static int send_command_proto3(struct cros_ec_dev *dev,
int cmd, int cmd_version,
const void *dout, int dout_len,
uint8_t **dinp, int din_len)
{
struct dm_cros_ec_ops *ops;
int out_bytes, in_bytes;
int rv;
/* Create request packet */
out_bytes = create_proto3_request(dev, cmd, cmd_version,
dout, dout_len);
if (out_bytes < 0)
return out_bytes;
/* Prepare response buffer */
in_bytes = prepare_proto3_response_buffer(dev, din_len);
if (in_bytes < 0)
return in_bytes;
ops = dm_cros_ec_get_ops(dev->dev);
rv = ops->packet ? ops->packet(dev->dev, out_bytes, in_bytes) : -ENOSYS;
if (rv < 0)
return rv;
/* Process the response */
return handle_proto3_response(dev, dinp, din_len);
}
static int send_command_proto3(struct chromeec_command *cec_command,
crosec_io_t crosec_io, void *context)
{
int out_bytes, in_bytes;
int rv;
struct ec_command_v3 *cmd;
struct ec_response_v3 *resp;
if ((cmd = crosec_get_buffer(sizeof(*cmd), 1)) == NULL)
return -EC_RES_ERROR;
if ((resp = crosec_get_buffer(sizeof(*resp), 0)) == NULL)
return -EC_RES_ERROR;
/* Create request packet */
out_bytes = create_proto3_request(cec_command, cmd);
if (out_bytes < 0) {
return out_bytes;
}
/* Prepare response buffer */
in_bytes = prepare_proto3_response_buffer(cec_command, resp);
if (in_bytes < 0) {
return in_bytes;
}
rv = crosec_io(out_bytes, in_bytes, context);
if (rv != 0) {
printk(BIOS_ERR, "%s: failed to complete I/O: Err = %#x.\n",
__func__, rv >= 0 ? rv : -rv);
return -EC_RES_ERROR;
}
/* Process the response */
return handle_proto3_response(resp, cec_command);
}
static int send_command_proto3(struct cros_ec_dev *dev,
int cmd, int cmd_version,
const void *dout, int dout_len,
uint8_t **dinp, int din_len)
{
int out_bytes, in_bytes;
int rv;
/* Create request packet */
out_bytes = create_proto3_request(dev, cmd, cmd_version,
dout, dout_len);
if (out_bytes < 0)
return out_bytes;
/* Prepare response buffer */
in_bytes = prepare_proto3_response_buffer(dev, din_len);
if (in_bytes < 0)
return in_bytes;
switch (dev->interface) {
#ifdef CONFIG_CROS_EC_SPI
case CROS_EC_IF_SPI:
rv = cros_ec_spi_packet(dev, out_bytes, in_bytes);
break;
#endif
#ifdef CONFIG_CROS_EC_SANDBOX
case CROS_EC_IF_SANDBOX:
rv = cros_ec_sandbox_packet(dev, out_bytes, in_bytes);
break;
#endif
case CROS_EC_IF_NONE:
/* TODO: support protocol 3 for LPC, I2C; for now fall through */
default:
debug("%s: Unsupported interface\n", __func__);
rv = -1;
}
if (rv < 0)
return rv;
/* Process the response */
return handle_proto3_response(dev, dinp, din_len);
}
