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 187