/* r128_drv.h -- Private header for r128 driver -*- linux-c -*- * Created: Mon Dec 13 09:51:11 1999 by faith@precisioninsight.com */ /* * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> * Kevin E. Martin <martin@valinux.com> * Gareth Hughes <gareth@valinux.com> * Michel D�zer <daenzerm@student.ethz.ch> */ #ifndef __R128_DRV_H__ #define __R128_DRV_H__ /* General customization: */ #define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." #define DRIVER_NAME "r128" #define DRIVER_DESC "ATI Rage 128" #define DRIVER_DATE "20030725" /* Interface history: * * ?? - ?? * 2.4 - Add support for ycbcr textures (no new ioctls) * 2.5 - Add FLIP ioctl, disable FULLSCREEN. */ #define DRIVER_MAJOR 2 #define DRIVER_MINOR 5 #define DRIVER_PATCHLEVEL 0 #define GET_RING_HEAD(dev_priv) R128_READ( R128_PM4_BUFFER_DL_RPTR ) typedef struct drm_r128_freelist { unsigned int age; struct drm_buf *buf; struct drm_r128_freelist *next; struct drm_r128_freelist *prev; } drm_r128_freelist_t; typedef struct drm_r128_ring_buffer { u32 *start; u32 *end; int size; int size_l2qw; u32 tail; u32 tail_mask; int space; int high_mark; } drm_r128_ring_buffer_t; typedef struct drm_r128_private { struct device dev; struct device *drmdev; pci_chipset_tag_t pc; pci_intr_handle_t ih; void *irqh; struct vga_pci_bar *regs; drm_r128_ring_buffer_t ring; drm_r128_sarea_t *sarea_priv; int cce_mode; int cce_fifo_size; int cce_running; drm_r128_freelist_t *head; drm_r128_freelist_t *tail; int usec_timeout; int is_pci; unsigned long cce_buffers_offset; atomic_t idle_count; int page_flipping; int current_page; u32 crtc_offset; u32 crtc_offset_cntl; atomic_t vbl_received; u32 color_fmt; unsigned int front_offset; unsigned int front_pitch; unsigned int back_offset; unsigned int back_pitch; u32 depth_fmt; unsigned int depth_offset; unsigned int depth_pitch; unsigned int span_offset; u32 front_pitch_offset_c; u32 back_pitch_offset_c; u32 depth_pitch_offset_c; u32 span_pitch_offset_c; drm_local_map_t *sarea; drm_local_map_t *cce_ring; drm_local_map_t *ring_rptr; drm_local_map_t *agp_textures; struct drm_ati_pcigart_info gart_info; } drm_r128_private_t; typedef struct drm_r128_buf_priv { u32 age; int prim; int discard; int dispatched; drm_r128_freelist_t *list_entry; } drm_r128_buf_priv_t; /* r128_cce.c */ extern int r128_cce_init(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_start(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_stop(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_reset(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_idle(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_swap(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_flip(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_clear(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_indices(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_blit(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_cce_indirect(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int r128_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv); extern void r128_freelist_reset(struct drm_device * dev); extern int r128_wait_ring(drm_r128_private_t * dev_priv, int n); extern int r128_do_cce_idle(drm_r128_private_t * dev_priv); extern int r128_do_cleanup_cce(struct drm_device * dev); extern int r128_enable_vblank(struct drm_device *dev, int crtc); extern void r128_disable_vblank(struct drm_device *dev, int crtc); extern u32 r128_get_vblank_counter(struct drm_device *dev, int crtc); extern irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS); extern int r128_driver_irq_install(struct drm_device * dev); extern void r128_driver_irq_uninstall(struct drm_device * dev); extern void r128_driver_lastclose(struct drm_device * dev); extern void r128_driver_close(struct drm_device * dev, struct drm_file *file_priv); extern long r128_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); /* Register definitions, register access macros and drmAddMap constants * for Rage 128 kernel driver. */ #define R128_AUX_SC_CNTL 0x1660 # define R128_AUX1_SC_EN (1 << 0) # define R128_AUX1_SC_MODE_OR (0 << 1) # define R128_AUX1_SC_MODE_NAND (1 << 1) # define R128_AUX2_SC_EN (1 << 2) # define R128_AUX2_SC_MODE_OR (0 << 3) # define R128_AUX2_SC_MODE_NAND (1 << 3) # define R128_AUX3_SC_EN (1 << 4) # define R128_AUX3_SC_MODE_OR (0 << 5) # define R128_AUX3_SC_MODE_NAND (1 << 5) #define R128_AUX1_SC_LEFT 0x1664 #define R128_AUX1_SC_RIGHT 0x1668 #define R128_AUX1_SC_TOP 0x166c #define R128_AUX1_SC_BOTTOM 0x1670 #define R128_AUX2_SC_LEFT 0x1674 #define R128_AUX2_SC_RIGHT 0x1678 #define R128_AUX2_SC_TOP 0x167c #define R128_AUX2_SC_BOTTOM 0x1680 #define R128_AUX3_SC_LEFT 0x1684 #define R128_AUX3_SC_RIGHT 0x1688 #define R128_AUX3_SC_TOP 0x168c #define R128_AUX3_SC_BOTTOM 0x1690 #define R128_BRUSH_DATA0 0x1480 #define R128_BUS_CNTL 0x0030 # define R128_BUS_MASTER_DIS (1 << 6) #define R128_CLOCK_CNTL_INDEX 0x0008 #define R128_CLOCK_CNTL_DATA 0x000c # define R128_PLL_WR_EN (1 << 7) #define R128_CONSTANT_COLOR_C 0x1d34 #define R128_CRTC_OFFSET 0x0224 #define R128_CRTC_OFFSET_CNTL 0x0228 # define R128_CRTC_OFFSET_FLIP_CNTL (1 << 16) #define R128_DP_GUI_MASTER_CNTL 0x146c # define R128_GMC_SRC_PITCH_OFFSET_CNTL (1 << 0) # define R128_GMC_DST_PITCH_OFFSET_CNTL (1 << 1) # define R128_GMC_BRUSH_SOLID_COLOR (13 << 4) # define R128_GMC_BRUSH_NONE (15 << 4) # define R128_GMC_DST_16BPP (4 << 8) # define R128_GMC_DST_24BPP (5 << 8) # define R128_GMC_DST_32BPP (6 << 8) # define R128_GMC_DST_DATATYPE_SHIFT 8 # define R128_GMC_SRC_DATATYPE_COLOR (3 << 12) # define R128_DP_SRC_SOURCE_MEMORY (2 << 24) # define R128_DP_SRC_SOURCE_HOST_DATA (3 << 24) # define R128_GMC_CLR_CMP_CNTL_DIS (1 << 28) # define R128_GMC_AUX_CLIP_DIS (1 << 29) # define R128_GMC_WR_MSK_DIS (1 << 30) # define R128_ROP3_S 0x00cc0000 # define R128_ROP3_P 0x00f00000 #define R128_DP_WRITE_MASK 0x16cc #define R128_DST_PITCH_OFFSET_C 0x1c80 # define R128_DST_TILE (1 << 31) #define R128_GEN_INT_CNTL 0x0040 # define R128_CRTC_VBLANK_INT_EN (1 << 0) #define R128_GEN_INT_STATUS 0x0044 # define R128_CRTC_VBLANK_INT (1 << 0) # define R128_CRTC_VBLANK_INT_AK (1 << 0) #define R128_GEN_RESET_CNTL 0x00f0 # define R128_SOFT_RESET_GUI (1 << 0) #define R128_GUI_SCRATCH_REG0 0x15e0 #define R128_GUI_SCRATCH_REG1 0x15e4 #define R128_GUI_SCRATCH_REG2 0x15e8 #define R128_GUI_SCRATCH_REG3 0x15ec #define R128_GUI_SCRATCH_REG4 0x15f0 #define R128_GUI_SCRATCH_REG5 0x15f4 #define R128_GUI_STAT 0x1740 # define R128_GUI_FIFOCNT_MASK 0x0fff # define R128_GUI_ACTIVE (1 << 31) #define R128_MCLK_CNTL 0x000f # define R128_FORCE_GCP (1 << 16) # define R128_FORCE_PIPE3D_CP (1 << 17) # define R128_FORCE_RCP (1 << 18) #define R128_PC_GUI_CTLSTAT 0x1748 #define R128_PC_NGUI_CTLSTAT 0x0184 # define R128_PC_FLUSH_GUI (3 << 0) # define R128_PC_RI_GUI (1 << 2) # define R128_PC_FLUSH_ALL 0x00ff # define R128_PC_BUSY (1 << 31) #define R128_PCI_GART_PAGE 0x017c #define R128_PRIM_TEX_CNTL_C 0x1cb0 #define R128_SCALE_3D_CNTL 0x1a00 #define R128_SEC_TEX_CNTL_C 0x1d00 #define R128_SEC_TEXTURE_BORDER_COLOR_C 0x1d3c #define R128_SETUP_CNTL 0x1bc4 #define R128_STEN_REF_MASK_C 0x1d40 #define R128_TEX_CNTL_C 0x1c9c # define R128_TEX_CACHE_FLUSH (1 << 23) #define R128_WAIT_UNTIL 0x1720 # define R128_EVENT_CRTC_OFFSET (1 << 0) #define R128_WINDOW_XY_OFFSET 0x1bcc /* CCE registers */ #define R128_PM4_BUFFER_OFFSET 0x0700 #define R128_PM4_BUFFER_CNTL 0x0704 # define R128_PM4_MASK (15 << 28) # define R128_PM4_NONPM4 (0 << 28) # define R128_PM4_192PIO (1 << 28) # define R128_PM4_192BM (2 << 28) # define R128_PM4_128PIO_64INDBM (3 << 28) # define R128_PM4_128BM_64INDBM (4 << 28) # define R128_PM4_64PIO_128INDBM (5 << 28) # define R128_PM4_64BM_128INDBM (6 << 28) # define R128_PM4_64PIO_64VCBM_64INDBM (7 << 28) # define R128_PM4_64BM_64VCBM_64INDBM (8 << 28) # define R128_PM4_64PIO_64VCPIO_64INDPIO (15 << 28) # define R128_PM4_BUFFER_CNTL_NOUPDATE (1 << 27) #define R128_PM4_BUFFER_WM_CNTL 0x0708 # define R128_WMA_SHIFT 0 # define R128_WMB_SHIFT 8 # define R128_WMC_SHIFT 16 # define R128_WB_WM_SHIFT 24 #define R128_PM4_BUFFER_DL_RPTR_ADDR 0x070c #define R128_PM4_BUFFER_DL_RPTR 0x0710 #define R128_PM4_BUFFER_DL_WPTR 0x0714 # define R128_PM4_BUFFER_DL_DONE (1 << 31) #define R128_PM4_VC_FPU_SETUP 0x071c #define R128_PM4_IW_INDOFF 0x0738 #define R128_PM4_IW_INDSIZE 0x073c #define R128_PM4_STAT 0x07b8 # define R128_PM4_FIFOCNT_MASK 0x0fff # define R128_PM4_BUSY (1 << 16) # define R128_PM4_GUI_ACTIVE (1 << 31) #define R128_PM4_MICROCODE_ADDR 0x07d4 #define R128_PM4_MICROCODE_RADDR 0x07d8 #define R128_PM4_MICROCODE_DATAH 0x07dc #define R128_PM4_MICROCODE_DATAL 0x07e0 #define R128_PM4_BUFFER_ADDR 0x07f0 #define R128_PM4_MICRO_CNTL 0x07fc # define R128_PM4_MICRO_FREERUN (1 << 30) #define R128_PM4_FIFO_DATA_EVEN 0x1000 #define R128_PM4_FIFO_DATA_ODD 0x1004 /* CCE command packets */ #define R128_CCE_PACKET0 0x00000000 #define R128_CCE_PACKET1 0x40000000 #define R128_CCE_PACKET2 0x80000000 #define R128_CCE_PACKET3 0xC0000000 # define R128_CNTL_HOSTDATA_BLT 0x00009400 # define R128_CNTL_PAINT_MULTI 0x00009A00 # define R128_CNTL_BITBLT_MULTI 0x00009B00 # define R128_3D_RNDR_GEN_INDX_PRIM 0x00002300 #define R128_CCE_PACKET_MASK 0xC0000000 #define R128_CCE_PACKET_COUNT_MASK 0x3fff0000 #define R128_CCE_PACKET0_REG_MASK 0x000007ff #define R128_CCE_PACKET1_REG0_MASK 0x000007ff #define R128_CCE_PACKET1_REG1_MASK 0x003ff800 #define R128_CCE_VC_CNTL_PRIM_TYPE_NONE 0x00000000 #define R128_CCE_VC_CNTL_PRIM_TYPE_POINT 0x00000001 #define R128_CCE_VC_CNTL_PRIM_TYPE_LINE 0x00000002 #define R128_CCE_VC_CNTL_PRIM_TYPE_POLY_LINE 0x00000003 #define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST 0x00000004 #define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_FAN 0x00000005 #define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_STRIP 0x00000006 #define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 0x00000007 #define R128_CCE_VC_CNTL_PRIM_WALK_IND 0x00000010 #define R128_CCE_VC_CNTL_PRIM_WALK_LIST 0x00000020 #define R128_CCE_VC_CNTL_PRIM_WALK_RING 0x00000030 #define R128_CCE_VC_CNTL_NUM_SHIFT 16 #define R128_DATATYPE_VQ 0 #define R128_DATATYPE_CI4 1 #define R128_DATATYPE_CI8 2 #define R128_DATATYPE_ARGB1555 3 #define R128_DATATYPE_RGB565 4 #define R128_DATATYPE_RGB888 5 #define R128_DATATYPE_ARGB8888 6 #define R128_DATATYPE_RGB332 7 #define R128_DATATYPE_Y8 8 #define R128_DATATYPE_RGB8 9 #define R128_DATATYPE_CI16 10 #define R128_DATATYPE_YVYU422 11 #define R128_DATATYPE_VYUY422 12 #define R128_DATATYPE_AYUV444 14 #define R128_DATATYPE_ARGB4444 15 /* Constants */ #define R128_AGP_OFFSET 0x02000000 #define R128_WATERMARK_L 16 #define R128_WATERMARK_M 8 #define R128_WATERMARK_N 8 #define R128_WATERMARK_K 128 #define R128_MAX_USEC_TIMEOUT 100000 /* 100 ms */ #define R128_LAST_FRAME_REG R128_GUI_SCRATCH_REG0 #define R128_LAST_DISPATCH_REG R128_GUI_SCRATCH_REG1 #define R128_MAX_VB_AGE 0x7fffffff #define R128_MAX_VB_VERTS (0xffff) #define R128_RING_HIGH_MARK 128 #define R128_PERFORMANCE_BOXES 0 #define R128_PCIGART_TABLE_SIZE 32768 #define R128_READ(reg) bus_space_read_4(dev_priv->regs->bst, \ dev_priv->regs->bsh, (reg)) #define R128_WRITE(reg,val) bus_space_write_4(dev_priv->regs->bst, \ dev_priv->regs->bsh, (reg), (val)) #define R128_READ8(reg) bus_space_read_1(dev_priv->regs->bst, \ dev_priv->regs->bsh, (reg)) #define R128_WRITE8(reg,val) bus_space_write_1(dev_priv->regs->bst, \ dev_priv->regs->bsh, (reg), (val)) #define R128_WRITE_PLL(addr,val) \ do { \ R128_WRITE8(R128_CLOCK_CNTL_INDEX, \ ((addr) & 0x1f) | R128_PLL_WR_EN); \ R128_WRITE(R128_CLOCK_CNTL_DATA, (val)); \ } while (0) #define CCE_PACKET0( reg, n ) (R128_CCE_PACKET0 | \ ((n) << 16) | ((reg) >> 2)) #define CCE_PACKET1( reg0, reg1 ) (R128_CCE_PACKET1 | \ (((reg1) >> 2) << 11) | ((reg0) >> 2)) #define CCE_PACKET2() (R128_CCE_PACKET2) #define CCE_PACKET3( pkt, n ) (R128_CCE_PACKET3 | \ (pkt) | ((n) << 16)) static __inline__ void r128_update_ring_snapshot(drm_r128_private_t * dev_priv) { drm_r128_ring_buffer_t *ring = &dev_priv->ring; ring->space = (GET_RING_HEAD(dev_priv) - ring->tail) * sizeof(u32); if (ring->space <= 0) ring->space += ring->size; } /* ================================================================ * Misc helper macros */ #define RING_SPACE_TEST_WITH_RETURN( dev_priv ) \ do { \ drm_r128_ring_buffer_t *ring = &dev_priv->ring; int i; \ if ( ring->space < ring->high_mark ) { \ for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { \ r128_update_ring_snapshot( dev_priv ); \ if ( ring->space >= ring->high_mark ) \ goto __ring_space_done; \ DRM_UDELAY(1); \ } \ DRM_ERROR( "ring space check failed!\n" ); \ return EBUSY; \ } \ __ring_space_done: \ ; \ } while (0) #define VB_AGE_TEST_WITH_RETURN( dev_priv ) \ do { \ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; \ if ( sarea_priv->last_dispatch >= R128_MAX_VB_AGE ) { \ int __ret = r128_do_cce_idle( dev_priv ); \ if ( __ret ) return __ret; \ sarea_priv->last_dispatch = 0; \ r128_freelist_reset( dev ); \ } \ } while (0) #define R128_WAIT_UNTIL_PAGE_FLIPPED() do { \ OUT_RING( CCE_PACKET0( R128_WAIT_UNTIL, 0 ) ); \ OUT_RING( R128_EVENT_CRTC_OFFSET ); \ } while (0) /* ================================================================ * Ring control */ #define R128_VERBOSE 0 #define RING_LOCALS \ int write, _nr; unsigned int tail_mask; volatile u32 *ring; #define BEGIN_RING( n ) do { \ if ( R128_VERBOSE ) { \ DRM_INFO( "BEGIN_RING( %d )\n", (n)); \ } \ if ( dev_priv->ring.space <= (n) * sizeof(u32) ) { \ COMMIT_RING(); \ r128_wait_ring( dev_priv, (n) * sizeof(u32) ); \ } \ _nr = n; dev_priv->ring.space -= (n) * sizeof(u32); \ ring = dev_priv->ring.start; \ write = dev_priv->ring.tail; \ tail_mask = dev_priv->ring.tail_mask; \ } while (0) /* You can set this to zero if you want. If the card locks up, you'll * need to keep this set. It works around a bug in early revs of the * Rage 128 chipset, where the CCE would read 32 dwords past the end of * the ring buffer before wrapping around. */ #define R128_BROKEN_CCE 1 #define ADVANCE_RING() do { \ if ( R128_VERBOSE ) { \ DRM_INFO( "ADVANCE_RING() wr=0x%06x tail=0x%06x\n", \ write, dev_priv->ring.tail ); \ } \ if ( R128_BROKEN_CCE && write < 32 ) { \ memcpy( dev_priv->ring.end, \ dev_priv->ring.start, \ write * sizeof(u32) ); \ } \ if (((dev_priv->ring.tail + _nr) & tail_mask) != write) { \ DRM_ERROR( \ "ADVANCE_RING(): mismatch: nr: %x write: %x line: %d\n", \ ((dev_priv->ring.tail + _nr) & tail_mask), \ write, __LINE__); \ } else \ dev_priv->ring.tail = write; \ } while (0) #define COMMIT_RING() do { \ if ( R128_VERBOSE ) { \ DRM_INFO( "COMMIT_RING() tail=0x%06x\n", \ dev_priv->ring.tail ); \ } \ DRM_MEMORYBARRIER(); \ R128_WRITE( R128_PM4_BUFFER_DL_WPTR, dev_priv->ring.tail ); \ R128_READ( R128_PM4_BUFFER_DL_WPTR ); \ } while (0) #define OUT_RING( x ) do { \ if ( R128_VERBOSE ) { \ DRM_INFO( " OUT_RING( 0x%08x ) at 0x%x\n", \ (unsigned int)(x), write ); \ } \ ring[write++] = cpu_to_le32( x ); \ write &= tail_mask; \ } while (0) #endif /* __R128_DRV_H__ */