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staging: gpib: Add common include files for GPIB drivers
Common include files used only by the drivers. Signed-off-by: Dave Penkler <dpenkler@gmail.com> Link: https://lore.kernel.org/r/20240918121908.19366-4-dpenkler@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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‎drivers/staging/gpib/include/amcc5920.h‎

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/* SPDX-License-Identifier: GPL-2.0 */
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/***************************************************************************
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* Header for amcc5920 pci chip
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*
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* copyright : (C) 2002 by Frank Mori Hess
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***************************************************************************/
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// plx pci chip registers and bits
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enum amcc_registers {
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AMCC_INTCS_REG = 0x38,
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AMCC_PASS_THRU_REG = 0x60,
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};
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enum amcc_incsr_bits {
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AMCC_ADDON_INTR_ENABLE_BIT = 0x2000,
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AMCC_ADDON_INTR_ACTIVE_BIT = 0x400000,
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AMCC_INTR_ACTIVE_BIT = 0x800000,
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};
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static const int bits_per_region = 8;
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static inline uint32_t amcc_wait_state_bits(unsigned int region, unsigned int num_wait_states)
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{
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return (num_wait_states & 0x7) << (-region * bits_per_region);
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};
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enum amcc_prefetch_bits {
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PREFETCH_DISABLED = 0x0,
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PREFETCH_SMALL = 0x8,
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PREFETCH_MEDIUM = 0x10,
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PREFETCH_LARGE = 0x18,
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};
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static inline uint32_t amcc_prefetch_bits(unsigned int region, enum amcc_prefetch_bits prefetch)
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{
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return prefetch << (--region * bits_per_region);
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};
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static inline uint32_t amcc_PTADR_mode_bit(unsigned int region)
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{
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return 0x80 << (--region * bits_per_region);
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};
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static inline uint32_t amcc_disable_write_fifo_bit(unsigned int region)
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{
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return 0x20 << (--region * bits_per_region);
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};
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‎drivers/staging/gpib/include/amccs5933.h‎

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/* SPDX-License-Identifier: GPL-2.0 */
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/***************************************************************************
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* Registers and bits for amccs5933 pci chip
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* copyright : (C) 2002 by Frank Mori Hess
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***************************************************************************/
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// register offsets
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enum {
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MBEF_REG = 0x34, // mailbux empty/full
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INTCSR_REG = 0x38, // interrupt control and status
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BMCSR_REG = 0x3c, // bus master control and status
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};
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// incoming mailbox 0-3 register offsets
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extern inline int INCOMING_MAILBOX_REG(unsigned int mailbox)
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{
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return (0x10 + 4 * mailbox);
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};
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// bit definitions
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// INTCSR bits
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enum {
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OUTBOX_EMPTY_INTR_BIT = 0x10, // enable outbox empty interrupt
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INBOX_FULL_INTR_BIT = 0x1000, // enable inbox full interrupt
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INBOX_INTR_CS_BIT = 0x20000, // read, or write clear inbox full interrupt
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INTR_ASSERTED_BIT = 0x800000, // read only, interrupt asserted
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};
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// select byte 0 to 3 of incoming mailbox
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extern inline int INBOX_BYTE_BITS(unsigned int byte)
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{
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return (byte & 0x3) << 8;
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};
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// select incoming mailbox 0 to 3
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extern inline int INBOX_SELECT_BITS(unsigned int mailbox)
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{
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return (mailbox & 0x3) << 10;
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};
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// select byte 0 to 3 of outgoing mailbox
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extern inline int OUTBOX_BYTE_BITS(unsigned int byte)
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{
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return (byte & 0x3);
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};
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// select outgoing mailbox 0 to 3
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extern inline int OUTBOX_SELECT_BITS(unsigned int mailbox)
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{
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return (mailbox & 0x3) << 2;
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};
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//BMCSR bits
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enum {
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MBOX_FLAGS_RESET_BIT = 0x08000000, // resets mailbox empty/full flags
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};
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‎drivers/staging/gpib/include/gpibP.h‎

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/* SPDX-License-Identifier: GPL-2.0 */
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/***************************************************************************
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* copyright : (C) 2002,2003 by Frank Mori Hess
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***************************************************************************/
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#ifndef _GPIB_P_H
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#define _GPIB_P_H
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#include <linux/types.h>
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#include "gpib_types.h"
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#include "gpib_proto.h"
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#include "gpib_user.h"
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#include "gpib_ioctl.h"
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#include <linux/fs.h>
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#include <linux/interrupt.h>
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void gpib_register_driver(gpib_interface_t *interface, struct module *mod);
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void gpib_unregister_driver(gpib_interface_t *interface);
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struct pci_dev *gpib_pci_get_device(const gpib_board_config_t *config, unsigned int vendor_id,
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unsigned int device_id, struct pci_dev *from);
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struct pci_dev *gpib_pci_get_subsys(const gpib_board_config_t *config, unsigned int vendor_id,
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unsigned int device_id, unsigned int ss_vendor,
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unsigned int ss_device, struct pci_dev *from);
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unsigned int num_gpib_events(const gpib_event_queue_t *queue);
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int push_gpib_event(gpib_board_t *board, short event_type);
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int pop_gpib_event(gpib_event_queue_t *queue, short *event_type);
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int gpib_request_pseudo_irq(gpib_board_t *board, irqreturn_t (*handler)(int, void *));
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void gpib_free_pseudo_irq(gpib_board_t *board);
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int gpib_match_device_path(struct device *dev, const char *device_path_in);
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extern gpib_board_t board_array[GPIB_MAX_NUM_BOARDS];
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extern struct list_head registered_drivers;
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#ifdef GPIB_DEBUG
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#define GPIB_DPRINTK(format, args...) pr_info("gpib debug: " format, ## args)
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#else
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#define GPIB_DPRINTK(arg...)
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#endif
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#include <linux/io.h>
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void writeb_wrapper(unsigned int value, void *address);
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unsigned int readb_wrapper(void *address);
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void outb_wrapper(unsigned int value, void *address);
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unsigned int inb_wrapper(void *address);
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void writew_wrapper(unsigned int value, void *address);
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unsigned int readw_wrapper(void *address);
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void outw_wrapper(unsigned int value, void *address);
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unsigned int inw_wrapper(void *address);
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#endif // _GPIB_P_H
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‎drivers/staging/gpib/include/gpib_pci_ids.h‎

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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __GPIB_PCI_IDS_H
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#define __GPIB_LINUX_PCI_IDS_H
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#ifndef PCI_VENDOR_ID_AMCC
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#define PCI_VENDOR_ID_AMCC 0x10e8
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#endif
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#ifndef PCI_VENDOR_ID_CBOARDS
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#define PCI_VENDOR_ID_CBOARDS 0x1307
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#endif
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#ifndef PCI_VENDOR_ID_QUANCOM
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#define PCI_VENDOR_ID_QUANCOM 0x8008
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#endif
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#ifndef PCI_DEVICE_ID_QUANCOM_GPIB
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#define PCI_DEVICE_ID_QUANCOM_GPIB 0x3302
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#endif
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#endif // __GPIB_PCI_IDS_H
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‎drivers/staging/gpib/include/gpib_proto.h‎

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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef GPIB_PROTO_INCLUDED
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#define GPIB_PROTO_INCLUDED
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#include <linux/fs.h>
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int ibopen(struct inode *inode, struct file *filep);
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int ibclose(struct inode *inode, struct file *file);
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long ibioctl(struct file *filep, unsigned int cmd, unsigned long arg);
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int osInit(void);
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void osReset(void);
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void os_start_timer(gpib_board_t *board, unsigned int usec_timeout);
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void os_remove_timer(gpib_board_t *board);
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void osSendEOI(void);
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void osSendEOI(void);
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void init_gpib_board(gpib_board_t *board);
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static inline unsigned long usec_to_jiffies(unsigned int usec)
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{
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unsigned long usec_per_jiffy = 1000000 / HZ;
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return 1 + (usec + usec_per_jiffy - 1) / usec_per_jiffy;
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};
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int serial_poll_all(gpib_board_t *board, unsigned int usec_timeout);
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void init_gpib_descriptor(gpib_descriptor_t *desc);
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int dvrsp(gpib_board_t *board, unsigned int pad, int sad,
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unsigned int usec_timeout, uint8_t *result);
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int ibAPWait(gpib_board_t *board, int pad);
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int ibAPrsp(gpib_board_t *board, int padsad, char *spb);
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void ibAPE(gpib_board_t *board, int pad, int v);
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int ibcac(gpib_board_t *board, int sync, int fallback_to_async);
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int ibcmd(gpib_board_t *board, uint8_t *buf, size_t length, size_t *bytes_written);
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int ibgts(gpib_board_t *board);
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int ibonline(gpib_board_t *board);
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int iboffline(gpib_board_t *board);
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int iblines(const gpib_board_t *board, short *lines);
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int ibrd(gpib_board_t *board, uint8_t *buf, size_t length, int *end_flag, size_t *bytes_read);
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int ibrpp(gpib_board_t *board, uint8_t *buf);
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int ibrsv2(gpib_board_t *board, uint8_t status_byte, int new_reason_for_service);
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void ibrsc(gpib_board_t *board, int request_control);
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int ibsic(gpib_board_t *board, unsigned int usec_duration);
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int ibsre(gpib_board_t *board, int enable);
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int ibpad(gpib_board_t *board, unsigned int addr);
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int ibsad(gpib_board_t *board, int addr);
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int ibeos(gpib_board_t *board, int eos, int eosflags);
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int ibwait(gpib_board_t *board, int wait_mask, int clear_mask, int set_mask,
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int *status, unsigned long usec_timeout, gpib_descriptor_t *desc);
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int ibwrt(gpib_board_t *board, uint8_t *buf, size_t cnt, int send_eoi, size_t *bytes_written);
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int ibstatus(gpib_board_t *board);
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int general_ibstatus(gpib_board_t *board, const gpib_status_queue_t *device,
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int clear_mask, int set_mask, gpib_descriptor_t *desc);
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int io_timed_out(gpib_board_t *board);
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int ibppc(gpib_board_t *board, uint8_t configuration);
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#endif /* GPIB_PROTO_INCLUDED */

‎drivers/staging/gpib/include/gpib_state_machines.h‎

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/* SPDX-License-Identifier: GPL-2.0 */
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/***************************************************************************
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* copyright : (C) 2006 by Frank Mori Hess
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***************************************************************************/
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#ifndef _GPIB_STATE_MACHINES_H
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#define _GPIB_STATE_MACHINES_H
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enum talker_function_state {
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talker_idle,
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talker_addressed,
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talker_active,
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serial_poll_active
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};
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enum listener_function_state {
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listener_idle,
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listener_addressed,
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listener_active
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};
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#endif // _GPIB_STATE_MACHINES_H

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