patch-2.1.71 linux/drivers/net/soundmodem/sm.h

• Lines: 383
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.1.70/linux/drivers/net/soundmodem/sm.h
• Orig date: Mon Jun 16 16:35:56 1997

diff -u --recursive --new-file v2.1.70/linux/drivers/net/soundmodem/sm.h linux/drivers/net/soundmodem/sm.h
@@ -1,382 +0,0 @@
-/*****************************************************************************/
-
-/*
- *	sm.h  --  soundcard radio modem driver internal header.
- *
- *	Copyright (C) 1996  Thomas Sailer (sailer@ife.ee.ethz.ch)
- *
- *	This program is free software; you can redistribute it and/or modify
- *	it under the terms of the GNU General Public License as published by
- *	the Free Software Foundation; either version 2 of the License, or
- *	(at your option) any later version.
- *
- *	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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *  Please note that the GPL allows you to use the driver, NOT the radio.
- *  In order to use the radio, you need a license from the communications
- *  authority of your country.
- *
- */
-
-#ifndef _SM_H
-#define _SM_H
-
-/* ---------------------------------------------------------------------- */
-
-#include <linux/hdlcdrv.h>
-#include <linux/soundmodem.h>
-
-#define SM_DEBUG
-
-/* ---------------------------------------------------------------------- */
-/*
- * Information that need to be kept for each board.
- */
-
-struct sm_state {
-	struct hdlcdrv_state hdrv;
-
-	const struct modem_tx_info *mode_tx;
-	const struct modem_rx_info *mode_rx;
-
-	const struct hardware_info *hwdrv;
-
-	/*
-	 * Hardware (soundcard) access routines state
-	 */
-	struct {
-		void *ibuf;
-		unsigned int ifragsz;
-		unsigned int ifragptr;
-		unsigned int i16bit;
-		void *obuf;
-		unsigned int ofragsz;
-		unsigned int ofragptr;
-		unsigned int o16bit;
-		int ptt_cnt;
-	} dma;
-
-	union {
-		long hw[32/sizeof(long)];
-	} hw;
-
-	/*
-	 * state of the modem code
-	 */
-	union {
-		long m[32/sizeof(long)];
-	} m;
-	union {
-		long d[256/sizeof(long)];
-	} d;
-
-#define DIAGDATALEN 64
-	struct diag_data {
-		unsigned int mode;
-		unsigned int flags;
-		volatile int ptr;
-		short data[DIAGDATALEN];
-	} diag;
-
-
-#ifdef SM_DEBUG
-	struct debug_vals {
-		unsigned long last_jiffies;
-		unsigned cur_intcnt;
-		unsigned last_intcnt;
-		unsigned mod_cyc;
-		unsigned demod_cyc;
-		unsigned dma_residue;
-	} debug_vals;
-#endif /* SM_DEBUG */
-};
-
-/* ---------------------------------------------------------------------- */
-/*
- * Mode definition structure
- */
-
-struct modem_tx_info {
-	const char *name;
-	unsigned int loc_storage;
-	int srate;
-	int bitrate;
-        void (*modulator_u8)(struct sm_state *, unsigned char *, unsigned int);
-        void (*modulator_s16)(struct sm_state *, short *, unsigned int);
-        void (*init)(struct sm_state *);
-};
-
-struct modem_rx_info {
-	const char *name;
-	unsigned int loc_storage;
-	int srate;
-	int bitrate;
-	unsigned int overlap;
-	unsigned int sperbit;
-        void (*demodulator_u8)(struct sm_state *, const unsigned char *, unsigned int);
-        void (*demodulator_s16)(struct sm_state *, const short *, unsigned int);
-        void (*init)(struct sm_state *);
-};
-
-/* ---------------------------------------------------------------------- */
-/*
- * Soundcard driver definition structure
- */
-
-struct hardware_info {
-	char *hw_name; /* used for request_{region,irq,dma} */
-	unsigned int loc_storage;
-	/*
-	 * mode specific open/close
-	 */
-	int (*open)(struct device *, struct sm_state *);
-	int (*close)(struct device *, struct sm_state *);
-	int (*ioctl)(struct device *, struct sm_state *, struct ifreq *,
-		     struct hdlcdrv_ioctl *, int);
-	int (*sethw)(struct device *, struct sm_state *, char *);
-};
-
-/* --------------------------------------------------------------------- */
-
-#define min(a, b) (((a) < (b)) ? (a) : (b))
-#define max(a, b) (((a) > (b)) ? (a) : (b))
-
-/* --------------------------------------------------------------------- */
-
-extern const char sm_drvname[];
-extern const char sm_drvinfo[];
-
-/* --------------------------------------------------------------------- */
-/*
- * ===================== diagnostics stuff ===============================
- */
-
-extern inline void diag_trigger(struct sm_state *sm)
-{
-	if (sm->diag.ptr < 0)
-		if (!(sm->diag.flags & SM_DIAGFLAG_DCDGATE) || sm->hdrv.hdlcrx.dcd)
-			sm->diag.ptr = 0;
-}
-
-/* --------------------------------------------------------------------- */
-
-#define SHRT_MAX ((short)(((unsigned short)(~0U))>>1))
-#define SHRT_MIN (-SHRT_MAX-1)
-
-extern inline void diag_add(struct sm_state *sm, int valinp, int valdemod)
-{
-	int val;
-
-	if ((sm->diag.mode != SM_DIAGMODE_INPUT &&
-	     sm->diag.mode != SM_DIAGMODE_DEMOD) ||
-	    sm->diag.ptr >= DIAGDATALEN || sm->diag.ptr < 0)
-		return;
-	val = (sm->diag.mode == SM_DIAGMODE_DEMOD) ? valdemod : valinp;
-	/* clip */
-	if (val > SHRT_MAX)
-		val = SHRT_MAX;
-	if (val < SHRT_MIN)
-		val = SHRT_MIN;
-	sm->diag.data[sm->diag.ptr++] = val;
-}
-
-/* --------------------------------------------------------------------- */
-
-extern inline void diag_add_one(struct sm_state *sm, int val)
-{
-	if ((sm->diag.mode != SM_DIAGMODE_INPUT &&
-	     sm->diag.mode != SM_DIAGMODE_DEMOD) ||
-	    sm->diag.ptr >= DIAGDATALEN || sm->diag.ptr < 0)
-		return;
-	/* clip */
-	if (val > SHRT_MAX)
-		val = SHRT_MAX;
-	if (val < SHRT_MIN)
-		val = SHRT_MIN;
-	sm->diag.data[sm->diag.ptr++] = val;
-}
-
-/* --------------------------------------------------------------------- */
-
-static inline void diag_add_constellation(struct sm_state *sm, int vali, int valq)
-{
-	if ((sm->diag.mode != SM_DIAGMODE_CONSTELLATION) ||
-	    sm->diag.ptr >= DIAGDATALEN-1 || sm->diag.ptr < 0)
-		return;
-	/* clip */
-	if (vali > SHRT_MAX)
-		vali = SHRT_MAX;
-	if (vali < SHRT_MIN)
-		vali = SHRT_MIN;
-	if (valq > SHRT_MAX)
-		valq = SHRT_MAX;
-	if (valq < SHRT_MIN)
-		valq = SHRT_MIN;
-	sm->diag.data[sm->diag.ptr++] = vali;
-	sm->diag.data[sm->diag.ptr++] = valq;
-}
-
-/* --------------------------------------------------------------------- */
-/*
- * ===================== utility functions ===============================
- */
-
-extern inline unsigned int hweight32(unsigned int w)
-	__attribute__ ((unused));
-extern inline unsigned int hweight16(unsigned short w)
-	__attribute__ ((unused));
-extern inline unsigned int hweight8(unsigned char w)
-        __attribute__ ((unused));
-
-extern inline unsigned int hweight32(unsigned int w)
-{
-        unsigned int res = (w & 0x55555555) + ((w >> 1) & 0x55555555);
-        res = (res & 0x33333333) + ((res >> 2) & 0x33333333);
-        res = (res & 0x0F0F0F0F) + ((res >> 4) & 0x0F0F0F0F);
-        res = (res & 0x00FF00FF) + ((res >> 8) & 0x00FF00FF);
-        return (res & 0x0000FFFF) + ((res >> 16) & 0x0000FFFF);
-}
-
-extern inline unsigned int hweight16(unsigned short w)
-{
-        unsigned short res = (w & 0x5555) + ((w >> 1) & 0x5555);
-        res = (res & 0x3333) + ((res >> 2) & 0x3333);
-        res = (res & 0x0F0F) + ((res >> 4) & 0x0F0F);
-        return (res & 0x00FF) + ((res >> 8) & 0x00FF);
-}
-
-extern inline unsigned int hweight8(unsigned char w)
-{
-        unsigned short res = (w & 0x55) + ((w >> 1) & 0x55);
-        res = (res & 0x33) + ((res >> 2) & 0x33);
-        return (res & 0x0F) + ((res >> 4) & 0x0F);
-}
-
-extern inline unsigned int gcd(unsigned int x, unsigned int y)
-	__attribute__ ((unused));
-extern inline unsigned int lcm(unsigned int x, unsigned int y)
-	__attribute__ ((unused));
-
-extern inline unsigned int gcd(unsigned int x, unsigned int y)
-{
-	for (;;) {
-		if (!x)
-			return y;
-		if (!y)
-			return x;
-		if (x > y)
-			x %= y;
-		else
-			y %= x;
-	}
-}
-
-extern inline unsigned int lcm(unsigned int x, unsigned int y)
-{
-	return x * y / gcd(x, y);
-}
-
-/* --------------------------------------------------------------------- */
-/*
- * ===================== profiling =======================================
- */
-
-
-#ifdef __i386__
-
-extern int sm_x86_capability;
-
-#define HAS_RDTSC (sm_x86_capability & 0x10)
-
-/*
- * only do 32bit cycle counter arithmetic; we hope we won't overflow :-)
- * in fact, overflowing modems would require over 2THz clock speeds :-)
- */
-
-#define time_exec(var,cmd)                                              \
-({                                                                      \
-	if (HAS_RDTSC) {                                                \
-		unsigned int cnt1, cnt2, cnt3;                          \
-		__asm__(".byte 0x0f,0x31" : "=a" (cnt1), "=d" (cnt3));  \
-		cmd;                                                    \
-		__asm__(".byte 0x0f,0x31" : "=a" (cnt2), "=d" (cnt3));  \
-		var = cnt2-cnt1;                                        \
-	} else {                                                        \
-		cmd;                                                    \
-	}                                                               \
-})
-
-#else /* __i386__ */
-
-#define time_exec(var,cmd) cmd
-
-#endif /* __i386__ */
-
-/* --------------------------------------------------------------------- */
-
-extern const struct modem_tx_info sm_afsk1200_tx;
-extern const struct modem_tx_info sm_afsk2400_7_tx;
-extern const struct modem_tx_info sm_afsk2400_8_tx;
-extern const struct modem_tx_info sm_afsk2666_tx;
-extern const struct modem_tx_info sm_psk4800_tx;
-extern const struct modem_tx_info sm_hapn4800_8_tx;
-extern const struct modem_tx_info sm_hapn4800_10_tx;
-extern const struct modem_tx_info sm_hapn4800_pm8_tx;
-extern const struct modem_tx_info sm_hapn4800_pm10_tx;
-extern const struct modem_tx_info sm_fsk9600_4_tx;
-extern const struct modem_tx_info sm_fsk9600_5_tx;
-
-extern const struct modem_rx_info sm_afsk1200_rx;
-extern const struct modem_rx_info sm_afsk2400_7_rx;
-extern const struct modem_rx_info sm_afsk2400_8_rx;
-extern const struct modem_rx_info sm_afsk2666_rx;
-extern const struct modem_rx_info sm_psk4800_rx;
-extern const struct modem_rx_info sm_hapn4800_8_rx;
-extern const struct modem_rx_info sm_hapn4800_10_rx;
-extern const struct modem_rx_info sm_hapn4800_pm8_rx;
-extern const struct modem_rx_info sm_hapn4800_pm10_rx;
-extern const struct modem_rx_info sm_fsk9600_4_rx;
-extern const struct modem_rx_info sm_fsk9600_5_rx;
-
-extern const struct hardware_info sm_hw_sbc;
-extern const struct hardware_info sm_hw_sbcfdx;
-extern const struct hardware_info sm_hw_wss;
-extern const struct hardware_info sm_hw_wssfdx;
-
-extern const struct modem_tx_info *sm_modem_tx_table[];
-extern const struct modem_rx_info *sm_modem_rx_table[];
-extern const struct hardware_info *sm_hardware_table[];
-
-/* --------------------------------------------------------------------- */
-
-void sm_output_status(struct sm_state *sm);
-/*void sm_output_open(struct sm_state *sm);*/
-/*void sm_output_close(struct sm_state *sm);*/
-
-/* --------------------------------------------------------------------- */
-
-extern void inline sm_int_freq(struct sm_state *sm)
-{
-#ifdef SM_DEBUG
-	unsigned long cur_jiffies = jiffies;
-	/*
-	 * measure the interrupt frequency
-	 */
-	sm->debug_vals.cur_intcnt++;
-	if ((cur_jiffies - sm->debug_vals.last_jiffies) >= HZ) {
-		sm->debug_vals.last_jiffies = cur_jiffies;
-		sm->debug_vals.last_intcnt = sm->debug_vals.cur_intcnt;
-		sm->debug_vals.cur_intcnt = 0;
-	}
-#endif /* SM_DEBUG */
-}
-
-/* --------------------------------------------------------------------- */
-#endif /* _SM_H */