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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>
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@ -14,4 +14,4 @@ snd-tea575x-tuner-objs := tea575x-tuner.o
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obj-$(CONFIG_SND_PDAUDIOCF) += snd-ak4117.o
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obj-$(CONFIG_SND_ICE1712) += snd-ak4xxx-adda.o
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obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o snd-ak4113.o snd-ak4xxx-adda.o snd-pt2258.o
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obj-$(CONFIG_SND_FM801_TEA575X) += snd-tea575x-tuner.o
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obj-$(CONFIG_SND_TEA575X) += snd-tea575x-tuner.o
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@ -534,6 +534,14 @@ config SND_ES1968_INPUT
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If you say N the buttons will directly control the master volume.
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It is recommended to say Y.
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config SND_ES1968_RADIO
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bool "Enable TEA5757 radio tuner support for es1968"
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depends on SND_ES1968
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depends on VIDEO_V4L2=y || VIDEO_V4L2=SND_ES1968
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help
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Say Y here to include support for TEA5757 radio tuner integrated on
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some MediaForte cards (e.g. SF64-PCE2).
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config SND_FM801
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tristate "ForteMedia FM801"
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select SND_OPL3_LIB
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@ -555,10 +563,10 @@ config SND_FM801_TEA575X_BOOL
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FM801 chip with a TEA5757 tuner connected to GPIO1-3 pins (Media
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Forte SF256-PCS-02) into the snd-fm801 driver.
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config SND_FM801_TEA575X
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config SND_TEA575X
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tristate
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depends on SND_FM801_TEA575X_BOOL
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default SND_FM801
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depends on SND_FM801_TEA575X_BOOL || SND_ES1968_RADIO
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default SND_FM801 || SND_ES1968
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source "sound/pci/hda/Kconfig"
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@ -112,6 +112,10 @@
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#include <sound/ac97_codec.h>
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#include <sound/initval.h>
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#ifdef CONFIG_SND_ES1968_RADIO
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#include <sound/tea575x-tuner.h>
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#endif
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#define CARD_NAME "ESS Maestro1/2"
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#define DRIVER_NAME "ES1968"
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@ -553,6 +557,10 @@ struct es1968 {
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spinlock_t ac97_lock;
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struct tasklet_struct hwvol_tq;
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#endif
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#ifdef CONFIG_SND_ES1968_RADIO
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struct snd_tea575x tea;
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#endif
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};
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static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id);
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@ -2571,6 +2579,111 @@ static int __devinit snd_es1968_input_register(struct es1968 *chip)
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}
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#endif /* CONFIG_SND_ES1968_INPUT */
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#ifdef CONFIG_SND_ES1968_RADIO
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#define GPIO_DATA 0x60
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#define IO_MASK 4 /* mask register offset from GPIO_DATA
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bits 1=unmask write to given bit */
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#define IO_DIR 8 /* direction register offset from GPIO_DATA
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bits 0/1=read/write direction */
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/* mask bits for GPIO lines */
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#define STR_DATA 0x0040 /* GPIO6 */
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#define STR_CLK 0x0080 /* GPIO7 */
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#define STR_WREN 0x0100 /* GPIO8 */
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#define STR_MOST 0x0200 /* GPIO9 */
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static void snd_es1968_tea575x_write(struct snd_tea575x *tea, unsigned int val)
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{
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struct es1968 *chip = tea->private_data;
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unsigned long io = chip->io_port + GPIO_DATA;
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u16 l, bits;
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u16 omask, odir;
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omask = inw(io + IO_MASK);
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odir = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN);
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outw(odir | STR_DATA, io + IO_DIR);
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outw(~(STR_DATA | STR_CLK | STR_WREN), io + IO_MASK);
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udelay(16);
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for (l = 25; l; l--) {
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bits = ((val >> 18) & STR_DATA) | STR_WREN;
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val <<= 1; /* shift data */
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outw(bits, io); /* start strobe */
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udelay(2);
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outw(bits | STR_CLK, io); /* HI level */
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udelay(2);
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outw(bits, io); /* LO level */
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udelay(4);
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}
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if (!tea->mute)
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outw(0, io);
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udelay(4);
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outw(omask, io + IO_MASK);
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outw(odir, io + IO_DIR);
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msleep(125);
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}
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static unsigned int snd_es1968_tea575x_read(struct snd_tea575x *tea)
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{
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struct es1968 *chip = tea->private_data;
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unsigned long io = chip->io_port + GPIO_DATA;
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u16 l, rdata;
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u32 data = 0;
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u16 omask;
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omask = inw(io + IO_MASK);
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outw(~(STR_CLK | STR_WREN), io + IO_MASK);
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outw(0, io);
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udelay(16);
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for (l = 24; l--;) {
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outw(STR_CLK, io); /* HI state */
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udelay(2);
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if (!l)
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tea->tuned = inw(io) & STR_MOST ? 0 : 1;
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outw(0, io); /* LO state */
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udelay(2);
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data <<= 1; /* shift data */
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rdata = inw(io);
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if (!l)
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tea->stereo = (rdata & STR_MOST) ? 0 : 1;
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else if (l && rdata & STR_DATA)
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data++;
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udelay(2);
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}
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if (tea->mute)
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outw(STR_WREN, io);
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udelay(4);
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outw(omask, io + IO_MASK);
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return data & 0x3ffe;
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}
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static void snd_es1968_tea575x_mute(struct snd_tea575x *tea, unsigned int mute)
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{
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struct es1968 *chip = tea->private_data;
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unsigned long io = chip->io_port + GPIO_DATA;
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u16 omask;
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omask = inw(io + IO_MASK);
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outw(~STR_WREN, io + IO_MASK);
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tea->mute = mute;
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outw(tea->mute ? STR_WREN : 0, io);
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udelay(4);
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outw(omask, io + IO_MASK);
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msleep(125);
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}
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static struct snd_tea575x_ops snd_es1968_tea_ops = {
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.write = snd_es1968_tea575x_write,
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.read = snd_es1968_tea575x_read,
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.mute = snd_es1968_tea575x_mute,
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};
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#endif
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static int snd_es1968_free(struct es1968 *chip)
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{
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#ifdef CONFIG_SND_ES1968_INPUT
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@ -2585,6 +2698,10 @@ static int snd_es1968_free(struct es1968 *chip)
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outw(0, chip->io_port + ESM_PORT_HOST_IRQ); /* disable IRQ */
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}
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#ifdef CONFIG_SND_ES1968_RADIO
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snd_tea575x_exit(&chip->tea);
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#endif
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if (chip->irq >= 0)
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free_irq(chip->irq, chip);
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snd_es1968_free_gameport(chip);
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@ -2723,6 +2840,14 @@ static int __devinit snd_es1968_create(struct snd_card *card,
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snd_card_set_dev(card, &pci->dev);
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#ifdef CONFIG_SND_ES1968_RADIO
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chip->tea.card = card;
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chip->tea.freq_fixup = 10700;
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chip->tea.private_data = chip;
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chip->tea.ops = &snd_es1968_tea_ops;
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snd_tea575x_init(&chip->tea);
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#endif
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*chip_ret = chip;
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return 0;
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