[ARM] pxa: separate GPIOs and their mode definitions to pxa2xx-gpio.h
[deliverable/linux.git] / arch / arm / mach-pxa / corgi.c
CommitLineData
1da177e4
LT
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>
d052d1be 17#include <linux/platform_device.h>
1da177e4
LT
18#include <linux/major.h>
19#include <linux/fs.h>
20#include <linux/interrupt.h>
21#include <linux/mmc/host.h>
74617fb6 22#include <linux/pm.h>
c3f8f650 23#include <linux/backlight.h>
ca4d6cfc 24#include <video/w100fb.h>
1da177e4
LT
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>
74617fb6 32#include <asm/system.h>
1da177e4
LT
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>
a683b14d 39#include <asm/arch/pxa2xx-gpio.h>
ca1140b5 40#include <asm/arch/irda.h>
1da177e4
LT
41#include <asm/arch/mmc.h>
42#include <asm/arch/udc.h>
43#include <asm/arch/corgi.h>
1036260e 44#include <asm/arch/sharpsl.h>
1da177e4
LT
45
46#include <asm/mach/sharpsl_param.h>
47#include <asm/hardware/scoop.h>
1da177e4
LT
48
49#include "generic.h"
46c41e62 50#include "devices.h"
50a5de44 51#include "sharpsl.h"
1da177e4
LT
52
53
54/*
55 * Corgi SCOOP Device
56 */
57static struct resource corgi_scoop_resources[] = {
58 [0] = {
59 .start = 0x10800000,
60 .end = 0x10800fff,
61 .flags = IORESOURCE_MEM,
62 },
63};
64
65static struct scoop_config corgi_scoop_setup = {
66 .io_dir = CORGI_SCOOP_IO_DIR,
67 .io_out = CORGI_SCOOP_IO_OUT,
68};
69
a63ae442
RP
70struct platform_device corgiscoop_device = {
71 .name = "sharp-scoop",
72 .id = -1,
73 .dev = {
74 .platform_data = &corgi_scoop_setup,
75 },
76 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
77 .resource = corgi_scoop_resources,
78};
79
80static void corgi_pcmcia_init(void)
81{
82 /* Setup default state of GPIO outputs
83 before we enable them as outputs. */
84 GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
85 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
86 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
87 GPIO_bit(GPIO53_nPCE_2);
88
89 pxa_gpio_mode(GPIO48_nPOE_MD);
90 pxa_gpio_mode(GPIO49_nPWE_MD);
91 pxa_gpio_mode(GPIO50_nPIOR_MD);
92 pxa_gpio_mode(GPIO51_nPIOW_MD);
93 pxa_gpio_mode(GPIO55_nPREG_MD);
94 pxa_gpio_mode(GPIO56_nPWAIT_MD);
95 pxa_gpio_mode(GPIO57_nIOIS16_MD);
96 pxa_gpio_mode(GPIO52_nPCE_1_MD);
97 pxa_gpio_mode(GPIO53_nPCE_2_MD);
98 pxa_gpio_mode(GPIO54_pSKTSEL_MD);
99}
100
0ce7625f
RP
101static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
102{
103 .dev = &corgiscoop_device.dev,
104 .irq = CORGI_IRQ_GPIO_CF_IRQ,
105 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
106 .cd_irq_str = "PCMCIA0 CD",
107},
108};
109
a63ae442
RP
110static struct scoop_pcmcia_config corgi_pcmcia_config = {
111 .devs = &corgi_pcmcia_scoop[0],
112 .num_devs = 1,
113 .pcmcia_init = corgi_pcmcia_init,
1da177e4
LT
114};
115
a63ae442
RP
116EXPORT_SYMBOL(corgiscoop_device);
117
1da177e4
LT
118
119/*
120 * Corgi SSP Device
121 *
122 * Set the parent as the scoop device because a lot of SSP devices
123 * also use scoop functions and this makes the power up/down order
124 * work correctly.
125 */
41b1bce8 126struct platform_device corgissp_device = {
1da177e4
LT
127 .name = "corgi-ssp",
128 .dev = {
129 .parent = &corgiscoop_device.dev,
130 },
131 .id = -1,
132};
133
50a5de44
RP
134struct corgissp_machinfo corgi_ssp_machinfo = {
135 .port = 1,
136 .cs_lcdcon = CORGI_GPIO_LCDCON_CS,
137 .cs_ads7846 = CORGI_GPIO_ADS7846_CS,
138 .cs_max1111 = CORGI_GPIO_MAX1111_CS,
139 .clk_lcdcon = 76,
140 .clk_ads7846 = 2,
141 .clk_max1111 = 8,
142};
143
1da177e4 144
ca4d6cfc
RP
145/*
146 * LCD/Framebuffer
147 */
148static void w100_lcdtg_suspend(struct w100fb_par *par)
149{
150 corgi_lcdtg_suspend();
151}
152
153static void w100_lcdtg_init(struct w100fb_par *par)
154{
155 corgi_lcdtg_hw_init(par->xres);
156}
157
158
159static struct w100_tg_info corgi_lcdtg_info = {
160 .change = w100_lcdtg_init,
161 .suspend = w100_lcdtg_suspend,
162 .resume = w100_lcdtg_init,
163};
164
165static struct w100_mem_info corgi_fb_mem = {
166 .ext_cntl = 0x00040003,
167 .sdram_mode_reg = 0x00650021,
168 .ext_timing_cntl = 0x10002a4a,
169 .io_cntl = 0x7ff87012,
170 .size = 0x1fffff,
171};
172
173static struct w100_gen_regs corgi_fb_regs = {
174 .lcd_format = 0x00000003,
175 .lcdd_cntl1 = 0x01CC0000,
176 .lcdd_cntl2 = 0x0003FFFF,
177 .genlcd_cntl1 = 0x00FFFF0D,
178 .genlcd_cntl2 = 0x003F3003,
179 .genlcd_cntl3 = 0x000102aa,
180};
181
182static struct w100_gpio_regs corgi_fb_gpio = {
183 .init_data1 = 0x000000bf,
184 .init_data2 = 0x00000000,
185 .gpio_dir1 = 0x00000000,
186 .gpio_oe1 = 0x03c0feff,
187 .gpio_dir2 = 0x00000000,
188 .gpio_oe2 = 0x00000000,
189};
190
191static struct w100_mode corgi_fb_modes[] = {
192{
193 .xres = 480,
194 .yres = 640,
195 .left_margin = 0x56,
196 .right_margin = 0x55,
197 .upper_margin = 0x03,
198 .lower_margin = 0x00,
199 .crtc_ss = 0x82360056,
200 .crtc_ls = 0xA0280000,
201 .crtc_gs = 0x80280028,
202 .crtc_vpos_gs = 0x02830002,
203 .crtc_rev = 0x00400008,
204 .crtc_dclk = 0xA0000000,
205 .crtc_gclk = 0x8015010F,
206 .crtc_goe = 0x80100110,
207 .crtc_ps1_active = 0x41060010,
208 .pll_freq = 75,
209 .fast_pll_freq = 100,
210 .sysclk_src = CLK_SRC_PLL,
211 .sysclk_divider = 0,
212 .pixclk_src = CLK_SRC_PLL,
213 .pixclk_divider = 2,
214 .pixclk_divider_rotated = 6,
215},{
216 .xres = 240,
217 .yres = 320,
218 .left_margin = 0x27,
219 .right_margin = 0x2e,
220 .upper_margin = 0x01,
221 .lower_margin = 0x00,
222 .crtc_ss = 0x81170027,
223 .crtc_ls = 0xA0140000,
224 .crtc_gs = 0xC0140014,
225 .crtc_vpos_gs = 0x00010141,
226 .crtc_rev = 0x00400008,
227 .crtc_dclk = 0xA0000000,
228 .crtc_gclk = 0x8015010F,
229 .crtc_goe = 0x80100110,
230 .crtc_ps1_active = 0x41060010,
231 .pll_freq = 0,
232 .fast_pll_freq = 0,
233 .sysclk_src = CLK_SRC_XTAL,
234 .sysclk_divider = 0,
235 .pixclk_src = CLK_SRC_XTAL,
236 .pixclk_divider = 1,
237 .pixclk_divider_rotated = 1,
238},
239
240};
241
242static struct w100fb_mach_info corgi_fb_info = {
243 .tg = &corgi_lcdtg_info,
244 .init_mode = INIT_MODE_ROTATED,
245 .mem = &corgi_fb_mem,
246 .regs = &corgi_fb_regs,
247 .modelist = &corgi_fb_modes[0],
248 .num_modes = 2,
249 .gpio = &corgi_fb_gpio,
250 .xtal_freq = 12500000,
251 .xtal_dbl = 0,
252};
253
254static struct resource corgi_fb_resources[] = {
255 [0] = {
256 .start = 0x08000000,
257 .end = 0x08ffffff,
258 .flags = IORESOURCE_MEM,
259 },
260};
261
262static struct platform_device corgifb_device = {
263 .name = "w100fb",
264 .id = -1,
265 .num_resources = ARRAY_SIZE(corgi_fb_resources),
266 .resource = corgi_fb_resources,
267 .dev = {
268 .platform_data = &corgi_fb_info,
269 .parent = &corgissp_device.dev,
270 },
271
272};
273
274
1da177e4
LT
275/*
276 * Corgi Backlight Device
277 */
c3f8f650
RP
278static void corgi_bl_kick_battery(void)
279{
280 void (*kick_batt)(void);
281
282 kick_batt = symbol_get(sharpsl_battery_kick);
283 if (kick_batt) {
284 kick_batt();
285 symbol_put(sharpsl_battery_kick);
286 }
287}
288
ca4d6cfc
RP
289static void corgi_bl_set_intensity(int intensity)
290{
291 if (intensity > 0x10)
292 intensity += 0x10;
293
294 /* Bits 0-4 are accessed via the SSP interface */
295 corgi_ssp_blduty_set(intensity & 0x1f);
296
297 /* Bit 5 is via SCOOP */
298 if (intensity & 0x0020)
299 set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
300 else
301 reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
302}
303
c3f8f650
RP
304static struct generic_bl_info corgi_bl_machinfo = {
305 .name = "corgi-bl",
1351e6e0 306 .max_intensity = 0x2f,
2c0f5fb0
RP
307 .default_intensity = 0x1f,
308 .limit_mask = 0x0b,
1351e6e0 309 .set_bl_intensity = corgi_bl_set_intensity,
c3f8f650 310 .kick_battery = corgi_bl_kick_battery,
1351e6e0
RP
311};
312
1da177e4 313static struct platform_device corgibl_device = {
c3f8f650 314 .name = "generic-bl",
1da177e4
LT
315 .dev = {
316 .parent = &corgifb_device.dev,
1351e6e0 317 .platform_data = &corgi_bl_machinfo,
1da177e4
LT
318 },
319 .id = -1,
320};
321
322
f7ceff34
RP
323/*
324 * Corgi Keyboard Device
325 */
326static struct platform_device corgikbd_device = {
327 .name = "corgi-keyboard",
328 .id = -1,
329};
330
331
3179108d
RP
332/*
333 * Corgi LEDs
334 */
335static struct platform_device corgiled_device = {
336 .name = "corgi-led",
337 .id = -1,
338};
339
ca4d6cfc 340
f7ceff34
RP
341/*
342 * Corgi Touch Screen Device
343 */
ca4d6cfc
RP
344static unsigned long (*get_hsync_invperiod)(struct device *dev);
345
346static void inline sharpsl_wait_sync(int gpio)
347{
348 while((GPLR(gpio) & GPIO_bit(gpio)) == 0);
349 while((GPLR(gpio) & GPIO_bit(gpio)) != 0);
350}
351
352static unsigned long corgi_get_hsync_invperiod(void)
353{
354 if (!get_hsync_invperiod)
355 get_hsync_invperiod = symbol_get(w100fb_get_hsynclen);
356 if (!get_hsync_invperiod)
357 return 0;
358
359 return get_hsync_invperiod(&corgifb_device.dev);
360}
361
362static void corgi_put_hsync(void)
363{
364 if (get_hsync_invperiod)
365 symbol_put(w100fb_get_hsynclen);
366 get_hsync_invperiod = NULL;
367}
368
369static void corgi_wait_hsync(void)
370{
371 sharpsl_wait_sync(CORGI_GPIO_HSYNC);
372}
373
513b6e1a
RP
374static struct resource corgits_resources[] = {
375 [0] = {
376 .start = CORGI_IRQ_GPIO_TP_INT,
377 .end = CORGI_IRQ_GPIO_TP_INT,
378 .flags = IORESOURCE_IRQ,
379 },
380};
381
382static struct corgits_machinfo corgi_ts_machinfo = {
ca4d6cfc
RP
383 .get_hsync_invperiod = corgi_get_hsync_invperiod,
384 .put_hsync = corgi_put_hsync,
385 .wait_hsync = corgi_wait_hsync,
513b6e1a
RP
386};
387
f7ceff34
RP
388static struct platform_device corgits_device = {
389 .name = "corgi-ts",
390 .dev = {
391 .parent = &corgissp_device.dev,
513b6e1a 392 .platform_data = &corgi_ts_machinfo,
f7ceff34
RP
393 },
394 .id = -1,
513b6e1a
RP
395 .num_resources = ARRAY_SIZE(corgits_resources),
396 .resource = corgits_resources,
f7ceff34
RP
397};
398
399
1da177e4
LT
400/*
401 * MMC/SD Device
402 *
aa6c2e79 403 * The card detect interrupt isn't debounced so we delay it by 250ms
1da177e4
LT
404 * to give the card a chance to fully insert/eject.
405 */
aa6c2e79 406static struct pxamci_platform_data corgi_mci_platform_data;
1da177e4 407
40220c1a 408static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, void *data)
1da177e4
LT
409{
410 int err;
411
412 /* setup GPIO for PXA25x MMC controller */
413 pxa_gpio_mode(GPIO6_MMCCLK_MD);
414 pxa_gpio_mode(GPIO8_MMCCS0_MD);
415 pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
416 pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);
417
aa6c2e79 418 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
1da177e4 419
9ded96f2 420 err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
52e405ea 421 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
9ded96f2 422 "MMC card detect", data);
2687bd38 423 if (err)
1da177e4 424 printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
1da177e4 425
2687bd38 426 return err;
1da177e4
LT
427}
428
429static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
430{
431 struct pxamci_platform_data* p_d = dev->platform_data;
432
fdce05bb 433 if (( 1 << vdd) & p_d->ocr_mask)
1da177e4 434 GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
fdce05bb 435 else
1da177e4 436 GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
1da177e4
LT
437}
438
3870ee8c
RP
439static int corgi_mci_get_ro(struct device *dev)
440{
441 return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
442}
443
1da177e4
LT
444static void corgi_mci_exit(struct device *dev, void *data)
445{
446 free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
1da177e4
LT
447}
448
449static struct pxamci_platform_data corgi_mci_platform_data = {
450 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
451 .init = corgi_mci_init,
3870ee8c 452 .get_ro = corgi_mci_get_ro,
1da177e4
LT
453 .setpower = corgi_mci_setpower,
454 .exit = corgi_mci_exit,
455};
456
457
ca1140b5
RP
458/*
459 * Irda
460 */
461static void corgi_irda_transceiver_mode(struct device *dev, int mode)
462{
463 if (mode & IR_OFF)
464 GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
465 else
466 GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
467}
468
469static struct pxaficp_platform_data corgi_ficp_platform_data = {
470 .transceiver_cap = IR_SIRMODE | IR_OFF,
471 .transceiver_mode = corgi_irda_transceiver_mode,
472};
473
f7ceff34 474
1da177e4
LT
475/*
476 * USB Device Controller
477 */
1da177e4
LT
478static struct pxa2xx_udc_mach_info udc_info __initdata = {
479 /* no connect GPIO; corgi can't tell connection status */
b2bbb20b 480 .gpio_pullup = CORGI_GPIO_USB_PULLUP,
1da177e4
LT
481};
482
483
484static struct platform_device *devices[] __initdata = {
485 &corgiscoop_device,
486 &corgissp_device,
487 &corgifb_device,
f7ceff34 488 &corgikbd_device,
1da177e4 489 &corgibl_device,
f7ceff34 490 &corgits_device,
3179108d 491 &corgiled_device,
1da177e4
LT
492};
493
74617fb6
RP
494static void corgi_poweroff(void)
495{
496 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
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
504static void corgi_restart(char mode)
505{
506 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
507
508 if (!machine_is_corgi())
509 /* Green LED on tells the bootloader to reboot */
510 set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
511 arm_machine_restart('h');
512}
513
1da177e4
LT
514static void __init corgi_init(void)
515{
74617fb6
RP
516 pm_power_off = corgi_poweroff;
517 arm_pm_restart = corgi_restart;
518
fdce05bb
RP
519 /* setup sleep mode values */
520 PWER = 0x00000002;
521 PFER = 0x00000000;
522 PRER = 0x00000002;
523 PGSR0 = 0x0158C000;
524 PGSR1 = 0x00FF0080;
525 PGSR2 = 0x0001C004;
526 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
527 PCFR |= PCFR_OPDE;
528
50a5de44
RP
529 corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
530
ca1140b5 531 pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT);
513b6e1a 532 pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
ca1140b5 533
1da177e4
LT
534 pxa_set_udc_info(&udc_info);
535 pxa_set_mci_info(&corgi_mci_platform_data);
ca1140b5 536 pxa_set_ficp_info(&corgi_ficp_platform_data);
1da177e4 537
a63ae442 538 platform_scoop_config = &corgi_pcmcia_config;
0ce7625f 539
1da177e4
LT
540 platform_add_devices(devices, ARRAY_SIZE(devices));
541}
542
543static void __init fixup_corgi(struct machine_desc *desc,
544 struct tag *tags, char **cmdline, struct meminfo *mi)
545{
546 sharpsl_save_param();
547 mi->nr_banks=1;
548 mi->bank[0].start = 0xa0000000;
549 mi->bank[0].node = 0;
550 if (machine_is_corgi())
551 mi->bank[0].size = (32*1024*1024);
552 else
553 mi->bank[0].size = (64*1024*1024);
554}
555
1da177e4
LT
556#ifdef CONFIG_MACH_CORGI
557MACHINE_START(CORGI, "SHARP Corgi")
e9dea0c6 558 .phys_io = 0x40000000,
68070bde 559 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
e9dea0c6 560 .fixup = fixup_corgi,
fdce05bb 561 .map_io = pxa_map_io,
cd49104d 562 .init_irq = pxa25x_init_irq,
e9dea0c6
RK
563 .init_machine = corgi_init,
564 .timer = &pxa_timer,
1da177e4
LT
565MACHINE_END
566#endif
567
568#ifdef CONFIG_MACH_SHEPHERD
569MACHINE_START(SHEPHERD, "SHARP Shepherd")
e9dea0c6 570 .phys_io = 0x40000000,
68070bde 571 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
e9dea0c6 572 .fixup = fixup_corgi,
fdce05bb 573 .map_io = pxa_map_io,
cd49104d 574 .init_irq = pxa25x_init_irq,
e9dea0c6
RK
575 .init_machine = corgi_init,
576 .timer = &pxa_timer,
1da177e4
LT
577MACHINE_END
578#endif
579
580#ifdef CONFIG_MACH_HUSKY
581MACHINE_START(HUSKY, "SHARP Husky")
e9dea0c6 582 .phys_io = 0x40000000,
68070bde 583 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
e9dea0c6 584 .fixup = fixup_corgi,
fdce05bb 585 .map_io = pxa_map_io,
cd49104d 586 .init_irq = pxa25x_init_irq,
e9dea0c6
RK
587 .init_machine = corgi_init,
588 .timer = &pxa_timer,
1da177e4
LT
589MACHINE_END
590#endif
591
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