[ARM] 3011/1: pxafb: Add ability to set device parent + fix spitz compile error
[linux-3.10.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/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/irq.h>
37 #include <asm/arch/mmc.h>
38 #include <asm/arch/udc.h>
39 #include <asm/arch/ohci.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 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
108 {
109         .dev        = &spitzscoop_device.dev,
110         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
111         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
112         .cd_irq_str = "PCMCIA0 CD",
113 },{
114         .dev        = &spitzscoop2_device.dev,
115         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
116         .cd_irq     = -1,
117 },
118 };
119
120
121 /*
122  * Spitz SSP Device
123  *
124  * Set the parent as the scoop device because a lot of SSP devices
125  * also use scoop functions and this makes the power up/down order
126  * work correctly.
127  */
128 struct platform_device spitzssp_device = {
129         .name           = "corgi-ssp",
130         .dev            = {
131                 .parent = &spitzscoop_device.dev,
132         },
133         .id             = -1,
134 };
135
136 struct corgissp_machinfo spitz_ssp_machinfo = {
137         .port           = 2,
138         .cs_lcdcon      = SPITZ_GPIO_LCDCON_CS,
139         .cs_ads7846     = SPITZ_GPIO_ADS7846_CS,
140         .cs_max1111     = SPITZ_GPIO_MAX1111_CS,
141         .clk_lcdcon     = 520,
142         .clk_ads7846    = 14,
143         .clk_max1111    = 56,
144 };
145
146
147 /*
148  * Spitz Backlight Device
149  */
150 static struct corgibl_machinfo spitz_bl_machinfo = {
151         .max_intensity = 0x2f,
152 };
153
154 static struct platform_device spitzbl_device = {
155         .name           = "corgi-bl",
156         .dev            = {
157                 .platform_data  = &spitz_bl_machinfo,
158         },
159         .id             = -1,
160 };
161
162
163 /*
164  * Spitz Keyboard Device
165  */
166 static struct platform_device spitzkbd_device = {
167         .name           = "spitz-keyboard",
168         .id             = -1,
169 };
170
171
172 /*
173  * Spitz Touch Screen Device
174  */
175 static struct resource spitzts_resources[] = {
176         [0] = {
177                 .start          = SPITZ_IRQ_GPIO_TP_INT,
178                 .end            = SPITZ_IRQ_GPIO_TP_INT,
179                 .flags          = IORESOURCE_IRQ,
180         },
181 };
182
183 static struct corgits_machinfo  spitz_ts_machinfo = {
184         .get_hsync_len   = spitz_get_hsync_len,
185         .put_hsync       = spitz_put_hsync,
186         .wait_hsync      = spitz_wait_hsync,
187 };
188
189 static struct platform_device spitzts_device = {
190         .name           = "corgi-ts",
191         .dev            = {
192                 .parent = &spitzssp_device.dev,
193                 .platform_data  = &spitz_ts_machinfo,
194         },
195         .id             = -1,
196         .num_resources  = ARRAY_SIZE(spitzts_resources),
197         .resource       = spitzts_resources,
198 };
199
200
201 /*
202  * MMC/SD Device
203  *
204  * The card detect interrupt isn't debounced so we delay it by 250ms
205  * to give the card a chance to fully insert/eject.
206  */
207
208 static struct pxamci_platform_data spitz_mci_platform_data;
209
210 static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(int, void *, struct pt_regs *), void *data)
211 {
212         int err;
213
214         /* setup GPIO for PXA27x MMC controller */
215         pxa_gpio_mode(GPIO32_MMCCLK_MD);
216         pxa_gpio_mode(GPIO112_MMCCMD_MD);
217         pxa_gpio_mode(GPIO92_MMCDAT0_MD);
218         pxa_gpio_mode(GPIO109_MMCDAT1_MD);
219         pxa_gpio_mode(GPIO110_MMCDAT2_MD);
220         pxa_gpio_mode(GPIO111_MMCDAT3_MD);
221         pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN);
222         pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN);
223
224         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
225
226         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int, SA_INTERRUPT,
227                              "MMC card detect", data);
228         if (err) {
229                 printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
230                 return -1;
231         }
232
233         set_irq_type(SPITZ_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
234
235         return 0;
236 }
237
238 /* Power control is shared with one of the CF slots so we have a mess */
239 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
240 {
241         struct pxamci_platform_data* p_d = dev->platform_data;
242
243         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
244
245         if (( 1 << vdd) & p_d->ocr_mask) {
246                 /* printk(KERN_DEBUG "%s: on\n", __FUNCTION__); */
247                 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
248                 mdelay(2);
249                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | 0x04);
250         } else {
251                 /* printk(KERN_DEBUG "%s: off\n", __FUNCTION__); */
252                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr & ~0x04);
253
254                 if (!(cpr | 0x02)) {
255                         mdelay(1);
256                         reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
257                 }
258         }
259 }
260
261 static int spitz_mci_get_ro(struct device *dev)
262 {
263         return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP);
264 }
265
266 static void spitz_mci_exit(struct device *dev, void *data)
267 {
268         free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
269 }
270
271 static struct pxamci_platform_data spitz_mci_platform_data = {
272         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
273         .init           = spitz_mci_init,
274         .get_ro         = spitz_mci_get_ro,
275         .setpower       = spitz_mci_setpower,
276         .exit           = spitz_mci_exit,
277 };
278
279
280 /*
281  * Spitz PXA Framebuffer
282  */
283 static struct pxafb_mach_info spitz_pxafb_info __initdata = {
284         .pixclock       = 19231,
285         .xres           = 480,
286         .yres           = 640,
287         .bpp            = 16,
288         .hsync_len      = 40,
289         .left_margin    = 46,
290         .right_margin   = 125,
291         .vsync_len      = 3,
292         .upper_margin   = 1,
293         .lower_margin   = 0,
294         .sync           = 0,
295         .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM,
296         .lccr3          = LCCR3_PixRsEdg | LCCR3_OutEnH,
297         .pxafb_lcd_power = spitz_lcd_power,
298 };
299
300
301 static struct platform_device *devices[] __initdata = {
302         &spitzscoop_device,
303         &spitzssp_device,
304         &spitzkbd_device,
305         &spitzts_device,
306         &spitzbl_device,
307         &spitzbattery_device,
308 };
309
310 static void __init common_init(void)
311 {
312         PMCR = 0x00;
313
314         /* setup sleep mode values */
315         PWER  = 0x00000002;
316         PFER  = 0x00000000;
317         PRER  = 0x00000002;
318         PGSR0 = 0x0158C000;
319         PGSR1 = 0x00FF0080;
320         PGSR2 = 0x0001C004;
321
322         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
323         PCFR |= PCFR_OPDE;
324
325         corgi_ssp_set_machinfo(&spitz_ssp_machinfo);
326
327         pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN);
328
329         platform_add_devices(devices, ARRAY_SIZE(devices));
330         pxa_set_mci_info(&spitz_mci_platform_data);
331         set_pxa_fb_parent(&spitzssp_device.dev);
332         set_pxa_fb_info(&spitz_pxafb_info);
333 }
334
335 static void __init spitz_init(void)
336 {
337         scoop_num = 2;
338         scoop_devs = &spitz_pcmcia_scoop[0];
339         spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity;
340
341         common_init();
342
343         platform_device_register(&spitzscoop2_device);
344 }
345
346 static void __init fixup_spitz(struct machine_desc *desc,
347                 struct tag *tags, char **cmdline, struct meminfo *mi)
348 {
349         sharpsl_save_param();
350         mi->nr_banks = 1;
351         mi->bank[0].start = 0xa0000000;
352         mi->bank[0].node = 0;
353         mi->bank[0].size = (64*1024*1024);
354 }
355
356 #ifdef CONFIG_MACH_SPITZ
357 MACHINE_START(SPITZ, "SHARP Spitz")
358         .phys_ram       = 0xa0000000,
359         .phys_io        = 0x40000000,
360         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
361         .fixup          = fixup_spitz,
362         .map_io         = pxa_map_io,
363         .init_irq       = pxa_init_irq,
364         .init_machine   = spitz_init,
365         .timer          = &pxa_timer,
366 MACHINE_END
367 #endif
368
369 #ifdef CONFIG_MACH_BORZOI
370 MACHINE_START(BORZOI, "SHARP Borzoi")
371         .phys_ram       = 0xa0000000,
372         .phys_io        = 0x40000000,
373         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
374         .fixup          = fixup_spitz,
375         .map_io         = pxa_map_io,
376         .init_irq       = pxa_init_irq,
377         .init_machine   = spitz_init,
378         .timer          = &pxa_timer,
379 MACHINE_END
380 #endif