From 986ac47eaff77892a6393b4685c36ab9c9a4e089 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 12 Dec 2018 12:36:43 -0500 Subject: media: MAINTAINERS: added include/trace/events/pwc.h Added include/trace/events/pwc.h to the list of files. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- MAINTAINERS | 1 + 1 file changed, 1 insertion(+) (limited to 'MAINTAINERS') diff --git a/MAINTAINERS b/MAINTAINERS index 32d444476a90..f916b6ca5a42 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12368,6 +12368,7 @@ L: linux-media@vger.kernel.org T: git git://linuxtv.org/media_tree.git S: Odd Fixes F: drivers/media/usb/pwc/* +F: include/trace/events/pwc.h PWM FAN DRIVER M: Kamil Debski -- cgit v1.2.3-59-g8ed1b From 886ba97fb69eee710e1fd90d8aac5937e7fabfd1 Mon Sep 17 00:00:00 2001 From: Andrzej Pietrasiewicz Date: Thu, 13 Dec 2018 08:36:38 -0500 Subject: media: MAINTAINERS: Change s5p-jpeg maintainer information. My @samsung.com address is going to cease existing soon, so change it to an address which can actually be used to contact me. Adding Sylwester Nawrocki, who still has access to a wide spectrum of Exynos-based hardware. Signed-off-by: Andrzej Pietrasiewicz Signed-off-by: Mauro Carvalho Chehab --- MAINTAINERS | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'MAINTAINERS') diff --git a/MAINTAINERS b/MAINTAINERS index f916b6ca5a42..02d9ebcafb97 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2084,8 +2084,9 @@ F: drivers/media/platform/s5p-cec/ F: Documentation/devicetree/bindings/media/s5p-cec.txt ARM/SAMSUNG S5P SERIES JPEG CODEC SUPPORT -M: Andrzej Pietrasiewicz +M: Andrzej Pietrasiewicz M: Jacek Anaszewski +M: Sylwester Nawrocki L: linux-arm-kernel@lists.infradead.org L: linux-media@vger.kernel.org S: Maintained -- cgit v1.2.3-59-g8ed1b From f2ed15c30ea21a921ab5d3f7f7791507a407f807 Mon Sep 17 00:00:00 2001 From: Petr Cvek Date: Thu, 13 Dec 2018 10:39:14 -0500 Subject: media: MAINTAINERS: add Petr Cvek as a maintainer for the ov9640 driver The soc_camera drivers are marked as orphaned. Add Petr Cvek as a new maintainer for ov9640 driver after its switch from the soc_camera. Signed-off-by: Petr Cvek Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- MAINTAINERS | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'MAINTAINERS') diff --git a/MAINTAINERS b/MAINTAINERS index 02d9ebcafb97..3a3a60615b88 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11229,6 +11229,12 @@ S: Maintained F: drivers/media/i2c/ov7740.c F: Documentation/devicetree/bindings/media/i2c/ov7740.txt +OMNIVISION OV9640 SENSOR DRIVER +M: Petr Cvek +L: linux-media@vger.kernel.org +S: Maintained +F: drivers/media/i2c/ov9640.* + OMNIVISION OV9650 SENSOR DRIVER M: Sakari Ailus R: Akinobu Mita -- cgit v1.2.3-59-g8ed1b From 63ca0d7d032153312d2a2acdd21e69f665ba8e3a Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Mon, 7 Jan 2019 06:06:18 -0500 Subject: media: MAINTAINERS: Update reviewers for ipu3-cio2 Remove Jian Xu from the driver's reviewers. Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- MAINTAINERS | 1 - 1 file changed, 1 deletion(-) (limited to 'MAINTAINERS') diff --git a/MAINTAINERS b/MAINTAINERS index 3a3a60615b88..17ad1d7b5510 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7696,7 +7696,6 @@ M: Yong Zhi M: Sakari Ailus M: Bingbu Cao R: Tian Shu Qiu -R: Jian Xu Zheng L: linux-media@vger.kernel.org S: Maintained F: drivers/media/pci/intel/ipu3/ -- cgit v1.2.3-59-g8ed1b From 879347f0c258cffe27b9e28bd4f1f55fc019f857 Mon Sep 17 00:00:00 2001 From: Ben Kao Date: Tue, 15 Jan 2019 06:30:29 -0200 Subject: media: ov8856: Add support for OV8856 sensor This patch adds driver for Omnivision's ov8856 sensor, the driver supports following features: - manual exposure/gain(analog and digital) control support - two link frequencies - VBLANK/HBLANK support - test pattern support - media controller support - runtime PM support - enable Vsync signal output - supported resolutions + 3280x2464 at 30FPS + 1640x1232 at 30FPS Signed-off-by: Ben Kao Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- MAINTAINERS | 7 + drivers/media/i2c/Kconfig | 12 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/ov8856.c | 1267 ++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 1287 insertions(+) create mode 100644 drivers/media/i2c/ov8856.c (limited to 'MAINTAINERS') diff --git a/MAINTAINERS b/MAINTAINERS index 17ad1d7b5510..3e211916d2bc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11234,6 +11234,13 @@ L: linux-media@vger.kernel.org S: Maintained F: drivers/media/i2c/ov9640.* +OMNIVISION OV8856 SENSOR DRIVER +M: Ben Kao +L: linux-media@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +S: Maintained +F: drivers/media/i2c/ov8856.c + OMNIVISION OV9650 SENSOR DRIVER M: Sakari Ailus R: Akinobu Mita diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index e6cd5cf7c3d9..54a26e24baf4 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -820,6 +820,18 @@ config VIDEO_OV7740 This is a Video4Linux2 sensor driver for the OmniVision OV7740 VGA camera sensor. +config VIDEO_OV8856 + tristate "OmniVision OV8856 sensor support" + depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API + depends on MEDIA_CAMERA_SUPPORT + select V4L2_FWNODE + help + This is a Video4Linux2 sensor driver for the OmniVision + OV8856 camera sensor. + + To compile this driver as a module, choose M here: the + module will be called ov8856. + config VIDEO_OV9640 tristate "OmniVision OV9640 sensor support" depends on I2C && VIDEO_V4L2 diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index 5639cb2f20aa..29bf3fa81113 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -78,6 +78,7 @@ obj-$(CONFIG_VIDEO_OV7640) += ov7640.o obj-$(CONFIG_VIDEO_OV7670) += ov7670.o obj-$(CONFIG_VIDEO_OV772X) += ov772x.o obj-$(CONFIG_VIDEO_OV7740) += ov7740.o +obj-$(CONFIG_VIDEO_OV8856) += ov8856.o obj-$(CONFIG_VIDEO_OV9640) += ov9640.o obj-$(CONFIG_VIDEO_OV9650) += ov9650.o obj-$(CONFIG_VIDEO_OV13858) += ov13858.o diff --git a/drivers/media/i2c/ov8856.c b/drivers/media/i2c/ov8856.c new file mode 100644 index 000000000000..c0d44082c003 --- /dev/null +++ b/drivers/media/i2c/ov8856.c @@ -0,0 +1,1267 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2019 Intel Corporation. + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define OV8856_REG_VALUE_08BIT 1 +#define OV8856_REG_VALUE_16BIT 2 +#define OV8856_REG_VALUE_24BIT 3 + +#define OV8856_LINK_FREQ_360MHZ 360000000ULL +#define OV8856_LINK_FREQ_180MHZ 180000000ULL +#define OV8856_SCLK 144000000ULL +#define OV8856_MCLK 19200000 +#define OV8856_DATA_LANES 4 +#define OV8856_RGB_DEPTH 10 + +#define OV8856_REG_CHIP_ID 0x300a +#define OV8856_CHIP_ID 0x00885a + +#define OV8856_REG_MODE_SELECT 0x0100 +#define OV8856_MODE_STANDBY 0x00 +#define OV8856_MODE_STREAMING 0x01 + +/* vertical-timings from sensor */ +#define OV8856_REG_VTS 0x380e +#define OV8856_VTS_MAX 0x7fff + +/* horizontal-timings from sensor */ +#define OV8856_REG_HTS 0x380c + +/* Exposure controls from sensor */ +#define OV8856_REG_EXPOSURE 0x3500 +#define OV8856_EXPOSURE_MIN 6 +#define OV8856_EXPOSURE_MAX_MARGIN 6 +#define OV8856_EXPOSURE_STEP 1 + +/* Analog gain controls from sensor */ +#define OV8856_REG_ANALOG_GAIN 0x3508 +#define OV8856_ANAL_GAIN_MIN 128 +#define OV8856_ANAL_GAIN_MAX 2047 +#define OV8856_ANAL_GAIN_STEP 1 + +/* Digital gain controls from sensor */ +#define OV8856_REG_MWB_R_GAIN 0x5019 +#define OV8856_REG_MWB_G_GAIN 0x501b +#define OV8856_REG_MWB_B_GAIN 0x501d +#define OV8856_DGTL_GAIN_MIN 0 +#define OV8856_DGTL_GAIN_MAX 4095 +#define OV8856_DGTL_GAIN_STEP 1 +#define OV8856_DGTL_GAIN_DEFAULT 1024 + +/* Test Pattern Control */ +#define OV8856_REG_TEST_PATTERN 0x5e00 +#define OV8856_TEST_PATTERN_ENABLE BIT(7) +#define OV8856_TEST_PATTERN_BAR_SHIFT 2 + +#define to_ov8856(_sd) container_of(_sd, struct ov8856, sd) + +enum { + OV8856_LINK_FREQ_720MBPS, + OV8856_LINK_FREQ_360MBPS, +}; + +struct ov8856_reg { + u16 address; + u8 val; +}; + +struct ov8856_reg_list { + u32 num_of_regs; + const struct ov8856_reg *regs; +}; + +struct ov8856_link_freq_config { + const struct ov8856_reg_list reg_list; +}; + +struct ov8856_mode { + /* Frame width in pixels */ + u32 width; + + /* Frame height in pixels */ + u32 height; + + /* Horizontal timining size */ + u32 hts; + + /* Default vertical timining size */ + u32 vts_def; + + /* Min vertical timining size */ + u32 vts_min; + + /* Link frequency needed for this resolution */ + u32 link_freq_index; + + /* Sensor register settings for this resolution */ + const struct ov8856_reg_list reg_list; +}; + +static const struct ov8856_reg mipi_data_rate_720mbps[] = { + {0x0103, 0x01}, + {0x0100, 0x00}, + {0x0302, 0x4b}, + {0x0303, 0x01}, + {0x030b, 0x02}, + {0x030d, 0x4b}, + {0x031e, 0x0c}, +}; + +static const struct ov8856_reg mipi_data_rate_360mbps[] = { + {0x0103, 0x01}, + {0x0100, 0x00}, + {0x0302, 0x4b}, + {0x0303, 0x03}, + {0x030b, 0x02}, + {0x030d, 0x4b}, + {0x031e, 0x0c}, +}; + +static const struct ov8856_reg mode_3280x2464_regs[] = { + {0x3000, 0x20}, + {0x3003, 0x08}, + {0x300e, 0x20}, + {0x3010, 0x00}, + {0x3015, 0x84}, + {0x3018, 0x72}, + {0x3021, 0x23}, + {0x3033, 0x24}, + {0x3500, 0x00}, + {0x3501, 0x9a}, + {0x3502, 0x20}, + {0x3503, 0x08}, + {0x3505, 0x83}, + {0x3508, 0x01}, + {0x3509, 0x80}, + {0x350c, 0x00}, + {0x350d, 0x80}, + {0x350e, 0x04}, + {0x350f, 0x00}, + {0x3510, 0x00}, + {0x3511, 0x02}, + {0x3512, 0x00}, + {0x3600, 0x72}, + {0x3601, 0x40}, + {0x3602, 0x30}, + {0x3610, 0xc5}, + {0x3611, 0x58}, + {0x3612, 0x5c}, + {0x3613, 0xca}, + {0x3614, 0x20}, + {0x3628, 0xff}, + {0x3629, 0xff}, + {0x362a, 0xff}, + {0x3633, 0x10}, + {0x3634, 0x10}, + {0x3635, 0x10}, + {0x3636, 0x10}, + {0x3663, 0x08}, + {0x3669, 0x34}, + {0x366e, 0x10}, + {0x3706, 0x86}, + {0x370b, 0x7e}, + {0x3714, 0x23}, + {0x3730, 0x12}, + {0x3733, 0x10}, + {0x3764, 0x00}, + {0x3765, 0x00}, + {0x3769, 0x62}, + {0x376a, 0x2a}, + {0x376b, 0x30}, + {0x3780, 0x00}, + {0x3781, 0x24}, + {0x3782, 0x00}, + {0x3783, 0x23}, + {0x3798, 0x2f}, + {0x37a1, 0x60}, + {0x37a8, 0x6a}, + {0x37ab, 0x3f}, + {0x37c2, 0x04}, + {0x37c3, 0xf1}, + {0x37c9, 0x80}, + {0x37cb, 0x16}, + {0x37cc, 0x16}, + {0x37cd, 0x16}, + {0x37ce, 0x16}, + {0x3800, 0x00}, + {0x3801, 0x00}, + {0x3802, 0x00}, + {0x3803, 0x07}, + {0x3804, 0x0c}, + {0x3805, 0xdf}, + {0x3806, 0x09}, + {0x3807, 0xa6}, + {0x3808, 0x0c}, + {0x3809, 0xd0}, + {0x380a, 0x09}, + {0x380b, 0xa0}, + {0x380c, 0x07}, + {0x380d, 0x88}, + {0x380e, 0x09}, + {0x380f, 0xb8}, + {0x3810, 0x00}, + {0x3811, 0x00}, + {0x3812, 0x00}, + {0x3813, 0x00}, + {0x3814, 0x01}, + {0x3815, 0x01}, + {0x3816, 0x00}, + {0x3817, 0x00}, + {0x3818, 0x00}, + {0x3819, 0x10}, + {0x3820, 0x80}, + {0x3821, 0x46}, + {0x382a, 0x01}, + {0x382b, 0x01}, + {0x3830, 0x06}, + {0x3836, 0x02}, + {0x3862, 0x04}, + {0x3863, 0x08}, + {0x3cc0, 0x33}, + {0x3d85, 0x17}, + {0x3d8c, 0x73}, + {0x3d8d, 0xde}, + {0x4001, 0xe0}, + {0x4003, 0x40}, + {0x4008, 0x00}, + {0x4009, 0x0b}, + {0x400a, 0x00}, + {0x400b, 0x84}, + {0x400f, 0x80}, + {0x4010, 0xf0}, + {0x4011, 0xff}, + {0x4012, 0x02}, + {0x4013, 0x01}, + {0x4014, 0x01}, + {0x4015, 0x01}, + {0x4042, 0x00}, + {0x4043, 0x80}, + {0x4044, 0x00}, + {0x4045, 0x80}, + {0x4046, 0x00}, + {0x4047, 0x80}, + {0x4048, 0x00}, + {0x4049, 0x80}, + {0x4041, 0x03}, + {0x404c, 0x20}, + {0x404d, 0x00}, + {0x404e, 0x20}, + {0x4203, 0x80}, + {0x4307, 0x30}, + {0x4317, 0x00}, + {0x4503, 0x08}, + {0x4601, 0x80}, + {0x4800, 0x44}, + {0x4816, 0x53}, + {0x481b, 0x58}, + {0x481f, 0x27}, + {0x4837, 0x16}, + {0x483c, 0x0f}, + {0x484b, 0x05}, + {0x5000, 0x57}, + {0x5001, 0x0a}, + {0x5004, 0x04}, + {0x502e, 0x03}, + {0x5030, 0x41}, + {0x5780, 0x14}, + {0x5781, 0x0f}, + {0x5782, 0x44}, + {0x5783, 0x02}, + {0x5784, 0x01}, + {0x5785, 0x01}, + {0x5786, 0x00}, + {0x5787, 0x04}, + {0x5788, 0x02}, + {0x5789, 0x0f}, + {0x578a, 0xfd}, + {0x578b, 0xf5}, + {0x578c, 0xf5}, + {0x578d, 0x03}, + {0x578e, 0x08}, + {0x578f, 0x0c}, + {0x5790, 0x08}, + {0x5791, 0x04}, + {0x5792, 0x00}, + {0x5793, 0x52}, + {0x5794, 0xa3}, + {0x5795, 0x02}, + {0x5796, 0x20}, + {0x5797, 0x20}, + {0x5798, 0xd5}, + {0x5799, 0xd5}, + {0x579a, 0x00}, + {0x579b, 0x50}, + {0x579c, 0x00}, + {0x579d, 0x2c}, + {0x579e, 0x0c}, + {0x579f, 0x40}, + {0x57a0, 0x09}, + {0x57a1, 0x40}, + {0x59f8, 0x3d}, + {0x5a08, 0x02}, + {0x5b00, 0x02}, + {0x5b01, 0x10}, + {0x5b02, 0x03}, + {0x5b03, 0xcf}, + {0x5b05, 0x6c}, + {0x5e00, 0x00} +}; + +static const struct ov8856_reg mode_1640x1232_regs[] = { + {0x3000, 0x20}, + {0x3003, 0x08}, + {0x300e, 0x20}, + {0x3010, 0x00}, + {0x3015, 0x84}, + {0x3018, 0x72}, + {0x3021, 0x23}, + {0x3033, 0x24}, + {0x3500, 0x00}, + {0x3501, 0x4c}, + {0x3502, 0xe0}, + {0x3503, 0x08}, + {0x3505, 0x83}, + {0x3508, 0x01}, + {0x3509, 0x80}, + {0x350c, 0x00}, + {0x350d, 0x80}, + {0x350e, 0x04}, + {0x350f, 0x00}, + {0x3510, 0x00}, + {0x3511, 0x02}, + {0x3512, 0x00}, + {0x3600, 0x72}, + {0x3601, 0x40}, + {0x3602, 0x30}, + {0x3610, 0xc5}, + {0x3611, 0x58}, + {0x3612, 0x5c}, + {0x3613, 0xca}, + {0x3614, 0x20}, + {0x3628, 0xff}, + {0x3629, 0xff}, + {0x362a, 0xff}, + {0x3633, 0x10}, + {0x3634, 0x10}, + {0x3635, 0x10}, + {0x3636, 0x10}, + {0x3663, 0x08}, + {0x3669, 0x34}, + {0x366e, 0x08}, + {0x3706, 0x86}, + {0x370b, 0x7e}, + {0x3714, 0x27}, + {0x3730, 0x12}, + {0x3733, 0x10}, + {0x3764, 0x00}, + {0x3765, 0x00}, + {0x3769, 0x62}, + {0x376a, 0x2a}, + {0x376b, 0x30}, + {0x3780, 0x00}, + {0x3781, 0x24}, + {0x3782, 0x00}, + {0x3783, 0x23}, + {0x3798, 0x2f}, + {0x37a1, 0x60}, + {0x37a8, 0x6a}, + {0x37ab, 0x3f}, + {0x37c2, 0x14}, + {0x37c3, 0xf1}, + {0x37c9, 0x80}, + {0x37cb, 0x16}, + {0x37cc, 0x16}, + {0x37cd, 0x16}, + {0x37ce, 0x16}, + {0x3800, 0x00}, + {0x3801, 0x00}, + {0x3802, 0x00}, + {0x3803, 0x07}, + {0x3804, 0x0c}, + {0x3805, 0xdf}, + {0x3806, 0x09}, + {0x3807, 0xa6}, + {0x3808, 0x06}, + {0x3809, 0x68}, + {0x380a, 0x04}, + {0x380b, 0xd0}, + {0x380c, 0x0e}, + {0x380d, 0xec}, + {0x380e, 0x04}, + {0x380f, 0xe8}, + {0x3810, 0x00}, + {0x3811, 0x00}, + {0x3812, 0x00}, + {0x3813, 0x00}, + {0x3814, 0x03}, + {0x3815, 0x01}, + {0x3816, 0x00}, + {0x3817, 0x00}, + {0x3818, 0x00}, + {0x3819, 0x10}, + {0x3820, 0x90}, + {0x3821, 0x67}, + {0x382a, 0x03}, + {0x382b, 0x01}, + {0x3830, 0x06}, + {0x3836, 0x02}, + {0x3862, 0x04}, + {0x3863, 0x08}, + {0x3cc0, 0x33}, + {0x3d85, 0x17}, + {0x3d8c, 0x73}, + {0x3d8d, 0xde}, + {0x4001, 0xe0}, + {0x4003, 0x40}, + {0x4008, 0x00}, + {0x4009, 0x05}, + {0x400a, 0x00}, + {0x400b, 0x84}, + {0x400f, 0x80}, + {0x4010, 0xf0}, + {0x4011, 0xff}, + {0x4012, 0x02}, + {0x4013, 0x01}, + {0x4014, 0x01}, + {0x4015, 0x01}, + {0x4042, 0x00}, + {0x4043, 0x80}, + {0x4044, 0x00}, + {0x4045, 0x80}, + {0x4046, 0x00}, + {0x4047, 0x80}, + {0x4048, 0x00}, + {0x4049, 0x80}, + {0x4041, 0x03}, + {0x404c, 0x20}, + {0x404d, 0x00}, + {0x404e, 0x20}, + {0x4203, 0x80}, + {0x4307, 0x30}, + {0x4317, 0x00}, + {0x4503, 0x08}, + {0x4601, 0x80}, + {0x4800, 0x44}, + {0x4816, 0x53}, + {0x481b, 0x58}, + {0x481f, 0x27}, + {0x4837, 0x16}, + {0x483c, 0x0f}, + {0x484b, 0x05}, + {0x5000, 0x57}, + {0x5001, 0x0a}, + {0x5004, 0x04}, + {0x502e, 0x03}, + {0x5030, 0x41}, + {0x5780, 0x14}, + {0x5781, 0x0f}, + {0x5782, 0x44}, + {0x5783, 0x02}, + {0x5784, 0x01}, + {0x5785, 0x01}, + {0x5786, 0x00}, + {0x5787, 0x04}, + {0x5788, 0x02}, + {0x5789, 0x0f}, + {0x578a, 0xfd}, + {0x578b, 0xf5}, + {0x578c, 0xf5}, + {0x578d, 0x03}, + {0x578e, 0x08}, + {0x578f, 0x0c}, + {0x5790, 0x08}, + {0x5791, 0x04}, + {0x5792, 0x00}, + {0x5793, 0x52}, + {0x5794, 0xa3}, + {0x5795, 0x00}, + {0x5796, 0x10}, + {0x5797, 0x10}, + {0x5798, 0x73}, + {0x5799, 0x73}, + {0x579a, 0x00}, + {0x579b, 0x28}, + {0x579c, 0x00}, + {0x579d, 0x16}, + {0x579e, 0x06}, + {0x579f, 0x20}, + {0x57a0, 0x04}, + {0x57a1, 0xa0}, + {0x59f8, 0x3d}, + {0x5a08, 0x02}, + {0x5b00, 0x02}, + {0x5b01, 0x10}, + {0x5b02, 0x03}, + {0x5b03, 0xcf}, + {0x5b05, 0x6c}, + {0x5e00, 0x00} +}; + +static const char * const ov8856_test_pattern_menu[] = { + "Disabled", + "Standard Color Bar", + "Top-Bottom Darker Color Bar", + "Right-Left Darker Color Bar", + "Bottom-Top Darker Color Bar" +}; + +static const s64 link_freq_menu_items[] = { + OV8856_LINK_FREQ_360MHZ, + OV8856_LINK_FREQ_180MHZ +}; + +static const struct ov8856_link_freq_config link_freq_configs[] = { + [OV8856_LINK_FREQ_720MBPS] = { + .reg_list = { + .num_of_regs = ARRAY_SIZE(mipi_data_rate_720mbps), + .regs = mipi_data_rate_720mbps, + } + }, + [OV8856_LINK_FREQ_360MBPS] = { + .reg_list = { + .num_of_regs = ARRAY_SIZE(mipi_data_rate_360mbps), + .regs = mipi_data_rate_360mbps, + } + } +}; + +static const struct ov8856_mode supported_modes[] = { + { + .width = 3280, + .height = 2464, + .hts = 1928, + .vts_def = 2488, + .vts_min = 2488, + .reg_list = { + .num_of_regs = ARRAY_SIZE(mode_3280x2464_regs), + .regs = mode_3280x2464_regs, + }, + .link_freq_index = OV8856_LINK_FREQ_720MBPS, + }, + { + .width = 1640, + .height = 1232, + .hts = 3820, + .vts_def = 1256, + .vts_min = 1256, + .reg_list = { + .num_of_regs = ARRAY_SIZE(mode_1640x1232_regs), + .regs = mode_1640x1232_regs, + }, + .link_freq_index = OV8856_LINK_FREQ_360MBPS, + } +}; + +struct ov8856 { + struct v4l2_subdev sd; + struct media_pad pad; + struct v4l2_ctrl_handler ctrl_handler; + + /* V4L2 Controls */ + struct v4l2_ctrl *link_freq; + struct v4l2_ctrl *pixel_rate; + struct v4l2_ctrl *vblank; + struct v4l2_ctrl *hblank; + struct v4l2_ctrl *exposure; + + /* Current mode */ + const struct ov8856_mode *cur_mode; + + /* To serialize asynchronus callbacks */ + struct mutex mutex; + + /* Streaming on/off */ + bool streaming; +}; + +static u64 to_pixel_rate(u32 f_index) +{ + u64 pixel_rate = link_freq_menu_items[f_index] * 2 * OV8856_DATA_LANES; + + do_div(pixel_rate, OV8856_RGB_DEPTH); + + return pixel_rate; +} + +static u64 to_pixels_per_line(u32 hts, u32 f_index) +{ + u64 ppl = hts * to_pixel_rate(f_index); + + do_div(ppl, OV8856_SCLK); + + return ppl; +} + +static int ov8856_read_reg(struct ov8856 *ov8856, u16 reg, u16 len, u32 *val) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov8856->sd); + struct i2c_msg msgs[2]; + u8 addr_buf[2] = {reg >> 8, reg & 0xff}; + u8 data_buf[4] = {0, }; + int ret; + + if (len > 4) + return -EINVAL; + + msgs[0].addr = client->addr; + msgs[0].flags = 0; + msgs[0].len = ARRAY_SIZE(addr_buf); + msgs[0].buf = addr_buf; + msgs[1].addr = client->addr; + msgs[1].flags = I2C_M_RD; + msgs[1].len = len; + msgs[1].buf = &data_buf[4 - len]; + + ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); + if (ret != ARRAY_SIZE(msgs)) + return -EIO; + + *val = get_unaligned_be32(data_buf); + + return 0; +} + +static int ov8856_write_reg(struct ov8856 *ov8856, u16 reg, u16 len, u32 val) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov8856->sd); + u8 buf[6]; + + if (len > 4) + return -EINVAL; + + put_unaligned_be16(reg, buf); + put_unaligned_be32(val << 8 * (4 - len), buf + 2); + if (i2c_master_send(client, buf, len + 2) != len + 2) + return -EIO; + + return 0; +} + +static int ov8856_write_reg_list(struct ov8856 *ov8856, + const struct ov8856_reg_list *r_list) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov8856->sd); + unsigned int i; + int ret; + + for (i = 0; i < r_list->num_of_regs; i++) { + ret = ov8856_write_reg(ov8856, r_list->regs[i].address, 1, + r_list->regs[i].val); + if (ret) { + dev_err_ratelimited(&client->dev, + "failed to write reg 0x%4.4x. error = %d", + r_list->regs[i].address, ret); + return ret; + } + } + + return 0; +} + +static int ov8856_update_digital_gain(struct ov8856 *ov8856, u32 d_gain) +{ + int ret; + + ret = ov8856_write_reg(ov8856, OV8856_REG_MWB_R_GAIN, + OV8856_REG_VALUE_16BIT, d_gain); + if (ret) + return ret; + + ret = ov8856_write_reg(ov8856, OV8856_REG_MWB_G_GAIN, + OV8856_REG_VALUE_16BIT, d_gain); + if (ret) + return ret; + + return ov8856_write_reg(ov8856, OV8856_REG_MWB_B_GAIN, + OV8856_REG_VALUE_16BIT, d_gain); +} + +static int ov8856_test_pattern(struct ov8856 *ov8856, u32 pattern) +{ + if (pattern) + pattern = (pattern - 1) << OV8856_TEST_PATTERN_BAR_SHIFT | + OV8856_TEST_PATTERN_ENABLE; + + return ov8856_write_reg(ov8856, OV8856_REG_TEST_PATTERN, + OV8856_REG_VALUE_08BIT, pattern); +} + +static int ov8856_set_ctrl(struct v4l2_ctrl *ctrl) +{ + struct ov8856 *ov8856 = container_of(ctrl->handler, + struct ov8856, ctrl_handler); + struct i2c_client *client = v4l2_get_subdevdata(&ov8856->sd); + s64 exposure_max; + int ret = 0; + + /* Propagate change of current control to all related controls */ + if (ctrl->id == V4L2_CID_VBLANK) { + /* Update max exposure while meeting expected vblanking */ + exposure_max = ov8856->cur_mode->height + ctrl->val - + OV8856_EXPOSURE_MAX_MARGIN; + __v4l2_ctrl_modify_range(ov8856->exposure, + ov8856->exposure->minimum, + exposure_max, ov8856->exposure->step, + exposure_max); + } + + /* V4L2 controls values will be applied only when power is already up */ + if (!pm_runtime_get_if_in_use(&client->dev)) + return 0; + + switch (ctrl->id) { + case V4L2_CID_ANALOGUE_GAIN: + ret = ov8856_write_reg(ov8856, OV8856_REG_ANALOG_GAIN, + OV8856_REG_VALUE_16BIT, ctrl->val); + break; + + case V4L2_CID_DIGITAL_GAIN: + ret = ov8856_update_digital_gain(ov8856, ctrl->val); + break; + + case V4L2_CID_EXPOSURE: + /* 4 least significant bits of expsoure are fractional part */ + ret = ov8856_write_reg(ov8856, OV8856_REG_EXPOSURE, + OV8856_REG_VALUE_24BIT, ctrl->val << 4); + break; + + case V4L2_CID_VBLANK: + ret = ov8856_write_reg(ov8856, OV8856_REG_VTS, + OV8856_REG_VALUE_16BIT, + ov8856->cur_mode->height + ctrl->val); + break; + + case V4L2_CID_TEST_PATTERN: + ret = ov8856_test_pattern(ov8856, ctrl->val); + break; + + default: + ret = -EINVAL; + break; + } + + pm_runtime_put(&client->dev); + + return ret; +} + +static const struct v4l2_ctrl_ops ov8856_ctrl_ops = { + .s_ctrl = ov8856_set_ctrl, +}; + +static int ov8856_init_controls(struct ov8856 *ov8856) +{ + struct v4l2_ctrl_handler *ctrl_hdlr; + s64 exposure_max, h_blank; + int ret; + + ctrl_hdlr = &ov8856->ctrl_handler; + ret = v4l2_ctrl_handler_init(ctrl_hdlr, 8); + if (ret) + return ret; + + ctrl_hdlr->lock = &ov8856->mutex; + ov8856->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, &ov8856_ctrl_ops, + V4L2_CID_LINK_FREQ, + ARRAY_SIZE(link_freq_menu_items) - 1, + 0, link_freq_menu_items); + if (ov8856->link_freq) + ov8856->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + ov8856->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov8856_ctrl_ops, + V4L2_CID_PIXEL_RATE, 0, + to_pixel_rate(OV8856_LINK_FREQ_720MBPS), + 1, + to_pixel_rate(OV8856_LINK_FREQ_720MBPS)); + ov8856->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov8856_ctrl_ops, + V4L2_CID_VBLANK, + ov8856->cur_mode->vts_min - ov8856->cur_mode->height, + OV8856_VTS_MAX - ov8856->cur_mode->height, 1, + ov8856->cur_mode->vts_def - ov8856->cur_mode->height); + h_blank = to_pixels_per_line(ov8856->cur_mode->hts, + ov8856->cur_mode->link_freq_index) - ov8856->cur_mode->width; + ov8856->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov8856_ctrl_ops, + V4L2_CID_HBLANK, h_blank, h_blank, 1, + h_blank); + if (ov8856->hblank) + ov8856->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + v4l2_ctrl_new_std(ctrl_hdlr, &ov8856_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, + OV8856_ANAL_GAIN_MIN, OV8856_ANAL_GAIN_MAX, + OV8856_ANAL_GAIN_STEP, OV8856_ANAL_GAIN_MIN); + v4l2_ctrl_new_std(ctrl_hdlr, &ov8856_ctrl_ops, V4L2_CID_DIGITAL_GAIN, + OV8856_DGTL_GAIN_MIN, OV8856_DGTL_GAIN_MAX, + OV8856_DGTL_GAIN_STEP, OV8856_DGTL_GAIN_DEFAULT); + exposure_max = ov8856->cur_mode->vts_def - OV8856_EXPOSURE_MAX_MARGIN; + ov8856->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov8856_ctrl_ops, + V4L2_CID_EXPOSURE, + OV8856_EXPOSURE_MIN, exposure_max, + OV8856_EXPOSURE_STEP, + exposure_max); + v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov8856_ctrl_ops, + V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(ov8856_test_pattern_menu) - 1, + 0, 0, ov8856_test_pattern_menu); + if (ctrl_hdlr->error) + return ctrl_hdlr->error; + + ov8856->sd.ctrl_handler = ctrl_hdlr; + + return 0; +} + +static void ov8856_update_pad_format(const struct ov8856_mode *mode, + struct v4l2_mbus_framefmt *fmt) +{ + fmt->width = mode->width; + fmt->height = mode->height; + fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10; + fmt->field = V4L2_FIELD_NONE; +} + +static int ov8856_start_streaming(struct ov8856 *ov8856) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov8856->sd); + const struct ov8856_reg_list *reg_list; + int link_freq_index, ret; + + link_freq_index = ov8856->cur_mode->link_freq_index; + reg_list = &link_freq_configs[link_freq_index].reg_list; + ret = ov8856_write_reg_list(ov8856, reg_list); + if (ret) { + dev_err(&client->dev, "failed to set plls"); + return ret; + } + + reg_list = &ov8856->cur_mode->reg_list; + ret = ov8856_write_reg_list(ov8856, reg_list); + if (ret) { + dev_err(&client->dev, "failed to set mode"); + return ret; + } + + ret = __v4l2_ctrl_handler_setup(ov8856->sd.ctrl_handler); + if (ret) + return ret; + + ret = ov8856_write_reg(ov8856, OV8856_REG_MODE_SELECT, + OV8856_REG_VALUE_08BIT, OV8856_MODE_STREAMING); + if (ret) { + dev_err(&client->dev, "failed to set stream"); + return ret; + } + + return 0; +} + +static void ov8856_stop_streaming(struct ov8856 *ov8856) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov8856->sd); + + if (ov8856_write_reg(ov8856, OV8856_REG_MODE_SELECT, + OV8856_REG_VALUE_08BIT, OV8856_MODE_STANDBY)) + dev_err(&client->dev, "failed to set stream"); +} + +static int ov8856_set_stream(struct v4l2_subdev *sd, int enable) +{ + struct ov8856 *ov8856 = to_ov8856(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); + int ret = 0; + + if (ov8856->streaming == enable) + return 0; + + mutex_lock(&ov8856->mutex); + if (enable) { + ret = pm_runtime_get_sync(&client->dev); + if (ret < 0) { + pm_runtime_put_noidle(&client->dev); + mutex_unlock(&ov8856->mutex); + return ret; + } + + ret = ov8856_start_streaming(ov8856); + if (ret) { + enable = 0; + ov8856_stop_streaming(ov8856); + pm_runtime_put(&client->dev); + } + } else { + ov8856_stop_streaming(ov8856); + pm_runtime_put(&client->dev); + } + + ov8856->streaming = enable; + mutex_unlock(&ov8856->mutex); + + return ret; +} + +static int __maybe_unused ov8856_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov8856 *ov8856 = to_ov8856(sd); + + mutex_lock(&ov8856->mutex); + if (ov8856->streaming) + ov8856_stop_streaming(ov8856); + + mutex_unlock(&ov8856->mutex); + + return 0; +} + +static int __maybe_unused ov8856_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov8856 *ov8856 = to_ov8856(sd); + int ret; + + mutex_lock(&ov8856->mutex); + if (ov8856->streaming) { + ret = ov8856_start_streaming(ov8856); + if (ret) { + ov8856->streaming = false; + ov8856_stop_streaming(ov8856); + mutex_unlock(&ov8856->mutex); + return ret; + } + } + + mutex_unlock(&ov8856->mutex); + + return 0; +} + +static int ov8856_set_format(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt) +{ + struct ov8856 *ov8856 = to_ov8856(sd); + const struct ov8856_mode *mode; + s32 vblank_def, h_blank; + + mode = v4l2_find_nearest_size(supported_modes, + ARRAY_SIZE(supported_modes), width, + height, fmt->format.width, + fmt->format.height); + + mutex_lock(&ov8856->mutex); + ov8856_update_pad_format(mode, &fmt->format); + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { + *v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format; + } else { + ov8856->cur_mode = mode; + __v4l2_ctrl_s_ctrl(ov8856->link_freq, mode->link_freq_index); + __v4l2_ctrl_s_ctrl_int64(ov8856->pixel_rate, + to_pixel_rate(mode->link_freq_index)); + + /* Update limits and set FPS to default */ + vblank_def = mode->vts_def - mode->height; + __v4l2_ctrl_modify_range(ov8856->vblank, + mode->vts_min - mode->height, + OV8856_VTS_MAX - mode->height, 1, + vblank_def); + __v4l2_ctrl_s_ctrl(ov8856->vblank, vblank_def); + h_blank = to_pixels_per_line(mode->hts, mode->link_freq_index) - + mode->width; + __v4l2_ctrl_modify_range(ov8856->hblank, h_blank, h_blank, 1, + h_blank); + } + + mutex_unlock(&ov8856->mutex); + + return 0; +} + +static int ov8856_get_format(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt) +{ + struct ov8856 *ov8856 = to_ov8856(sd); + + mutex_lock(&ov8856->mutex); + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) + fmt->format = *v4l2_subdev_get_try_format(&ov8856->sd, cfg, + fmt->pad); + else + ov8856_update_pad_format(ov8856->cur_mode, &fmt->format); + + mutex_unlock(&ov8856->mutex); + + return 0; +} + +static int ov8856_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) +{ + /* Only one bayer order GRBG is supported */ + if (code->index > 0) + return -EINVAL; + + code->code = MEDIA_BUS_FMT_SGRBG10_1X10; + + return 0; +} + +static int ov8856_enum_frame_size(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_size_enum *fse) +{ + if (fse->index >= ARRAY_SIZE(supported_modes)) + return -EINVAL; + + if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10) + return -EINVAL; + + fse->min_width = supported_modes[fse->index].width; + fse->max_width = fse->min_width; + fse->min_height = supported_modes[fse->index].height; + fse->max_height = fse->min_height; + + return 0; +} + +static int ov8856_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) +{ + struct ov8856 *ov8856 = to_ov8856(sd); + + mutex_lock(&ov8856->mutex); + ov8856_update_pad_format(&supported_modes[0], + v4l2_subdev_get_try_format(sd, fh->pad, 0)); + mutex_unlock(&ov8856->mutex); + + return 0; +} + +static const struct v4l2_subdev_video_ops ov8856_video_ops = { + .s_stream = ov8856_set_stream, +}; + +static const struct v4l2_subdev_pad_ops ov8856_pad_ops = { + .set_fmt = ov8856_set_format, + .get_fmt = ov8856_get_format, + .enum_mbus_code = ov8856_enum_mbus_code, + .enum_frame_size = ov8856_enum_frame_size, +}; + +static const struct v4l2_subdev_ops ov8856_subdev_ops = { + .video = &ov8856_video_ops, + .pad = &ov8856_pad_ops, +}; + +static const struct media_entity_operations ov8856_subdev_entity_ops = { + .link_validate = v4l2_subdev_link_validate, +}; + +static const struct v4l2_subdev_internal_ops ov8856_internal_ops = { + .open = ov8856_open, +}; + +static int ov8856_identify_module(struct ov8856 *ov8856) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov8856->sd); + int ret; + u32 val; + + ret = ov8856_read_reg(ov8856, OV8856_REG_CHIP_ID, + OV8856_REG_VALUE_24BIT, &val); + if (ret) + return ret; + + if (val != OV8856_CHIP_ID) { + dev_err(&client->dev, "chip id mismatch: %x!=%x", + OV8856_CHIP_ID, val); + return -ENXIO; + } + + return 0; +} + +static int ov8856_check_hwcfg(struct device *dev) +{ + struct fwnode_handle *ep; + struct fwnode_handle *fwnode = dev_fwnode(dev); + struct v4l2_fwnode_endpoint bus_cfg = { + .bus_type = V4L2_MBUS_CSI2_DPHY + }; + u32 mclk; + int ret; + unsigned int i, j; + + if (!fwnode) + return -ENXIO; + + fwnode_property_read_u32(fwnode, "clock-frequency", &mclk); + if (mclk != OV8856_MCLK) { + dev_err(dev, "external clock %d is not supported", mclk); + return -EINVAL; + } + + ep = fwnode_graph_get_next_endpoint(fwnode, NULL); + if (!ep) + return -ENXIO; + + ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); + fwnode_handle_put(ep); + if (ret) + return ret; + + if (bus_cfg.bus.mipi_csi2.num_data_lanes != OV8856_DATA_LANES) { + dev_err(dev, "number of CSI2 data lanes %d is not supported", + bus_cfg.bus.mipi_csi2.num_data_lanes); + ret = -EINVAL; + goto check_hwcfg_error; + } + + if (!bus_cfg.nr_of_link_frequencies) { + dev_err(dev, "no link frequencies defined"); + ret = -EINVAL; + goto check_hwcfg_error; + } + + for (i = 0; i < ARRAY_SIZE(link_freq_menu_items); i++) { + for (j = 0; j < bus_cfg.nr_of_link_frequencies; j++) { + if (link_freq_menu_items[i] == + bus_cfg.link_frequencies[j]) + break; + } + + if (j == bus_cfg.nr_of_link_frequencies) { + dev_err(dev, "no link frequency %lld supported", + link_freq_menu_items[i]); + ret = -EINVAL; + goto check_hwcfg_error; + } + } + +check_hwcfg_error: + v4l2_fwnode_endpoint_free(&bus_cfg); + + return ret; +} + +static int ov8856_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov8856 *ov8856 = to_ov8856(sd); + + v4l2_async_unregister_subdev(sd); + media_entity_cleanup(&sd->entity); + v4l2_ctrl_handler_free(sd->ctrl_handler); + pm_runtime_disable(&client->dev); + mutex_destroy(&ov8856->mutex); + + return 0; +} + +static int ov8856_probe(struct i2c_client *client) +{ + struct ov8856 *ov8856; + int ret; + + ret = ov8856_check_hwcfg(&client->dev); + if (ret) { + dev_err(&client->dev, "failed to check HW configuration: %d", + ret); + return ret; + } + + ov8856 = devm_kzalloc(&client->dev, sizeof(*ov8856), GFP_KERNEL); + if (!ov8856) + return -ENOMEM; + + v4l2_i2c_subdev_init(&ov8856->sd, client, &ov8856_subdev_ops); + ret = ov8856_identify_module(ov8856); + if (ret) { + dev_err(&client->dev, "failed to find sensor: %d", ret); + return ret; + } + + mutex_init(&ov8856->mutex); + ov8856->cur_mode = &supported_modes[0]; + ret = ov8856_init_controls(ov8856); + if (ret) { + dev_err(&client->dev, "failed to init controls: %d", ret); + goto probe_error_v4l2_ctrl_handler_free; + } + + ov8856->sd.internal_ops = &ov8856_internal_ops; + ov8856->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + ov8856->sd.entity.ops = &ov8856_subdev_entity_ops; + ov8856->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; + ov8856->pad.flags = MEDIA_PAD_FL_SOURCE; + ret = media_entity_pads_init(&ov8856->sd.entity, 1, &ov8856->pad); + if (ret) { + dev_err(&client->dev, "failed to init entity pads: %d", ret); + goto probe_error_v4l2_ctrl_handler_free; + } + + ret = v4l2_async_register_subdev_sensor_common(&ov8856->sd); + if (ret < 0) { + dev_err(&client->dev, "failed to register V4L2 subdev: %d", + ret); + goto probe_error_media_entity_cleanup; + } + + /* + * Device is already turned on by i2c-core with ACPI domain PM. + * Enable runtime PM and turn off the device. + */ + pm_runtime_set_active(&client->dev); + pm_runtime_enable(&client->dev); + pm_runtime_idle(&client->dev); + + return 0; + +probe_error_media_entity_cleanup: + media_entity_cleanup(&ov8856->sd.entity); + +probe_error_v4l2_ctrl_handler_free: + v4l2_ctrl_handler_free(ov8856->sd.ctrl_handler); + mutex_destroy(&ov8856->mutex); + + return ret; +} + +static const struct dev_pm_ops ov8856_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(ov8856_suspend, ov8856_resume) +}; + +#ifdef CONFIG_ACPI +static const struct acpi_device_id ov8856_acpi_ids[] = { + {"OVTI8856"}, + {} +}; + +MODULE_DEVICE_TABLE(acpi, ov8856_acpi_ids); +#endif + +static struct i2c_driver ov8856_i2c_driver = { + .driver = { + .name = "ov8856", + .pm = &ov8856_pm_ops, + .acpi_match_table = ACPI_PTR(ov8856_acpi_ids), + }, + .probe_new = ov8856_probe, + .remove = ov8856_remove, +}; + +module_i2c_driver(ov8856_i2c_driver); + +MODULE_AUTHOR("Ben Kao "); +MODULE_DESCRIPTION("OmniVision OV8856 sensor driver"); +MODULE_LICENSE("GPL v2"); -- cgit v1.2.3-59-g8ed1b From 721074b03411327e7bf41555d4cc7c18f49313f7 Mon Sep 17 00:00:00 2001 From: Patrick Lerda Date: Thu, 17 Jan 2019 03:50:13 -0500 Subject: media: rc: rcmm decoder and encoder media: add support for RCMM infrared remote controls. Signed-off-by: Patrick Lerda Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab --- Documentation/media/lirc.h.rst.exceptions | 3 + MAINTAINERS | 5 + drivers/media/rc/Kconfig | 13 ++ drivers/media/rc/Makefile | 1 + drivers/media/rc/ir-rcmm-decoder.c | 254 ++++++++++++++++++++++++++++++ drivers/media/rc/rc-core-priv.h | 5 + drivers/media/rc/rc-main.c | 9 ++ include/media/rc-map.h | 14 +- include/uapi/linux/lirc.h | 6 + tools/include/uapi/linux/lirc.h | 12 ++ tools/testing/selftests/ir/ir_loopback.c | 9 ++ 11 files changed, 328 insertions(+), 3 deletions(-) create mode 100644 drivers/media/rc/ir-rcmm-decoder.c (limited to 'MAINTAINERS') diff --git a/Documentation/media/lirc.h.rst.exceptions b/Documentation/media/lirc.h.rst.exceptions index 379b9e7df5d0..7a8b8ff4f076 100644 --- a/Documentation/media/lirc.h.rst.exceptions +++ b/Documentation/media/lirc.h.rst.exceptions @@ -60,6 +60,9 @@ ignore symbol RC_PROTO_SHARP ignore symbol RC_PROTO_XMP ignore symbol RC_PROTO_CEC ignore symbol RC_PROTO_IMON +ignore symbol RC_PROTO_RCMM12 +ignore symbol RC_PROTO_RCMM24 +ignore symbol RC_PROTO_RCMM32 # Undocumented macros diff --git a/MAINTAINERS b/MAINTAINERS index 914d333ee73d..9662ad6c58e4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -16536,6 +16536,11 @@ M: David Härdeman S: Maintained F: drivers/media/rc/winbond-cir.c +RCMM REMOTE CONTROLS DECODER +M: Patrick Lerda +S: Maintained +F: drivers/media/rc/ir-rcmm-decoder.c + WINSYSTEMS EBC-C384 WATCHDOG DRIVER M: William Breathitt Gray L: linux-watchdog@vger.kernel.org diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig index 8a216068a35a..8e95f6eac89d 100644 --- a/drivers/media/rc/Kconfig +++ b/drivers/media/rc/Kconfig @@ -133,6 +133,19 @@ config IR_IMON_DECODER remote control and you would like to use it with a raw IR receiver, or if you wish to use an encoder to transmit this IR. +config IR_RCMM_DECODER + tristate "Enable IR raw decoder for the RC-MM protocol" + depends on RC_CORE + help + Enable this option when you have IR with RC-MM protocol, and + you need the software decoder. The driver supports 12, + 24 and 32 bits RC-MM variants. You can enable or disable the + different modes using the following RC protocol keywords: + 'rc-mm-12', 'rc-mm-24' and 'rc-mm-32'. + + To compile this driver as a module, choose M here: the module + will be called ir-rcmm-decoder. + endif #RC_DECODERS menuconfig RC_DEVICES diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile index 92c163816849..48d23433b3c0 100644 --- a/drivers/media/rc/Makefile +++ b/drivers/media/rc/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_IR_SHARP_DECODER) += ir-sharp-decoder.o obj-$(CONFIG_IR_MCE_KBD_DECODER) += ir-mce_kbd-decoder.o obj-$(CONFIG_IR_XMP_DECODER) += ir-xmp-decoder.o obj-$(CONFIG_IR_IMON_DECODER) += ir-imon-decoder.o +obj-$(CONFIG_IR_RCMM_DECODER) += ir-rcmm-decoder.o # stand-alone IR receivers/transmitters obj-$(CONFIG_RC_ATI_REMOTE) += ati_remote.o diff --git a/drivers/media/rc/ir-rcmm-decoder.c b/drivers/media/rc/ir-rcmm-decoder.c new file mode 100644 index 000000000000..f1096ac1e5c5 --- /dev/null +++ b/drivers/media/rc/ir-rcmm-decoder.c @@ -0,0 +1,254 @@ +// SPDX-License-Identifier: GPL-2.0+ +// ir-rcmm-decoder.c - A decoder for the RCMM IR protocol +// +// Copyright (C) 2018 by Patrick Lerda + +#include "rc-core-priv.h" +#include +#include + +#define RCMM_UNIT 166667 /* nanosecs */ +#define RCMM_PREFIX_PULSE 416666 /* 166666.666666666*2.5 */ +#define RCMM_PULSE_0 277777 /* 166666.666666666*(1+2/3) */ +#define RCMM_PULSE_1 444444 /* 166666.666666666*(2+2/3) */ +#define RCMM_PULSE_2 611111 /* 166666.666666666*(3+2/3) */ +#define RCMM_PULSE_3 777778 /* 166666.666666666*(4+2/3) */ + +enum rcmm_state { + STATE_INACTIVE, + STATE_LOW, + STATE_BUMP, + STATE_VALUE, + STATE_FINISHED, +}; + +static bool rcmm_mode(const struct rcmm_dec *data) +{ + return !((0x000c0000 & data->bits) == 0x000c0000); +} + +static int rcmm_miscmode(struct rc_dev *dev, struct rcmm_dec *data) +{ + switch (data->count) { + case 24: + if (dev->enabled_protocols & RC_PROTO_BIT_RCMM24) { + rc_keydown(dev, RC_PROTO_RCMM24, data->bits, 0); + data->state = STATE_INACTIVE; + return 0; + } + return -1; + + case 12: + if (dev->enabled_protocols & RC_PROTO_BIT_RCMM12) { + rc_keydown(dev, RC_PROTO_RCMM12, data->bits, 0); + data->state = STATE_INACTIVE; + return 0; + } + return -1; + } + + return -1; +} + +/** + * ir_rcmm_decode() - Decode one RCMM pulse or space + * @dev: the struct rc_dev descriptor of the device + * @ev: the struct ir_raw_event descriptor of the pulse/space + * + * This function returns -EINVAL if the pulse violates the state machine + */ +static int ir_rcmm_decode(struct rc_dev *dev, struct ir_raw_event ev) +{ + struct rcmm_dec *data = &dev->raw->rcmm; + u32 scancode; + u8 toggle; + int value; + + if (!(dev->enabled_protocols & (RC_PROTO_BIT_RCMM32 | + RC_PROTO_BIT_RCMM24 | + RC_PROTO_BIT_RCMM12))) + return 0; + + if (!is_timing_event(ev)) { + if (ev.reset) + data->state = STATE_INACTIVE; + return 0; + } + + switch (data->state) { + case STATE_INACTIVE: + if (!ev.pulse) + break; + + if (!eq_margin(ev.duration, RCMM_PREFIX_PULSE, RCMM_UNIT / 2)) + break; + + data->state = STATE_LOW; + data->count = 0; + data->bits = 0; + return 0; + + case STATE_LOW: + if (ev.pulse) + break; + + if (!eq_margin(ev.duration, RCMM_PULSE_0, RCMM_UNIT / 2)) + break; + + data->state = STATE_BUMP; + return 0; + + case STATE_BUMP: + if (!ev.pulse) + break; + + if (!eq_margin(ev.duration, RCMM_UNIT, RCMM_UNIT / 2)) + break; + + data->state = STATE_VALUE; + return 0; + + case STATE_VALUE: + if (ev.pulse) + break; + + if (eq_margin(ev.duration, RCMM_PULSE_0, RCMM_UNIT / 2)) + value = 0; + else if (eq_margin(ev.duration, RCMM_PULSE_1, RCMM_UNIT / 2)) + value = 1; + else if (eq_margin(ev.duration, RCMM_PULSE_2, RCMM_UNIT / 2)) + value = 2; + else if (eq_margin(ev.duration, RCMM_PULSE_3, RCMM_UNIT / 2)) + value = 3; + else + value = -1; + + if (value == -1) { + if (!rcmm_miscmode(dev, data)) + return 0; + break; + } + + data->bits <<= 2; + data->bits |= value; + + data->count += 2; + + if (data->count < 32) + data->state = STATE_BUMP; + else + data->state = STATE_FINISHED; + + return 0; + + case STATE_FINISHED: + if (!ev.pulse) + break; + + if (!eq_margin(ev.duration, RCMM_UNIT, RCMM_UNIT / 2)) + break; + + if (rcmm_mode(data)) { + toggle = !!(0x8000 & data->bits); + scancode = data->bits & ~0x8000; + } else { + toggle = 0; + scancode = data->bits; + } + + if (dev->enabled_protocols & RC_PROTO_BIT_RCMM32) { + rc_keydown(dev, RC_PROTO_RCMM32, scancode, toggle); + data->state = STATE_INACTIVE; + return 0; + } + + break; + } + + data->state = STATE_INACTIVE; + return -EINVAL; +} + +static const int rcmmspace[] = { + RCMM_PULSE_0, + RCMM_PULSE_1, + RCMM_PULSE_2, + RCMM_PULSE_3, +}; + +static int ir_rcmm_rawencoder(struct ir_raw_event **ev, unsigned int max, + unsigned int n, u32 data) +{ + int i; + int ret; + + ret = ir_raw_gen_pulse_space(ev, &max, RCMM_PREFIX_PULSE, RCMM_PULSE_0); + if (ret) + return ret; + + for (i = n - 2; i >= 0; i -= 2) { + const unsigned int space = rcmmspace[(data >> i) & 3]; + + ret = ir_raw_gen_pulse_space(ev, &max, RCMM_UNIT, space); + if (ret) + return ret; + } + + return ir_raw_gen_pulse_space(ev, &max, RCMM_UNIT, RCMM_PULSE_3 * 2); +} + +static int ir_rcmm_encode(enum rc_proto protocol, u32 scancode, + struct ir_raw_event *events, unsigned int max) +{ + struct ir_raw_event *e = events; + int ret; + + switch (protocol) { + case RC_PROTO_RCMM32: + ret = ir_rcmm_rawencoder(&e, max, 32, scancode); + break; + case RC_PROTO_RCMM24: + ret = ir_rcmm_rawencoder(&e, max, 24, scancode); + break; + case RC_PROTO_RCMM12: + ret = ir_rcmm_rawencoder(&e, max, 12, scancode); + break; + default: + ret = -EINVAL; + } + + if (ret < 0) + return ret; + + return e - events; +} + +static struct ir_raw_handler rcmm_handler = { + .protocols = RC_PROTO_BIT_RCMM32 | + RC_PROTO_BIT_RCMM24 | + RC_PROTO_BIT_RCMM12, + .decode = ir_rcmm_decode, + .encode = ir_rcmm_encode, + .carrier = 36000, + .min_timeout = RCMM_PULSE_3 + RCMM_UNIT, +}; + +static int __init ir_rcmm_decode_init(void) +{ + ir_raw_handler_register(&rcmm_handler); + + pr_info("IR RCMM protocol handler initialized\n"); + return 0; +} + +static void __exit ir_rcmm_decode_exit(void) +{ + ir_raw_handler_unregister(&rcmm_handler); +} + +module_init(ir_rcmm_decode_init); +module_exit(ir_rcmm_decode_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Patrick Lerda"); +MODULE_DESCRIPTION("RCMM IR protocol decoder"); diff --git a/drivers/media/rc/rc-core-priv.h b/drivers/media/rc/rc-core-priv.h index c2cbe7f6266c..9f21b3e8b377 100644 --- a/drivers/media/rc/rc-core-priv.h +++ b/drivers/media/rc/rc-core-priv.h @@ -131,6 +131,11 @@ struct ir_raw_event_ctrl { unsigned int bits; bool stick_keyboard; } imon; + struct rcmm_dec { + int state; + unsigned int count; + u32 bits; + } rcmm; }; /* Mutex for locking raw IR processing and handler change */ diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index 66a174979b3c..dc38e9c0a2ff 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -70,6 +70,12 @@ static const struct { [RC_PROTO_CEC] = { .name = "cec", .repeat_period = 0 }, [RC_PROTO_IMON] = { .name = "imon", .scancode_bits = 0x7fffffff, .repeat_period = 114 }, + [RC_PROTO_RCMM12] = { .name = "rc-mm-12", + .scancode_bits = 0x00000fff, .repeat_period = 114 }, + [RC_PROTO_RCMM24] = { .name = "rc-mm-24", + .scancode_bits = 0x00ffffff, .repeat_period = 114 }, + [RC_PROTO_RCMM32] = { .name = "rc-mm-32", + .scancode_bits = 0xffffffff, .repeat_period = 114 }, }; /* Used to keep track of known keymaps */ @@ -1006,6 +1012,9 @@ static const struct { { RC_PROTO_BIT_XMP, "xmp", "ir-xmp-decoder" }, { RC_PROTO_BIT_CEC, "cec", NULL }, { RC_PROTO_BIT_IMON, "imon", "ir-imon-decoder" }, + { RC_PROTO_BIT_RCMM12 | + RC_PROTO_BIT_RCMM24 | + RC_PROTO_BIT_RCMM32, "rc-mm", "ir-rcmm-decoder" }, }; /** diff --git a/include/media/rc-map.h b/include/media/rc-map.h index d621acadfbf3..e5e86d595645 100644 --- a/include/media/rc-map.h +++ b/include/media/rc-map.h @@ -37,6 +37,9 @@ #define RC_PROTO_BIT_XMP BIT_ULL(RC_PROTO_XMP) #define RC_PROTO_BIT_CEC BIT_ULL(RC_PROTO_CEC) #define RC_PROTO_BIT_IMON BIT_ULL(RC_PROTO_IMON) +#define RC_PROTO_BIT_RCMM12 BIT_ULL(RC_PROTO_RCMM12) +#define RC_PROTO_BIT_RCMM24 BIT_ULL(RC_PROTO_RCMM24) +#define RC_PROTO_BIT_RCMM32 BIT_ULL(RC_PROTO_RCMM32) #define RC_PROTO_BIT_ALL \ (RC_PROTO_BIT_UNKNOWN | RC_PROTO_BIT_OTHER | \ @@ -51,7 +54,8 @@ RC_PROTO_BIT_RC6_6A_24 | RC_PROTO_BIT_RC6_6A_32 | \ RC_PROTO_BIT_RC6_MCE | RC_PROTO_BIT_SHARP | \ RC_PROTO_BIT_XMP | RC_PROTO_BIT_CEC | \ - RC_PROTO_BIT_IMON) + RC_PROTO_BIT_IMON | RC_PROTO_BIT_RCMM12 | \ + RC_PROTO_BIT_RCMM24 | RC_PROTO_BIT_RCMM32) /* All rc protocols for which we have decoders */ #define RC_PROTO_BIT_ALL_IR_DECODER \ (RC_PROTO_BIT_RC5 | RC_PROTO_BIT_RC5X_20 | \ @@ -64,7 +68,9 @@ RC_PROTO_BIT_RC6_0 | RC_PROTO_BIT_RC6_6A_20 | \ RC_PROTO_BIT_RC6_6A_24 | RC_PROTO_BIT_RC6_6A_32 | \ RC_PROTO_BIT_RC6_MCE | RC_PROTO_BIT_SHARP | \ - RC_PROTO_BIT_XMP | RC_PROTO_BIT_IMON) + RC_PROTO_BIT_XMP | RC_PROTO_BIT_IMON | \ + RC_PROTO_BIT_RCMM12 | RC_PROTO_BIT_RCMM24 | \ + RC_PROTO_BIT_RCMM32) #define RC_PROTO_BIT_ALL_IR_ENCODER \ (RC_PROTO_BIT_RC5 | RC_PROTO_BIT_RC5X_20 | \ @@ -77,7 +83,9 @@ RC_PROTO_BIT_RC6_0 | RC_PROTO_BIT_RC6_6A_20 | \ RC_PROTO_BIT_RC6_6A_24 | \ RC_PROTO_BIT_RC6_6A_32 | RC_PROTO_BIT_RC6_MCE | \ - RC_PROTO_BIT_SHARP | RC_PROTO_BIT_IMON) + RC_PROTO_BIT_SHARP | RC_PROTO_BIT_IMON | \ + RC_PROTO_BIT_RCMM12 | RC_PROTO_BIT_RCMM24 | \ + RC_PROTO_BIT_RCMM32) #define RC_SCANCODE_UNKNOWN(x) (x) #define RC_SCANCODE_OTHER(x) (x) diff --git a/include/uapi/linux/lirc.h b/include/uapi/linux/lirc.h index 6b319581882f..45fcbf99d72e 100644 --- a/include/uapi/linux/lirc.h +++ b/include/uapi/linux/lirc.h @@ -192,6 +192,9 @@ struct lirc_scancode { * @RC_PROTO_XMP: XMP protocol * @RC_PROTO_CEC: CEC protocol * @RC_PROTO_IMON: iMon Pad protocol + * @RC_PROTO_RCMM12: RC-MM protocol 12 bits + * @RC_PROTO_RCMM24: RC-MM protocol 24 bits + * @RC_PROTO_RCMM32: RC-MM protocol 32 bits */ enum rc_proto { RC_PROTO_UNKNOWN = 0, @@ -218,6 +221,9 @@ enum rc_proto { RC_PROTO_XMP = 21, RC_PROTO_CEC = 22, RC_PROTO_IMON = 23, + RC_PROTO_RCMM12 = 24, + RC_PROTO_RCMM24 = 25, + RC_PROTO_RCMM32 = 26, }; #endif diff --git a/tools/include/uapi/linux/lirc.h b/tools/include/uapi/linux/lirc.h index f189931042a7..45fcbf99d72e 100644 --- a/tools/include/uapi/linux/lirc.h +++ b/tools/include/uapi/linux/lirc.h @@ -133,6 +133,12 @@ #define LIRC_SET_WIDEBAND_RECEIVER _IOW('i', 0x00000023, __u32) +/* + * Return the recording timeout, which is either set by + * the ioctl LIRC_SET_REC_TIMEOUT or by the kernel after setting the protocols. + */ +#define LIRC_GET_REC_TIMEOUT _IOR('i', 0x00000024, __u32) + /* * struct lirc_scancode - decoded scancode with protocol for use with * LIRC_MODE_SCANCODE @@ -186,6 +192,9 @@ struct lirc_scancode { * @RC_PROTO_XMP: XMP protocol * @RC_PROTO_CEC: CEC protocol * @RC_PROTO_IMON: iMon Pad protocol + * @RC_PROTO_RCMM12: RC-MM protocol 12 bits + * @RC_PROTO_RCMM24: RC-MM protocol 24 bits + * @RC_PROTO_RCMM32: RC-MM protocol 32 bits */ enum rc_proto { RC_PROTO_UNKNOWN = 0, @@ -212,6 +221,9 @@ enum rc_proto { RC_PROTO_XMP = 21, RC_PROTO_CEC = 22, RC_PROTO_IMON = 23, + RC_PROTO_RCMM12 = 24, + RC_PROTO_RCMM24 = 25, + RC_PROTO_RCMM32 = 26, }; #endif diff --git a/tools/testing/selftests/ir/ir_loopback.c b/tools/testing/selftests/ir/ir_loopback.c index 858c19caf224..570a7358942c 100644 --- a/tools/testing/selftests/ir/ir_loopback.c +++ b/tools/testing/selftests/ir/ir_loopback.c @@ -51,6 +51,10 @@ static const struct { { RC_PROTO_RC6_6A_32, "rc-6-6a-32", 0xffffffff, "rc-6" }, { RC_PROTO_RC6_MCE, "rc-6-mce", 0x00007fff, "rc-6" }, { RC_PROTO_SHARP, "sharp", 0x1fff, "sharp" }, + { RC_PROTO_IMON, "imon", 0x7fffffff, "imon" }, + { RC_PROTO_RCMM12, "rcmm-12", 0x00000fff, "rcmm" }, + { RC_PROTO_RCMM24, "rcmm-24", 0x00ffffff, "rcmm" }, + { RC_PROTO_RCMM32, "rcmm-32", 0xffffffff, "rcmm" }, }; int lirc_open(const char *rc) @@ -139,6 +143,11 @@ int main(int argc, char **argv) (((scancode >> 8) ^ ~scancode) & 0xff) == 0) continue; + if (rc_proto == RC_PROTO_RCMM32 && + (scancode & 0x000c0000) != 0x000c0000 && + scancode & 0x00008000) + continue; + struct lirc_scancode lsc = { .rc_proto = rc_proto, .scancode = scancode -- cgit v1.2.3-59-g8ed1b From b3c786566d8f3f69b9f4144c2707db74158caf9a Mon Sep 17 00:00:00 2001 From: Rui Miguel Silva Date: Wed, 6 Feb 2019 10:13:28 -0500 Subject: media: MAINTAINERS: add entry for Freescale i.MX7 media driver Add maintainer entry for the imx7 media csi, mipi csis driver, dt-bindings and documentation. Signed-off-by: Rui Miguel Silva Acked-by: Sakari Ailus Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- MAINTAINERS | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'MAINTAINERS') diff --git a/MAINTAINERS b/MAINTAINERS index 9662ad6c58e4..1c6ecae87c26 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9357,6 +9357,17 @@ T: git git://linuxtv.org/media_tree.git S: Maintained F: drivers/media/platform/imx-pxp.[ch] +MEDIA DRIVERS FOR FREESCALE IMX7 +M: Rui Miguel Silva +L: linux-media@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +S: Maintained +F: Documentation/devicetree/bindings/media/imx7-csi.txt +F: Documentation/devicetree/bindings/media/imx7-mipi-csi2.txt +F: Documentation/media/v4l-drivers/imx7.rst +F: drivers/staging/media/imx/imx7-media-csi.c +F: drivers/staging/media/imx/imx7-mipi-csis.c + MEDIA DRIVERS FOR HELENE M: Abylay Ospan L: linux-media@vger.kernel.org -- cgit v1.2.3-59-g8ed1b