pnp: Add some default functions to enter/exit config state
Implement some common default functions to enter and exit the
configuration state. Also provide default pnp_mode_ops for common
enter()/exit() function pairs.
The following cocci ensures their use:
@ mode_match @
identifier enter, exit, ops;
@@
struct pnp_mode_ops ops = {
.enter_conf_mode = enter,
.exit_conf_mode = exit,
};
@ enter_match_8787 @
identifier mode_match.enter, dev;
@@
enter(...)
{
outb(0x87, dev->path.pnp.port);
outb(0x87, dev->path.pnp.port);
}
@ depends on enter_match_8787 @
identifier mode_match.enter, mode_match.ops;
@@
struct pnp_mode_ops ops = {
- .enter_conf_mode = enter,
+ .enter_conf_mode = pnp_enter_conf_mode_8787,
};
@ enter_match_55 @
identifier mode_match.enter, dev;
@@
enter(...)
{
outb(0x55, dev->path.pnp.port);
}
@ depends on enter_match_55 @
identifier mode_match.enter, mode_match.ops;
@@
struct pnp_mode_ops ops = {
- .enter_conf_mode = enter,
+ .enter_conf_mode = pnp_enter_conf_mode_55,
};
@ depends on enter_match_8787 || enter_match_55 @
identifier mode_match.enter;
@@
-enter(...) {...}
@ exit_match_aa @
identifier mode_match.exit, dev;
@@
exit(...)
{
outb(0xaa, dev->path.pnp.port);
}
@ depends on exit_match_aa @
identifier mode_match.exit, mode_match.ops;
@@
struct pnp_mode_ops ops = {
- .exit_conf_mode = exit,
+ .exit_conf_mode = pnp_exit_conf_mode_aa,
};
@ depends on exit_match_aa @
identifier mode_match.exit;
@@
-exit(...) {...}
@ depends on enter_match_8787 || enter_match_55 || exit_match_aa @
@@
#include <device/pnp.h>
+#include <superio/conf_mode.h>
@ mode_match_55_aa @
identifier ops;
@@
struct pnp_mode_ops ops = {
.enter_conf_mode = pnp_enter_conf_mode_55,
.exit_conf_mode = pnp_exit_conf_mode_aa,
};
@@
identifier mode_match_55_aa.ops;
@@
-struct pnp_mode_ops ops = {...};
@@
identifier mode_match_55_aa.ops, devops;
@@
struct device_operations devops = {
- .ops_pnp_mode = &ops,
+ .ops_pnp_mode = &pnp_conf_mode_55_aa,
};
@ mode_match_8787_aa @
identifier ops;
@@
struct pnp_mode_ops ops = {
.enter_conf_mode = pnp_enter_conf_mode_8787,
.exit_conf_mode = pnp_exit_conf_mode_aa,
};
@@
identifier mode_match_8787_aa.ops;
@@
-struct pnp_mode_ops ops = {...};
@@
identifier mode_match_8787_aa.ops, devops;
@@
struct device_operations devops = {
- .ops_pnp_mode = &ops,
+ .ops_pnp_mode = &pnp_conf_mode_8787_aa,
};
Change-Id: I1480336b54523cc95210d99cf31c1a0b3a14b464
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: http://review.coreboot.org/3484
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/superio/winbond/w83627ehg/superio.c b/src/superio/winbond/w83627ehg/superio.c
index 631105b..6f2c9de 100644
--- a/src/superio/winbond/w83627ehg/superio.c
+++ b/src/superio/winbond/w83627ehg/superio.c
@@ -24,6 +24,7 @@
#include <arch/io.h>
#include <device/device.h>
#include <device/pnp.h>
+#include <superio/conf_mode.h>
#include <console/console.h>
#include <string.h>
#include <uart8250.h>
@@ -33,17 +34,6 @@
#include "chip.h"
#include "w83627ehg.h"
-static void pnp_enter_ext_func_mode(device_t dev)
-{
- outb(0x87, dev->path.pnp.port);
- outb(0x87, dev->path.pnp.port);
-}
-
-static void pnp_exit_ext_func_mode(device_t dev)
-{
- outb(0xaa, dev->path.pnp.port);
-}
-
static void pnp_write_index(u16 port, u8 reg, u8 value)
{
outb(reg, port);
@@ -141,18 +131,13 @@
pnp_exit_conf_mode(dev);
}
-static const struct pnp_mode_ops pnp_conf_mode_ops = {
- .enter_conf_mode = pnp_enter_ext_func_mode,
- .exit_conf_mode = pnp_exit_ext_func_mode,
-};
-
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = pnp_set_resources,
.enable_resources = w83627ehg_pnp_enable_resources,
.enable = pnp_alt_enable,
.init = w83627ehg_init,
- .ops_pnp_mode = &pnp_conf_mode_ops,
+ .ops_pnp_mode = &pnp_conf_mode_8787_aa,
};
static struct pnp_info pnp_dev_info[] = {