2 * Support for Sharp SL-Cxx00 Series of PDAs
3 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
5 * Copyright (c) 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/delay.h>
19 #include <linux/major.h>
21 #include <linux/interrupt.h>
22 #include <linux/mmc/host.h>
24 #include <linux/backlight.h>
26 #include <asm/setup.h>
27 #include <asm/memory.h>
28 #include <asm/mach-types.h>
29 #include <asm/hardware.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/pxa2xx-regs.h>
40 #include <asm/arch/pxa2xx-gpio.h>
41 #include <asm/arch/pxa27x-udc.h>
42 #include <asm/arch/irda.h>
43 #include <asm/arch/mmc.h>
44 #include <asm/arch/ohci.h>
45 #include <asm/arch/udc.h>
46 #include <asm/arch/pxafb.h>
47 #include <asm/arch/akita.h>
48 #include <asm/arch/spitz.h>
49 #include <asm/arch/sharpsl.h>
51 #include <asm/mach/sharpsl_param.h>
52 #include <asm/hardware/scoop.h>
59 * Spitz SCOOP Device #1
61 static struct resource spitz_scoop_resources
[] = {
65 .flags
= IORESOURCE_MEM
,
69 static struct scoop_config spitz_scoop_setup
= {
70 .io_dir
= SPITZ_SCP_IO_DIR
,
71 .io_out
= SPITZ_SCP_IO_OUT
,
72 .suspend_clr
= SPITZ_SCP_SUS_CLR
,
73 .suspend_set
= SPITZ_SCP_SUS_SET
,
76 struct platform_device spitzscoop_device
= {
77 .name
= "sharp-scoop",
80 .platform_data
= &spitz_scoop_setup
,
82 .num_resources
= ARRAY_SIZE(spitz_scoop_resources
),
83 .resource
= spitz_scoop_resources
,
87 * Spitz SCOOP Device #2
89 static struct resource spitz_scoop2_resources
[] = {
93 .flags
= IORESOURCE_MEM
,
97 static struct scoop_config spitz_scoop2_setup
= {
98 .io_dir
= SPITZ_SCP2_IO_DIR
,
99 .io_out
= SPITZ_SCP2_IO_OUT
,
100 .suspend_clr
= SPITZ_SCP2_SUS_CLR
,
101 .suspend_set
= SPITZ_SCP2_SUS_SET
,
104 struct platform_device spitzscoop2_device
= {
105 .name
= "sharp-scoop",
108 .platform_data
= &spitz_scoop2_setup
,
110 .num_resources
= ARRAY_SIZE(spitz_scoop2_resources
),
111 .resource
= spitz_scoop2_resources
,
114 #define SPITZ_PWR_SD 0x01
115 #define SPITZ_PWR_CF 0x02
117 /* Power control is shared with between one of the CF slots and SD */
118 static void spitz_card_pwr_ctrl(int device
, unsigned short new_cpr
)
120 unsigned short cpr
= read_scoop_reg(&spitzscoop_device
.dev
, SCOOP_CPR
);
122 if (new_cpr
& 0x0007) {
123 set_scoop_gpio(&spitzscoop_device
.dev
, SPITZ_SCP_CF_POWER
);
124 if (!(cpr
& 0x0002) && !(cpr
& 0x0004))
126 if (device
== SPITZ_PWR_CF
)
128 if (device
== SPITZ_PWR_SD
)
130 write_scoop_reg(&spitzscoop_device
.dev
, SCOOP_CPR
, cpr
| new_cpr
);
132 if (device
== SPITZ_PWR_CF
)
134 if (device
== SPITZ_PWR_SD
)
136 if (!(cpr
& 0x0002) && !(cpr
& 0x0004)) {
137 write_scoop_reg(&spitzscoop_device
.dev
, SCOOP_CPR
, 0x0000);
139 reset_scoop_gpio(&spitzscoop_device
.dev
, SPITZ_SCP_CF_POWER
);
141 write_scoop_reg(&spitzscoop_device
.dev
, SCOOP_CPR
, cpr
| new_cpr
);
146 static void spitz_pcmcia_init(void)
148 /* Setup default state of GPIO outputs
149 before we enable them as outputs. */
150 GPSR(GPIO48_nPOE
) = GPIO_bit(GPIO48_nPOE
) |
151 GPIO_bit(GPIO49_nPWE
) | GPIO_bit(GPIO50_nPIOR
) |
152 GPIO_bit(GPIO51_nPIOW
) | GPIO_bit(GPIO54_nPCE_2
);
153 GPSR(GPIO85_nPCE_1
) = GPIO_bit(GPIO85_nPCE_1
);
155 pxa_gpio_mode(GPIO48_nPOE_MD
);
156 pxa_gpio_mode(GPIO49_nPWE_MD
);
157 pxa_gpio_mode(GPIO50_nPIOR_MD
);
158 pxa_gpio_mode(GPIO51_nPIOW_MD
);
159 pxa_gpio_mode(GPIO55_nPREG_MD
);
160 pxa_gpio_mode(GPIO56_nPWAIT_MD
);
161 pxa_gpio_mode(GPIO57_nIOIS16_MD
);
162 pxa_gpio_mode(GPIO85_nPCE_1_MD
);
163 pxa_gpio_mode(GPIO54_nPCE_2_MD
);
164 pxa_gpio_mode(GPIO104_pSKTSEL_MD
);
167 static void spitz_pcmcia_pwr(struct device
*scoop
, unsigned short cpr
, int nr
)
169 /* Only need to override behaviour for slot 0 */
171 spitz_card_pwr_ctrl(SPITZ_PWR_CF
, cpr
);
173 write_scoop_reg(scoop
, SCOOP_CPR
, cpr
);
176 static struct scoop_pcmcia_dev spitz_pcmcia_scoop
[] = {
178 .dev
= &spitzscoop_device
.dev
,
179 .irq
= SPITZ_IRQ_GPIO_CF_IRQ
,
180 .cd_irq
= SPITZ_IRQ_GPIO_CF_CD
,
181 .cd_irq_str
= "PCMCIA0 CD",
183 .dev
= &spitzscoop2_device
.dev
,
184 .irq
= SPITZ_IRQ_GPIO_CF2_IRQ
,
189 static struct scoop_pcmcia_config spitz_pcmcia_config
= {
190 .devs
= &spitz_pcmcia_scoop
[0],
192 .pcmcia_init
= spitz_pcmcia_init
,
193 .power_ctrl
= spitz_pcmcia_pwr
,
196 EXPORT_SYMBOL(spitzscoop_device
);
197 EXPORT_SYMBOL(spitzscoop2_device
);
203 * Set the parent as the scoop device because a lot of SSP devices
204 * also use scoop functions and this makes the power up/down order
207 struct platform_device spitzssp_device
= {
210 .parent
= &spitzscoop_device
.dev
,
215 struct corgissp_machinfo spitz_ssp_machinfo
= {
217 .cs_lcdcon
= SPITZ_GPIO_LCDCON_CS
,
218 .cs_ads7846
= SPITZ_GPIO_ADS7846_CS
,
219 .cs_max1111
= SPITZ_GPIO_MAX1111_CS
,
227 * Spitz Backlight Device
229 static void spitz_bl_kick_battery(void)
231 void (*kick_batt
)(void);
233 kick_batt
= symbol_get(sharpsl_battery_kick
);
236 symbol_put(sharpsl_battery_kick
);
240 static struct generic_bl_info spitz_bl_machinfo
= {
242 .default_intensity
= 0x1f,
244 .max_intensity
= 0x2f,
245 .kick_battery
= spitz_bl_kick_battery
,
248 static struct platform_device spitzbl_device
= {
249 .name
= "generic-bl",
251 .platform_data
= &spitz_bl_machinfo
,
258 * Spitz Keyboard Device
260 static struct platform_device spitzkbd_device
= {
261 .name
= "spitz-keyboard",
269 static struct platform_device spitzled_device
= {
275 * Spitz Touch Screen Device
278 static unsigned long (*get_hsync_invperiod
)(struct device
*dev
);
280 static void inline sharpsl_wait_sync(int gpio
)
282 while((GPLR(gpio
) & GPIO_bit(gpio
)) == 0);
283 while((GPLR(gpio
) & GPIO_bit(gpio
)) != 0);
286 static struct device
*spitz_pxafb_dev
;
288 static int is_pxafb_device(struct device
* dev
, void * data
)
290 struct platform_device
*pdev
= container_of(dev
, struct platform_device
, dev
);
292 return (strncmp(pdev
->name
, "pxa2xx-fb", 9) == 0);
295 static unsigned long spitz_get_hsync_invperiod(void)
298 if (!spitz_pxafb_dev
) {
299 spitz_pxafb_dev
= bus_find_device(&platform_bus_type
, NULL
, NULL
, is_pxafb_device
);
300 if (!spitz_pxafb_dev
)
303 if (!get_hsync_invperiod
)
304 get_hsync_invperiod
= symbol_get(pxafb_get_hsync_time
);
305 if (!get_hsync_invperiod
)
309 return get_hsync_invperiod(spitz_pxafb_dev
);
312 static void spitz_put_hsync(void)
314 put_device(spitz_pxafb_dev
);
315 if (get_hsync_invperiod
)
316 symbol_put(pxafb_get_hsync_time
);
317 spitz_pxafb_dev
= NULL
;
318 get_hsync_invperiod
= NULL
;
321 static void spitz_wait_hsync(void)
323 sharpsl_wait_sync(SPITZ_GPIO_HSYNC
);
326 static struct resource spitzts_resources
[] = {
328 .start
= SPITZ_IRQ_GPIO_TP_INT
,
329 .end
= SPITZ_IRQ_GPIO_TP_INT
,
330 .flags
= IORESOURCE_IRQ
,
334 static struct corgits_machinfo spitz_ts_machinfo
= {
335 .get_hsync_invperiod
= spitz_get_hsync_invperiod
,
336 .put_hsync
= spitz_put_hsync
,
337 .wait_hsync
= spitz_wait_hsync
,
340 static struct platform_device spitzts_device
= {
343 .parent
= &spitzssp_device
.dev
,
344 .platform_data
= &spitz_ts_machinfo
,
347 .num_resources
= ARRAY_SIZE(spitzts_resources
),
348 .resource
= spitzts_resources
,
355 * The card detect interrupt isn't debounced so we delay it by 250ms
356 * to give the card a chance to fully insert/eject.
359 static struct pxamci_platform_data spitz_mci_platform_data
;
361 static int spitz_mci_init(struct device
*dev
, irq_handler_t spitz_detect_int
, void *data
)
365 /* setup GPIO for PXA27x MMC controller */
366 pxa_gpio_mode(GPIO32_MMCCLK_MD
);
367 pxa_gpio_mode(GPIO112_MMCCMD_MD
);
368 pxa_gpio_mode(GPIO92_MMCDAT0_MD
);
369 pxa_gpio_mode(GPIO109_MMCDAT1_MD
);
370 pxa_gpio_mode(GPIO110_MMCDAT2_MD
);
371 pxa_gpio_mode(GPIO111_MMCDAT3_MD
);
372 pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT
| GPIO_IN
);
373 pxa_gpio_mode(SPITZ_GPIO_nSD_WP
| GPIO_IN
);
375 spitz_mci_platform_data
.detect_delay
= msecs_to_jiffies(250);
377 err
= request_irq(SPITZ_IRQ_GPIO_nSD_DETECT
, spitz_detect_int
,
378 IRQF_DISABLED
| IRQF_TRIGGER_RISING
| IRQF_TRIGGER_FALLING
,
379 "MMC card detect", data
);
381 printk(KERN_ERR
"spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
386 static void spitz_mci_setpower(struct device
*dev
, unsigned int vdd
)
388 struct pxamci_platform_data
* p_d
= dev
->platform_data
;
390 if (( 1 << vdd
) & p_d
->ocr_mask
)
391 spitz_card_pwr_ctrl(SPITZ_PWR_SD
, 0x0004);
393 spitz_card_pwr_ctrl(SPITZ_PWR_SD
, 0x0000);
396 static int spitz_mci_get_ro(struct device
*dev
)
398 return GPLR(SPITZ_GPIO_nSD_WP
) & GPIO_bit(SPITZ_GPIO_nSD_WP
);
401 static void spitz_mci_exit(struct device
*dev
, void *data
)
403 free_irq(SPITZ_IRQ_GPIO_nSD_DETECT
, data
);
406 static struct pxamci_platform_data spitz_mci_platform_data
= {
407 .ocr_mask
= MMC_VDD_32_33
|MMC_VDD_33_34
,
408 .init
= spitz_mci_init
,
409 .get_ro
= spitz_mci_get_ro
,
410 .setpower
= spitz_mci_setpower
,
411 .exit
= spitz_mci_exit
,
418 static int spitz_ohci_init(struct device
*dev
)
420 /* Only Port 2 is connected */
421 pxa_gpio_mode(SPITZ_GPIO_USB_CONNECT
| GPIO_IN
);
422 pxa_gpio_mode(SPITZ_GPIO_USB_HOST
| GPIO_OUT
);
423 pxa_gpio_mode(SPITZ_GPIO_USB_DEVICE
| GPIO_IN
);
425 /* Setup USB Port 2 Output Control Register */
426 UP2OCR
= UP2OCR_HXS
| UP2OCR_HXOE
| UP2OCR_DPPDE
| UP2OCR_DMPDE
;
428 GPSR(SPITZ_GPIO_USB_HOST
) = GPIO_bit(SPITZ_GPIO_USB_HOST
);
431 ~(UHCHR_SSEP1
| UHCHR_SSEP2
| UHCHR_SSEP3
| UHCHR_SSE
);
433 UHCRHDA
|= UHCRHDA_NOCP
;
438 static struct pxaohci_platform_data spitz_ohci_platform_data
= {
439 .port_mode
= PMM_NPS_MODE
,
440 .init
= spitz_ohci_init
,
448 static void spitz_irda_transceiver_mode(struct device
*dev
, int mode
)
451 set_scoop_gpio(&spitzscoop2_device
.dev
, SPITZ_SCP2_IR_ON
);
453 reset_scoop_gpio(&spitzscoop2_device
.dev
, SPITZ_SCP2_IR_ON
);
454 pxa2xx_transceiver_mode(dev
, mode
);
457 #ifdef CONFIG_MACH_AKITA
458 static void akita_irda_transceiver_mode(struct device
*dev
, int mode
)
461 akita_set_ioexp(&akitaioexp_device
.dev
, AKITA_IOEXP_IR_ON
);
463 akita_reset_ioexp(&akitaioexp_device
.dev
, AKITA_IOEXP_IR_ON
);
464 pxa2xx_transceiver_mode(dev
, mode
);
468 static struct pxaficp_platform_data spitz_ficp_platform_data
= {
469 .transceiver_cap
= IR_SIRMODE
| IR_OFF
,
470 .transceiver_mode
= spitz_irda_transceiver_mode
,
475 * Spitz PXA Framebuffer
478 static void spitz_lcd_power(int on
, struct fb_var_screeninfo
*var
)
481 corgi_lcdtg_hw_init(var
->xres
);
483 corgi_lcdtg_suspend();
486 static struct pxafb_mode_info spitz_pxafb_modes
[] = {
514 static struct pxafb_mach_info spitz_pxafb_info
= {
515 .modes
= &spitz_pxafb_modes
[0],
518 .lccr0
= LCCR0_Color
| LCCR0_Sngl
| LCCR0_Act
| LCCR0_LDDALT
| LCCR0_OUC
| LCCR0_CMDIM
| LCCR0_RDSTM
,
519 .lccr3
= LCCR3_PixRsEdg
| LCCR3_OutEnH
,
520 .pxafb_lcd_power
= spitz_lcd_power
,
524 static struct platform_device
*devices
[] __initdata
= {
533 static void spitz_poweroff(void)
535 arm_machine_restart('g');
538 static void spitz_restart(char mode
)
540 /* Bootloader magic for a reboot */
541 if((MSC0
& 0xffff0000) == 0x7ff00000)
542 MSC0
= (MSC0
& 0xffff) | 0x7ee00000;
547 static void __init
common_init(void)
549 init_gpio_reset(SPITZ_GPIO_ON_RESET
);
550 pm_power_off
= spitz_poweroff
;
551 arm_pm_restart
= spitz_restart
;
555 /* setup sleep mode values */
563 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
566 corgi_ssp_set_machinfo(&spitz_ssp_machinfo
);
568 pxa_gpio_mode(SPITZ_GPIO_HSYNC
| GPIO_IN
);
570 platform_add_devices(devices
, ARRAY_SIZE(devices
));
571 pxa_set_mci_info(&spitz_mci_platform_data
);
572 pxa_set_ohci_info(&spitz_ohci_platform_data
);
573 pxa_set_ficp_info(&spitz_ficp_platform_data
);
574 set_pxa_fb_parent(&spitzssp_device
.dev
);
575 set_pxa_fb_info(&spitz_pxafb_info
);
578 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
579 static void spitz_bl_set_intensity(int intensity
)
581 if (intensity
> 0x10)
584 /* Bits 0-4 are accessed via the SSP interface */
585 corgi_ssp_blduty_set(intensity
& 0x1f);
587 /* Bit 5 is via SCOOP */
588 if (intensity
& 0x0020)
589 reset_scoop_gpio(&spitzscoop2_device
.dev
, SPITZ_SCP2_BACKLIGHT_CONT
);
591 set_scoop_gpio(&spitzscoop2_device
.dev
, SPITZ_SCP2_BACKLIGHT_CONT
);
594 set_scoop_gpio(&spitzscoop2_device
.dev
, SPITZ_SCP2_BACKLIGHT_ON
);
596 reset_scoop_gpio(&spitzscoop2_device
.dev
, SPITZ_SCP2_BACKLIGHT_ON
);
599 static void __init
spitz_init(void)
601 platform_scoop_config
= &spitz_pcmcia_config
;
603 spitz_bl_machinfo
.set_bl_intensity
= spitz_bl_set_intensity
;
607 platform_device_register(&spitzscoop2_device
);
611 #ifdef CONFIG_MACH_AKITA
615 struct platform_device akitaioexp_device
= {
616 .name
= "akita-ioexp",
620 EXPORT_SYMBOL_GPL(akitaioexp_device
);
622 static void akita_bl_set_intensity(int intensity
)
624 if (intensity
> 0x10)
627 /* Bits 0-4 are accessed via the SSP interface */
628 corgi_ssp_blduty_set(intensity
& 0x1f);
630 /* Bit 5 is via IO-Expander */
631 if (intensity
& 0x0020)
632 akita_reset_ioexp(&akitaioexp_device
.dev
, AKITA_IOEXP_BACKLIGHT_CONT
);
634 akita_set_ioexp(&akitaioexp_device
.dev
, AKITA_IOEXP_BACKLIGHT_CONT
);
637 akita_set_ioexp(&akitaioexp_device
.dev
, AKITA_IOEXP_BACKLIGHT_ON
);
639 akita_reset_ioexp(&akitaioexp_device
.dev
, AKITA_IOEXP_BACKLIGHT_ON
);
642 static void __init
akita_init(void)
644 spitz_ficp_platform_data
.transceiver_mode
= akita_irda_transceiver_mode
;
646 /* We just pretend the second element of the array doesn't exist */
647 spitz_pcmcia_config
.num_devs
= 1;
648 platform_scoop_config
= &spitz_pcmcia_config
;
649 spitz_bl_machinfo
.set_bl_intensity
= akita_bl_set_intensity
;
651 platform_device_register(&akitaioexp_device
);
653 spitzscoop_device
.dev
.parent
= &akitaioexp_device
.dev
;
658 static void __init
fixup_spitz(struct machine_desc
*desc
,
659 struct tag
*tags
, char **cmdline
, struct meminfo
*mi
)
661 sharpsl_save_param();
663 mi
->bank
[0].start
= 0xa0000000;
664 mi
->bank
[0].node
= 0;
665 mi
->bank
[0].size
= (64*1024*1024);
668 #ifdef CONFIG_MACH_SPITZ
669 MACHINE_START(SPITZ
, "SHARP Spitz")
670 .phys_io
= 0x40000000,
671 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
672 .fixup
= fixup_spitz
,
673 .map_io
= pxa_map_io
,
674 .init_irq
= pxa27x_init_irq
,
675 .init_machine
= spitz_init
,
680 #ifdef CONFIG_MACH_BORZOI
681 MACHINE_START(BORZOI
, "SHARP Borzoi")
682 .phys_io
= 0x40000000,
683 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
684 .fixup
= fixup_spitz
,
685 .map_io
= pxa_map_io
,
686 .init_irq
= pxa27x_init_irq
,
687 .init_machine
= spitz_init
,
692 #ifdef CONFIG_MACH_AKITA
693 MACHINE_START(AKITA
, "SHARP Akita")
694 .phys_io
= 0x40000000,
695 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
696 .fixup
= fixup_spitz
,
697 .map_io
= pxa_map_io
,
698 .init_irq
= pxa27x_init_irq
,
699 .init_machine
= akita_init
,