1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef SH_MOBILE_LCDCFB_H |
3 | #define SH_MOBILE_LCDCFB_H |
4 | |
5 | #include <linux/completion.h> |
6 | #include <linux/fb.h> |
7 | #include <linux/mutex.h> |
8 | #include <linux/wait.h> |
9 | |
10 | /* per-channel registers */ |
11 | enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R, |
12 | LDSM2R, LDSA1R, LDSA2R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR, |
13 | LDHAJR, |
14 | NR_CH_REGS }; |
15 | |
16 | #define PALETTE_NR 16 |
17 | |
18 | struct backlight_device; |
19 | struct fb_info; |
20 | struct module; |
21 | struct sh_mobile_lcdc_chan; |
22 | struct sh_mobile_lcdc_entity; |
23 | struct sh_mobile_lcdc_format_info; |
24 | struct sh_mobile_lcdc_priv; |
25 | |
26 | #define SH_MOBILE_LCDC_DISPLAY_DISCONNECTED 0 |
27 | #define SH_MOBILE_LCDC_DISPLAY_CONNECTED 1 |
28 | |
29 | struct sh_mobile_lcdc_entity_ops { |
30 | /* Display */ |
31 | int (*display_on)(struct sh_mobile_lcdc_entity *entity); |
32 | void (*display_off)(struct sh_mobile_lcdc_entity *entity); |
33 | }; |
34 | |
35 | enum sh_mobile_lcdc_entity_event { |
36 | SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT, |
37 | SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT, |
38 | SH_MOBILE_LCDC_EVENT_DISPLAY_MODE, |
39 | }; |
40 | |
41 | struct sh_mobile_lcdc_entity { |
42 | struct module *owner; |
43 | const struct sh_mobile_lcdc_entity_ops *ops; |
44 | struct sh_mobile_lcdc_chan *lcdc; |
45 | struct fb_videomode def_mode; |
46 | }; |
47 | |
48 | /* |
49 | * struct sh_mobile_lcdc_chan - LCDC display channel |
50 | * |
51 | * @pan_y_offset: Panning linear offset in bytes (luma component) |
52 | * @base_addr_y: Frame buffer viewport base address (luma component) |
53 | * @base_addr_c: Frame buffer viewport base address (chroma component) |
54 | * @pitch: Frame buffer line pitch |
55 | */ |
56 | struct sh_mobile_lcdc_chan { |
57 | struct sh_mobile_lcdc_priv *lcdc; |
58 | struct sh_mobile_lcdc_entity *tx_dev; |
59 | const struct sh_mobile_lcdc_chan_cfg *cfg; |
60 | |
61 | unsigned long *reg_offs; |
62 | unsigned long ldmt1r_value; |
63 | unsigned long enabled; /* ME and SE in LDCNT2R */ |
64 | |
65 | struct mutex open_lock; /* protects the use counter */ |
66 | int use_count; |
67 | |
68 | void *fb_mem; |
69 | unsigned long fb_size; |
70 | |
71 | dma_addr_t dma_handle; |
72 | unsigned long pan_y_offset; |
73 | |
74 | unsigned long frame_end; |
75 | wait_queue_head_t frame_end_wait; |
76 | struct completion vsync_completion; |
77 | |
78 | const struct sh_mobile_lcdc_format_info *format; |
79 | u32 colorspace; |
80 | unsigned int xres; |
81 | unsigned int xres_virtual; |
82 | unsigned int yres; |
83 | unsigned int yres_virtual; |
84 | unsigned int pitch; |
85 | |
86 | unsigned long base_addr_y; |
87 | unsigned long base_addr_c; |
88 | unsigned int line_size; |
89 | |
90 | /* Backlight */ |
91 | struct backlight_device *bl; |
92 | unsigned int bl_brightness; |
93 | |
94 | /* FB */ |
95 | struct fb_info *info; |
96 | u32 pseudo_palette[PALETTE_NR]; |
97 | struct { |
98 | unsigned int width; |
99 | unsigned int height; |
100 | struct fb_videomode mode; |
101 | } display; |
102 | struct fb_deferred_io defio; |
103 | struct scatterlist *sglist; |
104 | int blank_status; |
105 | }; |
106 | |
107 | #endif |
108 | |