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karo: fdt: fix panel-dpi support
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1 /*
2  * Copyright 2008 Extreme Engineering Solutions, Inc.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * Version 2 as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program; if not, write to the Free Software
15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
16  * MA 02111-1307 USA
17  */
18
19 #ifndef __DS4510_H_
20 #define __DS4510_H_
21
22 /* General defines */
23 #define DS4510_NUM_IO                           0x04
24 #define DS4510_IO_MASK                          ((1 << DS4510_NUM_IO) - 1)
25 #define DS4510_EEPROM_PAGE_WRITE_DELAY_MS       20
26
27 /* EEPROM from 0x00 - 0x39 */
28 #define DS4510_EEPROM                           0x00
29 #define DS4510_EEPROM_SIZE                      0x40
30 #define DS4510_EEPROM_PAGE_SIZE                 0x08
31 #define DS4510_EEPROM_PAGE_OFFSET(x)    ((x) & (DS4510_EEPROM_PAGE_SIZE - 1))
32
33 /* SEEPROM from 0xf0 - 0xf7 */
34 #define DS4510_SEEPROM                          0xf0
35 #define DS4510_SEEPROM_SIZE                     0x08
36
37 /* Registers overlapping SEEPROM from 0xf0 - 0xf7 */
38 #define DS4510_PULLUP                           0xF0
39 #define DS4510_PULLUP_DIS                       0x00
40 #define DS4510_PULLUP_EN                        0x01
41 #define DS4510_RSTDELAY                         0xF1
42 #define DS4510_RSTDELAY_MASK                    0x03
43 #define DS4510_RSTDELAY_125                     0x00
44 #define DS4510_RSTDELAY_250                     0x01
45 #define DS4510_RSTDELAY_500                     0x02
46 #define DS4510_RSTDELAY_1000                    0x03
47 #define DS4510_IO3                              0xF4
48 #define DS4510_IO2                              0xF5
49 #define DS4510_IO1                              0xF6
50 #define DS4510_IO0                              0xF7
51
52 /* Status configuration registers from 0xf8 - 0xf9*/
53 #define DS4510_IO_STATUS                        0xF8
54 #define DS4510_CFG                              0xF9
55 #define DS4510_CFG_READY                        0x80
56 #define DS4510_CFG_TRIP_POINT                   0x40
57 #define DS4510_CFG_RESET                        0x20
58 #define DS4510_CFG_SEE                          0x10
59 #define DS4510_CFG_SWRST                        0x08
60
61 /* SRAM from 0xfa - 0xff */
62 #define DS4510_SRAM                             0xfa
63 #define DS4510_SRAM_SIZE                        0x06
64
65 int ds4510_mem_write(uint8_t chip, int offset, uint8_t *buf, int count);
66 int ds4510_mem_read(uint8_t chip, int offset, uint8_t *buf, int count);
67 int ds4510_see_write(uint8_t chip, uint8_t nv);
68 int ds4510_rstdelay_write(uint8_t chip, uint8_t delay);
69 int ds4510_pullup_write(uint8_t chip, uint8_t val);
70 int ds4510_pullup_read(uint8_t chip);
71 int ds4510_gpio_write(uint8_t chip, uint8_t val);
72 int ds4510_gpio_read(uint8_t chip);
73 int ds4510_gpio_read_val(uint8_t chip);
74
75 #endif /* __DS4510_H_ */