30  * etr_perf_buffer - Perf buffer used for ETR
31  * @drvdata		- The ETR drvdaga this buffer has been allocated for.
32  * @etr_buf		- Actual buffer used by the ETR
47 /* Convert the perf index to an offset within the ETR buffer */
50 /* Lower limit for ETR hardware buffer */
54  * The TMC ETR SG has a page size of 4K. The SG table contains pointers
99  * struct etr_sg_table : ETR SG Table
552  * tmc_init_etr_sg_table: Allocate a TMC ETR SG table, data buffer of @size and
768  * TMC ETR could be connected to a CATU device, which can provide address
770  * (ETR) connected to the input port of the CATU.
779 	struct coresight_device *tmp, *etr = drvdata->csdev;  in tmc_etr_get_catu_device()  local
784 	for (i = 0; i < etr->pdata->nr_outport; i++) {  in tmc_etr_get_catu_device()
785 		tmp = etr->pdata->conns[i].child_dev;  in tmc_etr_get_catu_device()
853  * tmc_alloc_etr_buf: Allocate a buffer use by ETR.
854  * @drvdata	: ETR device details.
887 	 *  a) The ETR cannot use Scatter-Gather.  in tmc_alloc_etr_buf()
1054 	 * If this ETR is connected to a CATU, enable it before we turn  in tmc_etr_enable_hw()
1152 	/* Disable CATU device if this ETR is connected to one */  in tmc_etr_disable_hw()
1155 	/* Reset the ETR buf used by hardware */  in tmc_etr_disable_hw()
1167 	 * If we are enabling the ETR from disabled state, we need to make  in tmc_enable_etr_sink_sysfs()
1226 		dev_dbg(&csdev->dev, "TMC-ETR enabled\n");  in tmc_enable_etr_sink_sysfs()
1232  * alloc_etr_buf: Allocate ETR buffer for use by perf.
1259 	 * Else switch to configured size for this ETR  in alloc_etr_buf()
1291 	 * event but a single etr_buf associated with the ETR is shared between  in get_perf_etr_buf_cpu_wide()
1387 	 * Keep a reference to the ETR this buffer has been allocated for  in tmc_etr_setup_perf_buf()
1407 		dev_dbg(&csdev->dev, "Unable to allocate ETR buffer\n");  in tmc_alloc_etr_buffer()
1549 	 * The ETR buffer may be bigger than the space available in the  in tmc_update_etr_buffer()
1697 	dev_dbg(&csdev->dev, "TMC-ETR disabled\n");  in tmc_disable_etr_sink()
1729 	 * We can safely allow reads even if the ETR is operating in PERF mode,  in tmc_read_prepare_etr()
1770 		 * The ETR is not tracing and the buffer was just read.  in tmc_read_unprepare_etr()