2 * Copyright 2012 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
34 pcirom_read(void *data, u32 offset, u32 length, struct nvkm_bios *bios)
36 struct priv *priv = data;
37 if (offset + length <= priv->size) {
38 memcpy_fromio(bios->data + offset, priv->rom + offset, length);
45 pcirom_fini(void *data)
47 struct priv *priv = data;
48 pci_unmap_rom(priv->pdev, priv->rom);
49 pci_disable_rom(priv->pdev);
54 pcirom_init(struct nvkm_bios *bios, const char *name)
56 struct nvkm_device *device = bios->subdev.device;
57 struct priv *priv = NULL;
61 if (device->func->pci)
62 pdev = device->func->pci(device)->pdev;
64 return ERR_PTR(-ENODEV);
66 if (!(ret = pci_enable_rom(pdev))) {
68 (priv = kmalloc(sizeof(*priv), GFP_KERNEL))) {
70 (priv->rom = pci_map_rom(pdev, &priv->size))) {
76 pci_disable_rom(pdev);
82 const struct nvbios_source
92 platform_init(struct nvkm_bios *bios, const char *name)
94 struct nvkm_device *device = bios->subdev.device;
99 if (device->func->pci)
100 pdev = device->func->pci(device)->pdev;
102 return ERR_PTR(-ENODEV);
104 if ((priv = kmalloc(sizeof(*priv), GFP_KERNEL))) {
106 (priv->rom = pci_platform_rom(pdev, &priv->size)))
114 const struct nvbios_source
117 .init = platform_init,
118 .fini = (void(*)(void *))kfree,