From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgm200.c | 76 ++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgm200.c (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgm200.c') diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgm200.c new file mode 100644 index 000000000..7d417f6a8 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgm200.c @@ -0,0 +1,76 @@ +/* + * Copyright 2014 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 "pad.h" +#include "aux.h" +#include "bus.h" + +static void +gm200_i2c_pad_mode(struct nvkm_i2c_pad *pad, enum nvkm_i2c_pad_mode mode) +{ + struct nvkm_subdev *subdev = &pad->i2c->subdev; + struct nvkm_device *device = subdev->device; + const u32 base = (pad->id - NVKM_I2C_PAD_HYBRID(0)) * 0x50; + + switch (mode) { + case NVKM_I2C_PAD_OFF: + nvkm_mask(device, 0x00d97c + base, 0x00000001, 0x00000001); + break; + case NVKM_I2C_PAD_I2C: + nvkm_mask(device, 0x00d970 + base, 0x0000c003, 0x0000c001); + nvkm_mask(device, 0x00d97c + base, 0x00000001, 0x00000000); + break; + case NVKM_I2C_PAD_AUX: + nvkm_mask(device, 0x00d970 + base, 0x0000c003, 0x00000002); + nvkm_mask(device, 0x00d97c + base, 0x00000001, 0x00000000); + break; + default: + WARN_ON(1); + break; + } +} + +static const struct nvkm_i2c_pad_func +gm200_i2c_pad_s_func = { + .bus_new_4 = gf119_i2c_bus_new, + .aux_new_6 = gm200_i2c_aux_new, + .mode = gm200_i2c_pad_mode, +}; + +int +gm200_i2c_pad_s_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad) +{ + return nvkm_i2c_pad_new_(&gm200_i2c_pad_s_func, i2c, id, ppad); +} + +static const struct nvkm_i2c_pad_func +gm200_i2c_pad_x_func = { + .bus_new_4 = gf119_i2c_bus_new, + .aux_new_6 = gm200_i2c_aux_new, +}; + +int +gm200_i2c_pad_x_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad) +{ + return nvkm_i2c_pad_new_(&gm200_i2c_pad_x_func, i2c, id, ppad); +} -- cgit v1.2.3