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/* OLPC machine specific definitions */
#ifndef ASM_OLPC_H_
#define ASM_OLPC_H_
#include <asm/geode.h>
struct olpc_platform_t {
int flags;
int boardrev;
int ecver;
};
#define OLPC_F_PRESENT 0x01
#define OLPC_F_DCON 0x02
#define OLPC_F_VSA 0x04
enum
{
OLPC_REV_A = 0,
OLPC_REV_PRE_B1,
OLPC_REV_B1,
OLPC_REV_PRE_B2,
OLPC_REV_B2,
OLPC_REV_PRE_B3,
OLPC_REV_B3,
OLPC_REV_B4,
OLPC_REV_C1,
OLPC_REV_R1,
OLPC_REV_UNKNOWN /* this should always come last */
};
#ifndef CONFIG_OLPC
static inline int machine_is_olpc(void) { return 0; }
static inline int olpc_has_dcon(void) { return 0; }
static inline int olpc_has_vsa(void) { return 0; }
static inline int olpc_get_rev(void) { return OLPC_REV_UNKNOWN; }
#else
extern struct olpc_platform_t olpc_platform_info;
static inline int
machine_is_olpc(void)
{
return (olpc_platform_info.flags & OLPC_F_PRESENT) ? 1 : 0;
}
static inline int
olpc_has_dcon(void)
{
return (olpc_platform_info.flags & OLPC_F_DCON) ? 1 : 0;
}
static inline int
olpc_has_vsa(void)
{
return (olpc_platform_info.flags & OLPC_F_VSA) ? 1 : 0;
}
static inline int
olpc_get_rev(void)
{
return olpc_platform_info.boardrev;
}
static inline int
olpc_rev_after(int rev)
{
return olpc_platform_info.boardrev > rev &&
olpc_platform_info.boardrev != OLPC_REV_UNKNOWN;
}
static inline int
olpc_rev_before(int rev)
{
return olpc_platform_info.boardrev < rev ||
olpc_platform_info.boardrev == OLPC_REV_UNKNOWN;
}
#endif
/* EC functions */
int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
unsigned char *outbuf, size_t outlen);
void olpc_register_battery_callback(void (*f)(unsigned long));
void olpc_deregister_battery_callback(void);
/* EC commands and responses */
/* 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
/* GPIO assignments */
#define OLPC_GPIO_MIC_AC 1
#define OLPC_GPIO_DCON_IRQ 7
#define OLPC_GPIO_THRM_ALRM 10
#define OLPC_GPIO_WORKAUX 24
#define OLPC_GPIO_LID 26
#define OLPC_GPIO_ECSCI 27
#endif
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