2 * Support for the w100 frame buffer.
4 * Copyright (c) 2004-2005 Richard Purdie
5 * Copyright (c) 2005 Ian Molton
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #define W100_GPIO_PORT_A 0
13 #define W100_GPIO_PORT_B 1
15 #define CLK_SRC_XTAL 0
20 unsigned long w100fb_gpio_read(int port
);
21 void w100fb_gpio_write(int port
, unsigned long value
);
22 unsigned long w100fb_get_hsynclen(struct device
*dev
);
24 /* LCD Specific Routines and Config */
26 void (*change
)(struct w100fb_par
*);
27 void (*suspend
)(struct w100fb_par
*);
28 void (*resume
)(struct w100fb_par
*);
31 /* General Platform Specific w100 Register Values */
32 struct w100_gen_regs
{
33 unsigned long lcd_format
;
34 unsigned long lcdd_cntl1
;
35 unsigned long lcdd_cntl2
;
36 unsigned long genlcd_cntl1
;
37 unsigned long genlcd_cntl2
;
38 unsigned long genlcd_cntl3
;
41 struct w100_gpio_regs
{
42 unsigned long init_data1
;
43 unsigned long init_data2
;
44 unsigned long gpio_dir1
;
45 unsigned long gpio_oe1
;
46 unsigned long gpio_dir2
;
47 unsigned long gpio_oe2
;
50 /* Optional External Memory Configuration */
51 struct w100_mem_info
{
52 unsigned long ext_cntl
;
53 unsigned long sdram_mode_reg
;
54 unsigned long ext_timing_cntl
;
55 unsigned long io_cntl
;
59 struct w100_bm_mem_info
{
60 unsigned long ext_mem_bw
;
62 unsigned long ext_timing_ctl
;
63 unsigned long ext_cntl
;
64 unsigned long mode_reg
;
65 unsigned long io_cntl
;
69 /* LCD Mode definition */
73 unsigned short left_margin
;
74 unsigned short right_margin
;
75 unsigned short upper_margin
;
76 unsigned short lower_margin
;
77 unsigned long crtc_ss
;
78 unsigned long crtc_ls
;
79 unsigned long crtc_gs
;
80 unsigned long crtc_vpos_gs
;
81 unsigned long crtc_rev
;
82 unsigned long crtc_dclk
;
83 unsigned long crtc_gclk
;
84 unsigned long crtc_goe
;
85 unsigned long crtc_ps1_active
;
92 int pixclk_divider_rotated
;
95 struct w100_pll_info
{
96 uint16_t freq
; /* desired Fout for PLL (Mhz) */
97 uint8_t M
; /* input divider */
98 uint8_t N_int
; /* VCO multiplier */
99 uint8_t N_fac
; /* VCO multiplier fractional part */
104 /* Initial Video mode orientation flags */
105 #define INIT_MODE_ROTATED 0x1
106 #define INIT_MODE_FLIPPED 0x2
109 * This structure describes the machine which we are running on.
110 * It is set by machine specific code and used in the probe routine
111 * of drivers/video/w100fb.c
113 struct w100fb_mach_info
{
114 /* General Platform Specific Registers */
115 struct w100_gen_regs
*regs
;
116 /* Table of modes the LCD is capable of */
117 struct w100_mode
*modelist
;
118 unsigned int num_modes
;
119 /* Hooks for any platform specific tg/lcd code (optional) */
120 struct w100_tg_info
*tg
;
121 /* External memory definition (if present) */
122 struct w100_mem_info
*mem
;
123 /* Additional External memory definition (if present) */
124 struct w100_bm_mem_info
*bm_mem
;
125 /* GPIO definitions (optional) */
126 struct w100_gpio_regs
*gpio
;
127 /* Initial Mode flags */
128 unsigned int init_mode
;
130 unsigned int xtal_freq
;
131 /* Enable Xtal input doubler (1 == enable) */
132 unsigned int xtal_dbl
;
135 /* General frame buffer data structure */
137 unsigned int chip_id
;
140 unsigned int extmem_active
;
142 unsigned int blanked
;
143 unsigned int fastpll_mode
;
144 unsigned long hsync_len
;
145 struct w100_mode
*mode
;
146 struct w100_pll_info
*pll_table
;
147 struct w100fb_mach_info
*mach
;
148 uint32_t *saved_intmem
;
149 uint32_t *saved_extmem
;
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