xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/mediatek/mtk_mipi_tx.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (c) 2019 MediaTek Inc.
4*4882a593Smuzhiyun  * Author: Jitao Shi <jitao.shi@mediatek.com>
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef _MTK_MIPI_TX_H
8*4882a593Smuzhiyun #define _MTK_MIPI_TX_H
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include <linux/clk.h>
11*4882a593Smuzhiyun #include <linux/clk-provider.h>
12*4882a593Smuzhiyun #include <linux/delay.h>
13*4882a593Smuzhiyun #include <linux/io.h>
14*4882a593Smuzhiyun #include <linux/module.h>
15*4882a593Smuzhiyun #include <linux/nvmem-consumer.h>
16*4882a593Smuzhiyun #include <linux/of_device.h>
17*4882a593Smuzhiyun #include <linux/platform_device.h>
18*4882a593Smuzhiyun #include <linux/phy/phy.h>
19*4882a593Smuzhiyun #include <linux/slab.h>
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun struct mtk_mipitx_data {
22*4882a593Smuzhiyun 	const u32 mppll_preserve;
23*4882a593Smuzhiyun 	const struct clk_ops *mipi_tx_clk_ops;
24*4882a593Smuzhiyun 	void (*mipi_tx_enable_signal)(struct phy *phy);
25*4882a593Smuzhiyun 	void (*mipi_tx_disable_signal)(struct phy *phy);
26*4882a593Smuzhiyun };
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun struct mtk_mipi_tx {
29*4882a593Smuzhiyun 	struct device *dev;
30*4882a593Smuzhiyun 	void __iomem *regs;
31*4882a593Smuzhiyun 	u32 data_rate;
32*4882a593Smuzhiyun 	u32 mipitx_drive;
33*4882a593Smuzhiyun 	u32 rt_code[5];
34*4882a593Smuzhiyun 	const struct mtk_mipitx_data *driver_data;
35*4882a593Smuzhiyun 	struct clk_hw pll_hw;
36*4882a593Smuzhiyun 	struct clk *pll;
37*4882a593Smuzhiyun };
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun struct mtk_mipi_tx *mtk_mipi_tx_from_clk_hw(struct clk_hw *hw);
40*4882a593Smuzhiyun void mtk_mipi_tx_clear_bits(struct mtk_mipi_tx *mipi_tx, u32 offset, u32 bits);
41*4882a593Smuzhiyun void mtk_mipi_tx_set_bits(struct mtk_mipi_tx *mipi_tx, u32 offset, u32 bits);
42*4882a593Smuzhiyun void mtk_mipi_tx_update_bits(struct mtk_mipi_tx *mipi_tx, u32 offset, u32 mask,
43*4882a593Smuzhiyun 			     u32 data);
44*4882a593Smuzhiyun int mtk_mipi_tx_pll_set_rate(struct clk_hw *hw, unsigned long rate,
45*4882a593Smuzhiyun 			     unsigned long parent_rate);
46*4882a593Smuzhiyun unsigned long mtk_mipi_tx_pll_recalc_rate(struct clk_hw *hw,
47*4882a593Smuzhiyun 					  unsigned long parent_rate);
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun extern const struct mtk_mipitx_data mt2701_mipitx_data;
50*4882a593Smuzhiyun extern const struct mtk_mipitx_data mt8173_mipitx_data;
51*4882a593Smuzhiyun extern const struct mtk_mipitx_data mt8183_mipitx_data;
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #endif
54