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-rw-r--r--drivers/char/drm/radeon_cp.c1773
1 files changed, 0 insertions, 1773 deletions
diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
deleted file mode 100644
index e53158f0ecb..00000000000
--- a/drivers/char/drm/radeon_cp.c
+++ /dev/null
@@ -1,1773 +0,0 @@
-/* radeon_cp.c -- CP support for Radeon -*- linux-c -*- */
-/*
- * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
- * Copyright 2007 Advanced Micro Devices, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Kevin E. Martin <martin@valinux.com>
- * Gareth Hughes <gareth@valinux.com>
- */
-
-#include "drmP.h"
-#include "drm.h"
-#include "radeon_drm.h"
-#include "radeon_drv.h"
-#include "r300_reg.h"
-
-#include "radeon_microcode.h"
-
-#define RADEON_FIFO_DEBUG 0
-
-static int radeon_do_cleanup_cp(struct drm_device * dev);
-
-static u32 R500_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
-{
- u32 ret;
- RADEON_WRITE(R520_MC_IND_INDEX, 0x7f0000 | (addr & 0xff));
- ret = RADEON_READ(R520_MC_IND_DATA);
- RADEON_WRITE(R520_MC_IND_INDEX, 0);
- return ret;
-}
-
-static u32 RS480_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
-{
- u32 ret;
- RADEON_WRITE(RS480_NB_MC_INDEX, addr & 0xff);
- ret = RADEON_READ(RS480_NB_MC_DATA);
- RADEON_WRITE(RS480_NB_MC_INDEX, 0xff);
- return ret;
-}
-
-static u32 RS690_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
-{
- u32 ret;
- RADEON_WRITE(RS690_MC_INDEX, (addr & RS690_MC_INDEX_MASK));
- ret = RADEON_READ(RS690_MC_DATA);
- RADEON_WRITE(RS690_MC_INDEX, RS690_MC_INDEX_MASK);
- return ret;
-}
-
-static u32 IGP_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
-{
- if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
- return RS690_READ_MCIND(dev_priv, addr);
- else
- return RS480_READ_MCIND(dev_priv, addr);
-}
-
-u32 radeon_read_fb_location(drm_radeon_private_t *dev_priv)
-{
-
- if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
- return R500_READ_MCIND(dev_priv, RV515_MC_FB_LOCATION);
- else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
- return RS690_READ_MCIND(dev_priv, RS690_MC_FB_LOCATION);
- else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
- return R500_READ_MCIND(dev_priv, R520_MC_FB_LOCATION);
- else
- return RADEON_READ(RADEON_MC_FB_LOCATION);
-}
-
-static void radeon_write_fb_location(drm_radeon_private_t *dev_priv, u32 fb_loc)
-{
- if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
- R500_WRITE_MCIND(RV515_MC_FB_LOCATION, fb_loc);
- else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
- RS690_WRITE_MCIND(RS690_MC_FB_LOCATION, fb_loc);
- else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
- R500_WRITE_MCIND(R520_MC_FB_LOCATION, fb_loc);
- else
- RADEON_WRITE(RADEON_MC_FB_LOCATION, fb_loc);
-}
-
-static void radeon_write_agp_location(drm_radeon_private_t *dev_priv, u32 agp_loc)
-{
- if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
- R500_WRITE_MCIND(RV515_MC_AGP_LOCATION, agp_loc);
- else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
- RS690_WRITE_MCIND(RS690_MC_AGP_LOCATION, agp_loc);
- else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
- R500_WRITE_MCIND(R520_MC_AGP_LOCATION, agp_loc);
- else
- RADEON_WRITE(RADEON_MC_AGP_LOCATION, agp_loc);
-}
-
-static void radeon_write_agp_base(drm_radeon_private_t *dev_priv, u64 agp_base)
-{
- u32 agp_base_hi = upper_32_bits(agp_base);
- u32 agp_base_lo = agp_base & 0xffffffff;
-
- if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515) {
- R500_WRITE_MCIND(RV515_MC_AGP_BASE, agp_base_lo);
- R500_WRITE_MCIND(RV515_MC_AGP_BASE_2, agp_base_hi);
- } else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) {
- RS690_WRITE_MCIND(RS690_MC_AGP_BASE, agp_base_lo);
- RS690_WRITE_MCIND(RS690_MC_AGP_BASE_2, agp_base_hi);
- } else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) {
- R500_WRITE_MCIND(R520_MC_AGP_BASE, agp_base_lo);
- R500_WRITE_MCIND(R520_MC_AGP_BASE_2, agp_base_hi);
- } else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS480) {
- RADEON_WRITE(RADEON_AGP_BASE, agp_base_lo);
- RADEON_WRITE(RS480_AGP_BASE_2, 0);
- } else {
- RADEON_WRITE(RADEON_AGP_BASE, agp_base_lo);
- if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R200)
- RADEON_WRITE(RADEON_AGP_BASE_2, agp_base_hi);
- }
-}
-
-static int RADEON_READ_PLL(struct drm_device * dev, int addr)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
-
- RADEON_WRITE8(RADEON_CLOCK_CNTL_INDEX, addr & 0x1f);
- return RADEON_READ(RADEON_CLOCK_CNTL_DATA);
-}
-
-static u32 RADEON_READ_PCIE(drm_radeon_private_t *dev_priv, int addr)
-{
- RADEON_WRITE8(RADEON_PCIE_INDEX, addr & 0xff);
- return RADEON_READ(RADEON_PCIE_DATA);
-}
-
-#if RADEON_FIFO_DEBUG
-static void radeon_status(drm_radeon_private_t * dev_priv)
-{
- printk("%s:\n", __func__);
- printk("RBBM_STATUS = 0x%08x\n",
- (unsigned int)RADEON_READ(RADEON_RBBM_STATUS));
- printk("CP_RB_RTPR = 0x%08x\n",
- (unsigned int)RADEON_READ(RADEON_CP_RB_RPTR));
- printk("CP_RB_WTPR = 0x%08x\n",
- (unsigned int)RADEON_READ(RADEON_CP_RB_WPTR));
- printk("AIC_CNTL = 0x%08x\n",
- (unsigned int)RADEON_READ(RADEON_AIC_CNTL));
- printk("AIC_STAT = 0x%08x\n",
- (unsigned int)RADEON_READ(RADEON_AIC_STAT));
- printk("AIC_PT_BASE = 0x%08x\n",
- (unsigned int)RADEON_READ(RADEON_AIC_PT_BASE));
- printk("TLB_ADDR = 0x%08x\n",
- (unsigned int)RADEON_READ(RADEON_AIC_TLB_ADDR));
- printk("TLB_DATA = 0x%08x\n",
- (unsigned int)RADEON_READ(RADEON_AIC_TLB_DATA));
-}
-#endif
-
-/* ================================================================
- * Engine, FIFO control
- */
-
-static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
-{
- u32 tmp;
- int i;
-
- dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
-
- if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) {
- tmp = RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT);
- tmp |= RADEON_RB3D_DC_FLUSH_ALL;
- RADEON_WRITE(RADEON_RB3D_DSTCACHE_CTLSTAT, tmp);
-
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- if (!(RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT)
- & RADEON_RB3D_DC_BUSY)) {
- return 0;
- }
- DRM_UDELAY(1);
- }
- } else {
- /* 3D */
- tmp = RADEON_READ(R300_RB3D_DSTCACHE_CTLSTAT);
- tmp |= RADEON_RB3D_DC_FLUSH_ALL;
- RADEON_WRITE(R300_RB3D_DSTCACHE_CTLSTAT, tmp);
-
- /* 2D */
- tmp = RADEON_READ(R300_DSTCACHE_CTLSTAT);
- tmp |= RADEON_RB3D_DC_FLUSH_ALL;
- RADEON_WRITE(R300_DSTCACHE_CTLSTAT, tmp);
-
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- if (!(RADEON_READ(R300_DSTCACHE_CTLSTAT)
- & RADEON_RB3D_DC_BUSY)) {
- return 0;
- }
- DRM_UDELAY(1);
- }
- }
-
-#if RADEON_FIFO_DEBUG
- DRM_ERROR("failed!\n");
- radeon_status(dev_priv);
-#endif
- return -EBUSY;
-}
-
-static int radeon_do_wait_for_fifo(drm_radeon_private_t * dev_priv, int entries)
-{
- int i;
-
- dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
-
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- int slots = (RADEON_READ(RADEON_RBBM_STATUS)
- & RADEON_RBBM_FIFOCNT_MASK);
- if (slots >= entries)
- return 0;
- DRM_UDELAY(1);
- }
-
-#if RADEON_FIFO_DEBUG
- DRM_ERROR("failed!\n");
- radeon_status(dev_priv);
-#endif
- return -EBUSY;
-}
-
-static int radeon_do_wait_for_idle(drm_radeon_private_t * dev_priv)
-{
- int i, ret;
-
- dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
-
- ret = radeon_do_wait_for_fifo(dev_priv, 64);
- if (ret)
- return ret;
-
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- if (!(RADEON_READ(RADEON_RBBM_STATUS)
- & RADEON_RBBM_ACTIVE)) {
- radeon_do_pixcache_flush(dev_priv);
- return 0;
- }
- DRM_UDELAY(1);
- }
-
-#if RADEON_FIFO_DEBUG
- DRM_ERROR("failed!\n");
- radeon_status(dev_priv);
-#endif
- return -EBUSY;
-}
-
-static void radeon_init_pipes(drm_radeon_private_t *dev_priv)
-{
- uint32_t gb_tile_config, gb_pipe_sel = 0;
-
- /* RS4xx/RS6xx/R4xx/R5xx */
- if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R420) {
- gb_pipe_sel = RADEON_READ(R400_GB_PIPE_SELECT);
- dev_priv->num_gb_pipes = ((gb_pipe_sel >> 12) & 0x3) + 1;
- } else {
- /* R3xx */
- if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350)) {
- dev_priv->num_gb_pipes = 2;
- } else {
- /* R3Vxx */
- dev_priv->num_gb_pipes = 1;
- }
- }
- DRM_INFO("Num pipes: %d\n", dev_priv->num_gb_pipes);
-
- gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16 /*| R300_SUBPIXEL_1_16*/);
-
- switch (dev_priv->num_gb_pipes) {
- case 2: gb_tile_config |= R300_PIPE_COUNT_R300; break;
- case 3: gb_tile_config |= R300_PIPE_COUNT_R420_3P; break;
- case 4: gb_tile_config |= R300_PIPE_COUNT_R420; break;
- default:
- case 1: gb_tile_config |= R300_PIPE_COUNT_RV350; break;
- }
-
- if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV515) {
- RADEON_WRITE_PLL(R500_DYN_SCLK_PWMEM_PIPE, (1 | ((gb_pipe_sel >> 8) & 0xf) << 4));
- RADEON_WRITE(R500_SU_REG_DEST, ((1 << dev_priv->num_gb_pipes) - 1));
- }
- RADEON_WRITE(R300_GB_TILE_CONFIG, gb_tile_config);
- radeon_do_wait_for_idle(dev_priv);
- RADEON_WRITE(R300_DST_PIPE_CONFIG, RADEON_READ(R300_DST_PIPE_CONFIG) | R300_PIPE_AUTO_CONFIG);
- RADEON_WRITE(R300_RB2D_DSTCACHE_MODE, (RADEON_READ(R300_RB2D_DSTCACHE_MODE) |
- R300_DC_AUTOFLUSH_ENABLE |
- R300_DC_DC_DISABLE_IGNORE_PE));
-
-
-}
-
-/* ================================================================
- * CP control, initialization
- */
-
-/* Load the microcode for the CP */
-static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
-{
- int i;
- DRM_DEBUG("\n");
-
- radeon_do_wait_for_idle(dev_priv);
-
- RADEON_WRITE(RADEON_CP_ME_RAM_ADDR, 0);
- if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R100) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV100) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV200) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS100) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS200)) {
- DRM_INFO("Loading R100 Microcode\n");
- for (i = 0; i < 256; i++) {
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
- R100_cp_microcode[i][1]);
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
- R100_cp_microcode[i][0]);
- }
- } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R200) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV250) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV280) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS300)) {
- DRM_INFO("Loading R200 Microcode\n");
- for (i = 0; i < 256; i++) {
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
- R200_cp_microcode[i][1]);
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
- R200_cp_microcode[i][0]);
- }
- } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV350) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV380) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS480)) {
- DRM_INFO("Loading R300 Microcode\n");
- for (i = 0; i < 256; i++) {
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
- R300_cp_microcode[i][1]);
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
- R300_cp_microcode[i][0]);
- }
- } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R420) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV410)) {
- DRM_INFO("Loading R400 Microcode\n");
- for (i = 0; i < 256; i++) {
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
- R420_cp_microcode[i][1]);
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
- R420_cp_microcode[i][0]);
- }
- } else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) {
- DRM_INFO("Loading RS690 Microcode\n");
- for (i = 0; i < 256; i++) {
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
- RS690_cp_microcode[i][1]);
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
- RS690_cp_microcode[i][0]);
- }
- } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R520) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV530) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R580) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV560) ||
- ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV570)) {
- DRM_INFO("Loading R500 Microcode\n");
- for (i = 0; i < 256; i++) {
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
- R520_cp_microcode[i][1]);
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
- R520_cp_microcode[i][0]);
- }
- }
-}
-
-/* Flush any pending commands to the CP. This should only be used just
- * prior to a wait for idle, as it informs the engine that the command
- * stream is ending.
- */
-static void radeon_do_cp_flush(drm_radeon_private_t * dev_priv)
-{
- DRM_DEBUG("\n");
-#if 0
- u32 tmp;
-
- tmp = RADEON_READ(RADEON_CP_RB_WPTR) | (1 << 31);
- RADEON_WRITE(RADEON_CP_RB_WPTR, tmp);
-#endif
-}
-
-/* Wait for the CP to go idle.
- */
-int radeon_do_cp_idle(drm_radeon_private_t * dev_priv)
-{
- RING_LOCALS;
- DRM_DEBUG("\n");
-
- BEGIN_RING(6);
-
- RADEON_PURGE_CACHE();
- RADEON_PURGE_ZCACHE();
- RADEON_WAIT_UNTIL_IDLE();
-
- ADVANCE_RING();
- COMMIT_RING();
-
- return radeon_do_wait_for_idle(dev_priv);
-}
-
-/* Start the Command Processor.
- */
-static void radeon_do_cp_start(drm_radeon_private_t * dev_priv)
-{
- RING_LOCALS;
- DRM_DEBUG("\n");
-
- radeon_do_wait_for_idle(dev_priv);
-
- RADEON_WRITE(RADEON_CP_CSQ_CNTL, dev_priv->cp_mode);
-
- dev_priv->cp_running = 1;
-
- BEGIN_RING(6);
-
- RADEON_PURGE_CACHE();
- RADEON_PURGE_ZCACHE();
- RADEON_WAIT_UNTIL_IDLE();
-
- ADVANCE_RING();
- COMMIT_RING();
-}
-
-/* Reset the Command Processor. This will not flush any pending
- * commands, so you must wait for the CP command stream to complete
- * before calling this routine.
- */
-static void radeon_do_cp_reset(drm_radeon_private_t * dev_priv)
-{
- u32 cur_read_ptr;
- DRM_DEBUG("\n");
-
- cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
- RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
- SET_RING_HEAD(dev_priv, cur_read_ptr);
- dev_priv->ring.tail = cur_read_ptr;
-}
-
-/* Stop the Command Processor. This will not flush any pending
- * commands, so you must flush the command stream and wait for the CP
- * to go idle before calling this routine.
- */
-static void radeon_do_cp_stop(drm_radeon_private_t * dev_priv)
-{
- DRM_DEBUG("\n");
-
- RADEON_WRITE(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS);
-
- dev_priv->cp_running = 0;
-}
-
-/* Reset the engine. This will stop the CP if it is running.
- */
-static int radeon_do_engine_reset(struct drm_device * dev)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- u32 clock_cntl_index = 0, mclk_cntl = 0, rbbm_soft_reset;
- DRM_DEBUG("\n");
-
- radeon_do_pixcache_flush(dev_priv);
-
- if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV410) {
- /* may need something similar for newer chips */
- clock_cntl_index = RADEON_READ(RADEON_CLOCK_CNTL_INDEX);
- mclk_cntl = RADEON_READ_PLL(dev, RADEON_MCLK_CNTL);
-
- RADEON_WRITE_PLL(RADEON_MCLK_CNTL, (mclk_cntl |
- RADEON_FORCEON_MCLKA |
- RADEON_FORCEON_MCLKB |
- RADEON_FORCEON_YCLKA |
- RADEON_FORCEON_YCLKB |
- RADEON_FORCEON_MC |
- RADEON_FORCEON_AIC));
- }
-
- rbbm_soft_reset = RADEON_READ(RADEON_RBBM_SOFT_RESET);
-
- RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset |
- RADEON_SOFT_RESET_CP |
- RADEON_SOFT_RESET_HI |
- RADEON_SOFT_RESET_SE |
- RADEON_SOFT_RESET_RE |
- RADEON_SOFT_RESET_PP |
- RADEON_SOFT_RESET_E2 |
- RADEON_SOFT_RESET_RB));
- RADEON_READ(RADEON_RBBM_SOFT_RESET);
- RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset &
- ~(RADEON_SOFT_RESET_CP |
- RADEON_SOFT_RESET_HI |
- RADEON_SOFT_RESET_SE |
- RADEON_SOFT_RESET_RE |
- RADEON_SOFT_RESET_PP |
- RADEON_SOFT_RESET_E2 |
- RADEON_SOFT_RESET_RB)));
- RADEON_READ(RADEON_RBBM_SOFT_RESET);
-
- if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV410) {
- RADEON_WRITE_PLL(RADEON_MCLK_CNTL, mclk_cntl);
- RADEON_WRITE(RADEON_CLOCK_CNTL_INDEX, clock_cntl_index);
- RADEON_WRITE(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset);
- }
-
- /* setup the raster pipes */
- if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R300)
- radeon_init_pipes(dev_priv);
-
- /* Reset the CP ring */
- radeon_do_cp_reset(dev_priv);
-
- /* The CP is no longer running after an engine reset */
- dev_priv->cp_running = 0;
-
- /* Reset any pending vertex, indirect buffers */
- radeon_freelist_reset(dev);
-
- return 0;
-}
-
-static void radeon_cp_init_ring_buffer(struct drm_device * dev,
- drm_radeon_private_t * dev_priv)
-{
- u32 ring_start, cur_read_ptr;
- u32 tmp;
-
- /* Initialize the memory controller. With new memory map, the fb location
- * is not changed, it should have been properly initialized already. Part
- * of the problem is that the code below is bogus, assuming the GART is
- * always appended to the fb which is not necessarily the case
- */
- if (!dev_priv->new_memmap)
- radeon_write_fb_location(dev_priv,
- ((dev_priv->gart_vm_start - 1) & 0xffff0000)
- | (dev_priv->fb_location >> 16));
-
-#if __OS_HAS_AGP
- if (dev_priv->flags & RADEON_IS_AGP) {
- radeon_write_agp_base(dev_priv, dev->agp->base);
-
- radeon_write_agp_location(dev_priv,
- (((dev_priv->gart_vm_start - 1 +
- dev_priv->gart_size) & 0xffff0000) |
- (dev_priv->gart_vm_start >> 16)));
-
- ring_start = (dev_priv->cp_ring->offset
- - dev->agp->base
- + dev_priv->gart_vm_start);
- } else
-#endif
- ring_start = (dev_priv->cp_ring->offset
- - (unsigned long)dev->sg->virtual
- + dev_priv->gart_vm_start);
-
- RADEON_WRITE(RADEON_CP_RB_BASE, ring_start);
-
- /* Set the write pointer delay */
- RADEON_WRITE(RADEON_CP_RB_WPTR_DELAY, 0);
-
- /* Initialize the ring buffer's read and write pointers */
- cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
- RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
- SET_RING_HEAD(dev_priv, cur_read_ptr);
- dev_priv->ring.tail = cur_read_ptr;
-
-#if __OS_HAS_AGP
- if (dev_priv->flags & RADEON_IS_AGP) {
- RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR,
- dev_priv->ring_rptr->offset
- - dev->agp->base + dev_priv->gart_vm_start);
- } else
-#endif
- {
- struct drm_sg_mem *entry = dev->sg;
- unsigned long tmp_ofs, page_ofs;
-
- tmp_ofs = dev_priv->ring_rptr->offset -
- (unsigned long)dev->sg->virtual;
- page_ofs = tmp_ofs >> PAGE_SHIFT;
-
- RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR, entry->busaddr[page_ofs]);
- DRM_DEBUG("ring rptr: offset=0x%08lx handle=0x%08lx\n",
- (unsigned long)entry->busaddr[page_ofs],
- entry->handle + tmp_ofs);
- }
-
- /* Set ring buffer size */
-#ifdef __BIG_ENDIAN
- RADEON_WRITE(RADEON_CP_RB_CNTL,
- RADEON_BUF_SWAP_32BIT |
- (dev_priv->ring.fetch_size_l2ow << 18) |
- (dev_priv->ring.rptr_update_l2qw << 8) |
- dev_priv->ring.size_l2qw);
-#else
- RADEON_WRITE(RADEON_CP_RB_CNTL,
- (dev_priv->ring.fetch_size_l2ow << 18) |
- (dev_priv->ring.rptr_update_l2qw << 8) |
- dev_priv->ring.size_l2qw);
-#endif
-
- /* Start with assuming that writeback doesn't work */
- dev_priv->writeback_works = 0;
-
- /* Initialize the scratch register pointer. This will cause
- * the scratch register values to be written out to memory
- * whenever they are updated.
- *
- * We simply put this behind the ring read pointer, this works
- * with PCI GART as well as (whatever kind of) AGP GART
- */
- RADEON_WRITE(RADEON_SCRATCH_ADDR, RADEON_READ(RADEON_CP_RB_RPTR_ADDR)
- + RADEON_SCRATCH_REG_OFFSET);
-
- dev_priv->scratch = ((__volatile__ u32 *)
- dev_priv->ring_rptr->handle +
- (RADEON_SCRATCH_REG_OFFSET / sizeof(u32)));
-
- RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7);
-
- /* Turn on bus mastering */
- tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
- RADEON_WRITE(RADEON_BUS_CNTL, tmp);
-
- dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0;
- RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame);
-
- dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0;
- RADEON_WRITE(RADEON_LAST_DISPATCH_REG,
- dev_priv->sarea_priv->last_dispatch);
-
- dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0;
- RADEON_WRITE(RADEON_LAST_CLEAR_REG, dev_priv->sarea_priv->last_clear);
-
- radeon_do_wait_for_idle(dev_priv);
-
- /* Sync everything up */
- RADEON_WRITE(RADEON_ISYNC_CNTL,
- (RADEON_ISYNC_ANY2D_IDLE3D |
- RADEON_ISYNC_ANY3D_IDLE2D |
- RADEON_ISYNC_WAIT_IDLEGUI |
- RADEON_ISYNC_CPSCRATCH_IDLEGUI));
-
-}
-
-static void radeon_test_writeback(drm_radeon_private_t * dev_priv)
-{
- u32 tmp;
-
- /* Writeback doesn't seem to work everywhere, test it here and possibly
- * enable it if it appears to work
- */
- DRM_WRITE32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0);
- RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef);
-
- for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
- if (DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)) ==
- 0xdeadbeef)
- break;
- DRM_UDELAY(1);
- }
-
- if (tmp < dev_priv->usec_timeout) {
- dev_priv->writeback_works = 1;
- DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
- } else {
- dev_priv->writeback_works = 0;
- DRM_INFO("writeback test failed\n");
- }
- if (radeon_no_wb == 1) {
- dev_priv->writeback_works = 0;
- DRM_INFO("writeback forced off\n");
- }
-
- if (!dev_priv->writeback_works) {
- /* Disable writeback to avoid unnecessary bus master transfer */
- RADEON_WRITE(RADEON_CP_RB_CNTL, RADEON_READ(RADEON_CP_RB_CNTL) |
- RADEON_RB_NO_UPDATE);
- RADEON_WRITE(RADEON_SCRATCH_UMSK, 0);
- }
-}
-
-/* Enable or disable IGP GART on the chip */
-static void radeon_set_igpgart(drm_radeon_private_t * dev_priv, int on)
-{
- u32 temp;
-
- if (on) {
- DRM_DEBUG("programming igp gart %08X %08lX %08X\n",
- dev_priv->gart_vm_start,
- (long)dev_priv->gart_info.bus_addr,
- dev_priv->gart_size);
-
- temp = IGP_READ_MCIND(dev_priv, RS480_MC_MISC_CNTL);
- if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
- IGP_WRITE_MCIND(RS480_MC_MISC_CNTL, (RS480_GART_INDEX_REG_EN |
- RS690_BLOCK_GFX_D3_EN));
- else
- IGP_WRITE_MCIND(RS480_MC_MISC_CNTL, RS480_GART_INDEX_REG_EN);
-
- IGP_WRITE_MCIND(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN |
- RS480_VA_SIZE_32MB));
-
- temp = IGP_READ_MCIND(dev_priv, RS480_GART_FEATURE_ID);
- IGP_WRITE_MCIND(RS480_GART_FEATURE_ID, (RS480_HANG_EN |
- RS480_TLB_ENABLE |
- RS480_GTW_LAC_EN |
- RS480_1LEVEL_GART));
-
- temp = dev_priv->gart_info.bus_addr & 0xfffff000;
- temp |= (upper_32_bits(dev_priv->gart_info.bus_addr) & 0xff) << 4;
- IGP_WRITE_MCIND(RS480_GART_BASE, temp);
-
- temp = IGP_READ_MCIND(dev_priv, RS480_AGP_MODE_CNTL);
- IGP_WRITE_MCIND(RS480_AGP_MODE_CNTL, ((1 << RS480_REQ_TYPE_SNOOP_SHIFT) |
- RS480_REQ_TYPE_SNOOP_DIS));
-
- radeon_write_agp_base(dev_priv, dev_priv->gart_vm_start);
-
- dev_priv->gart_size = 32*1024*1024;
- temp = (((dev_priv->gart_vm_start - 1 + dev_priv->gart_size) &
- 0xffff0000) | (dev_priv->gart_vm_start >> 16));
-
- radeon_write_agp_location(dev_priv, temp);
-
- temp = IGP_READ_MCIND(dev_priv, RS480_AGP_ADDRESS_SPACE_SIZE);
- IGP_WRITE_MCIND(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN |
- RS480_VA_SIZE_32MB));
-
- do {
- temp = IGP_READ_MCIND(dev_priv, RS480_GART_CACHE_CNTRL);
- if ((temp & RS480_GART_CACHE_INVALIDATE) == 0)
- break;
- DRM_UDELAY(1);
- } while (1);
-
- IGP_WRITE_MCIND(RS480_GART_CACHE_CNTRL,
- RS480_GART_CACHE_INVALIDATE);
-
- do {
- temp = IGP_READ_MCIND(dev_priv, RS480_GART_CACHE_CNTRL);
- if ((temp & RS480_GART_CACHE_INVALIDATE) == 0)
- break;
- DRM_UDELAY(1);
- } while (1);
-
- IGP_WRITE_MCIND(RS480_GART_CACHE_CNTRL, 0);
- } else {
- IGP_WRITE_MCIND(RS480_AGP_ADDRESS_SPACE_SIZE, 0);
- }
-}
-
-static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on)
-{
- u32 tmp = RADEON_READ_PCIE(dev_priv, RADEON_PCIE_TX_GART_CNTL);
- if (on) {
-
- DRM_DEBUG("programming pcie %08X %08lX %08X\n",
- dev_priv->gart_vm_start,
- (long)dev_priv->gart_info.bus_addr,
- dev_priv->gart_size);
- RADEON_WRITE_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO,
- dev_priv->gart_vm_start);
- RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_BASE,
- dev_priv->gart_info.bus_addr);
- RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_START_LO,
- dev_priv->gart_vm_start);
- RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_END_LO,
- dev_priv->gart_vm_start +
- dev_priv->gart_size - 1);
-
- radeon_write_agp_location(dev_priv, 0xffffffc0); /* ?? */
-
- RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
- RADEON_PCIE_TX_GART_EN);
- } else {
- RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
- tmp & ~RADEON_PCIE_TX_GART_EN);
- }
-}
-
-/* Enable or disable PCI GART on the chip */
-static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
-{
- u32 tmp;
-
- if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
- (dev_priv->flags & RADEON_IS_IGPGART)) {
- radeon_set_igpgart(dev_priv, on);
- return;
- }
-
- if (dev_priv->flags & RADEON_IS_PCIE) {
- radeon_set_pciegart(dev_priv, on);
- return;
- }
-
- tmp = RADEON_READ(RADEON_AIC_CNTL);
-
- if (on) {
- RADEON_WRITE(RADEON_AIC_CNTL,
- tmp | RADEON_PCIGART_TRANSLATE_EN);
-
- /* set PCI GART page-table base address
- */
- RADEON_WRITE(RADEON_AIC_PT_BASE, dev_priv->gart_info.bus_addr);
-
- /* set address range for PCI address translate
- */
- RADEON_WRITE(RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start);
- RADEON_WRITE(RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start
- + dev_priv->gart_size - 1);
-
- /* Turn off AGP aperture -- is this required for PCI GART?
- */
- radeon_write_agp_location(dev_priv, 0xffffffc0);
- RADEON_WRITE(RADEON_AGP_COMMAND, 0); /* clear AGP_COMMAND */
- } else {
- RADEON_WRITE(RADEON_AIC_CNTL,
- tmp & ~RADEON_PCIGART_TRANSLATE_EN);
- }
-}
-
-static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
-
- DRM_DEBUG("\n");
-
- /* if we require new memory map but we don't have it fail */
- if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) {
- DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
- radeon_do_cleanup_cp(dev);
- return -EINVAL;
- }
-
- if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP)) {
- DRM_DEBUG("Forcing AGP card to PCI mode\n");
- dev_priv->flags &= ~RADEON_IS_AGP;
- } else if (!(dev_priv->flags & (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE))
- && !init->is_pci) {
- DRM_DEBUG("Restoring AGP flag\n");
- dev_priv->flags |= RADEON_IS_AGP;
- }
-
- if ((!(dev_priv->flags & RADEON_IS_AGP)) && !dev->sg) {
- DRM_ERROR("PCI GART memory not allocated!\n");
- radeon_do_cleanup_cp(dev);
- return -EINVAL;
- }
-
- dev_priv->usec_timeout = init->usec_timeout;
- if (dev_priv->usec_timeout < 1 ||
- dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
- DRM_DEBUG("TIMEOUT problem!\n");
- radeon_do_cleanup_cp(dev);
- return -EINVAL;
- }
-
- /* Enable vblank on CRTC1 for older X servers
- */
- dev_priv->vblank_crtc = DRM_RADEON_VBLANK_CRTC1;
-
- switch(init->func) {
- case RADEON_INIT_R200_CP:
- dev_priv->microcode_version = UCODE_R200;
- break;
- case RADEON_INIT_R300_CP:
- dev_priv->microcode_version = UCODE_R300;
- break;
- default:
- dev_priv->microcode_version = UCODE_R100;
- }
-
- dev_priv->do_boxes = 0;
- dev_priv->cp_mode = init->cp_mode;
-
- /* We don't support anything other than bus-mastering ring mode,
- * but the ring can be in either AGP or PCI space for the ring
- * read pointer.
- */
- if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
- (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
- DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
- radeon_do_cleanup_cp(dev);
- return -EINVAL;
- }
-
- switch (init->fb_bpp) {
- case 16:
- dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
- break;
- case 32:
- default:
- dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
- break;
- }
- dev_priv->front_offset = init->front_offset;
- dev_priv->front_pitch = init->front_pitch;
- dev_priv->back_offset = init->back_offset;
- dev_priv->back_pitch = init->back_pitch;
-
- switch (init->depth_bpp) {
- case 16:
- dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z;
- break;
- case 32:
- default:
- dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z;
- break;
- }
- dev_priv->depth_offset = init->depth_offset;
- dev_priv->depth_pitch = init->depth_pitch;
-
- /* Hardware state for depth clears. Remove this if/when we no
- * longer clear the depth buffer with a 3D rectangle. Hard-code
- * all values to prevent unwanted 3D state from slipping through
- * and screwing with the clear operation.
- */
- dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE |
- (dev_priv->color_fmt << 10) |
- (dev_priv->microcode_version ==
- UCODE_R100 ? RADEON_ZBLOCK16 : 0));
-
- dev_priv->depth_clear.rb3d_zstencilcntl =
- (dev_priv->depth_fmt |
- RADEON_Z_TEST_ALWAYS |
- RADEON_STENCIL_TEST_ALWAYS |
- RADEON_STENCIL_S_FAIL_REPLACE |
- RADEON_STENCIL_ZPASS_REPLACE |
- RADEON_STENCIL_ZFAIL_REPLACE | RADEON_Z_WRITE_ENABLE);
-
- dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW |
- RADEON_BFACE_SOLID |
- RADEON_FFACE_SOLID |
- RADEON_FLAT_SHADE_VTX_LAST |
- RADEON_DIFFUSE_SHADE_FLAT |
- RADEON_ALPHA_SHADE_FLAT |
- RADEON_SPECULAR_SHADE_FLAT |
- RADEON_FOG_SHADE_FLAT |
- RADEON_VTX_PIX_CENTER_OGL |
- RADEON_ROUND_MODE_TRUNC |
- RADEON_ROUND_PREC_8TH_PIX);
-
-
- dev_priv->ring_offset = init->ring_offset;
- dev_priv->ring_rptr_offset = init->ring_rptr_offset;
- dev_priv->buffers_offset = init->buffers_offset;
- dev_priv->gart_textures_offset = init->gart_textures_offset;
-
- dev_priv->sarea = drm_getsarea(dev);
- if (!dev_priv->sarea) {
- DRM_ERROR("could not find sarea!\n");
- radeon_do_cleanup_cp(dev);
- return -EINVAL;
- }
-
- dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
- if (!dev_priv->cp_ring) {
- DRM_ERROR("could not find cp ring region!\n");
- radeon_do_cleanup_cp(dev);
- return -EINVAL;
- }
- dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
- if (!dev_priv->ring_rptr) {
- DRM_ERROR("could not find ring read pointer!\n");
- radeon_do_cleanup_cp(dev);
- return -EINVAL;
- }
- dev->agp_buffer_token = init->buffers_offset;
- dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
- if (!dev->agp_buffer_map) {
- DRM_ERROR("could not find dma buffer region!\n");
- radeon_do_cleanup_cp(dev);
- return -EINVAL;
- }
-
- if (init->gart_textures_offset) {
- dev_priv->gart_textures =
- drm_core_findmap(dev, init->gart_textures_offset);
- if (!dev_priv->gart_textures) {
- DRM_ERROR("could not find GART texture region!\n");
- radeon_do_cleanup_cp(dev);
- return -EINVAL;
- }
- }
-
- dev_priv->sarea_priv =
- (drm_radeon_sarea_t *) ((u8 *) dev_priv->sarea->handle +
- init->sarea_priv_offset);
-
-#if __OS_HAS_AGP
- if (dev_priv->flags & RADEON_IS_AGP) {
- drm_core_ioremap(dev_priv->cp_ring, dev);
- drm_core_ioremap(dev_priv->ring_rptr, dev);
- drm_core_ioremap(dev->agp_buffer_map, dev);
- if (!dev_priv->cp_ring->handle ||
- !dev_priv->ring_rptr->handle ||
- !dev->agp_buffer_map->handle) {
- DRM_ERROR("could not find ioremap agp regions!\n");
- radeon_do_cleanup_cp(dev);
- return -EINVAL;
- }
- } else
-#endif
- {
- dev_priv->cp_ring->handle = (void *)dev_priv->cp_ring->offset;
- dev_priv->ring_rptr->handle =
- (void *)dev_priv->ring_rptr->offset;
- dev->agp_buffer_map->handle =
- (void *)dev->agp_buffer_map->offset;
-
- DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
- dev_priv->cp_ring->handle);
- DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
- dev_priv->ring_rptr->handle);
- DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
- dev->agp_buffer_map->handle);
- }
-
- dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 16;
- dev_priv->fb_size =
- ((radeon_read_fb_location(dev_priv) & 0xffff0000u) + 0x10000)
- - dev_priv->fb_location;
-
- dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
- ((dev_priv->front_offset
- + dev_priv->fb_location) >> 10));
-
- dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
- ((dev_priv->back_offset
- + dev_priv->fb_location) >> 10));
-
- dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
- ((dev_priv->depth_offset
- + dev_priv->fb_location) >> 10));
-
- dev_priv->gart_size = init->gart_size;
-
- /* New let's set the memory map ... */
- if (dev_priv->new_memmap) {
- u32 base = 0;
-
- DRM_INFO("Setting GART location based on new memory map\n");
-
- /* If using AGP, try to locate the AGP aperture at the same
- * location in the card and on the bus, though we have to
- * align it down.
- */
-#if __OS_HAS_AGP
- if (dev_priv->flags & RADEON_IS_AGP) {
- base = dev->agp->base;
- /* Check if valid */
- if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location &&
- base < (dev_priv->fb_location + dev_priv->fb_size - 1)) {
- DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
- dev->agp->base);
- base = 0;
- }
- }
-#endif
- /* If not or if AGP is at 0 (Macs), try to put it elsewhere */
- if (base == 0) {
- base = dev_priv->fb_location + dev_priv->fb_size;
- if (base < dev_priv->fb_location ||
- ((base + dev_priv->gart_size) & 0xfffffffful) < base)
- base = dev_priv->fb_location
- - dev_priv->gart_size;
- }
- dev_priv->gart_vm_start = base & 0xffc00000u;
- if (dev_priv->gart_vm_start != base)
- DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
- base, dev_priv->gart_vm_start);
- } else {
- DRM_INFO("Setting GART location based on old memory map\n");
- dev_priv->gart_vm_start = dev_priv->fb_location +
- RADEON_READ(RADEON_CONFIG_APER_SIZE);
- }
-
-#if __OS_HAS_AGP
- if (dev_priv->flags & RADEON_IS_AGP)
- dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
- - dev->agp->base
- + dev_priv->gart_vm_start);
- else
-#endif
- dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
- - (unsigned long)dev->sg->virtual
- + dev_priv->gart_vm_start);
-
- DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
- DRM_DEBUG("dev_priv->gart_vm_start 0x%x\n", dev_priv->gart_vm_start);
- DRM_DEBUG("dev_priv->gart_buffers_offset 0x%lx\n",
- dev_priv->gart_buffers_offset);
-
- dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
- dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
- + init->ring_size / sizeof(u32));
- dev_priv->ring.size = init->ring_size;
- dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
-
- dev_priv->ring.rptr_update = /* init->rptr_update */ 4096;
- dev_priv->ring.rptr_update_l2qw = drm_order( /* init->rptr_update */ 4096 / 8);
-
- dev_priv->ring.fetch_size = /* init->fetch_size */ 32;
- dev_priv->ring.fetch_size_l2ow = drm_order( /* init->fetch_size */ 32 / 16);
- dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
-
- dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
-
-#if __OS_HAS_AGP
- if (dev_priv->flags & RADEON_IS_AGP) {
- /* Turn off PCI GART */
- radeon_set_pcigart(dev_priv, 0);
- } else
-#endif
- {
- dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
- /* if we have an offset set from userspace */
- if (dev_priv->pcigart_offset_set) {
- dev_priv->gart_info.bus_addr =
- dev_priv->pcigart_offset + dev_priv->fb_location;
- dev_priv->gart_info.mapping.offset =
- dev_priv->pcigart_offset + dev_priv->fb_aper_offset;
- dev_priv->gart_info.mapping.size =
- dev_priv->gart_info.table_size;
-
- drm_core_ioremap(&dev_priv->gart_info.mapping, dev);
- dev_priv->gart_info.addr =
- dev_priv->gart_info.mapping.handle;
-
- if (dev_priv->flags & RADEON_IS_PCIE)
- dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCIE;
- else
- dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCI;
- dev_priv->gart_info.gart_table_location =
- DRM_ATI_GART_FB;
-
- DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
- dev_priv->gart_info.addr,
- dev_priv->pcigart_offset);
- } else {
- if (dev_priv->flags & RADEON_IS_IGPGART)
- dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_IGP;
- else
- dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCI;
- dev_priv->gart_info.gart_table_location =
- DRM_ATI_GART_MAIN;
- dev_priv->gart_info.addr = NULL;
- dev_priv->gart_info.bus_addr = 0;
- if (dev_priv->flags & RADEON_IS_PCIE) {
- DRM_ERROR
- ("Cannot use PCI Express without GART in FB memory\n");
- radeon_do_cleanup_cp(dev);
- return -EINVAL;
- }
- }
-
- if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) {
- DRM_ERROR("failed to init PCI GART!\n");
- radeon_do_cleanup_cp(dev);
- return -ENOMEM;
- }
-
- /* Turn on PCI GART */
- radeon_set_pcigart(dev_priv, 1);
- }
-
- radeon_cp_load_microcode(dev_priv);
- radeon_cp_init_ring_buffer(dev, dev_priv);
-
- dev_priv->last_buf = 0;
-
- radeon_do_engine_reset(dev);
- radeon_test_writeback(dev_priv);
-
- return 0;
-}
-
-static int radeon_do_cleanup_cp(struct drm_device * dev)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG("\n");
-
- /* Make sure interrupts are disabled here because the uninstall ioctl
- * may not have been called from userspace and after dev_private
- * is freed, it's too late.
- */
- if (dev->irq_enabled)
- drm_irq_uninstall(dev);
-
-#if __OS_HAS_AGP
- if (dev_priv->flags & RADEON_IS_AGP) {
- if (dev_priv->cp_ring != NULL) {
- drm_core_ioremapfree(dev_priv->cp_ring, dev);
- dev_priv->cp_ring = NULL;
- }
- if (dev_priv->ring_rptr != NULL) {
- drm_core_ioremapfree(dev_priv->ring_rptr, dev);
- dev_priv->ring_rptr = NULL;
- }
- if (dev->agp_buffer_map != NULL) {
- drm_core_ioremapfree(dev->agp_buffer_map, dev);
- dev->agp_buffer_map = NULL;
- }
- } else
-#endif
- {
-
- if (dev_priv->gart_info.bus_addr) {
- /* Turn off PCI GART */
- radeon_set_pcigart(dev_priv, 0);
- if (!drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info))
- DRM_ERROR("failed to cleanup PCI GART!\n");
- }
-
- if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB)
- {
- drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
- dev_priv->gart_info.addr = 0;
- }
- }
- /* only clear to the start of flags */
- memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
-
- return 0;
-}
-
-/* This code will reinit the Radeon CP hardware after a resume from disc.
- * AFAIK, it would be very difficult to pickle the state at suspend time, so
- * here we make sure that all Radeon hardware initialisation is re-done without
- * affecting running applications.
- *
- * Charl P. Botha <http://cpbotha.net>
- */
-static int radeon_do_resume_cp(struct drm_device * dev)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
-
- if (!dev_priv) {
- DRM_ERROR("Called with no initialization\n");
- return -EINVAL;
- }
-
- DRM_DEBUG("Starting radeon_do_resume_cp()\n");
-
-#if __OS_HAS_AGP
- if (dev_priv->flags & RADEON_IS_AGP) {
- /* Turn off PCI GART */
- radeon_set_pcigart(dev_priv, 0);
- } else
-#endif
- {
- /* Turn on PCI GART */
- radeon_set_pcigart(dev_priv, 1);
- }
-
- radeon_cp_load_microcode(dev_priv);
- radeon_cp_init_ring_buffer(dev, dev_priv);
-
- radeon_do_engine_reset(dev);
- radeon_enable_interrupt(dev);
-
- DRM_DEBUG("radeon_do_resume_cp() complete\n");
-
- return 0;
-}
-
-int radeon_cp_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- drm_radeon_init_t *init = data;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- if (init->func == RADEON_INIT_R300_CP)
- r300_init_reg_flags(dev);
-
- switch (init->func) {
- case RADEON_INIT_CP:
- case RADEON_INIT_R200_CP:
- case RADEON_INIT_R300_CP:
- return radeon_do_init_cp(dev, init);
- case RADEON_CLEANUP_CP:
- return radeon_do_cleanup_cp(dev);
- }
-
- return -EINVAL;
-}
-
-int radeon_cp_start(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG("\n");
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- if (dev_priv->cp_running) {
- DRM_DEBUG("while CP running\n");
- return 0;
- }
- if (dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS) {
- DRM_DEBUG("called with bogus CP mode (%d)\n",
- dev_priv->cp_mode);
- return 0;
- }
-
- radeon_do_cp_start(dev_priv);
-
- return 0;
-}
-
-/* Stop the CP. The engine must have been idled before calling this
- * routine.
- */
-int radeon_cp_stop(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_cp_stop_t *stop = data;
- int ret;
- DRM_DEBUG("\n");
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- if (!dev_priv->cp_running)
- return 0;
-
- /* Flush any pending CP commands. This ensures any outstanding
- * commands are exectuted by the engine before we turn it off.
- */
- if (stop->flush) {
- radeon_do_cp_flush(dev_priv);
- }
-
- /* If we fail to make the engine go idle, we return an error
- * code so that the DRM ioctl wrapper can try again.
- */
- if (stop->idle) {
- ret = radeon_do_cp_idle(dev_priv);
- if (ret)
- return ret;
- }
-
- /* Finally, we can turn off the CP. If the engine isn't idle,
- * we will get some dropped triangles as they won't be fully
- * rendered before the CP is shut down.
- */
- radeon_do_cp_stop(dev_priv);
-
- /* Reset the engine */
- radeon_do_engine_reset(dev);
-
- return 0;
-}
-
-void radeon_do_release(struct drm_device * dev)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- int i, ret;
-
- if (dev_priv) {
- if (dev_priv->cp_running) {
- /* Stop the cp */
- while ((ret = radeon_do_cp_idle(dev_priv)) != 0) {
- DRM_DEBUG("radeon_do_cp_idle %d\n", ret);
-#ifdef __linux__
- schedule();
-#else
- tsleep(&ret, PZERO, "rdnrel", 1);
-#endif
- }
- radeon_do_cp_stop(dev_priv);
- radeon_do_engine_reset(dev);
- }
-
- /* Disable *all* interrupts */
- if (dev_priv->mmio) /* remove this after permanent addmaps */
- RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
-
- if (dev_priv->mmio) { /* remove all surfaces */
- for (i = 0; i < RADEON_MAX_SURFACES; i++) {
- RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * i, 0);
- RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND +
- 16 * i, 0);
- RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND +
- 16 * i, 0);
- }
- }
-
- /* Free memory heap structures */
- radeon_mem_takedown(&(dev_priv->gart_heap));
- radeon_mem_takedown(&(dev_priv->fb_heap));
-
- /* deallocate kernel resources */
- radeon_do_cleanup_cp(dev);
- }
-}
-
-/* Just reset the CP ring. Called as part of an X Server engine reset.
- */
-int radeon_cp_reset(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG("\n");
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- if (!dev_priv) {
- DRM_DEBUG("called before init done\n");
- return -EINVAL;
- }
-
- radeon_do_cp_reset(dev_priv);
-
- /* The CP is no longer running after an engine reset */
- dev_priv->cp_running = 0;
-
- return 0;
-}
-
-int radeon_cp_idle(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG("\n");
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- return radeon_do_cp_idle(dev_priv);
-}
-
-/* Added by Charl P. Botha to call radeon_do_resume_cp().
- */
-int radeon_cp_resume(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-
- return radeon_do_resume_cp(dev);
-}
-
-int radeon_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- DRM_DEBUG("\n");
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- return radeon_do_engine_reset(dev);
-}
-
-/* ================================================================
- * Fullscreen mode
- */
-
-/* KW: Deprecated to say the least:
- */
-int radeon_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- return 0;
-}
-
-/* ================================================================
- * Freelist management
- */
-
-/* Original comment: FIXME: ROTATE_BUFS is a hack to cycle through
- * bufs until freelist code is used. Note this hides a problem with
- * the scratch register * (used to keep track of last buffer
- * completed) being written to before * the last buffer has actually
- * completed rendering.
- *
- * KW: It's also a good way to find free buffers quickly.
- *
- * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't
- * sleep. However, bugs in older versions of radeon_accel.c mean that
- * we essentially have to do this, else old clients will break.
- *
- * However, it does leave open a potential deadlock where all the
- * buffers are held by other clients, which can't release them because
- * they can't get the lock.
- */
-
-struct drm_buf *radeon_freelist_get(struct drm_device * dev)
-{
- struct drm_device_dma *dma = dev->dma;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_buf_priv_t *buf_priv;
- struct drm_buf *buf;
- int i, t;
- int start;
-
- if (++dev_priv->last_buf >= dma->buf_count)
- dev_priv->last_buf = 0;
-
- start = dev_priv->last_buf;
-
- for (t = 0; t < dev_priv->usec_timeout; t++) {
- u32 done_age = GET_SCRATCH(1);
- DRM_DEBUG("done_age = %d\n", done_age);
- for (i = start; i < dma->buf_count; i++) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
- if (buf->file_priv == NULL || (buf->pending &&
- buf_priv->age <=
- done_age)) {
- dev_priv->stats.requested_bufs++;
- buf->pending = 0;
- return buf;
- }
- start = 0;
- }
-
- if (t) {
- DRM_UDELAY(1);
- dev_priv->stats.freelist_loops++;
- }
- }
-
- DRM_DEBUG("returning NULL!\n");
- return NULL;
-}
-
-#if 0
-struct drm_buf *radeon_freelist_get(struct drm_device * dev)
-{
- struct drm_device_dma *dma = dev->dma;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_buf_priv_t *buf_priv;
- struct drm_buf *buf;
- int i, t;
- int start;
- u32 done_age = DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1));
-
- if (++dev_priv->last_buf >= dma->buf_count)
- dev_priv->last_buf = 0;
-
- start = dev_priv->last_buf;
- dev_priv->stats.freelist_loops++;
-
- for (t = 0; t < 2; t++) {
- for (i = start; i < dma->buf_count; i++) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
- if (buf->file_priv == 0 || (buf->pending &&
- buf_priv->age <=
- done_age)) {
- dev_priv->stats.requested_bufs++;
- buf->pending = 0;
- return buf;
- }
- }
- start = 0;
- }
-
- return NULL;
-}
-#endif
-
-void radeon_freelist_reset(struct drm_device * dev)
-{
- struct drm_device_dma *dma = dev->dma;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- int i;
-
- dev_priv->last_buf = 0;
- for (i = 0; i < dma->buf_count; i++) {
- struct drm_buf *buf = dma->buflist[i];
- drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
- buf_priv->age = 0;
- }
-}
-
-/* ================================================================
- * CP command submission
- */
-
-int radeon_wait_ring(drm_radeon_private_t * dev_priv, int n)
-{
- drm_radeon_ring_buffer_t *ring = &dev_priv->ring;
- int i;
- u32 last_head = GET_RING_HEAD(dev_priv);
-
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- u32 head = GET_RING_HEAD(dev_priv);
-
- ring->space = (head - ring->tail) * sizeof(u32);
- if (ring->space <= 0)
- ring->space += ring->size;
- if (ring->space > n)
- return 0;
-
- dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
-
- if (head != last_head)
- i = 0;
- last_head = head;
-
- DRM_UDELAY(1);
- }
-
- /* FIXME: This return value is ignored in the BEGIN_RING macro! */
-#if RADEON_FIFO_DEBUG
- radeon_status(dev_priv);
- DRM_ERROR("failed!\n");
-#endif
- return -EBUSY;
-}
-
-static int radeon_cp_get_buffers(struct drm_device *dev,
- struct drm_file *file_priv,
- struct drm_dma * d)
-{
- int i;
- struct drm_buf *buf;
-
- for (i = d->granted_count; i < d->request_count; i++) {
- buf = radeon_freelist_get(dev);
- if (!buf)
- return -EBUSY; /* NOTE: broken client */
-
- buf->file_priv = file_priv;
-
- if (DRM_COPY_TO_USER(&d->request_indices[i], &buf->idx,
- sizeof(buf->idx)))
- return -EFAULT;
- if (DRM_COPY_TO_USER(&d->request_sizes[i], &buf->total,
- sizeof(buf->total)))
- return -EFAULT;
-
- d->granted_count++;
- }
- return 0;
-}
-
-int radeon_cp_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
- struct drm_device_dma *dma = dev->dma;
- int ret = 0;
- struct drm_dma *d = data;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- /* Please don't send us buffers.
- */
- if (d->send_count != 0) {
- DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
- DRM_CURRENTPID, 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",
- DRM_CURRENTPID, d->request_count, dma->buf_count);
- return -EINVAL;
- }
-
- d->granted_count = 0;
-
- if (d->request_count) {
- ret = radeon_cp_get_buffers(dev, file_priv, d);
- }
-
- return ret;
-}
-
-int radeon_driver_load(struct drm_device *dev, unsigned long flags)
-{
- drm_radeon_private_t *dev_priv;
- int ret = 0;
-
- dev_priv = drm_alloc(sizeof(drm_radeon_private_t), DRM_MEM_DRIVER);
- if (dev_priv == NULL)
- return -ENOMEM;
-
- memset(dev_priv, 0, sizeof(drm_radeon_private_t));
- dev->dev_private = (void *)dev_priv;
- dev_priv->flags = flags;
-
- switch (flags & RADEON_FAMILY_MASK) {
- case CHIP_R100:
- case CHIP_RV200:
- case CHIP_R200:
- case CHIP_R300:
- case CHIP_R350:
- case CHIP_R420:
- case CHIP_RV410:
- case CHIP_RV515:
- case CHIP_R520:
- case CHIP_RV570:
- case CHIP_R580:
- dev_priv->flags |= RADEON_HAS_HIERZ;
- break;
- default:
- /* all other chips have no hierarchical z buffer */
- break;
- }
-
- if (drm_device_is_agp(dev))
- dev_priv->flags |= RADEON_IS_AGP;
- else if (drm_device_is_pcie(dev))
- dev_priv->flags |= RADEON_IS_PCIE;
- else
- dev_priv->flags |= RADEON_IS_PCI;
-
- DRM_DEBUG("%s card detected\n",
- ((dev_priv->flags & RADEON_IS_AGP) ? "AGP" : (((dev_priv->flags & RADEON_IS_PCIE) ? "PCIE" : "PCI"))));
- return ret;
-}
-
-/* Create mappings for registers and framebuffer so userland doesn't necessarily
- * have to find them.
- */
-int radeon_driver_firstopen(struct drm_device *dev)
-{
- int ret;
- drm_local_map_t *map;
- drm_radeon_private_t *dev_priv = dev->dev_private;
-
- dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
-
- ret = drm_addmap(dev, drm_get_resource_start(dev, 2),
- drm_get_resource_len(dev, 2), _DRM_REGISTERS,
- _DRM_READ_ONLY, &dev_priv->mmio);
- if (ret != 0)
- return ret;
-
- dev_priv->fb_aper_offset = drm_get_resource_start(dev, 0);
- ret = drm_addmap(dev, dev_priv->fb_aper_offset,
- drm_get_resource_len(dev, 0), _DRM_FRAME_BUFFER,
- _DRM_WRITE_COMBINING, &map);
- if (ret != 0)
- return ret;
-
- return 0;
-}
-
-int radeon_driver_unload(struct drm_device *dev)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
-
- DRM_DEBUG("\n");
- drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
-
- dev->dev_private = NULL;
- return 0;
-}