diff options
author | Dave Airlie <airlied@linux.ie> | 2004-04-12 05:27:40 +0000 |
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committer | Dave Airlie <airlied@linux.ie> | 2004-04-12 05:27:40 +0000 |
commit | 873e1c4d38c78e8b4a5df42d983f285cfb3ae4cc (patch) | |
tree | c5659d6186bc4e3b6e8811ba6677389d09153ccb /shared/mach64_drv.h | |
parent | 7e39628577d7478644c51bba2ef1d5e2e029bbbb (diff) |
Add mach64 to the trunk
Diffstat (limited to 'shared/mach64_drv.h')
-rw-r--r-- | shared/mach64_drv.h | 1034 |
1 files changed, 1034 insertions, 0 deletions
diff --git a/shared/mach64_drv.h b/shared/mach64_drv.h new file mode 100644 index 00000000..4331cde5 --- /dev/null +++ b/shared/mach64_drv.h @@ -0,0 +1,1034 @@ +/* mach64_drv.h -- Private header for mach64 driver -*- linux-c -*- + * Created: Fri Nov 24 22:07:58 2000 by gareth@valinux.com + * + * Copyright 2000 Gareth Hughes + * Copyright 2002 Frank C. Earl + * Copyright 2002-2003 Leif Delgass + * 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 + * THE COPYRIGHT OWNER(S) 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: + * Gareth Hughes <gareth@valinux.com> + * Frank C. Earl <fearl@airmail.net> + * Leif Delgass <ldelgass@retinalburn.net> + * José Fonseca <j_r_fonseca@yahoo.co.uk> + */ + +#ifndef __MACH64_DRV_H__ +#define __MACH64_DRV_H__ + + +/* FIXME: remove these when not needed */ +/* Development driver options */ +#define MACH64_EXTRA_CHECKING 0 /* Extra sanity checks for DMA/freelist management */ +#define MACH64_VERBOSE 0 /* Verbose debugging output */ + +typedef struct drm_mach64_freelist { + struct list_head list; /* List pointers for free_list, placeholders, or pending list */ + drm_buf_t *buf; /* Pointer to the buffer */ + int discard; /* This flag is set when we're done (re)using a buffer */ + u32 ring_ofs; /* dword offset in ring of last descriptor for this buffer */ +} drm_mach64_freelist_t; + +typedef struct drm_mach64_descriptor_ring { + dma_addr_t handle; /* handle (bus address) of ring returned by pci_alloc_consistent() */ + void *start; /* write pointer (cpu address) to start of descriptor ring */ + u32 start_addr; /* bus address of beginning of descriptor ring */ + int size; /* size of ring in bytes */ + + u32 head_addr; /* bus address of descriptor ring head */ + u32 head; /* dword offset of descriptor ring head */ + u32 tail; /* dword offset of descriptor ring tail */ + u32 tail_mask; /* mask used to wrap ring */ + int space; /* number of free bytes in ring */ +} drm_mach64_descriptor_ring_t; + +typedef struct drm_mach64_private { + drm_mach64_sarea_t *sarea_priv; + + int is_pci; + drm_mach64_dma_mode_t driver_mode; /* Async DMA, sync DMA, or MMIO */ + + int usec_timeout; /* Timeout for the wait functions */ + + drm_mach64_descriptor_ring_t ring; /* DMA descriptor table (ring buffer) */ + int ring_running; /* Is bus mastering is enabled */ + + struct list_head free_list; /* Free-list head */ + struct list_head placeholders; /* Placeholder list for buffers held by clients */ + struct list_head pending; /* Buffers pending completion */ + + u32 frame_ofs[MACH64_MAX_QUEUED_FRAMES]; /* dword ring offsets of most recent frame swaps */ + + 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; + + u32 front_offset_pitch; + u32 back_offset_pitch; + u32 depth_offset_pitch; + + drm_local_map_t *sarea; + drm_local_map_t *fb; + drm_local_map_t *mmio; + drm_local_map_t *ring_map; + drm_local_map_t *buffers; + drm_local_map_t *agp_textures; +} drm_mach64_private_t; + + /* mach64_dma.c */ +extern int mach64_dma_init( DRM_IOCTL_ARGS ); +extern int mach64_dma_idle( DRM_IOCTL_ARGS ); +extern int mach64_dma_flush( DRM_IOCTL_ARGS ); +extern int mach64_engine_reset( DRM_IOCTL_ARGS ); +extern int mach64_dma_buffers( DRM_IOCTL_ARGS ); + +extern int mach64_init_freelist( drm_device_t *dev ); +extern void mach64_destroy_freelist( drm_device_t *dev ); +extern drm_buf_t *mach64_freelist_get( drm_mach64_private_t *dev_priv ); + +extern int mach64_do_wait_for_fifo( drm_mach64_private_t *dev_priv, + int entries ); +extern int mach64_do_wait_for_idle( drm_mach64_private_t *dev_priv ); +extern int mach64_wait_ring( drm_mach64_private_t *dev_priv, int n ); +extern int mach64_do_dispatch_pseudo_dma( drm_mach64_private_t *dev_priv ); +extern int mach64_do_release_used_buffers( drm_mach64_private_t *dev_priv ); +extern void mach64_dump_engine_info( drm_mach64_private_t *dev_priv ); +extern void mach64_dump_ring_info( drm_mach64_private_t *dev_priv ); +extern int mach64_do_engine_reset( drm_mach64_private_t *dev_priv ); + +extern int mach64_do_dma_idle( drm_mach64_private_t *dev_priv ); +extern int mach64_do_dma_flush( drm_mach64_private_t *dev_priv ); +extern int mach64_do_cleanup_dma( drm_device_t *dev ); + + /* mach64_state.c */ +extern int mach64_dma_clear( DRM_IOCTL_ARGS ); +extern int mach64_dma_swap( DRM_IOCTL_ARGS ); +extern int mach64_dma_vertex( DRM_IOCTL_ARGS ); +extern int mach64_dma_blit( DRM_IOCTL_ARGS ); +extern int mach64_get_param( DRM_IOCTL_ARGS ); + +/* ================================================================ + * Registers + */ + +#define MACH64_AGP_BASE 0x0148 +#define MACH64_AGP_CNTL 0x014c +#define MACH64_ALPHA_TST_CNTL 0x0550 + + +#define MACH64_DSP_CONFIG 0x0420 +#define MACH64_DSP_ON_OFF 0x0424 +#define MACH64_EXT_MEM_CNTL 0x04ac +#define MACH64_GEN_TEST_CNTL 0x04d0 +#define MACH64_HW_DEBUG 0x047c +#define MACH64_MEM_ADDR_CONFIG 0x0434 +#define MACH64_MEM_BUF_CNTL 0x042c +#define MACH64_MEM_CNTL 0x04b0 + + +#define MACH64_BM_ADDR 0x0648 +#define MACH64_BM_COMMAND 0x0188 +#define MACH64_BM_DATA 0x0648 +#define MACH64_BM_FRAME_BUF_OFFSET 0x0180 +#define MACH64_BM_GUI_TABLE 0x01b8 +#define MACH64_BM_GUI_TABLE_CMD 0x064c +# define MACH64_CIRCULAR_BUF_SIZE_16KB (0 << 0) +# define MACH64_CIRCULAR_BUF_SIZE_32KB (1 << 0) +# define MACH64_CIRCULAR_BUF_SIZE_64KB (2 << 0) +# define MACH64_CIRCULAR_BUF_SIZE_128KB (3 << 0) +# define MACH64_LAST_DESCRIPTOR (1 << 31) +#define MACH64_BM_HOSTDATA 0x0644 +#define MACH64_BM_STATUS 0x018c +#define MACH64_BM_SYSTEM_MEM_ADDR 0x0184 +#define MACH64_BM_SYSTEM_TABLE 0x01bc +#define MACH64_BUS_CNTL 0x04a0 +# define MACH64_BUS_MSTR_RESET (1 << 1) +# define MACH64_BUS_APER_REG_DIS (1 << 4) +# define MACH64_BUS_FLUSH_BUF (1 << 2) +# define MACH64_BUS_MASTER_DIS (1 << 6) +# define MACH64_BUS_EXT_REG_EN (1 << 27) + +#define MACH64_CLR_CMP_CLR 0x0700 +#define MACH64_CLR_CMP_CNTL 0x0708 +#define MACH64_CLR_CMP_MASK 0x0704 +#define MACH64_CONFIG_CHIP_ID 0x04e0 +#define MACH64_CONFIG_CNTL 0x04dc +#define MACH64_CONFIG_STAT0 0x04e4 +#define MACH64_CONFIG_STAT1 0x0494 +#define MACH64_CONFIG_STAT2 0x0498 +#define MACH64_CONTEXT_LOAD_CNTL 0x072c +#define MACH64_CONTEXT_MASK 0x0720 +#define MACH64_COMPOSITE_SHADOW_ID 0x0798 +#define MACH64_CRC_SIG 0x04e8 +#define MACH64_CUSTOM_MACRO_CNTL 0x04d4 + +#define MACH64_DP_BKGD_CLR 0x06c0 +#define MACH64_DP_FOG_CLR 0x06c4 +#define MACH64_DP_FGRD_BKGD_CLR 0x06e0 +#define MACH64_DP_FRGD_CLR 0x06c4 +#define MACH64_DP_FGRD_CLR_MIX 0x06dc + +#define MACH64_DP_MIX 0x06d4 +# define BKGD_MIX_NOT_D (0 << 0) +# define BKGD_MIX_ZERO (1 << 0) +# define BKGD_MIX_ONE (2 << 0) +# define MACH64_BKGD_MIX_D (3 << 0) +# define BKGD_MIX_NOT_S (4 << 0) +# define BKGD_MIX_D_XOR_S (5 << 0) +# define BKGD_MIX_NOT_D_XOR_S (6 << 0) +# define MACH64_BKGD_MIX_S (7 << 0) +# define BKGD_MIX_NOT_D_OR_NOT_S (8 << 0) +# define BKGD_MIX_D_OR_NOT_S (9 << 0) +# define BKGD_MIX_NOT_D_OR_S (10 << 0) +# define BKGD_MIX_D_OR_S (11 << 0) +# define BKGD_MIX_D_AND_S (12 << 0) +# define BKGD_MIX_NOT_D_AND_S (13 << 0) +# define BKGD_MIX_D_AND_NOT_S (14 << 0) +# define BKGD_MIX_NOT_D_AND_NOT_S (15 << 0) +# define BKGD_MIX_D_PLUS_S_DIV2 (23 << 0) +# define FRGD_MIX_NOT_D (0 << 16) +# define FRGD_MIX_ZERO (1 << 16) +# define FRGD_MIX_ONE (2 << 16) +# define FRGD_MIX_D (3 << 16) +# define FRGD_MIX_NOT_S (4 << 16) +# define FRGD_MIX_D_XOR_S (5 << 16) +# define FRGD_MIX_NOT_D_XOR_S (6 << 16) +# define MACH64_FRGD_MIX_S (7 << 16) +# define FRGD_MIX_NOT_D_OR_NOT_S (8 << 16) +# define FRGD_MIX_D_OR_NOT_S (9 << 16) +# define FRGD_MIX_NOT_D_OR_S (10 << 16) +# define FRGD_MIX_D_OR_S (11 << 16) +# define FRGD_MIX_D_AND_S (12 << 16) +# define FRGD_MIX_NOT_D_AND_S (13 << 16) +# define FRGD_MIX_D_AND_NOT_S (14 << 16) +# define FRGD_MIX_NOT_D_AND_NOT_S (15 << 16) +# define FRGD_MIX_D_PLUS_S_DIV2 (23 << 16) + +#define MACH64_DP_PIX_WIDTH 0x06d0 +# define MACH64_HOST_TRIPLE_ENABLE (1 << 13) +# define MACH64_BYTE_ORDER_MSB_TO_LSB (0 << 24) +# define MACH64_BYTE_ORDER_LSB_TO_MSB (1 << 24) + +#define MACH64_DP_SRC 0x06d8 +# define MACH64_BKGD_SRC_BKGD_CLR (0 << 0) +# define MACH64_BKGD_SRC_FRGD_CLR (1 << 0) +# define MACH64_BKGD_SRC_HOST (2 << 0) +# define MACH64_BKGD_SRC_BLIT (3 << 0) +# define MACH64_BKGD_SRC_PATTERN (4 << 0) +# define MACH64_BKGD_SRC_3D (5 << 0) +# define MACH64_FRGD_SRC_BKGD_CLR (0 << 8) +# define MACH64_FRGD_SRC_FRGD_CLR (1 << 8) +# define MACH64_FRGD_SRC_HOST (2 << 8) +# define MACH64_FRGD_SRC_BLIT (3 << 8) +# define MACH64_FRGD_SRC_PATTERN (4 << 8) +# define MACH64_FRGD_SRC_3D (5 << 8) +# define MACH64_MONO_SRC_ONE (0 << 16) +# define MACH64_MONO_SRC_PATTERN (1 << 16) +# define MACH64_MONO_SRC_HOST (2 << 16) +# define MACH64_MONO_SRC_BLIT (3 << 16) + +#define MACH64_DP_WRITE_MASK 0x06c8 + +#define MACH64_DST_CNTL 0x0530 +# define MACH64_DST_X_RIGHT_TO_LEFT (0 << 0) +# define MACH64_DST_X_LEFT_TO_RIGHT (1 << 0) +# define MACH64_DST_Y_BOTTOM_TO_TOP (0 << 1) +# define MACH64_DST_Y_TOP_TO_BOTTOM (1 << 1) +# define MACH64_DST_X_MAJOR (0 << 2) +# define MACH64_DST_Y_MAJOR (1 << 2) +# define MACH64_DST_X_TILE (1 << 3) +# define MACH64_DST_Y_TILE (1 << 4) +# define MACH64_DST_LAST_PEL (1 << 5) +# define MACH64_DST_POLYGON_ENABLE (1 << 6) +# define MACH64_DST_24_ROTATION_ENABLE (1 << 7) + +#define MACH64_DST_HEIGHT_WIDTH 0x0518 +#define MACH64_DST_OFF_PITCH 0x0500 +#define MACH64_DST_WIDTH_HEIGHT 0x06ec +#define MACH64_DST_X_Y 0x06e8 +#define MACH64_DST_Y_X 0x050c + +#define MACH64_FIFO_STAT 0x0710 +# define MACH64_FIFO_SLOT_MASK 0x0000ffff +# define MACH64_FIFO_ERR (1 << 31) + +#define MACH64_GEN_TEST_CNTL 0x04d0 +# define MACH64_GUI_ENGINE_ENABLE (1 << 8) +#define MACH64_GUI_CMDFIFO_DEBUG 0x0170 +#define MACH64_GUI_CMDFIFO_DATA 0x0174 +#define MACH64_GUI_CNTL 0x0178 +# define MACH64_CMDFIFO_SIZE_MASK 0x00000003ul +# define MACH64_CMDFIFO_SIZE_192 0x00000000ul +# define MACH64_CMDFIFO_SIZE_128 0x00000001ul +# define MACH64_CMDFIFO_SIZE_64 0x00000002ul +#define MACH64_GUI_STAT 0x0738 +# define MACH64_GUI_ACTIVE (1 << 0) +#define MACH64_GUI_TRAJ_CNTL 0x0730 + +#define MACH64_HOST_CNTL 0x0640 +#define MACH64_HOST_DATA0 0x0600 + +#define MACH64_ONE_OVER_AREA 0x029c +#define MACH64_ONE_OVER_AREA_UC 0x0300 + +#define MACH64_PAT_REG0 0x0680 +#define MACH64_PAT_REG1 0x0684 + +#define MACH64_SC_LEFT 0x06a0 +#define MACH64_SC_RIGHT 0x06a4 +#define MACH64_SC_LEFT_RIGHT 0x06a8 +#define MACH64_SC_TOP 0x06ac +#define MACH64_SC_BOTTOM 0x06b0 +#define MACH64_SC_TOP_BOTTOM 0x06b4 + +#define MACH64_SCALE_3D_CNTL 0x05fc +#define MACH64_SCRATCH_REG0 0x0480 +#define MACH64_SCRATCH_REG1 0x0484 +#define MACH64_SECONDARY_TEX_OFF 0x0778 +#define MACH64_SETUP_CNTL 0x0304 +#define MACH64_SRC_CNTL 0x05b4 +# define MACH64_SRC_BM_ENABLE (1 << 8) +# define MACH64_SRC_BM_SYNC (1 << 9) +# define MACH64_SRC_BM_OP_FRAME_TO_SYSTEM (0 << 10) +# define MACH64_SRC_BM_OP_SYSTEM_TO_FRAME (1 << 10) +# define MACH64_SRC_BM_OP_REG_TO_SYSTEM (2 << 10) +# define MACH64_SRC_BM_OP_SYSTEM_TO_REG (3 << 10) +#define MACH64_SRC_HEIGHT1 0x0594 +#define MACH64_SRC_HEIGHT2 0x05ac +#define MACH64_SRC_HEIGHT1_WIDTH1 0x0598 +#define MACH64_SRC_HEIGHT2_WIDTH2 0x05b0 +#define MACH64_SRC_OFF_PITCH 0x0580 +#define MACH64_SRC_WIDTH1 0x0590 +#define MACH64_SRC_Y_X 0x058c + +#define MACH64_TEX_0_OFF 0x05c0 +#define MACH64_TEX_CNTL 0x0774 +#define MACH64_TEX_SIZE_PITCH 0x0770 +#define MACH64_TIMER_CONFIG 0x0428 + +#define MACH64_VERTEX_1_ARGB 0x0254 +#define MACH64_VERTEX_1_S 0x0240 +#define MACH64_VERTEX_1_SECONDARY_S 0x0328 +#define MACH64_VERTEX_1_SECONDARY_T 0x032c +#define MACH64_VERTEX_1_SECONDARY_W 0x0330 +#define MACH64_VERTEX_1_SPEC_ARGB 0x024c +#define MACH64_VERTEX_1_T 0x0244 +#define MACH64_VERTEX_1_W 0x0248 +#define MACH64_VERTEX_1_X_Y 0x0258 +#define MACH64_VERTEX_1_Z 0x0250 +#define MACH64_VERTEX_2_ARGB 0x0274 +#define MACH64_VERTEX_2_S 0x0260 +#define MACH64_VERTEX_2_SECONDARY_S 0x0334 +#define MACH64_VERTEX_2_SECONDARY_T 0x0338 +#define MACH64_VERTEX_2_SECONDARY_W 0x033c +#define MACH64_VERTEX_2_SPEC_ARGB 0x026c +#define MACH64_VERTEX_2_T 0x0264 +#define MACH64_VERTEX_2_W 0x0268 +#define MACH64_VERTEX_2_X_Y 0x0278 +#define MACH64_VERTEX_2_Z 0x0270 +#define MACH64_VERTEX_3_ARGB 0x0294 +#define MACH64_VERTEX_3_S 0x0280 +#define MACH64_VERTEX_3_SECONDARY_S 0x02a0 +#define MACH64_VERTEX_3_SECONDARY_T 0x02a4 +#define MACH64_VERTEX_3_SECONDARY_W 0x02a8 +#define MACH64_VERTEX_3_SPEC_ARGB 0x028c +#define MACH64_VERTEX_3_T 0x0284 +#define MACH64_VERTEX_3_W 0x0288 +#define MACH64_VERTEX_3_X_Y 0x0298 +#define MACH64_VERTEX_3_Z 0x0290 + +#define MACH64_Z_CNTL 0x054c +#define MACH64_Z_OFF_PITCH 0x0548 + +#define MACH64_CRTC_VLINE_CRNT_VLINE 0x0410 +# define MACH64_CRTC_VLINE_MASK 0x000007ff +# define MACH64_CRTC_CRNT_VLINE_MASK 0x07ff0000 +#define MACH64_CRTC_OFF_PITCH 0x0414 +#define MACH64_CRTC_INT_CNTL 0x0418 +# define MACH64_CRTC_VBLANK (1 << 0) +# define MACH64_CRTC_VBLANK_INT_EN (1 << 1) +# define MACH64_CRTC_VBLANK_INT (1 << 2) +# define MACH64_CRTC_VLINE_INT_EN (1 << 3) +# define MACH64_CRTC_VLINE_INT (1 << 4) +# define MACH64_CRTC_VLINE_SYNC (1 << 5) /* 0=even, 1=odd */ +# define MACH64_CRTC_FRAME (1 << 6) /* 0=even, 1=odd */ +# define MACH64_CRTC_SNAPSHOT_INT_EN (1 << 7) +# define MACH64_CRTC_SNAPSHOT_INT (1 << 8) +# define MACH64_CRTC_I2C_INT_EN (1 << 9) +# define MACH64_CRTC_I2C_INT (1 << 10) +# define MACH64_CRTC2_VBLANK (1 << 11) /* LT Pro */ +# define MACH64_CRTC2_VBLANK_INT_EN (1 << 12) /* LT Pro */ +# define MACH64_CRTC2_VBLANK_INT (1 << 13) /* LT Pro */ +# define MACH64_CRTC2_VLINE_INT_EN (1 << 14) /* LT Pro */ +# define MACH64_CRTC2_VLINE_INT (1 << 15) /* LT Pro */ +# define MACH64_CRTC_CAPBUF0_INT_EN (1 << 16) +# define MACH64_CRTC_CAPBUF0_INT (1 << 17) +# define MACH64_CRTC_CAPBUF1_INT_EN (1 << 18) +# define MACH64_CRTC_CAPBUF1_INT (1 << 19) +# define MACH64_CRTC_OVERLAY_EOF_INT_EN (1 << 20) +# define MACH64_CRTC_OVERLAY_EOF_INT (1 << 21) +# define MACH64_CRTC_ONESHOT_CAP_INT_EN (1 << 22) +# define MACH64_CRTC_ONESHOT_CAP_INT (1 << 23) +# define MACH64_CRTC_BUSMASTER_EOL_INT_EN (1 << 24) +# define MACH64_CRTC_BUSMASTER_EOL_INT (1 << 25) +# define MACH64_CRTC_GP_INT_EN (1 << 26) +# define MACH64_CRTC_GP_INT (1 << 27) +# define MACH64_CRTC2_VLINE_SYNC (1 << 28) /* LT Pro */ /* 0=even, 1=odd */ +# define MACH64_CRTC_SNAPSHOT2_INT_EN (1 << 29) /* LT Pro */ +# define MACH64_CRTC_SNAPSHOT2_INT (1 << 30) /* LT Pro */ +# define MACH64_CRTC_VBLANK2_INT (1 << 31) +# define MACH64_CRTC_INT_ENS \ + ( \ + MACH64_CRTC_VBLANK_INT_EN | \ + MACH64_CRTC_VLINE_INT_EN | \ + MACH64_CRTC_SNAPSHOT_INT_EN | \ + MACH64_CRTC_I2C_INT_EN | \ + MACH64_CRTC2_VBLANK_INT_EN | \ + MACH64_CRTC2_VLINE_INT_EN | \ + MACH64_CRTC_CAPBUF0_INT_EN | \ + MACH64_CRTC_CAPBUF1_INT_EN | \ + MACH64_CRTC_OVERLAY_EOF_INT_EN | \ + MACH64_CRTC_ONESHOT_CAP_INT_EN | \ + MACH64_CRTC_BUSMASTER_EOL_INT_EN | \ + MACH64_CRTC_GP_INT_EN | \ + MACH64_CRTC_SNAPSHOT2_INT_EN | \ + 0 \ + ) +# define MACH64_CRTC_INT_ACKS \ + ( \ + MACH64_CRTC_VBLANK_INT | \ + MACH64_CRTC_VLINE_INT | \ + MACH64_CRTC_SNAPSHOT_INT | \ + MACH64_CRTC_I2C_INT | \ + MACH64_CRTC2_VBLANK_INT | \ + MACH64_CRTC2_VLINE_INT | \ + MACH64_CRTC_CAPBUF0_INT | \ + MACH64_CRTC_CAPBUF1_INT | \ + MACH64_CRTC_OVERLAY_EOF_INT | \ + MACH64_CRTC_ONESHOT_CAP_INT | \ + MACH64_CRTC_BUSMASTER_EOL_INT | \ + MACH64_CRTC_GP_INT | \ + MACH64_CRTC_SNAPSHOT2_INT | \ + MACH64_CRTC_VBLANK2_INT | \ + 0 \ + ) + +#define MACH64_DATATYPE_CI8 2 +#define MACH64_DATATYPE_ARGB1555 3 +#define MACH64_DATATYPE_RGB565 4 +#define MACH64_DATATYPE_ARGB8888 6 +#define MACH64_DATATYPE_RGB332 7 +#define MACH64_DATATYPE_Y8 8 +#define MACH64_DATATYPE_RGB8 9 +#define MACH64_DATATYPE_VYUY422 11 +#define MACH64_DATATYPE_YVYU422 12 +#define MACH64_DATATYPE_AYUV444 14 +#define MACH64_DATATYPE_ARGB4444 15 + +#define MACH64_READ(reg) DRM_READ32(dev_priv->mmio, (reg) ) +#define MACH64_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio, (reg), (val) ) + + +#define DWMREG0 0x0400 +#define DWMREG0_END 0x07ff +#define DWMREG1 0x0000 +#define DWMREG1_END 0x03ff + +#define ISREG0(r) (((r) >= DWMREG0) && ((r) <= DWMREG0_END)) +#define DMAREG0(r) (((r) - DWMREG0) >> 2) +#define DMAREG1(r) ((((r) - DWMREG1) >> 2 ) | 0x0100) +#define DMAREG(r) (ISREG0(r) ? DMAREG0(r) : DMAREG1(r)) + +#define MMREG0 0x0000 +#define MMREG0_END 0x00ff + +#define ISMMREG0(r) (((r) >= MMREG0) && ((r) <= MMREG0_END)) +#define MMSELECT0(r) (((r) << 2) + DWMREG0) +#define MMSELECT1(r) (((((r) & 0xff) << 2) + DWMREG1)) +#define MMSELECT(r) (ISMMREG0(r) ? MMSELECT0(r) : MMSELECT1(r)) + +/* ================================================================ + * DMA constants + */ + +/* DMA descriptor field indices: + * The descriptor fields are loaded into the read-only + * BM_* system bus master registers during a bus-master operation + */ +#define MACH64_DMA_FRAME_BUF_OFFSET 0 /* BM_FRAME_BUF_OFFSET */ +#define MACH64_DMA_SYS_MEM_ADDR 1 /* BM_SYSTEM_MEM_ADDR */ +#define MACH64_DMA_COMMAND 2 /* BM_COMMAND */ +#define MACH64_DMA_RESERVED 3 /* BM_STATUS */ + +/* BM_COMMAND descriptor field flags */ +#define MACH64_DMA_HOLD_OFFSET (1<<30) /* Don't increment DMA_FRAME_BUF_OFFSET */ +#define MACH64_DMA_EOL (1<<31) /* End of descriptor list flag */ + +#define MACH64_DMA_CHUNKSIZE 0x1000 /* 4kB per DMA descriptor */ +#define MACH64_APERTURE_OFFSET 0x7ff800 /* frame-buffer offset for gui-masters */ + + +/* ================================================================ + * Misc helper macros + */ + +static __inline__ void mach64_set_dma_eol( volatile u32 * addr ) +{ +#if defined(__i386__) + int nr = 31; + + /* Taken from include/asm-i386/bitops.h linux header */ + __asm__ __volatile__( "lock;" + "btsl %1,%0" + :"=m" (*addr) + :"Ir" (nr)); +#elif defined(__powerpc__) + u32 old; + u32 mask = cpu_to_le32( MACH64_DMA_EOL ); + + /* Taken from the include/asm-ppc/bitops.h linux header */ + __asm__ __volatile__("\n\ +1: lwarx %0,0,%3 \n\ + or %0,%0,%2 \n\ + stwcx. %0,0,%3 \n\ + bne- 1b" + : "=&r" (old), "=m" (*addr) + : "r" (mask), "r" (addr), "m" (*addr) + : "cc"); +#elif defined(__alpha__) + u32 temp; + u32 mask = MACH64_DMA_EOL; + + /* Taken from the include/asm-alpha/bitops.h linux header */ + __asm__ __volatile__( + "1: ldl_l %0,%3\n" + " bis %0,%2,%0\n" + " stl_c %0,%1\n" + " beq %0,2f\n" + ".subsection 2\n" + "2: br 1b\n" + ".previous" + :"=&r" (temp), "=m" (*addr) + :"Ir" (mask), "m" (*addr)); +#else + u32 mask = cpu_to_le32( MACH64_DMA_EOL ); + + *addr |= mask; +#endif +} + +static __inline__ void mach64_clear_dma_eol( volatile u32 * addr ) +{ +#if defined(__i386__) + int nr = 31; + + /* Taken from include/asm-i386/bitops.h linux header */ + __asm__ __volatile__( "lock;" + "btrl %1,%0" + :"=m" (*addr) + :"Ir" (nr)); +#elif defined(__powerpc__) + u32 old; + u32 mask = cpu_to_le32( MACH64_DMA_EOL ); + + /* Taken from the include/asm-ppc/bitops.h linux header */ + __asm__ __volatile__("\n\ +1: lwarx %0,0,%3 \n\ + andc %0,%0,%2 \n\ + stwcx. %0,0,%3 \n\ + bne- 1b" + : "=&r" (old), "=m" (*addr) + : "r" (mask), "r" (addr), "m" (*addr) + : "cc"); +#elif defined(__alpha__) + u32 temp; + u32 mask = ~MACH64_DMA_EOL; + + /* Taken from the include/asm-alpha/bitops.h linux header */ + __asm__ __volatile__( + "1: ldl_l %0,%3\n" + " and %0,%2,%0\n" + " stl_c %0,%1\n" + " beq %0,2f\n" + ".subsection 2\n" + "2: br 1b\n" + ".previous" + :"=&r" (temp), "=m" (*addr) + :"Ir" (mask), "m" (*addr)); +#else + u32 mask = cpu_to_le32( ~MACH64_DMA_EOL ); + + *addr &= mask; +#endif +} + +static __inline__ void mach64_ring_start( drm_mach64_private_t *dev_priv ) +{ + drm_mach64_descriptor_ring_t *ring = &dev_priv->ring; + + DRM_DEBUG( "%s: head_addr: 0x%08x head: %d tail: %d space: %d\n", + __FUNCTION__, + ring->head_addr, ring->head, ring->tail, ring->space ); + + if ( mach64_do_wait_for_idle( dev_priv ) < 0 ) { + mach64_do_engine_reset( dev_priv ); + } + + if (dev_priv->driver_mode != MACH64_MODE_MMIO ) { + /* enable bus mastering and block 1 registers */ + MACH64_WRITE( MACH64_BUS_CNTL, + ( MACH64_READ(MACH64_BUS_CNTL) & ~MACH64_BUS_MASTER_DIS ) + | MACH64_BUS_EXT_REG_EN ); + mach64_do_wait_for_idle( dev_priv ); + } + + /* reset descriptor table ring head */ + MACH64_WRITE( MACH64_BM_GUI_TABLE_CMD, + ring->head_addr | MACH64_CIRCULAR_BUF_SIZE_16KB ); + + dev_priv->ring_running = 1; +} + +static __inline__ void mach64_ring_resume( drm_mach64_private_t *dev_priv, + drm_mach64_descriptor_ring_t *ring ) +{ + DRM_DEBUG( "%s: head_addr: 0x%08x head: %d tail: %d space: %d\n", + __FUNCTION__, + ring->head_addr, ring->head, ring->tail, ring->space ); + + /* reset descriptor table ring head */ + MACH64_WRITE( MACH64_BM_GUI_TABLE_CMD, + ring->head_addr | MACH64_CIRCULAR_BUF_SIZE_16KB ); + + if ( dev_priv->driver_mode == MACH64_MODE_MMIO ) { + mach64_do_dispatch_pseudo_dma( dev_priv ); + } else { + /* enable GUI bus mastering, and sync the bus master to the GUI */ + MACH64_WRITE( MACH64_SRC_CNTL, + MACH64_SRC_BM_ENABLE | MACH64_SRC_BM_SYNC | + MACH64_SRC_BM_OP_SYSTEM_TO_REG ); + + /* kick off the transfer */ + MACH64_WRITE( MACH64_DST_HEIGHT_WIDTH, 0 ); + if ( dev_priv->driver_mode == MACH64_MODE_DMA_SYNC ) { + if ( (mach64_do_wait_for_idle( dev_priv )) < 0 ) { + DRM_ERROR( "%s: idle failed, resetting engine\n", + __FUNCTION__); + mach64_dump_engine_info( dev_priv ); + mach64_do_engine_reset( dev_priv ); + return; + } + mach64_do_release_used_buffers( dev_priv ); + } + } +} + +static __inline__ void mach64_ring_tick( drm_mach64_private_t *dev_priv, + drm_mach64_descriptor_ring_t *ring ) +{ + DRM_DEBUG( "%s: head_addr: 0x%08x head: %d tail: %d space: %d\n", + __FUNCTION__, + ring->head_addr, ring->head, ring->tail, ring->space ); + + if ( !dev_priv->ring_running ) { + mach64_ring_start( dev_priv ); + + if ( ring->head != ring->tail ) { + mach64_ring_resume( dev_priv, ring ); + } + } else { + /* GUI_ACTIVE must be read before BM_GUI_TABLE to + * correctly determine the ring head + */ + int gui_active = MACH64_READ(MACH64_GUI_STAT) & MACH64_GUI_ACTIVE; + + ring->head_addr = MACH64_READ(MACH64_BM_GUI_TABLE) & 0xfffffff0; + + if ( gui_active ) { + /* If not idle, BM_GUI_TABLE points one descriptor + * past the current head + */ + if ( ring->head_addr == ring->start_addr ) { + ring->head_addr += ring->size; + } + ring->head_addr -= 4 * sizeof(u32); + } + + if( ring->head_addr < ring->start_addr || + ring->head_addr >= ring->start_addr + ring->size ) { + DRM_ERROR( "bad ring head address: 0x%08x\n", ring->head_addr ); + mach64_dump_ring_info( dev_priv ); + mach64_do_engine_reset( dev_priv ); + return; + } + + ring->head = (ring->head_addr - ring->start_addr) / sizeof(u32); + + if ( !gui_active && ring->head != ring->tail ) { + mach64_ring_resume( dev_priv, ring ); + } + } +} + +static __inline__ void mach64_ring_stop( drm_mach64_private_t *dev_priv ) +{ + DRM_DEBUG( "%s: head_addr: 0x%08x head: %d tail: %d space: %d\n", + __FUNCTION__, + dev_priv->ring.head_addr, dev_priv->ring.head, + dev_priv->ring.tail, dev_priv->ring.space ); + + /* restore previous SRC_CNTL to disable busmastering */ + mach64_do_wait_for_fifo( dev_priv, 1 ); + MACH64_WRITE( MACH64_SRC_CNTL, 0 ); + + /* disable busmastering but keep the block 1 registers enabled */ + mach64_do_wait_for_idle( dev_priv ); + MACH64_WRITE( MACH64_BUS_CNTL, MACH64_READ( MACH64_BUS_CNTL ) + | MACH64_BUS_MASTER_DIS | MACH64_BUS_EXT_REG_EN ); + + dev_priv->ring_running = 0; +} + +static __inline__ void +mach64_update_ring_snapshot( drm_mach64_private_t *dev_priv ) +{ + drm_mach64_descriptor_ring_t *ring = &dev_priv->ring; + + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + mach64_ring_tick( dev_priv, ring ); + + ring->space = (ring->head - ring->tail) * sizeof(u32); + if ( ring->space <= 0 ) { + ring->space += ring->size; + } +} + +/* ================================================================ + * DMA descriptor ring macros + */ + +#define RING_LOCALS \ + int _ring_tail, _ring_write; unsigned int _ring_mask; volatile u32 *_ring + +#define RING_WRITE_OFS _ring_write + +#define BEGIN_RING( n ) \ +do { \ + if ( MACH64_VERBOSE ) { \ + DRM_INFO( "BEGIN_RING( %d ) in %s\n", \ + (n), __FUNCTION__ ); \ + } \ + if ( dev_priv->ring.space <= (n) * sizeof(u32) ) { \ + int ret; \ + if ((ret=mach64_wait_ring( dev_priv, (n) * sizeof(u32))) < 0 ) { \ + DRM_ERROR( "wait_ring failed, resetting engine\n"); \ + mach64_dump_engine_info( dev_priv ); \ + mach64_do_engine_reset( dev_priv ); \ + return ret; \ + } \ + } \ + dev_priv->ring.space -= (n) * sizeof(u32); \ + _ring = (u32 *) dev_priv->ring.start; \ + _ring_tail = _ring_write = dev_priv->ring.tail; \ + _ring_mask = dev_priv->ring.tail_mask; \ +} while (0) + +#define OUT_RING( x ) \ +do { \ + if ( MACH64_VERBOSE ) { \ + DRM_INFO( " OUT_RING( 0x%08x ) at 0x%x\n", \ + (unsigned int)(x), _ring_write ); \ + } \ + _ring[_ring_write++] = cpu_to_le32( x ); \ + _ring_write &= _ring_mask; \ +} while (0) + +#define ADVANCE_RING() \ +do { \ + if ( MACH64_VERBOSE ) { \ + DRM_INFO( "ADVANCE_RING() wr=0x%06x tail=0x%06x\n", \ + _ring_write, _ring_tail ); \ + } \ + DRM_MEMORYBARRIER(); \ + mach64_clear_dma_eol( &_ring[(_ring_tail - 2) & _ring_mask] ); \ + DRM_MEMORYBARRIER(); \ + dev_priv->ring.tail = _ring_write; \ + mach64_ring_tick( dev_priv, &(dev_priv)->ring ); \ +} while (0) + + +/* ================================================================ + * DMA macros + */ + +#define DMALOCALS \ + drm_mach64_freelist_t *_entry = NULL; \ + drm_buf_t *_buf = NULL; \ + u32 *_buf_wptr; int _outcount + +#define GETBUFPTR( __buf ) \ +((dev_priv->is_pci) ? \ + ((u32 *)(__buf)->address) : \ + ((u32 *)((char *)dev_priv->buffers->handle + (__buf)->offset))) + +#define GETBUFADDR( __buf ) ((u32)(__buf)->bus_address) + +#define GETRINGOFFSET() (_entry->ring_ofs) + +static __inline__ int mach64_find_pending_buf_entry ( drm_mach64_private_t *dev_priv, + drm_mach64_freelist_t **entry, + drm_buf_t *buf ) +{ + struct list_head *ptr; +#if MACH64_EXTRA_CHECKING + if (list_empty(&dev_priv->pending)) { + DRM_ERROR("Empty pending list in %s\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } +#endif + ptr = dev_priv->pending.prev; + *entry = list_entry(ptr, drm_mach64_freelist_t, list); + while ((*entry)->buf != buf) { + if (ptr == &dev_priv->pending) { + return DRM_ERR(EFAULT); + } + ptr = ptr->prev; + *entry = list_entry(ptr, drm_mach64_freelist_t, list); + } + return 0; +} + +#define DMASETPTR( _p ) \ +do { \ + _buf = (_p); \ + _outcount = 0; \ + _buf_wptr = GETBUFPTR( _buf ); \ +} while(0) + +/* FIXME: use a private set of smaller buffers for state emits, clears, and swaps? */ +#define DMAGETPTR( filp, dev_priv, n ) \ +do { \ + if ( MACH64_VERBOSE ) { \ + DRM_INFO( "DMAGETPTR( %d ) in %s\n", \ + n, __FUNCTION__ ); \ + } \ + _buf = mach64_freelist_get( dev_priv ); \ + if (_buf == NULL) { \ + DRM_ERROR("%s: couldn't get buffer in DMAGETPTR\n", \ + __FUNCTION__ ); \ + return DRM_ERR(EAGAIN); \ + } \ + if (_buf->pending) { \ + DRM_ERROR("%s: pending buf in DMAGETPTR\n", \ + __FUNCTION__ ); \ + return DRM_ERR(EFAULT); \ + } \ + _buf->filp = filp; \ + _outcount = 0; \ + \ + _buf_wptr = GETBUFPTR( _buf ); \ +} while (0) + +#define DMAOUTREG( reg, val ) \ +do { \ + if ( MACH64_VERBOSE ) { \ + DRM_INFO( " DMAOUTREG( 0x%x = 0x%08x )\n", \ + reg, val ); \ + } \ + _buf_wptr[_outcount++] = cpu_to_le32(DMAREG(reg)); \ + _buf_wptr[_outcount++] = cpu_to_le32((val)); \ + _buf->used += 8; \ +} while (0) + +#define DMAADVANCE( dev_priv, _discard ) \ +do { \ + struct list_head *ptr; \ + RING_LOCALS; \ + \ + if ( MACH64_VERBOSE ) { \ + DRM_INFO( "DMAADVANCE() in %s\n", __FUNCTION__ ); \ + } \ + \ + if (_buf->used <= 0) { \ + DRM_ERROR( "DMAADVANCE() in %s: sending empty buf %d\n", \ + __FUNCTION__, _buf->idx ); \ + return DRM_ERR(EFAULT); \ + } \ + if (_buf->pending) { \ + /* This is a resued buffer, so we need to find it in the pending list */ \ + int ret; \ + if ( (ret=mach64_find_pending_buf_entry(dev_priv, &_entry, _buf)) ) { \ + DRM_ERROR( "DMAADVANCE() in %s: couldn't find pending buf %d\n", \ + __FUNCTION__, _buf->idx ); \ + return ret; \ + } \ + if (_entry->discard) { \ + DRM_ERROR( "DMAADVANCE() in %s: sending discarded pending buf %d\n", \ + __FUNCTION__, _buf->idx ); \ + return DRM_ERR(EFAULT); \ + } \ + } else { \ + if (list_empty(&dev_priv->placeholders)) { \ + DRM_ERROR( "DMAADVANCE() in %s: empty placeholder list\n", \ + __FUNCTION__ ); \ + return DRM_ERR(EFAULT); \ + } \ + ptr = dev_priv->placeholders.next; \ + list_del(ptr); \ + _entry = list_entry(ptr, drm_mach64_freelist_t, list); \ + _buf->pending = 1; \ + _entry->buf = _buf; \ + list_add_tail(ptr, &dev_priv->pending); \ + } \ + _entry->discard = (_discard); \ + ADD_BUF_TO_RING( dev_priv ); \ +} while (0) + +#define DMADISCARDBUF() \ +do { \ + if (_entry == NULL) { \ + int ret; \ + if ( (ret=mach64_find_pending_buf_entry(dev_priv, &_entry, _buf)) ) { \ + DRM_ERROR( "%s: couldn't find pending buf %d\n", \ + __FUNCTION__, _buf->idx ); \ + return ret; \ + } \ + } \ + _entry->discard = 1; \ +} while(0) + +#define ADD_BUF_TO_RING( dev_priv ) \ +do { \ + int bytes, pages, remainder; \ + u32 address, page; \ + int i; \ + \ + bytes = _buf->used; \ + address = GETBUFADDR( _buf ); \ + \ + pages = (bytes + MACH64_DMA_CHUNKSIZE - 1) / MACH64_DMA_CHUNKSIZE; \ + \ + BEGIN_RING( pages * 4 ); \ + \ + for ( i = 0 ; i < pages-1 ; i++ ) { \ + page = address + i * MACH64_DMA_CHUNKSIZE; \ + OUT_RING( MACH64_APERTURE_OFFSET + MACH64_BM_ADDR ); \ + OUT_RING( page ); \ + OUT_RING( MACH64_DMA_CHUNKSIZE | MACH64_DMA_HOLD_OFFSET ); \ + OUT_RING( 0 ); \ + } \ + \ + /* generate the final descriptor for any remaining commands in this buffer */ \ + page = address + i * MACH64_DMA_CHUNKSIZE; \ + remainder = bytes - i * MACH64_DMA_CHUNKSIZE; \ + \ + /* Save dword offset of last descriptor for this buffer. \ + * This is needed to check for completion of the buffer in freelist_get \ + */ \ + _entry->ring_ofs = RING_WRITE_OFS; \ + \ + OUT_RING( MACH64_APERTURE_OFFSET + MACH64_BM_ADDR ); \ + OUT_RING( page ); \ + OUT_RING( remainder | MACH64_DMA_HOLD_OFFSET | MACH64_DMA_EOL ); \ + OUT_RING( 0 ); \ + \ + ADVANCE_RING(); \ +} while(0) + +#define DMAADVANCEHOSTDATA( dev_priv ) \ +do { \ + struct list_head *ptr; \ + RING_LOCALS; \ + \ + if ( MACH64_VERBOSE ) { \ + DRM_INFO( "DMAADVANCEHOSTDATA() in %s\n", __FUNCTION__ ); \ + } \ + \ + if (_buf->used <= 0) { \ + DRM_ERROR( "DMAADVANCEHOSTDATA() in %s: sending empty buf %d\n", \ + __FUNCTION__, _buf->idx ); \ + return DRM_ERR(EFAULT); \ + } \ + if (list_empty(&dev_priv->placeholders)) { \ + DRM_ERROR( "%s: empty placeholder list in DMAADVANCEHOSTDATA()\n", \ + __FUNCTION__ ); \ + return DRM_ERR(EFAULT); \ + } \ + \ + ptr = dev_priv->placeholders.next; \ + list_del(ptr); \ + _entry = list_entry(ptr, drm_mach64_freelist_t, list); \ + _entry->buf = _buf; \ + _entry->buf->pending = 1; \ + list_add_tail(ptr, &dev_priv->pending); \ + _entry->discard = 1; \ + ADD_HOSTDATA_BUF_TO_RING( dev_priv ); \ +} while (0) + +#define ADD_HOSTDATA_BUF_TO_RING( dev_priv ) \ +do { \ + int bytes, pages, remainder; \ + u32 address, page; \ + int i; \ + \ + bytes = _buf->used - MACH64_HOSTDATA_BLIT_OFFSET; \ + pages = (bytes + MACH64_DMA_CHUNKSIZE - 1) / MACH64_DMA_CHUNKSIZE; \ + address = GETBUFADDR( _buf ); \ + \ + BEGIN_RING( 4 + pages * 4 ); \ + \ + OUT_RING( MACH64_APERTURE_OFFSET + MACH64_BM_ADDR ); \ + OUT_RING( address ); \ + OUT_RING( MACH64_HOSTDATA_BLIT_OFFSET | MACH64_DMA_HOLD_OFFSET ); \ + OUT_RING( 0 ); \ + \ + address += MACH64_HOSTDATA_BLIT_OFFSET; \ + \ + for ( i = 0 ; i < pages-1 ; i++ ) { \ + page = address + i * MACH64_DMA_CHUNKSIZE; \ + OUT_RING( MACH64_APERTURE_OFFSET + MACH64_BM_HOSTDATA ); \ + OUT_RING( page ); \ + OUT_RING( MACH64_DMA_CHUNKSIZE | MACH64_DMA_HOLD_OFFSET ); \ + OUT_RING( 0 ); \ + } \ + \ + /* generate the final descriptor for any remaining commands in this buffer */ \ + page = address + i * MACH64_DMA_CHUNKSIZE; \ + remainder = bytes - i * MACH64_DMA_CHUNKSIZE; \ + \ + /* Save dword offset of last descriptor for this buffer. \ + * This is needed to check for completion of the buffer in freelist_get \ + */ \ + _entry->ring_ofs = RING_WRITE_OFS; \ + \ + OUT_RING( MACH64_APERTURE_OFFSET + MACH64_BM_HOSTDATA ); \ + OUT_RING( page ); \ + OUT_RING( remainder | MACH64_DMA_HOLD_OFFSET | MACH64_DMA_EOL ); \ + OUT_RING( 0 ); \ + \ + ADVANCE_RING(); \ +} while(0) + +#endif /* __MACH64_DRV_H__ */ |