diff options
Diffstat (limited to 'drivers/media/usb/gspca/m5602/m5602_ov9650.c')
| -rw-r--r-- | drivers/media/usb/gspca/m5602/m5602_ov9650.c | 184 |
1 files changed, 166 insertions, 18 deletions
diff --git a/drivers/media/usb/gspca/m5602/m5602_ov9650.c b/drivers/media/usb/gspca/m5602/m5602_ov9650.c index 59bc62bfae26..82a698052255 100644 --- a/drivers/media/usb/gspca/m5602/m5602_ov9650.c +++ b/drivers/media/usb/gspca/m5602/m5602_ov9650.c @@ -1,3 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only + /* * Driver for the ov9650 sensor * @@ -9,11 +11,6 @@ * Copyright (c) 2006 Willem Duinker * v4l2 interface modeled after the V4L2 driver * for SN9C10x PC Camera Controllers - * - * 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, version 2. - * */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -23,6 +20,157 @@ static int ov9650_s_ctrl(struct v4l2_ctrl *ctrl); static void ov9650_dump_registers(struct sd *sd); +static const unsigned char preinit_ov9650[][3] = { + /* [INITCAM] */ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, + + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a}, + /* Reset chip */ + {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET}, + /* Enable double clock */ + {SENSOR, OV9650_CLKRC, 0x80}, + /* Do something out of spec with the power */ + {SENSOR, OV9650_OFON, 0x40} +}; + +static const unsigned char init_ov9650[][3] = { + /* [INITCAM] */ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, + + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a}, + + /* Reset chip */ + {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET}, + /* One extra reset is needed in order to make the sensor behave + properly when resuming from ram, could be a timing issue */ + {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET}, + + /* Enable double clock */ + {SENSOR, OV9650_CLKRC, 0x80}, + /* Do something out of spec with the power */ + {SENSOR, OV9650_OFON, 0x40}, + + /* Set fast AGC/AEC algorithm with unlimited step size */ + {SENSOR, OV9650_COM8, OV9650_FAST_AGC_AEC | + OV9650_AEC_UNLIM_STEP_SIZE}, + + {SENSOR, OV9650_CHLF, 0x10}, + {SENSOR, OV9650_ARBLM, 0xbf}, + {SENSOR, OV9650_ACOM38, 0x81}, + /* Turn off color matrix coefficient double option */ + {SENSOR, OV9650_COM16, 0x00}, + /* Enable color matrix for RGB/YUV, Delay Y channel, + set output Y/UV delay to 1 */ + {SENSOR, OV9650_COM13, 0x19}, + /* Enable digital BLC, Set output mode to U Y V Y */ + {SENSOR, OV9650_TSLB, 0x0c}, + /* Limit the AGC/AEC stable upper region */ + {SENSOR, OV9650_COM24, 0x00}, + /* Enable HREF and some out of spec things */ + {SENSOR, OV9650_COM12, 0x73}, + /* Set all DBLC offset signs to positive and + do some out of spec stuff */ + {SENSOR, OV9650_DBLC1, 0xdf}, + {SENSOR, OV9650_COM21, 0x06}, + {SENSOR, OV9650_RSVD35, 0x91}, + /* Necessary, no camera stream without it */ + {SENSOR, OV9650_RSVD16, 0x06}, + {SENSOR, OV9650_RSVD94, 0x99}, + {SENSOR, OV9650_RSVD95, 0x99}, + {SENSOR, OV9650_RSVD96, 0x04}, + /* Enable full range output */ + {SENSOR, OV9650_COM15, 0x0}, + /* Enable HREF at optical black, enable ADBLC bias, + enable ADBLC, reset timings at format change */ + {SENSOR, OV9650_COM6, 0x4b}, + /* Subtract 32 from the B channel bias */ + {SENSOR, OV9650_BBIAS, 0xa0}, + /* Subtract 32 from the Gb channel bias */ + {SENSOR, OV9650_GbBIAS, 0xa0}, + /* Do not bypass the analog BLC and to some out of spec stuff */ + {SENSOR, OV9650_Gr_COM, 0x00}, + /* Subtract 32 from the R channel bias */ + {SENSOR, OV9650_RBIAS, 0xa0}, + /* Subtract 32 from the R channel bias */ + {SENSOR, OV9650_RBIAS, 0x0}, + {SENSOR, OV9650_COM26, 0x80}, + {SENSOR, OV9650_ACOMA9, 0x98}, + /* Set the AGC/AEC stable region upper limit */ + {SENSOR, OV9650_AEW, 0x68}, + /* Set the AGC/AEC stable region lower limit */ + {SENSOR, OV9650_AEB, 0x5c}, + /* Set the high and low limit nibbles to 3 */ + {SENSOR, OV9650_VPT, 0xc3}, + /* Set the Automatic Gain Ceiling (AGC) to 128x, + drop VSYNC at frame drop, + limit exposure timing, + drop frame when the AEC step is larger than the exposure gap */ + {SENSOR, OV9650_COM9, 0x6e}, + /* Set VSYNC negative, Set RESET to SLHS (slave mode horizontal sync) + and set PWDN to SLVS (slave mode vertical sync) */ + {SENSOR, OV9650_COM10, 0x42}, + /* Set horizontal column start high to default value */ + {SENSOR, OV9650_HSTART, 0x1a}, /* 210 */ + /* Set horizontal column end */ + {SENSOR, OV9650_HSTOP, 0xbf}, /* 1534 */ + /* Complementing register to the two writes above */ + {SENSOR, OV9650_HREF, 0xb2}, + /* Set vertical row start high bits */ + {SENSOR, OV9650_VSTRT, 0x02}, + /* Set vertical row end low bits */ + {SENSOR, OV9650_VSTOP, 0x7e}, + /* Set complementing vertical frame control */ + {SENSOR, OV9650_VREF, 0x10}, + {SENSOR, OV9650_ADC, 0x04}, + {SENSOR, OV9650_HV, 0x40}, + + /* Enable denoise, and white-pixel erase */ + {SENSOR, OV9650_COM22, OV9650_DENOISE_ENABLE | + OV9650_WHITE_PIXEL_ENABLE | + OV9650_WHITE_PIXEL_OPTION}, + + /* Enable VARIOPIXEL */ + {SENSOR, OV9650_COM3, OV9650_VARIOPIXEL}, + {SENSOR, OV9650_COM4, OV9650_QVGA_VARIOPIXEL}, + + /* Put the sensor in soft sleep mode */ + {SENSOR, OV9650_COM2, OV9650_SOFT_SLEEP | OV9650_OUTPUT_DRIVE_2X}, +}; + +static const unsigned char res_init_ov9650[][3] = { + {SENSOR, OV9650_COM2, OV9650_OUTPUT_DRIVE_2X}, + + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x82}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_L, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82}, + {BRIDGE, M5602_XB_PIX_OF_LINE_L, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01} +}; + /* Vertically and horizontally flips the image if matched, needed for machines where the sensor is mounted upside down */ static @@ -159,7 +307,7 @@ int ov9650_probe(struct sd *sd) return -ENODEV; } - PDEBUG(D_PROBE, "Probing for an ov9650 sensor"); + gspca_dbg(gspca_dev, D_PROBE, "Probing for an ov9650 sensor\n"); /* Run the pre-init before probing the sensor */ for (i = 0; i < ARRAY_SIZE(preinit_ov9650) && !err; i++) { @@ -353,7 +501,7 @@ int ov9650_start(struct sd *sd) switch (width) { case 640: - PDEBUG(D_CONF, "Configuring camera for VGA mode"); + gspca_dbg(gspca_dev, D_CONF, "Configuring camera for VGA mode\n"); data = OV9650_VGA_SELECT | OV9650_RGB_SELECT | OV9650_RAW_RGB_SELECT; @@ -361,7 +509,7 @@ int ov9650_start(struct sd *sd) break; case 352: - PDEBUG(D_CONF, "Configuring camera for CIF mode"); + gspca_dbg(gspca_dev, D_CONF, "Configuring camera for CIF mode\n"); data = OV9650_CIF_SELECT | OV9650_RGB_SELECT | OV9650_RAW_RGB_SELECT; @@ -369,7 +517,7 @@ int ov9650_start(struct sd *sd) break; case 320: - PDEBUG(D_CONF, "Configuring camera for QVGA mode"); + gspca_dbg(gspca_dev, D_CONF, "Configuring camera for QVGA mode\n"); data = OV9650_QVGA_SELECT | OV9650_RGB_SELECT | OV9650_RAW_RGB_SELECT; @@ -377,7 +525,7 @@ int ov9650_start(struct sd *sd) break; case 176: - PDEBUG(D_CONF, "Configuring camera for QCIF mode"); + gspca_dbg(gspca_dev, D_CONF, "Configuring camera for QCIF mode\n"); data = OV9650_QCIF_SELECT | OV9650_RGB_SELECT | OV9650_RAW_RGB_SELECT; @@ -406,7 +554,7 @@ static int ov9650_set_exposure(struct gspca_dev *gspca_dev, __s32 val) u8 i2c_data; int err; - PDEBUG(D_CONF, "Set exposure to %d", val); + gspca_dbg(gspca_dev, D_CONF, "Set exposure to %d\n", val); /* The 6 MSBs */ i2c_data = (val >> 10) & 0x3f; @@ -434,7 +582,7 @@ static int ov9650_set_gain(struct gspca_dev *gspca_dev, __s32 val) u8 i2c_data; struct sd *sd = (struct sd *) gspca_dev; - PDEBUG(D_CONF, "Setting gain to %d", val); + gspca_dbg(gspca_dev, D_CONF, "Setting gain to %d\n", val); /* The 2 MSB */ /* Read the OV9650_VREF register first to avoid @@ -462,7 +610,7 @@ static int ov9650_set_red_balance(struct gspca_dev *gspca_dev, __s32 val) u8 i2c_data; struct sd *sd = (struct sd *) gspca_dev; - PDEBUG(D_CONF, "Set red gain to %d", val); + gspca_dbg(gspca_dev, D_CONF, "Set red gain to %d\n", val); i2c_data = val & 0xff; err = m5602_write_sensor(sd, OV9650_RED, &i2c_data, 1); @@ -475,7 +623,7 @@ static int ov9650_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val) u8 i2c_data; struct sd *sd = (struct sd *) gspca_dev; - PDEBUG(D_CONF, "Set blue gain to %d", val); + gspca_dbg(gspca_dev, D_CONF, "Set blue gain to %d\n", val); i2c_data = val & 0xff; err = m5602_write_sensor(sd, OV9650_BLUE, &i2c_data, 1); @@ -490,7 +638,7 @@ static int ov9650_set_hvflip(struct gspca_dev *gspca_dev) int hflip = sd->hflip->val; int vflip = sd->vflip->val; - PDEBUG(D_CONF, "Set hvflip to %d %d", hflip, vflip); + gspca_dbg(gspca_dev, D_CONF, "Set hvflip to %d %d\n", hflip, vflip); if (dmi_check_system(ov9650_flip_dmi_table)) vflip = !vflip; @@ -514,7 +662,7 @@ static int ov9650_set_auto_exposure(struct gspca_dev *gspca_dev, u8 i2c_data; struct sd *sd = (struct sd *) gspca_dev; - PDEBUG(D_CONF, "Set auto exposure control to %d", val); + gspca_dbg(gspca_dev, D_CONF, "Set auto exposure control to %d\n", val); err = m5602_read_sensor(sd, OV9650_COM8, &i2c_data, 1); if (err < 0) @@ -533,7 +681,7 @@ static int ov9650_set_auto_white_balance(struct gspca_dev *gspca_dev, u8 i2c_data; struct sd *sd = (struct sd *) gspca_dev; - PDEBUG(D_CONF, "Set auto white balance to %d", val); + gspca_dbg(gspca_dev, D_CONF, "Set auto white balance to %d\n", val); err = m5602_read_sensor(sd, OV9650_COM8, &i2c_data, 1); if (err < 0) @@ -551,7 +699,7 @@ static int ov9650_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val) u8 i2c_data; struct sd *sd = (struct sd *) gspca_dev; - PDEBUG(D_CONF, "Set auto gain control to %d", val); + gspca_dbg(gspca_dev, D_CONF, "Set auto gain control to %d\n", val); err = m5602_read_sensor(sd, OV9650_COM8, &i2c_data, 1); if (err < 0) |