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author | Tomasz Moń <desowin@gmail.com> | 2021-07-02 12:02:26 +0200 |
---|---|---|
committer | Tomasz Moń <desowin@gmail.com> | 2021-07-04 07:41:44 +0000 |
commit | e11fa5f74eb49b10ebefbe8882bb50186dffb2a4 (patch) | |
tree | 295a28ca58bc4d7b5153629046c1e2894db02f5e /firmware/target/arm/tms320dm320 | |
parent | c9f2308a1d4401ceefaac47b1ea851530d07e47d (diff) | |
download | rockbox-e11fa5f74eb49b10ebefbe8882bb50186dffb2a4.tar.gz rockbox-e11fa5f74eb49b10ebefbe8882bb50186dffb2a4.zip |
Sansa Connect: Initial libertas WiFi driver port
Import non-free firmware image from linux-firmware package.
Firmware loading works but is disabled at compile time because just
loading firmware without configuring device results in higher power
consumption without any benefit to end user.
Change-Id: I8fd252c49385ede1ea4e0f9b1e29adeb331ab8ae
Diffstat (limited to 'firmware/target/arm/tms320dm320')
4 files changed, 142 insertions, 2 deletions
diff --git a/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c b/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c index 12058eba03..a4efe0962a 100644 --- a/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c +++ b/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c | |||
@@ -75,7 +75,7 @@ | |||
75 | #define CMD_WHEEL_EN 0xD0 | 75 | #define CMD_WHEEL_EN 0xD0 |
76 | #define CMD_SET_INTCHRG 0xD1 | 76 | #define CMD_SET_INTCHRG 0xD1 |
77 | #define CMD_GET_INTCHRG 0xD2 | 77 | #define CMD_GET_INTCHRG 0xD2 |
78 | #define CMD_UNKNOWN_D3 0xD3 | 78 | #define CMD_WIFI_PD 0xD3 |
79 | #define CMD_UNKNOWN_D4 0xD4 | 79 | #define CMD_UNKNOWN_D4 0xD4 |
80 | #define CMD_UNKNOWN_D5 0xD5 | 80 | #define CMD_UNKNOWN_D5 0xD5 |
81 | #define CMD_UNKNOWN_D6 0xD6 | 81 | #define CMD_UNKNOWN_D6 0xD6 |
@@ -315,7 +315,7 @@ static size_t avr_command_data_size(uint8_t opcode) | |||
315 | case CMD_WHEEL_EN: return 1; | 315 | case CMD_WHEEL_EN: return 1; |
316 | case CMD_SET_INTCHRG: return 1; | 316 | case CMD_SET_INTCHRG: return 1; |
317 | case CMD_GET_INTCHRG: return 1; | 317 | case CMD_GET_INTCHRG: return 1; |
318 | case CMD_UNKNOWN_D3: return 1; | 318 | case CMD_WIFI_PD: return 1; |
319 | case CMD_UNKNOWN_D4: return 1; | 319 | case CMD_UNKNOWN_D4: return 1; |
320 | case CMD_UNKNOWN_D5: return 2; | 320 | case CMD_UNKNOWN_D5: return 2; |
321 | case CMD_UNKNOWN_D6: return 2; | 321 | case CMD_UNKNOWN_D6: return 2; |
@@ -536,6 +536,12 @@ void avr_hid_enable_charger(void) | |||
536 | avr_execute_command(CMD_SET_INTCHRG, &enable, sizeof(enable)); | 536 | avr_execute_command(CMD_SET_INTCHRG, &enable, sizeof(enable)); |
537 | } | 537 | } |
538 | 538 | ||
539 | void avr_hid_wifi_pd(int high) | ||
540 | { | ||
541 | uint8_t state = high ? 0x01 : 0x00; | ||
542 | avr_execute_command(CMD_WIFI_PD, &state, sizeof(state)); | ||
543 | } | ||
544 | |||
539 | static void avr_hid_lcm_power(uint8_t parameter) | 545 | static void avr_hid_lcm_power(uint8_t parameter) |
540 | { | 546 | { |
541 | avr_execute_command(CMD_LCM_POWER, ¶meter, sizeof(parameter)); | 547 | avr_execute_command(CMD_LCM_POWER, ¶meter, sizeof(parameter)); |
diff --git a/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.h b/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.h index 64b44675f7..baa7083760 100644 --- a/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.h +++ b/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.h | |||
@@ -28,6 +28,8 @@ void avr_hid_init(void); | |||
28 | 28 | ||
29 | void avr_hid_enable_charger(void); | 29 | void avr_hid_enable_charger(void); |
30 | 30 | ||
31 | void avr_hid_wifi_pd(int high); | ||
32 | |||
31 | void avr_hid_lcm_sleep(void); | 33 | void avr_hid_lcm_sleep(void); |
32 | void avr_hid_lcm_wake(void); | 34 | void avr_hid_lcm_wake(void); |
33 | void avr_hid_lcm_power_on(void); | 35 | void avr_hid_lcm_power_on(void); |
diff --git a/firmware/target/arm/tms320dm320/sansa-connect/wifi-sansaconnect.c b/firmware/target/arm/tms320dm320/sansa-connect/wifi-sansaconnect.c new file mode 100644 index 0000000000..867b1da477 --- /dev/null +++ b/firmware/target/arm/tms320dm320/sansa-connect/wifi-sansaconnect.c | |||
@@ -0,0 +1,130 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2021 by Tomasz Moń | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | #include "kernel.h" | ||
23 | #include "system.h" | ||
24 | #include "spi.h" | ||
25 | #include "avr-sansaconnect.h" | ||
26 | #include "libertas/if_spi_drv.h" | ||
27 | |||
28 | #define IO_SERIAL0_XMIT (0x100) | ||
29 | |||
30 | void libertas_spi_init(void) | ||
31 | { | ||
32 | IO_GIO_DIR0 &= ~((1 << 4) /* CS */ | (1 << 3) /* reset */); | ||
33 | libertas_spi_reset(1); | ||
34 | libertas_spi_cs(1); | ||
35 | |||
36 | /* Enable the clock */ | ||
37 | bitset16(&IO_CLK_MOD2, CLK_MOD2_SIF0); | ||
38 | |||
39 | /* Disable transmitter */ | ||
40 | IO_SERIAL0_TX_ENABLE = 0x0001; | ||
41 | |||
42 | /* SELSDEN = 0, SLVEN = 0, SIOCLR = 0, SCLKM = 1, MSB = 1, MSSEL = 0, | ||
43 | * RATE = 2 -> 15MHz | ||
44 | */ | ||
45 | IO_SERIAL0_MODE = 0x0601; | ||
46 | |||
47 | /* Disable the clock */ | ||
48 | bitclr16(&IO_CLK_MOD2, CLK_MOD2_SIF0); | ||
49 | |||
50 | /* Make sure the SPI clock is not inverted */ | ||
51 | bitclr16(&IO_CLK_INV, CLK_INV_SIF0); | ||
52 | } | ||
53 | |||
54 | void libertas_spi_reset(int high) | ||
55 | { | ||
56 | if (high) | ||
57 | { | ||
58 | IO_GIO_BITSET0 = (1 << 3); | ||
59 | } | ||
60 | else | ||
61 | { | ||
62 | IO_GIO_BITCLR0 = (1 << 3); | ||
63 | } | ||
64 | } | ||
65 | |||
66 | void libertas_spi_pd(int high) | ||
67 | { | ||
68 | avr_hid_wifi_pd(high); | ||
69 | } | ||
70 | |||
71 | void libertas_spi_cs(int high) | ||
72 | { | ||
73 | if (high) | ||
74 | { | ||
75 | IO_GIO_BITSET0 = (1 << 4); | ||
76 | } | ||
77 | else | ||
78 | { | ||
79 | IO_GIO_BITCLR0 = (1 << 4); | ||
80 | } | ||
81 | } | ||
82 | |||
83 | void libertas_spi_tx(const uint8_t *buf, int len) | ||
84 | { | ||
85 | /* Enable the clock */ | ||
86 | bitset16(&IO_CLK_MOD2, CLK_MOD2_SIF0); | ||
87 | IO_SERIAL0_TX_ENABLE = 0x0001; | ||
88 | |||
89 | while (len > 0) | ||
90 | { | ||
91 | IO_SERIAL0_TX_DATA = *(buf + 1); | ||
92 | while (IO_SERIAL0_RX_DATA & IO_SERIAL0_XMIT) {}; | ||
93 | IO_SERIAL0_TX_DATA = *buf; | ||
94 | while (IO_SERIAL0_RX_DATA & IO_SERIAL0_XMIT) {}; | ||
95 | |||
96 | buf += 2; | ||
97 | len -= 2; | ||
98 | } | ||
99 | |||
100 | IO_SERIAL0_TX_ENABLE = 0x0000; | ||
101 | |||
102 | /* Disable the clock */ | ||
103 | bitclr16(&IO_CLK_MOD2, CLK_MOD2_SIF0); | ||
104 | } | ||
105 | |||
106 | void libertas_spi_rx(uint8_t *buf, int len) | ||
107 | { | ||
108 | /* Enable the clock */ | ||
109 | bitset16(&IO_CLK_MOD2, CLK_MOD2_SIF0); | ||
110 | IO_SERIAL0_TX_ENABLE = 0x0001; | ||
111 | |||
112 | while (len > 0) | ||
113 | { | ||
114 | uint16_t data; | ||
115 | IO_SERIAL0_TX_DATA = 0; | ||
116 | while ((data = IO_SERIAL0_RX_DATA) & IO_SERIAL0_XMIT) {}; | ||
117 | *(buf + 1) = data & 0xFF; | ||
118 | IO_SERIAL0_TX_DATA = 0; | ||
119 | while ((data = IO_SERIAL0_RX_DATA) & IO_SERIAL0_XMIT) {}; | ||
120 | *buf = data & 0xFF; | ||
121 | |||
122 | buf += 2; | ||
123 | len -= 2; | ||
124 | } | ||
125 | |||
126 | IO_SERIAL0_TX_ENABLE = 0x0000; | ||
127 | |||
128 | /* Disable the clock */ | ||
129 | bitclr16(&IO_CLK_MOD2, CLK_MOD2_SIF0); | ||
130 | } | ||
diff --git a/firmware/target/arm/tms320dm320/system-dm320.c b/firmware/target/arm/tms320dm320/system-dm320.c index 935f3609a6..c80082afd8 100644 --- a/firmware/target/arm/tms320dm320/system-dm320.c +++ b/firmware/target/arm/tms320dm320/system-dm320.c | |||
@@ -369,9 +369,11 @@ void system_init(void) | |||
369 | #endif | 369 | #endif |
370 | 370 | ||
371 | #ifdef SANSA_CONNECT | 371 | #ifdef SANSA_CONNECT |
372 | #ifndef HAVE_WIFI | ||
372 | /* keep WIFI CS and reset high to save power */ | 373 | /* keep WIFI CS and reset high to save power */ |
373 | IO_GIO_DIR0 &= ~((1 << 4) /* CS */ | (1 << 3) /* reset */); | 374 | IO_GIO_DIR0 &= ~((1 << 4) /* CS */ | (1 << 3) /* reset */); |
374 | IO_GIO_BITSET0 = (1 << 4) | (1 << 3); | 375 | IO_GIO_BITSET0 = (1 << 4) | (1 << 3); |
376 | #endif | ||
375 | 377 | ||
376 | i2c_init(); | 378 | i2c_init(); |
377 | avr_hid_init(); | 379 | avr_hid_init(); |