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
99 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_print()  local
102 	lcd2s_i2c_master_send(lcd2s->i2c, buf, sizeof(buf));  in lcd2s_print()
108 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_gotoxy()  local
111 	lcd2s_i2c_master_send(lcd2s->i2c, buf, sizeof(buf));  in lcd2s_gotoxy()
118 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_home()  local
120 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_RESET);  in lcd2s_home()
126 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_init_display()  local
129 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_DISPLAY_ON);  in lcd2s_init_display()
130 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_BACKLIGHT_OFF);  in lcd2s_init_display()
131 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_MOVES_FWD);  in lcd2s_init_display()
132 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_BLINK_OFF);  in lcd2s_init_display()
133 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_UL_OFF);  in lcd2s_init_display()
134 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CLEAR);  in lcd2s_init_display()
141 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_shift_cursor()  local
144 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_MOV_CUR_LEFT);  in lcd2s_shift_cursor()
146 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_MOV_CUR_RIGHT);  in lcd2s_shift_cursor()
153 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_shift_display()  local
156 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_SHIFT_LEFT);  in lcd2s_shift_display()
158 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_SHIFT_RIGHT);  in lcd2s_shift_display()
165 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_backlight()  local
168 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_BACKLIGHT_ON);  in lcd2s_backlight()
170 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_BACKLIGHT_OFF);  in lcd2s_backlight()
175 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_display()  local
178 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_DISPLAY_ON);  in lcd2s_display()
180 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_DISPLAY_OFF);  in lcd2s_display()
187 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_cursor()  local
190 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_UL_ON);  in lcd2s_cursor()
192 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_UL_OFF);  in lcd2s_cursor()
199 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_blink()  local
202 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_BLINK_ON);  in lcd2s_blink()
204 		lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_BLINK_OFF);  in lcd2s_blink()
228 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_redefine_char()  local
260 	lcd2s_i2c_master_send(lcd2s->i2c, buf, sizeof(buf));  in lcd2s_redefine_char()
266 	struct lcd2s_data *lcd2s = lcd->drvdata;  in lcd2s_clear_display()  local
269 	lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CLEAR);  in lcd2s_clear_display()
293 	struct lcd2s_data *lcd2s;  in lcd2s_i2c_probe()  local
301 	lcd2s = devm_kzalloc(&i2c->dev, sizeof(*lcd2s), GFP_KERNEL);  in lcd2s_i2c_probe()
302 	if (!lcd2s)  in lcd2s_i2c_probe()
314 	lcd->drvdata = lcd2s;  in lcd2s_i2c_probe()
315 	lcd2s->i2c = i2c;  in lcd2s_i2c_probe()
316 	lcd2s->charlcd = lcd;  in lcd2s_i2c_probe()
331 	err = charlcd_register(lcd2s->charlcd);  in lcd2s_i2c_probe()
335 	i2c_set_clientdata(i2c, lcd2s);  in lcd2s_i2c_probe()
339 	charlcd_free(lcd2s->charlcd);  in lcd2s_i2c_probe()
345 	struct lcd2s_data *lcd2s = i2c_get_clientdata(i2c);  in lcd2s_i2c_remove()  local
347 	charlcd_unregister(lcd2s->charlcd);  in lcd2s_i2c_remove()
348 	charlcd_free(lcd2s->charlcd);  in lcd2s_i2c_remove()
352 	{ "lcd2s", 0 },
358 	{ .compatible = "modtronix,lcd2s" },
365 		.name = "lcd2s",
374 MODULE_DESCRIPTION("LCD2S character display driver");