diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/subdev/gpio/g94.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/gpio/g94.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/gpio/g94.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/g94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/g94.c new file mode 100644 index 000000000..114728ccd --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/g94.c @@ -0,0 +1,75 @@ +/* + * 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 +g94_gpio_intr_stat(struct nvkm_gpio *gpio, u32 *hi, u32 *lo) +{ + struct nvkm_device *device = gpio->subdev.device; + u32 intr0 = nvkm_rd32(device, 0x00e054); + u32 intr1 = nvkm_rd32(device, 0x00e074); + u32 stat0 = nvkm_rd32(device, 0x00e050) & intr0; + u32 stat1 = nvkm_rd32(device, 0x00e070) & intr1; + *lo = (stat1 & 0xffff0000) | (stat0 >> 16); + *hi = (stat1 << 16) | (stat0 & 0x0000ffff); + nvkm_wr32(device, 0x00e054, intr0); + nvkm_wr32(device, 0x00e074, intr1); +} + +void +g94_gpio_intr_mask(struct nvkm_gpio *gpio, u32 type, u32 mask, u32 data) +{ + struct nvkm_device *device = gpio->subdev.device; + u32 inte0 = nvkm_rd32(device, 0x00e050); + u32 inte1 = nvkm_rd32(device, 0x00e070); + if (type & NVKM_GPIO_LO) + inte0 = (inte0 & ~(mask << 16)) | (data << 16); + if (type & NVKM_GPIO_HI) + inte0 = (inte0 & ~(mask & 0xffff)) | (data & 0xffff); + mask >>= 16; + data >>= 16; + if (type & NVKM_GPIO_LO) + inte1 = (inte1 & ~(mask << 16)) | (data << 16); + if (type & NVKM_GPIO_HI) + inte1 = (inte1 & ~mask) | data; + nvkm_wr32(device, 0x00e050, inte0); + nvkm_wr32(device, 0x00e070, inte1); +} + +static const struct nvkm_gpio_func +g94_gpio = { + .lines = 32, + .intr_stat = g94_gpio_intr_stat, + .intr_mask = g94_gpio_intr_mask, + .drive = nv50_gpio_drive, + .sense = nv50_gpio_sense, + .reset = nv50_gpio_reset, +}; + +int +g94_gpio_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_gpio **pgpio) +{ + return nvkm_gpio_new_(&g94_gpio, device, type, inst, pgpio); +} |