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H300 FM radio support, with help from Peter D'Hoye

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8237 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2005-12-15 01:11:19 +00:00
parent c3387e545d
commit a4b15a4f1f
6 changed files with 61 additions and 18 deletions
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8
apps/recorder/radio.c
View file

@ -78,7 +78,7 @@
#define FM_PRESET_ADD BUTTON_F1
#define FM_PRESET_ACTION BUTTON_F3
#elif CONFIG_KEYPAD == IRIVER_H100_PAD
#elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
/* pause/play - short PLAY */
#define FM_PLAY_PRE BUTTON_ON
#define FM_RC_PLAY_PRE BUTTON_RC_ON
@ -1075,7 +1075,7 @@ int handle_radio_presets_cb(int key, int m)
key = BUTTON_NONE;
break;
#endif
#if CONFIG_KEYPAD != IRIVER_H100_PAD
#if (CONFIG_KEYPAD != IRIVER_H100_PAD) && (CONFIG_KEYPAD != IRIVER_H300_PAD)
#ifdef FM_PRESET
case FM_PRESET:
menu_draw(m);
@ -1285,7 +1285,7 @@ int radio_menu_cb(int key, int m)
(void)m;
switch(key)
{
#if CONFIG_KEYPAD != IRIVER_H100_PAD
#if (CONFIG_KEYPAD != IRIVER_H100_PAD) && (CONFIG_KEYPAD != IRIVER_H300_PAD)
#ifdef MENU_ENTER2
case MENU_ENTER2:
#endif
@ -1294,7 +1294,7 @@ int radio_menu_cb(int key, int m)
key = BUTTON_NONE; /* eat the downpress, next menu reacts on release */
break;
#if CONFIG_KEYPAD != IRIVER_H100_PAD
#if (CONFIG_KEYPAD != IRIVER_H100_PAD) && (CONFIG_KEYPAD != IRIVER_H300_PAD)
#ifdef MENU_ENTER2
case MENU_ENTER2 | BUTTON_REL:
#endif

1
docs/CREDITS
View file

@ -149,3 +149,4 @@ Toshihiko Itoh
David J. Song
Jeong Taek In
Anders Kagerin
Peter D'Hoye

50
firmware/drivers/fmradio_i2c.c
View file

@ -30,18 +30,38 @@
/* cute little functions, atomic read-modify-write */
/* SDA is GPIO1,23 */
#define SDA_LO and_l(~0x00800000, &GPIO1_OUT) // and_b(~0x10, &PBDRL)
#define SDA_HI or_l( 0x00800000, &GPIO1_OUT) // or_b( 0x10, &PBDRL)
#define SDA_INPUT and_l(~0x00800000, &GPIO1_ENABLE) // and_b(~0x10, &PBIORL)
#define SDA_OUTPUT or_l( 0x00800000, &GPIO1_ENABLE) // or_b( 0x10, &PBIORL)
#define SDA ( 0x00800000 & GPIO1_READ) // (PBDR & 0x0010)
#ifdef IRIVER_H300_SERIES
/* SCL is GPIO, 3 */
#define SCL_INPUT and_l(~0x00000008, &GPIO_ENABLE) // and_b(~0x02, &PBIORL)
#define SCL_OUTPUT or_l( 0x00000008, &GPIO_ENABLE) // or_b( 0x02, &PBIORL)
#define SCL_LO and_l(~0x00000008, &GPIO_OUT) // and_b(~0x02, &PBDRL)
#define SCL_HI or_l( 0x00000008, &GPIO_OUT) // or_b( 0x02, &PBDRL)
#define SCL ( 0x00000008 & GPIO_READ) // (PBDR & 0x0002)
/* SDA is GPIO57 */
#define SDA_LO and_l(~0x02000000, &GPIO1_OUT)
#define SDA_HI or_l( 0x02000000, &GPIO1_OUT)
#define SDA_INPUT and_l(~0x02000000, &GPIO1_ENABLE)
#define SDA_OUTPUT or_l( 0x02000000, &GPIO1_ENABLE)
#define SDA ( 0x02000000 & GPIO1_READ)
/* SCL is GPIO56 */
#define SCL_INPUT and_l(~0x01000000, &GPIO1_ENABLE)
#define SCL_OUTPUT or_l( 0x01000000, &GPIO1_ENABLE)
#define SCL_LO and_l(~0x01000000, &GPIO1_OUT)
#define SCL_HI or_l( 0x01000000, &GPIO1_OUT)
#define SCL ( 0x01000000 & GPIO1_READ)
#else
/* SDA is GPIO55 */
#define SDA_LO and_l(~0x00800000, &GPIO1_OUT)
#define SDA_HI or_l( 0x00800000, &GPIO1_OUT)
#define SDA_INPUT and_l(~0x00800000, &GPIO1_ENABLE)
#define SDA_OUTPUT or_l( 0x00800000, &GPIO1_ENABLE)
#define SDA ( 0x00800000 & GPIO1_READ)
/* SCL is GPIO3 */
#define SCL_INPUT and_l(~0x00000008, &GPIO_ENABLE)
#define SCL_OUTPUT or_l( 0x00000008, &GPIO_ENABLE)
#define SCL_LO and_l(~0x00000008, &GPIO_OUT)
#define SCL_HI or_l( 0x00000008, &GPIO_OUT)
#define SCL ( 0x00000008 & GPIO_READ)
#endif
/* delay loop to achieve 400kHz at 120MHz CPU frequency */
#define DELAY do { int _x; for(_x=0;_x<22;_x++);} while(0)
@ -84,8 +104,8 @@ static void fmradio_i2c_ack(void)
SCL_INPUT; /* Set the clock to input */
while(!SCL) /* and wait for the slave to release it */
{
SCL_OUTPUT; /* Set the clock to output */
SCL_HI;
SCL_OUTPUT; /* Set the clock to output */
SCL_INPUT; /* Set the clock to input */
DELAY;
}
@ -111,8 +131,8 @@ static int fmradio_i2c_getack(void)
SCL_INPUT; /* Set the clock to input */
while(!SCL) /* and wait for the slave to release it */
{
SCL_OUTPUT; /* Set the clock to output */
SCL_HI;
SCL_OUTPUT; /* Set the clock to output */
SCL_INPUT; /* Set the clock to input */
DELAY;
}
@ -160,10 +180,12 @@ static unsigned char fmradio_i2c_inb(void)
/* clock in each bit, MSB first */
for ( i=0x80; i; i>>=1 ) {
SDA_INPUT; /* And set to input */
SCL_HI;
DELAY;
DELAY;
if ( SDA )
byte |= i;
SCL_HI;
DELAY;
SCL_LO;
DELAY;
SDA_OUTPUT;

7
firmware/drivers/i2c-coldfire.c
View file

@ -46,7 +46,14 @@ void i2c_init(void)
or_l(0x00000008, &GPIO_ENABLE);
or_l(0x00800000, &GPIO1_FUNCTION);
or_l(0x00000008, &GPIO_FUNCTION);
#elif defined(IRIVER_H300_SERIES)
/* The FM chip has no pullup for SCL, so we have to bit-bang the
I2C for that one. */
or_l(0x03000000, &GPIO1_OUT);
or_l(0x03000000, &GPIO1_ENABLE);
or_l(0x03000000, &GPIO1_FUNCTION);
#endif
/* I2C Clock divisor = 576 => 119.952 MHz / 2 / 576 = 104.125 kHz */
MFDR = 0x14;

3
firmware/export/config-h300.h
View file

@ -48,6 +48,9 @@
/* The number of bytes reserved for loadable plugins */
#define PLUGIN_BUFFER_SIZE 0xC0000
#define CONFIG_TUNER TEA5767
#define CONFIG_TUNER_XTAL 32768
#define HAVE_UDA1380
#ifndef SIMULATOR

10
firmware/pcm_record.c
View file

@ -905,6 +905,15 @@ static void pcmrec_thread(void)
/* Select VINL & VINR source: 0=Line-in, 1=FM Radio */
void pcm_rec_mux(int source)
{
#ifdef IRIVER_H300_SERIES
if(source == 0)
and_l(~0x40000000, &GPIO_OUT); /* Line In */
else
or_l(0x40000000, &GPIO_OUT); /* FM radio */
or_l(0x40000000, &GPIO_ENABLE);
or_l(0x40000000, &GPIO_FUNCTION);
#else
if(source == 0)
and_l(~0x00800000, &GPIO_OUT); /* Line In */
else
@ -912,4 +921,5 @@ void pcm_rec_mux(int source)
or_l(0x00800000, &GPIO_ENABLE);
or_l(0x00800000, &GPIO_FUNCTION);
#endif
}