diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/com.fuc')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/com.fuc | 864 |
1 files changed, 864 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/com.fuc b/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/com.fuc new file mode 100644 index 000000000000..a558dfa4d76a --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/com.fuc @@ -0,0 +1,864 @@ +/* fuc microcode for copy engine on gt215- chipsets + * + * Copyright 2011 Red Hat Inc. + * + * 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 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 HOLDER(S) OR AUTHOR(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: Ben Skeggs + */ + +#ifdef GT215 +.section #gt215_pce_data +#else +.section #gf100_pce_data +#endif + +ctx_object: .b32 0 +#ifdef GT215 +ctx_dma: +ctx_dma_query: .b32 0 +ctx_dma_src: .b32 0 +ctx_dma_dst: .b32 0 +#endif +.equ #ctx_dma_count 3 +ctx_query_address_high: .b32 0 +ctx_query_address_low: .b32 0 +ctx_query_counter: .b32 0 +ctx_src_address_high: .b32 0 +ctx_src_address_low: .b32 0 +ctx_src_pitch: .b32 0 +ctx_src_tile_mode: .b32 0 +ctx_src_xsize: .b32 0 +ctx_src_ysize: .b32 0 +ctx_src_zsize: .b32 0 +ctx_src_zoff: .b32 0 +ctx_src_xoff: .b32 0 +ctx_src_yoff: .b32 0 +ctx_src_cpp: .b32 0 +ctx_dst_address_high: .b32 0 +ctx_dst_address_low: .b32 0 +ctx_dst_pitch: .b32 0 +ctx_dst_tile_mode: .b32 0 +ctx_dst_xsize: .b32 0 +ctx_dst_ysize: .b32 0 +ctx_dst_zsize: .b32 0 +ctx_dst_zoff: .b32 0 +ctx_dst_xoff: .b32 0 +ctx_dst_yoff: .b32 0 +ctx_dst_cpp: .b32 0 +ctx_format: .b32 0 +ctx_swz_const0: .b32 0 +ctx_swz_const1: .b32 0 +ctx_xcnt: .b32 0 +ctx_ycnt: .b32 0 +.align 256 + +dispatch_table: +// mthd 0x0000, NAME +.b16 0x000 1 +.b32 #ctx_object ~0xffffffff +// mthd 0x0100, NOP +.b16 0x040 1 +.b32 0x00010000 + #cmd_nop ~0xffffffff +// mthd 0x0140, PM_TRIGGER +.b16 0x050 1 +.b32 0x00010000 + #cmd_pm_trigger ~0xffffffff +#ifdef GT215 +// mthd 0x0180-0x018c, DMA_ +.b16 0x060 #ctx_dma_count +dispatch_dma: +.b32 0x00010000 + #cmd_dma ~0xffffffff +.b32 0x00010000 + #cmd_dma ~0xffffffff +.b32 0x00010000 + #cmd_dma ~0xffffffff +#endif +// mthd 0x0200-0x0218, SRC_TILE +.b16 0x80 7 +.b32 #ctx_src_tile_mode ~0x00000fff +.b32 #ctx_src_xsize ~0x0007ffff +.b32 #ctx_src_ysize ~0x00001fff +.b32 #ctx_src_zsize ~0x000007ff +.b32 #ctx_src_zoff ~0x00000fff +.b32 #ctx_src_xoff ~0x0007ffff +.b32 #ctx_src_yoff ~0x00001fff +// mthd 0x0220-0x0238, DST_TILE +.b16 0x88 7 +.b32 #ctx_dst_tile_mode ~0x00000fff +.b32 #ctx_dst_xsize ~0x0007ffff +.b32 #ctx_dst_ysize ~0x00001fff +.b32 #ctx_dst_zsize ~0x000007ff +.b32 #ctx_dst_zoff ~0x00000fff +.b32 #ctx_dst_xoff ~0x0007ffff +.b32 #ctx_dst_yoff ~0x00001fff +// mthd 0x0300-0x0304, EXEC, WRCACHE_FLUSH +.b16 0xc0 2 +.b32 0x00010000 + #cmd_exec ~0xffffffff +.b32 0x00010000 + #cmd_wrcache_flush ~0xffffffff +// mthd 0x030c-0x0340, various stuff +.b16 0xc3 14 +.b32 #ctx_src_address_high ~0x000000ff +.b32 #ctx_src_address_low ~0xffffffff +.b32 #ctx_dst_address_high ~0x000000ff +.b32 #ctx_dst_address_low ~0xffffffff +.b32 #ctx_src_pitch ~0x0007ffff +.b32 #ctx_dst_pitch ~0x0007ffff +.b32 #ctx_xcnt ~0x0000ffff +.b32 #ctx_ycnt ~0x00001fff +.b32 #ctx_format ~0x0333ffff +.b32 #ctx_swz_const0 ~0xffffffff +.b32 #ctx_swz_const1 ~0xffffffff +.b32 #ctx_query_address_high ~0x000000ff +.b32 #ctx_query_address_low ~0xffffffff +.b32 #ctx_query_counter ~0xffffffff +.b16 0x800 0 + +#ifdef GT215 +.section #gt215_pce_code +#else +.section #gf100_pce_code +#endif + +main: + clear b32 $r0 + mov $sp $r0 + + // setup i0 handler and route fifo and ctxswitch to it + mov $r1 #ih + mov $iv0 $r1 + mov $r1 0x400 + movw $r2 0xfff3 + sethi $r2 0 + iowr I[$r1 + 0x300] $r2 + + // enable interrupts + or $r2 0xc + iowr I[$r1] $r2 + bset $flags ie0 + + // enable fifo access and context switching + mov $r1 0x1200 + mov $r2 3 + iowr I[$r1] $r2 + + // sleep forever, waking for interrupts + bset $flags $p0 + spin: + sleep $p0 + bra #spin + +// i0 handler +ih: + iord $r1 I[$r0 + 0x200] + + and $r2 $r1 0x00000008 + bra e #ih_no_chsw + call #chsw + ih_no_chsw: + and $r2 $r1 0x00000004 + bra e #ih_no_cmd + call #dispatch + + ih_no_cmd: + and $r1 $r1 0x0000000c + iowr I[$r0 + 0x100] $r1 + iret + +// $p1 direction (0 = unload, 1 = load) +// $r3 channel +swctx: + mov $r4 0x7700 + mov $xtargets $r4 +#ifdef GT215 + // target 7 hardcoded to ctx dma object + mov $xdbase $r0 +#else + // read SCRATCH3 to decide if we are PCOPY0 or PCOPY1 + mov $r4 0x2100 + iord $r4 I[$r4 + 0] + and $r4 1 + shl b32 $r4 4 + add b32 $r4 0x30 + + // channel is in vram + mov $r15 0x61c + shl b32 $r15 6 + mov $r5 0x114 + iowrs I[$r15] $r5 + + // read 16-byte PCOPYn info, containing context pointer, from channel + shl b32 $r5 $r3 4 + add b32 $r5 2 + mov $xdbase $r5 + mov $r5 $sp + // get a chunk of stack space, aligned to 256 byte boundary + sub b32 $r5 0x100 + mov $r6 0xff + not b32 $r6 + and $r5 $r6 + sethi $r5 0x00020000 + xdld $r4 $r5 + xdwait + sethi $r5 0 + + // set context pointer, from within channel VM + mov $r14 0 + iowrs I[$r15] $r14 + ld b32 $r4 D[$r5 + 0] + shr b32 $r4 8 + ld b32 $r6 D[$r5 + 4] + shl b32 $r6 24 + or $r4 $r6 + mov $xdbase $r4 +#endif + // 256-byte context, at start of data segment + mov b32 $r4 $r0 + sethi $r4 0x60000 + + // swap! + bra $p1 #swctx_load + xdst $r0 $r4 + bra #swctx_done + swctx_load: + xdld $r0 $r4 + swctx_done: + xdwait + ret + +chsw: + // read current channel + mov $r2 0x1400 + iord $r3 I[$r2] + + // if it's active, unload it and return + xbit $r15 $r3 0x1e + bra e #chsw_no_unload + bclr $flags $p1 + call #swctx + bclr $r3 0x1e + iowr I[$r2] $r3 + mov $r4 1 + iowr I[$r2 + 0x200] $r4 + ret + + // read next channel + chsw_no_unload: + iord $r3 I[$r2 + 0x100] + + // is there a channel waiting to be loaded? + xbit $r13 $r3 0x1e + bra e #chsw_finish_load + bset $flags $p1 + call #swctx +#ifdef GT215 + // load dma objects back into TARGET regs + mov $r5 #ctx_dma + mov $r6 #ctx_dma_count + chsw_load_ctx_dma: + ld b32 $r7 D[$r5 + $r6 * 4] + add b32 $r8 $r6 0x180 + shl b32 $r8 8 + iowr I[$r8] $r7 + sub b32 $r6 1 + bra nc #chsw_load_ctx_dma +#endif + chsw_finish_load: + mov $r3 2 + iowr I[$r2 + 0x200] $r3 + ret + +dispatch: + // read incoming fifo command + mov $r3 0x1900 + iord $r2 I[$r3 + 0x100] + iord $r3 I[$r3 + 0x000] + and $r4 $r2 0x7ff + // $r2 will be used to store exception data + shl b32 $r2 0x10 + + // lookup method in the dispatch table, ILLEGAL_MTHD if not found + mov $r5 #dispatch_table + clear b32 $r6 + clear b32 $r7 + dispatch_loop: + ld b16 $r6 D[$r5 + 0] + ld b16 $r7 D[$r5 + 2] + add b32 $r5 4 + cmpu b32 $r4 $r6 + bra c #dispatch_illegal_mthd + add b32 $r7 $r6 + cmpu b32 $r4 $r7 + bra c #dispatch_valid_mthd + sub b32 $r7 $r6 + shl b32 $r7 3 + add b32 $r5 $r7 + bra #dispatch_loop + + // ensure no bits set in reserved fields, INVALID_BITFIELD + dispatch_valid_mthd: + sub b32 $r4 $r6 + shl b32 $r4 3 + add b32 $r4 $r5 + ld b32 $r5 D[$r4 + 4] + and $r5 $r3 + cmpu b32 $r5 0 + bra ne #dispatch_invalid_bitfield + + // depending on dispatch flags: execute method, or save data as state + ld b16 $r5 D[$r4 + 0] + ld b16 $r6 D[$r4 + 2] + cmpu b32 $r6 0 + bra ne #dispatch_cmd + st b32 D[$r5] $r3 + bra #dispatch_done + dispatch_cmd: + bclr $flags $p1 + call $r5 + bra $p1 #dispatch_error + bra #dispatch_done + + dispatch_invalid_bitfield: + or $r2 2 + dispatch_illegal_mthd: + or $r2 1 + + // store exception data in SCRATCH0/SCRATCH1, signal hostirq + dispatch_error: + mov $r4 0x1000 + iowr I[$r4 + 0x000] $r2 + iowr I[$r4 + 0x100] $r3 + mov $r2 0x40 + iowr I[$r0] $r2 + hostirq_wait: + iord $r2 I[$r0 + 0x200] + and $r2 0x40 + cmpu b32 $r2 0 + bra ne #hostirq_wait + + dispatch_done: + mov $r2 0x1d00 + mov $r3 1 + iowr I[$r2] $r3 + ret + +// No-operation +// +// Inputs: +// $r1: irqh state +// $r2: hostirq state +// $r3: data +// $r4: dispatch table entry +// Outputs: +// $r1: irqh state +// $p1: set on error +// $r2: hostirq state +// $r3: data +cmd_nop: + ret + +// PM_TRIGGER +// +// Inputs: +// $r1: irqh state +// $r2: hostirq state +// $r3: data +// $r4: dispatch table entry +// Outputs: +// $r1: irqh state +// $p1: set on error +// $r2: hostirq state +// $r3: data +cmd_pm_trigger: + mov $r2 0x2200 + clear b32 $r3 + sethi $r3 0x20000 + iowr I[$r2] $r3 + ret + +#ifdef GT215 +// SET_DMA_* method handler +// +// Inputs: +// $r1: irqh state +// $r2: hostirq state +// $r3: data +// $r4: dispatch table entry +// Outputs: +// $r1: irqh state +// $p1: set on error +// $r2: hostirq state +// $r3: data +cmd_dma: + sub b32 $r4 #dispatch_dma + shr b32 $r4 1 + bset $r3 0x1e + st b32 D[$r4 + #ctx_dma] $r3 + add b32 $r4 0x600 + shl b32 $r4 6 + iowr I[$r4] $r3 + ret +#endif + +// Calculates the hw swizzle mask and adjusts the surface's xcnt to match +// +cmd_exec_set_format: + // zero out a chunk of the stack to store the swizzle into + add $sp -0x10 + st b32 D[$sp + 0x00] $r0 + st b32 D[$sp + 0x04] $r0 + st b32 D[$sp + 0x08] $r0 + st b32 D[$sp + 0x0c] $r0 + + // extract cpp, src_ncomp and dst_ncomp from FORMAT + ld b32 $r4 D[$r0 + #ctx_format] + extr $r5 $r4 16:17 + add b32 $r5 1 + extr $r6 $r4 20:21 + add b32 $r6 1 + extr $r7 $r4 24:25 + add b32 $r7 1 + + // convert FORMAT swizzle mask to hw swizzle mask + bclr $flags $p2 + clear b32 $r8 + clear b32 $r9 + ncomp_loop: + and $r10 $r4 0xf + shr b32 $r4 4 + clear b32 $r11 + bpc_loop: + cmpu b8 $r10 4 + bra nc #cmp_c0 + mulu $r12 $r10 $r5 + add b32 $r12 $r11 + bset $flags $p2 + bra #bpc_next + cmp_c0: + bra ne #cmp_c1 + mov $r12 0x10 + add b32 $r12 $r11 + bra #bpc_next + cmp_c1: + cmpu b8 $r10 6 + bra nc #cmp_zero + mov $r12 0x14 + add b32 $r12 $r11 + bra #bpc_next + cmp_zero: + mov $r12 0x80 + bpc_next: + st b8 D[$sp + $r8] $r12 + add b32 $r8 1 + add b32 $r11 1 + cmpu b32 $r11 $r5 + bra c #bpc_loop + add b32 $r9 1 + cmpu b32 $r9 $r7 + bra c #ncomp_loop + + // SRC_XCNT = (xcnt * src_cpp), or 0 if no src ref in swz (hw will hang) + mulu $r6 $r5 + st b32 D[$r0 + #ctx_src_cpp] $r6 + ld b32 $r8 D[$r0 + #ctx_xcnt] + mulu $r6 $r8 + bra $p2 #dst_xcnt + clear b32 $r6 + + dst_xcnt: + mulu $r7 $r5 + st b32 D[$r0 + #ctx_dst_cpp] $r7 + mulu $r7 $r8 + + mov $r5 0x810 + shl b32 $r5 6 + iowr I[$r5 + 0x000] $r6 + iowr I[$r5 + 0x100] $r7 + add b32 $r5 0x800 + ld b32 $r6 D[$r0 + #ctx_dst_cpp] + sub b32 $r6 1 + shl b32 $r6 8 + ld b32 $r7 D[$r0 + #ctx_src_cpp] + sub b32 $r7 1 + or $r6 $r7 + iowr I[$r5 + 0x000] $r6 + add b32 $r5 0x100 + ld b32 $r6 D[$sp + 0x00] + iowr I[$r5 + 0x000] $r6 + ld b32 $r6 D[$sp + 0x04] + iowr I[$r5 + 0x100] $r6 + ld b32 $r6 D[$sp + 0x08] + iowr I[$r5 + 0x200] $r6 + ld b32 $r6 D[$sp + 0x0c] + iowr I[$r5 + 0x300] $r6 + add b32 $r5 0x400 + ld b32 $r6 D[$r0 + #ctx_swz_const0] + iowr I[$r5 + 0x000] $r6 + ld b32 $r6 D[$r0 + #ctx_swz_const1] + iowr I[$r5 + 0x100] $r6 + add $sp 0x10 + ret + +// Setup to handle a tiled surface +// +// Calculates a number of parameters the hardware requires in order +// to correctly handle tiling. +// +// Offset calculation is performed as follows (Tp/Th/Td from TILE_MODE): +// nTx = round_up(w * cpp, 1 << Tp) >> Tp +// nTy = round_up(h, 1 << Th) >> Th +// Txo = (x * cpp) & ((1 << Tp) - 1) +// Tx = (x * cpp) >> Tp +// Tyo = y & ((1 << Th) - 1) +// Ty = y >> Th +// Tzo = z & ((1 << Td) - 1) +// Tz = z >> Td +// +// off = (Tzo << Tp << Th) + (Tyo << Tp) + Txo +// off += ((Tz * nTy * nTx)) + (Ty * nTx) + Tx) << Td << Th << Tp; +// +// Inputs: +// $r4: hw command (0x104800) +// $r5: ctx offset adjustment for src/dst selection +// $p2: set if dst surface +// +cmd_exec_set_surface_tiled: + // translate TILE_MODE into Tp, Th, Td shift values + ld b32 $r7 D[$r5 + #ctx_src_tile_mode] + extr $r9 $r7 8:11 + extr $r8 $r7 4:7 +#ifdef GT215 + add b32 $r8 2 +#else + add b32 $r8 3 +#endif + extr $r7 $r7 0:3 + cmp b32 $r7 0xe + bra ne #xtile64 + mov $r7 4 + bra #xtileok + xtile64: + xbit $r7 $flags $p2 + add b32 $r7 17 + bset $r4 $r7 + mov $r7 6 + xtileok: + + // Op = (x * cpp) & ((1 << Tp) - 1) + // Tx = (x * cpp) >> Tp + ld b32 $r10 D[$r5 + #ctx_src_xoff] + ld b32 $r11 D[$r5 + #ctx_src_cpp] + mulu $r10 $r11 + mov $r11 1 + shl b32 $r11 $r7 + sub b32 $r11 1 + and $r12 $r10 $r11 + shr b32 $r10 $r7 + + // Tyo = y & ((1 << Th) - 1) + // Ty = y >> Th + ld b32 $r13 D[$r5 + #ctx_src_yoff] + mov $r14 1 + shl b32 $r14 $r8 + sub b32 $r14 1 + and $r11 $r13 $r14 + shr b32 $r13 $r8 + + // YTILE = ((1 << Th) << 12) | ((1 << Th) - Tyo) + add b32 $r14 1 + shl b32 $r15 $r14 12 + sub b32 $r14 $r11 + or $r15 $r14 + xbit $r6 $flags $p2 + add b32 $r6 0x208 + shl b32 $r6 8 + iowr I[$r6 + 0x000] $r15 + + // Op += Tyo << Tp + shl b32 $r11 $r7 + add b32 $r12 $r11 + + // nTx = ((w * cpp) + ((1 << Tp) - 1) >> Tp) + ld b32 $r15 D[$r5 + #ctx_src_xsize] + ld b32 $r11 D[$r5 + #ctx_src_cpp] + mulu $r15 $r11 + mov $r11 1 + shl b32 $r11 $r7 + sub b32 $r11 1 + add b32 $r15 $r11 + shr b32 $r15 $r7 + push $r15 + + // nTy = (h + ((1 << Th) - 1)) >> Th + ld b32 $r15 D[$r5 + #ctx_src_ysize] + mov $r11 1 + shl b32 $r11 $r8 + sub b32 $r11 1 + add b32 $r15 $r11 + shr b32 $r15 $r8 + push $r15 + + // Tys = Tp + Th + // CFG_YZ_TILE_SIZE = ((1 << Th) >> 2) << Td + add b32 $r7 $r8 + sub b32 $r8 2 + mov $r11 1 + shl b32 $r11 $r8 + shl b32 $r11 $r9 + + // Tzo = z & ((1 << Td) - 1) + // Tz = z >> Td + // Op += Tzo << Tys + // Ts = Tys + Td + ld b32 $r8 D[$r5 + #ctx_src_zoff] + mov $r14 1 + shl b32 $r14 $r9 + sub b32 $r14 1 + and $r15 $r8 $r14 + shl b32 $r15 $r7 + add b32 $r12 $r15 + add b32 $r7 $r9 + shr b32 $r8 $r9 + + // Ot = ((Tz * nTy * nTx) + (Ty * nTx) + Tx) << Ts + pop $r15 + pop $r9 + mulu $r13 $r9 + add b32 $r10 $r13 + mulu $r8 $r9 + mulu $r8 $r15 + add b32 $r10 $r8 + shl b32 $r10 $r7 + + // PITCH = (nTx - 1) << Ts + sub b32 $r9 1 + shl b32 $r9 $r7 + iowr I[$r6 + 0x200] $r9 + + // SRC_ADDRESS_LOW = (Ot + Op) & 0xffffffff + // CFG_ADDRESS_HIGH |= ((Ot + Op) >> 32) << 16 + ld b32 $r7 D[$r5 + #ctx_src_address_low] + ld b32 $r8 D[$r5 + #ctx_src_address_high] + add b32 $r10 $r12 + add b32 $r7 $r10 + adc b32 $r8 0 + shl b32 $r8 16 + or $r8 $r11 + sub b32 $r6 0x600 + iowr I[$r6 + 0x000] $r7 + add b32 $r6 0x400 + iowr I[$r6 + 0x000] $r8 + ret + +// Setup to handle a linear surface +// +// Nothing to see here.. Sets ADDRESS and PITCH, pretty non-exciting +// +cmd_exec_set_surface_linear: + xbit $r6 $flags $p2 + add b32 $r6 0x202 + shl b32 $r6 8 + ld b32 $r7 D[$r5 + #ctx_src_address_low] + iowr I[$r6 + 0x000] $r7 + add b32 $r6 0x400 + ld b32 $r7 D[$r5 + #ctx_src_address_high] + shl b32 $r7 16 + iowr I[$r6 + 0x000] $r7 + add b32 $r6 0x400 + ld b32 $r7 D[$r5 + #ctx_src_pitch] + iowr I[$r6 + 0x000] $r7 + ret + +// wait for regs to be available for use +cmd_exec_wait: + push $r0 + push $r1 + mov $r0 0x800 + shl b32 $r0 6 + loop: + iord $r1 I[$r0] + and $r1 1 + bra ne #loop + pop $r1 + pop $r0 + ret + +cmd_exec_query: + // if QUERY_SHORT not set, write out { -, 0, TIME_LO, TIME_HI } + xbit $r4 $r3 13 + bra ne #query_counter + call #cmd_exec_wait + mov $r4 0x80c + shl b32 $r4 6 + ld b32 $r5 D[$r0 + #ctx_query_address_low] + add b32 $r5 4 + iowr I[$r4 + 0x000] $r5 + iowr I[$r4 + 0x100] $r0 + mov $r5 0xc + iowr I[$r4 + 0x200] $r5 + add b32 $r4 0x400 + ld b32 $r5 D[$r0 + #ctx_query_address_high] + shl b32 $r5 16 + iowr I[$r4 + 0x000] $r5 + add b32 $r4 0x500 + mov $r5 0x00000b00 + sethi $r5 0x00010000 + iowr I[$r4 + 0x000] $r5 + mov $r5 0x00004040 + shl b32 $r5 1 + sethi $r5 0x80800000 + iowr I[$r4 + 0x100] $r5 + mov $r5 0x00001110 + sethi $r5 0x13120000 + iowr I[$r4 + 0x200] $r5 + mov $r5 0x00001514 + sethi $r5 0x17160000 + iowr I[$r4 + 0x300] $r5 + mov $r5 0x00002601 + sethi $r5 0x00010000 + mov $r4 0x800 + shl b32 $r4 6 + iowr I[$r4 + 0x000] $r5 + + // write COUNTER + query_counter: + call #cmd_exec_wait + mov $r4 0x80c + shl b32 $r4 6 + ld b32 $r5 D[$r0 + #ctx_query_address_low] + iowr I[$r4 + 0x000] $r5 + iowr I[$r4 + 0x100] $r0 + mov $r5 0x4 + iowr I[$r4 + 0x200] $r5 + add b32 $r4 0x400 + ld b32 $r5 D[$r0 + #ctx_query_address_high] + shl b32 $r5 16 + iowr I[$r4 + 0x000] $r5 + add b32 $r4 0x500 + mov $r5 0x00000300 + iowr I[$r4 + 0x000] $r5 + mov $r5 0x00001110 + sethi $r5 0x13120000 + iowr I[$r4 + 0x100] $r5 + ld b32 $r5 D[$r0 + #ctx_query_counter] + add b32 $r4 0x500 + iowr I[$r4 + 0x000] $r5 + mov $r5 0x00002601 + sethi $r5 0x00010000 + mov $r4 0x800 + shl b32 $r4 6 + iowr I[$r4 + 0x000] $r5 + ret + +// Execute a copy operation +// +// Inputs: +// $r1: irqh state +// $r2: hostirq state +// $r3: data +// 000002000 QUERY_SHORT +// 000001000 QUERY +// 000000100 DST_LINEAR +// 000000010 SRC_LINEAR +// 000000001 FORMAT +// $r4: dispatch table entry +// Outputs: +// $r1: irqh state +// $p1: set on error +// $r2: hostirq state +// $r3: data +cmd_exec: + call #cmd_exec_wait + + // if format requested, call function to calculate it, otherwise + // fill in cpp/xcnt for both surfaces as if (cpp == 1) + xbit $r15 $r3 0 + bra e #cmd_exec_no_format + call #cmd_exec_set_format + mov $r4 0x200 + bra #cmd_exec_init_src_surface + cmd_exec_no_format: + mov $r6 0x810 + shl b32 $r6 6 + mov $r7 1 + st b32 D[$r0 + #ctx_src_cpp] $r7 + st b32 D[$r0 + #ctx_dst_cpp] $r7 + ld b32 $r7 D[$r0 + #ctx_xcnt] + iowr I[$r6 + 0x000] $r7 + iowr I[$r6 + 0x100] $r7 + clear b32 $r4 + + cmd_exec_init_src_surface: + bclr $flags $p2 + clear b32 $r5 + xbit $r15 $r3 4 + bra e #src_tiled + call #cmd_exec_set_surface_linear + bra #cmd_exec_init_dst_surface + src_tiled: + call #cmd_exec_set_surface_tiled + bset $r4 7 + + cmd_exec_init_dst_surface: + bset $flags $p2 + mov $r5 #ctx_dst_address_high - #ctx_src_address_high + xbit $r15 $r3 8 + bra e #dst_tiled + call #cmd_exec_set_surface_linear + bra #cmd_exec_kick + dst_tiled: + call #cmd_exec_set_surface_tiled + bset $r4 8 + + cmd_exec_kick: + mov $r5 0x800 + shl b32 $r5 6 + ld b32 $r6 D[$r0 + #ctx_ycnt] + iowr I[$r5 + 0x100] $r6 + mov $r6 0x0041 + // SRC_TARGET = 1, DST_TARGET = 2 + sethi $r6 0x44000000 + or $r4 $r6 + iowr I[$r5] $r4 + + // if requested, queue up a QUERY write after the copy has completed + xbit $r15 $r3 12 + bra e #cmd_exec_done + call #cmd_exec_query + + cmd_exec_done: + ret + +// Flush write cache +// +// Inputs: +// $r1: irqh state +// $r2: hostirq state +// $r3: data +// $r4: dispatch table entry +// Outputs: +// $r1: irqh state +// $p1: set on error +// $r2: hostirq state +// $r3: data +cmd_wrcache_flush: + mov $r2 0x2200 + clear b32 $r3 + sethi $r3 0x10000 + iowr I[$r2] $r3 + ret + +.align 0x100 |