FreeCalypso > hg > fc-tourmaline
annotate src/cs/layer1/cfile/l1_small_asm.S @ 214:adfdbcd360fd
backlight evolution: API between Condat driver and MFW
With this change, the API between the Condat backlight driver
and its user in MFW now carries more abstract backlight state codes
(fully off, fully on, in call, charging boot mode) instead of
0-255 levels. This change is needed in order to more properly support
different hardware targets with different capabilities and approaches
in terms of backlight handling.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 23 Apr 2021 23:52:02 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 /* |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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2 * Assembly code extracted out of TI's l1_small.c |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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3 * |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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4 * This code is correct ONLY for CHIPSET 10 or 11 as currently used |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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5 * by FreeCalypso; see TI's original code for what changes would be |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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6 * needed to support other CHIPSETs. |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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7 */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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9 .text |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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10 .code 32 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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11 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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12 /*-------------------------------------------------------*/ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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13 /* _GSM_Small_Sleep */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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14 /* (formerly INT_Small_Sleep) */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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15 /*-------------------------------------------------------*/ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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16 /* */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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17 /* Description: small sleep */ |
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18 /* ------------ */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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19 /* Called by TCT_Schedule main loop of Nucleus */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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20 /*-------------------------------------------------------*/ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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21 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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22 #define SMALL_SLEEP 0x01 |
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23 #define ALL_SLEEP 0x04 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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24 #define BIG_SMALL_SLEEP 0x05 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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25 #define PWR_MNGT 0x01 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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26 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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27 .globl _GSM_Small_Sleep |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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28 _GSM_Small_Sleep: |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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29 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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30 ldr r0,Switch |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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31 ldr r0,[r0] |
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32 ldrb r1,[r0] |
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33 cmp r1,#PWR_MNGT |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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34 bne TCT_Schedule_Loop |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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35 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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36 ldr r0,Mode |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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37 ldr r0,[r0] |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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38 ldrb r1,[r0] |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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39 cmp r1,#SMALL_SLEEP |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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40 beq Small_sleep_ok |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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41 cmp r1,#ALL_SLEEP |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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42 beq Small_sleep_ok |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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43 cmp r1,#BIG_SMALL_SLEEP |
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44 bne TCT_Schedule_Loop |
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45 |
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46 Small_sleep_ok: |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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47 |
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48 // ***************************************************** |
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49 //reset the DEEP_SLEEP bit 12 of CNTL_ARM_CLK register |
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50 // (Cf BUG_1278) |
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51 |
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52 ldr r0,addrCLKM @ pick up CNTL_ARM_CLK register address |
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53 ldrh r1,[r0] @ take the current value of the register |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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54 orr r1,r1,#0x1000 @ reset the bit |
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55 strh r1,[r0] @ store the result |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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56 |
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57 ldr r0,addrCLKM @ pick up CLKM clock register address |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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58 ldrh r1,[r0] @ take the current value of the register |
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59 bic r1,r1,#1 @ disable ARM clock |
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60 strh r1,[r0] |
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61 |
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62 B TCT_Schedule_Loop @ Return to TCT_Schedule main loop |
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63 |
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64 addrCLKM: .word 0xfffffd00 @ CLKM clock register address |
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65 |
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66 Mode: .word mode_authorized |
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67 Switch: .word switch_PWR_MNGT |