drivers/sensorhub/ssp_platform.c

#include <linux/kernel.h>
#include <linux/rtc.h>
#include "ssp.h"
#include "ssp_dev.h"
#include "ssp_comm.h"
#include "ssp_dump.h"
#include "ssp_firmware.h"
#include "../staging/nanohub/chub.h"
#include "../staging/nanohub/chub_dbg.h"

int sensorhub_comms_read(void *ssp_data, u8 *buf, int length, int timeout)
{
	struct contexthub_ipc_info *ipc = ((struct ssp_data *)ssp_data)->platform_data;
	return contexthub_ipc_read(ipc, buf, length, timeout);
}

int sensorhub_comms_write(void *ssp_data, u8 *buf, int length, int timeout)
{
	struct contexthub_ipc_info *ipc = ((struct ssp_data *)ssp_data)->platform_data;
	int ret = contexthub_ipc_write(ipc, buf, length, timeout);
	if (!ret) {
		ret = ERROR;
		pr_err("%s : write fail\n", __func__);
	}
	return ret;
}

int sensorhub_reset(void *ssp_data)
{
	struct ssp_data *data = ssp_data;
	struct contexthub_ipc_info *ipc = ((struct ssp_data *)ssp_data)->platform_data;
	int dump = (data->reset_type < RESET_TYPE_MAX) ? CHUB_ERR_MAX + data->reset_type : 0;
	ssp_infof("err type %d, dump %d", data->reset_type, dump);
	return contexthub_reset(ipc, 1, (1 << dump));
}

int sensorhub_firmware_download(void *ssp_data)
{
	struct contexthub_ipc_info *ipc = ((struct ssp_data *)ssp_data)->platform_data;
	return contexthub_reset(ipc, 1, 0);
}

int sensorhub_shutdown(void *ssp_data)
{
	struct contexthub_ipc_info *ipc = ((struct ssp_data *)ssp_data)->platform_data;
	int ret;
	ret = contexthub_ipc_write_event(ipc, MAILBOX_EVT_SHUTDOWN);
	if (ret)
		ssp_errf("shutdonw fails, ret:%d\n", ret);

	return ret;
}

void *ssp_device_probe(struct device *dev)
{
	return ssp_probe(dev);
}

void ssp_device_remove(void *ssp_data)
{
	struct ssp_data *data = ssp_data;
	ssp_remove(data);
}

void ssp_device_suspend(void *ssp_data)
{
	struct ssp_data *data = ssp_data;
	ssp_suspend(data);
}

void ssp_device_resume(void *ssp_data)
{
	struct ssp_data *data = ssp_data;
	ssp_resume(data);
}

void ssp_platform_init(void *ssp_data, void *platform_data)
{
	struct ssp_data *data = ssp_data;

	data->platform_data = platform_data;
}

void ssp_handle_recv_packet(void *ssp_data, char *packet, int packet_len)
{
	struct ssp_data *data = ssp_data;
	handle_packet(data, packet, packet_len);
}

void ssp_platform_start_refrsh_task(void *ssp_data)
{
	struct ssp_data *data = ssp_data;
	queue_refresh_task(data, 0);
}

void save_ram_dump(void *ssp_data)
{
	struct ssp_data *data = ssp_data;
	struct contexthub_ipc_info *ipc = ((struct ssp_data *)ssp_data)->platform_data;

	if (contexthub_get_token(ipc)) {
		ssp_infof("get token, skip save dump");
		return;
	}

	ssp_infof("");
	write_ssp_dump_file(data, (char *)ipc_get_base(IPC_REG_DUMP), ipc_get_chub_mem_size(), 0, 1);
	contexthub_put_token(ipc);
}

int get_sensorhub_dump_size(void)
{
	return ipc_get_chub_mem_size();
}

void *get_sensorhub_dump_address(void)
{
	return ipc_get_base(IPC_REG_DUMP);
}

void ssp_dump_write_file(void *ssp_data, void *dump_data, int dump_size, int err_type)
{
	struct ssp_data *data = ssp_data;
	int i = 0;
	int dump_type;

	if (err_type == 0) {
		if (data->reset_type < RESET_TYPE_MAX)
			dump_type = DUMP_TYPE_BASE + data->reset_type;
		else
			dump_type = 0;
	} else {
		for (i = 0 ; i < CHUB_ERR_MAX ; i++) {
			if (err_type & 1 << i) {
				dump_type = i;
				break;
			}
		}
	}

	if (i != CHUB_ERR_MAX)
		write_ssp_dump_file(data, (char *)dump_data, dump_size, dump_type, 1);
}

bool is_sensorhub_working(void *ssp_data)
{
	struct ssp_data *data = (struct ssp_data *)ssp_data;
	struct contexthub_ipc_info *ipc = ((struct ssp_data *)ssp_data)->platform_data;
	if (!work_busy(&data->work_reset) && atomic_read(&ipc->chub_status) == CHUB_ST_RUN && atomic_read(&ipc->in_reset) == 0)
		return true;
	else
		return false;
}

int ssp_download_firmware(void *ssp_data, struct device *dev, void *addr)
{
	struct ssp_data *data = ssp_data;
	return download_sensorhub_firmware(data, dev, addr);
}

void ssp_set_firmware_name(void *ssp_data, const char *fw_name)
{
	struct ssp_data *data = ssp_data;
	strcpy(data->fw_name, fw_name);
}