diff options
Diffstat (limited to 'shared-core/nouveau_irq.c')
-rw-r--r-- | shared-core/nouveau_irq.c | 588 |
1 files changed, 0 insertions, 588 deletions
diff --git a/shared-core/nouveau_irq.c b/shared-core/nouveau_irq.c deleted file mode 100644 index f4eb72b8..00000000 --- a/shared-core/nouveau_irq.c +++ /dev/null @@ -1,588 +0,0 @@ -/* - * Copyright (C) 2006 Ben Skeggs. - * - * 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. - * - */ - -/* - * Authors: - * Ben Skeggs <darktama@iinet.net.au> - */ - -#include "drmP.h" -#include "drm.h" -#include "nouveau_drm.h" -#include "nouveau_drv.h" -#include "nouveau_reg.h" -#include "nouveau_swmthd.h" - -void -nouveau_irq_preinstall(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - - /* Master disable */ - NV_WRITE(NV03_PMC_INTR_EN_0, 0); -} - -int -nouveau_irq_postinstall(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - - /* Master enable */ - NV_WRITE(NV03_PMC_INTR_EN_0, NV_PMC_INTR_EN_0_MASTER_ENABLE); - - return 0; -} - -void -nouveau_irq_uninstall(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - - /* Master disable */ - NV_WRITE(NV03_PMC_INTR_EN_0, 0); -} - -static void -nouveau_fifo_irq_handler(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_engine *engine = &dev_priv->Engine; - uint32_t status, reassign; - - reassign = NV_READ(NV03_PFIFO_CACHES) & 1; - while ((status = NV_READ(NV03_PFIFO_INTR_0))) { - uint32_t chid, get; - - NV_WRITE(NV03_PFIFO_CACHES, 0); - - chid = engine->fifo.channel_id(dev); - get = NV_READ(NV03_PFIFO_CACHE1_GET); - - if (status & NV_PFIFO_INTR_CACHE_ERROR) { - uint32_t mthd, data; - int ptr; - - ptr = get >> 2; - if (dev_priv->card_type < NV_40) { - mthd = NV_READ(NV04_PFIFO_CACHE1_METHOD(ptr)); - data = NV_READ(NV04_PFIFO_CACHE1_DATA(ptr)); - } else { - mthd = NV_READ(NV40_PFIFO_CACHE1_METHOD(ptr)); - data = NV_READ(NV40_PFIFO_CACHE1_DATA(ptr)); - } - - DRM_INFO("PFIFO_CACHE_ERROR - " - "Ch %d/%d Mthd 0x%04x Data 0x%08x\n", - chid, (mthd >> 13) & 7, mthd & 0x1ffc, data); - - NV_WRITE(NV03_PFIFO_CACHE1_GET, get + 4); - NV_WRITE(NV04_PFIFO_CACHE1_PULL0, 1); - - status &= ~NV_PFIFO_INTR_CACHE_ERROR; - NV_WRITE(NV03_PFIFO_INTR_0, NV_PFIFO_INTR_CACHE_ERROR); - } - - if (status & NV_PFIFO_INTR_DMA_PUSHER) { - DRM_INFO("PFIFO_DMA_PUSHER - Ch %d\n", chid); - - status &= ~NV_PFIFO_INTR_DMA_PUSHER; - NV_WRITE(NV03_PFIFO_INTR_0, NV_PFIFO_INTR_DMA_PUSHER); - - NV_WRITE(NV04_PFIFO_CACHE1_DMA_STATE, 0x00000000); - if (NV_READ(NV04_PFIFO_CACHE1_DMA_PUT) != get) - NV_WRITE(NV04_PFIFO_CACHE1_DMA_GET, get + 4); - } - - if (status) { - DRM_INFO("Unhandled PFIFO_INTR - 0x%08x\n", status); - NV_WRITE(NV03_PFIFO_INTR_0, status); - NV_WRITE(NV03_PMC_INTR_EN_0, 0); - } - - NV_WRITE(NV03_PFIFO_CACHES, reassign); - } - - NV_WRITE(NV03_PMC_INTR_0, NV_PMC_INTR_0_PFIFO_PENDING); -} - -struct nouveau_bitfield_names { - uint32_t mask; - const char * name; -}; - -static struct nouveau_bitfield_names nouveau_nstatus_names[] = -{ - { NV04_PGRAPH_NSTATUS_STATE_IN_USE, "STATE_IN_USE" }, - { NV04_PGRAPH_NSTATUS_INVALID_STATE, "INVALID_STATE" }, - { NV04_PGRAPH_NSTATUS_BAD_ARGUMENT, "BAD_ARGUMENT" }, - { NV04_PGRAPH_NSTATUS_PROTECTION_FAULT, "PROTECTION_FAULT" } -}; - -static struct nouveau_bitfield_names nouveau_nstatus_names_nv10[] = -{ - { NV10_PGRAPH_NSTATUS_STATE_IN_USE, "STATE_IN_USE" }, - { NV10_PGRAPH_NSTATUS_INVALID_STATE, "INVALID_STATE" }, - { NV10_PGRAPH_NSTATUS_BAD_ARGUMENT, "BAD_ARGUMENT" }, - { NV10_PGRAPH_NSTATUS_PROTECTION_FAULT, "PROTECTION_FAULT" } -}; - -static struct nouveau_bitfield_names nouveau_nsource_names[] = -{ - { NV03_PGRAPH_NSOURCE_NOTIFICATION, "NOTIFICATION" }, - { NV03_PGRAPH_NSOURCE_DATA_ERROR, "DATA_ERROR" }, - { NV03_PGRAPH_NSOURCE_PROTECTION_ERROR, "PROTECTION_ERROR" }, - { NV03_PGRAPH_NSOURCE_RANGE_EXCEPTION, "RANGE_EXCEPTION" }, - { NV03_PGRAPH_NSOURCE_LIMIT_COLOR, "LIMIT_COLOR" }, - { NV03_PGRAPH_NSOURCE_LIMIT_ZETA, "LIMIT_ZETA" }, - { NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD, "ILLEGAL_MTHD" }, - { NV03_PGRAPH_NSOURCE_DMA_R_PROTECTION, "DMA_R_PROTECTION" }, - { NV03_PGRAPH_NSOURCE_DMA_W_PROTECTION, "DMA_W_PROTECTION" }, - { NV03_PGRAPH_NSOURCE_FORMAT_EXCEPTION, "FORMAT_EXCEPTION" }, - { NV03_PGRAPH_NSOURCE_PATCH_EXCEPTION, "PATCH_EXCEPTION" }, - { NV03_PGRAPH_NSOURCE_STATE_INVALID, "STATE_INVALID" }, - { NV03_PGRAPH_NSOURCE_DOUBLE_NOTIFY, "DOUBLE_NOTIFY" }, - { NV03_PGRAPH_NSOURCE_NOTIFY_IN_USE, "NOTIFY_IN_USE" }, - { NV03_PGRAPH_NSOURCE_METHOD_CNT, "METHOD_CNT" }, - { NV03_PGRAPH_NSOURCE_BFR_NOTIFICATION, "BFR_NOTIFICATION" }, - { NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION, "DMA_VTX_PROTECTION" }, - { NV03_PGRAPH_NSOURCE_DMA_WIDTH_A, "DMA_WIDTH_A" }, - { NV03_PGRAPH_NSOURCE_DMA_WIDTH_B, "DMA_WIDTH_B" }, -}; - -static void -nouveau_print_bitfield_names(uint32_t value, - const struct nouveau_bitfield_names *namelist, - const int namelist_len) -{ - int i; - for(i=0; i<namelist_len; ++i) { - uint32_t mask = namelist[i].mask; - if(value & mask) { - printk(" %s", namelist[i].name); - value &= ~mask; - } - } - if(value) - printk(" (unknown bits 0x%08x)", value); -} - -static int -nouveau_graph_chid_from_grctx(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t inst; - int i; - - if (dev_priv->card_type < NV_40) - return dev_priv->Engine.fifo.channels; - else - if (dev_priv->card_type < NV_50) - inst = (NV_READ(0x40032c) & 0xfffff) << 4; - else - inst = NV_READ(0x40032c) & 0xfffff; - - for (i = 0; i < dev_priv->Engine.fifo.channels; i++) { - struct nouveau_channel *chan = dev_priv->fifos[i]; - - if (!chan || !chan->ramin_grctx) - continue; - - if (dev_priv->card_type < NV_50) { - if (inst == chan->ramin_grctx->instance) - break; - } else { - if (inst == INSTANCE_RD(chan->ramin_grctx->gpuobj, 0)) - break; - } - } - - return i; -} - -static int -nouveau_graph_trapped_channel(struct drm_device *dev, int *channel_ret) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_engine *engine = &dev_priv->Engine; - int channel; - - if (dev_priv->card_type < NV_10) - channel = (NV_READ(NV04_PGRAPH_TRAPPED_ADDR) >> 24) & 0xf; - else - if (dev_priv->card_type < NV_40) - channel = (NV_READ(NV04_PGRAPH_TRAPPED_ADDR) >> 20) & 0x1f; - else - channel = nouveau_graph_chid_from_grctx(dev); - - if (channel >= engine->fifo.channels || !dev_priv->fifos[channel]) { - DRM_ERROR("AIII, invalid/inactive channel id %d\n", channel); - return -EINVAL; - } - - *channel_ret = channel; - return 0; -} - -struct nouveau_pgraph_trap { - int channel; - int class; - int subc, mthd, size; - uint32_t data, data2; - uint32_t nsource, nstatus; -}; - -static void -nouveau_graph_trap_info(struct drm_device *dev, - struct nouveau_pgraph_trap *trap) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t address; - - trap->nsource = trap->nstatus = 0; - if (dev_priv->card_type < NV_50) { - trap->nsource = NV_READ(NV03_PGRAPH_NSOURCE); - trap->nstatus = NV_READ(NV03_PGRAPH_NSTATUS); - } - - if (nouveau_graph_trapped_channel(dev, &trap->channel)) - trap->channel = -1; - address = NV_READ(NV04_PGRAPH_TRAPPED_ADDR); - - trap->mthd = address & 0x1FFC; - trap->data = NV_READ(NV04_PGRAPH_TRAPPED_DATA); - if (dev_priv->card_type < NV_10) { - trap->subc = (address >> 13) & 0x7; - } else { - trap->subc = (address >> 16) & 0x7; - trap->data2 = NV_READ(NV10_PGRAPH_TRAPPED_DATA_HIGH); - } - - if (dev_priv->card_type < NV_10) { - trap->class = NV_READ(0x400180 + trap->subc*4) & 0xFF; - } else if (dev_priv->card_type < NV_40) { - trap->class = NV_READ(0x400160 + trap->subc*4) & 0xFFF; - } else if (dev_priv->card_type < NV_50) { - trap->class = NV_READ(0x400160 + trap->subc*4) & 0xFFFF; - } else { - trap->class = NV_READ(0x400814); - } -} - -static void -nouveau_graph_dump_trap_info(struct drm_device *dev, const char *id, - struct nouveau_pgraph_trap *trap) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t nsource = trap->nsource, nstatus = trap->nstatus; - - DRM_INFO("%s - nSource:", id); - nouveau_print_bitfield_names(nsource, nouveau_nsource_names, - ARRAY_SIZE(nouveau_nsource_names)); - printk(", nStatus:"); - if (dev_priv->card_type < NV_10) - nouveau_print_bitfield_names(nstatus, nouveau_nstatus_names, - ARRAY_SIZE(nouveau_nstatus_names)); - else - nouveau_print_bitfield_names(nstatus, nouveau_nstatus_names_nv10, - ARRAY_SIZE(nouveau_nstatus_names_nv10)); - printk("\n"); - - DRM_INFO("%s - Ch %d/%d Class 0x%04x Mthd 0x%04x Data 0x%08x:0x%08x\n", - id, trap->channel, trap->subc, trap->class, trap->mthd, - trap->data2, trap->data); -} - -static inline void -nouveau_pgraph_intr_notify(struct drm_device *dev, uint32_t nsource) -{ - struct nouveau_pgraph_trap trap; - int unhandled = 0; - - nouveau_graph_trap_info(dev, &trap); - - if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) { - /* NV4 (nvidia TNT 1) reports software methods with - * PGRAPH NOTIFY ILLEGAL_MTHD - */ - DRM_DEBUG("Got NV04 software method method %x for class %#x\n", - trap.mthd, trap.class); - - if (nouveau_sw_method_execute(dev, trap.class, trap.mthd)) { - DRM_ERROR("Unable to execute NV04 software method %x " - "for object class %x. Please report.\n", - trap.mthd, trap.class); - unhandled = 1; - } - } else { - unhandled = 1; - } - - if (unhandled) - nouveau_graph_dump_trap_info(dev, "PGRAPH_NOTIFY", &trap); -} - -static inline void -nouveau_pgraph_intr_error(struct drm_device *dev, uint32_t nsource) -{ - struct nouveau_pgraph_trap trap; - int unhandled = 0; - - nouveau_graph_trap_info(dev, &trap); - trap.nsource = nsource; - - if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) { - if (trap.channel >= 0 && trap.mthd == 0x0150) { - nouveau_fence_handler(dev, trap.channel); - } else - if (nouveau_sw_method_execute(dev, trap.class, trap.mthd)) { - unhandled = 1; - } - } else { - unhandled = 1; - } - - if (unhandled) - nouveau_graph_dump_trap_info(dev, "PGRAPH_ERROR", &trap); -} - -static inline void -nouveau_pgraph_intr_context_switch(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_engine *engine = &dev_priv->Engine; - uint32_t chid; - - chid = engine->fifo.channel_id(dev); - DRM_DEBUG("PGRAPH context switch interrupt channel %x\n", chid); - - switch(dev_priv->card_type) { - case NV_04: - case NV_05: - nouveau_nv04_context_switch(dev); - break; - case NV_10: - case NV_11: - case NV_17: - nouveau_nv10_context_switch(dev); - break; - default: - DRM_ERROR("Context switch not implemented\n"); - break; - } -} - -static void -nouveau_pgraph_irq_handler(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t status; - - while ((status = NV_READ(NV03_PGRAPH_INTR))) { - uint32_t nsource = NV_READ(NV03_PGRAPH_NSOURCE); - - if (status & NV_PGRAPH_INTR_NOTIFY) { - nouveau_pgraph_intr_notify(dev, nsource); - - status &= ~NV_PGRAPH_INTR_NOTIFY; - NV_WRITE(NV03_PGRAPH_INTR, NV_PGRAPH_INTR_NOTIFY); - } - - if (status & NV_PGRAPH_INTR_ERROR) { - nouveau_pgraph_intr_error(dev, nsource); - - status &= ~NV_PGRAPH_INTR_ERROR; - NV_WRITE(NV03_PGRAPH_INTR, NV_PGRAPH_INTR_ERROR); - } - - if (status & NV_PGRAPH_INTR_CONTEXT_SWITCH) { - nouveau_pgraph_intr_context_switch(dev); - - status &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH; - NV_WRITE(NV03_PGRAPH_INTR, - NV_PGRAPH_INTR_CONTEXT_SWITCH); - } - - if (status) { - DRM_INFO("Unhandled PGRAPH_INTR - 0x%08x\n", status); - NV_WRITE(NV03_PGRAPH_INTR, status); - } - - if ((NV_READ(NV04_PGRAPH_FIFO) & (1 << 0)) == 0) - NV_WRITE(NV04_PGRAPH_FIFO, 1); - } - - NV_WRITE(NV03_PMC_INTR_0, NV_PMC_INTR_0_PGRAPH_PENDING); -} - -static void -nv50_pgraph_irq_handler(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t status, nsource; - - status = NV_READ(NV03_PGRAPH_INTR); - nsource = NV_READ(NV03_PGRAPH_NSOURCE); - - if (status & 0x00000020) { - nouveau_pgraph_intr_error(dev, - NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD); - - status &= ~0x00000020; - NV_WRITE(NV03_PGRAPH_INTR, 0x00000020); - } - - if (status & 0x00100000) { - nouveau_pgraph_intr_error(dev, - NV03_PGRAPH_NSOURCE_DATA_ERROR); - - status &= ~0x00100000; - NV_WRITE(NV03_PGRAPH_INTR, 0x00100000); - } - - if (status & 0x00200000) { - int r; - - nouveau_pgraph_intr_error(dev, nsource | - NV03_PGRAPH_NSOURCE_PROTECTION_ERROR); - - DRM_ERROR("magic set 1:\n"); - for (r = 0x408900; r <= 0x408910; r += 4) - DRM_ERROR("\t0x%08x: 0x%08x\n", r, NV_READ(r)); - NV_WRITE(0x408900, NV_READ(0x408904) | 0xc0000000); - for (r = 0x408e08; r <= 0x408e24; r += 4) - DRM_ERROR("\t0x%08x: 0x%08x\n", r, NV_READ(r)); - NV_WRITE(0x408e08, NV_READ(0x408e08) | 0xc0000000); - - DRM_ERROR("magic set 2:\n"); - for (r = 0x409900; r <= 0x409910; r += 4) - DRM_ERROR("\t0x%08x: 0x%08x\n", r, NV_READ(r)); - NV_WRITE(0x409900, NV_READ(0x409904) | 0xc0000000); - for (r = 0x409e08; r <= 0x409e24; r += 4) - DRM_ERROR("\t0x%08x: 0x%08x\n", r, NV_READ(r)); - NV_WRITE(0x409e08, NV_READ(0x409e08) | 0xc0000000); - - status &= ~0x00200000; - NV_WRITE(NV03_PGRAPH_NSOURCE, nsource); - NV_WRITE(NV03_PGRAPH_INTR, 0x00200000); - } - - if (status) { - DRM_INFO("Unhandled PGRAPH_INTR - 0x%08x\n", status); - NV_WRITE(NV03_PGRAPH_INTR, status); - } - - { - const int isb = (1 << 16) | (1 << 0); - - if ((NV_READ(0x400500) & isb) != isb) - NV_WRITE(0x400500, NV_READ(0x400500) | isb); - } - - NV_WRITE(NV03_PMC_INTR_0, NV_PMC_INTR_0_PGRAPH_PENDING); -} - -static void -nouveau_crtc_irq_handler(struct drm_device *dev, int crtc) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - - if (crtc&1) { - NV_WRITE(NV_CRTC0_INTSTAT, NV_CRTC_INTR_VBLANK); - } - - if (crtc&2) { - NV_WRITE(NV_CRTC1_INTSTAT, NV_CRTC_INTR_VBLANK); - } -} - -static void -nouveau_nv50_display_irq_handler(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t val = NV_READ(NV50_DISPLAY_SUPERVISOR); - - DRM_INFO("NV50_DISPLAY_INTR - 0x%08X\n", val); - - NV_WRITE(NV50_DISPLAY_SUPERVISOR, val); -} - -static void -nouveau_nv50_i2c_irq_handler(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - - DRM_INFO("NV50_I2C_INTR - 0x%08X\n", NV_READ(NV50_I2C_CONTROLLER)); - - /* This seems to be the way to acknowledge an interrupt. */ - NV_WRITE(NV50_I2C_CONTROLLER, 0x7FFF7FFF); -} - -irqreturn_t -nouveau_irq_handler(DRM_IRQ_ARGS) -{ - struct drm_device *dev = (struct drm_device*)arg; - struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t status; - - status = NV_READ(NV03_PMC_INTR_0); - if (!status) - return IRQ_NONE; - - if (status & NV_PMC_INTR_0_PFIFO_PENDING) { - nouveau_fifo_irq_handler(dev); - status &= ~NV_PMC_INTR_0_PFIFO_PENDING; - } - - if (status & NV_PMC_INTR_0_PGRAPH_PENDING) { - if (dev_priv->card_type >= NV_50) - nv50_pgraph_irq_handler(dev); - else - nouveau_pgraph_irq_handler(dev); - - status &= ~NV_PMC_INTR_0_PGRAPH_PENDING; - } - - if (status & NV_PMC_INTR_0_CRTCn_PENDING) { - nouveau_crtc_irq_handler(dev, (status>>24)&3); - status &= ~NV_PMC_INTR_0_CRTCn_PENDING; - } - - if (status & NV_PMC_INTR_0_NV50_DISPLAY_PENDING) { - nouveau_nv50_display_irq_handler(dev); - status &= ~NV_PMC_INTR_0_NV50_DISPLAY_PENDING; - } - - if (status & NV_PMC_INTR_0_NV50_I2C_PENDING) { - nouveau_nv50_i2c_irq_handler(dev); - status &= ~NV_PMC_INTR_0_NV50_I2C_PENDING; - } - - if (status) - DRM_ERROR("Unhandled PMC INTR status bits 0x%08x\n", status); - - return IRQ_HANDLED; -} |