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annotate src/cs/drivers/drv_app/r2d/lcds/luna/r2d_onoff_i.c @ 296:a927f030a4e0

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add AT@VIBR and AT@VIBS commands for testing VIBR SWE
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 28 Mar 2022 00:43:11 +0000
parents 75758d7a9be3
children
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1 #include "r2d/lcds/luna/r2d_luna_lcd.h"
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2 #include "main/sys_types.h"
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3 #include "armio.h"
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4
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5 static void lcd_suspend(void)
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6 {
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7 if (r2d_lcd_hw_suspend)
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8 return; /* already in suspend */
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9 r2d_lcd_hw_suspend = 1;
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10 LCD_REG_WR(0x0007, 0); /* display off */
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11 rvf_delay(RVF_MS_TO_TICKS(50));
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12 LCD_REG_WR(0x0010, 1); /* suspend mode */
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13 ABB_sleep_allowed = 1;
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14 }
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15
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16 static void lcd_resume(void)
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17 {
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18 if (!r2d_lcd_hw_suspend)
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19 return; /* already on */
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20 ABB_sleep_allowed = 0;
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21 LCD_REG_WR(0x0010, 0); /* out of suspend */
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22 rvf_delay(RVF_MS_TO_TICKS(50));
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23 LCD_REG_WR(0x0007, 0x1017); /* display on */
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24 r2d_lcd_hw_suspend = 0;
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25 r2d_refresh();
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26 }
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27
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28 static void r2d_onoff_action(enum blrr_display_state set_state)
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29 {
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30 UBYTE on_off;
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31
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32 /*
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33 * PWL control: on our current Luna setups (Caramel2 or iWOW DSK)
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34 * PWL is only an indicator LED for developers. We use this PWL
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35 * indicator to show the state of "virtual dimming", as there is
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36 * no physical LCD backlight dimming control on Luna.
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37 */
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38 switch (set_state) {
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39 case BLRR_DISPLAY_OFF:
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40 *(volatile SYS_UWORD8 *)0xFFFE8000 = 0;
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41 *(volatile SYS_UWORD8 *)0xFFFE8001 = 0;
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42 on_off = 0;
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43 break;
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44 case BLRR_DISPLAY_ON:
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45 *(volatile SYS_UWORD8 *)0xFFFE8000 = 255;
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46 *(volatile SYS_UWORD8 *)0xFFFE8001 = 1;
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47 on_off = 1;
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48 break;
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49 case BLRR_DISPLAY_INCALL:
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50 *(volatile SYS_UWORD8 *)0xFFFE8000 = 16;
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51 *(volatile SYS_UWORD8 *)0xFFFE8001 = 1;
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52 on_off = 1;
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53 break;
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54 case BLRR_DISPLAY_CHG_BOOT:
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55 *(volatile SYS_UWORD8 *)0xFFFE8000 = 64;
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56 *(volatile SYS_UWORD8 *)0xFFFE8001 = 1;
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57 on_off = 1;
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58 break;
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59 default:
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60 return; /* error, but we are a void function */
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61 }
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62 /* physical LCD and backlight on/off */
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63 if (on_off) {
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64 lcd_resume();
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65 AI_SetBit(9);
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66 } else {
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67 AI_ResetBit(9);
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68 lcd_suspend();
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69 }
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70 }