35 static int mxl111sf_set_gpo_state(struct mxl111sf_state *state, u8 pin, u8 val)  in mxl111sf_set_gpo_state()  argument
43 		ret = mxl111sf_read_reg(state, 0x19, &tmp);  in mxl111sf_set_gpo_state()
48 		ret = mxl111sf_write_reg(state, 0x19, tmp);  in mxl111sf_set_gpo_state()
54 		ret = mxl111sf_read_reg(state, 0x30, &tmp);  in mxl111sf_set_gpo_state()
59 		ret = mxl111sf_write_reg(state, 0x30, tmp);  in mxl111sf_set_gpo_state()
68 static int mxl111sf_get_gpi_state(struct mxl111sf_state *state, u8 pin, u8 *val)  in mxl111sf_get_gpi_state()  argument
82 		ret = mxl111sf_read_reg(state, 0x23, &tmp);  in mxl111sf_get_gpi_state()
91 		ret = mxl111sf_read_reg(state, 0x2f, &tmp);  in mxl111sf_get_gpi_state()
99 		ret = mxl111sf_read_reg(state, 0x22, &tmp);  in mxl111sf_get_gpi_state()
117 static int mxl111sf_config_gpio_pins(struct mxl111sf_state *state,  in mxl111sf_config_gpio_pins()  argument
130 		ret = mxl111sf_read_reg(state, MXL_GPIO_MUX_REG_0, &tmp);  in mxl111sf_config_gpio_pins()
135 		ret = mxl111sf_write_reg(state, MXL_GPIO_MUX_REG_0, tmp);  in mxl111sf_config_gpio_pins()
143 		ret = mxl111sf_read_reg(state, MXL_GPIO_MUX_REG_1, &tmp);  in mxl111sf_config_gpio_pins()
148 		ret = mxl111sf_write_reg(state, MXL_GPIO_MUX_REG_1, tmp);  in mxl111sf_config_gpio_pins()
155 		ret = mxl111sf_read_reg(state, MXL_GPIO_MUX_REG_2, &tmp);  in mxl111sf_config_gpio_pins()
160 		ret = mxl111sf_write_reg(state, MXL_GPIO_MUX_REG_2, tmp);  in mxl111sf_config_gpio_pins()
169 		mxl111sf_set_gpo_state(state,  in mxl111sf_config_gpio_pins()
171 		mxl111sf_get_gpi_state(state,  in mxl111sf_config_gpio_pins()
178 static int mxl111sf_hw_do_set_gpio(struct mxl111sf_state *state,  in mxl111sf_hw_do_set_gpio()  argument
189 	return mxl111sf_config_gpio_pins(state, &gpio_config);  in mxl111sf_hw_do_set_gpio()
214 int mxl111sf_config_pin_mux_modes(struct mxl111sf_state *state,  in mxl111sf_config_pin_mux_modes()  argument
222 	ret = mxl111sf_read_reg(state, 0x17, &r17);  in mxl111sf_config_pin_mux_modes()
225 	ret = mxl111sf_read_reg(state, 0x18, &r18);  in mxl111sf_config_pin_mux_modes()
228 	ret = mxl111sf_read_reg(state, 0x12, &r12);  in mxl111sf_config_pin_mux_modes()
231 	ret = mxl111sf_read_reg(state, 0x15, &r15);  in mxl111sf_config_pin_mux_modes()
234 	ret = mxl111sf_read_reg(state, 0x82, &r82);  in mxl111sf_config_pin_mux_modes()
237 	ret = mxl111sf_read_reg(state, 0x84, &r84);  in mxl111sf_config_pin_mux_modes()
240 	ret = mxl111sf_read_reg(state, 0x89, &r89);  in mxl111sf_config_pin_mux_modes()
243 	ret = mxl111sf_read_reg(state, 0x3D, &r3D);  in mxl111sf_config_pin_mux_modes()
531 	ret = mxl111sf_write_reg(state, 0x17, r17);  in mxl111sf_config_pin_mux_modes()
534 	ret = mxl111sf_write_reg(state, 0x18, r18);  in mxl111sf_config_pin_mux_modes()
537 	ret = mxl111sf_write_reg(state, 0x12, r12);  in mxl111sf_config_pin_mux_modes()
540 	ret = mxl111sf_write_reg(state, 0x15, r15);  in mxl111sf_config_pin_mux_modes()
543 	ret = mxl111sf_write_reg(state, 0x82, r82);  in mxl111sf_config_pin_mux_modes()
546 	ret = mxl111sf_write_reg(state, 0x84, r84);  in mxl111sf_config_pin_mux_modes()
549 	ret = mxl111sf_write_reg(state, 0x89, r89);  in mxl111sf_config_pin_mux_modes()
552 	ret = mxl111sf_write_reg(state, 0x3D, r3D);  in mxl111sf_config_pin_mux_modes()
561 static int mxl111sf_hw_set_gpio(struct mxl111sf_state *state, int gpio, int val)  in mxl111sf_hw_set_gpio()  argument
563 	return mxl111sf_hw_do_set_gpio(state, gpio, MXL_GPIO_DIR_OUTPUT, val);  in mxl111sf_hw_set_gpio()
566 static int mxl111sf_hw_gpio_initialize(struct mxl111sf_state *state)  in mxl111sf_hw_gpio_initialize()  argument
574 		ret = mxl111sf_hw_set_gpio(state, i, (gpioval >> i) & 0x01);  in mxl111sf_hw_gpio_initialize()
583 static int pca9534_set_gpio(struct mxl111sf_state *state, int gpio, int val)  in pca9534_set_gpio()  argument
597 	i2c_transfer(&state->d->i2c_adap, msg, 2);  in pca9534_set_gpio()
613 	i2c_transfer(&state->d->i2c_adap, &msg[0], 1);  in pca9534_set_gpio()
618 static int pca9534_init_port_expander(struct mxl111sf_state *state)  in pca9534_init_port_expander()  argument
629 	i2c_transfer(&state->d->i2c_adap, &msg, 1);  in pca9534_init_port_expander()
635 	i2c_transfer(&state->d->i2c_adap, &msg, 1);  in pca9534_init_port_expander()
640 int mxl111sf_set_gpio(struct mxl111sf_state *state, int gpio, int val)  in mxl111sf_set_gpio()  argument
644 	switch (state->gpio_port_expander) {  in mxl111sf_set_gpio()
650 		return pca9534_set_gpio(state, gpio, val);  in mxl111sf_set_gpio()
652 		return mxl111sf_hw_set_gpio(state, gpio, val);  in mxl111sf_set_gpio()
656 static int mxl111sf_probe_port_expander(struct mxl111sf_state *state)  in mxl111sf_probe_port_expander()  argument
672 	ret = i2c_transfer(&state->d->i2c_adap, msg, 2);  in mxl111sf_probe_port_expander()
674 		state->port_expander_addr = msg[0].addr;  in mxl111sf_probe_port_expander()
675 		state->gpio_port_expander = mxl111sf_PCA9534;  in mxl111sf_probe_port_expander()
677 			  state->port_expander_addr);  in mxl111sf_probe_port_expander()
684 	ret = i2c_transfer(&state->d->i2c_adap, msg, 2);  in mxl111sf_probe_port_expander()
686 		state->port_expander_addr = msg[0].addr;  in mxl111sf_probe_port_expander()
687 		state->gpio_port_expander = mxl111sf_PCA9534;  in mxl111sf_probe_port_expander()
689 			  state->port_expander_addr);  in mxl111sf_probe_port_expander()
692 	state->port_expander_addr = 0xff;  in mxl111sf_probe_port_expander()
693 	state->gpio_port_expander = mxl111sf_gpio_hw;  in mxl111sf_probe_port_expander()
698 int mxl111sf_init_port_expander(struct mxl111sf_state *state)  in mxl111sf_init_port_expander()  argument
702 	if (0x00 == state->port_expander_addr)  in mxl111sf_init_port_expander()
703 		mxl111sf_probe_port_expander(state);  in mxl111sf_init_port_expander()
705 	switch (state->gpio_port_expander) {  in mxl111sf_init_port_expander()
711 		return pca9534_init_port_expander(state);  in mxl111sf_init_port_expander()
713 		return mxl111sf_hw_gpio_initialize(state);  in mxl111sf_init_port_expander()
719 int mxl111sf_gpio_mode_switch(struct mxl111sf_state *state, unsigned int mode)  in mxl111sf_gpio_mode_switch()  argument
732 		mxl111sf_set_gpio(state, 4, 0);  in mxl111sf_gpio_mode_switch()
733 		mxl111sf_set_gpio(state, 5, 0);  in mxl111sf_gpio_mode_switch()
735 		mxl111sf_set_gpio(state, 7, 1);  in mxl111sf_gpio_mode_switch()
737 		mxl111sf_set_gpio(state, 6, 1);  in mxl111sf_gpio_mode_switch()
740 		mxl111sf_set_gpio(state, 3, 0);  in mxl111sf_gpio_mode_switch()
743 		mxl111sf_set_gpio(state, 6, 0);  in mxl111sf_gpio_mode_switch()
744 		mxl111sf_set_gpio(state, 7, 0);  in mxl111sf_gpio_mode_switch()
746 		mxl111sf_set_gpio(state, 5, 1);  in mxl111sf_gpio_mode_switch()
748 		mxl111sf_set_gpio(state, 4, 1);  in mxl111sf_gpio_mode_switch()
750 		mxl111sf_set_gpio(state, 3, 1);  in mxl111sf_gpio_mode_switch()
753 		mxl111sf_init_port_expander(state);  in mxl111sf_gpio_mode_switch()