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-rw-r--r--sys/dev/agp/agp.c12
-rw-r--r--sys/dev/agp/agp_i810.c2686
-rw-r--r--sys/dev/agp/agp_i810.h101
-rw-r--r--sys/dev/agp/agp_if.m12
-rw-r--r--sys/dev/agp/agppriv.h2
-rw-r--r--sys/dev/agp/agpreg.h79
-rw-r--r--sys/dev/agp/agpvar.h6
-rw-r--r--sys/modules/agp/Makefile12
-rw-r--r--sys/sys/agpio.h1
9 files changed, 2273 insertions, 638 deletions
diff --git a/sys/dev/agp/agp.c b/sys/dev/agp/agp.c
index 6e5aa35..ccd7f51 100644
--- a/sys/dev/agp/agp.c
+++ b/sys/dev/agp/agp.c
@@ -239,7 +239,8 @@ agp_generic_attach(device_t dev)
if (memsize <= agp_max[i][0])
break;
}
- if (i == agp_max_size) i = agp_max_size - 1;
+ if (i == agp_max_size)
+ i = agp_max_size - 1;
sc->as_maxmem = agp_max[i][1] << 20U;
/*
@@ -803,6 +804,13 @@ agp_unbind_user(device_t dev, agp_unbind *unbind)
}
static int
+agp_chipset_flush(device_t dev)
+{
+
+ return (AGP_CHIPSET_FLUSH(dev));
+}
+
+static int
agp_open(struct cdev *kdev, int oflags, int devtype, struct thread *td)
{
device_t dev = kdev->si_drv1;
@@ -869,6 +877,8 @@ agp_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int fflag, struct thread
case AGPIOC_UNBIND:
return agp_unbind_user(dev, (agp_unbind *)data);
+ case AGPIOC_CHIPSET_FLUSH:
+ return agp_chipset_flush(dev);
}
return EINVAL;
diff --git a/sys/dev/agp/agp_i810.c b/sys/dev/agp/agp_i810.c
index ff3ad1c..a181ad7 100644
--- a/sys/dev/agp/agp_i810.c
+++ b/sys/dev/agp/agp_i810.c
@@ -1,8 +1,12 @@
/*-
* Copyright (c) 2000 Doug Rabson
* Copyright (c) 2000 Ruslan Ermilov
+ * Copyright (c) 2011 The FreeBSD Foundation
* All rights reserved.
*
+ * Portions of this software were developed by Konstantin Belousov
+ * under sponsorship from the FreeBSD Foundation.
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -28,6 +32,9 @@
/*
* Fixes for 830/845G support: David Dawes <dawes@xfree86.org>
* 852GM/855GM/865G support added by David Dawes <dawes@xfree86.org>
+ *
+ * This is generic Intel GTT handling code, morphed from the AGP
+ * bridge code.
*/
#include <sys/cdefs.h>
@@ -35,10 +42,17 @@ __FBSDID("$FreeBSD$");
#include "opt_bus.h"
+#if 0
+#define KTR_AGP_I810 KTR_DEV
+#else
+#define KTR_AGP_I810 0
+#endif
+
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
+#include <sys/ktr.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/lock.h>
@@ -47,8 +61,10 @@ __FBSDID("$FreeBSD$");
#include <dev/agp/agppriv.h>
#include <dev/agp/agpreg.h>
+#include <dev/agp/agp_i810.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
+#include <dev/pci/pci_private.h>
#include <vm/vm.h>
#include <vm/vm_object.h>
@@ -63,6 +79,88 @@ __FBSDID("$FreeBSD$");
MALLOC_DECLARE(M_AGP);
+struct agp_i810_match;
+
+static int agp_i810_check_active(device_t bridge_dev);
+static int agp_i830_check_active(device_t bridge_dev);
+static int agp_i915_check_active(device_t bridge_dev);
+static int agp_sb_check_active(device_t bridge_dev);
+
+static void agp_82852_set_desc(device_t dev,
+ const struct agp_i810_match *match);
+static void agp_i810_set_desc(device_t dev, const struct agp_i810_match *match);
+
+static void agp_i810_dump_regs(device_t dev);
+static void agp_i830_dump_regs(device_t dev);
+static void agp_i855_dump_regs(device_t dev);
+static void agp_i915_dump_regs(device_t dev);
+static void agp_i965_dump_regs(device_t dev);
+static void agp_sb_dump_regs(device_t dev);
+
+static int agp_i810_get_stolen_size(device_t dev);
+static int agp_i830_get_stolen_size(device_t dev);
+static int agp_i915_get_stolen_size(device_t dev);
+static int agp_sb_get_stolen_size(device_t dev);
+
+static int agp_i810_get_gtt_mappable_entries(device_t dev);
+static int agp_i830_get_gtt_mappable_entries(device_t dev);
+static int agp_i915_get_gtt_mappable_entries(device_t dev);
+
+static int agp_i810_get_gtt_total_entries(device_t dev);
+static int agp_i965_get_gtt_total_entries(device_t dev);
+static int agp_gen5_get_gtt_total_entries(device_t dev);
+static int agp_sb_get_gtt_total_entries(device_t dev);
+
+static int agp_i810_install_gatt(device_t dev);
+static int agp_i830_install_gatt(device_t dev);
+
+static void agp_i810_deinstall_gatt(device_t dev);
+static void agp_i830_deinstall_gatt(device_t dev);
+
+static void agp_i810_install_gtt_pte(device_t dev, u_int index,
+ vm_offset_t physical, int flags);
+static void agp_i830_install_gtt_pte(device_t dev, u_int index,
+ vm_offset_t physical, int flags);
+static void agp_i915_install_gtt_pte(device_t dev, u_int index,
+ vm_offset_t physical, int flags);
+static void agp_i965_install_gtt_pte(device_t dev, u_int index,
+ vm_offset_t physical, int flags);
+static void agp_g4x_install_gtt_pte(device_t dev, u_int index,
+ vm_offset_t physical, int flags);
+static void agp_sb_install_gtt_pte(device_t dev, u_int index,
+ vm_offset_t physical, int flags);
+
+static void agp_i810_write_gtt(device_t dev, u_int index, uint32_t pte);
+static void agp_i915_write_gtt(device_t dev, u_int index, uint32_t pte);
+static void agp_i965_write_gtt(device_t dev, u_int index, uint32_t pte);
+static void agp_g4x_write_gtt(device_t dev, u_int index, uint32_t pte);
+static void agp_sb_write_gtt(device_t dev, u_int index, uint32_t pte);
+
+static u_int32_t agp_i810_read_gtt_pte(device_t dev, u_int index);
+static u_int32_t agp_i915_read_gtt_pte(device_t dev, u_int index);
+static u_int32_t agp_i965_read_gtt_pte(device_t dev, u_int index);
+static u_int32_t agp_g4x_read_gtt_pte(device_t dev, u_int index);
+
+static vm_paddr_t agp_i810_read_gtt_pte_paddr(device_t dev, u_int index);
+static vm_paddr_t agp_i915_read_gtt_pte_paddr(device_t dev, u_int index);
+static vm_paddr_t agp_sb_read_gtt_pte_paddr(device_t dev, u_int index);
+
+static int agp_i810_set_aperture(device_t dev, u_int32_t aperture);
+static int agp_i830_set_aperture(device_t dev, u_int32_t aperture);
+static int agp_i915_set_aperture(device_t dev, u_int32_t aperture);
+
+static int agp_i810_chipset_flush_setup(device_t dev);
+static int agp_i915_chipset_flush_setup(device_t dev);
+static int agp_i965_chipset_flush_setup(device_t dev);
+
+static void agp_i810_chipset_flush_teardown(device_t dev);
+static void agp_i915_chipset_flush_teardown(device_t dev);
+static void agp_i965_chipset_flush_teardown(device_t dev);
+
+static void agp_i810_chipset_flush(device_t dev);
+static void agp_i830_chipset_flush(device_t dev);
+static void agp_i915_chipset_flush(device_t dev);
+
enum {
CHIP_I810, /* i810/i815 */
CHIP_I830, /* 830M/845G */
@@ -72,6 +170,7 @@ enum {
CHIP_G33, /* G33/Q33/Q35 */
CHIP_IGD, /* Pineview */
CHIP_G4X, /* G45/Q45 */
+ CHIP_SB, /* SandyBridge */
};
/* The i810 through i855 have the registers at BAR 1, and the GATT gets
@@ -96,19 +195,308 @@ static struct resource_spec agp_i965_res_spec[] = {
{ -1, 0 }
};
+static struct resource_spec agp_g4x_res_spec[] = {
+ { SYS_RES_MEMORY, AGP_G4X_MMADR, RF_ACTIVE | RF_SHAREABLE },
+ { SYS_RES_MEMORY, AGP_G4X_GTTADR, RF_ACTIVE | RF_SHAREABLE },
+ { -1, 0 }
+};
+
struct agp_i810_softc {
struct agp_softc agp;
u_int32_t initial_aperture; /* aperture size at startup */
struct agp_gatt *gatt;
- int chiptype; /* i810-like or i830 */
u_int32_t dcache_size; /* i810 only */
- u_int32_t stolen; /* number of i830/845 gtt entries for stolen memory */
+ u_int32_t stolen; /* number of i830/845 gtt
+ entries for stolen memory */
+ u_int stolen_size; /* BIOS-reserved graphics memory */
+ u_int gtt_total_entries; /* Total number of gtt ptes */
+ u_int gtt_mappable_entries; /* Number of gtt ptes mappable by CPU */
device_t bdev; /* bridge device */
-
void *argb_cursor; /* contigmalloc area for ARGB cursor */
-
- struct resource_spec * sc_res_spec;
struct resource *sc_res[2];
+ const struct agp_i810_match *match;
+ int sc_flush_page_rid;
+ struct resource *sc_flush_page_res;
+ void *sc_flush_page_vaddr;
+ int sc_bios_allocated_flush_page;
+};
+
+static device_t intel_agp;
+
+struct agp_i810_driver {
+ int chiptype;
+ int gen;
+ int busdma_addr_mask_sz;
+ struct resource_spec *res_spec;
+ int (*check_active)(device_t);
+ void (*set_desc)(device_t, const struct agp_i810_match *);
+ void (*dump_regs)(device_t);
+ int (*get_stolen_size)(device_t);
+ int (*get_gtt_total_entries)(device_t);
+ int (*get_gtt_mappable_entries)(device_t);
+ int (*install_gatt)(device_t);
+ void (*deinstall_gatt)(device_t);
+ void (*write_gtt)(device_t, u_int, uint32_t);
+ void (*install_gtt_pte)(device_t, u_int, vm_offset_t, int);
+ u_int32_t (*read_gtt_pte)(device_t, u_int);
+ vm_paddr_t (*read_gtt_pte_paddr)(device_t , u_int);
+ int (*set_aperture)(device_t, u_int32_t);
+ int (*chipset_flush_setup)(device_t);
+ void (*chipset_flush_teardown)(device_t);
+ void (*chipset_flush)(device_t);
+};
+
+static const struct agp_i810_driver agp_i810_i810_driver = {
+ .chiptype = CHIP_I810,
+ .gen = 1,
+ .busdma_addr_mask_sz = 32,
+ .res_spec = agp_i810_res_spec,
+ .check_active = agp_i810_check_active,
+ .set_desc = agp_i810_set_desc,
+ .dump_regs = agp_i810_dump_regs,
+ .get_stolen_size = agp_i810_get_stolen_size,
+ .get_gtt_mappable_entries = agp_i810_get_gtt_mappable_entries,
+ .get_gtt_total_entries = agp_i810_get_gtt_total_entries,
+ .install_gatt = agp_i810_install_gatt,
+ .deinstall_gatt = agp_i810_deinstall_gatt,
+ .write_gtt = agp_i810_write_gtt,
+ .install_gtt_pte = agp_i810_install_gtt_pte,
+ .read_gtt_pte = agp_i810_read_gtt_pte,
+ .read_gtt_pte_paddr = agp_i810_read_gtt_pte_paddr,
+ .set_aperture = agp_i810_set_aperture,
+ .chipset_flush_setup = agp_i810_chipset_flush_setup,
+ .chipset_flush_teardown = agp_i810_chipset_flush_teardown,
+ .chipset_flush = agp_i810_chipset_flush,
+};
+
+static const struct agp_i810_driver agp_i810_i815_driver = {
+ .chiptype = CHIP_I810,
+ .gen = 2,
+ .busdma_addr_mask_sz = 32,
+ .res_spec = agp_i810_res_spec,
+ .check_active = agp_i810_check_active,
+ .set_desc = agp_i810_set_desc,
+ .dump_regs = agp_i810_dump_regs,
+ .get_stolen_size = agp_i810_get_stolen_size,
+ .get_gtt_mappable_entries = agp_i830_get_gtt_mappable_entries,
+ .get_gtt_total_entries = agp_i810_get_gtt_total_entries,
+ .install_gatt = agp_i810_install_gatt,
+ .deinstall_gatt = agp_i810_deinstall_gatt,
+ .write_gtt = agp_i810_write_gtt,
+ .install_gtt_pte = agp_i810_install_gtt_pte,
+ .read_gtt_pte = agp_i810_read_gtt_pte,
+ .read_gtt_pte_paddr = agp_i810_read_gtt_pte_paddr,
+ .set_aperture = agp_i810_set_aperture,
+ .chipset_flush_setup = agp_i810_chipset_flush_setup,
+ .chipset_flush_teardown = agp_i810_chipset_flush_teardown,
+ .chipset_flush = agp_i830_chipset_flush,
+};
+
+static const struct agp_i810_driver agp_i810_i830_driver = {
+ .chiptype = CHIP_I830,
+ .gen = 2,
+ .busdma_addr_mask_sz = 32,
+ .res_spec = agp_i810_res_spec,
+ .check_active = agp_i830_check_active,
+ .set_desc = agp_i810_set_desc,
+ .dump_regs = agp_i830_dump_regs,
+ .get_stolen_size = agp_i830_get_stolen_size,
+ .get_gtt_mappable_entries = agp_i830_get_gtt_mappable_entries,
+ .get_gtt_total_entries = agp_i810_get_gtt_total_entries,
+ .install_gatt = agp_i830_install_gatt,
+ .deinstall_gatt = agp_i830_deinstall_gatt,
+ .write_gtt = agp_i810_write_gtt,
+ .install_gtt_pte = agp_i830_install_gtt_pte,
+ .read_gtt_pte = agp_i810_read_gtt_pte,
+ .read_gtt_pte_paddr = agp_i810_read_gtt_pte_paddr,
+ .set_aperture = agp_i830_set_aperture,
+ .chipset_flush_setup = agp_i810_chipset_flush_setup,
+ .chipset_flush_teardown = agp_i810_chipset_flush_teardown,
+ .chipset_flush = agp_i830_chipset_flush,
+};
+
+static const struct agp_i810_driver agp_i810_i855_driver = {
+ .chiptype = CHIP_I855,
+ .gen = 2,
+ .busdma_addr_mask_sz = 32,
+ .res_spec = agp_i810_res_spec,
+ .check_active = agp_i830_check_active,
+ .set_desc = agp_82852_set_desc,
+ .dump_regs = agp_i855_dump_regs,
+ .get_stolen_size = agp_i915_get_stolen_size,
+ .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries,
+ .get_gtt_total_entries = agp_i810_get_gtt_total_entries,
+ .install_gatt = agp_i830_install_gatt,
+ .deinstall_gatt = agp_i830_deinstall_gatt,
+ .write_gtt = agp_i810_write_gtt,
+ .install_gtt_pte = agp_i830_install_gtt_pte,
+ .read_gtt_pte = agp_i810_read_gtt_pte,
+ .read_gtt_pte_paddr = agp_i810_read_gtt_pte_paddr,
+ .set_aperture = agp_i830_set_aperture,
+ .chipset_flush_setup = agp_i810_chipset_flush_setup,
+ .chipset_flush_teardown = agp_i810_chipset_flush_teardown,
+ .chipset_flush = agp_i830_chipset_flush,
+};
+
+static const struct agp_i810_driver agp_i810_i865_driver = {
+ .chiptype = CHIP_I855,
+ .gen = 2,
+ .busdma_addr_mask_sz = 32,
+ .res_spec = agp_i810_res_spec,
+ .check_active = agp_i830_check_active,
+ .set_desc = agp_i810_set_desc,
+ .dump_regs = agp_i855_dump_regs,
+ .get_stolen_size = agp_i915_get_stolen_size,
+ .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries,
+ .get_gtt_total_entries = agp_i810_get_gtt_total_entries,
+ .install_gatt = agp_i830_install_gatt,
+ .deinstall_gatt = agp_i830_deinstall_gatt,
+ .write_gtt = agp_i810_write_gtt,
+ .install_gtt_pte = agp_i830_install_gtt_pte,
+ .read_gtt_pte = agp_i810_read_gtt_pte,
+ .read_gtt_pte_paddr = agp_i810_read_gtt_pte_paddr,
+ .set_aperture = agp_i915_set_aperture,
+ .chipset_flush_setup = agp_i810_chipset_flush_setup,
+ .chipset_flush_teardown = agp_i810_chipset_flush_teardown,
+ .chipset_flush = agp_i830_chipset_flush,
+};
+
+static const struct agp_i810_driver agp_i810_i915_driver = {
+ .chiptype = CHIP_I915,
+ .gen = 3,
+ .busdma_addr_mask_sz = 32,
+ .res_spec = agp_i915_res_spec,
+ .check_active = agp_i915_check_active,
+ .set_desc = agp_i810_set_desc,
+ .dump_regs = agp_i915_dump_regs,
+ .get_stolen_size = agp_i915_get_stolen_size,
+ .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries,
+ .get_gtt_total_entries = agp_i810_get_gtt_total_entries,
+ .install_gatt = agp_i830_install_gatt,
+ .deinstall_gatt = agp_i830_deinstall_gatt,
+ .write_gtt = agp_i915_write_gtt,
+ .install_gtt_pte = agp_i915_install_gtt_pte,
+ .read_gtt_pte = agp_i915_read_gtt_pte,
+ .read_gtt_pte_paddr = agp_i915_read_gtt_pte_paddr,
+ .set_aperture = agp_i915_set_aperture,
+ .chipset_flush_setup = agp_i915_chipset_flush_setup,
+ .chipset_flush_teardown = agp_i915_chipset_flush_teardown,
+ .chipset_flush = agp_i915_chipset_flush,
+};
+
+static const struct agp_i810_driver agp_i810_g965_driver = {
+ .chiptype = CHIP_I965,
+ .gen = 4,
+ .busdma_addr_mask_sz = 36,
+ .res_spec = agp_i965_res_spec,
+ .check_active = agp_i915_check_active,
+ .set_desc = agp_i810_set_desc,
+ .dump_regs = agp_i965_dump_regs,
+ .get_stolen_size = agp_i915_get_stolen_size,
+ .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries,
+ .get_gtt_total_entries = agp_i965_get_gtt_total_entries,
+ .install_gatt = agp_i830_install_gatt,
+ .deinstall_gatt = agp_i830_deinstall_gatt,
+ .write_gtt = agp_i965_write_gtt,
+ .install_gtt_pte = agp_i965_install_gtt_pte,
+ .read_gtt_pte = agp_i965_read_gtt_pte,
+ .read_gtt_pte_paddr = agp_i915_read_gtt_pte_paddr,
+ .set_aperture = agp_i915_set_aperture,
+ .chipset_flush_setup = agp_i965_chipset_flush_setup,
+ .chipset_flush_teardown = agp_i965_chipset_flush_teardown,
+ .chipset_flush = agp_i915_chipset_flush,
+};
+
+static const struct agp_i810_driver agp_i810_g33_driver = {
+ .chiptype = CHIP_G33,
+ .gen = 3,
+ .busdma_addr_mask_sz = 36,
+ .res_spec = agp_i915_res_spec,
+ .check_active = agp_i915_check_active,
+ .set_desc = agp_i810_set_desc,
+ .dump_regs = agp_i965_dump_regs,
+ .get_stolen_size = agp_i915_get_stolen_size,
+ .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries,
+ .get_gtt_total_entries = agp_i965_get_gtt_total_entries,
+ .install_gatt = agp_i830_install_gatt,
+ .deinstall_gatt = agp_i830_deinstall_gatt,
+ .write_gtt = agp_i915_write_gtt,
+ .install_gtt_pte = agp_i915_install_gtt_pte,
+ .read_gtt_pte = agp_i915_read_gtt_pte,
+ .read_gtt_pte_paddr = agp_i915_read_gtt_pte_paddr,
+ .set_aperture = agp_i915_set_aperture,
+ .chipset_flush_setup = agp_i965_chipset_flush_setup,
+ .chipset_flush_teardown = agp_i965_chipset_flush_teardown,
+ .chipset_flush = agp_i915_chipset_flush,
+};
+
+static const struct agp_i810_driver agp_i810_igd_driver = {
+ .chiptype = CHIP_IGD,
+ .gen = 3,
+ .busdma_addr_mask_sz = 36,
+ .res_spec = agp_i915_res_spec,
+ .check_active = agp_i915_check_active,
+ .set_desc = agp_i810_set_desc,
+ .dump_regs = agp_i915_dump_regs,
+ .get_stolen_size = agp_i915_get_stolen_size,
+ .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries,
+ .get_gtt_total_entries = agp_i965_get_gtt_total_entries,
+ .install_gatt = agp_i830_install_gatt,
+ .deinstall_gatt = agp_i830_deinstall_gatt,
+ .write_gtt = agp_i915_write_gtt,
+ .install_gtt_pte = agp_i915_install_gtt_pte,
+ .read_gtt_pte = agp_i915_read_gtt_pte,
+ .read_gtt_pte_paddr = agp_i915_read_gtt_pte_paddr,
+ .set_aperture = agp_i915_set_aperture,
+ .chipset_flush_setup = agp_i965_chipset_flush_setup,
+ .chipset_flush_teardown = agp_i965_chipset_flush_teardown,
+ .chipset_flush = agp_i915_chipset_flush,
+};
+
+static const struct agp_i810_driver agp_i810_g4x_driver = {
+ .chiptype = CHIP_G4X,
+ .gen = 5,
+ .busdma_addr_mask_sz = 36,
+ .res_spec = agp_i965_res_spec,
+ .check_active = agp_i915_check_active,
+ .set_desc = agp_i810_set_desc,
+ .dump_regs = agp_i965_dump_regs,
+ .get_stolen_size = agp_i915_get_stolen_size,
+ .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries,
+ .get_gtt_total_entries = agp_gen5_get_gtt_total_entries,
+ .install_gatt = agp_i830_install_gatt,
+ .deinstall_gatt = agp_i830_deinstall_gatt,
+ .write_gtt = agp_g4x_write_gtt,
+ .install_gtt_pte = agp_g4x_install_gtt_pte,
+ .read_gtt_pte = agp_g4x_read_gtt_pte,
+ .read_gtt_pte_paddr = agp_i915_read_gtt_pte_paddr,
+ .set_aperture = agp_i915_set_aperture,
+ .chipset_flush_setup = agp_i965_chipset_flush_setup,
+ .chipset_flush_teardown = agp_i965_chipset_flush_teardown,
+ .chipset_flush = agp_i915_chipset_flush,
+};
+
+static const struct agp_i810_driver agp_i810_sb_driver = {
+ .chiptype = CHIP_SB,
+ .gen = 6,
+ .busdma_addr_mask_sz = 40,
+ .res_spec = agp_g4x_res_spec,
+ .check_active = agp_sb_check_active,
+ .set_desc = agp_i810_set_desc,
+ .dump_regs = agp_sb_dump_regs,
+ .get_stolen_size = agp_sb_get_stolen_size,
+ .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries,
+ .get_gtt_total_entries = agp_sb_get_gtt_total_entries,
+ .install_gatt = agp_i830_install_gatt,
+ .deinstall_gatt = agp_i830_deinstall_gatt,
+ .write_gtt = agp_sb_write_gtt,
+ .install_gtt_pte = agp_sb_install_gtt_pte,
+ .read_gtt_pte = agp_g4x_read_gtt_pte,
+ .read_gtt_pte_paddr = agp_sb_read_gtt_pte_paddr,
+ .set_aperture = agp_i915_set_aperture,
+ .chipset_flush_setup = agp_i810_chipset_flush_setup,
+ .chipset_flush_teardown = agp_i810_chipset_flush_teardown,
+ .chipset_flush = agp_i810_chipset_flush,
};
/* For adding new devices, devid is the id of the graphics controller
@@ -118,75 +506,232 @@ struct agp_i810_softc {
*/
static const struct agp_i810_match {
int devid;
- int chiptype;
- int bridge_offset;
char *name;
+ const struct agp_i810_driver *driver;
} agp_i810_matches[] = {
- {0x71218086, CHIP_I810, 0x00010000,
- "Intel 82810 (i810 GMCH) SVGA controller"},
- {0x71238086, CHIP_I810, 0x00010000,
- "Intel 82810-DC100 (i810-DC100 GMCH) SVGA controller"},
- {0x71258086, CHIP_I810, 0x00010000,
- "Intel 82810E (i810E GMCH) SVGA controller"},
- {0x11328086, CHIP_I810, 0x00020000,
- "Intel 82815 (i815 GMCH) SVGA controller"},
- {0x35778086, CHIP_I830, 0x00020000,
- "Intel 82830M (830M GMCH) SVGA controller"},
- {0x25628086, CHIP_I830, 0x00020000,
- "Intel 82845M (845M GMCH) SVGA controller"},
- {0x35828086, CHIP_I855, 0x00020000,
- "Intel 82852/855GM SVGA controller"},
- {0x25728086, CHIP_I855, 0x00020000,
- "Intel 82865G (865G GMCH) SVGA controller"},
- {0x25828086, CHIP_I915, 0x00020000,
- "Intel 82915G (915G GMCH) SVGA controller"},
- {0x258A8086, CHIP_I915, 0x00020000,
- "Intel E7221 SVGA controller"},
- {0x25928086, CHIP_I915, 0x00020000,
- "Intel 82915GM (915GM GMCH) SVGA controller"},
- {0x27728086, CHIP_I915, 0x00020000,
- "Intel 82945G (945G GMCH) SVGA controller"},
- {0x27A28086, CHIP_I915, 0x00020000,
- "Intel 82945GM (945GM GMCH) SVGA controller"},
- {0x27AE8086, CHIP_I915, 0x00020000,
- "Intel 945GME SVGA controller"},
- {0x29728086, CHIP_I965, 0x00020000,
- "Intel 946GZ SVGA controller"},
- {0x29828086, CHIP_I965, 0x00020000,
- "Intel G965 SVGA controller"},
- {0x29928086, CHIP_I965, 0x00020000,
- "Intel Q965 SVGA controller"},
- {0x29A28086, CHIP_I965, 0x00020000,
- "Intel G965 SVGA controller"},
- {0x29B28086, CHIP_G33, 0x00020000,
- "Intel Q35 SVGA controller"},
- {0x29C28086, CHIP_G33, 0x00020000,
- "Intel G33 SVGA controller"},
- {0x29D28086, CHIP_G33, 0x00020000,
- "Intel Q33 SVGA controller"},
- {0xA0018086, CHIP_IGD, 0x00010000,
- "Intel Pineview SVGA controller"},
- {0xA0118086, CHIP_IGD, 0x00010000,
- "Intel Pineview (M) SVGA controller"},
- {0x2A028086, CHIP_I965, 0x00020000,
- "Intel GM965 SVGA controller"},
- {0x2A128086, CHIP_I965, 0x00020000,
- "Intel GME965 SVGA controller"},
- {0x2A428086, CHIP_G4X, 0x00020000,
- "Intel GM45 SVGA controller"},
- {0x2E028086, CHIP_G4X, 0x00020000,
- "Intel Eaglelake SVGA controller"},
- {0x2E128086, CHIP_G4X, 0x00020000,
- "Intel Q45 SVGA controller"},
- {0x2E228086, CHIP_G4X, 0x00020000,
- "Intel G45 SVGA controller"},
- {0x2E328086, CHIP_G4X, 0x00020000,
- "Intel G41 SVGA controller"},
- {0x00428086, CHIP_G4X, 0x00020000,
- "Intel Ironlake (D) SVGA controller"},
- {0x00468086, CHIP_G4X, 0x00020000,
- "Intel Ironlake (M) SVGA controller"},
- {0, 0, 0, NULL}
+ {
+ .devid = 0x71218086,
+ .name = "Intel 82810 (i810 GMCH) SVGA controller",
+ .driver = &agp_i810_i810_driver
+ },
+ {
+ .devid = 0x71238086,
+ .name = "Intel 82810-DC100 (i810-DC100 GMCH) SVGA controller",
+ .driver = &agp_i810_i810_driver
+ },
+ {
+ .devid = 0x71258086,
+ .name = "Intel 82810E (i810E GMCH) SVGA controller",
+ .driver = &agp_i810_i810_driver
+ },
+ {
+ .devid = 0x11328086,
+ .name = "Intel 82815 (i815 GMCH) SVGA controller",
+ .driver = &agp_i810_i815_driver
+ },
+ {
+ .devid = 0x35778086,
+ .name = "Intel 82830M (830M GMCH) SVGA controller",
+ .driver = &agp_i810_i830_driver
+ },
+ {
+ .devid = 0x25628086,
+ .name = "Intel 82845M (845M GMCH) SVGA controller",
+ .driver = &agp_i810_i830_driver
+ },
+ {
+ .devid = 0x35828086,
+ .name = "Intel 82852/855GM SVGA controller",
+ .driver = &agp_i810_i855_driver
+ },
+ {
+ .devid = 0x25728086,
+ .name = "Intel 82865G (865G GMCH) SVGA controller",
+ .driver = &agp_i810_i865_driver
+ },
+ {
+ .devid = 0x25828086,
+ .name = "Intel 82915G (915G GMCH) SVGA controller",
+ .driver = &agp_i810_i915_driver
+ },
+ {
+ .devid = 0x258A8086,
+ .name = "Intel E7221 SVGA controller",
+ .driver = &agp_i810_i915_driver
+ },
+ {
+ .devid = 0x25928086,
+ .name = "Intel 82915GM (915GM GMCH) SVGA controller",
+ .driver = &agp_i810_i915_driver
+ },
+ {
+ .devid = 0x27728086,
+ .name = "Intel 82945G (945G GMCH) SVGA controller",
+ .driver = &agp_i810_i915_driver
+ },
+ {
+ .devid = 0x27A28086,
+ .name = "Intel 82945GM (945GM GMCH) SVGA controller",
+ .driver = &agp_i810_i915_driver
+ },
+ {
+ .devid = 0x27AE8086,
+ .name = "Intel 945GME SVGA controller",
+ .driver = &agp_i810_i915_driver
+ },
+ {
+ .devid = 0x29728086,
+ .name = "Intel 946GZ SVGA controller",
+ .driver = &agp_i810_g965_driver
+ },
+ {
+ .devid = 0x29828086,
+ .name = "Intel G965 SVGA controller",
+ .driver = &agp_i810_g965_driver
+ },
+ {
+ .devid = 0x29928086,
+ .name = "Intel Q965 SVGA controller",
+ .driver = &agp_i810_g965_driver
+ },
+ {
+ .devid = 0x29A28086,
+ .name = "Intel G965 SVGA controller",
+ .driver = &agp_i810_g965_driver
+ },
+ {
+ .devid = 0x29B28086,
+ .name = "Intel Q35 SVGA controller",
+ .driver = &agp_i810_g33_driver
+ },
+ {
+ .devid = 0x29C28086,
+ .name = "Intel G33 SVGA controller",
+ .driver = &agp_i810_g33_driver
+ },
+ {
+ .devid = 0x29D28086,
+ .name = "Intel Q33 SVGA controller",
+ .driver = &agp_i810_g33_driver
+ },
+ {
+ .devid = 0xA0018086,
+ .name = "Intel Pineview SVGA controller",
+ .driver = &agp_i810_igd_driver
+ },
+ {
+ .devid = 0xA0118086,
+ .name = "Intel Pineview (M) SVGA controller",
+ .driver = &agp_i810_igd_driver
+ },
+ {
+ .devid = 0x2A028086,
+ .name = "Intel GM965 SVGA controller",
+ .driver = &agp_i810_g965_driver
+ },
+ {
+ .devid = 0x2A128086,
+ .name = "Intel GME965 SVGA controller",
+ .driver = &agp_i810_g965_driver
+ },
+ {
+ .devid = 0x2A428086,
+ .name = "Intel GM45 SVGA controller",
+ .driver = &agp_i810_g4x_driver
+ },
+ {
+ .devid = 0x2E028086,
+ .name = "Intel Eaglelake SVGA controller",
+ .driver = &agp_i810_g4x_driver
+ },
+ {
+ .devid = 0x2E128086,
+ .name = "Intel Q45 SVGA controller",
+ .driver = &agp_i810_g4x_driver
+ },
+ {
+ .devid = 0x2E228086,
+ .name = "Intel G45 SVGA controller",
+ .driver = &agp_i810_g4x_driver
+ },
+ {
+ .devid = 0x2E328086,
+ .name = "Intel G41 SVGA controller",
+ .driver = &agp_i810_g4x_driver
+ },
+ {
+ .devid = 0x00428086,
+ .name = "Intel Ironlake (D) SVGA controller",
+ .driver = &agp_i810_g4x_driver
+ },
+ {
+ .devid = 0x00468086,
+ .name = "Intel Ironlake (M) SVGA controller",
+ .driver = &agp_i810_g4x_driver
+ },
+ {
+ .devid = 0x01028086,
+ .name = "SandyBridge desktop GT1 IG",
+ .driver = &agp_i810_sb_driver
+ },
+ {
+ .devid = 0x01128086,
+ .name = "SandyBridge desktop GT2 IG",
+ .driver = &agp_i810_sb_driver
+ },
+ {
+ .devid = 0x01228086,
+ .name = "SandyBridge desktop GT2+ IG",
+ .driver = &agp_i810_sb_driver
+ },
+ {
+ .devid = 0x01068086,
+ .name = "SandyBridge mobile GT1 IG",
+ .driver = &agp_i810_sb_driver
+ },
+ {
+ .devid = 0x01168086,
+ .name = "SandyBridge mobile GT2 IG",
+ .driver = &agp_i810_sb_driver
+ },
+ {
+ .devid = 0x01268086,
+ .name = "SandyBridge mobile GT2+ IG",
+ .driver = &agp_i810_sb_driver
+ },
+ {
+ .devid = 0x01088086,
+ .name = "SandyBridge server IG",
+ .driver = &agp_i810_sb_driver
+ },
+ {
+ .devid = 0x01528086,
+ .name = "IvyBridge desktop GT1 IG",
+ .driver = &agp_i810_sb_driver
+ },
+ {
+ .devid = 0x01628086,
+ .name = "IvyBridge desktop GT2 IG",
+ .driver = &agp_i810_sb_driver
+ },
+ {
+ .devid = 0x01568086,
+ .name = "IvyBridge mobile GT1 IG",
+ .driver = &agp_i810_sb_driver
+ },
+ {
+ .devid = 0x01668086,
+ .name = "IvyBridge mobile GT2 IG",
+ .driver = &agp_i810_sb_driver
+ },
+ {
+ .devid = 0x015a8086,
+ .name = "IvyBridge server GT1 IG",
+ .driver = &agp_i810_sb_driver
+ },
+ {
+ .devid = 0,
+ }
};
static const struct agp_i810_match*
@@ -196,17 +741,17 @@ agp_i810_match(device_t dev)
if (pci_get_class(dev) != PCIC_DISPLAY
|| pci_get_subclass(dev) != PCIS_DISPLAY_VGA)
- return NULL;
+ return (NULL);
devid = pci_get_devid(dev);
for (i = 0; agp_i810_matches[i].devid != 0; i++) {
if (agp_i810_matches[i].devid == devid)
- break;
+ break;
}
if (agp_i810_matches[i].devid == 0)
- return NULL;
+ return (NULL);
else
- return &agp_i810_matches[i];
+ return (&agp_i810_matches[i]);
}
/*
@@ -215,28 +760,8 @@ agp_i810_match(device_t dev)
static device_t
agp_i810_find_bridge(device_t dev)
{
- device_t *children, child;
- int nchildren, i;
- u_int32_t devid;
- const struct agp_i810_match *match;
-
- match = agp_i810_match(dev);
- devid = match->devid - match->bridge_offset;
- if (device_get_children(device_get_parent(device_get_parent(dev)),
- &children, &nchildren))
- return 0;
-
- for (i = 0; i < nchildren; i++) {
- child = children[i];
-
- if (pci_get_devid(child) == devid) {
- free(children, M_TEMP);
- return child;
- }
- }
- free(children, M_TEMP);
- return 0;
+ return (pci_find_dbsf(0, 0, 0, 0));
}
static void
@@ -249,92 +774,116 @@ agp_i810_identify(driver_t *driver, device_t parent)
}
static int
+agp_i810_check_active(device_t bridge_dev)
+{
+ u_int8_t smram;
+
+ smram = pci_read_config(bridge_dev, AGP_I810_SMRAM, 1);
+ if ((smram & AGP_I810_SMRAM_GMS) == AGP_I810_SMRAM_GMS_DISABLED)
+ return (ENXIO);
+ return (0);
+}
+
+static int
+agp_i830_check_active(device_t bridge_dev)
+{
+ int gcc1;
+
+ gcc1 = pci_read_config(bridge_dev, AGP_I830_GCC1, 1);
+ if ((gcc1 & AGP_I830_GCC1_DEV2) == AGP_I830_GCC1_DEV2_DISABLED)
+ return (ENXIO);
+ return (0);
+}
+
+static int
+agp_i915_check_active(device_t bridge_dev)
+{
+ int deven;
+
+ deven = pci_read_config(bridge_dev, AGP_I915_DEVEN, 4);
+ if ((deven & AGP_I915_DEVEN_D2F0) == AGP_I915_DEVEN_D2F0_DISABLED)
+ return (ENXIO);
+ return (0);
+}
+
+static int
+agp_sb_check_active(device_t bridge_dev)
+{
+ int deven;
+
+ deven = pci_read_config(bridge_dev, AGP_I915_DEVEN, 4);
+ if ((deven & AGP_SB_DEVEN_D2EN) == AGP_SB_DEVEN_D2EN_DISABLED)
+ return (ENXIO);
+ return (0);
+}
+
+static void
+agp_82852_set_desc(device_t dev, const struct agp_i810_match *match)
+{
+
+ switch (pci_read_config(dev, AGP_I85X_CAPID, 1)) {
+ case AGP_I855_GME:
+ device_set_desc(dev,
+ "Intel 82855GME (855GME GMCH) SVGA controller");
+ break;
+ case AGP_I855_GM:
+ device_set_desc(dev,
+ "Intel 82855GM (855GM GMCH) SVGA controller");
+ break;
+ case AGP_I852_GME:
+ device_set_desc(dev,
+ "Intel 82852GME (852GME GMCH) SVGA controller");
+ break;
+ case AGP_I852_GM:
+ device_set_desc(dev,
+ "Intel 82852GM (852GM GMCH) SVGA controller");
+ break;
+ default:
+ device_set_desc(dev,
+ "Intel 8285xM (85xGM GMCH) SVGA controller");
+ break;
+ }
+}
+
+static void
+agp_i810_set_desc(device_t dev, const struct agp_i810_match *match)
+{
+
+ device_set_desc(dev, match->name);
+}
+
+static int
agp_i810_probe(device_t dev)
{
device_t bdev;
const struct agp_i810_match *match;
- u_int8_t smram;
- int gcc1, deven;
+ int err;
if (resource_disabled("agp", device_get_unit(dev)))
return (ENXIO);
match = agp_i810_match(dev);
if (match == NULL)
- return ENXIO;
+ return (ENXIO);
bdev = agp_i810_find_bridge(dev);
- if (!bdev) {
+ if (bdev == NULL) {
if (bootverbose)
printf("I810: can't find bridge device\n");
- return ENXIO;
+ return (ENXIO);
}
/*
* checking whether internal graphics device has been activated.
*/
- switch (match->chiptype) {
- case CHIP_I810:
- smram = pci_read_config(bdev, AGP_I810_SMRAM, 1);
- if ((smram & AGP_I810_SMRAM_GMS) ==
- AGP_I810_SMRAM_GMS_DISABLED) {
- if (bootverbose)
- printf("I810: disabled, not probing\n");
- return ENXIO;
- }
- break;
- case CHIP_I830:
- case CHIP_I855:
- gcc1 = pci_read_config(bdev, AGP_I830_GCC1, 1);
- if ((gcc1 & AGP_I830_GCC1_DEV2) ==
- AGP_I830_GCC1_DEV2_DISABLED) {
- if (bootverbose)
- printf("I830: disabled, not probing\n");
- return ENXIO;
- }
- break;
- case CHIP_I915:
- case CHIP_I965:
- case CHIP_G33:
- case CHIP_IGD:
- case CHIP_G4X:
- deven = pci_read_config(bdev, AGP_I915_DEVEN, 4);
- if ((deven & AGP_I915_DEVEN_D2F0) ==
- AGP_I915_DEVEN_D2F0_DISABLED) {
- if (bootverbose)
- printf("I915: disabled, not probing\n");
- return ENXIO;
- }
- break;
- }
-
- if (match->devid == 0x35828086) {
- switch (pci_read_config(dev, AGP_I85X_CAPID, 1)) {
- case AGP_I855_GME:
- device_set_desc(dev,
- "Intel 82855GME (855GME GMCH) SVGA controller");
- break;
- case AGP_I855_GM:
- device_set_desc(dev,
- "Intel 82855GM (855GM GMCH) SVGA controller");
- break;
- case AGP_I852_GME:
- device_set_desc(dev,
- "Intel 82852GME (852GME GMCH) SVGA controller");
- break;
- case AGP_I852_GM:
- device_set_desc(dev,
- "Intel 82852GM (852GM GMCH) SVGA controller");
- break;
- default:
- device_set_desc(dev,
- "Intel 8285xM (85xGM GMCH) SVGA controller");
- break;
- }
- } else {
- device_set_desc(dev, match->name);
+ err = match->driver->check_active(bdev);
+ if (err != 0) {
+ if (bootverbose)
+ printf("i810: disabled, not probing\n");
+ return (err);
}
- return BUS_PROBE_DEFAULT;
+ match->driver->set_desc(dev, match);
+ return (BUS_PROBE_DEFAULT);
}
static void
@@ -344,391 +893,641 @@ agp_i810_dump_regs(device_t dev)
device_printf(dev, "AGP_I810_PGTBL_CTL: %08x\n",
bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL));
+ device_printf(dev, "AGP_I810_MISCC: 0x%04x\n",
+ pci_read_config(sc->bdev, AGP_I810_MISCC, 2));
+}
- switch (sc->chiptype) {
- case CHIP_I810:
- device_printf(dev, "AGP_I810_MISCC: 0x%04x\n",
- pci_read_config(sc->bdev, AGP_I810_MISCC, 2));
+static void
+agp_i830_dump_regs(device_t dev)
+{
+ struct agp_i810_softc *sc = device_get_softc(dev);
+
+ device_printf(dev, "AGP_I810_PGTBL_CTL: %08x\n",
+ bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL));
+ device_printf(dev, "AGP_I830_GCC1: 0x%02x\n",
+ pci_read_config(sc->bdev, AGP_I830_GCC1, 1));
+}
+
+static void
+agp_i855_dump_regs(device_t dev)
+{
+ struct agp_i810_softc *sc = device_get_softc(dev);
+
+ device_printf(dev, "AGP_I810_PGTBL_CTL: %08x\n",
+ bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL));
+ device_printf(dev, "AGP_I855_GCC1: 0x%02x\n",
+ pci_read_config(sc->bdev, AGP_I855_GCC1, 1));
+}
+
+static void
+agp_i915_dump_regs(device_t dev)
+{
+ struct agp_i810_softc *sc = device_get_softc(dev);
+
+ device_printf(dev, "AGP_I810_PGTBL_CTL: %08x\n",
+ bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL));
+ device_printf(dev, "AGP_I855_GCC1: 0x%02x\n",
+ pci_read_config(sc->bdev, AGP_I855_GCC1, 1));
+ device_printf(dev, "AGP_I915_MSAC: 0x%02x\n",
+ pci_read_config(sc->bdev, AGP_I915_MSAC, 1));
+}
+
+static void
+agp_i965_dump_regs(device_t dev)
+{
+ struct agp_i810_softc *sc = device_get_softc(dev);
+
+ device_printf(dev, "AGP_I965_PGTBL_CTL2: %08x\n",
+ bus_read_4(sc->sc_res[0], AGP_I965_PGTBL_CTL2));
+ device_printf(dev, "AGP_I855_GCC1: 0x%02x\n",
+ pci_read_config(sc->bdev, AGP_I855_GCC1, 1));
+ device_printf(dev, "AGP_I965_MSAC: 0x%02x\n",
+ pci_read_config(sc->bdev, AGP_I965_MSAC, 1));
+}
+
+static void
+agp_sb_dump_regs(device_t dev)
+{
+ struct agp_i810_softc *sc = device_get_softc(dev);
+
+ device_printf(dev, "AGP_SNB_GFX_MODE: %08x\n",
+ bus_read_4(sc->sc_res[0], AGP_SNB_GFX_MODE));
+ device_printf(dev, "AGP_SNB_GCC1: 0x%04x\n",
+ pci_read_config(sc->bdev, AGP_SNB_GCC1, 2));
+}
+
+static int
+agp_i810_get_stolen_size(device_t dev)
+{
+ struct agp_i810_softc *sc;
+
+ sc = device_get_softc(dev);
+ sc->stolen = 0;
+ sc->stolen_size = 0;
+ return (0);
+}
+
+static int
+agp_i830_get_stolen_size(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ unsigned int gcc1;
+
+ sc = device_get_softc(dev);
+
+ gcc1 = pci_read_config(sc->bdev, AGP_I830_GCC1, 1);
+ switch (gcc1 & AGP_I830_GCC1_GMS) {
+ case AGP_I830_GCC1_GMS_STOLEN_512:
+ sc->stolen = (512 - 132) * 1024 / 4096;
+ sc->stolen_size = 512 * 1024;
break;
- case CHIP_I830:
- device_printf(dev, "AGP_I830_GCC1: 0x%02x\n",
- pci_read_config(sc->bdev, AGP_I830_GCC1, 1));
+ case AGP_I830_GCC1_GMS_STOLEN_1024:
+ sc->stolen = (1024 - 132) * 1024 / 4096;
+ sc->stolen_size = 1024 * 1024;
break;
+ case AGP_I830_GCC1_GMS_STOLEN_8192:
+ sc->stolen = (8192 - 132) * 1024 / 4096;
+ sc->stolen_size = 8192 * 1024;
+ break;
+ default:
+ sc->stolen = 0;
+ device_printf(dev,
+ "unknown memory configuration, disabling (GCC1 %x)\n",
+ gcc1);
+ return (EINVAL);
+ }
+ return (0);
+}
+
+static int
+agp_i915_get_stolen_size(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ unsigned int gcc1, stolen, gtt_size;
+
+ sc = device_get_softc(dev);
+
+ /*
+ * Stolen memory is set up at the beginning of the aperture by
+ * the BIOS, consisting of the GATT followed by 4kb for the
+ * BIOS display.
+ */
+ switch (sc->match->driver->chiptype) {
case CHIP_I855:
- device_printf(dev, "AGP_I855_GCC1: 0x%02x\n",
- pci_read_config(sc->bdev, AGP_I855_GCC1, 1));
+ gtt_size = 128;
break;
case CHIP_I915:
+ gtt_size = 256;
+ break;
case CHIP_I965:
+ switch (bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL) &
+ AGP_I810_PGTBL_SIZE_MASK) {
+ case AGP_I810_PGTBL_SIZE_128KB:
+ gtt_size = 128;
+ break;
+ case AGP_I810_PGTBL_SIZE_256KB:
+ gtt_size = 256;
+ break;
+ case AGP_I810_PGTBL_SIZE_512KB:
+ gtt_size = 512;
+ break;
+ case AGP_I965_PGTBL_SIZE_1MB:
+ gtt_size = 1024;
+ break;
+ case AGP_I965_PGTBL_SIZE_2MB:
+ gtt_size = 2048;
+ break;
+ case AGP_I965_PGTBL_SIZE_1_5MB:
+ gtt_size = 1024 + 512;
+ break;
+ default:
+ device_printf(dev, "Bad PGTBL size\n");
+ return (EINVAL);
+ }
+ break;
case CHIP_G33:
+ gcc1 = pci_read_config(sc->bdev, AGP_I855_GCC1, 2);
+ switch (gcc1 & AGP_G33_MGGC_GGMS_MASK) {
+ case AGP_G33_MGGC_GGMS_SIZE_1M:
+ gtt_size = 1024;
+ break;
+ case AGP_G33_MGGC_GGMS_SIZE_2M:
+ gtt_size = 2048;
+ break;
+ default:
+ device_printf(dev, "Bad PGTBL size\n");
+ return (EINVAL);
+ }
+ break;
case CHIP_IGD:
case CHIP_G4X:
- device_printf(dev, "AGP_I855_GCC1: 0x%02x\n",
- pci_read_config(sc->bdev, AGP_I855_GCC1, 1));
- device_printf(dev, "AGP_I915_MSAC: 0x%02x\n",
- pci_read_config(sc->bdev, AGP_I915_MSAC, 1));
+ gtt_size = 0;
break;
+ default:
+ device_printf(dev, "Bad chiptype\n");
+ return (EINVAL);
}
- device_printf(dev, "Aperture resource size: %d bytes\n",
- AGP_GET_APERTURE(dev));
+
+ /* GCC1 is called MGGC on i915+ */
+ gcc1 = pci_read_config(sc->bdev, AGP_I855_GCC1, 1);
+ switch (gcc1 & AGP_I855_GCC1_GMS) {
+ case AGP_I855_GCC1_GMS_STOLEN_1M:
+ stolen = 1024;
+ break;
+ case AGP_I855_GCC1_GMS_STOLEN_4M:
+ stolen = 4 * 1024;
+ break;
+ case AGP_I855_GCC1_GMS_STOLEN_8M:
+ stolen = 8 * 1024;
+ break;
+ case AGP_I855_GCC1_GMS_STOLEN_16M:
+ stolen = 16 * 1024;
+ break;
+ case AGP_I855_GCC1_GMS_STOLEN_32M:
+ stolen = 32 * 1024;
+ break;
+ case AGP_I915_GCC1_GMS_STOLEN_48M:
+ stolen = sc->match->driver->gen > 2 ? 48 * 1024 : 0;
+ break;
+ case AGP_I915_GCC1_GMS_STOLEN_64M:
+ stolen = sc->match->driver->gen > 2 ? 64 * 1024 : 0;
+ break;
+ case AGP_G33_GCC1_GMS_STOLEN_128M:
+ stolen = sc->match->driver->gen > 2 ? 128 * 1024 : 0;
+ break;
+ case AGP_G33_GCC1_GMS_STOLEN_256M:
+ stolen = sc->match->driver->gen > 2 ? 256 * 1024 : 0;
+ break;
+ case AGP_G4X_GCC1_GMS_STOLEN_96M:
+ if (sc->match->driver->chiptype == CHIP_I965 ||
+ sc->match->driver->chiptype == CHIP_G4X)
+ stolen = 96 * 1024;
+ else
+ stolen = 0;
+ break;
+ case AGP_G4X_GCC1_GMS_STOLEN_160M:
+ if (sc->match->driver->chiptype == CHIP_I965 ||
+ sc->match->driver->chiptype == CHIP_G4X)
+ stolen = 160 * 1024;
+ else
+ stolen = 0;
+ break;
+ case AGP_G4X_GCC1_GMS_STOLEN_224M:
+ if (sc->match->driver->chiptype == CHIP_I965 ||
+ sc->match->driver->chiptype == CHIP_G4X)
+ stolen = 224 * 1024;
+ else
+ stolen = 0;
+ break;
+ case AGP_G4X_GCC1_GMS_STOLEN_352M:
+ if (sc->match->driver->chiptype == CHIP_I965 ||
+ sc->match->driver->chiptype == CHIP_G4X)
+ stolen = 352 * 1024;
+ else
+ stolen = 0;
+ break;
+ default:
+ device_printf(dev,
+ "unknown memory configuration, disabling (GCC1 %x)\n",
+ gcc1);
+ return (EINVAL);
+ }
+
+ gtt_size += 4;
+ sc->stolen_size = stolen * 1024;
+ sc->stolen = (stolen - gtt_size) * 1024 / 4096;
+
+ return (0);
}
static int
-agp_i810_attach(device_t dev)
+agp_sb_get_stolen_size(device_t dev)
{
- struct agp_i810_softc *sc = device_get_softc(dev);
- struct agp_gatt *gatt;
- const struct agp_i810_match *match;
- int error;
+ struct agp_i810_softc *sc;
+ uint16_t gmch_ctl;
- sc->bdev = agp_i810_find_bridge(dev);
- if (!sc->bdev)
- return ENOENT;
+ sc = device_get_softc(dev);
+ gmch_ctl = pci_read_config(sc->bdev, AGP_SNB_GCC1, 2);
+ switch (gmch_ctl & AGP_SNB_GMCH_GMS_STOLEN_MASK) {
+ case AGP_SNB_GMCH_GMS_STOLEN_32M:
+ sc->stolen_size = 32 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_64M:
+ sc->stolen_size = 64 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_96M:
+ sc->stolen_size = 96 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_128M:
+ sc->stolen_size = 128 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_160M:
+ sc->stolen_size = 160 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_192M:
+ sc->stolen_size = 192 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_224M:
+ sc->stolen_size = 224 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_256M:
+ sc->stolen_size = 256 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_288M:
+ sc->stolen_size = 288 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_320M:
+ sc->stolen_size = 320 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_352M:
+ sc->stolen_size = 352 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_384M:
+ sc->stolen_size = 384 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_416M:
+ sc->stolen_size = 416 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_448M:
+ sc->stolen_size = 448 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_480M:
+ sc->stolen_size = 480 * 1024 * 1024;
+ break;
+ case AGP_SNB_GMCH_GMS_STOLEN_512M:
+ sc->stolen_size = 512 * 1024 * 1024;
+ break;
+ }
+ sc->stolen = (sc->stolen_size - 4) / 4096;
+ return (0);
+}
- match = agp_i810_match(dev);
- sc->chiptype = match->chiptype;
+static int
+agp_i810_get_gtt_mappable_entries(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ uint32_t ap;
+ uint16_t miscc;
- switch (sc->chiptype) {
- case CHIP_I810:
- case CHIP_I830:
- case CHIP_I855:
- sc->sc_res_spec = agp_i810_res_spec;
- agp_set_aperture_resource(dev, AGP_APBASE);
+ sc = device_get_softc(dev);
+ miscc = pci_read_config(sc->bdev, AGP_I810_MISCC, 2);
+ if ((miscc & AGP_I810_MISCC_WINSIZE) == AGP_I810_MISCC_WINSIZE_32)
+ ap = 32;
+ else
+ ap = 64;
+ sc->gtt_mappable_entries = (ap * 1024 * 1024) >> AGP_PAGE_SHIFT;
+ return (0);
+}
+
+static int
+agp_i830_get_gtt_mappable_entries(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ uint32_t ap;
+ uint16_t gmch_ctl;
+
+ sc = device_get_softc(dev);
+ gmch_ctl = pci_read_config(sc->bdev, AGP_I830_GCC1, 2);
+ if ((gmch_ctl & AGP_I830_GCC1_GMASIZE) == AGP_I830_GCC1_GMASIZE_64)
+ ap = 64;
+ else
+ ap = 128;
+ sc->gtt_mappable_entries = (ap * 1024 * 1024) >> AGP_PAGE_SHIFT;
+ return (0);
+}
+
+static int
+agp_i915_get_gtt_mappable_entries(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ uint32_t ap;
+
+ sc = device_get_softc(dev);
+ ap = AGP_GET_APERTURE(dev);
+ sc->gtt_mappable_entries = ap >> AGP_PAGE_SHIFT;
+ return (0);
+}
+
+static int
+agp_i810_get_gtt_total_entries(device_t dev)
+{
+ struct agp_i810_softc *sc;
+
+ sc = device_get_softc(dev);
+ sc->gtt_total_entries = sc->gtt_mappable_entries;
+ return (0);
+}
+
+static int
+agp_i965_get_gtt_total_entries(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ uint32_t pgetbl_ctl;
+ int error;
+
+ sc = device_get_softc(dev);
+ error = 0;
+ pgetbl_ctl = bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL);
+ switch (pgetbl_ctl & AGP_I810_PGTBL_SIZE_MASK) {
+ case AGP_I810_PGTBL_SIZE_128KB:
+ sc->gtt_total_entries = 128 * 1024 / 4;
break;
- case CHIP_I915:
- case CHIP_G33:
- case CHIP_IGD:
- sc->sc_res_spec = agp_i915_res_spec;
- agp_set_aperture_resource(dev, AGP_I915_GMADR);
+ case AGP_I810_PGTBL_SIZE_256KB:
+ sc->gtt_total_entries = 256 * 1024 / 4;
break;
- case CHIP_I965:
- case CHIP_G4X:
- sc->sc_res_spec = agp_i965_res_spec;
- agp_set_aperture_resource(dev, AGP_I915_GMADR);
+ case AGP_I810_PGTBL_SIZE_512KB:
+ sc->gtt_total_entries = 512 * 1024 / 4;
+ break;
+ /* GTT pagetable sizes bigger than 512KB are not possible on G33! */
+ case AGP_I810_PGTBL_SIZE_1MB:
+ sc->gtt_total_entries = 1024 * 1024 / 4;
+ break;
+ case AGP_I810_PGTBL_SIZE_2MB:
+ sc->gtt_total_entries = 2 * 1024 * 1024 / 4;
+ break;
+ case AGP_I810_PGTBL_SIZE_1_5MB:
+ sc->gtt_total_entries = (1024 + 512) * 1024 / 4;
break;
+ default:
+ device_printf(dev, "Unknown page table size\n");
+ error = ENXIO;
}
+ return (error);
+}
- error = agp_generic_attach(dev);
- if (error)
- return error;
+static void
+agp_gen5_adjust_pgtbl_size(device_t dev, uint32_t sz)
+{
+ struct agp_i810_softc *sc;
+ uint32_t pgetbl_ctl, pgetbl_ctl2;
- if (sc->chiptype != CHIP_I965 && sc->chiptype != CHIP_G33 &&
- sc->chiptype != CHIP_IGD && sc->chiptype != CHIP_G4X &&
- ptoa((vm_paddr_t)Maxmem) > 0xfffffffful)
- {
- device_printf(dev, "agp_i810.c does not support physical "
- "memory above 4GB.\n");
- return ENOENT;
+ sc = device_get_softc(dev);
+
+ /* Disable per-process page table. */
+ pgetbl_ctl2 = bus_read_4(sc->sc_res[0], AGP_I965_PGTBL_CTL2);
+ pgetbl_ctl2 &= ~AGP_I810_PGTBL_ENABLED;
+ bus_write_4(sc->sc_res[0], AGP_I965_PGTBL_CTL2, pgetbl_ctl2);
+
+ /* Write the new ggtt size. */
+ pgetbl_ctl = bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL);
+ pgetbl_ctl &= ~AGP_I810_PGTBL_SIZE_MASK;
+ pgetbl_ctl |= sz;
+ bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL, pgetbl_ctl);
+}
+
+static int
+agp_gen5_get_gtt_total_entries(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ uint16_t gcc1;
+
+ sc = device_get_softc(dev);
+
+ gcc1 = pci_read_config(sc->bdev, AGP_I830_GCC1, 2);
+ switch (gcc1 & AGP_G4x_GCC1_SIZE_MASK) {
+ case AGP_G4x_GCC1_SIZE_1M:
+ case AGP_G4x_GCC1_SIZE_VT_1M:
+ agp_gen5_adjust_pgtbl_size(dev, AGP_I810_PGTBL_SIZE_1MB);
+ break;
+ case AGP_G4x_GCC1_SIZE_VT_1_5M:
+ agp_gen5_adjust_pgtbl_size(dev, AGP_I810_PGTBL_SIZE_1_5MB);
+ break;
+ case AGP_G4x_GCC1_SIZE_2M:
+ case AGP_G4x_GCC1_SIZE_VT_2M:
+ agp_gen5_adjust_pgtbl_size(dev, AGP_I810_PGTBL_SIZE_2MB);
+ break;
+ default:
+ device_printf(dev, "Unknown page table size\n");
+ return (ENXIO);
}
- if (bus_alloc_resources(dev, sc->sc_res_spec, sc->sc_res)) {
- agp_generic_detach(dev);
- return ENODEV;
+ return (agp_i965_get_gtt_total_entries(dev));
+}
+
+static int
+agp_sb_get_gtt_total_entries(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ uint16_t gcc1;
+
+ sc = device_get_softc(dev);
+
+ gcc1 = pci_read_config(sc->bdev, AGP_SNB_GCC1, 2);
+ switch (gcc1 & AGP_SNB_GTT_SIZE_MASK) {
+ default:
+ case AGP_SNB_GTT_SIZE_0M:
+ printf("Bad GTT size mask: 0x%04x\n", gcc1);
+ return (ENXIO);
+ case AGP_SNB_GTT_SIZE_1M:
+ sc->gtt_total_entries = 1024 * 1024 / 4;
+ break;
+ case AGP_SNB_GTT_SIZE_2M:
+ sc->gtt_total_entries = 2 * 1024 * 1024 / 4;
+ break;
}
+ return (0);
+}
- sc->initial_aperture = AGP_GET_APERTURE(dev);
+static int
+agp_i810_install_gatt(device_t dev)
+{
+ struct agp_i810_softc *sc;
- gatt = malloc( sizeof(struct agp_gatt), M_AGP, M_NOWAIT);
- if (!gatt) {
- bus_release_resources(dev, sc->sc_res_spec, sc->sc_res);
- agp_generic_detach(dev);
- return ENOMEM;
+ sc = device_get_softc(dev);
+
+ /* Some i810s have on-chip memory called dcache. */
+ if ((bus_read_1(sc->sc_res[0], AGP_I810_DRT) & AGP_I810_DRT_POPULATED)
+ != 0)
+ sc->dcache_size = 4 * 1024 * 1024;
+ else
+ sc->dcache_size = 0;
+
+ /* According to the specs the gatt on the i810 must be 64k. */
+ sc->gatt->ag_virtual = contigmalloc(64 * 1024, M_AGP, 0, 0, ~0,
+ PAGE_SIZE, 0);
+ if (sc->gatt->ag_virtual == NULL) {
+ if (bootverbose)
+ device_printf(dev, "contiguous allocation failed\n");
+ return (ENOMEM);
}
- sc->gatt = gatt;
- gatt->ag_entries = AGP_GET_APERTURE(dev) >> AGP_PAGE_SHIFT;
+ bzero(sc->gatt->ag_virtual, sc->gatt->ag_entries * sizeof(u_int32_t));
+ sc->gatt->ag_physical = vtophys((vm_offset_t)sc->gatt->ag_virtual);
+ agp_flush_cache();
+ /* Install the GATT. */
+ bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL,
+ sc->gatt->ag_physical | 1);
+ return (0);
+}
- if ( sc->chiptype == CHIP_I810 ) {
- /* Some i810s have on-chip memory called dcache */
- if (bus_read_1(sc->sc_res[0], AGP_I810_DRT) &
- AGP_I810_DRT_POPULATED)
- sc->dcache_size = 4 * 1024 * 1024;
- else
- sc->dcache_size = 0;
-
- /* According to the specs the gatt on the i810 must be 64k */
- gatt->ag_virtual = contigmalloc( 64 * 1024, M_AGP, 0,
- 0, ~0, PAGE_SIZE, 0);
- if (!gatt->ag_virtual) {
- if (bootverbose)
- device_printf(dev, "contiguous allocation failed\n");
- bus_release_resources(dev, sc->sc_res_spec,
- sc->sc_res);
- free(gatt, M_AGP);
- agp_generic_detach(dev);
- return ENOMEM;
- }
- bzero(gatt->ag_virtual, gatt->ag_entries * sizeof(u_int32_t));
-
- gatt->ag_physical = vtophys((vm_offset_t) gatt->ag_virtual);
- agp_flush_cache();
- /* Install the GATT. */
- bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL,
- gatt->ag_physical | 1);
- } else if ( sc->chiptype == CHIP_I830 ) {
- /* The i830 automatically initializes the 128k gatt on boot. */
- unsigned int gcc1, pgtblctl;
-
- gcc1 = pci_read_config(sc->bdev, AGP_I830_GCC1, 1);
- switch (gcc1 & AGP_I830_GCC1_GMS) {
- case AGP_I830_GCC1_GMS_STOLEN_512:
- sc->stolen = (512 - 132) * 1024 / 4096;
- break;
- case AGP_I830_GCC1_GMS_STOLEN_1024:
- sc->stolen = (1024 - 132) * 1024 / 4096;
- break;
- case AGP_I830_GCC1_GMS_STOLEN_8192:
- sc->stolen = (8192 - 132) * 1024 / 4096;
- break;
- default:
- sc->stolen = 0;
- device_printf(dev, "unknown memory configuration, disabling\n");
- bus_release_resources(dev, sc->sc_res_spec,
- sc->sc_res);
- free(gatt, M_AGP);
- agp_generic_detach(dev);
- return EINVAL;
- }
+static int
+agp_i830_install_gatt(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ uint32_t pgtblctl;
- /* GATT address is already in there, make sure it's enabled */
- pgtblctl = bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL);
- pgtblctl |= 1;
- bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL, pgtblctl);
+ sc = device_get_softc(dev);
- gatt->ag_physical = pgtblctl & ~1;
- } else if (sc->chiptype == CHIP_I855 || sc->chiptype == CHIP_I915 ||
- sc->chiptype == CHIP_I965 || sc->chiptype == CHIP_G33 ||
- sc->chiptype == CHIP_IGD || sc->chiptype == CHIP_G4X) {
- unsigned int gcc1, pgtblctl, stolen, gtt_size;
+ /*
+ * The i830 automatically initializes the 128k gatt on boot.
+ * GATT address is already in there, make sure it's enabled.
+ */
+ pgtblctl = bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL);
+ pgtblctl |= 1;
+ bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL, pgtblctl);
+
+ sc->gatt->ag_physical = pgtblctl & ~1;
+ return (0);
+}
- /* Stolen memory is set up at the beginning of the aperture by
- * the BIOS, consisting of the GATT followed by 4kb for the
- * BIOS display.
- */
- switch (sc->chiptype) {
- case CHIP_I855:
- gtt_size = 128;
- break;
- case CHIP_I915:
- gtt_size = 256;
- break;
- case CHIP_I965:
- switch (bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL) &
- AGP_I810_PGTBL_SIZE_MASK) {
- case AGP_I810_PGTBL_SIZE_128KB:
- gtt_size = 128;
- break;
- case AGP_I810_PGTBL_SIZE_256KB:
- gtt_size = 256;
- break;
- case AGP_I810_PGTBL_SIZE_512KB:
- gtt_size = 512;
- break;
- case AGP_I965_PGTBL_SIZE_1MB:
- gtt_size = 1024;
- break;
- case AGP_I965_PGTBL_SIZE_2MB:
- gtt_size = 2048;
- break;
- case AGP_I965_PGTBL_SIZE_1_5MB:
- gtt_size = 1024 + 512;
- break;
- default:
- device_printf(dev, "Bad PGTBL size\n");
- bus_release_resources(dev, sc->sc_res_spec,
- sc->sc_res);
- free(gatt, M_AGP);
- agp_generic_detach(dev);
- return EINVAL;
- }
- break;
- case CHIP_G33:
- gcc1 = pci_read_config(sc->bdev, AGP_I855_GCC1, 2);
- switch (gcc1 & AGP_G33_MGGC_GGMS_MASK) {
- case AGP_G33_MGGC_GGMS_SIZE_1M:
- gtt_size = 1024;
- break;
- case AGP_G33_MGGC_GGMS_SIZE_2M:
- gtt_size = 2048;
- break;
- default:
- device_printf(dev, "Bad PGTBL size\n");
- bus_release_resources(dev, sc->sc_res_spec,
- sc->sc_res);
- free(gatt, M_AGP);
- agp_generic_detach(dev);
- return EINVAL;
- }
- break;
- case CHIP_IGD:
- case CHIP_G4X:
- gtt_size = 0;
- break;
- default:
- device_printf(dev, "Bad chiptype\n");
- bus_release_resources(dev, sc->sc_res_spec,
- sc->sc_res);
- free(gatt, M_AGP);
- agp_generic_detach(dev);
- return EINVAL;
- }
+static int
+agp_i810_attach(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ int error;
- /* GCC1 is called MGGC on i915+ */
- gcc1 = pci_read_config(sc->bdev, AGP_I855_GCC1, 1);
- switch (gcc1 & AGP_I855_GCC1_GMS) {
- case AGP_I855_GCC1_GMS_STOLEN_1M:
- stolen = 1024;
- break;
- case AGP_I855_GCC1_GMS_STOLEN_4M:
- stolen = 4 * 1024;
- break;
- case AGP_I855_GCC1_GMS_STOLEN_8M:
- stolen = 8 * 1024;
- break;
- case AGP_I855_GCC1_GMS_STOLEN_16M:
- stolen = 16 * 1024;
- break;
- case AGP_I855_GCC1_GMS_STOLEN_32M:
- stolen = 32 * 1024;
- break;
- case AGP_I915_GCC1_GMS_STOLEN_48M:
- if (sc->chiptype == CHIP_I915 ||
- sc->chiptype == CHIP_I965 ||
- sc->chiptype == CHIP_G33 ||
- sc->chiptype == CHIP_IGD ||
- sc->chiptype == CHIP_G4X) {
- stolen = 48 * 1024;
- } else {
- stolen = 0;
- }
- break;
- case AGP_I915_GCC1_GMS_STOLEN_64M:
- if (sc->chiptype == CHIP_I915 ||
- sc->chiptype == CHIP_I965 ||
- sc->chiptype == CHIP_G33 ||
- sc->chiptype == CHIP_IGD ||
- sc->chiptype == CHIP_G4X) {
- stolen = 64 * 1024;
- } else {
- stolen = 0;
- }
- break;
- case AGP_G33_GCC1_GMS_STOLEN_128M:
- if (sc->chiptype == CHIP_I965 ||
- sc->chiptype == CHIP_G33 ||
- sc->chiptype == CHIP_IGD ||
- sc->chiptype == CHIP_G4X) {
- stolen = 128 * 1024;
- } else {
- stolen = 0;
- }
- break;
- case AGP_G33_GCC1_GMS_STOLEN_256M:
- if (sc->chiptype == CHIP_I965 ||
- sc->chiptype == CHIP_G33 ||
- sc->chiptype == CHIP_IGD ||
- sc->chiptype == CHIP_G4X) {
- stolen = 256 * 1024;
- } else {
- stolen = 0;
- }
- break;
- case AGP_G4X_GCC1_GMS_STOLEN_96M:
- if (sc->chiptype == CHIP_I965 ||
- sc->chiptype == CHIP_G4X) {
- stolen = 96 * 1024;
- } else {
- stolen = 0;
- }
- break;
- case AGP_G4X_GCC1_GMS_STOLEN_160M:
- if (sc->chiptype == CHIP_I965 ||
- sc->chiptype == CHIP_G4X) {
- stolen = 160 * 1024;
- } else {
- stolen = 0;
- }
- break;
- case AGP_G4X_GCC1_GMS_STOLEN_224M:
- if (sc->chiptype == CHIP_I965 ||
- sc->chiptype == CHIP_G4X) {
- stolen = 224 * 1024;
- } else {
- stolen = 0;
- }
- break;
- case AGP_G4X_GCC1_GMS_STOLEN_352M:
- if (sc->chiptype == CHIP_I965 ||
- sc->chiptype == CHIP_G4X) {
- stolen = 352 * 1024;
- } else {
- stolen = 0;
- }
- break;
- default:
- device_printf(dev, "unknown memory configuration, "
- "disabling\n");
- bus_release_resources(dev, sc->sc_res_spec,
- sc->sc_res);
- free(gatt, M_AGP);
- agp_generic_detach(dev);
- return EINVAL;
- }
+ sc = device_get_softc(dev);
+ sc->bdev = agp_i810_find_bridge(dev);
+ if (sc->bdev == NULL)
+ return (ENOENT);
- gtt_size += 4;
+ sc->match = agp_i810_match(dev);
- sc->stolen = (stolen - gtt_size) * 1024 / 4096;
+ agp_set_aperture_resource(dev, sc->match->driver->gen <= 2 ?
+ AGP_APBASE : AGP_I915_GMADR);
+ error = agp_generic_attach(dev);
+ if (error)
+ return (error);
+
+ if (ptoa((vm_paddr_t)Maxmem) >
+ (1ULL << sc->match->driver->busdma_addr_mask_sz) - 1) {
+ device_printf(dev, "agp_i810 does not support physical "
+ "memory above %ju.\n", (uintmax_t)(1ULL <<
+ sc->match->driver->busdma_addr_mask_sz) - 1);
+ return (ENOENT);
+ }
- /* GATT address is already in there, make sure it's enabled */
- pgtblctl = bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL);
- pgtblctl |= 1;
- bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL, pgtblctl);
+ if (bus_alloc_resources(dev, sc->match->driver->res_spec, sc->sc_res)) {
+ agp_generic_detach(dev);
+ return (ENODEV);
+ }
- gatt->ag_physical = pgtblctl & ~1;
+ sc->initial_aperture = AGP_GET_APERTURE(dev);
+ sc->gatt = malloc(sizeof(struct agp_gatt), M_AGP, M_WAITOK);
+ sc->gatt->ag_entries = AGP_GET_APERTURE(dev) >> AGP_PAGE_SHIFT;
+
+ if ((error = sc->match->driver->get_stolen_size(dev)) != 0 ||
+ (error = sc->match->driver->install_gatt(dev)) != 0 ||
+ (error = sc->match->driver->get_gtt_mappable_entries(dev)) != 0 ||
+ (error = sc->match->driver->get_gtt_total_entries(dev)) != 0 ||
+ (error = sc->match->driver->chipset_flush_setup(dev)) != 0) {
+ bus_release_resources(dev, sc->match->driver->res_spec,
+ sc->sc_res);
+ free(sc->gatt, M_AGP);
+ agp_generic_detach(dev);
+ return (error);
}
+ intel_agp = dev;
device_printf(dev, "aperture size is %dM",
sc->initial_aperture / 1024 / 1024);
if (sc->stolen > 0)
printf(", detected %dk stolen memory\n", sc->stolen * 4);
else
printf("\n");
+ if (bootverbose) {
+ sc->match->driver->dump_regs(dev);
+ device_printf(dev, "Mappable GTT entries: %d\n",
+ sc->gtt_mappable_entries);
+ device_printf(dev, "Total GTT entries: %d\n",
+ sc->gtt_total_entries);
+ }
+ return (0);
+}
- if (0)
- agp_i810_dump_regs(dev);
+static void
+agp_i810_deinstall_gatt(device_t dev)
+{
+ struct agp_i810_softc *sc;
- return 0;
+ sc = device_get_softc(dev);
+ bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL, 0);
+ contigfree(sc->gatt->ag_virtual, 64 * 1024, M_AGP);
+}
+
+static void
+agp_i830_deinstall_gatt(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ unsigned int pgtblctl;
+
+ sc = device_get_softc(dev);
+ pgtblctl = bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL);
+ pgtblctl &= ~1;
+ bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL, pgtblctl);
}
static int
agp_i810_detach(device_t dev)
{
- struct agp_i810_softc *sc = device_get_softc(dev);
+ struct agp_i810_softc *sc;
+ sc = device_get_softc(dev);
agp_free_cdev(dev);
/* Clear the GATT base. */
- if ( sc->chiptype == CHIP_I810 ) {
- bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL, 0);
- } else {
- unsigned int pgtblctl;
- pgtblctl = bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL);
- pgtblctl &= ~1;
- bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL, pgtblctl);
- }
+ sc->match->driver->deinstall_gatt(dev);
+
+ sc->match->driver->chipset_flush_teardown(dev);
/* Put the aperture back the way it started. */
AGP_SET_APERTURE(dev, sc->initial_aperture);
- if ( sc->chiptype == CHIP_I810 ) {
- contigfree(sc->gatt->ag_virtual, 64 * 1024, M_AGP);
- }
free(sc->gatt, M_AGP);
-
- bus_release_resources(dev, sc->sc_res_spec, sc->sc_res);
+ bus_release_resources(dev, sc->match->driver->res_spec, sc->sc_res);
agp_free_res(dev);
- return 0;
+ return (0);
}
static int
@@ -758,143 +1557,338 @@ agp_i810_resume(device_t dev)
static int
agp_i810_set_aperture(device_t dev, u_int32_t aperture)
{
- struct agp_i810_softc *sc = device_get_softc(dev);
- u_int16_t miscc, gcc1;
+ struct agp_i810_softc *sc;
+ u_int16_t miscc;
- switch (sc->chiptype) {
- case CHIP_I810:
- /*
- * Double check for sanity.
- */
- if (aperture != 32 * 1024 * 1024 && aperture != 64 * 1024 * 1024) {
- device_printf(dev, "bad aperture size %d\n", aperture);
- return EINVAL;
- }
+ sc = device_get_softc(dev);
+ /*
+ * Double check for sanity.
+ */
+ if (aperture != 32 * 1024 * 1024 && aperture != 64 * 1024 * 1024) {
+ device_printf(dev, "bad aperture size %d\n", aperture);
+ return (EINVAL);
+ }
- miscc = pci_read_config(sc->bdev, AGP_I810_MISCC, 2);
- miscc &= ~AGP_I810_MISCC_WINSIZE;
- if (aperture == 32 * 1024 * 1024)
- miscc |= AGP_I810_MISCC_WINSIZE_32;
- else
- miscc |= AGP_I810_MISCC_WINSIZE_64;
+ miscc = pci_read_config(sc->bdev, AGP_I810_MISCC, 2);
+ miscc &= ~AGP_I810_MISCC_WINSIZE;
+ if (aperture == 32 * 1024 * 1024)
+ miscc |= AGP_I810_MISCC_WINSIZE_32;
+ else
+ miscc |= AGP_I810_MISCC_WINSIZE_64;
- pci_write_config(sc->bdev, AGP_I810_MISCC, miscc, 2);
- break;
- case CHIP_I830:
- if (aperture != 64 * 1024 * 1024 &&
- aperture != 128 * 1024 * 1024) {
- device_printf(dev, "bad aperture size %d\n", aperture);
- return EINVAL;
- }
- gcc1 = pci_read_config(sc->bdev, AGP_I830_GCC1, 2);
- gcc1 &= ~AGP_I830_GCC1_GMASIZE;
- if (aperture == 64 * 1024 * 1024)
- gcc1 |= AGP_I830_GCC1_GMASIZE_64;
- else
- gcc1 |= AGP_I830_GCC1_GMASIZE_128;
+ pci_write_config(sc->bdev, AGP_I810_MISCC, miscc, 2);
+ return (0);
+}
- pci_write_config(sc->bdev, AGP_I830_GCC1, gcc1, 2);
- break;
- case CHIP_I855:
- case CHIP_I915:
- case CHIP_I965:
- case CHIP_G33:
- case CHIP_IGD:
- case CHIP_G4X:
- return agp_generic_set_aperture(dev, aperture);
+static int
+agp_i830_set_aperture(device_t dev, u_int32_t aperture)
+{
+ struct agp_i810_softc *sc;
+ u_int16_t gcc1;
+
+ sc = device_get_softc(dev);
+
+ if (aperture != 64 * 1024 * 1024 &&
+ aperture != 128 * 1024 * 1024) {
+ device_printf(dev, "bad aperture size %d\n", aperture);
+ return (EINVAL);
}
+ gcc1 = pci_read_config(sc->bdev, AGP_I830_GCC1, 2);
+ gcc1 &= ~AGP_I830_GCC1_GMASIZE;
+ if (aperture == 64 * 1024 * 1024)
+ gcc1 |= AGP_I830_GCC1_GMASIZE_64;
+ else
+ gcc1 |= AGP_I830_GCC1_GMASIZE_128;
+
+ pci_write_config(sc->bdev, AGP_I830_GCC1, gcc1, 2);
+ return (0);
+}
+
+static int
+agp_i915_set_aperture(device_t dev, u_int32_t aperture)
+{
+
+ return (agp_generic_set_aperture(dev, aperture));
+}
+
+static int
+agp_i810_method_set_aperture(device_t dev, u_int32_t aperture)
+{
+ struct agp_i810_softc *sc;
- return 0;
+ sc = device_get_softc(dev);
+ return (sc->match->driver->set_aperture(dev, aperture));
}
/**
- * Writes a GTT entry mapping the page at the given offset from the beginning
- * of the aperture to the given physical address.
+ * Writes a GTT entry mapping the page at the given offset from the
+ * beginning of the aperture to the given physical address. Setup the
+ * caching mode according to flags.
+ *
+ * For gen 1, 2 and 3, GTT start is located at AGP_I810_GTT offset
+ * from corresponding BAR start. For gen 4, offset is 512KB +
+ * AGP_I810_GTT, for gen 5 and 6 it is 2MB + AGP_I810_GTT.
+ *
+ * Also, the bits of the physical page address above 4GB needs to be
+ * placed into bits 40-32 of PTE.
*/
static void
-agp_i810_write_gtt_entry(device_t dev, int offset, vm_offset_t physical,
- int enabled)
+agp_i810_install_gtt_pte(device_t dev, u_int index, vm_offset_t physical,
+ int flags)
{
- struct agp_i810_softc *sc = device_get_softc(dev);
- u_int32_t pte;
+ uint32_t pte;
+
+ pte = (u_int32_t)physical | I810_PTE_VALID;
+ if (flags == AGP_DCACHE_MEMORY)
+ pte |= I810_PTE_LOCAL;
+ else if (flags == AGP_USER_CACHED_MEMORY)
+ pte |= I830_PTE_SYSTEM_CACHED;
+ agp_i810_write_gtt(dev, index, pte);
+}
- pte = (u_int32_t)physical | 1;
- if (sc->chiptype == CHIP_I965 || sc->chiptype == CHIP_G33 ||
- sc->chiptype == CHIP_IGD || sc->chiptype == CHIP_G4X) {
- pte |= (physical & 0x0000000f00000000ull) >> 28;
- } else {
- /* If we do actually have memory above 4GB on an older system,
- * crash cleanly rather than scribble on system memory,
- * so we know we need to fix it.
- */
- KASSERT((pte & 0x0000000f00000000ull) == 0,
- (">4GB physical address in agp"));
- }
+static void
+agp_i810_write_gtt(device_t dev, u_int index, uint32_t pte)
+{
+ struct agp_i810_softc *sc;
- switch (sc->chiptype) {
- case CHIP_I810:
- case CHIP_I830:
- case CHIP_I855:
- bus_write_4(sc->sc_res[0],
- AGP_I810_GTT + (offset >> AGP_PAGE_SHIFT) * 4, pte);
- break;
- case CHIP_I915:
- case CHIP_G33:
- case CHIP_IGD:
- bus_write_4(sc->sc_res[1],
- (offset >> AGP_PAGE_SHIFT) * 4, pte);
- break;
- case CHIP_I965:
- bus_write_4(sc->sc_res[0],
- (offset >> AGP_PAGE_SHIFT) * 4 + (512 * 1024), pte);
- break;
- case CHIP_G4X:
- bus_write_4(sc->sc_res[0],
- (offset >> AGP_PAGE_SHIFT) * 4 + (2 * 1024 * 1024), pte);
- break;
- }
+ sc = device_get_softc(dev);
+ bus_write_4(sc->sc_res[0], AGP_I810_GTT + index * 4, pte);
+ CTR2(KTR_AGP_I810, "810_pte %x %x", index, pte);
+}
+
+static void
+agp_i830_install_gtt_pte(device_t dev, u_int index, vm_offset_t physical,
+ int flags)
+{
+ uint32_t pte;
+
+ pte = (u_int32_t)physical | I810_PTE_VALID;
+ if (flags == AGP_USER_CACHED_MEMORY)
+ pte |= I830_PTE_SYSTEM_CACHED;
+ agp_i810_write_gtt(dev, index, pte);
+}
+
+static void
+agp_i915_install_gtt_pte(device_t dev, u_int index, vm_offset_t physical,
+ int flags)
+{
+ uint32_t pte;
+
+ pte = (u_int32_t)physical | I810_PTE_VALID;
+ if (flags == AGP_USER_CACHED_MEMORY)
+ pte |= I830_PTE_SYSTEM_CACHED;
+ pte |= (physical & 0x0000000f00000000ull) >> 28;
+ agp_i915_write_gtt(dev, index, pte);
+}
+
+static void
+agp_i915_write_gtt(device_t dev, u_int index, uint32_t pte)
+{
+ struct agp_i810_softc *sc;
+
+ sc = device_get_softc(dev);
+ bus_write_4(sc->sc_res[1], index * 4, pte);
+ CTR2(KTR_AGP_I810, "915_pte %x %x", index, pte);
+}
+
+static void
+agp_i965_install_gtt_pte(device_t dev, u_int index, vm_offset_t physical,
+ int flags)
+{
+ uint32_t pte;
+
+ pte = (u_int32_t)physical | I810_PTE_VALID;
+ if (flags == AGP_USER_CACHED_MEMORY)
+ pte |= I830_PTE_SYSTEM_CACHED;
+ pte |= (physical & 0x0000000f00000000ull) >> 28;
+ agp_i965_write_gtt(dev, index, pte);
+}
+
+static void
+agp_i965_write_gtt(device_t dev, u_int index, uint32_t pte)
+{
+ struct agp_i810_softc *sc;
+
+ sc = device_get_softc(dev);
+ bus_write_4(sc->sc_res[0], index * 4 + (512 * 1024), pte);
+ CTR2(KTR_AGP_I810, "965_pte %x %x", index, pte);
+}
+
+static void
+agp_g4x_install_gtt_pte(device_t dev, u_int index, vm_offset_t physical,
+ int flags)
+{
+ uint32_t pte;
+
+ pte = (u_int32_t)physical | I810_PTE_VALID;
+ if (flags == AGP_USER_CACHED_MEMORY)
+ pte |= I830_PTE_SYSTEM_CACHED;
+ pte |= (physical & 0x0000000f00000000ull) >> 28;
+ agp_g4x_write_gtt(dev, index, pte);
+}
+
+static void
+agp_g4x_write_gtt(device_t dev, u_int index, uint32_t pte)
+{
+ struct agp_i810_softc *sc;
+
+ sc = device_get_softc(dev);
+ bus_write_4(sc->sc_res[0], index * 4 + (2 * 1024 * 1024), pte);
+ CTR2(KTR_AGP_I810, "g4x_pte %x %x", index, pte);
+}
+
+static void
+agp_sb_install_gtt_pte(device_t dev, u_int index, vm_offset_t physical,
+ int flags)
+{
+ int type_mask, gfdt;
+ uint32_t pte;
+
+ pte = (u_int32_t)physical | I810_PTE_VALID;
+ type_mask = flags & ~AGP_USER_CACHED_MEMORY_GFDT;
+ gfdt = (flags & AGP_USER_CACHED_MEMORY_GFDT) != 0 ? GEN6_PTE_GFDT : 0;
+
+ if (type_mask == AGP_USER_MEMORY)
+ pte |= GEN6_PTE_UNCACHED;
+ else if (type_mask == AGP_USER_CACHED_MEMORY_LLC_MLC)
+ pte |= GEN6_PTE_LLC_MLC | gfdt;
+ else
+ pte |= GEN6_PTE_LLC | gfdt;
+
+ pte |= (physical & 0x000000ff00000000ull) >> 28;
+ agp_sb_write_gtt(dev, index, pte);
+}
+
+static void
+agp_sb_write_gtt(device_t dev, u_int index, uint32_t pte)
+{
+ struct agp_i810_softc *sc;
+
+ sc = device_get_softc(dev);
+ bus_write_4(sc->sc_res[0], index * 4 + (2 * 1024 * 1024), pte);
+ CTR2(KTR_AGP_I810, "sb_pte %x %x", index, pte);
}
static int
agp_i810_bind_page(device_t dev, vm_offset_t offset, vm_offset_t physical)
{
struct agp_i810_softc *sc = device_get_softc(dev);
+ u_int index;
if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) {
- device_printf(dev, "failed: offset is 0x%08jx, shift is %d, entries is %d\n", (intmax_t)offset, AGP_PAGE_SHIFT, sc->gatt->ag_entries);
- return EINVAL;
+ device_printf(dev, "failed: offset is 0x%08jx, "
+ "shift is %d, entries is %d\n", (intmax_t)offset,
+ AGP_PAGE_SHIFT, sc->gatt->ag_entries);
+ return (EINVAL);
}
-
- if ( sc->chiptype != CHIP_I810 ) {
- if ( (offset >> AGP_PAGE_SHIFT) < sc->stolen ) {
- device_printf(dev, "trying to bind into stolen memory");
- return EINVAL;
- }
+ index = offset >> AGP_PAGE_SHIFT;
+ if (sc->stolen != 0 && index < sc->stolen) {
+ device_printf(dev, "trying to bind into stolen memory\n");
+ return (EINVAL);
}
-
- agp_i810_write_gtt_entry(dev, offset, physical, 1);
-
- return 0;
+ sc->match->driver->install_gtt_pte(dev, index, physical, 0);
+ return (0);
}
static int
agp_i810_unbind_page(device_t dev, vm_offset_t offset)
{
- struct agp_i810_softc *sc = device_get_softc(dev);
+ struct agp_i810_softc *sc;
+ u_int index;
+ sc = device_get_softc(dev);
if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
- return EINVAL;
-
- if ( sc->chiptype != CHIP_I810 ) {
- if ( (offset >> AGP_PAGE_SHIFT) < sc->stolen ) {
- device_printf(dev, "trying to unbind from stolen memory");
- return EINVAL;
- }
+ return (EINVAL);
+ index = offset >> AGP_PAGE_SHIFT;
+ if (sc->stolen != 0 && index < sc->stolen) {
+ device_printf(dev, "trying to unbind from stolen memory\n");
+ return (EINVAL);
}
+ sc->match->driver->install_gtt_pte(dev, index, 0, 0);
+ return (0);
+}
+
+static u_int32_t
+agp_i810_read_gtt_pte(device_t dev, u_int index)
+{
+ struct agp_i810_softc *sc;
+ u_int32_t pte;
+
+ sc = device_get_softc(dev);
+ pte = bus_read_4(sc->sc_res[0], AGP_I810_GTT + index * 4);
+ return (pte);
+}
+
+static u_int32_t
+agp_i915_read_gtt_pte(device_t dev, u_int index)
+{
+ struct agp_i810_softc *sc;
+ u_int32_t pte;
+
+ sc = device_get_softc(dev);
+ pte = bus_read_4(sc->sc_res[1], index * 4);
+ return (pte);
+}
+
+static u_int32_t
+agp_i965_read_gtt_pte(device_t dev, u_int index)
+{
+ struct agp_i810_softc *sc;
+ u_int32_t pte;
+
+ sc = device_get_softc(dev);
+ pte = bus_read_4(sc->sc_res[0], index * 4 + (512 * 1024));
+ return (pte);
+}
+
+static u_int32_t
+agp_g4x_read_gtt_pte(device_t dev, u_int index)
+{
+ struct agp_i810_softc *sc;
+ u_int32_t pte;
+
+ sc = device_get_softc(dev);
+ pte = bus_read_4(sc->sc_res[0], index * 4 + (2 * 1024 * 1024));
+ return (pte);
+}
+
+static vm_paddr_t
+agp_i810_read_gtt_pte_paddr(device_t dev, u_int index)
+{
+ struct agp_i810_softc *sc;
+ u_int32_t pte;
+ vm_paddr_t res;
+
+ sc = device_get_softc(dev);
+ pte = sc->match->driver->read_gtt_pte(dev, index);
+ res = pte & ~PAGE_MASK;
+ return (res);
+}
- agp_i810_write_gtt_entry(dev, offset, 0, 0);
+static vm_paddr_t
+agp_i915_read_gtt_pte_paddr(device_t dev, u_int index)
+{
+ struct agp_i810_softc *sc;
+ u_int32_t pte;
+ vm_paddr_t res;
- return 0;
+ sc = device_get_softc(dev);
+ pte = sc->match->driver->read_gtt_pte(dev, index);
+ res = (pte & ~PAGE_MASK) | ((pte & 0xf0) << 28);
+ return (res);
+}
+
+static vm_paddr_t
+agp_sb_read_gtt_pte_paddr(device_t dev, u_int index)
+{
+ struct agp_i810_softc *sc;
+ u_int32_t pte;
+ vm_paddr_t res;
+
+ sc = device_get_softc(dev);
+ pte = sc->match->driver->read_gtt_pte(dev, index);
+ res = (pte & ~PAGE_MASK) | ((pte & 0xff0) << 28);
+ return (res);
}
/*
@@ -909,29 +1903,30 @@ static int
agp_i810_enable(device_t dev, u_int32_t mode)
{
- return 0;
+ return (0);
}
static struct agp_memory *
agp_i810_alloc_memory(device_t dev, int type, vm_size_t size)
{
- struct agp_i810_softc *sc = device_get_softc(dev);
+ struct agp_i810_softc *sc;
struct agp_memory *mem;
+ vm_page_t m;
- if ((size & (AGP_PAGE_SIZE - 1)) != 0)
- return 0;
+ sc = device_get_softc(dev);
- if (sc->agp.as_allocated + size > sc->agp.as_maxmem)
- return 0;
+ if ((size & (AGP_PAGE_SIZE - 1)) != 0 ||
+ sc->agp.as_allocated + size > sc->agp.as_maxmem)
+ return (0);
if (type == 1) {
/*
* Mapping local DRAM into GATT.
*/
- if ( sc->chiptype != CHIP_I810 )
- return 0;
+ if (sc->match->driver->chiptype != CHIP_I810)
+ return (0);
if (size != sc->dcache_size)
- return 0;
+ return (0);
} else if (type == 2) {
/*
* Type 2 is the contiguous physical memory type, that hands
@@ -942,13 +1937,13 @@ agp_i810_alloc_memory(device_t dev, int type, vm_size_t size)
*/
if (size != AGP_PAGE_SIZE) {
if (sc->argb_cursor != NULL)
- return 0;
+ return (0);
/* Allocate memory for ARGB cursor, if we can. */
sc->argb_cursor = contigmalloc(size, M_AGP,
0, 0, ~0, PAGE_SIZE, 0);
if (sc->argb_cursor == NULL)
- return 0;
+ return (0);
}
}
@@ -958,7 +1953,7 @@ agp_i810_alloc_memory(device_t dev, int type, vm_size_t size)
mem->am_type = type;
if (type != 1 && (type != 2 || size == AGP_PAGE_SIZE))
mem->am_obj = vm_object_allocate(OBJT_DEFAULT,
- atop(round_page(size)));
+ atop(round_page(size)));
else
mem->am_obj = 0;
@@ -968,8 +1963,6 @@ agp_i810_alloc_memory(device_t dev, int type, vm_size_t size)
* Allocate and wire down the page now so that we can
* get its physical address.
*/
- vm_page_t m;
-
VM_OBJECT_LOCK(mem->am_obj);
m = vm_page_grab(mem->am_obj, 0, VM_ALLOC_NOBUSY |
VM_ALLOC_WIRED | VM_ALLOC_ZERO | VM_ALLOC_RETRY);
@@ -981,33 +1974,33 @@ agp_i810_alloc_memory(device_t dev, int type, vm_size_t size)
*/
mem->am_physical = vtophys(sc->argb_cursor);
}
- } else {
+ } else
mem->am_physical = 0;
- }
mem->am_offset = 0;
mem->am_is_bound = 0;
TAILQ_INSERT_TAIL(&sc->agp.as_memory, mem, am_link);
sc->agp.as_allocated += size;
- return mem;
+ return (mem);
}
static int
agp_i810_free_memory(device_t dev, struct agp_memory *mem)
{
- struct agp_i810_softc *sc = device_get_softc(dev);
+ struct agp_i810_softc *sc;
+ vm_page_t m;
if (mem->am_is_bound)
- return EBUSY;
+ return (EBUSY);
+
+ sc = device_get_softc(dev);
if (mem->am_type == 2) {
if (mem->am_size == AGP_PAGE_SIZE) {
/*
* Unwire the page which we wired in alloc_memory.
*/
- vm_page_t m;
-
VM_OBJECT_LOCK(mem->am_obj);
m = vm_page_lookup(mem->am_obj, 0);
vm_page_lock(m);
@@ -1025,14 +2018,13 @@ agp_i810_free_memory(device_t dev, struct agp_memory *mem)
if (mem->am_obj)
vm_object_deallocate(mem->am_obj);
free(mem, M_AGP);
- return 0;
+ return (0);
}
static int
-agp_i810_bind_memory(device_t dev, struct agp_memory *mem,
- vm_offset_t offset)
+agp_i810_bind_memory(device_t dev, struct agp_memory *mem, vm_offset_t offset)
{
- struct agp_i810_softc *sc = device_get_softc(dev);
+ struct agp_i810_softc *sc;
vm_offset_t i;
/* Do some sanity checks first. */
@@ -1040,76 +2032,78 @@ agp_i810_bind_memory(device_t dev, struct agp_memory *mem,
offset + mem->am_size > AGP_GET_APERTURE(dev)) {
device_printf(dev, "binding memory at bad offset %#x\n",
(int)offset);
- return EINVAL;
+ return (EINVAL);
}
+ sc = device_get_softc(dev);
if (mem->am_type == 2 && mem->am_size != AGP_PAGE_SIZE) {
mtx_lock(&sc->agp.as_lock);
if (mem->am_is_bound) {
mtx_unlock(&sc->agp.as_lock);
- return EINVAL;
+ return (EINVAL);
}
/* The memory's already wired down, just stick it in the GTT. */
for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) {
- agp_i810_write_gtt_entry(dev, offset + i,
- mem->am_physical + i, 1);
+ sc->match->driver->install_gtt_pte(dev, (offset + i) >>
+ AGP_PAGE_SHIFT, mem->am_physical + i, 0);
}
agp_flush_cache();
mem->am_offset = offset;
mem->am_is_bound = 1;
mtx_unlock(&sc->agp.as_lock);
- return 0;
+ return (0);
}
if (mem->am_type != 1)
- return agp_generic_bind_memory(dev, mem, offset);
-
- if ( sc->chiptype != CHIP_I810 )
- return EINVAL;
+ return (agp_generic_bind_memory(dev, mem, offset));
- for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) {
+ /*
+ * Mapping local DRAM into GATT.
+ */
+ if (sc->match->driver->chiptype != CHIP_I810)
+ return (EINVAL);
+ for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE)
bus_write_4(sc->sc_res[0],
AGP_I810_GTT + (i >> AGP_PAGE_SHIFT) * 4, i | 3);
- }
- return 0;
+ return (0);
}
static int
agp_i810_unbind_memory(device_t dev, struct agp_memory *mem)
{
- struct agp_i810_softc *sc = device_get_softc(dev);
+ struct agp_i810_softc *sc;
vm_offset_t i;
+ sc = device_get_softc(dev);
+
if (mem->am_type == 2 && mem->am_size != AGP_PAGE_SIZE) {
mtx_lock(&sc->agp.as_lock);
if (!mem->am_is_bound) {
mtx_unlock(&sc->agp.as_lock);
- return EINVAL;
+ return (EINVAL);
}
for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) {
- agp_i810_write_gtt_entry(dev, mem->am_offset + i,
- 0, 0);
+ sc->match->driver->install_gtt_pte(dev,
+ (mem->am_offset + i) >> AGP_PAGE_SHIFT, 0, 0);
}
agp_flush_cache();
mem->am_is_bound = 0;
mtx_unlock(&sc->agp.as_lock);
- return 0;
+ return (0);
}
if (mem->am_type != 1)
- return agp_generic_unbind_memory(dev, mem);
-
- if ( sc->chiptype != CHIP_I810 )
- return EINVAL;
+ return (agp_generic_unbind_memory(dev, mem));
+ if (sc->match->driver->chiptype != CHIP_I810)
+ return (EINVAL);
for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) {
- bus_write_4(sc->sc_res[0],
- AGP_I810_GTT + (i >> AGP_PAGE_SHIFT) * 4, 0);
+ sc->match->driver->install_gtt_pte(dev, i >> AGP_PAGE_SHIFT,
+ 0, 0);
}
-
- return 0;
+ return (0);
}
static device_method_t agp_i810_methods[] = {
@@ -1123,7 +2117,7 @@ static device_method_t agp_i810_methods[] = {
/* AGP interface */
DEVMETHOD(agp_get_aperture, agp_generic_get_aperture),
- DEVMETHOD(agp_set_aperture, agp_i810_set_aperture),
+ DEVMETHOD(agp_set_aperture, agp_i810_method_set_aperture),
DEVMETHOD(agp_bind_page, agp_i810_bind_page),
DEVMETHOD(agp_unbind_page, agp_i810_unbind_page),
DEVMETHOD(agp_flush_tlb, agp_i810_flush_tlb),
@@ -1132,6 +2126,7 @@ static device_method_t agp_i810_methods[] = {
DEVMETHOD(agp_free_memory, agp_i810_free_memory),
DEVMETHOD(agp_bind_memory, agp_i810_bind_memory),
DEVMETHOD(agp_unbind_memory, agp_i810_unbind_memory),
+ DEVMETHOD(agp_chipset_flush, agp_intel_gtt_chipset_flush),
{ 0, 0 }
};
@@ -1147,3 +2142,424 @@ static devclass_t agp_devclass;
DRIVER_MODULE(agp_i810, vgapci, agp_i810_driver, agp_devclass, 0, 0);
MODULE_DEPEND(agp_i810, agp, 1, 1, 1);
MODULE_DEPEND(agp_i810, pci, 1, 1, 1);
+
+extern vm_page_t bogus_page;
+
+void
+agp_intel_gtt_clear_range(device_t dev, u_int first_entry, u_int num_entries)
+{
+ struct agp_i810_softc *sc;
+ u_int i;
+
+ sc = device_get_softc(dev);
+ for (i = 0; i < num_entries; i++)
+ sc->match->driver->install_gtt_pte(dev, first_entry + i,
+ VM_PAGE_TO_PHYS(bogus_page), 0);
+ sc->match->driver->read_gtt_pte(dev, first_entry + num_entries - 1);
+}
+
+void
+agp_intel_gtt_insert_pages(device_t dev, u_int first_entry, u_int num_entries,
+ vm_page_t *pages, u_int flags)
+{
+ struct agp_i810_softc *sc;
+ u_int i;
+
+ sc = device_get_softc(dev);
+ for (i = 0; i < num_entries; i++) {
+ MPASS(pages[i]->valid == VM_PAGE_BITS_ALL);
+ MPASS(pages[i]->wire_count > 0);
+ sc->match->driver->install_gtt_pte(dev, first_entry + i,
+ VM_PAGE_TO_PHYS(pages[i]), flags);
+ }
+ sc->match->driver->read_gtt_pte(dev, first_entry + num_entries - 1);
+}
+
+struct intel_gtt
+agp_intel_gtt_get(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ struct intel_gtt res;
+
+ sc = device_get_softc(dev);
+ res.stolen_size = sc->stolen_size;
+ res.gtt_total_entries = sc->gtt_total_entries;
+ res.gtt_mappable_entries = sc->gtt_mappable_entries;
+ res.do_idle_maps = 0;
+ res.scratch_page_dma = VM_PAGE_TO_PHYS(bogus_page);
+ return (res);
+}
+
+static int
+agp_i810_chipset_flush_setup(device_t dev)
+{
+
+ return (0);
+}
+
+static void
+agp_i810_chipset_flush_teardown(device_t dev)
+{
+
+ /* Nothing to do. */
+}
+
+static void
+agp_i810_chipset_flush(device_t dev)
+{
+
+ /* Nothing to do. */
+}
+
+static void
+agp_i830_chipset_flush(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ uint32_t hic;
+ int i;
+
+ sc = device_get_softc(dev);
+ pmap_invalidate_cache();
+ hic = bus_read_4(sc->sc_res[0], AGP_I830_HIC);
+ bus_write_4(sc->sc_res[0], AGP_I830_HIC, hic | (1 << 31));
+ for (i = 0; i < 20000 /* 1 sec */; i++) {
+ hic = bus_read_4(sc->sc_res[0], AGP_I830_HIC);
+ if ((hic & (1 << 31)) != 0)
+ break;
+ DELAY(50);
+ }
+}
+
+static int
+agp_i915_chipset_flush_alloc_page(device_t dev, uint64_t start, uint64_t end)
+{
+ struct agp_i810_softc *sc;
+ device_t vga;
+
+ sc = device_get_softc(dev);
+ vga = device_get_parent(dev);
+ sc->sc_flush_page_rid = 100;
+ sc->sc_flush_page_res = BUS_ALLOC_RESOURCE(device_get_parent(vga), dev,
+ SYS_RES_MEMORY, &sc->sc_flush_page_rid, start, end, PAGE_SIZE,
+ RF_ACTIVE);
+ if (sc->sc_flush_page_res == NULL) {
+ device_printf(dev, "Failed to allocate flush page at 0x%jx\n",
+ (uintmax_t)start);
+ return (EINVAL);
+ }
+ sc->sc_flush_page_vaddr = rman_get_virtual(sc->sc_flush_page_res);
+ if (bootverbose) {
+ device_printf(dev, "Allocated flush page phys 0x%jx virt %p\n",
+ (uintmax_t)rman_get_start(sc->sc_flush_page_res),
+ sc->sc_flush_page_vaddr);
+ }
+ return (0);
+}
+
+static void
+agp_i915_chipset_flush_free_page(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ device_t vga;
+
+ sc = device_get_softc(dev);
+ vga = device_get_parent(dev);
+ if (sc->sc_flush_page_res == NULL)
+ return;
+ BUS_DEACTIVATE_RESOURCE(device_get_parent(vga), dev, SYS_RES_MEMORY,
+ sc->sc_flush_page_rid, sc->sc_flush_page_res);
+ BUS_RELEASE_RESOURCE(device_get_parent(vga), dev, SYS_RES_MEMORY,
+ sc->sc_flush_page_rid, sc->sc_flush_page_res);
+}
+
+static int
+agp_i915_chipset_flush_setup(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ uint32_t temp;
+ int error;
+
+ sc = device_get_softc(dev);
+ temp = pci_read_config(sc->bdev, AGP_I915_IFPADDR, 4);
+ if ((temp & 1) != 0) {
+ temp &= ~1;
+ if (bootverbose)
+ device_printf(dev,
+ "Found already configured flush page at 0x%jx\n",
+ (uintmax_t)temp);
+ sc->sc_bios_allocated_flush_page = 1;
+ /*
+ * In the case BIOS initialized the flush pointer (?)
+ * register, expect that BIOS also set up the resource
+ * for the page.
+ */
+ error = agp_i915_chipset_flush_alloc_page(dev, temp,
+ temp + PAGE_SIZE - 1);
+ if (error != 0)
+ return (error);
+ } else {
+ sc->sc_bios_allocated_flush_page = 0;
+ error = agp_i915_chipset_flush_alloc_page(dev, 0, 0xffffffff);
+ if (error != 0)
+ return (error);
+ temp = rman_get_start(sc->sc_flush_page_res);
+ pci_write_config(sc->bdev, AGP_I915_IFPADDR, temp | 1, 4);
+ }
+ return (0);
+}
+
+static void
+agp_i915_chipset_flush_teardown(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ uint32_t temp;
+
+ sc = device_get_softc(dev);
+ if (sc->sc_flush_page_res == NULL)
+ return;
+ if (!sc->sc_bios_allocated_flush_page) {
+ temp = pci_read_config(sc->bdev, AGP_I915_IFPADDR, 4);
+ temp &= ~1;
+ pci_write_config(sc->bdev, AGP_I915_IFPADDR, temp, 4);
+ }
+ agp_i915_chipset_flush_free_page(dev);
+}
+
+static int
+agp_i965_chipset_flush_setup(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ uint64_t temp;
+ uint32_t temp_hi, temp_lo;
+ int error;
+
+ sc = device_get_softc(dev);
+
+ temp_hi = pci_read_config(sc->bdev, AGP_I965_IFPADDR + 4, 4);
+ temp_lo = pci_read_config(sc->bdev, AGP_I965_IFPADDR, 4);
+
+ if ((temp_lo & 1) != 0) {
+ temp = ((uint64_t)temp_hi << 32) | (temp_lo & ~1);
+ if (bootverbose)
+ device_printf(dev,
+ "Found already configured flush page at 0x%jx\n",
+ (uintmax_t)temp);
+ sc->sc_bios_allocated_flush_page = 1;
+ /*
+ * In the case BIOS initialized the flush pointer (?)
+ * register, expect that BIOS also set up the resource
+ * for the page.
+ */
+ error = agp_i915_chipset_flush_alloc_page(dev, temp,
+ temp + PAGE_SIZE - 1);
+ if (error != 0)
+ return (error);
+ } else {
+ sc->sc_bios_allocated_flush_page = 0;
+ error = agp_i915_chipset_flush_alloc_page(dev, 0, ~0);
+ if (error != 0)
+ return (error);
+ temp = rman_get_start(sc->sc_flush_page_res);
+ pci_write_config(sc->bdev, AGP_I965_IFPADDR + 4,
+ (temp >> 32) & UINT32_MAX, 4);
+ pci_write_config(sc->bdev, AGP_I965_IFPADDR,
+ (temp & UINT32_MAX) | 1, 4);
+ }
+ return (0);
+}
+
+static void
+agp_i965_chipset_flush_teardown(device_t dev)
+{
+ struct agp_i810_softc *sc;
+ uint32_t temp_lo;
+
+ sc = device_get_softc(dev);
+ if (sc->sc_flush_page_res == NULL)
+ return;
+ if (!sc->sc_bios_allocated_flush_page) {
+ temp_lo = pci_read_config(sc->bdev, AGP_I965_IFPADDR, 4);
+ temp_lo &= ~1;
+ pci_write_config(sc->bdev, AGP_I965_IFPADDR, temp_lo, 4);
+ }
+ agp_i915_chipset_flush_free_page(dev);
+}
+
+static void
+agp_i915_chipset_flush(device_t dev)
+{
+ struct agp_i810_softc *sc;
+
+ sc = device_get_softc(dev);
+ *(uint32_t *)sc->sc_flush_page_vaddr = 1;
+}
+
+int
+agp_intel_gtt_chipset_flush(device_t dev)
+{
+ struct agp_i810_softc *sc;
+
+ sc = device_get_softc(dev);
+ sc->match->driver->chipset_flush(dev);
+ return (0);
+}
+
+void
+agp_intel_gtt_unmap_memory(device_t dev, struct sglist *sg_list)
+{
+}
+
+int
+agp_intel_gtt_map_memory(device_t dev, vm_page_t *pages, u_int num_entries,
+ struct sglist **sg_list)
+{
+ struct agp_i810_softc *sc;
+ struct sglist *sg;
+ int i;
+#if 0
+ int error;
+ bus_dma_tag_t dmat;
+#endif
+
+ if (*sg_list != NULL)
+ return (0);
+ sc = device_get_softc(dev);
+ sg = sglist_alloc(num_entries, M_WAITOK /* XXXKIB */);
+ for (i = 0; i < num_entries; i++) {
+ sg->sg_segs[i].ss_paddr = VM_PAGE_TO_PHYS(pages[i]);
+ sg->sg_segs[i].ss_len = PAGE_SIZE;
+ }
+
+#if 0
+ error = bus_dma_tag_create(bus_get_dma_tag(dev),
+ 1 /* alignment */, 0 /* boundary */,
+ 1ULL << sc->match->busdma_addr_mask_sz /* lowaddr */,
+ BUS_SPACE_MAXADDR /* highaddr */,
+ NULL /* filtfunc */, NULL /* filtfuncarg */,
+ BUS_SPACE_MAXADDR /* maxsize */,
+ BUS_SPACE_UNRESTRICTED /* nsegments */,
+ BUS_SPACE_MAXADDR /* maxsegsz */,
+ 0 /* flags */, NULL /* lockfunc */, NULL /* lockfuncarg */,
+ &dmat);
+ if (error != 0) {
+ sglist_free(sg);
+ return (error);
+ }
+ /* XXXKIB */
+#endif
+ *sg_list = sg;
+ return (0);
+}
+
+void
+agp_intel_gtt_insert_sg_entries(device_t dev, struct sglist *sg_list,
+ u_int first_entry, u_int flags)
+{
+ struct agp_i810_softc *sc;
+ vm_paddr_t spaddr;
+ size_t slen;
+ u_int i, j;
+
+ sc = device_get_softc(dev);
+ for (i = j = 0; j < sg_list->sg_nseg; j++) {
+ spaddr = sg_list->sg_segs[i].ss_paddr;
+ slen = sg_list->sg_segs[i].ss_len;
+ for (; slen > 0; i++) {
+ sc->match->driver->install_gtt_pte(dev, first_entry + i,
+ spaddr, flags);
+ spaddr += AGP_PAGE_SIZE;
+ slen -= AGP_PAGE_SIZE;
+ }
+ }
+ sc->match->driver->read_gtt_pte(dev, first_entry + i - 1);
+}
+
+void
+intel_gtt_clear_range(u_int first_entry, u_int num_entries)
+{
+
+ agp_intel_gtt_clear_range(intel_agp, first_entry, num_entries);
+}
+
+void
+intel_gtt_insert_pages(u_int first_entry, u_int num_entries, vm_page_t *pages,
+ u_int flags)
+{
+
+ agp_intel_gtt_insert_pages(intel_agp, first_entry, num_entries,
+ pages, flags);
+}
+
+struct intel_gtt
+intel_gtt_get(void)
+{
+
+ return (agp_intel_gtt_get(intel_agp));
+}
+
+int
+intel_gtt_chipset_flush(void)
+{
+
+ return (agp_intel_gtt_chipset_flush(intel_agp));
+}
+
+void
+intel_gtt_unmap_memory(struct sglist *sg_list)
+{
+
+ agp_intel_gtt_unmap_memory(intel_agp, sg_list);
+}
+
+int
+intel_gtt_map_memory(vm_page_t *pages, u_int num_entries,
+ struct sglist **sg_list)
+{
+
+ return (agp_intel_gtt_map_memory(intel_agp, pages, num_entries,
+ sg_list));
+}
+
+void
+intel_gtt_insert_sg_entries(struct sglist *sg_list, u_int first_entry,
+ u_int flags)
+{
+
+ agp_intel_gtt_insert_sg_entries(intel_agp, sg_list, first_entry, flags);
+}
+
+device_t
+intel_gtt_get_bridge_device(void)
+{
+ struct agp_i810_softc *sc;
+
+ sc = device_get_softc(intel_agp);
+ return (sc->bdev);
+}
+
+vm_paddr_t
+intel_gtt_read_pte_paddr(u_int entry)
+{
+ struct agp_i810_softc *sc;
+
+ sc = device_get_softc(intel_agp);
+ return (sc->match->driver->read_gtt_pte_paddr(intel_agp, entry));
+}
+
+u_int32_t
+intel_gtt_read_pte(u_int entry)
+{
+ struct agp_i810_softc *sc;
+
+ sc = device_get_softc(intel_agp);
+ return (sc->match->driver->read_gtt_pte(intel_agp, entry));
+}
+
+void
+intel_gtt_write(u_int entry, uint32_t val)
+{
+ struct agp_i810_softc *sc;
+
+ sc = device_get_softc(intel_agp);
+ return (sc->match->driver->write_gtt(intel_agp, entry, val));
+}
diff --git a/sys/dev/agp/agp_i810.h b/sys/dev/agp/agp_i810.h
new file mode 100644
index 0000000..68cad87
--- /dev/null
+++ b/sys/dev/agp/agp_i810.h
@@ -0,0 +1,101 @@
+/*-
+ * Copyright (c) 2011 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Konstantin Belousov under sponsorship from
+ * the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef AGP_AGP_I810_H
+#define AGP_AGP_I810_H
+
+#include <sys/param.h>
+#include <sys/sglist.h>
+
+#include <vm/vm.h>
+#include <vm/vm_page.h>
+
+/* Special gtt memory types */
+#define AGP_DCACHE_MEMORY 1
+#define AGP_PHYS_MEMORY 2
+
+/* New caching attributes for gen6/sandybridge */
+#define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2)
+#define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4)
+
+/* flag for GFDT type */
+#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
+
+struct intel_gtt {
+ /* Size of memory reserved for graphics by the BIOS */
+ u_int stolen_size;
+ /* Total number of gtt entries. */
+ u_int gtt_total_entries;
+ /*
+ * Part of the gtt that is mappable by the cpu, for those
+ * chips where this is not the full gtt.
+ */
+ u_int gtt_mappable_entries;
+
+ /*
+ * Always false.
+ */
+ u_int do_idle_maps;
+
+ /*
+ * Share the scratch page dma with ppgtts.
+ */
+ vm_paddr_t scratch_page_dma;
+};
+
+struct intel_gtt agp_intel_gtt_get(device_t dev);
+int agp_intel_gtt_chipset_flush(device_t dev);
+void agp_intel_gtt_unmap_memory(device_t dev, struct sglist *sg_list);
+void agp_intel_gtt_clear_range(device_t dev, u_int first_entry,
+ u_int num_entries);
+int agp_intel_gtt_map_memory(device_t dev, vm_page_t *pages, u_int num_entries,
+ struct sglist **sg_list);
+void agp_intel_gtt_insert_sg_entries(device_t dev, struct sglist *sg_list,
+ u_int pg_start, u_int flags);
+void agp_intel_gtt_insert_pages(device_t dev, u_int first_entry,
+ u_int num_entries, vm_page_t *pages, u_int flags);
+
+struct intel_gtt intel_gtt_get(void);
+int intel_gtt_chipset_flush(void);
+void intel_gtt_unmap_memory(struct sglist *sg_list);
+void intel_gtt_clear_range(u_int first_entry, u_int num_entries);
+int intel_gtt_map_memory(vm_page_t *pages, u_int num_entries,
+ struct sglist **sg_list);
+void intel_gtt_insert_sg_entries(struct sglist *sg_list, u_int pg_start,
+ u_int flags);
+void intel_gtt_insert_pages(u_int first_entry, u_int num_entries,
+ vm_page_t *pages, u_int flags);
+vm_paddr_t intel_gtt_read_pte_paddr(u_int entry);
+u_int32_t intel_gtt_read_pte(u_int entry);
+device_t intel_gtt_get_bridge_device(void);
+void intel_gtt_write(u_int entry, uint32_t val);
+
+#endif
diff --git a/sys/dev/agp/agp_if.m b/sys/dev/agp/agp_if.m
index da2e19a..4a97ca9 100644
--- a/sys/dev/agp/agp_if.m
+++ b/sys/dev/agp/agp_if.m
@@ -36,6 +36,14 @@
#
INTERFACE agp;
+CODE {
+ static int
+ null_agp_chipset_flush(device_t dev)
+ {
+ return (ENXIO);
+ }
+};
+
#
# Return the current aperture size.
#
@@ -132,3 +140,7 @@ METHOD int unbind_memory {
device_t dev;
struct agp_memory *handle;
};
+
+METHOD int chipset_flush {
+ device_t dev;
+} DEFAULT null_agp_chipset_flush;
diff --git a/sys/dev/agp/agppriv.h b/sys/dev/agp/agppriv.h
index fd64056..00e7dc1 100644
--- a/sys/dev/agp/agppriv.h
+++ b/sys/dev/agp/agppriv.h
@@ -73,7 +73,7 @@ struct agp_softc {
struct agp_memory_list as_memory; /* list of allocated memory */
int as_nextid; /* next memory block id */
int as_isopen; /* user device is open */
- struct cdev *as_devnode; /* from make_dev */
+ struct cdev *as_devnode; /* from make_dev */
struct mtx as_lock; /* lock for access to GATT */
};
diff --git a/sys/dev/agp/agpreg.h b/sys/dev/agp/agpreg.h
index b453cac..dfa93a5 100644
--- a/sys/dev/agp/agpreg.h
+++ b/sys/dev/agp/agpreg.h
@@ -176,10 +176,33 @@
#define AGP_I810_GMADR 0x10
#define AGP_I810_MMADR 0x14
+#define I810_PTE_VALID 0x00000001
+
+/*
+ * Cache control
+ *
+ * Pre-Sandybridge bits
+ */
+#define I810_PTE_MAIN_UNCACHED 0x00000000
+#define I810_PTE_LOCAL 0x00000002 /* Non-snooped main phys memory */
+#define I830_PTE_SYSTEM_CACHED 0x00000006 /* Snooped main phys memory */
+
+/*
+ * Sandybridge
+ * LLC - Last Level Cache
+ * MMC - Mid Level Cache
+ */
+#define GEN6_PTE_RESERVED 0x00000000
+#define GEN6_PTE_UNCACHED 0x00000002 /* Do not cache */
+#define GEN6_PTE_LLC 0x00000004 /* Cache in LLC */
+#define GEN6_PTE_LLC_MLC 0x00000006 /* Cache in LLC and MLC */
+#define GEN6_PTE_GFDT 0x00000008 /* Graphics Data Type */
+
/*
* Memory mapped register offsets for i810 chipset.
*/
#define AGP_I810_PGTBL_CTL 0x2020
+#define AGP_I810_PGTBL_ENABLED 0x00000001
/**
* This field determines the actual size of the global GTT on the 965
* and G33
@@ -187,7 +210,23 @@
#define AGP_I810_PGTBL_SIZE_MASK 0x0000000e
#define AGP_I810_PGTBL_SIZE_512KB (0 << 1)
#define AGP_I810_PGTBL_SIZE_256KB (1 << 1)
-#define AGP_I810_PGTBL_SIZE_128KB (2 << 1)
+#define AGP_I810_PGTBL_SIZE_128KB (2 << 1)
+#define AGP_I810_PGTBL_SIZE_1MB (3 << 1)
+#define AGP_I810_PGTBL_SIZE_2MB (4 << 1)
+#define AGP_I810_PGTBL_SIZE_1_5MB (5 << 1)
+#define AGP_G33_GCC1_SIZE_MASK (3 << 8)
+#define AGP_G33_GCC1_SIZE_1M (1 << 8)
+#define AGP_G33_GCC1_SIZE_2M (2 << 8)
+#define AGP_G4x_GCC1_SIZE_MASK (0xf << 8)
+#define AGP_G4x_GCC1_SIZE_1M (0x1 << 8)
+#define AGP_G4x_GCC1_SIZE_2M (0x3 << 8)
+#define AGP_G4x_GCC1_SIZE_VT_EN (0x8 << 8)
+#define AGP_G4x_GCC1_SIZE_VT_1M \
+ (AGP_G4x_GCC1_SIZE_1M | AGP_G4x_GCC1_SIZE_VT_EN)
+#define AGP_G4x_GCC1_SIZE_VT_1_5M ((0x2 << 8) | AGP_G4x_GCC1_SIZE_VT_EN)
+#define AGP_G4x_GCC1_SIZE_VT_2M \
+ (AGP_G4x_GCC1_SIZE_2M | AGP_G4x_GCC1_SIZE_VT_EN)
+
#define AGP_I810_DRT 0x3000
#define AGP_I810_DRT_UNPOPULATED 0x00
#define AGP_I810_DRT_POPULATED 0x01
@@ -207,6 +246,7 @@
#define AGP_I830_GCC1_GMASIZE 0x01
#define AGP_I830_GCC1_GMASIZE_64 0x01
#define AGP_I830_GCC1_GMASIZE_128 0x00
+#define AGP_I830_HIC 0x70
/*
* Config registers for 852GM/855GM/865G device 0
@@ -243,6 +283,9 @@
#define AGP_I915_GCC1_GMS_STOLEN_48M 0x60
#define AGP_I915_GCC1_GMS_STOLEN_64M 0x70
#define AGP_I915_DEVEN 0x54
+#define AGP_SB_DEVEN_D2EN 0x10 /* SB+ has IGD enabled bit */
+#define AGP_SB_DEVEN_D2EN_ENABLED 0x10 /* in different place */
+#define AGP_SB_DEVEN_D2EN_DISABLED 0x00
#define AGP_I915_DEVEN_D2F0 0x08
#define AGP_I915_DEVEN_D2F0_ENABLED 0x08
#define AGP_I915_DEVEN_D2F0_DISABLED 0x00
@@ -250,6 +293,7 @@
#define AGP_I915_MSAC_GMASIZE 0x02
#define AGP_I915_MSAC_GMASIZE_128 0x02
#define AGP_I915_MSAC_GMASIZE_256 0x00
+#define AGP_I915_IFPADDR 0x60
/*
* G965 registers
@@ -262,6 +306,8 @@
#define AGP_I965_PGTBL_SIZE_1MB (3 << 1)
#define AGP_I965_PGTBL_SIZE_2MB (4 << 1)
#define AGP_I965_PGTBL_SIZE_1_5MB (5 << 1)
+#define AGP_I965_PGTBL_CTL2 0x20c4
+#define AGP_I965_IFPADDR 0x70
/*
* G33 registers
@@ -275,12 +321,43 @@
/*
* G4X registers
*/
+#define AGP_G4X_GMADR 0x20
+#define AGP_G4X_MMADR 0x10
+#define AGP_G4X_GTTADR 0x18
#define AGP_G4X_GCC1_GMS_STOLEN_96M 0xa0
#define AGP_G4X_GCC1_GMS_STOLEN_160M 0xb0
#define AGP_G4X_GCC1_GMS_STOLEN_224M 0xc0
#define AGP_G4X_GCC1_GMS_STOLEN_352M 0xd0
/*
+ * SandyBridge/IvyBridge registers
+ */
+#define AGP_SNB_GCC1 0x50
+#define AGP_SNB_GMCH_GMS_STOLEN_MASK 0xF8
+#define AGP_SNB_GMCH_GMS_STOLEN_32M (1 << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_64M (2 << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_96M (3 << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_128M (4 << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_160M (5 << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_192M (6 << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_224M (7 << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_256M (8 << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_288M (9 << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_320M (0xa << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_352M (0xb << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_384M (0xc << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_416M (0xd << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_448M (0xe << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_480M (0xf << 3)
+#define AGP_SNB_GMCH_GMS_STOLEN_512M (0x10 << 3)
+#define AGP_SNB_GTT_SIZE_0M (0 << 8)
+#define AGP_SNB_GTT_SIZE_1M (1 << 8)
+#define AGP_SNB_GTT_SIZE_2M (2 << 8)
+#define AGP_SNB_GTT_SIZE_MASK (3 << 8)
+
+#define AGP_SNB_GFX_MODE 0x02520
+
+/*
* NVIDIA nForce/nForce2 registers
*/
#define AGP_NVIDIA_0_APBASE 0x10
diff --git a/sys/dev/agp/agpvar.h b/sys/dev/agp/agpvar.h
index 52d40ef..5aeebc9 100644
--- a/sys/dev/agp/agpvar.h
+++ b/sys/dev/agp/agpvar.h
@@ -122,4 +122,10 @@ int agp_unbind_memory(device_t dev, void *handle);
*/
void agp_memory_info(device_t dev, void *handle, struct agp_memory_info *mi);
+#define AGP_NORMAL_MEMORY 0
+
+#define AGP_USER_TYPES (1 << 16)
+#define AGP_USER_MEMORY (AGP_USER_TYPES)
+#define AGP_USER_CACHED_MEMORY (AGP_USER_TYPES + 1)
+
#endif /* !_PCI_AGPVAR_H_ */
diff --git a/sys/modules/agp/Makefile b/sys/modules/agp/Makefile
index 9e28657..17c8128 100644
--- a/sys/modules/agp/Makefile
+++ b/sys/modules/agp/Makefile
@@ -33,4 +33,16 @@ EXPORT_SYMS= agp_find_device \
agp_unbind_memory \
agp_memory_info
+
+.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
+EXPORT_SYMS+= intel_gtt_clear_range \
+ intel_gtt_insert_pages \
+ intel_gtt_get \
+ intel_gtt_chipset_flush \
+ intel_gtt_unmap_memory \
+ intel_gtt_map_memory \
+ intel_gtt_insert_sg_entries \
+ intel_gtt_get_bridge_device
+.endif
+
.include <bsd.kmod.mk>
diff --git a/sys/sys/agpio.h b/sys/sys/agpio.h
index 8c1294f..78a2ade 100644
--- a/sys/sys/agpio.h
+++ b/sys/sys/agpio.h
@@ -88,6 +88,7 @@
#define AGPIOC_DEALLOCATE _IOW (AGPIOC_BASE, 7, int)
#define AGPIOC_BIND _IOW (AGPIOC_BASE, 8, agp_bind)
#define AGPIOC_UNBIND _IOW (AGPIOC_BASE, 9, agp_unbind)
+#define AGPIOC_CHIPSET_FLUSH _IO (AGPIOC_BASE, 10)
typedef struct _agp_version {
u_int16_t major;
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