[ARM] 5146/1: pxa2xx: convert all boards to call pxa2xx_transceiver_mode helper
[linux-2.6.git] / arch / arm / mach-pxa / corgi.c
1 /*
2  * Support for Sharp SL-C7xx PDAs
3  * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
4  *
5  * Copyright (c) 2004-2005 Richard Purdie
6  *
7  * Based on Sharp's 2.4 kernel patches/lubbock.c
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  *
13  */
14
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/major.h>
19 #include <linux/fs.h>
20 #include <linux/interrupt.h>
21 #include <linux/mmc/host.h>
22 #include <linux/pm.h>
23 #include <linux/backlight.h>
24 #include <video/w100fb.h>
25
26 #include <asm/setup.h>
27 #include <asm/memory.h>
28 #include <asm/mach-types.h>
29 #include <asm/hardware.h>
30 #include <asm/irq.h>
31 #include <asm/io.h>
32 #include <asm/system.h>
33
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
36 #include <asm/mach/irq.h>
37
38 #include <asm/arch/pxa-regs.h>
39 #include <asm/arch/pxa2xx-regs.h>
40 #include <asm/arch/pxa2xx-gpio.h>
41 #include <asm/arch/irda.h>
42 #include <asm/arch/mmc.h>
43 #include <asm/arch/udc.h>
44 #include <asm/arch/corgi.h>
45 #include <asm/arch/sharpsl.h>
46
47 #include <asm/mach/sharpsl_param.h>
48 #include <asm/hardware/scoop.h>
49
50 #include "generic.h"
51 #include "devices.h"
52 #include "sharpsl.h"
53
54
55 /*
56  * Corgi SCOOP Device
57  */
58 static struct resource corgi_scoop_resources[] = {
59         [0] = {
60                 .start          = 0x10800000,
61                 .end            = 0x10800fff,
62                 .flags          = IORESOURCE_MEM,
63         },
64 };
65
66 static struct scoop_config corgi_scoop_setup = {
67         .io_dir         = CORGI_SCOOP_IO_DIR,
68         .io_out         = CORGI_SCOOP_IO_OUT,
69 };
70
71 struct platform_device corgiscoop_device = {
72         .name           = "sharp-scoop",
73         .id             = -1,
74         .dev            = {
75                 .platform_data  = &corgi_scoop_setup,
76         },
77         .num_resources  = ARRAY_SIZE(corgi_scoop_resources),
78         .resource       = corgi_scoop_resources,
79 };
80
81 static void corgi_pcmcia_init(void)
82 {
83         /* Setup default state of GPIO outputs
84            before we enable them as outputs. */
85         GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
86                 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
87                 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
88                 GPIO_bit(GPIO53_nPCE_2);
89
90         pxa_gpio_mode(GPIO48_nPOE_MD);
91         pxa_gpio_mode(GPIO49_nPWE_MD);
92         pxa_gpio_mode(GPIO50_nPIOR_MD);
93         pxa_gpio_mode(GPIO51_nPIOW_MD);
94         pxa_gpio_mode(GPIO55_nPREG_MD);
95         pxa_gpio_mode(GPIO56_nPWAIT_MD);
96         pxa_gpio_mode(GPIO57_nIOIS16_MD);
97         pxa_gpio_mode(GPIO52_nPCE_1_MD);
98         pxa_gpio_mode(GPIO53_nPCE_2_MD);
99         pxa_gpio_mode(GPIO54_pSKTSEL_MD);
100 }
101
102 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
103 {
104         .dev        = &corgiscoop_device.dev,
105         .irq        = CORGI_IRQ_GPIO_CF_IRQ,
106         .cd_irq     = CORGI_IRQ_GPIO_CF_CD,
107         .cd_irq_str = "PCMCIA0 CD",
108 },
109 };
110
111 static struct scoop_pcmcia_config corgi_pcmcia_config = {
112         .devs         = &corgi_pcmcia_scoop[0],
113         .num_devs     = 1,
114         .pcmcia_init  = corgi_pcmcia_init,
115 };
116
117 EXPORT_SYMBOL(corgiscoop_device);
118
119
120 /*
121  * Corgi SSP Device
122  *
123  * Set the parent as the scoop device because a lot of SSP devices
124  * also use scoop functions and this makes the power up/down order
125  * work correctly.
126  */
127 struct platform_device corgissp_device = {
128         .name           = "corgi-ssp",
129         .dev            = {
130                 .parent = &corgiscoop_device.dev,
131         },
132         .id             = -1,
133 };
134
135 struct corgissp_machinfo corgi_ssp_machinfo = {
136         .port           = 1,
137         .cs_lcdcon      = CORGI_GPIO_LCDCON_CS,
138         .cs_ads7846     = CORGI_GPIO_ADS7846_CS,
139         .cs_max1111     = CORGI_GPIO_MAX1111_CS,
140         .clk_lcdcon     = 76,
141         .clk_ads7846    = 2,
142         .clk_max1111    = 8,
143 };
144
145
146 /*
147  * LCD/Framebuffer
148  */
149 static void w100_lcdtg_suspend(struct w100fb_par *par)
150 {
151         corgi_lcdtg_suspend();
152 }
153
154 static void w100_lcdtg_init(struct w100fb_par *par)
155 {
156         corgi_lcdtg_hw_init(par->xres);
157 }
158
159
160 static struct w100_tg_info corgi_lcdtg_info = {
161         .change  = w100_lcdtg_init,
162         .suspend = w100_lcdtg_suspend,
163         .resume  = w100_lcdtg_init,
164 };
165
166 static struct w100_mem_info corgi_fb_mem = {
167         .ext_cntl          = 0x00040003,
168         .sdram_mode_reg    = 0x00650021,
169         .ext_timing_cntl   = 0x10002a4a,
170         .io_cntl           = 0x7ff87012,
171         .size              = 0x1fffff,
172 };
173
174 static struct w100_gen_regs corgi_fb_regs = {
175         .lcd_format    = 0x00000003,
176         .lcdd_cntl1    = 0x01CC0000,
177         .lcdd_cntl2    = 0x0003FFFF,
178         .genlcd_cntl1  = 0x00FFFF0D,
179         .genlcd_cntl2  = 0x003F3003,
180         .genlcd_cntl3  = 0x000102aa,
181 };
182
183 static struct w100_gpio_regs corgi_fb_gpio = {
184         .init_data1   = 0x000000bf,
185         .init_data2   = 0x00000000,
186         .gpio_dir1    = 0x00000000,
187         .gpio_oe1     = 0x03c0feff,
188         .gpio_dir2    = 0x00000000,
189         .gpio_oe2     = 0x00000000,
190 };
191
192 static struct w100_mode corgi_fb_modes[] = {
193 {
194         .xres            = 480,
195         .yres            = 640,
196         .left_margin     = 0x56,
197         .right_margin    = 0x55,
198         .upper_margin    = 0x03,
199         .lower_margin    = 0x00,
200         .crtc_ss         = 0x82360056,
201         .crtc_ls         = 0xA0280000,
202         .crtc_gs         = 0x80280028,
203         .crtc_vpos_gs    = 0x02830002,
204         .crtc_rev        = 0x00400008,
205         .crtc_dclk       = 0xA0000000,
206         .crtc_gclk       = 0x8015010F,
207         .crtc_goe        = 0x80100110,
208         .crtc_ps1_active = 0x41060010,
209         .pll_freq        = 75,
210         .fast_pll_freq   = 100,
211         .sysclk_src      = CLK_SRC_PLL,
212         .sysclk_divider  = 0,
213         .pixclk_src      = CLK_SRC_PLL,
214         .pixclk_divider  = 2,
215         .pixclk_divider_rotated = 6,
216 },{
217         .xres            = 240,
218         .yres            = 320,
219         .left_margin     = 0x27,
220         .right_margin    = 0x2e,
221         .upper_margin    = 0x01,
222         .lower_margin    = 0x00,
223         .crtc_ss         = 0x81170027,
224         .crtc_ls         = 0xA0140000,
225         .crtc_gs         = 0xC0140014,
226         .crtc_vpos_gs    = 0x00010141,
227         .crtc_rev        = 0x00400008,
228         .crtc_dclk       = 0xA0000000,
229         .crtc_gclk       = 0x8015010F,
230         .crtc_goe        = 0x80100110,
231         .crtc_ps1_active = 0x41060010,
232         .pll_freq        = 0,
233         .fast_pll_freq   = 0,
234         .sysclk_src      = CLK_SRC_XTAL,
235         .sysclk_divider  = 0,
236         .pixclk_src      = CLK_SRC_XTAL,
237         .pixclk_divider  = 1,
238         .pixclk_divider_rotated = 1,
239 },
240
241 };
242
243 static struct w100fb_mach_info corgi_fb_info = {
244         .tg         = &corgi_lcdtg_info,
245         .init_mode  = INIT_MODE_ROTATED,
246         .mem        = &corgi_fb_mem,
247         .regs       = &corgi_fb_regs,
248         .modelist   = &corgi_fb_modes[0],
249         .num_modes  = 2,
250         .gpio       = &corgi_fb_gpio,
251         .xtal_freq  = 12500000,
252         .xtal_dbl   = 0,
253 };
254
255 static struct resource corgi_fb_resources[] = {
256         [0] = {
257                 .start   = 0x08000000,
258                 .end     = 0x08ffffff,
259                 .flags   = IORESOURCE_MEM,
260         },
261 };
262
263 static struct platform_device corgifb_device = {
264         .name           = "w100fb",
265         .id             = -1,
266         .num_resources  = ARRAY_SIZE(corgi_fb_resources),
267         .resource       = corgi_fb_resources,
268         .dev            = {
269                 .platform_data = &corgi_fb_info,
270                 .parent = &corgissp_device.dev,
271         },
272
273 };
274
275
276 /*
277  * Corgi Backlight Device
278  */
279 static void corgi_bl_kick_battery(void)
280 {
281         void (*kick_batt)(void);
282
283         kick_batt = symbol_get(sharpsl_battery_kick);
284         if (kick_batt) {
285                 kick_batt();
286                 symbol_put(sharpsl_battery_kick);
287         }
288 }
289
290 static void corgi_bl_set_intensity(int intensity)
291 {
292         if (intensity > 0x10)
293                 intensity += 0x10;
294
295         /* Bits 0-4 are accessed via the SSP interface */
296         corgi_ssp_blduty_set(intensity & 0x1f);
297
298         /* Bit 5 is via SCOOP */
299         if (intensity & 0x0020)
300                 set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
301         else
302                 reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
303 }
304
305 static struct generic_bl_info corgi_bl_machinfo = {
306         .name = "corgi-bl",
307         .max_intensity = 0x2f,
308         .default_intensity = 0x1f,
309         .limit_mask = 0x0b,
310         .set_bl_intensity = corgi_bl_set_intensity,
311         .kick_battery = corgi_bl_kick_battery,
312 };
313
314 static struct platform_device corgibl_device = {
315         .name           = "generic-bl",
316         .dev            = {
317                 .parent = &corgifb_device.dev,
318                 .platform_data  = &corgi_bl_machinfo,
319         },
320         .id             = -1,
321 };
322
323
324 /*
325  * Corgi Keyboard Device
326  */
327 static struct platform_device corgikbd_device = {
328         .name           = "corgi-keyboard",
329         .id             = -1,
330 };
331
332
333 /*
334  * Corgi LEDs
335  */
336 static struct platform_device corgiled_device = {
337         .name           = "corgi-led",
338         .id             = -1,
339 };
340
341
342 /*
343  * Corgi Touch Screen Device
344  */
345 static unsigned long (*get_hsync_invperiod)(struct device *dev);
346
347 static void inline sharpsl_wait_sync(int gpio)
348 {
349         while((GPLR(gpio) & GPIO_bit(gpio)) == 0);
350         while((GPLR(gpio) & GPIO_bit(gpio)) != 0);
351 }
352
353 static unsigned long corgi_get_hsync_invperiod(void)
354 {
355         if (!get_hsync_invperiod)
356                 get_hsync_invperiod = symbol_get(w100fb_get_hsynclen);
357         if (!get_hsync_invperiod)
358                 return 0;
359
360         return get_hsync_invperiod(&corgifb_device.dev);
361 }
362
363 static void corgi_put_hsync(void)
364 {
365         if (get_hsync_invperiod)
366                 symbol_put(w100fb_get_hsynclen);
367         get_hsync_invperiod = NULL;
368 }
369
370 static void corgi_wait_hsync(void)
371 {
372         sharpsl_wait_sync(CORGI_GPIO_HSYNC);
373 }
374
375 static struct resource corgits_resources[] = {
376         [0] = {
377                 .start          = CORGI_IRQ_GPIO_TP_INT,
378                 .end            = CORGI_IRQ_GPIO_TP_INT,
379                 .flags          = IORESOURCE_IRQ,
380         },
381 };
382
383 static struct corgits_machinfo  corgi_ts_machinfo = {
384         .get_hsync_invperiod = corgi_get_hsync_invperiod,
385         .put_hsync           = corgi_put_hsync,
386         .wait_hsync          = corgi_wait_hsync,
387 };
388
389 static struct platform_device corgits_device = {
390         .name           = "corgi-ts",
391         .dev            = {
392                 .parent = &corgissp_device.dev,
393                 .platform_data  = &corgi_ts_machinfo,
394         },
395         .id             = -1,
396         .num_resources  = ARRAY_SIZE(corgits_resources),
397         .resource       = corgits_resources,
398 };
399
400
401 /*
402  * MMC/SD Device
403  *
404  * The card detect interrupt isn't debounced so we delay it by 250ms
405  * to give the card a chance to fully insert/eject.
406  */
407 static struct pxamci_platform_data corgi_mci_platform_data;
408
409 static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, void *data)
410 {
411         int err;
412
413         /* setup GPIO for PXA25x MMC controller */
414         pxa_gpio_mode(GPIO6_MMCCLK_MD);
415         pxa_gpio_mode(GPIO8_MMCCS0_MD);
416         pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
417         pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);
418
419         corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
420
421         err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
422                           IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
423                           "MMC card detect", data);
424         if (err)
425                 printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
426
427         return err;
428 }
429
430 static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
431 {
432         struct pxamci_platform_data* p_d = dev->platform_data;
433
434         if (( 1 << vdd) & p_d->ocr_mask)
435                 GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
436         else
437                 GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
438 }
439
440 static int corgi_mci_get_ro(struct device *dev)
441 {
442         return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
443 }
444
445 static void corgi_mci_exit(struct device *dev, void *data)
446 {
447         free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
448 }
449
450 static struct pxamci_platform_data corgi_mci_platform_data = {
451         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
452         .init           = corgi_mci_init,
453         .get_ro         = corgi_mci_get_ro,
454         .setpower       = corgi_mci_setpower,
455         .exit           = corgi_mci_exit,
456 };
457
458
459 /*
460  * Irda
461  */
462 static void corgi_irda_transceiver_mode(struct device *dev, int mode)
463 {
464         if (mode & IR_OFF)
465                 GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
466         else
467                 GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
468         pxa2xx_transceiver_mode(dev, mode);
469 }
470
471 static struct pxaficp_platform_data corgi_ficp_platform_data = {
472         .transceiver_cap  = IR_SIRMODE | IR_OFF,
473         .transceiver_mode = corgi_irda_transceiver_mode,
474 };
475
476
477 /*
478  * USB Device Controller
479  */
480 static struct pxa2xx_udc_mach_info udc_info __initdata = {
481         /* no connect GPIO; corgi can't tell connection status */
482         .gpio_pullup            = CORGI_GPIO_USB_PULLUP,
483 };
484
485
486 static struct platform_device *devices[] __initdata = {
487         &corgiscoop_device,
488         &corgissp_device,
489         &corgifb_device,
490         &corgikbd_device,
491         &corgibl_device,
492         &corgits_device,
493         &corgiled_device,
494 };
495
496 static void corgi_poweroff(void)
497 {
498         if (!machine_is_corgi())
499                 /* Green LED off tells the bootloader to halt */
500                 reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
501         arm_machine_restart('h');
502 }
503
504 static void corgi_restart(char mode)
505 {
506         if (!machine_is_corgi())
507                 /* Green LED on tells the bootloader to reboot */
508                 set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
509         arm_machine_restart('h');
510 }
511
512 static void __init corgi_init(void)
513 {
514         pm_power_off = corgi_poweroff;
515         arm_pm_restart = corgi_restart;
516
517         /* setup sleep mode values */
518         PWER  = 0x00000002;
519         PFER  = 0x00000000;
520         PRER  = 0x00000002;
521         PGSR0 = 0x0158C000;
522         PGSR1 = 0x00FF0080;
523         PGSR2 = 0x0001C004;
524         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
525         PCFR |= PCFR_OPDE;
526
527         corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
528
529         pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT);
530         pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
531
532         pxa_set_udc_info(&udc_info);
533         pxa_set_mci_info(&corgi_mci_platform_data);
534         pxa_set_ficp_info(&corgi_ficp_platform_data);
535
536         platform_scoop_config = &corgi_pcmcia_config;
537
538         platform_add_devices(devices, ARRAY_SIZE(devices));
539 }
540
541 static void __init fixup_corgi(struct machine_desc *desc,
542                 struct tag *tags, char **cmdline, struct meminfo *mi)
543 {
544         sharpsl_save_param();
545         mi->nr_banks=1;
546         mi->bank[0].start = 0xa0000000;
547         mi->bank[0].node = 0;
548         if (machine_is_corgi())
549                 mi->bank[0].size = (32*1024*1024);
550         else
551                 mi->bank[0].size = (64*1024*1024);
552 }
553
554 #ifdef CONFIG_MACH_CORGI
555 MACHINE_START(CORGI, "SHARP Corgi")
556         .phys_io        = 0x40000000,
557         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
558         .fixup          = fixup_corgi,
559         .map_io         = pxa_map_io,
560         .init_irq       = pxa25x_init_irq,
561         .init_machine   = corgi_init,
562         .timer          = &pxa_timer,
563 MACHINE_END
564 #endif
565
566 #ifdef CONFIG_MACH_SHEPHERD
567 MACHINE_START(SHEPHERD, "SHARP Shepherd")
568         .phys_io        = 0x40000000,
569         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
570         .fixup          = fixup_corgi,
571         .map_io         = pxa_map_io,
572         .init_irq       = pxa25x_init_irq,
573         .init_machine   = corgi_init,
574         .timer          = &pxa_timer,
575 MACHINE_END
576 #endif
577
578 #ifdef CONFIG_MACH_HUSKY
579 MACHINE_START(HUSKY, "SHARP Husky")
580         .phys_io        = 0x40000000,
581         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
582         .fixup          = fixup_corgi,
583         .map_io         = pxa_map_io,
584         .init_irq       = pxa25x_init_irq,
585         .init_machine   = corgi_init,
586         .timer          = &pxa_timer,
587 MACHINE_END
588 #endif
589