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1 /* |
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2 * HTC PASIC3 driver - LEDs and DS1WM |
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3 * |
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4 * Copyright (c) 2007 Philipp Zabel <philipp.zabel@gmail.com> |
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5 * |
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6 * This file is subject to the terms and conditions of the GNU General Public |
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7 * License. See the file COPYING in the main directory of this archive for |
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8 * more details. |
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9 * |
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10 */ |
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11 |
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12 #ifndef __PASIC3_H |
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13 #define __PASIC3_H |
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14 |
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15 #include <linux/platform_device.h> |
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16 #include <linux/leds.h> |
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17 |
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18 extern void pasic3_write_register(struct device *dev, u32 reg, u8 val); |
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19 extern u8 pasic3_read_register(struct device *dev, u32 reg); |
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20 |
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21 /* |
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22 * mask for registers 0x20,0x21,0x22 |
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23 */ |
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24 #define PASIC3_MASK_LED0 0x04 |
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25 #define PASIC3_MASK_LED1 0x08 |
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26 #define PASIC3_MASK_LED2 0x40 |
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27 |
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28 /* |
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29 * bits in register 0x06 |
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30 */ |
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31 #define PASIC3_BIT2_LED0 0x08 |
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32 #define PASIC3_BIT2_LED1 0x10 |
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33 #define PASIC3_BIT2_LED2 0x20 |
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34 |
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35 struct pasic3_led { |
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36 struct led_classdev led; |
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37 unsigned int hw_num; |
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38 unsigned int bit2; |
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39 unsigned int mask; |
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40 struct pasic3_leds_machinfo *pdata; |
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41 }; |
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42 |
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43 struct pasic3_leds_machinfo { |
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44 unsigned int num_leds; |
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45 unsigned int power_gpio; |
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46 struct pasic3_led *leds; |
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47 }; |
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48 |
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49 struct pasic3_platform_data { |
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50 struct pasic3_leds_machinfo *led_pdata; |
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51 unsigned int bus_shift; |
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52 unsigned int clock_rate; |
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53 }; |
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54 |
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55 #endif |