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()
91 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_init_display()  local
93 	void (*write_cmd_raw)(struct hd44780_common *hdc, int cmd);  in hd44780_common_init_display()
96 	if (hdc->ifwidth != 4 && hdc->ifwidth != 8)  in hd44780_common_init_display()
99 	hdc->hd44780_common_flags = ((lcd->height > 1) ? LCD_FLAG_N : 0) |  in hd44780_common_init_display()
109 	if (hdc->ifwidth == 4) {  in hd44780_common_init_display()
111 		write_cmd_raw = hdc->write_cmd_raw4;  in hd44780_common_init_display()
113 		write_cmd_raw = hdc->write_cmd;  in hd44780_common_init_display()
115 	write_cmd_raw(hdc, init);  in hd44780_common_init_display()
117 	write_cmd_raw(hdc, init);  in hd44780_common_init_display()
119 	write_cmd_raw(hdc, init);  in hd44780_common_init_display()
122 	if (hdc->ifwidth == 4) {  in hd44780_common_init_display()
124 		hdc->write_cmd_raw4(hdc, LCD_CMD_FUNCTION_SET >> 4);  in hd44780_common_init_display()
129 	hdc->write_cmd(hdc,  in hd44780_common_init_display()
131 		((hdc->ifwidth == 8) ? LCD_CMD_DATA_LEN_8BITS : 0) |  in hd44780_common_init_display()
132 		((hdc->hd44780_common_flags & LCD_FLAG_F) ?  in hd44780_common_init_display()
134 		((hdc->hd44780_common_flags & LCD_FLAG_N) ?  in hd44780_common_init_display()
139 	hdc->write_cmd(hdc, LCD_CMD_DISPLAY_CTRL);  in hd44780_common_init_display()
142 	hdc->write_cmd(hdc,  in hd44780_common_init_display()
144 		((hdc->hd44780_common_flags & LCD_FLAG_D) ?  in hd44780_common_init_display()
146 		((hdc->hd44780_common_flags & LCD_FLAG_C) ?  in hd44780_common_init_display()
148 		((hdc->hd44780_common_flags & LCD_FLAG_B) ?  in hd44780_common_init_display()
152 			(hdc->hd44780_common_flags & LCD_FLAG_L) ? 1 : 0);  in hd44780_common_init_display()
157 	hdc->write_cmd(hdc, LCD_CMD_ENTRY_MODE | LCD_CMD_CURSOR_INC);  in hd44780_common_init_display()
166 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_shift_cursor()  local
170 		if (lcd->addr.x < hdc->bwidth)  in hd44780_common_shift_cursor()
171 			hdc->write_cmd(hdc, LCD_CMD_SHIFT);  in hd44780_common_shift_cursor()
174 		if (lcd->addr.x < (hdc->bwidth - 1))  in hd44780_common_shift_cursor()
175 			hdc->write_cmd(hdc,  in hd44780_common_shift_cursor()
186 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_shift_display()  local
189 		hdc->write_cmd(hdc, LCD_CMD_SHIFT | LCD_CMD_DISPLAY_SHIFT);  in hd44780_common_shift_display()
191 		hdc->write_cmd(hdc, LCD_CMD_SHIFT | LCD_CMD_DISPLAY_SHIFT |  in hd44780_common_shift_display()
198 static void hd44780_common_set_mode(struct hd44780_common *hdc)  in hd44780_common_set_mode()  argument
200 	hdc->write_cmd(hdc,  in hd44780_common_set_mode()
202 		((hdc->hd44780_common_flags & LCD_FLAG_D) ?  in hd44780_common_set_mode()
204 		((hdc->hd44780_common_flags & LCD_FLAG_C) ?  in hd44780_common_set_mode()
206 		((hdc->hd44780_common_flags & LCD_FLAG_B) ?  in hd44780_common_set_mode()
212 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_display()  local
215 		hdc->hd44780_common_flags |= LCD_FLAG_D;  in hd44780_common_display()
217 		hdc->hd44780_common_flags &= ~LCD_FLAG_D;  in hd44780_common_display()
219 	hd44780_common_set_mode(hdc);  in hd44780_common_display()
226 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_cursor()  local
229 		hdc->hd44780_common_flags |= LCD_FLAG_C;  in hd44780_common_cursor()
231 		hdc->hd44780_common_flags &= ~LCD_FLAG_C;  in hd44780_common_cursor()
233 	hd44780_common_set_mode(hdc);  in hd44780_common_cursor()
240 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_blink()  local
243 		hdc->hd44780_common_flags |= LCD_FLAG_B;  in hd44780_common_blink()
245 		hdc->hd44780_common_flags &= ~LCD_FLAG_B;  in hd44780_common_blink()
247 	hd44780_common_set_mode(hdc);  in hd44780_common_blink()
252 static void hd44780_common_set_function(struct hd44780_common *hdc)  in hd44780_common_set_function()  argument
254 	hdc->write_cmd(hdc,  in hd44780_common_set_function()
256 		((hdc->ifwidth == 8) ? LCD_CMD_DATA_LEN_8BITS : 0) |  in hd44780_common_set_function()
257 		((hdc->hd44780_common_flags & LCD_FLAG_F) ?  in hd44780_common_set_function()
259 		((hdc->hd44780_common_flags & LCD_FLAG_N) ?  in hd44780_common_set_function()
265 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_fontsize()  local
268 		hdc->hd44780_common_flags |= LCD_FLAG_F;  in hd44780_common_fontsize()
270 		hdc->hd44780_common_flags &= ~LCD_FLAG_F;  in hd44780_common_fontsize()
272 	hd44780_common_set_function(hdc);  in hd44780_common_fontsize()
279 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_lines()  local
282 		hdc->hd44780_common_flags |= LCD_FLAG_N;  in hd44780_common_lines()
284 		hdc->hd44780_common_flags &= ~LCD_FLAG_N;  in hd44780_common_lines()
286 	hd44780_common_set_function(hdc);  in hd44780_common_lines()
301 	struct hd44780_common *hdc = lcd->drvdata;  in hd44780_common_redefine_char()  local
336 	hdc->write_cmd(hdc, LCD_CMD_SET_CGRAM_ADDR | (cgaddr * 8));  in hd44780_common_redefine_char()
338 		hdc->write_data(hdc, cgbytes[addr]);  in hd44780_common_redefine_char()