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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/memx.fuc | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/memx.fuc')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/memx.fuc | 447 |
1 files changed, 447 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/memx.fuc b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/memx.fuc new file mode 100644 index 000000000..1663bf943 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/memx.fuc @@ -0,0 +1,447 @@ +/* + * Copyright 2013 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 INCLUDE_PROC +process(PROC_MEMX, #memx_init, #memx_recv) +#endif + +/****************************************************************************** + * MEMX data segment + *****************************************************************************/ +#ifdef INCLUDE_DATA +.equ #memx_opcode 0 +.equ #memx_header 2 +.equ #memx_length 4 +.equ #memx_func 8 + +#define handler(cmd,hdr,len,func) /* +*/ .b16 MEMX_##cmd /* +*/ .b16 hdr /* +*/ .b16 len /* +*/ .b16 0 /* +*/ .b32 func + +memx_func_head: +handler(ENTER , 0x0000, 0x0000, #memx_func_enter) +memx_func_next: +handler(LEAVE , 0x0000, 0x0000, #memx_func_leave) +handler(WR32 , 0x0000, 0x0002, #memx_func_wr32) +handler(WAIT , 0x0004, 0x0000, #memx_func_wait) +handler(DELAY , 0x0001, 0x0000, #memx_func_delay) +handler(VBLANK, 0x0001, 0x0000, #memx_func_wait_vblank) +handler(TRAIN , 0x0000, 0x0000, #memx_func_train) +memx_func_tail: + +.equ #memx_func_size #memx_func_next - #memx_func_head +.equ #memx_func_num (#memx_func_tail - #memx_func_head) / #memx_func_size + +memx_ts_start: +.b32 0 +memx_ts_end: +.b32 0 + +memx_data_head: +.skip 0x0800 +memx_data_tail: + +memx_train_head: +.skip 0x0100 +memx_train_tail: +#endif + +/****************************************************************************** + * MEMX code segment + *****************************************************************************/ +#ifdef INCLUDE_CODE +// description +// +// $r15 - current (memx) +// $r4 - packet length +// $r3 - opcode desciption +// $r0 - zero +memx_func_enter: +#if NVKM_PPWR_CHIPSET == GT215 + mov $r8 0x1610 + nv_rd32($r7, $r8) + imm32($r6, 0xfffffffc) + and $r7 $r6 + mov $r6 0x2 + or $r7 $r6 + nv_wr32($r8, $r7) +#else + mov $r6 0x001620 + imm32($r7, ~0x00000aa2); + nv_rd32($r8, $r6) + and $r8 $r7 + nv_wr32($r6, $r8) + + imm32($r7, ~0x00000001) + nv_rd32($r8, $r6) + and $r8 $r7 + nv_wr32($r6, $r8) + + mov $r6 0x0026f0 + nv_rd32($r8, $r6) + and $r8 $r7 + nv_wr32($r6, $r8) +#endif + + mov $r6 NV_PPWR_OUTPUT_SET_FB_PAUSE + nv_iowr(NV_PPWR_OUTPUT_SET, $r6) + memx_func_enter_wait: + nv_iord($r6, NV_PPWR_OUTPUT) + and $r6 NV_PPWR_OUTPUT_FB_PAUSE + bra z #memx_func_enter_wait + + nv_iord($r6, NV_PPWR_TIMER_LOW) + st b32 D[$r0 + #memx_ts_start] $r6 + ret + +// description +// +// $r15 - current (memx) +// $r4 - packet length +// $r3 - opcode desciption +// $r0 - zero +memx_func_leave: + nv_iord($r6, NV_PPWR_TIMER_LOW) + st b32 D[$r0 + #memx_ts_end] $r6 + + mov $r6 NV_PPWR_OUTPUT_CLR_FB_PAUSE + nv_iowr(NV_PPWR_OUTPUT_CLR, $r6) + memx_func_leave_wait: + nv_iord($r6, NV_PPWR_OUTPUT) + and $r6 NV_PPWR_OUTPUT_FB_PAUSE + bra nz #memx_func_leave_wait + +#if NVKM_PPWR_CHIPSET == GT215 + mov $r8 0x1610 + nv_rd32($r7, $r8) + imm32($r6, 0xffffffcc) + and $r7 $r6 + nv_wr32($r8, $r7) +#else + mov $r6 0x0026f0 + imm32($r7, 0x00000001) + nv_rd32($r8, $r6) + or $r8 $r7 + nv_wr32($r6, $r8) + + mov $r6 0x001620 + nv_rd32($r8, $r6) + or $r8 $r7 + nv_wr32($r6, $r8) + + imm32($r7, 0x00000aa2); + nv_rd32($r8, $r6) + or $r8 $r7 + nv_wr32($r6, $r8) +#endif + ret + +#if NVKM_PPWR_CHIPSET < GF119 +// description +// +// $r15 - current (memx) +// $r4 - packet length +// +00: head to wait for vblank on +// $r3 - opcode desciption +// $r0 - zero +memx_func_wait_vblank: + ld b32 $r6 D[$r1 + 0x00] + cmp b32 $r6 0x0 + bra z #memx_func_wait_vblank_head0 + cmp b32 $r6 0x1 + bra z #memx_func_wait_vblank_head1 + bra #memx_func_wait_vblank_fini + + memx_func_wait_vblank_head1: + mov $r7 0x20 + bra #memx_func_wait_vblank_0 + + memx_func_wait_vblank_head0: + mov $r7 0x8 + + memx_func_wait_vblank_0: + nv_iord($r6, NV_PPWR_INPUT) + and $r6 $r7 + bra nz #memx_func_wait_vblank_0 + + memx_func_wait_vblank_1: + nv_iord($r6, NV_PPWR_INPUT) + and $r6 $r7 + bra z #memx_func_wait_vblank_1 + + memx_func_wait_vblank_fini: + add b32 $r1 0x4 + ret + +#else + +// XXX: currently no-op +// +// $r15 - current (memx) +// $r4 - packet length +// +00: head to wait for vblank on +// $r3 - opcode desciption +// $r0 - zero +memx_func_wait_vblank: + add b32 $r1 0x4 + ret + +#endif + +// description +// +// $r15 - current (memx) +// $r4 - packet length +// +00*n: addr +// +04*n: data +// $r3 - opcode desciption +// $r0 - zero +memx_func_wr32: + ld b32 $r6 D[$r1 + 0x00] + ld b32 $r5 D[$r1 + 0x04] + add b32 $r1 0x08 + nv_wr32($r6, $r5) + sub b32 $r4 0x02 + bra nz #memx_func_wr32 + ret + +// description +// +// $r15 - current (memx) +// $r4 - packet length +// +00: addr +// +04: mask +// +08: data +// +0c: timeout (ns) +// $r3 - opcode desciption +// $r0 - zero +memx_func_wait: + nv_iord($r8, NV_PPWR_TIMER_LOW) + ld b32 $r14 D[$r1 + 0x00] + ld b32 $r13 D[$r1 + 0x04] + ld b32 $r12 D[$r1 + 0x08] + ld b32 $r11 D[$r1 + 0x0c] + add b32 $r1 0x10 + call(wait) + ret + +// description +// +// $r15 - current (memx) +// $r4 - packet length +// +00: time (ns) +// $r3 - opcode desciption +// $r0 - zero +memx_func_delay: + ld b32 $r14 D[$r1 + 0x00] + add b32 $r1 0x04 + call(nsec) + ret + +// description +// +// $r15 - current (memx) +// $r4 - packet length +// $r3 - opcode desciption +// $r0 - zero +memx_func_train: +#if NVKM_PPWR_CHIPSET == GT215 +// $r5 - outer loop counter +// $r6 - inner loop counter +// $r7 - entry counter (#memx_train_head + $r7) + mov $r5 0x3 + mov $r7 0x0 + +// Read random memory to wake up... things + imm32($r9, 0x700000) + nv_rd32($r8,$r9) + mov $r14 0x2710 + call(nsec) + + memx_func_train_loop_outer: + mulu $r8 $r5 0x101 + sethi $r8 0x02000000 + imm32($r9, 0x1111e0) + nv_wr32($r9, $r8) + push $r5 + + mov $r6 0x0 + memx_func_train_loop_inner: + mov $r8 0x1111 + mulu $r9 $r6 $r8 + shl b32 $r8 $r9 0x10 + or $r8 $r9 + imm32($r9, 0x100720) + nv_wr32($r9, $r8) + + imm32($r9, 0x100080) + nv_rd32($r8, $r9) + or $r8 $r8 0x20 + nv_wr32($r9, $r8) + + imm32($r9, 0x10053c) + imm32($r8, 0x80003002) + nv_wr32($r9, $r8) + + imm32($r14, 0x100560) + imm32($r13, 0x80000000) + add b32 $r12 $r13 0 + imm32($r11, 0x001e8480) + call(wait) + + // $r5 - inner inner loop counter + // $r9 - result + mov $r5 0 + imm32($r9, 0x8300ffff) + memx_func_train_loop_4x: + imm32($r10, 0x100080) + nv_rd32($r8, $r10) + imm32($r11, 0xffffffdf) + and $r8 $r11 + nv_wr32($r10, $r8) + + imm32($r10, 0x10053c) + imm32($r8, 0x80003002) + nv_wr32($r10, $r8) + + imm32($r14, 0x100560) + imm32($r13, 0x80000000) + mov b32 $r12 $r13 + imm32($r11, 0x00002710) + call(wait) + + nv_rd32($r13, $r14) + and $r9 $r9 $r13 + + add b32 $r5 1 + cmp b16 $r5 0x4 + bra l #memx_func_train_loop_4x + + add b32 $r10 $r7 #memx_train_head + st b32 D[$r10 + 0] $r9 + add b32 $r6 1 + add b32 $r7 4 + + cmp b16 $r6 0x10 + bra l #memx_func_train_loop_inner + + pop $r5 + add b32 $r5 1 + cmp b16 $r5 7 + bra l #memx_func_train_loop_outer + +#endif + ret + +// description +// +// $r15 - current (memx) +// $r14 - sender process name +// $r13 - message (exec) +// $r12 - head of script +// $r11 - tail of script +// $r0 - zero +memx_exec: + push $r14 + push $r13 + mov b32 $r1 $r12 + mov b32 $r2 $r11 + + memx_exec_next: + // fetch the packet header + ld b32 $r3 D[$r1] + add b32 $r1 4 + extr $r4 $r3 16:31 + extr $r3 $r3 0:15 + + // execute the opcode handler + sub b32 $r3 1 + mulu $r3 #memx_func_size + ld b32 $r5 D[$r3 + #memx_func_head + #memx_func] + call $r5 + + // keep going, if we haven't reached the end + cmp b32 $r1 $r2 + bra l #memx_exec_next + + // send completion reply + ld b32 $r11 D[$r0 + #memx_ts_start] + ld b32 $r12 D[$r0 + #memx_ts_end] + sub b32 $r12 $r11 + nv_iord($r11, NV_PPWR_INPUT) + pop $r13 + pop $r14 + call(send) + ret + +// description +// +// $r15 - current (memx) +// $r14 - sender process name +// $r13 - message +// $r12 - data0 +// $r11 - data1 +// $r0 - zero +memx_info: + cmp b16 $r12 0x1 + bra e #memx_info_train + + memx_info_data: + mov $r12 #memx_data_head + mov $r11 #memx_data_tail - #memx_data_head + bra #memx_info_send + + memx_info_train: + mov $r12 #memx_train_head + mov $r11 #memx_train_tail - #memx_train_head + + memx_info_send: + call(send) + ret + +// description +// +// $r15 - current (memx) +// $r14 - sender process name +// $r13 - message +// $r12 - data0 +// $r11 - data1 +// $r0 - zero +memx_recv: + cmp b32 $r13 MEMX_MSG_EXEC + bra e #memx_exec + cmp b32 $r13 MEMX_MSG_INFO + bra e #memx_info + ret + +// description +// +// $r15 - current (memx) +// $r0 - zero +memx_init: + ret +#endif |