| #ifndef __EPM_ADC_H |
| #define __EPM_ADC_H |
| |
| #include <linux/i2c.h> |
| |
| struct epm_chan_request { |
| /* EPM ADC device index. 0 - ADC1, 1 - ADC2 */ |
| uint32_t device_idx; |
| /* Channel number within the EPM ADC device */ |
| uint32_t channel_idx; |
| /* The data meaningful for each individual channel whether it is |
| * voltage, current etc. */ |
| int32_t physical; |
| }; |
| |
| #ifdef __KERNEL__ |
| struct epm_psoc_init_resp { |
| u8 cmd; |
| u8 version; |
| u8 compatible_ver; |
| u8 firm_ver[3]; |
| u8 num_dev; |
| u8 num_channel; |
| }; |
| |
| struct epm_psoc_channel_configure { |
| u8 cmd; |
| u8 device_num; |
| uint32_t channel_num; |
| }; |
| |
| struct epm_psoc_set_avg { |
| u8 cmd; |
| u8 avg_period; |
| u8 return_code; |
| }; |
| |
| struct epm_psoc_get_data { |
| u8 cmd; |
| u8 dev_num; |
| u8 chan_num; |
| uint32_t timestamp_resp_value; |
| uint32_t reading_value; |
| }; |
| |
| struct epm_psoc_get_buffered_data { |
| u8 cmd; |
| u8 dev_num; |
| u8 status_mask; |
| u8 chan_idx; |
| uint32_t chan_mask; |
| uint32_t timestamp_start; |
| uint32_t timestamp_end; |
| u8 buff_data[48]; |
| }; |
| |
| struct epm_psoc_system_time_stamp { |
| u8 cmd; |
| uint32_t timestamp; |
| }; |
| |
| struct epm_psoc_set_channel { |
| u8 cmd; |
| u8 dev_num; |
| uint32_t channel_mask; |
| }; |
| |
| struct result_buffer { |
| uint32_t channel; |
| uint32_t avg_buffer_sample; |
| uint32_t result; |
| }; |
| |
| struct epm_psoc_get_avg_buffered_switch_data { |
| u8 cmd; |
| u8 status; |
| uint32_t timestamp_start; |
| uint32_t channel_mask; |
| u8 avg_data[54]; |
| struct result_buffer data[54]; |
| }; |
| |
| struct epm_psoc_set_channel_switch { |
| u8 cmd; |
| u8 dev; |
| uint32_t delay; |
| }; |
| |
| struct epm_psoc_set_vadc { |
| u8 cmd; |
| u8 vadc_dev; |
| uint32_t vadc_voltage; |
| }; |
| |
| struct epm_chan_properties { |
| uint32_t resistorvalue; |
| uint32_t gain; |
| }; |
| |
| struct epm_adc_platform_data { |
| struct epm_chan_properties *channel; |
| uint32_t num_channels; |
| uint32_t num_adc; |
| uint32_t chan_per_adc; |
| uint32_t chan_per_mux; |
| struct i2c_board_info epm_i2c_board_info; |
| uint32_t bus_id; |
| uint32_t gpio_expander_base_addr; |
| }; |
| #endif |
| |
| #define EPM_ADC_IOCTL_CODE 0x91 |
| |
| #define EPM_ADC_REQUEST _IOWR(EPM_ADC_IOCTL_CODE, 1, \ |
| struct epm_chan_request) |
| |
| #define EPM_ADC_INIT _IOR(EPM_ADC_IOCTL_CODE, 2, \ |
| uint32_t) |
| |
| #define EPM_ADC_DEINIT _IOR(EPM_ADC_IOCTL_CODE, 3, \ |
| uint32_t) |
| |
| #define EPM_PSOC_ADC_INIT _IOR(EPM_ADC_IOCTL_CODE, 4, \ |
| struct epm_psoc_init_resp) |
| |
| #define EPM_PSOC_ADC_CHANNEL_ENABLE _IOWR(EPM_ADC_IOCTL_CODE, 5, \ |
| struct epm_psoc_channel_configure) |
| |
| #define EPM_PSOC_ADC_CHANNEL_DISABLE _IOWR(EPM_ADC_IOCTL_CODE, 6, \ |
| struct epm_psoc_channel_configure) |
| |
| #define EPM_PSOC_ADC_SET_AVERAGING _IOWR(EPM_ADC_IOCTL_CODE, 7, \ |
| struct epm_psoc_set_avg) |
| |
| #define EPM_PSOC_ADC_GET_LAST_MEASUREMENT _IOWR(EPM_ADC_IOCTL_CODE, 8, \ |
| struct epm_psoc_get_data) |
| |
| #define EPM_PSOC_ADC_GET_BUFFERED_DATA _IOWR(EPM_ADC_IOCTL_CODE, 9, \ |
| struct epm_psoc_get_buffered_data) |
| |
| #define EPM_PSOC_ADC_GET_SYSTEM_TIMESTAMP _IOWR(EPM_ADC_IOCTL_CODE, 10, \ |
| struct epm_psoc_system_time_stamp) |
| |
| #define EPM_PSOC_ADC_SET_SYSTEM_TIMESTAMP _IOWR(EPM_ADC_IOCTL_CODE, 11, \ |
| struct epm_psoc_system_time_stamp) |
| |
| #define EPM_PSOC_ADC_GET_AVERAGE_DATA _IOWR(EPM_ADC_IOCTL_CODE, 12, \ |
| struct epm_psoc_get_avg_buffered_switch_data) |
| |
| #define EPM_PSOC_SET_CHANNEL_SWITCH _IOWR(EPM_ADC_IOCTL_CODE, 13, \ |
| struct epm_psoc_set_channel_switch) |
| |
| #define EPM_PSOC_CLEAR_BUFFER _IOWR(EPM_ADC_IOCTL_CODE, 14, \ |
| uint32_t) |
| |
| #define EPM_PSOC_ADC_SET_VADC_REFERENCE _IOWR(EPM_ADC_IOCTL_CODE, 15, \ |
| struct epm_psoc_set_vadc) |
| |
| #endif /* __EPM_ADC_H */ |