diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pci')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.c | 175 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.h | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c | 182 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/gf100.c | 44 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv04.c | 58 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c | 65 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv4c.c | 37 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv50.c | 51 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h | 19 |
10 files changed, 656 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild new file mode 100644 index 000000000..99672c3d0 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild @@ -0,0 +1,7 @@ +nvkm-y += nvkm/subdev/pci/agp.o +nvkm-y += nvkm/subdev/pci/base.o +nvkm-y += nvkm/subdev/pci/nv04.o +nvkm-y += nvkm/subdev/pci/nv40.o +nvkm-y += nvkm/subdev/pci/nv4c.o +nvkm-y += nvkm/subdev/pci/nv50.o +nvkm-y += nvkm/subdev/pci/gf100.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.c new file mode 100644 index 000000000..385a90f91 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.c @@ -0,0 +1,175 @@ +/* + * Copyright 2015 Nouveau Project + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#include "agp.h" +#ifdef __NVKM_PCI_AGP_H__ +#include <core/option.h> + +struct nvkm_device_agp_quirk { + u16 hostbridge_vendor; + u16 hostbridge_device; + u16 chip_vendor; + u16 chip_device; + int mode; +}; + +static const struct nvkm_device_agp_quirk +nvkm_device_agp_quirks[] = { + /* VIA Apollo PRO133x / GeForce FX 5600 Ultra - fdo#20341 */ + { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_NVIDIA, 0x0311, 2 }, + /* SiS 761 does not support AGP cards, use PCI mode */ + { PCI_VENDOR_ID_SI, 0x0761, PCI_ANY_ID, PCI_ANY_ID, 0 }, + {}, +}; + +void +nvkm_agp_fini(struct nvkm_pci *pci) +{ + if (pci->agp.acquired) { + agp_backend_release(pci->agp.bridge); + pci->agp.acquired = false; + } +} + +/* Ensure AGP controller is in a consistent state in case we need to + * execute the VBIOS DEVINIT scripts. + */ +void +nvkm_agp_preinit(struct nvkm_pci *pci) +{ + struct nvkm_device *device = pci->subdev.device; + u32 mode = nvkm_pci_rd32(pci, 0x004c); + u32 save[2]; + + /* First of all, disable fast writes, otherwise if it's already + * enabled in the AGP bridge and we disable the card's AGP + * controller we might be locking ourselves out of it. + */ + if ((mode | pci->agp.mode) & PCI_AGP_COMMAND_FW) { + mode = pci->agp.mode & ~PCI_AGP_COMMAND_FW; + agp_enable(pci->agp.bridge, mode); + } + + /* clear busmaster bit, and disable AGP */ + save[0] = nvkm_pci_rd32(pci, 0x0004); + nvkm_pci_wr32(pci, 0x0004, save[0] & ~0x00000004); + nvkm_pci_wr32(pci, 0x004c, 0x00000000); + + /* reset PGRAPH, PFIFO and PTIMER */ + save[1] = nvkm_mask(device, 0x000200, 0x00011100, 0x00000000); + nvkm_mask(device, 0x000200, 0x00011100, save[1]); + + /* and restore busmaster bit (gives effect of resetting AGP) */ + nvkm_pci_wr32(pci, 0x0004, save[0]); +} + +int +nvkm_agp_init(struct nvkm_pci *pci) +{ + if (!agp_backend_acquire(pci->pdev)) { + nvkm_error(&pci->subdev, "failed to acquire agp\n"); + return -ENODEV; + } + + agp_enable(pci->agp.bridge, pci->agp.mode); + pci->agp.acquired = true; + return 0; +} + +void +nvkm_agp_dtor(struct nvkm_pci *pci) +{ + arch_phys_wc_del(pci->agp.mtrr); +} + +void +nvkm_agp_ctor(struct nvkm_pci *pci) +{ + const struct nvkm_device_agp_quirk *quirk = nvkm_device_agp_quirks; + struct nvkm_subdev *subdev = &pci->subdev; + struct nvkm_device *device = subdev->device; + struct agp_kern_info info; + int mode = -1; + +#ifdef __powerpc__ + /* Disable AGP by default on all PowerPC machines for now -- At + * least some UniNorth-2 AGP bridges are known to be broken: + * DMA from the host to the card works just fine, but writeback + * from the card to the host goes straight to memory + * untranslated bypassing that GATT somehow, making them quite + * painful to deal with... + */ + mode = 0; +#endif + mode = nvkm_longopt(device->cfgopt, "NvAGP", mode); + + /* acquire bridge temporarily, so that we can copy its info */ + if (!(pci->agp.bridge = agp_backend_acquire(pci->pdev))) { + nvkm_warn(subdev, "failed to acquire agp\n"); + return; + } + agp_copy_info(pci->agp.bridge, &info); + agp_backend_release(pci->agp.bridge); + + pci->agp.mode = info.mode; + pci->agp.base = info.aper_base; + pci->agp.size = info.aper_size * 1024 * 1024; + pci->agp.cma = info.cant_use_aperture; + pci->agp.mtrr = -1; + + /* determine if bridge + chipset combination needs a workaround */ + while (quirk->hostbridge_vendor) { + if (info.device->vendor == quirk->hostbridge_vendor && + info.device->device == quirk->hostbridge_device && + (quirk->chip_vendor == (u16)PCI_ANY_ID || + pci->pdev->vendor == quirk->chip_vendor) && + (quirk->chip_device == (u16)PCI_ANY_ID || + pci->pdev->device == quirk->chip_device)) { + nvkm_info(subdev, "forcing default agp mode to %dX, " + "use NvAGP=<mode> to override\n", + quirk->mode); + mode = quirk->mode; + break; + } + quirk++; + } + + /* apply quirk / user-specified mode */ + if (mode >= 1) { + if (pci->agp.mode & 0x00000008) + mode /= 4; /* AGPv3 */ + pci->agp.mode &= ~0x00000007; + pci->agp.mode |= (mode & 0x7); + } else + if (mode == 0) { + pci->agp.bridge = NULL; + return; + } + + /* fast writes appear to be broken on nv18, they make the card + * lock up randomly. + */ + if (device->chipset == 0x18) + pci->agp.mode &= ~PCI_AGP_COMMAND_FW; + + pci->agp.mtrr = arch_phys_wc_add(pci->agp.base, pci->agp.size); +} +#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.h new file mode 100644 index 000000000..df2dd0836 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.h @@ -0,0 +1,18 @@ +#include "priv.h" +#if defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)) +#ifndef __NVKM_PCI_AGP_H__ +#define __NVKM_PCI_AGP_H__ + +void nvkm_agp_ctor(struct nvkm_pci *); +void nvkm_agp_dtor(struct nvkm_pci *); +void nvkm_agp_preinit(struct nvkm_pci *); +int nvkm_agp_init(struct nvkm_pci *); +void nvkm_agp_fini(struct nvkm_pci *); +#endif +#else +static inline void nvkm_agp_ctor(struct nvkm_pci *pci) {} +static inline void nvkm_agp_dtor(struct nvkm_pci *pci) {} +static inline void nvkm_agp_preinit(struct nvkm_pci *pci) {} +static inline int nvkm_agp_init(struct nvkm_pci *pci) { return -ENOSYS; } +static inline void nvkm_agp_fini(struct nvkm_pci *pci) {} +#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c new file mode 100644 index 000000000..d1c148e51 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c @@ -0,0 +1,182 @@ +/* + * Copyright 2015 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs <bskeggs@redhat.com> + */ +#include "priv.h" +#include "agp.h" + +#include <core/option.h> +#include <core/pci.h> +#include <subdev/mc.h> + +u32 +nvkm_pci_rd32(struct nvkm_pci *pci, u16 addr) +{ + return pci->func->rd32(pci, addr); +} + +void +nvkm_pci_wr08(struct nvkm_pci *pci, u16 addr, u8 data) +{ + pci->func->wr08(pci, addr, data); +} + +void +nvkm_pci_wr32(struct nvkm_pci *pci, u16 addr, u32 data) +{ + pci->func->wr32(pci, addr, data); +} + +void +nvkm_pci_rom_shadow(struct nvkm_pci *pci, bool shadow) +{ + u32 data = nvkm_pci_rd32(pci, 0x0050); + if (shadow) + data |= 0x00000001; + else + data &= ~0x00000001; + nvkm_pci_wr32(pci, 0x0050, data); +} + +static irqreturn_t +nvkm_pci_intr(int irq, void *arg) +{ + struct nvkm_pci *pci = arg; + struct nvkm_mc *mc = pci->subdev.device->mc; + bool handled = false; + if (likely(mc)) { + nvkm_mc_intr_unarm(mc); + if (pci->msi) + pci->func->msi_rearm(pci); + nvkm_mc_intr(mc, &handled); + nvkm_mc_intr_rearm(mc); + } + return handled ? IRQ_HANDLED : IRQ_NONE; +} + +static int +nvkm_pci_fini(struct nvkm_subdev *subdev, bool suspend) +{ + struct nvkm_pci *pci = nvkm_pci(subdev); + + if (pci->irq >= 0) { + free_irq(pci->irq, pci); + pci->irq = -1; + }; + + if (pci->agp.bridge) + nvkm_agp_fini(pci); + + return 0; +} + +static int +nvkm_pci_preinit(struct nvkm_subdev *subdev) +{ + struct nvkm_pci *pci = nvkm_pci(subdev); + if (pci->agp.bridge) + nvkm_agp_preinit(pci); + return 0; +} + +static int +nvkm_pci_init(struct nvkm_subdev *subdev) +{ + struct nvkm_pci *pci = nvkm_pci(subdev); + struct pci_dev *pdev = pci->pdev; + int ret; + + if (pci->agp.bridge) { + ret = nvkm_agp_init(pci); + if (ret) + return ret; + } + + ret = request_irq(pdev->irq, nvkm_pci_intr, IRQF_SHARED, "nvkm", pci); + if (ret) + return ret; + + pci->irq = pdev->irq; + return ret; +} + +static void * +nvkm_pci_dtor(struct nvkm_subdev *subdev) +{ + struct nvkm_pci *pci = nvkm_pci(subdev); + nvkm_agp_dtor(pci); + if (pci->msi) + pci_disable_msi(pci->pdev); + return nvkm_pci(subdev); +} + +static const struct nvkm_subdev_func +nvkm_pci_func = { + .dtor = nvkm_pci_dtor, + .preinit = nvkm_pci_preinit, + .init = nvkm_pci_init, + .fini = nvkm_pci_fini, +}; + +int +nvkm_pci_new_(const struct nvkm_pci_func *func, struct nvkm_device *device, + int index, struct nvkm_pci **ppci) +{ + struct nvkm_pci *pci; + + if (!(pci = *ppci = kzalloc(sizeof(**ppci), GFP_KERNEL))) + return -ENOMEM; + nvkm_subdev_ctor(&nvkm_pci_func, device, index, 0, &pci->subdev); + pci->func = func; + pci->pdev = device->func->pci(device)->pdev; + pci->irq = -1; + + if (device->type == NVKM_DEVICE_AGP) + nvkm_agp_ctor(pci); + + switch (pci->pdev->device & 0x0ff0) { + case 0x00f0: + case 0x02e0: + /* BR02? NFI how these would be handled yet exactly */ + break; + default: + switch (device->chipset) { + case 0xaa: + /* reported broken, nv also disable it */ + break; + default: + pci->msi = true; + break; + } + } + + pci->msi = nvkm_boolopt(device->cfgopt, "NvMSI", pci->msi); + if (pci->msi && func->msi_rearm) { + pci->msi = pci_enable_msi(pci->pdev) == 0; + if (pci->msi) + nvkm_debug(&pci->subdev, "MSI enabled\n"); + } else { + pci->msi = false; + } + + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gf100.c new file mode 100644 index 000000000..86f822653 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gf100.c @@ -0,0 +1,44 @@ +/* + * Copyright 2015 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs <bskeggs@redhat.com> + */ +#include "priv.h" + +static void +gf100_pci_msi_rearm(struct nvkm_pci *pci) +{ + nvkm_pci_wr08(pci, 0x0704, 0xff); +} + +static const struct nvkm_pci_func +gf100_pci_func = { + .rd32 = nv40_pci_rd32, + .wr08 = nv40_pci_wr08, + .wr32 = nv40_pci_wr32, + .msi_rearm = gf100_pci_msi_rearm, +}; + +int +gf100_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci) +{ + return nvkm_pci_new_(&gf100_pci_func, device, index, ppci); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv04.c new file mode 100644 index 000000000..5b1ed42cb --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv04.c @@ -0,0 +1,58 @@ +/* + * Copyright 2015 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs <bskeggs@redhat.com> + */ +#include "priv.h" + +static u32 +nv04_pci_rd32(struct nvkm_pci *pci, u16 addr) +{ + struct nvkm_device *device = pci->subdev.device; + return nvkm_rd32(device, 0x001800 + addr); +} + +static void +nv04_pci_wr08(struct nvkm_pci *pci, u16 addr, u8 data) +{ + struct nvkm_device *device = pci->subdev.device; + nvkm_wr08(device, 0x001800 + addr, data); +} + +static void +nv04_pci_wr32(struct nvkm_pci *pci, u16 addr, u32 data) +{ + struct nvkm_device *device = pci->subdev.device; + nvkm_wr32(device, 0x001800 + addr, data); +} + +static const struct nvkm_pci_func +nv04_pci_func = { + .rd32 = nv04_pci_rd32, + .wr08 = nv04_pci_wr08, + .wr32 = nv04_pci_wr32, +}; + +int +nv04_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci) +{ + return nvkm_pci_new_(&nv04_pci_func, device, index, ppci); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c new file mode 100644 index 000000000..090a187f1 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c @@ -0,0 +1,65 @@ +/* + * Copyright 2015 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs <bskeggs@redhat.com> + */ +#include "priv.h" + +u32 +nv40_pci_rd32(struct nvkm_pci *pci, u16 addr) +{ + struct nvkm_device *device = pci->subdev.device; + return nvkm_rd32(device, 0x088000 + addr); +} + +void +nv40_pci_wr08(struct nvkm_pci *pci, u16 addr, u8 data) +{ + struct nvkm_device *device = pci->subdev.device; + nvkm_wr08(device, 0x088000 + addr, data); +} + +void +nv40_pci_wr32(struct nvkm_pci *pci, u16 addr, u32 data) +{ + struct nvkm_device *device = pci->subdev.device; + nvkm_wr32(device, 0x088000 + addr, data); +} + +static void +nv40_pci_msi_rearm(struct nvkm_pci *pci) +{ + nvkm_pci_wr08(pci, 0x0068, 0xff); +} + +static const struct nvkm_pci_func +nv40_pci_func = { + .rd32 = nv40_pci_rd32, + .wr08 = nv40_pci_wr08, + .wr32 = nv40_pci_wr32, + .msi_rearm = nv40_pci_msi_rearm, +}; + +int +nv40_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci) +{ + return nvkm_pci_new_(&nv40_pci_func, device, index, ppci); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv4c.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv4c.c new file mode 100644 index 000000000..1f1b26b5f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv4c.c @@ -0,0 +1,37 @@ +/* + * Copyright 2015 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs <bskeggs@redhat.com> + */ +#include "priv.h" + +static const struct nvkm_pci_func +nv4c_pci_func = { + .rd32 = nv40_pci_rd32, + .wr08 = nv40_pci_wr08, + .wr32 = nv40_pci_wr32, +}; + +int +nv4c_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci) +{ + return nvkm_pci_new_(&nv4c_pci_func, device, index, ppci); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv50.c new file mode 100644 index 000000000..3e167d4a3 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv50.c @@ -0,0 +1,51 @@ +/* + * Copyright 2015 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs <bskeggs@redhat.com> + */ +#include "priv.h" + +#include <core/pci.h> + +/* MSI re-arm through the PRI appears to be broken on the original G80, + * so we access it via alternate PCI config space mechanisms. + */ +static void +nv50_pci_msi_rearm(struct nvkm_pci *pci) +{ + struct nvkm_device *device = pci->subdev.device; + struct pci_dev *pdev = device->func->pci(device)->pdev; + pci_write_config_byte(pdev, 0x68, 0xff); +} + +static const struct nvkm_pci_func +nv50_pci_func = { + .rd32 = nv40_pci_rd32, + .wr08 = nv40_pci_wr08, + .wr32 = nv40_pci_wr32, + .msi_rearm = nv50_pci_msi_rearm, +}; + +int +nv50_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci) +{ + return nvkm_pci_new_(&nv50_pci_func, device, index, ppci); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h new file mode 100644 index 000000000..d22c2c117 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h @@ -0,0 +1,19 @@ +#ifndef __NVKM_PCI_PRIV_H__ +#define __NVKM_PCI_PRIV_H__ +#define nvkm_pci(p) container_of((p), struct nvkm_pci, subdev) +#include <subdev/pci.h> + +int nvkm_pci_new_(const struct nvkm_pci_func *, struct nvkm_device *, + int index, struct nvkm_pci **); + +struct nvkm_pci_func { + u32 (*rd32)(struct nvkm_pci *, u16 addr); + void (*wr08)(struct nvkm_pci *, u16 addr, u8 data); + void (*wr32)(struct nvkm_pci *, u16 addr, u32 data); + void (*msi_rearm)(struct nvkm_pci *); +}; + +u32 nv40_pci_rd32(struct nvkm_pci *, u16); +void nv40_pci_wr08(struct nvkm_pci *, u16, u8); +void nv40_pci_wr32(struct nvkm_pci *, u16, u32); +#endif |