// SPDX-License-Identifier: GPL-2.0-only /* * pata-cs5535.c - CS5535 PATA for new ATA layer * (C) 2005-2006 Red Hat Inc * Alan Cox <[email protected]> * * based upon cs5535.c from AMD <[email protected]> as cleaned up and * made readable and Linux style by Wolfgang Zuleger <[email protected]> * and Alexander Kiausch <[email protected]> * * Loosely based on the piix & svwks drivers. * * Documentation: * Available from AMD web site. * TODO * Review errata to see if serializing is necessary */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/blkdev.h> #include <linux/delay.h> #include <scsi/scsi_host.h> #include <linux/libata.h> #include <asm/msr.h> #define DRV_NAME … #define DRV_VERSION … /* * The Geode (Aka Athlon GX now) uses an internal MSR based * bus system for control. Demented but there you go. */ #define MSR_ATAC_BASE … #define ATAC_GLD_MSR_CAP … #define ATAC_GLD_MSR_CONFIG … #define ATAC_GLD_MSR_SMI … #define ATAC_GLD_MSR_ERROR … #define ATAC_GLD_MSR_PM … #define ATAC_GLD_MSR_DIAG … #define ATAC_IO_BAR … #define ATAC_RESET … #define ATAC_CH0D0_PIO … #define ATAC_CH0D0_DMA … #define ATAC_CH0D1_PIO … #define ATAC_CH0D1_DMA … #define ATAC_PCI_ABRTERR … #define ATAC_BM0_CMD_PRIM … #define ATAC_BM0_STS_PRIM … #define ATAC_BM0_PRD … #define CS5535_CABLE_DETECT … /** * cs5535_cable_detect - detect cable type * @ap: Port to detect on * * Perform cable detection for ATA66 capable cable. Return a libata * cable type. */ static int cs5535_cable_detect(struct ata_port *ap) { … } /** * cs5535_set_piomode - PIO setup * @ap: ATA interface * @adev: device on the interface * * Set our PIO requirements. The CS5535 is pretty clean about all this */ static void cs5535_set_piomode(struct ata_port *ap, struct ata_device *adev) { … } /** * cs5535_set_dmamode - DMA timing setup * @ap: ATA interface * @adev: Device being configured * */ static void cs5535_set_dmamode(struct ata_port *ap, struct ata_device *adev) { … } static const struct scsi_host_template cs5535_sht = …; static struct ata_port_operations cs5535_port_ops = …; /** * cs5535_init_one - Initialise a CS5530 * @dev: PCI device * @id: Entry in match table * * Install a driver for the newly found CS5530 companion chip. Most of * this is just housekeeping. We have to set the chip up correctly and * turn off various bits of emulation magic. */ static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id) { … } static const struct pci_device_id cs5535[] = …; static struct pci_driver cs5535_pci_driver = …; module_pci_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_DEVICE_TABLE(pci, cs5535); MODULE_VERSION(…);
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