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nest-open-source / nest-guard / 1.0 / linux / 6754b876e4c89285b30ff59800d23e21ce2dbe3f / . / linux / drivers / gpu / drm / nouveau / nv50_display.c
blob: f624c611ddeaf39cb1c46010d7da30e4461c35ad [file] [log] [blame]
/*
* Copyright (C) 2008 Maarten Maathuis.
* All Rights Reserved.
*
* 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 (including the
* next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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.
*
*/
#include "nv50_display.h"
#include "nouveau_crtc.h"
#include "nouveau_encoder.h"
#include "nouveau_connector.h"
#include "nouveau_fb.h"
#include "nouveau_fbcon.h"
#include "nouveau_ramht.h"
#include "drm_crtc_helper.h"
static inline int
nv50_sor_nr(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
if (dev_priv->chipset < 0x90 ||
dev_priv->chipset == 0x92 ||
dev_priv->chipset == 0xa0)
return 2;
return 4;
}
static void
nv50_evo_channel_del(struct nouveau_channel **pchan)
{
struct nouveau_channel *chan = *pchan;
if (!chan)
return;
*pchan = NULL;
nouveau_gpuobj_channel_takedown(chan);
nouveau_bo_unmap(chan->pushbuf_bo);
nouveau_bo_ref(NULL, &chan->pushbuf_bo);
if (chan->user)
iounmap(chan->user);
kfree(chan);
}
static int
nv50_evo_dmaobj_new(struct nouveau_channel *evo, uint32_t class, uint32_t name,
uint32_t tile_flags, uint32_t magic_flags,
uint32_t offset, uint32_t limit)
{
struct drm_nouveau_private *dev_priv = evo->dev->dev_private;
struct drm_device *dev = evo->dev;
struct nouveau_gpuobj *obj = NULL;
int ret;
ret = nouveau_gpuobj_new(dev, evo, 6*4, 32, 0, &obj);
if (ret)
return ret;
obj->engine = NVOBJ_ENGINE_DISPLAY;
nv_wo32(obj, 0, (tile_flags << 22) | (magic_flags << 16) | class);
nv_wo32(obj, 4, limit);
nv_wo32(obj, 8, offset);
nv_wo32(obj, 12, 0x00000000);
nv_wo32(obj, 16, 0x00000000);
if (dev_priv->card_type < NV_C0)
nv_wo32(obj, 20, 0x00010000);
else
nv_wo32(obj, 20, 0x00020000);
dev_priv->engine.instmem.flush(dev);
ret = nouveau_ramht_insert(evo, name, obj);
nouveau_gpuobj_ref(NULL, &obj);
if (ret) {
return ret;
}
return 0;
}
static int
nv50_evo_channel_new(struct drm_device *dev, struct nouveau_channel **pchan)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *ramht = NULL;
struct nouveau_channel *chan;
int ret;
chan = kzalloc(sizeof(struct nouveau_channel), GFP_KERNEL);
if (!chan)
return -ENOMEM;
*pchan = chan;
chan->id = -1;
chan->dev = dev;
chan->user_get = 4;
chan->user_put = 0;
ret = nouveau_gpuobj_new(dev, NULL, 32768, 0x1000,
NVOBJ_FLAG_ZERO_ALLOC, &chan->ramin);
if (ret) {
NV_ERROR(dev, "Error allocating EVO channel memory: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
ret = drm_mm_init(&chan->ramin_heap, 0, 32768);
if (ret) {
NV_ERROR(dev, "Error initialising EVO PRAMIN heap: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
ret = nouveau_gpuobj_new(dev, chan, 4096, 16, 0, &ramht);
if (ret) {
NV_ERROR(dev, "Unable to allocate EVO RAMHT: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
ret = nouveau_ramht_new(dev, ramht, &chan->ramht);
nouveau_gpuobj_ref(NULL, &ramht);
if (ret) {
nv50_evo_channel_del(pchan);
return ret;
}
if (dev_priv->chipset != 0x50) {
ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoFB16, 0x70, 0x19,
0, 0xffffffff);
if (ret) {
nv50_evo_channel_del(pchan);
return ret;
}
ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoFB32, 0x7a, 0x19,
0, 0xffffffff);
if (ret) {
nv50_evo_channel_del(pchan);
return ret;
}
}
ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoVRAM, 0, 0x19,
0, dev_priv->vram_size);
if (ret) {
nv50_evo_channel_del(pchan);
return ret;
}
ret = nouveau_bo_new(dev, NULL, 4096, 0, TTM_PL_FLAG_VRAM, 0, 0,
false, true, &chan->pushbuf_bo);
if (ret == 0)
ret = nouveau_bo_pin(chan->pushbuf_bo, TTM_PL_FLAG_VRAM);
if (ret) {
NV_ERROR(dev, "Error creating EVO DMA push buffer: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
ret = nouveau_bo_map(chan->pushbuf_bo);
if (ret) {
NV_ERROR(dev, "Error mapping EVO DMA push buffer: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
chan->user = ioremap(pci_resource_start(dev->pdev, 0) +
NV50_PDISPLAY_USER(0), PAGE_SIZE);
if (!chan->user) {
NV_ERROR(dev, "Error mapping EVO control regs.\n");
nv50_evo_channel_del(pchan);
return -ENOMEM;
}
return 0;
}
int
nv50_display_early_init(struct drm_device *dev)
{
return 0;
}
void
nv50_display_late_takedown(struct drm_device *dev)
{
}
int
nv50_display_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
struct nouveau_channel *evo = dev_priv->evo;
struct drm_connector *connector;
uint32_t val, ram_amount;
uint64_t start;
int ret, i;
NV_DEBUG_KMS(dev, "\n");
nv_wr32(dev, 0x00610184, nv_rd32(dev, 0x00614004));
/*
* I think the 0x006101XX range is some kind of main control area
* that enables things.
*/
/* CRTC? */
for (i = 0; i < 2; i++) {
val = nv_rd32(dev, 0x00616100 + (i * 0x800));
nv_wr32(dev, 0x00610190 + (i * 0x10), val);
val = nv_rd32(dev, 0x00616104 + (i * 0x800));
nv_wr32(dev, 0x00610194 + (i * 0x10), val);
val = nv_rd32(dev, 0x00616108 + (i * 0x800));
nv_wr32(dev, 0x00610198 + (i * 0x10), val);
val = nv_rd32(dev, 0x0061610c + (i * 0x800));
nv_wr32(dev, 0x0061019c + (i * 0x10), val);
}
/* DAC */
for (i = 0; i < 3; i++) {
val = nv_rd32(dev, 0x0061a000 + (i * 0x800));
nv_wr32(dev, 0x006101d0 + (i * 0x04), val);
}
/* SOR */
for (i = 0; i < nv50_sor_nr(dev); i++) {
val = nv_rd32(dev, 0x0061c000 + (i * 0x800));
nv_wr32(dev, 0x006101e0 + (i * 0x04), val);
}
/* EXT */
for (i = 0; i < 3; i++) {
val = nv_rd32(dev, 0x0061e000 + (i * 0x800));
nv_wr32(dev, 0x006101f0 + (i * 0x04), val);
}
for (i = 0; i < 3; i++) {
nv_wr32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(i), 0x00550000 |
NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING);
nv_wr32(dev, NV50_PDISPLAY_DAC_CLK_CTRL1(i), 0x00000001);
}
/* This used to be in crtc unblank, but seems out of place there. */
nv_wr32(dev, NV50_PDISPLAY_UNK_380, 0);
/* RAM is clamped to 256 MiB. */
ram_amount = dev_priv->vram_size;
NV_DEBUG_KMS(dev, "ram_amount %d\n", ram_amount);
if (ram_amount > 256*1024*1024)
ram_amount = 256*1024*1024;
nv_wr32(dev, NV50_PDISPLAY_RAM_AMOUNT, ram_amount - 1);
nv_wr32(dev, NV50_PDISPLAY_UNK_388, 0x150000);
nv_wr32(dev, NV50_PDISPLAY_UNK_38C, 0);
/* The precise purpose is unknown, i suspect it has something to do
* with text mode.
*/
if (nv_rd32(dev, NV50_PDISPLAY_INTR_1) & 0x100) {
nv_wr32(dev, NV50_PDISPLAY_INTR_1, 0x100);
nv_wr32(dev, 0x006194e8, nv_rd32(dev, 0x006194e8) & ~1);
if (!nv_wait(dev, 0x006194e8, 2, 0)) {
NV_ERROR(dev, "timeout: (0x6194e8 & 2) != 0\n");
NV_ERROR(dev, "0x6194e8 = 0x%08x\n",
nv_rd32(dev, 0x6194e8));
return -EBUSY;
}
}
/* taken from nv bug #12637, attempts to un-wedge the hw if it's
* stuck in some unspecified state
*/
start = ptimer->read(dev);
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x2b00);
while ((val = nv_rd32(dev, NV50_PDISPLAY_CHANNEL_STAT(0))) & 0x1e0000) {
if ((val & 0x9f0000) == 0x20000)
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0),
val | 0x800000);
if ((val & 0x3f0000) == 0x30000)
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0),
val | 0x200000);
if (ptimer->read(dev) - start > 1000000000ULL) {
NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) != 0\n");
NV_ERROR(dev, "0x610200 = 0x%08x\n", val);
return -EBUSY;
}
}
nv_wr32(dev, NV50_PDISPLAY_CTRL_STATE, NV50_PDISPLAY_CTRL_STATE_ENABLE);
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x1000b03);
if (!nv_wait(dev, NV50_PDISPLAY_CHANNEL_STAT(0),
0x40000000, 0x40000000)) {
NV_ERROR(dev, "timeout: (0x610200 & 0x40000000) == 0x40000000\n");
NV_ERROR(dev, "0x610200 = 0x%08x\n",
nv_rd32(dev, NV50_PDISPLAY_CHANNEL_STAT(0)));
return -EBUSY;
}
for (i = 0; i < 2; i++) {
nv_wr32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i), 0x2000);
if (!nv_wait(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i),
NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS, 0)) {
NV_ERROR(dev, "timeout: CURSOR_CTRL2_STATUS == 0\n");
NV_ERROR(dev, "CURSOR_CTRL2 = 0x%08x\n",
nv_rd32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i)));
return -EBUSY;
}
nv_wr32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i),
NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_ON);
if (!nv_wait(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i),
NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS,
NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS_ACTIVE)) {
NV_ERROR(dev, "timeout: "
"CURSOR_CTRL2_STATUS_ACTIVE(%d)\n", i);
NV_ERROR(dev, "CURSOR_CTRL2(%d) = 0x%08x\n", i,
nv_rd32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i)));
return -EBUSY;
}
}
nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9);
/* initialise fifo */
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_DMA_CB(0),
((evo->pushbuf_bo->bo.mem.start << PAGE_SHIFT) >> 8) |
NV50_PDISPLAY_CHANNEL_DMA_CB_LOCATION_VRAM |
NV50_PDISPLAY_CHANNEL_DMA_CB_VALID);
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_UNK2(0), 0x00010000);
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_UNK3(0), 0x00000002);
if (!nv_wait(dev, 0x610200, 0x80000000, 0x00000000)) {
NV_ERROR(dev, "timeout: (0x610200 & 0x80000000) == 0\n");
NV_ERROR(dev, "0x610200 = 0x%08x\n", nv_rd32(dev, 0x610200));
return -EBUSY;
}
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0),
(nv_rd32(dev, NV50_PDISPLAY_CHANNEL_STAT(0)) & ~0x00000003) |
NV50_PDISPLAY_CHANNEL_STAT_DMA_ENABLED);
nv_wr32(dev, NV50_PDISPLAY_USER_PUT(0), 0);
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x01000003 |
NV50_PDISPLAY_CHANNEL_STAT_DMA_ENABLED);
nv_wr32(dev, 0x610300, nv_rd32(dev, 0x610300) & ~1);
evo->dma.max = (4096/4) - 2;
evo->dma.put = 0;
evo->dma.cur = evo->dma.put;
evo->dma.free = evo->dma.max - evo->dma.cur;
ret = RING_SPACE(evo, NOUVEAU_DMA_SKIPS);
if (ret)
return ret;
for (i = 0; i < NOUVEAU_DMA_SKIPS; i++)
OUT_RING(evo, 0);
ret = RING_SPACE(evo, 11);
if (ret)
return ret;
BEGIN_RING(evo, 0, NV50_EVO_UNK84, 2);
OUT_RING(evo, NV50_EVO_UNK84_NOTIFY_DISABLED);
OUT_RING(evo, NV50_EVO_DMA_NOTIFY_HANDLE_NONE);
BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, FB_DMA), 1);
OUT_RING(evo, NV50_EVO_CRTC_FB_DMA_HANDLE_NONE);
BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, UNK0800), 1);
OUT_RING(evo, 0);
BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, DISPLAY_START), 1);
OUT_RING(evo, 0);
BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, UNK082C), 1);
OUT_RING(evo, 0);
FIRE_RING(evo);
if (!nv_wait(dev, 0x640004, 0xffffffff, evo->dma.put << 2))
NV_ERROR(dev, "evo pushbuf stalled\n");
/* enable clock change interrupts. */
nv_wr32(dev, 0x610028, 0x00010001);
nv_wr32(dev, NV50_PDISPLAY_INTR_EN, (NV50_PDISPLAY_INTR_EN_CLK_UNK10 |
NV50_PDISPLAY_INTR_EN_CLK_UNK20 |
NV50_PDISPLAY_INTR_EN_CLK_UNK40));
/* enable hotplug interrupts */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct nouveau_connector *conn = nouveau_connector(connector);
if (conn->dcb->gpio_tag == 0xff)
continue;
pgpio->irq_enable(dev, conn->dcb->gpio_tag, true);
}
return 0;
}
static int nv50_display_disable(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct drm_crtc *drm_crtc;
int ret, i;
NV_DEBUG_KMS(dev, "\n");
list_for_each_entry(drm_crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *crtc = nouveau_crtc(drm_crtc);
nv50_crtc_blank(crtc, true);
}
ret = RING_SPACE(dev_priv->evo, 2);
if (ret == 0) {
BEGIN_RING(dev_priv->evo, 0, NV50_EVO_UPDATE, 1);
OUT_RING(dev_priv->evo, 0);
}
FIRE_RING(dev_priv->evo);
/* Almost like ack'ing a vblank interrupt, maybe in the spirit of
* cleaning up?
*/
list_for_each_entry(drm_crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *crtc = nouveau_crtc(drm_crtc);
uint32_t mask = NV50_PDISPLAY_INTR_1_VBLANK_CRTC_(crtc->index);
if (!crtc->base.enabled)
continue;
nv_wr32(dev, NV50_PDISPLAY_INTR_1, mask);
if (!nv_wait(dev, NV50_PDISPLAY_INTR_1, mask, mask)) {
NV_ERROR(dev, "timeout: (0x610024 & 0x%08x) == "
"0x%08x\n", mask, mask);
NV_ERROR(dev, "0x610024 = 0x%08x\n",
nv_rd32(dev, NV50_PDISPLAY_INTR_1));
}
}
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0);
nv_wr32(dev, NV50_PDISPLAY_CTRL_STATE, 0);
if (!nv_wait(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x1e0000, 0)) {
NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) == 0\n");
NV_ERROR(dev, "0x610200 = 0x%08x\n",
nv_rd32(dev, NV50_PDISPLAY_CHANNEL_STAT(0)));
}
for (i = 0; i < 3; i++) {
if (!nv_wait(dev, NV50_PDISPLAY_SOR_DPMS_STATE(i),
NV50_PDISPLAY_SOR_DPMS_STATE_WAIT, 0)) {
NV_ERROR(dev, "timeout: SOR_DPMS_STATE_WAIT(%d) == 0\n", i);
NV_ERROR(dev, "SOR_DPMS_STATE(%d) = 0x%08x\n", i,
nv_rd32(dev, NV50_PDISPLAY_SOR_DPMS_STATE(i)));
}
}
/* disable interrupts. */
nv_wr32(dev, NV50_PDISPLAY_INTR_EN, 0x00000000);
/* disable hotplug interrupts */
nv_wr32(dev, 0xe054, 0xffffffff);
nv_wr32(dev, 0xe050, 0x00000000);
if (dev_priv->chipset >= 0x90) {
nv_wr32(dev, 0xe074, 0xffffffff);
nv_wr32(dev, 0xe070, 0x00000000);
}
return 0;
}
int nv50_display_create(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct dcb_table *dcb = &dev_priv->vbios.dcb;
struct drm_connector *connector, *ct;
int ret, i;
NV_DEBUG_KMS(dev, "\n");
/* init basic kernel modesetting */
drm_mode_config_init(dev);
/* Initialise some optional connector properties. */
drm_mode_create_scaling_mode_property(dev);
drm_mode_create_dithering_property(dev);
dev->mode_config.min_width = 0;
dev->mode_config.min_height = 0;
dev->mode_config.funcs = (void *)&nouveau_mode_config_funcs;
dev->mode_config.max_width = 8192;
dev->mode_config.max_height = 8192;
dev->mode_config.fb_base = dev_priv->fb_phys;
/* Create EVO channel */
ret = nv50_evo_channel_new(dev, &dev_priv->evo);
if (ret) {
NV_ERROR(dev, "Error creating EVO channel: %d\n", ret);
return ret;
}
/* Create CRTC objects */
for (i = 0; i < 2; i++)
nv50_crtc_create(dev, i);
/* We setup the encoders from the BIOS table */
for (i = 0 ; i < dcb->entries; i++) {
struct dcb_entry *entry = &dcb->entry[i];
if (entry->location != DCB_LOC_ON_CHIP) {
NV_WARN(dev, "Off-chip encoder %d/%d unsupported\n",
entry->type, ffs(entry->or) - 1);
continue;
}
connector = nouveau_connector_create(dev, entry->connector);
if (IS_ERR(connector))
continue;
switch (entry->type) {
case OUTPUT_TMDS:
case OUTPUT_LVDS:
case OUTPUT_DP:
nv50_sor_create(connector, entry);
break;
case OUTPUT_ANALOG:
nv50_dac_create(connector, entry);
break;
default:
NV_WARN(dev, "DCB encoder %d unknown\n", entry->type);
continue;
}
}
list_for_each_entry_safe(connector, ct,
&dev->mode_config.connector_list, head) {
if (!connector->encoder_ids[0]) {
NV_WARN(dev, "%s has no encoders, removing\n",
drm_get_connector_name(connector));
connector->funcs->destroy(connector);
}
}
ret = nv50_display_init(dev);
if (ret) {
nv50_display_destroy(dev);
return ret;
}
return 0;
}
void
nv50_display_destroy(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
NV_DEBUG_KMS(dev, "\n");
drm_mode_config_cleanup(dev);
nv50_display_disable(dev);
nv50_evo_channel_del(&dev_priv->evo);
}
static u16
nv50_display_script_select(struct drm_device *dev, struct dcb_entry *dcb,
u32 mc, int pxclk)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_connector *nv_connector = NULL;
struct drm_encoder *encoder;
struct nvbios *bios = &dev_priv->vbios;
u32 script = 0, or;
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
if (nv_encoder->dcb != dcb)
continue;
nv_connector = nouveau_encoder_connector_get(nv_encoder);
break;
}
or = ffs(dcb->or) - 1;
switch (dcb->type) {
case OUTPUT_LVDS:
script = (mc >> 8) & 0xf;
if (bios->fp_no_ddc) {
if (bios->fp.dual_link)
script |= 0x0100;
if (bios->fp.if_is_24bit)
script |= 0x0200;
} else {
if (pxclk >= bios->fp.duallink_transition_clk) {
script |= 0x0100;
if (bios->fp.strapless_is_24bit & 2)
script |= 0x0200;
} else
if (bios->fp.strapless_is_24bit & 1)
script |= 0x0200;
if (nv_connector && nv_connector->edid &&
(nv_connector->edid->revision >= 4) &&
(nv_connector->edid->input & 0x70) >= 0x20)
script |= 0x0200;
}
if (nouveau_uscript_lvds >= 0) {
NV_INFO(dev, "override script 0x%04x with 0x%04x "
"for output LVDS-%d\n", script,
nouveau_uscript_lvds, or);
script = nouveau_uscript_lvds;
}
break;
case OUTPUT_TMDS:
script = (mc >> 8) & 0xf;
if (pxclk >= 165000)
script |= 0x0100;
if (nouveau_uscript_tmds >= 0) {
NV_INFO(dev, "override script 0x%04x with 0x%04x "
"for output TMDS-%d\n", script,
nouveau_uscript_tmds, or);
script = nouveau_uscript_tmds;
}
break;
case OUTPUT_DP:
script = (mc >> 8) & 0xf;
break;
case OUTPUT_ANALOG:
script = 0xff;
break;
default:
NV_ERROR(dev, "modeset on unsupported output type!\n");
break;
}
return script;
}
static void
nv50_display_vblank_crtc_handler(struct drm_device *dev, int crtc)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan;
struct list_head *entry, *tmp;
list_for_each_safe(entry, tmp, &dev_priv->vbl_waiting) {
chan = list_entry(entry, struct nouveau_channel, nvsw.vbl_wait);
nouveau_bo_wr32(chan->notifier_bo, chan->nvsw.vblsem_offset,
chan->nvsw.vblsem_rval);
list_del(&chan->nvsw.vbl_wait);
}
}
static void
nv50_display_vblank_handler(struct drm_device *dev, uint32_t intr)
{
intr &= NV50_PDISPLAY_INTR_1_VBLANK_CRTC;
if (intr & NV50_PDISPLAY_INTR_1_VBLANK_CRTC_0)
nv50_display_vblank_crtc_handler(dev, 0);
if (intr & NV50_PDISPLAY_INTR_1_VBLANK_CRTC_1)
nv50_display_vblank_crtc_handler(dev, 1);
nv_wr32(dev, NV50_PDISPLAY_INTR_EN, nv_rd32(dev,
NV50_PDISPLAY_INTR_EN) & ~intr);
nv_wr32(dev, NV50_PDISPLAY_INTR_1, intr);
}
static void
nv50_display_unk10_handler(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
u32 unk30 = nv_rd32(dev, 0x610030), mc;
int i, crtc, or, type = OUTPUT_ANY;
NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30);
dev_priv->evo_irq.dcb = NULL;
nv_wr32(dev, 0x619494, nv_rd32(dev, 0x619494) & ~8);
/* Determine which CRTC we're dealing with, only 1 ever will be
* signalled at the same time with the current nouveau code.
*/
crtc = ffs((unk30 & 0x00000060) >> 5) - 1;
if (crtc < 0)
goto ack;
/* Nothing needs to be done for the encoder */
crtc = ffs((unk30 & 0x00000180) >> 7) - 1;
if (crtc < 0)
goto ack;
/* Find which encoder was connected to the CRTC */
for (i = 0; type == OUTPUT_ANY && i < 3; i++) {
mc = nv_rd32(dev, NV50_PDISPLAY_DAC_MODE_CTRL_C(i));
NV_DEBUG_KMS(dev, "DAC-%d mc: 0x%08x\n", i, mc);
if (!(mc & (1 << crtc)))
continue;
switch ((mc & 0x00000f00) >> 8) {
case 0: type = OUTPUT_ANALOG; break;
case 1: type = OUTPUT_TV; break;
default:
NV_ERROR(dev, "invalid mc, DAC-%d: 0x%08x\n", i, mc);
goto ack;
}
or = i;
}
for (i = 0; type == OUTPUT_ANY && i < nv50_sor_nr(dev); i++) {
if (dev_priv->chipset < 0x90 ||
dev_priv->chipset == 0x92 ||
dev_priv->chipset == 0xa0)
mc = nv_rd32(dev, NV50_PDISPLAY_SOR_MODE_CTRL_C(i));
else
mc = nv_rd32(dev, NV90_PDISPLAY_SOR_MODE_CTRL_C(i));
NV_DEBUG_KMS(dev, "SOR-%d mc: 0x%08x\n", i, mc);
if (!(mc & (1 << crtc)))
continue;
switch ((mc & 0x00000f00) >> 8) {
case 0: type = OUTPUT_LVDS; break;
case 1: type = OUTPUT_TMDS; break;
case 2: type = OUTPUT_TMDS; break;
case 5: type = OUTPUT_TMDS; break;
case 8: type = OUTPUT_DP; break;
case 9: type = OUTPUT_DP; break;
default:
NV_ERROR(dev, "invalid mc, SOR-%d: 0x%08x\n", i, mc);
goto ack;
}
or = i;
}
/* There was no encoder to disable */
if (type == OUTPUT_ANY)
goto ack;
/* Disable the encoder */
for (i = 0; i < dev_priv->vbios.dcb.entries; i++) {
struct dcb_entry *dcb = &dev_priv->vbios.dcb.entry[i];
if (dcb->type == type && (dcb->or & (1 << or))) {
nouveau_bios_run_display_table(dev, dcb, 0, -1);
dev_priv->evo_irq.dcb = dcb;
goto ack;
}
}
NV_ERROR(dev, "no dcb for %d %d 0x%08x\n", or, type, mc);
ack:
nv_wr32(dev, NV50_PDISPLAY_INTR_1, NV50_PDISPLAY_INTR_1_CLK_UNK10);
nv_wr32(dev, 0x610030, 0x80000000);
}
static void
nv50_display_unk20_dp_hack(struct drm_device *dev, struct dcb_entry *dcb)
{
int or = ffs(dcb->or) - 1, link = !(dcb->dpconf.sor.link & 1);
struct drm_encoder *encoder;
uint32_t tmp, unk0 = 0, unk1 = 0;
if (dcb->type != OUTPUT_DP)
return;
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
if (nv_encoder->dcb == dcb) {
unk0 = nv_encoder->dp.unk0;
unk1 = nv_encoder->dp.unk1;
break;
}
}
if (unk0 || unk1) {
tmp = nv_rd32(dev, NV50_SOR_DP_CTRL(or, link));
tmp &= 0xfffffe03;
nv_wr32(dev, NV50_SOR_DP_CTRL(or, link), tmp | unk0);
tmp = nv_rd32(dev, NV50_SOR_DP_UNK128(or, link));
tmp &= 0xfef080c0;
nv_wr32(dev, NV50_SOR_DP_UNK128(or, link), tmp | unk1);
}
}
static void
nv50_display_unk20_handler(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
u32 unk30 = nv_rd32(dev, 0x610030), tmp, pclk, script, mc;
struct dcb_entry *dcb;
int i, crtc, or, type = OUTPUT_ANY;
NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30);
dcb = dev_priv->evo_irq.dcb;
if (dcb) {
nouveau_bios_run_display_table(dev, dcb, 0, -2);
dev_priv->evo_irq.dcb = NULL;
}
/* CRTC clock change requested? */
crtc = ffs((unk30 & 0x00000600) >> 9) - 1;
if (crtc >= 0) {
pclk = nv_rd32(dev, NV50_PDISPLAY_CRTC_P(crtc, CLOCK));
pclk &= 0x003fffff;
nv50_crtc_set_clock(dev, crtc, pclk);
tmp = nv_rd32(dev, NV50_PDISPLAY_CRTC_CLK_CTRL2(crtc));
tmp &= ~0x000000f;
nv_wr32(dev, NV50_PDISPLAY_CRTC_CLK_CTRL2(crtc), tmp);
}
/* Nothing needs to be done for the encoder */
crtc = ffs((unk30 & 0x00000180) >> 7) - 1;
if (crtc < 0)
goto ack;
pclk = nv_rd32(dev, NV50_PDISPLAY_CRTC_P(crtc, CLOCK)) & 0x003fffff;
/* Find which encoder is connected to the CRTC */
for (i = 0; type == OUTPUT_ANY && i < 3; i++) {
mc = nv_rd32(dev, NV50_PDISPLAY_DAC_MODE_CTRL_P(i));
NV_DEBUG_KMS(dev, "DAC-%d mc: 0x%08x\n", i, mc);
if (!(mc & (1 << crtc)))
continue;
switch ((mc & 0x00000f00) >> 8) {
case 0: type = OUTPUT_ANALOG; break;
case 1: type = OUTPUT_TV; break;
default:
NV_ERROR(dev, "invalid mc, DAC-%d: 0x%08x\n", i, mc);
goto ack;
}
or = i;
}
for (i = 0; type == OUTPUT_ANY && i < nv50_sor_nr(dev); i++) {
if (dev_priv->chipset < 0x90 ||
dev_priv->chipset == 0x92 ||
dev_priv->chipset == 0xa0)
mc = nv_rd32(dev, NV50_PDISPLAY_SOR_MODE_CTRL_P(i));
else
mc = nv_rd32(dev, NV90_PDISPLAY_SOR_MODE_CTRL_P(i));
NV_DEBUG_KMS(dev, "SOR-%d mc: 0x%08x\n", i, mc);
if (!(mc & (1 << crtc)))
continue;
switch ((mc & 0x00000f00) >> 8) {
case 0: type = OUTPUT_LVDS; break;
case 1: type = OUTPUT_TMDS; break;
case 2: type = OUTPUT_TMDS; break;
case 5: type = OUTPUT_TMDS; break;
case 8: type = OUTPUT_DP; break;
case 9: type = OUTPUT_DP; break;
default:
NV_ERROR(dev, "invalid mc, SOR-%d: 0x%08x\n", i, mc);
goto ack;
}
or = i;
}
if (type == OUTPUT_ANY)
goto ack;
/* Enable the encoder */
for (i = 0; i < dev_priv->vbios.dcb.entries; i++) {
dcb = &dev_priv->vbios.dcb.entry[i];
if (dcb->type == type && (dcb->or & (1 << or)))
break;
}
if (i == dev_priv->vbios.dcb.entries) {
NV_ERROR(dev, "no dcb for %d %d 0x%08x\n", or, type, mc);
goto ack;
}
script = nv50_display_script_select(dev, dcb, mc, pclk);
nouveau_bios_run_display_table(dev, dcb, script, pclk);
nv50_display_unk20_dp_hack(dev, dcb);
if (dcb->type != OUTPUT_ANALOG) {
tmp = nv_rd32(dev, NV50_PDISPLAY_SOR_CLK_CTRL2(or));
tmp &= ~0x00000f0f;
if (script & 0x0100)
tmp |= 0x00000101;
nv_wr32(dev, NV50_PDISPLAY_SOR_CLK_CTRL2(or), tmp);
} else {
nv_wr32(dev, NV50_PDISPLAY_DAC_CLK_CTRL2(or), 0);
}
dev_priv->evo_irq.dcb = dcb;
dev_priv->evo_irq.pclk = pclk;
dev_priv->evo_irq.script = script;
ack:
nv_wr32(dev, NV50_PDISPLAY_INTR_1, NV50_PDISPLAY_INTR_1_CLK_UNK20);
nv_wr32(dev, 0x610030, 0x80000000);
}
/* If programming a TMDS output on a SOR that can also be configured for
* DisplayPort, make sure NV50_SOR_DP_CTRL_ENABLE is forced off.
*
* It looks like the VBIOS TMDS scripts make an attempt at this, however,
* the VBIOS scripts on at least one board I have only switch it off on
* link 0, causing a blank display if the output has previously been
* programmed for DisplayPort.
*/
static void
nv50_display_unk40_dp_set_tmds(struct drm_device *dev, struct dcb_entry *dcb)
{
int or = ffs(dcb->or) - 1, link = !(dcb->dpconf.sor.link & 1);
struct drm_encoder *encoder;
u32 tmp;
if (dcb->type != OUTPUT_TMDS)
return;
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
if (nv_encoder->dcb->type == OUTPUT_DP &&
nv_encoder->dcb->or & (1 << or)) {
tmp = nv_rd32(dev, NV50_SOR_DP_CTRL(or, link));
tmp &= ~NV50_SOR_DP_CTRL_ENABLED;
nv_wr32(dev, NV50_SOR_DP_CTRL(or, link), tmp);
break;
}
}
}
static void
nv50_display_unk40_handler(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct dcb_entry *dcb = dev_priv->evo_irq.dcb;
u16 script = dev_priv->evo_irq.script;
u32 unk30 = nv_rd32(dev, 0x610030), pclk = dev_priv->evo_irq.pclk;
NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30);
dev_priv->evo_irq.dcb = NULL;
if (!dcb)
goto ack;
nouveau_bios_run_display_table(dev, dcb, script, -pclk);
nv50_display_unk40_dp_set_tmds(dev, dcb);
ack:
nv_wr32(dev, NV50_PDISPLAY_INTR_1, NV50_PDISPLAY_INTR_1_CLK_UNK40);
nv_wr32(dev, 0x610030, 0x80000000);
nv_wr32(dev, 0x619494, nv_rd32(dev, 0x619494) | 8);
}
void
nv50_display_irq_handler_bh(struct work_struct *work)
{
struct drm_nouveau_private *dev_priv =
container_of(work, struct drm_nouveau_private, irq_work);
struct drm_device *dev = dev_priv->dev;
for (;;) {
uint32_t intr0 = nv_rd32(dev, NV50_PDISPLAY_INTR_0);
uint32_t intr1 = nv_rd32(dev, NV50_PDISPLAY_INTR_1);
NV_DEBUG_KMS(dev, "PDISPLAY_INTR_BH 0x%08x 0x%08x\n", intr0, intr1);
if (intr1 & NV50_PDISPLAY_INTR_1_CLK_UNK10)
nv50_display_unk10_handler(dev);
else
if (intr1 & NV50_PDISPLAY_INTR_1_CLK_UNK20)
nv50_display_unk20_handler(dev);
else
if (intr1 & NV50_PDISPLAY_INTR_1_CLK_UNK40)
nv50_display_unk40_handler(dev);
else
break;
}
nv_wr32(dev, NV03_PMC_INTR_EN_0, 1);
}
static void
nv50_display_error_handler(struct drm_device *dev)
{
uint32_t addr, data;
nv_wr32(dev, NV50_PDISPLAY_INTR_0, 0x00010000);
addr = nv_rd32(dev, NV50_PDISPLAY_TRAPPED_ADDR);
data = nv_rd32(dev, NV50_PDISPLAY_TRAPPED_DATA);
NV_ERROR(dev, "EvoCh %d Mthd 0x%04x Data 0x%08x (0x%04x 0x%02x)\n",
0, addr & 0xffc, data, addr >> 16, (addr >> 12) & 0xf);
nv_wr32(dev, NV50_PDISPLAY_TRAPPED_ADDR, 0x90000000);
}
void
nv50_display_irq_hotplug_bh(struct work_struct *work)
{
struct drm_nouveau_private *dev_priv =
container_of(work, struct drm_nouveau_private, hpd_work);
struct drm_device *dev = dev_priv->dev;
struct drm_connector *connector;
const uint32_t gpio_reg[4] = { 0xe104, 0xe108, 0xe280, 0xe284 };
uint32_t unplug_mask, plug_mask, change_mask;
uint32_t hpd0, hpd1;
spin_lock_irq(&dev_priv->hpd_state.lock);
hpd0 = dev_priv->hpd_state.hpd0_bits;
dev_priv->hpd_state.hpd0_bits = 0;
hpd1 = dev_priv->hpd_state.hpd1_bits;
dev_priv->hpd_state.hpd1_bits = 0;
spin_unlock_irq(&dev_priv->hpd_state.lock);
hpd0 &= nv_rd32(dev, 0xe050);
if (dev_priv->chipset >= 0x90)
hpd1 &= nv_rd32(dev, 0xe070);
plug_mask = (hpd0 & 0x0000ffff) | (hpd1 << 16);
unplug_mask = (hpd0 >> 16) | (hpd1 & 0xffff0000);
change_mask = plug_mask | unplug_mask;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct drm_encoder_helper_funcs *helper;
struct nouveau_connector *nv_connector =
nouveau_connector(connector);
struct nouveau_encoder *nv_encoder;
struct dcb_gpio_entry *gpio;
uint32_t reg;
bool plugged;
if (!nv_connector->dcb)
continue;
gpio = nouveau_bios_gpio_entry(dev, nv_connector->dcb->gpio_tag);
if (!gpio || !(change_mask & (1 << gpio->line)))
continue;
reg = nv_rd32(dev, gpio_reg[gpio->line >> 3]);
plugged = !!(reg & (4 << ((gpio->line & 7) << 2)));
NV_INFO(dev, "%splugged %s\n", plugged ? "" : "un",
drm_get_connector_name(connector)) ;
if (!connector->encoder || !connector->encoder->crtc ||
!connector->encoder->crtc->enabled)
continue;
nv_encoder = nouveau_encoder(connector->encoder);
helper = connector->encoder->helper_private;
if (nv_encoder->dcb->type != OUTPUT_DP)
continue;
if (plugged)
helper->dpms(connector->encoder, DRM_MODE_DPMS_ON);
else
helper->dpms(connector->encoder, DRM_MODE_DPMS_OFF);
}
drm_helper_hpd_irq_event(dev);
}
void
nv50_display_irq_handler(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t delayed = 0;
if (nv_rd32(dev, NV50_PMC_INTR_0) & NV50_PMC_INTR_0_HOTPLUG) {
uint32_t hpd0_bits, hpd1_bits = 0;
hpd0_bits = nv_rd32(dev, 0xe054);
nv_wr32(dev, 0xe054, hpd0_bits);
if (dev_priv->chipset >= 0x90) {
hpd1_bits = nv_rd32(dev, 0xe074);
nv_wr32(dev, 0xe074, hpd1_bits);
}
spin_lock(&dev_priv->hpd_state.lock);
dev_priv->hpd_state.hpd0_bits |= hpd0_bits;
dev_priv->hpd_state.hpd1_bits |= hpd1_bits;
spin_unlock(&dev_priv->hpd_state.lock);
queue_work(dev_priv->wq, &dev_priv->hpd_work);
}
while (nv_rd32(dev, NV50_PMC_INTR_0) & NV50_PMC_INTR_0_DISPLAY) {
uint32_t intr0 = nv_rd32(dev, NV50_PDISPLAY_INTR_0);
uint32_t intr1 = nv_rd32(dev, NV50_PDISPLAY_INTR_1);
uint32_t clock;
NV_DEBUG_KMS(dev, "PDISPLAY_INTR 0x%08x 0x%08x\n", intr0, intr1);
if (!intr0 && !(intr1 & ~delayed))
break;
if (intr0 & 0x00010000) {
nv50_display_error_handler(dev);
intr0 &= ~0x00010000;
}
if (intr1 & NV50_PDISPLAY_INTR_1_VBLANK_CRTC) {
nv50_display_vblank_handler(dev, intr1);
intr1 &= ~NV50_PDISPLAY_INTR_1_VBLANK_CRTC;
}
clock = (intr1 & (NV50_PDISPLAY_INTR_1_CLK_UNK10 |
NV50_PDISPLAY_INTR_1_CLK_UNK20 |
NV50_PDISPLAY_INTR_1_CLK_UNK40));
if (clock) {
nv_wr32(dev, NV03_PMC_INTR_EN_0, 0);
if (!work_pending(&dev_priv->irq_work))
queue_work(dev_priv->wq, &dev_priv->irq_work);
delayed |= clock;
intr1 &= ~clock;
}
if (intr0) {
NV_ERROR(dev, "unknown PDISPLAY_INTR_0: 0x%08x\n", intr0);
nv_wr32(dev, NV50_PDISPLAY_INTR_0, intr0);
}
if (intr1) {
NV_ERROR(dev,
"unknown PDISPLAY_INTR_1: 0x%08x\n", intr1);
nv_wr32(dev, NV50_PDISPLAY_INTR_1, intr1);
}
}
}