From: Greg KH <greg@kroah.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [BK PATCH] PCI ops cleanups for 2.5.32-bk
Date: Fri, 30 Aug 2002 15:10:44 -0700 [thread overview]
Message-ID: <20020830221044.GF10783@kroah.com> (raw)
In-Reply-To: <20020830221017.GE10783@kroah.com>
# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
# ChangeSet 1.546 -> 1.547
# arch/alpha/kernel/core_t2.c 1.3 -> 1.4
# arch/alpha/kernel/core_irongate.c 1.6 -> 1.7
# arch/alpha/kernel/core_polaris.c 1.2 -> 1.3
# arch/alpha/kernel/core_apecs.c 1.3 -> 1.4
# arch/alpha/kernel/core_lca.c 1.3 -> 1.4
# arch/alpha/kernel/core_cia.c 1.8 -> 1.9
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/08/30 greg@kroah.com 1.547
# [PATCH] PCI: alpha pci_ops changes
#
# pci_ops update for most of the alpha ports.
# --------------------------------------------
#
diff -Nru a/arch/alpha/kernel/core_apecs.c b/arch/alpha/kernel/core_apecs.c
--- a/arch/alpha/kernel/core_apecs.c Fri Aug 30 15:00:27 2002
+++ b/arch/alpha/kernel/core_apecs.c Fri Aug 30 15:00:27 2002
@@ -90,12 +90,11 @@
*/
static int
-mk_conf_addr(struct pci_dev *dev, int where, unsigned long *pci_addr,
- unsigned char *type1)
+mk_conf_addr(struct pci_bus *bus_dev, unsigned int device_fn, int where,
+ unsigned long *pci_addr, unsigned char *type1)
{
unsigned long addr;
- u8 bus = dev->bus->number;
- u8 device_fn = dev->devfn;
+ u8 bus = bus_dev->number;
DBGC(("mk_conf_addr(bus=%d ,device_fn=0x%x, where=0x%x,"
" pci_addr=0x%p, type1=0x%p)\n",
@@ -273,87 +272,66 @@
}
static int
-apecs_read_config_byte(struct pci_dev *dev, int where, u8 *value)
+apecs_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
+ u8 *value)
{
unsigned long addr, pci_addr;
unsigned char type1;
+ long mask;
+ int shift;
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- addr = (pci_addr << 5) + 0x00 + APECS_CONF;
- *value = conf_read(addr, type1) >> ((where & 3) * 8);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-apecs_read_config_word(struct pci_dev *dev, int where, u16 *value)
-{
- unsigned long addr, pci_addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- addr = (pci_addr << 5) + 0x08 + APECS_CONF;
- *value = conf_read(addr, type1) >> ((where & 3) * 8);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-apecs_read_config_dword(struct pci_dev *dev, int where, u32 *value)
-{
- unsigned long addr, pci_addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- addr = (pci_addr << 5) + 0x18 + APECS_CONF;
- *value = conf_read(addr, type1);
+ switch (size) {
+ case 1:
+ mask = 0x00;
+ shift = (where & 3) * 8;
+ break;
+ case 2:
+ mask = 0x08;
+ shift = (where & 3) * 8;
+ break;
+ case 4:
+ mask = 0x18;
+ shift = 0;
+ break;
+ }
+ addr = (pci_addr << 5) + mask + APECS_CONF;
+ *value = conf_read(addr, type1) >> (shift);
return PCIBIOS_SUCCESSFUL;
}
static int
-apecs_write_config(struct pci_dev *dev, int where, u32 value, long mask)
+apecs_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
{
unsigned long addr, pci_addr;
unsigned char type1;
+ long mask;
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
+ switch (size) {
+ case 1:
+ mask = 0x00;
+ break;
+ case 2:
+ mask = 0x08;
+ break;
+ case 4:
+ mask = 0x18;
+ break;
+ }
addr = (pci_addr << 5) + mask + APECS_CONF;
conf_write(addr, value << ((where & 3) * 8), type1);
return PCIBIOS_SUCCESSFUL;
}
-static int
-apecs_write_config_byte(struct pci_dev *dev, int where, u8 value)
-{
- return apecs_write_config(dev, where, value, 0x00);
-}
-
-static int
-apecs_write_config_word(struct pci_dev *dev, int where, u16 value)
-{
- return apecs_write_config(dev, where, value, 0x08);
-}
-
-static int
-apecs_write_config_dword(struct pci_dev *dev, int where, u32 value)
-{
- return apecs_write_config(dev, where, value, 0x18);
-}
-
struct pci_ops apecs_pci_ops =
{
- read_byte: apecs_read_config_byte,
- read_word: apecs_read_config_word,
- read_dword: apecs_read_config_dword,
- write_byte: apecs_write_config_byte,
- write_word: apecs_write_config_word,
- write_dword: apecs_write_config_dword
+ .read = apecs_read_config,
+ .write = apecs_write_config,
};
\f
void
diff -Nru a/arch/alpha/kernel/core_cia.c b/arch/alpha/kernel/core_cia.c
--- a/arch/alpha/kernel/core_cia.c Fri Aug 30 15:00:27 2002
+++ b/arch/alpha/kernel/core_cia.c Fri Aug 30 15:00:27 2002
@@ -89,11 +89,10 @@
*/
static int
-mk_conf_addr(struct pci_dev *dev, int where, unsigned long *pci_addr,
- unsigned char *type1)
+mk_conf_addr(struct pci_bus *bus_dev, unsigned int device_fn, int where,
+ unsigned long *pci_addr, unsigned char *type1)
{
- u8 bus = dev->bus->number;
- u8 device_fn = dev->devfn;
+ u8 bus = bus_dev->number;
*type1 = (bus != 0);
*pci_addr = (bus << 16) | (device_fn << 8) | where;
@@ -208,88 +207,70 @@
DBGC(("done\n"));
}
-static int
-cia_read_config_byte(struct pci_dev *dev, int where, u8 *value)
-{
- unsigned long addr, pci_addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- addr = (pci_addr << 5) + 0x00 + CIA_CONF;
- *value = conf_read(addr, type1) >> ((where & 3) * 8);
- return PCIBIOS_SUCCESSFUL;
-}
-
static int
-cia_read_config_word(struct pci_dev *dev, int where, u16 *value)
+cia_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
+ u32 *value)
{
unsigned long addr, pci_addr;
+ long mask;
unsigned char type1;
+ int shift;
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- addr = (pci_addr << 5) + 0x08 + CIA_CONF;
- *value = conf_read(addr, type1) >> ((where & 3) * 8);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-cia_read_config_dword(struct pci_dev *dev, int where, u32 *value)
-{
- unsigned long addr, pci_addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
+ switch (size) {
+ case 1:
+ mask = 0x00;
+ shift = (where & 3) * 8;
+ break;
+ case 2:
+ mask = 0x08;
+ shift = (where & 3) * 8;
+ break;
+ case 4:
+ mase = 0x18;
+ shift = 0;
+ break;
+ }
addr = (pci_addr << 5) + 0x18 + CIA_CONF;
- *value = conf_read(addr, type1);
+ *value = conf_read(addr, type1) >> (shift);
return PCIBIOS_SUCCESSFUL;
}
static int
-cia_write_config(struct pci_dev *dev, int where, u32 value, long mask)
+cia_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
+ u32 value)
{
unsigned long addr, pci_addr;
+ long mask;
unsigned char type1;
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
+ switch (size) {
+ case 1:
+ mask = 0x00;
+ break;
+ case 2:
+ mask = 0x08;
+ break;
+ case 4:
+ mase = 0x18;
+ break;
+ }
+
addr = (pci_addr << 5) + mask + CIA_CONF;
conf_write(addr, value << ((where & 3) * 8), type1);
return PCIBIOS_SUCCESSFUL;
}
-static int
-cia_write_config_byte(struct pci_dev *dev, int where, u8 value)
-{
- return cia_write_config(dev, where, value, 0x00);
-}
-
-static int
-cia_write_config_word(struct pci_dev *dev, int where, u16 value)
-{
- return cia_write_config(dev, where, value, 0x08);
-}
-
-static int
-cia_write_config_dword(struct pci_dev *dev, int where, u32 value)
-{
- return cia_write_config(dev, where, value, 0x18);
-}
-
struct pci_ops cia_pci_ops =
{
- read_byte: cia_read_config_byte,
- read_word: cia_read_config_word,
- read_dword: cia_read_config_dword,
- write_byte: cia_write_config_byte,
- write_word: cia_write_config_word,
- write_dword: cia_write_config_dword
+ .read = cia_read_config,
+ .write = cia_write_config,
};
\f
/*
diff -Nru a/arch/alpha/kernel/core_irongate.c b/arch/alpha/kernel/core_irongate.c
--- a/arch/alpha/kernel/core_irongate.c Fri Aug 30 15:00:27 2002
+++ b/arch/alpha/kernel/core_irongate.c Fri Aug 30 15:00:27 2002
@@ -83,12 +83,11 @@
*/
static int
-mk_conf_addr(struct pci_dev *dev, int where, unsigned long *pci_addr,
- unsigned char *type1)
+mk_conf_addr(struct pci_bus *bus_dev, unsigned int device_fn, int where,
+ unsigned long *pci_addr, unsigned char *type1)
{
unsigned long addr;
- u8 bus = dev->bus->number;
- u8 device_fn = dev->devfn;
+ u8 bus = bus_dev->number;
DBG_CFG(("mk_conf_addr(bus=%d ,device_fn=0x%x, where=0x%x, "
"pci_addr=0x%p, type1=0x%p)\n",
@@ -105,12 +104,13 @@
}
static int
-irongate_read_config_byte(struct pci_dev *dev, int where, u8 *value)
+irongate_read_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 *value)
{
unsigned long addr;
unsigned char type1;
- if (mk_conf_addr(dev, where, &addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
*value = __kernel_ldbu(*(vucp)addr);
@@ -118,38 +118,13 @@
}
static int
-irongate_read_config_word(struct pci_dev *dev, int where, u16 *value)
+irongate_write_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 value)
{
unsigned long addr;
unsigned char type1;
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- *value = __kernel_ldwu(*(vusp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-irongate_read_config_dword(struct pci_dev *dev, int where, u32 *value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- *value = *(vuip)addr;
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-irongate_write_config_byte(struct pci_dev *dev, int where, u8 value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
__kernel_stb(value, *(vucp)addr);
@@ -158,45 +133,11 @@
return PCIBIOS_SUCCESSFUL;
}
-static int
-irongate_write_config_word(struct pci_dev *dev, int where, u16 value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- __kernel_stw(value, *(vusp)addr);
- mb();
- __kernel_ldwu(*(vusp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-irongate_write_config_dword(struct pci_dev *dev, int where, u32 value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- *(vuip)addr = value;
- mb();
- *(vuip)addr;
- return PCIBIOS_SUCCESSFUL;
-}
-
struct pci_ops irongate_pci_ops =
{
- read_byte: irongate_read_config_byte,
- read_word: irongate_read_config_word,
- read_dword: irongate_read_config_dword,
- write_byte: irongate_write_config_byte,
- write_word: irongate_write_config_word,
- write_dword: irongate_write_config_dword
+ .read = irongate_read_config,
+ .write = irongate_write_config,
};
\f
#ifdef DEBUG_IRONGATE
diff -Nru a/arch/alpha/kernel/core_lca.c b/arch/alpha/kernel/core_lca.c
--- a/arch/alpha/kernel/core_lca.c Fri Aug 30 15:00:27 2002
+++ b/arch/alpha/kernel/core_lca.c Fri Aug 30 15:00:27 2002
@@ -99,11 +99,11 @@
*/
static int
-mk_conf_addr(struct pci_dev *dev, int where, unsigned long *pci_addr)
+mk_conf_addr(struct pci_bus *bus_dev, unsigned int device_fn, int where,
+ unsigned long *pci_addr)
{
unsigned long addr;
- u8 bus = dev->bus->number;
- u8 device_fn = dev->devfn;
+ u8 bus = bus_dev->number;
if (bus == 0) {
int device = device_fn >> 3;
@@ -199,83 +199,65 @@
}
static int
-lca_read_config_byte(struct pci_dev *dev, int where, u8 *value)
+lca_read_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 *value)
{
unsigned long addr, pci_addr;
+ long mask;
+ int shift
- if (mk_conf_addr(dev, where, &pci_addr))
+ if (mk_conf_addr(bus, devfn, dev, where, &pci_addr))
return PCIBIOS_DEVICE_NOT_FOUND;
- addr = (pci_addr << 5) + 0x00 + LCA_CONF;
- *value = conf_read(addr) >> ((where & 3) * 8);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-lca_read_config_word(struct pci_dev *dev, int where, u16 *value)
-{
- unsigned long addr, pci_addr;
-
- if (mk_conf_addr(dev, where, &pci_addr))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- addr = (pci_addr << 5) + 0x08 + LCA_CONF;
- *value = conf_read(addr) >> ((where & 3) * 8);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-lca_read_config_dword(struct pci_dev *dev, int where, u32 *value)
-{
- unsigned long addr, pci_addr;
-
- if (mk_conf_addr(dev, where, &pci_addr))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- addr = (pci_addr << 5) + 0x18 + LCA_CONF;
- *value = conf_read(addr);
+ switch (size) {
+ case 1:
+ shift = (where & 3) * 8;
+ mask = 0x00;
+ break;
+ case 2:
+ shift = (where & 3) * 8;
+ mask = 0x08
+ break;
+ case 4:
+ shift = 0;
+ mask = 0x18
+ break;
+ }
+ addr = (pci_addr << 5) + mask + LCA_CONF;
+ *value = conf_read(addr) >> (shift);
return PCIBIOS_SUCCESSFUL;
}
static int
-lca_write_config(struct pci_dev *dev, int where, u32 value, long mask)
+lca_write_config(struct pci_bus *dev, unsigned int devfn, int where, int size,
+ u32 value)
{
unsigned long addr, pci_addr;
+ long mask;
- if (mk_conf_addr(dev, where, &pci_addr))
+ if (mk_conf_addr(bus, devfn, where, &pci_addr))
return PCIBIOS_DEVICE_NOT_FOUND;
+ switch (size) {
+ case 1:
+ mask = 0x00;
+ break;
+ case 2:
+ mask = 0x08
+ break;
+ case 4:
+ mask = 0x18
+ break;
+ }
addr = (pci_addr << 5) + mask + LCA_CONF;
conf_write(addr, value << ((where & 3) * 8));
return PCIBIOS_SUCCESSFUL;
}
-static int
-lca_write_config_byte(struct pci_dev *dev, int where, u8 value)
-{
- return lca_write_config(dev, where, value, 0x00);
-}
-
-static int
-lca_write_config_word(struct pci_dev *dev, int where, u16 value)
-{
- return lca_write_config(dev, where, value, 0x08);
-}
-
-static int
-lca_write_config_dword(struct pci_dev *dev, int where, u32 value)
-{
- return lca_write_config(dev, where, value, 0x18);
-}
-
struct pci_ops lca_pci_ops =
{
- read_byte: lca_read_config_byte,
- read_word: lca_read_config_word,
- read_dword: lca_read_config_dword,
- write_byte: lca_write_config_byte,
- write_word: lca_write_config_word,
- write_dword: lca_write_config_dword
+ .read = lca_read_config,
+ .write = lca_write_config,
};
\f
void
diff -Nru a/arch/alpha/kernel/core_polaris.c b/arch/alpha/kernel/core_polaris.c
--- a/arch/alpha/kernel/core_polaris.c Fri Aug 30 15:00:27 2002
+++ b/arch/alpha/kernel/core_polaris.c Fri Aug 30 15:00:27 2002
@@ -65,10 +65,10 @@
*/
static int
-mk_conf_addr(struct pci_dev *dev, int where, unsigned long *pci_addr, u8 *type1)
+mk_conf_addr(struct pci_bus *bus_dev, unsigned int device_fn, int where,
+ unsigned long *pci_addr, u8 *type1)
{
- u8 bus = dev->bus->number;
- u8 device_fn = dev->devfn;
+ u8 bus = bus_dev->number;
*type1 = (bus == 0) ? 0 : 1;
*pci_addr = (bus << 16) | (device_fn << 8) | (where) |
@@ -82,51 +82,28 @@
}
static int
-polaris_read_config_byte(struct pci_dev *dev, int where, u8 *value)
+polaris_read_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 *value)
{
unsigned long pci_addr;
unsigned char type1;
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
*value = __kernel_ldbu(*(vucp)pci_addr);
return PCIBIOS_SUCCESSFUL;
}
-static int
-polaris_read_config_word(struct pci_dev *dev, int where, u16 *value)
-{
- unsigned long pci_addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- *value = __kernel_ldwu(*(vusp)pci_addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
-int
-polaris_read_config_dword(struct pci_dev *dev, int where, u32 *value)
-{
- unsigned long pci_addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- *value = *(vuip)pci_addr;
- return PCIBIOS_SUCCESSFUL;
-}
static int
-polaris_write_config_byte(struct pci_dev *dev, int where, u8 value)
+polaris_write_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 value)
{
unsigned long pci_addr;
unsigned char type1;
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
__kernel_stb(value, *(vucp)pci_addr);
@@ -135,44 +112,10 @@
return PCIBIOS_SUCCESSFUL;
}
-static int
-polaris_write_config_word(struct pci_dev *dev, int where, u16 value)
-{
- unsigned long pci_addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- __kernel_stw(value, *(vusp)pci_addr);
- mb();
- __kernel_ldwu(*(vusp)pci_addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
-int
-polaris_write_config_dword(struct pci_dev *dev, int where, u32 value)
-{
- unsigned long pci_addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- *(vuip)pci_addr = value;
- mb();
- *(vuip)pci_addr;
- return PCIBIOS_SUCCESSFUL;
-}
-
struct pci_ops polaris_pci_ops =
{
- read_byte: polaris_read_config_byte,
- read_word: polaris_read_config_word,
- read_dword: polaris_read_config_dword,
- write_byte: polaris_write_config_byte,
- write_word: polaris_write_config_word,
- write_dword: polaris_write_config_dword
+ .read = polaris_read_config,
+ .write = polaris_write_config,
};
\f
void __init
diff -Nru a/arch/alpha/kernel/core_t2.c b/arch/alpha/kernel/core_t2.c
--- a/arch/alpha/kernel/core_t2.c Fri Aug 30 15:00:27 2002
+++ b/arch/alpha/kernel/core_t2.c Fri Aug 30 15:00:27 2002
@@ -89,12 +89,11 @@
*/
static int
-mk_conf_addr(struct pci_dev *dev, int where, unsigned long *pci_addr,
- unsigned char *type1)
+mk_conf_addr(struct pci_bus *bus_dev, unsigned int device_fn, int where,
+ unsigned long *pci_addr, unsigned char *type1)
{
unsigned long addr;
- u8 bus = dev->bus->number;
- u8 device_fn = dev->devfn;
+ u8 bus = bus_dev->number;
DBG(("mk_conf_addr(bus=%d, dfn=0x%x, where=0x%x,"
" addr=0x%lx, type1=0x%x)\n",
@@ -238,87 +237,67 @@
}
static int
-t2_read_config_byte(struct pci_dev *dev, int where, u8 *value)
+t2_read_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 *value)
{
unsigned long addr, pci_addr;
unsigned char type1;
+ int shift;
+ long mask;
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- addr = (pci_addr << 5) + 0x00 + T2_CONF;
- *value = conf_read(addr, type1) >> ((where & 3) * 8);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-t2_read_config_word(struct pci_dev *dev, int where, u16 *value)
-{
- unsigned long addr, pci_addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- addr = (pci_addr << 5) + 0x08 + T2_CONF;
- *value = conf_read(addr, type1) >> ((where & 3) * 8);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-t2_read_config_dword(struct pci_dev *dev, int where, u32 *value)
-{
- unsigned long addr, pci_addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- addr = (pci_addr << 5) + 0x18 + T2_CONF;
- *value = conf_read(addr, type1);
+ switch (size) {
+ case 1:
+ mask = 0x00;
+ shift = (where & 3) * 8;
+ break;
+ case 2:
+ mask = 0x08;
+ shift = (where & 3) * 8;
+ break;
+ case 4:
+ mask = 0x18;
+ shift = 0;
+ break;
+ }
+ addr = (pci_addr << 5) + mask + T2_CONF;
+ *value = conf_read(addr, type1) >> (shift);
return PCIBIOS_SUCCESSFUL;
}
static int
-t2_write_config(struct pci_dev *dev, int where, u32 value, long mask)
+t2_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
+ u32 value)
{
unsigned long addr, pci_addr;
unsigned char type1;
+ long mask;
if (mk_conf_addr(dev, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
+ switch (size) {
+ case 1:
+ mask = 0x00;
+ break;
+ case 2:
+ mask = 0x08;
+ break;
+ case 4:
+ mask = 0x18;
+ break;
+ }
addr = (pci_addr << 5) + mask + T2_CONF;
conf_write(addr, value << ((where & 3) * 8), type1);
return PCIBIOS_SUCCESSFUL;
}
-static int
-t2_write_config_byte(struct pci_dev *dev, int where, u8 value)
-{
- return t2_write_config(dev, where, value, 0x00);
-}
-
-static int
-t2_write_config_word(struct pci_dev *dev, int where, u16 value)
-{
- return t2_write_config(dev, where, value, 0x08);
-}
-
-static int
-t2_write_config_dword(struct pci_dev *dev, int where, u32 value)
-{
- return t2_write_config(dev, where, value, 0x18);
-}
-
struct pci_ops t2_pci_ops =
{
- read_byte: t2_read_config_byte,
- read_word: t2_read_config_word,
- read_dword: t2_read_config_dword,
- write_byte: t2_write_config_byte,
- write_word: t2_write_config_word,
- write_dword: t2_write_config_dword
+ .read = t2_read_config,
+ .write = t2_write_config,
};
\f
void __init
next prev parent reply other threads:[~2002-08-30 22:09 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-30 22:07 Greg KH
2002-08-30 22:08 ` Greg KH
2002-08-30 22:09 ` Greg KH
2002-08-30 22:09 ` Greg KH
2002-08-30 22:10 ` Greg KH
2002-08-30 22:10 ` Greg KH [this message]
2002-08-30 22:11 ` Greg KH
2002-08-30 22:11 ` Greg KH
2002-08-30 22:11 ` Greg KH
2002-08-30 22:12 ` Greg KH
2002-08-30 22:12 ` Greg KH
2002-08-30 22:13 ` Greg KH
2002-08-30 22:25 ` Greg KH
2002-08-30 22:26 ` Greg KH
2002-08-30 22:24 ` David S. Miller
2002-08-30 22:28 ` Greg KH
2002-08-30 22:24 ` David S. Miller
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