2 * Copyright © 2008 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
22 ccdbg_debug_mode(struct ccdbg *dbg)
24 /* force two rising clocks while holding RESET_N low */
25 ccdbg_debug(CC_DEBUG_COMMAND, "#\n");
26 ccdbg_debug(CC_DEBUG_COMMAND, "# Debug mode\n");
27 ccdbg_debug(CC_DEBUG_COMMAND, "#\n");
28 ccdbg_send(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA|CC_RESET_N);
29 ccdbg_send(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_DATA );
30 ccdbg_send(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA );
31 ccdbg_send(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_DATA );
32 ccdbg_send(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA );
33 ccdbg_send(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_DATA|CC_RESET_N);
37 ccdbg_reset(struct ccdbg *dbg)
39 ccdbg_debug(CC_DEBUG_COMMAND, "#\n");
40 ccdbg_debug(CC_DEBUG_COMMAND, "# Reset\n");
41 ccdbg_debug(CC_DEBUG_COMMAND, "#\n");
42 ccdbg_send(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA|CC_RESET_N);
43 ccdbg_send(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA );
44 ccdbg_send(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA );
45 ccdbg_send(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA );
46 ccdbg_send(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA );
47 ccdbg_send(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA|CC_RESET_N);
51 ccdbg_read_status(struct ccdbg *dbg)
53 return ccdbg_cmd_write_read8(dbg, CC_READ_STATUS, NULL, 0);
57 ccdbg_rd_config(struct ccdbg *dbg)
59 return ccdbg_cmd_write_read8(dbg, CC_RD_CONFIG, NULL, 0);
63 ccdbg_get_chip_id(struct ccdbg *dbg)
65 return ccdbg_cmd_write_read16(dbg, CC_GET_CHIP_ID, NULL, 0);