// SPDX-License-Identifier: GPL-2.0-or-later /* * sym53c500_cs.c Bob Tracy ([email protected]) * * A rewrite of the pcmcia-cs add-on driver for newer (circa 1997) * New Media Bus Toaster PCMCIA SCSI cards using the Symbios Logic * 53c500 controller: intended for use with 2.6 and later kernels. * The pcmcia-cs add-on version of this driver is not supported * beyond 2.4. It consisted of three files with history/copyright * information as follows: * * SYM53C500.h * Bob Tracy ([email protected]) * Original by Tom Corner ([email protected]). * Adapted from NCR53c406a.h which is Copyrighted (C) 1994 * Normunds Saumanis ([email protected]) * * SYM53C500.c * Bob Tracy ([email protected]) * Original driver by Tom Corner ([email protected]) was adapted * from NCR53c406a.c which is Copyrighted (C) 1994, 1995, 1996 * Normunds Saumanis ([email protected]) * * sym53c500.c * Bob Tracy ([email protected]) * Original by Tom Corner ([email protected]) was adapted from a * driver for the Qlogic SCSI card written by * David Hinds ([email protected]). */ #define SYM53C500_DEBUG … #define VERBOSE_SYM53C500_DEBUG … /* * Set this to 0 if you encounter kernel lockups while transferring * data in PIO mode. Note this can be changed via "sysfs". */ #define USE_FAST_PIO … /* =============== End of user configurable parameters ============== */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/ioport.h> #include <linux/blkdev.h> #include <linux/spinlock.h> #include <linux/bitops.h> #include <asm/io.h> #include <asm/dma.h> #include <asm/irq.h> #include <scsi/scsi_ioctl.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> #include <scsi/scsi.h> #include <scsi/scsi_host.h> #include <pcmcia/cistpl.h> #include <pcmcia/ds.h> #include <pcmcia/ciscode.h> /* ================================================================== */ #define SYNC_MODE … /* Default configuration */ #define C1_IMG … #define C2_IMG … #define C3_IMG … #define C4_IMG … #define C5_IMG … #define C7_IMG … /* Hardware Registers: offsets from io_port (base) */ /* Control Register Set 0 */ #define TC_LSB … #define TC_MSB … #define SCSI_FIFO … #define CMD_REG … #define STAT_REG … #define DEST_ID … #define INT_REG … #define SRTIMOUT … #define SEQ_REG … #define SYNCPRD … #define FIFO_FLAGS … #define SYNCOFF … #define CONFIG1 … #define CLKCONV … /* #define TESTREG 0x0A */ /* test mode register */ #define CONFIG2 … #define CONFIG3 … #define CONFIG4 … #define TC_HIGH … /* #define FIFO_BOTTOM 0x0F */ /* reserve FIFO byte register */ /* Control Register Set 1 */ /* #define JUMPER_SENSE 0x00 */ /* jumper sense port reg (r/w) */ /* #define SRAM_PTR 0x01 */ /* SRAM address pointer reg (r/w) */ /* #define SRAM_DATA 0x02 */ /* SRAM data register (r/w) */ #define PIO_FIFO … /* #define PIO_FIFO1 0x05 */ /* */ /* #define PIO_FIFO2 0x06 */ /* */ /* #define PIO_FIFO3 0x07 */ /* */ #define PIO_STATUS … /* #define ATA_CMD 0x09 */ /* ATA command/status reg (r/w) */ /* #define ATA_ERR 0x0A */ /* ATA features/error reg (r/w) */ #define PIO_FLAG … #define CONFIG5 … /* #define SIGNATURE 0x0E */ /* signature register (r) */ /* #define CONFIG6 0x0F */ /* configuration 6 register (r) */ #define CONFIG7 … /* select register set 0 */ #define REG0(x) … /* select register set 1 */ #define REG1(x) … #if SYM53C500_DEBUG #define DEB … #else #define DEB(x) … #endif #if VERBOSE_SYM53C500_DEBUG #define VDEB … #else #define VDEB(x) … #endif #define LOAD_DMA_COUNT(x, count) … /* Chip commands */ #define DMA_OP … #define SCSI_NOP … #define FLUSH_FIFO … #define CHIP_RESET … #define SCSI_RESET … #define RESELECT … #define SELECT_NO_ATN … #define SELECT_ATN … #define SELECT_ATN_STOP … #define ENABLE_SEL … #define DISABLE_SEL … #define SELECT_ATN3 … #define RESELECT3 … #define TRANSFER_INFO … #define INIT_CMD_COMPLETE … #define MSG_ACCEPT … #define TRANSFER_PAD … #define SET_ATN … #define RESET_ATN … #define SEND_MSG … #define SEND_STATUS … #define SEND_DATA … #define DISCONN_SEQ … #define TERMINATE_SEQ … #define TARG_CMD_COMPLETE … #define DISCONN … #define RECV_MSG … #define RECV_CMD … #define RECV_DATA … #define RECV_CMD_SEQ … #define TARGET_ABORT_DMA … /* ================================================================== */ struct scsi_info_t { … }; /* * Repository for per-instance host data. */ struct sym53c500_data { … }; struct sym53c500_cmd_priv { … }; enum Phase { … }; /* ================================================================== */ static void chip_init(int io_port) { … } static void SYM53C500_int_host_reset(int io_port) { … } static __inline__ int SYM53C500_pio_read(int fast_pio, int base, unsigned char *request, unsigned int reqlen) { … } static __inline__ int SYM53C500_pio_write(int fast_pio, int base, unsigned char *request, unsigned int reqlen) { … } static irqreturn_t SYM53C500_intr(int irq, void *dev_id) { … } static void SYM53C500_release(struct pcmcia_device *link) { … } /* SYM53C500_release */ static const char* SYM53C500_info(struct Scsi_Host *SChost) { … } static int SYM53C500_queue_lck(struct scsi_cmnd *SCpnt) { … } static DEF_SCSI_QCMD(SYM53C500_queue) static int SYM53C500_host_reset(struct scsi_cmnd *SCpnt) { … } static int SYM53C500_biosparm(struct scsi_device *disk, struct block_device *dev, sector_t capacity, int *info_array) { … } static ssize_t SYM53C500_show_pio(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t SYM53C500_store_pio(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } /* * SCSI HBA device attributes we want to * make available via sysfs. */ static struct device_attribute SYM53C500_pio_attr = …; static struct attribute *SYM53C500_shost_attrs[] = …; ATTRIBUTE_GROUPS(…); /* * scsi_host_template initializer */ static const struct scsi_host_template sym53c500_driver_template = …; static int SYM53C500_config_check(struct pcmcia_device *p_dev, void *priv_data) { … } static int SYM53C500_config(struct pcmcia_device *link) { … } /* SYM53C500_config */ static int sym53c500_resume(struct pcmcia_device *link) { … } static void SYM53C500_detach(struct pcmcia_device *link) { … } /* SYM53C500_detach */ static int SYM53C500_probe(struct pcmcia_device *link) { … } /* SYM53C500_attach */ MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; static const struct pcmcia_device_id sym53c500_ids[] = …; MODULE_DEVICE_TABLE(…); static struct pcmcia_driver sym53c500_cs_driver = …; module_pcmcia_driver(…);
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