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1/*2 * Copyright 2014 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs23 */24#include "pad.h"25#include "aux.h"26#include "bus.h"27 28static void29gm200_i2c_pad_mode(struct nvkm_i2c_pad *pad, enum nvkm_i2c_pad_mode mode)30{31 struct nvkm_subdev *subdev = &pad->i2c->subdev;32 struct nvkm_device *device = subdev->device;33 const u32 base = (pad->id - NVKM_I2C_PAD_HYBRID(0)) * 0x50;34 35 switch (mode) {36 case NVKM_I2C_PAD_OFF:37 nvkm_mask(device, 0x00d97c + base, 0x00000001, 0x00000001);38 break;39 case NVKM_I2C_PAD_I2C:40 nvkm_mask(device, 0x00d970 + base, 0x0000c003, 0x0000c001);41 nvkm_mask(device, 0x00d97c + base, 0x00000001, 0x00000000);42 break;43 case NVKM_I2C_PAD_AUX:44 nvkm_mask(device, 0x00d970 + base, 0x0000c003, 0x00000002);45 nvkm_mask(device, 0x00d97c + base, 0x00000001, 0x00000000);46 break;47 default:48 WARN_ON(1);49 break;50 }51}52 53static const struct nvkm_i2c_pad_func54gm200_i2c_pad_s_func = {55 .bus_new_4 = gf119_i2c_bus_new,56 .aux_new_6 = gm200_i2c_aux_new,57 .mode = gm200_i2c_pad_mode,58};59 60int61gm200_i2c_pad_s_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad)62{63 return nvkm_i2c_pad_new_(&gm200_i2c_pad_s_func, i2c, id, ppad);64}65 66static const struct nvkm_i2c_pad_func67gm200_i2c_pad_x_func = {68 .bus_new_4 = gf119_i2c_bus_new,69 .aux_new_6 = gm200_i2c_aux_new,70};71 72int73gm200_i2c_pad_x_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad)74{75 return nvkm_i2c_pad_new_(&gm200_i2c_pad_x_func, i2c, id, ppad);76}77