/*
* sata_promise.c - Promise SATA
*
* Maintained by: Jeff Garzik <jgarzik@pobox.com>
* Mikael Pettersson <mikpe@it.uu.se>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
* Copyright 2003-2004 Red Hat, Inc.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
* libata documentation is available via 'make {ps|pdf}docs',
* as Documentation/DocBook/libata.*
*
* Hardware information only available under NDA.
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/device.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_cmnd.h>
#include <linux/libata.h>
#include "sata_promise.h"
#define DRV_NAME "sata_promise"
#define DRV_VERSION "2.12"
enum {
PDC_MAX_PORTS = 4,
PDC_MMIO_BAR = 3,
PDC_MAX_PRD = LIBATA_MAX_PRD - 1, /* -1 for ASIC PRD bug workaround */
/* host register offsets (from host->iomap[PDC_MMIO_BAR]) */
PDC_INT_SEQMASK = 0x40, /* Mask of asserted SEQ INTs */
PDC_FLASH_CTL = 0x44, /* Flash control register */
PDC_SATA_PLUG_CSR = 0x6C, /* SATA Plug control/status reg */
PDC2_SATA_PLUG_CSR = 0x60, /* SATAII Plug control/status reg */
PDC_TBG_MODE = 0x41C, /* TBG mode (not SATAII) */
PDC_SLEW_CTL = 0x470, /* slew rate control reg (not SATAII) */
/* per-port ATA register offsets (from ap->ioaddr.cmd_addr) */
PDC_FEATURE = 0x04, /* Feature/Error reg (per port) */
PDC_SECTOR_COUNT = 0x08, /* Sector count reg (per port) */
PDC_SECTOR_NUMBER = 0x0C, /* Sector number reg (per port) */
PDC_CYLINDER_LOW = 0x10, /* Cylinder low reg (per port) */
PDC_CYLINDER_HIGH = 0x14, /* Cylinder high reg (per port) */
PDC_DEVICE = 0x18, /* Device/Head reg (per port) */
PDC_COMMAND = 0x1C, /* Command/status reg (per port) */
PDC_ALTSTATUS = 0x38, /* Alternate-status/device-control reg (per port) */
PDC_PKT_SUBMIT = 0x40, /* Command packet pointer addr */
PDC_GLOBAL_CTL = 0x48, /* Global control/status (per port) */
PDC_CTLSTAT = 0x60, /* IDE control and status (per port) */
/* per-port SATA register offsets (from ap->ioaddr.scr_addr) */
PDC_PHYMODE4 = 0x14,
/* PDC_GLOBAL_CTL bit definitions */
PDC_PH_ERR = (1 << 8), /* PCI error while loading packet */
PDC_SH_ERR = (1 << 9), /* PCI error while loading S/G table */
PDC_DH_ERR = (1 << 10), /* PCI error while loading data */
PDC2_HTO_ERR = (1 << 12), /* host bus timeout */
PDC2_ATA_HBA_ERR = (1 << 13), /* error during SATA DATA FIS transmission */
PDC2_ATA_DMA_CNT_ERR = (1 << 14), /* DMA DATA FIS size differs from S/G count */
PDC_OVERRUN_ERR = (1 << 19), /* S/G byte count larger than HD requires */
PDC_UNDERRUN_ERR = (1 << 20), /* S/G byte count less than HD requires */
PDC_DRIVE_ERR = (1 << 21), /* drive error */
PDC_PCI_SYS_ERR = (1 << 22), /* PCI system error */
PDC1_PCI_PARITY_ERR = (1 << 23), /* PCI parity error (from SATA150 driver) */
PDC1_ERR_MASK = PDC1_PCI_PARITY_ERR,
PDC2_ERR_MASK = PDC2_HTO_ERR | PDC2_ATA_HBA_ERR |
PDC2_ATA_DMA_CNT_ERR,
PDC_ERR_MASK = PDC_PH_ERR | PDC_SH_ERR | PDC_DH_ERR |
PDC_OVERRUN_ERR | PDC_UNDERRUN_ERR |
PDC_DRIVE_ERR | PDC_PCI_SYS_ERR |
PDC1_ERR_MASK | PDC2_ERR_MASK,
board_2037x = 0, /* FastTrak S150 TX2plus */
board_2037x_pata = 1, /* FastTrak S150 TX2plus PATA port */
board_20319 = 2, /* FastTrak S150 TX4 */
board_20619 = 3, /* FastTrak TX4000 */
board_2057x = 4, /* SATAII150 Tx2plus */
board_2057x_pata = 5, /* SATAII150 Tx2plus PATA port */
board_40518 = 6, /* SATAII150 Tx4 */
PDC_HAS_PATA = (1 << 1),