]> Git Repo - linux.git/blob - drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h
Merge tag 'drm-for-v4.17' of git://people.freedesktop.org/~airlied/linux
[linux.git] / drivers / gpu / drm / sun4i / sun8i_dw_hdmi.h
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2018 Jernej Skrabec <[email protected]>
4  */
5
6 #ifndef _SUN8I_DW_HDMI_H_
7 #define _SUN8I_DW_HDMI_H_
8
9 #include <drm/bridge/dw_hdmi.h>
10 #include <drm/drm_encoder.h>
11 #include <linux/clk.h>
12 #include <linux/regmap.h>
13 #include <linux/reset.h>
14
15 #define SUN8I_HDMI_PHY_DBG_CTRL_REG     0x0000
16 #define SUN8I_HDMI_PHY_DBG_CTRL_PX_LOCK         BIT(0)
17 #define SUN8I_HDMI_PHY_DBG_CTRL_POL_MASK        GENMASK(15, 8)
18 #define SUN8I_HDMI_PHY_DBG_CTRL_POL_NHSYNC      BIT(8)
19 #define SUN8I_HDMI_PHY_DBG_CTRL_POL_NVSYNC      BIT(9)
20 #define SUN8I_HDMI_PHY_DBG_CTRL_ADDR_MASK       GENMASK(23, 16)
21 #define SUN8I_HDMI_PHY_DBG_CTRL_ADDR(addr)      (addr << 16)
22
23 #define SUN8I_HDMI_PHY_REXT_CTRL_REG    0x0004
24 #define SUN8I_HDMI_PHY_REXT_CTRL_REXT_EN        BIT(31)
25
26 #define SUN8I_HDMI_PHY_READ_EN_REG      0x0010
27 #define SUN8I_HDMI_PHY_READ_EN_MAGIC            0x54524545
28
29 #define SUN8I_HDMI_PHY_UNSCRAMBLE_REG   0x0014
30 #define SUN8I_HDMI_PHY_UNSCRAMBLE_MAGIC         0x42494E47
31
32 #define SUN8I_HDMI_PHY_ANA_CFG1_REG     0x0020
33 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_SWI         BIT(31)
34 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_PWEND       BIT(30)
35 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_PWENC       BIT(29)
36 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_CALSW       BIT(28)
37 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_SVRCAL(x)   ((x) << 26)
38 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_SVBH(x)     ((x) << 24)
39 #define SUN8I_HDMI_PHY_ANA_CFG1_AMP_OPT         BIT(23)
40 #define SUN8I_HDMI_PHY_ANA_CFG1_EMP_OPT         BIT(22)
41 #define SUN8I_HDMI_PHY_ANA_CFG1_AMPCK_OPT       BIT(21)
42 #define SUN8I_HDMI_PHY_ANA_CFG1_EMPCK_OPT       BIT(20)
43 #define SUN8I_HDMI_PHY_ANA_CFG1_ENRCAL          BIT(19)
44 #define SUN8I_HDMI_PHY_ANA_CFG1_ENCALOG         BIT(18)
45 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_SCKTMDS     BIT(17)
46 #define SUN8I_HDMI_PHY_ANA_CFG1_TMDSCLK_EN      BIT(16)
47 #define SUN8I_HDMI_PHY_ANA_CFG1_TXEN_MASK       GENMASK(15, 12)
48 #define SUN8I_HDMI_PHY_ANA_CFG1_TXEN_ALL        (0xf << 12)
49 #define SUN8I_HDMI_PHY_ANA_CFG1_BIASEN_TMDSCLK  BIT(11)
50 #define SUN8I_HDMI_PHY_ANA_CFG1_BIASEN_TMDS2    BIT(10)
51 #define SUN8I_HDMI_PHY_ANA_CFG1_BIASEN_TMDS1    BIT(9)
52 #define SUN8I_HDMI_PHY_ANA_CFG1_BIASEN_TMDS0    BIT(8)
53 #define SUN8I_HDMI_PHY_ANA_CFG1_ENP2S_TMDSCLK   BIT(7)
54 #define SUN8I_HDMI_PHY_ANA_CFG1_ENP2S_TMDS2     BIT(6)
55 #define SUN8I_HDMI_PHY_ANA_CFG1_ENP2S_TMDS1     BIT(5)
56 #define SUN8I_HDMI_PHY_ANA_CFG1_ENP2S_TMDS0     BIT(4)
57 #define SUN8I_HDMI_PHY_ANA_CFG1_CKEN            BIT(3)
58 #define SUN8I_HDMI_PHY_ANA_CFG1_LDOEN           BIT(2)
59 #define SUN8I_HDMI_PHY_ANA_CFG1_ENVBS           BIT(1)
60 #define SUN8I_HDMI_PHY_ANA_CFG1_ENBI            BIT(0)
61
62 #define SUN8I_HDMI_PHY_ANA_CFG2_REG     0x0024
63 #define SUN8I_HDMI_PHY_ANA_CFG2_M_EN            BIT(31)
64 #define SUN8I_HDMI_PHY_ANA_CFG2_PLLDBEN         BIT(30)
65 #define SUN8I_HDMI_PHY_ANA_CFG2_SEN             BIT(29)
66 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_HPDPD       BIT(28)
67 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_HPDEN       BIT(27)
68 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_PLRCK       BIT(26)
69 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_PLR(x)      ((x) << 23)
70 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_DENCK       BIT(22)
71 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_DEN         BIT(21)
72 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_CD(x)       ((x) << 19)
73 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_CKSS(x)     ((x) << 17)
74 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_BIGSWCK     BIT(16)
75 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_BIGSW       BIT(15)
76 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_CSMPS(x)    ((x) << 13)
77 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_SLV(x)      ((x) << 10)
78 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_BOOSTCK(x)  ((x) << 8)
79 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_BOOST(x)    ((x) << 6)
80 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_RESDI(x)    ((x) << 0)
81
82 #define SUN8I_HDMI_PHY_ANA_CFG3_REG     0x0028
83 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_SLOWCK(x)   ((x) << 30)
84 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_SLOW(x)     ((x) << 28)
85 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_WIRE(x)     ((x) << 18)
86 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_AMPCK(x)    ((x) << 14)
87 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_EMPCK(x)    ((x) << 11)
88 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_AMP(x)      ((x) << 7)
89 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_EMP(x)      ((x) << 4)
90 #define SUN8I_HDMI_PHY_ANA_CFG3_SDAPD           BIT(3)
91 #define SUN8I_HDMI_PHY_ANA_CFG3_SDAEN           BIT(2)
92 #define SUN8I_HDMI_PHY_ANA_CFG3_SCLPD           BIT(1)
93 #define SUN8I_HDMI_PHY_ANA_CFG3_SCLEN           BIT(0)
94
95 #define SUN8I_HDMI_PHY_PLL_CFG1_REG     0x002c
96 #define SUN8I_HDMI_PHY_PLL_CFG1_REG_OD1         BIT(31)
97 #define SUN8I_HDMI_PHY_PLL_CFG1_REG_OD          BIT(30)
98 #define SUN8I_HDMI_PHY_PLL_CFG1_LDO2_EN         BIT(29)
99 #define SUN8I_HDMI_PHY_PLL_CFG1_LDO1_EN         BIT(28)
100 #define SUN8I_HDMI_PHY_PLL_CFG1_HV_IS_33        BIT(27)
101 #define SUN8I_HDMI_PHY_PLL_CFG1_CKIN_SEL        BIT(26)
102 #define SUN8I_HDMI_PHY_PLL_CFG1_PLLEN           BIT(25)
103 #define SUN8I_HDMI_PHY_PLL_CFG1_LDO_VSET(x)     ((x) << 22)
104 #define SUN8I_HDMI_PHY_PLL_CFG1_UNKNOWN(x)      ((x) << 20)
105 #define SUN8I_HDMI_PHY_PLL_CFG1_PLLDBEN         BIT(19)
106 #define SUN8I_HDMI_PHY_PLL_CFG1_CS              BIT(18)
107 #define SUN8I_HDMI_PHY_PLL_CFG1_CP_S(x)         ((x) << 13)
108 #define SUN8I_HDMI_PHY_PLL_CFG1_CNT_INT(x)      ((x) << 7)
109 #define SUN8I_HDMI_PHY_PLL_CFG1_BWS             BIT(6)
110 #define SUN8I_HDMI_PHY_PLL_CFG1_B_IN_MSK        GENMASK(5, 0)
111 #define SUN8I_HDMI_PHY_PLL_CFG1_B_IN_SHIFT      0
112
113 #define SUN8I_HDMI_PHY_PLL_CFG2_REG     0x0030
114 #define SUN8I_HDMI_PHY_PLL_CFG2_SV_H            BIT(31)
115 #define SUN8I_HDMI_PHY_PLL_CFG2_PDCLKSEL(x)     ((x) << 29)
116 #define SUN8I_HDMI_PHY_PLL_CFG2_CLKSTEP(x)      ((x) << 27)
117 #define SUN8I_HDMI_PHY_PLL_CFG2_PSET(x)         ((x) << 24)
118 #define SUN8I_HDMI_PHY_PLL_CFG2_PCLK_SEL        BIT(23)
119 #define SUN8I_HDMI_PHY_PLL_CFG2_AUTOSYNC_DIS    BIT(22)
120 #define SUN8I_HDMI_PHY_PLL_CFG2_VREG2_OUT_EN    BIT(21)
121 #define SUN8I_HDMI_PHY_PLL_CFG2_VREG1_OUT_EN    BIT(20)
122 #define SUN8I_HDMI_PHY_PLL_CFG2_VCOGAIN_EN      BIT(19)
123 #define SUN8I_HDMI_PHY_PLL_CFG2_VCOGAIN(x)      ((x) << 16)
124 #define SUN8I_HDMI_PHY_PLL_CFG2_VCO_S(x)        ((x) << 12)
125 #define SUN8I_HDMI_PHY_PLL_CFG2_VCO_RST_IN      BIT(11)
126 #define SUN8I_HDMI_PHY_PLL_CFG2_SINT_FRAC       BIT(10)
127 #define SUN8I_HDMI_PHY_PLL_CFG2_SDIV2           BIT(9)
128 #define SUN8I_HDMI_PHY_PLL_CFG2_S(x)            ((x) << 6)
129 #define SUN8I_HDMI_PHY_PLL_CFG2_S6P25_7P5       BIT(5)
130 #define SUN8I_HDMI_PHY_PLL_CFG2_S5_7            BIT(4)
131 #define SUN8I_HDMI_PHY_PLL_CFG2_PREDIV_MSK      GENMASK(3, 0)
132 #define SUN8I_HDMI_PHY_PLL_CFG2_PREDIV_SHIFT    0
133 #define SUN8I_HDMI_PHY_PLL_CFG2_PREDIV(x)       (((x) - 1) << 0)
134
135 #define SUN8I_HDMI_PHY_PLL_CFG3_REG     0x0034
136 #define SUN8I_HDMI_PHY_PLL_CFG3_SOUT_DIV2       BIT(0)
137
138 #define SUN8I_HDMI_PHY_ANA_STS_REG      0x0038
139 #define SUN8I_HDMI_PHY_ANA_STS_B_OUT_SHIFT      11
140 #define SUN8I_HDMI_PHY_ANA_STS_B_OUT_MSK        GENMASK(16, 11)
141 #define SUN8I_HDMI_PHY_ANA_STS_RCALEND2D        BIT(7)
142 #define SUN8I_HDMI_PHY_ANA_STS_RCAL_MASK        GENMASK(5, 0)
143
144 #define SUN8I_HDMI_PHY_CEC_REG          0x003c
145
146 struct sun8i_hdmi_phy;
147
148 struct sun8i_hdmi_phy_variant {
149         bool has_phy_clk;
150         void (*phy_init)(struct sun8i_hdmi_phy *phy);
151         void (*phy_disable)(struct dw_hdmi *hdmi,
152                             struct sun8i_hdmi_phy *phy);
153         int  (*phy_config)(struct dw_hdmi *hdmi,
154                            struct sun8i_hdmi_phy *phy,
155                            unsigned int clk_rate);
156 };
157
158 struct sun8i_hdmi_phy {
159         struct clk                      *clk_bus;
160         struct clk                      *clk_mod;
161         struct clk                      *clk_phy;
162         struct clk                      *clk_pll0;
163         unsigned int                    rcal;
164         struct regmap                   *regs;
165         struct reset_control            *rst_phy;
166         struct sun8i_hdmi_phy_variant   *variant;
167 };
168
169 struct sun8i_dw_hdmi {
170         struct clk                      *clk_tmds;
171         struct device                   *dev;
172         struct dw_hdmi                  *hdmi;
173         struct drm_encoder              encoder;
174         struct sun8i_hdmi_phy           *phy;
175         struct dw_hdmi_plat_data        plat_data;
176         struct reset_control            *rst_ctrl;
177 };
178
179 static inline struct sun8i_dw_hdmi *
180 encoder_to_sun8i_dw_hdmi(struct drm_encoder *encoder)
181 {
182         return container_of(encoder, struct sun8i_dw_hdmi, encoder);
183 }
184
185 int sun8i_hdmi_phy_probe(struct sun8i_dw_hdmi *hdmi, struct device_node *node);
186 void sun8i_hdmi_phy_remove(struct sun8i_dw_hdmi *hdmi);
187
188 void sun8i_hdmi_phy_init(struct sun8i_hdmi_phy *phy);
189 const struct dw_hdmi_phy_ops *sun8i_hdmi_phy_get_ops(void);
190
191 int sun8i_phy_clk_create(struct sun8i_hdmi_phy *phy, struct device *dev);
192
193 #endif /* _SUN8I_DW_HDMI_H_ */
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