diff options
Diffstat (limited to 'drivers/media/dvb-core')
| -rw-r--r-- | drivers/media/dvb-core/Kconfig | 13 | ||||
| -rw-r--r-- | drivers/media/dvb-core/Makefile | 7 | ||||
| -rw-r--r-- | drivers/media/dvb-core/demux.h | 589 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dmxdev.c | 232 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dmxdev.h | 201 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb-usb-ids.h | 421 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_ca_en50221.c | 9 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_ca_en50221.h | 142 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_demux.c | 47 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_demux.h | 345 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_frontend.c | 183 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_frontend.h | 790 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_math.c | 2 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_math.h | 66 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_net.c | 74 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_net.h | 93 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_ringbuffer.c | 2 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_ringbuffer.h | 280 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_vb2.c | 430 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvbdev.c | 2 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvbdev.h | 407 |
21 files changed, 900 insertions, 3435 deletions
diff --git a/drivers/media/dvb-core/Kconfig b/drivers/media/dvb-core/Kconfig index eeef94a0c84e..f004aea352e0 100644 --- a/drivers/media/dvb-core/Kconfig +++ b/drivers/media/dvb-core/Kconfig @@ -40,3 +40,16 @@ config DVB_DEMUX_SECTION_LOSS_LOG be very verbose. If you are unsure about this, say N here. + +config DVB_ULE_DEBUG + bool "Enable DVB net ULE packet debug messages" + depends on DVB_CORE + default n + help + Enable extra log messages meant to detect problems while + handling DVB network ULE packet loss inside the Kernel. + + Should not be enabled on normal cases, as logs can + be very verbose. + + If you are unsure about this, say N here. diff --git a/drivers/media/dvb-core/Makefile b/drivers/media/dvb-core/Makefile index 47e2e391bfb8..3a105d82019a 100644 --- a/drivers/media/dvb-core/Makefile +++ b/drivers/media/dvb-core/Makefile @@ -4,9 +4,10 @@ # dvb-net-$(CONFIG_DVB_NET) := dvb_net.o +dvb-vb2-$(CONFIG_DVB_MMSP) := dvb_vb2.o -dvb-core-objs := dvbdev.o dmxdev.o dvb_demux.o \ - dvb_ca_en50221.o dvb_frontend.o \ - $(dvb-net-y) dvb_ringbuffer.o dvb_math.o +dvb-core-objs := dvbdev.o dmxdev.o dvb_demux.o \ + dvb_ca_en50221.o dvb_frontend.o \ + $(dvb-net-y) dvb_ringbuffer.o $(dvb-vb2-y) dvb_math.o obj-$(CONFIG_DVB_CORE) += dvb-core.o diff --git a/drivers/media/dvb-core/demux.h b/drivers/media/dvb-core/demux.h deleted file mode 100644 index c4df6cee48e6..000000000000 --- a/drivers/media/dvb-core/demux.h +++ /dev/null @@ -1,589 +0,0 @@ -/* - * demux.h - * - * The Kernel Digital TV Demux kABI defines a driver-internal interface for - * registering low-level, hardware specific driver to a hardware independent - * demux layer. - * - * Copyright (c) 2002 Convergence GmbH - * - * based on code: - * Copyright (c) 2000 Nokia Research Center - * Tampere, FINLAND - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * as published by the Free Software Foundation; either version 2.1 - * of the License, or (at your option) any later version. - * - * 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 __DEMUX_H -#define __DEMUX_H - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/list.h> -#include <linux/time.h> -#include <linux/dvb/dmx.h> - -/* - * Common definitions - */ - -/* - * DMX_MAX_FILTER_SIZE: Maximum length (in bytes) of a section/PES filter. - */ - -#ifndef DMX_MAX_FILTER_SIZE -#define DMX_MAX_FILTER_SIZE 18 -#endif - -/* - * DMX_MAX_SECFEED_SIZE: Maximum length (in bytes) of a private section feed - * filter. - */ - -#ifndef DMX_MAX_SECTION_SIZE -#define DMX_MAX_SECTION_SIZE 4096 -#endif -#ifndef DMX_MAX_SECFEED_SIZE -#define DMX_MAX_SECFEED_SIZE (DMX_MAX_SECTION_SIZE + 188) -#endif - -/* - * TS packet reception - */ - -/** - * enum ts_filter_type - filter type bitmap for dmx_ts_feed.set\(\) - * - * @TS_PACKET: Send TS packets (188 bytes) to callback (default). - * @TS_PAYLOAD_ONLY: In case TS_PACKET is set, only send the TS payload - * (<=184 bytes per packet) to callback - * @TS_DECODER: Send stream to built-in decoder (if present). - * @TS_DEMUX: In case TS_PACKET is set, send the TS to the demux - * device, not to the dvr device - */ -enum ts_filter_type { - TS_PACKET = 1, - TS_PAYLOAD_ONLY = 2, - TS_DECODER = 4, - TS_DEMUX = 8, -}; - -/** - * struct dmx_ts_feed - Structure that contains a TS feed filter - * - * @is_filtering: Set to non-zero when filtering in progress - * @parent: pointer to struct dmx_demux - * @priv: pointer to private data of the API client - * @set: sets the TS filter - * @start_filtering: starts TS filtering - * @stop_filtering: stops TS filtering - * - * A TS feed is typically mapped to a hardware PID filter on the demux chip. - * Using this API, the client can set the filtering properties to start/stop - * filtering TS packets on a particular TS feed. - */ -struct dmx_ts_feed { - int is_filtering; - struct dmx_demux *parent; - void *priv; - int (*set)(struct dmx_ts_feed *feed, - u16 pid, - int type, - enum dmx_ts_pes pes_type, - ktime_t timeout); - int (*start_filtering)(struct dmx_ts_feed *feed); - int (*stop_filtering)(struct dmx_ts_feed *feed); -}; - -/* - * Section reception - */ - -/** - * struct dmx_section_filter - Structure that describes a section filter - * - * @filter_value: Contains up to 16 bytes (128 bits) of the TS section header - * that will be matched by the section filter - * @filter_mask: Contains a 16 bytes (128 bits) filter mask with the bits - * specified by @filter_value that will be used on the filter - * match logic. - * @filter_mode: Contains a 16 bytes (128 bits) filter mode. - * @parent: Pointer to struct dmx_section_feed. - * @priv: Pointer to private data of the API client. - * - * - * The @filter_mask controls which bits of @filter_value are compared with - * the section headers/payload. On a binary value of 1 in filter_mask, the - * corresponding bits are compared. The filter only accepts sections that are - * equal to filter_value in all the tested bit positions. - */ -struct dmx_section_filter { - u8 filter_value[DMX_MAX_FILTER_SIZE]; - u8 filter_mask[DMX_MAX_FILTER_SIZE]; - u8 filter_mode[DMX_MAX_FILTER_SIZE]; - struct dmx_section_feed *parent; /* Back-pointer */ - void *priv; /* Pointer to private data of the API client */ -}; - -/** - * struct dmx_section_feed - Structure that contains a section feed filter - * - * @is_filtering: Set to non-zero when filtering in progress - * @parent: pointer to struct dmx_demux - * @priv: pointer to private data of the API client - * @check_crc: If non-zero, check the CRC values of filtered sections. - * @set: sets the section filter - * @allocate_filter: This function is used to allocate a section filter on - * the demux. It should only be called when no filtering - * is in progress on this section feed. If a filter cannot - * be allocated, the function fails with -ENOSPC. - * @release_filter: This function releases all the resources of a - * previously allocated section filter. The function - * should not be called while filtering is in progress - * on this section feed. After calling this function, - * the caller should not try to dereference the filter - * pointer. - * @start_filtering: starts section filtering - * @stop_filtering: stops section filtering - * - * A TS feed is typically mapped to a hardware PID filter on the demux chip. - * Using this API, the client can set the filtering properties to start/stop - * filtering TS packets on a particular TS feed. - */ -struct dmx_section_feed { - int is_filtering; - struct dmx_demux *parent; - void *priv; - - int check_crc; - - /* private: Used internally at dvb_demux.c */ - u32 crc_val; - - u8 *secbuf; - u8 secbuf_base[DMX_MAX_SECFEED_SIZE]; - u16 secbufp, seclen, tsfeedp; - - /* public: */ - int (*set)(struct dmx_section_feed *feed, - u16 pid, - int check_crc); - int (*allocate_filter)(struct dmx_section_feed *feed, - struct dmx_section_filter **filter); - int (*release_filter)(struct dmx_section_feed *feed, - struct dmx_section_filter *filter); - int (*start_filtering)(struct dmx_section_feed *feed); - int (*stop_filtering)(struct dmx_section_feed *feed); -}; - -/** - * typedef dmx_ts_cb - DVB demux TS filter callback function prototype - * - * @buffer1: Pointer to the start of the filtered TS packets. - * @buffer1_length: Length of the TS data in buffer1. - * @buffer2: Pointer to the tail of the filtered TS packets, or NULL. - * @buffer2_length: Length of the TS data in buffer2. - * @source: Indicates which TS feed is the source of the callback. - * - * This function callback prototype, provided by the client of the demux API, - * is called from the demux code. The function is only called when filtering - * on a TS feed has been enabled using the start_filtering\(\) function at - * the &dmx_demux. - * Any TS packets that match the filter settings are copied to a circular - * buffer. The filtered TS packets are delivered to the client using this - * callback function. - * It is expected that the @buffer1 and @buffer2 callback parameters point to - * addresses within the circular buffer, but other implementations are also - * possible. Note that the called party should not try to free the memory - * the @buffer1 and @buffer2 parameters point to. - * - * When this function is called, the @buffer1 parameter typically points to - * the start of the first undelivered TS packet within a circular buffer. - * The @buffer2 buffer parameter is normally NULL, except when the received - * TS packets have crossed the last address of the circular buffer and - * "wrapped" to the beginning of the buffer. In the latter case the @buffer1 - * parameter would contain an address within the circular buffer, while the - * @buffer2 parameter would contain the first address of the circular buffer. - * The number of bytes delivered with this function (i.e. @buffer1_length + - * @buffer2_length) is usually equal to the value of callback_length parameter - * given in the set() function, with one exception: if a timeout occurs before - * receiving callback_length bytes of TS data, any undelivered packets are - * immediately delivered to the client by calling this function. The timeout - * duration is controlled by the set() function in the TS Feed API. - * - * If a TS packet is received with errors that could not be fixed by the - * TS-level forward error correction (FEC), the Transport_error_indicator - * flag of the TS packet header should be set. The TS packet should not be - * discarded, as the error can possibly be corrected by a higher layer - * protocol. If the called party is slow in processing the callback, it - * is possible that the circular buffer eventually fills up. If this happens, - * the demux driver should discard any TS packets received while the buffer - * is full and return -EOVERFLOW. - * - * The type of data returned to the callback can be selected by the - * &dmx_ts_feed.@set function. The type parameter decides if the raw - * TS packet (TS_PACKET) or just the payload (TS_PACKET|TS_PAYLOAD_ONLY) - * should be returned. If additionally the TS_DECODER bit is set the stream - * will also be sent to the hardware MPEG decoder. - * - * Return: - * - * - 0, on success; - * - * - -EOVERFLOW, on buffer overflow. - */ -typedef int (*dmx_ts_cb)(const u8 *buffer1, - size_t buffer1_length, - const u8 *buffer2, - size_t buffer2_length, - struct dmx_ts_feed *source); - -/** - * typedef dmx_section_cb - DVB demux TS filter callback function prototype - * - * @buffer1: Pointer to the start of the filtered section, e.g. - * within the circular buffer of the demux driver. - * @buffer1_len: Length of the filtered section data in @buffer1, - * including headers and CRC. - * @buffer2: Pointer to the tail of the filtered section data, - * or NULL. Useful to handle the wrapping of a - * circular buffer. - * @buffer2_len: Length of the filtered section data in @buffer2, - * including headers and CRC. - * @source: Indicates which section feed is the source of the - * callback. - * - * This function callback prototype, provided by the client of the demux API, - * is called from the demux code. The function is only called when - * filtering of sections has been enabled using the function - * &dmx_ts_feed.@start_filtering. When the demux driver has received a - * complete section that matches at least one section filter, the client - * is notified via this callback function. Normally this function is called - * for each received section; however, it is also possible to deliver - * multiple sections with one callback, for example when the system load - * is high. If an error occurs while receiving a section, this - * function should be called with the corresponding error type set in the - * success field, whether or not there is data to deliver. The Section Feed - * implementation should maintain a circular buffer for received sections. - * However, this is not necessary if the Section Feed API is implemented as - * a client of the TS Feed API, because the TS Feed implementation then - * buffers the received data. The size of the circular buffer can be - * configured using the &dmx_ts_feed.@set function in the Section Feed API. - * If there is no room in the circular buffer when a new section is received, - * the section must be discarded. If this happens, the value of the success - * parameter should be DMX_OVERRUN_ERROR on the next callback. - */ -typedef int (*dmx_section_cb)(const u8 *buffer1, - size_t buffer1_len, - const u8 *buffer2, - size_t buffer2_len, - struct dmx_section_filter *source); - -/* - * DVB Front-End - */ - -/** - * enum dmx_frontend_source - Used to identify the type of frontend - * - * @DMX_MEMORY_FE: The source of the demux is memory. It means that - * the MPEG-TS to be filtered comes from userspace, - * via write() syscall. - * - * @DMX_FRONTEND_0: The source of the demux is a frontend connected - * to the demux. - */ -enum dmx_frontend_source { - DMX_MEMORY_FE, - DMX_FRONTEND_0, -}; - -/** - * struct dmx_frontend - Structure that lists the frontends associated with - * a demux - * - * @connectivity_list: List of front-ends that can be connected to a - * particular demux; - * @source: Type of the frontend. - * - * FIXME: this structure should likely be replaced soon by some - * media-controller based logic. - */ -struct dmx_frontend { - struct list_head connectivity_list; - enum dmx_frontend_source source; -}; - -/* - * MPEG-2 TS Demux - */ - -/** - * enum dmx_demux_caps - MPEG-2 TS Demux capabilities bitmap - * - * @DMX_TS_FILTERING: set if TS filtering is supported; - * @DMX_SECTION_FILTERING: set if section filtering is supported; - * @DMX_MEMORY_BASED_FILTERING: set if write() available. - * - * Those flags are OR'ed in the &dmx_demux.capabilities field - */ -enum dmx_demux_caps { - DMX_TS_FILTERING = 1, - DMX_SECTION_FILTERING = 4, - DMX_MEMORY_BASED_FILTERING = 8, -}; - -/* - * Demux resource type identifier. - */ - -/** - * DMX_FE_ENTRY - Casts elements in the list of registered - * front-ends from the generic type struct list_head - * to the type * struct dmx_frontend - * - * @list: list of struct dmx_frontend - */ -#define DMX_FE_ENTRY(list) \ - list_entry(list, struct dmx_frontend, connectivity_list) - -/** - * struct dmx_demux - Structure that contains the demux capabilities and - * callbacks. - * - * @capabilities: Bitfield of capability flags. - * - * @frontend: Front-end connected to the demux - * - * @priv: Pointer to private data of the API client - * - * @open: This function reserves the demux for use by the caller and, if - * necessary, initializes the demux. When the demux is no longer needed, - * the function @close should be called. It should be possible for - * multiple clients to access the demux at the same time. Thus, the - * function implementation should increment the demux usage count when - * @open is called and decrement it when @close is called. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * It returns: - * 0 on success; - * -EUSERS, if maximum usage count was reached; - * -EINVAL, on bad parameter. - * - * @close: This function reserves the demux for use by the caller and, if - * necessary, initializes the demux. When the demux is no longer needed, - * the function @close should be called. It should be possible for - * multiple clients to access the demux at the same time. Thus, the - * function implementation should increment the demux usage count when - * @open is called and decrement it when @close is called. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * It returns: - * 0 on success; - * -ENODEV, if demux was not in use (e. g. no users); - * -EINVAL, on bad parameter. - * - * @write: This function provides the demux driver with a memory buffer - * containing TS packets. Instead of receiving TS packets from the DVB - * front-end, the demux driver software will read packets from memory. - * Any clients of this demux with active TS, PES or Section filters will - * receive filtered data via the Demux callback API (see 0). The function - * returns when all the data in the buffer has been consumed by the demux. - * Demux hardware typically cannot read TS from memory. If this is the - * case, memory-based filtering has to be implemented entirely in software. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * The @buf function parameter contains a pointer to the TS data in - * kernel-space memory. - * The @count function parameter contains the length of the TS data. - * It returns: - * 0 on success; - * -ERESTARTSYS, if mutex lock was interrupted; - * -EINTR, if a signal handling is pending; - * -ENODEV, if demux was removed; - * -EINVAL, on bad parameter. - * - * @allocate_ts_feed: Allocates a new TS feed, which is used to filter the TS - * packets carrying a certain PID. The TS feed normally corresponds to a - * hardware PID filter on the demux chip. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * The @feed function parameter contains a pointer to the TS feed API and - * instance data. - * The @callback function parameter contains a pointer to the callback - * function for passing received TS packet. - * It returns: - * 0 on success; - * -ERESTARTSYS, if mutex lock was interrupted; - * -EBUSY, if no more TS feeds is available; - * -EINVAL, on bad parameter. - * - * @release_ts_feed: Releases the resources allocated with @allocate_ts_feed. - * Any filtering in progress on the TS feed should be stopped before - * calling this function. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * The @feed function parameter contains a pointer to the TS feed API and - * instance data. - * It returns: - * 0 on success; - * -EINVAL on bad parameter. - * - * @allocate_section_feed: Allocates a new section feed, i.e. a demux resource - * for filtering and receiving sections. On platforms with hardware - * support for section filtering, a section feed is directly mapped to - * the demux HW. On other platforms, TS packets are first PID filtered in - * hardware and a hardware section filter then emulated in software. The - * caller obtains an API pointer of type dmx_section_feed_t as an out - * parameter. Using this API the caller can set filtering parameters and - * start receiving sections. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * The @feed function parameter contains a pointer to the TS feed API and - * instance data. - * The @callback function parameter contains a pointer to the callback - * function for passing received TS packet. - * It returns: - * 0 on success; - * -EBUSY, if no more TS feeds is available; - * -EINVAL, on bad parameter. - * - * @release_section_feed: Releases the resources allocated with - * @allocate_section_feed, including allocated filters. Any filtering in - * progress on the section feed should be stopped before calling this - * function. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * The @feed function parameter contains a pointer to the TS feed API and - * instance data. - * It returns: - * 0 on success; - * -EINVAL, on bad parameter. - * - * @add_frontend: Registers a connectivity between a demux and a front-end, - * i.e., indicates that the demux can be connected via a call to - * @connect_frontend to use the given front-end as a TS source. The - * client of this function has to allocate dynamic or static memory for - * the frontend structure and initialize its fields before calling this - * function. This function is normally called during the driver - * initialization. The caller must not free the memory of the frontend - * struct before successfully calling @remove_frontend. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * The @frontend function parameter contains a pointer to the front-end - * instance data. - * It returns: - * 0 on success; - * -EINVAL, on bad parameter. - * - * @remove_frontend: Indicates that the given front-end, registered by a call - * to @add_frontend, can no longer be connected as a TS source by this - * demux. The function should be called when a front-end driver or a demux - * driver is removed from the system. If the front-end is in use, the - * function fails with the return value of -EBUSY. After successfully - * calling this function, the caller can free the memory of the frontend - * struct if it was dynamically allocated before the @add_frontend - * operation. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * The @frontend function parameter contains a pointer to the front-end - * instance data. - * It returns: - * 0 on success; - * -ENODEV, if the front-end was not found, - * -EINVAL, on bad parameter. - * - * @get_frontends: Provides the APIs of the front-ends that have been - * registered for this demux. Any of the front-ends obtained with this - * call can be used as a parameter for @connect_frontend. The include - * file demux.h contains the macro DMX_FE_ENTRY() for converting an - * element of the generic type struct &list_head * to the type - * struct &dmx_frontend *. The caller must not free the memory of any of - * the elements obtained via this function call. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * It returns a struct list_head pointer to the list of front-end - * interfaces, or NULL in the case of an empty list. - * - * @connect_frontend: Connects the TS output of the front-end to the input of - * the demux. A demux can only be connected to a front-end registered to - * the demux with the function @add_frontend. It may or may not be - * possible to connect multiple demuxes to the same front-end, depending - * on the capabilities of the HW platform. When not used, the front-end - * should be released by calling @disconnect_frontend. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * The @frontend function parameter contains a pointer to the front-end - * instance data. - * It returns: - * 0 on success; - * -EINVAL, on bad parameter. - * - * @disconnect_frontend: Disconnects the demux and a front-end previously - * connected by a @connect_frontend call. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * It returns: - * 0 on success; - * -EINVAL on bad parameter. - * - * @get_pes_pids: Get the PIDs for DMX_PES_AUDIO0, DMX_PES_VIDEO0, - * DMX_PES_TELETEXT0, DMX_PES_SUBTITLE0 and DMX_PES_PCR0. - * The @demux function parameter contains a pointer to the demux API and - * instance data. - * The @pids function parameter contains an array with five u16 elements - * where the PIDs will be stored. - * It returns: - * 0 on success; - * -EINVAL on bad parameter. - */ -struct dmx_demux { - enum dmx_demux_caps capabilities; - struct dmx_frontend *frontend; - void *priv; - int (*open)(struct dmx_demux *demux); - int (*close)(struct dmx_demux *demux); - int (*write)(struct dmx_demux *demux, const char __user *buf, - size_t count); - int (*allocate_ts_feed)(struct dmx_demux *demux, - struct dmx_ts_feed **feed, - dmx_ts_cb callback); - int (*release_ts_feed)(struct dmx_demux *demux, - struct dmx_ts_feed *feed); - int (*allocate_section_feed)(struct dmx_demux *demux, - struct dmx_section_feed **feed, - dmx_section_cb callback); - int (*release_section_feed)(struct dmx_demux *demux, - struct dmx_section_feed *feed); - int (*add_frontend)(struct dmx_demux *demux, - struct dmx_frontend *frontend); - int (*remove_frontend)(struct dmx_demux *demux, - struct dmx_frontend *frontend); - struct list_head *(*get_frontends)(struct dmx_demux *demux); - int (*connect_frontend)(struct dmx_demux *demux, - struct dmx_frontend *frontend); - int (*disconnect_frontend)(struct dmx_demux *demux); - - int (*get_pes_pids)(struct dmx_demux *demux, u16 *pids); - - /* private: */ - - /* - * Only used at av7110, to read some data from firmware. - * As this was never documented, we have no clue about what's - * there, and its usage on other drivers aren't encouraged. - */ - int (*get_stc)(struct dmx_demux *demux, unsigned int num, - u64 *stc, unsigned int *base); -}; - -#endif /* #ifndef __DEMUX_H */ diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c index 3fe0eb740a6d..bc198f84b9cd 100644 --- a/drivers/media/dvb-core/dmxdev.c +++ b/drivers/media/dvb-core/dmxdev.c @@ -27,7 +27,8 @@ #include <linux/ioctl.h> #include <linux/wait.h> #include <linux/uaccess.h> -#include "dmxdev.h" +#include <media/dmxdev.h> +#include <media/dvb_vb2.h> static int debug; @@ -127,6 +128,11 @@ static int dvb_dvr_open(struct inode *inode, struct file *file) struct dvb_device *dvbdev = file->private_data; struct dmxdev *dmxdev = dvbdev->priv; struct dmx_frontend *front; +#ifndef DVB_MMAP + bool need_ringbuffer = false; +#else + const bool need_ringbuffer = true; +#endif dprintk("%s\n", __func__); @@ -138,14 +144,19 @@ static int dvb_dvr_open(struct inode *inode, struct file *file) return -ENODEV; } +#ifndef DVB_MMAP + if ((file->f_flags & O_ACCMODE) == O_RDONLY) + need_ringbuffer = true; +#else if ((file->f_flags & O_ACCMODE) == O_RDWR) { if (!(dmxdev->capabilities & DMXDEV_CAP_DUPLEX)) { mutex_unlock(&dmxdev->mutex); return -EOPNOTSUPP; } } +#endif - if ((file->f_flags & O_ACCMODE) == O_RDONLY) { + if (need_ringbuffer) { void *mem; if (!dvbdev->readers) { @@ -158,6 +169,8 @@ static int dvb_dvr_open(struct inode *inode, struct file *file) return -ENOMEM; } dvb_ringbuffer_init(&dmxdev->dvr_buffer, mem, DVR_BUFFER_SIZE); + dvb_vb2_init(&dmxdev->dvr_vb2_ctx, "dvr", + file->f_flags & O_NONBLOCK); dvbdev->readers--; } @@ -187,6 +200,11 @@ static int dvb_dvr_release(struct inode *inode, struct file *file) { struct dvb_device *dvbdev = file->private_data; struct dmxdev *dmxdev = dvbdev->priv; +#ifndef DVB_MMAP + bool need_ringbuffer = false; +#else + const bool need_ringbuffer = true; +#endif mutex_lock(&dmxdev->mutex); @@ -195,7 +213,15 @@ static int dvb_dvr_release(struct inode *inode, struct file *file) dmxdev->demux->connect_frontend(dmxdev->demux, dmxdev->dvr_orig_fe); } - if ((file->f_flags & O_ACCMODE) == O_RDONLY) { +#ifndef DVB_MMAP + if ((file->f_flags & O_ACCMODE) == O_RDONLY) + need_ringbuffer = true; +#endif + + if (need_ringbuffer) { + if (dvb_vb2_is_streaming(&dmxdev->dvr_vb2_ctx)) + dvb_vb2_stream_off(&dmxdev->dvr_vb2_ctx); + dvb_vb2_release(&dmxdev->dvr_vb2_ctx); dvbdev->readers++; if (dmxdev->dvr_buffer.data) { void *mem = dmxdev->dvr_buffer.data; @@ -359,7 +385,8 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len, struct dmxdev_filter *dmxdevfilter = filter->priv; int ret; - if (dmxdevfilter->buffer.error) { + if (!dvb_vb2_is_streaming(&dmxdevfilter->vb2_ctx) && + dmxdevfilter->buffer.error) { wake_up(&dmxdevfilter->buffer.queue); return 0; } @@ -370,11 +397,19 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len, } del_timer(&dmxdevfilter->timer); dprintk("section callback %*ph\n", 6, buffer1); - ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer1, - buffer1_len); - if (ret == buffer1_len) { - ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer2, - buffer2_len); + if (dvb_vb2_is_streaming(&dmxdevfilter->vb2_ctx)) { + ret = dvb_vb2_fill_buffer(&dmxdevfilter->vb2_ctx, + buffer1, buffer1_len); + if (ret == buffer1_len) + ret = dvb_vb2_fill_buffer(&dmxdevfilter->vb2_ctx, + buffer2, buffer2_len); + } else { + ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, + buffer1, buffer1_len); + if (ret == buffer1_len) { + ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, + buffer2, buffer2_len); + } } if (ret < 0) dmxdevfilter->buffer.error = ret; @@ -391,6 +426,9 @@ static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len, { struct dmxdev_filter *dmxdevfilter = feed->priv; struct dvb_ringbuffer *buffer; +#ifdef DVB_MMAP + struct dvb_vb2_ctx *ctx; +#endif int ret; spin_lock(&dmxdevfilter->dev->lock); @@ -399,19 +437,34 @@ static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len, return 0; } - if (dmxdevfilter->params.pes.output == DMX_OUT_TAP - || dmxdevfilter->params.pes.output == DMX_OUT_TSDEMUX_TAP) + if (dmxdevfilter->params.pes.output == DMX_OUT_TAP || + dmxdevfilter->params.pes.output == DMX_OUT_TSDEMUX_TAP) { buffer = &dmxdevfilter->buffer; - else +#ifdef DVB_MMAP + ctx = &dmxdevfilter->vb2_ctx; +#endif + } else { buffer = &dmxdevfilter->dev->dvr_buffer; - if (buffer->error) { - spin_unlock(&dmxdevfilter->dev->lock); - wake_up(&buffer->queue); - return 0; +#ifdef DVB_MMAP + ctx = &dmxdevfilter->dev->dvr_vb2_ctx; +#endif + } + + if (dvb_vb2_is_streaming(ctx)) { + ret = dvb_vb2_fill_buffer(ctx, buffer1, buffer1_len); + if (ret == buffer1_len) + ret = dvb_vb2_fill_buffer(ctx, buffer2, buffer2_len); + } else { + if (buffer->error) { + spin_unlock(&dmxdevfilter->dev->lock); + wake_up(&buffer->queue); + return 0; + } + ret = dvb_dmxdev_buffer_write(buffer, buffer1, buffer1_len); + if (ret == buffer1_len) + ret = dvb_dmxdev_buffer_write(buffer, + buffer2, buffer2_len); } - ret = dvb_dmxdev_buffer_write(buffer, buffer1, buffer1_len); - if (ret == buffer1_len) - ret = dvb_dmxdev_buffer_write(buffer, buffer2, buffer2_len); if (ret < 0) buffer->error = ret; spin_unlock(&dmxdevfilter->dev->lock); @@ -750,6 +803,8 @@ static int dvb_demux_open(struct inode *inode, struct file *file) file->private_data = dmxdevfilter; dvb_ringbuffer_init(&dmxdevfilter->buffer, NULL, 8192); + dvb_vb2_init(&dmxdevfilter->vb2_ctx, "demux_filter", + file->f_flags & O_NONBLOCK); dmxdevfilter->type = DMXDEV_TYPE_NONE; dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_ALLOCATED); timer_setup(&dmxdevfilter->timer, dvb_dmxdev_filter_timeout, 0); @@ -765,6 +820,10 @@ static int dvb_dmxdev_filter_free(struct dmxdev *dmxdev, { mutex_lock(&dmxdev->mutex); mutex_lock(&dmxdevfilter->mutex); + if (dvb_vb2_is_streaming(&dmxdevfilter->vb2_ctx)) + dvb_vb2_stream_off(&dmxdevfilter->vb2_ctx); + dvb_vb2_release(&dmxdevfilter->vb2_ctx); + dvb_dmxdev_filter_stop(dmxdevfilter); dvb_dmxdev_filter_reset(dmxdevfilter); @@ -1052,6 +1111,54 @@ static int dvb_demux_do_ioctl(struct file *file, mutex_unlock(&dmxdevfilter->mutex); break; +#ifdef DVB_MMAP + case DMX_REQBUFS: + if (mutex_lock_interruptible(&dmxdevfilter->mutex)) { + mutex_unlock(&dmxdev->mutex); + return -ERESTARTSYS; + } + ret = dvb_vb2_reqbufs(&dmxdevfilter->vb2_ctx, parg); + mutex_unlock(&dmxdevfilter->mutex); + break; + + case DMX_QUERYBUF: + if (mutex_lock_interruptible(&dmxdevfilter->mutex)) { + mutex_unlock(&dmxdev->mutex); + return -ERESTARTSYS; + } + ret = dvb_vb2_querybuf(&dmxdevfilter->vb2_ctx, parg); + mutex_unlock(&dmxdevfilter->mutex); + break; + + case DMX_EXPBUF: + if (mutex_lock_interruptible(&dmxdevfilter->mutex)) { + mutex_unlock(&dmxdev->mutex); + return -ERESTARTSYS; + } + ret = dvb_vb2_expbuf(&dmxdevfilter->vb2_ctx, parg); + mutex_unlock(&dmxdevfilter->mutex); + break; + + case DMX_QBUF: + if (mutex_lock_interruptible(&dmxdevfilter->mutex)) { + mutex_unlock(&dmxdev->mutex); + return -ERESTARTSYS; + } + ret = dvb_vb2_qbuf(&dmxdevfilter->vb2_ctx, parg); + if (ret == 0 && !dvb_vb2_is_streaming(&dmxdevfilter->vb2_ctx)) + ret = dvb_vb2_stream_on(&dmxdevfilter->vb2_ctx); + mutex_unlock(&dmxdevfilter->mutex); + break; + + case DMX_DQBUF: + if (mutex_lock_interruptible(&dmxdevfilter->mutex)) { + mutex_unlock(&dmxdev->mutex); + return -ERESTARTSYS; + } + ret = dvb_vb2_dqbuf(&dmxdevfilter->vb2_ctx, parg); + mutex_unlock(&dmxdevfilter->mutex); + break; +#endif default: ret = -EINVAL; break; @@ -1073,6 +1180,8 @@ static __poll_t dvb_demux_poll(struct file *file, poll_table *wait) if ((!dmxdevfilter) || dmxdevfilter->dev->exit) return POLLERR; + if (dvb_vb2_is_streaming(&dmxdevfilter->vb2_ctx)) + return dvb_vb2_poll(&dmxdevfilter->vb2_ctx, file, wait); poll_wait(file, &dmxdevfilter->buffer.queue, wait); @@ -1090,11 +1199,33 @@ static __poll_t dvb_demux_poll(struct file *file, poll_table *wait) return mask; } -static int dvb_demux_release(struct inode *inode, struct file *file) +#ifdef DVB_MMAP +static int dvb_demux_mmap(struct file *file, struct vm_area_struct *vma) { struct dmxdev_filter *dmxdevfilter = file->private_data; struct dmxdev *dmxdev = dmxdevfilter->dev; + int ret; + + if (mutex_lock_interruptible(&dmxdev->mutex)) + return -ERESTARTSYS; + + if (mutex_lock_interruptible(&dmxdevfilter->mutex)) { + mutex_unlock(&dmxdev->mutex); + return -ERESTARTSYS; + } + ret = dvb_vb2_mmap(&dmxdevfilter->vb2_ctx, vma); + + mutex_unlock(&dmxdevfilter->mutex); + mutex_unlock(&dmxdev->mutex); + return ret; +} +#endif + +static int dvb_demux_release(struct inode *inode, struct file *file) +{ + struct dmxdev_filter *dmxdevfilter = file->private_data; + struct dmxdev *dmxdev = dmxdevfilter->dev; int ret; ret = dvb_dmxdev_filter_free(dmxdev, dmxdevfilter); @@ -1118,6 +1249,9 @@ static const struct file_operations dvb_demux_fops = { .release = dvb_demux_release, .poll = dvb_demux_poll, .llseek = default_llseek, +#ifdef DVB_MMAP + .mmap = dvb_demux_mmap, +#endif }; static const struct dvb_device dvbdev_demux = { @@ -1146,6 +1280,29 @@ static int dvb_dvr_do_ioctl(struct file *file, ret = dvb_dvr_set_buffer_size(dmxdev, arg); break; +#ifdef DVB_MMAP + case DMX_REQBUFS: + ret = dvb_vb2_reqbufs(&dmxdev->dvr_vb2_ctx, parg); + break; + + case DMX_QUERYBUF: + ret = dvb_vb2_querybuf(&dmxdev->dvr_vb2_ctx, parg); + break; + + case DMX_EXPBUF: + ret = dvb_vb2_expbuf(&dmxdev->dvr_vb2_ctx, parg); + break; + + case DMX_QBUF: + ret = dvb_vb2_qbuf(&dmxdev->dvr_vb2_ctx, parg); + if (ret == 0 && !dvb_vb2_is_streaming(&dmxdev->dvr_vb2_ctx)) + ret = dvb_vb2_stream_on(&dmxdev->dvr_vb2_ctx); + break; + + case DMX_DQBUF: + ret = dvb_vb2_dqbuf(&dmxdev->dvr_vb2_ctx, parg); + break; +#endif default: ret = -EINVAL; break; @@ -1165,15 +1322,26 @@ static __poll_t dvb_dvr_poll(struct file *file, poll_table *wait) struct dvb_device *dvbdev = file->private_data; struct dmxdev *dmxdev = dvbdev->priv; __poll_t mask = 0; +#ifndef DVB_MMAP + bool need_ringbuffer = false; +#else + const bool need_ringbuffer = true; +#endif dprintk("%s\n", __func__); if (dmxdev->exit) return POLLERR; + if (dvb_vb2_is_streaming(&dmxdev->dvr_vb2_ctx)) + return dvb_vb2_poll(&dmxdev->dvr_vb2_ctx, file, wait); poll_wait(file, &dmxdev->dvr_buffer.queue, wait); - if ((file->f_flags & O_ACCMODE) == O_RDONLY) { +#ifndef DVB_MMAP + if ((file->f_flags & O_ACCMODE) == O_RDONLY) + need_ringbuffer = true; +#endif + if (need_ringbuffer) { if (dmxdev->dvr_buffer.error) mask |= (POLLIN | POLLRDNORM | POLLPRI | POLLERR); @@ -1185,6 +1353,25 @@ static __poll_t dvb_dvr_poll(struct file *file, poll_table *wait) return mask; } +#ifdef DVB_MMAP +static int dvb_dvr_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct dvb_device *dvbdev = file->private_data; + struct dmxdev *dmxdev = dvbdev->priv; + int ret; + + if (dmxdev->exit) + return -ENODEV; + + if (mutex_lock_interruptible(&dmxdev->mutex)) + return -ERESTARTSYS; + + ret = dvb_vb2_mmap(&dmxdev->dvr_vb2_ctx, vma); + mutex_unlock(&dmxdev->mutex); + return ret; +} +#endif + static const struct file_operations dvb_dvr_fops = { .owner = THIS_MODULE, .read = dvb_dvr_read, @@ -1194,6 +1381,9 @@ static const struct file_operations dvb_dvr_fops = { .release = dvb_dvr_release, .poll = dvb_dvr_poll, .llseek = default_llseek, +#ifdef DVB_MMAP + .mmap = dvb_dvr_mmap, +#endif }; static const struct dvb_device dvbdev_dvr = { diff --git a/drivers/media/dvb-core/dmxdev.h b/drivers/media/dvb-core/dmxdev.h deleted file mode 100644 index 5e795f5f0f41..000000000000 --- a/drivers/media/dvb-core/dmxdev.h +++ /dev/null @@ -1,201 +0,0 @@ -/* - * dmxdev.h - * - * Copyright (C) 2000 Ralph Metzler & Marcus Metzler - * for convergence integrated media GmbH - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * as published by the Free Software Foundation; either version 2.1 - * of the License, or (at your option) any later version. - * - * 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 _DMXDEV_H_ -#define _DMXDEV_H_ - -#include <linux/types.h> -#include <linux/spinlock.h> -#include <linux/kernel.h> -#include <linux/time.h> -#include <linux/timer.h> -#include <linux/wait.h> -#include <linux/fs.h> -#include <linux/string.h> -#include <linux/mutex.h> -#include <linux/slab.h> - -#include <linux/dvb/dmx.h> - -#include "dvbdev.h" -#include "demux.h" -#include "dvb_ringbuffer.h" - -/** - * enum dmxdev_type - type of demux filter type. - * - * @DMXDEV_TYPE_NONE: no filter set. - * @DMXDEV_TYPE_SEC: section filter. - * @DMXDEV_TYPE_PES: Program Elementary Stream (PES) filter. - */ -enum dmxdev_type { - DMXDEV_TYPE_NONE, - DMXDEV_TYPE_SEC, - DMXDEV_TYPE_PES, -}; - -/** - * enum dmxdev_state - state machine for the dmxdev. - * - * @DMXDEV_STATE_FREE: indicates that the filter is freed. - * @DMXDEV_STATE_ALLOCATED: indicates that the filter was allocated - * to be used. - * @DMXDEV_STATE_SET: indicates that the filter parameters are set. - * @DMXDEV_STATE_GO: indicates that the filter is running. - * @DMXDEV_STATE_DONE: indicates that a packet was already filtered - * and the filter is now disabled. - * Set only if %DMX_ONESHOT. See - * &dmx_sct_filter_params. - * @DMXDEV_STATE_TIMEDOUT: Indicates a timeout condition. - */ -enum dmxdev_state { - DMXDEV_STATE_FREE, - DMXDEV_STATE_ALLOCATED, - DMXDEV_STATE_SET, - DMXDEV_STATE_GO, - DMXDEV_STATE_DONE, - DMXDEV_STATE_TIMEDOUT -}; - -/** - * struct dmxdev_feed - digital TV dmxdev feed - * - * @pid: Program ID to be filtered - * @ts: pointer to &struct dmx_ts_feed - * @next: &struct list_head pointing to the next feed. - */ - -struct dmxdev_feed { - u16 pid; - struct dmx_ts_feed *ts; - struct list_head next; -}; - -/** - * struct dmxdev_filter - digital TV dmxdev filter - * - * @filter: a dmxdev filter. Currently used only for section filter: - * if the filter is Section, it contains a - * &struct dmx_section_filter @sec pointer. - * @feed: a dmxdev feed. Depending on the feed type, it can be: - * for TS feed: a &struct list_head @ts list of TS and PES - * feeds; - * for section feed: a &struct dmx_section_feed @sec pointer. - * @params: dmxdev filter parameters. Depending on the feed type, it - * can be: - * for section filter: a &struct dmx_sct_filter_params @sec - * embedded struct; - * for a TS filter: a &struct dmx_pes_filter_params @pes - * embedded struct. - * @type: type of the dmxdev filter, as defined by &enum dmxdev_type. - * @state: state of the dmxdev filter, as defined by &enum dmxdev_state. - * @dev: pointer to &struct dmxdev. - * @buffer: an embedded &struct dvb_ringbuffer buffer. - * @mutex: protects the access to &struct dmxdev_filter. - * @timer: &struct timer_list embedded timer, used to check for - * feed timeouts. - * Only for section filter. - * @todo: index for the @secheader. - * Only for section filter. - * @secheader: buffer cache to parse the section header. - * Only for section filter. - */ -struct dmxdev_filter { - union { - struct dmx_section_filter *sec; - } filter; - - union { - /* list of TS and PES feeds (struct dmxdev_feed) */ - struct list_head ts; - struct dmx_section_feed *sec; - } feed; - - union { - struct dmx_sct_filter_params sec; - struct dmx_pes_filter_params pes; - } params; - - enum dmxdev_type type; - enum dmxdev_state state; - struct dmxdev *dev; - struct dvb_ringbuffer buffer; - - struct mutex mutex; - - /* only for sections */ - struct timer_list timer; - int todo; - u8 secheader[3]; -}; - -/** - * struct dmxdev - Describes a digital TV demux device. - * - * @dvbdev: pointer to &struct dvb_device associated with - * the demux device node. - * @dvr_dvbdev: pointer to &struct dvb_device associated with - * the dvr device node. - * @filter: pointer to &struct dmxdev_filter. - * @demux: pointer to &struct dmx_demux. - * @filternum: number of filters. - * @capabilities: demux capabilities as defined by &enum dmx_demux_caps. - * @exit: flag to indicate that the demux is being released. - * @dvr_orig_fe: pointer to &struct dmx_frontend. - * @dvr_buffer: embedded &struct dvb_ringbuffer for DVB output. - * @mutex: protects the usage of this structure. - * @lock: protects access to &dmxdev->filter->data. - */ -struct dmxdev { - struct dvb_device *dvbdev; - struct dvb_device *dvr_dvbdev; - - struct dmxdev_filter *filter; - struct dmx_demux *demux; - - int filternum; - int capabilities; - - unsigned int exit:1; -#define DMXDEV_CAP_DUPLEX 1 - struct dmx_frontend *dvr_orig_fe; - - struct dvb_ringbuffer dvr_buffer; -#define DVR_BUFFER_SIZE (10*188*1024) - - struct mutex mutex; - spinlock_t lock; -}; - -/** - * dvb_dmxdev_init - initializes a digital TV demux and registers both demux - * and DVR devices. - * - * @dmxdev: pointer to &struct dmxdev. - * @adap: pointer to &struct dvb_adapter. - */ -int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *adap); - -/** - * dvb_dmxdev_release - releases a digital TV demux and unregisters it. - * - * @dmxdev: pointer to &struct dmxdev. - */ -void dvb_dmxdev_release(struct dmxdev *dmxdev); - -#endif /* _DMXDEV_H_ */ diff --git a/drivers/media/dvb-core/dvb-usb-ids.h b/drivers/media/dvb-core/dvb-usb-ids.h deleted file mode 100644 index 54d7d8a48b18..000000000000 --- a/drivers/media/dvb-core/dvb-usb-ids.h +++ /dev/null @@ -1,421 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* dvb-usb-ids.h is part of the DVB USB library. - * - * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de) see - * dvb-usb-init.c for copyright information. - * - * a header file containing define's for the USB device supported by the - * various drivers. - */ -#ifndef _DVB_USB_IDS_H_ -#define _DVB_USB_IDS_H_ - -/* Vendor IDs */ -#define USB_VID_ADSTECH 0x06e1 -#define USB_VID_AFATECH 0x15a4 -#define USB_VID_ALCOR_MICRO 0x058f -#define USB_VID_ALINK 0x05e3 -#define USB_VID_AMT 0x1c73 -#define USB_VID_ANCHOR 0x0547 -#define USB_VID_ANSONIC 0x10b9 -#define USB_VID_ANUBIS_ELECTRONIC 0x10fd -#define USB_VID_ASUS 0x0b05 -#define USB_VID_AVERMEDIA 0x07ca -#define USB_VID_COMPRO 0x185b -#define USB_VID_COMPRO_UNK 0x145f -#define USB_VID_CONEXANT 0x0572 -#define USB_VID_CYPRESS 0x04b4 -#define USB_VID_DEXATEK 0x1d19 -#define USB_VID_DIBCOM 0x10b8 -#define USB_VID_DPOSH 0x1498 -#define USB_VID_DVICO 0x0fe9 -#define USB_VID_E3C 0x18b4 -#define USB_VID_ELGATO 0x0fd9 -#define USB_VID_EMPIA 0xeb1a -#define USB_VID_GENPIX 0x09c0 -#define USB_VID_GRANDTEC 0x5032 -#define USB_VID_GTEK 0x1f4d -#define USB_VID_HANFTEK 0x15f4 -#define USB_VID_HAUPPAUGE 0x2040 -#define USB_VID_HYPER_PALTEK 0x1025 -#define USB_VID_INTEL 0x8086 -#define USB_VID_ITETECH 0x048d -#define USB_VID_KWORLD 0xeb2a -#define USB_VID_KWORLD_2 0x1b80 -#define USB_VID_KYE 0x0458 -#define USB_VID_LEADTEK 0x0413 -#define USB_VID_LITEON 0x04ca -#define USB_VID_MEDION 0x1660 -#define USB_VID_MIGLIA 0x18f3 -#define USB_VID_MSI 0x0db0 -#define USB_VID_MSI_2 0x1462 -#define USB_VID_OPERA1 0x695c -#define USB_VID_PINNACLE 0x2304 -#define USB_VID_PCTV 0x2013 -#define USB_VID_PIXELVIEW 0x1554 -#define USB_VID_REALTEK 0x0bda -#define USB_VID_TECHNOTREND 0x0b48 -#define USB_VID_TERRATEC 0x0ccd -#define USB_VID_TELESTAR 0x10b9 -#define USB_VID_VISIONPLUS 0x13d3 -#define USB_VID_SONY 0x1415 -#define USB_PID_TEVII_S421 0xd421 -#define USB_PID_TEVII_S480_1 0xd481 -#define USB_PID_TEVII_S480_2 0xd482 -#define USB_PID_TEVII_S630 0xd630 -#define USB_PID_TEVII_S632 0xd632 -#define USB_PID_TEVII_S650 0xd650 -#define USB_PID_TEVII_S660 0xd660 -#define USB_PID_TEVII_S662 0xd662 -#define USB_VID_TWINHAN 0x1822 -#define USB_VID_ULTIMA_ELECTRONIC 0x05d8 -#define USB_VID_UNIWILL 0x1584 -#define USB_VID_WIDEVIEW 0x14aa -#define USB_VID_GIGABYTE 0x1044 -#define USB_VID_YUAN 0x1164 -#define USB_VID_XTENSIONS 0x1ae7 -#define USB_VID_ZYDAS 0x0ace -#define USB_VID_HUMAX_COEX 0x10b9 -#define USB_VID_774 0x7a69 -#define USB_VID_EVOLUTEPC 0x1e59 -#define USB_VID_AZUREWAVE 0x13d3 -#define USB_VID_TECHNISAT 0x14f7 -#define USB_VID_HAMA 0x147f - -/* Product IDs */ -#define USB_PID_ADSTECH_USB2_COLD 0xa333 -#define USB_PID_ADSTECH_USB2_WARM 0xa334 -#define USB_PID_AFATECH_AF9005 0x9020 -#define USB_PID_AFATECH_AF9015_9015 0x9015 -#define USB_PID_AFATECH_AF9015_9016 0x9016 -#define USB_PID_AFATECH_AF9035_1000 0x1000 -#define USB_PID_AFATECH_AF9035_1001 0x1001 -#define USB_PID_AFATECH_AF9035_1002 0x1002 -#define USB_PID_AFATECH_AF9035_1003 0x1003 -#define USB_PID_AFATECH_AF9035_9035 0x9035 -#define USB_PID_TREKSTOR_DVBT 0x901b -#define USB_PID_TREKSTOR_TERRES_2_0 0xC803 -#define USB_VID_ALINK_DTU 0xf170 -#define USB_PID_ANSONIC_DVBT_USB 0x6000 -#define USB_PID_ANYSEE 0x861f -#define USB_PID_AZUREWAVE_AD_TU700 0x3237 -#define USB_PID_AZUREWAVE_6007 0x0ccd -#define USB_PID_AVERMEDIA_DVBT_USB_COLD 0x0001 -#define USB_PID_AVERMEDIA_DVBT_USB_WARM 0x0002 -#define USB_PID_AVERMEDIA_DVBT_USB2_COLD 0xa800 -#define USB_PID_AVERMEDIA_DVBT_USB2_WARM 0xa801 -#define USB_PID_COMPRO_DVBU2000_COLD 0xd000 -#define USB_PID_COMPRO_DVBU2000_WARM 0xd001 -#define USB_PID_COMPRO_DVBU2000_UNK_COLD 0x010c -#define USB_PID_COMPRO_DVBU2000_UNK_WARM 0x010d -#define USB_PID_COMPRO_VIDEOMATE_U500 0x1e78 -#define USB_PID_COMPRO_VIDEOMATE_U500_PC 0x1e80 -#define USB_PID_CONCEPTRONIC_CTVDIGRCU 0xe397 -#define USB_PID_CONEXANT_D680_DMB 0x86d6 -#define USB_PID_CREATIX_CTX1921 0x1921 -#define USB_PID_DELOCK_USB2_DVBT 0xb803 -#define USB_PID_DIBCOM_HOOK_DEFAULT 0x0064 -#define USB_PID_DIBCOM_HOOK_DEFAULT_REENUM 0x0065 -#define USB_PID_DIBCOM_MOD3000_COLD 0x0bb8 -#define USB_PID_DIBCOM_MOD3000_WARM 0x0bb9 -#define USB_PID_DIBCOM_MOD3001_COLD 0x0bc6 -#define USB_PID_DIBCOM_MOD3001_WARM 0x0bc7 -#define USB_PID_DIBCOM_STK7700P 0x1e14 -#define USB_PID_DIBCOM_STK7700P_PC 0x1e78 -#define USB_PID_DIBCOM_STK7700D 0x1ef0 -#define USB_PID_DIBCOM_STK7700_U7000 0x7001 -#define USB_PID_DIBCOM_STK7070P 0x1ebc -#define USB_PID_DIBCOM_STK7070PD 0x1ebe -#define USB_PID_DIBCOM_STK807XP 0x1f90 -#define USB_PID_DIBCOM_STK807XPVR 0x1f98 -#define USB_PID_DIBCOM_STK8096GP 0x1fa0 -#define USB_PID_DIBCOM_STK8096PVR 0x1faa -#define USB_PID_DIBCOM_NIM8096MD 0x1fa8 -#define USB_PID_DIBCOM_TFE8096P 0x1f9C -#define USB_PID_DIBCOM_ANCHOR_2135_COLD 0x2131 -#define USB_PID_DIBCOM_STK7770P 0x1e80 -#define USB_PID_DIBCOM_NIM7090 0x1bb2 -#define USB_PID_DIBCOM_TFE7090PVR 0x1bb4 -#define USB_PID_DIBCOM_TFE7790P 0x1e6e -#define USB_PID_DIBCOM_NIM9090M 0x2383 -#define USB_PID_DIBCOM_NIM9090MD 0x2384 -#define USB_PID_DPOSH_M9206_COLD 0x9206 -#define USB_PID_DPOSH_M9206_WARM 0xa090 -#define USB_PID_E3C_EC168 0x1689 -#define USB_PID_E3C_EC168_2 0xfffa -#define USB_PID_E3C_EC168_3 0xfffb -#define USB_PID_E3C_EC168_4 0x1001 -#define USB_PID_E3C_EC168_5 0x1002 -#define USB_PID_FREECOM_DVBT 0x0160 -#define USB_PID_FREECOM_DVBT_2 0x0161 -#define USB_PID_UNIWILL_STK7700P 0x6003 -#define USB_PID_GENIUS_TVGO_DVB_T03 0x4012 -#define USB_PID_GRANDTEC_DVBT_USB_COLD 0x0fa0 -#define USB_PID_GRANDTEC_DVBT_USB_WARM 0x0fa1 -#define USB_PID_GOTVIEW_SAT_HD 0x5456 -#define USB_PID_INTEL_CE9500 0x9500 -#define USB_PID_ITETECH_IT9135 0x9135 -#define USB_PID_ITETECH_IT9135_9005 0x9005 -#define USB_PID_ITETECH_IT9135_9006 0x9006 -#define USB_PID_ITETECH_IT9303 0x9306 -#define USB_PID_KWORLD_399U 0xe399 -#define USB_PID_KWORLD_399U_2 0xe400 -#define USB_PID_KWORLD_395U 0xe396 -#define USB_PID_KWORLD_395U_2 0xe39b -#define USB_PID_KWORLD_395U_3 0xe395 -#define USB_PID_KWORLD_395U_4 0xe39a -#define USB_PID_KWORLD_MC810 0xc810 -#define USB_PID_KWORLD_PC160_2T 0xc160 -#define USB_PID_KWORLD_PC160_T 0xc161 -#define USB_PID_KWORLD_UB383_T 0xe383 -#define USB_PID_KWORLD_UB499_2T_T09 0xe409 -#define USB_PID_KWORLD_VSTREAM_COLD 0x17de -#define USB_PID_KWORLD_VSTREAM_WARM 0x17df -#define USB_PID_PROF_1100 0xb012 -#define USB_PID_TERRATEC_CINERGY_S 0x0064 -#define USB_PID_TERRATEC_CINERGY_T_USB_XE 0x0055 -#define USB_PID_TERRATEC_CINERGY_T_USB_XE_REV2 0x0069 -#define USB_PID_TERRATEC_CINERGY_T_STICK 0x0093 -#define USB_PID_TERRATEC_CINERGY_T_STICK_RC 0x0097 -#define USB_PID_TERRATEC_CINERGY_T_STICK_DUAL_RC 0x0099 -#define USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1 0x00a9 -#define USB_PID_TWINHAN_VP7041_COLD 0x3201 -#define USB_PID_TWINHAN_VP7041_WARM 0x3202 -#define USB_PID_TWINHAN_VP7020_COLD 0x3203 -#define USB_PID_TWINHAN_VP7020_WARM 0x3204 -#define USB_PID_TWINHAN_VP7045_COLD 0x3205 -#define USB_PID_TWINHAN_VP7045_WARM 0x3206 -#define USB_PID_TWINHAN_VP7021_COLD 0x3207 -#define USB_PID_TWINHAN_VP7021_WARM 0x3208 -#define USB_PID_TWINHAN_VP7049 0x3219 -#define USB_PID_TINYTWIN 0x3226 -#define USB_PID_TINYTWIN_2 0xe402 -#define USB_PID_TINYTWIN_3 0x9016 -#define USB_PID_DNTV_TINYUSB2_COLD 0x3223 -#define USB_PID_DNTV_TINYUSB2_WARM 0x3224 -#define USB_PID_ULTIMA_TVBOX_COLD 0x8105 -#define USB_PID_ULTIMA_TVBOX_WARM 0x8106 -#define USB_PID_ULTIMA_TVBOX_AN2235_COLD 0x8107 -#define USB_PID_ULTIMA_TVBOX_AN2235_WARM 0x8108 -#define USB_PID_ULTIMA_TVBOX_ANCHOR_COLD 0x2235 -#define USB_PID_ULTIMA_TVBOX_USB2_COLD 0x8109 -#define USB_PID_ULTIMA_TVBOX_USB2_WARM 0x810a -#define USB_PID_ARTEC_T14_COLD 0x810b -#define USB_PID_ARTEC_T14_WARM 0x810c -#define USB_PID_ARTEC_T14BR 0x810f -#define USB_PID_ULTIMA_TVBOX_USB2_FX_COLD 0x8613 -#define USB_PID_ULTIMA_TVBOX_USB2_FX_WARM 0x1002 -#define USB_PID_UNK_HYPER_PALTEK_COLD 0x005e -#define USB_PID_UNK_HYPER_PALTEK_WARM 0x005f -#define USB_PID_HANFTEK_UMT_010_COLD 0x0001 -#define USB_PID_HANFTEK_UMT_010_WARM 0x0015 -#define USB_PID_DTT200U_COLD 0x0201 -#define USB_PID_DTT200U_WARM 0x0301 -#define USB_PID_WT220U_ZAP250_COLD 0x0220 -#define USB_PID_WT220U_COLD 0x0222 -#define USB_PID_WT220U_WARM 0x0221 -#define USB_PID_WT220U_FC_COLD 0x0225 -#define USB_PID_WT220U_FC_WARM 0x0226 -#define USB_PID_WT220U_ZL0353_COLD 0x022a -#define USB_PID_WT220U_ZL0353_WARM 0x022b -#define USB_PID_WINTV_NOVA_T_USB2_COLD 0x9300 -#define USB_PID_WINTV_NOVA_T_USB2_WARM 0x9301 -#define USB_PID_HAUPPAUGE_NOVA_T_500 0x9941 -#define USB_PID_HAUPPAUGE_NOVA_T_500_2 0x9950 -#define USB_PID_HAUPPAUGE_NOVA_T_500_3 0x8400 -#define USB_PID_HAUPPAUGE_NOVA_T_STICK 0x7050 -#define USB_PID_HAUPPAUGE_NOVA_T_STICK_2 0x7060 -#define USB_PID_HAUPPAUGE_NOVA_T_STICK_3 0x7070 -#define USB_PID_HAUPPAUGE_MYTV_T 0x7080 -#define USB_PID_HAUPPAUGE_NOVA_TD_STICK 0x9580 -#define USB_PID_HAUPPAUGE_NOVA_TD_STICK_52009 0x5200 -#define USB_PID_HAUPPAUGE_TIGER_ATSC 0xb200 -#define USB_PID_HAUPPAUGE_TIGER_ATSC_B210 0xb210 -#define USB_PID_AVERMEDIA_EXPRESS 0xb568 -#define USB_PID_AVERMEDIA_VOLAR 0xa807 -#define USB_PID_AVERMEDIA_VOLAR_2 0xb808 -#define USB_PID_AVERMEDIA_VOLAR_A868R 0xa868 -#define USB_PID_AVERMEDIA_MCE_USB_M038 0x1228 -#define USB_PID_AVERMEDIA_HYBRID_ULTRA_USB_M039R 0x0039 -#define USB_PID_AVERMEDIA_HYBRID_ULTRA_USB_M039R_ATSC 0x1039 -#define USB_PID_AVERMEDIA_HYBRID_ULTRA_USB_M039R_DVBT 0x2039 -#define USB_PID_AVERMEDIA_VOLAR_X 0xa815 -#define USB_PID_AVERMEDIA_VOLAR_X_2 0x8150 -#define USB_PID_AVERMEDIA_A309 0xa309 -#define USB_PID_AVERMEDIA_A310 0xa310 -#define USB_PID_AVERMEDIA_A850 0x850a -#define USB_PID_AVERMEDIA_A850T 0x850b -#define USB_PID_AVERMEDIA_A805 0xa805 -#define USB_PID_AVERMEDIA_A815M 0x815a -#define USB_PID_AVERMEDIA_A835 0xa835 -#define USB_PID_AVERMEDIA_B835 0xb835 -#define USB_PID_AVERMEDIA_A835B_1835 0x1835 -#define USB_PID_AVERMEDIA_A835B_2835 0x2835 -#define USB_PID_AVERMEDIA_A835B_3835 0x3835 -#define USB_PID_AVERMEDIA_A835B_4835 0x4835 -#define USB_PID_AVERMEDIA_1867 0x1867 -#define USB_PID_AVERMEDIA_A867 0xa867 -#define USB_PID_AVERMEDIA_H335 0x0335 -#define USB_PID_AVERMEDIA_TD110 0xa110 -#define USB_PID_AVERMEDIA_TWINSTAR 0x0825 -#define USB_PID_TECHNOTREND_CONNECT_S2400 0x3006 -#define USB_PID_TECHNOTREND_CONNECT_S2400_8KEEPROM 0x3009 -#define USB_PID_TECHNOTREND_CONNECT_CT3650 0x300d -#define USB_PID_TECHNOTREND_CONNECT_S2_4600 0x3011 -#define USB_PID_TECHNOTREND_CONNECT_CT2_4650_CI 0x3012 -#define USB_PID_TECHNOTREND_CONNECT_CT2_4650_CI_2 0x3015 -#define USB_PID_TECHNOTREND_TVSTICK_CT2_4400 0x3014 -#define USB_PID_TECHNOTREND_CONNECT_S2_4650_CI 0x3017 -#define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY 0x005a -#define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY_2 0x0081 -#define USB_PID_TERRATEC_CINERGY_HT_USB_XE 0x0058 -#define USB_PID_TERRATEC_CINERGY_HT_EXPRESS 0x0060 -#define USB_PID_TERRATEC_CINERGY_T_EXPRESS 0x0062 -#define USB_PID_TERRATEC_CINERGY_T_XXS 0x0078 -#define USB_PID_TERRATEC_CINERGY_T_XXS_2 0x00ab -#define USB_PID_TERRATEC_CINERGY_S2_R1 0x00a8 -#define USB_PID_TERRATEC_CINERGY_S2_R2 0x00b0 -#define USB_PID_TERRATEC_CINERGY_S2_R3 0x0102 -#define USB_PID_TERRATEC_CINERGY_S2_R4 0x0105 -#define USB_PID_TERRATEC_H7 0x10b4 -#define USB_PID_TERRATEC_H7_2 0x10a3 -#define USB_PID_TERRATEC_H7_3 0x10a5 -#define USB_PID_TERRATEC_T1 0x10ae -#define USB_PID_TERRATEC_T3 0x10a0 -#define USB_PID_TERRATEC_T5 0x10a1 -#define USB_PID_NOXON_DAB_STICK 0x00b3 -#define USB_PID_NOXON_DAB_STICK_REV2 0x00e0 -#define USB_PID_NOXON_DAB_STICK_REV3 0x00b4 -#define USB_PID_PINNACLE_EXPRESSCARD_320CX 0x022e -#define USB_PID_PINNACLE_PCTV2000E 0x022c -#define USB_PID_PINNACLE_PCTV_DVB_T_FLASH 0x0228 -#define USB_PID_PINNACLE_PCTV_DUAL_DIVERSITY_DVB_T 0x0229 -#define USB_PID_PINNACLE_PCTV71E 0x022b -#define USB_PID_PINNACLE_PCTV72E 0x0236 -#define USB_PID_PINNACLE_PCTV73E 0x0237 -#define USB_PID_PINNACLE_PCTV310E 0x3211 -#define USB_PID_PINNACLE_PCTV801E 0x023a -#define USB_PID_PINNACLE_PCTV801E_SE 0x023b -#define USB_PID_PINNACLE_PCTV340E 0x023d -#define USB_PID_PINNACLE_PCTV340E_SE 0x023e -#define USB_PID_PINNACLE_PCTV73A 0x0243 -#define USB_PID_PINNACLE_PCTV73ESE 0x0245 -#define USB_PID_PINNACLE_PCTV74E 0x0246 -#define USB_PID_PINNACLE_PCTV282E 0x0248 -#define USB_PID_PIXELVIEW_SBTVD 0x5010 -#define USB_PID_PCTV_200E 0x020e -#define USB_PID_PCTV_400E 0x020f -#define USB_PID_PCTV_450E 0x0222 -#define USB_PID_PCTV_452E 0x021f -#define USB_PID_PCTV_78E 0x025a -#define USB_PID_PCTV_79E 0x0262 -#define USB_PID_REALTEK_RTL2831U 0x2831 -#define USB_PID_REALTEK_RTL2832U 0x2832 -#define USB_PID_TECHNOTREND_CONNECT_S2_3600 0x3007 -#define USB_PID_TECHNOTREND_CONNECT_S2_3650_CI 0x300a -#define USB_PID_NEBULA_DIGITV 0x0201 -#define USB_PID_DVICO_BLUEBIRD_LGDT 0xd820 -#define USB_PID_DVICO_BLUEBIRD_LG064F_COLD 0xd500 -#define USB_PID_DVICO_BLUEBIRD_LG064F_WARM 0xd501 -#define USB_PID_DVICO_BLUEBIRD_LGZ201_COLD 0xdb00 -#define USB_PID_DVICO_BLUEBIRD_LGZ201_WARM 0xdb01 -#define USB_PID_DVICO_BLUEBIRD_TH7579_COLD 0xdb10 -#define USB_PID_DVICO_BLUEBIRD_TH7579_WARM 0xdb11 -#define USB_PID_DVICO_BLUEBIRD_DUAL_1_COLD 0xdb50 -#define USB_PID_DVICO_BLUEBIRD_DUAL_1_WARM 0xdb51 -#define USB_PID_DVICO_BLUEBIRD_DUAL_2_COLD 0xdb58 -#define USB_PID_DVICO_BLUEBIRD_DUAL_2_WARM 0xdb59 -#define USB_PID_DVICO_BLUEBIRD_DUAL_4 0xdb78 -#define USB_PID_DVICO_BLUEBIRD_DUAL_4_REV_2 0xdb98 -#define USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2 0xdb70 -#define USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2_NFW_WARM 0xdb71 -#define USB_PID_DIGITALNOW_BLUEBIRD_DUAL_1_COLD 0xdb54 -#define USB_PID_DIGITALNOW_BLUEBIRD_DUAL_1_WARM 0xdb55 -#define USB_PID_MEDION_MD95700 0x0932 -#define USB_PID_MSI_MEGASKY580 0x5580 -#define USB_PID_MSI_MEGASKY580_55801 0x5581 -#define USB_PID_KYE_DVB_T_COLD 0x701e -#define USB_PID_KYE_DVB_T_WARM 0x701f -#define USB_PID_LITEON_DVB_T_COLD 0xf000 -#define USB_PID_LITEON_DVB_T_WARM 0xf001 -#define USB_PID_DIGIVOX_MINI_SL_COLD 0xe360 -#define USB_PID_DIGIVOX_MINI_SL_WARM 0xe361 -#define USB_PID_GRANDTEC_DVBT_USB2_COLD 0x0bc6 -#define USB_PID_GRANDTEC_DVBT_USB2_WARM 0x0bc7 -#define USB_PID_WINFAST_DTV2000DS 0x6a04 -#define USB_PID_WINFAST_DTV2000DS_PLUS 0x6f12 -#define USB_PID_WINFAST_DTV_DONGLE_COLD 0x6025 -#define USB_PID_WINFAST_DTV_DONGLE_WARM 0x6026 -#define USB_PID_WINFAST_DTV_DONGLE_STK7700P 0x6f00 -#define USB_PID_WINFAST_DTV_DONGLE_H 0x60f6 -#define USB_PID_WINFAST_DTV_DONGLE_STK7700P_2 0x6f01 -#define USB_PID_WINFAST_DTV_DONGLE_GOLD 0x6029 -#define USB_PID_WINFAST_DTV_DONGLE_MINID 0x6f0f -#define USB_PID_GENPIX_8PSK_REV_1_COLD 0x0200 -#define USB_PID_GENPIX_8PSK_REV_1_WARM 0x0201 -#define USB_PID_GENPIX_8PSK_REV_2 0x0202 -#define USB_PID_GENPIX_SKYWALKER_1 0x0203 -#define USB_PID_GENPIX_SKYWALKER_CW3K 0x0204 -#define USB_PID_GENPIX_SKYWALKER_2 0x0206 -#define USB_PID_SIGMATEK_DVB_110 0x6610 -#define USB_PID_MSI_DIGI_VOX_MINI_II 0x1513 -#define USB_PID_MSI_DIGIVOX_DUO 0x8801 -#define USB_PID_OPERA1_COLD 0x2830 -#define USB_PID_OPERA1_WARM 0x3829 -#define USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD 0x0514 -#define USB_PID_LIFEVIEW_TV_WALKER_TWIN_WARM 0x0513 -#define USB_PID_GIGABYTE_U7000 0x7001 -#define USB_PID_GIGABYTE_U8000 0x7002 -#define USB_PID_ASUS_U3000 0x171f -#define USB_PID_ASUS_U3000H 0x1736 -#define USB_PID_ASUS_U3100 0x173f -#define USB_PID_ASUS_U3100MINI_PLUS 0x1779 -#define USB_PID_YUAN_EC372S 0x1edc -#define USB_PID_YUAN_STK7700PH 0x1f08 -#define USB_PID_YUAN_PD378S 0x2edc -#define USB_PID_YUAN_MC770 0x0871 -#define USB_PID_YUAN_STK7700D 0x1efc -#define USB_PID_YUAN_STK7700D_2 0x1e8c -#define USB_PID_DW2102 0x2102 -#define USB_PID_DW2104 0x2104 -#define USB_PID_DW3101 0x3101 -#define USB_PID_XTENSIONS_XD_380 0x0381 -#define USB_PID_TELESTAR_STARSTICK_2 0x8000 -#define USB_PID_MSI_DIGI_VOX_MINI_III 0x8807 -#define USB_PID_SONY_PLAYTV 0x0003 -#define USB_PID_MYGICA_D689 0xd811 -#define USB_PID_MYGICA_T230 0xc688 -#define USB_PID_ELGATO_EYETV_DIVERSITY 0x0011 -#define USB_PID_ELGATO_EYETV_DTT 0x0021 -#define USB_PID_ELGATO_EYETV_DTT_2 0x003f -#define USB_PID_ELGATO_EYETV_DTT_Dlx 0x0020 -#define USB_PID_ELGATO_EYETV_SAT 0x002a -#define USB_PID_ELGATO_EYETV_SAT_V2 0x0025 -#define USB_PID_ELGATO_EYETV_SAT_V3 0x0036 -#define USB_PID_DVB_T_USB_STICK_HIGH_SPEED_COLD 0x5000 -#define USB_PID_DVB_T_USB_STICK_HIGH_SPEED_WARM 0x5001 -#define USB_PID_FRIIO_WHITE 0x0001 -#define USB_PID_TVWAY_PLUS 0x0002 -#define USB_PID_SVEON_STV20 0xe39d -#define USB_PID_SVEON_STV20_RTL2832U 0xd39d -#define USB_PID_SVEON_STV21 0xd3b0 -#define USB_PID_SVEON_STV22 0xe401 -#define USB_PID_SVEON_STV22_IT9137 0xe411 -#define USB_PID_AZUREWAVE_AZ6027 0x3275 -#define USB_PID_TERRATEC_DVBS2CI_V1 0x10a4 -#define USB_PID_TERRATEC_DVBS2CI_V2 0x10ac -#define USB_PID_TECHNISAT_USB2_HDCI_V1 0x0001 -#define USB_PID_TECHNISAT_USB2_HDCI_V2 0x0002 -#define USB_PID_TECHNISAT_USB2_CABLESTAR_HDCI 0x0003 -#define USB_PID_TECHNISAT_AIRSTAR_TELESTICK_2 0x0004 -#define USB_PID_TECHNISAT_USB2_DVB_S2 0x0500 -#define USB_PID_CPYTO_REDI_PC50A 0xa803 -#define USB_PID_CTVDIGDUAL_V2 0xe410 -#define USB_PID_PCTV_2002E 0x025c -#define USB_PID_PCTV_2002E_SE 0x025d -#define USB_PID_SVEON_STV27 0xd3af -#define USB_PID_TURBOX_DTT_2000 0xd3a4 -#define USB_PID_WINTV_SOLOHD 0x0264 -#define USB_PID_EVOLVEO_XTRATV_STICK 0xa115 -#define USB_PID_HAMA_DVBT_HYBRID 0x2758 -#endif diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c index 3f6c8bd8f869..b462ebc0c544 100644 --- a/drivers/media/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb-core/dvb_ca_en50221.c @@ -37,8 +37,8 @@ #include <linux/sched/signal.h> #include <linux/kthread.h> -#include "dvb_ca_en50221.h" -#include "dvb_ringbuffer.h" +#include <media/dvb_ca_en50221.h> +#include <media/dvb_ringbuffer.h> static int dvb_ca_en50221_debug; @@ -786,7 +786,7 @@ exit: * @ca: CA instance. * @slot: Slot to write to. * @buf: The data in this buffer is treated as a complete link-level packet to - * be written. + * be written. * @bytes_write: Size of ebuf. * * return: Number of bytes written, or < 0 on error. @@ -1473,6 +1473,9 @@ static ssize_t dvb_ca_en50221_io_write(struct file *file, return -EFAULT; buf += 2; count -= 2; + + if (slot >= ca->slot_count) + return -EINVAL; sl = &ca->slot_info[slot]; /* check if the slot is actually running */ diff --git a/drivers/media/dvb-core/dvb_ca_en50221.h b/drivers/media/dvb-core/dvb_ca_en50221.h deleted file mode 100644 index 367687d2b41a..000000000000 --- a/drivers/media/dvb-core/dvb_ca_en50221.h +++ /dev/null @@ -1,142 +0,0 @@ -/* - * dvb_ca.h: generic DVB functions for EN50221 CA interfaces - * - * Copyright (C) 2004 Andrew de Quincey - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * as published by the Free Software Foundation; either version 2.1 - * of the License, or (at your option) any later version. - * - * 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 _DVB_CA_EN50221_H_ -#define _DVB_CA_EN50221_H_ - -#include <linux/list.h> -#include <linux/dvb/ca.h> - -#include "dvbdev.h" - -#define DVB_CA_EN50221_POLL_CAM_PRESENT 1 -#define DVB_CA_EN50221_POLL_CAM_CHANGED 2 -#define DVB_CA_EN50221_POLL_CAM_READY 4 - -#define DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE 1 -#define DVB_CA_EN50221_FLAG_IRQ_FR 2 -#define DVB_CA_EN50221_FLAG_IRQ_DA 4 - -#define DVB_CA_EN50221_CAMCHANGE_REMOVED 0 -#define DVB_CA_EN50221_CAMCHANGE_INSERTED 1 - -/** - * struct dvb_ca_en50221- Structure describing a CA interface - * - * @owner: the module owning this structure - * @read_attribute_mem: function for reading attribute memory on the CAM - * @write_attribute_mem: function for writing attribute memory on the CAM - * @read_cam_control: function for reading the control interface on the CAM - * @write_cam_control: function for reading the control interface on the CAM - * @read_data: function for reading data (block mode) - * @write_data: function for writing data (block mode) - * @slot_reset: function to reset the CAM slot - * @slot_shutdown: function to shutdown a CAM slot - * @slot_ts_enable: function to enable the Transport Stream on a CAM slot - * @poll_slot_status: function to poll slot status. Only necessary if - * DVB_CA_FLAG_EN50221_IRQ_CAMCHANGE is not set. - * @data: private data, used by caller. - * @private: Opaque data used by the dvb_ca core. Do not modify! - * - * NOTE: the read_*, write_* and poll_slot_status functions will be - * called for different slots concurrently and need to use locks where - * and if appropriate. There will be no concurrent access to one slot. - */ -struct dvb_ca_en50221 { - struct module *owner; - - int (*read_attribute_mem)(struct dvb_ca_en50221 *ca, - int slot, int address); - int (*write_attribute_mem)(struct dvb_ca_en50221 *ca, - int slot, int address, u8 value); - - int (*read_cam_control)(struct dvb_ca_en50221 *ca, - int slot, u8 address); - int (*write_cam_control)(struct dvb_ca_en50221 *ca, - int slot, u8 address, u8 value); - - int (*read_data)(struct dvb_ca_en50221 *ca, - int slot, u8 *ebuf, int ecount); - int (*write_data)(struct dvb_ca_en50221 *ca, - int slot, u8 *ebuf, int ecount); - - int (*slot_reset)(struct dvb_ca_en50221 *ca, int slot); - int (*slot_shutdown)(struct dvb_ca_en50221 *ca, int slot); - int (*slot_ts_enable)(struct dvb_ca_en50221 *ca, int slot); - - int (*poll_slot_status)(struct dvb_ca_en50221 *ca, int slot, int open); - - void *data; - - void *private; -}; - -/* - * Functions for reporting IRQ events - */ - -/** - * dvb_ca_en50221_camchange_irq - A CAMCHANGE IRQ has occurred. - * - * @pubca: CA instance. - * @slot: Slot concerned. - * @change_type: One of the DVB_CA_CAMCHANGE_* values - */ -void dvb_ca_en50221_camchange_irq(struct dvb_ca_en50221 *pubca, int slot, - int change_type); - -/** - * dvb_ca_en50221_camready_irq - A CAMREADY IRQ has occurred. - * - * @pubca: CA instance. - * @slot: Slot concerned. - */ -void dvb_ca_en50221_camready_irq(struct dvb_ca_en50221 *pubca, int slot); - -/** - * dvb_ca_en50221_frda_irq - An FR or a DA IRQ has occurred. - * - * @ca: CA instance. - * @slot: Slot concerned. - */ -void dvb_ca_en50221_frda_irq(struct dvb_ca_en50221 *ca, int slot); - -/* - * Initialisation/shutdown functions - */ - -/** - * dvb_ca_en50221_init - Initialise a new DVB CA device. - * - * @dvb_adapter: DVB adapter to attach the new CA device to. - * @ca: The dvb_ca instance. - * @flags: Flags describing the CA device (DVB_CA_EN50221_FLAG_*). - * @slot_count: Number of slots supported. - * - * @return 0 on success, nonzero on failure - */ -int dvb_ca_en50221_init(struct dvb_adapter *dvb_adapter, - struct dvb_ca_en50221 *ca, int flags, - int slot_count); - -/** - * dvb_ca_en50221_release - Release a DVB CA device. - * - * @ca: The associated dvb_ca instance. - */ -void dvb_ca_en50221_release(struct dvb_ca_en50221 *ca); - -#endif diff --git a/drivers/media/dvb-core/dvb_demux.c b/drivers/media/dvb-core/dvb_demux.c index acade7543b82..210eed0269b0 100644 --- a/drivers/media/dvb-core/dvb_demux.c +++ b/drivers/media/dvb-core/dvb_demux.c @@ -30,7 +30,7 @@ #include <linux/uaccess.h> #include <asm/div64.h> -#include "dvb_demux.h" +#include <media/dvb_demux.h> static int dvb_demux_tscheck; module_param(dvb_demux_tscheck, int, 0644); @@ -119,7 +119,8 @@ static inline int dvb_dmx_swfilter_payload(struct dvb_demux_feed *feed, ccok = ((feed->cc + 1) & 0x0f) == cc; feed->cc = cc; if (!ccok) - dprintk("missed packet!\n"); + dprintk("missed packet: %d instead of %d!\n", + cc, (feed->cc + 1) & 0x0f); #endif if (buf[1] & 0x40) // PUSI ? @@ -188,7 +189,7 @@ static void dvb_dmx_swfilter_section_new(struct dvb_demux_feed *feed) #ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG if (sec->secbufp < sec->tsfeedp) { - int i, n = sec->tsfeedp - sec->secbufp; + int n = sec->tsfeedp - sec->secbufp; /* * Section padding is done with 0xff bytes entirely. @@ -196,12 +197,9 @@ static void dvb_dmx_swfilter_section_new(struct dvb_demux_feed *feed) * but just first and last. */ if (sec->secbuf[0] != 0xff || sec->secbuf[n - 1] != 0xff) { - dprintk("dvb_demux.c section ts padding loss: %d/%d\n", + dprintk("section ts padding loss: %d/%d\n", n, sec->tsfeedp); - dprintk("dvb_demux.c pad data:"); - for (i = 0; i < n; i++) - pr_cont(" %02x", sec->secbuf[i]); - pr_cont("\n"); + dprintk("pad data: %*ph\n", n, sec->secbuf); } } #endif @@ -240,9 +238,9 @@ static int dvb_dmx_swfilter_section_copy_dump(struct dvb_demux_feed *feed, if (sec->tsfeedp + len > DMX_MAX_SECFEED_SIZE) { #ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG - dprintk("dvb_demux.c section buffer full loss: %d/%d\n", - sec->tsfeedp + len - DMX_MAX_SECFEED_SIZE, - DMX_MAX_SECFEED_SIZE); + dprintk("section buffer full loss: %d/%d\n", + sec->tsfeedp + len - DMX_MAX_SECFEED_SIZE, + DMX_MAX_SECFEED_SIZE); #endif len = DMX_MAX_SECFEED_SIZE - sec->tsfeedp; } @@ -275,7 +273,7 @@ static int dvb_dmx_swfilter_section_copy_dump(struct dvb_demux_feed *feed, dvb_dmx_swfilter_section_feed(feed); #ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG else - dprintk("dvb_demux.c pusi not seen, discarding section data\n"); + dprintk("pusi not seen, discarding section data\n"); #endif sec->secbufp += seclen; /* secbufp and secbuf moving together is */ sec->secbuf += seclen; /* redundant but saves pointer arithmetic */ @@ -310,8 +308,12 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed, if (!ccok || dc_i) { #ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG - dprintk("dvb_demux.c discontinuity detected %d bytes lost\n", - count); + if (dc_i) + dprintk("%d frame with disconnect indicator\n", + cc); + else + dprintk("discontinuity: %d instead of %d. %d bytes lost\n", + cc, (feed->cc + 1) & 0x0f, count + 4); /* * those bytes under sume circumstances will again be reported * in the following dvb_dmx_swfilter_section_new @@ -320,6 +322,9 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed, /* * Discontinuity detected. Reset pusi_seen to * stop feeding of suspicious data until next PUSI=1 arrives + * + * FIXME: does it make sense if the MPEG-TS is the one + * reporting discontinuity? */ feed->pusi_seen = false; dvb_dmx_swfilter_section_new(feed); @@ -343,8 +348,7 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed, } #ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG else if (count > 0) - dprintk("dvb_demux.c PUSI=1 but %d bytes lost\n", - count); + dprintk("PUSI=1 but %d bytes lost\n", count); #endif } else { /* PUSI=0 (is not set), no section boundary */ @@ -414,9 +418,10 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf) 1024); speed_timedelta = ktime_ms_delta(cur_time, demux->speed_last_time); - dprintk("TS speed %llu Kbits/sec \n", - div64_u64(speed_bytes, - speed_timedelta)); + if (speed_timedelta) + dprintk("TS speed %llu Kbits/sec \n", + div64_u64(speed_bytes, + speed_timedelta)); } demux->speed_last_time = cur_time; @@ -441,8 +446,8 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf) if ((buf[3] & 0xf) != demux->cnt_storage[pid]) { dprintk_tscheck("TS packet counter mismatch. PID=0x%x expected 0x%x got 0x%x\n", - pid, demux->cnt_storage[pid], - buf[3] & 0xf); + pid, demux->cnt_storage[pid], + buf[3] & 0xf); demux->cnt_storage[pid] = buf[3] & 0xf; } } diff --git a/drivers/media/dvb-core/dvb_demux.h b/drivers/media/dvb-core/dvb_demux.h deleted file mode 100644 index cc048f09aa85..000000000000 --- a/drivers/media/dvb-core/dvb_demux.h +++ /dev/null @@ -1,345 +0,0 @@ -/* - * dvb_demux.h: DVB kernel demux API - * - * Copyright (C) 2000-2001 Marcus Metzler & Ralph Metzler - * for convergence integrated media GmbH - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * as published by the Free Software Foundation; either version 2.1 - * of the License, or (at your option) any later version. - * - * 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 _DVB_DEMUX_H_ -#define _DVB_DEMUX_H_ - -#include <linux/time.h> -#include <linux/timer.h> -#include <linux/spinlock.h> -#include <linux/mutex.h> - -#include "demux.h" - -/** - * enum dvb_dmx_filter_type - type of demux feed. - * - * @DMX_TYPE_TS: feed is in TS mode. - * @DMX_TYPE_SEC: feed is in Section mode. - */ -enum dvb_dmx_filter_type { - DMX_TYPE_TS, - DMX_TYPE_SEC, -}; - -/** - * enum dvb_dmx_state - state machine for a demux filter. - * - * @DMX_STATE_FREE: indicates that the filter is freed. - * @DMX_STATE_ALLOCATED: indicates that the filter was allocated - * to be used. - * @DMX_STATE_READY: indicates that the filter is ready - * to be used. - * @DMX_STATE_GO: indicates that the filter is running. - */ -enum dvb_dmx_state { - DMX_STATE_FREE, - DMX_STATE_ALLOCATED, - DMX_STATE_READY, - DMX_STATE_GO, -}; - -#define DVB_DEMUX_MASK_MAX 18 - -#define MAX_PID 0x1fff - -#define SPEED_PKTS_INTERVAL 50000 - -/** - * struct dvb_demux_filter - Describes a DVB demux section filter. - * - * @filter: Section filter as defined by &struct dmx_section_filter. - * @maskandmode: logical ``and`` bit mask. - * @maskandnotmode: logical ``and not`` bit mask. - * @doneq: flag that indicates when a filter is ready. - * @next: pointer to the next section filter. - * @feed: &struct dvb_demux_feed pointer. - * @index: index of the used demux filter. - * @state: state of the filter as described by &enum dvb_dmx_state. - * @type: type of the filter as described - * by &enum dvb_dmx_filter_type. - */ - -struct dvb_demux_filter { - struct dmx_section_filter filter; - u8 maskandmode[DMX_MAX_FILTER_SIZE]; - u8 maskandnotmode[DMX_MAX_FILTER_SIZE]; - bool doneq; - - struct dvb_demux_filter *next; - struct dvb_demux_feed *feed; - int index; - enum dvb_dmx_state state; - enum dvb_dmx_filter_type type; - - /* private: used only by av7110 */ - u16 hw_handle; -}; - -/** - * struct dvb_demux_feed - describes a DVB field - * - * @feed: a digital TV feed. It can either be a TS or a section feed: - * if the feed is TS, it contains &struct dvb_ts_feed @ts; - * if the feed is section, it contains - * &struct dmx_section_feed @sec. - * @cb: digital TV callbacks. depending on the feed type, it can be: - * if the feed is TS, it contains a dmx_ts_cb() @ts callback; - * if the feed is section, it contains a dmx_section_cb() @sec - * callback. - * - * @demux: pointer to &struct dvb_demux. - * @priv: private data that can optionally be used by a DVB driver. - * @type: type of the filter, as defined by &enum dvb_dmx_filter_type. - * @state: state of the filter as defined by &enum dvb_dmx_state. - * @pid: PID to be filtered. - * @timeout: feed timeout. - * @filter: pointer to &struct dvb_demux_filter. - * @ts_type: type of TS, as defined by &enum ts_filter_type. - * @pes_type: type of PES, as defined by &enum dmx_ts_pes. - * @cc: MPEG-TS packet continuity counter - * @pusi_seen: if true, indicates that a discontinuity was detected. - * it is used to prevent feeding of garbage from previous section. - * @peslen: length of the PES (Packet Elementary Stream). - * @list_head: head for the list of digital TV demux feeds. - * @index: a unique index for each feed. Can be used as hardware - * pid filter index. - */ -struct dvb_demux_feed { - union { - struct dmx_ts_feed ts; - struct dmx_section_feed sec; - } feed; - - union { - dmx_ts_cb ts; - dmx_section_cb sec; - } cb; - - struct dvb_demux *demux; - void *priv; - enum dvb_dmx_filter_type type; - enum dvb_dmx_state state; - u16 pid; - - ktime_t timeout; - struct dvb_demux_filter *filter; - - enum ts_filter_type ts_type; - enum dmx_ts_pes pes_type; - - int cc; - bool pusi_seen; - - u16 peslen; - - struct list_head list_head; - unsigned int index; -}; - -/** - * struct dvb_demux - represents a digital TV demux - * @dmx: embedded &struct dmx_demux with demux capabilities - * and callbacks. - * @priv: private data that can optionally be used by - * a DVB driver. - * @filternum: maximum amount of DVB filters. - * @feednum: maximum amount of DVB feeds. - * @start_feed: callback routine to be called in order to start - * a DVB feed. - * @stop_feed: callback routine to be called in order to stop - * a DVB feed. - * @write_to_decoder: callback routine to be called if the feed is TS and - * it is routed to an A/V decoder, when a new TS packet - * is received. - * Used only on av7110-av.c. - * @check_crc32: callback routine to check CRC. If not initialized, - * dvb_demux will use an internal one. - * @memcopy: callback routine to memcopy received data. - * If not initialized, dvb_demux will default to memcpy(). - * @users: counter for the number of demux opened file descriptors. - * Currently, it is limited to 10 users. - * @filter: pointer to &struct dvb_demux_filter. - * @feed: pointer to &struct dvb_demux_feed. - * @frontend_list: &struct list_head with frontends used by the demux. - * @pesfilter: array of &struct dvb_demux_feed with the PES types - * that will be filtered. - * @pids: list of filtered program IDs. - * @feed_list: &struct list_head with feeds. - * @tsbuf: temporary buffer used internally to store TS packets. - * @tsbufp: temporary buffer index used internally. - * @mutex: pointer to &struct mutex used to protect feed set - * logic. - * @lock: pointer to &spinlock_t, used to protect buffer handling. - * @cnt_storage: buffer used for TS/TEI continuity check. - * @speed_last_time: &ktime_t used for TS speed check. - * @speed_pkts_cnt: packets count used for TS speed check. - */ -struct dvb_demux { - struct dmx_demux dmx; - void *priv; - int filternum; - int feednum; - int (*start_feed)(struct dvb_demux_feed *feed); - int (*stop_feed)(struct dvb_demux_feed *feed); - int (*write_to_decoder)(struct dvb_demux_feed *feed, - const u8 *buf, size_t len); - u32 (*check_crc32)(struct dvb_demux_feed *feed, - const u8 *buf, size_t len); - void (*memcopy)(struct dvb_demux_feed *feed, u8 *dst, - const u8 *src, size_t len); - - int users; -#define MAX_DVB_DEMUX_USERS 10 - struct dvb_demux_filter *filter; - struct dvb_demux_feed *feed; - - struct list_head frontend_list; - - struct dvb_demux_feed *pesfilter[DMX_PES_OTHER]; - u16 pids[DMX_PES_OTHER]; - -#define DMX_MAX_PID 0x2000 - struct list_head feed_list; - u8 tsbuf[204]; - int tsbufp; - - struct mutex mutex; - spinlock_t lock; - - uint8_t *cnt_storage; /* for TS continuity check */ - - ktime_t speed_last_time; /* for TS speed check */ - uint32_t speed_pkts_cnt; /* for TS speed check */ - - /* private: used only on av7110 */ - int playing; - int recording; -}; - -/** - * dvb_dmx_init - initialize a digital TV demux struct. - * - * @demux: &struct dvb_demux to be initialized. - * - * Before being able to register a digital TV demux struct, drivers - * should call this routine. On its typical usage, some fields should - * be initialized at the driver before calling it. - * - * A typical usecase is:: - * - * dvb->demux.dmx.capabilities = - * DMX_TS_FILTERING | DMX_SECTION_FILTERING | - * DMX_MEMORY_BASED_FILTERING; - * dvb->demux.priv = dvb; - * dvb->demux.filternum = 256; - * dvb->demux.feednum = 256; - * dvb->demux.start_feed = driver_start_feed; - * dvb->demux.stop_feed = driver_stop_feed; - * ret = dvb_dmx_init(&dvb->demux); - * if (ret < 0) - * return ret; - */ -int dvb_dmx_init(struct dvb_demux *demux); - -/** - * dvb_dmx_release - releases a digital TV demux internal buffers. - * - * @demux: &struct dvb_demux to be released. - * - * The DVB core internally allocates data at @demux. This routine - * releases those data. Please notice that the struct itelf is not - * released, as it can be embedded on other structs. - */ -void dvb_dmx_release(struct dvb_demux *demux); - -/** - * dvb_dmx_swfilter_packets - use dvb software filter for a buffer with - * multiple MPEG-TS packets with 188 bytes each. - * - * @demux: pointer to &struct dvb_demux - * @buf: buffer with data to be filtered - * @count: number of MPEG-TS packets with size of 188. - * - * The routine will discard a DVB packet that don't start with 0x47. - * - * Use this routine if the DVB demux fills MPEG-TS buffers that are - * already aligned. - * - * NOTE: The @buf size should have size equal to ``count * 188``. - */ -void dvb_dmx_swfilter_packets(struct dvb_demux *demux, const u8 *buf, - size_t count); - -/** - * dvb_dmx_swfilter - use dvb software filter for a buffer with - * multiple MPEG-TS packets with 188 bytes each. - * - * @demux: pointer to &struct dvb_demux - * @buf: buffer with data to be filtered - * @count: number of MPEG-TS packets with size of 188. - * - * If a DVB packet doesn't start with 0x47, it will seek for the first - * byte that starts with 0x47. - * - * Use this routine if the DVB demux fill buffers that may not start with - * a packet start mark (0x47). - * - * NOTE: The @buf size should have size equal to ``count * 188``. - */ -void dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf, size_t count); - -/** - * dvb_dmx_swfilter_204 - use dvb software filter for a buffer with - * multiple MPEG-TS packets with 204 bytes each. - * - * @demux: pointer to &struct dvb_demux - * @buf: buffer with data to be filtered - * @count: number of MPEG-TS packets with size of 204. - * - * If a DVB packet doesn't start with 0x47, it will seek for the first - * byte that starts with 0x47. - * - * Use this routine if the DVB demux fill buffers that may not start with - * a packet start mark (0x47). - * - * NOTE: The @buf size should have size equal to ``count * 204``. - */ -void dvb_dmx_swfilter_204(struct dvb_demux *demux, const u8 *buf, - size_t count); - -/** - * dvb_dmx_swfilter_raw - make the raw data available to userspace without - * filtering - * - * @demux: pointer to &struct dvb_demux - * @buf: buffer with data - * @count: number of packets to be passed. The actual size of each packet - * depends on the &dvb_demux->feed->cb.ts logic. - * - * Use it if the driver needs to deliver the raw payload to userspace without - * passing through the kernel demux. That is meant to support some - * delivery systems that aren't based on MPEG-TS. - * - * This function relies on &dvb_demux->feed->cb.ts to actually handle the - * buffer. - */ -void dvb_dmx_swfilter_raw(struct dvb_demux *demux, const u8 *buf, - size_t count); - -#endif /* _DVB_DEMUX_H_ */ diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index 48e16fd003a7..87fc1bcae5ae 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -40,10 +40,11 @@ #include <linux/jiffies.h> #include <linux/kthread.h> #include <linux/ktime.h> +#include <linux/compat.h> #include <asm/processor.h> -#include "dvb_frontend.h" -#include "dvbdev.h" +#include <media/dvb_frontend.h> +#include <media/dvbdev.h> #include <linux/dvb/version.h> static int dvb_frontend_debug; @@ -150,8 +151,7 @@ static void __dvb_frontend_free(struct dvb_frontend *fe) dvb_frontend_invoke_release(fe, fe->ops.release); - if (fepriv) - kfree(fepriv); + kfree(fepriv); } static void dvb_frontend_free(struct kref *ref) @@ -982,6 +982,7 @@ static int dvb_frontend_clear_cache(struct dvb_frontend *fe) } c->stream_id = NO_STREAM_ID_FILTER; + c->scrambling_sequence_index = 0;/* default sequence */ switch (c->delivery_system) { case SYS_DVBS: @@ -1072,6 +1073,7 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = { _DTV_CMD(DTV_STREAM_ID, 1, 0), _DTV_CMD(DTV_DVBT2_PLP_ID_LEGACY, 1, 0), + _DTV_CMD(DTV_SCRAMBLING_SEQUENCE_INDEX, 1, 0), _DTV_CMD(DTV_LNA, 1, 0), /* Get */ @@ -1417,6 +1419,11 @@ static int dtv_property_process_get(struct dvb_frontend *fe, tvp->u.data = c->stream_id; break; + /* Physical layer scrambling support */ + case DTV_SCRAMBLING_SEQUENCE_INDEX: + tvp->u.data = c->scrambling_sequence_index; + break; + /* ATSC-MH */ case DTV_ATSCMH_FIC_VER: tvp->u.data = fe->dtv_property_cache.atscmh_fic_ver; @@ -1900,6 +1907,11 @@ static int dtv_property_process_set(struct dvb_frontend *fe, c->stream_id = data; break; + /* Physical layer scrambling support */ + case DTV_SCRAMBLING_SEQUENCE_INDEX: + c->scrambling_sequence_index = data; + break; + /* ATSC-MH */ case DTV_ATSCMH_PARADE_ID: fe->dtv_property_cache.atscmh_parade_id = data; @@ -1923,7 +1935,8 @@ static int dtv_property_process_set(struct dvb_frontend *fe, return r; } -static int dvb_frontend_ioctl(struct file *file, unsigned int cmd, void *parg) +static int dvb_frontend_do_ioctl(struct file *file, unsigned int cmd, + void *parg) { struct dvb_device *dvbdev = file->private_data; struct dvb_frontend *fe = dvbdev->priv; @@ -1966,6 +1979,156 @@ static int dvb_frontend_ioctl(struct file *file, unsigned int cmd, void *parg) return err; } +static long dvb_frontend_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct dvb_device *dvbdev = file->private_data; + + if (!dvbdev) + return -ENODEV; + + return dvb_usercopy(file, cmd, arg, dvb_frontend_do_ioctl); +} + +#ifdef CONFIG_COMPAT +struct compat_dtv_property { + __u32 cmd; + __u32 reserved[3]; + union { + __u32 data; + struct dtv_fe_stats st; + struct { + __u8 data[32]; + __u32 len; + __u32 reserved1[3]; + compat_uptr_t reserved2; + } buffer; + } u; + int result; +} __attribute__ ((packed)); + +struct compat_dtv_properties { + __u32 num; + compat_uptr_t props; +}; + +#define COMPAT_FE_SET_PROPERTY _IOW('o', 82, struct compat_dtv_properties) +#define COMPAT_FE_GET_PROPERTY _IOR('o', 83, struct compat_dtv_properties) + +static int dvb_frontend_handle_compat_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct dvb_device *dvbdev = file->private_data; + struct dvb_frontend *fe = dvbdev->priv; + struct dvb_frontend_private *fepriv = fe->frontend_priv; + int i, err = 0; + + if (cmd == COMPAT_FE_SET_PROPERTY) { + struct compat_dtv_properties prop, *tvps = NULL; + struct compat_dtv_property *tvp = NULL; + + if (copy_from_user(&prop, compat_ptr(arg), sizeof(prop))) + return -EFAULT; + + tvps = ∝ + + /* + * Put an arbitrary limit on the number of messages that can + * be sent at once + */ + if (!tvps->num || (tvps->num > DTV_IOCTL_MAX_MSGS)) + return -EINVAL; + + tvp = memdup_user(compat_ptr(tvps->props), tvps->num * sizeof(*tvp)); + if (IS_ERR(tvp)) + return PTR_ERR(tvp); + + for (i = 0; i < tvps->num; i++) { + err = dtv_property_process_set(fe, file, + (tvp + i)->cmd, + (tvp + i)->u.data); + if (err < 0) { + kfree(tvp); + return err; + } + } + kfree(tvp); + } else if (cmd == COMPAT_FE_GET_PROPERTY) { + struct compat_dtv_properties prop, *tvps = NULL; + struct compat_dtv_property *tvp = NULL; + struct dtv_frontend_properties getp = fe->dtv_property_cache; + + if (copy_from_user(&prop, compat_ptr(arg), sizeof(prop))) + return -EFAULT; + + tvps = ∝ + + /* + * Put an arbitrary limit on the number of messages that can + * be sent at once + */ + if (!tvps->num || (tvps->num > DTV_IOCTL_MAX_MSGS)) + return -EINVAL; + + tvp = memdup_user(compat_ptr(tvps->props), tvps->num * sizeof(*tvp)); + if (IS_ERR(tvp)) + return PTR_ERR(tvp); + + /* + * Let's use our own copy of property cache, in order to + * avoid mangling with DTV zigzag logic, as drivers might + * return crap, if they don't check if the data is available + * before updating the properties cache. + */ + if (fepriv->state != FESTATE_IDLE) { + err = dtv_get_frontend(fe, &getp, NULL); + if (err < 0) { + kfree(tvp); + return err; + } + } + for (i = 0; i < tvps->num; i++) { + err = dtv_property_process_get( + fe, &getp, (struct dtv_property *)tvp + i, file); + if (err < 0) { + kfree(tvp); + return err; + } + } + + if (copy_to_user((void __user *)compat_ptr(tvps->props), tvp, + tvps->num * sizeof(struct compat_dtv_property))) { + kfree(tvp); + return -EFAULT; + } + kfree(tvp); + } + + return err; +} + +static long dvb_frontend_compat_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct dvb_device *dvbdev = file->private_data; + struct dvb_frontend *fe = dvbdev->priv; + struct dvb_frontend_private *fepriv = fe->frontend_priv; + int err; + + if (cmd == COMPAT_FE_SET_PROPERTY || cmd == COMPAT_FE_GET_PROPERTY) { + if (down_interruptible(&fepriv->sem)) + return -ERESTARTSYS; + + err = dvb_frontend_handle_compat_ioctl(file, cmd, arg); + + up(&fepriv->sem); + return err; + } + + return dvb_frontend_ioctl(file, cmd, (unsigned long)compat_ptr(arg)); +} +#endif + static int dtv_set_frontend(struct dvb_frontend *fe) { struct dvb_frontend_private *fepriv = fe->frontend_priv; @@ -2110,7 +2273,7 @@ static int dvb_frontend_handle_ioctl(struct file *file, struct dvb_frontend *fe = dvbdev->priv; struct dvb_frontend_private *fepriv = fe->frontend_priv; struct dtv_frontend_properties *c = &fe->dtv_property_cache; - int i, err; + int i, err = -ENOTSUPP; dev_dbg(fe->dvb->device, "%s:\n", __func__); @@ -2145,6 +2308,7 @@ static int dvb_frontend_handle_ioctl(struct file *file, } } kfree(tvp); + err = 0; break; } case FE_GET_PROPERTY: { @@ -2196,6 +2360,7 @@ static int dvb_frontend_handle_ioctl(struct file *file, return -EFAULT; } kfree(tvp); + err = 0; break; } @@ -2647,7 +2812,10 @@ static int dvb_frontend_release(struct inode *inode, struct file *file) static const struct file_operations dvb_frontend_fops = { .owner = THIS_MODULE, - .unlocked_ioctl = dvb_generic_ioctl, + .unlocked_ioctl = dvb_frontend_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = dvb_frontend_compat_ioctl, +#endif .poll = dvb_frontend_poll, .open = dvb_frontend_open, .release = dvb_frontend_release, @@ -2715,7 +2883,6 @@ int dvb_register_frontend(struct dvb_adapter* dvb, #if defined(CONFIG_MEDIA_CONTROLLER_DVB) .name = fe->ops.info.name, #endif - .kernel_ioctl = dvb_frontend_ioctl }; dev_dbg(dvb->device, "%s:\n", __func__); diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h deleted file mode 100644 index ace0c2fb26c2..000000000000 --- a/drivers/media/dvb-core/dvb_frontend.h +++ /dev/null @@ -1,790 +0,0 @@ -/* - * dvb_frontend.h - * - * The Digital TV Frontend kABI defines a driver-internal interface for - * registering low-level, hardware specific driver to a hardware independent - * frontend layer. - * - * Copyright (C) 2001 convergence integrated media GmbH - * Copyright (C) 2004 convergence GmbH - * - * Written by Ralph Metzler - * Overhauled by Holger Waechtler - * Kernel I2C stuff by Michael Hunold <hunold@convergence.de> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * as published by the Free Software Foundation; either version 2.1 - * of the License, or (at your option) any later version. - * - * 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. - * - - * You should have received a copy of the GNU Lesser General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - */ - -#ifndef _DVB_FRONTEND_H_ -#define _DVB_FRONTEND_H_ - -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/ioctl.h> -#include <linux/i2c.h> -#include <linux/module.h> -#include <linux/errno.h> -#include <linux/delay.h> -#include <linux/mutex.h> -#include <linux/slab.h> - -#include <linux/dvb/frontend.h> - -#include "dvbdev.h" - -/* - * Maximum number of Delivery systems per frontend. It - * should be smaller or equal to 32 - */ -#define MAX_DELSYS 8 - -/** - * struct dvb_frontend_tune_settings - parameters to adjust frontend tuning - * - * @min_delay_ms: minimum delay for tuning, in ms - * @step_size: step size between two consecutive frequencies - * @max_drift: maximum drift - * - * NOTE: step_size is in Hz, for terrestrial/cable or kHz for satellite - */ -struct dvb_frontend_tune_settings { - int min_delay_ms; - int step_size; - int max_drift; -}; - -struct dvb_frontend; - -/** - * struct dvb_tuner_info - Frontend name and min/max ranges/bandwidths - * - * @name: name of the Frontend - * @frequency_min: minimal frequency supported - * @frequency_max: maximum frequency supported - * @frequency_step: frequency step - * @bandwidth_min: minimal frontend bandwidth supported - * @bandwidth_max: maximum frontend bandwidth supported - * @bandwidth_step: frontend bandwidth step - * - * NOTE: frequency parameters are in Hz, for terrestrial/cable or kHz for - * satellite. - */ -struct dvb_tuner_info { - char name[128]; - - u32 frequency_min; - u32 frequency_max; - u32 frequency_step; - - u32 bandwidth_min; - u32 bandwidth_max; - u32 bandwidth_step; -}; - -/** - * struct analog_parameters - Parameters to tune into an analog/radio channel - * - * @frequency: Frequency used by analog TV tuner (either in 62.5 kHz step, - * for TV, or 62.5 Hz for radio) - * @mode: Tuner mode, as defined on enum v4l2_tuner_type - * @audmode: Audio mode as defined for the rxsubchans field at videodev2.h, - * e. g. V4L2_TUNER_MODE_* - * @std: TV standard bitmap as defined at videodev2.h, e. g. V4L2_STD_* - * - * Hybrid tuners should be supported by both V4L2 and DVB APIs. This - * struct contains the data that are used by the V4L2 side. To avoid - * dependencies from V4L2 headers, all enums here are declared as integers. - */ -struct analog_parameters { - unsigned int frequency; - unsigned int mode; - unsigned int audmode; - u64 std; -}; - -/** - * enum dvbfe_algo - defines the algorithm used to tune into a channel - * - * @DVBFE_ALGO_HW: Hardware Algorithm - - * Devices that support this algorithm do everything in hardware - * and no software support is needed to handle them. - * Requesting these devices to LOCK is the only thing required, - * device is supposed to do everything in the hardware. - * - * @DVBFE_ALGO_SW: Software Algorithm - - * These are dumb devices, that require software to do everything - * - * @DVBFE_ALGO_CUSTOM: Customizable Agorithm - - * Devices having this algorithm can be customized to have specific - * algorithms in the frontend driver, rather than simply doing a - * software zig-zag. In this case the zigzag maybe hardware assisted - * or it maybe completely done in hardware. In all cases, usage of - * this algorithm, in conjunction with the search and track - * callbacks, utilizes the driver specific algorithm. - * - * @DVBFE_ALGO_RECOVERY: Recovery Algorithm - - * These devices have AUTO recovery capabilities from LOCK failure - */ -enum dvbfe_algo { - DVBFE_ALGO_HW = (1 << 0), - DVBFE_ALGO_SW = (1 << 1), - DVBFE_ALGO_CUSTOM = (1 << 2), - DVBFE_ALGO_RECOVERY = (1 << 31) -}; - -/** - * enum dvbfe_search - search callback possible return status - * - * @DVBFE_ALGO_SEARCH_SUCCESS: - * The frontend search algorithm completed and returned successfully - * - * @DVBFE_ALGO_SEARCH_ASLEEP: - * The frontend search algorithm is sleeping - * - * @DVBFE_ALGO_SEARCH_FAILED: - * The frontend search for a signal failed - * - * @DVBFE_ALGO_SEARCH_INVALID: - * The frontend search algorith was probably supplied with invalid - * parameters and the search is an invalid one - * - * @DVBFE_ALGO_SEARCH_ERROR: - * The frontend search algorithm failed due to some error - * - * @DVBFE_ALGO_SEARCH_AGAIN: - * The frontend search algorithm was requested to search again - */ -enum dvbfe_search { - DVBFE_ALGO_SEARCH_SUCCESS = (1 << 0), - DVBFE_ALGO_SEARCH_ASLEEP = (1 << 1), - DVBFE_ALGO_SEARCH_FAILED = (1 << 2), - DVBFE_ALGO_SEARCH_INVALID = (1 << 3), - DVBFE_ALGO_SEARCH_AGAIN = (1 << 4), - DVBFE_ALGO_SEARCH_ERROR = (1 << 31), -}; - -/** - * struct dvb_tuner_ops - Tuner information and callbacks - * - * @info: embedded &struct dvb_tuner_info with tuner properties - * @release: callback function called when frontend is detached. - * drivers should free any allocated memory. - * @init: callback function used to initialize the tuner device. - * @sleep: callback function used to put the tuner to sleep. - * @suspend: callback function used to inform that the Kernel will - * suspend. - * @resume: callback function used to inform that the Kernel is - * resuming from suspend. - * @set_params: callback function used to inform the tuner to tune - * into a digital TV channel. The properties to be used - * are stored at &struct dvb_frontend.dtv_property_cache. - * The tuner demod can change the parameters to reflect - * the changes needed for the channel to be tuned, and - * update statistics. This is the recommended way to set - * the tuner parameters and should be used on newer - * drivers. - * @set_analog_params: callback function used to tune into an analog TV - * channel on hybrid tuners. It passes @analog_parameters - * to the driver. - * @set_config: callback function used to send some tuner-specific - * parameters. - * @get_frequency: get the actual tuned frequency - * @get_bandwidth: get the bandwitdh used by the low pass filters - * @get_if_frequency: get the Intermediate Frequency, in Hz. For baseband, - * should return 0. - * @get_status: returns the frontend lock status - * @get_rf_strength: returns the RF signal strength. Used mostly to support - * analog TV and radio. Digital TV should report, instead, - * via DVBv5 API (&struct dvb_frontend.dtv_property_cache). - * @get_afc: Used only by analog TV core. Reports the frequency - * drift due to AFC. - * @calc_regs: callback function used to pass register data settings - * for simple tuners. Shouldn't be used on newer drivers. - * @set_frequency: Set a new frequency. Shouldn't be used on newer drivers. - * @set_bandwidth: Set a new frequency. Shouldn't be used on newer drivers. - * - * NOTE: frequencies used on @get_frequency and @set_frequency are in Hz for - * terrestrial/cable or kHz for satellite. - * - */ -struct dvb_tuner_ops { - - struct dvb_tuner_info info; - - void (*release)(struct dvb_frontend *fe); - int (*init)(struct dvb_frontend *fe); - int (*sleep)(struct dvb_frontend *fe); - int (*suspend)(struct dvb_frontend *fe); - int (*resume)(struct dvb_frontend *fe); - - /* This is the recomended way to set the tuner */ - int (*set_params)(struct dvb_frontend *fe); - int (*set_analog_params)(struct dvb_frontend *fe, struct analog_parameters *p); - - int (*set_config)(struct dvb_frontend *fe, void *priv_cfg); - - int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency); - int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth); - int (*get_if_frequency)(struct dvb_frontend *fe, u32 *frequency); - -#define TUNER_STATUS_LOCKED 1 -#define TUNER_STATUS_STEREO 2 - int (*get_status)(struct dvb_frontend *fe, u32 *status); - int (*get_rf_strength)(struct dvb_frontend *fe, u16 *strength); - int (*get_afc)(struct dvb_frontend *fe, s32 *afc); - - /* - * This is support for demods like the mt352 - fills out the supplied - * buffer with what to write. - * - * Don't use on newer drivers. - */ - int (*calc_regs)(struct dvb_frontend *fe, u8 *buf, int buf_len); - - /* - * These are provided separately from set_params in order to - * facilitate silicon tuners which require sophisticated tuning loops, - * controlling each parameter separately. - * - * Don't use on newer drivers. - */ - int (*set_frequency)(struct dvb_frontend *fe, u32 frequency); - int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth); -}; - -/** - * struct analog_demod_info - Information struct for analog TV part of the demod - * - * @name: Name of the analog TV demodulator - */ -struct analog_demod_info { - char *name; -}; - -/** - * struct analog_demod_ops - Demodulation information and callbacks for - * analog TV and radio - * - * @info: pointer to struct analog_demod_info - * @set_params: callback function used to inform the demod to set the - * demodulator parameters needed to decode an analog or - * radio channel. The properties are passed via - * &struct analog_params. - * @has_signal: returns 0xffff if has signal, or 0 if it doesn't. - * @get_afc: Used only by analog TV core. Reports the frequency - * drift due to AFC. - * @tuner_status: callback function that returns tuner status bits, e. g. - * %TUNER_STATUS_LOCKED and %TUNER_STATUS_STEREO. - * @standby: set the tuner to standby mode. - * @release: callback function called when frontend is detached. - * drivers should free any allocated memory. - * @i2c_gate_ctrl: controls the I2C gate. Newer drivers should use I2C - * mux support instead. - * @set_config: callback function used to send some tuner-specific - * parameters. - */ -struct analog_demod_ops { - - struct analog_demod_info info; - - void (*set_params)(struct dvb_frontend *fe, - struct analog_parameters *params); - int (*has_signal)(struct dvb_frontend *fe, u16 *signal); - int (*get_afc)(struct dvb_frontend *fe, s32 *afc); - void (*tuner_status)(struct dvb_frontend *fe); - void (*standby)(struct dvb_frontend *fe); - void (*release)(struct dvb_frontend *fe); - int (*i2c_gate_ctrl)(struct dvb_frontend *fe, int enable); - - /** This is to allow setting tuner-specific configuration */ - int (*set_config)(struct dvb_frontend *fe, void *priv_cfg); -}; - -struct dtv_frontend_properties; - - -/** - * struct dvb_frontend_ops - Demodulation information and callbacks for - * ditialt TV - * - * @info: embedded &struct dvb_tuner_info with tuner properties - * @delsys: Delivery systems supported by the frontend - * @detach: callback function called when frontend is detached. - * drivers should clean up, but not yet free the &struct - * dvb_frontend allocation. - * @release: callback function called when frontend is ready to be - * freed. - * drivers should free any allocated memory. - * @release_sec: callback function requesting that the Satelite Equipment - * Control (SEC) driver to release and free any memory - * allocated by the driver. - * @init: callback function used to initialize the tuner device. - * @sleep: callback function used to put the tuner to sleep. - * @write: callback function used by some demod legacy drivers to - * allow other drivers to write data into their registers. - * Should not be used on new drivers. - * @tune: callback function used by demod drivers that use - * @DVBFE_ALGO_HW to tune into a frequency. - * @get_frontend_algo: returns the desired hardware algorithm. - * @set_frontend: callback function used to inform the demod to set the - * parameters for demodulating a digital TV channel. - * The properties to be used are stored at &struct - * dvb_frontend.dtv_property_cache. The demod can change - * the parameters to reflect the changes needed for the - * channel to be decoded, and update statistics. - * @get_tune_settings: callback function - * @get_frontend: callback function used to inform the parameters - * actuall in use. The properties to be used are stored at - * &struct dvb_frontend.dtv_property_cache and update - * statistics. Please notice that it should not return - * an error code if the statistics are not available - * because the demog is not locked. - * @read_status: returns the locking status of the frontend. - * @read_ber: legacy callback function to return the bit error rate. - * Newer drivers should provide such info via DVBv5 API, - * e. g. @set_frontend;/@get_frontend, implementing this - * callback only if DVBv3 API compatibility is wanted. - * @read_signal_strength: legacy callback function to return the signal - * strength. Newer drivers should provide such info via - * DVBv5 API, e. g. @set_frontend/@get_frontend, - * implementing this callback only if DVBv3 API - * compatibility is wanted. - * @read_snr: legacy callback function to return the Signal/Noise - * rate. Newer drivers should provide such info via - * DVBv5 API, e. g. @set_frontend/@get_frontend, - * implementing this callback only if DVBv3 API - * compatibility is wanted. - * @read_ucblocks: legacy callback function to return the Uncorrected Error - * Blocks. Newer drivers should provide such info via - * DVBv5 API, e. g. @set_frontend/@get_frontend, - * implementing this callback only if DVBv3 API - * compatibility is wanted. - * @diseqc_reset_overload: callback function to implement the - * FE_DISEQC_RESET_OVERLOAD() ioctl (only Satellite) - * @diseqc_send_master_cmd: callback function to implement the - * FE_DISEQC_SEND_MASTER_CMD() ioctl (only Satellite). - * @diseqc_recv_slave_reply: callback function to implement the - * FE_DISEQC_RECV_SLAVE_REPLY() ioctl (only Satellite) - * @diseqc_send_burst: callback function to implement the - * FE_DISEQC_SEND_BURST() ioctl (only Satellite). - * @set_tone: callback function to implement the - * FE_SET_TONE() ioctl (only Satellite). - * @set_voltage: callback function to implement the - * FE_SET_VOLTAGE() ioctl (only Satellite). - * @enable_high_lnb_voltage: callback function to implement the - * FE_ENABLE_HIGH_LNB_VOLTAGE() ioctl (only Satellite). - * @dishnetwork_send_legacy_command: callback function to implement the - * FE_DISHNETWORK_SEND_LEGACY_CMD() ioctl (only Satellite). - * Drivers should not use this, except when the DVB - * core emulation fails to provide proper support (e.g. - * if @set_voltage takes more than 8ms to work), and - * when backward compatibility with this legacy API is - * required. - * @i2c_gate_ctrl: controls the I2C gate. Newer drivers should use I2C - * mux support instead. - * @ts_bus_ctrl: callback function used to take control of the TS bus. - * @set_lna: callback function to power on/off/auto the LNA. - * @search: callback function used on some custom algo search algos. - * @tuner_ops: pointer to &struct dvb_tuner_ops - * @analog_ops: pointer to &struct analog_demod_ops - */ -struct dvb_frontend_ops { - struct dvb_frontend_info info; - - u8 delsys[MAX_DELSYS]; - - void (*detach)(struct dvb_frontend *fe); - void (*release)(struct dvb_frontend* fe); - void (*release_sec)(struct dvb_frontend* fe); - - int (*init)(struct dvb_frontend* fe); - int (*sleep)(struct dvb_frontend* fe); - - int (*write)(struct dvb_frontend* fe, const u8 buf[], int len); - - /* if this is set, it overrides the default swzigzag */ - int (*tune)(struct dvb_frontend* fe, - bool re_tune, - unsigned int mode_flags, - unsigned int *delay, - enum fe_status *status); - - /* get frontend tuning algorithm from the module */ - enum dvbfe_algo (*get_frontend_algo)(struct dvb_frontend *fe); - - /* these two are only used for the swzigzag code */ - int (*set_frontend)(struct dvb_frontend *fe); - int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings); - - int (*get_frontend)(struct dvb_frontend *fe, - struct dtv_frontend_properties *props); - - int (*read_status)(struct dvb_frontend *fe, enum fe_status *status); - int (*read_ber)(struct dvb_frontend* fe, u32* ber); - int (*read_signal_strength)(struct dvb_frontend* fe, u16* strength); - int (*read_snr)(struct dvb_frontend* fe, u16* snr); - int (*read_ucblocks)(struct dvb_frontend* fe, u32* ucblocks); - - int (*diseqc_reset_overload)(struct dvb_frontend* fe); - int (*diseqc_send_master_cmd)(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd); - int (*diseqc_recv_slave_reply)(struct dvb_frontend* fe, struct dvb_diseqc_slave_reply* reply); - int (*diseqc_send_burst)(struct dvb_frontend *fe, - enum fe_sec_mini_cmd minicmd); - int (*set_tone)(struct dvb_frontend *fe, enum fe_sec_tone_mode tone); - int (*set_voltage)(struct dvb_frontend *fe, - enum fe_sec_voltage voltage); - int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, long arg); - int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd); - int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable); - int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire); - int (*set_lna)(struct dvb_frontend *); - - /* - * These callbacks are for devices that implement their own - * tuning algorithms, rather than a simple swzigzag - */ - enum dvbfe_search (*search)(struct dvb_frontend *fe); - - struct dvb_tuner_ops tuner_ops; - struct analog_demod_ops analog_ops; -}; - -#ifdef __DVB_CORE__ -#define MAX_EVENT 8 - -/* Used only internally at dvb_frontend.c */ -struct dvb_fe_events { - struct dvb_frontend_event events[MAX_EVENT]; - int eventw; - int eventr; - int overflow; - wait_queue_head_t wait_queue; - struct mutex mtx; -}; -#endif - -/** - * struct dtv_frontend_properties - contains a list of properties that are - * specific to a digital TV standard. - * - * @frequency: frequency in Hz for terrestrial/cable or in kHz for - * Satellite - * @modulation: Frontend modulation type - * @voltage: SEC voltage (only Satellite) - * @sectone: SEC tone mode (only Satellite) - * @inversion: Spectral inversion - * @fec_inner: Forward error correction inner Code Rate - * @transmission_mode: Transmission Mode - * @bandwidth_hz: Bandwidth, in Hz. A zero value means that userspace - * wants to autodetect. - * @guard_interval: Guard Interval - * @hierarchy: Hierarchy - * @symbol_rate: Symbol Rate - * @code_rate_HP: high priority stream code rate - * @code_rate_LP: low priority stream code rate - * @pilot: Enable/disable/autodetect pilot tones - * @rolloff: Rolloff factor (alpha) - * @delivery_system: FE delivery system (e. g. digital TV standard) - * @interleaving: interleaving - * @isdbt_partial_reception: ISDB-T partial reception (only ISDB standard) - * @isdbt_sb_mode: ISDB-T Sound Broadcast (SB) mode (only ISDB standard) - * @isdbt_sb_subchannel: ISDB-T SB subchannel (only ISDB standard) - * @isdbt_sb_segment_idx: ISDB-T SB segment index (only ISDB standard) - * @isdbt_sb_segment_count: ISDB-T SB segment count (only ISDB standard) - * @isdbt_layer_enabled: ISDB Layer enabled (only ISDB standard) - * @layer: ISDB per-layer data (only ISDB standard) - * @layer.segment_count: Segment Count; - * @layer.fec: per layer code rate; - * @layer.modulation: per layer modulation; - * @layer.interleaving: per layer interleaving. - * @stream_id: If different than zero, enable substream filtering, if - * hardware supports (DVB-S2 and DVB-T2). - * @atscmh_fic_ver: Version number of the FIC (Fast Information Channel) - * signaling data (only ATSC-M/H) - * @atscmh_parade_id: Parade identification number (only ATSC-M/H) - * @atscmh_nog: Number of MH groups per MH subframe for a designated - * parade (only ATSC-M/H) - * @atscmh_tnog: Total number of MH groups including all MH groups - * belonging to all MH parades in one MH subframe - * (only ATSC-M/H) - * @atscmh_sgn: Start group number (only ATSC-M/H) - * @atscmh_prc: Parade repetition cycle (only ATSC-M/H) - * @atscmh_rs_frame_mode: Reed Solomon (RS) frame mode (only ATSC-M/H) - * @atscmh_rs_frame_ensemble: RS frame ensemble (only ATSC-M/H) - * @atscmh_rs_code_mode_pri: RS code mode pri (only ATSC-M/H) - * @atscmh_rs_code_mode_sec: RS code mode sec (only ATSC-M/H) - * @atscmh_sccc_block_mode: Series Concatenated Convolutional Code (SCCC) - * Block Mode (only ATSC-M/H) - * @atscmh_sccc_code_mode_a: SCCC code mode A (only ATSC-M/H) - * @atscmh_sccc_code_mode_b: SCCC code mode B (only ATSC-M/H) - * @atscmh_sccc_code_mode_c: SCCC code mode C (only ATSC-M/H) - * @atscmh_sccc_code_mode_d: SCCC code mode D (only ATSC-M/H) - * @lna: Power ON/OFF/AUTO the Linear Now-noise Amplifier (LNA) - * @strength: DVBv5 API statistics: Signal Strength - * @cnr: DVBv5 API statistics: Signal to Noise ratio of the - * (main) carrier - * @pre_bit_error: DVBv5 API statistics: pre-Viterbi bit error count - * @pre_bit_count: DVBv5 API statistics: pre-Viterbi bit count - * @post_bit_error: DVBv5 API statistics: post-Viterbi bit error count - * @post_bit_count: DVBv5 API statistics: post-Viterbi bit count - * @block_error: DVBv5 API statistics: block error count - * @block_count: DVBv5 API statistics: block count - * - * NOTE: derivated statistics like Uncorrected Error blocks (UCE) are - * calculated on userspace. - * - * Only a subset of the properties are needed for a given delivery system. - * For more info, consult the media_api.html with the documentation of the - * Userspace API. - */ -struct dtv_frontend_properties { - u32 frequency; - enum fe_modulation modulation; - - enum fe_sec_voltage voltage; - enum fe_sec_tone_mode sectone; - enum fe_spectral_inversion inversion; - enum fe_code_rate fec_inner; - enum fe_transmit_mode transmission_mode; - u32 bandwidth_hz; /* 0 = AUTO */ - enum fe_guard_interval guard_interval; - enum fe_hierarchy hierarchy; - u32 symbol_rate; - enum fe_code_rate code_rate_HP; - enum fe_code_rate code_rate_LP; - - enum fe_pilot pilot; - enum fe_rolloff rolloff; - - enum fe_delivery_system delivery_system; - - enum fe_interleaving interleaving; - - /* ISDB-T specifics */ - u8 isdbt_partial_reception; - u8 isdbt_sb_mode; - u8 isdbt_sb_subchannel; - u32 isdbt_sb_segment_idx; - u32 isdbt_sb_segment_count; - u8 isdbt_layer_enabled; - struct { - u8 segment_count; - enum fe_code_rate fec; - enum fe_modulation modulation; - u8 interleaving; - } layer[3]; - - /* Multistream specifics */ - u32 stream_id; - - /* ATSC-MH specifics */ - u8 atscmh_fic_ver; - u8 atscmh_parade_id; - u8 atscmh_nog; - u8 atscmh_tnog; - u8 atscmh_sgn; - u8 atscmh_prc; - - u8 atscmh_rs_frame_mode; - u8 atscmh_rs_frame_ensemble; - u8 atscmh_rs_code_mode_pri; - u8 atscmh_rs_code_mode_sec; - u8 atscmh_sccc_block_mode; - u8 atscmh_sccc_code_mode_a; - u8 atscmh_sccc_code_mode_b; - u8 atscmh_sccc_code_mode_c; - u8 atscmh_sccc_code_mode_d; - - u32 lna; - - /* statistics data */ - struct dtv_fe_stats strength; - struct dtv_fe_stats cnr; - struct dtv_fe_stats pre_bit_error; - struct dtv_fe_stats pre_bit_count; - struct dtv_fe_stats post_bit_error; - struct dtv_fe_stats post_bit_count; - struct dtv_fe_stats block_error; - struct dtv_fe_stats block_count; -}; - -#define DVB_FE_NO_EXIT 0 -#define DVB_FE_NORMAL_EXIT 1 -#define DVB_FE_DEVICE_REMOVED 2 -#define DVB_FE_DEVICE_RESUME 3 - -/** - * struct dvb_frontend - Frontend structure to be used on drivers. - * - * @refcount: refcount to keep track of &struct dvb_frontend - * references - * @ops: embedded &struct dvb_frontend_ops - * @dvb: pointer to &struct dvb_adapter - * @demodulator_priv: demod private data - * @tuner_priv: tuner private data - * @frontend_priv: frontend private data - * @sec_priv: SEC private data - * @analog_demod_priv: Analog demod private data - * @dtv_property_cache: embedded &struct dtv_frontend_properties - * @callback: callback function used on some drivers to call - * either the tuner or the demodulator. - * @id: Frontend ID - * @exit: Used to inform the DVB core that the frontend - * thread should exit (usually, means that the hardware - * got disconnected. - */ - -struct dvb_frontend { - struct kref refcount; - struct dvb_frontend_ops ops; - struct dvb_adapter *dvb; - void *demodulator_priv; - void *tuner_priv; - void *frontend_priv; - void *sec_priv; - void *analog_demod_priv; - struct dtv_frontend_properties dtv_property_cache; -#define DVB_FRONTEND_COMPONENT_TUNER 0 -#define DVB_FRONTEND_COMPONENT_DEMOD 1 - int (*callback)(void *adapter_priv, int component, int cmd, int arg); - int id; - unsigned int exit; -}; - -/** - * dvb_register_frontend() - Registers a DVB frontend at the adapter - * - * @dvb: pointer to &struct dvb_adapter - * @fe: pointer to &struct dvb_frontend - * - * Allocate and initialize the private data needed by the frontend core to - * manage the frontend and calls dvb_register_device() to register a new - * frontend. It also cleans the property cache that stores the frontend - * parameters and selects the first available delivery system. - */ -int dvb_register_frontend(struct dvb_adapter *dvb, - struct dvb_frontend *fe); - -/** - * dvb_unregister_frontend() - Unregisters a DVB frontend - * - * @fe: pointer to &struct dvb_frontend - * - * Stops the frontend kthread, calls dvb_unregister_device() and frees the - * private frontend data allocated by dvb_register_frontend(). - * - * NOTE: This function doesn't frees the memory allocated by the demod, - * by the SEC driver and by the tuner. In order to free it, an explicit call to - * dvb_frontend_detach() is needed, after calling this function. - */ -int dvb_unregister_frontend(struct dvb_frontend *fe); - -/** - * dvb_frontend_detach() - Detaches and frees frontend specific data - * - * @fe: pointer to &struct dvb_frontend - * - * This function should be called after dvb_unregister_frontend(). It - * calls the SEC, tuner and demod release functions: - * &dvb_frontend_ops.release_sec, &dvb_frontend_ops.tuner_ops.release, - * &dvb_frontend_ops.analog_ops.release and &dvb_frontend_ops.release. - * - * If the driver is compiled with %CONFIG_MEDIA_ATTACH, it also decreases - * the module reference count, needed to allow userspace to remove the - * previously used DVB frontend modules. - */ -void dvb_frontend_detach(struct dvb_frontend *fe); - -/** - * dvb_frontend_suspend() - Suspends a Digital TV frontend - * - * @fe: pointer to &struct dvb_frontend - * - * This function prepares a Digital TV frontend to suspend. - * - * In order to prepare the tuner to suspend, if - * &dvb_frontend_ops.tuner_ops.suspend\(\) is available, it calls it. Otherwise, - * it will call &dvb_frontend_ops.tuner_ops.sleep\(\), if available. - * - * It will also call &dvb_frontend_ops.sleep\(\) to put the demod to suspend. - * - * The drivers should also call dvb_frontend_suspend\(\) as part of their - * handler for the &device_driver.suspend\(\). - */ -int dvb_frontend_suspend(struct dvb_frontend *fe); - -/** - * dvb_frontend_resume() - Resumes a Digital TV frontend - * - * @fe: pointer to &struct dvb_frontend - * - * This function resumes the usual operation of the tuner after resume. - * - * In order to resume the frontend, it calls the demod &dvb_frontend_ops.init\(\). - * - * If &dvb_frontend_ops.tuner_ops.resume\(\) is available, It, it calls it. - * Otherwise,t will call &dvb_frontend_ops.tuner_ops.init\(\), if available. - * - * Once tuner and demods are resumed, it will enforce that the SEC voltage and - * tone are restored to their previous values and wake up the frontend's - * kthread in order to retune the frontend. - * - * The drivers should also call dvb_frontend_resume() as part of their - * handler for the &device_driver.resume\(\). - */ -int dvb_frontend_resume(struct dvb_frontend *fe); - -/** - * dvb_frontend_reinitialise() - forces a reinitialisation at the frontend - * - * @fe: pointer to &struct dvb_frontend - * - * Calls &dvb_frontend_ops.init\(\) and &dvb_frontend_ops.tuner_ops.init\(\), - * and resets SEC tone and voltage (for Satellite systems). - * - * NOTE: Currently, this function is used only by one driver (budget-av). - * It seems to be due to address some special issue with that specific - * frontend. - */ -void dvb_frontend_reinitialise(struct dvb_frontend *fe); - -/** - * dvb_frontend_sleep_until() - Sleep for the amount of time given by - * add_usec parameter - * - * @waketime: pointer to &struct ktime_t - * @add_usec: time to sleep, in microseconds - * - * This function is used to measure the time required for the - * FE_DISHNETWORK_SEND_LEGACY_CMD() ioctl to work. It needs to be as precise - * as possible, as it affects the detection of the dish tone command at the - * satellite subsystem. - * - * Its used internally by the DVB frontend core, in order to emulate - * FE_DISHNETWORK_SEND_LEGACY_CMD() using the &dvb_frontend_ops.set_voltage\(\) - * callback. - * - * NOTE: it should not be used at the drivers, as the emulation for the - * legacy callback is provided by the Kernel. The only situation where this - * should be at the drivers is when there are some bugs at the hardware that - * would prevent the core emulation to work. On such cases, the driver would - * be writing a &dvb_frontend_ops.dishnetwork_send_legacy_command\(\) and - * calling this function directly. - */ -void dvb_frontend_sleep_until(ktime_t *waketime, u32 add_usec); - -#endif diff --git a/drivers/media/dvb-core/dvb_math.c b/drivers/media/dvb-core/dvb_math.c index a2e1810dd83a..dc90564d7f34 100644 --- a/drivers/media/dvb-core/dvb_math.c +++ b/drivers/media/dvb-core/dvb_math.c @@ -19,7 +19,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <asm/bug.h> -#include "dvb_math.h" +#include <media/dvb_math.h> static const unsigned short logtable[256] = { 0x0000, 0x0171, 0x02e0, 0x044e, 0x05ba, 0x0725, 0x088e, 0x09f7, diff --git a/drivers/media/dvb-core/dvb_math.h b/drivers/media/dvb-core/dvb_math.h deleted file mode 100644 index 8690ec42954d..000000000000 --- a/drivers/media/dvb-core/dvb_math.h +++ /dev/null @@ -1,66 +0,0 @@ -/* - * dvb-math provides some complex fixed-point math - * operations shared between the dvb related stuff - * - * Copyright (C) 2006 Christoph Pfister (christophpfister@gmail.com) - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of - * the License, or (at your option) any later version. - * - * 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 Lesser General Public License for more details. - */ - -#ifndef __DVB_MATH_H -#define __DVB_MATH_H - -#include <linux/types.h> - -/** - * intlog2 - computes log2 of a value; the result is shifted left by 24 bits - * - * @value: The value (must be != 0) - * - * to use rational values you can use the following method: - * - * intlog2(value) = intlog2(value * 2^x) - x * 2^24 - * - * Some usecase examples: - * - * intlog2(8) will give 3 << 24 = 3 * 2^24 - * - * intlog2(9) will give 3 << 24 + ... = 3.16... * 2^24 - * - * intlog2(1.5) = intlog2(3) - 2^24 = 0.584... * 2^24 - * - * - * return: log2(value) * 2^24 - */ -extern unsigned int intlog2(u32 value); - -/** - * intlog10 - computes log10 of a value; the result is shifted left by 24 bits - * - * @value: The value (must be != 0) - * - * to use rational values you can use the following method: - * - * intlog10(value) = intlog10(value * 10^x) - x * 2^24 - * - * An usecase example: - * - * intlog10(1000) will give 3 << 24 = 3 * 2^24 - * - * due to the implementation intlog10(1000) might be not exactly 3 * 2^24 - * - * look at intlog2 for similar examples - * - * return: log10(value) * 2^24 - */ -extern unsigned int intlog10(u32 value); - -#endif diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c index c018e3c06d5d..b6c7eec863b9 100644 --- a/drivers/media/dvb-core/dvb_net.c +++ b/drivers/media/dvb-core/dvb_net.c @@ -38,7 +38,7 @@ * Competence Center for Advanced Satellite Communications. * Bugfixes and robustness improvements. * Filtering on dest MAC addresses, if present (D-Bit = 0) - * ULE_DEBUG compile-time option. + * DVB_ULE_DEBUG compile-time option. * Apr 2006: cp v3: Bugfixes and compliency with RFC 4326 (ULE) by * Christian Praehauser <cpraehaus@cosy.sbg.ac.at>, * Paris Lodron University of Salzburg. @@ -64,8 +64,8 @@ #include <linux/mutex.h> #include <linux/sched.h> -#include "dvb_demux.h" -#include "dvb_net.h" +#include <media/dvb_demux.h> +#include <media/dvb_net.h> static inline __u32 iov_crc32( __u32 c, struct kvec *iov, unsigned int cnt ) { @@ -78,15 +78,18 @@ static inline __u32 iov_crc32( __u32 c, struct kvec *iov, unsigned int cnt ) #define DVB_NET_MULTICAST_MAX 10 -#undef ULE_DEBUG - -#ifdef ULE_DEBUG +#ifdef DVB_ULE_DEBUG +/* + * The code inside DVB_ULE_DEBUG keeps a history of the + * last 100 TS cells processed. + */ +static unsigned char ule_hist[100*TS_SZ] = { 0 }; +static unsigned char *ule_where = ule_hist, ule_dump; static void hexdump(const unsigned char *buf, unsigned short len) { print_hex_dump_debug("", DUMP_PREFIX_OFFSET, 16, 1, buf, len, true); } - #endif struct dvb_net_priv { @@ -280,11 +283,9 @@ static int handle_ule_extensions( struct dvb_net_priv *p ) if (l < 0) return l; /* Stop extension header processing and discard SNDU. */ total_ext_len += l; -#ifdef ULE_DEBUG pr_debug("ule_next_hdr=%p, ule_sndu_type=%i, l=%i, total_ext_len=%i\n", p->ule_next_hdr, (int)p->ule_sndu_type, l, total_ext_len); -#endif } while (p->ule_sndu_type < ETH_P_802_3_MIN); @@ -320,29 +321,21 @@ struct dvb_net_ule_handle { const u8 *ts, *ts_end, *from_where; u8 ts_remain, how_much, new_ts; bool error; -#ifdef ULE_DEBUG - /* - * The code inside ULE_DEBUG keeps a history of the - * last 100 TS cells processed. - */ - static unsigned char ule_hist[100*TS_SZ]; - static unsigned char *ule_where = ule_hist, ule_dump; -#endif }; static int dvb_net_ule_new_ts_cell(struct dvb_net_ule_handle *h) { /* We are about to process a new TS cell. */ -#ifdef ULE_DEBUG - if (h->ule_where >= &h->ule_hist[100*TS_SZ]) - h->ule_where = h->ule_hist; - memcpy(h->ule_where, h->ts, TS_SZ); - if (h->ule_dump) { - hexdump(h->ule_where, TS_SZ); - h->ule_dump = 0; +#ifdef DVB_ULE_DEBUG + if (ule_where >= &ule_hist[100*TS_SZ]) + ule_where = ule_hist; + memcpy(ule_where, h->ts, TS_SZ); + if (ule_dump) { + hexdump(ule_where, TS_SZ); + ule_dump = 0; } - h->ule_where += TS_SZ; + ule_where += TS_SZ; #endif /* @@ -660,6 +653,7 @@ static int dvb_net_ule_should_drop(struct dvb_net_ule_handle *h) static void dvb_net_ule_check_crc(struct dvb_net_ule_handle *h, + struct kvec iov[3], u32 ule_crc, u32 expected_crc) { u8 dest_addr[ETH_ALEN]; @@ -672,22 +666,22 @@ static void dvb_net_ule_check_crc(struct dvb_net_ule_handle *h, h->ts_remain > 2 ? *(unsigned short *)h->from_where : 0); - #ifdef ULE_DEBUG + #ifdef DVB_ULE_DEBUG hexdump(iov[0].iov_base, iov[0].iov_len); hexdump(iov[1].iov_base, iov[1].iov_len); hexdump(iov[2].iov_base, iov[2].iov_len); - if (h->ule_where == h->ule_hist) { - hexdump(&h->ule_hist[98*TS_SZ], TS_SZ); - hexdump(&h->ule_hist[99*TS_SZ], TS_SZ); - } else if (h->ule_where == &h->ule_hist[TS_SZ]) { - hexdump(&h->ule_hist[99*TS_SZ], TS_SZ); - hexdump(h->ule_hist, TS_SZ); + if (ule_where == ule_hist) { + hexdump(&ule_hist[98*TS_SZ], TS_SZ); + hexdump(&ule_hist[99*TS_SZ], TS_SZ); + } else if (ule_where == &ule_hist[TS_SZ]) { + hexdump(&ule_hist[99*TS_SZ], TS_SZ); + hexdump(ule_hist, TS_SZ); } else { - hexdump(h->ule_where - TS_SZ - TS_SZ, TS_SZ); - hexdump(h->ule_where - TS_SZ, TS_SZ); + hexdump(ule_where - TS_SZ - TS_SZ, TS_SZ); + hexdump(ule_where - TS_SZ, TS_SZ); } - h->ule_dump = 1; + ule_dump = 1; #endif h->dev->stats.rx_errors++; @@ -705,11 +699,9 @@ static void dvb_net_ule_check_crc(struct dvb_net_ule_handle *h, if (!h->priv->ule_dbit) { if (dvb_net_ule_should_drop(h)) { -#ifdef ULE_DEBUG netdev_dbg(h->dev, "Dropping SNDU: MAC destination address does not match: dest addr: %pM, h->dev addr: %pM\n", h->priv->ule_skb->data, h->dev->dev_addr); -#endif dev_kfree_skb(h->priv->ule_skb); return; } @@ -779,6 +771,8 @@ static void dvb_net_ule(struct net_device *dev, const u8 *buf, size_t buf_len) int ret; struct dvb_net_ule_handle h = { .dev = dev, + .priv = netdev_priv(dev), + .ethh = NULL, .buf = buf, .buf_len = buf_len, .skipped = 0L, @@ -788,11 +782,7 @@ static void dvb_net_ule(struct net_device *dev, const u8 *buf, size_t buf_len) .ts_remain = 0, .how_much = 0, .new_ts = 1, - .ethh = NULL, .error = false, -#ifdef ULE_DEBUG - .ule_where = ule_hist, -#endif }; /* @@ -860,7 +850,7 @@ static void dvb_net_ule(struct net_device *dev, const u8 *buf, size_t buf_len) *(tail - 2) << 8 | *(tail - 1); - dvb_net_ule_check_crc(&h, ule_crc, expected_crc); + dvb_net_ule_check_crc(&h, iov, ule_crc, expected_crc); /* Prepare for next SNDU. */ reset_ule(h.priv); diff --git a/drivers/media/dvb-core/dvb_net.h b/drivers/media/dvb-core/dvb_net.h deleted file mode 100644 index 1eae8bad7cc1..000000000000 --- a/drivers/media/dvb-core/dvb_net.h +++ /dev/null @@ -1,93 +0,0 @@ -/* - * dvb_net.h - * - * Copyright (C) 2001 Ralph Metzler for convergence integrated media GmbH - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * as published by the Free Software Foundation; either version 2.1 - * of the License, or (at your option) any later version. - * - * 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 _DVB_NET_H_ -#define _DVB_NET_H_ - -#include <linux/module.h> -#include <linux/netdevice.h> -#include <linux/inetdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> - -#include "dvbdev.h" - -#define DVB_NET_DEVICES_MAX 10 - -#ifdef CONFIG_DVB_NET - -/** - * struct dvb_net - describes a DVB network interface - * - * @dvbdev: pointer to &struct dvb_device. - * @device: array of pointers to &struct net_device. - * @state: array of integers to each net device. A value - * different than zero means that the interface is - * in usage. - * @exit: flag to indicate when the device is being removed. - * @demux: pointer to &struct dmx_demux. - * @ioctl_mutex: protect access to this struct. - * - * Currently, the core supports up to %DVB_NET_DEVICES_MAX (10) network - * devices. - */ - -struct dvb_net { - struct dvb_device *dvbdev; - struct net_device *device[DVB_NET_DEVICES_MAX]; - int state[DVB_NET_DEVICES_MAX]; - unsigned int exit:1; - struct dmx_demux *demux; - struct mutex ioctl_mutex; -}; - -/** - * dvb_net_init - nitializes a digital TV network device and registers it. - * - * @adap: pointer to &struct dvb_adapter. - * @dvbnet: pointer to &struct dvb_net. - * @dmxdemux: pointer to &struct dmx_demux. - */ -int dvb_net_init(struct dvb_adapter *adap, struct dvb_net *dvbnet, - struct dmx_demux *dmxdemux); - -/** - * dvb_net_release - releases a digital TV network device and unregisters it. - * - * @dvbnet: pointer to &struct dvb_net. - */ -void dvb_net_release(struct dvb_net *dvbnet); - -#else - -struct dvb_net { - struct dvb_device *dvbdev; -}; - -static inline void dvb_net_release(struct dvb_net *dvbnet) -{ -} - -static inline int dvb_net_init(struct dvb_adapter *adap, - struct dvb_net *dvbnet, struct dmx_demux *dmx) -{ - return 0; -} - -#endif /* ifdef CONFIG_DVB_NET */ - -#endif diff --git a/drivers/media/dvb-core/dvb_ringbuffer.c b/drivers/media/dvb-core/dvb_ringbuffer.c index 53011629c9ad..4330b6fa4af2 100644 --- a/drivers/media/dvb-core/dvb_ringbuffer.c +++ b/drivers/media/dvb-core/dvb_ringbuffer.c @@ -29,7 +29,7 @@ #include <linux/string.h> #include <linux/uaccess.h> -#include "dvb_ringbuffer.h" +#include <media/dvb_ringbuffer.h> #define PKT_READY 0 #define PKT_DISPOSED 1 diff --git a/drivers/media/dvb-core/dvb_ringbuffer.h b/drivers/media/dvb-core/dvb_ringbuffer.h deleted file mode 100644 index 8ed6bcc3a56e..000000000000 --- a/drivers/media/dvb-core/dvb_ringbuffer.h +++ /dev/null @@ -1,280 +0,0 @@ -/* - * - * dvb_ringbuffer.h: ring buffer implementation for the dvb driver - * - * Copyright (C) 2003 Oliver Endriss - * Copyright (C) 2004 Andrew de Quincey - * - * based on code originally found in av7110.c & dvb_ci.c: - * Copyright (C) 1999-2003 Ralph Metzler & Marcus Metzler - * for convergence integrated media GmbH - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * as published by the Free Software Foundation; either version 2.1 - * of the License, or (at your option) any later version. - * - * 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 Lesser General Public License for more details. - */ - -#ifndef _DVB_RINGBUFFER_H_ -#define _DVB_RINGBUFFER_H_ - -#include <linux/spinlock.h> -#include <linux/wait.h> - -/** - * struct dvb_ringbuffer - Describes a ring buffer used at DVB framework - * - * @data: Area were the ringbuffer data is written - * @size: size of the ringbuffer - * @pread: next position to read - * @pwrite: next position to write - * @error: used by ringbuffer clients to indicate that an error happened. - * @queue: Wait queue used by ringbuffer clients to indicate when buffer - * was filled - * @lock: Spinlock used to protect the ringbuffer - */ -struct dvb_ringbuffer { - u8 *data; - ssize_t size; - ssize_t pread; - ssize_t pwrite; - int error; - - wait_queue_head_t queue; - spinlock_t lock; -}; - -#define DVB_RINGBUFFER_PKTHDRSIZE 3 - -/** - * dvb_ringbuffer_init - initialize ring buffer, lock and queue - * - * @rbuf: pointer to struct dvb_ringbuffer - * @data: pointer to the buffer where the data will be stored - * @len: bytes from ring buffer into @buf - */ -extern void dvb_ringbuffer_init(struct dvb_ringbuffer *rbuf, void *data, - size_t len); - -/** - * dvb_ringbuffer_empty - test whether buffer is empty - * - * @rbuf: pointer to struct dvb_ringbuffer - */ -extern int dvb_ringbuffer_empty(struct dvb_ringbuffer *rbuf); - -/** - * dvb_ringbuffer_free - returns the number of free bytes in the buffer - * - * @rbuf: pointer to struct dvb_ringbuffer - * - * Return: number of free bytes in the buffer - */ -extern ssize_t dvb_ringbuffer_free(struct dvb_ringbuffer *rbuf); - -/** - * dvb_ringbuffer_avail - returns the number of bytes waiting in the buffer - * - * @rbuf: pointer to struct dvb_ringbuffer - * - * Return: number of bytes waiting in the buffer - */ -extern ssize_t dvb_ringbuffer_avail(struct dvb_ringbuffer *rbuf); - -/** - * dvb_ringbuffer_reset - resets the ringbuffer to initial state - * - * @rbuf: pointer to struct dvb_ringbuffer - * - * Resets the read and write pointers to zero and flush the buffer. - * - * This counts as a read and write operation - */ -extern void dvb_ringbuffer_reset(struct dvb_ringbuffer *rbuf); - -/* - * read routines & macros - */ - -/** - * dvb_ringbuffer_flush - flush buffer - * - * @rbuf: pointer to struct dvb_ringbuffer - */ -extern void dvb_ringbuffer_flush(struct dvb_ringbuffer *rbuf); - -/** - * dvb_ringbuffer_flush_spinlock_wakeup- flush buffer protected by spinlock - * and wake-up waiting task(s) - * - * @rbuf: pointer to struct dvb_ringbuffer - */ -extern void dvb_ringbuffer_flush_spinlock_wakeup(struct dvb_ringbuffer *rbuf); - -/** - * DVB_RINGBUFFER_PEEK - peek at byte @offs in the buffer - * - * @rbuf: pointer to struct dvb_ringbuffer - * @offs: offset inside the ringbuffer - */ -#define DVB_RINGBUFFER_PEEK(rbuf, offs) \ - ((rbuf)->data[((rbuf)->pread + (offs)) % (rbuf)->size]) - -/** - * DVB_RINGBUFFER_SKIP - advance read ptr by @num bytes - * - * @rbuf: pointer to struct dvb_ringbuffer - * @num: number of bytes to advance - */ -#define DVB_RINGBUFFER_SKIP(rbuf, num) {\ - (rbuf)->pread = ((rbuf)->pread + (num)) % (rbuf)->size;\ -} - -/** - * dvb_ringbuffer_read_user - Reads a buffer into a user pointer - * - * @rbuf: pointer to struct dvb_ringbuffer - * @buf: pointer to the buffer where the data will be stored - * @len: bytes from ring buffer into @buf - * - * This variant assumes that the buffer is a memory at the userspace. So, - * it will internally call copy_to_user(). - * - * Return: number of bytes transferred or -EFAULT - */ -extern ssize_t dvb_ringbuffer_read_user(struct dvb_ringbuffer *rbuf, - u8 __user *buf, size_t len); - -/** - * dvb_ringbuffer_read - Reads a buffer into a pointer - * - * @rbuf: pointer to struct dvb_ringbuffer - * @buf: pointer to the buffer where the data will be stored - * @len: bytes from ring buffer into @buf - * - * This variant assumes that the buffer is a memory at the Kernel space - * - * Return: number of bytes transferred or -EFAULT - */ -extern void dvb_ringbuffer_read(struct dvb_ringbuffer *rbuf, - u8 *buf, size_t len); - -/* - * write routines & macros - */ - -/** - * DVB_RINGBUFFER_WRITE_BYTE - write single byte to ring buffer - * - * @rbuf: pointer to struct dvb_ringbuffer - * @byte: byte to write - */ -#define DVB_RINGBUFFER_WRITE_BYTE(rbuf, byte) \ - { (rbuf)->data[(rbuf)->pwrite] = (byte); \ - (rbuf)->pwrite = ((rbuf)->pwrite + 1) % (rbuf)->size; } - -/** - * dvb_ringbuffer_write - Writes a buffer into the ringbuffer - * - * @rbuf: pointer to struct dvb_ringbuffer - * @buf: pointer to the buffer where the data will be read - * @len: bytes from ring buffer into @buf - * - * This variant assumes that the buffer is a memory at the Kernel space - * - * return: number of bytes transferred or -EFAULT - */ -extern ssize_t dvb_ringbuffer_write(struct dvb_ringbuffer *rbuf, const u8 *buf, - size_t len); - -/** - * dvb_ringbuffer_write_user - Writes a buffer received via a user pointer - * - * @rbuf: pointer to struct dvb_ringbuffer - * @buf: pointer to the buffer where the data will be read - * @len: bytes from ring buffer into @buf - * - * This variant assumes that the buffer is a memory at the userspace. So, - * it will internally call copy_from_user(). - * - * Return: number of bytes transferred or -EFAULT - */ -extern ssize_t dvb_ringbuffer_write_user(struct dvb_ringbuffer *rbuf, - const u8 __user *buf, size_t len); - -/** - * dvb_ringbuffer_pkt_write - Write a packet into the ringbuffer. - * - * @rbuf: Ringbuffer to write to. - * @buf: Buffer to write. - * @len: Length of buffer (currently limited to 65535 bytes max). - * - * Return: Number of bytes written, or -EFAULT, -ENOMEM, -EVINAL. - */ -extern ssize_t dvb_ringbuffer_pkt_write(struct dvb_ringbuffer *rbuf, u8 *buf, - size_t len); - -/** - * dvb_ringbuffer_pkt_read_user - Read from a packet in the ringbuffer. - * - * @rbuf: Ringbuffer concerned. - * @idx: Packet index as returned by dvb_ringbuffer_pkt_next(). - * @offset: Offset into packet to read from. - * @buf: Destination buffer for data. - * @len: Size of destination buffer. - * - * Return: Number of bytes read, or -EFAULT. - * - * .. note:: - * - * unlike dvb_ringbuffer_read(), this does **NOT** update the read pointer - * in the ringbuffer. You must use dvb_ringbuffer_pkt_dispose() to mark a - * packet as no longer required. - */ -extern ssize_t dvb_ringbuffer_pkt_read_user(struct dvb_ringbuffer *rbuf, - size_t idx, - int offset, u8 __user *buf, - size_t len); - -/** - * dvb_ringbuffer_pkt_read - Read from a packet in the ringbuffer. - * Note: unlike dvb_ringbuffer_read_user(), this DOES update the read pointer - * in the ringbuffer. - * - * @rbuf: Ringbuffer concerned. - * @idx: Packet index as returned by dvb_ringbuffer_pkt_next(). - * @offset: Offset into packet to read from. - * @buf: Destination buffer for data. - * @len: Size of destination buffer. - * - * Return: Number of bytes read, or -EFAULT. - */ -extern ssize_t dvb_ringbuffer_pkt_read(struct dvb_ringbuffer *rbuf, size_t idx, - int offset, u8 *buf, size_t len); - -/** - * dvb_ringbuffer_pkt_dispose - Dispose of a packet in the ring buffer. - * - * @rbuf: Ring buffer concerned. - * @idx: Packet index as returned by dvb_ringbuffer_pkt_next(). - */ -extern void dvb_ringbuffer_pkt_dispose(struct dvb_ringbuffer *rbuf, size_t idx); - -/** - * dvb_ringbuffer_pkt_next - Get the index of the next packet in a ringbuffer. - * - * @rbuf: Ringbuffer concerned. - * @idx: Previous packet index, or -1 to return the first packet index. - * @pktlen: On success, will be updated to contain the length of the packet - * in bytes. - * returns Packet index (if >=0), or -1 if no packets available. - */ -extern ssize_t dvb_ringbuffer_pkt_next(struct dvb_ringbuffer *rbuf, - size_t idx, size_t *pktlen); - -#endif /* _DVB_RINGBUFFER_H_ */ diff --git a/drivers/media/dvb-core/dvb_vb2.c b/drivers/media/dvb-core/dvb_vb2.c new file mode 100644 index 000000000000..763145d74e83 --- /dev/null +++ b/drivers/media/dvb-core/dvb_vb2.c @@ -0,0 +1,430 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * dvb-vb2.c - dvb-vb2 + * + * Copyright (C) 2015 Samsung Electronics + * + * Author: jh1009.sung@samsung.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. + */ + +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mm.h> + +#include <media/dvbdev.h> +#include <media/dvb_vb2.h> + +#define DVB_V2_MAX_SIZE (4096 * 188) + +static int vb2_debug; +module_param(vb2_debug, int, 0644); + +#define dprintk(level, fmt, arg...) \ + do { \ + if (vb2_debug >= level) \ + pr_info("vb2: %s: " fmt, __func__, ## arg); \ + } while (0) + +static int _queue_setup(struct vb2_queue *vq, + unsigned int *nbuffers, unsigned int *nplanes, + unsigned int sizes[], struct device *alloc_devs[]) +{ + struct dvb_vb2_ctx *ctx = vb2_get_drv_priv(vq); + + ctx->buf_cnt = *nbuffers; + *nplanes = 1; + sizes[0] = ctx->buf_siz; + + /* + * videobuf2-vmalloc allocator is context-less so no need to set + * alloc_ctxs array. + */ + + dprintk(3, "[%s] count=%d, size=%d\n", ctx->name, + *nbuffers, sizes[0]); + + return 0; +} + +static int _buffer_prepare(struct vb2_buffer *vb) +{ + struct dvb_vb2_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); + unsigned long size = ctx->buf_siz; + + if (vb2_plane_size(vb, 0) < size) { + dprintk(1, "[%s] data will not fit into plane (%lu < %lu)\n", + ctx->name, vb2_plane_size(vb, 0), size); + return -EINVAL; + } + + vb2_set_plane_payload(vb, 0, size); + dprintk(3, "[%s]\n", ctx->name); + + return 0; +} + +static void _buffer_queue(struct vb2_buffer *vb) +{ + struct dvb_vb2_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); + struct dvb_buffer *buf = container_of(vb, struct dvb_buffer, vb); + unsigned long flags = 0; + + spin_lock_irqsave(&ctx->slock, flags); + list_add_tail(&buf->list, &ctx->dvb_q); + spin_unlock_irqrestore(&ctx->slock, flags); + + dprintk(3, "[%s]\n", ctx->name); +} + +static int _start_streaming(struct vb2_queue *vq, unsigned int count) +{ + struct dvb_vb2_ctx *ctx = vb2_get_drv_priv(vq); + + dprintk(3, "[%s] count=%d\n", ctx->name, count); + return 0; +} + +static void _stop_streaming(struct vb2_queue *vq) +{ + struct dvb_vb2_ctx *ctx = vb2_get_drv_priv(vq); + struct dvb_buffer *buf; + unsigned long flags = 0; + + dprintk(3, "[%s]\n", ctx->name); + + spin_lock_irqsave(&ctx->slock, flags); + while (!list_empty(&ctx->dvb_q)) { + buf = list_entry(ctx->dvb_q.next, + struct dvb_buffer, list); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); + list_del(&buf->list); + } + spin_unlock_irqrestore(&ctx->slock, flags); +} + +static void _dmxdev_lock(struct vb2_queue *vq) +{ + struct dvb_vb2_ctx *ctx = vb2_get_drv_priv(vq); + + mutex_lock(&ctx->mutex); + dprintk(3, "[%s]\n", ctx->name); +} + +static void _dmxdev_unlock(struct vb2_queue *vq) +{ + struct dvb_vb2_ctx *ctx = vb2_get_drv_priv(vq); + + if (mutex_is_locked(&ctx->mutex)) + mutex_unlock(&ctx->mutex); + dprintk(3, "[%s]\n", ctx->name); +} + +static const struct vb2_ops dvb_vb2_qops = { + .queue_setup = _queue_setup, + .buf_prepare = _buffer_prepare, + .buf_queue = _buffer_queue, + .start_streaming = _start_streaming, + .stop_streaming = _stop_streaming, + .wait_prepare = _dmxdev_unlock, + .wait_finish = _dmxdev_lock, +}; + +static void _fill_dmx_buffer(struct vb2_buffer *vb, void *pb) +{ + struct dvb_vb2_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); + struct dmx_buffer *b = pb; + + b->index = vb->index; + b->length = vb->planes[0].length; + b->bytesused = vb->planes[0].bytesused; + b->offset = vb->planes[0].m.offset; + dprintk(3, "[%s]\n", ctx->name); +} + +static int _fill_vb2_buffer(struct vb2_buffer *vb, + const void *pb, struct vb2_plane *planes) +{ + struct dvb_vb2_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); + + planes[0].bytesused = 0; + dprintk(3, "[%s]\n", ctx->name); + + return 0; +} + +static const struct vb2_buf_ops dvb_vb2_buf_ops = { + .fill_user_buffer = _fill_dmx_buffer, + .fill_vb2_buffer = _fill_vb2_buffer, +}; + +/* + * Videobuf operations + */ +int dvb_vb2_init(struct dvb_vb2_ctx *ctx, const char *name, int nonblocking) +{ + struct vb2_queue *q = &ctx->vb_q; + int ret; + + memset(ctx, 0, sizeof(struct dvb_vb2_ctx)); + q->type = DVB_BUF_TYPE_CAPTURE; + /**capture type*/ + q->is_output = 0; + /**only mmap is supported currently*/ + q->io_modes = VB2_MMAP; + q->drv_priv = ctx; + q->buf_struct_size = sizeof(struct dvb_buffer); + q->min_buffers_needed = 1; + q->ops = &dvb_vb2_qops; + q->mem_ops = &vb2_vmalloc_memops; + q->buf_ops = &dvb_vb2_buf_ops; + q->num_buffers = 0; + ret = vb2_core_queue_init(q); + if (ret) { + ctx->state = DVB_VB2_STATE_NONE; + dprintk(1, "[%s] errno=%d\n", ctx->name, ret); + return ret; + } + + mutex_init(&ctx->mutex); + spin_lock_init(&ctx->slock); + INIT_LIST_HEAD(&ctx->dvb_q); + + strlcpy(ctx->name, name, DVB_VB2_NAME_MAX); + ctx->nonblocking = nonblocking; + ctx->state = DVB_VB2_STATE_INIT; + + dprintk(3, "[%s]\n", ctx->name); + + return 0; +} + +int dvb_vb2_release(struct dvb_vb2_ctx *ctx) +{ + struct vb2_queue *q = (struct vb2_queue *)&ctx->vb_q; + + if (ctx->state & DVB_VB2_STATE_INIT) + vb2_core_queue_release(q); + + ctx->state = DVB_VB2_STATE_NONE; + dprintk(3, "[%s]\n", ctx->name); + + return 0; +} + +int dvb_vb2_stream_on(struct dvb_vb2_ctx *ctx) +{ + struct vb2_queue *q = &ctx->vb_q; + int ret; + + ret = vb2_core_streamon(q, q->type); + if (ret) { + ctx->state = DVB_VB2_STATE_NONE; + dprintk(1, "[%s] errno=%d\n", ctx->name, ret); + return ret; + } + ctx->state |= DVB_VB2_STATE_STREAMON; + dprintk(3, "[%s]\n", ctx->name); + + return 0; +} + +int dvb_vb2_stream_off(struct dvb_vb2_ctx *ctx) +{ + struct vb2_queue *q = (struct vb2_queue *)&ctx->vb_q; + int ret; + + ctx->state &= ~DVB_VB2_STATE_STREAMON; + ret = vb2_core_streamoff(q, q->type); + if (ret) { + ctx->state = DVB_VB2_STATE_NONE; + dprintk(1, "[%s] errno=%d\n", ctx->name, ret); + return ret; + } + dprintk(3, "[%s]\n", ctx->name); + + return 0; +} + +int dvb_vb2_is_streaming(struct dvb_vb2_ctx *ctx) +{ + return (ctx->state & DVB_VB2_STATE_STREAMON); +} + +int dvb_vb2_fill_buffer(struct dvb_vb2_ctx *ctx, + const unsigned char *src, int len) +{ + unsigned long flags = 0; + void *vbuf = NULL; + int todo = len; + unsigned char *psrc = (unsigned char *)src; + int ll = 0; + + dprintk(3, "[%s] %d bytes are rcvd\n", ctx->name, len); + if (!src) { + dprintk(3, "[%s]:NULL pointer src\n", ctx->name); + /**normal case: This func is called twice from demux driver + * once with valid src pointer, second time with NULL pointer + */ + return 0; + } + spin_lock_irqsave(&ctx->slock, flags); + while (todo) { + if (!ctx->buf) { + if (list_empty(&ctx->dvb_q)) { + dprintk(3, "[%s] Buffer overflow!!!\n", + ctx->name); + break; + } + + ctx->buf = list_entry(ctx->dvb_q.next, + struct dvb_buffer, list); + ctx->remain = vb2_plane_size(&ctx->buf->vb, 0); + ctx->offset = 0; + } + + if (!dvb_vb2_is_streaming(ctx)) { + vb2_buffer_done(&ctx->buf->vb, VB2_BUF_STATE_ERROR); + list_del(&ctx->buf->list); + ctx->buf = NULL; + break; + } + + /* Fill buffer */ + ll = min(todo, ctx->remain); + vbuf = vb2_plane_vaddr(&ctx->buf->vb, 0); + memcpy(vbuf + ctx->offset, psrc, ll); + todo -= ll; + psrc += ll; + + ctx->remain -= ll; + ctx->offset += ll; + + if (ctx->remain == 0) { + vb2_buffer_done(&ctx->buf->vb, VB2_BUF_STATE_DONE); + list_del(&ctx->buf->list); + ctx->buf = NULL; + } + } + + if (ctx->nonblocking && ctx->buf) { + vb2_set_plane_payload(&ctx->buf->vb, 0, ll); + vb2_buffer_done(&ctx->buf->vb, VB2_BUF_STATE_DONE); + list_del(&ctx->buf->list); + ctx->buf = NULL; + } + spin_unlock_irqrestore(&ctx->slock, flags); + + if (todo) + dprintk(1, "[%s] %d bytes are dropped.\n", ctx->name, todo); + else + dprintk(3, "[%s]\n", ctx->name); + + dprintk(3, "[%s] %d bytes are copied\n", ctx->name, len - todo); + return (len - todo); +} + +int dvb_vb2_reqbufs(struct dvb_vb2_ctx *ctx, struct dmx_requestbuffers *req) +{ + int ret; + + /* Adjust size to a sane value */ + if (req->size > DVB_V2_MAX_SIZE) + req->size = DVB_V2_MAX_SIZE; + + /* FIXME: round req->size to a 188 or 204 multiple */ + + ctx->buf_siz = req->size; + ctx->buf_cnt = req->count; + ret = vb2_core_reqbufs(&ctx->vb_q, VB2_MEMORY_MMAP, &req->count); + if (ret) { + ctx->state = DVB_VB2_STATE_NONE; + dprintk(1, "[%s] count=%d size=%d errno=%d\n", ctx->name, + ctx->buf_cnt, ctx->buf_siz, ret); + return ret; + } + ctx->state |= DVB_VB2_STATE_REQBUFS; + dprintk(3, "[%s] count=%d size=%d\n", ctx->name, + ctx->buf_cnt, ctx->buf_siz); + + return 0; +} + +int dvb_vb2_querybuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b) +{ + vb2_core_querybuf(&ctx->vb_q, b->index, b); + dprintk(3, "[%s] index=%d\n", ctx->name, b->index); + return 0; +} + +int dvb_vb2_expbuf(struct dvb_vb2_ctx *ctx, struct dmx_exportbuffer *exp) +{ + struct vb2_queue *q = &ctx->vb_q; + int ret; + + ret = vb2_core_expbuf(&ctx->vb_q, &exp->fd, q->type, exp->index, + 0, exp->flags); + if (ret) { + dprintk(1, "[%s] index=%d errno=%d\n", ctx->name, + exp->index, ret); + return ret; + } + dprintk(3, "[%s] index=%d fd=%d\n", ctx->name, exp->index, exp->fd); + + return 0; +} + +int dvb_vb2_qbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b) +{ + int ret; + + ret = vb2_core_qbuf(&ctx->vb_q, b->index, b); + if (ret) { + dprintk(1, "[%s] index=%d errno=%d\n", ctx->name, + b->index, ret); + return ret; + } + dprintk(5, "[%s] index=%d\n", ctx->name, b->index); + + return 0; +} + +int dvb_vb2_dqbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b) +{ + int ret; + + ret = vb2_core_dqbuf(&ctx->vb_q, &b->index, b, ctx->nonblocking); + if (ret) { + dprintk(1, "[%s] errno=%d\n", ctx->name, ret); + return ret; + } + dprintk(5, "[%s] index=%d\n", ctx->name, b->index); + + return 0; +} + +int dvb_vb2_mmap(struct dvb_vb2_ctx *ctx, struct vm_area_struct *vma) +{ + int ret; + + ret = vb2_mmap(&ctx->vb_q, vma); + if (ret) { + dprintk(1, "[%s] errno=%d\n", ctx->name, ret); + return ret; + } + dprintk(3, "[%s] ret=%d\n", ctx->name, ret); + + return 0; +} + +__poll_t dvb_vb2_poll(struct dvb_vb2_ctx *ctx, struct file *file, + poll_table *wait) +{ + dprintk(3, "[%s]\n", ctx->name); + return vb2_core_poll(&ctx->vb_q, file, wait); +} + diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c index 060c60ddfcc3..60e9c2ba26be 100644 --- a/drivers/media/dvb-core/dvbdev.c +++ b/drivers/media/dvb-core/dvbdev.c @@ -30,7 +30,7 @@ #include <linux/fs.h> #include <linux/cdev.h> #include <linux/mutex.h> -#include "dvbdev.h" +#include <media/dvbdev.h> /* Due to enum tuner_pad_index */ #include <media/tuner.h> diff --git a/drivers/media/dvb-core/dvbdev.h b/drivers/media/dvb-core/dvbdev.h deleted file mode 100644 index bbc1c20c0529..000000000000 --- a/drivers/media/dvb-core/dvbdev.h +++ /dev/null @@ -1,407 +0,0 @@ -/* - * dvbdev.h - * - * Copyright (C) 2000 Ralph Metzler & Marcus Metzler - * for convergence integrated media GmbH - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Lesser Public License - * as published by the Free Software Foundation; either version 2.1 - * of the License, or (at your option) any later version. - * - * 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 _DVBDEV_H_ -#define _DVBDEV_H_ - -#include <linux/types.h> -#include <linux/poll.h> -#include <linux/fs.h> -#include <linux/list.h> -#include <media/media-device.h> - -#define DVB_MAJOR 212 - -#if defined(CONFIG_DVB_MAX_ADAPTERS) && CONFIG_DVB_MAX_ADAPTERS > 0 - #define DVB_MAX_ADAPTERS CONFIG_DVB_MAX_ADAPTERS -#else - #define DVB_MAX_ADAPTERS 16 -#endif - -#define DVB_UNSET (-1) - -/* List of DVB device types */ - -/** - * enum dvb_device_type - type of the Digital TV device - * - * @DVB_DEVICE_SEC: Digital TV standalone Common Interface (CI) - * @DVB_DEVICE_FRONTEND: Digital TV frontend. - * @DVB_DEVICE_DEMUX: Digital TV demux. - * @DVB_DEVICE_DVR: Digital TV digital video record (DVR). - * @DVB_DEVICE_CA: Digital TV Conditional Access (CA). - * @DVB_DEVICE_NET: Digital TV network. - * - * @DVB_DEVICE_VIDEO: Digital TV video decoder. - * Deprecated. Used only on av7110-av. - * @DVB_DEVICE_AUDIO: Digital TV audio decoder. - * Deprecated. Used only on av7110-av. - * @DVB_DEVICE_OSD: Digital TV On Screen Display (OSD). - * Deprecated. Used only on av7110. - */ -enum dvb_device_type { - DVB_DEVICE_SEC, - DVB_DEVICE_FRONTEND, - DVB_DEVICE_DEMUX, - DVB_DEVICE_DVR, - DVB_DEVICE_CA, - DVB_DEVICE_NET, - - DVB_DEVICE_VIDEO, - DVB_DEVICE_AUDIO, - DVB_DEVICE_OSD, -}; - -#define DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr) \ - static short adapter_nr[] = \ - {[0 ... (DVB_MAX_ADAPTERS - 1)] = DVB_UNSET }; \ - module_param_array(adapter_nr, short, NULL, 0444); \ - MODULE_PARM_DESC(adapter_nr, "DVB adapter numbers") - -struct dvb_frontend; - -/** - * struct dvb_adapter - represents a Digital TV adapter using Linux DVB API - * - * @num: Number of the adapter - * @list_head: List with the DVB adapters - * @device_list: List with the DVB devices - * @name: Name of the adapter - * @proposed_mac: proposed MAC address for the adapter - * @priv: private data - * @device: pointer to struct device - * @module: pointer to struct module - * @mfe_shared: mfe shared: indicates mutually exclusive frontends - * Thie usage of this flag is currently deprecated - * @mfe_dvbdev: Frontend device in use, in the case of MFE - * @mfe_lock: Lock to prevent using the other frontends when MFE is - * used. - * @mdev: pointer to struct media_device, used when the media - * controller is used. - * @conn: RF connector. Used only if the device has no separate - * tuner. - * @conn_pads: pointer to struct media_pad associated with @conn; - */ -struct dvb_adapter { - int num; - struct list_head list_head; - struct list_head device_list; - const char *name; - u8 proposed_mac [6]; - void* priv; - - struct device *device; - - struct module *module; - - int mfe_shared; /* indicates mutually exclusive frontends */ - struct dvb_device *mfe_dvbdev; /* frontend device in use */ - struct mutex mfe_lock; /* access lock for thread creation */ - -#if defined(CONFIG_MEDIA_CONTROLLER_DVB) - struct media_device *mdev; - struct media_entity *conn; - struct media_pad *conn_pads; -#endif -}; - -/** - * struct dvb_device - represents a DVB device node - * - * @list_head: List head with all DVB devices - * @fops: pointer to struct file_operations - * @adapter: pointer to the adapter that holds this device node - * @type: type of the device, as defined by &enum dvb_device_type. - * @minor: devnode minor number. Major number is always DVB_MAJOR. - * @id: device ID number, inside the adapter - * @readers: Initialized by the caller. Each call to open() in Read Only mode - * decreases this counter by one. - * @writers: Initialized by the caller. Each call to open() in Read/Write - * mode decreases this counter by one. - * @users: Initialized by the caller. Each call to open() in any mode - * decreases this counter by one. - * @wait_queue: wait queue, used to wait for certain events inside one of - * the DVB API callers - * @kernel_ioctl: callback function used to handle ioctl calls from userspace. - * @name: Name to be used for the device at the Media Controller - * @entity: pointer to struct media_entity associated with the device node - * @pads: pointer to struct media_pad associated with @entity; - * @priv: private data - * @intf_devnode: Pointer to media_intf_devnode. Used by the dvbdev core to - * store the MC device node interface - * @tsout_num_entities: Number of Transport Stream output entities - * @tsout_entity: array with MC entities associated to each TS output node - * @tsout_pads: array with the source pads for each @tsout_entity - * - * This structure is used by the DVB core (frontend, CA, net, demux) in - * order to create the device nodes. Usually, driver should not initialize - * this struct diretly. - */ -struct dvb_device { - struct list_head list_head; - const struct file_operations *fops; - struct dvb_adapter *adapter; - enum dvb_device_type type; - int minor; - u32 id; - - /* in theory, 'users' can vanish now, - but I don't want to change too much now... */ - int readers; - int writers; - int users; - - wait_queue_head_t wait_queue; - /* don't really need those !? -- FIXME: use video_usercopy */ - int (*kernel_ioctl)(struct file *file, unsigned int cmd, void *arg); - - /* Needed for media controller register/unregister */ -#if defined(CONFIG_MEDIA_CONTROLLER_DVB) - const char *name; - - /* Allocated and filled inside dvbdev.c */ - struct media_intf_devnode *intf_devnode; - - unsigned tsout_num_entities; - struct media_entity *entity, *tsout_entity; - struct media_pad *pads, *tsout_pads; -#endif - - void *priv; -}; - -/** - * dvb_register_adapter - Registers a new DVB adapter - * - * @adap: pointer to struct dvb_adapter - * @name: Adapter's name - * @module: initialized with THIS_MODULE at the caller - * @device: pointer to struct device that corresponds to the device driver - * @adapter_nums: Array with a list of the numbers for @dvb_register_adapter; - * to select among them. Typically, initialized with: - * DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nums) - */ -int dvb_register_adapter(struct dvb_adapter *adap, const char *name, - struct module *module, struct device *device, - short *adapter_nums); - -/** - * dvb_unregister_adapter - Unregisters a DVB adapter - * - * @adap: pointer to struct dvb_adapter - */ -int dvb_unregister_adapter(struct dvb_adapter *adap); - -/** - * dvb_register_device - Registers a new DVB device - * - * @adap: pointer to struct dvb_adapter - * @pdvbdev: pointer to the place where the new struct dvb_device will be - * stored - * @template: Template used to create &pdvbdev; - * @priv: private data - * @type: type of the device, as defined by &enum dvb_device_type. - * @demux_sink_pads: Number of demux outputs, to be used to create the TS - * outputs via the Media Controller. - */ -int dvb_register_device(struct dvb_adapter *adap, - struct dvb_device **pdvbdev, - const struct dvb_device *template, - void *priv, - enum dvb_device_type type, - int demux_sink_pads); - -/** - * dvb_remove_device - Remove a registered DVB device - * - * This does not free memory. To do that, call dvb_free_device(). - * - * @dvbdev: pointer to struct dvb_device - */ -void dvb_remove_device(struct dvb_device *dvbdev); - -/** - * dvb_free_device - Free memory occupied by a DVB device. - * - * Call dvb_unregister_device() before calling this function. - * - * @dvbdev: pointer to struct dvb_device - */ -void dvb_free_device(struct dvb_device *dvbdev); - -/** - * dvb_unregister_device - Unregisters a DVB device - * - * This is a combination of dvb_remove_device() and dvb_free_device(). - * Using this function is usually a mistake, and is often an indicator - * for a use-after-free bug (when a userspace process keeps a file - * handle to a detached device). - * - * @dvbdev: pointer to struct dvb_device - */ -void dvb_unregister_device(struct dvb_device *dvbdev); - -#ifdef CONFIG_MEDIA_CONTROLLER_DVB -/** - * dvb_create_media_graph - Creates media graph for the Digital TV part of the - * device. - * - * @adap: pointer to &struct dvb_adapter - * @create_rf_connector: if true, it creates the RF connector too - * - * This function checks all DVB-related functions at the media controller - * entities and creates the needed links for the media graph. It is - * capable of working with multiple tuners or multiple frontends, but it - * won't create links if the device has multiple tuners and multiple frontends - * or if the device has multiple muxes. In such case, the caller driver should - * manually create the remaining links. - */ -__must_check int dvb_create_media_graph(struct dvb_adapter *adap, - bool create_rf_connector); - -/** - * dvb_register_media_controller - registers a media controller at DVB adapter - * - * @adap: pointer to &struct dvb_adapter - * @mdev: pointer to &struct media_device - */ -static inline void dvb_register_media_controller(struct dvb_adapter *adap, - struct media_device *mdev) -{ - adap->mdev = mdev; -} - -/** - * dvb_get_media_controller - gets the associated media controller - * - * @adap: pointer to &struct dvb_adapter - */ -static inline struct media_device -*dvb_get_media_controller(struct dvb_adapter *adap) -{ - return adap->mdev; -} -#else -static inline -int dvb_create_media_graph(struct dvb_adapter *adap, - bool create_rf_connector) -{ - return 0; -}; -#define dvb_register_media_controller(a, b) {} -#define dvb_get_media_controller(a) NULL -#endif - -/** - * dvb_generic_open - Digital TV open function, used by DVB devices - * - * @inode: pointer to &struct inode. - * @file: pointer to &struct file. - * - * Checks if a DVB devnode is still valid, and if the permissions are - * OK and increment negative use count. - */ -int dvb_generic_open(struct inode *inode, struct file *file); - -/** - * dvb_generic_close - Digital TV close function, used by DVB devices - * - * @inode: pointer to &struct inode. - * @file: pointer to &struct file. - * - * Checks if a DVB devnode is still valid, and if the permissions are - * OK and decrement negative use count. - */ -int dvb_generic_release(struct inode *inode, struct file *file); - -/** - * dvb_generic_ioctl - Digital TV close function, used by DVB devices - * - * @file: pointer to &struct file. - * @cmd: Ioctl name. - * @arg: Ioctl argument. - * - * Checks if a DVB devnode and struct dvbdev.kernel_ioctl is still valid. - * If so, calls dvb_usercopy(). - */ -long dvb_generic_ioctl(struct file *file, - unsigned int cmd, unsigned long arg); - -/** - * dvb_usercopy - copies data from/to userspace memory when an ioctl is - * issued. - * - * @file: Pointer to struct &file. - * @cmd: Ioctl name. - * @arg: Ioctl argument. - * @func: function that will actually handle the ioctl - * - * Ancillary function that uses ioctl direction and size to copy from - * userspace. Then, it calls @func, and, if needed, data is copied back - * to userspace. - */ -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. */ -#ifdef CONFIG_MEDIA_ATTACH - -/** - * dvb_attach - attaches a DVB frontend into the DVB core. - * - * @FUNCTION: function on a frontend module to be called. - * @ARGS...: @FUNCTION arguments. - * - * This ancillary function loads a frontend module in runtime and runs - * the @FUNCTION function there, with @ARGS. - * As it increments symbol usage cont, at unregister, dvb_detach() - * should be called. - */ -#define dvb_attach(FUNCTION, ARGS...) ({ \ - void *__r = NULL; \ - typeof(&FUNCTION) __a = symbol_request(FUNCTION); \ - if (__a) { \ - __r = (void *) __a(ARGS); \ - if (__r == NULL) \ - symbol_put(FUNCTION); \ - } else { \ - printk(KERN_ERR "DVB: Unable to find symbol "#FUNCTION"()\n"); \ - } \ - __r; \ -}) - -/** - * dvb_detach - detaches a DVB frontend loaded via dvb_attach() - * - * @FUNC: attach function - * - * Decrements usage count for a function previously called via dvb_attach(). - */ - -#define dvb_detach(FUNC) symbol_put_addr(FUNC) - -#else -#define dvb_attach(FUNCTION, ARGS...) ({ \ - FUNCTION(ARGS); \ -}) - -#define dvb_detach(FUNC) {} - -#endif - -#endif /* #ifndef _DVBDEV_H_ */ |