video/drm: Support rk1000

Support rk1000 cvbs.

Change-Id: I9b8f2b7ebd829f6e9d1c83deb0a81e7f88808bac
Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
This commit is contained in:
Algea Cao 2019-09-16 10:43:41 +08:00 committed by Jianhong Chen
parent 75eb6fceb5
commit 9c9eff4383
6 changed files with 491 additions and 2 deletions

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@ -104,6 +104,15 @@ config DRM_ROCKCHIP_RK618
Choose this option to enable support for Rockchip RK618 display
bridge chips driver. say Y to enable its driver.
config DRM_ROCKCHIP_RK1000
bool "Rockchip RK1000 display bridge driver"
depends on DRM_ROCKCHIP
select DRM_ROCKCHIP_PANEL
select VIDEO_BRIDGE
help
Choose this option to enable support for Rockchip RK1000 display
bridge chips driver. say Y to enable its driver.
config ROCKCHIP_DRM_TVE
bool "Rockchip TVE Support"
depends on DRM_ROCKCHIP

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@ -20,3 +20,4 @@ obj-$(CONFIG_DRM_ROCKCHIP_LVDS) += rockchip_lvds.o
obj-$(CONFIG_DRM_ROCKCHIP_RGB) += rockchip_rgb.o
obj-$(CONFIG_DRM_ROCKCHIP_PANEL) += rockchip_panel.o
obj-$(CONFIG_DRM_ROCKCHIP_RK618) += rk618.o rk618_lvds.o
obj-$(CONFIG_DRM_ROCKCHIP_RK1000) += rk1000.o rk1000_tve.o

139
drivers/video/drm/rk1000.c Normal file
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@ -0,0 +1,139 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <i2c.h>
#include <dm/pinctrl.h>
#include <dm/uclass.h>
#include <dm/uclass-id.h>
#include "rk1000.h"
#define CTRL_ADC 0x00
#define ADC_OFF 0x88
#define CTRL_CODEC 0x01
#define CODEC_OFF 0x0d
#define CTRL_I2C 0x02
#define I2C_TIMEOUT_PERIOD 0x22
#define CTRL_TVE 0x03
#define TVE_OFF 0x00
int rk1000_ctl_i2c_write(struct rk1000_ctl *rk1000_ctl, u8 reg, u8 val)
{
struct dm_i2c_chip *chip = dev_get_parent_platdata(rk1000_ctl->dev);
struct i2c_msg msg;
u8 buf[2];
int ret;
buf[0] = reg;
buf[1] = val;
msg.addr = chip->chip_addr;
msg.flags = 0;
msg.len = 2;
msg.buf = buf;
ret = dm_i2c_xfer(rk1000_ctl->dev, &msg, 1);
if (ret) {
dev_err(rk1000_ctl->dev, "rk1000 ctrl i2c write failed: %d\n",
ret);
return ret;
}
return 0;
}
int rk1000_ctl_i2c_read(struct rk1000_ctl *rk1000_ctl, u8 reg, u8 *val)
{
struct dm_i2c_chip *chip = dev_get_parent_platdata(rk1000_ctl->dev);
u8 data;
struct i2c_msg msg[] = {
{
.addr = chip->chip_addr,
.flags = 0,
.buf = (u8 *)&reg,
.len = 1,
}, {
.addr = chip->chip_addr,
.flags = I2C_M_RD,
.buf = (u8 *)&data,
.len = 1,
}
};
int ret;
ret = dm_i2c_xfer(rk1000_ctl->dev, msg, 2);
if (ret) {
dev_err(rk1000_ctl->dev, "rk1000 ctrl i2c read failed: %d\n",
ret);
return ret;
}
*val = data;
return 0;
}
int rk1000_ctl_write_block(struct rk1000_ctl *rk1000_ctl,
u8 reg, const u8 *buf, u8 len)
{
int i, ret;
for (i = 0; i < len; i++) {
ret = rk1000_ctl_i2c_write(rk1000_ctl, reg + i, buf[i]);
if (ret)
break;
}
return ret;
}
static int rk1000_ctl_probe(struct udevice *dev)
{
struct rk1000_ctl *rk1000_ctl = dev_get_priv(dev);
int ret;
rk1000_ctl->dev = dev;
ret = gpio_request_by_name(dev, "reset-gpios", 0,
&rk1000_ctl->reset_gpio, GPIOD_IS_OUT);
if (ret) {
dev_err(dev, "Cannot get reset GPIO: %d\n", ret);
return ret;
}
ret = clk_get_by_name(dev, "mclk", &rk1000_ctl->mclk);
if (ret < 0) {
dev_err(dev, "failed to get clkin: %d\n", ret);
return ret;
}
clk_enable(&rk1000_ctl->mclk);
pinctrl_select_state(rk1000_ctl->dev, "default");
dm_gpio_set_value(&rk1000_ctl->reset_gpio, 0);
mdelay(1);
dm_gpio_set_value(&rk1000_ctl->reset_gpio, 1);
mdelay(1);
dm_gpio_set_value(&rk1000_ctl->reset_gpio, 0);
return 0;
}
static const struct udevice_id rk1000_ctl_of_match[] = {
{ .compatible = "rockchip,rk1000-ctl" },
{}
};
U_BOOT_DRIVER(rk1000) = {
.name = "rk1000_ctl",
.id = UCLASS_I2C_GENERIC,
.of_match = rk1000_ctl_of_match,
.probe = rk1000_ctl_probe,
.bind = dm_scan_fdt_dev,
.priv_auto_alloc_size = sizeof(struct rk1000_ctl),
};

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@ -0,0 +1,24 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2019 Fuzhou Rockchip Electronics Co., Ltd
*/
#ifndef _RK1000_H_
#define _RK1000_H_
#include <clk.h>
#include <asm/gpio.h>
#include <dm/device.h>
#include <power/regulator.h>
struct rk1000_ctl {
struct udevice *dev;
struct gpio_desc reset_gpio;
struct clk mclk;
};
int rk1000_ctl_i2c_read(struct rk1000_ctl *rk1000_ctl, u8 reg, u8 *val);
int rk1000_ctl_write_block(struct rk1000_ctl *rk1000_ctl,
u8 reg, const u8 *buf, u8 len);
#endif

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@ -0,0 +1,316 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
*/
#include <common.h>
#include <boot_rkimg.h>
#include <dm.h>
#include <errno.h>
#include <i2c.h>
#include <video_bridge.h>
#include <asm/io.h>
#include <dm/device.h>
#include <dm/device-internal.h>
#include <linux/media-bus-format.h>
#include "rockchip_bridge.h"
#include "rockchip_display.h"
#include "rockchip_panel.h"
#include "rk1000.h"
#define TVE_POWCR 0x03
#define TVE_OFF 0X07
#define TVE_ON 0x03
struct rk1000_tve {
struct udevice *dev;
struct rk1000_ctl rk1000_ctl;
};
enum {
CVBS_NTSC = 0,
CVBS_PAL,
};
int rk1000_tve_i2c_write(struct rk1000_tve *rk1000_tve, u8 reg, u8 val)
{
struct dm_i2c_chip *chip = dev_get_parent_platdata(rk1000_tve->dev);
struct i2c_msg msg;
u8 buf[2];
int ret;
buf[0] = reg;
buf[1] = val;
msg.addr = chip->chip_addr;
msg.flags = 0;
msg.len = 2;
msg.buf = buf;
ret = dm_i2c_xfer(rk1000_tve->dev, &msg, 1);
if (ret) {
dev_err(rk1000_tve->dev,
"rk1000 tve i2c write failed: %d\n", ret);
return ret;
}
return 0;
}
int rk1000_tve_i2c_read(struct rk1000_tve *rk1000_tve, u8 reg, u8 *val)
{
struct dm_i2c_chip *chip = dev_get_parent_platdata(rk1000_tve->dev);
u8 data;
struct i2c_msg msg[] = {
{
.addr = chip->chip_addr,
.flags = 0,
.buf = (u8 *)&reg,
.len = 1,
}, {
.addr = chip->chip_addr,
.flags = I2C_M_RD,
.buf = (u8 *)&data,
.len = 1,
}
};
int ret;
ret = dm_i2c_xfer(rk1000_tve->dev, msg, 2);
if (ret) {
dev_err(rk1000_tve->dev,
"rk1000 tve i2c read failed: %d\n", ret);
return ret;
}
*val = data;
return 0;
}
static int rk1000_tv_write_block(struct rk1000_tve *rk1000_tve,
u8 reg, const u8 *buf, u8 len)
{
int i, ret;
for (i = 0; i < len; i++) {
ret = rk1000_tve_i2c_write(rk1000_tve, reg + i, buf[i]);
if (ret)
break;
}
return ret;
}
static int rk1000_tve_probe(struct udevice *dev)
{
struct rk1000_tve *rk1000_tve = dev_get_priv(dev);
struct rockchip_bridge *bridge =
(struct rockchip_bridge *)dev_get_driver_data(dev);
int ret;
rk1000_tve->dev = dev;
ret = uclass_get_device_by_name(UCLASS_I2C_GENERIC,
"rk1000-ctl@40",
&rk1000_tve->rk1000_ctl.dev);
if (ret)
return ret;
bridge->dev = dev;
return 0;
}
static void rk1000_tve_bridge_enable(struct rockchip_bridge *bridge)
{
u8 tv_encoder_regs_pal[] = {0x06, 0x00, 0x00, 0x03, 0x00, 0x00};
u8 tv_encoder_control_regs_pal[] = {0x41, 0x01};
u8 tv_encoder_regs_ntsc[] = {0x00, 0x00, 0x00, 0x03, 0x00, 0x00};
u8 tv_encoder_control_regs_ntsc[] = {0x43, 0x01};
char data[4] = {0x88, 0x00, 0x22, 0x00};
struct rk1000_tve *rk1000_tve = dev_get_priv(bridge->dev);
struct connector_state *conn_state = &bridge->state->conn_state;
struct drm_display_mode *mode = &conn_state->mode;
struct rk1000_ctl *rk1000_ctl = &rk1000_tve->rk1000_ctl;
rk1000_ctl_write_block(rk1000_ctl, 0, (u8 *)data, 4);
/* rk1000 power down output dac */
data[0] = 0x07;
rk1000_tv_write_block(rk1000_tve, 0x03, (u8 *)data, 1);
if (mode->vdisplay == 576) {
rk1000_tv_write_block(rk1000_tve, 0, tv_encoder_regs_pal,
sizeof(tv_encoder_regs_pal));
rk1000_ctl_write_block(rk1000_ctl, 3,
tv_encoder_control_regs_pal,
sizeof(tv_encoder_control_regs_pal));
} else {
rk1000_tv_write_block(rk1000_tve, 0, tv_encoder_regs_ntsc,
sizeof(tv_encoder_regs_ntsc));
rk1000_ctl_write_block(rk1000_ctl, 3,
tv_encoder_control_regs_ntsc,
sizeof(tv_encoder_control_regs_ntsc));
}
}
static void rk1000_tve_bridge_disable(struct rockchip_bridge *bridge)
{
struct rk1000_tve *rk1000_tve = dev_get_priv(bridge->dev);
char data[1] = {0x07};
/* rk1000 power down output dac */
rk1000_tv_write_block(rk1000_tve, 0x03, (u8 *)data, 1);
}
static void drm_rk1000_select_output(struct overscan *overscan,
struct drm_display_mode *mode)
{
char baseparameter_buf[8 * RK_BLK_SIZE] __aligned(ARCH_DMA_MINALIGN);
struct base_screen_info *screen_info = NULL;
struct base_disp_info base_parameter;
struct blk_desc *dev_desc;
const struct base_overscan *scan;
disk_partition_t part_info;
int ret, i, screen_size;
int max_scan = 100;
int min_scan = 51;
overscan->left_margin = max_scan;
overscan->right_margin = max_scan;
overscan->top_margin = max_scan;
overscan->bottom_margin = max_scan;
mode->hdisplay = 720;
mode->hsync_start = 732;
mode->hsync_end = 738;
mode->htotal = 864;
mode->vdisplay = 576;
mode->vsync_start = 582;
mode->vsync_end = 588;
mode->vtotal = 625;
mode->clock = 27000;
mode->flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC;
dev_desc = rockchip_get_bootdev();
if (!dev_desc) {
printf("%s: Could not find device\n", __func__);
return;
}
if (part_get_info_by_name(dev_desc, "baseparameter", &part_info) < 0) {
printf("Could not find baseparameter partition\n");
return;
}
ret = blk_dread(dev_desc, part_info.start, 1,
(void *)baseparameter_buf);
if (ret < 0) {
printf("read baseparameter failed\n");
return;
}
memcpy(&base_parameter, baseparameter_buf, sizeof(base_parameter));
scan = &base_parameter.scan;
screen_size = sizeof(base_parameter.screen_list) /
sizeof(base_parameter.screen_list[0]);
for (i = 0; i < screen_size; i++) {
if (base_parameter.screen_list[i].type ==
DRM_MODE_CONNECTOR_TV) {
screen_info = &base_parameter.screen_list[i];
break;
}
}
if (scan->leftscale < min_scan && scan->leftscale > 0)
overscan->left_margin = min_scan;
else if (scan->leftscale < max_scan)
overscan->left_margin = scan->leftscale;
if (scan->rightscale < min_scan && scan->rightscale > 0)
overscan->right_margin = min_scan;
else if (scan->rightscale < max_scan)
overscan->right_margin = scan->rightscale;
if (scan->topscale < min_scan && scan->topscale > 0)
overscan->top_margin = min_scan;
else if (scan->topscale < max_scan)
overscan->top_margin = scan->topscale;
if (scan->bottomscale < min_scan && scan->bottomscale > 0)
overscan->bottom_margin = min_scan;
else if (scan->bottomscale < max_scan)
overscan->bottom_margin = scan->bottomscale;
if (screen_info &&
(screen_info->mode.hdisplay == 720 &&
screen_info->mode.hsync_end == 742 &&
screen_info->mode.vdisplay == 480)) {
mode->hdisplay = 720;
mode->hsync_start = 736;
mode->hsync_end = 742;
mode->htotal = 858;
mode->vdisplay = 480;
mode->vsync_start = 494;
mode->vsync_end = 500;
mode->vtotal = 525;
mode->clock = 27000;
} else {
mode->hdisplay = 720;
mode->hsync_start = 732;
mode->hsync_end = 738;
mode->htotal = 864;
mode->vdisplay = 576;
mode->vsync_start = 582;
mode->vsync_end = 588;
mode->vtotal = 625;
mode->clock = 27000;
}
}
static int rk1000_tve_get_timing(struct udevice *dev)
{
struct rockchip_bridge *bridge =
(struct rockchip_bridge *)dev_get_driver_data(dev);
struct connector_state *conn_state = &bridge->state->conn_state;
struct drm_display_mode *mode = &conn_state->mode;
struct overscan *overscan = &conn_state->overscan;
drm_rk1000_select_output(overscan, mode);
return 0;
}
static const struct rockchip_bridge_funcs rk1000_tve_bridge_funcs = {
.enable = rk1000_tve_bridge_enable,
.disable = rk1000_tve_bridge_disable,
};
static struct rockchip_bridge rk1000_tve_driver_data = {
.funcs = &rk1000_tve_bridge_funcs,
};
struct video_bridge_ops rk1000_tve_ops = {
.get_timing = rk1000_tve_get_timing,
};
static const struct udevice_id rk1000_tve_ids[] = {
{
.compatible = "rockchip,rk1000-tve",
.data = (ulong)&rk1000_tve_driver_data,
},
{ }
};
U_BOOT_DRIVER(rk1000_tve) = {
.name = "rk1000_tve",
.id = UCLASS_VIDEO_BRIDGE,
.of_match = rk1000_tve_ids,
.ops = &rk1000_tve_ops,
.probe = rk1000_tve_probe,
.priv_auto_alloc_size = sizeof(struct rk1000_tve),
};

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@ -560,7 +560,7 @@ static int display_init(struct display_state *state)
printf("hdmi plugin ,skip tve\n");
goto deinit;
}
#elif defined(CONFIG_ROCKCHIP_DRM_RK1000)
#elif defined(CONFIG_DRM_ROCKCHIP_RK1000)
if (crtc->hdmi_hpd && conn_state->type == DRM_MODE_CONNECTOR_LVDS) {
printf("hdmi plugin ,skip tve\n");
goto deinit;
@ -568,7 +568,7 @@ static int display_init(struct display_state *state)
#endif
if (conn_funcs->detect) {
ret = conn_funcs->detect(state);
#if defined(CONFIG_ROCKCHIP_DRM_TVE) || defined(CONFIG_ROCKCHIP_DRM_RK1000)
#if defined(CONFIG_ROCKCHIP_DRM_TVE) || defined(CONFIG_DRM_ROCKCHIP_RK1000)
if (conn_state->type == DRM_MODE_CONNECTOR_HDMIA)
crtc->hdmi_hpd = ret;
#endif