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drm/nouveau/disp: add internal representaion of output paths and connectors

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This will, at some point, be used to replace various bits and pieces of
code doing direct bios parsing.  For now, it'll just be used for some
DP improvements.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-05-16 14:36:15 +10:00
parent 20014cbe8b
commit 7a014a8729
10 changed files with 619 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/nouveau/Makefile
View File

@ -222,6 +222,8 @@ nouveau-y += core/engine/device/nvc0.o
nouveau-y += core/engine/device/nve0.o
nouveau-y += core/engine/device/gm100.o
nouveau-y += core/engine/disp/base.o
nouveau-y += core/engine/disp/conn.o
nouveau-y += core/engine/disp/outp.o
nouveau-y += core/engine/disp/nv04.o
nouveau-y += core/engine/disp/nv50.o
nouveau-y += core/engine/disp/nv84.o

105
drivers/gpu/drm/nouveau/core/engine/disp/base.c
View File

@ -23,25 +23,86 @@
*/
#include "priv.h"
#include "outp.h"
#include "conn.h"
static int
nouveau_disp_hpd_check(struct nouveau_event *event, u32 types, int index)
{
struct nouveau_disp *disp = event->priv;
struct nvkm_output *outp;
list_for_each_entry(outp, &disp->outp, head) {
if (outp->conn->index == index) {
if (outp->conn->hpd.event)
return 0;
break;
}
}
return -ENOSYS;
}
int
_nouveau_disp_fini(struct nouveau_object *object, bool suspend)
{
struct nouveau_disp *disp = (void *)object;
struct nvkm_output *outp;
int ret;
list_for_each_entry(outp, &disp->outp, head) {
ret = nv_ofuncs(outp)->fini(nv_object(outp), suspend);
if (ret && suspend)
goto fail_outp;
}
return nouveau_engine_fini(&disp->base, suspend);
fail_outp:
list_for_each_entry_continue_reverse(outp, &disp->outp, head) {
nv_ofuncs(outp)->init(nv_object(outp));
}
return ret;
}
int
_nouveau_disp_init(struct nouveau_object *object)
{
return 0;
struct nouveau_disp *disp = (void *)object;
struct nvkm_output *outp;
int ret;
ret = nouveau_engine_init(&disp->base);
if (ret)
return ret;
list_for_each_entry(outp, &disp->outp, head) {
ret = nv_ofuncs(outp)->init(nv_object(outp));
if (ret)
goto fail_outp;
}
return ret;
fail_outp:
list_for_each_entry_continue_reverse(outp, &disp->outp, head) {
nv_ofuncs(outp)->fini(nv_object(outp), false);
}
return ret;
}
void
_nouveau_disp_dtor(struct nouveau_object *object)
{
struct nouveau_disp *disp = (void *)object;
struct nvkm_output *outp, *outt;
nouveau_event_destroy(&disp->vblank);
list_for_each_entry_safe(outp, outt, &disp->outp, head) {
nouveau_object_ref(NULL, (struct nouveau_object **)&outp);
}
nouveau_engine_destroy(&disp->base);
}
@ -52,8 +113,15 @@ nouveau_disp_create_(struct nouveau_object *parent,
const char *intname, const char *extname,
int length, void **pobject)
{
struct nouveau_disp_impl *impl = (void *)oclass;
struct nouveau_bios *bios = nouveau_bios(parent);
struct nouveau_disp *disp;
int ret;
struct nouveau_oclass **sclass;
struct nouveau_object *object;
struct dcb_output dcbE;
u8 hpd = 0, ver, hdr;
u32 data;
int ret, i;
ret = nouveau_engine_create_(parent, engine, oclass, true,
intname, extname, length, pobject);
@ -61,6 +129,39 @@ nouveau_disp_create_(struct nouveau_object *parent,
if (ret)
return ret;
INIT_LIST_HEAD(&disp->outp);
/* create output objects for each display path in the vbios */
i = -1;
while ((data = dcb_outp_parse(bios, ++i, &ver, &hdr, &dcbE))) {
if (dcbE.type == DCB_OUTPUT_UNUSED)
continue;
if (dcbE.type == DCB_OUTPUT_EOL)
break;
data = dcbE.location << 4 | dcbE.type;
oclass = nvkm_output_oclass;
sclass = impl->outp;
while (sclass && sclass[0]) {
if (sclass[0]->handle == data) {
oclass = sclass[0];
break;
}
sclass++;
}
nouveau_object_ctor(*pobject, *pobject, oclass,
&dcbE, i, &object);
hpd = max(hpd, (u8)(dcbE.connector + 1));
}
ret = nouveau_event_create(3, hpd, &disp->hpd);
if (ret)
return ret;
disp->hpd->priv = disp;
disp->hpd->check = nouveau_disp_hpd_check;
ret = nouveau_event_create(1, heads, &disp->vblank);
if (ret)
return ret;

172
drivers/gpu/drm/nouveau/core/engine/disp/conn.c Normal file
View File

@ -0,0 +1,172 @@
/*
* 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 <subdev/gpio.h>
#include "conn.h"
#include "outp.h"
static void
nvkm_connector_hpd_work(struct work_struct *w)
{
struct nvkm_connector *conn = container_of(w, typeof(*conn), hpd.work);
struct nouveau_disp *disp = nouveau_disp(conn);
struct nouveau_gpio *gpio = nouveau_gpio(conn);
u32 send = NVKM_HPD_UNPLUG;
if (gpio->get(gpio, 0, DCB_GPIO_UNUSED, conn->hpd.event->index))
send = NVKM_HPD_PLUG;
nouveau_event_trigger(disp->hpd, send, conn->index);
nouveau_event_get(conn->hpd.event);
}
static int
nvkm_connector_hpd(void *data, u32 type, int index)
{
struct nvkm_connector *conn = data;
DBG("HPD: %d\n", type);
schedule_work(&conn->hpd.work);
return NVKM_EVENT_DROP;
}
int
_nvkm_connector_fini(struct nouveau_object *object, bool suspend)
{
struct nvkm_connector *conn = (void *)object;
if (conn->hpd.event)
nouveau_event_put(conn->hpd.event);
return nouveau_object_fini(&conn->base, suspend);
}
int
_nvkm_connector_init(struct nouveau_object *object)
{
struct nvkm_connector *conn = (void *)object;
int ret = nouveau_object_init(&conn->base);
if (ret == 0) {
if (conn->hpd.event)
nouveau_event_get(conn->hpd.event);
}
return ret;
}
void
_nvkm_connector_dtor(struct nouveau_object *object)
{
struct nvkm_connector *conn = (void *)object;
nouveau_event_ref(NULL, &conn->hpd.event);
nouveau_object_destroy(&conn->base);
}
int
nvkm_connector_create_(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass,
struct nvbios_connE *info, int index,
int length, void **pobject)
{
static const u8 hpd[] = { 0x07, 0x08, 0x51, 0x52, 0x5e, 0x5f, 0x60 };
struct nouveau_gpio *gpio = nouveau_gpio(parent);
struct nouveau_disp *disp = (void *)engine;
struct nvkm_connector *conn;
struct nvkm_output *outp;
struct dcb_gpio_func func;
int ret;
list_for_each_entry(outp, &disp->outp, head) {
if (outp->conn && outp->conn->index == index) {
atomic_inc(&nv_object(outp->conn)->refcount);
*pobject = outp->conn;
return 1;
}
}
ret = nouveau_object_create_(parent, engine, oclass, 0, length, pobject);
conn = *pobject;
if (ret)
return ret;
conn->info = *info;
conn->index = index;
DBG("type %02x loc %d hpd %02x dp %x di %x sr %x lcdid %x\n",
info->type, info->location, info->hpd, info->dp,
info->di, info->sr, info->lcdid);
if ((info->hpd = ffs(info->hpd))) {
if (--info->hpd >= ARRAY_SIZE(hpd)) {
ERR("hpd %02x unknown\n", info->hpd);
goto done;
}
info->hpd = hpd[info->hpd];
ret = gpio->find(gpio, 0, info->hpd, DCB_GPIO_UNUSED, &func);
if (ret) {
ERR("func %02x lookup failed, %d\n", info->hpd, ret);
goto done;
}
ret = nouveau_event_new(gpio->events, NVKM_GPIO_TOGGLED,
func.line, nvkm_connector_hpd,
conn, &conn->hpd.event);
if (ret) {
ERR("func %02x failed, %d\n", info->hpd, ret);
} else {
DBG("func %02x (HPD)\n", info->hpd);
}
}
done:
INIT_WORK(&conn->hpd.work, nvkm_connector_hpd_work);
return 0;
}
int
_nvkm_connector_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *info, u32 index,
struct nouveau_object **pobject)
{
struct nvkm_connector *conn;
int ret;
ret = nvkm_connector_create(parent, engine, oclass, info, index, &conn);
*pobject = nv_object(conn);
if (ret)
return ret;
return 0;
}
struct nouveau_oclass *
nvkm_connector_oclass = &(struct nvkm_connector_impl) {
.base = {
.handle = 0,
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = _nvkm_connector_ctor,
.dtor = _nvkm_connector_dtor,
.init = _nvkm_connector_init,
.fini = _nvkm_connector_fini,
},
},
}.base;

59
drivers/gpu/drm/nouveau/core/engine/disp/conn.h Normal file
View File

@ -0,0 +1,59 @@
#ifndef __NVKM_DISP_CONN_H__
#define __NVKM_DISP_CONN_H__
#include "priv.h"
struct nvkm_connector {
struct nouveau_object base;
struct list_head head;
struct nvbios_connE info;
int index;
struct {
struct nouveau_eventh *event;
struct work_struct work;
} hpd;
};
#define nvkm_connector_create(p,e,c,b,i,d) \
nvkm_connector_create_((p), (e), (c), (b), (i), sizeof(**d), (void **)d)
#define nvkm_connector_destroy(d) ({ \
struct nvkm_connector *disp = (d); \
_nvkm_connector_dtor(nv_object(disp)); \
})
#define nvkm_connector_init(d) ({ \
struct nvkm_connector *disp = (d); \
_nvkm_connector_init(nv_object(disp)); \
})
#define nvkm_connector_fini(d,s) ({ \
struct nvkm_connector *disp = (d); \
_nvkm_connector_fini(nv_object(disp), (s)); \
})
int nvkm_connector_create_(struct nouveau_object *, struct nouveau_object *,
struct nouveau_oclass *, struct nvbios_connE *,
int, int, void **);
int _nvkm_connector_ctor(struct nouveau_object *, struct nouveau_object *,
struct nouveau_oclass *, void *, u32,
struct nouveau_object **);
void _nvkm_connector_dtor(struct nouveau_object *);
int _nvkm_connector_init(struct nouveau_object *);
int _nvkm_connector_fini(struct nouveau_object *, bool);
struct nvkm_connector_impl {
struct nouveau_oclass base;
};
#ifndef MSG
#define MSG(l,f,a...) do { \
struct nvkm_connector *_conn = (void *)conn; \
nv_##l(nv_object(conn)->engine, "%02x:%02x%02x: "f, _conn->index, \
_conn->info.location, _conn->info.type, ##a); \
} while(0)
#define DBG(f,a...) MSG(debug, f, ##a)
#define ERR(f,a...) MSG(error, f, ##a)
#endif
#endif

1
drivers/gpu/drm/nouveau/core/engine/disp/nv50.h
View File

@ -11,6 +11,7 @@
#include "dport.h"
#include "priv.h"
#include "outp.h"
struct nv50_disp_impl {
struct nouveau_disp_impl base;

137
drivers/gpu/drm/nouveau/core/engine/disp/outp.c Normal file
View File

@ -0,0 +1,137 @@
/*
* 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 <subdev/i2c.h>
#include <subdev/bios.h>
#include <subdev/bios/conn.h>
#include "outp.h"
int
_nvkm_output_fini(struct nouveau_object *object, bool suspend)
{
struct nvkm_output *outp = (void *)object;
nv_ofuncs(outp->conn)->fini(nv_object(outp->conn), suspend);
return nouveau_object_fini(&outp->base, suspend);
}
int
_nvkm_output_init(struct nouveau_object *object)
{
struct nvkm_output *outp = (void *)object;
int ret = nouveau_object_init(&outp->base);
if (ret == 0)
nv_ofuncs(outp->conn)->init(nv_object(outp->conn));
return 0;
}
void
_nvkm_output_dtor(struct nouveau_object *object)
{
struct nvkm_output *outp = (void *)object;
list_del(&outp->head);
nouveau_object_ref(NULL, (void *)&outp->conn);
nouveau_object_destroy(&outp->base);
}
int
nvkm_output_create_(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass,
struct dcb_output *dcbE, int index,
int length, void **pobject)
{
struct nouveau_bios *bios = nouveau_bios(engine);
struct nouveau_i2c *i2c = nouveau_i2c(parent);
struct nouveau_disp *disp = (void *)engine;
struct nvbios_connE connE;
struct nvkm_output *outp;
u8 ver, hdr;
u32 data;
int ret;
ret = nouveau_object_create_(parent, engine, oclass, 0, length, pobject);
outp = *pobject;
if (ret)
return ret;
outp->info = *dcbE;
outp->index = index;
DBG("type %02x loc %d or %d link %d con %x edid %x bus %d head %x\n",
dcbE->type, dcbE->location, dcbE->or, dcbE->type >= 2 ?
dcbE->sorconf.link : 0, dcbE->connector, dcbE->i2c_index,
dcbE->bus, dcbE->heads);
outp->port = i2c->find(i2c, outp->info.i2c_index);
outp->edid = outp->port;
data = nvbios_connEp(bios, outp->info.connector, &ver, &hdr, &connE);
if (!data) {
DBG("vbios connector data not found\n");
memset(&connE, 0x00, sizeof(connE));
connE.type = DCB_CONNECTOR_NONE;
}
ret = nouveau_object_ctor(parent, engine, nvkm_connector_oclass,
&connE, outp->info.connector,
(struct nouveau_object **)&outp->conn);
if (ret < 0) {
ERR("error %d creating connector, disabling\n", ret);
return ret;
}
list_add_tail(&outp->head, &disp->outp);
return 0;
}
int
_nvkm_output_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *dcbE, u32 index,
struct nouveau_object **pobject)
{
struct nvkm_output *outp;
int ret;
ret = nvkm_output_create(parent, engine, oclass, dcbE, index, &outp);
*pobject = nv_object(outp);
if (ret)
return ret;
return 0;
}
struct nouveau_oclass *
nvkm_output_oclass = &(struct nvkm_output_impl) {
.base = {
.handle = 0,
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = _nvkm_output_ctor,
.dtor = _nvkm_output_dtor,
.init = _nvkm_output_init,
.fini = _nvkm_output_fini,
},
},
}.base;

59
drivers/gpu/drm/nouveau/core/engine/disp/outp.h Normal file
View File

@ -0,0 +1,59 @@
#ifndef __NVKM_DISP_OUTP_H__
#define __NVKM_DISP_OUTP_H__
#include "priv.h"
struct nvkm_output {
struct nouveau_object base;
struct list_head head;
struct dcb_output info;
int index;
struct nouveau_i2c_port *port;
struct nouveau_i2c_port *edid;
struct nvkm_connector *conn;
};
#define nvkm_output_create(p,e,c,b,i,d) \
nvkm_output_create_((p), (e), (c), (b), (i), sizeof(**d), (void **)d)
#define nvkm_output_destroy(d) ({ \
struct nvkm_output *_outp = (d); \
_nvkm_output_dtor(nv_object(_outp)); \
})
#define nvkm_output_init(d) ({ \
struct nvkm_output *_outp = (d); \
_nvkm_output_init(nv_object(_outp)); \
})
#define nvkm_output_fini(d,s) ({ \
struct nvkm_output *_outp = (d); \
_nvkm_output_fini(nv_object(_outp), (s)); \
})
int nvkm_output_create_(struct nouveau_object *, struct nouveau_object *,
struct nouveau_oclass *, struct dcb_output *,
int, int, void **);
int _nvkm_output_ctor(struct nouveau_object *, struct nouveau_object *,
struct nouveau_oclass *, void *, u32,
struct nouveau_object **);
void _nvkm_output_dtor(struct nouveau_object *);
int _nvkm_output_init(struct nouveau_object *);
int _nvkm_output_fini(struct nouveau_object *, bool);
struct nvkm_output_impl {
struct nouveau_oclass base;
};
#ifndef MSG
#define MSG(l,f,a...) do { \
struct nvkm_output *_outp = (void *)outp; \
nv_##l(nv_object(outp)->engine, "%02x:%04x:%04x: "f, _outp->index, \
_outp->info.hasht, _outp->info.hashm, ##a); \
} while(0)
#define DBG(f,a...) MSG(debug, f, ##a)
#define ERR(f,a...) MSG(error, f, ##a)
#endif
#endif

66
drivers/gpu/drm/nouveau/core/engine/disp/piornv50.c
View File

@ -32,9 +32,44 @@
#include "nv50.h"
/******************************************************************************
* TMDS
*****************************************************************************/
static int
nv50_pior_tmds_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *info, u32 index,
struct nouveau_object **pobject)
{
struct nouveau_i2c *i2c = nouveau_i2c(parent);
struct nvkm_output *outp;
int ret;
ret = nvkm_output_create(parent, engine, oclass, info, index, &outp);
*pobject = nv_object(outp);
if (ret)
return ret;
outp->edid = i2c->find_type(i2c, NV_I2C_TYPE_EXTDDC(outp->info.extdev));
return 0;
}
struct nvkm_output_impl
nv50_pior_tmds_impl = {
.base.handle = DCB_OUTPUT_TMDS | 0x0100,
.base.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv50_pior_tmds_ctor,
.dtor = _nvkm_output_dtor,
.init = _nvkm_output_init,
.fini = _nvkm_output_fini,
},
};
/******************************************************************************
* DisplayPort
*****************************************************************************/
static struct nouveau_i2c_port *
nv50_pior_dp_find(struct nouveau_disp *disp, struct dcb_output *outp)
{
@ -99,9 +134,40 @@ nv50_pior_dp_func = {
.drv_ctl = nv50_pior_dp_drv_ctl,
};
static int
nv50_pior_dp_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *info, u32 index,
struct nouveau_object **pobject)
{
struct nouveau_i2c *i2c = nouveau_i2c(parent);
struct nvkm_output *outp;
int ret;
ret = nvkm_output_create(parent, engine, oclass, info, index, &outp);
*pobject = nv_object(outp);
if (ret)
return ret;
outp->edid = i2c->find_type(i2c, NV_I2C_TYPE_EXTAUX(outp->info.extdev));
return 0;
}
struct nvkm_output_impl
nv50_pior_dp_impl = {
.base.handle = DCB_OUTPUT_DP | 0x0100,
.base.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv50_pior_dp_ctor,
.dtor = _nvkm_output_dtor,
.init = _nvkm_output_init,
.fini = _nvkm_output_fini,
},
};
/******************************************************************************
* General PIOR handling
*****************************************************************************/
int
nv50_pior_power(struct nv50_disp_priv *priv, int or, u32 data)
{

9
drivers/gpu/drm/nouveau/core/engine/disp/priv.h
View File

@ -1,10 +1,16 @@
#ifndef __NVKM_DISP_PRIV_H__
#define __NVKM_DISP_PRIV_H__
#include <subdev/bios.h>
#include <subdev/bios/dcb.h>
#include <subdev/bios/conn.h>
#include <engine/disp.h>
struct nouveau_disp_impl {
struct nouveau_oclass base;
struct nouveau_oclass **outp;
struct nouveau_oclass **conn;
};
#define nouveau_disp_create(p,e,c,h,i,x,d) \
@ -30,4 +36,7 @@ void _nouveau_disp_dtor(struct nouveau_object *);
int _nouveau_disp_init(struct nouveau_object *);
int _nouveau_disp_fini(struct nouveau_object *, bool);
extern struct nouveau_oclass *nvkm_output_oclass;
extern struct nouveau_oclass *nvkm_connector_oclass;
#endif

11
drivers/gpu/drm/nouveau/core/include/engine/disp.h
View File

@ -6,8 +6,19 @@
#include <core/device.h>
#include <core/event.h>
enum nvkm_hpd_event {
NVKM_HPD_PLUG = 1,
NVKM_HPD_UNPLUG = 2,
NVKM_HPD_IRQ = 4,
NVKM_HPD = (NVKM_HPD_PLUG | NVKM_HPD_UNPLUG | NVKM_HPD_IRQ)
};
struct nouveau_disp {
struct nouveau_engine base;
struct list_head outp;
struct nouveau_event *hpd;
struct nouveau_event *vblank;
};