drm/gm204/i2c: add pad driver (f105aa37) · Commits · github.com / kvm-riscv / linux

drivers/gpu/drm/nouveau/Makefile

+1 −0

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		@@ -158,6 +158,7 @@ nouveau-y += core/subdev/i2c/bit.o
		nouveau-y += core/subdev/i2c/pad.o
		nouveau-y += core/subdev/i2c/padnv04.o
		nouveau-y += core/subdev/i2c/padnv94.o
		nouveau-y += core/subdev/i2c/padgm204.o
		nouveau-y += core/subdev/i2c/nv04.o
		nouveau-y += core/subdev/i2c/nv4e.o
		nouveau-y += core/subdev/i2c/nv50.o

drivers/gpu/drm/nouveau/core/subdev/i2c/padgm204.c

0 → 100644

+86 −0

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		/*
		* 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"

		struct gm204_i2c_pad {
		struct nvkm_i2c_pad base;
		int addr;
		};

		static int
		gm204_i2c_pad_fini(struct nouveau_object *object, bool suspend)
		{
		struct nouveau_i2c i2c = (void )object->engine;
		struct gm204_i2c_pad pad = (void )object;
		nv_mask(i2c, 0x00d97c + pad->addr, 0x00000001, 0x00000001);
		return nvkm_i2c_pad_fini(&pad->base, suspend);
		}

		static int
		gm204_i2c_pad_init(struct nouveau_object *object)
		{
		struct nouveau_i2c i2c = (void )object->engine;
		struct gm204_i2c_pad pad = (void )object;

		switch (nv_oclass(pad->base.next)->handle) {
		case NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_AUX):
		nv_mask(i2c, 0x00d970 + pad->addr, 0x0000c003, 0x00000002);
		break;
		case NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT):
		default:
		nv_mask(i2c, 0x00d970 + pad->addr, 0x0000c003, 0x0000c001);
		break;
		}

		nv_mask(i2c, 0x00d97c + pad->addr, 0x00000001, 0x00000000);
		return nvkm_i2c_pad_init(&pad->base);
		}

		static int
		gm204_i2c_pad_ctor(struct nouveau_object parent, struct nouveau_object engine,
		struct nouveau_oclass oclass, void data, u32 index,
		struct nouveau_object **pobject)
		{
		struct gm204_i2c_pad *pad;
		int ret;

		ret = nvkm_i2c_pad_create(parent, engine, oclass, index, &pad);
		*pobject = nv_object(pad);
		if (ret)
		return ret;

		pad->addr = index * 0x50;;
		return 0;
		}

		struct nouveau_oclass
		gm204_i2c_pad_oclass = {
		.ofuncs = &(struct nouveau_ofuncs) {
		.ctor = gm204_i2c_pad_ctor,
		.dtor = _nvkm_i2c_pad_dtor,
		.init = gm204_i2c_pad_init,
		.fini = gm204_i2c_pad_fini,
		},
		};

drivers/gpu/drm/nouveau/core/subdev/i2c/priv.h

+1 −0

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		@@ -5,6 +5,7 @@

		extern struct nouveau_oclass nv04_i2c_pad_oclass;
		extern struct nouveau_oclass nv94_i2c_pad_oclass;
		extern struct nouveau_oclass gm204_i2c_pad_oclass;

		#define nouveau_i2c_port_create(p,e,o,i,a,f,d) \
		nouveau_i2c_port_create_((p), (e), (o), (i), (a), (f), \