diff options
Diffstat (limited to 'mtac.h')
| -rw-r--r-- | mtac.h | 95 |
1 files changed, 95 insertions, 0 deletions
@@ -0,0 +1,95 @@ +#ifndef IO_MODULE_MTAC_H_ +#define IO_MODULE_MTAC_H_ + +// NUM_AP should be defined from the board code +// it should be set to the value of CONFIG_MTS_NUM_ACCESSORY_PORTS +// arch/arm/mach-at91/board-dt-sam9.c +// if it is 0 or undefined, there is no accessory card support on this HW +#ifdef CONFIG_MTS_NUM_ACCESSORY_PORTS + +#ifndef NUM_AP +#define NUM_AP CONFIG_MTS_NUM_ACCESSORY_PORTS +#endif + +#else +#define NUM_AP 0 +#endif + + +#define PRODUCT_ID_MTAC_GPIOB "MTAC-GPIOB" +#define PRODUCT_ID_MTAC_MFSER "MTAC-MFSER" +#define PRODUCT_ID_MTAC_ETH "MTAC-ETH" +#define PRODUCT_ID_MTAC_LORA "MTAC-LORA" +#define PRODUCT_ID_MTAC_PULSE "MTAC-PULSE" +#define PRODUCT_ID_MTAC_XDOT "MTAC-XDOT" + + +#define DEBUG 1 + +/* Hardware version must be fewer characters than hw_version + in struct mts_ap_eeprom_layout */ +/* MTAC-LORA with native SPI or FTDI FT4222 */ +#define HW_VERSION_MTAC_LORA_0_0 "MTAC-LORA-0.0" +/* MTAC-LORA2 with FTDI FT232H */ +#define HW_VERSION_MTAC_LORA_1_0 "MTAC-LORA-1.0" +#define HW_VERSION_MTAC_LORA_1_1 "MTAC-LORA-1.1" +#define HW_VERSION_MTAC_LORA_1_5 "MTAC-LORA-1.5" +/* Code assumes CRESET/CDONE (SPI programming) cases will not + * exactly match MTAC-LORA-0.0, 1.0, or 1.1. Also levels before + * 1.5 must be the same length. + */ + +enum { + MTAC_NONE, + MTAC_GPIOB_0_0, + MTAC_MFSER_0_0, + MTAC_ETH_0_0, + MTAC_LORA_0_0, + MTAC_LORA_1_0, + MTAC_LORA_1_1, + MTAC_LORA_1_5, + MTAC_PULSE_1_0, + MTAC_XDOT_0_0, +}; + +enum ap { + port_1 = 1, + port_2, +}; + +// info for accessory port +// contains function pointers for setup and teardown and useful info +// each type of accessory card should have one of these +struct ap_info { + char product_id[32]; + bool (*setup)(enum ap port); + bool (*teardown)(enum ap port); + char* (*gpio_pin_name_by_attr_name)(const char* name, int port); + struct gpio_pin *gpio_pins; + struct kobject *subdirs; + struct attribute_group attr_group; +}; + +extern struct platform_device *mts_io_platform_device; + +extern uint8_t mts_ap_eeprom[NUM_AP][512]; +extern struct mutex mtac_mutex; + +extern void mtac_clear_port_pins(int port_index); +extern void mtac_set_port_pins(int port_index, struct gpio_pin *pins, struct kobject *subdir); +extern struct kobj_attribute* mtac_create_attribute(const char* _name, umode_t _mode); +extern int mtac_port_from_kobject(struct kobject *kobj); +extern ssize_t mtac_show_product_info(struct kobject *kobj, struct kobj_attribute *attr, char *buf); +extern bool mtac_add_product_info_attributes(int port, struct attribute** attrs, int* index); +extern struct gpio_pin *mtac_gpio_pin_by_attr_name(const char *name, int port); +extern ssize_t mtac_attr_show_ap_gpio_pin(struct kobject *kobj, + struct kobj_attribute *attr, + char *buf); +extern ssize_t mtac_attr_store_ap_gpio_pin(struct kobject *kobj, + struct kobj_attribute *attr, const char *buf, size_t count); +extern struct gpio_pin *mtac_gpio_pin_by_num(unsigned num, int port_index); +extern struct gpio_pin *mtac_gpio_pin_by_name(const char *name, int port_index); +extern void mtac_clear_port_pins(int port_index); +extern int mtac_find(void(*set_info)(struct ap_info* info), const char *target_product_id); +extern struct ap_info *mtac_port_info[]; +#endif /* IO_MODULE_MTAC_H_ */ |