD_BITCONTROL 0x94
+
+static const u8 eeprom_data[][3] = {
+/* dataH dataM dataL */
+ {0x01, 0x00, 0x01},
+ {0x01, 0x80, 0x11},
+ {0x05, 0x00, 0x14},
+ {0x05, 0x00, 0x1c},
+ {0x0d, 0x00, 0x1e},
+ {0x05, 0x00, 0x1f},
+ {0x05, 0x05, 0x19},
+ {0x05, 0x01, 0x1b},
+ {0x05, 0x09, 0x1e},
+ {0x0d, 0x89, 0x2e},
+ {0x05, 0x89, 0x2f},
+ {0x05, 0x0d, 0xd9},
+ {0x05, 0x09, 0xf1},
+};
+
+
+/* write 1 byte */
+static void reg_w1(struct gspca_dev *gspca_dev,
+ __u16 index, __u8 value)
+{
+ gspca_dev->usb_buf[0] = value;
+ usb_control_msg(gspca_dev->dev,
+ usb_sndctrlpipe(gspca_dev->dev, 0),
+ 0x02,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, /* value */
+ index, gspca_dev->usb_buf, 1, 500);
+}
+
+/* write 2 bytes */
+static void reg_w2(struct gspca_dev *gspca_dev,
+ u16 index, u16 value)
+{
+ gspca_dev->usb_buf[0] = value;
+ gspca_dev->usb_buf[1] = value >> 8;
+ usb_control_msg(gspca_dev->dev,
+ usb_sndctrlpipe(gspca_dev->dev, 0),
+ 0x02,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, /* value */
+ index, gspca_dev->usb_buf, 2, 500);
+}
+
+static void tv_8532WriteEEprom(struct gspca_dev *gspca_dev)
+{
+ int i;
+
+ reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Open);
+ for (i = 0; i < ARRAY_SIZE(eeprom_data); i++) {
+ reg_w1(gspca_dev, R03_TABLE_ADDR, i);
+ reg_w1(gspca_dev, R04_WTRAM_DATA_L, eeprom_data[i][2]);
+ reg_w1(gspca_dev, R05_WTRAM_DATA_M, eeprom_data[i][1]);
+ reg_w1(gspca_dev, R06_WTRAM_DATA_H, eeprom_data[i][0]);
+ reg_w1(gspca_dev, R08_RAM_WRITE_ACTION, 0);
+ }
+ reg_w1(gspca_dev, R07_TABLE_LEN, i);
+ reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Close);
+}
+
+/* this function is called at probe time */
+static int sd_config(struct gspca_dev *gspca_dev,
+ const struct usb_device_id *id)
+{
+ struct cam *cam;
+
+ cam = &gspca_dev->cam;
+ cam->cam_mode = sif_mode;
+ cam->nmodes = ARRAY_SIZE(sif_mode);
+
+ return 0;
+}
+
+static void tv_8532_setReg(struct gspca_dev *gspca_dev)
+{
+ reg_w1(gspca_dev, R3B_Test3, 0x0a); /* Test0Sel = 10 */
+ /******************************************************/
+ reg_w1(gspca_dev, R0E_AD_HEIGHTL, 0x90);
+ reg_w1(gspca_dev, R0F_AD_HEIGHTH, 0x01);
+ reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, 0x018f);
+ reg_w1(gspca_dev, R10_AD_COL_BEGINL, 0x44);
+ /* begin active line */
+ reg_w1(gspca_dev, R11_AD_COL_BEGINH, 0x00);
+ /* mirror and digital gain */
+ reg_w1(gspca_dev, R14_AD_ROW_BEGINL, 0x0a);
+
+ reg_w1(gspca_dev, R94_AD_BITCONTROL, 0x02);
+ reg_w1(gspca_dev, R91_AD_SLOPEREG, 0x00);
+ reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE);
+ /* = 0x84 */
+}
+
+/* this function is called at probe and resume time */
+static int sd_init(struct gspca_dev *gspca_dev)
+{
+ tv_8532WriteEEprom(gspca_dev);
+
+ return 0;
+}
+
+static void setexposure(struct gspca_dev *gspca_dev, s32 val)
+{
+ reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, val);
+ reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE);
+ /* 0x84 */
+}
+
+static void setgain(struct gspca_dev *gspca_dev, s32 val)
+{
+ reg_w2(gspca_dev, R20_GAIN_G1L, val);
+ reg_w2(gspca_dev, R22_GAIN_RL, val);
+ reg_w2(gspca_dev, R24_GAIN_BL, val);
+ reg_w2(gspca_dev, R26_GAIN_G2L, val);
+}
+
+/* -- start the camera -- */
+static int sd_start(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ reg_w1(gspca_dev, R0C_AD_WIDTHL, 0xe8); /* 0x20; 0x0c */
+ reg_w1(gspca_dev, R0D_AD_WIDTHH, 0x03);
+
+ /************************************************/
+ reg_w1(gspca_dev, R28_QUANT, 0x90);
+ /* 0x72 compressed mode 0x28 */
+ if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
+ /* 176x144 */
+ reg_w1(gspca_dev, R29_LINE, 0x41);
+ /* CIF - 2 lines/packet */
+ } else {
+ /* 352x288 */
+ reg_w1(gspca_dev, R29_LINE, 0x81);
+ /* CIF - 2 lines/packet */
+ }
+ /************************************************/
+ reg_w1(gspca_dev, R2C_POLARITY, 0x10); /* slow clock */
+ reg_w1(gspca_dev, R2D_POINT, 0x14);
+ reg_w1(gspca_dev, R2E_POINTH, 0x01);
+ reg_w1(gspca_dev, R2F_POINTB, 0x12);
+ reg_w1(gspca_dev, R30_POINTBH, 0x01);
+
+ tv_8532_setReg(gspca_dev);
+
+ /************************************************/
+ reg_w1(gspca_dev, R31_UPD, 0x01); /* update registers */
+ msleep(200);
+ reg_w1(gspca_dev, R31_UPD, 0x00); /* end update */
+
+ gspca_dev->empty_packet = 0; /* check the empty packets */
+ sd->packet = 0; /* ignore the first packets */
+
+ return 0;
+}
+
+static void sd_stopN(struct gspca_dev *gspca_dev)
+{
+ reg_w1(gspca_dev, R3B_Test3, 0x0b); /* Test0Sel = 11 = GPIO */
+}
+
+static void sd_pkt_scan(struct gspca_dev *gspca_dev,
+ u8 *data, /* isoc packet */
+ int len) /* iso packet length */
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int packet_type0, packet_type1;
+
+ packet_type0 = packet_type1 = INTER_PACKET;
+ if (gspca_dev->empty_packet) {
+ gspca_dev->empty_packet = 0;
+ sd->packet = gspca_dev->pixfmt.height / 2;
+ packet_type0 = FIRST_PACKET;
+ } else if (sd->packet == 0)
+ return; /* 2 more lines in 352x288 ! */
+ sd->packet--;
+ if (sd->packet == 0)
+ packet_type1 = LAST_PACKET;
+
+ /* each packet contains:
+ * - header 2 bytes
+ * - RGRG line
+ * - 4 bytes
+ * - GBGB line
+ * - 4 bytes
+ */
+ gspca_frame_add(gspca_dev, packet_type0,
+ data + 2, gspca_dev->pixfmt.width);
+ gspca_frame_add(gspca_dev, packet_type1,
+ data + gspca_dev->pixfmt.width + 5,
+ gspca_dev->pixfmt.width);
+}
+
+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_EXPOSURE:
+ setexposure(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_GAIN:
+ setgain(gspca_dev, ctrl->val);
+ 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, 2);
+ v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_EXPOSURE, 0, 0x18f, 1, 0x18f);
+ v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_GAIN, 0, 0x7ff, 1, 0x100);
+
+ 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,
+ .pkt_scan = sd_pkt_scan,
+};
+
+/* -- module initialisation -- */
+static const struct usb_device_id device_table[] = {
+ {USB_DEVICE(0x046d, 0x0920)},
+ {USB_DEVICE(0x046d, 0x0921)},
+ {USB_DEVICE(0x0545, 0x808b)},
+ {USB_DEVICE(0x0545, 0x8333)},
+ {USB_DEVICE(0x0923, 0x010f)},
+ {}
+};
+
+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);
Code Review / kvmfornfv.git / blobdiff