54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef __DISP_DTS_GPIO_H__
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#define __DISP_DTS_GPIO_H__
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#include <linux/platform_device.h> /* struct platform_device */
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/* DTS state */
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enum DTS_GPIO_STATE {
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DTS_GPIO_STATE_LCD_BIAS_ENP1 = 0,
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DTS_GPIO_STATE_LCD_BIAS_ENP0,
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DTS_GPIO_STATE_LCD_BIAS_ENN1,
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DTS_GPIO_STATE_LCD_BIAS_ENN0,
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DTS_GPIO_STATE_LCM_RST_OUT1,
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DTS_GPIO_STATE_LCM_RST_OUT0,
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DTS_GPIO_STATE_LCM1_RST_OUT1,
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DTS_GPIO_STATE_LCM1_RST_OUT0,
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DTS_GPIO_STATE_TP_RST_OUT1,
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DTS_GPIO_STATE_TP_RST_OUT0,
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DTS_GPIO_STATE_TE_MODE_GPIO, /* mode_te_gpio */
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DTS_GPIO_STATE_TE_MODE_TE, /* mode_te_te */
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DTS_GPIO_STATE_TE1_MODE_TE, /* mode_te1_te */
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DTS_GPIO_STATE_MAX, /* for array size */
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};
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/* this function MUST be called in mtkfb_probe.
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* @param *pdev - reference of struct platform_device which contains pinctrl
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* state information of GPIO
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* @return - 0 for OK, otherwise returns PTR_ERR(pdev).
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*/
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long disp_dts_gpio_init(struct platform_device *pdev);
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/* set gpio according sepcified DTS state.
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* @notice - to call this function, you MUST init this module first.
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* If not, we will trigger BUG_ON(0).
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* @param s - state which describes GPIO statement.
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* @return - 0 for OK, otherwise returns PTR_ERR(pdev).
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*/
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long disp_dts_gpio_select_state(enum DTS_GPIO_STATE s);
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/* repo of initialization */
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#ifdef CONFIG_MTK_LEGACY
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#define disp_dts_gpio_init_repo(x) (0)
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#else
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#define disp_dts_gpio_init_repo(x) (disp_dts_gpio_init(x))
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#endif
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#endif/*__DISP_DTS_GPIO_H__ */
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