Merge remote-tracking branch 'torvalds/master' into perf/core
[linux-2.6-microblaze.git] / drivers / gpu / drm / sun4i / sun8i_dw_hdmi.h
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2018 Jernej Skrabec <jernej.skrabec@siol.net>
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/gpio/consumer.h>
13 #include <linux/regmap.h>
14 #include <linux/regulator/consumer.h>
15 #include <linux/reset.h>
16
17 #define SUN8I_HDMI_PHY_DBG_CTRL_REG     0x0000
18 #define SUN8I_HDMI_PHY_DBG_CTRL_PX_LOCK         BIT(0)
19 #define SUN8I_HDMI_PHY_DBG_CTRL_POL_MASK        GENMASK(15, 8)
20 #define SUN8I_HDMI_PHY_DBG_CTRL_POL_NHSYNC      BIT(8)
21 #define SUN8I_HDMI_PHY_DBG_CTRL_POL_NVSYNC      BIT(9)
22 #define SUN8I_HDMI_PHY_DBG_CTRL_ADDR_MASK       GENMASK(23, 16)
23 #define SUN8I_HDMI_PHY_DBG_CTRL_ADDR(addr)      (addr << 16)
24
25 #define SUN8I_HDMI_PHY_REXT_CTRL_REG    0x0004
26 #define SUN8I_HDMI_PHY_REXT_CTRL_REXT_EN        BIT(31)
27
28 #define SUN8I_HDMI_PHY_READ_EN_REG      0x0010
29 #define SUN8I_HDMI_PHY_READ_EN_MAGIC            0x54524545
30
31 #define SUN8I_HDMI_PHY_UNSCRAMBLE_REG   0x0014
32 #define SUN8I_HDMI_PHY_UNSCRAMBLE_MAGIC         0x42494E47
33
34 #define SUN8I_HDMI_PHY_ANA_CFG1_REG     0x0020
35 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_SWI         BIT(31)
36 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_PWEND       BIT(30)
37 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_PWENC       BIT(29)
38 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_CALSW       BIT(28)
39 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_SVRCAL(x)   ((x) << 26)
40 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_SVBH(x)     ((x) << 24)
41 #define SUN8I_HDMI_PHY_ANA_CFG1_AMP_OPT         BIT(23)
42 #define SUN8I_HDMI_PHY_ANA_CFG1_EMP_OPT         BIT(22)
43 #define SUN8I_HDMI_PHY_ANA_CFG1_AMPCK_OPT       BIT(21)
44 #define SUN8I_HDMI_PHY_ANA_CFG1_EMPCK_OPT       BIT(20)
45 #define SUN8I_HDMI_PHY_ANA_CFG1_ENRCAL          BIT(19)
46 #define SUN8I_HDMI_PHY_ANA_CFG1_ENCALOG         BIT(18)
47 #define SUN8I_HDMI_PHY_ANA_CFG1_REG_SCKTMDS     BIT(17)
48 #define SUN8I_HDMI_PHY_ANA_CFG1_TMDSCLK_EN      BIT(16)
49 #define SUN8I_HDMI_PHY_ANA_CFG1_TXEN_MASK       GENMASK(15, 12)
50 #define SUN8I_HDMI_PHY_ANA_CFG1_TXEN_ALL        (0xf << 12)
51 #define SUN8I_HDMI_PHY_ANA_CFG1_BIASEN_TMDSCLK  BIT(11)
52 #define SUN8I_HDMI_PHY_ANA_CFG1_BIASEN_TMDS2    BIT(10)
53 #define SUN8I_HDMI_PHY_ANA_CFG1_BIASEN_TMDS1    BIT(9)
54 #define SUN8I_HDMI_PHY_ANA_CFG1_BIASEN_TMDS0    BIT(8)
55 #define SUN8I_HDMI_PHY_ANA_CFG1_ENP2S_TMDSCLK   BIT(7)
56 #define SUN8I_HDMI_PHY_ANA_CFG1_ENP2S_TMDS2     BIT(6)
57 #define SUN8I_HDMI_PHY_ANA_CFG1_ENP2S_TMDS1     BIT(5)
58 #define SUN8I_HDMI_PHY_ANA_CFG1_ENP2S_TMDS0     BIT(4)
59 #define SUN8I_HDMI_PHY_ANA_CFG1_CKEN            BIT(3)
60 #define SUN8I_HDMI_PHY_ANA_CFG1_LDOEN           BIT(2)
61 #define SUN8I_HDMI_PHY_ANA_CFG1_ENVBS           BIT(1)
62 #define SUN8I_HDMI_PHY_ANA_CFG1_ENBI            BIT(0)
63
64 #define SUN8I_HDMI_PHY_ANA_CFG2_REG     0x0024
65 #define SUN8I_HDMI_PHY_ANA_CFG2_M_EN            BIT(31)
66 #define SUN8I_HDMI_PHY_ANA_CFG2_PLLDBEN         BIT(30)
67 #define SUN8I_HDMI_PHY_ANA_CFG2_SEN             BIT(29)
68 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_HPDPD       BIT(28)
69 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_HPDEN       BIT(27)
70 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_PLRCK       BIT(26)
71 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_PLR(x)      ((x) << 23)
72 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_DENCK       BIT(22)
73 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_DEN         BIT(21)
74 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_CD(x)       ((x) << 19)
75 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_CKSS(x)     ((x) << 17)
76 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_BIGSWCK     BIT(16)
77 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_BIGSW       BIT(15)
78 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_CSMPS(x)    ((x) << 13)
79 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_SLV(x)      ((x) << 10)
80 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_BOOSTCK(x)  ((x) << 8)
81 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_BOOST(x)    ((x) << 6)
82 #define SUN8I_HDMI_PHY_ANA_CFG2_REG_RESDI(x)    ((x) << 0)
83
84 #define SUN8I_HDMI_PHY_ANA_CFG3_REG     0x0028
85 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_SLOWCK(x)   ((x) << 30)
86 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_SLOW(x)     ((x) << 28)
87 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_WIRE(x)     ((x) << 18)
88 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_AMPCK(x)    ((x) << 14)
89 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_EMPCK(x)    ((x) << 11)
90 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_AMP(x)      ((x) << 7)
91 #define SUN8I_HDMI_PHY_ANA_CFG3_REG_EMP(x)      ((x) << 4)
92 #define SUN8I_HDMI_PHY_ANA_CFG3_SDAPD           BIT(3)
93 #define SUN8I_HDMI_PHY_ANA_CFG3_SDAEN           BIT(2)
94 #define SUN8I_HDMI_PHY_ANA_CFG3_SCLPD           BIT(1)
95 #define SUN8I_HDMI_PHY_ANA_CFG3_SCLEN           BIT(0)
96
97 #define SUN8I_HDMI_PHY_PLL_CFG1_REG     0x002c
98 #define SUN8I_HDMI_PHY_PLL_CFG1_REG_OD1         BIT(31)
99 #define SUN8I_HDMI_PHY_PLL_CFG1_REG_OD          BIT(30)
100 #define SUN8I_HDMI_PHY_PLL_CFG1_LDO2_EN         BIT(29)
101 #define SUN8I_HDMI_PHY_PLL_CFG1_LDO1_EN         BIT(28)
102 #define SUN8I_HDMI_PHY_PLL_CFG1_HV_IS_33        BIT(27)
103 #define SUN8I_HDMI_PHY_PLL_CFG1_CKIN_SEL_MSK    BIT(26)
104 #define SUN8I_HDMI_PHY_PLL_CFG1_CKIN_SEL_SHIFT  26
105 #define SUN8I_HDMI_PHY_PLL_CFG1_PLLEN           BIT(25)
106 #define SUN8I_HDMI_PHY_PLL_CFG1_LDO_VSET(x)     ((x) << 22)
107 #define SUN8I_HDMI_PHY_PLL_CFG1_UNKNOWN(x)      ((x) << 20)
108 #define SUN8I_HDMI_PHY_PLL_CFG1_PLLDBEN         BIT(19)
109 #define SUN8I_HDMI_PHY_PLL_CFG1_CS              BIT(18)
110 #define SUN8I_HDMI_PHY_PLL_CFG1_CP_S(x)         ((x) << 13)
111 #define SUN8I_HDMI_PHY_PLL_CFG1_CNT_INT(x)      ((x) << 7)
112 #define SUN8I_HDMI_PHY_PLL_CFG1_BWS             BIT(6)
113 #define SUN8I_HDMI_PHY_PLL_CFG1_B_IN_MSK        GENMASK(5, 0)
114 #define SUN8I_HDMI_PHY_PLL_CFG1_B_IN_SHIFT      0
115
116 #define SUN8I_HDMI_PHY_PLL_CFG2_REG     0x0030
117 #define SUN8I_HDMI_PHY_PLL_CFG2_SV_H            BIT(31)
118 #define SUN8I_HDMI_PHY_PLL_CFG2_PDCLKSEL(x)     ((x) << 29)
119 #define SUN8I_HDMI_PHY_PLL_CFG2_CLKSTEP(x)      ((x) << 27)
120 #define SUN8I_HDMI_PHY_PLL_CFG2_PSET(x)         ((x) << 24)
121 #define SUN8I_HDMI_PHY_PLL_CFG2_PCLK_SEL        BIT(23)
122 #define SUN8I_HDMI_PHY_PLL_CFG2_AUTOSYNC_DIS    BIT(22)
123 #define SUN8I_HDMI_PHY_PLL_CFG2_VREG2_OUT_EN    BIT(21)
124 #define SUN8I_HDMI_PHY_PLL_CFG2_VREG1_OUT_EN    BIT(20)
125 #define SUN8I_HDMI_PHY_PLL_CFG2_VCOGAIN_EN      BIT(19)
126 #define SUN8I_HDMI_PHY_PLL_CFG2_VCOGAIN(x)      ((x) << 16)
127 #define SUN8I_HDMI_PHY_PLL_CFG2_VCO_S(x)        ((x) << 12)
128 #define SUN8I_HDMI_PHY_PLL_CFG2_VCO_RST_IN      BIT(11)
129 #define SUN8I_HDMI_PHY_PLL_CFG2_SINT_FRAC       BIT(10)
130 #define SUN8I_HDMI_PHY_PLL_CFG2_SDIV2           BIT(9)
131 #define SUN8I_HDMI_PHY_PLL_CFG2_S(x)            ((x) << 6)
132 #define SUN8I_HDMI_PHY_PLL_CFG2_S6P25_7P5       BIT(5)
133 #define SUN8I_HDMI_PHY_PLL_CFG2_S5_7            BIT(4)
134 #define SUN8I_HDMI_PHY_PLL_CFG2_PREDIV_MSK      GENMASK(3, 0)
135 #define SUN8I_HDMI_PHY_PLL_CFG2_PREDIV_SHIFT    0
136 #define SUN8I_HDMI_PHY_PLL_CFG2_PREDIV(x)       (((x) - 1) << 0)
137
138 #define SUN8I_HDMI_PHY_PLL_CFG3_REG     0x0034
139 #define SUN8I_HDMI_PHY_PLL_CFG3_SOUT_DIV2       BIT(0)
140
141 #define SUN8I_HDMI_PHY_ANA_STS_REG      0x0038
142 #define SUN8I_HDMI_PHY_ANA_STS_B_OUT_SHIFT      11
143 #define SUN8I_HDMI_PHY_ANA_STS_B_OUT_MSK        GENMASK(16, 11)
144 #define SUN8I_HDMI_PHY_ANA_STS_RCALEND2D        BIT(7)
145 #define SUN8I_HDMI_PHY_ANA_STS_RCAL_MASK        GENMASK(5, 0)
146
147 #define SUN8I_HDMI_PHY_CEC_REG          0x003c
148
149 struct sun8i_hdmi_phy;
150
151 struct sun8i_hdmi_phy_variant {
152         bool has_phy_clk;
153         bool has_second_pll;
154         unsigned int is_custom_phy : 1;
155         const struct dw_hdmi_curr_ctrl *cur_ctr;
156         const struct dw_hdmi_mpll_config *mpll_cfg;
157         const struct dw_hdmi_phy_config *phy_cfg;
158         void (*phy_init)(struct sun8i_hdmi_phy *phy);
159         void (*phy_disable)(struct dw_hdmi *hdmi,
160                             struct sun8i_hdmi_phy *phy);
161         int  (*phy_config)(struct dw_hdmi *hdmi,
162                            struct sun8i_hdmi_phy *phy,
163                            unsigned int clk_rate);
164 };
165
166 struct sun8i_hdmi_phy {
167         struct clk                      *clk_bus;
168         struct clk                      *clk_mod;
169         struct clk                      *clk_phy;
170         struct clk                      *clk_pll0;
171         struct clk                      *clk_pll1;
172         unsigned int                    rcal;
173         struct regmap                   *regs;
174         struct reset_control            *rst_phy;
175         struct sun8i_hdmi_phy_variant   *variant;
176 };
177
178 struct sun8i_dw_hdmi_quirks {
179         enum drm_mode_status (*mode_valid)(struct dw_hdmi *hdmi, void *data,
180                                            const struct drm_display_info *info,
181                                            const struct drm_display_mode *mode);
182         unsigned int use_drm_infoframe : 1;
183 };
184
185 struct sun8i_dw_hdmi {
186         struct clk                      *clk_tmds;
187         struct device                   *dev;
188         struct dw_hdmi                  *hdmi;
189         struct drm_encoder              encoder;
190         struct sun8i_hdmi_phy           *phy;
191         struct dw_hdmi_plat_data        plat_data;
192         struct regulator                *regulator;
193         const struct sun8i_dw_hdmi_quirks *quirks;
194         struct reset_control            *rst_ctrl;
195         struct gpio_desc                *ddc_en;
196 };
197
198 extern struct platform_driver sun8i_hdmi_phy_driver;
199
200 static inline struct sun8i_dw_hdmi *
201 encoder_to_sun8i_dw_hdmi(struct drm_encoder *encoder)
202 {
203         return container_of(encoder, struct sun8i_dw_hdmi, encoder);
204 }
205
206 int sun8i_hdmi_phy_get(struct sun8i_dw_hdmi *hdmi, struct device_node *node);
207
208 void sun8i_hdmi_phy_init(struct sun8i_hdmi_phy *phy);
209 void sun8i_hdmi_phy_set_ops(struct sun8i_hdmi_phy *phy,
210                             struct dw_hdmi_plat_data *plat_data);
211
212 int sun8i_phy_clk_create(struct sun8i_hdmi_phy *phy, struct device *dev,
213                          bool second_parent);
214
215 #endif /* _SUN8I_DW_HDMI_H_ */