1 files changed, 173 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/carl9170/cmd.h b/drivers/net/wireless/ath/carl9170/cmd.h
new file mode 100644
index 000000000000..568174c71b94
--- /dev/null
+++ b/drivers/net/wireless/ath/carl9170/cmd.h
@@ -0,0 +1,173 @@
+/*
+ * Atheros CARL9170 driver
+ *
+ * Basic HW register/memory/command access functions
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2010, Christian Lamparter <chunkeey@googlemail.com>
+ *
+ * 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; see the file COPYING.  If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *    Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ *    Permission to use, copy, modify, and/or distribute this software for any
+ *    purpose with or without fee is hereby granted, provided that the above
+ *    copyright notice and this permission notice appear in all copies.
+ *
+ *    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef __CMD_H
+#define __CMD_H
+#include "carl9170.h"
+/* basic HW access */
+int carl9170_write_reg(struct ar9170 *ar, const u32 reg, const u32 val);
+int carl9170_read_reg(struct ar9170 *ar, const u32 reg, u32 *val);
+int carl9170_read_mreg(struct ar9170 *ar, const int nregs,
+                       const u32 *regs, u32 *out);
+int carl9170_echo_test(struct ar9170 *ar, u32 v);
+int carl9170_reboot(struct ar9170 *ar);
+int carl9170_mac_reset(struct ar9170 *ar);
+int carl9170_powersave(struct ar9170 *ar, const bool power_on);
+int carl9170_bcn_ctrl(struct ar9170 *ar, const unsigned int vif_id,
+                       const u32 mode, const u32 addr, const u32 len);
+static inline int carl9170_flush_cab(struct ar9170 *ar,
+                                     const unsigned int vif_id)
+{
+        return carl9170_bcn_ctrl(ar, vif_id, CARL9170_BCN_CTRL_DRAIN, 0, 0);
+}
+static inline int carl9170_rx_filter(struct ar9170 *ar,
+                                     const unsigned int _rx_filter)
+{
+        __le32 rx_filter = cpu_to_le32(_rx_filter);
+        return carl9170_exec_cmd(ar, CARL9170_CMD_RX_FILTER,
+                                sizeof(rx_filter), (u8 *)&rx_filter,
+                                0, NULL);
+}
+struct carl9170_cmd *carl9170_cmd_buf(struct ar9170 *ar,
+        const enum carl9170_cmd_oids cmd, const unsigned int len);
+/*
+ * Macros to facilitate writing multiple registers in a single
+ * write-combining USB command. Note that when the first group
+ * fails the whole thing will fail without any others attempted,
+ * but you won't know which write in the group failed.
+ */
+#define carl9170_regwrite_begin(ar)                                     \
+do {                                                                    \
+        int __nreg = 0, __err = 0;                                      \
+        struct ar9170 *__ar = ar;
+#define carl9170_regwrite(r, v) do {                                    \
+        __ar->cmd_buf[2 * __nreg + 1] = cpu_to_le32(r);                 \
+        __ar->cmd_buf[2 * __nreg + 2] = cpu_to_le32(v);                 \
+        __nreg++;                                                       \
+        if ((__nreg >= PAYLOAD_MAX/2)) {                                \
+                if (IS_ACCEPTING_CMD(__ar))                             \
+                        __err = carl9170_exec_cmd(__ar,                 \
+                                CARL9170_CMD_WREG, 8 * __nreg,          \
+                                (u8 *) &__ar->cmd_buf[1], 0, NULL);     \
+                else                                                    \
+                        goto __regwrite_out;                            \
+                                                                        \
+                __nreg = 0;                                             \
+                if (__err)                                              \
+                        goto __regwrite_out;                            \
+        }                                                               \
+} while (0)
+#define carl9170_regwrite_finish()                                      \
+__regwrite_out :                                                        \
+        if (__err == 0 && __nreg) {                                     \
+                if (IS_ACCEPTING_CMD(__ar))                             \
+                        __err = carl9170_exec_cmd(__ar,                 \
+                                CARL9170_CMD_WREG, 8 * __nreg,          \
+                                (u8 *) &__ar->cmd_buf[1], 0, NULL);     \
+                __nreg = 0;                                             \
+        }
+#define carl9170_regwrite_result()                                      \
+        __err;                                                          \
+} while (0);
+#define carl9170_async_regwrite_get_buf()                               \
+do {                                                                    \
+        __nreg = 0;                                                     \
+        __cmd = carl9170_cmd_buf(__carl, CARL9170_CMD_WREG_ASYNC,       \
+                                 CARL9170_MAX_CMD_PAYLOAD_LEN);         \
+        if (__cmd == NULL) {                                            \
+                __err = -ENOMEM;                                        \
+                goto __async_regwrite_out;                              \
+        }                                                               \
+} while (0);
+#define carl9170_async_regwrite_begin(carl)                             \
+do {                                                                    \
+        struct ar9170 *__carl = carl;                                   \
+        struct carl9170_cmd *__cmd;                                     \
+        unsigned int __nreg;                                            \
+        int  __err = 0;                                                 \
+        carl9170_async_regwrite_get_buf();                              \
+#define carl9170_async_regwrite_flush()                                 \
+do {                                                                    \
+        if (__cmd == NULL || __nreg == 0)                               \
+                break;                                                  \
+                                                                        \
+        if (IS_ACCEPTING_CMD(__carl) && __nreg) {                       \
+                __cmd->hdr.len = 8 * __nreg;                            \
+                __err = __carl9170_exec_cmd(__carl, __cmd, true);       \
+                __cmd = NULL;                                           \
+                break;                                                  \
+        }                                                               \
+        goto __async_regwrite_out;                                      \
+} while (0)
+#define carl9170_async_regwrite(r, v) do {                              \
+        if (__cmd == NULL)                                              \
+                carl9170_async_regwrite_get_buf();                      \
+        __cmd->wreg.regs[__nreg].addr = cpu_to_le32(r);                 \
+        __cmd->wreg.regs[__nreg].val = cpu_to_le32(v);                  \
+        __nreg++;                                                       \
+        if ((__nreg >= PAYLOAD_MAX / 2))                                \
+                carl9170_async_regwrite_flush();                        \
+} while (0)
+#define carl9170_async_regwrite_finish() do {                           \
+__async_regwrite_out :                                                  \
+        if (__cmd != NULL && __err == 0)                                \
+                carl9170_async_regwrite_flush();                        \
+        kfree(__cmd);                                                   \
+} while (0)                                                             \
+#define carl9170_async_regwrite_result()                                \
+        __err;                                                          \
+} while (0);
+#endif /* __CMD_H */

diff --git a/drivers/net/wireless/ath/carl9170/cmd.h b/drivers/net/wireless/ath/carl9170/cmd.h new file mode 100644 index 000000000000..568174c71b94 --- /dev/null +++ b/drivers/net/wireless/ath/carl9170/cmd.h
@@ -0,0 +1,173 @@
	1	/*
	2	* Atheros CARL9170 driver
	3	*
	4	* Basic HW register/memory/command access functions
	5	*
	6	* Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
	7	* Copyright 2010, Christian Lamparter <chunkeey@googlemail.com>
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; either version 2 of the License, or
	12	* (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; see the file COPYING. If not, see
	21	* http://www.gnu.org/licenses/.
	22	*
	23	* This file incorporates work covered by the following copyright and
	24	* permission notice:
	25	* Copyright (c) 2007-2008 Atheros Communications, Inc.
	26	*
	27	* Permission to use, copy, modify, and/or distribute this software for any
	28	* purpose with or without fee is hereby granted, provided that the above
	29	* copyright notice and this permission notice appear in all copies.
	30	*
	31	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	32	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	33	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	34	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	35	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	36	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	37	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	38	*/
	39	#ifndef __CMD_H
	40	#define __CMD_H
	41
	42	#include "carl9170.h"
	43
	44	/* basic HW access */
	45	int carl9170_write_reg(struct ar9170 *ar, const u32 reg, const u32 val);
	46	int carl9170_read_reg(struct ar9170 ar, const u32 reg, u32 val);
	47	int carl9170_read_mreg(struct ar9170 *ar, const int nregs,
	48	const u32 regs, u32 out);
	49	int carl9170_echo_test(struct ar9170 *ar, u32 v);
	50	int carl9170_reboot(struct ar9170 *ar);
	51	int carl9170_mac_reset(struct ar9170 *ar);
	52	int carl9170_powersave(struct ar9170 *ar, const bool power_on);
	53	int carl9170_bcn_ctrl(struct ar9170 *ar, const unsigned int vif_id,
	54	const u32 mode, const u32 addr, const u32 len);
	55
	56	static inline int carl9170_flush_cab(struct ar9170 *ar,
	57	const unsigned int vif_id)
	58	{
	59	return carl9170_bcn_ctrl(ar, vif_id, CARL9170_BCN_CTRL_DRAIN, 0, 0);
	60	}
	61
	62	static inline int carl9170_rx_filter(struct ar9170 *ar,
	63	const unsigned int _rx_filter)
	64	{
	65	__le32 rx_filter = cpu_to_le32(_rx_filter);
	66
	67	return carl9170_exec_cmd(ar, CARL9170_CMD_RX_FILTER,
	68	sizeof(rx_filter), (u8 *)&rx_filter,
	69	0, NULL);
	70	}
	71
	72	struct carl9170_cmd carl9170_cmd_buf(struct ar9170 ar,
	73	const enum carl9170_cmd_oids cmd, const unsigned int len);
	74
	75	/*
	76	* Macros to facilitate writing multiple registers in a single
	77	* write-combining USB command. Note that when the first group
	78	* fails the whole thing will fail without any others attempted,
	79	* but you won't know which write in the group failed.
	80	*/
	81	#define carl9170_regwrite_begin(ar) \
	82	do { \
	83	int __nreg = 0, __err = 0; \
	84	struct ar9170 *__ar = ar;
	85
	86	#define carl9170_regwrite(r, v) do { \
	87	__ar->cmd_buf[2 * __nreg + 1] = cpu_to_le32(r); \
	88	__ar->cmd_buf[2 * __nreg + 2] = cpu_to_le32(v); \
	89	__nreg++; \
	90	if ((__nreg >= PAYLOAD_MAX/2)) { \
	91	if (IS_ACCEPTING_CMD(__ar)) \
	92	__err = carl9170_exec_cmd(__ar, \
	93	CARL9170_CMD_WREG, 8 * __nreg, \
	94	(u8 *) &__ar->cmd_buf[1], 0, NULL); \
	95	else \
	96	goto __regwrite_out; \
	97	\
	98	__nreg = 0; \
	99	if (__err) \
	100	goto __regwrite_out; \
	101	} \
	102	} while (0)
	103
	104	#define carl9170_regwrite_finish() \
	105	__regwrite_out : \
	106	if (__err == 0 && __nreg) { \
	107	if (IS_ACCEPTING_CMD(__ar)) \
	108	__err = carl9170_exec_cmd(__ar, \
	109	CARL9170_CMD_WREG, 8 * __nreg, \
	110	(u8 *) &__ar->cmd_buf[1], 0, NULL); \
	111	__nreg = 0; \
	112	}
	113
	114	#define carl9170_regwrite_result() \
	115	__err; \
	116	} while (0);
	117
	118
	119	#define carl9170_async_regwrite_get_buf() \
	120	do { \
	121	__nreg = 0; \
	122	__cmd = carl9170_cmd_buf(__carl, CARL9170_CMD_WREG_ASYNC, \
	123	CARL9170_MAX_CMD_PAYLOAD_LEN); \
	124	if (__cmd == NULL) { \
	125	__err = -ENOMEM; \
	126	goto __async_regwrite_out; \
	127	} \
	128	} while (0);
	129
	130	#define carl9170_async_regwrite_begin(carl) \
	131	do { \
	132	struct ar9170 *__carl = carl; \
	133	struct carl9170_cmd *__cmd; \
	134	unsigned int __nreg; \
	135	int __err = 0; \
	136	carl9170_async_regwrite_get_buf(); \
	137
	138	#define carl9170_async_regwrite_flush() \
	139	do { \
	140	if (__cmd == NULL \|\| __nreg == 0) \
	141	break; \
	142	\
	143	if (IS_ACCEPTING_CMD(__carl) && __nreg) { \
	144	__cmd->hdr.len = 8 * __nreg; \
	145	__err = __carl9170_exec_cmd(__carl, __cmd, true); \
	146	__cmd = NULL; \
	147	break; \
	148	} \
	149	goto __async_regwrite_out; \
	150	} while (0)
	151
	152	#define carl9170_async_regwrite(r, v) do { \
	153	if (__cmd == NULL) \
	154	carl9170_async_regwrite_get_buf(); \
	155	__cmd->wreg.regs[__nreg].addr = cpu_to_le32(r); \
	156	__cmd->wreg.regs[__nreg].val = cpu_to_le32(v); \
	157	__nreg++; \
	158	if ((__nreg >= PAYLOAD_MAX / 2)) \
	159	carl9170_async_regwrite_flush(); \
	160	} while (0)
	161
	162	#define carl9170_async_regwrite_finish() do { \
	163	__async_regwrite_out : \
	164	if (__cmd != NULL && __err == 0) \
	165	carl9170_async_regwrite_flush(); \
	166	kfree(__cmd); \
	167	} while (0) \
	168
	169	#define carl9170_async_regwrite_result() \
	170	__err; \
	171	} while (0);
	172
	173	#endif /* __CMD_H */