1/* mach64_drv.h -- Private header for mach64 driver -*- linux-c -*- 2 * Created: Fri Nov 24 22:07:58 2000 by gareth@valinux.com 3 */ 4/*- 5 * Copyright 2000 Gareth Hughes 6 * Copyright 2002 Frank C. Earl 7 * Copyright 2002-2003 Leif Delgass 8 * All Rights Reserved. 9 * 10 * Permission is hereby granted, free of charge, to any person obtaining a 11 * copy of this software and associated documentation files (the "Software"), 12 * to deal in the Software without restriction, including without limitation 13 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 14 * and/or sell copies of the Software, and to permit persons to whom the 15 * Software is furnished to do so, subject to the following conditions: 16 * 17 * The above copyright notice and this permission notice (including the next 18 * paragraph) shall be included in all copies or substantial portions of the 19 * Software. 20 * 21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 24 * THE COPYRIGHT OWNER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 25 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 26 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 * 28 * Authors: 29 * Gareth Hughes <gareth@valinux.com> 30 * Frank C. Earl <fearl@airmail.net> 31 * Leif Delgass <ldelgass@retinalburn.net> 32 * José Fonseca <j_r_fonseca@yahoo.co.uk> 33 */ 34 35#include <sys/cdefs.h> 36__FBSDID("$FreeBSD$"); 37 38#ifndef __MACH64_DRV_H__ 39#define __MACH64_DRV_H__ 40 41/* General customization: 42 */ 43 44#define DRIVER_AUTHOR "Gareth Hughes, Leif Delgass, José Fonseca" 45 46#define DRIVER_NAME "mach64" 47#define DRIVER_DESC "DRM module for the ATI Rage Pro" 48#define DRIVER_DATE "20060718" 49 50#define DRIVER_MAJOR 2 51#define DRIVER_MINOR 0 52#define DRIVER_PATCHLEVEL 0 53 54/* FIXME: remove these when not needed */ 55/* Development driver options */ 56#define MACH64_EXTRA_CHECKING 0 /* Extra sanity checks for DMA/freelist management */ 57#define MACH64_VERBOSE 0 /* Verbose debugging output */ 58 59typedef struct drm_mach64_freelist { 60 struct list_head list; /* List pointers for free_list, placeholders, or pending list */ 61 struct drm_buf *buf; /* Pointer to the buffer */ 62 int discard; /* This flag is set when we're done (re)using a buffer */ 63 u32 ring_ofs; /* dword offset in ring of last descriptor for this buffer */ 64} drm_mach64_freelist_t; 65 66typedef struct drm_mach64_descriptor_ring { 67 void *start; /* write pointer (cpu address) to start of descriptor ring */ 68 u32 start_addr; /* bus address of beginning of descriptor ring */ 69 int size; /* size of ring in bytes */ 70 71 u32 head_addr; /* bus address of descriptor ring head */ 72 u32 head; /* dword offset of descriptor ring head */ 73 u32 tail; /* dword offset of descriptor ring tail */ 74 u32 tail_mask; /* mask used to wrap ring */ 75 int space; /* number of free bytes in ring */ 76} drm_mach64_descriptor_ring_t; 77 78typedef struct drm_mach64_private { 79 drm_mach64_sarea_t *sarea_priv; 80 81 int is_pci; 82 drm_mach64_dma_mode_t driver_mode; /* Async DMA, sync DMA, or MMIO */ 83 84 int usec_timeout; /* Timeout for the wait functions */ 85 86 drm_mach64_descriptor_ring_t ring; /* DMA descriptor table (ring buffer) */ 87 int ring_running; /* Is bus mastering is enabled */ 88 89 struct list_head free_list; /* Free-list head */ 90 struct list_head placeholders; /* Placeholder list for buffers held by clients */ 91 struct list_head pending; /* Buffers pending completion */ 92 93 u32 frame_ofs[MACH64_MAX_QUEUED_FRAMES]; /* dword ring offsets of most recent frame swaps */ 94 95 unsigned int fb_bpp; 96 unsigned int front_offset, front_pitch; 97 unsigned int back_offset, back_pitch; 98 99 unsigned int depth_bpp; 100 unsigned int depth_offset, depth_pitch; 101 102 atomic_t vbl_received; /**< Number of vblanks received. */ 103 104 u32 front_offset_pitch; 105 u32 back_offset_pitch; 106 u32 depth_offset_pitch; 107 108 drm_local_map_t *sarea; 109 drm_local_map_t *fb; 110 drm_local_map_t *mmio; 111 drm_local_map_t *ring_map; 112 drm_local_map_t *dev_buffers; /* this is a pointer to a structure in dev */ 113 drm_local_map_t *agp_textures; 114} drm_mach64_private_t; 115 116extern struct drm_ioctl_desc mach64_ioctls[]; 117extern int mach64_max_ioctl; 118 119 /* mach64_dma.c */ 120extern int mach64_dma_init(struct drm_device *dev, void *data, 121 struct drm_file *file_priv); 122extern int mach64_dma_idle(struct drm_device *dev, void *data, 123 struct drm_file *file_priv); 124extern int mach64_dma_flush(struct drm_device *dev, void *data, 125 struct drm_file *file_priv); 126extern int mach64_engine_reset(struct drm_device *dev, void *data, 127 struct drm_file *file_priv); 128extern int mach64_dma_buffers(struct drm_device *dev, void *data, 129 struct drm_file *file_priv); 130extern void mach64_driver_lastclose(struct drm_device * dev); 131 132extern int mach64_init_freelist(struct drm_device * dev); 133extern void mach64_destroy_freelist(struct drm_device * dev); 134extern struct drm_buf *mach64_freelist_get(drm_mach64_private_t * dev_priv); 135extern int mach64_freelist_put(drm_mach64_private_t * dev_priv, 136 struct drm_buf * copy_buf); 137 138extern int mach64_do_wait_for_fifo(drm_mach64_private_t * dev_priv, 139 int entries); 140extern int mach64_do_wait_for_idle(drm_mach64_private_t * dev_priv); 141extern int mach64_wait_ring(drm_mach64_private_t * dev_priv, int n); 142extern int mach64_do_dispatch_pseudo_dma(drm_mach64_private_t * dev_priv); 143extern int mach64_do_release_used_buffers(drm_mach64_private_t * dev_priv); 144extern void mach64_dump_engine_info(drm_mach64_private_t * dev_priv); 145extern void mach64_dump_ring_info(drm_mach64_private_t * dev_priv); 146extern int mach64_do_engine_reset(drm_mach64_private_t * dev_priv); 147 148extern int mach64_add_buf_to_ring(drm_mach64_private_t *dev_priv, 149 drm_mach64_freelist_t *_entry); 150extern int mach64_add_hostdata_buf_to_ring(drm_mach64_private_t *dev_priv, 151 drm_mach64_freelist_t *_entry); 152 153extern int mach64_do_dma_idle(drm_mach64_private_t * dev_priv); 154extern int mach64_do_dma_flush(drm_mach64_private_t * dev_priv); 155extern int mach64_do_cleanup_dma(struct drm_device * dev); 156 157 /* mach64_state.c */ 158extern int mach64_dma_clear(struct drm_device *dev, void *data, 159 struct drm_file *file_priv); 160extern int mach64_dma_swap(struct drm_device *dev, void *data, 161 struct drm_file *file_priv); 162extern int mach64_dma_vertex(struct drm_device *dev, void *data, 163 struct drm_file *file_priv); 164extern int mach64_dma_blit(struct drm_device *dev, void *data, 165 struct drm_file *file_priv); 166extern int mach64_get_param(struct drm_device *dev, void *data, 167 struct drm_file *file_priv); 168 169extern int mach64_driver_load(struct drm_device * dev, unsigned long flags); 170extern u32 mach64_get_vblank_counter(struct drm_device *dev, int crtc); 171extern int mach64_enable_vblank(struct drm_device *dev, int crtc); 172extern void mach64_disable_vblank(struct drm_device *dev, int crtc); 173extern irqreturn_t mach64_driver_irq_handler(DRM_IRQ_ARGS); 174extern void mach64_driver_irq_preinstall(struct drm_device *dev); 175extern int mach64_driver_irq_postinstall(struct drm_device *dev); 176extern void mach64_driver_irq_uninstall(struct drm_device *dev); 177 178/* ================================================================ 179 * Registers 180 */ 181 182#define MACH64_AGP_BASE 0x0148 183#define MACH64_AGP_CNTL 0x014c 184#define MACH64_ALPHA_TST_CNTL 0x0550 185 186#define MACH64_DSP_CONFIG 0x0420 187#define MACH64_DSP_ON_OFF 0x0424 188#define MACH64_EXT_MEM_CNTL 0x04ac 189#define MACH64_GEN_TEST_CNTL 0x04d0 190#define MACH64_HW_DEBUG 0x047c 191#define MACH64_MEM_ADDR_CONFIG 0x0434 192#define MACH64_MEM_BUF_CNTL 0x042c 193#define MACH64_MEM_CNTL 0x04b0 194 195#define MACH64_BM_ADDR 0x0648 196#define MACH64_BM_COMMAND 0x0188 197#define MACH64_BM_DATA 0x0648 198#define MACH64_BM_FRAME_BUF_OFFSET 0x0180 199#define MACH64_BM_GUI_TABLE 0x01b8 200#define MACH64_BM_GUI_TABLE_CMD 0x064c 201# define MACH64_CIRCULAR_BUF_SIZE_16KB (0 << 0) 202# define MACH64_CIRCULAR_BUF_SIZE_32KB (1 << 0) 203# define MACH64_CIRCULAR_BUF_SIZE_64KB (2 << 0) 204# define MACH64_CIRCULAR_BUF_SIZE_128KB (3 << 0) 205# define MACH64_LAST_DESCRIPTOR (1U << 31) 206#define MACH64_BM_HOSTDATA 0x0644 207#define MACH64_BM_STATUS 0x018c 208#define MACH64_BM_SYSTEM_MEM_ADDR 0x0184 209#define MACH64_BM_SYSTEM_TABLE 0x01bc 210#define MACH64_BUS_CNTL 0x04a0 211# define MACH64_BUS_MSTR_RESET (1 << 1) 212# define MACH64_BUS_APER_REG_DIS (1 << 4) 213# define MACH64_BUS_FLUSH_BUF (1 << 2) 214# define MACH64_BUS_MASTER_DIS (1 << 6) 215# define MACH64_BUS_EXT_REG_EN (1 << 27) 216 217#define MACH64_CLR_CMP_CLR 0x0700 218#define MACH64_CLR_CMP_CNTL 0x0708 219#define MACH64_CLR_CMP_MASK 0x0704 220#define MACH64_CONFIG_CHIP_ID 0x04e0 221#define MACH64_CONFIG_CNTL 0x04dc 222#define MACH64_CONFIG_STAT0 0x04e4 223#define MACH64_CONFIG_STAT1 0x0494 224#define MACH64_CONFIG_STAT2 0x0498 225#define MACH64_CONTEXT_LOAD_CNTL 0x072c 226#define MACH64_CONTEXT_MASK 0x0720 227#define MACH64_COMPOSITE_SHADOW_ID 0x0798 228#define MACH64_CRC_SIG 0x04e8 229#define MACH64_CUSTOM_MACRO_CNTL 0x04d4 230 231#define MACH64_DP_BKGD_CLR 0x06c0 232#define MACH64_DP_FOG_CLR 0x06c4 233#define MACH64_DP_FGRD_BKGD_CLR 0x06e0 234#define MACH64_DP_FRGD_CLR 0x06c4 235#define MACH64_DP_FGRD_CLR_MIX 0x06dc 236 237#define MACH64_DP_MIX 0x06d4 238# define BKGD_MIX_NOT_D (0 << 0) 239# define BKGD_MIX_ZERO (1 << 0) 240# define BKGD_MIX_ONE (2 << 0) 241# define MACH64_BKGD_MIX_D (3 << 0) 242# define BKGD_MIX_NOT_S (4 << 0) 243# define BKGD_MIX_D_XOR_S (5 << 0) 244# define BKGD_MIX_NOT_D_XOR_S (6 << 0) 245# define MACH64_BKGD_MIX_S (7 << 0) 246# define BKGD_MIX_NOT_D_OR_NOT_S (8 << 0) 247# define BKGD_MIX_D_OR_NOT_S (9 << 0) 248# define BKGD_MIX_NOT_D_OR_S (10 << 0) 249# define BKGD_MIX_D_OR_S (11 << 0) 250# define BKGD_MIX_D_AND_S (12 << 0) 251# define BKGD_MIX_NOT_D_AND_S (13 << 0) 252# define BKGD_MIX_D_AND_NOT_S (14 << 0) 253# define BKGD_MIX_NOT_D_AND_NOT_S (15 << 0) 254# define BKGD_MIX_D_PLUS_S_DIV2 (23 << 0) 255# define FRGD_MIX_NOT_D (0 << 16) 256# define FRGD_MIX_ZERO (1 << 16) 257# define FRGD_MIX_ONE (2 << 16) 258# define FRGD_MIX_D (3 << 16) 259# define FRGD_MIX_NOT_S (4 << 16) 260# define FRGD_MIX_D_XOR_S (5 << 16) 261# define FRGD_MIX_NOT_D_XOR_S (6 << 16) 262# define MACH64_FRGD_MIX_S (7 << 16) 263# define FRGD_MIX_NOT_D_OR_NOT_S (8 << 16) 264# define FRGD_MIX_D_OR_NOT_S (9 << 16) 265# define FRGD_MIX_NOT_D_OR_S (10 << 16) 266# define FRGD_MIX_D_OR_S (11 << 16) 267# define FRGD_MIX_D_AND_S (12 << 16) 268# define FRGD_MIX_NOT_D_AND_S (13 << 16) 269# define FRGD_MIX_D_AND_NOT_S (14 << 16) 270# define FRGD_MIX_NOT_D_AND_NOT_S (15 << 16) 271# define FRGD_MIX_D_PLUS_S_DIV2 (23 << 16) 272 273#define MACH64_DP_PIX_WIDTH 0x06d0 274# define MACH64_HOST_TRIPLE_ENABLE (1 << 13) 275# define MACH64_BYTE_ORDER_MSB_TO_LSB (0 << 24) 276# define MACH64_BYTE_ORDER_LSB_TO_MSB (1 << 24) 277 278#define MACH64_DP_SRC 0x06d8 279# define MACH64_BKGD_SRC_BKGD_CLR (0 << 0) 280# define MACH64_BKGD_SRC_FRGD_CLR (1 << 0) 281# define MACH64_BKGD_SRC_HOST (2 << 0) 282# define MACH64_BKGD_SRC_BLIT (3 << 0) 283# define MACH64_BKGD_SRC_PATTERN (4 << 0) 284# define MACH64_BKGD_SRC_3D (5 << 0) 285# define MACH64_FRGD_SRC_BKGD_CLR (0 << 8) 286# define MACH64_FRGD_SRC_FRGD_CLR (1 << 8) 287# define MACH64_FRGD_SRC_HOST (2 << 8) 288# define MACH64_FRGD_SRC_BLIT (3 << 8) 289# define MACH64_FRGD_SRC_PATTERN (4 << 8) 290# define MACH64_FRGD_SRC_3D (5 << 8) 291# define MACH64_MONO_SRC_ONE (0 << 16) 292# define MACH64_MONO_SRC_PATTERN (1 << 16) 293# define MACH64_MONO_SRC_HOST (2 << 16) 294# define MACH64_MONO_SRC_BLIT (3 << 16) 295 296#define MACH64_DP_WRITE_MASK 0x06c8 297 298#define MACH64_DST_CNTL 0x0530 299# define MACH64_DST_X_RIGHT_TO_LEFT (0 << 0) 300# define MACH64_DST_X_LEFT_TO_RIGHT (1 << 0) 301# define MACH64_DST_Y_BOTTOM_TO_TOP (0 << 1) 302# define MACH64_DST_Y_TOP_TO_BOTTOM (1 << 1) 303# define MACH64_DST_X_MAJOR (0 << 2) 304# define MACH64_DST_Y_MAJOR (1 << 2) 305# define MACH64_DST_X_TILE (1 << 3) 306# define MACH64_DST_Y_TILE (1 << 4) 307# define MACH64_DST_LAST_PEL (1 << 5) 308# define MACH64_DST_POLYGON_ENABLE (1 << 6) 309# define MACH64_DST_24_ROTATION_ENABLE (1 << 7) 310 311#define MACH64_DST_HEIGHT_WIDTH 0x0518 312#define MACH64_DST_OFF_PITCH 0x0500 313#define MACH64_DST_WIDTH_HEIGHT 0x06ec 314#define MACH64_DST_X_Y 0x06e8 315#define MACH64_DST_Y_X 0x050c 316 317#define MACH64_FIFO_STAT 0x0710 318# define MACH64_FIFO_SLOT_MASK 0x0000ffff 319# define MACH64_FIFO_ERR (1U << 31) 320 321#define MACH64_GEN_TEST_CNTL 0x04d0 322# define MACH64_GUI_ENGINE_ENABLE (1 << 8) 323#define MACH64_GUI_CMDFIFO_DEBUG 0x0170 324#define MACH64_GUI_CMDFIFO_DATA 0x0174 325#define MACH64_GUI_CNTL 0x0178 326# define MACH64_CMDFIFO_SIZE_MASK 0x00000003ul 327# define MACH64_CMDFIFO_SIZE_192 0x00000000ul 328# define MACH64_CMDFIFO_SIZE_128 0x00000001ul 329# define MACH64_CMDFIFO_SIZE_64 0x00000002ul 330#define MACH64_GUI_STAT 0x0738 331# define MACH64_GUI_ACTIVE (1 << 0) 332#define MACH64_GUI_TRAJ_CNTL 0x0730 333 334#define MACH64_HOST_CNTL 0x0640 335#define MACH64_HOST_DATA0 0x0600 336 337#define MACH64_ONE_OVER_AREA 0x029c 338#define MACH64_ONE_OVER_AREA_UC 0x0300 339 340#define MACH64_PAT_REG0 0x0680 341#define MACH64_PAT_REG1 0x0684 342 343#define MACH64_SC_LEFT 0x06a0 344#define MACH64_SC_RIGHT 0x06a4 345#define MACH64_SC_LEFT_RIGHT 0x06a8 346#define MACH64_SC_TOP 0x06ac 347#define MACH64_SC_BOTTOM 0x06b0 348#define MACH64_SC_TOP_BOTTOM 0x06b4 349 350#define MACH64_SCALE_3D_CNTL 0x05fc 351#define MACH64_SCRATCH_REG0 0x0480 352#define MACH64_SCRATCH_REG1 0x0484 353#define MACH64_SECONDARY_TEX_OFF 0x0778 354#define MACH64_SETUP_CNTL 0x0304 355#define MACH64_SRC_CNTL 0x05b4 356# define MACH64_SRC_BM_ENABLE (1 << 8) 357# define MACH64_SRC_BM_SYNC (1 << 9) 358# define MACH64_SRC_BM_OP_FRAME_TO_SYSTEM (0 << 10) 359# define MACH64_SRC_BM_OP_SYSTEM_TO_FRAME (1 << 10) 360# define MACH64_SRC_BM_OP_REG_TO_SYSTEM (2 << 10) 361# define MACH64_SRC_BM_OP_SYSTEM_TO_REG (3 << 10) 362#define MACH64_SRC_HEIGHT1 0x0594 363#define MACH64_SRC_HEIGHT2 0x05ac 364#define MACH64_SRC_HEIGHT1_WIDTH1 0x0598 365#define MACH64_SRC_HEIGHT2_WIDTH2 0x05b0 366#define MACH64_SRC_OFF_PITCH 0x0580 367#define MACH64_SRC_WIDTH1 0x0590 368#define MACH64_SRC_Y_X 0x058c 369 370#define MACH64_TEX_0_OFF 0x05c0 371#define MACH64_TEX_CNTL 0x0774 372#define MACH64_TEX_SIZE_PITCH 0x0770 373#define MACH64_TIMER_CONFIG 0x0428 374 375#define MACH64_VERTEX_1_ARGB 0x0254 376#define MACH64_VERTEX_1_S 0x0240 377#define MACH64_VERTEX_1_SECONDARY_S 0x0328 378#define MACH64_VERTEX_1_SECONDARY_T 0x032c 379#define MACH64_VERTEX_1_SECONDARY_W 0x0330 380#define MACH64_VERTEX_1_SPEC_ARGB 0x024c 381#define MACH64_VERTEX_1_T 0x0244 382#define MACH64_VERTEX_1_W 0x0248 383#define MACH64_VERTEX_1_X_Y 0x0258 384#define MACH64_VERTEX_1_Z 0x0250 385#define MACH64_VERTEX_2_ARGB 0x0274 386#define MACH64_VERTEX_2_S 0x0260 387#define MACH64_VERTEX_2_SECONDARY_S 0x0334 388#define MACH64_VERTEX_2_SECONDARY_T 0x0338 389#define MACH64_VERTEX_2_SECONDARY_W 0x033c 390#define MACH64_VERTEX_2_SPEC_ARGB 0x026c 391#define MACH64_VERTEX_2_T 0x0264 392#define MACH64_VERTEX_2_W 0x0268 393#define MACH64_VERTEX_2_X_Y 0x0278 394#define MACH64_VERTEX_2_Z 0x0270 395#define MACH64_VERTEX_3_ARGB 0x0294 396#define MACH64_VERTEX_3_S 0x0280 397#define MACH64_VERTEX_3_SECONDARY_S 0x02a0 398#define MACH64_VERTEX_3_SECONDARY_T 0x02a4 399#define MACH64_VERTEX_3_SECONDARY_W 0x02a8 400#define MACH64_VERTEX_3_SPEC_ARGB 0x028c 401#define MACH64_VERTEX_3_T 0x0284 402#define MACH64_VERTEX_3_W 0x0288 403#define MACH64_VERTEX_3_X_Y 0x0298 404#define MACH64_VERTEX_3_Z 0x0290 405 406#define MACH64_Z_CNTL 0x054c 407#define MACH64_Z_OFF_PITCH 0x0548 408 409#define MACH64_CRTC_VLINE_CRNT_VLINE 0x0410 410# define MACH64_CRTC_VLINE_MASK 0x000007ff 411# define MACH64_CRTC_CRNT_VLINE_MASK 0x07ff0000 412#define MACH64_CRTC_OFF_PITCH 0x0414 413#define MACH64_CRTC_INT_CNTL 0x0418 414# define MACH64_CRTC_VBLANK (1 << 0) 415# define MACH64_CRTC_VBLANK_INT_EN (1 << 1) 416# define MACH64_CRTC_VBLANK_INT (1 << 2) 417# define MACH64_CRTC_VLINE_INT_EN (1 << 3) 418# define MACH64_CRTC_VLINE_INT (1 << 4) 419# define MACH64_CRTC_VLINE_SYNC (1 << 5) /* 0=even, 1=odd */ 420# define MACH64_CRTC_FRAME (1 << 6) /* 0=even, 1=odd */ 421# define MACH64_CRTC_SNAPSHOT_INT_EN (1 << 7) 422# define MACH64_CRTC_SNAPSHOT_INT (1 << 8) 423# define MACH64_CRTC_I2C_INT_EN (1 << 9) 424# define MACH64_CRTC_I2C_INT (1 << 10) 425# define MACH64_CRTC2_VBLANK (1 << 11) /* LT Pro */ 426# define MACH64_CRTC2_VBLANK_INT_EN (1 << 12) /* LT Pro */ 427# define MACH64_CRTC2_VBLANK_INT (1 << 13) /* LT Pro */ 428# define MACH64_CRTC2_VLINE_INT_EN (1 << 14) /* LT Pro */ 429# define MACH64_CRTC2_VLINE_INT (1 << 15) /* LT Pro */ 430# define MACH64_CRTC_CAPBUF0_INT_EN (1 << 16) 431# define MACH64_CRTC_CAPBUF0_INT (1 << 17) 432# define MACH64_CRTC_CAPBUF1_INT_EN (1 << 18) 433# define MACH64_CRTC_CAPBUF1_INT (1 << 19) 434# define MACH64_CRTC_OVERLAY_EOF_INT_EN (1 << 20) 435# define MACH64_CRTC_OVERLAY_EOF_INT (1 << 21) 436# define MACH64_CRTC_ONESHOT_CAP_INT_EN (1 << 22) 437# define MACH64_CRTC_ONESHOT_CAP_INT (1 << 23) 438# define MACH64_CRTC_BUSMASTER_EOL_INT_EN (1 << 24) 439# define MACH64_CRTC_BUSMASTER_EOL_INT (1 << 25) 440# define MACH64_CRTC_GP_INT_EN (1 << 26) 441# define MACH64_CRTC_GP_INT (1 << 27) 442# define MACH64_CRTC2_VLINE_SYNC (1 << 28) /* LT Pro */ /* 0=even, 1=odd */ 443# define MACH64_CRTC_SNAPSHOT2_INT_EN (1 << 29) /* LT Pro */ 444# define MACH64_CRTC_SNAPSHOT2_INT (1 << 30) /* LT Pro */ 445# define MACH64_CRTC_VBLANK2_INT (1U << 31) 446# define MACH64_CRTC_INT_ENS \ 447 ( \ 448 MACH64_CRTC_VBLANK_INT_EN | \ 449 MACH64_CRTC_VLINE_INT_EN | \ 450 MACH64_CRTC_SNAPSHOT_INT_EN | \ 451 MACH64_CRTC_I2C_INT_EN | \ 452 MACH64_CRTC2_VBLANK_INT_EN | \ 453 MACH64_CRTC2_VLINE_INT_EN | \ 454 MACH64_CRTC_CAPBUF0_INT_EN | \ 455 MACH64_CRTC_CAPBUF1_INT_EN | \ 456 MACH64_CRTC_OVERLAY_EOF_INT_EN | \ 457 MACH64_CRTC_ONESHOT_CAP_INT_EN | \ 458 MACH64_CRTC_BUSMASTER_EOL_INT_EN | \ 459 MACH64_CRTC_GP_INT_EN | \ 460 MACH64_CRTC_SNAPSHOT2_INT_EN | \ 461 0 \ 462 ) 463# define MACH64_CRTC_INT_ACKS \ 464 ( \ 465 MACH64_CRTC_VBLANK_INT | \ 466 MACH64_CRTC_VLINE_INT | \ 467 MACH64_CRTC_SNAPSHOT_INT | \ 468 MACH64_CRTC_I2C_INT | \ 469 MACH64_CRTC2_VBLANK_INT | \ 470 MACH64_CRTC2_VLINE_INT | \ 471 MACH64_CRTC_CAPBUF0_INT | \ 472 MACH64_CRTC_CAPBUF1_INT | \ 473 MACH64_CRTC_OVERLAY_EOF_INT | \ 474 MACH64_CRTC_ONESHOT_CAP_INT | \ 475 MACH64_CRTC_BUSMASTER_EOL_INT | \ 476 MACH64_CRTC_GP_INT | \ 477 MACH64_CRTC_SNAPSHOT2_INT | \ 478 MACH64_CRTC_VBLANK2_INT | \ 479 0 \ 480 ) 481 482#define MACH64_DATATYPE_CI8 2 483#define MACH64_DATATYPE_ARGB1555 3 484#define MACH64_DATATYPE_RGB565 4 485#define MACH64_DATATYPE_ARGB8888 6 486#define MACH64_DATATYPE_RGB332 7 487#define MACH64_DATATYPE_Y8 8 488#define MACH64_DATATYPE_RGB8 9 489#define MACH64_DATATYPE_VYUY422 11 490#define MACH64_DATATYPE_YVYU422 12 491#define MACH64_DATATYPE_AYUV444 14 492#define MACH64_DATATYPE_ARGB4444 15 493 494#define MACH64_READ(reg) DRM_READ32(dev_priv->mmio, (reg) ) 495#define MACH64_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio, (reg), (val) ) 496 497#define DWMREG0 0x0400 498#define DWMREG0_END 0x07ff 499#define DWMREG1 0x0000 500#define DWMREG1_END 0x03ff 501 502#define ISREG0(r) (((r) >= DWMREG0) && ((r) <= DWMREG0_END)) 503#define DMAREG0(r) (((r) - DWMREG0) >> 2) 504#define DMAREG1(r) ((((r) - DWMREG1) >> 2 ) | 0x0100) 505#define DMAREG(r) (ISREG0(r) ? DMAREG0(r) : DMAREG1(r)) 506 507#define MMREG0 0x0000 508#define MMREG0_END 0x00ff 509 510#define ISMMREG0(r) (((r) >= MMREG0) && ((r) <= MMREG0_END)) 511#define MMSELECT0(r) (((r) << 2) + DWMREG0) 512#define MMSELECT1(r) (((((r) & 0xff) << 2) + DWMREG1)) 513#define MMSELECT(r) (ISMMREG0(r) ? MMSELECT0(r) : MMSELECT1(r)) 514 515/* ================================================================ 516 * DMA constants 517 */ 518 519/* DMA descriptor field indices: 520 * The descriptor fields are loaded into the read-only 521 * BM_* system bus master registers during a bus-master operation 522 */ 523#define MACH64_DMA_FRAME_BUF_OFFSET 0 /* BM_FRAME_BUF_OFFSET */ 524#define MACH64_DMA_SYS_MEM_ADDR 1 /* BM_SYSTEM_MEM_ADDR */ 525#define MACH64_DMA_COMMAND 2 /* BM_COMMAND */ 526#define MACH64_DMA_RESERVED 3 /* BM_STATUS */ 527 528/* BM_COMMAND descriptor field flags */ 529#define MACH64_DMA_HOLD_OFFSET (1<<30) /* Don't increment DMA_FRAME_BUF_OFFSET */ 530#define MACH64_DMA_EOL (1<<31) /* End of descriptor list flag */ 531 532#define MACH64_DMA_CHUNKSIZE 0x1000 /* 4kB per DMA descriptor */ 533#define MACH64_APERTURE_OFFSET 0x7ff800 /* frame-buffer offset for gui-masters */ 534 535/* ================================================================ 536 * Ring operations 537 * 538 * Since the Mach64 bus master engine requires polling, these functions end 539 * up being called frequently, hence being inline. 540 */ 541 542static __inline__ void mach64_ring_start(drm_mach64_private_t * dev_priv) 543{ 544 drm_mach64_descriptor_ring_t *ring = &dev_priv->ring; 545 546 DRM_DEBUG("head_addr: 0x%08x head: %d tail: %d space: %d\n", 547 ring->head_addr, ring->head, ring->tail, ring->space); 548 549 if (mach64_do_wait_for_idle(dev_priv) < 0) { 550 mach64_do_engine_reset(dev_priv); 551 } 552 553 if (dev_priv->driver_mode != MACH64_MODE_MMIO) { 554 /* enable bus mastering and block 1 registers */ 555 MACH64_WRITE(MACH64_BUS_CNTL, 556 (MACH64_READ(MACH64_BUS_CNTL) & 557 ~MACH64_BUS_MASTER_DIS) 558 | MACH64_BUS_EXT_REG_EN); 559 mach64_do_wait_for_idle(dev_priv); 560 } 561 562 /* reset descriptor table ring head */ 563 MACH64_WRITE(MACH64_BM_GUI_TABLE_CMD, 564 ring->head_addr | MACH64_CIRCULAR_BUF_SIZE_16KB); 565 566 dev_priv->ring_running = 1; 567} 568 569static __inline__ void mach64_ring_resume(drm_mach64_private_t * dev_priv, 570 drm_mach64_descriptor_ring_t * ring) 571{ 572 DRM_DEBUG("head_addr: 0x%08x head: %d tail: %d space: %d\n", 573 ring->head_addr, ring->head, ring->tail, ring->space); 574 575 /* reset descriptor table ring head */ 576 MACH64_WRITE(MACH64_BM_GUI_TABLE_CMD, 577 ring->head_addr | MACH64_CIRCULAR_BUF_SIZE_16KB); 578 579 if (dev_priv->driver_mode == MACH64_MODE_MMIO) { 580 mach64_do_dispatch_pseudo_dma(dev_priv); 581 } else { 582 /* enable GUI bus mastering, and sync the bus master to the GUI */ 583 MACH64_WRITE(MACH64_SRC_CNTL, 584 MACH64_SRC_BM_ENABLE | MACH64_SRC_BM_SYNC | 585 MACH64_SRC_BM_OP_SYSTEM_TO_REG); 586 587 /* kick off the transfer */ 588 MACH64_WRITE(MACH64_DST_HEIGHT_WIDTH, 0); 589 if (dev_priv->driver_mode == MACH64_MODE_DMA_SYNC) { 590 if ((mach64_do_wait_for_idle(dev_priv)) < 0) { 591 DRM_ERROR("idle failed, resetting engine\n"); 592 mach64_dump_engine_info(dev_priv); 593 mach64_do_engine_reset(dev_priv); 594 return; 595 } 596 mach64_do_release_used_buffers(dev_priv); 597 } 598 } 599} 600 601/** 602 * Poll the ring head and make sure the bus master is alive. 603 * 604 * Mach64's bus master engine will stop if there are no more entries to process. 605 * This function polls the engine for the last processed entry and calls 606 * mach64_ring_resume if there is an unprocessed entry. 607 * 608 * Note also that, since we update the ring tail while the bus master engine is 609 * in operation, it is possible that the last tail update was too late to be 610 * processed, and the bus master engine stops at the previous tail position. 611 * Therefore it is important to call this function frequently. 612 */ 613static __inline__ void mach64_ring_tick(drm_mach64_private_t * dev_priv, 614 drm_mach64_descriptor_ring_t * ring) 615{ 616 DRM_DEBUG("head_addr: 0x%08x head: %d tail: %d space: %d\n", 617 ring->head_addr, ring->head, ring->tail, ring->space); 618 619 if (!dev_priv->ring_running) { 620 mach64_ring_start(dev_priv); 621 622 if (ring->head != ring->tail) { 623 mach64_ring_resume(dev_priv, ring); 624 } 625 } else { 626 /* GUI_ACTIVE must be read before BM_GUI_TABLE to 627 * correctly determine the ring head 628 */ 629 int gui_active = 630 MACH64_READ(MACH64_GUI_STAT) & MACH64_GUI_ACTIVE; 631 632 ring->head_addr = MACH64_READ(MACH64_BM_GUI_TABLE) & 0xfffffff0; 633 634 if (gui_active) { 635 /* If not idle, BM_GUI_TABLE points one descriptor 636 * past the current head 637 */ 638 if (ring->head_addr == ring->start_addr) { 639 ring->head_addr += ring->size; 640 } 641 ring->head_addr -= 4 * sizeof(u32); 642 } 643 644 if (ring->head_addr < ring->start_addr || 645 ring->head_addr >= ring->start_addr + ring->size) { 646 DRM_ERROR("bad ring head address: 0x%08x\n", 647 ring->head_addr); 648 mach64_dump_ring_info(dev_priv); 649 mach64_do_engine_reset(dev_priv); 650 return; 651 } 652 653 ring->head = (ring->head_addr - ring->start_addr) / sizeof(u32); 654 655 if (!gui_active && ring->head != ring->tail) { 656 mach64_ring_resume(dev_priv, ring); 657 } 658 } 659} 660 661static __inline__ void mach64_ring_stop(drm_mach64_private_t * dev_priv) 662{ 663 DRM_DEBUG("head_addr: 0x%08x head: %d tail: %d space: %d\n", 664 dev_priv->ring.head_addr, dev_priv->ring.head, 665 dev_priv->ring.tail, dev_priv->ring.space); 666 667 /* restore previous SRC_CNTL to disable busmastering */ 668 mach64_do_wait_for_fifo(dev_priv, 1); 669 MACH64_WRITE(MACH64_SRC_CNTL, 0); 670 671 /* disable busmastering but keep the block 1 registers enabled */ 672 mach64_do_wait_for_idle(dev_priv); 673 MACH64_WRITE(MACH64_BUS_CNTL, MACH64_READ(MACH64_BUS_CNTL) 674 | MACH64_BUS_MASTER_DIS | MACH64_BUS_EXT_REG_EN); 675 676 dev_priv->ring_running = 0; 677} 678 679static __inline__ void 680mach64_update_ring_snapshot(drm_mach64_private_t * dev_priv) 681{ 682 drm_mach64_descriptor_ring_t *ring = &dev_priv->ring; 683 684 DRM_DEBUG("\n"); 685 686 mach64_ring_tick(dev_priv, ring); 687 688 ring->space = (ring->head - ring->tail) * sizeof(u32); 689 if (ring->space <= 0) { 690 ring->space += ring->size; 691 } 692} 693 694/* ================================================================ 695 * DMA macros 696 * 697 * Mach64's ring buffer doesn't take register writes directly. These 698 * have to be written indirectly in DMA buffers. These macros simplify 699 * the task of setting up a buffer, writing commands to it, and 700 * queuing the buffer in the ring. 701 */ 702 703#define DMALOCALS \ 704 drm_mach64_freelist_t *_entry = NULL; \ 705 struct drm_buf *_buf = NULL; \ 706 u32 *_buf_wptr; int _outcount 707 708#define GETBUFPTR( __buf ) \ 709((dev_priv->is_pci) ? \ 710 ((u32 *)(__buf)->address) : \ 711 ((u32 *)((char *)dev_priv->dev_buffers->handle + (__buf)->offset))) 712 713#define GETBUFADDR( __buf ) ((u32)(__buf)->bus_address) 714 715#define GETRINGOFFSET() (_entry->ring_ofs) 716 717static __inline__ int mach64_find_pending_buf_entry(drm_mach64_private_t * 718 dev_priv, 719 drm_mach64_freelist_t ** 720 entry, struct drm_buf * buf) 721{ 722 struct list_head *ptr; 723#if MACH64_EXTRA_CHECKING 724 if (list_empty(&dev_priv->pending)) { 725 DRM_ERROR("Empty pending list in \n"); 726 return -EINVAL; 727 } 728#endif 729 ptr = dev_priv->pending.prev; 730 *entry = list_entry(ptr, drm_mach64_freelist_t, list); 731 while ((*entry)->buf != buf) { 732 if (ptr == &dev_priv->pending) { 733 return -EFAULT; 734 } 735 ptr = ptr->prev; 736 *entry = list_entry(ptr, drm_mach64_freelist_t, list); 737 } 738 return 0; 739} 740 741#define DMASETPTR( _p ) \ 742do { \ 743 _buf = (_p); \ 744 _outcount = 0; \ 745 _buf_wptr = GETBUFPTR( _buf ); \ 746} while(0) 747 748/* FIXME: use a private set of smaller buffers for state emits, clears, and swaps? */ 749#define DMAGETPTR( file_priv, dev_priv, n ) \ 750do { \ 751 if ( MACH64_VERBOSE ) { \ 752 DRM_INFO( "DMAGETPTR( %d )\n", (n) ); \ 753 } \ 754 _buf = mach64_freelist_get( dev_priv ); \ 755 if (_buf == NULL) { \ 756 DRM_ERROR("couldn't get buffer in DMAGETPTR\n"); \ 757 return -EAGAIN; \ 758 } \ 759 if (_buf->pending) { \ 760 DRM_ERROR("pending buf in DMAGETPTR\n"); \ 761 return -EFAULT; \ 762 } \ 763 _buf->file_priv = file_priv; \ 764 _outcount = 0; \ 765 \ 766 _buf_wptr = GETBUFPTR( _buf ); \ 767} while (0) 768 769#define DMAOUTREG( reg, val ) \ 770do { \ 771 if ( MACH64_VERBOSE ) { \ 772 DRM_INFO( " DMAOUTREG( 0x%x = 0x%08x )\n", \ 773 reg, val ); \ 774 } \ 775 _buf_wptr[_outcount++] = cpu_to_le32(DMAREG(reg)); \ 776 _buf_wptr[_outcount++] = cpu_to_le32((val)); \ 777 _buf->used += 8; \ 778} while (0) 779 780#define DMAADVANCE( dev_priv, _discard ) \ 781 do { \ 782 struct list_head *ptr; \ 783 int ret; \ 784 \ 785 if ( MACH64_VERBOSE ) { \ 786 DRM_INFO( "DMAADVANCE() in \n" ); \ 787 } \ 788 \ 789 if (_buf->used <= 0) { \ 790 DRM_ERROR( "DMAADVANCE(): sending empty buf %d\n", \ 791 _buf->idx ); \ 792 return -EFAULT; \ 793 } \ 794 if (_buf->pending) { \ 795 /* This is a resued buffer, so we need to find it in the pending list */ \ 796 if ((ret = mach64_find_pending_buf_entry(dev_priv, &_entry, _buf))) { \ 797 DRM_ERROR( "DMAADVANCE(): couldn't find pending buf %d\n", _buf->idx ); \ 798 return ret; \ 799 } \ 800 if (_entry->discard) { \ 801 DRM_ERROR( "DMAADVANCE(): sending discarded pending buf %d\n", _buf->idx ); \ 802 return -EFAULT; \ 803 } \ 804 } else { \ 805 if (list_empty(&dev_priv->placeholders)) { \ 806 DRM_ERROR( "DMAADVANCE(): empty placeholder list\n"); \ 807 return -EFAULT; \ 808 } \ 809 ptr = dev_priv->placeholders.next; \ 810 list_del(ptr); \ 811 _entry = list_entry(ptr, drm_mach64_freelist_t, list); \ 812 _buf->pending = 1; \ 813 _entry->buf = _buf; \ 814 list_add_tail(ptr, &dev_priv->pending); \ 815 } \ 816 _entry->discard = (_discard); \ 817 if ((ret = mach64_add_buf_to_ring( dev_priv, _entry ))) \ 818 return ret; \ 819 } while (0) 820 821#define DMADISCARDBUF() \ 822 do { \ 823 if (_entry == NULL) { \ 824 int ret; \ 825 if ((ret = mach64_find_pending_buf_entry(dev_priv, &_entry, _buf))) { \ 826 DRM_ERROR( "couldn't find pending buf %d\n", \ 827 _buf->idx ); \ 828 return ret; \ 829 } \ 830 } \ 831 _entry->discard = 1; \ 832 } while(0) 833 834#define DMAADVANCEHOSTDATA( dev_priv ) \ 835 do { \ 836 struct list_head *ptr; \ 837 int ret; \ 838 \ 839 if ( MACH64_VERBOSE ) { \ 840 DRM_INFO( "DMAADVANCEHOSTDATA() in \n" ); \ 841 } \ 842 \ 843 if (_buf->used <= 0) { \ 844 DRM_ERROR( "DMAADVANCEHOSTDATA(): sending empty buf %d\n", _buf->idx ); \ 845 return -EFAULT; \ 846 } \ 847 if (list_empty(&dev_priv->placeholders)) { \ 848 DRM_ERROR( "empty placeholder list in DMAADVANCEHOSTDATA()\n" ); \ 849 return -EFAULT; \ 850 } \ 851 \ 852 ptr = dev_priv->placeholders.next; \ 853 list_del(ptr); \ 854 _entry = list_entry(ptr, drm_mach64_freelist_t, list); \ 855 _entry->buf = _buf; \ 856 _entry->buf->pending = 1; \ 857 list_add_tail(ptr, &dev_priv->pending); \ 858 _entry->discard = 1; \ 859 if ((ret = mach64_add_hostdata_buf_to_ring( dev_priv, _entry ))) \ 860 return ret; \ 861 } while (0) 862 863#endif /* __MACH64_DRV_H__ */ 864