2017-01-19 22:28:38 +08:00
|
|
|
/*
|
|
|
|
* Copyright 2017 Linaro Ltd.
|
|
|
|
* Copyright 2017 ZTE Corporation.
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
|
|
* published by the Free Software Foundation.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <linux/clk.h>
|
|
|
|
#include <linux/component.h>
|
|
|
|
#include <linux/mfd/syscon.h>
|
|
|
|
#include <linux/regmap.h>
|
|
|
|
|
|
|
|
#include <drm/drm_atomic_helper.h>
|
2019-01-18 05:03:34 +08:00
|
|
|
#include <drm/drm_probe_helper.h>
|
2017-01-19 22:28:38 +08:00
|
|
|
#include <drm/drmP.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 const struct drm_encoder_funcs zx_tvenc_encoder_funcs = {
|
|
|
|
.destroy = drm_encoder_cleanup,
|
|
|
|
};
|
|
|
|
|
|
|
|
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_encoder_init(drm, encoder, &zx_tvenc_encoder_funcs,
|
|
|
|
DRM_MODE_ENCODER_TVDAC, NULL);
|
|
|
|
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);
|
|
|
|
|
2018-07-09 16:40:07 +08:00
|
|
|
drm_connector_attach_encoder(connector, encoder);
|
2017-01-19 22:28:38 +08:00
|
|
|
|
|
|
|
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,
|
|
|
|
},
|
|
|
|
};
|