3  *  console driver for LCD2S 4x20 character displays connected through i2c.
7  *  This is a driver allowing you to use a LCD2S 4x20 from modtronix
97 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_print()  local
100 	lcd2s_i2c_master_send(lcd2s->i2c, buf, sizeof(buf));  in lcd2s_print()
106 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_gotoxy()  local
109 	lcd2s_i2c_master_send(lcd2s->i2c, buf, sizeof(buf));  in lcd2s_gotoxy()
116 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_home()  local
118 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_RESET);  in lcd2s_home()
124 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_init_display()  local
127 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_DISPLAY_ON);  in lcd2s_init_display()
128 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_BACKLIGHT_OFF);  in lcd2s_init_display()
129 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_MOVES_FWD);  in lcd2s_init_display()
130 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_BLINK_OFF);  in lcd2s_init_display()
131 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_UL_OFF);  in lcd2s_init_display()
132 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CLEAR);  in lcd2s_init_display()
139 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_shift_cursor()  local
142 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_MOV_CUR_LEFT);  in lcd2s_shift_cursor()
144 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_MOV_CUR_RIGHT);  in lcd2s_shift_cursor()
151 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_shift_display()  local
154 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_SHIFT_LEFT);  in lcd2s_shift_display()
156 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_SHIFT_RIGHT);  in lcd2s_shift_display()
163 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_backlight()  local
166 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_BACKLIGHT_ON);  in lcd2s_backlight()
168 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_BACKLIGHT_OFF);  in lcd2s_backlight()
173 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_display()  local
176 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_DISPLAY_ON);  in lcd2s_display()
178 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_DISPLAY_OFF);  in lcd2s_display()
185 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_cursor()  local
188 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_UL_ON);  in lcd2s_cursor()
190 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_UL_OFF);  in lcd2s_cursor()
197 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_blink()  local
200 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_BLINK_ON);  in lcd2s_blink()
202 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_BLINK_OFF);  in lcd2s_blink()
227 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_redefine_char()  local
259 	lcd2s_i2c_master_send(lcd2s->i2c, buf, sizeof(buf));  in lcd2s_redefine_char()
265 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_clear_display()  local
268 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CLEAR);  in lcd2s_clear_display()
293 	struct lcd2s_data *lcd2s;  in lcd2s_i2c_probe()  local
310 	lcd2s = kzalloc(sizeof(struct lcd2s_data), GFP_KERNEL);  in lcd2s_i2c_probe()
311 	if (!lcd2s) {  in lcd2s_i2c_probe()
316 	lcd->drvdata = lcd2s;  in lcd2s_i2c_probe()
317 	lcd2s->i2c = i2c;  in lcd2s_i2c_probe()
318 	lcd2s->charlcd = lcd;  in lcd2s_i2c_probe()
333 	err = charlcd_register(lcd2s->charlcd);  in lcd2s_i2c_probe()
337 	i2c_set_clientdata(i2c, lcd2s);  in lcd2s_i2c_probe()
341 	kfree(lcd2s);  in lcd2s_i2c_probe()
349 	struct lcd2s_data *lcd2s = i2c_get_clientdata(i2c);  in lcd2s_i2c_remove()  local
351 	charlcd_unregister(lcd2s->charlcd);  in lcd2s_i2c_remove()
352 	kfree(lcd2s->charlcd);  in lcd2s_i2c_remove()
357 	{ "lcd2s", 0 },
364 	{ .compatible = "modtronix,lcd2s" },
372 		.name = "lcd2s",
388 		pr_err("Failed to register lcd2s driver\n");  in lcd2s_modinit()
400 MODULE_DESCRIPTION("LCD2S character display driver");