1 /*
2 * File: arch/arm/plat-omap/include/mach/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_WINDOW_ROTATE 0x00080000
66 #define OMAPFB_CAPS_SET_BACKLIGHT 0x01000000
67
68 /* Values from DSP must map to lower 16-bits */
69 #define OMAPFB_FORMAT_MASK 0x00ff
70 #define OMAPFB_FORMAT_FLAG_DOUBLE 0x0100
71 #define OMAPFB_FORMAT_FLAG_TEARSYNC 0x0200
72 #define OMAPFB_FORMAT_FLAG_FORCE_VSYNC 0x0400
73 #define OMAPFB_FORMAT_FLAG_ENABLE_OVERLAY 0x0800
74 #define OMAPFB_FORMAT_FLAG_DISABLE_OVERLAY 0x1000
75
76 #define OMAPFB_EVENT_READY 1
77 #define OMAPFB_EVENT_DISABLED 2
78
79 #define OMAPFB_MEMTYPE_SDRAM 0
80 #define OMAPFB_MEMTYPE_SRAM 1
81 #define OMAPFB_MEMTYPE_MAX 1
82
83 enum omapfb_color_format {
84 OMAPFB_COLOR_RGB565 = 0,
85 OMAPFB_COLOR_YUV422,
86 OMAPFB_COLOR_YUV420,
87 OMAPFB_COLOR_CLUT_8BPP,
88 OMAPFB_COLOR_CLUT_4BPP,
89 OMAPFB_COLOR_CLUT_2BPP,
90 OMAPFB_COLOR_CLUT_1BPP,
91 OMAPFB_COLOR_RGB444,
92 OMAPFB_COLOR_YUY422,
93 };
94
95 struct omapfb_update_window {
96 __u32 x, y;
97 __u32 width, height;
98 __u32 format;
99 __u32 out_x, out_y;
100 __u32 out_width, out_height;
101 __u32 reserved[8];
102 };
103
104 struct omapfb_update_window_old {
105 __u32 x, y;
106 __u32 width, height;
107 __u32 format;
108 };
109
110 enum omapfb_plane {
111 OMAPFB_PLANE_GFX = 0,
112 OMAPFB_PLANE_VID1,
113 OMAPFB_PLANE_VID2,
114 };
115
116 enum omapfb_channel_out {
117 OMAPFB_CHANNEL_OUT_LCD = 0,
118 OMAPFB_CHANNEL_OUT_DIGIT,
119 };
120
121 struct omapfb_plane_info {
122 __u32 pos_x;
123 __u32 pos_y;
124 __u8 enabled;
125 __u8 channel_out;
126 __u8 mirror;
127 __u8 reserved1;
128 __u32 out_width;
129 __u32 out_height;
130 __u32 reserved2[12];
131 };
132
133 struct omapfb_mem_info {
134 __u32 size;
135 __u8 type;
136 __u8 reserved[3];
137 };
138
139 struct omapfb_caps {
140 __u32 ctrl;
141 __u32 plane_color;
142 __u32 wnd_color;
143 };
144
145 enum omapfb_color_key_type {
146 OMAPFB_COLOR_KEY_DISABLED = 0,
147 OMAPFB_COLOR_KEY_GFX_DST,
148 OMAPFB_COLOR_KEY_VID_SRC,
149 };
150
151 struct omapfb_color_key {
152 __u8 channel_out;
153 __u32 background;
154 __u32 trans_key;
155 __u8 key_type;
156 };
157
158 enum omapfb_update_mode {
159 OMAPFB_UPDATE_DISABLED = 0,
160 OMAPFB_AUTO_UPDATE,
161 OMAPFB_MANUAL_UPDATE
162 };
163
164 #ifdef __KERNEL__
165
166 #include <linux/completion.h>
167 #include <linux/interrupt.h>
168 #include <linux/fb.h>
169 #include <linux/mutex.h>
170
171 #include <mach/board.h>
172
173 #define OMAP_LCDC_INV_VSYNC 0x0001
174 #define OMAP_LCDC_INV_HSYNC 0x0002
175 #define OMAP_LCDC_INV_PIX_CLOCK 0x0004
176 #define OMAP_LCDC_INV_OUTPUT_EN 0x0008
177 #define OMAP_LCDC_HSVS_RISING_EDGE 0x0010
178 #define OMAP_LCDC_HSVS_OPPOSITE 0x0020
179
180 #define OMAP_LCDC_SIGNAL_MASK 0x003f
181
182 #define OMAP_LCDC_PANEL_TFT 0x0100
183
184 #define OMAPFB_PLANE_XRES_MIN 8
185 #define OMAPFB_PLANE_YRES_MIN 8
186
187 #ifdef CONFIG_ARCH_OMAP1
188 #define OMAPFB_PLANE_NUM 1
189 #else
190 #define OMAPFB_PLANE_NUM 3
191 #endif
192
193 struct omapfb_device;
194
195 struct lcd_panel {
196 const char *name;
197 int config; /* TFT/STN, signal inversion */
198 int bpp; /* Pixel format in fb mem */
199 int data_lines; /* Lines on LCD HW interface */
200
201 int x_res, y_res;
202 int pixel_clock; /* In kHz */
203 int hsw; /* Horizontal synchronization
204 pulse width */
205 int hfp; /* Horizontal front porch */
206 int hbp; /* Horizontal back porch */
207 int vsw; /* Vertical synchronization
208 pulse width */
209 int vfp; /* Vertical front porch */
210 int vbp; /* Vertical back porch */
211 int acb; /* ac-bias pin frequency */
212 int pcd; /* pixel clock divider.
213 Obsolete use pixel_clock instead */
214
215 int (*init) (struct lcd_panel *panel,
216 struct omapfb_device *fbdev);
217 void (*cleanup) (struct lcd_panel *panel);
218 int (*enable) (struct lcd_panel *panel);
219 void (*disable) (struct lcd_panel *panel);
220 unsigned long (*get_caps) (struct lcd_panel *panel);
221 int (*set_bklight_level)(struct lcd_panel *panel,
222 unsigned int level);
223 unsigned int (*get_bklight_level)(struct lcd_panel *panel);
224 unsigned int (*get_bklight_max) (struct lcd_panel *panel);
225 int (*run_test) (struct lcd_panel *panel, int test_num);
226 };
227
228 struct extif_timings {
229 int cs_on_time;
230 int cs_off_time;
231 int we_on_time;
232 int we_off_time;
233 int re_on_time;
234 int re_off_time;
235 int we_cycle_time;
236 int re_cycle_time;
237 int cs_pulse_width;
238 int access_time;
239
240 int clk_div;
241
242 u32 tim[5]; /* set by extif->convert_timings */
243
244 int converted;
245 };
246
247 struct lcd_ctrl_extif {
248 int (*init) (struct omapfb_device *fbdev);
249 void (*cleanup) (void);
250 void (*get_clk_info) (u32 *clk_period, u32 *max_clk_div);
251 unsigned long (*get_max_tx_rate)(void);
252 int (*convert_timings) (struct extif_timings *timings);
253 void (*set_timings) (const struct extif_timings *timings);
254 void (*set_bits_per_cycle)(int bpc);
255 void (*write_command) (const void *buf, unsigned int len);
256 void (*read_data) (void *buf, unsigned int len);
257 void (*write_data) (const void *buf, unsigned int len);
258 void (*transfer_area) (int width, int height,
259 void (callback)(void * data), void *data);
260 int (*setup_tearsync) (unsigned pin_cnt,
261 unsigned hs_pulse_time, unsigned vs_pulse_time,
262 int hs_pol_inv, int vs_pol_inv, int div);
263 int (*enable_tearsync) (int enable, unsigned line);
264
265 unsigned long max_transmit_size;
266 };
267
268 struct omapfb_notifier_block {
269 struct notifier_block nb;
270 void *data;
271 int plane_idx;
272 };
273
274 typedef int (*omapfb_notifier_callback_t)(struct notifier_block *,
275 unsigned long event,
276 void *fbi);
277
278 struct omapfb_mem_region {
279 dma_addr_t paddr;
280 void *vaddr;
281 unsigned long size;
282 u8 type; /* OMAPFB_PLANE_MEM_* */
283 unsigned alloc:1; /* allocated by the driver */
284 unsigned map:1; /* kernel mapped by the driver */
285 };
286
287 struct omapfb_mem_desc {
288 int region_cnt;
289 struct omapfb_mem_region region[OMAPFB_PLANE_NUM];
290 };
291
292 struct lcd_ctrl {
293 const char *name;
294 void *data;
295
296 int (*init) (struct omapfb_device *fbdev,
297 int ext_mode,
298 struct omapfb_mem_desc *req_md);
299 void (*cleanup) (void);
300 void (*bind_client) (struct omapfb_notifier_block *nb);
301 void (*get_caps) (int plane, struct omapfb_caps *caps);
302 int (*set_update_mode)(enum omapfb_update_mode mode);
303 enum omapfb_update_mode (*get_update_mode)(void);
304 int (*setup_plane) (int plane, int channel_out,
305 unsigned long offset,
306 int screen_width,
307 int pos_x, int pos_y, int width,
308 int height, int color_mode);
309 int (*set_rotate) (int angle);
310 int (*setup_mem) (int plane, size_t size,
311 int mem_type, unsigned long *paddr);
312 int (*mmap) (struct fb_info *info,
313 struct vm_area_struct *vma);
314 int (*set_scale) (int plane,
315 int orig_width, int orig_height,
316 int out_width, int out_height);
317 int (*enable_plane) (int plane, int enable);
318 int (*update_window) (struct fb_info *fbi,
319 struct omapfb_update_window *win,
320 void (*callback)(void *),
321 void *callback_data);
322 void (*sync) (void);
323 void (*suspend) (void);
324 void (*resume) (void);
325 int (*run_test) (int test_num);
326 int (*setcolreg) (u_int regno, u16 red, u16 green,
327 u16 blue, u16 transp,
328 int update_hw_mem);
329 int (*set_color_key) (struct omapfb_color_key *ck);
330 int (*get_color_key) (struct omapfb_color_key *ck);
331 };
332
333 enum omapfb_state {
334 OMAPFB_DISABLED = 0,
335 OMAPFB_SUSPENDED= 99,
336 OMAPFB_ACTIVE = 100
337 };
338
339 struct omapfb_plane_struct {
340 int idx;
341 struct omapfb_plane_info info;
342 enum omapfb_color_format color_mode;
343 struct omapfb_device *fbdev;
344 };
345
346 struct omapfb_device {
347 int state;
348 int ext_lcdc; /* Using external
349 LCD controller */
350 struct mutex rqueue_mutex;
351
352 int palette_size;
353 u32 pseudo_palette[17];
354
355 struct lcd_panel *panel; /* LCD panel */
356 const struct lcd_ctrl *ctrl; /* LCD controller */
357 const struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */
358 struct lcd_ctrl_extif *ext_if; /* LCD ctrl external
359 interface */
360 struct device *dev;
361 struct fb_var_screeninfo new_var; /* for mode changes */
362
363 struct omapfb_mem_desc mem_desc;
364 struct fb_info *fb_info[OMAPFB_PLANE_NUM];
365 };
366
367 struct omapfb_platform_data {
368 struct omap_lcd_config lcd;
369 struct omapfb_mem_desc mem_desc;
370 void *ctrl_platform_data;
371 };
372
373 #ifdef CONFIG_ARCH_OMAP1
374 extern struct lcd_ctrl omap1_lcd_ctrl;
375 #else
376 extern struct lcd_ctrl omap2_disp_ctrl;
377 #endif
378
379 extern void omapfb_reserve_sdram(void);
380 extern void omapfb_register_panel(struct lcd_panel *panel);
381 extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval);
382 extern void omapfb_notify_clients(struct omapfb_device *fbdev,
383 unsigned long event);
384 extern int omapfb_register_client(struct omapfb_notifier_block *nb,
385 omapfb_notifier_callback_t callback,
386 void *callback_data);
387 extern int omapfb_unregister_client(struct omapfb_notifier_block *nb);
388 extern int omapfb_update_window_async(struct fb_info *fbi,
389 struct omapfb_update_window *win,
390 void (*callback)(void *),
391 void *callback_data);
392
393 /* in arch/arm/plat-omap/fb.c */
394 extern void omapfb_set_ctrl_platform_data(void *pdata);
395
396 #endif /* __KERNEL__ */
397
398 #endif /* __OMAPFB_H */
399
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