armv7/exynos/crosec.c

64 	struct cros_ec_softc *sc = (struct cros_ec_softc *)self;
67 	sc->sc_tag = ia->ia_tag;
68 	sc->sc_addr = ia->ia_addr;
72 	if (cros_ec_check_version(sc)) {
77 	if (cros_ec_init_keyboard(sc)) {
84 cros_ec_check_version(struct cros_ec_softc *sc)
89 	sc->cmd_version_is_supported = 1;
90 	if (cros_ec_command_inptr(sc, EC_CMD_HELLO, 0, &req, sizeof(req),
93 		sc->cmd_version_is_supported = 1;
103 cros_ec_i2c_command(struct cros_ec_softc *sc, uint8_t cmd, int cmd_version,
107 	uint8_t *ptr = sc->out;
108 	uint8_t *inptr = sc->in;
111 	if (!sc->cmd_version_is_supported) {
129 	if (sc->cmd_version_is_supported)
131 			 cros_ec_calc_checksum(sc->out, out_len + 3);
133 	iic_acquire_bus(sc->sc_tag, 0);
134 	ret = iic_exec(sc->sc_tag, I2C_OP_WRITE_WITH_STOP,
135 	    sc->sc_addr, NULL, 0, &sc->out, out_bytes, 0);
138 		iic_release_bus(sc->sc_tag, 0);
142 	ret = iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
143 	    sc->sc_addr, NULL, 0, inptr, in_bytes, 0);
146 		iic_release_bus(sc->sc_tag, 0);
150 	iic_release_bus(sc->sc_tag, 0);
157 	if (sc->cmd_version_is_supported) {
161 		if (len > sizeof(sc->in)) {
173 	*in = sc->in + sizeof(uint64_t);
179 cros_ec_send_command(struct cros_ec_softc *sc, uint8_t cmd, int cmd_version,
182 	return cros_ec_i2c_command(sc, cmd, cmd_version,
187 cros_ec_command(struct cros_ec_softc *sc, uint8_t cmd,
193 	len = cros_ec_command_inptr(sc, cmd, cmd_version, out, out_len,
206 cros_ec_command_inptr(struct cros_ec_softc *sc, uint8_t cmd,
212 	len = cros_ec_send_command(sc, cmd, cmd_version,
223 			ret = cros_ec_send_command(sc, EC_CMD_GET_COMMS_STATUS, 0,
234 		len = cros_ec_send_command(sc, EC_CMD_RESEND_RESPONSE, 0,
255 cros_ec_scan_keyboard(struct cros_ec_softc *sc, uint8_t *scan, int len)
257 	if (cros_ec_command(sc, EC_CMD_CROS_EC_STATE, 0, NULL, 0, scan,
265 cros_ec_info(struct cros_ec_softc *sc, struct ec_response_cros_ec_info *info)
267 	if (cros_ec_command(sc, EC_CMD_CROS_EC_INFO, 0, NULL, 0, info,