diff options
Diffstat (limited to 'drivers/gpu/drm/i830')
| -rw-r--r-- | drivers/gpu/drm/i830/Makefile | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/i830/i830_dma.c | 1560 | ||||
| -rw-r--r-- | drivers/gpu/drm/i830/i830_drv.c | 107 | ||||
| -rw-r--r-- | drivers/gpu/drm/i830/i830_drv.h | 295 | ||||
| -rw-r--r-- | drivers/gpu/drm/i830/i830_irq.c | 186 |
5 files changed, 0 insertions, 2156 deletions
diff --git a/drivers/gpu/drm/i830/Makefile b/drivers/gpu/drm/i830/Makefile deleted file mode 100644 index c642ee0b238..00000000000 --- a/drivers/gpu/drm/i830/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# Makefile for the drm device driver. This driver provides support for the -# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. - -ccflags-y := -Iinclude/drm -i830-y := i830_drv.o i830_dma.o i830_irq.o - -obj-$(CONFIG_DRM_I830) += i830.o diff --git a/drivers/gpu/drm/i830/i830_dma.c b/drivers/gpu/drm/i830/i830_dma.c deleted file mode 100644 index ca6f31ff0ee..00000000000 --- a/drivers/gpu/drm/i830/i830_dma.c +++ /dev/null @@ -1,1560 +0,0 @@ -/* i830_dma.c -- DMA support for the I830 -*- linux-c -*- - * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * 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 - * PRECISION INSIGHT 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: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * Keith Whitwell <keith@tungstengraphics.com> - * Abraham vd Merwe <abraham@2d3d.co.za> - * - */ - -#include "drmP.h" -#include "drm.h" -#include "i830_drm.h" -#include "i830_drv.h" -#include <linux/interrupt.h> /* For task queue support */ -#include <linux/smp_lock.h> -#include <linux/pagemap.h> -#include <linux/delay.h> -#include <linux/slab.h> -#include <asm/uaccess.h> - -#define I830_BUF_FREE 2 -#define I830_BUF_CLIENT 1 -#define I830_BUF_HARDWARE 0 - -#define I830_BUF_UNMAPPED 0 -#define I830_BUF_MAPPED 1 - -static struct drm_buf *i830_freelist_get(struct drm_device * dev) -{ - struct drm_device_dma *dma = dev->dma; - int i; - int used; - - /* Linear search might not be the best solution */ - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_i830_buf_priv_t *buf_priv = buf->dev_private; - /* In use is already a pointer */ - used = cmpxchg(buf_priv->in_use, I830_BUF_FREE, - I830_BUF_CLIENT); - if (used == I830_BUF_FREE) - return buf; - } - return NULL; -} - -/* This should only be called if the buffer is not sent to the hardware - * yet, the hardware updates in use for us once its on the ring buffer. - */ - -static int i830_freelist_put(struct drm_device *dev, struct drm_buf *buf) -{ - drm_i830_buf_priv_t *buf_priv = buf->dev_private; - int used; - - /* In use is already a pointer */ - used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, I830_BUF_FREE); - if (used != I830_BUF_CLIENT) { - DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx); - return -EINVAL; - } - - return 0; -} - -static int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma) -{ - struct drm_file *priv = filp->private_data; - struct drm_device *dev; - drm_i830_private_t *dev_priv; - struct drm_buf *buf; - drm_i830_buf_priv_t *buf_priv; - - lock_kernel(); - dev = priv->minor->dev; - dev_priv = dev->dev_private; - buf = dev_priv->mmap_buffer; - buf_priv = buf->dev_private; - - vma->vm_flags |= (VM_IO | VM_DONTCOPY); - vma->vm_file = filp; - - buf_priv->currently_mapped = I830_BUF_MAPPED; - unlock_kernel(); - - if (io_remap_pfn_range(vma, vma->vm_start, - vma->vm_pgoff, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) - return -EAGAIN; - return 0; -} - -static const struct file_operations i830_buffer_fops = { - .open = drm_open, - .release = drm_release, - .unlocked_ioctl = i830_ioctl, - .mmap = i830_mmap_buffers, - .fasync = drm_fasync, - .llseek = noop_llseek, -}; - -static int i830_map_buffer(struct drm_buf *buf, struct drm_file *file_priv) -{ - struct drm_device *dev = file_priv->minor->dev; - drm_i830_buf_priv_t *buf_priv = buf->dev_private; - drm_i830_private_t *dev_priv = dev->dev_private; - const struct file_operations *old_fops; - unsigned long virtual; - int retcode = 0; - - if (buf_priv->currently_mapped == I830_BUF_MAPPED) - return -EINVAL; - - down_write(¤t->mm->mmap_sem); - old_fops = file_priv->filp->f_op; - file_priv->filp->f_op = &i830_buffer_fops; - dev_priv->mmap_buffer = buf; - virtual = do_mmap(file_priv->filp, 0, buf->total, PROT_READ | PROT_WRITE, - MAP_SHARED, buf->bus_address); - dev_priv->mmap_buffer = NULL; - file_priv->filp->f_op = old_fops; - if (IS_ERR((void *)virtual)) { /* ugh */ - /* Real error */ - DRM_ERROR("mmap error\n"); - retcode = PTR_ERR((void *)virtual); - buf_priv->virtual = NULL; - } else { - buf_priv->virtual = (void __user *)virtual; - } - up_write(¤t->mm->mmap_sem); - - return retcode; -} - -static int i830_unmap_buffer(struct drm_buf *buf) -{ - drm_i830_buf_priv_t *buf_priv = buf->dev_private; - int retcode = 0; - - if (buf_priv->currently_mapped != I830_BUF_MAPPED) - return -EINVAL; - - down_write(¤t->mm->mmap_sem); - retcode = do_munmap(current->mm, - (unsigned long)buf_priv->virtual, - (size_t) buf->total); - up_write(¤t->mm->mmap_sem); - - buf_priv->currently_mapped = I830_BUF_UNMAPPED; - buf_priv->virtual = NULL; - - return retcode; -} - -static int i830_dma_get_buffer(struct drm_device *dev, drm_i830_dma_t *d, - struct drm_file *file_priv) -{ - struct drm_buf *buf; - drm_i830_buf_priv_t *buf_priv; - int retcode = 0; - - buf = i830_freelist_get(dev); - if (!buf) { - retcode = -ENOMEM; - DRM_DEBUG("retcode=%d\n", retcode); - return retcode; - } - - retcode = i830_map_buffer(buf, file_priv); - if (retcode) { - i830_freelist_put(dev, buf); - DRM_ERROR("mapbuf failed, retcode %d\n", retcode); - return retcode; - } - buf->file_priv = file_priv; - buf_priv = buf->dev_private; - d->granted = 1; - d->request_idx = buf->idx; - d->request_size = buf->total; - d->virtual = buf_priv->virtual; - - return retcode; -} - -static int i830_dma_cleanup(struct drm_device *dev) -{ - struct drm_device_dma *dma = dev->dma; - - /* Make sure interrupts are disabled here because the uninstall ioctl - * may not have been called from userspace and after dev_private - * is freed, it's too late. - */ - if (dev->irq_enabled) - drm_irq_uninstall(dev); - - if (dev->dev_private) { - int i; - drm_i830_private_t *dev_priv = - (drm_i830_private_t *) dev->dev_private; - - if (dev_priv->ring.virtual_start) - drm_core_ioremapfree(&dev_priv->ring.map, dev); - if (dev_priv->hw_status_page) { - pci_free_consistent(dev->pdev, PAGE_SIZE, - dev_priv->hw_status_page, - dev_priv->dma_status_page); - /* Need to rewrite hardware status page */ - I830_WRITE(0x02080, 0x1ffff000); - } - - kfree(dev->dev_private); - dev->dev_private = NULL; - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_i830_buf_priv_t *buf_priv = buf->dev_private; - if (buf_priv->kernel_virtual && buf->total) - drm_core_ioremapfree(&buf_priv->map, dev); - } - } - return 0; -} - -int i830_wait_ring(struct drm_device *dev, int n, const char *caller) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_ring_buffer_t *ring = &(dev_priv->ring); - int iters = 0; - unsigned long end; - unsigned int last_head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - - end = jiffies + (HZ * 3); - while (ring->space < n) { - ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - ring->space = ring->head - (ring->tail + 8); - if (ring->space < 0) - ring->space += ring->Size; - - if (ring->head != last_head) { - end = jiffies + (HZ * 3); - last_head = ring->head; - } - - iters++; - if (time_before(end, jiffies)) { - DRM_ERROR("space: %d wanted %d\n", ring->space, n); - DRM_ERROR("lockup\n"); - goto out_wait_ring; - } - udelay(1); - dev_priv->sarea_priv->perf_boxes |= I830_BOX_WAIT; - } - -out_wait_ring: - return iters; -} - -static void i830_kernel_lost_context(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_ring_buffer_t *ring = &(dev_priv->ring); - - ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - ring->tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR; - ring->space = ring->head - (ring->tail + 8); - if (ring->space < 0) - ring->space += ring->Size; - - if (ring->head == ring->tail) - dev_priv->sarea_priv->perf_boxes |= I830_BOX_RING_EMPTY; -} - -static int i830_freelist_init(struct drm_device *dev, drm_i830_private_t *dev_priv) -{ - struct drm_device_dma *dma = dev->dma; - int my_idx = 36; - u32 *hw_status = (u32 *) (dev_priv->hw_status_page + my_idx); - int i; - - if (dma->buf_count > 1019) { - /* Not enough space in the status page for the freelist */ - return -EINVAL; - } - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_i830_buf_priv_t *buf_priv = buf->dev_private; - - buf_priv->in_use = hw_status++; - buf_priv->my_use_idx = my_idx; - my_idx += 4; - - *buf_priv->in_use = I830_BUF_FREE; - - buf_priv->map.offset = buf->bus_address; - buf_priv->map.size = buf->total; - buf_priv->map.type = _DRM_AGP; - buf_priv->map.flags = 0; - buf_priv->map.mtrr = 0; - - drm_core_ioremap(&buf_priv->map, dev); - buf_priv->kernel_virtual = buf_priv->map.handle; - } - return 0; -} - -static int i830_dma_initialize(struct drm_device *dev, - drm_i830_private_t *dev_priv, - drm_i830_init_t *init) -{ - struct drm_map_list *r_list; - - memset(dev_priv, 0, sizeof(drm_i830_private_t)); - - list_for_each_entry(r_list, &dev->maplist, head) { - if (r_list->map && - r_list->map->type == _DRM_SHM && - r_list->map->flags & _DRM_CONTAINS_LOCK) { - dev_priv->sarea_map = r_list->map; - break; - } - } - - if (!dev_priv->sarea_map) { - dev->dev_private = (void *)dev_priv; - i830_dma_cleanup(dev); - DRM_ERROR("can not find sarea!\n"); - return -EINVAL; - } - dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); - if (!dev_priv->mmio_map) { - dev->dev_private = (void *)dev_priv; - i830_dma_cleanup(dev); - DRM_ERROR("can not find mmio map!\n"); - return -EINVAL; - } - dev->agp_buffer_token = init->buffers_offset; - dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); - if (!dev->agp_buffer_map) { - dev->dev_private = (void *)dev_priv; - i830_dma_cleanup(dev); - DRM_ERROR("can not find dma buffer map!\n"); - return -EINVAL; - } - - dev_priv->sarea_priv = (drm_i830_sarea_t *) - ((u8 *) dev_priv->sarea_map->handle + init->sarea_priv_offset); - - dev_priv->ring.Start = init->ring_start; - dev_priv->ring.End = init->ring_end; - dev_priv->ring.Size = init->ring_size; - - dev_priv->ring.map.offset = dev->agp->base + init->ring_start; - dev_priv->ring.map.size = init->ring_size; - dev_priv->ring.map.type = _DRM_AGP; - dev_priv->ring.map.flags = 0; - dev_priv->ring.map.mtrr = 0; - - drm_core_ioremap(&dev_priv->ring.map, dev); - - if (dev_priv->ring.map.handle == NULL) { - dev->dev_private = (void *)dev_priv; - i830_dma_cleanup(dev); - DRM_ERROR("can not ioremap virtual address for" - " ring buffer\n"); - return -ENOMEM; - } - - dev_priv->ring.virtual_start = dev_priv->ring.map.handle; - - dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; - - dev_priv->w = init->w; - dev_priv->h = init->h; - dev_priv->pitch = init->pitch; - dev_priv->back_offset = init->back_offset; - dev_priv->depth_offset = init->depth_offset; - dev_priv->front_offset = init->front_offset; - - dev_priv->front_di1 = init->front_offset | init->pitch_bits; - dev_priv->back_di1 = init->back_offset | init->pitch_bits; - dev_priv->zi1 = init->depth_offset | init->pitch_bits; - - DRM_DEBUG("front_di1 %x\n", dev_priv->front_di1); - DRM_DEBUG("back_offset %x\n", dev_priv->back_offset); - DRM_DEBUG("back_di1 %x\n", dev_priv->back_di1); - DRM_DEBUG("pitch_bits %x\n", init->pitch_bits); - - dev_priv->cpp = init->cpp; - /* We are using separate values as placeholders for mechanisms for - * private backbuffer/depthbuffer usage. - */ - - dev_priv->back_pitch = init->back_pitch; - dev_priv->depth_pitch = init->depth_pitch; - dev_priv->do_boxes = 0; - dev_priv->use_mi_batchbuffer_start = 0; - - /* Program Hardware Status Page */ - dev_priv->hw_status_page = - pci_alloc_consistent(dev->pdev, PAGE_SIZE, - &dev_priv->dma_status_page); - if (!dev_priv->hw_status_page) { - dev->dev_private = (void *)dev_priv; - i830_dma_cleanup(dev); - DRM_ERROR("Can not allocate hardware status page\n"); - return -ENOMEM; - } - memset(dev_priv->hw_status_page, 0, PAGE_SIZE); - DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); - - I830_WRITE(0x02080, dev_priv->dma_status_page); - DRM_DEBUG("Enabled hardware status page\n"); - - /* Now we need to init our freelist */ - if (i830_freelist_init(dev, dev_priv) != 0) { - dev->dev_private = (void *)dev_priv; - i830_dma_cleanup(dev); - DRM_ERROR("Not enough space in the status page for" - " the freelist\n"); - return -ENOMEM; - } - dev->dev_private = (void *)dev_priv; - - return 0; -} - -static int i830_dma_init(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i830_private_t *dev_priv; - drm_i830_init_t *init = data; - int retcode = 0; - - switch (init->func) { - case I830_INIT_DMA: - dev_priv = kmalloc(sizeof(drm_i830_private_t), GFP_KERNEL); - if (dev_priv == NULL) - return -ENOMEM; - retcode = i830_dma_initialize(dev, dev_priv, init); - break; - case I830_CLEANUP_DMA: - retcode = i830_dma_cleanup(dev); - break; - default: - retcode = -EINVAL; - break; - } - - return retcode; -} - -#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) -#define ST1_ENABLE (1<<16) -#define ST1_MASK (0xffff) - -/* Most efficient way to verify state for the i830 is as it is - * emitted. Non-conformant state is silently dropped. - */ -static void i830EmitContextVerified(struct drm_device *dev, unsigned int *code) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - int i, j = 0; - unsigned int tmp; - RING_LOCALS; - - BEGIN_LP_RING(I830_CTX_SETUP_SIZE + 4); - - for (i = 0; i < I830_CTXREG_BLENDCOLR0; i++) { - tmp = code[i]; - if ((tmp & (7 << 29)) == CMD_3D && - (tmp & (0x1f << 24)) < (0x1d << 24)) { - OUT_RING(tmp); - j++; - } else { - DRM_ERROR("Skipping %d\n", i); - } - } - - OUT_RING(STATE3D_CONST_BLEND_COLOR_CMD); - OUT_RING(code[I830_CTXREG_BLENDCOLR]); - j += 2; - - for (i = I830_CTXREG_VF; i < I830_CTXREG_MCSB0; i++) { - tmp = code[i]; - if ((tmp & (7 << 29)) == CMD_3D && - (tmp & (0x1f << 24)) < (0x1d << 24)) { - OUT_RING(tmp); - j++; - } else { - DRM_ERROR("Skipping %d\n", i); - } - } - - OUT_RING(STATE3D_MAP_COORD_SETBIND_CMD); - OUT_RING(code[I830_CTXREG_MCSB1]); - j += 2; - - if (j & 1) - OUT_RING(0); - - ADVANCE_LP_RING(); -} - -static void i830EmitTexVerified(struct drm_device *dev, unsigned int *code) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - int i, j = 0; - unsigned int tmp; - RING_LOCALS; - - if (code[I830_TEXREG_MI0] == GFX_OP_MAP_INFO || - (code[I830_TEXREG_MI0] & ~(0xf * LOAD_TEXTURE_MAP0)) == - (STATE3D_LOAD_STATE_IMMEDIATE_2 | 4)) { - - BEGIN_LP_RING(I830_TEX_SETUP_SIZE); - - OUT_RING(code[I830_TEXREG_MI0]); /* TM0LI */ - OUT_RING(code[I830_TEXREG_MI1]); /* TM0S0 */ - OUT_RING(code[I830_TEXREG_MI2]); /* TM0S1 */ - OUT_RING(code[I830_TEXREG_MI3]); /* TM0S2 */ - OUT_RING(code[I830_TEXREG_MI4]); /* TM0S3 */ - OUT_RING(code[I830_TEXREG_MI5]); /* TM0S4 */ - - for (i = 6; i < I830_TEX_SETUP_SIZE; i++) { - tmp = code[i]; - OUT_RING(tmp); - j++; - } - - if (j & 1) - OUT_RING(0); - - ADVANCE_LP_RING(); - } else - printk("rejected packet %x\n", code[0]); -} - -static void i830EmitTexBlendVerified(struct drm_device *dev, - unsigned int *code, unsigned int num) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - int i, j = 0; - unsigned int tmp; - RING_LOCALS; - - if (!num) - return; - - BEGIN_LP_RING(num + 1); - - for (i = 0; i < num; i++) { - tmp = code[i]; - OUT_RING(tmp); - j++; - } - - if (j & 1) - OUT_RING(0); - - ADVANCE_LP_RING(); -} - -static void i830EmitTexPalette(struct drm_device *dev, - unsigned int *palette, int number, int is_shared) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - int i; - RING_LOCALS; - - return; - - BEGIN_LP_RING(258); - - if (is_shared == 1) { - OUT_RING(CMD_OP_MAP_PALETTE_LOAD | - MAP_PALETTE_NUM(0) | MAP_PALETTE_BOTH); - } else { - OUT_RING(CMD_OP_MAP_PALETTE_LOAD | MAP_PALETTE_NUM(number)); - } - for (i = 0; i < 256; i++) - OUT_RING(palette[i]); - OUT_RING(0); - /* KW: WHERE IS THE ADVANCE_LP_RING? This is effectively a noop! - */ -} - -/* Need to do some additional checking when setting the dest buffer. - */ -static void i830EmitDestVerified(struct drm_device *dev, unsigned int *code) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - unsigned int tmp; - RING_LOCALS; - - BEGIN_LP_RING(I830_DEST_SETUP_SIZE + 10); - - tmp = code[I830_DESTREG_CBUFADDR]; - if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) { - if (((int)outring) & 8) { - OUT_RING(0); - OUT_RING(0); - } - - OUT_RING(CMD_OP_DESTBUFFER_INFO); - OUT_RING(BUF_3D_ID_COLOR_BACK | - BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) | - BUF_3D_USE_FENCE); - OUT_RING(tmp); - OUT_RING(0); - - OUT_RING(CMD_OP_DESTBUFFER_INFO); - OUT_RING(BUF_3D_ID_DEPTH | BUF_3D_USE_FENCE | - BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp)); - OUT_RING(dev_priv->zi1); - OUT_RING(0); - } else { - DRM_ERROR("bad di1 %x (allow %x or %x)\n", - tmp, dev_priv->front_di1, dev_priv->back_di1); - } - - /* invarient: - */ - - OUT_RING(GFX_OP_DESTBUFFER_VARS); - OUT_RING(code[I830_DESTREG_DV1]); - - OUT_RING(GFX_OP_DRAWRECT_INFO); - OUT_RING(code[I830_DESTREG_DR1]); - OUT_RING(code[I830_DESTREG_DR2]); - OUT_RING(code[I830_DESTREG_DR3]); - OUT_RING(code[I830_DESTREG_DR4]); - - /* Need to verify this */ - tmp = code[I830_DESTREG_SENABLE]; - if ((tmp & ~0x3) == GFX_OP_SCISSOR_ENABLE) { - OUT_RING(tmp); - } else { - DRM_ERROR("bad scissor enable\n"); - OUT_RING(0); - } - - OUT_RING(GFX_OP_SCISSOR_RECT); - OUT_RING(code[I830_DESTREG_SR1]); - OUT_RING(code[I830_DESTREG_SR2]); - OUT_RING(0); - - ADVANCE_LP_RING(); -} - -static void i830EmitStippleVerified(struct drm_device *dev, unsigned int *code) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - RING_LOCALS; - - BEGIN_LP_RING(2); - OUT_RING(GFX_OP_STIPPLE); - OUT_RING(code[1]); - ADVANCE_LP_RING(); -} - -static void i830EmitState(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int dirty = sarea_priv->dirty; - - DRM_DEBUG("%s %x\n", __func__, dirty); - - if (dirty & I830_UPLOAD_BUFFERS) { - i830EmitDestVerified(dev, sarea_priv->BufferState); - sarea_priv->dirty &= ~I830_UPLOAD_BUFFERS; - } - - if (dirty & I830_UPLOAD_CTX) { - i830EmitContextVerified(dev, sarea_priv->ContextState); - sarea_priv->dirty &= ~I830_UPLOAD_CTX; - } - - if (dirty & I830_UPLOAD_TEX0) { - i830EmitTexVerified(dev, sarea_priv->TexState[0]); - sarea_priv->dirty &= ~I830_UPLOAD_TEX0; - } - - if (dirty & I830_UPLOAD_TEX1) { - i830EmitTexVerified(dev, sarea_priv->TexState[1]); - sarea_priv->dirty &= ~I830_UPLOAD_TEX1; - } - - if (dirty & I830_UPLOAD_TEXBLEND0) { - i830EmitTexBlendVerified(dev, sarea_priv->TexBlendState[0], - sarea_priv->TexBlendStateWordsUsed[0]); - sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND0; - } - - if (dirty & I830_UPLOAD_TEXBLEND1) { - i830EmitTexBlendVerified(dev, sarea_priv->TexBlendState[1], - sarea_priv->TexBlendStateWordsUsed[1]); - sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND1; - } - - if (dirty & I830_UPLOAD_TEX_PALETTE_SHARED) { - i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 1); - } else { - if (dirty & I830_UPLOAD_TEX_PALETTE_N(0)) { - i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 0); - sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(0); - } - if (dirty & I830_UPLOAD_TEX_PALETTE_N(1)) { - i830EmitTexPalette(dev, sarea_priv->Palette[1], 1, 0); - sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(1); - } - - /* 1.3: - */ -#if 0 - if (dirty & I830_UPLOAD_TEX_PALETTE_N(2)) { - i830EmitTexPalette(dev, sarea_priv->Palette2[0], 0, 0); - sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2); - } - if (dirty & I830_UPLOAD_TEX_PALETTE_N(3)) { - i830EmitTexPalette(dev, sarea_priv->Palette2[1], 1, 0); - sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2); - } -#endif - } - - /* 1.3: - */ - if (dirty & I830_UPLOAD_STIPPLE) { - i830EmitStippleVerified(dev, sarea_priv->StippleState); - sarea_priv->dirty &= ~I830_UPLOAD_STIPPLE; - } - - if (dirty & I830_UPLOAD_TEX2) { - i830EmitTexVerified(dev, sarea_priv->TexState2); - sarea_priv->dirty &= ~I830_UPLOAD_TEX2; - } - - if (dirty & I830_UPLOAD_TEX3) { - i830EmitTexVerified(dev, sarea_priv->TexState3); - sarea_priv->dirty &= ~I830_UPLOAD_TEX3; - } - - if (dirty & I830_UPLOAD_TEXBLEND2) { - i830EmitTexBlendVerified(dev, - sarea_priv->TexBlendState2, - sarea_priv->TexBlendStateWordsUsed2); - - sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND2; - } - - if (dirty & I830_UPLOAD_TEXBLEND3) { - i830EmitTexBlendVerified(dev, - sarea_priv->TexBlendState3, - sarea_priv->TexBlendStateWordsUsed3); - sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND3; - } -} - -/* ================================================================ - * Performance monitoring functions - */ - -static void i830_fill_box(struct drm_device *dev, - int x, int y, int w, int h, int r, int g, int b) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - u32 color; - unsigned int BR13, CMD; - RING_LOCALS; - - BR13 = (0xF0 << 16) | (dev_priv->pitch * dev_priv->cpp) | (1 << 24); - CMD = XY_COLOR_BLT_CMD; - x += dev_priv->sarea_priv->boxes[0].x1; - y += dev_priv->sarea_priv->boxes[0].y1; - - if (dev_priv->cpp == 4) { - BR13 |= (1 << 25); - CMD |= (XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB); - color = (((0xff) << 24) | (r << 16) | (g << 8) | b); - } else { - color = (((r & 0xf8) << 8) | - ((g & 0xfc) << 3) | ((b & 0xf8) >> 3)); - } - - BEGIN_LP_RING(6); - OUT_RING(CMD); - OUT_RING(BR13); - OUT_RING((y << 16) | x); - OUT_RING(((y + h) << 16) | (x + w)); - - if (dev_priv->current_page == 1) - OUT_RING(dev_priv->front_offset); - else - OUT_RING(dev_priv->back_offset); - - OUT_RING(color); - ADVANCE_LP_RING(); -} - -static void i830_cp_performance_boxes(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - - /* Purple box for page flipping - */ - if (dev_priv->sarea_priv->perf_boxes & I830_BOX_FLIP) - i830_fill_box(dev, 4, 4, 8, 8, 255, 0, 255); - - /* Red box if we have to wait for idle at any point - */ - if (dev_priv->sarea_priv->perf_boxes & I830_BOX_WAIT) - i830_fill_box(dev, 16, 4, 8, 8, 255, 0, 0); - - /* Blue box: lost context? - */ - if (dev_priv->sarea_priv->perf_boxes & I830_BOX_LOST_CONTEXT) - i830_fill_box(dev, 28, 4, 8, 8, 0, 0, 255); - - /* Yellow box for texture swaps - */ - if (dev_priv->sarea_priv->perf_boxes & I830_BOX_TEXTURE_LOAD) - i830_fill_box(dev, 40, 4, 8, 8, 255, 255, 0); - - /* Green box if hardware never idles (as far as we can tell) - */ - if (!(dev_priv->sarea_priv->perf_boxes & I830_BOX_RING_EMPTY)) - i830_fill_box(dev, 64, 4, 8, 8, 0, 255, 0); - - /* Draw bars indicating number of buffers allocated - * (not a great measure, easily confused) - */ - if (dev_priv->dma_used) { - int bar = dev_priv->dma_used / 10240; - if (bar > 100) - bar = 100; - if (bar < 1) - bar = 1; - i830_fill_box(dev, 4, 16, bar, 4, 196, 128, 128); - dev_priv->dma_used = 0; - } - - dev_priv->sarea_priv->perf_boxes = 0; -} - -static void i830_dma_dispatch_clear(struct drm_device *dev, int flags, - unsigned int clear_color, - unsigned int clear_zval, - unsigned int clear_depthmask) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; - int nbox = sarea_priv->nbox; - struct drm_clip_rect *pbox = sarea_priv->boxes; - int pitch = dev_priv->pitch; - int cpp = dev_priv->cpp; - int i; - unsigned int BR13, CMD, D_CMD; - RING_LOCALS; - - if (dev_priv->current_page == 1) { - unsigned int tmp = flags; - - flags &= ~(I830_FRONT | I830_BACK); - if (tmp & I830_FRONT) - flags |= I830_BACK; - if (tmp & I830_BACK) - flags |= I830_FRONT; - } - - i830_kernel_lost_context(dev); - - switch (cpp) { - case 2: - BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24); - D_CMD = CMD = XY_COLOR_BLT_CMD; - break; - case 4: - BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24) | (1 << 25); - CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA | - XY_COLOR_BLT_WRITE_RGB); - D_CMD = XY_COLOR_BLT_CMD; - if (clear_depthmask & 0x00ffffff) - D_CMD |= XY_COLOR_BLT_WRITE_RGB; - if (clear_depthmask & 0xff000000) - D_CMD |= XY_COLOR_BLT_WRITE_ALPHA; - break; - default: - BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24); - D_CMD = CMD = XY_COLOR_BLT_CMD; - break; - } - - if (nbox > I830_NR_SAREA_CLIPRECTS) - nbox = I830_NR_SAREA_CLIPRECTS; - - for (i = 0; i < nbox; i++, pbox++) { - if (pbox->x1 > pbox->x2 || - pbox->y1 > pbox->y2 || - pbox->x2 > dev_priv->w || pbox->y2 > dev_priv->h) - continue; - - if (flags & I830_FRONT) { - DRM_DEBUG("clear front\n"); - BEGIN_LP_RING(6); - OUT_RING(CMD); - OUT_RING(BR13); - OUT_RING((pbox->y1 << 16) | pbox->x1); - OUT_RING((pbox->y2 << 16) | pbox->x2); - OUT_RING(dev_priv->front_offset); - OUT_RING(clear_color); - ADVANCE_LP_RING(); - } - - if (flags & I830_BACK) { - DRM_DEBUG("clear back\n"); - BEGIN_LP_RING(6); - OUT_RING(CMD); - OUT_RING(BR13); - OUT_RING((pbox->y1 << 16) | pbox->x1); - OUT_RING((pbox->y2 << 16) | pbox->x2); - OUT_RING(dev_priv->back_offset); - OUT_RING(clear_color); - ADVANCE_LP_RING(); - } - - if (flags & I830_DEPTH) { - DRM_DEBUG("clear depth\n"); - BEGIN_LP_RING(6); - OUT_RING(D_CMD); - OUT_RING(BR13); - OUT_RING((pbox->y1 << 16) | pbox->x1); - OUT_RING((pbox->y2 << 16) | pbox->x2); - OUT_RING(dev_priv->depth_offset); - OUT_RING(clear_zval); - ADVANCE_LP_RING(); - } - } -} - -static void i830_dma_dispatch_swap(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; - int nbox = sarea_priv->nbox; - struct drm_clip_rect *pbox = sarea_priv->boxes; - int pitch = dev_priv->pitch; - int cpp = dev_priv->cpp; - int i; - unsigned int CMD, BR13; - RING_LOCALS; - - DRM_DEBUG("swapbuffers\n"); - - i830_kernel_lost_context(dev); - - if (dev_priv->do_boxes) - i830_cp_performance_boxes(dev); - - switch (cpp) { - case 2: - BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24); - CMD = XY_SRC_COPY_BLT_CMD; - break; - case 4: - BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24) | (1 << 25); - CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | - XY_SRC_COPY_BLT_WRITE_RGB); - break; - default: - BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24); - CMD = XY_SRC_COPY_BLT_CMD; - break; - } - - if (nbox > I830_NR_SAREA_CLIPRECTS) - nbox = I830_NR_SAREA_CLIPRECTS; - - for (i = 0; i < nbox; i++, pbox++) { - if (pbox->x1 > pbox->x2 || - pbox->y1 > pbox->y2 || - pbox->x2 > dev_priv->w || pbox->y2 > dev_priv->h) - continue; - - DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n", - pbox->x1, pbox->y1, pbox->x2, pbox->y2); - - BEGIN_LP_RING(8); - OUT_RING(CMD); - OUT_RING(BR13); - OUT_RING((pbox->y1 << 16) | pbox->x1); - OUT_RING((pbox->y2 << 16) | pbox->x2); - - if (dev_priv->current_page == 0) - OUT_RING(dev_priv->front_offset); - else - OUT_RING(dev_priv->back_offset); - - OUT_RING((pbox->y1 << 16) | pbox->x1); - OUT_RING(BR13 & 0xffff); - - if (dev_priv->current_page == 0) - OUT_RING(dev_priv->back_offset); - else - OUT_RING(dev_priv->front_offset); - - ADVANCE_LP_RING(); - } -} - -static void i830_dma_dispatch_flip(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - RING_LOCALS; - - DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n", - __func__, - dev_priv->current_page, - dev_priv->sarea_priv->pf_current_page); - - i830_kernel_lost_context(dev); - - if (dev_priv->do_boxes) { - dev_priv->sarea_priv->perf_boxes |= I830_BOX_FLIP; - i830_cp_performance_boxes(dev); - } - - BEGIN_LP_RING(2); - OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE); - OUT_RING(0); - ADVANCE_LP_RING(); - - BEGIN_LP_RING(6); - OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP); - OUT_RING(0); - if (dev_priv->current_page == 0) { - OUT_RING(dev_priv->back_offset); - dev_priv->current_page = 1; - } else { - OUT_RING(dev_priv->front_offset); - dev_priv->current_page = 0; - } - OUT_RING(0); - ADVANCE_LP_RING(); - - BEGIN_LP_RING(2); - OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP); - OUT_RING(0); - ADVANCE_LP_RING(); - - dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; -} - -static void i830_dma_dispatch_vertex(struct drm_device *dev, - struct drm_buf *buf, int discard, int used) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_buf_priv_t *buf_priv = buf->dev_private; - drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; - struct drm_clip_rect *box = sarea_priv->boxes; - int nbox = sarea_priv->nbox; - unsigned long address = (unsigned long)buf->bus_address; - unsigned long start = address - dev->agp->base; - int i = 0, u; - RING_LOCALS; - - i830_kernel_lost_context(dev); - - if (nbox > I830_NR_SAREA_CLIPRECTS) - nbox = I830_NR_SAREA_CLIPRECTS; - - if (discard) { - u = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, - I830_BUF_HARDWARE); - if (u != I830_BUF_CLIENT) - DRM_DEBUG("xxxx 2\n"); - } - - if (used > 4 * 1023) - used = 0; - - if (sarea_priv->dirty) - i830EmitState(dev); - - DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n", - address, used, nbox); - - dev_priv->counter++; - DRM_DEBUG("dispatch counter : %ld\n", dev_priv->counter); - DRM_DEBUG("i830_dma_dispatch\n"); - DRM_DEBUG("start : %lx\n", start); - DRM_DEBUG("used : %d\n", used); - DRM_DEBUG("start + used - 4 : %ld\n", start + used - 4); - - if (buf_priv->currently_mapped == I830_BUF_MAPPED) { - u32 *vp = buf_priv->kernel_virtual; - - vp[0] = (GFX_OP_PRIMITIVE | - sarea_priv->vertex_prim | ((used / 4) - 2)); - - if (dev_priv->use_mi_batchbuffer_start) { - vp[used / 4] = MI_BATCH_BUFFER_END; - used += 4; - } - - if (used & 4) { - vp[used / 4] = 0; - used += 4; - } - - i830_unmap_buffer(buf); - } - - if (used) { - do { - if (i < nbox) { - BEGIN_LP_RING(6); - OUT_RING(GFX_OP_DRAWRECT_INFO); - OUT_RING(sarea_priv-> - BufferState[I830_DESTREG_DR1]); - OUT_RING(box[i].x1 | (box[i].y1 << 16)); - OUT_RING(box[i].x2 | (box[i].y2 << 16)); - OUT_RING(sarea_priv-> - BufferState[I830_DESTREG_DR4]); - OUT_RING(0); - ADVANCE_LP_RING(); - } - - if (dev_priv->use_mi_batchbuffer_start) { - BEGIN_LP_RING(2); - OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); - OUT_RING(start | MI_BATCH_NON_SECURE); - ADVANCE_LP_RING(); - } else { - BEGIN_LP_RING(4); - OUT_RING(MI_BATCH_BUFFER); - OUT_RING(start | MI_BATCH_NON_SECURE); - OUT_RING(start + used - 4); - OUT_RING(0); - ADVANCE_LP_RING(); - } - - } while (++i < nbox); - } - - if (discard) { - dev_priv->counter++; - - (void)cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, - I830_BUF_HARDWARE); - - BEGIN_LP_RING(8); - OUT_RING(CMD_STORE_DWORD_IDX); - OUT_RING(20); - OUT_RING(dev_priv->counter); - OUT_RING(CMD_STORE_DWORD_IDX); - OUT_RING(buf_priv->my_use_idx); - OUT_RING(I830_BUF_FREE); - OUT_RING(CMD_REPORT_HEAD); - OUT_RING(0); - ADVANCE_LP_RING(); - } -} - -static void i830_dma_quiescent(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - RING_LOCALS; - - i830_kernel_lost_context(dev); - - BEGIN_LP_RING(4); - OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE); - OUT_RING(CMD_REPORT_HEAD); - OUT_RING(0); - OUT_RING(0); - ADVANCE_LP_RING(); - - i830_wait_ring(dev, dev_priv->ring.Size - 8, __func__); -} - -static int i830_flush_queue(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - struct drm_device_dma *dma = dev->dma; - int i, ret = 0; - RING_LOCALS; - - i830_kernel_lost_context(dev); - - BEGIN_LP_RING(2); - OUT_RING(CMD_REPORT_HEAD); - OUT_RING(0); - ADVANCE_LP_RING(); - - i830_wait_ring(dev, dev_priv->ring.Size - 8, __func__); - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_i830_buf_priv_t *buf_priv = buf->dev_private; - - int used = cmpxchg(buf_priv->in_use, I830_BUF_HARDWARE, - I830_BUF_FREE); - - if (used == I830_BUF_HARDWARE) - DRM_DEBUG("reclaimed from HARDWARE\n"); - if (used == I830_BUF_CLIENT) - DRM_DEBUG("still on client\n"); - } - - return ret; -} - -/* Must be called with the lock held */ -static void i830_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - int i; - - if (!dma) - return; - if (!dev->dev_private) - return; - if (!dma->buflist) - return; - - i830_flush_queue(dev); - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_i830_buf_priv_t *buf_priv = buf->dev_private; - - if (buf->file_priv == file_priv && buf_priv) { - int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, - I830_BUF_FREE); - - if (used == I830_BUF_CLIENT) - DRM_DEBUG("reclaimed from client\n"); - if (buf_priv->currently_mapped == I830_BUF_MAPPED) - buf_priv->currently_mapped = I830_BUF_UNMAPPED; - } - } -} - -static int i830_flush_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - LOCK_TEST_WITH_RETURN(dev, file_priv); - - i830_flush_queue(dev); - return 0; -} - -static int i830_dma_vertex(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; - drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) - dev_priv->sarea_priv; - drm_i830_vertex_t *vertex = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n", - vertex->idx, vertex->used, vertex->discard); - - if (vertex->idx < 0 || vertex->idx > dma->buf_count) - return -EINVAL; - - i830_dma_dispatch_vertex(dev, - dma->buflist[vertex->idx], - vertex->discard, vertex->used); - - sarea_priv->last_enqueue = dev_priv->counter - 1; - sarea_priv->last_dispatch = (int)hw_status[5]; - - return 0; -} - -static int i830_clear_bufs(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i830_clear_t *clear = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - /* GH: Someone's doing nasty things... */ - if (!dev->dev_private) - return -EINVAL; - - i830_dma_dispatch_clear(dev, clear->flags, - clear->clear_color, - clear->clear_depth, clear->clear_depthmask); - return 0; -} - -static int i830_swap_bufs(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - DRM_DEBUG("i830_swap_bufs\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - i830_dma_dispatch_swap(dev); - return 0; -} - -/* Not sure why this isn't set all the time: - */ -static void i830_do_init_pageflip(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - - DRM_DEBUG("%s\n", __func__); - dev_priv->page_flipping = 1; - dev_priv->current_page = 0; - dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; -} - -static int i830_do_cleanup_pageflip(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - - DRM_DEBUG("%s\n", __func__); - if (dev_priv->current_page != 0) - i830_dma_dispatch_flip(dev); - - dev_priv->page_flipping = 0; - return 0; -} - -static int i830_flip_bufs(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - - DRM_DEBUG("%s\n", __func__); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - if (!dev_priv->page_flipping) - i830_do_init_pageflip(dev); - - i830_dma_dispatch_flip(dev); - return 0; -} - -static int i830_getage(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; - drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) - dev_priv->sarea_priv; - - sarea_priv->last_dispatch = (int)hw_status[5]; - return 0; -} - -static int i830_getbuf(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - int retcode = 0; - drm_i830_dma_t *d = data; - drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; - drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) - dev_priv->sarea_priv; - - DRM_DEBUG("getbuf\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - d->granted = 0; - - retcode = i830_dma_get_buffer(dev, d, file_priv); - - DRM_DEBUG("i830_dma: %d returning %d, granted = %d\n", - task_pid_nr(current), retcode, d->granted); - - sarea_priv->last_dispatch = (int)hw_status[5]; - - return retcode; -} - -static int i830_copybuf(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - /* Never copy - 2.4.x doesn't need it */ - return 0; -} - -static int i830_docopy(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - return 0; -} - -static int i830_getparam(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_getparam_t *param = data; - int value; - - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __func__); - return -EINVAL; - } - - switch (param->param) { - case I830_PARAM_IRQ_ACTIVE: - value = dev->irq_enabled; - break; - default: - return -EINVAL; - } - - if (copy_to_user(param->value, &value, sizeof(int))) { - DRM_ERROR("copy_to_user\n"); - return -EFAULT; - } - - return 0; -} - -static int i830_setparam(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_setparam_t *param = data; - - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __func__); - return -EINVAL; - } - - switch (param->param) { - case I830_SETPARAM_USE_MI_BATCHBUFFER_START: - dev_priv->use_mi_batchbuffer_start = param->value; - break; - default: - return -EINVAL; - } - - return 0; -} - -int i830_driver_load(struct drm_device *dev, unsigned long flags) -{ - /* i830 has 4 more counters */ - dev->counters += 4; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; - dev->types[9] = _DRM_STAT_DMA; - - return 0; -} - -void i830_driver_lastclose(struct drm_device *dev) -{ - i830_dma_cleanup(dev); -} - -void i830_driver_preclose(struct drm_device *dev, struct drm_file *file_priv) -{ - if (dev->dev_private) { - drm_i830_private_t *dev_priv = dev->dev_private; - if (dev_priv->page_flipping) - i830_do_cleanup_pageflip(dev); - } -} - -void i830_driver_reclaim_buffers_locked(struct drm_device *dev, struct drm_file *file_priv) -{ - i830_reclaim_buffers(dev, file_priv); -} - -int i830_driver_dma_quiescent(struct drm_device *dev) -{ - i830_dma_quiescent(dev); - return 0; -} - -/* - * call the drm_ioctl under the big kernel lock because - * to lock against the i830_mmap_buffers function. - */ -long i830_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -{ - int ret; - lock_kernel(); - ret = drm_ioctl(file, cmd, arg); - unlock_kernel(); - return ret; -} - -struct drm_ioctl_desc i830_ioctls[] = { - DRM_IOCTL_DEF_DRV(I830_INIT, i830_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_VERTEX, i830_dma_vertex, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_CLEAR, i830_clear_bufs, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_FLUSH, i830_flush_ioctl, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_GETAGE, i830_getage, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_GETBUF, i830_getbuf, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_SWAP, i830_swap_bufs, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_COPY, i830_copybuf, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_DOCOPY, i830_docopy, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_FLIP, i830_flip_bufs, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_IRQ_EMIT, i830_irq_emit, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_IRQ_WAIT, i830_irq_wait, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_GETPARAM, i830_getparam, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I830_SETPARAM, i830_setparam, DRM_AUTH|DRM_UNLOCKED), -}; - -int i830_max_ioctl = DRM_ARRAY_SIZE(i830_ioctls); - -/** - * Determine if the device really is AGP or not. - * - * All Intel graphics chipsets are treated as AGP, even if they are really - * PCI-e. - * - * \param dev The device to be tested. - * - * \returns - * A value of 1 is always retured to indictate every i8xx is AGP. - */ -int i830_driver_device_is_agp(struct drm_device *dev) -{ - return 1; -} diff --git a/drivers/gpu/drm/i830/i830_drv.c b/drivers/gpu/drm/i830/i830_drv.c deleted file mode 100644 index f655ab7977d..00000000000 --- a/drivers/gpu/drm/i830/i830_drv.c +++ /dev/null @@ -1,107 +0,0 @@ -/* i830_drv.c -- I810 driver -*- linux-c -*- - * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * 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 - * VA LINUX SYSTEMS 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: - * Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * Gareth Hughes <gareth@valinux.com> - * Abraham vd Merwe <abraham@2d3d.co.za> - * Keith Whitwell <keith@tungstengraphics.com> - */ - -#include "drmP.h" -#include "drm.h" -#include "i830_drm.h" -#include "i830_drv.h" - -#include "drm_pciids.h" - -static struct pci_device_id pciidlist[] = { - i830_PCI_IDS -}; - -static struct drm_driver driver = { - .driver_features = - DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | - DRIVER_HAVE_DMA | DRIVER_DMA_QUEUE, -#if USE_IRQS - .driver_features |= DRIVER_HAVE_IRQ | DRIVER_SHARED_IRQ, -#endif - .dev_priv_size = sizeof(drm_i830_buf_priv_t), - .load = i830_driver_load, - .lastclose = i830_driver_lastclose, - .preclose = i830_driver_preclose, - .device_is_agp = i830_driver_device_is_agp, - .reclaim_buffers_locked = i830_driver_reclaim_buffers_locked, - .dma_quiescent = i830_driver_dma_quiescent, -#if USE_IRQS - .irq_preinstall = i830_driver_irq_preinstall, - .irq_postinstall = i830_driver_irq_postinstall, - .irq_uninstall = i830_driver_irq_uninstall, - .irq_handler = i830_driver_irq_handler, -#endif - .ioctls = i830_ioctls, - .fops = { - .owner = THIS_MODULE, - .open = drm_open, - .release = drm_release, - .unlocked_ioctl = i830_ioctl, - .mmap = drm_mmap, - .poll = drm_poll, - .fasync = drm_fasync, - .llseek = noop_llseek, - }, - - .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - }, - - .name = DRIVER_NAME, - .desc = DRIVER_DESC, - .date = DRIVER_DATE, - .major = DRIVER_MAJOR, - .minor = DRIVER_MINOR, - .patchlevel = DRIVER_PATCHLEVEL, -}; - -static int __init i830_init(void) -{ - driver.num_ioctls = i830_max_ioctl; - return drm_init(&driver); -} - -static void __exit i830_exit(void) -{ - drm_exit(&driver); -} - -module_init(i830_init); -module_exit(i830_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/gpu/drm/i830/i830_drv.h b/drivers/gpu/drm/i830/i830_drv.h deleted file mode 100644 index 0df1c720560..00000000000 --- a/drivers/gpu/drm/i830/i830_drv.h +++ /dev/null @@ -1,295 +0,0 @@ -/* i830_drv.h -- Private header for the I830 driver -*- linux-c -*- - * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * 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 - * PRECISION INSIGHT 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: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * - */ - -#ifndef _I830_DRV_H_ -#define _I830_DRV_H_ - -/* General customization: - */ - -#define DRIVER_AUTHOR "VA Linux Systems Inc." - -#define DRIVER_NAME "i830" -#define DRIVER_DESC "Intel 830M" -#define DRIVER_DATE "20021108" - -/* Interface history: - * - * 1.1: Original. - * 1.2: ? - * 1.3: New irq emit/wait ioctls. - * New pageflip ioctl. - * New getparam ioctl. - * State for texunits 3&4 in sarea. - * New (alternative) layout for texture state. - */ -#define DRIVER_MAJOR 1 -#define DRIVER_MINOR 3 -#define DRIVER_PATCHLEVEL 2 - -/* Driver will work either way: IRQ's save cpu time when waiting for - * the card, but are subject to subtle interactions between bios, - * hardware and the driver. - */ -/* XXX: Add vblank support? */ -#define USE_IRQS 0 - -typedef struct drm_i830_buf_priv { - u32 *in_use; - int my_use_idx; - int currently_mapped; - void __user *virtual; - void *kernel_virtual; - drm_local_map_t map; -} drm_i830_buf_priv_t; - -typedef struct _drm_i830_ring_buffer { - int tail_mask; - unsigned long Start; - unsigned long End; - unsigned long Size; - u8 *virtual_start; - int head; - int tail; - int space; - drm_local_map_t map; -} drm_i830_ring_buffer_t; - -typedef struct drm_i830_private { - struct drm_local_map *sarea_map; - struct drm_local_map *mmio_map; - - drm_i830_sarea_t *sarea_priv; - drm_i830_ring_buffer_t ring; - - void *hw_status_page; - unsigned long counter; - - dma_addr_t dma_status_page; - - struct drm_buf *mmap_buffer; - - u32 front_di1, back_di1, zi1; - - int back_offset; - int depth_offset; - int front_offset; - int w, h; - int pitch; - int back_pitch; - int depth_pitch; - unsigned int cpp; - - int do_boxes; - int dma_used; - - int current_page; - int page_flipping; - - wait_queue_head_t irq_queue; - atomic_t irq_received; - atomic_t irq_emitted; - - int use_mi_batchbuffer_start; - -} drm_i830_private_t; - -long i830_ioctl(struct file *file, unsigned int cmd, unsigned long arg); -extern struct drm_ioctl_desc i830_ioctls[]; -extern int i830_max_ioctl; - -/* i830_irq.c */ -extern int i830_irq_emit(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int i830_irq_wait(struct drm_device *dev, void *data, - struct drm_file *file_priv); - -extern irqreturn_t i830_driver_irq_handler(DRM_IRQ_ARGS); -extern void i830_driver_irq_preinstall(struct drm_device *dev); -extern void i830_driver_irq_postinstall(struct drm_device *dev); -extern void i830_driver_irq_uninstall(struct drm_device *dev); -extern int i830_driver_load(struct drm_device *, unsigned long flags); -extern void i830_driver_preclose(struct drm_device *dev, - struct drm_file *file_priv); -extern void i830_driver_lastclose(struct drm_device *dev); -extern void i830_driver_reclaim_buffers_locked(struct drm_device *dev, - struct drm_file *file_priv); -extern int i830_driver_dma_quiescent(struct drm_device *dev); -extern int i830_driver_device_is_agp(struct drm_device *dev); - -#define I830_READ(reg) DRM_READ32(dev_priv->mmio_map, reg) -#define I830_WRITE(reg, val) DRM_WRITE32(dev_priv->mmio_map, reg, val) -#define I830_READ16(reg) DRM_READ16(dev_priv->mmio_map, reg) -#define I830_WRITE16(reg, val) DRM_WRITE16(dev_priv->mmio_map, reg, val) - -#define I830_VERBOSE 0 - -#define RING_LOCALS unsigned int outring, ringmask, outcount; \ - volatile char *virt; - -#define BEGIN_LP_RING(n) do { \ - if (I830_VERBOSE) \ - printk("BEGIN_LP_RING(%d)\n", (n)); \ - if (dev_priv->ring.space < n*4) \ - i830_wait_ring(dev, n*4, __func__); \ - outcount = 0; \ - outring = dev_priv->ring.tail; \ - ringmask = dev_priv->ring.tail_mask; \ - virt = dev_priv->ring.virtual_start; \ -} while (0) - -#define OUT_RING(n) do { \ - if (I830_VERBOSE) \ - printk(" OUT_RING %x\n", (int)(n)); \ - *(volatile unsigned int *)(virt + outring) = n; \ - outcount++; \ - outring += 4; \ - outring &= ringmask; \ -} while (0) - -#define ADVANCE_LP_RING() do { \ - if (I830_VERBOSE) \ - printk("ADVANCE_LP_RING %x\n", outring); \ - dev_priv->ring.tail = outring; \ - dev_priv->ring.space -= outcount * 4; \ - I830_WRITE(LP_RING + RING_TAIL, outring); \ -} while (0) - -extern int i830_wait_ring(struct drm_device *dev, int n, const char *caller); - -#define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23)) -#define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23)) -#define CMD_REPORT_HEAD (7<<23) -#define CMD_STORE_DWORD_IDX ((0x21<<23) | 0x1) -#define CMD_OP_BATCH_BUFFER ((0x0<<29)|(0x30<<23)|0x1) - -#define STATE3D_LOAD_STATE_IMMEDIATE_2 ((0x3<<29)|(0x1d<<24)|(0x03<<16)) -#define LOAD_TEXTURE_MAP0 (1<<11) - -#define INST_PARSER_CLIENT 0x00000000 -#define INST_OP_FLUSH 0x02000000 -#define INST_FLUSH_MAP_CACHE 0x00000001 - -#define BB1_START_ADDR_MASK (~0x7) -#define BB1_PROTECTED (1<<0) -#define BB1_UNPROTECTED (0<<0) -#define BB2_END_ADDR_MASK (~0x7) - -#define I830REG_HWSTAM 0x02098 -#define I830REG_INT_IDENTITY_R 0x020a4 -#define I830REG_INT_MASK_R 0x020a8 -#define I830REG_INT_ENABLE_R 0x020a0 - -#define I830_IRQ_RESERVED ((1<<13)|(3<<2)) - -#define LP_RING 0x2030 -#define HP_RING 0x2040 -#define RING_TAIL 0x00 -#define TAIL_ADDR 0x001FFFF8 -#define RING_HEAD 0x04 -#define HEAD_WRAP_COUNT 0xFFE00000 -#define HEAD_WRAP_ONE 0x00200000 -#define HEAD_ADDR 0x001FFFFC -#define RING_START 0x08 -#define START_ADDR 0x0xFFFFF000 -#define RING_LEN 0x0C -#define RING_NR_PAGES 0x001FF000 -#define RING_REPORT_MASK 0x00000006 -#define RING_REPORT_64K 0x00000002 -#define RING_REPORT_128K 0x00000004 -#define RING_NO_REPORT 0x00000000 -#define RING_VALID_MASK 0x00000001 -#define RING_VALID 0x00000001 -#define RING_INVALID 0x00000000 - -#define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19)) -#define SC_UPDATE_SCISSOR (0x1<<1) -#define SC_ENABLE_MASK (0x1<<0) -#define SC_ENABLE (0x1<<0) - -#define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1)) -#define SCI_YMIN_MASK (0xffff<<16) -#define SCI_XMIN_MASK (0xffff<<0) -#define SCI_YMAX_MASK (0xffff<<16) -#define SCI_XMAX_MASK (0xffff<<0) - -#define GFX_OP_SCISSOR_ENABLE ((0x3<<29)|(0x1c<<24)|(0x10<<19)) -#define GFX_OP_SCISSOR_RECT ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1) -#define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0) -#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) -#define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4) -#define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0) -#define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3)) -#define GFX_OP_PRIMITIVE ((0x3<<29)|(0x1f<<24)) - -#define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1) - -#define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2) -#define ASYNC_FLIP (1<<22) - -#define CMD_3D (0x3<<29) -#define STATE3D_CONST_BLEND_COLOR_CMD (CMD_3D|(0x1d<<24)|(0x88<<16)) -#define STATE3D_MAP_COORD_SETBIND_CMD (CMD_3D|(0x1d<<24)|(0x02<<16)) - -#define BR00_BITBLT_CLIENT 0x40000000 -#define BR00_OP_COLOR_BLT 0x10000000 -#define BR00_OP_SRC_COPY_BLT 0x10C00000 -#define BR13_SOLID_PATTERN 0x80000000 - -#define BUF_3D_ID_COLOR_BACK (0x3<<24) -#define BUF_3D_ID_DEPTH (0x7<<24) -#define BUF_3D_USE_FENCE (1<<23) -#define BUF_3D_PITCH(x) (((x)/4)<<2) - -#define CMD_OP_MAP_PALETTE_LOAD ((3<<29)|(0x1d<<24)|(0x82<<16)|255) -#define MAP_PALETTE_NUM(x) ((x<<8) & (1<<8)) -#define MAP_PALETTE_BOTH (1<<11) - -#define XY_COLOR_BLT_CMD ((2<<29)|(0x50<<22)|0x4) -#define XY_COLOR_BLT_WRITE_ALPHA (1<<21) -#define XY_COLOR_BLT_WRITE_RGB (1<<20) - -#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6) -#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21) -#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20) - -#define MI_BATCH_BUFFER ((0x30<<23)|1) -#define MI_BATCH_BUFFER_START (0x31<<23) -#define MI_BATCH_BUFFER_END (0xA<<23) -#define MI_BATCH_NON_SECURE (1) - -#define MI_WAIT_FOR_EVENT ((0x3<<23)) -#define MI_WAIT_FOR_PLANE_A_FLIP (1<<2) -#define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1) - -#define MI_LOAD_SCAN_LINES_INCL ((0x12<<23)) - -#endif diff --git a/drivers/gpu/drm/i830/i830_irq.c b/drivers/gpu/drm/i830/i830_irq.c deleted file mode 100644 index d1a6b95d631..00000000000 --- a/drivers/gpu/drm/i830/i830_irq.c +++ /dev/null @@ -1,186 +0,0 @@ -/* i830_dma.c -- DMA support for the I830 -*- linux-c -*- - * - * Copyright 2002 Tungsten Graphics, Inc. - * 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 - * TUNGSTEN GRAPHICS 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: Keith Whitwell <keith@tungstengraphics.com> - * - */ - -#include "drmP.h" -#include "drm.h" -#include "i830_drm.h" -#include "i830_drv.h" -#include <linux/interrupt.h> /* For task queue support */ -#include <linux/delay.h> - -irqreturn_t i830_driver_irq_handler(DRM_IRQ_ARGS) -{ - struct drm_device *dev = (struct drm_device *) arg; - drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; - u16 temp; - - temp = I830_READ16(I830REG_INT_IDENTITY_R); - DRM_DEBUG("%x\n", temp); - - if (!(temp & 2)) - return IRQ_NONE; - - I830_WRITE16(I830REG_INT_IDENTITY_R, temp); - - atomic_inc(&dev_priv->irq_received); - wake_up_interruptible(&dev_priv->irq_queue); - - return IRQ_HANDLED; -} - -static int i830_emit_irq(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - RING_LOCALS; - - DRM_DEBUG("%s\n", __func__); - - atomic_inc(&dev_priv->irq_emitted); - - BEGIN_LP_RING(2); - OUT_RING(0); - OUT_RING(GFX_OP_USER_INTERRUPT); - ADVANCE_LP_RING(); - - return atomic_read(&dev_priv->irq_emitted); -} - -static int i830_wait_irq(struct drm_device *dev, int irq_nr) -{ - drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; - DECLARE_WAITQUEUE(entry, current); - unsigned long end = jiffies + HZ * 3; - int ret = 0; - - DRM_DEBUG("%s\n", __func__); - - if (atomic_read(&dev_priv->irq_received) >= irq_nr) - return 0; - - dev_priv->sarea_priv->perf_boxes |= I830_BOX_WAIT; - - add_wait_queue(&dev_priv->irq_queue, &entry); - - for (;;) { - __set_current_state(TASK_INTERRUPTIBLE); - if (atomic_read(&dev_priv->irq_received) >= irq_nr) - break; - if ((signed)(end - jiffies) <= 0) { - DRM_ERROR("timeout iir %x imr %x ier %x hwstam %x\n", - I830_READ16(I830REG_INT_IDENTITY_R), - I830_READ16(I830REG_INT_MASK_R), - I830_READ16(I830REG_INT_ENABLE_R), - I830_READ16(I830REG_HWSTAM)); - - ret = -EBUSY; /* Lockup? Missed irq? */ - break; - } - schedule_timeout(HZ * 3); - if (signal_pending(current)) { - ret = -EINTR; - break; - } - } - - __set_current_state(TASK_RUNNING); - remove_wait_queue(&dev_priv->irq_queue, &entry); - return ret; -} - -/* Needs the lock as it touches the ring. - */ -int i830_irq_emit(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_irq_emit_t *emit = data; - int result; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __func__); - return -EINVAL; - } - - result = i830_emit_irq(dev); - - if (copy_to_user(emit->irq_seq, &result, sizeof(int))) { - DRM_ERROR("copy_to_user\n"); - return -EFAULT; - } - - return 0; -} - -/* Doesn't need the hardware lock. - */ -int i830_irq_wait(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_irq_wait_t *irqwait = data; - - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __func__); - return -EINVAL; - } - - return i830_wait_irq(dev, irqwait->irq_seq); -} - -/* drm_dma.h hooks -*/ -void i830_driver_irq_preinstall(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; - - I830_WRITE16(I830REG_HWSTAM, 0xffff); - I830_WRITE16(I830REG_INT_MASK_R, 0x0); - I830_WRITE16(I830REG_INT_ENABLE_R, 0x0); - atomic_set(&dev_priv->irq_received, 0); - atomic_set(&dev_priv->irq_emitted, 0); - init_waitqueue_head(&dev_priv->irq_queue); -} - -void i830_driver_irq_postinstall(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; - - I830_WRITE16(I830REG_INT_ENABLE_R, 0x2); -} - -void i830_driver_irq_uninstall(struct drm_device *dev) -{ - drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; - if (!dev_priv) - return; - - I830_WRITE16(I830REG_INT_MASK_R, 0xffff); - I830_WRITE16(I830REG_INT_ENABLE_R, 0x0); -} |