diff options
Diffstat (limited to 'drivers/char/agp/parisc-agp.c')
| -rw-r--r-- | drivers/char/agp/parisc-agp.c | 67 |
1 files changed, 38 insertions, 29 deletions
diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c index f4562cc2234..15f2e7025b7 100644 --- a/drivers/char/agp/parisc-agp.c +++ b/drivers/char/agp/parisc-agp.c @@ -18,22 +18,24 @@ #include <linux/init.h> #include <linux/klist.h> #include <linux/agp_backend.h> +#include <linux/log2.h> +#include <linux/slab.h> -#include <asm-parisc/parisc-device.h> -#include <asm-parisc/ropes.h> +#include <asm/parisc-device.h> +#include <asm/ropes.h> #include "agp.h" #define DRVNAME "quicksilver" #define DRVPFX DRVNAME ": " -#ifndef log2 -#define log2(x) ffz(~(x)) -#endif - #define AGP8X_MODE_BIT 3 #define AGP8X_MODE (1 << AGP8X_MODE_BIT) +static unsigned long +parisc_agp_mask_memory(struct agp_bridge_data *bridge, dma_addr_t addr, + int type); + static struct _parisc_agp_info { void __iomem *ioc_regs; void __iomem *lba_regs; @@ -92,7 +94,7 @@ parisc_agp_tlbflush(struct agp_memory *mem) { struct _parisc_agp_info *info = &parisc_agp_info; - writeq(info->gart_base | log2(info->gart_size), info->ioc_regs+IOC_PCOM); + writeq(info->gart_base | ilog2(info->gart_size), info->ioc_regs+IOC_PCOM); readq(info->ioc_regs+IOC_PCOM); /* flush */ } @@ -127,7 +129,8 @@ parisc_agp_insert_memory(struct agp_memory *mem, off_t pg_start, int type) off_t j, io_pg_start; int io_pg_count; - if (type != 0 || mem->type != 0) { + if (type != mem->type || + agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type)) { return -EINVAL; } @@ -144,20 +147,20 @@ parisc_agp_insert_memory(struct agp_memory *mem, off_t pg_start, int type) j++; } - if (mem->is_flushed == FALSE) { + if (!mem->is_flushed) { global_cache_flush(); - mem->is_flushed = TRUE; + mem->is_flushed = true; } for (i = 0, j = io_pg_start; i < mem->page_count; i++) { unsigned long paddr; - paddr = mem->memory[i]; + paddr = page_to_phys(mem->pages[i]); for (k = 0; k < info->io_pages_per_kpage; k++, j++, paddr += info->io_page_size) { info->gatt[j] = - agp_bridge->driver->mask_memory(agp_bridge, + parisc_agp_mask_memory(agp_bridge, paddr, type); } } @@ -173,7 +176,8 @@ parisc_agp_remove_memory(struct agp_memory *mem, off_t pg_start, int type) struct _parisc_agp_info *info = &parisc_agp_info; int i, io_pg_start, io_pg_count; - if (type != 0 || mem->type != 0) { + if (type != mem->type || + agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type)) { return -EINVAL; } @@ -188,8 +192,8 @@ parisc_agp_remove_memory(struct agp_memory *mem, off_t pg_start, int type) } static unsigned long -parisc_agp_mask_memory(struct agp_bridge_data *bridge, - unsigned long addr, int type) +parisc_agp_mask_memory(struct agp_bridge_data *bridge, dma_addr_t addr, + int type) { return SBA_PDIR_VALID_BIT | addr; } @@ -227,9 +231,11 @@ static const struct agp_bridge_driver parisc_agp_driver = { .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, + .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = agp_generic_type_to_mask_type, - .cant_use_aperture = 1, + .cant_use_aperture = true, }; static int __init @@ -329,7 +335,7 @@ parisc_agp_setup(void __iomem *ioc_hpa, void __iomem *lba_hpa) struct agp_bridge_data *bridge; int error = 0; - fake_bridge_dev = alloc_pci_dev(); + fake_bridge_dev = pci_alloc_dev(NULL); if (!fake_bridge_dev) { error = -ENOMEM; goto fail; @@ -355,14 +361,25 @@ parisc_agp_setup(void __iomem *ioc_hpa, void __iomem *lba_hpa) bridge->dev = fake_bridge_dev; error = agp_add_bridge(bridge); + if (error) + goto fail; + return 0; fail: + kfree(fake_bridge_dev); return error; } -static struct device *next_device(struct klist_iter *i) { - struct klist_node * n = klist_next(i); - return n ? container_of(n, struct device, knode_parent) : NULL; +static int +find_quicksilver(struct device *dev, void *data) +{ + struct parisc_device **lba = data; + struct parisc_device *padev = to_parisc_device(dev); + + if (IS_QUICKSILVER(padev)) + *lba = padev; + + return 0; } static int @@ -373,8 +390,6 @@ parisc_agp_init(void) int err = -1; struct parisc_device *sba = NULL, *lba = NULL; struct lba_device *lbadev = NULL; - struct device *dev = NULL; - struct klist_iter i; if (!sba_list) goto out; @@ -387,13 +402,7 @@ parisc_agp_init(void) } /* Now search our Pluto for our precious AGP device... */ - klist_iter_init(&sba->dev.klist_children, &i); - while ((dev = next_device(&i))) { - struct parisc_device *padev = to_parisc_device(dev); - if (IS_QUICKSILVER(padev)) - lba = padev; - } - klist_iter_exit(&i); + device_for_each_child(&sba->dev, &lba, find_quicksilver); if (!lba) { printk(KERN_INFO DRVPFX "No AGP devices found.\n"); |
