diff options
Diffstat (limited to 'drivers/char/drm/radeon_cp.c')
| -rw-r--r-- | drivers/char/drm/radeon_cp.c | 1773 |
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 e53158f0ecb5..000000000000 --- 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; -} |
