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1#ifndef __PXAFB_H__
2#define __PXAFB_H__
3
4/*
5 * linux/drivers/video/pxafb.h
6 * -- Intel PXA250/210 LCD Controller Frame Buffer Device
7 *
8 * Copyright (C) 1999 Eric A. Thomas.
9 * Copyright (C) 2004 Jean-Frederic Clere.
10 * Copyright (C) 2004 Ian Campbell.
11 * Copyright (C) 2004 Jeff Lackey.
12 * Based on sa1100fb.c Copyright (C) 1999 Eric A. Thomas
13 * which in turn is
14 * Based on acornfb.c Copyright (C) Russell King.
15 *
16 * 2001-08-03: Cliff Brake <[email protected]>
17 * - ported SA1100 code to PXA
18 *
19 * This file is subject to the terms and conditions of the GNU General Public
20 * License. See the file COPYING in the main directory of this archive
21 * for more details.
22 */
23
24/* PXA LCD DMA descriptor */
25struct pxafb_dma_descriptor {
26 unsigned int fdadr;
27 unsigned int fsadr;
28 unsigned int fidr;
29 unsigned int ldcmd;
30};
31
32enum {
33 PAL_NONE = -1,
34 PAL_BASE = 0,
35 PAL_OV1 = 1,
36 PAL_OV2 = 2,
37 PAL_MAX,
38};
39
40enum {
41 DMA_BASE = 0,
42 DMA_UPPER = 0,
43 DMA_LOWER = 1,
44 DMA_OV1 = 1,
45 DMA_OV2_Y = 2,
46 DMA_OV2_Cb = 3,
47 DMA_OV2_Cr = 4,
48 DMA_CURSOR = 5,
49 DMA_CMD = 6,
50 DMA_MAX,
51};
52
53/* maximum palette size - 256 entries, each 4 bytes long */
54#define PALETTE_SIZE (256 * 4)
55#define CMD_BUFF_SIZE (1024 * 50)
56
57/* NOTE: the palette and frame dma descriptors are doubled to allow
58 * the 2nd set for branch settings (FBRx)
59 */
60struct pxafb_dma_buff {
61 unsigned char palette[PAL_MAX * PALETTE_SIZE];
62 uint16_t cmd_buff[CMD_BUFF_SIZE];
63 struct pxafb_dma_descriptor pal_desc[PAL_MAX * 2];
64 struct pxafb_dma_descriptor dma_desc[DMA_MAX * 2];
65};
66
67enum {
68 OVERLAY1,
69 OVERLAY2,
70};
71
72enum {
73 OVERLAY_FORMAT_RGB = 0,
74 OVERLAY_FORMAT_YUV444_PACKED,
75 OVERLAY_FORMAT_YUV444_PLANAR,
76 OVERLAY_FORMAT_YUV422_PLANAR,
77 OVERLAY_FORMAT_YUV420_PLANAR,
78};
79
80#define NONSTD_TO_XPOS(x) (((x) >> 0) & 0x3ff)
81#define NONSTD_TO_YPOS(x) (((x) >> 10) & 0x3ff)
82#define NONSTD_TO_PFOR(x) (((x) >> 20) & 0x7)
83
84struct pxafb_layer;
85
86struct pxafb_layer_ops {
87 void (*enable)(struct pxafb_layer *);
88 void (*disable)(struct pxafb_layer *);
89 void (*setup)(struct pxafb_layer *);
90};
91
92struct pxafb_layer {
93 struct fb_info fb;
94 int id;
95 int registered;
96 uint32_t usage;
97 uint32_t control[2];
98
99 struct pxafb_layer_ops *ops;
100
101 void __iomem *video_mem;
102 unsigned long video_mem_phys;
103 size_t video_mem_size;
104 struct completion branch_done;
105
106 struct pxafb_info *fbi;
107};
108
109struct pxafb_info {
110 struct fb_info fb;
111 struct device *dev;
112 struct clk *clk;
113
114 void __iomem *mmio_base;
115
116 struct pxafb_dma_buff *dma_buff;
117 size_t dma_buff_size;
118 dma_addr_t dma_buff_phys;
119 dma_addr_t fdadr[DMA_MAX * 2];
120
121 void __iomem *video_mem; /* virtual address of frame buffer */
122 unsigned long video_mem_phys; /* physical address of frame buffer */
123 size_t video_mem_size; /* size of the frame buffer */
124 u16 * palette_cpu; /* virtual address of palette memory */
125 u_int palette_size;
126
127 u_int lccr0;
128 u_int lccr3;
129 u_int lccr4;
130 u_int cmap_inverse:1,
131 cmap_static:1,
132 unused:30;
133
134 u_int reg_lccr0;
135 u_int reg_lccr1;
136 u_int reg_lccr2;
137 u_int reg_lccr3;
138 u_int reg_lccr4;
139 u_int reg_cmdcr;
140
141 unsigned long hsync_time;
142
143 volatile u_char state;
144 volatile u_char task_state;
145 struct mutex ctrlr_lock;
146 wait_queue_head_t ctrlr_wait;
147 struct work_struct task;
148
149 struct completion disable_done;
150
151#ifdef CONFIG_FB_PXA_SMARTPANEL
152 uint16_t *smart_cmds;
153 size_t n_smart_cmds;
154 struct completion command_done;
155 struct completion refresh_done;
156 struct task_struct *smart_thread;
157#endif
158
159#ifdef CONFIG_FB_PXA_OVERLAY
160 struct pxafb_layer overlay[2];
161#endif
162
163#ifdef CONFIG_CPU_FREQ
164 struct notifier_block freq_transition;
165#endif
166
167 struct regulator *lcd_supply;
168 bool lcd_supply_enabled;
169
170 void (*lcd_power)(int, struct fb_var_screeninfo *);
171 void (*backlight_power)(int);
172
173 struct pxafb_mach_info *inf;
174};
175
176#define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member)
177
178/*
179 * These are the actions for set_ctrlr_state
180 */
181#define C_DISABLE (0)
182#define C_ENABLE (1)
183#define C_DISABLE_CLKCHANGE (2)
184#define C_ENABLE_CLKCHANGE (3)
185#define C_REENABLE (4)
186#define C_DISABLE_PM (5)
187#define C_ENABLE_PM (6)
188#define C_STARTUP (7)
189
190#define PXA_NAME "PXA"
191
192/*
193 * Minimum X and Y resolutions
194 */
195#define MIN_XRES 64
196#define MIN_YRES 64
197
198/* maximum X and Y resolutions - note these are limits from the register
199 * bits length instead of the real ones
200 */
201#define MAX_XRES 1024
202#define MAX_YRES 1024
203
204#endif /* __PXAFB_H__ */