mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 01:55:35 +07:00
ec9b3a9de6
Previous issues with i2c-algo-bit have now been resolved.
This is a revert of f553b79c03
mostly,
due to fixes in the i2c core repairing the original issue, this code
isn't required and was causing regressions.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reported-by: Nick Bowler <nbowler@elliptictech.com>
Tested-by: Nick Bowler <nbowler@elliptictech.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/*
|
|
* Copyright 2009 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.
|
|
*/
|
|
|
|
#ifndef __NOUVEAU_I2C_H__
|
|
#define __NOUVEAU_I2C_H__
|
|
|
|
#include <linux/i2c.h>
|
|
#include <linux/i2c-algo-bit.h>
|
|
#include "drm_dp_helper.h"
|
|
|
|
#define NV_I2C_PORT(n) (0x00 + (n))
|
|
#define NV_I2C_PORT_NUM 0x10
|
|
#define NV_I2C_DEFAULT(n) (0x80 + (n))
|
|
|
|
struct nouveau_i2c_chan {
|
|
struct i2c_adapter adapter;
|
|
struct drm_device *dev;
|
|
struct i2c_algo_bit_data bit;
|
|
struct list_head head;
|
|
u8 index;
|
|
u8 type;
|
|
u32 dcb;
|
|
u32 drive;
|
|
u32 sense;
|
|
u32 state;
|
|
};
|
|
|
|
int nouveau_i2c_init(struct drm_device *);
|
|
void nouveau_i2c_fini(struct drm_device *);
|
|
struct nouveau_i2c_chan *nouveau_i2c_find(struct drm_device *, u8 index);
|
|
bool nouveau_probe_i2c_addr(struct nouveau_i2c_chan *i2c, int addr);
|
|
int nouveau_i2c_identify(struct drm_device *dev, const char *what,
|
|
struct i2c_board_info *info,
|
|
bool (*match)(struct nouveau_i2c_chan *,
|
|
struct i2c_board_info *),
|
|
int index);
|
|
|
|
extern const struct i2c_algorithm nouveau_dp_i2c_algo;
|
|
|
|
#endif /* __NOUVEAU_I2C_H__ */
|