FreeCalypso > hg > fc-magnetite

annotate doc/Handset-goal @ 413:780fa76e9c9b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
tpudrv10.c: all magic1 tables reconstructed
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 19 Jan 2018 21:07:28 +0000
parents 3f1a587b3a84
children 712c5cc0b2a9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
219
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 Work toward end user libre phone firmware
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 =========================================
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 Phone handset firmware, i.e., fw that makes a phone device work as an untethered
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 phone and not just a serial-cable-controlled pseudo-modem, requires a few
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 additional layers of functionality beyond AT-command-controlled modem fw:
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 * The hardware-specific LCD driver, called R2D in TI's TCS211 program;
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 * The actual phone UI implementation, which the cellular industry calls by the
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 sexist term "MMI" - TI's implementation consists of two components called BMI
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 and MFW;
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 * Battery management (monitoring and charging);
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 * Fairly complex on/off logic to handle all possible combinations of turn-on,
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 turn-off, charging while "on", charging while "off", charging completed or
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 failed but charging power source not unplugged yet.
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 The code we got from TI with the TCS211 delivery by Sotovik includes only a
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 very rudimentary implementation of the above functions that basically amounts
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 to nothing more than a proof of concept, and is absolutely not ready for driving
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 a real end user phone: the UI code contains crashing and other killer bugs, the
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
21 battery management driver officially endorsed by TI for the TCS211 program (LCC
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
22 for "low cost" unregulated chargers) is not appropriate for phones that use
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
23 simple charging circuits and regulated +5 VDC charging power sources (USB or
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
24 Motorola's C1xx charging adapters), and TI's older PWR battery management
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
25 driver (TI totally removed it from TCS211, but we pulled it from the older
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
26 MV100 source fragments) is bitrotten and just generally broken.
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
27
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
28 In FreeCalypso we have developed our own battery charging and discharge
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
29 monitoring driver (FCHG) that works on Mot C1xx and Pirelli DP-L10 phones in
376
3f1a587b3a84 doc/Voice-pseudo-modem written
Mychaela Falconia <falcon@freecalypso.org>
parents: 374
diff changeset
30 the "voice pseudo-modem" configuration (see the Voice-pseudo-modem article),
3f1a587b3a84 doc/Voice-pseudo-modem written
Mychaela Falconia <falcon@freecalypso.org>
parents: 374
diff changeset
31 but we still have the problem of the UI, namely, the lack of one that is
3f1a587b3a84 doc/Voice-pseudo-modem written
Mychaela Falconia <falcon@freecalypso.org>
parents: 374
diff changeset
32 practically usable.
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
33
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
34 Because TI were in the business of making and selling chipsets rather than
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
35 complete phones, proper phone UI development was something they left to their
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
36 customers, and they provided only a very rough proof of concept implementation.
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
37 One difficulty which we face most immediately in our effort to turn this PoC UI
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
38 implementation into a practically usable one is the lack of support for our
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
39 desired target display sizes. Because TI apparently did not want to become
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
40 significantly involved in phone UI development, they did not provide a selection
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
41 of UI layouts for different LCD sizes; instead at each given point in TI's
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
42 history they only supported one display size - whatever their current
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
43 development platform at each moment had on it.
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
44
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
45 At the time of TCS211, TI's primary development platform was called D-Sample;
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
46 it consisted of a development board with the Calypso+Iota chipset on it (as
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
47 well as a GSM RF section based on their older Clara RF transceiver chip) plus
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
48 an attached test handset. Here are some pictures:
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
49
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
50 https://www.freecalypso.org/members/falcon/pictures/D-Sample/
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
51
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
52 The handset part of the D-Sample kit contains a 176x220 pixel color LCD, a
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
53 21-button main keypad just like on Mot C1xx and Pirelli DP-L10 phones, and 3
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
54 side buttons that almost match Pirelli's. This D-Sample was the main
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
55 development platform for the entire TCS211 program (basically everything except
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
56 the small parts specific to Rita RF for which they had their other Leonardo
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
57 development boards), including the UI - the latter was made to target the
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
58 176x220 pix LCD size on the D-Sample.
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
59
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
60 I (Mychaela) have managed to obtain one of these historical D-Sample kits (the
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
61 one pictured) back in 2015, and I have a strong desire to get the TCS211 PoC UI
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
62 up and running in its native 176x220 pixel size. However, the big difficulty
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
63 with getting our FC Magnetite firmware running on the original D-Sample board
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
64 (which, remember, is the original and most native hw target for TCS211!) is
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
65 that the D-Sample has Clara RF, not Rita, and we only got a stripped semi-src
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
66 version of TCS211 in which the *.c files for L1 were censored out and only
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
67 *.obj blobs were supplied instead. The latter blobs target Rita RF and not
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
68 Clara. We have now successfully reconstructed the lost C sources for the RF-
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
69 independent and Rita-specific L1 modules, and we have l1_rf10.c for Clara RF
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
70 from the MV100 source fragments, but we are still missing the tpudrv10.c module
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
71 which is also required for Clara RF.
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
72
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
73 Back in 2015 (when I first got this D-Sample kit) running our own firmware on
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
74 this historical board with an older version of the Calypso chip and with Clara
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
75 RF was absolutely out of the question, but since then we have made enormous
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
76 progress with our complete deblobbing of L1 and the init module and with our
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
77 FC Magnetite build system, and now that tpudrv10 module is literally the only
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
78 missing piece. Given these new circumstances, I plan on making some serious
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
79 effort to locate the TPU driver code in the ancient 20020917 fw image that came
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
80 with our DS board, and attempt to reconstruct the needed tpudrv10 code from
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
81 that.
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
82
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
83 We also have a fallback plan: if we are not able to get our FC Magnetite
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
84 firmware running on the historical TI-made D-Sample board, there is another way
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
85 to get TI's TCS211 UI code running in its original 176x220 pixel size, albeit
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
86 one that will require a lot of time, effort and expense: design and build our
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
87 own UI development board to take the place of TI's D-Sample, combining the good
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
88 version of the Calypso+Iota+Rita chipset for which we have good fw support with
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
89 a 176x220 pix color LCD of our own - it is one of the industry standard sizes,
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
90 so it should only be a matter of getting a semi-custom one with the right
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
91 interface (16-bit parallel) and the right polarizer orientation (6 o'clock
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
92 viewing direction). The proposed board would be a derivative of our current
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
93 FCDEV3B, keeping the core Calypso+RF block (originally from Openmoko) completely
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
94 unchanged, but adding the LCD, the keypad buttons and other handset peripherals,
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
95 resulting in a Handset Motherboard Prototype - HSMBP.
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
96
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
97 Once we get TI's TCS211 UI running in its original 176x220 pixel size like it
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
98 once ran in TI's own software development labs back in The Day, whether we do
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
99 it by way of TI's original DS board or our own HSMBP, the next step will be to
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
100 migrate it to the TCS2/TCS3 hybrid config, using the new versions of G23M PS
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
101 and ACI components. It will also be worthwhile to see if the new version of
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
102 this BMI+MFW code in the LoCosto version is any better than the one we got from
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
103 Sotovik. After these preliminary steps, the UI work can bifurcate:
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
104
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
105 * On the one hand, it will be worthwhile to produce a size-reduced version of
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
106 the UI that targets a 96x64 pixel LCD instead of 176x220 pix, but still full
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
107 color - thus fitting the LCD on Mot C139/140 phones on which we already run
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
108 our fw very successfully in the "voice pseudo-modem" config. We would then
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
109 be able to see if a Mot C139 phone running FreeCalypso fw can be a practically
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
110 usable end user phone, albeit a super-low-end one.
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
111
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
112 * On the other hand, it is my (Mychaela's) strong desire to have our own
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
113 FreeCalypso Libre Dumbphone hardware product; running FC fw on Mot C139 just
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
114 isn't enough to satisfy my ambition. My choice of LCD size for our own FC
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
115 Libre Dumbphone is 176x220 pix, matching TI's D-Sample, so that the rich UI
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
116 targeting this large LCD size can see the light of day as a real end user
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
117 product, and my planned HSMBP board is envisioned as not only an alternative
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
118 to the D-Sample, but also as the prototype motherboard for our FC Libre
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
119 Dumbphone.
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
120
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
121 Current state of the firmware
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
122 =============================
219
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 If we desire a libre phone for our pockets and purses (I do desire one for my
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 purse), we will have to bite the bullet and do the necessary work to transform
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 the UI and associated handset code from its current sorry state into something
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 usable, and I have started laying a little bit of the necessary foundation for
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 doing this work in FC Magnetite.
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
130 There is currently one Magnetite configuration (in the ./configure.sh sense)
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
131 that includes the UI layers, called 2092. 2092 is TI's bizarre "product"
219
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 number for the configuration that is just like the one we got from Sotovik
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
133 (called pdt_2091), but with BMI enabled. We previously had another config
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
134 called 2092-pwr that had TI's old PWR battery charging driver included, which
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
135 never worked because of severe bitrot - that config has now been dropped as the
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
136 regular 2092 config now includes our new and working FCHG battery charging
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
137 driver.
219
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 If you request the 2092 configuration for a target other than c139, i.e., for
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 fcdev3b, gtamodem or pirelli, you will get a successful build (to be pedantic,
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 if you pick gtamodem, you'll get a link failure unless you tweak the linker
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 script, but it's a minor nit), but if you then run that fw image on the
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 hardware, it won't do anything good: it will try to display TI's D-Sample UI
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 (176x220 pixels, color) on the D-Sample LCD attached to Calypso chip select
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 nCS3, but of course neither Openmoko's modem nor the Pirelli has a D-Sample LCD
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 on that chip select, thus the LCD output would fall into the aether. (It would
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 be even worse in the case of the Pirelli which has the 2nd flash bank on nCS3,
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 thus the D-Sample LCD writes could clash with the FFS code operating on that
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 flash - so don't do it.) However, because BMI is enabled, the fw will still
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 automatically bring up the GSM radio and register to the default network
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 immediately upon boot like a typical UI-enabled phone does, even though the
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 associated LCD output will be invisible. Needless to say, this configuration
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
153 is not something I would ever advise actually running - but it is there in
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
154 anticipation of my idea of running our fw on the original D-Sample board as
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
155 described above.
219
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 However, if you build the 2092 config for the c139 target, the Magnetite build
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 system will enable the same hack which was originally implemented in the
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 tcs211-c139 side project in late 2015. Prior to the D-Sample with its fancy
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 176x220 pix color LCD, TI's previous development platforms (C-Sample and
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 earlier) had 84x48 pix black&white (1 bit per pixel) LCDs, and this old C-Sample
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 LCD support is still there in TCS211, albeit in a bitrotten form that wouldn't
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 even compile without a lot of fixing. In our late-2015 tcs211-c139 side project
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 we had resurrected this C-Sample UI configuration, and this work has now been
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 integrated into Magnetite. When you build Magnetite in the 2092 configuration
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 for the c139, you will get our C139 LCD driver that pretends to be C-Sample to
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 the upper layers, and you will get TI's old 84x48 pix B&W UI displayed on the
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 phone's 96x64 pixel color LCD. IOW, only 84x48 out of the available 96x64
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 pixels are used, and only 2 out of the available 65536 colors. Yes, pretty
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 pathetic, I know.
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
172 Going forward, the plan is as outlined above - I wish to see this UI code run
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
173 in the proper 176x220 pix color display config that once existed in TI's own
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
174 development environment before I do anything else to it. I am not happy at all
219
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 about having had to disable TI's D-Sample UI (the 176x220 pix color one) and
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 resurrect the ancient pathetic C-Sample one instead, and given the long list of
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 show-stopping bugs this UI code currently exhibits, I can never be sure which
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 of these bugs were already there in the D-Sample config this code was made for,
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 vs. which of these bugs could be a result of re-enabling the very bitrotten
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 C-Sample UI config - remember, it wouldn't even compile at first.
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 Deblobbing status
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 =================
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
185 The current 2092 config is based on the l1reconst modem config (see the
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
186 Modem-configs write-up), i.e., the entire chipsetsw division of the fw
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
187 including all of L1 and the init code in main.lib is fully rebuilt from source,
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
188 but the versions of G23M PS and ACI are the original TCS211 ones, thus the G23M
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
189 PS component is all blobs. In order to build a G23M-deblobbed UI-enabled
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
190 config, we would need to build the UI layers (MFW and BMI) on top of the new
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
191 TCS3.2 version of ACI used in the deblobbed hybrid config, and no such feat has
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
192 been attempted yet. My current plan is to work in this direction after we
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
193 either get our fw running on the historical D-Sample board or build our own
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
194 HSMBP.