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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __ASM_SH_MOBILE_LCDC_H__
3#define __ASM_SH_MOBILE_LCDC_H__
4
5#include <linux/fb.h>
6
7/* Register definitions */
8#define _LDDCKR 0x410
9#define LDDCKR_ICKSEL_BUS (0 << 16)
10#define LDDCKR_ICKSEL_MIPI (1 << 16)
11#define LDDCKR_ICKSEL_HDMI (2 << 16)
12#define LDDCKR_ICKSEL_EXT (3 << 16)
13#define LDDCKR_ICKSEL_MASK (7 << 16)
14#define LDDCKR_MOSEL (1 << 6)
15#define _LDDCKSTPR 0x414
16#define _LDINTR 0x468
17#define LDINTR_FE (1 << 10)
18#define LDINTR_VSE (1 << 9)
19#define LDINTR_VEE (1 << 8)
20#define LDINTR_FS (1 << 2)
21#define LDINTR_VSS (1 << 1)
22#define LDINTR_VES (1 << 0)
23#define LDINTR_STATUS_MASK (0xff << 0)
24#define _LDSR 0x46c
25#define LDSR_MSS (1 << 10)
26#define LDSR_MRS (1 << 8)
27#define LDSR_AS (1 << 1)
28#define _LDCNT1R 0x470
29#define LDCNT1R_DE (1 << 0)
30#define _LDCNT2R 0x474
31#define LDCNT2R_BR (1 << 8)
32#define LDCNT2R_MD (1 << 3)
33#define LDCNT2R_SE (1 << 2)
34#define LDCNT2R_ME (1 << 1)
35#define LDCNT2R_DO (1 << 0)
36#define _LDRCNTR 0x478
37#define LDRCNTR_SRS (1 << 17)
38#define LDRCNTR_SRC (1 << 16)
39#define LDRCNTR_MRS (1 << 1)
40#define LDRCNTR_MRC (1 << 0)
41#define _LDDDSR 0x47c
42#define LDDDSR_LS (1 << 2)
43#define LDDDSR_WS (1 << 1)
44#define LDDDSR_BS (1 << 0)
45
46#define LDMT1R_VPOL (1 << 28)
47#define LDMT1R_HPOL (1 << 27)
48#define LDMT1R_DWPOL (1 << 26)
49#define LDMT1R_DIPOL (1 << 25)
50#define LDMT1R_DAPOL (1 << 24)
51#define LDMT1R_HSCNT (1 << 17)
52#define LDMT1R_DWCNT (1 << 16)
53#define LDMT1R_IFM (1 << 12)
54#define LDMT1R_MIFTYP_RGB8 (0x0 << 0)
55#define LDMT1R_MIFTYP_RGB9 (0x4 << 0)
56#define LDMT1R_MIFTYP_RGB12A (0x5 << 0)
57#define LDMT1R_MIFTYP_RGB12B (0x6 << 0)
58#define LDMT1R_MIFTYP_RGB16 (0x7 << 0)
59#define LDMT1R_MIFTYP_RGB18 (0xa << 0)
60#define LDMT1R_MIFTYP_RGB24 (0xb << 0)
61#define LDMT1R_MIFTYP_YCBCR (0xf << 0)
62#define LDMT1R_MIFTYP_SYS8A (0x0 << 0)
63#define LDMT1R_MIFTYP_SYS8B (0x1 << 0)
64#define LDMT1R_MIFTYP_SYS8C (0x2 << 0)
65#define LDMT1R_MIFTYP_SYS8D (0x3 << 0)
66#define LDMT1R_MIFTYP_SYS9 (0x4 << 0)
67#define LDMT1R_MIFTYP_SYS12 (0x5 << 0)
68#define LDMT1R_MIFTYP_SYS16A (0x7 << 0)
69#define LDMT1R_MIFTYP_SYS16B (0x8 << 0)
70#define LDMT1R_MIFTYP_SYS16C (0x9 << 0)
71#define LDMT1R_MIFTYP_SYS18 (0xa << 0)
72#define LDMT1R_MIFTYP_SYS24 (0xb << 0)
73#define LDMT1R_MIFTYP_MASK (0xf << 0)
74
75#define LDDFR_CF1 (1 << 18)
76#define LDDFR_CF0 (1 << 17)
77#define LDDFR_CC (1 << 16)
78#define LDDFR_YF_420 (0 << 8)
79#define LDDFR_YF_422 (1 << 8)
80#define LDDFR_YF_444 (2 << 8)
81#define LDDFR_YF_MASK (3 << 8)
82#define LDDFR_PKF_ARGB32 (0x00 << 0)
83#define LDDFR_PKF_RGB16 (0x03 << 0)
84#define LDDFR_PKF_RGB24 (0x0b << 0)
85#define LDDFR_PKF_MASK (0x1f << 0)
86
87#define LDSM1R_OS (1 << 0)
88
89#define LDSM2R_OSTRG (1 << 0)
90
91#define LDPMR_LPS (3 << 0)
92
93#define _LDDWD0R 0x800
94#define LDDWDxR_WDACT (1 << 28)
95#define LDDWDxR_RSW (1 << 24)
96#define _LDDRDR 0x840
97#define LDDRDR_RSR (1 << 24)
98#define LDDRDR_DRD_MASK (0x3ffff << 0)
99#define _LDDWAR 0x900
100#define LDDWAR_WA (1 << 0)
101#define _LDDRAR 0x904
102#define LDDRAR_RA (1 << 0)
103
104enum {
105 RGB8 = LDMT1R_MIFTYP_RGB8, /* 24bpp, 8:8:8 */
106 RGB9 = LDMT1R_MIFTYP_RGB9, /* 18bpp, 9:9 */
107 RGB12A = LDMT1R_MIFTYP_RGB12A, /* 24bpp, 12:12 */
108 RGB12B = LDMT1R_MIFTYP_RGB12B, /* 12bpp */
109 RGB16 = LDMT1R_MIFTYP_RGB16, /* 16bpp */
110 RGB18 = LDMT1R_MIFTYP_RGB18, /* 18bpp */
111 RGB24 = LDMT1R_MIFTYP_RGB24, /* 24bpp */
112 YUV422 = LDMT1R_MIFTYP_YCBCR, /* 16bpp */
113 SYS8A = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8A, /* 24bpp, 8:8:8 */
114 SYS8B = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8B, /* 18bpp, 8:8:2 */
115 SYS8C = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8C, /* 18bpp, 2:8:8 */
116 SYS8D = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8D, /* 16bpp, 8:8 */
117 SYS9 = LDMT1R_IFM | LDMT1R_MIFTYP_SYS9, /* 18bpp, 9:9 */
118 SYS12 = LDMT1R_IFM | LDMT1R_MIFTYP_SYS12, /* 24bpp, 12:12 */
119 SYS16A = LDMT1R_IFM | LDMT1R_MIFTYP_SYS16A, /* 16bpp */
120 SYS16B = LDMT1R_IFM | LDMT1R_MIFTYP_SYS16B, /* 18bpp, 16:2 */
121 SYS16C = LDMT1R_IFM | LDMT1R_MIFTYP_SYS16C, /* 18bpp, 2:16 */
122 SYS18 = LDMT1R_IFM | LDMT1R_MIFTYP_SYS18, /* 18bpp */
123 SYS24 = LDMT1R_IFM | LDMT1R_MIFTYP_SYS24, /* 24bpp */
124};
125
126enum { LCDC_CHAN_DISABLED = 0,
127 LCDC_CHAN_MAINLCD,
128 LCDC_CHAN_SUBLCD };
129
130enum { LCDC_CLK_BUS, LCDC_CLK_PERIPHERAL, LCDC_CLK_EXTERNAL };
131
132#define LCDC_FLAGS_DWPOL (1 << 0) /* Rising edge dot clock data latch */
133#define LCDC_FLAGS_DIPOL (1 << 1) /* Active low display enable polarity */
134#define LCDC_FLAGS_DAPOL (1 << 2) /* Active low display data polarity */
135#define LCDC_FLAGS_HSCNT (1 << 3) /* Disable HSYNC during VBLANK */
136#define LCDC_FLAGS_DWCNT (1 << 4) /* Disable dotclock during blanking */
137
138struct sh_mobile_lcdc_sys_bus_cfg {
139 unsigned long ldmt2r;
140 unsigned long ldmt3r;
141 unsigned long deferred_io_msec;
142};
143
144struct sh_mobile_lcdc_sys_bus_ops {
145 void (*write_index)(void *handle, unsigned long data);
146 void (*write_data)(void *handle, unsigned long data);
147 unsigned long (*read_data)(void *handle);
148};
149
150struct sh_mobile_lcdc_panel_cfg {
151 unsigned long width; /* Panel width in mm */
152 unsigned long height; /* Panel height in mm */
153 int (*setup_sys)(void *sys_ops_handle,
154 struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
155 void (*start_transfer)(void *sys_ops_handle,
156 struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
157 void (*display_on)(void);
158 void (*display_off)(void);
159};
160
161/* backlight info */
162struct sh_mobile_lcdc_bl_info {
163 const char *name;
164 int max_brightness;
165 int (*set_brightness)(int brightness);
166};
167
168struct sh_mobile_lcdc_overlay_cfg {
169 int fourcc;
170 unsigned int max_xres;
171 unsigned int max_yres;
172};
173
174struct sh_mobile_lcdc_chan_cfg {
175 int chan;
176 int fourcc;
177 int colorspace;
178 int interface_type; /* selects RGBn or SYSn I/F, see above */
179 int clock_divider;
180 unsigned long flags; /* LCDC_FLAGS_... */
181 const struct fb_videomode *lcd_modes;
182 int num_modes;
183 struct sh_mobile_lcdc_panel_cfg panel_cfg;
184 struct sh_mobile_lcdc_bl_info bl_info;
185 struct sh_mobile_lcdc_sys_bus_cfg sys_bus_cfg; /* only for SYSn I/F */
186
187 struct platform_device *tx_dev; /* HDMI/DSI transmitter device */
188};
189
190struct sh_mobile_lcdc_info {
191 int clock_source;
192 struct sh_mobile_lcdc_chan_cfg ch[2];
193 struct sh_mobile_lcdc_overlay_cfg overlays[4];
194};
195
196#endif /* __ASM_SH_MOBILE_LCDC_H__ */