23 #include <linux/spi/spi.h>
24 #include <linux/spi/l4f00242t03.h>
27 	struct spi_device	*spi;  member
48 static void l4f00242t03_lcd_init(struct spi_device *spi)  in l4f00242t03_lcd_init()  argument
50 	struct l4f00242t03_pdata *pdata = spi->dev.platform_data;  in l4f00242t03_lcd_init()
51 	struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev);  in l4f00242t03_lcd_init()
54 	dev_dbg(&spi->dev, "initializing LCD\n");  in l4f00242t03_lcd_init()
66 	spi_write(spi, (const u8 *)cmd, ARRAY_SIZE(cmd) * sizeof(u16));  in l4f00242t03_lcd_init()
69 static void l4f00242t03_lcd_powerdown(struct spi_device *spi)  in l4f00242t03_lcd_powerdown()  argument
71 	struct l4f00242t03_pdata *pdata = spi->dev.platform_data;  in l4f00242t03_lcd_powerdown()
72 	struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev);  in l4f00242t03_lcd_powerdown()
74 	dev_dbg(&spi->dev, "Powering down LCD\n");  in l4f00242t03_lcd_powerdown()
92 	struct spi_device *spi = priv->spi;  in l4f00242t03_lcd_power_set()  local
104 			dev_dbg(&spi->dev, "Resuming LCD\n");  in l4f00242t03_lcd_power_set()
106 			spi_write(spi, (const u8 *)&slpout, sizeof(u16));  in l4f00242t03_lcd_power_set()
108 			spi_write(spi, (const u8 *)&dison, sizeof(u16));  in l4f00242t03_lcd_power_set()
111 			l4f00242t03_lcd_init(spi);  in l4f00242t03_lcd_power_set()
118 			dev_dbg(&spi->dev, "Standby the LCD\n");  in l4f00242t03_lcd_power_set()
120 			spi_write(spi, (const u8 *)&disoff, sizeof(u16));  in l4f00242t03_lcd_power_set()
122 			spi_write(spi, (const u8 *)&slpin, sizeof(u16));  in l4f00242t03_lcd_power_set()
127 			l4f00242t03_lcd_init(spi);  in l4f00242t03_lcd_power_set()
135 			spi_write(spi, (const u8 *)&disoff, sizeof(u16));  in l4f00242t03_lcd_power_set()
137 			l4f00242t03_lcd_powerdown(spi);  in l4f00242t03_lcd_power_set()
151 static int __devinit l4f00242t03_probe(struct spi_device *spi)  in l4f00242t03_probe()  argument
154 	struct l4f00242t03_pdata *pdata = spi->dev.platform_data;  in l4f00242t03_probe()
158 		dev_err(&spi->dev, "Uninitialized platform data.\n");  in l4f00242t03_probe()
165 		dev_err(&spi->dev, "No memory for this device.\n");  in l4f00242t03_probe()
169 	dev_set_drvdata(&spi->dev, priv);  in l4f00242t03_probe()
170 	spi->bits_per_word = 9;  in l4f00242t03_probe()
171 	spi_setup(spi);  in l4f00242t03_probe()
173 	priv->spi = spi;  in l4f00242t03_probe()
178 		dev_err(&spi->dev,  in l4f00242t03_probe()
186 		dev_err(&spi->dev,  in l4f00242t03_probe()
191 	priv->io_reg = regulator_get(&spi->dev, "vdd");  in l4f00242t03_probe()
194 		dev_err(&spi->dev, "%s: Unable to get the IO regulator\n",  in l4f00242t03_probe()
199 	priv->core_reg = regulator_get(&spi->dev, "vcore");  in l4f00242t03_probe()
202 		dev_err(&spi->dev, "%s: Unable to get the core regulator\n",  in l4f00242t03_probe()
208 					&spi->dev, priv, &l4f_ops);  in l4f00242t03_probe()
215 	l4f00242t03_lcd_init(spi);  in l4f00242t03_probe()
219 	dev_info(&spi->dev, "Epson l4f00242t03 lcd probed.\n");  in l4f00242t03_probe()
237 static int __devexit l4f00242t03_remove(struct spi_device *spi)  in l4f00242t03_remove()  argument
239 	struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev);  in l4f00242t03_remove()
240 	struct l4f00242t03_pdata *pdata = priv->spi->dev.platform_data;  in l4f00242t03_remove()
245 	dev_set_drvdata(&spi->dev, NULL);  in l4f00242t03_remove()
258 static void l4f00242t03_shutdown(struct spi_device *spi)  in l4f00242t03_shutdown()  argument
260 	struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev);  in l4f00242t03_shutdown()