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Diffstat (limited to 'drivers/media/dvb/frontends/or51211.c')
-rw-r--r--drivers/media/dvb/frontends/or51211.c638
1 files changed, 0 insertions, 638 deletions
diff --git a/drivers/media/dvb/frontends/or51211.c b/drivers/media/dvb/frontends/or51211.c
deleted file mode 100644
index 7c3aed1f546..00000000000
--- a/drivers/media/dvb/frontends/or51211.c
+++ /dev/null
@@ -1,638 +0,0 @@
-/*
- * Support for OR51211 (pcHDTV HD-2000) - VSB
- *
- * Copyright (C) 2005 Kirk Lapray <kirk_lapray@bigfoot.com>
- *
- * Based on code from Jack Kelliher (kelliher@xmission.com)
- * Copyright (C) 2002 & pcHDTV, inc.
- *
- * 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.
- *
-*/
-
-/*
- * This driver needs external firmware. Please use the command
- * "<kerneldir>/Documentation/dvb/get_dvb_firmware or51211" to
- * download/extract it, and then copy it to /usr/lib/hotplug/firmware
- * or /lib/firmware (depending on configuration of firmware hotplug).
- */
-#define OR51211_DEFAULT_FIRMWARE "dvb-fe-or51211.fw"
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/device.h>
-#include <linux/firmware.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <asm/byteorder.h>
-
-#include "dvb_frontend.h"
-#include "or51211.h"
-
-static int debug;
-#define dprintk(args...) \
- do { \
- if (debug) printk(KERN_DEBUG "or51211: " args); \
- } while (0)
-
-static u8 run_buf[] = {0x7f,0x01};
-static u8 cmd_buf[] = {0x04,0x01,0x50,0x80,0x06}; // ATSC
-
-struct or51211_state {
-
- struct i2c_adapter* i2c;
- struct dvb_frontend_ops ops;
-
- /* Configuration settings */
- const struct or51211_config* config;
-
- struct dvb_frontend frontend;
- struct bt878* bt;
-
- /* Demodulator private data */
- u8 initialized:1;
-
- /* Tuner private data */
- u32 current_frequency;
-};
-
-static int i2c_writebytes (struct or51211_state* state, u8 reg, u8 *buf,
- int len)
-{
- int err;
- struct i2c_msg msg;
- msg.addr = reg;
- msg.flags = 0;
- msg.len = len;
- msg.buf = buf;
-
- if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
- printk(KERN_WARNING "or51211: i2c_writebytes error "
- "(addr %02x, err == %i)\n", reg, err);
- return -EREMOTEIO;
- }
-
- return 0;
-}
-
-static u8 i2c_readbytes (struct or51211_state* state, u8 reg, u8* buf, int len)
-{
- int err;
- struct i2c_msg msg;
- msg.addr = reg;
- msg.flags = I2C_M_RD;
- msg.len = len;
- msg.buf = buf;
-
- if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
- printk(KERN_WARNING "or51211: i2c_readbytes error "
- "(addr %02x, err == %i)\n", reg, err);
- return -EREMOTEIO;
- }
-
- return 0;
-}
-
-static int or51211_load_firmware (struct dvb_frontend* fe,
- const struct firmware *fw)
-{
- struct or51211_state* state = fe->demodulator_priv;
- u8 tudata[585];
- int i;
-
- dprintk("Firmware is %zd bytes\n",fw->size);
-
- /* Get eprom data */
- tudata[0] = 17;
- if (i2c_writebytes(state,0x50,tudata,1)) {
- printk(KERN_WARNING "or51211:load_firmware error eprom addr\n");
- return -1;
- }
- if (i2c_readbytes(state,0x50,&tudata[145],192)) {
- printk(KERN_WARNING "or51211: load_firmware error eprom\n");
- return -1;
- }
-
- /* Create firmware buffer */
- for (i = 0; i < 145; i++)
- tudata[i] = fw->data[i];
-
- for (i = 0; i < 248; i++)
- tudata[i+337] = fw->data[145+i];
-
- state->config->reset(fe);
-
- if (i2c_writebytes(state,state->config->demod_address,tudata,585)) {
- printk(KERN_WARNING "or51211: load_firmware error 1\n");
- return -1;
- }
- msleep(1);
-
- if (i2c_writebytes(state,state->config->demod_address,
- &fw->data[393],8125)) {
- printk(KERN_WARNING "or51211: load_firmware error 2\n");
- return -1;
- }
- msleep(1);
-
- if (i2c_writebytes(state,state->config->demod_address,run_buf,2)) {
- printk(KERN_WARNING "or51211: load_firmware error 3\n");
- return -1;
- }
-
- /* Wait at least 5 msec */
- msleep(10);
- if (i2c_writebytes(state,state->config->demod_address,run_buf,2)) {
- printk(KERN_WARNING "or51211: load_firmware error 4\n");
- return -1;
- }
- msleep(10);
-
- printk("or51211: Done.\n");
- return 0;
-};
-
-static int or51211_setmode(struct dvb_frontend* fe, int mode)
-{
- struct or51211_state* state = fe->demodulator_priv;
- u8 rec_buf[14];
-
- state->config->setmode(fe, mode);
-
- if (i2c_writebytes(state,state->config->demod_address,run_buf,2)) {
- printk(KERN_WARNING "or51211: setmode error 1\n");
- return -1;
- }
-
- /* Wait at least 5 msec */
- msleep(10);
- if (i2c_writebytes(state,state->config->demod_address,run_buf,2)) {
- printk(KERN_WARNING "or51211: setmode error 2\n");
- return -1;
- }
-
- msleep(10);
-
- /* Set operation mode in Receiver 1 register;
- * type 1:
- * data 0x50h Automatic sets receiver channel conditions
- * Automatic NTSC rejection filter
- * Enable MPEG serial data output
- * MPEG2tr
- * High tuner phase noise
- * normal +/-150kHz Carrier acquisition range
- */
- if (i2c_writebytes(state,state->config->demod_address,cmd_buf,3)) {
- printk(KERN_WARNING "or51211: setmode error 3\n");
- return -1;
- }
-
- rec_buf[0] = 0x04;
- rec_buf[1] = 0x00;
- rec_buf[2] = 0x03;
- rec_buf[3] = 0x00;
- msleep(20);
- if (i2c_writebytes(state,state->config->demod_address,rec_buf,3)) {
- printk(KERN_WARNING "or51211: setmode error 5\n");
- }
- msleep(3);
- if (i2c_readbytes(state,state->config->demod_address,&rec_buf[10],2)) {
- printk(KERN_WARNING "or51211: setmode error 6");
- return -1;
- }
- dprintk("setmode rec status %02x %02x\n",rec_buf[10],rec_buf[11]);
-
- return 0;
-}
-
-static int or51211_set_parameters(struct dvb_frontend* fe,
- struct dvb_frontend_parameters *param)
-{
- struct or51211_state* state = fe->demodulator_priv;
- u32 freq = 0;
- u16 tunerfreq = 0;
- u8 buf[4];
-
- /* Change only if we are actually changing the channel */
- if (state->current_frequency != param->frequency) {
- freq = 44000 + (param->frequency/1000);
- tunerfreq = freq * 16/1000;
-
- dprintk("set_parameters frequency = %d (tunerfreq = %d)\n",
- param->frequency,tunerfreq);
-
- buf[0] = (tunerfreq >> 8) & 0x7F;
- buf[1] = (tunerfreq & 0xFF);
- buf[2] = 0x8E;
-
- if (param->frequency < 157250000) {
- buf[3] = 0xA0;
- dprintk("set_parameters VHF low range\n");
- } else if (param->frequency < 454000000) {
- buf[3] = 0x90;
- dprintk("set_parameters VHF high range\n");
- } else {
- buf[3] = 0x30;
- dprintk("set_parameters UHF range\n");
- }
- dprintk("set_parameters tuner bytes: 0x%02x 0x%02x "
- "0x%02x 0x%02x\n",buf[0],buf[1],buf[2],buf[3]);
-
- if (i2c_writebytes(state,0xC2>>1,buf,4))
- printk(KERN_WARNING "or51211:set_parameters error "
- "writing to tuner\n");
-
- /* Set to ATSC mode */
- or51211_setmode(fe,0);
-
- /* Update current frequency */
- state->current_frequency = param->frequency;
- }
- return 0;
-}
-
-static int or51211_read_status(struct dvb_frontend* fe, fe_status_t* status)
-{
- struct or51211_state* state = fe->demodulator_priv;
- unsigned char rec_buf[2];
- unsigned char snd_buf[] = {0x04,0x00,0x03,0x00};
- *status = 0;
-
- /* Receiver Status */
- if (i2c_writebytes(state,state->config->demod_address,snd_buf,3)) {
- printk(KERN_WARNING "or51132: read_status write error\n");
- return -1;
- }
- msleep(3);
- if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
- printk(KERN_WARNING "or51132: read_status read error\n");
- return -1;
- }
- dprintk("read_status %x %x\n",rec_buf[0],rec_buf[1]);
-
- if (rec_buf[0] & 0x01) { /* Receiver Lock */
- *status |= FE_HAS_SIGNAL;
- *status |= FE_HAS_CARRIER;
- *status |= FE_HAS_VITERBI;
- *status |= FE_HAS_SYNC;
- *status |= FE_HAS_LOCK;
- }
- return 0;
-}
-
-/* log10-1 table at .5 increments from 1 to 100.5 */
-static unsigned int i100x20log10[] = {
- 0, 352, 602, 795, 954, 1088, 1204, 1306, 1397, 1480,
- 1556, 1625, 1690, 1750, 1806, 1858, 1908, 1955, 2000, 2042,
- 2082, 2121, 2158, 2193, 2227, 2260, 2292, 2322, 2352, 2380,
- 2408, 2434, 2460, 2486, 2510, 2534, 2557, 2580, 2602, 2623,
- 2644, 2664, 2684, 2704, 2723, 2742, 2760, 2778, 2795, 2813,
- 2829, 2846, 2862, 2878, 2894, 2909, 2924, 2939, 2954, 2968,
- 2982, 2996, 3010, 3023, 3037, 3050, 3062, 3075, 3088, 3100,
- 3112, 3124, 3136, 3148, 3159, 3170, 3182, 3193, 3204, 3214,
- 3225, 3236, 3246, 3256, 3266, 3276, 3286, 3296, 3306, 3316,
- 3325, 3334, 3344, 3353, 3362, 3371, 3380, 3389, 3397, 3406,
- 3415, 3423, 3432, 3440, 3448, 3456, 3464, 3472, 3480, 3488,
- 3496, 3504, 3511, 3519, 3526, 3534, 3541, 3549, 3556, 3563,
- 3570, 3577, 3584, 3591, 3598, 3605, 3612, 3619, 3625, 3632,
- 3639, 3645, 3652, 3658, 3665, 3671, 3677, 3683, 3690, 3696,
- 3702, 3708, 3714, 3720, 3726, 3732, 3738, 3744, 3750, 3755,
- 3761, 3767, 3772, 3778, 3784, 3789, 3795, 3800, 3806, 3811,
- 3816, 3822, 3827, 3832, 3838, 3843, 3848, 3853, 3858, 3863,
- 3868, 3874, 3879, 3884, 3888, 3893, 3898, 3903, 3908, 3913,
- 3918, 3922, 3927, 3932, 3936, 3941, 3946, 3950, 3955, 3960,
- 3964, 3969, 3973, 3978, 3982, 3986, 3991, 3995, 4000, 4004,
-};
-
-static unsigned int denom[] = {1,1,100,1000,10000,100000,1000000,10000000,100000000};
-
-static unsigned int i20Log10(unsigned short val)
-{
- unsigned int rntval = 100;
- unsigned int tmp = val;
- unsigned int exp = 1;
-
- while(tmp > 100) {tmp /= 100; exp++;}
-
- val = (2 * val)/denom[exp];
- if (exp > 1) rntval = 2000*exp;
-
- rntval += i100x20log10[val];
- return rntval;
-}
-
-static int or51211_read_signal_strength(struct dvb_frontend* fe, u16* strength)
-{
- struct or51211_state* state = fe->demodulator_priv;
- u8 rec_buf[2];
- u8 snd_buf[4];
- u8 snr_equ;
- u32 signal_strength;
-
- /* SNR after Equalizer */
- snd_buf[0] = 0x04;
- snd_buf[1] = 0x00;
- snd_buf[2] = 0x04;
- snd_buf[3] = 0x00;
-
- if (i2c_writebytes(state,state->config->demod_address,snd_buf,3)) {
- printk(KERN_WARNING "or51211: read_status write error\n");
- return -1;
- }
- msleep(3);
- if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
- printk(KERN_WARNING "or51211: read_status read error\n");
- return -1;
- }
- snr_equ = rec_buf[0] & 0xff;
-
- /* The value reported back from the frontend will be FFFF=100% 0000=0% */
- signal_strength = (((5334 - i20Log10(snr_equ))/3+5)*65535)/1000;
- if (signal_strength > 0xffff)
- *strength = 0xffff;
- else
- *strength = signal_strength;
- dprintk("read_signal_strength %i\n",*strength);
-
- return 0;
-}
-
-static int or51211_read_snr(struct dvb_frontend* fe, u16* snr)
-{
- struct or51211_state* state = fe->demodulator_priv;
- u8 rec_buf[2];
- u8 snd_buf[4];
-
- /* SNR after Equalizer */
- snd_buf[0] = 0x04;
- snd_buf[1] = 0x00;
- snd_buf[2] = 0x04;
- snd_buf[3] = 0x00;
-
- if (i2c_writebytes(state,state->config->demod_address,snd_buf,3)) {
- printk(KERN_WARNING "or51211: read_status write error\n");
- return -1;
- }
- msleep(3);
- if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
- printk(KERN_WARNING "or51211: read_status read error\n");
- return -1;
- }
- *snr = rec_buf[0] & 0xff;
-
- dprintk("read_snr %i\n",*snr);
-
- return 0;
-}
-
-static int or51211_read_ber(struct dvb_frontend* fe, u32* ber)
-{
- *ber = -ENOSYS;
- return 0;
-}
-
-static int or51211_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
-{
- *ucblocks = -ENOSYS;
- return 0;
-}
-
-static int or51211_sleep(struct dvb_frontend* fe)
-{
- return 0;
-}
-
-static int or51211_init(struct dvb_frontend* fe)
-{
- struct or51211_state* state = fe->demodulator_priv;
- const struct or51211_config* config = state->config;
- const struct firmware* fw;
- unsigned char get_ver_buf[] = {0x04,0x00,0x30,0x00,0x00};
- unsigned char rec_buf[14];
- int ret,i;
-
- if (!state->initialized) {
- /* Request the firmware, this will block until it uploads */
- printk(KERN_INFO "or51211: Waiting for firmware upload "
- "(%s)...\n", OR51211_DEFAULT_FIRMWARE);
- ret = config->request_firmware(fe, &fw,
- OR51211_DEFAULT_FIRMWARE);
- printk(KERN_INFO "or51211:Got Hotplug firmware\n");
- if (ret) {
- printk(KERN_WARNING "or51211: No firmware uploaded "
- "(timeout or file not found?)\n");
- return ret;
- }
-
- ret = or51211_load_firmware(fe, fw);
- if (ret) {
- printk(KERN_WARNING "or51211: Writing firmware to "
- "device failed!\n");
- release_firmware(fw);
- return ret;
- }
- printk(KERN_INFO "or51211: Firmware upload complete.\n");
-
- /* Set operation mode in Receiver 1 register;
- * type 1:
- * data 0x50h Automatic sets receiver channel conditions
- * Automatic NTSC rejection filter
- * Enable MPEG serial data output
- * MPEG2tr
- * High tuner phase noise
- * normal +/-150kHz Carrier acquisition range
- */
- if (i2c_writebytes(state,state->config->demod_address,
- cmd_buf,3)) {
- printk(KERN_WARNING "or51211: Load DVR Error 5\n");
- return -1;
- }
-
- /* Read back ucode version to besure we loaded correctly */
- /* and are really up and running */
- rec_buf[0] = 0x04;
- rec_buf[1] = 0x00;
- rec_buf[2] = 0x03;
- rec_buf[3] = 0x00;
- msleep(30);
- if (i2c_writebytes(state,state->config->demod_address,
- rec_buf,3)) {
- printk(KERN_WARNING "or51211: Load DVR Error A\n");
- return -1;
- }
- msleep(3);
- if (i2c_readbytes(state,state->config->demod_address,
- &rec_buf[10],2)) {
- printk(KERN_WARNING "or51211: Load DVR Error B\n");
- return -1;
- }
-
- rec_buf[0] = 0x04;
- rec_buf[1] = 0x00;
- rec_buf[2] = 0x01;
- rec_buf[3] = 0x00;
- msleep(20);
- if (i2c_writebytes(state,state->config->demod_address,
- rec_buf,3)) {
- printk(KERN_WARNING "or51211: Load DVR Error C\n");
- return -1;
- }
- msleep(3);
- if (i2c_readbytes(state,state->config->demod_address,
- &rec_buf[12],2)) {
- printk(KERN_WARNING "or51211: Load DVR Error D\n");
- return -1;
- }
-
- for (i = 0; i < 8; i++)
- rec_buf[i]=0xed;
-
- for (i = 0; i < 5; i++) {
- msleep(30);
- get_ver_buf[4] = i+1;
- if (i2c_writebytes(state,state->config->demod_address,
- get_ver_buf,5)) {
- printk(KERN_WARNING "or51211:Load DVR Error 6"
- " - %d\n",i);
- return -1;
- }
- msleep(3);
-
- if (i2c_readbytes(state,state->config->demod_address,
- &rec_buf[i*2],2)) {
- printk(KERN_WARNING "or51211:Load DVR Error 7"
- " - %d\n",i);
- return -1;
- }
- /* If we didn't receive the right index, try again */
- if ((int)rec_buf[i*2+1]!=i+1){
- i--;
- }
- }
- dprintk("read_fwbits %x %x %x %x %x %x %x %x %x %x\n",
- rec_buf[0], rec_buf[1], rec_buf[2], rec_buf[3],
- rec_buf[4], rec_buf[5], rec_buf[6], rec_buf[7],
- rec_buf[8], rec_buf[9]);
-
- printk(KERN_INFO "or51211: ver TU%02x%02x%02x VSB mode %02x"
- " Status %02x\n",
- rec_buf[2], rec_buf[4],rec_buf[6],
- rec_buf[12],rec_buf[10]);
-
- rec_buf[0] = 0x04;
- rec_buf[1] = 0x00;
- rec_buf[2] = 0x03;
- rec_buf[3] = 0x00;
- msleep(20);
- if (i2c_writebytes(state,state->config->demod_address,
- rec_buf,3)) {
- printk(KERN_WARNING "or51211: Load DVR Error 8\n");
- return -1;
- }
- msleep(20);
- if (i2c_readbytes(state,state->config->demod_address,
- &rec_buf[8],2)) {
- printk(KERN_WARNING "or51211: Load DVR Error 9\n");
- return -1;
- }
- state->initialized = 1;
- }
-
- return 0;
-}
-
-static int or51211_get_tune_settings(struct dvb_frontend* fe,
- struct dvb_frontend_tune_settings* fesettings)
-{
- fesettings->min_delay_ms = 500;
- fesettings->step_size = 0;
- fesettings->max_drift = 0;
- return 0;
-}
-
-static void or51211_release(struct dvb_frontend* fe)
-{
- struct or51211_state* state = fe->demodulator_priv;
- state->config->sleep(fe);
- kfree(state);
-}
-
-static struct dvb_frontend_ops or51211_ops;
-
-struct dvb_frontend* or51211_attach(const struct or51211_config* config,
- struct i2c_adapter* i2c)
-{
- struct or51211_state* state = NULL;
-
- /* Allocate memory for the internal state */
- state = kmalloc(sizeof(struct or51211_state), GFP_KERNEL);
- if (state == NULL)
- goto error;
-
- /* Setup the state */
- state->config = config;
- state->i2c = i2c;
- memcpy(&state->ops, &or51211_ops, sizeof(struct dvb_frontend_ops));
- state->initialized = 0;
- state->current_frequency = 0;
-
- /* Create dvb_frontend */
- state->frontend.ops = &state->ops;
- state->frontend.demodulator_priv = state;
- return &state->frontend;
-
-error:
- kfree(state);
- return NULL;
-}
-
-static struct dvb_frontend_ops or51211_ops = {
-
- .info = {
- .name = "Oren OR51211 VSB Frontend",
- .type = FE_ATSC,
- .frequency_min = 44000000,
- .frequency_max = 958000000,
- .frequency_stepsize = 166666,
- .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_FEC_AUTO |
- FE_CAN_8VSB
- },
-
- .release = or51211_release,
-
- .init = or51211_init,
- .sleep = or51211_sleep,
-
- .set_frontend = or51211_set_parameters,
- .get_tune_settings = or51211_get_tune_settings,
-
- .read_status = or51211_read_status,
- .read_ber = or51211_read_ber,
- .read_signal_strength = or51211_read_signal_strength,
- .read_snr = or51211_read_snr,
- .read_ucblocks = or51211_read_ucblocks,
-};
-
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
-
-MODULE_DESCRIPTION("Oren OR51211 VSB [pcHDTV HD-2000] Demodulator Driver");
-MODULE_AUTHOR("Kirk Lapray");
-MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL(or51211_attach);
-
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 17:55:31 +0000