[linux-2.6-block.git] / drivers / input / serio / i8042-sparcio.h

#ifndef _I8042_SPARCIO_H
#define _I8042_SPARCIO_H

#include <linux/of_device.h>

#include <asm/io.h>
#include <asm/oplib.h>
#include <asm/prom.h>

static int i8042_kbd_irq = -1;
static int i8042_aux_irq = -1;
#define I8042_KBD_IRQ i8042_kbd_irq
#define I8042_AUX_IRQ i8042_aux_irq

#define I8042_KBD_PHYS_DESC "sparcps2/serio0"
#define I8042_AUX_PHYS_DESC "sparcps2/serio1"
#define I8042_MUX_PHYS_DESC "sparcps2/serio%d"

static void __iomem *kbd_iobase;

#define I8042_COMMAND_REG	(kbd_iobase + 0x64UL)
#define I8042_DATA_REG		(kbd_iobase + 0x60UL)

static inline int i8042_read_data(void)
{
	return readb(kbd_iobase + 0x60UL);
}

static inline int i8042_read_status(void)
{
	return readb(kbd_iobase + 0x64UL);
}

static inline void i8042_write_data(int val)
{
	writeb(val, kbd_iobase + 0x60UL);
}

static inline void i8042_write_command(int val)
{
	writeb(val, kbd_iobase + 0x64UL);
}

#ifdef CONFIG_PCI

static struct resource *kbd_res;

#define OBP_PS2KBD_NAME1	"kb_ps2"
#define OBP_PS2KBD_NAME2	"keyboard"
#define OBP_PS2MS_NAME1		"kdmouse"
#define OBP_PS2MS_NAME2		"mouse"

static int sparc_i8042_probe(struct platform_device *op)
{
	struct device_node *dp = op->dev.of_node;

	dp = dp->child;
	while (dp) {
		if (!strcmp(dp->name, OBP_PS2KBD_NAME1) ||
		    !strcmp(dp->name, OBP_PS2KBD_NAME2)) {
			struct platform_device *kbd = of_find_device_by_node(dp);
			unsigned int irq = kbd->archdata.irqs[0];
			if (irq == 0xffffffff)
				irq = op->archdata.irqs[0];
			i8042_kbd_irq = irq;
			kbd_iobase = of_ioremap(&kbd->resource[0],
						0, 8, "kbd");
			kbd_res = &kbd->resource[0];
		} else if (!strcmp(dp->name, OBP_PS2MS_NAME1) ||
			   !strcmp(dp->name, OBP_PS2MS_NAME2)) {
			struct platform_device *ms = of_find_device_by_node(dp);
			unsigned int irq = ms->archdata.irqs[0];
			if (irq == 0xffffffff)
				irq = op->archdata.irqs[0];
			i8042_aux_irq = irq;
		}

		dp = dp->sibling;
	}

	return 0;
}

static int sparc_i8042_remove(struct platform_device *op)
{
	of_iounmap(kbd_res, kbd_iobase, 8);

	return 0;
}

static const struct of_device_id sparc_i8042_match[] = {
	{
		.name = "8042",
	},
	{},
};
MODULE_DEVICE_TABLE(of, sparc_i8042_match);

static struct platform_driver sparc_i8042_driver = {
	.driver = {
		.name = "i8042",
		.of_match_table = sparc_i8042_match,
	},
	.probe		= sparc_i8042_probe,
	.remove		= sparc_i8042_remove,
};

static int __init i8042_platform_init(void)
{
	struct device_node *root = of_find_node_by_path("/");

	if (!strcmp(root->name, "SUNW,JavaStation-1")) {
		/* Hardcoded values for MrCoffee.  */
		i8042_kbd_irq = i8042_aux_irq = 13 | 0x20;
		kbd_iobase = ioremap(0x71300060, 8);
		if (!kbd_iobase)
			return -ENODEV;
	} else {
		int err = platform_driver_register(&sparc_i8042_driver);
		if (err)
			return err;

		if (i8042_kbd_irq == -1 ||
		    i8042_aux_irq == -1) {
			if (kbd_iobase) {
				of_iounmap(kbd_res, kbd_iobase, 8);
				kbd_iobase = (void __iomem *) NULL;
			}
			return -ENODEV;
		}
	}

	i8042_reset = I8042_RESET_ALWAYS;

	return 0;
}

static inline void i8042_platform_exit(void)
{
	struct device_node *root = of_find_node_by_path("/");

	if (strcmp(root->name, "SUNW,JavaStation-1"))
		platform_driver_unregister(&sparc_i8042_driver);
}

#else /* !CONFIG_PCI */
static int __init i8042_platform_init(void)
{
	return -ENODEV;
}

static inline void i8042_platform_exit(void)
{
}
#endif /* !CONFIG_PCI */

#endif /* _I8042_SPARCIO_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _I8042_SPARCIO_H
	2	#define _I8042_SPARCIO_H
	3
c6ed413d SR	4	#include <linux/of_device.h>
c6ed413d SR	5
1da177e4	6	#include <asm/io.h>
1da177e4	7	#include <asm/oplib.h>
f57caaef	8	#include <asm/prom.h>
1da177e4 LT	9
	10	static int i8042_kbd_irq = -1;
	11	static int i8042_aux_irq = -1;
	12	#define I8042_KBD_IRQ i8042_kbd_irq
	13	#define I8042_AUX_IRQ i8042_aux_irq
	14
	15	#define I8042_KBD_PHYS_DESC "sparcps2/serio0"
	16	#define I8042_AUX_PHYS_DESC "sparcps2/serio1"
	17	#define I8042_MUX_PHYS_DESC "sparcps2/serio%d"
	18
	19	static void __iomem *kbd_iobase;
	20
	21	#define I8042_COMMAND_REG (kbd_iobase + 0x64UL)
	22	#define I8042_DATA_REG (kbd_iobase + 0x60UL)
	23
	24	static inline int i8042_read_data(void)
	25	{
	26	return readb(kbd_iobase + 0x60UL);
	27	}
	28
	29	static inline int i8042_read_status(void)
	30	{
	31	return readb(kbd_iobase + 0x64UL);
	32	}
	33
	34	static inline void i8042_write_data(int val)
	35	{
	36	writeb(val, kbd_iobase + 0x60UL);
	37	}
	38
	39	static inline void i8042_write_command(int val)
	40	{
	41	writeb(val, kbd_iobase + 0x64UL);
	42	}
	43
8c6a5cad AB	44	#ifdef CONFIG_PCI
8c6a5cad AB	45
fb92be7b VS	46	static struct resource *kbd_res;
fb92be7b VS	47
1da177e4 LT	48	#define OBP_PS2KBD_NAME1 "kb_ps2"
	49	#define OBP_PS2KBD_NAME2 "keyboard"
	50	#define OBP_PS2MS_NAME1 "kdmouse"
	51	#define OBP_PS2MS_NAME2 "mouse"
	52
5298cc4c	53	static int sparc_i8042_probe(struct platform_device *op)
f57caaef	54	{
61c7a080	55	struct device_node *dp = op->dev.of_node;
f57caaef DM	56
	57	dp = dp->child;
	58	while (dp) {
	59	if (!strcmp(dp->name, OBP_PS2KBD_NAME1) \|\|
	60	!strcmp(dp->name, OBP_PS2KBD_NAME2)) {
2dc11581	61	struct platform_device *kbd = of_find_device_by_node(dp);
1636f8ac	62	unsigned int irq = kbd->archdata.irqs[0];
f57caaef	63	if (irq == 0xffffffff)
1636f8ac	64	irq = op->archdata.irqs[0];
f57caaef DM	65	i8042_kbd_irq = irq;
	66	kbd_iobase = of_ioremap(&kbd->resource[0],
	67	0, 8, "kbd");
e3a411a3	68	kbd_res = &kbd->resource[0];
f57caaef DM	69	} else if (!strcmp(dp->name, OBP_PS2MS_NAME1) \|\|
f57caaef DM	70	!strcmp(dp->name, OBP_PS2MS_NAME2)) {
2dc11581	71	struct platform_device *ms = of_find_device_by_node(dp);
1636f8ac	72	unsigned int irq = ms->archdata.irqs[0];
f57caaef	73	if (irq == 0xffffffff)
1636f8ac	74	irq = op->archdata.irqs[0];
f57caaef DM	75	i8042_aux_irq = irq;
	76	}
	77
	78	dp = dp->sibling;
	79	}
	80
	81	return 0;
	82	}
	83
e2619cf7	84	static int sparc_i8042_remove(struct platform_device *op)
f57caaef	85	{
e3a411a3	86	of_iounmap(kbd_res, kbd_iobase, 8);
f57caaef DM	87
	88	return 0;
	89	}
	90
fd098316	91	static const struct of_device_id sparc_i8042_match[] = {
f57caaef DM	92	{
	93	.name = "8042",
	94	},
	95	{},
	96	};
6b8f3ef4	97	MODULE_DEVICE_TABLE(of, sparc_i8042_match);
f57caaef	98
4ebb24f7	99	static struct platform_driver sparc_i8042_driver = {
4018294b GL	100	.driver = {
4018294b GL	101	.name = "i8042",
4018294b GL	102	.of_match_table = sparc_i8042_match,
4018294b GL	103	},
f57caaef	104	.probe = sparc_i8042_probe,
1cb0aa88	105	.remove = sparc_i8042_remove,
f57caaef DM	106	};
f57caaef DM	107
8d5987a6	108	static int __init i8042_platform_init(void)
1da177e4	109	{
f57caaef	110	struct device_node *root = of_find_node_by_path("/");
1da177e4	111
f57caaef	112	if (!strcmp(root->name, "SUNW,JavaStation-1")) {
1da177e4 LT	113	/* Hardcoded values for MrCoffee. */
	114	i8042_kbd_irq = i8042_aux_irq = 13 \| 0x20;
	115	kbd_iobase = ioremap(0x71300060, 8);
	116	if (!kbd_iobase)
8d5987a6	117	return -ENODEV;
1da177e4	118	} else {
4ebb24f7	119	int err = platform_driver_register(&sparc_i8042_driver);
f57caaef DM	120	if (err)
	121	return err;
	122
1da177e4 LT	123	if (i8042_kbd_irq == -1 \|\|
1da177e4 LT	124	i8042_aux_irq == -1) {
f57caaef	125	if (kbd_iobase) {
e3a411a3	126	of_iounmap(kbd_res, kbd_iobase, 8);
f57caaef DM	127	kbd_iobase = (void __iomem *) NULL;
f57caaef DM	128	}
8d5987a6	129	return -ENODEV;
1da177e4 LT	130	}
	131	}
	132
930e1924	133	i8042_reset = I8042_RESET_ALWAYS;
1da177e4 LT	134
1da177e4 LT	135	return 0;
1da177e4 LT	136	}
	137
	138	static inline void i8042_platform_exit(void)
	139	{
f57caaef DM	140	struct device_node *root = of_find_node_by_path("/");
	141
	142	if (strcmp(root->name, "SUNW,JavaStation-1"))
4ebb24f7	143	platform_driver_unregister(&sparc_i8042_driver);
1da177e4 LT	144	}
1da177e4 LT	145
8c6a5cad AB	146	#else /* !CONFIG_PCI */
	147	static int __init i8042_platform_init(void)
	148	{
	149	return -ENODEV;
	150	}
	151
	152	static inline void i8042_platform_exit(void)
	153	{
	154	}
	155	#endif /* !CONFIG_PCI */
	156
1da177e4	157	#endif /* _I8042_SPARCIO_H */