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
  39 struct 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
  49 struct 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  */
  60 struct 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 */
 111 void flexcop_pass_dmx_data(struct flexcop_device *fc, u8 *buf, u32 len);
 112 void flexcop_pass_dmx_packets(struct flexcop_device *fc, u8 *buf, u32 no);
 113
 114 struct flexcop_device *flexcop_device_kmalloc(size_t bus_specific_len);
 115 void flexcop_device_kfree(struct flexcop_device *);
 116
 117 int flexcop_device_initialize(struct flexcop_device *);
 118 void flexcop_device_exit(struct flexcop_device *fc);
 119 void flexcop_reset_block_300(struct flexcop_device *fc);
 120
 121 /* from flexcop-dma.c */
 122 int flexcop_dma_allocate(struct pci_dev *pdev,
 123                 struct flexcop_dma *dma, u32 size);
 124 void flexcop_dma_free(struct flexcop_dma *dma);
 125
 126 int flexcop_dma_control_timer_irq(struct flexcop_device *fc,
 127                 flexcop_dma_index_t no, int onoff);
 128 int flexcop_dma_control_size_irq(struct flexcop_device *fc,
 129                 flexcop_dma_index_t no, int onoff);
 130 int flexcop_dma_config(struct flexcop_device *fc, struct flexcop_dma *dma,
 131                 flexcop_dma_index_t dma_idx);
 132 int flexcop_dma_xfer_control(struct flexcop_device *fc,
 133                 flexcop_dma_index_t dma_idx, flexcop_dma_addr_index_t index,
 134                 int onoff);
 135 int 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 */
 140 int 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  */
 147 int 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 */
 151 int flexcop_sram_set_dest(struct flexcop_device *fc, flexcop_sram_dest_t dest,
 152         flexcop_sram_dest_target_t target);
 153 void flexcop_wan_set_speed(struct flexcop_device *fc, flexcop_wan_speed_t s);
 154 void 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 */
 159 int flexcop_frontend_init(struct flexcop_device *fc);
 160 void flexcop_frontend_exit(struct flexcop_device *fc);
 161
 162 /* from flexcop-i2c.c */
 163 int flexcop_i2c_init(struct flexcop_device *fc);
 164 void flexcop_i2c_exit(struct flexcop_device *fc);
 165
 166 /* from flexcop-sram.c */
 167 int flexcop_sram_init(struct flexcop_device *fc);
 168
 169 /* from flexcop-misc.c */
 170 void flexcop_determine_revision(struct flexcop_device *fc);
 171 void flexcop_device_name(struct flexcop_device *fc,
 172                 const char *prefix, const char *suffix);
 173 void flexcop_dump_reg(struct flexcop_device *fc,
 174                 flexcop_ibi_register reg, int num);
 175
 176 /* from flexcop-hw-filter.c */
 177 int flexcop_pid_feed_control(struct flexcop_device *fc,
 178                 struct dvb_demux_feed *dvbdmxfeed, int onoff);
 179 void flexcop_hw_filter_init(struct flexcop_device *fc);
 180
 181 void flexcop_smc_ctrl(struct flexcop_device *fc, int onoff);
 182
 183 void flexcop_set_mac_filter(struct flexcop_device *fc, u8 mac[6]);
 184 void flexcop_mac_filter_ctrl(struct flexcop_device *fc, int onoff);
 185
 186 #endif