text: /* SPDX-License-Identifier: GPL-2.0 */
  /*
   * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
   * flexcop-common.h - common header file for device-specific source files
   * see flexcop.c for copyright information
   */
  #ifndef __FLEXCOP_COMMON_H__
  #define __FLEXCOP_COMMON_H__
  
  #include <linux/interrupt.h>
  #include <linux/pci.h>
  #include <linux/mutex.h>
  
  #include "flexcop-reg.h"
  
  #include "dmxdev.h"
  #include "dvb_demux.h"
  #include "dvb_net.h"
  #include "dvb_frontend.h"
  
  #define FC_MAX_FEED 256
  
  #ifndef FC_LOG_PREFIX
  #warning please define a log prefix for your file, using a default one
  #define FC_LOG_PREFIX "b2c2-undef"
  #endif
  
  /* Steal from usb.h */
  #undef err
  #define err(format, arg...) \
  	printk(KERN_ERR FC_LOG_PREFIX ": " format "\n" , ## arg)
  #undef info
  #define info(format, arg...) \
  	printk(KERN_INFO FC_LOG_PREFIX ": " format "\n" , ## arg)
  #undef warn
  #define warn(format, arg...) \
  	printk(KERN_WARNING FC_LOG_PREFIX ": " format "\n" , ## arg)
  
  struct flexcop_dma {
  	struct pci_dev *pdev;
  
  	u8 *cpu_addr0;
  	dma_addr_t dma_addr0;
  	u8 *cpu_addr1;
  	dma_addr_t dma_addr1;
  	u32 size; /* size of each address in bytes */
  };
  
  struct flexcop_i2c_adapter {
  	struct flexcop_device *fc;
  	struct i2c_adapter i2c_adap;
  
  	u8 no_base_addr;
  	flexcop_i2c_port_t port;
  };
  
  /* Control structure for data definitions that are common to
   * the B2C2-based PCI and USB devices.
   */
  struct flexcop_device {
  	/* general */
  	struct device *dev; /* for firmware_class */
  
  #define FC_STATE_DVB_INIT 0x01
  #define FC_STATE_I2C_INIT 0x02
  #define FC_STATE_FE_INIT  0x04
  	int init_state;
  
  	/* device information */
  	int has_32_hw_pid_filter;
  	flexcop_revision_t rev;
  	flexcop_device_type_t dev_type;
  	flexcop_bus_t bus_type;
  
  	/* dvb stuff */
  	struct dvb_adapter dvb_adapter;
  	struct dvb_frontend *fe;
  	struct dvb_net dvbnet;
  	struct dvb_demux demux;
  	struct dmxdev dmxdev;
  	struct dmx_frontend hw_frontend;
  	struct dmx_frontend mem_frontend;
  	int (*fe_sleep) (struct dvb_frontend *);
  
  	struct flexcop_i2c_adapter fc_i2c_adap[3];
  	struct mutex i2c_mutex;
  	struct module *owner;
  
  	/* options and status */
  	int extra_feedcount;
  	int feedcount;
  	int pid_filtering;
  	int fullts_streaming_state;
  	int skip_6_hw_pid_filter;
  
  	/* bus specific callbacks */
  	flexcop_ibi_value(*read_ibi_reg) (struct flexcop_device *,
  			flexcop_ibi_register);
  	int (*write_ibi_reg) (struct flexcop_device *,
  			flexcop_ibi_register, flexcop_ibi_value);
  	int (*i2c_request) (struct flexcop_i2c_adapter *,
  		flexcop_access_op_t, u8 chipaddr, u8 addr, u8 *buf, u16 len);
  	int (*stream_control) (struct flexcop_device *, int);
  	int (*get_mac_addr) (struct flexcop_device *fc, int extended);
  	void *bus_specific;
  };
  
  /* exported prototypes */
  
  /* from flexcop.c */
  void flexcop_pass_dmx_data(struct flexcop_device *fc, u8 *buf, u32 len);
  void flexcop_pass_dmx_packets(struct flexcop_device *fc, u8 *buf, u32 no);
  
  struct flexcop_device *flexcop_device_kmalloc(size_t bus_specific_len);
  void flexcop_device_kfree(struct flexcop_device *);
  
  int flexcop_device_initialize(struct flexcop_device *);
  void flexcop_device_exit(struct flexcop_device *fc);
  void flexcop_reset_block_300(struct flexcop_device *fc);
  
  /* from flexcop-dma.c */
  int flexcop_dma_allocate(struct pci_dev *pdev,
  		struct flexcop_dma *dma, u32 size);
  void flexcop_dma_free(struct flexcop_dma *dma);
  
  int flexcop_dma_control_timer_irq(struct flexcop_device *fc,
  		flexcop_dma_index_t no, int onoff);
  int flexcop_dma_control_size_irq(struct flexcop_device *fc,
  		flexcop_dma_index_t no, int onoff);
  int flexcop_dma_config(struct flexcop_device *fc, struct flexcop_dma *dma,
  		flexcop_dma_index_t dma_idx);
  int flexcop_dma_xfer_control(struct flexcop_device *fc,
  		flexcop_dma_index_t dma_idx, flexcop_dma_addr_index_t index,
  		int onoff);
  int flexcop_dma_config_timer(struct flexcop_device *fc,
  		flexcop_dma_index_t dma_idx, u8 cycles);
  
  /* from flexcop-eeprom.c */
  /* the PCI part uses this call to get the MAC address, the USB part has its own */
  int flexcop_eeprom_check_mac_addr(struct flexcop_device *fc, int extended);
  
  /* from flexcop-i2c.c */
  /* the PCI part uses this a i2c_request callback, whereas the usb part has its own
   * one. We have it in flexcop-i2c.c, because it is going via the actual
   * I2C-channel of the flexcop.
   */
  int flexcop_i2c_request(struct flexcop_i2c_adapter*, flexcop_access_op_t,
  	u8 chipaddr, u8 addr, u8 *buf, u16 len);
  
  /* from flexcop-sram.c */
  int flexcop_sram_set_dest(struct flexcop_device *fc, flexcop_sram_dest_t dest,
  	flexcop_sram_dest_target_t target);
  void flexcop_wan_set_speed(struct flexcop_device *fc, flexcop_wan_speed_t s);
  void flexcop_sram_ctrl(struct flexcop_device *fc,
  		int usb_wan, int sramdma, int maximumfill);
  
  /* global prototypes for the flexcop-chip */
  /* from flexcop-fe-tuner.c */
  int flexcop_frontend_init(struct flexcop_device *fc);
  void flexcop_frontend_exit(struct flexcop_device *fc);
  
  /* from flexcop-i2c.c */
  int flexcop_i2c_init(struct flexcop_device *fc);
  void flexcop_i2c_exit(struct flexcop_device *fc);
  
  /* from flexcop-sram.c */
  int flexcop_sram_init(struct flexcop_device *fc);
  
  /* from flexcop-misc.c */
  void flexcop_determine_revision(struct flexcop_device *fc);
  void flexcop_device_name(struct flexcop_device *fc,
  		const char *prefix, const char *suffix);
  void flexcop_dump_reg(struct flexcop_device *fc,
  		flexcop_ibi_register reg, int num);
  
  /* from flexcop-hw-filter.c */
  int flexcop_pid_feed_control(struct flexcop_device *fc,
  		struct dvb_demux_feed *dvbdmxfeed, int onoff);
  void flexcop_hw_filter_init(struct flexcop_device *fc);
  
  void flexcop_smc_ctrl(struct flexcop_device *fc, int onoff);
  
  void flexcop_set_mac_filter(struct flexcop_device *fc, u8 mac[6]);
  void flexcop_mac_filter_ctrl(struct flexcop_device *fc, int onoff);
  
  #endif
  