blob: 74624136312d454278edd8d1e0972a9b6b8cef37 [file] [log] [blame]
/*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
* Copyright 2017-2018 NXP
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <linux/io.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/types.h>
#include <video/dpu.h>
#include "dpu-prv.h"
#define PIXENGCFG_STATUS 0x8
#define BASEADDRESS(n) (0x10 + (n) * 0x28)
#define SOURCEBUFFERATTRIBUTES(n) (0x14 + (n) * 0x28)
#define SOURCEBUFFERDIMENSION(n) (0x18 + (n) * 0x28)
#define COLORCOMPONENTBITS(n) (0x1C + (n) * 0x28)
#define COLORCOMPONENTSHIFT(n) (0x20 + (n) * 0x28)
#define LAYEROFFSET(n) (0x24 + (n) * 0x28)
#define CLIPWINDOWOFFSET(n) (0x28 + (n) * 0x28)
#define CLIPWINDOWDIMENSIONS(n) (0x2C + (n) * 0x28)
#define CONSTANTCOLOR(n) (0x30 + (n) * 0x28)
#define LAYERPROPERTY(n) (0x34 + (n) * 0x28)
#define FRAMEDIMENSIONS 0x150
#define FRAMERESAMPLING 0x154
#define CONTROL 0x158
#define TRIGGERENABLE 0x15C
#define SHDLDREQ(lm) ((lm) & 0xFF)
#define CONTROLTRIGGER 0x160
#define START 0x164
#define FETCHTYPE 0x168
#define BURSTBUFFERPROPERTIES 0x16C
#define STATUS 0x170
#define HIDDENSTATUS 0x174
static const shadow_load_req_t fl_shdlreqs[] = {
SHLDREQID_FETCHLAYER0, SHLDREQID_FETCHLAYER1,
};
struct dpu_fetchlayer {
struct dpu_fetchunit fu;
fetchtype_t fetchtype;
shadow_load_req_t shdlreq;
};
static void
fetchlayer_set_src_buf_dimensions(struct dpu_fetchunit *fu,
unsigned int w, unsigned int h,
u32 unused1, bool unused2)
{
u32 val;
val = LINEWIDTH(w) | LINECOUNT(h);
mutex_lock(&fu->mutex);
dpu_fu_write(fu, val, SOURCEBUFFERDIMENSION(fu->sub_id));
mutex_unlock(&fu->mutex);
}
static void fetchlayer_set_fmt(struct dpu_fetchunit *fu, u32 fmt, bool unused)
{
u32 val, bits, shift;
int i, sub_id = fu->sub_id;
mutex_lock(&fu->mutex);
val = dpu_fu_read(fu, LAYERPROPERTY(sub_id));
val &= ~YUVCONVERSIONMODE_MASK;
val |= YUVCONVERSIONMODE(YUVCONVERSIONMODE__OFF);
dpu_fu_write(fu, val, LAYERPROPERTY(sub_id));
mutex_unlock(&fu->mutex);
for (i = 0; i < ARRAY_SIZE(dpu_pixel_format_matrix); i++) {
if (dpu_pixel_format_matrix[i].pixel_format == fmt) {
bits = dpu_pixel_format_matrix[i].bits;
shift = dpu_pixel_format_matrix[i].shift;
mutex_lock(&fu->mutex);
dpu_fu_write(fu, bits, COLORCOMPONENTBITS(sub_id));
dpu_fu_write(fu, shift, COLORCOMPONENTSHIFT(sub_id));
mutex_unlock(&fu->mutex);
return;
}
}
WARN_ON(1);
}
static void
fetchlayer_set_framedimensions(struct dpu_fetchunit *fu, unsigned int w,
unsigned int h, bool unused)
{
u32 val;
val = FRAMEWIDTH(w) | FRAMEHEIGHT(h);
mutex_lock(&fu->mutex);
dpu_fu_write(fu, val, FRAMEDIMENSIONS);
mutex_unlock(&fu->mutex);
}
void fetchlayer_rgb_constantcolor(struct dpu_fetchunit *fu,
u8 r, u8 g, u8 b, u8 a)
{
u32 val;
val = rgb_color(r, g, b, a);
mutex_lock(&fu->mutex);
dpu_fu_write(fu, val, CONSTANTCOLOR(fu->id));
mutex_unlock(&fu->mutex);
}
EXPORT_SYMBOL_GPL(fetchlayer_rgb_constantcolor);
void fetchlayer_yuv_constantcolor(struct dpu_fetchunit *fu, u8 y, u8 u, u8 v)
{
u32 val;
val = yuv_color(y, u, v);
mutex_lock(&fu->mutex);
dpu_fu_write(fu, val, CONSTANTCOLOR(fu->id));
mutex_unlock(&fu->mutex);
}
EXPORT_SYMBOL_GPL(fetchlayer_yuv_constantcolor);
static void fetchlayer_set_controltrigger(struct dpu_fetchunit *fu)
{
mutex_lock(&fu->mutex);
dpu_fu_write(fu, SHDTOKGEN, CONTROLTRIGGER);
mutex_unlock(&fu->mutex);
}
int fetchlayer_fetchtype(struct dpu_fetchunit *fu, fetchtype_t *type)
{
struct dpu_soc *dpu = fu->dpu;
u32 val;
mutex_lock(&fu->mutex);
val = dpu_fu_read(fu, FETCHTYPE);
val &= FETCHTYPE_MASK;
mutex_unlock(&fu->mutex);
switch (val) {
case FETCHTYPE__DECODE:
dev_dbg(dpu->dev, "FetchLayer%d with RL and RLAD decoder\n",
fu->id);
break;
case FETCHTYPE__LAYER:
dev_dbg(dpu->dev, "FetchLayer%d with fractional "
"plane(8 layers)\n", fu->id);
break;
case FETCHTYPE__WARP:
dev_dbg(dpu->dev, "FetchLayer%d with arbitrary warping and "
"fractional plane(8 layers)\n", fu->id);
break;
case FETCHTYPE__ECO:
dev_dbg(dpu->dev, "FetchLayer%d with minimum feature set for "
"alpha, chroma and coordinate planes\n",
fu->id);
break;
case FETCHTYPE__PERSP:
dev_dbg(dpu->dev, "FetchLayer%d with affine, perspective and "
"arbitrary warping\n", fu->id);
break;
case FETCHTYPE__ROT:
dev_dbg(dpu->dev, "FetchLayer%d with affine and arbitrary "
"warping\n", fu->id);
break;
case FETCHTYPE__DECODEL:
dev_dbg(dpu->dev, "FetchLayer%d with RL and RLAD decoder, "
"reduced feature set\n", fu->id);
break;
case FETCHTYPE__LAYERL:
dev_dbg(dpu->dev, "FetchLayer%d with fractional "
"plane(8 layers), reduced feature set\n",
fu->id);
break;
case FETCHTYPE__ROTL:
dev_dbg(dpu->dev, "FetchLayer%d with affine and arbitrary "
"warping, reduced feature set\n", fu->id);
break;
default:
dev_warn(dpu->dev, "Invalid fetch type %u for FetchLayer%d\n",
val, fu->id);
return -EINVAL;
}
*type = val;
return 0;
}
EXPORT_SYMBOL_GPL(fetchlayer_fetchtype);
struct dpu_fetchunit *dpu_fl_get(struct dpu_soc *dpu, int id)
{
struct dpu_fetchunit *fu;
int i;
for (i = 0; i < ARRAY_SIZE(fl_ids); i++)
if (fl_ids[i] == id)
break;
if (i == ARRAY_SIZE(fl_ids))
return ERR_PTR(-EINVAL);
fu = dpu->fl_priv[i];
mutex_lock(&fu->mutex);
if (fu->inuse) {
mutex_unlock(&fu->mutex);
return ERR_PTR(-EBUSY);
}
fu->inuse = true;
mutex_unlock(&fu->mutex);
return fu;
}
EXPORT_SYMBOL_GPL(dpu_fl_get);
void dpu_fl_put(struct dpu_fetchunit *fu)
{
mutex_lock(&fu->mutex);
fu->inuse = false;
mutex_unlock(&fu->mutex);
}
EXPORT_SYMBOL_GPL(dpu_fl_put);
static const struct dpu_fetchunit_ops fl_ops = {
.set_burstlength = fetchunit_set_burstlength,
.set_baseaddress = fetchunit_set_baseaddress,
.set_src_bpp = fetchunit_set_src_bpp,
.set_src_stride = fetchunit_set_src_stride,
.set_src_buf_dimensions = fetchlayer_set_src_buf_dimensions,
.set_fmt = fetchlayer_set_fmt,
.enable_src_buf = fetchunit_enable_src_buf,
.disable_src_buf = fetchunit_disable_src_buf,
.is_enabled = fetchunit_is_enabled,
.set_framedimensions = fetchlayer_set_framedimensions,
.set_controltrigger = fetchlayer_set_controltrigger,
.get_stream_id = fetchunit_get_stream_id,
.set_stream_id = fetchunit_set_stream_id,
.pin_off = fetchunit_pin_off,
.unpin_off = fetchunit_unpin_off,
.is_pinned_off = fetchunit_is_pinned_off,
};
void _dpu_fl_init(struct dpu_soc *dpu, unsigned int id)
{
struct dpu_fetchunit *fu;
int i;
for (i = 0; i < ARRAY_SIZE(fl_ids); i++)
if (fl_ids[i] == id)
break;
if (WARN_ON(i == ARRAY_SIZE(fl_ids)))
return;
fu = dpu->fl_priv[i];
fetchunit_baddr_autoupdate(fu, 0x0);
fetchunit_shden(fu, true);
fetchunit_shdldreq_sticky(fu, 0xFF);
fetchunit_disable_src_buf(fu);
mutex_lock(&fu->mutex);
dpu_fu_write(fu, SETNUMBUFFERS(16) | SETBURSTLENGTH(16),
BURSTBUFFERMANAGEMENT);
mutex_unlock(&fu->mutex);
}
int dpu_fl_init(struct dpu_soc *dpu, unsigned int id,
unsigned long pec_base, unsigned long base)
{
struct dpu_fetchlayer *fl;
struct dpu_fetchunit *fu;
int ret, i;
fl = devm_kzalloc(dpu->dev, sizeof(*fl), GFP_KERNEL);
if (!fl)
return -ENOMEM;
fu = &fl->fu;
dpu->fl_priv[id] = fu;
fu->pec_base = devm_ioremap(dpu->dev, base, SZ_16);
if (!fu->pec_base)
return -ENOMEM;
fu->base = devm_ioremap(dpu->dev, base, SZ_512);
if (!fu->base)
return -ENOMEM;
fu->dpu = dpu;
fu->id = id;
fu->sub_id = 0;
fu->type = FU_T_FL;
fu->ops = &fl_ops;
fu->name = "fetchlayer";
for (i = 0; i < ARRAY_SIZE(fl_ids); i++) {
if (fl_ids[i] == id) {
fl->shdlreq = fl_shdlreqs[i];
break;
}
}
mutex_init(&fu->mutex);
ret = fetchlayer_fetchtype(fu, &fl->fetchtype);
if (ret < 0)
return ret;
_dpu_fl_init(dpu, id);
return 0;
}