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diff --git a/include/asm-arm/arch-omap/omapfb.h b/include/asm-arm/arch-omap/omapfb.h
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1/*
2 * File: include/asm-arm/arch-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 <asm/ioctl.h>
28#include <asm/types.h>
29
30/* IOCTL commands. */
31
32#define OMAP_IOW(num, dtype) _IOW('O', num, dtype)
33#define OMAP_IOR(num, dtype) _IOR('O', num, dtype)
34#define OMAP_IOWR(num, dtype) _IOWR('O', num, dtype)
35#define OMAP_IO(num) _IO('O', num)
36
37#define OMAPFB_MIRROR OMAP_IOW(31, int)
38#define OMAPFB_SYNC_GFX OMAP_IO(37)
39#define OMAPFB_VSYNC OMAP_IO(38)
40#define OMAPFB_SET_UPDATE_MODE OMAP_IOW(40, int)
41#define OMAPFB_GET_CAPS OMAP_IOR(42, struct omapfb_caps)
42#define OMAPFB_GET_UPDATE_MODE OMAP_IOW(43, int)
43#define OMAPFB_LCD_TEST OMAP_IOW(45, int)
44#define OMAPFB_CTRL_TEST OMAP_IOW(46, int)
45#define OMAPFB_UPDATE_WINDOW_OLD OMAP_IOW(47, struct omapfb_update_window_old)
46#define OMAPFB_SET_COLOR_KEY OMAP_IOW(50, struct omapfb_color_key)
47#define OMAPFB_GET_COLOR_KEY OMAP_IOW(51, struct omapfb_color_key)
48#define OMAPFB_SETUP_PLANE OMAP_IOW(52, struct omapfb_plane_info)
49#define OMAPFB_QUERY_PLANE OMAP_IOW(53, struct omapfb_plane_info)
50#define OMAPFB_UPDATE_WINDOW OMAP_IOW(54, struct omapfb_update_window)
51#define OMAPFB_SETUP_MEM OMAP_IOW(55, struct omapfb_mem_info)
52#define OMAPFB_QUERY_MEM OMAP_IOW(56, struct omapfb_mem_info)
53
54#define OMAPFB_CAPS_GENERIC_MASK 0x00000fff
55#define OMAPFB_CAPS_LCDC_MASK 0x00fff000
56#define OMAPFB_CAPS_PANEL_MASK 0xff000000
57
58#define OMAPFB_CAPS_MANUAL_UPDATE 0x00001000
59#define OMAPFB_CAPS_TEARSYNC 0x00002000
60#define OMAPFB_CAPS_PLANE_RELOCATE_MEM 0x00004000
61#define OMAPFB_CAPS_PLANE_SCALE 0x00008000
62#define OMAPFB_CAPS_WINDOW_PIXEL_DOUBLE 0x00010000
63#define OMAPFB_CAPS_WINDOW_SCALE 0x00020000
64#define OMAPFB_CAPS_WINDOW_OVERLAY 0x00040000
65#define OMAPFB_CAPS_SET_BACKLIGHT 0x01000000
66
67/* Values from DSP must map to lower 16-bits */
68#define OMAPFB_FORMAT_MASK 0x00ff
69#define OMAPFB_FORMAT_FLAG_DOUBLE 0x0100
70#define OMAPFB_FORMAT_FLAG_TEARSYNC 0x0200
71#define OMAPFB_FORMAT_FLAG_FORCE_VSYNC 0x0400
72#define OMAPFB_FORMAT_FLAG_ENABLE_OVERLAY 0x0800
73#define OMAPFB_FORMAT_FLAG_DISABLE_OVERLAY 0x1000
74
75#define OMAPFB_EVENT_READY 1
76#define OMAPFB_EVENT_DISABLED 2
77
78#define OMAPFB_MEMTYPE_SDRAM 0
79#define OMAPFB_MEMTYPE_SRAM 1
80#define OMAPFB_MEMTYPE_MAX 1
81
82enum omapfb_color_format {
83 OMAPFB_COLOR_RGB565 = 0,
84 OMAPFB_COLOR_YUV422,
85 OMAPFB_COLOR_YUV420,
86 OMAPFB_COLOR_CLUT_8BPP,
87 OMAPFB_COLOR_CLUT_4BPP,
88 OMAPFB_COLOR_CLUT_2BPP,
89 OMAPFB_COLOR_CLUT_1BPP,
90 OMAPFB_COLOR_RGB444,
91 OMAPFB_COLOR_YUY422,
92};
93
94struct omapfb_update_window {
95 __u32 x, y;
96 __u32 width, height;
97 __u32 format;
98 __u32 out_x, out_y;
99 __u32 out_width, out_height;
100 __u32 reserved[8];
101};
102
103struct omapfb_update_window_old {
104 __u32 x, y;
105 __u32 width, height;
106 __u32 format;
107};
108
109enum omapfb_plane {
110 OMAPFB_PLANE_GFX = 0,
111 OMAPFB_PLANE_VID1,
112 OMAPFB_PLANE_VID2,
113};
114
115enum omapfb_channel_out {
116 OMAPFB_CHANNEL_OUT_LCD = 0,
117 OMAPFB_CHANNEL_OUT_DIGIT,
118};
119
120struct omapfb_plane_info {
121 __u32 pos_x;
122 __u32 pos_y;
123 __u8 enabled;
124 __u8 channel_out;
125 __u8 mirror;
126 __u8 reserved1;
127 __u32 out_width;
128 __u32 out_height;
129 __u32 reserved2[12];
130};
131
132struct omapfb_mem_info {
133 __u32 size;
134 __u8 type;
135 __u8 reserved[3];
136};
137
138struct omapfb_caps {
139 __u32 ctrl;
140 __u32 plane_color;
141 __u32 wnd_color;
142};
143
144enum omapfb_color_key_type {
145 OMAPFB_COLOR_KEY_DISABLED = 0,
146 OMAPFB_COLOR_KEY_GFX_DST,
147 OMAPFB_COLOR_KEY_VID_SRC,
148};
149
150struct omapfb_color_key {
151 __u8 channel_out;
152 __u32 background;
153 __u32 trans_key;
154 __u8 key_type;
155};
156
157enum omapfb_update_mode {
158 OMAPFB_UPDATE_DISABLED = 0,
159 OMAPFB_AUTO_UPDATE,
160 OMAPFB_MANUAL_UPDATE
161};
162
163#ifdef __KERNEL__
164
165#include <linux/completion.h>
166#include <linux/interrupt.h>
167#include <linux/fb.h>
168#include <linux/mutex.h>
169
170#include <asm/arch/board.h>
171
172#define OMAP_LCDC_INV_VSYNC 0x0001
173#define OMAP_LCDC_INV_HSYNC 0x0002
174#define OMAP_LCDC_INV_PIX_CLOCK 0x0004
175#define OMAP_LCDC_INV_OUTPUT_EN 0x0008
176#define OMAP_LCDC_HSVS_RISING_EDGE 0x0010
177#define OMAP_LCDC_HSVS_OPPOSITE 0x0020
178
179#define OMAP_LCDC_SIGNAL_MASK 0x003f
180
181#define OMAP_LCDC_PANEL_TFT 0x0100
182
183#define OMAPFB_PLANE_XRES_MIN 8
184#define OMAPFB_PLANE_YRES_MIN 8
185
186#ifdef CONFIG_ARCH_OMAP1
187#define OMAPFB_PLANE_NUM 1
188#else
189#define OMAPFB_PLANE_NUM 3
190#endif
191
192struct omapfb_device;
193
194struct lcd_panel {
195 const char *name;
196 int config; /* TFT/STN, signal inversion */
197 int bpp; /* Pixel format in fb mem */
198 int data_lines; /* Lines on LCD HW interface */
199
200 int x_res, y_res;
201 int pixel_clock; /* In kHz */
202 int hsw; /* Horizontal synchronization
203 pulse width */
204 int hfp; /* Horizontal front porch */
205 int hbp; /* Horizontal back porch */
206 int vsw; /* Vertical synchronization
207 pulse width */
208 int vfp; /* Vertical front porch */
209 int vbp; /* Vertical back porch */
210 int acb; /* ac-bias pin frequency */
211 int pcd; /* pixel clock divider.
212 Obsolete use pixel_clock instead */
213
214 int (*init) (struct lcd_panel *panel,
215 struct omapfb_device *fbdev);
216 void (*cleanup) (struct lcd_panel *panel);
217 int (*enable) (struct lcd_panel *panel);
218 void (*disable) (struct lcd_panel *panel);
219 unsigned long (*get_caps) (struct lcd_panel *panel);
220 int (*set_bklight_level)(struct lcd_panel *panel,
221 unsigned int level);
222 unsigned int (*get_bklight_level)(struct lcd_panel *panel);
223 unsigned int (*get_bklight_max) (struct lcd_panel *panel);
224 int (*run_test) (struct lcd_panel *panel, int test_num);
225};
226
227struct extif_timings {
228 int cs_on_time;
229 int cs_off_time;
230 int we_on_time;
231 int we_off_time;
232 int re_on_time;
233 int re_off_time;
234 int we_cycle_time;
235 int re_cycle_time;
236 int cs_pulse_width;
237 int access_time;
238
239 int clk_div;
240
241 u32 tim[5]; /* set by extif->convert_timings */
242
243 int converted;
244};
245
246struct lcd_ctrl_extif {
247 int (*init) (struct omapfb_device *fbdev);
248 void (*cleanup) (void);
249 void (*get_clk_info) (u32 *clk_period, u32 *max_clk_div);
250 unsigned long (*get_max_tx_rate)(void);
251 int (*convert_timings) (struct extif_timings *timings);
252 void (*set_timings) (const struct extif_timings *timings);
253 void (*set_bits_per_cycle)(int bpc);
254 void (*write_command) (const void *buf, unsigned int len);
255 void (*read_data) (void *buf, unsigned int len);
256 void (*write_data) (const void *buf, unsigned int len);
257 void (*transfer_area) (int width, int height,
258 void (callback)(void * data), void *data);
259 int (*setup_tearsync) (unsigned pin_cnt,
260 unsigned hs_pulse_time, unsigned vs_pulse_time,
261 int hs_pol_inv, int vs_pol_inv, int div);
262 int (*enable_tearsync) (int enable, unsigned line);
263
264 unsigned long max_transmit_size;
265};
266
267struct omapfb_notifier_block {
268 struct notifier_block nb;
269 void *data;
270 int plane_idx;
271};
272
273typedef int (*omapfb_notifier_callback_t)(struct notifier_block *,
274 unsigned long event,
275 void *fbi);
276
277struct omapfb_mem_region {
278 dma_addr_t paddr;
279 void *vaddr;
280 unsigned long size;
281 u8 type; /* OMAPFB_PLANE_MEM_* */
282 unsigned alloc:1; /* allocated by the driver */
283 unsigned map:1; /* kernel mapped by the driver */
284};
285
286struct omapfb_mem_desc {
287 int region_cnt;
288 struct omapfb_mem_region region[OMAPFB_PLANE_NUM];
289};
290
291struct lcd_ctrl {
292 const char *name;
293 void *data;
294
295 int (*init) (struct omapfb_device *fbdev,
296 int ext_mode,
297 struct omapfb_mem_desc *req_md);
298 void (*cleanup) (void);
299 void (*bind_client) (struct omapfb_notifier_block *nb);
300 void (*get_caps) (int plane, struct omapfb_caps *caps);
301 int (*set_update_mode)(enum omapfb_update_mode mode);
302 enum omapfb_update_mode (*get_update_mode)(void);
303 int (*setup_plane) (int plane, int channel_out,
304 unsigned long offset,
305 int screen_width,
306 int pos_x, int pos_y, int width,
307 int height, int color_mode);
308 int (*setup_mem) (int plane, size_t size,
309 int mem_type, unsigned long *paddr);
310 int (*mmap) (struct fb_info *info,
311 struct vm_area_struct *vma);
312 int (*set_scale) (int plane,
313 int orig_width, int orig_height,
314 int out_width, int out_height);
315 int (*enable_plane) (int plane, int enable);
316 int (*update_window) (struct fb_info *fbi,
317 struct omapfb_update_window *win,
318 void (*callback)(void *),
319 void *callback_data);
320 void (*sync) (void);
321 void (*suspend) (void);
322 void (*resume) (void);
323 int (*run_test) (int test_num);
324 int (*setcolreg) (u_int regno, u16 red, u16 green,
325 u16 blue, u16 transp,
326 int update_hw_mem);
327 int (*set_color_key) (struct omapfb_color_key *ck);
328 int (*get_color_key) (struct omapfb_color_key *ck);
329};
330
331enum omapfb_state {
332 OMAPFB_DISABLED = 0,
333 OMAPFB_SUSPENDED= 99,
334 OMAPFB_ACTIVE = 100
335};
336
337struct omapfb_plane_struct {
338 int idx;
339 struct omapfb_plane_info info;
340 enum omapfb_color_format color_mode;
341 struct omapfb_device *fbdev;
342};
343
344struct omapfb_device {
345 int state;
346 int ext_lcdc; /* Using external
347 LCD controller */
348 struct mutex rqueue_mutex;
349
350 int palette_size;
351 u32 pseudo_palette[17];
352
353 struct lcd_panel *panel; /* LCD panel */
354 struct lcd_ctrl *ctrl; /* LCD controller */
355 struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */
356 struct lcd_ctrl_extif *ext_if; /* LCD ctrl external
357 interface */
358 struct device *dev;
359 struct fb_var_screeninfo new_var; /* for mode changes */
360
361 struct omapfb_mem_desc mem_desc;
362 struct fb_info *fb_info[OMAPFB_PLANE_NUM];
363};
364
365struct omapfb_platform_data {
366 struct omap_lcd_config lcd;
367 struct omapfb_mem_desc mem_desc;
368 void *ctrl_platform_data;
369};
370
371#ifdef CONFIG_ARCH_OMAP1
372extern struct lcd_ctrl omap1_lcd_ctrl;
373#else
374extern struct lcd_ctrl omap2_disp_ctrl;
375#endif
376
377extern void omapfb_register_panel(struct lcd_panel *panel);
378extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval);
379extern void omapfb_notify_clients(struct omapfb_device *fbdev,
380 unsigned long event);
381extern int omapfb_register_client(struct omapfb_notifier_block *nb,
382 omapfb_notifier_callback_t callback,
383 void *callback_data);
384extern int omapfb_unregister_client(struct omapfb_notifier_block *nb);
385extern int omapfb_update_window_async(struct fb_info *fbi,
386 struct omapfb_update_window *win,
387 void (*callback)(void *),
388 void *callback_data);
389
390/* in arch/arm/plat-omap/fb.c */
391extern void omapfb_set_ctrl_platform_data(void *pdata);
392
393#endif /* __KERNEL__ */
394
395#endif /* __OMAPFB_H */
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