removed nv_agp.c

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25877 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
2008-06-09 15:25:03 +00:00
parent 9c6e0a8061
commit 179645d635
@@ -1,222 +0,0 @@
/* Author:
Rudolf Cornelissen 6/2004-4/2006
*/
#define MODULE_BIT 0x00000100
#include <unistd.h>
#include "nv_std.h"
static void nv_agp_list_info(agp_info ai);
static void nv_agp_list_active(uint32 cmd);
status_t
nv_agp_setup(bool enable_agp)
{
nv_nth_agp_info nai;
nv_cmd_agp nca;
uint8 index;
agp_info nv_ai;
bool agp = false;
/* preset we are running in PCI mode: so acc engine may not use AGP transfers */
si->engine.agp_mode = false;
/* first try to enable FW support on our card if user requested this
* ('unsupported' tweak!)
* This has no effect on PCI cards. */
if (si->settings.unhide_fw) {
uint32 reg;
LOG(4, ("AGP: STRAPINFO2 contains $%08x\n", NV_REG32(NV32_NVSTRAPINFO2)));
LOG(4, ("AGP: attempting to enable fastwrite support..\n"));
/* 'force' FW support */
reg = (NV_REG32(NV32_NVSTRAPINFO2) & ~0x00000800);
/* enable strapinfo overwrite */
NV_REG32(NV32_NVSTRAPINFO2) = (reg | 0x80000000);
LOG(4, ("AGP: STRAPINFO2 now contains $%08x\n", NV_REG32(NV32_NVSTRAPINFO2)));
}
/* set the magic number so the nvidia kerneldriver knows we're for real */
nca.magic = nai.magic = NV_PRIVATE_DATA_MAGIC;
/* contact driver and get a pointer to the registers and shared data */
for (index = 0; index < 8; index++) {
/* get nth AGP device info */
nai.index = index;
ioctl(fd, NV_GET_NTH_AGP_INFO, &nai, sizeof(nai));
/* abort if no agp busmanager found */
if (!nai.agp_bus) {
LOG(4,("AGP: no AGP busmanager found.\n"));
/* don't touch AGP command register, we don't know what has been setup:
* touching it anyway might 'hang' the graphics card! */
return B_ERROR;
}
/* exit if we didn't get device info for this index */
if (!nai.exist) {
if (index != 0)
LOG(4,("AGP: end of AGP capable devices list.\n"));
else
LOG(4,("AGP: no AGP capable devices found.\n"));
break;
}
LOG(4,("AGP: AGP capable device #%d:\n", (index + 1)));
/* see if we are this one */
if (nai.agpi.device_id == si->device_id
&& nai.agpi.vendor_id == si->vendor_id
&& nai.agpi.bus == si->bus
&& nai.agpi.device == si->device
&& nai.agpi.function == si->function) {
LOG(4,("AGP: (this is the device this accelerant controls)\n"));
agp = true;
/* remember our info */
nv_ai = nai.agpi;
}
/* log capabilities */
nv_agp_list_info(nai.agpi);
}
/* if our card is not an AGP type, abort here */
/* Note:
* We have to iterate through the capability list as specified in the PCI spec
* one way or the other, otherwise we cannot distinquish between nVidia PCI and
* AGP type cards as nVidia PCI cards still have AGP registers that pretend to
* support AGP.
* We rely on the AGP busmanager to iterate trough this list for us. */
if (!agp) {
LOG(4,("AGP: the graphicscard this accelerant controls is PCI type.\n"));
/* make sure card is set for PCI access */
CFGW(AGPCMD, 0x00000000);
return B_ERROR;
}
if (si->settings.force_pci || !enable_agp) {
/* set PCI mode if specified by user in nv.settings */
if (enable_agp)
LOG(4,("AGP: forcing PCI mode (specified in nv.settings)\n"));
else
LOG(4,("AGP: forcing PCI mode during coldstart (required)\n"));
/* let the AGP busmanager setup PCI mode.
* (the AGP speed scheme is of no consequence now) */
nca.cmd = 0x00000000;
ioctl(fd, NV_ENABLE_AGP, &nca, sizeof(nca));
} else {
/* activate AGP mode */
LOG(4,("AGP: activating AGP mode...\n"));
/* let the AGP busmanager worry about what mode to set.. */
nca.cmd = 0xfffffff7;
/* ..but we do need to select the right speed scheme fetched from our card */
if (nv_ai.interface.status & AGP_3_MODE)
nca.cmd |= AGP_3_MODE;
ioctl(fd, NV_ENABLE_AGP, &nca, sizeof(nca));
/* tell the engine in may use AGP transfers if AGP is up and running */
if (nca.cmd & AGP_ENABLE)
si->engine.agp_mode = true;
}
/* list mode now activated,
* make sure we have the correct speed scheme for logging */
nv_agp_list_active(nca.cmd | (nv_ai.interface.status & AGP_3_MODE));
/* extra check */
LOG(4,("AGP: graphics card AGPCMD register readback $%08x\n", CFGR(AGPCMD)));
return B_OK;
}
static void
nv_agp_list_info(agp_info ai)
{
/*
list device
*/
if (ai.class_base == PCI_display)
LOG(4,("AGP: device is a graphicscard, subclass ID is $%02x\n", ai.class_sub));
else
LOG(4,("AGP: device is a hostbridge, subclass ID is $%02x\n", ai.class_sub));
LOG(4,("AGP: vendor ID $%04x\n", ai.vendor_id));
LOG(4,("AGP: device ID $%04x\n", ai.device_id));
LOG(4,("AGP: bus %d, device %d, function %d\n", ai.bus, ai.device, ai.function));
/*
list capabilities
*/
LOG(4,("AGP: this device supports AGP specification %d.%d;\n",
((ai.interface.capability_id & AGP_REV_MAJOR) >> AGP_REV_MAJOR_SHIFT),
((ai.interface.capability_id & AGP_REV_MINOR) >> AGP_REV_MINOR_SHIFT)));
/* the AGP devices determine AGP speed scheme version used on power-up/reset */
if (!(ai.interface.status & AGP_3_MODE)) {
/* AGP 2.0 scheme applies */
if (ai.interface.status & AGP_2_1x)
LOG(4,("AGP: AGP 2.0 1x mode is available\n"));
if (ai.interface.status & AGP_2_2x)
LOG(4,("AGP: AGP 2.0 2x mode is available\n"));
if (ai.interface.status & AGP_2_4x)
LOG(4,("AGP: AGP 2.0 4x mode is available\n"));
} else {
/* AGP 3.0 scheme applies */
if (ai.interface.status & AGP_3_4x)
LOG(4,("AGP: AGP 3.0 4x mode is available\n"));
if (ai.interface.status & AGP_3_8x)
LOG(4,("AGP: AGP 3.0 8x mode is available\n"));
}
if (ai.interface.status & AGP_FAST_WRITE)
LOG(4,("AGP: fastwrite transfers are supported\n"));
if (ai.interface.status & AGP_SBA)
LOG(4,("AGP: sideband adressing is supported\n"));
LOG(4,("AGP: %d queued AGP requests can be handled.\n",
(((ai.interface.status & AGP_REQUEST) >> AGP_REQUEST_SHIFT) + 1)));
/*
list current settings,
make sure we have the correct speed scheme for logging
*/
nv_agp_list_active(ai.interface.command
| (ai.interface.status & AGP_3_MODE));
}
static void
nv_agp_list_active(uint32 cmd)
{
LOG(4,("AGP: listing settings now in use:\n"));
if (!(cmd & AGP_3_MODE)) {
/* AGP 2.0 scheme applies */
if (cmd & AGP_2_1x)
LOG(4,("AGP: AGP 2.0 1x mode is set\n"));
if (cmd & AGP_2_2x)
LOG(4,("AGP: AGP 2.0 2x mode is set\n"));
if (cmd & AGP_2_4x)
LOG(4,("AGP: AGP 2.0 4x mode is set\n"));
} else {
/* AGP 3.0 scheme applies */
if (cmd & AGP_3_4x)
LOG(4,("AGP: AGP 3.0 4x mode is set\n"));
if (cmd & AGP_3_8x)
LOG(4,("AGP: AGP 3.0 8x mode is set\n"));
}
if (cmd & AGP_FAST_WRITE)
LOG(4,("AGP: fastwrite transfers are enabled\n"));
if (cmd & AGP_SBA)
LOG(4,("AGP: sideband adressing is enabled\n"));
LOG(4,("AGP: max. AGP queued request depth is set to %d\n",
(((cmd & AGP_REQUEST) >> AGP_REQUEST_SHIFT) + 1)));
if (cmd & AGP_ENABLE)
LOG(4,("AGP: the AGP interface is enabled.\n"));
else
LOG(4,("AGP: the AGP interface is disabled.\n"));
}