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blk: rq_data_dir() should not return a boolean
[cris-mirror.git] / arch / arm / mach-pxa / tavorevb.c
bloba71da84e784b75fcf9f740758ee0cb0604d3f741
1 /*
2 * linux/arch/arm/mach-pxa/tavorevb.c
3 *
4 * Support for the Marvell PXA930 Evaluation Board
5 *
6 * Copyright (C) 2007-2008 Marvell International Ltd.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * publishhed by the Free Software Foundation.
11 */
12
13 #include <linux/module.h>
14 #include <linux/kernel.h>
15 #include <linux/interrupt.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/clk.h>
19 #include <linux/gpio.h>
20 #include <linux/smc91x.h>
21 #include <linux/pwm_backlight.h>
22
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25
26 #include <mach/pxa930.h>
27 #include <linux/platform_data/video-pxafb.h>
28 #include <linux/platform_data/keypad-pxa27x.h>
29
30 #include "devices.h"
31 #include "generic.h"
32
33 /* Tavor EVB MFP configurations */
34 static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = {
35 /* Ethernet */
36 DF_nCS1_nCS3,
37 GPIO47_GPIO,
38
39 /* LCD */
40 GPIO23_LCD_DD0,
41 GPIO24_LCD_DD1,
42 GPIO25_LCD_DD2,
43 GPIO26_LCD_DD3,
44 GPIO27_LCD_DD4,
45 GPIO28_LCD_DD5,
46 GPIO29_LCD_DD6,
47 GPIO44_LCD_DD7,
48 GPIO21_LCD_CS,
49 GPIO22_LCD_CS2,
50
51 GPIO17_LCD_FCLK_RD,
52 GPIO18_LCD_LCLK_A0,
53 GPIO19_LCD_PCLK_WR,
54
55 /* LCD Backlight */
56 GPIO43_PWM3, /* primary backlight */
57 GPIO32_PWM0, /* secondary backlight */
58
59 /* Keypad */
60 GPIO0_KP_MKIN_0,
61 GPIO2_KP_MKIN_1,
62 GPIO4_KP_MKIN_2,
63 GPIO6_KP_MKIN_3,
64 GPIO8_KP_MKIN_4,
65 GPIO10_KP_MKIN_5,
66 GPIO12_KP_MKIN_6,
67 GPIO1_KP_MKOUT_0,
68 GPIO3_KP_MKOUT_1,
69 GPIO5_KP_MKOUT_2,
70 GPIO7_KP_MKOUT_3,
71 GPIO9_KP_MKOUT_4,
72 GPIO11_KP_MKOUT_5,
73 GPIO13_KP_MKOUT_6,
74
75 GPIO14_KP_DKIN_2,
76 GPIO15_KP_DKIN_3,
77 };
78
79 #define TAVOREVB_ETH_PHYS (0x14000000)
80
81 static struct resource smc91x_resources[] = {
82 [0] = {
83 .start = (TAVOREVB_ETH_PHYS + 0x300),
84 .end = (TAVOREVB_ETH_PHYS + 0xfffff),
85 .flags = IORESOURCE_MEM,
86 },
87 [1] = {
88 .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
89 .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
90 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
91 }
92 };
93
94 static struct smc91x_platdata tavorevb_smc91x_info = {
95 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
96 };
97
98 static struct platform_device smc91x_device = {
99 .name = "smc91x",
100 .id = 0,
101 .num_resources = ARRAY_SIZE(smc91x_resources),
102 .resource = smc91x_resources,
103 .dev = {
104 .platform_data = &tavorevb_smc91x_info,
105 },
106 };
107
108 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
109 static const unsigned int tavorevb_matrix_key_map[] = {
110 /* KEY(row, col, key_code) */
111 KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C),
112 KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G),
113 KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K),
114 KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O),
115 KEY(4, 5, KEY_R), KEY(4, 6, KEY_S),
116 KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W),
117
118 KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z),
119
120 KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3),
121 KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7),
122 KEY(1, 3, KEY_8), KEY(0, 2, KEY_9),
123
124 KEY(6, 6, KEY_SPACE),
125 KEY(0, 0, KEY_KPASTERISK), /* * */
126 KEY(0, 1, KEY_KPDOT), /* # */
127
128 KEY(4, 1, KEY_UP),
129 KEY(4, 3, KEY_DOWN),
130 KEY(4, 0, KEY_LEFT),
131 KEY(4, 2, KEY_RIGHT),
132 KEY(6, 0, KEY_HOME),
133 KEY(3, 2, KEY_END),
134 KEY(6, 1, KEY_DELETE),
135 KEY(5, 2, KEY_BACK),
136 KEY(6, 3, KEY_CAPSLOCK), /* KEY_LEFTSHIFT), */
137
138 KEY(4, 4, KEY_ENTER), /* scroll push */
139 KEY(6, 2, KEY_ENTER), /* keypad action */
140
141 KEY(3, 1, KEY_SEND),
142 KEY(5, 3, KEY_RECORD),
143 KEY(5, 0, KEY_VOLUMEUP),
144 KEY(5, 1, KEY_VOLUMEDOWN),
145
146 KEY(3, 0, KEY_F22), /* soft1 */
147 KEY(3, 3, KEY_F23), /* soft2 */
148 };
149
150 static struct matrix_keymap_data tavorevb_matrix_keymap_data = {
151 .keymap = tavorevb_matrix_key_map,
152 .keymap_size = ARRAY_SIZE(tavorevb_matrix_key_map),
153 };
154
155 static struct pxa27x_keypad_platform_data tavorevb_keypad_info = {
156 .matrix_key_rows = 7,
157 .matrix_key_cols = 7,
158 .matrix_keymap_data = &tavorevb_matrix_keymap_data,
159 .debounce_interval = 30,
160 };
161
162 static void __init tavorevb_init_keypad(void)
163 {
164 pxa_set_keypad_info(&tavorevb_keypad_info);
165 }
166 #else
167 static inline void tavorevb_init_keypad(void) {}
168 #endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */
169
170 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
171 static struct platform_pwm_backlight_data tavorevb_backlight_data[] = {
172 [0] = {
173 /* primary backlight */
174 .pwm_id = 2,
175 .max_brightness = 100,
176 .dft_brightness = 100,
177 .pwm_period_ns = 100000,
178 .enable_gpio = -1,
179 },
180 [1] = {
181 /* secondary backlight */
182 .pwm_id = 0,
183 .max_brightness = 100,
184 .dft_brightness = 100,
185 .pwm_period_ns = 100000,
186 .enable_gpio = -1,
187 },
188 };
189
190 static struct platform_device tavorevb_backlight_devices[] = {
191 [0] = {
192 .name = "pwm-backlight",
193 .id = 0,
194 .dev = {
195 .platform_data = &tavorevb_backlight_data[0],
196 },
197 },
198 [1] = {
199 .name = "pwm-backlight",
200 .id = 1,
201 .dev = {
202 .platform_data = &tavorevb_backlight_data[1],
203 },
204 },
205 };
206
207 static uint16_t panel_init[] = {
208 /* DSTB OUT */
209 SMART_CMD(0x00),
210 SMART_CMD_NOOP,
211 SMART_DELAY(1),
212
213 SMART_CMD(0x00),
214 SMART_CMD_NOOP,
215 SMART_DELAY(1),
216
217 SMART_CMD(0x00),
218 SMART_CMD_NOOP,
219 SMART_DELAY(1),
220
221 /* STB OUT */
222 SMART_CMD(0x00),
223 SMART_CMD(0x1D),
224 SMART_DAT(0x00),
225 SMART_DAT(0x05),
226 SMART_DELAY(1),
227
228 /* P-ON Init sequence */
229 SMART_CMD(0x00), /* OSC ON */
230 SMART_CMD(0x00),
231 SMART_DAT(0x00),
232 SMART_DAT(0x01),
233 SMART_CMD(0x00),
234 SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
235 SMART_DAT(0x01),
236 SMART_DAT(0x27),
237 SMART_CMD(0x00),
238 SMART_CMD(0x02), /* LINE INV */
239 SMART_DAT(0x02),
240 SMART_DAT(0x00),
241 SMART_CMD(0x00),
242 SMART_CMD(0x03), /* IF mode(1) */
243 SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
244 SMART_DAT(0x30),
245 SMART_CMD(0x07),
246 SMART_CMD(0x00), /* RAM Write Mode */
247 SMART_DAT(0x00),
248 SMART_DAT(0x03),
249 SMART_CMD(0x00),
250
251 /* DISPLAY Setting, 262K, fixed(NO scroll), no split screen */
252 SMART_CMD(0x07),
253 SMART_DAT(0x40), /* 16/18/19 BPP */
254 SMART_DAT(0x00),
255 SMART_CMD(0x00),
256 SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
257 SMART_DAT(0x03),
258 SMART_DAT(0x02),
259 SMART_CMD(0x00),
260 SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
261 SMART_DAT(0x00),
262 SMART_DAT(0x00),
263 SMART_CMD(0x00),
264 SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
265 SMART_DAT(0x00),
266 SMART_DAT(0x10),
267 SMART_CMD(0x00),
268 SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
269 SMART_DAT(0x03),
270 SMART_DAT(0x02),
271 SMART_CMD(0x00),
272 SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
273 SMART_DAT(0x01),
274 SMART_DAT(0x02),
275 SMART_CMD(0x00),
276 SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
277 SMART_DAT(0x00),
278 SMART_DAT(0x00),
279 SMART_CMD(0x00),
280 SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
281 SMART_DAT(0x20),
282 SMART_DAT(0x00),
283 SMART_CMD(0x00),
284 SMART_CMD(0x1C),
285 SMART_DAT(0x00),
286 SMART_DAT(0x00),
287 SMART_CMD(0x03),
288 SMART_CMD(0x00),
289 SMART_DAT(0x04),
290 SMART_DAT(0x03),
291 SMART_CMD(0x03),
292 SMART_CMD(0x01),
293 SMART_DAT(0x03),
294 SMART_DAT(0x04),
295 SMART_CMD(0x03),
296 SMART_CMD(0x02),
297 SMART_DAT(0x04),
298 SMART_DAT(0x03),
299 SMART_CMD(0x03),
300 SMART_CMD(0x03),
301 SMART_DAT(0x03),
302 SMART_DAT(0x03),
303 SMART_CMD(0x03),
304 SMART_CMD(0x04),
305 SMART_DAT(0x01),
306 SMART_DAT(0x01),
307 SMART_CMD(0x03),
308 SMART_CMD(0x05),
309 SMART_DAT(0x00),
310 SMART_DAT(0x00),
311 SMART_CMD(0x04),
312 SMART_CMD(0x02),
313 SMART_DAT(0x00),
314 SMART_DAT(0x00),
315 SMART_CMD(0x04),
316 SMART_CMD(0x03),
317 SMART_DAT(0x01),
318 SMART_DAT(0x3F),
319 SMART_DELAY(0),
320
321 /* DISP RAM setting: 240*320 */
322 SMART_CMD(0x04), /* HADDR, START 0 */
323 SMART_CMD(0x06),
324 SMART_DAT(0x00),
325 SMART_DAT(0x00), /* x1,3 */
326 SMART_CMD(0x04), /* HADDR, END 4 */
327 SMART_CMD(0x07),
328 SMART_DAT(0x00),
329 SMART_DAT(0xEF), /* x2, 7 */
330 SMART_CMD(0x04), /* VADDR, START 8 */
331 SMART_CMD(0x08),
332 SMART_DAT(0x00), /* y1, 10 */
333 SMART_DAT(0x00), /* y1, 11 */
334 SMART_CMD(0x04), /* VADDR, END 12 */
335 SMART_CMD(0x09),
336 SMART_DAT(0x01), /* y2, 14 */
337 SMART_DAT(0x3F), /* y2, 15 */
338 SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
339 SMART_CMD(0x00),
340 SMART_DAT(0x00),
341 SMART_DAT(0x00), /* x1, 19 */
342 SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
343 SMART_CMD(0x01),
344 SMART_DAT(0x00), /* y1, 22 */
345 SMART_DAT(0x00), /* y1, 23 */
346 };
347
348 static uint16_t panel_on[] = {
349 /* Power-IC ON */
350 SMART_CMD(0x01),
351 SMART_CMD(0x02),
352 SMART_DAT(0x07),
353 SMART_DAT(0x7D),
354 SMART_CMD(0x01),
355 SMART_CMD(0x03),
356 SMART_DAT(0x00),
357 SMART_DAT(0x05),
358 SMART_CMD(0x01),
359 SMART_CMD(0x04),
360 SMART_DAT(0x00),
361 SMART_DAT(0x00),
362 SMART_CMD(0x01),
363 SMART_CMD(0x05),
364 SMART_DAT(0x00),
365 SMART_DAT(0x15),
366 SMART_CMD(0x01),
367 SMART_CMD(0x00),
368 SMART_DAT(0xC0),
369 SMART_DAT(0x10),
370 SMART_DELAY(30),
371
372 /* DISP ON */
373 SMART_CMD(0x01),
374 SMART_CMD(0x01),
375 SMART_DAT(0x00),
376 SMART_DAT(0x01),
377 SMART_CMD(0x01),
378 SMART_CMD(0x00),
379 SMART_DAT(0xFF),
380 SMART_DAT(0xFE),
381 SMART_DELAY(150),
382 };
383
384 static uint16_t panel_off[] = {
385 SMART_CMD(0x00),
386 SMART_CMD(0x1E),
387 SMART_DAT(0x00),
388 SMART_DAT(0x0A),
389 SMART_CMD(0x01),
390 SMART_CMD(0x00),
391 SMART_DAT(0xFF),
392 SMART_DAT(0xEE),
393 SMART_CMD(0x01),
394 SMART_CMD(0x00),
395 SMART_DAT(0xF8),
396 SMART_DAT(0x12),
397 SMART_CMD(0x01),
398 SMART_CMD(0x00),
399 SMART_DAT(0xE8),
400 SMART_DAT(0x11),
401 SMART_CMD(0x01),
402 SMART_CMD(0x00),
403 SMART_DAT(0xC0),
404 SMART_DAT(0x11),
405 SMART_CMD(0x01),
406 SMART_CMD(0x00),
407 SMART_DAT(0x40),
408 SMART_DAT(0x11),
409 SMART_CMD(0x01),
410 SMART_CMD(0x00),
411 SMART_DAT(0x00),
412 SMART_DAT(0x10),
413 };
414
415 static uint16_t update_framedata[] = {
416 /* write ram */
417 SMART_CMD(0x02),
418 SMART_CMD(0x02),
419
420 /* write frame data */
421 SMART_CMD_WRITE_FRAME,
422 };
423
424 static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
425 {
426 struct fb_info *info = container_of(var, struct fb_info, var);
427
428 if (on) {
429 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
430 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
431 } else {
432 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
433 }
434
435 if (pxafb_smart_flush(info))
436 pr_err("%s: timed out\n", __func__);
437 }
438
439 static void ltm020d550_update(struct fb_info *info)
440 {
441 pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
442 pxafb_smart_flush(info);
443 }
444
445 static struct pxafb_mode_info toshiba_ltm020d550_modes[] = {
446 [0] = {
447 .xres = 240,
448 .yres = 320,
449 .bpp = 16,
450 .a0csrd_set_hld = 30,
451 .a0cswr_set_hld = 30,
452 .wr_pulse_width = 30,
453 .rd_pulse_width = 170,
454 .op_hold_time = 30,
455 .cmd_inh_time = 60,
456
457 /* L_LCLK_A0 and L_LCLK_RD active low */
458 .sync = FB_SYNC_HOR_HIGH_ACT |
459 FB_SYNC_VERT_HIGH_ACT,
460 },
461 };
462
463 static struct pxafb_mach_info tavorevb_lcd_info = {
464 .modes = toshiba_ltm020d550_modes,
465 .num_modes = 1,
466 .lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
467 .pxafb_lcd_power = ltm020d550_lcd_power,
468 .smart_update = ltm020d550_update,
469 };
470
471 static void __init tavorevb_init_lcd(void)
472 {
473 platform_device_register(&tavorevb_backlight_devices[0]);
474 platform_device_register(&tavorevb_backlight_devices[1]);
475 pxa_set_fb_info(NULL, &tavorevb_lcd_info);
476 }
477 #else
478 static inline void tavorevb_init_lcd(void) {}
479 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
480
481 static void __init tavorevb_init(void)
482 {
483 /* initialize MFP configurations */
484 pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg));
485
486 pxa_set_ffuart_info(NULL);
487 pxa_set_btuart_info(NULL);
488 pxa_set_stuart_info(NULL);
489
490 platform_device_register(&smc91x_device);
491
492 tavorevb_init_lcd();
493 tavorevb_init_keypad();
494 }
495
496 MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)")
497 /* Maintainer: Eric Miao <eric.miao@marvell.com> */
498 .atag_offset = 0x100,
499 .map_io = pxa3xx_map_io,
500 .nr_irqs = PXA_NR_IRQS,
501 .init_irq = pxa3xx_init_irq,
502 .handle_irq = pxa3xx_handle_irq,
503 .init_time = pxa_timer_init,
504 .init_machine = tavorevb_init,
505 .restart = pxa_restart,
506 MACHINE_END
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