ACPI: ibm-acpi: make ibm-acpi bay support optional

Make ibm-acpi bay support optional at kernel compile time.
Signed-off-by: NHenrique de Moraes Holschuh <hmh@hmh.eng.br>
上级 adb00581
......@@ -242,6 +242,17 @@ config ACPI_IBM_DOCK
If you are not sure, say N here.
config ACPI_IBM_BAY
bool "Legacy Removable Bay Support"
depends on ACPI_IBM
default y
---help---
Allows the ibm_acpi driver to handle removable bays. It will allow
disabling the device in the bay, and also generate notifications when
the bay lever is ejected or inserted.
If you are not sure, say Y here.
config ACPI_TOSHIBA
tristate "Toshiba Laptop Extras"
depends on X86
......
......@@ -157,6 +157,7 @@ IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */
"\\_SB.PCI.ISA.SLCE", /* 570 */
); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */
#endif
#ifdef CONFIG_ACPI_IBM_BAY
IBM_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST", /* 570 */
"\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */
"\\_SB.PCI0.SATA.SCND.MSTR", /* T60, X60, Z60 */
......@@ -174,6 +175,7 @@ IBM_HANDLE(bay2, root, "\\_SB.PCI0.IDE0.PRIM.SLAV", /* A3x, R32 */
IBM_HANDLE(bay2_ej, bay2, "_EJ3", /* 600e/x, 770e, A3x */
"_EJ0", /* 770x */
); /* all others */
#endif /* CONFIG_ACPI_IBM_BAY */
/* don't list other alternatives as we install a notify handler on the 570 */
IBM_HANDLE(pci, root, "\\_SB.PCI"); /* 570 */
......@@ -1044,6 +1046,7 @@ static int light_write(char *buf)
return 0;
}
#if defined(CONFIG_ACPI_IBM_DOCK) || defined(CONFIG_ACPI_IBM_BAY)
static int _sta(acpi_handle handle)
{
int status;
......@@ -1053,6 +1056,7 @@ static int _sta(acpi_handle handle)
return status;
}
#endif
#ifdef CONFIG_ACPI_IBM_DOCK
#define dock_docked() (_sta(dock_handle) & 1)
......@@ -1119,6 +1123,7 @@ static void dock_notify(struct ibm_struct *ibm, u32 event)
}
#endif
#ifdef CONFIG_ACPI_IBM_BAY
static int bay_status_supported;
static int bay_status2_supported;
static int bay_eject_supported;
......@@ -1194,6 +1199,7 @@ static void bay_notify(struct ibm_struct *ibm, u32 event)
{
acpi_bus_generate_event(ibm->device, event, 0);
}
#endif /* CONFIG_ACPI_IBM_BAY */
static int cmos_read(char *p)
{
......@@ -2361,6 +2367,7 @@ static struct ibm_struct ibms[] = {
.type = ACPI_SYSTEM_NOTIFY,
},
#endif
#ifdef CONFIG_ACPI_IBM_BAY
{
.name = "bay",
.init = bay_init,
......@@ -2370,6 +2377,7 @@ static struct ibm_struct ibms[] = {
.handle = &bay_handle,
.type = ACPI_SYSTEM_NOTIFY,
},
#endif /* CONFIG_ACPI_IBM_BAY */
{
.name = "cmos",
.read = cmos_read,
......@@ -2655,7 +2663,9 @@ IBM_PARAM(light);
#ifdef CONFIG_ACPI_IBM_DOCK
IBM_PARAM(dock);
#endif
#ifdef CONFIG_ACPI_IBM_BAY
IBM_PARAM(bay);
#endif /* CONFIG_ACPI_IBM_BAY */
IBM_PARAM(cmos);
IBM_PARAM(led);
IBM_PARAM(beep);
......@@ -2731,12 +2741,14 @@ static int __init acpi_ibm_init(void)
IBM_HANDLE_INIT(dock);
#endif
IBM_HANDLE_INIT(pci);
#ifdef CONFIG_ACPI_IBM_BAY
IBM_HANDLE_INIT(bay);
if (bay_handle)
IBM_HANDLE_INIT(bay_ej);
IBM_HANDLE_INIT(bay2);
if (bay2_handle)
IBM_HANDLE_INIT(bay2_ej);
#endif /* CONFIG_ACPI_IBM_BAY */
IBM_HANDLE_INIT(beep);
IBM_HANDLE_INIT(ecrd);
IBM_HANDLE_INIT(ecwr);
......
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