41 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_print()  local
43 	if (lcd->addr.x < hdc->bwidth) {  in hd44780_common_print()
44 		hdc->write_data(hdc, c);  in hd44780_common_print()
54 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_gotoxy()  local
61 	addr = x < hdc->bwidth ? x & (hdc->hwidth - 1) : hdc->bwidth - 1;  in hd44780_common_gotoxy()
63 		addr += hdc->hwidth;  in hd44780_common_gotoxy()
65 		addr += hdc->bwidth;  in hd44780_common_gotoxy()
66 	hdc->write_cmd(hdc, LCD_CMD_SET_DDRAM_ADDR | addr);  in hd44780_common_gotoxy()
80 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_clear_display()  local
82 	hdc->write_cmd(hdc, LCD_CMD_DISPLAY_CLEAR);  in hd44780_common_clear_display()
99 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_init_display()  local
101 	void (*write_cmd_raw)(struct hd44780_common *hdc, int cmd);  in hd44780_common_init_display()
104 	if (hdc->ifwidth != 4 && hdc->ifwidth != 8)  in hd44780_common_init_display()
107 	hdc->hd44780_common_flags = ((lcd->height > 1) ? LCD_FLAG_N : 0) |  in hd44780_common_init_display()
117 	if (hdc->ifwidth == 4) {  in hd44780_common_init_display()
119 		write_cmd_raw = hdc->write_cmd_raw4;  in hd44780_common_init_display()
121 		write_cmd_raw = hdc->write_cmd;  in hd44780_common_init_display()
123 	write_cmd_raw(hdc, init);  in hd44780_common_init_display()
125 	write_cmd_raw(hdc, init);  in hd44780_common_init_display()
127 	write_cmd_raw(hdc, init);  in hd44780_common_init_display()
130 	if (hdc->ifwidth == 4) {  in hd44780_common_init_display()
132 		hdc->write_cmd_raw4(hdc, LCD_CMD_FUNCTION_SET >> 4);  in hd44780_common_init_display()
137 	hdc->write_cmd(hdc,  in hd44780_common_init_display()
139 		((hdc->ifwidth == 8) ? LCD_CMD_DATA_LEN_8BITS : 0) |  in hd44780_common_init_display()
140 		((hdc->hd44780_common_flags & LCD_FLAG_F) ?  in hd44780_common_init_display()
142 		((hdc->hd44780_common_flags & LCD_FLAG_N) ?  in hd44780_common_init_display()
147 	hdc->write_cmd(hdc, LCD_CMD_DISPLAY_CTRL);  in hd44780_common_init_display()
150 	hdc->write_cmd(hdc,  in hd44780_common_init_display()
152 		((hdc->hd44780_common_flags & LCD_FLAG_D) ?  in hd44780_common_init_display()
154 		((hdc->hd44780_common_flags & LCD_FLAG_C) ?  in hd44780_common_init_display()
156 		((hdc->hd44780_common_flags & LCD_FLAG_B) ?  in hd44780_common_init_display()
160 			(hdc->hd44780_common_flags & LCD_FLAG_L) ? 1 : 0);  in hd44780_common_init_display()
165 	hdc->write_cmd(hdc, LCD_CMD_ENTRY_MODE | LCD_CMD_CURSOR_INC);  in hd44780_common_init_display()
174 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_shift_cursor()  local
178 		if (lcd->addr.x < hdc->bwidth)  in hd44780_common_shift_cursor()
179 			hdc->write_cmd(hdc, LCD_CMD_SHIFT);  in hd44780_common_shift_cursor()
182 		if (lcd->addr.x < (hdc->bwidth - 1))  in hd44780_common_shift_cursor()
183 			hdc->write_cmd(hdc,  in hd44780_common_shift_cursor()
194 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_shift_display()  local
197 		hdc->write_cmd(hdc, LCD_CMD_SHIFT | LCD_CMD_DISPLAY_SHIFT);  in hd44780_common_shift_display()
199 		hdc->write_cmd(hdc, LCD_CMD_SHIFT | LCD_CMD_DISPLAY_SHIFT |  in hd44780_common_shift_display()
206 static void hd44780_common_set_mode(struct hd44780_common *hdc)  in hd44780_common_set_mode()  argument
208 	hdc->write_cmd(hdc,  in hd44780_common_set_mode()
210 		((hdc->hd44780_common_flags & LCD_FLAG_D) ?  in hd44780_common_set_mode()
212 		((hdc->hd44780_common_flags & LCD_FLAG_C) ?  in hd44780_common_set_mode()
214 		((hdc->hd44780_common_flags & LCD_FLAG_B) ?  in hd44780_common_set_mode()
220 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_display()  local
223 		hdc->hd44780_common_flags |= LCD_FLAG_D;  in hd44780_common_display()
225 		hdc->hd44780_common_flags &= ~LCD_FLAG_D;  in hd44780_common_display()
227 	hd44780_common_set_mode(hdc);  in hd44780_common_display()
234 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_cursor()  local
237 		hdc->hd44780_common_flags |= LCD_FLAG_C;  in hd44780_common_cursor()
239 		hdc->hd44780_common_flags &= ~LCD_FLAG_C;  in hd44780_common_cursor()
241 	hd44780_common_set_mode(hdc);  in hd44780_common_cursor()
248 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_blink()  local
251 		hdc->hd44780_common_flags |= LCD_FLAG_B;  in hd44780_common_blink()
253 		hdc->hd44780_common_flags &= ~LCD_FLAG_B;  in hd44780_common_blink()
255 	hd44780_common_set_mode(hdc);  in hd44780_common_blink()
260 static void hd44780_common_set_function(struct hd44780_common *hdc)  in hd44780_common_set_function()  argument
262 	hdc->write_cmd(hdc,  in hd44780_common_set_function()
264 		((hdc->ifwidth == 8) ? LCD_CMD_DATA_LEN_8BITS : 0) |  in hd44780_common_set_function()
265 		((hdc->hd44780_common_flags & LCD_FLAG_F) ?  in hd44780_common_set_function()
267 		((hdc->hd44780_common_flags & LCD_FLAG_N) ?  in hd44780_common_set_function()
273 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_fontsize()  local
276 		hdc->hd44780_common_flags |= LCD_FLAG_F;  in hd44780_common_fontsize()
278 		hdc->hd44780_common_flags &= ~LCD_FLAG_F;  in hd44780_common_fontsize()
280 	hd44780_common_set_function(hdc);  in hd44780_common_fontsize()
287 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_lines()  local
290 		hdc->hd44780_common_flags |= LCD_FLAG_N;  in hd44780_common_lines()
292 		hdc->hd44780_common_flags &= ~LCD_FLAG_N;  in hd44780_common_lines()
294 	hd44780_common_set_function(hdc);  in hd44780_common_lines()
309 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_redefine_char()  local
344 	hdc->write_cmd(hdc, LCD_CMD_SET_CGRAM_ADDR | (cgaddr * 8));  in hd44780_common_redefine_char()
346 		hdc->write_data(hdc, cgbytes[addr]);  in hd44780_common_redefine_char()