mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-25 13:14:07 +08:00
fada193559
Except for DVB, all media kAPI headers are at include/media. Move the headers to it. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
143 lines
4.4 KiB
C
143 lines
4.4 KiB
C
/*
|
|
* 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 <media/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
|