diff options
author | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2015-02-02 15:02:49 +0100 |
---|---|---|
committer | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2015-02-02 15:02:49 +0100 |
commit | b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 (patch) | |
tree | 4361edef0d42d5bf5ac984ef72b4fac35426eae7 /nx-X11/extras/drm/linux-core/ffb_drv.c | |
parent | 0d5a83e986f39982c0924652a3662e60b1f23162 (diff) | |
download | nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.tar.gz nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.tar.bz2 nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.zip |
massive reduction of unneeded files
Diffstat (limited to 'nx-X11/extras/drm/linux-core/ffb_drv.c')
-rw-r--r-- | nx-X11/extras/drm/linux-core/ffb_drv.c | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/nx-X11/extras/drm/linux-core/ffb_drv.c b/nx-X11/extras/drm/linux-core/ffb_drv.c deleted file mode 100644 index bd5f9f9f8..000000000 --- a/nx-X11/extras/drm/linux-core/ffb_drv.c +++ /dev/null @@ -1,330 +0,0 @@ -/* $Id: ffb_drv.c,v 1.1.1.2 2005/10/18 02:24:09 kem Exp $ - * ffb_drv.c: Creator/Creator3D direct rendering driver. - * - * Copyright (C) 2000 David S. Miller (davem@redhat.com) - */ - -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/smp_lock.h> -#include <asm/shmparam.h> -#include <asm/oplib.h> -#include <asm/upa.h> - -#include "drmP.h" -#include "ffb_drv.h" - -#define DRIVER_AUTHOR "David S. Miller" - -#define DRIVER_NAME "ffb" -#define DRIVER_DESC "Creator/Creator3D" -#define DRIVER_DATE "20000517" - -#define DRIVER_MAJOR 0 -#define DRIVER_MINOR 0 -#define DRIVER_PATCHLEVEL 1 - -typedef struct _ffb_position_t { - int node; - int root; -} ffb_position_t; - -static ffb_position_t *ffb_position; - -static void get_ffb_type(ffb_dev_priv_t *ffb_priv, int instance) -{ - volatile unsigned char *strap_bits; - unsigned char val; - - strap_bits = (volatile unsigned char *) - (ffb_priv->card_phys_base + 0x00200000UL); - - /* Don't ask, you have to read the value twice for whatever - * reason to get correct contents. - */ - val = upa_readb(strap_bits); - val = upa_readb(strap_bits); - switch (val & 0x78) { - case (0x0 << 5) | (0x0 << 3): - ffb_priv->ffb_type = ffb1_prototype; - printk("ffb%d: Detected FFB1 pre-FCS prototype\n", instance); - break; - case (0x0 << 5) | (0x1 << 3): - ffb_priv->ffb_type = ffb1_standard; - printk("ffb%d: Detected FFB1\n", instance); - break; - case (0x0 << 5) | (0x3 << 3): - ffb_priv->ffb_type = ffb1_speedsort; - printk("ffb%d: Detected FFB1-SpeedSort\n", instance); - break; - case (0x1 << 5) | (0x0 << 3): - ffb_priv->ffb_type = ffb2_prototype; - printk("ffb%d: Detected FFB2/vertical pre-FCS prototype\n", instance); - break; - case (0x1 << 5) | (0x1 << 3): - ffb_priv->ffb_type = ffb2_vertical; - printk("ffb%d: Detected FFB2/vertical\n", instance); - break; - case (0x1 << 5) | (0x2 << 3): - ffb_priv->ffb_type = ffb2_vertical_plus; - printk("ffb%d: Detected FFB2+/vertical\n", instance); - break; - case (0x2 << 5) | (0x0 << 3): - ffb_priv->ffb_type = ffb2_horizontal; - printk("ffb%d: Detected FFB2/horizontal\n", instance); - break; - case (0x2 << 5) | (0x2 << 3): - ffb_priv->ffb_type = ffb2_horizontal; - printk("ffb%d: Detected FFB2+/horizontal\n", instance); - break; - default: - ffb_priv->ffb_type = ffb2_vertical; - printk("ffb%d: Unknown boardID[%08x], assuming FFB2\n", instance, val); - break; - }; -} - -static void ffb_apply_upa_parent_ranges(int parent, - struct linux_prom64_registers *regs) -{ - struct linux_prom64_ranges ranges[PROMREG_MAX]; - char name[128]; - int len, i; - - prom_getproperty(parent, "name", name, sizeof(name)); - if (strcmp(name, "upa") != 0) - return; - - len = prom_getproperty(parent, "ranges", (void *) ranges, sizeof(ranges)); - if (len <= 0) - return; - - len /= sizeof(struct linux_prom64_ranges); - for (i = 0; i < len; i++) { - struct linux_prom64_ranges *rng = &ranges[i]; - u64 phys_addr = regs->phys_addr; - - if (phys_addr >= rng->ot_child_base && - phys_addr < (rng->ot_child_base + rng->or_size)) { - regs->phys_addr -= rng->ot_child_base; - regs->phys_addr += rng->ot_parent_base; - return; - } - } - - return; -} - -static int ffb_init_one(drm_device_t *dev, int prom_node, int parent_node, - int instance) -{ - struct linux_prom64_registers regs[2*PROMREG_MAX]; - ffb_dev_priv_t *ffb_priv = (ffb_dev_priv_t *)dev->dev_private; - int i; - - ffb_priv->prom_node = prom_node; - if (prom_getproperty(ffb_priv->prom_node, "reg", - (void *)regs, sizeof(regs)) <= 0) { - return -EINVAL; - } - ffb_apply_upa_parent_ranges(parent_node, ®s[0]); - ffb_priv->card_phys_base = regs[0].phys_addr; - ffb_priv->regs = (ffb_fbcPtr) - (regs[0].phys_addr + 0x00600000UL); - get_ffb_type(ffb_priv, instance); - for (i = 0; i < FFB_MAX_CTXS; i++) - ffb_priv->hw_state[i] = NULL; - - return 0; -} - -static int __init ffb_count_siblings(int root) -{ - int node, child, count = 0; - - child = prom_getchild(root); - for (node = prom_searchsiblings(child, "SUNW,ffb"); node; - node = prom_searchsiblings(prom_getsibling(node), "SUNW,ffb")) - count++; - - return count; -} - -static int __init ffb_scan_siblings(int root, int instance) -{ - int node, child; - - child = prom_getchild(root); - for (node = prom_searchsiblings(child, "SUNW,ffb"); node; - node = prom_searchsiblings(prom_getsibling(node), "SUNW,ffb")) { - ffb_position[instance].node = node; - ffb_position[instance].root = root; - instance++; - } - - return instance; -} - -static drm_map_t *ffb_find_map(struct file *filp, unsigned long off) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - drm_map_list_t *r_list; - struct list_head *list; - drm_map_t *map; - - if (!priv || (dev = priv->dev) == NULL) - return NULL; - - list_for_each(list, &dev->maplist->head) { - unsigned long uoff; - - r_list = (drm_map_list_t *)list; - map = r_list->map; - if (!map) - continue; - uoff = (map->offset & 0xffffffff); - if (uoff == off) - return map; - } - - return NULL; -} - -unsigned long ffb_get_unmapped_area(struct file *filp, - unsigned long hint, - unsigned long len, - unsigned long pgoff, - unsigned long flags) -{ - drm_map_t *map = ffb_find_map(filp, pgoff << PAGE_SHIFT); - unsigned long addr = -ENOMEM; - - if (!map) - return get_unmapped_area(NULL, hint, len, pgoff, flags); - - if (map->type == _DRM_FRAME_BUFFER || - map->type == _DRM_REGISTERS) { -#ifdef HAVE_ARCH_FB_UNMAPPED_AREA - addr = get_fb_unmapped_area(filp, hint, len, pgoff, flags); -#else - addr = get_unmapped_area(NULL, hint, len, pgoff, flags); -#endif - } else if (map->type == _DRM_SHM && SHMLBA > PAGE_SIZE) { - unsigned long slack = SHMLBA - PAGE_SIZE; - - addr = get_unmapped_area(NULL, hint, len + slack, pgoff, flags); - if (!(addr & ~PAGE_MASK)) { - unsigned long kvirt = (unsigned long) map->handle; - - if ((kvirt & (SHMLBA - 1)) != (addr & (SHMLBA - 1))) { - unsigned long koff, aoff; - - koff = kvirt & (SHMLBA - 1); - aoff = addr & (SHMLBA - 1); - if (koff < aoff) - koff += SHMLBA; - - addr += (koff - aoff); - } - } - } else { - addr = get_unmapped_area(NULL, hint, len, pgoff, flags); - } - - return addr; -} - -/* This functions must be here since it references drm_numdevs) - * which drm_drv.h declares. - */ -static int ffb_driver_firstopen(drm_device_t *dev) -{ - ffb_dev_priv_t *ffb_priv; - drm_device_t *temp_dev; - int ret = 0; - int i; - - /* Check for the case where no device was found. */ - if (ffb_position == NULL) - return -ENODEV; - - /* Find our instance number by finding our device in dev structure */ - for (i = 0; i < drm_numdevs; i++) { - temp_dev = &(drm_device[i]); - if(temp_dev == dev) - break; - } - - if (i == drm_numdevs) - return -ENODEV; - - ffb_priv = kmalloc(sizeof(ffb_dev_priv_t), GFP_KERNEL); - if (!ffb_priv) - return -ENOMEM; - memset(ffb_priv, 0, sizeof(*ffb_priv)); - dev->dev_private = ffb_priv; - - ret = ffb_init_one(dev, - ffb_position[i].node, - ffb_position[i].root, - i); - return ret; -} - -#include "drm_pciids.h" - -static struct pci_device_id pciidlist[] = { - ffb_PCI_IDS -}; - -static struct drm_driver ffb_driver = { - .release = ffb_driver_reclaim_buffers_locked, - .firstopen = ffb_driver_firstopen, - .lastclose = ffb_driver_lastclose, - .unload = ffb_driver_unload, - .kernel_context_switch = ffb_context_switch, - .kernel_context_switch_unlock = ffb_driver_kernel_context_switch_unlock, - .get_map_ofs = ffb_driver_get_map_ofs, - .get_reg_ofs = ffb_driver_get_reg_ofs, - .reclaim_buffers = drm_core_reclaim_buffers, - fops = { - .owner = THIS_MODULE, - .open = drm_open, - .release = drm_release, - .ioctl = drm_ioctl, - .mmap = drm_mmap, - .fasync = drm_fasync, - .poll = drm_poll, - .get_unmapped_area = ffb_get_unmapped_area, - }, -}; - -static int probe(struct pci_dev *pdev, const struct pci_device_id *ent) -{ - return drm_probe(pdev, ent, &driver); -} - -static struct pci_driver pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - .probe = probe, - .remove = __devexit_p(drm_cleanup_pci), -}; - -static int __init ffb_init(void) -{ - return drm_init(&pci_driver, pciidlist, &driver); -} - -static void __exit ffb_exit(void) -{ - drm_exit(&pci_driver); -} - -module_init(ffb_init); -module_exit(ffb_exit)); - -MODULE_AUTHOR( DRIVER_AUTHOR ); -MODULE_DESCRIPTION( DRIVER_DESC ); -MODULE_LICENSE("GPL and additional rights"); |