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

sound/i2c/other/Makefile

+1 −1
Original line number 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_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

sound/pci/Kconfig

+11 −3
Original line number 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.

	  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"

sound/pci/es1968.c

+125 −0
Original line number Diff line number Diff line
@@ -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;