diff options
Diffstat (limited to 'drivers/gpu/drm/r128')
| -rw-r--r-- | drivers/gpu/drm/r128/Makefile | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/r128/ati_pcigart.c | 228 | ||||
| -rw-r--r-- | drivers/gpu/drm/r128/ati_pcigart.h | 31 | ||||
| -rw-r--r-- | drivers/gpu/drm/r128/r128_cce.c | 944 | ||||
| -rw-r--r-- | drivers/gpu/drm/r128/r128_drv.c | 116 | ||||
| -rw-r--r-- | drivers/gpu/drm/r128/r128_drv.h | 544 | ||||
| -rw-r--r-- | drivers/gpu/drm/r128/r128_ioc32.c | 199 | ||||
| -rw-r--r-- | drivers/gpu/drm/r128/r128_irq.c | 118 | ||||
| -rw-r--r-- | drivers/gpu/drm/r128/r128_state.c | 1641 |
9 files changed, 3831 insertions, 0 deletions
diff --git a/drivers/gpu/drm/r128/Makefile b/drivers/gpu/drm/r128/Makefile new file mode 100644 index 000000000..c07a06953 --- /dev/null +++ b/drivers/gpu/drm/r128/Makefile @@ -0,0 +1,10 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Makefile for the drm device driver. This driver provides support for the +# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. + +r128-y := r128_drv.o r128_cce.o r128_state.o r128_irq.o ati_pcigart.o + +r128-$(CONFIG_COMPAT) += r128_ioc32.o + +obj-$(CONFIG_DRM_R128) += r128.o diff --git a/drivers/gpu/drm/r128/ati_pcigart.c b/drivers/gpu/drm/r128/ati_pcigart.c new file mode 100644 index 000000000..dde0501ae --- /dev/null +++ b/drivers/gpu/drm/r128/ati_pcigart.c @@ -0,0 +1,228 @@ +/* + * \file ati_pcigart.c + * ATI PCI GART support + * + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Wed Dec 13 21:52:19 2000 by gareth@valinux.com + * + * 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. + */ + +#include <linux/export.h> +#include <linux/pci.h> + +#include <drm/drm_device.h> +#include <drm/drm_legacy.h> +#include <drm/drm_print.h> + +#include "ati_pcigart.h" + +# define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */ + +static int drm_ati_alloc_pcigart_table(struct drm_device *dev, + struct drm_ati_pcigart_info *gart_info) +{ + drm_dma_handle_t *dmah = kmalloc(sizeof(drm_dma_handle_t), GFP_KERNEL); + + if (!dmah) + return -ENOMEM; + + dmah->size = gart_info->table_size; + dmah->vaddr = dma_alloc_coherent(dev->dev, + dmah->size, + &dmah->busaddr, + GFP_KERNEL); + + if (!dmah->vaddr) { + kfree(dmah); + return -ENOMEM; + } + + gart_info->table_handle = dmah; + return 0; +} + +static void drm_ati_free_pcigart_table(struct drm_device *dev, + struct drm_ati_pcigart_info *gart_info) +{ + drm_dma_handle_t *dmah = gart_info->table_handle; + + dma_free_coherent(dev->dev, dmah->size, dmah->vaddr, dmah->busaddr); + kfree(dmah); + + gart_info->table_handle = NULL; +} + +int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info) +{ + struct drm_sg_mem *entry = dev->sg; + struct pci_dev *pdev = to_pci_dev(dev->dev); + unsigned long pages; + int i; + int max_pages; + + /* we need to support large memory configurations */ + if (!entry) { + DRM_ERROR("no scatter/gather memory!\n"); + return 0; + } + + if (gart_info->bus_addr) { + + max_pages = (gart_info->table_size / sizeof(u32)); + pages = (entry->pages <= max_pages) + ? entry->pages : max_pages; + + for (i = 0; i < pages; i++) { + if (!entry->busaddr[i]) + break; + dma_unmap_page(&pdev->dev, entry->busaddr[i], + PAGE_SIZE, DMA_BIDIRECTIONAL); + } + + if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) + gart_info->bus_addr = 0; + } + + if (gart_info->gart_table_location == DRM_ATI_GART_MAIN && + gart_info->table_handle) { + drm_ati_free_pcigart_table(dev, gart_info); + } + + return 1; +} + +int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info) +{ + struct drm_local_map *map = &gart_info->mapping; + struct drm_sg_mem *entry = dev->sg; + struct pci_dev *pdev = to_pci_dev(dev->dev); + void *address = NULL; + unsigned long pages; + u32 *pci_gart = NULL, page_base, gart_idx; + dma_addr_t bus_address = 0; + int i, j, ret = -ENOMEM; + int max_ati_pages, max_real_pages; + + if (!entry) { + DRM_ERROR("no scatter/gather memory!\n"); + goto done; + } + + if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { + DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n"); + + if (dma_set_mask(&pdev->dev, gart_info->table_mask)) { + DRM_ERROR("fail to set dma mask to 0x%Lx\n", + (unsigned long long)gart_info->table_mask); + ret = -EFAULT; + goto done; + } + + ret = drm_ati_alloc_pcigart_table(dev, gart_info); + if (ret) { + DRM_ERROR("cannot allocate PCI GART page!\n"); + goto done; + } + + pci_gart = gart_info->table_handle->vaddr; + address = gart_info->table_handle->vaddr; + bus_address = gart_info->table_handle->busaddr; + } else { + address = gart_info->addr; + bus_address = gart_info->bus_addr; + DRM_DEBUG("PCI: Gart Table: VRAM %08LX mapped at %08lX\n", + (unsigned long long)bus_address, + (unsigned long)address); + } + + + max_ati_pages = (gart_info->table_size / sizeof(u32)); + max_real_pages = max_ati_pages / (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); + pages = (entry->pages <= max_real_pages) + ? entry->pages : max_real_pages; + + if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { + memset(pci_gart, 0, max_ati_pages * sizeof(u32)); + } else { + memset_io((void __iomem *)map->handle, 0, max_ati_pages * sizeof(u32)); + } + + gart_idx = 0; + for (i = 0; i < pages; i++) { + /* we need to support large memory configurations */ + entry->busaddr[i] = dma_map_page(&pdev->dev, entry->pagelist[i], + 0, PAGE_SIZE, DMA_BIDIRECTIONAL); + if (dma_mapping_error(&pdev->dev, entry->busaddr[i])) { + DRM_ERROR("unable to map PCIGART pages!\n"); + drm_ati_pcigart_cleanup(dev, gart_info); + address = NULL; + bus_address = 0; + ret = -ENOMEM; + goto done; + } + page_base = (u32) entry->busaddr[i]; + + for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) { + u32 offset; + u32 val; + + switch(gart_info->gart_reg_if) { + case DRM_ATI_GART_IGP: + val = page_base | 0xc; + break; + case DRM_ATI_GART_PCIE: + val = (page_base >> 8) | 0xc; + break; + default: + case DRM_ATI_GART_PCI: + val = page_base; + break; + } + if (gart_info->gart_table_location == + DRM_ATI_GART_MAIN) { + pci_gart[gart_idx] = cpu_to_le32(val); + } else { + offset = gart_idx * sizeof(u32); + writel(val, (void __iomem *)map->handle + offset); + } + gart_idx++; + page_base += ATI_PCIGART_PAGE_SIZE; + } + } + ret = 0; + +#ifdef CONFIG_X86 + wbinvd(); +#else + mb(); +#endif + + done: + gart_info->addr = address; + gart_info->bus_addr = bus_address; + return ret; +} diff --git a/drivers/gpu/drm/r128/ati_pcigart.h b/drivers/gpu/drm/r128/ati_pcigart.h new file mode 100644 index 000000000..a728a1364 --- /dev/null +++ b/drivers/gpu/drm/r128/ati_pcigart.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef DRM_ATI_PCIGART_H +#define DRM_ATI_PCIGART_H + +#include <drm/drm_legacy.h> + +/* location of GART table */ +#define DRM_ATI_GART_MAIN 1 +#define DRM_ATI_GART_FB 2 + +#define DRM_ATI_GART_PCI 1 +#define DRM_ATI_GART_PCIE 2 +#define DRM_ATI_GART_IGP 3 + +struct drm_ati_pcigart_info { + int gart_table_location; + int gart_reg_if; + void *addr; + dma_addr_t bus_addr; + dma_addr_t table_mask; + struct drm_dma_handle *table_handle; + struct drm_local_map mapping; + int table_size; +}; + +extern int drm_ati_pcigart_init(struct drm_device *dev, + struct drm_ati_pcigart_info * gart_info); +extern int drm_ati_pcigart_cleanup(struct drm_device *dev, + struct drm_ati_pcigart_info * gart_info); + +#endif diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c new file mode 100644 index 000000000..c04d84a69 --- /dev/null +++ b/drivers/gpu/drm/r128/r128_cce.c @@ -0,0 +1,944 @@ +/* r128_cce.c -- ATI Rage 128 driver -*- linux-c -*- + * Created: Wed Apr 5 19:24:19 2000 by kevin@precisioninsight.com + */ +/* + * Copyright 2000 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: + * Gareth Hughes <gareth@valinux.com> + */ + +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/firmware.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/uaccess.h> + +#include <drm/drm_device.h> +#include <drm/drm_file.h> +#include <drm/drm_legacy.h> +#include <drm/drm_print.h> +#include <drm/r128_drm.h> + +#include "r128_drv.h" + +#define R128_FIFO_DEBUG 0 + +#define FIRMWARE_NAME "r128/r128_cce.bin" + +MODULE_FIRMWARE(FIRMWARE_NAME); + +static int R128_READ_PLL(struct drm_device *dev, int addr) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + + R128_WRITE8(R128_CLOCK_CNTL_INDEX, addr & 0x1f); + return R128_READ(R128_CLOCK_CNTL_DATA); +} + +#if R128_FIFO_DEBUG +static void r128_status(drm_r128_private_t *dev_priv) +{ + printk("GUI_STAT = 0x%08x\n", + (unsigned int)R128_READ(R128_GUI_STAT)); + printk("PM4_STAT = 0x%08x\n", + (unsigned int)R128_READ(R128_PM4_STAT)); + printk("PM4_BUFFER_DL_WPTR = 0x%08x\n", + (unsigned int)R128_READ(R128_PM4_BUFFER_DL_WPTR)); + printk("PM4_BUFFER_DL_RPTR = 0x%08x\n", + (unsigned int)R128_READ(R128_PM4_BUFFER_DL_RPTR)); + printk("PM4_MICRO_CNTL = 0x%08x\n", + (unsigned int)R128_READ(R128_PM4_MICRO_CNTL)); + printk("PM4_BUFFER_CNTL = 0x%08x\n", + (unsigned int)R128_READ(R128_PM4_BUFFER_CNTL)); +} +#endif + +/* ================================================================ + * Engine, FIFO control + */ + +static int r128_do_pixcache_flush(drm_r128_private_t *dev_priv) +{ + u32 tmp; + int i; + + tmp = R128_READ(R128_PC_NGUI_CTLSTAT) | R128_PC_FLUSH_ALL; + R128_WRITE(R128_PC_NGUI_CTLSTAT, tmp); + + for (i = 0; i < dev_priv->usec_timeout; i++) { + if (!(R128_READ(R128_PC_NGUI_CTLSTAT) & R128_PC_BUSY)) + return 0; + udelay(1); + } + +#if R128_FIFO_DEBUG + DRM_ERROR("failed!\n"); +#endif + return -EBUSY; +} + +static int r128_do_wait_for_fifo(drm_r128_private_t *dev_priv, int entries) +{ + int i; + + for (i = 0; i < dev_priv->usec_timeout; i++) { + int slots = R128_READ(R128_GUI_STAT) & R128_GUI_FIFOCNT_MASK; + if (slots >= entries) + return 0; + udelay(1); + } + +#if R128_FIFO_DEBUG + DRM_ERROR("failed!\n"); +#endif + return -EBUSY; +} + +static int r128_do_wait_for_idle(drm_r128_private_t *dev_priv) +{ + int i, ret; + + ret = r128_do_wait_for_fifo(dev_priv, 64); + if (ret) + return ret; + + for (i = 0; i < dev_priv->usec_timeout; i++) { + if (!(R128_READ(R128_GUI_STAT) & R128_GUI_ACTIVE)) { + r128_do_pixcache_flush(dev_priv); + return 0; + } + udelay(1); + } + +#if R128_FIFO_DEBUG + DRM_ERROR("failed!\n"); +#endif + return -EBUSY; +} + +/* ================================================================ + * CCE control, initialization + */ + +/* Load the microcode for the CCE */ +static int r128_cce_load_microcode(drm_r128_private_t *dev_priv) +{ + struct platform_device *pdev; + const struct firmware *fw; + const __be32 *fw_data; + int rc, i; + + DRM_DEBUG("\n"); + + pdev = platform_device_register_simple("r128_cce", 0, NULL, 0); + if (IS_ERR(pdev)) { + pr_err("r128_cce: Failed to register firmware\n"); + return PTR_ERR(pdev); + } + rc = request_firmware(&fw, FIRMWARE_NAME, &pdev->dev); + platform_device_unregister(pdev); + if (rc) { + pr_err("r128_cce: Failed to load firmware \"%s\"\n", + FIRMWARE_NAME); + return rc; + } + + if (fw->size != 256 * 8) { + pr_err("r128_cce: Bogus length %zu in firmware \"%s\"\n", + fw->size, FIRMWARE_NAME); + rc = -EINVAL; + goto out_release; + } + + r128_do_wait_for_idle(dev_priv); + + fw_data = (const __be32 *)fw->data; + R128_WRITE(R128_PM4_MICROCODE_ADDR, 0); + for (i = 0; i < 256; i++) { + R128_WRITE(R128_PM4_MICROCODE_DATAH, + be32_to_cpup(&fw_data[i * 2])); + R128_WRITE(R128_PM4_MICROCODE_DATAL, + be32_to_cpup(&fw_data[i * 2 + 1])); + } + +out_release: + release_firmware(fw); + return rc; +} + +/* Flush any pending commands to the CCE. This should only be used just + * prior to a wait for idle, as it informs the engine that the command + * stream is ending. + */ +static void r128_do_cce_flush(drm_r128_private_t *dev_priv) +{ + u32 tmp; + + tmp = R128_READ(R128_PM4_BUFFER_DL_WPTR) | R128_PM4_BUFFER_DL_DONE; + R128_WRITE(R128_PM4_BUFFER_DL_WPTR, tmp); +} + +/* Wait for the CCE to go idle. + */ +int r128_do_cce_idle(drm_r128_private_t *dev_priv) +{ + int i; + + for (i = 0; i < dev_priv->usec_timeout; i++) { + if (GET_RING_HEAD(dev_priv) == dev_priv->ring.tail) { + int pm4stat = R128_READ(R128_PM4_STAT); + if (((pm4stat & R128_PM4_FIFOCNT_MASK) >= + dev_priv->cce_fifo_size) && + !(pm4stat & (R128_PM4_BUSY | + R128_PM4_GUI_ACTIVE))) { + return r128_do_pixcache_flush(dev_priv); + } + } + udelay(1); + } + +#if R128_FIFO_DEBUG + DRM_ERROR("failed!\n"); + r128_status(dev_priv); +#endif + return -EBUSY; +} + +/* Start the Concurrent Command Engine. + */ +static void r128_do_cce_start(drm_r128_private_t *dev_priv) +{ + r128_do_wait_for_idle(dev_priv); + + R128_WRITE(R128_PM4_BUFFER_CNTL, + dev_priv->cce_mode | dev_priv->ring.size_l2qw + | R128_PM4_BUFFER_CNTL_NOUPDATE); + R128_READ(R128_PM4_BUFFER_ADDR); /* as per the sample code */ + R128_WRITE(R128_PM4_MICRO_CNTL, R128_PM4_MICRO_FREERUN); + + dev_priv->cce_running = 1; +} + +/* Reset the Concurrent Command Engine. This will not flush any pending + * commands, so you must wait for the CCE command stream to complete + * before calling this routine. + */ +static void r128_do_cce_reset(drm_r128_private_t *dev_priv) +{ + R128_WRITE(R128_PM4_BUFFER_DL_WPTR, 0); + R128_WRITE(R128_PM4_BUFFER_DL_RPTR, 0); + dev_priv->ring.tail = 0; +} + +/* Stop the Concurrent Command Engine. This will not flush any pending + * commands, so you must flush the command stream and wait for the CCE + * to go idle before calling this routine. + */ +static void r128_do_cce_stop(drm_r128_private_t *dev_priv) +{ + R128_WRITE(R128_PM4_MICRO_CNTL, 0); + R128_WRITE(R128_PM4_BUFFER_CNTL, + R128_PM4_NONPM4 | R128_PM4_BUFFER_CNTL_NOUPDATE); + + dev_priv->cce_running = 0; +} + +/* Reset the engine. This will stop the CCE if it is running. + */ +static int r128_do_engine_reset(struct drm_device *dev) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + u32 clock_cntl_index, mclk_cntl, gen_reset_cntl; + + r128_do_pixcache_flush(dev_priv); + + clock_cntl_index = R128_READ(R128_CLOCK_CNTL_INDEX); + mclk_cntl = R128_READ_PLL(dev, R128_MCLK_CNTL); + + R128_WRITE_PLL(R128_MCLK_CNTL, + mclk_cntl | R128_FORCE_GCP | R128_FORCE_PIPE3D_CP); + + gen_reset_cntl = R128_READ(R128_GEN_RESET_CNTL); + + /* Taken from the sample code - do not change */ + R128_WRITE(R128_GEN_RESET_CNTL, gen_reset_cntl | R128_SOFT_RESET_GUI); + R128_READ(R128_GEN_RESET_CNTL); + R128_WRITE(R128_GEN_RESET_CNTL, gen_reset_cntl & ~R128_SOFT_RESET_GUI); + R128_READ(R128_GEN_RESET_CNTL); + + R128_WRITE_PLL(R128_MCLK_CNTL, mclk_cntl); + R128_WRITE(R128_CLOCK_CNTL_INDEX, clock_cntl_index); + R128_WRITE(R128_GEN_RESET_CNTL, gen_reset_cntl); + + /* Reset the CCE ring */ + r128_do_cce_reset(dev_priv); + + /* The CCE is no longer running after an engine reset */ + dev_priv->cce_running = 0; + + /* Reset any pending vertex, indirect buffers */ + r128_freelist_reset(dev); + + return 0; +} + +static void r128_cce_init_ring_buffer(struct drm_device *dev, + drm_r128_private_t *dev_priv) +{ + u32 ring_start; + u32 tmp; + + DRM_DEBUG("\n"); + + /* The manual (p. 2) says this address is in "VM space". This + * means it's an offset from the start of AGP space. + */ +#if IS_ENABLED(CONFIG_AGP) + if (!dev_priv->is_pci) + ring_start = dev_priv->cce_ring->offset - dev->agp->base; + else +#endif + ring_start = dev_priv->cce_ring->offset - + (unsigned long)dev->sg->virtual; + + R128_WRITE(R128_PM4_BUFFER_OFFSET, ring_start | R128_AGP_OFFSET); + + R128_WRITE(R128_PM4_BUFFER_DL_WPTR, 0); + R128_WRITE(R128_PM4_BUFFER_DL_RPTR, 0); + + /* Set watermark control */ + R128_WRITE(R128_PM4_BUFFER_WM_CNTL, + ((R128_WATERMARK_L / 4) << R128_WMA_SHIFT) + | ((R128_WATERMARK_M / 4) << R128_WMB_SHIFT) + | ((R128_WATERMARK_N / 4) << R128_WMC_SHIFT) + | ((R128_WATERMARK_K / 64) << R128_WB_WM_SHIFT)); + + /* Force read. Why? Because it's in the examples... */ + R128_READ(R128_PM4_BUFFER_ADDR); + + /* Turn on bus mastering */ + tmp = R128_READ(R128_BUS_CNTL) & ~R128_BUS_MASTER_DIS; + R128_WRITE(R128_BUS_CNTL, tmp); +} + +static int r128_do_init_cce(struct drm_device *dev, drm_r128_init_t *init) +{ + drm_r128_private_t *dev_priv; + int rc; + + DRM_DEBUG("\n"); + + if (dev->dev_private) { + DRM_DEBUG("called when already initialized\n"); + return -EINVAL; + } + + dev_priv = kzalloc(sizeof(drm_r128_private_t), GFP_KERNEL); + if (dev_priv == NULL) + return -ENOMEM; + + dev_priv->is_pci = init->is_pci; + + if (dev_priv->is_pci && !dev->sg) { + DRM_ERROR("PCI GART memory not allocated!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce(dev); + return -EINVAL; + } + + dev_priv->usec_timeout = init->usec_timeout; + if (dev_priv->usec_timeout < 1 || + dev_priv->usec_timeout > R128_MAX_USEC_TIMEOUT) { + DRM_DEBUG("TIMEOUT problem!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce(dev); + return -EINVAL; + } + + dev_priv->cce_mode = init->cce_mode; + + /* GH: Simple idle check. + */ + atomic_set(&dev_priv->idle_count, 0); + + /* We don't support anything other than bus-mastering ring mode, + * but the ring can be in either AGP or PCI space for the ring + * read pointer. + */ + if ((init->cce_mode != R128_PM4_192BM) && + (init->cce_mode != R128_PM4_128BM_64INDBM) && + (init->cce_mode != R128_PM4_64BM_128INDBM) && + (init->cce_mode != R128_PM4_64BM_64VCBM_64INDBM)) { + DRM_DEBUG("Bad cce_mode!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce(dev); + return -EINVAL; + } + + switch (init->cce_mode) { + case R128_PM4_NONPM4: + dev_priv->cce_fifo_size = 0; + break; + case R128_PM4_192PIO: + case R128_PM4_192BM: + dev_priv->cce_fifo_size = 192; + break; + case R128_PM4_128PIO_64INDBM: + case R128_PM4_128BM_64INDBM: + dev_priv->cce_fifo_size = 128; + break; + case R128_PM4_64PIO_128INDBM: + case R128_PM4_64BM_128INDBM: + case R128_PM4_64PIO_64VCBM_64INDBM: + case R128_PM4_64BM_64VCBM_64INDBM: + case R128_PM4_64PIO_64VCPIO_64INDPIO: + dev_priv->cce_fifo_size = 64; + break; + } + + switch (init->fb_bpp) { + case 16: + dev_priv->color_fmt = R128_DATATYPE_RGB565; + break; + case 32: + default: + dev_priv->color_fmt = R128_DATATYPE_ARGB8888; + break; + } + dev_priv->front_offset = init->front_offset; + dev_priv->front_pitch = init->front_pitch; + dev_priv->back_offset = init->back_offset; + dev_priv->back_pitch = init->back_pitch; + + switch (init->depth_bpp) { + case 16: + dev_priv->depth_fmt = R128_DATATYPE_RGB565; + break; + case 24: + case 32: + default: + dev_priv->depth_fmt = R128_DATATYPE_ARGB8888; + break; + } + dev_priv->depth_offset = init->depth_offset; + dev_priv->depth_pitch = init->depth_pitch; + dev_priv->span_offset = init->span_offset; + + dev_priv->front_pitch_offset_c = (((dev_priv->front_pitch / 8) << 21) | + (dev_priv->front_offset >> 5)); + dev_priv->back_pitch_offset_c = (((dev_priv->back_pitch / 8) << 21) | + (dev_priv->back_offset >> 5)); + dev_priv->depth_pitch_offset_c = (((dev_priv->depth_pitch / 8) << 21) | + (dev_priv->depth_offset >> 5) | + R128_DST_TILE); + dev_priv->span_pitch_offset_c = (((dev_priv->depth_pitch / 8) << 21) | + (dev_priv->span_offset >> 5)); + + dev_priv->sarea = drm_legacy_getsarea(dev); + if (!dev_priv->sarea) { + DRM_ERROR("could not find sarea!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce(dev); + return -EINVAL; + } + + dev_priv->mmio = drm_legacy_findmap(dev, init->mmio_offset); + if (!dev_priv->mmio) { + DRM_ERROR("could not find mmio region!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce(dev); + return -EINVAL; + } + dev_priv->cce_ring = drm_legacy_findmap(dev, init->ring_offset); + if (!dev_priv->cce_ring) { + DRM_ERROR("could not find cce ring region!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce(dev); + return -EINVAL; + } + dev_priv->ring_rptr = drm_legacy_findmap(dev, init->ring_rptr_offset); + if (!dev_priv->ring_rptr) { + DRM_ERROR("could not find ring read pointer!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce(dev); + return -EINVAL; + } + dev->agp_buffer_token = init->buffers_offset; + dev->agp_buffer_map = drm_legacy_findmap(dev, init->buffers_offset); + if (!dev->agp_buffer_map) { + DRM_ERROR("could not find dma buffer region!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce(dev); + return -EINVAL; + } + + if (!dev_priv->is_pci) { + dev_priv->agp_textures = + drm_legacy_findmap(dev, init->agp_textures_offset); + if (!dev_priv->agp_textures) { + DRM_ERROR("could not find agp texture region!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce(dev); + return -EINVAL; + } + } + + dev_priv->sarea_priv = + (drm_r128_sarea_t *) ((u8 *) dev_priv->sarea->handle + + init->sarea_priv_offset); + +#if IS_ENABLED(CONFIG_AGP) + if (!dev_priv->is_pci) { + drm_legacy_ioremap_wc(dev_priv->cce_ring, dev); + drm_legacy_ioremap_wc(dev_priv->ring_rptr, dev); + drm_legacy_ioremap_wc(dev->agp_buffer_map, dev); + if (!dev_priv->cce_ring->handle || + !dev_priv->ring_rptr->handle || + !dev->agp_buffer_map->handle) { + DRM_ERROR("Could not ioremap agp regions!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce(dev); + return -ENOMEM; + } + } else +#endif + { + dev_priv->cce_ring->handle = + (void *)(unsigned long)dev_priv->cce_ring->offset; + dev_priv->ring_rptr->handle = + (void *)(unsigned long)dev_priv->ring_rptr->offset; + dev->agp_buffer_map->handle = + (void *)(unsigned long)dev->agp_buffer_map->offset; + } + +#if IS_ENABLED(CONFIG_AGP) + if (!dev_priv->is_pci) + dev_priv->cce_buffers_offset = dev->agp->base; + else +#endif + dev_priv->cce_buffers_offset = (unsigned long)dev->sg->virtual; + + dev_priv->ring.start = (u32 *) dev_priv->cce_ring->handle; + dev_priv->ring.end = ((u32 *) dev_priv->cce_ring->handle + + init->ring_size / sizeof(u32)); + dev_priv->ring.size = init->ring_size; + dev_priv->ring.size_l2qw = order_base_2(init->ring_size / 8); + + dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1; + + dev_priv->ring.high_mark = 128; + + dev_priv->sarea_priv->last_frame = 0; + R128_WRITE(R128_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame); + + dev_priv->sarea_priv->last_dispatch = 0; + R128_WRITE(R128_LAST_DISPATCH_REG, dev_priv->sarea_priv->last_dispatch); + +#if IS_ENABLED(CONFIG_AGP) + if (dev_priv->is_pci) { +#endif + dev_priv->gart_info.table_mask = DMA_BIT_MASK(32); + dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN; + dev_priv->gart_info.table_size = R128_PCIGART_TABLE_SIZE; + dev_priv->gart_info.addr = NULL; + dev_priv->gart_info.bus_addr = 0; + dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCI; + rc = drm_ati_pcigart_init(dev, &dev_priv->gart_info); + if (rc) { + DRM_ERROR("failed to init PCI GART!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce(dev); + return rc; + } + R128_WRITE(R128_PCI_GART_PAGE, dev_priv->gart_info.bus_addr); +#if IS_ENABLED(CONFIG_AGP) + } +#endif + + r128_cce_init_ring_buffer(dev, dev_priv); + rc = r128_cce_load_microcode(dev_priv); + + dev->dev_private = (void *)dev_priv; + + r128_do_engine_reset(dev); + + if (rc) { + DRM_ERROR("Failed to load firmware!\n"); + r128_do_cleanup_cce(dev); + } + + return rc; +} + +int r128_do_cleanup_cce(struct drm_device *dev) +{ + + /* 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_legacy_irq_uninstall(dev); + + if (dev->dev_private) { + drm_r128_private_t *dev_priv = dev->dev_private; + +#if IS_ENABLED(CONFIG_AGP) + if (!dev_priv->is_pci) { + if (dev_priv->cce_ring != NULL) + drm_legacy_ioremapfree(dev_priv->cce_ring, dev); + if (dev_priv->ring_rptr != NULL) + drm_legacy_ioremapfree(dev_priv->ring_rptr, dev); + if (dev->agp_buffer_map != NULL) { + drm_legacy_ioremapfree(dev->agp_buffer_map, dev); + dev->agp_buffer_map = NULL; + } + } else +#endif + { + if (dev_priv->gart_info.bus_addr) + if (!drm_ati_pcigart_cleanup(dev, + &dev_priv->gart_info)) + DRM_ERROR + ("failed to cleanup PCI GART!\n"); + } + + kfree(dev->dev_private); + dev->dev_private = NULL; + } + + return 0; +} + +int r128_cce_init(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_init_t *init = data; + + DRM_DEBUG("\n"); + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + switch (init->func) { + case R128_INIT_CCE: + return r128_do_init_cce(dev, init); + case R128_CLEANUP_CCE: + return r128_do_cleanup_cce(dev); + } + + return -EINVAL; +} + +int r128_cce_start(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + DRM_DEBUG("\n"); + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + if (dev_priv->cce_running || dev_priv->cce_mode == R128_PM4_NONPM4) { + DRM_DEBUG("while CCE running\n"); + return 0; + } + + r128_do_cce_start(dev_priv); + + return 0; +} + +/* Stop the CCE. The engine must have been idled before calling this + * routine. + */ +int r128_cce_stop(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_cce_stop_t *stop = data; + int ret; + DRM_DEBUG("\n"); + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + /* Flush any pending CCE commands. This ensures any outstanding + * commands are exectuted by the engine before we turn it off. + */ + if (stop->flush) + r128_do_cce_flush(dev_priv); + + /* If we fail to make the engine go idle, we return an error + * code so that the DRM ioctl wrapper can try again. + */ + if (stop->idle) { + ret = r128_do_cce_idle(dev_priv); + if (ret) + return ret; + } + + /* Finally, we can turn off the CCE. If the engine isn't idle, + * we will get some dropped triangles as they won't be fully + * rendered before the CCE is shut down. + */ + r128_do_cce_stop(dev_priv); + + /* Reset the engine */ + r128_do_engine_reset(dev); + + return 0; +} + +/* Just reset the CCE ring. Called as part of an X Server engine reset. + */ +int r128_cce_reset(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + DRM_DEBUG("\n"); + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + r128_do_cce_reset(dev_priv); + + /* The CCE is no longer running after an engine reset */ + dev_priv->cce_running = 0; + + return 0; +} + +int r128_cce_idle(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + DRM_DEBUG("\n"); + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + if (dev_priv->cce_running) + r128_do_cce_flush(dev_priv); + + return r128_do_cce_idle(dev_priv); +} + +int r128_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + DRM_DEBUG("\n"); + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev->dev_private); + + return r128_do_engine_reset(dev); +} + +int r128_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + return -EINVAL; +} + +/* ================================================================ + * Freelist management + */ +#define R128_BUFFER_USED 0xffffffff +#define R128_BUFFER_FREE 0 + +#if 0 +static int r128_freelist_init(struct drm_device *dev) +{ + struct drm_device_dma *dma = dev->dma; + drm_r128_private_t *dev_priv = dev->dev_private; + struct drm_buf *buf; + drm_r128_buf_priv_t *buf_priv; + drm_r128_freelist_t *entry; + int i; + + dev_priv->head = kzalloc(sizeof(drm_r128_freelist_t), GFP_KERNEL); + if (dev_priv->head == NULL) + return -ENOMEM; + + dev_priv->head->age = R128_BUFFER_USED; + + for (i = 0; i < dma->buf_count; i++) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + + entry = kmalloc(sizeof(drm_r128_freelist_t), GFP_KERNEL); + if (!entry) + return -ENOMEM; + + entry->age = R128_BUFFER_FREE; + entry->buf = buf; + entry->prev = dev_priv->head; + entry->next = dev_priv->head->next; + if (!entry->next) + dev_priv->tail = entry; + + buf_priv->discard = 0; + buf_priv->dispatched = 0; + buf_priv->list_entry = entry; + + dev_priv->head->next = entry; + + if (dev_priv->head->next) + dev_priv->head->next->prev = entry; + } + + return 0; + +} +#endif + +static struct drm_buf *r128_freelist_get(struct drm_device * dev) +{ + struct drm_device_dma *dma = dev->dma; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_buf_priv_t *buf_priv; + struct drm_buf *buf; + int i, t; + + /* FIXME: Optimize -- use freelist code */ + + for (i = 0; i < dma->buf_count; i++) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + if (!buf->file_priv) + return buf; + } + + for (t = 0; t < dev_priv->usec_timeout; t++) { + u32 done_age = R128_READ(R128_LAST_DISPATCH_REG); + + for (i = 0; i < dma->buf_count; i++) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + if (buf->pending && buf_priv->age <= done_age) { + /* The buffer has been processed, so it + * can now be used. + */ + buf->pending = 0; + return buf; + } + } + udelay(1); + } + + DRM_DEBUG("returning NULL!\n"); + return NULL; +} + +void r128_freelist_reset(struct drm_device *dev) +{ + struct drm_device_dma *dma = dev->dma; + int i; + + for (i = 0; i < dma->buf_count; i++) { + struct drm_buf *buf = dma->buflist[i]; + drm_r128_buf_priv_t *buf_priv = buf->dev_private; + buf_priv->age = 0; + } +} + +/* ================================================================ + * CCE command submission + */ + +int r128_wait_ring(drm_r128_private_t *dev_priv, int n) +{ + drm_r128_ring_buffer_t *ring = &dev_priv->ring; + int i; + + for (i = 0; i < dev_priv->usec_timeout; i++) { + r128_update_ring_snapshot(dev_priv); + if (ring->space >= n) + return 0; + udelay(1); + } + + /* FIXME: This is being ignored... */ + DRM_ERROR("failed!\n"); + return -EBUSY; +} + +static int r128_cce_get_buffers(struct drm_device *dev, + struct drm_file *file_priv, + struct drm_dma *d) +{ + int i; + struct drm_buf *buf; + + for (i = d->granted_count; i < d->request_count; i++) { + buf = r128_freelist_get(dev); + if (!buf) + return -EAGAIN; + + buf->file_priv = file_priv; + + if (copy_to_user(&d->request_indices[i], &buf->idx, + sizeof(buf->idx))) + return -EFAULT; + if (copy_to_user(&d->request_sizes[i], &buf->total, + sizeof(buf->total))) + return -EFAULT; + + d->granted_count++; + } + return 0; +} + +int r128_cce_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + struct drm_device_dma *dma = dev->dma; + int ret = 0; + struct drm_dma *d = data; + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + /* Please don't send us buffers. + */ + if (d->send_count != 0) { + DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n", + task_pid_nr(current), d->send_count); + return -EINVAL; + } + + /* We'll send you buffers. + */ + if (d->request_count < 0 || d->request_count > dma->buf_count) { + DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n", + task_pid_nr(current), d->request_count, dma->buf_count); + return -EINVAL; + } + + d->granted_count = 0; + + if (d->request_count) + ret = r128_cce_get_buffers(dev, file_priv, d); + + return ret; +} diff --git a/drivers/gpu/drm/r128/r128_drv.c b/drivers/gpu/drm/r128/r128_drv.c new file mode 100644 index 000000000..e35a3a144 --- /dev/null +++ b/drivers/gpu/drm/r128/r128_drv.c @@ -0,0 +1,116 @@ +/* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*- + * Created: Mon Dec 13 09:47:27 1999 by faith@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> + * Gareth Hughes <gareth@valinux.com> + */ + +#include <linux/module.h> +#include <linux/pci.h> + +#include <drm/drm_drv.h> +#include <drm/drm_file.h> +#include <drm/drm_pciids.h> +#include <drm/drm_vblank.h> +#include <drm/r128_drm.h> + +#include "r128_drv.h" + +static struct pci_device_id pciidlist[] = { + r128_PCI_IDS +}; + +static const struct file_operations r128_driver_fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .unlocked_ioctl = drm_ioctl, + .mmap = drm_legacy_mmap, + .poll = drm_poll, +#ifdef CONFIG_COMPAT + .compat_ioctl = r128_compat_ioctl, +#endif + .llseek = noop_llseek, +}; + +static struct drm_driver driver = { + .driver_features = + DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_LEGACY | + DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ, + .dev_priv_size = sizeof(drm_r128_buf_priv_t), + .load = r128_driver_load, + .preclose = r128_driver_preclose, + .lastclose = r128_driver_lastclose, + .get_vblank_counter = r128_get_vblank_counter, + .enable_vblank = r128_enable_vblank, + .disable_vblank = r128_disable_vblank, + .irq_preinstall = r128_driver_irq_preinstall, + .irq_postinstall = r128_driver_irq_postinstall, + .irq_uninstall = r128_driver_irq_uninstall, + .irq_handler = r128_driver_irq_handler, + .ioctls = r128_ioctls, + .dma_ioctl = r128_cce_buffers, + .fops = &r128_driver_fops, + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, +}; + +int r128_driver_load(struct drm_device *dev, unsigned long flags) +{ + struct pci_dev *pdev = to_pci_dev(dev->dev); + + pci_set_master(pdev); + return drm_vblank_init(dev, 1); +} + +static struct pci_driver r128_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, +}; + +static int __init r128_init(void) +{ + driver.num_ioctls = r128_max_ioctl; + + return drm_legacy_pci_init(&driver, &r128_pci_driver); +} + +static void __exit r128_exit(void) +{ + drm_legacy_pci_exit(&driver, &r128_pci_driver); +} + +module_init(r128_init); +module_exit(r128_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h new file mode 100644 index 000000000..970e192b0 --- /dev/null +++ b/drivers/gpu/drm/r128/r128_drv.h @@ -0,0 +1,544 @@ +/* r128_drv.h -- Private header for r128 driver -*- linux-c -*- + * Created: Mon Dec 13 09:51:11 1999 by faith@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> + * Kevin E. Martin <martin@valinux.com> + * Gareth Hughes <gareth@valinux.com> + * Michel Dänzer <daenzerm@student.ethz.ch> + */ + +#ifndef __R128_DRV_H__ +#define __R128_DRV_H__ + +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/irqreturn.h> + +#include <drm/drm_ioctl.h> +#include <drm/drm_legacy.h> +#include <drm/r128_drm.h> + +#include "ati_pcigart.h" + +/* General customization: + */ +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." + +#define DRIVER_NAME "r128" +#define DRIVER_DESC "ATI Rage 128" +#define DRIVER_DATE "20030725" + +/* Interface history: + * + * ?? - ?? + * 2.4 - Add support for ycbcr textures (no new ioctls) + * 2.5 - Add FLIP ioctl, disable FULLSCREEN. + */ +#define DRIVER_MAJOR 2 +#define DRIVER_MINOR 5 +#define DRIVER_PATCHLEVEL 0 + +#define GET_RING_HEAD(dev_priv) R128_READ(R128_PM4_BUFFER_DL_RPTR) + +typedef struct drm_r128_freelist { + unsigned int age; + struct drm_buf *buf; + struct drm_r128_freelist *next; + struct drm_r128_freelist *prev; +} drm_r128_freelist_t; + +typedef struct drm_r128_ring_buffer { + u32 *start; + u32 *end; + int size; + int size_l2qw; + + u32 tail; + u32 tail_mask; + int space; + + int high_mark; +} drm_r128_ring_buffer_t; + +typedef struct drm_r128_private { + drm_r128_ring_buffer_t ring; + drm_r128_sarea_t *sarea_priv; + + int cce_mode; + int cce_fifo_size; + int cce_running; + + drm_r128_freelist_t *head; + drm_r128_freelist_t *tail; + + int usec_timeout; + int is_pci; + unsigned long cce_buffers_offset; + + atomic_t idle_count; + + int page_flipping; + int current_page; + u32 crtc_offset; + u32 crtc_offset_cntl; + + atomic_t vbl_received; + + u32 color_fmt; + unsigned int front_offset; + unsigned int front_pitch; + unsigned int back_offset; + unsigned int back_pitch; + + u32 depth_fmt; + unsigned int depth_offset; + unsigned int depth_pitch; + unsigned int span_offset; + + u32 front_pitch_offset_c; + u32 back_pitch_offset_c; + u32 depth_pitch_offset_c; + u32 span_pitch_offset_c; + + drm_local_map_t *sarea; + drm_local_map_t *mmio; + drm_local_map_t *cce_ring; + drm_local_map_t *ring_rptr; + drm_local_map_t *agp_textures; + struct drm_ati_pcigart_info gart_info; +} drm_r128_private_t; + +typedef struct drm_r128_buf_priv { + u32 age; + int prim; + int discard; + int dispatched; + drm_r128_freelist_t *list_entry; +} drm_r128_buf_priv_t; + +extern const struct drm_ioctl_desc r128_ioctls[]; +extern int r128_max_ioctl; + + /* r128_cce.c */ +extern int r128_cce_init(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int r128_cce_start(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int r128_cce_stop(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int r128_cce_reset(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int r128_cce_idle(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int r128_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int r128_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int r128_cce_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv); + +extern int r128_cce_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int r128_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv); + +extern void r128_freelist_reset(struct drm_device *dev); + +extern int r128_wait_ring(drm_r128_private_t *dev_priv, int n); + +extern int r128_do_cce_idle(drm_r128_private_t *dev_priv); +extern int r128_do_cleanup_cce(struct drm_device *dev); + +extern int r128_enable_vblank(struct drm_device *dev, unsigned int pipe); +extern void r128_disable_vblank(struct drm_device *dev, unsigned int pipe); +extern u32 r128_get_vblank_counter(struct drm_device *dev, unsigned int pipe); +extern irqreturn_t r128_driver_irq_handler(int irq, void *arg); +extern void r128_driver_irq_preinstall(struct drm_device *dev); +extern int r128_driver_irq_postinstall(struct drm_device *dev); +extern void r128_driver_irq_uninstall(struct drm_device *dev); +extern void r128_driver_lastclose(struct drm_device *dev); +extern int r128_driver_load(struct drm_device *dev, unsigned long flags); +extern void r128_driver_preclose(struct drm_device *dev, + struct drm_file *file_priv); + +extern long r128_compat_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg); + +/* Register definitions, register access macros and drmAddMap constants + * for Rage 128 kernel driver. + */ + +#define R128_AUX_SC_CNTL 0x1660 +# define R128_AUX1_SC_EN (1 << 0) +# define R128_AUX1_SC_MODE_OR (0 << 1) +# define R128_AUX1_SC_MODE_NAND (1 << 1) +# define R128_AUX2_SC_EN (1 << 2) +# define R128_AUX2_SC_MODE_OR (0 << 3) +# define R128_AUX2_SC_MODE_NAND (1 << 3) +# define R128_AUX3_SC_EN (1 << 4) +# define R128_AUX3_SC_MODE_OR (0 << 5) +# define R128_AUX3_SC_MODE_NAND (1 << 5) +#define R128_AUX1_SC_LEFT 0x1664 +#define R128_AUX1_SC_RIGHT 0x1668 +#define R128_AUX1_SC_TOP 0x166c +#define R128_AUX1_SC_BOTTOM 0x1670 +#define R128_AUX2_SC_LEFT 0x1674 +#define R128_AUX2_SC_RIGHT 0x1678 +#define R128_AUX2_SC_TOP 0x167c +#define R128_AUX2_SC_BOTTOM 0x1680 +#define R128_AUX3_SC_LEFT 0x1684 +#define R128_AUX3_SC_RIGHT 0x1688 +#define R128_AUX3_SC_TOP 0x168c +#define R128_AUX3_SC_BOTTOM 0x1690 + +#define R128_BRUSH_DATA0 0x1480 +#define R128_BUS_CNTL 0x0030 +# define R128_BUS_MASTER_DIS (1 << 6) + +#define R128_CLOCK_CNTL_INDEX 0x0008 +#define R128_CLOCK_CNTL_DATA 0x000c +# define R128_PLL_WR_EN (1 << 7) +#define R128_CONSTANT_COLOR_C 0x1d34 +#define R128_CRTC_OFFSET 0x0224 +#define R128_CRTC_OFFSET_CNTL 0x0228 +# define R128_CRTC_OFFSET_FLIP_CNTL (1 << 16) + +#define R128_DP_GUI_MASTER_CNTL 0x146c +# define R128_GMC_SRC_PITCH_OFFSET_CNTL (1 << 0) +# define R128_GMC_DST_PITCH_OFFSET_CNTL (1 << 1) +# define R128_GMC_BRUSH_SOLID_COLOR (13 << 4) +# define R128_GMC_BRUSH_NONE (15 << 4) +# define R128_GMC_DST_16BPP (4 << 8) +# define R128_GMC_DST_24BPP (5 << 8) +# define R128_GMC_DST_32BPP (6 << 8) +# define R128_GMC_DST_DATATYPE_SHIFT 8 +# define R128_GMC_SRC_DATATYPE_COLOR (3 << 12) +# define R128_DP_SRC_SOURCE_MEMORY (2 << 24) +# define R128_DP_SRC_SOURCE_HOST_DATA (3 << 24) +# define R128_GMC_CLR_CMP_CNTL_DIS (1 << 28) +# define R128_GMC_AUX_CLIP_DIS (1 << 29) +# define R128_GMC_WR_MSK_DIS (1 << 30) +# define R128_ROP3_S 0x00cc0000 +# define R128_ROP3_P 0x00f00000 +#define R128_DP_WRITE_MASK 0x16cc +#define R128_DST_PITCH_OFFSET_C 0x1c80 +# define R128_DST_TILE (1 << 31) + +#define R128_GEN_INT_CNTL 0x0040 +# define R128_CRTC_VBLANK_INT_EN (1 << 0) +#define R128_GEN_INT_STATUS 0x0044 +# define R128_CRTC_VBLANK_INT (1 << 0) +# define R128_CRTC_VBLANK_INT_AK (1 << 0) +#define R128_GEN_RESET_CNTL 0x00f0 +# define R128_SOFT_RESET_GUI (1 << 0) + +#define R128_GUI_SCRATCH_REG0 0x15e0 +#define R128_GUI_SCRATCH_REG1 0x15e4 +#define R128_GUI_SCRATCH_REG2 0x15e8 +#define R128_GUI_SCRATCH_REG3 0x15ec +#define R128_GUI_SCRATCH_REG4 0x15f0 +#define R128_GUI_SCRATCH_REG5 0x15f4 + +#define R128_GUI_STAT 0x1740 +# define R128_GUI_FIFOCNT_MASK 0x0fff +# define R128_GUI_ACTIVE (1 << 31) + +#define R128_MCLK_CNTL 0x000f +# define R128_FORCE_GCP (1 << 16) +# define R128_FORCE_PIPE3D_CP (1 << 17) +# define R128_FORCE_RCP (1 << 18) + +#define R128_PC_GUI_CTLSTAT 0x1748 +#define R128_PC_NGUI_CTLSTAT 0x0184 +# define R128_PC_FLUSH_GUI (3 << 0) +# define R128_PC_RI_GUI (1 << 2) +# define R128_PC_FLUSH_ALL 0x00ff +# define R128_PC_BUSY (1 << 31) + +#define R128_PCI_GART_PAGE 0x017c +#define R128_PRIM_TEX_CNTL_C 0x1cb0 + +#define R128_SCALE_3D_CNTL 0x1a00 +#define R128_SEC_TEX_CNTL_C 0x1d00 +#define R128_SEC_TEXTURE_BORDER_COLOR_C 0x1d3c +#define R128_SETUP_CNTL 0x1bc4 +#define R128_STEN_REF_MASK_C 0x1d40 + +#define R128_TEX_CNTL_C 0x1c9c +# define R128_TEX_CACHE_FLUSH (1 << 23) + +#define R128_WAIT_UNTIL 0x1720 +# define R128_EVENT_CRTC_OFFSET (1 << 0) +#define R128_WINDOW_XY_OFFSET 0x1bcc + +/* CCE registers + */ +#define R128_PM4_BUFFER_OFFSET 0x0700 +#define R128_PM4_BUFFER_CNTL 0x0704 +# define R128_PM4_MASK (15 << 28) +# define R128_PM4_NONPM4 (0 << 28) +# define R128_PM4_192PIO (1 << 28) +# define R128_PM4_192BM (2 << 28) +# define R128_PM4_128PIO_64INDBM (3 << 28) +# define R128_PM4_128BM_64INDBM (4 << 28) +# define R128_PM4_64PIO_128INDBM (5 << 28) +# define R128_PM4_64BM_128INDBM (6 << 28) +# define R128_PM4_64PIO_64VCBM_64INDBM (7 << 28) +# define R128_PM4_64BM_64VCBM_64INDBM (8U << 28) +# define R128_PM4_64PIO_64VCPIO_64INDPIO (15U << 28) +# define R128_PM4_BUFFER_CNTL_NOUPDATE (1 << 27) + +#define R128_PM4_BUFFER_WM_CNTL 0x0708 +# define R128_WMA_SHIFT 0 +# define R128_WMB_SHIFT 8 +# define R128_WMC_SHIFT 16 +# define R128_WB_WM_SHIFT 24 + +#define R128_PM4_BUFFER_DL_RPTR_ADDR 0x070c +#define R128_PM4_BUFFER_DL_RPTR 0x0710 +#define R128_PM4_BUFFER_DL_WPTR 0x0714 +# define R128_PM4_BUFFER_DL_DONE (1 << 31) + +#define R128_PM4_VC_FPU_SETUP 0x071c + +#define R128_PM4_IW_INDOFF 0x0738 +#define R128_PM4_IW_INDSIZE 0x073c + +#define R128_PM4_STAT 0x07b8 +# define R128_PM4_FIFOCNT_MASK 0x0fff +# define R128_PM4_BUSY (1 << 16) +# define R128_PM4_GUI_ACTIVE (1 << 31) + +#define R128_PM4_MICROCODE_ADDR 0x07d4 +#define R128_PM4_MICROCODE_RADDR 0x07d8 +#define R128_PM4_MICROCODE_DATAH 0x07dc +#define R128_PM4_MICROCODE_DATAL 0x07e0 + +#define R128_PM4_BUFFER_ADDR 0x07f0 +#define R128_PM4_MICRO_CNTL 0x07fc +# define R128_PM4_MICRO_FREERUN (1 << 30) + +#define R128_PM4_FIFO_DATA_EVEN 0x1000 +#define R128_PM4_FIFO_DATA_ODD 0x1004 + +/* CCE command packets + */ +#define R128_CCE_PACKET0 0x00000000 +#define R128_CCE_PACKET1 0x40000000 +#define R128_CCE_PACKET2 0x80000000 +#define R128_CCE_PACKET3 0xC0000000 +# define R128_CNTL_HOSTDATA_BLT 0x00009400 +# define R128_CNTL_PAINT_MULTI 0x00009A00 +# define R128_CNTL_BITBLT_MULTI 0x00009B00 +# define R128_3D_RNDR_GEN_INDX_PRIM 0x00002300 + +#define R128_CCE_PACKET_MASK 0xC0000000 +#define R128_CCE_PACKET_COUNT_MASK 0x3fff0000 +#define R128_CCE_PACKET0_REG_MASK 0x000007ff +#define R128_CCE_PACKET1_REG0_MASK 0x000007ff +#define R128_CCE_PACKET1_REG1_MASK 0x003ff800 + +#define R128_CCE_VC_CNTL_PRIM_TYPE_NONE 0x00000000 +#define R128_CCE_VC_CNTL_PRIM_TYPE_POINT 0x00000001 +#define R128_CCE_VC_CNTL_PRIM_TYPE_LINE 0x00000002 +#define R128_CCE_VC_CNTL_PRIM_TYPE_POLY_LINE 0x00000003 +#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST 0x00000004 +#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_FAN 0x00000005 +#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_STRIP 0x00000006 +#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 0x00000007 +#define R128_CCE_VC_CNTL_PRIM_WALK_IND 0x00000010 +#define R128_CCE_VC_CNTL_PRIM_WALK_LIST 0x00000020 +#define R128_CCE_VC_CNTL_PRIM_WALK_RING 0x00000030 +#define R128_CCE_VC_CNTL_NUM_SHIFT 16 + +#define R128_DATATYPE_VQ 0 +#define R128_DATATYPE_CI4 1 +#define R128_DATATYPE_CI8 2 +#define R128_DATATYPE_ARGB1555 3 +#define R128_DATATYPE_RGB565 4 +#define R128_DATATYPE_RGB888 5 +#define R128_DATATYPE_ARGB8888 6 +#define R128_DATATYPE_RGB332 7 +#define R128_DATATYPE_Y8 8 +#define R128_DATATYPE_RGB8 9 +#define R128_DATATYPE_CI16 10 +#define R128_DATATYPE_YVYU422 11 +#define R128_DATATYPE_VYUY422 12 +#define R128_DATATYPE_AYUV444 14 +#define R128_DATATYPE_ARGB4444 15 + +/* Constants */ +#define R128_AGP_OFFSET 0x02000000 + +#define R128_WATERMARK_L 16 +#define R128_WATERMARK_M 8 +#define R128_WATERMARK_N 8 +#define R128_WATERMARK_K 128 + +#define R128_MAX_USEC_TIMEOUT 100000 /* 100 ms */ + +#define R128_LAST_FRAME_REG R128_GUI_SCRATCH_REG0 +#define R128_LAST_DISPATCH_REG R128_GUI_SCRATCH_REG1 +#define R128_MAX_VB_AGE 0x7fffffff +#define R128_MAX_VB_VERTS (0xffff) + +#define R128_RING_HIGH_MARK 128 + +#define R128_PERFORMANCE_BOXES 0 + +#define R128_PCIGART_TABLE_SIZE 32768 + +#define R128_READ(reg) readl(((void __iomem *)dev_priv->mmio->handle) + (reg)) +#define R128_WRITE(reg, val) writel(val, ((void __iomem *)dev_priv->mmio->handle) + (reg)) +#define R128_READ8(reg) readb(((void __iomem *)dev_priv->mmio->handle) + (reg)) +#define R128_WRITE8(reg, val) writeb(val, ((void __iomem *)dev_priv->mmio->handle) + (reg)) + +#define R128_WRITE_PLL(addr, val) \ +do { \ + R128_WRITE8(R128_CLOCK_CNTL_INDEX, \ + ((addr) & 0x1f) | R128_PLL_WR_EN); \ + R128_WRITE(R128_CLOCK_CNTL_DATA, (val)); \ +} while (0) + +#define CCE_PACKET0(reg, n) (R128_CCE_PACKET0 | \ + ((n) << 16) | ((reg) >> 2)) +#define CCE_PACKET1(reg0, reg1) (R128_CCE_PACKET1 | \ + (((reg1) >> 2) << 11) | ((reg0) >> 2)) +#define CCE_PACKET2() (R128_CCE_PACKET2) +#define CCE_PACKET3(pkt, n) (R128_CCE_PACKET3 | \ + (pkt) | ((n) << 16)) + +static __inline__ void r128_update_ring_snapshot(drm_r128_private_t *dev_priv) +{ + drm_r128_ring_buffer_t *ring = &dev_priv->ring; + ring->space = (GET_RING_HEAD(dev_priv) - ring->tail) * sizeof(u32); + if (ring->space <= 0) + ring->space += ring->size; +} + +/* ================================================================ + * Misc helper macros + */ + +#define DEV_INIT_TEST_WITH_RETURN(_dev_priv) \ +do { \ + if (!_dev_priv) { \ + DRM_ERROR("called with no initialization\n"); \ + return -EINVAL; \ + } \ +} while (0) + +#define RING_SPACE_TEST_WITH_RETURN(dev_priv) \ +do { \ + drm_r128_ring_buffer_t *ring = &dev_priv->ring; int i; \ + if (ring->space < ring->high_mark) { \ + for (i = 0 ; i < dev_priv->usec_timeout ; i++) { \ + r128_update_ring_snapshot(dev_priv); \ + if (ring->space >= ring->high_mark) \ + goto __ring_space_done; \ + udelay(1); \ + } \ + DRM_ERROR("ring space check failed!\n"); \ + return -EBUSY; \ + } \ + __ring_space_done: \ + ; \ +} while (0) + +#define VB_AGE_TEST_WITH_RETURN(dev_priv) \ +do { \ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; \ + if (sarea_priv->last_dispatch >= R128_MAX_VB_AGE) { \ + int __ret = r128_do_cce_idle(dev_priv); \ + if (__ret) \ + return __ret; \ + sarea_priv->last_dispatch = 0; \ + r128_freelist_reset(dev); \ + } \ +} while (0) + +#define R128_WAIT_UNTIL_PAGE_FLIPPED() do { \ + OUT_RING(CCE_PACKET0(R128_WAIT_UNTIL, 0)); \ + OUT_RING(R128_EVENT_CRTC_OFFSET); \ +} while (0) + +/* ================================================================ + * Ring control + */ + +#define R128_VERBOSE 0 + +#define RING_LOCALS \ + int write, _nr; unsigned int tail_mask; volatile u32 *ring; + +#define BEGIN_RING(n) do { \ + if (R128_VERBOSE) \ + DRM_INFO("BEGIN_RING(%d)\n", (n)); \ + if (dev_priv->ring.space <= (n) * sizeof(u32)) { \ + COMMIT_RING(); \ + r128_wait_ring(dev_priv, (n) * sizeof(u32)); \ + } \ + _nr = n; dev_priv->ring.space -= (n) * sizeof(u32); \ + ring = dev_priv->ring.start; \ + write = dev_priv->ring.tail; \ + tail_mask = dev_priv->ring.tail_mask; \ +} while (0) + +/* You can set this to zero if you want. If the card locks up, you'll + * need to keep this set. It works around a bug in early revs of the + * Rage 128 chipset, where the CCE would read 32 dwords past the end of + * the ring buffer before wrapping around. + */ +#define R128_BROKEN_CCE 1 + +#define ADVANCE_RING() do { \ + if (R128_VERBOSE) \ + DRM_INFO("ADVANCE_RING() wr=0x%06x tail=0x%06x\n", \ + write, dev_priv->ring.tail); \ + if (R128_BROKEN_CCE && write < 32) \ + memcpy(dev_priv->ring.end, \ + dev_priv->ring.start, \ + write * sizeof(u32)); \ + if (((dev_priv->ring.tail + _nr) & tail_mask) != write) \ + DRM_ERROR( \ + "ADVANCE_RING(): mismatch: nr: %x write: %x line: %d\n", \ + ((dev_priv->ring.tail + _nr) & tail_mask), \ + write, __LINE__); \ + else \ + dev_priv->ring.tail = write; \ +} while (0) + +#define COMMIT_RING() do { \ + if (R128_VERBOSE) \ + DRM_INFO("COMMIT_RING() tail=0x%06x\n", \ + dev_priv->ring.tail); \ + mb(); \ + R128_WRITE(R128_PM4_BUFFER_DL_WPTR, dev_priv->ring.tail); \ + R128_READ(R128_PM4_BUFFER_DL_WPTR); \ +} while (0) + +#define OUT_RING(x) do { \ + if (R128_VERBOSE) \ + DRM_INFO(" OUT_RING( 0x%08x ) at 0x%x\n", \ + (unsigned int)(x), write); \ + ring[write++] = cpu_to_le32(x); \ + write &= tail_mask; \ +} while (0) + +#endif /* __R128_DRV_H__ */ diff --git a/drivers/gpu/drm/r128/r128_ioc32.c b/drivers/gpu/drm/r128/r128_ioc32.c new file mode 100644 index 000000000..cdeb1db87 --- /dev/null +++ b/drivers/gpu/drm/r128/r128_ioc32.c @@ -0,0 +1,199 @@ +/* + * \file r128_ioc32.c + * + * 32-bit ioctl compatibility routines for the R128 DRM. + * + * \author Dave Airlie <airlied@linux.ie> with code from patches by Egbert Eich + * + * Copyright (C) Paul Mackerras 2005 + * Copyright (C) Egbert Eich 2003,2004 + * Copyright (C) Dave Airlie 2005 + * 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 AUTHOR 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. + */ + +#include <linux/compat.h> + +#include <drm/r128_drm.h> + +#include "r128_drv.h" + +typedef struct drm_r128_init32 { + int func; + unsigned int sarea_priv_offset; + int is_pci; + int cce_mode; + int cce_secure; + int ring_size; + int usec_timeout; + + unsigned int fb_bpp; + unsigned int front_offset, front_pitch; + unsigned int back_offset, back_pitch; + unsigned int depth_bpp; + unsigned int depth_offset, depth_pitch; + unsigned int span_offset; + + unsigned int fb_offset; + unsigned int mmio_offset; + unsigned int ring_offset; + unsigned int ring_rptr_offset; + unsigned int buffers_offset; + unsigned int agp_textures_offset; +} drm_r128_init32_t; + +static int compat_r128_init(struct file *file, unsigned int cmd, + unsigned long arg) +{ + drm_r128_init32_t init32; + drm_r128_init_t init; + + if (copy_from_user(&init32, (void __user *)arg, sizeof(init32))) + return -EFAULT; + + init.func = init32.func; + init.sarea_priv_offset = init32.sarea_priv_offset; + init.is_pci = init32.is_pci; + init.cce_mode = init32.cce_mode; + init.cce_secure = init32.cce_secure; + init.ring_size = init32.ring_size; + init.usec_timeout = init32.usec_timeout; + init.fb_bpp = init32.fb_bpp; + init.front_offset = init32.front_offset; + init.front_pitch = init32.front_pitch; + init.back_offset = init32.back_offset; + init.back_pitch = init32.back_pitch; + init.depth_bpp = init32.depth_bpp; + init.depth_offset = init32.depth_offset; + init.depth_pitch = init32.depth_pitch; + init.span_offset = init32.span_offset; + init.fb_offset = init32.fb_offset; + init.mmio_offset = init32.mmio_offset; + init.ring_offset = init32.ring_offset; + init.ring_rptr_offset = init32.ring_rptr_offset; + init.buffers_offset = init32.buffers_offset; + init.agp_textures_offset = init32.agp_textures_offset; + + return drm_ioctl_kernel(file, r128_cce_init, &init, + DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); +} + +typedef struct drm_r128_depth32 { + int func; + int n; + u32 x; + u32 y; + u32 buffer; + u32 mask; +} drm_r128_depth32_t; + +static int compat_r128_depth(struct file *file, unsigned int cmd, + unsigned long arg) +{ + drm_r128_depth32_t depth32; + drm_r128_depth_t depth; + + if (copy_from_user(&depth32, (void __user *)arg, sizeof(depth32))) + return -EFAULT; + + depth.func = depth32.func; + depth.n = depth32.n; + depth.x = compat_ptr(depth32.x); + depth.y = compat_ptr(depth32.y); + depth.buffer = compat_ptr(depth32.buffer); + depth.mask = compat_ptr(depth32.mask); + + return drm_ioctl_kernel(file, r128_cce_depth, &depth, DRM_AUTH); +} + +typedef struct drm_r128_stipple32 { + u32 mask; +} drm_r128_stipple32_t; + +static int compat_r128_stipple(struct file *file, unsigned int cmd, + unsigned long arg) +{ + drm_r128_stipple32_t stipple32; + drm_r128_stipple_t stipple; + + if (copy_from_user(&stipple32, (void __user *)arg, sizeof(stipple32))) + return -EFAULT; + + stipple.mask = compat_ptr(stipple32.mask); + + return drm_ioctl_kernel(file, r128_cce_stipple, &stipple, DRM_AUTH); +} + +typedef struct drm_r128_getparam32 { + int param; + u32 value; +} drm_r128_getparam32_t; + +static int compat_r128_getparam(struct file *file, unsigned int cmd, + unsigned long arg) +{ + drm_r128_getparam32_t getparam32; + drm_r128_getparam_t getparam; + + if (copy_from_user(&getparam32, (void __user *)arg, sizeof(getparam32))) + return -EFAULT; + + getparam.param = getparam32.param; + getparam.value = compat_ptr(getparam32.value); + + return drm_ioctl_kernel(file, r128_getparam, &getparam, DRM_AUTH); +} + +drm_ioctl_compat_t *r128_compat_ioctls[] = { + [DRM_R128_INIT] = compat_r128_init, + [DRM_R128_DEPTH] = compat_r128_depth, + [DRM_R128_STIPPLE] = compat_r128_stipple, + [DRM_R128_GETPARAM] = compat_r128_getparam, +}; + +/** + * r128_compat_ioctl - Called whenever a 32-bit process running under + * a 64-bit kernel performs an ioctl on /dev/dri/card<n>. + * + * @filp: file pointer. + * @cmd: command. + * @arg: user argument. + * return: zero on success or negative number on failure. + */ +long r128_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + unsigned int nr = DRM_IOCTL_NR(cmd); + drm_ioctl_compat_t *fn = NULL; + int ret; + + if (nr < DRM_COMMAND_BASE) + return drm_compat_ioctl(filp, cmd, arg); + + if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(r128_compat_ioctls)) + fn = r128_compat_ioctls[nr - DRM_COMMAND_BASE]; + + if (fn != NULL) + ret = (*fn) (filp, cmd, arg); + else + ret = drm_ioctl(filp, cmd, arg); + + return ret; +} diff --git a/drivers/gpu/drm/r128/r128_irq.c b/drivers/gpu/drm/r128/r128_irq.c new file mode 100644 index 000000000..d84e9c96e --- /dev/null +++ b/drivers/gpu/drm/r128/r128_irq.c @@ -0,0 +1,118 @@ +/* r128_irq.c -- IRQ handling for radeon -*- linux-c -*- */ +/* + * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. + * + * The Weather Channel (TM) funded Tungsten Graphics to develop the + * initial release of the Radeon 8500 driver under the XFree86 license. + * This notice must be preserved. + * + * 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: + * Keith Whitwell <keith@tungstengraphics.com> + * Eric Anholt <anholt@FreeBSD.org> + */ + +#include <drm/drm_device.h> +#include <drm/drm_print.h> +#include <drm/drm_vblank.h> +#include <drm/r128_drm.h> + +#include "r128_drv.h" + +u32 r128_get_vblank_counter(struct drm_device *dev, unsigned int pipe) +{ + const drm_r128_private_t *dev_priv = dev->dev_private; + + if (pipe != 0) + return 0; + + return atomic_read(&dev_priv->vbl_received); +} + +irqreturn_t r128_driver_irq_handler(int irq, void *arg) +{ + struct drm_device *dev = (struct drm_device *) arg; + drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private; + int status; + + status = R128_READ(R128_GEN_INT_STATUS); + + /* VBLANK interrupt */ + if (status & R128_CRTC_VBLANK_INT) { + R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK); + atomic_inc(&dev_priv->vbl_received); + drm_handle_vblank(dev, 0); + return IRQ_HANDLED; + } + return IRQ_NONE; +} + +int r128_enable_vblank(struct drm_device *dev, unsigned int pipe) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + + if (pipe != 0) { + DRM_ERROR("%s: bad crtc %u\n", __func__, pipe); + return -EINVAL; + } + + R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN); + return 0; +} + +void r128_disable_vblank(struct drm_device *dev, unsigned int pipe) +{ + if (pipe != 0) + DRM_ERROR("%s: bad crtc %u\n", __func__, pipe); + + /* + * FIXME: implement proper interrupt disable by using the vblank + * counter register (if available) + * + * R128_WRITE(R128_GEN_INT_CNTL, + * R128_READ(R128_GEN_INT_CNTL) & ~R128_CRTC_VBLANK_INT_EN); + */ +} + +void r128_driver_irq_preinstall(struct drm_device *dev) +{ + drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private; + + /* Disable *all* interrupts */ + R128_WRITE(R128_GEN_INT_CNTL, 0); + /* Clear vblank bit if it's already high */ + R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK); +} + +int r128_driver_irq_postinstall(struct drm_device *dev) +{ + return 0; +} + +void r128_driver_irq_uninstall(struct drm_device *dev) +{ + drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private; + if (!dev_priv) + return; + + /* Disable *all* interrupts */ + R128_WRITE(R128_GEN_INT_CNTL, 0); +} diff --git a/drivers/gpu/drm/r128/r128_state.c b/drivers/gpu/drm/r128/r128_state.c new file mode 100644 index 000000000..ac13fc2a0 --- /dev/null +++ b/drivers/gpu/drm/r128/r128_state.c @@ -0,0 +1,1641 @@ +/* r128_state.c -- State support for r128 -*- linux-c -*- + * Created: Thu Jan 27 02:53:43 2000 by gareth@valinux.com + */ +/* + * 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: + * Gareth Hughes <gareth@valinux.com> + */ + +#include <linux/pci.h> +#include <linux/slab.h> +#include <linux/uaccess.h> + +#include <drm/drm_device.h> +#include <drm/drm_file.h> +#include <drm/drm_print.h> +#include <drm/r128_drm.h> + +#include "r128_drv.h" + +/* ================================================================ + * CCE hardware state programming functions + */ + +static void r128_emit_clip_rects(drm_r128_private_t *dev_priv, + struct drm_clip_rect *boxes, int count) +{ + u32 aux_sc_cntl = 0x00000000; + RING_LOCALS; + DRM_DEBUG("\n"); + + BEGIN_RING((count < 3 ? count : 3) * 5 + 2); + + if (count >= 1) { + OUT_RING(CCE_PACKET0(R128_AUX1_SC_LEFT, 3)); + OUT_RING(boxes[0].x1); + OUT_RING(boxes[0].x2 - 1); + OUT_RING(boxes[0].y1); + OUT_RING(boxes[0].y2 - 1); + + aux_sc_cntl |= (R128_AUX1_SC_EN | R128_AUX1_SC_MODE_OR); + } + if (count >= 2) { + OUT_RING(CCE_PACKET0(R128_AUX2_SC_LEFT, 3)); + OUT_RING(boxes[1].x1); + OUT_RING(boxes[1].x2 - 1); + OUT_RING(boxes[1].y1); + OUT_RING(boxes[1].y2 - 1); + + aux_sc_cntl |= (R128_AUX2_SC_EN | R128_AUX2_SC_MODE_OR); + } + if (count >= 3) { + OUT_RING(CCE_PACKET0(R128_AUX3_SC_LEFT, 3)); + OUT_RING(boxes[2].x1); + OUT_RING(boxes[2].x2 - 1); + OUT_RING(boxes[2].y1); + OUT_RING(boxes[2].y2 - 1); + + aux_sc_cntl |= (R128_AUX3_SC_EN | R128_AUX3_SC_MODE_OR); + } + + OUT_RING(CCE_PACKET0(R128_AUX_SC_CNTL, 0)); + OUT_RING(aux_sc_cntl); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_core(drm_r128_private_t *dev_priv) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_context_regs_t *ctx = &sarea_priv->context_state; + RING_LOCALS; + DRM_DEBUG("\n"); + + BEGIN_RING(2); + + OUT_RING(CCE_PACKET0(R128_SCALE_3D_CNTL, 0)); + OUT_RING(ctx->scale_3d_cntl); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_context(drm_r128_private_t *dev_priv) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_context_regs_t *ctx = &sarea_priv->context_state; + RING_LOCALS; + DRM_DEBUG("\n"); + + BEGIN_RING(13); + + OUT_RING(CCE_PACKET0(R128_DST_PITCH_OFFSET_C, 11)); + OUT_RING(ctx->dst_pitch_offset_c); + OUT_RING(ctx->dp_gui_master_cntl_c); + OUT_RING(ctx->sc_top_left_c); + OUT_RING(ctx->sc_bottom_right_c); + OUT_RING(ctx->z_offset_c); + OUT_RING(ctx->z_pitch_c); + OUT_RING(ctx->z_sten_cntl_c); + OUT_RING(ctx->tex_cntl_c); + OUT_RING(ctx->misc_3d_state_cntl_reg); + OUT_RING(ctx->texture_clr_cmp_clr_c); + OUT_RING(ctx->texture_clr_cmp_msk_c); + OUT_RING(ctx->fog_color_c); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_setup(drm_r128_private_t *dev_priv) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_context_regs_t *ctx = &sarea_priv->context_state; + RING_LOCALS; + DRM_DEBUG("\n"); + + BEGIN_RING(3); + + OUT_RING(CCE_PACKET1(R128_SETUP_CNTL, R128_PM4_VC_FPU_SETUP)); + OUT_RING(ctx->setup_cntl); + OUT_RING(ctx->pm4_vc_fpu_setup); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_masks(drm_r128_private_t *dev_priv) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_context_regs_t *ctx = &sarea_priv->context_state; + RING_LOCALS; + DRM_DEBUG("\n"); + + BEGIN_RING(5); + + OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0)); + OUT_RING(ctx->dp_write_mask); + + OUT_RING(CCE_PACKET0(R128_STEN_REF_MASK_C, 1)); + OUT_RING(ctx->sten_ref_mask_c); + OUT_RING(ctx->plane_3d_mask_c); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_window(drm_r128_private_t *dev_priv) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_context_regs_t *ctx = &sarea_priv->context_state; + RING_LOCALS; + DRM_DEBUG("\n"); + + BEGIN_RING(2); + + OUT_RING(CCE_PACKET0(R128_WINDOW_XY_OFFSET, 0)); + OUT_RING(ctx->window_xy_offset); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_tex0(drm_r128_private_t *dev_priv) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_context_regs_t *ctx = &sarea_priv->context_state; + drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[0]; + int i; + RING_LOCALS; + DRM_DEBUG("\n"); + + BEGIN_RING(7 + R128_MAX_TEXTURE_LEVELS); + + OUT_RING(CCE_PACKET0(R128_PRIM_TEX_CNTL_C, + 2 + R128_MAX_TEXTURE_LEVELS)); + OUT_RING(tex->tex_cntl); + OUT_RING(tex->tex_combine_cntl); + OUT_RING(ctx->tex_size_pitch_c); + for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++) + OUT_RING(tex->tex_offset[i]); + + OUT_RING(CCE_PACKET0(R128_CONSTANT_COLOR_C, 1)); + OUT_RING(ctx->constant_color_c); + OUT_RING(tex->tex_border_color); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_tex1(drm_r128_private_t *dev_priv) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[1]; + int i; + RING_LOCALS; + DRM_DEBUG("\n"); + + BEGIN_RING(5 + R128_MAX_TEXTURE_LEVELS); + + OUT_RING(CCE_PACKET0(R128_SEC_TEX_CNTL_C, 1 + R128_MAX_TEXTURE_LEVELS)); + OUT_RING(tex->tex_cntl); + OUT_RING(tex->tex_combine_cntl); + for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++) + OUT_RING(tex->tex_offset[i]); + + OUT_RING(CCE_PACKET0(R128_SEC_TEXTURE_BORDER_COLOR_C, 0)); + OUT_RING(tex->tex_border_color); + + ADVANCE_RING(); +} + +static void r128_emit_state(drm_r128_private_t *dev_priv) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int dirty = sarea_priv->dirty; + + DRM_DEBUG("dirty=0x%08x\n", dirty); + + if (dirty & R128_UPLOAD_CORE) { + r128_emit_core(dev_priv); + sarea_priv->dirty &= ~R128_UPLOAD_CORE; + } + + if (dirty & R128_UPLOAD_CONTEXT) { + r128_emit_context(dev_priv); + sarea_priv->dirty &= ~R128_UPLOAD_CONTEXT; + } + + if (dirty & R128_UPLOAD_SETUP) { + r128_emit_setup(dev_priv); + sarea_priv->dirty &= ~R128_UPLOAD_SETUP; + } + + if (dirty & R128_UPLOAD_MASKS) { + r128_emit_masks(dev_priv); + sarea_priv->dirty &= ~R128_UPLOAD_MASKS; + } + + if (dirty & R128_UPLOAD_WINDOW) { + r128_emit_window(dev_priv); + sarea_priv->dirty &= ~R128_UPLOAD_WINDOW; + } + + if (dirty & R128_UPLOAD_TEX0) { + r128_emit_tex0(dev_priv); + sarea_priv->dirty &= ~R128_UPLOAD_TEX0; + } + + if (dirty & R128_UPLOAD_TEX1) { + r128_emit_tex1(dev_priv); + sarea_priv->dirty &= ~R128_UPLOAD_TEX1; + } + + /* Turn off the texture cache flushing */ + sarea_priv->context_state.tex_cntl_c &= ~R128_TEX_CACHE_FLUSH; + + sarea_priv->dirty &= ~R128_REQUIRE_QUIESCENCE; +} + +#if R128_PERFORMANCE_BOXES +/* ================================================================ + * Performance monitoring functions + */ + +static void r128_clear_box(drm_r128_private_t *dev_priv, + int x, int y, int w, int h, int r, int g, int b) +{ + u32 pitch, offset; + u32 fb_bpp, color; + RING_LOCALS; + + switch (dev_priv->fb_bpp) { + case 16: + fb_bpp = R128_GMC_DST_16BPP; + color = (((r & 0xf8) << 8) | + ((g & 0xfc) << 3) | ((b & 0xf8) >> 3)); + break; + case 24: + fb_bpp = R128_GMC_DST_24BPP; + color = ((r << 16) | (g << 8) | b); + break; + case 32: + fb_bpp = R128_GMC_DST_32BPP; + color = (((0xff) << 24) | (r << 16) | (g << 8) | b); + break; + default: + return; + } + + offset = dev_priv->back_offset; + pitch = dev_priv->back_pitch >> 3; + + BEGIN_RING(6); + + OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); + OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + fb_bpp | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_AUX_CLIP_DIS); + + OUT_RING((pitch << 21) | (offset >> 5)); + OUT_RING(color); + + OUT_RING((x << 16) | y); + OUT_RING((w << 16) | h); + + ADVANCE_RING(); +} + +static void r128_cce_performance_boxes(drm_r128_private_t *dev_priv) +{ + if (atomic_read(&dev_priv->idle_count) == 0) + r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0); + else + atomic_set(&dev_priv->idle_count, 0); +} + +#endif + +/* ================================================================ + * CCE command dispatch functions + */ + +static void r128_print_dirty(const char *msg, unsigned int flags) +{ + DRM_INFO("%s: (0x%x) %s%s%s%s%s%s%s%s%s\n", + msg, + flags, + (flags & R128_UPLOAD_CORE) ? "core, " : "", + (flags & R128_UPLOAD_CONTEXT) ? "context, " : "", + (flags & R128_UPLOAD_SETUP) ? "setup, " : "", + (flags & R128_UPLOAD_TEX0) ? "tex0, " : "", + (flags & R128_UPLOAD_TEX1) ? "tex1, " : "", + (flags & R128_UPLOAD_MASKS) ? "masks, " : "", + (flags & R128_UPLOAD_WINDOW) ? "window, " : "", + (flags & R128_UPLOAD_CLIPRECTS) ? "cliprects, " : "", + (flags & R128_REQUIRE_QUIESCENCE) ? "quiescence, " : ""); +} + +static void r128_cce_dispatch_clear(struct drm_device *dev, + drm_r128_clear_t *clear) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + int nbox = sarea_priv->nbox; + struct drm_clip_rect *pbox = sarea_priv->boxes; + unsigned int flags = clear->flags; + int i; + RING_LOCALS; + DRM_DEBUG("\n"); + + if (dev_priv->page_flipping && dev_priv->current_page == 1) { + unsigned int tmp = flags; + + flags &= ~(R128_FRONT | R128_BACK); + if (tmp & R128_FRONT) + flags |= R128_BACK; + if (tmp & R128_BACK) + flags |= R128_FRONT; + } + + for (i = 0; i < nbox; i++) { + int x = pbox[i].x1; + int y = pbox[i].y1; + int w = pbox[i].x2 - x; + int h = pbox[i].y2 - y; + + DRM_DEBUG("dispatch clear %d,%d-%d,%d flags 0x%x\n", + pbox[i].x1, pbox[i].y1, pbox[i].x2, + pbox[i].y2, flags); + + if (flags & (R128_FRONT | R128_BACK)) { + BEGIN_RING(2); + + OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0)); + OUT_RING(clear->color_mask); + + ADVANCE_RING(); + } + + if (flags & R128_FRONT) { + BEGIN_RING(6); + + OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); + OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->color_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_AUX_CLIP_DIS); + + OUT_RING(dev_priv->front_pitch_offset_c); + OUT_RING(clear->clear_color); + + OUT_RING((x << 16) | y); + OUT_RING((w << 16) | h); + + ADVANCE_RING(); + } + + if (flags & R128_BACK) { + BEGIN_RING(6); + + OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); + OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->color_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_AUX_CLIP_DIS); + + OUT_RING(dev_priv->back_pitch_offset_c); + OUT_RING(clear->clear_color); + + OUT_RING((x << 16) | y); + OUT_RING((w << 16) | h); + + ADVANCE_RING(); + } + + if (flags & R128_DEPTH) { + BEGIN_RING(6); + + OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); + OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS); + + OUT_RING(dev_priv->depth_pitch_offset_c); + OUT_RING(clear->clear_depth); + + OUT_RING((x << 16) | y); + OUT_RING((w << 16) | h); + + ADVANCE_RING(); + } + } +} + +static void r128_cce_dispatch_swap(struct drm_device *dev) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + int nbox = sarea_priv->nbox; + struct drm_clip_rect *pbox = sarea_priv->boxes; + int i; + RING_LOCALS; + DRM_DEBUG("\n"); + +#if R128_PERFORMANCE_BOXES + /* Do some trivial performance monitoring... + */ + r128_cce_performance_boxes(dev_priv); +#endif + + for (i = 0; i < nbox; i++) { + int x = pbox[i].x1; + int y = pbox[i].y1; + int w = pbox[i].x2 - x; + int h = pbox[i].y2 - y; + + BEGIN_RING(7); + + OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5)); + OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL | + R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_NONE | + (dev_priv->color_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_S | + R128_DP_SRC_SOURCE_MEMORY | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS); + + /* Make this work even if front & back are flipped: + */ + if (dev_priv->current_page == 0) { + OUT_RING(dev_priv->back_pitch_offset_c); + OUT_RING(dev_priv->front_pitch_offset_c); + } else { + OUT_RING(dev_priv->front_pitch_offset_c); + OUT_RING(dev_priv->back_pitch_offset_c); + } + + OUT_RING((x << 16) | y); + OUT_RING((x << 16) | y); + OUT_RING((w << 16) | h); + + ADVANCE_RING(); + } + + /* Increment the frame counter. The client-side 3D driver must + * throttle the framerate by waiting for this value before + * performing the swapbuffer ioctl. + */ + dev_priv->sarea_priv->last_frame++; + + BEGIN_RING(2); + + OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0)); + OUT_RING(dev_priv->sarea_priv->last_frame); + + ADVANCE_RING(); +} + +static void r128_cce_dispatch_flip(struct drm_device *dev) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + DRM_DEBUG("page=%d pfCurrentPage=%d\n", + dev_priv->current_page, dev_priv->sarea_priv->pfCurrentPage); + +#if R128_PERFORMANCE_BOXES + /* Do some trivial performance monitoring... + */ + r128_cce_performance_boxes(dev_priv); +#endif + + BEGIN_RING(4); + + R128_WAIT_UNTIL_PAGE_FLIPPED(); + OUT_RING(CCE_PACKET0(R128_CRTC_OFFSET, 0)); + + if (dev_priv->current_page == 0) + OUT_RING(dev_priv->back_offset); + else + OUT_RING(dev_priv->front_offset); + + ADVANCE_RING(); + + /* Increment the frame counter. The client-side 3D driver must + * throttle the framerate by waiting for this value before + * performing the swapbuffer ioctl. + */ + dev_priv->sarea_priv->last_frame++; + dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page = + 1 - dev_priv->current_page; + + BEGIN_RING(2); + + OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0)); + OUT_RING(dev_priv->sarea_priv->last_frame); + + ADVANCE_RING(); +} + +static void r128_cce_dispatch_vertex(struct drm_device *dev, struct drm_buf *buf) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_buf_priv_t *buf_priv = buf->dev_private; + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + int format = sarea_priv->vc_format; + int offset = buf->bus_address; + int size = buf->used; + int prim = buf_priv->prim; + int i = 0; + RING_LOCALS; + DRM_DEBUG("buf=%d nbox=%d\n", buf->idx, sarea_priv->nbox); + + if (0) + r128_print_dirty("dispatch_vertex", sarea_priv->dirty); + + if (buf->used) { + buf_priv->dispatched = 1; + + if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS) + r128_emit_state(dev_priv); + + do { + /* Emit the next set of up to three cliprects */ + if (i < sarea_priv->nbox) { + r128_emit_clip_rects(dev_priv, + &sarea_priv->boxes[i], + sarea_priv->nbox - i); + } + + /* Emit the vertex buffer rendering commands */ + BEGIN_RING(5); + + OUT_RING(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM, 3)); + OUT_RING(offset); + OUT_RING(size); + OUT_RING(format); + OUT_RING(prim | R128_CCE_VC_CNTL_PRIM_WALK_LIST | + (size << R128_CCE_VC_CNTL_NUM_SHIFT)); + + ADVANCE_RING(); + + i += 3; + } while (i < sarea_priv->nbox); + } + + if (buf_priv->discard) { + buf_priv->age = dev_priv->sarea_priv->last_dispatch; + + /* Emit the vertex buffer age */ + BEGIN_RING(2); + + OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0)); + OUT_RING(buf_priv->age); + + ADVANCE_RING(); + + buf->pending = 1; + buf->used = 0; + /* FIXME: Check dispatched field */ + buf_priv->dispatched = 0; + } + + dev_priv->sarea_priv->last_dispatch++; + + sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS; + sarea_priv->nbox = 0; +} + +static void r128_cce_dispatch_indirect(struct drm_device *dev, + struct drm_buf *buf, int start, int end) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_buf_priv_t *buf_priv = buf->dev_private; + RING_LOCALS; + DRM_DEBUG("indirect: buf=%d s=0x%x e=0x%x\n", buf->idx, start, end); + + if (start != end) { + int offset = buf->bus_address + start; + int dwords = (end - start + 3) / sizeof(u32); + + /* Indirect buffer data must be an even number of + * dwords, so if we've been given an odd number we must + * pad the data with a Type-2 CCE packet. + */ + if (dwords & 1) { + u32 *data = (u32 *) + ((char *)dev->agp_buffer_map->handle + + buf->offset + start); + data[dwords++] = cpu_to_le32(R128_CCE_PACKET2); + } + + buf_priv->dispatched = 1; + + /* Fire off the indirect buffer */ + BEGIN_RING(3); + + OUT_RING(CCE_PACKET0(R128_PM4_IW_INDOFF, 1)); + OUT_RING(offset); + OUT_RING(dwords); + + ADVANCE_RING(); + } + + if (buf_priv->discard) { + buf_priv->age = dev_priv->sarea_priv->last_dispatch; + + /* Emit the indirect buffer age */ + BEGIN_RING(2); + + OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0)); + OUT_RING(buf_priv->age); + + ADVANCE_RING(); + + buf->pending = 1; + buf->used = 0; + /* FIXME: Check dispatched field */ + buf_priv->dispatched = 0; + } + + dev_priv->sarea_priv->last_dispatch++; +} + +static void r128_cce_dispatch_indices(struct drm_device *dev, + struct drm_buf *buf, + int start, int end, int count) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_buf_priv_t *buf_priv = buf->dev_private; + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + int format = sarea_priv->vc_format; + int offset = dev->agp_buffer_map->offset - dev_priv->cce_buffers_offset; + int prim = buf_priv->prim; + u32 *data; + int dwords; + int i = 0; + RING_LOCALS; + DRM_DEBUG("indices: s=%d e=%d c=%d\n", start, end, count); + + if (0) + r128_print_dirty("dispatch_indices", sarea_priv->dirty); + + if (start != end) { + buf_priv->dispatched = 1; + + if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS) + r128_emit_state(dev_priv); + + dwords = (end - start + 3) / sizeof(u32); + + data = (u32 *) ((char *)dev->agp_buffer_map->handle + + buf->offset + start); + + data[0] = cpu_to_le32(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM, + dwords - 2)); + + data[1] = cpu_to_le32(offset); + data[2] = cpu_to_le32(R128_MAX_VB_VERTS); + data[3] = cpu_to_le32(format); + data[4] = cpu_to_le32((prim | R128_CCE_VC_CNTL_PRIM_WALK_IND | + (count << 16))); + + if (count & 0x1) { +#ifdef __LITTLE_ENDIAN + data[dwords - 1] &= 0x0000ffff; +#else + data[dwords - 1] &= 0xffff0000; +#endif + } + + do { + /* Emit the next set of up to three cliprects */ + if (i < sarea_priv->nbox) { + r128_emit_clip_rects(dev_priv, + &sarea_priv->boxes[i], + sarea_priv->nbox - i); + } + + r128_cce_dispatch_indirect(dev, buf, start, end); + + i += 3; + } while (i < sarea_priv->nbox); + } + + if (buf_priv->discard) { + buf_priv->age = dev_priv->sarea_priv->last_dispatch; + + /* Emit the vertex buffer age */ + BEGIN_RING(2); + + OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0)); + OUT_RING(buf_priv->age); + + ADVANCE_RING(); + + buf->pending = 1; + /* FIXME: Check dispatched field */ + buf_priv->dispatched = 0; + } + + dev_priv->sarea_priv->last_dispatch++; + + sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS; + sarea_priv->nbox = 0; +} + +static int r128_cce_dispatch_blit(struct drm_device *dev, + struct drm_file *file_priv, + drm_r128_blit_t *blit) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + struct drm_device_dma *dma = dev->dma; + struct drm_buf *buf; + drm_r128_buf_priv_t *buf_priv; + u32 *data; + int dword_shift, dwords; + RING_LOCALS; + DRM_DEBUG("\n"); + + /* The compiler won't optimize away a division by a variable, + * even if the only legal values are powers of two. Thus, we'll + * use a shift instead. + */ + switch (blit->format) { + case R128_DATATYPE_ARGB8888: + dword_shift = 0; + break; + case R128_DATATYPE_ARGB1555: + case R128_DATATYPE_RGB565: + case R128_DATATYPE_ARGB4444: + case R128_DATATYPE_YVYU422: + case R128_DATATYPE_VYUY422: + dword_shift = 1; + break; + case R128_DATATYPE_CI8: + case R128_DATATYPE_RGB8: + dword_shift = 2; + break; + default: + DRM_ERROR("invalid blit format %d\n", blit->format); + return -EINVAL; + } + + /* Flush the pixel cache, and mark the contents as Read Invalid. + * This ensures no pixel data gets mixed up with the texture + * data from the host data blit, otherwise part of the texture + * image may be corrupted. + */ + BEGIN_RING(2); + + OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0)); + OUT_RING(R128_PC_RI_GUI | R128_PC_FLUSH_GUI); + + ADVANCE_RING(); + + /* Dispatch the indirect buffer. + */ + buf = dma->buflist[blit->idx]; + buf_priv = buf->dev_private; + + if (buf->file_priv != file_priv) { + DRM_ERROR("process %d using buffer owned by %p\n", + task_pid_nr(current), buf->file_priv); + return -EINVAL; + } + if (buf->pending) { + DRM_ERROR("sending pending buffer %d\n", blit->idx); + return -EINVAL; + } + + buf_priv->discard = 1; + + dwords = (blit->width * blit->height) >> dword_shift; + + data = (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset); + + data[0] = cpu_to_le32(CCE_PACKET3(R128_CNTL_HOSTDATA_BLT, dwords + 6)); + data[1] = cpu_to_le32((R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_NONE | + (blit->format << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_S | + R128_DP_SRC_SOURCE_HOST_DATA | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS)); + + data[2] = cpu_to_le32((blit->pitch << 21) | (blit->offset >> 5)); + data[3] = cpu_to_le32(0xffffffff); + data[4] = cpu_to_le32(0xffffffff); + data[5] = cpu_to_le32((blit->y << 16) | blit->x); + data[6] = cpu_to_le32((blit->height << 16) | blit->width); + data[7] = cpu_to_le32(dwords); + + buf->used = (dwords + 8) * sizeof(u32); + + r128_cce_dispatch_indirect(dev, buf, 0, buf->used); + + /* Flush the pixel cache after the blit completes. This ensures + * the texture data is written out to memory before rendering + * continues. + */ + BEGIN_RING(2); + + OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0)); + OUT_RING(R128_PC_FLUSH_GUI); + + ADVANCE_RING(); + + return 0; +} + +/* ================================================================ + * Tiled depth buffer management + * + * FIXME: These should all set the destination write mask for when we + * have hardware stencil support. + */ + +static int r128_cce_dispatch_write_span(struct drm_device *dev, + drm_r128_depth_t *depth) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + int count, x, y; + u32 *buffer; + u8 *mask; + int i, buffer_size, mask_size; + RING_LOCALS; + DRM_DEBUG("\n"); + + count = depth->n; + if (count > 4096 || count <= 0) + return -EMSGSIZE; + + if (copy_from_user(&x, depth->x, sizeof(x))) + return -EFAULT; + if (copy_from_user(&y, depth->y, sizeof(y))) + return -EFAULT; + + buffer_size = depth->n * sizeof(u32); + buffer = memdup_user(depth->buffer, buffer_size); + if (IS_ERR(buffer)) + return PTR_ERR(buffer); + + mask_size = depth->n; + if (depth->mask) { + mask = memdup_user(depth->mask, mask_size); + if (IS_ERR(mask)) { + kfree(buffer); + return PTR_ERR(mask); + } + + for (i = 0; i < count; i++, x++) { + if (mask[i]) { + BEGIN_RING(6); + + OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); + OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_WR_MSK_DIS); + + OUT_RING(dev_priv->depth_pitch_offset_c); + OUT_RING(buffer[i]); + + OUT_RING((x << 16) | y); + OUT_RING((1 << 16) | 1); + + ADVANCE_RING(); + } + } + + kfree(mask); + } else { + for (i = 0; i < count; i++, x++) { + BEGIN_RING(6); + + OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); + OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_WR_MSK_DIS); + + OUT_RING(dev_priv->depth_pitch_offset_c); + OUT_RING(buffer[i]); + + OUT_RING((x << 16) | y); + OUT_RING((1 << 16) | 1); + + ADVANCE_RING(); + } + } + + kfree(buffer); + + return 0; +} + +static int r128_cce_dispatch_write_pixels(struct drm_device *dev, + drm_r128_depth_t *depth) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + int count, *x, *y; + u32 *buffer; + u8 *mask; + int i, xbuf_size, ybuf_size, buffer_size, mask_size; + RING_LOCALS; + DRM_DEBUG("\n"); + + count = depth->n; + if (count > 4096 || count <= 0) + return -EMSGSIZE; + + xbuf_size = count * sizeof(*x); + ybuf_size = count * sizeof(*y); + x = memdup_user(depth->x, xbuf_size); + if (IS_ERR(x)) + return PTR_ERR(x); + y = memdup_user(depth->y, ybuf_size); + if (IS_ERR(y)) { + kfree(x); + return PTR_ERR(y); + } + buffer_size = depth->n * sizeof(u32); + buffer = memdup_user(depth->buffer, buffer_size); + if (IS_ERR(buffer)) { + kfree(x); + kfree(y); + return PTR_ERR(buffer); + } + + if (depth->mask) { + mask_size = depth->n; + mask = memdup_user(depth->mask, mask_size); + if (IS_ERR(mask)) { + kfree(x); + kfree(y); + kfree(buffer); + return PTR_ERR(mask); + } + + for (i = 0; i < count; i++) { + if (mask[i]) { + BEGIN_RING(6); + + OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); + OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_WR_MSK_DIS); + + OUT_RING(dev_priv->depth_pitch_offset_c); + OUT_RING(buffer[i]); + + OUT_RING((x[i] << 16) | y[i]); + OUT_RING((1 << 16) | 1); + + ADVANCE_RING(); + } + } + + kfree(mask); + } else { + for (i = 0; i < count; i++) { + BEGIN_RING(6); + + OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); + OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_WR_MSK_DIS); + + OUT_RING(dev_priv->depth_pitch_offset_c); + OUT_RING(buffer[i]); + + OUT_RING((x[i] << 16) | y[i]); + OUT_RING((1 << 16) | 1); + + ADVANCE_RING(); + } + } + + kfree(x); + kfree(y); + kfree(buffer); + + return 0; +} + +static int r128_cce_dispatch_read_span(struct drm_device *dev, + drm_r128_depth_t *depth) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + int count, x, y; + RING_LOCALS; + DRM_DEBUG("\n"); + + count = depth->n; + if (count > 4096 || count <= 0) + return -EMSGSIZE; + + if (copy_from_user(&x, depth->x, sizeof(x))) + return -EFAULT; + if (copy_from_user(&y, depth->y, sizeof(y))) + return -EFAULT; + + BEGIN_RING(7); + + OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5)); + OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL | + R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_NONE | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_S | + R128_DP_SRC_SOURCE_MEMORY | + R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS); + + OUT_RING(dev_priv->depth_pitch_offset_c); + OUT_RING(dev_priv->span_pitch_offset_c); + + OUT_RING((x << 16) | y); + OUT_RING((0 << 16) | 0); + OUT_RING((count << 16) | 1); + + ADVANCE_RING(); + + return 0; +} + +static int r128_cce_dispatch_read_pixels(struct drm_device *dev, + drm_r128_depth_t *depth) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + int count, *x, *y; + int i, xbuf_size, ybuf_size; + RING_LOCALS; + DRM_DEBUG("\n"); + + count = depth->n; + if (count > 4096 || count <= 0) + return -EMSGSIZE; + + if (count > dev_priv->depth_pitch) + count = dev_priv->depth_pitch; + + xbuf_size = count * sizeof(*x); + ybuf_size = count * sizeof(*y); + x = kmalloc(xbuf_size, GFP_KERNEL); + if (x == NULL) + return -ENOMEM; + y = kmalloc(ybuf_size, GFP_KERNEL); + if (y == NULL) { + kfree(x); + return -ENOMEM; + } + if (copy_from_user(x, depth->x, xbuf_size)) { + kfree(x); + kfree(y); + return -EFAULT; + } + if (copy_from_user(y, depth->y, ybuf_size)) { + kfree(x); + kfree(y); + return -EFAULT; + } + + for (i = 0; i < count; i++) { + BEGIN_RING(7); + + OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5)); + OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL | + R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_NONE | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_S | + R128_DP_SRC_SOURCE_MEMORY | + R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS); + + OUT_RING(dev_priv->depth_pitch_offset_c); + OUT_RING(dev_priv->span_pitch_offset_c); + + OUT_RING((x[i] << 16) | y[i]); + OUT_RING((i << 16) | 0); + OUT_RING((1 << 16) | 1); + + ADVANCE_RING(); + } + + kfree(x); + kfree(y); + + return 0; +} + +/* ================================================================ + * Polygon stipple + */ + +static void r128_cce_dispatch_stipple(struct drm_device *dev, u32 *stipple) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + int i; + RING_LOCALS; + DRM_DEBUG("\n"); + + BEGIN_RING(33); + + OUT_RING(CCE_PACKET0(R128_BRUSH_DATA0, 31)); + for (i = 0; i < 32; i++) + OUT_RING(stipple[i]); + + ADVANCE_RING(); +} + +/* ================================================================ + * IOCTL functions + */ + +static int r128_cce_clear(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_sarea_t *sarea_priv; + drm_r128_clear_t *clear = data; + DRM_DEBUG("\n"); + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + RING_SPACE_TEST_WITH_RETURN(dev_priv); + + sarea_priv = dev_priv->sarea_priv; + + if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS) + sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS; + + r128_cce_dispatch_clear(dev, clear); + COMMIT_RING(); + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS; + + return 0; +} + +static int r128_do_init_pageflip(struct drm_device *dev) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + DRM_DEBUG("\n"); + + dev_priv->crtc_offset = R128_READ(R128_CRTC_OFFSET); + dev_priv->crtc_offset_cntl = R128_READ(R128_CRTC_OFFSET_CNTL); + + R128_WRITE(R128_CRTC_OFFSET, dev_priv->front_offset); + R128_WRITE(R128_CRTC_OFFSET_CNTL, + dev_priv->crtc_offset_cntl | R128_CRTC_OFFSET_FLIP_CNTL); + + dev_priv->page_flipping = 1; + dev_priv->current_page = 0; + dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page; + + return 0; +} + +static int r128_do_cleanup_pageflip(struct drm_device *dev) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + DRM_DEBUG("\n"); + + R128_WRITE(R128_CRTC_OFFSET, dev_priv->crtc_offset); + R128_WRITE(R128_CRTC_OFFSET_CNTL, dev_priv->crtc_offset_cntl); + + if (dev_priv->current_page != 0) { + r128_cce_dispatch_flip(dev); + COMMIT_RING(); + } + + dev_priv->page_flipping = 0; + return 0; +} + +/* Swapping and flipping are different operations, need different ioctls. + * They can & should be intermixed to support multiple 3d windows. + */ + +static int r128_cce_flip(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + DRM_DEBUG("\n"); + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + RING_SPACE_TEST_WITH_RETURN(dev_priv); + + if (!dev_priv->page_flipping) + r128_do_init_pageflip(dev); + + r128_cce_dispatch_flip(dev); + + COMMIT_RING(); + return 0; +} + +static int r128_cce_swap(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + DRM_DEBUG("\n"); + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + RING_SPACE_TEST_WITH_RETURN(dev_priv); + + if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS) + sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS; + + r128_cce_dispatch_swap(dev); + dev_priv->sarea_priv->dirty |= (R128_UPLOAD_CONTEXT | + R128_UPLOAD_MASKS); + + COMMIT_RING(); + return 0; +} + +static int r128_cce_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + struct drm_device_dma *dma = dev->dma; + struct drm_buf *buf; + drm_r128_buf_priv_t *buf_priv; + drm_r128_vertex_t *vertex = data; + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + DRM_DEBUG("pid=%d index=%d count=%d discard=%d\n", + task_pid_nr(current), vertex->idx, vertex->count, vertex->discard); + + if (vertex->idx < 0 || vertex->idx >= dma->buf_count) { + DRM_ERROR("buffer index %d (of %d max)\n", + vertex->idx, dma->buf_count - 1); + return -EINVAL; + } + if (vertex->prim < 0 || + vertex->prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) { + DRM_ERROR("buffer prim %d\n", vertex->prim); + return -EINVAL; + } + + RING_SPACE_TEST_WITH_RETURN(dev_priv); + VB_AGE_TEST_WITH_RETURN(dev_priv); + + buf = dma->buflist[vertex->idx]; + buf_priv = buf->dev_private; + + if (buf->file_priv != file_priv) { + DRM_ERROR("process %d using buffer owned by %p\n", + task_pid_nr(current), buf->file_priv); + return -EINVAL; + } + if (buf->pending) { + DRM_ERROR("sending pending buffer %d\n", vertex->idx); + return -EINVAL; + } + + buf->used = vertex->count; + buf_priv->prim = vertex->prim; + buf_priv->discard = vertex->discard; + + r128_cce_dispatch_vertex(dev, buf); + + COMMIT_RING(); + return 0; +} + +static int r128_cce_indices(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + struct drm_device_dma *dma = dev->dma; + struct drm_buf *buf; + drm_r128_buf_priv_t *buf_priv; + drm_r128_indices_t *elts = data; + int count; + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + DRM_DEBUG("pid=%d buf=%d s=%d e=%d d=%d\n", task_pid_nr(current), + elts->idx, elts->start, elts->end, elts->discard); + + if (elts->idx < 0 || elts->idx >= dma->buf_count) { + DRM_ERROR("buffer index %d (of %d max)\n", + elts->idx, dma->buf_count - 1); + return -EINVAL; + } + if (elts->prim < 0 || + elts->prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) { + DRM_ERROR("buffer prim %d\n", elts->prim); + return -EINVAL; + } + + RING_SPACE_TEST_WITH_RETURN(dev_priv); + VB_AGE_TEST_WITH_RETURN(dev_priv); + + buf = dma->buflist[elts->idx]; + buf_priv = buf->dev_private; + + if (buf->file_priv != file_priv) { + DRM_ERROR("process %d using buffer owned by %p\n", + task_pid_nr(current), buf->file_priv); + return -EINVAL; + } + if (buf->pending) { + DRM_ERROR("sending pending buffer %d\n", elts->idx); + return -EINVAL; + } + + count = (elts->end - elts->start) / sizeof(u16); + elts->start -= R128_INDEX_PRIM_OFFSET; + + if (elts->start & 0x7) { + DRM_ERROR("misaligned buffer 0x%x\n", elts->start); + return -EINVAL; + } + if (elts->start < buf->used) { + DRM_ERROR("no header 0x%x - 0x%x\n", elts->start, buf->used); + return -EINVAL; + } + + buf->used = elts->end; + buf_priv->prim = elts->prim; + buf_priv->discard = elts->discard; + + r128_cce_dispatch_indices(dev, buf, elts->start, elts->end, count); + + COMMIT_RING(); + return 0; +} + +static int r128_cce_blit(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + struct drm_device_dma *dma = dev->dma; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_blit_t *blit = data; + int ret; + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + DRM_DEBUG("pid=%d index=%d\n", task_pid_nr(current), blit->idx); + + if (blit->idx < 0 || blit->idx >= dma->buf_count) { + DRM_ERROR("buffer index %d (of %d max)\n", + blit->idx, dma->buf_count - 1); + return -EINVAL; + } + + RING_SPACE_TEST_WITH_RETURN(dev_priv); + VB_AGE_TEST_WITH_RETURN(dev_priv); + + ret = r128_cce_dispatch_blit(dev, file_priv, blit); + + COMMIT_RING(); + return ret; +} + +int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_depth_t *depth = data; + int ret; + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + RING_SPACE_TEST_WITH_RETURN(dev_priv); + + ret = -EINVAL; + switch (depth->func) { + case R128_WRITE_SPAN: + ret = r128_cce_dispatch_write_span(dev, depth); + break; + case R128_WRITE_PIXELS: + ret = r128_cce_dispatch_write_pixels(dev, depth); + break; + case R128_READ_SPAN: + ret = r128_cce_dispatch_read_span(dev, depth); + break; + case R128_READ_PIXELS: + ret = r128_cce_dispatch_read_pixels(dev, depth); + break; + } + + COMMIT_RING(); + return ret; +} + +int r128_cce_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_stipple_t *stipple = data; + u32 mask[32]; + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + if (copy_from_user(&mask, stipple->mask, 32 * sizeof(u32))) + return -EFAULT; + + RING_SPACE_TEST_WITH_RETURN(dev_priv); + + r128_cce_dispatch_stipple(dev, mask); + + COMMIT_RING(); + return 0; +} + +static int r128_cce_indirect(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + struct drm_device_dma *dma = dev->dma; + struct drm_buf *buf; + drm_r128_buf_priv_t *buf_priv; + drm_r128_indirect_t *indirect = data; +#if 0 + RING_LOCALS; +#endif + + LOCK_TEST_WITH_RETURN(dev, file_priv); + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + DRM_DEBUG("idx=%d s=%d e=%d d=%d\n", + indirect->idx, indirect->start, indirect->end, + indirect->discard); + + if (indirect->idx < 0 || indirect->idx >= dma->buf_count) { + DRM_ERROR("buffer index %d (of %d max)\n", + indirect->idx, dma->buf_count - 1); + return -EINVAL; + } + + buf = dma->buflist[indirect->idx]; + buf_priv = buf->dev_private; + + if (buf->file_priv != file_priv) { + DRM_ERROR("process %d using buffer owned by %p\n", + task_pid_nr(current), buf->file_priv); + return -EINVAL; + } + if (buf->pending) { + DRM_ERROR("sending pending buffer %d\n", indirect->idx); + return -EINVAL; + } + + if (indirect->start < buf->used) { + DRM_ERROR("reusing indirect: start=0x%x actual=0x%x\n", + indirect->start, buf->used); + return -EINVAL; + } + + RING_SPACE_TEST_WITH_RETURN(dev_priv); + VB_AGE_TEST_WITH_RETURN(dev_priv); + + buf->used = indirect->end; + buf_priv->discard = indirect->discard; + +#if 0 + /* Wait for the 3D stream to idle before the indirect buffer + * containing 2D acceleration commands is processed. + */ + BEGIN_RING(2); + RADEON_WAIT_UNTIL_3D_IDLE(); + ADVANCE_RING(); +#endif + + /* Dispatch the indirect buffer full of commands from the + * X server. This is insecure and is thus only available to + * privileged clients. + */ + r128_cce_dispatch_indirect(dev, buf, indirect->start, indirect->end); + + COMMIT_RING(); + return 0; +} + +int r128_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_getparam_t *param = data; + struct pci_dev *pdev = to_pci_dev(dev->dev); + int value; + + DEV_INIT_TEST_WITH_RETURN(dev_priv); + + DRM_DEBUG("pid=%d\n", task_pid_nr(current)); + + switch (param->param) { + case R128_PARAM_IRQ_NR: + value = pdev->irq; + break; + default: + return -EINVAL; + } + + if (copy_to_user(param->value, &value, sizeof(int))) { + DRM_ERROR("copy_to_user\n"); + return -EFAULT; + } + + return 0; +} + +void r128_driver_preclose(struct drm_device *dev, struct drm_file *file_priv) +{ + if (dev->dev_private) { + drm_r128_private_t *dev_priv = dev->dev_private; + if (dev_priv->page_flipping) + r128_do_cleanup_pageflip(dev); + } +} +void r128_driver_lastclose(struct drm_device *dev) +{ + r128_do_cleanup_cce(dev); +} + +const struct drm_ioctl_desc r128_ioctls[] = { + DRM_IOCTL_DEF_DRV(R128_INIT, r128_cce_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(R128_CCE_START, r128_cce_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(R128_CCE_STOP, r128_cce_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(R128_CCE_RESET, r128_cce_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(R128_CCE_IDLE, r128_cce_idle, DRM_AUTH), + DRM_IOCTL_DEF_DRV(R128_RESET, r128_engine_reset, DRM_AUTH), + DRM_IOCTL_DEF_DRV(R128_FULLSCREEN, r128_fullscreen, DRM_AUTH), + DRM_IOCTL_DEF_DRV(R128_SWAP, r128_cce_swap, DRM_AUTH), + DRM_IOCTL_DEF_DRV(R128_FLIP, r128_cce_flip, DRM_AUTH), + DRM_IOCTL_DEF_DRV(R128_CLEAR, r128_cce_clear, DRM_AUTH), + DRM_IOCTL_DEF_DRV(R128_VERTEX, r128_cce_vertex, DRM_AUTH), + DRM_IOCTL_DEF_DRV(R128_INDICES, r128_cce_indices, DRM_AUTH), + DRM_IOCTL_DEF_DRV(R128_BLIT, r128_cce_blit, DRM_AUTH), + DRM_IOCTL_DEF_DRV(R128_DEPTH, r128_cce_depth, DRM_AUTH), + DRM_IOCTL_DEF_DRV(R128_STIPPLE, r128_cce_stipple, DRM_AUTH), + DRM_IOCTL_DEF_DRV(R128_INDIRECT, r128_cce_indirect, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(R128_GETPARAM, r128_getparam, DRM_AUTH), +}; + +int r128_max_ioctl = ARRAY_SIZE(r128_ioctls); |