samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

disp: msm: dsi: expand dsi_parser hooks

Browse Source 
Implement and add additional dsi parser hooks
for parsing firmware panel data.

Change-Id: If06eb63b754ffce447b56ac6b22955f64e031779
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
This commit is contained in:
Jeykumar Sankaran
2021-02-10 13:14:27 -08:00
committed by Gerrit - the friendly Code Review server
parent 8b7ed7dc0c
commit 4339422849
2 changed files with 66 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
msm/dsi/dsi_parser.c
View File

@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
*/
#include <linux/delay.h>
@@ -596,6 +596,49 @@ end:
return rc;
}
int dsi_parser_read_u32_index(const struct device_node *np,
const char *propname, u32 index, u32 *out_value)
{
struct dsi_parser_node *node = (struct dsi_parser_node *)np;
struct dsi_parser_prop *prop;
char *property, *to_int, item[SZ_128];
int rc = 0, base;
prop = dsi_parser_search_property(node, propname);
if (!prop) {
DSI_DEBUG("%s not found\n", propname);
rc = -EINVAL;
goto end;
}
if (index >= prop->len) {
rc = -EINVAL;
goto end;
}
strlcpy(item, prop->items[index], SZ_128);
property = item;
to_int = strsep(&property, "x");
if (!property) {
property = to_int;
base = 10;
} else {
base = 16;
}
rc = kstrtoint(property, base, out_value);
if (rc) {
DSI_ERR("prop=%s error(%d) converting %s, base=%d\n",
propname, rc, property, base);
goto end;
}
DSI_DEBUG("%s=%d\n", propname, *out_value);
end:
return rc;
}
int dsi_parser_read_u32_array(const struct device_node *np,
const char *propname,
u32 *out_values, size_t sz)

23
msm/dsi/dsi_parser.h
View File

@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
*/
#ifndef _DSI_PARSER_H_
@@ -24,6 +24,8 @@ int dsi_parser_read_u64(const struct device_node *np, const char *propname,
u64 *out_value);
int dsi_parser_read_u32(const struct device_node *np,
const char *propname, u32 *out_value);
int dsi_parser_read_u32_index(const struct device_node *np,
const char *propname, u32 index, u32 *out_value);
int dsi_parser_read_u32_array(const struct device_node *np,
const char *propname,
u32 *out_values, size_t sz);
@@ -90,6 +92,12 @@ static inline int dsi_parser_read_u32(const struct device_node *np,
return -ENODEV;
}
int dsi_parser_read_u32_index(const struct device_node *np,
const char *propname, u32 index, u32 *out_value)
{
return -ENODEV;
}
static inline int dsi_parser_read_u32_array(const struct device_node *np,
const char *propname, u32 *out_values, size_t sz)
{
@@ -170,12 +178,17 @@ struct dsi_parser_utils {
const char *propname, u64 *out_value);
int (*read_u32)(const struct device_node *np,
const char *propname, u32 *out_value);
int (*read_u32_index)(const struct device_node *np,
const char *propname, u32 index, u32 *out_value);
bool (*read_bool)(const struct device_node *np,
const char *propname);
int (*read_u32_array)(const struct device_node *np,
const char *propname, u32 *out_values, size_t sz);
int (*read_string)(const struct device_node *np, const char *propname,
const char **out_string);
int (*read_string_index)(const struct device_node *np,
const char *propname,
int index, const char **output);
struct device_node *(*get_child_by_name)(
const struct device_node *node,
const char *name);
@@ -186,6 +199,8 @@ struct dsi_parser_utils {
struct device_node *prev);
int (*count_u32_elems)(const struct device_node *np,
const char *propname);
int (*count_strings)(const struct device_node *np,
const char *propname);
int (*get_named_gpio)(struct device_node *np,
const char *propname, int index);
int (*get_available_child_count)(const struct device_node *np);
@@ -198,14 +213,17 @@ static inline struct dsi_parser_utils *dsi_parser_get_of_utils(void)
.read_bool = of_property_read_bool,
.read_u64 = of_property_read_u64,
.read_u32 = of_property_read_u32,
.read_u32_index = of_property_read_u32_index,
.read_u32_array = of_property_read_u32_array,
.read_string = of_property_read_string,
.read_string_index = of_property_read_string_index,
.get_child_by_name = of_get_child_by_name,
.get_child_count = of_get_child_count,
.get_available_child_count = of_get_available_child_count,
.find_property = of_find_property,
.get_next_child = of_get_next_child,
.count_u32_elems = of_property_count_u32_elems,
.count_strings = of_property_count_strings,
.get_named_gpio = of_get_named_gpio,
};
@@ -219,14 +237,17 @@ static inline struct dsi_parser_utils *dsi_parser_get_parser_utils(void)
.read_bool = dsi_parser_read_bool,
.read_u64 = dsi_parser_read_u64,
.read_u32 = dsi_parser_read_u32,
.read_u32_index = dsi_parser_read_u32_index,
.read_u32_array = dsi_parser_read_u32_array,
.read_string = dsi_parser_read_string,
.read_string_index = dsi_parser_read_string_index,
.get_child_by_name = dsi_parser_get_child_by_name,
.get_child_count = dsi_parser_get_child_count,
.get_available_child_count = dsi_parser_get_child_count,
.find_property = dsi_parser_find_property,
.get_next_child = dsi_parser_get_next_child,
.count_u32_elems = dsi_parser_count_u32_elems,
.count_strings = dsi_parser_count_strings,
.get_named_gpio = dsi_parser_get_named_gpio,
};