V4L/DVB (13145): gscpa_ov519: add support for the ovfx2 bridge
gscpa_ov519: add support for the ovfx2 bridge Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans de Goede
Mauro Carvalho Chehab
parent
635118d5b1
commit
b46aaa0264
@ -2,14 +2,19 @@
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* OV519 driver
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*
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* Copyright (C) 2008 Jean-Francois Moine (http://moinejf.free.fr)
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* Copyright (C) 2009 Hans de Goede <hdegoede@redhat.com>
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*
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* This module is adapted from the ov51x-jpeg package, which itself
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* was adapted from the ov511 driver.
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*
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* Original copyright for the ov511 driver is:
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*
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* Copyright (c) 1999-2004 Mark W. McClelland
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* Copyright (c) 1999-2006 Mark W. McClelland
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* Support for OV519, OV8610 Copyright (c) 2003 Joerg Heckenbach
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* Many improvements by Bret Wallach <bwallac1@san.rr.com>
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* Color fixes by by Orion Sky Lawlor <olawlor@acm.org> (2/26/2000)
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* OV7620 fixes by Charl P. Botha <cpbotha@ieee.org>
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* Changes by Claudio Matsuoka <claudio@conectiva.com>
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*
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* ov51x-jpeg original copyright is:
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*
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@ -389,26 +394,31 @@ static const struct v4l2_pix_format ovfx2_ov2610_mode[] = {
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.colorspace = V4L2_COLORSPACE_SRGB},
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};
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static const struct v4l2_pix_format ovfx2_ov3610_mode[] = {
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{2080, 1544, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
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.bytesperline = 2080,
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.sizeimage = 2080 * 1544,
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.colorspace = V4L2_COLORSPACE_SRGB},
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{1600, 1200, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
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.bytesperline = 1600,
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.sizeimage = 1600 * 1200,
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.colorspace = V4L2_COLORSPACE_SRGB},
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{1024, 768, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
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.bytesperline = 1024,
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.sizeimage = 1024 * 768,
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.colorspace = V4L2_COLORSPACE_SRGB},
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{800, 600, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
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.bytesperline = 800,
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.sizeimage = 800 * 600,
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.colorspace = V4L2_COLORSPACE_SRGB},
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{640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
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.bytesperline = 640,
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.sizeimage = 640 * 480,
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.colorspace = V4L2_COLORSPACE_SRGB},
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1},
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{800, 600, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
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.bytesperline = 800,
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.sizeimage = 800 * 600,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1},
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{1024, 768, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
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.bytesperline = 1024,
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.sizeimage = 1024 * 768,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1},
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{1600, 1200, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
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.bytesperline = 1600,
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.sizeimage = 1600 * 1200,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 0},
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{2048, 1536, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
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.bytesperline = 2048,
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.sizeimage = 2048 * 1536,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 0},
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};
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@ -473,6 +483,30 @@ static const struct v4l2_pix_format ovfx2_ov3610_mode[] = {
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#define OV511_ENDPOINT_ADDRESS 1 /* Isoc endpoint number */
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/*
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* The FX2 chip does not give us a zero length read at end of frame.
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* It does, however, give a short read at the end of a frame, if
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* neccessary, rather than run two frames together.
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*
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* By choosing the right bulk transfer size, we are guaranteed to always
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* get a short read for the last read of each frame. Frame sizes are
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* always a composite number (width * height, or a multiple) so if we
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* choose a prime number, we are guaranteed that the last read of a
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* frame will be short.
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*
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* But it isn't that easy: the 2.6 kernel requires a multiple of 4KB,
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* otherwise EOVERFLOW "babbling" errors occur. I have not been able
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* to figure out why. [PMiller]
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*
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* The constant (13 * 4096) is the largest "prime enough" number less than 64KB.
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*
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* It isn't enough to know the number of bytes per frame, in case we
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* have data dropouts or buffer overruns (even though the FX2 double
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* buffers, there are some pretty strict real time constraints for
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* isochronous transfer for larger frame sizes).
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*/
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#define OVFX2_BULK_SIZE (13 * 4096)
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/* I2C registers */
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#define R51x_I2C_W_SID 0x41
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#define R51x_I2C_SADDR_3 0x42
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@ -480,6 +514,7 @@ static const struct v4l2_pix_format ovfx2_ov3610_mode[] = {
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#define R51x_I2C_R_SID 0x44
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#define R51x_I2C_DATA 0x45
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#define R518_I2C_CTL 0x47 /* OV518(+) only */
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#define OVFX2_I2C_ADDR 0x00
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/* I2C ADDRESSES */
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#define OV7xx0_SID 0x42
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@ -579,7 +614,7 @@ struct ov_i2c_regvals {
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/* Settings for OV2610 camera chip */
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static const struct ov_i2c_regvals norm_2610[] =
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{
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{ 0x10, 0x80 }, /* reset */
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{ 0x12, 0x80 }, /* reset */
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};
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static const struct ov_i2c_regvals norm_3620b[] =
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@ -1803,7 +1838,23 @@ static unsigned char ov7670_abs_to_sm(unsigned char v)
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static int reg_w(struct sd *sd, __u16 index, __u8 value)
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{
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int ret;
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int req = (sd->bridge <= BRIDGE_OV511PLUS) ? 2 : 1;
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int req;
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switch (sd->bridge) {
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case BRIDGE_OV511:
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case BRIDGE_OV511PLUS:
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req = 2;
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break;
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case BRIDGE_OVFX2:
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ret = usb_control_msg(sd->gspca_dev.dev,
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usb_sndctrlpipe(sd->gspca_dev.dev, 0),
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0x0a,
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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(__u16)value, index, NULL, 0, 500);
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goto leave;
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default:
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req = 1;
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}
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sd->gspca_dev.usb_buf[0] = value;
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ret = usb_control_msg(sd->gspca_dev.dev,
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@ -1812,6 +1863,7 @@ static int reg_w(struct sd *sd, __u16 index, __u8 value)
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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0, index,
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sd->gspca_dev.usb_buf, 1, 500);
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leave:
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if (ret < 0)
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PDEBUG(D_ERR, "Write reg [%02x] %02x failed", index, value);
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return ret;
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@ -1822,7 +1874,19 @@ static int reg_w(struct sd *sd, __u16 index, __u8 value)
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static int reg_r(struct sd *sd, __u16 index)
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{
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int ret;
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int req = (sd->bridge <= BRIDGE_OV511PLUS) ? 3 : 1;
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int req;
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switch (sd->bridge) {
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case BRIDGE_OV511:
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case BRIDGE_OV511PLUS:
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req = 3;
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break;
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case BRIDGE_OVFX2:
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req = 0x0b;
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break;
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default:
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req = 1;
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}
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ret = usb_control_msg(sd->gspca_dev.dev,
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usb_rcvctrlpipe(sd->gspca_dev.dev, 0),
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@ -2082,6 +2146,43 @@ static int ov518_i2c_r(struct sd *sd, __u8 reg)
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return value;
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}
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static int ovfx2_i2c_w(struct sd *sd, __u8 reg, __u8 value)
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{
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int ret;
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ret = usb_control_msg(sd->gspca_dev.dev,
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usb_sndctrlpipe(sd->gspca_dev.dev, 0),
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0x02,
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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(__u16)value, (__u16)reg, NULL, 0, 500);
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if (ret >= 0)
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PDEBUG(D_USBO, "i2c 0x%02x -> [0x%02x]", value, reg);
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else
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PDEBUG(D_ERR, "i2c 0x%02x -> [0x%02x] failed", value, reg);
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return ret;
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}
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static int ovfx2_i2c_r(struct sd *sd, __u8 reg)
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{
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int ret;
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ret = usb_control_msg(sd->gspca_dev.dev,
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usb_rcvctrlpipe(sd->gspca_dev.dev, 0),
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0x03,
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USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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0, (__u16)reg, sd->gspca_dev.usb_buf, 1, 500);
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if (ret >= 0) {
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ret = sd->gspca_dev.usb_buf[0];
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PDEBUG(D_USBI, "i2c [0x%02X] -> 0x%02X", reg, ret);
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} else
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PDEBUG(D_ERR, "i2c read [0x%02x] failed", reg);
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return ret;
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}
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static int i2c_w(struct sd *sd, __u8 reg, __u8 value)
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{
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switch (sd->bridge) {
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@ -2092,6 +2193,8 @@ static int i2c_w(struct sd *sd, __u8 reg, __u8 value)
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case BRIDGE_OV518PLUS:
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case BRIDGE_OV519:
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return ov518_i2c_w(sd, reg, value);
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case BRIDGE_OVFX2:
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return ovfx2_i2c_w(sd, reg, value);
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}
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return -1; /* Should never happen */
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}
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@ -2106,6 +2209,8 @@ static int i2c_r(struct sd *sd, __u8 reg)
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case BRIDGE_OV518PLUS:
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case BRIDGE_OV519:
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return ov518_i2c_r(sd, reg);
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case BRIDGE_OVFX2:
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return ovfx2_i2c_r(sd, reg);
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}
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return -1; /* Should never happen */
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}
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@ -2147,6 +2252,8 @@ static inline int ov51x_stop(struct sd *sd)
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return reg_w_mask(sd, R51x_SYS_RESET, 0x3a, 0x3a);
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case BRIDGE_OV519:
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return reg_w(sd, OV519_SYS_RESET1, 0x0f);
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case BRIDGE_OVFX2:
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return reg_w_mask(sd, 0x0f, 0x00, 0x02);
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}
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return 0;
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@ -2176,6 +2283,8 @@ static inline int ov51x_restart(struct sd *sd)
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return reg_w(sd, R51x_SYS_RESET, 0x00);
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case BRIDGE_OV519:
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return reg_w(sd, OV519_SYS_RESET1, 0x00);
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case BRIDGE_OVFX2:
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return reg_w_mask(sd, 0x0f, 0x02, 0x02);
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}
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return 0;
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@ -2229,6 +2338,9 @@ static int ov51x_set_slave_ids(struct sd *sd,
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{
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int rc;
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if (sd->bridge == BRIDGE_OVFX2)
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return reg_w(sd, OVFX2_I2C_ADDR, slave);
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rc = reg_w(sd, R51x_I2C_W_SID, slave);
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if (rc < 0)
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return rc;
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@ -2762,12 +2874,29 @@ static int ov519_configure(struct sd *sd)
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return write_regvals(sd, init_519, ARRAY_SIZE(init_519));
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}
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static int ovfx2_configure(struct sd *sd)
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{
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static const struct ov_regvals init_fx2[] = {
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{ 0x00, 0x60 },
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{ 0x02, 0x01 },
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{ 0x0f, 0x1d },
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{ 0xe9, 0x82 },
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{ 0xea, 0xc7 },
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{ 0xeb, 0x10 },
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{ 0xec, 0xf6 },
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};
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sd->stopped = 1;
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return write_regvals(sd, init_fx2, ARRAY_SIZE(init_fx2));
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}
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/* this function is called at probe time */
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static int sd_config(struct gspca_dev *gspca_dev,
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const struct usb_device_id *id)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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struct cam *cam;
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struct cam *cam = &gspca_dev->cam;
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int ret = 0;
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sd->bridge = id->driver_info & BRIDGE_MASK;
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@ -2785,6 +2914,12 @@ static int sd_config(struct gspca_dev *gspca_dev,
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case BRIDGE_OV519:
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ret = ov519_configure(sd);
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break;
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case BRIDGE_OVFX2:
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ret = ovfx2_configure(sd);
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cam->bulk_size = OVFX2_BULK_SIZE;
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cam->bulk_nurbs = MAX_NURBS;
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cam->bulk = 1;
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break;
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}
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if (ret)
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@ -2825,7 +2960,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
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goto error;
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}
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cam = &gspca_dev->cam;
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switch (sd->bridge) {
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case BRIDGE_OV511:
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case BRIDGE_OV511PLUS:
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@ -3388,9 +3522,9 @@ static int mode_init_ov_sensor_regs(struct sd *sd)
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if (qvga) {
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xstart = (1040 - gspca_dev->width) / 2 + (0x1f << 4);
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ystart = (772 - gspca_dev->height) / 2;
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ystart = (776 - gspca_dev->height) / 2;
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} else {
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xstart = (2080 - gspca_dev->width) / 2 + (0x10 << 4);
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xstart = (2076 - gspca_dev->width) / 2 + (0x10 << 4);
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ystart = (1544 - gspca_dev->height) / 2;
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}
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xend = xstart + gspca_dev->width;
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@ -3685,6 +3819,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
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case BRIDGE_OV519:
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ret = ov519_mode_init_regs(sd);
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break;
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/* case BRIDGE_OVFX2: nothing to do */
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}
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if (ret < 0)
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goto out;
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@ -3850,6 +3985,20 @@ static void ov519_pkt_scan(struct gspca_dev *gspca_dev,
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data, len);
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}
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static void ovfx2_pkt_scan(struct gspca_dev *gspca_dev,
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struct gspca_frame *frame, /* target */
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__u8 *data, /* isoc packet */
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int len) /* iso packet length */
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{
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/* A short read signals EOF */
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if (len < OVFX2_BULK_SIZE) {
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gspca_frame_add(gspca_dev, LAST_PACKET, frame, data, len);
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gspca_frame_add(gspca_dev, FIRST_PACKET, frame, NULL, 0);
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return;
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}
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gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
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}
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static void sd_pkt_scan(struct gspca_dev *gspca_dev,
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struct gspca_frame *frame, /* target */
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__u8 *data, /* isoc packet */
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@ -3869,6 +4018,9 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
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case BRIDGE_OV519:
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ov519_pkt_scan(gspca_dev, frame, data, len);
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break;
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case BRIDGE_OVFX2:
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ovfx2_pkt_scan(gspca_dev, frame, data, len);
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break;
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}
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}
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@ -4237,11 +4389,15 @@ static const __devinitdata struct usb_device_id device_table[] = {
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{USB_DEVICE(0x05a9, 0x0518), .driver_info = BRIDGE_OV518 },
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{USB_DEVICE(0x05a9, 0x0519), .driver_info = BRIDGE_OV519 },
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{USB_DEVICE(0x05a9, 0x0530), .driver_info = BRIDGE_OV519 },
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{USB_DEVICE(0x05a9, 0x2800), .driver_info = BRIDGE_OVFX2 },
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{USB_DEVICE(0x05a9, 0x4519), .driver_info = BRIDGE_OV519 },
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{USB_DEVICE(0x05a9, 0x8519), .driver_info = BRIDGE_OV519 },
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{USB_DEVICE(0x05a9, 0xa511), .driver_info = BRIDGE_OV511PLUS },
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{USB_DEVICE(0x05a9, 0xa518), .driver_info = BRIDGE_OV518PLUS },
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{USB_DEVICE(0x0813, 0x0002), .driver_info = BRIDGE_OV511PLUS },
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{USB_DEVICE(0x0b62, 0x0059), .driver_info = BRIDGE_OVFX2 },
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{USB_DEVICE(0x0e96, 0xc001), .driver_info = BRIDGE_OVFX2 },
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{USB_DEVICE(0x8020, 0xEF04), .driver_info = BRIDGE_OVFX2 },
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{}
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};
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