13e54a169SMatthias Schwarzott /* 218349f40SMatthias Schwarzott * Driver for Silicon Labs Si2161 DVB-T and Si2165 DVB-C/-T Demodulator 318349f40SMatthias Schwarzott * 418349f40SMatthias Schwarzott * Copyright (C) 2013-2014 Matthias Schwarzott <zzam@gentoo.org> 518349f40SMatthias Schwarzott * 618349f40SMatthias Schwarzott * This program is free software; you can redistribute it and/or modify 718349f40SMatthias Schwarzott * it under the terms of the GNU General Public License as published by 818349f40SMatthias Schwarzott * the Free Software Foundation; either version 2 of the License, or 918349f40SMatthias Schwarzott * (at your option) any later version. 1018349f40SMatthias Schwarzott * 1118349f40SMatthias Schwarzott * This program is distributed in the hope that it will be useful, 1218349f40SMatthias Schwarzott * but WITHOUT ANY WARRANTY; without even the implied warranty of 1318349f40SMatthias Schwarzott * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1418349f40SMatthias Schwarzott * GNU General Public License for more details. 1518349f40SMatthias Schwarzott * 1618349f40SMatthias Schwarzott * References: 1718349f40SMatthias Schwarzott * http://www.silabs.com/Support%20Documents/TechnicalDocs/Si2165-short.pdf 183e54a169SMatthias Schwarzott */ 193e54a169SMatthias Schwarzott 203e54a169SMatthias Schwarzott #include <linux/delay.h> 213e54a169SMatthias Schwarzott #include <linux/errno.h> 223e54a169SMatthias Schwarzott #include <linux/init.h> 233e54a169SMatthias Schwarzott #include <linux/kernel.h> 243e54a169SMatthias Schwarzott #include <linux/module.h> 253e54a169SMatthias Schwarzott #include <linux/string.h> 263e54a169SMatthias Schwarzott #include <linux/slab.h> 273e54a169SMatthias Schwarzott #include <linux/firmware.h> 283e54a169SMatthias Schwarzott 293e54a169SMatthias Schwarzott #include "dvb_frontend.h" 303e54a169SMatthias Schwarzott #include "dvb_math.h" 313e54a169SMatthias Schwarzott #include "si2165_priv.h" 323e54a169SMatthias Schwarzott #include "si2165.h" 333e54a169SMatthias Schwarzott 3418349f40SMatthias Schwarzott /* 3518349f40SMatthias Schwarzott * Hauppauge WinTV-HVR-930C-HD B130 / PCTV QuatroStick 521e 1113xx 3618349f40SMatthias Schwarzott * uses 16 MHz xtal 3718349f40SMatthias Schwarzott * 3818349f40SMatthias Schwarzott * Hauppauge WinTV-HVR-930C-HD B131 / PCTV QuatroStick 522e 1114xx 3918349f40SMatthias Schwarzott * uses 24 MHz clock provided by tuner 4018349f40SMatthias Schwarzott */ 413e54a169SMatthias Schwarzott 423e54a169SMatthias Schwarzott struct si2165_state { 433e54a169SMatthias Schwarzott struct i2c_adapter *i2c; 443e54a169SMatthias Schwarzott 453e54a169SMatthias Schwarzott struct dvb_frontend frontend; 463e54a169SMatthias Schwarzott 473e54a169SMatthias Schwarzott struct si2165_config config; 483e54a169SMatthias Schwarzott 4955bea400SMatthias Schwarzott u8 chip_revcode; 503e54a169SMatthias Schwarzott u8 chip_type; 513e54a169SMatthias Schwarzott 523e54a169SMatthias Schwarzott /* calculated by xtal and div settings */ 533e54a169SMatthias Schwarzott u32 fvco_hz; 543e54a169SMatthias Schwarzott u32 sys_clk; 553e54a169SMatthias Schwarzott u32 adc_clk; 563e54a169SMatthias Schwarzott 573e54a169SMatthias Schwarzott bool has_dvbc; 583e54a169SMatthias Schwarzott bool has_dvbt; 593e54a169SMatthias Schwarzott bool firmware_loaded; 603e54a169SMatthias Schwarzott }; 613e54a169SMatthias Schwarzott 623e54a169SMatthias Schwarzott #define DEBUG_OTHER 0x01 633e54a169SMatthias Schwarzott #define DEBUG_I2C_WRITE 0x02 643e54a169SMatthias Schwarzott #define DEBUG_I2C_READ 0x04 653e54a169SMatthias Schwarzott #define DEBUG_REG_READ 0x08 663e54a169SMatthias Schwarzott #define DEBUG_REG_WRITE 0x10 673e54a169SMatthias Schwarzott #define DEBUG_FW_LOAD 0x20 683e54a169SMatthias Schwarzott 693e54a169SMatthias Schwarzott static int debug = 0x00; 703e54a169SMatthias Schwarzott 713e54a169SMatthias Schwarzott #define dprintk(args...) \ 723e54a169SMatthias Schwarzott do { \ 733e54a169SMatthias Schwarzott if (debug & DEBUG_OTHER) \ 743e54a169SMatthias Schwarzott printk(KERN_DEBUG "si2165: " args); \ 753e54a169SMatthias Schwarzott } while (0) 763e54a169SMatthias Schwarzott 773e54a169SMatthias Schwarzott #define deb_i2c_write(args...) \ 783e54a169SMatthias Schwarzott do { \ 793e54a169SMatthias Schwarzott if (debug & DEBUG_I2C_WRITE) \ 803e54a169SMatthias Schwarzott printk(KERN_DEBUG "si2165: i2c write: " args); \ 813e54a169SMatthias Schwarzott } while (0) 823e54a169SMatthias Schwarzott 833e54a169SMatthias Schwarzott #define deb_i2c_read(args...) \ 843e54a169SMatthias Schwarzott do { \ 853e54a169SMatthias Schwarzott if (debug & DEBUG_I2C_READ) \ 863e54a169SMatthias Schwarzott printk(KERN_DEBUG "si2165: i2c read: " args); \ 873e54a169SMatthias Schwarzott } while (0) 883e54a169SMatthias Schwarzott 893e54a169SMatthias Schwarzott #define deb_readreg(args...) \ 903e54a169SMatthias Schwarzott do { \ 913e54a169SMatthias Schwarzott if (debug & DEBUG_REG_READ) \ 923e54a169SMatthias Schwarzott printk(KERN_DEBUG "si2165: reg read: " args); \ 933e54a169SMatthias Schwarzott } while (0) 943e54a169SMatthias Schwarzott 953e54a169SMatthias Schwarzott #define deb_writereg(args...) \ 963e54a169SMatthias Schwarzott do { \ 973e54a169SMatthias Schwarzott if (debug & DEBUG_REG_WRITE) \ 983e54a169SMatthias Schwarzott printk(KERN_DEBUG "si2165: reg write: " args); \ 993e54a169SMatthias Schwarzott } while (0) 1003e54a169SMatthias Schwarzott 1013e54a169SMatthias Schwarzott #define deb_fw_load(args...) \ 1023e54a169SMatthias Schwarzott do { \ 1033e54a169SMatthias Schwarzott if (debug & DEBUG_FW_LOAD) \ 1043e54a169SMatthias Schwarzott printk(KERN_DEBUG "si2165: fw load: " args); \ 1053e54a169SMatthias Schwarzott } while (0) 1063e54a169SMatthias Schwarzott 1073e54a169SMatthias Schwarzott static int si2165_write(struct si2165_state *state, const u16 reg, 1083e54a169SMatthias Schwarzott const u8 *src, const int count) 1093e54a169SMatthias Schwarzott { 1103e54a169SMatthias Schwarzott int ret; 1113e54a169SMatthias Schwarzott struct i2c_msg msg; 1123e54a169SMatthias Schwarzott u8 buf[2 + 4]; /* write a maximum of 4 bytes of data */ 1133e54a169SMatthias Schwarzott 1143e54a169SMatthias Schwarzott if (count + 2 > sizeof(buf)) { 1153e54a169SMatthias Schwarzott dev_warn(&state->i2c->dev, 1163e54a169SMatthias Schwarzott "%s: i2c wr reg=%04x: count=%d is too big!\n", 1173e54a169SMatthias Schwarzott KBUILD_MODNAME, reg, count); 1183e54a169SMatthias Schwarzott return -EINVAL; 1193e54a169SMatthias Schwarzott } 1203e54a169SMatthias Schwarzott buf[0] = reg >> 8; 1213e54a169SMatthias Schwarzott buf[1] = reg & 0xff; 1223e54a169SMatthias Schwarzott memcpy(buf + 2, src, count); 1233e54a169SMatthias Schwarzott 1243e54a169SMatthias Schwarzott msg.addr = state->config.i2c_addr; 1253e54a169SMatthias Schwarzott msg.flags = 0; 1263e54a169SMatthias Schwarzott msg.buf = buf; 1273e54a169SMatthias Schwarzott msg.len = count + 2; 1283e54a169SMatthias Schwarzott 1293e54a169SMatthias Schwarzott if (debug & DEBUG_I2C_WRITE) 1303e54a169SMatthias Schwarzott deb_i2c_write("reg: 0x%04x, data: %*ph\n", reg, count, src); 1313e54a169SMatthias Schwarzott 1323e54a169SMatthias Schwarzott ret = i2c_transfer(state->i2c, &msg, 1); 1333e54a169SMatthias Schwarzott 1343e54a169SMatthias Schwarzott if (ret != 1) { 1353e54a169SMatthias Schwarzott dev_err(&state->i2c->dev, "%s: ret == %d\n", __func__, ret); 1363e54a169SMatthias Schwarzott if (ret < 0) 1373e54a169SMatthias Schwarzott return ret; 1383e54a169SMatthias Schwarzott else 1393e54a169SMatthias Schwarzott return -EREMOTEIO; 1403e54a169SMatthias Schwarzott } 1413e54a169SMatthias Schwarzott 1423e54a169SMatthias Schwarzott return 0; 1433e54a169SMatthias Schwarzott } 1443e54a169SMatthias Schwarzott 1453e54a169SMatthias Schwarzott static int si2165_read(struct si2165_state *state, 1463e54a169SMatthias Schwarzott const u16 reg, u8 *val, const int count) 1473e54a169SMatthias Schwarzott { 1483e54a169SMatthias Schwarzott int ret; 1493e54a169SMatthias Schwarzott u8 reg_buf[] = { reg >> 8, reg & 0xff }; 1503e54a169SMatthias Schwarzott struct i2c_msg msg[] = { 1513e54a169SMatthias Schwarzott { .addr = state->config.i2c_addr, 1523e54a169SMatthias Schwarzott .flags = 0, .buf = reg_buf, .len = 2 }, 1533e54a169SMatthias Schwarzott { .addr = state->config.i2c_addr, 1543e54a169SMatthias Schwarzott .flags = I2C_M_RD, .buf = val, .len = count }, 1553e54a169SMatthias Schwarzott }; 1563e54a169SMatthias Schwarzott 1573e54a169SMatthias Schwarzott ret = i2c_transfer(state->i2c, msg, 2); 1583e54a169SMatthias Schwarzott 1593e54a169SMatthias Schwarzott if (ret != 2) { 1603e54a169SMatthias Schwarzott dev_err(&state->i2c->dev, "%s: error (addr %02x reg %04x error (ret == %i)\n", 1613e54a169SMatthias Schwarzott __func__, state->config.i2c_addr, reg, ret); 1623e54a169SMatthias Schwarzott if (ret < 0) 1633e54a169SMatthias Schwarzott return ret; 1643e54a169SMatthias Schwarzott else 1653e54a169SMatthias Schwarzott return -EREMOTEIO; 1663e54a169SMatthias Schwarzott } 1673e54a169SMatthias Schwarzott 1683e54a169SMatthias Schwarzott if (debug & DEBUG_I2C_READ) 1693e54a169SMatthias Schwarzott deb_i2c_read("reg: 0x%04x, data: %*ph\n", reg, count, val); 1703e54a169SMatthias Schwarzott 1713e54a169SMatthias Schwarzott return 0; 1723e54a169SMatthias Schwarzott } 1733e54a169SMatthias Schwarzott 1743e54a169SMatthias Schwarzott static int si2165_readreg8(struct si2165_state *state, 1753e54a169SMatthias Schwarzott const u16 reg, u8 *val) 1763e54a169SMatthias Schwarzott { 1773e54a169SMatthias Schwarzott int ret; 1783e54a169SMatthias Schwarzott 1793e54a169SMatthias Schwarzott ret = si2165_read(state, reg, val, 1); 1803e54a169SMatthias Schwarzott deb_readreg("R(0x%04x)=0x%02x\n", reg, *val); 1813e54a169SMatthias Schwarzott return ret; 1823e54a169SMatthias Schwarzott } 1833e54a169SMatthias Schwarzott 1843e54a169SMatthias Schwarzott static int si2165_readreg16(struct si2165_state *state, 1853e54a169SMatthias Schwarzott const u16 reg, u16 *val) 1863e54a169SMatthias Schwarzott { 1873e54a169SMatthias Schwarzott u8 buf[2]; 1883e54a169SMatthias Schwarzott 1893e54a169SMatthias Schwarzott int ret = si2165_read(state, reg, buf, 2); 1903e54a169SMatthias Schwarzott *val = buf[0] | buf[1] << 8; 1913e54a169SMatthias Schwarzott deb_readreg("R(0x%04x)=0x%04x\n", reg, *val); 1923e54a169SMatthias Schwarzott return ret; 1933e54a169SMatthias Schwarzott } 1943e54a169SMatthias Schwarzott 1953e54a169SMatthias Schwarzott static int si2165_writereg8(struct si2165_state *state, const u16 reg, u8 val) 1963e54a169SMatthias Schwarzott { 1973e54a169SMatthias Schwarzott return si2165_write(state, reg, &val, 1); 1983e54a169SMatthias Schwarzott } 1993e54a169SMatthias Schwarzott 2003e54a169SMatthias Schwarzott static int si2165_writereg16(struct si2165_state *state, const u16 reg, u16 val) 2013e54a169SMatthias Schwarzott { 2023e54a169SMatthias Schwarzott u8 buf[2] = { val & 0xff, (val >> 8) & 0xff }; 2033e54a169SMatthias Schwarzott 2043e54a169SMatthias Schwarzott return si2165_write(state, reg, buf, 2); 2053e54a169SMatthias Schwarzott } 2063e54a169SMatthias Schwarzott 2073e54a169SMatthias Schwarzott static int si2165_writereg24(struct si2165_state *state, const u16 reg, u32 val) 2083e54a169SMatthias Schwarzott { 2093e54a169SMatthias Schwarzott u8 buf[3] = { val & 0xff, (val >> 8) & 0xff, (val >> 16) & 0xff }; 2103e54a169SMatthias Schwarzott 2113e54a169SMatthias Schwarzott return si2165_write(state, reg, buf, 3); 2123e54a169SMatthias Schwarzott } 2133e54a169SMatthias Schwarzott 2143e54a169SMatthias Schwarzott static int si2165_writereg32(struct si2165_state *state, const u16 reg, u32 val) 2153e54a169SMatthias Schwarzott { 2163e54a169SMatthias Schwarzott u8 buf[4] = { 2173e54a169SMatthias Schwarzott val & 0xff, 2183e54a169SMatthias Schwarzott (val >> 8) & 0xff, 2193e54a169SMatthias Schwarzott (val >> 16) & 0xff, 2203e54a169SMatthias Schwarzott (val >> 24) & 0xff 2213e54a169SMatthias Schwarzott }; 2223e54a169SMatthias Schwarzott return si2165_write(state, reg, buf, 4); 2233e54a169SMatthias Schwarzott } 2243e54a169SMatthias Schwarzott 2253e54a169SMatthias Schwarzott static int si2165_writereg_mask8(struct si2165_state *state, const u16 reg, 2263e54a169SMatthias Schwarzott u8 val, u8 mask) 2273e54a169SMatthias Schwarzott { 2283e54a169SMatthias Schwarzott int ret; 2293e54a169SMatthias Schwarzott u8 tmp; 2303e54a169SMatthias Schwarzott 2313e54a169SMatthias Schwarzott if (mask != 0xff) { 2323e54a169SMatthias Schwarzott ret = si2165_readreg8(state, reg, &tmp); 2333e54a169SMatthias Schwarzott if (ret < 0) 2343e54a169SMatthias Schwarzott goto err; 2353e54a169SMatthias Schwarzott 2363e54a169SMatthias Schwarzott val &= mask; 2373e54a169SMatthias Schwarzott tmp &= ~mask; 2383e54a169SMatthias Schwarzott val |= tmp; 2393e54a169SMatthias Schwarzott } 2403e54a169SMatthias Schwarzott 2413e54a169SMatthias Schwarzott ret = si2165_writereg8(state, reg, val); 2423e54a169SMatthias Schwarzott err: 2433e54a169SMatthias Schwarzott return ret; 2443e54a169SMatthias Schwarzott } 2453e54a169SMatthias Schwarzott 2463e54a169SMatthias Schwarzott static int si2165_get_tune_settings(struct dvb_frontend *fe, 2473e54a169SMatthias Schwarzott struct dvb_frontend_tune_settings *s) 2483e54a169SMatthias Schwarzott { 2493e54a169SMatthias Schwarzott s->min_delay_ms = 1000; 2503e54a169SMatthias Schwarzott return 0; 2513e54a169SMatthias Schwarzott } 2523e54a169SMatthias Schwarzott 2533e54a169SMatthias Schwarzott static int si2165_init_pll(struct si2165_state *state) 2543e54a169SMatthias Schwarzott { 2553e54a169SMatthias Schwarzott u32 ref_freq_Hz = state->config.ref_freq_Hz; 2563e54a169SMatthias Schwarzott u8 divr = 1; /* 1..7 */ 2573e54a169SMatthias Schwarzott u8 divp = 1; /* only 1 or 4 */ 2583e54a169SMatthias Schwarzott u8 divn = 56; /* 1..63 */ 2593e54a169SMatthias Schwarzott u8 divm = 8; 2603e54a169SMatthias Schwarzott u8 divl = 12; 2613e54a169SMatthias Schwarzott u8 buf[4]; 2623e54a169SMatthias Schwarzott 26318349f40SMatthias Schwarzott /* 26418349f40SMatthias Schwarzott * hardcoded values can be deleted if calculation is verified 26518349f40SMatthias Schwarzott * or it yields the same values as the windows driver 26618349f40SMatthias Schwarzott */ 2673e54a169SMatthias Schwarzott switch (ref_freq_Hz) { 2683e54a169SMatthias Schwarzott case 16000000u: 2693e54a169SMatthias Schwarzott divn = 56; 2703e54a169SMatthias Schwarzott break; 2713e54a169SMatthias Schwarzott case 24000000u: 2723e54a169SMatthias Schwarzott divr = 2; 2733e54a169SMatthias Schwarzott divp = 4; 2743e54a169SMatthias Schwarzott divn = 19; 2753e54a169SMatthias Schwarzott break; 2763e54a169SMatthias Schwarzott default: 2773e54a169SMatthias Schwarzott /* ref_freq / divr must be between 4 and 16 MHz */ 2783e54a169SMatthias Schwarzott if (ref_freq_Hz > 16000000u) 2793e54a169SMatthias Schwarzott divr = 2; 2803e54a169SMatthias Schwarzott 28118349f40SMatthias Schwarzott /* 28218349f40SMatthias Schwarzott * now select divn and divp such that 28318349f40SMatthias Schwarzott * fvco is in 1624..1824 MHz 28418349f40SMatthias Schwarzott */ 2853e54a169SMatthias Schwarzott if (1624000000u * divr > ref_freq_Hz * 2u * 63u) 2863e54a169SMatthias Schwarzott divp = 4; 2873e54a169SMatthias Schwarzott 2883e54a169SMatthias Schwarzott /* is this already correct regarding rounding? */ 2893e54a169SMatthias Schwarzott divn = 1624000000u * divr / (ref_freq_Hz * 2u * divp); 2903e54a169SMatthias Schwarzott break; 2913e54a169SMatthias Schwarzott } 2923e54a169SMatthias Schwarzott 2933e54a169SMatthias Schwarzott /* adc_clk and sys_clk depend on xtal and pll settings */ 2943e54a169SMatthias Schwarzott state->fvco_hz = ref_freq_Hz / divr 2953e54a169SMatthias Schwarzott * 2u * divn * divp; 2963e54a169SMatthias Schwarzott state->adc_clk = state->fvco_hz / (divm * 4u); 2973e54a169SMatthias Schwarzott state->sys_clk = state->fvco_hz / (divl * 2u); 2983e54a169SMatthias Schwarzott 2993e54a169SMatthias Schwarzott /* write pll registers 0x00a0..0x00a3 at once */ 3003e54a169SMatthias Schwarzott buf[0] = divl; 3013e54a169SMatthias Schwarzott buf[1] = divm; 3023e54a169SMatthias Schwarzott buf[2] = (divn & 0x3f) | ((divp == 1) ? 0x40 : 0x00) | 0x80; 3033e54a169SMatthias Schwarzott buf[3] = divr; 3043e54a169SMatthias Schwarzott return si2165_write(state, 0x00a0, buf, 4); 3053e54a169SMatthias Schwarzott } 3063e54a169SMatthias Schwarzott 3073e54a169SMatthias Schwarzott static int si2165_adjust_pll_divl(struct si2165_state *state, u8 divl) 3083e54a169SMatthias Schwarzott { 3093e54a169SMatthias Schwarzott state->sys_clk = state->fvco_hz / (divl * 2u); 3103e54a169SMatthias Schwarzott return si2165_writereg8(state, 0x00a0, divl); /* pll_divl */ 3113e54a169SMatthias Schwarzott } 3123e54a169SMatthias Schwarzott 3133e54a169SMatthias Schwarzott static u32 si2165_get_fe_clk(struct si2165_state *state) 3143e54a169SMatthias Schwarzott { 3153e54a169SMatthias Schwarzott /* assume Oversampling mode Ovr4 is used */ 3163e54a169SMatthias Schwarzott return state->adc_clk; 3173e54a169SMatthias Schwarzott } 3183e54a169SMatthias Schwarzott 319e73c7bfeSHans Verkuil static int si2165_wait_init_done(struct si2165_state *state) 3203e54a169SMatthias Schwarzott { 3213e54a169SMatthias Schwarzott int ret = -EINVAL; 3223e54a169SMatthias Schwarzott u8 val = 0; 3233e54a169SMatthias Schwarzott int i; 3243e54a169SMatthias Schwarzott 3253e54a169SMatthias Schwarzott for (i = 0; i < 3; ++i) { 3263e54a169SMatthias Schwarzott si2165_readreg8(state, 0x0054, &val); 3273e54a169SMatthias Schwarzott if (val == 0x01) 3283e54a169SMatthias Schwarzott return 0; 3293e54a169SMatthias Schwarzott usleep_range(1000, 50000); 3303e54a169SMatthias Schwarzott } 3313e54a169SMatthias Schwarzott dev_err(&state->i2c->dev, "%s: init_done was not set\n", 3323e54a169SMatthias Schwarzott KBUILD_MODNAME); 3333e54a169SMatthias Schwarzott return ret; 3343e54a169SMatthias Schwarzott } 3353e54a169SMatthias Schwarzott 3363e54a169SMatthias Schwarzott static int si2165_upload_firmware_block(struct si2165_state *state, 3373e54a169SMatthias Schwarzott const u8 *data, u32 len, u32 *poffset, u32 block_count) 3383e54a169SMatthias Schwarzott { 3393e54a169SMatthias Schwarzott int ret; 3403e54a169SMatthias Schwarzott u8 buf_ctrl[4] = { 0x00, 0x00, 0x00, 0xc0 }; 3413e54a169SMatthias Schwarzott u8 wordcount; 3423e54a169SMatthias Schwarzott u32 cur_block = 0; 3433e54a169SMatthias Schwarzott u32 offset = poffset ? *poffset : 0; 3443e54a169SMatthias Schwarzott 3453e54a169SMatthias Schwarzott if (len < 4) 3463e54a169SMatthias Schwarzott return -EINVAL; 3473e54a169SMatthias Schwarzott if (len % 4 != 0) 3483e54a169SMatthias Schwarzott return -EINVAL; 3493e54a169SMatthias Schwarzott 35018349f40SMatthias Schwarzott deb_fw_load( 35118349f40SMatthias Schwarzott "si2165_upload_firmware_block called with len=0x%x offset=0x%x blockcount=0x%x\n", 3523e54a169SMatthias Schwarzott len, offset, block_count); 3533e54a169SMatthias Schwarzott while (offset+12 <= len && cur_block < block_count) { 35418349f40SMatthias Schwarzott deb_fw_load( 35518349f40SMatthias Schwarzott "si2165_upload_firmware_block in while len=0x%x offset=0x%x cur_block=0x%x blockcount=0x%x\n", 3563e54a169SMatthias Schwarzott len, offset, cur_block, block_count); 3573e54a169SMatthias Schwarzott wordcount = data[offset]; 3583e54a169SMatthias Schwarzott if (wordcount < 1 || data[offset+1] || 3593e54a169SMatthias Schwarzott data[offset+2] || data[offset+3]) { 3603e54a169SMatthias Schwarzott dev_warn(&state->i2c->dev, 3613e54a169SMatthias Schwarzott "%s: bad fw data[0..3] = %*ph\n", 3623e54a169SMatthias Schwarzott KBUILD_MODNAME, 4, data); 3633e54a169SMatthias Schwarzott return -EINVAL; 3643e54a169SMatthias Schwarzott } 3653e54a169SMatthias Schwarzott 3663e54a169SMatthias Schwarzott if (offset + 8 + wordcount * 4 > len) { 3673e54a169SMatthias Schwarzott dev_warn(&state->i2c->dev, 3683e54a169SMatthias Schwarzott "%s: len is too small for block len=%d, wordcount=%d\n", 3693e54a169SMatthias Schwarzott KBUILD_MODNAME, len, wordcount); 3703e54a169SMatthias Schwarzott return -EINVAL; 3713e54a169SMatthias Schwarzott } 3723e54a169SMatthias Schwarzott 3733e54a169SMatthias Schwarzott buf_ctrl[0] = wordcount - 1; 3743e54a169SMatthias Schwarzott 3753e54a169SMatthias Schwarzott ret = si2165_write(state, 0x0364, buf_ctrl, 4); 3763e54a169SMatthias Schwarzott if (ret < 0) 3773e54a169SMatthias Schwarzott goto error; 3783e54a169SMatthias Schwarzott ret = si2165_write(state, 0x0368, data+offset+4, 4); 3793e54a169SMatthias Schwarzott if (ret < 0) 3803e54a169SMatthias Schwarzott goto error; 3813e54a169SMatthias Schwarzott 3823e54a169SMatthias Schwarzott offset += 8; 3833e54a169SMatthias Schwarzott 3843e54a169SMatthias Schwarzott while (wordcount > 0) { 3853e54a169SMatthias Schwarzott ret = si2165_write(state, 0x36c, data+offset, 4); 3863e54a169SMatthias Schwarzott if (ret < 0) 3873e54a169SMatthias Schwarzott goto error; 3883e54a169SMatthias Schwarzott wordcount--; 3893e54a169SMatthias Schwarzott offset += 4; 3903e54a169SMatthias Schwarzott } 3913e54a169SMatthias Schwarzott cur_block++; 3923e54a169SMatthias Schwarzott } 3933e54a169SMatthias Schwarzott 39418349f40SMatthias Schwarzott deb_fw_load( 39518349f40SMatthias Schwarzott "si2165_upload_firmware_block after while len=0x%x offset=0x%x cur_block=0x%x blockcount=0x%x\n", 3963e54a169SMatthias Schwarzott len, offset, cur_block, block_count); 3973e54a169SMatthias Schwarzott 3983e54a169SMatthias Schwarzott if (poffset) 3993e54a169SMatthias Schwarzott *poffset = offset; 4003e54a169SMatthias Schwarzott 4013e54a169SMatthias Schwarzott deb_fw_load("si2165_upload_firmware_block returned offset=0x%x\n", 4023e54a169SMatthias Schwarzott offset); 4033e54a169SMatthias Schwarzott 4043e54a169SMatthias Schwarzott return 0; 4053e54a169SMatthias Schwarzott error: 4063e54a169SMatthias Schwarzott return ret; 4073e54a169SMatthias Schwarzott } 4083e54a169SMatthias Schwarzott 4093e54a169SMatthias Schwarzott static int si2165_upload_firmware(struct si2165_state *state) 4103e54a169SMatthias Schwarzott { 4113e54a169SMatthias Schwarzott /* int ret; */ 4123e54a169SMatthias Schwarzott u8 val[3]; 4133e54a169SMatthias Schwarzott u16 val16; 4143e54a169SMatthias Schwarzott int ret; 4153e54a169SMatthias Schwarzott 4163e54a169SMatthias Schwarzott const struct firmware *fw = NULL; 41755bea400SMatthias Schwarzott u8 *fw_file; 4183e54a169SMatthias Schwarzott const u8 *data; 4193e54a169SMatthias Schwarzott u32 len; 4203e54a169SMatthias Schwarzott u32 offset; 4213e54a169SMatthias Schwarzott u8 patch_version; 4223e54a169SMatthias Schwarzott u8 block_count; 4233e54a169SMatthias Schwarzott u16 crc_expected; 4243e54a169SMatthias Schwarzott 42555bea400SMatthias Schwarzott switch (state->chip_revcode) { 42655bea400SMatthias Schwarzott case 0x03: /* revision D */ 42755bea400SMatthias Schwarzott fw_file = SI2165_FIRMWARE_REV_D; 42855bea400SMatthias Schwarzott break; 42955bea400SMatthias Schwarzott default: 43055bea400SMatthias Schwarzott dev_info(&state->i2c->dev, "%s: no firmware file for revision=%d\n", 43155bea400SMatthias Schwarzott KBUILD_MODNAME, state->chip_revcode); 43255bea400SMatthias Schwarzott return 0; 43355bea400SMatthias Schwarzott } 43455bea400SMatthias Schwarzott 4353e54a169SMatthias Schwarzott /* request the firmware, this will block and timeout */ 4363e54a169SMatthias Schwarzott ret = request_firmware(&fw, fw_file, state->i2c->dev.parent); 4373e54a169SMatthias Schwarzott if (ret) { 43855bea400SMatthias Schwarzott dev_warn(&state->i2c->dev, "%s: firmware file '%s' not found\n", 4393e54a169SMatthias Schwarzott KBUILD_MODNAME, fw_file); 4403e54a169SMatthias Schwarzott goto error; 4413e54a169SMatthias Schwarzott } 4423e54a169SMatthias Schwarzott 4433e54a169SMatthias Schwarzott data = fw->data; 4443e54a169SMatthias Schwarzott len = fw->size; 4453e54a169SMatthias Schwarzott 4463e54a169SMatthias Schwarzott dev_info(&state->i2c->dev, "%s: downloading firmware from file '%s' size=%d\n", 4473e54a169SMatthias Schwarzott KBUILD_MODNAME, fw_file, len); 4483e54a169SMatthias Schwarzott 4493e54a169SMatthias Schwarzott if (len % 4 != 0) { 4503e54a169SMatthias Schwarzott dev_warn(&state->i2c->dev, "%s: firmware size is not multiple of 4\n", 4513e54a169SMatthias Schwarzott KBUILD_MODNAME); 4523e54a169SMatthias Schwarzott ret = -EINVAL; 4533e54a169SMatthias Schwarzott goto error; 4543e54a169SMatthias Schwarzott } 4553e54a169SMatthias Schwarzott 4563e54a169SMatthias Schwarzott /* check header (8 bytes) */ 4573e54a169SMatthias Schwarzott if (len < 8) { 4583e54a169SMatthias Schwarzott dev_warn(&state->i2c->dev, "%s: firmware header is missing\n", 4593e54a169SMatthias Schwarzott KBUILD_MODNAME); 4603e54a169SMatthias Schwarzott ret = -EINVAL; 4613e54a169SMatthias Schwarzott goto error; 4623e54a169SMatthias Schwarzott } 4633e54a169SMatthias Schwarzott 4643e54a169SMatthias Schwarzott if (data[0] != 1 || data[1] != 0) { 4653e54a169SMatthias Schwarzott dev_warn(&state->i2c->dev, "%s: firmware file version is wrong\n", 4663e54a169SMatthias Schwarzott KBUILD_MODNAME); 4673e54a169SMatthias Schwarzott ret = -EINVAL; 4683e54a169SMatthias Schwarzott goto error; 4693e54a169SMatthias Schwarzott } 4703e54a169SMatthias Schwarzott 4713e54a169SMatthias Schwarzott patch_version = data[2]; 4723e54a169SMatthias Schwarzott block_count = data[4]; 4733e54a169SMatthias Schwarzott crc_expected = data[7] << 8 | data[6]; 4743e54a169SMatthias Schwarzott 4753e54a169SMatthias Schwarzott /* start uploading fw */ 4763e54a169SMatthias Schwarzott /* boot/wdog status */ 4773e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0341, 0x00); 4783e54a169SMatthias Schwarzott if (ret < 0) 4793e54a169SMatthias Schwarzott goto error; 4803e54a169SMatthias Schwarzott /* reset */ 4813e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x00c0, 0x00); 4823e54a169SMatthias Schwarzott if (ret < 0) 4833e54a169SMatthias Schwarzott goto error; 4843e54a169SMatthias Schwarzott /* boot/wdog status */ 4853e54a169SMatthias Schwarzott ret = si2165_readreg8(state, 0x0341, val); 4863e54a169SMatthias Schwarzott if (ret < 0) 4873e54a169SMatthias Schwarzott goto error; 4883e54a169SMatthias Schwarzott 4893e54a169SMatthias Schwarzott /* enable reset on error */ 4903e54a169SMatthias Schwarzott ret = si2165_readreg8(state, 0x035c, val); 4913e54a169SMatthias Schwarzott if (ret < 0) 4923e54a169SMatthias Schwarzott goto error; 4933e54a169SMatthias Schwarzott ret = si2165_readreg8(state, 0x035c, val); 4943e54a169SMatthias Schwarzott if (ret < 0) 4953e54a169SMatthias Schwarzott goto error; 4963e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x035c, 0x02); 4973e54a169SMatthias Schwarzott if (ret < 0) 4983e54a169SMatthias Schwarzott goto error; 4993e54a169SMatthias Schwarzott 5003e54a169SMatthias Schwarzott /* start right after the header */ 5013e54a169SMatthias Schwarzott offset = 8; 5023e54a169SMatthias Schwarzott 5033e54a169SMatthias Schwarzott dev_info(&state->i2c->dev, "%s: si2165_upload_firmware extracted patch_version=0x%02x, block_count=0x%02x, crc_expected=0x%04x\n", 5043e54a169SMatthias Schwarzott KBUILD_MODNAME, patch_version, block_count, crc_expected); 5053e54a169SMatthias Schwarzott 5063e54a169SMatthias Schwarzott ret = si2165_upload_firmware_block(state, data, len, &offset, 1); 5073e54a169SMatthias Schwarzott if (ret < 0) 5083e54a169SMatthias Schwarzott goto error; 5093e54a169SMatthias Schwarzott 5103e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0344, patch_version); 5113e54a169SMatthias Schwarzott if (ret < 0) 5123e54a169SMatthias Schwarzott goto error; 5133e54a169SMatthias Schwarzott 5143e54a169SMatthias Schwarzott /* reset crc */ 5153e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0379, 0x01); 5163e54a169SMatthias Schwarzott if (ret) 517ec73b9fdSChristian Engelmayer goto error; 5183e54a169SMatthias Schwarzott 5193e54a169SMatthias Schwarzott ret = si2165_upload_firmware_block(state, data, len, 5203e54a169SMatthias Schwarzott &offset, block_count); 5213e54a169SMatthias Schwarzott if (ret < 0) { 5223e54a169SMatthias Schwarzott dev_err(&state->i2c->dev, 5233e54a169SMatthias Schwarzott "%s: firmare could not be uploaded\n", 5243e54a169SMatthias Schwarzott KBUILD_MODNAME); 5253e54a169SMatthias Schwarzott goto error; 5263e54a169SMatthias Schwarzott } 5273e54a169SMatthias Schwarzott 5283e54a169SMatthias Schwarzott /* read crc */ 5293e54a169SMatthias Schwarzott ret = si2165_readreg16(state, 0x037a, &val16); 5303e54a169SMatthias Schwarzott if (ret) 5313e54a169SMatthias Schwarzott goto error; 5323e54a169SMatthias Schwarzott 5333e54a169SMatthias Schwarzott if (val16 != crc_expected) { 5343e54a169SMatthias Schwarzott dev_err(&state->i2c->dev, 5353e54a169SMatthias Schwarzott "%s: firmware crc mismatch %04x != %04x\n", 5363e54a169SMatthias Schwarzott KBUILD_MODNAME, val16, crc_expected); 5373e54a169SMatthias Schwarzott ret = -EINVAL; 5383e54a169SMatthias Schwarzott goto error; 5393e54a169SMatthias Schwarzott } 5403e54a169SMatthias Schwarzott 5413e54a169SMatthias Schwarzott ret = si2165_upload_firmware_block(state, data, len, &offset, 5); 5423e54a169SMatthias Schwarzott if (ret) 5433e54a169SMatthias Schwarzott goto error; 5443e54a169SMatthias Schwarzott 5453e54a169SMatthias Schwarzott if (len != offset) { 5463e54a169SMatthias Schwarzott dev_err(&state->i2c->dev, 5473e54a169SMatthias Schwarzott "%s: firmare len mismatch %04x != %04x\n", 5483e54a169SMatthias Schwarzott KBUILD_MODNAME, len, offset); 5493e54a169SMatthias Schwarzott ret = -EINVAL; 5503e54a169SMatthias Schwarzott goto error; 5513e54a169SMatthias Schwarzott } 5523e54a169SMatthias Schwarzott 5533e54a169SMatthias Schwarzott /* reset watchdog error register */ 5543e54a169SMatthias Schwarzott ret = si2165_writereg_mask8(state, 0x0341, 0x02, 0x02); 5553e54a169SMatthias Schwarzott if (ret < 0) 5563e54a169SMatthias Schwarzott goto error; 5573e54a169SMatthias Schwarzott 5583e54a169SMatthias Schwarzott /* enable reset on error */ 5593e54a169SMatthias Schwarzott ret = si2165_writereg_mask8(state, 0x035c, 0x01, 0x01); 5603e54a169SMatthias Schwarzott if (ret < 0) 5613e54a169SMatthias Schwarzott goto error; 5623e54a169SMatthias Schwarzott 5633e54a169SMatthias Schwarzott dev_info(&state->i2c->dev, "%s: fw load finished\n", KBUILD_MODNAME); 5643e54a169SMatthias Schwarzott 5653e54a169SMatthias Schwarzott ret = 0; 5663e54a169SMatthias Schwarzott state->firmware_loaded = true; 5673e54a169SMatthias Schwarzott error: 5683e54a169SMatthias Schwarzott if (fw) { 5693e54a169SMatthias Schwarzott release_firmware(fw); 5703e54a169SMatthias Schwarzott fw = NULL; 5713e54a169SMatthias Schwarzott } 5723e54a169SMatthias Schwarzott 5733e54a169SMatthias Schwarzott return ret; 5743e54a169SMatthias Schwarzott } 5753e54a169SMatthias Schwarzott 5763e54a169SMatthias Schwarzott static int si2165_init(struct dvb_frontend *fe) 5773e54a169SMatthias Schwarzott { 5783e54a169SMatthias Schwarzott int ret = 0; 5793e54a169SMatthias Schwarzott struct si2165_state *state = fe->demodulator_priv; 5803e54a169SMatthias Schwarzott u8 val; 5813e54a169SMatthias Schwarzott u8 patch_version = 0x00; 5823e54a169SMatthias Schwarzott 5833e54a169SMatthias Schwarzott dprintk("%s: called\n", __func__); 5843e54a169SMatthias Schwarzott 5853e54a169SMatthias Schwarzott /* powerup */ 5863e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0000, state->config.chip_mode); 5873e54a169SMatthias Schwarzott if (ret < 0) 5883e54a169SMatthias Schwarzott goto error; 5893e54a169SMatthias Schwarzott /* dsp_clock_enable */ 5903e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0104, 0x01); 5913e54a169SMatthias Schwarzott if (ret < 0) 5923e54a169SMatthias Schwarzott goto error; 5933e54a169SMatthias Schwarzott ret = si2165_readreg8(state, 0x0000, &val); /* verify chip_mode */ 5943e54a169SMatthias Schwarzott if (ret < 0) 5953e54a169SMatthias Schwarzott goto error; 5963e54a169SMatthias Schwarzott if (val != state->config.chip_mode) { 5973e54a169SMatthias Schwarzott dev_err(&state->i2c->dev, "%s: could not set chip_mode\n", 5983e54a169SMatthias Schwarzott KBUILD_MODNAME); 5993e54a169SMatthias Schwarzott return -EINVAL; 6003e54a169SMatthias Schwarzott } 6013e54a169SMatthias Schwarzott 6023e54a169SMatthias Schwarzott /* agc */ 6033e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x018b, 0x00); 6043e54a169SMatthias Schwarzott if (ret < 0) 6053e54a169SMatthias Schwarzott goto error; 6063e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0190, 0x01); 6073e54a169SMatthias Schwarzott if (ret < 0) 6083e54a169SMatthias Schwarzott goto error; 6093e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0170, 0x00); 6103e54a169SMatthias Schwarzott if (ret < 0) 6113e54a169SMatthias Schwarzott goto error; 6123e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0171, 0x07); 6133e54a169SMatthias Schwarzott if (ret < 0) 6143e54a169SMatthias Schwarzott goto error; 6153e54a169SMatthias Schwarzott /* rssi pad */ 6163e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0646, 0x00); 6173e54a169SMatthias Schwarzott if (ret < 0) 6183e54a169SMatthias Schwarzott goto error; 6193e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0641, 0x00); 6203e54a169SMatthias Schwarzott if (ret < 0) 6213e54a169SMatthias Schwarzott goto error; 6223e54a169SMatthias Schwarzott 6233e54a169SMatthias Schwarzott ret = si2165_init_pll(state); 6243e54a169SMatthias Schwarzott if (ret < 0) 6253e54a169SMatthias Schwarzott goto error; 6263e54a169SMatthias Schwarzott 6273e54a169SMatthias Schwarzott /* enable chip_init */ 6283e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0050, 0x01); 6293e54a169SMatthias Schwarzott if (ret < 0) 6303e54a169SMatthias Schwarzott goto error; 6313e54a169SMatthias Schwarzott /* set start_init */ 6323e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0096, 0x01); 6333e54a169SMatthias Schwarzott if (ret < 0) 6343e54a169SMatthias Schwarzott goto error; 6353e54a169SMatthias Schwarzott ret = si2165_wait_init_done(state); 6363e54a169SMatthias Schwarzott if (ret < 0) 6373e54a169SMatthias Schwarzott goto error; 6383e54a169SMatthias Schwarzott 6393e54a169SMatthias Schwarzott /* disable chip_init */ 6403e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0050, 0x00); 6413e54a169SMatthias Schwarzott if (ret < 0) 6423e54a169SMatthias Schwarzott goto error; 6433e54a169SMatthias Schwarzott 6443e54a169SMatthias Schwarzott /* ber_pkt */ 6453e54a169SMatthias Schwarzott ret = si2165_writereg16(state, 0x0470, 0x7530); 6463e54a169SMatthias Schwarzott if (ret < 0) 6473e54a169SMatthias Schwarzott goto error; 6483e54a169SMatthias Schwarzott 6493e54a169SMatthias Schwarzott ret = si2165_readreg8(state, 0x0344, &patch_version); 6503e54a169SMatthias Schwarzott if (ret < 0) 6513e54a169SMatthias Schwarzott goto error; 6523e54a169SMatthias Schwarzott 6533e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x00cb, 0x00); 6543e54a169SMatthias Schwarzott if (ret < 0) 6553e54a169SMatthias Schwarzott goto error; 6563e54a169SMatthias Schwarzott 6573e54a169SMatthias Schwarzott /* dsp_addr_jump */ 6583e54a169SMatthias Schwarzott ret = si2165_writereg32(state, 0x0348, 0xf4000000); 6593e54a169SMatthias Schwarzott if (ret < 0) 6603e54a169SMatthias Schwarzott goto error; 6613e54a169SMatthias Schwarzott /* boot/wdog status */ 6623e54a169SMatthias Schwarzott ret = si2165_readreg8(state, 0x0341, &val); 6633e54a169SMatthias Schwarzott if (ret < 0) 6643e54a169SMatthias Schwarzott goto error; 6653e54a169SMatthias Schwarzott 6663e54a169SMatthias Schwarzott if (patch_version == 0x00) { 6673e54a169SMatthias Schwarzott ret = si2165_upload_firmware(state); 6683e54a169SMatthias Schwarzott if (ret < 0) 6693e54a169SMatthias Schwarzott goto error; 6703e54a169SMatthias Schwarzott } 6713e54a169SMatthias Schwarzott 6723e54a169SMatthias Schwarzott /* write adc values after each reset*/ 6733e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x012a, 0x46); 6743e54a169SMatthias Schwarzott if (ret < 0) 6753e54a169SMatthias Schwarzott goto error; 6763e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x012c, 0x00); 6773e54a169SMatthias Schwarzott if (ret < 0) 6783e54a169SMatthias Schwarzott goto error; 6793e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x012e, 0x0a); 6803e54a169SMatthias Schwarzott if (ret < 0) 6813e54a169SMatthias Schwarzott goto error; 6823e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x012f, 0xff); 6833e54a169SMatthias Schwarzott if (ret < 0) 6843e54a169SMatthias Schwarzott goto error; 6853e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0123, 0x70); 6863e54a169SMatthias Schwarzott if (ret < 0) 6873e54a169SMatthias Schwarzott goto error; 6883e54a169SMatthias Schwarzott 6893e54a169SMatthias Schwarzott return 0; 6903e54a169SMatthias Schwarzott error: 6913e54a169SMatthias Schwarzott return ret; 6923e54a169SMatthias Schwarzott } 6933e54a169SMatthias Schwarzott 6943e54a169SMatthias Schwarzott static int si2165_sleep(struct dvb_frontend *fe) 6953e54a169SMatthias Schwarzott { 6963e54a169SMatthias Schwarzott int ret; 6973e54a169SMatthias Schwarzott struct si2165_state *state = fe->demodulator_priv; 6983e54a169SMatthias Schwarzott 6993e54a169SMatthias Schwarzott /* dsp clock disable */ 7003e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0104, 0x00); 7013e54a169SMatthias Schwarzott if (ret < 0) 7023e54a169SMatthias Schwarzott return ret; 7033e54a169SMatthias Schwarzott /* chip mode */ 7043e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0000, SI2165_MODE_OFF); 7053e54a169SMatthias Schwarzott if (ret < 0) 7063e54a169SMatthias Schwarzott return ret; 7073e54a169SMatthias Schwarzott return 0; 7083e54a169SMatthias Schwarzott } 7093e54a169SMatthias Schwarzott 7100df289a2SMauro Carvalho Chehab static int si2165_read_status(struct dvb_frontend *fe, enum fe_status *status) 7113e54a169SMatthias Schwarzott { 7123e54a169SMatthias Schwarzott int ret; 7133e54a169SMatthias Schwarzott u8 fec_lock = 0; 7143e54a169SMatthias Schwarzott struct si2165_state *state = fe->demodulator_priv; 7153e54a169SMatthias Schwarzott 7163e54a169SMatthias Schwarzott if (!state->has_dvbt) 7173e54a169SMatthias Schwarzott return -EINVAL; 7183e54a169SMatthias Schwarzott 7193e54a169SMatthias Schwarzott /* check fec_lock */ 7203e54a169SMatthias Schwarzott ret = si2165_readreg8(state, 0x4e0, &fec_lock); 7213e54a169SMatthias Schwarzott if (ret < 0) 7223e54a169SMatthias Schwarzott return ret; 7233e54a169SMatthias Schwarzott *status = 0; 7243e54a169SMatthias Schwarzott if (fec_lock & 0x01) { 7253e54a169SMatthias Schwarzott *status |= FE_HAS_SIGNAL; 7263e54a169SMatthias Schwarzott *status |= FE_HAS_CARRIER; 7273e54a169SMatthias Schwarzott *status |= FE_HAS_VITERBI; 7283e54a169SMatthias Schwarzott *status |= FE_HAS_SYNC; 7293e54a169SMatthias Schwarzott *status |= FE_HAS_LOCK; 7303e54a169SMatthias Schwarzott } 7313e54a169SMatthias Schwarzott 7323e54a169SMatthias Schwarzott return 0; 7333e54a169SMatthias Schwarzott } 7343e54a169SMatthias Schwarzott 7353e54a169SMatthias Schwarzott static int si2165_set_oversamp(struct si2165_state *state, u32 dvb_rate) 7363e54a169SMatthias Schwarzott { 7373e54a169SMatthias Schwarzott u64 oversamp; 7383e54a169SMatthias Schwarzott u32 reg_value; 7393e54a169SMatthias Schwarzott 7403e54a169SMatthias Schwarzott oversamp = si2165_get_fe_clk(state); 7413e54a169SMatthias Schwarzott oversamp <<= 23; 7423e54a169SMatthias Schwarzott do_div(oversamp, dvb_rate); 7433e54a169SMatthias Schwarzott reg_value = oversamp & 0x3fffffff; 7443e54a169SMatthias Schwarzott 7453e54a169SMatthias Schwarzott /* oversamp, usbdump contained 0x03100000; */ 7463e54a169SMatthias Schwarzott return si2165_writereg32(state, 0x00e4, reg_value); 7473e54a169SMatthias Schwarzott } 7483e54a169SMatthias Schwarzott 7493e54a169SMatthias Schwarzott static int si2165_set_if_freq_shift(struct si2165_state *state, u32 IF) 7503e54a169SMatthias Schwarzott { 7513e54a169SMatthias Schwarzott u64 if_freq_shift; 7523e54a169SMatthias Schwarzott s32 reg_value = 0; 7533e54a169SMatthias Schwarzott u32 fe_clk = si2165_get_fe_clk(state); 7543e54a169SMatthias Schwarzott 7553e54a169SMatthias Schwarzott if_freq_shift = IF; 7563e54a169SMatthias Schwarzott if_freq_shift <<= 29; 7573e54a169SMatthias Schwarzott 7583e54a169SMatthias Schwarzott do_div(if_freq_shift, fe_clk); 7593e54a169SMatthias Schwarzott reg_value = (s32)if_freq_shift; 7603e54a169SMatthias Schwarzott 7613e54a169SMatthias Schwarzott if (state->config.inversion) 7623e54a169SMatthias Schwarzott reg_value = -reg_value; 7633e54a169SMatthias Schwarzott 7643e54a169SMatthias Schwarzott reg_value = reg_value & 0x1fffffff; 7653e54a169SMatthias Schwarzott 7663e54a169SMatthias Schwarzott /* if_freq_shift, usbdump contained 0x023ee08f; */ 7673e54a169SMatthias Schwarzott return si2165_writereg32(state, 0x00e8, reg_value); 7683e54a169SMatthias Schwarzott } 7693e54a169SMatthias Schwarzott 7703e54a169SMatthias Schwarzott static int si2165_set_parameters(struct dvb_frontend *fe) 7713e54a169SMatthias Schwarzott { 7723e54a169SMatthias Schwarzott int ret; 7733e54a169SMatthias Schwarzott struct dtv_frontend_properties *p = &fe->dtv_property_cache; 7743e54a169SMatthias Schwarzott struct si2165_state *state = fe->demodulator_priv; 7753e54a169SMatthias Schwarzott u8 val[3]; 7763e54a169SMatthias Schwarzott u32 IF; 7773e54a169SMatthias Schwarzott u32 dvb_rate = 0; 7783e54a169SMatthias Schwarzott u16 bw10k; 7793e54a169SMatthias Schwarzott 7803e54a169SMatthias Schwarzott dprintk("%s: called\n", __func__); 7813e54a169SMatthias Schwarzott 7823e54a169SMatthias Schwarzott if (!fe->ops.tuner_ops.get_if_frequency) { 7833e54a169SMatthias Schwarzott dev_err(&state->i2c->dev, 7843e54a169SMatthias Schwarzott "%s: Error: get_if_frequency() not defined at tuner. Can't work without it!\n", 7853e54a169SMatthias Schwarzott KBUILD_MODNAME); 7863e54a169SMatthias Schwarzott return -EINVAL; 7873e54a169SMatthias Schwarzott } 7883e54a169SMatthias Schwarzott 7893e54a169SMatthias Schwarzott if (!state->has_dvbt) 7903e54a169SMatthias Schwarzott return -EINVAL; 7913e54a169SMatthias Schwarzott 7923e54a169SMatthias Schwarzott if (p->bandwidth_hz > 0) { 7933e54a169SMatthias Schwarzott dvb_rate = p->bandwidth_hz * 8 / 7; 7943e54a169SMatthias Schwarzott bw10k = p->bandwidth_hz / 10000; 7953e54a169SMatthias Schwarzott } else { 7963e54a169SMatthias Schwarzott dvb_rate = 8 * 8 / 7; 7973e54a169SMatthias Schwarzott bw10k = 800; 7983e54a169SMatthias Schwarzott } 7993e54a169SMatthias Schwarzott 8003e54a169SMatthias Schwarzott /* standard = DVB-T */ 8013e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x00ec, 0x01); 8023e54a169SMatthias Schwarzott if (ret < 0) 8033e54a169SMatthias Schwarzott return ret; 8043e54a169SMatthias Schwarzott ret = si2165_adjust_pll_divl(state, 12); 8053e54a169SMatthias Schwarzott if (ret < 0) 8063e54a169SMatthias Schwarzott return ret; 8073e54a169SMatthias Schwarzott 8083e54a169SMatthias Schwarzott fe->ops.tuner_ops.get_if_frequency(fe, &IF); 8093e54a169SMatthias Schwarzott ret = si2165_set_if_freq_shift(state, IF); 8103e54a169SMatthias Schwarzott if (ret < 0) 8113e54a169SMatthias Schwarzott return ret; 8123e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x08f8, 0x00); 8133e54a169SMatthias Schwarzott if (ret < 0) 8143e54a169SMatthias Schwarzott return ret; 8153e54a169SMatthias Schwarzott /* ts output config */ 8163e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x04e4, 0x20); 8173e54a169SMatthias Schwarzott if (ret < 0) 8183e54a169SMatthias Schwarzott return ret; 8193e54a169SMatthias Schwarzott ret = si2165_writereg16(state, 0x04ef, 0x00fe); 8203e54a169SMatthias Schwarzott if (ret < 0) 8213e54a169SMatthias Schwarzott return ret; 8223e54a169SMatthias Schwarzott ret = si2165_writereg24(state, 0x04f4, 0x555555); 8233e54a169SMatthias Schwarzott if (ret < 0) 8243e54a169SMatthias Schwarzott return ret; 8253e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x04e5, 0x01); 8263e54a169SMatthias Schwarzott if (ret < 0) 8273e54a169SMatthias Schwarzott return ret; 8283e54a169SMatthias Schwarzott /* bandwidth in 10KHz steps */ 8293e54a169SMatthias Schwarzott ret = si2165_writereg16(state, 0x0308, bw10k); 8303e54a169SMatthias Schwarzott if (ret < 0) 8313e54a169SMatthias Schwarzott return ret; 8323e54a169SMatthias Schwarzott ret = si2165_set_oversamp(state, dvb_rate); 8333e54a169SMatthias Schwarzott if (ret < 0) 8343e54a169SMatthias Schwarzott return ret; 8353e54a169SMatthias Schwarzott /* impulsive_noise_remover */ 8363e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x031c, 0x01); 8373e54a169SMatthias Schwarzott if (ret < 0) 8383e54a169SMatthias Schwarzott return ret; 8393e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x00cb, 0x00); 8403e54a169SMatthias Schwarzott if (ret < 0) 8413e54a169SMatthias Schwarzott return ret; 8423e54a169SMatthias Schwarzott /* agc2 */ 8433e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x016e, 0x41); 8443e54a169SMatthias Schwarzott if (ret < 0) 8453e54a169SMatthias Schwarzott return ret; 8463e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x016c, 0x0e); 8473e54a169SMatthias Schwarzott if (ret < 0) 8483e54a169SMatthias Schwarzott return ret; 8493e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x016d, 0x10); 8503e54a169SMatthias Schwarzott if (ret < 0) 8513e54a169SMatthias Schwarzott return ret; 8523e54a169SMatthias Schwarzott /* agc */ 8533e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x015b, 0x03); 8543e54a169SMatthias Schwarzott if (ret < 0) 8553e54a169SMatthias Schwarzott return ret; 8563e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0150, 0x78); 8573e54a169SMatthias Schwarzott if (ret < 0) 8583e54a169SMatthias Schwarzott return ret; 8593e54a169SMatthias Schwarzott /* agc */ 8603e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x01a0, 0x78); 8613e54a169SMatthias Schwarzott if (ret < 0) 8623e54a169SMatthias Schwarzott return ret; 8633e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x01c8, 0x68); 8643e54a169SMatthias Schwarzott if (ret < 0) 8653e54a169SMatthias Schwarzott return ret; 8663e54a169SMatthias Schwarzott /* freq_sync_range */ 8673e54a169SMatthias Schwarzott ret = si2165_writereg16(state, 0x030c, 0x0064); 8683e54a169SMatthias Schwarzott if (ret < 0) 8693e54a169SMatthias Schwarzott return ret; 8703e54a169SMatthias Schwarzott /* gp_reg0 */ 8713e54a169SMatthias Schwarzott ret = si2165_readreg8(state, 0x0387, val); 8723e54a169SMatthias Schwarzott if (ret < 0) 8733e54a169SMatthias Schwarzott return ret; 8743e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0387, 0x00); 8753e54a169SMatthias Schwarzott if (ret < 0) 8763e54a169SMatthias Schwarzott return ret; 8773e54a169SMatthias Schwarzott /* dsp_addr_jump */ 8783e54a169SMatthias Schwarzott ret = si2165_writereg32(state, 0x0348, 0xf4000000); 8793e54a169SMatthias Schwarzott if (ret < 0) 8803e54a169SMatthias Schwarzott return ret; 8813e54a169SMatthias Schwarzott 8823e54a169SMatthias Schwarzott if (fe->ops.tuner_ops.set_params) 8833e54a169SMatthias Schwarzott fe->ops.tuner_ops.set_params(fe); 8843e54a169SMatthias Schwarzott 8853e54a169SMatthias Schwarzott /* recalc if_freq_shift if IF might has changed */ 8863e54a169SMatthias Schwarzott fe->ops.tuner_ops.get_if_frequency(fe, &IF); 8873e54a169SMatthias Schwarzott ret = si2165_set_if_freq_shift(state, IF); 8883e54a169SMatthias Schwarzott if (ret < 0) 8893e54a169SMatthias Schwarzott return ret; 8903e54a169SMatthias Schwarzott 8913e54a169SMatthias Schwarzott /* boot/wdog status */ 8923e54a169SMatthias Schwarzott ret = si2165_readreg8(state, 0x0341, val); 8933e54a169SMatthias Schwarzott if (ret < 0) 8943e54a169SMatthias Schwarzott return ret; 8953e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x0341, 0x00); 8963e54a169SMatthias Schwarzott if (ret < 0) 8973e54a169SMatthias Schwarzott return ret; 8983e54a169SMatthias Schwarzott /* reset all */ 8993e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x00c0, 0x00); 9003e54a169SMatthias Schwarzott if (ret < 0) 9013e54a169SMatthias Schwarzott return ret; 9023e54a169SMatthias Schwarzott /* gp_reg0 */ 9033e54a169SMatthias Schwarzott ret = si2165_writereg32(state, 0x0384, 0x00000000); 9043e54a169SMatthias Schwarzott if (ret < 0) 9053e54a169SMatthias Schwarzott return ret; 9063e54a169SMatthias Schwarzott /* start_synchro */ 9073e54a169SMatthias Schwarzott ret = si2165_writereg8(state, 0x02e0, 0x01); 9083e54a169SMatthias Schwarzott if (ret < 0) 9093e54a169SMatthias Schwarzott return ret; 9103e54a169SMatthias Schwarzott /* boot/wdog status */ 9113e54a169SMatthias Schwarzott ret = si2165_readreg8(state, 0x0341, val); 9123e54a169SMatthias Schwarzott if (ret < 0) 9133e54a169SMatthias Schwarzott return ret; 9143e54a169SMatthias Schwarzott 9153e54a169SMatthias Schwarzott return 0; 9163e54a169SMatthias Schwarzott } 9173e54a169SMatthias Schwarzott 9183e54a169SMatthias Schwarzott static void si2165_release(struct dvb_frontend *fe) 9193e54a169SMatthias Schwarzott { 9203e54a169SMatthias Schwarzott struct si2165_state *state = fe->demodulator_priv; 9213e54a169SMatthias Schwarzott 9223e54a169SMatthias Schwarzott dprintk("%s: called\n", __func__); 9233e54a169SMatthias Schwarzott kfree(state); 9243e54a169SMatthias Schwarzott } 9253e54a169SMatthias Schwarzott 9263e54a169SMatthias Schwarzott static struct dvb_frontend_ops si2165_ops = { 9273e54a169SMatthias Schwarzott .info = { 928119bd82eSMatthias Schwarzott .name = "Silicon Labs ", 9293e54a169SMatthias Schwarzott .caps = FE_CAN_FEC_1_2 | 9303e54a169SMatthias Schwarzott FE_CAN_FEC_2_3 | 9313e54a169SMatthias Schwarzott FE_CAN_FEC_3_4 | 9323e54a169SMatthias Schwarzott FE_CAN_FEC_5_6 | 9333e54a169SMatthias Schwarzott FE_CAN_FEC_7_8 | 9343e54a169SMatthias Schwarzott FE_CAN_FEC_AUTO | 9353e54a169SMatthias Schwarzott FE_CAN_QPSK | 9363e54a169SMatthias Schwarzott FE_CAN_QAM_16 | 9373e54a169SMatthias Schwarzott FE_CAN_QAM_32 | 9383e54a169SMatthias Schwarzott FE_CAN_QAM_64 | 9393e54a169SMatthias Schwarzott FE_CAN_QAM_128 | 9403e54a169SMatthias Schwarzott FE_CAN_QAM_256 | 9413e54a169SMatthias Schwarzott FE_CAN_QAM_AUTO | 9423e54a169SMatthias Schwarzott FE_CAN_TRANSMISSION_MODE_AUTO | 9433e54a169SMatthias Schwarzott FE_CAN_GUARD_INTERVAL_AUTO | 9443e54a169SMatthias Schwarzott FE_CAN_HIERARCHY_AUTO | 9453e54a169SMatthias Schwarzott FE_CAN_MUTE_TS | 9463e54a169SMatthias Schwarzott FE_CAN_TRANSMISSION_MODE_AUTO | 9473e54a169SMatthias Schwarzott FE_CAN_RECOVER 9483e54a169SMatthias Schwarzott }, 9493e54a169SMatthias Schwarzott 9503e54a169SMatthias Schwarzott .get_tune_settings = si2165_get_tune_settings, 9513e54a169SMatthias Schwarzott 9523e54a169SMatthias Schwarzott .init = si2165_init, 9533e54a169SMatthias Schwarzott .sleep = si2165_sleep, 9543e54a169SMatthias Schwarzott 9553e54a169SMatthias Schwarzott .set_frontend = si2165_set_parameters, 9563e54a169SMatthias Schwarzott .read_status = si2165_read_status, 9573e54a169SMatthias Schwarzott 9583e54a169SMatthias Schwarzott .release = si2165_release, 9593e54a169SMatthias Schwarzott }; 9603e54a169SMatthias Schwarzott 9613e54a169SMatthias Schwarzott struct dvb_frontend *si2165_attach(const struct si2165_config *config, 9623e54a169SMatthias Schwarzott struct i2c_adapter *i2c) 9633e54a169SMatthias Schwarzott { 9643e54a169SMatthias Schwarzott struct si2165_state *state = NULL; 9653e54a169SMatthias Schwarzott int n; 9663e54a169SMatthias Schwarzott int io_ret; 9673e54a169SMatthias Schwarzott u8 val; 968119bd82eSMatthias Schwarzott char rev_char; 969119bd82eSMatthias Schwarzott const char *chip_name; 9703e54a169SMatthias Schwarzott 9713e54a169SMatthias Schwarzott if (config == NULL || i2c == NULL) 9723e54a169SMatthias Schwarzott goto error; 9733e54a169SMatthias Schwarzott 9743e54a169SMatthias Schwarzott /* allocate memory for the internal state */ 9753e54a169SMatthias Schwarzott state = kzalloc(sizeof(struct si2165_state), GFP_KERNEL); 9763e54a169SMatthias Schwarzott if (state == NULL) 9773e54a169SMatthias Schwarzott goto error; 9783e54a169SMatthias Schwarzott 9793e54a169SMatthias Schwarzott /* setup the state */ 9803e54a169SMatthias Schwarzott state->i2c = i2c; 9813e54a169SMatthias Schwarzott state->config = *config; 9823e54a169SMatthias Schwarzott 9833e54a169SMatthias Schwarzott if (state->config.ref_freq_Hz < 4000000 9843e54a169SMatthias Schwarzott || state->config.ref_freq_Hz > 27000000) { 9853e54a169SMatthias Schwarzott dev_err(&state->i2c->dev, "%s: ref_freq of %d Hz not supported by this driver\n", 9863e54a169SMatthias Schwarzott KBUILD_MODNAME, state->config.ref_freq_Hz); 9873e54a169SMatthias Schwarzott goto error; 9883e54a169SMatthias Schwarzott } 9893e54a169SMatthias Schwarzott 9903e54a169SMatthias Schwarzott /* create dvb_frontend */ 9913e54a169SMatthias Schwarzott memcpy(&state->frontend.ops, &si2165_ops, 9923e54a169SMatthias Schwarzott sizeof(struct dvb_frontend_ops)); 9933e54a169SMatthias Schwarzott state->frontend.demodulator_priv = state; 9943e54a169SMatthias Schwarzott 9953e54a169SMatthias Schwarzott /* powerup */ 9963e54a169SMatthias Schwarzott io_ret = si2165_writereg8(state, 0x0000, state->config.chip_mode); 9973e54a169SMatthias Schwarzott if (io_ret < 0) 9983e54a169SMatthias Schwarzott goto error; 9993e54a169SMatthias Schwarzott 10003e54a169SMatthias Schwarzott io_ret = si2165_readreg8(state, 0x0000, &val); 10013e54a169SMatthias Schwarzott if (io_ret < 0) 10023e54a169SMatthias Schwarzott goto error; 10033e54a169SMatthias Schwarzott if (val != state->config.chip_mode) 10043e54a169SMatthias Schwarzott goto error; 10053e54a169SMatthias Schwarzott 100655bea400SMatthias Schwarzott io_ret = si2165_readreg8(state, 0x0023, &state->chip_revcode); 10073e54a169SMatthias Schwarzott if (io_ret < 0) 10083e54a169SMatthias Schwarzott goto error; 10093e54a169SMatthias Schwarzott 10103e54a169SMatthias Schwarzott io_ret = si2165_readreg8(state, 0x0118, &state->chip_type); 10113e54a169SMatthias Schwarzott if (io_ret < 0) 10123e54a169SMatthias Schwarzott goto error; 10133e54a169SMatthias Schwarzott 10143e54a169SMatthias Schwarzott /* powerdown */ 10153e54a169SMatthias Schwarzott io_ret = si2165_writereg8(state, 0x0000, SI2165_MODE_OFF); 10163e54a169SMatthias Schwarzott if (io_ret < 0) 10173e54a169SMatthias Schwarzott goto error; 10183e54a169SMatthias Schwarzott 1019119bd82eSMatthias Schwarzott if (state->chip_revcode < 26) 1020119bd82eSMatthias Schwarzott rev_char = 'A' + state->chip_revcode; 1021119bd82eSMatthias Schwarzott else 1022119bd82eSMatthias Schwarzott rev_char = '?'; 10233e54a169SMatthias Schwarzott 1024119bd82eSMatthias Schwarzott switch (state->chip_type) { 1025119bd82eSMatthias Schwarzott case 0x06: 1026119bd82eSMatthias Schwarzott chip_name = "Si2161"; 1027119bd82eSMatthias Schwarzott state->has_dvbt = true; 1028119bd82eSMatthias Schwarzott break; 1029119bd82eSMatthias Schwarzott case 0x07: 1030119bd82eSMatthias Schwarzott chip_name = "Si2165"; 10313e54a169SMatthias Schwarzott state->has_dvbt = true; 10323e54a169SMatthias Schwarzott state->has_dvbc = true; 1033119bd82eSMatthias Schwarzott break; 1034119bd82eSMatthias Schwarzott default: 1035119bd82eSMatthias Schwarzott dev_err(&state->i2c->dev, "%s: Unsupported Silicon Labs chip (type %d, rev %d)\n", 1036119bd82eSMatthias Schwarzott KBUILD_MODNAME, state->chip_type, state->chip_revcode); 10373e54a169SMatthias Schwarzott goto error; 10383e54a169SMatthias Schwarzott } 10393e54a169SMatthias Schwarzott 1040119bd82eSMatthias Schwarzott dev_info(&state->i2c->dev, 1041119bd82eSMatthias Schwarzott "%s: Detected Silicon Labs %s-%c (type %d, rev %d)\n", 1042119bd82eSMatthias Schwarzott KBUILD_MODNAME, chip_name, rev_char, state->chip_type, 1043119bd82eSMatthias Schwarzott state->chip_revcode); 1044119bd82eSMatthias Schwarzott 1045119bd82eSMatthias Schwarzott strlcat(state->frontend.ops.info.name, chip_name, 1046119bd82eSMatthias Schwarzott sizeof(state->frontend.ops.info.name)); 1047119bd82eSMatthias Schwarzott 10483e54a169SMatthias Schwarzott n = 0; 10493e54a169SMatthias Schwarzott if (state->has_dvbt) { 10503e54a169SMatthias Schwarzott state->frontend.ops.delsys[n++] = SYS_DVBT; 10513e54a169SMatthias Schwarzott strlcat(state->frontend.ops.info.name, " DVB-T", 10523e54a169SMatthias Schwarzott sizeof(state->frontend.ops.info.name)); 10533e54a169SMatthias Schwarzott } 10543e54a169SMatthias Schwarzott if (state->has_dvbc) 10553e54a169SMatthias Schwarzott dev_warn(&state->i2c->dev, "%s: DVB-C is not yet supported.\n", 10563e54a169SMatthias Schwarzott KBUILD_MODNAME); 10573e54a169SMatthias Schwarzott 10583e54a169SMatthias Schwarzott return &state->frontend; 10593e54a169SMatthias Schwarzott 10603e54a169SMatthias Schwarzott error: 10613e54a169SMatthias Schwarzott kfree(state); 10623e54a169SMatthias Schwarzott return NULL; 10633e54a169SMatthias Schwarzott } 10643e54a169SMatthias Schwarzott EXPORT_SYMBOL(si2165_attach); 10653e54a169SMatthias Schwarzott 10663e54a169SMatthias Schwarzott module_param(debug, int, 0644); 10673e54a169SMatthias Schwarzott MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); 10683e54a169SMatthias Schwarzott 10693e54a169SMatthias Schwarzott MODULE_DESCRIPTION("Silicon Labs Si2165 DVB-C/-T Demodulator driver"); 10703e54a169SMatthias Schwarzott MODULE_AUTHOR("Matthias Schwarzott <zzam@gentoo.org>"); 10713e54a169SMatthias Schwarzott MODULE_LICENSE("GPL"); 107255bea400SMatthias Schwarzott MODULE_FIRMWARE(SI2165_FIRMWARE_REV_D); 1073