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_config(struct flexcop_device *fc, struct flexcop_dma *dma,
129		flexcop_dma_index_t dma_idx);
130int flexcop_dma_xfer_control(struct flexcop_device *fc,
131		flexcop_dma_index_t dma_idx, flexcop_dma_addr_index_t index,
132		int onoff);
133int flexcop_dma_config_timer(struct flexcop_device *fc,
134		flexcop_dma_index_t dma_idx, u8 cycles);
135
136/* from flexcop-eeprom.c */
137/* the PCI part uses this call to get the MAC address, the USB part has its own */
138int flexcop_eeprom_check_mac_addr(struct flexcop_device *fc, int extended);
139
140/* from flexcop-i2c.c */
141/* the PCI part uses this a i2c_request callback, whereas the usb part has its own
142 * one. We have it in flexcop-i2c.c, because it is going via the actual
143 * I2C-channel of the flexcop.
144 */
145int flexcop_i2c_request(struct flexcop_i2c_adapter*, flexcop_access_op_t,
146	u8 chipaddr, u8 addr, u8 *buf, u16 len);
147
148/* from flexcop-sram.c */
149int flexcop_sram_set_dest(struct flexcop_device *fc, flexcop_sram_dest_t dest,
150	flexcop_sram_dest_target_t target);
151void flexcop_wan_set_speed(struct flexcop_device *fc, flexcop_wan_speed_t s);
152void flexcop_sram_ctrl(struct flexcop_device *fc,
153		int usb_wan, int sramdma, int maximumfill);
154
155/* global prototypes for the flexcop-chip */
156/* from flexcop-fe-tuner.c */
157int flexcop_frontend_init(struct flexcop_device *fc);
158void flexcop_frontend_exit(struct flexcop_device *fc);
159
160/* from flexcop-i2c.c */
161int flexcop_i2c_init(struct flexcop_device *fc);
162void flexcop_i2c_exit(struct flexcop_device *fc);
163
164/* from flexcop-sram.c */
165int flexcop_sram_init(struct flexcop_device *fc);
166
167/* from flexcop-misc.c */
168void flexcop_determine_revision(struct flexcop_device *fc);
169void flexcop_device_name(struct flexcop_device *fc,
170		const char *prefix, const char *suffix);
171
172/* from flexcop-hw-filter.c */
173int flexcop_pid_feed_control(struct flexcop_device *fc,
174		struct dvb_demux_feed *dvbdmxfeed, int onoff);
175void flexcop_hw_filter_init(struct flexcop_device *fc);
176
177void flexcop_smc_ctrl(struct flexcop_device *fc, int onoff);
178
179void flexcop_set_mac_filter(struct flexcop_device *fc, u8 mac[6]);
180void flexcop_mac_filter_ctrl(struct flexcop_device *fc, int onoff);
181
182#endif