4  * "DSP0233 Management Component Transport Protocol (MCTP) I3C Transport
13 #include <linux/i3c/device.h>
14 #include <linux/i3c/master.h>
73 	struct i3c_device *i3c;  member
82 	/* I3C dynamic address */
128 	/* Make sure netif_rx() is read in the same order as i3c. */  in mctp_i3c_read()
130 	rc = i3c_device_do_priv_xfers(mi->i3c, &xfer, 1);  in mctp_i3c_read()
135 		/* Bad i3c bus driver */  in mctp_i3c_read()
179 static void mctp_i3c_ibi_handler(struct i3c_device *i3c,  in mctp_i3c_ibi_handler()  argument
182 	struct mctp_i3c_device *mi = i3cdev_get_drvdata(i3c);  in mctp_i3c_ibi_handler()
190 				/* Not a mctp-i3c interrupt, ignore it */  in mctp_i3c_ibi_handler()
197 			dev_warn_once(i3cdev_to_dev(i3c), "IBI with missing MDB");  in mctp_i3c_ibi_handler()
214 	i3c_device_get_info(mi->i3c, &info);  in mctp_i3c_setup()
221 	rc = i3c_device_request_ibi(mi->i3c, &ibi);  in mctp_i3c_setup()
225 		 * (ENOTSUPP is from the i3c layer, not EOPNOTSUPP).  in mctp_i3c_setup()
227 		dev_warn(i3cdev_to_dev(mi->i3c),  in mctp_i3c_setup()
231 		dev_err(i3cdev_to_dev(mi->i3c),  in mctp_i3c_setup()
236 	rc = i3c_device_enable_ibi(mi->i3c);  in mctp_i3c_setup()
241 		dev_err(i3cdev_to_dev(mi->i3c), "Failed enabling IBI (%d)\n", rc);  in mctp_i3c_setup()
248 	i3c_device_free_ibi(mi->i3c);  in mctp_i3c_setup()
256 			       struct i3c_device *i3c)  in mctp_i3c_add_device()  argument
268 	mi->i3c = i3c;  in mctp_i3c_add_device()
272 	i3cdev_set_drvdata(i3c, mi);  in mctp_i3c_add_device()
284 	dev_warn(i3cdev_to_dev(i3c), "Error adding mctp-i3c device, %d\n", rc);  in mctp_i3c_add_device()
288 static int mctp_i3c_probe(struct i3c_device *i3c)  in mctp_i3c_probe()  argument
295 		if (b->bus == i3c->bus) {  in mctp_i3c_probe()
302 		/* probably no "mctp-controller" property on the i3c bus */  in mctp_i3c_probe()
306 	return mctp_i3c_add_device(mbus, i3c);  in mctp_i3c_probe()
316 	i3c_device_disable_ibi(mi->i3c);  in mctp_i3c_remove_device()
317 	i3c_device_free_ibi(mi->i3c);  in mctp_i3c_remove_device()
320 	i3cdev_set_drvdata(mi->i3c, NULL);  in mctp_i3c_remove_device()
328 static void mctp_i3c_remove(struct i3c_device *i3c)  in mctp_i3c_remove()  argument
330 	struct mctp_i3c_device *mi = i3cdev_get_drvdata(i3c);  in mctp_i3c_remove()
380 		/* I3C endpoint went away after the packet was enqueued? */  in mctp_i3c_xmit()
412 	rc = i3c_device_do_priv_xfers(mi->i3c, &xfer, 1);  in mctp_i3c_xmit()
604 		dev_err(&ndev->dev, "No I3C PID available\n");  in mctp_i3c_bus_add()
652 /* Removes all mctp-i3c busses */
722 		.name = "mctp-i3c",
756 		pr_warn("MCTP I3C could not unregister notifier, %d\n", rc);  in mctp_i3c_mod_exit()
764 MODULE_DEVICE_TABLE(i3c, mctp_i3c_ids);
765 MODULE_DESCRIPTION("MCTP I3C device");