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Commit 1872f589 authored by Ondrej Zary's avatar Ondrej Zary Committed by Takashi Iwai
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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: default avatarOndrej Zary <linux@rainbow-software.org>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent f8960d61
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+1 −1
Original line number Original line Diff line number Diff line
@@ -14,4 +14,4 @@ snd-tea575x-tuner-objs := tea575x-tuner.o
obj-$(CONFIG_SND_PDAUDIOCF) += snd-ak4117.o
obj-$(CONFIG_SND_PDAUDIOCF) += snd-ak4117.o
obj-$(CONFIG_SND_ICE1712) += snd-ak4xxx-adda.o
obj-$(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_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
+11 −3
Original line number Original line Diff line number Diff line
@@ -534,6 +534,14 @@ config SND_ES1968_INPUT
	  If you say N the buttons will directly control the master volume.
	  If you say N the buttons will directly control the master volume.
	  It is recommended to say Y.
	  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
config SND_FM801
	tristate "ForteMedia FM801"
	tristate "ForteMedia FM801"
	select SND_OPL3_LIB
	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
	  FM801 chip with a TEA5757 tuner connected to GPIO1-3 pins (Media
	  Forte SF256-PCS-02) into the snd-fm801 driver.
	  Forte SF256-PCS-02) into the snd-fm801 driver.


config SND_FM801_TEA575X
config SND_TEA575X
	tristate
	tristate
	depends on SND_FM801_TEA575X_BOOL
	depends on SND_FM801_TEA575X_BOOL || SND_ES1968_RADIO
	default SND_FM801
	default SND_FM801 || SND_ES1968


source "sound/pci/hda/Kconfig"
source "sound/pci/hda/Kconfig"


+125 −0
Original line number Original line Diff line number Diff line
@@ -112,6 +112,10 @@
#include <sound/ac97_codec.h>
#include <sound/ac97_codec.h>
#include <sound/initval.h>
#include <sound/initval.h>


#ifdef CONFIG_SND_ES1968_RADIO
#include <sound/tea575x-tuner.h>
#endif

#define CARD_NAME "ESS Maestro1/2"
#define CARD_NAME "ESS Maestro1/2"
#define DRIVER_NAME "ES1968"
#define DRIVER_NAME "ES1968"


@@ -553,6 +557,10 @@ struct es1968 {
	spinlock_t ac97_lock;
	spinlock_t ac97_lock;
	struct tasklet_struct hwvol_tq;
	struct tasklet_struct hwvol_tq;
#endif
#endif

#ifdef CONFIG_SND_ES1968_RADIO
	struct snd_tea575x tea;
#endif
};
};


static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id);
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 */
#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)
static int snd_es1968_free(struct es1968 *chip)
{
{
#ifdef CONFIG_SND_ES1968_INPUT
#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 */
		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)
	if (chip->irq >= 0)
		free_irq(chip->irq, chip);
		free_irq(chip->irq, chip);
	snd_es1968_free_gameport(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);
	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;
	*chip_ret = chip;


	return 0;
	return 0;