/* * 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 */ __u16 brightness; __u8 packet; }; /* 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 struct ctrl sd_ctrls[] = { { { .id = V4L2_CID_BRIGHTNESS, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Brightness", .minimum = 1, .maximum = 0x15f, /* = 352 - 1 */ .step = 1, #define BRIGHTNESS_DEF 0x14c .default_value = BRIGHTNESS_DEF, }, .set = sd_setbrightness, .get = sd_getbrightness, }, }; 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 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}, }; static int reg_r(struct gspca_dev *gspca_dev, __u16 index) { usb_control_msg(gspca_dev->dev, usb_rcvctrlpipe(gspca_dev->dev, 0), 0x03, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, /* value */ index, gspca_dev->usb_buf, 1, 500); return gspca_dev->usb_buf[0]; } /* 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); msleep(10); } /* 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; struct cam *cam; cam = &gspca_dev->cam; cam->cam_mode = sif_mode; cam->nmodes = ARRAY_SIZE(sif_mode); sd->brightness = BRIGHTNESS_DEF; return 0; } static void tv_8532ReadRegisters(struct gspca_dev *gspca_dev) { int i; static u8 reg_tb[] = { R0C_AD_WIDTHL, R0D_AD_WIDTHH, R28_QUANT, R29_LINE, R2C_POLARITY, R2D_POINT, R2E_POINTH, R2F_POINTB, R30_POINTBH, R2A_HIGH_BUDGET, R2B_LOW_BUDGET, R34_VID, R35_VIDH, R36_PID, R37_PIDH, R83_AD_IDH, R10_AD_COL_BEGINL, R11_AD_COL_BEGINH, R14_AD_ROW_BEGINL, R15_AD_ROWBEGINH, 0 }; i = 0; do { reg_r(gspca_dev, reg_tb[i]); i++; } while (reg_tb[i] != 0); } static void tv_8532_setReg(struct gspca_dev *gspca_dev) { 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, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE); /* = 0x84 */ 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, R91_AD_SLOPEREG, 0x00); reg_w1(gspca_dev, R94_AD_BITCONTROL, 0x02); reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Close); reg_w1(gspca_dev, R91_AD_SLOPEREG, 0x00); reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE); /* = 0x84 */ } static void tv_8532_PollReg(struct gspca_dev *gspca_dev) { int i; /* strange polling from tgc */ for (i = 0; i < 10; i++) { reg_w1(gspca_dev, R2C_POLARITY, 0x10); reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE); reg_w1(gspca_dev, R31_UPD, 0x01); } } /* this function is called at probe and resume time */ static int sd_init(struct gspca_dev *gspca_dev) { tv_8532WriteEEprom(gspca_dev); reg_w1(gspca_dev, R91_AD_SLOPEREG, 0x32); /* slope begin 1,7V, * slope rate 2 */ reg_w1(gspca_dev, R94_AD_BITCONTROL, 0x00); tv_8532ReadRegisters(gspca_dev); reg_w1(gspca_dev, R3B_Test3, 0x0b); reg_w2(gspca_dev, R0E_AD_HEIGHTL, 0x0190); reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, 0x018f); reg_w1(gspca_dev, R0C_AD_WIDTHL, 0xe8); reg_w1(gspca_dev, R0D_AD_WIDTHH, 0x03); /*******************************************************************/ reg_w1(gspca_dev, R28_QUANT, 0x90); /* no compress - fixed Q - quant 0 */ reg_w1(gspca_dev, R29_LINE, 0x81); /* 0x84; // CIF | 4 packet 0x29 */ /************************************************/ reg_w1(gspca_dev, R2C_POLARITY, 0x10); /* 0x48; //0x08; 0x2c */ reg_w1(gspca_dev, R2D_POINT, 0x14); /* 0x38; 0x2d */ reg_w1(gspca_dev, R2E_POINTH, 0x01); /* 0x04; 0x2e */ reg_w1(gspca_dev, R2F_POINTB, 0x12); /* 0x04; 0x2f */ reg_w1(gspca_dev, R30_POINTBH, 0x01); /* 0x04; 0x30 */ reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE); /* 0x00<-0x84 */ /*************************************************/ reg_w1(gspca_dev, R31_UPD, 0x01); /* update registers */ msleep(200); reg_w1(gspca_dev, R31_UPD, 0x00); /* end update */ /*************************************************/ tv_8532_setReg(gspca_dev); /*************************************************/ reg_w1(gspca_dev, R3B_Test3, 0x0b); /* Test0Sel = 11 = GPIO */ /*************************************************/ tv_8532_setReg(gspca_dev); /*************************************************/ tv_8532_PollReg(gspca_dev); return 0; } static void setbrightness(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, sd->brightness); reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE); /* 0x84 */ } /* -- start the camera -- */ static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; reg_w1(gspca_dev, R91_AD_SLOPEREG, 0x32); /* slope begin 1,7V, * slope rate 2 */ reg_w1(gspca_dev, R94_AD_BITCONTROL, 0x00); tv_8532ReadRegisters(gspca_dev); reg_w1(gspca_dev, R3B_Test3, 0x0b); reg_w2(gspca_dev, R0E_AD_HEIGHTL, 0x0190); setbrightness(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); reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE); /************************************************/ reg_w1(gspca_dev, R31_UPD, 0x01); /* update registers */ msleep(200); reg_w1(gspca_dev, R31_UPD, 0x00); /* end update */ /************************************************/ tv_8532_setReg(gspca_dev); /************************************************/ reg_w1(gspca_dev, R3B_Test3, 0x0b); /* Test0Sel = 11 = GPIO */ /************************************************/ tv_8532_setReg(gspca_dev); /************************************************/ tv_8532_PollReg(gspca_dev); 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->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->width); gspca_frame_add(gspca_dev, packet_type1, data + gspca_dev->width + 5, gspca_dev->width); } 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) setbrightness(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; } /* 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, .pkt_scan = sd_pkt_scan, }; /* -- module initialisation -- */ static const __devinitdata 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, #endif }; /* -- module insert / remove -- */ static int __init sd_mod_init(void) { int ret; ret = usb_register(&sd_driver); if (ret < 0) return ret; PDEBUG(D_PROBE, "registered"); return 0; } static void __exit sd_mod_exit(void) { usb_deregister(&sd_driver); PDEBUG(D_PROBE, "deregistered"); } module_init(sd_mod_init); module_exit(sd_mod_exit);