9  * linux/drivers/usb/otg/ulpi.c
10  * Generic ULPI USB transceiver support
25 #include <usb/ulpi.h>
30 static struct ulpi_regs *ulpi = (struct ulpi_regs *)0;  variable
39 		err = ulpi_write(ulpi_vp, &ulpi->scratch, tval);  in ulpi_integrity_check()
43 		val = ulpi_read(ulpi_vp, &ulpi->scratch);  in ulpi_integrity_check()
45 			printf("ULPI integrity check failed\n");  in ulpi_integrity_check()
56 	u8 *reg = &ulpi->product_id_high;  in ulpi_init()
59 	/* Assemble ID from four ULPI ID registers (8 bits each). */  in ulpi_init()
69 	debug("ULPI transceiver ID 0x%04x:0x%04x\n", id >> 16, id & 0xffff);  in ulpi_init()
87 		printf("ULPI: %s: wrong transceiver speed specified: %u, "  in ulpi_select_transceiver()
91 	val = ulpi_read(ulpi_vp, &ulpi->function_ctrl);  in ulpi_select_transceiver()
98 	return ulpi_write(ulpi_vp, &ulpi->function_ctrl, val);  in ulpi_select_transceiver()
104 	u8 *reg = on ? &ulpi->otg_ctrl_set : &ulpi->otg_ctrl_clear;  in ulpi_set_vbus()
118 	reg = external ? &ulpi->otg_ctrl_set : &ulpi->otg_ctrl_clear;  in ulpi_set_vbus_indicator()
126 	val = ulpi_read(ulpi_vp, &ulpi->iface_ctrl);  in ulpi_set_vbus_indicator()
132 	val = ulpi_write(ulpi_vp, &ulpi->iface_ctrl, val);  in ulpi_set_vbus_indicator()
142 	u8 *reg = enable ? &ulpi->otg_ctrl_set : &ulpi->otg_ctrl_clear;  in ulpi_set_pd()
160 		printf("ULPI: %s: wrong OpMode specified: %u, "  in ulpi_opmode_sel()
164 	val = ulpi_read(ulpi_vp, &ulpi->function_ctrl);  in ulpi_opmode_sel()
171 	return ulpi_write(ulpi_vp, &ulpi->function_ctrl, val);  in ulpi_opmode_sel()
181 		printf("ULPI: %s: unrecognized Serial Mode specified: %u\n",  in ulpi_serial_mode_enable()
186 	return ulpi_write(ulpi_vp, &ulpi->iface_ctrl_set, smode);  in ulpi_serial_mode_enable()
193 	err = ulpi_write(ulpi_vp, &ulpi->function_ctrl_clear,  in ulpi_suspend()
196 		printf("ULPI: %s: failed writing the suspend bit\n", __func__);  in ulpi_suspend()
202  * Wait for ULPI PHY reset to complete.
219 		val = ulpi_read(ulpi_vp, &ulpi->function_ctrl);  in __ulpi_reset_wait()
226 	printf("ULPI: %s: reset timed out\n", __func__);  in __ulpi_reset_wait()
238 			&ulpi->function_ctrl_set, ULPI_FC_RESET);  in ulpi_reset()
240 		printf("ULPI: %s: failed writing reset bit\n", __func__);  in ulpi_reset()