source "drivers/gpu/drm/mediatek/Kconfig"
-source "drivers/gpu/drm/zte/Kconfig"
-
source "drivers/gpu/drm/mxsfb/Kconfig"
source "drivers/gpu/drm/meson/Kconfig"
obj-$(CONFIG_DRM_FSL_DCU) += fsl-dcu/
obj-$(CONFIG_DRM_ETNAVIV) += etnaviv/
obj-y += hisilicon/
-obj-$(CONFIG_DRM_ZTE) += zte/
obj-$(CONFIG_DRM_MXSFB) += mxsfb/
obj-y += tiny/
obj-$(CONFIG_DRM_PL111) += pl111/
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only
-config DRM_ZTE
- tristate "DRM Support for ZTE SoCs"
- depends on DRM && ARCH_ZX
- select DRM_KMS_CMA_HELPER
- select DRM_KMS_HELPER
- select SND_SOC_HDMI_CODEC if SND_SOC
- select VIDEOMODE_HELPERS
- help
- Choose this option to enable DRM on ZTE ZX SoCs.
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0
-zxdrm-y := \
- zx_drm_drv.o \
- zx_hdmi.o \
- zx_plane.o \
- zx_tvenc.o \
- zx_vga.o \
- zx_vou.o
-
-obj-$(CONFIG_DRM_ZTE) += zxdrm.o
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2017 Sanechips Technology Co., Ltd.
- * Copyright 2017 Linaro Ltd.
- */
-
-#ifndef __ZX_COMMON_REGS_H__
-#define __ZX_COMMON_REGS_H__
-
-/* CSC registers */
-#define CSC_CTRL0 0x30
-#define CSC_COV_MODE_SHIFT 16
-#define CSC_COV_MODE_MASK (0xffff << CSC_COV_MODE_SHIFT)
-#define CSC_BT601_IMAGE_RGB2YCBCR 0
-#define CSC_BT601_IMAGE_YCBCR2RGB 1
-#define CSC_BT601_VIDEO_RGB2YCBCR 2
-#define CSC_BT601_VIDEO_YCBCR2RGB 3
-#define CSC_BT709_IMAGE_RGB2YCBCR 4
-#define CSC_BT709_IMAGE_YCBCR2RGB 5
-#define CSC_BT709_VIDEO_RGB2YCBCR 6
-#define CSC_BT709_VIDEO_YCBCR2RGB 7
-#define CSC_BT2020_IMAGE_RGB2YCBCR 8
-#define CSC_BT2020_IMAGE_YCBCR2RGB 9
-#define CSC_BT2020_VIDEO_RGB2YCBCR 10
-#define CSC_BT2020_VIDEO_YCBCR2RGB 11
-#define CSC_WORK_ENABLE BIT(0)
-
-#endif /* __ZX_COMMON_REGS_H__ */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright 2016 Linaro Ltd.
- * Copyright 2016 ZTE Corporation.
- */
-
-#include <linux/clk.h>
-#include <linux/component.h>
-#include <linux/list.h>
-#include <linux/module.h>
-#include <linux/of_graph.h>
-#include <linux/of_platform.h>
-#include <linux/spinlock.h>
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
-#include <drm/drm_of.h>
-#include <drm/drm_probe_helper.h>
-#include <drm/drm_vblank.h>
-
-#include "zx_drm_drv.h"
-#include "zx_vou.h"
-
-static const struct drm_mode_config_funcs zx_drm_mode_config_funcs = {
- .fb_create = drm_gem_fb_create,
- .atomic_check = drm_atomic_helper_check,
- .atomic_commit = drm_atomic_helper_commit,
-};
-
-DEFINE_DRM_GEM_CMA_FOPS(zx_drm_fops);
-
-static const struct drm_driver zx_drm_driver = {
- .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
- DRM_GEM_CMA_DRIVER_OPS,
- .fops = &zx_drm_fops,
- .name = "zx-vou",
- .desc = "ZTE VOU Controller DRM",
- .date = "20160811",
- .major = 1,
- .minor = 0,
-};
-
-static int zx_drm_bind(struct device *dev)
-{
- struct drm_device *drm;
- int ret;
-
- drm = drm_dev_alloc(&zx_drm_driver, dev);
- if (IS_ERR(drm))
- return PTR_ERR(drm);
-
- dev_set_drvdata(dev, drm);
-
- drm_mode_config_init(drm);
- drm->mode_config.min_width = 16;
- drm->mode_config.min_height = 16;
- drm->mode_config.max_width = 4096;
- drm->mode_config.max_height = 4096;
- drm->mode_config.funcs = &zx_drm_mode_config_funcs;
-
- ret = component_bind_all(dev, drm);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to bind all components: %d\n", ret);
- goto out_unregister;
- }
-
- ret = drm_vblank_init(drm, drm->mode_config.num_crtc);
- if (ret < 0) {
- DRM_DEV_ERROR(dev, "failed to init vblank: %d\n", ret);
- goto out_unbind;
- }
-
- drm_mode_config_reset(drm);
- drm_kms_helper_poll_init(drm);
-
- ret = drm_dev_register(drm, 0);
- if (ret)
- goto out_poll_fini;
-
- drm_fbdev_generic_setup(drm, 32);
-
- return 0;
-
-out_poll_fini:
- drm_kms_helper_poll_fini(drm);
- drm_mode_config_cleanup(drm);
-out_unbind:
- component_unbind_all(dev, drm);
-out_unregister:
- dev_set_drvdata(dev, NULL);
- drm_dev_put(drm);
- return ret;
-}
-
-static void zx_drm_unbind(struct device *dev)
-{
- struct drm_device *drm = dev_get_drvdata(dev);
-
- drm_dev_unregister(drm);
- drm_kms_helper_poll_fini(drm);
- drm_atomic_helper_shutdown(drm);
- drm_mode_config_cleanup(drm);
- component_unbind_all(dev, drm);
- dev_set_drvdata(dev, NULL);
- drm_dev_put(drm);
-}
-
-static const struct component_master_ops zx_drm_master_ops = {
- .bind = zx_drm_bind,
- .unbind = zx_drm_unbind,
-};
-
-static int compare_of(struct device *dev, void *data)
-{
- return dev->of_node == data;
-}
-
-static int zx_drm_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct device_node *parent = dev->of_node;
- struct device_node *child;
- struct component_match *match = NULL;
- int ret;
-
- ret = devm_of_platform_populate(dev);
- if (ret)
- return ret;
-
- for_each_available_child_of_node(parent, child)
- component_match_add(dev, &match, compare_of, child);
-
- return component_master_add_with_match(dev, &zx_drm_master_ops, match);
-}
-
-static int zx_drm_remove(struct platform_device *pdev)
-{
- component_master_del(&pdev->dev, &zx_drm_master_ops);
- return 0;
-}
-
-static const struct of_device_id zx_drm_of_match[] = {
- { .compatible = "zte,zx296718-vou", },
- { /* end */ },
-};
-MODULE_DEVICE_TABLE(of, zx_drm_of_match);
-
-static struct platform_driver zx_drm_platform_driver = {
- .probe = zx_drm_probe,
- .remove = zx_drm_remove,
- .driver = {
- .name = "zx-drm",
- .of_match_table = zx_drm_of_match,
- },
-};
-
-static struct platform_driver *drivers[] = {
- &zx_crtc_driver,
- &zx_hdmi_driver,
- &zx_tvenc_driver,
- &zx_vga_driver,
- &zx_drm_platform_driver,
-};
-
-static int zx_drm_init(void)
-{
- return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
-}
-module_init(zx_drm_init);
-
-static void zx_drm_exit(void)
-{
- platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
-}
-module_exit(zx_drm_exit);
-
-MODULE_AUTHOR("Shawn Guo <shawn.guo@linaro.org>");
-MODULE_DESCRIPTION("ZTE ZX VOU DRM driver");
-MODULE_LICENSE("GPL v2");
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright 2016 Linaro Ltd.
- * Copyright 2016 ZTE Corporation.
- */
-
-#ifndef __ZX_DRM_DRV_H__
-#define __ZX_DRM_DRV_H__
-
-extern struct platform_driver zx_crtc_driver;
-extern struct platform_driver zx_hdmi_driver;
-extern struct platform_driver zx_tvenc_driver;
-extern struct platform_driver zx_vga_driver;
-
-static inline u32 zx_readl(void __iomem *reg)
-{
- return readl_relaxed(reg);
-}
-
-static inline void zx_writel(void __iomem *reg, u32 val)
-{
- writel_relaxed(val, reg);
-}
-
-static inline void zx_writel_mask(void __iomem *reg, u32 mask, u32 val)
-{
- u32 tmp;
-
- tmp = zx_readl(reg);
- tmp = (tmp & ~mask) | (val & mask);
- zx_writel(reg, tmp);
-}
-
-#endif /* __ZX_DRM_DRV_H__ */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright 2016 Linaro Ltd.
- * Copyright 2016 ZTE Corporation.
- */
-
-#include <linux/clk.h>
-#include <linux/component.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/hdmi.h>
-#include <linux/irq.h>
-#include <linux/mfd/syscon.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/of_device.h>
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_edid.h>
-#include <drm/drm_of.h>
-#include <drm/drm_probe_helper.h>
-#include <drm/drm_print.h>
-#include <drm/drm_simple_kms_helper.h>
-
-#include <sound/hdmi-codec.h>
-
-#include "zx_hdmi_regs.h"
-#include "zx_vou.h"
-
-#define ZX_HDMI_INFOFRAME_SIZE 31
-#define DDC_SEGMENT_ADDR 0x30
-
-struct zx_hdmi_i2c {
- struct i2c_adapter adap;
- struct mutex lock;
-};
-
-struct zx_hdmi {
- struct drm_connector connector;
- struct drm_encoder encoder;
- struct zx_hdmi_i2c *ddc;
- struct device *dev;
- struct drm_device *drm;
- void __iomem *mmio;
- struct clk *cec_clk;
- struct clk *osc_clk;
- struct clk *xclk;
- bool sink_is_hdmi;
- bool sink_has_audio;
- struct platform_device *audio_pdev;
-};
-
-#define to_zx_hdmi(x) container_of(x, struct zx_hdmi, x)
-
-static inline u8 hdmi_readb(struct zx_hdmi *hdmi, u16 offset)
-{
- return readl_relaxed(hdmi->mmio + offset * 4);
-}
-
-static inline void hdmi_writeb(struct zx_hdmi *hdmi, u16 offset, u8 val)
-{
- writel_relaxed(val, hdmi->mmio + offset * 4);
-}
-
-static inline void hdmi_writeb_mask(struct zx_hdmi *hdmi, u16 offset,
- u8 mask, u8 val)
-{
- u8 tmp;
-
- tmp = hdmi_readb(hdmi, offset);
- tmp = (tmp & ~mask) | (val & mask);
- hdmi_writeb(hdmi, offset, tmp);
-}
-
-static int zx_hdmi_infoframe_trans(struct zx_hdmi *hdmi,
- union hdmi_infoframe *frame, u8 fsel)
-{
- u8 buffer[ZX_HDMI_INFOFRAME_SIZE];
- int num;
- int i;
-
- hdmi_writeb(hdmi, TPI_INFO_FSEL, fsel);
-
- num = hdmi_infoframe_pack(frame, buffer, ZX_HDMI_INFOFRAME_SIZE);
- if (num < 0) {
- DRM_DEV_ERROR(hdmi->dev, "failed to pack infoframe: %d\n", num);
- return num;
- }
-
- for (i = 0; i < num; i++)
- hdmi_writeb(hdmi, TPI_INFO_B0 + i, buffer[i]);
-
- hdmi_writeb_mask(hdmi, TPI_INFO_EN, TPI_INFO_TRANS_RPT,
- TPI_INFO_TRANS_RPT);
- hdmi_writeb_mask(hdmi, TPI_INFO_EN, TPI_INFO_TRANS_EN,
- TPI_INFO_TRANS_EN);
-
- return num;
-}
-
-static int zx_hdmi_config_video_vsi(struct zx_hdmi *hdmi,
- struct drm_display_mode *mode)
-{
- union hdmi_infoframe frame;
- int ret;
-
- ret = drm_hdmi_vendor_infoframe_from_display_mode(&frame.vendor.hdmi,
- &hdmi->connector,
- mode);
- if (ret) {
- DRM_DEV_ERROR(hdmi->dev, "failed to get vendor infoframe: %d\n",
- ret);
- return ret;
- }
-
- return zx_hdmi_infoframe_trans(hdmi, &frame, FSEL_VSIF);
-}
-
-static int zx_hdmi_config_video_avi(struct zx_hdmi *hdmi,
- struct drm_display_mode *mode)
-{
- union hdmi_infoframe frame;
- int ret;
-
- ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
- &hdmi->connector,
- mode);
- if (ret) {
- DRM_DEV_ERROR(hdmi->dev, "failed to get avi infoframe: %d\n",
- ret);
- return ret;
- }
-
- /* We always use YUV444 for HDMI output. */
- frame.avi.colorspace = HDMI_COLORSPACE_YUV444;
-
- return zx_hdmi_infoframe_trans(hdmi, &frame, FSEL_AVI);
-}
-
-static void zx_hdmi_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adj_mode)
-{
- struct zx_hdmi *hdmi = to_zx_hdmi(encoder);
-
- if (hdmi->sink_is_hdmi) {
- zx_hdmi_config_video_avi(hdmi, mode);
- zx_hdmi_config_video_vsi(hdmi, mode);
- }
-}
-
-static void zx_hdmi_phy_start(struct zx_hdmi *hdmi)
-{
- /* Copy from ZTE BSP code */
- hdmi_writeb(hdmi, 0x222, 0x0);
- hdmi_writeb(hdmi, 0x224, 0x4);
- hdmi_writeb(hdmi, 0x909, 0x0);
- hdmi_writeb(hdmi, 0x7b0, 0x90);
- hdmi_writeb(hdmi, 0x7b1, 0x00);
- hdmi_writeb(hdmi, 0x7b2, 0xa7);
- hdmi_writeb(hdmi, 0x7b8, 0xaa);
- hdmi_writeb(hdmi, 0x7b2, 0xa7);
- hdmi_writeb(hdmi, 0x7b3, 0x0f);
- hdmi_writeb(hdmi, 0x7b4, 0x0f);
- hdmi_writeb(hdmi, 0x7b5, 0x55);
- hdmi_writeb(hdmi, 0x7b7, 0x03);
- hdmi_writeb(hdmi, 0x7b9, 0x12);
- hdmi_writeb(hdmi, 0x7ba, 0x32);
- hdmi_writeb(hdmi, 0x7bc, 0x68);
- hdmi_writeb(hdmi, 0x7be, 0x40);
- hdmi_writeb(hdmi, 0x7bf, 0x84);
- hdmi_writeb(hdmi, 0x7c1, 0x0f);
- hdmi_writeb(hdmi, 0x7c8, 0x02);
- hdmi_writeb(hdmi, 0x7c9, 0x03);
- hdmi_writeb(hdmi, 0x7ca, 0x40);
- hdmi_writeb(hdmi, 0x7dc, 0x31);
- hdmi_writeb(hdmi, 0x7e2, 0x04);
- hdmi_writeb(hdmi, 0x7e0, 0x06);
- hdmi_writeb(hdmi, 0x7cb, 0x68);
- hdmi_writeb(hdmi, 0x7f9, 0x02);
- hdmi_writeb(hdmi, 0x7b6, 0x02);
- hdmi_writeb(hdmi, 0x7f3, 0x0);
-}
-
-static void zx_hdmi_hw_enable(struct zx_hdmi *hdmi)
-{
- /* Enable pclk */
- hdmi_writeb_mask(hdmi, CLKPWD, CLKPWD_PDIDCK, CLKPWD_PDIDCK);
-
- /* Enable HDMI for TX */
- hdmi_writeb_mask(hdmi, FUNC_SEL, FUNC_HDMI_EN, FUNC_HDMI_EN);
-
- /* Enable deep color packet */
- hdmi_writeb_mask(hdmi, P2T_CTRL, P2T_DC_PKT_EN, P2T_DC_PKT_EN);
-
- /* Enable HDMI/MHL mode for output */
- hdmi_writeb_mask(hdmi, TEST_TXCTRL, TEST_TXCTRL_HDMI_MODE,
- TEST_TXCTRL_HDMI_MODE);
-
- /* Configure reg_qc_sel */
- hdmi_writeb(hdmi, HDMICTL4, 0x3);
-
- /* Enable interrupt */
- hdmi_writeb_mask(hdmi, INTR1_MASK, INTR1_MONITOR_DETECT,
- INTR1_MONITOR_DETECT);
-
- /* Start up phy */
- zx_hdmi_phy_start(hdmi);
-}
-
-static void zx_hdmi_hw_disable(struct zx_hdmi *hdmi)
-{
- /* Disable interrupt */
- hdmi_writeb_mask(hdmi, INTR1_MASK, INTR1_MONITOR_DETECT, 0);
-
- /* Disable deep color packet */
- hdmi_writeb_mask(hdmi, P2T_CTRL, P2T_DC_PKT_EN, P2T_DC_PKT_EN);
-
- /* Disable HDMI for TX */
- hdmi_writeb_mask(hdmi, FUNC_SEL, FUNC_HDMI_EN, 0);
-
- /* Disable pclk */
- hdmi_writeb_mask(hdmi, CLKPWD, CLKPWD_PDIDCK, 0);
-}
-
-static void zx_hdmi_encoder_enable(struct drm_encoder *encoder)
-{
- struct zx_hdmi *hdmi = to_zx_hdmi(encoder);
-
- clk_prepare_enable(hdmi->cec_clk);
- clk_prepare_enable(hdmi->osc_clk);
- clk_prepare_enable(hdmi->xclk);
-
- zx_hdmi_hw_enable(hdmi);
-
- vou_inf_enable(VOU_HDMI, encoder->crtc);
-}
-
-static void zx_hdmi_encoder_disable(struct drm_encoder *encoder)
-{
- struct zx_hdmi *hdmi = to_zx_hdmi(encoder);
-
- vou_inf_disable(VOU_HDMI, encoder->crtc);
-
- zx_hdmi_hw_disable(hdmi);
-
- clk_disable_unprepare(hdmi->xclk);
- clk_disable_unprepare(hdmi->osc_clk);
- clk_disable_unprepare(hdmi->cec_clk);
-}
-
-static const struct drm_encoder_helper_funcs zx_hdmi_encoder_helper_funcs = {
- .enable = zx_hdmi_encoder_enable,
- .disable = zx_hdmi_encoder_disable,
- .mode_set = zx_hdmi_encoder_mode_set,
-};
-
-static int zx_hdmi_connector_get_modes(struct drm_connector *connector)
-{
- struct zx_hdmi *hdmi = to_zx_hdmi(connector);
- struct edid *edid;
- int ret;
-
- edid = drm_get_edid(connector, &hdmi->ddc->adap);
- if (!edid)
- return 0;
-
- hdmi->sink_is_hdmi = drm_detect_hdmi_monitor(edid);
- hdmi->sink_has_audio = drm_detect_monitor_audio(edid);
- drm_connector_update_edid_property(connector, edid);
- ret = drm_add_edid_modes(connector, edid);
- kfree(edid);
-
- return ret;
-}
-
-static enum drm_mode_status
-zx_hdmi_connector_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode)
-{
- return MODE_OK;
-}
-
-static struct drm_connector_helper_funcs zx_hdmi_connector_helper_funcs = {
- .get_modes = zx_hdmi_connector_get_modes,
- .mode_valid = zx_hdmi_connector_mode_valid,
-};
-
-static enum drm_connector_status
-zx_hdmi_connector_detect(struct drm_connector *connector, bool force)
-{
- struct zx_hdmi *hdmi = to_zx_hdmi(connector);
-
- return (hdmi_readb(hdmi, TPI_HPD_RSEN) & TPI_HPD_CONNECTION) ?
- connector_status_connected : connector_status_disconnected;
-}
-
-static const struct drm_connector_funcs zx_hdmi_connector_funcs = {
- .fill_modes = drm_helper_probe_single_connector_modes,
- .detect = zx_hdmi_connector_detect,
- .destroy = drm_connector_cleanup,
- .reset = drm_atomic_helper_connector_reset,
- .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
-};
-
-static int zx_hdmi_register(struct drm_device *drm, struct zx_hdmi *hdmi)
-{
- struct drm_encoder *encoder = &hdmi->encoder;
-
- encoder->possible_crtcs = VOU_CRTC_MASK;
-
- drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
- drm_encoder_helper_add(encoder, &zx_hdmi_encoder_helper_funcs);
-
- hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD;
-
- drm_connector_init_with_ddc(drm, &hdmi->connector,
- &zx_hdmi_connector_funcs,
- DRM_MODE_CONNECTOR_HDMIA,
- &hdmi->ddc->adap);
- drm_connector_helper_add(&hdmi->connector,
- &zx_hdmi_connector_helper_funcs);
-
- drm_connector_attach_encoder(&hdmi->connector, encoder);
-
- return 0;
-}
-
-static irqreturn_t zx_hdmi_irq_thread(int irq, void *dev_id)
-{
- struct zx_hdmi *hdmi = dev_id;
-
- drm_helper_hpd_irq_event(hdmi->connector.dev);
-
- return IRQ_HANDLED;
-}
-
-static irqreturn_t zx_hdmi_irq_handler(int irq, void *dev_id)
-{
- struct zx_hdmi *hdmi = dev_id;
- u8 lstat;
-
- lstat = hdmi_readb(hdmi, L1_INTR_STAT);
-
- /* Monitor detect/HPD interrupt */
- if (lstat & L1_INTR_STAT_INTR1) {
- u8 stat;
-
- stat = hdmi_readb(hdmi, INTR1_STAT);
- hdmi_writeb(hdmi, INTR1_STAT, stat);
-
- if (stat & INTR1_MONITOR_DETECT)
- return IRQ_WAKE_THREAD;
- }
-
- return IRQ_NONE;
-}
-
-static int zx_hdmi_audio_startup(struct device *dev, void *data)
-{
- struct zx_hdmi *hdmi = dev_get_drvdata(dev);
- struct drm_encoder *encoder = &hdmi->encoder;
-
- vou_inf_hdmi_audio_sel(encoder->crtc, VOU_HDMI_AUD_SPDIF);
-
- return 0;
-}
-
-static void zx_hdmi_audio_shutdown(struct device *dev, void *data)
-{
- struct zx_hdmi *hdmi = dev_get_drvdata(dev);
-
- /* Disable audio input */
- hdmi_writeb_mask(hdmi, AUD_EN, AUD_IN_EN, 0);
-}
-
-static inline int zx_hdmi_audio_get_n(unsigned int fs)
-{
- unsigned int n;
-
- if (fs && (fs % 44100) == 0)
- n = 6272 * (fs / 44100);
- else
- n = fs * 128 / 1000;
-
- return n;
-}
-
-static int zx_hdmi_audio_hw_params(struct device *dev,
- void *data,
- struct hdmi_codec_daifmt *daifmt,
- struct hdmi_codec_params *params)
-{
- struct zx_hdmi *hdmi = dev_get_drvdata(dev);
- struct hdmi_audio_infoframe *cea = ¶ms->cea;
- union hdmi_infoframe frame;
- int n;
-
- /* We only support spdif for now */
- if (daifmt->fmt != HDMI_SPDIF) {
- DRM_DEV_ERROR(hdmi->dev, "invalid daifmt %d\n", daifmt->fmt);
- return -EINVAL;
- }
-
- switch (params->sample_width) {
- case 16:
- hdmi_writeb_mask(hdmi, TPI_AUD_CONFIG, SPDIF_SAMPLE_SIZE_MASK,
- SPDIF_SAMPLE_SIZE_16BIT);
- break;
- case 20:
- hdmi_writeb_mask(hdmi, TPI_AUD_CONFIG, SPDIF_SAMPLE_SIZE_MASK,
- SPDIF_SAMPLE_SIZE_20BIT);
- break;
- case 24:
- hdmi_writeb_mask(hdmi, TPI_AUD_CONFIG, SPDIF_SAMPLE_SIZE_MASK,
- SPDIF_SAMPLE_SIZE_24BIT);
- break;
- default:
- DRM_DEV_ERROR(hdmi->dev, "invalid sample width %d\n",
- params->sample_width);
- return -EINVAL;
- }
-
- /* CTS is calculated by hardware, and we only need to take care of N */
- n = zx_hdmi_audio_get_n(params->sample_rate);
- hdmi_writeb(hdmi, N_SVAL1, n & 0xff);
- hdmi_writeb(hdmi, N_SVAL2, (n >> 8) & 0xff);
- hdmi_writeb(hdmi, N_SVAL3, (n >> 16) & 0xf);
-
- /* Enable spdif mode */
- hdmi_writeb_mask(hdmi, AUD_MODE, SPDIF_EN, SPDIF_EN);
-
- /* Enable audio input */
- hdmi_writeb_mask(hdmi, AUD_EN, AUD_IN_EN, AUD_IN_EN);
-
- memcpy(&frame.audio, cea, sizeof(*cea));
-
- return zx_hdmi_infoframe_trans(hdmi, &frame, FSEL_AUDIO);
-}
-
-static int zx_hdmi_audio_mute(struct device *dev, void *data,
- bool enable, int direction)
-{
- struct zx_hdmi *hdmi = dev_get_drvdata(dev);
-
- if (enable)
- hdmi_writeb_mask(hdmi, TPI_AUD_CONFIG, TPI_AUD_MUTE,
- TPI_AUD_MUTE);
- else
- hdmi_writeb_mask(hdmi, TPI_AUD_CONFIG, TPI_AUD_MUTE, 0);
-
- return 0;
-}
-
-static int zx_hdmi_audio_get_eld(struct device *dev, void *data,
- uint8_t *buf, size_t len)
-{
- struct zx_hdmi *hdmi = dev_get_drvdata(dev);
- struct drm_connector *connector = &hdmi->connector;
-
- memcpy(buf, connector->eld, min(sizeof(connector->eld), len));
-
- return 0;
-}
-
-static const struct hdmi_codec_ops zx_hdmi_codec_ops = {
- .audio_startup = zx_hdmi_audio_startup,
- .hw_params = zx_hdmi_audio_hw_params,
- .audio_shutdown = zx_hdmi_audio_shutdown,
- .mute_stream = zx_hdmi_audio_mute,
- .get_eld = zx_hdmi_audio_get_eld,
- .no_capture_mute = 1,
-};
-
-static struct hdmi_codec_pdata zx_hdmi_codec_pdata = {
- .ops = &zx_hdmi_codec_ops,
- .spdif = 1,
-};
-
-static int zx_hdmi_audio_register(struct zx_hdmi *hdmi)
-{
- struct platform_device *pdev;
-
- pdev = platform_device_register_data(hdmi->dev, HDMI_CODEC_DRV_NAME,
- PLATFORM_DEVID_AUTO,
- &zx_hdmi_codec_pdata,
- sizeof(zx_hdmi_codec_pdata));
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
-
- hdmi->audio_pdev = pdev;
-
- return 0;
-}
-
-static int zx_hdmi_i2c_read(struct zx_hdmi *hdmi, struct i2c_msg *msg)
-{
- int len = msg->len;
- u8 *buf = msg->buf;
- int retry = 0;
- int ret = 0;
-
- /* Bits [9:8] of bytes */
- hdmi_writeb(hdmi, ZX_DDC_DIN_CNT2, (len >> 8) & 0xff);
- /* Bits [7:0] of bytes */
- hdmi_writeb(hdmi, ZX_DDC_DIN_CNT1, len & 0xff);
-
- /* Clear FIFO */
- hdmi_writeb_mask(hdmi, ZX_DDC_CMD, DDC_CMD_MASK, DDC_CMD_CLEAR_FIFO);
-
- /* Kick off the read */
- hdmi_writeb_mask(hdmi, ZX_DDC_CMD, DDC_CMD_MASK,
- DDC_CMD_SEQUENTIAL_READ);
-
- while (len > 0) {
- int cnt, i;
-
- /* FIFO needs some time to get ready */
- usleep_range(500, 1000);
-
- cnt = hdmi_readb(hdmi, ZX_DDC_DOUT_CNT) & DDC_DOUT_CNT_MASK;
- if (cnt == 0) {
- if (++retry > 5) {
- DRM_DEV_ERROR(hdmi->dev,
- "DDC FIFO read timed out!");
- return -ETIMEDOUT;
- }
- continue;
- }
-
- for (i = 0; i < cnt; i++)
- *buf++ = hdmi_readb(hdmi, ZX_DDC_DATA);
- len -= cnt;
- }
-
- return ret;
-}
-
-static int zx_hdmi_i2c_write(struct zx_hdmi *hdmi, struct i2c_msg *msg)
-{
- /*
- * The DDC I2C adapter is only for reading EDID data, so we assume
- * that the write to this adapter must be the EDID data offset.
- */
- if ((msg->len != 1) ||
- ((msg->addr != DDC_ADDR) && (msg->addr != DDC_SEGMENT_ADDR)))
- return -EINVAL;
-
- if (msg->addr == DDC_SEGMENT_ADDR)
- hdmi_writeb(hdmi, ZX_DDC_SEGM, msg->addr << 1);
- else if (msg->addr == DDC_ADDR)
- hdmi_writeb(hdmi, ZX_DDC_ADDR, msg->addr << 1);
-
- hdmi_writeb(hdmi, ZX_DDC_OFFSET, msg->buf[0]);
-
- return 0;
-}
-
-static int zx_hdmi_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
- int num)
-{
- struct zx_hdmi *hdmi = i2c_get_adapdata(adap);
- struct zx_hdmi_i2c *ddc = hdmi->ddc;
- int i, ret = 0;
-
- mutex_lock(&ddc->lock);
-
- /* Enable DDC master access */
- hdmi_writeb_mask(hdmi, TPI_DDC_MASTER_EN, HW_DDC_MASTER, HW_DDC_MASTER);
-
- for (i = 0; i < num; i++) {
- DRM_DEV_DEBUG(hdmi->dev,
- "xfer: num: %d/%d, len: %d, flags: %#x\n",
- i + 1, num, msgs[i].len, msgs[i].flags);
-
- if (msgs[i].flags & I2C_M_RD)
- ret = zx_hdmi_i2c_read(hdmi, &msgs[i]);
- else
- ret = zx_hdmi_i2c_write(hdmi, &msgs[i]);
-
- if (ret < 0)
- break;
- }
-
- if (!ret)
- ret = num;
-
- /* Disable DDC master access */
- hdmi_writeb_mask(hdmi, TPI_DDC_MASTER_EN, HW_DDC_MASTER, 0);
-
- mutex_unlock(&ddc->lock);
-
- return ret;
-}
-
-static u32 zx_hdmi_i2c_func(struct i2c_adapter *adapter)
-{
- return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
-}
-
-static const struct i2c_algorithm zx_hdmi_algorithm = {
- .master_xfer = zx_hdmi_i2c_xfer,
- .functionality = zx_hdmi_i2c_func,
-};
-
-static int zx_hdmi_ddc_register(struct zx_hdmi *hdmi)
-{
- struct i2c_adapter *adap;
- struct zx_hdmi_i2c *ddc;
- int ret;
-
- ddc = devm_kzalloc(hdmi->dev, sizeof(*ddc), GFP_KERNEL);
- if (!ddc)
- return -ENOMEM;
-
- hdmi->ddc = ddc;
- mutex_init(&ddc->lock);
-
- adap = &ddc->adap;
- adap->owner = THIS_MODULE;
- adap->class = I2C_CLASS_DDC;
- adap->dev.parent = hdmi->dev;
- adap->algo = &zx_hdmi_algorithm;
- snprintf(adap->name, sizeof(adap->name), "zx hdmi i2c");
-
- ret = i2c_add_adapter(adap);
- if (ret) {
- DRM_DEV_ERROR(hdmi->dev, "failed to add I2C adapter: %d\n",
- ret);
- return ret;
- }
-
- i2c_set_adapdata(adap, hdmi);
-
- return 0;
-}
-
-static int zx_hdmi_bind(struct device *dev, struct device *master, void *data)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct drm_device *drm = data;
- struct resource *res;
- struct zx_hdmi *hdmi;
- int irq;
- int ret;
-
- hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL);
- if (!hdmi)
- return -ENOMEM;
-
- hdmi->dev = dev;
- hdmi->drm = drm;
-
- dev_set_drvdata(dev, hdmi);
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- hdmi->mmio = devm_ioremap_resource(dev, res);
- if (IS_ERR(hdmi->mmio)) {
- ret = PTR_ERR(hdmi->mmio);
- DRM_DEV_ERROR(dev, "failed to remap hdmi region: %d\n", ret);
- return ret;
- }
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
-
- hdmi->cec_clk = devm_clk_get(hdmi->dev, "osc_cec");
- if (IS_ERR(hdmi->cec_clk)) {
- ret = PTR_ERR(hdmi->cec_clk);
- DRM_DEV_ERROR(dev, "failed to get cec_clk: %d\n", ret);
- return ret;
- }
-
- hdmi->osc_clk = devm_clk_get(hdmi->dev, "osc_clk");
- if (IS_ERR(hdmi->osc_clk)) {
- ret = PTR_ERR(hdmi->osc_clk);
- DRM_DEV_ERROR(dev, "failed to get osc_clk: %d\n", ret);
- return ret;
- }
-
- hdmi->xclk = devm_clk_get(hdmi->dev, "xclk");
- if (IS_ERR(hdmi->xclk)) {
- ret = PTR_ERR(hdmi->xclk);
- DRM_DEV_ERROR(dev, "failed to get xclk: %d\n", ret);
- return ret;
- }
-
- ret = zx_hdmi_ddc_register(hdmi);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to register ddc: %d\n", ret);
- return ret;
- }
-
- ret = zx_hdmi_audio_register(hdmi);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to register audio: %d\n", ret);
- return ret;
- }
-
- ret = zx_hdmi_register(drm, hdmi);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to register hdmi: %d\n", ret);
- return ret;
- }
-
- ret = devm_request_threaded_irq(dev, irq, zx_hdmi_irq_handler,
- zx_hdmi_irq_thread, IRQF_SHARED,
- dev_name(dev), hdmi);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to request threaded irq: %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-
-static void zx_hdmi_unbind(struct device *dev, struct device *master,
- void *data)
-{
- struct zx_hdmi *hdmi = dev_get_drvdata(dev);
-
- hdmi->connector.funcs->destroy(&hdmi->connector);
- hdmi->encoder.funcs->destroy(&hdmi->encoder);
-
- if (hdmi->audio_pdev)
- platform_device_unregister(hdmi->audio_pdev);
-}
-
-static const struct component_ops zx_hdmi_component_ops = {
- .bind = zx_hdmi_bind,
- .unbind = zx_hdmi_unbind,
-};
-
-static int zx_hdmi_probe(struct platform_device *pdev)
-{
- return component_add(&pdev->dev, &zx_hdmi_component_ops);
-}
-
-static int zx_hdmi_remove(struct platform_device *pdev)
-{
- component_del(&pdev->dev, &zx_hdmi_component_ops);
- return 0;
-}
-
-static const struct of_device_id zx_hdmi_of_match[] = {
- { .compatible = "zte,zx296718-hdmi", },
- { /* end */ },
-};
-MODULE_DEVICE_TABLE(of, zx_hdmi_of_match);
-
-struct platform_driver zx_hdmi_driver = {
- .probe = zx_hdmi_probe,
- .remove = zx_hdmi_remove,
- .driver = {
- .name = "zx-hdmi",
- .of_match_table = zx_hdmi_of_match,
- },
-};
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright 2016 Linaro Ltd.
- * Copyright 2016 ZTE Corporation.
- */
-
-#ifndef __ZX_HDMI_REGS_H__
-#define __ZX_HDMI_REGS_H__
-
-#define FUNC_SEL 0x000b
-#define FUNC_HDMI_EN BIT(0)
-#define CLKPWD 0x000d
-#define CLKPWD_PDIDCK BIT(2)
-#define P2T_CTRL 0x0066
-#define P2T_DC_PKT_EN BIT(7)
-#define L1_INTR_STAT 0x007e
-#define L1_INTR_STAT_INTR1 BIT(0)
-#define INTR1_STAT 0x008f
-#define INTR1_MASK 0x0095
-#define INTR1_MONITOR_DETECT (BIT(5) | BIT(6))
-#define ZX_DDC_ADDR 0x00ed
-#define ZX_DDC_SEGM 0x00ee
-#define ZX_DDC_OFFSET 0x00ef
-#define ZX_DDC_DIN_CNT1 0x00f0
-#define ZX_DDC_DIN_CNT2 0x00f1
-#define ZX_DDC_CMD 0x00f3
-#define DDC_CMD_MASK 0xf
-#define DDC_CMD_CLEAR_FIFO 0x9
-#define DDC_CMD_SEQUENTIAL_READ 0x2
-#define ZX_DDC_DATA 0x00f4
-#define ZX_DDC_DOUT_CNT 0x00f5
-#define DDC_DOUT_CNT_MASK 0x1f
-#define TEST_TXCTRL 0x00f7
-#define TEST_TXCTRL_HDMI_MODE BIT(1)
-#define HDMICTL4 0x0235
-#define TPI_HPD_RSEN 0x063b
-#define TPI_HPD_CONNECTION (BIT(1) | BIT(2))
-#define TPI_INFO_FSEL 0x06bf
-#define FSEL_AVI 0
-#define FSEL_GBD 1
-#define FSEL_AUDIO 2
-#define FSEL_SPD 3
-#define FSEL_MPEG 4
-#define FSEL_VSIF 5
-#define TPI_INFO_B0 0x06c0
-#define TPI_INFO_EN 0x06df
-#define TPI_INFO_TRANS_EN BIT(7)
-#define TPI_INFO_TRANS_RPT BIT(6)
-#define TPI_DDC_MASTER_EN 0x06f8
-#define HW_DDC_MASTER BIT(7)
-#define N_SVAL1 0xa03
-#define N_SVAL2 0xa04
-#define N_SVAL3 0xa05
-#define AUD_EN 0xa13
-#define AUD_IN_EN BIT(0)
-#define AUD_MODE 0xa14
-#define SPDIF_EN BIT(1)
-#define TPI_AUD_CONFIG 0xa62
-#define SPDIF_SAMPLE_SIZE_SHIFT 6
-#define SPDIF_SAMPLE_SIZE_MASK (0x3 << SPDIF_SAMPLE_SIZE_SHIFT)
-#define SPDIF_SAMPLE_SIZE_16BIT (0x1 << SPDIF_SAMPLE_SIZE_SHIFT)
-#define SPDIF_SAMPLE_SIZE_20BIT (0x2 << SPDIF_SAMPLE_SIZE_SHIFT)
-#define SPDIF_SAMPLE_SIZE_24BIT (0x3 << SPDIF_SAMPLE_SIZE_SHIFT)
-#define TPI_AUD_MUTE BIT(4)
-
-#endif /* __ZX_HDMI_REGS_H__ */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright 2016 Linaro Ltd.
- * Copyright 2016 ZTE Corporation.
- */
-
-#include <drm/drm_atomic.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_fourcc.h>
-#include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_modeset_helper_vtables.h>
-#include <drm/drm_plane_helper.h>
-
-#include "zx_common_regs.h"
-#include "zx_drm_drv.h"
-#include "zx_plane.h"
-#include "zx_plane_regs.h"
-#include "zx_vou.h"
-
-static const uint32_t gl_formats[] = {
- DRM_FORMAT_ARGB8888,
- DRM_FORMAT_XRGB8888,
- DRM_FORMAT_RGB888,
- DRM_FORMAT_RGB565,
- DRM_FORMAT_ARGB1555,
- DRM_FORMAT_ARGB4444,
-};
-
-static const uint32_t vl_formats[] = {
- DRM_FORMAT_NV12, /* Semi-planar YUV420 */
- DRM_FORMAT_YUV420, /* Planar YUV420 */
- DRM_FORMAT_YUYV, /* Packed YUV422 */
- DRM_FORMAT_YVYU,
- DRM_FORMAT_UYVY,
- DRM_FORMAT_VYUY,
- DRM_FORMAT_YUV444, /* YUV444 8bit */
- /*
- * TODO: add formats below that HW supports:
- * - YUV420 P010
- * - YUV420 Hantro
- * - YUV444 10bit
- */
-};
-
-#define FRAC_16_16(mult, div) (((mult) << 16) / (div))
-
-static int zx_vl_plane_atomic_check(struct drm_plane *plane,
- struct drm_atomic_state *state)
-{
- struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state,
- plane);
- struct drm_framebuffer *fb = plane_state->fb;
- struct drm_crtc *crtc = plane_state->crtc;
- struct drm_crtc_state *crtc_state;
- int min_scale = FRAC_16_16(1, 8);
- int max_scale = FRAC_16_16(8, 1);
-
- if (!crtc || WARN_ON(!fb))
- return 0;
-
- crtc_state = drm_atomic_get_existing_crtc_state(state,
- crtc);
- if (WARN_ON(!crtc_state))
- return -EINVAL;
-
- /* nothing to check when disabling or disabled */
- if (!crtc_state->enable)
- return 0;
-
- /* plane must be enabled */
- if (!plane_state->crtc)
- return -EINVAL;
-
- return drm_atomic_helper_check_plane_state(plane_state, crtc_state,
- min_scale, max_scale,
- true, true);
-}
-
-static int zx_vl_get_fmt(uint32_t format)
-{
- switch (format) {
- case DRM_FORMAT_NV12:
- return VL_FMT_YUV420;
- case DRM_FORMAT_YUV420:
- return VL_YUV420_PLANAR | VL_FMT_YUV420;
- case DRM_FORMAT_YUYV:
- return VL_YUV422_YUYV | VL_FMT_YUV422;
- case DRM_FORMAT_YVYU:
- return VL_YUV422_YVYU | VL_FMT_YUV422;
- case DRM_FORMAT_UYVY:
- return VL_YUV422_UYVY | VL_FMT_YUV422;
- case DRM_FORMAT_VYUY:
- return VL_YUV422_VYUY | VL_FMT_YUV422;
- case DRM_FORMAT_YUV444:
- return VL_FMT_YUV444_8BIT;
- default:
- WARN_ONCE(1, "invalid pixel format %d\n", format);
- return -EINVAL;
- }
-}
-
-static inline void zx_vl_set_update(struct zx_plane *zplane)
-{
- void __iomem *layer = zplane->layer;
-
- zx_writel_mask(layer + VL_CTRL0, VL_UPDATE, VL_UPDATE);
-}
-
-static inline void zx_vl_rsz_set_update(struct zx_plane *zplane)
-{
- zx_writel(zplane->rsz + RSZ_VL_ENABLE_CFG, 1);
-}
-
-static int zx_vl_rsz_get_fmt(uint32_t format)
-{
- switch (format) {
- case DRM_FORMAT_NV12:
- case DRM_FORMAT_YUV420:
- return RSZ_VL_FMT_YCBCR420;
- case DRM_FORMAT_YUYV:
- case DRM_FORMAT_YVYU:
- case DRM_FORMAT_UYVY:
- case DRM_FORMAT_VYUY:
- return RSZ_VL_FMT_YCBCR422;
- case DRM_FORMAT_YUV444:
- return RSZ_VL_FMT_YCBCR444;
- default:
- WARN_ONCE(1, "invalid pixel format %d\n", format);
- return -EINVAL;
- }
-}
-
-static inline u32 rsz_step_value(u32 src, u32 dst)
-{
- u32 val = 0;
-
- if (src == dst)
- val = 0;
- else if (src < dst)
- val = RSZ_PARA_STEP((src << 16) / dst);
- else if (src > dst)
- val = RSZ_DATA_STEP(src / dst) |
- RSZ_PARA_STEP(((src << 16) / dst) & 0xffff);
-
- return val;
-}
-
-static void zx_vl_rsz_setup(struct zx_plane *zplane, uint32_t format,
- u32 src_w, u32 src_h, u32 dst_w, u32 dst_h)
-{
- void __iomem *rsz = zplane->rsz;
- u32 src_chroma_w = src_w;
- u32 src_chroma_h = src_h;
- int fmt;
-
- /* Set up source and destination resolution */
- zx_writel(rsz + RSZ_SRC_CFG, RSZ_VER(src_h - 1) | RSZ_HOR(src_w - 1));
- zx_writel(rsz + RSZ_DEST_CFG, RSZ_VER(dst_h - 1) | RSZ_HOR(dst_w - 1));
-
- /* Configure data format for VL RSZ */
- fmt = zx_vl_rsz_get_fmt(format);
- if (fmt >= 0)
- zx_writel_mask(rsz + RSZ_VL_CTRL_CFG, RSZ_VL_FMT_MASK, fmt);
-
- /* Calculate Chroma height and width */
- if (fmt == RSZ_VL_FMT_YCBCR420) {
- src_chroma_w = src_w >> 1;
- src_chroma_h = src_h >> 1;
- } else if (fmt == RSZ_VL_FMT_YCBCR422) {
- src_chroma_w = src_w >> 1;
- }
-
- /* Set up Luma and Chroma step registers */
- zx_writel(rsz + RSZ_VL_LUMA_HOR, rsz_step_value(src_w, dst_w));
- zx_writel(rsz + RSZ_VL_LUMA_VER, rsz_step_value(src_h, dst_h));
- zx_writel(rsz + RSZ_VL_CHROMA_HOR, rsz_step_value(src_chroma_w, dst_w));
- zx_writel(rsz + RSZ_VL_CHROMA_VER, rsz_step_value(src_chroma_h, dst_h));
-
- zx_vl_rsz_set_update(zplane);
-}
-
-static void zx_vl_plane_atomic_update(struct drm_plane *plane,
- struct drm_atomic_state *state)
-{
- struct zx_plane *zplane = to_zx_plane(plane);
- struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
- plane);
- struct drm_framebuffer *fb = new_state->fb;
- struct drm_rect *src = &new_state->src;
- struct drm_rect *dst = &new_state->dst;
- struct drm_gem_cma_object *cma_obj;
- void __iomem *layer = zplane->layer;
- void __iomem *hbsc = zplane->hbsc;
- void __iomem *paddr_reg;
- dma_addr_t paddr;
- u32 src_x, src_y, src_w, src_h;
- u32 dst_x, dst_y, dst_w, dst_h;
- uint32_t format;
- int fmt;
- int i;
-
- if (!fb)
- return;
-
- format = fb->format->format;
-
- src_x = src->x1 >> 16;
- src_y = src->y1 >> 16;
- src_w = drm_rect_width(src) >> 16;
- src_h = drm_rect_height(src) >> 16;
-
- dst_x = dst->x1;
- dst_y = dst->y1;
- dst_w = drm_rect_width(dst);
- dst_h = drm_rect_height(dst);
-
- /* Set up data address registers for Y, Cb and Cr planes */
- paddr_reg = layer + VL_Y;
- for (i = 0; i < fb->format->num_planes; i++) {
- cma_obj = drm_fb_cma_get_gem_obj(fb, i);
- paddr = cma_obj->paddr + fb->offsets[i];
- paddr += src_y * fb->pitches[i];
- paddr += src_x * fb->format->cpp[i];
- zx_writel(paddr_reg, paddr);
- paddr_reg += 4;
- }
-
- /* Set up source height/width register */
- zx_writel(layer + VL_SRC_SIZE, GL_SRC_W(src_w) | GL_SRC_H(src_h));
-
- /* Set up start position register */
- zx_writel(layer + VL_POS_START, GL_POS_X(dst_x) | GL_POS_Y(dst_y));
-
- /* Set up end position register */
- zx_writel(layer + VL_POS_END,
- GL_POS_X(dst_x + dst_w) | GL_POS_Y(dst_y + dst_h));
-
- /* Strides of Cb and Cr planes should be identical */
- zx_writel(layer + VL_STRIDE, LUMA_STRIDE(fb->pitches[0]) |
- CHROMA_STRIDE(fb->pitches[1]));
-
- /* Set up video layer data format */
- fmt = zx_vl_get_fmt(format);
- if (fmt >= 0)
- zx_writel(layer + VL_CTRL1, fmt);
-
- /* Always use scaler since it exists (set for not bypass) */
- zx_writel_mask(layer + VL_CTRL2, VL_SCALER_BYPASS_MODE,
- VL_SCALER_BYPASS_MODE);
-
- zx_vl_rsz_setup(zplane, format, src_w, src_h, dst_w, dst_h);
-
- /* Enable HBSC block */
- zx_writel_mask(hbsc + HBSC_CTRL0, HBSC_CTRL_EN, HBSC_CTRL_EN);
-
- zx_vou_layer_enable(plane);
-
- zx_vl_set_update(zplane);
-}
-
-static void zx_plane_atomic_disable(struct drm_plane *plane,
- struct drm_atomic_state *state)
-{
- struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
- plane);
- struct zx_plane *zplane = to_zx_plane(plane);
- void __iomem *hbsc = zplane->hbsc;
-
- zx_vou_layer_disable(plane, old_state);
-
- /* Disable HBSC block */
- zx_writel_mask(hbsc + HBSC_CTRL0, HBSC_CTRL_EN, 0);
-}
-
-static const struct drm_plane_helper_funcs zx_vl_plane_helper_funcs = {
- .atomic_check = zx_vl_plane_atomic_check,
- .atomic_update = zx_vl_plane_atomic_update,
- .atomic_disable = zx_plane_atomic_disable,
-};
-
-static int zx_gl_plane_atomic_check(struct drm_plane *plane,
- struct drm_atomic_state *state)
-{
- struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state,
- plane);
- struct drm_framebuffer *fb = plane_state->fb;
- struct drm_crtc *crtc = plane_state->crtc;
- struct drm_crtc_state *crtc_state;
-
- if (!crtc || WARN_ON(!fb))
- return 0;
-
- crtc_state = drm_atomic_get_existing_crtc_state(state,
- crtc);
- if (WARN_ON(!crtc_state))
- return -EINVAL;
-
- /* nothing to check when disabling or disabled */
- if (!crtc_state->enable)
- return 0;
-
- /* plane must be enabled */
- if (!plane_state->crtc)
- return -EINVAL;
-
- return drm_atomic_helper_check_plane_state(plane_state, crtc_state,
- DRM_PLANE_HELPER_NO_SCALING,
- DRM_PLANE_HELPER_NO_SCALING,
- false, true);
-}
-
-static int zx_gl_get_fmt(uint32_t format)
-{
- switch (format) {
- case DRM_FORMAT_ARGB8888:
- case DRM_FORMAT_XRGB8888:
- return GL_FMT_ARGB8888;
- case DRM_FORMAT_RGB888:
- return GL_FMT_RGB888;
- case DRM_FORMAT_RGB565:
- return GL_FMT_RGB565;
- case DRM_FORMAT_ARGB1555:
- return GL_FMT_ARGB1555;
- case DRM_FORMAT_ARGB4444:
- return GL_FMT_ARGB4444;
- default:
- WARN_ONCE(1, "invalid pixel format %d\n", format);
- return -EINVAL;
- }
-}
-
-static inline void zx_gl_set_update(struct zx_plane *zplane)
-{
- void __iomem *layer = zplane->layer;
-
- zx_writel_mask(layer + GL_CTRL0, GL_UPDATE, GL_UPDATE);
-}
-
-static inline void zx_gl_rsz_set_update(struct zx_plane *zplane)
-{
- zx_writel(zplane->rsz + RSZ_ENABLE_CFG, 1);
-}
-
-static void zx_gl_rsz_setup(struct zx_plane *zplane, u32 src_w, u32 src_h,
- u32 dst_w, u32 dst_h)
-{
- void __iomem *rsz = zplane->rsz;
-
- zx_writel(rsz + RSZ_SRC_CFG, RSZ_VER(src_h - 1) | RSZ_HOR(src_w - 1));
- zx_writel(rsz + RSZ_DEST_CFG, RSZ_VER(dst_h - 1) | RSZ_HOR(dst_w - 1));
-
- zx_gl_rsz_set_update(zplane);
-}
-
-static void zx_gl_plane_atomic_update(struct drm_plane *plane,
- struct drm_atomic_state *state)
-{
- struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
- plane);
- struct zx_plane *zplane = to_zx_plane(plane);
- struct drm_framebuffer *fb = new_state->fb;
- struct drm_gem_cma_object *cma_obj;
- void __iomem *layer = zplane->layer;
- void __iomem *csc = zplane->csc;
- void __iomem *hbsc = zplane->hbsc;
- u32 src_x, src_y, src_w, src_h;
- u32 dst_x, dst_y, dst_w, dst_h;
- unsigned int bpp;
- uint32_t format;
- dma_addr_t paddr;
- u32 stride;
- int fmt;
-
- if (!fb)
- return;
-
- format = fb->format->format;
- stride = fb->pitches[0];
-
- src_x = new_state->src_x >> 16;
- src_y = new_state->src_y >> 16;
- src_w = new_state->src_w >> 16;
- src_h = new_state->src_h >> 16;
-
- dst_x = new_state->crtc_x;
- dst_y = new_state->crtc_y;
- dst_w = new_state->crtc_w;
- dst_h = new_state->crtc_h;
-
- bpp = fb->format->cpp[0];
-
- cma_obj = drm_fb_cma_get_gem_obj(fb, 0);
- paddr = cma_obj->paddr + fb->offsets[0];
- paddr += src_y * stride + src_x * bpp / 8;
- zx_writel(layer + GL_ADDR, paddr);
-
- /* Set up source height/width register */
- zx_writel(layer + GL_SRC_SIZE, GL_SRC_W(src_w) | GL_SRC_H(src_h));
-
- /* Set up start position register */
- zx_writel(layer + GL_POS_START, GL_POS_X(dst_x) | GL_POS_Y(dst_y));
-
- /* Set up end position register */
- zx_writel(layer + GL_POS_END,
- GL_POS_X(dst_x + dst_w) | GL_POS_Y(dst_y + dst_h));
-
- /* Set up stride register */
- zx_writel(layer + GL_STRIDE, stride & 0xffff);
-
- /* Set up graphic layer data format */
- fmt = zx_gl_get_fmt(format);
- if (fmt >= 0)
- zx_writel_mask(layer + GL_CTRL1, GL_DATA_FMT_MASK,
- fmt << GL_DATA_FMT_SHIFT);
-
- /* Initialize global alpha with a sane value */
- zx_writel_mask(layer + GL_CTRL2, GL_GLOBAL_ALPHA_MASK,
- 0xff << GL_GLOBAL_ALPHA_SHIFT);
-
- /* Setup CSC for the GL */
- if (dst_h > 720)
- zx_writel_mask(csc + CSC_CTRL0, CSC_COV_MODE_MASK,
- CSC_BT709_IMAGE_RGB2YCBCR << CSC_COV_MODE_SHIFT);
- else
- zx_writel_mask(csc + CSC_CTRL0, CSC_COV_MODE_MASK,
- CSC_BT601_IMAGE_RGB2YCBCR << CSC_COV_MODE_SHIFT);
- zx_writel_mask(csc + CSC_CTRL0, CSC_WORK_ENABLE, CSC_WORK_ENABLE);
-
- /* Always use scaler since it exists (set for not bypass) */
- zx_writel_mask(layer + GL_CTRL3, GL_SCALER_BYPASS_MODE,
- GL_SCALER_BYPASS_MODE);
-
- zx_gl_rsz_setup(zplane, src_w, src_h, dst_w, dst_h);
-
- /* Enable HBSC block */
- zx_writel_mask(hbsc + HBSC_CTRL0, HBSC_CTRL_EN, HBSC_CTRL_EN);
-
- zx_vou_layer_enable(plane);
-
- zx_gl_set_update(zplane);
-}
-
-static const struct drm_plane_helper_funcs zx_gl_plane_helper_funcs = {
- .atomic_check = zx_gl_plane_atomic_check,
- .atomic_update = zx_gl_plane_atomic_update,
- .atomic_disable = zx_plane_atomic_disable,
-};
-
-static const struct drm_plane_funcs zx_plane_funcs = {
- .update_plane = drm_atomic_helper_update_plane,
- .disable_plane = drm_atomic_helper_disable_plane,
- .destroy = drm_plane_cleanup,
- .reset = drm_atomic_helper_plane_reset,
- .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
-};
-
-void zx_plane_set_update(struct drm_plane *plane)
-{
- struct zx_plane *zplane = to_zx_plane(plane);
-
- /* Do nothing if the plane is not enabled */
- if (!plane->state->crtc)
- return;
-
- switch (plane->type) {
- case DRM_PLANE_TYPE_PRIMARY:
- zx_gl_rsz_set_update(zplane);
- zx_gl_set_update(zplane);
- break;
- case DRM_PLANE_TYPE_OVERLAY:
- zx_vl_rsz_set_update(zplane);
- zx_vl_set_update(zplane);
- break;
- default:
- WARN_ONCE(1, "unsupported plane type %d\n", plane->type);
- }
-}
-
-static void zx_plane_hbsc_init(struct zx_plane *zplane)
-{
- void __iomem *hbsc = zplane->hbsc;
-
- /*
- * Initialize HBSC block with a sane configuration per recommedation
- * from ZTE BSP code.
- */
- zx_writel(hbsc + HBSC_SATURATION, 0x200);
- zx_writel(hbsc + HBSC_HUE, 0x0);
- zx_writel(hbsc + HBSC_BRIGHT, 0x0);
- zx_writel(hbsc + HBSC_CONTRAST, 0x200);
-
- zx_writel(hbsc + HBSC_THRESHOLD_COL1, (0x3ac << 16) | 0x40);
- zx_writel(hbsc + HBSC_THRESHOLD_COL2, (0x3c0 << 16) | 0x40);
- zx_writel(hbsc + HBSC_THRESHOLD_COL3, (0x3c0 << 16) | 0x40);
-}
-
-int zx_plane_init(struct drm_device *drm, struct zx_plane *zplane,
- enum drm_plane_type type)
-{
- const struct drm_plane_helper_funcs *helper;
- struct drm_plane *plane = &zplane->plane;
- struct device *dev = zplane->dev;
- const uint32_t *formats;
- unsigned int format_count;
- int ret;
-
- zx_plane_hbsc_init(zplane);
-
- switch (type) {
- case DRM_PLANE_TYPE_PRIMARY:
- helper = &zx_gl_plane_helper_funcs;
- formats = gl_formats;
- format_count = ARRAY_SIZE(gl_formats);
- break;
- case DRM_PLANE_TYPE_OVERLAY:
- helper = &zx_vl_plane_helper_funcs;
- formats = vl_formats;
- format_count = ARRAY_SIZE(vl_formats);
- break;
- default:
- return -ENODEV;
- }
-
- ret = drm_universal_plane_init(drm, plane, VOU_CRTC_MASK,
- &zx_plane_funcs, formats, format_count,
- NULL, type, NULL);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to init universal plane: %d\n", ret);
- return ret;
- }
-
- drm_plane_helper_add(plane, helper);
-
- return 0;
-}
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright 2016 Linaro Ltd.
- * Copyright 2016 ZTE Corporation.
- */
-
-#ifndef __ZX_PLANE_H__
-#define __ZX_PLANE_H__
-
-struct zx_plane {
- struct drm_plane plane;
- struct device *dev;
- void __iomem *layer;
- void __iomem *csc;
- void __iomem *hbsc;
- void __iomem *rsz;
- const struct vou_layer_bits *bits;
-};
-
-#define to_zx_plane(plane) container_of(plane, struct zx_plane, plane)
-
-int zx_plane_init(struct drm_device *drm, struct zx_plane *zplane,
- enum drm_plane_type type);
-void zx_plane_set_update(struct drm_plane *plane);
-
-#endif /* __ZX_PLANE_H__ */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright 2016 Linaro Ltd.
- * Copyright 2016 ZTE Corporation.
- */
-
-#ifndef __ZX_PLANE_REGS_H__
-#define __ZX_PLANE_REGS_H__
-
-/* GL registers */
-#define GL_CTRL0 0x00
-#define GL_UPDATE BIT(5)
-#define GL_CTRL1 0x04
-#define GL_DATA_FMT_SHIFT 0
-#define GL_DATA_FMT_MASK (0xf << GL_DATA_FMT_SHIFT)
-#define GL_FMT_ARGB8888 0
-#define GL_FMT_RGB888 1
-#define GL_FMT_RGB565 2
-#define GL_FMT_ARGB1555 3
-#define GL_FMT_ARGB4444 4
-#define GL_CTRL2 0x08
-#define GL_GLOBAL_ALPHA_SHIFT 8
-#define GL_GLOBAL_ALPHA_MASK (0xff << GL_GLOBAL_ALPHA_SHIFT)
-#define GL_CTRL3 0x0c
-#define GL_SCALER_BYPASS_MODE BIT(0)
-#define GL_STRIDE 0x18
-#define GL_ADDR 0x1c
-#define GL_SRC_SIZE 0x38
-#define GL_SRC_W_SHIFT 16
-#define GL_SRC_W_MASK (0x3fff << GL_SRC_W_SHIFT)
-#define GL_SRC_H_SHIFT 0
-#define GL_SRC_H_MASK (0x3fff << GL_SRC_H_SHIFT)
-#define GL_POS_START 0x9c
-#define GL_POS_END 0xa0
-#define GL_POS_X_SHIFT 16
-#define GL_POS_X_MASK (0x1fff << GL_POS_X_SHIFT)
-#define GL_POS_Y_SHIFT 0
-#define GL_POS_Y_MASK (0x1fff << GL_POS_Y_SHIFT)
-
-#define GL_SRC_W(x) (((x) << GL_SRC_W_SHIFT) & GL_SRC_W_MASK)
-#define GL_SRC_H(x) (((x) << GL_SRC_H_SHIFT) & GL_SRC_H_MASK)
-#define GL_POS_X(x) (((x) << GL_POS_X_SHIFT) & GL_POS_X_MASK)
-#define GL_POS_Y(x) (((x) << GL_POS_Y_SHIFT) & GL_POS_Y_MASK)
-
-/* VL registers */
-#define VL_CTRL0 0x00
-#define VL_UPDATE BIT(3)
-#define VL_CTRL1 0x04
-#define VL_YUV420_PLANAR BIT(5)
-#define VL_YUV422_SHIFT 3
-#define VL_YUV422_YUYV (0 << VL_YUV422_SHIFT)
-#define VL_YUV422_YVYU (1 << VL_YUV422_SHIFT)
-#define VL_YUV422_UYVY (2 << VL_YUV422_SHIFT)
-#define VL_YUV422_VYUY (3 << VL_YUV422_SHIFT)
-#define VL_FMT_YUV420 0
-#define VL_FMT_YUV422 1
-#define VL_FMT_YUV420_P010 2
-#define VL_FMT_YUV420_HANTRO 3
-#define VL_FMT_YUV444_8BIT 4
-#define VL_FMT_YUV444_10BIT 5
-#define VL_CTRL2 0x08
-#define VL_SCALER_BYPASS_MODE BIT(0)
-#define VL_STRIDE 0x0c
-#define LUMA_STRIDE_SHIFT 16
-#define LUMA_STRIDE_MASK (0xffff << LUMA_STRIDE_SHIFT)
-#define CHROMA_STRIDE_SHIFT 0
-#define CHROMA_STRIDE_MASK (0xffff << CHROMA_STRIDE_SHIFT)
-#define VL_SRC_SIZE 0x10
-#define VL_Y 0x14
-#define VL_POS_START 0x30
-#define VL_POS_END 0x34
-
-#define LUMA_STRIDE(x) (((x) << LUMA_STRIDE_SHIFT) & LUMA_STRIDE_MASK)
-#define CHROMA_STRIDE(x) (((x) << CHROMA_STRIDE_SHIFT) & CHROMA_STRIDE_MASK)
-
-/* RSZ registers */
-#define RSZ_SRC_CFG 0x00
-#define RSZ_DEST_CFG 0x04
-#define RSZ_ENABLE_CFG 0x14
-
-#define RSZ_VL_LUMA_HOR 0x08
-#define RSZ_VL_LUMA_VER 0x0c
-#define RSZ_VL_CHROMA_HOR 0x10
-#define RSZ_VL_CHROMA_VER 0x14
-#define RSZ_VL_CTRL_CFG 0x18
-#define RSZ_VL_FMT_SHIFT 3
-#define RSZ_VL_FMT_MASK (0x3 << RSZ_VL_FMT_SHIFT)
-#define RSZ_VL_FMT_YCBCR420 (0x0 << RSZ_VL_FMT_SHIFT)
-#define RSZ_VL_FMT_YCBCR422 (0x1 << RSZ_VL_FMT_SHIFT)
-#define RSZ_VL_FMT_YCBCR444 (0x2 << RSZ_VL_FMT_SHIFT)
-#define RSZ_VL_ENABLE_CFG 0x1c
-
-#define RSZ_VER_SHIFT 16
-#define RSZ_VER_MASK (0xffff << RSZ_VER_SHIFT)
-#define RSZ_HOR_SHIFT 0
-#define RSZ_HOR_MASK (0xffff << RSZ_HOR_SHIFT)
-
-#define RSZ_VER(x) (((x) << RSZ_VER_SHIFT) & RSZ_VER_MASK)
-#define RSZ_HOR(x) (((x) << RSZ_HOR_SHIFT) & RSZ_HOR_MASK)
-
-#define RSZ_DATA_STEP_SHIFT 16
-#define RSZ_DATA_STEP_MASK (0xffff << RSZ_DATA_STEP_SHIFT)
-#define RSZ_PARA_STEP_SHIFT 0
-#define RSZ_PARA_STEP_MASK (0xffff << RSZ_PARA_STEP_SHIFT)
-
-#define RSZ_DATA_STEP(x) (((x) << RSZ_DATA_STEP_SHIFT) & RSZ_DATA_STEP_MASK)
-#define RSZ_PARA_STEP(x) (((x) << RSZ_PARA_STEP_SHIFT) & RSZ_PARA_STEP_MASK)
-
-/* HBSC registers */
-#define HBSC_SATURATION 0x00
-#define HBSC_HUE 0x04
-#define HBSC_BRIGHT 0x08
-#define HBSC_CONTRAST 0x0c
-#define HBSC_THRESHOLD_COL1 0x10
-#define HBSC_THRESHOLD_COL2 0x14
-#define HBSC_THRESHOLD_COL3 0x18
-#define HBSC_CTRL0 0x28
-#define HBSC_CTRL_EN BIT(2)
-
-#endif /* __ZX_PLANE_REGS_H__ */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright 2017 Linaro Ltd.
- * Copyright 2017 ZTE Corporation.
- */
-
-#include <linux/clk.h>
-#include <linux/component.h>
-#include <linux/mfd/syscon.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/regmap.h>
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_print.h>
-#include <drm/drm_probe_helper.h>
-#include <drm/drm_simple_kms_helper.h>
-
-#include "zx_drm_drv.h"
-#include "zx_tvenc_regs.h"
-#include "zx_vou.h"
-
-struct zx_tvenc_pwrctrl {
- struct regmap *regmap;
- u32 reg;
- u32 mask;
-};
-
-struct zx_tvenc {
- struct drm_connector connector;
- struct drm_encoder encoder;
- struct device *dev;
- void __iomem *mmio;
- const struct vou_inf *inf;
- struct zx_tvenc_pwrctrl pwrctrl;
-};
-
-#define to_zx_tvenc(x) container_of(x, struct zx_tvenc, x)
-
-struct zx_tvenc_mode {
- struct drm_display_mode mode;
- u32 video_info;
- u32 video_res;
- u32 field1_param;
- u32 field2_param;
- u32 burst_line_odd1;
- u32 burst_line_even1;
- u32 burst_line_odd2;
- u32 burst_line_even2;
- u32 line_timing_param;
- u32 weight_value;
- u32 blank_black_level;
- u32 burst_level;
- u32 control_param;
- u32 sub_carrier_phase1;
- u32 phase_line_incr_cvbs;
-};
-
-/*
- * The CRM cannot directly provide a suitable frequency, and we have to
- * ask a multiplied rate from CRM and use the divider in VOU to get the
- * desired one.
- */
-#define TVENC_CLOCK_MULTIPLIER 4
-
-static const struct zx_tvenc_mode tvenc_mode_pal = {
- .mode = {
- .clock = 13500 * TVENC_CLOCK_MULTIPLIER,
- .hdisplay = 720,
- .hsync_start = 720 + 12,
- .hsync_end = 720 + 12 + 2,
- .htotal = 720 + 12 + 2 + 130,
- .vdisplay = 576,
- .vsync_start = 576 + 2,
- .vsync_end = 576 + 2 + 2,
- .vtotal = 576 + 2 + 2 + 20,
- .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
- DRM_MODE_FLAG_INTERLACE,
- },
- .video_info = 0x00040040,
- .video_res = 0x05a9c760,
- .field1_param = 0x0004d416,
- .field2_param = 0x0009b94f,
- .burst_line_odd1 = 0x0004d406,
- .burst_line_even1 = 0x0009b53e,
- .burst_line_odd2 = 0x0004d805,
- .burst_line_even2 = 0x0009b93f,
- .line_timing_param = 0x06a96fdf,
- .weight_value = 0x00c188a0,
- .blank_black_level = 0x0000fcfc,
- .burst_level = 0x00001595,
- .control_param = 0x00000001,
- .sub_carrier_phase1 = 0x1504c566,
- .phase_line_incr_cvbs = 0xc068db8c,
-};
-
-static const struct zx_tvenc_mode tvenc_mode_ntsc = {
- .mode = {
- .clock = 13500 * TVENC_CLOCK_MULTIPLIER,
- .hdisplay = 720,
- .hsync_start = 720 + 16,
- .hsync_end = 720 + 16 + 2,
- .htotal = 720 + 16 + 2 + 120,
- .vdisplay = 480,
- .vsync_start = 480 + 3,
- .vsync_end = 480 + 3 + 2,
- .vtotal = 480 + 3 + 2 + 17,
- .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
- DRM_MODE_FLAG_INTERLACE,
- },
- .video_info = 0x00040080,
- .video_res = 0x05a8375a,
- .field1_param = 0x00041817,
- .field2_param = 0x0008351e,
- .burst_line_odd1 = 0x00041006,
- .burst_line_even1 = 0x0008290d,
- .burst_line_odd2 = 0x00000000,
- .burst_line_even2 = 0x00000000,
- .line_timing_param = 0x06a8ef9e,
- .weight_value = 0x00b68197,
- .blank_black_level = 0x0000f0f0,
- .burst_level = 0x0000009c,
- .control_param = 0x00000001,
- .sub_carrier_phase1 = 0x10f83e10,
- .phase_line_incr_cvbs = 0x80000000,
-};
-
-static const struct zx_tvenc_mode *tvenc_modes[] = {
- &tvenc_mode_pal,
- &tvenc_mode_ntsc,
-};
-
-static const struct zx_tvenc_mode *
-zx_tvenc_find_zmode(struct drm_display_mode *mode)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(tvenc_modes); i++) {
- const struct zx_tvenc_mode *zmode = tvenc_modes[i];
-
- if (drm_mode_equal(mode, &zmode->mode))
- return zmode;
- }
-
- return NULL;
-}
-
-static void zx_tvenc_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adj_mode)
-{
- struct zx_tvenc *tvenc = to_zx_tvenc(encoder);
- const struct zx_tvenc_mode *zmode;
- struct vou_div_config configs[] = {
- { VOU_DIV_INF, VOU_DIV_4 },
- { VOU_DIV_TVENC, VOU_DIV_1 },
- { VOU_DIV_LAYER, VOU_DIV_2 },
- };
-
- zx_vou_config_dividers(encoder->crtc, configs, ARRAY_SIZE(configs));
-
- zmode = zx_tvenc_find_zmode(mode);
- if (!zmode) {
- DRM_DEV_ERROR(tvenc->dev, "failed to find zmode\n");
- return;
- }
-
- zx_writel(tvenc->mmio + VENC_VIDEO_INFO, zmode->video_info);
- zx_writel(tvenc->mmio + VENC_VIDEO_RES, zmode->video_res);
- zx_writel(tvenc->mmio + VENC_FIELD1_PARAM, zmode->field1_param);
- zx_writel(tvenc->mmio + VENC_FIELD2_PARAM, zmode->field2_param);
- zx_writel(tvenc->mmio + VENC_LINE_O_1, zmode->burst_line_odd1);
- zx_writel(tvenc->mmio + VENC_LINE_E_1, zmode->burst_line_even1);
- zx_writel(tvenc->mmio + VENC_LINE_O_2, zmode->burst_line_odd2);
- zx_writel(tvenc->mmio + VENC_LINE_E_2, zmode->burst_line_even2);
- zx_writel(tvenc->mmio + VENC_LINE_TIMING_PARAM,
- zmode->line_timing_param);
- zx_writel(tvenc->mmio + VENC_WEIGHT_VALUE, zmode->weight_value);
- zx_writel(tvenc->mmio + VENC_BLANK_BLACK_LEVEL,
- zmode->blank_black_level);
- zx_writel(tvenc->mmio + VENC_BURST_LEVEL, zmode->burst_level);
- zx_writel(tvenc->mmio + VENC_CONTROL_PARAM, zmode->control_param);
- zx_writel(tvenc->mmio + VENC_SUB_CARRIER_PHASE1,
- zmode->sub_carrier_phase1);
- zx_writel(tvenc->mmio + VENC_PHASE_LINE_INCR_CVBS,
- zmode->phase_line_incr_cvbs);
-}
-
-static void zx_tvenc_encoder_enable(struct drm_encoder *encoder)
-{
- struct zx_tvenc *tvenc = to_zx_tvenc(encoder);
- struct zx_tvenc_pwrctrl *pwrctrl = &tvenc->pwrctrl;
-
- /* Set bit to power up TVENC DAC */
- regmap_update_bits(pwrctrl->regmap, pwrctrl->reg, pwrctrl->mask,
- pwrctrl->mask);
-
- vou_inf_enable(VOU_TV_ENC, encoder->crtc);
-
- zx_writel(tvenc->mmio + VENC_ENABLE, 1);
-}
-
-static void zx_tvenc_encoder_disable(struct drm_encoder *encoder)
-{
- struct zx_tvenc *tvenc = to_zx_tvenc(encoder);
- struct zx_tvenc_pwrctrl *pwrctrl = &tvenc->pwrctrl;
-
- zx_writel(tvenc->mmio + VENC_ENABLE, 0);
-
- vou_inf_disable(VOU_TV_ENC, encoder->crtc);
-
- /* Clear bit to power down TVENC DAC */
- regmap_update_bits(pwrctrl->regmap, pwrctrl->reg, pwrctrl->mask, 0);
-}
-
-static const struct drm_encoder_helper_funcs zx_tvenc_encoder_helper_funcs = {
- .enable = zx_tvenc_encoder_enable,
- .disable = zx_tvenc_encoder_disable,
- .mode_set = zx_tvenc_encoder_mode_set,
-};
-
-static int zx_tvenc_connector_get_modes(struct drm_connector *connector)
-{
- struct zx_tvenc *tvenc = to_zx_tvenc(connector);
- struct device *dev = tvenc->dev;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(tvenc_modes); i++) {
- const struct zx_tvenc_mode *zmode = tvenc_modes[i];
- struct drm_display_mode *mode;
-
- mode = drm_mode_duplicate(connector->dev, &zmode->mode);
- if (!mode) {
- DRM_DEV_ERROR(dev, "failed to duplicate drm mode\n");
- continue;
- }
-
- drm_mode_set_name(mode);
- drm_mode_probed_add(connector, mode);
- }
-
- return i;
-}
-
-static enum drm_mode_status
-zx_tvenc_connector_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode)
-{
- struct zx_tvenc *tvenc = to_zx_tvenc(connector);
- const struct zx_tvenc_mode *zmode;
-
- zmode = zx_tvenc_find_zmode(mode);
- if (!zmode) {
- DRM_DEV_ERROR(tvenc->dev, "unsupported mode: %s\n", mode->name);
- return MODE_NOMODE;
- }
-
- return MODE_OK;
-}
-
-static struct drm_connector_helper_funcs zx_tvenc_connector_helper_funcs = {
- .get_modes = zx_tvenc_connector_get_modes,
- .mode_valid = zx_tvenc_connector_mode_valid,
-};
-
-static const struct drm_connector_funcs zx_tvenc_connector_funcs = {
- .fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = drm_connector_cleanup,
- .reset = drm_atomic_helper_connector_reset,
- .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
-};
-
-static int zx_tvenc_register(struct drm_device *drm, struct zx_tvenc *tvenc)
-{
- struct drm_encoder *encoder = &tvenc->encoder;
- struct drm_connector *connector = &tvenc->connector;
-
- /*
- * The tvenc is designed to use aux channel, as there is a deflicker
- * block for the channel.
- */
- encoder->possible_crtcs = BIT(1);
-
- drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TVDAC);
- drm_encoder_helper_add(encoder, &zx_tvenc_encoder_helper_funcs);
-
- connector->interlace_allowed = true;
-
- drm_connector_init(drm, connector, &zx_tvenc_connector_funcs,
- DRM_MODE_CONNECTOR_Composite);
- drm_connector_helper_add(connector, &zx_tvenc_connector_helper_funcs);
-
- drm_connector_attach_encoder(connector, encoder);
-
- return 0;
-}
-
-static int zx_tvenc_pwrctrl_init(struct zx_tvenc *tvenc)
-{
- struct zx_tvenc_pwrctrl *pwrctrl = &tvenc->pwrctrl;
- struct device *dev = tvenc->dev;
- struct of_phandle_args out_args;
- struct regmap *regmap;
- int ret;
-
- ret = of_parse_phandle_with_fixed_args(dev->of_node,
- "zte,tvenc-power-control", 2, 0, &out_args);
- if (ret)
- return ret;
-
- regmap = syscon_node_to_regmap(out_args.np);
- if (IS_ERR(regmap)) {
- ret = PTR_ERR(regmap);
- goto out;
- }
-
- pwrctrl->regmap = regmap;
- pwrctrl->reg = out_args.args[0];
- pwrctrl->mask = out_args.args[1];
-
-out:
- of_node_put(out_args.np);
- return ret;
-}
-
-static int zx_tvenc_bind(struct device *dev, struct device *master, void *data)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct drm_device *drm = data;
- struct resource *res;
- struct zx_tvenc *tvenc;
- int ret;
-
- tvenc = devm_kzalloc(dev, sizeof(*tvenc), GFP_KERNEL);
- if (!tvenc)
- return -ENOMEM;
-
- tvenc->dev = dev;
- dev_set_drvdata(dev, tvenc);
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- tvenc->mmio = devm_ioremap_resource(dev, res);
- if (IS_ERR(tvenc->mmio)) {
- ret = PTR_ERR(tvenc->mmio);
- DRM_DEV_ERROR(dev, "failed to remap tvenc region: %d\n", ret);
- return ret;
- }
-
- ret = zx_tvenc_pwrctrl_init(tvenc);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to init power control: %d\n", ret);
- return ret;
- }
-
- ret = zx_tvenc_register(drm, tvenc);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to register tvenc: %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-
-static void zx_tvenc_unbind(struct device *dev, struct device *master,
- void *data)
-{
- /* Nothing to do */
-}
-
-static const struct component_ops zx_tvenc_component_ops = {
- .bind = zx_tvenc_bind,
- .unbind = zx_tvenc_unbind,
-};
-
-static int zx_tvenc_probe(struct platform_device *pdev)
-{
- return component_add(&pdev->dev, &zx_tvenc_component_ops);
-}
-
-static int zx_tvenc_remove(struct platform_device *pdev)
-{
- component_del(&pdev->dev, &zx_tvenc_component_ops);
- return 0;
-}
-
-static const struct of_device_id zx_tvenc_of_match[] = {
- { .compatible = "zte,zx296718-tvenc", },
- { /* end */ },
-};
-MODULE_DEVICE_TABLE(of, zx_tvenc_of_match);
-
-struct platform_driver zx_tvenc_driver = {
- .probe = zx_tvenc_probe,
- .remove = zx_tvenc_remove,
- .driver = {
- .name = "zx-tvenc",
- .of_match_table = zx_tvenc_of_match,
- },
-};
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright 2017 Linaro Ltd.
- * Copyright 2017 ZTE Corporation.
- */
-
-#ifndef __ZX_TVENC_REGS_H__
-#define __ZX_TVENC_REGS_H__
-
-#define VENC_VIDEO_INFO 0x04
-#define VENC_VIDEO_RES 0x08
-#define VENC_FIELD1_PARAM 0x10
-#define VENC_FIELD2_PARAM 0x14
-#define VENC_LINE_O_1 0x18
-#define VENC_LINE_E_1 0x1c
-#define VENC_LINE_O_2 0x20
-#define VENC_LINE_E_2 0x24
-#define VENC_LINE_TIMING_PARAM 0x28
-#define VENC_WEIGHT_VALUE 0x2c
-#define VENC_BLANK_BLACK_LEVEL 0x30
-#define VENC_BURST_LEVEL 0x34
-#define VENC_CONTROL_PARAM 0x3c
-#define VENC_SUB_CARRIER_PHASE1 0x40
-#define VENC_PHASE_LINE_INCR_CVBS 0x48
-#define VENC_ENABLE 0xa8
-
-#endif /* __ZX_TVENC_REGS_H__ */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2017 Sanechips Technology Co., Ltd.
- * Copyright 2017 Linaro Ltd.
- */
-
-#include <linux/clk.h>
-#include <linux/component.h>
-#include <linux/mfd/syscon.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/regmap.h>
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_print.h>
-#include <drm/drm_probe_helper.h>
-#include <drm/drm_simple_kms_helper.h>
-
-#include "zx_drm_drv.h"
-#include "zx_vga_regs.h"
-#include "zx_vou.h"
-
-struct zx_vga_pwrctrl {
- struct regmap *regmap;
- u32 reg;
- u32 mask;
-};
-
-struct zx_vga_i2c {
- struct i2c_adapter adap;
- struct mutex lock;
-};
-
-struct zx_vga {
- struct drm_connector connector;
- struct drm_encoder encoder;
- struct zx_vga_i2c *ddc;
- struct device *dev;
- void __iomem *mmio;
- struct clk *i2c_wclk;
- struct zx_vga_pwrctrl pwrctrl;
- struct completion complete;
- bool connected;
-};
-
-#define to_zx_vga(x) container_of(x, struct zx_vga, x)
-
-static void zx_vga_encoder_enable(struct drm_encoder *encoder)
-{
- struct zx_vga *vga = to_zx_vga(encoder);
- struct zx_vga_pwrctrl *pwrctrl = &vga->pwrctrl;
-
- /* Set bit to power up VGA DACs */
- regmap_update_bits(pwrctrl->regmap, pwrctrl->reg, pwrctrl->mask,
- pwrctrl->mask);
-
- vou_inf_enable(VOU_VGA, encoder->crtc);
-}
-
-static void zx_vga_encoder_disable(struct drm_encoder *encoder)
-{
- struct zx_vga *vga = to_zx_vga(encoder);
- struct zx_vga_pwrctrl *pwrctrl = &vga->pwrctrl;
-
- vou_inf_disable(VOU_VGA, encoder->crtc);
-
- /* Clear bit to power down VGA DACs */
- regmap_update_bits(pwrctrl->regmap, pwrctrl->reg, pwrctrl->mask, 0);
-}
-
-static const struct drm_encoder_helper_funcs zx_vga_encoder_helper_funcs = {
- .enable = zx_vga_encoder_enable,
- .disable = zx_vga_encoder_disable,
-};
-
-static int zx_vga_connector_get_modes(struct drm_connector *connector)
-{
- struct zx_vga *vga = to_zx_vga(connector);
- struct edid *edid;
- int ret;
-
- /*
- * Clear both detection bits to switch I2C bus from device
- * detecting to EDID reading.
- */
- zx_writel(vga->mmio + VGA_AUTO_DETECT_SEL, 0);
-
- edid = drm_get_edid(connector, &vga->ddc->adap);
- if (!edid) {
- /*
- * If EDID reading fails, we set the device state into
- * disconnected. Locking is not required here, since the
- * VGA_AUTO_DETECT_SEL register write in irq handler cannot
- * be triggered when both detection bits are cleared as above.
- */
- zx_writel(vga->mmio + VGA_AUTO_DETECT_SEL,
- VGA_DETECT_SEL_NO_DEVICE);
- vga->connected = false;
- return 0;
- }
-
- /*
- * As edid reading succeeds, device must be connected, so we set
- * up detection bit for unplug interrupt here.
- */
- zx_writel(vga->mmio + VGA_AUTO_DETECT_SEL, VGA_DETECT_SEL_HAS_DEVICE);
-
- drm_connector_update_edid_property(connector, edid);
- ret = drm_add_edid_modes(connector, edid);
- kfree(edid);
-
- return ret;
-}
-
-static enum drm_mode_status
-zx_vga_connector_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode)
-{
- return MODE_OK;
-}
-
-static struct drm_connector_helper_funcs zx_vga_connector_helper_funcs = {
- .get_modes = zx_vga_connector_get_modes,
- .mode_valid = zx_vga_connector_mode_valid,
-};
-
-static enum drm_connector_status
-zx_vga_connector_detect(struct drm_connector *connector, bool force)
-{
- struct zx_vga *vga = to_zx_vga(connector);
-
- return vga->connected ? connector_status_connected :
- connector_status_disconnected;
-}
-
-static const struct drm_connector_funcs zx_vga_connector_funcs = {
- .fill_modes = drm_helper_probe_single_connector_modes,
- .detect = zx_vga_connector_detect,
- .destroy = drm_connector_cleanup,
- .reset = drm_atomic_helper_connector_reset,
- .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
-};
-
-static int zx_vga_register(struct drm_device *drm, struct zx_vga *vga)
-{
- struct drm_encoder *encoder = &vga->encoder;
- struct drm_connector *connector = &vga->connector;
- struct device *dev = vga->dev;
- int ret;
-
- encoder->possible_crtcs = VOU_CRTC_MASK;
-
- ret = drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_DAC);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to init encoder: %d\n", ret);
- return ret;
- }
-
- drm_encoder_helper_add(encoder, &zx_vga_encoder_helper_funcs);
-
- vga->connector.polled = DRM_CONNECTOR_POLL_HPD;
-
- ret = drm_connector_init_with_ddc(drm, connector,
- &zx_vga_connector_funcs,
- DRM_MODE_CONNECTOR_VGA,
- &vga->ddc->adap);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to init connector: %d\n", ret);
- goto clean_encoder;
- }
-
- drm_connector_helper_add(connector, &zx_vga_connector_helper_funcs);
-
- ret = drm_connector_attach_encoder(connector, encoder);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to attach encoder: %d\n", ret);
- goto clean_connector;
- }
-
- return 0;
-
-clean_connector:
- drm_connector_cleanup(connector);
-clean_encoder:
- drm_encoder_cleanup(encoder);
- return ret;
-}
-
-static int zx_vga_pwrctrl_init(struct zx_vga *vga)
-{
- struct zx_vga_pwrctrl *pwrctrl = &vga->pwrctrl;
- struct device *dev = vga->dev;
- struct of_phandle_args out_args;
- struct regmap *regmap;
- int ret;
-
- ret = of_parse_phandle_with_fixed_args(dev->of_node,
- "zte,vga-power-control", 2, 0, &out_args);
- if (ret)
- return ret;
-
- regmap = syscon_node_to_regmap(out_args.np);
- if (IS_ERR(regmap)) {
- ret = PTR_ERR(regmap);
- goto out;
- }
-
- pwrctrl->regmap = regmap;
- pwrctrl->reg = out_args.args[0];
- pwrctrl->mask = out_args.args[1];
-
-out:
- of_node_put(out_args.np);
- return ret;
-}
-
-static int zx_vga_i2c_read(struct zx_vga *vga, struct i2c_msg *msg)
-{
- int len = msg->len;
- u8 *buf = msg->buf;
- u32 offset = 0;
- int i;
-
- reinit_completion(&vga->complete);
-
- /* Select combo write */
- zx_writel_mask(vga->mmio + VGA_CMD_CFG, VGA_CMD_COMBO, VGA_CMD_COMBO);
- zx_writel_mask(vga->mmio + VGA_CMD_CFG, VGA_CMD_RW, 0);
-
- while (len > 0) {
- u32 cnt;
-
- /* Clear RX FIFO */
- zx_writel_mask(vga->mmio + VGA_RXF_CTRL, VGA_RX_FIFO_CLEAR,
- VGA_RX_FIFO_CLEAR);
-
- /* Data offset to read from */
- zx_writel(vga->mmio + VGA_SUB_ADDR, offset);
-
- /* Kick off the transfer */
- zx_writel_mask(vga->mmio + VGA_CMD_CFG, VGA_CMD_TRANS,
- VGA_CMD_TRANS);
-
- if (!wait_for_completion_timeout(&vga->complete,
- msecs_to_jiffies(1000))) {
- DRM_DEV_ERROR(vga->dev, "transfer timeout\n");
- return -ETIMEDOUT;
- }
-
- cnt = zx_readl(vga->mmio + VGA_RXF_STATUS);
- cnt = (cnt & VGA_RXF_COUNT_MASK) >> VGA_RXF_COUNT_SHIFT;
- /* FIFO status may report more data than we need to read */
- cnt = min_t(u32, len, cnt);
-
- for (i = 0; i < cnt; i++)
- *buf++ = zx_readl(vga->mmio + VGA_DATA);
-
- len -= cnt;
- offset += cnt;
- }
-
- return 0;
-}
-
-static int zx_vga_i2c_write(struct zx_vga *vga, struct i2c_msg *msg)
-{
- /*
- * The DDC I2C adapter is only for reading EDID data, so we assume
- * that the write to this adapter must be the EDID data offset.
- */
- if ((msg->len != 1) || ((msg->addr != DDC_ADDR)))
- return -EINVAL;
-
- /* Hardware will take care of the slave address shifting */
- zx_writel(vga->mmio + VGA_DEVICE_ADDR, msg->addr);
-
- return 0;
-}
-
-static int zx_vga_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
- int num)
-{
- struct zx_vga *vga = i2c_get_adapdata(adap);
- struct zx_vga_i2c *ddc = vga->ddc;
- int ret = 0;
- int i;
-
- mutex_lock(&ddc->lock);
-
- for (i = 0; i < num; i++) {
- if (msgs[i].flags & I2C_M_RD)
- ret = zx_vga_i2c_read(vga, &msgs[i]);
- else
- ret = zx_vga_i2c_write(vga, &msgs[i]);
-
- if (ret < 0)
- break;
- }
-
- if (!ret)
- ret = num;
-
- mutex_unlock(&ddc->lock);
-
- return ret;
-}
-
-static u32 zx_vga_i2c_func(struct i2c_adapter *adapter)
-{
- return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
-}
-
-static const struct i2c_algorithm zx_vga_algorithm = {
- .master_xfer = zx_vga_i2c_xfer,
- .functionality = zx_vga_i2c_func,
-};
-
-static int zx_vga_ddc_register(struct zx_vga *vga)
-{
- struct device *dev = vga->dev;
- struct i2c_adapter *adap;
- struct zx_vga_i2c *ddc;
- int ret;
-
- ddc = devm_kzalloc(dev, sizeof(*ddc), GFP_KERNEL);
- if (!ddc)
- return -ENOMEM;
-
- vga->ddc = ddc;
- mutex_init(&ddc->lock);
-
- adap = &ddc->adap;
- adap->owner = THIS_MODULE;
- adap->class = I2C_CLASS_DDC;
- adap->dev.parent = dev;
- adap->algo = &zx_vga_algorithm;
- snprintf(adap->name, sizeof(adap->name), "zx vga i2c");
-
- ret = i2c_add_adapter(adap);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to add I2C adapter: %d\n", ret);
- return ret;
- }
-
- i2c_set_adapdata(adap, vga);
-
- return 0;
-}
-
-static irqreturn_t zx_vga_irq_thread(int irq, void *dev_id)
-{
- struct zx_vga *vga = dev_id;
-
- drm_helper_hpd_irq_event(vga->connector.dev);
-
- return IRQ_HANDLED;
-}
-
-static irqreturn_t zx_vga_irq_handler(int irq, void *dev_id)
-{
- struct zx_vga *vga = dev_id;
- u32 status;
-
- status = zx_readl(vga->mmio + VGA_I2C_STATUS);
-
- /* Clear interrupt status */
- zx_writel_mask(vga->mmio + VGA_I2C_STATUS, VGA_CLEAR_IRQ,
- VGA_CLEAR_IRQ);
-
- if (status & VGA_DEVICE_CONNECTED) {
- /*
- * Since VGA_DETECT_SEL bits need to be reset for switching DDC
- * bus from device detection to EDID read, rather than setting
- * up HAS_DEVICE bit here, we need to do that in .get_modes
- * hook for unplug detecting after EDID read succeeds.
- */
- vga->connected = true;
- return IRQ_WAKE_THREAD;
- }
-
- if (status & VGA_DEVICE_DISCONNECTED) {
- zx_writel(vga->mmio + VGA_AUTO_DETECT_SEL,
- VGA_DETECT_SEL_NO_DEVICE);
- vga->connected = false;
- return IRQ_WAKE_THREAD;
- }
-
- if (status & VGA_TRANS_DONE) {
- complete(&vga->complete);
- return IRQ_HANDLED;
- }
-
- return IRQ_NONE;
-}
-
-static void zx_vga_hw_init(struct zx_vga *vga)
-{
- unsigned long ref = clk_get_rate(vga->i2c_wclk);
- int div;
-
- /*
- * Set up I2C fast speed divider per formula below to get 400kHz.
- * scl = ref / ((div + 1) * 4)
- */
- div = DIV_ROUND_UP(ref / 1000, 400 * 4) - 1;
- zx_writel(vga->mmio + VGA_CLK_DIV_FS, div);
-
- /* Set up device detection */
- zx_writel(vga->mmio + VGA_AUTO_DETECT_PARA, 0x80);
- zx_writel(vga->mmio + VGA_AUTO_DETECT_SEL, VGA_DETECT_SEL_NO_DEVICE);
-
- /*
- * We need to poke monitor via DDC bus to get connection irq
- * start working.
- */
- zx_writel(vga->mmio + VGA_DEVICE_ADDR, DDC_ADDR);
- zx_writel_mask(vga->mmio + VGA_CMD_CFG, VGA_CMD_TRANS, VGA_CMD_TRANS);
-}
-
-static int zx_vga_bind(struct device *dev, struct device *master, void *data)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct drm_device *drm = data;
- struct resource *res;
- struct zx_vga *vga;
- int irq;
- int ret;
-
- vga = devm_kzalloc(dev, sizeof(*vga), GFP_KERNEL);
- if (!vga)
- return -ENOMEM;
-
- vga->dev = dev;
- dev_set_drvdata(dev, vga);
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- vga->mmio = devm_ioremap_resource(dev, res);
- if (IS_ERR(vga->mmio))
- return PTR_ERR(vga->mmio);
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
-
- vga->i2c_wclk = devm_clk_get(dev, "i2c_wclk");
- if (IS_ERR(vga->i2c_wclk)) {
- ret = PTR_ERR(vga->i2c_wclk);
- DRM_DEV_ERROR(dev, "failed to get i2c_wclk: %d\n", ret);
- return ret;
- }
-
- ret = zx_vga_pwrctrl_init(vga);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to init power control: %d\n", ret);
- return ret;
- }
-
- ret = zx_vga_ddc_register(vga);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to register ddc: %d\n", ret);
- return ret;
- }
-
- ret = zx_vga_register(drm, vga);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to register vga: %d\n", ret);
- return ret;
- }
-
- init_completion(&vga->complete);
-
- ret = devm_request_threaded_irq(dev, irq, zx_vga_irq_handler,
- zx_vga_irq_thread, IRQF_SHARED,
- dev_name(dev), vga);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to request threaded irq: %d\n", ret);
- return ret;
- }
-
- ret = clk_prepare_enable(vga->i2c_wclk);
- if (ret)
- return ret;
-
- zx_vga_hw_init(vga);
-
- return 0;
-}
-
-static void zx_vga_unbind(struct device *dev, struct device *master,
- void *data)
-{
- struct zx_vga *vga = dev_get_drvdata(dev);
-
- clk_disable_unprepare(vga->i2c_wclk);
-}
-
-static const struct component_ops zx_vga_component_ops = {
- .bind = zx_vga_bind,
- .unbind = zx_vga_unbind,
-};
-
-static int zx_vga_probe(struct platform_device *pdev)
-{
- return component_add(&pdev->dev, &zx_vga_component_ops);
-}
-
-static int zx_vga_remove(struct platform_device *pdev)
-{
- component_del(&pdev->dev, &zx_vga_component_ops);
- return 0;
-}
-
-static const struct of_device_id zx_vga_of_match[] = {
- { .compatible = "zte,zx296718-vga", },
- { /* end */ },
-};
-MODULE_DEVICE_TABLE(of, zx_vga_of_match);
-
-struct platform_driver zx_vga_driver = {
- .probe = zx_vga_probe,
- .remove = zx_vga_remove,
- .driver = {
- .name = "zx-vga",
- .of_match_table = zx_vga_of_match,
- },
-};
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2017 Sanechips Technology Co., Ltd.
- * Copyright 2017 Linaro Ltd.
- */
-
-#ifndef __ZX_VGA_REGS_H__
-#define __ZX_VGA_REGS_H__
-
-#define VGA_CMD_CFG 0x04
-#define VGA_CMD_TRANS BIT(6)
-#define VGA_CMD_COMBO BIT(5)
-#define VGA_CMD_RW BIT(4)
-#define VGA_SUB_ADDR 0x0c
-#define VGA_DEVICE_ADDR 0x10
-#define VGA_CLK_DIV_FS 0x14
-#define VGA_RXF_CTRL 0x20
-#define VGA_RX_FIFO_CLEAR BIT(7)
-#define VGA_DATA 0x24
-#define VGA_I2C_STATUS 0x28
-#define VGA_DEVICE_DISCONNECTED BIT(7)
-#define VGA_DEVICE_CONNECTED BIT(6)
-#define VGA_CLEAR_IRQ BIT(4)
-#define VGA_TRANS_DONE BIT(0)
-#define VGA_RXF_STATUS 0x30
-#define VGA_RXF_COUNT_SHIFT 2
-#define VGA_RXF_COUNT_MASK GENMASK(7, 2)
-#define VGA_AUTO_DETECT_PARA 0x34
-#define VGA_AUTO_DETECT_SEL 0x38
-#define VGA_DETECT_SEL_HAS_DEVICE BIT(1)
-#define VGA_DETECT_SEL_NO_DEVICE BIT(0)
-
-#endif /* __ZX_VGA_REGS_H__ */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright 2016 Linaro Ltd.
- * Copyright 2016 ZTE Corporation.
- */
-
-#include <linux/clk.h>
-#include <linux/component.h>
-#include <linux/module.h>
-#include <linux/of_address.h>
-#include <linux/platform_device.h>
-
-#include <video/videomode.h>
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_of.h>
-#include <drm/drm_plane_helper.h>
-#include <drm/drm_probe_helper.h>
-#include <drm/drm_vblank.h>
-
-#include "zx_common_regs.h"
-#include "zx_drm_drv.h"
-#include "zx_plane.h"
-#include "zx_vou.h"
-#include "zx_vou_regs.h"
-
-#define GL_NUM 2
-#define VL_NUM 3
-
-enum vou_chn_type {
- VOU_CHN_MAIN,
- VOU_CHN_AUX,
-};
-
-struct zx_crtc_regs {
- u32 fir_active;
- u32 fir_htiming;
- u32 fir_vtiming;
- u32 sec_vtiming;
- u32 timing_shift;
- u32 timing_pi_shift;
-};
-
-static const struct zx_crtc_regs main_crtc_regs = {
- .fir_active = FIR_MAIN_ACTIVE,
- .fir_htiming = FIR_MAIN_H_TIMING,
- .fir_vtiming = FIR_MAIN_V_TIMING,
- .sec_vtiming = SEC_MAIN_V_TIMING,
- .timing_shift = TIMING_MAIN_SHIFT,
- .timing_pi_shift = TIMING_MAIN_PI_SHIFT,
-};
-
-static const struct zx_crtc_regs aux_crtc_regs = {
- .fir_active = FIR_AUX_ACTIVE,
- .fir_htiming = FIR_AUX_H_TIMING,
- .fir_vtiming = FIR_AUX_V_TIMING,
- .sec_vtiming = SEC_AUX_V_TIMING,
- .timing_shift = TIMING_AUX_SHIFT,
- .timing_pi_shift = TIMING_AUX_PI_SHIFT,
-};
-
-struct zx_crtc_bits {
- u32 polarity_mask;
- u32 polarity_shift;
- u32 int_frame_mask;
- u32 tc_enable;
- u32 sec_vactive_shift;
- u32 sec_vactive_mask;
- u32 interlace_select;
- u32 pi_enable;
- u32 div_vga_shift;
- u32 div_pic_shift;
- u32 div_tvenc_shift;
- u32 div_hdmi_pnx_shift;
- u32 div_hdmi_shift;
- u32 div_inf_shift;
- u32 div_layer_shift;
-};
-
-static const struct zx_crtc_bits main_crtc_bits = {
- .polarity_mask = MAIN_POL_MASK,
- .polarity_shift = MAIN_POL_SHIFT,
- .int_frame_mask = TIMING_INT_MAIN_FRAME,
- .tc_enable = MAIN_TC_EN,
- .sec_vactive_shift = SEC_VACT_MAIN_SHIFT,
- .sec_vactive_mask = SEC_VACT_MAIN_MASK,
- .interlace_select = MAIN_INTERLACE_SEL,
- .pi_enable = MAIN_PI_EN,
- .div_vga_shift = VGA_MAIN_DIV_SHIFT,
- .div_pic_shift = PIC_MAIN_DIV_SHIFT,
- .div_tvenc_shift = TVENC_MAIN_DIV_SHIFT,
- .div_hdmi_pnx_shift = HDMI_MAIN_PNX_DIV_SHIFT,
- .div_hdmi_shift = HDMI_MAIN_DIV_SHIFT,
- .div_inf_shift = INF_MAIN_DIV_SHIFT,
- .div_layer_shift = LAYER_MAIN_DIV_SHIFT,
-};
-
-static const struct zx_crtc_bits aux_crtc_bits = {
- .polarity_mask = AUX_POL_MASK,
- .polarity_shift = AUX_POL_SHIFT,
- .int_frame_mask = TIMING_INT_AUX_FRAME,
- .tc_enable = AUX_TC_EN,
- .sec_vactive_shift = SEC_VACT_AUX_SHIFT,
- .sec_vactive_mask = SEC_VACT_AUX_MASK,
- .interlace_select = AUX_INTERLACE_SEL,
- .pi_enable = AUX_PI_EN,
- .div_vga_shift = VGA_AUX_DIV_SHIFT,
- .div_pic_shift = PIC_AUX_DIV_SHIFT,
- .div_tvenc_shift = TVENC_AUX_DIV_SHIFT,
- .div_hdmi_pnx_shift = HDMI_AUX_PNX_DIV_SHIFT,
- .div_hdmi_shift = HDMI_AUX_DIV_SHIFT,
- .div_inf_shift = INF_AUX_DIV_SHIFT,
- .div_layer_shift = LAYER_AUX_DIV_SHIFT,
-};
-
-struct zx_crtc {
- struct drm_crtc crtc;
- struct drm_plane *primary;
- struct zx_vou_hw *vou;
- void __iomem *chnreg;
- void __iomem *chncsc;
- void __iomem *dither;
- const struct zx_crtc_regs *regs;
- const struct zx_crtc_bits *bits;
- enum vou_chn_type chn_type;
- struct clk *pixclk;
-};
-
-#define to_zx_crtc(x) container_of(x, struct zx_crtc, crtc)
-
-struct vou_layer_bits {
- u32 enable;
- u32 chnsel;
- u32 clksel;
-};
-
-static const struct vou_layer_bits zx_gl_bits[GL_NUM] = {
- {
- .enable = OSD_CTRL0_GL0_EN,
- .chnsel = OSD_CTRL0_GL0_SEL,
- .clksel = VOU_CLK_GL0_SEL,
- }, {
- .enable = OSD_CTRL0_GL1_EN,
- .chnsel = OSD_CTRL0_GL1_SEL,
- .clksel = VOU_CLK_GL1_SEL,
- },
-};
-
-static const struct vou_layer_bits zx_vl_bits[VL_NUM] = {
- {
- .enable = OSD_CTRL0_VL0_EN,
- .chnsel = OSD_CTRL0_VL0_SEL,
- .clksel = VOU_CLK_VL0_SEL,
- }, {
- .enable = OSD_CTRL0_VL1_EN,
- .chnsel = OSD_CTRL0_VL1_SEL,
- .clksel = VOU_CLK_VL1_SEL,
- }, {
- .enable = OSD_CTRL0_VL2_EN,
- .chnsel = OSD_CTRL0_VL2_SEL,
- .clksel = VOU_CLK_VL2_SEL,
- },
-};
-
-struct zx_vou_hw {
- struct device *dev;
- void __iomem *osd;
- void __iomem *timing;
- void __iomem *vouctl;
- void __iomem *otfppu;
- void __iomem *dtrc;
- struct clk *axi_clk;
- struct clk *ppu_clk;
- struct clk *main_clk;
- struct clk *aux_clk;
- struct zx_crtc *main_crtc;
- struct zx_crtc *aux_crtc;
-};
-
-enum vou_inf_data_sel {
- VOU_YUV444 = 0,
- VOU_RGB_101010 = 1,
- VOU_RGB_888 = 2,
- VOU_RGB_666 = 3,
-};
-
-struct vou_inf {
- enum vou_inf_id id;
- enum vou_inf_data_sel data_sel;
- u32 clocks_en_bits;
- u32 clocks_sel_bits;
-};
-
-static struct vou_inf vou_infs[] = {
- [VOU_HDMI] = {
- .data_sel = VOU_YUV444,
- .clocks_en_bits = BIT(24) | BIT(18) | BIT(6),
- .clocks_sel_bits = BIT(13) | BIT(2),
- },
- [VOU_TV_ENC] = {
- .data_sel = VOU_YUV444,
- .clocks_en_bits = BIT(15),
- .clocks_sel_bits = BIT(11) | BIT(0),
- },
- [VOU_VGA] = {
- .data_sel = VOU_RGB_888,
- .clocks_en_bits = BIT(1),
- .clocks_sel_bits = BIT(10),
- },
-};
-
-static inline struct zx_vou_hw *crtc_to_vou(struct drm_crtc *crtc)
-{
- struct zx_crtc *zcrtc = to_zx_crtc(crtc);
-
- return zcrtc->vou;
-}
-
-void vou_inf_hdmi_audio_sel(struct drm_crtc *crtc,
- enum vou_inf_hdmi_audio aud)
-{
- struct zx_crtc *zcrtc = to_zx_crtc(crtc);
- struct zx_vou_hw *vou = zcrtc->vou;
-
- zx_writel_mask(vou->vouctl + VOU_INF_HDMI_CTRL, VOU_HDMI_AUD_MASK, aud);
-}
-
-void vou_inf_enable(enum vou_inf_id id, struct drm_crtc *crtc)
-{
- struct zx_crtc *zcrtc = to_zx_crtc(crtc);
- struct zx_vou_hw *vou = zcrtc->vou;
- struct vou_inf *inf = &vou_infs[id];
- void __iomem *dither = zcrtc->dither;
- void __iomem *csc = zcrtc->chncsc;
- bool is_main = zcrtc->chn_type == VOU_CHN_MAIN;
- u32 data_sel_shift = id << 1;
-
- if (inf->data_sel != VOU_YUV444) {
- /* Enable channel CSC for RGB output */
- zx_writel_mask(csc + CSC_CTRL0, CSC_COV_MODE_MASK,
- CSC_BT709_IMAGE_YCBCR2RGB << CSC_COV_MODE_SHIFT);
- zx_writel_mask(csc + CSC_CTRL0, CSC_WORK_ENABLE,
- CSC_WORK_ENABLE);
-
- /* Bypass Dither block for RGB output */
- zx_writel_mask(dither + OSD_DITHER_CTRL0, DITHER_BYSPASS,
- DITHER_BYSPASS);
- } else {
- zx_writel_mask(csc + CSC_CTRL0, CSC_WORK_ENABLE, 0);
- zx_writel_mask(dither + OSD_DITHER_CTRL0, DITHER_BYSPASS, 0);
- }
-
- /* Select data format */
- zx_writel_mask(vou->vouctl + VOU_INF_DATA_SEL, 0x3 << data_sel_shift,
- inf->data_sel << data_sel_shift);
-
- /* Select channel */
- zx_writel_mask(vou->vouctl + VOU_INF_CH_SEL, 0x1 << id,
- zcrtc->chn_type << id);
-
- /* Select interface clocks */
- zx_writel_mask(vou->vouctl + VOU_CLK_SEL, inf->clocks_sel_bits,
- is_main ? 0 : inf->clocks_sel_bits);
-
- /* Enable interface clocks */
- zx_writel_mask(vou->vouctl + VOU_CLK_EN, inf->clocks_en_bits,
- inf->clocks_en_bits);
-
- /* Enable the device */
- zx_writel_mask(vou->vouctl + VOU_INF_EN, 1 << id, 1 << id);
-}
-
-void vou_inf_disable(enum vou_inf_id id, struct drm_crtc *crtc)
-{
- struct zx_vou_hw *vou = crtc_to_vou(crtc);
- struct vou_inf *inf = &vou_infs[id];
-
- /* Disable the device */
- zx_writel_mask(vou->vouctl + VOU_INF_EN, 1 << id, 0);
-
- /* Disable interface clocks */
- zx_writel_mask(vou->vouctl + VOU_CLK_EN, inf->clocks_en_bits, 0);
-}
-
-void zx_vou_config_dividers(struct drm_crtc *crtc,
- struct vou_div_config *configs, int num)
-{
- struct zx_crtc *zcrtc = to_zx_crtc(crtc);
- struct zx_vou_hw *vou = zcrtc->vou;
- const struct zx_crtc_bits *bits = zcrtc->bits;
- int i;
-
- /* Clear update flag bit */
- zx_writel_mask(vou->vouctl + VOU_DIV_PARA, DIV_PARA_UPDATE, 0);
-
- for (i = 0; i < num; i++) {
- struct vou_div_config *cfg = configs + i;
- u32 reg, shift;
-
- switch (cfg->id) {
- case VOU_DIV_VGA:
- reg = VOU_CLK_SEL;
- shift = bits->div_vga_shift;
- break;
- case VOU_DIV_PIC:
- reg = VOU_CLK_SEL;
- shift = bits->div_pic_shift;
- break;
- case VOU_DIV_TVENC:
- reg = VOU_DIV_PARA;
- shift = bits->div_tvenc_shift;
- break;
- case VOU_DIV_HDMI_PNX:
- reg = VOU_DIV_PARA;
- shift = bits->div_hdmi_pnx_shift;
- break;
- case VOU_DIV_HDMI:
- reg = VOU_DIV_PARA;
- shift = bits->div_hdmi_shift;
- break;
- case VOU_DIV_INF:
- reg = VOU_DIV_PARA;
- shift = bits->div_inf_shift;
- break;
- case VOU_DIV_LAYER:
- reg = VOU_DIV_PARA;
- shift = bits->div_layer_shift;
- break;
- default:
- continue;
- }
-
- /* Each divider occupies 3 bits */
- zx_writel_mask(vou->vouctl + reg, 0x7 << shift,
- cfg->val << shift);
- }
-
- /* Set update flag bit to get dividers effected */
- zx_writel_mask(vou->vouctl + VOU_DIV_PARA, DIV_PARA_UPDATE,
- DIV_PARA_UPDATE);
-}
-
-static inline void vou_chn_set_update(struct zx_crtc *zcrtc)
-{
- zx_writel(zcrtc->chnreg + CHN_UPDATE, 1);
-}
-
-static void zx_crtc_atomic_enable(struct drm_crtc *crtc,
- struct drm_atomic_state *state)
-{
- struct drm_display_mode *mode = &crtc->state->adjusted_mode;
- bool interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
- struct zx_crtc *zcrtc = to_zx_crtc(crtc);
- struct zx_vou_hw *vou = zcrtc->vou;
- const struct zx_crtc_regs *regs = zcrtc->regs;
- const struct zx_crtc_bits *bits = zcrtc->bits;
- struct videomode vm;
- u32 scan_mask;
- u32 pol = 0;
- u32 val;
- int ret;
-
- drm_display_mode_to_videomode(mode, &vm);
-
- /* Set up timing parameters */
- val = V_ACTIVE((interlaced ? vm.vactive / 2 : vm.vactive) - 1);
- val |= H_ACTIVE(vm.hactive - 1);
- zx_writel(vou->timing + regs->fir_active, val);
-
- val = SYNC_WIDE(vm.hsync_len - 1);
- val |= BACK_PORCH(vm.hback_porch - 1);
- val |= FRONT_PORCH(vm.hfront_porch - 1);
- zx_writel(vou->timing + regs->fir_htiming, val);
-
- val = SYNC_WIDE(vm.vsync_len - 1);
- val |= BACK_PORCH(vm.vback_porch - 1);
- val |= FRONT_PORCH(vm.vfront_porch - 1);
- zx_writel(vou->timing + regs->fir_vtiming, val);
-
- if (interlaced) {
- u32 shift = bits->sec_vactive_shift;
- u32 mask = bits->sec_vactive_mask;
-
- val = zx_readl(vou->timing + SEC_V_ACTIVE);
- val &= ~mask;
- val |= ((vm.vactive / 2 - 1) << shift) & mask;
- zx_writel(vou->timing + SEC_V_ACTIVE, val);
-
- val = SYNC_WIDE(vm.vsync_len - 1);
- /*
- * The vback_porch for the second field needs to shift one on
- * the value for the first field.
- */
- val |= BACK_PORCH(vm.vback_porch);
- val |= FRONT_PORCH(vm.vfront_porch - 1);
- zx_writel(vou->timing + regs->sec_vtiming, val);
- }
-
- /* Set up polarities */
- if (vm.flags & DISPLAY_FLAGS_VSYNC_LOW)
- pol |= 1 << POL_VSYNC_SHIFT;
- if (vm.flags & DISPLAY_FLAGS_HSYNC_LOW)
- pol |= 1 << POL_HSYNC_SHIFT;
-
- zx_writel_mask(vou->timing + TIMING_CTRL, bits->polarity_mask,
- pol << bits->polarity_shift);
-
- /* Setup SHIFT register by following what ZTE BSP does */
- val = H_SHIFT_VAL;
- if (interlaced)
- val |= V_SHIFT_VAL << 16;
- zx_writel(vou->timing + regs->timing_shift, val);
- zx_writel(vou->timing + regs->timing_pi_shift, H_PI_SHIFT_VAL);
-
- /* Progressive or interlace scan select */
- scan_mask = bits->interlace_select | bits->pi_enable;
- zx_writel_mask(vou->timing + SCAN_CTRL, scan_mask,
- interlaced ? scan_mask : 0);
-
- /* Enable TIMING_CTRL */
- zx_writel_mask(vou->timing + TIMING_TC_ENABLE, bits->tc_enable,
- bits->tc_enable);
-
- /* Configure channel screen size */
- zx_writel_mask(zcrtc->chnreg + CHN_CTRL1, CHN_SCREEN_W_MASK,
- vm.hactive << CHN_SCREEN_W_SHIFT);
- zx_writel_mask(zcrtc->chnreg + CHN_CTRL1, CHN_SCREEN_H_MASK,
- vm.vactive << CHN_SCREEN_H_SHIFT);
-
- /* Configure channel interlace buffer control */
- zx_writel_mask(zcrtc->chnreg + CHN_INTERLACE_BUF_CTRL, CHN_INTERLACE_EN,
- interlaced ? CHN_INTERLACE_EN : 0);
-
- /* Update channel */
- vou_chn_set_update(zcrtc);
-
- /* Enable channel */
- zx_writel_mask(zcrtc->chnreg + CHN_CTRL0, CHN_ENABLE, CHN_ENABLE);
-
- drm_crtc_vblank_on(crtc);
-
- ret = clk_set_rate(zcrtc->pixclk, mode->clock * 1000);
- if (ret) {
- DRM_DEV_ERROR(vou->dev, "failed to set pixclk rate: %d\n", ret);
- return;
- }
-
- ret = clk_prepare_enable(zcrtc->pixclk);
- if (ret)
- DRM_DEV_ERROR(vou->dev, "failed to enable pixclk: %d\n", ret);
-}
-
-static void zx_crtc_atomic_disable(struct drm_crtc *crtc,
- struct drm_atomic_state *state)
-{
- struct zx_crtc *zcrtc = to_zx_crtc(crtc);
- const struct zx_crtc_bits *bits = zcrtc->bits;
- struct zx_vou_hw *vou = zcrtc->vou;
-
- clk_disable_unprepare(zcrtc->pixclk);
-
- drm_crtc_vblank_off(crtc);
-
- /* Disable channel */
- zx_writel_mask(zcrtc->chnreg + CHN_CTRL0, CHN_ENABLE, 0);
-
- /* Disable TIMING_CTRL */
- zx_writel_mask(vou->timing + TIMING_TC_ENABLE, bits->tc_enable, 0);
-}
-
-static void zx_crtc_atomic_flush(struct drm_crtc *crtc,
- struct drm_atomic_state *state)
-{
- struct drm_pending_vblank_event *event = crtc->state->event;
-
- if (!event)
- return;
-
- crtc->state->event = NULL;
-
- spin_lock_irq(&crtc->dev->event_lock);
- if (drm_crtc_vblank_get(crtc) == 0)
- drm_crtc_arm_vblank_event(crtc, event);
- else
- drm_crtc_send_vblank_event(crtc, event);
- spin_unlock_irq(&crtc->dev->event_lock);
-}
-
-static const struct drm_crtc_helper_funcs zx_crtc_helper_funcs = {
- .atomic_flush = zx_crtc_atomic_flush,
- .atomic_enable = zx_crtc_atomic_enable,
- .atomic_disable = zx_crtc_atomic_disable,
-};
-
-static int zx_vou_enable_vblank(struct drm_crtc *crtc)
-{
- struct zx_crtc *zcrtc = to_zx_crtc(crtc);
- struct zx_vou_hw *vou = crtc_to_vou(crtc);
- u32 int_frame_mask = zcrtc->bits->int_frame_mask;
-
- zx_writel_mask(vou->timing + TIMING_INT_CTRL, int_frame_mask,
- int_frame_mask);
-
- return 0;
-}
-
-static void zx_vou_disable_vblank(struct drm_crtc *crtc)
-{
- struct zx_crtc *zcrtc = to_zx_crtc(crtc);
- struct zx_vou_hw *vou = crtc_to_vou(crtc);
-
- zx_writel_mask(vou->timing + TIMING_INT_CTRL,
- zcrtc->bits->int_frame_mask, 0);
-}
-
-static const struct drm_crtc_funcs zx_crtc_funcs = {
- .destroy = drm_crtc_cleanup,
- .set_config = drm_atomic_helper_set_config,
- .page_flip = drm_atomic_helper_page_flip,
- .reset = drm_atomic_helper_crtc_reset,
- .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
- .enable_vblank = zx_vou_enable_vblank,
- .disable_vblank = zx_vou_disable_vblank,
-};
-
-static int zx_crtc_init(struct drm_device *drm, struct zx_vou_hw *vou,
- enum vou_chn_type chn_type)
-{
- struct device *dev = vou->dev;
- struct zx_plane *zplane;
- struct zx_crtc *zcrtc;
- int ret;
-
- zcrtc = devm_kzalloc(dev, sizeof(*zcrtc), GFP_KERNEL);
- if (!zcrtc)
- return -ENOMEM;
-
- zcrtc->vou = vou;
- zcrtc->chn_type = chn_type;
-
- zplane = devm_kzalloc(dev, sizeof(*zplane), GFP_KERNEL);
- if (!zplane)
- return -ENOMEM;
-
- zplane->dev = dev;
-
- if (chn_type == VOU_CHN_MAIN) {
- zplane->layer = vou->osd + MAIN_GL_OFFSET;
- zplane->csc = vou->osd + MAIN_GL_CSC_OFFSET;
- zplane->hbsc = vou->osd + MAIN_HBSC_OFFSET;
- zplane->rsz = vou->otfppu + MAIN_RSZ_OFFSET;
- zplane->bits = &zx_gl_bits[0];
- zcrtc->chnreg = vou->osd + OSD_MAIN_CHN;
- zcrtc->chncsc = vou->osd + MAIN_CHN_CSC_OFFSET;
- zcrtc->dither = vou->osd + MAIN_DITHER_OFFSET;
- zcrtc->regs = &main_crtc_regs;
- zcrtc->bits = &main_crtc_bits;
- } else {
- zplane->layer = vou->osd + AUX_GL_OFFSET;
- zplane->csc = vou->osd + AUX_GL_CSC_OFFSET;
- zplane->hbsc = vou->osd + AUX_HBSC_OFFSET;
- zplane->rsz = vou->otfppu + AUX_RSZ_OFFSET;
- zplane->bits = &zx_gl_bits[1];
- zcrtc->chnreg = vou->osd + OSD_AUX_CHN;
- zcrtc->chncsc = vou->osd + AUX_CHN_CSC_OFFSET;
- zcrtc->dither = vou->osd + AUX_DITHER_OFFSET;
- zcrtc->regs = &aux_crtc_regs;
- zcrtc->bits = &aux_crtc_bits;
- }
-
- zcrtc->pixclk = devm_clk_get(dev, (chn_type == VOU_CHN_MAIN) ?
- "main_wclk" : "aux_wclk");
- if (IS_ERR(zcrtc->pixclk)) {
- ret = PTR_ERR(zcrtc->pixclk);
- DRM_DEV_ERROR(dev, "failed to get pix clk: %d\n", ret);
- return ret;
- }
-
- ret = zx_plane_init(drm, zplane, DRM_PLANE_TYPE_PRIMARY);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to init primary plane: %d\n", ret);
- return ret;
- }
-
- zcrtc->primary = &zplane->plane;
-
- ret = drm_crtc_init_with_planes(drm, &zcrtc->crtc, zcrtc->primary, NULL,
- &zx_crtc_funcs, NULL);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to init drm crtc: %d\n", ret);
- return ret;
- }
-
- drm_crtc_helper_add(&zcrtc->crtc, &zx_crtc_helper_funcs);
-
- if (chn_type == VOU_CHN_MAIN)
- vou->main_crtc = zcrtc;
- else
- vou->aux_crtc = zcrtc;
-
- return 0;
-}
-
-void zx_vou_layer_enable(struct drm_plane *plane)
-{
- struct zx_crtc *zcrtc = to_zx_crtc(plane->state->crtc);
- struct zx_vou_hw *vou = zcrtc->vou;
- struct zx_plane *zplane = to_zx_plane(plane);
- const struct vou_layer_bits *bits = zplane->bits;
-
- if (zcrtc->chn_type == VOU_CHN_MAIN) {
- zx_writel_mask(vou->osd + OSD_CTRL0, bits->chnsel, 0);
- zx_writel_mask(vou->vouctl + VOU_CLK_SEL, bits->clksel, 0);
- } else {
- zx_writel_mask(vou->osd + OSD_CTRL0, bits->chnsel,
- bits->chnsel);
- zx_writel_mask(vou->vouctl + VOU_CLK_SEL, bits->clksel,
- bits->clksel);
- }
-
- zx_writel_mask(vou->osd + OSD_CTRL0, bits->enable, bits->enable);
-}
-
-void zx_vou_layer_disable(struct drm_plane *plane,
- struct drm_plane_state *old_state)
-{
- struct zx_crtc *zcrtc = to_zx_crtc(old_state->crtc);
- struct zx_vou_hw *vou = zcrtc->vou;
- struct zx_plane *zplane = to_zx_plane(plane);
- const struct vou_layer_bits *bits = zplane->bits;
-
- zx_writel_mask(vou->osd + OSD_CTRL0, bits->enable, 0);
-}
-
-static void zx_overlay_init(struct drm_device *drm, struct zx_vou_hw *vou)
-{
- struct device *dev = vou->dev;
- struct zx_plane *zplane;
- int i;
- int ret;
-
- /*
- * VL0 has some quirks on scaling support which need special handling.
- * Let's leave it out for now.
- */
- for (i = 1; i < VL_NUM; i++) {
- zplane = devm_kzalloc(dev, sizeof(*zplane), GFP_KERNEL);
- if (!zplane) {
- DRM_DEV_ERROR(dev, "failed to allocate zplane %d\n", i);
- return;
- }
-
- zplane->layer = vou->osd + OSD_VL_OFFSET(i);
- zplane->hbsc = vou->osd + HBSC_VL_OFFSET(i);
- zplane->rsz = vou->otfppu + RSZ_VL_OFFSET(i);
- zplane->bits = &zx_vl_bits[i];
-
- ret = zx_plane_init(drm, zplane, DRM_PLANE_TYPE_OVERLAY);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to init overlay %d\n", i);
- continue;
- }
- }
-}
-
-static inline void zx_osd_int_update(struct zx_crtc *zcrtc)
-{
- struct drm_crtc *crtc = &zcrtc->crtc;
- struct drm_plane *plane;
-
- vou_chn_set_update(zcrtc);
-
- drm_for_each_plane_mask(plane, crtc->dev, crtc->state->plane_mask)
- zx_plane_set_update(plane);
-}
-
-static irqreturn_t vou_irq_handler(int irq, void *dev_id)
-{
- struct zx_vou_hw *vou = dev_id;
- u32 state;
-
- /* Handle TIMING_CTRL frame interrupts */
- state = zx_readl(vou->timing + TIMING_INT_STATE);
- zx_writel(vou->timing + TIMING_INT_STATE, state);
-
- if (state & TIMING_INT_MAIN_FRAME)
- drm_crtc_handle_vblank(&vou->main_crtc->crtc);
-
- if (state & TIMING_INT_AUX_FRAME)
- drm_crtc_handle_vblank(&vou->aux_crtc->crtc);
-
- /* Handle OSD interrupts */
- state = zx_readl(vou->osd + OSD_INT_STA);
- zx_writel(vou->osd + OSD_INT_CLRSTA, state);
-
- if (state & OSD_INT_MAIN_UPT)
- zx_osd_int_update(vou->main_crtc);
-
- if (state & OSD_INT_AUX_UPT)
- zx_osd_int_update(vou->aux_crtc);
-
- if (state & OSD_INT_ERROR)
- DRM_DEV_ERROR(vou->dev, "OSD ERROR: 0x%08x!\n", state);
-
- return IRQ_HANDLED;
-}
-
-static void vou_dtrc_init(struct zx_vou_hw *vou)
-{
- /* Clear bit for bypass by ID */
- zx_writel_mask(vou->dtrc + DTRC_DETILE_CTRL,
- TILE2RASTESCAN_BYPASS_MODE, 0);
-
- /* Select ARIDR mode */
- zx_writel_mask(vou->dtrc + DTRC_DETILE_CTRL, DETILE_ARIDR_MODE_MASK,
- DETILE_ARID_IN_ARIDR);
-
- /* Bypass decompression for both frames */
- zx_writel_mask(vou->dtrc + DTRC_F0_CTRL, DTRC_DECOMPRESS_BYPASS,
- DTRC_DECOMPRESS_BYPASS);
- zx_writel_mask(vou->dtrc + DTRC_F1_CTRL, DTRC_DECOMPRESS_BYPASS,
- DTRC_DECOMPRESS_BYPASS);
-
- /* Set up ARID register */
- zx_writel(vou->dtrc + DTRC_ARID, DTRC_ARID3(0xf) | DTRC_ARID2(0xe) |
- DTRC_ARID1(0xf) | DTRC_ARID0(0xe));
-}
-
-static void vou_hw_init(struct zx_vou_hw *vou)
-{
- /* Release reset for all VOU modules */
- zx_writel(vou->vouctl + VOU_SOFT_RST, ~0);
-
- /* Enable all VOU module clocks */
- zx_writel(vou->vouctl + VOU_CLK_EN, ~0);
-
- /* Clear both OSD and TIMING_CTRL interrupt state */
- zx_writel(vou->osd + OSD_INT_CLRSTA, ~0);
- zx_writel(vou->timing + TIMING_INT_STATE, ~0);
-
- /* Enable OSD and TIMING_CTRL interrrupts */
- zx_writel(vou->osd + OSD_INT_MSK, OSD_INT_ENABLE);
- zx_writel(vou->timing + TIMING_INT_CTRL, TIMING_INT_ENABLE);
-
- /* Select GPC as input to gl/vl scaler as a sane default setting */
- zx_writel(vou->otfppu + OTFPPU_RSZ_DATA_SOURCE, 0x2a);
-
- /*
- * Needs to reset channel and layer logic per frame when frame starts
- * to get VOU work properly.
- */
- zx_writel_mask(vou->osd + OSD_RST_CLR, RST_PER_FRAME, RST_PER_FRAME);
-
- vou_dtrc_init(vou);
-}
-
-static int zx_crtc_bind(struct device *dev, struct device *master, void *data)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct drm_device *drm = data;
- struct zx_vou_hw *vou;
- struct resource *res;
- int irq;
- int ret;
-
- vou = devm_kzalloc(dev, sizeof(*vou), GFP_KERNEL);
- if (!vou)
- return -ENOMEM;
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "osd");
- vou->osd = devm_ioremap_resource(dev, res);
- if (IS_ERR(vou->osd)) {
- ret = PTR_ERR(vou->osd);
- DRM_DEV_ERROR(dev, "failed to remap osd region: %d\n", ret);
- return ret;
- }
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "timing_ctrl");
- vou->timing = devm_ioremap_resource(dev, res);
- if (IS_ERR(vou->timing)) {
- ret = PTR_ERR(vou->timing);
- DRM_DEV_ERROR(dev, "failed to remap timing_ctrl region: %d\n",
- ret);
- return ret;
- }
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dtrc");
- vou->dtrc = devm_ioremap_resource(dev, res);
- if (IS_ERR(vou->dtrc)) {
- ret = PTR_ERR(vou->dtrc);
- DRM_DEV_ERROR(dev, "failed to remap dtrc region: %d\n", ret);
- return ret;
- }
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vou_ctrl");
- vou->vouctl = devm_ioremap_resource(dev, res);
- if (IS_ERR(vou->vouctl)) {
- ret = PTR_ERR(vou->vouctl);
- DRM_DEV_ERROR(dev, "failed to remap vou_ctrl region: %d\n",
- ret);
- return ret;
- }
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "otfppu");
- vou->otfppu = devm_ioremap_resource(dev, res);
- if (IS_ERR(vou->otfppu)) {
- ret = PTR_ERR(vou->otfppu);
- DRM_DEV_ERROR(dev, "failed to remap otfppu region: %d\n", ret);
- return ret;
- }
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
-
- vou->axi_clk = devm_clk_get(dev, "aclk");
- if (IS_ERR(vou->axi_clk)) {
- ret = PTR_ERR(vou->axi_clk);
- DRM_DEV_ERROR(dev, "failed to get axi_clk: %d\n", ret);
- return ret;
- }
-
- vou->ppu_clk = devm_clk_get(dev, "ppu_wclk");
- if (IS_ERR(vou->ppu_clk)) {
- ret = PTR_ERR(vou->ppu_clk);
- DRM_DEV_ERROR(dev, "failed to get ppu_clk: %d\n", ret);
- return ret;
- }
-
- ret = clk_prepare_enable(vou->axi_clk);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to enable axi_clk: %d\n", ret);
- return ret;
- }
-
- clk_prepare_enable(vou->ppu_clk);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to enable ppu_clk: %d\n", ret);
- goto disable_axi_clk;
- }
-
- vou->dev = dev;
- dev_set_drvdata(dev, vou);
-
- vou_hw_init(vou);
-
- ret = devm_request_irq(dev, irq, vou_irq_handler, 0, "zx_vou", vou);
- if (ret < 0) {
- DRM_DEV_ERROR(dev, "failed to request vou irq: %d\n", ret);
- goto disable_ppu_clk;
- }
-
- ret = zx_crtc_init(drm, vou, VOU_CHN_MAIN);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to init main channel crtc: %d\n",
- ret);
- goto disable_ppu_clk;
- }
-
- ret = zx_crtc_init(drm, vou, VOU_CHN_AUX);
- if (ret) {
- DRM_DEV_ERROR(dev, "failed to init aux channel crtc: %d\n",
- ret);
- goto disable_ppu_clk;
- }
-
- zx_overlay_init(drm, vou);
-
- return 0;
-
-disable_ppu_clk:
- clk_disable_unprepare(vou->ppu_clk);
-disable_axi_clk:
- clk_disable_unprepare(vou->axi_clk);
- return ret;
-}
-
-static void zx_crtc_unbind(struct device *dev, struct device *master,
- void *data)
-{
- struct zx_vou_hw *vou = dev_get_drvdata(dev);
-
- clk_disable_unprepare(vou->axi_clk);
- clk_disable_unprepare(vou->ppu_clk);
-}
-
-static const struct component_ops zx_crtc_component_ops = {
- .bind = zx_crtc_bind,
- .unbind = zx_crtc_unbind,
-};
-
-static int zx_crtc_probe(struct platform_device *pdev)
-{
- return component_add(&pdev->dev, &zx_crtc_component_ops);
-}
-
-static int zx_crtc_remove(struct platform_device *pdev)
-{
- component_del(&pdev->dev, &zx_crtc_component_ops);
- return 0;
-}
-
-static const struct of_device_id zx_crtc_of_match[] = {
- { .compatible = "zte,zx296718-dpc", },
- { /* end */ },
-};
-MODULE_DEVICE_TABLE(of, zx_crtc_of_match);
-
-struct platform_driver zx_crtc_driver = {
- .probe = zx_crtc_probe,
- .remove = zx_crtc_remove,
- .driver = {
- .name = "zx-crtc",
- .of_match_table = zx_crtc_of_match,
- },
-};
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright 2016 Linaro Ltd.
- * Copyright 2016 ZTE Corporation.
- */
-
-#ifndef __ZX_VOU_H__
-#define __ZX_VOU_H__
-
-#define VOU_CRTC_MASK 0x3
-
-/* VOU output interfaces */
-enum vou_inf_id {
- VOU_HDMI = 0,
- VOU_RGB_LCD = 1,
- VOU_TV_ENC = 2,
- VOU_MIPI_DSI = 3,
- VOU_LVDS = 4,
- VOU_VGA = 5,
-};
-
-enum vou_inf_hdmi_audio {
- VOU_HDMI_AUD_SPDIF = BIT(0),
- VOU_HDMI_AUD_I2S = BIT(1),
- VOU_HDMI_AUD_DSD = BIT(2),
- VOU_HDMI_AUD_HBR = BIT(3),
- VOU_HDMI_AUD_PARALLEL = BIT(4),
-};
-
-void vou_inf_hdmi_audio_sel(struct drm_crtc *crtc,
- enum vou_inf_hdmi_audio aud);
-void vou_inf_enable(enum vou_inf_id id, struct drm_crtc *crtc);
-void vou_inf_disable(enum vou_inf_id id, struct drm_crtc *crtc);
-
-enum vou_div_id {
- VOU_DIV_VGA,
- VOU_DIV_PIC,
- VOU_DIV_TVENC,
- VOU_DIV_HDMI_PNX,
- VOU_DIV_HDMI,
- VOU_DIV_INF,
- VOU_DIV_LAYER,
-};
-
-enum vou_div_val {
- VOU_DIV_1 = 0,
- VOU_DIV_2 = 1,
- VOU_DIV_4 = 3,
- VOU_DIV_8 = 7,
-};
-
-struct vou_div_config {
- enum vou_div_id id;
- enum vou_div_val val;
-};
-
-void zx_vou_config_dividers(struct drm_crtc *crtc,
- struct vou_div_config *configs, int num);
-
-void zx_vou_layer_enable(struct drm_plane *plane);
-void zx_vou_layer_disable(struct drm_plane *plane,
- struct drm_plane_state *old_state);
-
-#endif /* __ZX_VOU_H__ */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright 2016 Linaro Ltd.
- * Copyright 2016 ZTE Corporation.
- */
-
-#ifndef __ZX_VOU_REGS_H__
-#define __ZX_VOU_REGS_H__
-
-/* Sub-module offset */
-#define MAIN_GL_OFFSET 0x130
-#define MAIN_GL_CSC_OFFSET 0x580
-#define MAIN_CHN_CSC_OFFSET 0x6c0
-#define MAIN_HBSC_OFFSET 0x820
-#define MAIN_DITHER_OFFSET 0x960
-#define MAIN_RSZ_OFFSET 0x600 /* OTFPPU sub-module */
-
-#define AUX_GL_OFFSET 0x200
-#define AUX_GL_CSC_OFFSET 0x5d0
-#define AUX_CHN_CSC_OFFSET 0x710
-#define AUX_HBSC_OFFSET 0x860
-#define AUX_DITHER_OFFSET 0x970
-#define AUX_RSZ_OFFSET 0x800
-
-#define OSD_VL0_OFFSET 0x040
-#define OSD_VL_OFFSET(i) (OSD_VL0_OFFSET + 0x050 * (i))
-
-#define HBSC_VL0_OFFSET 0x760
-#define HBSC_VL_OFFSET(i) (HBSC_VL0_OFFSET + 0x040 * (i))
-
-#define RSZ_VL1_U0 0xa00
-#define RSZ_VL_OFFSET(i) (RSZ_VL1_U0 + 0x200 * (i))
-
-/* OSD (GPC_GLOBAL) registers */
-#define OSD_INT_STA 0x04
-#define OSD_INT_CLRSTA 0x08
-#define OSD_INT_MSK 0x0c
-#define OSD_INT_AUX_UPT BIT(14)
-#define OSD_INT_MAIN_UPT BIT(13)
-#define OSD_INT_GL1_LBW BIT(10)
-#define OSD_INT_GL0_LBW BIT(9)
-#define OSD_INT_VL2_LBW BIT(8)
-#define OSD_INT_VL1_LBW BIT(7)
-#define OSD_INT_VL0_LBW BIT(6)
-#define OSD_INT_BUS_ERR BIT(3)
-#define OSD_INT_CFG_ERR BIT(2)
-#define OSD_INT_ERROR (\
- OSD_INT_GL1_LBW | OSD_INT_GL0_LBW | \
- OSD_INT_VL2_LBW | OSD_INT_VL1_LBW | OSD_INT_VL0_LBW | \
- OSD_INT_BUS_ERR | OSD_INT_CFG_ERR \
-)
-#define OSD_INT_ENABLE (OSD_INT_ERROR | OSD_INT_AUX_UPT | OSD_INT_MAIN_UPT)
-#define OSD_CTRL0 0x10
-#define OSD_CTRL0_VL0_EN BIT(13)
-#define OSD_CTRL0_VL0_SEL BIT(12)
-#define OSD_CTRL0_VL1_EN BIT(11)
-#define OSD_CTRL0_VL1_SEL BIT(10)
-#define OSD_CTRL0_VL2_EN BIT(9)
-#define OSD_CTRL0_VL2_SEL BIT(8)
-#define OSD_CTRL0_GL0_EN BIT(7)
-#define OSD_CTRL0_GL0_SEL BIT(6)
-#define OSD_CTRL0_GL1_EN BIT(5)
-#define OSD_CTRL0_GL1_SEL BIT(4)
-#define OSD_RST_CLR 0x1c
-#define RST_PER_FRAME BIT(19)
-
-/* Main/Aux channel registers */
-#define OSD_MAIN_CHN 0x470
-#define OSD_AUX_CHN 0x4d0
-#define CHN_CTRL0 0x00
-#define CHN_ENABLE BIT(0)
-#define CHN_CTRL1 0x04
-#define CHN_SCREEN_W_SHIFT 18
-#define CHN_SCREEN_W_MASK (0x1fff << CHN_SCREEN_W_SHIFT)
-#define CHN_SCREEN_H_SHIFT 5
-#define CHN_SCREEN_H_MASK (0x1fff << CHN_SCREEN_H_SHIFT)
-#define CHN_UPDATE 0x08
-#define CHN_INTERLACE_BUF_CTRL 0x24
-#define CHN_INTERLACE_EN BIT(2)
-
-/* Dither registers */
-#define OSD_DITHER_CTRL0 0x00
-#define DITHER_BYSPASS BIT(31)
-
-/* TIMING_CTRL registers */
-#define TIMING_TC_ENABLE 0x04
-#define AUX_TC_EN BIT(1)
-#define MAIN_TC_EN BIT(0)
-#define FIR_MAIN_ACTIVE 0x08
-#define FIR_AUX_ACTIVE 0x0c
-#define V_ACTIVE_SHIFT 16
-#define V_ACTIVE_MASK (0xffff << V_ACTIVE_SHIFT)
-#define H_ACTIVE_SHIFT 0
-#define H_ACTIVE_MASK (0xffff << H_ACTIVE_SHIFT)
-#define FIR_MAIN_H_TIMING 0x10
-#define FIR_MAIN_V_TIMING 0x14
-#define FIR_AUX_H_TIMING 0x18
-#define FIR_AUX_V_TIMING 0x1c
-#define SYNC_WIDE_SHIFT 22
-#define SYNC_WIDE_MASK (0x3ff << SYNC_WIDE_SHIFT)
-#define BACK_PORCH_SHIFT 11
-#define BACK_PORCH_MASK (0x7ff << BACK_PORCH_SHIFT)
-#define FRONT_PORCH_SHIFT 0
-#define FRONT_PORCH_MASK (0x7ff << FRONT_PORCH_SHIFT)
-#define TIMING_CTRL 0x20
-#define AUX_POL_SHIFT 3
-#define AUX_POL_MASK (0x7 << AUX_POL_SHIFT)
-#define MAIN_POL_SHIFT 0
-#define MAIN_POL_MASK (0x7 << MAIN_POL_SHIFT)
-#define POL_DE_SHIFT 2
-#define POL_VSYNC_SHIFT 1
-#define POL_HSYNC_SHIFT 0
-#define TIMING_INT_CTRL 0x24
-#define TIMING_INT_STATE 0x28
-#define TIMING_INT_AUX_FRAME BIT(3)
-#define TIMING_INT_MAIN_FRAME BIT(1)
-#define TIMING_INT_AUX_FRAME_SEL_VSW (0x2 << 10)
-#define TIMING_INT_MAIN_FRAME_SEL_VSW (0x2 << 6)
-#define TIMING_INT_ENABLE (\
- TIMING_INT_MAIN_FRAME_SEL_VSW | TIMING_INT_AUX_FRAME_SEL_VSW | \
- TIMING_INT_MAIN_FRAME | TIMING_INT_AUX_FRAME \
-)
-#define TIMING_MAIN_SHIFT 0x2c
-#define TIMING_AUX_SHIFT 0x30
-#define H_SHIFT_VAL 0x0048
-#define V_SHIFT_VAL 0x0001
-#define SCAN_CTRL 0x34
-#define AUX_PI_EN BIT(19)
-#define MAIN_PI_EN BIT(18)
-#define AUX_INTERLACE_SEL BIT(1)
-#define MAIN_INTERLACE_SEL BIT(0)
-#define SEC_V_ACTIVE 0x38
-#define SEC_VACT_MAIN_SHIFT 0
-#define SEC_VACT_MAIN_MASK (0xffff << SEC_VACT_MAIN_SHIFT)
-#define SEC_VACT_AUX_SHIFT 16
-#define SEC_VACT_AUX_MASK (0xffff << SEC_VACT_AUX_SHIFT)
-#define SEC_MAIN_V_TIMING 0x3c
-#define SEC_AUX_V_TIMING 0x40
-#define TIMING_MAIN_PI_SHIFT 0x68
-#define TIMING_AUX_PI_SHIFT 0x6c
-#define H_PI_SHIFT_VAL 0x000f
-
-#define V_ACTIVE(x) (((x) << V_ACTIVE_SHIFT) & V_ACTIVE_MASK)
-#define H_ACTIVE(x) (((x) << H_ACTIVE_SHIFT) & H_ACTIVE_MASK)
-
-#define SYNC_WIDE(x) (((x) << SYNC_WIDE_SHIFT) & SYNC_WIDE_MASK)
-#define BACK_PORCH(x) (((x) << BACK_PORCH_SHIFT) & BACK_PORCH_MASK)
-#define FRONT_PORCH(x) (((x) << FRONT_PORCH_SHIFT) & FRONT_PORCH_MASK)
-
-/* DTRC registers */
-#define DTRC_F0_CTRL 0x2c
-#define DTRC_F1_CTRL 0x5c
-#define DTRC_DECOMPRESS_BYPASS BIT(17)
-#define DTRC_DETILE_CTRL 0x68
-#define TILE2RASTESCAN_BYPASS_MODE BIT(30)
-#define DETILE_ARIDR_MODE_MASK (0x3 << 0)
-#define DETILE_ARID_ALL 0
-#define DETILE_ARID_IN_ARIDR 1
-#define DETILE_ARID_BYP_BUT_ARIDR 2
-#define DETILE_ARID_IN_ARIDR2 3
-#define DTRC_ARID 0x6c
-#define DTRC_ARID3_SHIFT 24
-#define DTRC_ARID3_MASK (0xff << DTRC_ARID3_SHIFT)
-#define DTRC_ARID2_SHIFT 16
-#define DTRC_ARID2_MASK (0xff << DTRC_ARID2_SHIFT)
-#define DTRC_ARID1_SHIFT 8
-#define DTRC_ARID1_MASK (0xff << DTRC_ARID1_SHIFT)
-#define DTRC_ARID0_SHIFT 0
-#define DTRC_ARID0_MASK (0xff << DTRC_ARID0_SHIFT)
-#define DTRC_DEC2DDR_ARID 0x70
-
-#define DTRC_ARID3(x) (((x) << DTRC_ARID3_SHIFT) & DTRC_ARID3_MASK)
-#define DTRC_ARID2(x) (((x) << DTRC_ARID2_SHIFT) & DTRC_ARID2_MASK)
-#define DTRC_ARID1(x) (((x) << DTRC_ARID1_SHIFT) & DTRC_ARID1_MASK)
-#define DTRC_ARID0(x) (((x) << DTRC_ARID0_SHIFT) & DTRC_ARID0_MASK)
-
-/* VOU_CTRL registers */
-#define VOU_INF_EN 0x00
-#define VOU_INF_CH_SEL 0x04
-#define VOU_INF_DATA_SEL 0x08
-#define VOU_SOFT_RST 0x14
-#define VOU_CLK_SEL 0x18
-#define VGA_AUX_DIV_SHIFT 29
-#define VGA_MAIN_DIV_SHIFT 26
-#define PIC_MAIN_DIV_SHIFT 23
-#define PIC_AUX_DIV_SHIFT 20
-#define VOU_CLK_VL2_SEL BIT(8)
-#define VOU_CLK_VL1_SEL BIT(7)
-#define VOU_CLK_VL0_SEL BIT(6)
-#define VOU_CLK_GL1_SEL BIT(5)
-#define VOU_CLK_GL0_SEL BIT(4)
-#define VOU_DIV_PARA 0x1c
-#define DIV_PARA_UPDATE BIT(31)
-#define TVENC_AUX_DIV_SHIFT 28
-#define HDMI_AUX_PNX_DIV_SHIFT 25
-#define HDMI_MAIN_PNX_DIV_SHIFT 22
-#define HDMI_AUX_DIV_SHIFT 19
-#define HDMI_MAIN_DIV_SHIFT 16
-#define TVENC_MAIN_DIV_SHIFT 13
-#define INF_AUX_DIV_SHIFT 9
-#define INF_MAIN_DIV_SHIFT 6
-#define LAYER_AUX_DIV_SHIFT 3
-#define LAYER_MAIN_DIV_SHIFT 0
-#define VOU_CLK_REQEN 0x20
-#define VOU_CLK_EN 0x24
-#define VOU_INF_HDMI_CTRL 0x30
-#define VOU_HDMI_AUD_MASK 0x1f
-
-/* OTFPPU_CTRL registers */
-#define OTFPPU_RSZ_DATA_SOURCE 0x04
-
-#endif /* __ZX_VOU_REGS_H__ */
projects / platform / kernel / linux-starfive.git / commitdiff