^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) STV6110(A) Silicon tuner driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) Copyright (C) Manu Abraham <abraham.manu@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) Copyright (C) ST Microelectronics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <media/dvb_frontend.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "stv6110x_reg.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "stv6110x.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "stv6110x_priv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /* Max transfer size done by I2C transfer functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define MAX_XFER_SIZE 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static unsigned int verbose;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) module_param(verbose, int, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) MODULE_PARM_DESC(verbose, "Set Verbosity level");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static int stv6110x_read_reg(struct stv6110x_state *stv6110x, u8 reg, u8 *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) const struct stv6110x_config *config = stv6110x->config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) u8 b0[] = { reg };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) u8 b1[] = { 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct i2c_msg msg[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) { .addr = config->addr, .flags = 0, .buf = b0, .len = 1 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) { .addr = config->addr, .flags = I2C_M_RD, .buf = b1, .len = 1 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) ret = i2c_transfer(stv6110x->i2c, msg, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (ret != 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) dprintk(FE_ERROR, 1, "I/O Error");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) return -EREMOTEIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) *data = b1[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static int stv6110x_write_regs(struct stv6110x_state *stv6110x, int start, u8 data[], int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) const struct stv6110x_config *config = stv6110x->config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) u8 buf[MAX_XFER_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct i2c_msg msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .addr = config->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .buf = buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .len = len + 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) if (1 + len > sizeof(buf)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) printk(KERN_WARNING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) "%s: i2c wr: len=%d is too big!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) KBUILD_MODNAME, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (start + len > 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) buf[0] = start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) memcpy(&buf[1], data, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) ret = i2c_transfer(stv6110x->i2c, &msg, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if (ret != 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) dprintk(FE_ERROR, 1, "I/O Error");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return -EREMOTEIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static int stv6110x_write_reg(struct stv6110x_state *stv6110x, u8 reg, u8 data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) u8 tmp = data; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return stv6110x_write_regs(stv6110x, reg, &tmp, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static int stv6110x_init(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) struct stv6110x_state *stv6110x = fe->tuner_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) ret = stv6110x_write_regs(stv6110x, 0, stv6110x->regs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) ARRAY_SIZE(stv6110x->regs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) dprintk(FE_ERROR, 1, "Initialization failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static int stv6110x_set_frequency(struct dvb_frontend *fe, u32 frequency)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct stv6110x_state *stv6110x = fe->tuner_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) u32 rDiv, divider;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) s32 pVal, pCalc, rDivOpt = 0, pCalcOpt = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) u8 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL1], CTRL1_K, (REFCLOCK_MHz - 16));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) if (frequency <= 1023000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) STV6110x_SETFIELD(stv6110x->regs[STV6110x_TNG1], TNG1_DIV4SEL, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) STV6110x_SETFIELD(stv6110x->regs[STV6110x_TNG1], TNG1_PRESC32_ON, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) pVal = 40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) } else if (frequency <= 1300000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) STV6110x_SETFIELD(stv6110x->regs[STV6110x_TNG1], TNG1_DIV4SEL, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) STV6110x_SETFIELD(stv6110x->regs[STV6110x_TNG1], TNG1_PRESC32_ON, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) pVal = 40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) } else if (frequency <= 2046000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) STV6110x_SETFIELD(stv6110x->regs[STV6110x_TNG1], TNG1_DIV4SEL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) STV6110x_SETFIELD(stv6110x->regs[STV6110x_TNG1], TNG1_PRESC32_ON, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) pVal = 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) STV6110x_SETFIELD(stv6110x->regs[STV6110x_TNG1], TNG1_DIV4SEL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) STV6110x_SETFIELD(stv6110x->regs[STV6110x_TNG1], TNG1_PRESC32_ON, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) pVal = 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) for (rDiv = 0; rDiv <= 3; rDiv++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) pCalc = (REFCLOCK_kHz / 100) / R_DIV(rDiv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) if ((abs((s32)(pCalc - pVal))) < (abs((s32)(pCalcOpt - pVal))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) rDivOpt = rDiv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) pCalcOpt = (REFCLOCK_kHz / 100) / R_DIV(rDivOpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) divider = (frequency * R_DIV(rDivOpt) * pVal) / REFCLOCK_kHz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) divider = (divider + 5) / 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) STV6110x_SETFIELD(stv6110x->regs[STV6110x_TNG1], TNG1_R_DIV, rDivOpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) STV6110x_SETFIELD(stv6110x->regs[STV6110x_TNG1], TNG1_N_DIV_11_8, MSB(divider));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) STV6110x_SETFIELD(stv6110x->regs[STV6110x_TNG0], TNG0_N_DIV_7_0, LSB(divider));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) /* VCO Auto calibration */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) STV6110x_SETFIELD(stv6110x->regs[STV6110x_STAT1], STAT1_CALVCO_STRT, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) stv6110x_write_reg(stv6110x, STV6110x_CTRL1, stv6110x->regs[STV6110x_CTRL1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) stv6110x_write_reg(stv6110x, STV6110x_TNG1, stv6110x->regs[STV6110x_TNG1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) stv6110x_write_reg(stv6110x, STV6110x_TNG0, stv6110x->regs[STV6110x_TNG0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) stv6110x_write_reg(stv6110x, STV6110x_STAT1, stv6110x->regs[STV6110x_STAT1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) for (i = 0; i < TRIALS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) stv6110x_read_reg(stv6110x, STV6110x_STAT1, &stv6110x->regs[STV6110x_STAT1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) if (!STV6110x_GETFIELD(STAT1_CALVCO_STRT, stv6110x->regs[STV6110x_STAT1]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) msleep(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static int stv6110x_get_frequency(struct dvb_frontend *fe, u32 *frequency)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) struct stv6110x_state *stv6110x = fe->tuner_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) stv6110x_read_reg(stv6110x, STV6110x_TNG1, &stv6110x->regs[STV6110x_TNG1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) stv6110x_read_reg(stv6110x, STV6110x_TNG0, &stv6110x->regs[STV6110x_TNG0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) *frequency = (MAKEWORD16(STV6110x_GETFIELD(TNG1_N_DIV_11_8, stv6110x->regs[STV6110x_TNG1]),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) STV6110x_GETFIELD(TNG0_N_DIV_7_0, stv6110x->regs[STV6110x_TNG0]))) * REFCLOCK_kHz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) *frequency /= (1 << (STV6110x_GETFIELD(TNG1_R_DIV, stv6110x->regs[STV6110x_TNG1]) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) STV6110x_GETFIELD(TNG1_DIV4SEL, stv6110x->regs[STV6110x_TNG1])));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) *frequency >>= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) static int stv6110x_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) struct stv6110x_state *stv6110x = fe->tuner_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) u32 halfbw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) u8 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) halfbw = bandwidth >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (halfbw > 36000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL3], CTRL3_CF, 31); /* LPF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) else if (halfbw < 5000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL3], CTRL3_CF, 0); /* LPF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL3], CTRL3_CF, ((halfbw / 1000000) - 5)); /* LPF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL3], CTRL3_RCCLK_OFF, 0x0); /* cal. clk activated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) STV6110x_SETFIELD(stv6110x->regs[STV6110x_STAT1], STAT1_CALRC_STRT, 0x1); /* LPF auto cal */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) stv6110x_write_reg(stv6110x, STV6110x_CTRL3, stv6110x->regs[STV6110x_CTRL3]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) stv6110x_write_reg(stv6110x, STV6110x_STAT1, stv6110x->regs[STV6110x_STAT1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) for (i = 0; i < TRIALS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) stv6110x_read_reg(stv6110x, STV6110x_STAT1, &stv6110x->regs[STV6110x_STAT1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) if (!STV6110x_GETFIELD(STAT1_CALRC_STRT, stv6110x->regs[STV6110x_STAT1]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) msleep(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL3], CTRL3_RCCLK_OFF, 0x1); /* cal. done */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) stv6110x_write_reg(stv6110x, STV6110x_CTRL3, stv6110x->regs[STV6110x_CTRL3]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) static int stv6110x_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) struct stv6110x_state *stv6110x = fe->tuner_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) stv6110x_read_reg(stv6110x, STV6110x_CTRL3, &stv6110x->regs[STV6110x_CTRL3]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) *bandwidth = (STV6110x_GETFIELD(CTRL3_CF, stv6110x->regs[STV6110x_CTRL3]) + 5) * 2000000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) static int stv6110x_set_refclock(struct dvb_frontend *fe, u32 refclock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) struct stv6110x_state *stv6110x = fe->tuner_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) /* setup divider */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) switch (refclock) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2], CTRL2_CO_DIV, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2], CTRL2_CO_DIV, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2], CTRL2_CO_DIV, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) case 8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2], CTRL2_CO_DIV, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) stv6110x_write_reg(stv6110x, STV6110x_CTRL2, stv6110x->regs[STV6110x_CTRL2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) static int stv6110x_get_bbgain(struct dvb_frontend *fe, u32 *gain)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) struct stv6110x_state *stv6110x = fe->tuner_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) stv6110x_read_reg(stv6110x, STV6110x_CTRL2, &stv6110x->regs[STV6110x_CTRL2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) *gain = 2 * STV6110x_GETFIELD(CTRL2_BBGAIN, stv6110x->regs[STV6110x_CTRL2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) static int stv6110x_set_bbgain(struct dvb_frontend *fe, u32 gain)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) struct stv6110x_state *stv6110x = fe->tuner_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2], CTRL2_BBGAIN, gain / 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) stv6110x_write_reg(stv6110x, STV6110x_CTRL2, stv6110x->regs[STV6110x_CTRL2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) static int stv6110x_set_mode(struct dvb_frontend *fe, enum tuner_mode mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) struct stv6110x_state *stv6110x = fe->tuner_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) switch (mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) case TUNER_SLEEP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL1], CTRL1_SYN, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL1], CTRL1_RX, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL1], CTRL1_LPT, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) case TUNER_WAKE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL1], CTRL1_SYN, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL1], CTRL1_RX, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL1], CTRL1_LPT, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) ret = stv6110x_write_reg(stv6110x, STV6110x_CTRL1, stv6110x->regs[STV6110x_CTRL1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) dprintk(FE_ERROR, 1, "I/O Error");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) static int stv6110x_sleep(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) if (fe->tuner_priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) return stv6110x_set_mode(fe, TUNER_SLEEP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) static int stv6110x_get_status(struct dvb_frontend *fe, u32 *status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) struct stv6110x_state *stv6110x = fe->tuner_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) stv6110x_read_reg(stv6110x, STV6110x_STAT1, &stv6110x->regs[STV6110x_STAT1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) if (STV6110x_GETFIELD(STAT1_LOCK, stv6110x->regs[STV6110x_STAT1]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) *status = TUNER_PHASELOCKED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) *status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) static void stv6110x_release(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) struct stv6110x_state *stv6110x = fe->tuner_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) fe->tuner_priv = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) kfree(stv6110x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) static void st6110x_init_regs(struct stv6110x_state *stv6110x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) u8 default_regs[] = {0x07, 0x11, 0xdc, 0x85, 0x17, 0x01, 0xe6, 0x1e};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) memcpy(stv6110x->regs, default_regs, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) static void stv6110x_setup_divider(struct stv6110x_state *stv6110x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) switch (stv6110x->config->clk_div) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) CTRL2_CO_DIV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) CTRL2_CO_DIV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) CTRL2_CO_DIV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) case 8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) CTRL2_CO_DIV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) static const struct dvb_tuner_ops stv6110x_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) .info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) .name = "STV6110(A) Silicon Tuner",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) .frequency_min_hz = 950 * MHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) .frequency_max_hz = 2150 * MHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) .release = stv6110x_release
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) static struct stv6110x_devctl stv6110x_ctl = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) .tuner_init = stv6110x_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) .tuner_sleep = stv6110x_sleep,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) .tuner_set_mode = stv6110x_set_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) .tuner_set_frequency = stv6110x_set_frequency,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) .tuner_get_frequency = stv6110x_get_frequency,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) .tuner_set_bandwidth = stv6110x_set_bandwidth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) .tuner_get_bandwidth = stv6110x_get_bandwidth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) .tuner_set_bbgain = stv6110x_set_bbgain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) .tuner_get_bbgain = stv6110x_get_bbgain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) .tuner_set_refclk = stv6110x_set_refclock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) .tuner_get_status = stv6110x_get_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) static void stv6110x_set_frontend_opts(struct stv6110x_state *stv6110x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) stv6110x->frontend->tuner_priv = stv6110x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) stv6110x->frontend->ops.tuner_ops = stv6110x_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) static struct stv6110x_devctl *stv6110x_get_devctl(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) struct stv6110x_state *stv6110x = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) dev_dbg(&client->dev, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) return stv6110x->devctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) static int stv6110x_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) struct stv6110x_config *config = client->dev.platform_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) struct stv6110x_state *stv6110x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) stv6110x = kzalloc(sizeof(*stv6110x), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) if (!stv6110x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) stv6110x->frontend = config->frontend;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) stv6110x->i2c = client->adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) stv6110x->config = config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) stv6110x->devctl = &stv6110x_ctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) st6110x_init_regs(stv6110x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) stv6110x_setup_divider(stv6110x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) stv6110x_set_frontend_opts(stv6110x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) dev_info(&stv6110x->i2c->dev, "Probed STV6110x\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) i2c_set_clientdata(client, stv6110x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) /* setup callbacks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) config->get_devctl = stv6110x_get_devctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) static int stv6110x_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) struct stv6110x_state *stv6110x = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) stv6110x_release(stv6110x->frontend);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) const struct stv6110x_config *config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) struct i2c_adapter *i2c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) struct stv6110x_state *stv6110x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) stv6110x = kzalloc(sizeof(*stv6110x), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) if (!stv6110x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) stv6110x->frontend = fe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) stv6110x->i2c = i2c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) stv6110x->config = config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) stv6110x->devctl = &stv6110x_ctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) st6110x_init_regs(stv6110x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) stv6110x_setup_divider(stv6110x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) stv6110x_set_frontend_opts(stv6110x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) fe->tuner_priv = stv6110x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) fe->ops.tuner_ops = stv6110x_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) dev_info(&stv6110x->i2c->dev, "Attaching STV6110x\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) return stv6110x->devctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) EXPORT_SYMBOL(stv6110x_attach);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) static const struct i2c_device_id stv6110x_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) {"stv6110x", 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) MODULE_DEVICE_TABLE(i2c, stv6110x_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) static struct i2c_driver stv6110x_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) .name = "stv6110x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) .suppress_bind_attrs = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) .probe = stv6110x_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) .remove = stv6110x_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) .id_table = stv6110x_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) module_i2c_driver(stv6110x_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) MODULE_AUTHOR("Manu Abraham");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) MODULE_DESCRIPTION("STV6110x Silicon tuner");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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