15  * generic STM API by Chunyan Zhang
24 #include <linux/coresight-stm.h>
31 #include <linux/stm.h>
111 DEFINE_CORESIGHT_DEVLIST(stm_devs, "stm");
114  * struct stm_drvdata - specifics associated to an STM component
116  * @atclk:		optional clock for the core parts of the STM.
119  * @chs:		the channels accociated to this STM.
120  * @stm:		structure associated to the generic STM interface.
123  * @write_bytes:	Maximus bytes this STM can write at a time.
126  * @numsp:		the total number of stimulus port support by this STM.
137 	struct stm_data		stm;  member
188 			0x01),			 /* global STM enable */  in stm_enable_hw()
215 	dev_dbg(&csdev->dev, "STM tracing enabled\n");  in stm_enable()
247 	val &= ~0x1; /* clear global STM enable [0] */  in stm_disable_hw()
279 		dev_dbg(&csdev->dev, "STM tracing disabled\n");  in stm_disable()
340 						   struct stm_drvdata, stm);  in stm_generic_link()
351 						   struct stm_drvdata, stm);  in stm_generic_unlink()
363 						   struct stm_drvdata, stm);  in stm_mmio_addr()
382 						   struct stm_drvdata, stm);  in stm_generic_set_options()
415 						   struct stm_drvdata, stm);  in stm_generic_packet()
441 		 * The generic STM core sets a size of '0' on flag packets.  in stm_generic_packet()
685 		if (strcmp("stm-stimulus-base", name)) {  in of_stm_get_stimulus_area()
723 	 * The stimulus base for STM device must be listed as the second memory  in acpi_stm_get_stimulus_area()
809 	 * also reserved the STM trace ID needs to be higher than 0x00 and  in stm_init_default_data()
821 	drvdata->stm.name = name;  in stm_init_generic_data()
827 	drvdata->stm.sw_start = 1;  in stm_init_generic_data()
828 	drvdata->stm.sw_end = 1;  in stm_init_generic_data()
829 	drvdata->stm.hw_override = true;  in stm_init_generic_data()
830 	drvdata->stm.sw_nchannels = drvdata->numsp;  in stm_init_generic_data()
831 	drvdata->stm.sw_mmiosz = BYTES_PER_CHANNEL;  in stm_init_generic_data()
832 	drvdata->stm.packet = stm_generic_packet;  in stm_init_generic_data()
833 	drvdata->stm.mmio_addr = stm_mmio_addr;  in stm_init_generic_data()
834 	drvdata->stm.link = stm_generic_link;  in stm_init_generic_data()
835 	drvdata->stm.unlink = stm_generic_unlink;  in stm_init_generic_data()
836 	drvdata->stm.set_options = stm_generic_set_options;  in stm_init_generic_data()
899 	if (stm_register_device(dev, &drvdata->stm, THIS_MODULE)) {  in stm_probe()
932 	stm_unregister_device(&drvdata->stm);  in stm_probe()
942 	stm_unregister_device(&drvdata->stm);  in stm_remove()
981 		.name   = "coresight-stm",