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v6.8
  1/* SPDX-License-Identifier: GPL-2.0+ */
  2/*
  3 * c67x00.h: Cypress C67X00 USB register and field definitions
  4 *
  5 * Copyright (C) 2006-2008 Barco N.V.
  6 *    Derived from the Cypress cy7c67200/300 ezusb linux driver and
  7 *    based on multiple host controller drivers inside the linux kernel.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  8 */
  9
 10#ifndef _USB_C67X00_H
 11#define _USB_C67X00_H
 12
 13#include <linux/spinlock.h>
 14#include <linux/platform_device.h>
 15#include <linux/completion.h>
 16#include <linux/mutex.h>
 17
 18/* ---------------------------------------------------------------------
 19 * Cypress C67x00 register definitions
 20 */
 21
 22/* Hardware Revision Register */
 23#define HW_REV_REG		0xC004
 24
 25/* General USB registers */
 26/* ===================== */
 27
 28/* USB Control Register */
 29#define USB_CTL_REG(x)		((x) ? 0xC0AA : 0xC08A)
 30
 31#define LOW_SPEED_PORT(x)	((x) ? 0x0800 : 0x0400)
 32#define HOST_MODE		0x0200
 33#define PORT_RES_EN(x)		((x) ? 0x0100 : 0x0080)
 34#define SOF_EOP_EN(x)		((x) ? 0x0002 : 0x0001)
 35
 36/* USB status register - Notice it has different content in hcd/udc mode */
 37#define USB_STAT_REG(x)		((x) ? 0xC0B0 : 0xC090)
 38
 39#define EP0_IRQ_FLG		0x0001
 40#define EP1_IRQ_FLG		0x0002
 41#define EP2_IRQ_FLG		0x0004
 42#define EP3_IRQ_FLG		0x0008
 43#define EP4_IRQ_FLG		0x0010
 44#define EP5_IRQ_FLG		0x0020
 45#define EP6_IRQ_FLG		0x0040
 46#define EP7_IRQ_FLG		0x0080
 47#define RESET_IRQ_FLG		0x0100
 48#define SOF_EOP_IRQ_FLG		0x0200
 49#define ID_IRQ_FLG		0x4000
 50#define VBUS_IRQ_FLG		0x8000
 51
 52/* USB Host only registers */
 53/* ======================= */
 54
 55/* Host n Control Register */
 56#define HOST_CTL_REG(x)		((x) ? 0xC0A0 : 0xC080)
 57
 58#define PREAMBLE_EN		0x0080	/* Preamble enable */
 59#define SEQ_SEL			0x0040	/* Data Toggle Sequence Bit Select */
 60#define ISO_EN			0x0010	/* Isochronous enable  */
 61#define ARM_EN			0x0001	/* Arm operation */
 62
 63/* Host n Interrupt Enable Register */
 64#define HOST_IRQ_EN_REG(x)	((x) ? 0xC0AC : 0xC08C)
 65
 66#define SOF_EOP_IRQ_EN		0x0200	/* SOF/EOP Interrupt Enable  */
 67#define SOF_EOP_TMOUT_IRQ_EN	0x0800	/* SOF/EOP Timeout Interrupt Enable  */
 68#define ID_IRQ_EN		0x4000	/* ID interrupt enable */
 69#define VBUS_IRQ_EN		0x8000	/* VBUS interrupt enable */
 70#define DONE_IRQ_EN		0x0001	/* Done Interrupt Enable  */
 71
 72/* USB status register */
 73#define HOST_STAT_MASK		0x02FD
 74#define PORT_CONNECT_CHANGE(x)	((x) ? 0x0020 : 0x0010)
 75#define PORT_SE0_STATUS(x)	((x) ? 0x0008 : 0x0004)
 76
 77/* Host Frame Register */
 78#define HOST_FRAME_REG(x)	((x) ? 0xC0B6 : 0xC096)
 79
 80#define HOST_FRAME_MASK		0x07FF
 81
 82/* USB Peripheral only registers */
 83/* ============================= */
 84
 85/* Device n Port Sel reg */
 86#define DEVICE_N_PORT_SEL(x)	((x) ? 0xC0A4 : 0xC084)
 87
 88/* Device n Interrupt Enable Register */
 89#define DEVICE_N_IRQ_EN_REG(x)	((x) ? 0xC0AC : 0xC08C)
 90
 91#define DEVICE_N_ENDPOINT_N_CTL_REG(dev, ep)	((dev)  		\
 92						 ? (0x0280 + (ep << 4)) \
 93						 : (0x0200 + (ep << 4)))
 94#define DEVICE_N_ENDPOINT_N_STAT_REG(dev, ep)	((dev)			\
 95						 ? (0x0286 + (ep << 4)) \
 96						 : (0x0206 + (ep << 4)))
 97
 98#define DEVICE_N_ADDRESS(dev)	((dev) ? (0xC0AE) : (0xC08E))
 99
100/* HPI registers */
101/* ============= */
102
103/* HPI Status register */
104#define SOFEOP_FLG(x)		(1 << ((x) ? 12 : 10))
105#define SIEMSG_FLG(x)		(1 << (4 + (x)))
106#define RESET_FLG(x)		((x) ? 0x0200 : 0x0002)
107#define DONE_FLG(x)		(1 << (2 + (x)))
108#define RESUME_FLG(x)		(1 << (6 + (x)))
109#define MBX_OUT_FLG		0x0001	/* Message out available */
110#define MBX_IN_FLG		0x0100
111#define ID_FLG			0x4000
112#define VBUS_FLG		0x8000
113
114/* Interrupt routing register */
115#define HPI_IRQ_ROUTING_REG	0x0142
116
117#define HPI_SWAP_ENABLE(x)	((x) ? 0x0100 : 0x0001)
118#define RESET_TO_HPI_ENABLE(x)	((x) ? 0x0200 : 0x0002)
119#define DONE_TO_HPI_ENABLE(x)	((x) ? 0x0008 : 0x0004)
120#define RESUME_TO_HPI_ENABLE(x)	((x) ? 0x0080 : 0x0040)
121#define SOFEOP_TO_HPI_EN(x)	((x) ? 0x2000 : 0x0800)
122#define SOFEOP_TO_CPU_EN(x)	((x) ? 0x1000 : 0x0400)
123#define ID_TO_HPI_ENABLE	0x4000
124#define VBUS_TO_HPI_ENABLE	0x8000
125
126/* SIE msg registers */
127#define SIEMSG_REG(x)		((x) ? 0x0148 : 0x0144)
128
129#define HUSB_TDListDone		0x1000
130
131#define SUSB_EP0_MSG		0x0001
132#define SUSB_EP1_MSG		0x0002
133#define SUSB_EP2_MSG		0x0004
134#define SUSB_EP3_MSG		0x0008
135#define SUSB_EP4_MSG		0x0010
136#define SUSB_EP5_MSG		0x0020
137#define SUSB_EP6_MSG		0x0040
138#define SUSB_EP7_MSG		0x0080
139#define SUSB_RST_MSG		0x0100
140#define SUSB_SOF_MSG		0x0200
141#define SUSB_CFG_MSG		0x0400
142#define SUSB_SUS_MSG		0x0800
143#define SUSB_ID_MSG	       	0x4000
144#define SUSB_VBUS_MSG		0x8000
145
146/* BIOS interrupt routines */
147
148#define SUSBx_RECEIVE_INT(x)	((x) ? 97 : 81)
149#define SUSBx_SEND_INT(x)	((x) ? 96 : 80)
150
151#define SUSBx_DEV_DESC_VEC(x)	((x) ? 0x00D4 : 0x00B4)
152#define SUSBx_CONF_DESC_VEC(x)	((x) ? 0x00D6 : 0x00B6)
153#define SUSBx_STRING_DESC_VEC(x) ((x) ? 0x00D8 : 0x00B8)
154
155#define CY_HCD_BUF_ADDR		0x500	/* Base address for host */
156#define SIE_TD_SIZE		0x200	/* size of the td list */
157#define SIE_TD_BUF_SIZE		0x400	/* size of the data buffer */
158
159#define SIE_TD_OFFSET(host)	((host) ? (SIE_TD_SIZE+SIE_TD_BUF_SIZE) : 0)
160#define SIE_BUF_OFFSET(host)	(SIE_TD_OFFSET(host) + SIE_TD_SIZE)
161
162/* Base address of HCD + 2 x TD_SIZE + 2 x TD_BUF_SIZE */
163#define CY_UDC_REQ_HEADER_BASE	0x1100
164/* 8- byte request headers for IN/OUT transfers */
165#define CY_UDC_REQ_HEADER_SIZE	8
166
167#define CY_UDC_REQ_HEADER_ADDR(ep_num)	(CY_UDC_REQ_HEADER_BASE + \
168					 ((ep_num) * CY_UDC_REQ_HEADER_SIZE))
169#define CY_UDC_DESC_BASE_ADDRESS	(CY_UDC_REQ_HEADER_ADDR(8))
170
171#define CY_UDC_BIOS_REPLACE_BASE	0x1800
172#define CY_UDC_REQ_BUFFER_BASE		0x2000
173#define CY_UDC_REQ_BUFFER_SIZE		0x0400
174#define CY_UDC_REQ_BUFFER_ADDR(ep_num)	(CY_UDC_REQ_BUFFER_BASE + \
175					 ((ep_num) * CY_UDC_REQ_BUFFER_SIZE))
176
177/* ---------------------------------------------------------------------
178 * Driver data structures
179 */
180
181struct c67x00_device;
182
183/**
184 * struct c67x00_sie - Common data associated with a SIE
185 * @lock: lock to protect this struct and the associated chip registers
186 * @private_data: subdriver dependent data
187 * @irq: subdriver dependent irq handler, set NULL when not used
188 * @dev: link to common driver structure
189 * @sie_num: SIE number on chip, starting from 0
190 * @mode: SIE mode (host/peripheral/otg/not used)
191 */
192struct c67x00_sie {
193	/* Entries to be used by the subdrivers */
194	spinlock_t lock;	/* protect this structure */
195	void *private_data;
196	void (*irq) (struct c67x00_sie *sie, u16 int_status, u16 msg);
197
198	/* Read only: */
199	struct c67x00_device *dev;
200	int sie_num;
201	int mode;
202};
203
204#define sie_dev(s)	(&(s)->dev->pdev->dev)
205
206/**
207 * struct c67x00_lcp
208 */
209struct c67x00_lcp {
210	/* Internal use only */
211	struct mutex mutex;
212	struct completion msg_received;
213	u16 last_msg;
214};
215
216/*
217 * struct c67x00_hpi
218 */
219struct c67x00_hpi {
220	void __iomem *base;
221	int regstep;
222	spinlock_t lock;
223	struct c67x00_lcp lcp;
224};
225
226#define C67X00_SIES	2
227#define C67X00_PORTS	2
228
229/**
230 * struct c67x00_device - Common data associated with a c67x00 instance
231 * @hpi: hpi addresses
232 * @sie: array of sie's on this chip
233 * @pdev: platform device of instance
234 * @pdata: configuration provided by the platform
235 */
236struct c67x00_device {
237	struct c67x00_hpi hpi;
238	struct c67x00_sie sie[C67X00_SIES];
239	struct platform_device *pdev;
240	struct c67x00_platform_data *pdata;
241};
242
243/* ---------------------------------------------------------------------
244 * Low level interface functions
245 */
246
247/* Host Port Interface (HPI) functions */
248u16 c67x00_ll_hpi_status(struct c67x00_device *dev);
249void c67x00_ll_hpi_reg_init(struct c67x00_device *dev);
250void c67x00_ll_hpi_enable_sofeop(struct c67x00_sie *sie);
251void c67x00_ll_hpi_disable_sofeop(struct c67x00_sie *sie);
252
253/* General functions */
254u16 c67x00_ll_fetch_siemsg(struct c67x00_device *dev, int sie_num);
255u16 c67x00_ll_get_usb_ctl(struct c67x00_sie *sie);
256void c67x00_ll_usb_clear_status(struct c67x00_sie *sie, u16 bits);
257u16 c67x00_ll_usb_get_status(struct c67x00_sie *sie);
258void c67x00_ll_write_mem_le16(struct c67x00_device *dev, u16 addr,
259			      void *data, int len);
260void c67x00_ll_read_mem_le16(struct c67x00_device *dev, u16 addr,
261			     void *data, int len);
262
263/* Host specific functions */
264void c67x00_ll_set_husb_eot(struct c67x00_device *dev, u16 value);
265void c67x00_ll_husb_reset(struct c67x00_sie *sie, int port);
266void c67x00_ll_husb_set_current_td(struct c67x00_sie *sie, u16 addr);
267u16 c67x00_ll_husb_get_current_td(struct c67x00_sie *sie);
268u16 c67x00_ll_husb_get_frame(struct c67x00_sie *sie);
269void c67x00_ll_husb_init_host_port(struct c67x00_sie *sie);
270void c67x00_ll_husb_reset_port(struct c67x00_sie *sie, int port);
271
272/* Called by c67x00_irq to handle lcp interrupts */
273void c67x00_ll_irq(struct c67x00_device *dev, u16 int_status);
274
275/* Setup and teardown */
276void c67x00_ll_init(struct c67x00_device *dev);
277void c67x00_ll_release(struct c67x00_device *dev);
278int c67x00_ll_reset(struct c67x00_device *dev);
279
280#endif				/* _USB_C67X00_H */
v4.6
 
  1/*
  2 * c67x00.h: Cypress C67X00 USB register and field definitions
  3 *
  4 * Copyright (C) 2006-2008 Barco N.V.
  5 *    Derived from the Cypress cy7c67200/300 ezusb linux driver and
  6 *    based on multiple host controller drivers inside the linux kernel.
  7 *
  8 * This program is free software; you can redistribute it and/or modify
  9 * it under the terms of the GNU General Public License as published by
 10 * the Free Software Foundation; either version 2 of the License, or
 11 * (at your option) any later version.
 12 *
 13 * This program is distributed in the hope that it will be useful,
 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 16 * GNU General Public License for more details.
 17 *
 18 * You should have received a copy of the GNU General Public License
 19 * along with this program; if not, write to the Free Software
 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 21 * MA  02110-1301  USA.
 22 */
 23
 24#ifndef _USB_C67X00_H
 25#define _USB_C67X00_H
 26
 27#include <linux/spinlock.h>
 28#include <linux/platform_device.h>
 29#include <linux/completion.h>
 30#include <linux/mutex.h>
 31
 32/* ---------------------------------------------------------------------
 33 * Cypress C67x00 register definitions
 34 */
 35
 36/* Hardware Revision Register */
 37#define HW_REV_REG		0xC004
 38
 39/* General USB registers */
 40/* ===================== */
 41
 42/* USB Control Register */
 43#define USB_CTL_REG(x)		((x) ? 0xC0AA : 0xC08A)
 44
 45#define LOW_SPEED_PORT(x)	((x) ? 0x0800 : 0x0400)
 46#define HOST_MODE		0x0200
 47#define PORT_RES_EN(x)		((x) ? 0x0100 : 0x0080)
 48#define SOF_EOP_EN(x)		((x) ? 0x0002 : 0x0001)
 49
 50/* USB status register - Notice it has different content in hcd/udc mode */
 51#define USB_STAT_REG(x)		((x) ? 0xC0B0 : 0xC090)
 52
 53#define EP0_IRQ_FLG		0x0001
 54#define EP1_IRQ_FLG		0x0002
 55#define EP2_IRQ_FLG		0x0004
 56#define EP3_IRQ_FLG		0x0008
 57#define EP4_IRQ_FLG		0x0010
 58#define EP5_IRQ_FLG		0x0020
 59#define EP6_IRQ_FLG		0x0040
 60#define EP7_IRQ_FLG		0x0080
 61#define RESET_IRQ_FLG		0x0100
 62#define SOF_EOP_IRQ_FLG		0x0200
 63#define ID_IRQ_FLG		0x4000
 64#define VBUS_IRQ_FLG		0x8000
 65
 66/* USB Host only registers */
 67/* ======================= */
 68
 69/* Host n Control Register */
 70#define HOST_CTL_REG(x)		((x) ? 0xC0A0 : 0xC080)
 71
 72#define PREAMBLE_EN		0x0080	/* Preamble enable */
 73#define SEQ_SEL			0x0040	/* Data Toggle Sequence Bit Select */
 74#define ISO_EN			0x0010	/* Isochronous enable  */
 75#define ARM_EN			0x0001	/* Arm operation */
 76
 77/* Host n Interrupt Enable Register */
 78#define HOST_IRQ_EN_REG(x)	((x) ? 0xC0AC : 0xC08C)
 79
 80#define SOF_EOP_IRQ_EN		0x0200	/* SOF/EOP Interrupt Enable  */
 81#define SOF_EOP_TMOUT_IRQ_EN	0x0800	/* SOF/EOP Timeout Interrupt Enable  */
 82#define ID_IRQ_EN		0x4000	/* ID interrupt enable */
 83#define VBUS_IRQ_EN		0x8000	/* VBUS interrupt enable */
 84#define DONE_IRQ_EN		0x0001	/* Done Interrupt Enable  */
 85
 86/* USB status register */
 87#define HOST_STAT_MASK		0x02FD
 88#define PORT_CONNECT_CHANGE(x)	((x) ? 0x0020 : 0x0010)
 89#define PORT_SE0_STATUS(x)	((x) ? 0x0008 : 0x0004)
 90
 91/* Host Frame Register */
 92#define HOST_FRAME_REG(x)	((x) ? 0xC0B6 : 0xC096)
 93
 94#define HOST_FRAME_MASK		0x07FF
 95
 96/* USB Peripheral only registers */
 97/* ============================= */
 98
 99/* Device n Port Sel reg */
100#define DEVICE_N_PORT_SEL(x)	((x) ? 0xC0A4 : 0xC084)
101
102/* Device n Interrupt Enable Register */
103#define DEVICE_N_IRQ_EN_REG(x)	((x) ? 0xC0AC : 0xC08C)
104
105#define DEVICE_N_ENDPOINT_N_CTL_REG(dev, ep)	((dev)  		\
106						 ? (0x0280 + (ep << 4)) \
107						 : (0x0200 + (ep << 4)))
108#define DEVICE_N_ENDPOINT_N_STAT_REG(dev, ep)	((dev)			\
109						 ? (0x0286 + (ep << 4)) \
110						 : (0x0206 + (ep << 4)))
111
112#define DEVICE_N_ADDRESS(dev)	((dev) ? (0xC0AE) : (0xC08E))
113
114/* HPI registers */
115/* ============= */
116
117/* HPI Status register */
118#define SOFEOP_FLG(x)		(1 << ((x) ? 12 : 10))
119#define SIEMSG_FLG(x)		(1 << (4 + (x)))
120#define RESET_FLG(x)		((x) ? 0x0200 : 0x0002)
121#define DONE_FLG(x)		(1 << (2 + (x)))
122#define RESUME_FLG(x)		(1 << (6 + (x)))
123#define MBX_OUT_FLG		0x0001	/* Message out available */
124#define MBX_IN_FLG		0x0100
125#define ID_FLG			0x4000
126#define VBUS_FLG		0x8000
127
128/* Interrupt routing register */
129#define HPI_IRQ_ROUTING_REG	0x0142
130
131#define HPI_SWAP_ENABLE(x)	((x) ? 0x0100 : 0x0001)
132#define RESET_TO_HPI_ENABLE(x)	((x) ? 0x0200 : 0x0002)
133#define DONE_TO_HPI_ENABLE(x)	((x) ? 0x0008 : 0x0004)
134#define RESUME_TO_HPI_ENABLE(x)	((x) ? 0x0080 : 0x0040)
135#define SOFEOP_TO_HPI_EN(x)	((x) ? 0x2000 : 0x0800)
136#define SOFEOP_TO_CPU_EN(x)	((x) ? 0x1000 : 0x0400)
137#define ID_TO_HPI_ENABLE	0x4000
138#define VBUS_TO_HPI_ENABLE	0x8000
139
140/* SIE msg registers */
141#define SIEMSG_REG(x)		((x) ? 0x0148 : 0x0144)
142
143#define HUSB_TDListDone		0x1000
144
145#define SUSB_EP0_MSG		0x0001
146#define SUSB_EP1_MSG		0x0002
147#define SUSB_EP2_MSG		0x0004
148#define SUSB_EP3_MSG		0x0008
149#define SUSB_EP4_MSG		0x0010
150#define SUSB_EP5_MSG		0x0020
151#define SUSB_EP6_MSG		0x0040
152#define SUSB_EP7_MSG		0x0080
153#define SUSB_RST_MSG		0x0100
154#define SUSB_SOF_MSG		0x0200
155#define SUSB_CFG_MSG		0x0400
156#define SUSB_SUS_MSG		0x0800
157#define SUSB_ID_MSG	       	0x4000
158#define SUSB_VBUS_MSG		0x8000
159
160/* BIOS interrupt routines */
161
162#define SUSBx_RECEIVE_INT(x)	((x) ? 97 : 81)
163#define SUSBx_SEND_INT(x)	((x) ? 96 : 80)
164
165#define SUSBx_DEV_DESC_VEC(x)	((x) ? 0x00D4 : 0x00B4)
166#define SUSBx_CONF_DESC_VEC(x)	((x) ? 0x00D6 : 0x00B6)
167#define SUSBx_STRING_DESC_VEC(x) ((x) ? 0x00D8 : 0x00B8)
168
169#define CY_HCD_BUF_ADDR		0x500	/* Base address for host */
170#define SIE_TD_SIZE		0x200	/* size of the td list */
171#define SIE_TD_BUF_SIZE		0x400	/* size of the data buffer */
172
173#define SIE_TD_OFFSET(host)	((host) ? (SIE_TD_SIZE+SIE_TD_BUF_SIZE) : 0)
174#define SIE_BUF_OFFSET(host)	(SIE_TD_OFFSET(host) + SIE_TD_SIZE)
175
176/* Base address of HCD + 2 x TD_SIZE + 2 x TD_BUF_SIZE */
177#define CY_UDC_REQ_HEADER_BASE	0x1100
178/* 8- byte request headers for IN/OUT transfers */
179#define CY_UDC_REQ_HEADER_SIZE	8
180
181#define CY_UDC_REQ_HEADER_ADDR(ep_num)	(CY_UDC_REQ_HEADER_BASE + \
182					 ((ep_num) * CY_UDC_REQ_HEADER_SIZE))
183#define CY_UDC_DESC_BASE_ADDRESS	(CY_UDC_REQ_HEADER_ADDR(8))
184
185#define CY_UDC_BIOS_REPLACE_BASE	0x1800
186#define CY_UDC_REQ_BUFFER_BASE		0x2000
187#define CY_UDC_REQ_BUFFER_SIZE		0x0400
188#define CY_UDC_REQ_BUFFER_ADDR(ep_num)	(CY_UDC_REQ_BUFFER_BASE + \
189					 ((ep_num) * CY_UDC_REQ_BUFFER_SIZE))
190
191/* ---------------------------------------------------------------------
192 * Driver data structures
193 */
194
195struct c67x00_device;
196
197/**
198 * struct c67x00_sie - Common data associated with a SIE
199 * @lock: lock to protect this struct and the associated chip registers
200 * @private_data: subdriver dependent data
201 * @irq: subdriver dependent irq handler, set NULL when not used
202 * @dev: link to common driver structure
203 * @sie_num: SIE number on chip, starting from 0
204 * @mode: SIE mode (host/peripheral/otg/not used)
205 */
206struct c67x00_sie {
207	/* Entries to be used by the subdrivers */
208	spinlock_t lock;	/* protect this structure */
209	void *private_data;
210	void (*irq) (struct c67x00_sie *sie, u16 int_status, u16 msg);
211
212	/* Read only: */
213	struct c67x00_device *dev;
214	int sie_num;
215	int mode;
216};
217
218#define sie_dev(s)	(&(s)->dev->pdev->dev)
219
220/**
221 * struct c67x00_lcp
222 */
223struct c67x00_lcp {
224	/* Internal use only */
225	struct mutex mutex;
226	struct completion msg_received;
227	u16 last_msg;
228};
229
230/*
231 * struct c67x00_hpi
232 */
233struct c67x00_hpi {
234	void __iomem *base;
235	int regstep;
236	spinlock_t lock;
237	struct c67x00_lcp lcp;
238};
239
240#define C67X00_SIES	2
241#define C67X00_PORTS	2
242
243/**
244 * struct c67x00_device - Common data associated with a c67x00 instance
245 * @hpi: hpi addresses
246 * @sie: array of sie's on this chip
247 * @pdev: platform device of instance
248 * @pdata: configuration provided by the platform
249 */
250struct c67x00_device {
251	struct c67x00_hpi hpi;
252	struct c67x00_sie sie[C67X00_SIES];
253	struct platform_device *pdev;
254	struct c67x00_platform_data *pdata;
255};
256
257/* ---------------------------------------------------------------------
258 * Low level interface functions
259 */
260
261/* Host Port Interface (HPI) functions */
262u16 c67x00_ll_hpi_status(struct c67x00_device *dev);
263void c67x00_ll_hpi_reg_init(struct c67x00_device *dev);
264void c67x00_ll_hpi_enable_sofeop(struct c67x00_sie *sie);
265void c67x00_ll_hpi_disable_sofeop(struct c67x00_sie *sie);
266
267/* General functions */
268u16 c67x00_ll_fetch_siemsg(struct c67x00_device *dev, int sie_num);
269u16 c67x00_ll_get_usb_ctl(struct c67x00_sie *sie);
270void c67x00_ll_usb_clear_status(struct c67x00_sie *sie, u16 bits);
271u16 c67x00_ll_usb_get_status(struct c67x00_sie *sie);
272void c67x00_ll_write_mem_le16(struct c67x00_device *dev, u16 addr,
273			      void *data, int len);
274void c67x00_ll_read_mem_le16(struct c67x00_device *dev, u16 addr,
275			     void *data, int len);
276
277/* Host specific functions */
278void c67x00_ll_set_husb_eot(struct c67x00_device *dev, u16 value);
279void c67x00_ll_husb_reset(struct c67x00_sie *sie, int port);
280void c67x00_ll_husb_set_current_td(struct c67x00_sie *sie, u16 addr);
281u16 c67x00_ll_husb_get_current_td(struct c67x00_sie *sie);
282u16 c67x00_ll_husb_get_frame(struct c67x00_sie *sie);
283void c67x00_ll_husb_init_host_port(struct c67x00_sie *sie);
284void c67x00_ll_husb_reset_port(struct c67x00_sie *sie, int port);
285
286/* Called by c67x00_irq to handle lcp interrupts */
287void c67x00_ll_irq(struct c67x00_device *dev, u16 int_status);
288
289/* Setup and teardown */
290void c67x00_ll_init(struct c67x00_device *dev);
291void c67x00_ll_release(struct c67x00_device *dev);
292int c67x00_ll_reset(struct c67x00_device *dev);
293
294#endif				/* _USB_C67X00_H */