| Message ID | 25054205c5119e9e7a86aad5a15ea0b5f8b0ca30.1363000605.git.hans.verkuil@cisco.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Em Mon, 11 Mar 2013 12:45:47 +0100 Hans Verkuil <hverkuil@xs4all.nl> escreveu: > From: Hans Verkuil <hans.verkuil@cisco.com> > > The Sony BTF PG472Z has an internal MPX to deal with mono/stereo/bilingual > audio. This is split off from the wis-sony-tuner driver that is part of > the go7007 driver as it should be a separate i2c sub-device driver. > > The wis-sony-tuner is really three i2c devices: a standard tuner, a tda9887 > compatible demodulator and this mpx. After this patch the wis-sony-tuner > can be replaced by this driver and the standard tuner driver. > > Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> > --- > drivers/media/i2c/Kconfig | 11 +- > drivers/media/i2c/Makefile | 1 + > drivers/media/i2c/sony-btf-mpx.c | 399 ++++++++++++++++++++++++++++++++++++++ Not sure what happened, but sony-btf-mpx.c got missed on the version inside the pull request. So, I got it from this patch. > 3 files changed, 410 insertions(+), 1 deletion(-) > create mode 100644 drivers/media/i2c/sony-btf-mpx.c > > diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig > index 7b771ba..70dbae2 100644 > --- a/drivers/media/i2c/Kconfig > +++ b/drivers/media/i2c/Kconfig > @@ -133,7 +133,7 @@ config VIDEO_WM8739 > module will be called wm8739. > > config VIDEO_VP27SMPX > - tristate "Panasonic VP27s internal MPX" > + tristate "Panasonic VP27's internal MPX" > depends on VIDEO_V4L2 && I2C > ---help--- > Support for the internal MPX of the Panasonic VP27s tuner. > @@ -141,6 +141,15 @@ config VIDEO_VP27SMPX > To compile this driver as a module, choose M here: the > module will be called vp27smpx. > > +config VIDEO_SONY_BTF_MPX > + tristate "Sony BTF's internal MPX" > + depends on VIDEO_V4L2 && I2C > + help > + Support for the internal MPX of the Sony BTF-PG472Z tuner. > + > + To compile this driver as a module, choose M here: the > + module will be called sony-btf-mpx. > + > comment "RDS decoders" > > config VIDEO_SAA6588 > diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile > index cfefd30..4c57075 100644 > --- a/drivers/media/i2c/Makefile > +++ b/drivers/media/i2c/Makefile > @@ -44,6 +44,7 @@ obj-$(CONFIG_VIDEO_TLV320AIC23B) += tlv320aic23b.o > obj-$(CONFIG_VIDEO_WM8775) += wm8775.o > obj-$(CONFIG_VIDEO_WM8739) += wm8739.o > obj-$(CONFIG_VIDEO_VP27SMPX) += vp27smpx.o > +obj-$(CONFIG_VIDEO_SONY_BTF_MPX) += sony-btf-mpx.o > obj-$(CONFIG_VIDEO_UPD64031A) += upd64031a.o > obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o > obj-$(CONFIG_VIDEO_OV7670) += ov7670.o > diff --git a/drivers/media/i2c/sony-btf-mpx.c b/drivers/media/i2c/sony-btf-mpx.c > new file mode 100644 > index 0000000..bc73e8f > --- /dev/null > +++ b/drivers/media/i2c/sony-btf-mpx.c > @@ -0,0 +1,399 @@ > +/* > + * Copyright (C) 2005-2006 Micronas USA Inc. > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License (Version 2) as > + * published by the Free Software Foundation. > + * > + * 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/module.h> > +#include <linux/init.h> > +#include <linux/i2c.h> > +#include <linux/videodev2.h> > +#include <media/tuner.h> > +#include <media/v4l2-common.h> > +#include <media/v4l2-ioctl.h> > +#include <media/v4l2-device.h> > +#include <linux/slab.h> > + > +MODULE_DESCRIPTION("sony-btf-mpx driver"); > +MODULE_LICENSE("GPL v2"); > + > +static int debug; > +module_param(debug, int, 0644); > +MODULE_PARM_DESC(debug, "debug level 0=off(default) 1=on\n"); > + > +/* #define MPX_DEBUG */ > + > +/* > + * Note: > + * > + * AS(IF/MPX) pin: LOW HIGH/OPEN > + * IF/MPX address: 0x42/0x40 0x43/0x44 > + */ > + > + > +static int force_mpx_mode = -1; > +module_param(force_mpx_mode, int, 0644); > + > +struct sony_btf_mpx { > + struct v4l2_subdev sd; > + int mpxmode; > + u32 audmode; > +}; > + > +static inline struct sony_btf_mpx *to_state(struct v4l2_subdev *sd) > +{ > + return container_of(sd, struct sony_btf_mpx, sd); > +} > + > +static int mpx_write(struct i2c_client *client, int dev, int addr, int val) > +{ > + u8 buffer[5]; > + struct i2c_msg msg; > + > + buffer[0] = dev; > + buffer[1] = addr >> 8; > + buffer[2] = addr & 0xff; > + buffer[3] = val >> 8; > + buffer[4] = val & 0xff; > + msg.addr = client->addr; > + msg.flags = 0; > + msg.len = 5; > + msg.buf = buffer; > + i2c_transfer(client->adapter, &msg, 1); > + return 0; > +} > + > +/* > + * MPX register values for the BTF-PG472Z: > + * > + * FM_ NICAM_ SCART_ > + * MODUS SOURCE ACB PRESCAL PRESCAL PRESCAL SYSTEM VOLUME > + * 10/0030 12/0008 12/0013 12/000E 12/0010 12/0000 10/0020 12/0000 > + * --------------------------------------------------------------- > + * Auto 1003 0020 0100 2603 5000 XXXX 0001 7500 > + * > + * B/G > + * Mono 1003 0020 0100 2603 5000 XXXX 0003 7500 > + * A2 1003 0020 0100 2601 5000 XXXX 0003 7500 > + * NICAM 1003 0120 0100 2603 5000 XXXX 0008 7500 > + * > + * I > + * Mono 1003 0020 0100 2603 7900 XXXX 000A 7500 > + * NICAM 1003 0120 0100 2603 7900 XXXX 000A 7500 > + * > + * D/K > + * Mono 1003 0020 0100 2603 5000 XXXX 0004 7500 > + * A2-1 1003 0020 0100 2601 5000 XXXX 0004 7500 > + * A2-2 1003 0020 0100 2601 5000 XXXX 0005 7500 > + * A2-3 1003 0020 0100 2601 5000 XXXX 0007 7500 > + * NICAM 1003 0120 0100 2603 5000 XXXX 000B 7500 > + * > + * L/L' > + * Mono 0003 0200 0100 7C03 5000 2200 0009 7500 > + * NICAM 0003 0120 0100 7C03 5000 XXXX 0009 7500 > + * > + * M > + * Mono 1003 0200 0100 2B03 5000 2B00 0002 7500 > + * > + * For Asia, replace the 0x26XX in FM_PRESCALE with 0x14XX. > + * > + * Bilingual selection in A2/NICAM: > + * > + * High byte of SOURCE Left chan Right chan > + * 0x01 MAIN SUB > + * 0x03 MAIN MAIN > + * 0x04 SUB SUB > + * > + * Force mono in NICAM by setting the high byte of SOURCE to 0x02 (L/L') or > + * 0x00 (all other bands). Force mono in A2 with FMONO_A2: > + * > + * FMONO_A2 > + * 10/0022 > + * -------- > + * Forced mono ON 07F0 > + * Forced mono OFF 0190 > + */ > + > +static const struct { > + enum { AUD_MONO, AUD_A2, AUD_NICAM, AUD_NICAM_L } audio_mode; > + u16 modus; > + u16 source; > + u16 acb; > + u16 fm_prescale; > + u16 nicam_prescale; > + u16 scart_prescale; > + u16 system; > + u16 volume; > +} mpx_audio_modes[] = { > + /* Auto */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603, > + 0x5000, 0x0000, 0x0001, 0x7500 }, > + /* B/G Mono */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603, > + 0x5000, 0x0000, 0x0003, 0x7500 }, > + /* B/G A2 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601, > + 0x5000, 0x0000, 0x0003, 0x7500 }, > + /* B/G NICAM */ { AUD_NICAM, 0x1003, 0x0120, 0x0100, 0x2603, > + 0x5000, 0x0000, 0x0008, 0x7500 }, > + /* I Mono */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603, > + 0x7900, 0x0000, 0x000A, 0x7500 }, > + /* I NICAM */ { AUD_NICAM, 0x1003, 0x0120, 0x0100, 0x2603, > + 0x7900, 0x0000, 0x000A, 0x7500 }, > + /* D/K Mono */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603, > + 0x5000, 0x0000, 0x0004, 0x7500 }, > + /* D/K A2-1 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601, > + 0x5000, 0x0000, 0x0004, 0x7500 }, > + /* D/K A2-2 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601, > + 0x5000, 0x0000, 0x0005, 0x7500 }, > + /* D/K A2-3 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601, > + 0x5000, 0x0000, 0x0007, 0x7500 }, > + /* D/K NICAM */ { AUD_NICAM, 0x1003, 0x0120, 0x0100, 0x2603, > + 0x5000, 0x0000, 0x000B, 0x7500 }, > + /* L/L' Mono */ { AUD_MONO, 0x0003, 0x0200, 0x0100, 0x7C03, > + 0x5000, 0x2200, 0x0009, 0x7500 }, > + /* L/L' NICAM */{ AUD_NICAM_L, 0x0003, 0x0120, 0x0100, 0x7C03, > + 0x5000, 0x0000, 0x0009, 0x7500 }, > +}; > + > +#define MPX_NUM_MODES ARRAY_SIZE(mpx_audio_modes) > + > +static int mpx_setup(struct sony_btf_mpx *t) > +{ > + struct i2c_client *client = v4l2_get_subdevdata(&t->sd); > + u16 source = 0; > + u8 buffer[3]; > + struct i2c_msg msg; > + int mode = t->mpxmode; > + > + /* reset MPX */ > + buffer[0] = 0x00; > + buffer[1] = 0x80; > + buffer[2] = 0x00; > + msg.addr = client->addr; > + msg.flags = 0; > + msg.len = 3; > + msg.buf = buffer; > + i2c_transfer(client->adapter, &msg, 1); > + buffer[1] = 0x00; > + i2c_transfer(client->adapter, &msg, 1); > + > + if (t->audmode != V4L2_TUNER_MODE_MONO) > + mode++; > + > + if (mpx_audio_modes[mode].audio_mode != AUD_MONO) { > + switch (t->audmode) { > + case V4L2_TUNER_MODE_MONO: > + switch (mpx_audio_modes[mode].audio_mode) { > + case AUD_A2: > + source = mpx_audio_modes[mode].source; > + break; > + case AUD_NICAM: > + source = 0x0000; > + break; > + case AUD_NICAM_L: > + source = 0x0200; > + break; > + default: > + break; > + } > + break; > + case V4L2_TUNER_MODE_STEREO: > + source = mpx_audio_modes[mode].source; > + break; > + case V4L2_TUNER_MODE_LANG1: > + source = 0x0300; > + break; > + case V4L2_TUNER_MODE_LANG2: > + source = 0x0400; > + break; > + } > + source |= mpx_audio_modes[mode].source & 0x00ff; > + } else > + source = mpx_audio_modes[mode].source; > + > + mpx_write(client, 0x10, 0x0030, mpx_audio_modes[mode].modus); > + mpx_write(client, 0x12, 0x0008, source); > + mpx_write(client, 0x12, 0x0013, mpx_audio_modes[mode].acb); > + mpx_write(client, 0x12, 0x000e, > + mpx_audio_modes[mode].fm_prescale); > + mpx_write(client, 0x12, 0x0010, > + mpx_audio_modes[mode].nicam_prescale); > + mpx_write(client, 0x12, 0x000d, > + mpx_audio_modes[mode].scart_prescale); > + mpx_write(client, 0x10, 0x0020, mpx_audio_modes[mode].system); > + mpx_write(client, 0x12, 0x0000, mpx_audio_modes[mode].volume); > + if (mpx_audio_modes[mode].audio_mode == AUD_A2) > + mpx_write(client, 0x10, 0x0022, > + t->audmode == V4L2_TUNER_MODE_MONO ? 0x07f0 : 0x0190); > + > +#ifdef MPX_DEBUG > + { > + u8 buf1[3], buf2[2]; > + struct i2c_msg msgs[2]; > + > + v4l2_info(client, > + "MPX registers: %04x %04x %04x %04x %04x %04x %04x %04x\n", > + mpx_audio_modes[mode].modus, > + source, > + mpx_audio_modes[mode].acb, > + mpx_audio_modes[mode].fm_prescale, > + mpx_audio_modes[mode].nicam_prescale, > + mpx_audio_modes[mode].scart_prescale, > + mpx_audio_modes[mode].system, > + mpx_audio_modes[mode].volume); > + buf1[0] = 0x11; > + buf1[1] = 0x00; > + buf1[2] = 0x7e; > + msgs[0].addr = client->addr; > + msgs[0].flags = 0; > + msgs[0].len = 3; > + msgs[0].buf = buf1; > + msgs[1].addr = client->addr; > + msgs[1].flags = I2C_M_RD; > + msgs[1].len = 2; > + msgs[1].buf = buf2; > + i2c_transfer(client->adapter, msgs, 2); > + v4l2_info(client, "MPX system: %02x%02x\n", > + buf2[0], buf2[1]); > + buf1[0] = 0x11; > + buf1[1] = 0x02; > + buf1[2] = 0x00; > + i2c_transfer(client->adapter, msgs, 2); > + v4l2_info(client, "MPX status: %02x%02x\n", > + buf2[0], buf2[1]); > + } > +#endif > + return 0; > +} > + > + > +static int sony_btf_mpx_s_std(struct v4l2_subdev *sd, v4l2_std_id std) > +{ > + struct sony_btf_mpx *t = to_state(sd); > + int default_mpx_mode = 0; > + > + if (std & V4L2_STD_PAL_BG) > + default_mpx_mode = 1; > + else if (std & V4L2_STD_PAL_I) > + default_mpx_mode = 4; > + else if (std & V4L2_STD_PAL_DK) > + default_mpx_mode = 6; > + else if (std & V4L2_STD_SECAM_L) > + default_mpx_mode = 11; > + > + if (default_mpx_mode != t->mpxmode) { > + t->mpxmode = default_mpx_mode; > + mpx_setup(t); > + } > + return 0; > +} > + > +static int sony_btf_mpx_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) > +{ > + struct sony_btf_mpx *t = to_state(sd); > + > + vt->capability = V4L2_TUNER_CAP_NORM | > + V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | > + V4L2_TUNER_CAP_LANG2; > + vt->rxsubchans = V4L2_TUNER_SUB_MONO | > + V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | > + V4L2_TUNER_SUB_LANG2; > + vt->audmode = t->audmode; > + return 0; > +} > + > +static int sony_btf_mpx_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) > +{ > + struct sony_btf_mpx *t = to_state(sd); > + > + if (vt->type != V4L2_TUNER_ANALOG_TV) > + return -EINVAL; > + > + if (vt->audmode != t->audmode) { > + t->audmode = vt->audmode; > + mpx_setup(t); > + } > + return 0; > +} > + > +/* --------------------------------------------------------------------------*/ > + > +static const struct v4l2_subdev_core_ops sony_btf_mpx_core_ops = { > + .s_std = sony_btf_mpx_s_std, > +}; > + > +static const struct v4l2_subdev_tuner_ops sony_btf_mpx_tuner_ops = { > + .s_tuner = sony_btf_mpx_s_tuner, > + .g_tuner = sony_btf_mpx_g_tuner, > +}; > + > +static const struct v4l2_subdev_ops sony_btf_mpx_ops = { > + .core = &sony_btf_mpx_core_ops, > + .tuner = &sony_btf_mpx_tuner_ops, > +}; > + > +/* --------------------------------------------------------------------------*/ > + > +static int sony_btf_mpx_probe(struct i2c_client *client, > + const struct i2c_device_id *id) > +{ > + struct sony_btf_mpx *t; > + struct v4l2_subdev *sd; > + > + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) > + return -ENODEV; > + > + v4l_info(client, "chip found @ 0x%x (%s)\n", > + client->addr << 1, client->adapter->name); > + > + t = kzalloc(sizeof(struct sony_btf_mpx), GFP_KERNEL); > + if (t == NULL) > + return -ENOMEM; > + > + sd = &t->sd; > + v4l2_i2c_subdev_init(sd, client, &sony_btf_mpx_ops); > + > + /* Initialize sony_btf_mpx */ > + t->mpxmode = 0; > + t->audmode = V4L2_TUNER_MODE_STEREO; > + > + return 0; > +} > + > +static int sony_btf_mpx_remove(struct i2c_client *client) > +{ > + struct v4l2_subdev *sd = i2c_get_clientdata(client); > + > + v4l2_device_unregister_subdev(sd); > + kfree(to_state(sd)); > + > + return 0; > +} > + > +/* ----------------------------------------------------------------------- */ > + > +static const struct i2c_device_id sony_btf_mpx_id[] = { > + { "sony-btf-mpx", 0 }, > + { } > +}; > +MODULE_DEVICE_TABLE(i2c, sony_btf_mpx_id); > + > +static struct i2c_driver sony_btf_mpx_driver = { > + .driver = { > + .owner = THIS_MODULE, > + .name = "sony-btf-mpx", > + }, > + .probe = sony_btf_mpx_probe, > + .remove = sony_btf_mpx_remove, > + .id_table = sony_btf_mpx_id, > +}; > +module_i2c_driver(sony_btf_mpx_driver);
On Sun March 24 2013 16:21:12 Mauro Carvalho Chehab wrote: > Em Mon, 11 Mar 2013 12:45:47 +0100 > Hans Verkuil <hverkuil@xs4all.nl> escreveu: > > > From: Hans Verkuil <hans.verkuil@cisco.com> > > > > The Sony BTF PG472Z has an internal MPX to deal with mono/stereo/bilingual > > audio. This is split off from the wis-sony-tuner driver that is part of > > the go7007 driver as it should be a separate i2c sub-device driver. > > > > The wis-sony-tuner is really three i2c devices: a standard tuner, a tda9887 > > compatible demodulator and this mpx. After this patch the wis-sony-tuner > > can be replaced by this driver and the standard tuner driver. > > > > Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> > > --- > > drivers/media/i2c/Kconfig | 11 +- > > drivers/media/i2c/Makefile | 1 + > > drivers/media/i2c/sony-btf-mpx.c | 399 ++++++++++++++++++++++++++++++++++++++ > > Not sure what happened, but sony-btf-mpx.c got missed on the version inside > the pull request. > > So, I got it from this patch. Grr. I found the same 'const' issue as you did, fixed it in my tree but forgot to do a git add for the file :-( Sorry. Regards, Hans -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index 7b771ba..70dbae2 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -133,7 +133,7 @@ config VIDEO_WM8739 module will be called wm8739. config VIDEO_VP27SMPX - tristate "Panasonic VP27s internal MPX" + tristate "Panasonic VP27's internal MPX" depends on VIDEO_V4L2 && I2C ---help--- Support for the internal MPX of the Panasonic VP27s tuner. @@ -141,6 +141,15 @@ config VIDEO_VP27SMPX To compile this driver as a module, choose M here: the module will be called vp27smpx. +config VIDEO_SONY_BTF_MPX + tristate "Sony BTF's internal MPX" + depends on VIDEO_V4L2 && I2C + help + Support for the internal MPX of the Sony BTF-PG472Z tuner. + + To compile this driver as a module, choose M here: the + module will be called sony-btf-mpx. + comment "RDS decoders" config VIDEO_SAA6588 diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index cfefd30..4c57075 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -44,6 +44,7 @@ obj-$(CONFIG_VIDEO_TLV320AIC23B) += tlv320aic23b.o obj-$(CONFIG_VIDEO_WM8775) += wm8775.o obj-$(CONFIG_VIDEO_WM8739) += wm8739.o obj-$(CONFIG_VIDEO_VP27SMPX) += vp27smpx.o +obj-$(CONFIG_VIDEO_SONY_BTF_MPX) += sony-btf-mpx.o obj-$(CONFIG_VIDEO_UPD64031A) += upd64031a.o obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o obj-$(CONFIG_VIDEO_OV7670) += ov7670.o diff --git a/drivers/media/i2c/sony-btf-mpx.c b/drivers/media/i2c/sony-btf-mpx.c new file mode 100644 index 0000000..bc73e8f --- /dev/null +++ b/drivers/media/i2c/sony-btf-mpx.c @@ -0,0 +1,399 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * 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/module.h> +#include <linux/init.h> +#include <linux/i2c.h> +#include <linux/videodev2.h> +#include <media/tuner.h> +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <media/v4l2-device.h> +#include <linux/slab.h> + +MODULE_DESCRIPTION("sony-btf-mpx driver"); +MODULE_LICENSE("GPL v2"); + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "debug level 0=off(default) 1=on\n"); + +/* #define MPX_DEBUG */ + +/* + * Note: + * + * AS(IF/MPX) pin: LOW HIGH/OPEN + * IF/MPX address: 0x42/0x40 0x43/0x44 + */ + + +static int force_mpx_mode = -1; +module_param(force_mpx_mode, int, 0644); + +struct sony_btf_mpx { + struct v4l2_subdev sd; + int mpxmode; + u32 audmode; +}; + +static inline struct sony_btf_mpx *to_state(struct v4l2_subdev *sd) +{ + return container_of(sd, struct sony_btf_mpx, sd); +} + +static int mpx_write(struct i2c_client *client, int dev, int addr, int val) +{ + u8 buffer[5]; + struct i2c_msg msg; + + buffer[0] = dev; + buffer[1] = addr >> 8; + buffer[2] = addr & 0xff; + buffer[3] = val >> 8; + buffer[4] = val & 0xff; + msg.addr = client->addr; + msg.flags = 0; + msg.len = 5; + msg.buf = buffer; + i2c_transfer(client->adapter, &msg, 1); + return 0; +} + +/* + * MPX register values for the BTF-PG472Z: + * + * FM_ NICAM_ SCART_ + * MODUS SOURCE ACB PRESCAL PRESCAL PRESCAL SYSTEM VOLUME + * 10/0030 12/0008 12/0013 12/000E 12/0010 12/0000 10/0020 12/0000 + * --------------------------------------------------------------- + * Auto 1003 0020 0100 2603 5000 XXXX 0001 7500 + * + * B/G + * Mono 1003 0020 0100 2603 5000 XXXX 0003 7500 + * A2 1003 0020 0100 2601 5000 XXXX 0003 7500 + * NICAM 1003 0120 0100 2603 5000 XXXX 0008 7500 + * + * I + * Mono 1003 0020 0100 2603 7900 XXXX 000A 7500 + * NICAM 1003 0120 0100 2603 7900 XXXX 000A 7500 + * + * D/K + * Mono 1003 0020 0100 2603 5000 XXXX 0004 7500 + * A2-1 1003 0020 0100 2601 5000 XXXX 0004 7500 + * A2-2 1003 0020 0100 2601 5000 XXXX 0005 7500 + * A2-3 1003 0020 0100 2601 5000 XXXX 0007 7500 + * NICAM 1003 0120 0100 2603 5000 XXXX 000B 7500 + * + * L/L' + * Mono 0003 0200 0100 7C03 5000 2200 0009 7500 + * NICAM 0003 0120 0100 7C03 5000 XXXX 0009 7500 + * + * M + * Mono 1003 0200 0100 2B03 5000 2B00 0002 7500 + * + * For Asia, replace the 0x26XX in FM_PRESCALE with 0x14XX. + * + * Bilingual selection in A2/NICAM: + * + * High byte of SOURCE Left chan Right chan + * 0x01 MAIN SUB + * 0x03 MAIN MAIN + * 0x04 SUB SUB + * + * Force mono in NICAM by setting the high byte of SOURCE to 0x02 (L/L') or + * 0x00 (all other bands). Force mono in A2 with FMONO_A2: + * + * FMONO_A2 + * 10/0022 + * -------- + * Forced mono ON 07F0 + * Forced mono OFF 0190 + */ + +static const struct { + enum { AUD_MONO, AUD_A2, AUD_NICAM, AUD_NICAM_L } audio_mode; + u16 modus; + u16 source; + u16 acb; + u16 fm_prescale; + u16 nicam_prescale; + u16 scart_prescale; + u16 system; + u16 volume; +} mpx_audio_modes[] = { + /* Auto */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603, + 0x5000, 0x0000, 0x0001, 0x7500 }, + /* B/G Mono */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603, + 0x5000, 0x0000, 0x0003, 0x7500 }, + /* B/G A2 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601, + 0x5000, 0x0000, 0x0003, 0x7500 }, + /* B/G NICAM */ { AUD_NICAM, 0x1003, 0x0120, 0x0100, 0x2603, + 0x5000, 0x0000, 0x0008, 0x7500 }, + /* I Mono */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603, + 0x7900, 0x0000, 0x000A, 0x7500 }, + /* I NICAM */ { AUD_NICAM, 0x1003, 0x0120, 0x0100, 0x2603, + 0x7900, 0x0000, 0x000A, 0x7500 }, + /* D/K Mono */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603, + 0x5000, 0x0000, 0x0004, 0x7500 }, + /* D/K A2-1 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601, + 0x5000, 0x0000, 0x0004, 0x7500 }, + /* D/K A2-2 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601, + 0x5000, 0x0000, 0x0005, 0x7500 }, + /* D/K A2-3 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601, + 0x5000, 0x0000, 0x0007, 0x7500 }, + /* D/K NICAM */ { AUD_NICAM, 0x1003, 0x0120, 0x0100, 0x2603, + 0x5000, 0x0000, 0x000B, 0x7500 }, + /* L/L' Mono */ { AUD_MONO, 0x0003, 0x0200, 0x0100, 0x7C03, + 0x5000, 0x2200, 0x0009, 0x7500 }, + /* L/L' NICAM */{ AUD_NICAM_L, 0x0003, 0x0120, 0x0100, 0x7C03, + 0x5000, 0x0000, 0x0009, 0x7500 }, +}; + +#define MPX_NUM_MODES ARRAY_SIZE(mpx_audio_modes) + +static int mpx_setup(struct sony_btf_mpx *t) +{ + struct i2c_client *client = v4l2_get_subdevdata(&t->sd); + u16 source = 0; + u8 buffer[3]; + struct i2c_msg msg; + int mode = t->mpxmode; + + /* reset MPX */ + buffer[0] = 0x00; + buffer[1] = 0x80; + buffer[2] = 0x00; + msg.addr = client->addr; + msg.flags = 0; + msg.len = 3; + msg.buf = buffer; + i2c_transfer(client->adapter, &msg, 1); + buffer[1] = 0x00; + i2c_transfer(client->adapter, &msg, 1); + + if (t->audmode != V4L2_TUNER_MODE_MONO) + mode++; + + if (mpx_audio_modes[mode].audio_mode != AUD_MONO) { + switch (t->audmode) { + case V4L2_TUNER_MODE_MONO: + switch (mpx_audio_modes[mode].audio_mode) { + case AUD_A2: + source = mpx_audio_modes[mode].source; + break; + case AUD_NICAM: + source = 0x0000; + break; + case AUD_NICAM_L: + source = 0x0200; + break; + default: + break; + } + break; + case V4L2_TUNER_MODE_STEREO: + source = mpx_audio_modes[mode].source; + break; + case V4L2_TUNER_MODE_LANG1: + source = 0x0300; + break; + case V4L2_TUNER_MODE_LANG2: + source = 0x0400; + break; + } + source |= mpx_audio_modes[mode].source & 0x00ff; + } else + source = mpx_audio_modes[mode].source; + + mpx_write(client, 0x10, 0x0030, mpx_audio_modes[mode].modus); + mpx_write(client, 0x12, 0x0008, source); + mpx_write(client, 0x12, 0x0013, mpx_audio_modes[mode].acb); + mpx_write(client, 0x12, 0x000e, + mpx_audio_modes[mode].fm_prescale); + mpx_write(client, 0x12, 0x0010, + mpx_audio_modes[mode].nicam_prescale); + mpx_write(client, 0x12, 0x000d, + mpx_audio_modes[mode].scart_prescale); + mpx_write(client, 0x10, 0x0020, mpx_audio_modes[mode].system); + mpx_write(client, 0x12, 0x0000, mpx_audio_modes[mode].volume); + if (mpx_audio_modes[mode].audio_mode == AUD_A2) + mpx_write(client, 0x10, 0x0022, + t->audmode == V4L2_TUNER_MODE_MONO ? 0x07f0 : 0x0190); + +#ifdef MPX_DEBUG + { + u8 buf1[3], buf2[2]; + struct i2c_msg msgs[2]; + + v4l2_info(client, + "MPX registers: %04x %04x %04x %04x %04x %04x %04x %04x\n", + mpx_audio_modes[mode].modus, + source, + mpx_audio_modes[mode].acb, + mpx_audio_modes[mode].fm_prescale, + mpx_audio_modes[mode].nicam_prescale, + mpx_audio_modes[mode].scart_prescale, + mpx_audio_modes[mode].system, + mpx_audio_modes[mode].volume); + buf1[0] = 0x11; + buf1[1] = 0x00; + buf1[2] = 0x7e; + msgs[0].addr = client->addr; + msgs[0].flags = 0; + msgs[0].len = 3; + msgs[0].buf = buf1; + msgs[1].addr = client->addr; + msgs[1].flags = I2C_M_RD; + msgs[1].len = 2; + msgs[1].buf = buf2; + i2c_transfer(client->adapter, msgs, 2); + v4l2_info(client, "MPX system: %02x%02x\n", + buf2[0], buf2[1]); + buf1[0] = 0x11; + buf1[1] = 0x02; + buf1[2] = 0x00; + i2c_transfer(client->adapter, msgs, 2); + v4l2_info(client, "MPX status: %02x%02x\n", + buf2[0], buf2[1]); + } +#endif + return 0; +} + + +static int sony_btf_mpx_s_std(struct v4l2_subdev *sd, v4l2_std_id std) +{ + struct sony_btf_mpx *t = to_state(sd); + int default_mpx_mode = 0; + + if (std & V4L2_STD_PAL_BG) + default_mpx_mode = 1; + else if (std & V4L2_STD_PAL_I) + default_mpx_mode = 4; + else if (std & V4L2_STD_PAL_DK) + default_mpx_mode = 6; + else if (std & V4L2_STD_SECAM_L) + default_mpx_mode = 11; + + if (default_mpx_mode != t->mpxmode) { + t->mpxmode = default_mpx_mode; + mpx_setup(t); + } + return 0; +} + +static int sony_btf_mpx_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) +{ + struct sony_btf_mpx *t = to_state(sd); + + vt->capability = V4L2_TUNER_CAP_NORM | + V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | + V4L2_TUNER_CAP_LANG2; + vt->rxsubchans = V4L2_TUNER_SUB_MONO | + V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | + V4L2_TUNER_SUB_LANG2; + vt->audmode = t->audmode; + return 0; +} + +static int sony_btf_mpx_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) +{ + struct sony_btf_mpx *t = to_state(sd); + + if (vt->type != V4L2_TUNER_ANALOG_TV) + return -EINVAL; + + if (vt->audmode != t->audmode) { + t->audmode = vt->audmode; + mpx_setup(t); + } + return 0; +} + +/* --------------------------------------------------------------------------*/ + +static const struct v4l2_subdev_core_ops sony_btf_mpx_core_ops = { + .s_std = sony_btf_mpx_s_std, +}; + +static const struct v4l2_subdev_tuner_ops sony_btf_mpx_tuner_ops = { + .s_tuner = sony_btf_mpx_s_tuner, + .g_tuner = sony_btf_mpx_g_tuner, +}; + +static const struct v4l2_subdev_ops sony_btf_mpx_ops = { + .core = &sony_btf_mpx_core_ops, + .tuner = &sony_btf_mpx_tuner_ops, +}; + +/* --------------------------------------------------------------------------*/ + +static int sony_btf_mpx_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct sony_btf_mpx *t; + struct v4l2_subdev *sd; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) + return -ENODEV; + + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); + + t = kzalloc(sizeof(struct sony_btf_mpx), GFP_KERNEL); + if (t == NULL) + return -ENOMEM; + + sd = &t->sd; + v4l2_i2c_subdev_init(sd, client, &sony_btf_mpx_ops); + + /* Initialize sony_btf_mpx */ + t->mpxmode = 0; + t->audmode = V4L2_TUNER_MODE_STEREO; + + return 0; +} + +static int sony_btf_mpx_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + + v4l2_device_unregister_subdev(sd); + kfree(to_state(sd)); + + return 0; +} + +/* ----------------------------------------------------------------------- */ + +static const struct i2c_device_id sony_btf_mpx_id[] = { + { "sony-btf-mpx", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, sony_btf_mpx_id); + +static struct i2c_driver sony_btf_mpx_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "sony-btf-mpx", + }, + .probe = sony_btf_mpx_probe, + .remove = sony_btf_mpx_remove, + .id_table = sony_btf_mpx_id, +}; +module_i2c_driver(sony_btf_mpx_driver);