| /* |
| STB0899 Multistandard Frontend driver |
| Copyright (C) Manu Abraham (abraham.manu@gmail.com) |
| |
| Copyright (C) ST Microelectronics |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/string.h> |
| |
| #include <linux/dvb/frontend.h> |
| #include "dvb_frontend.h" |
| |
| #include "stb0899_drv.h" |
| #include "stb0899_priv.h" |
| #include "stb0899_reg.h" |
| |
| static unsigned int verbose = 0;//1; |
| module_param(verbose, int, 0644); |
| |
| /* C/N in dB/10, NIRM/NIRL */ |
| static const struct stb0899_tab stb0899_cn_tab[] = { |
| { 200, 2600 }, |
| { 190, 2700 }, |
| { 180, 2860 }, |
| { 170, 3020 }, |
| { 160, 3210 }, |
| { 150, 3440 }, |
| { 140, 3710 }, |
| { 130, 4010 }, |
| { 120, 4360 }, |
| { 110, 4740 }, |
| { 100, 5190 }, |
| { 90, 5670 }, |
| { 80, 6200 }, |
| { 70, 6770 }, |
| { 60, 7360 }, |
| { 50, 7970 }, |
| { 40, 8250 }, |
| { 30, 9000 }, |
| { 20, 9450 }, |
| { 15, 9600 }, |
| }; |
| |
| /* DVB-S AGCIQ_VALUE vs. signal level in dBm/10. |
| * As measured, connected to a modulator. |
| * -8.0 to -50.0 dBm directly connected, |
| * -52.0 to -74.8 with extra attenuation. |
| * Cut-off to AGCIQ_VALUE = 0x80 below -74.8dBm. |
| * Crude linear extrapolation below -84.8dBm and above -8.0dBm. |
| */ |
| static const struct stb0899_tab stb0899_dvbsrf_tab[] = { |
| { -950, -128 }, |
| { -748, -94 }, |
| { -745, -92 }, |
| { -735, -90 }, |
| { -720, -87 }, |
| { -670, -77 }, |
| { -640, -70 }, |
| { -610, -62 }, |
| { -600, -60 }, |
| { -590, -56 }, |
| { -560, -41 }, |
| { -540, -25 }, |
| { -530, -17 }, |
| { -520, -11 }, |
| { -500, 1 }, |
| { -490, 6 }, |
| { -480, 10 }, |
| { -440, 22 }, |
| { -420, 27 }, |
| { -400, 31 }, |
| { -380, 34 }, |
| { -340, 40 }, |
| { -320, 43 }, |
| { -280, 48 }, |
| { -250, 52 }, |
| { -230, 55 }, |
| { -180, 61 }, |
| { -140, 66 }, |
| { -90, 73 }, |
| { -80, 74 }, |
| { 500, 127 } |
| }; |
| |
| /* DVB-S2 IF_AGC_GAIN vs. signal level in dBm/10. |
| * As measured, connected to a modulator. |
| * -8.0 to -50.1 dBm directly connected, |
| * -53.0 to -76.6 with extra attenuation. |
| * Cut-off to IF_AGC_GAIN = 0x3fff below -76.6dBm. |
| * Crude linear extrapolation below -76.6dBm and above -8.0dBm. |
| */ |
| static const struct stb0899_tab stb0899_dvbs2rf_tab[] = { |
| { 700, 0 }, |
| { -80, 3217 }, |
| { -150, 3893 }, |
| { -190, 4217 }, |
| { -240, 4621 }, |
| { -280, 4945 }, |
| { -320, 5273 }, |
| { -350, 5545 }, |
| { -370, 5741 }, |
| { -410, 6147 }, |
| { -450, 6671 }, |
| { -490, 7413 }, |
| { -501, 7665 }, |
| { -530, 8767 }, |
| { -560, 10219 }, |
| { -580, 10939 }, |
| { -590, 11518 }, |
| { -600, 11723 }, |
| { -650, 12659 }, |
| { -690, 13219 }, |
| { -730, 13645 }, |
| { -750, 13909 }, |
| { -766, 14153 }, |
| { -999, 16383 } |
| }; |
| |
| /* DVB-S2 Es/N0 quant in dB/100 vs read value * 100*/ |
| struct stb0899_tab stb0899_quant_tab[] = { |
| { 0, 0 }, |
| { 0, 100 }, |
| { 600, 200 }, |
| { 950, 299 }, |
| { 1200, 398 }, |
| { 1400, 501 }, |
| { 1560, 603 }, |
| { 1690, 700 }, |
| { 1810, 804 }, |
| { 1910, 902 }, |
| { 2000, 1000 }, |
| { 2080, 1096 }, |
| { 2160, 1202 }, |
| { 2230, 1303 }, |
| { 2350, 1496 }, |
| { 2410, 1603 }, |
| { 2460, 1698 }, |
| { 2510, 1799 }, |
| { 2600, 1995 }, |
| { 2650, 2113 }, |
| { 2690, 2213 }, |
| { 2720, 2291 }, |
| { 2760, 2399 }, |
| { 2800, 2512 }, |
| { 2860, 2692 }, |
| { 2930, 2917 }, |
| { 2960, 3020 }, |
| { 3010, 3199 }, |
| { 3040, 3311 }, |
| { 3060, 3388 }, |
| { 3120, 3631 }, |
| { 3190, 3936 }, |
| { 3400, 5012 }, |
| { 3610, 6383 }, |
| { 3800, 7943 }, |
| { 4210, 12735 }, |
| { 4500, 17783 }, |
| { 4690, 22131 }, |
| { 4810, 25410 } |
| }; |
| |
| /* DVB-S2 Es/N0 estimate in dB/100 vs read value */ |
| struct stb0899_tab stb0899_est_tab[] = { |
| { 0, 0 }, |
| { 0, 1 }, |
| { 301, 2 }, |
| { 1204, 16 }, |
| { 1806, 64 }, |
| { 2408, 256 }, |
| { 2709, 512 }, |
| { 3010, 1023 }, |
| { 3311, 2046 }, |
| { 3612, 4093 }, |
| { 3823, 6653 }, |
| { 3913, 8185 }, |
| { 4010, 10233 }, |
| { 4107, 12794 }, |
| { 4214, 16368 }, |
| { 4266, 18450 }, |
| { 4311, 20464 }, |
| { 4353, 22542 }, |
| { 4391, 24604 }, |
| { 4425, 26607 }, |
| { 4457, 28642 }, |
| { 4487, 30690 }, |
| { 4515, 32734 }, |
| { 4612, 40926 }, |
| { 4692, 49204 }, |
| { 4816, 65464 }, |
| { 4913, 81846 }, |
| { 4993, 98401 }, |
| { 5060, 114815 }, |
| { 5118, 131220 }, |
| { 5200, 158489 }, |
| { 5300, 199526 }, |
| { 5400, 251189 }, |
| { 5500, 316228 }, |
| { 5600, 398107 }, |
| { 5720, 524807 }, |
| { 5721, 526017 }, |
| }; |
| |
| int _stb0899_read_reg(struct stb0899_state *state, unsigned int reg) |
| { |
| int ret; |
| |
| u8 b0[] = { reg >> 8, reg & 0xff }; |
| u8 buf; |
| |
| struct i2c_msg msg[] = { |
| { |
| .addr = state->config->demod_address, |
| .flags = 0, |
| .buf = b0, |
| .len = 2 |
| },{ |
| .addr = state->config->demod_address, |
| .flags = I2C_M_RD, |
| .buf = &buf, |
| .len = 1 |
| } |
| }; |
| |
| ret = i2c_transfer(state->i2c, msg, 2); |
| if (ret != 2) { |
| if (ret != -ERESTARTSYS) |
| dprintk(state->verbose, FE_ERROR, 1, |
| "Read error, Reg=[0x%02x], Status=%d", |
| reg, ret); |
| |
| return ret < 0 ? ret : -EREMOTEIO; |
| } |
| if (unlikely(*state->verbose >= FE_DEBUGREG)) |
| dprintk(state->verbose, FE_ERROR, 1, "Reg=[0x%02x], data=%02x", |
| reg, buf); |
| |
| return (unsigned int)buf; |
| } |
| |
| int stb0899_read_reg(struct stb0899_state *state, unsigned int reg) |
| { |
| int result; |
| |
| result = _stb0899_read_reg(state, reg); |
| /* |
| * Bug ID 9: |
| * access to 0xf2xx/0xf6xx |
| * must be followed by read from 0xf2ff/0xf6ff. |
| */ |
| if ((reg != 0xf2ff) && (reg != 0xf6ff) && |
| (((reg & 0xff00) == 0xf200) || ((reg & 0xff00) == 0xf600))) |
| _stb0899_read_reg(state, (reg | 0x00ff)); |
| |
| return result; |
| } |
| |
| u32 _stb0899_read_s2reg(struct stb0899_state *state, |
| u32 stb0899_i2cdev, |
| u32 stb0899_base_addr, |
| u16 stb0899_reg_offset) |
| { |
| int status; |
| u32 data; |
| u8 buf[7] = { 0 }; |
| u16 tmpaddr; |
| |
| u8 buf_0[] = { |
| GETBYTE(stb0899_i2cdev, BYTE1), /* 0xf3 S2 Base Address (MSB) */ |
| GETBYTE(stb0899_i2cdev, BYTE0), /* 0xfc S2 Base Address (LSB) */ |
| GETBYTE(stb0899_base_addr, BYTE0), /* 0x00 Base Address (LSB) */ |
| GETBYTE(stb0899_base_addr, BYTE1), /* 0x04 Base Address (LSB) */ |
| GETBYTE(stb0899_base_addr, BYTE2), /* 0x00 Base Address (MSB) */ |
| GETBYTE(stb0899_base_addr, BYTE3), /* 0x00 Base Address (MSB) */ |
| }; |
| u8 buf_1[] = { |
| 0x00, /* 0xf3 Reg Offset */ |
| 0x00, /* 0x44 Reg Offset */ |
| }; |
| |
| struct i2c_msg msg_0 = { |
| .addr = state->config->demod_address, |
| .flags = 0, |
| .buf = buf_0, |
| .len = 6 |
| }; |
| |
| struct i2c_msg msg_1 = { |
| .addr = state->config->demod_address, |
| .flags = 0, |
| .buf = buf_1, |
| .len = 2 |
| }; |
| |
| struct i2c_msg msg_r = { |
| .addr = state->config->demod_address, |
| .flags = I2C_M_RD, |
| .buf = buf, |
| .len = 4 |
| }; |
| |
| tmpaddr = stb0899_reg_offset & 0xff00; |
| if (!(stb0899_reg_offset & 0x8)) |
| tmpaddr = stb0899_reg_offset | 0x20; |
| |
| buf_1[0] = GETBYTE(tmpaddr, BYTE1); |
| buf_1[1] = GETBYTE(tmpaddr, BYTE0); |
| |
| status = i2c_transfer(state->i2c, &msg_0, 1); |
| if (status < 1) { |
| if (status != -ERESTARTSYS) |
| printk(KERN_ERR "%s ERR(1), Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Status=%d\n", |
| __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, status); |
| |
| goto err; |
| } |
| |
| /* Dummy */ |
| status = i2c_transfer(state->i2c, &msg_1, 1); |
| if (status < 1) |
| goto err; |
| |
| status = i2c_transfer(state->i2c, &msg_r, 1); |
| if (status < 1) |
| goto err; |
| |
| buf_1[0] = GETBYTE(stb0899_reg_offset, BYTE1); |
| buf_1[1] = GETBYTE(stb0899_reg_offset, BYTE0); |
| |
| /* Actual */ |
| status = i2c_transfer(state->i2c, &msg_1, 1); |
| if (status < 1) { |
| if (status != -ERESTARTSYS) |
| printk(KERN_ERR "%s ERR(2), Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Status=%d\n", |
| __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, status); |
| goto err; |
| } |
| |
| status = i2c_transfer(state->i2c, &msg_r, 1); |
| if (status < 1) { |
| if (status != -ERESTARTSYS) |
| printk(KERN_ERR "%s ERR(3), Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Status=%d\n", |
| __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, status); |
| return status < 0 ? status : -EREMOTEIO; |
| } |
| |
| data = MAKEWORD32(buf[3], buf[2], buf[1], buf[0]); |
| if (unlikely(*state->verbose >= FE_DEBUGREG)) |
| printk(KERN_DEBUG "%s Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Data=[0x%08x]\n", |
| __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, data); |
| |
| return data; |
| |
| err: |
| return status < 0 ? status : -EREMOTEIO; |
| } |
| |
| int stb0899_write_s2reg(struct stb0899_state *state, |
| u32 stb0899_i2cdev, |
| u32 stb0899_base_addr, |
| u16 stb0899_reg_offset, |
| u32 stb0899_data) |
| { |
| int status; |
| |
| /* Base Address Setup */ |
| u8 buf_0[] = { |
| GETBYTE(stb0899_i2cdev, BYTE1), /* 0xf3 S2 Base Address (MSB) */ |
| GETBYTE(stb0899_i2cdev, BYTE0), /* 0xfc S2 Base Address (LSB) */ |
| GETBYTE(stb0899_base_addr, BYTE0), /* 0x00 Base Address (LSB) */ |
| GETBYTE(stb0899_base_addr, BYTE1), /* 0x04 Base Address (LSB) */ |
| GETBYTE(stb0899_base_addr, BYTE2), /* 0x00 Base Address (MSB) */ |
| GETBYTE(stb0899_base_addr, BYTE3), /* 0x00 Base Address (MSB) */ |
| }; |
| u8 buf_1[] = { |
| 0x00, /* 0xf3 Reg Offset */ |
| 0x00, /* 0x44 Reg Offset */ |
| 0x00, /* data */ |
| 0x00, /* data */ |
| 0x00, /* data */ |
| 0x00, /* data */ |
| }; |
| |
| struct i2c_msg msg_0 = { |
| .addr = state->config->demod_address, |
| .flags = 0, |
| .buf = buf_0, |
| .len = 6 |
| }; |
| |
| struct i2c_msg msg_1 = { |
| .addr = state->config->demod_address, |
| .flags = 0, |
| .buf = buf_1, |
| .len = 6 |
| }; |
| |
| buf_1[0] = GETBYTE(stb0899_reg_offset, BYTE1); |
| buf_1[1] = GETBYTE(stb0899_reg_offset, BYTE0); |
| buf_1[2] = GETBYTE(stb0899_data, BYTE0); |
| buf_1[3] = GETBYTE(stb0899_data, BYTE1); |
| buf_1[4] = GETBYTE(stb0899_data, BYTE2); |
| buf_1[5] = GETBYTE(stb0899_data, BYTE3); |
| |
| if (unlikely(*state->verbose >= FE_DEBUGREG)) |
| printk(KERN_DEBUG "%s Device=[0x%04x], Base Address=[0x%08x], Offset=[0x%04x], Data=[0x%08x]\n", |
| __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, stb0899_data); |
| |
| status = i2c_transfer(state->i2c, &msg_0, 1); |
| if (unlikely(status < 1)) { |
| if (status != -ERESTARTSYS) |
| printk(KERN_ERR "%s ERR (1), Device=[0x%04x], Base Address=[0x%08x], Offset=[0x%04x], Data=[0x%08x], status=%d\n", |
| __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, stb0899_data, status); |
| goto err; |
| } |
| status = i2c_transfer(state->i2c, &msg_1, 1); |
| if (unlikely(status < 1)) { |
| if (status != -ERESTARTSYS) |
| printk(KERN_ERR "%s ERR (2), Device=[0x%04x], Base Address=[0x%08x], Offset=[0x%04x], Data=[0x%08x], status=%d\n", |
| __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, stb0899_data, status); |
| |
| return status < 0 ? status : -EREMOTEIO; |
| } |
| |
| return 0; |
| |
| err: |
| return status < 0 ? status : -EREMOTEIO; |
| } |
| |
| int stb0899_read_regs(struct stb0899_state *state, unsigned int reg, u8 *buf, u32 count) |
| { |
| int status; |
| |
| u8 b0[] = { reg >> 8, reg & 0xff }; |
| |
| struct i2c_msg msg[] = { |
| { |
| .addr = state->config->demod_address, |
| .flags = 0, |
| .buf = b0, |
| .len = 2 |
| },{ |
| .addr = state->config->demod_address, |
| .flags = I2C_M_RD, |
| .buf = buf, |
| .len = count |
| } |
| }; |
| |
| status = i2c_transfer(state->i2c, msg, 2); |
| if (status != 2) { |
| if (status != -ERESTARTSYS) |
| printk(KERN_ERR "%s Read error, Reg=[0x%04x], Count=%u, Status=%d\n", |
| __func__, reg, count, status); |
| goto err; |
| } |
| /* |
| * Bug ID 9: |
| * access to 0xf2xx/0xf6xx |
| * must be followed by read from 0xf2ff/0xf6ff. |
| */ |
| if ((reg != 0xf2ff) && (reg != 0xf6ff) && |
| (((reg & 0xff00) == 0xf200) || ((reg & 0xff00) == 0xf600))) |
| _stb0899_read_reg(state, (reg | 0x00ff)); |
| |
| if (unlikely(*state->verbose >= FE_DEBUGREG)) { |
| int i; |
| |
| printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg); |
| for (i = 0; i < count; i++) { |
| printk(" %02x", buf[i]); |
| } |
| printk("\n"); |
| } |
| |
| return 0; |
| err: |
| return status < 0 ? status : -EREMOTEIO; |
| } |
| |
| int stb0899_write_regs(struct stb0899_state *state, unsigned int reg, u8 *data, u32 count) |
| { |
| int ret; |
| u8 buf[2 + count]; |
| struct i2c_msg i2c_msg = { |
| .addr = state->config->demod_address, |
| .flags = 0, |
| .buf = buf, |
| .len = 2 + count |
| }; |
| |
| buf[0] = reg >> 8; |
| buf[1] = reg & 0xff; |
| memcpy(&buf[2], data, count); |
| |
| if (unlikely(*state->verbose >= FE_DEBUGREG)) { |
| int i; |
| |
| printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg); |
| for (i = 0; i < count; i++) |
| printk(" %02x", data[i]); |
| printk("\n"); |
| } |
| ret = i2c_transfer(state->i2c, &i2c_msg, 1); |
| |
| /* |
| * Bug ID 9: |
| * access to 0xf2xx/0xf6xx |
| * must be followed by read from 0xf2ff/0xf6ff. |
| */ |
| if ((((reg & 0xff00) == 0xf200) || ((reg & 0xff00) == 0xf600))) |
| stb0899_read_reg(state, (reg | 0x00ff)); |
| |
| if (ret != 1) { |
| if (ret != -ERESTARTSYS) |
| dprintk(state->verbose, FE_ERROR, 1, "Reg=[0x%04x], Data=[0x%02x ...], Count=%u, Status=%d", |
| reg, data[0], count, ret); |
| return ret < 0 ? ret : -EREMOTEIO; |
| } |
| |
| return 0; |
| } |
| |
| int stb0899_write_reg(struct stb0899_state *state, unsigned int reg, u8 data) |
| { |
| return stb0899_write_regs(state, reg, &data, 1); |
| } |
| |
| /* |
| * stb0899_get_mclk |
| * Get STB0899 master clock frequency |
| * ExtClk: external clock frequency (Hz) |
| */ |
| static u32 stb0899_get_mclk(struct stb0899_state *state) |
| { |
| u32 mclk = 0, div = 0; |
| |
| div = stb0899_read_reg(state, STB0899_NCOARSE); |
| mclk = (div + 1) * state->config->xtal_freq / 6; |
| dprintk(state->verbose, FE_DEBUG, 1, "div=%d, mclk=%d", div, mclk); |
| |
| return mclk; |
| } |
| |
| /* |
| * stb0899_set_mclk |
| * Set STB0899 master Clock frequency |
| * Mclk: demodulator master clock |
| * ExtClk: external clock frequency (Hz) |
| */ |
| static void stb0899_set_mclk(struct stb0899_state *state, u32 Mclk) |
| { |
| struct stb0899_internal *internal = &state->internal; |
| u8 mdiv = 0; |
| |
| dprintk(state->verbose, FE_DEBUG, 1, "state->config=%p", state->config); |
| mdiv = ((6 * Mclk) / state->config->xtal_freq) - 1; |
| dprintk(state->verbose, FE_DEBUG, 1, "mdiv=%d", mdiv); |
| |
| stb0899_write_reg(state, STB0899_NCOARSE, mdiv); |
| internal->master_clk = stb0899_get_mclk(state); |
| |
| dprintk(state->verbose, FE_DEBUG, 1, "MasterCLOCK=%d", internal->master_clk); |
| } |
| |
| static int stb0899_postproc(struct stb0899_state *state, u8 ctl, int enable) |
| { |
| struct stb0899_config *config = state->config; |
| const struct stb0899_postproc *postproc = config->postproc; |
| |
| /* post process event */ |
| if (postproc) { |
| if (enable) { |
| if (postproc[ctl].level == STB0899_GPIOPULLUP) |
| stb0899_write_reg(state, postproc[ctl].gpio, 0x02); |
| else |
| stb0899_write_reg(state, postproc[ctl].gpio, 0x82); |
| } else { |
| if (postproc[ctl].level == STB0899_GPIOPULLUP) |
| stb0899_write_reg(state, postproc[ctl].gpio, 0x82); |
| else |
| stb0899_write_reg(state, postproc[ctl].gpio, 0x02); |
| } |
| } |
| return 0; |
| } |
| |
| static void stb0899_release(struct dvb_frontend *fe) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| |
| dprintk(state->verbose, FE_DEBUG, 1, "Release Frontend"); |
| /* post process event */ |
| stb0899_postproc(state, STB0899_POSTPROC_GPIO_POWER, 0); |
| kfree(state); |
| } |
| |
| /* |
| * stb0899_get_alpha |
| * return: rolloff |
| */ |
| static int stb0899_get_alpha(struct stb0899_state *state) |
| { |
| u8 mode_coeff; |
| |
| mode_coeff = stb0899_read_reg(state, STB0899_DEMOD); |
| |
| if (STB0899_GETFIELD(MODECOEFF, mode_coeff) == 1) |
| return 20; |
| else |
| return 35; |
| } |
| |
| /* |
| * stb0899_init_calc |
| */ |
| static void stb0899_init_calc(struct stb0899_state *state) |
| { |
| struct stb0899_internal *internal = &state->internal; |
| int master_clk; |
| u8 agc[2]; |
| u8 agc1cn; |
| u32 reg; |
| |
| /* Read registers (in burst mode) */ |
| agc1cn = stb0899_read_reg(state, STB0899_AGC1CN); |
| stb0899_read_regs(state, STB0899_AGC1REF, agc, 2); /* AGC1R and AGC2O */ |
| |
| /* Initial calculations */ |
| master_clk = stb0899_get_mclk(state); |
| internal->t_agc1 = 0; |
| internal->t_agc2 = 0; |
| internal->master_clk = master_clk; |
| internal->mclk = master_clk / 65536L; |
| internal->rolloff = stb0899_get_alpha(state); |
| |
| /* DVBS2 Initial calculations */ |
| /* Set AGC value to the middle */ |
| internal->agc_gain = 8154; |
| reg = STB0899_READ_S2REG(STB0899_S2DEMOD, IF_AGC_CNTRL); |
| STB0899_SETFIELD_VAL(IF_GAIN_INIT, reg, internal->agc_gain); |
| stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_IF_AGC_CNTRL, STB0899_OFF0_IF_AGC_CNTRL, reg); |
| |
| reg = STB0899_READ_S2REG(STB0899_S2DEMOD, RRC_ALPHA); |
| internal->rrc_alpha = STB0899_GETFIELD(RRC_ALPHA, reg); |
| |
| internal->center_freq = 0; |
| internal->av_frame_coarse = 10; |
| internal->av_frame_fine = 20; |
| internal->step_size = 2; |
| /* |
| if ((pParams->SpectralInv == FE_IQ_NORMAL) || (pParams->SpectralInv == FE_IQ_AUTO)) |
| pParams->IQLocked = 0; |
| else |
| pParams->IQLocked = 1; |
| */ |
| } |
| |
| static int stb0899_wait_diseqc_fifo_empty(struct stb0899_state *state, int timeout) |
| { |
| u8 reg = 0; |
| unsigned long start = jiffies; |
| |
| while (1) { |
| reg = stb0899_read_reg(state, STB0899_DISSTATUS); |
| if (!STB0899_GETFIELD(FIFOFULL, reg)) |
| break; |
| if ((jiffies - start) > timeout) { |
| dprintk(state->verbose, FE_ERROR, 1, "timed out !!"); |
| return -ETIMEDOUT; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int stb0899_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| u8 reg, i; |
| |
| if (cmd->msg_len > 8) |
| return -EINVAL; |
| |
| /* enable FIFO precharge */ |
| reg = stb0899_read_reg(state, STB0899_DISCNTRL1); |
| STB0899_SETFIELD_VAL(DISPRECHARGE, reg, 1); |
| stb0899_write_reg(state, STB0899_DISCNTRL1, reg); |
| for (i = 0; i < cmd->msg_len; i++) { |
| /* wait for FIFO empty */ |
| if (stb0899_wait_diseqc_fifo_empty(state, 10) < 0) |
| return -ETIMEDOUT; |
| |
| stb0899_write_reg(state, STB0899_DISFIFO, cmd->msg[i]); |
| } |
| reg = stb0899_read_reg(state, STB0899_DISCNTRL1); |
| STB0899_SETFIELD_VAL(DISPRECHARGE, reg, 0); |
| stb0899_write_reg(state, STB0899_DISCNTRL1, reg); |
| |
| return 0; |
| } |
| |
| static int stb0899_wait_diseqc_rxidle(struct stb0899_state *state, int timeout) |
| { |
| u8 reg = 0; |
| unsigned long start = jiffies; |
| |
| while (!STB0899_GETFIELD(RXEND, reg)) { |
| reg = stb0899_read_reg(state, STB0899_DISRX_ST0); |
| if (jiffies - start > timeout) { |
| dprintk(state->verbose, FE_ERROR, 1, "timed out!!"); |
| return -ETIMEDOUT; |
| } |
| msleep(10); |
| } |
| |
| return 0; |
| } |
| |
| static int stb0899_recv_slave_reply(struct dvb_frontend *fe, struct dvb_diseqc_slave_reply *reply) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| u8 reg, length = 0, i; |
| int result; |
| |
| if (stb0899_wait_diseqc_rxidle(state, 100) < 0) |
| return -ETIMEDOUT; |
| |
| reg = stb0899_read_reg(state, STB0899_DISRX_ST0); |
| if (STB0899_GETFIELD(RXEND, reg)) { |
| |
| reg = stb0899_read_reg(state, STB0899_DISRX_ST1); |
| length = STB0899_GETFIELD(FIFOBYTENBR, reg); |
| |
| if (length > sizeof (reply->msg)) { |
| result = -EOVERFLOW; |
| goto exit; |
| } |
| reply->msg_len = length; |
| |
| /* extract data */ |
| for (i = 0; i < length; i++) |
| reply->msg[i] = stb0899_read_reg(state, STB0899_DISFIFO); |
| } |
| |
| return 0; |
| exit: |
| |
| return result; |
| } |
| |
| static int stb0899_wait_diseqc_txidle(struct stb0899_state *state, int timeout) |
| { |
| u8 reg = 0; |
| unsigned long start = jiffies; |
| |
| while (!STB0899_GETFIELD(TXIDLE, reg)) { |
| reg = stb0899_read_reg(state, STB0899_DISSTATUS); |
| if (jiffies - start > timeout) { |
| dprintk(state->verbose, FE_ERROR, 1, "timed out!!"); |
| return -ETIMEDOUT; |
| } |
| msleep(10); |
| } |
| return 0; |
| } |
| |
| static int stb0899_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| u8 reg, old_state; |
| |
| /* wait for diseqc idle */ |
| if (stb0899_wait_diseqc_txidle(state, 100) < 0) |
| return -ETIMEDOUT; |
| |
| reg = stb0899_read_reg(state, STB0899_DISCNTRL1); |
| old_state = reg; |
| /* set to burst mode */ |
| STB0899_SETFIELD_VAL(DISEQCMODE, reg, 0x02); |
| STB0899_SETFIELD_VAL(DISPRECHARGE, reg, 0x01); |
| stb0899_write_reg(state, STB0899_DISCNTRL1, reg); |
| switch (burst) { |
| case SEC_MINI_A: |
| /* unmodulated */ |
| stb0899_write_reg(state, STB0899_DISFIFO, 0x00); |
| break; |
| case SEC_MINI_B: |
| /* modulated */ |
| stb0899_write_reg(state, STB0899_DISFIFO, 0xff); |
| break; |
| } |
| reg = stb0899_read_reg(state, STB0899_DISCNTRL1); |
| STB0899_SETFIELD_VAL(DISPRECHARGE, reg, 0x00); |
| stb0899_write_reg(state, STB0899_DISCNTRL1, reg); |
| /* wait for diseqc idle */ |
| if (stb0899_wait_diseqc_txidle(state, 100) < 0) |
| return -ETIMEDOUT; |
| |
| /* restore state */ |
| stb0899_write_reg(state, STB0899_DISCNTRL1, old_state); |
| |
| return 0; |
| } |
| |
| static int stb0899_diseqc_init(struct stb0899_state *state) |
| { |
| struct dvb_diseqc_master_cmd tx_data; |
| struct dvb_diseqc_slave_reply rx_data; |
| |
| u8 f22_tx, f22_rx, reg; |
| |
| u32 mclk, tx_freq = 22000, count = 0, i; |
| |
| u32 trial = 0; /* try max = 2 (try 20khz and 17.5 khz) */ |
| u32 ret_1 = 0; /* 20 Khz status */ |
| u32 ret_2 = 0; /* 17.5 Khz status */ |
| |
| tx_data.msg[0] = 0xe2; |
| tx_data.msg_len = 3; |
| reg = stb0899_read_reg(state, STB0899_DISCNTRL2); |
| STB0899_SETFIELD_VAL(ONECHIP_TRX, reg, 0); |
| stb0899_write_reg(state, STB0899_DISCNTRL2, reg); |
| |
| /* disable Tx spy */ |
| reg = stb0899_read_reg(state, STB0899_DISCNTRL1); |
| STB0899_SETFIELD_VAL(DISEQCRESET, reg, 1); |
| stb0899_write_reg(state, STB0899_DISCNTRL1, reg); |
| |
| reg = stb0899_read_reg(state, STB0899_DISCNTRL1); |
| STB0899_SETFIELD_VAL(DISEQCRESET, reg, 0); |
| stb0899_write_reg(state, STB0899_DISCNTRL1, reg); |
| |
| mclk = stb0899_get_mclk(state); |
| f22_tx = mclk / (tx_freq * 32); |
| stb0899_write_reg(state, STB0899_DISF22, f22_tx); /* DiSEqC Tx freq */ |
| state->rx_freq = 20000; |
| f22_rx = mclk / (state->rx_freq * 32); |
| |
| return 0; |
| } |
| |
| static int stb0899_sleep(struct dvb_frontend *fe) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| u8 reg; |
| |
| dprintk(state->verbose, FE_DEBUG, 1, "Going to Sleep .. (Really tired .. :-))"); |
| /* post process event */ |
| stb0899_postproc(state, STB0899_POSTPROC_GPIO_POWER, 0); |
| |
| return 0; |
| } |
| |
| static int stb0899_wakeup(struct dvb_frontend *fe) |
| { |
| int rc; |
| struct stb0899_state *state = fe->demodulator_priv; |
| |
| if ((rc = stb0899_write_reg(state, STB0899_SYNTCTRL, STB0899_SELOSCI))) |
| return rc; |
| /* Activate all clocks; DVB-S2 registers are inaccessible otherwise. */ |
| if ((rc = stb0899_write_reg(state, STB0899_STOPCLK1, 0x00))) |
| return rc; |
| if ((rc = stb0899_write_reg(state, STB0899_STOPCLK2, 0x00))) |
| return rc; |
| |
| /* post process event */ |
| stb0899_postproc(state, STB0899_POSTPROC_GPIO_POWER, 1); |
| |
| return 0; |
| } |
| |
| static int stb0899_init(struct dvb_frontend *fe) |
| { |
| int i; |
| struct stb0899_state *state = fe->demodulator_priv; |
| struct stb0899_config *config = state->config; |
| |
| dprintk(state->verbose, FE_DEBUG, 1, "Initializing STB0899 ... "); |
| // mutex_init(&state->search_lock); |
| |
| /* init device */ |
| dprintk(state->verbose, FE_DEBUG, 1, "init device"); |
| for (i = 0; config->init_dev[i].address != 0xffff; i++) |
| stb0899_write_reg(state, config->init_dev[i].address, config->init_dev[i].data); |
| |
| dprintk(state->verbose, FE_DEBUG, 1, "init S2 demod"); |
| /* init S2 demod */ |
| for (i = 0; config->init_s2_demod[i].offset != 0xffff; i++) |
| stb0899_write_s2reg(state, STB0899_S2DEMOD, |
| config->init_s2_demod[i].base_address, |
| config->init_s2_demod[i].offset, |
| config->init_s2_demod[i].data); |
| |
| dprintk(state->verbose, FE_DEBUG, 1, "init S1 demod"); |
| /* init S1 demod */ |
| for (i = 0; config->init_s1_demod[i].address != 0xffff; i++) |
| stb0899_write_reg(state, config->init_s1_demod[i].address, config->init_s1_demod[i].data); |
| |
| dprintk(state->verbose, FE_DEBUG, 1, "init S2 FEC"); |
| /* init S2 fec */ |
| for (i = 0; config->init_s2_fec[i].offset != 0xffff; i++) |
| stb0899_write_s2reg(state, STB0899_S2FEC, |
| config->init_s2_fec[i].base_address, |
| config->init_s2_fec[i].offset, |
| config->init_s2_fec[i].data); |
| |
| dprintk(state->verbose, FE_DEBUG, 1, "init TST"); |
| /* init test */ |
| for (i = 0; config->init_tst[i].address != 0xffff; i++) |
| stb0899_write_reg(state, config->init_tst[i].address, config->init_tst[i].data); |
| |
| stb0899_init_calc(state); |
| stb0899_diseqc_init(state); |
| |
| return 0; |
| } |
| |
| static int stb0899_table_lookup(const struct stb0899_tab *tab, int max, int val) |
| { |
| int res = 0; |
| int min = 0, med; |
| |
| if (val < tab[min].read) |
| res = tab[min].real; |
| else if (val >= tab[max].read) |
| res = tab[max].real; |
| else { |
| while ((max - min) > 1) { |
| med = (max + min) / 2; |
| if (val >= tab[min].read && val < tab[med].read) |
| max = med; |
| else |
| min = med; |
| } |
| res = ((val - tab[min].read) * |
| (tab[max].real - tab[min].real) / |
| (tab[max].read - tab[min].read)) + |
| tab[min].real; |
| } |
| |
| return res; |
| } |
| |
| static int stb0899_read_signal_strength(struct dvb_frontend *fe, u16 *strength) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| struct stb0899_internal *internal = &state->internal; |
| |
| int val; |
| u32 reg; |
| switch (state->delsys) { |
| case DVBFE_DELSYS_DVBS: |
| case DVBFE_DELSYS_DSS: |
| if (internal->lock) { |
| reg = stb0899_read_reg(state, STB0899_VSTATUS); |
| if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT, reg)) { |
| |
| reg = stb0899_read_reg(state, STB0899_AGCIQIN); |
| val = (s32)(s8)STB0899_GETFIELD(AGCIQVALUE, reg); |
| |
| *strength = stb0899_table_lookup(stb0899_dvbsrf_tab, ARRAY_SIZE(stb0899_dvbsrf_tab) - 1, val); |
| *strength += 750; |
| dprintk(state->verbose, FE_DEBUG, 1, "AGCIQVALUE = 0x%02x, C = %d * 0.1 dBm", |
| val & 0xff, *strength); |
| } |
| } |
| break; |
| case DVBFE_DELSYS_DVBS2: |
| if (internal->lock) { |
| reg = STB0899_READ_S2REG(STB0899_DEMOD, IF_AGC_GAIN); |
| val = STB0899_GETFIELD(IF_AGC_GAIN, reg); |
| |
| *strength = stb0899_table_lookup(stb0899_dvbs2rf_tab, ARRAY_SIZE(stb0899_dvbs2rf_tab) - 1, val); |
| *strength += 750; |
| dprintk(state->verbose, FE_DEBUG, 1, "IF_AGC_GAIN = 0x%04x, C = %d * 0.1 dBm", |
| val & 0x3fff, *strength); |
| } |
| break; |
| default: |
| dprintk(state->verbose, FE_DEBUG, 1, "Unsupported delivery system"); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int stb0899_read_snr(struct dvb_frontend *fe, u16 *snr) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| struct stb0899_internal *internal = &state->internal; |
| |
| unsigned int val, quant, quantn = -1, est, estn = -1; |
| u8 buf[2]; |
| u32 reg; |
| |
| reg = stb0899_read_reg(state, STB0899_VSTATUS); |
| switch (state->delsys) { |
| case DVBFE_DELSYS_DVBS: |
| case DVBFE_DELSYS_DSS: |
| if (internal->lock) { |
| if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT, reg)) { |
| |
| stb0899_read_regs(state, STB0899_NIRM, buf, 2); |
| val = MAKEWORD16(buf[0], buf[1]); |
| |
| *snr = stb0899_table_lookup(stb0899_cn_tab, ARRAY_SIZE(stb0899_cn_tab) - 1, val); |
| dprintk(state->verbose, FE_DEBUG, 1, "NIR = 0x%02x%02x = %u, C/N = %d * 0.1 dBm\n", |
| buf[0], buf[1], val, *snr); |
| } |
| } |
| break; |
| case DVBFE_DELSYS_DVBS2: |
| if (internal->lock) { |
| reg = STB0899_READ_S2REG(STB0899_S2DEMOD, UWP_CNTRL1); |
| quant = STB0899_GETFIELD(UWP_ESN0_QUANT, reg); |
| reg = STB0899_READ_S2REG(STB0899_S2DEMOD, UWP_STAT2); |
| est = STB0899_GETFIELD(ESN0_EST, reg); |
| if (est == 1) |
| val = 301; /* C/N = 30.1 dB */ |
| else if (est == 2) |
| val = 270; /* C/N = 27.0 dB */ |
| else { |
| /* quantn = 100 * log(quant^2) */ |
| quantn = stb0899_table_lookup(stb0899_quant_tab, ARRAY_SIZE(stb0899_quant_tab) - 1, quant * 100); |
| /* estn = 100 * log(est) */ |
| estn = stb0899_table_lookup(stb0899_est_tab, ARRAY_SIZE(stb0899_est_tab) - 1, est); |
| /* snr(dBm/10) = -10*(log(est)-log(quant^2)) => snr(dBm/10) = (100*log(quant^2)-100*log(est))/10 */ |
| val = (quantn - estn) / 10; |
| } |
| *snr = val; |
| dprintk(state->verbose, FE_DEBUG, 1, "Es/N0 quant = %d (%d) estimate = %u (%d), C/N = %d * 0.1 dBm", |
| quant, quantn, est, estn, val); |
| } |
| break; |
| default: |
| dprintk(state->verbose, FE_DEBUG, 1, "Unsupported delivery system"); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int stb0899_read_status(struct dvb_frontend *fe, enum fe_status *status) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| struct stb0899_internal *internal = &state->internal; |
| u8 reg; |
| *status = 0; |
| |
| switch (state->delsys) { |
| case DVBFE_DELSYS_DVBS: |
| case DVBFE_DELSYS_DSS: |
| dprintk(state->verbose, FE_DEBUG, 1, "Delivery system DVB-S/DSS"); |
| if (internal->lock) { |
| reg = stb0899_read_reg(state, STB0899_VSTATUS); |
| if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT, reg)) { |
| dprintk(state->verbose, FE_DEBUG, 1, "--------> FE_HAS_CARRIER | FE_HAS_LOCK"); |
| *status |= FE_HAS_CARRIER | FE_HAS_LOCK; |
| |
| reg = stb0899_read_reg(state, STB0899_PLPARM); |
| if (STB0899_GETFIELD(VITCURPUN, reg)) { |
| dprintk(state->verbose, FE_DEBUG, 1, "--------> FE_HAS_VITERBI | FE_HAS_SYNC"); |
| *status |= FE_HAS_VITERBI | FE_HAS_SYNC; |
| /* post process event */ |
| stb0899_postproc(state, STB0899_POSTPROC_GPIO_LOCK, 1); |
| } |
| } |
| } |
| break; |
| case DVBFE_DELSYS_DVBS2: |
| dprintk(state->verbose, FE_DEBUG, 1, "Delivery system DVB-S2"); |
| if (internal->lock) { |
| reg = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_STAT2); |
| if (STB0899_GETFIELD(UWP_LOCK, reg) && STB0899_GETFIELD(CSM_LOCK, reg)) { |
| *status |= FE_HAS_CARRIER; |
| dprintk(state->verbose, FE_DEBUG, 1, |
| "UWP & CSM Lock ! ---> DVB-S2 FE_HAS_CARRIER"); |
| |
| reg = stb0899_read_reg(state, STB0899_CFGPDELSTATUS1); |
| if (STB0899_GETFIELD(CFGPDELSTATUS_LOCK, reg)) { |
| *status |= FE_HAS_LOCK; |
| dprintk(state->verbose, FE_DEBUG, 1, |
| "Packet Delineator Locked ! -----> DVB-S2 FE_HAS_LOCK"); |
| |
| } |
| if (STB0899_GETFIELD(CONTINUOUS_STREAM, reg)) { |
| *status |= FE_HAS_VITERBI; |
| dprintk(state->verbose, FE_DEBUG, 1, |
| "Packet Delineator found VITERBI ! -----> DVB-S2 FE_HAS_VITERBI"); |
| } |
| if (STB0899_GETFIELD(ACCEPTED_STREAM, reg)) { |
| *status |= FE_HAS_SYNC; |
| dprintk(state->verbose, FE_DEBUG, 1, |
| "Packet Delineator found SYNC ! -----> DVB-S2 FE_HAS_SYNC"); |
| /* post process event */ |
| stb0899_postproc(state, STB0899_POSTPROC_GPIO_LOCK, 1); |
| } |
| } |
| } |
| break; |
| default: |
| dprintk(state->verbose, FE_DEBUG, 1, "Unsupported delivery system"); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| /* |
| * stb0899_get_error |
| * viterbi error for DVB-S/DSS |
| * packet error for DVB-S2 |
| * Bit Error Rate or Packet Error Rate * 10 ^ 7 |
| */ |
| static int stb0899_read_ber(struct dvb_frontend *fe, u32 *ber) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| struct stb0899_internal *internal = &state->internal; |
| |
| u8 lsb, msb; |
| u32 i; |
| |
| *ber = 0; |
| |
| switch (state->delsys) { |
| case DVBFE_DELSYS_DVBS: |
| case DVBFE_DELSYS_DSS: |
| if (internal->lock) { |
| /* average 5 BER values */ |
| for (i = 0; i < 5; i++) { |
| msleep(100); |
| lsb = stb0899_read_reg(state, STB0899_ECNT1L); |
| msb = stb0899_read_reg(state, STB0899_ECNT1M); |
| *ber += MAKEWORD16(msb, lsb); |
| } |
| *ber /= 5; |
| /* Viterbi Check */ |
| if (STB0899_GETFIELD(VSTATUS_PRFVIT, internal->v_status)) { |
| /* Error Rate */ |
| *ber *= 9766; |
| /* ber = ber * 10 ^ 7 */ |
| *ber /= (-1 + (1 << (2 * STB0899_GETFIELD(NOE, internal->err_ctrl)))); |
| *ber /= 8; |
| } |
| } |
| break; |
| case DVBFE_DELSYS_DVBS2: |
| if (internal->lock) { |
| /* Average 5 PER values */ |
| for (i = 0; i < 5; i++) { |
| msleep(100); |
| lsb = stb0899_read_reg(state, STB0899_ECNT1L); |
| msb = stb0899_read_reg(state, STB0899_ECNT1M); |
| *ber += MAKEWORD16(msb, lsb); |
| } |
| /* ber = ber * 10 ^ 7 */ |
| *ber *= 10000000; |
| *ber /= (-1 + (1 << (4 + 2 * STB0899_GETFIELD(NOE, internal->err_ctrl)))); |
| } |
| break; |
| default: |
| dprintk(state->verbose, FE_DEBUG, 1, "Unsupported delivery system"); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int stb0899_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| |
| switch (voltage) { |
| case SEC_VOLTAGE_13: |
| stb0899_write_reg(state, STB0899_GPIO00CFG, 0x82); |
| stb0899_write_reg(state, STB0899_GPIO01CFG, 0x02); |
| stb0899_write_reg(state, STB0899_GPIO02CFG, 0x00); |
| break; |
| case SEC_VOLTAGE_18: |
| stb0899_write_reg(state, STB0899_GPIO00CFG, 0x02); |
| stb0899_write_reg(state, STB0899_GPIO01CFG, 0x02); |
| stb0899_write_reg(state, STB0899_GPIO02CFG, 0x82); |
| break; |
| case SEC_VOLTAGE_OFF: |
| stb0899_write_reg(state, STB0899_GPIO00CFG, 0x82); |
| stb0899_write_reg(state, STB0899_GPIO01CFG, 0x82); |
| stb0899_write_reg(state, STB0899_GPIO02CFG, 0x82); |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int stb0899_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| struct stb0899_internal *internal = &state->internal; |
| |
| u8 div, reg; |
| |
| /* wait for diseqc idle */ |
| if (stb0899_wait_diseqc_txidle(state, 100) < 0) |
| return -ETIMEDOUT; |
| |
| switch (tone) { |
| case SEC_TONE_ON: |
| div = (internal->master_clk / 100) / 5632; |
| div = (div + 5) / 10; |
| stb0899_write_reg(state, STB0899_DISEQCOCFG, 0x66); |
| reg = stb0899_read_reg(state, STB0899_ACRPRESC); |
| STB0899_SETFIELD_VAL(ACRPRESC, reg, 0x03); |
| stb0899_write_reg(state, STB0899_ACRPRESC, reg); |
| stb0899_write_reg(state, STB0899_ACRDIV1, div); |
| break; |
| case SEC_TONE_OFF: |
| stb0899_write_reg(state, STB0899_DISEQCOCFG, 0x20); |
| break; |
| default: |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| int stb0899_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) |
| { |
| int i2c_stat; |
| struct stb0899_state *state = fe->demodulator_priv; |
| |
| i2c_stat = stb0899_read_reg(state, STB0899_I2CRPT); |
| if (i2c_stat < 0) |
| goto err; |
| |
| if (enable) { |
| dprintk(state->verbose, FE_DEBUG, 1, "Enabling I2C Repeater ..."); |
| i2c_stat |= STB0899_I2CTON; |
| if (stb0899_write_reg(state, STB0899_I2CRPT, i2c_stat) < 0) |
| goto err; |
| } else { |
| dprintk(state->verbose, FE_DEBUG, 1, "Disabling I2C Repeater ..."); |
| i2c_stat &= ~STB0899_I2CTON; |
| if (stb0899_write_reg(state, STB0899_I2CRPT, i2c_stat) < 0) |
| goto err; |
| } |
| return 0; |
| err: |
| dprintk(state->verbose, FE_ERROR, 1, "I2C Repeater control failed"); |
| return -EREMOTEIO; |
| } |
| |
| |
| static inline void CONVERT32(u32 x, char *str) |
| { |
| *str++ = (x >> 24) & 0xff; |
| *str++ = (x >> 16) & 0xff; |
| *str++ = (x >> 8) & 0xff; |
| *str++ = (x >> 0) & 0xff; |
| *str = '\0'; |
| } |
| |
| int stb0899_get_dev_id(struct stb0899_state *state) |
| { |
| u8 chip_id, release; |
| u16 id; |
| u32 demod_ver = 0, fec_ver = 0; |
| char demod_str[5] = { 0 }; |
| char fec_str[5] = { 0 }; |
| |
| id = stb0899_read_reg(state, STB0899_DEV_ID); |
| dprintk(state->verbose, FE_DEBUG, 1, "ID reg=[0x%02x]", id); |
| chip_id = STB0899_GETFIELD(CHIP_ID, id); |
| release = STB0899_GETFIELD(CHIP_REL, id); |
| |
| dprintk(state->verbose, FE_ERROR, 1, "Device ID=[%d], Release=[%d]", |
| chip_id, release); |
| |
| CONVERT32(STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_CORE_ID), (char *)&demod_str); |
| |
| demod_ver = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_VERSION_ID); |
| dprintk(state->verbose, FE_ERROR, 1, "Demodulator Core ID=[%s], Version=[%d]", (char *) &demod_str, demod_ver); |
| CONVERT32(STB0899_READ_S2REG(STB0899_S2FEC, FEC_CORE_ID_REG), (char *)&fec_str); |
| fec_ver = STB0899_READ_S2REG(STB0899_S2FEC, FEC_VER_ID_REG); |
| if (! (chip_id > 0)) { |
| dprintk(state->verbose, FE_ERROR, 1, "couldn't find a STB 0899"); |
| |
| return -ENODEV; |
| } |
| dprintk(state->verbose, FE_ERROR, 1, "FEC Core ID=[%s], Version=[%d]", (char*) &fec_str, fec_ver); |
| |
| return 0; |
| } |
| |
| static const struct dvbfe_info dvbs_info = { |
| .name = "STB0899 DVB-S", |
| .delsys = { |
| .dvbs.modulation = DVBFE_MOD_QPSK, |
| .dvbs.fec = DVBFE_FEC_1_2 | DVBFE_FEC_2_3 | |
| DVBFE_FEC_3_4 | DVBFE_FEC_5_6 | |
| DVBFE_FEC_6_7 |
| }, |
| |
| .frequency_min = 950000, |
| .frequency_max = 2150000, |
| .frequency_step = 0, |
| .symbol_rate_min = 1000000, |
| .symbol_rate_max = 45000000, |
| .symbol_rate_tolerance = 0 |
| }; |
| |
| static const struct dvbfe_info dss_info = { |
| .name = "STB0899 DSS", |
| .delsys = { |
| .dss.modulation = DVBFE_MOD_BPSK | DVBFE_MOD_QPSK, |
| .dss.fec = DVBFE_FEC_1_2 | DVBFE_FEC_2_3 | |
| DVBFE_FEC_3_4 | DVBFE_FEC_5_6 | |
| DVBFE_FEC_6_7 |
| }, |
| |
| .frequency_min = 950000, |
| .frequency_max = 2150000, |
| .frequency_step = 0, |
| .symbol_rate_min = 1000000, |
| .symbol_rate_max = 45000000, |
| .symbol_rate_tolerance = 0 |
| }; |
| |
| static const struct dvbfe_info dvbs2_info = { |
| .name = "STB0899 DVB-S2", |
| .delsys = { |
| .dvbs2.modulation = DVBFE_MOD_QPSK | DVBFE_MOD_8PSK | |
| DVBFE_MOD_16APSK | DVBFE_MOD_32APSK, |
| |
| .dvbs2.fec = DVBFE_FEC_1_4 | DVBFE_FEC_1_3 | |
| DVBFE_FEC_2_5 | DVBFE_FEC_1_2 | |
| DVBFE_FEC_3_5 | DVBFE_FEC_2_3 | |
| DVBFE_FEC_3_4 | DVBFE_FEC_4_5 | |
| DVBFE_FEC_5_6 | DVBFE_FEC_8_9 | |
| DVBFE_FEC_9_10, |
| }, |
| |
| .frequency_min = 950000, |
| .frequency_max = 2150000, |
| .frequency_step = 0, |
| .symbol_rate_min = 1000000, |
| .symbol_rate_max = 45000000, |
| .symbol_rate_tolerance = 0 |
| }; |
| |
| static int stb0899_get_info(struct dvb_frontend *fe, struct dvbfe_info *fe_info) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| |
| dprintk(state->verbose, FE_DEBUG, 1, "Get Info"); |
| |
| switch (state->delsys) { |
| case DVBFE_DELSYS_DVBS: |
| dprintk(state->verbose, FE_ERROR, 1, "Querying DVB-S info"); |
| memcpy(fe_info, &dvbs_info, sizeof (struct dvbfe_info)); |
| break; |
| case DVBFE_DELSYS_DSS: |
| dprintk(state->verbose, FE_ERROR, 1, "Querying DSS info"); |
| memcpy(fe_info, &dss_info, sizeof (struct dvbfe_info)); |
| break; |
| case DVBFE_DELSYS_DVBS2: |
| dprintk(state->verbose, FE_ERROR, 1, "Querying DVB-S2 info"); |
| memcpy(fe_info, &dvbs2_info, sizeof (struct dvbfe_info)); |
| break; |
| default: |
| dprintk(state->verbose, FE_ERROR, 1, "Unsupported delivery system"); |
| return -EINVAL; |
| } |
| dprintk(state->verbose, FE_DEBUG, 1, "delivery system=%d", state->delsys); |
| |
| return 0; |
| } |
| |
| static int stb0899_get_delsys(struct dvb_frontend *fe, enum dvbfe_delsys *fe_delsys) |
| { |
| *fe_delsys = DVBFE_DELSYS_DVBS | DVBFE_DELSYS_DSS | DVBFE_DELSYS_DVBS2; |
| |
| return 0; |
| } |
| |
| static void stb0899_set_delivery(struct stb0899_state *state) |
| { |
| u8 reg; |
| u8 stop_clk[2]; |
| |
| stop_clk[0] = stb0899_read_reg(state, STB0899_STOPCLK1); |
| stop_clk[1] = stb0899_read_reg(state, STB0899_STOPCLK2); |
| |
| switch (state->delsys) { |
| case DVBFE_DELSYS_DVBS: |
| dprintk(state->verbose, FE_DEBUG, 1, "Delivery System -- DVB-S"); |
| /* FECM/Viterbi ON */ |
| reg = stb0899_read_reg(state, STB0899_FECM); |
| STB0899_SETFIELD_VAL(FECM_RSVD0, reg, 0); |
| STB0899_SETFIELD_VAL(FECM_VITERBI_ON, reg, 1); |
| stb0899_write_reg(state, STB0899_FECM, reg); |
| |
| stb0899_write_reg(state, STB0899_RSULC, 0xb1); |
| stb0899_write_reg(state, STB0899_TSULC, 0x40); |
| stb0899_write_reg(state, STB0899_RSLLC, 0x42); |
| stb0899_write_reg(state, STB0899_TSLPL, 0x12); |
| |
| reg = stb0899_read_reg(state, STB0899_TSTRES); |
| STB0899_SETFIELD_VAL(FRESLDPC, reg, 1); |
| stb0899_write_reg(state, STB0899_TSTRES, reg); |
| |
| STB0899_SETFIELD_VAL(STOP_CHK8PSK, stop_clk[0], 1); |
| STB0899_SETFIELD_VAL(STOP_CKFEC108, stop_clk[0], 1); |
| STB0899_SETFIELD_VAL(STOP_CKFEC216, stop_clk[0], 1); |
| |
| STB0899_SETFIELD_VAL(STOP_CKPKDLIN108, stop_clk[1], 1); |
| STB0899_SETFIELD_VAL(STOP_CKPKDLIN216, stop_clk[1], 1); |
| |
| STB0899_SETFIELD_VAL(STOP_CKINTBUF216, stop_clk[0], 1); |
| STB0899_SETFIELD_VAL(STOP_CKCORE216, stop_clk[0], 0); |
| |
| STB0899_SETFIELD_VAL(STOP_CKS2DMD108, stop_clk[1], 1); |
| break; |
| case DVBFE_DELSYS_DVBS2: |
| /* FECM/Viterbi OFF */ |
| reg = stb0899_read_reg(state, STB0899_FECM); |
| STB0899_SETFIELD_VAL(FECM_RSVD0, reg, 0); |
| STB0899_SETFIELD_VAL(FECM_VITERBI_ON, reg, 0); |
| stb0899_write_reg(state, STB0899_FECM, reg); |
| |
| stb0899_write_reg(state, STB0899_RSULC, 0xb1); |
| stb0899_write_reg(state, STB0899_TSULC, 0x42); |
| stb0899_write_reg(state, STB0899_RSLLC, 0x40); |
| stb0899_write_reg(state, STB0899_TSLPL, 0x02); |
| |
| reg = stb0899_read_reg(state, STB0899_TSTRES); |
| STB0899_SETFIELD_VAL(FRESLDPC, reg, 0); |
| stb0899_write_reg(state, STB0899_TSTRES, reg); |
| |
| STB0899_SETFIELD_VAL(STOP_CHK8PSK, stop_clk[0], 1); |
| STB0899_SETFIELD_VAL(STOP_CKFEC108, stop_clk[0], 0); |
| STB0899_SETFIELD_VAL(STOP_CKFEC216, stop_clk[0], 0); |
| |
| STB0899_SETFIELD_VAL(STOP_CKPKDLIN108, stop_clk[1], 0); |
| STB0899_SETFIELD_VAL(STOP_CKPKDLIN216, stop_clk[1], 0); |
| |
| STB0899_SETFIELD_VAL(STOP_CKINTBUF216, stop_clk[0], 0); |
| STB0899_SETFIELD_VAL(STOP_CKCORE216, stop_clk[0], 0); |
| |
| STB0899_SETFIELD_VAL(STOP_CKS2DMD108, stop_clk[1], 0); |
| break; |
| case DVBFE_DELSYS_DSS: |
| /* FECM/Viterbi ON */ |
| reg = stb0899_read_reg(state, STB0899_FECM); |
| STB0899_SETFIELD_VAL(FECM_RSVD0, reg, 1); |
| STB0899_SETFIELD_VAL(FECM_VITERBI_ON, reg, 1); |
| stb0899_write_reg(state, STB0899_FECM, reg); |
| |
| stb0899_write_reg(state, STB0899_RSULC, 0xa1); |
| stb0899_write_reg(state, STB0899_TSULC, 0x61); |
| stb0899_write_reg(state, STB0899_RSLLC, 0x42); |
| |
| reg = stb0899_read_reg(state, STB0899_TSTRES); |
| STB0899_SETFIELD_VAL(FRESLDPC, reg, 1); |
| stb0899_write_reg(state, STB0899_TSTRES, reg); |
| |
| STB0899_SETFIELD_VAL(STOP_CHK8PSK, stop_clk[0], 1); |
| STB0899_SETFIELD_VAL(STOP_CKFEC108, stop_clk[0], 1); |
| STB0899_SETFIELD_VAL(STOP_CKFEC216, stop_clk[0], 1); |
| |
| STB0899_SETFIELD_VAL(STOP_CKPKDLIN108, stop_clk[1], 1); |
| STB0899_SETFIELD_VAL(STOP_CKPKDLIN216, stop_clk[1], 1); |
| |
| STB0899_SETFIELD_VAL(STOP_CKCORE216, stop_clk[0], 0); |
| |
| STB0899_SETFIELD_VAL(STOP_CKS2DMD108, stop_clk[1], 1); |
| break; |
| default: |
| dprintk(state->verbose, FE_ERROR, 1, "Unsupported delivery system"); |
| break; |
| } |
| STB0899_SETFIELD_VAL(STOP_CKADCI108, stop_clk[0], 0); |
| stb0899_write_regs(state, STB0899_STOPCLK1, stop_clk, 2); |
| } |
| |
| /* |
| * stb0899_set_iterations |
| * set the LDPC iteration scale function |
| */ |
| static void stb0899_set_iterations(struct stb0899_state *state) |
| { |
| struct stb0899_internal *internal = &state->internal; |
| struct stb0899_config *config = state->config; |
| |
| s32 iter_scale; |
| u32 reg; |
| |
| iter_scale = 17 * (internal->master_clk / 1000); |
| iter_scale += 410000; |
| iter_scale /= (internal->srate / 1000000); |
| iter_scale /= 1000; |
| |
| if (iter_scale > config->ldpc_max_iter) |
| iter_scale = config->ldpc_max_iter; |
| |
| reg = STB0899_READ_S2REG(STB0899_S2DEMOD, MAX_ITER); |
| STB0899_SETFIELD_VAL(MAX_ITERATIONS, reg, iter_scale); |
| stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_MAX_ITER, STB0899_OFF0_MAX_ITER, reg); |
| } |
| |
| static enum dvbfe_search stb0899_search(struct dvb_frontend *fe, struct dvbfe_params *params) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| struct stb0899_params *i_params = &state->params; |
| struct stb0899_internal *internal = &state->internal; |
| struct stb0899_config *config = state->config; |
| |
| u32 SearchRange, gain; |
| |
| i_params->freq = params->frequency; |
| switch (state->delsys) { |
| case DVBFE_DELSYS_DVBS: |
| dprintk(state->verbose, FE_ERROR, 1, "set DVB-S params"); |
| i_params->srate = params->delsys.dvbs.symbol_rate; |
| break; |
| case DVBFE_DELSYS_DSS: |
| dprintk(state->verbose, FE_ERROR, 1, "set DSS params"); |
| i_params->srate = params->delsys.dss.symbol_rate; |
| break; |
| case DVBFE_DELSYS_DVBS2: |
| dprintk(state->verbose, FE_ERROR, 1, "set DVB-S2 params"); |
| i_params->srate = params->delsys.dvbs2.symbol_rate; |
| break; |
| default: |
| dprintk(state->verbose, FE_ERROR, 1, "Unsupported delivery system"); |
| return -EINVAL; |
| } |
| dprintk(state->verbose, FE_DEBUG, 1, "delivery system=%d", state->delsys); |
| |
| SearchRange = 10000000; |
| dprintk(state->verbose, FE_DEBUG, 1, "Frequency=%d, Srate=%d", i_params->freq, i_params->srate); |
| /* checking Search Range is meaningless for a fixed 3 Mhz */ |
| if (INRANGE(i_params->srate, 1000000, 45000000)) { |
| dprintk(state->verbose, FE_DEBUG, 1, "Parameters IN RANGE"); |
| stb0899_set_delivery(state); |
| |
| if (state->config->tuner_set_rfsiggain) { |
| if (internal->srate > 15000000) |
| gain = 8; /* 15Mb < srate < 45Mb, gain = 8dB */ |
| else if (internal->srate > 5000000) |
| gain = 12; /* 5Mb < srate < 15Mb, gain = 12dB */ |
| else |
| gain = 14; /* 1Mb < srate < 5Mb, gain = 14db */ |
| state->config->tuner_set_rfsiggain(fe, gain); |
| } |
| |
| if (i_params->srate <= 5000000) |
| stb0899_set_mclk(state, config->lo_clk); |
| else |
| stb0899_set_mclk(state, config->hi_clk); |
| |
| switch (state->delsys) { |
| case DVBFE_DELSYS_DVBS: |
| case DVBFE_DELSYS_DSS: |
| dprintk(state->verbose, FE_DEBUG, 1, "DVB-S delivery system"); |
| internal->freq = i_params->freq; |
| internal->srate = i_params->srate; |
| /* |
| * search = user search range + |
| * 500Khz + |
| * 2 * Tuner_step_size + |
| * 10% of the symbol rate |
| */ |
| internal->srch_range = SearchRange + 1500000 + (i_params->srate / 5); |
| internal->derot_percent = 30; |
| |
| /* What to do for tuners having no bandwidth setup ? */ |
| /* enable tuner I/O */ |
| stb0899_i2c_gate_ctrl(&state->frontend, 1); |
| |
| if (state->config->tuner_set_bandwidth) |
| state->config->tuner_set_bandwidth(fe, (13 * (stb0899_carr_width(state) + SearchRange)) / 10); |
| if (state->config->tuner_get_bandwidth) |
| state->config->tuner_get_bandwidth(fe, &internal->tuner_bw); |
| |
| /* disable tuner I/O */ |
| stb0899_i2c_gate_ctrl(&state->frontend, 0); |
| |
| /* Set DVB-S1 AGC */ |
| stb0899_write_reg(state, STB0899_AGCRFCFG, 0x11); |
| |
| /* Run the search algorithm */ |
| dprintk(state->verbose, FE_DEBUG, 1, "running DVB-S search algo .."); |
| if (stb0899_dvbs_algo(state) == RANGEOK) { |
| internal->lock = 1; |
| dprintk(state->verbose, FE_DEBUG, 1, |
| "-------------------------------------> DVB-S LOCK !"); |
| |
| // stb0899_write_reg(state, STB0899_ERRCTRL1, 0x3d); /* Viterbi Errors */ |
| // internal->v_status = stb0899_read_reg(state, STB0899_VSTATUS); |
| // internal->err_ctrl = stb0899_read_reg(state, STB0899_ERRCTRL1); |
| // dprintk(state->verbose, FE_DEBUG, 1, "VSTATUS=0x%02x", internal->v_status); |
| // dprintk(state->verbose, FE_DEBUG, 1, "ERR_CTRL=0x%02x", internal->err_ctrl); |
| |
| return DVBFE_ALGO_SEARCH_SUCCESS; |
| } else { |
| internal->lock = 0; |
| |
| return DVBFE_ALGO_SEARCH_FAILED; |
| } |
| break; |
| case DVBFE_DELSYS_DVBS2: |
| internal->freq = i_params->freq; |
| internal->srate = i_params->srate; |
| internal->srch_range = SearchRange; |
| |
| /* enable tuner I/O */ |
| stb0899_i2c_gate_ctrl(&state->frontend, 1); |
| |
| if (state->config->tuner_set_bandwidth) |
| state->config->tuner_set_bandwidth(fe, (stb0899_carr_width(state) + SearchRange)); |
| if (state->config->tuner_get_bandwidth) |
| state->config->tuner_get_bandwidth(fe, &internal->tuner_bw); |
| |
| /* disable tuner I/O */ |
| stb0899_i2c_gate_ctrl(&state->frontend, 0); |
| |
| // pParams->SpectralInv = pSearch->IQ_Inversion; |
| |
| /* Set DVB-S2 AGC */ |
| stb0899_write_reg(state, STB0899_AGCRFCFG, 0x1c); |
| |
| /* Set IterScale =f(MCLK,SYMB) */ |
| stb0899_set_iterations(state); |
| |
| /* Run the search algorithm */ |
| dprintk(state->verbose, FE_DEBUG, 1, "running DVB-S2 search algo .."); |
| if (stb0899_dvbs2_algo(state) == DVBS2_FEC_LOCK) { |
| internal->lock = 1; |
| dprintk(state->verbose, FE_DEBUG, 1, |
| "-------------------------------------> DVB-S2 LOCK !"); |
| |
| // stb0899_write_reg(state, STB0899_ERRCTRL1, 0xb6); /* Packet Errors */ |
| // internal->v_status = stb0899_read_reg(state, STB0899_VSTATUS); |
| // internal->err_ctrl = stb0899_read_reg(state, STB0899_ERRCTRL1); |
| |
| return DVBFE_ALGO_SEARCH_SUCCESS; |
| } else { |
| internal->lock = 0; |
| |
| return DVBFE_ALGO_SEARCH_FAILED; |
| } |
| break; |
| default: |
| dprintk(state->verbose, FE_ERROR, 1, "Unsupported delivery system"); |
| return DVBFE_ALGO_SEARCH_INVALID; |
| } |
| } |
| |
| return DVBFE_ALGO_SEARCH_ERROR; |
| } |
| |
| static enum stb0899_status stb0899_track_carrier(struct stb0899_state *state) |
| { |
| u8 reg; |
| |
| reg = stb0899_read_reg(state, STB0899_DSTATUS); |
| dprintk(state->verbose, FE_DEBUG, 1, "--------------------> STB0899_DSTATUS=[0x%02x]", reg); |
| if (STB0899_GETFIELD(CARRIER_FOUND, reg)) { |
| dprintk(state->verbose, FE_DEBUG, 1, "-------------> CARRIEROK !"); |
| return CARRIEROK; |
| } else { |
| dprintk(state->verbose, FE_DEBUG, 1, "-------------> NOCARRIER !"); |
| return NOCARRIER; |
| } |
| |
| return NOCARRIER; |
| } |
| |
| static enum stb0899_status stb0899_get_ifagc(struct stb0899_state *state) |
| { |
| u8 reg; |
| |
| reg = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_STATUS); |
| dprintk(state->verbose, FE_DEBUG, 1, "DMD_STATUS=[0x%02x]", reg); |
| if (STB0899_GETFIELD(IF_AGC_LOCK, reg)) { |
| dprintk(state->verbose, FE_DEBUG, 1, "------------->IF AGC LOCKED !"); |
| return AGC1OK; |
| } else { |
| dprintk(state->verbose, FE_DEBUG, 1, "------------->IF AGC LOCK LOST !"); |
| return NOAGC1; |
| } |
| |
| return NOAGC1; |
| } |
| |
| static int stb0899_get_s1fec(struct stb0899_internal *internal, enum dvbfe_fec *fec) |
| { |
| switch (internal->fecrate) { |
| case STB0899_FEC_1_2: |
| *fec = DVBFE_FEC_1_2; |
| break; |
| case STB0899_FEC_2_3: |
| *fec = DVBFE_FEC_2_3; |
| break; |
| case STB0899_FEC_3_4: |
| *fec = DVBFE_FEC_3_4; |
| break; |
| case STB0899_FEC_5_6: |
| *fec = DVBFE_FEC_5_6; |
| break; |
| case STB0899_FEC_6_7: |
| *fec = DVBFE_FEC_6_7; |
| break; |
| case STB0899_FEC_7_8: |
| *fec = DVBFE_FEC_7_8; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int stb0899_get_modcod(struct stb0899_internal *internal, struct dvbs2_params *params) |
| { |
| switch (internal->modcod) { |
| case STB0899_DUMMY_PLF: |
| params->modulation = DVBFE_MOD_NONE; |
| params->fec = DVBFE_FEC_NONE; |
| break; |
| case STB0899_QPSK_14: |
| params->modulation = DVBFE_MOD_QPSK; |
| params->fec = DVBFE_FEC_1_4; |
| break; |
| case STB0899_QPSK_13: |
| params->modulation = DVBFE_MOD_QPSK; |
| params->fec = DVBFE_FEC_1_3; |
| break; |
| case STB0899_QPSK_25: |
| params->modulation = DVBFE_MOD_QPSK; |
| params->fec = DVBFE_FEC_2_5; |
| break; |
| case STB0899_QPSK_12: |
| params->modulation = DVBFE_MOD_QPSK; |
| params->fec = DVBFE_FEC_1_2; |
| break; |
| case STB0899_QPSK_35: |
| params->modulation = DVBFE_MOD_QPSK; |
| params->fec = DVBFE_FEC_3_5; |
| break; |
| case STB0899_QPSK_23: |
| params->modulation = DVBFE_MOD_QPSK; |
| params->fec = DVBFE_FEC_2_3; |
| break; |
| case STB0899_QPSK_34: |
| params->modulation = DVBFE_MOD_QPSK; |
| params->fec = DVBFE_FEC_3_4; |
| break; |
| case STB0899_QPSK_45: |
| params->modulation = DVBFE_MOD_QPSK; |
| params->fec = DVBFE_FEC_4_5; |
| break; |
| case STB0899_QPSK_56: |
| params->modulation = DVBFE_MOD_QPSK; |
| params->fec = DVBFE_FEC_5_6; |
| break; |
| case STB0899_QPSK_89: |
| params->modulation = DVBFE_MOD_QPSK; |
| params->fec = DVBFE_FEC_8_9; |
| break; |
| case STB0899_QPSK_910: |
| params->modulation = DVBFE_MOD_QPSK; |
| params->fec = DVBFE_FEC_9_10; |
| break; |
| case STB0899_8PSK_35: |
| params->modulation = DVBFE_MOD_8PSK; |
| params->fec = DVBFE_FEC_3_5; |
| break; |
| case STB0899_8PSK_23: |
| params->modulation = DVBFE_MOD_8PSK; |
| params->fec = DVBFE_FEC_2_3; |
| break; |
| case STB0899_8PSK_34: |
| params->modulation = DVBFE_MOD_8PSK; |
| params->fec = DVBFE_FEC_3_4; |
| break; |
| case STB0899_8PSK_56: |
| params->modulation = DVBFE_MOD_8PSK; |
| params->fec = DVBFE_FEC_5_6; |
| break; |
| case STB0899_8PSK_89: |
| params->modulation = DVBFE_MOD_8PSK; |
| params->fec = DVBFE_FEC_8_9; |
| break; |
| case STB0899_8PSK_910: |
| params->modulation = DVBFE_MOD_8PSK; |
| params->fec = DVBFE_FEC_9_10; |
| break; |
| case STB0899_16APSK_23: |
| params->modulation = DVBFE_MOD_16APSK; |
| params->fec = DVBFE_FEC_2_3; |
| break; |
| case STB0899_16APSK_34: |
| params->modulation = DVBFE_MOD_16APSK; |
| params->fec = DVBFE_FEC_3_4; |
| break; |
| case STB0899_16APSK_45: |
| params->modulation = DVBFE_MOD_16APSK; |
| params->fec = DVBFE_FEC_4_5; |
| break; |
| case STB0899_16APSK_56: |
| params->modulation = DVBFE_MOD_16APSK; |
| params->fec = DVBFE_FEC_5_6; |
| break; |
| case STB0899_16APSK_89: |
| params->modulation = DVBFE_MOD_16APSK; |
| params->fec = DVBFE_FEC_8_9; |
| break; |
| case STB0899_16APSK_910: |
| params->modulation = DVBFE_MOD_16APSK; |
| params->fec = DVBFE_FEC_9_10; |
| break; |
| case STB0899_32APSK_34: |
| params->modulation = DVBFE_MOD_32APSK; |
| params->fec = DVBFE_FEC_3_4; |
| break; |
| case STB0899_32APSK_45: |
| params->modulation = DVBFE_MOD_32APSK; |
| params->fec = DVBFE_FEC_4_5; |
| break; |
| case STB0899_32APSK_56: |
| params->modulation = DVBFE_MOD_32APSK; |
| params->fec = DVBFE_FEC_5_6; |
| break; |
| case STB0899_32APSK_89: |
| params->modulation = DVBFE_MOD_32APSK; |
| params->fec = DVBFE_FEC_8_9; |
| break; |
| case STB0899_32APSK_910: |
| params->modulation = DVBFE_MOD_32APSK; |
| params->fec = DVBFE_FEC_9_10; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * stb0899_track |
| * periodically check the signal level against a specified |
| * threshold level and perform derotator centering. |
| * called once we have a lock from a succesful search |
| * event. |
| * |
| * Will be called periodically called to maintain the |
| * lock. |
| * |
| * Will be used to get parameters as well as info from |
| * the decoded baseband header |
| * |
| * Once a new lock has established, the internal state |
| * frequency (internal->freq) is updated |
| */ |
| static int stb0899_track(struct dvb_frontend *fe, struct dvbfe_params *params, int *delay) |
| { |
| u32 lock_lost; |
| |
| struct stb0899_state *state = fe->demodulator_priv; |
| struct stb0899_internal *internal = &state->internal; |
| |
| |
| *delay = HZ/10; |
| |
| return 0; |
| } |
| |
| static int stb0899_get_params(struct dvb_frontend *fe, struct dvbfe_params *params) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| struct stb0899_internal *internal = &state->internal; |
| |
| params->frequency = internal->freq; |
| params->inversion = internal->inversion; |
| params->delivery = state->delsys; |
| switch (state->delsys) { |
| case DVBFE_DELSYS_DVBS: |
| dprintk(state->verbose, FE_DEBUG, 1, "Get DVB-S params"); |
| params->delsys.dvbs.symbol_rate = internal->srate; |
| params->delsys.dvbs.modulation = DVBFE_MOD_QPSK; |
| break; |
| case DVBFE_DELSYS_DSS: |
| dprintk(state->verbose, FE_DEBUG, 1, "Get DSS params"); |
| params->delsys.dss.symbol_rate = internal->srate; |
| params->delsys.dss.modulation = DVBFE_MOD_QPSK; |
| break; |
| case DVBFE_DELSYS_DVBS2: |
| dprintk(state->verbose, FE_DEBUG, 1, "Get DVB-S2 params"); |
| params->delsys.dvbs2.symbol_rate = internal->srate; |
| break; |
| default: |
| dprintk(state->verbose, FE_ERROR, 1, "Unsupported delivery system"); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static enum dvbfe_algo stb0899_frontend_algo(struct dvb_frontend *fe) |
| { |
| return DVBFE_ALGO_CUSTOM; |
| } |
| |
| static int stb0899_set_delsys(struct dvb_frontend *fe, enum dvbfe_delsys delsys) |
| { |
| struct stb0899_state *state = fe->demodulator_priv; |
| |
| state->delsys = delsys; |
| return 0; |
| } |
| |
| static struct dvb_frontend_ops stb0899_ops = { |
| |
| .info = { |
| .name = "STB0899 Multistandard", |
| }, |
| |
| .release = stb0899_release, |
| .init = stb0899_init, |
| .sleep = stb0899_sleep, |
| // .wakeup = stb0899_wakeup, |
| |
| .i2c_gate_ctrl = stb0899_i2c_gate_ctrl, |
| .get_info = stb0899_get_info, |
| .get_delsys = stb0899_get_delsys, |
| .set_delsys = stb0899_set_delsys, |
| |
| .get_frontend_algo = stb0899_frontend_algo, |
| .search = stb0899_search, |
| .track = stb0899_track, |
| .get_params = stb0899_get_params, |
| |
| .read_status = stb0899_read_status, |
| .read_snr = stb0899_read_snr, |
| .read_signal_strength = stb0899_read_signal_strength, |
| .read_status = stb0899_read_status, |
| .read_ber = stb0899_read_ber, |
| |
| .set_voltage = stb0899_set_voltage, |
| .set_tone = stb0899_set_tone, |
| |
| .diseqc_send_master_cmd = stb0899_send_diseqc_msg, |
| .diseqc_recv_slave_reply = stb0899_recv_slave_reply, |
| .diseqc_send_burst = stb0899_send_diseqc_burst, |
| }; |
| |
| struct dvb_frontend *stb0899_attach(struct stb0899_config *config, struct i2c_adapter *i2c) |
| { |
| struct stb0899_state *state = NULL; |
| enum stb0899_inversion inversion; |
| |
| state = kzalloc(sizeof (struct stb0899_state), GFP_KERNEL); |
| if (state == NULL) |
| goto error; |
| |
| inversion = config->inversion; |
| state->verbose = &verbose; |
| state->config = config; |
| state->i2c = i2c; |
| state->frontend.ops = stb0899_ops; |
| state->frontend.demodulator_priv = state; |
| state->internal.inversion = inversion; |
| |
| stb0899_wakeup(&state->frontend); |
| if (stb0899_get_dev_id(state) == -ENODEV) { |
| printk("%s: Exiting .. !\n", __func__); |
| goto error; |
| } |
| |
| printk("%s: Attaching STB0899 \n", __func__); |
| return &state->frontend; |
| |
| error: |
| kfree(state); |
| return NULL; |
| } |
| EXPORT_SYMBOL(stb0899_attach); |
| MODULE_PARM_DESC(verbose, "Set Verbosity level"); |
| MODULE_AUTHOR("Manu Abraham"); |
| MODULE_DESCRIPTION("STB0899 Multi-Std frontend"); |
| MODULE_LICENSE("GPL"); |