diff options
Diffstat (limited to 'drivers/media/dvb/dibusb/dvb-fe-dtt200u.c')
| -rw-r--r-- | drivers/media/dvb/dibusb/dvb-fe-dtt200u.c | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/drivers/media/dvb/dibusb/dvb-fe-dtt200u.c b/drivers/media/dvb/dibusb/dvb-fe-dtt200u.c deleted file mode 100644 index 1872aa6..0000000 --- a/drivers/media/dvb/dibusb/dvb-fe-dtt200u.c +++ /dev/null @@ -1,263 +0,0 @@ -/* - * dvb-dtt200u-fe.c is a driver which implements the frontend-part of the - * Yakumo/Typhoon/Hama USB2.0 boxes. It is hard-wired to the dibusb-driver as - * it uses the usb-transfer functions directly (maybe creating a - * generic-dvb-usb-lib for all usb-drivers will be reduce some more code.) - * - * Copyright (C) 2005 Patrick Boettcher <patrick.boettcher@desy.de> - * - * see dvb-dibusb-core.c for copyright details. - */ - -/* guessed protocol description (reverse engineered): - * read - * 00 - USB type 0x02 for usb2.0, 0x01 for usb1.1 - * 81 - <TS_LOCK> <current frequency divided by 250000> - * 82 - crash - do not touch - * 83 - crash - do not touch - * 84 - remote control - * 85 - crash - do not touch (OK, stop testing here) - * 88 - locking 2 bytes (0x80 0x40 == no signal, 0x89 0x20 == nice signal) - * 89 - noise-to-signal - * 8a - unkown 1 byte - signal_strength - * 8c - ber ??? - * 8d - ber - * 8e - unc - * - * write - * 02 - bandwidth - * 03 - frequency (divided by 250000) - * 04 - pid table (index pid(7:0) pid(12:8)) - * 05 - reset the pid table - * 08 - demod transfer enabled or not (FX2 transfer is enabled by default) - */ - -#include "dvb-dibusb.h" -#include "dvb_frontend.h" - -struct dtt200u_fe_state { - struct usb_dibusb *dib; - - struct dvb_frontend_parameters fep; - struct dvb_frontend frontend; -}; - -#define moan(which,what) info("unexpected value in '%s' for cmd '%02x' - please report to linux-dvb@linuxtv.org",which,what) - -static int dtt200u_fe_read_status(struct dvb_frontend* fe, fe_status_t *stat) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw[1] = { 0x81 }; - u8 br[3] = { 0 }; -// u8 bdeb[5] = { 0 }; - - dibusb_readwrite_usb(state->dib,bw,1,br,3); - switch (br[0]) { - case 0x01: - *stat = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; - break; - case 0x00: - *stat = 0; - break; - default: - moan("br[0]",0x81); - break; - } - -// bw[0] = 0x88; -// dibusb_readwrite_usb(state->dib,bw,1,bdeb,5); - -// deb_info("%02x: %02x %02x %02x %02x %02x\n",bw[0],bdeb[0],bdeb[1],bdeb[2],bdeb[3],bdeb[4]); - - return 0; -} -static int dtt200u_fe_read_ber(struct dvb_frontend* fe, u32 *ber) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw[1] = { 0x8d }; - *ber = 0; - dibusb_readwrite_usb(state->dib,bw,1,(u8*) ber, 3); - return 0; -} - -static int dtt200u_fe_read_unc_blocks(struct dvb_frontend* fe, u32 *unc) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw[1] = { 0x8c }; - *unc = 0; - dibusb_readwrite_usb(state->dib,bw,1,(u8*) unc, 3); - return 0; -} - -static int dtt200u_fe_read_signal_strength(struct dvb_frontend* fe, u16 *strength) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw[1] = { 0x8a }; - u8 b; - dibusb_readwrite_usb(state->dib,bw,1,&b, 1); - *strength = (b << 8) | b; - return 0; -} - -static int dtt200u_fe_read_snr(struct dvb_frontend* fe, u16 *snr) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw[1] = { 0x89 }; - u8 br[1] = { 0 }; - dibusb_readwrite_usb(state->dib,bw,1,br,1); - *snr = ((0xff - br[0]) << 8) | (0xff - br[0]); - return 0; -} - -static int dtt200u_fe_init(struct dvb_frontend* fe) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 b[] = { 0x01 }; - return dibusb_write_usb(state->dib,b,1); -} - -static int dtt200u_fe_sleep(struct dvb_frontend* fe) -{ - return dtt200u_fe_init(fe); -} - -static int dtt200u_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune) -{ - tune->min_delay_ms = 1500; - tune->step_size = 166667; - tune->max_drift = 166667 * 2; - return 0; -} - -static int dtt200u_fe_set_frontend(struct dvb_frontend* fe, - struct dvb_frontend_parameters *fep) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - u16 freq = fep->frequency / 250000; - u8 bw,bwbuf[2] = { 0x03, 0 }, freqbuf[3] = { 0x02, 0, 0 }; - - switch (fep->u.ofdm.bandwidth) { - case BANDWIDTH_8_MHZ: bw = 8; break; - case BANDWIDTH_7_MHZ: bw = 7; break; - case BANDWIDTH_6_MHZ: bw = 6; break; - case BANDWIDTH_AUTO: return -EOPNOTSUPP; - default: - return -EINVAL; - } - deb_info("set_frontend\n"); - - bwbuf[1] = bw; - dibusb_write_usb(state->dib,bwbuf,2); - - freqbuf[1] = freq & 0xff; - freqbuf[2] = (freq >> 8) & 0xff; - dibusb_write_usb(state->dib,freqbuf,3); - - memcpy(&state->fep,fep,sizeof(struct dvb_frontend_parameters)); - - return 0; -} - -static int dtt200u_fe_get_frontend(struct dvb_frontend* fe, - struct dvb_frontend_parameters *fep) -{ - struct dtt200u_fe_state *state = fe->demodulator_priv; - memcpy(fep,&state->fep,sizeof(struct dvb_frontend_parameters)); - return 0; -} - -static void dtt200u_fe_release(struct dvb_frontend* fe) -{ - struct dtt200u_fe_state *state = (struct dtt200u_fe_state*) fe->demodulator_priv; - kfree(state); -} - -static int dtt200u_pid_control(struct dvb_frontend *fe,int index, int pid,int onoff) -{ - struct dtt200u_fe_state *state = (struct dtt200u_fe_state*) fe->demodulator_priv; - u8 b_pid[4]; - pid = onoff ? pid : 0; - - b_pid[0] = 0x04; - b_pid[1] = index; - b_pid[2] = pid & 0xff; - b_pid[3] = (pid >> 8) & 0xff; - - dibusb_write_usb(state->dib,b_pid,4); - return 0; -} - -static int dtt200u_fifo_control(struct dvb_frontend *fe, int onoff) -{ - struct dtt200u_fe_state *state = (struct dtt200u_fe_state*) fe->demodulator_priv; - u8 b_streaming[2] = { 0x08, onoff }; - u8 b_rst_pid[1] = { 0x05 }; - - dibusb_write_usb(state->dib,b_streaming,2); - - if (!onoff) - dibusb_write_usb(state->dib,b_rst_pid,1); - return 0; -} - -static struct dvb_frontend_ops dtt200u_fe_ops; - -struct dvb_frontend* dtt200u_fe_attach(struct usb_dibusb *dib, struct dib_fe_xfer_ops *xfer_ops) -{ - struct dtt200u_fe_state* state = NULL; - - /* allocate memory for the internal state */ - state = (struct dtt200u_fe_state*) kmalloc(sizeof(struct dtt200u_fe_state), GFP_KERNEL); - if (state == NULL) - goto error; - memset(state,0,sizeof(struct dtt200u_fe_state)); - - deb_info("attaching frontend dtt200u\n"); - - state->dib = dib; - - state->frontend.ops = &dtt200u_fe_ops; - state->frontend.demodulator_priv = state; - - xfer_ops->fifo_ctrl = dtt200u_fifo_control; - xfer_ops->pid_ctrl = dtt200u_pid_control; - - goto success; -error: - return NULL; -success: - return &state->frontend; -} - -static struct dvb_frontend_ops dtt200u_fe_ops = { - .info = { - .name = "DTT200U (Yakumo/Typhoon/Hama) DVB-T", - .type = FE_OFDM, - .frequency_min = 44250000, - .frequency_max = 867250000, - .frequency_stepsize = 250000, - .caps = FE_CAN_INVERSION_AUTO | - 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_FEC_AUTO | - FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | - FE_CAN_TRANSMISSION_MODE_AUTO | - FE_CAN_GUARD_INTERVAL_AUTO | - FE_CAN_RECOVER | - FE_CAN_HIERARCHY_AUTO, - }, - - .release = dtt200u_fe_release, - - .init = dtt200u_fe_init, - .sleep = dtt200u_fe_sleep, - - .set_frontend = dtt200u_fe_set_frontend, - .get_frontend = dtt200u_fe_get_frontend, - .get_tune_settings = dtt200u_fe_get_tune_settings, - - .read_status = dtt200u_fe_read_status, - .read_ber = dtt200u_fe_read_ber, - .read_signal_strength = dtt200u_fe_read_signal_strength, - .read_snr = dtt200u_fe_read_snr, - .read_ucblocks = dtt200u_fe_read_unc_blocks, -}; |
