renesas/drm.git - libdrm, cloned from git://anongit.freedesktop.org/mesa/drm

diff options

author	Dave Airlie <airlied@redhat.com>	2007-11-26 14:05:49 +1100
committer	Dave Airlie <airlied@redhat.com>	2007-11-26 14:05:49 +1100
commit	53b4e0cb789151164a0a43b55058319667847aaf (patch)
tree	b2e3e1cdce58d1897085e26f09e16058bcedaa66 /linux-core/savage_drv.h
parent	a20587e3950f849deb1e723a0b4455a19f7b3fb8 (diff)

drm: make fb modes use usermode add/remove interface

this stops usermode from getting a mode in the crtc it can't make sense off.

Diffstat (limited to 'linux-core/savage_drv.h')

0 files changed, 0 insertions, 0 deletions

/* 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 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", __FUNCTION__); 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(RADEON_RB2D_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_RB2D_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(RADEON_AGP_BASE, (unsigned int)dev->agp->base); if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R200) RADEON_WRITE(RADEON_AGP_BASE_2, 0); 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 transfers */ 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)); if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) { IGP_WRITE_MCIND(RS690_MC_AGP_BASE, (unsigned int)dev_priv->gart_vm_start); IGP_WRITE_MCIND(RS690_MC_AGP_BASE_2, 0); } else { RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev_priv->gart_vm_start); RADEON_WRITE(RS480_AGP_BASE_2, 0); } 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); 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 #if defined(__FreeBSD__) && __FreeBSD_version > 500000 mtx_sleep(&ret, &dev->dev_lock, PZERO, "rdnrel", 1); #else tsleep(&ret, PZERO, "rdnrel", 1); #endif #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++) {


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