From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gk104.c | 72 +++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gk104.c (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gk104.c') diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gk104.c new file mode 100644 index 000000000..f9f6bf4b6 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gk104.c @@ -0,0 +1,72 @@ +/* + * 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" +#include "pad.h" + +void +gk104_aux_stat(struct nvkm_i2c *i2c, u32 *hi, u32 *lo, u32 *rq, u32 *tx) +{ + struct nvkm_device *device = i2c->subdev.device; + u32 intr = nvkm_rd32(device, 0x00dc60); + u32 stat = nvkm_rd32(device, 0x00dc68) & intr, i; + for (i = 0, *hi = *lo = *rq = *tx = 0; i < 8; i++) { + if ((stat & (1 << (i * 4)))) *hi |= 1 << i; + if ((stat & (2 << (i * 4)))) *lo |= 1 << i; + if ((stat & (4 << (i * 4)))) *rq |= 1 << i; + if ((stat & (8 << (i * 4)))) *tx |= 1 << i; + } + nvkm_wr32(device, 0x00dc60, intr); +} + +void +gk104_aux_mask(struct nvkm_i2c *i2c, u32 type, u32 mask, u32 data) +{ + struct nvkm_device *device = i2c->subdev.device; + u32 temp = nvkm_rd32(device, 0x00dc68), i; + for (i = 0; i < 8; i++) { + if (mask & (1 << i)) { + if (!(data & (1 << i))) { + temp &= ~(type << (i * 4)); + continue; + } + temp |= type << (i * 4); + } + } + nvkm_wr32(device, 0x00dc68, temp); +} + +static const struct nvkm_i2c_func +gk104_i2c = { + .pad_x_new = gf119_i2c_pad_x_new, + .pad_s_new = gf119_i2c_pad_s_new, + .aux = 4, + .aux_stat = gk104_aux_stat, + .aux_mask = gk104_aux_mask, +}; + +int +gk104_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c) +{ + return nvkm_i2c_new_(&gk104_i2c, device, index, pi2c); +} -- cgit v1.2.3