diff options
Diffstat (limited to 'drivers/media/usb/gspca/stv06xx')
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/Makefile | 11 | ||||
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/stv06xx.c | 656 | ||||
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/stv06xx.h | 112 | ||||
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c | 540 | ||||
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.h | 202 | ||||
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c | 441 | ||||
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.h | 140 | ||||
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/stv06xx_sensor.h | 83 | ||||
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/stv06xx_st6422.c | 283 | ||||
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/stv06xx_st6422.h | 48 | ||||
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/stv06xx_vv6410.c | 274 | ||||
| -rw-r--r-- | drivers/media/usb/gspca/stv06xx/stv06xx_vv6410.h | 251 |
13 files changed, 3050 insertions, 0 deletions
diff --git a/drivers/media/usb/gspca/stv06xx/Kconfig b/drivers/media/usb/gspca/stv06xx/Kconfig new file mode 100644 index 000000000..634ad38d9 --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/Kconfig @@ -0,0 +1,9 @@ +config USB_STV06XX + tristate "STV06XX USB Camera Driver" + depends on USB_GSPCA + help + Say Y here if you want support for cameras based on + the ST STV06XX chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_stv06xx. diff --git a/drivers/media/usb/gspca/stv06xx/Makefile b/drivers/media/usb/gspca/stv06xx/Makefile new file mode 100644 index 000000000..c4d7206e0 --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/Makefile @@ -0,0 +1,11 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-$(CONFIG_USB_STV06XX) += gspca_stv06xx.o + +gspca_stv06xx-objs := stv06xx.o \ + stv06xx_vv6410.o \ + stv06xx_hdcs.o \ + stv06xx_pb0100.o \ + stv06xx_st6422.o + +ccflags-y += -I$(srctree)/drivers/media/usb/gspca + diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx.c b/drivers/media/usb/gspca/stv06xx/stv06xx.c new file mode 100644 index 000000000..ccec6138f --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/stv06xx.c @@ -0,0 +1,656 @@ +/* + * 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. + * + * 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 + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/input.h> +#include "stv06xx_sensor.h" + +MODULE_AUTHOR("Erik Andrén"); +MODULE_DESCRIPTION("STV06XX USB Camera Driver"); +MODULE_LICENSE("GPL"); + +static bool dump_bridge; +static bool dump_sensor; + +int stv06xx_write_bridge(struct sd *sd, u16 address, u16 i2c_data) +{ + int err; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + u8 len = (i2c_data > 0xff) ? 2 : 1; + + buf[0] = i2c_data & 0xff; + buf[1] = (i2c_data >> 8) & 0xff; + + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, address, 0, buf, len, + STV06XX_URB_MSG_TIMEOUT); + + gspca_dbg(gspca_dev, D_CONF, "Written 0x%x to address 0x%x, status: %d\n", + i2c_data, address, err); + + return (err < 0) ? err : 0; +} + +int stv06xx_read_bridge(struct sd *sd, u16 address, u8 *i2c_data) +{ + int err; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + err = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + 0x04, 0xc0, address, 0, buf, 1, + STV06XX_URB_MSG_TIMEOUT); + + *i2c_data = buf[0]; + + gspca_dbg(gspca_dev, D_CONF, "Reading 0x%x from address 0x%x, status %d\n", + *i2c_data, address, err); + + return (err < 0) ? err : 0; +} + +/* Wraps the normal write sensor bytes / words functions for writing a + single value */ +int stv06xx_write_sensor(struct sd *sd, u8 address, u16 value) +{ + if (sd->sensor->i2c_len == 2) { + u16 data[2] = { address, value }; + return stv06xx_write_sensor_words(sd, data, 1); + } else { + u8 data[2] = { address, value }; + return stv06xx_write_sensor_bytes(sd, data, 1); + } +} + +static int stv06xx_write_sensor_finish(struct sd *sd) +{ + int err = 0; + + if (sd->bridge == BRIDGE_STV610) { + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + buf[0] = 0; + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, 0x1704, 0, buf, 1, + STV06XX_URB_MSG_TIMEOUT); + } + + return (err < 0) ? err : 0; +} + +int stv06xx_write_sensor_bytes(struct sd *sd, const u8 *data, u8 len) +{ + int err, i, j; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + gspca_dbg(gspca_dev, D_CONF, "I2C: Command buffer contains %d entries\n", + len); + for (i = 0; i < len;) { + /* Build the command buffer */ + memset(buf, 0, I2C_BUFFER_LENGTH); + for (j = 0; j < I2C_MAX_BYTES && i < len; j++, i++) { + buf[j] = data[2*i]; + buf[0x10 + j] = data[2*i+1]; + gspca_dbg(gspca_dev, D_CONF, "I2C: Writing 0x%02x to reg 0x%02x\n", + data[2*i+1], data[2*i]); + } + buf[0x20] = sd->sensor->i2c_addr; + buf[0x21] = j - 1; /* Number of commands to send - 1 */ + buf[0x22] = I2C_WRITE_CMD; + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, 0x0400, 0, buf, + I2C_BUFFER_LENGTH, + STV06XX_URB_MSG_TIMEOUT); + if (err < 0) + return err; + } + return stv06xx_write_sensor_finish(sd); +} + +int stv06xx_write_sensor_words(struct sd *sd, const u16 *data, u8 len) +{ + int err, i, j; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + gspca_dbg(gspca_dev, D_CONF, "I2C: Command buffer contains %d entries\n", + len); + + for (i = 0; i < len;) { + /* Build the command buffer */ + memset(buf, 0, I2C_BUFFER_LENGTH); + for (j = 0; j < I2C_MAX_WORDS && i < len; j++, i++) { + buf[j] = data[2*i]; + buf[0x10 + j * 2] = data[2*i+1]; + buf[0x10 + j * 2 + 1] = data[2*i+1] >> 8; + gspca_dbg(gspca_dev, D_CONF, "I2C: Writing 0x%04x to reg 0x%02x\n", + data[2*i+1], data[2*i]); + } + buf[0x20] = sd->sensor->i2c_addr; + buf[0x21] = j - 1; /* Number of commands to send - 1 */ + buf[0x22] = I2C_WRITE_CMD; + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, 0x0400, 0, buf, + I2C_BUFFER_LENGTH, + STV06XX_URB_MSG_TIMEOUT); + if (err < 0) + return err; + } + return stv06xx_write_sensor_finish(sd); +} + +int stv06xx_read_sensor(struct sd *sd, const u8 address, u16 *value) +{ + int err; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + err = stv06xx_write_bridge(sd, STV_I2C_FLUSH, sd->sensor->i2c_flush); + if (err < 0) + return err; + + /* Clear mem */ + memset(buf, 0, I2C_BUFFER_LENGTH); + + buf[0] = address; + buf[0x20] = sd->sensor->i2c_addr; + buf[0x21] = 0; + + /* Read I2C register */ + buf[0x22] = I2C_READ_CMD; + + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, 0x1400, 0, buf, I2C_BUFFER_LENGTH, + STV06XX_URB_MSG_TIMEOUT); + if (err < 0) { + pr_err("I2C: Read error writing address: %d\n", err); + return err; + } + + err = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + 0x04, 0xc0, 0x1410, 0, buf, sd->sensor->i2c_len, + STV06XX_URB_MSG_TIMEOUT); + if (sd->sensor->i2c_len == 2) + *value = buf[0] | (buf[1] << 8); + else + *value = buf[0]; + + gspca_dbg(gspca_dev, D_CONF, "I2C: Read 0x%x from address 0x%x, status: %d\n", + *value, address, err); + + return (err < 0) ? err : 0; +} + +/* Dumps all bridge registers */ +static void stv06xx_dump_bridge(struct sd *sd) +{ + int i; + u8 data, buf; + + pr_info("Dumping all stv06xx bridge registers\n"); + for (i = 0x1400; i < 0x160f; i++) { + stv06xx_read_bridge(sd, i, &data); + + pr_info("Read 0x%x from address 0x%x\n", data, i); + } + + pr_info("Testing stv06xx bridge registers for writability\n"); + for (i = 0x1400; i < 0x160f; i++) { + stv06xx_read_bridge(sd, i, &data); + buf = data; + + stv06xx_write_bridge(sd, i, 0xff); + stv06xx_read_bridge(sd, i, &data); + if (data == 0xff) + pr_info("Register 0x%x is read/write\n", i); + else if (data != buf) + pr_info("Register 0x%x is read/write, but only partially\n", + i); + else + pr_info("Register 0x%x is read-only\n", i); + + stv06xx_write_bridge(sd, i, buf); + } +} + +/* this function is called at probe and resume time */ +static int stv06xx_init(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + int err; + + gspca_dbg(gspca_dev, D_PROBE, "Initializing camera\n"); + + /* Let the usb init settle for a bit + before performing the initialization */ + msleep(250); + + err = sd->sensor->init(sd); + + if (dump_sensor && sd->sensor->dump) + sd->sensor->dump(sd); + + return (err < 0) ? err : 0; +} + +/* this function is called at probe time */ +static int stv06xx_init_controls(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + gspca_dbg(gspca_dev, D_PROBE, "Initializing controls\n"); + + gspca_dev->vdev.ctrl_handler = &gspca_dev->ctrl_handler; + return sd->sensor->init_controls(sd); +} + +/* Start the camera */ +static int stv06xx_start(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct usb_host_interface *alt; + struct usb_interface *intf; + int err, packet_size; + + 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) { + gspca_err(gspca_dev, "Couldn't get altsetting\n"); + return -EIO; + } + + if (alt->desc.bNumEndpoints < 1) + return -ENODEV; + + packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); + err = stv06xx_write_bridge(sd, STV_ISO_SIZE_L, packet_size); + if (err < 0) + return err; + + /* Prepare the sensor for start */ + err = sd->sensor->start(sd); + if (err < 0) + goto out; + + /* Start isochronous streaming */ + err = stv06xx_write_bridge(sd, STV_ISO_ENABLE, 1); + +out: + if (err < 0) + gspca_dbg(gspca_dev, D_STREAM, "Starting stream failed\n"); + else + gspca_dbg(gspca_dev, D_STREAM, "Started streaming\n"); + + return (err < 0) ? err : 0; +} + +static int stv06xx_isoc_init(struct gspca_dev *gspca_dev) +{ + struct usb_interface_cache *intfc; + struct usb_host_interface *alt; + struct sd *sd = (struct sd *) gspca_dev; + + intfc = gspca_dev->dev->actconfig->intf_cache[0]; + + if (intfc->num_altsetting < 2) + return -ENODEV; + + alt = &intfc->altsetting[1]; + + if (alt->desc.bNumEndpoints < 1) + return -ENODEV; + + /* Start isoc bandwidth "negotiation" at max isoc bandwidth */ + alt->endpoint[0].desc.wMaxPacketSize = + cpu_to_le16(sd->sensor->max_packet_size[gspca_dev->curr_mode]); + + return 0; +} + +static int stv06xx_isoc_nego(struct gspca_dev *gspca_dev) +{ + int ret, packet_size, min_packet_size; + struct usb_host_interface *alt; + struct sd *sd = (struct sd *) gspca_dev; + + /* + * Existence of altsetting and endpoint was verified in + * stv06xx_isoc_init() + */ + alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1]; + packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); + min_packet_size = sd->sensor->min_packet_size[gspca_dev->curr_mode]; + if (packet_size <= min_packet_size) + return -EIO; + + packet_size -= 100; + if (packet_size < min_packet_size) + packet_size = min_packet_size; + alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(packet_size); + + ret = usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1); + if (ret < 0) + gspca_err(gspca_dev, "set alt 1 err %d\n", ret); + + return ret; +} + +static void stv06xx_stopN(struct gspca_dev *gspca_dev) +{ + int err; + struct sd *sd = (struct sd *) gspca_dev; + + /* stop ISO-streaming */ + err = stv06xx_write_bridge(sd, STV_ISO_ENABLE, 0); + if (err < 0) + goto out; + + err = sd->sensor->stop(sd); + +out: + if (err < 0) + gspca_dbg(gspca_dev, D_STREAM, "Failed to stop stream\n"); + else + gspca_dbg(gspca_dev, D_STREAM, "Stopped streaming\n"); +} + +/* + * Analyse an USB packet of the data stream and store it appropriately. + * Each packet contains an integral number of chunks. Each chunk has + * 2-bytes identification, followed by 2-bytes that describe the chunk + * length. Known/guessed chunk identifications are: + * 8001/8005/C001/C005 - Begin new frame + * 8002/8006/C002/C006 - End frame + * 0200/4200 - Contains actual image data, bayer or compressed + * 0005 - 11 bytes of unknown data + * 0100 - 2 bytes of unknown data + * The 0005 and 0100 chunks seem to appear only in compressed stream. + */ +static void stv06xx_pkt_scan(struct gspca_dev *gspca_dev, + u8 *data, /* isoc packet */ + int len) /* iso packet length */ +{ + struct sd *sd = (struct sd *) gspca_dev; + + gspca_dbg(gspca_dev, D_PACK, "Packet of length %d arrived\n", len); + + /* A packet may contain several frames + loop until the whole packet is reached */ + while (len) { + int id, chunk_len; + + if (len < 4) { + gspca_dbg(gspca_dev, D_PACK, "Packet is smaller than 4 bytes\n"); + return; + } + + /* Capture the id */ + id = (data[0] << 8) | data[1]; + + /* Capture the chunk length */ + chunk_len = (data[2] << 8) | data[3]; + gspca_dbg(gspca_dev, D_PACK, "Chunk id: %x, length: %d\n", + id, chunk_len); + + data += 4; + len -= 4; + + if (len < chunk_len) { + gspca_err(gspca_dev, "URB packet length is smaller than the specified chunk length\n"); + gspca_dev->last_packet_type = DISCARD_PACKET; + return; + } + + /* First byte seem to be 02=data 2nd byte is unknown??? */ + if (sd->bridge == BRIDGE_ST6422 && (id & 0xff00) == 0x0200) + goto frame_data; + + switch (id) { + case 0x0200: + case 0x4200: +frame_data: + gspca_dbg(gspca_dev, D_PACK, "Frame data packet detected\n"); + + if (sd->to_skip) { + int skip = (sd->to_skip < chunk_len) ? + sd->to_skip : chunk_len; + data += skip; + len -= skip; + chunk_len -= skip; + sd->to_skip -= skip; + } + + gspca_frame_add(gspca_dev, INTER_PACKET, + data, chunk_len); + break; + + case 0x8001: + case 0x8005: + case 0xc001: + case 0xc005: + gspca_dbg(gspca_dev, D_PACK, "Starting new frame\n"); + + /* Create a new frame, chunk length should be zero */ + gspca_frame_add(gspca_dev, FIRST_PACKET, + NULL, 0); + + if (sd->bridge == BRIDGE_ST6422) + sd->to_skip = gspca_dev->pixfmt.width * 4; + + if (chunk_len) + gspca_err(gspca_dev, "Chunk length is non-zero on a SOF\n"); + break; + + case 0x8002: + case 0x8006: + case 0xc002: + gspca_dbg(gspca_dev, D_PACK, "End of frame detected\n"); + + /* Complete the last frame (if any) */ + gspca_frame_add(gspca_dev, LAST_PACKET, + NULL, 0); + + if (chunk_len) + gspca_err(gspca_dev, "Chunk length is non-zero on a EOF\n"); + break; + + case 0x0005: + gspca_dbg(gspca_dev, D_PACK, "Chunk 0x005 detected\n"); + /* Unknown chunk with 11 bytes of data, + occurs just before end of each frame + in compressed mode */ + break; + + case 0x0100: + gspca_dbg(gspca_dev, D_PACK, "Chunk 0x0100 detected\n"); + /* Unknown chunk with 2 bytes of data, + occurs 2-3 times per USB interrupt */ + break; + case 0x42ff: + gspca_dbg(gspca_dev, D_PACK, "Chunk 0x42ff detected\n"); + /* Special chunk seen sometimes on the ST6422 */ + break; + default: + gspca_dbg(gspca_dev, D_PACK, "Unknown chunk 0x%04x detected\n", + id); + /* Unknown chunk */ + } + data += chunk_len; + len -= chunk_len; + } +} + +#if IS_ENABLED(CONFIG_INPUT) +static int sd_int_pkt_scan(struct gspca_dev *gspca_dev, + u8 *data, /* interrupt packet data */ + int len) /* interrupt packet length */ +{ + int ret = -EINVAL; + + if (len == 1 && (data[0] == 0x80 || data[0] == 0x10)) { + input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1); + input_sync(gspca_dev->input_dev); + ret = 0; + } + + if (len == 1 && (data[0] == 0x88 || data[0] == 0x11)) { + input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0); + input_sync(gspca_dev->input_dev); + ret = 0; + } + + return ret; +} +#endif + +static int stv06xx_config(struct gspca_dev *gspca_dev, + const struct usb_device_id *id); + +static void stv06xx_probe_error(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *)gspca_dev; + + kfree(sd->sensor_priv); + sd->sensor_priv = NULL; +} + +/* sub-driver description */ +static const struct sd_desc sd_desc = { + .name = MODULE_NAME, + .config = stv06xx_config, + .init = stv06xx_init, + .init_controls = stv06xx_init_controls, + .probe_error = stv06xx_probe_error, + .start = stv06xx_start, + .stopN = stv06xx_stopN, + .pkt_scan = stv06xx_pkt_scan, + .isoc_init = stv06xx_isoc_init, + .isoc_nego = stv06xx_isoc_nego, +#if IS_ENABLED(CONFIG_INPUT) + .int_pkt_scan = sd_int_pkt_scan, +#endif +}; + +/* This function is called at probe time */ +static int stv06xx_config(struct gspca_dev *gspca_dev, + const struct usb_device_id *id) +{ + struct sd *sd = (struct sd *) gspca_dev; + + gspca_dbg(gspca_dev, D_PROBE, "Configuring camera\n"); + + sd->bridge = id->driver_info; + gspca_dev->sd_desc = &sd_desc; + + if (dump_bridge) + stv06xx_dump_bridge(sd); + + sd->sensor = &stv06xx_sensor_st6422; + if (!sd->sensor->probe(sd)) + return 0; + + sd->sensor = &stv06xx_sensor_vv6410; + if (!sd->sensor->probe(sd)) + return 0; + + sd->sensor = &stv06xx_sensor_hdcs1x00; + if (!sd->sensor->probe(sd)) + return 0; + + sd->sensor = &stv06xx_sensor_hdcs1020; + if (!sd->sensor->probe(sd)) + return 0; + + sd->sensor = &stv06xx_sensor_pb0100; + if (!sd->sensor->probe(sd)) + return 0; + + sd->sensor = NULL; + return -ENODEV; +} + + + +/* -- module initialisation -- */ +static const struct usb_device_id device_table[] = { + {USB_DEVICE(0x046d, 0x0840), .driver_info = BRIDGE_STV600 }, /* QuickCam Express */ + {USB_DEVICE(0x046d, 0x0850), .driver_info = BRIDGE_STV610 }, /* LEGO cam / QuickCam Web */ + {USB_DEVICE(0x046d, 0x0870), .driver_info = BRIDGE_STV602 }, /* Dexxa WebCam USB */ + {USB_DEVICE(0x046D, 0x08F0), .driver_info = BRIDGE_ST6422 }, /* QuickCam Messenger */ + {USB_DEVICE(0x046D, 0x08F5), .driver_info = BRIDGE_ST6422 }, /* QuickCam Communicate */ + {USB_DEVICE(0x046D, 0x08F6), .driver_info = BRIDGE_ST6422 }, /* QuickCam Messenger (new) */ + {} +}; +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 void sd_disconnect(struct usb_interface *intf) +{ + struct gspca_dev *gspca_dev = usb_get_intfdata(intf); + struct sd *sd = (struct sd *) gspca_dev; + void *priv = sd->sensor_priv; + gspca_dbg(gspca_dev, D_PROBE, "Disconnecting the stv06xx device\n"); + + sd->sensor = NULL; + gspca_disconnect(intf); + kfree(priv); +} + +static struct usb_driver sd_driver = { + .name = MODULE_NAME, + .id_table = device_table, + .probe = sd_probe, + .disconnect = sd_disconnect, +#ifdef CONFIG_PM + .suspend = gspca_suspend, + .resume = gspca_resume, + .reset_resume = gspca_resume, +#endif +}; + +module_usb_driver(sd_driver); + +module_param(dump_bridge, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(dump_bridge, "Dumps all usb bridge registers at startup"); + +module_param(dump_sensor, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(dump_sensor, "Dumps all sensor registers at startup"); diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx.h b/drivers/media/usb/gspca/stv06xx/stv06xx.h new file mode 100644 index 000000000..480186706 --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/stv06xx.h @@ -0,0 +1,112 @@ +/* + * 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. + * + * 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 + */ + +#ifndef STV06XX_H_ +#define STV06XX_H_ + +#include <linux/slab.h> +#include "gspca.h" + +#define MODULE_NAME "STV06xx" + +#define STV_ISOC_ENDPOINT_ADDR 0x81 + +#define STV_R 0x0509 + +#define STV_REG23 0x0423 + +/* Control registers of the STV0600 ASIC */ +#define STV_I2C_PARTNER 0x1420 +#define STV_I2C_VAL_REG_VAL_PAIRS_MIN1 0x1421 +#define STV_I2C_READ_WRITE_TOGGLE 0x1422 +#define STV_I2C_FLUSH 0x1423 +#define STV_I2C_SUCC_READ_REG_VALS 0x1424 + +#define STV_ISO_ENABLE 0x1440 +#define STV_SCAN_RATE 0x1443 +#define STV_LED_CTRL 0x1445 +#define STV_STV0600_EMULATION 0x1446 +#define STV_REG00 0x1500 +#define STV_REG01 0x1501 +#define STV_REG02 0x1502 +#define STV_REG03 0x1503 +#define STV_REG04 0x1504 + +#define STV_ISO_SIZE_L 0x15c1 +#define STV_ISO_SIZE_H 0x15c2 + +/* Refers to the CIF 352x288 and QCIF 176x144 */ +/* 1: 288 lines, 2: 144 lines */ +#define STV_Y_CTRL 0x15c3 + +#define STV_RESET 0x1620 + +/* 0xa: 352 columns, 0x6: 176 columns */ +#define STV_X_CTRL 0x1680 + +#define STV06XX_URB_MSG_TIMEOUT 5000 + +#define I2C_MAX_BYTES 16 +#define I2C_MAX_WORDS 8 + +#define I2C_BUFFER_LENGTH 0x23 +#define I2C_READ_CMD 3 +#define I2C_WRITE_CMD 1 + +#define LED_ON 1 +#define LED_OFF 0 + +/* STV06xx device descriptor */ +struct sd { + struct gspca_dev gspca_dev; + + /* A pointer to the currently connected sensor */ + const struct stv06xx_sensor *sensor; + + /* Sensor private data */ + void *sensor_priv; + + /* The first 4 lines produced by the stv6422 are no good, this keeps + track of how many bytes we still need to skip during a frame */ + int to_skip; + + /* Bridge / Camera type */ + u8 bridge; + #define BRIDGE_STV600 0 + #define BRIDGE_STV602 1 + #define BRIDGE_STV610 2 + #define BRIDGE_ST6422 3 /* With integrated sensor */ +}; + +int stv06xx_write_bridge(struct sd *sd, u16 address, u16 i2c_data); +int stv06xx_read_bridge(struct sd *sd, u16 address, u8 *i2c_data); + +int stv06xx_write_sensor_bytes(struct sd *sd, const u8 *data, u8 len); +int stv06xx_write_sensor_words(struct sd *sd, const u16 *data, u8 len); + +int stv06xx_read_sensor(struct sd *sd, const u8 address, u16 *value); +int stv06xx_write_sensor(struct sd *sd, u8 address, u16 value); + +#endif diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c b/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c new file mode 100644 index 000000000..d8db2c897 --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c @@ -0,0 +1,540 @@ +/* + * 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 + * Copyright (c) 2008 Chia-I Wu + * + * 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. + * + * 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 + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "stv06xx_hdcs.h" + +static struct v4l2_pix_format hdcs1x00_mode[] = { + { + HDCS_1X00_DEF_WIDTH, + HDCS_1X00_DEF_HEIGHT, + V4L2_PIX_FMT_SGRBG8, + V4L2_FIELD_NONE, + .sizeimage = + HDCS_1X00_DEF_WIDTH * HDCS_1X00_DEF_HEIGHT, + .bytesperline = HDCS_1X00_DEF_WIDTH, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 1 + } +}; + +static struct v4l2_pix_format hdcs1020_mode[] = { + { + HDCS_1020_DEF_WIDTH, + HDCS_1020_DEF_HEIGHT, + V4L2_PIX_FMT_SGRBG8, + V4L2_FIELD_NONE, + .sizeimage = + HDCS_1020_DEF_WIDTH * HDCS_1020_DEF_HEIGHT, + .bytesperline = HDCS_1020_DEF_WIDTH, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 1 + } +}; + +enum hdcs_power_state { + HDCS_STATE_SLEEP, + HDCS_STATE_IDLE, + HDCS_STATE_RUN +}; + +/* no lock? */ +struct hdcs { + enum hdcs_power_state state; + int w, h; + + /* visible area of the sensor array */ + struct { + int left, top; + int width, height; + int border; + } array; + + struct { + /* Column timing overhead */ + u8 cto; + /* Column processing overhead */ + u8 cpo; + /* Row sample period constant */ + u16 rs; + /* Exposure reset duration */ + u16 er; + } exp; + + int psmp; +}; + +static int hdcs_reg_write_seq(struct sd *sd, u8 reg, u8 *vals, u8 len) +{ + u8 regs[I2C_MAX_BYTES * 2]; + int i; + + if (unlikely((len <= 0) || (len >= I2C_MAX_BYTES) || + (reg + len > 0xff))) + return -EINVAL; + + for (i = 0; i < len; i++) { + regs[2 * i] = reg; + regs[2 * i + 1] = vals[i]; + /* All addresses are shifted left one bit + * as bit 0 toggles r/w */ + reg += 2; + } + + return stv06xx_write_sensor_bytes(sd, regs, len); +} + +static int hdcs_set_state(struct sd *sd, enum hdcs_power_state state) +{ + struct hdcs *hdcs = sd->sensor_priv; + u8 val; + int ret; + + if (hdcs->state == state) + return 0; + + /* we need to go idle before running or sleeping */ + if (hdcs->state != HDCS_STATE_IDLE) { + ret = stv06xx_write_sensor(sd, HDCS_REG_CONTROL(sd), 0); + if (ret) + return ret; + } + + hdcs->state = HDCS_STATE_IDLE; + + if (state == HDCS_STATE_IDLE) + return 0; + + switch (state) { + case HDCS_STATE_SLEEP: + val = HDCS_SLEEP_MODE; + break; + + case HDCS_STATE_RUN: + val = HDCS_RUN_ENABLE; + break; + + default: + return -EINVAL; + } + + ret = stv06xx_write_sensor(sd, HDCS_REG_CONTROL(sd), val); + + /* Update the state if the write succeeded */ + if (!ret) + hdcs->state = state; + + return ret; +} + +static int hdcs_reset(struct sd *sd) +{ + struct hdcs *hdcs = sd->sensor_priv; + int err; + + err = stv06xx_write_sensor(sd, HDCS_REG_CONTROL(sd), 1); + if (err < 0) + return err; + + err = stv06xx_write_sensor(sd, HDCS_REG_CONTROL(sd), 0); + if (err < 0) + hdcs->state = HDCS_STATE_IDLE; + + return err; +} + +static int hdcs_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct hdcs *hdcs = sd->sensor_priv; + int rowexp, srowexp; + int max_srowexp; + /* Column time period */ + int ct; + /* Column processing period */ + int cp; + /* Row processing period */ + int rp; + /* Minimum number of column timing periods + within the column processing period */ + int mnct; + int cycles, err; + u8 exp[14]; + + cycles = val * HDCS_CLK_FREQ_MHZ * 257; + + ct = hdcs->exp.cto + hdcs->psmp + (HDCS_ADC_START_SIG_DUR + 2); + cp = hdcs->exp.cto + (hdcs->w * ct / 2); + + /* the cycles one row takes */ + rp = hdcs->exp.rs + cp; + + rowexp = cycles / rp; + + /* the remaining cycles */ + cycles -= rowexp * rp; + + /* calculate sub-row exposure */ + if (IS_1020(sd)) { + /* see HDCS-1020 datasheet 3.5.6.4, p. 63 */ + srowexp = hdcs->w - (cycles + hdcs->exp.er + 13) / ct; + + mnct = (hdcs->exp.er + 12 + ct - 1) / ct; + max_srowexp = hdcs->w - mnct; + } else { + /* see HDCS-1000 datasheet 3.4.5.5, p. 61 */ + srowexp = cp - hdcs->exp.er - 6 - cycles; + + mnct = (hdcs->exp.er + 5 + ct - 1) / ct; + max_srowexp = cp - mnct * ct - 1; + } + + if (srowexp < 0) + srowexp = 0; + else if (srowexp > max_srowexp) + srowexp = max_srowexp; + + if (IS_1020(sd)) { + exp[0] = HDCS20_CONTROL; + exp[1] = 0x00; /* Stop streaming */ + exp[2] = HDCS_ROWEXPL; + exp[3] = rowexp & 0xff; + exp[4] = HDCS_ROWEXPH; + exp[5] = rowexp >> 8; + exp[6] = HDCS20_SROWEXP; + exp[7] = (srowexp >> 2) & 0xff; + exp[8] = HDCS20_ERROR; + exp[9] = 0x10; /* Clear exposure error flag*/ + exp[10] = HDCS20_CONTROL; + exp[11] = 0x04; /* Restart streaming */ + err = stv06xx_write_sensor_bytes(sd, exp, 6); + } else { + exp[0] = HDCS00_CONTROL; + exp[1] = 0x00; /* Stop streaming */ + exp[2] = HDCS_ROWEXPL; + exp[3] = rowexp & 0xff; + exp[4] = HDCS_ROWEXPH; + exp[5] = rowexp >> 8; + exp[6] = HDCS00_SROWEXPL; + exp[7] = srowexp & 0xff; + exp[8] = HDCS00_SROWEXPH; + exp[9] = srowexp >> 8; + exp[10] = HDCS_STATUS; + exp[11] = 0x10; /* Clear exposure error flag*/ + exp[12] = HDCS00_CONTROL; + exp[13] = 0x04; /* Restart streaming */ + err = stv06xx_write_sensor_bytes(sd, exp, 7); + if (err < 0) + return err; + } + gspca_dbg(gspca_dev, D_CONF, "Writing exposure %d, rowexp %d, srowexp %d\n", + val, rowexp, srowexp); + return err; +} + +static int hdcs_set_gains(struct sd *sd, u8 g) +{ + int err; + u8 gains[4]; + + /* the voltage gain Av = (1 + 19 * val / 127) * (1 + bit7) */ + if (g > 127) + g = 0x80 | (g / 2); + + gains[0] = g; + gains[1] = g; + gains[2] = g; + gains[3] = g; + + err = hdcs_reg_write_seq(sd, HDCS_ERECPGA, gains, 4); + return err; +} + +static int hdcs_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + gspca_dbg(gspca_dev, D_CONF, "Writing gain %d\n", val); + return hdcs_set_gains((struct sd *) gspca_dev, + val & 0xff); +} + +static int hdcs_set_size(struct sd *sd, + unsigned int width, unsigned int height) +{ + struct hdcs *hdcs = sd->sensor_priv; + u8 win[4]; + unsigned int x, y; + int err; + + /* must be multiple of 4 */ + width = (width + 3) & ~0x3; + height = (height + 3) & ~0x3; + + if (width > hdcs->array.width) + width = hdcs->array.width; + + if (IS_1020(sd)) { + /* the borders are also invalid */ + if (height + 2 * hdcs->array.border + HDCS_1020_BOTTOM_Y_SKIP + > hdcs->array.height) + height = hdcs->array.height - 2 * hdcs->array.border - + HDCS_1020_BOTTOM_Y_SKIP; + + y = (hdcs->array.height - HDCS_1020_BOTTOM_Y_SKIP - height) / 2 + + hdcs->array.top; + } else { + if (height > hdcs->array.height) + height = hdcs->array.height; + + y = hdcs->array.top + (hdcs->array.height - height) / 2; + } + + x = hdcs->array.left + (hdcs->array.width - width) / 2; + + win[0] = y / 4; + win[1] = x / 4; + win[2] = (y + height) / 4 - 1; + win[3] = (x + width) / 4 - 1; + + err = hdcs_reg_write_seq(sd, HDCS_FWROW, win, 4); + if (err < 0) + return err; + + /* Update the current width and height */ + hdcs->w = width; + hdcs->h = height; + return err; +} + +static int hdcs_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + int err = -EINVAL; + + switch (ctrl->id) { + case V4L2_CID_GAIN: + err = hdcs_set_gain(gspca_dev, ctrl->val); + break; + case V4L2_CID_EXPOSURE: + err = hdcs_set_exposure(gspca_dev, ctrl->val); + break; + } + return err; +} + +static const struct v4l2_ctrl_ops hdcs_ctrl_ops = { + .s_ctrl = hdcs_s_ctrl, +}; + +static int hdcs_init_controls(struct sd *sd) +{ + struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler; + + v4l2_ctrl_handler_init(hdl, 2); + v4l2_ctrl_new_std(hdl, &hdcs_ctrl_ops, + V4L2_CID_EXPOSURE, 0, 0xff, 1, HDCS_DEFAULT_EXPOSURE); + v4l2_ctrl_new_std(hdl, &hdcs_ctrl_ops, + V4L2_CID_GAIN, 0, 0xff, 1, HDCS_DEFAULT_GAIN); + return hdl->error; +} + +static int hdcs_probe_1x00(struct sd *sd) +{ + struct hdcs *hdcs; + u16 sensor; + int ret; + + ret = stv06xx_read_sensor(sd, HDCS_IDENT, &sensor); + if (ret < 0 || sensor != 0x08) + return -ENODEV; + + pr_info("HDCS-1000/1100 sensor detected\n"); + + sd->gspca_dev.cam.cam_mode = hdcs1x00_mode; + sd->gspca_dev.cam.nmodes = ARRAY_SIZE(hdcs1x00_mode); + + hdcs = kmalloc(sizeof(struct hdcs), GFP_KERNEL); + if (!hdcs) + return -ENOMEM; + + hdcs->array.left = 8; + hdcs->array.top = 8; + hdcs->array.width = HDCS_1X00_DEF_WIDTH; + hdcs->array.height = HDCS_1X00_DEF_HEIGHT; + hdcs->array.border = 4; + + hdcs->exp.cto = 4; + hdcs->exp.cpo = 2; + hdcs->exp.rs = 186; + hdcs->exp.er = 100; + + /* + * Frame rate on HDCS-1000 with STV600 depends on PSMP: + * 4 = doesn't work at all + * 5 = 7.8 fps, + * 6 = 6.9 fps, + * 8 = 6.3 fps, + * 10 = 5.5 fps, + * 15 = 4.4 fps, + * 31 = 2.8 fps + * + * Frame rate on HDCS-1000 with STV602 depends on PSMP: + * 15 = doesn't work at all + * 18 = doesn't work at all + * 19 = 7.3 fps + * 20 = 7.4 fps + * 21 = 7.4 fps + * 22 = 7.4 fps + * 24 = 6.3 fps + * 30 = 5.4 fps + */ + hdcs->psmp = (sd->bridge == BRIDGE_STV602) ? 20 : 5; + + sd->sensor_priv = hdcs; + + return 0; +} + +static int hdcs_probe_1020(struct sd *sd) +{ + struct hdcs *hdcs; + u16 sensor; + int ret; + + ret = stv06xx_read_sensor(sd, HDCS_IDENT, &sensor); + if (ret < 0 || sensor != 0x10) + return -ENODEV; + + pr_info("HDCS-1020 sensor detected\n"); + + sd->gspca_dev.cam.cam_mode = hdcs1020_mode; + sd->gspca_dev.cam.nmodes = ARRAY_SIZE(hdcs1020_mode); + + hdcs = kmalloc(sizeof(struct hdcs), GFP_KERNEL); + if (!hdcs) + return -ENOMEM; + + /* + * From Andrey's test image: looks like HDCS-1020 upper-left + * visible pixel is at 24,8 (y maybe even smaller?) and lower-right + * visible pixel at 375,299 (x maybe even larger?) + */ + hdcs->array.left = 24; + hdcs->array.top = 4; + hdcs->array.width = HDCS_1020_DEF_WIDTH; + hdcs->array.height = 304; + hdcs->array.border = 4; + + hdcs->psmp = 6; + + hdcs->exp.cto = 3; + hdcs->exp.cpo = 3; + hdcs->exp.rs = 155; + hdcs->exp.er = 96; + + sd->sensor_priv = hdcs; + + return 0; +} + +static int hdcs_start(struct sd *sd) +{ + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + + gspca_dbg(gspca_dev, D_STREAM, "Starting stream\n"); + + return hdcs_set_state(sd, HDCS_STATE_RUN); +} + +static int hdcs_stop(struct sd *sd) +{ + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + + gspca_dbg(gspca_dev, D_STREAM, "Halting stream\n"); + + return hdcs_set_state(sd, HDCS_STATE_SLEEP); +} + +static int hdcs_init(struct sd *sd) +{ + struct hdcs *hdcs = sd->sensor_priv; + int i, err = 0; + + /* Set the STV0602AA in STV0600 emulation mode */ + if (sd->bridge == BRIDGE_STV602) + stv06xx_write_bridge(sd, STV_STV0600_EMULATION, 1); + + /* Execute the bridge init */ + for (i = 0; i < ARRAY_SIZE(stv_bridge_init) && !err; i++) { + err = stv06xx_write_bridge(sd, stv_bridge_init[i][0], + stv_bridge_init[i][1]); + } + if (err < 0) + return err; + + /* sensor soft reset */ + hdcs_reset(sd); + + /* Execute the sensor init */ + for (i = 0; i < ARRAY_SIZE(stv_sensor_init) && !err; i++) { + err = stv06xx_write_sensor(sd, stv_sensor_init[i][0], + stv_sensor_init[i][1]); + } + if (err < 0) + return err; + + /* Enable continuous frame capture, bit 2: stop when frame complete */ + err = stv06xx_write_sensor(sd, HDCS_REG_CONFIG(sd), BIT(3)); + if (err < 0) + return err; + + /* Set PGA sample duration + (was 0x7E for the STV602, but caused slow framerate with HDCS-1020) */ + if (IS_1020(sd)) + err = stv06xx_write_sensor(sd, HDCS_TCTRL, + (HDCS_ADC_START_SIG_DUR << 6) | hdcs->psmp); + else + err = stv06xx_write_sensor(sd, HDCS_TCTRL, + (HDCS_ADC_START_SIG_DUR << 5) | hdcs->psmp); + if (err < 0) + return err; + + return hdcs_set_size(sd, hdcs->array.width, hdcs->array.height); +} + +static int hdcs_dump(struct sd *sd) +{ + u16 reg, val; + + pr_info("Dumping sensor registers:\n"); + + for (reg = HDCS_IDENT; reg <= HDCS_ROWEXPH; reg++) { + stv06xx_read_sensor(sd, reg, &val); + pr_info("reg 0x%02x = 0x%02x\n", reg, val); + } + return 0; +} diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.h b/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.h new file mode 100644 index 000000000..d2da0de05 --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.h @@ -0,0 +1,202 @@ +/* + * 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 + * Copyright (c) 2008 Chia-I Wu + * + * 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. + * + * 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 + */ + +#ifndef STV06XX_HDCS_H_ +#define STV06XX_HDCS_H_ + +#include "stv06xx_sensor.h" + +#define HDCS_REG_CONFIG(sd) (IS_1020(sd) ? HDCS20_CONFIG : HDCS00_CONFIG) +#define HDCS_REG_CONTROL(sd) (IS_1020(sd) ? HDCS20_CONTROL : HDCS00_CONTROL) + +#define HDCS_1X00_DEF_WIDTH 360 +#define HDCS_1X00_DEF_HEIGHT 296 + +#define HDCS_1020_DEF_WIDTH 352 +#define HDCS_1020_DEF_HEIGHT 292 + +#define HDCS_1020_BOTTOM_Y_SKIP 4 + +#define HDCS_CLK_FREQ_MHZ 25 + +#define HDCS_ADC_START_SIG_DUR 3 + +/* LSB bit of I2C or register address signifies write (0) or read (1) */ +/* I2C Registers common for both HDCS-1000/1100 and HDCS-1020 */ +/* Identifications Register */ +#define HDCS_IDENT (0x00 << 1) +/* Status Register */ +#define HDCS_STATUS (0x01 << 1) +/* Interrupt Mask Register */ +#define HDCS_IMASK (0x02 << 1) +/* Pad Control Register */ +#define HDCS_PCTRL (0x03 << 1) +/* Pad Drive Control Register */ +#define HDCS_PDRV (0x04 << 1) +/* Interface Control Register */ +#define HDCS_ICTRL (0x05 << 1) +/* Interface Timing Register */ +#define HDCS_ITMG (0x06 << 1) +/* Baud Fraction Register */ +#define HDCS_BFRAC (0x07 << 1) +/* Baud Rate Register */ +#define HDCS_BRATE (0x08 << 1) +/* ADC Control Register */ +#define HDCS_ADCCTRL (0x09 << 1) +/* First Window Row Register */ +#define HDCS_FWROW (0x0a << 1) +/* First Window Column Register */ +#define HDCS_FWCOL (0x0b << 1) +/* Last Window Row Register */ +#define HDCS_LWROW (0x0c << 1) +/* Last Window Column Register */ +#define HDCS_LWCOL (0x0d << 1) +/* Timing Control Register */ +#define HDCS_TCTRL (0x0e << 1) +/* PGA Gain Register: Even Row, Even Column */ +#define HDCS_ERECPGA (0x0f << 1) +/* PGA Gain Register: Even Row, Odd Column */ +#define HDCS_EROCPGA (0x10 << 1) +/* PGA Gain Register: Odd Row, Even Column */ +#define HDCS_ORECPGA (0x11 << 1) +/* PGA Gain Register: Odd Row, Odd Column */ +#define HDCS_OROCPGA (0x12 << 1) +/* Row Exposure Low Register */ +#define HDCS_ROWEXPL (0x13 << 1) +/* Row Exposure High Register */ +#define HDCS_ROWEXPH (0x14 << 1) + +/* I2C Registers only for HDCS-1000/1100 */ +/* Sub-Row Exposure Low Register */ +#define HDCS00_SROWEXPL (0x15 << 1) +/* Sub-Row Exposure High Register */ +#define HDCS00_SROWEXPH (0x16 << 1) +/* Configuration Register */ +#define HDCS00_CONFIG (0x17 << 1) +/* Control Register */ +#define HDCS00_CONTROL (0x18 << 1) + +/* I2C Registers only for HDCS-1020 */ +/* Sub-Row Exposure Register */ +#define HDCS20_SROWEXP (0x15 << 1) +/* Error Control Register */ +#define HDCS20_ERROR (0x16 << 1) +/* Interface Timing 2 Register */ +#define HDCS20_ITMG2 (0x17 << 1) +/* Interface Control 2 Register */ +#define HDCS20_ICTRL2 (0x18 << 1) +/* Horizontal Blank Register */ +#define HDCS20_HBLANK (0x19 << 1) +/* Vertical Blank Register */ +#define HDCS20_VBLANK (0x1a << 1) +/* Configuration Register */ +#define HDCS20_CONFIG (0x1b << 1) +/* Control Register */ +#define HDCS20_CONTROL (0x1c << 1) + +#define HDCS_RUN_ENABLE (1 << 2) +#define HDCS_SLEEP_MODE (1 << 1) + +#define HDCS_DEFAULT_EXPOSURE 48 +#define HDCS_DEFAULT_GAIN 50 + +static int hdcs_probe_1x00(struct sd *sd); +static int hdcs_probe_1020(struct sd *sd); +static int hdcs_start(struct sd *sd); +static int hdcs_init(struct sd *sd); +static int hdcs_init_controls(struct sd *sd); +static int hdcs_stop(struct sd *sd); +static int hdcs_dump(struct sd *sd); + +static int hdcs_set_exposure(struct gspca_dev *gspca_dev, __s32 val); +static int hdcs_set_gain(struct gspca_dev *gspca_dev, __s32 val); + +const struct stv06xx_sensor stv06xx_sensor_hdcs1x00 = { + .name = "HP HDCS-1000/1100", + .i2c_flush = 0, + .i2c_addr = (0x55 << 1), + .i2c_len = 1, + + /* FIXME (see if we can lower min_packet_size, needs testing, and also + adjusting framerate when the bandwidth gets lower) */ + .min_packet_size = { 847 }, + .max_packet_size = { 847 }, + + .init = hdcs_init, + .init_controls = hdcs_init_controls, + .probe = hdcs_probe_1x00, + .start = hdcs_start, + .stop = hdcs_stop, + .dump = hdcs_dump, +}; + +const struct stv06xx_sensor stv06xx_sensor_hdcs1020 = { + .name = "HDCS-1020", + .i2c_flush = 0, + .i2c_addr = (0x55 << 1), + .i2c_len = 1, + + /* FIXME (see if we can lower min_packet_size, needs testing, and also + adjusting framerate when the bandwidthm gets lower) */ + .min_packet_size = { 847 }, + .max_packet_size = { 847 }, + + .init = hdcs_init, + .init_controls = hdcs_init_controls, + .probe = hdcs_probe_1020, + .start = hdcs_start, + .stop = hdcs_stop, + .dump = hdcs_dump, +}; + +static const u16 stv_bridge_init[][2] = { + {STV_ISO_ENABLE, 0}, + {STV_REG23, 0}, + {STV_REG00, 0x1d}, + {STV_REG01, 0xb5}, + {STV_REG02, 0xa8}, + {STV_REG03, 0x95}, + {STV_REG04, 0x07}, + + {STV_SCAN_RATE, 0x20}, + {STV_Y_CTRL, 0x01}, + {STV_X_CTRL, 0x0a} +}; + +static const u8 stv_sensor_init[][2] = { + /* Clear status (writing 1 will clear the corresponding status bit) */ + {HDCS_STATUS, BIT(6) | BIT(5) | BIT(4) | BIT(3) | BIT(2) | BIT(1)}, + /* Disable all interrupts */ + {HDCS_IMASK, 0x00}, + {HDCS_PCTRL, BIT(6) | BIT(5) | BIT(1) | BIT(0)}, + {HDCS_PDRV, 0x00}, + {HDCS_ICTRL, BIT(5)}, + {HDCS_ITMG, BIT(4) | BIT(1)}, + /* ADC output resolution to 10 bits */ + {HDCS_ADCCTRL, 10} +}; + +#endif diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c b/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c new file mode 100644 index 000000000..6f1ced465 --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c @@ -0,0 +1,441 @@ +/* + * 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. + * + * 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 gspca_dev *gspca_dev = (struct gspca_dev *)sd; + 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; + + if (alt->desc.bNumEndpoints < 1) + 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)); + gspca_dbg(gspca_dev, D_STREAM, "Started stream, status: %d\n", err); + + return (err < 0) ? err : 0; +} + +static int pb0100_stop(struct sd *sd) +{ + struct gspca_dev *gspca_dev = (struct gspca_dev *)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)); + + gspca_dbg(gspca_dev, D_STREAM, "Halting stream\n"); +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); + gspca_dbg(gspca_dev, D_CONF, "Set green gain to %d, status: %d\n", + 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); + gspca_dbg(gspca_dev, D_CONF, "Set red gain to %d, status: %d\n", + 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); + gspca_dbg(gspca_dev, D_CONF, "Set blue gain to %d, status: %d\n", + 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); + gspca_dbg(gspca_dev, D_CONF, "Set exposure to %d, status: %d\n", + 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); + gspca_dbg(gspca_dev, D_CONF, "Set autogain to %d (natural: %d), status: %d\n", + 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->pixfmt.width * gspca_dev->pixfmt.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); + + gspca_dbg(gspca_dev, D_CONF, "Set autogain target to %d, status: %d\n", + val, err); + + return err; +} diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.h b/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.h new file mode 100644 index 000000000..33572d8bb --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.h @@ -0,0 +1,140 @@ +/* + * 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. + * + * 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 + */ + +#ifndef STV06XX_PB0100_H_ +#define STV06XX_PB0100_H_ + +#include "stv06xx_sensor.h" + +/* mode priv field flags */ +#define PB0100_CROP_TO_VGA 0x01 +#define PB0100_SUBSAMPLE 0x02 + +/* I2C Registers */ +#define PB_IDENT 0x00 /* Chip Version */ +#define PB_RSTART 0x01 /* Row Window Start */ +#define PB_CSTART 0x02 /* Column Window Start */ +#define PB_RWSIZE 0x03 /* Row Window Size */ +#define PB_CWSIZE 0x04 /* Column Window Size */ +#define PB_CFILLIN 0x05 /* Column Fill-In */ +#define PB_VBL 0x06 /* Vertical Blank Count */ +#define PB_CONTROL 0x07 /* Control Mode */ +#define PB_FINTTIME 0x08 /* Integration Time/Frame Unit Count */ +#define PB_RINTTIME 0x09 /* Integration Time/Row Unit Count */ +#define PB_ROWSPEED 0x0a /* Row Speed Control */ +#define PB_ABORTFRAME 0x0b /* Abort Frame */ +#define PB_R12 0x0c /* Reserved */ +#define PB_RESET 0x0d /* Reset */ +#define PB_EXPGAIN 0x0e /* Exposure Gain Command */ +#define PB_R15 0x0f /* Expose0 */ +#define PB_R16 0x10 /* Expose1 */ +#define PB_R17 0x11 /* Expose2 */ +#define PB_R18 0x12 /* Low0_DAC */ +#define PB_R19 0x13 /* Low1_DAC */ +#define PB_R20 0x14 /* Low2_DAC */ +#define PB_R21 0x15 /* Threshold11 */ +#define PB_R22 0x16 /* Threshold0x */ +#define PB_UPDATEINT 0x17 /* Update Interval */ +#define PB_R24 0x18 /* High_DAC */ +#define PB_R25 0x19 /* Trans0H */ +#define PB_R26 0x1a /* Trans1L */ +#define PB_R27 0x1b /* Trans1H */ +#define PB_R28 0x1c /* Trans2L */ +#define PB_R29 0x1d /* Reserved */ +#define PB_R30 0x1e /* Reserved */ +#define PB_R31 0x1f /* Wait to Read */ +#define PB_PREADCTRL 0x20 /* Pixel Read Control Mode */ +#define PB_R33 0x21 /* IREF_VLN */ +#define PB_R34 0x22 /* IREF_VLP */ +#define PB_R35 0x23 /* IREF_VLN_INTEG */ +#define PB_R36 0x24 /* IREF_MASTER */ +#define PB_R37 0x25 /* IDACP */ +#define PB_R38 0x26 /* IDACN */ +#define PB_R39 0x27 /* DAC_Control_Reg */ +#define PB_R40 0x28 /* VCL */ +#define PB_R41 0x29 /* IREF_VLN_ADCIN */ +#define PB_R42 0x2a /* Reserved */ +#define PB_G1GAIN 0x2b /* Green 1 Gain */ +#define PB_BGAIN 0x2c /* Blue Gain */ +#define PB_RGAIN 0x2d /* Red Gain */ +#define PB_G2GAIN 0x2e /* Green 2 Gain */ +#define PB_R47 0x2f /* Dark Row Address */ +#define PB_R48 0x30 /* Dark Row Options */ +#define PB_R49 0x31 /* Reserved */ +#define PB_R50 0x32 /* Image Test Data */ +#define PB_ADCMAXGAIN 0x33 /* Maximum Gain */ +#define PB_ADCMINGAIN 0x34 /* Minimum Gain */ +#define PB_ADCGLOBALGAIN 0x35 /* Global Gain */ +#define PB_R54 0x36 /* Maximum Frame */ +#define PB_R55 0x37 /* Minimum Frame */ +#define PB_R56 0x38 /* Reserved */ +#define PB_VOFFSET 0x39 /* VOFFSET */ +#define PB_R58 0x3a /* Snap-Shot Sequence Trigger */ +#define PB_ADCGAINH 0x3b /* VREF_HI */ +#define PB_ADCGAINL 0x3c /* VREF_LO */ +#define PB_R61 0x3d /* Reserved */ +#define PB_R62 0x3e /* Reserved */ +#define PB_R63 0x3f /* Reserved */ +#define PB_R64 0x40 /* Red/Blue Gain */ +#define PB_R65 0x41 /* Green 2/Green 1 Gain */ +#define PB_R66 0x42 /* VREF_HI/LO */ +#define PB_R67 0x43 /* Integration Time/Row Unit Count */ +#define PB_R240 0xf0 /* ADC Test */ +#define PB_R241 0xf1 /* Chip Enable */ +#define PB_R242 0xf2 /* Reserved */ + +static int pb0100_probe(struct sd *sd); +static int pb0100_start(struct sd *sd); +static int pb0100_init(struct sd *sd); +static int pb0100_init_controls(struct sd *sd); +static int pb0100_stop(struct sd *sd); +static int pb0100_dump(struct sd *sd); + +/* V4L2 controls supported by the driver */ +static int pb0100_set_gain(struct gspca_dev *gspca_dev, __s32 val); +static int pb0100_set_red_balance(struct gspca_dev *gspca_dev, __s32 val); +static int pb0100_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val); +static int pb0100_set_exposure(struct gspca_dev *gspca_dev, __s32 val); +static int pb0100_set_autogain(struct gspca_dev *gspca_dev, __s32 val); +static int pb0100_set_autogain_target(struct gspca_dev *gspca_dev, __s32 val); + +const struct stv06xx_sensor stv06xx_sensor_pb0100 = { + .name = "PB-0100", + .i2c_flush = 1, + .i2c_addr = 0xba, + .i2c_len = 2, + + .min_packet_size = { 635, 847 }, + .max_packet_size = { 847, 923 }, + + .init = pb0100_init, + .init_controls = pb0100_init_controls, + .probe = pb0100_probe, + .start = pb0100_start, + .stop = pb0100_stop, + .dump = pb0100_dump, +}; + +#endif diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_sensor.h b/drivers/media/usb/gspca/stv06xx/stv06xx_sensor.h new file mode 100644 index 000000000..747d07c87 --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/stv06xx_sensor.h @@ -0,0 +1,83 @@ +/* + * 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. + * + * 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 + */ + +#ifndef STV06XX_SENSOR_H_ +#define STV06XX_SENSOR_H_ + +#include "stv06xx.h" + +#define IS_1020(sd) ((sd)->sensor == &stv06xx_sensor_hdcs1020) + +extern const struct stv06xx_sensor stv06xx_sensor_vv6410; +extern const struct stv06xx_sensor stv06xx_sensor_hdcs1x00; +extern const struct stv06xx_sensor stv06xx_sensor_hdcs1020; +extern const struct stv06xx_sensor stv06xx_sensor_pb0100; +extern const struct stv06xx_sensor stv06xx_sensor_st6422; + +struct stv06xx_sensor { + /* Defines the name of a sensor */ + char name[32]; + + /* Sensor i2c address */ + u8 i2c_addr; + + /* Flush value*/ + u8 i2c_flush; + + /* length of an i2c word */ + u8 i2c_len; + + /* Isoc packet size (per mode) */ + int min_packet_size[4]; + int max_packet_size[4]; + + /* Probes if the sensor is connected */ + int (*probe)(struct sd *sd); + + /* Performs a initialization sequence */ + int (*init)(struct sd *sd); + + /* Initializes the controls */ + int (*init_controls)(struct sd *sd); + + /* Reads a sensor register */ + int (*read_sensor)(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + + /* Writes to a sensor register */ + int (*write_sensor)(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + + /* Instructs the sensor to start streaming */ + int (*start)(struct sd *sd); + + /* Instructs the sensor to stop streaming */ + int (*stop)(struct sd *sd); + + /* Instructs the sensor to dump all its contents */ + int (*dump)(struct sd *sd); +}; + +#endif diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_st6422.c b/drivers/media/usb/gspca/stv06xx/stv06xx_st6422.c new file mode 100644 index 000000000..51a135c2f --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/stv06xx_st6422.c @@ -0,0 +1,283 @@ +/* + * Support for the sensor part which is integrated (I think) into the + * st6422 stv06xx alike bridge, as its integrated there are no i2c writes + * but instead direct bridge writes. + * + * Copyright (c) 2009 Hans de Goede <hdegoede@redhat.com> + * + * Strongly based on qc-usb-messenger, which is: + * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher + * Mark Cave-Ayland, Carlo E Prelz, Dick Streefland + * Copyright (c) 2002, 2003 Tuukka Toivonen + * + * 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. + * + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "stv06xx_st6422.h" + +static struct v4l2_pix_format st6422_mode[] = { + /* Note we actually get 124 lines of data, of which we skip the 4st + 4 as they are garbage */ + { + 162, + 120, + V4L2_PIX_FMT_SGRBG8, + V4L2_FIELD_NONE, + .sizeimage = 162 * 120, + .bytesperline = 162, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 1 + }, + /* Note we actually get 248 lines of data, of which we skip the 4st + 4 as they are garbage, and we tell the app it only gets the + first 240 of the 244 lines it actually gets, so that it ignores + the last 4. */ + { + 324, + 240, + V4L2_PIX_FMT_SGRBG8, + V4L2_FIELD_NONE, + .sizeimage = 324 * 244, + .bytesperline = 324, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0 + }, +}; + +/* V4L2 controls supported by the driver */ +static int setbrightness(struct sd *sd, s32 val); +static int setcontrast(struct sd *sd, s32 val); +static int setgain(struct sd *sd, u8 gain); +static int setexposure(struct sd *sd, s16 expo); + +static int st6422_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; + int err = -EINVAL; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + err = setbrightness(sd, ctrl->val); + break; + case V4L2_CID_CONTRAST: + err = setcontrast(sd, ctrl->val); + break; + case V4L2_CID_GAIN: + err = setgain(sd, ctrl->val); + break; + case V4L2_CID_EXPOSURE: + err = setexposure(sd, ctrl->val); + break; + } + + /* commit settings */ + if (err >= 0) + err = stv06xx_write_bridge(sd, 0x143f, 0x01); + sd->gspca_dev.usb_err = err; + return err; +} + +static const struct v4l2_ctrl_ops st6422_ctrl_ops = { + .s_ctrl = st6422_s_ctrl, +}; + +static int st6422_init_controls(struct sd *sd) +{ + struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler; + + v4l2_ctrl_handler_init(hdl, 4); + v4l2_ctrl_new_std(hdl, &st6422_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 31, 1, 3); + v4l2_ctrl_new_std(hdl, &st6422_ctrl_ops, + V4L2_CID_CONTRAST, 0, 15, 1, 11); + v4l2_ctrl_new_std(hdl, &st6422_ctrl_ops, + V4L2_CID_EXPOSURE, 0, 1023, 1, 256); + v4l2_ctrl_new_std(hdl, &st6422_ctrl_ops, + V4L2_CID_GAIN, 0, 255, 1, 64); + + return hdl->error; +} + +static int st6422_probe(struct sd *sd) +{ + if (sd->bridge != BRIDGE_ST6422) + return -ENODEV; + + pr_info("st6422 sensor detected\n"); + + sd->gspca_dev.cam.cam_mode = st6422_mode; + sd->gspca_dev.cam.nmodes = ARRAY_SIZE(st6422_mode); + return 0; +} + +static int st6422_init(struct sd *sd) +{ + int err = 0, i; + + const u16 st6422_bridge_init[][2] = { + { STV_ISO_ENABLE, 0x00 }, /* disable capture */ + { 0x1436, 0x00 }, + { 0x1432, 0x03 }, /* 0x00-0x1F brightness */ + { 0x143a, 0xf9 }, /* 0x00-0x0F contrast */ + { 0x0509, 0x38 }, /* R */ + { 0x050a, 0x38 }, /* G */ + { 0x050b, 0x38 }, /* B */ + { 0x050c, 0x2a }, + { 0x050d, 0x01 }, + + + { 0x1431, 0x00 }, /* 0x00-0x07 ??? */ + { 0x1433, 0x34 }, /* 160x120, 0x00-0x01 night filter */ + { 0x1438, 0x18 }, /* 640x480 */ +/* 18 bayes */ +/* 10 compressed? */ + + { 0x1439, 0x00 }, +/* anti-noise? 0xa2 gives a perfect image */ + + { 0x143b, 0x05 }, + { 0x143c, 0x00 }, /* 0x00-0x01 - ??? */ + + +/* shutter time 0x0000-0x03FF */ +/* low value give good picures on moving objects (but requires much light) */ +/* high value gives good picures in darkness (but tends to be overexposed) */ + { 0x143e, 0x01 }, + { 0x143d, 0x00 }, + + { 0x1442, 0xe2 }, +/* write: 1x1x xxxx */ +/* read: 1x1x xxxx */ +/* bit 5 == button pressed and hold if 0 */ +/* write 0xe2,0xea */ + +/* 0x144a */ +/* 0x00 init */ +/* bit 7 == button has been pressed, but not handled */ + +/* interrupt */ +/* if(urb->iso_frame_desc[i].status == 0x80) { */ +/* if(urb->iso_frame_desc[i].status == 0x88) { */ + + { 0x1500, 0xd0 }, + { 0x1500, 0xd0 }, + { 0x1500, 0x50 }, /* 0x00 - 0xFF 0x80 == compr ? */ + + { 0x1501, 0xaf }, +/* high val-> light area gets darker */ +/* low val -> light area gets lighter */ + { 0x1502, 0xc2 }, +/* high val-> light area gets darker */ +/* low val -> light area gets lighter */ + { 0x1503, 0x45 }, +/* high val-> light area gets darker */ +/* low val -> light area gets lighter */ + { 0x1505, 0x02 }, +/* 2 : 324x248 80352 bytes */ +/* 7 : 248x162 40176 bytes */ +/* c+f: 162*124 20088 bytes */ + + { 0x150e, 0x8e }, + { 0x150f, 0x37 }, + { 0x15c0, 0x00 }, + { 0x15c3, 0x08 }, /* 0x04/0x14 ... test pictures ??? */ + + + { 0x143f, 0x01 }, /* commit settings */ + + }; + + for (i = 0; i < ARRAY_SIZE(st6422_bridge_init) && !err; i++) { + err = stv06xx_write_bridge(sd, st6422_bridge_init[i][0], + st6422_bridge_init[i][1]); + } + + return err; +} + +static int setbrightness(struct sd *sd, s32 val) +{ + /* val goes from 0 -> 31 */ + return stv06xx_write_bridge(sd, 0x1432, val); +} + +static int setcontrast(struct sd *sd, s32 val) +{ + /* Val goes from 0 -> 15 */ + return stv06xx_write_bridge(sd, 0x143a, val | 0xf0); +} + +static int setgain(struct sd *sd, u8 gain) +{ + int err; + + /* Set red, green, blue, gain */ + err = stv06xx_write_bridge(sd, 0x0509, gain); + if (err < 0) + return err; + + err = stv06xx_write_bridge(sd, 0x050a, gain); + if (err < 0) + return err; + + err = stv06xx_write_bridge(sd, 0x050b, gain); + if (err < 0) + return err; + + /* 2 mystery writes */ + err = stv06xx_write_bridge(sd, 0x050c, 0x2a); + if (err < 0) + return err; + + return stv06xx_write_bridge(sd, 0x050d, 0x01); +} + +static int setexposure(struct sd *sd, s16 expo) +{ + int err; + + err = stv06xx_write_bridge(sd, 0x143d, expo & 0xff); + if (err < 0) + return err; + + return stv06xx_write_bridge(sd, 0x143e, expo >> 8); +} + +static int st6422_start(struct sd *sd) +{ + int err; + struct cam *cam = &sd->gspca_dev.cam; + + if (cam->cam_mode[sd->gspca_dev.curr_mode].priv) + err = stv06xx_write_bridge(sd, 0x1505, 0x0f); + else + err = stv06xx_write_bridge(sd, 0x1505, 0x02); + if (err < 0) + return err; + + /* commit settings */ + err = stv06xx_write_bridge(sd, 0x143f, 0x01); + return (err < 0) ? err : 0; +} + +static int st6422_stop(struct sd *sd) +{ + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + + gspca_dbg(gspca_dev, D_STREAM, "Halting stream\n"); + + return 0; +} diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_st6422.h b/drivers/media/usb/gspca/stv06xx/stv06xx_st6422.h new file mode 100644 index 000000000..87324a69a --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/stv06xx_st6422.h @@ -0,0 +1,48 @@ +/* + * Support for the sensor part which is integrated (I think) into the + * st6422 stv06xx alike bridge, as its integrated there are no i2c writes + * but instead direct bridge writes. + * + * Copyright (c) 2009 Hans de Goede <hdegoede@redhat.com> + * + * Strongly based on qc-usb-messenger, which is: + * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher + * Mark Cave-Ayland, Carlo E Prelz, Dick Streefland + * Copyright (c) 2002, 2003 Tuukka Toivonen + * + * 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. + * + */ + +#ifndef STV06XX_ST6422_H_ +#define STV06XX_ST6422_H_ + +#include "stv06xx_sensor.h" + +static int st6422_probe(struct sd *sd); +static int st6422_start(struct sd *sd); +static int st6422_init(struct sd *sd); +static int st6422_init_controls(struct sd *sd); +static int st6422_stop(struct sd *sd); + +const struct stv06xx_sensor stv06xx_sensor_st6422 = { + .name = "ST6422", + /* No known way to lower framerate in case of less bandwidth */ + .min_packet_size = { 300, 847 }, + .max_packet_size = { 300, 847 }, + .init = st6422_init, + .init_controls = st6422_init_controls, + .probe = st6422_probe, + .start = st6422_start, + .stop = st6422_stop, +}; + +#endif diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_vv6410.c b/drivers/media/usb/gspca/stv06xx/stv06xx_vv6410.c new file mode 100644 index 000000000..b2f16c275 --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/stv06xx_vv6410.c @@ -0,0 +1,274 @@ +/* + * 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. + * + * 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 + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "stv06xx_vv6410.h" + +static struct v4l2_pix_format vv6410_mode[] = { + { + 356, + 292, + V4L2_PIX_FMT_SGRBG8, + V4L2_FIELD_NONE, + .sizeimage = 356 * 292, + .bytesperline = 356, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0 + } +}; + +static int vv6410_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + int err = -EINVAL; + + switch (ctrl->id) { + case V4L2_CID_HFLIP: + if (!gspca_dev->streaming) + return 0; + err = vv6410_set_hflip(gspca_dev, ctrl->val); + break; + case V4L2_CID_VFLIP: + if (!gspca_dev->streaming) + return 0; + err = vv6410_set_vflip(gspca_dev, ctrl->val); + break; + case V4L2_CID_GAIN: + err = vv6410_set_analog_gain(gspca_dev, ctrl->val); + break; + case V4L2_CID_EXPOSURE: + err = vv6410_set_exposure(gspca_dev, ctrl->val); + break; + } + return err; +} + +static const struct v4l2_ctrl_ops vv6410_ctrl_ops = { + .s_ctrl = vv6410_s_ctrl, +}; + +static int vv6410_probe(struct sd *sd) +{ + u16 data; + int err; + + err = stv06xx_read_sensor(sd, VV6410_DEVICEH, &data); + if (err < 0) + return -ENODEV; + + if (data != 0x19) + return -ENODEV; + + pr_info("vv6410 sensor detected\n"); + + sd->gspca_dev.cam.cam_mode = vv6410_mode; + sd->gspca_dev.cam.nmodes = ARRAY_SIZE(vv6410_mode); + return 0; +} + +static int vv6410_init_controls(struct sd *sd) +{ + struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler; + + v4l2_ctrl_handler_init(hdl, 2); + /* Disable the hardware VFLIP and HFLIP as we currently lack a + mechanism to adjust the image offset in such a way that + we don't need to renegotiate the announced format */ + /* v4l2_ctrl_new_std(hdl, &vv6410_ctrl_ops, */ + /* V4L2_CID_HFLIP, 0, 1, 1, 0); */ + /* v4l2_ctrl_new_std(hdl, &vv6410_ctrl_ops, */ + /* V4L2_CID_VFLIP, 0, 1, 1, 0); */ + v4l2_ctrl_new_std(hdl, &vv6410_ctrl_ops, + V4L2_CID_EXPOSURE, 0, 32768, 1, 20000); + v4l2_ctrl_new_std(hdl, &vv6410_ctrl_ops, + V4L2_CID_GAIN, 0, 15, 1, 10); + return hdl->error; +} + +static int vv6410_init(struct sd *sd) +{ + int err = 0, i; + + for (i = 0; i < ARRAY_SIZE(stv_bridge_init); i++) + stv06xx_write_bridge(sd, stv_bridge_init[i].addr, stv_bridge_init[i].data); + + err = stv06xx_write_sensor_bytes(sd, (u8 *) vv6410_sensor_init, + ARRAY_SIZE(vv6410_sensor_init)); + return (err < 0) ? err : 0; +} + +static int vv6410_start(struct sd *sd) +{ + int err; + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + struct cam *cam = &sd->gspca_dev.cam; + u32 priv = cam->cam_mode[sd->gspca_dev.curr_mode].priv; + + if (priv & VV6410_SUBSAMPLE) { + gspca_dbg(gspca_dev, D_CONF, "Enabling subsampling\n"); + stv06xx_write_bridge(sd, STV_Y_CTRL, 0x02); + 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); + stv06xx_write_bridge(sd, STV_SCAN_RATE, 0x00); + + } + + /* Turn on LED */ + err = stv06xx_write_bridge(sd, STV_LED_CTRL, LED_ON); + if (err < 0) + return err; + + err = stv06xx_write_sensor(sd, VV6410_SETUP0, 0); + if (err < 0) + return err; + + gspca_dbg(gspca_dev, D_STREAM, "Starting stream\n"); + + return 0; +} + +static int vv6410_stop(struct sd *sd) +{ + struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; + int err; + + /* Turn off LED */ + err = stv06xx_write_bridge(sd, STV_LED_CTRL, LED_OFF); + if (err < 0) + return err; + + err = stv06xx_write_sensor(sd, VV6410_SETUP0, VV6410_LOW_POWER_MODE); + if (err < 0) + return err; + + gspca_dbg(gspca_dev, D_STREAM, "Halting stream\n"); + + return 0; +} + +static int vv6410_dump(struct sd *sd) +{ + u8 i; + int err = 0; + + pr_info("Dumping all vv6410 sensor registers\n"); + for (i = 0; i < 0xff && !err; i++) { + u16 data; + err = stv06xx_read_sensor(sd, i, &data); + pr_info("Register 0x%x contained 0x%x\n", i, data); + } + return (err < 0) ? err : 0; +} + +static int vv6410_set_hflip(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u16 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data); + if (err < 0) + return err; + + if (val) + i2c_data |= VV6410_HFLIP; + else + i2c_data &= ~VV6410_HFLIP; + + gspca_dbg(gspca_dev, D_CONF, "Set horizontal flip to %d\n", val); + err = stv06xx_write_sensor(sd, VV6410_DATAFORMAT, i2c_data); + + return (err < 0) ? err : 0; +} + +static int vv6410_set_vflip(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u16 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data); + if (err < 0) + return err; + + if (val) + i2c_data |= VV6410_VFLIP; + else + i2c_data &= ~VV6410_VFLIP; + + gspca_dbg(gspca_dev, D_CONF, "Set vertical flip to %d\n", val); + err = stv06xx_write_sensor(sd, VV6410_DATAFORMAT, i2c_data); + + return (err < 0) ? err : 0; +} + +static int vv6410_set_analog_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + struct sd *sd = (struct sd *) gspca_dev; + + gspca_dbg(gspca_dev, D_CONF, "Set analog gain to %d\n", val); + err = stv06xx_write_sensor(sd, VV6410_ANALOGGAIN, 0xf0 | (val & 0xf)); + + return (err < 0) ? err : 0; +} + +static int vv6410_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + struct sd *sd = (struct sd *) gspca_dev; + unsigned int fine, coarse; + + val = (val * val >> 14) + val / 4; + + fine = val % VV6410_CIF_LINELENGTH; + coarse = min(512, val / VV6410_CIF_LINELENGTH); + + gspca_dbg(gspca_dev, D_CONF, "Set coarse exposure to %d, fine exposure to %d\n", + coarse, fine); + + err = stv06xx_write_sensor(sd, VV6410_FINEH, fine >> 8); + if (err < 0) + goto out; + + err = stv06xx_write_sensor(sd, VV6410_FINEL, fine & 0xff); + if (err < 0) + goto out; + + err = stv06xx_write_sensor(sd, VV6410_COARSEH, coarse >> 8); + if (err < 0) + goto out; + + err = stv06xx_write_sensor(sd, VV6410_COARSEL, coarse & 0xff); + +out: + return err; +} diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_vv6410.h b/drivers/media/usb/gspca/stv06xx/stv06xx_vv6410.h new file mode 100644 index 000000000..e85988937 --- /dev/null +++ b/drivers/media/usb/gspca/stv06xx/stv06xx_vv6410.h @@ -0,0 +1,251 @@ +/* + * 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. + * + * 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 + */ + +#ifndef STV06XX_VV6410_H_ +#define STV06XX_VV6410_H_ + +#include "stv06xx_sensor.h" + +#define VV6410_COLS 416 +#define VV6410_ROWS 320 + +/* Status registers */ +/* Chip identification number including revision indicator */ +#define VV6410_DEVICEH 0x00 +#define VV6410_DEVICEL 0x01 + +/* User can determine whether timed I2C data + has been consumed by interrogating flag states */ +#define VV6410_STATUS0 0x02 + +/* Current line counter value */ +#define VV6410_LINECOUNTH 0x03 +#define VV6410_LINECOUNTL 0x04 + +/* End x coordinate of image size */ +#define VV6410_XENDH 0x05 +#define VV6410_XENDL 0x06 + +/* End y coordinate of image size */ +#define VV6410_YENDH 0x07 +#define VV6410_YENDL 0x08 + +/* This is the average pixel value returned from the + dark line offset cancellation algorithm */ +#define VV6410_DARKAVGH 0x09 +#define VV6410_DARKAVGL 0x0a + +/* This is the average pixel value returned from the + black line offset cancellation algorithm */ +#define VV6410_BLACKAVGH 0x0b +#define VV6410_BLACKAVGL 0x0c + +/* Flags to indicate whether the x or y image coordinates have been clipped */ +#define VV6410_STATUS1 0x0d + +/* Setup registers */ + +/* Low-power/sleep modes & video timing */ +#define VV6410_SETUP0 0x10 + +/* Various parameters */ +#define VV6410_SETUP1 0x11 + +/* Contains pixel counter reset value used by external sync */ +#define VV6410_SYNCVALUE 0x12 + +/* Frame grabbing modes (FST, LST and QCK) */ +#define VV6410_FGMODES 0x14 + +/* FST and QCK mapping modes. */ +#define VV6410_PINMAPPING 0x15 + +/* Data resolution */ +#define VV6410_DATAFORMAT 0x16 + +/* Output coding formats */ +#define VV6410_OPFORMAT 0x17 + +/* Various mode select bits */ +#define VV6410_MODESELECT 0x18 + +/* Exposure registers */ +/* Fine exposure. */ +#define VV6410_FINEH 0x20 +#define VV6410_FINEL 0x21 + +/* Coarse exposure */ +#define VV6410_COARSEH 0x22 +#define VV6410_COARSEL 0x23 + +/* Analog gain setting */ +#define VV6410_ANALOGGAIN 0x24 + +/* Clock division */ +#define VV6410_CLKDIV 0x25 + +/* Dark line offset cancellation value */ +#define VV6410_DARKOFFSETH 0x2c +#define VV6410_DARKOFFSETL 0x2d + +/* Dark line offset cancellation enable */ +#define VV6410_DARKOFFSETSETUP 0x2e + +/* Video timing registers */ +/* Line Length (Pixel Clocks) */ +#define VV6410_LINELENGTHH 0x52 +#define VV6410_LINELENGTHL 0x53 + +/* X-co-ordinate of top left corner of region of interest (x-offset) */ +#define VV6410_XOFFSETH 0x57 +#define VV6410_XOFFSETL 0x58 + +/* Y-coordinate of top left corner of region of interest (y-offset) */ +#define VV6410_YOFFSETH 0x59 +#define VV6410_YOFFSETL 0x5a + +/* Field length (Lines) */ +#define VV6410_FIELDLENGTHH 0x61 +#define VV6410_FIELDLENGTHL 0x62 + +/* System registers */ +/* Black offset cancellation default value */ +#define VV6410_BLACKOFFSETH 0x70 +#define VV6410_BLACKOFFSETL 0x71 + +/* Black offset cancellation setup */ +#define VV6410_BLACKOFFSETSETUP 0x72 + +/* Analog Control Register 0 */ +#define VV6410_CR0 0x75 + +/* Analog Control Register 1 */ +#define VV6410_CR1 0x76 + +/* ADC Setup Register */ +#define VV6410_AS0 0x77 + +/* Analog Test Register */ +#define VV6410_AT0 0x78 + +/* Audio Amplifier Setup Register */ +#define VV6410_AT1 0x79 + +#define VV6410_HFLIP (1 << 3) +#define VV6410_VFLIP (1 << 4) + +#define VV6410_LOW_POWER_MODE (1 << 0) +#define VV6410_SOFT_RESET (1 << 2) +#define VV6410_PAL_25_FPS (0 << 3) + +#define VV6410_CLK_DIV_2 (1 << 1) + +#define VV6410_FINE_EXPOSURE 320 +#define VV6410_COARSE_EXPOSURE 192 +#define VV6410_DEFAULT_GAIN 5 + +#define VV6410_SUBSAMPLE 0x01 +#define VV6410_CROP_TO_QVGA 0x02 + +#define VV6410_CIF_LINELENGTH 415 + +static int vv6410_probe(struct sd *sd); +static int vv6410_start(struct sd *sd); +static int vv6410_init(struct sd *sd); +static int vv6410_init_controls(struct sd *sd); +static int vv6410_stop(struct sd *sd); +static int vv6410_dump(struct sd *sd); + +/* V4L2 controls supported by the driver */ +static int vv6410_set_hflip(struct gspca_dev *gspca_dev, __s32 val); +static int vv6410_set_vflip(struct gspca_dev *gspca_dev, __s32 val); +static int vv6410_set_analog_gain(struct gspca_dev *gspca_dev, __s32 val); +static int vv6410_set_exposure(struct gspca_dev *gspca_dev, __s32 val); + +const struct stv06xx_sensor stv06xx_sensor_vv6410 = { + .name = "ST VV6410", + .i2c_flush = 5, + .i2c_addr = 0x20, + .i2c_len = 1, + /* FIXME (see if we can lower packet_size-s, needs testing, and also + adjusting framerate when the bandwidth gets lower) */ + .min_packet_size = { 1023 }, + .max_packet_size = { 1023 }, + .init = vv6410_init, + .init_controls = vv6410_init_controls, + .probe = vv6410_probe, + .start = vv6410_start, + .stop = vv6410_stop, + .dump = vv6410_dump, +}; + +/* If NULL, only single value to write, stored in len */ +struct stv_init { + u16 addr; + u8 data; +}; + +static const struct stv_init stv_bridge_init[] = { + /* This reg is written twice. Some kind of reset? */ + {STV_RESET, 0x80}, + {STV_RESET, 0x00}, + {STV_SCAN_RATE, 0x00}, + {STV_I2C_FLUSH, 0x04}, + {STV_REG00, 0x0b}, + {STV_REG01, 0xa7}, + {STV_REG02, 0xb7}, + {STV_REG03, 0x00}, + {STV_REG04, 0x00}, + {0x1536, 0x02}, + {0x1537, 0x00}, + {0x1538, 0x60}, + {0x1539, 0x01}, + {0x153a, 0x20}, + {0x153b, 0x01}, +}; + +static const u8 vv6410_sensor_init[][2] = { + /* Setup registers */ + {VV6410_SETUP0, VV6410_SOFT_RESET}, + {VV6410_SETUP0, VV6410_LOW_POWER_MODE}, + /* Use shuffled read-out mode */ + {VV6410_SETUP1, BIT(6)}, + /* All modes to 1, FST, Fast QCK, Free running QCK, Free running LST, FST will qualify visible pixels */ + {VV6410_FGMODES, BIT(6) | BIT(4) | BIT(2) | BIT(0)}, + {VV6410_PINMAPPING, 0x00}, + /* Pre-clock generator divide off */ + {VV6410_DATAFORMAT, BIT(7) | BIT(0)}, + + {VV6410_CLKDIV, VV6410_CLK_DIV_2}, + + /* System registers */ + /* Enable voltage doubler */ + {VV6410_AS0, BIT(6) | BIT(4) | BIT(3) | BIT(2) | BIT(1)}, + {VV6410_AT0, 0x00}, + /* Power up audio, differential */ + {VV6410_AT1, BIT(4) | BIT(0)}, +}; + +#endif |