android_kernel_xiaomi_sm8350/msm/dp/dp_hpd.c
Satya Rama Aditya Pinapala aacd9e9585 disp: msm: dp: adding prefix for logs
Adding prefixes for error, debug and info
messages in dp files. To enable debug logs
run "echo 0x100 > /sys/module/drm/parameters/debug"

CRs-Fixed: 2493739
Change-Id: Ibf509e837f527be6bff6b7a1c34b0cde2921b388
Signed-off-by: Satya Rama Aditya Pinapala <psraditya30@codeaurora.org>
2019-07-23 09:14:04 -07:00

99 lines
2.0 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
*/
#include <linux/slab.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include "dp_hpd.h"
#include "dp_usbpd.h"
#include "dp_gpio_hpd.h"
#include "dp_lphw_hpd.h"
#include "dp_debug.h"
static void dp_hpd_host_init(struct dp_hpd *dp_hpd,
struct dp_catalog_hpd *catalog)
{
if (!catalog) {
DP_ERR("invalid input\n");
return;
}
catalog->config_hpd(catalog, true);
}
static void dp_hpd_host_deinit(struct dp_hpd *dp_hpd,
struct dp_catalog_hpd *catalog)
{
if (!catalog) {
DP_ERR("invalid input\n");
return;
}
catalog->config_hpd(catalog, false);
}
static void dp_hpd_isr(struct dp_hpd *dp_hpd)
{
}
struct dp_hpd *dp_hpd_get(struct device *dev, struct dp_parser *parser,
struct dp_catalog_hpd *catalog, struct dp_hpd_cb *cb)
{
struct dp_hpd *dp_hpd;
if (parser->no_aux_switch && parser->lphw_hpd) {
dp_hpd = dp_lphw_hpd_get(dev, parser, catalog, cb);
if (IS_ERR(dp_hpd)) {
DP_ERR("failed to get lphw hpd\n");
return dp_hpd;
}
dp_hpd->type = DP_HPD_LPHW;
} else if (parser->no_aux_switch) {
dp_hpd = dp_gpio_hpd_get(dev, cb);
if (IS_ERR(dp_hpd)) {
DP_ERR("failed to get gpio hpd\n");
return dp_hpd;
}
dp_hpd->type = DP_HPD_GPIO;
} else {
dp_hpd = dp_usbpd_get(dev, cb);
if (IS_ERR(dp_hpd)) {
DP_ERR("failed to get usbpd\n");
return dp_hpd;
}
dp_hpd->type = DP_HPD_USBPD;
}
if (!dp_hpd->host_init)
dp_hpd->host_init = dp_hpd_host_init;
if (!dp_hpd->host_deinit)
dp_hpd->host_deinit = dp_hpd_host_deinit;
if (!dp_hpd->isr)
dp_hpd->isr = dp_hpd_isr;
return dp_hpd;
}
void dp_hpd_put(struct dp_hpd *dp_hpd)
{
if (!dp_hpd)
return;
switch (dp_hpd->type) {
case DP_HPD_USBPD:
dp_usbpd_put(dp_hpd);
break;
case DP_HPD_GPIO:
dp_gpio_hpd_put(dp_hpd);
break;
case DP_HPD_LPHW:
dp_lphw_hpd_put(dp_hpd);
break;
default:
DP_ERR("unknown hpd type %d\n", dp_hpd->type);
break;
}
}