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diff --git a/drivers/video/fbdev/omap/omapfb.h b/drivers/video/fbdev/omap/omapfb.h
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1/*
2 * File: drivers/video/omap/omapfb.h
3 *
4 * Framebuffer driver for TI OMAP boards
5 *
6 * Copyright (C) 2004 Nokia Corporation
7 * Author: Imre Deak <imre.deak@nokia.com>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 */
23
24#ifndef __OMAPFB_H
25#define __OMAPFB_H
26
27#include <linux/fb.h>
28#include <linux/mutex.h>
29#include <linux/omapfb.h>
30
31#define OMAPFB_EVENT_READY 1
32#define OMAPFB_EVENT_DISABLED 2
33
34#define OMAP_LCDC_INV_VSYNC 0x0001
35#define OMAP_LCDC_INV_HSYNC 0x0002
36#define OMAP_LCDC_INV_PIX_CLOCK 0x0004
37#define OMAP_LCDC_INV_OUTPUT_EN 0x0008
38#define OMAP_LCDC_HSVS_RISING_EDGE 0x0010
39#define OMAP_LCDC_HSVS_OPPOSITE 0x0020
40
41#define OMAP_LCDC_SIGNAL_MASK 0x003f
42
43#define OMAP_LCDC_PANEL_TFT 0x0100
44
45#define OMAPFB_PLANE_XRES_MIN 8
46#define OMAPFB_PLANE_YRES_MIN 8
47
48struct omapfb_device;
49
50#define OMAPFB_PLANE_NUM 1
51
52struct omapfb_mem_region {
53 u32 paddr;
54 void __iomem *vaddr;
55 unsigned long size;
56 u8 type; /* OMAPFB_PLANE_MEM_* */
57 enum omapfb_color_format format;/* OMAPFB_COLOR_* */
58 unsigned format_used:1; /* Must be set when format is set.
59 * Needed b/c of the badly chosen 0
60 * base for OMAPFB_COLOR_* values
61 */
62 unsigned alloc:1; /* allocated by the driver */
63 unsigned map:1; /* kernel mapped by the driver */
64};
65
66struct omapfb_mem_desc {
67 int region_cnt;
68 struct omapfb_mem_region region[OMAPFB_PLANE_NUM];
69};
70
71struct lcd_panel {
72 const char *name;
73 int config; /* TFT/STN, signal inversion */
74 int bpp; /* Pixel format in fb mem */
75 int data_lines; /* Lines on LCD HW interface */
76
77 int x_res, y_res;
78 int pixel_clock; /* In kHz */
79 int hsw; /* Horizontal synchronization
80 pulse width */
81 int hfp; /* Horizontal front porch */
82 int hbp; /* Horizontal back porch */
83 int vsw; /* Vertical synchronization
84 pulse width */
85 int vfp; /* Vertical front porch */
86 int vbp; /* Vertical back porch */
87 int acb; /* ac-bias pin frequency */
88 int pcd; /* pixel clock divider.
89 Obsolete use pixel_clock instead */
90
91 int (*init) (struct lcd_panel *panel,
92 struct omapfb_device *fbdev);
93 void (*cleanup) (struct lcd_panel *panel);
94 int (*enable) (struct lcd_panel *panel);
95 void (*disable) (struct lcd_panel *panel);
96 unsigned long (*get_caps) (struct lcd_panel *panel);
97 int (*set_bklight_level)(struct lcd_panel *panel,
98 unsigned int level);
99 unsigned int (*get_bklight_level)(struct lcd_panel *panel);
100 unsigned int (*get_bklight_max) (struct lcd_panel *panel);
101 int (*run_test) (struct lcd_panel *panel, int test_num);
102};
103
104struct extif_timings {
105 int cs_on_time;
106 int cs_off_time;
107 int we_on_time;
108 int we_off_time;
109 int re_on_time;
110 int re_off_time;
111 int we_cycle_time;
112 int re_cycle_time;
113 int cs_pulse_width;
114 int access_time;
115
116 int clk_div;
117
118 u32 tim[5]; /* set by extif->convert_timings */
119
120 int converted;
121};
122
123struct lcd_ctrl_extif {
124 int (*init) (struct omapfb_device *fbdev);
125 void (*cleanup) (void);
126 void (*get_clk_info) (u32 *clk_period, u32 *max_clk_div);
127 unsigned long (*get_max_tx_rate)(void);
128 int (*convert_timings) (struct extif_timings *timings);
129 void (*set_timings) (const struct extif_timings *timings);
130 void (*set_bits_per_cycle)(int bpc);
131 void (*write_command) (const void *buf, unsigned int len);
132 void (*read_data) (void *buf, unsigned int len);
133 void (*write_data) (const void *buf, unsigned int len);
134 void (*transfer_area) (int width, int height,
135 void (callback)(void *data), void *data);
136 int (*setup_tearsync) (unsigned pin_cnt,
137 unsigned hs_pulse_time, unsigned vs_pulse_time,
138 int hs_pol_inv, int vs_pol_inv, int div);
139 int (*enable_tearsync) (int enable, unsigned line);
140
141 unsigned long max_transmit_size;
142};
143
144struct omapfb_notifier_block {
145 struct notifier_block nb;
146 void *data;
147 int plane_idx;
148};
149
150typedef int (*omapfb_notifier_callback_t)(struct notifier_block *,
151 unsigned long event,
152 void *fbi);
153
154struct lcd_ctrl {
155 const char *name;
156 void *data;
157
158 int (*init) (struct omapfb_device *fbdev,
159 int ext_mode,
160 struct omapfb_mem_desc *req_md);
161 void (*cleanup) (void);
162 void (*bind_client) (struct omapfb_notifier_block *nb);
163 void (*get_caps) (int plane, struct omapfb_caps *caps);
164 int (*set_update_mode)(enum omapfb_update_mode mode);
165 enum omapfb_update_mode (*get_update_mode)(void);
166 int (*setup_plane) (int plane, int channel_out,
167 unsigned long offset,
168 int screen_width,
169 int pos_x, int pos_y, int width,
170 int height, int color_mode);
171 int (*set_rotate) (int angle);
172 int (*setup_mem) (int plane, size_t size,
173 int mem_type, unsigned long *paddr);
174 int (*mmap) (struct fb_info *info,
175 struct vm_area_struct *vma);
176 int (*set_scale) (int plane,
177 int orig_width, int orig_height,
178 int out_width, int out_height);
179 int (*enable_plane) (int plane, int enable);
180 int (*update_window) (struct fb_info *fbi,
181 struct omapfb_update_window *win,
182 void (*callback)(void *),
183 void *callback_data);
184 void (*sync) (void);
185 void (*suspend) (void);
186 void (*resume) (void);
187 int (*run_test) (int test_num);
188 int (*setcolreg) (u_int regno, u16 red, u16 green,
189 u16 blue, u16 transp,
190 int update_hw_mem);
191 int (*set_color_key) (struct omapfb_color_key *ck);
192 int (*get_color_key) (struct omapfb_color_key *ck);
193};
194
195enum omapfb_state {
196 OMAPFB_DISABLED = 0,
197 OMAPFB_SUSPENDED = 99,
198 OMAPFB_ACTIVE = 100
199};
200
201struct omapfb_plane_struct {
202 int idx;
203 struct omapfb_plane_info info;
204 enum omapfb_color_format color_mode;
205 struct omapfb_device *fbdev;
206};
207
208struct omapfb_device {
209 int state;
210 int ext_lcdc; /* Using external
211 LCD controller */
212 struct mutex rqueue_mutex;
213
214 int palette_size;
215 u32 pseudo_palette[17];
216
217 struct lcd_panel *panel; /* LCD panel */
218 const struct lcd_ctrl *ctrl; /* LCD controller */
219 const struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */
220 struct lcd_ctrl_extif *ext_if; /* LCD ctrl external
221 interface */
222 struct device *dev;
223 struct fb_var_screeninfo new_var; /* for mode changes */
224
225 struct omapfb_mem_desc mem_desc;
226 struct fb_info *fb_info[OMAPFB_PLANE_NUM];
227
228 struct platform_device *dssdev; /* dummy dev for clocks */
229};
230
231extern struct lcd_ctrl omap1_lcd_ctrl;
232
233extern void omapfb_register_panel(struct lcd_panel *panel);
234extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval);
235extern void omapfb_notify_clients(struct omapfb_device *fbdev,
236 unsigned long event);
237extern int omapfb_register_client(struct omapfb_notifier_block *nb,
238 omapfb_notifier_callback_t callback,
239 void *callback_data);
240extern int omapfb_unregister_client(struct omapfb_notifier_block *nb);
241extern int omapfb_update_window_async(struct fb_info *fbi,
242 struct omapfb_update_window *win,
243 void (*callback)(void *),
244 void *callback_data);
245
246#endif /* __OMAPFB_H */
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-08 20:02:16 -0500