xref: /openbmc/linux/include/video/sh_mobile_lcdc.h (revision 3eb66e91a25497065c5322b1268cbc3953642227)
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  
104  enum {
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  
126  enum { LCDC_CHAN_DISABLED = 0,
127         LCDC_CHAN_MAINLCD,
128         LCDC_CHAN_SUBLCD };
129  
130  enum { 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  
138  struct sh_mobile_lcdc_sys_bus_cfg {
139  	unsigned long ldmt2r;
140  	unsigned long ldmt3r;
141  	unsigned long deferred_io_msec;
142  };
143  
144  struct 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  
150  struct 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 */
162  struct sh_mobile_lcdc_bl_info {
163  	const char *name;
164  	int max_brightness;
165  	int (*set_brightness)(int brightness);
166  };
167  
168  struct sh_mobile_lcdc_overlay_cfg {
169  	int fourcc;
170  	unsigned int max_xres;
171  	unsigned int max_yres;
172  };
173  
174  struct 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  
190  struct 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__ */
197