cregit-Linux how code gets into the kernel

Release 4.11 drivers/media/usb/dvb-usb-v2/lmedm04.c

/* DVB USB compliant linux driver for
 *
 * DM04/QQBOX DVB-S USB BOX     LME2510C + SHARP:BS2F7HZ7395
 *                              LME2510C + LG TDQY-P001F
 *                              LME2510C + BS2F7HZ0194
 *                              LME2510 + LG TDQY-P001F
 *                              LME2510 + BS2F7HZ0194
 *
 * MVB7395 (LME2510C+SHARP:BS2F7HZ7395)
 * SHARP:BS2F7HZ7395 = (STV0288+Sharp IX2505V)
 *
 * MV001F (LME2510+LGTDQY-P001F)
 * LG TDQY - P001F =(TDA8263 + TDA10086H)
 *
 * MVB0001F (LME2510C+LGTDQT-P001F)
 *
 * MV0194 (LME2510+SHARP:BS2F7HZ0194)
 * SHARP:BS2F7HZ0194 = (STV0299+IX2410)
 *
 * MVB0194 (LME2510C+SHARP0194)
 *
 * LME2510C + M88RS2000
 *
 * For firmware see Documentation/dvb/lmedm04.txt
 *
 * I2C addresses:
 * 0xd0 - STV0288       - Demodulator
 * 0xc0 - Sharp IX2505V - Tuner
 * --
 * 0x1c - TDA10086   - Demodulator
 * 0xc0 - TDA8263    - Tuner
 * --
 * 0xd0 - STV0299       - Demodulator
 * 0xc0 - IX2410        - Tuner
 *
 *
 * VID = 3344  PID LME2510=1122 LME2510C=1120
 *
 * Copyright (C) 2010 Malcolm Priestley (tvboxspy@gmail.com)
 * LME2510(C)(C) Leaguerme (Shenzhen) MicroElectronics Co., Ltd.
 *
 * 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.
 *
 *
 * see Documentation/dvb/README.dvb-usb for more information
 *
 * Known Issues :
 *      LME2510: Non Intel USB chipsets fail to maintain High Speed on
 * Boot or Hot Plug.
 *
 * QQbox suffers from noise on LNB voltage.
 *
 *      LME2510: SHARP:BS2F7HZ0194(MV0194) cannot cold reset and share system
 * with other tuners. After a cold reset streaming will not start.
 *
 * M88RS2000 suffers from loss of lock.
 */

#define DVB_USB_LOG_PREFIX "LME2510(C)"
#include <linux/usb.h>
#include <linux/usb/input.h>
#include <media/rc-core.h>

#include "dvb_usb.h"
#include "lmedm04.h"
#include "tda826x.h"
#include "tda10086.h"
#include "stv0288.h"
#include "ix2505v.h"
#include "stv0299.h"
#include "dvb-pll.h"
#include "z0194a.h"
#include "m88rs2000.h"
#include "ts2020.h"



#define LME2510_C_S7395	"dvb-usb-lme2510c-s7395.fw";

#define LME2510_C_LG	"dvb-usb-lme2510c-lg.fw";

#define LME2510_C_S0194	"dvb-usb-lme2510c-s0194.fw";

#define LME2510_C_RS2000 "dvb-usb-lme2510c-rs2000.fw";

#define LME2510_LG	"dvb-usb-lme2510-lg.fw";

#define LME2510_S0194	"dvb-usb-lme2510-s0194.fw";

/* debug */

static int dvb_usb_lme2510_debug;

#define lme_debug(var, level, args...) do { \
        if ((var >= level)) \
                pr_debug(DVB_USB_LOG_PREFIX": " args); \
} while (0)

#define deb_info(level, args...) lme_debug(dvb_usb_lme2510_debug, level, args)

#define debug_data_snipet(level, name, p) \
	 deb_info(level, name" (%8phN)", p);

#define info(args...) pr_info(DVB_USB_LOG_PREFIX": "args)

module_param_named(debug, dvb_usb_lme2510_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able)).");


static int dvb_usb_lme2510_firmware;
module_param_named(firmware, dvb_usb_lme2510_firmware, int, 0644);
MODULE_PARM_DESC(firmware, "set default firmware 0=Sharp7395 1=LG");


static int pid_filter;
module_param_named(pid, pid_filter, int, 0644);
MODULE_PARM_DESC(pid, "set default 0=default 1=off 2=on");



DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);


#define TUNER_DEFAULT	0x0

#define TUNER_LG	0x1

#define TUNER_S7395	0x2

#define TUNER_S0194	0x3

#define TUNER_RS2000	0x4


struct lme2510_state {
	
unsigned long int_urb_due;
	
enum fe_status lock_status;
	
u8 id;
	
u8 tuner_config;
	
u8 signal_level;
	
u8 signal_sn;
	
u8 time_key;
	
u8 i2c_talk_onoff;
	
u8 i2c_gate;
	
u8 i2c_tuner_gate_w;
	
u8 i2c_tuner_gate_r;
	
u8 i2c_tuner_addr;
	
u8 stream_on;
	
u8 pid_size;
	
u8 pid_off;
	
void *buffer;
	
struct urb *lme_urb;
	
void *usb_buffer;
	/* Frontend original calls */
	
int (*fe_read_status)(struct dvb_frontend *, enum fe_status *);
	
int (*fe_read_signal_strength)(struct dvb_frontend *, u16 *);
	
int (*fe_read_snr)(struct dvb_frontend *, u16 *);
	
int (*fe_read_ber)(struct dvb_frontend *, u32 *);
	
int (*fe_read_ucblocks)(struct dvb_frontend *, u32 *);
	
int (*fe_set_voltage)(struct dvb_frontend *, enum fe_sec_voltage);
	
u8 dvb_usb_lme2510_firmware;
};


static int lme2510_bulk_write(struct usb_device *dev, u8 *snd, int len, u8 pipe) { int actual_l; return usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe), snd, len, &actual_l, 100); }

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Malcolm Priestley4597.83%266.67%
Masahiro Yamada12.17%133.33%
Total46100.00%3100.00%


static int lme2510_bulk_read(struct usb_device *dev, u8 *rev, int len, u8 pipe) { int actual_l; return usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe), rev, len, &actual_l, 200); }

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PersonTokensPropCommitsCommitProp
Malcolm Priestley4597.83%266.67%
Masahiro Yamada12.17%133.33%
Total46100.00%3100.00%


static int lme2510_usb_talk(struct dvb_usb_device *d, u8 *wbuf, int wlen, u8 *rbuf, int rlen) { struct lme2510_state *st = d->priv; u8 *buff; int ret = 0; if (st->usb_buffer == NULL) { st->usb_buffer = kmalloc(64, GFP_KERNEL); if (st->usb_buffer == NULL) { info("MEM Error no memory"); return -ENOMEM; } } buff = st->usb_buffer; ret = mutex_lock_interruptible(&d->usb_mutex); if (ret < 0) return -EAGAIN; /* the read/write capped at 64 */ memcpy(buff, wbuf, (wlen < 64) ? wlen : 64); ret |= lme2510_bulk_write(d->udev, buff, wlen , 0x01); ret |= lme2510_bulk_read(d->udev, buff, (rlen < 64) ? rlen : 64 , 0x01); if (rlen > 0) memcpy(rbuf, buff, rlen); mutex_unlock(&d->usb_mutex); return (ret < 0) ? -ENODEV : 0; }

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Malcolm Priestley200100.00%4100.00%
Total200100.00%4100.00%


static int lme2510_stream_restart(struct dvb_usb_device *d) { struct lme2510_state *st = d->priv; u8 all_pids[] = LME_ALL_PIDS; u8 stream_on[] = LME_ST_ON_W; int ret; u8 rbuff[1]; if (st->pid_off) ret = lme2510_usb_talk(d, all_pids, sizeof(all_pids), rbuff, sizeof(rbuff)); /*Restart Stream Command*/ ret = lme2510_usb_talk(d, stream_on, sizeof(stream_on), rbuff, sizeof(rbuff)); return ret; }

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Malcolm Priestley93100.00%3100.00%
Total93100.00%3100.00%


static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out) { struct lme2510_state *st = d->priv; static u8 pid_buff[] = LME_ZERO_PID; static u8 rbuf[1]; u8 pid_no = index * 2; u8 pid_len = pid_no + 2; int ret = 0; deb_info(1, "PID Setting Pid %04x", pid_out); if (st->pid_size == 0) ret |= lme2510_stream_restart(d); pid_buff[2] = pid_no; pid_buff[3] = (u8)pid_out & 0xff; pid_buff[4] = pid_no + 1; pid_buff[5] = (u8)(pid_out >> 8); if (pid_len > st->pid_size) st->pid_size = pid_len; pid_buff[7] = 0x80 + st->pid_size; ret |= lme2510_usb_talk(d, pid_buff , sizeof(pid_buff) , rbuf, sizeof(rbuf)); if (st->stream_on) ret |= lme2510_stream_restart(d); return ret; }

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Malcolm Priestley187100.00%2100.00%
Total187100.00%2100.00%

/* Convert range from 0x00-0xff to 0x0000-0xffff */ #define reg_to_16bits(x) ((x) | ((x) << 8))
static void lme2510_update_stats(struct dvb_usb_adapter *adap) { struct lme2510_state *st = adap_to_priv(adap); struct dvb_frontend *fe = adap->fe[0]; struct dtv_frontend_properties *c; u32 s_tmp = 0, c_tmp = 0; if (!fe) return; c = &fe->dtv_property_cache; c->block_count.len = 1; c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; c->block_error.len = 1; c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; c->post_bit_count.len = 1; c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; c->post_bit_error.len = 1; c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; if (st->i2c_talk_onoff) { c->strength.len = 1; c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; c->cnr.len = 1; c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; return; } switch (st->tuner_config) { case TUNER_LG: s_tmp = reg_to_16bits(0xff - st->signal_level); c_tmp = reg_to_16bits(0xff - st->signal_sn); break; case TUNER_S7395: case TUNER_S0194: s_tmp = 0xffff - (((st->signal_level * 2) << 8) * 5 / 4); c_tmp = reg_to_16bits((0xff - st->signal_sn - 0xa1) * 3); break; case TUNER_RS2000: s_tmp = reg_to_16bits(st->signal_level); c_tmp = reg_to_16bits(st->signal_sn); } c->strength.len = 1; c->strength.stat[0].scale = FE_SCALE_RELATIVE; c->strength.stat[0].uvalue = (u64)s_tmp; c->cnr.len = 1; c->cnr.stat[0].scale = FE_SCALE_RELATIVE; c->cnr.stat[0].uvalue = (u64)c_tmp; }

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Malcolm Priestley34894.05%133.33%
Mauro Carvalho Chehab225.95%266.67%
Total370100.00%3100.00%


static void lme2510_int_response(struct urb *lme_urb) { struct dvb_usb_adapter *adap = lme_urb->context; struct lme2510_state *st = adap_to_priv(adap); u8 *ibuf, *rbuf; int i = 0, offset; u32 key; u8 signal_lock = 0; switch (lme_urb->status) { case 0: case -ETIMEDOUT: break; case -ECONNRESET: case -ENOENT: case -ESHUTDOWN: return; default: info("Error %x", lme_urb->status); break; } rbuf = (u8 *) lme_urb->transfer_buffer; offset = ((lme_urb->actual_length/8) > 4) ? 4 : (lme_urb->actual_length/8) ; for (i = 0; i < offset; ++i) { ibuf = (u8 *)&rbuf[i*8]; deb_info(5, "INT O/S C =%02x C/O=%02x Type =%02x%02x", offset, i, ibuf[0], ibuf[1]); switch (ibuf[0]) { case 0xaa: debug_data_snipet(1, "INT Remote data snipet", ibuf); if (!adap_to_d(adap)->rc_dev) break; key = RC_SCANCODE_NEC32(ibuf[2] << 24 | ibuf[3] << 16 | ibuf[4] << 8 | ibuf[5]); deb_info(1, "INT Key = 0x%08x", key); rc_keydown(adap_to_d(adap)->rc_dev, RC_TYPE_NEC32, key, 0); break; case 0xbb: switch (st->tuner_config) { case TUNER_LG: signal_lock = ibuf[2] & BIT(5); st->signal_level = ibuf[4]; st->signal_sn = ibuf[3]; st->time_key = ibuf[7]; break; case TUNER_S7395: case TUNER_S0194: /* Tweak for earlier firmware*/ if (ibuf[1] == 0x03) { signal_lock = ibuf[2] & BIT(4); st->signal_level = ibuf[3]; st->signal_sn = ibuf[4]; } else { st->signal_level = ibuf[4]; st->signal_sn = ibuf[5]; } break; case TUNER_RS2000: signal_lock = ibuf[2] & 0xee; st->signal_level = ibuf[5]; st->signal_sn = ibuf[4]; st->time_key = ibuf[7]; default: break; } /* Interrupt will also throw just BIT 0 as lock */ signal_lock |= ibuf[2] & BIT(0); if (!signal_lock) st->lock_status &= ~FE_HAS_LOCK; lme2510_update_stats(adap); debug_data_snipet(5, "INT Remote data snipet in", ibuf); break; case 0xcc: debug_data_snipet(1, "INT Control data snipet", ibuf); break; default: debug_data_snipet(1, "INT Unknown data snipet", ibuf); break; } } usb_submit_urb(lme_urb, GFP_ATOMIC); /* Interrupt urb is due every 48 msecs while streaming the buffer * stores up to 4 periods if missed. Allow 200 msec for next interrupt. */ st->int_urb_due = jiffies + msecs_to_jiffies(200); }

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Malcolm Priestley48794.93%1280.00%
David Härdeman254.87%213.33%
Sean Young10.19%16.67%
Total513100.00%15100.00%


static int lme2510_int_read(struct dvb_usb_adapter *adap) { struct dvb_usb_device *d = adap_to_d(adap); struct lme2510_state *lme_int = adap_to_priv(adap); struct usb_host_endpoint *ep; lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC); if (lme_int->lme_urb == NULL) return -ENOMEM; lme_int->buffer = usb_alloc_coherent(d->udev, 128, GFP_ATOMIC, &lme_int->lme_urb->transfer_dma); if (lme_int->buffer == NULL) return -ENOMEM; usb_fill_int_urb(lme_int->lme_urb, d->udev, usb_rcvintpipe(d->udev, 0xa), lme_int->buffer, 128, lme2510_int_response, adap, 8); /* Quirk of pipe reporting PIPE_BULK but behaves as interrupt */ ep = usb_pipe_endpoint(d->udev, lme_int->lme_urb->pipe); if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK) lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa), lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC); info("INT Interrupt Service Started"); return 0; }

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Malcolm Priestley19299.48%480.00%
Lucas De Marchi10.52%120.00%
Total193100.00%5100.00%


static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff) { struct dvb_usb_device *d = adap_to_d(adap); struct lme2510_state *st = adap_to_priv(adap); static u8 clear_pid_reg[] = LME_ALL_PIDS; static u8 rbuf[1]; int ret = 0; deb_info(1, "PID Clearing Filter"); mutex_lock(&d->i2c_mutex); if (!onoff) { ret |= lme2510_usb_talk(d, clear_pid_reg, sizeof(clear_pid_reg), rbuf, sizeof(rbuf)); st->pid_off = true; } else st->pid_off = false; st->pid_size = 0; mutex_unlock(&d->i2c_mutex); return 0; }

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Malcolm Priestley12498.41%480.00%
Il Han21.59%120.00%
Total126100.00%5100.00%


static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff) { struct dvb_usb_device *d = adap_to_d(adap); int ret = 0; deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__, pid, index, onoff); if (onoff) { mutex_lock(&d->i2c_mutex); ret |= lme2510_enable_pid(d, index, pid); mutex_unlock(&d->i2c_mutex); } return ret; }

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Malcolm Priestley86100.00%4100.00%
Total86100.00%4100.00%


static int lme2510_return_status(struct dvb_usb_device *d) { int ret = 0; u8 *data; data = kzalloc(10, GFP_KERNEL); if (!data) return -ENOMEM; ret |= usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), 0x06, 0x80, 0x0302, 0x00, data, 0x0006, 200); info("Firmware Status: %x (%x)", ret , data[2]); ret = (ret < 0) ? -ENODEV : data[2]; kfree(data); return ret; }

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Malcolm Priestley10397.17%583.33%
Florian Mickler32.83%116.67%
Total106100.00%6100.00%


static int lme2510_msg(struct dvb_usb_device *d, u8 *wbuf, int wlen, u8 *rbuf, int rlen) { struct lme2510_state *st = d->priv; st->i2c_talk_onoff = 1; return lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen); }

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Malcolm Priestley54100.00%3100.00%
Total54100.00%3100.00%


static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); struct lme2510_state *st = d->priv; static u8 obuf[64], ibuf[64]; int i, read, read_o; u16 len; u8 gate = st->i2c_gate; mutex_lock(&d->i2c_mutex); if (gate == 0) gate = 5; for (i = 0; i < num; i++) { read_o = msg[i].flags & I2C_M_RD; read = i + 1 < num && msg[i + 1].flags & I2C_M_RD; read |= read_o; gate = (msg[i].addr == st->i2c_tuner_addr) ? (read) ? st->i2c_tuner_gate_r : st->i2c_tuner_gate_w : st->i2c_gate; obuf[0] = gate | (read << 7); if (gate == 5) obuf[1] = (read) ? 2 : msg[i].len + 1; else obuf[1] = msg[i].len + read + 1; obuf[2] = msg[i].addr << 1; if (read) { if (read_o) len = 3; else { memcpy(&obuf[3], msg[i].buf, msg[i].len); obuf[msg[i].len+3] = msg[i+1].len; len = msg[i].len+4; } } else { memcpy(&obuf[3], msg[i].buf, msg[i].len); len = msg[i].len+3; } if (lme2510_msg(d, obuf, len, ibuf, 64) < 0) { deb_info(1, "i2c transfer failed."); mutex_unlock(&d->i2c_mutex); return -EAGAIN; } if (read) { if (read_o) memcpy(msg[i].buf, &ibuf[1], msg[i].len); else { memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len); i++; } } } mutex_unlock(&d->i2c_mutex); return i; }

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Malcolm Priestley459100.00%4100.00%
Total459100.00%4100.00%


static u32 lme2510_i2c_func(struct i2c_adapter *adapter) { return I2C_FUNC_I2C; }

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Malcolm Priestley14100.00%1100.00%
Total14100.00%1100.00%

static struct i2c_algorithm lme2510_i2c_algo = { .master_xfer = lme2510_i2c_xfer, .functionality = lme2510_i2c_func, };
static int lme2510_streaming_ctrl(struct dvb_frontend *fe, int onoff) { struct dvb_usb_adapter *adap = fe_to_adap(fe); struct dvb_usb_device *d = adap_to_d(adap); struct lme2510_state *st = adap_to_priv(adap); static u8 clear_reg_3[] = LME_ALL_PIDS; static u8 rbuf[1]; int ret = 0, rlen = sizeof(rbuf); deb_info(1, "STM (%02x)", onoff); /* Streaming is started by FE_HAS_LOCK */ if (onoff == 1) st->stream_on = 1; else { deb_info(1, "STM Steam Off"); /* mutex is here only to avoid collision with I2C */ mutex_lock(&d->i2c_mutex); ret = lme2510_usb_talk(d, clear_reg_3, sizeof(clear_reg_3), rbuf, rlen); st->stream_on = 0; st->i2c_talk_onoff = 1; mutex_unlock(&d->i2c_mutex); } return (ret < 0) ? -ENODEV : 0; }

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Malcolm Priestley16099.38%583.33%
Alexey Khoroshilov10.62%116.67%
Total161100.00%6100.00%


static u8 check_sum(u8 *p, u8 len) { u8 sum = 0; while (len--) sum += *p++; return sum; }

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Malcolm Priestley32100.00%1100.00%
Total32100.00%1100.00%


static int lme2510_download_firmware(struct dvb_usb_device *d, const struct firmware *fw) { int ret = 0; u8 *data; u16 j, wlen, len_in, start, end; u8 packet_size, dlen, i; u8 *fw_data; packet_size = 0x31; len_in = 1; data = kzalloc(128, GFP_KERNEL); if (!data) { info("FRM Could not start Firmware Download"\ "(Buffer allocation failed)"); return -ENOMEM; } info("FRM Starting Firmware Download"); for (i = 1; i < 3; i++) { start = (i == 1) ? 0 : 512; end = (i == 1) ? 512 : fw->size; for (j = start; j < end; j += (packet_size+1)) { fw_data = (u8 *)(fw->data + j); if ((end - j) > packet_size) { data[0] = i; dlen = packet_size; } else { data[0] = i | 0x80; dlen = (u8)(end - j)-1; } data[1] = dlen; memcpy(&data[2], fw_data, dlen+1); wlen = (u8) dlen + 4; data[wlen-1] = check_sum(fw_data, dlen+1); deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3], data[dlen+2], data[dlen+3]); lme2510_usb_talk(d, data, wlen, data, len_in); ret |= (data[0] == 0x88) ? 0 : -1; } } data[0] = 0x8a; len_in = 1; msleep(2000); lme2510_usb_talk(d, data, len_in, data, len_in); msleep(400); if (ret < 0) info("FRM Firmware Download Failed (%04x)" , ret); else info("FRM Firmware Download Completed - Resetting Device"); kfree(data); return RECONNECTS_USB; }

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Malcolm Priestley34592.25%375.00%
Florian Mickler297.75%125.00%
Total374100.00%4100.00%


static void lme_coldreset(struct dvb_usb_device *d) { u8 data[1] = {0}; data[0] = 0x0a; info("FRM Firmware Cold Reset"); lme2510_usb_talk(d, data, sizeof(data), data, sizeof(data)); return; }

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Malcolm Priestley53100.00%2100.00%
Total53100.00%2100.00%

static const char fw_c_s7395[] = LME2510_C_S7395; static const char fw_c_lg[] = LME2510_C_LG; static const char fw_c_s0194[] = LME2510_C_S0194; static const char fw_c_rs2000[] = LME2510_C_RS2000; static const char fw_lg[] = LME2510_LG; static const char fw_s0194[] = LME2510_S0194;
static const char *lme_firmware_switch(struct dvb_usb_device *d, int cold) { struct lme2510_state *st = d->priv; struct usb_device *udev = d->udev; const struct firmware *fw = NULL; const char *fw_lme; int ret = 0; cold = (cold > 0) ? (cold & 1) : 0; switch (le16_to_cpu(udev->descriptor.idProduct)) { case 0x1122: switch (st->dvb_usb_lme2510_firmware) { default: case TUNER_S0194: fw_lme = fw_s0194; ret = request_firmware(&fw, fw_lme, &udev->dev); if (ret == 0) { st->dvb_usb_lme2510_firmware = TUNER_S0194; cold = 0; break; } /* fall through */ case TUNER_LG: fw_lme = fw_lg; ret = request_firmware(&fw, fw_lme, &udev->dev); if (ret == 0) { st->dvb_usb_lme2510_firmware = TUNER_LG; break; } st->dvb_usb_lme2510_firmware = TUNER_DEFAULT; break; } break; case 0x1120: switch (st->dvb_usb_lme2510_firmware) { default: case TUNER_S7395: fw_lme = fw_c_s7395; ret = request_firmware(&fw, fw_lme, &udev->dev); if (ret == 0) { st->dvb_usb_lme2510_firmware = TUNER_S7395; cold = 0; break; } /* fall through */ case TUNER_LG: fw_lme = fw_c_lg; ret = request_firmware(&fw, fw_lme, &udev->dev); if (ret == 0) { st->dvb_usb_lme2510_firmware = TUNER_LG; break; } /* fall through */ case TUNER_S0194: fw_lme = fw_c_s0194; ret = request_firmware(&fw, fw_lme, &udev->dev); if (ret == 0) { st->dvb_usb_lme2510_firmware = TUNER_S0194; break; } st->dvb_usb_lme2510_firmware = TUNER_DEFAULT; cold = 0; break; } break; case 0x22f0: fw_lme = fw_c_rs2000; st->dvb_usb_lme2510_firmware = TUNER_RS2000; break; default: fw_lme = fw_c_s7395; } release_firmware(fw); if (cold) { dvb_usb_lme2510_firmware = st->dvb_usb_lme2510_firmware; info("FRM Changing to %s firmware", fw_lme); lme_coldreset(d); return NULL; } return fw_lme; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley33789.87%975.00%
Mauro Carvalho Chehab3810.13%325.00%
Total375100.00%12100.00%


static int lme2510_kill_urb(struct usb_data_stream *stream) { int i; for (i = 0; i < stream->urbs_submitted; i++) { deb_info(3, "killing URB no. %d.", i); /* stop the URB */ usb_kill_urb(stream->urb_list[i]); } stream->urbs_submitted = 0; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley60100.00%1100.00%
Total60100.00%1100.00%

static struct tda10086_config tda10086_config = { .demod_address = 0x0e, .invert = 0, .diseqc_tone = 1, .xtal_freq = TDA10086_XTAL_16M, }; static struct stv0288_config lme_config = { .demod_address = 0x68, .min_delay_ms = 15, .inittab = s7395_inittab, }; static struct ix2505v_config lme_tuner = { .tuner_address = 0x60, .min_delay_ms = 100, .tuner_gain = 0x0, .tuner_chargepump = 0x3, }; static struct stv0299_config sharp_z0194_config = { .demod_address = 0x68, .inittab = sharp_z0194a_inittab, .mclk = 88000000UL, .invert = 0, .skip_reinit = 0, .lock_output = STV0299_LOCKOUTPUT_1, .volt13_op0_op1 = STV0299_VOLT13_OP1, .min_delay_ms = 100, .set_symbol_rate = sharp_z0194a_set_symbol_rate, }; static struct m88rs2000_config m88rs2000_config = { .demod_addr = 0x68 }; static struct ts2020_config ts2020_config = { .tuner_address = 0x60, .clk_out_div = 7, .dont_poll = true };
static int dm04_lme2510_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage) { struct dvb_usb_device *d = fe_to_d(fe); struct lme2510_state *st = fe_to_priv(fe); static u8 voltage_low[] = LME_VOLTAGE_L; static u8 voltage_high[] = LME_VOLTAGE_H; static u8 rbuf[1]; int ret = 0, len = 3, rlen = 1; mutex_lock(&d->i2c_mutex); switch (voltage) { case SEC_VOLTAGE_18: ret |= lme2510_usb_talk(d, voltage_high, len, rbuf, rlen); break; case SEC_VOLTAGE_OFF: case SEC_VOLTAGE_13: default: ret |= lme2510_usb_talk(d, voltage_low, len, rbuf, rlen); break; } mutex_unlock(&d->i2c_mutex); if (st->tuner_config == TUNER_RS2000) if (st->fe_set_voltage) st->fe_set_voltage(fe, voltage); return (ret < 0) ? -ENODEV : 0; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley16698.81%583.33%
Mauro Carvalho Chehab21.19%116.67%
Total168100.00%6100.00%


static int dm04_read_status(struct dvb_frontend *fe, enum fe_status *status) { struct dvb_usb_device *d = fe_to_d(fe); struct lme2510_state *st = d->priv; int ret = 0; if (st->i2c_talk_onoff) { if (st->fe_read_status) { ret = st->fe_read_status(fe, status); if (ret < 0) return ret; } st->lock_status = *status; if (*status & FE_HAS_LOCK && st->stream_on) { mutex_lock(&d->i2c_mutex); st->i2c_talk_onoff = 0; ret = lme2510_stream_restart(d); mutex_unlock(&d->i2c_mutex); } return ret; } /* Timeout of interrupt reached on RS2000 */ if (st->tuner_config == TUNER_RS2000 && time_after(jiffies, st->int_urb_due)) st->lock_status &= ~FE_HAS_LOCK; *status = st->lock_status; if (!(*status & FE_HAS_LOCK)) { struct dvb_usb_adapter *adap = fe_to_adap(fe); st->i2c_talk_onoff = 1; lme2510_update_stats(adap); } return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley19498.98%266.67%
Mauro Carvalho Chehab21.02%133.33%
Total196100.00%3100.00%


static int dm04_read_signal_strength(struct dvb_frontend *fe, u16 *strength) { struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct lme2510_state *st = fe_to_priv(fe); if (st->fe_read_signal_strength && !st->stream_on) return st->fe_read_signal_strength(fe, strength); if (c->strength.stat[0].scale == FE_SCALE_RELATIVE) *strength = (u16)c->strength.stat[0].uvalue; else *strength = 0; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley97100.00%5100.00%
Total97100.00%5100.00%


static int dm04_read_snr(struct dvb_frontend *fe, u16 *snr) { struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct lme2510_state *st = fe_to_priv(fe); if (st->fe_read_snr && !st->stream_on) return st->fe_read_snr(fe, snr); if (c->cnr.stat[0].scale == FE_SCALE_RELATIVE) *snr = (u16)c->cnr.stat[0].uvalue; else *snr = 0; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley97100.00%5100.00%
Total97100.00%5100.00%


static int dm04_read_ber(struct dvb_frontend *fe, u32 *ber) { struct lme2510_state *st = fe_to_priv(fe); if (st->fe_read_ber && !st->stream_on) return st->fe_read_ber(fe, ber); *ber = 0; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley54100.00%2100.00%
Total54100.00%2100.00%


static int dm04_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) { struct lme2510_state *st = fe_to_priv(fe); if (st->fe_read_ucblocks && !st->stream_on) return st->fe_read_ucblocks(fe, ucblocks); *ucblocks = 0; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley54100.00%2100.00%
Total54100.00%2100.00%


static int lme_name(struct dvb_usb_adapter *adap) { struct dvb_usb_device *d = adap_to_d(adap); struct lme2510_state *st = adap_to_priv(adap); const char *desc = d->name; static const char * const fe_name[] = { "", " LG TDQY-P001F", " SHARP:BS2F7HZ7395", " SHARP:BS2F7HZ0194", " RS2000"}; char *name = adap->fe[0]->ops.info.name; strlcpy(name, desc, 128); strlcat(name, fe_name[st->tuner_config], 128); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley9794.17%571.43%
Antti Palosaari32.91%114.29%
Rasmus Villemoes32.91%114.29%
Total103100.00%7100.00%


static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap) { struct dvb_usb_device *d = adap_to_d(adap); struct lme2510_state *st = d->priv; int ret = 0; st->i2c_talk_onoff = 1; switch (le16_to_cpu(d->udev->descriptor.idProduct)) { case 0x1122: case 0x1120: st->i2c_gate = 4; adap->fe[0] = dvb_attach(tda10086_attach, &tda10086_config, &d->i2c_adap); if (adap->fe[0]) { info("TUN Found Frontend TDA10086"); st->i2c_tuner_gate_w = 4; st->i2c_tuner_gate_r = 4; st->i2c_tuner_addr = 0x60; st->tuner_config = TUNER_LG; if (st->dvb_usb_lme2510_firmware != TUNER_LG) { st->dvb_usb_lme2510_firmware = TUNER_LG; ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV; } break; } st->i2c_gate = 4; adap->fe[0] = dvb_attach(stv0299_attach, &sharp_z0194_config, &d->i2c_adap); if (adap->fe[0]) { info("FE Found Stv0299"); st->i2c_tuner_gate_w = 4; st->i2c_tuner_gate_r = 5; st->i2c_tuner_addr = 0x60; st->tuner_config = TUNER_S0194; if (st->dvb_usb_lme2510_firmware != TUNER_S0194) { st->dvb_usb_lme2510_firmware = TUNER_S0194; ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV; } break; } st->i2c_gate = 5; adap->fe[0] = dvb_attach(stv0288_attach, &lme_config, &d->i2c_adap); if (adap->fe[0]) { info("FE Found Stv0288"); st->i2c_tuner_gate_w = 4; st->i2c_tuner_gate_r = 5; st->i2c_tuner_addr = 0x60; st->tuner_config = TUNER_S7395; if (st->dvb_usb_lme2510_firmware != TUNER_S7395) { st->dvb_usb_lme2510_firmware = TUNER_S7395; ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV; } break; } case 0x22f0: st->i2c_gate = 5; adap->fe[0] = dvb_attach(m88rs2000_attach, &m88rs2000_config, &d->i2c_adap); if (adap->fe[0]) { info("FE Found M88RS2000"); dvb_attach(ts2020_attach, adap->fe[0], &ts2020_config, &d->i2c_adap); st->i2c_tuner_gate_w = 5; st->i2c_tuner_gate_r = 5; st->i2c_tuner_addr = 0x60; st->tuner_config = TUNER_RS2000; st->fe_set_voltage = adap->fe[0]->ops.set_voltage; } break; } if (adap->fe[0] == NULL) { info("DM04/QQBOX Not Powered up or not Supported"); return -ENODEV; } if (ret) { if (adap->fe[0]) { dvb_frontend_detach(adap->fe[0]); adap->fe[0] = NULL; } d->rc_map = NULL; return -ENODEV; } st->fe_read_status = adap->fe[0]->ops.read_status; st->fe_read_signal_strength = adap->fe[0]->ops.read_signal_strength; st->fe_read_snr = adap->fe[0]->ops.read_snr; st->fe_read_ber = adap->fe[0]->ops.read_ber; st->fe_read_ucblocks = adap->fe[0]->ops.read_ucblocks; adap->fe[0]->ops.read_status = dm04_read_status; adap->fe[0]->ops.read_signal_strength = dm04_read_signal_strength; adap->fe[0]->ops.read_snr = dm04_read_snr; adap->fe[0]->ops.read_ber = dm04_read_ber; adap->fe[0]->ops.read_ucblocks = dm04_read_ucblocks; adap->fe[0]->ops.set_voltage = dm04_lme2510_set_voltage; ret = lme_name(adap); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley63992.74%1285.71%
Antti Palosaari304.35%17.14%
Igor M. Liplianin202.90%17.14%
Total689100.00%14100.00%


static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap) { struct dvb_usb_device *d = adap_to_d(adap); struct lme2510_state *st = adap_to_priv(adap); static const char * const tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA", "RS2000"}; int ret = 0; switch (st->tuner_config) { case TUNER_LG: if (dvb_attach(tda826x_attach, adap->fe[0], 0x60, &d->i2c_adap, 1)) ret = st->tuner_config; break; case TUNER_S7395: if (dvb_attach(ix2505v_attach , adap->fe[0], &lme_tuner, &d->i2c_adap)) ret = st->tuner_config; break; case TUNER_S0194: if (dvb_attach(dvb_pll_attach , adap->fe[0], 0x60, &d->i2c_adap, DVB_PLL_OPERA1)) ret = st->tuner_config; break; case TUNER_RS2000: ret = st->tuner_config; break; default: break; } if (ret) info("TUN Found %s tuner", tun_msg[ret]); else { info("TUN No tuner found --- resetting device"); lme_coldreset(d); return -ENODEV; } /* Start the Interrupt*/ ret = lme2510_int_read(adap); if (ret < 0) { info("INT Unable to start Interrupt Service"); return -ENODEV; } return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley22094.42%872.73%
Antti Palosaari93.86%19.09%
Rasmus Villemoes31.29%19.09%
Masanari Iida10.43%19.09%
Total233100.00%11100.00%


static int lme2510_powerup(struct dvb_usb_device *d, int onoff) { struct lme2510_state *st = d->priv; static u8 lnb_on[] = LNB_ON; static u8 lnb_off[] = LNB_OFF; static u8 rbuf[1]; int ret = 0, len = 3, rlen = 1; mutex_lock(&d->i2c_mutex); ret = lme2510_usb_talk(d, onoff ? lnb_on : lnb_off, len, rbuf, rlen); st->i2c_talk_onoff = 1; mutex_unlock(&d->i2c_mutex); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley9796.04%360.00%
Rasmus Villemoes32.97%120.00%
Alexey Khoroshilov10.99%120.00%
Total101100.00%5100.00%


static int lme2510_get_adapter_count(struct dvb_usb_device *d) { return 1; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley14100.00%2100.00%
Total14100.00%2100.00%


static int lme2510_identify_state(struct dvb_usb_device *d, const char **name) { struct lme2510_state *st = d->priv; usb_reset_configuration(d->udev); usb_set_interface(d->udev, d->props->bInterfaceNumber, 1); st->dvb_usb_lme2510_firmware = dvb_usb_lme2510_firmware; if (lme2510_return_status(d) == 0x44) { *name = lme_firmware_switch(d, 0); return COLD; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley8098.77%480.00%
Antti Palosaari11.23%120.00%
Total81100.00%5100.00%


static int lme2510_get_stream_config(struct dvb_frontend *fe, u8 *ts_type, struct usb_data_stream_properties *stream) { struct dvb_usb_adapter *adap = fe_to_adap(fe); struct dvb_usb_device *d; if (adap == NULL) return 0; d = adap_to_d(adap); /* Turn PID filter on the fly by module option */ if (pid_filter == 2) { adap->pid_filtering = true; adap->max_feed_count = 15; } if (!(le16_to_cpu(d->udev->descriptor.idProduct) == 0x1122)) stream->endpoint = 0x8; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley9191.92%571.43%
Syam Sidhardhan77.07%114.29%
Mauro Carvalho Chehab11.01%114.29%
Total99100.00%7100.00%


static int lme2510_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) { rc->allowed_protos = RC_BIT_NEC32; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley2496.00%266.67%
Sean Young14.00%133.33%
Total25100.00%3100.00%


static void *lme2510_exit_int(struct dvb_usb_device *d) { struct lme2510_state *st = d->priv; struct dvb_usb_adapter *adap = &d->adapter[0]; void *buffer = NULL; if (adap != NULL) { lme2510_kill_urb(&adap->stream); } if (st->usb_buffer != NULL) { st->i2c_talk_onoff = 1; st->signal_level = 0; st->signal_sn = 0; buffer = st->usb_buffer; } if (st->lme_urb != NULL) { usb_kill_urb(st->lme_urb); usb_free_coherent(d->udev, 128, st->buffer, st->lme_urb->transfer_dma); info("Interrupt Service Stopped"); } return buffer; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley13399.25%583.33%
Lucas De Marchi10.75%116.67%
Total134100.00%6100.00%


static void lme2510_exit(struct dvb_usb_device *d) { void *usb_buffer; if (d != NULL) { usb_buffer = lme2510_exit_int(d); kfree(usb_buffer); } }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley35100.00%4100.00%
Total35100.00%4100.00%

static struct dvb_usb_device_properties lme2510_props = { .driver_name = KBUILD_MODNAME, .owner = THIS_MODULE, .bInterfaceNumber = 0, .adapter_nr = adapter_nr, .size_of_priv = sizeof(struct lme2510_state), .download_firmware = lme2510_download_firmware, .power_ctrl = lme2510_powerup, .identify_state = lme2510_identify_state, .i2c_algo = &lme2510_i2c_algo, .frontend_attach = dm04_lme2510_frontend_attach, .tuner_attach = dm04_lme2510_tuner, .get_stream_config = lme2510_get_stream_config, .get_adapter_count = lme2510_get_adapter_count, .streaming_ctrl = lme2510_streaming_ctrl, .get_rc_config = lme2510_get_rc_config, .exit = lme2510_exit, .adapter = { { .caps = DVB_USB_ADAP_HAS_PID_FILTER| DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, .pid_filter_count = 15, .pid_filter = lme2510_pid_filter, .pid_filter_ctrl = lme2510_pid_filter_ctrl, .stream = DVB_USB_STREAM_BULK(0x86, 10, 4096), }, { } }, }; static const struct usb_device_id lme2510_id_table[] = { { DVB_USB_DEVICE(0x3344, 0x1122, &lme2510_props, "DM04_LME2510_DVB-S", RC_MAP_LME2510) }, { DVB_USB_DEVICE(0x3344, 0x1120, &lme2510_props, "DM04_LME2510C_DVB-S", RC_MAP_LME2510) }, { DVB_USB_DEVICE(0x3344, 0x22f0, &lme2510_props, "DM04_LME2510C_DVB-S RS2000", RC_MAP_LME2510) }, {} /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, lme2510_id_table); static struct usb_driver lme2510_driver = { .name = KBUILD_MODNAME, .probe = dvb_usbv2_probe, .disconnect = dvb_usbv2_disconnect, .id_table = lme2510_id_table, .no_dynamic_id = 1, .soft_unbind = 1, }; module_usb_driver(lme2510_driver); MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>"); MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0"); MODULE_VERSION("2.07"); MODULE_LICENSE("GPL"); MODULE_FIRMWARE(LME2510_C_S7395); MODULE_FIRMWARE(LME2510_C_LG); MODULE_FIRMWARE(LME2510_C_S0194); MODULE_FIRMWARE(LME2510_C_RS2000); MODULE_FIRMWARE(LME2510_LG); MODULE_FIRMWARE(LME2510_S0194);

Overall Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley636596.25%2650.00%
Mauro Carvalho Chehab801.21%815.38%
Antti Palosaari430.65%23.85%
Igor M. Liplianin360.54%11.92%
Florian Mickler320.48%11.92%
David Härdeman260.39%23.85%
Rasmus Villemoes100.15%35.77%
Syam Sidhardhan70.11%11.92%
Masahiro Yamada20.03%11.92%
Greg Kroah-Hartman20.03%11.92%
Il Han20.03%11.92%
Lucas De Marchi20.03%11.92%
Alexey Khoroshilov20.03%11.92%
Sean Young20.03%11.92%
Sakari Ailus10.02%11.92%
Masanari Iida10.02%11.92%
Total6613100.00%52100.00%
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