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ALSA: es1968: add radio (tea575x tuner) support 

Add TEA5757 radio tuner support to es1968 driver. This is found at least on
MediaForte SF64-PCE2 sound cards.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Ondrej Zary 2011-03-19 16:33:14 +01:00 committed by Takashi Iwai
parent f8960d61bc
commit 1872f58995
3 changed files with 137 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sound/i2c/other/Makefile
View File

@ -14,4 +14,4 @@ snd-tea575x-tuner-objs := tea575x-tuner.o
obj-$(CONFIG_SND_PDAUDIOCF) += snd-ak4117.o
obj-$(CONFIG_SND_ICE1712) += snd-ak4xxx-adda.o
obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o snd-ak4113.o snd-ak4xxx-adda.o snd-pt2258.o
obj-$(CONFIG_SND_FM801_TEA575X) += snd-tea575x-tuner.o
obj-$(CONFIG_SND_TEA575X) += snd-tea575x-tuner.o

14
sound/pci/Kconfig
View File

@ -534,6 +534,14 @@ config SND_ES1968_INPUT
If you say N the buttons will directly control the master volume.
It is recommended to say Y.
config SND_ES1968_RADIO
bool "Enable TEA5757 radio tuner support for es1968"
depends on SND_ES1968
depends on VIDEO_V4L2=y || VIDEO_V4L2=SND_ES1968
help
Say Y here to include support for TEA5757 radio tuner integrated on
some MediaForte cards (e.g. SF64-PCE2).
config SND_FM801
tristate "ForteMedia FM801"
select SND_OPL3_LIB
@ -555,10 +563,10 @@ config SND_FM801_TEA575X_BOOL
FM801 chip with a TEA5757 tuner connected to GPIO1-3 pins (Media
Forte SF256-PCS-02) into the snd-fm801 driver.
config SND_FM801_TEA575X
config SND_TEA575X
tristate
depends on SND_FM801_TEA575X_BOOL
default SND_FM801
depends on SND_FM801_TEA575X_BOOL || SND_ES1968_RADIO
default SND_FM801 || SND_ES1968
source "sound/pci/hda/Kconfig"

125
sound/pci/es1968.c
View File

@ -112,6 +112,10 @@
#include <sound/ac97_codec.h>
#include <sound/initval.h>
#ifdef CONFIG_SND_ES1968_RADIO
#include <sound/tea575x-tuner.h>
#endif
#define CARD_NAME "ESS Maestro1/2"
#define DRIVER_NAME "ES1968"
@ -553,6 +557,10 @@ struct es1968 {
spinlock_t ac97_lock;
struct tasklet_struct hwvol_tq;
#endif
#ifdef CONFIG_SND_ES1968_RADIO
struct snd_tea575x tea;
#endif
};
static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id);
@ -2571,6 +2579,111 @@ static int __devinit snd_es1968_input_register(struct es1968 *chip)
}
#endif /* CONFIG_SND_ES1968_INPUT */
#ifdef CONFIG_SND_ES1968_RADIO
#define GPIO_DATA 0x60
#define IO_MASK 4 /* mask register offset from GPIO_DATA
bits 1=unmask write to given bit */
#define IO_DIR 8 /* direction register offset from GPIO_DATA
bits 0/1=read/write direction */
/* mask bits for GPIO lines */
#define STR_DATA 0x0040 /* GPIO6 */
#define STR_CLK 0x0080 /* GPIO7 */
#define STR_WREN 0x0100 /* GPIO8 */
#define STR_MOST 0x0200 /* GPIO9 */
static void snd_es1968_tea575x_write(struct snd_tea575x *tea, unsigned int val)
{
struct es1968 *chip = tea->private_data;
unsigned long io = chip->io_port + GPIO_DATA;
u16 l, bits;
u16 omask, odir;
omask = inw(io + IO_MASK);
odir = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN);
outw(odir | STR_DATA, io + IO_DIR);
outw(~(STR_DATA | STR_CLK | STR_WREN), io + IO_MASK);
udelay(16);
for (l = 25; l; l--) {
bits = ((val >> 18) & STR_DATA) | STR_WREN;
val <<= 1; /* shift data */
outw(bits, io); /* start strobe */
udelay(2);
outw(bits | STR_CLK, io); /* HI level */
udelay(2);
outw(bits, io); /* LO level */
udelay(4);
}
if (!tea->mute)
outw(0, io);
udelay(4);
outw(omask, io + IO_MASK);
outw(odir, io + IO_DIR);
msleep(125);
}
static unsigned int snd_es1968_tea575x_read(struct snd_tea575x *tea)
{
struct es1968 *chip = tea->private_data;
unsigned long io = chip->io_port + GPIO_DATA;
u16 l, rdata;
u32 data = 0;
u16 omask;
omask = inw(io + IO_MASK);
outw(~(STR_CLK | STR_WREN), io + IO_MASK);
outw(0, io);
udelay(16);
for (l = 24; l--;) {
outw(STR_CLK, io); /* HI state */
udelay(2);
if (!l)
tea->tuned = inw(io) & STR_MOST ? 0 : 1;
outw(0, io); /* LO state */
udelay(2);
data <<= 1; /* shift data */
rdata = inw(io);
if (!l)
tea->stereo = (rdata & STR_MOST) ? 0 : 1;
else if (l && rdata & STR_DATA)
data++;
udelay(2);
}
if (tea->mute)
outw(STR_WREN, io);
udelay(4);
outw(omask, io + IO_MASK);
return data & 0x3ffe;
}
static void snd_es1968_tea575x_mute(struct snd_tea575x *tea, unsigned int mute)
{
struct es1968 *chip = tea->private_data;
unsigned long io = chip->io_port + GPIO_DATA;
u16 omask;
omask = inw(io + IO_MASK);
outw(~STR_WREN, io + IO_MASK);
tea->mute = mute;
outw(tea->mute ? STR_WREN : 0, io);
udelay(4);
outw(omask, io + IO_MASK);
msleep(125);
}
static struct snd_tea575x_ops snd_es1968_tea_ops = {
.write = snd_es1968_tea575x_write,
.read = snd_es1968_tea575x_read,
.mute = snd_es1968_tea575x_mute,
};
#endif
static int snd_es1968_free(struct es1968 *chip)
{
#ifdef CONFIG_SND_ES1968_INPUT
@ -2585,6 +2698,10 @@ static int snd_es1968_free(struct es1968 *chip)
outw(0, chip->io_port + ESM_PORT_HOST_IRQ); /* disable IRQ */
}
#ifdef CONFIG_SND_ES1968_RADIO
snd_tea575x_exit(&chip->tea);
#endif
if (chip->irq >= 0)
free_irq(chip->irq, chip);
snd_es1968_free_gameport(chip);
@ -2723,6 +2840,14 @@ static int __devinit snd_es1968_create(struct snd_card *card,
snd_card_set_dev(card, &pci->dev);
#ifdef CONFIG_SND_ES1968_RADIO
chip->tea.card = card;
chip->tea.freq_fixup = 10700;
chip->tea.private_data = chip;
chip->tea.ops = &snd_es1968_tea_ops;
snd_tea575x_init(&chip->tea);
#endif
*chip_ret = chip;
return 0;