Lines Matching defs:kscandat
72 static void lpc32xx_mod_states(struct lpc32xx_kscan_drv *kscandat, int col)
74 struct input_dev *input = kscandat->input;
78 key = readl(LPC32XX_KS_DATA(kscandat->kscan_base, col));
79 changed = key ^ kscandat->lastkeystates[col];
80 kscandat->lastkeystates[col] = key;
86 kscandat->row_shift);
87 keycode = kscandat->keymap[scancode];
96 struct lpc32xx_kscan_drv *kscandat = dev_id;
99 for (i = 0; i < kscandat->matrix_sz; i++)
100 lpc32xx_mod_states(kscandat, i);
102 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base));
104 input_sync(kscandat->input);
111 struct lpc32xx_kscan_drv *kscandat = input_get_drvdata(dev);
114 error = clk_prepare_enable(kscandat->clk);
118 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base));
125 struct lpc32xx_kscan_drv *kscandat = input_get_drvdata(dev);
127 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base));
128 clk_disable_unprepare(kscandat->clk);
132 struct lpc32xx_kscan_drv *kscandat)
146 kscandat->matrix_sz = rows;
147 kscandat->row_shift = get_count_order(columns);
149 of_property_read_u32(np, "nxp,debounce-delay-ms", &kscandat->deb_clks);
150 of_property_read_u32(np, "nxp,scan-delay-ms", &kscandat->scan_delay);
151 if (!kscandat->deb_clks || !kscandat->scan_delay) {
161 struct lpc32xx_kscan_drv *kscandat;
178 kscandat = devm_kzalloc(&pdev->dev, sizeof(*kscandat),
180 if (!kscandat)
183 error = lpc32xx_parse_dt(&pdev->dev, kscandat);
189 keymap_size = sizeof(kscandat->keymap[0]) *
190 (kscandat->matrix_sz << kscandat->row_shift);
191 kscandat->keymap = devm_kzalloc(&pdev->dev, keymap_size, GFP_KERNEL);
192 if (!kscandat->keymap)
195 kscandat->input = input = devm_input_allocate_device(&pdev->dev);
214 kscandat->matrix_sz,
215 kscandat->matrix_sz,
216 kscandat->keymap, kscandat->input);
222 input_set_drvdata(kscandat->input, kscandat);
224 kscandat->kscan_base = devm_ioremap_resource(&pdev->dev, res);
225 if (IS_ERR(kscandat->kscan_base))
226 return PTR_ERR(kscandat->kscan_base);
229 kscandat->clk = devm_clk_get(&pdev->dev, NULL);
230 if (IS_ERR(kscandat->clk)) {
232 return PTR_ERR(kscandat->clk);
236 error = clk_prepare_enable(kscandat->clk);
240 writel(kscandat->deb_clks, LPC32XX_KS_DEB(kscandat->kscan_base));
241 writel(kscandat->scan_delay, LPC32XX_KS_SCAN_CTL(kscandat->kscan_base));
243 LPC32XX_KS_FAST_TST(kscandat->kscan_base));
244 writel(kscandat->matrix_sz,
245 LPC32XX_KS_MATRIX_DIM(kscandat->kscan_base));
246 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base));
247 clk_disable_unprepare(kscandat->clk);
250 pdev->name, kscandat);
256 error = input_register_device(kscandat->input);
262 platform_set_drvdata(pdev, kscandat);
271 struct lpc32xx_kscan_drv *kscandat = platform_get_drvdata(pdev);
272 struct input_dev *input = kscandat->input;
278 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base));
279 clk_disable_unprepare(kscandat->clk);
289 struct lpc32xx_kscan_drv *kscandat = platform_get_drvdata(pdev);
290 struct input_dev *input = kscandat->input;
297 retval = clk_prepare_enable(kscandat->clk);
299 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base));