77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/*
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* Copyright 2014 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include "pad.h"
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#include "aux.h"
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#include "bus.h"
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void
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g94_i2c_pad_mode(struct nvkm_i2c_pad *pad, enum nvkm_i2c_pad_mode mode)
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{
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struct nvkm_subdev *subdev = &pad->i2c->subdev;
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struct nvkm_device *device = subdev->device;
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const u32 base = (pad->id - NVKM_I2C_PAD_HYBRID(0)) * 0x50;
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switch (mode) {
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case NVKM_I2C_PAD_OFF:
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nvkm_mask(device, 0x00e50c + base, 0x00000001, 0x00000001);
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break;
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case NVKM_I2C_PAD_I2C:
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nvkm_mask(device, 0x00e500 + base, 0x0000c003, 0x0000c001);
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nvkm_mask(device, 0x00e50c + base, 0x00000001, 0x00000000);
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break;
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case NVKM_I2C_PAD_AUX:
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nvkm_mask(device, 0x00e500 + base, 0x0000c003, 0x00000002);
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nvkm_mask(device, 0x00e50c + base, 0x00000001, 0x00000000);
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break;
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default:
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WARN_ON(1);
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break;
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}
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}
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static const struct nvkm_i2c_pad_func
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g94_i2c_pad_s_func = {
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.bus_new_4 = nv50_i2c_bus_new,
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.aux_new_6 = g94_i2c_aux_new,
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.mode = g94_i2c_pad_mode,
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};
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int
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g94_i2c_pad_s_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad)
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{
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return nvkm_i2c_pad_new_(&g94_i2c_pad_s_func, i2c, id, ppad);
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}
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static const struct nvkm_i2c_pad_func
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g94_i2c_pad_x_func = {
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.bus_new_4 = nv50_i2c_bus_new,
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.aux_new_6 = g94_i2c_aux_new,
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};
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int
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g94_i2c_pad_x_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad)
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{
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return nvkm_i2c_pad_new_(&g94_i2c_pad_x_func, i2c, id, ppad);
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}
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