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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/delay.h>
21#include <linux/fb.h>
22#include <linux/i2c.h>
23#include <linux/smc91x.h>
24#include <linux/mfd/da903x.h>
25
26#include <asm/mach-types.h>
27#include <asm/mach/arch.h>
28
29#include <mach/pxa930.h>
30#include <plat/i2c.h>
31#include <mach/pxafb.h>
32
33#include "devices.h"
34#include "generic.h"
35
36#define GPIO_LCD_RESET (16)
37
38
39static mfp_cfg_t saar_mfp_cfg[] __initdata = {
40
41 GPIO23_LCD_DD0,
42 GPIO24_LCD_DD1,
43 GPIO25_LCD_DD2,
44 GPIO26_LCD_DD3,
45 GPIO27_LCD_DD4,
46 GPIO28_LCD_DD5,
47 GPIO29_LCD_DD6,
48 GPIO44_LCD_DD7,
49 GPIO21_LCD_CS,
50 GPIO22_LCD_VSYNC,
51 GPIO17_LCD_FCLK_RD,
52 GPIO18_LCD_LCLK_A0,
53 GPIO19_LCD_PCLK_WR,
54 GPIO16_GPIO,
55
56
57 DF_nCS1_nCS3,
58 GPIO97_GPIO,
59};
60
61#define SAAR_ETH_PHYS (0x14000000)
62
63static struct resource smc91x_resources[] = {
64 [0] = {
65 .start = (SAAR_ETH_PHYS + 0x300),
66 .end = (SAAR_ETH_PHYS + 0xfffff),
67 .flags = IORESOURCE_MEM,
68 },
69 [1] = {
70 .start = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO97)),
71 .end = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO97)),
72 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
73 }
74};
75
76static struct smc91x_platdata saar_smc91x_info = {
77 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
78};
79
80static struct platform_device smc91x_device = {
81 .name = "smc91x",
82 .id = 0,
83 .num_resources = ARRAY_SIZE(smc91x_resources),
84 .resource = smc91x_resources,
85 .dev = {
86 .platform_data = &saar_smc91x_info,
87 },
88};
89
90#if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULE)
91static uint16_t lcd_power_on[] = {
92
93 SMART_CMD_NOOP,
94 SMART_CMD(0x00),
95 SMART_DELAY(0),
96
97 SMART_CMD_NOOP,
98 SMART_CMD(0x00),
99 SMART_DELAY(0),
100
101 SMART_CMD_NOOP,
102 SMART_CMD(0x00),
103 SMART_DELAY(0),
104
105 SMART_CMD_NOOP,
106 SMART_CMD(0x00),
107 SMART_DELAY(10),
108
109
110 SMART_CMD(0x00),
111 SMART_CMD(0xA4),
112 SMART_DAT(0x80),
113 SMART_DAT(0x01),
114 SMART_DELAY(150),
115
116
117 SMART_CMD(0x00),
118 SMART_CMD(0x01),
119 SMART_DAT(0x01),
120 SMART_DAT(0x00),
121 SMART_CMD(0x00),
122 SMART_CMD(0x02),
123 SMART_DAT(0x07),
124 SMART_DAT(0x00),
125 SMART_CMD(0x00),
126 SMART_CMD(0x03),
127 SMART_DAT(0xD0),
128 SMART_DAT(0x30),
129 SMART_CMD(0x00),
130 SMART_CMD(0x08),
131 SMART_DAT(0x08),
132 SMART_DAT(0x08),
133 SMART_CMD(0x00),
134 SMART_CMD(0x09),
135 SMART_DAT(0x04),
136 SMART_DAT(0x2F),
137 SMART_CMD(0x00),
138 SMART_CMD(0x0A),
139 SMART_DAT(0x00),
140 SMART_DAT(0x08),
141 SMART_CMD(0x00),
142 SMART_CMD(0x0D),
143 SMART_DAT(0x00),
144 SMART_DAT(0x08),
145 SMART_CMD(0x00),
146 SMART_CMD(0x60),
147 SMART_DAT(0x27),
148 SMART_DAT(0x00),
149 SMART_CMD(0x00),
150 SMART_CMD(0x61),
151 SMART_DAT(0x00),
152 SMART_DAT(0x01),
153 SMART_CMD(0x00),
154 SMART_CMD(0x30),
155 SMART_DAT(0x07),
156 SMART_DAT(0x07),
157 SMART_CMD(0x00),
158 SMART_CMD(0x31),
159 SMART_DAT(0x00),
160 SMART_DAT(0x07),
161 SMART_CMD(0x00),
162 SMART_CMD(0x32),
163 SMART_DAT(0x04),
164 SMART_DAT(0x00),
165 SMART_CMD(0x00),
166 SMART_CMD(0x33),
167 SMART_DAT(0x03),
168 SMART_DAT(0x03),
169 SMART_CMD(0x00),
170 SMART_CMD(0x34),
171 SMART_DAT(0x00),
172 SMART_DAT(0x00),
173 SMART_CMD(0x00),
174 SMART_CMD(0x35),
175 SMART_DAT(0x02),
176 SMART_DAT(0x05),
177 SMART_CMD(0x00),
178 SMART_CMD(0x36),
179 SMART_DAT(0x1F),
180 SMART_DAT(0x1F),
181 SMART_CMD(0x00),
182 SMART_CMD(0x37),
183 SMART_DAT(0x07),
184 SMART_DAT(0x07),
185 SMART_CMD(0x00),
186 SMART_CMD(0x38),
187 SMART_DAT(0x00),
188 SMART_DAT(0x07),
189 SMART_CMD(0x00),
190 SMART_CMD(0x39),
191 SMART_DAT(0x04),
192 SMART_DAT(0x00),
193 SMART_CMD(0x00),
194 SMART_CMD(0x3A),
195 SMART_DAT(0x03),
196 SMART_DAT(0x03),
197 SMART_CMD(0x00),
198 SMART_CMD(0x3B),
199 SMART_DAT(0x00),
200 SMART_DAT(0x00),
201 SMART_CMD(0x00),
202 SMART_CMD(0x3C),
203 SMART_DAT(0x02),
204 SMART_DAT(0x05),
205 SMART_CMD(0x00),
206 SMART_CMD(0x3D),
207 SMART_DAT(0x1F),
208 SMART_DAT(0x1F),
209 SMART_CMD(0x00),
210 SMART_CMD(0x07),
211 SMART_DAT(0x00),
212 SMART_DAT(0x01),
213 SMART_CMD(0x00),
214 SMART_CMD(0x17),
215 SMART_DAT(0x00),
216 SMART_DAT(0x01),
217 SMART_CMD(0x00),
218 SMART_CMD(0x10),
219 SMART_DAT(0x10),
220 SMART_DAT(0xB0),
221 SMART_CMD(0x00),
222 SMART_CMD(0x11),
223 SMART_DAT(0x01),
224 SMART_DAT(0x30),
225 SMART_CMD(0x00),
226 SMART_CMD(0x12),
227 SMART_DAT(0x01),
228 SMART_DAT(0x9E),
229 SMART_CMD(0x00),
230 SMART_CMD(0x13),
231 SMART_DAT(0x17),
232 SMART_DAT(0x00),
233 SMART_CMD(0x00),
234 SMART_CMD(0x12),
235 SMART_DAT(0x01),
236 SMART_DAT(0xBE),
237 SMART_DELAY(100),
238
239
240 SMART_CMD(0x00),
241 SMART_CMD(0x20),
242 SMART_DAT(0x00),
243 SMART_DAT(0x00),
244 SMART_CMD(0x00),
245 SMART_CMD(0x21),
246 SMART_DAT(0x00),
247 SMART_DAT(0x00),
248 SMART_CMD(0x00),
249 SMART_CMD(0x50),
250 SMART_DAT(0x00),
251 SMART_DAT(0x00),
252 SMART_CMD(0x00),
253 SMART_CMD(0x51),
254 SMART_DAT(0x00),
255 SMART_DAT(0xEF),
256 SMART_CMD(0x00),
257 SMART_CMD(0x52),
258 SMART_DAT(0x00),
259 SMART_DAT(0x00),
260 SMART_CMD(0x00),
261 SMART_CMD(0x53),
262 SMART_DAT(0x01),
263 SMART_DAT(0x3F),
264 SMART_CMD(0x00),
265 SMART_CMD(0x90),
266 SMART_DAT(0x00),
267 SMART_DAT(0x1A),
268 SMART_CMD(0x00),
269 SMART_CMD(0x92),
270 SMART_DAT(0x04),
271 SMART_DAT(0x00),
272 SMART_CMD(0x00),
273 SMART_CMD(0x93),
274 SMART_DAT(0x00),
275 SMART_DAT(0x05),
276 SMART_DELAY(20),
277};
278
279static uint16_t lcd_panel_on[] = {
280 SMART_CMD(0x00),
281 SMART_CMD(0x07),
282 SMART_DAT(0x00),
283 SMART_DAT(0x21),
284 SMART_DELAY(1),
285
286 SMART_CMD(0x00),
287 SMART_CMD(0x07),
288 SMART_DAT(0x00),
289 SMART_DAT(0x61),
290 SMART_DELAY(100),
291
292 SMART_CMD(0x00),
293 SMART_CMD(0x07),
294 SMART_DAT(0x01),
295 SMART_DAT(0x73),
296 SMART_DELAY(1),
297};
298
299static uint16_t lcd_panel_off[] = {
300 SMART_CMD(0x00),
301 SMART_CMD(0x07),
302 SMART_DAT(0x00),
303 SMART_DAT(0x72),
304 SMART_DELAY(40),
305
306 SMART_CMD(0x00),
307 SMART_CMD(0x07),
308 SMART_DAT(0x00),
309 SMART_DAT(0x01),
310 SMART_DELAY(1),
311
312 SMART_CMD(0x00),
313 SMART_CMD(0x07),
314 SMART_DAT(0x00),
315 SMART_DAT(0x00),
316 SMART_DELAY(1),
317};
318
319static uint16_t lcd_power_off[] = {
320 SMART_CMD(0x00),
321 SMART_CMD(0x10),
322 SMART_DAT(0x00),
323 SMART_DAT(0x80),
324
325 SMART_CMD(0x00),
326 SMART_CMD(0x11),
327 SMART_DAT(0x01),
328 SMART_DAT(0x60),
329
330 SMART_CMD(0x00),
331 SMART_CMD(0x12),
332 SMART_DAT(0x01),
333 SMART_DAT(0xAE),
334 SMART_DELAY(40),
335
336 SMART_CMD(0x00),
337 SMART_CMD(0x10),
338 SMART_DAT(0x00),
339 SMART_DAT(0x00),
340};
341
342static uint16_t update_framedata[] = {
343
344 SMART_CMD(0x00),
345 SMART_CMD(0x20),
346 SMART_DAT(0x00),
347 SMART_DAT(0x00),
348 SMART_CMD(0x00),
349 SMART_CMD(0x21),
350 SMART_DAT(0x00),
351 SMART_DAT(0x00),
352 SMART_CMD(0x00),
353 SMART_CMD(0x50),
354 SMART_DAT(0x00),
355 SMART_DAT(0x00),
356 SMART_CMD(0x00),
357 SMART_CMD(0x51),
358 SMART_DAT(0x00),
359 SMART_DAT(0xEF),
360 SMART_CMD(0x00),
361 SMART_CMD(0x52),
362 SMART_DAT(0x00),
363 SMART_DAT(0x00),
364 SMART_CMD(0x00),
365 SMART_CMD(0x53),
366 SMART_DAT(0x01),
367 SMART_DAT(0x3F),
368
369
370 SMART_CMD_WAIT_FOR_VSYNC,
371
372
373 SMART_CMD(0x00),
374 SMART_CMD(0x22),
375
376
377 SMART_CMD_WRITE_FRAME,
378};
379
380static void ltm022a97a_lcd_power(int on, struct fb_var_screeninfo *var)
381{
382 static int pin_requested = 0;
383 struct fb_info *info = container_of(var, struct fb_info, var);
384 int err;
385
386 if (!pin_requested) {
387 err = gpio_request(GPIO_LCD_RESET, "lcd reset");
388 if (err) {
389 pr_err("failed to request gpio for LCD reset\n");
390 return;
391 }
392
393 gpio_direction_output(GPIO_LCD_RESET, 0);
394 pin_requested = 1;
395 }
396
397 if (on) {
398 gpio_set_value(GPIO_LCD_RESET, 0); msleep(100);
399 gpio_set_value(GPIO_LCD_RESET, 1); msleep(10);
400
401 pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_power_on));
402 pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_panel_on));
403 } else {
404 pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_panel_off));
405 pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_power_off));
406 }
407
408 err = pxafb_smart_flush(info);
409 if (err)
410 pr_err("%s: timed out\n", __func__);
411}
412
413static void ltm022a97a_update(struct fb_info *info)
414{
415 pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
416 pxafb_smart_flush(info);
417}
418
419static struct pxafb_mode_info toshiba_ltm022a97a_modes[] = {
420 [0] = {
421 .xres = 240,
422 .yres = 320,
423 .bpp = 16,
424 .a0csrd_set_hld = 30,
425 .a0cswr_set_hld = 30,
426 .wr_pulse_width = 30,
427 .rd_pulse_width = 30,
428 .op_hold_time = 30,
429 .cmd_inh_time = 60,
430
431
432 .sync = FB_SYNC_HOR_HIGH_ACT |
433 FB_SYNC_VERT_HIGH_ACT,
434 },
435};
436
437static struct pxafb_mach_info saar_lcd_info = {
438 .modes = toshiba_ltm022a97a_modes,
439 .num_modes = 1,
440 .lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
441 .pxafb_lcd_power = ltm022a97a_lcd_power,
442 .smart_update = ltm022a97a_update,
443};
444
445static void __init saar_init_lcd(void)
446{
447 set_pxa_fb_info(&saar_lcd_info);
448}
449#else
450static inline void saar_init_lcd(void) {}
451#endif
452
453#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
454static struct da903x_subdev_info saar_da9034_subdevs[] = {
455 [0] = {
456 .name = "da903x-backlight",
457 .id = DA9034_ID_WLED,
458 },
459};
460
461static struct da903x_platform_data saar_da9034_info = {
462 .num_subdevs = ARRAY_SIZE(saar_da9034_subdevs),
463 .subdevs = saar_da9034_subdevs,
464};
465
466static struct i2c_board_info saar_i2c_info[] = {
467 [0] = {
468 .type = "da9034",
469 .addr = 0x34,
470 .platform_data = &saar_da9034_info,
471 .irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO83)),
472 },
473};
474
475static void __init saar_init_i2c(void)
476{
477 pxa_set_i2c_info(NULL);
478 i2c_register_board_info(0, ARRAY_AND_SIZE(saar_i2c_info));
479}
480#else
481static inline void saar_init_i2c(void) {}
482#endif
483static void __init saar_init(void)
484{
485
486 pxa3xx_mfp_config(ARRAY_AND_SIZE(saar_mfp_cfg));
487
488 platform_device_register(&smc91x_device);
489
490 saar_init_i2c();
491 saar_init_lcd();
492}
493
494MACHINE_START(SAAR, "PXA930 Handheld Platform (aka SAAR)")
495
496 .phys_io = 0x40000000,
497 .boot_params = 0xa0000100,
498 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
499 .map_io = pxa_map_io,
500 .init_irq = pxa3xx_init_irq,
501 .timer = &pxa_timer,
502 .init_machine = saar_init,
503MACHINE_END
504
