925 lines
28 KiB
C
925 lines
28 KiB
C
/*
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* Intel AGPGART routines.
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*/
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/slab.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/pagemap.h>
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#include <linux/agp_backend.h>
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#include <asm/smp.h>
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#include "agp.h"
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#include "intel-agp.h"
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#include <drm/intel-gtt.h>
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static int intel_fetch_size(void)
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{
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int i;
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u16 temp;
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struct aper_size_info_16 *values;
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pci_read_config_word(agp_bridge->dev, INTEL_APSIZE, &temp);
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values = A_SIZE_16(agp_bridge->driver->aperture_sizes);
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for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) {
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if (temp == values[i].size_value) {
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agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + i);
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agp_bridge->aperture_size_idx = i;
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return values[i].size;
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}
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}
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return 0;
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}
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static int __intel_8xx_fetch_size(u8 temp)
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{
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int i;
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struct aper_size_info_8 *values;
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values = A_SIZE_8(agp_bridge->driver->aperture_sizes);
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for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) {
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if (temp == values[i].size_value) {
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agp_bridge->previous_size =
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agp_bridge->current_size = (void *) (values + i);
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agp_bridge->aperture_size_idx = i;
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return values[i].size;
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}
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}
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return 0;
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}
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static int intel_8xx_fetch_size(void)
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{
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u8 temp;
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pci_read_config_byte(agp_bridge->dev, INTEL_APSIZE, &temp);
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return __intel_8xx_fetch_size(temp);
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}
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static int intel_815_fetch_size(void)
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{
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u8 temp;
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/* Intel 815 chipsets have a _weird_ APSIZE register with only
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* one non-reserved bit, so mask the others out ... */
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pci_read_config_byte(agp_bridge->dev, INTEL_APSIZE, &temp);
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temp &= (1 << 3);
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return __intel_8xx_fetch_size(temp);
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}
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static void intel_tlbflush(struct agp_memory *mem)
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{
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2200);
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2280);
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}
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static void intel_8xx_tlbflush(struct agp_memory *mem)
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{
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u32 temp;
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pci_read_config_dword(agp_bridge->dev, INTEL_AGPCTRL, &temp);
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, temp & ~(1 << 7));
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pci_read_config_dword(agp_bridge->dev, INTEL_AGPCTRL, &temp);
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, temp | (1 << 7));
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}
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static void intel_cleanup(void)
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{
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u16 temp;
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struct aper_size_info_16 *previous_size;
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previous_size = A_SIZE_16(agp_bridge->previous_size);
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pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp);
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pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp & ~(1 << 9));
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pci_write_config_word(agp_bridge->dev, INTEL_APSIZE, previous_size->size_value);
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}
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static void intel_8xx_cleanup(void)
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{
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u16 temp;
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struct aper_size_info_8 *previous_size;
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previous_size = A_SIZE_8(agp_bridge->previous_size);
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pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp);
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pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp & ~(1 << 9));
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pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, previous_size->size_value);
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}
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static int intel_configure(void)
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{
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u16 temp2;
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struct aper_size_info_16 *current_size;
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current_size = A_SIZE_16(agp_bridge->current_size);
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/* aperture size */
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pci_write_config_word(agp_bridge->dev, INTEL_APSIZE, current_size->size_value);
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/* address to map to */
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agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev,
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AGP_APERTURE_BAR);
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/* attbase - aperture base */
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pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr);
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/* agpctrl */
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2280);
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/* paccfg/nbxcfg */
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pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp2);
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pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG,
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(temp2 & ~(1 << 10)) | (1 << 9));
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/* clear any possible error conditions */
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pci_write_config_byte(agp_bridge->dev, INTEL_ERRSTS + 1, 7);
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return 0;
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}
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static int intel_815_configure(void)
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{
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u32 addr;
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u8 temp2;
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struct aper_size_info_8 *current_size;
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/* attbase - aperture base */
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/* the Intel 815 chipset spec. says that bits 29-31 in the
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* ATTBASE register are reserved -> try not to write them */
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if (agp_bridge->gatt_bus_addr & INTEL_815_ATTBASE_MASK) {
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dev_emerg(&agp_bridge->dev->dev, "gatt bus addr too high");
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return -EINVAL;
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}
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current_size = A_SIZE_8(agp_bridge->current_size);
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/* aperture size */
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pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE,
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current_size->size_value);
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/* address to map to */
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agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev,
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AGP_APERTURE_BAR);
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pci_read_config_dword(agp_bridge->dev, INTEL_ATTBASE, &addr);
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addr &= INTEL_815_ATTBASE_MASK;
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addr |= agp_bridge->gatt_bus_addr;
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pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, addr);
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/* agpctrl */
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000);
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/* apcont */
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pci_read_config_byte(agp_bridge->dev, INTEL_815_APCONT, &temp2);
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pci_write_config_byte(agp_bridge->dev, INTEL_815_APCONT, temp2 | (1 << 1));
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/* clear any possible error conditions */
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/* Oddness : this chipset seems to have no ERRSTS register ! */
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return 0;
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}
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static void intel_820_tlbflush(struct agp_memory *mem)
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{
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return;
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}
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static void intel_820_cleanup(void)
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{
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u8 temp;
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struct aper_size_info_8 *previous_size;
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previous_size = A_SIZE_8(agp_bridge->previous_size);
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pci_read_config_byte(agp_bridge->dev, INTEL_I820_RDCR, &temp);
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pci_write_config_byte(agp_bridge->dev, INTEL_I820_RDCR,
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temp & ~(1 << 1));
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pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE,
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previous_size->size_value);
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}
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static int intel_820_configure(void)
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{
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u8 temp2;
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struct aper_size_info_8 *current_size;
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current_size = A_SIZE_8(agp_bridge->current_size);
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/* aperture size */
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pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value);
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/* address to map to */
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agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev,
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AGP_APERTURE_BAR);
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/* attbase - aperture base */
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pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr);
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/* agpctrl */
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000);
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/* global enable aperture access */
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/* This flag is not accessed through MCHCFG register as in */
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/* i850 chipset. */
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pci_read_config_byte(agp_bridge->dev, INTEL_I820_RDCR, &temp2);
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pci_write_config_byte(agp_bridge->dev, INTEL_I820_RDCR, temp2 | (1 << 1));
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/* clear any possible AGP-related error conditions */
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pci_write_config_word(agp_bridge->dev, INTEL_I820_ERRSTS, 0x001c);
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return 0;
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}
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static int intel_840_configure(void)
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{
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u16 temp2;
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struct aper_size_info_8 *current_size;
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current_size = A_SIZE_8(agp_bridge->current_size);
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/* aperture size */
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pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value);
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/* address to map to */
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agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev,
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AGP_APERTURE_BAR);
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/* attbase - aperture base */
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pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr);
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/* agpctrl */
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000);
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/* mcgcfg */
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pci_read_config_word(agp_bridge->dev, INTEL_I840_MCHCFG, &temp2);
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pci_write_config_word(agp_bridge->dev, INTEL_I840_MCHCFG, temp2 | (1 << 9));
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/* clear any possible error conditions */
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pci_write_config_word(agp_bridge->dev, INTEL_I840_ERRSTS, 0xc000);
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return 0;
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}
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static int intel_845_configure(void)
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{
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u8 temp2;
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struct aper_size_info_8 *current_size;
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current_size = A_SIZE_8(agp_bridge->current_size);
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/* aperture size */
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pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value);
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if (agp_bridge->apbase_config != 0) {
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pci_write_config_dword(agp_bridge->dev, AGP_APBASE,
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agp_bridge->apbase_config);
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} else {
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/* address to map to */
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agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev,
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AGP_APERTURE_BAR);
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agp_bridge->apbase_config = agp_bridge->gart_bus_addr;
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}
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/* attbase - aperture base */
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pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr);
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/* agpctrl */
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000);
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/* agpm */
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pci_read_config_byte(agp_bridge->dev, INTEL_I845_AGPM, &temp2);
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pci_write_config_byte(agp_bridge->dev, INTEL_I845_AGPM, temp2 | (1 << 1));
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/* clear any possible error conditions */
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pci_write_config_word(agp_bridge->dev, INTEL_I845_ERRSTS, 0x001c);
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return 0;
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}
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static int intel_850_configure(void)
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{
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u16 temp2;
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struct aper_size_info_8 *current_size;
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current_size = A_SIZE_8(agp_bridge->current_size);
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/* aperture size */
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pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value);
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/* address to map to */
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agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev,
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AGP_APERTURE_BAR);
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/* attbase - aperture base */
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pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr);
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/* agpctrl */
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000);
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/* mcgcfg */
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pci_read_config_word(agp_bridge->dev, INTEL_I850_MCHCFG, &temp2);
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pci_write_config_word(agp_bridge->dev, INTEL_I850_MCHCFG, temp2 | (1 << 9));
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/* clear any possible AGP-related error conditions */
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pci_write_config_word(agp_bridge->dev, INTEL_I850_ERRSTS, 0x001c);
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return 0;
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}
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static int intel_860_configure(void)
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{
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u16 temp2;
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struct aper_size_info_8 *current_size;
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current_size = A_SIZE_8(agp_bridge->current_size);
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/* aperture size */
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pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value);
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/* address to map to */
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agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev,
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AGP_APERTURE_BAR);
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/* attbase - aperture base */
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pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr);
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/* agpctrl */
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000);
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/* mcgcfg */
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pci_read_config_word(agp_bridge->dev, INTEL_I860_MCHCFG, &temp2);
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pci_write_config_word(agp_bridge->dev, INTEL_I860_MCHCFG, temp2 | (1 << 9));
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/* clear any possible AGP-related error conditions */
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pci_write_config_word(agp_bridge->dev, INTEL_I860_ERRSTS, 0xf700);
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return 0;
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}
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static int intel_830mp_configure(void)
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{
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u16 temp2;
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struct aper_size_info_8 *current_size;
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current_size = A_SIZE_8(agp_bridge->current_size);
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/* aperture size */
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pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value);
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/* address to map to */
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agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev,
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AGP_APERTURE_BAR);
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/* attbase - aperture base */
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pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr);
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/* agpctrl */
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000);
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/* gmch */
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pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp2);
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pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp2 | (1 << 9));
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/* clear any possible AGP-related error conditions */
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pci_write_config_word(agp_bridge->dev, INTEL_I830_ERRSTS, 0x1c);
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return 0;
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}
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static int intel_7505_configure(void)
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{
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u16 temp2;
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struct aper_size_info_8 *current_size;
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current_size = A_SIZE_8(agp_bridge->current_size);
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/* aperture size */
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pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value);
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/* address to map to */
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agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev,
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AGP_APERTURE_BAR);
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/* attbase - aperture base */
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pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr);
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/* agpctrl */
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pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000);
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/* mchcfg */
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pci_read_config_word(agp_bridge->dev, INTEL_I7505_MCHCFG, &temp2);
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pci_write_config_word(agp_bridge->dev, INTEL_I7505_MCHCFG, temp2 | (1 << 9));
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return 0;
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}
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/* Setup function */
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static const struct gatt_mask intel_generic_masks[] =
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{
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{.mask = 0x00000017, .type = 0}
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};
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static const struct aper_size_info_8 intel_815_sizes[2] =
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{
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{64, 16384, 4, 0},
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{32, 8192, 3, 8},
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};
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static const struct aper_size_info_8 intel_8xx_sizes[7] =
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{
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{256, 65536, 6, 0},
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{128, 32768, 5, 32},
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{64, 16384, 4, 48},
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{32, 8192, 3, 56},
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{16, 4096, 2, 60},
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{8, 2048, 1, 62},
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{4, 1024, 0, 63}
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};
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static const struct aper_size_info_16 intel_generic_sizes[7] =
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{
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{256, 65536, 6, 0},
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{128, 32768, 5, 32},
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{64, 16384, 4, 48},
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{32, 8192, 3, 56},
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{16, 4096, 2, 60},
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{8, 2048, 1, 62},
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{4, 1024, 0, 63}
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};
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static const struct aper_size_info_8 intel_830mp_sizes[4] =
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{
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{256, 65536, 6, 0},
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{128, 32768, 5, 32},
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{64, 16384, 4, 48},
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{32, 8192, 3, 56}
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};
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static const struct agp_bridge_driver intel_generic_driver = {
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.owner = THIS_MODULE,
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.aperture_sizes = intel_generic_sizes,
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.size_type = U16_APER_SIZE,
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.num_aperture_sizes = 7,
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.needs_scratch_page = true,
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.configure = intel_configure,
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.fetch_size = intel_fetch_size,
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.cleanup = intel_cleanup,
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.tlb_flush = intel_tlbflush,
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.mask_memory = agp_generic_mask_memory,
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.masks = intel_generic_masks,
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.agp_enable = agp_generic_enable,
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.cache_flush = global_cache_flush,
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.create_gatt_table = agp_generic_create_gatt_table,
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.free_gatt_table = agp_generic_free_gatt_table,
|
|
.insert_memory = agp_generic_insert_memory,
|
|
.remove_memory = agp_generic_remove_memory,
|
|
.alloc_by_type = agp_generic_alloc_by_type,
|
|
.free_by_type = agp_generic_free_by_type,
|
|
.agp_alloc_page = agp_generic_alloc_page,
|
|
.agp_alloc_pages = agp_generic_alloc_pages,
|
|
.agp_destroy_page = agp_generic_destroy_page,
|
|
.agp_destroy_pages = agp_generic_destroy_pages,
|
|
.agp_type_to_mask_type = agp_generic_type_to_mask_type,
|
|
};
|
|
|
|
static const struct agp_bridge_driver intel_815_driver = {
|
|
.owner = THIS_MODULE,
|
|
.aperture_sizes = intel_815_sizes,
|
|
.size_type = U8_APER_SIZE,
|
|
.num_aperture_sizes = 2,
|
|
.needs_scratch_page = true,
|
|
.configure = intel_815_configure,
|
|
.fetch_size = intel_815_fetch_size,
|
|
.cleanup = intel_8xx_cleanup,
|
|
.tlb_flush = intel_8xx_tlbflush,
|
|
.mask_memory = agp_generic_mask_memory,
|
|
.masks = intel_generic_masks,
|
|
.agp_enable = agp_generic_enable,
|
|
.cache_flush = global_cache_flush,
|
|
.create_gatt_table = agp_generic_create_gatt_table,
|
|
.free_gatt_table = agp_generic_free_gatt_table,
|
|
.insert_memory = agp_generic_insert_memory,
|
|
.remove_memory = agp_generic_remove_memory,
|
|
.alloc_by_type = agp_generic_alloc_by_type,
|
|
.free_by_type = agp_generic_free_by_type,
|
|
.agp_alloc_page = agp_generic_alloc_page,
|
|
.agp_alloc_pages = agp_generic_alloc_pages,
|
|
.agp_destroy_page = agp_generic_destroy_page,
|
|
.agp_destroy_pages = agp_generic_destroy_pages,
|
|
.agp_type_to_mask_type = agp_generic_type_to_mask_type,
|
|
};
|
|
|
|
static const struct agp_bridge_driver intel_820_driver = {
|
|
.owner = THIS_MODULE,
|
|
.aperture_sizes = intel_8xx_sizes,
|
|
.size_type = U8_APER_SIZE,
|
|
.num_aperture_sizes = 7,
|
|
.needs_scratch_page = true,
|
|
.configure = intel_820_configure,
|
|
.fetch_size = intel_8xx_fetch_size,
|
|
.cleanup = intel_820_cleanup,
|
|
.tlb_flush = intel_820_tlbflush,
|
|
.mask_memory = agp_generic_mask_memory,
|
|
.masks = intel_generic_masks,
|
|
.agp_enable = agp_generic_enable,
|
|
.cache_flush = global_cache_flush,
|
|
.create_gatt_table = agp_generic_create_gatt_table,
|
|
.free_gatt_table = agp_generic_free_gatt_table,
|
|
.insert_memory = agp_generic_insert_memory,
|
|
.remove_memory = agp_generic_remove_memory,
|
|
.alloc_by_type = agp_generic_alloc_by_type,
|
|
.free_by_type = agp_generic_free_by_type,
|
|
.agp_alloc_page = agp_generic_alloc_page,
|
|
.agp_alloc_pages = agp_generic_alloc_pages,
|
|
.agp_destroy_page = agp_generic_destroy_page,
|
|
.agp_destroy_pages = agp_generic_destroy_pages,
|
|
.agp_type_to_mask_type = agp_generic_type_to_mask_type,
|
|
};
|
|
|
|
static const struct agp_bridge_driver intel_830mp_driver = {
|
|
.owner = THIS_MODULE,
|
|
.aperture_sizes = intel_830mp_sizes,
|
|
.size_type = U8_APER_SIZE,
|
|
.num_aperture_sizes = 4,
|
|
.needs_scratch_page = true,
|
|
.configure = intel_830mp_configure,
|
|
.fetch_size = intel_8xx_fetch_size,
|
|
.cleanup = intel_8xx_cleanup,
|
|
.tlb_flush = intel_8xx_tlbflush,
|
|
.mask_memory = agp_generic_mask_memory,
|
|
.masks = intel_generic_masks,
|
|
.agp_enable = agp_generic_enable,
|
|
.cache_flush = global_cache_flush,
|
|
.create_gatt_table = agp_generic_create_gatt_table,
|
|
.free_gatt_table = agp_generic_free_gatt_table,
|
|
.insert_memory = agp_generic_insert_memory,
|
|
.remove_memory = agp_generic_remove_memory,
|
|
.alloc_by_type = agp_generic_alloc_by_type,
|
|
.free_by_type = agp_generic_free_by_type,
|
|
.agp_alloc_page = agp_generic_alloc_page,
|
|
.agp_alloc_pages = agp_generic_alloc_pages,
|
|
.agp_destroy_page = agp_generic_destroy_page,
|
|
.agp_destroy_pages = agp_generic_destroy_pages,
|
|
.agp_type_to_mask_type = agp_generic_type_to_mask_type,
|
|
};
|
|
|
|
static const struct agp_bridge_driver intel_840_driver = {
|
|
.owner = THIS_MODULE,
|
|
.aperture_sizes = intel_8xx_sizes,
|
|
.size_type = U8_APER_SIZE,
|
|
.num_aperture_sizes = 7,
|
|
.needs_scratch_page = true,
|
|
.configure = intel_840_configure,
|
|
.fetch_size = intel_8xx_fetch_size,
|
|
.cleanup = intel_8xx_cleanup,
|
|
.tlb_flush = intel_8xx_tlbflush,
|
|
.mask_memory = agp_generic_mask_memory,
|
|
.masks = intel_generic_masks,
|
|
.agp_enable = agp_generic_enable,
|
|
.cache_flush = global_cache_flush,
|
|
.create_gatt_table = agp_generic_create_gatt_table,
|
|
.free_gatt_table = agp_generic_free_gatt_table,
|
|
.insert_memory = agp_generic_insert_memory,
|
|
.remove_memory = agp_generic_remove_memory,
|
|
.alloc_by_type = agp_generic_alloc_by_type,
|
|
.free_by_type = agp_generic_free_by_type,
|
|
.agp_alloc_page = agp_generic_alloc_page,
|
|
.agp_alloc_pages = agp_generic_alloc_pages,
|
|
.agp_destroy_page = agp_generic_destroy_page,
|
|
.agp_destroy_pages = agp_generic_destroy_pages,
|
|
.agp_type_to_mask_type = agp_generic_type_to_mask_type,
|
|
};
|
|
|
|
static const struct agp_bridge_driver intel_845_driver = {
|
|
.owner = THIS_MODULE,
|
|
.aperture_sizes = intel_8xx_sizes,
|
|
.size_type = U8_APER_SIZE,
|
|
.num_aperture_sizes = 7,
|
|
.needs_scratch_page = true,
|
|
.configure = intel_845_configure,
|
|
.fetch_size = intel_8xx_fetch_size,
|
|
.cleanup = intel_8xx_cleanup,
|
|
.tlb_flush = intel_8xx_tlbflush,
|
|
.mask_memory = agp_generic_mask_memory,
|
|
.masks = intel_generic_masks,
|
|
.agp_enable = agp_generic_enable,
|
|
.cache_flush = global_cache_flush,
|
|
.create_gatt_table = agp_generic_create_gatt_table,
|
|
.free_gatt_table = agp_generic_free_gatt_table,
|
|
.insert_memory = agp_generic_insert_memory,
|
|
.remove_memory = agp_generic_remove_memory,
|
|
.alloc_by_type = agp_generic_alloc_by_type,
|
|
.free_by_type = agp_generic_free_by_type,
|
|
.agp_alloc_page = agp_generic_alloc_page,
|
|
.agp_alloc_pages = agp_generic_alloc_pages,
|
|
.agp_destroy_page = agp_generic_destroy_page,
|
|
.agp_destroy_pages = agp_generic_destroy_pages,
|
|
.agp_type_to_mask_type = agp_generic_type_to_mask_type,
|
|
};
|
|
|
|
static const struct agp_bridge_driver intel_850_driver = {
|
|
.owner = THIS_MODULE,
|
|
.aperture_sizes = intel_8xx_sizes,
|
|
.size_type = U8_APER_SIZE,
|
|
.num_aperture_sizes = 7,
|
|
.needs_scratch_page = true,
|
|
.configure = intel_850_configure,
|
|
.fetch_size = intel_8xx_fetch_size,
|
|
.cleanup = intel_8xx_cleanup,
|
|
.tlb_flush = intel_8xx_tlbflush,
|
|
.mask_memory = agp_generic_mask_memory,
|
|
.masks = intel_generic_masks,
|
|
.agp_enable = agp_generic_enable,
|
|
.cache_flush = global_cache_flush,
|
|
.create_gatt_table = agp_generic_create_gatt_table,
|
|
.free_gatt_table = agp_generic_free_gatt_table,
|
|
.insert_memory = agp_generic_insert_memory,
|
|
.remove_memory = agp_generic_remove_memory,
|
|
.alloc_by_type = agp_generic_alloc_by_type,
|
|
.free_by_type = agp_generic_free_by_type,
|
|
.agp_alloc_page = agp_generic_alloc_page,
|
|
.agp_alloc_pages = agp_generic_alloc_pages,
|
|
.agp_destroy_page = agp_generic_destroy_page,
|
|
.agp_destroy_pages = agp_generic_destroy_pages,
|
|
.agp_type_to_mask_type = agp_generic_type_to_mask_type,
|
|
};
|
|
|
|
static const struct agp_bridge_driver intel_860_driver = {
|
|
.owner = THIS_MODULE,
|
|
.aperture_sizes = intel_8xx_sizes,
|
|
.size_type = U8_APER_SIZE,
|
|
.num_aperture_sizes = 7,
|
|
.needs_scratch_page = true,
|
|
.configure = intel_860_configure,
|
|
.fetch_size = intel_8xx_fetch_size,
|
|
.cleanup = intel_8xx_cleanup,
|
|
.tlb_flush = intel_8xx_tlbflush,
|
|
.mask_memory = agp_generic_mask_memory,
|
|
.masks = intel_generic_masks,
|
|
.agp_enable = agp_generic_enable,
|
|
.cache_flush = global_cache_flush,
|
|
.create_gatt_table = agp_generic_create_gatt_table,
|
|
.free_gatt_table = agp_generic_free_gatt_table,
|
|
.insert_memory = agp_generic_insert_memory,
|
|
.remove_memory = agp_generic_remove_memory,
|
|
.alloc_by_type = agp_generic_alloc_by_type,
|
|
.free_by_type = agp_generic_free_by_type,
|
|
.agp_alloc_page = agp_generic_alloc_page,
|
|
.agp_alloc_pages = agp_generic_alloc_pages,
|
|
.agp_destroy_page = agp_generic_destroy_page,
|
|
.agp_destroy_pages = agp_generic_destroy_pages,
|
|
.agp_type_to_mask_type = agp_generic_type_to_mask_type,
|
|
};
|
|
|
|
static const struct agp_bridge_driver intel_7505_driver = {
|
|
.owner = THIS_MODULE,
|
|
.aperture_sizes = intel_8xx_sizes,
|
|
.size_type = U8_APER_SIZE,
|
|
.num_aperture_sizes = 7,
|
|
.needs_scratch_page = true,
|
|
.configure = intel_7505_configure,
|
|
.fetch_size = intel_8xx_fetch_size,
|
|
.cleanup = intel_8xx_cleanup,
|
|
.tlb_flush = intel_8xx_tlbflush,
|
|
.mask_memory = agp_generic_mask_memory,
|
|
.masks = intel_generic_masks,
|
|
.agp_enable = agp_generic_enable,
|
|
.cache_flush = global_cache_flush,
|
|
.create_gatt_table = agp_generic_create_gatt_table,
|
|
.free_gatt_table = agp_generic_free_gatt_table,
|
|
.insert_memory = agp_generic_insert_memory,
|
|
.remove_memory = agp_generic_remove_memory,
|
|
.alloc_by_type = agp_generic_alloc_by_type,
|
|
.free_by_type = agp_generic_free_by_type,
|
|
.agp_alloc_page = agp_generic_alloc_page,
|
|
.agp_alloc_pages = agp_generic_alloc_pages,
|
|
.agp_destroy_page = agp_generic_destroy_page,
|
|
.agp_destroy_pages = agp_generic_destroy_pages,
|
|
.agp_type_to_mask_type = agp_generic_type_to_mask_type,
|
|
};
|
|
|
|
/* Table to describe Intel GMCH and AGP/PCIE GART drivers. At least one of
|
|
* driver and gmch_driver must be non-null, and find_gmch will determine
|
|
* which one should be used if a gmch_chip_id is present.
|
|
*/
|
|
static const struct intel_agp_driver_description {
|
|
unsigned int chip_id;
|
|
char *name;
|
|
const struct agp_bridge_driver *driver;
|
|
} intel_agp_chipsets[] = {
|
|
{ PCI_DEVICE_ID_INTEL_82443LX_0, "440LX", &intel_generic_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82443BX_0, "440BX", &intel_generic_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82443GX_0, "440GX", &intel_generic_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82815_MC, "i815", &intel_815_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82820_HB, "i820", &intel_820_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82820_UP_HB, "i820", &intel_820_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82830_HB, "830M", &intel_830mp_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82840_HB, "i840", &intel_840_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82845_HB, "i845", &intel_845_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82845G_HB, "845G", &intel_845_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82850_HB, "i850", &intel_850_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82854_HB, "854", &intel_845_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82855PM_HB, "855PM", &intel_845_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82855GM_HB, "855GM", &intel_845_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82860_HB, "i860", &intel_860_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82865_HB, "865", &intel_845_driver },
|
|
{ PCI_DEVICE_ID_INTEL_82875_HB, "i875", &intel_845_driver },
|
|
{ PCI_DEVICE_ID_INTEL_7505_0, "E7505", &intel_7505_driver },
|
|
{ PCI_DEVICE_ID_INTEL_7205_0, "E7205", &intel_7505_driver },
|
|
{ 0, NULL, NULL }
|
|
};
|
|
|
|
static int agp_intel_probe(struct pci_dev *pdev,
|
|
const struct pci_device_id *ent)
|
|
{
|
|
struct agp_bridge_data *bridge;
|
|
u8 cap_ptr = 0;
|
|
struct resource *r;
|
|
int i, err;
|
|
|
|
cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
|
|
|
|
bridge = agp_alloc_bridge();
|
|
if (!bridge)
|
|
return -ENOMEM;
|
|
|
|
bridge->capndx = cap_ptr;
|
|
|
|
if (intel_gmch_probe(pdev, NULL, bridge))
|
|
goto found_gmch;
|
|
|
|
for (i = 0; intel_agp_chipsets[i].name != NULL; i++) {
|
|
/* In case that multiple models of gfx chip may
|
|
stand on same host bridge type, this can be
|
|
sure we detect the right IGD. */
|
|
if (pdev->device == intel_agp_chipsets[i].chip_id) {
|
|
bridge->driver = intel_agp_chipsets[i].driver;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!bridge->driver) {
|
|
if (cap_ptr)
|
|
dev_warn(&pdev->dev, "unsupported Intel chipset [%04x/%04x]\n",
|
|
pdev->vendor, pdev->device);
|
|
agp_put_bridge(bridge);
|
|
return -ENODEV;
|
|
}
|
|
|
|
bridge->dev = pdev;
|
|
bridge->dev_private_data = NULL;
|
|
|
|
dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name);
|
|
|
|
/*
|
|
* The following fixes the case where the BIOS has "forgotten" to
|
|
* provide an address range for the GART.
|
|
* 20030610 - hamish@zot.org
|
|
* This happens before pci_enable_device() intentionally;
|
|
* calling pci_enable_device() before assigning the resource
|
|
* will result in the GART being disabled on machines with such
|
|
* BIOSs (the GART ends up with a BAR starting at 0, which
|
|
* conflicts a lot of other devices).
|
|
*/
|
|
r = &pdev->resource[0];
|
|
if (!r->start && r->end) {
|
|
if (pci_assign_resource(pdev, 0)) {
|
|
dev_err(&pdev->dev, "can't assign resource 0\n");
|
|
agp_put_bridge(bridge);
|
|
return -ENODEV;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If the device has not been properly setup, the following will catch
|
|
* the problem and should stop the system from crashing.
|
|
* 20030610 - hamish@zot.org
|
|
*/
|
|
if (pci_enable_device(pdev)) {
|
|
dev_err(&pdev->dev, "can't enable PCI device\n");
|
|
agp_put_bridge(bridge);
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Fill in the mode register */
|
|
if (cap_ptr) {
|
|
pci_read_config_dword(pdev,
|
|
bridge->capndx+PCI_AGP_STATUS,
|
|
&bridge->mode);
|
|
}
|
|
|
|
found_gmch:
|
|
pci_set_drvdata(pdev, bridge);
|
|
err = agp_add_bridge(bridge);
|
|
return err;
|
|
}
|
|
|
|
static void agp_intel_remove(struct pci_dev *pdev)
|
|
{
|
|
struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
|
|
|
|
agp_remove_bridge(bridge);
|
|
|
|
intel_gmch_remove();
|
|
|
|
agp_put_bridge(bridge);
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int agp_intel_resume(struct pci_dev *pdev)
|
|
{
|
|
struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
|
|
|
|
bridge->driver->configure();
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static struct pci_device_id agp_intel_pci_table[] = {
|
|
#define ID(x) \
|
|
{ \
|
|
.class = (PCI_CLASS_BRIDGE_HOST << 8), \
|
|
.class_mask = ~0, \
|
|
.vendor = PCI_VENDOR_ID_INTEL, \
|
|
.device = x, \
|
|
.subvendor = PCI_ANY_ID, \
|
|
.subdevice = PCI_ANY_ID, \
|
|
}
|
|
ID(PCI_DEVICE_ID_INTEL_82441), /* for HAS2 support */
|
|
ID(PCI_DEVICE_ID_INTEL_82443LX_0),
|
|
ID(PCI_DEVICE_ID_INTEL_82443BX_0),
|
|
ID(PCI_DEVICE_ID_INTEL_82443GX_0),
|
|
ID(PCI_DEVICE_ID_INTEL_82810_MC1),
|
|
ID(PCI_DEVICE_ID_INTEL_82810_MC3),
|
|
ID(PCI_DEVICE_ID_INTEL_82810E_MC),
|
|
ID(PCI_DEVICE_ID_INTEL_82815_MC),
|
|
ID(PCI_DEVICE_ID_INTEL_82820_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82820_UP_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82830_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82840_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82845_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82845G_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82850_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82854_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82855PM_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82855GM_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82860_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82865_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82875_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_7505_0),
|
|
ID(PCI_DEVICE_ID_INTEL_7205_0),
|
|
ID(PCI_DEVICE_ID_INTEL_E7221_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82915G_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82915GM_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82945G_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82945GM_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82945GME_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_PINEVIEW_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82946GZ_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82G35_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82965Q_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82965G_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82965GM_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_82965GME_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_G33_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_Q35_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_Q33_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_GM45_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_EAGLELAKE_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_Q45_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_G45_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_G41_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_B43_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_B43_1_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D2_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB),
|
|
ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB),
|
|
{ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, agp_intel_pci_table);
|
|
|
|
static struct pci_driver agp_intel_pci_driver = {
|
|
.name = "agpgart-intel",
|
|
.id_table = agp_intel_pci_table,
|
|
.probe = agp_intel_probe,
|
|
.remove = agp_intel_remove,
|
|
#ifdef CONFIG_PM
|
|
.resume = agp_intel_resume,
|
|
#endif
|
|
};
|
|
|
|
static int __init agp_intel_init(void)
|
|
{
|
|
if (agp_off)
|
|
return -EINVAL;
|
|
return pci_register_driver(&agp_intel_pci_driver);
|
|
}
|
|
|
|
static void __exit agp_intel_cleanup(void)
|
|
{
|
|
pci_unregister_driver(&agp_intel_pci_driver);
|
|
}
|
|
|
|
module_init(agp_intel_init);
|
|
module_exit(agp_intel_cleanup);
|
|
|
|
MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
|
|
MODULE_LICENSE("GPL and additional rights");
|