| /* |
| * cxd2841er.c |
| * |
| * Sony CXD2441ER digital demodulator driver |
| * |
| * Copyright 2012 Sony Corporation |
| * Copyright (C) 2014 NetUP Inc. |
| * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru> |
| * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/string.h> |
| #include <linux/slab.h> |
| #include <linux/bitops.h> |
| #include <linux/math64.h> |
| #include <linux/log2.h> |
| #include <linux/dynamic_debug.h> |
| |
| #include "dvb_math.h" |
| #include "dvb_frontend.h" |
| #include "cxd2841er.h" |
| #include "cxd2841er_priv.h" |
| |
| #define MAX_WRITE_REGSIZE 16 |
| |
| enum cxd2841er_state { |
| STATE_SHUTDOWN = 0, |
| STATE_SLEEP_S, |
| STATE_ACTIVE_S, |
| STATE_SLEEP_TC, |
| STATE_ACTIVE_TC |
| }; |
| |
| struct cxd2841er_priv { |
| struct dvb_frontend frontend; |
| struct i2c_adapter *i2c; |
| u8 i2c_addr_slvx; |
| u8 i2c_addr_slvt; |
| const struct cxd2841er_config *config; |
| enum cxd2841er_state state; |
| u8 system; |
| }; |
| |
| static const struct cxd2841er_cnr_data s_cn_data[] = { |
| { 0x033e, 0 }, { 0x0339, 100 }, { 0x0333, 200 }, |
| { 0x032e, 300 }, { 0x0329, 400 }, { 0x0324, 500 }, |
| { 0x031e, 600 }, { 0x0319, 700 }, { 0x0314, 800 }, |
| { 0x030f, 900 }, { 0x030a, 1000 }, { 0x02ff, 1100 }, |
| { 0x02f4, 1200 }, { 0x02e9, 1300 }, { 0x02de, 1400 }, |
| { 0x02d4, 1500 }, { 0x02c9, 1600 }, { 0x02bf, 1700 }, |
| { 0x02b5, 1800 }, { 0x02ab, 1900 }, { 0x02a1, 2000 }, |
| { 0x029b, 2100 }, { 0x0295, 2200 }, { 0x0290, 2300 }, |
| { 0x028a, 2400 }, { 0x0284, 2500 }, { 0x027f, 2600 }, |
| { 0x0279, 2700 }, { 0x0274, 2800 }, { 0x026e, 2900 }, |
| { 0x0269, 3000 }, { 0x0262, 3100 }, { 0x025c, 3200 }, |
| { 0x0255, 3300 }, { 0x024f, 3400 }, { 0x0249, 3500 }, |
| { 0x0242, 3600 }, { 0x023c, 3700 }, { 0x0236, 3800 }, |
| { 0x0230, 3900 }, { 0x022a, 4000 }, { 0x0223, 4100 }, |
| { 0x021c, 4200 }, { 0x0215, 4300 }, { 0x020e, 4400 }, |
| { 0x0207, 4500 }, { 0x0201, 4600 }, { 0x01fa, 4700 }, |
| { 0x01f4, 4800 }, { 0x01ed, 4900 }, { 0x01e7, 5000 }, |
| { 0x01e0, 5100 }, { 0x01d9, 5200 }, { 0x01d2, 5300 }, |
| { 0x01cb, 5400 }, { 0x01c4, 5500 }, { 0x01be, 5600 }, |
| { 0x01b7, 5700 }, { 0x01b1, 5800 }, { 0x01aa, 5900 }, |
| { 0x01a4, 6000 }, { 0x019d, 6100 }, { 0x0196, 6200 }, |
| { 0x018f, 6300 }, { 0x0189, 6400 }, { 0x0182, 6500 }, |
| { 0x017c, 6600 }, { 0x0175, 6700 }, { 0x016f, 6800 }, |
| { 0x0169, 6900 }, { 0x0163, 7000 }, { 0x015c, 7100 }, |
| { 0x0156, 7200 }, { 0x0150, 7300 }, { 0x014a, 7400 }, |
| { 0x0144, 7500 }, { 0x013e, 7600 }, { 0x0138, 7700 }, |
| { 0x0132, 7800 }, { 0x012d, 7900 }, { 0x0127, 8000 }, |
| { 0x0121, 8100 }, { 0x011c, 8200 }, { 0x0116, 8300 }, |
| { 0x0111, 8400 }, { 0x010b, 8500 }, { 0x0106, 8600 }, |
| { 0x0101, 8700 }, { 0x00fc, 8800 }, { 0x00f7, 8900 }, |
| { 0x00f2, 9000 }, { 0x00ee, 9100 }, { 0x00ea, 9200 }, |
| { 0x00e6, 9300 }, { 0x00e2, 9400 }, { 0x00de, 9500 }, |
| { 0x00da, 9600 }, { 0x00d7, 9700 }, { 0x00d3, 9800 }, |
| { 0x00d0, 9900 }, { 0x00cc, 10000 }, { 0x00c7, 10100 }, |
| { 0x00c3, 10200 }, { 0x00bf, 10300 }, { 0x00ba, 10400 }, |
| { 0x00b6, 10500 }, { 0x00b2, 10600 }, { 0x00ae, 10700 }, |
| { 0x00aa, 10800 }, { 0x00a7, 10900 }, { 0x00a3, 11000 }, |
| { 0x009f, 11100 }, { 0x009c, 11200 }, { 0x0098, 11300 }, |
| { 0x0094, 11400 }, { 0x0091, 11500 }, { 0x008e, 11600 }, |
| { 0x008a, 11700 }, { 0x0087, 11800 }, { 0x0084, 11900 }, |
| { 0x0081, 12000 }, { 0x007e, 12100 }, { 0x007b, 12200 }, |
| { 0x0079, 12300 }, { 0x0076, 12400 }, { 0x0073, 12500 }, |
| { 0x0071, 12600 }, { 0x006e, 12700 }, { 0x006c, 12800 }, |
| { 0x0069, 12900 }, { 0x0067, 13000 }, { 0x0065, 13100 }, |
| { 0x0062, 13200 }, { 0x0060, 13300 }, { 0x005e, 13400 }, |
| { 0x005c, 13500 }, { 0x005a, 13600 }, { 0x0058, 13700 }, |
| { 0x0056, 13800 }, { 0x0054, 13900 }, { 0x0052, 14000 }, |
| { 0x0050, 14100 }, { 0x004e, 14200 }, { 0x004c, 14300 }, |
| { 0x004b, 14400 }, { 0x0049, 14500 }, { 0x0047, 14600 }, |
| { 0x0046, 14700 }, { 0x0044, 14800 }, { 0x0043, 14900 }, |
| { 0x0041, 15000 }, { 0x003f, 15100 }, { 0x003e, 15200 }, |
| { 0x003c, 15300 }, { 0x003b, 15400 }, { 0x003a, 15500 }, |
| { 0x0037, 15700 }, { 0x0036, 15800 }, { 0x0034, 15900 }, |
| { 0x0033, 16000 }, { 0x0032, 16100 }, { 0x0031, 16200 }, |
| { 0x0030, 16300 }, { 0x002f, 16400 }, { 0x002e, 16500 }, |
| { 0x002d, 16600 }, { 0x002c, 16700 }, { 0x002b, 16800 }, |
| { 0x002a, 16900 }, { 0x0029, 17000 }, { 0x0028, 17100 }, |
| { 0x0027, 17200 }, { 0x0026, 17300 }, { 0x0025, 17400 }, |
| { 0x0024, 17500 }, { 0x0023, 17600 }, { 0x0022, 17800 }, |
| { 0x0021, 17900 }, { 0x0020, 18000 }, { 0x001f, 18200 }, |
| { 0x001e, 18300 }, { 0x001d, 18500 }, { 0x001c, 18700 }, |
| { 0x001b, 18900 }, { 0x001a, 19000 }, { 0x0019, 19200 }, |
| { 0x0018, 19300 }, { 0x0017, 19500 }, { 0x0016, 19700 }, |
| { 0x0015, 19900 }, { 0x0014, 20000 }, |
| }; |
| |
| static const struct cxd2841er_cnr_data s2_cn_data[] = { |
| { 0x05af, 0 }, { 0x0597, 100 }, { 0x057e, 200 }, |
| { 0x0567, 300 }, { 0x0550, 400 }, { 0x0539, 500 }, |
| { 0x0522, 600 }, { 0x050c, 700 }, { 0x04f6, 800 }, |
| { 0x04e1, 900 }, { 0x04cc, 1000 }, { 0x04b6, 1100 }, |
| { 0x04a1, 1200 }, { 0x048c, 1300 }, { 0x0477, 1400 }, |
| { 0x0463, 1500 }, { 0x044f, 1600 }, { 0x043c, 1700 }, |
| { 0x0428, 1800 }, { 0x0416, 1900 }, { 0x0403, 2000 }, |
| { 0x03ef, 2100 }, { 0x03dc, 2200 }, { 0x03c9, 2300 }, |
| { 0x03b6, 2400 }, { 0x03a4, 2500 }, { 0x0392, 2600 }, |
| { 0x0381, 2700 }, { 0x036f, 2800 }, { 0x035f, 2900 }, |
| { 0x034e, 3000 }, { 0x033d, 3100 }, { 0x032d, 3200 }, |
| { 0x031d, 3300 }, { 0x030d, 3400 }, { 0x02fd, 3500 }, |
| { 0x02ee, 3600 }, { 0x02df, 3700 }, { 0x02d0, 3800 }, |
| { 0x02c2, 3900 }, { 0x02b4, 4000 }, { 0x02a6, 4100 }, |
| { 0x0299, 4200 }, { 0x028c, 4300 }, { 0x027f, 4400 }, |
| { 0x0272, 4500 }, { 0x0265, 4600 }, { 0x0259, 4700 }, |
| { 0x024d, 4800 }, { 0x0241, 4900 }, { 0x0236, 5000 }, |
| { 0x022b, 5100 }, { 0x0220, 5200 }, { 0x0215, 5300 }, |
| { 0x020a, 5400 }, { 0x0200, 5500 }, { 0x01f6, 5600 }, |
| { 0x01ec, 5700 }, { 0x01e2, 5800 }, { 0x01d8, 5900 }, |
| { 0x01cf, 6000 }, { 0x01c6, 6100 }, { 0x01bc, 6200 }, |
| { 0x01b3, 6300 }, { 0x01aa, 6400 }, { 0x01a2, 6500 }, |
| { 0x0199, 6600 }, { 0x0191, 6700 }, { 0x0189, 6800 }, |
| { 0x0181, 6900 }, { 0x0179, 7000 }, { 0x0171, 7100 }, |
| { 0x0169, 7200 }, { 0x0161, 7300 }, { 0x015a, 7400 }, |
| { 0x0153, 7500 }, { 0x014b, 7600 }, { 0x0144, 7700 }, |
| { 0x013d, 7800 }, { 0x0137, 7900 }, { 0x0130, 8000 }, |
| { 0x012a, 8100 }, { 0x0124, 8200 }, { 0x011e, 8300 }, |
| { 0x0118, 8400 }, { 0x0112, 8500 }, { 0x010c, 8600 }, |
| { 0x0107, 8700 }, { 0x0101, 8800 }, { 0x00fc, 8900 }, |
| { 0x00f7, 9000 }, { 0x00f2, 9100 }, { 0x00ec, 9200 }, |
| { 0x00e7, 9300 }, { 0x00e2, 9400 }, { 0x00dd, 9500 }, |
| { 0x00d8, 9600 }, { 0x00d4, 9700 }, { 0x00cf, 9800 }, |
| { 0x00ca, 9900 }, { 0x00c6, 10000 }, { 0x00c2, 10100 }, |
| { 0x00be, 10200 }, { 0x00b9, 10300 }, { 0x00b5, 10400 }, |
| { 0x00b1, 10500 }, { 0x00ae, 10600 }, { 0x00aa, 10700 }, |
| { 0x00a6, 10800 }, { 0x00a3, 10900 }, { 0x009f, 11000 }, |
| { 0x009b, 11100 }, { 0x0098, 11200 }, { 0x0095, 11300 }, |
| { 0x0091, 11400 }, { 0x008e, 11500 }, { 0x008b, 11600 }, |
| { 0x0088, 11700 }, { 0x0085, 11800 }, { 0x0082, 11900 }, |
| { 0x007f, 12000 }, { 0x007c, 12100 }, { 0x007a, 12200 }, |
| { 0x0077, 12300 }, { 0x0074, 12400 }, { 0x0072, 12500 }, |
| { 0x006f, 12600 }, { 0x006d, 12700 }, { 0x006b, 12800 }, |
| { 0x0068, 12900 }, { 0x0066, 13000 }, { 0x0064, 13100 }, |
| { 0x0061, 13200 }, { 0x005f, 13300 }, { 0x005d, 13400 }, |
| { 0x005b, 13500 }, { 0x0059, 13600 }, { 0x0057, 13700 }, |
| { 0x0055, 13800 }, { 0x0053, 13900 }, { 0x0051, 14000 }, |
| { 0x004f, 14100 }, { 0x004e, 14200 }, { 0x004c, 14300 }, |
| { 0x004a, 14400 }, { 0x0049, 14500 }, { 0x0047, 14600 }, |
| { 0x0045, 14700 }, { 0x0044, 14800 }, { 0x0042, 14900 }, |
| { 0x0041, 15000 }, { 0x003f, 15100 }, { 0x003e, 15200 }, |
| { 0x003c, 15300 }, { 0x003b, 15400 }, { 0x003a, 15500 }, |
| { 0x0038, 15600 }, { 0x0037, 15700 }, { 0x0036, 15800 }, |
| { 0x0034, 15900 }, { 0x0033, 16000 }, { 0x0032, 16100 }, |
| { 0x0031, 16200 }, { 0x0030, 16300 }, { 0x002f, 16400 }, |
| { 0x002e, 16500 }, { 0x002d, 16600 }, { 0x002c, 16700 }, |
| { 0x002b, 16800 }, { 0x002a, 16900 }, { 0x0029, 17000 }, |
| { 0x0028, 17100 }, { 0x0027, 17200 }, { 0x0026, 17300 }, |
| { 0x0025, 17400 }, { 0x0024, 17500 }, { 0x0023, 17600 }, |
| { 0x0022, 17800 }, { 0x0021, 17900 }, { 0x0020, 18000 }, |
| { 0x001f, 18200 }, { 0x001e, 18300 }, { 0x001d, 18500 }, |
| { 0x001c, 18700 }, { 0x001b, 18900 }, { 0x001a, 19000 }, |
| { 0x0019, 19200 }, { 0x0018, 19300 }, { 0x0017, 19500 }, |
| { 0x0016, 19700 }, { 0x0015, 19900 }, { 0x0014, 20000 }, |
| }; |
| |
| #define MAKE_IFFREQ_CONFIG(iffreq) ((u32)(((iffreq)/41.0)*16777216.0 + 0.5)) |
| |
| static void cxd2841er_i2c_debug(struct cxd2841er_priv *priv, |
| u8 addr, u8 reg, u8 write, |
| const u8 *data, u32 len) |
| { |
| dev_dbg(&priv->i2c->dev, |
| "cxd2841er: I2C %s addr %02x reg 0x%02x size %d\n", |
| (write == 0 ? "read" : "write"), addr, reg, len); |
| print_hex_dump_bytes("cxd2841er: I2C data: ", |
| DUMP_PREFIX_OFFSET, data, len); |
| } |
| |
| static int cxd2841er_write_regs(struct cxd2841er_priv *priv, |
| u8 addr, u8 reg, const u8 *data, u32 len) |
| { |
| int ret; |
| u8 buf[MAX_WRITE_REGSIZE + 1]; |
| u8 i2c_addr = (addr == I2C_SLVX ? |
| priv->i2c_addr_slvx : priv->i2c_addr_slvt); |
| struct i2c_msg msg[1] = { |
| { |
| .addr = i2c_addr, |
| .flags = 0, |
| .len = len + 1, |
| .buf = buf, |
| } |
| }; |
| |
| if (len + 1 >= sizeof(buf)) { |
| dev_warn(&priv->i2c->dev,"wr reg=%04x: len=%d is too big!\n", |
| reg, len + 1); |
| return -E2BIG; |
| } |
| |
| cxd2841er_i2c_debug(priv, i2c_addr, reg, 1, data, len); |
| buf[0] = reg; |
| memcpy(&buf[1], data, len); |
| |
| ret = i2c_transfer(priv->i2c, msg, 1); |
| if (ret >= 0 && ret != 1) |
| ret = -EIO; |
| if (ret < 0) { |
| dev_warn(&priv->i2c->dev, |
| "%s: i2c wr failed=%d addr=%02x reg=%02x len=%d\n", |
| KBUILD_MODNAME, ret, i2c_addr, reg, len); |
| return ret; |
| } |
| return 0; |
| } |
| |
| static int cxd2841er_write_reg(struct cxd2841er_priv *priv, |
| u8 addr, u8 reg, u8 val) |
| { |
| return cxd2841er_write_regs(priv, addr, reg, &val, 1); |
| } |
| |
| static int cxd2841er_read_regs(struct cxd2841er_priv *priv, |
| u8 addr, u8 reg, u8 *val, u32 len) |
| { |
| int ret; |
| u8 i2c_addr = (addr == I2C_SLVX ? |
| priv->i2c_addr_slvx : priv->i2c_addr_slvt); |
| struct i2c_msg msg[2] = { |
| { |
| .addr = i2c_addr, |
| .flags = 0, |
| .len = 1, |
| .buf = ®, |
| }, { |
| .addr = i2c_addr, |
| .flags = I2C_M_RD, |
| .len = len, |
| .buf = val, |
| } |
| }; |
| |
| ret = i2c_transfer(priv->i2c, &msg[0], 1); |
| if (ret >= 0 && ret != 1) |
| ret = -EIO; |
| if (ret < 0) { |
| dev_warn(&priv->i2c->dev, |
| "%s: i2c rw failed=%d addr=%02x reg=%02x\n", |
| KBUILD_MODNAME, ret, i2c_addr, reg); |
| return ret; |
| } |
| ret = i2c_transfer(priv->i2c, &msg[1], 1); |
| if (ret >= 0 && ret != 1) |
| ret = -EIO; |
| if (ret < 0) { |
| dev_warn(&priv->i2c->dev, |
| "%s: i2c rd failed=%d addr=%02x reg=%02x\n", |
| KBUILD_MODNAME, ret, i2c_addr, reg); |
| return ret; |
| } |
| return 0; |
| } |
| |
| static int cxd2841er_read_reg(struct cxd2841er_priv *priv, |
| u8 addr, u8 reg, u8 *val) |
| { |
| return cxd2841er_read_regs(priv, addr, reg, val, 1); |
| } |
| |
| static int cxd2841er_set_reg_bits(struct cxd2841er_priv *priv, |
| u8 addr, u8 reg, u8 data, u8 mask) |
| { |
| int res; |
| u8 rdata; |
| |
| if (mask != 0xff) { |
| res = cxd2841er_read_reg(priv, addr, reg, &rdata); |
| if (res) |
| return res; |
| data = ((data & mask) | (rdata & (mask ^ 0xFF))); |
| } |
| return cxd2841er_write_reg(priv, addr, reg, data); |
| } |
| |
| static int cxd2841er_dvbs2_set_symbol_rate(struct cxd2841er_priv *priv, |
| u32 symbol_rate) |
| { |
| u32 reg_value = 0; |
| u8 data[3] = {0, 0, 0}; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| /* |
| * regValue = (symbolRateKSps * 2^14 / 1000) + 0.5 |
| * = ((symbolRateKSps * 2^14) + 500) / 1000 |
| * = ((symbolRateKSps * 16384) + 500) / 1000 |
| */ |
| reg_value = DIV_ROUND_CLOSEST(symbol_rate * 16384, 1000); |
| if ((reg_value == 0) || (reg_value > 0xFFFFF)) { |
| dev_err(&priv->i2c->dev, |
| "%s(): reg_value is out of range\n", __func__); |
| return -EINVAL; |
| } |
| data[0] = (u8)((reg_value >> 16) & 0x0F); |
| data[1] = (u8)((reg_value >> 8) & 0xFF); |
| data[2] = (u8)(reg_value & 0xFF); |
| /* Set SLV-T Bank : 0xAE */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae); |
| cxd2841er_write_regs(priv, I2C_SLVT, 0x20, data, 3); |
| return 0; |
| } |
| |
| static void cxd2841er_set_ts_clock_mode(struct cxd2841er_priv *priv, |
| u8 system); |
| |
| static int cxd2841er_sleep_s_to_active_s(struct cxd2841er_priv *priv, |
| u8 system, u32 symbol_rate) |
| { |
| int ret; |
| u8 data[4] = { 0, 0, 0, 0 }; |
| |
| if (priv->state != STATE_SLEEP_S) { |
| dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, (int)priv->state); |
| return -EINVAL; |
| } |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| cxd2841er_set_ts_clock_mode(priv, SYS_DVBS); |
| /* Set demod mode */ |
| if (system == SYS_DVBS) { |
| data[0] = 0x0A; |
| } else if (system == SYS_DVBS2) { |
| data[0] = 0x0B; |
| } else { |
| dev_err(&priv->i2c->dev, "%s(): invalid delsys %d\n", |
| __func__, system); |
| return -EINVAL; |
| } |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x17, data[0]); |
| /* DVB-S/S2 */ |
| data[0] = 0x00; |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* Enable S/S2 auto detection 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2d, data[0]); |
| /* Set SLV-T Bank : 0xAE */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae); |
| /* Enable S/S2 auto detection 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x30, data[0]); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* Enable demod clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); |
| /* Enable ADC clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x31, 0x01); |
| /* Enable ADC 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16); |
| /* Enable ADC 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x3f); |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* Enable ADC 3 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); |
| /* Set SLV-T Bank : 0xA3 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa3); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0xac, 0x00); |
| data[0] = 0x07; |
| data[1] = 0x3B; |
| data[2] = 0x08; |
| data[3] = 0xC5; |
| /* Set SLV-T Bank : 0xAB */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xab); |
| cxd2841er_write_regs(priv, I2C_SLVT, 0x98, data, 4); |
| data[0] = 0x05; |
| data[1] = 0x80; |
| data[2] = 0x0A; |
| data[3] = 0x80; |
| cxd2841er_write_regs(priv, I2C_SLVT, 0xa8, data, 4); |
| data[0] = 0x0C; |
| data[1] = 0xCC; |
| cxd2841er_write_regs(priv, I2C_SLVT, 0xc3, data, 2); |
| /* Set demod parameter */ |
| ret = cxd2841er_dvbs2_set_symbol_rate(priv, symbol_rate); |
| if (ret != 0) |
| return ret; |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* disable Hi-Z setting 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x10); |
| /* disable Hi-Z setting 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); |
| priv->state = STATE_ACTIVE_S; |
| return 0; |
| } |
| |
| static int cxd2841er_sleep_tc_to_active_t_band(struct cxd2841er_priv *priv, |
| u32 bandwidth); |
| |
| static int cxd2841er_sleep_tc_to_active_t2_band(struct cxd2841er_priv *priv, |
| u32 bandwidth); |
| |
| static int cxd2841er_sleep_tc_to_active_c_band(struct cxd2841er_priv *priv, |
| u32 bandwidth); |
| |
| static int cxd2841er_retune_active(struct cxd2841er_priv *priv, |
| struct dtv_frontend_properties *p) |
| { |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_ACTIVE_S && |
| priv->state != STATE_ACTIVE_TC) { |
| dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* disable TS output */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); |
| if (priv->state == STATE_ACTIVE_S) |
| return cxd2841er_dvbs2_set_symbol_rate( |
| priv, p->symbol_rate / 1000); |
| else if (priv->state == STATE_ACTIVE_TC) { |
| switch (priv->system) { |
| case SYS_DVBT: |
| return cxd2841er_sleep_tc_to_active_t_band( |
| priv, p->bandwidth_hz); |
| case SYS_DVBT2: |
| return cxd2841er_sleep_tc_to_active_t2_band( |
| priv, p->bandwidth_hz); |
| case SYS_DVBC_ANNEX_A: |
| return cxd2841er_sleep_tc_to_active_c_band( |
| priv, 8000000); |
| } |
| } |
| dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", |
| __func__, priv->system); |
| return -EINVAL; |
| } |
| |
| static int cxd2841er_active_s_to_sleep_s(struct cxd2841er_priv *priv) |
| { |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_ACTIVE_S) { |
| dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* disable TS output */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); |
| /* enable Hi-Z setting 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x1f); |
| /* enable Hi-Z setting 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* disable ADC 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* disable ADC clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x31, 0x00); |
| /* disable ADC 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16); |
| /* disable ADC 3 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27); |
| /* SADC Bias ON */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06); |
| /* disable demod clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); |
| /* Set SLV-T Bank : 0xAE */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae); |
| /* disable S/S2 auto detection1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* disable S/S2 auto detection2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2d, 0x00); |
| priv->state = STATE_SLEEP_S; |
| return 0; |
| } |
| |
| static int cxd2841er_sleep_s_to_shutdown(struct cxd2841er_priv *priv) |
| { |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_SLEEP_S) { |
| dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* Disable DSQOUT */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); |
| /* Disable DSQIN */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x9c, 0x00); |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* Disable oscillator */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x15, 0x01); |
| /* Set demod mode */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01); |
| priv->state = STATE_SHUTDOWN; |
| return 0; |
| } |
| |
| static int cxd2841er_sleep_tc_to_shutdown(struct cxd2841er_priv *priv) |
| { |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_SLEEP_TC) { |
| dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* Disable oscillator */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x15, 0x01); |
| /* Set demod mode */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01); |
| priv->state = STATE_SHUTDOWN; |
| return 0; |
| } |
| |
| static int cxd2841er_active_t_to_sleep_tc(struct cxd2841er_priv *priv) |
| { |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_ACTIVE_TC) { |
| dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* disable TS output */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); |
| /* enable Hi-Z setting 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); |
| /* enable Hi-Z setting 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* disable ADC 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* Disable ADC 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); |
| /* Disable ADC 3 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); |
| /* Disable ADC clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); |
| /* Disable RF level monitor */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); |
| /* Disable demod clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); |
| priv->state = STATE_SLEEP_TC; |
| return 0; |
| } |
| |
| static int cxd2841er_active_t2_to_sleep_tc(struct cxd2841er_priv *priv) |
| { |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_ACTIVE_TC) { |
| dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* disable TS output */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); |
| /* enable Hi-Z setting 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); |
| /* enable Hi-Z setting 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); |
| /* Cancel DVB-T2 setting */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x83, 0x40); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x86, 0x21); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x9e, 0x09, 0x0f); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x9f, 0xfb); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2a); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x38, 0x00, 0x0f); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x11, 0x00, 0x3f); |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* disable ADC 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* Disable ADC 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); |
| /* Disable ADC 3 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); |
| /* Disable ADC clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); |
| /* Disable RF level monitor */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); |
| /* Disable demod clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); |
| priv->state = STATE_SLEEP_TC; |
| return 0; |
| } |
| |
| static int cxd2841er_active_c_to_sleep_tc(struct cxd2841er_priv *priv) |
| { |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_ACTIVE_TC) { |
| dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* disable TS output */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01); |
| /* enable Hi-Z setting 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f); |
| /* enable Hi-Z setting 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff); |
| /* Cancel DVB-C setting */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa3, 0x00, 0x1f); |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* disable ADC 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* Disable ADC 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); |
| /* Disable ADC 3 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); |
| /* Disable ADC clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); |
| /* Disable RF level monitor */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); |
| /* Disable demod clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00); |
| priv->state = STATE_SLEEP_TC; |
| return 0; |
| } |
| |
| static int cxd2841er_shutdown_to_sleep_s(struct cxd2841er_priv *priv) |
| { |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_SHUTDOWN) { |
| dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* Clear all demodulator registers */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x02, 0x00); |
| usleep_range(3000, 5000); |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* Set demod SW reset */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x01); |
| /* Set X'tal clock to 20.5Mhz */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x00); |
| /* Set demod mode */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x0a); |
| /* Clear demod SW reset */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x00); |
| usleep_range(1000, 2000); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* enable DSQOUT */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x1F); |
| /* enable DSQIN */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x9C, 0x40); |
| /* TADC Bias On */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); |
| /* SADC Bias On */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06); |
| priv->state = STATE_SLEEP_S; |
| return 0; |
| } |
| |
| static int cxd2841er_shutdown_to_sleep_tc(struct cxd2841er_priv *priv) |
| { |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_SHUTDOWN) { |
| dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* Clear all demodulator registers */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x02, 0x00); |
| usleep_range(3000, 5000); |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* Set demod SW reset */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x01); |
| /* Set X'tal clock to 20.5Mhz */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x13, 0x00); |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x00); |
| /* Clear demod SW reset */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x00); |
| usleep_range(1000, 2000); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* TADC Bias On */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a); |
| /* SADC Bias On */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06); |
| priv->state = STATE_SLEEP_TC; |
| return 0; |
| } |
| |
| static int cxd2841er_tune_done(struct cxd2841er_priv *priv) |
| { |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0, 0); |
| /* SW Reset */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0xfe, 0x01); |
| /* Enable TS output */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x00); |
| return 0; |
| } |
| |
| /* Set TS parallel mode */ |
| static void cxd2841er_set_ts_clock_mode(struct cxd2841er_priv *priv, |
| u8 system) |
| { |
| u8 serial_ts, ts_rate_ctrl_off, ts_in_off; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| cxd2841er_read_reg(priv, I2C_SLVT, 0xc4, &serial_ts); |
| cxd2841er_read_reg(priv, I2C_SLVT, 0xd3, &ts_rate_ctrl_off); |
| cxd2841er_read_reg(priv, I2C_SLVT, 0xde, &ts_in_off); |
| dev_dbg(&priv->i2c->dev, "%s(): ser_ts=0x%02x rate_ctrl_off=0x%02x in_off=0x%02x\n", |
| __func__, serial_ts, ts_rate_ctrl_off, ts_in_off); |
| |
| /* |
| * slave Bank Addr Bit default Name |
| * <SLV-T> 00h D9h [7:0] 8'h08 OTSCKPERIOD |
| */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0xd9, 0x08); |
| /* |
| * Disable TS IF Clock |
| * slave Bank Addr Bit default Name |
| * <SLV-T> 00h 32h [0] 1'b1 OREG_CK_TSIF_EN |
| */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x32, 0x00, 0x01); |
| /* |
| * slave Bank Addr Bit default Name |
| * <SLV-T> 00h 33h [1:0] 2'b01 OREG_CKSEL_TSIF |
| */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x33, 0x00, 0x03); |
| /* |
| * Enable TS IF Clock |
| * slave Bank Addr Bit default Name |
| * <SLV-T> 00h 32h [0] 1'b1 OREG_CK_TSIF_EN |
| */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x32, 0x01, 0x01); |
| |
| if (system == SYS_DVBT) { |
| /* Enable parity period for DVB-T */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x66, 0x01, 0x01); |
| } else if (system == SYS_DVBC_ANNEX_A) { |
| /* Enable parity period for DVB-C */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x66, 0x01, 0x01); |
| } |
| } |
| |
| static u8 cxd2841er_chip_id(struct cxd2841er_priv *priv) |
| { |
| u8 chip_id; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0, 0); |
| cxd2841er_read_reg(priv, I2C_SLVT, 0xfd, &chip_id); |
| return chip_id; |
| } |
| |
| static int cxd2841er_read_status_s(struct dvb_frontend *fe, |
| enum fe_status *status) |
| { |
| u8 reg = 0; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| *status = 0; |
| if (priv->state != STATE_ACTIVE_S) { |
| dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| /* Set SLV-T Bank : 0xA0 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); |
| /* |
| * slave Bank Addr Bit Signal name |
| * <SLV-T> A0h 11h [2] ITSLOCK |
| */ |
| cxd2841er_read_reg(priv, I2C_SLVT, 0x11, ®); |
| if (reg & 0x04) { |
| *status = FE_HAS_SIGNAL |
| | FE_HAS_CARRIER |
| | FE_HAS_VITERBI |
| | FE_HAS_SYNC |
| | FE_HAS_LOCK; |
| } |
| dev_dbg(&priv->i2c->dev, "%s(): result 0x%x\n", __func__, *status); |
| return 0; |
| } |
| |
| static int cxd2841er_read_status_t_t2(struct cxd2841er_priv *priv, |
| u8 *sync, u8 *tslock, u8 *unlock) |
| { |
| u8 data = 0; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_ACTIVE_TC) |
| return -EINVAL; |
| if (priv->system == SYS_DVBT) { |
| /* Set SLV-T Bank : 0x10 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| } else { |
| /* Set SLV-T Bank : 0x20 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); |
| } |
| cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data); |
| if ((data & 0x07) == 0x07) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): invalid hardware state detected\n", __func__); |
| *sync = 0; |
| *tslock = 0; |
| *unlock = 0; |
| } else { |
| *sync = ((data & 0x07) == 0x6 ? 1 : 0); |
| *tslock = ((data & 0x20) ? 1 : 0); |
| *unlock = ((data & 0x10) ? 1 : 0); |
| } |
| return 0; |
| } |
| |
| static int cxd2841er_read_status_c(struct cxd2841er_priv *priv, u8 *tslock) |
| { |
| u8 data; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_ACTIVE_TC) |
| return -EINVAL; |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); |
| cxd2841er_read_reg(priv, I2C_SLVT, 0x88, &data); |
| if ((data & 0x01) == 0) { |
| *tslock = 0; |
| } else { |
| cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data); |
| *tslock = ((data & 0x20) ? 1 : 0); |
| } |
| return 0; |
| } |
| |
| static int cxd2841er_read_status_tc(struct dvb_frontend *fe, |
| enum fe_status *status) |
| { |
| int ret = 0; |
| u8 sync = 0; |
| u8 tslock = 0; |
| u8 unlock = 0; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| *status = 0; |
| if (priv->state == STATE_ACTIVE_TC) { |
| if (priv->system == SYS_DVBT || priv->system == SYS_DVBT2) { |
| ret = cxd2841er_read_status_t_t2( |
| priv, &sync, &tslock, &unlock); |
| if (ret) |
| goto done; |
| if (unlock) |
| goto done; |
| if (sync) |
| *status = FE_HAS_SIGNAL | |
| FE_HAS_CARRIER | |
| FE_HAS_VITERBI | |
| FE_HAS_SYNC; |
| if (tslock) |
| *status |= FE_HAS_LOCK; |
| } else if (priv->system == SYS_DVBC_ANNEX_A) { |
| ret = cxd2841er_read_status_c(priv, &tslock); |
| if (ret) |
| goto done; |
| if (tslock) |
| *status = FE_HAS_SIGNAL | |
| FE_HAS_CARRIER | |
| FE_HAS_VITERBI | |
| FE_HAS_SYNC | |
| FE_HAS_LOCK; |
| } |
| } |
| done: |
| dev_dbg(&priv->i2c->dev, "%s(): status 0x%x\n", __func__, *status); |
| return ret; |
| } |
| |
| static int cxd2841er_get_carrier_offset_s_s2(struct cxd2841er_priv *priv, |
| int *offset) |
| { |
| u8 data[3]; |
| u8 is_hs_mode; |
| s32 cfrl_ctrlval; |
| s32 temp_div, temp_q, temp_r; |
| |
| if (priv->state != STATE_ACTIVE_S) { |
| dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| /* |
| * Get High Sampling Rate mode |
| * slave Bank Addr Bit Signal name |
| * <SLV-T> A0h 10h [0] ITRL_LOCK |
| */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); |
| cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data[0]); |
| if (data[0] & 0x01) { |
| /* |
| * slave Bank Addr Bit Signal name |
| * <SLV-T> A0h 50h [4] IHSMODE |
| */ |
| cxd2841er_read_reg(priv, I2C_SLVT, 0x50, &data[0]); |
| is_hs_mode = (data[0] & 0x10 ? 1 : 0); |
| } else { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): unable to detect sampling rate mode\n", |
| __func__); |
| return -EINVAL; |
| } |
| /* |
| * slave Bank Addr Bit Signal name |
| * <SLV-T> A0h 45h [4:0] ICFRL_CTRLVAL[20:16] |
| * <SLV-T> A0h 46h [7:0] ICFRL_CTRLVAL[15:8] |
| * <SLV-T> A0h 47h [7:0] ICFRL_CTRLVAL[7:0] |
| */ |
| cxd2841er_read_regs(priv, I2C_SLVT, 0x45, data, 3); |
| cfrl_ctrlval = sign_extend32((((u32)data[0] & 0x1F) << 16) | |
| (((u32)data[1] & 0xFF) << 8) | |
| ((u32)data[2] & 0xFF), 20); |
| temp_div = (is_hs_mode ? 1048576 : 1572864); |
| if (cfrl_ctrlval > 0) { |
| temp_q = div_s64_rem(97375LL * cfrl_ctrlval, |
| temp_div, &temp_r); |
| } else { |
| temp_q = div_s64_rem(-97375LL * cfrl_ctrlval, |
| temp_div, &temp_r); |
| } |
| if (temp_r >= temp_div / 2) |
| temp_q++; |
| if (cfrl_ctrlval > 0) |
| temp_q *= -1; |
| *offset = temp_q; |
| return 0; |
| } |
| |
| static int cxd2841er_get_carrier_offset_t2(struct cxd2841er_priv *priv, |
| u32 bandwidth, int *offset) |
| { |
| u8 data[4]; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_ACTIVE_TC) { |
| dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| if (priv->system != SYS_DVBT2) { |
| dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", |
| __func__, priv->system); |
| return -EINVAL; |
| } |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); |
| cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data)); |
| *offset = -1 * sign_extend32( |
| ((u32)(data[0] & 0x0F) << 24) | ((u32)data[1] << 16) | |
| ((u32)data[2] << 8) | (u32)data[3], 27); |
| switch (bandwidth) { |
| case 1712000: |
| *offset /= 582; |
| break; |
| case 5000000: |
| case 6000000: |
| case 7000000: |
| case 8000000: |
| *offset *= (bandwidth / 1000000); |
| *offset /= 940; |
| break; |
| default: |
| dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n", |
| __func__, bandwidth); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int cxd2841er_get_carrier_offset_c(struct cxd2841er_priv *priv, |
| int *offset) |
| { |
| u8 data[2]; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state != STATE_ACTIVE_TC) { |
| dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| if (priv->system != SYS_DVBC_ANNEX_A) { |
| dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n", |
| __func__, priv->system); |
| return -EINVAL; |
| } |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); |
| cxd2841er_read_regs(priv, I2C_SLVT, 0x15, data, sizeof(data)); |
| *offset = div_s64(41000LL * sign_extend32((((u32)data[0] & 0x3f) << 8) |
| | (u32)data[1], 13), 16384); |
| return 0; |
| } |
| |
| static int cxd2841er_read_packet_errors_t( |
| struct cxd2841er_priv *priv, u32 *penum) |
| { |
| u8 data[3]; |
| |
| *penum = 0; |
| if (priv->state != STATE_ACTIVE_TC) { |
| dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| cxd2841er_read_regs(priv, I2C_SLVT, 0xea, data, sizeof(data)); |
| if (data[2] & 0x01) |
| *penum = ((u32)data[0] << 8) | (u32)data[1]; |
| return 0; |
| } |
| |
| static int cxd2841er_read_packet_errors_t2( |
| struct cxd2841er_priv *priv, u32 *penum) |
| { |
| u8 data[3]; |
| |
| *penum = 0; |
| if (priv->state != STATE_ACTIVE_TC) { |
| dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x24); |
| cxd2841er_read_regs(priv, I2C_SLVT, 0xfd, data, sizeof(data)); |
| if (data[0] & 0x01) |
| *penum = ((u32)data[1] << 8) | (u32)data[2]; |
| return 0; |
| } |
| |
| static u32 cxd2841er_mon_read_ber_s(struct cxd2841er_priv *priv) |
| { |
| u8 data[11]; |
| u32 bit_error, bit_count; |
| u32 temp_q, temp_r; |
| |
| /* Set SLV-T Bank : 0xA0 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); |
| /* |
| * slave Bank Addr Bit Signal name |
| * <SLV-T> A0h 35h [0] IFVBER_VALID |
| * <SLV-T> A0h 36h [5:0] IFVBER_BITERR[21:16] |
| * <SLV-T> A0h 37h [7:0] IFVBER_BITERR[15:8] |
| * <SLV-T> A0h 38h [7:0] IFVBER_BITERR[7:0] |
| * <SLV-T> A0h 3Dh [5:0] IFVBER_BITNUM[21:16] |
| * <SLV-T> A0h 3Eh [7:0] IFVBER_BITNUM[15:8] |
| * <SLV-T> A0h 3Fh [7:0] IFVBER_BITNUM[7:0] |
| */ |
| cxd2841er_read_regs(priv, I2C_SLVT, 0x35, data, 11); |
| if (data[0] & 0x01) { |
| bit_error = ((u32)(data[1] & 0x3F) << 16) | |
| ((u32)(data[2] & 0xFF) << 8) | |
| (u32)(data[3] & 0xFF); |
| bit_count = ((u32)(data[8] & 0x3F) << 16) | |
| ((u32)(data[9] & 0xFF) << 8) | |
| (u32)(data[10] & 0xFF); |
| /* |
| * BER = bitError / bitCount |
| * = (bitError * 10^7) / bitCount |
| * = ((bitError * 625 * 125 * 128) / bitCount |
| */ |
| if ((bit_count == 0) || (bit_error > bit_count)) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): invalid bit_error %d, bit_count %d\n", |
| __func__, bit_error, bit_count); |
| return 0; |
| } |
| temp_q = div_u64_rem(10000000ULL * bit_error, |
| bit_count, &temp_r); |
| if (bit_count != 1 && temp_r >= bit_count / 2) |
| temp_q++; |
| return temp_q; |
| } |
| dev_dbg(&priv->i2c->dev, "%s(): no data available\n", __func__); |
| return 0; |
| } |
| |
| |
| static u32 cxd2841er_mon_read_ber_s2(struct cxd2841er_priv *priv) |
| { |
| u8 data[5]; |
| u32 bit_error, period; |
| u32 temp_q, temp_r; |
| u32 result = 0; |
| |
| /* Set SLV-T Bank : 0xB2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xb2); |
| /* |
| * slave Bank Addr Bit Signal name |
| * <SLV-T> B2h 30h [0] IFLBER_VALID |
| * <SLV-T> B2h 31h [3:0] IFLBER_BITERR[27:24] |
| * <SLV-T> B2h 32h [7:0] IFLBER_BITERR[23:16] |
| * <SLV-T> B2h 33h [7:0] IFLBER_BITERR[15:8] |
| * <SLV-T> B2h 34h [7:0] IFLBER_BITERR[7:0] |
| */ |
| cxd2841er_read_regs(priv, I2C_SLVT, 0x30, data, 5); |
| if (data[0] & 0x01) { |
| /* Bit error count */ |
| bit_error = ((u32)(data[1] & 0x0F) << 24) | |
| ((u32)(data[2] & 0xFF) << 16) | |
| ((u32)(data[3] & 0xFF) << 8) | |
| (u32)(data[4] & 0xFF); |
| |
| /* Set SLV-T Bank : 0xA0 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); |
| cxd2841er_read_reg(priv, I2C_SLVT, 0x7a, data); |
| /* Measurement period */ |
| period = (u32)(1 << (data[0] & 0x0F)); |
| if (period == 0) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): period is 0\n", __func__); |
| return 0; |
| } |
| if (bit_error > (period * 64800)) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): invalid bit_err 0x%x period 0x%x\n", |
| __func__, bit_error, period); |
| return 0; |
| } |
| /* |
| * BER = bitError / (period * 64800) |
| * = (bitError * 10^7) / (period * 64800) |
| * = (bitError * 10^5) / (period * 648) |
| * = (bitError * 12500) / (period * 81) |
| * = (bitError * 10) * 1250 / (period * 81) |
| */ |
| temp_q = div_u64_rem(12500ULL * bit_error, |
| period * 81, &temp_r); |
| if (temp_r >= period * 40) |
| temp_q++; |
| result = temp_q; |
| } else { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): no data available\n", __func__); |
| } |
| return result; |
| } |
| |
| static int cxd2841er_read_ber_t2(struct cxd2841er_priv *priv, u32 *ber) |
| { |
| u8 data[4]; |
| u32 div, q, r; |
| u32 bit_err, period_exp, n_ldpc; |
| |
| *ber = 0; |
| if (priv->state != STATE_ACTIVE_TC) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): invalid state %d\n", __func__, priv->state); |
| return -EINVAL; |
| } |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); |
| cxd2841er_read_regs(priv, I2C_SLVT, 0x39, data, sizeof(data)); |
| if (!(data[0] & 0x10)) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): no valid BER data\n", __func__); |
| return 0; |
| } |
| bit_err = ((u32)(data[0] & 0x0f) << 24) | |
| ((u32)data[1] << 16) | |
| ((u32)data[2] << 8) | |
| (u32)data[3]; |
| cxd2841er_read_reg(priv, I2C_SLVT, 0x6f, data); |
| period_exp = data[0] & 0x0f; |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x22); |
| cxd2841er_read_reg(priv, I2C_SLVT, 0x5e, data); |
| n_ldpc = ((data[0] & 0x03) == 0 ? 16200 : 64800); |
| if (bit_err > ((1U << period_exp) * n_ldpc)) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): invalid BER value\n", __func__); |
| return -EINVAL; |
| } |
| if (period_exp >= 4) { |
| div = (1U << (period_exp - 4)) * (n_ldpc / 200); |
| q = div_u64_rem(3125ULL * bit_err, div, &r); |
| } else { |
| div = (1U << period_exp) * (n_ldpc / 200); |
| q = div_u64_rem(50000ULL * bit_err, div, &r); |
| } |
| *ber = (r >= div / 2) ? q + 1 : q; |
| return 0; |
| } |
| |
| static int cxd2841er_read_ber_t(struct cxd2841er_priv *priv, u32 *ber) |
| { |
| u8 data[2]; |
| u32 div, q, r; |
| u32 bit_err, period; |
| |
| *ber = 0; |
| if (priv->state != STATE_ACTIVE_TC) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): invalid state %d\n", __func__, priv->state); |
| return -EINVAL; |
| } |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| cxd2841er_read_reg(priv, I2C_SLVT, 0x39, data); |
| if (!(data[0] & 0x01)) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): no valid BER data\n", __func__); |
| return 0; |
| } |
| cxd2841er_read_regs(priv, I2C_SLVT, 0x22, data, sizeof(data)); |
| bit_err = ((u32)data[0] << 8) | (u32)data[1]; |
| cxd2841er_read_reg(priv, I2C_SLVT, 0x6f, data); |
| period = ((data[0] & 0x07) == 0) ? 256 : (4096 << (data[0] & 0x07)); |
| div = period / 128; |
| q = div_u64_rem(78125ULL * bit_err, div, &r); |
| *ber = (r >= div / 2) ? q + 1 : q; |
| return 0; |
| } |
| |
| static u32 cxd2841er_dvbs_read_snr(struct cxd2841er_priv *priv, u8 delsys) |
| { |
| u8 data[3]; |
| u32 res = 0, value; |
| int min_index, max_index, index; |
| static const struct cxd2841er_cnr_data *cn_data; |
| |
| /* Set SLV-T Bank : 0xA1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa1); |
| /* |
| * slave Bank Addr Bit Signal name |
| * <SLV-T> A1h 10h [0] ICPM_QUICKRDY |
| * <SLV-T> A1h 11h [4:0] ICPM_QUICKCNDT[12:8] |
| * <SLV-T> A1h 12h [7:0] ICPM_QUICKCNDT[7:0] |
| */ |
| cxd2841er_read_regs(priv, I2C_SLVT, 0x10, data, 3); |
| if (data[0] & 0x01) { |
| value = ((u32)(data[1] & 0x1F) << 8) | (u32)(data[2] & 0xFF); |
| min_index = 0; |
| if (delsys == SYS_DVBS) { |
| cn_data = s_cn_data; |
| max_index = sizeof(s_cn_data) / |
| sizeof(s_cn_data[0]) - 1; |
| } else { |
| cn_data = s2_cn_data; |
| max_index = sizeof(s2_cn_data) / |
| sizeof(s2_cn_data[0]) - 1; |
| } |
| if (value >= cn_data[min_index].value) { |
| res = cn_data[min_index].cnr_x1000; |
| goto done; |
| } |
| if (value <= cn_data[max_index].value) { |
| res = cn_data[max_index].cnr_x1000; |
| goto done; |
| } |
| while ((max_index - min_index) > 1) { |
| index = (max_index + min_index) / 2; |
| if (value == cn_data[index].value) { |
| res = cn_data[index].cnr_x1000; |
| goto done; |
| } else if (value > cn_data[index].value) |
| max_index = index; |
| else |
| min_index = index; |
| if ((max_index - min_index) <= 1) { |
| if (value == cn_data[max_index].value) { |
| res = cn_data[max_index].cnr_x1000; |
| goto done; |
| } else { |
| res = cn_data[min_index].cnr_x1000; |
| goto done; |
| } |
| } |
| } |
| } else { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): no data available\n", __func__); |
| } |
| done: |
| return res; |
| } |
| |
| static int cxd2841er_read_snr_t(struct cxd2841er_priv *priv, u32 *snr) |
| { |
| u32 reg; |
| u8 data[2]; |
| |
| *snr = 0; |
| if (priv->state != STATE_ACTIVE_TC) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): invalid state %d\n", __func__, priv->state); |
| return -EINVAL; |
| } |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data)); |
| reg = ((u32)data[0] << 8) | (u32)data[1]; |
| if (reg == 0) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): reg value out of range\n", __func__); |
| return 0; |
| } |
| if (reg > 4996) |
| reg = 4996; |
| *snr = 10000 * ((intlog10(reg) - intlog10(5350 - reg)) >> 24) + 28500; |
| return 0; |
| } |
| |
| static int cxd2841er_read_snr_t2(struct cxd2841er_priv *priv, u32 *snr) |
| { |
| u32 reg; |
| u8 data[2]; |
| |
| *snr = 0; |
| if (priv->state != STATE_ACTIVE_TC) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): invalid state %d\n", __func__, priv->state); |
| return -EINVAL; |
| } |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); |
| cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data)); |
| reg = ((u32)data[0] << 8) | (u32)data[1]; |
| if (reg == 0) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): reg value out of range\n", __func__); |
| return 0; |
| } |
| if (reg > 10876) |
| reg = 10876; |
| *snr = 10000 * ((intlog10(reg) - |
| intlog10(12600 - reg)) >> 24) + 32000; |
| return 0; |
| } |
| |
| static u16 cxd2841er_read_agc_gain_t_t2(struct cxd2841er_priv *priv, |
| u8 delsys) |
| { |
| u8 data[2]; |
| |
| cxd2841er_write_reg( |
| priv, I2C_SLVT, 0x00, (delsys == SYS_DVBT ? 0x10 : 0x20)); |
| cxd2841er_read_regs(priv, I2C_SLVT, 0x26, data, 2); |
| return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4; |
| } |
| |
| static u16 cxd2841er_read_agc_gain_s(struct cxd2841er_priv *priv) |
| { |
| u8 data[2]; |
| |
| /* Set SLV-T Bank : 0xA0 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0); |
| /* |
| * slave Bank Addr Bit Signal name |
| * <SLV-T> A0h 1Fh [4:0] IRFAGC_GAIN[12:8] |
| * <SLV-T> A0h 20h [7:0] IRFAGC_GAIN[7:0] |
| */ |
| cxd2841er_read_regs(priv, I2C_SLVT, 0x1f, data, 2); |
| return ((((u16)data[0] & 0x1F) << 8) | (u16)(data[1] & 0xFF)) << 3; |
| } |
| |
| static int cxd2841er_read_ber(struct dvb_frontend *fe, u32 *ber) |
| { |
| struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| *ber = 0; |
| switch (p->delivery_system) { |
| case SYS_DVBS: |
| *ber = cxd2841er_mon_read_ber_s(priv); |
| break; |
| case SYS_DVBS2: |
| *ber = cxd2841er_mon_read_ber_s2(priv); |
| break; |
| case SYS_DVBT: |
| return cxd2841er_read_ber_t(priv, ber); |
| case SYS_DVBT2: |
| return cxd2841er_read_ber_t2(priv, ber); |
| default: |
| *ber = 0; |
| break; |
| } |
| return 0; |
| } |
| |
| static int cxd2841er_read_signal_strength(struct dvb_frontend *fe, |
| u16 *strength) |
| { |
| struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| switch (p->delivery_system) { |
| case SYS_DVBT: |
| case SYS_DVBT2: |
| *strength = 65535 - cxd2841er_read_agc_gain_t_t2( |
| priv, p->delivery_system); |
| break; |
| case SYS_DVBS: |
| case SYS_DVBS2: |
| *strength = 65535 - cxd2841er_read_agc_gain_s(priv); |
| break; |
| default: |
| *strength = 0; |
| break; |
| } |
| return 0; |
| } |
| |
| static int cxd2841er_read_snr(struct dvb_frontend *fe, u16 *snr) |
| { |
| u32 tmp = 0; |
| struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| switch (p->delivery_system) { |
| case SYS_DVBT: |
| cxd2841er_read_snr_t(priv, &tmp); |
| break; |
| case SYS_DVBT2: |
| cxd2841er_read_snr_t2(priv, &tmp); |
| break; |
| case SYS_DVBS: |
| case SYS_DVBS2: |
| tmp = cxd2841er_dvbs_read_snr(priv, p->delivery_system); |
| break; |
| default: |
| dev_dbg(&priv->i2c->dev, "%s(): unknown delivery system %d\n", |
| __func__, p->delivery_system); |
| break; |
| } |
| *snr = tmp & 0xffff; |
| return 0; |
| } |
| |
| static int cxd2841er_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) |
| { |
| struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| switch (p->delivery_system) { |
| case SYS_DVBT: |
| cxd2841er_read_packet_errors_t(priv, ucblocks); |
| break; |
| case SYS_DVBT2: |
| cxd2841er_read_packet_errors_t2(priv, ucblocks); |
| break; |
| default: |
| *ucblocks = 0; |
| break; |
| } |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| return 0; |
| } |
| |
| static int cxd2841er_dvbt2_set_profile( |
| struct cxd2841er_priv *priv, enum cxd2841er_dvbt2_profile_t profile) |
| { |
| u8 tune_mode; |
| u8 seq_not2d_time; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| switch (profile) { |
| case DVBT2_PROFILE_BASE: |
| tune_mode = 0x01; |
| seq_not2d_time = 12; |
| break; |
| case DVBT2_PROFILE_LITE: |
| tune_mode = 0x05; |
| seq_not2d_time = 40; |
| break; |
| case DVBT2_PROFILE_ANY: |
| tune_mode = 0x00; |
| seq_not2d_time = 40; |
| break; |
| default: |
| return -EINVAL; |
| } |
| /* Set SLV-T Bank : 0x2E */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2e); |
| /* Set profile and tune mode */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x10, tune_mode, 0x07); |
| /* Set SLV-T Bank : 0x2B */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b); |
| /* Set early unlock detection time */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x9d, seq_not2d_time); |
| return 0; |
| } |
| |
| static int cxd2841er_dvbt2_set_plp_config(struct cxd2841er_priv *priv, |
| u8 is_auto, u8 plp_id) |
| { |
| if (is_auto) { |
| dev_dbg(&priv->i2c->dev, |
| "%s() using auto PLP selection\n", __func__); |
| } else { |
| dev_dbg(&priv->i2c->dev, |
| "%s() using manual PLP selection, ID %d\n", |
| __func__, plp_id); |
| } |
| /* Set SLV-T Bank : 0x23 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x23); |
| if (!is_auto) { |
| /* Manual PLP selection mode. Set the data PLP Id. */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0xaf, plp_id); |
| } |
| /* Auto PLP select (Scanning mode = 0x00). Data PLP select = 0x01. */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0xad, (is_auto ? 0x00 : 0x01)); |
| return 0; |
| } |
| |
| static int cxd2841er_sleep_tc_to_active_t2_band(struct cxd2841er_priv *priv, |
| u32 bandwidth) |
| { |
| u32 iffreq; |
| u8 b20_9f[5]; |
| u8 b10_a6[14]; |
| u8 b10_b6[3]; |
| u8 b10_d7; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| switch (bandwidth) { |
| case 8000000: |
| /* bank 0x20, reg 0x9f */ |
| b20_9f[0] = 0x11; |
| b20_9f[1] = 0xf0; |
| b20_9f[2] = 0x00; |
| b20_9f[3] = 0x00; |
| b20_9f[4] = 0x00; |
| /* bank 0x10, reg 0xa6 */ |
| b10_a6[0] = 0x26; |
| b10_a6[1] = 0xaf; |
| b10_a6[2] = 0x06; |
| b10_a6[3] = 0xcd; |
| b10_a6[4] = 0x13; |
| b10_a6[5] = 0xbb; |
| b10_a6[6] = 0x28; |
| b10_a6[7] = 0xba; |
| b10_a6[8] = 0x23; |
| b10_a6[9] = 0xa9; |
| b10_a6[10] = 0x1f; |
| b10_a6[11] = 0xa8; |
| b10_a6[12] = 0x2c; |
| b10_a6[13] = 0xc8; |
| iffreq = MAKE_IFFREQ_CONFIG(4.80); |
| b10_d7 = 0x00; |
| break; |
| case 7000000: |
| /* bank 0x20, reg 0x9f */ |
| b20_9f[0] = 0x14; |
| b20_9f[1] = 0x80; |
| b20_9f[2] = 0x00; |
| b20_9f[3] = 0x00; |
| b20_9f[4] = 0x00; |
| /* bank 0x10, reg 0xa6 */ |
| b10_a6[0] = 0x2C; |
| b10_a6[1] = 0xBD; |
| b10_a6[2] = 0x02; |
| b10_a6[3] = 0xCF; |
| b10_a6[4] = 0x04; |
| b10_a6[5] = 0xF8; |
| b10_a6[6] = 0x23; |
| b10_a6[7] = 0xA6; |
| b10_a6[8] = 0x29; |
| b10_a6[9] = 0xB0; |
| b10_a6[10] = 0x26; |
| b10_a6[11] = 0xA9; |
| b10_a6[12] = 0x21; |
| b10_a6[13] = 0xA5; |
| iffreq = MAKE_IFFREQ_CONFIG(4.2); |
| b10_d7 = 0x02; |
| break; |
| case 6000000: |
| /* bank 0x20, reg 0x9f */ |
| b20_9f[0] = 0x17; |
| b20_9f[1] = 0xEA; |
| b20_9f[2] = 0xAA; |
| b20_9f[3] = 0xAA; |
| b20_9f[4] = 0xAA; |
| /* bank 0x10, reg 0xa6 */ |
| b10_a6[0] = 0x27; |
| b10_a6[1] = 0xA7; |
| b10_a6[2] = 0x28; |
| b10_a6[3] = 0xB3; |
| b10_a6[4] = 0x02; |
| b10_a6[5] = 0xF0; |
| b10_a6[6] = 0x01; |
| b10_a6[7] = 0xE8; |
| b10_a6[8] = 0x00; |
| b10_a6[9] = 0xCF; |
| b10_a6[10] = 0x00; |
| b10_a6[11] = 0xE6; |
| b10_a6[12] = 0x23; |
| b10_a6[13] = 0xA4; |
| iffreq = MAKE_IFFREQ_CONFIG(3.6); |
| b10_d7 = 0x04; |
| break; |
| case 5000000: |
| /* bank 0x20, reg 0x9f */ |
| b20_9f[0] = 0x1C; |
| b20_9f[1] = 0xB3; |
| b20_9f[2] = 0x33; |
| b20_9f[3] = 0x33; |
| b20_9f[4] = 0x33; |
| /* bank 0x10, reg 0xa6 */ |
| b10_a6[0] = 0x27; |
| b10_a6[1] = 0xA7; |
| b10_a6[2] = 0x28; |
| b10_a6[3] = 0xB3; |
| b10_a6[4] = 0x02; |
| b10_a6[5] = 0xF0; |
| b10_a6[6] = 0x01; |
| b10_a6[7] = 0xE8; |
| b10_a6[8] = 0x00; |
| b10_a6[9] = 0xCF; |
| b10_a6[10] = 0x00; |
| b10_a6[11] = 0xE6; |
| b10_a6[12] = 0x23; |
| b10_a6[13] = 0xA4; |
| iffreq = MAKE_IFFREQ_CONFIG(3.6); |
| b10_d7 = 0x06; |
| break; |
| case 1712000: |
| /* bank 0x20, reg 0x9f */ |
| b20_9f[0] = 0x58; |
| b20_9f[1] = 0xE2; |
| b20_9f[2] = 0xAF; |
| b20_9f[3] = 0xE0; |
| b20_9f[4] = 0xBC; |
| /* bank 0x10, reg 0xa6 */ |
| b10_a6[0] = 0x25; |
| b10_a6[1] = 0xA0; |
| b10_a6[2] = 0x36; |
| b10_a6[3] = 0x8D; |
| b10_a6[4] = 0x2E; |
| b10_a6[5] = 0x94; |
| b10_a6[6] = 0x28; |
| b10_a6[7] = 0x9B; |
| b10_a6[8] = 0x32; |
| b10_a6[9] = 0x90; |
| b10_a6[10] = 0x2C; |
| b10_a6[11] = 0x9D; |
| b10_a6[12] = 0x29; |
| b10_a6[13] = 0x99; |
| iffreq = MAKE_IFFREQ_CONFIG(3.5); |
| b10_d7 = 0x03; |
| break; |
| default: |
| return -EINVAL; |
| } |
| /* Set SLV-T Bank : 0x20 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x20); |
| cxd2841er_write_regs(priv, I2C_SLVT, 0x9f, b20_9f, sizeof(b20_9f)); |
| /* Set SLV-T Bank : 0x27 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27); |
| cxd2841er_set_reg_bits( |
| priv, I2C_SLVT, 0x7a, |
| (bandwidth == 1712000 ? 0x03 : 0x00), 0x0f); |
| /* Set SLV-T Bank : 0x10 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| /* Group delay equaliser sett. for ASCOT2E */ |
| cxd2841er_write_regs(priv, I2C_SLVT, 0xa6, b10_a6, sizeof(b10_a6)); |
| /* <IF freq setting> */ |
| b10_b6[0] = (u8) ((iffreq >> 16) & 0xff); |
| b10_b6[1] = (u8)((iffreq >> 8) & 0xff); |
| b10_b6[2] = (u8)(iffreq & 0xff); |
| cxd2841er_write_regs(priv, I2C_SLVT, 0xb6, b10_b6, sizeof(b10_b6)); |
| /* System bandwidth setting */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd7, b10_d7, 0x07); |
| return 0; |
| } |
| |
| static int cxd2841er_sleep_tc_to_active_t_band( |
| struct cxd2841er_priv *priv, u32 bandwidth) |
| { |
| u8 b13_9c[2] = { 0x01, 0x14 }; |
| u8 bw8mhz_b10_9f[] = { 0x11, 0xF0, 0x00, 0x00, 0x00 }; |
| u8 bw8mhz_b10_a6[] = { 0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, |
| 0x28, 0xBA, 0x23, 0xA9, 0x1F, 0xA8, 0x2C, 0xC8 }; |
| u8 bw8mhz_b10_d9[] = { 0x01, 0xE0 }; |
| u8 bw8mhz_b17_38[] = { 0x01, 0x02 }; |
| u8 bw7mhz_b10_9f[] = { 0x14, 0x80, 0x00, 0x00, 0x00 }; |
| u8 bw7mhz_b10_a6[] = { 0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, |
| 0x23, 0xA6, 0x29, 0xB0, 0x26, 0xA9, 0x21, 0xA5 }; |
| u8 bw7mhz_b10_d9[] = { 0x12, 0xF8 }; |
| u8 bw7mhz_b17_38[] = { 0x00, 0x03 }; |
| u8 bw6mhz_b10_9f[] = { 0x17, 0xEA, 0xAA, 0xAA, 0xAA }; |
| u8 bw6mhz_b10_a6[] = { 0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, |
| 0x01, 0xE8, 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4 }; |
| u8 bw6mhz_b10_d9[] = { 0x1F, 0xDC }; |
| u8 bw6mhz_b17_38[] = { 0x00, 0x03 }; |
| u8 bw5mhz_b10_9f[] = { 0x1C, 0xB3, 0x33, 0x33, 0x33 }; |
| u8 bw5mhz_b10_a6[] = { 0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, |
| 0x01, 0xE8, 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4 }; |
| u8 bw5mhz_b10_d9[] = { 0x26, 0x3C }; |
| u8 bw5mhz_b17_38[] = { 0x00, 0x03 }; |
| u8 b10_b6[3]; |
| u8 d7val; |
| u32 iffreq; |
| u8 *b10_9f; |
| u8 *b10_a6; |
| u8 *b10_d9; |
| u8 *b17_38; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13); |
| /* Echo performance optimization setting */ |
| cxd2841er_write_regs(priv, I2C_SLVT, 0x9c, b13_9c, sizeof(b13_9c)); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| |
| switch (bandwidth) { |
| case 8000000: |
| b10_9f = bw8mhz_b10_9f; |
| b10_a6 = bw8mhz_b10_a6; |
| b10_d9 = bw8mhz_b10_d9; |
| b17_38 = bw8mhz_b17_38; |
| d7val = 0; |
| iffreq = MAKE_IFFREQ_CONFIG(4.80); |
| break; |
| case 7000000: |
| b10_9f = bw7mhz_b10_9f; |
| b10_a6 = bw7mhz_b10_a6; |
| b10_d9 = bw7mhz_b10_d9; |
| b17_38 = bw7mhz_b17_38; |
| d7val = 2; |
| iffreq = MAKE_IFFREQ_CONFIG(4.20); |
| break; |
| case 6000000: |
| b10_9f = bw6mhz_b10_9f; |
| b10_a6 = bw6mhz_b10_a6; |
| b10_d9 = bw6mhz_b10_d9; |
| b17_38 = bw6mhz_b17_38; |
| d7val = 4; |
| iffreq = MAKE_IFFREQ_CONFIG(3.60); |
| break; |
| case 5000000: |
| b10_9f = bw5mhz_b10_9f; |
| b10_a6 = bw5mhz_b10_a6; |
| b10_d9 = bw5mhz_b10_d9; |
| b17_38 = bw5mhz_b17_38; |
| d7val = 6; |
| iffreq = MAKE_IFFREQ_CONFIG(3.60); |
| break; |
| default: |
| dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n", |
| __func__, bandwidth); |
| return -EINVAL; |
| } |
| /* <IF freq setting> */ |
| b10_b6[0] = (u8) ((iffreq >> 16) & 0xff); |
| b10_b6[1] = (u8)((iffreq >> 8) & 0xff); |
| b10_b6[2] = (u8)(iffreq & 0xff); |
| cxd2841er_write_regs( |
| priv, I2C_SLVT, 0x9f, b10_9f, sizeof(bw8mhz_b10_9f)); |
| cxd2841er_write_regs( |
| priv, I2C_SLVT, 0xa6, b10_a6, sizeof(bw8mhz_b10_a6)); |
| cxd2841er_write_regs(priv, I2C_SLVT, 0xb6, b10_b6, sizeof(b10_b6)); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd7, d7val, 0x7); |
| cxd2841er_write_regs( |
| priv, I2C_SLVT, 0xd9, b10_d9, sizeof(bw8mhz_b10_d9)); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17); |
| cxd2841er_write_regs( |
| priv, I2C_SLVT, 0x38, b17_38, sizeof(bw8mhz_b17_38)); |
| return 0; |
| } |
| |
| static int cxd2841er_sleep_tc_to_active_c_band(struct cxd2841er_priv *priv, |
| u32 bandwidth) |
| { |
| u8 bw7_8mhz_b10_a6[] = { |
| 0x2D, 0xC7, 0x04, 0xF4, 0x07, 0xC5, 0x2A, 0xB8, |
| 0x27, 0x9E, 0x27, 0xA4, 0x29, 0xAB }; |
| u8 bw6mhz_b10_a6[] = { |
| 0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, |
| 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4 }; |
| u8 b10_b6[3]; |
| u32 iffreq; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| switch (bandwidth) { |
| case 8000000: |
| case 7000000: |
| cxd2841er_write_regs( |
| priv, I2C_SLVT, 0xa6, |
| bw7_8mhz_b10_a6, sizeof(bw7_8mhz_b10_a6)); |
| iffreq = MAKE_IFFREQ_CONFIG(4.9); |
| break; |
| case 6000000: |
| cxd2841er_write_regs( |
| priv, I2C_SLVT, 0xa6, |
| bw6mhz_b10_a6, sizeof(bw6mhz_b10_a6)); |
| iffreq = MAKE_IFFREQ_CONFIG(3.7); |
| break; |
| default: |
| dev_dbg(&priv->i2c->dev, "%s(): unsupported bandwidth %d\n", |
| __func__, bandwidth); |
| return -EINVAL; |
| } |
| /* <IF freq setting> */ |
| b10_b6[0] = (u8) ((iffreq >> 16) & 0xff); |
| b10_b6[1] = (u8)((iffreq >> 8) & 0xff); |
| b10_b6[2] = (u8)(iffreq & 0xff); |
| cxd2841er_write_regs(priv, I2C_SLVT, 0xb6, b10_b6, sizeof(b10_b6)); |
| /* Set SLV-T Bank : 0x11 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); |
| switch (bandwidth) { |
| case 8000000: |
| case 7000000: |
| cxd2841er_set_reg_bits( |
| priv, I2C_SLVT, 0xa3, 0x00, 0x1f); |
| break; |
| case 6000000: |
| cxd2841er_set_reg_bits( |
| priv, I2C_SLVT, 0xa3, 0x14, 0x1f); |
| break; |
| } |
| /* Set SLV-T Bank : 0x40 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); |
| switch (bandwidth) { |
| case 8000000: |
| cxd2841er_set_reg_bits( |
| priv, I2C_SLVT, 0x26, 0x0b, 0x0f); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x27, 0x3e); |
| break; |
| case 7000000: |
| cxd2841er_set_reg_bits( |
| priv, I2C_SLVT, 0x26, 0x09, 0x0f); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x27, 0xd6); |
| break; |
| case 6000000: |
| cxd2841er_set_reg_bits( |
| priv, I2C_SLVT, 0x26, 0x08, 0x0f); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x27, 0x6e); |
| break; |
| } |
| return 0; |
| } |
| |
| static int cxd2841er_sleep_tc_to_active_t(struct cxd2841er_priv *priv, |
| u32 bandwidth) |
| { |
| u8 data[2] = { 0x09, 0x54 }; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| cxd2841er_set_ts_clock_mode(priv, SYS_DVBT); |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* Set demod mode */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* Enable demod clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); |
| /* Disable RF level monitor */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); |
| /* Enable ADC clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); |
| /* Enable ADC 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a); |
| /* xtal freq 20.5MHz */ |
| cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2); |
| /* Enable ADC 4 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); |
| /* Set SLV-T Bank : 0x10 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| /* IFAGC gain settings */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd2, 0x0c, 0x1f); |
| /* Set SLV-T Bank : 0x11 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); |
| /* BBAGC TARGET level setting */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x6a, 0x50); |
| /* Set SLV-T Bank : 0x10 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| /* ASCOT setting ON */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5, 0x01, 0x01); |
| /* Set SLV-T Bank : 0x18 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x18); |
| /* Pre-RS BER moniter setting */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x36, 0x40, 0x07); |
| /* FEC Auto Recovery setting */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x30, 0x01, 0x01); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x31, 0x01, 0x01); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* TSIF setting */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x01, 0x01); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x01, 0x01); |
| cxd2841er_sleep_tc_to_active_t_band(priv, bandwidth); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* Disable HiZ Setting 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28); |
| /* Disable HiZ Setting 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); |
| priv->state = STATE_ACTIVE_TC; |
| return 0; |
| } |
| |
| static int cxd2841er_sleep_tc_to_active_t2(struct cxd2841er_priv *priv, |
| u32 bandwidth) |
| { |
| u8 data[2] = { 0x09, 0x54 }; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| cxd2841er_set_ts_clock_mode(priv, SYS_DVBT2); |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* Set demod mode */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x02); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* Enable demod clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); |
| /* Disable RF level monitor */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); |
| /* Enable ADC clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); |
| /* Enable ADC 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a); |
| /* xtal freq 20.5MHz */ |
| cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2); |
| /* Enable ADC 4 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); |
| /* Set SLV-T Bank : 0x10 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| /* IFAGC gain settings */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd2, 0x0c, 0x1f); |
| /* Set SLV-T Bank : 0x11 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); |
| /* BBAGC TARGET level setting */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x6a, 0x50); |
| /* Set SLV-T Bank : 0x10 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| /* ASCOT setting ON */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5, 0x01, 0x01); |
| /* Set SLV-T Bank : 0x20 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20); |
| /* Acquisition optimization setting */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x8b, 0x3c); |
| /* Set SLV-T Bank : 0x2b */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x76, 0x20, 0x70); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* TSIF setting */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x01, 0x01); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x01, 0x01); |
| /* DVB-T2 initial setting */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x83, 0x10); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x86, 0x34); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x9e, 0x09, 0x0f); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x9f, 0xd8); |
| /* Set SLV-T Bank : 0x2a */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2a); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x38, 0x04, 0x0f); |
| /* Set SLV-T Bank : 0x2b */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x11, 0x20, 0x3f); |
| |
| cxd2841er_sleep_tc_to_active_t2_band(priv, bandwidth); |
| |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* Disable HiZ Setting 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28); |
| /* Disable HiZ Setting 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); |
| priv->state = STATE_ACTIVE_TC; |
| return 0; |
| } |
| |
| static int cxd2841er_sleep_tc_to_active_c(struct cxd2841er_priv *priv, |
| u32 bandwidth) |
| { |
| u8 data[2] = { 0x09, 0x54 }; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| cxd2841er_set_ts_clock_mode(priv, SYS_DVBC_ANNEX_A); |
| /* Set SLV-X Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00); |
| /* Set demod mode */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x04); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* Enable demod clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01); |
| /* Disable RF level monitor */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00); |
| /* Enable ADC clock */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00); |
| /* Enable ADC 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a); |
| /* xtal freq 20.5MHz */ |
| cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2); |
| /* Enable ADC 4 */ |
| cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00); |
| /* Set SLV-T Bank : 0x10 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| /* IFAGC gain settings */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd2, 0x09, 0x1f); |
| /* Set SLV-T Bank : 0x11 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11); |
| /* BBAGC TARGET level setting */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x6a, 0x48); |
| /* Set SLV-T Bank : 0x10 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); |
| /* ASCOT setting ON */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5, 0x01, 0x01); |
| /* Set SLV-T Bank : 0x40 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40); |
| /* Demod setting */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc3, 0x00, 0x04); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* TSIF setting */ |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x01, 0x01); |
| cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x01, 0x01); |
| |
| cxd2841er_sleep_tc_to_active_c_band(priv, 8000000); |
| /* Set SLV-T Bank : 0x00 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00); |
| /* Disable HiZ Setting 1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28); |
| /* Disable HiZ Setting 2 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00); |
| priv->state = STATE_ACTIVE_TC; |
| return 0; |
| } |
| |
| static int cxd2841er_get_frontend(struct dvb_frontend *fe) |
| { |
| enum fe_status status = 0; |
| u16 strength = 0, snr = 0; |
| u32 errors = 0, ber = 0; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state == STATE_ACTIVE_S) |
| cxd2841er_read_status_s(fe, &status); |
| else if (priv->state == STATE_ACTIVE_TC) |
| cxd2841er_read_status_tc(fe, &status); |
| |
| if (status & FE_HAS_LOCK) { |
| cxd2841er_read_signal_strength(fe, &strength); |
| p->strength.len = 1; |
| p->strength.stat[0].scale = FE_SCALE_RELATIVE; |
| p->strength.stat[0].uvalue = strength; |
| cxd2841er_read_snr(fe, &snr); |
| p->cnr.len = 1; |
| p->cnr.stat[0].scale = FE_SCALE_DECIBEL; |
| p->cnr.stat[0].svalue = snr; |
| cxd2841er_read_ucblocks(fe, &errors); |
| p->block_error.len = 1; |
| p->block_error.stat[0].scale = FE_SCALE_COUNTER; |
| p->block_error.stat[0].uvalue = errors; |
| cxd2841er_read_ber(fe, &ber); |
| p->post_bit_error.len = 1; |
| p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER; |
| p->post_bit_error.stat[0].uvalue = ber; |
| } else { |
| p->strength.len = 1; |
| p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; |
| p->cnr.len = 1; |
| p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; |
| p->block_error.len = 1; |
| p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; |
| p->post_bit_error.len = 1; |
| p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; |
| } |
| return 0; |
| } |
| |
| static int cxd2841er_set_frontend_s(struct dvb_frontend *fe) |
| { |
| int ret = 0, i, timeout, carr_offset; |
| enum fe_status status; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
| u32 symbol_rate = p->symbol_rate/1000; |
| |
| dev_dbg(&priv->i2c->dev, "%s(): %s frequency=%d symbol_rate=%d\n", |
| __func__, |
| (p->delivery_system == SYS_DVBS ? "DVB-S" : "DVB-S2"), |
| p->frequency, symbol_rate); |
| switch (priv->state) { |
| case STATE_SLEEP_S: |
| ret = cxd2841er_sleep_s_to_active_s( |
| priv, p->delivery_system, symbol_rate); |
| break; |
| case STATE_ACTIVE_S: |
| ret = cxd2841er_retune_active(priv, p); |
| break; |
| default: |
| dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| ret = -EINVAL; |
| goto done; |
| } |
| if (ret) { |
| dev_dbg(&priv->i2c->dev, "%s(): tune failed\n", __func__); |
| goto done; |
| } |
| if (fe->ops.i2c_gate_ctrl) |
| fe->ops.i2c_gate_ctrl(fe, 1); |
| if (fe->ops.tuner_ops.set_params) |
| fe->ops.tuner_ops.set_params(fe); |
| if (fe->ops.i2c_gate_ctrl) |
| fe->ops.i2c_gate_ctrl(fe, 0); |
| cxd2841er_tune_done(priv); |
| timeout = ((3000000 + (symbol_rate - 1)) / symbol_rate) + 150; |
| for (i = 0; i < timeout / CXD2841ER_DVBS_POLLING_INVL; i++) { |
| usleep_range(CXD2841ER_DVBS_POLLING_INVL*1000, |
| (CXD2841ER_DVBS_POLLING_INVL + 2) * 1000); |
| cxd2841er_read_status_s(fe, &status); |
| if (status & FE_HAS_LOCK) |
| break; |
| } |
| if (status & FE_HAS_LOCK) { |
| if (cxd2841er_get_carrier_offset_s_s2( |
| priv, &carr_offset)) { |
| ret = -EINVAL; |
| goto done; |
| } |
| dev_dbg(&priv->i2c->dev, "%s(): carrier_offset=%d\n", |
| __func__, carr_offset); |
| } |
| done: |
| return ret; |
| } |
| |
| static int cxd2841er_set_frontend_tc(struct dvb_frontend *fe) |
| { |
| int ret = 0, timeout; |
| enum fe_status status; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (p->delivery_system == SYS_DVBT) { |
| priv->system = SYS_DVBT; |
| switch (priv->state) { |
| case STATE_SLEEP_TC: |
| ret = cxd2841er_sleep_tc_to_active_t( |
| priv, p->bandwidth_hz); |
| break; |
| case STATE_ACTIVE_TC: |
| ret = cxd2841er_retune_active(priv, p); |
| break; |
| default: |
| dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| ret = -EINVAL; |
| } |
| } else if (p->delivery_system == SYS_DVBT2) { |
| priv->system = SYS_DVBT2; |
| cxd2841er_dvbt2_set_plp_config(priv, |
| (int)(p->stream_id > 255), p->stream_id); |
| cxd2841er_dvbt2_set_profile(priv, DVBT2_PROFILE_BASE); |
| switch (priv->state) { |
| case STATE_SLEEP_TC: |
| ret = cxd2841er_sleep_tc_to_active_t2(priv, |
| p->bandwidth_hz); |
| break; |
| case STATE_ACTIVE_TC: |
| ret = cxd2841er_retune_active(priv, p); |
| break; |
| default: |
| dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| ret = -EINVAL; |
| } |
| } else if (p->delivery_system == SYS_DVBC_ANNEX_A || |
| p->delivery_system == SYS_DVBC_ANNEX_C) { |
| priv->system = SYS_DVBC_ANNEX_A; |
| switch (priv->state) { |
| case STATE_SLEEP_TC: |
| ret = cxd2841er_sleep_tc_to_active_c( |
| priv, p->bandwidth_hz); |
| break; |
| case STATE_ACTIVE_TC: |
| ret = cxd2841er_retune_active(priv, p); |
| break; |
| default: |
| dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| ret = -EINVAL; |
| } |
| } else { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): invalid delivery system %d\n", |
| __func__, p->delivery_system); |
| ret = -EINVAL; |
| } |
| if (ret) |
| goto done; |
| if (fe->ops.i2c_gate_ctrl) |
| fe->ops.i2c_gate_ctrl(fe, 1); |
| if (fe->ops.tuner_ops.set_params) |
| fe->ops.tuner_ops.set_params(fe); |
| if (fe->ops.i2c_gate_ctrl) |
| fe->ops.i2c_gate_ctrl(fe, 0); |
| cxd2841er_tune_done(priv); |
| timeout = 2500; |
| while (timeout > 0) { |
| ret = cxd2841er_read_status_tc(fe, &status); |
| if (ret) |
| goto done; |
| if (status & FE_HAS_LOCK) |
| break; |
| msleep(20); |
| timeout -= 20; |
| } |
| if (timeout < 0) |
| dev_dbg(&priv->i2c->dev, |
| "%s(): LOCK wait timeout\n", __func__); |
| done: |
| return ret; |
| } |
| |
| static int cxd2841er_tune_s(struct dvb_frontend *fe, |
| bool re_tune, |
| unsigned int mode_flags, |
| unsigned int *delay, |
| enum fe_status *status) |
| { |
| int ret, carrier_offset; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
| |
| dev_dbg(&priv->i2c->dev, "%s() re_tune=%d\n", __func__, re_tune); |
| if (re_tune) { |
| ret = cxd2841er_set_frontend_s(fe); |
| if (ret) |
| return ret; |
| cxd2841er_read_status_s(fe, status); |
| if (*status & FE_HAS_LOCK) { |
| if (cxd2841er_get_carrier_offset_s_s2( |
| priv, &carrier_offset)) |
| return -EINVAL; |
| p->frequency += carrier_offset; |
| ret = cxd2841er_set_frontend_s(fe); |
| if (ret) |
| return ret; |
| } |
| } |
| *delay = HZ / 5; |
| return cxd2841er_read_status_s(fe, status); |
| } |
| |
| static int cxd2841er_tune_tc(struct dvb_frontend *fe, |
| bool re_tune, |
| unsigned int mode_flags, |
| unsigned int *delay, |
| enum fe_status *status) |
| { |
| int ret, carrier_offset; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
| |
| dev_dbg(&priv->i2c->dev, "%s(): re_tune %d\n", __func__, re_tune); |
| if (re_tune) { |
| ret = cxd2841er_set_frontend_tc(fe); |
| if (ret) |
| return ret; |
| cxd2841er_read_status_tc(fe, status); |
| if (*status & FE_HAS_LOCK) { |
| switch (priv->system) { |
| case SYS_DVBT: |
| case SYS_DVBT2: |
| ret = cxd2841er_get_carrier_offset_t2( |
| priv, p->bandwidth_hz, |
| &carrier_offset); |
| break; |
| case SYS_DVBC_ANNEX_A: |
| ret = cxd2841er_get_carrier_offset_c( |
| priv, &carrier_offset); |
| break; |
| default: |
| dev_dbg(&priv->i2c->dev, |
| "%s(): invalid delivery system %d\n", |
| __func__, priv->system); |
| return -EINVAL; |
| } |
| if (ret) |
| return ret; |
| dev_dbg(&priv->i2c->dev, "%s(): carrier offset %d\n", |
| __func__, carrier_offset); |
| p->frequency += carrier_offset; |
| ret = cxd2841er_set_frontend_tc(fe); |
| if (ret) |
| return ret; |
| } |
| } |
| *delay = HZ / 5; |
| return cxd2841er_read_status_tc(fe, status); |
| } |
| |
| static int cxd2841er_sleep_s(struct dvb_frontend *fe) |
| { |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| cxd2841er_active_s_to_sleep_s(fe->demodulator_priv); |
| cxd2841er_sleep_s_to_shutdown(fe->demodulator_priv); |
| return 0; |
| } |
| |
| static int cxd2841er_sleep_tc(struct dvb_frontend *fe) |
| { |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| if (priv->state == STATE_ACTIVE_TC) { |
| switch (priv->system) { |
| case SYS_DVBT: |
| cxd2841er_active_t_to_sleep_tc(priv); |
| break; |
| case SYS_DVBT2: |
| cxd2841er_active_t2_to_sleep_tc(priv); |
| break; |
| case SYS_DVBC_ANNEX_A: |
| cxd2841er_active_c_to_sleep_tc(priv); |
| break; |
| default: |
| dev_warn(&priv->i2c->dev, |
| "%s(): unknown delivery system %d\n", |
| __func__, priv->system); |
| } |
| } |
| if (priv->state != STATE_SLEEP_TC) { |
| dev_err(&priv->i2c->dev, "%s(): invalid state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| cxd2841er_sleep_tc_to_shutdown(priv); |
| return 0; |
| } |
| |
| static int cxd2841er_send_burst(struct dvb_frontend *fe, |
| enum fe_sec_mini_cmd burst) |
| { |
| u8 data; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s(): burst mode %s\n", __func__, |
| (burst == SEC_MINI_A ? "A" : "B")); |
| if (priv->state != STATE_SLEEP_S && |
| priv->state != STATE_ACTIVE_S) { |
| dev_err(&priv->i2c->dev, "%s(): invalid demod state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| data = (burst == SEC_MINI_A ? 0 : 1); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xbb); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x34, 0x01); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x35, data); |
| return 0; |
| } |
| |
| static int cxd2841er_set_tone(struct dvb_frontend *fe, |
| enum fe_sec_tone_mode tone) |
| { |
| u8 data; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s(): tone %s\n", __func__, |
| (tone == SEC_TONE_ON ? "On" : "Off")); |
| if (priv->state != STATE_SLEEP_S && |
| priv->state != STATE_ACTIVE_S) { |
| dev_err(&priv->i2c->dev, "%s(): invalid demod state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| data = (tone == SEC_TONE_ON ? 1 : 0); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xbb); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x36, data); |
| return 0; |
| } |
| |
| static int cxd2841er_send_diseqc_msg(struct dvb_frontend *fe, |
| struct dvb_diseqc_master_cmd *cmd) |
| { |
| int i; |
| u8 data[12]; |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| if (priv->state != STATE_SLEEP_S && |
| priv->state != STATE_ACTIVE_S) { |
| dev_err(&priv->i2c->dev, "%s(): invalid demod state %d\n", |
| __func__, priv->state); |
| return -EINVAL; |
| } |
| dev_dbg(&priv->i2c->dev, |
| "%s(): cmd->len %d\n", __func__, cmd->msg_len); |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xbb); |
| /* DiDEqC enable */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x33, 0x01); |
| /* cmd1 length & data */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x3d, cmd->msg_len); |
| memset(data, 0, sizeof(data)); |
| for (i = 0; i < cmd->msg_len && i < sizeof(data); i++) |
| data[i] = cmd->msg[i]; |
| cxd2841er_write_regs(priv, I2C_SLVT, 0x3e, data, sizeof(data)); |
| /* repeat count for cmd1 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x37, 1); |
| /* repeat count for cmd2: always 0 */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x38, 0); |
| /* start transmit */ |
| cxd2841er_write_reg(priv, I2C_SLVT, 0x32, 0x01); |
| /* wait for 1 sec timeout */ |
| for (i = 0; i < 50; i++) { |
| cxd2841er_read_reg(priv, I2C_SLVT, 0x10, data); |
| if (!data[0]) { |
| dev_dbg(&priv->i2c->dev, |
| "%s(): DiSEqC cmd has been sent\n", __func__); |
| return 0; |
| } |
| msleep(20); |
| } |
| dev_dbg(&priv->i2c->dev, |
| "%s(): DiSEqC cmd transmit timeout\n", __func__); |
| return -ETIMEDOUT; |
| } |
| |
| static void cxd2841er_release(struct dvb_frontend *fe) |
| { |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| kfree(priv); |
| } |
| |
| static int cxd2841er_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) |
| { |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s(): enable=%d\n", __func__, enable); |
| cxd2841er_set_reg_bits( |
| priv, I2C_SLVX, 0x8, (enable ? 0x01 : 0x00), 0x01); |
| return 0; |
| } |
| |
| static enum dvbfe_algo cxd2841er_get_algo(struct dvb_frontend *fe) |
| { |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| return DVBFE_ALGO_HW; |
| } |
| |
| static int cxd2841er_init_s(struct dvb_frontend *fe) |
| { |
| struct cxd2841er_priv *priv = fe->demodulator_priv; |
| |
| dev_dbg(&priv->i2c->dev, "%s()\n", __func__); |
| cxd2841er_shutdown_to_sleep_s(priv); |
| /* SONY_DEMOD_CONFIG_SAT_IFAGCNEG set to 1 */ |
|