diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 1038 |
1 files changed, 1038 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c new file mode 100644 index 00000000..8b78b9cf --- /dev/null +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -0,0 +1,1038 @@ +/* + * 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. + * + */ + +#define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO) +#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 void nv50_display_isr(struct drm_device *); +static void nv50_display_bh(unsigned long); + +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; +} + +u32 +nv50_display_active_crtcs(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + u32 mask = 0; + int i; + + if (dev_priv->chipset < 0x90 || + dev_priv->chipset == 0x92 || + dev_priv->chipset == 0xa0) { + for (i = 0; i < 2; i++) + mask |= nv_rd32(dev, NV50_PDISPLAY_SOR_MODE_CTRL_C(i)); + } else { + for (i = 0; i < 4; i++) + mask |= nv_rd32(dev, NV90_PDISPLAY_SOR_MODE_CTRL_C(i)); + } + + for (i = 0; i < 3; i++) + mask |= nv_rd32(dev, NV50_PDISPLAY_DAC_MODE_CTRL_C(i)); + + return mask & 3; +} + +static int +evo_icmd(struct drm_device *dev, int ch, u32 mthd, u32 data) +{ + int ret = 0; + nv_mask(dev, 0x610300 + (ch * 0x08), 0x00000001, 0x00000001); + nv_wr32(dev, 0x610304 + (ch * 0x08), data); + nv_wr32(dev, 0x610300 + (ch * 0x08), 0x80000001 | mthd); + if (!nv_wait(dev, 0x610300 + (ch * 0x08), 0x80000000, 0x00000000)) + ret = -EBUSY; + if (ret || (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO)) + NV_INFO(dev, "EvoPIO: %d 0x%04x 0x%08x\n", ch, mthd, data); + nv_mask(dev, 0x610300 + (ch * 0x08), 0x00000001, 0x00000000); + return ret; +} + +int +nv50_display_early_init(struct drm_device *dev) +{ + u32 ctrl = nv_rd32(dev, 0x610200); + int i; + + /* check if master evo channel is already active, a good a sign as any + * that the display engine is in a weird state (hibernate/kexec), if + * it is, do our best to reset the display engine... + */ + if ((ctrl & 0x00000003) == 0x00000003) { + NV_INFO(dev, "PDISP: EVO(0) 0x%08x, resetting...\n", ctrl); + + /* deactivate both heads first, PDISP will disappear forever + * (well, until you power cycle) on some boards as soon as + * PMC_ENABLE is hit unless they are.. + */ + for (i = 0; i < 2; i++) { + evo_icmd(dev, 0, 0x0880 + (i * 0x400), 0x05000000); + evo_icmd(dev, 0, 0x089c + (i * 0x400), 0); + evo_icmd(dev, 0, 0x0840 + (i * 0x400), 0); + evo_icmd(dev, 0, 0x0844 + (i * 0x400), 0); + evo_icmd(dev, 0, 0x085c + (i * 0x400), 0); + evo_icmd(dev, 0, 0x0874 + (i * 0x400), 0); + } + evo_icmd(dev, 0, 0x0080, 0); + + /* reset PDISP */ + nv_mask(dev, 0x000200, 0x40000000, 0x00000000); + nv_mask(dev, 0x000200, 0x40000000, 0x40000000); + } + + return 0; +} + +void +nv50_display_late_takedown(struct drm_device *dev) +{ +} + +int +nv50_display_sync(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer; + struct nv50_display *disp = nv50_display(dev); + struct nouveau_channel *evo = disp->master; + u64 start; + int ret; + + ret = RING_SPACE(evo, 6); + if (ret == 0) { + BEGIN_RING(evo, 0, 0x0084, 1); + OUT_RING (evo, 0x80000000); + BEGIN_RING(evo, 0, 0x0080, 1); + OUT_RING (evo, 0); + BEGIN_RING(evo, 0, 0x0084, 1); + OUT_RING (evo, 0x00000000); + + nv_wo32(disp->ntfy, 0x000, 0x00000000); + FIRE_RING (evo); + + start = ptimer->read(dev); + do { + if (nv_ro32(disp->ntfy, 0x000)) + return 0; + } while (ptimer->read(dev) - start < 2000000000ULL); + } + + return -EBUSY; +} + +int +nv50_display_init(struct drm_device *dev) +{ + struct nouveau_channel *evo; + int ret, i; + u32 val; + + 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); + } + + /* 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; + } + } + + 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_PIO_CTRL, 0x00000000); + nv_mask(dev, NV50_PDISPLAY_INTR_0, 0x00000000, 0x00000000); + nv_wr32(dev, NV50_PDISPLAY_INTR_EN_0, 0x00000000); + nv_mask(dev, NV50_PDISPLAY_INTR_1, 0x00000000, 0x00000000); + nv_wr32(dev, NV50_PDISPLAY_INTR_EN_1, + NV50_PDISPLAY_INTR_EN_1_CLK_UNK10 | + NV50_PDISPLAY_INTR_EN_1_CLK_UNK20 | + NV50_PDISPLAY_INTR_EN_1_CLK_UNK40); + + ret = nv50_evo_init(dev); + if (ret) + return ret; + evo = nv50_display(dev)->master; + + nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9); + + ret = RING_SPACE(evo, 3); + if (ret) + return ret; + BEGIN_RING(evo, 0, NV50_EVO_UNK84, 2); + OUT_RING (evo, NV50_EVO_UNK84_NOTIFY_DISABLED); + OUT_RING (evo, NvEvoSync); + + return nv50_display_sync(dev); +} + +void +nv50_display_fini(struct drm_device *dev) +{ + struct nv50_display *disp = nv50_display(dev); + struct nouveau_channel *evo = disp->master; + 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(evo, 2); + if (ret == 0) { + BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); + OUT_RING(evo, 0); + } + FIRE_RING(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)); + } + } + + for (i = 0; i < 2; i++) { + nv_wr32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i), 0); + 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))); + } + } + + nv50_evo_fini(dev); + + 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_1, 0x00000000); +} + +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; + struct nv50_display *priv; + int ret, i; + + NV_DEBUG_KMS(dev, "\n"); + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + dev_priv->engine.display.priv = priv; + + /* 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); + } + } + + tasklet_init(&priv->tasklet, nv50_display_bh, (unsigned long)dev); + nouveau_irq_register(dev, 26, nv50_display_isr); + + ret = nv50_evo_create(dev); + if (ret) { + nv50_display_destroy(dev); + return ret; + } + + return 0; +} + +void +nv50_display_destroy(struct drm_device *dev) +{ + struct nv50_display *disp = nv50_display(dev); + + NV_DEBUG_KMS(dev, "\n"); + + nv50_evo_destroy(dev); + nouveau_irq_unregister(dev, 26); + kfree(disp); +} + +void +nv50_display_flip_stop(struct drm_crtc *crtc) +{ + struct nv50_display *disp = nv50_display(crtc->dev); + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct nv50_display_crtc *dispc = &disp->crtc[nv_crtc->index]; + struct nouveau_channel *evo = dispc->sync; + int ret; + + ret = RING_SPACE(evo, 8); + if (ret) { + WARN_ON(1); + return; + } + + BEGIN_RING(evo, 0, 0x0084, 1); + OUT_RING (evo, 0x00000000); + BEGIN_RING(evo, 0, 0x0094, 1); + OUT_RING (evo, 0x00000000); + BEGIN_RING(evo, 0, 0x00c0, 1); + OUT_RING (evo, 0x00000000); + BEGIN_RING(evo, 0, 0x0080, 1); + OUT_RING (evo, 0x00000000); + FIRE_RING (evo); +} + +int +nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb, + struct nouveau_channel *chan) +{ + struct drm_nouveau_private *dev_priv = crtc->dev->dev_private; + struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb); + struct nv50_display *disp = nv50_display(crtc->dev); + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct nv50_display_crtc *dispc = &disp->crtc[nv_crtc->index]; + struct nouveau_channel *evo = dispc->sync; + int ret; + + ret = RING_SPACE(evo, chan ? 25 : 27); + if (unlikely(ret)) + return ret; + + /* synchronise with the rendering channel, if necessary */ + if (likely(chan)) { + ret = RING_SPACE(chan, 10); + if (ret) { + WIND_RING(evo); + return ret; + } + + if (dev_priv->chipset < 0xc0) { + BEGIN_RING(chan, 0, 0x0060, 2); + OUT_RING (chan, NvEvoSema0 + nv_crtc->index); + OUT_RING (chan, dispc->sem.offset); + BEGIN_RING(chan, 0, 0x006c, 1); + OUT_RING (chan, 0xf00d0000 | dispc->sem.value); + BEGIN_RING(chan, 0, 0x0064, 2); + OUT_RING (chan, dispc->sem.offset ^ 0x10); + OUT_RING (chan, 0x74b1e000); + BEGIN_RING(chan, 0, 0x0060, 1); + if (dev_priv->chipset < 0x84) + OUT_RING (chan, NvSema); + else + OUT_RING (chan, chan->vram_handle); + } else { + u64 offset = chan->dispc_vma[nv_crtc->index].offset; + offset += dispc->sem.offset; + BEGIN_NVC0(chan, 2, 0, 0x0010, 4); + OUT_RING (chan, upper_32_bits(offset)); + OUT_RING (chan, lower_32_bits(offset)); + OUT_RING (chan, 0xf00d0000 | dispc->sem.value); + OUT_RING (chan, 0x1002); + BEGIN_NVC0(chan, 2, 0, 0x0010, 4); + OUT_RING (chan, upper_32_bits(offset)); + OUT_RING (chan, lower_32_bits(offset ^ 0x10)); + OUT_RING (chan, 0x74b1e000); + OUT_RING (chan, 0x1001); + } + FIRE_RING (chan); + } else { + nouveau_bo_wr32(dispc->sem.bo, dispc->sem.offset / 4, + 0xf00d0000 | dispc->sem.value); + } + + /* queue the flip on the crtc's "display sync" channel */ + BEGIN_RING(evo, 0, 0x0100, 1); + OUT_RING (evo, 0xfffe0000); + if (chan) { + BEGIN_RING(evo, 0, 0x0084, 1); + OUT_RING (evo, 0x00000100); + } else { + BEGIN_RING(evo, 0, 0x0084, 1); + OUT_RING (evo, 0x00000010); + /* allows gamma somehow, PDISP will bitch at you if + * you don't wait for vblank before changing this.. + */ + BEGIN_RING(evo, 0, 0x00e0, 1); + OUT_RING (evo, 0x40000000); + } + BEGIN_RING(evo, 0, 0x0088, 4); + OUT_RING (evo, dispc->sem.offset); + OUT_RING (evo, 0xf00d0000 | dispc->sem.value); + OUT_RING (evo, 0x74b1e000); + OUT_RING (evo, NvEvoSync); + BEGIN_RING(evo, 0, 0x00a0, 2); + OUT_RING (evo, 0x00000000); + OUT_RING (evo, 0x00000000); + BEGIN_RING(evo, 0, 0x00c0, 1); + OUT_RING (evo, nv_fb->r_dma); + BEGIN_RING(evo, 0, 0x0110, 2); + OUT_RING (evo, 0x00000000); + OUT_RING (evo, 0x00000000); + BEGIN_RING(evo, 0, 0x0800, 5); + OUT_RING (evo, nv_fb->nvbo->bo.offset >> 8); + OUT_RING (evo, 0); + OUT_RING (evo, (fb->height << 16) | fb->width); + OUT_RING (evo, nv_fb->r_pitch); + OUT_RING (evo, nv_fb->r_format); + BEGIN_RING(evo, 0, 0x0080, 1); + OUT_RING (evo, 0x00000000); + FIRE_RING (evo); + + dispc->sem.offset ^= 0x10; + dispc->sem.value++; + return 0; +} + +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 { + /* determine number of lvds links */ + if (nv_connector && nv_connector->edid && + nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) { + /* http://www.spwg.org */ + if (((u8 *)nv_connector->edid)[121] == 2) + script |= 0x0100; + } else + if (pxclk >= bios->fp.duallink_transition_clk) { + script |= 0x0100; + } + + /* determine panel depth */ + if (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, *tmp; + + list_for_each_entry_safe(chan, tmp, &dev_priv->vbl_waiting, + nvsw.vbl_wait) { + if (chan->nvsw.vblsem_head != crtc) + continue; + + nouveau_bo_wr32(chan->notifier_bo, chan->nvsw.vblsem_offset, + chan->nvsw.vblsem_rval); + list_del(&chan->nvsw.vbl_wait); + drm_vblank_put(dev, crtc); + } + + drm_handle_vblank(dev, crtc); +} + +static void +nv50_display_vblank_handler(struct drm_device *dev, uint32_t intr) +{ + 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_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; + struct nv50_display *disp = nv50_display(dev); + u32 unk30 = nv_rd32(dev, 0x610030), mc; + int i, crtc, or = 0, type = OUTPUT_ANY; + + NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30); + disp->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, 0, -1, dcb, -1); + disp->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_handler(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nv50_display *disp = nv50_display(dev); + u32 unk30 = nv_rd32(dev, 0x610030), tmp, pclk, script, mc = 0; + struct dcb_entry *dcb; + int i, crtc, or = 0, type = OUTPUT_ANY; + + NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30); + dcb = disp->irq.dcb; + if (dcb) { + nouveau_bios_run_display_table(dev, 0, -2, dcb, -1); + disp->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; + if (pclk) + 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, script, pclk, dcb, -1); + + if (type == OUTPUT_DP) { + int link = !(dcb->dpconf.sor.link & 1); + if ((mc & 0x000f0000) == 0x00020000) + nv50_sor_dp_calc_tu(dev, or, link, pclk, 18); + else + nv50_sor_dp_calc_tu(dev, or, link, pclk, 24); + } + + 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); + } + + disp->irq.dcb = dcb; + disp->irq.pclk = pclk; + disp->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 nv50_display *disp = nv50_display(dev); + struct dcb_entry *dcb = disp->irq.dcb; + u16 script = disp->irq.script; + u32 unk30 = nv_rd32(dev, 0x610030), pclk = disp->irq.pclk; + + NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30); + disp->irq.dcb = NULL; + if (!dcb) + goto ack; + + nouveau_bios_run_display_table(dev, script, -pclk, dcb, -1); + 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); +} + +static void +nv50_display_bh(unsigned long data) +{ + struct drm_device *dev = (struct drm_device *)data; + + 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 nv50_display *disp = nv50_display(dev); + 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); + tasklet_schedule(&disp->tasklet); + 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); + } + } +} |