// SPDX-License-Identifier: GPL-2.0-only /* * avm_fritz.c low level stuff for AVM FRITZ!CARD PCI ISDN cards * Thanks to AVM, Berlin for informations * * Author Karsten Keil <[email protected]> * * Copyright 2009 by Karsten Keil <[email protected]> */ #include <linux/interrupt.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/delay.h> #include <linux/mISDNhw.h> #include <linux/slab.h> #include <asm/unaligned.h> #include "ipac.h" #define AVMFRITZ_REV … static int AVM_cnt; static int debug; enum { … }; #define HDLC_FIFO … #define HDLC_STATUS … #define CHIP_WINDOW … #define CHIP_INDEX … #define AVM_HDLC_1 … #define AVM_HDLC_2 … #define AVM_ISAC_FIFO … #define AVM_ISAC_REG_LOW … #define AVM_ISAC_REG_HIGH … #define AVM_STATUS0_IRQ_ISAC … #define AVM_STATUS0_IRQ_HDLC … #define AVM_STATUS0_IRQ_TIMER … #define AVM_STATUS0_IRQ_MASK … #define AVM_STATUS0_RESET … #define AVM_STATUS0_DIS_TIMER … #define AVM_STATUS0_RES_TIMER … #define AVM_STATUS0_ENA_IRQ … #define AVM_STATUS0_TESTBIT … #define AVM_STATUS1_INT_SEL … #define AVM_STATUS1_ENA_IOM … #define HDLC_MODE_ITF_FLG … #define HDLC_MODE_TRANS … #define HDLC_MODE_CCR_7 … #define HDLC_MODE_CCR_16 … #define HDLC_FIFO_SIZE_128 … #define HDLC_MODE_TESTLOOP … #define HDLC_INT_XPR … #define HDLC_INT_XDU … #define HDLC_INT_RPR … #define HDLC_INT_MASK … #define HDLC_STAT_RME … #define HDLC_STAT_RDO … #define HDLC_STAT_CRCVFRRAB … #define HDLC_STAT_CRCVFR … #define HDLC_STAT_RML_MASK_V1 … #define HDLC_STAT_RML_MASK_V2 … #define HDLC_CMD_XRS … #define HDLC_CMD_XME … #define HDLC_CMD_RRS … #define HDLC_CMD_XML_MASK … #define HDLC_FIFO_SIZE_V1 … #define HDLC_FIFO_SIZE_V2 … /* Fritz PCI v2.0 */ #define AVM_HDLC_FIFO_1 … #define AVM_HDLC_FIFO_2 … #define AVM_HDLC_STATUS_1 … #define AVM_HDLC_STATUS_2 … #define AVM_ISACX_INDEX … #define AVM_ISACX_DATA … /* data struct */ #define LOG_SIZE … struct hdlc_stat_reg { … } __attribute__((packed)); struct hdlc_hw { … }; struct fritzcard { … }; static LIST_HEAD(Cards); static DEFINE_RWLOCK(card_lock); /* protect Cards */ static void _set_debug(struct fritzcard *card) { … } static int set_debug(const char *val, const struct kernel_param *kp) { … } MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_VERSION(…); module_param_call(…); MODULE_PARM_DESC(…) …; /* Interface functions */ static u8 ReadISAC_V1(void *p, u8 offset) { … } static void WriteISAC_V1(void *p, u8 offset, u8 value) { … } static void ReadFiFoISAC_V1(void *p, u8 off, u8 *data, int size) { … } static void WriteFiFoISAC_V1(void *p, u8 off, u8 *data, int size) { … } static u8 ReadISAC_V2(void *p, u8 offset) { … } static void WriteISAC_V2(void *p, u8 offset, u8 value) { … } static void ReadFiFoISAC_V2(void *p, u8 off, u8 *data, int size) { … } static void WriteFiFoISAC_V2(void *p, u8 off, u8 *data, int size) { … } static struct bchannel * Sel_BCS(struct fritzcard *fc, u32 channel) { … } static inline void __write_ctrl_pci(struct fritzcard *fc, struct hdlc_hw *hdlc, u32 channel) { … } static inline void __write_ctrl_pciv2(struct fritzcard *fc, struct hdlc_hw *hdlc, u32 channel) { … } static void write_ctrl(struct bchannel *bch, int which) { … } static inline u32 __read_status_pci(u_long addr, u32 channel) { … } static inline u32 __read_status_pciv2(u_long addr, u32 channel) { … } static u32 read_status(struct fritzcard *fc, u32 channel) { … } static void enable_hwirq(struct fritzcard *fc) { … } static void disable_hwirq(struct fritzcard *fc) { … } static int modehdlc(struct bchannel *bch, int protocol) { … } static void hdlc_empty_fifo(struct bchannel *bch, int count) { … } static void hdlc_fill_fifo(struct bchannel *bch) { … } static void HDLC_irq_xpr(struct bchannel *bch) { … } static void HDLC_irq(struct bchannel *bch, u32 stat) { … } static inline void HDLC_irq_main(struct fritzcard *fc) { … } static irqreturn_t avm_fritz_interrupt(int intno, void *dev_id) { … } static irqreturn_t avm_fritzv2_interrupt(int intno, void *dev_id) { … } static int avm_l2l1B(struct mISDNchannel *ch, struct sk_buff *skb) { … } static void inithdlc(struct fritzcard *fc) { … } static void clear_pending_hdlc_ints(struct fritzcard *fc) { … } static void reset_avm(struct fritzcard *fc) { … } static int init_card(struct fritzcard *fc) { … } static int channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq) { … } static int avm_bctrl(struct mISDNchannel *ch, u32 cmd, void *arg) { … } static int channel_ctrl(struct fritzcard *fc, struct mISDN_ctrl_req *cq) { … } static int open_bchannel(struct fritzcard *fc, struct channel_req *rq) { … } /* * device control function */ static int avm_dctrl(struct mISDNchannel *ch, u32 cmd, void *arg) { … } static int setup_fritz(struct fritzcard *fc) { … } static void release_card(struct fritzcard *card) { … } static int setup_instance(struct fritzcard *card) { … } static int fritzpci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { … } static void fritz_remove_pci(struct pci_dev *pdev) { … } static const struct pci_device_id fcpci_ids[] = …; MODULE_DEVICE_TABLE(pci, fcpci_ids); static struct pci_driver fcpci_driver = …; static int __init AVM_init(void) { … } static void __exit AVM_cleanup(void) { … } module_init(…) …; module_exit(AVM_cleanup);
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