From patchwork Sat Dec 3 10:22:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cai Huoqing X-Patchwork-Id: 13063502 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1F137C4332F for ; Sat, 3 Dec 2022 10:30:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E128D10E1DB; Sat, 3 Dec 2022 10:30:46 +0000 (UTC) Received: from out2.migadu.com (out2.migadu.com [188.165.223.204]) by gabe.freedesktop.org (Postfix) with ESMTPS id 552F110E1DC for ; Sat, 3 Dec 2022 10:30:42 +0000 (UTC) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1670063441; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vVLhdhZ9nRJNQDPXfdnYlVX2ECgq7/Boy+P19OuKFGo=; b=m2VVrYpauX6k5pWTTx3YobEQt3SlKOii6g3sBXVFJf3oXC28NKTNf70UO6Oy4PH4IveGzb FXF5X03QAjhiu3aAYqY3J1wyXxr1Zq9yvEhff08IgpmxpuzlA19JPHSWZoInMjB4cgDnEX 1Vh/PU7qzCVVpYpvFr2RTbrJwRGAtTM= From: Cai Huoqing To: tzimmermann@suse.de Subject: [RESEND PATCH linux-next v2 04/10] drm: Remove the obsolete driver-savage Date: Sat, 3 Dec 2022 18:22:55 +0800 Message-Id: <20221203102502.3185-5-cai.huoqing@linux.dev> In-Reply-To: <20221203102502.3185-1-cai.huoqing@linux.dev> References: <20221203102502.3185-1-cai.huoqing@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sam Ravnborg , Randy Dunlap , linux-kernel@vger.kernel.org, Cai Huoqing , dri-devel@lists.freedesktop.org, Danilo Krummrich , Borislav Petkov Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Commit 399516ab0fee ("MAINTAINERS: Add a bunch of legacy (UMS) DRM drivers") marked savage driver obsolete 7 years ago. And the mesa UMD of this drm driver already in deprecated list in the link: https://docs.mesa3d.org/systems.html S3 Savage-->drivers/gpu/drm/savage It's time to remove this driver. Signed-off-by: Cai Huoqing --- drivers/gpu/drm/Kconfig | 7 - drivers/gpu/drm/Makefile | 1 - drivers/gpu/drm/savage/Makefile | 9 - drivers/gpu/drm/savage/savage_bci.c | 1082 ----------------------- drivers/gpu/drm/savage/savage_drv.c | 91 -- drivers/gpu/drm/savage/savage_drv.h | 580 ------------ drivers/gpu/drm/savage/savage_state.c | 1169 ------------------------- include/uapi/drm/savage_drm.h | 220 ----- 8 files changed, 3159 deletions(-) delete mode 100644 drivers/gpu/drm/savage/Makefile delete mode 100644 drivers/gpu/drm/savage/savage_bci.c delete mode 100644 drivers/gpu/drm/savage/savage_drv.c delete mode 100644 drivers/gpu/drm/savage/savage_drv.h delete mode 100644 drivers/gpu/drm/savage/savage_state.c delete mode 100644 include/uapi/drm/savage_drm.h diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index f9f6f79d023e..57328ed79558 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -415,13 +415,6 @@ config DRM_VIA Choose this option if you have a Via unichrome or compatible video chipset. If M is selected the module will be called via. -config DRM_SAVAGE - tristate "Savage video cards" - depends on DRM && PCI - help - Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister - chipset. If M is selected the module will be called savage. - endif # DRM_LEGACY config DRM_EXPORT_FOR_TESTS diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index c9e7a433b255..9df22bed5633 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -143,7 +143,6 @@ obj-$(CONFIG_DRM_MGAG200) += mgag200/ obj-$(CONFIG_DRM_V3D) += v3d/ obj-$(CONFIG_DRM_VC4) += vc4/ obj-$(CONFIG_DRM_SIS) += sis/ -obj-$(CONFIG_DRM_SAVAGE)+= savage/ obj-$(CONFIG_DRM_VMWGFX)+= vmwgfx/ obj-$(CONFIG_DRM_VIA) +=via/ obj-$(CONFIG_DRM_VGEM) += vgem/ diff --git a/drivers/gpu/drm/savage/Makefile b/drivers/gpu/drm/savage/Makefile deleted file mode 100644 index 3e520763d259..000000000000 --- a/drivers/gpu/drm/savage/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# 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. - -savage-y := savage_drv.o savage_bci.o savage_state.o - -obj-$(CONFIG_DRM_SAVAGE)+= savage.o - diff --git a/drivers/gpu/drm/savage/savage_bci.c b/drivers/gpu/drm/savage/savage_bci.c deleted file mode 100644 index e33385dfe3ed..000000000000 --- a/drivers/gpu/drm/savage/savage_bci.c +++ /dev/null @@ -1,1082 +0,0 @@ -/* savage_bci.c -- BCI support for Savage - * - * Copyright 2004 Felix Kuehling - * 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, sub license, - * 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 - * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING 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 -#include -#include -#include - -#include -#include -#include -#include - -#include "savage_drv.h" - -/* Need a long timeout for shadow status updates can take a while - * and so can waiting for events when the queue is full. */ -#define SAVAGE_DEFAULT_USEC_TIMEOUT 1000000 /* 1s */ -#define SAVAGE_EVENT_USEC_TIMEOUT 5000000 /* 5s */ -#define SAVAGE_FREELIST_DEBUG 0 - -static int savage_do_cleanup_bci(struct drm_device *dev); - -static int -savage_bci_wait_fifo_shadow(drm_savage_private_t * dev_priv, unsigned int n) -{ - uint32_t mask = dev_priv->status_used_mask; - uint32_t threshold = dev_priv->bci_threshold_hi; - uint32_t status; - int i; - -#if SAVAGE_BCI_DEBUG - if (n > dev_priv->cob_size + SAVAGE_BCI_FIFO_SIZE - threshold) - DRM_ERROR("Trying to emit %d words " - "(more than guaranteed space in COB)\n", n); -#endif - - for (i = 0; i < SAVAGE_DEFAULT_USEC_TIMEOUT; i++) { - mb(); - status = dev_priv->status_ptr[0]; - if ((status & mask) < threshold) - return 0; - udelay(1); - } - -#if SAVAGE_BCI_DEBUG - DRM_ERROR("failed!\n"); - DRM_INFO(" status=0x%08x, threshold=0x%08x\n", status, threshold); -#endif - return -EBUSY; -} - -static int -savage_bci_wait_fifo_s3d(drm_savage_private_t * dev_priv, unsigned int n) -{ - uint32_t maxUsed = dev_priv->cob_size + SAVAGE_BCI_FIFO_SIZE - n; - uint32_t status; - int i; - - for (i = 0; i < SAVAGE_DEFAULT_USEC_TIMEOUT; i++) { - status = SAVAGE_READ(SAVAGE_STATUS_WORD0); - if ((status & SAVAGE_FIFO_USED_MASK_S3D) <= maxUsed) - return 0; - udelay(1); - } - -#if SAVAGE_BCI_DEBUG - DRM_ERROR("failed!\n"); - DRM_INFO(" status=0x%08x\n", status); -#endif - return -EBUSY; -} - -static int -savage_bci_wait_fifo_s4(drm_savage_private_t * dev_priv, unsigned int n) -{ - uint32_t maxUsed = dev_priv->cob_size + SAVAGE_BCI_FIFO_SIZE - n; - uint32_t status; - int i; - - for (i = 0; i < SAVAGE_DEFAULT_USEC_TIMEOUT; i++) { - status = SAVAGE_READ(SAVAGE_ALT_STATUS_WORD0); - if ((status & SAVAGE_FIFO_USED_MASK_S4) <= maxUsed) - return 0; - udelay(1); - } - -#if SAVAGE_BCI_DEBUG - DRM_ERROR("failed!\n"); - DRM_INFO(" status=0x%08x\n", status); -#endif - return -EBUSY; -} - -/* - * Waiting for events. - * - * The BIOSresets the event tag to 0 on mode changes. Therefore we - * never emit 0 to the event tag. If we find a 0 event tag we know the - * BIOS stomped on it and return success assuming that the BIOS waited - * for engine idle. - * - * Note: if the Xserver uses the event tag it has to follow the same - * rule. Otherwise there may be glitches every 2^16 events. - */ -static int -savage_bci_wait_event_shadow(drm_savage_private_t * dev_priv, uint16_t e) -{ - uint32_t status; - int i; - - for (i = 0; i < SAVAGE_EVENT_USEC_TIMEOUT; i++) { - mb(); - status = dev_priv->status_ptr[1]; - if ((((status & 0xffff) - e) & 0xffff) <= 0x7fff || - (status & 0xffff) == 0) - return 0; - udelay(1); - } - -#if SAVAGE_BCI_DEBUG - DRM_ERROR("failed!\n"); - DRM_INFO(" status=0x%08x, e=0x%04x\n", status, e); -#endif - - return -EBUSY; -} - -static int -savage_bci_wait_event_reg(drm_savage_private_t * dev_priv, uint16_t e) -{ - uint32_t status; - int i; - - for (i = 0; i < SAVAGE_EVENT_USEC_TIMEOUT; i++) { - status = SAVAGE_READ(SAVAGE_STATUS_WORD1); - if ((((status & 0xffff) - e) & 0xffff) <= 0x7fff || - (status & 0xffff) == 0) - return 0; - udelay(1); - } - -#if SAVAGE_BCI_DEBUG - DRM_ERROR("failed!\n"); - DRM_INFO(" status=0x%08x, e=0x%04x\n", status, e); -#endif - - return -EBUSY; -} - -uint16_t savage_bci_emit_event(drm_savage_private_t * dev_priv, - unsigned int flags) -{ - uint16_t count; - BCI_LOCALS; - - if (dev_priv->status_ptr) { - /* coordinate with Xserver */ - count = dev_priv->status_ptr[1023]; - if (count < dev_priv->event_counter) - dev_priv->event_wrap++; - } else { - count = dev_priv->event_counter; - } - count = (count + 1) & 0xffff; - if (count == 0) { - count++; /* See the comment above savage_wait_event_*. */ - dev_priv->event_wrap++; - } - dev_priv->event_counter = count; - if (dev_priv->status_ptr) - dev_priv->status_ptr[1023] = (uint32_t) count; - - if ((flags & (SAVAGE_WAIT_2D | SAVAGE_WAIT_3D))) { - unsigned int wait_cmd = BCI_CMD_WAIT; - if ((flags & SAVAGE_WAIT_2D)) - wait_cmd |= BCI_CMD_WAIT_2D; - if ((flags & SAVAGE_WAIT_3D)) - wait_cmd |= BCI_CMD_WAIT_3D; - BEGIN_BCI(2); - BCI_WRITE(wait_cmd); - } else { - BEGIN_BCI(1); - } - BCI_WRITE(BCI_CMD_UPDATE_EVENT_TAG | (uint32_t) count); - - return count; -} - -/* - * Freelist management - */ -static int savage_freelist_init(struct drm_device * dev) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - struct drm_device_dma *dma = dev->dma; - struct drm_buf *buf; - drm_savage_buf_priv_t *entry; - int i; - DRM_DEBUG("count=%d\n", dma->buf_count); - - dev_priv->head.next = &dev_priv->tail; - dev_priv->head.prev = NULL; - dev_priv->head.buf = NULL; - - dev_priv->tail.next = NULL; - dev_priv->tail.prev = &dev_priv->head; - dev_priv->tail.buf = NULL; - - for (i = 0; i < dma->buf_count; i++) { - buf = dma->buflist[i]; - entry = buf->dev_private; - - SET_AGE(&entry->age, 0, 0); - entry->buf = buf; - - entry->next = dev_priv->head.next; - entry->prev = &dev_priv->head; - dev_priv->head.next->prev = entry; - dev_priv->head.next = entry; - } - - return 0; -} - -static struct drm_buf *savage_freelist_get(struct drm_device * dev) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - drm_savage_buf_priv_t *tail = dev_priv->tail.prev; - uint16_t event; - unsigned int wrap; - DRM_DEBUG("\n"); - - UPDATE_EVENT_COUNTER(); - if (dev_priv->status_ptr) - event = dev_priv->status_ptr[1] & 0xffff; - else - event = SAVAGE_READ(SAVAGE_STATUS_WORD1) & 0xffff; - wrap = dev_priv->event_wrap; - if (event > dev_priv->event_counter) - wrap--; /* hardware hasn't passed the last wrap yet */ - - DRM_DEBUG(" tail=0x%04x %d\n", tail->age.event, tail->age.wrap); - DRM_DEBUG(" head=0x%04x %d\n", event, wrap); - - if (tail->buf && (TEST_AGE(&tail->age, event, wrap) || event == 0)) { - drm_savage_buf_priv_t *next = tail->next; - drm_savage_buf_priv_t *prev = tail->prev; - prev->next = next; - next->prev = prev; - tail->next = tail->prev = NULL; - return tail->buf; - } - - DRM_DEBUG("returning NULL, tail->buf=%p!\n", tail->buf); - return NULL; -} - -void savage_freelist_put(struct drm_device * dev, struct drm_buf * buf) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - drm_savage_buf_priv_t *entry = buf->dev_private, *prev, *next; - - DRM_DEBUG("age=0x%04x wrap=%d\n", entry->age.event, entry->age.wrap); - - if (entry->next != NULL || entry->prev != NULL) { - DRM_ERROR("entry already on freelist.\n"); - return; - } - - prev = &dev_priv->head; - next = prev->next; - prev->next = entry; - next->prev = entry; - entry->prev = prev; - entry->next = next; -} - -/* - * Command DMA - */ -static int savage_dma_init(drm_savage_private_t * dev_priv) -{ - unsigned int i; - - dev_priv->nr_dma_pages = dev_priv->cmd_dma->size / - (SAVAGE_DMA_PAGE_SIZE * 4); - dev_priv->dma_pages = kmalloc_array(dev_priv->nr_dma_pages, - sizeof(drm_savage_dma_page_t), - GFP_KERNEL); - if (dev_priv->dma_pages == NULL) - return -ENOMEM; - - for (i = 0; i < dev_priv->nr_dma_pages; ++i) { - SET_AGE(&dev_priv->dma_pages[i].age, 0, 0); - dev_priv->dma_pages[i].used = 0; - dev_priv->dma_pages[i].flushed = 0; - } - SET_AGE(&dev_priv->last_dma_age, 0, 0); - - dev_priv->first_dma_page = 0; - dev_priv->current_dma_page = 0; - - return 0; -} - -void savage_dma_reset(drm_savage_private_t * dev_priv) -{ - uint16_t event; - unsigned int wrap, i; - event = savage_bci_emit_event(dev_priv, 0); - wrap = dev_priv->event_wrap; - for (i = 0; i < dev_priv->nr_dma_pages; ++i) { - SET_AGE(&dev_priv->dma_pages[i].age, event, wrap); - dev_priv->dma_pages[i].used = 0; - dev_priv->dma_pages[i].flushed = 0; - } - SET_AGE(&dev_priv->last_dma_age, event, wrap); - dev_priv->first_dma_page = dev_priv->current_dma_page = 0; -} - -void savage_dma_wait(drm_savage_private_t * dev_priv, unsigned int page) -{ - uint16_t event; - unsigned int wrap; - - /* Faked DMA buffer pages don't age. */ - if (dev_priv->cmd_dma == &dev_priv->fake_dma) - return; - - UPDATE_EVENT_COUNTER(); - if (dev_priv->status_ptr) - event = dev_priv->status_ptr[1] & 0xffff; - else - event = SAVAGE_READ(SAVAGE_STATUS_WORD1) & 0xffff; - wrap = dev_priv->event_wrap; - if (event > dev_priv->event_counter) - wrap--; /* hardware hasn't passed the last wrap yet */ - - if (dev_priv->dma_pages[page].age.wrap > wrap || - (dev_priv->dma_pages[page].age.wrap == wrap && - dev_priv->dma_pages[page].age.event > event)) { - if (dev_priv->wait_evnt(dev_priv, - dev_priv->dma_pages[page].age.event) - < 0) - DRM_ERROR("wait_evnt failed!\n"); - } -} - -uint32_t *savage_dma_alloc(drm_savage_private_t * dev_priv, unsigned int n) -{ - unsigned int cur = dev_priv->current_dma_page; - unsigned int rest = SAVAGE_DMA_PAGE_SIZE - - dev_priv->dma_pages[cur].used; - unsigned int nr_pages = (n - rest + SAVAGE_DMA_PAGE_SIZE - 1) / - SAVAGE_DMA_PAGE_SIZE; - uint32_t *dma_ptr; - unsigned int i; - - DRM_DEBUG("cur=%u, cur->used=%u, n=%u, rest=%u, nr_pages=%u\n", - cur, dev_priv->dma_pages[cur].used, n, rest, nr_pages); - - if (cur + nr_pages < dev_priv->nr_dma_pages) { - dma_ptr = (uint32_t *) dev_priv->cmd_dma->handle + - cur * SAVAGE_DMA_PAGE_SIZE + dev_priv->dma_pages[cur].used; - if (n < rest) - rest = n; - dev_priv->dma_pages[cur].used += rest; - n -= rest; - cur++; - } else { - dev_priv->dma_flush(dev_priv); - nr_pages = - (n + SAVAGE_DMA_PAGE_SIZE - 1) / SAVAGE_DMA_PAGE_SIZE; - for (i = cur; i < dev_priv->nr_dma_pages; ++i) { - dev_priv->dma_pages[i].age = dev_priv->last_dma_age; - dev_priv->dma_pages[i].used = 0; - dev_priv->dma_pages[i].flushed = 0; - } - dma_ptr = (uint32_t *) dev_priv->cmd_dma->handle; - dev_priv->first_dma_page = cur = 0; - } - for (i = cur; nr_pages > 0; ++i, --nr_pages) { -#if SAVAGE_DMA_DEBUG - if (dev_priv->dma_pages[i].used) { - DRM_ERROR("unflushed page %u: used=%u\n", - i, dev_priv->dma_pages[i].used); - } -#endif - if (n > SAVAGE_DMA_PAGE_SIZE) - dev_priv->dma_pages[i].used = SAVAGE_DMA_PAGE_SIZE; - else - dev_priv->dma_pages[i].used = n; - n -= SAVAGE_DMA_PAGE_SIZE; - } - dev_priv->current_dma_page = --i; - - DRM_DEBUG("cur=%u, cur->used=%u, n=%u\n", - i, dev_priv->dma_pages[i].used, n); - - savage_dma_wait(dev_priv, dev_priv->current_dma_page); - - return dma_ptr; -} - -static void savage_dma_flush(drm_savage_private_t * dev_priv) -{ - unsigned int first = dev_priv->first_dma_page; - unsigned int cur = dev_priv->current_dma_page; - uint16_t event; - unsigned int wrap, pad, align, len, i; - unsigned long phys_addr; - BCI_LOCALS; - - if (first == cur && - dev_priv->dma_pages[cur].used == dev_priv->dma_pages[cur].flushed) - return; - - /* pad length to multiples of 2 entries - * align start of next DMA block to multiles of 8 entries */ - pad = -dev_priv->dma_pages[cur].used & 1; - align = -(dev_priv->dma_pages[cur].used + pad) & 7; - - DRM_DEBUG("first=%u, cur=%u, first->flushed=%u, cur->used=%u, " - "pad=%u, align=%u\n", - first, cur, dev_priv->dma_pages[first].flushed, - dev_priv->dma_pages[cur].used, pad, align); - - /* pad with noops */ - if (pad) { - uint32_t *dma_ptr = (uint32_t *) dev_priv->cmd_dma->handle + - cur * SAVAGE_DMA_PAGE_SIZE + dev_priv->dma_pages[cur].used; - dev_priv->dma_pages[cur].used += pad; - while (pad != 0) { - *dma_ptr++ = BCI_CMD_WAIT; - pad--; - } - } - - mb(); - - /* do flush ... */ - phys_addr = dev_priv->cmd_dma->offset + - (first * SAVAGE_DMA_PAGE_SIZE + - dev_priv->dma_pages[first].flushed) * 4; - len = (cur - first) * SAVAGE_DMA_PAGE_SIZE + - dev_priv->dma_pages[cur].used - dev_priv->dma_pages[first].flushed; - - DRM_DEBUG("phys_addr=%lx, len=%u\n", - phys_addr | dev_priv->dma_type, len); - - BEGIN_BCI(3); - BCI_SET_REGISTERS(SAVAGE_DMABUFADDR, 1); - BCI_WRITE(phys_addr | dev_priv->dma_type); - BCI_DMA(len); - - /* fix alignment of the start of the next block */ - dev_priv->dma_pages[cur].used += align; - - /* age DMA pages */ - event = savage_bci_emit_event(dev_priv, 0); - wrap = dev_priv->event_wrap; - for (i = first; i < cur; ++i) { - SET_AGE(&dev_priv->dma_pages[i].age, event, wrap); - dev_priv->dma_pages[i].used = 0; - dev_priv->dma_pages[i].flushed = 0; - } - /* age the current page only when it's full */ - if (dev_priv->dma_pages[cur].used == SAVAGE_DMA_PAGE_SIZE) { - SET_AGE(&dev_priv->dma_pages[cur].age, event, wrap); - dev_priv->dma_pages[cur].used = 0; - dev_priv->dma_pages[cur].flushed = 0; - /* advance to next page */ - cur++; - if (cur == dev_priv->nr_dma_pages) - cur = 0; - dev_priv->first_dma_page = dev_priv->current_dma_page = cur; - } else { - dev_priv->first_dma_page = cur; - dev_priv->dma_pages[cur].flushed = dev_priv->dma_pages[i].used; - } - SET_AGE(&dev_priv->last_dma_age, event, wrap); - - DRM_DEBUG("first=cur=%u, cur->used=%u, cur->flushed=%u\n", cur, - dev_priv->dma_pages[cur].used, - dev_priv->dma_pages[cur].flushed); -} - -static void savage_fake_dma_flush(drm_savage_private_t * dev_priv) -{ - unsigned int i, j; - BCI_LOCALS; - - if (dev_priv->first_dma_page == dev_priv->current_dma_page && - dev_priv->dma_pages[dev_priv->current_dma_page].used == 0) - return; - - DRM_DEBUG("first=%u, cur=%u, cur->used=%u\n", - dev_priv->first_dma_page, dev_priv->current_dma_page, - dev_priv->dma_pages[dev_priv->current_dma_page].used); - - for (i = dev_priv->first_dma_page; - i <= dev_priv->current_dma_page && dev_priv->dma_pages[i].used; - ++i) { - uint32_t *dma_ptr = (uint32_t *) dev_priv->cmd_dma->handle + - i * SAVAGE_DMA_PAGE_SIZE; -#if SAVAGE_DMA_DEBUG - /* Sanity check: all pages except the last one must be full. */ - if (i < dev_priv->current_dma_page && - dev_priv->dma_pages[i].used != SAVAGE_DMA_PAGE_SIZE) { - DRM_ERROR("partial DMA page %u: used=%u", - i, dev_priv->dma_pages[i].used); - } -#endif - BEGIN_BCI(dev_priv->dma_pages[i].used); - for (j = 0; j < dev_priv->dma_pages[i].used; ++j) { - BCI_WRITE(dma_ptr[j]); - } - dev_priv->dma_pages[i].used = 0; - } - - /* reset to first page */ - dev_priv->first_dma_page = dev_priv->current_dma_page = 0; -} - -int savage_driver_load(struct drm_device *dev, unsigned long chipset) -{ - struct pci_dev *pdev = to_pci_dev(dev->dev); - drm_savage_private_t *dev_priv; - - dev_priv = kzalloc(sizeof(drm_savage_private_t), GFP_KERNEL); - if (dev_priv == NULL) - return -ENOMEM; - - dev->dev_private = (void *)dev_priv; - - dev_priv->chipset = (enum savage_family)chipset; - - pci_set_master(pdev); - - return 0; -} - - -/* - * Initialize mappings. On Savage4 and SavageIX the alignment - * and size of the aperture is not suitable for automatic MTRR setup - * in drm_legacy_addmap. Therefore we add them manually before the maps are - * initialized, and tear them down on last close. - */ -int savage_driver_firstopen(struct drm_device *dev) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - struct pci_dev *pdev = to_pci_dev(dev->dev); - unsigned long mmio_base, fb_base, fb_size, aperture_base; - int ret = 0; - - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - fb_base = pci_resource_start(pdev, 0); - fb_size = SAVAGE_FB_SIZE_S3; - mmio_base = fb_base + SAVAGE_FB_SIZE_S3; - aperture_base = fb_base + SAVAGE_APERTURE_OFFSET; - /* this should always be true */ - if (pci_resource_len(pdev, 0) == 0x08000000) { - /* Don't make MMIO write-cobining! We need 3 - * MTRRs. */ - dev_priv->mtrr_handles[0] = - arch_phys_wc_add(fb_base, 0x01000000); - dev_priv->mtrr_handles[1] = - arch_phys_wc_add(fb_base + 0x02000000, - 0x02000000); - dev_priv->mtrr_handles[2] = - arch_phys_wc_add(fb_base + 0x04000000, - 0x04000000); - } else { - DRM_ERROR("strange pci_resource_len %08llx\n", - (unsigned long long) - pci_resource_len(pdev, 0)); - } - } else if (dev_priv->chipset != S3_SUPERSAVAGE && - dev_priv->chipset != S3_SAVAGE2000) { - mmio_base = pci_resource_start(pdev, 0); - fb_base = pci_resource_start(pdev, 1); - fb_size = SAVAGE_FB_SIZE_S4; - aperture_base = fb_base + SAVAGE_APERTURE_OFFSET; - /* this should always be true */ - if (pci_resource_len(pdev, 1) == 0x08000000) { - /* Can use one MTRR to cover both fb and - * aperture. */ - dev_priv->mtrr_handles[0] = - arch_phys_wc_add(fb_base, - 0x08000000); - } else { - DRM_ERROR("strange pci_resource_len %08llx\n", - (unsigned long long) - pci_resource_len(pdev, 1)); - } - } else { - mmio_base = pci_resource_start(pdev, 0); - fb_base = pci_resource_start(pdev, 1); - fb_size = pci_resource_len(pdev, 1); - aperture_base = pci_resource_start(pdev, 2); - /* Automatic MTRR setup will do the right thing. */ - } - - ret = drm_legacy_addmap(dev, mmio_base, SAVAGE_MMIO_SIZE, - _DRM_REGISTERS, _DRM_READ_ONLY, - &dev_priv->mmio); - if (ret) - return ret; - - ret = drm_legacy_addmap(dev, fb_base, fb_size, _DRM_FRAME_BUFFER, - _DRM_WRITE_COMBINING, &dev_priv->fb); - if (ret) - return ret; - - ret = drm_legacy_addmap(dev, aperture_base, SAVAGE_APERTURE_SIZE, - _DRM_FRAME_BUFFER, _DRM_WRITE_COMBINING, - &dev_priv->aperture); - return ret; -} - -/* - * Delete MTRRs and free device-private data. - */ -void savage_driver_lastclose(struct drm_device *dev) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - int i; - - for (i = 0; i < 3; ++i) { - arch_phys_wc_del(dev_priv->mtrr_handles[i]); - dev_priv->mtrr_handles[i] = 0; - } -} - -void savage_driver_unload(struct drm_device *dev) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - - kfree(dev_priv); -} - -static int savage_do_init_bci(struct drm_device * dev, drm_savage_init_t * init) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - - if (init->fb_bpp != 16 && init->fb_bpp != 32) { - DRM_ERROR("invalid frame buffer bpp %d!\n", init->fb_bpp); - return -EINVAL; - } - if (init->depth_bpp != 16 && init->depth_bpp != 32) { - DRM_ERROR("invalid depth buffer bpp %d!\n", init->fb_bpp); - return -EINVAL; - } - if (init->dma_type != SAVAGE_DMA_AGP && - init->dma_type != SAVAGE_DMA_PCI) { - DRM_ERROR("invalid dma memory type %d!\n", init->dma_type); - return -EINVAL; - } - - dev_priv->cob_size = init->cob_size; - dev_priv->bci_threshold_lo = init->bci_threshold_lo; - dev_priv->bci_threshold_hi = init->bci_threshold_hi; - dev_priv->dma_type = init->dma_type; - - dev_priv->fb_bpp = init->fb_bpp; - 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; - dev_priv->depth_bpp = init->depth_bpp; - dev_priv->depth_offset = init->depth_offset; - dev_priv->depth_pitch = init->depth_pitch; - - dev_priv->texture_offset = init->texture_offset; - dev_priv->texture_size = init->texture_size; - - dev_priv->sarea = drm_legacy_getsarea(dev); - if (!dev_priv->sarea) { - DRM_ERROR("could not find sarea!\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - if (init->status_offset != 0) { - dev_priv->status = drm_legacy_findmap(dev, init->status_offset); - if (!dev_priv->status) { - DRM_ERROR("could not find shadow status region!\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - } else { - dev_priv->status = NULL; - } - if (dev_priv->dma_type == SAVAGE_DMA_AGP && init->buffers_offset) { - 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"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - drm_legacy_ioremap(dev->agp_buffer_map, dev); - if (!dev->agp_buffer_map->handle) { - DRM_ERROR("failed to ioremap DMA buffer region!\n"); - savage_do_cleanup_bci(dev); - return -ENOMEM; - } - } - if (init->agp_textures_offset) { - 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"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - } else { - dev_priv->agp_textures = NULL; - } - - if (init->cmd_dma_offset) { - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - DRM_ERROR("command DMA not supported on " - "Savage3D/MX/IX.\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - if (dev->dma && dev->dma->buflist) { - DRM_ERROR("command and vertex DMA not supported " - "at the same time.\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - dev_priv->cmd_dma = drm_legacy_findmap(dev, init->cmd_dma_offset); - if (!dev_priv->cmd_dma) { - DRM_ERROR("could not find command DMA region!\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - if (dev_priv->dma_type == SAVAGE_DMA_AGP) { - if (dev_priv->cmd_dma->type != _DRM_AGP) { - DRM_ERROR("AGP command DMA region is not a " - "_DRM_AGP map!\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - drm_legacy_ioremap(dev_priv->cmd_dma, dev); - if (!dev_priv->cmd_dma->handle) { - DRM_ERROR("failed to ioremap command " - "DMA region!\n"); - savage_do_cleanup_bci(dev); - return -ENOMEM; - } - } else if (dev_priv->cmd_dma->type != _DRM_CONSISTENT) { - DRM_ERROR("PCI command DMA region is not a " - "_DRM_CONSISTENT map!\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - } else { - dev_priv->cmd_dma = NULL; - } - - dev_priv->dma_flush = savage_dma_flush; - if (!dev_priv->cmd_dma) { - DRM_DEBUG("falling back to faked command DMA.\n"); - dev_priv->fake_dma.offset = 0; - dev_priv->fake_dma.size = SAVAGE_FAKE_DMA_SIZE; - dev_priv->fake_dma.type = _DRM_SHM; - dev_priv->fake_dma.handle = kmalloc(SAVAGE_FAKE_DMA_SIZE, - GFP_KERNEL); - if (!dev_priv->fake_dma.handle) { - DRM_ERROR("could not allocate faked DMA buffer!\n"); - savage_do_cleanup_bci(dev); - return -ENOMEM; - } - dev_priv->cmd_dma = &dev_priv->fake_dma; - dev_priv->dma_flush = savage_fake_dma_flush; - } - - dev_priv->sarea_priv = - (drm_savage_sarea_t *) ((uint8_t *) dev_priv->sarea->handle + - init->sarea_priv_offset); - - /* setup bitmap descriptors */ - { - unsigned int color_tile_format; - unsigned int depth_tile_format; - unsigned int front_stride, back_stride, depth_stride; - if (dev_priv->chipset <= S3_SAVAGE4) { - color_tile_format = dev_priv->fb_bpp == 16 ? - SAVAGE_BD_TILE_16BPP : SAVAGE_BD_TILE_32BPP; - depth_tile_format = dev_priv->depth_bpp == 16 ? - SAVAGE_BD_TILE_16BPP : SAVAGE_BD_TILE_32BPP; - } else { - color_tile_format = SAVAGE_BD_TILE_DEST; - depth_tile_format = SAVAGE_BD_TILE_DEST; - } - front_stride = dev_priv->front_pitch / (dev_priv->fb_bpp / 8); - back_stride = dev_priv->back_pitch / (dev_priv->fb_bpp / 8); - depth_stride = - dev_priv->depth_pitch / (dev_priv->depth_bpp / 8); - - dev_priv->front_bd = front_stride | SAVAGE_BD_BW_DISABLE | - (dev_priv->fb_bpp << SAVAGE_BD_BPP_SHIFT) | - (color_tile_format << SAVAGE_BD_TILE_SHIFT); - - dev_priv->back_bd = back_stride | SAVAGE_BD_BW_DISABLE | - (dev_priv->fb_bpp << SAVAGE_BD_BPP_SHIFT) | - (color_tile_format << SAVAGE_BD_TILE_SHIFT); - - dev_priv->depth_bd = depth_stride | SAVAGE_BD_BW_DISABLE | - (dev_priv->depth_bpp << SAVAGE_BD_BPP_SHIFT) | - (depth_tile_format << SAVAGE_BD_TILE_SHIFT); - } - - /* setup status and bci ptr */ - dev_priv->event_counter = 0; - dev_priv->event_wrap = 0; - dev_priv->bci_ptr = (volatile uint32_t *) - ((uint8_t *) dev_priv->mmio->handle + SAVAGE_BCI_OFFSET); - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - dev_priv->status_used_mask = SAVAGE_FIFO_USED_MASK_S3D; - } else { - dev_priv->status_used_mask = SAVAGE_FIFO_USED_MASK_S4; - } - if (dev_priv->status != NULL) { - dev_priv->status_ptr = - (volatile uint32_t *)dev_priv->status->handle; - dev_priv->wait_fifo = savage_bci_wait_fifo_shadow; - dev_priv->wait_evnt = savage_bci_wait_event_shadow; - dev_priv->status_ptr[1023] = dev_priv->event_counter; - } else { - dev_priv->status_ptr = NULL; - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - dev_priv->wait_fifo = savage_bci_wait_fifo_s3d; - } else { - dev_priv->wait_fifo = savage_bci_wait_fifo_s4; - } - dev_priv->wait_evnt = savage_bci_wait_event_reg; - } - - /* cliprect functions */ - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) - dev_priv->emit_clip_rect = savage_emit_clip_rect_s3d; - else - dev_priv->emit_clip_rect = savage_emit_clip_rect_s4; - - if (savage_freelist_init(dev) < 0) { - DRM_ERROR("could not initialize freelist\n"); - savage_do_cleanup_bci(dev); - return -ENOMEM; - } - - if (savage_dma_init(dev_priv) < 0) { - DRM_ERROR("could not initialize command DMA\n"); - savage_do_cleanup_bci(dev); - return -ENOMEM; - } - - return 0; -} - -static int savage_do_cleanup_bci(struct drm_device * dev) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - - if (dev_priv->cmd_dma == &dev_priv->fake_dma) { - kfree(dev_priv->fake_dma.handle); - } else if (dev_priv->cmd_dma && dev_priv->cmd_dma->handle && - dev_priv->cmd_dma->type == _DRM_AGP && - dev_priv->dma_type == SAVAGE_DMA_AGP) - drm_legacy_ioremapfree(dev_priv->cmd_dma, dev); - - if (dev_priv->dma_type == SAVAGE_DMA_AGP && - dev->agp_buffer_map && dev->agp_buffer_map->handle) { - drm_legacy_ioremapfree(dev->agp_buffer_map, dev); - /* make sure the next instance (which may be running - * in PCI mode) doesn't try to use an old - * agp_buffer_map. */ - dev->agp_buffer_map = NULL; - } - - kfree(dev_priv->dma_pages); - - return 0; -} - -static int savage_bci_init(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_savage_init_t *init = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - switch (init->func) { - case SAVAGE_INIT_BCI: - return savage_do_init_bci(dev, init); - case SAVAGE_CLEANUP_BCI: - return savage_do_cleanup_bci(dev); - } - - return -EINVAL; -} - -static int savage_bci_event_emit(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - drm_savage_event_emit_t *event = data; - - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - event->count = savage_bci_emit_event(dev_priv, event->flags); - event->count |= dev_priv->event_wrap << 16; - - return 0; -} - -static int savage_bci_event_wait(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - drm_savage_event_wait_t *event = data; - unsigned int event_e, hw_e; - unsigned int event_w, hw_w; - - DRM_DEBUG("\n"); - - UPDATE_EVENT_COUNTER(); - if (dev_priv->status_ptr) - hw_e = dev_priv->status_ptr[1] & 0xffff; - else - hw_e = SAVAGE_READ(SAVAGE_STATUS_WORD1) & 0xffff; - hw_w = dev_priv->event_wrap; - if (hw_e > dev_priv->event_counter) - hw_w--; /* hardware hasn't passed the last wrap yet */ - - event_e = event->count & 0xffff; - event_w = event->count >> 16; - - /* Don't need to wait if - * - event counter wrapped since the event was emitted or - * - the hardware has advanced up to or over the event to wait for. - */ - if (event_w < hw_w || (event_w == hw_w && event_e <= hw_e)) - return 0; - else - return dev_priv->wait_evnt(dev_priv, event_e); -} - -/* - * DMA buffer management - */ - -static int savage_bci_get_buffers(struct drm_device *dev, - struct drm_file *file_priv, - struct drm_dma *d) -{ - struct drm_buf *buf; - int i; - - for (i = d->granted_count; i < d->request_count; i++) { - buf = savage_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 savage_bci_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - struct drm_dma *d = data; - int ret = 0; - - 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 = savage_bci_get_buffers(dev, file_priv, d); - } - - return ret; -} - -void savage_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - drm_savage_private_t *dev_priv = dev->dev_private; - int release_idlelock = 0; - int i; - - if (!dma) - return; - if (!dev_priv) - return; - if (!dma->buflist) - return; - - if (file_priv->master && file_priv->master->lock.hw_lock) { - drm_legacy_idlelock_take(&file_priv->master->lock); - release_idlelock = 1; - } - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_savage_buf_priv_t *buf_priv = buf->dev_private; - - if (buf->file_priv == file_priv && buf_priv && - buf_priv->next == NULL && buf_priv->prev == NULL) { - uint16_t event; - DRM_DEBUG("reclaimed from client\n"); - event = savage_bci_emit_event(dev_priv, SAVAGE_WAIT_3D); - SET_AGE(&buf_priv->age, event, dev_priv->event_wrap); - savage_freelist_put(dev, buf); - } - } - - if (release_idlelock) - drm_legacy_idlelock_release(&file_priv->master->lock); -} - -const struct drm_ioctl_desc savage_ioctls[] = { - DRM_IOCTL_DEF_DRV(SAVAGE_BCI_INIT, savage_bci_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF_DRV(SAVAGE_BCI_CMDBUF, savage_bci_cmdbuf, DRM_AUTH), - DRM_IOCTL_DEF_DRV(SAVAGE_BCI_EVENT_EMIT, savage_bci_event_emit, DRM_AUTH), - DRM_IOCTL_DEF_DRV(SAVAGE_BCI_EVENT_WAIT, savage_bci_event_wait, DRM_AUTH), -}; - -int savage_max_ioctl = ARRAY_SIZE(savage_ioctls); diff --git a/drivers/gpu/drm/savage/savage_drv.c b/drivers/gpu/drm/savage/savage_drv.c deleted file mode 100644 index 799bd11adb9c..000000000000 --- a/drivers/gpu/drm/savage/savage_drv.c +++ /dev/null @@ -1,91 +0,0 @@ -/* savage_drv.c -- Savage driver for Linux - * - * Copyright 2004 Felix Kuehling - * 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, sub license, - * 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 - * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING 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 -#include - -#include -#include -#include - -#include "savage_drv.h" - -static struct pci_device_id pciidlist[] = { - savage_PCI_IDS -}; - -static const struct file_operations savage_driver_fops = { - .owner = THIS_MODULE, - .open = drm_open, - .release = drm_release, - .unlocked_ioctl = drm_ioctl, - .mmap = drm_legacy_mmap, - .poll = drm_poll, - .compat_ioctl = drm_compat_ioctl, - .llseek = noop_llseek, -}; - -static struct drm_driver driver = { - .driver_features = - DRIVER_USE_AGP | DRIVER_HAVE_DMA | DRIVER_PCI_DMA | DRIVER_LEGACY, - .dev_priv_size = sizeof(drm_savage_buf_priv_t), - .load = savage_driver_load, - .firstopen = savage_driver_firstopen, - .preclose = savage_reclaim_buffers, - .lastclose = savage_driver_lastclose, - .unload = savage_driver_unload, - .ioctls = savage_ioctls, - .dma_ioctl = savage_bci_buffers, - .fops = &savage_driver_fops, - .name = DRIVER_NAME, - .desc = DRIVER_DESC, - .date = DRIVER_DATE, - .major = DRIVER_MAJOR, - .minor = DRIVER_MINOR, - .patchlevel = DRIVER_PATCHLEVEL, -}; - -static struct pci_driver savage_pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, -}; - -static int __init savage_init(void) -{ - driver.num_ioctls = savage_max_ioctl; - return drm_legacy_pci_init(&driver, &savage_pci_driver); -} - -static void __exit savage_exit(void) -{ - drm_legacy_pci_exit(&driver, &savage_pci_driver); -} - -module_init(savage_init); -module_exit(savage_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/gpu/drm/savage/savage_drv.h b/drivers/gpu/drm/savage/savage_drv.h deleted file mode 100644 index b0081bb64776..000000000000 --- a/drivers/gpu/drm/savage/savage_drv.h +++ /dev/null @@ -1,580 +0,0 @@ -/* savage_drv.h -- Private header for the savage driver */ -/* - * Copyright 2004 Felix Kuehling - * 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, sub license, - * 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 - * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING 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. - */ - -#ifndef __SAVAGE_DRV_H__ -#define __SAVAGE_DRV_H__ - -#include - -#include -#include -#include - -#define DRIVER_AUTHOR "Felix Kuehling" - -#define DRIVER_NAME "savage" -#define DRIVER_DESC "Savage3D/MX/IX, Savage4, SuperSavage, Twister, ProSavage[DDR]" -#define DRIVER_DATE "20050313" - -#define DRIVER_MAJOR 2 -#define DRIVER_MINOR 4 -#define DRIVER_PATCHLEVEL 1 -/* Interface history: - * - * 1.x The DRM driver from the VIA/S3 code drop, basically a dummy - * 2.0 The first real DRM - * 2.1 Scissors registers managed by the DRM, 3D operations clipped by - * cliprects of the cmdbuf ioctl - * 2.2 Implemented SAVAGE_CMD_DMA_IDX and SAVAGE_CMD_VB_IDX - * 2.3 Event counters used by BCI_EVENT_EMIT/WAIT ioctls are now 32 bits - * wide and thus very long lived (unlikely to ever wrap). The size - * in the struct was 32 bits before, but only 16 bits were used - * 2.4 Implemented command DMA. Now drm_savage_init_t.cmd_dma_offset is - * actually used - */ - -typedef struct drm_savage_age { - uint16_t event; - unsigned int wrap; -} drm_savage_age_t; - -typedef struct drm_savage_buf_priv { - struct drm_savage_buf_priv *next; - struct drm_savage_buf_priv *prev; - drm_savage_age_t age; - struct drm_buf *buf; -} drm_savage_buf_priv_t; - -typedef struct drm_savage_dma_page { - drm_savage_age_t age; - unsigned int used, flushed; -} drm_savage_dma_page_t; -#define SAVAGE_DMA_PAGE_SIZE 1024 /* in dwords */ -/* Fake DMA buffer size in bytes. 4 pages. Allows a maximum command - * size of 16kbytes or 4k entries. Minimum requirement would be - * 10kbytes for 255 40-byte vertices in one drawing command. */ -#define SAVAGE_FAKE_DMA_SIZE (SAVAGE_DMA_PAGE_SIZE*4*4) - -/* interesting bits of hardware state that are saved in dev_priv */ -typedef union { - struct drm_savage_common_state { - uint32_t vbaddr; - } common; - struct { - unsigned char pad[sizeof(struct drm_savage_common_state)]; - uint32_t texctrl, texaddr; - uint32_t scstart, new_scstart; - uint32_t scend, new_scend; - } s3d; - struct { - unsigned char pad[sizeof(struct drm_savage_common_state)]; - uint32_t texdescr, texaddr0, texaddr1; - uint32_t drawctrl0, new_drawctrl0; - uint32_t drawctrl1, new_drawctrl1; - } s4; -} drm_savage_state_t; - -/* these chip tags should match the ones in the 2D driver in savage_regs.h. */ -enum savage_family { - S3_UNKNOWN = 0, - S3_SAVAGE3D, - S3_SAVAGE_MX, - S3_SAVAGE4, - S3_PROSAVAGE, - S3_TWISTER, - S3_PROSAVAGEDDR, - S3_SUPERSAVAGE, - S3_SAVAGE2000, - S3_LAST -}; - -extern const struct drm_ioctl_desc savage_ioctls[]; -extern int savage_max_ioctl; - -#define S3_SAVAGE3D_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX)) - -#define S3_SAVAGE4_SERIES(chip) ((chip==S3_SAVAGE4) \ - || (chip==S3_PROSAVAGE) \ - || (chip==S3_TWISTER) \ - || (chip==S3_PROSAVAGEDDR)) - -#define S3_SAVAGE_MOBILE_SERIES(chip) ((chip==S3_SAVAGE_MX) || (chip==S3_SUPERSAVAGE)) - -#define S3_SAVAGE_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE2000)) - -#define S3_MOBILE_TWISTER_SERIES(chip) ((chip==S3_TWISTER) \ - ||(chip==S3_PROSAVAGEDDR)) - -/* flags */ -#define SAVAGE_IS_AGP 1 - -typedef struct drm_savage_private { - drm_savage_sarea_t *sarea_priv; - - drm_savage_buf_priv_t head, tail; - - /* who am I? */ - enum savage_family chipset; - - unsigned int cob_size; - unsigned int bci_threshold_lo, bci_threshold_hi; - unsigned int dma_type; - - /* frame buffer layout */ - 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; - - /* bitmap descriptors for swap and clear */ - unsigned int front_bd, back_bd, depth_bd; - - /* local textures */ - unsigned int texture_offset; - unsigned int texture_size; - - /* memory regions in physical memory */ - drm_local_map_t *sarea; - drm_local_map_t *mmio; - drm_local_map_t *fb; - drm_local_map_t *aperture; - drm_local_map_t *status; - drm_local_map_t *agp_textures; - drm_local_map_t *cmd_dma; - drm_local_map_t fake_dma; - - int mtrr_handles[3]; - - /* BCI and status-related stuff */ - volatile uint32_t *status_ptr, *bci_ptr; - uint32_t status_used_mask; - uint16_t event_counter; - unsigned int event_wrap; - - /* Savage4 command DMA */ - drm_savage_dma_page_t *dma_pages; - unsigned int nr_dma_pages, first_dma_page, current_dma_page; - drm_savage_age_t last_dma_age; - - /* saved hw state for global/local check on S3D */ - uint32_t hw_draw_ctrl, hw_zbuf_ctrl; - /* and for scissors (global, so don't emit if not changed) */ - uint32_t hw_scissors_start, hw_scissors_end; - - drm_savage_state_t state; - - /* after emitting a wait cmd Savage3D needs 63 nops before next DMA */ - unsigned int waiting; - - /* config/hardware-dependent function pointers */ - int (*wait_fifo) (struct drm_savage_private * dev_priv, unsigned int n); - int (*wait_evnt) (struct drm_savage_private * dev_priv, uint16_t e); - /* Err, there is a macro wait_event in include/linux/wait.h. - * Avoid unwanted macro expansion. */ - void (*emit_clip_rect) (struct drm_savage_private * dev_priv, - const struct drm_clip_rect * pbox); - void (*dma_flush) (struct drm_savage_private * dev_priv); -} drm_savage_private_t; - -/* ioctls */ -extern int savage_bci_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int savage_bci_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv); - -/* BCI functions */ -extern uint16_t savage_bci_emit_event(drm_savage_private_t * dev_priv, - unsigned int flags); -extern void savage_freelist_put(struct drm_device * dev, struct drm_buf * buf); -extern void savage_dma_reset(drm_savage_private_t * dev_priv); -extern void savage_dma_wait(drm_savage_private_t * dev_priv, unsigned int page); -extern uint32_t *savage_dma_alloc(drm_savage_private_t * dev_priv, - unsigned int n); -extern int savage_driver_load(struct drm_device *dev, unsigned long chipset); -extern int savage_driver_firstopen(struct drm_device *dev); -extern void savage_driver_lastclose(struct drm_device *dev); -extern void savage_driver_unload(struct drm_device *dev); -extern void savage_reclaim_buffers(struct drm_device *dev, - struct drm_file *file_priv); - -/* state functions */ -extern void savage_emit_clip_rect_s3d(drm_savage_private_t * dev_priv, - const struct drm_clip_rect * pbox); -extern void savage_emit_clip_rect_s4(drm_savage_private_t * dev_priv, - const struct drm_clip_rect * pbox); - -#define SAVAGE_FB_SIZE_S3 0x01000000 /* 16MB */ -#define SAVAGE_FB_SIZE_S4 0x02000000 /* 32MB */ -#define SAVAGE_MMIO_SIZE 0x00080000 /* 512kB */ -#define SAVAGE_APERTURE_OFFSET 0x02000000 /* 32MB */ -#define SAVAGE_APERTURE_SIZE 0x05000000 /* 5 tiled surfaces, 16MB each */ - -#define SAVAGE_BCI_OFFSET 0x00010000 /* offset of the BCI region - * inside the MMIO region */ -#define SAVAGE_BCI_FIFO_SIZE 32 /* number of entries in on-chip - * BCI FIFO */ - -/* - * MMIO registers - */ -#define SAVAGE_STATUS_WORD0 0x48C00 -#define SAVAGE_STATUS_WORD1 0x48C04 -#define SAVAGE_ALT_STATUS_WORD0 0x48C60 - -#define SAVAGE_FIFO_USED_MASK_S3D 0x0001ffff -#define SAVAGE_FIFO_USED_MASK_S4 0x001fffff - -/* Copied from savage_bci.h in the 2D driver with some renaming. */ - -/* Bitmap descriptors */ -#define SAVAGE_BD_STRIDE_SHIFT 0 -#define SAVAGE_BD_BPP_SHIFT 16 -#define SAVAGE_BD_TILE_SHIFT 24 -#define SAVAGE_BD_BW_DISABLE (1<<28) -/* common: */ -#define SAVAGE_BD_TILE_LINEAR 0 -/* savage4, MX, IX, 3D */ -#define SAVAGE_BD_TILE_16BPP 2 -#define SAVAGE_BD_TILE_32BPP 3 -/* twister, prosavage, DDR, supersavage, 2000 */ -#define SAVAGE_BD_TILE_DEST 1 -#define SAVAGE_BD_TILE_TEXTURE 2 -/* GBD - BCI enable */ -/* savage4, MX, IX, 3D */ -#define SAVAGE_GBD_BCI_ENABLE 8 -/* twister, prosavage, DDR, supersavage, 2000 */ -#define SAVAGE_GBD_BCI_ENABLE_TWISTER 0 - -#define SAVAGE_GBD_BIG_ENDIAN 4 -#define SAVAGE_GBD_LITTLE_ENDIAN 0 -#define SAVAGE_GBD_64 1 - -/* Global Bitmap Descriptor */ -#define SAVAGE_BCI_GLB_BD_LOW 0x8168 -#define SAVAGE_BCI_GLB_BD_HIGH 0x816C - -/* - * BCI registers - */ -/* Savage4/Twister/ProSavage 3D registers */ -#define SAVAGE_DRAWLOCALCTRL_S4 0x1e -#define SAVAGE_TEXPALADDR_S4 0x1f -#define SAVAGE_TEXCTRL0_S4 0x20 -#define SAVAGE_TEXCTRL1_S4 0x21 -#define SAVAGE_TEXADDR0_S4 0x22 -#define SAVAGE_TEXADDR1_S4 0x23 -#define SAVAGE_TEXBLEND0_S4 0x24 -#define SAVAGE_TEXBLEND1_S4 0x25 -#define SAVAGE_TEXXPRCLR_S4 0x26 /* never used */ -#define SAVAGE_TEXDESCR_S4 0x27 -#define SAVAGE_FOGTABLE_S4 0x28 -#define SAVAGE_FOGCTRL_S4 0x30 -#define SAVAGE_STENCILCTRL_S4 0x31 -#define SAVAGE_ZBUFCTRL_S4 0x32 -#define SAVAGE_ZBUFOFF_S4 0x33 -#define SAVAGE_DESTCTRL_S4 0x34 -#define SAVAGE_DRAWCTRL0_S4 0x35 -#define SAVAGE_DRAWCTRL1_S4 0x36 -#define SAVAGE_ZWATERMARK_S4 0x37 -#define SAVAGE_DESTTEXRWWATERMARK_S4 0x38 -#define SAVAGE_TEXBLENDCOLOR_S4 0x39 -/* Savage3D/MX/IX 3D registers */ -#define SAVAGE_TEXPALADDR_S3D 0x18 -#define SAVAGE_TEXXPRCLR_S3D 0x19 /* never used */ -#define SAVAGE_TEXADDR_S3D 0x1A -#define SAVAGE_TEXDESCR_S3D 0x1B -#define SAVAGE_TEXCTRL_S3D 0x1C -#define SAVAGE_FOGTABLE_S3D 0x20 -#define SAVAGE_FOGCTRL_S3D 0x30 -#define SAVAGE_DRAWCTRL_S3D 0x31 -#define SAVAGE_ZBUFCTRL_S3D 0x32 -#define SAVAGE_ZBUFOFF_S3D 0x33 -#define SAVAGE_DESTCTRL_S3D 0x34 -#define SAVAGE_SCSTART_S3D 0x35 -#define SAVAGE_SCEND_S3D 0x36 -#define SAVAGE_ZWATERMARK_S3D 0x37 -#define SAVAGE_DESTTEXRWWATERMARK_S3D 0x38 -/* common stuff */ -#define SAVAGE_VERTBUFADDR 0x3e -#define SAVAGE_BITPLANEWTMASK 0xd7 -#define SAVAGE_DMABUFADDR 0x51 - -/* texture enable bits (needed for tex addr checking) */ -#define SAVAGE_TEXCTRL_TEXEN_MASK 0x00010000 /* S3D */ -#define SAVAGE_TEXDESCR_TEX0EN_MASK 0x02000000 /* S4 */ -#define SAVAGE_TEXDESCR_TEX1EN_MASK 0x04000000 /* S4 */ - -/* Global fields in Savage4/Twister/ProSavage 3D registers: - * - * All texture registers and DrawLocalCtrl are local. All other - * registers are global. */ - -/* Global fields in Savage3D/MX/IX 3D registers: - * - * All texture registers are local. DrawCtrl and ZBufCtrl are - * partially local. All other registers are global. - * - * DrawCtrl global fields: cullMode, alphaTestCmpFunc, alphaTestEn, alphaRefVal - * ZBufCtrl global fields: zCmpFunc, zBufEn - */ -#define SAVAGE_DRAWCTRL_S3D_GLOBAL 0x03f3c00c -#define SAVAGE_ZBUFCTRL_S3D_GLOBAL 0x00000027 - -/* Masks for scissor bits (drawCtrl[01] on s4, scissorStart/End on s3d) - */ -#define SAVAGE_SCISSOR_MASK_S4 0x00fff7ff -#define SAVAGE_SCISSOR_MASK_S3D 0x07ff07ff - -/* - * BCI commands - */ -#define BCI_CMD_NOP 0x40000000 -#define BCI_CMD_RECT 0x48000000 -#define BCI_CMD_RECT_XP 0x01000000 -#define BCI_CMD_RECT_YP 0x02000000 -#define BCI_CMD_SCANLINE 0x50000000 -#define BCI_CMD_LINE 0x5C000000 -#define BCI_CMD_LINE_LAST_PIXEL 0x58000000 -#define BCI_CMD_BYTE_TEXT 0x63000000 -#define BCI_CMD_NT_BYTE_TEXT 0x67000000 -#define BCI_CMD_BIT_TEXT 0x6C000000 -#define BCI_CMD_GET_ROP(cmd) (((cmd) >> 16) & 0xFF) -#define BCI_CMD_SET_ROP(cmd, rop) ((cmd) |= ((rop & 0xFF) << 16)) -#define BCI_CMD_SEND_COLOR 0x00008000 - -#define BCI_CMD_CLIP_NONE 0x00000000 -#define BCI_CMD_CLIP_CURRENT 0x00002000 -#define BCI_CMD_CLIP_LR 0x00004000 -#define BCI_CMD_CLIP_NEW 0x00006000 - -#define BCI_CMD_DEST_GBD 0x00000000 -#define BCI_CMD_DEST_PBD 0x00000800 -#define BCI_CMD_DEST_PBD_NEW 0x00000C00 -#define BCI_CMD_DEST_SBD 0x00001000 -#define BCI_CMD_DEST_SBD_NEW 0x00001400 - -#define BCI_CMD_SRC_TRANSPARENT 0x00000200 -#define BCI_CMD_SRC_SOLID 0x00000000 -#define BCI_CMD_SRC_GBD 0x00000020 -#define BCI_CMD_SRC_COLOR 0x00000040 -#define BCI_CMD_SRC_MONO 0x00000060 -#define BCI_CMD_SRC_PBD_COLOR 0x00000080 -#define BCI_CMD_SRC_PBD_MONO 0x000000A0 -#define BCI_CMD_SRC_PBD_COLOR_NEW 0x000000C0 -#define BCI_CMD_SRC_PBD_MONO_NEW 0x000000E0 -#define BCI_CMD_SRC_SBD_COLOR 0x00000100 -#define BCI_CMD_SRC_SBD_MONO 0x00000120 -#define BCI_CMD_SRC_SBD_COLOR_NEW 0x00000140 -#define BCI_CMD_SRC_SBD_MONO_NEW 0x00000160 - -#define BCI_CMD_PAT_TRANSPARENT 0x00000010 -#define BCI_CMD_PAT_NONE 0x00000000 -#define BCI_CMD_PAT_COLOR 0x00000002 -#define BCI_CMD_PAT_MONO 0x00000003 -#define BCI_CMD_PAT_PBD_COLOR 0x00000004 -#define BCI_CMD_PAT_PBD_MONO 0x00000005 -#define BCI_CMD_PAT_PBD_COLOR_NEW 0x00000006 -#define BCI_CMD_PAT_PBD_MONO_NEW 0x00000007 -#define BCI_CMD_PAT_SBD_COLOR 0x00000008 -#define BCI_CMD_PAT_SBD_MONO 0x00000009 -#define BCI_CMD_PAT_SBD_COLOR_NEW 0x0000000A -#define BCI_CMD_PAT_SBD_MONO_NEW 0x0000000B - -#define BCI_BD_BW_DISABLE 0x10000000 -#define BCI_BD_TILE_MASK 0x03000000 -#define BCI_BD_TILE_NONE 0x00000000 -#define BCI_BD_TILE_16 0x02000000 -#define BCI_BD_TILE_32 0x03000000 -#define BCI_BD_GET_BPP(bd) (((bd) >> 16) & 0xFF) -#define BCI_BD_SET_BPP(bd, bpp) ((bd) |= (((bpp) & 0xFF) << 16)) -#define BCI_BD_GET_STRIDE(bd) ((bd) & 0xFFFF) -#define BCI_BD_SET_STRIDE(bd, st) ((bd) |= ((st) & 0xFFFF)) - -#define BCI_CMD_SET_REGISTER 0x96000000 - -#define BCI_CMD_WAIT 0xC0000000 -#define BCI_CMD_WAIT_3D 0x00010000 -#define BCI_CMD_WAIT_2D 0x00020000 - -#define BCI_CMD_UPDATE_EVENT_TAG 0x98000000 - -#define BCI_CMD_DRAW_PRIM 0x80000000 -#define BCI_CMD_DRAW_INDEXED_PRIM 0x88000000 -#define BCI_CMD_DRAW_CONT 0x01000000 -#define BCI_CMD_DRAW_TRILIST 0x00000000 -#define BCI_CMD_DRAW_TRISTRIP 0x02000000 -#define BCI_CMD_DRAW_TRIFAN 0x04000000 -#define BCI_CMD_DRAW_SKIPFLAGS 0x000000ff -#define BCI_CMD_DRAW_NO_Z 0x00000001 -#define BCI_CMD_DRAW_NO_W 0x00000002 -#define BCI_CMD_DRAW_NO_CD 0x00000004 -#define BCI_CMD_DRAW_NO_CS 0x00000008 -#define BCI_CMD_DRAW_NO_U0 0x00000010 -#define BCI_CMD_DRAW_NO_V0 0x00000020 -#define BCI_CMD_DRAW_NO_UV0 0x00000030 -#define BCI_CMD_DRAW_NO_U1 0x00000040 -#define BCI_CMD_DRAW_NO_V1 0x00000080 -#define BCI_CMD_DRAW_NO_UV1 0x000000c0 - -#define BCI_CMD_DMA 0xa8000000 - -#define BCI_W_H(w, h) ((((h) << 16) | (w)) & 0x0FFF0FFF) -#define BCI_X_Y(x, y) ((((y) << 16) | (x)) & 0x0FFF0FFF) -#define BCI_X_W(x, y) ((((w) << 16) | (x)) & 0x0FFF0FFF) -#define BCI_CLIP_LR(l, r) ((((r) << 16) | (l)) & 0x0FFF0FFF) -#define BCI_CLIP_TL(t, l) ((((t) << 16) | (l)) & 0x0FFF0FFF) -#define BCI_CLIP_BR(b, r) ((((b) << 16) | (r)) & 0x0FFF0FFF) - -#define BCI_LINE_X_Y(x, y) (((y) << 16) | ((x) & 0xFFFF)) -#define BCI_LINE_STEPS(diag, axi) (((axi) << 16) | ((diag) & 0xFFFF)) -#define BCI_LINE_MISC(maj, ym, xp, yp, err) \ - (((maj) & 0x1FFF) | \ - ((ym) ? 1<<13 : 0) | \ - ((xp) ? 1<<14 : 0) | \ - ((yp) ? 1<<15 : 0) | \ - ((err) << 16)) - -/* - * common commands - */ -#define BCI_SET_REGISTERS( first, n ) \ - BCI_WRITE(BCI_CMD_SET_REGISTER | \ - ((uint32_t)(n) & 0xff) << 16 | \ - ((uint32_t)(first) & 0xffff)) -#define DMA_SET_REGISTERS( first, n ) \ - DMA_WRITE(BCI_CMD_SET_REGISTER | \ - ((uint32_t)(n) & 0xff) << 16 | \ - ((uint32_t)(first) & 0xffff)) - -#define BCI_DRAW_PRIMITIVE(n, type, skip) \ - BCI_WRITE(BCI_CMD_DRAW_PRIM | (type) | (skip) | \ - ((n) << 16)) -#define DMA_DRAW_PRIMITIVE(n, type, skip) \ - DMA_WRITE(BCI_CMD_DRAW_PRIM | (type) | (skip) | \ - ((n) << 16)) - -#define BCI_DRAW_INDICES_S3D(n, type, i0) \ - BCI_WRITE(BCI_CMD_DRAW_INDEXED_PRIM | (type) | \ - ((n) << 16) | (i0)) - -#define BCI_DRAW_INDICES_S4(n, type, skip) \ - BCI_WRITE(BCI_CMD_DRAW_INDEXED_PRIM | (type) | \ - (skip) | ((n) << 16)) - -#define BCI_DMA(n) \ - BCI_WRITE(BCI_CMD_DMA | (((n) >> 1) - 1)) - -/* - * access to MMIO - */ -#define SAVAGE_READ(reg) \ - readl(((void __iomem *)dev_priv->mmio->handle) + (reg)) -#define SAVAGE_WRITE(reg) \ - writel(val, ((void __iomem *)dev_priv->mmio->handle) + (reg)) - -/* - * access to the burst command interface (BCI) - */ -#define SAVAGE_BCI_DEBUG 1 - -#define BCI_LOCALS volatile uint32_t *bci_ptr; - -#define BEGIN_BCI( n ) do { \ - dev_priv->wait_fifo(dev_priv, (n)); \ - bci_ptr = dev_priv->bci_ptr; \ -} while(0) - -#define BCI_WRITE( val ) *bci_ptr++ = (uint32_t)(val) - -/* - * command DMA support - */ -#define SAVAGE_DMA_DEBUG 1 - -#define DMA_LOCALS uint32_t *dma_ptr; - -#define BEGIN_DMA( n ) do { \ - unsigned int cur = dev_priv->current_dma_page; \ - unsigned int rest = SAVAGE_DMA_PAGE_SIZE - \ - dev_priv->dma_pages[cur].used; \ - if ((n) > rest) { \ - dma_ptr = savage_dma_alloc(dev_priv, (n)); \ - } else { /* fast path for small allocations */ \ - dma_ptr = (uint32_t *)dev_priv->cmd_dma->handle + \ - cur * SAVAGE_DMA_PAGE_SIZE + \ - dev_priv->dma_pages[cur].used; \ - if (dev_priv->dma_pages[cur].used == 0) \ - savage_dma_wait(dev_priv, cur); \ - dev_priv->dma_pages[cur].used += (n); \ - } \ -} while(0) - -#define DMA_WRITE( val ) *dma_ptr++ = (uint32_t)(val) - -#define DMA_COPY(src, n) do { \ - memcpy(dma_ptr, (src), (n)*4); \ - dma_ptr += n; \ -} while(0) - -#if SAVAGE_DMA_DEBUG -#define DMA_COMMIT() do { \ - unsigned int cur = dev_priv->current_dma_page; \ - uint32_t *expected = (uint32_t *)dev_priv->cmd_dma->handle + \ - cur * SAVAGE_DMA_PAGE_SIZE + \ - dev_priv->dma_pages[cur].used; \ - if (dma_ptr != expected) { \ - DRM_ERROR("DMA allocation and use don't match: " \ - "%p != %p\n", expected, dma_ptr); \ - savage_dma_reset(dev_priv); \ - } \ -} while(0) -#else -#define DMA_COMMIT() do {/* nothing */} while(0) -#endif - -#define DMA_FLUSH() dev_priv->dma_flush(dev_priv) - -/* Buffer aging via event tag - */ - -#define UPDATE_EVENT_COUNTER( ) do { \ - if (dev_priv->status_ptr) { \ - uint16_t count; \ - /* coordinate with Xserver */ \ - count = dev_priv->status_ptr[1023]; \ - if (count < dev_priv->event_counter) \ - dev_priv->event_wrap++; \ - dev_priv->event_counter = count; \ - } \ -} while(0) - -#define SET_AGE( age, e, w ) do { \ - (age)->event = e; \ - (age)->wrap = w; \ -} while(0) - -#define TEST_AGE( age, e, w ) \ - ( (age)->wrap < (w) || ( (age)->wrap == (w) && (age)->event <= (e) ) ) - -#endif /* __SAVAGE_DRV_H__ */ diff --git a/drivers/gpu/drm/savage/savage_state.c b/drivers/gpu/drm/savage/savage_state.c deleted file mode 100644 index e0d40ae67d54..000000000000 --- a/drivers/gpu/drm/savage/savage_state.c +++ /dev/null @@ -1,1169 +0,0 @@ -/* savage_state.c -- State and drawing support for Savage - * - * Copyright 2004 Felix Kuehling - * 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, sub license, - * 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 - * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING 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 -#include - -#include -#include -#include -#include - -#include "savage_drv.h" - -void savage_emit_clip_rect_s3d(drm_savage_private_t * dev_priv, - const struct drm_clip_rect * pbox) -{ - uint32_t scstart = dev_priv->state.s3d.new_scstart; - uint32_t scend = dev_priv->state.s3d.new_scend; - scstart = (scstart & ~SAVAGE_SCISSOR_MASK_S3D) | - ((uint32_t) pbox->x1 & 0x000007ff) | - (((uint32_t) pbox->y1 << 16) & 0x07ff0000); - scend = (scend & ~SAVAGE_SCISSOR_MASK_S3D) | - (((uint32_t) pbox->x2 - 1) & 0x000007ff) | - ((((uint32_t) pbox->y2 - 1) << 16) & 0x07ff0000); - if (scstart != dev_priv->state.s3d.scstart || - scend != dev_priv->state.s3d.scend) { - DMA_LOCALS; - BEGIN_DMA(4); - DMA_WRITE(BCI_CMD_WAIT | BCI_CMD_WAIT_3D); - DMA_SET_REGISTERS(SAVAGE_SCSTART_S3D, 2); - DMA_WRITE(scstart); - DMA_WRITE(scend); - dev_priv->state.s3d.scstart = scstart; - dev_priv->state.s3d.scend = scend; - dev_priv->waiting = 1; - DMA_COMMIT(); - } -} - -void savage_emit_clip_rect_s4(drm_savage_private_t * dev_priv, - const struct drm_clip_rect * pbox) -{ - uint32_t drawctrl0 = dev_priv->state.s4.new_drawctrl0; - uint32_t drawctrl1 = dev_priv->state.s4.new_drawctrl1; - drawctrl0 = (drawctrl0 & ~SAVAGE_SCISSOR_MASK_S4) | - ((uint32_t) pbox->x1 & 0x000007ff) | - (((uint32_t) pbox->y1 << 12) & 0x00fff000); - drawctrl1 = (drawctrl1 & ~SAVAGE_SCISSOR_MASK_S4) | - (((uint32_t) pbox->x2 - 1) & 0x000007ff) | - ((((uint32_t) pbox->y2 - 1) << 12) & 0x00fff000); - if (drawctrl0 != dev_priv->state.s4.drawctrl0 || - drawctrl1 != dev_priv->state.s4.drawctrl1) { - DMA_LOCALS; - BEGIN_DMA(4); - DMA_WRITE(BCI_CMD_WAIT | BCI_CMD_WAIT_3D); - DMA_SET_REGISTERS(SAVAGE_DRAWCTRL0_S4, 2); - DMA_WRITE(drawctrl0); - DMA_WRITE(drawctrl1); - dev_priv->state.s4.drawctrl0 = drawctrl0; - dev_priv->state.s4.drawctrl1 = drawctrl1; - dev_priv->waiting = 1; - DMA_COMMIT(); - } -} - -static int savage_verify_texaddr(drm_savage_private_t * dev_priv, int unit, - uint32_t addr) -{ - if ((addr & 6) != 2) { /* reserved bits */ - DRM_ERROR("bad texAddr%d %08x (reserved bits)\n", unit, addr); - return -EINVAL; - } - if (!(addr & 1)) { /* local */ - addr &= ~7; - if (addr < dev_priv->texture_offset || - addr >= dev_priv->texture_offset + dev_priv->texture_size) { - DRM_ERROR - ("bad texAddr%d %08x (local addr out of range)\n", - unit, addr); - return -EINVAL; - } - } else { /* AGP */ - if (!dev_priv->agp_textures) { - DRM_ERROR("bad texAddr%d %08x (AGP not available)\n", - unit, addr); - return -EINVAL; - } - addr &= ~7; - if (addr < dev_priv->agp_textures->offset || - addr >= (dev_priv->agp_textures->offset + - dev_priv->agp_textures->size)) { - DRM_ERROR - ("bad texAddr%d %08x (AGP addr out of range)\n", - unit, addr); - return -EINVAL; - } - } - return 0; -} - -#define SAVE_STATE(reg,where) \ - if(start <= reg && start+count > reg) \ - dev_priv->state.where = regs[reg - start] -#define SAVE_STATE_MASK(reg,where,mask) do { \ - if(start <= reg && start+count > reg) { \ - uint32_t tmp; \ - tmp = regs[reg - start]; \ - dev_priv->state.where = (tmp & (mask)) | \ - (dev_priv->state.where & ~(mask)); \ - } \ -} while (0) - -static int savage_verify_state_s3d(drm_savage_private_t * dev_priv, - unsigned int start, unsigned int count, - const uint32_t *regs) -{ - if (start < SAVAGE_TEXPALADDR_S3D || - start + count - 1 > SAVAGE_DESTTEXRWWATERMARK_S3D) { - DRM_ERROR("invalid register range (0x%04x-0x%04x)\n", - start, start + count - 1); - return -EINVAL; - } - - SAVE_STATE_MASK(SAVAGE_SCSTART_S3D, s3d.new_scstart, - ~SAVAGE_SCISSOR_MASK_S3D); - SAVE_STATE_MASK(SAVAGE_SCEND_S3D, s3d.new_scend, - ~SAVAGE_SCISSOR_MASK_S3D); - - /* if any texture regs were changed ... */ - if (start <= SAVAGE_TEXCTRL_S3D && - start + count > SAVAGE_TEXPALADDR_S3D) { - /* ... check texture state */ - SAVE_STATE(SAVAGE_TEXCTRL_S3D, s3d.texctrl); - SAVE_STATE(SAVAGE_TEXADDR_S3D, s3d.texaddr); - if (dev_priv->state.s3d.texctrl & SAVAGE_TEXCTRL_TEXEN_MASK) - return savage_verify_texaddr(dev_priv, 0, - dev_priv->state.s3d.texaddr); - } - - return 0; -} - -static int savage_verify_state_s4(drm_savage_private_t * dev_priv, - unsigned int start, unsigned int count, - const uint32_t *regs) -{ - int ret = 0; - - if (start < SAVAGE_DRAWLOCALCTRL_S4 || - start + count - 1 > SAVAGE_TEXBLENDCOLOR_S4) { - DRM_ERROR("invalid register range (0x%04x-0x%04x)\n", - start, start + count - 1); - return -EINVAL; - } - - SAVE_STATE_MASK(SAVAGE_DRAWCTRL0_S4, s4.new_drawctrl0, - ~SAVAGE_SCISSOR_MASK_S4); - SAVE_STATE_MASK(SAVAGE_DRAWCTRL1_S4, s4.new_drawctrl1, - ~SAVAGE_SCISSOR_MASK_S4); - - /* if any texture regs were changed ... */ - if (start <= SAVAGE_TEXDESCR_S4 && - start + count > SAVAGE_TEXPALADDR_S4) { - /* ... check texture state */ - SAVE_STATE(SAVAGE_TEXDESCR_S4, s4.texdescr); - SAVE_STATE(SAVAGE_TEXADDR0_S4, s4.texaddr0); - SAVE_STATE(SAVAGE_TEXADDR1_S4, s4.texaddr1); - if (dev_priv->state.s4.texdescr & SAVAGE_TEXDESCR_TEX0EN_MASK) - ret |= savage_verify_texaddr(dev_priv, 0, - dev_priv->state.s4.texaddr0); - if (dev_priv->state.s4.texdescr & SAVAGE_TEXDESCR_TEX1EN_MASK) - ret |= savage_verify_texaddr(dev_priv, 1, - dev_priv->state.s4.texaddr1); - } - - return ret; -} - -#undef SAVE_STATE -#undef SAVE_STATE_MASK - -static int savage_dispatch_state(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t * cmd_header, - const uint32_t *regs) -{ - unsigned int count = cmd_header->state.count; - unsigned int start = cmd_header->state.start; - unsigned int count2 = 0; - unsigned int bci_size; - int ret; - DMA_LOCALS; - - if (!count) - return 0; - - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - ret = savage_verify_state_s3d(dev_priv, start, count, regs); - if (ret != 0) - return ret; - /* scissor regs are emitted in savage_dispatch_draw */ - if (start < SAVAGE_SCSTART_S3D) { - if (start + count > SAVAGE_SCEND_S3D + 1) - count2 = count - (SAVAGE_SCEND_S3D + 1 - start); - if (start + count > SAVAGE_SCSTART_S3D) - count = SAVAGE_SCSTART_S3D - start; - } else if (start <= SAVAGE_SCEND_S3D) { - if (start + count > SAVAGE_SCEND_S3D + 1) { - count -= SAVAGE_SCEND_S3D + 1 - start; - start = SAVAGE_SCEND_S3D + 1; - } else - return 0; - } - } else { - ret = savage_verify_state_s4(dev_priv, start, count, regs); - if (ret != 0) - return ret; - /* scissor regs are emitted in savage_dispatch_draw */ - if (start < SAVAGE_DRAWCTRL0_S4) { - if (start + count > SAVAGE_DRAWCTRL1_S4 + 1) - count2 = count - - (SAVAGE_DRAWCTRL1_S4 + 1 - start); - if (start + count > SAVAGE_DRAWCTRL0_S4) - count = SAVAGE_DRAWCTRL0_S4 - start; - } else if (start <= SAVAGE_DRAWCTRL1_S4) { - if (start + count > SAVAGE_DRAWCTRL1_S4 + 1) { - count -= SAVAGE_DRAWCTRL1_S4 + 1 - start; - start = SAVAGE_DRAWCTRL1_S4 + 1; - } else - return 0; - } - } - - bci_size = count + (count + 254) / 255 + count2 + (count2 + 254) / 255; - - if (cmd_header->state.global) { - BEGIN_DMA(bci_size + 1); - DMA_WRITE(BCI_CMD_WAIT | BCI_CMD_WAIT_3D); - dev_priv->waiting = 1; - } else { - BEGIN_DMA(bci_size); - } - - do { - while (count > 0) { - unsigned int n = count < 255 ? count : 255; - DMA_SET_REGISTERS(start, n); - DMA_COPY(regs, n); - count -= n; - start += n; - regs += n; - } - start += 2; - regs += 2; - count = count2; - count2 = 0; - } while (count); - - DMA_COMMIT(); - - return 0; -} - -static int savage_dispatch_dma_prim(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t * cmd_header, - const struct drm_buf * dmabuf) -{ - unsigned char reorder = 0; - unsigned int prim = cmd_header->prim.prim; - unsigned int skip = cmd_header->prim.skip; - unsigned int n = cmd_header->prim.count; - unsigned int start = cmd_header->prim.start; - unsigned int i; - BCI_LOCALS; - - if (!dmabuf) { - DRM_ERROR("called without dma buffers!\n"); - return -EINVAL; - } - - if (!n) - return 0; - - switch (prim) { - case SAVAGE_PRIM_TRILIST_201: - reorder = 1; - prim = SAVAGE_PRIM_TRILIST; - fallthrough; - case SAVAGE_PRIM_TRILIST: - if (n % 3 != 0) { - DRM_ERROR("wrong number of vertices %u in TRILIST\n", - n); - return -EINVAL; - } - break; - case SAVAGE_PRIM_TRISTRIP: - case SAVAGE_PRIM_TRIFAN: - if (n < 3) { - DRM_ERROR - ("wrong number of vertices %u in TRIFAN/STRIP\n", - n); - return -EINVAL; - } - break; - default: - DRM_ERROR("invalid primitive type %u\n", prim); - return -EINVAL; - } - - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - if (skip != 0) { - DRM_ERROR("invalid skip flags 0x%04x for DMA\n", skip); - return -EINVAL; - } - } else { - unsigned int size = 10 - (skip & 1) - (skip >> 1 & 1) - - (skip >> 2 & 1) - (skip >> 3 & 1) - (skip >> 4 & 1) - - (skip >> 5 & 1) - (skip >> 6 & 1) - (skip >> 7 & 1); - if (skip > SAVAGE_SKIP_ALL_S4 || size != 8) { - DRM_ERROR("invalid skip flags 0x%04x for DMA\n", skip); - return -EINVAL; - } - if (reorder) { - DRM_ERROR("TRILIST_201 used on Savage4 hardware\n"); - return -EINVAL; - } - } - - if (start + n > dmabuf->total / 32) { - DRM_ERROR("vertex indices (%u-%u) out of range (0-%u)\n", - start, start + n - 1, dmabuf->total / 32); - return -EINVAL; - } - - /* Vertex DMA doesn't work with command DMA at the same time, - * so we use BCI_... to submit commands here. Flush buffered - * faked DMA first. */ - DMA_FLUSH(); - - if (dmabuf->bus_address != dev_priv->state.common.vbaddr) { - BEGIN_BCI(2); - BCI_SET_REGISTERS(SAVAGE_VERTBUFADDR, 1); - BCI_WRITE(dmabuf->bus_address | dev_priv->dma_type); - dev_priv->state.common.vbaddr = dmabuf->bus_address; - } - if (S3_SAVAGE3D_SERIES(dev_priv->chipset) && dev_priv->waiting) { - /* Workaround for what looks like a hardware bug. If a - * WAIT_3D_IDLE was emitted some time before the - * indexed drawing command then the engine will lock - * up. There are two known workarounds: - * WAIT_IDLE_EMPTY or emit at least 63 NOPs. */ - BEGIN_BCI(63); - for (i = 0; i < 63; ++i) - BCI_WRITE(BCI_CMD_WAIT); - dev_priv->waiting = 0; - } - - prim <<= 25; - while (n != 0) { - /* Can emit up to 255 indices (85 triangles) at once. */ - unsigned int count = n > 255 ? 255 : n; - if (reorder) { - /* Need to reorder indices for correct flat - * shading while preserving the clock sense - * for correct culling. Only on Savage3D. */ - int reorder[3] = { -1, -1, -1 }; - reorder[start % 3] = 2; - - BEGIN_BCI((count + 1 + 1) / 2); - BCI_DRAW_INDICES_S3D(count, prim, start + 2); - - for (i = start + 1; i + 1 < start + count; i += 2) - BCI_WRITE((i + reorder[i % 3]) | - ((i + 1 + - reorder[(i + 1) % 3]) << 16)); - if (i < start + count) - BCI_WRITE(i + reorder[i % 3]); - } else if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - BEGIN_BCI((count + 1 + 1) / 2); - BCI_DRAW_INDICES_S3D(count, prim, start); - - for (i = start + 1; i + 1 < start + count; i += 2) - BCI_WRITE(i | ((i + 1) << 16)); - if (i < start + count) - BCI_WRITE(i); - } else { - BEGIN_BCI((count + 2 + 1) / 2); - BCI_DRAW_INDICES_S4(count, prim, skip); - - for (i = start; i + 1 < start + count; i += 2) - BCI_WRITE(i | ((i + 1) << 16)); - if (i < start + count) - BCI_WRITE(i); - } - - start += count; - n -= count; - - prim |= BCI_CMD_DRAW_CONT; - } - - return 0; -} - -static int savage_dispatch_vb_prim(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t * cmd_header, - const uint32_t *vtxbuf, unsigned int vb_size, - unsigned int vb_stride) -{ - unsigned char reorder = 0; - unsigned int prim = cmd_header->prim.prim; - unsigned int skip = cmd_header->prim.skip; - unsigned int n = cmd_header->prim.count; - unsigned int start = cmd_header->prim.start; - unsigned int vtx_size; - unsigned int i; - DMA_LOCALS; - - if (!n) - return 0; - - switch (prim) { - case SAVAGE_PRIM_TRILIST_201: - reorder = 1; - prim = SAVAGE_PRIM_TRILIST; - fallthrough; - case SAVAGE_PRIM_TRILIST: - if (n % 3 != 0) { - DRM_ERROR("wrong number of vertices %u in TRILIST\n", - n); - return -EINVAL; - } - break; - case SAVAGE_PRIM_TRISTRIP: - case SAVAGE_PRIM_TRIFAN: - if (n < 3) { - DRM_ERROR - ("wrong number of vertices %u in TRIFAN/STRIP\n", - n); - return -EINVAL; - } - break; - default: - DRM_ERROR("invalid primitive type %u\n", prim); - return -EINVAL; - } - - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - if (skip > SAVAGE_SKIP_ALL_S3D) { - DRM_ERROR("invalid skip flags 0x%04x\n", skip); - return -EINVAL; - } - vtx_size = 8; /* full vertex */ - } else { - if (skip > SAVAGE_SKIP_ALL_S4) { - DRM_ERROR("invalid skip flags 0x%04x\n", skip); - return -EINVAL; - } - vtx_size = 10; /* full vertex */ - } - - vtx_size -= (skip & 1) + (skip >> 1 & 1) + - (skip >> 2 & 1) + (skip >> 3 & 1) + (skip >> 4 & 1) + - (skip >> 5 & 1) + (skip >> 6 & 1) + (skip >> 7 & 1); - - if (vtx_size > vb_stride) { - DRM_ERROR("vertex size greater than vb stride (%u > %u)\n", - vtx_size, vb_stride); - return -EINVAL; - } - - if (start + n > vb_size / (vb_stride * 4)) { - DRM_ERROR("vertex indices (%u-%u) out of range (0-%u)\n", - start, start + n - 1, vb_size / (vb_stride * 4)); - return -EINVAL; - } - - prim <<= 25; - while (n != 0) { - /* Can emit up to 255 vertices (85 triangles) at once. */ - unsigned int count = n > 255 ? 255 : n; - if (reorder) { - /* Need to reorder vertices for correct flat - * shading while preserving the clock sense - * for correct culling. Only on Savage3D. */ - int reorder[3] = { -1, -1, -1 }; - reorder[start % 3] = 2; - - BEGIN_DMA(count * vtx_size + 1); - DMA_DRAW_PRIMITIVE(count, prim, skip); - - for (i = start; i < start + count; ++i) { - unsigned int j = i + reorder[i % 3]; - DMA_COPY(&vtxbuf[vb_stride * j], vtx_size); - } - - DMA_COMMIT(); - } else { - BEGIN_DMA(count * vtx_size + 1); - DMA_DRAW_PRIMITIVE(count, prim, skip); - - if (vb_stride == vtx_size) { - DMA_COPY(&vtxbuf[vb_stride * start], - vtx_size * count); - } else { - for (i = start; i < start + count; ++i) { - DMA_COPY(&vtxbuf [vb_stride * i], - vtx_size); - } - } - - DMA_COMMIT(); - } - - start += count; - n -= count; - - prim |= BCI_CMD_DRAW_CONT; - } - - return 0; -} - -static int savage_dispatch_dma_idx(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t * cmd_header, - const uint16_t *idx, - const struct drm_buf * dmabuf) -{ - unsigned char reorder = 0; - unsigned int prim = cmd_header->idx.prim; - unsigned int skip = cmd_header->idx.skip; - unsigned int n = cmd_header->idx.count; - unsigned int i; - BCI_LOCALS; - - if (!dmabuf) { - DRM_ERROR("called without dma buffers!\n"); - return -EINVAL; - } - - if (!n) - return 0; - - switch (prim) { - case SAVAGE_PRIM_TRILIST_201: - reorder = 1; - prim = SAVAGE_PRIM_TRILIST; - fallthrough; - case SAVAGE_PRIM_TRILIST: - if (n % 3 != 0) { - DRM_ERROR("wrong number of indices %u in TRILIST\n", n); - return -EINVAL; - } - break; - case SAVAGE_PRIM_TRISTRIP: - case SAVAGE_PRIM_TRIFAN: - if (n < 3) { - DRM_ERROR - ("wrong number of indices %u in TRIFAN/STRIP\n", n); - return -EINVAL; - } - break; - default: - DRM_ERROR("invalid primitive type %u\n", prim); - return -EINVAL; - } - - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - if (skip != 0) { - DRM_ERROR("invalid skip flags 0x%04x for DMA\n", skip); - return -EINVAL; - } - } else { - unsigned int size = 10 - (skip & 1) - (skip >> 1 & 1) - - (skip >> 2 & 1) - (skip >> 3 & 1) - (skip >> 4 & 1) - - (skip >> 5 & 1) - (skip >> 6 & 1) - (skip >> 7 & 1); - if (skip > SAVAGE_SKIP_ALL_S4 || size != 8) { - DRM_ERROR("invalid skip flags 0x%04x for DMA\n", skip); - return -EINVAL; - } - if (reorder) { - DRM_ERROR("TRILIST_201 used on Savage4 hardware\n"); - return -EINVAL; - } - } - - /* Vertex DMA doesn't work with command DMA at the same time, - * so we use BCI_... to submit commands here. Flush buffered - * faked DMA first. */ - DMA_FLUSH(); - - if (dmabuf->bus_address != dev_priv->state.common.vbaddr) { - BEGIN_BCI(2); - BCI_SET_REGISTERS(SAVAGE_VERTBUFADDR, 1); - BCI_WRITE(dmabuf->bus_address | dev_priv->dma_type); - dev_priv->state.common.vbaddr = dmabuf->bus_address; - } - if (S3_SAVAGE3D_SERIES(dev_priv->chipset) && dev_priv->waiting) { - /* Workaround for what looks like a hardware bug. If a - * WAIT_3D_IDLE was emitted some time before the - * indexed drawing command then the engine will lock - * up. There are two known workarounds: - * WAIT_IDLE_EMPTY or emit at least 63 NOPs. */ - BEGIN_BCI(63); - for (i = 0; i < 63; ++i) - BCI_WRITE(BCI_CMD_WAIT); - dev_priv->waiting = 0; - } - - prim <<= 25; - while (n != 0) { - /* Can emit up to 255 indices (85 triangles) at once. */ - unsigned int count = n > 255 ? 255 : n; - - /* check indices */ - for (i = 0; i < count; ++i) { - if (idx[i] > dmabuf->total / 32) { - DRM_ERROR("idx[%u]=%u out of range (0-%u)\n", - i, idx[i], dmabuf->total / 32); - return -EINVAL; - } - } - - if (reorder) { - /* Need to reorder indices for correct flat - * shading while preserving the clock sense - * for correct culling. Only on Savage3D. */ - int reorder[3] = { 2, -1, -1 }; - - BEGIN_BCI((count + 1 + 1) / 2); - BCI_DRAW_INDICES_S3D(count, prim, idx[2]); - - for (i = 1; i + 1 < count; i += 2) - BCI_WRITE(idx[i + reorder[i % 3]] | - (idx[i + 1 + - reorder[(i + 1) % 3]] << 16)); - if (i < count) - BCI_WRITE(idx[i + reorder[i % 3]]); - } else if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - BEGIN_BCI((count + 1 + 1) / 2); - BCI_DRAW_INDICES_S3D(count, prim, idx[0]); - - for (i = 1; i + 1 < count; i += 2) - BCI_WRITE(idx[i] | (idx[i + 1] << 16)); - if (i < count) - BCI_WRITE(idx[i]); - } else { - BEGIN_BCI((count + 2 + 1) / 2); - BCI_DRAW_INDICES_S4(count, prim, skip); - - for (i = 0; i + 1 < count; i += 2) - BCI_WRITE(idx[i] | (idx[i + 1] << 16)); - if (i < count) - BCI_WRITE(idx[i]); - } - - idx += count; - n -= count; - - prim |= BCI_CMD_DRAW_CONT; - } - - return 0; -} - -static int savage_dispatch_vb_idx(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t * cmd_header, - const uint16_t *idx, - const uint32_t *vtxbuf, - unsigned int vb_size, unsigned int vb_stride) -{ - unsigned char reorder = 0; - unsigned int prim = cmd_header->idx.prim; - unsigned int skip = cmd_header->idx.skip; - unsigned int n = cmd_header->idx.count; - unsigned int vtx_size; - unsigned int i; - DMA_LOCALS; - - if (!n) - return 0; - - switch (prim) { - case SAVAGE_PRIM_TRILIST_201: - reorder = 1; - prim = SAVAGE_PRIM_TRILIST; - fallthrough; - case SAVAGE_PRIM_TRILIST: - if (n % 3 != 0) { - DRM_ERROR("wrong number of indices %u in TRILIST\n", n); - return -EINVAL; - } - break; - case SAVAGE_PRIM_TRISTRIP: - case SAVAGE_PRIM_TRIFAN: - if (n < 3) { - DRM_ERROR - ("wrong number of indices %u in TRIFAN/STRIP\n", n); - return -EINVAL; - } - break; - default: - DRM_ERROR("invalid primitive type %u\n", prim); - return -EINVAL; - } - - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - if (skip > SAVAGE_SKIP_ALL_S3D) { - DRM_ERROR("invalid skip flags 0x%04x\n", skip); - return -EINVAL; - } - vtx_size = 8; /* full vertex */ - } else { - if (skip > SAVAGE_SKIP_ALL_S4) { - DRM_ERROR("invalid skip flags 0x%04x\n", skip); - return -EINVAL; - } - vtx_size = 10; /* full vertex */ - } - - vtx_size -= (skip & 1) + (skip >> 1 & 1) + - (skip >> 2 & 1) + (skip >> 3 & 1) + (skip >> 4 & 1) + - (skip >> 5 & 1) + (skip >> 6 & 1) + (skip >> 7 & 1); - - if (vtx_size > vb_stride) { - DRM_ERROR("vertex size greater than vb stride (%u > %u)\n", - vtx_size, vb_stride); - return -EINVAL; - } - - prim <<= 25; - while (n != 0) { - /* Can emit up to 255 vertices (85 triangles) at once. */ - unsigned int count = n > 255 ? 255 : n; - - /* Check indices */ - for (i = 0; i < count; ++i) { - if (idx[i] > vb_size / (vb_stride * 4)) { - DRM_ERROR("idx[%u]=%u out of range (0-%u)\n", - i, idx[i], vb_size / (vb_stride * 4)); - return -EINVAL; - } - } - - if (reorder) { - /* Need to reorder vertices for correct flat - * shading while preserving the clock sense - * for correct culling. Only on Savage3D. */ - int reorder[3] = { 2, -1, -1 }; - - BEGIN_DMA(count * vtx_size + 1); - DMA_DRAW_PRIMITIVE(count, prim, skip); - - for (i = 0; i < count; ++i) { - unsigned int j = idx[i + reorder[i % 3]]; - DMA_COPY(&vtxbuf[vb_stride * j], vtx_size); - } - - DMA_COMMIT(); - } else { - BEGIN_DMA(count * vtx_size + 1); - DMA_DRAW_PRIMITIVE(count, prim, skip); - - for (i = 0; i < count; ++i) { - unsigned int j = idx[i]; - DMA_COPY(&vtxbuf[vb_stride * j], vtx_size); - } - - DMA_COMMIT(); - } - - idx += count; - n -= count; - - prim |= BCI_CMD_DRAW_CONT; - } - - return 0; -} - -static int savage_dispatch_clear(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t * cmd_header, - const drm_savage_cmd_header_t *data, - unsigned int nbox, - const struct drm_clip_rect *boxes) -{ - unsigned int flags = cmd_header->clear0.flags; - unsigned int clear_cmd; - unsigned int i, nbufs; - DMA_LOCALS; - - if (nbox == 0) - return 0; - - clear_cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP | - BCI_CMD_SEND_COLOR | BCI_CMD_DEST_PBD_NEW; - BCI_CMD_SET_ROP(clear_cmd, 0xCC); - - nbufs = ((flags & SAVAGE_FRONT) ? 1 : 0) + - ((flags & SAVAGE_BACK) ? 1 : 0) + ((flags & SAVAGE_DEPTH) ? 1 : 0); - if (nbufs == 0) - return 0; - - if (data->clear1.mask != 0xffffffff) { - /* set mask */ - BEGIN_DMA(2); - DMA_SET_REGISTERS(SAVAGE_BITPLANEWTMASK, 1); - DMA_WRITE(data->clear1.mask); - DMA_COMMIT(); - } - for (i = 0; i < nbox; ++i) { - unsigned int x, y, w, h; - unsigned int buf; - x = boxes[i].x1, y = boxes[i].y1; - w = boxes[i].x2 - boxes[i].x1; - h = boxes[i].y2 - boxes[i].y1; - BEGIN_DMA(nbufs * 6); - for (buf = SAVAGE_FRONT; buf <= SAVAGE_DEPTH; buf <<= 1) { - if (!(flags & buf)) - continue; - DMA_WRITE(clear_cmd); - switch (buf) { - case SAVAGE_FRONT: - DMA_WRITE(dev_priv->front_offset); - DMA_WRITE(dev_priv->front_bd); - break; - case SAVAGE_BACK: - DMA_WRITE(dev_priv->back_offset); - DMA_WRITE(dev_priv->back_bd); - break; - case SAVAGE_DEPTH: - DMA_WRITE(dev_priv->depth_offset); - DMA_WRITE(dev_priv->depth_bd); - break; - } - DMA_WRITE(data->clear1.value); - DMA_WRITE(BCI_X_Y(x, y)); - DMA_WRITE(BCI_W_H(w, h)); - } - DMA_COMMIT(); - } - if (data->clear1.mask != 0xffffffff) { - /* reset mask */ - BEGIN_DMA(2); - DMA_SET_REGISTERS(SAVAGE_BITPLANEWTMASK, 1); - DMA_WRITE(0xffffffff); - DMA_COMMIT(); - } - - return 0; -} - -static int savage_dispatch_swap(drm_savage_private_t * dev_priv, - unsigned int nbox, const struct drm_clip_rect *boxes) -{ - unsigned int swap_cmd; - unsigned int i; - DMA_LOCALS; - - if (nbox == 0) - return 0; - - swap_cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP | - BCI_CMD_SRC_PBD_COLOR_NEW | BCI_CMD_DEST_GBD; - BCI_CMD_SET_ROP(swap_cmd, 0xCC); - - for (i = 0; i < nbox; ++i) { - BEGIN_DMA(6); - DMA_WRITE(swap_cmd); - DMA_WRITE(dev_priv->back_offset); - DMA_WRITE(dev_priv->back_bd); - DMA_WRITE(BCI_X_Y(boxes[i].x1, boxes[i].y1)); - DMA_WRITE(BCI_X_Y(boxes[i].x1, boxes[i].y1)); - DMA_WRITE(BCI_W_H(boxes[i].x2 - boxes[i].x1, - boxes[i].y2 - boxes[i].y1)); - DMA_COMMIT(); - } - - return 0; -} - -static int savage_dispatch_draw(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t *start, - const drm_savage_cmd_header_t *end, - const struct drm_buf * dmabuf, - const unsigned int *vtxbuf, - unsigned int vb_size, unsigned int vb_stride, - unsigned int nbox, - const struct drm_clip_rect *boxes) -{ - unsigned int i, j; - int ret; - - for (i = 0; i < nbox; ++i) { - const drm_savage_cmd_header_t *cmdbuf; - dev_priv->emit_clip_rect(dev_priv, &boxes[i]); - - cmdbuf = start; - while (cmdbuf < end) { - drm_savage_cmd_header_t cmd_header; - cmd_header = *cmdbuf; - cmdbuf++; - switch (cmd_header.cmd.cmd) { - case SAVAGE_CMD_DMA_PRIM: - ret = savage_dispatch_dma_prim( - dev_priv, &cmd_header, dmabuf); - break; - case SAVAGE_CMD_VB_PRIM: - ret = savage_dispatch_vb_prim( - dev_priv, &cmd_header, - vtxbuf, vb_size, vb_stride); - break; - case SAVAGE_CMD_DMA_IDX: - j = (cmd_header.idx.count + 3) / 4; - /* j was check in savage_bci_cmdbuf */ - ret = savage_dispatch_dma_idx(dev_priv, - &cmd_header, (const uint16_t *)cmdbuf, - dmabuf); - cmdbuf += j; - break; - case SAVAGE_CMD_VB_IDX: - j = (cmd_header.idx.count + 3) / 4; - /* j was check in savage_bci_cmdbuf */ - ret = savage_dispatch_vb_idx(dev_priv, - &cmd_header, (const uint16_t *)cmdbuf, - (const uint32_t *)vtxbuf, vb_size, - vb_stride); - cmdbuf += j; - break; - default: - /* What's the best return code? EFAULT? */ - DRM_ERROR("IMPLEMENTATION ERROR: " - "non-drawing-command %d\n", - cmd_header.cmd.cmd); - return -EINVAL; - } - - if (ret != 0) - return ret; - } - } - - return 0; -} - -int savage_bci_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - struct drm_device_dma *dma = dev->dma; - struct drm_buf *dmabuf; - drm_savage_cmdbuf_t *cmdbuf = data; - drm_savage_cmd_header_t *kcmd_addr = NULL; - drm_savage_cmd_header_t *first_draw_cmd; - unsigned int *kvb_addr = NULL; - struct drm_clip_rect *kbox_addr = NULL; - unsigned int i, j; - int ret = 0; - - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - if (dma && dma->buflist) { - if (cmdbuf->dma_idx >= dma->buf_count) { - DRM_ERROR - ("vertex buffer index %u out of range (0-%u)\n", - cmdbuf->dma_idx, dma->buf_count - 1); - return -EINVAL; - } - dmabuf = dma->buflist[cmdbuf->dma_idx]; - } else { - dmabuf = NULL; - } - - /* Copy the user buffers into kernel temporary areas. This hasn't been - * a performance loss compared to VERIFYAREA_READ/ - * COPY_FROM_USER_UNCHECKED when done in other drivers, and is correct - * for locking on FreeBSD. - */ - if (cmdbuf->size) { - kcmd_addr = kmalloc_array(cmdbuf->size, 8, GFP_KERNEL); - if (kcmd_addr == NULL) - return -ENOMEM; - - if (copy_from_user(kcmd_addr, cmdbuf->cmd_addr, - cmdbuf->size * 8)) - { - kfree(kcmd_addr); - return -EFAULT; - } - cmdbuf->cmd_addr = kcmd_addr; - } - if (cmdbuf->vb_size) { - kvb_addr = memdup_user(cmdbuf->vb_addr, cmdbuf->vb_size); - if (IS_ERR(kvb_addr)) { - ret = PTR_ERR(kvb_addr); - kvb_addr = NULL; - goto done; - } - cmdbuf->vb_addr = kvb_addr; - } - if (cmdbuf->nbox) { - kbox_addr = kmalloc_array(cmdbuf->nbox, sizeof(struct drm_clip_rect), - GFP_KERNEL); - if (kbox_addr == NULL) { - ret = -ENOMEM; - goto done; - } - - if (copy_from_user(kbox_addr, cmdbuf->box_addr, - cmdbuf->nbox * sizeof(struct drm_clip_rect))) { - ret = -EFAULT; - goto done; - } - cmdbuf->box_addr = kbox_addr; - } - - /* Make sure writes to DMA buffers are finished before sending - * DMA commands to the graphics hardware. */ - mb(); - - /* Coming from user space. Don't know if the Xserver has - * emitted wait commands. Assuming the worst. */ - dev_priv->waiting = 1; - - i = 0; - first_draw_cmd = NULL; - while (i < cmdbuf->size) { - drm_savage_cmd_header_t cmd_header; - cmd_header = *(drm_savage_cmd_header_t *)cmdbuf->cmd_addr; - cmdbuf->cmd_addr++; - i++; - - /* Group drawing commands with same state to minimize - * iterations over clip rects. */ - j = 0; - switch (cmd_header.cmd.cmd) { - case SAVAGE_CMD_DMA_IDX: - case SAVAGE_CMD_VB_IDX: - j = (cmd_header.idx.count + 3) / 4; - if (i + j > cmdbuf->size) { - DRM_ERROR("indexed drawing command extends " - "beyond end of command buffer\n"); - DMA_FLUSH(); - ret = -EINVAL; - goto done; - } - fallthrough; - case SAVAGE_CMD_DMA_PRIM: - case SAVAGE_CMD_VB_PRIM: - if (!first_draw_cmd) - first_draw_cmd = cmdbuf->cmd_addr - 1; - cmdbuf->cmd_addr += j; - i += j; - break; - default: - if (first_draw_cmd) { - ret = savage_dispatch_draw( - dev_priv, first_draw_cmd, - cmdbuf->cmd_addr - 1, - dmabuf, cmdbuf->vb_addr, cmdbuf->vb_size, - cmdbuf->vb_stride, - cmdbuf->nbox, cmdbuf->box_addr); - if (ret != 0) - goto done; - first_draw_cmd = NULL; - } - } - if (first_draw_cmd) - continue; - - switch (cmd_header.cmd.cmd) { - case SAVAGE_CMD_STATE: - j = (cmd_header.state.count + 1) / 2; - if (i + j > cmdbuf->size) { - DRM_ERROR("command SAVAGE_CMD_STATE extends " - "beyond end of command buffer\n"); - DMA_FLUSH(); - ret = -EINVAL; - goto done; - } - ret = savage_dispatch_state(dev_priv, &cmd_header, - (const uint32_t *)cmdbuf->cmd_addr); - cmdbuf->cmd_addr += j; - i += j; - break; - case SAVAGE_CMD_CLEAR: - if (i + 1 > cmdbuf->size) { - DRM_ERROR("command SAVAGE_CMD_CLEAR extends " - "beyond end of command buffer\n"); - DMA_FLUSH(); - ret = -EINVAL; - goto done; - } - ret = savage_dispatch_clear(dev_priv, &cmd_header, - cmdbuf->cmd_addr, - cmdbuf->nbox, - cmdbuf->box_addr); - cmdbuf->cmd_addr++; - i++; - break; - case SAVAGE_CMD_SWAP: - ret = savage_dispatch_swap(dev_priv, cmdbuf->nbox, - cmdbuf->box_addr); - break; - default: - DRM_ERROR("invalid command 0x%x\n", - cmd_header.cmd.cmd); - DMA_FLUSH(); - ret = -EINVAL; - goto done; - } - - if (ret != 0) { - DMA_FLUSH(); - goto done; - } - } - - if (first_draw_cmd) { - ret = savage_dispatch_draw ( - dev_priv, first_draw_cmd, cmdbuf->cmd_addr, dmabuf, - cmdbuf->vb_addr, cmdbuf->vb_size, cmdbuf->vb_stride, - cmdbuf->nbox, cmdbuf->box_addr); - if (ret != 0) { - DMA_FLUSH(); - goto done; - } - } - - DMA_FLUSH(); - - if (dmabuf && cmdbuf->discard) { - drm_savage_buf_priv_t *buf_priv = dmabuf->dev_private; - uint16_t event; - event = savage_bci_emit_event(dev_priv, SAVAGE_WAIT_3D); - SET_AGE(&buf_priv->age, event, dev_priv->event_wrap); - savage_freelist_put(dev, dmabuf); - } - -done: - /* If we didn't need to allocate them, these'll be NULL */ - kfree(kcmd_addr); - kfree(kvb_addr); - kfree(kbox_addr); - - return ret; -} diff --git a/include/uapi/drm/savage_drm.h b/include/uapi/drm/savage_drm.h deleted file mode 100644 index 0f6eddef74aa..000000000000 --- a/include/uapi/drm/savage_drm.h +++ /dev/null @@ -1,220 +0,0 @@ -/* savage_drm.h -- Public header for the savage driver - * - * Copyright 2004 Felix Kuehling - * 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, sub license, - * 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 - * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING 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. - */ - -#ifndef __SAVAGE_DRM_H__ -#define __SAVAGE_DRM_H__ - -#include "drm.h" - -#if defined(__cplusplus) -extern "C" { -#endif - -#ifndef __SAVAGE_SAREA_DEFINES__ -#define __SAVAGE_SAREA_DEFINES__ - -/* 2 heaps (1 for card, 1 for agp), each divided into up to 128 - * regions, subject to a minimum region size of (1<<16) == 64k. - * - * Clients may subdivide regions internally, but when sharing between - * clients, the region size is the minimum granularity. - */ - -#define SAVAGE_CARD_HEAP 0 -#define SAVAGE_AGP_HEAP 1 -#define SAVAGE_NR_TEX_HEAPS 2 -#define SAVAGE_NR_TEX_REGIONS 16 -#define SAVAGE_LOG_MIN_TEX_REGION_SIZE 16 - -#endif /* __SAVAGE_SAREA_DEFINES__ */ - -typedef struct _drm_savage_sarea { - /* LRU lists for texture memory in agp space and on the card. - */ - struct drm_tex_region texList[SAVAGE_NR_TEX_HEAPS][SAVAGE_NR_TEX_REGIONS + - 1]; - unsigned int texAge[SAVAGE_NR_TEX_HEAPS]; - - /* Mechanism to validate card state. - */ - int ctxOwner; -} drm_savage_sarea_t, *drm_savage_sarea_ptr; - -/* Savage-specific ioctls - */ -#define DRM_SAVAGE_BCI_INIT 0x00 -#define DRM_SAVAGE_BCI_CMDBUF 0x01 -#define DRM_SAVAGE_BCI_EVENT_EMIT 0x02 -#define DRM_SAVAGE_BCI_EVENT_WAIT 0x03 - -#define DRM_IOCTL_SAVAGE_BCI_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_INIT, drm_savage_init_t) -#define DRM_IOCTL_SAVAGE_BCI_CMDBUF DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_CMDBUF, drm_savage_cmdbuf_t) -#define DRM_IOCTL_SAVAGE_BCI_EVENT_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_SAVAGE_BCI_EVENT_EMIT, drm_savage_event_emit_t) -#define DRM_IOCTL_SAVAGE_BCI_EVENT_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_EVENT_WAIT, drm_savage_event_wait_t) - -#define SAVAGE_DMA_PCI 1 -#define SAVAGE_DMA_AGP 3 -typedef struct drm_savage_init { - enum { - SAVAGE_INIT_BCI = 1, - SAVAGE_CLEANUP_BCI = 2 - } func; - unsigned int sarea_priv_offset; - - /* some parameters */ - unsigned int cob_size; - unsigned int bci_threshold_lo, bci_threshold_hi; - unsigned int dma_type; - - /* frame buffer layout */ - 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; - - /* local textures */ - unsigned int texture_offset; - unsigned int texture_size; - - /* physical locations of non-permanent maps */ - unsigned long status_offset; - unsigned long buffers_offset; - unsigned long agp_textures_offset; - unsigned long cmd_dma_offset; -} drm_savage_init_t; - -typedef union drm_savage_cmd_header drm_savage_cmd_header_t; -typedef struct drm_savage_cmdbuf { - /* command buffer in client's address space */ - drm_savage_cmd_header_t __user *cmd_addr; - unsigned int size; /* size of the command buffer in 64bit units */ - - unsigned int dma_idx; /* DMA buffer index to use */ - int discard; /* discard DMA buffer when done */ - /* vertex buffer in client's address space */ - unsigned int __user *vb_addr; - unsigned int vb_size; /* size of client vertex buffer in bytes */ - unsigned int vb_stride; /* stride of vertices in 32bit words */ - /* boxes in client's address space */ - struct drm_clip_rect __user *box_addr; - unsigned int nbox; /* number of clipping boxes */ -} drm_savage_cmdbuf_t; - -#define SAVAGE_WAIT_2D 0x1 /* wait for 2D idle before updating event tag */ -#define SAVAGE_WAIT_3D 0x2 /* wait for 3D idle before updating event tag */ -#define SAVAGE_WAIT_IRQ 0x4 /* emit or wait for IRQ, not implemented yet */ -typedef struct drm_savage_event { - unsigned int count; - unsigned int flags; -} drm_savage_event_emit_t, drm_savage_event_wait_t; - -/* Commands for the cmdbuf ioctl - */ -#define SAVAGE_CMD_STATE 0 /* a range of state registers */ -#define SAVAGE_CMD_DMA_PRIM 1 /* vertices from DMA buffer */ -#define SAVAGE_CMD_VB_PRIM 2 /* vertices from client vertex buffer */ -#define SAVAGE_CMD_DMA_IDX 3 /* indexed vertices from DMA buffer */ -#define SAVAGE_CMD_VB_IDX 4 /* indexed vertices client vertex buffer */ -#define SAVAGE_CMD_CLEAR 5 /* clear buffers */ -#define SAVAGE_CMD_SWAP 6 /* swap buffers */ - -/* Primitive types -*/ -#define SAVAGE_PRIM_TRILIST 0 /* triangle list */ -#define SAVAGE_PRIM_TRISTRIP 1 /* triangle strip */ -#define SAVAGE_PRIM_TRIFAN 2 /* triangle fan */ -#define SAVAGE_PRIM_TRILIST_201 3 /* reorder verts for correct flat - * shading on s3d */ - -/* Skip flags (vertex format) - */ -#define SAVAGE_SKIP_Z 0x01 -#define SAVAGE_SKIP_W 0x02 -#define SAVAGE_SKIP_C0 0x04 -#define SAVAGE_SKIP_C1 0x08 -#define SAVAGE_SKIP_S0 0x10 -#define SAVAGE_SKIP_T0 0x20 -#define SAVAGE_SKIP_ST0 0x30 -#define SAVAGE_SKIP_S1 0x40 -#define SAVAGE_SKIP_T1 0x80 -#define SAVAGE_SKIP_ST1 0xc0 -#define SAVAGE_SKIP_ALL_S3D 0x3f -#define SAVAGE_SKIP_ALL_S4 0xff - -/* Buffer names for clear command - */ -#define SAVAGE_FRONT 0x1 -#define SAVAGE_BACK 0x2 -#define SAVAGE_DEPTH 0x4 - -/* 64-bit command header - */ -union drm_savage_cmd_header { - struct { - unsigned char cmd; /* command */ - unsigned char pad0; - unsigned short pad1; - unsigned short pad2; - unsigned short pad3; - } cmd; /* generic */ - struct { - unsigned char cmd; - unsigned char global; /* need idle engine? */ - unsigned short count; /* number of consecutive registers */ - unsigned short start; /* first register */ - unsigned short pad3; - } state; /* SAVAGE_CMD_STATE */ - struct { - unsigned char cmd; - unsigned char prim; /* primitive type */ - unsigned short skip; /* vertex format (skip flags) */ - unsigned short count; /* number of vertices */ - unsigned short start; /* first vertex in DMA/vertex buffer */ - } prim; /* SAVAGE_CMD_DMA_PRIM, SAVAGE_CMD_VB_PRIM */ - struct { - unsigned char cmd; - unsigned char prim; - unsigned short skip; - unsigned short count; /* number of indices that follow */ - unsigned short pad3; - } idx; /* SAVAGE_CMD_DMA_IDX, SAVAGE_CMD_VB_IDX */ - struct { - unsigned char cmd; - unsigned char pad0; - unsigned short pad1; - unsigned int flags; - } clear0; /* SAVAGE_CMD_CLEAR */ - struct { - unsigned int mask; - unsigned int value; - } clear1; /* SAVAGE_CMD_CLEAR data */ -}; - -#if defined(__cplusplus) -} -#endif - -#endif