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drm/nvd0/disp: move link training helpers into core as display methods

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-11-07 16:43:00 +10:00
parent fb445b3c23
commit 6c5a04249d
9 changed files with 295 additions and 84 deletions
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2
drivers/gpu/drm/nouveau/Makefile
View File

@ -137,6 +137,8 @@ nouveau-y += core/engine/disp/nva0.o
nouveau-y += core/engine/disp/nva3.o
nouveau-y += core/engine/disp/nvd0.o
nouveau-y += core/engine/disp/nve0.o
nouveau-y += core/engine/disp/sornv50.o
nouveau-y += core/engine/disp/sornvd0.o
nouveau-y += core/engine/disp/vga.o
nouveau-y += core/engine/fifo/base.o
nouveau-y += core/engine/fifo/nv04.o

24
drivers/gpu/drm/nouveau/core/engine/disp/nv50.h
View File

@ -8,6 +8,8 @@
#include <engine/dmaobj.h>
#include <engine/disp.h>
struct dcb_output;
struct nv50_disp_priv {
struct nouveau_disp base;
struct nouveau_oclass *sclass;
@ -19,9 +21,31 @@ struct nv50_disp_priv {
} dac;
struct {
int nr;
int (*dp_train)(struct nv50_disp_priv *, int sor, int link,
u16 type, u16 mask, u32 data,
struct dcb_output *);
int (*dp_lnkctl)(struct nv50_disp_priv *, int sor, int link,
int head, u16 type, u16 mask, u32 data,
struct dcb_output *);
int (*dp_drvctl)(struct nv50_disp_priv *, int sor, int link,
int lane, u16 type, u16 mask, u32 data,
struct dcb_output *);
} sor;
};
extern struct nouveau_omthds nva3_disp_base_omthds[];
#define SOR_MTHD(n) (n), (n) + 0x3f
int nv50_sor_mthd(struct nouveau_object *, u32, void *, u32);
int nvd0_sor_dp_train(struct nv50_disp_priv *, int, int, u16, u16, u32,
struct dcb_output *);
int nvd0_sor_dp_lnkctl(struct nv50_disp_priv *, int, int, int, u16, u16, u32,
struct dcb_output *);
int nvd0_sor_dp_drvctl(struct nv50_disp_priv *, int, int, int, u16, u16, u32,
struct dcb_output *);
struct nv50_disp_base {
struct nouveau_parent base;
struct nouveau_ramht *ramht;

11
drivers/gpu/drm/nouveau/core/engine/disp/nva3.c
View File

@ -39,6 +39,17 @@ nva3_disp_sclass[] = {
{}
};
struct nouveau_omthds
nva3_disp_base_omthds[] = {
{ SOR_MTHD(NV94_DISP_SOR_DP_TRAIN) , nv50_sor_mthd },
{ SOR_MTHD(NV94_DISP_SOR_DP_LNKCTL) , nv50_sor_mthd },
{ SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(0)), nv50_sor_mthd },
{ SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(1)), nv50_sor_mthd },
{ SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(2)), nv50_sor_mthd },
{ SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(3)), nv50_sor_mthd },
{},
};
static struct nouveau_oclass
nva3_disp_base_oclass[] = {
{ NVA3_DISP_CLASS, &nv50_disp_base_ofuncs },

5
drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
View File

@ -552,7 +552,7 @@ nvd0_disp_base_ofuncs = {
static struct nouveau_oclass
nvd0_disp_base_oclass[] = {
{ NVD0_DISP_CLASS, &nvd0_disp_base_ofuncs },
{ NVD0_DISP_CLASS, &nvd0_disp_base_ofuncs, nva3_disp_base_omthds },
{}
};
@ -896,6 +896,9 @@ nvd0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
priv->head.nr = nv_rd32(priv, 0x022448);
priv->dac.nr = 3;
priv->sor.nr = 4;
priv->sor.dp_train = nvd0_sor_dp_train;
priv->sor.dp_lnkctl = nvd0_sor_dp_lnkctl;
priv->sor.dp_drvctl = nvd0_sor_dp_drvctl;
INIT_LIST_HEAD(&priv->base.vblank.list);
spin_lock_init(&priv->base.vblank.lock);

5
drivers/gpu/drm/nouveau/core/engine/disp/nve0.c
View File

@ -41,7 +41,7 @@ nve0_disp_sclass[] = {
static struct nouveau_oclass
nve0_disp_base_oclass[] = {
{ NVE0_DISP_CLASS, &nvd0_disp_base_ofuncs },
{ NVE0_DISP_CLASS, &nvd0_disp_base_ofuncs, nva3_disp_base_omthds },
{}
};
@ -66,6 +66,9 @@ nve0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
priv->head.nr = nv_rd32(priv, 0x022448);
priv->dac.nr = 3;
priv->sor.nr = 4;
priv->sor.dp_train = nvd0_sor_dp_train;
priv->sor.dp_lnkctl = nvd0_sor_dp_lnkctl;
priv->sor.dp_drvctl = nvd0_sor_dp_drvctl;
INIT_LIST_HEAD(&priv->base.vblank.list);
spin_lock_init(&priv->base.vblank.lock);

93
drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c Normal file
View File

@ -0,0 +1,93 @@
/*
* 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 <core/os.h>
#include <core/class.h>
#include <subdev/bios.h>
#include <subdev/bios/dcb.h>
#include "nv50.h"
int
nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size)
{
struct nv50_disp_priv *priv = (void *)object->engine;
struct nouveau_bios *bios = nouveau_bios(priv);
const u16 type = (mthd & NV50_DISP_SOR_MTHD_TYPE) >> 12;
const u8 head = (mthd & NV50_DISP_SOR_MTHD_HEAD) >> 3;
const u8 link = (mthd & NV50_DISP_SOR_MTHD_LINK) >> 2;
const u8 or = (mthd & NV50_DISP_SOR_MTHD_OR);
const u16 mask = (0x0100 << head) | (0x0040 << link) | (0x0001 << or);
struct dcb_output outp = {
.type = type,
.or = (1 << or),
.sorconf.link = (1 << link),
};
u8 ver, hdr, idx = 0;
u32 data;
int ret = -EINVAL;
if (size < sizeof(u32))
return -EINVAL;
while (type && (data = dcb_outp(bios, idx++, &ver, &hdr))) {
u32 conn = nv_ro32(bios, data + 0);
u32 conf = nv_ro32(bios, data + 4);
if ((conn & 0x00300000) ||
(conn & 0x0000000f) != type ||
(conn & 0x0f000000) != (0x01000000 << or))
continue;
if ( (mask & 0x00c0) && (mask & 0x00c0) !=
((mask & 0x00c0) & ((conf & 0x00000030) << 2)))
continue;
outp.connector = (conn & 0x0000f000) >> 12;
}
if (data == 0x0000)
return -ENODEV;
data = *(u32 *)args;
switch (mthd & ~0x3f) {
case NV94_DISP_SOR_DP_TRAIN:
ret = priv->sor.dp_train(priv, or, link, type, mask, data, &outp);
break;
case NV94_DISP_SOR_DP_LNKCTL:
ret = priv->sor.dp_lnkctl(priv, or, link, head, type, mask, data, &outp);
break;
case NV94_DISP_SOR_DP_DRVCTL(0):
case NV94_DISP_SOR_DP_DRVCTL(1):
case NV94_DISP_SOR_DP_DRVCTL(2):
case NV94_DISP_SOR_DP_DRVCTL(3):
ret = priv->sor.dp_drvctl(priv, or, link, (mthd & 0xc0) >> 6,
type, mask, data, &outp);
break;
default:
BUG_ON(1);
}
return ret;
}

126
drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c Normal file
View File

@ -0,0 +1,126 @@
/*
* 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 <core/os.h>
#include <core/class.h>
#include <subdev/bios.h>
#include <subdev/bios/dcb.h>
#include <subdev/bios/dp.h>
#include <subdev/bios/init.h>
#include "nv50.h"
static inline u32
nvd0_sor_dp_lane_map(struct nv50_disp_priv *priv, u8 lane)
{
static const u8 nvd0[] = { 16, 8, 0, 24 };
return nvd0[lane];
}
int
nvd0_sor_dp_train(struct nv50_disp_priv *priv, int or, int link,
u16 type, u16 mask, u32 data, struct dcb_output *info)
{
const u32 loff = (or * 0x800) + (link * 0x80);
const u32 patt = (data & NV94_DISP_SOR_DP_TRAIN_PATTERN);
nv_mask(priv, 0x61c110 + loff, 0x0f0f0f0f, 0x01010101 * patt);
return 0;
}
int
nvd0_sor_dp_lnkctl(struct nv50_disp_priv *priv, int or, int link, int head,
u16 type, u16 mask, u32 data, struct dcb_output *dcbo)
{
struct nouveau_bios *bios = nouveau_bios(priv);
const u32 loff = (or * 0x800) + (link * 0x80);
const u32 soff = (or * 0x800);
const u8 link_bw = (data & NV94_DISP_SOR_DP_LNKCTL_WIDTH) >> 8;
const u8 link_nr = (data & NV94_DISP_SOR_DP_LNKCTL_COUNT);
u32 dpctrl = 0x00000000;
u32 clksor = 0x00000000;
u32 outp, lane = 0;
u8 ver, hdr, cnt, len;
struct nvbios_dpout info;
int i;
outp = nvbios_dpout_match(bios, type, mask, &ver, &hdr, &cnt, &len, &info);
if (outp && info.lnkcmp) {
struct nvbios_init init = {
.subdev = nv_subdev(priv),
.bios = bios,
.offset = 0x0000,
.outp = dcbo,
.crtc = head,
.execute = 1,
};
while (nv_ro08(bios, info.lnkcmp) < link_bw)
info.lnkcmp += 3;
init.offset = nv_ro16(bios, info.lnkcmp + 1);
nvbios_exec(&init);
}
clksor |= link_bw << 18;
dpctrl |= ((1 << link_nr) - 1) << 16;
if (data & NV94_DISP_SOR_DP_LNKCTL_FRAME_ENH)
dpctrl |= 0x00004000;
for (i = 0; i < link_nr; i++)
lane |= 1 << (nvd0_sor_dp_lane_map(priv, i) >> 3);
nv_mask(priv, 0x612300 + soff, 0x007c0000, clksor);
nv_mask(priv, 0x61c10c + loff, 0x001f4000, dpctrl);
nv_mask(priv, 0x61c130 + loff, 0x0000000f, lane);
return 0;
}
int
nvd0_sor_dp_drvctl(struct nv50_disp_priv *priv, int or, int link, int lane,
u16 type, u16 mask, u32 data, struct dcb_output *dcbo)
{
struct nouveau_bios *bios = nouveau_bios(priv);
const u32 loff = (or * 0x800) + (link * 0x80);
const u8 swing = (data & NV94_DISP_SOR_DP_DRVCTL_VS) >> 8;
const u8 preem = (data & NV94_DISP_SOR_DP_DRVCTL_PE);
u32 addr, shift = nvd0_sor_dp_lane_map(priv, lane);
u8 ver, hdr, cnt, len;
struct nvbios_dpout outp;
struct nvbios_dpcfg ocfg;
addr = nvbios_dpout_match(bios, type, mask, &ver, &hdr, &cnt, &len, &outp);
if (!addr)
return -ENODEV;
addr = nvbios_dpcfg_match(bios, addr, 0, swing, preem, &ver, &hdr, &cnt, &len, &ocfg);
if (!addr)
return -EINVAL;
nv_mask(priv, 0x61c118 + loff, 0x000000ff << shift, ocfg.drv << shift);
nv_mask(priv, 0x61c120 + loff, 0x000000ff << shift, ocfg.pre << shift);
nv_mask(priv, 0x61c130 + loff, 0x0000ff00, ocfg.unk << 8);
nv_mask(priv, 0x61c13c + loff, 0x00000000, 0x00000000);
return 0;
}

19
drivers/gpu/drm/nouveau/core/include/core/class.h
View File

@ -171,6 +171,25 @@ struct nve0_channel_ind_class {
#define NVD0_DISP_CLASS 0x00009070
#define NVE0_DISP_CLASS 0x00009170
#define NV50_DISP_SOR_MTHD 0x00010000
#define NV50_DISP_SOR_MTHD_TYPE 0x0000f000
#define NV50_DISP_SOR_MTHD_HEAD 0x00000018
#define NV50_DISP_SOR_MTHD_LINK 0x00000004
#define NV50_DISP_SOR_MTHD_OR 0x00000003
#define NV94_DISP_SOR_DP_TRAIN 0x00016000
#define NV94_DISP_SOR_DP_TRAIN_PATTERN 0x00000003
#define NV94_DISP_SOR_DP_TRAIN_PATTERN_DISABLED 0x00000000
#define NV94_DISP_SOR_DP_LNKCTL 0x00016040
#define NV94_DISP_SOR_DP_LNKCTL_FRAME 0x80000000
#define NV94_DISP_SOR_DP_LNKCTL_FRAME_STD 0x00000000
#define NV94_DISP_SOR_DP_LNKCTL_FRAME_ENH 0x80000000
#define NV94_DISP_SOR_DP_LNKCTL_WIDTH 0x00001f00
#define NV94_DISP_SOR_DP_LNKCTL_COUNT 0x00000007
#define NV94_DISP_SOR_DP_DRVCTL(l) ((l) * 0x40 + 0x00016100)
#define NV94_DISP_SOR_DP_DRVCTL_VS 0x00000300
#define NV94_DISP_SOR_DP_DRVCTL_PE 0x00000003
struct nv50_display_class {
};

94
drivers/gpu/drm/nouveau/nvd0_display.c
View File

@ -1350,107 +1350,37 @@ nvd0_hdmi_disconnect(struct drm_encoder *encoder)
/******************************************************************************
* SOR
*****************************************************************************/
static inline u32
nvd0_sor_dp_lane_map(struct drm_device *dev, struct dcb_output *dcb, u8 lane)
{
static const u8 nvd0[] = { 16, 8, 0, 24 };
return nvd0[lane];
}
static void
nvd0_sor_dp_train_set(struct drm_device *dev, struct dcb_output *dcb, u8 pattern)
{
struct nouveau_device *device = nouveau_dev(dev);
struct nvd0_disp *disp = nvd0_disp(dev);
const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1);
const u32 loff = (or * 0x800) + (link * 0x80);
nv_mask(device, 0x61c110 + loff, 0x0f0f0f0f, 0x01010101 * pattern);
const u32 moff = (link << 2) | or;
nv_call(disp->core, NV94_DISP_SOR_DP_TRAIN + moff, pattern);
}
static void
nvd0_sor_dp_train_adj(struct drm_device *dev, struct dcb_output *dcb,
u8 lane, u8 swing, u8 preem)
{
struct nouveau_device *device = nouveau_dev(dev);
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvd0_disp *disp = nvd0_disp(dev);
const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1);
const u32 loff = (or * 0x800) + (link * 0x80);
u32 shift = nvd0_sor_dp_lane_map(dev, dcb, lane);
u32 mask = 0x000000ff << shift;
u8 *table, *entry, *config = NULL;
switch (swing) {
case 0: preem += 0; break;
case 1: preem += 4; break;
case 2: preem += 7; break;
case 3: preem += 9; break;
}
table = nouveau_dp_bios_data(dev, dcb, &entry);
if (table) {
if (table[0] == 0x30) {
config = entry + table[4];
config += table[5] * preem;
} else
if (table[0] == 0x40) {
config = table + table[1];
config += table[2] * table[3];
config += table[6] * preem;
}
}
if (!config) {
NV_ERROR(drm, "PDISP: unsupported DP table for chipset\n");
return;
}
nv_mask(device, 0x61c118 + loff, mask, config[1] << shift);
nv_mask(device, 0x61c120 + loff, mask, config[2] << shift);
nv_mask(device, 0x61c130 + loff, 0x0000ff00, config[3] << 8);
nv_mask(device, 0x61c13c + loff, 0x00000000, 0x00000000);
const u32 moff = (link << 2) | or;
const u32 data = (swing << 8) | preem;
nv_call(disp->core, NV94_DISP_SOR_DP_DRVCTL(lane) + moff, data);
}
static void
nvd0_sor_dp_link_set(struct drm_device *dev, struct dcb_output *dcb, int crtc,
int link_nr, u32 link_bw, bool enhframe)
{
struct nouveau_device *device = nouveau_dev(dev);
struct nvd0_disp *disp = nvd0_disp(dev);
const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1);
const u32 loff = (or * 0x800) + (link * 0x80);
const u32 soff = (or * 0x800);
u32 dpctrl = nv_rd32(device, 0x61c10c + loff) & ~0x001f4000;
u32 clksor = nv_rd32(device, 0x612300 + soff) & ~0x007c0000;
u32 script = 0x0000, lane_mask = 0;
u8 *table, *entry;
int i;
link_bw /= 27000;
table = nouveau_dp_bios_data(dev, dcb, &entry);
if (table) {
if (table[0] == 0x30) entry = ROMPTR(dev, entry[10]);
else if (table[0] == 0x40) entry = ROMPTR(dev, entry[9]);
else entry = NULL;
while (entry) {
if (entry[0] >= link_bw)
break;
entry += 3;
}
nouveau_bios_run_init_table(dev, script, dcb, crtc);
}
clksor |= link_bw << 18;
dpctrl |= ((1 << link_nr) - 1) << 16;
const u32 moff = (crtc << 3) | (link << 2) | or;
u32 data = ((link_bw / 27000) << 8) | link_nr;
if (enhframe)
dpctrl |= 0x00004000;
for (i = 0; i < link_nr; i++)
lane_mask |= 1 << (nvd0_sor_dp_lane_map(dev, dcb, i) >> 3);
nv_wr32(device, 0x612300 + soff, clksor);
nv_wr32(device, 0x61c10c + loff, dpctrl);
nv_mask(device, 0x61c130 + loff, 0x0000000f, lane_mask);
data |= NV94_DISP_SOR_DP_LNKCTL_FRAME_ENH;
nv_call(disp->core, NV94_DISP_SOR_DP_LNKCTL + moff, data);
}
static void