diff options
Diffstat (limited to 'drivers/staging/ti-st/st_core.h')
| -rw-r--r-- | drivers/staging/ti-st/st_core.h | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/drivers/staging/ti-st/st_core.h b/drivers/staging/ti-st/st_core.h deleted file mode 100644 index 8601320..0000000 --- a/drivers/staging/ti-st/st_core.h +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Shared Transport Core header file - * - * Copyright (C) 2009 Texas Instruments - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifndef ST_CORE_H -#define ST_CORE_H - -#include <linux/skbuff.h> -#include "st.h" - -/* states of protocol list */ -#define ST_NOTEMPTY 1 -#define ST_EMPTY 0 - -/* - * possible st_states - */ -#define ST_INITIALIZING 1 -#define ST_REG_IN_PROGRESS 2 -#define ST_REG_PENDING 3 -#define ST_WAITING_FOR_RESP 4 - -/** - * struct st_data_s - ST core internal structure - * @st_state: different states of ST like initializing, registration - * in progress, this is mainly used to return relevant err codes - * when protocol drivers are registering. It is also used to track - * the recv function, as in during fw download only HCI events - * can occur , where as during other times other events CH8, CH9 - * can occur. - * @tty: tty provided by the TTY core for line disciplines. - * @ldisc_ops: the procedures that this line discipline registers with TTY. - * @tx_skb: If for some reason the tty's write returns lesser bytes written - * then to maintain the rest of data to be written on next instance. - * This needs to be protected, hence the lock inside wakeup func. - * @tx_state: if the data is being written onto the TTY and protocol driver - * wants to send more, queue up data and mark that there is - * more data to send. - * @list: the list of protocols registered, only MAX can exist, one protocol - * can register only once. - * @rx_state: states to be maintained inside st's tty receive - * @rx_count: count to be maintained inside st's tty receieve - * @rx_skb: the skb where all data for a protocol gets accumulated, - * since tty might not call receive when a complete event packet - * is received, the states, count and the skb needs to be maintained. - * @txq: the list of skbs which needs to be sent onto the TTY. - * @tx_waitq: if the chip is not in AWAKE state, the skbs needs to be queued - * up in here, PM(WAKEUP_IND) data needs to be sent and then the skbs - * from waitq can be moved onto the txq. - * Needs locking too. - * @lock: the lock to protect skbs, queues, and ST states. - * @protos_registered: count of the protocols registered, also when 0 the - * chip enable gpio can be toggled, and when it changes to 1 the fw - * needs to be downloaded to initialize chip side ST. - * @ll_state: the various PM states the chip can be, the states are notified - * to us, when the chip sends relevant PM packets(SLEEP_IND, WAKE_IND). - * @kim_data: reference to the parent encapsulating structure. - * - */ -struct st_data_s { - unsigned long st_state; - struct tty_struct *tty; - struct tty_ldisc_ops *ldisc_ops; - struct sk_buff *tx_skb; -#define ST_TX_SENDING 1 -#define ST_TX_WAKEUP 2 - unsigned long tx_state; - struct st_proto_s *list[ST_MAX]; - unsigned long rx_state; - unsigned long rx_count; - struct sk_buff *rx_skb; - struct sk_buff_head txq, tx_waitq; - spinlock_t lock; - unsigned char protos_registered; - unsigned long ll_state; - void *kim_data; -}; - -/** - * st_int_write - - * point this to tty->driver->write or tty->ops->write - * depending upon the kernel version - */ -int st_int_write(struct st_data_s*, const unsigned char*, int); - -/** - * st_write - - * internal write function, passed onto protocol drivers - * via the write function ptr of protocol struct - */ -long st_write(struct sk_buff *); - -/* function to be called from ST-LL */ -void st_ll_send_frame(enum proto_type, struct sk_buff *); - -/* internal wake up function */ -void st_tx_wakeup(struct st_data_s *st_data); - -/* init, exit entry funcs called from KIM */ -int st_core_init(struct st_data_s **); -void st_core_exit(struct st_data_s *); - -/* ask for reference from KIM */ -void st_kim_ref(struct st_data_s **, int); - -#define GPS_STUB_TEST -#ifdef GPS_STUB_TEST -int gps_chrdrv_stub_write(const unsigned char*, int); -void gps_chrdrv_stub_init(void); -#endif - -#endif /*ST_CORE_H */ |
