hwmon: Enable EPM driver

This snapshot is taken as of msm-3.18 commit dbdb6776f
(Merge "msm: camera: Add dummy sub module in sensor pipeline")

Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>

1 files changed, 215 insertions, 0 deletions

diff --git a/include/uapi/linux/epm_adc.h b/include/uapi/linux/epm_adc.h
new file mode 100644
index 000000000000..9a2f613950de
--- /dev/null
+++ b/include/uapi/linux/epm_adc.h
@@ -0,0 +1,215 @@
+#ifndef _UAPI_EPM_ADC_H
+#define _UAPI_EPM_ADC_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;
+};
+
+struct epm_psoc_init_resp {
+	uint8_t	cmd;
+	uint8_t	version;
+	uint8_t	compatible_ver;
+	uint8_t	firm_ver[3];
+	uint8_t	num_dev;
+	uint8_t	num_channel;
+};
+
+struct epm_psoc_channel_configure {
+	uint8_t		cmd;
+	uint8_t		device_num;
+	uint32_t	channel_num;
+};
+
+struct epm_psoc_set_avg {
+	uint8_t	cmd;
+	uint8_t	avg_period;
+	uint8_t	return_code;
+};
+
+struct epm_psoc_get_data {
+	uint8_t		cmd;
+	uint8_t		dev_num;
+	uint8_t		chan_num;
+	uint32_t	timestamp_resp_value;
+	int16_t		reading_raw;
+	int32_t		reading_value;
+};
+
+struct epm_psoc_get_buffered_data {
+	uint8_t		cmd;
+	uint8_t		dev_num;
+	uint8_t		status_mask;
+	uint8_t		chan_idx;
+	uint32_t	chan_mask;
+	uint32_t	timestamp_start;
+	uint32_t	timestamp_end;
+	uint8_t		buff_data[48];
+};
+
+struct epm_psoc_system_time_stamp {
+	uint8_t		cmd;
+	uint32_t	timestamp;
+};
+
+struct epm_psoc_set_channel {
+	uint8_t		cmd;
+	uint8_t		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 {
+	uint8_t			cmd;
+	uint8_t			status;
+	uint32_t		timestamp_start;
+	uint32_t		channel_mask;
+	uint8_t			avg_data[54];
+	struct result_buffer	data[54];
+};
+
+struct epm_psoc_set_channel_switch {
+	uint8_t		cmd;
+	uint8_t		dev;
+	uint32_t	delay;
+};
+
+struct epm_psoc_set_vadc {
+	uint8_t		cmd;
+	uint8_t		vadc_dev;
+	uint32_t	vadc_voltage;
+};
+
+struct epm_chan_properties {
+	uint32_t resistorvalue;
+	uint32_t gain;
+};
+
+struct epm_marker_level {
+	uint8_t		level;
+};
+
+struct epm_gpio_buffer_request {
+	uint8_t		cmd;
+	uint8_t		bitmask_monitor_pin;
+	uint8_t		status;
+};
+
+struct epm_get_gpio_buffer_resp {
+	uint8_t		cmd;
+	uint8_t		status;
+	uint8_t		bitmask_monitor_pin;
+	uint32_t	timestamp;
+};
+
+struct epm_get_high_res_avg_data {
+	uint8_t		cmd;
+	uint8_t		status;
+	uint32_t	channel_mask;
+	uint32_t	timestamp;
+	uint8_t		buf_data[54];
+};
+
+struct epm_generic_request {
+	uint8_t		buf[64];
+};
+
+
+#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_MARKER1_REQUEST	_IOR(EPM_ADC_IOCTL_CODE, 90,	\
+						uint32_t)
+
+
+#define EPM_MARKER1_RELEASE	_IOR(EPM_ADC_IOCTL_CODE, 91,	\
+						uint32_t)
+
+#define EPM_MARKER1_SET_LEVEL	_IOWR(EPM_ADC_IOCTL_CODE, 92,	\
+						uint32_t)
+
+#define EPM_MARKER2_REQUEST	_IOR(EPM_ADC_IOCTL_CODE, 93,	\
+						uint32_t)
+
+#define EPM_MARKER2_SET_LEVEL	_IOWR(EPM_ADC_IOCTL_CODE, 94,	\
+						uint32_t)
+
+#define EPM_MARKER2_RELEASE	_IOR(EPM_ADC_IOCTL_CODE, 95,	\
+						uint32_t)
+
+#define EPM_PSOC_ADC_INIT		_IOWR(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)
+
+#define EPM_PSOC_ADC_DEINIT		_IOWR(EPM_ADC_IOCTL_CODE, 16,	\
+							     uint32_t)
+
+#define EPM_PSOC_GPIO_BUFFER_REQUEST	_IOWR(EPM_ADC_IOCTL_CODE, 17,	\
+					struct epm_gpio_buffer_request)
+
+#define EPM_PSOC_GET_GPIO_BUFFER_DATA	_IOWR(EPM_ADC_IOCTL_CODE, 18,	\
+					struct epm_get_gpio_buffer_resp)
+
+#define EPM_PSOC_PAUSE_CONVERSION_REQUEST _IOWR(EPM_ADC_IOCTL_CODE, 19,	\
+								uint32_t)
+
+#define EPM_PSOC_UNPAUSE_CONVERSION_REQUEST _IOWR(EPM_ADC_IOCTL_CODE, 20, \
+								uint32_t)
+
+#define EPM_PSOC_16_BIT_AVERAGED_REQUEST	_IOWR(EPM_ADC_IOCTL_CODE, 21, \
+					struct epm_get_high_res_avg_data)
+
+#define EPM_PSOC_GENERIC_REQUEST		_IOWR(EPM_ADC_IOCTL_CODE, 22, \
+					struct epm_generic_request)
+
+#endif /* _UAPI_EPM_ADC_H */