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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-03 17:16:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-03 17:16:59 -0700
commitef1c4a6fa91bbbe9b09f770d28eba31a9edf770c (patch)
tree52f5d175031c553160d14890e876ffc5432d2467 /include/media
parent147a89bc71e7db40f011454a40add7ff2d10f8d8 (diff)
parentf8a695c4b43d02c89b8bba9ba6058fd5db1bc71d (diff)
Merge tag 'media/v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - new CEC pin injection code for testing purposes - DVB frontend cxd2099 promoted from staging - new platform driver for Sony cxd2880 DVB devices - new sensor drivers: mt9t112, ov2685, ov5695, ov772x, tda1997x, tw9910.c - removal of unused cx18 and ivtv alsa mixers - the reneseas-ceu driver doesn't depend on soc_camera anymore and moved from staging - removed the mantis_vp3028 driver, unused since 2009 - s5p-mfc: add support for version 10 of the MSP - added a decoder for imon protocol - atomisp: lots of cleanups - imx074 and mt9t031: don't depend on soc_camera anymore, being promoted from staging - added helper functions to better support DVB I2C binding - lots of driver improvements and cleanups * tag 'media/v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (438 commits) media: v4l2-ioctl: rename a temp var that stores _IOC_SIZE(cmd) media: fimc-capture: get rid of two warnings media: dvb-usb-v2: fix a missing dependency of I2C_MUX media: uvc: to the right check at uvc_ioctl_enum_framesizes() media: cec-core: fix a bug at cec_error_inj_write() media: tda9840: cleanup a warning media: tm6000: avoid casting just to print pointer address media: em28xx-input: improve error handling code media: zr364xx: avoid casting just to print pointer address media: vivid-radio-rx: add a cast to avoid a warning media: saa7134-alsa: don't use casts to print a buffer address media: solo6x10: get rid of an address space warning media: zoran: don't cast pointers to print them media: ir-kbd-i2c: change the if logic to avoid a warning media: ir-kbd-i2c: improve error handling code media: saa7134-input: improve error handling media: s2255drv: fix a casting warning media: ivtvfb: Cleanup some warnings media: videobuf-dma-sg: Fix a weird cast soc_camera: fix a weird cast on printk ...
Diffstat (limited to 'include/media')
-rw-r--r--include/media/cec-notifier.h14
-rw-r--r--include/media/cec-pin.h14
-rw-r--r--include/media/cec.h26
-rw-r--r--include/media/drv-intf/renesas-ceu.h26
-rw-r--r--include/media/dvbdev.h65
-rw-r--r--include/media/i2c/ad9389b.h14
-rw-r--r--include/media/i2c/adv7511.h14
-rw-r--r--include/media/i2c/adv7604.h15
-rw-r--r--include/media/i2c/adv7842.h15
-rw-r--r--include/media/i2c/mt9t112.h17
-rw-r--r--include/media/i2c/ov772x.h6
-rw-r--r--include/media/i2c/tc358743.h18
-rw-r--r--include/media/i2c/tda1997x.h42
-rw-r--r--include/media/i2c/ths7303.h10
-rw-r--r--include/media/i2c/tw9910.h9
-rw-r--r--include/media/i2c/uda1342.h15
-rw-r--r--include/media/rc-core.h11
-rw-r--r--include/media/rc-map.h9
-rw-r--r--include/media/tpg/v4l2-tpg.h14
-rw-r--r--include/media/v4l2-common.h60
-rw-r--r--include/media/v4l2-ctrls.h4
-rw-r--r--include/media/v4l2-dev.h6
-rw-r--r--include/media/v4l2-dv-timings.h36
-rw-r--r--include/media/v4l2-fh.h1
-rw-r--r--include/media/v4l2-rect.h14
-rw-r--r--include/media/v4l2-subdev.h121
-rw-r--r--include/media/videobuf2-core.h33
27 files changed, 378 insertions, 251 deletions
diff --git a/include/media/cec-notifier.h b/include/media/cec-notifier.h
index 57ec319a7f44..cf0add70b0e7 100644
--- a/include/media/cec-notifier.h
+++ b/include/media/cec-notifier.h
@@ -1,21 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* cec-notifier.h - notify CEC drivers of physical address changes
*
* Copyright 2016 Russell King <rmk+kernel@arm.linux.org.uk>
* Copyright 2016-2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
#ifndef LINUX_CEC_NOTIFIER_H
diff --git a/include/media/cec-pin.h b/include/media/cec-pin.h
index 83b3e17e0a07..ed16c6dde0ba 100644
--- a/include/media/cec-pin.h
+++ b/include/media/cec-pin.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* cec-pin.h - low-level CEC pin control
*
* Copyright 2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
#ifndef LINUX_CEC_PIN_H
diff --git a/include/media/cec.h b/include/media/cec.h
index 7cdf71d7125a..580ab1042898 100644
--- a/include/media/cec.h
+++ b/include/media/cec.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* cec - HDMI Consumer Electronics Control support header
*
* Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
#ifndef _MEDIA_CEC_H
@@ -104,7 +92,7 @@ struct cec_fh {
wait_queue_head_t wait;
struct mutex lock;
struct list_head events[CEC_NUM_EVENTS]; /* queued events */
- u8 queued_events[CEC_NUM_EVENTS];
+ u16 queued_events[CEC_NUM_EVENTS];
unsigned int total_queued_events;
struct cec_event_entry core_events[CEC_NUM_CORE_EVENTS];
struct list_head msgs; /* queued messages */
@@ -129,6 +117,10 @@ struct cec_adap_ops {
void (*adap_status)(struct cec_adapter *adap, struct seq_file *file);
void (*adap_free)(struct cec_adapter *adap);
+ /* Error injection callbacks */
+ int (*error_inj_show)(struct cec_adapter *adap, struct seq_file *sf);
+ bool (*error_inj_parse_line)(struct cec_adapter *adap, char *line);
+
/* High-level CEC message callback */
int (*received)(struct cec_adapter *adap, struct cec_msg *msg);
};
@@ -201,6 +193,7 @@ struct cec_adapter {
struct dentry *cec_dir;
struct dentry *status_file;
+ struct dentry *error_inj_file;
u16 phys_addrs[15];
u32 sequence;
@@ -298,11 +291,12 @@ static inline void cec_received_msg(struct cec_adapter *adap,
*
* @adap: pointer to the cec adapter
* @is_high: when true the CEC pin is high, otherwise it is low
+ * @dropped_events: when true some events were dropped
* @ts: the timestamp for this event
*
*/
-void cec_queue_pin_cec_event(struct cec_adapter *adap,
- bool is_high, ktime_t ts);
+void cec_queue_pin_cec_event(struct cec_adapter *adap, bool is_high,
+ bool dropped_events, ktime_t ts);
/**
* cec_queue_pin_hpd_event() - queue a pin event with a given timestamp.
diff --git a/include/media/drv-intf/renesas-ceu.h b/include/media/drv-intf/renesas-ceu.h
new file mode 100644
index 000000000000..52841d1b4763
--- /dev/null
+++ b/include/media/drv-intf/renesas-ceu.h
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * renesas-ceu.h - Renesas CEU driver interface
+ *
+ * Copyright 2017-2018 Jacopo Mondi <jacopo+renesas@jmondi.org>
+ */
+
+#ifndef __MEDIA_DRV_INTF_RENESAS_CEU_H__
+#define __MEDIA_DRV_INTF_RENESAS_CEU_H__
+
+#define CEU_MAX_SUBDEVS 2
+
+struct ceu_async_subdev {
+ unsigned long flags;
+ unsigned char bus_width;
+ unsigned char bus_shift;
+ unsigned int i2c_adapter_id;
+ unsigned int i2c_address;
+};
+
+struct ceu_platform_data {
+ unsigned int num_subdevs;
+ struct ceu_async_subdev subdevs[CEU_MAX_SUBDEVS];
+};
+
+#endif /* ___MEDIA_DRV_INTF_RENESAS_CEU_H__ */
diff --git a/include/media/dvbdev.h b/include/media/dvbdev.h
index 554db879527f..ee91516ad074 100644
--- a/include/media/dvbdev.h
+++ b/include/media/dvbdev.h
@@ -358,7 +358,61 @@ long dvb_generic_ioctl(struct file *file,
int dvb_usercopy(struct file *file, unsigned int cmd, unsigned long arg,
int (*func)(struct file *file, unsigned int cmd, void *arg));
-/** generic DVB attach function. */
+#if IS_ENABLED(CONFIG_I2C)
+
+struct i2c_adapter;
+struct i2c_client;
+/**
+ * dvb_module_probe - helper routine to probe an I2C module
+ *
+ * @module_name:
+ * Name of the I2C module to be probed
+ * @name:
+ * Optional name for the I2C module. Used for debug purposes.
+ * If %NULL, defaults to @module_name.
+ * @adap:
+ * pointer to &struct i2c_adapter that describes the I2C adapter where
+ * the module will be bound.
+ * @addr:
+ * I2C address of the adapter, in 7-bit notation.
+ * @platform_data:
+ * Platform data to be passed to the I2C module probed.
+ *
+ * This function binds an I2C device into the DVB core. Should be used by
+ * all drivers that use I2C bus to control the hardware. A module bound
+ * with dvb_module_probe() should use dvb_module_release() to unbind.
+ *
+ * Return:
+ * On success, return an &struct i2c_client, pointing the the bound
+ * I2C device. %NULL otherwise.
+ *
+ * .. note::
+ *
+ * In the past, DVB modules (mainly, frontends) were bound via dvb_attach()
+ * macro, with does an ugly hack, using I2C low level functions. Such
+ * usage is deprecated and will be removed soon. Instead, use this routine.
+ */
+struct i2c_client *dvb_module_probe(const char *module_name,
+ const char *name,
+ struct i2c_adapter *adap,
+ unsigned char addr,
+ void *platform_data);
+
+/**
+ * dvb_module_release - releases an I2C device allocated with
+ * dvb_module_probe().
+ *
+ * @client: pointer to &struct i2c_client with the I2C client to be released.
+ * can be %NULL.
+ *
+ * This function should be used to free all resources reserved by
+ * dvb_module_probe() and unbinding the I2C hardware.
+ */
+void dvb_module_release(struct i2c_client *client);
+
+#endif /* CONFIG_I2C */
+
+/* Legacy generic DVB attach function. */
#ifdef CONFIG_MEDIA_ATTACH
/**
@@ -371,6 +425,13 @@ int dvb_usercopy(struct file *file, unsigned int cmd, unsigned long arg,
* the @FUNCTION function there, with @ARGS.
* As it increments symbol usage cont, at unregister, dvb_detach()
* should be called.
+ *
+ * .. note::
+ *
+ * In the past, DVB modules (mainly, frontends) were bound via dvb_attach()
+ * macro, with does an ugly hack, using I2C low level functions. Such
+ * usage is deprecated and will be removed soon. Instead, you should use
+ * dvb_module_probe().
*/
#define dvb_attach(FUNCTION, ARGS...) ({ \
void *__r = NULL; \
@@ -402,6 +463,6 @@ int dvb_usercopy(struct file *file, unsigned int cmd, unsigned long arg,
#define dvb_detach(FUNC) {}
-#endif
+#endif /* CONFIG_MEDIA_ATTACH */
#endif /* #ifndef _DVBDEV_H_ */
diff --git a/include/media/i2c/ad9389b.h b/include/media/i2c/ad9389b.h
index 5ba9af869b8b..30f9ea9a1273 100644
--- a/include/media/i2c/ad9389b.h
+++ b/include/media/i2c/ad9389b.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Analog Devices AD9389B/AD9889B video encoder driver header
*
* Copyright 2012 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
#ifndef AD9389B_H
diff --git a/include/media/i2c/adv7511.h b/include/media/i2c/adv7511.h
index 61c3d711cc69..1874c05f486f 100644
--- a/include/media/i2c/adv7511.h
+++ b/include/media/i2c/adv7511.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Analog Devices ADV7511 HDMI Transmitter Device Driver
*
* Copyright 2013 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
#ifndef ADV7511_H
diff --git a/include/media/i2c/adv7604.h b/include/media/i2c/adv7604.h
index 2e6857dee0cc..77a9799128b6 100644
--- a/include/media/i2c/adv7604.h
+++ b/include/media/i2c/adv7604.h
@@ -1,21 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* adv7604 - Analog Devices ADV7604 video decoder driver
*
* Copyright 2012 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
*/
#ifndef _ADV7604_
diff --git a/include/media/i2c/adv7842.h b/include/media/i2c/adv7842.h
index 7f53ada9bdf1..05e01f0dd3c2 100644
--- a/include/media/i2c/adv7842.h
+++ b/include/media/i2c/adv7842.h
@@ -1,21 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* adv7842 - Analog Devices ADV7842 video decoder driver
*
* Copyright 2013 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
*/
#ifndef _ADV7842_
diff --git a/include/media/i2c/mt9t112.h b/include/media/i2c/mt9t112.h
index a43c74ab05ec..cc80d5cc2104 100644
--- a/include/media/i2c/mt9t112.h
+++ b/include/media/i2c/mt9t112.h
@@ -1,28 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* mt9t112 Camera
*
* Copyright (C) 2009 Renesas Solutions Corp.
* Kuninori Morimoto <morimoto.kuninori@renesas.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __MT9T112_H__
#define __MT9T112_H__
-#define MT9T112_FLAG_PCLK_RISING_EDGE (1 << 0)
-#define MT9T112_FLAG_DATAWIDTH_8 (1 << 1) /* default width is 10 */
-
struct mt9t112_pll_divider {
u8 m, n;
u8 p1, p2, p3, p4, p5, p6, p7;
};
-/*
- * mt9t112 camera info
+/**
+ * mt9t112_platform_data - mt9t112 driver interface
+ * @flags: Sensor media bus configuration.
+ * @divider: Sensor PLL configuration
*/
-struct mt9t112_camera_info {
+struct mt9t112_platform_data {
+#define MT9T112_FLAG_PCLK_RISING_EDGE BIT(0)
u32 flags;
struct mt9t112_pll_divider divider;
};
diff --git a/include/media/i2c/ov772x.h b/include/media/i2c/ov772x.h
index 00dbb7c4feae..27d087baffc5 100644
--- a/include/media/i2c/ov772x.h
+++ b/include/media/i2c/ov772x.h
@@ -48,8 +48,10 @@ struct ov772x_edge_ctrl {
.threshold = (t & OV772X_EDGE_THRESHOLD_MASK), \
}
-/*
- * ov772x camera info
+/**
+ * ov772x_camera_info - ov772x driver interface structure
+ * @flags: Sensor configuration flags
+ * @edgectrl: Sensor edge control
*/
struct ov772x_camera_info {
unsigned long flags;
diff --git a/include/media/i2c/tc358743.h b/include/media/i2c/tc358743.h
index 4513f2f9cfbc..b343650c2948 100644
--- a/include/media/i2c/tc358743.h
+++ b/include/media/i2c/tc358743.h
@@ -1,22 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tc358743 - Toshiba HDMI to CSI-2 bridge
*
- * Copyright 2015 Cisco Systems, Inc. and/or its affiliates. All rights
- * reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
+ * Copyright 2015 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*/
/*
diff --git a/include/media/i2c/tda1997x.h b/include/media/i2c/tda1997x.h
new file mode 100644
index 000000000000..c6c2a8ae413d
--- /dev/null
+++ b/include/media/i2c/tda1997x.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * tda1997x - NXP HDMI receiver
+ *
+ * Copyright 2017 Tim Harvey <tharvey@gateworks.com>
+ *
+ */
+
+#ifndef _TDA1997X_
+#define _TDA1997X_
+
+/* Platform Data */
+struct tda1997x_platform_data {
+ enum v4l2_mbus_type vidout_bus_type;
+ u32 vidout_bus_width;
+ u8 vidout_port_cfg[9];
+ /* pin polarity (1=invert) */
+ bool vidout_inv_de;
+ bool vidout_inv_hs;
+ bool vidout_inv_vs;
+ bool vidout_inv_pclk;
+ /* clock delays (0=-8, 1=-7 ... 15=+7 pixels) */
+ u8 vidout_delay_hs;
+ u8 vidout_delay_vs;
+ u8 vidout_delay_de;
+ u8 vidout_delay_pclk;
+ /* sync selections (controls how sync pins are derived) */
+ u8 vidout_sel_hs;
+ u8 vidout_sel_vs;
+ u8 vidout_sel_de;
+
+ /* Audio Port Output */
+ int audout_format;
+ u32 audout_mclk_fs; /* clock multiplier */
+ u32 audout_width; /* 13 or 32 bit */
+ u32 audout_layout; /* layout0=AP0 layout1=AP0,AP1,AP2,AP3 */
+ bool audout_layoutauto; /* audio layout dictated by pkt header */
+ bool audout_invert_clk; /* data valid on rising edge of BCLK */
+ bool audio_auto_mute; /* enable hardware audio auto-mute */
+};
+
+#endif
diff --git a/include/media/i2c/ths7303.h b/include/media/i2c/ths7303.h
index 834e2f95b630..95492d12786d 100644
--- a/include/media/i2c/ths7303.h
+++ b/include/media/i2c/ths7303.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2013 Texas Instruments Inc
*
@@ -7,15 +8,6 @@
* Hans Verkuil <hans.verkuil@cisco.com>
* Lad, Prabhakar <prabhakar.lad@ti.com>
* Martin Bugge <marbugge@cisco.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#ifndef THS7353_H
diff --git a/include/media/i2c/tw9910.h b/include/media/i2c/tw9910.h
index 90bcf1fa5421..bec8f7bce745 100644
--- a/include/media/i2c/tw9910.h
+++ b/include/media/i2c/tw9910.h
@@ -18,6 +18,9 @@
#include <media/soc_camera.h>
+/**
+ * tw9910_mpout_pin - MPOUT (multi-purpose output) pin functions
+ */
enum tw9910_mpout_pin {
TW9910_MPO_VLOSS,
TW9910_MPO_HLOCK,
@@ -29,6 +32,12 @@ enum tw9910_mpout_pin {
TW9910_MPO_RTCO,
};
+/**
+ * tw9910_video_info - tw9910 driver interface structure
+ * @buswidth: Parallel data bus width (8 or 16).
+ * @mpout: Selected function of MPOUT (multi-purpose output) pin.
+ * See &enum tw9910_mpout_pin
+ */
struct tw9910_video_info {
unsigned long buswidth;
enum tw9910_mpout_pin mpout;
diff --git a/include/media/i2c/uda1342.h b/include/media/i2c/uda1342.h
index cd156403a368..cb412d4c1088 100644
--- a/include/media/i2c/uda1342.h
+++ b/include/media/i2c/uda1342.h
@@ -1,21 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* uda1342.h - definition for uda1342 inputs
*
* Copyright 2013 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
*/
#ifndef _UDA1342_H_
diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index aed4272d47f5..6742fd86ff65 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -23,13 +23,6 @@
#include <linux/timer.h>
#include <media/rc-map.h>
-extern int rc_core_debug;
-#define IR_dprintk(level, fmt, ...) \
-do { \
- if (rc_core_debug >= level) \
- printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
-} while (0)
-
/**
* enum rc_driver_type - type of the RC driver.
*
@@ -341,7 +334,9 @@ void ir_raw_event_handle(struct rc_dev *dev);
int ir_raw_event_store(struct rc_dev *dev, struct ir_raw_event *ev);
int ir_raw_event_store_edge(struct rc_dev *dev, bool pulse);
int ir_raw_event_store_with_filter(struct rc_dev *dev,
- struct ir_raw_event *ev);
+ struct ir_raw_event *ev);
+int ir_raw_event_store_with_timeout(struct rc_dev *dev,
+ struct ir_raw_event *ev);
void ir_raw_event_set_idle(struct rc_dev *dev, bool idle);
int ir_raw_encode_scancode(enum rc_proto protocol, u32 scancode,
struct ir_raw_event *events, unsigned int max);
diff --git a/include/media/rc-map.h b/include/media/rc-map.h
index 7046734b3895..bfa3017cecba 100644
--- a/include/media/rc-map.h
+++ b/include/media/rc-map.h
@@ -36,6 +36,7 @@
#define RC_PROTO_BIT_SHARP BIT_ULL(RC_PROTO_SHARP)
#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_ALL \
(RC_PROTO_BIT_UNKNOWN | RC_PROTO_BIT_OTHER | \
@@ -49,7 +50,8 @@
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_CEC)
+ RC_PROTO_BIT_XMP | RC_PROTO_BIT_CEC | \
+ RC_PROTO_BIT_IMON)
/* All rc protocols for which we have decoders */
#define RC_PROTO_BIT_ALL_IR_DECODER \
(RC_PROTO_BIT_RC5 | RC_PROTO_BIT_RC5X_20 | \
@@ -62,7 +64,7 @@
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_XMP | RC_PROTO_BIT_IMON)
#define RC_PROTO_BIT_ALL_IR_ENCODER \
(RC_PROTO_BIT_RC5 | RC_PROTO_BIT_RC5X_20 | \
@@ -75,7 +77,7 @@
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_SHARP | RC_PROTO_BIT_IMON)
#define RC_SCANCODE_UNKNOWN(x) (x)
#define RC_SCANCODE_OTHER(x) (x)
@@ -211,6 +213,7 @@ struct rc_map *rc_map_get(const char *name);
#define RC_MAP_HISI_TV_DEMO "rc-hisi-tv-demo"
#define RC_MAP_IMON_MCE "rc-imon-mce"
#define RC_MAP_IMON_PAD "rc-imon-pad"
+#define RC_MAP_IMON_RSC "rc-imon-rsc"
#define RC_MAP_IODATA_BCTV7E "rc-iodata-bctv7e"
#define RC_MAP_IT913X_V1 "rc-it913x-v1"
#define RC_MAP_IT913X_V2 "rc-it913x-v2"
diff --git a/include/media/tpg/v4l2-tpg.h b/include/media/tpg/v4l2-tpg.h
index 823fadede7bf..eb191e85d363 100644
--- a/include/media/tpg/v4l2-tpg.h
+++ b/include/media/tpg/v4l2-tpg.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* v4l2-tpg.h - Test Pattern Generator
*
* Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
#ifndef _V4L2_TPG_H_
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index e0d95a7c5d48..54b689247937 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -316,21 +316,37 @@ void v4l_bound_align_image(unsigned int *width, unsigned int wmin,
unsigned int salign);
/**
- * v4l2_find_nearest_format - find the nearest format size among a discrete
- * set of resolutions.
+ * v4l2_find_nearest_size - Find the nearest size among a discrete
+ * set of resolutions contained in an array of a driver specific struct.
*
- * @sizes: array of &struct v4l2_frmsize_discrete image sizes.
- * @num_sizes: length of @sizes array.
+ * @array: a driver specific array of image sizes
+ * @width_field: the name of the width field in the driver specific struct
+ * @height_field: the name of the height field in the driver specific struct
* @width: desired width.
* @height: desired height.
*
* Finds the closest resolution to minimize the width and height differences
- * between what requested and the supported resolutions.
+ * between what requested and the supported resolutions. The size of the width
+ * and height fields in the driver specific must equal to that of u32, i.e. four
+ * bytes.
+ *
+ * Returns the best match or NULL if the length of the array is zero.
*/
-const struct v4l2_frmsize_discrete *
-v4l2_find_nearest_format(const struct v4l2_frmsize_discrete *sizes,
- const size_t num_sizes,
- s32 width, s32 height);
+#define v4l2_find_nearest_size(array, width_field, height_field, \
+ width, height) \
+ ({ \
+ BUILD_BUG_ON(sizeof((array)->width_field) != sizeof(u32) || \
+ sizeof((array)->height_field) != sizeof(u32)); \
+ (typeof(&(*(array))))__v4l2_find_nearest_size( \
+ (array), ARRAY_SIZE(array), sizeof(*(array)), \
+ offsetof(typeof(*(array)), width_field), \
+ offsetof(typeof(*(array)), height_field), \
+ width, height); \
+ })
+const void *
+__v4l2_find_nearest_size(const void *array, size_t array_size,
+ size_t entry_size, size_t width_offset,
+ size_t height_offset, s32 width, s32 height);
/**
* v4l2_get_timestamp - helper routine to get a timestamp to be used when
@@ -341,4 +357,30 @@ v4l2_find_nearest_format(const struct v4l2_frmsize_discrete *sizes,
*/
void v4l2_get_timestamp(struct timeval *tv);
+/**
+ * v4l2_g_parm_cap - helper routine for vidioc_g_parm to fill this in by
+ * calling the g_frame_interval op of the given subdev. It only works
+ * for V4L2_BUF_TYPE_VIDEO_CAPTURE(_MPLANE), hence the _cap in the
+ * function name.
+ *
+ * @vdev: the struct video_device pointer. Used to determine the device caps.
+ * @sd: the sub-device pointer.
+ * @a: the VIDIOC_G_PARM argument.
+ */
+int v4l2_g_parm_cap(struct video_device *vdev,
+ struct v4l2_subdev *sd, struct v4l2_streamparm *a);
+
+/**
+ * v4l2_s_parm_cap - helper routine for vidioc_s_parm to fill this in by
+ * calling the s_frame_interval op of the given subdev. It only works
+ * for V4L2_BUF_TYPE_VIDEO_CAPTURE(_MPLANE), hence the _cap in the
+ * function name.
+ *
+ * @vdev: the struct video_device pointer. Used to determine the device caps.
+ * @sd: the sub-device pointer.
+ * @a: the VIDIOC_S_PARM argument.
+ */
+int v4l2_s_parm_cap(struct video_device *vdev,
+ struct v4l2_subdev *sd, struct v4l2_streamparm *a);
+
#endif /* V4L2_COMMON_H_ */
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 05ebb9ef9e73..5b445b5654f7 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -761,8 +761,8 @@ void v4l2_ctrl_grab(struct v4l2_ctrl *ctrl, bool grabbed);
* An error is returned if one of the range arguments is invalid for this
* control type.
*
- * This function assumes that the control handler is not locked and will
- * take the lock itself.
+ * The caller is responsible for acquiring the control handler mutex on behalf
+ * of __v4l2_ctrl_modify_range().
*/
int __v4l2_ctrl_modify_range(struct v4l2_ctrl *ctrl,
s64 min, s64 max, u64 step, s64 def);
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 53f32022fabe..27634e8d2585 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -298,10 +298,10 @@ struct video_device
* media_entity_to_video_device - Returns a &struct video_device from
* the &struct media_entity embedded on it.
*
- * @entity: pointer to &struct media_entity
+ * @__entity: pointer to &struct media_entity
*/
-#define media_entity_to_video_device(entity) \
- container_of(entity, struct video_device, entity)
+#define media_entity_to_video_device(__entity) \
+ container_of(__entity, struct video_device, entity)
/**
* to_video_device - Returns a &struct video_device from the
diff --git a/include/media/v4l2-dv-timings.h b/include/media/v4l2-dv-timings.h
index ebf00e07a515..17cb27df1b81 100644
--- a/include/media/v4l2-dv-timings.h
+++ b/include/media/v4l2-dv-timings.h
@@ -1,21 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* v4l2-dv-timings - Internal header with dv-timings helper functions
*
* Copyright 2013 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
*/
#ifndef __V4L2_DV_TIMINGS_H
@@ -225,5 +212,26 @@ static inline bool can_reduce_fps(struct v4l2_bt_timings *bt)
return false;
}
+/**
+ * struct v4l2_hdmi_rx_colorimetry - describes the HDMI colorimetry information
+ * @colorspace: enum v4l2_colorspace, the colorspace
+ * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
+ * @quantization: enum v4l2_quantization, colorspace quantization
+ * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
+ */
+struct v4l2_hdmi_colorimetry {
+ enum v4l2_colorspace colorspace;
+ enum v4l2_ycbcr_encoding ycbcr_enc;
+ enum v4l2_quantization quantization;
+ enum v4l2_xfer_func xfer_func;
+};
+
+struct hdmi_avi_infoframe;
+struct hdmi_vendor_infoframe;
+
+struct v4l2_hdmi_colorimetry
+v4l2_hdmi_rx_colorimetry(const struct hdmi_avi_infoframe *avi,
+ const struct hdmi_vendor_infoframe *hdmi,
+ unsigned int height);
#endif
diff --git a/include/media/v4l2-fh.h b/include/media/v4l2-fh.h
index 62633e7d2630..ea73fef8bdc0 100644
--- a/include/media/v4l2-fh.h
+++ b/include/media/v4l2-fh.h
@@ -22,6 +22,7 @@
#define V4L2_FH_H
#include <linux/fs.h>
+#include <linux/kconfig.h>
#include <linux/list.h>
#include <linux/videodev2.h>
diff --git a/include/media/v4l2-rect.h b/include/media/v4l2-rect.h
index d2125f0cc7cd..595c3ba05f23 100644
--- a/include/media/v4l2-rect.h
+++ b/include/media/v4l2-rect.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* v4l2-rect.h - v4l2_rect helper functions
*
* Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
#ifndef _V4L2_RECT_H_
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 980a86c08fce..9102d6ca566e 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -224,6 +224,9 @@ struct v4l2_subdev_core_ops {
* struct v4l2_subdev_tuner_ops - Callbacks used when v4l device was opened
* in radio mode.
*
+ * @standby: puts the tuner in standby mode. It will be woken up
+ * automatically the next time it is used.
+ *
* @s_radio: callback that switches the tuner to radio mode.
* drivers should explicitly call it when a tuner ops should
* operate on radio mode, before being able to handle it.
@@ -268,6 +271,7 @@ struct v4l2_subdev_core_ops {
* }
*/
struct v4l2_subdev_tuner_ops {
+ int (*standby)(struct v4l2_subdev *sd);
int (*s_radio)(struct v4l2_subdev *sd);
int (*s_frequency)(struct v4l2_subdev *sd, const struct v4l2_frequency *freq);
int (*g_frequency)(struct v4l2_subdev *sd, struct v4l2_frequency *freq);
@@ -393,10 +397,6 @@ struct v4l2_mbus_frame_desc {
*
* @g_pixelaspect: callback to return the pixelaspect ratio.
*
- * @g_parm: callback for VIDIOC_G_PARM() ioctl handler code.
- *
- * @s_parm: callback for VIDIOC_S_PARM() ioctl handler code.
- *
* @g_frame_interval: callback for VIDIOC_SUBDEV_G_FRAME_INTERVAL()
* ioctl handler code.
*
@@ -434,8 +434,6 @@ struct v4l2_subdev_video_ops {
int (*g_input_status)(struct v4l2_subdev *sd, u32 *status);
int (*s_stream)(struct v4l2_subdev *sd, int enable);
int (*g_pixelaspect)(struct v4l2_subdev *sd, struct v4l2_fract *aspect);
- int (*g_parm)(struct v4l2_subdev *sd, struct v4l2_streamparm *param);
- int (*s_parm)(struct v4l2_subdev *sd, struct v4l2_streamparm *param);
int (*g_frame_interval)(struct v4l2_subdev *sd,
struct v4l2_subdev_frame_interval *interval);
int (*s_frame_interval)(struct v4l2_subdev *sd,
@@ -867,6 +865,13 @@ struct v4l2_subdev {
struct v4l2_subdev_platform_data *pdata;
};
+
+/**
+ * media_entity_to_v4l2_subdev - Returns a &struct v4l2_subdev from
+ * the &struct media_entity embedded in it.
+ *
+ * @ent: pointer to &struct media_entity.
+ */
#define media_entity_to_v4l2_subdev(ent) \
({ \
typeof(ent) __me_sd_ent = (ent); \
@@ -876,14 +881,20 @@ struct v4l2_subdev {
NULL; \
})
+/**
+ * vdev_to_v4l2_subdev - Returns a &struct v4l2_subdev from
+ * the &struct video_device embedded on it.
+ *
+ * @vdev: pointer to &struct video_device
+ */
#define vdev_to_v4l2_subdev(vdev) \
((struct v4l2_subdev *)video_get_drvdata(vdev))
/**
* struct v4l2_subdev_fh - Used for storing subdev information per file handle
*
- * @vfh: pointer to struct v4l2_fh
- * @pad: pointer to v4l2_subdev_pad_config
+ * @vfh: pointer to &struct v4l2_fh
+ * @pad: pointer to &struct v4l2_subdev_pad_config
*/
struct v4l2_subdev_fh {
struct v4l2_fh vfh;
@@ -892,23 +903,70 @@ struct v4l2_subdev_fh {
#endif
};
+/**
+ * to_v4l2_subdev_fh - Returns a &struct v4l2_subdev_fh from
+ * the &struct v4l2_fh embedded on it.
+ *
+ * @fh: pointer to &struct v4l2_fh
+ */
#define to_v4l2_subdev_fh(fh) \
container_of(fh, struct v4l2_subdev_fh, vfh)
#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
-#define __V4L2_SUBDEV_MK_GET_TRY(rtype, fun_name, field_name) \
- static inline struct rtype * \
- fun_name(struct v4l2_subdev *sd, \
- struct v4l2_subdev_pad_config *cfg, \
- unsigned int pad) \
- { \
- BUG_ON(pad >= sd->entity.num_pads); \
- return &cfg[pad].field_name; \
- }
-
-__V4L2_SUBDEV_MK_GET_TRY(v4l2_mbus_framefmt, v4l2_subdev_get_try_format, try_fmt)
-__V4L2_SUBDEV_MK_GET_TRY(v4l2_rect, v4l2_subdev_get_try_crop, try_crop)
-__V4L2_SUBDEV_MK_GET_TRY(v4l2_rect, v4l2_subdev_get_try_compose, try_compose)
+
+/**
+ * v4l2_subdev_get_try_format - ancillary routine to call
+ * &struct v4l2_subdev_pad_config->try_fmt
+ *
+ * @sd: pointer to &struct v4l2_subdev
+ * @cfg: pointer to &struct v4l2_subdev_pad_config array.
+ * @pad: index of the pad in the @cfg array.
+ */
+static inline struct v4l2_mbus_framefmt
+*v4l2_subdev_get_try_format(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ unsigned int pad)
+{
+ if (WARN_ON(pad >= sd->entity.num_pads))
+ pad = 0;
+ return &cfg[pad].try_fmt;
+}
+
+/**
+ * v4l2_subdev_get_try_crop - ancillary routine to call
+ * &struct v4l2_subdev_pad_config->try_crop
+ *
+ * @sd: pointer to &struct v4l2_subdev
+ * @cfg: pointer to &struct v4l2_subdev_pad_config array.
+ * @pad: index of the pad in the @cfg array.
+ */
+static inline struct v4l2_rect
+*v4l2_subdev_get_try_crop(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ unsigned int pad)
+{
+ if (WARN_ON(pad >= sd->entity.num_pads))
+ pad = 0;
+ return &cfg[pad].try_crop;
+}
+
+/**
+ * v4l2_subdev_get_try_crop - ancillary routine to call
+ * &struct v4l2_subdev_pad_config->try_compose
+ *
+ * @sd: pointer to &struct v4l2_subdev
+ * @cfg: pointer to &struct v4l2_subdev_pad_config array.
+ * @pad: index of the pad in the @cfg array.
+ */
+static inline struct v4l2_rect
+*v4l2_subdev_get_try_compose(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ unsigned int pad)
+{
+ if (WARN_ON(pad >= sd->entity.num_pads))
+ pad = 0;
+ return &cfg[pad].try_compose;
+}
#endif
extern const struct v4l2_file_operations v4l2_subdev_fops;
@@ -1016,9 +1074,16 @@ void v4l2_subdev_free_pad_config(struct v4l2_subdev_pad_config *cfg);
void v4l2_subdev_init(struct v4l2_subdev *sd,
const struct v4l2_subdev_ops *ops);
-/*
- * Call an ops of a v4l2_subdev, doing the right checks against
- * NULL pointers.
+/**
+ * v4l2_subdev_call - call an operation of a v4l2_subdev.
+ *
+ * @sd: pointer to the &struct v4l2_subdev
+ * @o: name of the element at &struct v4l2_subdev_ops that contains @f.
+ * Each element there groups a set of callbacks functions.
+ * @f: callback function that will be called if @cond matches.
+ * The callback functions are defined in groups, according to
+ * each element at &struct v4l2_subdev_ops.
+ * @args...: arguments for @f.
*
* Example: err = v4l2_subdev_call(sd, video, s_std, norm);
*/
@@ -1034,6 +1099,14 @@ void v4l2_subdev_init(struct v4l2_subdev *sd,
__result; \
})
+/**
+ * v4l2_subdev_has_op - Checks if a subdev defines a certain operation.
+ *
+ * @sd: pointer to the &struct v4l2_subdev
+ * @o: The group of callback functions in &struct v4l2_subdev_ops
+ * which @f is a part of.
+ * @f: callback function to be checked for its existence.
+ */
#define v4l2_subdev_has_op(sd, o, f) \
((sd)->ops->o && (sd)->ops->o->f)
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 5b6c541e4e1b..f6818f732f34 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -296,6 +296,9 @@ struct vb2_buffer {
/**
* struct vb2_ops - driver-specific callbacks.
*
+ * These operations are not called from interrupt context except where
+ * mentioned specifically.
+ *
* @queue_setup: called from VIDIOC_REQBUFS() and VIDIOC_CREATE_BUFS()
* handlers before memory allocation. It can be called
* twice: if the original number of requested buffers
@@ -358,12 +361,12 @@ struct vb2_buffer {
* driver can return an error if hardware fails, in that
* case all buffers that have been already given by
* the @buf_queue callback are to be returned by the driver
- * by calling vb2_buffer_done() with %VB2_BUF_STATE_QUEUED.
- * If you need a minimum number of buffers before you can
- * start streaming, then set
- * &vb2_queue->min_buffers_needed. If that is non-zero then
- * @start_streaming won't be called until at least that
- * many buffers have been queued up by userspace.
+ * by calling vb2_buffer_done() with %VB2_BUF_STATE_QUEUED
+ * or %VB2_BUF_STATE_REQUEUEING. If you need a minimum
+ * number of buffers before you can start streaming, then
+ * set &vb2_queue->min_buffers_needed. If that is non-zero
+ * then @start_streaming won't be called until at least
+ * that many buffers have been queued up by userspace.
* @stop_streaming: called when 'streaming' state must be disabled; driver
* should stop any DMA transactions or wait until they
* finish and give back all buffers it got from &buf_queue
@@ -601,10 +604,9 @@ void *vb2_plane_cookie(struct vb2_buffer *vb, unsigned int plane_no);
* @state: state of the buffer, as defined by &enum vb2_buffer_state.
* Either %VB2_BUF_STATE_DONE if the operation finished
* successfully, %VB2_BUF_STATE_ERROR if the operation finished
- * with an error or %VB2_BUF_STATE_QUEUED if the driver wants to
- * requeue buffers. If start_streaming fails then it should return
- * buffers with state %VB2_BUF_STATE_QUEUED to put them back into
- * the queue.
+ * with an error or any of %VB2_BUF_STATE_QUEUED or
+ * %VB2_BUF_STATE_REQUEUEING if the driver wants to
+ * requeue buffers (see below).
*
* This function should be called by the driver after a hardware operation on
* a buffer is finished and the buffer may be returned to userspace. The driver
@@ -613,9 +615,14 @@ void *vb2_plane_cookie(struct vb2_buffer *vb, unsigned int plane_no);
* to the driver by &vb2_ops->buf_queue can be passed to this function.
*
* While streaming a buffer can only be returned in state DONE or ERROR.
- * The start_streaming op can also return them in case the DMA engine cannot
- * be started for some reason. In that case the buffers should be returned with
- * state QUEUED.
+ * The &vb2_ops->start_streaming op can also return them in case the DMA engine
+ * cannot be started for some reason. In that case the buffers should be
+ * returned with state QUEUED or REQUEUEING to put them back into the queue.
+ *
+ * %VB2_BUF_STATE_REQUEUEING is like %VB2_BUF_STATE_QUEUED, but it also calls
+ * &vb2_ops->buf_queue to queue buffers back to the driver. Note that calling
+ * vb2_buffer_done(..., VB2_BUF_STATE_REQUEUEING) from interrupt context will
+ * result in &vb2_ops->buf_queue being called in interrupt context as well.
*/
void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state);