mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2026-05-05 00:58:05 +02:00
freedreno/tu+drm: Extract out pm4 pkt header helpers
I'm going to need these in a 3rd place, so let's deduplicate first. Signed-off-by: Rob Clark <robdclark@chromium.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10944>
This commit is contained in:
Rob Clark
Marge Bot
parent
d71584aec3
commit
62c53d4361
5 changed files with 103 additions and 46 deletions
91
src/freedreno/common/freedreno_pm4.h
Normal file
91
src/freedreno/common/freedreno_pm4.h
Normal file
|
|
@ -0,0 +1,91 @@
|
|||
/*
|
||||
* Copyright (C) 2012-2018 Rob Clark <robclark@freedesktop.org>
|
||||
*
|
||||
* 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 AUTHORS OR COPYRIGHT HOLDERS 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:
|
||||
* Rob Clark <robclark@freedesktop.org>
|
||||
*/
|
||||
|
||||
#ifndef FREEDRENO_PM4_H_
|
||||
#define FREEDRENO_PM4_H_
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#define CP_TYPE0_PKT 0x00000000
|
||||
#define CP_TYPE2_PKT 0x80000000
|
||||
#define CP_TYPE3_PKT 0xc0000000
|
||||
#define CP_TYPE4_PKT 0x40000000
|
||||
#define CP_TYPE7_PKT 0x70000000
|
||||
|
||||
/*
|
||||
* Helpers for pm4 pkt header building/parsing:
|
||||
*/
|
||||
|
||||
static inline unsigned
|
||||
pm4_odd_parity_bit(unsigned val)
|
||||
{
|
||||
/* See: http://graphics.stanford.edu/~seander/bithacks.html#ParityParallel
|
||||
* note that we want odd parity so 0x6996 is inverted.
|
||||
*/
|
||||
val ^= val >> 16;
|
||||
val ^= val >> 8;
|
||||
val ^= val >> 4;
|
||||
val &= 0xf;
|
||||
return (~0x6996 >> val) & 1;
|
||||
}
|
||||
|
||||
static inline uint32_t
|
||||
pm4_pkt0_hdr(uint16_t regindx, uint16_t cnt)
|
||||
{
|
||||
return CP_TYPE0_PKT | ((cnt - 1) << 16) | (regindx & 0x7fff);
|
||||
}
|
||||
|
||||
static inline uint32_t
|
||||
pm4_pkt3_hdr(uint8_t opcode, uint16_t cnt)
|
||||
{
|
||||
return CP_TYPE3_PKT | ((cnt - 1) << 16) | ((opcode & 0xff) << 8);
|
||||
}
|
||||
|
||||
static inline uint32_t
|
||||
pm4_pkt4_hdr(uint16_t regindx, uint16_t cnt)
|
||||
{
|
||||
return CP_TYPE4_PKT | cnt | (pm4_odd_parity_bit(cnt) << 7) |
|
||||
((regindx & 0x3ffff) << 8) |
|
||||
((pm4_odd_parity_bit(regindx) << 27));
|
||||
}
|
||||
|
||||
static inline uint32_t
|
||||
pm4_pkt7_hdr(uint8_t opcode, uint16_t cnt)
|
||||
{
|
||||
return CP_TYPE7_PKT | cnt | (pm4_odd_parity_bit(cnt) << 15) |
|
||||
((opcode & 0x7f) << 16) |
|
||||
((pm4_odd_parity_bit(opcode) << 23));
|
||||
}
|
||||
|
||||
#ifdef __cplusplus
|
||||
} /* end of extern "C" */
|
||||
#endif
|
||||
|
||||
#endif /* FREEDRENO_PM4_H_ */
|
||||
|
|
@ -24,6 +24,7 @@ libfreedreno_common = static_library(
|
|||
'disasm.h',
|
||||
'freedreno_dev_info.c',
|
||||
'freedreno_dev_info.h',
|
||||
'freedreno_pm4.h',
|
||||
'freedreno_uuid.c',
|
||||
'freedreno_uuid.h',
|
||||
'freedreno_guardband.h',
|
||||
|
|
|
|||
|
|
@ -35,6 +35,7 @@
|
|||
#include "adreno_common.xml.h"
|
||||
#include "adreno_pm4.xml.h"
|
||||
#include "freedreno_drmif.h"
|
||||
#include "freedreno_pm4.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
|
|
@ -312,7 +313,7 @@ static inline void
|
|||
OUT_PKT0(struct fd_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
|
||||
{
|
||||
BEGIN_RING(ring, cnt + 1);
|
||||
OUT_RING(ring, CP_TYPE0_PKT | ((cnt - 1) << 16) | (regindx & 0x7FFF));
|
||||
OUT_RING(ring, pm4_pkt0_hdr(regindx, cnt));
|
||||
}
|
||||
|
||||
static inline void
|
||||
|
|
@ -333,35 +334,18 @@ OUT_PKT3(struct fd_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
|
|||
* Starting with a5xx, pkt4/pkt7 are used instead of pkt0/pkt3
|
||||
*/
|
||||
|
||||
static inline unsigned
|
||||
_odd_parity_bit(unsigned val)
|
||||
{
|
||||
/* See: http://graphics.stanford.edu/~seander/bithacks.html#ParityParallel
|
||||
* note that we want odd parity so 0x6996 is inverted.
|
||||
*/
|
||||
val ^= val >> 16;
|
||||
val ^= val >> 8;
|
||||
val ^= val >> 4;
|
||||
val &= 0xf;
|
||||
return (~0x6996 >> val) & 1;
|
||||
}
|
||||
|
||||
static inline void
|
||||
OUT_PKT4(struct fd_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
|
||||
{
|
||||
BEGIN_RING(ring, cnt + 1);
|
||||
OUT_RING(ring, CP_TYPE4_PKT | cnt | (_odd_parity_bit(cnt) << 7) |
|
||||
((regindx & 0x3ffff) << 8) |
|
||||
((_odd_parity_bit(regindx) << 27)));
|
||||
OUT_RING(ring, pm4_pkt4_hdr(regindx, cnt));
|
||||
}
|
||||
|
||||
static inline void
|
||||
OUT_PKT7(struct fd_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
|
||||
{
|
||||
BEGIN_RING(ring, cnt + 1);
|
||||
OUT_RING(ring, CP_TYPE7_PKT | cnt | (_odd_parity_bit(cnt) << 15) |
|
||||
((opcode & 0x7f) << 16) |
|
||||
((_odd_parity_bit(opcode) << 23)));
|
||||
OUT_RING(ring, pm4_pkt7_hdr(opcode, cnt));
|
||||
}
|
||||
|
||||
static inline void
|
||||
|
|
|
|||
|
|
@ -27,6 +27,8 @@
|
|||
|
||||
#include "adreno_pm4.xml.h"
|
||||
|
||||
#include "freedreno_pm4.h"
|
||||
|
||||
void
|
||||
tu_cs_init(struct tu_cs *cs,
|
||||
struct tu_device *device,
|
||||
|
|
@ -168,19 +170,6 @@ tu_cs_emit_array(struct tu_cs *cs, const uint32_t *values, uint32_t length)
|
|||
cs->cur += length;
|
||||
}
|
||||
|
||||
static inline unsigned
|
||||
tu_odd_parity_bit(unsigned val)
|
||||
{
|
||||
/* See: http://graphics.stanford.edu/~seander/bithacks.html#ParityParallel
|
||||
* note that we want odd parity so 0x6996 is inverted.
|
||||
*/
|
||||
val ^= val >> 16;
|
||||
val ^= val >> 8;
|
||||
val ^= val >> 4;
|
||||
val &= 0xf;
|
||||
return (~0x6996 >> val) & 1;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the size of the remaining space in the current BO.
|
||||
*/
|
||||
|
|
@ -217,9 +206,7 @@ static inline void
|
|||
tu_cs_emit_pkt4(struct tu_cs *cs, uint16_t regindx, uint16_t cnt)
|
||||
{
|
||||
tu_cs_reserve(cs, cnt + 1);
|
||||
tu_cs_emit(cs, CP_TYPE4_PKT | cnt | (tu_odd_parity_bit(cnt) << 7) |
|
||||
((regindx & 0x3ffff) << 8) |
|
||||
((tu_odd_parity_bit(regindx) << 27)));
|
||||
tu_cs_emit(cs, pm4_pkt4_hdr(regindx, cnt));
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -229,9 +216,7 @@ static inline void
|
|||
tu_cs_emit_pkt7(struct tu_cs *cs, uint8_t opcode, uint16_t cnt)
|
||||
{
|
||||
tu_cs_reserve(cs, cnt + 1);
|
||||
tu_cs_emit(cs, CP_TYPE7_PKT | cnt | (tu_odd_parity_bit(cnt) << 15) |
|
||||
((opcode & 0x7f) << 16) |
|
||||
((tu_odd_parity_bit(opcode) << 23)));
|
||||
tu_cs_emit(cs, pm4_pkt7_hdr(opcode, cnt));
|
||||
}
|
||||
|
||||
static inline void
|
||||
|
|
|
|||
|
|
@ -79,9 +79,7 @@ struct fd_reg_pair {
|
|||
\
|
||||
BEGIN_RING(ring, count + 1); \
|
||||
uint32_t *p = ring->cur; \
|
||||
*p++ = CP_TYPE4_PKT | count | (_odd_parity_bit(count) << 7) | \
|
||||
((regs[0].reg & 0x3ffff) << 8) | \
|
||||
((_odd_parity_bit(regs[0].reg) << 27)); \
|
||||
*p++ = pm4_pkt4_hdr(regs[0].reg, count); \
|
||||
\
|
||||
__ONE_REG(0, __VA_ARGS__); \
|
||||
__ONE_REG(1, __VA_ARGS__); \
|
||||
|
|
@ -111,8 +109,7 @@ struct fd_reg_pair {
|
|||
\
|
||||
BEGIN_RING(ring, count + 1); \
|
||||
uint32_t *p = ring->cur; \
|
||||
*p++ = CP_TYPE7_PKT | count | (_odd_parity_bit(count) << 15) | \
|
||||
((opcode & 0x7f) << 16) | ((_odd_parity_bit(opcode) << 23)); \
|
||||
*p++ = pm4_pkt7_hdr(opcode, count); \
|
||||
\
|
||||
__ONE_REG(0, __VA_ARGS__); \
|
||||
__ONE_REG(1, __VA_ARGS__); \
|
||||
|
|
@ -147,8 +144,7 @@ struct fd_reg_pair {
|
|||
\
|
||||
BEGIN_RING(ring, count + 1); \
|
||||
uint32_t *p = ring->cur; \
|
||||
*p++ = CP_TYPE7_PKT | count | (_odd_parity_bit(count) << 15) | \
|
||||
((opcode & 0x7f) << 16) | ((_odd_parity_bit(opcode) << 23)); \
|
||||
*p++ = pm4_pkt7_hdr(opcode, count); \
|
||||
\
|
||||
__ONE_REG(0, __VA_ARGS__); \
|
||||
__ONE_REG(1, __VA_ARGS__); \
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue