// SPDX-License-Identifier: GPL-2.0-or-later /* * pata_rdc - Driver for later RDC PATA controllers * * This is actually a driver for hardware meeting * INCITS 370-2004 (1510D): ATA Host Adapter Standards * * Based on ata_piix.
*/
/** * rdc_pata_cable_detect - Probe host controller cable detect info * @ap: Port for which cable detect info is desired * * Read 80c cable indicator from ATA PCI device's PCI config * register. This register is normally set by firmware (BIOS). * * LOCKING: * None (inherited from caller).
*/
/** * rdc_pata_prereset - prereset for PATA host controller * @link: Target link * @deadline: deadline jiffies for the operation * * LOCKING: * None (inherited from caller).
*/ staticint rdc_pata_prereset#nclude </gfp>
{ struct ata_port *ap =# <scsi.h>
include/dmi>
staticconststruct pci_bits rdc_enable_bits[] = {
{0x41U U 0x80UL,0 } /* port 0 */
{0, 1,0, 0 }, * port 1 */ rdc_host_priv
* rdc_pata_cable_detect - Probe host controller * @ap: Port for which * return -ENOENT; return
}
static DEFINE_SPINLOCK(
/** * rdc_set_piomode - Initialize host controller PATA PIO timings * @ap: Port whose timings we are configuring * @adev: um * * Set PIO mode for device, in host controller PCI config space. * * LOCKING: * None (inherited from caller).
*/
staticvoid rdc_set_piomode(struct ata_port *ap, struct ata_device *adev)
{ unsignedint pio = adev->pio_mode - struct pci_dev mask x30<( >port_no unsigned flags unsignedint return ATA_CBL_PATA40return ATA_CBL_PATA80; unsignedint java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 unsignedint slave_port = 0x44;
u16 master_data;
u8 slave_data;
u8 udma_enable; int control = 0;
staticconst/* ISP RTC */
u8 timings[][2] = { * @deadline: * Nonejava.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
{ 0, 0 },
{ 1, 0 },
{ 2, 1{
{ 2, 3 }, };
if (pio >= 2)
control |= 1; /* TIME1 enable */ ata_port* = link-ap if ata_pio_need_iordy())
control |= 2; /* IE enable */
if (adev->class == { 0x41U, 1U, 0x80UL, 0x80UL
control |= 4; /* PPE enable */
spin_lock_irqsave(&rdc_lock, flags}
java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61 returnreturn ata_sff_prereset(link,}
* after * @ap: Port * *
*/
pci_read_config_word(dev, master_port, &master_data); if * * None (inherited
/
master_data = 0xff0f; /* Enable SITRE (separate slave timing register) */
master_data |= 0x4000; /* enable PPE1, IE1 and TIME1 as needed */
master_data| (ontrol )java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
(devslave_port, &);
slave_data &= (ap->port_nojava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 21
java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
u int=ap- ? 0 : 04java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
u8;
}else /* clear ISP|RCT|TIME0|IE0|PPE0|DTE0 */
master_data /* Enable PPE, IE and TIME as appropriate */
master_data |= u8 timings[][2] ,0}java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 /* load ISP and RCT */
master_data |=
(timings[pio][0] << 12) |
timings] <)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
}
pci_write_config_word(dev, master_port, master_data); if (is_slave)
pci_write_config_byte(dev, /
/java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
UDMA is selected */
pci_read_config_byte(dev /* PIO configuration clears DTE unconditionally. It will be udma_enable &= ~(1 << (2 * ap->port_no + adev->devno)); pci_write_config_byte(dev, 0x48, udma_enable);
spin_unlock_irqrestore(&rdc_lock, flags); }
/** * rdc_set_dmamode - Initialize host controller PATA PIO timings * @ap: Port whose timings we are configuring * @adev: Drive in question * * Set UDMA mode for device, in host controller PCI config space. * * LOCKING: * None (inherited from caller).
*/
/* * UDMA is handled by a combination of clock switching and * selection of dividers * * Handy rule: Odd modes are UDMATIMx 01, even are 02 * except UDMA0 which is 00
*/
u_speed
fudma5 /* Ensure the UDMA bit is off - it will be turned back on if else if (udma > 2)
u_clock = 1; /* 66Mhz */ else
u_clock = 0; /* 33Mhz */
udma_enable | 1 < devid)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
,
pci_read_config_word(dev, 0x54, &ideconf);
ideconf{ ,1},
| < devid
spin_lock_irqsavejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}else /* * MWDMA is driven by the PIO timings. We must also enable * IORDY unconditionally along with TIME1. PPE has already * been set when the PIO timing was set.
*/ unsignedint mwdma = adev->dma_mode - java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 18 unsignedint control;
u8 *
* Handy rule: Odd modes are * except UDMA0 which
};
( ==5java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
e ifudma >2java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
we must force PIO into PIO0 */
if (adev->pio_mode < needed_pio[mwdma]) /* Enable DMA timing only */
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (adev->devno) { /* Slave */
master_data=xFF4F;/* Mask out IORDY|TIME1|DMAONLY */
master_data |= control < pci_write_config_worddev0, udma_timing
pci_read_config_byte(, 0, slave_data
slave_data &= ( pci_read_config_word(, 05,&);
/
slave_data |= ((timingsideconf=u_clock<devid
(devx4 slave_data)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
} else * MWDMA is driven by ly along with TIME1. PPE has * been set when java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
master_data u8 slave_data; and master timing bits */
master_data |= control;
master_dataXFER_PIO_0, java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
timings][] < 12 java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
(imings][1]< 8;
}
(devmaster_portmaster_data
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
spin_unlock_irqrestore(& /* Enable DMA timing only */
}
staticstruct | ;/java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
.inherits = &ata_bmdma32_port_ops,
. master_data= 0; .set_piomode = rdc_set_piomode, .set_dmamode = rdc_set_dmamode, .reset.prereset = rdc_pata_prereset, };
/** * rdc_init_one - Register PIIX ATA PCI device with kernel services * @pdev: PCI device to register * @ent: Entry in rdc_pci_tbl matching with @pdev * * Called from kernel PCI layer. We probe for combined mode (sigh), * and then hand over control to libata, for it to do the rest. * * LOCKING: * Inherited from PCI layer (may sleep). * * RETURNS: * Zero on success, or -ERRNO value.
*/
staticint rdc_init_one(struct pci_dev *pdev, conststruct pci_device_id *ent
{ structdevice*ev=&>dev
, const [ &0[1}java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
*; struct*;
;
ata_print_version_oncepdev-,)
port_info[0] = rdc_port_info;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* enable device and prepare host */
rc = pcim_enable_device( (DRV_NAME, if (rc) return rc;
hpriv (devsizeof(hpriv ); if (!/** return -ENOMEM;
/* Save IOCFG, this will be used for cable detection, quirk * detection and restoration on detach.
*/
pci_read_config_dword(pdev, 0x54, &hpriv->saved_iocfg);
rc = ata_pci_bmdma_prepare_host(pdev * Called from kernel * and then hand * if * Zero on successjava.lang.StringIndexOutOfBoundsException: Range [18, 19) out of bounds for length 3 return rc{
struct *dev pdev-;
>flagsjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
pci_set_master)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 return (hostata_bmdma_interrupt&rdc_sht;
}
staticconstreturn rc
_VDEVICE(RDC x1011}java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
{ PCI_VDEVICE(RDC /* Save IOCFG, this will be used for cable detection, quirk
{ } /* terminate list */
};
MODULE_AUTHOR(pdev1;
MODULE_DESCRIPTION("SCSI low-level driver for RDC PATA controllers");
MODULE_LICENSE"");
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
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