diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-13 23:13:41 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-13 23:13:41 -0300 |
commit | 9a0bf528b4d66b605f02634236da085595c22101 (patch) | |
tree | e9ff008ff15c3ee5add6d41173ee5e61939480dd /drivers/media/dvb/frontends/stv0288.c | |
parent | 3d6c2bc08ac4f75bf3597740357c98f2207ca412 (diff) |
[media] move the dvb/frontends to drivers/media/dvb-frontends
Raise the DVB frontends one level up, as the intention is to remove
the drivers/media/dvb directory.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/stv0288.c')
-rw-r--r-- | drivers/media/dvb/frontends/stv0288.c | 626 |
1 files changed, 0 insertions, 626 deletions
diff --git a/drivers/media/dvb/frontends/stv0288.c b/drivers/media/dvb/frontends/stv0288.c deleted file mode 100644 index 632b25156e4c..000000000000 --- a/drivers/media/dvb/frontends/stv0288.c +++ /dev/null @@ -1,626 +0,0 @@ -/* - Driver for ST STV0288 demodulator - Copyright (C) 2006 Georg Acher, BayCom GmbH, acher (at) baycom (dot) de - for Reel Multimedia - Copyright (C) 2008 TurboSight.com, Bob Liu <bob@turbosight.com> - Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by> - Removed stb6000 specific tuner code and revised some - procedures. - 2010-09-01 Josef Pavlik <josef@pavlik.it> - Fixed diseqc_msg, diseqc_burst and set_tone problems - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -*/ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/slab.h> -#include <linux/jiffies.h> -#include <asm/div64.h> - -#include "dvb_frontend.h" -#include "stv0288.h" - -struct stv0288_state { - struct i2c_adapter *i2c; - const struct stv0288_config *config; - struct dvb_frontend frontend; - - u8 initialised:1; - u32 tuner_frequency; - u32 symbol_rate; - fe_code_rate_t fec_inner; - int errmode; -}; - -#define STATUS_BER 0 -#define STATUS_UCBLOCKS 1 - -static int debug; -static int debug_legacy_dish_switch; -#define dprintk(args...) \ - do { \ - if (debug) \ - printk(KERN_DEBUG "stv0288: " args); \ - } while (0) - - -static int stv0288_writeregI(struct stv0288_state *state, u8 reg, u8 data) -{ - int ret; - u8 buf[] = { reg, data }; - struct i2c_msg msg = { - .addr = state->config->demod_address, - .flags = 0, - .buf = buf, - .len = 2 - }; - - ret = i2c_transfer(state->i2c, &msg, 1); - - if (ret != 1) - dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, " - "ret == %i)\n", __func__, reg, data, ret); - - return (ret != 1) ? -EREMOTEIO : 0; -} - -static int stv0288_write(struct dvb_frontend *fe, const u8 buf[], int len) -{ - struct stv0288_state *state = fe->demodulator_priv; - - if (len != 2) - return -EINVAL; - - return stv0288_writeregI(state, buf[0], buf[1]); -} - -static u8 stv0288_readreg(struct stv0288_state *state, u8 reg) -{ - int ret; - u8 b0[] = { reg }; - u8 b1[] = { 0 }; - struct i2c_msg msg[] = { - { - .addr = state->config->demod_address, - .flags = 0, - .buf = b0, - .len = 1 - }, { - .addr = state->config->demod_address, - .flags = I2C_M_RD, - .buf = b1, - .len = 1 - } - }; - - ret = i2c_transfer(state->i2c, msg, 2); - - if (ret != 2) - dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n", - __func__, reg, ret); - - return b1[0]; -} - -static int stv0288_set_symbolrate(struct dvb_frontend *fe, u32 srate) -{ - struct stv0288_state *state = fe->demodulator_priv; - unsigned int temp; - unsigned char b[3]; - - if ((srate < 1000000) || (srate > 45000000)) - return -EINVAL; - - stv0288_writeregI(state, 0x22, 0); - stv0288_writeregI(state, 0x23, 0); - stv0288_writeregI(state, 0x2b, 0xff); - stv0288_writeregI(state, 0x2c, 0xf7); - - temp = (unsigned int)srate / 1000; - - temp = temp * 32768; - temp = temp / 25; - temp = temp / 125; - b[0] = (unsigned char)((temp >> 12) & 0xff); - b[1] = (unsigned char)((temp >> 4) & 0xff); - b[2] = (unsigned char)((temp << 4) & 0xf0); - stv0288_writeregI(state, 0x28, 0x80); /* SFRH */ - stv0288_writeregI(state, 0x29, 0); /* SFRM */ - stv0288_writeregI(state, 0x2a, 0); /* SFRL */ - - stv0288_writeregI(state, 0x28, b[0]); - stv0288_writeregI(state, 0x29, b[1]); - stv0288_writeregI(state, 0x2a, b[2]); - dprintk("stv0288: stv0288_set_symbolrate\n"); - - return 0; -} - -static int stv0288_send_diseqc_msg(struct dvb_frontend *fe, - struct dvb_diseqc_master_cmd *m) -{ - struct stv0288_state *state = fe->demodulator_priv; - - int i; - - dprintk("%s\n", __func__); - - stv0288_writeregI(state, 0x09, 0); - msleep(30); - stv0288_writeregI(state, 0x05, 0x12);/* modulated mode, single shot */ - - for (i = 0; i < m->msg_len; i++) { - if (stv0288_writeregI(state, 0x06, m->msg[i])) - return -EREMOTEIO; - } - msleep(m->msg_len*12); - return 0; -} - -static int stv0288_send_diseqc_burst(struct dvb_frontend *fe, - fe_sec_mini_cmd_t burst) -{ - struct stv0288_state *state = fe->demodulator_priv; - - dprintk("%s\n", __func__); - - if (stv0288_writeregI(state, 0x05, 0x03))/* burst mode, single shot */ - return -EREMOTEIO; - - if (stv0288_writeregI(state, 0x06, burst == SEC_MINI_A ? 0x00 : 0xff)) - return -EREMOTEIO; - - msleep(15); - if (stv0288_writeregI(state, 0x05, 0x12)) - return -EREMOTEIO; - - return 0; -} - -static int stv0288_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone) -{ - struct stv0288_state *state = fe->demodulator_priv; - - switch (tone) { - case SEC_TONE_ON: - if (stv0288_writeregI(state, 0x05, 0x10))/* cont carrier */ - return -EREMOTEIO; - break; - - case SEC_TONE_OFF: - if (stv0288_writeregI(state, 0x05, 0x12))/* burst mode off*/ - return -EREMOTEIO; - break; - - default: - return -EINVAL; - } - return 0; -} - -static u8 stv0288_inittab[] = { - 0x01, 0x15, - 0x02, 0x20, - 0x09, 0x0, - 0x0a, 0x4, - 0x0b, 0x0, - 0x0c, 0x0, - 0x0d, 0x0, - 0x0e, 0xd4, - 0x0f, 0x30, - 0x11, 0x80, - 0x12, 0x03, - 0x13, 0x48, - 0x14, 0x84, - 0x15, 0x45, - 0x16, 0xb7, - 0x17, 0x9c, - 0x18, 0x0, - 0x19, 0xa6, - 0x1a, 0x88, - 0x1b, 0x8f, - 0x1c, 0xf0, - 0x20, 0x0b, - 0x21, 0x54, - 0x22, 0x0, - 0x23, 0x0, - 0x2b, 0xff, - 0x2c, 0xf7, - 0x30, 0x0, - 0x31, 0x1e, - 0x32, 0x14, - 0x33, 0x0f, - 0x34, 0x09, - 0x35, 0x0c, - 0x36, 0x05, - 0x37, 0x2f, - 0x38, 0x16, - 0x39, 0xbe, - 0x3a, 0x0, - 0x3b, 0x13, - 0x3c, 0x11, - 0x3d, 0x30, - 0x40, 0x63, - 0x41, 0x04, - 0x42, 0x20, - 0x43, 0x00, - 0x44, 0x00, - 0x45, 0x00, - 0x46, 0x00, - 0x47, 0x00, - 0x4a, 0x00, - 0x50, 0x10, - 0x51, 0x38, - 0x52, 0x21, - 0x58, 0x54, - 0x59, 0x86, - 0x5a, 0x0, - 0x5b, 0x9b, - 0x5c, 0x08, - 0x5d, 0x7f, - 0x5e, 0x0, - 0x5f, 0xff, - 0x70, 0x0, - 0x71, 0x0, - 0x72, 0x0, - 0x74, 0x0, - 0x75, 0x0, - 0x76, 0x0, - 0x81, 0x0, - 0x82, 0x3f, - 0x83, 0x3f, - 0x84, 0x0, - 0x85, 0x0, - 0x88, 0x0, - 0x89, 0x0, - 0x8a, 0x0, - 0x8b, 0x0, - 0x8c, 0x0, - 0x90, 0x0, - 0x91, 0x0, - 0x92, 0x0, - 0x93, 0x0, - 0x94, 0x1c, - 0x97, 0x0, - 0xa0, 0x48, - 0xa1, 0x0, - 0xb0, 0xb8, - 0xb1, 0x3a, - 0xb2, 0x10, - 0xb3, 0x82, - 0xb4, 0x80, - 0xb5, 0x82, - 0xb6, 0x82, - 0xb7, 0x82, - 0xb8, 0x20, - 0xb9, 0x0, - 0xf0, 0x0, - 0xf1, 0x0, - 0xf2, 0xc0, - 0x51, 0x36, - 0x52, 0x09, - 0x53, 0x94, - 0x54, 0x62, - 0x55, 0x29, - 0x56, 0x64, - 0x57, 0x2b, - 0xff, 0xff, -}; - -static int stv0288_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t volt) -{ - dprintk("%s: %s\n", __func__, - volt == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" : - volt == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??"); - - return 0; -} - -static int stv0288_init(struct dvb_frontend *fe) -{ - struct stv0288_state *state = fe->demodulator_priv; - int i; - u8 reg; - u8 val; - - dprintk("stv0288: init chip\n"); - stv0288_writeregI(state, 0x41, 0x04); - msleep(50); - - /* we have default inittab */ - if (state->config->inittab == NULL) { - for (i = 0; !(stv0288_inittab[i] == 0xff && - stv0288_inittab[i + 1] == 0xff); i += 2) - stv0288_writeregI(state, stv0288_inittab[i], - stv0288_inittab[i + 1]); - } else { - for (i = 0; ; i += 2) { - reg = state->config->inittab[i]; - val = state->config->inittab[i+1]; - if (reg == 0xff && val == 0xff) - break; - stv0288_writeregI(state, reg, val); - } - } - return 0; -} - -static int stv0288_read_status(struct dvb_frontend *fe, fe_status_t *status) -{ - struct stv0288_state *state = fe->demodulator_priv; - - u8 sync = stv0288_readreg(state, 0x24); - if (sync == 255) - sync = 0; - - dprintk("%s : FE_READ_STATUS : VSTATUS: 0x%02x\n", __func__, sync); - - *status = 0; - if (sync & 0x80) - *status |= FE_HAS_CARRIER | FE_HAS_SIGNAL; - if (sync & 0x10) - *status |= FE_HAS_VITERBI; - if (sync & 0x08) { - *status |= FE_HAS_LOCK; - dprintk("stv0288 has locked\n"); - } - - return 0; -} - -static int stv0288_read_ber(struct dvb_frontend *fe, u32 *ber) -{ - struct stv0288_state *state = fe->demodulator_priv; - - if (state->errmode != STATUS_BER) - return 0; - *ber = (stv0288_readreg(state, 0x26) << 8) | - stv0288_readreg(state, 0x27); - dprintk("stv0288_read_ber %d\n", *ber); - - return 0; -} - - -static int stv0288_read_signal_strength(struct dvb_frontend *fe, u16 *strength) -{ - struct stv0288_state *state = fe->demodulator_priv; - - s32 signal = 0xffff - ((stv0288_readreg(state, 0x10) << 8)); - - - signal = signal * 5 / 4; - *strength = (signal > 0xffff) ? 0xffff : (signal < 0) ? 0 : signal; - dprintk("stv0288_read_signal_strength %d\n", *strength); - - return 0; -} -static int stv0288_sleep(struct dvb_frontend *fe) -{ - struct stv0288_state *state = fe->demodulator_priv; - - stv0288_writeregI(state, 0x41, 0x84); - state->initialised = 0; - - return 0; -} -static int stv0288_read_snr(struct dvb_frontend *fe, u16 *snr) -{ - struct stv0288_state *state = fe->demodulator_priv; - - s32 xsnr = 0xffff - ((stv0288_readreg(state, 0x2d) << 8) - | stv0288_readreg(state, 0x2e)); - xsnr = 3 * (xsnr - 0xa100); - *snr = (xsnr > 0xffff) ? 0xffff : (xsnr < 0) ? 0 : xsnr; - dprintk("stv0288_read_snr %d\n", *snr); - - return 0; -} - -static int stv0288_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) -{ - struct stv0288_state *state = fe->demodulator_priv; - - if (state->errmode != STATUS_BER) - return 0; - *ucblocks = (stv0288_readreg(state, 0x26) << 8) | - stv0288_readreg(state, 0x27); - dprintk("stv0288_read_ber %d\n", *ucblocks); - - return 0; -} - -static int stv0288_set_property(struct dvb_frontend *fe, struct dtv_property *p) -{ - dprintk("%s(..)\n", __func__); - return 0; -} - -static int stv0288_set_frontend(struct dvb_frontend *fe) -{ - struct stv0288_state *state = fe->demodulator_priv; - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - - char tm; - unsigned char tda[3]; - u8 reg, time_out = 0; - - dprintk("%s : FE_SET_FRONTEND\n", __func__); - - if (c->delivery_system != SYS_DVBS) { - dprintk("%s: unsupported delivery " - "system selected (%d)\n", - __func__, c->delivery_system); - return -EOPNOTSUPP; - } - - if (state->config->set_ts_params) - state->config->set_ts_params(fe, 0); - - /* only frequency & symbol_rate are used for tuner*/ - if (fe->ops.tuner_ops.set_params) { - fe->ops.tuner_ops.set_params(fe); - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 0); - } - - udelay(10); - stv0288_set_symbolrate(fe, c->symbol_rate); - /* Carrier lock control register */ - stv0288_writeregI(state, 0x15, 0xc5); - - tda[2] = 0x0; /* CFRL */ - for (tm = -9; tm < 7;) { - /* Viterbi status */ - reg = stv0288_readreg(state, 0x24); - if (reg & 0x8) - break; - if (reg & 0x80) { - time_out++; - if (time_out > 10) - break; - tda[2] += 40; - if (tda[2] < 40) - tm++; - } else { - tm++; - tda[2] = 0; - time_out = 0; - } - tda[1] = (unsigned char)tm; - stv0288_writeregI(state, 0x2b, tda[1]); - stv0288_writeregI(state, 0x2c, tda[2]); - msleep(30); - } - state->tuner_frequency = c->frequency; - state->fec_inner = FEC_AUTO; - state->symbol_rate = c->symbol_rate; - - return 0; -} - -static int stv0288_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) -{ - struct stv0288_state *state = fe->demodulator_priv; - - if (enable) - stv0288_writeregI(state, 0x01, 0xb5); - else - stv0288_writeregI(state, 0x01, 0x35); - - udelay(1); - - return 0; -} - -static void stv0288_release(struct dvb_frontend *fe) -{ - struct stv0288_state *state = fe->demodulator_priv; - kfree(state); -} - -static struct dvb_frontend_ops stv0288_ops = { - .delsys = { SYS_DVBS }, - .info = { - .name = "ST STV0288 DVB-S", - .frequency_min = 950000, - .frequency_max = 2150000, - .frequency_stepsize = 1000, /* kHz for QPSK frontends */ - .frequency_tolerance = 0, - .symbol_rate_min = 1000000, - .symbol_rate_max = 45000000, - .symbol_rate_tolerance = 500, /* ppm */ - .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | - FE_CAN_QPSK | - FE_CAN_FEC_AUTO - }, - - .release = stv0288_release, - .init = stv0288_init, - .sleep = stv0288_sleep, - .write = stv0288_write, - .i2c_gate_ctrl = stv0288_i2c_gate_ctrl, - .read_status = stv0288_read_status, - .read_ber = stv0288_read_ber, - .read_signal_strength = stv0288_read_signal_strength, - .read_snr = stv0288_read_snr, - .read_ucblocks = stv0288_read_ucblocks, - .diseqc_send_master_cmd = stv0288_send_diseqc_msg, - .diseqc_send_burst = stv0288_send_diseqc_burst, - .set_tone = stv0288_set_tone, - .set_voltage = stv0288_set_voltage, - - .set_property = stv0288_set_property, - .set_frontend = stv0288_set_frontend, -}; - -struct dvb_frontend *stv0288_attach(const struct stv0288_config *config, - struct i2c_adapter *i2c) -{ - struct stv0288_state *state = NULL; - int id; - - /* allocate memory for the internal state */ - state = kzalloc(sizeof(struct stv0288_state), GFP_KERNEL); - if (state == NULL) - goto error; - - /* setup the state */ - state->config = config; - state->i2c = i2c; - state->initialised = 0; - state->tuner_frequency = 0; - state->symbol_rate = 0; - state->fec_inner = 0; - state->errmode = STATUS_BER; - - stv0288_writeregI(state, 0x41, 0x04); - msleep(200); - id = stv0288_readreg(state, 0x00); - dprintk("stv0288 id %x\n", id); - - /* register 0x00 contains 0x11 for STV0288 */ - if (id != 0x11) - goto error; - - /* create dvb_frontend */ - memcpy(&state->frontend.ops, &stv0288_ops, - sizeof(struct dvb_frontend_ops)); - state->frontend.demodulator_priv = state; - return &state->frontend; - -error: - kfree(state); - - return NULL; -} -EXPORT_SYMBOL(stv0288_attach); - -module_param(debug_legacy_dish_switch, int, 0444); -MODULE_PARM_DESC(debug_legacy_dish_switch, - "Enable timing analysis for Dish Network legacy switches"); - -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); - -MODULE_DESCRIPTION("ST STV0288 DVB Demodulator driver"); -MODULE_AUTHOR("Georg Acher, Bob Liu, Igor liplianin"); -MODULE_LICENSE("GPL"); - |