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
diff -urp linux-2.6.38-rc4-orig/sound/pci/es1968.c linux-2.6.38-rc4/sound/pci/es1968.c --- linux-2.6.38-rc4-orig/sound/pci/es1968.c 2011-02-08 01:03:55.000000000 +0100 +++ linux-2.6.38-rc4/sound/pci/es1968.c 2011-03-18 22:51:48.000000000 +0100 @@ -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_re } #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 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(s
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; diff -urp linux-2.6.38-rc4-orig/sound/pci/Kconfig linux-2.6.38-rc4/sound/pci/Kconfig --- linux-2.6.38-rc4-orig/sound/pci/Kconfig 2011-02-08 01:03:55.000000000 +0100 +++ linux-2.6.38-rc4/sound/pci/Kconfig 2011-03-13 00:01:26.000000000 +0100 @@ -528,6 +528,14 @@ 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 @@ -549,10 +557,10 @@ 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"
diff -urp linux-2.6.38-rc4-orig/sound/i2c/other/Makefile linux-2.6.38-rc4/sound/i2c/other/Makefile --- linux-2.6.38-rc4-orig/sound/i2c/other/Makefile 2011-02-08 01:03:55.000000000 +0100 +++ linux-2.6.38-rc4/sound/i2c/other/Makefile 2011-03-12 23:59:37.000000000 +0100 @@ -14,4 +14,4 @@ snd-tea575x-tuner-objs := tea575x-tuner. 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