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/*
* Copyright (C) 2010 Google, Inc.
* Copyright (C) 2010 Samsung Electronics.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __MODEM_PRJ_H__
#define __MODEM_PRJ_H__
#include <linux/wait.h>
#include <linux/miscdevice.h>
#include <linux/skbuff.h>
#define MAX_LINK_DEVTYPE 3
#define MAX_RAW_DEVS 32
#define MAX_NUM_IO_DEV (MAX_RAW_DEVS + 4)
#define IOCTL_MODEM_ON _IO('o', 0x19)
#define IOCTL_MODEM_OFF _IO('o', 0x20)
#define IOCTL_MODEM_RESET _IO('o', 0x21)
#define IOCTL_MODEM_BOOT_ON _IO('o', 0x22)
#define IOCTL_MODEM_BOOT_OFF _IO('o', 0x23)
#define IOCTL_MODEM_START _IO('o', 0x24)
#define IOCTL_MODEM_SEND _IO('o', 0x25)
#define IOCTL_MODEM_RECV _IO('o', 0x26)
#define IOCTL_MODEM_STATUS _IO('o', 0x27)
#define IOCTL_MODEM_GOTA_START _IO('o', 0x28)
#define IOCTL_MODEM_FW_UPDATE _IO('o', 0x29)
#define IOCTL_MODEM_NET_SUSPEND _IO('o', 0x30)
#define IOCTL_MODEM_NET_RESUME _IO('o', 0x31)
#define IOCTL_MODEM_DUMP_START _IO('o', 0x32)
#define IOCTL_MODEM_DUMP_UPDATE _IO('o', 0x33)
#define IOCTL_MODEM_FORCE_CRASH_EXIT _IO('o', 0x34)
#define IOCTL_MODEM_DUMP_RESET _IO('o', 0x35)
#define IPC_HEADER_MAX_SIZE 6 /* fmt 3, raw 6, rfs 6 */
#define PSD_DATA_CHID_BEGIN 0x2A
#define PSD_DATA_CHID_END 0x38
#define IP6VERSION 6
#define SOURCE_MAC_ADDR {0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC}
/* Does modem ctl structure will use state ? or status defined below ?*/
/* Be careful!! below sequence shouldn't be changed*/
enum modem_state {
STATE_OFFLINE,
__UNUSED__,
STATE_CRASH_EXIT,
STATE_BOOTING,
STATE_ONLINE,
STATE_NV_REBUILDING,
STATE_LOADER_DONE,
};
enum {
COM_NONE,
COM_ONLINE,
COM_HANDSHAKE,
COM_BOOT,
COM_CRASH,
COM_BOOT_EBL,
};
struct header_data {
char hdr[IPC_HEADER_MAX_SIZE];
unsigned len;
unsigned flag_len;
char start; /*hdlc start header 0x7F*/
};
/* buffer type for modem image */
struct dpram_firmware {
char *firmware;
int size;
int is_delta;
};
struct vnet {
struct io_device *iod;
};
struct io_device {
struct list_head list;
char *name;
wait_queue_head_t wq;
struct miscdevice miscdev;
struct net_device *ndev;
/* ID and Format for channel on the link */
unsigned id;
enum dev_format format;
enum modem_io io_typ;
enum modem_network net_typ;
struct sk_buff_head sk_rx_q;
/* work for each io device, when delayed work needed
* use this for private io device rx action
*/
struct delayed_work rx_work;
/* for fragmentation data from link device */
struct sk_buff *skb_recv;
struct header_data h_data;
/* called from linkdevice when a packet arrives for this iodevice */
int (*recv)(struct io_device *iod, const char *data, unsigned int len);
/* inform the IO device that the modem is now online or offline or
* crashing or whatever...
*/
void (*modem_state_changed)(struct io_device *iod, enum modem_state);
struct link_device *link;
struct modem_ctl *mc;
void *private_data;
};
#define to_io_device(misc) container_of(misc, struct io_device, miscdev)
struct io_raw_devices {
struct io_device *raw_devices[MAX_RAW_DEVS];
int num_of_raw_devs;
};
struct link_device {
char *name;
struct sk_buff_head sk_fmt_tx_q;
struct sk_buff_head sk_raw_tx_q;
struct workqueue_struct *tx_wq;
struct workqueue_struct *tx_raw_wq;
struct work_struct tx_work;
struct delayed_work tx_delayed_work;
unsigned com_state;
/* called during init to associate an io device with this link */
int (*attach)(struct link_device *ld, struct io_device *iod);
/* init communication - setting link driver */
int (*init_comm)(struct link_device *ld, struct io_device *iod);
/* terminate communication */
void (*terminate_comm)(struct link_device *ld, struct io_device *iod);
/* called by an io_device when it has a packet to send over link
* - the io device is passed so the link device can look at id and
* format fields to determine how to route/format the packet
*/
int (*send)(struct link_device *ld, struct io_device *iod,
struct sk_buff *skb);
int (*gota_start)(struct link_device *ld, struct io_device *iod);
int (*dump_start)(struct link_device *ld, struct io_device *iod);
int (*modem_update)(
struct link_device *ld,
struct io_device *iod,
unsigned long arg);
int (*dump_update)(
struct link_device *ld,
struct io_device *iod,
unsigned long arg);
};
struct modemctl_ops {
int (*modem_on) (struct modem_ctl *);
int (*modem_off) (struct modem_ctl *);
int (*modem_reset) (struct modem_ctl *);
int (*modem_boot_on) (struct modem_ctl *);
int (*modem_boot_off) (struct modem_ctl *);
int (*modem_force_crash_exit) (struct modem_ctl *);
int (*modem_dump_reset) (struct modem_ctl *);
};
struct modem_ctl {
struct device *dev;
char *name;
int phone_state;
unsigned gpio_cp_on;
unsigned gpio_reset_req_n;
unsigned gpio_cp_reset;
unsigned gpio_pda_active;
unsigned gpio_phone_active;
unsigned gpio_cp_dump_int;
unsigned gpio_flm_uart_sel;
unsigned gpio_cp_warm_reset;
unsigned gpio_cp_off;
int irq_phone_active;
struct work_struct work;
#if defined(CONFIG_LTE_MODEM_CMC221) || defined(CONFIG_LTE_MODEM_CMC220)
const struct attribute_group *group;
unsigned gpio_slave_wakeup;
unsigned gpio_host_wakeup;
unsigned gpio_host_active;
int irq_host_wakeup;
struct delayed_work dwork;
struct work_struct resume_work;
int wakeup_flag; /*flag for CP boot GPIO sync flag*/
int cpcrash_flag;
int crash_cnt;
struct completion *l2_done;
int irq[3];
#endif /*CONFIG_LTE_MODEM_CMC221*/
#ifdef CONFIG_INTERNAL_MODEM_IF
void (*clear_intr)(void);
#endif
struct modemctl_ops ops;
struct io_device *iod;
};
int init_io_device(struct io_device *iod);
#endif
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