diff options
Diffstat (limited to 'drivers/media/pci/ddbridge/ddbridge-max.c')
| -rw-r--r-- | drivers/media/pci/ddbridge/ddbridge-max.c | 504 |
1 files changed, 504 insertions, 0 deletions
diff --git a/drivers/media/pci/ddbridge/ddbridge-max.c b/drivers/media/pci/ddbridge/ddbridge-max.c new file mode 100644 index 000000000..8da1c7b91 --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-max.c @@ -0,0 +1,504 @@ +/* + * ddbridge-max.c: Digital Devices bridge MAX card support + * + * Copyright (C) 2010-2017 Digital Devices GmbH + * Ralph Metzler <rjkm@metzlerbros.de> + * Marcus Metzler <mocm@metzlerbros.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 only, as published by the Free Software Foundation. + * + * 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. + * + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/poll.h> +#include <linux/io.h> +#include <linux/pci.h> +#include <linux/pci_ids.h> +#include <linux/timer.h> +#include <linux/i2c.h> +#include <linux/swab.h> +#include <linux/vmalloc.h> + +#include "ddbridge.h" +#include "ddbridge-regs.h" +#include "ddbridge-io.h" +#include "ddbridge-mci.h" + +#include "ddbridge-max.h" +#include "mxl5xx.h" + +/******************************************************************************/ + +/* MaxS4/8 related modparams */ +static int fmode; +module_param(fmode, int, 0444); +MODULE_PARM_DESC(fmode, "frontend emulation mode"); + +static int fmode_sat = -1; +module_param(fmode_sat, int, 0444); +MODULE_PARM_DESC(fmode_sat, "set frontend emulation mode sat"); + +static int old_quattro; +module_param(old_quattro, int, 0444); +MODULE_PARM_DESC(old_quattro, "old quattro LNB input order "); + +/******************************************************************************/ + +static int lnb_command(struct ddb *dev, u32 link, u32 lnb, u32 cmd) +{ + u32 c, v = 0, tag = DDB_LINK_TAG(link); + + v = LNB_TONE & (dev->link[link].lnb.tone << (15 - lnb)); + ddbwritel(dev, cmd | v, tag | LNB_CONTROL(lnb)); + for (c = 0; c < 10; c++) { + v = ddbreadl(dev, tag | LNB_CONTROL(lnb)); + if ((v & LNB_BUSY) == 0) + break; + msleep(20); + } + if (c == 10) + dev_info(dev->dev, "%s lnb = %08x cmd = %08x\n", + __func__, lnb, cmd); + return 0; +} + +static int max_send_master_cmd(struct dvb_frontend *fe, + struct dvb_diseqc_master_cmd *cmd) +{ + struct ddb_input *input = fe->sec_priv; + struct ddb_port *port = input->port; + struct ddb *dev = port->dev; + struct ddb_dvb *dvb = &port->dvb[input->nr & 1]; + u32 tag = DDB_LINK_TAG(port->lnr); + int i; + u32 fmode = dev->link[port->lnr].lnb.fmode; + + if (fmode == 2 || fmode == 1) + return 0; + if (dvb->diseqc_send_master_cmd) + dvb->diseqc_send_master_cmd(fe, cmd); + + mutex_lock(&dev->link[port->lnr].lnb.lock); + ddbwritel(dev, 0, tag | LNB_BUF_LEVEL(dvb->input)); + for (i = 0; i < cmd->msg_len; i++) + ddbwritel(dev, cmd->msg[i], tag | LNB_BUF_WRITE(dvb->input)); + lnb_command(dev, port->lnr, dvb->input, LNB_CMD_DISEQC); + mutex_unlock(&dev->link[port->lnr].lnb.lock); + return 0; +} + +static int lnb_send_diseqc(struct ddb *dev, u32 link, u32 input, + struct dvb_diseqc_master_cmd *cmd) +{ + u32 tag = DDB_LINK_TAG(link); + int i; + + ddbwritel(dev, 0, tag | LNB_BUF_LEVEL(input)); + for (i = 0; i < cmd->msg_len; i++) + ddbwritel(dev, cmd->msg[i], tag | LNB_BUF_WRITE(input)); + lnb_command(dev, link, input, LNB_CMD_DISEQC); + return 0; +} + +static int lnb_set_sat(struct ddb *dev, u32 link, u32 input, u32 sat, u32 band, + u32 hor) +{ + struct dvb_diseqc_master_cmd cmd = { + .msg = {0xe0, 0x10, 0x38, 0xf0, 0x00, 0x00}, + .msg_len = 4 + }; + cmd.msg[3] = 0xf0 | (((sat << 2) & 0x0c) | (band ? 1 : 0) | + (hor ? 2 : 0)); + return lnb_send_diseqc(dev, link, input, &cmd); +} + +static int lnb_set_tone(struct ddb *dev, u32 link, u32 input, + enum fe_sec_tone_mode tone) +{ + int s = 0; + u32 mask = (1ULL << input); + + switch (tone) { + case SEC_TONE_OFF: + if (!(dev->link[link].lnb.tone & mask)) + return 0; + dev->link[link].lnb.tone &= ~(1ULL << input); + break; + case SEC_TONE_ON: + if (dev->link[link].lnb.tone & mask) + return 0; + dev->link[link].lnb.tone |= (1ULL << input); + break; + default: + s = -EINVAL; + break; + } + if (!s) + s = lnb_command(dev, link, input, LNB_CMD_NOP); + return s; +} + +static int lnb_set_voltage(struct ddb *dev, u32 link, u32 input, + enum fe_sec_voltage voltage) +{ + int s = 0; + + if (dev->link[link].lnb.oldvoltage[input] == voltage) + return 0; + switch (voltage) { + case SEC_VOLTAGE_OFF: + if (dev->link[link].lnb.voltage[input]) + return 0; + lnb_command(dev, link, input, LNB_CMD_OFF); + break; + case SEC_VOLTAGE_13: + lnb_command(dev, link, input, LNB_CMD_LOW); + break; + case SEC_VOLTAGE_18: + lnb_command(dev, link, input, LNB_CMD_HIGH); + break; + default: + s = -EINVAL; + break; + } + dev->link[link].lnb.oldvoltage[input] = voltage; + return s; +} + +static int max_set_input_unlocked(struct dvb_frontend *fe, int in) +{ + struct ddb_input *input = fe->sec_priv; + struct ddb_port *port = input->port; + struct ddb *dev = port->dev; + struct ddb_dvb *dvb = &port->dvb[input->nr & 1]; + int res = 0; + + if (in > 3) + return -EINVAL; + if (dvb->input != in) { + u32 bit = (1ULL << input->nr); + u32 obit = + dev->link[port->lnr].lnb.voltage[dvb->input & 3] & bit; + + dev->link[port->lnr].lnb.voltage[dvb->input & 3] &= ~bit; + dvb->input = in; + dev->link[port->lnr].lnb.voltage[dvb->input & 3] |= obit; + } + res = dvb->set_input(fe, in); + return res; +} + +static int max_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone) +{ + struct ddb_input *input = fe->sec_priv; + struct ddb_port *port = input->port; + struct ddb *dev = port->dev; + struct ddb_dvb *dvb = &port->dvb[input->nr & 1]; + int tuner = 0; + int res = 0; + u32 fmode = dev->link[port->lnr].lnb.fmode; + + mutex_lock(&dev->link[port->lnr].lnb.lock); + dvb->tone = tone; + switch (fmode) { + default: + case 0: + case 3: + res = lnb_set_tone(dev, port->lnr, dvb->input, tone); + break; + case 1: + case 2: + if (old_quattro) { + if (dvb->tone == SEC_TONE_ON) + tuner |= 2; + if (dvb->voltage == SEC_VOLTAGE_18) + tuner |= 1; + } else { + if (dvb->tone == SEC_TONE_ON) + tuner |= 1; + if (dvb->voltage == SEC_VOLTAGE_18) + tuner |= 2; + } + res = max_set_input_unlocked(fe, tuner); + break; + } + mutex_unlock(&dev->link[port->lnr].lnb.lock); + return res; +} + +static int max_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage) +{ + struct ddb_input *input = fe->sec_priv; + struct ddb_port *port = input->port; + struct ddb *dev = port->dev; + struct ddb_dvb *dvb = &port->dvb[input->nr & 1]; + int tuner = 0; + u32 nv, ov = dev->link[port->lnr].lnb.voltages; + int res = 0; + u32 fmode = dev->link[port->lnr].lnb.fmode; + + mutex_lock(&dev->link[port->lnr].lnb.lock); + dvb->voltage = voltage; + + switch (fmode) { + case 3: + default: + case 0: + if (fmode == 3) + max_set_input_unlocked(fe, 0); + if (voltage == SEC_VOLTAGE_OFF) + dev->link[port->lnr].lnb.voltage[dvb->input] &= + ~(1ULL << input->nr); + else + dev->link[port->lnr].lnb.voltage[dvb->input] |= + (1ULL << input->nr); + + res = lnb_set_voltage(dev, port->lnr, dvb->input, voltage); + break; + case 1: + case 2: + if (voltage == SEC_VOLTAGE_OFF) + dev->link[port->lnr].lnb.voltages &= + ~(1ULL << input->nr); + else + dev->link[port->lnr].lnb.voltages |= + (1ULL << input->nr); + + nv = dev->link[port->lnr].lnb.voltages; + + if (old_quattro) { + if (dvb->tone == SEC_TONE_ON) + tuner |= 2; + if (dvb->voltage == SEC_VOLTAGE_18) + tuner |= 1; + } else { + if (dvb->tone == SEC_TONE_ON) + tuner |= 1; + if (dvb->voltage == SEC_VOLTAGE_18) + tuner |= 2; + } + res = max_set_input_unlocked(fe, tuner); + + if (nv != ov) { + if (nv) { + lnb_set_voltage( + dev, port->lnr, + 0, SEC_VOLTAGE_13); + if (fmode == 1) { + lnb_set_voltage( + dev, port->lnr, + 0, SEC_VOLTAGE_13); + if (old_quattro) { + lnb_set_voltage( + dev, port->lnr, + 1, SEC_VOLTAGE_18); + lnb_set_voltage( + dev, port->lnr, + 2, SEC_VOLTAGE_13); + } else { + lnb_set_voltage( + dev, port->lnr, + 1, SEC_VOLTAGE_13); + lnb_set_voltage( + dev, port->lnr, + 2, SEC_VOLTAGE_18); + } + lnb_set_voltage( + dev, port->lnr, + 3, SEC_VOLTAGE_18); + } + } else { + lnb_set_voltage( + dev, port->lnr, + 0, SEC_VOLTAGE_OFF); + if (fmode == 1) { + lnb_set_voltage( + dev, port->lnr, + 1, SEC_VOLTAGE_OFF); + lnb_set_voltage( + dev, port->lnr, + 2, SEC_VOLTAGE_OFF); + lnb_set_voltage( + dev, port->lnr, + 3, SEC_VOLTAGE_OFF); + } + } + } + break; + } + mutex_unlock(&dev->link[port->lnr].lnb.lock); + return res; +} + +static int max_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg) +{ + return 0; +} + +static int max_send_burst(struct dvb_frontend *fe, enum fe_sec_mini_cmd burst) +{ + return 0; +} + +static int mxl_fw_read(void *priv, u8 *buf, u32 len) +{ + struct ddb_link *link = priv; + struct ddb *dev = link->dev; + + dev_info(dev->dev, "Read mxl_fw from link %u\n", link->nr); + + return ddbridge_flashread(dev, link->nr, buf, 0xc0000, len); +} + +int ddb_lnb_init_fmode(struct ddb *dev, struct ddb_link *link, u32 fm) +{ + u32 l = link->nr; + + if (link->lnb.fmode == fm) + return 0; + dev_info(dev->dev, "Set fmode link %u = %u\n", l, fm); + mutex_lock(&link->lnb.lock); + if (fm == 2 || fm == 1) { + if (fmode_sat >= 0) { + lnb_set_sat(dev, l, 0, fmode_sat, 0, 0); + if (old_quattro) { + lnb_set_sat(dev, l, 1, fmode_sat, 0, 1); + lnb_set_sat(dev, l, 2, fmode_sat, 1, 0); + } else { + lnb_set_sat(dev, l, 1, fmode_sat, 1, 0); + lnb_set_sat(dev, l, 2, fmode_sat, 0, 1); + } + lnb_set_sat(dev, l, 3, fmode_sat, 1, 1); + } + lnb_set_tone(dev, l, 0, SEC_TONE_OFF); + if (old_quattro) { + lnb_set_tone(dev, l, 1, SEC_TONE_OFF); + lnb_set_tone(dev, l, 2, SEC_TONE_ON); + } else { + lnb_set_tone(dev, l, 1, SEC_TONE_ON); + lnb_set_tone(dev, l, 2, SEC_TONE_OFF); + } + lnb_set_tone(dev, l, 3, SEC_TONE_ON); + } + link->lnb.fmode = fm; + mutex_unlock(&link->lnb.lock); + return 0; +} + +static struct mxl5xx_cfg mxl5xx = { + .adr = 0x60, + .type = 0x01, + .clk = 27000000, + .ts_clk = 139, + .cap = 12, + .fw_read = mxl_fw_read, +}; + +int ddb_fe_attach_mxl5xx(struct ddb_input *input) +{ + struct ddb *dev = input->port->dev; + struct i2c_adapter *i2c = &input->port->i2c->adap; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct ddb_port *port = input->port; + struct ddb_link *link = &dev->link[port->lnr]; + struct mxl5xx_cfg cfg; + int demod, tuner; + + cfg = mxl5xx; + cfg.fw_priv = link; + dvb->set_input = NULL; + + demod = input->nr; + tuner = demod & 3; + if (fmode == 3) + tuner = 0; + + dvb->fe = dvb_attach(mxl5xx_attach, i2c, &cfg, + demod, tuner, &dvb->set_input); + + if (!dvb->fe) { + dev_err(dev->dev, "No MXL5XX found!\n"); + return -ENODEV; + } + + if (!dvb->set_input) { + dev_err(dev->dev, "No mxl5xx_set_input function pointer!\n"); + return -ENODEV; + } + + if (input->nr < 4) { + lnb_command(dev, port->lnr, input->nr, LNB_CMD_INIT); + lnb_set_voltage(dev, port->lnr, input->nr, SEC_VOLTAGE_OFF); + } + ddb_lnb_init_fmode(dev, link, fmode); + + dvb->fe->ops.set_voltage = max_set_voltage; + dvb->fe->ops.enable_high_lnb_voltage = max_enable_high_lnb_voltage; + dvb->fe->ops.set_tone = max_set_tone; + dvb->diseqc_send_master_cmd = dvb->fe->ops.diseqc_send_master_cmd; + dvb->fe->ops.diseqc_send_master_cmd = max_send_master_cmd; + dvb->fe->ops.diseqc_send_burst = max_send_burst; + dvb->fe->sec_priv = input; + dvb->input = tuner; + return 0; +} + +/******************************************************************************/ +/* MAX MCI related functions */ + +int ddb_fe_attach_mci(struct ddb_input *input, u32 type) +{ + struct ddb *dev = input->port->dev; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct ddb_port *port = input->port; + struct ddb_link *link = &dev->link[port->lnr]; + int demod, tuner; + struct mci_cfg cfg; + + demod = input->nr; + tuner = demod & 3; + switch (type) { + case DDB_TUNER_MCI_SX8: + cfg = ddb_max_sx8_cfg; + if (fmode == 3) + tuner = 0; + break; + default: + return -EINVAL; + } + dvb->fe = ddb_mci_attach(input, &cfg, demod, &dvb->set_input); + if (!dvb->fe) { + dev_err(dev->dev, "No MCI card found!\n"); + return -ENODEV; + } + if (!dvb->set_input) { + dev_err(dev->dev, "No MCI set_input function pointer!\n"); + return -ENODEV; + } + if (input->nr < 4) { + lnb_command(dev, port->lnr, input->nr, LNB_CMD_INIT); + lnb_set_voltage(dev, port->lnr, input->nr, SEC_VOLTAGE_OFF); + } + ddb_lnb_init_fmode(dev, link, fmode); + + dvb->fe->ops.set_voltage = max_set_voltage; + dvb->fe->ops.enable_high_lnb_voltage = max_enable_high_lnb_voltage; + dvb->fe->ops.set_tone = max_set_tone; + dvb->diseqc_send_master_cmd = dvb->fe->ops.diseqc_send_master_cmd; + dvb->fe->ops.diseqc_send_master_cmd = max_send_master_cmd; + dvb->fe->ops.diseqc_send_burst = max_send_burst; + dvb->fe->sec_priv = input; + dvb->input = tuner; + return 0; +} |