/* 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 * Frank C. Earl * Leif Delgass * José Fonseca */ #ifndef __MACH64_DRV_H__ #define __MACH64_DRV_H__ /* General customization: */ #define DRIVER_AUTHOR "Gareth Hughes, Leif Delgass, José Fonseca" #define DRIVER_NAME "mach64" #define DRIVER_DESC "DRM module for the ATI Rage Pro" #define DRIVER_DATE "20060718" #define DRIVER_MAJOR 2 #define DRIVER_MINOR 0 #define DRIVER_PATCHLEVEL 0 /* 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 */ struct drm_buf *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 { 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 { struct device dev; struct device *drmdev; pci_chipset_tag_t pc; pci_intr_handle_t ih; void *irqh; struct vga_pci_bar *regs; 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; atomic_t vbl_received; /**< Number of vblanks received. */ 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 *ring_map; drm_local_map_t *dev_buffers; /* this is a pointer to a structure in dev */ drm_local_map_t *agp_textures; } drm_mach64_private_t; /* mach64_dma.c */ extern int mach64_dma_init(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int mach64_dma_idle(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int mach64_dma_flush(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int mach64_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int mach64_dma_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv); extern void mach64_driver_lastclose(struct drm_device * dev); extern int mach64_init_freelist(struct drm_device * dev); extern void mach64_destroy_freelist(struct drm_device * dev); extern struct drm_buf *mach64_freelist_get(drm_mach64_private_t * dev_priv); extern int mach64_freelist_put(drm_mach64_private_t * dev_priv, struct drm_buf * copy_buf); 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_add_buf_to_ring(drm_mach64_private_t *dev_priv, drm_mach64_freelist_t *_entry); extern int mach64_add_hostdata_buf_to_ring(drm_mach64_private_t *dev_priv, drm_mach64_freelist_t *_entry); 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(struct drm_device * dev); /* mach64_state.c */ extern int mach64_dma_clear(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int mach64_dma_swap(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int mach64_dma_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int mach64_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int mach64_get_param(struct drm_device *dev, void *data, struct drm_file *file_priv); extern u32 mach64_get_vblank_counter(struct drm_device *dev, int crtc); extern int mach64_enable_vblank(struct drm_device *dev, int crtc); extern void mach64_disable_vblank(struct drm_device *dev, int crtc); extern irqreturn_t mach64_driver_irq_handler(DRM_IRQ_ARGS); extern int mach64_driver_irq_install(struct drm_device *dev); extern void mach64_driver_irq_uninstall(struct drm_device *dev); /* ================================================================ * 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) bus_space_read_4(dev_priv->regs->bst, \ dev_priv->regs->bsh, (reg)) #define MACH64_WRITE(reg,val) bus_space_write_4(dev_priv->regs->bst, \ dev_priv->regs->bsh, (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 */ /* ================================================================ * Ring operations * * Since the Mach64 bus master engine requires polling, these functions end * up being called frequently, hence being inline. */ static __inline__ void mach64_ring_start(drm_mach64_private_t * dev_priv) { drm_mach64_descriptor_ring_t *ring = &dev_priv->ring; DRM_DEBUG("head_addr: 0x%08x head: %d tail: %d space: %d\n", 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("head_addr: 0x%08x head: %d tail: %d space: %d\n", 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("idle failed, resetting engine\n"); mach64_dump_engine_info(dev_priv); mach64_do_engine_reset(dev_priv); return; } mach64_do_release_used_buffers(dev_priv); } } } /** * Poll the ring head and make sure the bus master is alive. * * Mach64's bus master engine will stop if there are no more entries to process. * This function polls the engine for the last processed entry and calls * mach64_ring_resume if there is an unprocessed entry. * * Note also that, since we update the ring tail while the bus master engine is * in operation, it is possible that the last tail update was too late to be * processed, and the bus master engine stops at the previous tail position. * Therefore it is important to call this function frequently. */ static __inline__ void mach64_ring_tick(drm_mach64_private_t * dev_priv, drm_mach64_descriptor_ring_t * ring) { DRM_DEBUG("head_addr: 0x%08x head: %d tail: %d space: %d\n", 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("head_addr: 0x%08x head: %d tail: %d space: %d\n", 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("\n"); mach64_ring_tick(dev_priv, ring); ring->space = (ring->head - ring->tail) * sizeof(u32); if (ring->space <= 0) { ring->space += ring->size; } } /* ================================================================ * DMA macros * * Mach64's ring buffer doesn't take register writes directly. These * have to be written indirectly in DMA buffers. These macros simplify * the task of setting up a buffer, writing commands to it, and * queuing the buffer in the ring. */ #define DMALOCALS \ drm_mach64_freelist_t *_entry = NULL; \ struct drm_buf *_buf = NULL; \ u32 *_buf_wptr; int _outcount #define GETBUFPTR( __buf ) \ ((dev_priv->is_pci) ? \ ((u32 *)(__buf)->address) : \ ((u32 *)((char *)dev_priv->dev_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, struct drm_buf * buf) { struct list_head *ptr; #if MACH64_EXTRA_CHECKING if (list_empty(&dev_priv->pending)) { DRM_ERROR("Empty pending list in \n"); return 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 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( file_priv, dev_priv, n ) \ do { \ if ( MACH64_VERBOSE ) { \ DRM_INFO( "DMAGETPTR( %d )\n", (n) ); \ } \ _buf = mach64_freelist_get( dev_priv ); \ if (_buf == NULL) { \ DRM_ERROR("couldn't get buffer in DMAGETPTR\n"); \ return EAGAIN; \ } \ if (_buf->pending) { \ DRM_ERROR("pending buf in DMAGETPTR\n"); \ return EFAULT; \ } \ _buf->file_priv = file_priv; \ _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; \ int ret; \ \ if ( MACH64_VERBOSE ) { \ DRM_INFO( "DMAADVANCE() in \n" ); \ } \ \ if (_buf->used <= 0) { \ DRM_ERROR( "DMAADVANCE(): sending empty buf %d\n", \ _buf->idx ); \ return EFAULT; \ } \ if (_buf->pending) { \ /* This is a resued buffer, so we need to find it in the pending list */ \ if ((ret = mach64_find_pending_buf_entry(dev_priv, &_entry, _buf))) { \ DRM_ERROR( "DMAADVANCE(): couldn't find pending buf %d\n", _buf->idx ); \ return ret; \ } \ if (_entry->discard) { \ DRM_ERROR( "DMAADVANCE(): sending discarded pending buf %d\n", _buf->idx ); \ return EFAULT; \ } \ } else { \ if (list_empty(&dev_priv->placeholders)) { \ DRM_ERROR( "DMAADVANCE(): empty placeholder list\n"); \ return 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); \ if ((ret = mach64_add_buf_to_ring( dev_priv, _entry ))) \ return ret; \ } while (0) #define DMADISCARDBUF() \ do { \ if (_entry == NULL) { \ int ret; \ if ((ret = mach64_find_pending_buf_entry(dev_priv, &_entry, _buf))) { \ DRM_ERROR( "couldn't find pending buf %d\n", \ _buf->idx ); \ return ret; \ } \ } \ _entry->discard = 1; \ } while(0) #define DMAADVANCEHOSTDATA( dev_priv ) \ do { \ struct list_head *ptr; \ int ret; \ \ if ( MACH64_VERBOSE ) { \ DRM_INFO( "DMAADVANCEHOSTDATA() in \n" ); \ } \ \ if (_buf->used <= 0) { \ DRM_ERROR( "DMAADVANCEHOSTDATA(): sending empty buf %d\n", _buf->idx ); \ return EFAULT; \ } \ if (list_empty(&dev_priv->placeholders)) { \ DRM_ERROR( "empty placeholder list in DMAADVANCEHOSTDATA()\n" ); \ return 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; \ if ((ret = mach64_add_hostdata_buf_to_ring( dev_priv, _entry ))) \ return ret; \ } while (0) #endif /* __MACH64_DRV_H__ */