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[ARM] 3415/1: Akita: Add missing EXPORT_SYMBOL
[linux-2.6.git] / arch / arm / mach-pxa / spitz.c
1 /*
2  * Support for Sharp SL-Cxx00 Series of PDAs
3  * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
4  *
5  * Copyright (c) 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/delay.h>
19 #include <linux/major.h>
20 #include <linux/fs.h>
21 #include <linux/interrupt.h>
22 #include <linux/mmc/host.h>
23
24 #include <asm/setup.h>
25 #include <asm/memory.h>
26 #include <asm/mach-types.h>
27 #include <asm/hardware.h>
28 #include <asm/irq.h>
29 #include <asm/io.h>
30
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33 #include <asm/mach/irq.h>
34
35 #include <asm/arch/pxa-regs.h>
36 #include <asm/arch/irda.h>
37 #include <asm/arch/mmc.h>
38 #include <asm/arch/ohci.h>
39 #include <asm/arch/udc.h>
40 #include <asm/arch/pxafb.h>
41 #include <asm/arch/akita.h>
42 #include <asm/arch/spitz.h>
43 #include <asm/arch/sharpsl.h>
44
45 #include <asm/mach/sharpsl_param.h>
46 #include <asm/hardware/scoop.h>
47
48 #include "generic.h"
49 #include "sharpsl.h"
50
51 /*
52  * Spitz SCOOP Device #1
53  */
54 static struct resource spitz_scoop_resources[] = {
55         [0] = {
56                 .start          = 0x10800000,
57                 .end            = 0x10800fff,
58                 .flags          = IORESOURCE_MEM,
59         },
60 };
61
62 static struct scoop_config spitz_scoop_setup = {
63         .io_dir         = SPITZ_SCP_IO_DIR,
64         .io_out         = SPITZ_SCP_IO_OUT,
65         .suspend_clr = SPITZ_SCP_SUS_CLR,
66         .suspend_set = SPITZ_SCP_SUS_SET,
67 };
68
69 struct platform_device spitzscoop_device = {
70         .name           = "sharp-scoop",
71         .id             = 0,
72         .dev            = {
73                 .platform_data  = &spitz_scoop_setup,
74         },
75         .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
76         .resource       = spitz_scoop_resources,
77 };
78
79 /*
80  * Spitz SCOOP Device #2
81  */
82 static struct resource spitz_scoop2_resources[] = {
83         [0] = {
84                 .start          = 0x08800040,
85                 .end            = 0x08800fff,
86                 .flags          = IORESOURCE_MEM,
87         },
88 };
89
90 static struct scoop_config spitz_scoop2_setup = {
91         .io_dir         = SPITZ_SCP2_IO_DIR,
92         .io_out         = SPITZ_SCP2_IO_OUT,
93         .suspend_clr = SPITZ_SCP2_SUS_CLR,
94         .suspend_set = SPITZ_SCP2_SUS_SET,
95 };
96
97 struct platform_device spitzscoop2_device = {
98         .name           = "sharp-scoop",
99         .id             = 1,
100         .dev            = {
101                 .platform_data  = &spitz_scoop2_setup,
102         },
103         .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
104         .resource       = spitz_scoop2_resources,
105 };
106
107 #define SPITZ_PWR_SD 0x01
108 #define SPITZ_PWR_CF 0x02
109
110 /* Power control is shared with between one of the CF slots and SD */
111 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
112 {
113         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
114
115         if (new_cpr & 0x0007) {
116                 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
117                 if (!(cpr & 0x0002) && !(cpr & 0x0004))
118                         mdelay(5);
119                 if (device == SPITZ_PWR_CF)
120                         cpr |= 0x0002;
121                 if (device == SPITZ_PWR_SD)
122                         cpr |= 0x0004;
123                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
124         } else {
125                 if (device == SPITZ_PWR_CF)
126                         cpr &= ~0x0002;
127                 if (device == SPITZ_PWR_SD)
128                         cpr &= ~0x0004;
129                 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
130                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
131                         mdelay(1);
132                         reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
133                 } else {
134                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
135                 }
136         }
137 }
138
139 static void spitz_pcmcia_init(void)
140 {
141         /* Setup default state of GPIO outputs
142            before we enable them as outputs. */
143         GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
144                 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
145                 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO54_nPCE_2);
146         GPSR(GPIO85_nPCE_1) = GPIO_bit(GPIO85_nPCE_1);
147
148         pxa_gpio_mode(GPIO48_nPOE_MD);
149         pxa_gpio_mode(GPIO49_nPWE_MD);
150         pxa_gpio_mode(GPIO50_nPIOR_MD);
151         pxa_gpio_mode(GPIO51_nPIOW_MD);
152         pxa_gpio_mode(GPIO55_nPREG_MD);
153         pxa_gpio_mode(GPIO56_nPWAIT_MD);
154         pxa_gpio_mode(GPIO57_nIOIS16_MD);
155         pxa_gpio_mode(GPIO85_nPCE_1_MD);
156         pxa_gpio_mode(GPIO54_nPCE_2_MD);
157         pxa_gpio_mode(GPIO104_pSKTSEL_MD);
158 }
159
160 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
161 {
162         /* Only need to override behaviour for slot 0 */
163         if (nr == 0)
164                 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
165         else
166                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
167 }
168
169 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
170 {
171         .dev        = &spitzscoop_device.dev,
172         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
173         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
174         .cd_irq_str = "PCMCIA0 CD",
175 },{
176         .dev        = &spitzscoop2_device.dev,
177         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
178         .cd_irq     = -1,
179 },
180 };
181
182 static struct scoop_pcmcia_config spitz_pcmcia_config = {
183         .devs         = &spitz_pcmcia_scoop[0],
184         .num_devs     = 2,
185         .pcmcia_init  = spitz_pcmcia_init,
186         .power_ctrl   = spitz_pcmcia_pwr,
187 };
188
189 EXPORT_SYMBOL(spitzscoop_device);
190 EXPORT_SYMBOL(spitzscoop2_device);
191
192
193 /*
194  * Spitz SSP Device
195  *
196  * Set the parent as the scoop device because a lot of SSP devices
197  * also use scoop functions and this makes the power up/down order
198  * work correctly.
199  */
200 struct platform_device spitzssp_device = {
201         .name           = "corgi-ssp",
202         .dev            = {
203                 .parent = &spitzscoop_device.dev,
204         },
205         .id             = -1,
206 };
207
208 struct corgissp_machinfo spitz_ssp_machinfo = {
209         .port           = 2,
210         .cs_lcdcon      = SPITZ_GPIO_LCDCON_CS,
211         .cs_ads7846     = SPITZ_GPIO_ADS7846_CS,
212         .cs_max1111     = SPITZ_GPIO_MAX1111_CS,
213         .clk_lcdcon     = 520,
214         .clk_ads7846    = 14,
215         .clk_max1111    = 56,
216 };
217
218
219 /*
220  * Spitz Backlight Device
221  */
222 static struct corgibl_machinfo spitz_bl_machinfo = {
223         .max_intensity = 0x2f,
224 };
225
226 static struct platform_device spitzbl_device = {
227         .name           = "corgi-bl",
228         .dev            = {
229                 .platform_data  = &spitz_bl_machinfo,
230         },
231         .id             = -1,
232 };
233
234
235 /*
236  * Spitz Keyboard Device
237  */
238 static struct platform_device spitzkbd_device = {
239         .name           = "spitz-keyboard",
240         .id             = -1,
241 };
242
243
244 /*
245  * Spitz Touch Screen Device
246  */
247 static struct resource spitzts_resources[] = {
248         [0] = {
249                 .start          = SPITZ_IRQ_GPIO_TP_INT,
250                 .end            = SPITZ_IRQ_GPIO_TP_INT,
251                 .flags          = IORESOURCE_IRQ,
252         },
253 };
254
255 static struct corgits_machinfo  spitz_ts_machinfo = {
256         .get_hsync_len   = spitz_get_hsync_len,
257         .put_hsync       = spitz_put_hsync,
258         .wait_hsync      = spitz_wait_hsync,
259 };
260
261 static struct platform_device spitzts_device = {
262         .name           = "corgi-ts",
263         .dev            = {
264                 .parent = &spitzssp_device.dev,
265                 .platform_data  = &spitz_ts_machinfo,
266         },
267         .id             = -1,
268         .num_resources  = ARRAY_SIZE(spitzts_resources),
269         .resource       = spitzts_resources,
270 };
271
272
273 /*
274  * MMC/SD Device
275  *
276  * The card detect interrupt isn't debounced so we delay it by 250ms
277  * to give the card a chance to fully insert/eject.
278  */
279
280 static struct pxamci_platform_data spitz_mci_platform_data;
281
282 static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(int, void *, struct pt_regs *), void *data)
283 {
284         int err;
285
286         /* setup GPIO for PXA27x MMC controller */
287         pxa_gpio_mode(GPIO32_MMCCLK_MD);
288         pxa_gpio_mode(GPIO112_MMCCMD_MD);
289         pxa_gpio_mode(GPIO92_MMCDAT0_MD);
290         pxa_gpio_mode(GPIO109_MMCDAT1_MD);
291         pxa_gpio_mode(GPIO110_MMCDAT2_MD);
292         pxa_gpio_mode(GPIO111_MMCDAT3_MD);
293         pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN);
294         pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN);
295
296         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
297
298         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
299                           SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
300                           "MMC card detect", data);
301         if (err) {
302                 printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
303                 return -1;
304         }
305
306         return 0;
307 }
308
309 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
310 {
311         struct pxamci_platform_data* p_d = dev->platform_data;
312
313         if (( 1 << vdd) & p_d->ocr_mask)
314                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
315         else
316                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
317 }
318
319 static int spitz_mci_get_ro(struct device *dev)
320 {
321         return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP);
322 }
323
324 static void spitz_mci_exit(struct device *dev, void *data)
325 {
326         free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
327 }
328
329 static struct pxamci_platform_data spitz_mci_platform_data = {
330         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
331         .init           = spitz_mci_init,
332         .get_ro         = spitz_mci_get_ro,
333         .setpower       = spitz_mci_setpower,
334         .exit           = spitz_mci_exit,
335 };
336
337
338 /*
339  * USB Host (OHCI)
340  */
341 static int spitz_ohci_init(struct device *dev)
342 {
343         /* Only Port 2 is connected */
344         pxa_gpio_mode(SPITZ_GPIO_USB_CONNECT | GPIO_IN);
345         pxa_gpio_mode(SPITZ_GPIO_USB_HOST | GPIO_OUT);
346         pxa_gpio_mode(SPITZ_GPIO_USB_DEVICE | GPIO_IN);
347
348         /* Setup USB Port 2 Output Control Register */
349         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
350
351         GPSR(SPITZ_GPIO_USB_HOST) = GPIO_bit(SPITZ_GPIO_USB_HOST);
352
353         UHCHR = (UHCHR) &
354                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
355
356         UHCRHDA |= UHCRHDA_NOCP;
357
358         return 0;
359 }
360
361 static struct pxaohci_platform_data spitz_ohci_platform_data = {
362         .port_mode      = PMM_NPS_MODE,
363         .init           = spitz_ohci_init,
364 };
365
366
367 /*
368  * Irda
369  */
370 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
371 {
372         if (mode & IR_OFF)
373                 set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
374         else
375                 reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
376 }
377
378 #ifdef CONFIG_MACH_AKITA
379 static void akita_irda_transceiver_mode(struct device *dev, int mode)
380 {
381         if (mode & IR_OFF)
382                 akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
383         else
384                 akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
385 }
386 #endif
387
388 static struct pxaficp_platform_data spitz_ficp_platform_data = {
389         .transceiver_cap  = IR_SIRMODE | IR_OFF,
390         .transceiver_mode = spitz_irda_transceiver_mode,
391 };
392
393
394 /*
395  * Spitz PXA Framebuffer
396  */
397 static struct pxafb_mach_info spitz_pxafb_info __initdata = {
398         .pixclock       = 19231,
399         .xres           = 480,
400         .yres           = 640,
401         .bpp            = 16,
402         .hsync_len      = 40,
403         .left_margin    = 46,
404         .right_margin   = 125,
405         .vsync_len      = 3,
406         .upper_margin   = 1,
407         .lower_margin   = 0,
408         .sync           = 0,
409         .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM,
410         .lccr3          = LCCR3_PixRsEdg | LCCR3_OutEnH,
411         .pxafb_lcd_power = spitz_lcd_power,
412 };
413
414
415 static struct platform_device *devices[] __initdata = {
416         &spitzscoop_device,
417         &spitzssp_device,
418         &spitzkbd_device,
419         &spitzts_device,
420         &spitzbl_device,
421 };
422
423 static void __init common_init(void)
424 {
425         PMCR = 0x00;
426
427         /* setup sleep mode values */
428         PWER  = 0x00000002;
429         PFER  = 0x00000000;
430         PRER  = 0x00000002;
431         PGSR0 = 0x0158C000;
432         PGSR1 = 0x00FF0080;
433         PGSR2 = 0x0001C004;
434
435         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
436         PCFR |= PCFR_OPDE;
437
438         corgi_ssp_set_machinfo(&spitz_ssp_machinfo);
439
440         pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN);
441
442         platform_add_devices(devices, ARRAY_SIZE(devices));
443         pxa_set_mci_info(&spitz_mci_platform_data);
444         pxa_set_ohci_info(&spitz_ohci_platform_data);
445         pxa_set_ficp_info(&spitz_ficp_platform_data);
446         set_pxa_fb_parent(&spitzssp_device.dev);
447         set_pxa_fb_info(&spitz_pxafb_info);
448 }
449
450 static void __init spitz_init(void)
451 {
452         platform_scoop_config = &spitz_pcmcia_config;
453
454         spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity;
455
456         common_init();
457
458         platform_device_register(&spitzscoop2_device);
459 }
460
461 #ifdef CONFIG_MACH_AKITA
462 /*
463  * Akita IO Expander
464  */
465 struct platform_device akitaioexp_device = {
466         .name           = "akita-ioexp",
467         .id             = -1,
468 };
469
470 EXPORT_SYMBOL_GPL(akitaioexp_device);
471
472 static void __init akita_init(void)
473 {
474         spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
475
476         /* We just pretend the second element of the array doesn't exist */
477         spitz_pcmcia_config.num_devs = 1;
478         platform_scoop_config = &spitz_pcmcia_config;
479         spitz_bl_machinfo.set_bl_intensity = akita_bl_set_intensity;
480
481         platform_device_register(&akitaioexp_device);
482
483         spitzscoop_device.dev.parent = &akitaioexp_device.dev;
484         common_init();
485 }
486 #endif
487
488
489 static void __init fixup_spitz(struct machine_desc *desc,
490                 struct tag *tags, char **cmdline, struct meminfo *mi)
491 {
492         sharpsl_save_param();
493         mi->nr_banks = 1;
494         mi->bank[0].start = 0xa0000000;
495         mi->bank[0].node = 0;
496         mi->bank[0].size = (64*1024*1024);
497 }
498
499 #ifdef CONFIG_MACH_SPITZ
500 MACHINE_START(SPITZ, "SHARP Spitz")
501         .phys_io        = 0x40000000,
502         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
503         .fixup          = fixup_spitz,
504         .map_io         = pxa_map_io,
505         .init_irq       = pxa_init_irq,
506         .init_machine   = spitz_init,
507         .timer          = &pxa_timer,
508 MACHINE_END
509 #endif
510
511 #ifdef CONFIG_MACH_BORZOI
512 MACHINE_START(BORZOI, "SHARP Borzoi")
513         .phys_io        = 0x40000000,
514         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
515         .fixup          = fixup_spitz,
516         .map_io         = pxa_map_io,
517         .init_irq       = pxa_init_irq,
518         .init_machine   = spitz_init,
519         .timer          = &pxa_timer,
520 MACHINE_END
521 #endif
522
523 #ifdef CONFIG_MACH_AKITA
524 MACHINE_START(AKITA, "SHARP Akita")
525         .phys_io        = 0x40000000,
526         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
527         .fixup          = fixup_spitz,
528         .map_io         = pxa_map_io,
529         .init_irq       = pxa_init_irq,
530         .init_machine   = akita_init,
531         .timer          = &pxa_timer,
532 MACHINE_END
533 #endif