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856 lines
19 KiB
856 lines
19 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* vs6624.c ST VS6624 CMOS image sensor driver |
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* |
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* Copyright (c) 2011 Analog Devices Inc. |
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*/ |
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#include <linux/delay.h> |
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#include <linux/errno.h> |
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#include <linux/gpio.h> |
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#include <linux/i2c.h> |
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#include <linux/init.h> |
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#include <linux/module.h> |
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#include <linux/slab.h> |
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#include <linux/types.h> |
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#include <linux/videodev2.h> |
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#include <media/v4l2-ctrls.h> |
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#include <media/v4l2-device.h> |
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#include <media/v4l2-mediabus.h> |
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#include <media/v4l2-image-sizes.h> |
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#include "vs6624_regs.h" |
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#define MAX_FRAME_RATE 30 |
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struct vs6624 { |
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struct v4l2_subdev sd; |
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struct v4l2_ctrl_handler hdl; |
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struct v4l2_fract frame_rate; |
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struct v4l2_mbus_framefmt fmt; |
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unsigned ce_pin; |
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}; |
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static const struct vs6624_format { |
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u32 mbus_code; |
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enum v4l2_colorspace colorspace; |
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} vs6624_formats[] = { |
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{ |
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.mbus_code = MEDIA_BUS_FMT_UYVY8_2X8, |
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.colorspace = V4L2_COLORSPACE_JPEG, |
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}, |
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{ |
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.mbus_code = MEDIA_BUS_FMT_YUYV8_2X8, |
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.colorspace = V4L2_COLORSPACE_JPEG, |
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}, |
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{ |
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.mbus_code = MEDIA_BUS_FMT_RGB565_2X8_LE, |
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.colorspace = V4L2_COLORSPACE_SRGB, |
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}, |
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}; |
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static const struct v4l2_mbus_framefmt vs6624_default_fmt = { |
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.width = VGA_WIDTH, |
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.height = VGA_HEIGHT, |
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.code = MEDIA_BUS_FMT_UYVY8_2X8, |
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.field = V4L2_FIELD_NONE, |
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.colorspace = V4L2_COLORSPACE_JPEG, |
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}; |
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static const u16 vs6624_p1[] = { |
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0x8104, 0x03, |
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0x8105, 0x01, |
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0xc900, 0x03, |
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0xc904, 0x47, |
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0xc905, 0x10, |
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0xc906, 0x80, |
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0xc907, 0x3a, |
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0x903a, 0x02, |
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0x903b, 0x47, |
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0x903c, 0x15, |
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0xc908, 0x31, |
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0xc909, 0xdc, |
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0xc90a, 0x80, |
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0xc90b, 0x44, |
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0x9044, 0x02, |
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0x9045, 0x31, |
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0x9046, 0xe2, |
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0xc90c, 0x07, |
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0xc90d, 0xe0, |
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0xc90e, 0x80, |
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0xc90f, 0x47, |
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0x9047, 0x90, |
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0x9048, 0x83, |
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0x9049, 0x81, |
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0x904a, 0xe0, |
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0x904b, 0x60, |
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0x904c, 0x08, |
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0x904d, 0x90, |
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0x904e, 0xc0, |
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0x904f, 0x43, |
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0x9050, 0x74, |
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0x9051, 0x01, |
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0x9052, 0xf0, |
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0x9053, 0x80, |
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0x9054, 0x05, |
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0x9055, 0xE4, |
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0x9056, 0x90, |
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0x9057, 0xc0, |
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0x9058, 0x43, |
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0x9059, 0xf0, |
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0x905a, 0x02, |
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0x905b, 0x07, |
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0x905c, 0xec, |
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0xc910, 0x5d, |
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0xc911, 0xca, |
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0xc912, 0x80, |
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0xc913, 0x5d, |
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0x905d, 0xa3, |
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0x905e, 0x04, |
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0x905f, 0xf0, |
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0x9060, 0xa3, |
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0x9061, 0x04, |
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0x9062, 0xf0, |
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0x9063, 0x22, |
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0xc914, 0x72, |
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0xc915, 0x92, |
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0xc916, 0x80, |
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0xc917, 0x64, |
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0x9064, 0x74, |
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0x9065, 0x01, |
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0x9066, 0x02, |
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0x9067, 0x72, |
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0x9068, 0x95, |
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0xc918, 0x47, |
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0xc919, 0xf2, |
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0xc91a, 0x81, |
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0xc91b, 0x69, |
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0x9169, 0x74, |
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0x916a, 0x02, |
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0x916b, 0xf0, |
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0x916c, 0xec, |
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0x916d, 0xb4, |
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0x916e, 0x10, |
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0x916f, 0x0a, |
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0x9170, 0x90, |
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0x9171, 0x80, |
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0x9172, 0x16, |
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0x9173, 0xe0, |
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0x9174, 0x70, |
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0x9175, 0x04, |
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0x9176, 0x90, |
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0x9177, 0xd3, |
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0x9178, 0xc4, |
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0x9179, 0xf0, |
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0x917a, 0x22, |
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0xc91c, 0x0a, |
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0xc91d, 0xbe, |
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0xc91e, 0x80, |
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0xc91f, 0x73, |
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0x9073, 0xfc, |
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0x9074, 0xa3, |
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0x9075, 0xe0, |
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0x9076, 0xf5, |
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0x9077, 0x82, |
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0x9078, 0x8c, |
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0x9079, 0x83, |
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0x907a, 0xa3, |
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0x907b, 0xa3, |
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0x907c, 0xe0, |
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0x907d, 0xfc, |
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0x907e, 0xa3, |
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0x907f, 0xe0, |
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0x9080, 0xc3, |
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0x9081, 0x9f, |
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0x9082, 0xff, |
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0x9083, 0xec, |
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0x9084, 0x9e, |
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0x9085, 0xfe, |
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0x9086, 0x02, |
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0x9087, 0x0a, |
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0x9088, 0xea, |
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0xc920, 0x47, |
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0xc921, 0x38, |
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0xc922, 0x80, |
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0xc923, 0x89, |
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0x9089, 0xec, |
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0x908a, 0xd3, |
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0x908b, 0x94, |
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0x908c, 0x20, |
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0x908d, 0x40, |
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0x908e, 0x01, |
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0x908f, 0x1c, |
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0x9090, 0x90, |
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0x9091, 0xd3, |
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0x9092, 0xd4, |
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0x9093, 0xec, |
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0x9094, 0xf0, |
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0x9095, 0x02, |
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0x9096, 0x47, |
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0x9097, 0x3d, |
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0xc924, 0x45, |
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0xc925, 0xca, |
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0xc926, 0x80, |
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0xc927, 0x98, |
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0x9098, 0x12, |
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0x9099, 0x77, |
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0x909a, 0xd6, |
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0x909b, 0x02, |
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0x909c, 0x45, |
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0x909d, 0xcd, |
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0xc928, 0x20, |
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0xc929, 0xd5, |
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0xc92a, 0x80, |
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0xc92b, 0x9e, |
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0x909e, 0x90, |
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0x909f, 0x82, |
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0x90a0, 0x18, |
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0x90a1, 0xe0, |
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0x90a2, 0xb4, |
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0x90a3, 0x03, |
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0x90a4, 0x0e, |
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0x90a5, 0x90, |
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0x90a6, 0x83, |
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0x90a7, 0xbf, |
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0x90a8, 0xe0, |
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0x90a9, 0x60, |
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0x90aa, 0x08, |
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0x90ab, 0x90, |
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0x90ac, 0x81, |
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0x90ad, 0xfc, |
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0x90ae, 0xe0, |
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0x90af, 0xff, |
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0x90b0, 0xc3, |
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0x90b1, 0x13, |
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0x90b2, 0xf0, |
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0x90b3, 0x90, |
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0x90b4, 0x81, |
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0x90b5, 0xfc, |
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0x90b6, 0xe0, |
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0x90b7, 0xff, |
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0x90b8, 0x02, |
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0x90b9, 0x20, |
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0x90ba, 0xda, |
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0xc92c, 0x70, |
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0xc92d, 0xbc, |
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0xc92e, 0x80, |
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0xc92f, 0xbb, |
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0x90bb, 0x90, |
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0x90bc, 0x82, |
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0x90bd, 0x18, |
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0x90be, 0xe0, |
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0x90bf, 0xb4, |
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0x90c0, 0x03, |
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0x90c1, 0x06, |
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0x90c2, 0x90, |
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0x90c3, 0xc1, |
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0x90c4, 0x06, |
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0x90c5, 0x74, |
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0x90c6, 0x05, |
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0x90c7, 0xf0, |
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0x90c8, 0x90, |
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0x90c9, 0xd3, |
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0x90ca, 0xa0, |
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0x90cb, 0x02, |
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0x90cc, 0x70, |
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0x90cd, 0xbf, |
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0xc930, 0x72, |
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0xc931, 0x21, |
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0xc932, 0x81, |
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0xc933, 0x3b, |
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0x913b, 0x7d, |
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0x913c, 0x02, |
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0x913d, 0x7f, |
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0x913e, 0x7b, |
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0x913f, 0x02, |
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0x9140, 0x72, |
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0x9141, 0x25, |
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0xc934, 0x28, |
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0xc935, 0xae, |
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0xc936, 0x80, |
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0xc937, 0xd2, |
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0x90d2, 0xf0, |
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0x90d3, 0x90, |
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0x90d4, 0xd2, |
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0x90d5, 0x0a, |
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0x90d6, 0x02, |
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0x90d7, 0x28, |
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0x90d8, 0xb4, |
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0xc938, 0x28, |
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0xc939, 0xb1, |
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0xc93a, 0x80, |
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0xc93b, 0xd9, |
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0x90d9, 0x90, |
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0x90da, 0x83, |
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0x90db, 0xba, |
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0x90dc, 0xe0, |
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0x90dd, 0xff, |
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0x90de, 0x90, |
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0x90df, 0xd2, |
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0x90e0, 0x08, |
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0x90e1, 0xe0, |
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0x90e2, 0xe4, |
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0x90e3, 0xef, |
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0x90e4, 0xf0, |
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0x90e5, 0xa3, |
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0x90e6, 0xe0, |
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0x90e7, 0x74, |
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0x90e8, 0xff, |
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0x90e9, 0xf0, |
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0x90ea, 0x90, |
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0x90eb, 0xd2, |
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0x90ec, 0x0a, |
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0x90ed, 0x02, |
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0x90ee, 0x28, |
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0x90ef, 0xb4, |
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0xc93c, 0x29, |
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0xc93d, 0x79, |
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0xc93e, 0x80, |
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0xc93f, 0xf0, |
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0x90f0, 0xf0, |
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0x90f1, 0x90, |
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0x90f2, 0xd2, |
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0x90f3, 0x0e, |
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0x90f4, 0x02, |
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0x90f5, 0x29, |
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0x90f6, 0x7f, |
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0xc940, 0x29, |
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0xc941, 0x7c, |
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0xc942, 0x80, |
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0xc943, 0xf7, |
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0x90f7, 0x90, |
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0x90f8, 0x83, |
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0x90f9, 0xba, |
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0x90fa, 0xe0, |
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0x90fb, 0xff, |
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0x90fc, 0x90, |
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0x90fd, 0xd2, |
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0x90fe, 0x0c, |
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0x90ff, 0xe0, |
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0x9100, 0xe4, |
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0x9101, 0xef, |
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0x9102, 0xf0, |
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0x9103, 0xa3, |
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0x9104, 0xe0, |
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0x9105, 0x74, |
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0x9106, 0xff, |
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0x9107, 0xf0, |
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0x9108, 0x90, |
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0x9109, 0xd2, |
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0x910a, 0x0e, |
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0x910b, 0x02, |
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0x910c, 0x29, |
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0x910d, 0x7f, |
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0xc944, 0x2a, |
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0xc945, 0x42, |
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0xc946, 0x81, |
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0xc947, 0x0e, |
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0x910e, 0xf0, |
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0x910f, 0x90, |
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0x9110, 0xd2, |
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0x9111, 0x12, |
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0x9112, 0x02, |
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0x9113, 0x2a, |
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0x9114, 0x48, |
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0xc948, 0x2a, |
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0xc949, 0x45, |
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0xc94a, 0x81, |
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0xc94b, 0x15, |
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0x9115, 0x90, |
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0x9116, 0x83, |
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0x9117, 0xba, |
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0x9118, 0xe0, |
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0x9119, 0xff, |
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0x911a, 0x90, |
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0x911b, 0xd2, |
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0x911c, 0x10, |
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0x911d, 0xe0, |
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0x911e, 0xe4, |
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0x911f, 0xef, |
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0x9120, 0xf0, |
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0x9121, 0xa3, |
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0x9122, 0xe0, |
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0x9123, 0x74, |
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0x9124, 0xff, |
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0x9125, 0xf0, |
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0x9126, 0x90, |
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0x9127, 0xd2, |
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0x9128, 0x12, |
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0x9129, 0x02, |
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0x912a, 0x2a, |
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0x912b, 0x48, |
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0xc900, 0x01, |
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0x0000, 0x00, |
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}; |
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static const u16 vs6624_p2[] = { |
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0x806f, 0x01, |
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0x058c, 0x01, |
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0x0000, 0x00, |
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}; |
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static const u16 vs6624_run_setup[] = { |
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0x1d18, 0x00, /* Enableconstrainedwhitebalance */ |
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VS6624_PEAK_MIN_OUT_G_MSB, 0x3c, /* Damper PeakGain Output MSB */ |
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VS6624_PEAK_MIN_OUT_G_LSB, 0x66, /* Damper PeakGain Output LSB */ |
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VS6624_CM_LOW_THR_MSB, 0x65, /* Damper Low MSB */ |
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VS6624_CM_LOW_THR_LSB, 0xd1, /* Damper Low LSB */ |
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VS6624_CM_HIGH_THR_MSB, 0x66, /* Damper High MSB */ |
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VS6624_CM_HIGH_THR_LSB, 0x62, /* Damper High LSB */ |
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VS6624_CM_MIN_OUT_MSB, 0x00, /* Damper Min output MSB */ |
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VS6624_CM_MIN_OUT_LSB, 0x00, /* Damper Min output LSB */ |
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VS6624_NORA_DISABLE, 0x00, /* Nora fDisable */ |
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VS6624_NORA_USAGE, 0x04, /* Nora usage */ |
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VS6624_NORA_LOW_THR_MSB, 0x63, /* Damper Low MSB Changed 0x63 to 0x65 */ |
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VS6624_NORA_LOW_THR_LSB, 0xd1, /* Damper Low LSB */ |
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VS6624_NORA_HIGH_THR_MSB, 0x68, /* Damper High MSB */ |
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VS6624_NORA_HIGH_THR_LSB, 0xdd, /* Damper High LSB */ |
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VS6624_NORA_MIN_OUT_MSB, 0x3a, /* Damper Min output MSB */ |
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VS6624_NORA_MIN_OUT_LSB, 0x00, /* Damper Min output LSB */ |
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VS6624_F2B_DISABLE, 0x00, /* Disable */ |
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0x1d8a, 0x30, /* MAXWeightHigh */ |
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0x1d91, 0x62, /* fpDamperLowThresholdHigh MSB */ |
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0x1d92, 0x4a, /* fpDamperLowThresholdHigh LSB */ |
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0x1d95, 0x65, /* fpDamperHighThresholdHigh MSB */ |
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0x1d96, 0x0e, /* fpDamperHighThresholdHigh LSB */ |
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0x1da1, 0x3a, /* fpMinimumDamperOutputLow MSB */ |
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0x1da2, 0xb8, /* fpMinimumDamperOutputLow LSB */ |
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0x1e08, 0x06, /* MAXWeightLow */ |
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0x1e0a, 0x0a, /* MAXWeightHigh */ |
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0x1601, 0x3a, /* Red A MSB */ |
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0x1602, 0x14, /* Red A LSB */ |
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0x1605, 0x3b, /* Blue A MSB */ |
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0x1606, 0x85, /* BLue A LSB */ |
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0x1609, 0x3b, /* RED B MSB */ |
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0x160a, 0x85, /* RED B LSB */ |
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0x160d, 0x3a, /* Blue B MSB */ |
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0x160e, 0x14, /* Blue B LSB */ |
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0x1611, 0x30, /* Max Distance from Locus MSB */ |
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0x1612, 0x8f, /* Max Distance from Locus MSB */ |
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0x1614, 0x01, /* Enable constrainer */ |
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0x0000, 0x00, |
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}; |
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static const u16 vs6624_default[] = { |
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VS6624_CONTRAST0, 0x84, |
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VS6624_SATURATION0, 0x75, |
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VS6624_GAMMA0, 0x11, |
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VS6624_CONTRAST1, 0x84, |
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VS6624_SATURATION1, 0x75, |
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VS6624_GAMMA1, 0x11, |
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VS6624_MAN_RG, 0x80, |
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VS6624_MAN_GG, 0x80, |
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VS6624_MAN_BG, 0x80, |
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VS6624_WB_MODE, 0x1, |
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VS6624_EXPO_COMPENSATION, 0xfe, |
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VS6624_EXPO_METER, 0x0, |
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VS6624_LIGHT_FREQ, 0x64, |
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VS6624_PEAK_GAIN, 0xe, |
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VS6624_PEAK_LOW_THR, 0x28, |
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VS6624_HMIRROR0, 0x0, |
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VS6624_VFLIP0, 0x0, |
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VS6624_ZOOM_HSTEP0_MSB, 0x0, |
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VS6624_ZOOM_HSTEP0_LSB, 0x1, |
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VS6624_ZOOM_VSTEP0_MSB, 0x0, |
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VS6624_ZOOM_VSTEP0_LSB, 0x1, |
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VS6624_PAN_HSTEP0_MSB, 0x0, |
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VS6624_PAN_HSTEP0_LSB, 0xf, |
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VS6624_PAN_VSTEP0_MSB, 0x0, |
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VS6624_PAN_VSTEP0_LSB, 0xf, |
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VS6624_SENSOR_MODE, 0x1, |
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VS6624_SYNC_CODE_SETUP, 0x21, |
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VS6624_DISABLE_FR_DAMPER, 0x0, |
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VS6624_FR_DEN, 0x1, |
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VS6624_FR_NUM_LSB, 0xf, |
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VS6624_INIT_PIPE_SETUP, 0x0, |
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VS6624_IMG_FMT0, 0x0, |
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VS6624_YUV_SETUP, 0x1, |
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VS6624_IMAGE_SIZE0, 0x2, |
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0x0000, 0x00, |
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}; |
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static inline struct vs6624 *to_vs6624(struct v4l2_subdev *sd) |
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{ |
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return container_of(sd, struct vs6624, sd); |
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} |
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static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) |
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{ |
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return &container_of(ctrl->handler, struct vs6624, hdl)->sd; |
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} |
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#ifdef CONFIG_VIDEO_ADV_DEBUG |
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static int vs6624_read(struct v4l2_subdev *sd, u16 index) |
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{ |
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struct i2c_client *client = v4l2_get_subdevdata(sd); |
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u8 buf[2]; |
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buf[0] = index >> 8; |
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buf[1] = index; |
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i2c_master_send(client, buf, 2); |
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i2c_master_recv(client, buf, 1); |
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return buf[0]; |
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} |
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#endif |
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|
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static int vs6624_write(struct v4l2_subdev *sd, u16 index, |
|
u8 value) |
|
{ |
|
struct i2c_client *client = v4l2_get_subdevdata(sd); |
|
u8 buf[3]; |
|
|
|
buf[0] = index >> 8; |
|
buf[1] = index; |
|
buf[2] = value; |
|
|
|
return i2c_master_send(client, buf, 3); |
|
} |
|
|
|
static int vs6624_writeregs(struct v4l2_subdev *sd, const u16 *regs) |
|
{ |
|
u16 reg; |
|
u8 data; |
|
|
|
while (*regs != 0x00) { |
|
reg = *regs++; |
|
data = *regs++; |
|
|
|
vs6624_write(sd, reg, data); |
|
} |
|
return 0; |
|
} |
|
|
|
static int vs6624_s_ctrl(struct v4l2_ctrl *ctrl) |
|
{ |
|
struct v4l2_subdev *sd = to_sd(ctrl); |
|
|
|
switch (ctrl->id) { |
|
case V4L2_CID_CONTRAST: |
|
vs6624_write(sd, VS6624_CONTRAST0, ctrl->val); |
|
break; |
|
case V4L2_CID_SATURATION: |
|
vs6624_write(sd, VS6624_SATURATION0, ctrl->val); |
|
break; |
|
case V4L2_CID_HFLIP: |
|
vs6624_write(sd, VS6624_HMIRROR0, ctrl->val); |
|
break; |
|
case V4L2_CID_VFLIP: |
|
vs6624_write(sd, VS6624_VFLIP0, ctrl->val); |
|
break; |
|
default: |
|
return -EINVAL; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int vs6624_enum_mbus_code(struct v4l2_subdev *sd, |
|
struct v4l2_subdev_pad_config *cfg, |
|
struct v4l2_subdev_mbus_code_enum *code) |
|
{ |
|
if (code->pad || code->index >= ARRAY_SIZE(vs6624_formats)) |
|
return -EINVAL; |
|
|
|
code->code = vs6624_formats[code->index].mbus_code; |
|
return 0; |
|
} |
|
|
|
static int vs6624_set_fmt(struct v4l2_subdev *sd, |
|
struct v4l2_subdev_pad_config *cfg, |
|
struct v4l2_subdev_format *format) |
|
{ |
|
struct v4l2_mbus_framefmt *fmt = &format->format; |
|
struct vs6624 *sensor = to_vs6624(sd); |
|
int index; |
|
|
|
if (format->pad) |
|
return -EINVAL; |
|
|
|
for (index = 0; index < ARRAY_SIZE(vs6624_formats); index++) |
|
if (vs6624_formats[index].mbus_code == fmt->code) |
|
break; |
|
if (index >= ARRAY_SIZE(vs6624_formats)) { |
|
/* default to first format */ |
|
index = 0; |
|
fmt->code = vs6624_formats[0].mbus_code; |
|
} |
|
|
|
/* sensor mode is VGA */ |
|
if (fmt->width > VGA_WIDTH) |
|
fmt->width = VGA_WIDTH; |
|
if (fmt->height > VGA_HEIGHT) |
|
fmt->height = VGA_HEIGHT; |
|
fmt->width = fmt->width & (~3); |
|
fmt->height = fmt->height & (~3); |
|
fmt->field = V4L2_FIELD_NONE; |
|
fmt->colorspace = vs6624_formats[index].colorspace; |
|
|
|
if (format->which == V4L2_SUBDEV_FORMAT_TRY) { |
|
cfg->try_fmt = *fmt; |
|
return 0; |
|
} |
|
|
|
/* set image format */ |
|
switch (fmt->code) { |
|
case MEDIA_BUS_FMT_UYVY8_2X8: |
|
vs6624_write(sd, VS6624_IMG_FMT0, 0x0); |
|
vs6624_write(sd, VS6624_YUV_SETUP, 0x1); |
|
break; |
|
case MEDIA_BUS_FMT_YUYV8_2X8: |
|
vs6624_write(sd, VS6624_IMG_FMT0, 0x0); |
|
vs6624_write(sd, VS6624_YUV_SETUP, 0x3); |
|
break; |
|
case MEDIA_BUS_FMT_RGB565_2X8_LE: |
|
vs6624_write(sd, VS6624_IMG_FMT0, 0x4); |
|
vs6624_write(sd, VS6624_RGB_SETUP, 0x0); |
|
break; |
|
default: |
|
return -EINVAL; |
|
} |
|
|
|
/* set image size */ |
|
if ((fmt->width == VGA_WIDTH) && (fmt->height == VGA_HEIGHT)) |
|
vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x2); |
|
else if ((fmt->width == QVGA_WIDTH) && (fmt->height == QVGA_HEIGHT)) |
|
vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x4); |
|
else if ((fmt->width == QQVGA_WIDTH) && (fmt->height == QQVGA_HEIGHT)) |
|
vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x6); |
|
else if ((fmt->width == CIF_WIDTH) && (fmt->height == CIF_HEIGHT)) |
|
vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x3); |
|
else if ((fmt->width == QCIF_WIDTH) && (fmt->height == QCIF_HEIGHT)) |
|
vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x5); |
|
else if ((fmt->width == QQCIF_WIDTH) && (fmt->height == QQCIF_HEIGHT)) |
|
vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x7); |
|
else { |
|
vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x8); |
|
vs6624_write(sd, VS6624_MAN_HSIZE0_MSB, fmt->width >> 8); |
|
vs6624_write(sd, VS6624_MAN_HSIZE0_LSB, fmt->width & 0xFF); |
|
vs6624_write(sd, VS6624_MAN_VSIZE0_MSB, fmt->height >> 8); |
|
vs6624_write(sd, VS6624_MAN_VSIZE0_LSB, fmt->height & 0xFF); |
|
vs6624_write(sd, VS6624_CROP_CTRL0, 0x1); |
|
} |
|
|
|
sensor->fmt = *fmt; |
|
|
|
return 0; |
|
} |
|
|
|
static int vs6624_get_fmt(struct v4l2_subdev *sd, |
|
struct v4l2_subdev_pad_config *cfg, |
|
struct v4l2_subdev_format *format) |
|
{ |
|
struct vs6624 *sensor = to_vs6624(sd); |
|
|
|
if (format->pad) |
|
return -EINVAL; |
|
|
|
format->format = sensor->fmt; |
|
return 0; |
|
} |
|
|
|
static int vs6624_g_frame_interval(struct v4l2_subdev *sd, |
|
struct v4l2_subdev_frame_interval *ival) |
|
{ |
|
struct vs6624 *sensor = to_vs6624(sd); |
|
|
|
ival->interval.numerator = sensor->frame_rate.denominator; |
|
ival->interval.denominator = sensor->frame_rate.numerator; |
|
return 0; |
|
} |
|
|
|
static int vs6624_s_frame_interval(struct v4l2_subdev *sd, |
|
struct v4l2_subdev_frame_interval *ival) |
|
{ |
|
struct vs6624 *sensor = to_vs6624(sd); |
|
struct v4l2_fract *tpf = &ival->interval; |
|
|
|
|
|
if (tpf->numerator == 0 || tpf->denominator == 0 |
|
|| (tpf->denominator > tpf->numerator * MAX_FRAME_RATE)) { |
|
/* reset to max frame rate */ |
|
tpf->numerator = 1; |
|
tpf->denominator = MAX_FRAME_RATE; |
|
} |
|
sensor->frame_rate.numerator = tpf->denominator; |
|
sensor->frame_rate.denominator = tpf->numerator; |
|
vs6624_write(sd, VS6624_DISABLE_FR_DAMPER, 0x0); |
|
vs6624_write(sd, VS6624_FR_NUM_MSB, |
|
sensor->frame_rate.numerator >> 8); |
|
vs6624_write(sd, VS6624_FR_NUM_LSB, |
|
sensor->frame_rate.numerator & 0xFF); |
|
vs6624_write(sd, VS6624_FR_DEN, |
|
sensor->frame_rate.denominator & 0xFF); |
|
return 0; |
|
} |
|
|
|
static int vs6624_s_stream(struct v4l2_subdev *sd, int enable) |
|
{ |
|
if (enable) |
|
vs6624_write(sd, VS6624_USER_CMD, 0x2); |
|
else |
|
vs6624_write(sd, VS6624_USER_CMD, 0x4); |
|
udelay(100); |
|
return 0; |
|
} |
|
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG |
|
static int vs6624_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) |
|
{ |
|
reg->val = vs6624_read(sd, reg->reg & 0xffff); |
|
reg->size = 1; |
|
return 0; |
|
} |
|
|
|
static int vs6624_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) |
|
{ |
|
vs6624_write(sd, reg->reg & 0xffff, reg->val & 0xff); |
|
return 0; |
|
} |
|
#endif |
|
|
|
static const struct v4l2_ctrl_ops vs6624_ctrl_ops = { |
|
.s_ctrl = vs6624_s_ctrl, |
|
}; |
|
|
|
static const struct v4l2_subdev_core_ops vs6624_core_ops = { |
|
#ifdef CONFIG_VIDEO_ADV_DEBUG |
|
.g_register = vs6624_g_register, |
|
.s_register = vs6624_s_register, |
|
#endif |
|
}; |
|
|
|
static const struct v4l2_subdev_video_ops vs6624_video_ops = { |
|
.s_frame_interval = vs6624_s_frame_interval, |
|
.g_frame_interval = vs6624_g_frame_interval, |
|
.s_stream = vs6624_s_stream, |
|
}; |
|
|
|
static const struct v4l2_subdev_pad_ops vs6624_pad_ops = { |
|
.enum_mbus_code = vs6624_enum_mbus_code, |
|
.get_fmt = vs6624_get_fmt, |
|
.set_fmt = vs6624_set_fmt, |
|
}; |
|
|
|
static const struct v4l2_subdev_ops vs6624_ops = { |
|
.core = &vs6624_core_ops, |
|
.video = &vs6624_video_ops, |
|
.pad = &vs6624_pad_ops, |
|
}; |
|
|
|
static int vs6624_probe(struct i2c_client *client, |
|
const struct i2c_device_id *id) |
|
{ |
|
struct vs6624 *sensor; |
|
struct v4l2_subdev *sd; |
|
struct v4l2_ctrl_handler *hdl; |
|
const unsigned *ce; |
|
int ret; |
|
|
|
/* Check if the adapter supports the needed features */ |
|
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) |
|
return -EIO; |
|
|
|
ce = client->dev.platform_data; |
|
if (ce == NULL) |
|
return -EINVAL; |
|
|
|
ret = devm_gpio_request_one(&client->dev, *ce, GPIOF_OUT_INIT_HIGH, |
|
"VS6624 Chip Enable"); |
|
if (ret) { |
|
v4l_err(client, "failed to request GPIO %d\n", *ce); |
|
return ret; |
|
} |
|
/* wait 100ms before any further i2c writes are performed */ |
|
msleep(100); |
|
|
|
sensor = devm_kzalloc(&client->dev, sizeof(*sensor), GFP_KERNEL); |
|
if (sensor == NULL) |
|
return -ENOMEM; |
|
|
|
sd = &sensor->sd; |
|
v4l2_i2c_subdev_init(sd, client, &vs6624_ops); |
|
|
|
vs6624_writeregs(sd, vs6624_p1); |
|
vs6624_write(sd, VS6624_MICRO_EN, 0x2); |
|
vs6624_write(sd, VS6624_DIO_EN, 0x1); |
|
usleep_range(10000, 11000); |
|
vs6624_writeregs(sd, vs6624_p2); |
|
|
|
vs6624_writeregs(sd, vs6624_default); |
|
vs6624_write(sd, VS6624_HSYNC_SETUP, 0xF); |
|
vs6624_writeregs(sd, vs6624_run_setup); |
|
|
|
/* set frame rate */ |
|
sensor->frame_rate.numerator = MAX_FRAME_RATE; |
|
sensor->frame_rate.denominator = 1; |
|
vs6624_write(sd, VS6624_DISABLE_FR_DAMPER, 0x0); |
|
vs6624_write(sd, VS6624_FR_NUM_MSB, |
|
sensor->frame_rate.numerator >> 8); |
|
vs6624_write(sd, VS6624_FR_NUM_LSB, |
|
sensor->frame_rate.numerator & 0xFF); |
|
vs6624_write(sd, VS6624_FR_DEN, |
|
sensor->frame_rate.denominator & 0xFF); |
|
|
|
sensor->fmt = vs6624_default_fmt; |
|
sensor->ce_pin = *ce; |
|
|
|
v4l_info(client, "chip found @ 0x%02x (%s)\n", |
|
client->addr << 1, client->adapter->name); |
|
|
|
hdl = &sensor->hdl; |
|
v4l2_ctrl_handler_init(hdl, 4); |
|
v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, |
|
V4L2_CID_CONTRAST, 0, 0xFF, 1, 0x87); |
|
v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, |
|
V4L2_CID_SATURATION, 0, 0xFF, 1, 0x78); |
|
v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, |
|
V4L2_CID_HFLIP, 0, 1, 1, 0); |
|
v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, |
|
V4L2_CID_VFLIP, 0, 1, 1, 0); |
|
/* hook the control handler into the driver */ |
|
sd->ctrl_handler = hdl; |
|
if (hdl->error) { |
|
int err = hdl->error; |
|
|
|
v4l2_ctrl_handler_free(hdl); |
|
return err; |
|
} |
|
|
|
/* initialize the hardware to the default control values */ |
|
ret = v4l2_ctrl_handler_setup(hdl); |
|
if (ret) |
|
v4l2_ctrl_handler_free(hdl); |
|
return ret; |
|
} |
|
|
|
static int vs6624_remove(struct i2c_client *client) |
|
{ |
|
struct v4l2_subdev *sd = i2c_get_clientdata(client); |
|
|
|
v4l2_device_unregister_subdev(sd); |
|
v4l2_ctrl_handler_free(sd->ctrl_handler); |
|
return 0; |
|
} |
|
|
|
static const struct i2c_device_id vs6624_id[] = { |
|
{"vs6624", 0}, |
|
{}, |
|
}; |
|
|
|
MODULE_DEVICE_TABLE(i2c, vs6624_id); |
|
|
|
static struct i2c_driver vs6624_driver = { |
|
.driver = { |
|
.name = "vs6624", |
|
}, |
|
.probe = vs6624_probe, |
|
.remove = vs6624_remove, |
|
.id_table = vs6624_id, |
|
}; |
|
|
|
module_i2c_driver(vs6624_driver); |
|
|
|
MODULE_DESCRIPTION("VS6624 sensor driver"); |
|
MODULE_AUTHOR("Scott Jiang <[email protected]>"); |
|
MODULE_LICENSE("GPL v2");
|
|
|