| /* savage_drv.h -- Private header for the savage driver |
| * |
| * Copyright 2004 Felix Kuehling |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sub license, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
| * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #ifndef __SAVAGE_DRV_H__ |
| #define __SAVAGE_DRV_H__ |
| |
| #define DRIVER_AUTHOR "Felix Kuehling" |
| |
| #define DRIVER_NAME "savage" |
| #define DRIVER_DESC "Savage3D/MX/IX, Savage4, SuperSavage, Twister, ProSavage[DDR]" |
| #define DRIVER_DATE "20050313" |
| |
| #define DRIVER_MAJOR 2 |
| #define DRIVER_MINOR 4 |
| #define DRIVER_PATCHLEVEL 1 |
| /* Interface history: |
| * |
| * 1.x The DRM driver from the VIA/S3 code drop, basically a dummy |
| * 2.0 The first real DRM |
| * 2.1 Scissors registers managed by the DRM, 3D operations clipped by |
| * cliprects of the cmdbuf ioctl |
| * 2.2 Implemented SAVAGE_CMD_DMA_IDX and SAVAGE_CMD_VB_IDX |
| * 2.3 Event counters used by BCI_EVENT_EMIT/WAIT ioctls are now 32 bits |
| * wide and thus very long lived (unlikely to ever wrap). The size |
| * in the struct was 32 bits before, but only 16 bits were used |
| * 2.4 Implemented command DMA. Now drm_savage_init_t.cmd_dma_offset is |
| * actually used |
| */ |
| |
| typedef struct drm_savage_age { |
| uint16_t event; |
| unsigned int wrap; |
| } drm_savage_age_t; |
| |
| typedef struct drm_savage_buf_priv { |
| struct drm_savage_buf_priv *next; |
| struct drm_savage_buf_priv *prev; |
| drm_savage_age_t age; |
| drm_buf_t *buf; |
| } drm_savage_buf_priv_t; |
| |
| typedef struct drm_savage_dma_page { |
| drm_savage_age_t age; |
| unsigned int used, flushed; |
| } drm_savage_dma_page_t; |
| #define SAVAGE_DMA_PAGE_SIZE 1024 /* in dwords */ |
| /* Fake DMA buffer size in bytes. 4 pages. Allows a maximum command |
| * size of 16kbytes or 4k entries. Minimum requirement would be |
| * 10kbytes for 255 40-byte vertices in one drawing command. */ |
| #define SAVAGE_FAKE_DMA_SIZE (SAVAGE_DMA_PAGE_SIZE*4*4) |
| |
| /* interesting bits of hardware state that are saved in dev_priv */ |
| typedef union { |
| struct drm_savage_common_state { |
| uint32_t vbaddr; |
| } common; |
| struct { |
| unsigned char pad[sizeof(struct drm_savage_common_state)]; |
| uint32_t texctrl, texaddr; |
| uint32_t scstart, new_scstart; |
| uint32_t scend, new_scend; |
| } s3d; |
| struct { |
| unsigned char pad[sizeof(struct drm_savage_common_state)]; |
| uint32_t texdescr, texaddr0, texaddr1; |
| uint32_t drawctrl0, new_drawctrl0; |
| uint32_t drawctrl1, new_drawctrl1; |
| } s4; |
| } drm_savage_state_t; |
| |
| /* these chip tags should match the ones in the 2D driver in savage_regs.h. */ |
| enum savage_family { |
| S3_UNKNOWN = 0, |
| S3_SAVAGE3D, |
| S3_SAVAGE_MX, |
| S3_SAVAGE4, |
| S3_PROSAVAGE, |
| S3_TWISTER, |
| S3_PROSAVAGEDDR, |
| S3_SUPERSAVAGE, |
| S3_SAVAGE2000, |
| S3_LAST |
| }; |
| |
| extern drm_ioctl_desc_t savage_ioctls[]; |
| extern int savage_max_ioctl; |
| |
| #define S3_SAVAGE3D_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX)) |
| |
| #define S3_SAVAGE4_SERIES(chip) ((chip==S3_SAVAGE4) \ |
| || (chip==S3_PROSAVAGE) \ |
| || (chip==S3_TWISTER) \ |
| || (chip==S3_PROSAVAGEDDR)) |
| |
| #define S3_SAVAGE_MOBILE_SERIES(chip) ((chip==S3_SAVAGE_MX) || (chip==S3_SUPERSAVAGE)) |
| |
| #define S3_SAVAGE_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE2000)) |
| |
| #define S3_MOBILE_TWISTER_SERIES(chip) ((chip==S3_TWISTER) \ |
| ||(chip==S3_PROSAVAGEDDR)) |
| |
| /* flags */ |
| #define SAVAGE_IS_AGP 1 |
| |
| typedef struct drm_savage_private { |
| drm_savage_sarea_t *sarea_priv; |
| |
| drm_savage_buf_priv_t head, tail; |
| |
| /* who am I? */ |
| enum savage_family chipset; |
| |
| unsigned int cob_size; |
| unsigned int bci_threshold_lo, bci_threshold_hi; |
| unsigned int dma_type; |
| |
| /* frame buffer layout */ |
| unsigned int fb_bpp; |
| unsigned int front_offset, front_pitch; |
| unsigned int back_offset, back_pitch; |
| unsigned int depth_bpp; |
| unsigned int depth_offset, depth_pitch; |
| |
| /* bitmap descriptors for swap and clear */ |
| unsigned int front_bd, back_bd, depth_bd; |
| |
| /* local textures */ |
| unsigned int texture_offset; |
| unsigned int texture_size; |
| |
| /* memory regions in physical memory */ |
| drm_local_map_t *sarea; |
| drm_local_map_t *mmio; |
| drm_local_map_t *fb; |
| drm_local_map_t *aperture; |
| drm_local_map_t *status; |
| drm_local_map_t *agp_textures; |
| drm_local_map_t *cmd_dma; |
| drm_local_map_t fake_dma; |
| |
| struct { |
| int handle; |
| unsigned long base, size; |
| } mtrr[3]; |
| |
| /* BCI and status-related stuff */ |
| volatile uint32_t *status_ptr, *bci_ptr; |
| uint32_t status_used_mask; |
| uint16_t event_counter; |
| unsigned int event_wrap; |
| |
| /* Savage4 command DMA */ |
| drm_savage_dma_page_t *dma_pages; |
| unsigned int nr_dma_pages, first_dma_page, current_dma_page; |
| drm_savage_age_t last_dma_age; |
| |
| /* saved hw state for global/local check on S3D */ |
| uint32_t hw_draw_ctrl, hw_zbuf_ctrl; |
| /* and for scissors (global, so don't emit if not changed) */ |
| uint32_t hw_scissors_start, hw_scissors_end; |
| |
| drm_savage_state_t state; |
| |
| /* after emitting a wait cmd Savage3D needs 63 nops before next DMA */ |
| unsigned int waiting; |
| |
| /* config/hardware-dependent function pointers */ |
| int (*wait_fifo) (struct drm_savage_private * dev_priv, unsigned int n); |
| int (*wait_evnt) (struct drm_savage_private * dev_priv, uint16_t e); |
| /* Err, there is a macro wait_event in include/linux/wait.h. |
| * Avoid unwanted macro expansion. */ |
| void (*emit_clip_rect) (struct drm_savage_private * dev_priv, |
| drm_clip_rect_t * pbox); |
| void (*dma_flush) (struct drm_savage_private * dev_priv); |
| } drm_savage_private_t; |
| |
| /* ioctls */ |
| extern int savage_bci_cmdbuf(DRM_IOCTL_ARGS); |
| extern int savage_bci_buffers(DRM_IOCTL_ARGS); |
| |
| /* BCI functions */ |
| extern uint16_t savage_bci_emit_event(drm_savage_private_t * dev_priv, |
| unsigned int flags); |
| extern void savage_freelist_put(drm_device_t * dev, drm_buf_t * buf); |
| extern void savage_dma_reset(drm_savage_private_t * dev_priv); |
| extern void savage_dma_wait(drm_savage_private_t * dev_priv, unsigned int page); |
| extern uint32_t *savage_dma_alloc(drm_savage_private_t * dev_priv, |
| unsigned int n); |
| extern int savage_preinit(drm_device_t * dev, unsigned long chipset); |
| extern int savage_postcleanup(drm_device_t * dev); |
| extern int savage_do_cleanup_bci(drm_device_t * dev); |
| extern void savage_reclaim_buffers(drm_device_t * dev, DRMFILE filp); |
| |
| /* state functions */ |
| extern void savage_emit_clip_rect_s3d(drm_savage_private_t * dev_priv, |
| drm_clip_rect_t * pbox); |
| extern void savage_emit_clip_rect_s4(drm_savage_private_t * dev_priv, |
| drm_clip_rect_t * pbox); |
| |
| #define SAVAGE_FB_SIZE_S3 0x01000000 /* 16MB */ |
| #define SAVAGE_FB_SIZE_S4 0x02000000 /* 32MB */ |
| #define SAVAGE_MMIO_SIZE 0x00080000 /* 512kB */ |
| #define SAVAGE_APERTURE_OFFSET 0x02000000 /* 32MB */ |
| #define SAVAGE_APERTURE_SIZE 0x05000000 /* 5 tiled surfaces, 16MB each */ |
| |
| #define SAVAGE_BCI_OFFSET 0x00010000 /* offset of the BCI region |
| * inside the MMIO region */ |
| #define SAVAGE_BCI_FIFO_SIZE 32 /* number of entries in on-chip |
| * BCI FIFO */ |
| |
| /* |
| * MMIO registers |
| */ |
| #define SAVAGE_STATUS_WORD0 0x48C00 |
| #define SAVAGE_STATUS_WORD1 0x48C04 |
| #define SAVAGE_ALT_STATUS_WORD0 0x48C60 |
| |
| #define SAVAGE_FIFO_USED_MASK_S3D 0x0001ffff |
| #define SAVAGE_FIFO_USED_MASK_S4 0x001fffff |
| |
| /* Copied from savage_bci.h in the 2D driver with some renaming. */ |
| |
| /* Bitmap descriptors */ |
| #define SAVAGE_BD_STRIDE_SHIFT 0 |
| #define SAVAGE_BD_BPP_SHIFT 16 |
| #define SAVAGE_BD_TILE_SHIFT 24 |
| #define SAVAGE_BD_BW_DISABLE (1<<28) |
| /* common: */ |
| #define SAVAGE_BD_TILE_LINEAR 0 |
| /* savage4, MX, IX, 3D */ |
| #define SAVAGE_BD_TILE_16BPP 2 |
| #define SAVAGE_BD_TILE_32BPP 3 |
| /* twister, prosavage, DDR, supersavage, 2000 */ |
| #define SAVAGE_BD_TILE_DEST 1 |
| #define SAVAGE_BD_TILE_TEXTURE 2 |
| /* GBD - BCI enable */ |
| /* savage4, MX, IX, 3D */ |
| #define SAVAGE_GBD_BCI_ENABLE 8 |
| /* twister, prosavage, DDR, supersavage, 2000 */ |
| #define SAVAGE_GBD_BCI_ENABLE_TWISTER 0 |
| |
| #define SAVAGE_GBD_BIG_ENDIAN 4 |
| #define SAVAGE_GBD_LITTLE_ENDIAN 0 |
| #define SAVAGE_GBD_64 1 |
| |
| /* Global Bitmap Descriptor */ |
| #define SAVAGE_BCI_GLB_BD_LOW 0x8168 |
| #define SAVAGE_BCI_GLB_BD_HIGH 0x816C |
| |
| /* |
| * BCI registers |
| */ |
| /* Savage4/Twister/ProSavage 3D registers */ |
| #define SAVAGE_DRAWLOCALCTRL_S4 0x1e |
| #define SAVAGE_TEXPALADDR_S4 0x1f |
| #define SAVAGE_TEXCTRL0_S4 0x20 |
| #define SAVAGE_TEXCTRL1_S4 0x21 |
| #define SAVAGE_TEXADDR0_S4 0x22 |
| #define SAVAGE_TEXADDR1_S4 0x23 |
| #define SAVAGE_TEXBLEND0_S4 0x24 |
| #define SAVAGE_TEXBLEND1_S4 0x25 |
| #define SAVAGE_TEXXPRCLR_S4 0x26 /* never used */ |
| #define SAVAGE_TEXDESCR_S4 0x27 |
| #define SAVAGE_FOGTABLE_S4 0x28 |
| #define SAVAGE_FOGCTRL_S4 0x30 |
| #define SAVAGE_STENCILCTRL_S4 0x31 |
| #define SAVAGE_ZBUFCTRL_S4 0x32 |
| #define SAVAGE_ZBUFOFF_S4 0x33 |
| #define SAVAGE_DESTCTRL_S4 0x34 |
| #define SAVAGE_DRAWCTRL0_S4 0x35 |
| #define SAVAGE_DRAWCTRL1_S4 0x36 |
| #define SAVAGE_ZWATERMARK_S4 0x37 |
| #define SAVAGE_DESTTEXRWWATERMARK_S4 0x38 |
| #define SAVAGE_TEXBLENDCOLOR_S4 0x39 |
| /* Savage3D/MX/IX 3D registers */ |
| #define SAVAGE_TEXPALADDR_S3D 0x18 |
| #define SAVAGE_TEXXPRCLR_S3D 0x19 /* never used */ |
| #define SAVAGE_TEXADDR_S3D 0x1A |
| #define SAVAGE_TEXDESCR_S3D 0x1B |
| #define SAVAGE_TEXCTRL_S3D 0x1C |
| #define SAVAGE_FOGTABLE_S3D 0x20 |
| #define SAVAGE_FOGCTRL_S3D 0x30 |
| #define SAVAGE_DRAWCTRL_S3D 0x31 |
| #define SAVAGE_ZBUFCTRL_S3D 0x32 |
| #define SAVAGE_ZBUFOFF_S3D 0x33 |
| #define SAVAGE_DESTCTRL_S3D 0x34 |
| #define SAVAGE_SCSTART_S3D 0x35 |
| #define SAVAGE_SCEND_S3D 0x36 |
| #define SAVAGE_ZWATERMARK_S3D 0x37 |
| #define SAVAGE_DESTTEXRWWATERMARK_S3D 0x38 |
| /* common stuff */ |
| #define SAVAGE_VERTBUFADDR 0x3e |
| #define SAVAGE_BITPLANEWTMASK 0xd7 |
| #define SAVAGE_DMABUFADDR 0x51 |
| |
| /* texture enable bits (needed for tex addr checking) */ |
| #define SAVAGE_TEXCTRL_TEXEN_MASK 0x00010000 /* S3D */ |
| #define SAVAGE_TEXDESCR_TEX0EN_MASK 0x02000000 /* S4 */ |
| #define SAVAGE_TEXDESCR_TEX1EN_MASK 0x04000000 /* S4 */ |
| |
| /* Global fields in Savage4/Twister/ProSavage 3D registers: |
| * |
| * All texture registers and DrawLocalCtrl are local. All other |
| * registers are global. */ |
| |
| /* Global fields in Savage3D/MX/IX 3D registers: |
| * |
| * All texture registers are local. DrawCtrl and ZBufCtrl are |
| * partially local. All other registers are global. |
| * |
| * DrawCtrl global fields: cullMode, alphaTestCmpFunc, alphaTestEn, alphaRefVal |
| * ZBufCtrl global fields: zCmpFunc, zBufEn |
| */ |
| #define SAVAGE_DRAWCTRL_S3D_GLOBAL 0x03f3c00c |
| #define SAVAGE_ZBUFCTRL_S3D_GLOBAL 0x00000027 |
| |
| /* Masks for scissor bits (drawCtrl[01] on s4, scissorStart/End on s3d) |
| */ |
| #define SAVAGE_SCISSOR_MASK_S4 0x00fff7ff |
| #define SAVAGE_SCISSOR_MASK_S3D 0x07ff07ff |
| |
| /* |
| * BCI commands |
| */ |
| #define BCI_CMD_NOP 0x40000000 |
| #define BCI_CMD_RECT 0x48000000 |
| #define BCI_CMD_RECT_XP 0x01000000 |
| #define BCI_CMD_RECT_YP 0x02000000 |
| #define BCI_CMD_SCANLINE 0x50000000 |
| #define BCI_CMD_LINE 0x5C000000 |
| #define BCI_CMD_LINE_LAST_PIXEL 0x58000000 |
| #define BCI_CMD_BYTE_TEXT 0x63000000 |
| #define BCI_CMD_NT_BYTE_TEXT 0x67000000 |
| #define BCI_CMD_BIT_TEXT 0x6C000000 |
| #define BCI_CMD_GET_ROP(cmd) (((cmd) >> 16) & 0xFF) |
| #define BCI_CMD_SET_ROP(cmd, rop) ((cmd) |= ((rop & 0xFF) << 16)) |
| #define BCI_CMD_SEND_COLOR 0x00008000 |
| |
| #define BCI_CMD_CLIP_NONE 0x00000000 |
| #define BCI_CMD_CLIP_CURRENT 0x00002000 |
| #define BCI_CMD_CLIP_LR 0x00004000 |
| #define BCI_CMD_CLIP_NEW 0x00006000 |
| |
| #define BCI_CMD_DEST_GBD 0x00000000 |
| #define BCI_CMD_DEST_PBD 0x00000800 |
| #define BCI_CMD_DEST_PBD_NEW 0x00000C00 |
| #define BCI_CMD_DEST_SBD 0x00001000 |
| #define BCI_CMD_DEST_SBD_NEW 0x00001400 |
| |
| #define BCI_CMD_SRC_TRANSPARENT 0x00000200 |
| #define BCI_CMD_SRC_SOLID 0x00000000 |
| #define BCI_CMD_SRC_GBD 0x00000020 |
| #define BCI_CMD_SRC_COLOR 0x00000040 |
| #define BCI_CMD_SRC_MONO 0x00000060 |
| #define BCI_CMD_SRC_PBD_COLOR 0x00000080 |
| #define BCI_CMD_SRC_PBD_MONO 0x000000A0 |
| #define BCI_CMD_SRC_PBD_COLOR_NEW 0x000000C0 |
| #define BCI_CMD_SRC_PBD_MONO_NEW 0x000000E0 |
| #define BCI_CMD_SRC_SBD_COLOR 0x00000100 |
| #define BCI_CMD_SRC_SBD_MONO 0x00000120 |
| #define BCI_CMD_SRC_SBD_COLOR_NEW 0x00000140 |
| #define BCI_CMD_SRC_SBD_MONO_NEW 0x00000160 |
| |
| #define BCI_CMD_PAT_TRANSPARENT 0x00000010 |
| #define BCI_CMD_PAT_NONE 0x00000000 |
| #define BCI_CMD_PAT_COLOR 0x00000002 |
| #define BCI_CMD_PAT_MONO 0x00000003 |
| #define BCI_CMD_PAT_PBD_COLOR 0x00000004 |
| #define BCI_CMD_PAT_PBD_MONO 0x00000005 |
| #define BCI_CMD_PAT_PBD_COLOR_NEW 0x00000006 |
| #define BCI_CMD_PAT_PBD_MONO_NEW 0x00000007 |
| #define BCI_CMD_PAT_SBD_COLOR 0x00000008 |
| #define BCI_CMD_PAT_SBD_MONO 0x00000009 |
| #define BCI_CMD_PAT_SBD_COLOR_NEW 0x0000000A |
| #define BCI_CMD_PAT_SBD_MONO_NEW 0x0000000B |
| |
| #define BCI_BD_BW_DISABLE 0x10000000 |
| #define BCI_BD_TILE_MASK 0x03000000 |
| #define BCI_BD_TILE_NONE 0x00000000 |
| #define BCI_BD_TILE_16 0x02000000 |
| #define BCI_BD_TILE_32 0x03000000 |
| #define BCI_BD_GET_BPP(bd) (((bd) >> 16) & 0xFF) |
| #define BCI_BD_SET_BPP(bd, bpp) ((bd) |= (((bpp) & 0xFF) << 16)) |
| #define BCI_BD_GET_STRIDE(bd) ((bd) & 0xFFFF) |
| #define BCI_BD_SET_STRIDE(bd, st) ((bd) |= ((st) & 0xFFFF)) |
| |
| #define BCI_CMD_SET_REGISTER 0x96000000 |
| |
| #define BCI_CMD_WAIT 0xC0000000 |
| #define BCI_CMD_WAIT_3D 0x00010000 |
| #define BCI_CMD_WAIT_2D 0x00020000 |
| |
| #define BCI_CMD_UPDATE_EVENT_TAG 0x98000000 |
| |
| #define BCI_CMD_DRAW_PRIM 0x80000000 |
| #define BCI_CMD_DRAW_INDEXED_PRIM 0x88000000 |
| #define BCI_CMD_DRAW_CONT 0x01000000 |
| #define BCI_CMD_DRAW_TRILIST 0x00000000 |
| #define BCI_CMD_DRAW_TRISTRIP 0x02000000 |
| #define BCI_CMD_DRAW_TRIFAN 0x04000000 |
| #define BCI_CMD_DRAW_SKIPFLAGS 0x000000ff |
| #define BCI_CMD_DRAW_NO_Z 0x00000001 |
| #define BCI_CMD_DRAW_NO_W 0x00000002 |
| #define BCI_CMD_DRAW_NO_CD 0x00000004 |
| #define BCI_CMD_DRAW_NO_CS 0x00000008 |
| #define BCI_CMD_DRAW_NO_U0 0x00000010 |
| #define BCI_CMD_DRAW_NO_V0 0x00000020 |
| #define BCI_CMD_DRAW_NO_UV0 0x00000030 |
| #define BCI_CMD_DRAW_NO_U1 0x00000040 |
| #define BCI_CMD_DRAW_NO_V1 0x00000080 |
| #define BCI_CMD_DRAW_NO_UV1 0x000000c0 |
| |
| #define BCI_CMD_DMA 0xa8000000 |
| |
| #define BCI_W_H(w, h) ((((h) << 16) | (w)) & 0x0FFF0FFF) |
| #define BCI_X_Y(x, y) ((((y) << 16) | (x)) & 0x0FFF0FFF) |
| #define BCI_X_W(x, y) ((((w) << 16) | (x)) & 0x0FFF0FFF) |
| #define BCI_CLIP_LR(l, r) ((((r) << 16) | (l)) & 0x0FFF0FFF) |
| #define BCI_CLIP_TL(t, l) ((((t) << 16) | (l)) & 0x0FFF0FFF) |
| #define BCI_CLIP_BR(b, r) ((((b) << 16) | (r)) & 0x0FFF0FFF) |
| |
| #define BCI_LINE_X_Y(x, y) (((y) << 16) | ((x) & 0xFFFF)) |
| #define BCI_LINE_STEPS(diag, axi) (((axi) << 16) | ((diag) & 0xFFFF)) |
| #define BCI_LINE_MISC(maj, ym, xp, yp, err) \ |
| (((maj) & 0x1FFF) | \ |
| ((ym) ? 1<<13 : 0) | \ |
| ((xp) ? 1<<14 : 0) | \ |
| ((yp) ? 1<<15 : 0) | \ |
| ((err) << 16)) |
| |
| /* |
| * common commands |
| */ |
| #define BCI_SET_REGISTERS( first, n ) \ |
| BCI_WRITE(BCI_CMD_SET_REGISTER | \ |
| ((uint32_t)(n) & 0xff) << 16 | \ |
| ((uint32_t)(first) & 0xffff)) |
| #define DMA_SET_REGISTERS( first, n ) \ |
| DMA_WRITE(BCI_CMD_SET_REGISTER | \ |
| ((uint32_t)(n) & 0xff) << 16 | \ |
| ((uint32_t)(first) & 0xffff)) |
| |
| #define BCI_DRAW_PRIMITIVE(n, type, skip) \ |
| BCI_WRITE(BCI_CMD_DRAW_PRIM | (type) | (skip) | \ |
| ((n) << 16)) |
| #define DMA_DRAW_PRIMITIVE(n, type, skip) \ |
| DMA_WRITE(BCI_CMD_DRAW_PRIM | (type) | (skip) | \ |
| ((n) << 16)) |
| |
| #define BCI_DRAW_INDICES_S3D(n, type, i0) \ |
| BCI_WRITE(BCI_CMD_DRAW_INDEXED_PRIM | (type) | \ |
| ((n) << 16) | (i0)) |
| |
| #define BCI_DRAW_INDICES_S4(n, type, skip) \ |
| BCI_WRITE(BCI_CMD_DRAW_INDEXED_PRIM | (type) | \ |
| (skip) | ((n) << 16)) |
| |
| #define BCI_DMA(n) \ |
| BCI_WRITE(BCI_CMD_DMA | (((n) >> 1) - 1)) |
| |
| /* |
| * access to MMIO |
| */ |
| #define SAVAGE_READ(reg) DRM_READ32( dev_priv->mmio, (reg) ) |
| #define SAVAGE_WRITE(reg) DRM_WRITE32( dev_priv->mmio, (reg) ) |
| |
| /* |
| * access to the burst command interface (BCI) |
| */ |
| #define SAVAGE_BCI_DEBUG 1 |
| |
| #define BCI_LOCALS volatile uint32_t *bci_ptr; |
| |
| #define BEGIN_BCI( n ) do { \ |
| dev_priv->wait_fifo(dev_priv, (n)); \ |
| bci_ptr = dev_priv->bci_ptr; \ |
| } while(0) |
| |
| #define BCI_WRITE( val ) *bci_ptr++ = (uint32_t)(val) |
| |
| #define BCI_COPY_FROM_USER(src,n) do { \ |
| unsigned int i; \ |
| for (i = 0; i < n; ++i) { \ |
| uint32_t val; \ |
| DRM_GET_USER_UNCHECKED(val, &((uint32_t*)(src))[i]); \ |
| BCI_WRITE(val); \ |
| } \ |
| } while(0) |
| |
| /* |
| * command DMA support |
| */ |
| #define SAVAGE_DMA_DEBUG 1 |
| |
| #define DMA_LOCALS uint32_t *dma_ptr; |
| |
| #define BEGIN_DMA( n ) do { \ |
| unsigned int cur = dev_priv->current_dma_page; \ |
| unsigned int rest = SAVAGE_DMA_PAGE_SIZE - \ |
| dev_priv->dma_pages[cur].used; \ |
| if ((n) > rest) { \ |
| dma_ptr = savage_dma_alloc(dev_priv, (n)); \ |
| } else { /* fast path for small allocations */ \ |
| dma_ptr = (uint32_t *)dev_priv->cmd_dma->handle + \ |
| cur * SAVAGE_DMA_PAGE_SIZE + \ |
| dev_priv->dma_pages[cur].used; \ |
| if (dev_priv->dma_pages[cur].used == 0) \ |
| savage_dma_wait(dev_priv, cur); \ |
| dev_priv->dma_pages[cur].used += (n); \ |
| } \ |
| } while(0) |
| |
| #define DMA_WRITE( val ) *dma_ptr++ = (uint32_t)(val) |
| |
| #define DMA_COPY_FROM_USER(src,n) do { \ |
| DRM_COPY_FROM_USER_UNCHECKED(dma_ptr, (src), (n)*4); \ |
| dma_ptr += n; \ |
| } while(0) |
| |
| #if SAVAGE_DMA_DEBUG |
| #define DMA_COMMIT() do { \ |
| unsigned int cur = dev_priv->current_dma_page; \ |
| uint32_t *expected = (uint32_t *)dev_priv->cmd_dma->handle + \ |
| cur * SAVAGE_DMA_PAGE_SIZE + \ |
| dev_priv->dma_pages[cur].used; \ |
| if (dma_ptr != expected) { \ |
| DRM_ERROR("DMA allocation and use don't match: " \ |
| "%p != %p\n", expected, dma_ptr); \ |
| savage_dma_reset(dev_priv); \ |
| } \ |
| } while(0) |
| #else |
| #define DMA_COMMIT() do {/* nothing */} while(0) |
| #endif |
| |
| #define DMA_FLUSH() dev_priv->dma_flush(dev_priv) |
| |
| /* Buffer aging via event tag |
| */ |
| |
| #define UPDATE_EVENT_COUNTER( ) do { \ |
| if (dev_priv->status_ptr) { \ |
| uint16_t count; \ |
| /* coordinate with Xserver */ \ |
| count = dev_priv->status_ptr[1023]; \ |
| if (count < dev_priv->event_counter) \ |
| dev_priv->event_wrap++; \ |
| dev_priv->event_counter = count; \ |
| } \ |
| } while(0) |
| |
| #define SET_AGE( age, e, w ) do { \ |
| (age)->event = e; \ |
| (age)->wrap = w; \ |
| } while(0) |
| |
| #define TEST_AGE( age, e, w ) \ |
| ( (age)->wrap < (w) || ( (age)->wrap == (w) && (age)->event <= (e) ) ) |
| |
| #endif /* __SAVAGE_DRV_H__ */ |
