LXR linux/drivers/media/common/b2c2/flexcop-common.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
   4 * flexcop-common.h - common header file for device-specific source files
   5 * see flexcop.c for copyright information
   6 */
   7#ifndef __FLEXCOP_COMMON_H__
   8#define __FLEXCOP_COMMON_H__
   9
  10#include <linux/interrupt.h>
  11#include <linux/pci.h>
  12#include <linux/mutex.h>
  13
  14#include "flexcop-reg.h"
  15
  16#include <media/dmxdev.h>
  17#include <media/dvb_demux.h>
  18#include <media/dvb_net.h>
  19#include <media/dvb_frontend.h>
  20
  21#define FC_MAX_FEED 256
  22
  23#ifndef FC_LOG_PREFIX
  24#warning please define a log prefix for your file, using a default one
  25#define FC_LOG_PREFIX "b2c2-undef"
  26#endif
  27
  28/* Steal from usb.h */
  29#undef err
  30#define err(format, arg...) \
  31        printk(KERN_ERR FC_LOG_PREFIX ": " format "\n" , ## arg)
  32#undef info
  33#define info(format, arg...) \
  34        printk(KERN_INFO FC_LOG_PREFIX ": " format "\n" , ## arg)
  35#undef warn
  36#define warn(format, arg...) \
  37        printk(KERN_WARNING FC_LOG_PREFIX ": " format "\n" , ## arg)
  38
  39struct flexcop_dma {
  40        struct pci_dev *pdev;
  41
  42        u8 *cpu_addr0;
  43        dma_addr_t dma_addr0;
  44        u8 *cpu_addr1;
  45        dma_addr_t dma_addr1;
  46        u32 size; /* size of each address in bytes */
  47};
  48
  49struct flexcop_i2c_adapter {
  50        struct flexcop_device *fc;
  51        struct i2c_adapter i2c_adap;
  52
  53        u8 no_base_addr;
  54        flexcop_i2c_port_t port;
  55};
  56
  57/* Control structure for data definitions that are common to
  58 * the B2C2-based PCI and USB devices.
  59 */
  60struct flexcop_device {
  61        /* general */
  62        struct device *dev; /* for firmware_class */
  63
  64#define FC_STATE_DVB_INIT 0x01
  65#define FC_STATE_I2C_INIT 0x02
  66#define FC_STATE_FE_INIT  0x04
  67        int init_state;
  68
  69        /* device information */
  70        int has_32_hw_pid_filter;
  71        flexcop_revision_t rev;
  72        flexcop_device_type_t dev_type;
  73        flexcop_bus_t bus_type;
  74
  75        /* dvb stuff */
  76        struct dvb_adapter dvb_adapter;
  77        struct dvb_frontend *fe;
  78        struct dvb_net dvbnet;
  79        struct dvb_demux demux;
  80        struct dmxdev dmxdev;
  81        struct dmx_frontend hw_frontend;
  82        struct dmx_frontend mem_frontend;
  83        int (*fe_sleep) (struct dvb_frontend *);
  84
  85        struct flexcop_i2c_adapter fc_i2c_adap[3];
  86        struct mutex i2c_mutex;
  87        struct module *owner;
  88
  89        /* options and status */
  90        int extra_feedcount;
  91        int feedcount;
  92        int pid_filtering;
  93        int fullts_streaming_state;
  94        int skip_6_hw_pid_filter;
  95
  96        /* bus specific callbacks */
  97        flexcop_ibi_value(*read_ibi_reg) (struct flexcop_device *,
  98                        flexcop_ibi_register);
  99        int (*write_ibi_reg) (struct flexcop_device *,
 100                        flexcop_ibi_register, flexcop_ibi_value);
 101        int (*i2c_request) (struct flexcop_i2c_adapter *,
 102                flexcop_access_op_t, u8 chipaddr, u8 addr, u8 *buf, u16 len);
 103        int (*stream_control) (struct flexcop_device *, int);
 104        int (*get_mac_addr) (struct flexcop_device *fc, int extended);
 105        void *bus_specific;
 106};
 107
 108/* exported prototypes */
 109
 110/* from flexcop.c */
 111void flexcop_pass_dmx_data(struct flexcop_device *fc, u8 *buf, u32 len);
 112void flexcop_pass_dmx_packets(struct flexcop_device *fc, u8 *buf, u32 no);
 113
 114struct flexcop_device *flexcop_device_kmalloc(size_t bus_specific_len);
 115void flexcop_device_kfree(struct flexcop_device *);
 116
 117int flexcop_device_initialize(struct flexcop_device *);
 118void flexcop_device_exit(struct flexcop_device *fc);
 119void flexcop_reset_block_300(struct flexcop_device *fc);
 120
 121/* from flexcop-dma.c */
 122int flexcop_dma_allocate(struct pci_dev *pdev,
 123                struct flexcop_dma *dma, u32 size);
 124void flexcop_dma_free(struct flexcop_dma *dma);
 125
 126int flexcop_dma_control_timer_irq(struct flexcop_device *fc,
 127                flexcop_dma_index_t no, int onoff);
 128int flexcop_dma_control_size_irq(struct flexcop_device *fc,
 129                flexcop_dma_index_t no, int onoff);
 130int flexcop_dma_config(struct flexcop_device *fc, struct flexcop_dma *dma,
 131                flexcop_dma_index_t dma_idx);
 132int flexcop_dma_xfer_control(struct flexcop_device *fc,
 133                flexcop_dma_index_t dma_idx, flexcop_dma_addr_index_t index,
 134                int onoff);
 135int flexcop_dma_config_timer(struct flexcop_device *fc,
 136                flexcop_dma_index_t dma_idx, u8 cycles);
 137
 138/* from flexcop-eeprom.c */
 139/* the PCI part uses this call to get the MAC address, the USB part has its own */
 140int flexcop_eeprom_check_mac_addr(struct flexcop_device *fc, int extended);
 141
 142/* from flexcop-i2c.c */
 143/* the PCI part uses this a i2c_request callback, whereas the usb part has its own
 144 * one. We have it in flexcop-i2c.c, because it is going via the actual
 145 * I2C-channel of the flexcop.
 146 */
 147int flexcop_i2c_request(struct flexcop_i2c_adapter*, flexcop_access_op_t,
 148        u8 chipaddr, u8 addr, u8 *buf, u16 len);
 149
 150/* from flexcop-sram.c */
 151int flexcop_sram_set_dest(struct flexcop_device *fc, flexcop_sram_dest_t dest,
 152        flexcop_sram_dest_target_t target);
 153void flexcop_wan_set_speed(struct flexcop_device *fc, flexcop_wan_speed_t s);
 154void flexcop_sram_ctrl(struct flexcop_device *fc,
 155                int usb_wan, int sramdma, int maximumfill);
 156
 157/* global prototypes for the flexcop-chip */
 158/* from flexcop-fe-tuner.c */
 159int flexcop_frontend_init(struct flexcop_device *fc);
 160void flexcop_frontend_exit(struct flexcop_device *fc);
 161
 162/* from flexcop-i2c.c */
 163int flexcop_i2c_init(struct flexcop_device *fc);
 164void flexcop_i2c_exit(struct flexcop_device *fc);
 165
 166/* from flexcop-sram.c */
 167int flexcop_sram_init(struct flexcop_device *fc);
 168
 169/* from flexcop-misc.c */
 170void flexcop_determine_revision(struct flexcop_device *fc);
 171void flexcop_device_name(struct flexcop_device *fc,
 172                const char *prefix, const char *suffix);
 173void flexcop_dump_reg(struct flexcop_device *fc,
 174                flexcop_ibi_register reg, int num);
 175
 176/* from flexcop-hw-filter.c */
 177int flexcop_pid_feed_control(struct flexcop_device *fc,
 178                struct dvb_demux_feed *dvbdmxfeed, int onoff);
 179void flexcop_hw_filter_init(struct flexcop_device *fc);
 180
 181void flexcop_smc_ctrl(struct flexcop_device *fc, int onoff);
 182
 183void flexcop_set_mac_filter(struct flexcop_device *fc, u8 mac[6]);
 184void flexcop_mac_filter_ctrl(struct flexcop_device *fc, int onoff);
 185
 186#endif
 187