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setting up AGP module use (not finished)

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8379 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
2004-07-12 12:25:41 +00:00
parent 36ca3a48b2
commit 663294ccbb
6 changed files with 131 additions and 88 deletions
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src/add-ons/kernel/drivers/graphics/nvidia/driver.c
+32 -2
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@@ -14,6 +14,7 @@
#include <driver_settings.h>
#include <malloc.h>
#include <stdlib.h> // for strtoXX
#include "AGP.h"
/* this is for the standardized portion of the driver API */
/* currently only one operation is defined: B_GET_ACCELERANT_SIGNATURE */
@@ -77,7 +78,8 @@ static void probe_devices(void);
static int32 nv_interrupt(void *data);
static DeviceData *pd;
static pci_module_info *pci_bus;
static pci_module_info *pci_bus = NULL;
static agp_module_info *agp_bus = NULL;
static device_hooks graphics_device_hooks = {
open_hook,
close_hook,
@@ -403,6 +405,9 @@ init_driver(void) {
if (get_module(B_PCI_MODULE_NAME, (module_info **)&pci_bus) != B_OK)
return B_ERROR;
/* get a handle for the agp bus if it exists */
get_module(B_AGP_MODULE_NAME, (module_info **)&agp_bus);
/* driver private data */
pd = (DeviceData *)calloc(1, sizeof(DeviceData));
if (!pd) {
@@ -443,6 +448,9 @@ void uninit_driver(void) {
/* put the pci module away */
put_module(B_PCI_MODULE_NAME);
/* put the agp module away if it's there */
if (agp_bus) put_module(B_AGP_MODULE_NAME);
}
static status_t map_device(device_info *di)
@@ -978,7 +986,29 @@ control_hook (void* dev, uint32 msg, void *buf, size_t len) {
result = B_OK;
}
} break;
case NV_GET_NTH_AGP_INFO: {
nv_nth_agp_info *nai = (nv_nth_agp_info *)buf;
if (nai->magic == NV_PRIVATE_DATA_MAGIC) {
nai->exist = false;
if (agp_bus) {
if ((*agp_bus->get_nth_agp_info)(nai->index, &(nai->agpi)) == B_NO_ERROR) {
nai->exist = true;
}
}
result = B_OK;
}
} break;
case NV_ENABLE_AGP: {
nv_cmd_agp *nca = (nv_cmd_agp *)buf;
if (nca->magic == NV_PRIVATE_DATA_MAGIC) {
if (agp_bus) {
(*agp_bus->enable_agp)(&(nca->cmd));
} else {
nca->cmd = 0;
}
result = B_OK;
}
} break;
}
return result;
}