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disp: msm: dsi: snapshot of dsi from 4.14 to 4.19

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This change is a snapshot of dsi files taken of 4.14
as of commit 764f7c2 (Merge remote-tracking branch
'quic/dev/msm-4.14-display' into msm-4.14)

Change-Id: I8361a844c35a4450f7800964a8da2741676fd6c7
Signed-off-by: Satya Rama Aditya Pinapala <psraditya30@codeaurora.org>
This commit is contained in:
Satya Rama Aditya Pinapala
2019-05-23 09:48:41 -07:00
committed by Gerrit - the friendly Code Review server
parent 91f4bcda9d
commit edef6ae040
21 changed files with 632 additions and 171 deletions
Download Patch File Download Diff File Expand all files Collapse all files

208
msm/dsi/dsi_panel.c
View File

@@ -8,6 +8,7 @@
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <linux/pwm.h>
#include <video/mipi_display.h>
#include "dsi_panel.h"
@@ -587,17 +588,16 @@ error:
static int dsi_panel_wled_register(struct dsi_panel *panel,
struct dsi_backlight_config *bl)
{
int rc = 0;
struct backlight_device *bd;
bd = backlight_device_get_by_type(BACKLIGHT_RAW);
if (!bd) {
pr_err("[%s] fail raw backlight register\n", panel->name);
rc = -EINVAL;
return -EPROBE_DEFER;
}
bl->raw_bd = bd;
return rc;
return 0;
}
static int dsi_panel_update_backlight(struct dsi_panel *panel,
@@ -620,6 +620,57 @@ static int dsi_panel_update_backlight(struct dsi_panel *panel,
return rc;
}
static int dsi_panel_update_pwm_backlight(struct dsi_panel *panel,
u32 bl_lvl)
{
int rc = 0;
u32 duty = 0;
u32 period_ns = 0;
struct dsi_backlight_config *bl;
if (!panel) {
pr_err("Invalid Params\n");
return -EINVAL;
}
bl = &panel->bl_config;
if (!bl->pwm_bl) {
pr_err("pwm device not found\n");
return -EINVAL;
}
period_ns = bl->pwm_period_usecs * NSEC_PER_USEC;
duty = bl_lvl * period_ns;
duty /= bl->bl_max_level;
rc = pwm_config(bl->pwm_bl, duty, period_ns);
if (rc) {
pr_err("[%s] failed to change pwm config, rc=\n", panel->name,
rc);
goto error;
}
if (bl_lvl == 0 && bl->pwm_enabled) {
pwm_disable(bl->pwm_bl);
bl->pwm_enabled = false;
return 0;
}
if (!bl->pwm_enabled) {
rc = pwm_enable(bl->pwm_bl);
if (rc) {
pr_err("[%s] failed to enable pwm, rc=\n", panel->name,
rc);
goto error;
}
bl->pwm_enabled = true;
}
error:
return rc;
}
int dsi_panel_set_backlight(struct dsi_panel *panel, u32 bl_lvl)
{
int rc = 0;
@@ -638,6 +689,9 @@ int dsi_panel_set_backlight(struct dsi_panel *panel, u32 bl_lvl)
break;
case DSI_BACKLIGHT_EXTERNAL:
break;
case DSI_BACKLIGHT_PWM:
rc = dsi_panel_update_pwm_backlight(panel, bl_lvl);
break;
default:
pr_err("Backlight type(%d) not supported\n", bl->type);
rc = -ENOTSUPP;
@@ -662,6 +716,7 @@ static u32 dsi_panel_get_brightness(struct dsi_backlight_config *bl)
break;
case DSI_BACKLIGHT_DCS:
case DSI_BACKLIGHT_EXTERNAL:
case DSI_BACKLIGHT_PWM:
default:
/*
* Ideally, we should read the backlight level from the
@@ -681,6 +736,22 @@ void dsi_panel_bl_handoff(struct dsi_panel *panel)
bl->bl_level = dsi_panel_get_brightness(bl);
}
static int dsi_panel_pwm_register(struct dsi_panel *panel)
{
int rc = 0;
struct dsi_backlight_config *bl = &panel->bl_config;
bl->pwm_bl = devm_of_pwm_get(panel->parent, panel->panel_of_node, NULL);
if (IS_ERR_OR_NULL(bl->pwm_bl)) {
rc = PTR_ERR(bl->pwm_bl);
pr_err("[%s] failed to request pwm, rc=%d\n", panel->name,
rc);
return rc;
}
return 0;
}
static int dsi_panel_bl_register(struct dsi_panel *panel)
{
int rc = 0;
@@ -697,6 +768,9 @@ static int dsi_panel_bl_register(struct dsi_panel *panel)
break;
case DSI_BACKLIGHT_EXTERNAL:
break;
case DSI_BACKLIGHT_PWM:
rc = dsi_panel_pwm_register(panel);
break;
default:
pr_err("Backlight type(%d) not supported\n", bl->type);
rc = -ENOTSUPP;
@@ -707,6 +781,13 @@ error:
return rc;
}
static void dsi_panel_pwm_unregister(struct dsi_panel *panel)
{
struct dsi_backlight_config *bl = &panel->bl_config;
devm_pwm_put(panel->parent, bl->pwm_bl);
}
static int dsi_panel_bl_unregister(struct dsi_panel *panel)
{
int rc = 0;
@@ -722,6 +803,9 @@ static int dsi_panel_bl_unregister(struct dsi_panel *panel)
break;
case DSI_BACKLIGHT_EXTERNAL:
break;
case DSI_BACKLIGHT_PWM:
dsi_panel_pwm_unregister(panel);
break;
default:
pr_err("Backlight type(%d) not supported\n", bl->type);
rc = -ENOTSUPP;
@@ -1085,6 +1169,44 @@ static int dsi_panel_parse_misc_host_config(struct dsi_host_common_cfg *host,
return 0;
}
static void dsi_panel_parse_split_link_config(struct dsi_host_common_cfg *host,
struct dsi_parser_utils *utils,
const char *name)
{
int rc = 0;
u32 val = 0;
bool supported = false;
struct dsi_split_link_config *split_link = &host->split_link;
supported = utils->read_bool(utils->data, "qcom,split-link-enabled");
if (!supported) {
pr_debug("[%s] Split link is not supported\n", name);
split_link->split_link_enabled = false;
return;
}
rc = utils->read_u32(utils->data, "qcom,sublinks-count", &val);
if (rc || val < 1) {
pr_debug("[%s] Using default sublinks count\n", name);
split_link->num_sublinks = 2;
} else {
split_link->num_sublinks = val;
}
rc = utils->read_u32(utils->data, "qcom,lanes-per-sublink", &val);
if (rc || val < 1) {
pr_debug("[%s] Using default lanes per sublink\n", name);
split_link->lanes_per_sublink = 2;
} else {
split_link->lanes_per_sublink = val;
}
pr_debug("[%s] Split link is supported %d-%d\n", name,
split_link->num_sublinks, split_link->lanes_per_sublink);
split_link->split_link_enabled = true;
}
static int dsi_panel_parse_host_config(struct dsi_panel *panel)
{
int rc = 0;
@@ -1130,6 +1252,9 @@ static int dsi_panel_parse_host_config(struct dsi_panel *panel)
goto error;
}
dsi_panel_parse_split_link_config(&panel->host_config, utils,
panel->name);
error:
return rc;
}
@@ -2021,34 +2146,14 @@ static int dsi_panel_parse_bl_pwm_config(struct dsi_panel *panel)
struct dsi_backlight_config *config = &panel->bl_config;
struct dsi_parser_utils *utils = &panel->utils;
rc = utils->read_u32(utils->data, "qcom,dsi-bl-pmic-bank-select",
rc = utils->read_u32(utils->data, "qcom,bl-pmic-pwm-period-usecs",
&val);
if (rc) {
pr_err("bl-pmic-bank-select is not defined, rc=%d\n", rc);
goto error;
}
config->pwm_pmic_bank = val;
rc = utils->read_u32(utils->data, "qcom,dsi-bl-pmic-pwm-frequency",
&val);
if (rc) {
pr_err("bl-pmic-bank-select is not defined, rc=%d\n", rc);
pr_err("bl-pmic-pwm-period-usecs is not defined, rc=%d\n", rc);
goto error;
}
config->pwm_period_usecs = val;
config->pwm_pmi_control = utils->read_bool(utils->data,
"qcom,mdss-dsi-bl-pwm-pmi");
config->pwm_gpio = utils->get_named_gpio(utils->data,
"qcom,mdss-dsi-pwm-gpio",
0);
if (!gpio_is_valid(config->pwm_gpio)) {
pr_err("pwm gpio is invalid\n");
rc = -EINVAL;
goto error;
}
error:
return rc;
}
@@ -2139,9 +2244,17 @@ static int dsi_panel_parse_bl_config(struct dsi_panel *panel)
"qcom,platform-bklight-en-gpio",
0);
if (!gpio_is_valid(panel->bl_config.en_gpio)) {
pr_debug("[%s] failed get bklt gpio, rc=%d\n", panel->name, rc);
rc = 0;
goto error;
if (panel->bl_config.en_gpio == -EPROBE_DEFER) {
pr_debug("[%s] failed to get bklt gpio, rc=%d\n",
panel->name, rc);
rc = -EPROBE_DEFER;
goto error;
} else {
pr_debug("[%s] failed to get bklt gpio, rc=%d\n",
panel->name, rc);
rc = 0;
goto error;
}
}
error:
@@ -2341,12 +2454,16 @@ int dsi_dsc_populate_static_param(struct msm_display_dsc_info *dsc)
static int dsi_panel_parse_phy_timing(struct dsi_display_mode *mode,
struct dsi_parser_utils *utils)
struct dsi_parser_utils *utils)
{
const char *data;
u32 len, i;
int rc = 0;
struct dsi_display_mode_priv_info *priv_info;
struct dsi_mode_info *timing = NULL;
if (!mode || !mode->priv_info)
return -EINVAL;
priv_info = mode->priv_info;
@@ -2366,9 +2483,11 @@ static int dsi_panel_parse_phy_timing(struct dsi_display_mode *mode,
priv_info->phy_timing_len = len;
}
mode->pixel_clk_khz = (DSI_H_TOTAL_DSC(&mode->timing) *
DSI_V_TOTAL(&mode->timing) *
mode->timing.refresh_rate) / 1000;
timing = &mode->timing;
mode->pixel_clk_khz = (DSI_H_TOTAL(&mode->timing) *
DSI_V_TOTAL(&mode->timing) *
mode->timing.refresh_rate) / 1000;
return rc;
}
@@ -3111,9 +3230,11 @@ struct dsi_panel *dsi_panel_get(struct device *parent,
pr_err("failed to parse power config, rc=%d\n", rc);
rc = dsi_panel_parse_bl_config(panel);
if (rc)
if (rc) {
pr_err("failed to parse backlight config, rc=%d\n", rc);
if (rc == -EPROBE_DEFER)
goto error;
}
rc = dsi_panel_parse_misc_features(panel);
if (rc)
@@ -3637,10 +3758,14 @@ int dsi_panel_set_lp1(struct dsi_panel *panel)
}
mutex_lock(&panel->panel_lock);
if (!panel->panel_initialized)
goto exit;
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_LP1);
if (rc)
pr_err("[%s] failed to send DSI_CMD_SET_LP1 cmd, rc=%d\n",
panel->name, rc);
exit:
mutex_unlock(&panel->panel_lock);
return rc;
}
@@ -3655,10 +3780,14 @@ int dsi_panel_set_lp2(struct dsi_panel *panel)
}
mutex_lock(&panel->panel_lock);
if (!panel->panel_initialized)
goto exit;
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_LP2);
if (rc)
pr_err("[%s] failed to send DSI_CMD_SET_LP2 cmd, rc=%d\n",
panel->name, rc);
exit:
mutex_unlock(&panel->panel_lock);
return rc;
}
@@ -3673,10 +3802,14 @@ int dsi_panel_set_nolp(struct dsi_panel *panel)
}
mutex_lock(&panel->panel_lock);
if (!panel->panel_initialized)
goto exit;
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_NOLP);
if (rc)
pr_err("[%s] failed to send DSI_CMD_SET_NOLP cmd, rc=%d\n",
panel->name, rc);
exit:
mutex_unlock(&panel->panel_lock);
return rc;
}
@@ -3868,6 +4001,7 @@ int dsi_panel_send_roi_dcs(struct dsi_panel *panel, int ctrl_idx,
mutex_unlock(&panel->panel_lock);
dsi_panel_destroy_cmd_packets(set);
dsi_panel_dealloc_cmd_packets(set);
return rc;
}
@@ -4004,11 +4138,11 @@ int dsi_panel_enable(struct dsi_panel *panel)
mutex_lock(&panel->panel_lock);
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_ON);
if (rc) {
if (rc)
pr_err("[%s] failed to send DSI_CMD_SET_ON cmds, rc=%d\n",
panel->name, rc);
}
panel->panel_initialized = true;
else
panel->panel_initialized = true;
mutex_unlock(&panel->panel_lock);
return rc;
}