46 static int tca642x_reg_write(uchar chip, uint8_t addr,  in tca642x_reg_write()  argument
56 	if (i2c_read(chip, addr, 1, (uint8_t *)&valw, 1)) {  in tca642x_reg_write()
64 	ret = i2c_write(chip, addr, 1, (u8 *)&valw, 1);  in tca642x_reg_write()
71 static int tca642x_reg_read(uchar chip, uint8_t addr, uint8_t *data)  in tca642x_reg_read()  argument
79 	if (i2c_read(chip, addr, 1, (u8 *)&valw, 1)) {  in tca642x_reg_read()
95 int tca642x_set_val(uchar chip, uint8_t gpio_bank,  in tca642x_set_val()  argument
100 	return tca642x_reg_write(chip, out_reg, reg_bit, data);  in tca642x_set_val()
107 int tca642x_set_pol(uchar chip, uint8_t gpio_bank,  in tca642x_set_pol()  argument
112 	return tca642x_reg_write(chip, pol_reg, reg_bit, data);  in tca642x_set_pol()
119 int tca642x_set_dir(uchar chip, uint8_t gpio_bank,  in tca642x_set_dir()  argument
124 	return tca642x_reg_write(chip, config_reg, reg_bit, data);  in tca642x_set_dir()
130 int tca642x_get_val(uchar chip, uint8_t gpio_bank)  in tca642x_get_val()  argument
135 	if (tca642x_reg_read(chip, in_reg, &val) < 0)  in tca642x_get_val()
144 int tca642x_set_inital_state(uchar chip, struct tca642x_bank_info init_data[])  in tca642x_set_inital_state()  argument
153 		ret = tca642x_reg_write(chip, config_reg, 0xff,  in tca642x_set_inital_state()
156 		ret = tca642x_reg_write(chip, polarity_reg, 0xff,  in tca642x_set_inital_state()
159 		ret = tca642x_reg_write(chip, output_reg, 0xff,  in tca642x_set_inital_state()
170 static int tca642x_info(uchar chip)  in tca642x_info()  argument
175 	printf("tca642x@ 0x%x (%d pins):\n", chip, 24);  in tca642x_info()
178 		if (tca642x_reg_read(chip,  in tca642x_info()
187 		if (tca642x_reg_read(chip,  in tca642x_info()
195 		if (tca642x_reg_read(chip,  in tca642x_info()
203 		if (tca642x_reg_read(chip,  in tca642x_info()
225 	static uchar chip = CONFIG_SYS_I2C_TCA642X_ADDR;  in do_tca642x()  local
243 	/* arg2 used as chip number or pin number */  in do_tca642x()
265 		ret = tca642x_info(chip);  in do_tca642x()
272 			chip = (uint8_t)ul_arg2;  in do_tca642x()
273 		printf("Current device address: 0x%x\n", chip);  in do_tca642x()
279 		ret = tca642x_set_dir(chip, gpio_bank, (1 << bank_shift),  in do_tca642x()
281 		val = (tca642x_get_val(chip, gpio_bank) &  in do_tca642x()
287 			printf("chip 0x%02x, pin 0x%lx = %d\n", chip,  in do_tca642x()
293 		ret = tca642x_set_dir(chip, gpio_bank, (1 << bank_shift),  in do_tca642x()
296 			ret = tca642x_set_val(chip,  in do_tca642x()
305 		ret = tca642x_set_pol(chip, gpio_bank, (1 << bank_shift),  in do_tca642x()
313 		eprintf("Error talking to chip at 0x%x\n", chip);  in do_tca642x()
324 	"	- display info for current chip\n"