bd336e6344
These are immutable. Making them "const" allows the compiler to move them to the "rodata" section. Note that cxd2841er_t_c_ops cannot be made "const", because cxd2841er_attach() modifies it. Ouch! [mchehab@s-opensource.com: fix merge conflicts] Signed-off-by: Max Kellermann <max.kellermann@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
1982 lines
50 KiB
C
1982 lines
50 KiB
C
/*
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* stv0900_core.c
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*
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* Driver for ST STV0900 satellite demodulator IC.
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*
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* Copyright (C) ST Microelectronics.
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* Copyright (C) 2009 NetUP Inc.
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* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/string.h>
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#include <linux/slab.h>
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#include <linux/i2c.h>
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#include "stv0900.h"
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#include "stv0900_reg.h"
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#include "stv0900_priv.h"
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#include "stv0900_init.h"
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int stvdebug = 1;
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module_param_named(debug, stvdebug, int, 0644);
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/* internal params node */
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struct stv0900_inode {
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/* pointer for internal params, one for each pair of demods */
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struct stv0900_internal *internal;
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struct stv0900_inode *next_inode;
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};
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/* first internal params */
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static struct stv0900_inode *stv0900_first_inode;
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/* find chip by i2c adapter and i2c address */
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static struct stv0900_inode *find_inode(struct i2c_adapter *i2c_adap,
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u8 i2c_addr)
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{
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struct stv0900_inode *temp_chip = stv0900_first_inode;
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if (temp_chip != NULL) {
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/*
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Search of the last stv0900 chip or
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find it by i2c adapter and i2c address */
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while ((temp_chip != NULL) &&
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((temp_chip->internal->i2c_adap != i2c_adap) ||
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(temp_chip->internal->i2c_addr != i2c_addr)))
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temp_chip = temp_chip->next_inode;
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}
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return temp_chip;
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}
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/* deallocating chip */
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static void remove_inode(struct stv0900_internal *internal)
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{
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struct stv0900_inode *prev_node = stv0900_first_inode;
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struct stv0900_inode *del_node = find_inode(internal->i2c_adap,
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internal->i2c_addr);
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if (del_node != NULL) {
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if (del_node == stv0900_first_inode) {
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stv0900_first_inode = del_node->next_inode;
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} else {
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while (prev_node->next_inode != del_node)
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prev_node = prev_node->next_inode;
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if (del_node->next_inode == NULL)
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prev_node->next_inode = NULL;
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else
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prev_node->next_inode =
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prev_node->next_inode->next_inode;
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}
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kfree(del_node);
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}
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}
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/* allocating new chip */
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static struct stv0900_inode *append_internal(struct stv0900_internal *internal)
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{
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struct stv0900_inode *new_node = stv0900_first_inode;
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if (new_node == NULL) {
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new_node = kmalloc(sizeof(struct stv0900_inode), GFP_KERNEL);
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stv0900_first_inode = new_node;
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} else {
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while (new_node->next_inode != NULL)
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new_node = new_node->next_inode;
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new_node->next_inode = kmalloc(sizeof(struct stv0900_inode),
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GFP_KERNEL);
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if (new_node->next_inode != NULL)
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new_node = new_node->next_inode;
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else
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new_node = NULL;
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}
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if (new_node != NULL) {
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new_node->internal = internal;
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new_node->next_inode = NULL;
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}
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return new_node;
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}
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s32 ge2comp(s32 a, s32 width)
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{
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if (width == 32)
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return a;
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else
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return (a >= (1 << (width - 1))) ? (a - (1 << width)) : a;
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}
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void stv0900_write_reg(struct stv0900_internal *intp, u16 reg_addr,
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u8 reg_data)
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{
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u8 data[3];
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int ret;
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struct i2c_msg i2cmsg = {
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.addr = intp->i2c_addr,
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.flags = 0,
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.len = 3,
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.buf = data,
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};
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data[0] = MSB(reg_addr);
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data[1] = LSB(reg_addr);
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data[2] = reg_data;
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ret = i2c_transfer(intp->i2c_adap, &i2cmsg, 1);
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if (ret != 1)
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dprintk("%s: i2c error %d\n", __func__, ret);
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}
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u8 stv0900_read_reg(struct stv0900_internal *intp, u16 reg)
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{
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int ret;
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u8 b0[] = { MSB(reg), LSB(reg) };
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u8 buf = 0;
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struct i2c_msg msg[] = {
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{
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.addr = intp->i2c_addr,
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.flags = 0,
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.buf = b0,
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.len = 2,
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}, {
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.addr = intp->i2c_addr,
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.flags = I2C_M_RD,
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.buf = &buf,
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.len = 1,
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},
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};
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ret = i2c_transfer(intp->i2c_adap, msg, 2);
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if (ret != 2)
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dprintk("%s: i2c error %d, reg[0x%02x]\n",
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__func__, ret, reg);
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return buf;
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}
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static void extract_mask_pos(u32 label, u8 *mask, u8 *pos)
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{
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u8 position = 0, i = 0;
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(*mask) = label & 0xff;
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while ((position == 0) && (i < 8)) {
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position = ((*mask) >> i) & 0x01;
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i++;
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}
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(*pos) = (i - 1);
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}
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void stv0900_write_bits(struct stv0900_internal *intp, u32 label, u8 val)
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{
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u8 reg, mask, pos;
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reg = stv0900_read_reg(intp, (label >> 16) & 0xffff);
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extract_mask_pos(label, &mask, &pos);
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val = mask & (val << pos);
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reg = (reg & (~mask)) | val;
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stv0900_write_reg(intp, (label >> 16) & 0xffff, reg);
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}
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u8 stv0900_get_bits(struct stv0900_internal *intp, u32 label)
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{
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u8 val = 0xff;
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u8 mask, pos;
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extract_mask_pos(label, &mask, &pos);
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val = stv0900_read_reg(intp, label >> 16);
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val = (val & mask) >> pos;
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return val;
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}
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static enum fe_stv0900_error stv0900_initialize(struct stv0900_internal *intp)
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{
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s32 i;
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if (intp == NULL)
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return STV0900_INVALID_HANDLE;
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intp->chip_id = stv0900_read_reg(intp, R0900_MID);
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if (intp->errs != STV0900_NO_ERROR)
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return intp->errs;
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/*Startup sequence*/
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stv0900_write_reg(intp, R0900_P1_DMDISTATE, 0x5c);
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stv0900_write_reg(intp, R0900_P2_DMDISTATE, 0x5c);
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msleep(3);
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stv0900_write_reg(intp, R0900_P1_TNRCFG, 0x6c);
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stv0900_write_reg(intp, R0900_P2_TNRCFG, 0x6f);
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stv0900_write_reg(intp, R0900_P1_I2CRPT, 0x20);
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stv0900_write_reg(intp, R0900_P2_I2CRPT, 0x20);
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stv0900_write_reg(intp, R0900_NCOARSE, 0x13);
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msleep(3);
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stv0900_write_reg(intp, R0900_I2CCFG, 0x08);
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switch (intp->clkmode) {
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case 0:
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case 2:
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stv0900_write_reg(intp, R0900_SYNTCTRL, 0x20
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| intp->clkmode);
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break;
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default:
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/* preserve SELOSCI bit */
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i = 0x02 & stv0900_read_reg(intp, R0900_SYNTCTRL);
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stv0900_write_reg(intp, R0900_SYNTCTRL, 0x20 | i);
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break;
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}
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msleep(3);
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for (i = 0; i < 181; i++)
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stv0900_write_reg(intp, STV0900_InitVal[i][0],
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STV0900_InitVal[i][1]);
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if (stv0900_read_reg(intp, R0900_MID) >= 0x20) {
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stv0900_write_reg(intp, R0900_TSGENERAL, 0x0c);
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for (i = 0; i < 32; i++)
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stv0900_write_reg(intp, STV0900_Cut20_AddOnVal[i][0],
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STV0900_Cut20_AddOnVal[i][1]);
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}
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stv0900_write_reg(intp, R0900_P1_FSPYCFG, 0x6c);
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stv0900_write_reg(intp, R0900_P2_FSPYCFG, 0x6c);
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stv0900_write_reg(intp, R0900_P1_PDELCTRL2, 0x01);
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stv0900_write_reg(intp, R0900_P2_PDELCTRL2, 0x21);
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stv0900_write_reg(intp, R0900_P1_PDELCTRL3, 0x20);
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stv0900_write_reg(intp, R0900_P2_PDELCTRL3, 0x20);
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stv0900_write_reg(intp, R0900_TSTRES0, 0x80);
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stv0900_write_reg(intp, R0900_TSTRES0, 0x00);
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return STV0900_NO_ERROR;
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}
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static u32 stv0900_get_mclk_freq(struct stv0900_internal *intp, u32 ext_clk)
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{
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u32 mclk = 90000000, div = 0, ad_div = 0;
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div = stv0900_get_bits(intp, F0900_M_DIV);
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ad_div = ((stv0900_get_bits(intp, F0900_SELX1RATIO) == 1) ? 4 : 6);
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mclk = (div + 1) * ext_clk / ad_div;
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dprintk("%s: Calculated Mclk = %d\n", __func__, mclk);
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return mclk;
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}
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static enum fe_stv0900_error stv0900_set_mclk(struct stv0900_internal *intp, u32 mclk)
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{
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u32 m_div, clk_sel;
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if (intp == NULL)
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return STV0900_INVALID_HANDLE;
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if (intp->errs)
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return STV0900_I2C_ERROR;
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dprintk("%s: Mclk set to %d, Quartz = %d\n", __func__, mclk,
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intp->quartz);
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clk_sel = ((stv0900_get_bits(intp, F0900_SELX1RATIO) == 1) ? 4 : 6);
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m_div = ((clk_sel * mclk) / intp->quartz) - 1;
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stv0900_write_bits(intp, F0900_M_DIV, m_div);
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intp->mclk = stv0900_get_mclk_freq(intp,
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intp->quartz);
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/*Set the DiseqC frequency to 22KHz */
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/*
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Formula:
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DiseqC_TX_Freq= MasterClock/(32*F22TX_Reg)
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DiseqC_RX_Freq= MasterClock/(32*F22RX_Reg)
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*/
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m_div = intp->mclk / 704000;
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stv0900_write_reg(intp, R0900_P1_F22TX, m_div);
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stv0900_write_reg(intp, R0900_P1_F22RX, m_div);
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stv0900_write_reg(intp, R0900_P2_F22TX, m_div);
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stv0900_write_reg(intp, R0900_P2_F22RX, m_div);
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if ((intp->errs))
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return STV0900_I2C_ERROR;
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return STV0900_NO_ERROR;
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}
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static u32 stv0900_get_err_count(struct stv0900_internal *intp, int cntr,
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enum fe_stv0900_demod_num demod)
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{
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u32 lsb, msb, hsb, err_val;
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switch (cntr) {
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case 0:
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default:
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hsb = stv0900_get_bits(intp, ERR_CNT12);
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msb = stv0900_get_bits(intp, ERR_CNT11);
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lsb = stv0900_get_bits(intp, ERR_CNT10);
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break;
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case 1:
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hsb = stv0900_get_bits(intp, ERR_CNT22);
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msb = stv0900_get_bits(intp, ERR_CNT21);
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lsb = stv0900_get_bits(intp, ERR_CNT20);
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break;
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}
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err_val = (hsb << 16) + (msb << 8) + (lsb);
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return err_val;
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}
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static int stv0900_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
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{
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struct stv0900_state *state = fe->demodulator_priv;
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struct stv0900_internal *intp = state->internal;
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enum fe_stv0900_demod_num demod = state->demod;
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stv0900_write_bits(intp, I2CT_ON, enable);
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return 0;
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}
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static void stv0900_set_ts_parallel_serial(struct stv0900_internal *intp,
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enum fe_stv0900_clock_type path1_ts,
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enum fe_stv0900_clock_type path2_ts)
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{
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dprintk("%s\n", __func__);
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if (intp->chip_id >= 0x20) {
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switch (path1_ts) {
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case STV0900_PARALLEL_PUNCT_CLOCK:
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case STV0900_DVBCI_CLOCK:
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switch (path2_ts) {
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case STV0900_SERIAL_PUNCT_CLOCK:
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case STV0900_SERIAL_CONT_CLOCK:
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default:
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stv0900_write_reg(intp, R0900_TSGENERAL,
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0x00);
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break;
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case STV0900_PARALLEL_PUNCT_CLOCK:
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case STV0900_DVBCI_CLOCK:
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stv0900_write_reg(intp, R0900_TSGENERAL,
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0x06);
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stv0900_write_bits(intp,
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F0900_P1_TSFIFO_MANSPEED, 3);
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stv0900_write_bits(intp,
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F0900_P2_TSFIFO_MANSPEED, 0);
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stv0900_write_reg(intp,
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R0900_P1_TSSPEED, 0x14);
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stv0900_write_reg(intp,
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R0900_P2_TSSPEED, 0x28);
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break;
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}
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break;
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case STV0900_SERIAL_PUNCT_CLOCK:
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case STV0900_SERIAL_CONT_CLOCK:
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default:
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switch (path2_ts) {
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case STV0900_SERIAL_PUNCT_CLOCK:
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case STV0900_SERIAL_CONT_CLOCK:
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default:
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stv0900_write_reg(intp,
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R0900_TSGENERAL, 0x0C);
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break;
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case STV0900_PARALLEL_PUNCT_CLOCK:
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case STV0900_DVBCI_CLOCK:
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stv0900_write_reg(intp,
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R0900_TSGENERAL, 0x0A);
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dprintk("%s: 0x0a\n", __func__);
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break;
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}
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break;
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}
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} else {
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switch (path1_ts) {
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case STV0900_PARALLEL_PUNCT_CLOCK:
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case STV0900_DVBCI_CLOCK:
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switch (path2_ts) {
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case STV0900_SERIAL_PUNCT_CLOCK:
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case STV0900_SERIAL_CONT_CLOCK:
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default:
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stv0900_write_reg(intp, R0900_TSGENERAL1X,
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0x10);
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break;
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case STV0900_PARALLEL_PUNCT_CLOCK:
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case STV0900_DVBCI_CLOCK:
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stv0900_write_reg(intp, R0900_TSGENERAL1X,
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0x16);
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stv0900_write_bits(intp,
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F0900_P1_TSFIFO_MANSPEED, 3);
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stv0900_write_bits(intp,
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F0900_P2_TSFIFO_MANSPEED, 0);
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stv0900_write_reg(intp, R0900_P1_TSSPEED,
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0x14);
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stv0900_write_reg(intp, R0900_P2_TSSPEED,
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0x28);
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break;
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}
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break;
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case STV0900_SERIAL_PUNCT_CLOCK:
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case STV0900_SERIAL_CONT_CLOCK:
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default:
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switch (path2_ts) {
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case STV0900_SERIAL_PUNCT_CLOCK:
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case STV0900_SERIAL_CONT_CLOCK:
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default:
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stv0900_write_reg(intp, R0900_TSGENERAL1X,
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0x14);
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break;
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case STV0900_PARALLEL_PUNCT_CLOCK:
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case STV0900_DVBCI_CLOCK:
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stv0900_write_reg(intp, R0900_TSGENERAL1X,
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0x12);
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dprintk("%s: 0x12\n", __func__);
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break;
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}
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break;
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|
}
|
|
}
|
|
|
|
switch (path1_ts) {
|
|
case STV0900_PARALLEL_PUNCT_CLOCK:
|
|
stv0900_write_bits(intp, F0900_P1_TSFIFO_SERIAL, 0x00);
|
|
stv0900_write_bits(intp, F0900_P1_TSFIFO_DVBCI, 0x00);
|
|
break;
|
|
case STV0900_DVBCI_CLOCK:
|
|
stv0900_write_bits(intp, F0900_P1_TSFIFO_SERIAL, 0x00);
|
|
stv0900_write_bits(intp, F0900_P1_TSFIFO_DVBCI, 0x01);
|
|
break;
|
|
case STV0900_SERIAL_PUNCT_CLOCK:
|
|
stv0900_write_bits(intp, F0900_P1_TSFIFO_SERIAL, 0x01);
|
|
stv0900_write_bits(intp, F0900_P1_TSFIFO_DVBCI, 0x00);
|
|
break;
|
|
case STV0900_SERIAL_CONT_CLOCK:
|
|
stv0900_write_bits(intp, F0900_P1_TSFIFO_SERIAL, 0x01);
|
|
stv0900_write_bits(intp, F0900_P1_TSFIFO_DVBCI, 0x01);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
switch (path2_ts) {
|
|
case STV0900_PARALLEL_PUNCT_CLOCK:
|
|
stv0900_write_bits(intp, F0900_P2_TSFIFO_SERIAL, 0x00);
|
|
stv0900_write_bits(intp, F0900_P2_TSFIFO_DVBCI, 0x00);
|
|
break;
|
|
case STV0900_DVBCI_CLOCK:
|
|
stv0900_write_bits(intp, F0900_P2_TSFIFO_SERIAL, 0x00);
|
|
stv0900_write_bits(intp, F0900_P2_TSFIFO_DVBCI, 0x01);
|
|
break;
|
|
case STV0900_SERIAL_PUNCT_CLOCK:
|
|
stv0900_write_bits(intp, F0900_P2_TSFIFO_SERIAL, 0x01);
|
|
stv0900_write_bits(intp, F0900_P2_TSFIFO_DVBCI, 0x00);
|
|
break;
|
|
case STV0900_SERIAL_CONT_CLOCK:
|
|
stv0900_write_bits(intp, F0900_P2_TSFIFO_SERIAL, 0x01);
|
|
stv0900_write_bits(intp, F0900_P2_TSFIFO_DVBCI, 0x01);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
stv0900_write_bits(intp, F0900_P2_RST_HWARE, 1);
|
|
stv0900_write_bits(intp, F0900_P2_RST_HWARE, 0);
|
|
stv0900_write_bits(intp, F0900_P1_RST_HWARE, 1);
|
|
stv0900_write_bits(intp, F0900_P1_RST_HWARE, 0);
|
|
}
|
|
|
|
void stv0900_set_tuner(struct dvb_frontend *fe, u32 frequency,
|
|
u32 bandwidth)
|
|
{
|
|
struct dvb_frontend_ops *frontend_ops = NULL;
|
|
struct dvb_tuner_ops *tuner_ops = NULL;
|
|
|
|
frontend_ops = &fe->ops;
|
|
tuner_ops = &frontend_ops->tuner_ops;
|
|
|
|
if (tuner_ops->set_frequency) {
|
|
if ((tuner_ops->set_frequency(fe, frequency)) < 0)
|
|
dprintk("%s: Invalid parameter\n", __func__);
|
|
else
|
|
dprintk("%s: Frequency=%d\n", __func__, frequency);
|
|
|
|
}
|
|
|
|
if (tuner_ops->set_bandwidth) {
|
|
if ((tuner_ops->set_bandwidth(fe, bandwidth)) < 0)
|
|
dprintk("%s: Invalid parameter\n", __func__);
|
|
else
|
|
dprintk("%s: Bandwidth=%d\n", __func__, bandwidth);
|
|
|
|
}
|
|
}
|
|
|
|
void stv0900_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth)
|
|
{
|
|
struct dvb_frontend_ops *frontend_ops = NULL;
|
|
struct dvb_tuner_ops *tuner_ops = NULL;
|
|
|
|
frontend_ops = &fe->ops;
|
|
tuner_ops = &frontend_ops->tuner_ops;
|
|
|
|
if (tuner_ops->set_bandwidth) {
|
|
if ((tuner_ops->set_bandwidth(fe, bandwidth)) < 0)
|
|
dprintk("%s: Invalid parameter\n", __func__);
|
|
else
|
|
dprintk("%s: Bandwidth=%d\n", __func__, bandwidth);
|
|
|
|
}
|
|
}
|
|
|
|
u32 stv0900_get_freq_auto(struct stv0900_internal *intp, int demod)
|
|
{
|
|
u32 freq, round;
|
|
/* Formulat :
|
|
Tuner_Frequency(MHz) = Regs / 64
|
|
Tuner_granularity(MHz) = Regs / 2048
|
|
real_Tuner_Frequency = Tuner_Frequency(MHz) - Tuner_granularity(MHz)
|
|
*/
|
|
freq = (stv0900_get_bits(intp, TUN_RFFREQ2) << 10) +
|
|
(stv0900_get_bits(intp, TUN_RFFREQ1) << 2) +
|
|
stv0900_get_bits(intp, TUN_RFFREQ0);
|
|
|
|
freq = (freq * 1000) / 64;
|
|
|
|
round = (stv0900_get_bits(intp, TUN_RFRESTE1) >> 2) +
|
|
stv0900_get_bits(intp, TUN_RFRESTE0);
|
|
|
|
round = (round * 1000) / 2048;
|
|
|
|
return freq + round;
|
|
}
|
|
|
|
void stv0900_set_tuner_auto(struct stv0900_internal *intp, u32 Frequency,
|
|
u32 Bandwidth, int demod)
|
|
{
|
|
u32 tunerFrequency;
|
|
/* Formulat:
|
|
Tuner_frequency_reg= Frequency(MHz)*64
|
|
*/
|
|
tunerFrequency = (Frequency * 64) / 1000;
|
|
|
|
stv0900_write_bits(intp, TUN_RFFREQ2, (tunerFrequency >> 10));
|
|
stv0900_write_bits(intp, TUN_RFFREQ1, (tunerFrequency >> 2) & 0xff);
|
|
stv0900_write_bits(intp, TUN_RFFREQ0, (tunerFrequency & 0x03));
|
|
/* Low Pass Filter = BW /2 (MHz)*/
|
|
stv0900_write_bits(intp, TUN_BW, Bandwidth / 2000000);
|
|
/* Tuner Write trig */
|
|
stv0900_write_reg(intp, TNRLD, 1);
|
|
}
|
|
|
|
static s32 stv0900_get_rf_level(struct stv0900_internal *intp,
|
|
const struct stv0900_table *lookup,
|
|
enum fe_stv0900_demod_num demod)
|
|
{
|
|
s32 agc_gain = 0,
|
|
imin,
|
|
imax,
|
|
i,
|
|
rf_lvl = 0;
|
|
|
|
dprintk("%s\n", __func__);
|
|
|
|
if ((lookup == NULL) || (lookup->size <= 0))
|
|
return 0;
|
|
|
|
agc_gain = MAKEWORD(stv0900_get_bits(intp, AGCIQ_VALUE1),
|
|
stv0900_get_bits(intp, AGCIQ_VALUE0));
|
|
|
|
imin = 0;
|
|
imax = lookup->size - 1;
|
|
if (INRANGE(lookup->table[imin].regval, agc_gain,
|
|
lookup->table[imax].regval)) {
|
|
while ((imax - imin) > 1) {
|
|
i = (imax + imin) >> 1;
|
|
|
|
if (INRANGE(lookup->table[imin].regval,
|
|
agc_gain,
|
|
lookup->table[i].regval))
|
|
imax = i;
|
|
else
|
|
imin = i;
|
|
}
|
|
|
|
rf_lvl = (s32)agc_gain - lookup->table[imin].regval;
|
|
rf_lvl *= (lookup->table[imax].realval -
|
|
lookup->table[imin].realval);
|
|
rf_lvl /= (lookup->table[imax].regval -
|
|
lookup->table[imin].regval);
|
|
rf_lvl += lookup->table[imin].realval;
|
|
} else if (agc_gain > lookup->table[0].regval)
|
|
rf_lvl = 5;
|
|
else if (agc_gain < lookup->table[lookup->size-1].regval)
|
|
rf_lvl = -100;
|
|
|
|
dprintk("%s: RFLevel = %d\n", __func__, rf_lvl);
|
|
|
|
return rf_lvl;
|
|
}
|
|
|
|
static int stv0900_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
struct stv0900_internal *internal = state->internal;
|
|
s32 rflevel = stv0900_get_rf_level(internal, &stv0900_rf,
|
|
state->demod);
|
|
|
|
rflevel = (rflevel + 100) * (65535 / 70);
|
|
if (rflevel < 0)
|
|
rflevel = 0;
|
|
|
|
if (rflevel > 65535)
|
|
rflevel = 65535;
|
|
|
|
*strength = rflevel;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static s32 stv0900_carr_get_quality(struct dvb_frontend *fe,
|
|
const struct stv0900_table *lookup)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
struct stv0900_internal *intp = state->internal;
|
|
enum fe_stv0900_demod_num demod = state->demod;
|
|
|
|
s32 c_n = -100,
|
|
regval,
|
|
imin,
|
|
imax,
|
|
i,
|
|
noise_field1,
|
|
noise_field0;
|
|
|
|
dprintk("%s\n", __func__);
|
|
|
|
if (stv0900_get_standard(fe, demod) == STV0900_DVBS2_STANDARD) {
|
|
noise_field1 = NOSPLHT_NORMED1;
|
|
noise_field0 = NOSPLHT_NORMED0;
|
|
} else {
|
|
noise_field1 = NOSDATAT_NORMED1;
|
|
noise_field0 = NOSDATAT_NORMED0;
|
|
}
|
|
|
|
if (stv0900_get_bits(intp, LOCK_DEFINITIF)) {
|
|
if ((lookup != NULL) && lookup->size) {
|
|
regval = 0;
|
|
msleep(5);
|
|
for (i = 0; i < 16; i++) {
|
|
regval += MAKEWORD(stv0900_get_bits(intp,
|
|
noise_field1),
|
|
stv0900_get_bits(intp,
|
|
noise_field0));
|
|
msleep(1);
|
|
}
|
|
|
|
regval /= 16;
|
|
imin = 0;
|
|
imax = lookup->size - 1;
|
|
if (INRANGE(lookup->table[imin].regval,
|
|
regval,
|
|
lookup->table[imax].regval)) {
|
|
while ((imax - imin) > 1) {
|
|
i = (imax + imin) >> 1;
|
|
if (INRANGE(lookup->table[imin].regval,
|
|
regval,
|
|
lookup->table[i].regval))
|
|
imax = i;
|
|
else
|
|
imin = i;
|
|
}
|
|
|
|
c_n = ((regval - lookup->table[imin].regval)
|
|
* (lookup->table[imax].realval
|
|
- lookup->table[imin].realval)
|
|
/ (lookup->table[imax].regval
|
|
- lookup->table[imin].regval))
|
|
+ lookup->table[imin].realval;
|
|
} else if (regval < lookup->table[imin].regval)
|
|
c_n = 1000;
|
|
}
|
|
}
|
|
|
|
return c_n;
|
|
}
|
|
|
|
static int stv0900_read_ucblocks(struct dvb_frontend *fe, u32 * ucblocks)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
struct stv0900_internal *intp = state->internal;
|
|
enum fe_stv0900_demod_num demod = state->demod;
|
|
u8 err_val1, err_val0;
|
|
u32 header_err_val = 0;
|
|
|
|
*ucblocks = 0x0;
|
|
if (stv0900_get_standard(fe, demod) == STV0900_DVBS2_STANDARD) {
|
|
/* DVB-S2 delineator errors count */
|
|
|
|
/* retreiving number for errnous headers */
|
|
err_val1 = stv0900_read_reg(intp, BBFCRCKO1);
|
|
err_val0 = stv0900_read_reg(intp, BBFCRCKO0);
|
|
header_err_val = (err_val1 << 8) | err_val0;
|
|
|
|
/* retreiving number for errnous packets */
|
|
err_val1 = stv0900_read_reg(intp, UPCRCKO1);
|
|
err_val0 = stv0900_read_reg(intp, UPCRCKO0);
|
|
*ucblocks = (err_val1 << 8) | err_val0;
|
|
*ucblocks += header_err_val;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int stv0900_read_snr(struct dvb_frontend *fe, u16 *snr)
|
|
{
|
|
s32 snrlcl = stv0900_carr_get_quality(fe,
|
|
(const struct stv0900_table *)&stv0900_s2_cn);
|
|
snrlcl = (snrlcl + 30) * 384;
|
|
if (snrlcl < 0)
|
|
snrlcl = 0;
|
|
|
|
if (snrlcl > 65535)
|
|
snrlcl = 65535;
|
|
|
|
*snr = snrlcl;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u32 stv0900_get_ber(struct stv0900_internal *intp,
|
|
enum fe_stv0900_demod_num demod)
|
|
{
|
|
u32 ber = 10000000, i;
|
|
s32 demod_state;
|
|
|
|
demod_state = stv0900_get_bits(intp, HEADER_MODE);
|
|
|
|
switch (demod_state) {
|
|
case STV0900_SEARCH:
|
|
case STV0900_PLH_DETECTED:
|
|
default:
|
|
ber = 10000000;
|
|
break;
|
|
case STV0900_DVBS_FOUND:
|
|
ber = 0;
|
|
for (i = 0; i < 5; i++) {
|
|
msleep(5);
|
|
ber += stv0900_get_err_count(intp, 0, demod);
|
|
}
|
|
|
|
ber /= 5;
|
|
if (stv0900_get_bits(intp, PRFVIT)) {
|
|
ber *= 9766;
|
|
ber = ber >> 13;
|
|
}
|
|
|
|
break;
|
|
case STV0900_DVBS2_FOUND:
|
|
ber = 0;
|
|
for (i = 0; i < 5; i++) {
|
|
msleep(5);
|
|
ber += stv0900_get_err_count(intp, 0, demod);
|
|
}
|
|
|
|
ber /= 5;
|
|
if (stv0900_get_bits(intp, PKTDELIN_LOCK)) {
|
|
ber *= 9766;
|
|
ber = ber >> 13;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
return ber;
|
|
}
|
|
|
|
static int stv0900_read_ber(struct dvb_frontend *fe, u32 *ber)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
struct stv0900_internal *internal = state->internal;
|
|
|
|
*ber = stv0900_get_ber(internal, state->demod);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int stv0900_get_demod_lock(struct stv0900_internal *intp,
|
|
enum fe_stv0900_demod_num demod, s32 time_out)
|
|
{
|
|
s32 timer = 0,
|
|
lock = 0;
|
|
|
|
enum fe_stv0900_search_state dmd_state;
|
|
|
|
while ((timer < time_out) && (lock == 0)) {
|
|
dmd_state = stv0900_get_bits(intp, HEADER_MODE);
|
|
dprintk("Demod State = %d\n", dmd_state);
|
|
switch (dmd_state) {
|
|
case STV0900_SEARCH:
|
|
case STV0900_PLH_DETECTED:
|
|
default:
|
|
lock = 0;
|
|
break;
|
|
case STV0900_DVBS2_FOUND:
|
|
case STV0900_DVBS_FOUND:
|
|
lock = stv0900_get_bits(intp, LOCK_DEFINITIF);
|
|
break;
|
|
}
|
|
|
|
if (lock == 0)
|
|
msleep(10);
|
|
|
|
timer += 10;
|
|
}
|
|
|
|
if (lock)
|
|
dprintk("DEMOD LOCK OK\n");
|
|
else
|
|
dprintk("DEMOD LOCK FAIL\n");
|
|
|
|
return lock;
|
|
}
|
|
|
|
void stv0900_stop_all_s2_modcod(struct stv0900_internal *intp,
|
|
enum fe_stv0900_demod_num demod)
|
|
{
|
|
s32 regflist,
|
|
i;
|
|
|
|
dprintk("%s\n", __func__);
|
|
|
|
regflist = MODCODLST0;
|
|
|
|
for (i = 0; i < 16; i++)
|
|
stv0900_write_reg(intp, regflist + i, 0xff);
|
|
}
|
|
|
|
void stv0900_activate_s2_modcod(struct stv0900_internal *intp,
|
|
enum fe_stv0900_demod_num demod)
|
|
{
|
|
u32 matype,
|
|
mod_code,
|
|
fmod,
|
|
reg_index,
|
|
field_index;
|
|
|
|
dprintk("%s\n", __func__);
|
|
|
|
if (intp->chip_id <= 0x11) {
|
|
msleep(5);
|
|
|
|
mod_code = stv0900_read_reg(intp, PLHMODCOD);
|
|
matype = mod_code & 0x3;
|
|
mod_code = (mod_code & 0x7f) >> 2;
|
|
|
|
reg_index = MODCODLSTF - mod_code / 2;
|
|
field_index = mod_code % 2;
|
|
|
|
switch (matype) {
|
|
case 0:
|
|
default:
|
|
fmod = 14;
|
|
break;
|
|
case 1:
|
|
fmod = 13;
|
|
break;
|
|
case 2:
|
|
fmod = 11;
|
|
break;
|
|
case 3:
|
|
fmod = 7;
|
|
break;
|
|
}
|
|
|
|
if ((INRANGE(STV0900_QPSK_12, mod_code, STV0900_8PSK_910))
|
|
&& (matype <= 1)) {
|
|
if (field_index == 0)
|
|
stv0900_write_reg(intp, reg_index,
|
|
0xf0 | fmod);
|
|
else
|
|
stv0900_write_reg(intp, reg_index,
|
|
(fmod << 4) | 0xf);
|
|
}
|
|
|
|
} else if (intp->chip_id >= 0x12) {
|
|
for (reg_index = 0; reg_index < 7; reg_index++)
|
|
stv0900_write_reg(intp, MODCODLST0 + reg_index, 0xff);
|
|
|
|
stv0900_write_reg(intp, MODCODLSTE, 0xff);
|
|
stv0900_write_reg(intp, MODCODLSTF, 0xcf);
|
|
for (reg_index = 0; reg_index < 8; reg_index++)
|
|
stv0900_write_reg(intp, MODCODLST7 + reg_index, 0xcc);
|
|
|
|
|
|
}
|
|
}
|
|
|
|
void stv0900_activate_s2_modcod_single(struct stv0900_internal *intp,
|
|
enum fe_stv0900_demod_num demod)
|
|
{
|
|
u32 reg_index;
|
|
|
|
dprintk("%s\n", __func__);
|
|
|
|
stv0900_write_reg(intp, MODCODLST0, 0xff);
|
|
stv0900_write_reg(intp, MODCODLST1, 0xf0);
|
|
stv0900_write_reg(intp, MODCODLSTF, 0x0f);
|
|
for (reg_index = 0; reg_index < 13; reg_index++)
|
|
stv0900_write_reg(intp, MODCODLST2 + reg_index, 0);
|
|
|
|
}
|
|
|
|
static enum dvbfe_algo stv0900_frontend_algo(struct dvb_frontend *fe)
|
|
{
|
|
return DVBFE_ALGO_CUSTOM;
|
|
}
|
|
|
|
void stv0900_start_search(struct stv0900_internal *intp,
|
|
enum fe_stv0900_demod_num demod)
|
|
{
|
|
u32 freq;
|
|
s16 freq_s16 ;
|
|
|
|
stv0900_write_bits(intp, DEMOD_MODE, 0x1f);
|
|
if (intp->chip_id == 0x10)
|
|
stv0900_write_reg(intp, CORRELEXP, 0xaa);
|
|
|
|
if (intp->chip_id < 0x20)
|
|
stv0900_write_reg(intp, CARHDR, 0x55);
|
|
|
|
if (intp->chip_id <= 0x20) {
|
|
if (intp->symbol_rate[0] <= 5000000) {
|
|
stv0900_write_reg(intp, CARCFG, 0x44);
|
|
stv0900_write_reg(intp, CFRUP1, 0x0f);
|
|
stv0900_write_reg(intp, CFRUP0, 0xff);
|
|
stv0900_write_reg(intp, CFRLOW1, 0xf0);
|
|
stv0900_write_reg(intp, CFRLOW0, 0x00);
|
|
stv0900_write_reg(intp, RTCS2, 0x68);
|
|
} else {
|
|
stv0900_write_reg(intp, CARCFG, 0xc4);
|
|
stv0900_write_reg(intp, RTCS2, 0x44);
|
|
}
|
|
|
|
} else { /*cut 3.0 above*/
|
|
if (intp->symbol_rate[demod] <= 5000000)
|
|
stv0900_write_reg(intp, RTCS2, 0x68);
|
|
else
|
|
stv0900_write_reg(intp, RTCS2, 0x44);
|
|
|
|
stv0900_write_reg(intp, CARCFG, 0x46);
|
|
if (intp->srch_algo[demod] == STV0900_WARM_START) {
|
|
freq = 1000 << 16;
|
|
freq /= (intp->mclk / 1000);
|
|
freq_s16 = (s16)freq;
|
|
} else {
|
|
freq = (intp->srch_range[demod] / 2000);
|
|
if (intp->symbol_rate[demod] <= 5000000)
|
|
freq += 80;
|
|
else
|
|
freq += 600;
|
|
|
|
freq = freq << 16;
|
|
freq /= (intp->mclk / 1000);
|
|
freq_s16 = (s16)freq;
|
|
}
|
|
|
|
stv0900_write_bits(intp, CFR_UP1, MSB(freq_s16));
|
|
stv0900_write_bits(intp, CFR_UP0, LSB(freq_s16));
|
|
freq_s16 *= (-1);
|
|
stv0900_write_bits(intp, CFR_LOW1, MSB(freq_s16));
|
|
stv0900_write_bits(intp, CFR_LOW0, LSB(freq_s16));
|
|
}
|
|
|
|
stv0900_write_reg(intp, CFRINIT1, 0);
|
|
stv0900_write_reg(intp, CFRINIT0, 0);
|
|
|
|
if (intp->chip_id >= 0x20) {
|
|
stv0900_write_reg(intp, EQUALCFG, 0x41);
|
|
stv0900_write_reg(intp, FFECFG, 0x41);
|
|
|
|
if ((intp->srch_standard[demod] == STV0900_SEARCH_DVBS1) ||
|
|
(intp->srch_standard[demod] == STV0900_SEARCH_DSS) ||
|
|
(intp->srch_standard[demod] == STV0900_AUTO_SEARCH)) {
|
|
stv0900_write_reg(intp, VITSCALE,
|
|
0x82);
|
|
stv0900_write_reg(intp, VAVSRVIT, 0x0);
|
|
}
|
|
}
|
|
|
|
stv0900_write_reg(intp, SFRSTEP, 0x00);
|
|
stv0900_write_reg(intp, TMGTHRISE, 0xe0);
|
|
stv0900_write_reg(intp, TMGTHFALL, 0xc0);
|
|
stv0900_write_bits(intp, SCAN_ENABLE, 0);
|
|
stv0900_write_bits(intp, CFR_AUTOSCAN, 0);
|
|
stv0900_write_bits(intp, S1S2_SEQUENTIAL, 0);
|
|
stv0900_write_reg(intp, RTC, 0x88);
|
|
if (intp->chip_id >= 0x20) {
|
|
if (intp->symbol_rate[demod] < 2000000) {
|
|
if (intp->chip_id <= 0x20)
|
|
stv0900_write_reg(intp, CARFREQ, 0x39);
|
|
else /*cut 3.0*/
|
|
stv0900_write_reg(intp, CARFREQ, 0x89);
|
|
|
|
stv0900_write_reg(intp, CARHDR, 0x40);
|
|
} else if (intp->symbol_rate[demod] < 10000000) {
|
|
stv0900_write_reg(intp, CARFREQ, 0x4c);
|
|
stv0900_write_reg(intp, CARHDR, 0x20);
|
|
} else {
|
|
stv0900_write_reg(intp, CARFREQ, 0x4b);
|
|
stv0900_write_reg(intp, CARHDR, 0x20);
|
|
}
|
|
|
|
} else {
|
|
if (intp->symbol_rate[demod] < 10000000)
|
|
stv0900_write_reg(intp, CARFREQ, 0xef);
|
|
else
|
|
stv0900_write_reg(intp, CARFREQ, 0xed);
|
|
}
|
|
|
|
switch (intp->srch_algo[demod]) {
|
|
case STV0900_WARM_START:
|
|
stv0900_write_reg(intp, DMDISTATE, 0x1f);
|
|
stv0900_write_reg(intp, DMDISTATE, 0x18);
|
|
break;
|
|
case STV0900_COLD_START:
|
|
stv0900_write_reg(intp, DMDISTATE, 0x1f);
|
|
stv0900_write_reg(intp, DMDISTATE, 0x15);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
u8 stv0900_get_optim_carr_loop(s32 srate, enum fe_stv0900_modcode modcode,
|
|
s32 pilot, u8 chip_id)
|
|
{
|
|
u8 aclc_value = 0x29;
|
|
s32 i, cllas2_size;
|
|
const struct stv0900_car_loop_optim *cls2, *cllqs2, *cllas2;
|
|
|
|
dprintk("%s\n", __func__);
|
|
|
|
if (chip_id <= 0x12) {
|
|
cls2 = FE_STV0900_S2CarLoop;
|
|
cllqs2 = FE_STV0900_S2LowQPCarLoopCut30;
|
|
cllas2 = FE_STV0900_S2APSKCarLoopCut30;
|
|
cllas2_size = ARRAY_SIZE(FE_STV0900_S2APSKCarLoopCut30);
|
|
} else if (chip_id == 0x20) {
|
|
cls2 = FE_STV0900_S2CarLoopCut20;
|
|
cllqs2 = FE_STV0900_S2LowQPCarLoopCut20;
|
|
cllas2 = FE_STV0900_S2APSKCarLoopCut20;
|
|
cllas2_size = ARRAY_SIZE(FE_STV0900_S2APSKCarLoopCut20);
|
|
} else {
|
|
cls2 = FE_STV0900_S2CarLoopCut30;
|
|
cllqs2 = FE_STV0900_S2LowQPCarLoopCut30;
|
|
cllas2 = FE_STV0900_S2APSKCarLoopCut30;
|
|
cllas2_size = ARRAY_SIZE(FE_STV0900_S2APSKCarLoopCut30);
|
|
}
|
|
|
|
if (modcode < STV0900_QPSK_12) {
|
|
i = 0;
|
|
while ((i < 3) && (modcode != cllqs2[i].modcode))
|
|
i++;
|
|
|
|
if (i >= 3)
|
|
i = 2;
|
|
} else {
|
|
i = 0;
|
|
while ((i < 14) && (modcode != cls2[i].modcode))
|
|
i++;
|
|
|
|
if (i >= 14) {
|
|
i = 0;
|
|
while ((i < 11) && (modcode != cllas2[i].modcode))
|
|
i++;
|
|
|
|
if (i >= 11)
|
|
i = 10;
|
|
}
|
|
}
|
|
|
|
if (modcode <= STV0900_QPSK_25) {
|
|
if (pilot) {
|
|
if (srate <= 3000000)
|
|
aclc_value = cllqs2[i].car_loop_pilots_on_2;
|
|
else if (srate <= 7000000)
|
|
aclc_value = cllqs2[i].car_loop_pilots_on_5;
|
|
else if (srate <= 15000000)
|
|
aclc_value = cllqs2[i].car_loop_pilots_on_10;
|
|
else if (srate <= 25000000)
|
|
aclc_value = cllqs2[i].car_loop_pilots_on_20;
|
|
else
|
|
aclc_value = cllqs2[i].car_loop_pilots_on_30;
|
|
} else {
|
|
if (srate <= 3000000)
|
|
aclc_value = cllqs2[i].car_loop_pilots_off_2;
|
|
else if (srate <= 7000000)
|
|
aclc_value = cllqs2[i].car_loop_pilots_off_5;
|
|
else if (srate <= 15000000)
|
|
aclc_value = cllqs2[i].car_loop_pilots_off_10;
|
|
else if (srate <= 25000000)
|
|
aclc_value = cllqs2[i].car_loop_pilots_off_20;
|
|
else
|
|
aclc_value = cllqs2[i].car_loop_pilots_off_30;
|
|
}
|
|
|
|
} else if (modcode <= STV0900_8PSK_910) {
|
|
if (pilot) {
|
|
if (srate <= 3000000)
|
|
aclc_value = cls2[i].car_loop_pilots_on_2;
|
|
else if (srate <= 7000000)
|
|
aclc_value = cls2[i].car_loop_pilots_on_5;
|
|
else if (srate <= 15000000)
|
|
aclc_value = cls2[i].car_loop_pilots_on_10;
|
|
else if (srate <= 25000000)
|
|
aclc_value = cls2[i].car_loop_pilots_on_20;
|
|
else
|
|
aclc_value = cls2[i].car_loop_pilots_on_30;
|
|
} else {
|
|
if (srate <= 3000000)
|
|
aclc_value = cls2[i].car_loop_pilots_off_2;
|
|
else if (srate <= 7000000)
|
|
aclc_value = cls2[i].car_loop_pilots_off_5;
|
|
else if (srate <= 15000000)
|
|
aclc_value = cls2[i].car_loop_pilots_off_10;
|
|
else if (srate <= 25000000)
|
|
aclc_value = cls2[i].car_loop_pilots_off_20;
|
|
else
|
|
aclc_value = cls2[i].car_loop_pilots_off_30;
|
|
}
|
|
|
|
} else if (i < cllas2_size) {
|
|
if (srate <= 3000000)
|
|
aclc_value = cllas2[i].car_loop_pilots_on_2;
|
|
else if (srate <= 7000000)
|
|
aclc_value = cllas2[i].car_loop_pilots_on_5;
|
|
else if (srate <= 15000000)
|
|
aclc_value = cllas2[i].car_loop_pilots_on_10;
|
|
else if (srate <= 25000000)
|
|
aclc_value = cllas2[i].car_loop_pilots_on_20;
|
|
else
|
|
aclc_value = cllas2[i].car_loop_pilots_on_30;
|
|
}
|
|
|
|
return aclc_value;
|
|
}
|
|
|
|
u8 stv0900_get_optim_short_carr_loop(s32 srate,
|
|
enum fe_stv0900_modulation modulation,
|
|
u8 chip_id)
|
|
{
|
|
const struct stv0900_short_frames_car_loop_optim *s2scl;
|
|
const struct stv0900_short_frames_car_loop_optim_vs_mod *s2sclc30;
|
|
s32 mod_index = 0;
|
|
u8 aclc_value = 0x0b;
|
|
|
|
dprintk("%s\n", __func__);
|
|
|
|
s2scl = FE_STV0900_S2ShortCarLoop;
|
|
s2sclc30 = FE_STV0900_S2ShortCarLoopCut30;
|
|
|
|
switch (modulation) {
|
|
case STV0900_QPSK:
|
|
default:
|
|
mod_index = 0;
|
|
break;
|
|
case STV0900_8PSK:
|
|
mod_index = 1;
|
|
break;
|
|
case STV0900_16APSK:
|
|
mod_index = 2;
|
|
break;
|
|
case STV0900_32APSK:
|
|
mod_index = 3;
|
|
break;
|
|
}
|
|
|
|
if (chip_id >= 0x30) {
|
|
if (srate <= 3000000)
|
|
aclc_value = s2sclc30[mod_index].car_loop_2;
|
|
else if (srate <= 7000000)
|
|
aclc_value = s2sclc30[mod_index].car_loop_5;
|
|
else if (srate <= 15000000)
|
|
aclc_value = s2sclc30[mod_index].car_loop_10;
|
|
else if (srate <= 25000000)
|
|
aclc_value = s2sclc30[mod_index].car_loop_20;
|
|
else
|
|
aclc_value = s2sclc30[mod_index].car_loop_30;
|
|
|
|
} else if (chip_id >= 0x20) {
|
|
if (srate <= 3000000)
|
|
aclc_value = s2scl[mod_index].car_loop_cut20_2;
|
|
else if (srate <= 7000000)
|
|
aclc_value = s2scl[mod_index].car_loop_cut20_5;
|
|
else if (srate <= 15000000)
|
|
aclc_value = s2scl[mod_index].car_loop_cut20_10;
|
|
else if (srate <= 25000000)
|
|
aclc_value = s2scl[mod_index].car_loop_cut20_20;
|
|
else
|
|
aclc_value = s2scl[mod_index].car_loop_cut20_30;
|
|
|
|
} else {
|
|
if (srate <= 3000000)
|
|
aclc_value = s2scl[mod_index].car_loop_cut12_2;
|
|
else if (srate <= 7000000)
|
|
aclc_value = s2scl[mod_index].car_loop_cut12_5;
|
|
else if (srate <= 15000000)
|
|
aclc_value = s2scl[mod_index].car_loop_cut12_10;
|
|
else if (srate <= 25000000)
|
|
aclc_value = s2scl[mod_index].car_loop_cut12_20;
|
|
else
|
|
aclc_value = s2scl[mod_index].car_loop_cut12_30;
|
|
|
|
}
|
|
|
|
return aclc_value;
|
|
}
|
|
|
|
static
|
|
enum fe_stv0900_error stv0900_st_dvbs2_single(struct stv0900_internal *intp,
|
|
enum fe_stv0900_demod_mode LDPC_Mode,
|
|
enum fe_stv0900_demod_num demod)
|
|
{
|
|
s32 reg_ind;
|
|
|
|
dprintk("%s\n", __func__);
|
|
|
|
switch (LDPC_Mode) {
|
|
case STV0900_DUAL:
|
|
default:
|
|
if ((intp->demod_mode != STV0900_DUAL)
|
|
|| (stv0900_get_bits(intp, F0900_DDEMOD) != 1)) {
|
|
stv0900_write_reg(intp, R0900_GENCFG, 0x1d);
|
|
|
|
intp->demod_mode = STV0900_DUAL;
|
|
|
|
stv0900_write_bits(intp, F0900_FRESFEC, 1);
|
|
stv0900_write_bits(intp, F0900_FRESFEC, 0);
|
|
|
|
for (reg_ind = 0; reg_ind < 7; reg_ind++)
|
|
stv0900_write_reg(intp,
|
|
R0900_P1_MODCODLST0 + reg_ind,
|
|
0xff);
|
|
for (reg_ind = 0; reg_ind < 8; reg_ind++)
|
|
stv0900_write_reg(intp,
|
|
R0900_P1_MODCODLST7 + reg_ind,
|
|
0xcc);
|
|
|
|
stv0900_write_reg(intp, R0900_P1_MODCODLSTE, 0xff);
|
|
stv0900_write_reg(intp, R0900_P1_MODCODLSTF, 0xcf);
|
|
|
|
for (reg_ind = 0; reg_ind < 7; reg_ind++)
|
|
stv0900_write_reg(intp,
|
|
R0900_P2_MODCODLST0 + reg_ind,
|
|
0xff);
|
|
for (reg_ind = 0; reg_ind < 8; reg_ind++)
|
|
stv0900_write_reg(intp,
|
|
R0900_P2_MODCODLST7 + reg_ind,
|
|
0xcc);
|
|
|
|
stv0900_write_reg(intp, R0900_P2_MODCODLSTE, 0xff);
|
|
stv0900_write_reg(intp, R0900_P2_MODCODLSTF, 0xcf);
|
|
}
|
|
|
|
break;
|
|
case STV0900_SINGLE:
|
|
if (demod == STV0900_DEMOD_2) {
|
|
stv0900_stop_all_s2_modcod(intp, STV0900_DEMOD_1);
|
|
stv0900_activate_s2_modcod_single(intp,
|
|
STV0900_DEMOD_2);
|
|
stv0900_write_reg(intp, R0900_GENCFG, 0x06);
|
|
} else {
|
|
stv0900_stop_all_s2_modcod(intp, STV0900_DEMOD_2);
|
|
stv0900_activate_s2_modcod_single(intp,
|
|
STV0900_DEMOD_1);
|
|
stv0900_write_reg(intp, R0900_GENCFG, 0x04);
|
|
}
|
|
|
|
intp->demod_mode = STV0900_SINGLE;
|
|
|
|
stv0900_write_bits(intp, F0900_FRESFEC, 1);
|
|
stv0900_write_bits(intp, F0900_FRESFEC, 0);
|
|
stv0900_write_bits(intp, F0900_P1_ALGOSWRST, 1);
|
|
stv0900_write_bits(intp, F0900_P1_ALGOSWRST, 0);
|
|
stv0900_write_bits(intp, F0900_P2_ALGOSWRST, 1);
|
|
stv0900_write_bits(intp, F0900_P2_ALGOSWRST, 0);
|
|
break;
|
|
}
|
|
|
|
return STV0900_NO_ERROR;
|
|
}
|
|
|
|
static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe,
|
|
struct stv0900_init_params *p_init)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
enum fe_stv0900_error error = STV0900_NO_ERROR;
|
|
enum fe_stv0900_error demodError = STV0900_NO_ERROR;
|
|
struct stv0900_internal *intp = NULL;
|
|
int selosci, i;
|
|
|
|
struct stv0900_inode *temp_int = find_inode(state->i2c_adap,
|
|
state->config->demod_address);
|
|
|
|
dprintk("%s\n", __func__);
|
|
|
|
if ((temp_int != NULL) && (p_init->demod_mode == STV0900_DUAL)) {
|
|
state->internal = temp_int->internal;
|
|
(state->internal->dmds_used)++;
|
|
dprintk("%s: Find Internal Structure!\n", __func__);
|
|
return STV0900_NO_ERROR;
|
|
} else {
|
|
state->internal = kmalloc(sizeof(struct stv0900_internal),
|
|
GFP_KERNEL);
|
|
if (state->internal == NULL)
|
|
return STV0900_INVALID_HANDLE;
|
|
temp_int = append_internal(state->internal);
|
|
if (temp_int == NULL) {
|
|
kfree(state->internal);
|
|
state->internal = NULL;
|
|
return STV0900_INVALID_HANDLE;
|
|
}
|
|
state->internal->dmds_used = 1;
|
|
state->internal->i2c_adap = state->i2c_adap;
|
|
state->internal->i2c_addr = state->config->demod_address;
|
|
state->internal->clkmode = state->config->clkmode;
|
|
state->internal->errs = STV0900_NO_ERROR;
|
|
dprintk("%s: Create New Internal Structure!\n", __func__);
|
|
}
|
|
|
|
if (state->internal == NULL) {
|
|
error = STV0900_INVALID_HANDLE;
|
|
return error;
|
|
}
|
|
|
|
demodError = stv0900_initialize(state->internal);
|
|
if (demodError == STV0900_NO_ERROR) {
|
|
error = STV0900_NO_ERROR;
|
|
} else {
|
|
if (demodError == STV0900_INVALID_HANDLE)
|
|
error = STV0900_INVALID_HANDLE;
|
|
else
|
|
error = STV0900_I2C_ERROR;
|
|
|
|
return error;
|
|
}
|
|
|
|
intp = state->internal;
|
|
|
|
intp->demod_mode = p_init->demod_mode;
|
|
stv0900_st_dvbs2_single(intp, intp->demod_mode, STV0900_DEMOD_1);
|
|
intp->chip_id = stv0900_read_reg(intp, R0900_MID);
|
|
intp->rolloff = p_init->rolloff;
|
|
intp->quartz = p_init->dmd_ref_clk;
|
|
|
|
stv0900_write_bits(intp, F0900_P1_ROLLOFF_CONTROL, p_init->rolloff);
|
|
stv0900_write_bits(intp, F0900_P2_ROLLOFF_CONTROL, p_init->rolloff);
|
|
|
|
intp->ts_config = p_init->ts_config;
|
|
if (intp->ts_config == NULL)
|
|
stv0900_set_ts_parallel_serial(intp,
|
|
p_init->path1_ts_clock,
|
|
p_init->path2_ts_clock);
|
|
else {
|
|
for (i = 0; intp->ts_config[i].addr != 0xffff; i++)
|
|
stv0900_write_reg(intp,
|
|
intp->ts_config[i].addr,
|
|
intp->ts_config[i].val);
|
|
|
|
stv0900_write_bits(intp, F0900_P2_RST_HWARE, 1);
|
|
stv0900_write_bits(intp, F0900_P2_RST_HWARE, 0);
|
|
stv0900_write_bits(intp, F0900_P1_RST_HWARE, 1);
|
|
stv0900_write_bits(intp, F0900_P1_RST_HWARE, 0);
|
|
}
|
|
|
|
intp->tuner_type[0] = p_init->tuner1_type;
|
|
intp->tuner_type[1] = p_init->tuner2_type;
|
|
/* tuner init */
|
|
switch (p_init->tuner1_type) {
|
|
case 3: /*FE_AUTO_STB6100:*/
|
|
stv0900_write_reg(intp, R0900_P1_TNRCFG, 0x3c);
|
|
stv0900_write_reg(intp, R0900_P1_TNRCFG2, 0x86);
|
|
stv0900_write_reg(intp, R0900_P1_TNRCFG3, 0x18);
|
|
stv0900_write_reg(intp, R0900_P1_TNRXTAL, 27); /* 27MHz */
|
|
stv0900_write_reg(intp, R0900_P1_TNRSTEPS, 0x05);
|
|
stv0900_write_reg(intp, R0900_P1_TNRGAIN, 0x17);
|
|
stv0900_write_reg(intp, R0900_P1_TNRADJ, 0x1f);
|
|
stv0900_write_reg(intp, R0900_P1_TNRCTL2, 0x0);
|
|
stv0900_write_bits(intp, F0900_P1_TUN_TYPE, 3);
|
|
break;
|
|
/* case FE_SW_TUNER: */
|
|
default:
|
|
stv0900_write_bits(intp, F0900_P1_TUN_TYPE, 6);
|
|
break;
|
|
}
|
|
|
|
stv0900_write_bits(intp, F0900_P1_TUN_MADDRESS, p_init->tun1_maddress);
|
|
switch (p_init->tuner1_adc) {
|
|
case 1:
|
|
stv0900_write_reg(intp, R0900_TSTTNR1, 0x26);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
stv0900_write_reg(intp, R0900_P1_TNRLD, 1); /* hw tuner */
|
|
|
|
/* tuner init */
|
|
switch (p_init->tuner2_type) {
|
|
case 3: /*FE_AUTO_STB6100:*/
|
|
stv0900_write_reg(intp, R0900_P2_TNRCFG, 0x3c);
|
|
stv0900_write_reg(intp, R0900_P2_TNRCFG2, 0x86);
|
|
stv0900_write_reg(intp, R0900_P2_TNRCFG3, 0x18);
|
|
stv0900_write_reg(intp, R0900_P2_TNRXTAL, 27); /* 27MHz */
|
|
stv0900_write_reg(intp, R0900_P2_TNRSTEPS, 0x05);
|
|
stv0900_write_reg(intp, R0900_P2_TNRGAIN, 0x17);
|
|
stv0900_write_reg(intp, R0900_P2_TNRADJ, 0x1f);
|
|
stv0900_write_reg(intp, R0900_P2_TNRCTL2, 0x0);
|
|
stv0900_write_bits(intp, F0900_P2_TUN_TYPE, 3);
|
|
break;
|
|
/* case FE_SW_TUNER: */
|
|
default:
|
|
stv0900_write_bits(intp, F0900_P2_TUN_TYPE, 6);
|
|
break;
|
|
}
|
|
|
|
stv0900_write_bits(intp, F0900_P2_TUN_MADDRESS, p_init->tun2_maddress);
|
|
switch (p_init->tuner2_adc) {
|
|
case 1:
|
|
stv0900_write_reg(intp, R0900_TSTTNR3, 0x26);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
stv0900_write_reg(intp, R0900_P2_TNRLD, 1); /* hw tuner */
|
|
|
|
stv0900_write_bits(intp, F0900_P1_TUN_IQSWAP, p_init->tun1_iq_inv);
|
|
stv0900_write_bits(intp, F0900_P2_TUN_IQSWAP, p_init->tun2_iq_inv);
|
|
stv0900_set_mclk(intp, 135000000);
|
|
msleep(3);
|
|
|
|
switch (intp->clkmode) {
|
|
case 0:
|
|
case 2:
|
|
stv0900_write_reg(intp, R0900_SYNTCTRL, 0x20 | intp->clkmode);
|
|
break;
|
|
default:
|
|
selosci = 0x02 & stv0900_read_reg(intp, R0900_SYNTCTRL);
|
|
stv0900_write_reg(intp, R0900_SYNTCTRL, 0x20 | selosci);
|
|
break;
|
|
}
|
|
msleep(3);
|
|
|
|
intp->mclk = stv0900_get_mclk_freq(intp, intp->quartz);
|
|
if (intp->errs)
|
|
error = STV0900_I2C_ERROR;
|
|
|
|
return error;
|
|
}
|
|
|
|
static int stv0900_status(struct stv0900_internal *intp,
|
|
enum fe_stv0900_demod_num demod)
|
|
{
|
|
enum fe_stv0900_search_state demod_state;
|
|
int locked = FALSE;
|
|
u8 tsbitrate0_val, tsbitrate1_val;
|
|
s32 bitrate;
|
|
|
|
demod_state = stv0900_get_bits(intp, HEADER_MODE);
|
|
switch (demod_state) {
|
|
case STV0900_SEARCH:
|
|
case STV0900_PLH_DETECTED:
|
|
default:
|
|
locked = FALSE;
|
|
break;
|
|
case STV0900_DVBS2_FOUND:
|
|
locked = stv0900_get_bits(intp, LOCK_DEFINITIF) &&
|
|
stv0900_get_bits(intp, PKTDELIN_LOCK) &&
|
|
stv0900_get_bits(intp, TSFIFO_LINEOK);
|
|
break;
|
|
case STV0900_DVBS_FOUND:
|
|
locked = stv0900_get_bits(intp, LOCK_DEFINITIF) &&
|
|
stv0900_get_bits(intp, LOCKEDVIT) &&
|
|
stv0900_get_bits(intp, TSFIFO_LINEOK);
|
|
break;
|
|
}
|
|
|
|
dprintk("%s: locked = %d\n", __func__, locked);
|
|
|
|
if (stvdebug) {
|
|
/* Print TS bitrate */
|
|
tsbitrate0_val = stv0900_read_reg(intp, TSBITRATE0);
|
|
tsbitrate1_val = stv0900_read_reg(intp, TSBITRATE1);
|
|
/* Formula Bit rate = Mclk * px_tsfifo_bitrate / 16384 */
|
|
bitrate = (stv0900_get_mclk_freq(intp, intp->quartz)/1000000)
|
|
* (tsbitrate1_val << 8 | tsbitrate0_val);
|
|
bitrate /= 16384;
|
|
dprintk("TS bitrate = %d Mbit/sec\n", bitrate);
|
|
}
|
|
|
|
return locked;
|
|
}
|
|
|
|
static int stv0900_set_mis(struct stv0900_internal *intp,
|
|
enum fe_stv0900_demod_num demod, int mis)
|
|
{
|
|
dprintk("%s\n", __func__);
|
|
|
|
if (mis < 0 || mis > 255) {
|
|
dprintk("Disable MIS filtering\n");
|
|
stv0900_write_bits(intp, FILTER_EN, 0);
|
|
} else {
|
|
dprintk("Enable MIS filtering - %d\n", mis);
|
|
stv0900_write_bits(intp, FILTER_EN, 1);
|
|
stv0900_write_reg(intp, ISIENTRY, mis);
|
|
stv0900_write_reg(intp, ISIBITENA, 0xff);
|
|
}
|
|
|
|
return STV0900_NO_ERROR;
|
|
}
|
|
|
|
|
|
static enum dvbfe_search stv0900_search(struct dvb_frontend *fe)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
struct stv0900_internal *intp = state->internal;
|
|
enum fe_stv0900_demod_num demod = state->demod;
|
|
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
|
|
|
|
struct stv0900_search_params p_search;
|
|
struct stv0900_signal_info p_result = intp->result[demod];
|
|
|
|
enum fe_stv0900_error error = STV0900_NO_ERROR;
|
|
|
|
dprintk("%s: ", __func__);
|
|
|
|
if (!(INRANGE(100000, c->symbol_rate, 70000000)))
|
|
return DVBFE_ALGO_SEARCH_FAILED;
|
|
|
|
if (state->config->set_ts_params)
|
|
state->config->set_ts_params(fe, 0);
|
|
|
|
stv0900_set_mis(intp, demod, c->stream_id);
|
|
|
|
p_result.locked = FALSE;
|
|
p_search.path = demod;
|
|
p_search.frequency = c->frequency;
|
|
p_search.symbol_rate = c->symbol_rate;
|
|
p_search.search_range = 10000000;
|
|
p_search.fec = STV0900_FEC_UNKNOWN;
|
|
p_search.standard = STV0900_AUTO_SEARCH;
|
|
p_search.iq_inversion = STV0900_IQ_AUTO;
|
|
p_search.search_algo = STV0900_BLIND_SEARCH;
|
|
/* Speeds up DVB-S searching */
|
|
if (c->delivery_system == SYS_DVBS)
|
|
p_search.standard = STV0900_SEARCH_DVBS1;
|
|
|
|
intp->srch_standard[demod] = p_search.standard;
|
|
intp->symbol_rate[demod] = p_search.symbol_rate;
|
|
intp->srch_range[demod] = p_search.search_range;
|
|
intp->freq[demod] = p_search.frequency;
|
|
intp->srch_algo[demod] = p_search.search_algo;
|
|
intp->srch_iq_inv[demod] = p_search.iq_inversion;
|
|
intp->fec[demod] = p_search.fec;
|
|
if ((stv0900_algo(fe) == STV0900_RANGEOK) &&
|
|
(intp->errs == STV0900_NO_ERROR)) {
|
|
p_result.locked = intp->result[demod].locked;
|
|
p_result.standard = intp->result[demod].standard;
|
|
p_result.frequency = intp->result[demod].frequency;
|
|
p_result.symbol_rate = intp->result[demod].symbol_rate;
|
|
p_result.fec = intp->result[demod].fec;
|
|
p_result.modcode = intp->result[demod].modcode;
|
|
p_result.pilot = intp->result[demod].pilot;
|
|
p_result.frame_len = intp->result[demod].frame_len;
|
|
p_result.spectrum = intp->result[demod].spectrum;
|
|
p_result.rolloff = intp->result[demod].rolloff;
|
|
p_result.modulation = intp->result[demod].modulation;
|
|
} else {
|
|
p_result.locked = FALSE;
|
|
switch (intp->err[demod]) {
|
|
case STV0900_I2C_ERROR:
|
|
error = STV0900_I2C_ERROR;
|
|
break;
|
|
case STV0900_NO_ERROR:
|
|
default:
|
|
error = STV0900_SEARCH_FAILED;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((p_result.locked == TRUE) && (error == STV0900_NO_ERROR)) {
|
|
dprintk("Search Success\n");
|
|
return DVBFE_ALGO_SEARCH_SUCCESS;
|
|
} else {
|
|
dprintk("Search Fail\n");
|
|
return DVBFE_ALGO_SEARCH_FAILED;
|
|
}
|
|
|
|
}
|
|
|
|
static int stv0900_read_status(struct dvb_frontend *fe, enum fe_status *status)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
|
|
dprintk("%s: ", __func__);
|
|
|
|
if ((stv0900_status(state->internal, state->demod)) == TRUE) {
|
|
dprintk("DEMOD LOCK OK\n");
|
|
*status = FE_HAS_CARRIER
|
|
| FE_HAS_VITERBI
|
|
| FE_HAS_SYNC
|
|
| FE_HAS_LOCK;
|
|
if (state->config->set_lock_led)
|
|
state->config->set_lock_led(fe, 1);
|
|
} else {
|
|
*status = 0;
|
|
if (state->config->set_lock_led)
|
|
state->config->set_lock_led(fe, 0);
|
|
dprintk("DEMOD LOCK FAIL\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int stv0900_stop_ts(struct dvb_frontend *fe, int stop_ts)
|
|
{
|
|
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
struct stv0900_internal *intp = state->internal;
|
|
enum fe_stv0900_demod_num demod = state->demod;
|
|
|
|
if (stop_ts == TRUE)
|
|
stv0900_write_bits(intp, RST_HWARE, 1);
|
|
else
|
|
stv0900_write_bits(intp, RST_HWARE, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int stv0900_diseqc_init(struct dvb_frontend *fe)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
struct stv0900_internal *intp = state->internal;
|
|
enum fe_stv0900_demod_num demod = state->demod;
|
|
|
|
stv0900_write_bits(intp, DISTX_MODE, state->config->diseqc_mode);
|
|
stv0900_write_bits(intp, DISEQC_RESET, 1);
|
|
stv0900_write_bits(intp, DISEQC_RESET, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int stv0900_init(struct dvb_frontend *fe)
|
|
{
|
|
dprintk("%s\n", __func__);
|
|
|
|
stv0900_stop_ts(fe, 1);
|
|
stv0900_diseqc_init(fe);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int stv0900_diseqc_send(struct stv0900_internal *intp , u8 *data,
|
|
u32 NbData, enum fe_stv0900_demod_num demod)
|
|
{
|
|
s32 i = 0;
|
|
|
|
stv0900_write_bits(intp, DIS_PRECHARGE, 1);
|
|
while (i < NbData) {
|
|
while (stv0900_get_bits(intp, FIFO_FULL))
|
|
;/* checkpatch complains */
|
|
stv0900_write_reg(intp, DISTXDATA, data[i]);
|
|
i++;
|
|
}
|
|
|
|
stv0900_write_bits(intp, DIS_PRECHARGE, 0);
|
|
i = 0;
|
|
while ((stv0900_get_bits(intp, TX_IDLE) != 1) && (i < 10)) {
|
|
msleep(10);
|
|
i++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int stv0900_send_master_cmd(struct dvb_frontend *fe,
|
|
struct dvb_diseqc_master_cmd *cmd)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
|
|
return stv0900_diseqc_send(state->internal,
|
|
cmd->msg,
|
|
cmd->msg_len,
|
|
state->demod);
|
|
}
|
|
|
|
static int stv0900_send_burst(struct dvb_frontend *fe,
|
|
enum fe_sec_mini_cmd burst)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
struct stv0900_internal *intp = state->internal;
|
|
enum fe_stv0900_demod_num demod = state->demod;
|
|
u8 data;
|
|
|
|
|
|
switch (burst) {
|
|
case SEC_MINI_A:
|
|
stv0900_write_bits(intp, DISTX_MODE, 3);/* Unmodulated */
|
|
data = 0x00;
|
|
stv0900_diseqc_send(intp, &data, 1, state->demod);
|
|
break;
|
|
case SEC_MINI_B:
|
|
stv0900_write_bits(intp, DISTX_MODE, 2);/* Modulated */
|
|
data = 0xff;
|
|
stv0900_diseqc_send(intp, &data, 1, state->demod);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int stv0900_recv_slave_reply(struct dvb_frontend *fe,
|
|
struct dvb_diseqc_slave_reply *reply)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
struct stv0900_internal *intp = state->internal;
|
|
enum fe_stv0900_demod_num demod = state->demod;
|
|
s32 i = 0;
|
|
|
|
reply->msg_len = 0;
|
|
|
|
while ((stv0900_get_bits(intp, RX_END) != 1) && (i < 10)) {
|
|
msleep(10);
|
|
i++;
|
|
}
|
|
|
|
if (stv0900_get_bits(intp, RX_END)) {
|
|
reply->msg_len = stv0900_get_bits(intp, FIFO_BYTENBR);
|
|
|
|
for (i = 0; i < reply->msg_len; i++)
|
|
reply->msg[i] = stv0900_read_reg(intp, DISRXDATA);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int stv0900_set_tone(struct dvb_frontend *fe,
|
|
enum fe_sec_tone_mode toneoff)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
struct stv0900_internal *intp = state->internal;
|
|
enum fe_stv0900_demod_num demod = state->demod;
|
|
|
|
dprintk("%s: %s\n", __func__, ((toneoff == 0) ? "On" : "Off"));
|
|
|
|
switch (toneoff) {
|
|
case SEC_TONE_ON:
|
|
/*Set the DiseqC mode to 22Khz _continues_ tone*/
|
|
stv0900_write_bits(intp, DISTX_MODE, 0);
|
|
stv0900_write_bits(intp, DISEQC_RESET, 1);
|
|
/*release DiseqC reset to enable the 22KHz tone*/
|
|
stv0900_write_bits(intp, DISEQC_RESET, 0);
|
|
break;
|
|
case SEC_TONE_OFF:
|
|
/*return diseqc mode to config->diseqc_mode.
|
|
Usually it's without _continues_ tone */
|
|
stv0900_write_bits(intp, DISTX_MODE,
|
|
state->config->diseqc_mode);
|
|
/*maintain the DiseqC reset to disable the 22KHz tone*/
|
|
stv0900_write_bits(intp, DISEQC_RESET, 1);
|
|
stv0900_write_bits(intp, DISEQC_RESET, 0);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void stv0900_release(struct dvb_frontend *fe)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
|
|
dprintk("%s\n", __func__);
|
|
|
|
if (state->config->set_lock_led)
|
|
state->config->set_lock_led(fe, 0);
|
|
|
|
if ((--(state->internal->dmds_used)) <= 0) {
|
|
|
|
dprintk("%s: Actually removing\n", __func__);
|
|
|
|
remove_inode(state->internal);
|
|
kfree(state->internal);
|
|
}
|
|
|
|
kfree(state);
|
|
}
|
|
|
|
static int stv0900_sleep(struct dvb_frontend *fe)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
|
|
dprintk("%s\n", __func__);
|
|
|
|
if (state->config->set_lock_led)
|
|
state->config->set_lock_led(fe, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int stv0900_get_frontend(struct dvb_frontend *fe,
|
|
struct dtv_frontend_properties *p)
|
|
{
|
|
struct stv0900_state *state = fe->demodulator_priv;
|
|
struct stv0900_internal *intp = state->internal;
|
|
enum fe_stv0900_demod_num demod = state->demod;
|
|
struct stv0900_signal_info p_result = intp->result[demod];
|
|
|
|
p->frequency = p_result.locked ? p_result.frequency : 0;
|
|
p->symbol_rate = p_result.locked ? p_result.symbol_rate : 0;
|
|
return 0;
|
|
}
|
|
|
|
static const struct dvb_frontend_ops stv0900_ops = {
|
|
.delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
|
|
.info = {
|
|
.name = "STV0900 frontend",
|
|
.frequency_min = 950000,
|
|
.frequency_max = 2150000,
|
|
.frequency_stepsize = 125,
|
|
.frequency_tolerance = 0,
|
|
.symbol_rate_min = 1000000,
|
|
.symbol_rate_max = 45000000,
|
|
.symbol_rate_tolerance = 500,
|
|
.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
|
|
FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 |
|
|
FE_CAN_FEC_7_8 | FE_CAN_QPSK |
|
|
FE_CAN_2G_MODULATION |
|
|
FE_CAN_FEC_AUTO
|
|
},
|
|
.release = stv0900_release,
|
|
.init = stv0900_init,
|
|
.get_frontend = stv0900_get_frontend,
|
|
.sleep = stv0900_sleep,
|
|
.get_frontend_algo = stv0900_frontend_algo,
|
|
.i2c_gate_ctrl = stv0900_i2c_gate_ctrl,
|
|
.diseqc_send_master_cmd = stv0900_send_master_cmd,
|
|
.diseqc_send_burst = stv0900_send_burst,
|
|
.diseqc_recv_slave_reply = stv0900_recv_slave_reply,
|
|
.set_tone = stv0900_set_tone,
|
|
.search = stv0900_search,
|
|
.read_status = stv0900_read_status,
|
|
.read_ber = stv0900_read_ber,
|
|
.read_signal_strength = stv0900_read_signal_strength,
|
|
.read_snr = stv0900_read_snr,
|
|
.read_ucblocks = stv0900_read_ucblocks,
|
|
};
|
|
|
|
struct dvb_frontend *stv0900_attach(const struct stv0900_config *config,
|
|
struct i2c_adapter *i2c,
|
|
int demod)
|
|
{
|
|
struct stv0900_state *state = NULL;
|
|
struct stv0900_init_params init_params;
|
|
enum fe_stv0900_error err_stv0900;
|
|
|
|
state = kzalloc(sizeof(struct stv0900_state), GFP_KERNEL);
|
|
if (state == NULL)
|
|
goto error;
|
|
|
|
state->demod = demod;
|
|
state->config = config;
|
|
state->i2c_adap = i2c;
|
|
|
|
memcpy(&state->frontend.ops, &stv0900_ops,
|
|
sizeof(struct dvb_frontend_ops));
|
|
state->frontend.demodulator_priv = state;
|
|
|
|
switch (demod) {
|
|
case 0:
|
|
case 1:
|
|
init_params.dmd_ref_clk = config->xtal;
|
|
init_params.demod_mode = config->demod_mode;
|
|
init_params.rolloff = STV0900_35;
|
|
init_params.path1_ts_clock = config->path1_mode;
|
|
init_params.tun1_maddress = config->tun1_maddress;
|
|
init_params.tun1_iq_inv = STV0900_IQ_NORMAL;
|
|
init_params.tuner1_adc = config->tun1_adc;
|
|
init_params.tuner1_type = config->tun1_type;
|
|
init_params.path2_ts_clock = config->path2_mode;
|
|
init_params.ts_config = config->ts_config_regs;
|
|
init_params.tun2_maddress = config->tun2_maddress;
|
|
init_params.tuner2_adc = config->tun2_adc;
|
|
init_params.tuner2_type = config->tun2_type;
|
|
init_params.tun2_iq_inv = STV0900_IQ_SWAPPED;
|
|
|
|
err_stv0900 = stv0900_init_internal(&state->frontend,
|
|
&init_params);
|
|
|
|
if (err_stv0900)
|
|
goto error;
|
|
|
|
if (state->internal->chip_id >= 0x30)
|
|
state->frontend.ops.info.caps |= FE_CAN_MULTISTREAM;
|
|
|
|
break;
|
|
default:
|
|
goto error;
|
|
break;
|
|
}
|
|
|
|
dprintk("%s: Attaching STV0900 demodulator(%d) \n", __func__, demod);
|
|
return &state->frontend;
|
|
|
|
error:
|
|
dprintk("%s: Failed to attach STV0900 demodulator(%d) \n",
|
|
__func__, demod);
|
|
kfree(state);
|
|
return NULL;
|
|
}
|
|
EXPORT_SYMBOL(stv0900_attach);
|
|
|
|
MODULE_PARM_DESC(debug, "Set debug");
|
|
|
|
MODULE_AUTHOR("Igor M. Liplianin");
|
|
MODULE_DESCRIPTION("ST STV0900 frontend");
|
|
MODULE_LICENSE("GPL");
|