// SPDX-License-Identifier: GPL-2.0
/*
* Driver for the NXP ISP1760 chip
*
* Copyright 2022 Linaro, Rui Miguel Silva <rui.silva@linaro.org>
*
* This is based on linux kernel driver, original developed:
* Copyright 2014 Laurent Pinchart
* Copyright 2007 Sebastian Siewior
*
*/
#include <dm.h>
#include <dm/device-internal.h>
#include <dm/device_compat.h>
#include <dm/devres.h>
#include <linux/compat.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <regmap.h>
#include <usb.h>
#include "isp1760-core.h"
#include "isp1760-hcd.h"
#include "isp1760-regs.h"
#define msleep(a) udelay((a) * 1000)
static int isp1760_init_core(struct isp1760_device *isp)
{
struct isp1760_hcd *hcd = &isp->hcd;
/*
* Reset the host controller, including the CPU interface
* configuration.
*/
isp1760_field_set(hcd->fields, SW_RESET_RESET_ALL);
msleep(100);
/* Setup HW Mode Control: This assumes a level active-low interrupt */
if ((isp->devflags & ISP1760_FLAG_ANALOG_OC) && hcd->is_isp1763)
return -EINVAL;
if (isp->devflags & ISP1760_FLAG_BUS_WIDTH_16)
isp1760_field_clear(hcd->fields, HW_DATA_BUS_WIDTH);
if (isp->devflags & ISP1760_FLAG_BUS_WIDTH_8)
isp1760_field_set(hcd->fields, HW_DATA_BUS_WIDTH);
if (isp->devflags & ISP1760_FLAG_ANALOG_OC)
isp1760_field_set(hcd->fields, HW_ANA_DIGI_OC);
if (isp->devflags & ISP1760_FLAG_DACK_POL_HIGH)
isp1760_field_set(hcd->fields, HW_DACK_POL_HIGH);
if (isp->devflags & ISP1760_FLAG_DREQ_POL_HIGH)
isp1760_field_set(hcd->fields, HW_DREQ_POL_HIGH);
if (isp->devflags & ISP1760_FLAG_INTR_POL_HIGH)
isp1760_field_set(hcd->fields, HW_INTR_HIGH_ACT);
if (isp->devflags & ISP1760_FLAG_INTR_EDGE_TRIG)
isp1760_field_set(hcd->fields, HW_INTR_EDGE_TRIG);
/*
* The ISP1761 has a dedicated DC IRQ line but supports sharing the HC
* IRQ line for both the host and device controllers. Hardcode IRQ
* sharing for now and disable the DC interrupts globally to avoid
* spurious interrupts during HCD registration.
*/
if (isp->devflags & ISP1760_FLAG_ISP1761) {
isp1760_reg_write(hcd->regs, ISP176x_DC_MODE, 0);
isp1760_field_set(hcd->fields, HW_COMN_IRQ);
}
/*
* PORT 1 Control register of the ISP1760 is the OTG control register
* on ISP1761.
*
* TODO: Really support OTG. For now we configure port 1 in device mode
*/
if (((isp->devflags & ISP1760_FLAG_ISP1761) ||
(isp->devflags & ISP1760_FLAG_ISP1763)) &&
(isp->devflags & ISP1760_FLAG_PERIPHERAL_EN)) {
isp1760_field_set(hcd->fields, HW_DM_PULLDOWN);
isp1760_field_set(hcd->fields, HW_DP_PULLDOWN);
isp1760_field_set(hcd->fields, HW_OTG_DISABLE);
} else {
isp1760_field_set(hcd->fields, HW_SW_SEL_HC_DC);
isp1760_field_set(hcd->fields, HW_VBUS_DRV);
isp1760_field_set(hcd->fields, HW_SEL_CP_EXT);
}
printf("%s bus width: %u, oc: %s\n",
hcd->is_isp1763 ? "isp1763" : "isp1760",
isp->devflags & ISP1760_FLAG_BUS_WIDTH_8 ? 8 :
isp->devflags & ISP1760_FLAG_BUS_WIDTH_16 ? 16 : 32,
hcd->is_isp1763 ? "not available" :
isp->devflags & ISP1760_FLAG_ANALOG_OC ? "analog" : "digital");
return 0;
}
void isp1760_set_pullup(struct isp1760_device *isp, bool enable)
{
struct isp1760_hcd *hcd = &isp->hcd;
if (enable)
isp1760_field_set(hcd->fields, HW_DP_PULLUP);
else
isp1760_field_set(hcd->fields, HW_DP_PULLUP_CLEAR);
}
/*
* ISP1760/61:
*
* 60kb divided in:
* - 32 blocks @ 256 bytes
* - 20 blocks @ 1024 bytes
* - 4 blocks @ 8192 bytes
*/
static const struct isp1760_memory_layout isp176x_memory_conf = {
.blocks[0] = 32,
.blocks_size[0] = 256,
.blocks[1] = 20,
.blocks_size[1] = 1024,
.blocks[2] = 4,
.blocks_size[2] = 8192,
.slot_num = 32,
.payload_blocks = 32 + 20 + 4,
.payload_area_size = 0xf000,
};
/*
* ISP1763:
*
* 20kb divided in:
* - 8 blocks @ 256 bytes
* - 2 blocks @ 1024 bytes
* - 4 blocks @ 4096 bytes
*/
static const struct isp1760_memory_layout isp1763_memory_conf = {
.blocks[0] = 8,
.blocks_size[0] = 256,
.blocks[1] = 2,
.blocks_size[1] = 1024,
.blocks[2] = 4,
.blocks_size[2] = 4096,
.slot_num = 16,
.payload_blocks = 8 + 2 + 4,
.payload_area_size = 0x5000,
};
static const struct regmap_config isp1760_hc_regmap_conf = {
.width = REGMAP_SIZE_16,
};
static const struct reg_field isp1760_hc_reg_fields[] = {
[HCS_PPC] = REG_FIELD(ISP176x_HC_HCSPARAMS, 4, 4),
[HCS_N_PORTS] = REG_FIELD(ISP176x_HC_HCSPARAMS, 0, 3),
[HCC_ISOC_CACHE] = REG_FIELD(ISP176x_HC_HCCPARAMS, 7, 7),
[HCC_ISOC_THRES] = REG_FIELD(ISP176x_HC_HCCPARAMS, 4, 6),
[CMD_LRESET] = REG_FIELD(ISP176x_HC_USBCMD, 7, 7),
[CMD_RESET] = REG_FIELD(ISP176x_HC_USBCMD, 1, 1),
[CMD_RUN] = REG_FIELD(ISP176x_HC_USBCMD, 0, 0),
[STS_PCD] = REG_FIELD(ISP176x_HC_USBSTS, 2, 2),
[HC_FRINDEX] = REG_FIELD(ISP176x_HC_FRINDEX, 0, 13),
[FLAG_CF] = REG_FIELD(ISP176x_HC_CONFIGFLAG, 0, 0),
[HC_ISO_PTD_DONEMAP] = REG_FIELD(ISP176x_HC_ISO_PTD_DONEMAP, 0, 31),
[HC_ISO_PTD_SKIPMAP] = REG_FIELD(ISP176x_HC_ISO_PTD_SKIPMAP, 0, 31),
[HC_ISO_PTD_LASTPTD] = REG_FIELD(ISP176x_HC_ISO_PTD_LASTPTD, 0, 31),
[HC_INT_PTD_DONEMAP] = REG_FIELD(ISP176x_HC_INT_PTD_DONEMAP, 0, 31),
[HC_INT_PTD_SKIPMAP] = REG_FIELD(ISP176x_HC_INT_PTD_SKIPMAP, 0, 31),
[HC_INT_PTD_LASTPTD] = REG_FIELD(ISP176x_HC_INT_PTD_LASTPTD, 0, 31),
[HC_ATL_PTD_DONEMAP] = REG_FIELD(ISP176x_HC_ATL_PTD_DONEMAP, 0, 31),
[HC_ATL_PTD_SKIPMAP] = REG_FIELD(ISP176x_HC_ATL_PTD_SKIPMAP, 0, 31),
[HC_ATL_PTD_LASTPTD] = REG_FIELD(ISP176x_HC_ATL_PTD_LASTPTD, 0, 31),
[PORT_OWNER] = REG_FIELD(ISP176x_HC_PORTSC1, 13, 13),
[PORT_POWER] = REG_FIELD(ISP176x_HC_PORTSC1, 12, 12),
[PORT_LSTATUS] = REG_FIELD(ISP176x_HC_PORTSC1, 10, 11),
[PORT_RESET] = REG_FIELD(ISP176x_HC_PORTSC1, 8, 8),
[PORT_SUSPEND] = REG_FIELD(ISP176x_HC_PORTSC1, 7, 7),
[PORT_RESUME] = REG_FIELD(ISP176x_HC_PORTSC1, 6, 6),
[PORT_PE] = REG_FIELD(ISP176x_HC_PORTSC1, 2, 2),
[PORT_CSC] = REG_FIELD(ISP176x_HC_PORTSC1, 1, 1),
[PORT_CONNECT] = REG_FIELD(ISP176x_HC_PORTSC1, 0, 0),
[ALL_ATX_RESET] = REG_FIELD(ISP176x_HC_HW_MODE_CTRL, 31, 31),
[HW_ANA_DIGI_OC] = REG_FIELD(ISP176x_HC_HW_MODE_CTRL, 15, 15),
[HW_COMN_IRQ] = REG_FIELD(ISP176x_HC_HW_MODE_CTRL, 10, 10),
[HW_DATA_BUS_WIDTH] = REG_FIELD(ISP176x_HC_HW_MODE_CTRL, 8, 8),
[HW_DACK_POL_HIGH] = REG_FIELD(ISP176x_HC_HW_MODE_CTRL, 6, 6),
[HW_DREQ_POL_HIGH] = REG_FIELD(ISP176x_HC_HW_MODE_CTRL, 5, 5),
[HW_INTR_HIGH_ACT] = REG_FIELD(ISP176x_HC_HW_MODE_CTRL, 2, 2),
[HW_INTR_EDGE_TRIG] = REG_FIELD(ISP176x_HC_HW_MODE_CTRL, 1, 1),
[HW_GLOBAL_INTR_EN] = REG_FIELD(ISP176x_HC_HW_MODE_CTRL, 0, 0),
[HC_CHIP_REV] = REG_FIELD(ISP176x_HC_CHIP_ID, 16, 31),
[HC_CHIP_ID_HIGH] = REG_FIELD(ISP176x_HC_CHIP_ID, 8, 15),
[HC_CHIP_ID_LOW] = REG_FIELD(ISP176x_HC_CHIP_ID, 0, 7),
[HC_SCRATCH] = REG_FIELD(ISP176x_HC_SCRATCH, 0, 31),
[SW_RESET_RESET_ALL] = REG_FIELD(ISP176x_HC_RESET, 0, 0),
[ISO_BUF_FILL] = REG_FIELD(ISP176x_HC_BUFFER_STATUS, 2, 2),
[INT_BUF_FILL] = REG_FIELD(ISP176x_HC_BUFFER_STATUS, 1, 1),
[ATL_BUF_FILL] = REG_FIELD(ISP176x_HC_BUFFER_STATUS, 0, 0),
[MEM_BANK_SEL] = REG_FIELD(ISP176x_HC_MEMORY, 16, 17),
[MEM_START_ADDR] = REG_FIELD(ISP176x_HC_MEMORY, 0, 15),
[HC_INTERRUPT] = REG_FIELD(ISP176x_HC_INTERRUPT, 0, 9),
[HC_ATL_IRQ_ENABLE] = REG_FIELD(ISP176x_HC_INTERRUPT_ENABLE, 8, 8),
[HC_INT_IRQ_ENABLE] = REG_FIELD(ISP176x_HC_INTERRUPT_ENABLE, 7, 7),
[HC_ISO_IRQ_MASK_OR] = REG_FIELD(ISP176x_HC_ISO_IRQ_MASK_OR, 0, 31),
[HC_INT_IRQ_MASK_OR] = REG_FIELD(ISP176x_HC_INT_IRQ_MASK_OR, 0, 31),
[HC_ATL_IRQ_MASK_OR] = REG_FIELD(ISP176x_HC_ATL_IRQ_MASK_OR, 0, 31),
[HC_ISO_IRQ_MASK_AND] = REG_FIELD(ISP176x_HC_ISO_IRQ_MASK_AND, 0, 31),
[HC_INT_IRQ_MASK_AND] = REG_FIELD(ISP176x_HC_INT_IRQ_MASK_AND, 0, 31),
[HC_ATL_IRQ_MASK_AND] = REG_FIELD(ISP176x_HC_ATL_IRQ_MASK_AND, 0, 31),
[HW_OTG_DISABLE] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 10, 10),
[HW_SW_SEL_HC_DC] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 7, 7),
[HW_VBUS_DRV] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 4, 4),
[HW_SEL_CP_EXT] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 3, 3),
[HW_DM_PULLDOWN] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 2, 2),
[HW_DP_PULLDOWN] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 1, 1),
[HW_DP_PULLUP] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 0, 0),
[HW_OTG_DISABLE_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 10, 10),
[HW_SW_SEL_HC_DC_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 7, 7),
[HW_VBUS_DRV_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 4, 4),
[HW_SEL_CP_EXT_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 3, 3),
[HW_DM_PULLDOWN_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 2, 2),
[HW_DP_PULLDOWN_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 1, 1),
[HW_DP_PULLUP_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 0, 0),
/* Make sure the array is sized properly during compilation */
[HC_FIELD_MAX] = {},
};
static const struct regmap_config isp1763_hc_regmap_conf = {
.width = REGMAP_SIZE_16,
};
static const struct reg_field isp1763_hc_reg_fields[] = {
[CMD_LRESET] = REG_FIELD(ISP1763_HC_USBCMD, 7, 7),
[CMD_RESET] = REG_FIELD(ISP1763_HC_USBCMD, 1, 1),
[CMD_RUN] = REG_FIELD(ISP1763_HC_USBCMD, 0, 0),
[STS_PCD] = REG_FIELD(ISP1763_HC_USBSTS, 2, 2),
[HC_FRINDEX] = REG_FIELD(ISP1763_HC_FRINDEX, 0, 13),
[FLAG_CF] = REG_FIELD(ISP1763_HC_CONFIGFLAG, 0, 0),
[HC_ISO_PTD_DONEMAP] = REG_FIELD(ISP1763_HC_ISO_PTD_DONEMAP, 0, 15),
[HC_ISO_PTD_SKIPMAP] = REG_FIELD(ISP1763_HC_ISO_PTD_SKIPMAP, 0, 15),
[HC_ISO_PTD_LASTPTD] = REG_FIELD(ISP1763_HC_ISO_PTD_LASTPTD, 0, 15),
[HC_INT_PTD_DONEMAP] = REG_FIELD(ISP1763_HC_INT_PTD_DONEMAP, 0, 15),
[HC_INT_PTD_SKIPMAP] = REG_FIELD(ISP1763_HC_INT_PTD_SKIPMAP, 0, 15),
[HC_INT_PTD_LASTPTD] = REG_FIELD(ISP1763_HC_INT_PTD_LASTPTD, 0, 15),
[HC_ATL_PTD_DONEMAP] = REG_FIELD(ISP1763_HC_ATL_PTD_DONEMAP, 0, 15),
[HC_ATL_PTD_SKIPMAP] = REG_FIELD(ISP1763_HC_ATL_PTD_SKIPMAP, 0, 15),
[HC_ATL_PTD_LASTPTD] = REG_FIELD(ISP1763_HC_ATL_PTD_LASTPTD, 0, 15),
[PORT_OWNER] = REG_FIELD(ISP1763_HC_PORTSC1, 13, 13),
[PORT_POWER] = REG_FIELD(ISP1763_HC_PORTSC1, 12, 12),
[PORT_LSTATUS] = REG_FIELD(ISP1763_HC_PORTSC1, 10, 11),
[PORT_RESET] = REG_FIELD(ISP1763_HC_PORTSC1, 8, 8),
[PORT_SUSPEND] = REG_FIELD(ISP1763_HC_PORTSC1, 7, 7),
[PORT_RESUME] = REG_FIELD(ISP1763_HC_PORTSC1, 6, 6),
[PORT_PE] = REG_FIELD(ISP1763_HC_PORTSC1, 2, 2),
[PORT_CSC] = REG_FIELD(ISP1763_HC_PORTSC1, 1, 1),
[PORT_CONNECT] = REG_FIELD(ISP1763_HC_PORTSC1, 0, 0),
[HW_DATA_BUS_WIDTH] = REG_FIELD(ISP1763_HC_HW_MODE_CTRL, 4, 4),
[HW_DACK_POL_HIGH] = REG_FIELD(ISP1763_HC_HW_MODE_CTRL, 6, 6),
[HW_DREQ_POL_HIGH] = REG_FIELD(ISP1763_HC_HW_MODE_CTRL, 5, 5),
[HW_INTF_LOCK] = REG_FIELD(ISP1763_HC_HW_MODE_CTRL, 3, 3),
[HW_INTR_HIGH_ACT] = REG_FIELD(ISP1763_HC_HW_MODE_CTRL, 2, 2),
[HW_INTR_EDGE_TRIG] = REG_FIELD(ISP1763_HC_HW_MODE_CTRL, 1, 1),
[HW_GLOBAL_INTR_EN] = REG_FIELD(ISP1763_HC_HW_MODE_CTRL, 0, 0),
[SW_RESET_RESET_ATX] = REG_FIELD(ISP1763_HC_RESET, 3, 3),
[SW_RESET_RESET_ALL] = REG_FIELD(ISP1763_HC_RESET, 0, 0),
[HC_CHIP_ID_HIGH] = REG_FIELD(ISP1763_HC_CHIP_ID, 0, 15),
[HC_CHIP_ID_LOW] = REG_FIELD(ISP1763_HC_CHIP_REV, 8, 15),
[HC_CHIP_REV] = REG_FIELD(ISP1763_HC_CHIP_REV, 0, 7),
[HC_SCRATCH] = REG_FIELD(ISP1763_HC_SCRATCH, 0, 15),
[ISO_BUF_FILL] = REG_FIELD(ISP1763_HC_BUFFER_STATUS, 2, 2),
[INT_BUF_FILL] = REG_FIELD(ISP1763_HC_BUFFER_STATUS, 1, 1),
[ATL_BUF_FILL] = REG_FIELD(ISP1763_HC_BUFFER_STATUS, 0, 0),
[MEM_START_ADDR] = REG_FIELD(ISP1763_HC_MEMORY, 0, 15),
[HC_DATA] = REG_FIELD(ISP1763_HC_DATA, 0, 15),
[HC_INTERRUPT] = REG_FIELD(ISP1763_HC_INTERRUPT, 0, 10),
[HC_ATL_IRQ_ENABLE] = REG_FIELD(ISP1763_HC_INTERRUPT_ENABLE, 8, 8),
[HC_INT_IRQ_ENABLE] = REG_FIELD(ISP1763_HC_INTERRUPT_ENABLE, 7, 7),
[HC_ISO_IRQ_MASK_OR] = REG_FIELD(ISP1763_HC_ISO_IRQ_MASK_OR, 0, 15),
[HC_INT_IRQ_MASK_OR] = REG_FIELD(ISP1763_HC_INT_IRQ_MASK_OR, 0, 15),
[HC_ATL_IRQ_MASK_OR] = REG_FIELD(ISP1763_HC_ATL_IRQ_MASK_OR, 0, 15),
[HC_ISO_IRQ_MASK_AND] = REG_FIELD(ISP1763_HC_ISO_IRQ_MASK_AND, 0, 15),
[HC_INT_IRQ_MASK_AND] = REG_FIELD(ISP1763_HC_INT_IRQ_MASK_AND, 0, 15),
[HC_ATL_IRQ_MASK_AND] = REG_FIELD(ISP1763_HC_ATL_IRQ_MASK_AND, 0, 15),
[HW_HC_2_DIS] = REG_FIELD(ISP1763_HC_OTG_CTRL_SET, 15, 15),
[HW_OTG_DISABLE] = REG_FIELD(ISP1763_HC_OTG_CTRL_SET, 10, 10),
[HW_SW_SEL_HC_DC] = REG_FIELD(ISP1763_HC_OTG_CTRL_SET, 7, 7),
[HW_VBUS_DRV] = REG_FIELD(ISP1763_HC_OTG_CTRL_SET, 4, 4),
[HW_SEL_CP_EXT] = REG_FIELD(ISP1763_HC_OTG_CTRL_SET, 3, 3),
[HW_DM_PULLDOWN] = REG_FIELD(ISP1763_HC_OTG_CTRL_SET, 2, 2),
[HW_DP_PULLDOWN] = REG_FIELD(ISP1763_HC_OTG_CTRL_SET, 1, 1),
[HW_DP_PULLUP] = REG_FIELD(ISP1763_HC_OTG_CTRL_SET, 0, 0),
[HW_HC_2_DIS_CLEAR] = REG_FIELD(ISP1763_HC_OTG_CTRL_CLEAR, 15, 15),
[HW_OTG_DISABLE_CLEAR] = REG_FIELD(ISP1763_HC_OTG_CTRL_CLEAR, 10, 10),
[HW_SW_SEL_HC_DC_CLEAR] = REG_FIELD(ISP1763_HC_OTG_CTRL_CLEAR, 7, 7),
[HW_VBUS_DRV_CLEAR] = REG_FIELD(ISP1763_HC_OTG_CTRL_CLEAR, 4, 4),
[HW_SEL_CP_EXT_CLEAR] = REG_FIELD(ISP1763_HC_OTG_CTRL_CLEAR, 3, 3),
[HW_DM_PULLDOWN_CLEAR] = REG_FIELD(ISP1763_HC_OTG_CTRL_CLEAR, 2, 2),
[HW_DP_PULLDOWN_CLEAR] = REG_FIELD(ISP1763_HC_OTG_CTRL_CLEAR, 1, 1),
[HW_DP_PULLUP_CLEAR] = REG_FIELD(ISP1763_HC_OTG_CTRL_CLEAR, 0, 0),
/* Make sure the array is sized properly during compilation */
[HC_FIELD_MAX] = {},
};
int isp1760_register(struct isp1760_device *isp, struct resource *mem, int irq,
unsigned long irqflags)
{
const struct regmap_config *hc_regmap;
const struct reg_field *hc_reg_fields;
struct isp1760_hcd *hcd;
struct regmap_field *f;
unsigned int devflags;
struct udevice *dev;
int ret;
int i;
hcd = &isp->hcd;
devflags = isp->devflags;
dev = isp->dev;
hcd->is_isp1763 = !!(devflags & ISP1760_FLAG_ISP1763);
if (!hcd->is_isp1763 && (devflags & ISP1760_FLAG_BUS_WIDTH_8)) {
dev_err(dev, "isp1760/61 do not support data width 8\n");
return -EINVAL;
}
if (hcd->is_isp1763) {
hc_regmap = &isp1763_hc_regmap_conf;
hc_reg_fields = &isp1763_hc_reg_fields[0];
} else {
hc_regmap = &isp1760_hc_regmap_conf;
hc_reg_fields = &isp1760_hc_reg_fields[0];
}
hcd->base = devm_ioremap(dev, mem->start, resource_size(mem));
if (IS_ERR(hcd->base))
return PTR_ERR(hcd->base);
hcd->regs = devm_regmap_init(dev, NULL, NULL, hc_regmap);
if (IS_ERR(hcd->regs))
return PTR_ERR(hcd->regs);
for (i = 0; i < HC_FIELD_MAX; i++) {
f = devm_regmap_field_alloc(dev, hcd->regs, hc_reg_fields[i]);
if (IS_ERR(f))
return PTR_ERR(f);
hcd->fields[i] = f;
}
if (hcd->is_isp1763)
hcd->memory_layout = &isp1763_memory_conf;
else
hcd->memory_layout = &isp176x_memory_conf;
ret = isp1760_init_core(isp);
if (ret < 0)
return ret;
hcd->dev = dev;
ret = isp1760_hcd_register(hcd, mem, irq, irqflags, dev);
if (ret < 0)
return ret;
ret = isp1760_hcd_lowlevel_init(hcd);
if (ret < 0)
return ret;
dev_set_drvdata(dev, isp);
return 0;
}
void isp1760_unregister(struct isp1760_device *isp)
{
isp1760_hcd_unregister(&isp->hcd);
}