// SPDX-License-Identifier: GPL-2.0-or-later /* * altera-ci.c * * CI driver in conjunction with NetUp Dual DVB-T/C RF CI card * * Copyright (C) 2010,2011 NetUP Inc. * Copyright (C) 2010,2011 Igor M. Liplianin <[email protected]> */ /* * currently cx23885 GPIO's used. * GPIO-0 ~INT in * GPIO-1 TMS out * GPIO-2 ~reset chips out * GPIO-3 to GPIO-10 data/addr for CA in/out * GPIO-11 ~CS out * GPIO-12 AD_RG out * GPIO-13 ~WR out * GPIO-14 ~RD out * GPIO-15 ~RDY in * GPIO-16 TCK out * GPIO-17 TDO in * GPIO-18 TDI out */ /* * Bit definitions for MC417_RWD and MC417_OEN registers * bits 31-16 * +-----------+ * | Reserved | * +-----------+ * bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8 * +-------+-------+-------+-------+-------+-------+-------+-------+ * | TDI | TDO | TCK | RDY# | #RD | #WR | AD_RG | #CS | * +-------+-------+-------+-------+-------+-------+-------+-------+ * bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 * +-------+-------+-------+-------+-------+-------+-------+-------+ * | DATA7| DATA6| DATA5| DATA4| DATA3| DATA2| DATA1| DATA0| * +-------+-------+-------+-------+-------+-------+-------+-------+ */ #define pr_fmt(fmt) … #include <media/dvb_demux.h> #include <media/dvb_frontend.h> #include "altera-ci.h" #include <media/dvb_ca_en50221.h> /* FPGA regs */ #define NETUP_CI_INT_CTRL … #define NETUP_CI_BUSCTRL2 … #define NETUP_CI_ADDR0 … #define NETUP_CI_ADDR1 … #define NETUP_CI_DATA … #define NETUP_CI_BUSCTRL … #define NETUP_CI_PID_ADDR0 … #define NETUP_CI_PID_ADDR1 … #define NETUP_CI_PID_DATA … #define NETUP_CI_TSA_DIV … #define NETUP_CI_TSB_DIV … #define NETUP_CI_REVISION … /* const for ci op */ #define NETUP_CI_FLG_CTL … #define NETUP_CI_FLG_RD … #define NETUP_CI_FLG_AD … static unsigned int ci_dbg; module_param(ci_dbg, int, 0644); MODULE_PARM_DESC(…) …; static unsigned int pid_dbg; module_param(pid_dbg, int, 0644); MODULE_PARM_DESC(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; #define ci_dbg_print(fmt, args...) … #define pid_dbg_print(fmt, args...) … struct altera_ci_state; struct netup_hw_pid_filter; struct fpga_internal { … }; /* stores all private variables for communication with CI */ struct altera_ci_state { … }; /* stores all private variables for hardware pid filtering */ struct netup_hw_pid_filter { … }; /* internal params node */ struct fpga_inode { … }; /* first internal params */ static struct fpga_inode *fpga_first_inode; /* find chip by dev */ static struct fpga_inode *find_inode(void *dev) { … } /* check demux */ static struct fpga_internal *check_filter(struct fpga_internal *temp_int, void *demux_dev, int filt_nr) { … } /* find chip by demux */ static struct fpga_inode *find_dinode(void *demux_dev) { … } /* deallocating chip */ static void remove_inode(struct fpga_internal *internal) { … } /* allocating new chip */ static struct fpga_inode *append_internal(struct fpga_internal *internal) { … } static int netup_fpga_op_rw(struct fpga_internal *inter, int addr, u8 val, u8 read) { … } /* flag - mem/io, read - read/write */ static int altera_ci_op_cam(struct dvb_ca_en50221 *en50221, int slot, u8 flag, u8 read, int addr, u8 val) { … } static int altera_ci_read_attribute_mem(struct dvb_ca_en50221 *en50221, int slot, int addr) { … } static int altera_ci_write_attribute_mem(struct dvb_ca_en50221 *en50221, int slot, int addr, u8 data) { … } static int altera_ci_read_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, u8 addr) { … } static int altera_ci_write_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, u8 addr, u8 data) { … } static int altera_ci_slot_reset(struct dvb_ca_en50221 *en50221, int slot) { … } static int altera_ci_slot_shutdown(struct dvb_ca_en50221 *en50221, int slot) { … } static int altera_ci_slot_ts_ctl(struct dvb_ca_en50221 *en50221, int slot) { … } /* work handler */ static void netup_read_ci_status(struct work_struct *work) { … } /* CI irq handler */ int altera_ci_irq(void *dev) { … } EXPORT_SYMBOL(…); static int altera_poll_ci_slot_status(struct dvb_ca_en50221 *en50221, int slot, int open) { … } static void altera_hw_filt_release(void *main_dev, int filt_nr) { … } void altera_ci_release(void *dev, int ci_nr) { … } EXPORT_SYMBOL(…); static void altera_pid_control(struct netup_hw_pid_filter *pid_filt, u16 pid, int onoff) { … } static void altera_toggle_fullts_streaming(struct netup_hw_pid_filter *pid_filt, int filt_nr, int onoff) { … } static int altera_pid_feed_control(void *demux_dev, int filt_nr, struct dvb_demux_feed *feed, int onoff) { … } static int altera_ci_start_feed(struct dvb_demux_feed *feed, int num) { … } static int altera_ci_stop_feed(struct dvb_demux_feed *feed, int num) { … } static int altera_ci_start_feed_1(struct dvb_demux_feed *feed) { … } static int altera_ci_stop_feed_1(struct dvb_demux_feed *feed) { … } static int altera_ci_start_feed_2(struct dvb_demux_feed *feed) { … } static int altera_ci_stop_feed_2(struct dvb_demux_feed *feed) { … } static int altera_hw_filt_init(struct altera_ci_config *config, int hw_filt_nr) { … } int altera_ci_init(struct altera_ci_config *config, int ci_nr) { … } EXPORT_SYMBOL(…); int altera_ci_tuner_reset(void *dev, int ci_nr) { … } EXPORT_SYMBOL(…);
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