diff options
Diffstat (limited to 'carl9170fw/tools/carlu/src/cmd.h')
| -rw-r--r-- | carl9170fw/tools/carlu/src/cmd.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/carl9170fw/tools/carlu/src/cmd.h b/carl9170fw/tools/carlu/src/cmd.h new file mode 100644 index 0000000..ccc9a43 --- /dev/null +++ b/carl9170fw/tools/carlu/src/cmd.h @@ -0,0 +1,135 @@ +/* + * carlu - userspace testing utility for ar9170 devices + * + * register/memory/command access functions + * + * Copyright 2009-2011 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; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef __CARL9170USER_CMD_H +#define __CARL9170USER_CMD_H + +#include "carlu.h" + +int carlu_cmd_echo(struct carlu *ar, const uint32_t message); +int carlu_cmd_reboot(struct carlu *ar); +int carlu_cmd_read_eeprom(struct carlu *ar); +int carlu_cmd_mem_dump(struct carlu *ar, const uint32_t start, + const unsigned int len, void *_buf); +int carlu_cmd_write_mem(struct carlu *ar, const uint32_t addr, + const uint32_t val); +int carlu_cmd_mem_watch(struct carlu *ar, const uint32_t mem, + const unsigned int len, void *_buf); + +struct carl9170_cmd *carlu_cmd_buf(struct carlu *ar, + const enum carl9170_cmd_oids cmd, const unsigned int len); + +#define PAYLOAD_MAX (CARL9170_MAX_CMD_LEN / 4 - 1) +/* + * 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 carlu_regwrite_begin(ar) \ +do { \ + struct carlu *__ar = ar; \ + unsigned int __nreg = 0; \ + int __err = 0; \ + uint32_t __dummy; + +#define carlu_regwrite_flush() \ + if (__nreg) { \ + __err = carlusb_cmd(__ar, CARL9170_CMD_WREG, \ + (u8 *)&__ar->cmd.cmd.data, 8 * __nreg, \ + (u8 *)&__dummy, sizeof(__dummy)); \ + __nreg = 0; \ + if (__err) \ + goto __regwrite_out; \ + } + +#define carlu_regwrite(r, v) do { \ + __ar->cmd.buf4[2 * __nreg + 1] = cpu_to_le32(r); \ + __ar->cmd.buf4[2 * __nreg + 2] = cpu_to_le32(v); \ + __nreg++; \ + if ((__nreg >= PAYLOAD_MAX / 2)) { \ + __err = carlusb_cmd(__ar, CARL9170_CMD_WREG, \ + (u8 *)&__ar->cmd.cmd.data, 8 * __nreg, \ + (u8 *)&__dummy, sizeof(__dummy)); \ + \ + __nreg = 0; \ + if (__err) \ + goto __regwrite_out; \ + } \ +} while (0) + +#define carlu_regwrite_finish() \ +__regwrite_out : \ + if (__err == 0 && __nreg) \ + carlu_regwrite_flush(); + +#define carlu_regwrite_result() \ + __err; \ +} while (0); + + +#define carlu_async_get_buf() \ +do { \ + __cmd = carlu_cmd_buf(__carl, CARL9170_CMD_WREG_ASYNC, \ + CARL9170_MAX_CMD_PAYLOAD_LEN); \ + if (IS_ERR_OR_NULL(__cmd)) { \ + __err = __cmd ? PTR_ERR(__cmd) : -ENOMEM; \ + goto __async_regwrite_out; \ + } \ +} while (0); + +#define carlu_async_regwrite_begin(carl) \ +do { \ + int __nreg = 0, __err = 0; \ + struct carlu *__carl = carl; \ + struct carl9170_cmd *__cmd; \ + carlu_async_get_buf(); \ + +#define carlu_async_regwrite_flush() \ + if (__nreg) { \ + __cmd->hdr.len = 8 * __nreg; \ + __err = carlusb_cmd_async(__carl, __cmd, true); \ + __nreg = 0; \ + if (__err) \ + goto __async_regwrite_out; \ + __cmd = NULL; \ + carlu_async_get_buf(); \ + } + +#define carlu_async_regwrite(r, v) do { \ + __cmd->wreg.regs[__nreg].addr = cpu_to_le32(r); \ + __cmd->wreg.regs[__nreg].val = cpu_to_le32(v); \ + __nreg++; \ + if ((__nreg >= PAYLOAD_MAX / 2)) \ + carlu_async_regwrite_flush(); \ +} while (0) + +#define carlu_async_regwrite_finish() \ +__async_regwrite_out : \ + if (__err == 0 && __nreg) \ + carlu_async_regwrite_flush(); + +#define carlu_async_regwrite_result() \ + __err; \ +} while (0); + +#endif /* __CARL9170USER_CMD_H */ |