u-boot/drivers/video/nexell_display.c
Simon Glass b86986c7b3 video: Rename CONFIG_DM_VIDEO to CONFIG_VIDEO
Now that all the old code is gone, rename this option. Driver model
migration is now complete.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-10-30 20:07:17 +01:00

584 lines
17 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Nexell Co., Ltd.
*
* Author: junghyun, kim <jhkim@nexell.co.kr>
*
* Copyright (C) 2020 Stefan Bosch <stefan_b@posteo.net>
*/
#include <config.h>
#include <common.h>
#include <command.h>
#include <dm.h>
#include <mapmem.h>
#include <malloc.h>
#include <linux/compat.h>
#include <linux/err.h>
#include <video.h> /* For struct video_uc_plat */
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/arch/display.h>
#include <asm/arch/display_dev.h>
#include "videomodes.h"
DECLARE_GLOBAL_DATA_PTR;
#if !defined(CONFIG_DM) && !defined(CONFIG_OF_CONTROL)
static struct nx_display_dev *dp_dev;
#endif
static char *const dp_dev_str[] = {
[DP_DEVICE_RESCONV] = "RESCONV",
[DP_DEVICE_RGBLCD] = "LCD",
[DP_DEVICE_HDMI] = "HDMI",
[DP_DEVICE_MIPI] = "MiPi",
[DP_DEVICE_LVDS] = "LVDS",
[DP_DEVICE_CVBS] = "TVOUT",
[DP_DEVICE_DP0] = "DP0",
[DP_DEVICE_DP1] = "DP1",
};
#if CONFIG_IS_ENABLED(OF_CONTROL)
static void nx_display_parse_dp_sync(ofnode node, struct dp_sync_info *sync)
{
sync->h_active_len = ofnode_read_s32_default(node, "h_active_len", 0);
sync->h_sync_width = ofnode_read_s32_default(node, "h_sync_width", 0);
sync->h_back_porch = ofnode_read_s32_default(node, "h_back_porch", 0);
sync->h_front_porch = ofnode_read_s32_default(node, "h_front_porch", 0);
sync->h_sync_invert = ofnode_read_s32_default(node, "h_sync_invert", 0);
sync->v_active_len = ofnode_read_s32_default(node, "v_active_len", 0);
sync->v_sync_width = ofnode_read_s32_default(node, "v_sync_width", 0);
sync->v_back_porch = ofnode_read_s32_default(node, "v_back_porch", 0);
sync->v_front_porch = ofnode_read_s32_default(node, "v_front_porch", 0);
sync->v_sync_invert = ofnode_read_s32_default(node, "v_sync_invert", 0);
sync->pixel_clock_hz = ofnode_read_s32_default(node, "pixel_clock_hz", 0);
debug("DP: sync ->\n");
debug("ha:%d, hs:%d, hb:%d, hf:%d, hi:%d\n",
sync->h_active_len, sync->h_sync_width,
sync->h_back_porch, sync->h_front_porch, sync->h_sync_invert);
debug("va:%d, vs:%d, vb:%d, vf:%d, vi:%d\n",
sync->v_active_len, sync->v_sync_width,
sync->v_back_porch, sync->v_front_porch, sync->v_sync_invert);
}
static void nx_display_parse_dp_ctrl(ofnode node, struct dp_ctrl_info *ctrl)
{
/* clock gen */
ctrl->clk_src_lv0 = ofnode_read_s32_default(node, "clk_src_lv0", 0);
ctrl->clk_div_lv0 = ofnode_read_s32_default(node, "clk_div_lv0", 0);
ctrl->clk_src_lv1 = ofnode_read_s32_default(node, "clk_src_lv1", 0);
ctrl->clk_div_lv1 = ofnode_read_s32_default(node, "clk_div_lv1", 0);
/* scan format */
ctrl->interlace = ofnode_read_s32_default(node, "interlace", 0);
/* syncgen format */
ctrl->out_format = ofnode_read_s32_default(node, "out_format", 0);
ctrl->invert_field = ofnode_read_s32_default(node, "invert_field", 0);
ctrl->swap_RB = ofnode_read_s32_default(node, "swap_RB", 0);
ctrl->yc_order = ofnode_read_s32_default(node, "yc_order", 0);
/* extern sync delay */
ctrl->delay_mask = ofnode_read_s32_default(node, "delay_mask", 0);
ctrl->d_rgb_pvd = ofnode_read_s32_default(node, "d_rgb_pvd", 0);
ctrl->d_hsync_cp1 = ofnode_read_s32_default(node, "d_hsync_cp1", 0);
ctrl->d_vsync_fram = ofnode_read_s32_default(node, "d_vsync_fram", 0);
ctrl->d_de_cp2 = ofnode_read_s32_default(node, "d_de_cp2", 0);
/* extern sync delay */
ctrl->vs_start_offset =
ofnode_read_s32_default(node, "vs_start_offset", 0);
ctrl->vs_end_offset = ofnode_read_s32_default(node, "vs_end_offset", 0);
ctrl->ev_start_offset =
ofnode_read_s32_default(node, "ev_start_offset", 0);
ctrl->ev_end_offset = ofnode_read_s32_default(node, "ev_end_offset", 0);
/* pad clock seletor */
ctrl->vck_select = ofnode_read_s32_default(node, "vck_select", 0);
ctrl->clk_inv_lv0 = ofnode_read_s32_default(node, "clk_inv_lv0", 0);
ctrl->clk_delay_lv0 = ofnode_read_s32_default(node, "clk_delay_lv0", 0);
ctrl->clk_inv_lv1 = ofnode_read_s32_default(node, "clk_inv_lv1", 0);
ctrl->clk_delay_lv1 = ofnode_read_s32_default(node, "clk_delay_lv1", 0);
ctrl->clk_sel_div1 = ofnode_read_s32_default(node, "clk_sel_div1", 0);
debug("DP: ctrl [%s] ->\n",
ctrl->interlace ? "Interlace" : " Progressive");
debug("cs0:%d, cd0:%d, cs1:%d, cd1:%d\n",
ctrl->clk_src_lv0, ctrl->clk_div_lv0,
ctrl->clk_src_lv1, ctrl->clk_div_lv1);
debug("fmt:0x%x, inv:%d, swap:%d, yb:0x%x\n",
ctrl->out_format, ctrl->invert_field,
ctrl->swap_RB, ctrl->yc_order);
debug("dm:0x%x, drp:%d, dhs:%d, dvs:%d, dde:0x%x\n",
ctrl->delay_mask, ctrl->d_rgb_pvd,
ctrl->d_hsync_cp1, ctrl->d_vsync_fram, ctrl->d_de_cp2);
debug("vss:%d, vse:%d, evs:%d, eve:%d\n",
ctrl->vs_start_offset, ctrl->vs_end_offset,
ctrl->ev_start_offset, ctrl->ev_end_offset);
debug("sel:%d, i0:%d, d0:%d, i1:%d, d1:%d, s1:%d\n",
ctrl->vck_select, ctrl->clk_inv_lv0, ctrl->clk_delay_lv0,
ctrl->clk_inv_lv1, ctrl->clk_delay_lv1, ctrl->clk_sel_div1);
}
static void nx_display_parse_dp_top_layer(ofnode node, struct dp_plane_top *top)
{
top->screen_width = ofnode_read_s32_default(node, "screen_width", 0);
top->screen_height = ofnode_read_s32_default(node, "screen_height", 0);
top->video_prior = ofnode_read_s32_default(node, "video_prior", 0);
top->interlace = ofnode_read_s32_default(node, "interlace", 0);
top->back_color = ofnode_read_s32_default(node, "back_color", 0);
top->plane_num = DP_PLANS_NUM;
debug("DP: top [%s] ->\n",
top->interlace ? "Interlace" : " Progressive");
debug("w:%d, h:%d, prior:%d, bg:0x%x\n",
top->screen_width, top->screen_height,
top->video_prior, top->back_color);
}
static void nx_display_parse_dp_layer(ofnode node, struct dp_plane_info *plane)
{
plane->left = ofnode_read_s32_default(node, "left", 0);
plane->width = ofnode_read_s32_default(node, "width", 0);
plane->top = ofnode_read_s32_default(node, "top", 0);
plane->height = ofnode_read_s32_default(node, "height", 0);
plane->pixel_byte = ofnode_read_s32_default(node, "pixel_byte", 0);
plane->format = ofnode_read_s32_default(node, "format", 0);
plane->alpha_on = ofnode_read_s32_default(node, "alpha_on", 0);
plane->alpha_depth = ofnode_read_s32_default(node, "alpha", 0);
plane->tp_on = ofnode_read_s32_default(node, "tp_on", 0);
plane->tp_color = ofnode_read_s32_default(node, "tp_color", 0);
/* enable layer */
if (plane->fb_base)
plane->enable = 1;
else
plane->enable = 0;
if (plane->fb_base == 0) {
printf("fail : dp plane.%d invalid fb base [0x%x] ->\n",
plane->layer, plane->fb_base);
return;
}
debug("DP: plane.%d [0x%x] ->\n", plane->layer, plane->fb_base);
debug("f:0x%x, l:%d, t:%d, %d * %d, bpp:%d, a:%d(%d), t:%d(0x%x)\n",
plane->format, plane->left, plane->top, plane->width,
plane->height, plane->pixel_byte, plane->alpha_on,
plane->alpha_depth, plane->tp_on, plane->tp_color);
}
static void nx_display_parse_dp_planes(ofnode node,
struct nx_display_dev *dp,
struct video_uc_plat *plat)
{
const char *name;
ofnode subnode;
ofnode_for_each_subnode(subnode, node) {
name = ofnode_get_name(subnode);
if (strcmp(name, "layer_top") == 0)
nx_display_parse_dp_top_layer(subnode, &dp->top);
/*
* TODO: Is it sure that only one layer is used? Otherwise
* fb_base must be different?
*/
if (strcmp(name, "layer_0") == 0) {
dp->planes[0].fb_base =
(uint)map_sysmem(plat->base, plat->size);
debug("%s(): dp->planes[0].fb_base == 0x%x\n", __func__,
(uint)dp->planes[0].fb_base);
nx_display_parse_dp_layer(subnode, &dp->planes[0]);
}
if (strcmp(name, "layer_1") == 0) {
dp->planes[1].fb_base =
(uint)map_sysmem(plat->base, plat->size);
debug("%s(): dp->planes[1].fb_base == 0x%x\n", __func__,
(uint)dp->planes[1].fb_base);
nx_display_parse_dp_layer(subnode, &dp->planes[1]);
}
if (strcmp(name, "layer_2") == 0) {
dp->planes[2].fb_base =
(uint)map_sysmem(plat->base, plat->size);
debug("%s(): dp->planes[2].fb_base == 0x%x\n", __func__,
(uint)dp->planes[2].fb_base);
nx_display_parse_dp_layer(subnode, &dp->planes[2]);
}
}
}
static int nx_display_parse_dp_lvds(ofnode node, struct nx_display_dev *dp)
{
struct dp_lvds_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) {
printf("failed to allocate display LVDS object.\n");
return -ENOMEM;
}
dp->device = dev;
dev->lvds_format = ofnode_read_s32_default(node, "format", 0);
dev->pol_inv_hs = ofnode_read_s32_default(node, "pol_inv_hs", 0);
dev->pol_inv_vs = ofnode_read_s32_default(node, "pol_inv_vs", 0);
dev->pol_inv_de = ofnode_read_s32_default(node, "pol_inv_de", 0);
dev->pol_inv_ck = ofnode_read_s32_default(node, "pol_inv_ck", 0);
dev->voltage_level = ofnode_read_s32_default(node, "voltage_level", 0);
if (!dev->voltage_level)
dev->voltage_level = DEF_VOLTAGE_LEVEL;
debug("DP: LVDS -> %s, voltage LV:0x%x\n",
dev->lvds_format == DP_LVDS_FORMAT_VESA ? "VESA" :
dev->lvds_format == DP_LVDS_FORMAT_JEIDA ? "JEIDA" : "LOC",
dev->voltage_level);
debug("pol inv hs:%d, vs:%d, de:%d, ck:%d\n",
dev->pol_inv_hs, dev->pol_inv_vs,
dev->pol_inv_de, dev->pol_inv_ck);
return 0;
}
static int nx_display_parse_dp_rgb(ofnode node, struct nx_display_dev *dp)
{
struct dp_rgb_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) {
printf("failed to allocate display RGB LCD object.\n");
return -ENOMEM;
}
dp->device = dev;
dev->lcd_mpu_type = ofnode_read_s32_default(node, "lcd_mpu_type", 0);
debug("DP: RGB -> MPU[%s]\n", dev->lcd_mpu_type ? "O" : "X");
return 0;
}
static int nx_display_parse_dp_mipi(ofnode node, struct nx_display_dev *dp)
{
struct dp_mipi_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) {
printf("failed to allocate display MiPi object.\n");
return -ENOMEM;
}
dp->device = dev;
dev->lp_bitrate = ofnode_read_s32_default(node, "lp_bitrate", 0);
dev->hs_bitrate = ofnode_read_s32_default(node, "hs_bitrate", 0);
dev->lpm_trans = 1;
dev->command_mode = 0;
debug("DP: MIPI ->\n");
debug("lp:%dmhz, hs:%dmhz\n", dev->lp_bitrate, dev->hs_bitrate);
return 0;
}
static int nx_display_parse_dp_hdmi(ofnode node, struct nx_display_dev *dp)
{
struct dp_hdmi_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) {
printf("failed to allocate display HDMI object.\n");
return -ENOMEM;
}
dp->device = dev;
dev->preset = ofnode_read_s32_default(node, "preset", 0);
debug("DP: HDMI -> %d\n", dev->preset);
return 0;
}
static int nx_display_parse_dp_lcds(ofnode node, const char *type,
struct nx_display_dev *dp)
{
if (strcmp(type, "lvds") == 0) {
dp->dev_type = DP_DEVICE_LVDS;
return nx_display_parse_dp_lvds(node, dp);
} else if (strcmp(type, "rgb") == 0) {
dp->dev_type = DP_DEVICE_RGBLCD;
return nx_display_parse_dp_rgb(node, dp);
} else if (strcmp(type, "mipi") == 0) {
dp->dev_type = DP_DEVICE_MIPI;
return nx_display_parse_dp_mipi(node, dp);
} else if (strcmp(type, "hdmi") == 0) {
dp->dev_type = DP_DEVICE_HDMI;
return nx_display_parse_dp_hdmi(node, dp);
}
printf("%s: node %s unknown display type\n", __func__,
ofnode_get_name(node));
return -EINVAL;
return 0;
}
#define DT_SYNC (1 << 0)
#define DT_CTRL (1 << 1)
#define DT_PLANES (1 << 2)
#define DT_DEVICE (1 << 3)
static int nx_display_parse_dt(struct udevice *dev,
struct nx_display_dev *dp,
struct video_uc_plat *plat)
{
const char *name, *dtype;
int ret = 0;
unsigned int dt_status = 0;
ofnode subnode;
if (!dev)
return -ENODEV;
dp->module = dev_read_s32_default(dev, "module", -1);
if (dp->module == -1)
dp->module = dev_read_s32_default(dev, "index", 0);
dtype = dev_read_string(dev, "lcd-type");
ofnode_for_each_subnode(subnode, dev_ofnode(dev)) {
name = ofnode_get_name(subnode);
if (strcmp("dp-sync", name) == 0) {
dt_status |= DT_SYNC;
nx_display_parse_dp_sync(subnode, &dp->sync);
}
if (strcmp("dp-ctrl", name) == 0) {
dt_status |= DT_CTRL;
nx_display_parse_dp_ctrl(subnode, &dp->ctrl);
}
if (strcmp("dp-planes", name) == 0) {
dt_status |= DT_PLANES;
nx_display_parse_dp_planes(subnode, dp, plat);
}
if (strcmp("dp-device", name) == 0) {
dt_status |= DT_DEVICE;
ret = nx_display_parse_dp_lcds(subnode, dtype, dp);
}
}
if (dt_status != (DT_SYNC | DT_CTRL | DT_PLANES | DT_DEVICE)) {
printf("Not enough DT config for display [0x%x]\n", dt_status);
return -ENODEV;
}
return ret;
}
#endif
__weak int nx_display_fixup_dp(struct nx_display_dev *dp)
{
return 0;
}
static struct nx_display_dev *nx_display_setup(void)
{
struct nx_display_dev *dp;
int i, ret;
int node = 0;
struct video_uc_plat *plat = NULL;
struct udevice *dev;
/* call driver probe */
debug("DT: uclass device call...\n");
ret = uclass_get_device(UCLASS_VIDEO, 0, &dev);
if (ret) {
debug("%s(): uclass_get_device(UCLASS_VIDEO, 0, &dev) != 0 --> return NULL\n",
__func__);
return NULL;
}
plat = dev_get_uclass_plat(dev);
if (!dev) {
debug("%s(): dev_get_uclass_plat(dev) == NULL --> return NULL\n",
__func__);
return NULL;
}
dp = dev_get_priv(dev);
if (!dp) {
debug("%s(): dev_get_priv(dev) == NULL --> return NULL\n",
__func__);
return NULL;
}
node = dev_ofnode(dev).of_offset;
if (CONFIG_IS_ENABLED(OF_CONTROL)) {
ret = nx_display_parse_dt(dev, dp, plat);
if (ret)
goto err_setup;
}
nx_display_fixup_dp(dp);
for (i = 0; dp->top.plane_num > i; i++) {
dp->planes[i].layer = i;
if (dp->planes[i].enable && !dp->fb_plane) {
dp->fb_plane = &dp->planes[i];
dp->fb_addr = dp->fb_plane->fb_base;
dp->depth = dp->fb_plane->pixel_byte;
}
}
switch (dp->dev_type) {
#ifdef CONFIG_VIDEO_NX_RGB
case DP_DEVICE_RGBLCD:
nx_rgb_display(dp->module,
&dp->sync, &dp->ctrl, &dp->top,
dp->planes, (struct dp_rgb_dev *)dp->device);
break;
#endif
#ifdef CONFIG_VIDEO_NX_LVDS
case DP_DEVICE_LVDS:
nx_lvds_display(dp->module,
&dp->sync, &dp->ctrl, &dp->top,
dp->planes, (struct dp_lvds_dev *)dp->device);
break;
#endif
#ifdef CONFIG_VIDEO_NX_MIPI
case DP_DEVICE_MIPI:
nx_mipi_display(dp->module,
&dp->sync, &dp->ctrl, &dp->top,
dp->planes, (struct dp_mipi_dev *)dp->device);
break;
#endif
#ifdef CONFIG_VIDEO_NX_HDMI
case DP_DEVICE_HDMI:
nx_hdmi_display(dp->module,
&dp->sync, &dp->ctrl, &dp->top,
dp->planes, (struct dp_hdmi_dev *)dp->device);
break;
#endif
default:
printf("fail : not support lcd type %d !!!\n", dp->dev_type);
goto err_setup;
};
printf("LCD: [%s] dp.%d.%d %dx%d %dbpp FB:0x%08x\n",
dp_dev_str[dp->dev_type], dp->module, dp->fb_plane->layer,
dp->fb_plane->width, dp->fb_plane->height, dp->depth * 8,
dp->fb_addr);
return dp;
err_setup:
kfree(dp);
return NULL;
}
static int nx_display_probe(struct udevice *dev)
{
struct video_uc_plat *uc_plat = dev_get_uclass_plat(dev);
struct video_priv *uc_priv = dev_get_uclass_priv(dev);
struct nx_display_plat *plat = dev_get_plat(dev);
char addr[64];
debug("%s()\n", __func__);
if (!dev)
return -EINVAL;
if (!uc_plat) {
debug("%s(): video_uc_plat *plat == NULL --> return -EINVAL\n",
__func__);
return -EINVAL;
}
if (!uc_priv) {
debug("%s(): video_priv *uc_priv == NULL --> return -EINVAL\n",
__func__);
return -EINVAL;
}
if (!plat) {
debug("%s(): nx_display_plat *plat == NULL --> return -EINVAL\n",
__func__);
return -EINVAL;
}
struct nx_display_dev *dp;
dp = nx_display_setup();
if (!dp) {
debug("%s(): nx_display_setup() == 0 --> return -EINVAL\n",
__func__);
return -EINVAL;
}
switch (dp->depth) {
case 2:
uc_priv->bpix = VIDEO_BPP16;
break;
case 3:
/* There is no VIDEO_BPP24 because these values are of
* type video_log2_bpp
*/
case 4:
uc_priv->bpix = VIDEO_BPP32;
break;
default:
printf("fail : not support LCD bit per pixel %d\n",
dp->depth * 8);
return -EINVAL;
}
uc_priv->xsize = dp->fb_plane->width;
uc_priv->ysize = dp->fb_plane->height;
uc_priv->rot = 0;
/*
* set environment variable "fb_addr" (frame buffer address), required
* for splash image, which is not set if CONFIG_VIDEO is enabled).
*/
sprintf(addr, "0x%x", dp->fb_addr);
debug("%s(): env_set(\"fb_addr\", %s) ...\n", __func__, addr);
env_set("fb_addr", addr);
return 0;
}
static int nx_display_bind(struct udevice *dev)
{
struct video_uc_plat *plat = dev_get_uclass_plat(dev);
debug("%s()\n", __func__);
/* Datasheet S5p4418:
* Resolution up to 2048 x 1280, up to 12 Bit per color (HDMI)
* Actual (max.) size is 0x1000000 because in U-Boot nanopi2-2016.01
* "#define CONFIG_FB_ADDR 0x77000000" and next address is
* "#define BMP_LOAD_ADDR 0x78000000"
*/
plat->size = 0x1000000;
return 0;
}
static const struct udevice_id nx_display_ids[] = {
{.compatible = "nexell,nexell-display", },
{}
};
U_BOOT_DRIVER(nexell_display) = {
.name = "nexell-display",
.id = UCLASS_VIDEO,
.of_match = nx_display_ids,
.plat_auto = sizeof(struct nx_display_plat),
.bind = nx_display_bind,
.probe = nx_display_probe,
.priv_auto = sizeof(struct nx_display_dev),
};