// SPDX-License-Identifier: GPL-2.0 /* * ddbridge-core.c: Digital Devices bridge core functions * * Copyright (C) 2010-2017 Digital Devices GmbH * Marcus Metzler <[email protected]> * Ralph Metzler <[email protected]> */ #include <linux/module.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/poll.h> #include <linux/io.h> #include <linux/pci.h> #include <linux/pci_ids.h> #include <linux/timer.h> #include <linux/i2c.h> #include <linux/swab.h> #include <linux/vmalloc.h> #include "ddbridge.h" #include "ddbridge-i2c.h" #include "ddbridge-regs.h" #include "ddbridge-max.h" #include "ddbridge-ci.h" #include "ddbridge-io.h" #include "tda18271c2dd.h" #include "stv6110x.h" #include "stv090x.h" #include "lnbh24.h" #include "drxk.h" #include "stv0367.h" #include "stv0367_priv.h" #include "cxd2841er.h" #include "tda18212.h" #include "stv0910.h" #include "stv6111.h" #include "lnbh25.h" #include "cxd2099.h" #include "ddbridge-dummy-fe.h" /****************************************************************************/ #define DDB_MAX_ADAPTER … /****************************************************************************/ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); static int adapter_alloc; module_param(adapter_alloc, int, 0444); MODULE_PARM_DESC(…) …; static int ci_bitrate = …; module_param(ci_bitrate, int, 0444); MODULE_PARM_DESC(…) …; static int ts_loop = …; module_param(ts_loop, int, 0444); MODULE_PARM_DESC(…) …; static int xo2_speed = …; module_param(xo2_speed, int, 0444); MODULE_PARM_DESC(…) …; #ifdef __arm__ static int alt_dma = 1; #else static int alt_dma; #endif module_param(alt_dma, int, 0444); MODULE_PARM_DESC(…) …; static int no_init; module_param(no_init, int, 0444); MODULE_PARM_DESC(…) …; static int stv0910_single; module_param(stv0910_single, int, 0444); MODULE_PARM_DESC(…) …; static int dma_buf_num = …; module_param(dma_buf_num, int, 0444); MODULE_PARM_DESC(…) …; static int dma_buf_size = …; module_param(dma_buf_size, int, 0444); MODULE_PARM_DESC(…) …; static int dummy_tuner; module_param(dummy_tuner, int, 0444); MODULE_PARM_DESC(…) …; /****************************************************************************/ static DEFINE_MUTEX(redirect_lock); static struct workqueue_struct *ddb_wq; static struct ddb *ddbs[DDB_MAX_ADAPTER]; /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ struct ddb_irq *ddb_irq_set(struct ddb *dev, u32 link, u32 nr, void (*handler)(void *), void *data) { … } static void ddb_set_dma_table(struct ddb_io *io) { … } static void ddb_set_dma_tables(struct ddb *dev) { … } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static void ddb_redirect_dma(struct ddb *dev, struct ddb_dma *sdma, struct ddb_dma *ddma) { … } static int ddb_unredirect(struct ddb_port *port) { … } static int ddb_redirect(u32 i, u32 p) { … } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static void dma_free(struct pci_dev *pdev, struct ddb_dma *dma, int dir) { … } static int dma_alloc(struct pci_dev *pdev, struct ddb_dma *dma, int dir) { … } int ddb_buffers_alloc(struct ddb *dev) { … } void ddb_buffers_free(struct ddb *dev) { … } static void calc_con(struct ddb_output *output, u32 *con, u32 *con2, u32 flags) { … } static void ddb_output_start(struct ddb_output *output) { … } static void ddb_output_stop(struct ddb_output *output) { … } static void ddb_input_stop(struct ddb_input *input) { … } static void ddb_input_start(struct ddb_input *input) { … } static void ddb_input_start_all(struct ddb_input *input) { … } static void ddb_input_stop_all(struct ddb_input *input) { … } static u32 ddb_output_free(struct ddb_output *output) { … } static ssize_t ddb_output_write(struct ddb_output *output, const __user u8 *buf, size_t count) { … } static u32 ddb_input_avail(struct ddb_input *input) { … } static ssize_t ddb_input_read(struct ddb_input *input, __user u8 *buf, size_t count) { … } /****************************************************************************/ /****************************************************************************/ static ssize_t ts_write(struct file *file, const __user char *buf, size_t count, loff_t *ppos) { … } static ssize_t ts_read(struct file *file, __user char *buf, size_t count, loff_t *ppos) { … } static __poll_t ts_poll(struct file *file, poll_table *wait) { … } static int ts_release(struct inode *inode, struct file *file) { … } static int ts_open(struct inode *inode, struct file *file) { … } static const struct file_operations ci_fops = …; static struct dvb_device dvbdev_ci = …; /****************************************************************************/ /****************************************************************************/ static int locked_gate_ctrl(struct dvb_frontend *fe, int enable) { … } static int demod_attach_drxk(struct ddb_input *input) { … } static int tuner_attach_tda18271(struct ddb_input *input) { … } /******************************************************************************/ /******************************************************************************/ /******************************************************************************/ static struct stv0367_config ddb_stv0367_config[] = …; static int demod_attach_stv0367(struct ddb_input *input) { … } static int tuner_tda18212_ping(struct ddb_input *input, unsigned short adr) { … } static int demod_attach_cxd28xx(struct ddb_input *input, int par, int osc24) { … } static int tuner_attach_tda18212(struct ddb_input *input, u32 porttype) { … } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static struct stv090x_config stv0900 = …; static struct stv090x_config stv0900_aa = …; static struct stv6110x_config stv6110a = …; static struct stv6110x_config stv6110b = …; static int demod_attach_stv0900(struct ddb_input *input, int type) { … } static int tuner_attach_stv6110(struct ddb_input *input, int type) { … } static const struct stv0910_cfg stv0910_p = …; static const struct lnbh25_config lnbh25_cfg = …; static int has_lnbh25(struct i2c_adapter *i2c, u8 adr) { … } static int demod_attach_stv0910(struct ddb_input *input, int type, int tsfast) { … } static int tuner_attach_stv6111(struct ddb_input *input, int type) { … } static int demod_attach_dummy(struct ddb_input *input) { … } static int start_feed(struct dvb_demux_feed *dvbdmxfeed) { … } static int stop_feed(struct dvb_demux_feed *dvbdmxfeed) { … } static void dvb_input_detach(struct ddb_input *input) { … } static int dvb_register_adapters(struct ddb *dev) { … } static void dvb_unregister_adapters(struct ddb *dev) { … } static int dvb_input_attach(struct ddb_input *input) { … } static int port_has_encti(struct ddb_port *port) { … } static int port_has_cxd(struct ddb_port *port, u8 *type) { … } static int port_has_xo2(struct ddb_port *port, u8 *type, u8 *id) { … } static int port_has_stv0900(struct ddb_port *port) { … } static int port_has_stv0900_aa(struct ddb_port *port, u8 *id) { … } static int port_has_drxks(struct ddb_port *port) { … } static int port_has_stv0367(struct ddb_port *port) { … } static int init_xo2(struct ddb_port *port) { … } static int init_xo2_ci(struct ddb_port *port) { … } static int port_has_cxd28xx(struct ddb_port *port, u8 *id) { … } static char *xo2names[] = …; static char *xo2types[] = …; static void ddb_port_probe(struct ddb_port *port) { … } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static int ddb_port_attach(struct ddb_port *port) { … } int ddb_ports_attach(struct ddb *dev) { … } void ddb_ports_detach(struct ddb *dev) { … } /* Copy input DMA pointers to output DMA and ACK. */ static void input_write_output(struct ddb_input *input, struct ddb_output *output) { … } static void output_ack_input(struct ddb_output *output, struct ddb_input *input) { … } static void input_write_dvb(struct ddb_input *input, struct ddb_input *input2) { … } static void input_work(struct work_struct *work) { … } static void input_handler(void *data) { … } static void output_work(struct work_struct *work) { … } static void output_handler(void *data) { … } /****************************************************************************/ /****************************************************************************/ static const struct ddb_regmap *io_regmap(struct ddb_io *io, int link) { … } static void ddb_dma_init(struct ddb_io *io, int nr, int out) { … } static void ddb_input_init(struct ddb_port *port, int nr, int pnr, int anr) { … } static void ddb_output_init(struct ddb_port *port, int nr) { … } static int ddb_port_match_i2c(struct ddb_port *port) { … } static int ddb_port_match_link_i2c(struct ddb_port *port) { … } void ddb_ports_init(struct ddb *dev) { … } void ddb_ports_release(struct ddb *dev) { … } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ #define IRQ_HANDLE(_nr) … #define IRQ_HANDLE_NIBBLE(_shift) … #define IRQ_HANDLE_BYTE(_shift) … static void irq_handle_msg(struct ddb *dev, u32 s) { … } static void irq_handle_io(struct ddb *dev, u32 s) { … } irqreturn_t ddb_irq_handler0(int irq, void *dev_id) { … } irqreturn_t ddb_irq_handler1(int irq, void *dev_id) { … } irqreturn_t ddb_irq_handler(int irq, void *dev_id) { … } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static int reg_wait(struct ddb *dev, u32 reg, u32 bit) { … } static int flashio(struct ddb *dev, u32 lnr, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen) { … } int ddbridge_flashread(struct ddb *dev, u32 link, u8 *buf, u32 addr, u32 len) { … } /* * TODO/FIXME: add/implement IOCTLs from upstream driver */ #define DDB_NAME … static u32 ddb_num; static int ddb_major; static DEFINE_MUTEX(ddb_mutex); static int ddb_release(struct inode *inode, struct file *file) { … } static int ddb_open(struct inode *inode, struct file *file) { … } static long ddb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { … } static const struct file_operations ddb_fops = …; static char *ddb_devnode(const struct device *device, umode_t *mode) { … } #define __ATTR_MRO(_name, _show) … #define __ATTR_MWO(_name, _store) … static ssize_t ports_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t ts_irq_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t i2c_irq_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t fan_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t fan_store(struct device *device, struct device_attribute *d, const char *buf, size_t count) { … } static ssize_t fanspeed_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t temp_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t ctemp_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t led_show(struct device *device, struct device_attribute *attr, char *buf) { … } static void ddb_set_led(struct ddb *dev, int num, int val) { … } static ssize_t led_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t snr_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t bsnr_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t bpsnr_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t redirect_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t redirect_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t gap_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t gap_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t version_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t hwid_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t regmap_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t fmode_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t devid_show(struct device *device, struct device_attribute *attr, char *buf) { … } static ssize_t fmode_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { … } static struct device_attribute ddb_attrs[] = …; static struct device_attribute ddb_attrs_temp[] = …; static struct device_attribute ddb_attrs_fan[] = …; static struct device_attribute ddb_attrs_snr[] = …; static struct device_attribute ddb_attrs_ctemp[] = …; static struct device_attribute ddb_attrs_led[] = …; static struct device_attribute ddb_attrs_fanspeed[] = …; static struct class ddb_class = …; static int ddb_class_create(void) { … } static void ddb_class_destroy(void) { … } static void ddb_device_attrs_del(struct ddb *dev) { … } static int ddb_device_attrs_add(struct ddb *dev) { … } int ddb_device_create(struct ddb *dev) { … } void ddb_device_destroy(struct ddb *dev) { … } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static void tempmon_setfan(struct ddb_link *link) { … } static void temp_handler(void *data) { … } static int tempmon_init(struct ddb_link *link, int first_time) { … } static int ddb_init_tempmon(struct ddb_link *link) { … } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static int ddb_init_boards(struct ddb *dev) { … } int ddb_init(struct ddb *dev) { … } void ddb_unmap(struct ddb *dev) { … } int ddb_exit_ddbridge(int stage, int error) { … } int ddb_init_ddbridge(void) { … }
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