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-rw-r--r--drivers/char/Kconfig9
-rw-r--r--drivers/char/Makefile1
-rw-r--r--drivers/char/agp/agp.h1
-rw-r--r--drivers/char/agp/compat_ioctl.c1
-rw-r--r--drivers/char/agp/compat_ioctl.h1
-rw-r--r--drivers/char/agp/frontend.c8
-rw-r--r--drivers/char/agp/generic.c27
-rw-r--r--drivers/char/agp/intel-agp.c5
-rw-r--r--drivers/char/agp/intel-agp.h14
-rw-r--r--drivers/char/agp/intel-gtt.c778
-rw-r--r--drivers/char/hvc_dcc.c133
-rw-r--r--drivers/char/hvsi.c4
-rw-r--r--drivers/char/ip2/ip2main.c2
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c10
-rw-r--r--drivers/char/pcmcia/ipwireless/hardware.c2
-rw-r--r--drivers/char/pcmcia/ipwireless/network.c3
-rw-r--r--drivers/char/pcmcia/ipwireless/tty.c2
-rw-r--r--drivers/char/random.c2
-rw-r--r--drivers/char/rocket.c2
-rw-r--r--drivers/char/snsc.h1
-rw-r--r--drivers/char/sonypi.c2
-rw-r--r--drivers/char/specialix.c2
-rw-r--r--drivers/char/tpm/tpm.c24
-rw-r--r--drivers/char/tpm/tpm.h5
24 files changed, 548 insertions, 491 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 43d3395325c..d4a7776f4b7 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -682,6 +682,15 @@ config HVC_UDBG
select HVC_DRIVER
default n
+config HVC_DCC
+ bool "ARM JTAG DCC console"
+ depends on ARM
+ select HVC_DRIVER
+ help
+ This console uses the JTAG DCC on ARM to create a console under the HVC
+ driver. This console is used through a JTAG only on ARM. If you don't have
+ a JTAG then you probably don't want this option.
+
config VIRTIO_CONSOLE
tristate "Virtio console"
depends on VIRTIO
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index ba53ec956c9..fa0b824b7a6 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_HVC_CONSOLE) += hvc_vio.o hvsi.o
obj-$(CONFIG_HVC_ISERIES) += hvc_iseries.o
obj-$(CONFIG_HVC_RTAS) += hvc_rtas.o
obj-$(CONFIG_HVC_TILE) += hvc_tile.o
+obj-$(CONFIG_HVC_DCC) += hvc_dcc.o
obj-$(CONFIG_HVC_BEAT) += hvc_beat.o
obj-$(CONFIG_HVC_DRIVER) += hvc_console.o
obj-$(CONFIG_HVC_IRQ) += hvc_irq.o
diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index 5259065f3c7..3e67ddde9e1 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -120,7 +120,6 @@ struct agp_bridge_driver {
void (*agp_destroy_page)(struct page *, int flags);
void (*agp_destroy_pages)(struct agp_memory *);
int (*agp_type_to_mask_type) (struct agp_bridge_data *, int);
- void (*chipset_flush)(struct agp_bridge_data *);
};
struct agp_bridge_data {
diff --git a/drivers/char/agp/compat_ioctl.c b/drivers/char/agp/compat_ioctl.c
index 9d2c97a69cd..a48e05b3159 100644
--- a/drivers/char/agp/compat_ioctl.c
+++ b/drivers/char/agp/compat_ioctl.c
@@ -276,7 +276,6 @@ long compat_agp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
break;
case AGPIOC_CHIPSET_FLUSH32:
- ret_val = agpioc_chipset_flush_wrap(curr_priv);
break;
}
diff --git a/drivers/char/agp/compat_ioctl.h b/drivers/char/agp/compat_ioctl.h
index 0c9678ac037..f30e0fd9796 100644
--- a/drivers/char/agp/compat_ioctl.h
+++ b/drivers/char/agp/compat_ioctl.h
@@ -102,6 +102,5 @@ void agp_free_memory_wrap(struct agp_memory *memory);
struct agp_memory *agp_allocate_memory_wrap(size_t pg_count, u32 type);
struct agp_memory *agp_find_mem_by_key(int key);
struct agp_client *agp_find_client_by_pid(pid_t id);
-int agpioc_chipset_flush_wrap(struct agp_file_private *priv);
#endif /* _AGP_COMPAT_H */
diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c
index 3cb4539a98b..2e044338753 100644
--- a/drivers/char/agp/frontend.c
+++ b/drivers/char/agp/frontend.c
@@ -957,13 +957,6 @@ static int agpioc_unbind_wrap(struct agp_file_private *priv, void __user *arg)
return agp_unbind_memory(memory);
}
-int agpioc_chipset_flush_wrap(struct agp_file_private *priv)
-{
- DBG("");
- agp_flush_chipset(agp_bridge);
- return 0;
-}
-
static long agp_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
@@ -1039,7 +1032,6 @@ static long agp_ioctl(struct file *file,
break;
case AGPIOC_CHIPSET_FLUSH:
- ret_val = agpioc_chipset_flush_wrap(curr_priv);
break;
}
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index 4956f1c8f9d..012cba0d6d9 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -81,13 +81,6 @@ static int agp_get_key(void)
return -1;
}
-void agp_flush_chipset(struct agp_bridge_data *bridge)
-{
- if (bridge->driver->chipset_flush)
- bridge->driver->chipset_flush(bridge);
-}
-EXPORT_SYMBOL(agp_flush_chipset);
-
/*
* Use kmalloc if possible for the page list. Otherwise fall back to
* vmalloc. This speeds things up and also saves memory for small AGP
@@ -487,26 +480,6 @@ int agp_unbind_memory(struct agp_memory *curr)
}
EXPORT_SYMBOL(agp_unbind_memory);
-/**
- * agp_rebind_emmory - Rewrite the entire GATT, useful on resume
- */
-int agp_rebind_memory(void)
-{
- struct agp_memory *curr;
- int ret_val = 0;
-
- spin_lock(&agp_bridge->mapped_lock);
- list_for_each_entry(curr, &agp_bridge->mapped_list, mapped_list) {
- ret_val = curr->bridge->driver->insert_memory(curr,
- curr->pg_start,
- curr->type);
- if (ret_val != 0)
- break;
- }
- spin_unlock(&agp_bridge->mapped_lock);
- return ret_val;
-}
-EXPORT_SYMBOL(agp_rebind_memory);
/* End - Routines for handling swapping of agp_memory into the GATT */
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index e72f49d5220..07e9796fead 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -828,14 +828,9 @@ static void __devexit agp_intel_remove(struct pci_dev *pdev)
static int agp_intel_resume(struct pci_dev *pdev)
{
struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
- int ret_val;
bridge->driver->configure();
- ret_val = agp_rebind_memory();
- if (ret_val != 0)
- return ret_val;
-
return 0;
}
#endif
diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h
index 90539df0250..010e3defd6c 100644
--- a/drivers/char/agp/intel-agp.h
+++ b/drivers/char/agp/intel-agp.h
@@ -75,6 +75,8 @@
#define I810_GMS_DISABLE 0x00000000
#define I810_PGETBL_CTL 0x2020
#define I810_PGETBL_ENABLED 0x00000001
+/* Note: PGETBL_CTL2 has a different offset on G33. */
+#define I965_PGETBL_CTL2 0x20c4
#define I965_PGETBL_SIZE_MASK 0x0000000e
#define I965_PGETBL_SIZE_512KB (0 << 1)
#define I965_PGETBL_SIZE_256KB (1 << 1)
@@ -82,9 +84,15 @@
#define I965_PGETBL_SIZE_1MB (3 << 1)
#define I965_PGETBL_SIZE_2MB (4 << 1)
#define I965_PGETBL_SIZE_1_5MB (5 << 1)
-#define G33_PGETBL_SIZE_MASK (3 << 8)
-#define G33_PGETBL_SIZE_1M (1 << 8)
-#define G33_PGETBL_SIZE_2M (2 << 8)
+#define G33_GMCH_SIZE_MASK (3 << 8)
+#define G33_GMCH_SIZE_1M (1 << 8)
+#define G33_GMCH_SIZE_2M (2 << 8)
+#define G4x_GMCH_SIZE_MASK (0xf << 8)
+#define G4x_GMCH_SIZE_1M (0x1 << 8)
+#define G4x_GMCH_SIZE_2M (0x3 << 8)
+#define G4x_GMCH_SIZE_VT_1M (0x9 << 8)
+#define G4x_GMCH_SIZE_VT_1_5M (0xa << 8)
+#define G4x_GMCH_SIZE_VT_2M (0xc << 8)
#define I810_DRAM_CTL 0x3000
#define I810_DRAM_ROW_0 0x00000001
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 29ac6d499fa..356f73e0d17 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -24,7 +24,6 @@
#include <asm/smp.h>
#include "agp.h"
#include "intel-agp.h"
-#include <linux/intel-gtt.h>
#include <drm/intel-gtt.h>
/*
@@ -39,40 +38,12 @@
#define USE_PCI_DMA_API 0
#endif
-/* Max amount of stolen space, anything above will be returned to Linux */
-int intel_max_stolen = 32 * 1024 * 1024;
-
-static const struct aper_size_info_fixed intel_i810_sizes[] =
-{
- {64, 16384, 4},
- /* The 32M mode still requires a 64k gatt */
- {32, 8192, 4}
-};
-
-#define AGP_DCACHE_MEMORY 1
-#define AGP_PHYS_MEMORY 2
-#define INTEL_AGP_CACHED_MEMORY 3
-
-static struct gatt_mask intel_i810_masks[] =
-{
- {.mask = I810_PTE_VALID, .type = 0},
- {.mask = (I810_PTE_VALID | I810_PTE_LOCAL), .type = AGP_DCACHE_MEMORY},
- {.mask = I810_PTE_VALID, .type = 0},
- {.mask = I810_PTE_VALID | I830_PTE_SYSTEM_CACHED,
- .type = INTEL_AGP_CACHED_MEMORY}
-};
-
-#define INTEL_AGP_UNCACHED_MEMORY 0
-#define INTEL_AGP_CACHED_MEMORY_LLC 1
-#define INTEL_AGP_CACHED_MEMORY_LLC_GFDT 2
-#define INTEL_AGP_CACHED_MEMORY_LLC_MLC 3
-#define INTEL_AGP_CACHED_MEMORY_LLC_MLC_GFDT 4
-
struct intel_gtt_driver {
unsigned int gen : 8;
unsigned int is_g33 : 1;
unsigned int is_pineview : 1;
unsigned int is_ironlake : 1;
+ unsigned int has_pgtbl_enable : 1;
unsigned int dma_mask_size : 8;
/* Chipset specific GTT setup */
int (*setup)(void);
@@ -95,13 +66,14 @@ static struct _intel_private {
u8 __iomem *registers;
phys_addr_t gtt_bus_addr;
phys_addr_t gma_bus_addr;
- phys_addr_t pte_bus_addr;
+ u32 PGETBL_save;
u32 __iomem *gtt; /* I915G */
int num_dcache_entries;
union {
void __iomem *i9xx_flush_page;
void *i8xx_flush_page;
};
+ char *i81x_gtt_table;
struct page *i8xx_page;
struct resource ifp_resource;
int resource_valid;
@@ -113,42 +85,31 @@ static struct _intel_private {
#define IS_G33 intel_private.driver->is_g33
#define IS_PINEVIEW intel_private.driver->is_pineview
#define IS_IRONLAKE intel_private.driver->is_ironlake
+#define HAS_PGTBL_EN intel_private.driver->has_pgtbl_enable
-static void intel_agp_free_sglist(struct agp_memory *mem)
-{
- struct sg_table st;
-
- st.sgl = mem->sg_list;
- st.orig_nents = st.nents = mem->page_count;
-
- sg_free_table(&st);
-
- mem->sg_list = NULL;
- mem->num_sg = 0;
-}
-
-static int intel_agp_map_memory(struct agp_memory *mem)
+int intel_gtt_map_memory(struct page **pages, unsigned int num_entries,
+ struct scatterlist **sg_list, int *num_sg)
{
struct sg_table st;
struct scatterlist *sg;
int i;
- if (mem->sg_list)
+ if (*sg_list)
return 0; /* already mapped (for e.g. resume */
- DBG("try mapping %lu pages\n", (unsigned long)mem->page_count);
+ DBG("try mapping %lu pages\n", (unsigned long)num_entries);
- if (sg_alloc_table(&st, mem->page_count, GFP_KERNEL))
+ if (sg_alloc_table(&st, num_entries, GFP_KERNEL))
goto err;
- mem->sg_list = sg = st.sgl;
+ *sg_list = sg = st.sgl;
- for (i = 0 ; i < mem->page_count; i++, sg = sg_next(sg))
- sg_set_page(sg, mem->pages[i], PAGE_SIZE, 0);
+ for (i = 0 ; i < num_entries; i++, sg = sg_next(sg))
+ sg_set_page(sg, pages[i], PAGE_SIZE, 0);
- mem->num_sg = pci_map_sg(intel_private.pcidev, mem->sg_list,
- mem->page_count, PCI_DMA_BIDIRECTIONAL);
- if (unlikely(!mem->num_sg))
+ *num_sg = pci_map_sg(intel_private.pcidev, *sg_list,
+ num_entries, PCI_DMA_BIDIRECTIONAL);
+ if (unlikely(!*num_sg))
goto err;
return 0;
@@ -157,90 +118,22 @@ err:
sg_free_table(&st);
return -ENOMEM;
}
+EXPORT_SYMBOL(intel_gtt_map_memory);
-static void intel_agp_unmap_memory(struct agp_memory *mem)
+void intel_gtt_unmap_memory(struct scatterlist *sg_list, int num_sg)
{
+ struct sg_table st;
DBG("try unmapping %lu pages\n", (unsigned long)mem->page_count);
- pci_unmap_sg(intel_private.pcidev, mem->sg_list,
- mem->page_count, PCI_DMA_BIDIRECTIONAL);
- intel_agp_free_sglist(mem);
-}
-
-static int intel_i810_fetch_size(void)
-{
- u32 smram_miscc;
- struct aper_size_info_fixed *values;
-
- pci_read_config_dword(intel_private.bridge_dev,
- I810_SMRAM_MISCC, &smram_miscc);
- values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes);
-
- if ((smram_miscc & I810_GMS) == I810_GMS_DISABLE) {
- dev_warn(&intel_private.bridge_dev->dev, "i810 is disabled\n");
- return 0;
- }
- if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) {
- agp_bridge->current_size = (void *) (values + 1);
- agp_bridge->aperture_size_idx = 1;
- return values[1].size;
- } else {
- agp_bridge->current_size = (void *) (values);
- agp_bridge->aperture_size_idx = 0;
- return values[0].size;
- }
-
- return 0;
-}
-
-static int intel_i810_configure(void)
-{
- struct aper_size_info_fixed *current_size;
- u32 temp;
- int i;
-
- current_size = A_SIZE_FIX(agp_bridge->current_size);
+ pci_unmap_sg(intel_private.pcidev, sg_list,
+ num_sg, PCI_DMA_BIDIRECTIONAL);
- if (!intel_private.registers) {
- pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp);
- temp &= 0xfff80000;
+ st.sgl = sg_list;
+ st.orig_nents = st.nents = num_sg;
- intel_private.registers = ioremap(temp, 128 * 4096);
- if (!intel_private.registers) {
- dev_err(&intel_private.pcidev->dev,
- "can't remap memory\n");
- return -ENOMEM;
- }
- }
-
- if ((readl(intel_private.registers+I810_DRAM_CTL)
- & I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) {
- /* This will need to be dynamically assigned */
- dev_info(&intel_private.pcidev->dev,
- "detected 4MB dedicated video ram\n");
- intel_private.num_dcache_entries = 1024;
- }
- pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp);
- agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
- writel(agp_bridge->gatt_bus_addr | I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL);
- readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */
-
- if (agp_bridge->driver->needs_scratch_page) {
- for (i = 0; i < current_size->num_entries; i++) {
- writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
- }
- readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI posting. */
- }
- global_cache_flush();
- return 0;
-}
-
-static void intel_i810_cleanup(void)
-{
- writel(0, intel_private.registers+I810_PGETBL_CTL);
- readl(intel_private.registers); /* PCI Posting. */
- iounmap(intel_private.registers);
+ sg_free_table(&st);
}
+EXPORT_SYMBOL(intel_gtt_unmap_memory);
static void intel_fake_agp_enable(struct agp_bridge_data *bridge, u32 mode)
{
@@ -277,80 +170,64 @@ static void i8xx_destroy_pages(struct page *page)
atomic_dec(&agp_bridge->current_memory_agp);
}
-static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start,
- int type)
+#define I810_GTT_ORDER 4
+static int i810_setup(void)
{
- int i, j, num_entries;
- void *temp;
- int ret = -EINVAL;
- int mask_type;
-
- if (mem->page_count == 0)
- goto out;
-
- temp = agp_bridge->current_size;
- num_entries = A_SIZE_FIX(temp)->num_entries;
+ u32 reg_addr;
+ char *gtt_table;
- if ((pg_start + mem->page_count) > num_entries)
- goto out_err;
+ /* i81x does not preallocate the gtt. It's always 64kb in size. */
+ gtt_table = alloc_gatt_pages(I810_GTT_ORDER);
+ if (gtt_table == NULL)
+ return -ENOMEM;
+ intel_private.i81x_gtt_table = gtt_table;
+ pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &reg_addr);
+ reg_addr &= 0xfff80000;
- for (j = pg_start; j < (pg_start + mem->page_count); j++) {
- if (!PGE_EMPTY(agp_bridge, readl(agp_bridge->gatt_table+j))) {
- ret = -EBUSY;
- goto out_err;
- }
- }
+ intel_private.registers = ioremap(reg_addr, KB(64));
+ if (!intel_private.registers)
+ return -ENOMEM;
- if (type != mem->type)
- goto out_err;
+ writel(virt_to_phys(gtt_table) | I810_PGETBL_ENABLED,
+ intel_private.registers+I810_PGETBL_CTL);
- mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type);
+ intel_private.gtt_bus_addr = reg_addr + I810_PTE_BASE;
- switch (mask_type) {
- case AGP_DCACHE_MEMORY:
- if (!mem->is_flushed)
- global_cache_flush();
- for (i = pg_start; i < (pg_start + mem->page_count); i++) {
- writel((i*4096)|I810_PTE_LOCAL|I810_PTE_VALID,
- intel_private.registers+I810_PTE_BASE+(i*4));
- }
- readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));
- break;
- case AGP_PHYS_MEMORY:
- case AGP_NORMAL_MEMORY:
- if (!mem->is_flushed)
- global_cache_flush();
- for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
- writel(agp_bridge->driver->mask_memory(agp_bridge,
- page_to_phys(mem->pages[i]), mask_type),
- intel_private.registers+I810_PTE_BASE+(j*4));
- }
- readl(intel_private.registers+I810_PTE_BASE+((j-1)*4));
- break;
- default:
- goto out_err;
+ if ((readl(intel_private.registers+I810_DRAM_CTL)
+ & I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) {
+ dev_info(&intel_private.pcidev->dev,
+ "detected 4MB dedicated video ram\n");
+ intel_private.num_dcache_entries = 1024;
}
-out:
- ret = 0;
-out_err:
- mem->is_flushed = true;
- return ret;
+ return 0;
}
-static int intel_i810_remove_entries(struct agp_memory *mem, off_t pg_start,
- int type)
+static void i810_cleanup(void)
+{
+ writel(0, intel_private.registers+I810_PGETBL_CTL);
+ free_gatt_pages(intel_private.i81x_gtt_table, I810_GTT_ORDER);
+}
+
+static int i810_insert_dcache_entries(struct agp_memory *mem, off_t pg_start,
+ int type)
{
int i;
- if (mem->page_count == 0)
- return 0;
+ if ((pg_start + mem->page_count)
+ > intel_private.num_dcache_entries)
+ return -EINVAL;
+
+ if (!mem->is_flushed)
+ global_cache_flush();
- for (i = pg_start; i < (mem->page_count + pg_start); i++) {
- writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
+ for (i = pg_start; i < (pg_start + mem->page_count); i++) {
+ dma_addr_t addr = i << PAGE_SHIFT;
+ intel_private.driver->write_entry(addr,
+ i, type);
}
- readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));
+ readl(intel_private.gtt+i-1);
return 0;
}
@@ -397,29 +274,6 @@ static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type)
return new;
}
-static struct agp_memory *intel_i810_alloc_by_type(size_t pg_count, int type)
-{
- struct agp_memory *new;
-
- if (type == AGP_DCACHE_MEMORY) {
- if (pg_count != intel_private.num_dcache_entries)
- return NULL;
-
- new = agp_create_memory(1);
- if (new == NULL)
- return NULL;
-
- new->type = AGP_DCACHE_MEMORY;
- new->page_count = pg_count;
- new->num_scratch_pages = 0;
- agp_free_page_array(new);
- return new;
- }
- if (type == AGP_PHYS_MEMORY)
- return alloc_agpphysmem_i8xx(pg_count, type);
- return NULL;
-}
-
static void intel_i810_free_by_type(struct agp_memory *curr)
{
agp_free_key(curr->key);
@@ -437,13 +291,6 @@ static void intel_i810_free_by_type(struct agp_memory *curr)
kfree(curr);
}
-static unsigned long intel_i810_mask_memory(struct agp_bridge_data *bridge,
- dma_addr_t addr, int type)
-{
- /* Type checking must be done elsewhere */
- return addr | bridge->driver->masks[type].mask;
-}
-
static int intel_gtt_setup_scratch_page(void)
{
struct page *page;
@@ -455,7 +302,7 @@ static int intel_gtt_setup_scratch_page(void)
get_page(page);
set_pages_uc(page, 1);
- if (USE_PCI_DMA_API && INTEL_GTT_GEN > 2) {
+ if (intel_private.base.needs_dmar) {
dma_addr = pci_map_page(intel_private.pcidev, page, 0,
PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
if (pci_dma_mapping_error(intel_private.pcidev, dma_addr))
@@ -470,34 +317,45 @@ static int intel_gtt_setup_scratch_page(void)
return 0;
}
-static const struct aper_size_info_fixed const intel_fake_agp_sizes[] = {
+static void i810_write_entry(dma_addr_t addr, unsigned int entry,
+ unsigned int flags)
+{
+ u32 pte_flags = I810_PTE_VALID;
+
+ switch (flags) {
+ case AGP_DCACHE_MEMORY:
+ pte_flags |= I810_PTE_LOCAL;
+ break;
+ case AGP_USER_CACHED_MEMORY:
+ pte_flags |= I830_PTE_SYSTEM_CACHED;
+ break;
+ }
+
+ writel(addr | pte_flags, intel_private.gtt + entry);
+}
+
+static const struct aper_size_info_fixed intel_fake_agp_sizes[] = {
+ {32, 8192, 3},
+ {64, 16384, 4},
{128, 32768, 5},
- /* The 64M mode still requires a 128k gatt */
- {64, 16384, 5},
{256, 65536, 6},
{512, 131072, 7},
};
-static unsigned int intel_gtt_stolen_entries(void)
+static unsigned int intel_gtt_stolen_size(void)
{
u16 gmch_ctrl;
u8 rdct;
int local = 0;
static const int ddt[4] = { 0, 16, 32, 64 };
- unsigned int overhead_entries, stolen_entries;
unsigned int stolen_size = 0;
+ if (INTEL_GTT_GEN == 1)
+ return 0; /* no stolen mem on i81x */
+
pci_read_config_word(intel_private.bridge_dev,
I830_GMCH_CTRL, &gmch_ctrl);
- if (INTEL_GTT_GEN > 4 || IS_PINEVIEW)
- overhead_entries = 0;
- else
- overhead_entries = intel_private.base.gtt_mappable_entries
- / 1024;
-
- overhead_entries += 1; /* BIOS popup */
-
if (intel_private.bridge_dev->device == PCI_DEVICE_ID_INTEL_82830_HB ||
intel_private.bridge_dev->device == PCI_DEVICE_ID_INTEL_82845G_HB) {
switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
@@ -623,12 +481,7 @@ static unsigned int intel_gtt_stolen_entries(void)
}
}
- if (!local && stolen_size > intel_max_stolen) {
- dev_info(&intel_private.bridge_dev->dev,
- "detected %dK stolen memory, trimming to %dK\n",
- stolen_size / KB(1), intel_max_stolen / KB(1));
- stolen_size = intel_max_stolen;
- } else if (stolen_size > 0) {
+ if (stolen_size > 0) {
dev_info(&intel_private.bridge_dev->dev, "detected %dK %s memory\n",
stolen_size / KB(1), local ? "local" : "stolen");
} else {
@@ -637,46 +490,88 @@ static unsigned int intel_gtt_stolen_entries(void)
stolen_size = 0;
}
- stolen_entries = stolen_size/KB(4) - overhead_entries;
+ return stolen_size;
+}
- return stolen_entries;
+static void i965_adjust_pgetbl_size(unsigned int size_flag)
+{
+ u32 pgetbl_ctl, pgetbl_ctl2;
+
+ /* ensure that ppgtt is disabled */
+ pgetbl_ctl2 = readl(intel_private.registers+I965_PGETBL_CTL2);
+ pgetbl_ctl2 &= ~I810_PGETBL_ENABLED;
+ writel(pgetbl_ctl2, intel_private.registers+I965_PGETBL_CTL2);
+
+ /* write the new ggtt size */
+ pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL);
+ pgetbl_ctl &= ~I965_PGETBL_SIZE_MASK;
+ pgetbl_ctl |= size_flag;
+ writel(pgetbl_ctl, intel_private.registers+I810_PGETBL_CTL);
}
-static unsigned int intel_gtt_total_entries(void)
+static unsigned int i965_gtt_total_entries(void)
{
int size;
+ u32 pgetbl_ctl;
+ u16 gmch_ctl;
- if (IS_G33 || INTEL_GTT_GEN == 4 || INTEL_GTT_GEN == 5) {
- u32 pgetbl_ctl;
- pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL);
+ pci_read_config_word(intel_private.bridge_dev,
+ I830_GMCH_CTRL, &gmch_ctl);
- switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) {
- case I965_PGETBL_SIZE_128KB:
- size = KB(128);
- break;
- case I965_PGETBL_SIZE_256KB:
- size = KB(256);
- break;
- case I965_PGETBL_SIZE_512KB:
- size = KB(512);
- break;
- case I965_PGETBL_SIZE_1MB:
- size = KB(1024);
+ if (INTEL_GTT_GEN == 5) {
+ switch (gmch_ctl & G4x_GMCH_SIZE_MASK) {
+ case G4x_GMCH_SIZE_1M:
+ case G4x_GMCH_SIZE_VT_1M:
+ i965_adjust_pgetbl_size(I965_PGETBL_SIZE_1MB);
break;
- case I965_PGETBL_SIZE_2MB:
- size = KB(2048);
+ case G4x_GMCH_SIZE_VT_1_5M:
+ i965_adjust_pgetbl_size(I965_PGETBL_SIZE_1_5MB);
break;
- case I965_PGETBL_SIZE_1_5MB:
- size = KB(1024 + 512);
+ case G4x_GMCH_SIZE_2M:
+ case G4x_GMCH_SIZE_VT_2M:
+ i965_adjust_pgetbl_size(I965_PGETBL_SIZE_2MB);
break;
- default:
- dev_info(&intel_private.pcidev->dev,
- "unknown page table size, assuming 512KB\n");
- size = KB(512);
}
+ }
- return size/4;
- } else if (INTEL_GTT_GEN == 6) {
+ pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL);
+
+ switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) {
+ case I965_PGETBL_SIZE_128KB:
+ size = KB(128);
+ break;
+ case I965_PGETBL_SIZE_256KB:
+ size = KB(256);
+ break;
+ case I965_PGETBL_SIZE_512KB:
+ size = KB(512);
+ break;
+ /* GTT pagetable sizes bigger than 512KB are not possible on G33! */
+ case I965_PGETBL_SIZE_1MB:
+ size = KB(1024);
+ break;
+ case I965_PGETBL_SIZE_2MB:
+ size = KB(2048);
+ break;
+ case I965_PGETBL_SIZE_1_5MB:
+ size = KB(1024 + 512);
+ break;
+ default:
+ dev_info(&intel_private.pcidev->dev,
+ "unknown page table size, assuming 512KB\n");
+ size = KB(512);
+ }
+
+ return size/4;
+}
+
+static unsigned int intel_gtt_total_entries(void)
+{
+ int size;
+
+ if (IS_G33 || INTEL_GTT_GEN == 4 || INTEL_GTT_GEN == 5)
+ return i965_gtt_total_entries();
+ else if (INTEL_GTT_GEN == 6) {
u16 snb_gmch_ctl;
pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl);
@@ -706,7 +601,18 @@ static unsigned int intel_gtt_mappable_entries(void)
{
unsigned int aperture_size;
- if (INTEL_GTT_GEN == 2) {
+ if (INTEL_GTT_GEN == 1) {
+ u32 smram_miscc;
+
+ pci_read_config_dword(intel_private.bridge_dev,
+ I810_SMRAM_MISCC, &smram_miscc);
+
+ if ((smram_miscc & I810_GFX_MEM_WIN_SIZE)
+ == I810_GFX_MEM_WIN_32M)
+ aperture_size = MB(32);
+ else
+ aperture_size = MB(64);
+ } else if (INTEL_GTT_GEN == 2) {
u16 gmch_ctrl;
pci_read_config_word(intel_private.bridge_dev,
@@ -739,7 +645,7 @@ static void intel_gtt_cleanup(void)
iounmap(intel_private.gtt);
iounmap(intel_private.registers);
-
+
intel_gtt_teardown_scratch_page();
}
@@ -755,6 +661,14 @@ static int intel_gtt_init(void)
intel_private.base.gtt_mappable_entries = intel_gtt_mappable_entries();
intel_private.base.gtt_total_entries = intel_gtt_total_entries();
+ /* save the PGETBL reg for resume */
+ intel_private.PGETBL_save =
+ readl(intel_private.registers+I810_PGETBL_CTL)
+ & ~I810_PGETBL_ENABLED;
+ /* we only ever restore the register when enabling the PGTBL... */
+ if (HAS_PGTBL_EN)
+ intel_private.PGETBL_save |= I810_PGETBL_ENABLED;
+
dev_info(&intel_private.bridge_dev->dev,
"detected gtt size: %dK total, %dK mappable\n",
intel_private.base.gtt_total_entries * 4,
@@ -772,14 +686,7 @@ static int intel_gtt_init(void)
global_cache_flush(); /* FIXME: ? */
- /* we have to call this as early as possible after the MMIO base address is known */
- intel_private.base.gtt_stolen_entries = intel_gtt_stolen_entries();
- if (intel_private.base.gtt_stolen_entries == 0) {
- intel_private.driver->cleanup();
- iounmap(intel_private.registers);
- iounmap(intel_private.gtt);
- return -ENOMEM;
- }
+ intel_private.base.stolen_size = intel_gtt_stolen_size();
ret = intel_gtt_setup_scratch_page();
if (ret != 0) {
@@ -787,6 +694,8 @@ static int intel_gtt_init(void)
return ret;
}
+ intel_private.base.needs_dmar = USE_PCI_DMA_API && INTEL_GTT_GEN > 2;
+
return 0;
}
@@ -862,25 +771,19 @@ static void i830_write_entry(dma_addr_t addr, unsigned int entry,
unsigned int flags)
{
u32 pte_flags = I810_PTE_VALID;
-
- switch (flags) {
- case AGP_DCACHE_MEMORY:
- pte_flags |= I810_PTE_LOCAL;
- break;
- case AGP_USER_CACHED_MEMORY:
+
+ if (flags == AGP_USER_CACHED_MEMORY)
pte_flags |= I830_PTE_SYSTEM_CACHED;
- break;
- }
writel(addr | pte_flags, intel_private.gtt + entry);
}
-static void intel_enable_gtt(void)
+static bool intel_enable_gtt(void)
{
u32 gma_addr;
- u16 gmch_ctrl;
+ u8 __iomem *reg;
- if (INTEL_GTT_GEN == 2)
+ if (INTEL_GTT_GEN <= 2)
pci_read_config_dword(intel_private.pcidev, I810_GMADDR,
&gma_addr);
else
@@ -889,13 +792,38 @@ static void intel_enable_gtt(void)
intel_private.gma_bus_addr = (gma_addr & PCI_BASE_ADDRESS_MEM_MASK);
- pci_read_config_word(intel_private.bridge_dev, I830_GMCH_CTRL, &gmch_ctrl);
- gmch_ctrl |= I830_GMCH_ENABLED;
- pci_write_config_word(intel_private.bridge_dev, I830_GMCH_CTRL, gmch_ctrl);
+ if (INTEL_GTT_GEN >= 6)
+ return true;
- writel(intel_private.pte_bus_addr|I810_PGETBL_ENABLED,
- intel_private.registers+I810_PGETBL_CTL);
- readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */
+ if (INTEL_GTT_GEN == 2) {
+ u16 gmch_ctrl;
+
+ pci_read_config_word(intel_private.bridge_dev,
+ I830_GMCH_CTRL, &gmch_ctrl);
+ gmch_ctrl |= I830_GMCH_ENABLED;
+ pci_write_config_word(intel_private.bridge_dev,
+ I830_GMCH_CTRL, gmch_ctrl);
+
+ pci_read_config_word(intel_private.bridge_dev,
+ I830_GMCH_CTRL, &gmch_ctrl);
+ if ((gmch_ctrl & I830_GMCH_ENABLED) == 0) {
+ dev_err(&intel_private.pcidev->dev,
+ "failed to enable the GTT: GMCH_CTRL=%x\n",
+ gmch_ctrl);
+ return false;
+ }
+ }
+
+ reg = intel_private.registers+I810_PGETBL_CTL;
+ writel(intel_private.PGETBL_save, reg);
+ if (HAS_PGTBL_EN && (readl(reg) & I810_PGETBL_ENABLED) == 0) {
+ dev_err(&intel_private.pcidev->dev,
+ "failed to enable the GTT: PGETBL=%x [expected %x]\n",
+ readl(reg), intel_private.PGETBL_save);
+ return false;
+ }
+
+ return true;
}
static int i830_setup(void)
@@ -910,8 +838,6 @@ static int i830_setup(void)
return -ENOMEM;
intel_private.gtt_bus_addr = reg_addr + I810_PTE_BASE;
- intel_private.pte_bus_addr =
- readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
intel_i830_setup_flush();
@@ -936,12 +862,12 @@ static int intel_fake_agp_configure(void)
{
int i;
- intel_enable_gtt();
+ if (!intel_enable_gtt())
+ return -EIO;
agp_bridge->gart_bus_addr = intel_private.gma_bus_addr;
- for (i = intel_private.base.gtt_stolen_entries;
- i < intel_private.base.gtt_total_entries; i++) {
+ for (i = 0; i < intel_private.base.gtt_total_entries; i++) {
intel_private.driver->write_entry(intel_private.scratch_page_dma,
i, 0);
}
@@ -965,10 +891,10 @@ static bool i830_check_flags(unsigned int flags)
return false;
}
-static void intel_gtt_insert_sg_entries(struct scatterlist *sg_list,
- unsigned int sg_len,
- unsigned int pg_start,
- unsigned int flags)
+void intel_gtt_insert_sg_entries(struct scatterlist *sg_list,
+ unsigned int sg_len,
+ unsigned int pg_start,
+ unsigned int flags)
{
struct scatterlist *sg;
unsigned int len, m;
@@ -989,27 +915,34 @@ static void intel_gtt_insert_sg_entries(struct scatterlist *sg_list,
}
readl(intel_private.gtt+j-1);
}
+EXPORT_SYMBOL(intel_gtt_insert_sg_entries);
+
+void intel_gtt_insert_pages(unsigned int first_entry, unsigned int num_entries,
+ struct page **pages, unsigned int flags)
+{
+ int i, j;
+
+ for (i = 0, j = first_entry; i < num_entries; i++, j++) {
+ dma_addr_t addr = page_to_phys(pages[i]);
+ intel_private.driver->write_entry(addr,
+ j, flags);
+ }
+ readl(intel_private.gtt+j-1);
+}
+EXPORT_SYMBOL(intel_gtt_insert_pages);
static int intel_fake_agp_insert_entries(struct agp_memory *mem,
off_t pg_start, int type)
{
- int i, j;
int ret = -EINVAL;
+ if (INTEL_GTT_GEN == 1 && type == AGP_DCACHE_MEMORY)
+ return i810_insert_dcache_entries(mem, pg_start, type);
+
if (mem->page_count == 0)
goto out;
- if (pg_start < intel_private.base.gtt_stolen_entries) {
- dev_printk(KERN_DEBUG, &intel_private.pcidev->dev,
- "pg_start == 0x%.8lx, gtt_stolen_entries == 0x%.8x\n",
- pg_start, intel_private.base.gtt_stolen_entries);
-
- dev_info(&intel_private.pcidev->dev,
- "trying to insert into local/stolen memory\n");
- goto out_err;
- }
-
- if ((pg_start + mem->page_count) > intel_private.base.gtt_total_entries)
+ if (pg_start + mem->page_count > intel_private.base.gtt_total_entries)
goto out_err;
if (type != mem->type)
@@ -1021,21 +954,17 @@ static int intel_fake_agp_insert_entries(struct agp_memory *mem,
if (!mem->is_flushed)
global_cache_flush();
- if (USE_PCI_DMA_API && INTEL_GTT_GEN > 2) {
- ret = intel_agp_map_memory(mem);
+ if (intel_private.base.needs_dmar) {
+ ret = intel_gtt_map_memory(mem->pages, mem->page_count,
+ &mem->sg_list, &mem->num_sg);
if (ret != 0)
return ret;
intel_gtt_insert_sg_entries(mem->sg_list, mem->num_sg,
pg_start, type);
- } else {
- for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
- dma_addr_t addr = page_to_phys(mem->pages[i]);
- intel_private.driver->write_entry(addr,
- j, type);
- }
- readl(intel_private.gtt+j-1);
- }
+ } else
+ intel_gtt_insert_pages(pg_start, mem->page_count, mem->pages,
+ type);
out:
ret = 0;
@@ -1044,40 +973,54 @@ out_err:
return ret;
}
+void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries)
+{
+ unsigned int i;
+
+ for (i = first_entry; i < (first_entry + num_entries); i++) {
+ intel_private.driver->write_entry(intel_private.scratch_page_dma,
+ i, 0);
+ }
+ readl(intel_private.gtt+i-1);
+}
+EXPORT_SYMBOL(intel_gtt_clear_range);
+
static int intel_fake_agp_remove_entries(struct agp_memory *mem,
off_t pg_start, int type)
{
- int i;
-
if (mem->page_count == 0)
return 0;
- if (pg_start < intel_private.base.gtt_stolen_entries) {
- dev_info(&intel_private.pcidev->dev,
- "trying to disable local/stolen memory\n");
- return -EINVAL;
+ if (intel_private.base.needs_dmar) {
+ intel_gtt_unmap_memory(mem->sg_list, mem->num_sg);
+ mem->sg_list = NULL;
+ mem->num_sg = 0;
}
- if (USE_PCI_DMA_API && INTEL_GTT_GEN > 2)
- intel_agp_unmap_memory(mem);
-
- for (i = pg_start; i < (mem->page_count + pg_start); i++) {
- intel_private.driver->write_entry(intel_private.scratch_page_dma,
- i, 0);
- }
- readl(intel_private.gtt+i-1);
+ intel_gtt_clear_range(pg_start, mem->page_count);
return 0;
}
-static void intel_fake_agp_chipset_flush(struct agp_bridge_data *bridge)
-{
- intel_private.driver->chipset_flush();
-}
-
static struct agp_memory *intel_fake_agp_alloc_by_type(size_t pg_count,
int type)
{
+ struct agp_memory *new;
+
+ if (type == AGP_DCACHE_MEMORY && INTEL_GTT_GEN == 1) {
+ if (pg_count != intel_private.num_dcache_entries)
+ return NULL;
+
+ new = agp_create_memory(1);
+ if (new == NULL)
+ return NULL;
+
+ new->type = AGP_DCACHE_MEMORY;
+ new->page_count = pg_count;
+ new->num_scratch_pages = 0;
+ agp_free_page_array(new);
+ return new;
+ }
if (type == AGP_PHYS_MEMORY)
return alloc_agpphysmem_i8xx(pg_count, type);
/* always return NULL for other allocation types for now */
@@ -1274,40 +1217,11 @@ static int i9xx_setup(void)
intel_private.gtt_bus_addr = reg_addr + gtt_offset;
}
- intel_private.pte_bus_addr =
- readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
-
intel_i9xx_setup_flush();
return 0;
}
-static const struct agp_bridge_driver intel_810_driver = {
- .owner = THIS_MODULE,
- .aperture_sizes = intel_i810_sizes,
- .size_type = FIXED_APER_SIZE,
- .num_aperture_sizes = 2,
- .needs_scratch_page = true,
- .configure = intel_i810_configure,
- .fetch_size = intel_i810_fetch_size,
- .cleanup = intel_i810_cleanup,
- .mask_memory = intel_i810_mask_memory,
- .masks = intel_i810_masks,
- .agp_enable = intel_fake_agp_enable,
- .cache_flush = global_cache_flush,
- .create_gatt_table = agp_generic_create_gatt_table,
- .free_gatt_table = agp_generic_free_gatt_table,
- .insert_memory = intel_i810_insert_entries,
- .remove_memory = intel_i810_remove_entries,
- .alloc_by_type = intel_i810_alloc_by_type,
- .free_by_type = intel_i810_free_by_type,
- .agp_alloc_page = agp_generic_alloc_page,
- .agp_alloc_pages = agp_generic_alloc_pages,
- .agp_destroy_page = agp_generic_destroy_page,
- .agp_destroy_pages = agp_generic_destroy_pages,
- .agp_type_to_mask_type = agp_generic_type_to_mask_type,
-};
-
static const struct agp_bridge_driver intel_fake_agp_driver = {
.owner = THIS_MODULE,
.size_type = FIXED_APER_SIZE,
@@ -1328,15 +1242,20 @@ static const struct agp_bridge_driver intel_fake_agp_driver = {
.agp_alloc_pages = agp_generic_alloc_pages,
.agp_destroy_page = agp_generic_destroy_page,
.agp_destroy_pages = agp_generic_destroy_pages,
- .chipset_flush = intel_fake_agp_chipset_flush,
};
static const struct intel_gtt_driver i81x_gtt_driver = {
.gen = 1,
+ .has_pgtbl_enable = 1,
.dma_mask_size = 32,
+ .setup = i810_setup,
+ .cleanup = i810_cleanup,
+ .check_flags = i830_check_flags,
+ .write_entry = i810_write_entry,
};
static const struct intel_gtt_driver i8xx_gtt_driver = {
.gen = 2,
+ .has_pgtbl_enable = 1,
.setup = i830_setup,
.cleanup = i830_cleanup,
.write_entry = i830_write_entry,
@@ -1346,10 +1265,11 @@ static const struct intel_gtt_driver i8xx_gtt_driver = {
};
static const struct intel_gtt_driver i915_gtt_driver = {
.gen = 3,
+ .has_pgtbl_enable = 1,
.setup = i9xx_setup,
.cleanup = i9xx_cleanup,
/* i945 is the last gpu to need phys mem (for overlay and cursors). */
- .write_entry = i830_write_entry,
+ .write_entry = i830_write_entry,
.dma_mask_size = 32,
.check_flags = i830_check_flags,
.chipset_flush = i9xx_chipset_flush,
@@ -1376,6 +1296,7 @@ static const struct intel_gtt_driver pineview_gtt_driver = {
};
static const struct intel_gtt_driver i965_gtt_driver = {
.gen = 4,
+ .has_pgtbl_enable = 1,
.setup = i9xx_setup,
.cleanup = i9xx_cleanup,
.write_entry = i965_write_entry,
@@ -1419,93 +1340,92 @@ static const struct intel_gtt_driver sandybridge_gtt_driver = {
static const struct intel_gtt_driver_description {
unsigned int gmch_chip_id;
char *name;
- const struct agp_bridge_driver *gmch_driver;
const struct intel_gtt_driver *gtt_driver;
} intel_gtt_chipsets[] = {
- { PCI_DEVICE_ID_INTEL_82810_IG1, "i810", &intel_810_driver,
+ { PCI_DEVICE_ID_INTEL_82810_IG1, "i810",
&i81x_gtt_driver},
- { PCI_DEVICE_ID_INTEL_82810_IG3, "i810", &intel_810_driver,
+ { PCI_DEVICE_ID_INTEL_82810_IG3, "i810",
&i81x_gtt_driver},
- { PCI_DEVICE_ID_INTEL_82810E_IG, "i810", &intel_810_driver,
+ { PCI_DEVICE_ID_INTEL_82810E_IG, "i810",
&i81x_gtt_driver},
- { PCI_DEVICE_ID_INTEL_82815_CGC, "i815", &intel_810_driver,
+ { PCI_DEVICE_ID_INTEL_82815_CGC, "i815",
&i81x_gtt_driver},
{ PCI_DEVICE_ID_INTEL_82830_CGC, "830M",
- &intel_fake_agp_driver, &i8xx_gtt_driver},
+ &i8xx_gtt_driver},
{ PCI_DEVICE_ID_INTEL_82845G_IG, "830M",
- &intel_fake_agp_driver, &i8xx_gtt_driver},
+ &i8xx_gtt_driver},
{ PCI_DEVICE_ID_INTEL_82854_IG, "854",
- &intel_fake_agp_driver, &i8xx_gtt_driver},
+ &i8xx_gtt_driver},
{ PCI_DEVICE_ID_INTEL_82855GM_IG, "855GM",
- &intel_fake_agp_driver, &i8xx_gtt_driver},
+ &i8xx_gtt_driver},
{ PCI_DEVICE_ID_INTEL_82865_IG, "865",
- &intel_fake_agp_driver, &i8xx_gtt_driver},
+ &i8xx_gtt_driver},
{ PCI_DEVICE_ID_INTEL_E7221_IG, "E7221 (i915)",
- &intel_fake_agp_driver, &i915_gtt_driver },
+ &i915_gtt_driver },
{ PCI_DEVICE_ID_INTEL_82915G_IG, "915G",
- &intel_fake_agp_driver, &i915_gtt_driver },
+ &i915_gtt_driver },
{ PCI_DEVICE_ID_INTEL_82915GM_IG, "915GM",
- &intel_fake_agp_driver, &i915_gtt_driver },
+ &i915_gtt_driver },
{ PCI_DEVICE_ID_INTEL_82945G_IG, "945G",
- &intel_fake_agp_driver, &i915_gtt_driver },
+ &i915_gtt_driver },
{ PCI_DEVICE_ID_INTEL_82945GM_IG, "945GM",
- &intel_fake_agp_driver, &i915_gtt_driver },
+ &i915_gtt_driver },
{ PCI_DEVICE_ID_INTEL_82945GME_IG, "945GME",
- &intel_fake_agp_driver, &i915_gtt_driver },
+ &i915_gtt_driver },
{ PCI_DEVICE_ID_INTEL_82946GZ_IG, "946GZ",
- &intel_fake_agp_driver, &i965_gtt_driver },
+ &i965_gtt_driver },
{ PCI_DEVICE_ID_INTEL_82G35_IG, "G35",
- &intel_fake_agp_driver, &i965_gtt_driver },
+ &i965_gtt_driver },
{ PCI_DEVICE_ID_INTEL_82965Q_IG, "965Q",
- &intel_fake_agp_driver, &i965_gtt_driver },
+ &i965_gtt_driver },
{ PCI_DEVICE_ID_INTEL_82965G_IG, "965G",
- &intel_fake_agp_driver, &i965_gtt_driver },
+ &i965_gtt_driver },
{ PCI_DEVICE_ID_INTEL_82965GM_IG, "965GM",
- &intel_fake_agp_driver, &i965_gtt_driver },
+ &i965_gtt_driver },
{ PCI_DEVICE_ID_INTEL_82965GME_IG, "965GME/GLE",
- &intel_fake_agp_driver, &i965_gtt_driver },
+ &i965_gtt_driver },
{ PCI_DEVICE_ID_INTEL_G33_IG, "G33",
- &intel_fake_agp_driver, &g33_gtt_driver },
+ &g33_gtt_driver },
{ PCI_DEVICE_ID_INTEL_Q35_IG, "Q35",
- &intel_fake_agp_driver, &g33_gtt_driver },
+ &g33_gtt_driver },
{ PCI_DEVICE_ID_INTEL_Q33_IG, "Q33",
- &intel_fake_agp_driver, &g33_gtt_driver },
+ &g33_gtt_driver },
{ PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG, "GMA3150",
- &intel_fake_agp_driver, &pineview_gtt_driver },
+ &pineview_gtt_driver },
{ PCI_DEVICE_ID_INTEL_PINEVIEW_IG, "GMA3150",
- &intel_fake_agp_driver, &pineview_gtt_driver },
+ &pineview_gtt_driver },
{ PCI_DEVICE_ID_INTEL_GM45_IG, "GM45",
- &intel_fake_agp_driver, &g4x_gtt_driver },
+ &g4x_gtt_driver },
{ PCI_DEVICE_ID_INTEL_EAGLELAKE_IG, "Eaglelake",
- &intel_fake_agp_driver, &g4x_gtt_driver },
+ &g4x_gtt_driver },
{ PCI_DEVICE_ID_INTEL_Q45_IG, "Q45/Q43",
- &intel_fake_agp_driver, &g4x_gtt_driver },
+ &g4x_gtt_driver },
{ PCI_DEVICE_ID_INTEL_G45_IG, "G45/G43",
- &intel_fake_agp_driver, &g4x_gtt_driver },
+ &g4x_gtt_driver },
{ PCI_DEVICE_ID_INTEL_B43_IG, "B43",
- &intel_fake_agp_driver, &g4x_gtt_driver },
+ &g4x_gtt_driver },
{ PCI_DEVICE_ID_INTEL_B43_1_IG, "B43",
- &intel_fake_agp_driver, &g4x_gtt_driver },
+ &g4x_gtt_driver },
{ PCI_DEVICE_ID_INTEL_G41_IG, "G41",
- &intel_fake_agp_driver, &g4x_gtt_driver },
+ &g4x_gtt_driver },
{ PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG,
- "HD Graphics", &intel_fake_agp_driver, &ironlake_gtt_driver },
+ "HD Graphics", &ironlake_gtt_driver },
{ PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG,
- "HD Graphics", &intel_fake_agp_driver, &ironlake_gtt_driver },
+ "HD Graphics", &ironlake_gtt_driver },
{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT1_IG,
- "Sandybridge", &intel_fake_agp_driver, &sandybridge_gtt_driver },
+ "Sandybridge", &sandybridge_gtt_driver },
{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT2_IG,
- "Sandybridge", &intel_fake_agp_driver, &sandybridge_gtt_driver },
+ "Sandybridge", &sandybridge_gtt_driver },
{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT2_PLUS_IG,
- "Sandybridge", &intel_fake_agp_driver, &sandybridge_gtt_driver },
+ "Sandybridge", &sandybridge_gtt_driver },
{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT1_IG,
- "Sandybridge", &intel_fake_agp_driver, &sandybridge_gtt_driver },
+ "Sandybridge", &sandybridge_gtt_driver },
{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT2_IG,
- "Sandybridge", &intel_fake_agp_driver, &sandybridge_gtt_driver },
+ "Sandybridge", &sandybridge_gtt_driver },
{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT2_PLUS_IG,
- "Sandybridge", &intel_fake_agp_driver, &sandybridge_gtt_driver },
+ "Sandybridge", &sandybridge_gtt_driver },
{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_S_IG,
- "Sandybridge", &intel_fake_agp_driver, &sandybridge_gtt_driver },
+ "Sandybridge", &sandybridge_gtt_driver },
{ 0, NULL, NULL }
};
@@ -1530,21 +1450,20 @@ int intel_gmch_probe(struct pci_dev *pdev,
struct agp_bridge_data *bridge)
{
int i, mask;
- bridge->driver = NULL;
+ intel_private.driver = NULL;
for (i = 0; intel_gtt_chipsets[i].name != NULL; i++) {
if (find_gmch(intel_gtt_chipsets[i].gmch_chip_id)) {
- bridge->driver =
- intel_gtt_chipsets[i].gmch_driver;
- intel_private.driver =
+ intel_private.driver =
intel_gtt_chipsets[i].gtt_driver;
break;
}
}
- if (!bridge->driver)
+ if (!intel_private.driver)
return 0;
+ bridge->driver = &intel_fake_agp_driver;
bridge->dev_private_data = &intel_private;
bridge->dev = pdev;
@@ -1560,8 +1479,8 @@ int intel_gmch_probe(struct pci_dev *pdev,
pci_set_consistent_dma_mask(intel_private.pcidev,
DMA_BIT_MASK(mask));
- if (bridge->driver == &intel_810_driver)
- return 1;
+ /*if (bridge->driver == &intel_810_driver)
+ return 1;*/
if (intel_gtt_init() != 0)
return 0;
@@ -1570,12 +1489,19 @@ int intel_gmch_probe(struct pci_dev *pdev,
}
EXPORT_SYMBOL(intel_gmch_probe);
-struct intel_gtt *intel_gtt_get(void)
+const struct intel_gtt *intel_gtt_get(void)
{
return &intel_private.base;
}
EXPORT_SYMBOL(intel_gtt_get);
+void intel_gtt_chipset_flush(void)
+{
+ if (intel_private.driver->chipset_flush)
+ intel_private.driver->chipset_flush();
+}
+EXPORT_SYMBOL(intel_gtt_chipset_flush);
+
void intel_gmch_remove(struct pci_dev *pdev)
{
if (intel_private.pcidev)
diff --git a/drivers/char/hvc_dcc.c b/drivers/char/hvc_dcc.c
new file mode 100644
index 00000000000..6470f63deb4
--- /dev/null
+++ b/drivers/char/hvc_dcc.c
@@ -0,0 +1,133 @@
+/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
+
+#include <asm/processor.h>
+
+#include "hvc_console.h"
+
+/* DCC Status Bits */
+#define DCC_STATUS_RX (1 << 30)
+#define DCC_STATUS_TX (1 << 29)
+
+static inline u32 __dcc_getstatus(void)
+{
+ u32 __ret;
+
+ asm("mrc p14, 0, %0, c0, c1, 0 @ read comms ctrl reg"
+ : "=r" (__ret) : : "cc");
+
+ return __ret;
+}
+
+
+#if defined(CONFIG_CPU_V7)
+static inline char __dcc_getchar(void)
+{
+ char __c;
+
+ asm("get_wait: mrc p14, 0, pc, c0, c1, 0 \n\
+ bne get_wait \n\
+ mrc p14, 0, %0, c0, c5, 0 @ read comms data reg"
+ : "=r" (__c) : : "cc");
+
+ return __c;
+}
+#else
+static inline char __dcc_getchar(void)
+{
+ char __c;
+
+ asm("mrc p14, 0, %0, c0, c5, 0 @ read comms data reg"
+ : "=r" (__c));
+
+ return __c;
+}
+#endif
+
+#if defined(CONFIG_CPU_V7)
+static inline void __dcc_putchar(char c)
+{
+ asm("put_wait: mrc p14, 0, pc, c0, c1, 0 \n\
+ bcs put_wait \n\
+ mcr p14, 0, %0, c0, c5, 0 "
+ : : "r" (c) : "cc");
+}
+#else
+static inline void __dcc_putchar(char c)
+{
+ asm("mcr p14, 0, %0, c0, c5, 0 @ write a char"
+ : /* no output register */
+ : "r" (c));
+}
+#endif
+
+static int hvc_dcc_put_chars(uint32_t vt, const char *buf, int count)
+{
+ int i;
+
+ for (i = 0; i < count; i++) {
+ while (__dcc_getstatus() & DCC_STATUS_TX)
+ cpu_relax();
+
+ __dcc_putchar((char)(buf[i] & 0xFF));
+ }
+
+ return count;
+}
+
+static int hvc_dcc_get_chars(uint32_t vt, char *buf, int count)
+{
+ int i;
+
+ for (i = 0; i < count; ++i) {
+ int c = -1;
+
+ if (__dcc_getstatus() & DCC_STATUS_RX)
+ c = __dcc_getchar();
+ if (c < 0)
+ break;
+ buf[i] = c;
+ }
+
+ return i;
+}
+
+static const struct hv_ops hvc_dcc_get_put_ops = {
+ .get_chars = hvc_dcc_get_chars,
+ .put_chars = hvc_dcc_put_chars,
+};
+
+static int __init hvc_dcc_console_init(void)
+{
+ hvc_instantiate(0, 0, &hvc_dcc_get_put_ops);
+ return 0;
+}
+console_initcall(hvc_dcc_console_init);
+
+static int __init hvc_dcc_init(void)
+{
+ hvc_alloc(0, 0, &hvc_dcc_get_put_ops, 128);
+ return 0;
+}
+device_initcall(hvc_dcc_init);
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index a2bc885ce60..67a75a502c0 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -850,8 +850,8 @@ static void hvsi_flush_output(struct hvsi_struct *hp)
wait_event_timeout(hp->emptyq, (hp->n_outbuf <= 0), HVSI_TIMEOUT);
/* 'writer' could still be pending if it didn't see n_outbuf = 0 yet */
- cancel_delayed_work(&hp->writer);
- flush_scheduled_work();
+ cancel_delayed_work_sync(&hp->writer);
+ flush_work_sync(&hp->handshaker);
/*
* it's also possible that our timeout expired and hvsi_write_worker
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index fcd02baa7d6..c3a025356b8 100644
--- a/drivers/char/ip2/ip2main.c
+++ b/drivers/char/ip2/ip2main.c
@@ -3224,7 +3224,7 @@ ip2trace (unsigned short pn, unsigned char cat, unsigned char label, unsigned lo
MODULE_LICENSE("GPL");
-static struct pci_device_id ip2main_pci_tbl[] __devinitdata = {
+static struct pci_device_id ip2main_pci_tbl[] __devinitdata __used = {
{ PCI_DEVICE(PCI_VENDOR_ID_COMPUTONE, PCI_DEVICE_ID_COMPUTONE_IP2EX) },
{ }
};
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 035da9e64a1..f27c04e18aa 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -69,6 +69,8 @@
#ifdef CONFIG_PPC_OF
#include <linux/of_device.h>
#include <linux/of_platform.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
#endif
#define PFX "ipmi_si: "
@@ -2546,7 +2548,7 @@ static int __devinit ipmi_of_probe(struct platform_device *dev,
{
struct smi_info *info;
struct resource resource;
- const int *regsize, *regspacing, *regshift;
+ const __be32 *regsize, *regspacing, *regshift;
struct device_node *np = dev->dev.of_node;
int ret;
int proplen;
@@ -2599,9 +2601,9 @@ static int __devinit ipmi_of_probe(struct platform_device *dev,
info->io.addr_data = resource.start;
- info->io.regsize = regsize ? *regsize : DEFAULT_REGSIZE;
- info->io.regspacing = regspacing ? *regspacing : DEFAULT_REGSPACING;
- info->io.regshift = regshift ? *regshift : 0;
+ info->io.regsize = regsize ? be32_to_cpup(regsize) : DEFAULT_REGSIZE;
+ info->io.regspacing = regspacing ? be32_to_cpup(regspacing) : DEFAULT_REGSPACING;
+ info->io.regshift = regshift ? be32_to_cpup(regshift) : 0;
info->irq = irq_of_parse_and_map(dev->dev.of_node, 0);
info->dev = &dev->dev;
diff --git a/drivers/char/pcmcia/ipwireless/hardware.c b/drivers/char/pcmcia/ipwireless/hardware.c
index 99cffdab105..0aeb5a38d29 100644
--- a/drivers/char/pcmcia/ipwireless/hardware.c
+++ b/drivers/char/pcmcia/ipwireless/hardware.c
@@ -1729,7 +1729,7 @@ void ipwireless_hardware_free(struct ipw_hardware *hw)
ipwireless_stop_interrupts(hw);
- flush_scheduled_work();
+ flush_work_sync(&hw->work_rx);
for (i = 0; i < NL_NUM_OF_ADDRESSES; i++)
if (hw->packet_assembler[i] != NULL)
diff --git a/drivers/char/pcmcia/ipwireless/network.c b/drivers/char/pcmcia/ipwireless/network.c
index 9fe53834793..f7daeea598e 100644
--- a/drivers/char/pcmcia/ipwireless/network.c
+++ b/drivers/char/pcmcia/ipwireless/network.c
@@ -430,7 +430,8 @@ void ipwireless_network_free(struct ipw_network *network)
network->shutting_down = 1;
ipwireless_ppp_close(network);
- flush_scheduled_work();
+ flush_work_sync(&network->work_go_online);
+ flush_work_sync(&network->work_go_offline);
ipwireless_stop_interrupts(network->hardware);
ipwireless_associate_network(network->hardware, NULL);
diff --git a/drivers/char/pcmcia/ipwireless/tty.c b/drivers/char/pcmcia/ipwireless/tty.c
index 1a2c2c3b068..f5eb28b6cb0 100644
--- a/drivers/char/pcmcia/ipwireless/tty.c
+++ b/drivers/char/pcmcia/ipwireless/tty.c
@@ -577,7 +577,7 @@ void ipwireless_tty_free(struct ipw_tty *tty)
mutex_unlock(&ttyj->ipw_tty_mutex);
tty_hangup(ttyj->linux_tty);
/* Wait till the tty_hangup has completed */
- flush_scheduled_work();
+ flush_work_sync(&ttyj->linux_tty->hangup_work);
/* FIXME: Exactly how is the tty object locked here
against a parallel ioctl etc */
mutex_lock(&ttyj->ipw_tty_mutex);
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 5a1aa64f4e7..72a4fcb1774 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -626,7 +626,7 @@ static void add_timer_randomness(struct timer_rand_state *state, unsigned num)
preempt_disable();
/* if over the trickle threshold, use only 1 in 4096 samples */
if (input_pool.entropy_count > trickle_thresh &&
- (__get_cpu_var(trickle_count)++ & 0xfff))
+ ((__this_cpu_inc_return(trickle_count) - 1) & 0xfff))
goto out;
sample.jiffies = jiffies;
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 86308830ac4..3e4e73a0d7c 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -1764,7 +1764,7 @@ static void rp_flush_buffer(struct tty_struct *tty)
#ifdef CONFIG_PCI
-static struct pci_device_id __devinitdata rocket_pci_ids[] = {
+static struct pci_device_id __devinitdata __used rocket_pci_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_ANY_ID) },
{ }
};
diff --git a/drivers/char/snsc.h b/drivers/char/snsc.h
index 4be62eda9fb..e8c52c882b2 100644
--- a/drivers/char/snsc.h
+++ b/drivers/char/snsc.h
@@ -19,7 +19,6 @@
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
-#include <linux/kobject.h>
#include <linux/fs.h>
#include <linux/cdev.h>
#include <linux/semaphore.h>
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 73f66d03624..79e36c878a4 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1434,7 +1434,7 @@ static int __devexit sonypi_remove(struct platform_device *dev)
sonypi_disable();
synchronize_irq(sonypi_device.irq);
- flush_scheduled_work();
+ flush_work_sync(&sonypi_device.input_work);
if (useinput) {
input_unregister_device(sonypi_device.input_key_dev);
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index a7616d226a4..c2bca3f25ef 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -2355,7 +2355,7 @@ static void __exit specialix_exit_module(void)
func_exit();
}
-static struct pci_device_id specialx_pci_tbl[] __devinitdata = {
+static struct pci_device_id specialx_pci_tbl[] __devinitdata __used = {
{ PCI_DEVICE(PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_IO8) },
{ }
};
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 7c4133582db..1f46f1cd922 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -736,7 +736,7 @@ int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf)
if (chip == NULL)
return -ENODEV;
rc = __tpm_pcr_read(chip, pcr_idx, res_buf);
- module_put(chip->dev->driver->owner);
+ tpm_chip_put(chip);
return rc;
}
EXPORT_SYMBOL_GPL(tpm_pcr_read);
@@ -775,11 +775,27 @@ int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash)
rc = transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE,
"attempting extend a PCR value");
- module_put(chip->dev->driver->owner);
+ tpm_chip_put(chip);
return rc;
}
EXPORT_SYMBOL_GPL(tpm_pcr_extend);
+int tpm_send(u32 chip_num, void *cmd, size_t buflen)
+{
+ struct tpm_chip *chip;
+ int rc;
+
+ chip = tpm_chip_find_get(chip_num);
+ if (chip == NULL)
+ return -ENODEV;
+
+ rc = transmit_cmd(chip, cmd, buflen, "attempting tpm_cmd");
+
+ tpm_chip_put(chip);
+ return rc;
+}
+EXPORT_SYMBOL_GPL(tpm_send);
+
ssize_t tpm_show_pcrs(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -986,7 +1002,7 @@ int tpm_release(struct inode *inode, struct file *file)
struct tpm_chip *chip = file->private_data;
del_singleshot_timer_sync(&chip->user_read_timer);
- flush_scheduled_work();
+ flush_work_sync(&chip->work);
file->private_data = NULL;
atomic_set(&chip->data_pending, 0);
kfree(chip->data_buffer);
@@ -1038,7 +1054,7 @@ ssize_t tpm_read(struct file *file, char __user *buf,
ssize_t ret_size;
del_singleshot_timer_sync(&chip->user_read_timer);
- flush_scheduled_work();
+ flush_work_sync(&chip->work);
ret_size = atomic_read(&chip->data_pending);
atomic_set(&chip->data_pending, 0);
if (ret_size > 0) { /* relay data */
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 792868d24f2..72ddb031b69 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -113,6 +113,11 @@ struct tpm_chip {
#define to_tpm_chip(n) container_of(n, struct tpm_chip, vendor)
+static inline void tpm_chip_put(struct tpm_chip *chip)
+{
+ module_put(chip->dev->driver->owner);
+}
+
static inline int tpm_read_index(int base, int index)
{
outb(index, base);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-27 01:03:16 +0000