| /* |
| * 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 */ |