[deliverable/linux.git] / arch / x86 / include / asm / olpc.h

/* OLPC machine specific definitions */

#ifndef _ASM_X86_OLPC_H
#define _ASM_X86_OLPC_H

#include <asm/geode.h>

struct olpc_platform_t {
	int flags;
	uint32_t boardrev;
	int ecver;
};

#define OLPC_F_PRESENT		0x01
#define OLPC_F_DCON		0x02

#ifdef CONFIG_OLPC

extern struct olpc_platform_t olpc_platform_info;

/*
 * OLPC board IDs contain the major build number within the mask 0x0ff0,
 * and the minor build number withing 0x000f.  Pre-builds have a minor
 * number less than 8, and normal builds start at 8.  For example, 0x0B10
 * is a PreB1, and 0x0C18 is a C1.
 */

static inline uint32_t olpc_board(uint8_t id)
{
	return (id << 4) | 0x8;
}

static inline uint32_t olpc_board_pre(uint8_t id)
{
	return id << 4;
}

static inline int machine_is_olpc(void)
{
	return (olpc_platform_info.flags & OLPC_F_PRESENT) ? 1 : 0;
}

/*
 * The DCON is OLPC's Display Controller.  It has a number of unique
 * features that we might want to take advantage of..
 */
static inline int olpc_has_dcon(void)
{
	return (olpc_platform_info.flags & OLPC_F_DCON) ? 1 : 0;
}

/*
 * The "Mass Production" version of OLPC's XO is identified as being model
 * C2.  During the prototype phase, the following models (in chronological
 * order) were created: A1, B1, B2, B3, B4, C1.  The A1 through B2 models
 * were based on Geode GX CPUs, and models after that were based upon
 * Geode LX CPUs.  There were also some hand-assembled models floating
 * around, referred to as PreB1, PreB2, etc.
 */
static inline int olpc_board_at_least(uint32_t rev)
{
	return olpc_platform_info.boardrev >= rev;
}

#else

static inline int machine_is_olpc(void)
{
	return 0;
}

static inline int olpc_has_dcon(void)
{
	return 0;
}

#endif

extern int pci_olpc_init(void);

/* EC related functions */

extern int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
		unsigned char *outbuf, size_t outlen);

extern int olpc_ec_mask_set(uint8_t bits);
extern int olpc_ec_mask_unset(uint8_t bits);

/* EC commands */

#define EC_FIRMWARE_REV		0x08
#define EC_WLAN_ENTER_RESET	0x35
#define EC_WLAN_LEAVE_RESET	0x25

/* SCI source values */

#define EC_SCI_SRC_EMPTY	0x00
#define EC_SCI_SRC_GAME		0x01
#define EC_SCI_SRC_BATTERY	0x02
#define EC_SCI_SRC_BATSOC	0x04
#define EC_SCI_SRC_BATERR	0x08
#define EC_SCI_SRC_EBOOK	0x10
#define EC_SCI_SRC_WLAN		0x20
#define EC_SCI_SRC_ACPWR	0x40
#define EC_SCI_SRC_ALL		0x7F

/* GPIO assignments */

#define OLPC_GPIO_MIC_AC	1
#define OLPC_GPIO_DCON_STAT0	5
#define OLPC_GPIO_DCON_STAT1	6
#define OLPC_GPIO_DCON_IRQ	7
#define OLPC_GPIO_THRM_ALRM	geode_gpio(10)
#define OLPC_GPIO_DCON_LOAD    11
#define OLPC_GPIO_DCON_BLANK   12
#define OLPC_GPIO_SMB_CLK      14
#define OLPC_GPIO_SMB_DATA     15
#define OLPC_GPIO_WORKAUX	geode_gpio(24)
#define OLPC_GPIO_LID		geode_gpio(26)
#define OLPC_GPIO_ECSCI		geode_gpio(27)

#endif /* _ASM_X86_OLPC_H */
Commit	Line	Data
3ef0e1f8 AS	1	/* OLPC machine specific definitions */
3ef0e1f8 AS	2
1965aae3 PA	3	#ifndef _ASM_X86_OLPC_H
1965aae3 PA	4	#define _ASM_X86_OLPC_H
3ef0e1f8 AS	5
	6	#include <asm/geode.h>
	7
	8	struct olpc_platform_t {
	9	int flags;
	10	uint32_t boardrev;
	11	int ecver;
	12	};
	13
	14	#define OLPC_F_PRESENT 0x01
	15	#define OLPC_F_DCON 0x02
3ef0e1f8 AS	16
	17	#ifdef CONFIG_OLPC
	18
	19	extern struct olpc_platform_t olpc_platform_info;
	20
	21	/*
	22	* OLPC board IDs contain the major build number within the mask 0x0ff0,
	23	* and the minor build number withing 0x000f. Pre-builds have a minor
	24	* number less than 8, and normal builds start at 8. For example, 0x0B10
	25	* is a PreB1, and 0x0C18 is a C1.
	26	*/
	27
	28	static inline uint32_t olpc_board(uint8_t id)
	29	{
	30	return (id << 4) \| 0x8;
	31	}
	32
	33	static inline uint32_t olpc_board_pre(uint8_t id)
	34	{
	35	return id << 4;
	36	}
	37
	38	static inline int machine_is_olpc(void)
	39	{
	40	return (olpc_platform_info.flags & OLPC_F_PRESENT) ? 1 : 0;
	41	}
	42
	43	/*
	44	* The DCON is OLPC's Display Controller. It has a number of unique
	45	* features that we might want to take advantage of..
	46	*/
	47	static inline int olpc_has_dcon(void)
	48	{
	49	return (olpc_platform_info.flags & OLPC_F_DCON) ? 1 : 0;
	50	}
	51
3ef0e1f8 AS	52	/*
	53	* The "Mass Production" version of OLPC's XO is identified as being model
	54	* C2. During the prototype phase, the following models (in chronological
	55	* order) were created: A1, B1, B2, B3, B4, C1. The A1 through B2 models
	56	* were based on Geode GX CPUs, and models after that were based upon
	57	* Geode LX CPUs. There were also some hand-assembled models floating
	58	* around, referred to as PreB1, PreB2, etc.
	59	*/
	60	static inline int olpc_board_at_least(uint32_t rev)
	61	{
	62	return olpc_platform_info.boardrev >= rev;
	63	}
	64
	65	#else
	66
	67	static inline int machine_is_olpc(void)
	68	{
	69	return 0;
	70	}
	71
	72	static inline int olpc_has_dcon(void)
	73	{
	74	return 0;
	75	}
	76
3ef0e1f8 AS	77	#endif
3ef0e1f8 AS	78
d5d0e88c TG	79	extern int pci_olpc_init(void);
d5d0e88c TG	80
3ef0e1f8 AS	81	/* EC related functions */
	82
	83	extern int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
	84	unsigned char *outbuf, size_t outlen);
	85
	86	extern int olpc_ec_mask_set(uint8_t bits);
	87	extern int olpc_ec_mask_unset(uint8_t bits);
	88
	89	/* EC commands */
	90
	91	#define EC_FIRMWARE_REV 0x08
260586d2 DD	92	#define EC_WLAN_ENTER_RESET 0x35
260586d2 DD	93	#define EC_WLAN_LEAVE_RESET 0x25
3ef0e1f8 AS	94
	95	/* SCI source values */
	96
	97	#define EC_SCI_SRC_EMPTY 0x00
	98	#define EC_SCI_SRC_GAME 0x01
	99	#define EC_SCI_SRC_BATTERY 0x02
	100	#define EC_SCI_SRC_BATSOC 0x04
	101	#define EC_SCI_SRC_BATERR 0x08
	102	#define EC_SCI_SRC_EBOOK 0x10
	103	#define EC_SCI_SRC_WLAN 0x20
	104	#define EC_SCI_SRC_ACPWR 0x40
	105	#define EC_SCI_SRC_ALL 0x7F
	106
	107	/* GPIO assignments */
	108
3c554946	109	#define OLPC_GPIO_MIC_AC 1
7637c925 AS	110	#define OLPC_GPIO_DCON_STAT0 5
	111	#define OLPC_GPIO_DCON_STAT1 6
	112	#define OLPC_GPIO_DCON_IRQ 7
3ef0e1f8	113	#define OLPC_GPIO_THRM_ALRM geode_gpio(10)
7637c925 AS	114	#define OLPC_GPIO_DCON_LOAD 11
	115	#define OLPC_GPIO_DCON_BLANK 12
	116	#define OLPC_GPIO_SMB_CLK 14
	117	#define OLPC_GPIO_SMB_DATA 15
3ef0e1f8 AS	118	#define OLPC_GPIO_WORKAUX geode_gpio(24)
	119	#define OLPC_GPIO_LID geode_gpio(26)
	120	#define OLPC_GPIO_ECSCI geode_gpio(27)
	121
1965aae3	122	#endif /* _ASM_X86_OLPC_H */