Lines Matching refs: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;
171 kscandat = devm_kzalloc(&pdev->dev, sizeof(*kscandat),
173 if (!kscandat)
176 error = lpc32xx_parse_dt(&pdev->dev, kscandat);
182 keymap_size = sizeof(kscandat->keymap[0]) *
183 (kscandat->matrix_sz << kscandat->row_shift);
184 kscandat->keymap = devm_kzalloc(&pdev->dev, keymap_size, GFP_KERNEL);
185 if (!kscandat->keymap)
188 kscandat->input = input = devm_input_allocate_device(&pdev->dev);
207 kscandat->matrix_sz,
208 kscandat->matrix_sz,
209 kscandat->keymap, kscandat->input);
215 input_set_drvdata(kscandat->input, kscandat);
217 kscandat->kscan_base = devm_platform_ioremap_resource(pdev, 0);
218 if (IS_ERR(kscandat->kscan_base))
219 return PTR_ERR(kscandat->kscan_base);
222 kscandat->clk = devm_clk_get(&pdev->dev, NULL);
223 if (IS_ERR(kscandat->clk)) {
225 return PTR_ERR(kscandat->clk);
229 error = clk_prepare_enable(kscandat->clk);
233 writel(kscandat->deb_clks, LPC32XX_KS_DEB(kscandat->kscan_base));
234 writel(kscandat->scan_delay, LPC32XX_KS_SCAN_CTL(kscandat->kscan_base));
236 LPC32XX_KS_FAST_TST(kscandat->kscan_base));
237 writel(kscandat->matrix_sz,
238 LPC32XX_KS_MATRIX_DIM(kscandat->kscan_base));
239 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base));
240 clk_disable_unprepare(kscandat->clk);
243 pdev->name, kscandat);
249 error = input_register_device(kscandat->input);
255 platform_set_drvdata(pdev, kscandat);
263 struct lpc32xx_kscan_drv *kscandat = platform_get_drvdata(pdev);
264 struct input_dev *input = kscandat->input;
270 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base));
271 clk_disable_unprepare(kscandat->clk);
281 struct lpc32xx_kscan_drv *kscandat = platform_get_drvdata(pdev);
282 struct input_dev *input = kscandat->input;
289 retval = clk_prepare_enable(kscandat->clk);
291 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base));