From: Mauro Carvalho Chehab Date: Tue, 2 Oct 2007 14:57:03 +0000 (-0300) Subject: V4L/DVB (6423): Add tuner-xc2028 driver X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=6cb45879dca84c667996d65a12880db6705a2b0e;p=openwrt%2Fstaging%2Fblogic.git V4L/DVB (6423): Add tuner-xc2028 driver Add support for Xceive XC2028/XC3028 tuner driver Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index ea5be3711a7d..454846355e93 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -505,6 +505,18 @@ config TUNER_3036 Say Y here to include support for Philips SAB3036 compatible tuners. If in doubt, say N. +config TUNER_XC2028 + tristate "Xceive xc2028 support for tm5600/tm6000 driver" + depends on I2C + select VIDEO_TUNER + help + Say Y here to include support for Xceive xc2028 tuner. This is + required on a few tm5600/tm6000 designs. You should notice + that this module currently works only with the special + firmware versions used on those Trident chips. + + If in doubt, say N. + config VIDEO_VINO tristate "SGI Vino Video For Linux (EXPERIMENTAL)" depends on I2C && SGI_IP22 && EXPERIMENTAL && VIDEO_V4L2 diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index b5a064163e03..1fd775e0a0b0 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -6,6 +6,10 @@ zr36067-objs := zoran_procfs.o zoran_device.o \ zoran_driver.o zoran_card.o tuner-objs := tuner-core.o tuner-types.o tda9887.o +ifneq ($(CONFIG_TUNER_XC2028),) + tuner-objs += tuner-xc2028.o +endif + msp3400-objs := msp3400-driver.o msp3400-kthreads.o obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o compat_ioctl32.o \ diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index d1d6c664bb09..ce817a17ccf1 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -193,6 +193,8 @@ static void set_freq(struct i2c_client *c, unsigned long freq) set_tv_freq(c, freq); t->tv_freq = freq; break; + default: + tuner_dbg("freq set: unknown mode: 0x%04x!\n",t->mode); } } @@ -320,6 +322,9 @@ static void set_type(struct i2c_client *c, unsigned int type, i2c_master_send(c,buffer,4); attach_simple_tuner(t); break; + case TUNER_XC2028: + xc2028_tuner_init(c); + break; case TUNER_TDA9887: tda9887_tuner_init(t); break; diff --git a/drivers/media/video/tuner-driver.h b/drivers/media/video/tuner-driver.h index 28a10da76d12..5e733bc8362d 100644 --- a/drivers/media/video/tuner-driver.h +++ b/drivers/media/video/tuner-driver.h @@ -70,6 +70,8 @@ struct tuner { struct tuner_operations ops; }; +extern int xc2028_tuner_init(struct i2c_client *c); + /* ------------------------------------------------------------------------ */ extern int tda9887_tuner_init(struct tuner *t); diff --git a/drivers/media/video/tuner-xc2028.c b/drivers/media/video/tuner-xc2028.c new file mode 100644 index 000000000000..cfcc1fe68c5c --- /dev/null +++ b/drivers/media/video/tuner-xc2028.c @@ -0,0 +1,391 @@ +/* tuner-xc2028 + * + * Copyright (c) 2007 Mauro Carvalho Chehab (mchehab@infradead.org) + * This code is placed under the terms of the GNU General Public License v2 + */ + +#include +#include +#include +#include +#include +#include "tuner-driver.h" +#include "tuner-xc2028.h" + +/* Firmwares used on tm5600/tm6000 + xc2028/xc3028 */ +static const char *firmware_6M = "tm6000_xc3028_DTV_6M.fw"; +static const char *firmware_8M = "tm6000_xc3028_78M.fw"; +static const char *firmware_DK = "tm6000_xc3028_DK_PAL_MTS.fw"; +static const char *firmware_MN = "tm6000_xc3028_MN_BTSC.fw"; + +struct xc2028_data { + v4l2_std_id firm_type; /* video stds supported by current firmware */ + int bandwidth; /* Firmware bandwidth: 6M, 7M or 8M */ + int need_load_generic; /* The generic firmware were loaded? */ +}; + +#define i2c_send(rc,c,buf,size) \ +if (size != (rc = i2c_master_send(c, buf, size))) \ + tuner_warn("i2c output error: rc = %d (should be %d)\n", \ + rc, (int)size); + +#define i2c_rcv(rc,c,buf,size) \ +if (size != (rc = i2c_master_recv(c, buf, size))) \ + tuner_warn("i2c input error: rc = %d (should be %d)\n", \ + rc, (int)size); + +#define send_seq(c, data...) \ +{ int rc; \ + const static u8 _val[] = data; \ + if (sizeof(_val) != \ + (rc = i2c_master_send \ + (c, _val, sizeof(_val)))) { \ + printk(KERN_ERR "Error on line %d: %d\n",__LINE__,rc); \ + return; \ + } \ + msleep (10); \ +} + +static int xc2028_get_reg(struct i2c_client *c, u16 reg) +{ + int rc; + unsigned char buf[1]; + struct tuner *t = i2c_get_clientdata(c); + + buf[0]= reg; + + i2c_send(rc, c, buf, sizeof(buf)); + if (rc<0) + return rc; + + if (t->tuner_callback) { + rc = t->tuner_callback( c->adapter->algo_data, + XC2028_RESET_CLK, 0); + if (rc<0) + return rc; + } + + i2c_rcv(rc, c, buf, 2); + if (rc<0) + return rc; + + return (buf[1])|(buf[0]<<8); +} + +static int load_firmware (struct i2c_client *c, const char *name) +{ + const struct firmware *fw=NULL; + struct tuner *t = i2c_get_clientdata(c); + unsigned char *p, *endp; + int len=0, rc=0; + static const char firmware_ver[] = "tm6000/xcv v1"; + + tuner_info("Loading firmware %s\n", name); + rc = request_firmware(&fw, name, &c->dev); + if (rc < 0) { + tuner_info("Error %d while requesting firmware\n", rc); + return rc; + } + p=fw->data; + endp=p+fw->size; + + if(fw->size==0) { + tuner_info("Error: firmware size is zero!\n"); + rc=-EINVAL; + goto err; + } + if (fw->sizesize,(int)sizeof(firmware_ver)-1); + rc=-EINVAL; + goto err; + } + + if (memcmp(p,firmware_ver,sizeof(firmware_ver)-1)) { + /* Firmware is incorrect */ + tuner_info("Error: firmware is not for tm5600/6000 + Xcv2028/3028!\n"); + rc=-EINVAL; + goto err; + } + p+=sizeof(firmware_ver)-1; + + while(ptuner_callback(c->adapter->algo_data, + XC2028_TUNER_RESET, (*p)&0x7f); + if (rc<0) { + tuner_info("Error at RESET code %d\n", + (*p)&0x7f); + goto err; + } + p++; + continue; + } + len=*p; + p++; + if (p+len+1>endp) { + /* Firmware is incorrect */ + tuner_info("Error: firmware is truncated!\n"); + rc=-EINVAL; + goto err; + } + if (len<=0) { + tuner_info("Error: firmware file is corrupted!\n"); + rc=-EINVAL; + goto err; + } + + i2c_send(rc, c, p, len); + if (rc<0) + goto err; + p+=len; + + if (*p) + msleep(*p); + p++; + } + + +err: + release_firmware(fw); + + return rc; +} + +static int check_firmware(struct i2c_client *c) +{ + int rc, version; + struct tuner *t = i2c_get_clientdata(c); + struct xc2028_data *xc2028 = t->priv; + const char *name; + + if (!t->tuner_callback) { + printk(KERN_ERR "xc2028: need tuner_callback to load firmware\n"); + return -EINVAL; + } + + if (xc2028->need_load_generic) { + if (xc2028->bandwidth==6) + name = firmware_6M; + else + name = firmware_8M; + + /* Reset is needed before loading firmware */ + rc = t->tuner_callback(c->adapter->algo_data, + XC2028_TUNER_RESET, 0); + if (rc<0) + return rc; + + rc = load_firmware(c,name); + if (rc<0) + return rc; + + xc2028->need_load_generic=0; + xc2028->firm_type=0; + } + + if (xc2028->firm_type & t->std) + return 0; + + if (t->std & V4L2_STD_MN) + name=firmware_MN; + else + name=firmware_DK; + + rc = load_firmware(c,name); + if (rc<0) + return rc; + + version = xc2028_get_reg(c, 0x4); + tuner_info("Firmware version is %d.%d\n", + (version>>4)&0x0f,(version)&0x0f); + + xc2028->firm_type=t->std; + + return 0; +} + +static int xc2028_signal(struct i2c_client *c) +{ + int lock, signal; + + if (check_firmware(c)<0) + return 0; + + lock = xc2028_get_reg(c, 0x2); + if (lock<=0) + return lock; + + /* Frequency is locked. Return signal quality */ + + signal = xc2028_get_reg(c, 0x40); + + if(signal<=0) + return lock; + + return signal; +} + +#define DIV 15625 + +static void set_tv_freq(struct i2c_client *c, unsigned int freq) +{ + int rc; + unsigned char buf[5]; + struct tuner *t = i2c_get_clientdata(c); + unsigned long div = (freq*62500l+DIV/2)/DIV; + + if (check_firmware(c)<0) + return; + + /* Reset GPIO 1 */ + if (t->tuner_callback) { + rc = t->tuner_callback( c->adapter->algo_data, + XC2028_TUNER_RESET, 0); + if (rc<0) + return; + } + msleep(10); + + send_seq (c, {0x12, 0x39}); + send_seq (c, {0x0c, 0x80, 0xf0, 0xf7, 0x3e, 0x75, 0xc1, 0x8a, 0xe4}); + send_seq (c, {0x0c, 0x02, 0x00}); + send_seq (c, {0x05, 0x0f, 0xee, 0xaa, 0x5f, 0xea, 0x90}); + send_seq (c, {0x06, 0x00, 0x0a, 0x4d, 0x8c, 0xf2, 0xd8, 0xcf, 0x30}); + send_seq (c, {0x06, 0x79, 0x9f}); + send_seq (c, {0x0b, 0x0d, 0xa4, 0x6c}); + send_seq (c, {0x0a, 0x01, 0x67, 0x24, 0x40, 0x08, 0xc3, 0x20, 0x10}); + send_seq (c, {0x0a, 0x64, 0x3c, 0xfa, 0xf7, 0xe1, 0x0c, 0x2c}); + send_seq (c, {0x09, 0x0b}); + send_seq (c, {0x10, 0x13}); + send_seq (c, {0x16, 0x12}); + send_seq (c, {0x1f, 0x02}); + send_seq (c, {0x21, 0x02}); + send_seq (c, {0x01, 0x02}); + send_seq (c, {0x2b, 0x10}); + send_seq (c, {0x02, 0x02}); + send_seq (c, {0x02, 0x03}); + send_seq (c, {0x00, 0x8c}); + + send_seq (c, {0x00, 0x01, 0x00, 0x00}); + send_seq (c, {0x00, 0xcc, 0x20, 0x06}); + send_seq (c, {0x2b, 0x1a}); + send_seq (c, {0x2b, 0x1b}); + send_seq (c, {0x14, 0x01, 0x1b, 0x19, 0xb5, 0x29, 0xab, 0x09, 0x55}); + send_seq (c, {0x14, 0x44, 0x05, 0x65}); + send_seq (c, {0x13, 0x18, 0x08, 0x00, 0x00, 0x6c, 0x18, 0x16, 0x8c}); + send_seq (c, {0x13, 0x49, 0x2a, 0xab}); + send_seq (c, {0x0d, 0x01, 0x4b, 0x03, 0x97, 0x55, 0xc7, 0xd7, 0x00}); + send_seq (c, {0x0d, 0xa1, 0xeb, 0x8f, 0x5c}); + send_seq (c, {0x1a, 0x00, 0x00, 0x16, 0x8a, 0x40, 0x00, 0x00, 0x00, 0x20}); + send_seq (c, {0x2d, 0x01}); + send_seq (c, {0x18, 0x00}); + send_seq (c, {0x1b, 0x0d, 0x86, 0x51, 0xd2, 0x35, 0xa4, 0x92, 0xa5}); + send_seq (c, {0x1b, 0xb5, 0x25, 0x65}); + send_seq (c, {0x1d, 0x00}); + send_seq (c, {0x0f, 0x00, 0x29, 0x56, 0xb0, 0x00, 0xb6}); + send_seq (c, {0x20, 0x00}); + send_seq (c, {0x1e, 0x09, 0x02, 0x5b, 0x6c, 0x00, 0x4b, 0x81, 0x56}); + send_seq (c, {0x1e, 0x46, 0x69, 0x0b}); + send_seq (c, {0x22, 0x32}); + send_seq (c, {0x23, 0x0a}); + send_seq (c, {0x25, 0x00, 0x09, 0x90, 0x09, 0x06, 0x64, 0x02, 0x41}); + send_seq (c, {0x26, 0xcc}); + send_seq (c, {0x29, 0x40}); + send_seq (c, {0x21, 0x03}); + send_seq (c, {0x00, 0x8c}); + send_seq (c, {0x00, 0x00, 0x00, 0x00}); + + /* CMD= Set frequency */ + send_seq(c, {0x00, 0x02, 0x00, 0x00}); + if (t->tuner_callback) { + rc = t->tuner_callback( c->adapter->algo_data, + XC2028_RESET_CLK, 1); + if (rc<0) + return; + } + + msleep(10); +// send_seq(c, {0x00, 0x00, 0x10, 0xd0, 0x00}); +// msleep(100); + buf[0]= 0xff & (div>>24); + buf[1]= 0xff & (div>>16); + buf[2]= 0xff & (div>>8); + buf[3]= 0xff & (div); + buf[4]= 0; + + i2c_send(rc, c, buf, sizeof(buf)); + if (rc<0) + return; + msleep(100); + + printk("divider= %02x %02x %02x %02x (freq=%d.%02d)\n", + buf[1],buf[2],buf[3],buf[4], + freq / 16, freq % 16 * 100 / 16); +// printk("signal=%d\n",xc2028_signal(c)); +} + + +static void xc2028_release(struct i2c_client *c) +{ + struct tuner *t = i2c_get_clientdata(c); + + kfree(t->priv); + t->priv = NULL; +} + +static struct tuner_operations tea5767_tuner_ops = { + .set_tv_freq = set_tv_freq, + .has_signal = xc2028_signal, + .release = xc2028_release, +// .is_stereo = xc2028_stereo, +}; + + +static int init=0; + +int xc2028_tuner_init(struct i2c_client *c) +{ + struct tuner *t = i2c_get_clientdata(c); + int version = xc2028_get_reg(c, 0x4); + int prd_id = xc2028_get_reg(c, 0x8); + struct xc2028_data *xc2028; + + if (init) { + printk (KERN_ERR "Module already initialized!\n"); + return 0; + } + init++; + + xc2028 = kzalloc(sizeof(*xc2028), GFP_KERNEL); + if (!xc2028) + return -ENOMEM; + t->priv = xc2028; + +#ifdef HACK + xc2028->firm_type=1; + xc2028->bandwidth=6; +#endif + xc2028->bandwidth=6; + xc2028->need_load_generic=1; + + /* FIXME: Check where t->priv will be freed */ + + if (version<0) + version=0; + + if (prd_id<0) + prd_id=0; + + strlcpy(c->name, "xc2028", sizeof(c->name)); + tuner_info("type set to %d (%s, hw ver=%d.%d, fw ver=%d.%d, id=0x%04x)\n", + t->type, c->name, + (version>>12)&0x0f,(version>>8)&0x0f, + (version>>4)&0x0f,(version)&0x0f, prd_id); + + memcpy(&t->ops, &tea5767_tuner_ops, sizeof(struct tuner_operations)); + + return 0; +} diff --git a/drivers/media/video/tuner-xc2028.h b/drivers/media/video/tuner-xc2028.h new file mode 100644 index 000000000000..7c540c3871bf --- /dev/null +++ b/drivers/media/video/tuner-xc2028.h @@ -0,0 +1,9 @@ +/* tuner-xc2028 + * + * Copyright (c) 2007 Mauro Carvalho Chehab (mchehab@infradead.org) + * This code is placed under the terms of the GNU General Public License v2 + */ + +/* xc2028 commands for callback */ +#define XC2028_TUNER_RESET 0 +#define XC2028_RESET_CLK 1