ALSA CVS update - Jaroslav Kysela <perex@suse.cz>

Serial BUS drivers,TEA575x tuner,PCI drivers,FM801 driver
Added module for TEA575x radio tuners used in cheap FM801 based soundcards from Media Forte.

include/sound/tea575x-tuner.h

+#ifndef __SOUND_TEA575X_TUNER_H
+#define __SOUND_TEA575X_TUNER_H
+
+/*
+ *   ALSA driver for TEA5757/5759 Philips AM/FM tuner chips
+ *
+ *	Copyright (c) 2004 Jaroslav Kysela <perex@suse.cz>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */      
+
+#include <linux/videodev.h>
+
+typedef struct snd_tea575x tea575x_t;
+
+struct snd_tea575x_ops {
+	void (*write)(tea575x_t *tea, unsigned int val);
+	unsigned int (*read)(tea575x_t *tea);
+};
+
+struct snd_tea575x {
+	snd_card_t *card;
+	struct video_device vd;		/* video device */
+	int dev_nr;			/* requested device number + 1 */
+	int vd_registered;		/* video device is registered */
+	int tea5759;			/* 5759 chip is present */
+	unsigned int freq_fixup;	/* crystal onboard */
+	unsigned int val;		/* hw value */
+	unsigned long freq;		/* frequency */
+	struct snd_tea575x_ops *ops;
+	void *private_data;
+};
+
+void snd_tea575x_init(tea575x_t *tea);
+void snd_tea575x_exit(tea575x_t *tea);
+
+#endif /* __SOUND_TEA575X_TUNER_H */

sound/i2c/other/Makefile

@@ -4,7 +4,9 @@
 #
 
 snd-ak4xxx-adda-objs := ak4xxx-adda.o
+snd-tea575x-tuner-objs := tea575x-tuner.o
 
 # Module Dependency
 obj-$(CONFIG_SND_ICE1712) += snd-ak4xxx-adda.o
 obj-$(CONFIG_SND_ICE1724) += snd-ak4xxx-adda.o
+obj-$(CONFIG_SND_FM801_TEA575X) += snd-tea575x-tuner.o

sound/i2c/other/tea575x-tuner.c

+/*
+ *   ALSA driver for TEA5757/5759 Philips AM/FM radio tuner chips
+ *
+ *	Copyright (c) 2004 Jaroslav Kysela <perex@suse.cz>
+ *
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */      
+
+#include <sound/driver.h>
+#include <asm/io.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <sound/core.h>
+#include <sound/tea575x-tuner.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
+MODULE_DESCRIPTION("Routines for control of TEA5757/5759 Philips AM/FM radio tuner chips");
+MODULE_LICENSE("GPL");
+
+/*
+ * definitions
+ */
+
+#define TEA575X_BIT_SEARCH	(1<<24)		/* 1 = search action, 0 = tuned */
+#define TEA575X_BIT_UPDOWN	(1<<23)		/* 0 = search down, 1 = search up */
+#define TEA575X_BIT_MONO	(1<<22)		/* 0 = stereo, 1 = mono */
+#define TEA575X_BIT_BAND_MASK	(3<<20)
+#define TEA575X_BIT_BAND_FM	(0<<20)
+#define TEA575X_BIT_BAND_MW	(1<<20)
+#define TEA575X_BIT_BAND_LW	(1<<21)
+#define TEA575X_BIT_BAND_SW	(1<<22)
+#define TEA575X_BIT_PORT_0	(1<<19)		/* user bit */
+#define TEA575X_BIT_PORT_1	(1<<18)		/* user bit */
+#define TEA575X_BIT_SEARCH_MASK	(3<<16)		/* search level */
+#define TEA575X_BIT_SEARCH_5_28	     (0<<16)	/* FM >5uV, AM >28uV */
+#define TEA575X_BIT_SEARCH_10_40     (1<<16)	/* FM >10uV, AM > 40uV */
+#define TEA575X_BIT_SEARCH_30_63     (2<<16)	/* FM >30uV, AM > 63uV */
+#define TEA575X_BIT_SEARCH_150_1000  (3<<16)	/* FM > 150uV, AM > 1000uV */
+#define TEA575X_BIT_DUMMY	(1<<15)		/* buffer */
+#define TEA575X_BIT_FREQ_MASK	0x7fff
+
+/*
+ * lowlevel part
+ */
+
+static void snd_tea575x_set_freq(tea575x_t *tea)
+{
+	unsigned long freq;
+
+	freq = tea->freq / 16;		/* to kHz */
+	if (freq > 108000)
+		freq = 108000;
+	if (freq < 87000)
+		freq = 87000;
+	/* crystal fixup */
+	if (tea->tea5759)
+		freq -= tea->freq_fixup;
+	else
+		freq += tea->freq_fixup;
+	/* freq /= 12.5 */
+	freq *= 10;
+	freq /= 125;
+
+	tea->val &= ~TEA575X_BIT_FREQ_MASK;
+	tea->val |= freq & TEA575X_BIT_FREQ_MASK;
+	tea->ops->write(tea, tea->val);
+}
+
+/*
+ * Linux Video interface
+ */
+
+static int snd_tea575x_open(struct video_device *dev, int flags)
+{
+	return 0;
+}
+
+static void snd_tea575x_close(struct video_device *dev)
+{
+}
+
+static int snd_tea575x_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
+{
+	tea575x_t *tea = dev->priv;
+	
+	switch(cmd) {
+		case VIDIOCGCAP:
+		{
+			struct video_capability v;
+			v.type = VID_TYPE_TUNER;
+			v.channels = 1;
+			v.audios = 1;
+			/* No we don't do pictures */
+			v.maxwidth = 0;
+			v.maxheight = 0;
+			v.minwidth = 0;
+			v.minheight = 0;
+			strcpy(v.name, tea->tea5759 ? "TEA5759" : "TEA5757");
+			if (copy_to_user(arg,&v,sizeof(v)))
+				return -EFAULT;
+			return 0;
+		}
+		case VIDIOCGTUNER:
+		{
+			struct video_tuner v;
+			if (copy_from_user(&v, arg,sizeof(v))!=0) 
+				return -EFAULT;
+			if (v.tuner)	/* Only 1 tuner */ 
+				return -EINVAL;
+			v.rangelow = (87*16000);
+			v.rangehigh = (108*16000);
+			v.flags = VIDEO_TUNER_LOW;
+			v.mode = VIDEO_MODE_AUTO;
+			strcpy(v.name, "FM");
+			v.signal = 0xFFFF;
+			if (copy_to_user(arg, &v, sizeof(v)))
+				return -EFAULT;
+			return 0;
+		}
+		case VIDIOCSTUNER:
+		{
+			struct video_tuner v;
+			if(copy_from_user(&v, arg, sizeof(v)))
+				return -EFAULT;
+			if(v.tuner!=0)
+				return -EINVAL;
+			/* Only 1 tuner so no setting needed ! */
+			return 0;
+		}
+		case VIDIOCGFREQ:
+			if(copy_to_user(arg, &tea->freq, sizeof(tea->freq)))
+				return -EFAULT;
+			return 0;
+		case VIDIOCSFREQ:
+			if(copy_from_user(&tea->freq, arg, sizeof(tea->freq)))
+				return -EFAULT;
+			snd_tea575x_set_freq(tea);
+			return 0;
+		case VIDIOCGAUDIO:
+		{	
+			struct video_audio v;
+			memset(&v, 0, sizeof(v));
+			strcpy(v.name, "Radio");
+			if(copy_to_user(arg,&v, sizeof(v)))
+				return -EFAULT;
+			return 0;			
+		}
+		case VIDIOCSAUDIO:
+		{
+			struct video_audio v;
+			if(copy_from_user(&v, arg, sizeof(v))) 
+				return -EFAULT;	
+			if(v.audio) 
+				return -EINVAL;
+			return 0;
+		}
+		default:
+			return -ENOIOCTLCMD;
+	}
+}
+
+/*
+ * initialize all the tea575x chips
+ */
+void snd_tea575x_init(tea575x_t *tea)
+{
+	unsigned int val;
+
+	val = tea->ops->read(tea);
+	if (val == 0x1ffffff || val == 0) {
+		snd_printk(KERN_ERR "Cannot find TEA575x chip\n");
+		return;
+	}
+
+	memset(&tea->vd, 0, sizeof(tea->vd));
+	tea->vd.owner = tea->card->module;
+	strcpy(tea->vd.name, tea->tea5759 ? "TEA5759 radio" : "TEA5757 radio");
+	tea->vd.type = VID_TYPE_TUNER;
+	tea->vd.hardware = VID_HARDWARE_RTRACK;	/* FIXME: assign new number */
+	tea->vd.open = snd_tea575x_open;
+	tea->vd.close = snd_tea575x_close;
+	tea->vd.ioctl = snd_tea575x_ioctl;
+	tea->vd.priv = tea;
+	if (video_register_device(&tea->vd, VFL_TYPE_RADIO, tea->dev_nr - 1) < 0) {
+		snd_printk(KERN_ERR "unable to register tea575x tuner\n");
+		return;
+	}
+	tea->vd_registered = 1;
+
+	tea->val = TEA575X_BIT_BAND_FM | TEA575X_BIT_SEARCH_10_40;
+	tea->freq = 90500 * 16;		/* 90.5Mhz default */
+
+	snd_tea575x_set_freq(tea);
+}
+
+void snd_tea575x_exit(tea575x_t *tea)
+{
+	if (tea->vd_registered) {
+		video_unregister_device(&tea->vd);
+		tea->vd_registered = 0;
+	}
+}
+
+static int __init alsa_tea575x_module_init(void)
+{
+	return 0;
+}
+        
+static void __exit alsa_tea575x_module_exit(void)
+{
+}
+        
+module_init(alsa_tea575x_module_init)
+module_exit(alsa_tea575x_module_exit)
+
+EXPORT_SYMBOL(snd_tea575x_init);
+EXPORT_SYMBOL(snd_tea575x_exit);

sound/pci/Kconfig

@@ -147,6 +147,13 @@ config SND_FM801
 	help
 	  Say 'Y' or 'M' to include support for ForteMedia FM801 based soundcards.
 
+config CONFIG_SND_FM801_TEA575X
+	tristate "ForteMedia FM801 + TEA5757 tuner"
+	depends on SND_FM801 || CONFIG_VIDEO_DEV
+	help
+	  Say 'Y' or 'M' to include support for ForteMedia FM801 based soundcards
+          with TEA5757 tuner connected to GPIO1-3 pins (Media Forte SF256-PCS-02).
+
 config SND_ICE1712
 	tristate "ICEnsemble ICE1712 (Envy24)"
 	depends on SND