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drm/gk104/i2c: add aux channel interrupt driver

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-05-13 14:53:34 +10:00
parent d78fa39a2b
commit 0ff32977ea
6 changed files with 79 additions and 6 deletions
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1
drivers/gpu/drm/nouveau/Makefile
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@ -137,6 +137,7 @@ nouveau-y += core/subdev/i2c/nv4e.o
nouveau-y += core/subdev/i2c/nv50.o
nouveau-y += core/subdev/i2c/nv94.o
nouveau-y += core/subdev/i2c/nvd0.o
nouveau-y += core/subdev/i2c/nve0.o
nouveau-y += core/subdev/ibus/nvc0.o
nouveau-y += core/subdev/ibus/nve0.o
nouveau-y += core/subdev/ibus/gk20a.o

10
drivers/gpu/drm/nouveau/core/engine/device/nve0.c
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@ -61,7 +61,7 @@ nve0_identify(struct nouveau_device *device)
device->cname = "GK104";
device->oclass[NVDEV_SUBDEV_VBIOS ] = &nouveau_bios_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = nve0_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = nvd0_i2c_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = nve0_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nve0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nvd0_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
@ -94,7 +94,7 @@ nve0_identify(struct nouveau_device *device)
device->cname = "GK107";
device->oclass[NVDEV_SUBDEV_VBIOS ] = &nouveau_bios_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = nve0_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = nvd0_i2c_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = nve0_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nve0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nvd0_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
@ -127,7 +127,7 @@ nve0_identify(struct nouveau_device *device)
device->cname = "GK106";
device->oclass[NVDEV_SUBDEV_VBIOS ] = &nouveau_bios_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = nve0_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = nvd0_i2c_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = nve0_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nve0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nvd0_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
@ -177,7 +177,7 @@ nve0_identify(struct nouveau_device *device)
device->cname = "GK110";
device->oclass[NVDEV_SUBDEV_VBIOS ] = &nouveau_bios_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = nve0_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = nvd0_i2c_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = nve0_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nve0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nvd0_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
@ -243,7 +243,7 @@ nve0_identify(struct nouveau_device *device)
device->cname = "GK208";
device->oclass[NVDEV_SUBDEV_VBIOS ] = &nouveau_bios_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = nve0_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = nvd0_i2c_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = nve0_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nve0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nvd0_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;

1
drivers/gpu/drm/nouveau/core/include/subdev/i2c.h
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@ -80,6 +80,7 @@ extern struct nouveau_oclass *nv4e_i2c_oclass;
extern struct nouveau_oclass *nv50_i2c_oclass;
extern struct nouveau_oclass *nv94_i2c_oclass;
extern struct nouveau_oclass *nvd0_i2c_oclass;
extern struct nouveau_oclass *nve0_i2c_oclass;
static inline int
nv_rdi2cr(struct nouveau_i2c_port *port, u8 addr, u8 reg)

2
drivers/gpu/drm/nouveau/core/subdev/i2c/nvd0.c
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@ -75,7 +75,7 @@ nvd0_i2c_port_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
return 0;
}
static struct nouveau_oclass
struct nouveau_oclass
nvd0_i2c_sclass[] = {
{ .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT),
.ofuncs = &(struct nouveau_ofuncs) {

70
drivers/gpu/drm/nouveau/core/subdev/i2c/nve0.c Normal file
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@ -0,0 +1,70 @@
/*
* Copyright 2012 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 "nv50.h"
static void
nve0_aux_stat(struct nouveau_i2c *i2c, u32 *hi, u32 *lo, u32 *rq, u32 *tx)
{
u32 intr = nv_rd32(i2c, 0x00dc60);
u32 stat = nv_rd32(i2c, 0x00dc68) & intr, i;
for (i = 0, *hi = *lo = *rq = *tx = 0; i < 8; i++) {
if ((stat & (1 << (i * 4)))) *hi |= 1 << i;
if ((stat & (2 << (i * 4)))) *lo |= 1 << i;
if ((stat & (4 << (i * 4)))) *rq |= 1 << i;
if ((stat & (8 << (i * 4)))) *tx |= 1 << i;
}
nv_wr32(i2c, 0x00dc60, intr);
}
static void
nve0_aux_mask(struct nouveau_i2c *i2c, u32 type, u32 mask, u32 data)
{
u32 temp = nv_rd32(i2c, 0x00dc68), i;
for (i = 0; i < 8; i++) {
if (mask & (1 << i)) {
if (!(data & (1 << i))) {
temp &= ~(type << (i * 4));
continue;
}
temp |= type << (i * 4);
}
}
nv_wr32(i2c, 0x00dc68, temp);
}
struct nouveau_oclass *
nve0_i2c_oclass = &(struct nouveau_i2c_impl) {
.base.handle = NV_SUBDEV(I2C, 0xe0),
.base.ofuncs = &(struct nouveau_ofuncs) {
.ctor = _nouveau_i2c_ctor,
.dtor = _nouveau_i2c_dtor,
.init = _nouveau_i2c_init,
.fini = _nouveau_i2c_fini,
},
.sclass = nvd0_i2c_sclass,
.aux = 4,
.aux_stat = nve0_aux_stat,
.aux_mask = nve0_aux_mask,
}.base;

1
drivers/gpu/drm/nouveau/core/subdev/i2c/priv.h
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@ -49,6 +49,7 @@ int _nouveau_i2c_init(struct nouveau_object *);
int _nouveau_i2c_fini(struct nouveau_object *, bool);
extern struct nouveau_oclass nouveau_anx9805_sclass[];
extern struct nouveau_oclass nvd0_i2c_sclass[];
extern const struct i2c_algorithm nouveau_i2c_bit_algo;
extern const struct i2c_algorithm nouveau_i2c_aux_algo;