7561633b58
On kailua onwards USB3 DP SSPHY power is control using GDSC. This change adds support to vote for GDSC when displayport driver is active. Change-Id: I2e741f2091018f5dae9a1e7e886179bc6b982d40 Signed-off-by: Vara Reddy <quic_varar@quicinc.com>
70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (c) 2021-2022, Qualcomm Innovation Center, Inc. All rights reserved.
|
|
* Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _DP_POWER_H_
|
|
#define _DP_POWER_H_
|
|
|
|
#include "dp_parser.h"
|
|
#include "dp_pll.h"
|
|
#include "sde_power_handle.h"
|
|
|
|
/**
|
|
* sruct dp_power - DisplayPort's power related data
|
|
*
|
|
* @dp_phy_gdsc: GDSC regulator
|
|
* @init: initializes the regulators/core clocks/GPIOs/pinctrl
|
|
* @deinit: turns off the regulators/core clocks/GPIOs/pinctrl
|
|
* @clk_enable: enable/disable the DP clocks
|
|
* @clk_status: check for clock status
|
|
* @set_pixel_clk_parent: set the parent of DP pixel clock
|
|
* @park_clocks: park all clocks driven by PLL
|
|
* @clk_get_rate: get the current rate for provided clk_name
|
|
* @power_client_init: configures clocks and regulators
|
|
* @power_client_deinit: frees clock and regulator resources
|
|
* @power_mmrm_init: configures mmrm client registration
|
|
*/
|
|
struct dp_power {
|
|
struct drm_device *drm_dev;
|
|
struct sde_power_handle *phandle;
|
|
struct regulator *dp_phy_gdsc;
|
|
int (*init)(struct dp_power *power, bool flip);
|
|
int (*deinit)(struct dp_power *power);
|
|
int (*clk_enable)(struct dp_power *power, enum dp_pm_type pm_type,
|
|
bool enable);
|
|
bool (*clk_status)(struct dp_power *power, enum dp_pm_type pm_type);
|
|
int (*set_pixel_clk_parent)(struct dp_power *power, u32 stream_id);
|
|
int (*park_clocks)(struct dp_power *power);
|
|
u64 (*clk_get_rate)(struct dp_power *power, char *clk_name);
|
|
int (*power_client_init)(struct dp_power *power,
|
|
struct sde_power_handle *phandle,
|
|
struct drm_device *drm_dev);
|
|
void (*power_client_deinit)(struct dp_power *power);
|
|
int (*power_mmrm_init)(struct dp_power *power,
|
|
struct sde_power_handle *phandle, void *dp,
|
|
int (*dp_display_mmrm_callback)(struct mmrm_client_notifier_data *notifier_data));
|
|
};
|
|
|
|
/**
|
|
* dp_power_get() - configure and get the DisplayPort power module data
|
|
*
|
|
* @parser: instance of parser module
|
|
* @pll: instance of pll module
|
|
* return: pointer to allocated power module data
|
|
*
|
|
* This API will configure the DisplayPort's power module and provides
|
|
* methods to be called by the client to configure the power related
|
|
* modueles.
|
|
*/
|
|
struct dp_power *dp_power_get(struct dp_parser *parser, struct dp_pll *pll);
|
|
|
|
/**
|
|
* dp_power_put() - release the power related resources
|
|
*
|
|
* @power: pointer to the power module's data
|
|
*/
|
|
void dp_power_put(struct dp_power *power);
|
|
#endif /* _DP_POWER_H_ */
|