| /* 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_ce_data |
| #else |
| .section #gf100_ce_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_ce_code |
| #else |
| .section #gf100_ce_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 |
