Driver for TBS-Tech ISDB-T USB2.0 Receiver (DTB08 Full Seg). The device used as a reference is described in the link http://linuxtv.org/wiki/index.php/JH_Full_HD_Digital_TV_Receiver
Signed-off-by: Manoel Pinheiro <[email protected]> --- drivers/media/dvb/dvb-usb/Kconfig | 8 + drivers/media/dvb/dvb-usb/Makefile | 3 + drivers/media/dvb/dvb-usb/tbs-dtb08.c | 1167 +++++++++++++++++++++++++++++++++ 3 files changed, 1178 insertions(+) create mode 100644 drivers/media/dvb/dvb-usb/tbs-dtb08.c diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index 63bf456..63a794d 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -422,3 +422,11 @@ config DVB_USB_RTL28XXU select MEDIA_TUNER_MXL5005S if !MEDIA_TUNER_CUSTOMISE help Say Y here to support the Realtek RTL28xxU DVB USB receiver. + +config DVB_USB_TBSDTB08 + tristate "TBS-Tech ISDB-T Full Seg DTB08 USB2.0 support" + depends on DVB_USB + select DVB_MB86A20S + select MEDIA_TUNER_TDA18271 if !MEDIA_TUNER_CUSTOMISE + help + Say Y here to support the TBS-Tech Full Seg DTB08 ISDB-T USB2.0 receivers diff --git a/drivers/media/dvb/dvb-usb/Makefile b/drivers/media/dvb/dvb-usb/Makefile index b76acb5..051756c 100644 --- a/drivers/media/dvb/dvb-usb/Makefile +++ b/drivers/media/dvb/dvb-usb/Makefile @@ -110,6 +110,9 @@ obj-$(CONFIG_DVB_USB_MXL111SF) += mxl111sf-tuner.o dvb-usb-rtl28xxu-objs = rtl28xxu.o obj-$(CONFIG_DVB_USB_RTL28XXU) += dvb-usb-rtl28xxu.o +dvb-usb-tbsdtb08-objs = tbs-dtb08.o +obj-$(CONFIG_DVB_USB_TBSDTB08) += dvb-usb-tbsdtb08.o + ccflags-y += -I$(srctree)/drivers/media/dvb/dvb-core ccflags-y += -I$(srctree)/drivers/media/dvb/frontends/ # due to tuner-xc3028 diff --git a/drivers/media/dvb/dvb-usb/tbs-dtb08.c b/drivers/media/dvb/dvb-usb/tbs-dtb08.c new file mode 100644 index 0000000..f909312 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/tbs-dtb08.c @@ -0,0 +1,1167 @@ +/* + * TBS-Tech ISDB-T Full Seg DTB08 device driver + * + * Copyright (C) 2010-2012 Manoel Pinheiro <[email protected]> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> + +#define DVB_USB_LOG_PREFIX "tbs_dtb08" + +#include "dvb-usb.h" +#include "tda18271.h" +#include "mb86a20s.h" + +static int debug = 0; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off module debugging (default:0)."); + +#define dbg_info(format, args...) do { \ + if (debug) \ + info(format, ## args); \ +} while(0) + +#define DEMOD_I2C_ADDR 0x20 +#define TUNER_I2C_ADDR 0xc0 + +#ifndef USB_PID_TBS_DTB08 +#define USB_PID_TBS_DTB08 0xdb08 +#endif + +#define USB_VID_TBS_734C 0x734c + +#define TBS_DTB08_GET_IR_CODE 0xb8 +#define TBS_DTB08_LED_CONTROL 5 + +#define FX2_IE_EX0 7 +#define FX2_EX0_ENABLE 1 +#define FX2_EX0_DISABLE 0 +#define FX2_I2CTL 6 +#define I2CTL_100Khz 0 +#define I2CTL_400Khz 1 + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); +static DEFINE_MUTEX(tbs_dtb08_usb_mutex); +static int fw_ok = 0; + +struct mb86a20s_reg_subreg_config { + u8 reg; + u8 subreg; + u32 val; +}; + +struct mb86a20s_state { + struct usb_device *udev; + int demod_addr; + u32 current_frequency; + fe_status_t status; + u16 snr; + u16 strength; + unsigned long next_snr_check; + unsigned long next_strength_check; + unsigned long next_set_frontend_check; + unsigned long next_status_check; + int config_size; + struct mb86a20s_reg_subreg_config *config_regs; + bool need_init; + bool tuner_ctrl; +}; + +struct mb86a20s_reg_subreg_val { + u8 reg; + u8 subreg; + u8 type; /* 0=8 bits wo/sub, 1=8 bits w/sub + * 2=16 bits wo/sub, 3=16 bits w/sub, 4=24 bits */ + u32 val; +}; + +static struct mb86a20s_reg_subreg_val mb86a20s_regs_val[] = { + { 0x70, 0x00, 0x00, 0x0f }, + { 0x70, 0x00, 0x00, 0xff }, + { 0x08, 0x00, 0x00, 0x01 }, + { 0x09, 0x00, 0x00, 0x3e }, + { 0x50, 0xd1, 0x01, 0x22 }, + { 0x39, 0x00, 0x00, 0x01 }, + { 0x71, 0x00, 0x00, 0x00 }, + { 0x28, 0x2a, 0x04, 0xff80 }, + { 0x28, 0x20, 0x04, 0x33dfa9 }, + { 0x28, 0x22, 0x04, 0x1ff0 }, + { 0x3b, 0x00, 0x00, 0x21 }, + { 0x3c, 0x00, 0x00, 0x3a }, + { 0x01, 0x00, 0x00, 0x0d }, + { 0x04, 0x08, 0x01, 0x05 }, + { 0x04, 0x0e, 0x03, 0x0014 }, + { 0x04, 0x0b, 0x01, 0x8c }, + { 0x04, 0x00, 0x03, 0x0007 }, + { 0x04, 0x02, 0x03, 0x0fa0 }, + { 0x04, 0x09, 0x01, 0x00 }, + { 0x04, 0x0a, 0x01, 0xff }, + { 0x04, 0x27, 0x01, 0x64 }, + { 0x04, 0x28, 0x01, 0x00 }, + { 0x04, 0x1e, 0x01, 0xff }, + { 0x04, 0x29, 0x01, 0x0a }, + { 0x04, 0x32, 0x01, 0x0a }, + { 0x04, 0x14, 0x01, 0x02 }, + { 0x04, 0x04, 0x03, 0x0022 }, + { 0x04, 0x06, 0x03, 0x0ed8 }, + { 0x04, 0x12, 0x01, 0x00 }, + { 0x04, 0x13, 0x01, 0xff }, + { 0x04, 0x15, 0x01, 0x4e }, + { 0x04, 0x16, 0x01, 0x20 }, + { 0x52, 0x00, 0x00, 0x01 }, + { 0x50, 0xa7, 0x04, 0xffff }, + { 0x50, 0xaa, 0x04, 0xffff }, + { 0x50, 0xad, 0x04, 0xffff }, + { 0x5e, 0x00, 0x00, 0x07 }, + { 0x50, 0xdc, 0x03, 0x01f4 }, + { 0x50, 0xde, 0x03, 0x01f4 }, + { 0x50, 0xe0, 0x03, 0x01f4 }, + { 0x50, 0xb0, 0x01, 0x07 }, + { 0x50, 0xb2, 0x03, 0xffff }, + { 0x50, 0xb4, 0x03, 0xffff }, + { 0x50, 0xb6, 0x03, 0xffff }, + { 0x50, 0x50, 0x01, 0x02 }, + { 0x50, 0x51, 0x01, 0x04 }, + { 0x45, 0x00, 0x00, 0x04 }, + { 0x48, 0x00, 0x00, 0x04 }, + { 0x50, 0xd5, 0x01, 0x01 }, + { 0x50, 0xd6, 0x01, 0x1f }, + { 0x50, 0xd2, 0x01, 0x03 }, + { 0x50, 0xd7, 0x01, 0x3f }, + { 0x28, 0x74, 0x04, 0x0040 }, + { 0x28, 0x46, 0x04, 0x2c0c }, + { 0x04, 0x40, 0x01, 0x01 }, + { 0x28, 0x00, 0x01, 0x10 }, + { 0x28, 0x05, 0x01, 0x02 }, + { 0x1c, 0x00, 0x00, 0x01 }, + { 0x28, 0x06, 0x04, 0x0003 }, + { 0x28, 0x07, 0x04, 0x000d }, + { 0x28, 0x08, 0x04, 0x0002 }, + { 0x28, 0x09, 0x04, 0x0001 }, + { 0x28, 0x0a, 0x04, 0x0021 }, + { 0x28, 0x0b, 0x04, 0x0029 }, + { 0x28, 0x0c, 0x04, 0x0016 }, + { 0x28, 0x0d, 0x04, 0x0031 }, + { 0x28, 0x0e, 0x04, 0x000e }, + { 0x28, 0x0f, 0x04, 0x004e }, + { 0x28, 0x10, 0x04, 0x0046 }, + { 0x28, 0x11, 0x04, 0x000f }, + { 0x28, 0x12, 0x04, 0x0056 }, + { 0x28, 0x13, 0x04, 0x0035 }, + { 0x28, 0x14, 0x04, 0x01be }, + { 0x28, 0x15, 0x04, 0x0184 }, + { 0x28, 0x16, 0x04, 0x03ee }, + { 0x28, 0x17, 0x04, 0x0098 }, + { 0x28, 0x18, 0x04, 0x009f }, + { 0x28, 0x19, 0x04, 0x07b2 }, + { 0x28, 0x1a, 0x04, 0x06c2 }, + { 0x28, 0x1b, 0x04, 0x074a }, + { 0x28, 0x1c, 0x04, 0x01bc }, + { 0x28, 0x1d, 0x04, 0x04ba }, + { 0x28, 0x1e, 0x04, 0x0614 }, + { 0x50, 0x1e, 0x01, 0x5d }, + { 0x50, 0x22, 0x01, 0x00 }, + { 0x50, 0x23, 0x01, 0xc8 }, + { 0x50, 0x24, 0x01, 0x00 }, + { 0x50, 0x25, 0x01, 0xf0 }, + { 0x50, 0x26, 0x01, 0x00 }, + { 0x50, 0x27, 0x01, 0xc3 }, + { 0x50, 0x39, 0x01, 0x02 }, + { 0x28, 0x6a, 0x04, 0x0000 } +}; + +static u8 mb86a20s_soft_reset[] = { + 0x70, 0xf0, 0x70, 0xff, 0x08, 0x01, 0x08, 0x00 +}; + +static int tbs_dtb08_generic_read_addr(struct usb_device *udev, u8 req, + u16 addr, u8 *data, u16 len) +{ + int ret; + + ret = usb_control_msg(udev, + usb_rcvctrlpipe(udev, 0), + req, + USB_TYPE_VENDOR | USB_DIR_IN, + addr, 0, data, len, 2000); + if (ret < 0) + err("%s: ret=%d", __func__, ret); + + return ret; +} + +inline int tbs_dtb08_generic_read(struct usb_device *udev, + u8 req, u8 *data, u16 len) +{ + return tbs_dtb08_generic_read_addr(udev, req, 0, data, len); +} + +static int tbs_dtb08_generic_write_addr(struct usb_device *udev, u8 req, + u16 addr, u8 *data, u16 len) +{ + int ret; + + ret = usb_control_msg(udev, + usb_sndctrlpipe(udev, 0), + req, + USB_TYPE_VENDOR | USB_DIR_OUT, + addr, 0, data, len, 2000); + if (ret < 0) + err("%s: ret=%d", __func__, ret); + + return ret; +} + +inline int tbs_dtb08_generic_write(struct usb_device *udev, + u8 req, u8 *data, u16 len) +{ + return tbs_dtb08_generic_write_addr(udev, req, 0, data, len); +} + +inline int tbs_dtb08_ir_code_read(struct usb_device *udev, u8 *data, u16 len) +{ + return tbs_dtb08_generic_read_addr(udev, TBS_DTB08_GET_IR_CODE, 0, data, len); +} + +static int tbs_dtb08_i2c_busy(struct usb_device *udev) +{ + u8 val; + int i, ret; + + for (i = 0; i < 10; i++) { + ret = tbs_dtb08_generic_read(udev, 0x81, &val, 1); + if (ret >= 0 && val == 0) return 0; + msleep(1); + } + + return -1; +} + +static int tbs_dtb08_i2c_read(struct usb_device *udev, u8 addr, + u8 reg, u8 *data, u8 len) +{ + int ret; + u8 obuf[3]; + + if (len < 1) { + err("%s: len less than 1 bytes. Makes no sense.", __func__); + return -EINVAL; + } + + mutex_lock(&tbs_dtb08_usb_mutex); + ret = tbs_dtb08_i2c_busy(udev); + if (ret == 0) + { + obuf[0] = len; + obuf[1] = addr; + obuf[2] = reg; + + ret = tbs_dtb08_generic_write(udev, 0x90, &obuf[0], 3); + if (ret >= 0) { + ret = tbs_dtb08_i2c_busy(udev); + if (ret == 0) + ret = tbs_dtb08_generic_read(udev, 0x91, data, len); + } + } + mutex_unlock(&tbs_dtb08_usb_mutex); + + return ret; +} + +static int tbs_dtb08_i2c_write(struct usb_device *udev, u8 addr, + u8 reg, u8 *data, u8 len) +{ + int i, ret; + u8 *buf; + + if (len < 1) { + err("%s: len less than 1 bytes. Makes no sense.", __func__); + return -EINVAL; + } + if (len > 61) { + err("%s: len more than 61 bytes. Not supported.", __func__); + return -EINVAL; + } + + buf = kmalloc(64 , GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&tbs_dtb08_usb_mutex); + + buf[0] = len + 2; + buf[1] = addr; + buf[2] = reg; + + for (i = 0; i < len; i++) + buf[i+3] = data[i]; + + ret = tbs_dtb08_i2c_busy(udev); + if (ret < 0) + goto ret_err; + + ret = tbs_dtb08_generic_write(udev, 0x80, buf, len + 3); + +ret_err: + kfree(buf); + mutex_unlock(&tbs_dtb08_usb_mutex); + return ret; +} + +static int tbs_dtb08_send_cmd_8a(struct usb_device *udev, u8 val1, u8 val2) +{ + int ret; + u8 obuf[2] = { val1, val2 }; + + ret = tbs_dtb08_generic_write(udev, 0x8a, &obuf[0], 2); + + return (ret < 0) ? ret : 0; +} + +inline int tbs_dtb08_fx2_ie_ex0(struct usb_device *udev, u8 enable) +{ + return tbs_dtb08_send_cmd_8a(udev, FX2_IE_EX0, enable ? 1 : 0); +} + +inline int tbs_dtb08_led_control(struct usb_device *udev, int onoff) +{ + return tbs_dtb08_send_cmd_8a(udev, TBS_DTB08_LED_CONTROL, + onoff ? 1 : 0); +} + +inline int tbs_dtb08_fx2_i2ctl(struct usb_device *udev, u8 i2cfreq) +{ + return tbs_dtb08_send_cmd_8a(udev, FX2_I2CTL, i2cfreq); +} + +static int tbs_dtb08_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], + int num) +{ + struct dvb_usb_device *dev = i2c_get_adapdata(adap); + int ii, ret = 0; + + dbg_info("%s: num=%02x, msg[0].addr=%02x, jiffies=%ld", + __func__, num, msg[0].addr, jiffies); + + if (!dev || !dev->udev) + return -ENODEV; + + if (mutex_lock_interruptible(&dev->i2c_mutex) < 0) + return -EAGAIN; + + switch (num) { + case 2: + if ((msg[0].addr == DEMOD_I2C_ADDR || msg[0].addr == TUNER_I2C_ADDR) && + msg[0].addr == msg[1].addr && msg[0].flags == 0 && + msg[1].flags == I2C_M_RD && msg[0].len == 1 && msg[1].len > 0) { + ret = tbs_dtb08_i2c_read(dev->udev, msg[0].addr, + msg[0].buf[0],msg[1].buf, msg[1].len); + } + else { + err("%s: num==2, msg[0].addr==%02x, msg[0].flags==%d, " + "msg[0].len==%d, msg[1].addr==%02x, msg[1].flags==%d, " + "not suported!", __func__, msg[0].addr, msg[0].flags, + msg[0].len, msg[1].addr, msg[1].flags); + ret = -EINVAL; + } + break; + case 1: + switch (msg[0].addr) { + case DEMOD_I2C_ADDR: + case TUNER_I2C_ADDR: + ii = msg[0].len - 1; + if (ii < 0 || ii > 63) { + ret = -EINVAL; + break; + } + + if (msg[0].flags == 0) { + ret = tbs_dtb08_i2c_write( + dev->udev, msg[0].addr, + msg[0].buf[0], + &msg[0].buf[1], ii); + } else { + ret = tbs_dtb08_i2c_read( + dev->udev, msg[0].addr, + msg[0].buf[0], + msg[0].buf, msg[0].len); + } + break; + default: + err("%s: num==1, addr==%02x, not suported!", + __func__, msg[0].addr); + ret = -EINVAL; + } + break; + default: + err("%s:num == %d, not suported!", __func__, num); + ret = -EINVAL; + break; + } + + mutex_unlock(&dev->i2c_mutex); + + return (ret < 0) ? ret : num; +} + +static struct rc_map_table tbs_dtb08_rc_map_table[] = { + { 0x0010, KEY_POWER }, /* power */ + { 0x0006, KEY_MUTE }, /* mute */ + { 0x004c, KEY_1 }, + { 0x0004, KEY_2 }, + { 0x0000, KEY_3 }, + { 0x001e, KEY_4 }, + { 0x000e, KEY_5 }, + { 0x001a, KEY_6 }, + { 0x0014, KEY_7 }, + { 0x000f, KEY_8 }, + { 0x000c, KEY_9 }, + { 0x001c, KEY_0 }, + { 0x0040, KEY_CHANNELUP }, /* ch+ */ + { 0x000a, KEY_CHANNELDOWN }, /* ch- */ + { 0x0019, KEY_VOLUMEUP }, /* vol+ */ + { 0x0017, KEY_VOLUMEDOWN }, /* vol- */ + { 0x0011, KEY_OK }, /* ok */ + { 0x0009, KEY_SAVE }, /* scrn shot */ + { 0x001f, KEY_UP }, + { 0x001b, KEY_LEFT }, + { 0x0015, KEY_RIGHT }, + { 0x0016, KEY_DOWN }, + { 0x004d, KEY_FAVORITES }, /* fav */ + { 0x0001, KEY_ZOOM }, + { 0x0003, KEY_EPG }, + { 0x001d, KEY_PLAY }, + { 0x000d, KEY_STOP }, + { 0x0012, KEY_LAST }, /* recall */ +}; + +static int tbs_dtb08_rc_query(struct dvb_usb_device *d, u32 *event, int *state) +{ + u8 *buf; + int i; + struct rc_map_table *rc_map = d->props.rc.legacy.rc_map_table; + + *state = REMOTE_NO_KEY_PRESSED; + *event = 0; + + if (!fw_ok) { + dbg_info("%s: fw_ok == 0", __func__); + return 0; + } + + buf = kzalloc(5, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + if (mutex_lock_interruptible(&tbs_dtb08_usb_mutex)) + goto free_buf_leave; + + tbs_dtb08_ir_code_read(d->udev, buf, 5); + mutex_unlock(&tbs_dtb08_usb_mutex); + + dbg_info("%s: %02x %02x %02x %02x %02x", + __func__, buf[0], buf[1], buf[2], buf[3], buf[4]); + + if (buf[1] != (u8)~buf[2] || buf[3] != (u8)~buf[4]) + goto free_buf_leave; + + for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) { + u16 scan = (u16)buf[1] << 8 | buf[3]; + if (rc_map[i].scancode == scan) { + *event = rc_map[i].keycode; + *state = REMOTE_KEY_PRESSED; + break; + } + } + +free_buf_leave: + kfree(buf); + return 0; +} + +inline int mb86a20s_read_reg(struct mb86a20s_state *state, u8 reg, u8 *val) +{ + *val = 0; + return tbs_dtb08_i2c_read(state->udev, state->demod_addr, reg, val, 1); +} + +inline int mb86a20s_write_reg(struct mb86a20s_state *state, u8 reg, u8 val) +{ + return tbs_dtb08_i2c_write(state->udev, state->demod_addr, reg, &val, 1); +} + +inline int mb86a20s_read_subreg(struct mb86a20s_state *state, u8 reg, u8 subreg, u8 *val) +{ + int ret; + + *val = 0; + if ((ret = tbs_dtb08_i2c_write(state->udev, state->demod_addr, reg, &subreg, 1)) < 0) + return ret; + return tbs_dtb08_i2c_read(state->udev, state->demod_addr, reg+1, val, 1); +} + +static u32 get_config_reg_val(struct mb86a20s_state *state, + struct mb86a20s_reg_subreg_val *reg_val) +{ + struct mb86a20s_reg_subreg_config *config_regs; + int i; + + if (!reg_val) + return 0; + if (!state || !(config_regs = state->config_regs)) + return reg_val->val; + for (i = 0; i < state->config_size; i++) { + if (config_regs->reg == reg_val->reg && + config_regs->subreg == reg_val->subreg) + return config_regs->val; + config_regs++; + } + return reg_val->val; +} + +static int mb86a20s_init_regs(struct mb86a20s_state *state) +{ + u8 *buf; + u32 val; + int i, i2, count, ret = 0; + + buf = kmalloc(12 , GFP_KERNEL); + if (!buf) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(mb86a20s_regs_val); i++) { + struct mb86a20s_reg_subreg_val *reg_val = &mb86a20s_regs_val[i]; + val = get_config_reg_val(state, reg_val); + buf[0] = reg_val->reg; + count = 1; + switch (reg_val->type) { + case 1: + buf[count++] = reg_val->subreg; + if (buf[0] == 0x28) + buf[count++] = 0x2b; + else + buf[count++] = buf[0] + 1; + break; + case 2: + buf[count++] = (u8)(val >> 0x08); + buf[count++] = buf[0] + 1; + buf[count++] = (u8)val; + break; + case 3: + buf[count++] = reg_val->subreg; + buf[count++] = buf[0] + 1; + buf[count++] = (u8)(val >> 0x08); + buf[count++] = buf[0]; + buf[count++] = reg_val->subreg + 1; + buf[count++] = buf[0] + 1; + break; + case 4: + if (buf[0] == 0x28) { + buf[count++] = reg_val->subreg; + buf[count++] = 0x29; + buf[count++] = (u8)(val >> 0x10); + buf[count++] = 0x2a; + buf[count++] = (u8)(val >> 0x08); + buf[count++] = 0x2b; + } + else if (buf[0] == 0x50) { + buf[count++] = reg_val->subreg; + buf[count++] = 0x51; + buf[count++] = (u8)(val >> 0x10); + buf[count++] = 0x50; + buf[count++] = reg_val->subreg + 1; + buf[count++] = 0x51; + buf[count++] = (u8)(val >> 0x08); + buf[count++] = 0x50; + buf[count++] = reg_val->subreg + 2; + buf[count++] = 0x51; + } + else { + ret = -1; + goto ret_err; + } + break; + } + buf[count++] = (u8)val; + i2 = 0; + while (i2 < count) { + ret = mb86a20s_write_reg(state, buf[i2], buf[i2 + 1]); + if (ret < 0) + goto ret_err; + i2 += 2; + } + } + state->need_init = false; + kfree(buf); + return 0; + +ret_err: + state->need_init = true; + err("%s: mb86a20s init failed.", __func__); + kfree(buf); + return ret; +} + +static int mb86a20s_init_fe(struct dvb_frontend *fe) +{ + int n; + struct mb86a20s_state *state = fe->sec_priv; + + fe->dtv_property_cache.delivery_system = SYS_ISDBT; + + n = mb86a20s_init_regs(state); + if (n < 0) + return n; + else + return 0; +} + +static int mb86a20s_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) +{ + struct mb86a20s_state *state = fe->sec_priv; + char val = 1; + + /* + * In the document "OFDM-LSI for Digital Terrestrial Broadcasting + * Reception MB86A20S" says: + * I2C bus and I2C bus for tuner control + * This product realizes I2C bus for register setup in the main + * unit and I2C bus for tuner control to shut off the bus noise from + * the tuner by connecting the tuner to the I2C bus line only when + * it is controlled. + */ + if (!state->tuner_ctrl) + return 0; + + if (enable) + val = 0; + + /* Enable/Disable I2C bus for tuner control */ + return mb86a20s_write_reg(state, 0xfe, val); +} + +static int mb86a20s_sleep(struct dvb_frontend *fe) +{ + struct mb86a20s_state *state = fe->sec_priv; + + tbs_dtb08_led_control(state->udev, 0); + state->current_frequency = 0; + state->need_init = 1; + return 0; +} + +static int mb86a20s_set_frontend(struct dvb_frontend *fe) +{ + int i, ret; + u8 val; + struct mb86a20s_state *state = fe->sec_priv; + struct dtv_frontend_properties *dpc = &fe->dtv_property_cache; + + if (time_before(jiffies, state->next_set_frontend_check) && + state->current_frequency == dpc->frequency) + return 0; + + state->current_frequency = dpc->frequency; + state->next_set_frontend_check = jiffies + msecs_to_jiffies(200); + + /* turn off the led */ + tbs_dtb08_led_control(state->udev, 0); + + if (state->need_init) { + ret = mb86a20s_init_regs(state); + if (ret < 0) + return ret; + } + + /* program tuner */ + if (fe->ops.tuner_ops.set_params) { + state->tuner_ctrl = true; + fe->ops.tuner_ops.set_params(fe); + /* disable I2C bus tuner control */ + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + state->tuner_ctrl = false; + msleep(100); + } + + for (i = 0; i < sizeof(mb86a20s_soft_reset); i += 2) + { + ret = mb86a20s_write_reg(state, mb86a20s_soft_reset[i], + mb86a20s_soft_reset[i+1]); + if (ret < 0) + return ret; + } + + for (i = 0; i < 10; i++) { + ret = mb86a20s_read_reg(state, 0x0a, &val); + if (ret == 0 && val >= 2) break; + msleep(100); + } + + /* turn on the led */ + tbs_dtb08_led_control(state->udev, 1); + + return 0; +} + +static int mb86a20s_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *feset) +{ + feset->min_delay_ms = 600; + feset->step_size = 0; + feset->max_drift = 0; + + return 0; +} + +static int mb86a20s_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + int i; + u8 val = 0; + struct mb86a20s_state *state = fe->sec_priv; + + if (time_before(jiffies, state->next_status_check)) { + *status = state->status; + return 0; + } + + state->next_status_check = jiffies + msecs_to_jiffies(100); + for (i = 0; i < 10; i++) { + mb86a20s_read_reg(state, 0x0a, &val); + if (val >= 2) break; + msleep(10); + } + + *status = 0; + + if (val >= 2) + *status |= FE_HAS_SIGNAL; + if (val >= 4) + *status |= FE_HAS_CARRIER; + if (val >= 5) + *status |= FE_HAS_VITERBI; + if (val >= 7) + *status |= FE_HAS_SYNC; + if (val >= 8) + *status |= FE_HAS_LOCK; + + state->status = *status; + return 0; +} + +static int mb86a20s_get_property(struct dvb_frontend *fe, + struct dtv_property *tvp) +{ + struct dtv_frontend_properties *dpc = &fe->dtv_property_cache; + + switch(tvp->cmd) { + case DTV_DELIVERY_SYSTEM: + tvp->u.data = dpc->delivery_system = SYS_ISDBT; + break; + } + return 0; +} + +static int mb86a20s_read_signal_strength(struct dvb_frontend *fe, + u16 *strength) +{ + struct mb86a20s_state *state = fe->sec_priv; + int i, n; + + if (time_before(jiffies, state->next_strength_check)) { + *strength = state->strength; + return 0; + } + state->next_strength_check = jiffies + msecs_to_jiffies(100); + *strength = state->strength = 0; + for (i = 0; i < 10; i++) + { + u8 val = 0; + mb86a20s_read_reg(state, 0x0a, &val); + if (val < 2) goto next; +#if 0 + if (mb86a20s_read_subreg(state, 0x04, 0x3a, &val) < 0) + goto next; + n = ((255 - val) * 10000) / 255; + state->strength = *strength = (u16)((65535 * n) / 10000); + + dbg_info("%s: val=%d, n=%d, strength=%d %d%%", + __func__, val, n, *strength, (255-val) * 100 / 255); + return 0; +#else + if (mb86a20s_read_subreg(state, 0x04, 0x25, &val) < 0) + goto next; + n = val; + if (mb86a20s_read_subreg(state, 0x04, 0x26, &val) < 0) + goto next; + n = (((n << 8) | val) * 0x100100) >> 16; + *strength = state->strength = n ; + return 0; +#endif +next: + msleep(10); + } + + return 0; +} + +static int mb86a20s_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct mb86a20s_state *state = fe->sec_priv; + int i, n, cnr; + + if (time_before(jiffies, state->next_snr_check)) { + *snr = state->snr; + return 0; + } + + state->next_snr_check = jiffies + msecs_to_jiffies(100); + *snr = state->snr = 0; + for (i = 0; i < 10; i++) { + u8 val = 0; + n = mb86a20s_read_reg(state, 0x0a, &val); + if (n < 0 || val < 2) goto next; + if (mb86a20s_read_reg(state, 0x45, &val) < 0) goto next; + /* read cnr_flag */ + if (((val >> 6) & 1) != 0) { + if (mb86a20s_read_reg(state, 0x46, &val) < 0) goto next; + n = val; + if (mb86a20s_read_reg(state, 0x47, &val) < 0) goto next; + cnr = (n << 0x08) | val; + /* reset cnr_counter */ + mb86a20s_read_reg(state, 0x45, &val); + val |= 0x10; + mb86a20s_write_reg(state, 0x45, val); + msleep(5); + val &= 0x6f; /* FIXME: or 0xef ? */ + mb86a20s_write_reg(state, 0x45, val); + if (cnr > 0x4cc0) cnr = 0x4cc0; + n = ((0x4cc0 - cnr) * 10000) / 0x4cc0; + n = (65535 * n) / 10000; + *snr = state->snr = n; + return 0; + } +next: + msleep(10); + } + + return 0; +} + +static struct tda18271_std_map mb86a20s_tda18271_config = { + .dvbt_6 = { .if_freq = 3300, .agc_mode = 3, .std = 4, + .if_lvl = 7, .rfagc_top = 0x37, }, +}; + +static struct tda18271_config tbs_dtb08_tda18271_config = { + .std_map = &mb86a20s_tda18271_config, + .gate = TDA18271_GATE_DIGITAL, +}; + +static int tbs_dtb08_tuner_attach(struct dvb_usb_adapter *adap) +{ + int ret; + struct mb86a20s_state *state = adap->fe_adap[0].priv; + + if (adap == NULL || adap->fe_adap[0].fe == NULL) + return -ENODEV; + + if (adap->fe_adap[0].fe->ops.tuner_ops.init != NULL) + return 0; + + state->tuner_ctrl = true; + ret = dvb_attach(tda18271_attach, adap->fe_adap[0].fe, + TUNER_I2C_ADDR, &adap->dev->i2c_adap, + &tbs_dtb08_tda18271_config) == NULL ? -ENODEV : 0; + state->tuner_ctrl = false; + return ret; +} + +static struct mb86a20s_reg_subreg_config mb86a20s_config_regs[] = { + { 0x3C, 0x00, 0x38 }, + { 0x04, 0x00, 0x001e }, + { 0x04, 0x0E, 0x0032 }, + { 0x04, 0x15, 0x55 }, + { 0x04, 0x16, 0x00 }, + { 0x28, 0x20, 0x33dd00 }, + { 0x28, 0x6A, 0x0002f0 }, + { 0x28, 0x74, 0x0001f4 }, + { 0x50, 0xD5, 0x00 }, + { 0x50, 0xD6, 0x17 }, + { 0x50, 0xDC, 0x3fff }, + { 0x50, 0xDE, 0x3fff }, + { 0x50, 0xE0, 0x3fff } +}; + +static struct mb86a20s_config mb86a20s_cfg = { + .demod_address = DEMOD_I2C_ADDR, +}; + +static int tbs_dtb08_frontend_attach(struct dvb_usb_adapter *adap) +{ + struct dvb_frontend *fe; + struct dvb_usb_device *dev = adap->dev; + struct mb86a20s_state *state = adap->fe_adap[0].priv; + + if (state == NULL) { + err("%s: adap->dev->priv == NULL!", __func__); + return -ENOMEM; + } + + tbs_dtb08_fx2_ie_ex0(dev->udev, FX2_EX0_DISABLE); + tbs_dtb08_fx2_i2ctl(dev->udev, I2CTL_400Khz); + + state->udev = dev->udev; + state->demod_addr = DEMOD_I2C_ADDR; + state->config_size = ARRAY_SIZE(mb86a20s_config_regs); + state->config_regs = mb86a20s_config_regs; + + if (mb86a20s_init_regs(state) != 0) { + err("%s: demodulator not found!", __func__); + return -ENODEV; + } + + fe = dvb_attach(mb86a20s_attach, &mb86a20s_cfg, + &adap->dev->i2c_adap); + if (!fe) return -ENODEV; + + adap->fe_adap[0].fe = fe; + + fe->sec_priv = state; + fe->ops.init = mb86a20s_init_fe; + fe->ops.sleep = mb86a20s_sleep; + fe->ops.set_frontend = mb86a20s_set_frontend; + fe->ops.read_status = mb86a20s_read_status; + fe->ops.read_signal_strength = mb86a20s_read_signal_strength; + fe->ops.read_snr = mb86a20s_read_snr; + fe->ops.get_tune_settings = mb86a20s_get_tune_settings; + fe->ops.get_property = mb86a20s_get_property; + fe->ops.i2c_gate_ctrl = mb86a20s_i2c_gate_ctrl; + + if (tbs_dtb08_tuner_attach(adap) == 0) { + tbs_dtb08_fx2_ie_ex0(dev->udev, FX2_EX0_ENABLE); + return 0; + } + + dvb_frontend_detach(fe); + adap->fe_adap[0].fe = NULL; + + return -ENODEV; +} + +static int tbs_dtb08_download_firmware(struct usb_device *dev, const struct firmware *fw) +{ + int i, n, count, fx2_renum; + u8 val, *buf; + + fw_ok = 0; + if (dev == NULL || fw == NULL || fw->size <= 0) { + err("%s: invalid parameters.", __func__); + return -EINVAL; + } + + /* stop the CPU */ + val = 1; + if (tbs_dtb08_generic_write_addr(dev, 0xa0, 0xe600, &val, 1) != 1) + return -EINVAL; + + buf = kmalloc(64 , GFP_KERNEL); + if (!buf) + return -ENOMEM; + + fx2_renum = 1; + for (n = 0; n < fw->size; n += 64) { + count = fw->size - n; + if (count > 64) + count = 64; + + if (fx2_renum) { + tbs_dtb08_generic_read_addr(dev, 0xa0, n, buf, count); + for (i = 0; i < count; i++) { + if (buf[i] != fw->data[n+i]) { + fx2_renum = 0; + break; + } + } + if (fx2_renum) continue; + } + memcpy(buf, fw->data + n, count); + if (tbs_dtb08_generic_write_addr(dev, 0xa0, n, buf, count) != count) { + err("%s: addr=%04x: error while " + "transferring firmware", __func__, n); + goto ret_err2; + } + } + + /* restart the CPU */ + val = 0; + if (tbs_dtb08_generic_write_addr(dev, 0xa0, 0xe600, &val, 1) != 1) { + err("%s: could not restart the USB controller CPU.", __func__); + goto ret_err2; + } + + msleep(200); + + if (!fx2_renum) { /* ReEnumeration */ + err("%s: ReEnumeration!", __func__); + goto ret_err2; + } + + if (tbs_dtb08_i2c_read(dev, DEMOD_I2C_ADDR, 0, &val, 1) < 0) + goto ret_err; + + if (tbs_dtb08_fx2_ie_ex0(dev, FX2_EX0_ENABLE) < 0) + goto ret_err; + + if (tbs_dtb08_ir_code_read(dev, buf, 5) < 0) + goto ret_err; + + kfree(buf); + fw_ok = 1; + return 0; + +ret_err: + err("%s: failed!", __func__); + +ret_err2: + kfree(buf); + return -EINVAL; +} + +static int tbs_dtb08_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) +{ + return tbs_dtb08_led_control(adap->dev->udev, onoff); +} + +static u32 tbs_dtb08_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +static struct i2c_algorithm tbs_dtb08_i2c_algo = { + .master_xfer = tbs_dtb08_i2c_transfer, + .functionality = tbs_dtb08_i2c_func, +}; + +static struct usb_device_id tbs_dtb08_table[] = { + { USB_DEVICE(USB_VID_TBS_734C, USB_PID_TBS_DTB08) }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(usb, tbs_dtb08_table); + +static struct dvb_usb_device_properties tbs_dtb08_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + .usb_ctrl = DEVICE_SPECIFIC, + .download_firmware = tbs_dtb08_download_firmware, + .firmware = "tbs-dtb08-fw.bin", + .no_reconnect = 1, + + .num_adapters = 1, + .adapter = {{ + .num_frontends = 1, + .fe = {{ + .size_of_priv = sizeof(struct mb86a20s_state), + .streaming_ctrl = tbs_dtb08_streaming_ctrl, + .frontend_attach = tbs_dtb08_frontend_attach, + .tuner_attach = tbs_dtb08_tuner_attach, + .stream = { + .type = USB_BULK, + .count = 8, + .endpoint = 0x82, + .u = { + .bulk = { + .buffersize = 4096, + } + } + }, + }}} + }, + + .rc.legacy = { + .rc_interval = 250, + .rc_map_table = tbs_dtb08_rc_map_table, + .rc_map_size = ARRAY_SIZE(tbs_dtb08_rc_map_table), + .rc_query = tbs_dtb08_rc_query, + }, + + .i2c_algo = &tbs_dtb08_i2c_algo, + + .num_device_descs = 1, + .devices = { + { + .name = "TBS-Tech ISDB-T USB 2.0 (DTB08)", + .cold_ids = { &tbs_dtb08_table[0], NULL }, + .warm_ids = { NULL }, + }, + }, +}; + +static int tbs_dtb08_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct dvb_usb_device *d = NULL; + int n, ret; + + dbg_info("%s: %d, num_altsetting=%d", __func__, + intf->cur_altsetting->desc.bInterfaceNumber, + intf->num_altsetting); + + ret = dvb_usb_device_init(intf, &tbs_dtb08_properties, + THIS_MODULE, &d, adapter_nr); + + if (ret != 0) { + err("%s: failed err=%d", __func__, ret); + return ret; + } + + if (d) { + for (n = 0; n < d->props.num_adapters; n++) { + struct dvb_usb_adapter *adap = &d->adapter[n]; + if (adap && adap->fe_adap[0].fe) { + ret++; + } + } + } + + if (ret == 0) { + fw_ok = 0; + dvb_usb_device_exit(intf); + return -1; + } + else + return 0; +} + +static void tbs_dtb08_usb_disconnect(struct usb_interface *intf) +{ + fw_ok = 0; + dvb_usb_device_exit(intf); +} + +static struct usb_driver tbs_dtb08_driver = { + .name = "dvb-usb-tbsdtb08", + .probe = tbs_dtb08_probe, + .disconnect = tbs_dtb08_usb_disconnect, + .id_table = tbs_dtb08_table, +}; + +module_usb_driver(tbs_dtb08_driver); + +MODULE_AUTHOR("Manoel Pinheiro <[email protected]>"); +MODULE_DESCRIPTION("Driver for TBS-Tech ISDB-T USB2.0 Receiver (DTB08 Full Seg)"); +MODULE_LICENSE("GPL"); -- 1.7.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
