Lines Matching refs:kscandat
72 static void lpc32xx_mod_states(struct lpc32xx_kscan_drv *kscandat, int col) in lpc32xx_mod_states() argument
74 struct input_dev *input = kscandat->input; in lpc32xx_mod_states()
78 key = readl(LPC32XX_KS_DATA(kscandat->kscan_base, col)); in lpc32xx_mod_states()
79 changed = key ^ kscandat->lastkeystates[col]; in lpc32xx_mod_states()
80 kscandat->lastkeystates[col] = key; in lpc32xx_mod_states()
86 kscandat->row_shift); in lpc32xx_mod_states()
87 keycode = kscandat->keymap[scancode]; in lpc32xx_mod_states()
96 struct lpc32xx_kscan_drv *kscandat = dev_id; in lpc32xx_kscan_irq() local
99 for (i = 0; i < kscandat->matrix_sz; i++) in lpc32xx_kscan_irq()
100 lpc32xx_mod_states(kscandat, i); in lpc32xx_kscan_irq()
102 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base)); in lpc32xx_kscan_irq()
104 input_sync(kscandat->input); in lpc32xx_kscan_irq()
111 struct lpc32xx_kscan_drv *kscandat = input_get_drvdata(dev); in lpc32xx_kscan_open() local
114 error = clk_prepare_enable(kscandat->clk); in lpc32xx_kscan_open()
118 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base)); in lpc32xx_kscan_open()
125 struct lpc32xx_kscan_drv *kscandat = input_get_drvdata(dev); in lpc32xx_kscan_close() local
127 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base)); in lpc32xx_kscan_close()
128 clk_disable_unprepare(kscandat->clk); in lpc32xx_kscan_close()
132 struct lpc32xx_kscan_drv *kscandat) in lpc32xx_parse_dt() argument
146 kscandat->matrix_sz = rows; in lpc32xx_parse_dt()
147 kscandat->row_shift = get_count_order(columns); in lpc32xx_parse_dt()
149 of_property_read_u32(np, "nxp,debounce-delay-ms", &kscandat->deb_clks); in lpc32xx_parse_dt()
150 of_property_read_u32(np, "nxp,scan-delay-ms", &kscandat->scan_delay); in lpc32xx_parse_dt()
151 if (!kscandat->deb_clks || !kscandat->scan_delay) { in lpc32xx_parse_dt()
161 struct lpc32xx_kscan_drv *kscandat; in lpc32xx_kscan_probe() local
178 kscandat = devm_kzalloc(&pdev->dev, sizeof(*kscandat), in lpc32xx_kscan_probe()
180 if (!kscandat) in lpc32xx_kscan_probe()
183 error = lpc32xx_parse_dt(&pdev->dev, kscandat); in lpc32xx_kscan_probe()
189 keymap_size = sizeof(kscandat->keymap[0]) * in lpc32xx_kscan_probe()
190 (kscandat->matrix_sz << kscandat->row_shift); in lpc32xx_kscan_probe()
191 kscandat->keymap = devm_kzalloc(&pdev->dev, keymap_size, GFP_KERNEL); in lpc32xx_kscan_probe()
192 if (!kscandat->keymap) in lpc32xx_kscan_probe()
195 kscandat->input = input = devm_input_allocate_device(&pdev->dev); in lpc32xx_kscan_probe()
214 kscandat->matrix_sz, in lpc32xx_kscan_probe()
215 kscandat->matrix_sz, in lpc32xx_kscan_probe()
216 kscandat->keymap, kscandat->input); in lpc32xx_kscan_probe()
222 input_set_drvdata(kscandat->input, kscandat); in lpc32xx_kscan_probe()
224 kscandat->kscan_base = devm_ioremap_resource(&pdev->dev, res); in lpc32xx_kscan_probe()
225 if (IS_ERR(kscandat->kscan_base)) in lpc32xx_kscan_probe()
226 return PTR_ERR(kscandat->kscan_base); in lpc32xx_kscan_probe()
229 kscandat->clk = devm_clk_get(&pdev->dev, NULL); in lpc32xx_kscan_probe()
230 if (IS_ERR(kscandat->clk)) { in lpc32xx_kscan_probe()
232 return PTR_ERR(kscandat->clk); in lpc32xx_kscan_probe()
236 error = clk_prepare_enable(kscandat->clk); in lpc32xx_kscan_probe()
240 writel(kscandat->deb_clks, LPC32XX_KS_DEB(kscandat->kscan_base)); in lpc32xx_kscan_probe()
241 writel(kscandat->scan_delay, LPC32XX_KS_SCAN_CTL(kscandat->kscan_base)); in lpc32xx_kscan_probe()
243 LPC32XX_KS_FAST_TST(kscandat->kscan_base)); in lpc32xx_kscan_probe()
244 writel(kscandat->matrix_sz, in lpc32xx_kscan_probe()
245 LPC32XX_KS_MATRIX_DIM(kscandat->kscan_base)); in lpc32xx_kscan_probe()
246 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base)); in lpc32xx_kscan_probe()
247 clk_disable_unprepare(kscandat->clk); in lpc32xx_kscan_probe()
250 pdev->name, kscandat); in lpc32xx_kscan_probe()
256 error = input_register_device(kscandat->input); in lpc32xx_kscan_probe()
262 platform_set_drvdata(pdev, kscandat); in lpc32xx_kscan_probe()
270 struct lpc32xx_kscan_drv *kscandat = platform_get_drvdata(pdev); in lpc32xx_kscan_suspend() local
271 struct input_dev *input = kscandat->input; in lpc32xx_kscan_suspend()
277 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base)); in lpc32xx_kscan_suspend()
278 clk_disable_unprepare(kscandat->clk); in lpc32xx_kscan_suspend()
288 struct lpc32xx_kscan_drv *kscandat = platform_get_drvdata(pdev); in lpc32xx_kscan_resume() local
289 struct input_dev *input = kscandat->input; in lpc32xx_kscan_resume()
296 retval = clk_prepare_enable(kscandat->clk); in lpc32xx_kscan_resume()
298 writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base)); in lpc32xx_kscan_resume()