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drm/nouveau/mc: move device irq handling to platform-specific code

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2015-08-20 14:54:22 +10:00
parent ae0a5b2dd2
commit 2b700825e7
19 changed files with 181 additions and 323 deletions
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4
drivers/gpu/drm/nouveau/include/nvkm/core/device.h
View file

@ -146,6 +146,7 @@ struct nvkm_device_func {
struct nvkm_device_tegra *(*tegra)(struct nvkm_device *);
void *(*dtor)(struct nvkm_device *);
int (*preinit)(struct nvkm_device *);
int (*init)(struct nvkm_device *);
void (*fini)(struct nvkm_device *, bool suspend);
};
@ -247,9 +248,6 @@ nv_device_resource_start(struct nvkm_device *device, unsigned int bar);
resource_size_t
nv_device_resource_len(struct nvkm_device *device, unsigned int bar);
int
nv_device_get_irq(struct nvkm_device *device, bool stall);
struct platform_device;
enum nv_bus_type {

1
drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h
View file

@ -5,6 +5,7 @@
struct nvkm_device_tegra {
struct nvkm_device device;
struct platform_device *pdev;
int irq;
};
int nvkm_device_tegra_new(struct platform_device *,

9
drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h
View file

@ -5,24 +5,17 @@
struct nvkm_mc {
const struct nvkm_mc_func *func;
struct nvkm_subdev subdev;
unsigned int irq;
bool use_msi;
};
void nvkm_mc_intr(struct nvkm_mc *, bool *handled);
void nvkm_mc_intr_unarm(struct nvkm_mc *);
void nvkm_mc_intr_rearm(struct nvkm_mc *);
u32 nvkm_mc_intr_mask(struct nvkm_mc *);
void nvkm_mc_unk260(struct nvkm_mc *, u32 data);
int nv04_mc_new(struct nvkm_device *, int, struct nvkm_mc **);
int nv40_mc_new(struct nvkm_device *, int, struct nvkm_mc **);
int nv44_mc_new(struct nvkm_device *, int, struct nvkm_mc **);
int nv4c_mc_new(struct nvkm_device *, int, struct nvkm_mc **);
int nv50_mc_new(struct nvkm_device *, int, struct nvkm_mc **);
int g94_mc_new(struct nvkm_device *, int, struct nvkm_mc **);
int g98_mc_new(struct nvkm_device *, int, struct nvkm_mc **);
int gf100_mc_new(struct nvkm_device *, int, struct nvkm_mc **);
int gf106_mc_new(struct nvkm_device *, int, struct nvkm_mc **);
int gk20a_mc_new(struct nvkm_device *, int, struct nvkm_mc **);
#endif

4
drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h
View file

@ -5,13 +5,15 @@
struct nvkm_pci {
const struct nvkm_pci_func *func;
struct nvkm_subdev subdev;
struct pci_dev *pdev;
int irq;
bool msi;
};
u32 nvkm_pci_rd32(struct nvkm_pci *, u16 addr);
void nvkm_pci_wr08(struct nvkm_pci *, u16 addr, u8 data);
void nvkm_pci_wr32(struct nvkm_pci *, u16 addr, u32 data);
void nvkm_pci_rom_shadow(struct nvkm_pci *, bool shadow);
void nvkm_pci_msi_rearm(struct nvkm_pci *);
int nv04_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
int nv40_pci_new(struct nvkm_device *, int, struct nvkm_pci **);

72
drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
View file

@ -479,7 +479,7 @@ nv40_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv04_i2c_new,
.imem = nv40_instmem_new,
.mc = nv40_mc_new,
.mc = nv04_mc_new,
.mmu = nv04_mmu_new,
.pci = nv40_pci_new,
.therm = nv40_therm_new,
@ -505,7 +505,7 @@ nv41_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv04_i2c_new,
.imem = nv40_instmem_new,
.mc = nv40_mc_new,
.mc = nv04_mc_new,
.mmu = nv41_mmu_new,
.pci = nv40_pci_new,
.therm = nv40_therm_new,
@ -531,7 +531,7 @@ nv42_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv04_i2c_new,
.imem = nv40_instmem_new,
.mc = nv40_mc_new,
.mc = nv04_mc_new,
.mmu = nv41_mmu_new,
.pci = nv40_pci_new,
.therm = nv40_therm_new,
@ -557,7 +557,7 @@ nv43_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv04_i2c_new,
.imem = nv40_instmem_new,
.mc = nv40_mc_new,
.mc = nv04_mc_new,
.mmu = nv41_mmu_new,
.pci = nv40_pci_new,
.therm = nv40_therm_new,
@ -609,7 +609,7 @@ nv45_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv04_i2c_new,
.imem = nv40_instmem_new,
.mc = nv40_mc_new,
.mc = nv04_mc_new,
.mmu = nv04_mmu_new,
.pci = nv40_pci_new,
.therm = nv40_therm_new,
@ -661,7 +661,7 @@ nv47_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv04_i2c_new,
.imem = nv40_instmem_new,
.mc = nv40_mc_new,
.mc = nv04_mc_new,
.mmu = nv41_mmu_new,
.pci = nv40_pci_new,
.therm = nv40_therm_new,
@ -687,7 +687,7 @@ nv49_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv04_i2c_new,
.imem = nv40_instmem_new,
.mc = nv40_mc_new,
.mc = nv04_mc_new,
.mmu = nv41_mmu_new,
.pci = nv40_pci_new,
.therm = nv40_therm_new,
@ -739,7 +739,7 @@ nv4b_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv04_i2c_new,
.imem = nv40_instmem_new,
.mc = nv40_mc_new,
.mc = nv04_mc_new,
.mmu = nv41_mmu_new,
.pci = nv40_pci_new,
.therm = nv40_therm_new,
@ -765,7 +765,7 @@ nv4c_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv04_i2c_new,
.imem = nv40_instmem_new,
.mc = nv4c_mc_new,
.mc = nv44_mc_new,
.mmu = nv44_mmu_new,
.pci = nv4c_pci_new,
.therm = nv40_therm_new,
@ -791,7 +791,7 @@ nv4e_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv4e_i2c_new,
.imem = nv40_instmem_new,
.mc = nv4c_mc_new,
.mc = nv44_mc_new,
.mmu = nv44_mmu_new,
.pci = nv4c_pci_new,
.therm = nv40_therm_new,
@ -846,7 +846,7 @@ nv63_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv04_i2c_new,
.imem = nv40_instmem_new,
.mc = nv4c_mc_new,
.mc = nv44_mc_new,
.mmu = nv44_mmu_new,
.pci = nv4c_pci_new,
.therm = nv40_therm_new,
@ -872,7 +872,7 @@ nv67_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv04_i2c_new,
.imem = nv40_instmem_new,
.mc = nv4c_mc_new,
.mc = nv44_mc_new,
.mmu = nv44_mmu_new,
.pci = nv4c_pci_new,
.therm = nv40_therm_new,
@ -898,7 +898,7 @@ nv68_chipset = {
.gpio = nv10_gpio_new,
.i2c = nv04_i2c_new,
.imem = nv40_instmem_new,
.mc = nv4c_mc_new,
.mc = nv44_mc_new,
.mmu = nv44_mmu_new,
.pci = nv4c_pci_new,
.therm = nv40_therm_new,
@ -1022,7 +1022,7 @@ nv94_chipset = {
.gpio = g94_gpio_new,
.i2c = g94_i2c_new,
.imem = nv50_instmem_new,
.mc = g94_mc_new,
.mc = nv50_mc_new,
.mmu = nv50_mmu_new,
.mxm = nv50_mxm_new,
.pci = nv40_pci_new,
@ -1054,7 +1054,7 @@ nv96_chipset = {
.gpio = g94_gpio_new,
.i2c = g94_i2c_new,
.imem = nv50_instmem_new,
.mc = g94_mc_new,
.mc = nv50_mc_new,
.mmu = nv50_mmu_new,
.mxm = nv50_mxm_new,
.pci = nv40_pci_new,
@ -1385,7 +1385,7 @@ nvc1_chipset = {
.ibus = gf100_ibus_new,
.imem = nv50_instmem_new,
.ltc = gf100_ltc_new,
.mc = gf106_mc_new,
.mc = gf100_mc_new,
.mmu = gf100_mmu_new,
.mxm = nv50_mxm_new,
.pci = nv40_pci_new,
@ -1420,7 +1420,7 @@ nvc3_chipset = {
.ibus = gf100_ibus_new,
.imem = nv50_instmem_new,
.ltc = gf100_ltc_new,
.mc = gf106_mc_new,
.mc = gf100_mc_new,
.mmu = gf100_mmu_new,
.mxm = nv50_mxm_new,
.pci = nv40_pci_new,
@ -1563,7 +1563,7 @@ nvcf_chipset = {
.ibus = gf100_ibus_new,
.imem = nv50_instmem_new,
.ltc = gf100_ltc_new,
.mc = gf106_mc_new,
.mc = gf100_mc_new,
.mmu = gf100_mmu_new,
.mxm = nv50_mxm_new,
.pci = nv40_pci_new,
@ -1598,7 +1598,7 @@ nvd7_chipset = {
.ibus = gf100_ibus_new,
.imem = nv50_instmem_new,
.ltc = gf100_ltc_new,
.mc = gf106_mc_new,
.mc = gf100_mc_new,
.mmu = gf100_mmu_new,
.mxm = nv50_mxm_new,
.pci = nv40_pci_new,
@ -1631,7 +1631,7 @@ nvd9_chipset = {
.ibus = gf100_ibus_new,
.imem = nv50_instmem_new,
.ltc = gf100_ltc_new,
.mc = gf106_mc_new,
.mc = gf100_mc_new,
.mmu = gf100_mmu_new,
.mxm = nv50_mxm_new,
.pci = nv40_pci_new,
@ -1666,7 +1666,7 @@ nve4_chipset = {
.ibus = gk104_ibus_new,
.imem = nv50_instmem_new,
.ltc = gk104_ltc_new,
.mc = gf106_mc_new,
.mc = gf100_mc_new,
.mmu = gf100_mmu_new,
.mxm = nv50_mxm_new,
.pci = nv40_pci_new,
@ -1703,7 +1703,7 @@ nve6_chipset = {
.ibus = gk104_ibus_new,
.imem = nv50_instmem_new,
.ltc = gk104_ltc_new,
.mc = gf106_mc_new,
.mc = gf100_mc_new,
.mmu = gf100_mmu_new,
.mxm = nv50_mxm_new,
.pci = nv40_pci_new,
@ -1740,7 +1740,7 @@ nve7_chipset = {
.ibus = gk104_ibus_new,
.imem = nv50_instmem_new,
.ltc = gk104_ltc_new,
.mc = gf106_mc_new,
.mc = gf100_mc_new,
.mmu = gf100_mmu_new,
.mxm = nv50_mxm_new,
.pci = nv40_pci_new,
@ -1801,7 +1801,7 @@ nvf0_chipset = {
.ibus = gk104_ibus_new,
.imem = nv50_instmem_new,
.ltc = gk104_ltc_new,
.mc = gf106_mc_new,
.mc = gf100_mc_new,
.mmu = gf100_mmu_new,
.mxm = nv50_mxm_new,
.pci = nv40_pci_new,
@ -1837,7 +1837,7 @@ nvf1_chipset = {
.ibus = gk104_ibus_new,
.imem = nv50_instmem_new,
.ltc = gk104_ltc_new,
.mc = gf106_mc_new,
.mc = gf100_mc_new,
.mmu = gf100_mmu_new,
.mxm = nv50_mxm_new,
.pci = nv40_pci_new,
@ -2231,11 +2231,17 @@ nvkm_device_init(struct nvkm_device *device)
nvdev_trace(device, "init running...\n");
time = ktime_to_us(ktime_get());
if (device->func->init) {
ret = device->func->init(device);
if (ret)
goto fail;
}
for (i = 0; i < NVKM_SUBDEV_NR; i++) {
if ((subdev = nvkm_device_subdev(device, i))) {
ret = nvkm_subdev_init(subdev);
if (ret)
goto fail;
goto fail_subdev;
}
}
@ -2245,12 +2251,13 @@ nvkm_device_init(struct nvkm_device *device)
nvdev_trace(device, "init completed in %lldus\n", time);
return 0;
fail:
fail_subdev:
do {
if ((subdev = nvkm_device_subdev(device, i)))
nvkm_subdev_fini(subdev, false);
} while (--i >= 0);
fail:
nvdev_error(device, "init failed with %d\n", ret);
return ret;
}
@ -2285,17 +2292,6 @@ nv_device_resource_len(struct nvkm_device *device, unsigned int bar)
}
}
int
nv_device_get_irq(struct nvkm_device *device, bool stall)
{
if (nv_device_is_pci(device)) {
return device->pdev->irq;
} else {
return platform_get_irq_byname(device->platformdev,
stall ? "stall" : "nonstall");
}
}
void
nvkm_device_del(struct nvkm_device **pdevice)
{

46
drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
View file

@ -31,9 +31,54 @@ nvkm_device_tegra(struct nvkm_device *obj)
return container_of(obj, struct nvkm_device_tegra, device);
}
static irqreturn_t
nvkm_device_tegra_intr(int irq, void *arg)
{
struct nvkm_device_tegra *tdev = arg;
struct nvkm_mc *mc = tdev->device.mc;
bool handled = false;
if (likely(mc)) {
nvkm_mc_intr_unarm(mc);
nvkm_mc_intr(mc, &handled);
nvkm_mc_intr_rearm(mc);
}
return handled ? IRQ_HANDLED : IRQ_NONE;
}
static void
nvkm_device_tegra_fini(struct nvkm_device *device, bool suspend)
{
struct nvkm_device_tegra *tdev = nvkm_device_tegra(device);
if (tdev->irq) {
free_irq(tdev->irq, tdev);
tdev->irq = 0;
};
}
static int
nvkm_device_tegra_init(struct nvkm_device *device)
{
struct nvkm_device_tegra *tdev = nvkm_device_tegra(device);
int irq, ret;
irq = platform_get_irq_byname(tdev->pdev, "stall");
if (irq < 0)
return irq;
ret = request_irq(irq, nvkm_device_tegra_intr,
IRQF_SHARED, "nvkm", tdev);
if (ret)
return ret;
tdev->irq = irq;
return 0;
}
static const struct nvkm_device_func
nvkm_device_tegra_func = {
.tegra = nvkm_device_tegra,
.init = nvkm_device_tegra_init,
.fini = nvkm_device_tegra_fini,
};
int
@ -48,6 +93,7 @@ nvkm_device_tegra_new(struct platform_device *pdev,
return -ENOMEM;
*pdevice = &tdev->device;
tdev->pdev = pdev;
tdev->irq = -1;
return nvkm_device_ctor(&nvkm_device_tegra_func, NULL, pdev,
NVKM_BUS_PLATFORM, pdev->id, NULL,

4
drivers/gpu/drm/nouveau/nvkm/subdev/mc/Kbuild
View file

@ -1,11 +1,7 @@
nvkm-y += nvkm/subdev/mc/base.o
nvkm-y += nvkm/subdev/mc/nv04.o
nvkm-y += nvkm/subdev/mc/nv40.o
nvkm-y += nvkm/subdev/mc/nv44.o
nvkm-y += nvkm/subdev/mc/nv4c.o
nvkm-y += nvkm/subdev/mc/nv50.o
nvkm-y += nvkm/subdev/mc/g94.o
nvkm-y += nvkm/subdev/mc/g98.o
nvkm-y += nvkm/subdev/mc/gf100.o
nvkm-y += nvkm/subdev/mc/gf106.o
nvkm-y += nvkm/subdev/mc/gk20a.o

97
drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c
View file

@ -44,7 +44,7 @@ nvkm_mc_intr_rearm(struct nvkm_mc *mc)
return mc->func->intr_rearm(mc);
}
u32
static u32
nvkm_mc_intr_mask(struct nvkm_mc *mc)
{
u32 intr = mc->func->intr_mask(mc);
@ -53,39 +53,28 @@ nvkm_mc_intr_mask(struct nvkm_mc *mc)
return intr;
}
static irqreturn_t
nvkm_mc_intr(int irq, void *arg)
void
nvkm_mc_intr(struct nvkm_mc *mc, bool *handled)
{
struct nvkm_mc *mc = arg;
struct nvkm_subdev *subdev = &mc->subdev;
struct nvkm_device *device = subdev->device;
struct nvkm_device *device = mc->subdev.device;
struct nvkm_subdev *subdev;
const struct nvkm_mc_intr *map = mc->func->intr;
struct nvkm_subdev *unit;
u32 intr;
u32 stat, intr;
nvkm_mc_intr_unarm(mc);
intr = nvkm_mc_intr_mask(mc);
if (mc->use_msi)
mc->func->msi_rearm(mc);
if (intr) {
u32 stat = intr = nvkm_mc_intr_mask(mc);
while (map->stat) {
if (intr & map->stat) {
unit = nvkm_device_subdev(device, map->unit);
if (unit)
nvkm_subdev_intr(unit);
stat &= ~map->stat;
}
map++;
stat = intr = nvkm_mc_intr_mask(mc);
while (map->stat) {
if (intr & map->stat) {
subdev = nvkm_device_subdev(device, map->unit);
if (subdev)
nvkm_subdev_intr(subdev);
stat &= ~map->stat;
}
if (stat)
nvkm_error(subdev, "unknown intr %08x\n", stat);
map++;
}
nvkm_mc_intr_rearm(mc);
return intr ? IRQ_HANDLED : IRQ_NONE;
if (stat)
nvkm_error(&mc->subdev, "intr %08x\n", stat);
*handled = intr != 0;
}
static int
@ -96,13 +85,6 @@ nvkm_mc_fini(struct nvkm_subdev *subdev, bool suspend)
return 0;
}
static int
nvkm_mc_oneinit(struct nvkm_subdev *subdev)
{
struct nvkm_mc *mc = nvkm_mc(subdev);
return request_irq(mc->irq, nvkm_mc_intr, IRQF_SHARED, "nvkm", mc);
}
static int
nvkm_mc_init(struct nvkm_subdev *subdev)
{
@ -116,18 +98,12 @@ nvkm_mc_init(struct nvkm_subdev *subdev)
static void *
nvkm_mc_dtor(struct nvkm_subdev *subdev)
{
struct nvkm_mc *mc = nvkm_mc(subdev);
struct nvkm_device *device = mc->subdev.device;
free_irq(mc->irq, mc);
if (mc->use_msi)
pci_disable_msi(device->pdev);
return mc;
return nvkm_mc(subdev);
}
static const struct nvkm_subdev_func
nvkm_mc = {
.dtor = nvkm_mc_dtor,
.oneinit = nvkm_mc_oneinit,
.init = nvkm_mc_init,
.fini = nvkm_mc_fini,
};
@ -137,48 +113,11 @@ nvkm_mc_new_(const struct nvkm_mc_func *func, struct nvkm_device *device,
int index, struct nvkm_mc **pmc)
{
struct nvkm_mc *mc;
int ret;
if (!(mc = *pmc = kzalloc(sizeof(*mc), GFP_KERNEL)))
return -ENOMEM;
nvkm_subdev_ctor(&nvkm_mc, device, index, 0, &mc->subdev);
mc->func = func;
if (nv_device_is_pci(device)) {
switch (device->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:
mc->use_msi = true;
break;
}
}
mc->use_msi = nvkm_boolopt(device->cfgopt, "NvMSI",
mc->use_msi);
if (mc->use_msi && mc->func->msi_rearm) {
mc->use_msi = pci_enable_msi(device->pdev) == 0;
if (mc->use_msi) {
nvkm_debug(&mc->subdev, "MSI enabled\n");
mc->func->msi_rearm(mc);
}
} else {
mc->use_msi = false;
}
}
ret = nv_device_get_irq(device, true);
if (ret < 0)
return ret;
mc->irq = ret;
return 0;
}

40
drivers/gpu/drm/nouveau/nvkm/subdev/mc/g94.c
View file

@ -1,40 +0,0 @@
/*
* Copyright 2012 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
*/
#include "priv.h"
static const struct nvkm_mc_func
g94_mc = {
.init = nv50_mc_init,
.intr = nv50_mc_intr,
.intr_unarm = nv04_mc_intr_unarm,
.intr_rearm = nv04_mc_intr_rearm,
.intr_mask = nv04_mc_intr_mask,
.msi_rearm = nv40_mc_msi_rearm,
};
int
g94_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
{
return nvkm_mc_new_(&g94_mc, device, index, pmc);
}

1
drivers/gpu/drm/nouveau/nvkm/subdev/mc/g98.c
View file

@ -51,7 +51,6 @@ g98_mc = {
.intr_unarm = nv04_mc_intr_unarm,
.intr_rearm = nv04_mc_intr_rearm,
.intr_mask = nv04_mc_intr_mask,
.msi_rearm = nv40_mc_msi_rearm,
};
int

7
drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf100.c
View file

@ -74,12 +74,6 @@ gf100_mc_intr_mask(struct nvkm_mc *mc)
return intr0 | intr1;
}
static void
gf100_mc_msi_rearm(struct nvkm_mc *mc)
{
nvkm_wr32(mc->subdev.device, 0x088704, 0x00000000);
}
void
gf100_mc_unk260(struct nvkm_mc *mc, u32 data)
{
@ -93,7 +87,6 @@ gf100_mc = {
.intr_unarm = gf100_mc_intr_unarm,
.intr_rearm = gf100_mc_intr_rearm,
.intr_mask = gf100_mc_intr_mask,
.msi_rearm = gf100_mc_msi_rearm,
.unk260 = gf100_mc_unk260,
};

41
drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf106.c
View file

@ -1,41 +0,0 @@
/*
* Copyright 2012 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
*/
#include "priv.h"
static const struct nvkm_mc_func
gf106_mc = {
.init = nv50_mc_init,
.intr = gf100_mc_intr,
.intr_unarm = gf100_mc_intr_unarm,
.intr_rearm = gf100_mc_intr_rearm,
.intr_mask = gf100_mc_intr_mask,
.msi_rearm = nv40_mc_msi_rearm,
.unk260 = gf100_mc_unk260,
};
int
gf106_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
{
return nvkm_mc_new_(&gf106_mc, device, index, pmc);
}

1
drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk20a.c
View file

@ -30,7 +30,6 @@ gk20a_mc = {
.intr_unarm = gf100_mc_intr_unarm,
.intr_rearm = gf100_mc_intr_rearm,
.intr_mask = gf100_mc_intr_mask,
.msi_rearm = nv40_mc_msi_rearm,
};
int

46
drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv40.c
View file

@ -1,46 +0,0 @@
/*
* Copyright 2012 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
*/
#include "priv.h"
void
nv40_mc_msi_rearm(struct nvkm_mc *mc)
{
nvkm_wr08(mc->subdev.device, 0x088068, 0xff);
}
static const struct nvkm_mc_func
nv40_mc = {
.init = nv04_mc_init,
.intr = nv04_mc_intr,
.intr_unarm = nv04_mc_intr_unarm,
.intr_rearm = nv04_mc_intr_rearm,
.intr_mask = nv04_mc_intr_mask,
.msi_rearm = nv40_mc_msi_rearm,
};
int
nv40_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
{
return nvkm_mc_new_(&nv40_mc, device, index, pmc);
}

1
drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c
View file

@ -44,7 +44,6 @@ nv44_mc = {
.intr_unarm = nv04_mc_intr_unarm,
.intr_rearm = nv04_mc_intr_rearm,
.intr_mask = nv04_mc_intr_mask,
.msi_rearm = nv40_mc_msi_rearm,
};
int

39
drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv4c.c
View file

@ -1,39 +0,0 @@
/*
* Copyright 2014 Ilia Mirkin
*
* 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: Ilia Mirkin
*/
#include "priv.h"
static const struct nvkm_mc_func
nv4c_mc = {
.init = nv44_mc_init,
.intr = nv04_mc_intr,
.intr_unarm = nv04_mc_intr_unarm,
.intr_rearm = nv04_mc_intr_rearm,
.intr_mask = nv04_mc_intr_mask,
};
int
nv4c_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
{
return nvkm_mc_new_(&nv4c_mc, device, index, pmc);
}

8
drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c
View file

@ -41,13 +41,6 @@ nv50_mc_intr[] = {
{},
};
static void
nv50_mc_msi_rearm(struct nvkm_mc *mc)
{
struct nvkm_device *device = mc->subdev.device;
pci_write_config_byte(device->pdev, 0x68, 0xff);
}
void
nv50_mc_init(struct nvkm_mc *mc)
{
@ -62,7 +55,6 @@ nv50_mc = {
.intr_unarm = nv04_mc_intr_unarm,
.intr_rearm = nv04_mc_intr_rearm,
.intr_mask = nv04_mc_intr_mask,
.msi_rearm = nv50_mc_msi_rearm,
};
int

3
drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h
View file

@ -20,7 +20,6 @@ struct nvkm_mc_func {
void (*intr_rearm)(struct nvkm_mc *);
/* retrieve pending interrupt mask (NV_PMC_INTR) */
u32 (*intr_mask)(struct nvkm_mc *);
void (*msi_rearm)(struct nvkm_mc *);
void (*unk260)(struct nvkm_mc *, u32);
};
@ -30,8 +29,6 @@ void nv04_mc_intr_unarm(struct nvkm_mc *);
void nv04_mc_intr_rearm(struct nvkm_mc *);
u32 nv04_mc_intr_mask(struct nvkm_mc *);
void nv40_mc_msi_rearm(struct nvkm_mc *);
void nv44_mc_init(struct nvkm_mc *);
void nv50_mc_init(struct nvkm_mc *);

80
drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c
View file

@ -23,6 +23,10 @@
*/
#include "priv.h"
#include <core/option.h>
#include <core/pci.h>
#include <subdev/mc.h>
u32
nvkm_pci_rd32(struct nvkm_pci *pci, u16 addr)
{
@ -52,21 +56,62 @@ nvkm_pci_rom_shadow(struct nvkm_pci *pci, bool shadow)
nvkm_pci_wr32(pci, 0x0050, data);
}
void
nvkm_pci_msi_rearm(struct nvkm_pci *pci)
static irqreturn_t
nvkm_pci_intr(int irq, void *arg)
{
pci->func->msi_rearm(pci);
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;
};
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;
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);
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,
.init = nvkm_pci_init,
.fini = nvkm_pci_fini,
};
int
@ -74,9 +119,38 @@ 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;
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;
}