提交 2984506f 编写于 作者: B Ben Skeggs

drm/nouveau/bus: add interfaces/helpers for sequencer

Signed-off-by: NBen Skeggs <bskeggs@redhat.com>
上级 48ae0b35
......@@ -44,6 +44,7 @@ nouveau-y += core/subdev/bios/xpio.o
nouveau-y += core/subdev/bus/nv04.o
nouveau-y += core/subdev/bus/nv31.o
nouveau-y += core/subdev/bus/nv50.o
nouveau-y += core/subdev/bus/nv94.o
nouveau-y += core/subdev/bus/nvc0.o
nouveau-y += core/subdev/clock/nv04.o
nouveau-y += core/subdev/clock/nv40.o
......
......@@ -166,7 +166,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = nv94_mc_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv50_bus_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv94_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nv84_fb_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
......@@ -192,7 +192,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = nv94_mc_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv50_bus_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv94_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nv84_fb_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
......@@ -218,7 +218,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv50_bus_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv94_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nv84_fb_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
......@@ -244,7 +244,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv50_bus_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv94_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nv84_fb_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
......@@ -270,7 +270,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv50_bus_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv94_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvaa_fb_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
......@@ -296,7 +296,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv50_bus_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv94_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvaa_fb_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
......@@ -322,7 +322,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nva3_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv50_bus_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv94_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nva3_fb_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
......@@ -350,7 +350,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nva3_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv50_bus_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv94_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nva3_fb_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
......@@ -377,7 +377,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nva3_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv50_bus_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv94_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nva3_fb_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
......@@ -404,7 +404,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nva3_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv50_bus_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nv94_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nvaf_fb_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
......
......@@ -11,6 +11,8 @@ struct nouveau_bus_intr {
struct nouveau_bus {
struct nouveau_subdev base;
int (*hwsq_exec)(struct nouveau_bus *, u32 *, u32);
u32 hwsq_size;
};
static inline struct nouveau_bus *
......@@ -36,6 +38,16 @@ nouveau_bus(void *obj)
extern struct nouveau_oclass *nv04_bus_oclass;
extern struct nouveau_oclass *nv31_bus_oclass;
extern struct nouveau_oclass *nv50_bus_oclass;
extern struct nouveau_oclass *nv94_bus_oclass;
extern struct nouveau_oclass *nvc0_bus_oclass;
/* interface to sequencer */
struct nouveau_hwsq;
int nouveau_hwsq_init(struct nouveau_bus *, struct nouveau_hwsq **);
int nouveau_hwsq_fini(struct nouveau_hwsq **, bool exec);
void nouveau_hwsq_wr32(struct nouveau_hwsq *, u32 addr, u32 data);
void nouveau_hwsq_setf(struct nouveau_hwsq *, u8 flag, int data);
void nouveau_hwsq_wait(struct nouveau_hwsq *, u8 flag, u8 data);
void nouveau_hwsq_nsec(struct nouveau_hwsq *, u32 nsec);
#endif
/*
* 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 <bskeggs@redhat.com>
*/
#include <subdev/timer.h>
#include <subdev/bus.h>
struct nouveau_hwsq {
struct nouveau_bus *pbus;
u32 addr;
u32 data;
struct {
u8 data[512];
u8 size;
} c;
};
static void
hwsq_cmd(struct nouveau_hwsq *hwsq, int size, u8 data[])
{
memcpy(&hwsq->c.data[hwsq->c.size], data, size * sizeof(data[0]));
hwsq->c.size += size;
}
int
nouveau_hwsq_init(struct nouveau_bus *pbus, struct nouveau_hwsq **phwsq)
{
struct nouveau_hwsq *hwsq;
hwsq = *phwsq = kmalloc(sizeof(*hwsq), GFP_KERNEL);
if (hwsq) {
hwsq->pbus = pbus;
hwsq->addr = ~0;
hwsq->data = ~0;
memset(hwsq->c.data, 0x7f, sizeof(hwsq->c.data));
hwsq->c.size = 0;
}
return hwsq ? 0 : -ENOMEM;
}
int
nouveau_hwsq_fini(struct nouveau_hwsq **phwsq, bool exec)
{
struct nouveau_hwsq *hwsq = *phwsq;
int ret = 0, i;
if (hwsq) {
struct nouveau_bus *pbus = hwsq->pbus;
hwsq->c.size = (hwsq->c.size + 4) / 4;
if (hwsq->c.size <= pbus->hwsq_size) {
if (exec)
ret = pbus->hwsq_exec(pbus, (u32 *)hwsq->c.data,
hwsq->c.size);
if (ret)
nv_error(pbus, "hwsq exec failed: %d\n", ret);
} else {
nv_error(pbus, "hwsq ucode too large\n");
ret = -ENOSPC;
}
for (i = 0; ret && i < hwsq->c.size; i++)
nv_error(pbus, "\t0x%08x\n", ((u32 *)hwsq->c.data)[i]);
*phwsq = NULL;
kfree(hwsq);
}
return ret;
}
void
nouveau_hwsq_wr32(struct nouveau_hwsq *hwsq, u32 addr, u32 data)
{
nv_debug(hwsq->pbus, "R[%06x] = 0x%08x\n", addr, data);
if (hwsq->data != data) {
if ((data & 0xffff0000) != (hwsq->data & 0xffff0000)) {
hwsq_cmd(hwsq, 5, (u8[]){ 0xe2, data, data >> 8,
data >> 16, data >> 24 });
} else {
hwsq_cmd(hwsq, 3, (u8[]){ 0x42, data, data >> 8 });
}
}
if ((addr & 0xffff0000) != (hwsq->addr & 0xffff0000)) {
hwsq_cmd(hwsq, 5, (u8[]){ 0xe0, addr, addr >> 8,
addr >> 16, addr >> 24 });
} else {
hwsq_cmd(hwsq, 3, (u8[]){ 0x40, addr, addr >> 8 });
}
hwsq->addr = addr;
hwsq->data = data;
}
void
nouveau_hwsq_setf(struct nouveau_hwsq *hwsq, u8 flag, int data)
{
nv_debug(hwsq->pbus, " FLAG[%02x] = %d\n", flag, data);
flag += 0x80;
if (data >= 0)
flag += 0x20;
if (data >= 1)
flag += 0x20;
hwsq_cmd(hwsq, 1, (u8[]){ flag });
}
void
nouveau_hwsq_wait(struct nouveau_hwsq *hwsq, u8 flag, u8 data)
{
nv_debug(hwsq->pbus, " WAIT[%02x] = %d\n", flag, data);
hwsq_cmd(hwsq, 3, (u8[]){ 0x5f, flag, data });
}
void
nouveau_hwsq_nsec(struct nouveau_hwsq *hwsq, u32 nsec)
{
u8 shift = 0, usec = nsec / 1000;
while (usec & ~3) {
usec >>= 2;
shift++;
}
nv_debug(hwsq->pbus, " DELAY = %d ns\n", nsec);
hwsq_cmd(hwsq, 1, (u8[]){ 0x00 | (shift << 2) | usec });
}
#ifndef __NVKM_BUS_HWSQ_H__
#define __NVKM_BUS_HWSQ_H__
#include <subdev/bus.h>
struct hwsq {
struct nouveau_subdev *subdev;
struct nouveau_hwsq *hwsq;
int sequence;
};
struct hwsq_reg {
int sequence;
bool force;
u32 addr[2];
u32 data;
};
static inline struct hwsq_reg
hwsq_reg2(u32 addr1, u32 addr2)
{
return (struct hwsq_reg) {
.sequence = 0,
.force = 0,
.addr = { addr1, addr2 },
.data = 0xdeadbeef,
};
}
static inline struct hwsq_reg
hwsq_reg(u32 addr)
{
return hwsq_reg2(addr, addr);
}
static inline int
hwsq_init(struct hwsq *ram, struct nouveau_subdev *subdev)
{
struct nouveau_bus *pbus = nouveau_bus(subdev);
int ret;
ret = nouveau_hwsq_init(pbus, &ram->hwsq);
if (ret)
return ret;
ram->sequence++;
ram->subdev = subdev;
return 0;
}
static inline int
hwsq_exec(struct hwsq *ram, bool exec)
{
int ret = 0;
if (ram->subdev) {
ret = nouveau_hwsq_fini(&ram->hwsq, exec);
ram->subdev = NULL;
}
return ret;
}
static inline u32
hwsq_rd32(struct hwsq *ram, struct hwsq_reg *reg)
{
if (reg->sequence != ram->sequence)
reg->data = nv_rd32(ram->subdev, reg->addr[0]);
return reg->data;
}
static inline void
hwsq_wr32(struct hwsq *ram, struct hwsq_reg *reg, u32 data)
{
reg->sequence = ram->sequence;
reg->data = data;
if (reg->addr[0] != reg->addr[1])
nouveau_hwsq_wr32(ram->hwsq, reg->addr[1], reg->data);
nouveau_hwsq_wr32(ram->hwsq, reg->addr[0], reg->data);
}
static inline void
hwsq_nuke(struct hwsq *ram, struct hwsq_reg *reg)
{
reg->force = true;
}
static inline u32
hwsq_mask(struct hwsq *ram, struct hwsq_reg *reg, u32 mask, u32 data)
{
u32 temp = hwsq_rd32(ram, reg);
if (temp != ((temp & ~mask) | data) || reg->force)
hwsq_wr32(ram, reg, (temp & ~mask) | data);
return temp;
}
static inline void
hwsq_setf(struct hwsq *ram, u8 flag, int data)
{
nouveau_hwsq_setf(ram->hwsq, flag, data);
}
static inline void
hwsq_wait(struct hwsq *ram, u8 flag, u8 data)
{
nouveau_hwsq_wait(ram->hwsq, flag, data);
}
static inline void
hwsq_nsec(struct hwsq *ram, u32 nsec)
{
nouveau_hwsq_nsec(ram->hwsq, nsec);
}
#endif
......@@ -77,6 +77,8 @@ nv04_bus_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
return ret;
nv_subdev(priv)->intr = impl->intr;
priv->base.hwsq_exec = impl->hwsq_exec;
priv->base.hwsq_size = impl->hwsq_size;
return 0;
}
......
......@@ -7,13 +7,17 @@ struct nv04_bus_priv {
struct nouveau_bus base;
};
int nv04_bus_ctor(struct nouveau_object *, struct nouveau_object *,
struct nouveau_oclass *, void *, u32,
struct nouveau_object **);
int nv04_bus_ctor(struct nouveau_object *, struct nouveau_object *,
struct nouveau_oclass *, void *, u32,
struct nouveau_object **);
int nv50_bus_init(struct nouveau_object *);
void nv50_bus_intr(struct nouveau_subdev *);
struct nv04_bus_impl {
struct nouveau_oclass base;
void (*intr)(struct nouveau_subdev *);
int (*hwsq_exec)(struct nouveau_bus *, u32 *, u32);
u32 hwsq_size;
};
#endif
......@@ -23,9 +23,27 @@
* Ben Skeggs
*/
#include <subdev/timer.h>
#include "nv04.h"
static void
static int
nv50_bus_hwsq_exec(struct nouveau_bus *pbus, u32 *data, u32 size)
{
struct nv50_bus_priv *priv = (void *)pbus;
int i;
nv_mask(pbus, 0x001098, 0x00000008, 0x00000000);
nv_wr32(pbus, 0x001304, 0x00000000);
for (i = 0; i < size; i++)
nv_wr32(priv, 0x001400 + (i * 4), data[i]);
nv_mask(pbus, 0x001098, 0x00000018, 0x00000018);
nv_wr32(pbus, 0x00130c, 0x00000003);
return nv_wait(pbus, 0x001308, 0x00000100, 0x00000000) ? 0 : -ETIMEDOUT;
}
void
nv50_bus_intr(struct nouveau_subdev *subdev)
{
struct nouveau_bus *pbus = nouveau_bus(subdev);
......@@ -57,7 +75,7 @@ nv50_bus_intr(struct nouveau_subdev *subdev)
}
}
static int
int
nv50_bus_init(struct nouveau_object *object)
{
struct nv04_bus_priv *priv = (void *)object;
......@@ -82,4 +100,6 @@ nv50_bus_oclass = &(struct nv04_bus_impl) {
.fini = _nouveau_bus_fini,
},
.intr = nv50_bus_intr,
.hwsq_exec = nv50_bus_hwsq_exec,
.hwsq_size = 64,
}.base;
/*
* Copyright 2012 Nouveau Community
*
* 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: Martin Peres <martin.peres@labri.fr>
* Ben Skeggs
*/
#include <subdev/timer.h>
#include "nv04.h"
static int
nv94_bus_hwsq_exec(struct nouveau_bus *pbus, u32 *data, u32 size)
{
struct nv50_bus_priv *priv = (void *)pbus;
int i;
nv_mask(pbus, 0x001098, 0x00000008, 0x00000000);
nv_wr32(pbus, 0x001304, 0x00000000);
nv_wr32(pbus, 0x001318, 0x00000000);
for (i = 0; i < size; i++)
nv_wr32(priv, 0x080000 + (i * 4), data[i]);
nv_mask(pbus, 0x001098, 0x00000018, 0x00000018);
nv_wr32(pbus, 0x00130c, 0x00000001);
return nv_wait(pbus, 0x001308, 0x00000100, 0x00000000) ? 0 : -ETIMEDOUT;
}
struct nouveau_oclass *
nv94_bus_oclass = &(struct nv04_bus_impl) {
.base.handle = NV_SUBDEV(BUS, 0x94),
.base.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv04_bus_ctor,
.dtor = _nouveau_bus_dtor,
.init = nv50_bus_init,
.fini = _nouveau_bus_fini,
},
.intr = nv50_bus_intr,
.hwsq_exec = nv94_bus_hwsq_exec,
.hwsq_size = 128,
}.base;
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