61 	struct rpi_ts *ts = input_get_drvdata(input);  in rpi_ts_poll()  local
70 	memcpy_fromio(&regs, ts->fw_regs_va, sizeof(regs));  in rpi_ts_poll()
78 		 ts->fw_regs_va + offsetof(struct rpi_ts_regs, num_points));  in rpi_ts_poll()
81 	    (regs.num_points == 0 && ts->known_ids == 0))  in rpi_ts_poll()
96 			touchscreen_report_pos(input, &ts->prop, x, y, true);  in rpi_ts_poll()
100 	released_ids = ts->known_ids & ~modified_ids;  in rpi_ts_poll()
106 	ts->known_ids = modified_ids;  in rpi_ts_poll()
114 	struct rpi_ts *ts = data;  in rpi_ts_dma_cleanup()  local
115 	struct device *dev = &ts->pdev->dev;  in rpi_ts_dma_cleanup()
117 	dma_free_coherent(dev, PAGE_SIZE, ts->fw_regs_va, ts->fw_regs_phys);  in rpi_ts_dma_cleanup()
126 	struct rpi_ts *ts;  in rpi_ts_probe()  local
140 	ts = devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL);  in rpi_ts_probe()
141 	if (!ts)  in rpi_ts_probe()
143 	ts->pdev = pdev;  in rpi_ts_probe()
145 	ts->fw_regs_va = dma_alloc_coherent(dev, PAGE_SIZE, &ts->fw_regs_phys,  in rpi_ts_probe()
147 	if (!ts->fw_regs_va) {  in rpi_ts_probe()
152 	error = devm_add_action_or_reset(dev, rpi_ts_dma_cleanup, ts);  in rpi_ts_probe()
158 	touchbuf = (u32)ts->fw_regs_phys;  in rpi_ts_probe()
172 	ts->input = input;  in rpi_ts_probe()
173 	input_set_drvdata(input, ts);  in rpi_ts_probe()
182 	touchscreen_parse_properties(input, true, &ts->prop);  in rpi_ts_probe()