From: Ben Skeggs Date: Tue, 19 Oct 2010 03:05:51 +0000 (+1000) Subject: drm/nv50: move evo handling to nv50_evo.c X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b7bc613a4cc08d867b43189c2af0bb83b1fa1dc6;p=linux-beck.git drm/nv50: move evo handling to nv50_evo.c Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index a541f5bff75d..c8c8de0bbc77 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -20,7 +20,7 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \ nv40_grctx.o nv50_grctx.o \ nv84_crypt.o \ nv04_instmem.o nv50_instmem.o nvc0_instmem.o \ - nv50_crtc.o nv50_dac.o nv50_sor.o \ + nv50_evo.o nv50_crtc.o nv50_dac.o nv50_sor.o \ nv50_cursor.o nv50_display.o nv50_fbcon.o \ nv04_dac.o nv04_dfp.o nv04_tv.o nv17_tv.o nv17_tv_modes.o \ nv04_crtc.o nv04_display.o nv04_cursor.o nv04_fbcon.o \ diff --git a/drivers/gpu/drm/nouveau/nouveau_reg.h b/drivers/gpu/drm/nouveau/nouveau_reg.h index 5e28bc63c41e..d0ce86c24ebf 100644 --- a/drivers/gpu/drm/nouveau/nouveau_reg.h +++ b/drivers/gpu/drm/nouveau/nouveau_reg.h @@ -729,17 +729,17 @@ #define NV50_PDISPLAY_UNK30_CTRL_PENDING 0x80000000 #define NV50_PDISPLAY_TRAPPED_ADDR 0x00610080 #define NV50_PDISPLAY_TRAPPED_DATA 0x00610084 -#define NV50_PDISPLAY_CHANNEL_STAT(i) ((i) * 0x10 + 0x00610200) -#define NV50_PDISPLAY_CHANNEL_STAT_DMA 0x00000010 -#define NV50_PDISPLAY_CHANNEL_STAT_DMA_DISABLED 0x00000000 -#define NV50_PDISPLAY_CHANNEL_STAT_DMA_ENABLED 0x00000010 -#define NV50_PDISPLAY_CHANNEL_DMA_CB(i) ((i) * 0x10 + 0x00610204) -#define NV50_PDISPLAY_CHANNEL_DMA_CB_LOCATION 0x00000002 -#define NV50_PDISPLAY_CHANNEL_DMA_CB_LOCATION_VRAM 0x00000000 -#define NV50_PDISPLAY_CHANNEL_DMA_CB_LOCATION_SYSTEM 0x00000002 -#define NV50_PDISPLAY_CHANNEL_DMA_CB_VALID 0x00000001 -#define NV50_PDISPLAY_CHANNEL_UNK2(i) ((i) * 0x10 + 0x00610208) -#define NV50_PDISPLAY_CHANNEL_UNK3(i) ((i) * 0x10 + 0x0061020c) +#define NV50_PDISPLAY_EVO_CTRL(i) ((i) * 0x10 + 0x00610200) +#define NV50_PDISPLAY_EVO_CTRL_DMA 0x00000010 +#define NV50_PDISPLAY_EVO_CTRL_DMA_DISABLED 0x00000000 +#define NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED 0x00000010 +#define NV50_PDISPLAY_EVO_DMA_CB(i) ((i) * 0x10 + 0x00610204) +#define NV50_PDISPLAY_EVO_DMA_CB_LOCATION 0x00000002 +#define NV50_PDISPLAY_EVO_DMA_CB_LOCATION_VRAM 0x00000000 +#define NV50_PDISPLAY_EVO_DMA_CB_LOCATION_SYSTEM 0x00000002 +#define NV50_PDISPLAY_EVO_DMA_CB_VALID 0x00000001 +#define NV50_PDISPLAY_EVO_UNK2(i) ((i) * 0x10 + 0x00610208) +#define NV50_PDISPLAY_EVO_HASH_TAG(i) ((i) * 0x10 + 0x0061020c) #define NV50_PDISPLAY_CURSOR 0x00610270 #define NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i) ((i) * 0x10 + 0x00610270) diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 7c9c7c5bf22a..db100a8f231e 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -46,159 +46,6 @@ nv50_sor_nr(struct drm_device *dev) 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) { @@ -214,12 +61,10 @@ 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; + struct nouveau_channel *evo; int ret, i; - u64 start; u32 val; NV_DEBUG_KMS(dev, "\n"); @@ -303,7 +148,6 @@ nv50_display_init(struct drm_device *dev) } } - nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9); nv_wr32(dev, NV50_PDISPLAY_PIO_CTRL, 0x00000000); nv_wr32(dev, 0x610028, 0x00000000); nv_mask(dev, NV50_PDISPLAY_INTR_0, 0x00000000, 0x00000000); @@ -323,69 +167,12 @@ nv50_display_init(struct drm_device *dev) pgpio->irq_enable(dev, conn->dcb->gpio_tag, true); } - /* 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_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; - } - - /* 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); - - /* enable error reporting on the channel */ - nv_mask(dev, 0x610028, 0x00000000, 0x00010001 << 0); - - 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); + ret = nv50_evo_init(dev); if (ret) return ret; + evo = dev_priv->evo; - for (i = 0; i < NOUVEAU_DMA_SKIPS; i++) - OUT_RING(evo, 0); + nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9); ret = RING_SPACE(evo, 11); if (ret) @@ -449,12 +236,7 @@ static int nv50_display_disable(struct drm_device *dev) } } - nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 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))); - } + nv50_evo_fini(dev); for (i = 0; i < 3; i++) { if (!nv_wait(dev, NV50_PDISPLAY_SOR_DPMS_STATE(i), @@ -504,13 +286,6 @@ int nv50_display_create(struct drm_device *dev) 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); @@ -565,14 +340,11 @@ int nv50_display_create(struct drm_device *dev) 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 diff --git a/drivers/gpu/drm/nouveau/nv50_evo.c b/drivers/gpu/drm/nouveau/nv50_evo.c new file mode 100644 index 000000000000..211f5fb1dc73 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nv50_evo.c @@ -0,0 +1,295 @@ +/* + * Copyright 2010 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include "drmP.h" + +#include "nouveau_drv.h" +#include "nouveau_dma.h" +#include "nouveau_ramht.h" + +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); +} + +int +nv50_evo_dmaobj_new(struct nouveau_channel *evo, u32 class, u32 name, + u32 tile_flags, u32 magic_flags, u32 offset, u32 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; +} + +static int +nv50_evo_channel_init(struct nouveau_channel *evo) +{ + struct drm_nouveau_private *dev_priv = evo->dev->dev_private; + struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer; + struct drm_device *dev = evo->dev; + int ret, i; + u64 start; + u32 tmp; + + /* 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_EVO_CTRL(0), 0x2b00); + while ((tmp = nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(0))) & 0x1e0000) { + if ((tmp & 0x9f0000) == 0x20000) + nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), tmp | 0x800000); + + if ((tmp & 0x3f0000) == 0x30000) + nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), tmp | 0x200000); + + if (ptimer->read(dev) - start > 1000000000ULL) { + NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) != 0\n"); + NV_ERROR(dev, "0x610200 = 0x%08x\n", tmp); + return -EBUSY; + } + } + + nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), 0x1000b03); + if (!nv_wait(dev, NV50_PDISPLAY_EVO_CTRL(0), + 0x40000000, 0x40000000)) { + NV_ERROR(dev, "timeout: (0x610200 & 0x40000000) == 0x40000000\n"); + NV_ERROR(dev, "0x610200 = 0x%08x\n", + nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(0))); + return -EBUSY; + } + + /* initialise fifo */ + nv_wr32(dev, NV50_PDISPLAY_EVO_DMA_CB(0), + ((evo->pushbuf_bo->bo.mem.start << PAGE_SHIFT) >> 8) | + NV50_PDISPLAY_EVO_DMA_CB_LOCATION_VRAM | + NV50_PDISPLAY_EVO_DMA_CB_VALID); + nv_wr32(dev, NV50_PDISPLAY_EVO_UNK2(0), 0x00010000); + nv_wr32(dev, NV50_PDISPLAY_EVO_HASH_TAG(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_EVO_CTRL(0), + (nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(0)) & ~0x00000003) | + NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED); + nv_wr32(dev, NV50_PDISPLAY_USER_PUT(0), 0); + nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), 0x01000003 | + NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED); + + /* enable error reporting on the channel */ + nv_mask(dev, 0x610028, 0x00000000, 0x00010001 << 0); + + 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); + + return 0; +} + +static void +nv50_evo_channel_fini(struct nouveau_channel *evo) +{ + struct drm_device *dev = evo->dev; + + nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), 0); + if (!nv_wait(dev, NV50_PDISPLAY_EVO_CTRL(0), 0x1e0000, 0)) { + NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) == 0\n"); + NV_ERROR(dev, "0x610200 = 0x%08x\n", + nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(0))); + } +} + +int +nv50_evo_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + int ret; + + if (!dev_priv->evo) { + ret = nv50_evo_channel_new(dev, &dev_priv->evo); + if (ret) + return ret; + } + + return nv50_evo_channel_init(dev_priv->evo); +} + +void +nv50_evo_fini(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + if (dev_priv->evo) { + nv50_evo_channel_fini(dev_priv->evo); + nv50_evo_channel_del(&dev_priv->evo); + } +} diff --git a/drivers/gpu/drm/nouveau/nv50_evo.h b/drivers/gpu/drm/nouveau/nv50_evo.h index aae13343bcec..aa4f0d3cea8e 100644 --- a/drivers/gpu/drm/nouveau/nv50_evo.h +++ b/drivers/gpu/drm/nouveau/nv50_evo.h @@ -24,6 +24,15 @@ * */ +#ifndef __NV50_EVO_H__ +#define __NV50_EVO_H__ + +int nv50_evo_init(struct drm_device *dev); +void nv50_evo_fini(struct drm_device *dev); +int nv50_evo_dmaobj_new(struct nouveau_channel *, u32 class, u32 name, + u32 tile_flags, u32 magic_flags, + u32 offset, u32 limit); + #define NV50_EVO_UPDATE 0x00000080 #define NV50_EVO_UNK84 0x00000084 #define NV50_EVO_UNK84_NOTIFY 0x40000000 @@ -111,3 +120,4 @@ #define NV50_EVO_CRTC_SCALE_RES1 0x000008d8 #define NV50_EVO_CRTC_SCALE_RES2 0x000008dc +#endif