diff options
Diffstat (limited to 'drivers/media/dvb/frontends/stb0899_drv.c')
| -rw-r--r-- | drivers/media/dvb/frontends/stb0899_drv.c | 1651 |
1 files changed, 0 insertions, 1651 deletions
diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c deleted file mode 100644 index 5d7f8a9b451b..000000000000 --- a/drivers/media/dvb/frontends/stb0899_drv.c +++ /dev/null @@ -1,1651 +0,0 @@ -/* - 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/slab.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[] = { - { -750, -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 }, - { -950, 16383 } -}; - -/* DVB-S2 Es/N0 quant in dB/100 vs read value * 100*/ -static 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 */ -static 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 }, -}; - -static 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]; - u32 reg; - - /* Read registers (in burst mode) */ - 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, 100) < 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); - msleep(100); - 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, 0x03); - 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_slave_reply rx_data; -*/ - u8 f22_tx, reg; - - u32 mclk, tx_freq = 22000;/* count = 0, i; */ - 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; - - 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 ... "); - - /* 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; - *strength = 0; - switch (state->delsys) { - case SYS_DVBS: - case SYS_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 SYS_DVBS2: - if (internal->lock) { - reg = STB0899_READ_S2REG(STB0899_S2DEMOD, 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 += 950; - 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; - - *snr = 0; - reg = stb0899_read_reg(state, STB0899_VSTATUS); - switch (state->delsys) { - case SYS_DVBS: - case SYS_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 SYS_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 SYS_DVBS: - case SYS_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_SIGNAL | 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 SYS_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; - - *ber = 0; - - switch (state->delsys) { - case SYS_DVBS: - case SYS_DSS: - if (internal->lock) { - lsb = stb0899_read_reg(state, STB0899_ECNT1L); - msb = stb0899_read_reg(state, STB0899_ECNT1M); - *ber = MAKEWORD16(msb, lsb); - /* 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 SYS_DVBS2: - if (internal->lock) { - 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 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 SYS_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 SYS_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 SYS_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_S2FEC, MAX_ITER); - STB0899_SETFIELD_VAL(MAX_ITERATIONS, reg, iter_scale); - stb0899_write_s2reg(state, STB0899_S2FEC, STB0899_BASE_MAX_ITER, STB0899_OFF0_MAX_ITER, reg); -} - -static enum dvbfe_search stb0899_search(struct dvb_frontend *fe) -{ - 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; - struct dtv_frontend_properties *props = &fe->dtv_property_cache; - - u32 SearchRange, gain; - - i_params->freq = props->frequency; - i_params->srate = props->symbol_rate; - state->delsys = props->delivery_system; - 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 SYS_DVBS: - case SYS_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 SYS_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 int stb0899_get_frontend(struct dvb_frontend *fe) -{ - struct dtv_frontend_properties *p = &fe->dtv_property_cache; - struct stb0899_state *state = fe->demodulator_priv; - struct stb0899_internal *internal = &state->internal; - - dprintk(state->verbose, FE_DEBUG, 1, "Get params"); - p->symbol_rate = internal->srate; - - return 0; -} - -static enum dvbfe_algo stb0899_frontend_algo(struct dvb_frontend *fe) -{ - return DVBFE_ALGO_CUSTOM; -} - -static struct dvb_frontend_ops stb0899_ops = { - .delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS }, - .info = { - .name = "STB0899 Multistandard", - .frequency_min = 950000, - .frequency_max = 2150000, - .frequency_stepsize = 0, - .frequency_tolerance = 0, - .symbol_rate_min = 5000000, - .symbol_rate_max = 45000000, - - .caps = FE_CAN_INVERSION_AUTO | - FE_CAN_FEC_AUTO | - FE_CAN_2G_MODULATION | - FE_CAN_QPSK - }, - - .release = stb0899_release, - .init = stb0899_init, - .sleep = stb0899_sleep, -// .wakeup = stb0899_wakeup, - - .i2c_gate_ctrl = stb0899_i2c_gate_ctrl, - - .get_frontend_algo = stb0899_frontend_algo, - .search = stb0899_search, - .get_frontend = stb0899_get_frontend, - - - .read_status = stb0899_read_status, - .read_snr = stb0899_read_snr, - .read_signal_strength = stb0899_read_signal_strength, - .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"); |