116 lines
2.2 KiB
C
116 lines
2.2 KiB
C
/* OLPC machine specific definitions */
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#ifndef ASM_OLPC_H_
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#define ASM_OLPC_H_
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#include <asm/geode.h>
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struct olpc_platform_t {
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int flags;
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int boardrev;
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int ecver;
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};
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#define OLPC_F_PRESENT 0x01
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#define OLPC_F_DCON 0x02
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#define OLPC_F_VSA 0x04
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enum
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{
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OLPC_REV_A = 0,
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OLPC_REV_PRE_B1,
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OLPC_REV_B1,
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OLPC_REV_PRE_B2,
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OLPC_REV_B2,
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OLPC_REV_PRE_B3,
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OLPC_REV_B3,
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OLPC_REV_B4,
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OLPC_REV_C1,
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OLPC_REV_R1,
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OLPC_REV_UNKNOWN /* this should always come last */
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};
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#ifndef CONFIG_OLPC
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static inline int machine_is_olpc(void) { return 0; }
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static inline int olpc_has_dcon(void) { return 0; }
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static inline int olpc_has_vsa(void) { return 0; }
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static inline int olpc_get_rev(void) { return OLPC_REV_UNKNOWN; }
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#else
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extern struct olpc_platform_t olpc_platform_info;
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static inline int
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machine_is_olpc(void)
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{
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return (olpc_platform_info.flags & OLPC_F_PRESENT) ? 1 : 0;
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}
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static inline int
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olpc_has_dcon(void)
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{
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return (olpc_platform_info.flags & OLPC_F_DCON) ? 1 : 0;
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}
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static inline int
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olpc_has_vsa(void)
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{
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return (olpc_platform_info.flags & OLPC_F_VSA) ? 1 : 0;
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}
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static inline int
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olpc_get_rev(void)
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{
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return olpc_platform_info.boardrev;
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}
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static inline int
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olpc_rev_after(int rev)
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{
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return olpc_platform_info.boardrev > rev &&
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olpc_platform_info.boardrev != OLPC_REV_UNKNOWN;
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}
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static inline int
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olpc_rev_before(int rev)
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{
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return olpc_platform_info.boardrev < rev ||
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olpc_platform_info.boardrev == OLPC_REV_UNKNOWN;
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}
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#endif
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/* EC functions */
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int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
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unsigned char *outbuf, size_t outlen);
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void olpc_register_battery_callback(void (*f)(unsigned long));
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void olpc_deregister_battery_callback(void);
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/* EC commands and responses */
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/* SCI source values */
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#define EC_SCI_SRC_EMPTY 0x00
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#define EC_SCI_SRC_GAME 0x01
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#define EC_SCI_SRC_BATTERY 0x02
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#define EC_SCI_SRC_BATSOC 0x04
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#define EC_SCI_SRC_BATERR 0x08
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#define EC_SCI_SRC_EBOOK 0x10
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#define EC_SCI_SRC_WLAN 0x20
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#define EC_SCI_SRC_ACPWR 0x40
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/* GPIO assignments */
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#define OLPC_GPIO_MIC_AC 1
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#define OLPC_GPIO_DCON_IRQ 7
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#define OLPC_GPIO_THRM_ALRM 10
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#define OLPC_GPIO_WORKAUX 24
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#define OLPC_GPIO_LID 26
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#define OLPC_GPIO_ECSCI 27
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#endif
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