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/linux/Documentation/devicetree/bindings/media/
H A Dsamsung,exynos4210-fimc.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/media/samsung,exynos4210-fimc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11 - Sylwester Nawrocki <s.nawrocki@samsung.com>
20 - samsung,exynos4210-fimc
21 - samsung,exynos4212-fimc
22 - samsung,s5pv210-fimc
30 clock-names:
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H A Dsamsung,fimc.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11 - Sylwester Nawrocki <s.nawrocki@samsung.com>
14 The S5P/Exynos SoC Camera subsystem comprises of multiple sub-devices
17 CSIS, FIMC-LITE and FIMC-IS (ISP).
25 '#address-cells':
28 '#size-cells':
31 '#clock-cells':
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/linux/drivers/media/usb/gspca/
H A Dstk1135.c1 // SPDX-License-Identifier: GPL-2.0-or-later
45 /* -- read a register -- */
48 struct usb_device *dev = gspca_dev->dev; in reg_r()
51 if (gspca_dev->usb_err < 0) in reg_r()
58 gspca_dev->usb_buf, 1, in reg_r()
62 index, gspca_dev->usb_buf[0]); in reg_r()
65 gspca_dev->usb_err = ret; in reg_r()
69 return gspca_dev->usb_buf[0]; in reg_r()
72 /* -- write a register -- */
76 struct usb_device *dev = gspca_dev->dev; in reg_w()
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/linux/Documentation/userspace-api/media/v4l/
H A Dcrop.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
6 Image Cropping, Insertion and Scaling -- the CROP API
12 <selection-api>`. The new API should be preferred in most cases,
15 equivalent in the SELECTION API. See :ref:`selection-vs-crop` for a
25 signal, query the default area and the hardware limits.
62 .. _crop-scale:
64 .. kernel-figure:: crop.svg
81 :ref:`vbi-hsync`). Vertically ITU-R line numbers of the first field
82 (see ITU R-525 line numbering for :ref:`525 lines <vbi-525>` and for
83 :ref:`625 lines <vbi-625>`), multiplied by two if the driver
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H A Ddiff-v4l.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _diff-v4l:
23 and below in :ref:`v4l-dev`.
25 The teletext devices (minor range 192-223) have been removed in V4L2 and
35 .. _v4l-dev:
37 .. flat-table:: V4L Device Types, Names and Numbers
38 :header-rows: 1
39 :stub-columns: 0
41 * - Device Type
42 - File Name
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H A Ddev-overlay.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
11 Video overlay devices have the ability to genlock (TV-)video into the
12 (VGA-)video signal of a graphics card, or to store captured images
62 :ref:`streaming parameter <streaming-par>` ioctls as needed. The
93 1. Chroma-keying displays the overlaid image only where pixels in the
142 adjusts the parameters against hardware limits and returns the actual
162 ------------------
181 When chroma-keying has been negotiated with
187 :ref:`V4L2_PIX_FMT_BGR24 <V4L2-PIX-FMT-BGR32>` the value should
192 When chroma-keying has *not* been negotiated and
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/linux/arch/arm/boot/dts/samsung/
H A Dexynos4210.dtsi1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
7 * Copyright (c) 2010-2011 Linaro Ltd.
20 #include "exynos4-cpu-thermal.dtsi"
31 bus_acp: bus-acp {
32 compatible = "samsung,exynos-bus";
34 clock-names = "bus";
35 operating-points-v2 = <&bus_acp_opp_table>;
38 bus_acp_opp_table: opp-table {
39 compatible = "operating-points-v2";
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H A Ds5pv210.dtsi1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2013-2014 Samsung Electronics, Co. Ltd.
19 #include <dt-bindings/clock/s5pv210.h>
20 #include <dt-bindings/clock/s5pv210-audss.h>
23 #address-cells = <1>;
24 #size-cells = <1>;
45 #address-cells = <1>;
46 #size-cells = <0>;
50 compatible = "arm,cortex-a8";
55 xxti: oscillator-0 {
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H A Dexynos4x12.dtsi1 // SPDX-License-Identifier: GPL-2.0
19 #include "exynos4-cpu-thermal.dtsi"
27 fimc-lite0 = &fimc_lite_0;
28 fimc-lite1 = &fimc_lite_1;
31 bus_acp: bus-acp {
32 compatible = "samsung,exynos-bus";
34 clock-names = "bus";
35 operating-points-v2 = <&bus_acp_opp_table>;
38 bus_acp_opp_table: opp-table {
39 compatible = "operating-points-v2";
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/linux/drivers/media/i2c/
H A Dccs-pll.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * drivers/media/i2c/ccs-pll.h
17 /* CSI-2 or CCP-2 */
22 /* op pix clock is for all lanes in total normally */
37 * struct ccs_pll_branch_fr - CCS PLL configuration (front)
39 * A single branch front-end of the CCS PLL tree.
41 * @pre_pll_clk_div: Pre-PLL clock divisor
54 * struct ccs_pll_branch_bk - CCS PLL configuration (back)
56 * A single branch back-end of the CCS PLL tree.
71 * struct ccs_pll - Full CCS PLL configuration
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H A Daptina-pll.c1 // SPDX-License-Identifier: GPL-2.0-only
13 #include "aptina-pll.h"
16 const struct aptina_pll_limits *limits, in aptina_pll_calculate() argument
26 dev_dbg(dev, "PLL: ext clock %u pix clock %u\n", in aptina_pll_calculate()
27 pll->ext_clock, pll->pix_clock); in aptina_pll_calculate()
29 if (pll->ext_clock < limits->ext_clock_min || in aptina_pll_calculate()
30 pll->ext_clock > limits->ext_clock_max) { in aptina_pll_calculate()
32 return -EINVAL; in aptina_pll_calculate()
35 if (pll->pix_clock == 0 || pll->pix_clock > limits->pix_clock_max) { in aptina_pll_calculate()
37 return -EINVAL; in aptina_pll_calculate()
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H A Dccs-pll.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * drivers/media/i2c/ccs-pll.c
8 * Copyright (C) 2011--2012 Nokia Corporation
17 #include "ccs-pll.h"
55 dev_dbg(dev, "%s_%s out of bounds: %d (%d--%d)\n", prefix, in bounds_check()
58 return -EINVAL; in bounds_check()
85 { &pll->vt_fr, &pll->vt_bk, PLL_VT }, in print_pll()
86 { &pll->op_fr, &pll->op_bk, PLL_OP } in print_pll()
90 dev_dbg(dev, "ext_clk_freq_hz\t\t%u\n", pll->ext_clk_freq_hz); in print_pll()
93 const char *s = pll_string(br->which); in print_pll()
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H A Dtvp5150.c1 // SPDX-License-Identifier: GPL-2.0
3 // tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 video decoder driver
7 #include <dt-bindings/media/tvp5150.h>
18 #include <media/v4l2-async.h>
19 #include <media/v4l2-device.h>
20 #include <media/v4l2-event.h>
21 #include <media/v4l2-ctrls.h>
22 #include <media/v4l2-fwnode.h>
23 #include <media/v4l2-mc.h>
24 #include <media/v4l2-rect.h>
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/linux/drivers/media/platform/allegro-dvt/
H A Dallegro-core.c1 // SPDX-License-Identifier: GPL-2.0
17 #include <linux/mfd/syscon/xlnx-vcu.h>
26 #include <media/v4l2-ctrls.h>
27 #include <media/v4l2-device.h>
28 #include <media/v4l2-event.h>
29 #include <media/v4l2-ioctl.h>
30 #include <media/v4l2-mem2mem.h>
31 #include <media/videobuf2-dma-contig.h>
32 #include <media/videobuf2-v4l2.h>
34 #include "allegro-mail.h"
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/linux/drivers/media/platform/samsung/exynos4-is/
H A Dfimc-core.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2010-2012 Samsung Electronics Co., Ltd.
24 #include <media/v4l2-ioctl.h>
25 #include <media/videobuf2-v4l2.h>
26 #include <media/videobuf2-dma-contig.h>
28 #include "fimc-core.h"
29 #include "fimc-reg.h"
30 #include "media-dev.h"
197 if (!ctx->scaler.enabled) in fimc_check_scaler_ratio()
198 return (sw == dw && sh == dh) ? 0 : -EINVAL; in fimc_check_scaler_ratio()
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H A Dfimc-core.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd.
21 #include <media/media-entity.h>
22 #include <media/videobuf2-v4l2.h>
23 #include <media/v4l2-ctrls.h>
24 #include <media/v4l2-device.h>
25 #include <media/v4l2-mem2mem.h>
26 #include <media/v4l2-mediabus.h>
27 #include <media/drv-intf/exynos-fimc.h>
35 #define FIMC_DRIVER_NAME "exynos4-fimc"
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/linux/drivers/staging/media/imx/
H A Dimx-ic-prpencvf.c1 // SPDX-License-Identifier: GPL-2.0+
9 * Copyright (c) 2012-2017 Mentor Graphics Inc.
18 #include <media/v4l2-ctrls.h>
19 #include <media/v4l2-device.h>
20 #include <media/v4l2-ioctl.h>
21 #include <media/v4l2-mc.h>
22 #include <media/v4l2-subdev.h>
24 #include "imx-media.h"
25 #include "imx-ic.h"
71 int ipu_buf_num; /* ipu double buffer index: 0-1 */
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H A Dimx-media-vdic.c1 // SPDX-License-Identifier: GPL-2.0+
7 #include <media/v4l2-ctrls.h>
8 #include <media/v4l2-device.h>
9 #include <media/v4l2-ioctl.h>
10 #include <media/v4l2-mc.h>
11 #include <media/v4l2-subdev.h>
13 #include "imx-media.h"
18 * CSI -> VDIC
20 * In this pipeline, the CSI sends a single interlaced field F(n-1)
29 * MEM -> CH8,9,10 -> VDIC
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/linux/drivers/staging/media/tegra-video/
H A Dtegra210.c1 // SPDX-License-Identifier: GPL-2.0-only
150 writel_relaxed(val, chan->vi->iomem + addr); in tegra_vi_write()
155 return readl_relaxed(chan->vi->iomem + addr); in tegra_vi_read()
164 vi_csi_base = chan->vi->iomem + TEGRA210_VI_CSI_BASE(portno); in vi_csi_write()
174 vi_csi_base = chan->vi->iomem + TEGRA210_VI_CSI_BASE(portno); in vi_csi_read()
185 struct tegra_vi *vi = chan->vi; in tegra210_channel_host1x_syncpt_init()
191 for (i = 0; i < chan->numgangports; i++) { in tegra210_channel_host1x_syncpt_init()
192 fs_sp = host1x_syncpt_request(&vi->client, flags); in tegra210_channel_host1x_syncpt_init()
194 dev_err(vi->dev, "failed to request frame start syncpoint\n"); in tegra210_channel_host1x_syncpt_init()
195 ret = -ENOMEM; in tegra210_channel_host1x_syncpt_init()
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/linux/drivers/clk/bcm/
H A Dclk-bcm2835.c1 // SPDX-License-Identifier: GPL-2.0+
23 * directly from the PLLH PIX channel without using a CM_*CTL clock
27 #include <linux/clk-provider.h>
38 #include <dt-bindings/clock/bcm2835.h>
45 # define CM_DIV_FRAC_MASK GENMASK(CM_DIV_FRAC_BITS - 1, 0)
253 # define A2W_PLL_FRAC_MASK ((1 << A2W_PLL_FRAC_BITS) - 1)
337 writel(CM_PASSWORD | val, cprman->regs + reg); in cprman_write()
342 return readl(cprman->regs + reg); in cprman_read()
355 spin_lock(&cprman->regs_lock); in bcm2835_measure_tcnt_mux()
372 dev_err(cprman->dev, "timeout waiting for OSCCOUNT\n"); in bcm2835_measure_tcnt_mux()
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/linux/drivers/video/fbdev/
H A Dpxafb.c5 * Copyright (C) 2004 Jean-Frederic Clere.
21 * linux-arm-kernel@lists.arm.linux.org.uk
31 * Copyright (C) 2006-2008 Marvell International Ltd.
50 #include <linux/dma-mapping.h>
67 #include <linux/platform_data/video-pxafb.h>
75 #include "pxa3xx-regs.h"
98 return __raw_readl(fbi->mmio_base + off); in lcd_readl()
104 __raw_writel(val, fbi->mmio_base + off); in lcd_writel()
122 if (fbi->task_state == C_ENABLE && state == C_REENABLE) in pxafb_schedule_work()
123 state = (u_int) -1; in pxafb_schedule_work()
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