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path: root/drivers/media/pci/ddbridge/ddbridge-max.c
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Diffstat (limited to 'drivers/media/pci/ddbridge/ddbridge-max.c')
-rw-r--r--drivers/media/pci/ddbridge/ddbridge-max.c454
1 files changed, 454 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 000000000000..dc6b81488746
--- /dev/null
+++ b/drivers/media/pci/ddbridge/ddbridge-max.c
@@ -0,0 +1,454 @@
+/*
+ * 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-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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 07:05:36 +0100