V4L/DVB (9375): Add STB0899 support
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c
new file mode 100644
index 0000000..3cb9b48
--- /dev/null
+++ b/drivers/media/dvb/frontends/stb0899_drv.c
@@ -0,0 +1,1963 @@
+/*
+ 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 = 5;
+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(verbose, FE_ERROR, 1,
+ "Read error, Reg=[0x%02x], Status=%d",
+ reg, ret);
+
+ return ret < 0 ? ret : -EREMOTEIO;
+ }
+ if (unlikely(verbose >= FE_DEBUGREG))
+ dprintk(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, size_t 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, size_t 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(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 = 90000000, div = 0;
+
+ div = stb0899_read_reg(state, STB0899_NCOARSE);
+ mclk = (div + 1) * state->config->xtal_freq / 6;
+ dprintk(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(verbose, FE_DEBUG, 1, "state->config=%p", state->config);
+ mdiv = ((6 * Mclk) / state->config->xtal_freq) - 1;
+ dprintk(verbose, FE_DEBUG, 1, "mdiv=%d", mdiv);
+
+ stb0899_write_reg(state, STB0899_NCOARSE, mdiv);
+ internal->master_clk = stb0899_get_mclk(state);
+
+ dprintk(verbose, FE_DEBUG, 1, "MasterCLOCK=%d", internal->master_clk);
+}
+
+static void stb0899_release(struct dvb_frontend *fe)
+{
+ struct stb0899_state *state = fe->demodulator_priv;
+
+ dprintk(verbose, FE_DEBUG, 1, "Release Frontend");
+ 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[1];
+ 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(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(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(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_sleep(struct dvb_frontend *fe)
+{
+ struct stb0899_state *state = fe->demodulator_priv;
+ u8 reg;
+
+ dprintk(verbose, FE_DEBUG, 1, "Going to Sleep .. (Really tired .. :-))");
+
+ reg = stb0899_read_reg(state, STB0899_SYNTCTRL);
+ STB0899_SETFIELD_VAL(STANDBY, reg, 1);
+ stb0899_write_reg(state, STB0899_SYNTCTRL, reg);
+
+ 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;
+
+ 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(verbose, FE_DEBUG, 1, "Initializing STB0899 ... ");
+// mutex_init(&state->search_lock);
+
+ /* init device */
+ dprintk(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(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(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(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(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(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(verbose, FE_DEBUG, 1, "IF_AGC_GAIN = 0x%04x, C = %d * 0.1 dBm",
+ val & 0x3fff, *strength);
+ }
+ break;
+ default:
+ dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
+ break;
+ }
+
+ 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(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(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(verbose, FE_DEBUG, 1, "Unsupported delivery system");
+ break;
+ }
+
+ 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;
+ }
+ }
+ }
+ 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");
+ }
+ }
+ }
+ break;
+ default:
+ dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
+ break;
+ }
+ 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(verbose, FE_DEBUG, 1, "Unsupported delivery system");
+ }
+
+ 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;
+
+ /* 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);
+ stb0899_write_reg(state, STB0899_ACRPRESC, 0x31);
+ stb0899_write_reg(state, STB0899_ACRDIV1, div);
+ break;
+ case SEC_TONE_OFF:
+ stb0899_write_reg(state, STB0899_DISEQCOCFG, 0x20);
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static 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;
+ }
+ return 0;
+err:
+ dprintk(state->verbose, FE_ERROR, 1, "I2C Repeater enable 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[4] = { 0 };
+ char fec_str[4] = { 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",
+ .delivery = DVBFE_DELSYS_DVBS,
+ .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",
+ .delivery = DVBFE_DELSYS_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",
+ .delivery = DVBFE_DELSYS_DVBS2,
+ .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(verbose, FE_DEBUG, 1, "Get Info");
+
+ state->delsys = fe_info->delivery;
+ switch (state->delsys) {
+ case DVBFE_DELSYS_DVBS:
+ dprintk(verbose, FE_ERROR, 1, "Querying DVB-S info");
+ memcpy(fe_info, &dvbs_info, sizeof (struct dvbfe_info));
+ break;
+ case DVBFE_DELSYS_DSS:
+ dprintk(verbose, FE_ERROR, 1, "Querying DSS info");
+ memcpy(fe_info, &dss_info, sizeof (struct dvbfe_info));
+ break;
+ case DVBFE_DELSYS_DVBS2:
+ dprintk(verbose, FE_ERROR, 1, "Querying DVB-S2 info");
+ memcpy(fe_info, &dvbs2_info, sizeof (struct dvbfe_info));
+ break;
+ default:
+ dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
+ return -EINVAL;
+ }
+ dprintk(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;
+}
+
+void stb0899_set_delsys(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(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], 1);
+
+ 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(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;
+
+ u32 SearchRange, gain;
+
+ switch (state->delsys) {
+ case DVBFE_DELSYS_DVBS:
+ dprintk(verbose, FE_ERROR, 1, "set DVB-S params");
+ i_params->freq = params->frequency;
+ i_params->srate = params->delsys.dvbs.symbol_rate;
+ break;
+ case DVBFE_DELSYS_DSS:
+ dprintk(verbose, FE_ERROR, 1, "set DSS params");
+ i_params->freq = params->frequency;
+ i_params->srate = params->delsys.dss.symbol_rate;
+ break;
+ case DVBFE_DELSYS_DVBS2:
+ dprintk(verbose, FE_ERROR, 1, "set DVB-S2 params");
+ i_params->freq = params->frequency;
+ i_params->srate = params->delsys.dvbs2.symbol_rate;
+ break;
+ default:
+ dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
+ return -EINVAL;
+ }
+ dprintk(verbose, FE_DEBUG, 1, "delivery system=%d", state->delsys);
+
+// SearchRange = 3000000; /* Search Bandwidth (3 Mhz, was initially 10 Mhz) */
+ SearchRange = 10000000; /* Search Bandwidth (3 Mhz, was initially 10 Mhz) */
+ dprintk(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(verbose, FE_DEBUG, 1, "Parameters IN RANGE");
+ stb0899_set_delsys(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, 76500000);
+ else
+ stb0899_set_mclk(state, 99000000);
+
+ switch (state->delsys) {
+ case DVBFE_DELSYS_DVBS:
+ case DVBFE_DELSYS_DSS:
+ dprintk(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 ? */
+ if (state->config->tuner_set_bandwidth)
+ state->config->tuner_set_bandwidth(fe, (13 * (stb0899_carr_width(state) + 10000000)) / 10);
+ if (state->config->tuner_get_bandwidth)
+ state->config->tuner_get_bandwidth(fe, &internal->tuner_bw);
+ /* Set DVB-S1 AGC */
+ stb0899_write_reg(state, STB0899_AGCRFCFG, 0x11);
+
+ /* Run the search algorithm */
+ dprintk(verbose, FE_DEBUG, 1, "running DVB-S search algo ..");
+ if (stb0899_dvbs_algo(state) == RANGEOK) {
+ internal->lock = 1;
+ dprintk(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(verbose, FE_DEBUG, 1, "VSTATUS=0x%02x", internal->v_status);
+// dprintk(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;
+
+ if (state->config->tuner_set_bandwidth)
+ state->config->tuner_set_bandwidth(fe, (stb0899_carr_width(state) + 10000000));
+ if (state->config->tuner_get_bandwidth)
+ state->config->tuner_get_bandwidth(fe, &internal->tuner_bw);
+
+// 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(verbose, FE_DEBUG, 1, "running DVB-S2 search algo ..");
+ if (stb0899_dvbs2_algo(state) == DVBS2_FEC_LOCK) {
+ internal->lock = 1;
+ dprintk(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(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(verbose, FE_DEBUG, 1, "--------------------> STB0899_DSTATUS=[0x%02x]", reg);
+ if (STB0899_GETFIELD(CARRIER_FOUND, reg)) {
+ dprintk(verbose, FE_DEBUG, 1, "-------------> CARRIEROK !");
+ return CARRIEROK;
+ } else {
+ dprintk(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(verbose, FE_DEBUG, 1, "DMD_STATUS=[0x%02x]", reg);
+ if (STB0899_GETFIELD(IF_AGC_LOCK, reg)) {
+ dprintk(verbose, FE_DEBUG, 1, "------------->IF AGC LOCKED !");
+ return AGC1OK;
+ } else {
+ dprintk(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)
+{
+ struct stb0899_state *state = fe->demodulator_priv;
+ struct stb0899_internal *internal = &state->internal;
+
+ switch (state->delsys) {
+ case DVBFE_DELSYS_DVBS:
+ dprintk(verbose, FE_DEBUG, 1, "Tracking DVB-S state");
+ if (stb0899_track_carrier(state) == CARRIEROK) {
+ params->frequency = internal->freq;
+ params->inversion = internal->inversion;
+ params->delivery = state->delsys;
+ params->delsys.dvbs.symbol_rate = internal->srate;
+ params->delsys.dvbs.modulation = DVBFE_MOD_QPSK;
+ stb0899_get_s1fec(internal, ¶ms->delsys.dvbs.fec);
+ }
+ break;
+ case DVBFE_DELSYS_DSS:
+ dprintk(verbose, FE_DEBUG, 1, "Tracking DSS state");
+ if (stb0899_track_carrier(state) == CARRIEROK) {
+ params->frequency = internal->freq;
+ params->inversion = internal->inversion;
+ params->delivery = state->delsys;
+ params->delsys.dss.symbol_rate = internal->srate;
+ params->delsys.dss.modulation = DVBFE_MOD_QPSK;
+ stb0899_get_s1fec(internal, ¶ms->delsys.dss.fec);
+ }
+ break;
+ case DVBFE_DELSYS_DVBS2:
+ dprintk(verbose, FE_DEBUG, 1, "Tracking DVB-S2 state");
+ if (stb0899_get_ifagc(state) == AGC1OK) {
+ params->frequency = internal->freq;
+ params->inversion = internal->inversion;
+ params->delivery = state->delsys;
+ params->delsys.dvbs2.symbol_rate = internal->srate;
+ stb0899_get_modcod(internal, ¶ms->delsys.dvbs2);
+ params->delsys.dvbs2.rolloff = internal->rolloff;
+ params->delsys.dvbs2.matype_1 = stb0899_read_reg(state, STB0899_MATSTRL);
+ params->delsys.dvbs2.matype_2 = stb0899_read_reg(state, STB0899_MATSTRM);
+ params->delsys.dvbs2.upl_1 = stb0899_read_reg(state, STB0899_UPLSTRL);
+ params->delsys.dvbs2.upl_2 = stb0899_read_reg(state, STB0899_UPLSTRM);
+ params->delsys.dvbs2.dfl_1 = stb0899_read_reg(state, STB0899_DFLSTRL);
+ params->delsys.dvbs2.dfl_2 = stb0899_read_reg(state, STB0899_DFLSTRM);
+ params->delsys.dvbs2.sync = stb0899_read_reg(state, STB0899_SYNCSTR);
+ params->delsys.dvbs2.syncd_1 = stb0899_read_reg(state, STB0899_SYNCDSTRL);
+ params->delsys.dvbs2.syncd_2 = stb0899_read_reg(state, STB0899_SYNCDSTRM);
+ }
+ break;
+ default:
+ dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
+ return -EINVAL;
+ }
+
+ 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(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(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(verbose, FE_DEBUG, 1, "Get DVB-S2 params");
+ params->delsys.dvbs2.symbol_rate = internal->srate;
+ break;
+ default:
+ dprintk(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 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,
+
+ .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;
+
+ state = kzalloc(sizeof (struct stb0899_state), GFP_KERNEL);
+ if (state == NULL)
+ goto error;
+
+ state->verbose = verbose;
+ state->config = config;
+ state->i2c = i2c;
+ state->frontend.ops = stb0899_ops;
+ state->frontend.demodulator_priv = state;
+
+ 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");