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path: root/drivers/parport/parport_pc.c
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Diffstat (limited to 'drivers/parport/parport_pc.c')
-rw-r--r--drivers/parport/parport_pc.c567
1 files changed, 320 insertions, 247 deletions
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index 903e1285fda0..f33b5d1ddfc1 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Low-level parallel-port routines for 8255-based PC-style hardware.
*
* Authors: Phil Blundell <philb@gnu.org>
@@ -44,7 +45,7 @@
#include <linux/module.h>
#include <linux/init.h>
-#include <linux/sched.h>
+#include <linux/sched/signal.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
@@ -86,13 +87,6 @@
#undef DEBUG
-#ifdef DEBUG
-#define DPRINTK printk
-#else
-#define DPRINTK(stuff...)
-#endif
-
-
#define NR_SUPERIOS 3
static struct superio_struct { /* For Super-IO chips autodetection */
int io;
@@ -112,15 +106,22 @@ static int pnp_registered_parport;
static void frob_econtrol(struct parport *pb, unsigned char m,
unsigned char v)
{
+ const struct parport_pc_private *priv = pb->physport->private_data;
+ unsigned char ecr_writable = priv->ecr_writable;
unsigned char ectr = 0;
+ unsigned char new;
if (m != 0xff)
ectr = inb(ECONTROL(pb));
- DPRINTK(KERN_DEBUG "frob_econtrol(%02x,%02x): %02x -> %02x\n",
- m, v, ectr, (ectr & ~m) ^ v);
+ new = (ectr & ~m) ^ v;
+ if (ecr_writable)
+ /* All known users of the ECR mask require bit 0 to be set. */
+ new = (new & ecr_writable) | 1;
+
+ pr_debug("frob_econtrol(%02x,%02x): %02x -> %02x\n", m, v, ectr, new);
- outb((ectr & ~m) ^ v, ECONTROL(pb));
+ outb(new, ECONTROL(pb));
}
static inline void frob_set_mode(struct parport *p, int mode)
@@ -141,7 +142,7 @@ static int change_mode(struct parport *p, int m)
unsigned char oecr;
int mode;
- DPRINTK(KERN_INFO "parport change_mode ECP-ISA to mode 0x%02x\n", m);
+ pr_debug("parport change_mode ECP-ISA to mode 0x%02x\n", m);
if (!priv->ecr) {
printk(KERN_DEBUG "change_mode: but there's no ECR!\n");
@@ -297,16 +298,22 @@ static size_t parport_pc_epp_read_data(struct parport *port, void *buf,
status = inb(STATUS(port));
if (status & 0x01) {
/* EPP timeout should never occur... */
- printk(KERN_DEBUG
-"%s: EPP timeout occurred while talking to w91284pic (should not have done)\n", port->name);
+ printk(KERN_DEBUG "%s: EPP timeout occurred while talking to w91284pic (should not have done)\n",
+ port->name);
clear_epp_timeout(port);
}
}
return got;
}
- if ((flags & PARPORT_EPP_FAST) && (length > 1)) {
- if (!(((long)buf | length) & 0x03))
+ if ((length > 1) && ((flags & PARPORT_EPP_FAST_32)
+ || flags & PARPORT_EPP_FAST_16
+ || flags & PARPORT_EPP_FAST_8)) {
+ if ((flags & PARPORT_EPP_FAST_32)
+ && !(((long)buf | length) & 0x03))
insl(EPPDATA(port), buf, (length >> 2));
+ else if ((flags & PARPORT_EPP_FAST_16)
+ && !(((long)buf | length) & 0x01))
+ insw(EPPDATA(port), buf, length >> 1);
else
insb(EPPDATA(port), buf, length);
if (inb(STATUS(port)) & 0x01) {
@@ -333,9 +340,15 @@ static size_t parport_pc_epp_write_data(struct parport *port, const void *buf,
{
size_t written = 0;
- if ((flags & PARPORT_EPP_FAST) && (length > 1)) {
- if (!(((long)buf | length) & 0x03))
+ if ((length > 1) && ((flags & PARPORT_EPP_FAST_32)
+ || flags & PARPORT_EPP_FAST_16
+ || flags & PARPORT_EPP_FAST_8)) {
+ if ((flags & PARPORT_EPP_FAST_32)
+ && !(((long)buf | length) & 0x03))
outsl(EPPDATA(port), buf, (length >> 2));
+ else if ((flags & PARPORT_EPP_FAST_16)
+ && !(((long)buf | length) & 0x01))
+ outsw(EPPDATA(port), buf, length >> 1);
else
outsb(EPPDATA(port), buf, length);
if (inb(STATUS(port)) & 0x01) {
@@ -474,7 +487,7 @@ static size_t parport_pc_fifo_write_block_pio(struct parport *port,
const unsigned char *bufp = buf;
size_t left = length;
unsigned long expire = jiffies + port->physport->cad->timeout;
- const int fifo = FIFO(port);
+ const unsigned long fifo = FIFO(port);
int poll_for = 8; /* 80 usecs */
const struct parport_pc_private *priv = port->physport->private_data;
const int fifo_depth = priv->fifo_depth;
@@ -726,7 +739,7 @@ static size_t parport_pc_compat_write_block_pio(struct parport *port,
r = change_mode(port, ECR_PPF); /* Parallel port FIFO */
if (r)
printk(KERN_DEBUG "%s: Warning change_mode ECR_PPF failed\n",
- port->name);
+ port->name);
port->physport->ieee1284.phase = IEEE1284_PH_FWD_DATA;
@@ -769,9 +782,8 @@ static size_t parport_pc_compat_write_block_pio(struct parport *port,
PARPORT_STATUS_BUSY,
PARPORT_STATUS_BUSY);
if (r)
- printk(KERN_DEBUG
- "%s: BUSY timeout (%d) in compat_write_block_pio\n",
- port->name, r);
+ printk(KERN_DEBUG "%s: BUSY timeout (%d) in compat_write_block_pio\n",
+ port->name, r);
port->physport->ieee1284.phase = IEEE1284_PH_FWD_IDLE;
@@ -809,8 +821,8 @@ static size_t parport_pc_ecp_write_block_pio(struct parport *port,
PARPORT_STATUS_PAPEROUT,
PARPORT_STATUS_PAPEROUT);
if (r) {
- printk(KERN_DEBUG "%s: PError timeout (%d) "
- "in ecp_write_block_pio\n", port->name, r);
+ printk(KERN_DEBUG "%s: PError timeout (%d) in ecp_write_block_pio\n",
+ port->name, r);
}
}
@@ -823,7 +835,7 @@ static size_t parport_pc_ecp_write_block_pio(struct parport *port,
r = change_mode(port, ECR_ECP); /* ECP FIFO */
if (r)
printk(KERN_DEBUG "%s: Warning change_mode ECR_ECP failed\n",
- port->name);
+ port->name);
port->physport->ieee1284.phase = IEEE1284_PH_FWD_DATA;
/* Write the data to the FIFO. */
@@ -866,8 +878,8 @@ static size_t parport_pc_ecp_write_block_pio(struct parport *port,
parport_frob_control(port, PARPORT_CONTROL_INIT, 0);
r = parport_wait_peripheral(port, PARPORT_STATUS_PAPEROUT, 0);
if (r)
- printk(KERN_DEBUG "%s: PE,1 timeout (%d) "
- "in ecp_write_block_pio\n", port->name, r);
+ printk(KERN_DEBUG "%s: PE,1 timeout (%d) in ecp_write_block_pio\n",
+ port->name, r);
parport_frob_control(port,
PARPORT_CONTROL_INIT,
@@ -876,17 +888,16 @@ static size_t parport_pc_ecp_write_block_pio(struct parport *port,
PARPORT_STATUS_PAPEROUT,
PARPORT_STATUS_PAPEROUT);
if (r)
- printk(KERN_DEBUG "%s: PE,2 timeout (%d) "
- "in ecp_write_block_pio\n", port->name, r);
+ printk(KERN_DEBUG "%s: PE,2 timeout (%d) in ecp_write_block_pio\n",
+ port->name, r);
}
r = parport_wait_peripheral(port,
PARPORT_STATUS_BUSY,
PARPORT_STATUS_BUSY);
if (r)
- printk(KERN_DEBUG
- "%s: BUSY timeout (%d) in ecp_write_block_pio\n",
- port->name, r);
+ printk(KERN_DEBUG "%s: BUSY timeout (%d) in ecp_write_block_pio\n",
+ port->name, r);
port->physport->ieee1284.phase = IEEE1284_PH_FWD_IDLE;
@@ -902,7 +913,7 @@ static size_t parport_pc_ecp_write_block_pio(struct parport *port,
* ******************************************
*/
-/* GCC is not inlining extern inline function later overwriten to non-inline,
+/* GCC is not inlining extern inline function later overwritten to non-inline,
so we use outlined_ variants here. */
static const struct parport_operations parport_pc_ops = {
.write_data = parport_pc_write_data,
@@ -981,28 +992,24 @@ static void show_parconfig_smsc37c669(int io, int key)
outb(0xaa, io);
if (verbose_probing) {
- printk(KERN_INFO
- "SMSC 37c669 LPT Config: cr_1=0x%02x, 4=0x%02x, "
- "A=0x%2x, 23=0x%02x, 26=0x%02x, 27=0x%02x\n",
+ pr_info("SMSC 37c669 LPT Config: cr_1=0x%02x, 4=0x%02x, A=0x%2x, 23=0x%02x, 26=0x%02x, 27=0x%02x\n",
cr1, cr4, cra, cr23, cr26, cr27);
/* The documentation calls DMA and IRQ-Lines by letters, so
the board maker can/will wire them
appropriately/randomly... G=reserved H=IDE-irq, */
- printk(KERN_INFO
- "SMSC LPT Config: io=0x%04x, irq=%c, dma=%c, fifo threshold=%d\n",
- cr23 * 4,
- (cr27 & 0x0f) ? 'A' - 1 + (cr27 & 0x0f) : '-',
- (cr26 & 0x0f) ? 'A' - 1 + (cr26 & 0x0f) : '-',
- cra & 0x0f);
- printk(KERN_INFO "SMSC LPT Config: enabled=%s power=%s\n",
- (cr23 * 4 >= 0x100) ? "yes" : "no",
- (cr1 & 4) ? "yes" : "no");
- printk(KERN_INFO
- "SMSC LPT Config: Port mode=%s, EPP version =%s\n",
- (cr1 & 0x08) ? "Standard mode only (SPP)"
- : modes[cr4 & 0x03],
- (cr4 & 0x40) ? "1.7" : "1.9");
+ pr_info("SMSC LPT Config: io=0x%04x, irq=%c, dma=%c, fifo threshold=%d\n",
+ cr23 * 4,
+ (cr27 & 0x0f) ? 'A' - 1 + (cr27 & 0x0f) : '-',
+ (cr26 & 0x0f) ? 'A' - 1 + (cr26 & 0x0f) : '-',
+ cra & 0x0f);
+ pr_info("SMSC LPT Config: enabled=%s power=%s\n",
+ (cr23 * 4 >= 0x100) ? "yes" : "no",
+ (cr1 & 4) ? "yes" : "no");
+ pr_info("SMSC LPT Config: Port mode=%s, EPP version =%s\n",
+ (cr1 & 0x08) ? "Standard mode only (SPP)"
+ : modes[cr4 & 0x03],
+ (cr4 & 0x40) ? "1.7" : "1.9");
}
/* Heuristics ! BIOS setup for this mainboard device limits
@@ -1012,7 +1019,7 @@ static void show_parconfig_smsc37c669(int io, int key)
if (cr23 * 4 >= 0x100) { /* if active */
s = find_free_superio();
if (s == NULL)
- printk(KERN_INFO "Super-IO: too many chips!\n");
+ pr_info("Super-IO: too many chips!\n");
else {
int d;
switch (cr23 * 4) {
@@ -1077,26 +1084,24 @@ static void show_parconfig_winbond(int io, int key)
outb(0xaa, io);
if (verbose_probing) {
- printk(KERN_INFO
- "Winbond LPT Config: cr_30=%02x 60,61=%02x%02x 70=%02x 74=%02x, f0=%02x\n",
- cr30, cr60, cr61, cr70, cr74, crf0);
- printk(KERN_INFO "Winbond LPT Config: active=%s, io=0x%02x%02x irq=%d, ",
- (cr30 & 0x01) ? "yes" : "no", cr60, cr61, cr70 & 0x0f);
+ pr_info("Winbond LPT Config: cr_30=%02x 60,61=%02x%02x 70=%02x 74=%02x, f0=%02x\n",
+ cr30, cr60, cr61, cr70, cr74, crf0);
+ pr_info("Winbond LPT Config: active=%s, io=0x%02x%02x irq=%d, ",
+ (cr30 & 0x01) ? "yes" : "no", cr60, cr61, cr70 & 0x0f);
if ((cr74 & 0x07) > 3)
- printk("dma=none\n");
+ pr_cont("dma=none\n");
else
- printk("dma=%d\n", cr74 & 0x07);
- printk(KERN_INFO
- "Winbond LPT Config: irqtype=%s, ECP fifo threshold=%d\n",
- irqtypes[crf0>>7], (crf0>>3)&0x0f);
- printk(KERN_INFO "Winbond LPT Config: Port mode=%s\n",
- modes[crf0 & 0x07]);
+ pr_cont("dma=%d\n", cr74 & 0x07);
+ pr_info("Winbond LPT Config: irqtype=%s, ECP fifo threshold=%d\n",
+ irqtypes[crf0 >> 7], (crf0 >> 3) & 0x0f);
+ pr_info("Winbond LPT Config: Port mode=%s\n",
+ modes[crf0 & 0x07]);
}
if (cr30 & 0x01) { /* the settings can be interrogated later ... */
s = find_free_superio();
if (s == NULL)
- printk(KERN_INFO "Super-IO: too many chips!\n");
+ pr_info("Super-IO: too many chips!\n");
else {
s->io = (cr60 << 8) | cr61;
s->irq = cr70 & 0x0f;
@@ -1150,9 +1155,8 @@ static void decode_winbond(int efer, int key, int devid, int devrev, int oldid)
progif = 0;
if (verbose_probing)
- printk(KERN_INFO "Winbond chip at EFER=0x%x key=0x%02x "
- "devid=%02x devrev=%02x oldid=%02x type=%s\n",
- efer, key, devid, devrev, oldid, type);
+ pr_info("Winbond chip at EFER=0x%x key=0x%02x devid=%02x devrev=%02x oldid=%02x type=%s\n",
+ efer, key, devid, devrev, oldid, type);
if (progif == 2)
show_parconfig_winbond(efer, key);
@@ -1183,9 +1187,8 @@ static void decode_smsc(int efer, int key, int devid, int devrev)
type = "37c666GT";
if (verbose_probing)
- printk(KERN_INFO "SMSC chip at EFER=0x%x "
- "key=0x%02x devid=%02x devrev=%02x type=%s\n",
- efer, key, devid, devrev, type);
+ pr_info("SMSC chip at EFER=0x%x key=0x%02x devid=%02x devrev=%02x type=%s\n",
+ efer, key, devid, devrev, type);
if (func)
func(efer, key);
@@ -1357,7 +1360,7 @@ static void detect_and_report_it87(void)
dev |= inb(0x2f);
if (dev == 0x8712 || dev == 0x8705 || dev == 0x8715 ||
dev == 0x8716 || dev == 0x8718 || dev == 0x8726) {
- printk(KERN_INFO "IT%04X SuperIO detected.\n", dev);
+ pr_info("IT%04X SuperIO detected\n", dev);
outb(0x07, 0x2E); /* Parallel Port */
outb(0x03, 0x2F);
outb(0xF0, 0x2E); /* BOOT 0x80 off */
@@ -1377,7 +1380,7 @@ static struct superio_struct *find_superio(struct parport *p)
{
int i;
for (i = 0; i < NR_SUPERIOS; i++)
- if (superios[i].io != p->base)
+ if (superios[i].io == p->base)
return &superios[i];
return NULL;
}
@@ -1444,8 +1447,8 @@ static int parport_SPP_supported(struct parport *pb)
if (user_specified)
/* That didn't work, but the user thinks there's a
* port here. */
- printk(KERN_INFO "parport 0x%lx (WARNING): CTR: "
- "wrote 0x%02x, read 0x%02x\n", pb->base, w, r);
+ pr_info("parport 0x%lx (WARNING): CTR: wrote 0x%02x, read 0x%02x\n",
+ pb->base, w, r);
/* Try the data register. The data lines aren't tri-stated at
* this stage, so we expect back what we wrote. */
@@ -1463,10 +1466,9 @@ static int parport_SPP_supported(struct parport *pb)
if (user_specified) {
/* Didn't work, but the user is convinced this is the
* place. */
- printk(KERN_INFO "parport 0x%lx (WARNING): DATA: "
- "wrote 0x%02x, read 0x%02x\n", pb->base, w, r);
- printk(KERN_INFO "parport 0x%lx: You gave this address, "
- "but there is probably no parallel port there!\n",
+ pr_info("parport 0x%lx (WARNING): DATA: wrote 0x%02x, read 0x%02x\n",
+ pb->base, w, r);
+ pr_info("parport 0x%lx: You gave this address, but there is probably no parallel port there!\n",
pb->base);
}
@@ -1496,21 +1498,24 @@ static int parport_ECR_present(struct parport *pb)
struct parport_pc_private *priv = pb->private_data;
unsigned char r = 0xc;
- outb(r, CONTROL(pb));
- if ((inb(ECONTROL(pb)) & 0x3) == (r & 0x3)) {
- outb(r ^ 0x2, CONTROL(pb)); /* Toggle bit 1 */
+ if (!priv->ecr_writable) {
+ outb(r, CONTROL(pb));
+ if ((inb(ECONTROL(pb)) & 0x3) == (r & 0x3)) {
+ outb(r ^ 0x2, CONTROL(pb)); /* Toggle bit 1 */
- r = inb(CONTROL(pb));
- if ((inb(ECONTROL(pb)) & 0x2) == (r & 0x2))
- goto no_reg; /* Sure that no ECR register exists */
- }
+ r = inb(CONTROL(pb));
+ if ((inb(ECONTROL(pb)) & 0x2) == (r & 0x2))
+ /* Sure that no ECR register exists */
+ goto no_reg;
+ }
- if ((inb(ECONTROL(pb)) & 0x3) != 0x1)
- goto no_reg;
+ if ((inb(ECONTROL(pb)) & 0x3) != 0x1)
+ goto no_reg;
- ECR_WRITE(pb, 0x34);
- if (inb(ECONTROL(pb)) != 0x35)
- goto no_reg;
+ ECR_WRITE(pb, 0x34);
+ if (inb(ECONTROL(pb)) != 0x35)
+ goto no_reg;
+ }
priv->ecr = 1;
outb(0xc, CONTROL(pb));
@@ -1619,7 +1624,7 @@ static int parport_ECP_supported(struct parport *pb)
if (i <= priv->fifo_depth) {
if (verbose_probing)
printk(KERN_DEBUG "0x%lx: writeIntrThreshold is %d\n",
- pb->base, i);
+ pb->base, i);
} else
/* Number of bytes we know we can write if we get an
interrupt. */
@@ -1641,7 +1646,7 @@ static int parport_ECP_supported(struct parport *pb)
if (i <= priv->fifo_depth) {
if (verbose_probing)
- printk(KERN_INFO "0x%lx: readIntrThreshold is %d\n",
+ pr_info("0x%lx: readIntrThreshold is %d\n",
pb->base, i);
} else
/* Number of bytes we can read if we get an interrupt. */
@@ -1656,18 +1661,15 @@ static int parport_ECP_supported(struct parport *pb)
switch (pword) {
case 0:
pword = 2;
- printk(KERN_WARNING "0x%lx: Unsupported pword size!\n",
- pb->base);
+ pr_warn("0x%lx: Unsupported pword size!\n", pb->base);
break;
case 2:
pword = 4;
- printk(KERN_WARNING "0x%lx: Unsupported pword size!\n",
- pb->base);
+ pr_warn("0x%lx: Unsupported pword size!\n", pb->base);
break;
default:
- printk(KERN_WARNING "0x%lx: Unknown implementation ID\n",
- pb->base);
- /* Assume 1 */
+ pr_warn("0x%lx: Unknown implementation ID\n", pb->base);
+ fallthrough; /* Assume 1 */
case 1:
pword = 1;
}
@@ -1675,24 +1677,24 @@ static int parport_ECP_supported(struct parport *pb)
if (verbose_probing) {
printk(KERN_DEBUG "0x%lx: PWord is %d bits\n",
- pb->base, 8 * pword);
+ pb->base, 8 * pword);
- printk(KERN_DEBUG "0x%lx: Interrupts are ISA-%s\n", pb->base,
- config & 0x80 ? "Level" : "Pulses");
+ printk(KERN_DEBUG "0x%lx: Interrupts are ISA-%s\n",
+ pb->base, config & 0x80 ? "Level" : "Pulses");
configb = inb(CONFIGB(pb));
printk(KERN_DEBUG "0x%lx: ECP port cfgA=0x%02x cfgB=0x%02x\n",
- pb->base, config, configb);
+ pb->base, config, configb);
printk(KERN_DEBUG "0x%lx: ECP settings irq=", pb->base);
if ((configb >> 3) & 0x07)
- printk("%d", intrline[(configb >> 3) & 0x07]);
+ pr_cont("%d", intrline[(configb >> 3) & 0x07]);
else
- printk("<none or set by other means>");
- printk(" dma=");
+ pr_cont("<none or set by other means>");
+ pr_cont(" dma=");
if ((configb & 0x03) == 0x00)
- printk("<none or set by other means>\n");
+ pr_cont("<none or set by other means>\n");
else
- printk("%d\n", configb & 0x07);
+ pr_cont("%d\n", configb & 0x07);
}
/* Go back to mode 000 */
@@ -1702,6 +1704,46 @@ static int parport_ECP_supported(struct parport *pb)
}
#endif
+#ifdef CONFIG_X86_32
+static int intel_bug_present_check_epp(struct parport *pb)
+{
+ const struct parport_pc_private *priv = pb->private_data;
+ int bug_present = 0;
+
+ if (priv->ecr) {
+ /* store value of ECR */
+ unsigned char ecr = inb(ECONTROL(pb));
+ unsigned char i;
+ for (i = 0x00; i < 0x80; i += 0x20) {
+ ECR_WRITE(pb, i);
+ if (clear_epp_timeout(pb)) {
+ /* Phony EPP in ECP. */
+ bug_present = 1;
+ break;
+ }
+ }
+ /* return ECR into the inital state */
+ ECR_WRITE(pb, ecr);
+ }
+
+ return bug_present;
+}
+static int intel_bug_present(struct parport *pb)
+{
+/* Check whether the device is legacy, not PCI or PCMCIA. Only legacy is known to be affected. */
+ if (pb->dev != NULL) {
+ return 0;
+ }
+
+ return intel_bug_present_check_epp(pb);
+}
+#else
+static int intel_bug_present(struct parport *pb)
+{
+ return 0;
+}
+#endif /* CONFIG_X86_32 */
+
static int parport_ECPPS2_supported(struct parport *pb)
{
const struct parport_pc_private *priv = pb->private_data;
@@ -1722,8 +1764,6 @@ static int parport_ECPPS2_supported(struct parport *pb)
static int parport_EPP_supported(struct parport *pb)
{
- const struct parport_pc_private *priv = pb->private_data;
-
/*
* Theory:
* Bit 0 of STR is the EPP timeout bit, this bit is 0
@@ -1742,16 +1782,8 @@ static int parport_EPP_supported(struct parport *pb)
return 0; /* No way to clear timeout */
/* Check for Intel bug. */
- if (priv->ecr) {
- unsigned char i;
- for (i = 0x00; i < 0x80; i += 0x20) {
- ECR_WRITE(pb, i);
- if (clear_epp_timeout(pb)) {
- /* Phony EPP in ECP. */
- return 0;
- }
- }
- }
+ if (intel_bug_present(pb))
+ return 0;
pb->modes |= PARPORT_MODE_EPP;
@@ -1990,11 +2022,13 @@ static int parport_dma_probe(struct parport *p)
static LIST_HEAD(ports_list);
static DEFINE_SPINLOCK(ports_lock);
-struct parport *parport_pc_probe_port(unsigned long int base,
- unsigned long int base_hi,
- int irq, int dma,
- struct device *dev,
- int irqflags)
+static struct parport *__parport_pc_probe_port(unsigned long int base,
+ unsigned long int base_hi,
+ int irq, int dma,
+ struct device *dev,
+ int irqflags,
+ unsigned int mode_mask,
+ unsigned char ecr_writable)
{
struct parport_pc_private *priv;
struct parport_operations *ops;
@@ -2004,6 +2038,7 @@ struct parport *parport_pc_probe_port(unsigned long int base,
struct resource *ECR_res = NULL;
struct resource *EPP_res = NULL;
struct platform_device *pdev = NULL;
+ int ret;
if (!dev) {
/* We need a physical device to attach to, but none was
@@ -2014,8 +2049,11 @@ struct parport *parport_pc_probe_port(unsigned long int base,
return NULL;
dev = &pdev->dev;
- dev->coherent_dma_mask = DMA_BIT_MASK(24);
- dev->dma_mask = &dev->coherent_dma_mask;
+ ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(24));
+ if (ret) {
+ dev_err(dev, "Unable to set coherent dma mask: disabling DMA\n");
+ dma = PARPORT_DMA_NONE;
+ }
}
ops = kmalloc(sizeof(struct parport_operations), GFP_KERNEL);
@@ -2039,6 +2077,7 @@ struct parport *parport_pc_probe_port(unsigned long int base,
priv->ctr = 0xc;
priv->ctr_writable = ~0x10;
priv->ecr = 0;
+ priv->ecr_writable = ecr_writable;
priv->fifo_depth = 0;
priv->dma_buf = NULL;
priv->dma_handle = 0;
@@ -2072,9 +2111,9 @@ struct parport *parport_pc_probe_port(unsigned long int base,
p->size = (p->modes & PARPORT_MODE_EPP) ? 8 : 3;
- printk(KERN_INFO "%s: PC-style at 0x%lx", p->name, p->base);
+ pr_info("%s: PC-style at 0x%lx", p->name, p->base);
if (p->base_hi && priv->ecr)
- printk(KERN_CONT " (0x%lx)", p->base_hi);
+ pr_cont(" (0x%lx)", p->base_hi);
if (p->irq == PARPORT_IRQ_AUTO) {
p->irq = PARPORT_IRQ_NONE;
parport_irq_probe(p);
@@ -2085,7 +2124,7 @@ struct parport *parport_pc_probe_port(unsigned long int base,
p->irq = PARPORT_IRQ_NONE;
}
if (p->irq != PARPORT_IRQ_NONE) {
- printk(KERN_CONT ", irq %d", p->irq);
+ pr_cont(", irq %d", p->irq);
priv->ctr_writable |= 0x10;
if (p->dma == PARPORT_DMA_AUTO) {
@@ -2102,48 +2141,54 @@ struct parport *parport_pc_probe_port(unsigned long int base,
p->dma != PARPORT_DMA_NOFIFO &&
priv->fifo_depth > 0 && p->irq != PARPORT_IRQ_NONE) {
p->modes |= PARPORT_MODE_ECP | PARPORT_MODE_COMPAT;
- p->ops->compat_write_data = parport_pc_compat_write_block_pio;
-#ifdef CONFIG_PARPORT_1284
- p->ops->ecp_write_data = parport_pc_ecp_write_block_pio;
- /* currently broken, but working on it.. (FB) */
- /* p->ops->ecp_read_data = parport_pc_ecp_read_block_pio; */
-#endif /* IEEE 1284 support */
- if (p->dma != PARPORT_DMA_NONE) {
- printk(KERN_CONT ", dma %d", p->dma);
+ if (p->dma != PARPORT_DMA_NONE)
p->modes |= PARPORT_MODE_DMA;
- } else
- printk(KERN_CONT ", using FIFO");
} else
/* We can't use the DMA channel after all. */
p->dma = PARPORT_DMA_NONE;
#endif /* Allowed to use FIFO/DMA */
- printk(KERN_CONT " [");
+ p->modes &= ~mode_mask;
-#define printmode(x) \
- {\
- if (p->modes & PARPORT_MODE_##x) {\
- printk(KERN_CONT "%s%s", f ? "," : "", #x);\
- f++;\
- } \
+#ifdef CONFIG_PARPORT_PC_FIFO
+ if ((p->modes & PARPORT_MODE_COMPAT) != 0)
+ p->ops->compat_write_data = parport_pc_compat_write_block_pio;
+#ifdef CONFIG_PARPORT_1284
+ if ((p->modes & PARPORT_MODE_ECP) != 0)
+ p->ops->ecp_write_data = parport_pc_ecp_write_block_pio;
+#endif
+ if ((p->modes & (PARPORT_MODE_ECP | PARPORT_MODE_COMPAT)) != 0) {
+ if ((p->modes & PARPORT_MODE_DMA) != 0)
+ pr_cont(", dma %d", p->dma);
+ else
+ pr_cont(", using FIFO");
}
+#endif /* Allowed to use FIFO/DMA */
+
+ pr_cont(" [");
+
+#define printmode(x) \
+do { \
+ if (p->modes & PARPORT_MODE_##x) \
+ pr_cont("%s%s", f++ ? "," : "", #x); \
+} while (0)
{
int f = 0;
printmode(PCSPP);
printmode(TRISTATE);
- printmode(COMPAT)
+ printmode(COMPAT);
printmode(EPP);
printmode(ECP);
printmode(DMA);
}
#undef printmode
#ifndef CONFIG_PARPORT_1284
- printk(KERN_CONT "(,...)");
+ pr_cont("(,...)");
#endif /* CONFIG_PARPORT_1284 */
- printk(KERN_CONT "]\n");
+ pr_cont("]\n");
if (probedirq != PARPORT_IRQ_NONE)
- printk(KERN_INFO "%s: irq %d detected\n", p->name, probedirq);
+ pr_info("%s: irq %d detected\n", p->name, probedirq);
/* If No ECP release the ports grabbed above. */
if (ECR_res && (p->modes & PARPORT_MODE_ECP) == 0) {
@@ -2158,8 +2203,7 @@ struct parport *parport_pc_probe_port(unsigned long int base,
if (p->irq != PARPORT_IRQ_NONE) {
if (request_irq(p->irq, parport_irq_handler,
irqflags, p->name, p)) {
- printk(KERN_WARNING "%s: irq %d in use, "
- "resorting to polled operation\n",
+ pr_warn("%s: irq %d in use, resorting to polled operation\n",
p->name, p->irq);
p->irq = PARPORT_IRQ_NONE;
p->dma = PARPORT_DMA_NONE;
@@ -2169,8 +2213,7 @@ struct parport *parport_pc_probe_port(unsigned long int base,
#ifdef HAS_DMA
if (p->dma != PARPORT_DMA_NONE) {
if (request_dma(p->dma, p->name)) {
- printk(KERN_WARNING "%s: dma %d in use, "
- "resorting to PIO operation\n",
+ pr_warn("%s: dma %d in use, resorting to PIO operation\n",
p->name, p->dma);
p->dma = PARPORT_DMA_NONE;
} else {
@@ -2180,9 +2223,7 @@ struct parport *parport_pc_probe_port(unsigned long int base,
&priv->dma_handle,
GFP_KERNEL);
if (!priv->dma_buf) {
- printk(KERN_WARNING "%s: "
- "cannot get buffer for DMA, "
- "resorting to PIO operation\n",
+ pr_warn("%s: cannot get buffer for DMA, resorting to PIO operation\n",
p->name);
free_dma(p->dma);
p->dma = PARPORT_DMA_NONE;
@@ -2221,7 +2262,7 @@ out5:
release_region(base+0x3, 5);
release_region(base, 3);
out4:
- parport_put_port(p);
+ parport_del_port(p);
out3:
kfree(priv);
out2:
@@ -2231,6 +2272,16 @@ out1:
platform_device_unregister(pdev);
return NULL;
}
+
+struct parport *parport_pc_probe_port(unsigned long int base,
+ unsigned long int base_hi,
+ int irq, int dma,
+ struct device *dev,
+ int irqflags)
+{
+ return __parport_pc_probe_port(base, base_hi, irq, dma,
+ dev, irqflags, 0, 0);
+}
EXPORT_SYMBOL(parport_pc_probe_port);
void parport_pc_unregister_port(struct parport *p)
@@ -2260,7 +2311,7 @@ void parport_pc_unregister_port(struct parport *p)
priv->dma_handle);
#endif
kfree(p->private_data);
- parport_put_port(p);
+ parport_del_port(p);
kfree(ops); /* hope no-one cached it */
}
EXPORT_SYMBOL(parport_pc_unregister_port);
@@ -2278,7 +2329,7 @@ static int sio_ite_8872_probe(struct pci_dev *pdev, int autoirq, int autodma,
int irq;
int i;
- DPRINTK(KERN_DEBUG "sio_ite_8872_probe()\n");
+ pr_debug("sio_ite_8872_probe()\n");
/* make sure which one chip */
for (i = 0; i < 5; i++) {
@@ -2295,7 +2346,7 @@ static int sio_ite_8872_probe(struct pci_dev *pdev, int autoirq, int autodma,
}
}
if (i >= 5) {
- printk(KERN_INFO "parport_pc: cannot find ITE8872 INTA\n");
+ pr_info("parport_pc: cannot find ITE8872 INTA\n");
return 0;
}
@@ -2304,29 +2355,28 @@ static int sio_ite_8872_probe(struct pci_dev *pdev, int autoirq, int autodma,
switch (type) {
case 0x2:
- printk(KERN_INFO "parport_pc: ITE8871 found (1P)\n");
+ pr_info("parport_pc: ITE8871 found (1P)\n");
ite8872set = 0x64200000;
break;
case 0xa:
- printk(KERN_INFO "parport_pc: ITE8875 found (1P)\n");
+ pr_info("parport_pc: ITE8875 found (1P)\n");
ite8872set = 0x64200000;
break;
case 0xe:
- printk(KERN_INFO "parport_pc: ITE8872 found (2S1P)\n");
+ pr_info("parport_pc: ITE8872 found (2S1P)\n");
ite8872set = 0x64e00000;
break;
case 0x6:
- printk(KERN_INFO "parport_pc: ITE8873 found (1S)\n");
+ pr_info("parport_pc: ITE8873 found (1S)\n");
release_region(inta_addr[i], 32);
return 0;
case 0x8:
- printk(KERN_INFO "parport_pc: ITE8874 found (2S)\n");
+ pr_info("parport_pc: ITE8874 found (2S)\n");
release_region(inta_addr[i], 32);
return 0;
default:
- printk(KERN_INFO "parport_pc: unknown ITE887x\n");
- printk(KERN_INFO "parport_pc: please mail 'lspci -nvv' "
- "output to Rich.Liu@ite.com.tw\n");
+ pr_info("parport_pc: unknown ITE887x\n");
+ pr_info("parport_pc: please mail 'lspci -nvv' output to Rich.Liu@ite.com.tw\n");
release_region(inta_addr[i], 32);
return 0;
}
@@ -2344,11 +2394,9 @@ static int sio_ite_8872_probe(struct pci_dev *pdev, int autoirq, int autodma,
pci_write_config_dword(pdev, 0x9c,
ite8872set | (ite8872_irq * 0x11111));
- DPRINTK(KERN_DEBUG "ITE887x: The IRQ is %d.\n", ite8872_irq);
- DPRINTK(KERN_DEBUG "ITE887x: The PARALLEL I/O port is 0x%x.\n",
- ite8872_lpt);
- DPRINTK(KERN_DEBUG "ITE887x: The PARALLEL I/O porthi is 0x%x.\n",
- ite8872_lpthi);
+ pr_debug("ITE887x: The IRQ is %d\n", ite8872_irq);
+ pr_debug("ITE887x: The PARALLEL I/O port is 0x%x\n", ite8872_lpt);
+ pr_debug("ITE887x: The PARALLEL I/O porthi is 0x%x\n", ite8872_lpthi);
/* Let the user (or defaults) steer us away from interrupts */
irq = ite8872_irq;
@@ -2361,12 +2409,11 @@ static int sio_ite_8872_probe(struct pci_dev *pdev, int autoirq, int autodma,
release_region(inta_addr[i], 32);
if (parport_pc_probe_port(ite8872_lpt, ite8872_lpthi,
irq, PARPORT_DMA_NONE, &pdev->dev, 0)) {
- printk(KERN_INFO
- "parport_pc: ITE 8872 parallel port: io=0x%X",
- ite8872_lpt);
+ pr_info("parport_pc: ITE 8872 parallel port: io=0x%X",
+ ite8872_lpt);
if (irq != PARPORT_IRQ_NONE)
- printk(", irq=%d", irq);
- printk("\n");
+ pr_cont(", irq=%d", irq);
+ pr_cont("\n");
return 1;
}
@@ -2436,8 +2483,7 @@ static int sio_via_probe(struct pci_dev *pdev, int autoirq, int autodma,
have_epp = 1;
break;
default:
- printk(KERN_DEBUG
- "parport_pc: probing current configuration\n");
+ printk(KERN_DEBUG "parport_pc: probing current configuration\n");
siofunc = VIA_FUNCTION_PROBE;
break;
}
@@ -2473,12 +2519,11 @@ static int sio_via_probe(struct pci_dev *pdev, int autoirq, int autodma,
port1 = inb(VIA_CONFIG_DATA) << 2;
printk(KERN_DEBUG "parport_pc: Current parallel port base: 0x%X\n",
- port1);
+ port1);
if (port1 == 0x3BC && have_epp) {
outb(via->viacfg_parport_base, VIA_CONFIG_INDEX);
outb((0x378 >> 2), VIA_CONFIG_DATA);
- printk(KERN_DEBUG
- "parport_pc: Parallel port base changed to 0x378\n");
+ printk(KERN_DEBUG "parport_pc: Parallel port base changed to 0x378\n");
port1 = 0x378;
}
@@ -2490,7 +2535,7 @@ static int sio_via_probe(struct pci_dev *pdev, int autoirq, int autodma,
pci_write_config_byte(pdev, via->via_pci_superio_config_reg, tmp);
if (siofunc == VIA_FUNCTION_PARPORT_DISABLE) {
- printk(KERN_INFO "parport_pc: VIA parallel port disabled in BIOS\n");
+ pr_info("parport_pc: VIA parallel port disabled in BIOS\n");
return 0;
}
@@ -2523,9 +2568,8 @@ static int sio_via_probe(struct pci_dev *pdev, int autoirq, int autodma,
case 0x278:
port2 = 0x678; break;
default:
- printk(KERN_INFO
- "parport_pc: Weird VIA parport base 0x%X, ignoring\n",
- port1);
+ pr_info("parport_pc: Weird VIA parport base 0x%X, ignoring\n",
+ port1);
return 0;
}
@@ -2544,17 +2588,16 @@ static int sio_via_probe(struct pci_dev *pdev, int autoirq, int autodma,
/* finally, do the probe with values obtained */
if (parport_pc_probe_port(port1, port2, irq, dma, &pdev->dev, 0)) {
- printk(KERN_INFO
- "parport_pc: VIA parallel port: io=0x%X", port1);
+ pr_info("parport_pc: VIA parallel port: io=0x%X", port1);
if (irq != PARPORT_IRQ_NONE)
- printk(", irq=%d", irq);
+ pr_cont(", irq=%d", irq);
if (dma != PARPORT_DMA_NONE)
- printk(", dma=%d", dma);
- printk("\n");
+ pr_cont(", dma=%d", dma);
+ pr_cont("\n");
return 1;
}
- printk(KERN_WARNING "parport_pc: Strange, can't probe VIA parallel port: io=0x%X, irq=%d, dma=%d\n",
+ pr_warn("parport_pc: Strange, can't probe VIA parallel port: io=0x%X, irq=%d, dma=%d\n",
port1, irq, dma);
return 0;
}
@@ -2596,8 +2639,6 @@ enum parport_pc_pci_cards {
syba_2p_epp,
syba_1p_ecp,
titan_010l,
- titan_1284p1,
- titan_1284p2,
avlab_1p,
avlab_2p,
oxsemi_952,
@@ -2606,6 +2647,7 @@ enum parport_pc_pci_cards {
oxsemi_pcie_pport,
aks_0100,
mobility_pp,
+ netmos_9900,
netmos_9705,
netmos_9715,
netmos_9755,
@@ -2613,7 +2655,11 @@ enum parport_pc_pci_cards {
netmos_9815,
netmos_9901,
netmos_9865,
+ asix_ax99100,
quatech_sppxp100,
+ wch_ch382l,
+ brainboxes_uc146,
+ brainboxes_px203,
};
@@ -2626,7 +2672,14 @@ static struct parport_pc_pci {
int lo;
int hi;
/* -1 if not there, >6 for offset-method (max BAR is 6) */
- } addr[4];
+ } addr[2];
+
+ /* Bit field of parport modes to exclude. */
+ unsigned int mode_mask;
+
+ /* If non-zero, sets the bitmask of writable ECR bits. In that
+ * case additionally bit 0 will be forcibly set on writes. */
+ unsigned char ecr_writable;
/* If set, this is called immediately after pci_enable_device.
* If it returns non-zero, no probing will take place and the
@@ -2656,28 +2709,38 @@ static struct parport_pc_pci {
/* syba_2p_epp AP138B */ { 2, { { 0, 0x078 }, { 0, 0x178 }, } },
/* syba_1p_ecp W83787 */ { 1, { { 0, 0x078 }, } },
/* titan_010l */ { 1, { { 3, -1 }, } },
- /* titan_1284p1 */ { 1, { { 0, 1 }, } },
- /* titan_1284p2 */ { 2, { { 0, 1 }, { 2, 3 }, } },
/* avlab_1p */ { 1, { { 0, 1}, } },
/* avlab_2p */ { 2, { { 0, 1}, { 2, 3 },} },
- /* The Oxford Semi cards are unusual: 954 doesn't support ECP,
- * and 840 locks up if you write 1 to bit 2! */
- /* oxsemi_952 */ { 1, { { 0, 1 }, } },
- /* oxsemi_954 */ { 1, { { 0, -1 }, } },
- /* oxsemi_840 */ { 1, { { 0, 1 }, } },
- /* oxsemi_pcie_pport */ { 1, { { 0, 1 }, } },
+ /* The Oxford Semi cards are unusual: older variants of 954 don't
+ * support ECP, and 840 locks up if you write 1 to bit 2! None
+ * implement nFault or service interrupts and all require 00001
+ * bit pattern to be used for bits 4:0 with ECR writes. */
+ /* oxsemi_952 */ { 1, { { 0, 1 }, },
+ PARPORT_MODE_COMPAT, ECR_MODE_MASK },
+ /* oxsemi_954 */ { 1, { { 0, 1 }, },
+ PARPORT_MODE_ECP |
+ PARPORT_MODE_COMPAT, ECR_MODE_MASK },
+ /* oxsemi_840 */ { 1, { { 0, 1 }, },
+ PARPORT_MODE_COMPAT, ECR_MODE_MASK },
+ /* oxsemi_pcie_pport */ { 1, { { 0, 1 }, },
+ PARPORT_MODE_COMPAT, ECR_MODE_MASK },
/* aks_0100 */ { 1, { { 0, -1 }, } },
/* mobility_pp */ { 1, { { 0, 1 }, } },
+ /* netmos_9900 */ { 1, { { 0, -1 }, } },
/* The netmos entries below are untested */
/* netmos_9705 */ { 1, { { 0, -1 }, } },
/* netmos_9715 */ { 2, { { 0, 1 }, { 2, 3 },} },
/* netmos_9755 */ { 2, { { 0, 1 }, { 2, 3 },} },
- /* netmos_9805 */ { 1, { { 0, -1 }, } },
- /* netmos_9815 */ { 2, { { 0, -1 }, { 2, -1 }, } },
+ /* netmos_9805 */ { 1, { { 0, 1 }, } },
+ /* netmos_9815 */ { 2, { { 0, 1 }, { 2, 3 }, } },
/* netmos_9901 */ { 1, { { 0, -1 }, } },
/* netmos_9865 */ { 1, { { 0, -1 }, } },
+ /* asix_ax99100 */ { 1, { { 0, 1 }, } },
/* quatech_sppxp100 */ { 1, { { 0, 1 }, } },
+ /* wch_ch382l */ { 1, { { 2, -1 }, } },
+ /* brainboxes_uc146 */ { 1, { { 3, -1 }, } },
+ /* brainboxes_px203 */ { 1, { { 0, -1 }, } },
};
static const struct pci_device_id parport_pc_pci_tbl[] = {
@@ -2718,8 +2781,6 @@ static const struct pci_device_id parport_pc_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID, 0, 0, syba_1p_ecp },
{ PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_010L,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_010l },
- { 0x9710, 0x9805, 0x1000, 0x0010, 0, 0, titan_1284p1 },
- { 0x9710, 0x9815, 0x1000, 0x0020, 0, 0, titan_1284p2 },
/* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/
/* AFAVLAB_TK9902 */
{ 0x14db, 0x2120, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1p},
@@ -2750,6 +2811,8 @@ static const struct pci_device_id parport_pc_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID, 0, 0, aks_0100 },
{ 0x14f2, 0x0121, PCI_ANY_ID, PCI_ANY_ID, 0, 0, mobility_pp },
/* NetMos communication controllers */
+ { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
+ 0xA000, 0x2000, 0, 0, netmos_9900 },
{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9705,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9705 },
{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9715,
@@ -2766,9 +2829,31 @@ static const struct pci_device_id parport_pc_pci_tbl[] = {
0xA000, 0x1000, 0, 0, netmos_9865 },
{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
0xA000, 0x2000, 0, 0, netmos_9865 },
+ /* ASIX AX99100 PCIe to Multi I/O Controller */
+ { PCI_VENDOR_ID_ASIX, PCI_DEVICE_ID_ASIX_AX99100,
+ 0xA000, 0x2000, 0, 0, asix_ax99100 },
/* Quatech SPPXP-100 Parallel port PCI ExpressCard */
{ PCI_VENDOR_ID_QUATECH, PCI_DEVICE_ID_QUATECH_SPPXP_100,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, quatech_sppxp100 },
+ /* WCH CH382L PCI-E single parallel port card */
+ { 0x1c00, 0x3050, 0x1c00, 0x3050, 0, 0, wch_ch382l },
+ /* Brainboxes IX-500/550 */
+ { PCI_VENDOR_ID_INTASHIELD, 0x402a,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
+ /* Brainboxes UC-146/UC-157 */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0be1,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc146 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0be2,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc146 },
+ /* Brainboxes PX-146/PX-257 */
+ { PCI_VENDOR_ID_INTASHIELD, 0x401c,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
+ /* Brainboxes PX-203 */
+ { PCI_VENDOR_ID_INTASHIELD, 0x4007,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_px203 },
+ /* Brainboxes PX-475 */
+ { PCI_VENDOR_ID_INTASHIELD, 0x401f,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
{ 0, } /* terminate list */
};
MODULE_DEVICE_TABLE(pci, parport_pc_pci_tbl);
@@ -2821,23 +2906,19 @@ static int parport_pc_pci_probe(struct pci_dev *dev,
/* TODO: test if sharing interrupts works */
irq = dev->irq;
if (irq == IRQ_NONE) {
- printk(KERN_DEBUG
- "PCI parallel port detected: %04x:%04x, I/O at %#lx(%#lx)\n",
- parport_pc_pci_tbl[i + last_sio].vendor,
- parport_pc_pci_tbl[i + last_sio].device,
- io_lo, io_hi);
+ printk(KERN_DEBUG "PCI parallel port detected: %04x:%04x, I/O at %#lx(%#lx)\n",
+ id->vendor, id->device, io_lo, io_hi);
irq = PARPORT_IRQ_NONE;
} else {
- printk(KERN_DEBUG
- "PCI parallel port detected: %04x:%04x, I/O at %#lx(%#lx), IRQ %d\n",
- parport_pc_pci_tbl[i + last_sio].vendor,
- parport_pc_pci_tbl[i + last_sio].device,
- io_lo, io_hi, irq);
+ printk(KERN_DEBUG "PCI parallel port detected: %04x:%04x, I/O at %#lx(%#lx), IRQ %d\n",
+ id->vendor, id->device, io_lo, io_hi, irq);
}
data->ports[count] =
- parport_pc_probe_port(io_lo, io_hi, irq,
- PARPORT_DMA_NONE, &dev->dev,
- IRQF_SHARED);
+ __parport_pc_probe_port(io_lo, io_hi, irq,
+ PARPORT_DMA_NONE, &dev->dev,
+ IRQF_SHARED,
+ cards[i].mode_mask,
+ cards[i].ecr_writable);
if (data->ports[count])
count++;
}
@@ -2862,8 +2943,6 @@ static void parport_pc_pci_remove(struct pci_dev *dev)
struct pci_parport_data *data = pci_get_drvdata(dev);
int i;
- pci_set_drvdata(dev, NULL);
-
if (data) {
for (i = data->num - 1; i >= 0; i--)
parport_pc_unregister_port(data->ports[i]);
@@ -2989,7 +3068,6 @@ static int parport_pc_platform_probe(struct platform_device *pdev)
static struct platform_driver parport_pc_platform_driver = {
.driver = {
- .owner = THIS_MODULE,
.name = "parport_pc",
},
.probe = parport_pc_platform_probe,
@@ -3085,7 +3163,7 @@ static int __init parport_parse_param(const char *s, int *val,
if (ep != s)
*val = r;
else {
- printk(KERN_ERR "parport: bad specifier `%s'\n", s);
+ pr_err("parport: bad specifier `%s'\n", s);
return -1;
}
}
@@ -3107,8 +3185,8 @@ static int __init parport_parse_dma(const char *dmastr, int *val)
#ifdef CONFIG_PCI
static int __init parport_init_mode_setup(char *str)
{
- printk(KERN_DEBUG
- "parport_pc.c: Specified parameter parport_init_mode=%s\n", str);
+ printk(KERN_DEBUG "parport_pc.c: Specified parameter parport_init_mode=%s\n",
+ str);
if (!strcmp(str, "spp"))
parport_init_mode = 1;
@@ -3129,13 +3207,13 @@ static char *irq[PARPORT_PC_MAX_PORTS];
static char *dma[PARPORT_PC_MAX_PORTS];
MODULE_PARM_DESC(io, "Base I/O address (SPP regs)");
-module_param_array(io, int, NULL, 0);
+module_param_hw_array(io, int, ioport, NULL, 0);
MODULE_PARM_DESC(io_hi, "Base I/O address (ECR)");
-module_param_array(io_hi, int, NULL, 0);
+module_param_hw_array(io_hi, int, ioport, NULL, 0);
MODULE_PARM_DESC(irq, "IRQ line");
-module_param_array(irq, charp, NULL, 0);
+module_param_hw_array(irq, charp, irq, NULL, 0);
MODULE_PARM_DESC(dma, "DMA channel");
-module_param_array(dma, charp, NULL, 0);
+module_param_hw_array(dma, charp, dma, NULL, 0);
#if defined(CONFIG_PARPORT_PC_SUPERIO) || \
(defined(CONFIG_PARPORT_1284) && defined(CONFIG_PARPORT_PC_FIFO))
MODULE_PARM_DESC(verbose_probing, "Log chit-chat during initialisation");
@@ -3175,10 +3253,7 @@ static int __init parse_parport_params(void)
irqval[0] = val;
break;
default:
- printk(KERN_WARNING
- "parport_pc: irq specified "
- "without base address. Use 'io=' "
- "to specify one\n");
+ pr_warn("parport_pc: irq specified without base address. Use 'io=' to specify one\n");
}
if (dma[0] && !parport_parse_dma(dma[0], &val))
@@ -3188,10 +3263,7 @@ static int __init parse_parport_params(void)
dmaval[0] = val;
break;
default:
- printk(KERN_WARNING
- "parport_pc: dma specified "
- "without base address. Use 'io=' "
- "to specify one\n");
+ pr_warn("parport_pc: dma specified without base address. Use 'io=' to specify one\n");
}
}
return 0;
@@ -3230,12 +3302,12 @@ static int __init parport_setup(char *str)
val = simple_strtoul(str, &endptr, 0);
if (endptr == str) {
- printk(KERN_WARNING "parport=%s not understood\n", str);
+ pr_warn("parport=%s not understood\n", str);
return 1;
}
if (parport_setup_ptr == PARPORT_PC_MAX_PORTS) {
- printk(KERN_ERR "parport=%s ignored, too many ports\n", str);
+ pr_err("parport=%s ignored, too many ports\n", str);
return 1;
}
@@ -3318,13 +3390,14 @@ static void __exit parport_pc_exit(void)
while (!list_empty(&ports_list)) {
struct parport_pc_private *priv;
struct parport *port;
+ struct device *dev;
priv = list_entry(ports_list.next,
struct parport_pc_private, list);
port = priv->port;
- if (port->dev && port->dev->bus == &platform_bus_type)
- platform_device_unregister(
- to_platform_device(port->dev));
+ dev = port->dev;
parport_pc_unregister_port(port);
+ if (dev && dev->bus == &platform_bus_type)
+ platform_device_unregister(to_platform_device(dev));
}
}
generated by cgit (git 2.34.1) at 2025-12-25 04:53:04 +0000