fb6e5953dc
Changes in 4.9.271 mm, vmstat: drop zone->lock in /proc/pagetypeinfo tweewide: Fix most Shebang lines scripts: switch explicitly to Python 3 netfilter: x_tables: Use correct memory barriers. NFC: nci: fix memory leak in nci_allocate_device NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return() proc: Check /proc/$pid/attr/ writes against file opener net: hso: fix control-request directions mac80211: assure all fragments are encrypted mac80211: prevent mixed key and fragment cache attacks mac80211: properly handle A-MSDUs that start with an RFC 1042 header cfg80211: mitigate A-MSDU aggregation attacks mac80211: drop A-MSDUs on old ciphers mac80211: add fragment cache to sta_info mac80211: check defrag PN against current frame mac80211: prevent attacks on TKIP/WEP as well mac80211: do not accept/forward invalid EAPOL frames mac80211: extend protection against mixed key and fragment cache attacks ath10k: Validate first subframe of A-MSDU before processing the list dm snapshot: properly fix a crash when an origin has no snapshots kgdb: fix gcc-11 warnings harder misc/uss720: fix memory leak in uss720_probe mei: request autosuspend after sending rx flow control staging: iio: cdc: ad7746: avoid overwrite of num_channels iio: adc: ad7793: Add missing error code in ad7793_setup() USB: trancevibrator: fix control-request direction serial: rp2: use 'request_firmware' instead of 'request_firmware_nowait' USB: serial: ti_usb_3410_5052: add startech.com device id USB: serial: option: add Telit LE910-S1 compositions 0x7010, 0x7011 USB: serial: ftdi_sio: add IDs for IDS GmbH Products USB: serial: pl2303: add device id for ADLINK ND-6530 GC net: usb: fix memory leak in smsc75xx_bind spi: Fix use-after-free with devm_spi_alloc_* Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails NFS: fix an incorrect limit in filelayout_decode_layout() NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce() NFSv4: Fix v4.0/v4.1 SEEK_DATA return -ENOTSUPP when set NFS_V4_2 config net/mlx4: Fix EEPROM dump support Revert "net:tipc: Fix a double free in tipc_sk_mcast_rcv" tipc: skb_linearize the head skb when reassembling msgs i2c: s3c2410: fix possible NULL pointer deref on read message after write i2c: i801: Don't generate an interrupt on bus reset perf jevents: Fix getting maximum number of fds platform/x86: hp_accel: Avoid invoking _INI to speed up resume serial: max310x: unregister uart driver in case of failure and abort net: fujitsu: fix potential null-ptr-deref net: caif: remove BUG_ON(dev == NULL) in caif_xmit char: hpet: add checks after calling ioremap isdn: mISDNinfineon: check/cleanup ioremap failure correctly in setup_io dmaengine: qcom_hidma: comment platform_driver_register call libertas: register sysfs groups properly media: dvb: Add check on sp8870_readreg return media: gspca: properly check for errors in po1030_probe() scsi: BusLogic: Fix 64-bit system enumeration error for Buslogic openrisc: Define memory barrier mb btrfs: do not BUG_ON in link_to_fixup_dir platform/x86: intel_punit_ipc: Append MODULE_DEVICE_TABLE for ACPI drm/amdgpu: Fix a use-after-free net: netcp: Fix an error message net: mdio: thunder: Fix a double free issue in the .remove function net: mdio: octeon: Fix some double free issues net: bnx2: Fix error return code in bnx2_init_board() mld: fix panic in mld_newpack() staging: emxx_udc: fix loop in _nbu2ss_nuke() ASoC: cs35l33: fix an error code in probe() scsi: libsas: Use _safe() loop in sas_resume_port() sch_dsmark: fix a NULL deref in qdisc_reset() MIPS: alchemy: xxs1500: add gpio-au1000.h header file MIPS: ralink: export rt_sysc_membase for rt2880_wdt.c hugetlbfs: hugetlb_fault_mutex_hash() cleanup usb: core: reduce power-on-good delay time of root hub Linux 4.9.271 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I6da4427d9ada52cbebbcc4d69e74f9ecebd9ad8b
627 lines
16 KiB
C
627 lines
16 KiB
C
/*
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* Driver for the po1030 sensor
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*
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* Copyright (c) 2008 Erik Andrén
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* Copyright (c) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
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* Copyright (c) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
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*
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* Portions of code to USB interface and ALi driver software,
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* Copyright (c) 2006 Willem Duinker
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* v4l2 interface modeled after the V4L2 driver
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* for SN9C10x PC Camera Controllers
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include "m5602_po1030.h"
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static int po1030_s_ctrl(struct v4l2_ctrl *ctrl);
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static void po1030_dump_registers(struct sd *sd);
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static const unsigned char preinit_po1030[][3] = {
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{BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02},
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{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0},
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{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
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{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
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{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
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{BRIDGE, M5602_XB_SENSOR_CTRL, 0x00},
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{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c},
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{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
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{BRIDGE, M5602_XB_GPIO_DIR, 0x05},
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{BRIDGE, M5602_XB_GPIO_DAT, 0x04},
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{BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
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{BRIDGE, M5602_XB_GPIO_DIR_H, 0x06},
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{BRIDGE, M5602_XB_GPIO_DAT_H, 0x02},
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{SENSOR, PO1030_AUTOCTRL2, PO1030_SENSOR_RESET | (1 << 2)},
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{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04},
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{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
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{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
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{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
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{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c},
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{BRIDGE, M5602_XB_GPIO_DIR, 0x05},
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{BRIDGE, M5602_XB_GPIO_DAT, 0x00}
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};
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static const unsigned char init_po1030[][3] = {
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{BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02},
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{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0},
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{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
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{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
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{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
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{BRIDGE, M5602_XB_SENSOR_CTRL, 0x00},
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{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c},
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{SENSOR, PO1030_AUTOCTRL2, PO1030_SENSOR_RESET | (1 << 2)},
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{BRIDGE, M5602_XB_GPIO_DIR, 0x05},
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{BRIDGE, M5602_XB_GPIO_DAT, 0x04},
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{BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
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{BRIDGE, M5602_XB_GPIO_EN_L, 0x00},
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{BRIDGE, M5602_XB_GPIO_DIR_H, 0x06},
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{BRIDGE, M5602_XB_GPIO_DAT_H, 0x02},
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{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04},
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{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
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{BRIDGE, M5602_XB_GPIO_DIR, 0x05},
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{BRIDGE, M5602_XB_GPIO_DAT, 0x00},
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{SENSOR, PO1030_AUTOCTRL2, 0x04},
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{SENSOR, PO1030_OUTFORMCTRL2, PO1030_RAW_RGB_BAYER},
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{SENSOR, PO1030_AUTOCTRL1, PO1030_WEIGHT_WIN_2X},
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{SENSOR, PO1030_CONTROL2, 0x03},
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{SENSOR, 0x21, 0x90},
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{SENSOR, PO1030_YTARGET, 0x60},
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{SENSOR, 0x59, 0x13},
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{SENSOR, PO1030_OUTFORMCTRL1, PO1030_HREF_ENABLE},
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{SENSOR, PO1030_EDGE_ENH_OFF, 0x00},
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{SENSOR, PO1030_EGA, 0x80},
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{SENSOR, 0x78, 0x14},
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{SENSOR, 0x6f, 0x01},
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{SENSOR, PO1030_GLOBALGAINMAX, 0x14},
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{SENSOR, PO1030_Cb_U_GAIN, 0x38},
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{SENSOR, PO1030_Cr_V_GAIN, 0x38},
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{SENSOR, PO1030_CONTROL1, PO1030_SHUTTER_MODE |
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PO1030_AUTO_SUBSAMPLING |
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PO1030_FRAME_EQUAL},
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{SENSOR, PO1030_GC0, 0x10},
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{SENSOR, PO1030_GC1, 0x20},
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{SENSOR, PO1030_GC2, 0x40},
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{SENSOR, PO1030_GC3, 0x60},
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{SENSOR, PO1030_GC4, 0x80},
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{SENSOR, PO1030_GC5, 0xa0},
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{SENSOR, PO1030_GC6, 0xc0},
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{SENSOR, PO1030_GC7, 0xff},
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/* Set the width to 751 */
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{SENSOR, PO1030_FRAMEWIDTH_H, 0x02},
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{SENSOR, PO1030_FRAMEWIDTH_L, 0xef},
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/* Set the height to 540 */
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{SENSOR, PO1030_FRAMEHEIGHT_H, 0x02},
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{SENSOR, PO1030_FRAMEHEIGHT_L, 0x1c},
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/* Set the x window to 1 */
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{SENSOR, PO1030_WINDOWX_H, 0x00},
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{SENSOR, PO1030_WINDOWX_L, 0x01},
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/* Set the y window to 1 */
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{SENSOR, PO1030_WINDOWY_H, 0x00},
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{SENSOR, PO1030_WINDOWY_L, 0x01},
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/* with a very low lighted environment increase the exposure but
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* decrease the FPS (Frame Per Second) */
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{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
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{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
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{BRIDGE, M5602_XB_GPIO_DIR, 0x05},
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{BRIDGE, M5602_XB_GPIO_DAT, 0x00},
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{BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
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{BRIDGE, M5602_XB_GPIO_EN_L, 0x00},
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};
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static struct v4l2_pix_format po1030_modes[] = {
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{
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640,
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480,
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V4L2_PIX_FMT_SBGGR8,
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V4L2_FIELD_NONE,
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.sizeimage = 640 * 480,
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.bytesperline = 640,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 2
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}
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};
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static const struct v4l2_ctrl_ops po1030_ctrl_ops = {
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.s_ctrl = po1030_s_ctrl,
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};
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static const struct v4l2_ctrl_config po1030_greenbal_cfg = {
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.ops = &po1030_ctrl_ops,
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.id = M5602_V4L2_CID_GREEN_BALANCE,
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.name = "Green Balance",
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.type = V4L2_CTRL_TYPE_INTEGER,
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.min = 0,
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.max = 255,
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.step = 1,
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.def = PO1030_GREEN_GAIN_DEFAULT,
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.flags = V4L2_CTRL_FLAG_SLIDER,
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};
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int po1030_probe(struct sd *sd)
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{
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u8 dev_id_h = 0, i;
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int err;
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struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
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if (force_sensor) {
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if (force_sensor == PO1030_SENSOR) {
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pr_info("Forcing a %s sensor\n", po1030.name);
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goto sensor_found;
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}
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/* If we want to force another sensor, don't try to probe this
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* one */
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return -ENODEV;
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}
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PDEBUG(D_PROBE, "Probing for a po1030 sensor");
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/* Run the pre-init to actually probe the unit */
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for (i = 0; i < ARRAY_SIZE(preinit_po1030); i++) {
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u8 data = preinit_po1030[i][2];
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if (preinit_po1030[i][0] == SENSOR)
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err = m5602_write_sensor(sd, preinit_po1030[i][1],
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&data, 1);
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else
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err = m5602_write_bridge(sd, preinit_po1030[i][1],
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data);
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if (err < 0)
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return err;
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}
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if (m5602_read_sensor(sd, PO1030_DEVID_H, &dev_id_h, 1))
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return -ENODEV;
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if (dev_id_h == 0x30) {
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pr_info("Detected a po1030 sensor\n");
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goto sensor_found;
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}
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return -ENODEV;
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sensor_found:
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sd->gspca_dev.cam.cam_mode = po1030_modes;
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sd->gspca_dev.cam.nmodes = ARRAY_SIZE(po1030_modes);
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return 0;
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}
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int po1030_init(struct sd *sd)
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{
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int i, err = 0;
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/* Init the sensor */
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for (i = 0; i < ARRAY_SIZE(init_po1030) && !err; i++) {
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u8 data[2] = {0x00, 0x00};
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switch (init_po1030[i][0]) {
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case BRIDGE:
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err = m5602_write_bridge(sd,
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init_po1030[i][1],
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init_po1030[i][2]);
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break;
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case SENSOR:
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data[0] = init_po1030[i][2];
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err = m5602_write_sensor(sd,
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init_po1030[i][1], data, 1);
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break;
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default:
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pr_info("Invalid stream command, exiting init\n");
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return -EINVAL;
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}
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}
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if (err < 0)
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return err;
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if (dump_sensor)
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po1030_dump_registers(sd);
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return 0;
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}
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int po1030_init_controls(struct sd *sd)
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{
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struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
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sd->gspca_dev.vdev.ctrl_handler = hdl;
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v4l2_ctrl_handler_init(hdl, 9);
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sd->auto_white_bal = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops,
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V4L2_CID_AUTO_WHITE_BALANCE,
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0, 1, 1, 0);
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sd->green_bal = v4l2_ctrl_new_custom(hdl, &po1030_greenbal_cfg, NULL);
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sd->red_bal = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops,
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V4L2_CID_RED_BALANCE, 0, 255, 1,
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PO1030_RED_GAIN_DEFAULT);
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sd->blue_bal = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops,
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V4L2_CID_BLUE_BALANCE, 0, 255, 1,
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PO1030_BLUE_GAIN_DEFAULT);
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sd->autoexpo = v4l2_ctrl_new_std_menu(hdl, &po1030_ctrl_ops,
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V4L2_CID_EXPOSURE_AUTO, 1, 0, V4L2_EXPOSURE_MANUAL);
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sd->expo = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, V4L2_CID_EXPOSURE,
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0, 0x2ff, 1, PO1030_EXPOSURE_DEFAULT);
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sd->gain = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, V4L2_CID_GAIN, 0,
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0x4f, 1, PO1030_GLOBAL_GAIN_DEFAULT);
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sd->hflip = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, V4L2_CID_HFLIP,
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0, 1, 1, 0);
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sd->vflip = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, V4L2_CID_VFLIP,
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0, 1, 1, 0);
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if (hdl->error) {
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pr_err("Could not initialize controls\n");
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return hdl->error;
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}
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v4l2_ctrl_auto_cluster(4, &sd->auto_white_bal, 0, false);
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v4l2_ctrl_auto_cluster(2, &sd->autoexpo, 0, false);
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v4l2_ctrl_cluster(2, &sd->hflip);
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return 0;
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}
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int po1030_start(struct sd *sd)
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{
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struct cam *cam = &sd->gspca_dev.cam;
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int i, err = 0;
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int width = cam->cam_mode[sd->gspca_dev.curr_mode].width;
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int height = cam->cam_mode[sd->gspca_dev.curr_mode].height;
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int ver_offs = cam->cam_mode[sd->gspca_dev.curr_mode].priv;
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u8 data;
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switch (width) {
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case 320:
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data = PO1030_SUBSAMPLING;
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err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1);
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if (err < 0)
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return err;
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data = ((width + 3) >> 8) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1);
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if (err < 0)
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return err;
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data = (width + 3) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1);
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if (err < 0)
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return err;
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data = ((height + 1) >> 8) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1);
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if (err < 0)
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return err;
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data = (height + 1) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1);
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height += 6;
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width -= 1;
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break;
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case 640:
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data = 0;
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err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1);
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if (err < 0)
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return err;
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data = ((width + 7) >> 8) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1);
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if (err < 0)
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return err;
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data = (width + 7) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1);
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if (err < 0)
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return err;
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data = ((height + 3) >> 8) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1);
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if (err < 0)
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return err;
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data = (height + 3) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1);
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height += 12;
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width -= 2;
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break;
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}
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err = m5602_write_bridge(sd, M5602_XB_SENSOR_TYPE, 0x0c);
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_LINE_OF_FRAME_H, 0x81);
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_PIX_OF_LINE_H, 0x82);
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0x01);
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if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA,
|
|
((ver_offs >> 8) & 0xff));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (ver_offs & 0xff));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
for (i = 0; i < 2 && !err; i++)
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height >> 8) & 0xff);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height & 0xff));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
for (i = 0; i < 2 && !err; i++)
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0);
|
|
|
|
for (i = 0; i < 2 && !err; i++)
|
|
err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0);
|
|
|
|
for (i = 0; i < 2 && !err; i++)
|
|
err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, 0);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, (width >> 8) & 0xff);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, (width & 0xff));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0);
|
|
return err;
|
|
}
|
|
|
|
static int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
PDEBUG(D_CONF, "Set exposure to %d", val & 0xffff);
|
|
|
|
i2c_data = ((val & 0xff00) >> 8);
|
|
PDEBUG(D_CONF, "Set exposure to high byte to 0x%x",
|
|
i2c_data);
|
|
|
|
err = m5602_write_sensor(sd, PO1030_INTEGLINES_H,
|
|
&i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
i2c_data = (val & 0xff);
|
|
PDEBUG(D_CONF, "Set exposure to low byte to 0x%x",
|
|
i2c_data);
|
|
err = m5602_write_sensor(sd, PO1030_INTEGLINES_M,
|
|
&i2c_data, 1);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
i2c_data = val & 0xff;
|
|
PDEBUG(D_CONF, "Set global gain to %d", i2c_data);
|
|
err = m5602_write_sensor(sd, PO1030_GLOBALGAIN,
|
|
&i2c_data, 1);
|
|
return err;
|
|
}
|
|
|
|
static int po1030_set_hvflip(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
PDEBUG(D_CONF, "Set hvflip %d %d", sd->hflip->val, sd->vflip->val);
|
|
err = m5602_read_sensor(sd, PO1030_CONTROL2, &i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
i2c_data = (0x3f & i2c_data) | (sd->hflip->val << 7) |
|
|
(sd->vflip->val << 6);
|
|
|
|
err = m5602_write_sensor(sd, PO1030_CONTROL2,
|
|
&i2c_data, 1);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
i2c_data = val & 0xff;
|
|
PDEBUG(D_CONF, "Set red gain to %d", i2c_data);
|
|
err = m5602_write_sensor(sd, PO1030_RED_GAIN,
|
|
&i2c_data, 1);
|
|
return err;
|
|
}
|
|
|
|
static int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
i2c_data = val & 0xff;
|
|
PDEBUG(D_CONF, "Set blue gain to %d", i2c_data);
|
|
err = m5602_write_sensor(sd, PO1030_BLUE_GAIN,
|
|
&i2c_data, 1);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int po1030_set_green_balance(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
i2c_data = val & 0xff;
|
|
PDEBUG(D_CONF, "Set green gain to %d", i2c_data);
|
|
|
|
err = m5602_write_sensor(sd, PO1030_GREEN_1_GAIN,
|
|
&i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return m5602_write_sensor(sd, PO1030_GREEN_2_GAIN,
|
|
&i2c_data, 1);
|
|
}
|
|
|
|
static int po1030_set_auto_white_balance(struct gspca_dev *gspca_dev,
|
|
__s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
PDEBUG(D_CONF, "Set auto white balance to %d", val);
|
|
i2c_data = (i2c_data & 0xfe) | (val & 0x01);
|
|
err = m5602_write_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1);
|
|
return err;
|
|
}
|
|
|
|
static int po1030_set_auto_exposure(struct gspca_dev *gspca_dev,
|
|
__s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
PDEBUG(D_CONF, "Set auto exposure to %d", val);
|
|
val = (val == V4L2_EXPOSURE_AUTO);
|
|
i2c_data = (i2c_data & 0xfd) | ((val & 0x01) << 1);
|
|
return m5602_write_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1);
|
|
}
|
|
|
|
void po1030_disconnect(struct sd *sd)
|
|
{
|
|
sd->sensor = NULL;
|
|
}
|
|
|
|
static int po1030_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;
|
|
|
|
if (!gspca_dev->streaming)
|
|
return 0;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_AUTO_WHITE_BALANCE:
|
|
err = po1030_set_auto_white_balance(gspca_dev, ctrl->val);
|
|
if (err || ctrl->val)
|
|
return err;
|
|
err = po1030_set_green_balance(gspca_dev, sd->green_bal->val);
|
|
if (err)
|
|
return err;
|
|
err = po1030_set_red_balance(gspca_dev, sd->red_bal->val);
|
|
if (err)
|
|
return err;
|
|
err = po1030_set_blue_balance(gspca_dev, sd->blue_bal->val);
|
|
break;
|
|
case V4L2_CID_EXPOSURE_AUTO:
|
|
err = po1030_set_auto_exposure(gspca_dev, ctrl->val);
|
|
if (err || ctrl->val == V4L2_EXPOSURE_AUTO)
|
|
return err;
|
|
err = po1030_set_exposure(gspca_dev, sd->expo->val);
|
|
break;
|
|
case V4L2_CID_GAIN:
|
|
err = po1030_set_gain(gspca_dev, ctrl->val);
|
|
break;
|
|
case V4L2_CID_HFLIP:
|
|
err = po1030_set_hvflip(gspca_dev);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static void po1030_dump_registers(struct sd *sd)
|
|
{
|
|
int address;
|
|
u8 value = 0;
|
|
|
|
pr_info("Dumping the po1030 sensor core registers\n");
|
|
for (address = 0; address < 0x7f; address++) {
|
|
m5602_read_sensor(sd, address, &value, 1);
|
|
pr_info("register 0x%x contains 0x%x\n", address, value);
|
|
}
|
|
|
|
pr_info("po1030 register state dump complete\n");
|
|
|
|
pr_info("Probing for which registers that are read/write\n");
|
|
for (address = 0; address < 0xff; address++) {
|
|
u8 old_value, ctrl_value;
|
|
u8 test_value[2] = {0xff, 0xff};
|
|
|
|
m5602_read_sensor(sd, address, &old_value, 1);
|
|
m5602_write_sensor(sd, address, test_value, 1);
|
|
m5602_read_sensor(sd, address, &ctrl_value, 1);
|
|
|
|
if (ctrl_value == test_value[0])
|
|
pr_info("register 0x%x is writeable\n", address);
|
|
else
|
|
pr_info("register 0x%x is read only\n", address);
|
|
|
|
/* Restore original value */
|
|
m5602_write_sensor(sd, address, &old_value, 1);
|
|
}
|
|
}
|