cec/core/cec-pin-error-inj.c

240 static void cec_pin_show_cmd(struct seq_file *sf, u32 cmd, u8 mode)
243 		seq_puts(sf, "any,");
245 		seq_printf(sf, "0x%02x,", cmd);
248 		seq_puts(sf, "once ");
251 		seq_puts(sf, "always ");
254 		seq_puts(sf, "toggle ");
257 		seq_puts(sf, "off ");
262 int cec_pin_error_inj_show(struct cec_adapter *adap, struct seq_file *sf)
267 	seq_puts(sf, "# Clear error injections:\n");
268 	seq_puts(sf, "#   clear          clear all rx and tx error injections\n");
269 	seq_puts(sf, "#   rx-clear       clear all rx error injections\n");
270 	seq_puts(sf, "#   tx-clear       clear all tx error injections\n");
271 	seq_puts(sf, "#   <op> clear     clear all rx and tx error injections for <op>\n");
272 	seq_puts(sf, "#   <op> rx-clear  clear all rx error injections for <op>\n");
273 	seq_puts(sf, "#   <op> tx-clear  clear all tx error injections for <op>\n");
274 	seq_puts(sf, "#\n");
275 	seq_puts(sf, "# RX error injection:\n");
276 	seq_puts(sf, "#   <op>[,<mode>] rx-nack              NACK the message instead of sending an ACK\n");
277 	seq_puts(sf, "#   <op>[,<mode>] rx-low-drive <bit>   force a low-drive condition at this bit position\n");
278 	seq_puts(sf, "#   <op>[,<mode>] rx-add-byte          add a spurious byte to the received CEC message\n");
279 	seq_puts(sf, "#   <op>[,<mode>] rx-remove-byte       remove the last byte from the received CEC message\n");
280 	seq_puts(sf, "#    any[,<mode>] rx-arb-lost [<poll>] generate a POLL message to trigger an arbitration lost\n");
281 	seq_puts(sf, "#\n");
282 	seq_puts(sf, "# TX error injection settings:\n");
283 	seq_puts(sf, "#   tx-ignore-nack-until-eom           ignore early NACKs until EOM\n");
284 	seq_puts(sf, "#   tx-custom-low-usecs <usecs>        define the 'low' time for the custom pulse\n");
285 	seq_puts(sf, "#   tx-custom-high-usecs <usecs>       define the 'high' time for the custom pulse\n");
286 	seq_puts(sf, "#   tx-custom-pulse                    transmit the custom pulse once the bus is idle\n");
287 	seq_puts(sf, "#\n");
288 	seq_puts(sf, "# TX error injection:\n");
289 	seq_puts(sf, "#   <op>[,<mode>] tx-no-eom            don't set the EOM bit\n");
290 	seq_puts(sf, "#   <op>[,<mode>] tx-early-eom         set the EOM bit one byte too soon\n");
291 	seq_puts(sf, "#   <op>[,<mode>] tx-add-bytes <num>   append <num> (1-255) spurious bytes to the message\n");
292 	seq_puts(sf, "#   <op>[,<mode>] tx-remove-byte       drop the last byte from the message\n");
293 	seq_puts(sf, "#   <op>[,<mode>] tx-short-bit <bit>   make this bit shorter than allowed\n");
294 	seq_puts(sf, "#   <op>[,<mode>] tx-long-bit <bit>    make this bit longer than allowed\n");
295 	seq_puts(sf, "#   <op>[,<mode>] tx-custom-bit <bit>  send the custom pulse instead of this bit\n");
296 	seq_puts(sf, "#   <op>[,<mode>] tx-short-start       send a start pulse that's too short\n");
297 	seq_puts(sf, "#   <op>[,<mode>] tx-long-start        send a start pulse that's too long\n");
298 	seq_puts(sf, "#   <op>[,<mode>] tx-custom-start      send the custom pulse instead of the start pulse\n");
299 	seq_puts(sf, "#   <op>[,<mode>] tx-last-bit <bit>    stop sending after this bit\n");
300 	seq_puts(sf, "#   <op>[,<mode>] tx-low-drive <bit>   force a low-drive condition at this bit position\n");
301 	seq_puts(sf, "#\n");
302 	seq_puts(sf, "# <op>       CEC message opcode (0-255) or 'any'\n");
303 	seq_puts(sf, "# <mode>     'once' (default), 'always', 'toggle' or 'off'\n");
304 	seq_puts(sf, "# <bit>      CEC message bit (0-159)\n");
305 	seq_puts(sf, "#            10 bits per 'byte': bits 0-7: data, bit 8: EOM, bit 9: ACK\n");
306 	seq_puts(sf, "# <poll>     CEC poll message used to test arbitration lost (0x00-0xff, default 0x0f)\n");
307 	seq_puts(sf, "# <usecs>    microseconds (0-10000000, default 1000)\n");
309 	seq_puts(sf, "\nclear\n");
325 			cec_pin_show_cmd(sf, i, mode);
326 			seq_puts(sf, cmd);
328 				seq_printf(sf, " %u",
330 			seq_puts(sf, "\n");
335 		seq_puts(sf, "tx-ignore-nack-until-eom\n");
337 		seq_puts(sf, "tx-custom-pulse\n");
339 		seq_printf(sf, "tx-custom-low-usecs %u\n",
342 		seq_printf(sf, "tx-custom-high-usecs %u\n",