15  * generic STM API by Chunyan Zhang
24 #include <linux/coresight-stm.h>
31 #include <linux/stm.h>
112 DEFINE_CORESIGHT_DEVLIST(stm_devs, "stm");
115  * struct stm_drvdata - specifics associated to an STM component
117  * @atclk:		optional clock for the core parts of the STM.
120  * @chs:		the channels accociated to this STM.
121  * @stm:		structure associated to the generic STM interface.
124  * @write_bytes:	Maximus bytes this STM can write at a time.
127  * @numsp:		the total number of stimulus port support by this STM.
138 	struct stm_data		stm;  member
189 			0x01),			 /* global STM enable */  in stm_enable_hw()
216 	dev_dbg(&csdev->dev, "STM tracing enabled\n");  in stm_enable()
248 	val &= ~0x1; /* clear global STM enable [0] */  in stm_disable_hw()
280 		dev_dbg(&csdev->dev, "STM tracing disabled\n");  in stm_disable()
333 						   struct stm_drvdata, stm);  in stm_generic_link()
344 						   struct stm_drvdata, stm);  in stm_generic_unlink()
356 						   struct stm_drvdata, stm);  in stm_mmio_addr()
375 						   struct stm_drvdata, stm);  in stm_generic_set_options()
408 						   struct stm_drvdata, stm);  in stm_generic_packet()
434 		 * The generic STM core sets a size of '0' on flag packets.  in stm_generic_packet()
661 		if (strcmp("stm-stimulus-base", name)) {  in of_stm_get_stimulus_area()
699 	 * The stimulus base for STM device must be listed as the second memory  in acpi_stm_get_stimulus_area()
789 	drvdata->stm.name = name;  in stm_init_generic_data()
795 	drvdata->stm.sw_start = 1;  in stm_init_generic_data()
796 	drvdata->stm.sw_end = 1;  in stm_init_generic_data()
797 	drvdata->stm.hw_override = true;  in stm_init_generic_data()
798 	drvdata->stm.sw_nchannels = drvdata->numsp;  in stm_init_generic_data()
799 	drvdata->stm.sw_mmiosz = BYTES_PER_CHANNEL;  in stm_init_generic_data()
800 	drvdata->stm.packet = stm_generic_packet;  in stm_init_generic_data()
801 	drvdata->stm.mmio_addr = stm_mmio_addr;  in stm_init_generic_data()
802 	drvdata->stm.link = stm_generic_link;  in stm_init_generic_data()
803 	drvdata->stm.unlink = stm_generic_unlink;  in stm_init_generic_data()
804 	drvdata->stm.set_options = stm_generic_set_options;  in stm_init_generic_data()
867 	if (stm_register_device(dev, &drvdata->stm, THIS_MODULE)) {  in stm_probe()
910 	stm_unregister_device(&drvdata->stm);  in stm_probe()
921 	stm_unregister_device(&drvdata->stm);  in stm_remove()
960 		.name   = "coresight-stm",