forked from Minki/linux
fce2bad0ee
Allows callers to install their own handlers for when a GPIO line changes state (such as for hotplug detect). This also fixes a bug where we weren't acknowledging the GPIO IRQ until after the bottom half had run, causing a severe IRQ storm in some cases. Reviewed-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
856 lines
23 KiB
C
856 lines
23 KiB
C
/*
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* Copyright (C) 2008 Maarten Maathuis.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "nv50_display.h"
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#include "nouveau_crtc.h"
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#include "nouveau_encoder.h"
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#include "nouveau_connector.h"
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#include "nouveau_fb.h"
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#include "nouveau_fbcon.h"
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#include "nouveau_ramht.h"
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#include "drm_crtc_helper.h"
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static void nv50_display_isr(struct drm_device *);
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static inline int
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nv50_sor_nr(struct drm_device *dev)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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if (dev_priv->chipset < 0x90 ||
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dev_priv->chipset == 0x92 ||
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dev_priv->chipset == 0xa0)
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return 2;
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return 4;
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}
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int
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nv50_display_early_init(struct drm_device *dev)
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{
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return 0;
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}
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void
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nv50_display_late_takedown(struct drm_device *dev)
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{
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}
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int
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nv50_display_init(struct drm_device *dev)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
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struct drm_connector *connector;
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struct nouveau_channel *evo;
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int ret, i;
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u32 val;
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NV_DEBUG_KMS(dev, "\n");
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nv_wr32(dev, 0x00610184, nv_rd32(dev, 0x00614004));
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/*
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* I think the 0x006101XX range is some kind of main control area
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* that enables things.
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*/
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/* CRTC? */
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for (i = 0; i < 2; i++) {
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val = nv_rd32(dev, 0x00616100 + (i * 0x800));
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nv_wr32(dev, 0x00610190 + (i * 0x10), val);
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val = nv_rd32(dev, 0x00616104 + (i * 0x800));
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nv_wr32(dev, 0x00610194 + (i * 0x10), val);
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val = nv_rd32(dev, 0x00616108 + (i * 0x800));
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nv_wr32(dev, 0x00610198 + (i * 0x10), val);
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val = nv_rd32(dev, 0x0061610c + (i * 0x800));
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nv_wr32(dev, 0x0061019c + (i * 0x10), val);
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}
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/* DAC */
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for (i = 0; i < 3; i++) {
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val = nv_rd32(dev, 0x0061a000 + (i * 0x800));
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nv_wr32(dev, 0x006101d0 + (i * 0x04), val);
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}
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/* SOR */
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for (i = 0; i < nv50_sor_nr(dev); i++) {
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val = nv_rd32(dev, 0x0061c000 + (i * 0x800));
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nv_wr32(dev, 0x006101e0 + (i * 0x04), val);
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}
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/* EXT */
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for (i = 0; i < 3; i++) {
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val = nv_rd32(dev, 0x0061e000 + (i * 0x800));
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nv_wr32(dev, 0x006101f0 + (i * 0x04), val);
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}
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for (i = 0; i < 3; i++) {
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nv_wr32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(i), 0x00550000 |
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NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING);
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nv_wr32(dev, NV50_PDISPLAY_DAC_CLK_CTRL1(i), 0x00000001);
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}
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/* The precise purpose is unknown, i suspect it has something to do
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* with text mode.
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*/
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if (nv_rd32(dev, NV50_PDISPLAY_INTR_1) & 0x100) {
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nv_wr32(dev, NV50_PDISPLAY_INTR_1, 0x100);
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nv_wr32(dev, 0x006194e8, nv_rd32(dev, 0x006194e8) & ~1);
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if (!nv_wait(dev, 0x006194e8, 2, 0)) {
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NV_ERROR(dev, "timeout: (0x6194e8 & 2) != 0\n");
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NV_ERROR(dev, "0x6194e8 = 0x%08x\n",
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nv_rd32(dev, 0x6194e8));
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return -EBUSY;
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}
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}
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for (i = 0; i < 2; i++) {
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nv_wr32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i), 0x2000);
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if (!nv_wait(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i),
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NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS, 0)) {
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NV_ERROR(dev, "timeout: CURSOR_CTRL2_STATUS == 0\n");
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NV_ERROR(dev, "CURSOR_CTRL2 = 0x%08x\n",
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nv_rd32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i)));
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return -EBUSY;
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}
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nv_wr32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i),
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NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_ON);
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if (!nv_wait(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i),
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NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS,
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NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS_ACTIVE)) {
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NV_ERROR(dev, "timeout: "
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"CURSOR_CTRL2_STATUS_ACTIVE(%d)\n", i);
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NV_ERROR(dev, "CURSOR_CTRL2(%d) = 0x%08x\n", i,
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nv_rd32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i)));
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return -EBUSY;
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}
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}
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nv_wr32(dev, NV50_PDISPLAY_PIO_CTRL, 0x00000000);
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nv_mask(dev, NV50_PDISPLAY_INTR_0, 0x00000000, 0x00000000);
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nv_wr32(dev, NV50_PDISPLAY_INTR_EN_0, 0x00000000);
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nv_mask(dev, NV50_PDISPLAY_INTR_1, 0x00000000, 0x00000000);
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nv_wr32(dev, NV50_PDISPLAY_INTR_EN_1,
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NV50_PDISPLAY_INTR_EN_1_CLK_UNK10 |
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NV50_PDISPLAY_INTR_EN_1_CLK_UNK20 |
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NV50_PDISPLAY_INTR_EN_1_CLK_UNK40);
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/* enable hotplug interrupts */
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list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
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struct nouveau_connector *conn = nouveau_connector(connector);
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if (conn->dcb->gpio_tag == 0xff)
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continue;
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pgpio->irq_enable(dev, conn->dcb->gpio_tag, true);
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}
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ret = nv50_evo_init(dev);
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if (ret)
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return ret;
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evo = dev_priv->evo;
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nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9);
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ret = RING_SPACE(evo, 11);
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if (ret)
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return ret;
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BEGIN_RING(evo, 0, NV50_EVO_UNK84, 2);
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OUT_RING(evo, NV50_EVO_UNK84_NOTIFY_DISABLED);
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OUT_RING(evo, NV50_EVO_DMA_NOTIFY_HANDLE_NONE);
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BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, FB_DMA), 1);
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OUT_RING(evo, NV50_EVO_CRTC_FB_DMA_HANDLE_NONE);
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BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, UNK0800), 1);
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OUT_RING(evo, 0);
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BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, DISPLAY_START), 1);
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OUT_RING(evo, 0);
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BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, UNK082C), 1);
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OUT_RING(evo, 0);
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FIRE_RING(evo);
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if (!nv_wait(dev, 0x640004, 0xffffffff, evo->dma.put << 2))
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NV_ERROR(dev, "evo pushbuf stalled\n");
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return 0;
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}
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static int nv50_display_disable(struct drm_device *dev)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct drm_crtc *drm_crtc;
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int ret, i;
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NV_DEBUG_KMS(dev, "\n");
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list_for_each_entry(drm_crtc, &dev->mode_config.crtc_list, head) {
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struct nouveau_crtc *crtc = nouveau_crtc(drm_crtc);
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nv50_crtc_blank(crtc, true);
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}
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ret = RING_SPACE(dev_priv->evo, 2);
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if (ret == 0) {
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BEGIN_RING(dev_priv->evo, 0, NV50_EVO_UPDATE, 1);
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OUT_RING(dev_priv->evo, 0);
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}
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FIRE_RING(dev_priv->evo);
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/* Almost like ack'ing a vblank interrupt, maybe in the spirit of
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* cleaning up?
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*/
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list_for_each_entry(drm_crtc, &dev->mode_config.crtc_list, head) {
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struct nouveau_crtc *crtc = nouveau_crtc(drm_crtc);
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uint32_t mask = NV50_PDISPLAY_INTR_1_VBLANK_CRTC_(crtc->index);
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if (!crtc->base.enabled)
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continue;
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nv_wr32(dev, NV50_PDISPLAY_INTR_1, mask);
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if (!nv_wait(dev, NV50_PDISPLAY_INTR_1, mask, mask)) {
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NV_ERROR(dev, "timeout: (0x610024 & 0x%08x) == "
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"0x%08x\n", mask, mask);
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NV_ERROR(dev, "0x610024 = 0x%08x\n",
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nv_rd32(dev, NV50_PDISPLAY_INTR_1));
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}
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}
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nv50_evo_fini(dev);
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for (i = 0; i < 3; i++) {
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if (!nv_wait(dev, NV50_PDISPLAY_SOR_DPMS_STATE(i),
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NV50_PDISPLAY_SOR_DPMS_STATE_WAIT, 0)) {
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NV_ERROR(dev, "timeout: SOR_DPMS_STATE_WAIT(%d) == 0\n", i);
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NV_ERROR(dev, "SOR_DPMS_STATE(%d) = 0x%08x\n", i,
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nv_rd32(dev, NV50_PDISPLAY_SOR_DPMS_STATE(i)));
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}
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}
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/* disable interrupts. */
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nv_wr32(dev, NV50_PDISPLAY_INTR_EN_1, 0x00000000);
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/* disable hotplug interrupts */
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nv_wr32(dev, 0xe054, 0xffffffff);
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nv_wr32(dev, 0xe050, 0x00000000);
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if (dev_priv->chipset >= 0x90) {
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nv_wr32(dev, 0xe074, 0xffffffff);
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nv_wr32(dev, 0xe070, 0x00000000);
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}
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return 0;
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}
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int nv50_display_create(struct drm_device *dev)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct dcb_table *dcb = &dev_priv->vbios.dcb;
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struct drm_connector *connector, *ct;
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int ret, i;
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NV_DEBUG_KMS(dev, "\n");
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/* init basic kernel modesetting */
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drm_mode_config_init(dev);
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/* Initialise some optional connector properties. */
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drm_mode_create_scaling_mode_property(dev);
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drm_mode_create_dithering_property(dev);
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dev->mode_config.min_width = 0;
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dev->mode_config.min_height = 0;
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dev->mode_config.funcs = (void *)&nouveau_mode_config_funcs;
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dev->mode_config.max_width = 8192;
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dev->mode_config.max_height = 8192;
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dev->mode_config.fb_base = dev_priv->fb_phys;
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/* Create CRTC objects */
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for (i = 0; i < 2; i++)
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nv50_crtc_create(dev, i);
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/* We setup the encoders from the BIOS table */
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for (i = 0 ; i < dcb->entries; i++) {
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struct dcb_entry *entry = &dcb->entry[i];
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if (entry->location != DCB_LOC_ON_CHIP) {
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NV_WARN(dev, "Off-chip encoder %d/%d unsupported\n",
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entry->type, ffs(entry->or) - 1);
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continue;
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}
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connector = nouveau_connector_create(dev, entry->connector);
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if (IS_ERR(connector))
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continue;
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switch (entry->type) {
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case OUTPUT_TMDS:
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case OUTPUT_LVDS:
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case OUTPUT_DP:
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nv50_sor_create(connector, entry);
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break;
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case OUTPUT_ANALOG:
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nv50_dac_create(connector, entry);
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break;
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default:
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NV_WARN(dev, "DCB encoder %d unknown\n", entry->type);
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continue;
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}
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}
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list_for_each_entry_safe(connector, ct,
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&dev->mode_config.connector_list, head) {
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if (!connector->encoder_ids[0]) {
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NV_WARN(dev, "%s has no encoders, removing\n",
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drm_get_connector_name(connector));
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connector->funcs->destroy(connector);
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}
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}
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INIT_WORK(&dev_priv->irq_work, nv50_display_irq_handler_bh);
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nouveau_irq_register(dev, 26, nv50_display_isr);
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ret = nv50_display_init(dev);
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if (ret) {
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nv50_display_destroy(dev);
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return ret;
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}
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return 0;
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}
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void
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nv50_display_destroy(struct drm_device *dev)
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{
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NV_DEBUG_KMS(dev, "\n");
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drm_mode_config_cleanup(dev);
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nv50_display_disable(dev);
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nouveau_irq_unregister(dev, 26);
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}
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static u16
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nv50_display_script_select(struct drm_device *dev, struct dcb_entry *dcb,
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u32 mc, int pxclk)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_connector *nv_connector = NULL;
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struct drm_encoder *encoder;
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struct nvbios *bios = &dev_priv->vbios;
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u32 script = 0, or;
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list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
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struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
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if (nv_encoder->dcb != dcb)
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continue;
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nv_connector = nouveau_encoder_connector_get(nv_encoder);
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break;
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}
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or = ffs(dcb->or) - 1;
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switch (dcb->type) {
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case OUTPUT_LVDS:
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script = (mc >> 8) & 0xf;
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if (bios->fp_no_ddc) {
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if (bios->fp.dual_link)
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script |= 0x0100;
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if (bios->fp.if_is_24bit)
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script |= 0x0200;
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} else {
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if (pxclk >= bios->fp.duallink_transition_clk) {
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script |= 0x0100;
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if (bios->fp.strapless_is_24bit & 2)
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script |= 0x0200;
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} else
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if (bios->fp.strapless_is_24bit & 1)
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script |= 0x0200;
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if (nv_connector && nv_connector->edid &&
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(nv_connector->edid->revision >= 4) &&
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(nv_connector->edid->input & 0x70) >= 0x20)
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script |= 0x0200;
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}
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if (nouveau_uscript_lvds >= 0) {
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NV_INFO(dev, "override script 0x%04x with 0x%04x "
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"for output LVDS-%d\n", script,
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nouveau_uscript_lvds, or);
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script = nouveau_uscript_lvds;
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}
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break;
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case OUTPUT_TMDS:
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script = (mc >> 8) & 0xf;
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if (pxclk >= 165000)
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script |= 0x0100;
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if (nouveau_uscript_tmds >= 0) {
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NV_INFO(dev, "override script 0x%04x with 0x%04x "
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"for output TMDS-%d\n", script,
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nouveau_uscript_tmds, or);
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script = nouveau_uscript_tmds;
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}
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break;
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case OUTPUT_DP:
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script = (mc >> 8) & 0xf;
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break;
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case OUTPUT_ANALOG:
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script = 0xff;
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break;
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default:
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NV_ERROR(dev, "modeset on unsupported output type!\n");
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break;
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}
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return script;
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}
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static void
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nv50_display_vblank_crtc_handler(struct drm_device *dev, int crtc)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_channel *chan, *tmp;
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list_for_each_entry_safe(chan, tmp, &dev_priv->vbl_waiting,
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nvsw.vbl_wait) {
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if (chan->nvsw.vblsem_head != crtc)
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continue;
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nouveau_bo_wr32(chan->notifier_bo, chan->nvsw.vblsem_offset,
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chan->nvsw.vblsem_rval);
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list_del(&chan->nvsw.vbl_wait);
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drm_vblank_put(dev, crtc);
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}
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drm_handle_vblank(dev, crtc);
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}
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static void
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nv50_display_vblank_handler(struct drm_device *dev, uint32_t intr)
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{
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if (intr & NV50_PDISPLAY_INTR_1_VBLANK_CRTC_0)
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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_1, NV50_PDISPLAY_INTR_1_VBLANK_CRTC);
|
|
}
|
|
|
|
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)
|
|
{
|
|
u32 channels = (nv_rd32(dev, NV50_PDISPLAY_INTR_0) & 0x001f0000) >> 16;
|
|
u32 addr, data;
|
|
int chid;
|
|
|
|
for (chid = 0; chid < 5; chid++) {
|
|
if (!(channels & (1 << chid)))
|
|
continue;
|
|
|
|
nv_wr32(dev, NV50_PDISPLAY_INTR_0, 0x00010000 << chid);
|
|
addr = nv_rd32(dev, NV50_PDISPLAY_TRAPPED_ADDR(chid));
|
|
data = nv_rd32(dev, NV50_PDISPLAY_TRAPPED_DATA(chid));
|
|
NV_ERROR(dev, "EvoCh %d Mthd 0x%04x Data 0x%08x "
|
|
"(0x%04x 0x%02x)\n", chid,
|
|
addr & 0xffc, data, addr >> 16, (addr >> 12) & 0xf);
|
|
|
|
nv_wr32(dev, NV50_PDISPLAY_TRAPPED_ADDR(chid), 0x90000000);
|
|
}
|
|
}
|
|
|
|
static void
|
|
nv50_display_isr(struct drm_device *dev)
|
|
{
|
|
struct drm_nouveau_private *dev_priv = dev->dev_private;
|
|
uint32_t delayed = 0;
|
|
|
|
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 & 0x001f0000) {
|
|
nv50_display_error_handler(dev);
|
|
intr0 &= ~0x001f0000;
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|
|
}
|