md: remove the 'super' sysfs attribute from devices in an 'md' array
[linux-2.6/openmoko-kernel/knife-kernel.git] / arch / arm / mach-pxa / corgi.c
blob9292576b83b3fc9557bee7f2a54dcc89b3e500c1
1 /*
2 * Support for Sharp SL-C7xx PDAs
3 * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
5 * Copyright (c) 2004-2005 Richard Purdie
7 * Based on Sharp's 2.4 kernel patches/lubbock.c
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.
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>
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>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
36 #include <asm/mach/irq.h>
38 #include <asm/arch/pxa-regs.h>
39 #include <asm/arch/irda.h>
40 #include <asm/arch/mmc.h>
41 #include <asm/arch/udc.h>
42 #include <asm/arch/corgi.h>
43 #include <asm/arch/sharpsl.h>
45 #include <asm/mach/sharpsl_param.h>
46 #include <asm/hardware/scoop.h>
48 #include "generic.h"
49 #include "devices.h"
50 #include "sharpsl.h"
54 * Corgi SCOOP Device
56 static struct resource corgi_scoop_resources[] = {
57 [0] = {
58 .start = 0x10800000,
59 .end = 0x10800fff,
60 .flags = IORESOURCE_MEM,
64 static struct scoop_config corgi_scoop_setup = {
65 .io_dir = CORGI_SCOOP_IO_DIR,
66 .io_out = CORGI_SCOOP_IO_OUT,
69 struct platform_device corgiscoop_device = {
70 .name = "sharp-scoop",
71 .id = -1,
72 .dev = {
73 .platform_data = &corgi_scoop_setup,
75 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
76 .resource = corgi_scoop_resources,
79 static void corgi_pcmcia_init(void)
81 /* Setup default state of GPIO outputs
82 before we enable them as outputs. */
83 GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
84 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
85 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
86 GPIO_bit(GPIO53_nPCE_2);
88 pxa_gpio_mode(GPIO48_nPOE_MD);
89 pxa_gpio_mode(GPIO49_nPWE_MD);
90 pxa_gpio_mode(GPIO50_nPIOR_MD);
91 pxa_gpio_mode(GPIO51_nPIOW_MD);
92 pxa_gpio_mode(GPIO55_nPREG_MD);
93 pxa_gpio_mode(GPIO56_nPWAIT_MD);
94 pxa_gpio_mode(GPIO57_nIOIS16_MD);
95 pxa_gpio_mode(GPIO52_nPCE_1_MD);
96 pxa_gpio_mode(GPIO53_nPCE_2_MD);
97 pxa_gpio_mode(GPIO54_pSKTSEL_MD);
100 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
102 .dev = &corgiscoop_device.dev,
103 .irq = CORGI_IRQ_GPIO_CF_IRQ,
104 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
105 .cd_irq_str = "PCMCIA0 CD",
109 static struct scoop_pcmcia_config corgi_pcmcia_config = {
110 .devs = &corgi_pcmcia_scoop[0],
111 .num_devs = 1,
112 .pcmcia_init = corgi_pcmcia_init,
115 EXPORT_SYMBOL(corgiscoop_device);
119 * Corgi SSP Device
121 * Set the parent as the scoop device because a lot of SSP devices
122 * also use scoop functions and this makes the power up/down order
123 * work correctly.
125 struct platform_device corgissp_device = {
126 .name = "corgi-ssp",
127 .dev = {
128 .parent = &corgiscoop_device.dev,
130 .id = -1,
133 struct corgissp_machinfo corgi_ssp_machinfo = {
134 .port = 1,
135 .cs_lcdcon = CORGI_GPIO_LCDCON_CS,
136 .cs_ads7846 = CORGI_GPIO_ADS7846_CS,
137 .cs_max1111 = CORGI_GPIO_MAX1111_CS,
138 .clk_lcdcon = 76,
139 .clk_ads7846 = 2,
140 .clk_max1111 = 8,
145 * LCD/Framebuffer
147 static void w100_lcdtg_suspend(struct w100fb_par *par)
149 corgi_lcdtg_suspend();
152 static void w100_lcdtg_init(struct w100fb_par *par)
154 corgi_lcdtg_hw_init(par->xres);
158 static struct w100_tg_info corgi_lcdtg_info = {
159 .change = w100_lcdtg_init,
160 .suspend = w100_lcdtg_suspend,
161 .resume = w100_lcdtg_init,
164 static struct w100_mem_info corgi_fb_mem = {
165 .ext_cntl = 0x00040003,
166 .sdram_mode_reg = 0x00650021,
167 .ext_timing_cntl = 0x10002a4a,
168 .io_cntl = 0x7ff87012,
169 .size = 0x1fffff,
172 static struct w100_gen_regs corgi_fb_regs = {
173 .lcd_format = 0x00000003,
174 .lcdd_cntl1 = 0x01CC0000,
175 .lcdd_cntl2 = 0x0003FFFF,
176 .genlcd_cntl1 = 0x00FFFF0D,
177 .genlcd_cntl2 = 0x003F3003,
178 .genlcd_cntl3 = 0x000102aa,
181 static struct w100_gpio_regs corgi_fb_gpio = {
182 .init_data1 = 0x000000bf,
183 .init_data2 = 0x00000000,
184 .gpio_dir1 = 0x00000000,
185 .gpio_oe1 = 0x03c0feff,
186 .gpio_dir2 = 0x00000000,
187 .gpio_oe2 = 0x00000000,
190 static struct w100_mode corgi_fb_modes[] = {
192 .xres = 480,
193 .yres = 640,
194 .left_margin = 0x56,
195 .right_margin = 0x55,
196 .upper_margin = 0x03,
197 .lower_margin = 0x00,
198 .crtc_ss = 0x82360056,
199 .crtc_ls = 0xA0280000,
200 .crtc_gs = 0x80280028,
201 .crtc_vpos_gs = 0x02830002,
202 .crtc_rev = 0x00400008,
203 .crtc_dclk = 0xA0000000,
204 .crtc_gclk = 0x8015010F,
205 .crtc_goe = 0x80100110,
206 .crtc_ps1_active = 0x41060010,
207 .pll_freq = 75,
208 .fast_pll_freq = 100,
209 .sysclk_src = CLK_SRC_PLL,
210 .sysclk_divider = 0,
211 .pixclk_src = CLK_SRC_PLL,
212 .pixclk_divider = 2,
213 .pixclk_divider_rotated = 6,
215 .xres = 240,
216 .yres = 320,
217 .left_margin = 0x27,
218 .right_margin = 0x2e,
219 .upper_margin = 0x01,
220 .lower_margin = 0x00,
221 .crtc_ss = 0x81170027,
222 .crtc_ls = 0xA0140000,
223 .crtc_gs = 0xC0140014,
224 .crtc_vpos_gs = 0x00010141,
225 .crtc_rev = 0x00400008,
226 .crtc_dclk = 0xA0000000,
227 .crtc_gclk = 0x8015010F,
228 .crtc_goe = 0x80100110,
229 .crtc_ps1_active = 0x41060010,
230 .pll_freq = 0,
231 .fast_pll_freq = 0,
232 .sysclk_src = CLK_SRC_XTAL,
233 .sysclk_divider = 0,
234 .pixclk_src = CLK_SRC_XTAL,
235 .pixclk_divider = 1,
236 .pixclk_divider_rotated = 1,
241 static struct w100fb_mach_info corgi_fb_info = {
242 .tg = &corgi_lcdtg_info,
243 .init_mode = INIT_MODE_ROTATED,
244 .mem = &corgi_fb_mem,
245 .regs = &corgi_fb_regs,
246 .modelist = &corgi_fb_modes[0],
247 .num_modes = 2,
248 .gpio = &corgi_fb_gpio,
249 .xtal_freq = 12500000,
250 .xtal_dbl = 0,
253 static struct resource corgi_fb_resources[] = {
254 [0] = {
255 .start = 0x08000000,
256 .end = 0x08ffffff,
257 .flags = IORESOURCE_MEM,
261 static struct platform_device corgifb_device = {
262 .name = "w100fb",
263 .id = -1,
264 .num_resources = ARRAY_SIZE(corgi_fb_resources),
265 .resource = corgi_fb_resources,
266 .dev = {
267 .platform_data = &corgi_fb_info,
268 .parent = &corgissp_device.dev,
275 * Corgi Backlight Device
277 static void corgi_bl_kick_battery(void)
279 void (*kick_batt)(void);
281 kick_batt = symbol_get(sharpsl_battery_kick);
282 if (kick_batt) {
283 kick_batt();
284 symbol_put(sharpsl_battery_kick);
288 static void corgi_bl_set_intensity(int intensity)
290 if (intensity > 0x10)
291 intensity += 0x10;
293 /* Bits 0-4 are accessed via the SSP interface */
294 corgi_ssp_blduty_set(intensity & 0x1f);
296 /* Bit 5 is via SCOOP */
297 if (intensity & 0x0020)
298 set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
299 else
300 reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
303 static struct generic_bl_info corgi_bl_machinfo = {
304 .name = "corgi-bl",
305 .max_intensity = 0x2f,
306 .default_intensity = 0x1f,
307 .limit_mask = 0x0b,
308 .set_bl_intensity = corgi_bl_set_intensity,
309 .kick_battery = corgi_bl_kick_battery,
312 static struct platform_device corgibl_device = {
313 .name = "generic-bl",
314 .dev = {
315 .parent = &corgifb_device.dev,
316 .platform_data = &corgi_bl_machinfo,
318 .id = -1,
323 * Corgi Keyboard Device
325 static struct platform_device corgikbd_device = {
326 .name = "corgi-keyboard",
327 .id = -1,
332 * Corgi LEDs
334 static struct platform_device corgiled_device = {
335 .name = "corgi-led",
336 .id = -1,
341 * Corgi Touch Screen Device
343 static unsigned long (*get_hsync_invperiod)(struct device *dev);
345 static void inline sharpsl_wait_sync(int gpio)
347 while((GPLR(gpio) & GPIO_bit(gpio)) == 0);
348 while((GPLR(gpio) & GPIO_bit(gpio)) != 0);
351 static unsigned long corgi_get_hsync_invperiod(void)
353 if (!get_hsync_invperiod)
354 get_hsync_invperiod = symbol_get(w100fb_get_hsynclen);
355 if (!get_hsync_invperiod)
356 return 0;
358 return get_hsync_invperiod(&corgifb_device.dev);
361 static void corgi_put_hsync(void)
363 if (get_hsync_invperiod)
364 symbol_put(w100fb_get_hsynclen);
365 get_hsync_invperiod = NULL;
368 static void corgi_wait_hsync(void)
370 sharpsl_wait_sync(CORGI_GPIO_HSYNC);
373 static struct resource corgits_resources[] = {
374 [0] = {
375 .start = CORGI_IRQ_GPIO_TP_INT,
376 .end = CORGI_IRQ_GPIO_TP_INT,
377 .flags = IORESOURCE_IRQ,
381 static struct corgits_machinfo corgi_ts_machinfo = {
382 .get_hsync_invperiod = corgi_get_hsync_invperiod,
383 .put_hsync = corgi_put_hsync,
384 .wait_hsync = corgi_wait_hsync,
387 static struct platform_device corgits_device = {
388 .name = "corgi-ts",
389 .dev = {
390 .parent = &corgissp_device.dev,
391 .platform_data = &corgi_ts_machinfo,
393 .id = -1,
394 .num_resources = ARRAY_SIZE(corgits_resources),
395 .resource = corgits_resources,
400 * MMC/SD Device
402 * The card detect interrupt isn't debounced so we delay it by 250ms
403 * to give the card a chance to fully insert/eject.
405 static struct pxamci_platform_data corgi_mci_platform_data;
407 static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, void *data)
409 int err;
411 /* setup GPIO for PXA25x MMC controller */
412 pxa_gpio_mode(GPIO6_MMCCLK_MD);
413 pxa_gpio_mode(GPIO8_MMCCS0_MD);
414 pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
415 pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);
417 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
419 err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
420 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
421 "MMC card detect", data);
422 if (err)
423 printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
425 return err;
428 static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
430 struct pxamci_platform_data* p_d = dev->platform_data;
432 if (( 1 << vdd) & p_d->ocr_mask)
433 GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
434 else
435 GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
438 static int corgi_mci_get_ro(struct device *dev)
440 return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
443 static void corgi_mci_exit(struct device *dev, void *data)
445 free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
448 static struct pxamci_platform_data corgi_mci_platform_data = {
449 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
450 .init = corgi_mci_init,
451 .get_ro = corgi_mci_get_ro,
452 .setpower = corgi_mci_setpower,
453 .exit = corgi_mci_exit,
458 * Irda
460 static void corgi_irda_transceiver_mode(struct device *dev, int mode)
462 if (mode & IR_OFF)
463 GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
464 else
465 GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
468 static struct pxaficp_platform_data corgi_ficp_platform_data = {
469 .transceiver_cap = IR_SIRMODE | IR_OFF,
470 .transceiver_mode = corgi_irda_transceiver_mode,
475 * USB Device Controller
477 static struct pxa2xx_udc_mach_info udc_info __initdata = {
478 /* no connect GPIO; corgi can't tell connection status */
479 .gpio_pullup = CORGI_GPIO_USB_PULLUP,
483 static struct platform_device *devices[] __initdata = {
484 &corgiscoop_device,
485 &corgissp_device,
486 &corgifb_device,
487 &corgikbd_device,
488 &corgibl_device,
489 &corgits_device,
490 &corgiled_device,
493 static void corgi_poweroff(void)
495 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
497 if (!machine_is_corgi())
498 /* Green LED off tells the bootloader to halt */
499 reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
500 arm_machine_restart('h');
503 static void corgi_restart(char mode)
505 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
507 if (!machine_is_corgi())
508 /* Green LED on tells the bootloader to reboot */
509 set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
510 arm_machine_restart('h');
513 static void __init corgi_init(void)
515 pm_power_off = corgi_poweroff;
516 arm_pm_restart = corgi_restart;
518 /* setup sleep mode values */
519 PWER = 0x00000002;
520 PFER = 0x00000000;
521 PRER = 0x00000002;
522 PGSR0 = 0x0158C000;
523 PGSR1 = 0x00FF0080;
524 PGSR2 = 0x0001C004;
525 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
526 PCFR |= PCFR_OPDE;
528 corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
530 pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT);
531 pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
533 pxa_set_udc_info(&udc_info);
534 pxa_set_mci_info(&corgi_mci_platform_data);
535 pxa_set_ficp_info(&corgi_ficp_platform_data);
537 platform_scoop_config = &corgi_pcmcia_config;
539 platform_add_devices(devices, ARRAY_SIZE(devices));
542 static void __init fixup_corgi(struct machine_desc *desc,
543 struct tag *tags, char **cmdline, struct meminfo *mi)
545 sharpsl_save_param();
546 mi->nr_banks=1;
547 mi->bank[0].start = 0xa0000000;
548 mi->bank[0].node = 0;
549 if (machine_is_corgi())
550 mi->bank[0].size = (32*1024*1024);
551 else
552 mi->bank[0].size = (64*1024*1024);
555 #ifdef CONFIG_MACH_CORGI
556 MACHINE_START(CORGI, "SHARP Corgi")
557 .phys_io = 0x40000000,
558 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
559 .fixup = fixup_corgi,
560 .map_io = pxa_map_io,
561 .init_irq = pxa25x_init_irq,
562 .init_machine = corgi_init,
563 .timer = &pxa_timer,
564 MACHINE_END
565 #endif
567 #ifdef CONFIG_MACH_SHEPHERD
568 MACHINE_START(SHEPHERD, "SHARP Shepherd")
569 .phys_io = 0x40000000,
570 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
571 .fixup = fixup_corgi,
572 .map_io = pxa_map_io,
573 .init_irq = pxa25x_init_irq,
574 .init_machine = corgi_init,
575 .timer = &pxa_timer,
576 MACHINE_END
577 #endif
579 #ifdef CONFIG_MACH_HUSKY
580 MACHINE_START(HUSKY, "SHARP Husky")
581 .phys_io = 0x40000000,
582 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
583 .fixup = fixup_corgi,
584 .map_io = pxa_map_io,
585 .init_irq = pxa25x_init_irq,
586 .init_machine = corgi_init,
587 .timer = &pxa_timer,
588 MACHINE_END
589 #endif