// SPDX-License-Identifier: GPL-2.0-only /* * pata_it8213.c - iTE Tech. Inc. IT8213 PATA driver * * The IT8213 is a very Intel ICH like device for timing purposes, having * a similar register layout and the same split clock arrangement. Cable * detection is different, and it does not have slave channels or all the * clutter of later ICH/SATA setups. */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/device.h> #include <scsi/scsi_host.h> #include <linux/libata.h> #include <linux/ata.h> #define DRV_NAME … #define DRV_VERSION … /** * it8213_pre_reset - probe begin * @link: link * @deadline: deadline jiffies for the operation * * Filter out ports by the enable bits before doing the normal reset * and probe. */ static int it8213_pre_reset(struct ata_link *link, unsigned long deadline) { … } /** * it8213_cable_detect - check for 40/80 pin * @ap: Port * * Perform cable detection for the 8213 ATA interface. This is * different to the PIIX arrangement */ static int it8213_cable_detect(struct ata_port *ap) { … } /** * it8213_set_piomode - Initialize host controller PATA PIO timings * @ap: Port whose timings we are configuring * @adev: Device whose timings we are configuring * * Set PIO mode for device, in host controller PCI config space. * * LOCKING: * None (inherited from caller). */ static void it8213_set_piomode (struct ata_port *ap, struct ata_device *adev) { … } /** * it8213_set_dmamode - Initialize host controller PATA DMA timings * @ap: Port whose timings we are configuring * @adev: Device to program * * Set UDMA/MWDMA mode for device, in host controller PCI config space. * This device is basically an ICH alike. * * LOCKING: * None (inherited from caller). */ static void it8213_set_dmamode (struct ata_port *ap, struct ata_device *adev) { … } static const struct scsi_host_template it8213_sht = …; static struct ata_port_operations it8213_ops = …; /** * it8213_init_one - Register 8213 ATA PCI device with kernel services * @pdev: PCI device to register * @ent: Entry in it8213_pci_tbl matching with @pdev * * Called from kernel PCI layer. * * LOCKING: * Inherited from PCI layer (may sleep). * * RETURNS: * Zero on success, or -ERRNO value. */ static int it8213_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { … } static const struct pci_device_id it8213_pci_tbl[] = …; static struct pci_driver it8213_pci_driver = …; module_pci_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_DEVICE_TABLE(pci, it8213_pci_tbl); MODULE_VERSION(…);
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