Commit 2bf6b5b0 authored by Maxime Jourdan's avatar Maxime Jourdan Committed by Neil Armstrong

drm/meson: exclusively use the canvas provider module

Now that the DMC register range is no longer in the bindings, remove any
mention towards it and exclusively use the meson-canvas module.
Signed-off-by: default avatarMaxime Jourdan <mjourdan@baylibre.com>
Acked-by: default avatarNeil Armstrong <narmstrong@baylibre.com>
Signed-off-by: default avatarNeil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190311105144.7276-3-mjourdan@baylibre.com
parent dc5b9614
meson-drm-y := meson_drv.o meson_plane.o meson_crtc.o meson_venc_cvbs.o
meson-drm-y += meson_viu.o meson_vpp.o meson_venc.o meson_vclk.o meson_canvas.o meson_overlay.o
meson-drm-y += meson_viu.o meson_vpp.o meson_venc.o meson_vclk.o meson_overlay.o
obj-$(CONFIG_DRM_MESON) += meson-drm.o
obj-$(CONFIG_DRM_MESON_DW_HDMI) += meson_dw_hdmi.o
/*
* Copyright (C) 2016 BayLibre, SAS
* Author: Neil Armstrong <narmstrong@baylibre.com>
* Copyright (C) 2015 Amlogic, Inc. All rights reserved.
* Copyright (C) 2014 Endless Mobile
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include "meson_drv.h"
#include "meson_canvas.h"
#include "meson_registers.h"
/**
* DOC: Canvas
*
* CANVAS is a memory zone where physical memory frames information
* are stored for the VIU to scanout.
*/
/* DMC Registers */
#define DMC_CAV_LUT_DATAL 0x48 /* 0x12 offset in data sheet */
#define CANVAS_WIDTH_LBIT 29
#define CANVAS_WIDTH_LWID 3
#define DMC_CAV_LUT_DATAH 0x4c /* 0x13 offset in data sheet */
#define CANVAS_WIDTH_HBIT 0
#define CANVAS_HEIGHT_BIT 9
#define CANVAS_BLKMODE_BIT 24
#define CANVAS_ENDIAN_BIT 26
#define DMC_CAV_LUT_ADDR 0x50 /* 0x14 offset in data sheet */
#define CANVAS_LUT_WR_EN (0x2 << 8)
#define CANVAS_LUT_RD_EN (0x1 << 8)
void meson_canvas_setup(struct meson_drm *priv,
uint32_t canvas_index, uint32_t addr,
uint32_t stride, uint32_t height,
unsigned int wrap,
unsigned int blkmode,
unsigned int endian)
{
unsigned int val;
regmap_write(priv->dmc, DMC_CAV_LUT_DATAL,
(((addr + 7) >> 3)) |
(((stride + 7) >> 3) << CANVAS_WIDTH_LBIT));
regmap_write(priv->dmc, DMC_CAV_LUT_DATAH,
((((stride + 7) >> 3) >> CANVAS_WIDTH_LWID) <<
CANVAS_WIDTH_HBIT) |
(height << CANVAS_HEIGHT_BIT) |
(wrap << 22) |
(blkmode << CANVAS_BLKMODE_BIT) |
(endian << CANVAS_ENDIAN_BIT));
regmap_write(priv->dmc, DMC_CAV_LUT_ADDR,
CANVAS_LUT_WR_EN | canvas_index);
/* Force a read-back to make sure everything is flushed. */
regmap_read(priv->dmc, DMC_CAV_LUT_DATAH, &val);
}
/*
* Copyright (C) 2016 BayLibre, SAS
* Author: Neil Armstrong <narmstrong@baylibre.com>
* Copyright (C) 2014 Endless Mobile
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
/* Canvas LUT Memory */
#ifndef __MESON_CANVAS_H
#define __MESON_CANVAS_H
#define MESON_CANVAS_ID_OSD1 0x4e
#define MESON_CANVAS_ID_VD1_0 0x60
#define MESON_CANVAS_ID_VD1_1 0x61
#define MESON_CANVAS_ID_VD1_2 0x62
/* Canvas configuration. */
#define MESON_CANVAS_WRAP_NONE 0x00
#define MESON_CANVAS_WRAP_X 0x01
#define MESON_CANVAS_WRAP_Y 0x02
#define MESON_CANVAS_BLKMODE_LINEAR 0x00
#define MESON_CANVAS_BLKMODE_32x32 0x01
#define MESON_CANVAS_BLKMODE_64x64 0x02
#define MESON_CANVAS_ENDIAN_SWAP16 0x1
#define MESON_CANVAS_ENDIAN_SWAP32 0x3
#define MESON_CANVAS_ENDIAN_SWAP64 0x7
#define MESON_CANVAS_ENDIAN_SWAP128 0xf
void meson_canvas_setup(struct meson_drm *priv,
uint32_t canvas_index, uint32_t addr,
uint32_t stride, uint32_t height,
unsigned int wrap,
unsigned int blkmode,
unsigned int endian);
#endif /* __MESON_CANVAS_H */
......@@ -37,7 +37,6 @@
#include "meson_venc.h"
#include "meson_vpp.h"
#include "meson_viu.h"
#include "meson_canvas.h"
#include "meson_registers.h"
/* CRTC definition */
......@@ -214,16 +213,10 @@ void meson_crtc_irq(struct meson_drm *priv)
writel_relaxed(priv->viu.osd_sc_v_ctrl0,
priv->io_base + _REG(VPP_OSD_VSC_CTRL0));
if (priv->canvas)
meson_canvas_config(priv->canvas, priv->canvas_id_osd1,
priv->viu.osd1_addr, priv->viu.osd1_stride,
priv->viu.osd1_height, MESON_CANVAS_WRAP_NONE,
MESON_CANVAS_BLKMODE_LINEAR, 0);
else
meson_canvas_setup(priv, MESON_CANVAS_ID_OSD1,
priv->viu.osd1_addr, priv->viu.osd1_stride,
priv->viu.osd1_height, MESON_CANVAS_WRAP_NONE,
MESON_CANVAS_BLKMODE_LINEAR, 0);
/* Enable OSD1 */
writel_bits_relaxed(VPP_OSD1_POSTBLEND, VPP_OSD1_POSTBLEND,
......@@ -237,7 +230,6 @@ void meson_crtc_irq(struct meson_drm *priv)
switch (priv->viu.vd1_planes) {
case 3:
if (priv->canvas)
meson_canvas_config(priv->canvas,
priv->canvas_id_vd1_2,
priv->viu.vd1_addr2,
......@@ -246,17 +238,8 @@ void meson_crtc_irq(struct meson_drm *priv)
MESON_CANVAS_WRAP_NONE,
MESON_CANVAS_BLKMODE_LINEAR,
MESON_CANVAS_ENDIAN_SWAP64);
else
meson_canvas_setup(priv, MESON_CANVAS_ID_VD1_2,
priv->viu.vd1_addr2,
priv->viu.vd1_stride2,
priv->viu.vd1_height2,
MESON_CANVAS_WRAP_NONE,
MESON_CANVAS_BLKMODE_LINEAR,
MESON_CANVAS_ENDIAN_SWAP64);
/* fallthrough */
case 2:
if (priv->canvas)
meson_canvas_config(priv->canvas,
priv->canvas_id_vd1_1,
priv->viu.vd1_addr1,
......@@ -265,17 +248,8 @@ void meson_crtc_irq(struct meson_drm *priv)
MESON_CANVAS_WRAP_NONE,
MESON_CANVAS_BLKMODE_LINEAR,
MESON_CANVAS_ENDIAN_SWAP64);
else
meson_canvas_setup(priv, MESON_CANVAS_ID_VD1_1,
priv->viu.vd1_addr2,
priv->viu.vd1_stride2,
priv->viu.vd1_height2,
MESON_CANVAS_WRAP_NONE,
MESON_CANVAS_BLKMODE_LINEAR,
MESON_CANVAS_ENDIAN_SWAP64);
/* fallthrough */
case 1:
if (priv->canvas)
meson_canvas_config(priv->canvas,
priv->canvas_id_vd1_0,
priv->viu.vd1_addr0,
......@@ -284,14 +258,6 @@ void meson_crtc_irq(struct meson_drm *priv)
MESON_CANVAS_WRAP_NONE,
MESON_CANVAS_BLKMODE_LINEAR,
MESON_CANVAS_ENDIAN_SWAP64);
else
meson_canvas_setup(priv, MESON_CANVAS_ID_VD1_0,
priv->viu.vd1_addr2,
priv->viu.vd1_stride2,
priv->viu.vd1_height2,
MESON_CANVAS_WRAP_NONE,
MESON_CANVAS_BLKMODE_LINEAR,
MESON_CANVAS_ENDIAN_SWAP64);
};
writel_relaxed(priv->viu.vd1_if0_gen_reg,
......
......@@ -48,7 +48,6 @@
#include "meson_vpp.h"
#include "meson_viu.h"
#include "meson_venc.h"
#include "meson_canvas.h"
#include "meson_registers.h"
#define DRIVER_NAME "meson"
......@@ -231,7 +230,11 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
}
priv->canvas = meson_canvas_get(dev);
if (!IS_ERR(priv->canvas)) {
if (IS_ERR(priv->canvas)) {
ret = PTR_ERR(priv->canvas);
goto free_drm;
}
ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_osd1);
if (ret)
goto free_drm;
......@@ -253,29 +256,6 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
meson_canvas_free(priv->canvas, priv->canvas_id_vd1_1);
goto free_drm;
}
} else {
priv->canvas = NULL;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dmc");
if (!res) {
ret = -EINVAL;
goto free_drm;
}
/* Simply ioremap since it may be a shared register zone */
regs = devm_ioremap(dev, res->start, resource_size(res));
if (!regs) {
ret = -EADDRNOTAVAIL;
goto free_drm;
}
priv->dmc = devm_regmap_init_mmio(dev, regs,
&meson_regmap_config);
if (IS_ERR(priv->dmc)) {
dev_err(&pdev->dev, "Couldn't create the DMC regmap\n");
ret = PTR_ERR(priv->dmc);
goto free_drm;
}
}
priv->vsync_irq = platform_get_irq(pdev, 0);
......
......@@ -29,7 +29,6 @@ struct meson_drm {
struct device *dev;
void __iomem *io_base;
struct regmap *hhi;
struct regmap *dmc;
int vsync_irq;
struct meson_canvas *canvas;
......
......@@ -22,7 +22,6 @@
#include "meson_overlay.h"
#include "meson_vpp.h"
#include "meson_viu.h"
#include "meson_canvas.h"
#include "meson_registers.h"
/* VD1_IF0_GEN_REG */
......@@ -350,13 +349,6 @@ static void meson_overlay_atomic_update(struct drm_plane *plane,
DRM_DEBUG_DRIVER("\n");
/* Fallback is canvas provider is not available */
if (!priv->canvas) {
priv->canvas_id_vd1_0 = MESON_CANVAS_ID_VD1_0;
priv->canvas_id_vd1_1 = MESON_CANVAS_ID_VD1_1;
priv->canvas_id_vd1_2 = MESON_CANVAS_ID_VD1_2;
}
interlace_mode = state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE;
spin_lock_irqsave(&priv->drm->event_lock, flags);
......
......@@ -38,7 +38,6 @@
#include "meson_plane.h"
#include "meson_vpp.h"
#include "meson_viu.h"
#include "meson_canvas.h"
#include "meson_registers.h"
/* OSD_SCI_WH_M1 */
......@@ -148,10 +147,7 @@ static void meson_plane_atomic_update(struct drm_plane *plane,
(0xFF << OSD_GLOBAL_ALPHA_SHIFT) |
OSD_BLK0_ENABLE;
if (priv->canvas)
canvas_id_osd1 = priv->canvas_id_osd1;
else
canvas_id_osd1 = MESON_CANVAS_ID_OSD1;
/* Set up BLK0 to point to the right canvas */
priv->viu.osd1_blk0_cfg[0] = ((canvas_id_osd1 << OSD_CANVAS_SEL) |
......
......@@ -25,7 +25,6 @@
#include "meson_viu.h"
#include "meson_vpp.h"
#include "meson_venc.h"
#include "meson_canvas.h"
#include "meson_registers.h"
/**
......
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