/*
* Support for Sharp SL-Cxx00 Series of PDAs
* Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
*
* Copyright (c) 2005 Richard Purdie
*
* Based on Sharp's 2.4 kernel patches/lubbock.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
#include <linux/mmc/host.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/irq.h>
#include <asm/arch/mmc.h>
#include <asm/arch/udc.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/akita.h>
#include <asm/arch/spitz.h>
#include <asm/arch/sharpsl.h>
#include <asm/mach/sharpsl_param.h>
#include <asm/hardware/scoop.h>
#include "generic.h"
#include "sharpsl.h"
/*
* Spitz SCOOP Device #1
*/
static struct resource spitz_scoop_resources[] = {
[0] = {
.start = 0x10800000,
.end = 0x10800fff,
.flags = IORESOURCE_MEM,
},
};
static struct scoop_config spitz_scoop_setup = {
.io_dir = SPITZ_SCP_IO_DIR,
.io_out = SPITZ_SCP_IO_OUT,
.suspend_clr = SPITZ_SCP_SUS_CLR,
.suspend_set = SPITZ_SCP_SUS_SET,
};
struct platform_device spitzscoop_device = {
.name = "sharp-scoop",
.id = 0,
.dev = {
.platform_data = &spitz_scoop_setup,
},
.num_resources = ARRAY_SIZE(spitz_scoop_resources),
.resource = spitz_scoop_resources,
};
/*
* Spitz SCOOP Device #2
*/
static struct resource spitz_scoop2_resources[] = {
[0] = {
.start = 0x08800040,
.end = 0x08800fff,
.flags = IORESOURCE_MEM,
},
};
static struct scoop_config spitz_scoop2_setup = {
.io_dir = SPITZ_SCP2_IO_DIR,
.io_out = SPITZ_SCP2_IO_OUT,
.suspend_clr = SPITZ_SCP2_SUS_CLR,
.suspend_set = SPITZ_SCP2_SUS_SET,
};
struct platform_device spitzscoop2_device = {
.name = "sharp-scoop",
.id = 1,
.dev = {
.platform_data = &spitz_scoop2_setup,
},
.num_resources = ARRAY_SIZE(spitz_scoop2_resources),
.resource = spitz_scoop2_resources,
};
static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
{
.dev = &spitzscoop_device.dev,
.irq = SPITZ_IRQ_GPIO_CF_IRQ,
.cd_irq = SPITZ_IRQ_GPIO_CF_CD,
.cd_irq_str = "PCMCIA0 CD",
},{
.dev = &spitzscoop2_device.dev,
.irq = SPITZ_IRQ_GPIO_CF2_IRQ,
.cd_irq = -1,
},
};
/*
* Spitz SSP Device
*
* Set the parent as the scoop device because a lot of SSP devices
* also use scoop functions and this makes the power up/down order
* work correctly.
*/
struct platform_device spitzssp_device = {
.name = "corgi-ssp",
.dev = {
.parent = &spitzscoop_device.dev,
},
.id = -1,
};
struct corgissp_machinfo spitz_ssp_machinfo = {
.port = 2,
.cs_lcdcon = SPITZ_GPIO_LCDCON_CS,
.cs_ads7846 = SPITZ_GPIO_ADS7846_CS,
.cs_max1111 = SPITZ_GPIO_MAX1111_CS,
.clk_lcdcon = 520,
.clk_ads7846 = 14,
.clk_max1111 = 56,
};
/*
* Spitz Backlight Device
*/
static struct corgibl_machinfo spitz_bl_machinfo = {
.max_intensity = 0x2f,
};
static struct platform_device spitzbl_device = {
.name = "corgi-bl",
.dev = {
.platform_data = &spitz_bl_machinfo,
},
.id = -1,
};
/*
* Spitz Keyboard Device
*/
static struct platform_device spitzkbd_device = {
.name = "spitz-keyboard",
.id = -1,
};
/*
* Spitz Touch Screen Device
*/
static struct resource spitzts_resources[] = {
[0] = {
.start = SPITZ_IRQ_GPIO_TP_INT,
.end = SPITZ_IRQ_GPIO_TP_INT,
.flags = IORESOURCE_IRQ,
},
};
static struct corgits_machinfo spitz_ts_machinfo = {
.get_hsync_len = spitz_get_hsync_len,
.put_hsync = spitz_put_hsync,
.wait_hsync = spitz_wait_hsync,
};
static struct platform_device spitzts_device = {
.name = "corgi-ts",
.dev = {
.parent = &spitzssp_device.dev,
.platform_data = &spitz_ts_machinfo,
},
.id = -1,
.num_resources = ARRAY_SIZE(spitzts_resources),
.resource = spitzts_resources,
};
/*
* MMC/SD Device
*
* The card detect interrupt isn't debounced so we delay it by 250ms
* to give the card a chance to fully insert/eject.
*/
static struct pxamci_platform_data spitz_mci_platform_data;
static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(int, void *, struct pt_regs *), void *data)
{
int err;
/* setup GPIO for PXA27x MMC controller */
pxa_gpio_mode(GPIO32_MMCCLK_MD);
pxa_gpio_mode(GPIO112_MMCCMD_MD);
pxa_gpio_mode(GPIO92_MMCDAT0_MD);
pxa_gpio_mode(GPIO109_MMCDAT1_MD);
pxa_gpio_mode(GPIO110_MMCDAT2_MD);
pxa_gpio_mode(GPIO111_MMCDAT3_MD);
pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN);
pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN);
spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int, SA_INTERRUPT,
"MMC card detect", data);
if (err) {
printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
return -1;
}
set_irq_type(SPITZ_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
return 0;
}
/* Power control is shared with one of the CF slots so we have a mess */
static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data* p_d = dev->platform_data;
unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
if (( 1 << vdd) & p_d->ocr_mask) {
/* printk(KERN_DEBUG "%s: on\n", __FUNCTION__); */
set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
mdelay(2);
write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | 0x04);
} else {
/* printk(KERN_DEBUG "%s: off\n", __FUNCTION__); */
write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr & ~0x04);
if (!(cpr | 0x02)) {
mdelay(1);
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
}
}
}
static int spitz_mci_get_ro(struct device *dev)
{
return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP);
}
static void spitz_mci_exit(struct device *dev, void *data)
{
free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
}
static struct pxamci_platform_data spitz_mci_platform_data = {
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
.init = spitz_mci_init,
.get_ro = spitz_mci_get_ro,
.setpower = spitz_mci_setpower,
.exit = spitz_mci_exit,
};
/*
* Spitz PXA Framebuffer
*/
static struct pxafb_mach_info spitz_pxafb_info __initdata = {
.pixclock = 19231,
.xres = 480,
.yres = 640,
.bpp = 16,
.hsync_len = 40,
.left_margin = 46,
.right_margin = 125,
.vsync_len = 3,
.upper_margin = 1,
.lower_margin = 0,
.sync = 0,
.lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM,
.lccr3 = LCCR3_PixRsEdg | LCCR3_OutEnH,
.pxafb_lcd_power = spitz_lcd_power,
};
static struct platform_device *devices[] __initdata = {
&spitzscoop_device,
&spitzssp_device,
&spitzkbd_device,
&spitzts_device,
&spitzbl_device,
};
static void __init common_init(void)
{
PMCR = 0x00;
/* setup sleep mode values */
PWER = 0x00000002;
PFER = 0x00000000;
PRER = 0x00000002;
PGSR0 = 0x0158C000;
PGSR1 = 0x00FF0080;
PGSR2 = 0x0001C004;
/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
PCFR |= PCFR_OPDE;
corgi_ssp_set_machinfo(&spitz_ssp_machinfo);
pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN);
platform_add_devices(devices, ARRAY_SIZE(devices));
pxa_set_mci_info(&spitz_mci_platform_data);
set_pxa_fb_parent(&spitzssp_device.dev);
set_pxa_fb_info(&spitz_pxafb_info);
}
static void __init spitz_init(void)
{
scoop_num = 2;
scoop_devs = &spitz_pcmcia_scoop[0];
spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity;
common_init();
platform_device_register(&spitzscoop2_device);
}
static void __init fixup_spitz(struct machine_desc *desc,
struct tag *tags, char **cmdline, struct meminfo *mi)
{
sharpsl_save_param();
mi->nr_banks = 1;
mi->bank[0].start = 0xa0000000;
mi->bank[0].node = 0;
mi->bank[0].size = (64*1024*1024);
}
#ifdef CONFIG_MACH_SPITZ
MACHINE_START(SPITZ, "SHARP Spitz")
.phys_ram = 0xa0000000,
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = fixup_spitz,
.map_io = pxa_map_io,
.init_irq = pxa_init_irq,
.init_machine = spitz_init,
.timer = &pxa_timer,
MACHINE_END
#endif
#ifdef CONFIG_MACH_BORZOI
MACHINE_START(BORZOI, "SHARP Borzoi")
.phys_ram = 0xa0000000,
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = fixup_spitz,
.map_io = pxa_map_io,
.init_irq = pxa_init_irq,
.init_machine = spitz_init,
.timer = &pxa_timer,
MACHINE_END
#endif
