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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-11-16 21:42:27 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-11-16 21:42:27 +0300
commit36f94a5cf0f9afb527f18166ae56bd3cc7204f63 (patch)
tree88d5d356343c2ddbdce083597dc0a63203171964 /drivers/media/dvb-frontends
parentc0026c7bfb95c250c3e34fde59f96ad72fd730d6 (diff)
parenta25f0944ba9b1d8a6813fd6f1a86f1bd59ac25a6 (diff)
downloadlinux-36f94a5cf0f9afb527f18166ae56bd3cc7204f63.tar.xz
Merge tag 'v4.9-rc5' into patchwork
Linux 4.9-rc5 * tag 'v4.9-rc5': (1102 commits) Linux 4.9-rc5 gp8psk: Fix DVB frontend attach gp8psk: fix gp8psk_usb_in_op() logic dvb-usb: move data_mutex to struct dvb_usb_device iio: maxim_thermocouple: detect invalid storage size in read() aoe: fix crash in page count manipulation lightnvm: invalid offset calculation for lba_shift Kbuild: enable -Wmaybe-uninitialized warnings by default pcmcia: fix return value of soc_pcmcia_regulator_set infiniband: shut up a maybe-uninitialized warning crypto: aesni: shut up -Wmaybe-uninitialized warning rc: print correct variable for z8f0811 dib0700: fix nec repeat handling s390: pci: don't print uninitialized data for debugging nios2: fix timer initcall return value x86: apm: avoid uninitialized data NFSv4.1: work around -Wmaybe-uninitialized warning Kbuild: enable -Wmaybe-uninitialized warning for "make W=1" lib/stackdepot: export save/fetch stack for drivers mm: kmemleak: scan .data.ro_after_init ...
Diffstat (limited to 'drivers/media/dvb-frontends')
-rw-r--r--drivers/media/dvb-frontends/Kconfig5
-rw-r--r--drivers/media/dvb-frontends/Makefile1
-rw-r--r--drivers/media/dvb-frontends/gp8psk-fe.c397
-rw-r--r--drivers/media/dvb-frontends/gp8psk-fe.h82
4 files changed, 485 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig
index 012225587c25..b71b747ee0ba 100644
--- a/drivers/media/dvb-frontends/Kconfig
+++ b/drivers/media/dvb-frontends/Kconfig
@@ -513,6 +513,11 @@ config DVB_AS102_FE
depends on DVB_CORE
default DVB_AS102
+config DVB_GP8PSK_FE
+ tristate
+ depends on DVB_CORE
+ default DVB_USB_GP8PSK
+
comment "DVB-C (cable) frontends"
depends on DVB_CORE
diff --git a/drivers/media/dvb-frontends/Makefile b/drivers/media/dvb-frontends/Makefile
index e90165ad361b..93921a4eaa27 100644
--- a/drivers/media/dvb-frontends/Makefile
+++ b/drivers/media/dvb-frontends/Makefile
@@ -121,6 +121,7 @@ obj-$(CONFIG_DVB_RTL2832_SDR) += rtl2832_sdr.o
obj-$(CONFIG_DVB_M88RS2000) += m88rs2000.o
obj-$(CONFIG_DVB_AF9033) += af9033.o
obj-$(CONFIG_DVB_AS102_FE) += as102_fe.o
+obj-$(CONFIG_DVB_GP8PSK_FE) += gp8psk-fe.o
obj-$(CONFIG_DVB_TC90522) += tc90522.o
obj-$(CONFIG_DVB_HORUS3A) += horus3a.o
obj-$(CONFIG_DVB_ASCOT2E) += ascot2e.o
diff --git a/drivers/media/dvb-frontends/gp8psk-fe.c b/drivers/media/dvb-frontends/gp8psk-fe.c
new file mode 100644
index 000000000000..be19afeed7a9
--- /dev/null
+++ b/drivers/media/dvb-frontends/gp8psk-fe.c
@@ -0,0 +1,397 @@
+/* DVB USB compliant Linux driver for the
+ * - GENPIX 8pks/qpsk/DCII USB2.0 DVB-S module
+ *
+ * Copyright (C) 2006,2007 Alan Nisota (alannisota@gmail.com)
+ * Copyright (C) 2006,2007 Genpix Electronics (genpix@genpix-electronics.com)
+ *
+ * Thanks to GENPIX for the sample code used to implement this module.
+ *
+ * This module is based off the vp7045 and vp702x modules
+ *
+ * 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, version 2.
+ *
+ * see Documentation/dvb/README.dvb-usb for more information
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include "gp8psk-fe.h"
+#include "dvb_frontend.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
+
+#define dprintk(fmt, arg...) do { \
+ if (debug) \
+ printk(KERN_DEBUG pr_fmt("%s: " fmt), \
+ __func__, ##arg); \
+} while (0)
+
+struct gp8psk_fe_state {
+ struct dvb_frontend fe;
+ void *priv;
+ const struct gp8psk_fe_ops *ops;
+ bool is_rev1;
+ u8 lock;
+ u16 snr;
+ unsigned long next_status_check;
+ unsigned long status_check_interval;
+};
+
+static int gp8psk_tuned_to_DCII(struct dvb_frontend *fe)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+ u8 status;
+
+ st->ops->in(st->priv, GET_8PSK_CONFIG, 0, 0, &status, 1);
+ return status & bmDCtuned;
+}
+
+static int gp8psk_set_tuner_mode(struct dvb_frontend *fe, int mode)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+
+ return st->ops->out(st->priv, SET_8PSK_CONFIG, mode, 0, NULL, 0);
+}
+
+static int gp8psk_fe_update_status(struct gp8psk_fe_state *st)
+{
+ u8 buf[6];
+ if (time_after(jiffies,st->next_status_check)) {
+ st->ops->in(st->priv, GET_SIGNAL_LOCK, 0, 0, &st->lock, 1);
+ st->ops->in(st->priv, GET_SIGNAL_STRENGTH, 0, 0, buf, 6);
+ st->snr = (buf[1]) << 8 | buf[0];
+ st->next_status_check = jiffies + (st->status_check_interval*HZ)/1000;
+ }
+ return 0;
+}
+
+static int gp8psk_fe_read_status(struct dvb_frontend *fe,
+ enum fe_status *status)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+ gp8psk_fe_update_status(st);
+
+ if (st->lock)
+ *status = FE_HAS_LOCK | FE_HAS_SYNC | FE_HAS_VITERBI | FE_HAS_SIGNAL | FE_HAS_CARRIER;
+ else
+ *status = 0;
+
+ if (*status & FE_HAS_LOCK)
+ st->status_check_interval = 1000;
+ else
+ st->status_check_interval = 100;
+ return 0;
+}
+
+/* not supported by this Frontend */
+static int gp8psk_fe_read_ber(struct dvb_frontend* fe, u32 *ber)
+{
+ (void) fe;
+ *ber = 0;
+ return 0;
+}
+
+/* not supported by this Frontend */
+static int gp8psk_fe_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
+{
+ (void) fe;
+ *unc = 0;
+ return 0;
+}
+
+static int gp8psk_fe_read_snr(struct dvb_frontend* fe, u16 *snr)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+ gp8psk_fe_update_status(st);
+ /* snr is reported in dBu*256 */
+ *snr = st->snr;
+ return 0;
+}
+
+static int gp8psk_fe_read_signal_strength(struct dvb_frontend* fe, u16 *strength)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+ gp8psk_fe_update_status(st);
+ /* snr is reported in dBu*256 */
+ /* snr / 38.4 ~= 100% strength */
+ /* snr * 17 returns 100% strength as 65535 */
+ if (st->snr > 0xf00)
+ *strength = 0xffff;
+ else
+ *strength = (st->snr << 4) + st->snr; /* snr*17 */
+ return 0;
+}
+
+static int gp8psk_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
+{
+ tune->min_delay_ms = 800;
+ return 0;
+}
+
+static int gp8psk_fe_set_frontend(struct dvb_frontend *fe)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ u8 cmd[10];
+ u32 freq = c->frequency * 1000;
+
+ dprintk("%s()\n", __func__);
+
+ cmd[4] = freq & 0xff;
+ cmd[5] = (freq >> 8) & 0xff;
+ cmd[6] = (freq >> 16) & 0xff;
+ cmd[7] = (freq >> 24) & 0xff;
+
+ /* backwards compatibility: DVB-S + 8-PSK were used for Turbo-FEC */
+ if (c->delivery_system == SYS_DVBS && c->modulation == PSK_8)
+ c->delivery_system = SYS_TURBO;
+
+ switch (c->delivery_system) {
+ case SYS_DVBS:
+ if (c->modulation != QPSK) {
+ dprintk("%s: unsupported modulation selected (%d)\n",
+ __func__, c->modulation);
+ return -EOPNOTSUPP;
+ }
+ c->fec_inner = FEC_AUTO;
+ break;
+ case SYS_DVBS2: /* kept for backwards compatibility */
+ dprintk("%s: DVB-S2 delivery system selected\n", __func__);
+ break;
+ case SYS_TURBO:
+ dprintk("%s: Turbo-FEC delivery system selected\n", __func__);
+ break;
+
+ default:
+ dprintk("%s: unsupported delivery system selected (%d)\n",
+ __func__, c->delivery_system);
+ return -EOPNOTSUPP;
+ }
+
+ cmd[0] = c->symbol_rate & 0xff;
+ cmd[1] = (c->symbol_rate >> 8) & 0xff;
+ cmd[2] = (c->symbol_rate >> 16) & 0xff;
+ cmd[3] = (c->symbol_rate >> 24) & 0xff;
+ switch (c->modulation) {
+ case QPSK:
+ if (st->is_rev1)
+ if (gp8psk_tuned_to_DCII(fe))
+ st->ops->reload(st->priv);
+ switch (c->fec_inner) {
+ case FEC_1_2:
+ cmd[9] = 0; break;
+ case FEC_2_3:
+ cmd[9] = 1; break;
+ case FEC_3_4:
+ cmd[9] = 2; break;
+ case FEC_5_6:
+ cmd[9] = 3; break;
+ case FEC_7_8:
+ cmd[9] = 4; break;
+ case FEC_AUTO:
+ cmd[9] = 5; break;
+ default:
+ cmd[9] = 5; break;
+ }
+ if (c->delivery_system == SYS_TURBO)
+ cmd[8] = ADV_MOD_TURBO_QPSK;
+ else
+ cmd[8] = ADV_MOD_DVB_QPSK;
+ break;
+ case PSK_8: /* PSK_8 is for compatibility with DN */
+ cmd[8] = ADV_MOD_TURBO_8PSK;
+ switch (c->fec_inner) {
+ case FEC_2_3:
+ cmd[9] = 0; break;
+ case FEC_3_4:
+ cmd[9] = 1; break;
+ case FEC_3_5:
+ cmd[9] = 2; break;
+ case FEC_5_6:
+ cmd[9] = 3; break;
+ case FEC_8_9:
+ cmd[9] = 4; break;
+ default:
+ cmd[9] = 0; break;
+ }
+ break;
+ case QAM_16: /* QAM_16 is for compatibility with DN */
+ cmd[8] = ADV_MOD_TURBO_16QAM;
+ cmd[9] = 0;
+ break;
+ default: /* Unknown modulation */
+ dprintk("%s: unsupported modulation selected (%d)\n",
+ __func__, c->modulation);
+ return -EOPNOTSUPP;
+ }
+
+ if (st->is_rev1)
+ gp8psk_set_tuner_mode(fe, 0);
+ st->ops->out(st->priv, TUNE_8PSK, 0, 0, cmd, 10);
+
+ st->lock = 0;
+ st->next_status_check = jiffies;
+ st->status_check_interval = 200;
+
+ return 0;
+}
+
+static int gp8psk_fe_send_diseqc_msg (struct dvb_frontend* fe,
+ struct dvb_diseqc_master_cmd *m)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+
+ dprintk("%s\n", __func__);
+
+ if (st->ops->out(st->priv, SEND_DISEQC_COMMAND, m->msg[0], 0,
+ m->msg, m->msg_len)) {
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int gp8psk_fe_send_diseqc_burst(struct dvb_frontend *fe,
+ enum fe_sec_mini_cmd burst)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+ u8 cmd;
+
+ dprintk("%s\n", __func__);
+
+ /* These commands are certainly wrong */
+ cmd = (burst == SEC_MINI_A) ? 0x00 : 0x01;
+
+ if (st->ops->out(st->priv, SEND_DISEQC_COMMAND, cmd, 0,
+ &cmd, 0)) {
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int gp8psk_fe_set_tone(struct dvb_frontend *fe,
+ enum fe_sec_tone_mode tone)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+
+ if (st->ops->out(st->priv, SET_22KHZ_TONE,
+ (tone == SEC_TONE_ON), 0, NULL, 0)) {
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int gp8psk_fe_set_voltage(struct dvb_frontend *fe,
+ enum fe_sec_voltage voltage)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+
+ if (st->ops->out(st->priv, SET_LNB_VOLTAGE,
+ voltage == SEC_VOLTAGE_18, 0, NULL, 0)) {
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int gp8psk_fe_enable_high_lnb_voltage(struct dvb_frontend* fe, long onoff)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+
+ return st->ops->out(st->priv, USE_EXTRA_VOLT, onoff, 0, NULL, 0);
+}
+
+static int gp8psk_fe_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long sw_cmd)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+ u8 cmd = sw_cmd & 0x7f;
+
+ if (st->ops->out(st->priv, SET_DN_SWITCH, cmd, 0, NULL, 0))
+ return -EINVAL;
+
+ if (st->ops->out(st->priv, SET_LNB_VOLTAGE, !!(sw_cmd & 0x80),
+ 0, NULL, 0))
+ return -EINVAL;
+
+ return 0;
+}
+
+static void gp8psk_fe_release(struct dvb_frontend* fe)
+{
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+
+ kfree(st);
+}
+
+static struct dvb_frontend_ops gp8psk_fe_ops;
+
+struct dvb_frontend *gp8psk_fe_attach(const struct gp8psk_fe_ops *ops,
+ void *priv, bool is_rev1)
+{
+ struct gp8psk_fe_state *st;
+
+ if (!ops || !ops->in || !ops->out || !ops->reload) {
+ pr_err("Error! gp8psk-fe ops not defined.\n");
+ return NULL;
+ }
+
+ st = kzalloc(sizeof(struct gp8psk_fe_state), GFP_KERNEL);
+ if (!st)
+ return NULL;
+
+ memcpy(&st->fe.ops, &gp8psk_fe_ops, sizeof(struct dvb_frontend_ops));
+ st->fe.demodulator_priv = st;
+ st->ops = ops;
+ st->priv = priv;
+ st->is_rev1 = is_rev1;
+
+ pr_info("Frontend %sattached\n", is_rev1 ? "revision 1 " : "");
+
+ return &st->fe;
+}
+EXPORT_SYMBOL_GPL(gp8psk_fe_attach);
+
+static struct dvb_frontend_ops gp8psk_fe_ops = {
+ .delsys = { SYS_DVBS },
+ .info = {
+ .name = "Genpix DVB-S",
+ .frequency_min = 800000,
+ .frequency_max = 2250000,
+ .frequency_stepsize = 100,
+ .symbol_rate_min = 1000000,
+ .symbol_rate_max = 45000000,
+ .symbol_rate_tolerance = 500, /* ppm */
+ .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_QAM_16 is for compatibility
+ * (Myth incorrectly detects Turbo-QPSK as plain QAM-16)
+ */
+ FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_TURBO_FEC
+ },
+
+ .release = gp8psk_fe_release,
+
+ .init = NULL,
+ .sleep = NULL,
+
+ .set_frontend = gp8psk_fe_set_frontend,
+
+ .get_tune_settings = gp8psk_fe_get_tune_settings,
+
+ .read_status = gp8psk_fe_read_status,
+ .read_ber = gp8psk_fe_read_ber,
+ .read_signal_strength = gp8psk_fe_read_signal_strength,
+ .read_snr = gp8psk_fe_read_snr,
+ .read_ucblocks = gp8psk_fe_read_unc_blocks,
+
+ .diseqc_send_master_cmd = gp8psk_fe_send_diseqc_msg,
+ .diseqc_send_burst = gp8psk_fe_send_diseqc_burst,
+ .set_tone = gp8psk_fe_set_tone,
+ .set_voltage = gp8psk_fe_set_voltage,
+ .dishnetwork_send_legacy_command = gp8psk_fe_send_legacy_dish_cmd,
+ .enable_high_lnb_voltage = gp8psk_fe_enable_high_lnb_voltage
+};
diff --git a/drivers/media/dvb-frontends/gp8psk-fe.h b/drivers/media/dvb-frontends/gp8psk-fe.h
new file mode 100644
index 000000000000..6c7944b1ecd6
--- /dev/null
+++ b/drivers/media/dvb-frontends/gp8psk-fe.h
@@ -0,0 +1,82 @@
+/*
+ * gp8psk_fe driver
+ *
+ * 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, 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.
+ */
+
+#ifndef GP8PSK_FE_H
+#define GP8PSK_FE_H
+
+#include <linux/types.h>
+
+/* gp8psk commands */
+
+#define GET_8PSK_CONFIG 0x80 /* in */
+#define SET_8PSK_CONFIG 0x81
+#define I2C_WRITE 0x83
+#define I2C_READ 0x84
+#define ARM_TRANSFER 0x85
+#define TUNE_8PSK 0x86
+#define GET_SIGNAL_STRENGTH 0x87 /* in */
+#define LOAD_BCM4500 0x88
+#define BOOT_8PSK 0x89 /* in */
+#define START_INTERSIL 0x8A /* in */
+#define SET_LNB_VOLTAGE 0x8B
+#define SET_22KHZ_TONE 0x8C
+#define SEND_DISEQC_COMMAND 0x8D
+#define SET_DVB_MODE 0x8E
+#define SET_DN_SWITCH 0x8F
+#define GET_SIGNAL_LOCK 0x90 /* in */
+#define GET_FW_VERS 0x92
+#define GET_SERIAL_NUMBER 0x93 /* in */
+#define USE_EXTRA_VOLT 0x94
+#define GET_FPGA_VERS 0x95
+#define CW3K_INIT 0x9d
+
+/* PSK_configuration bits */
+#define bm8pskStarted 0x01
+#define bm8pskFW_Loaded 0x02
+#define bmIntersilOn 0x04
+#define bmDVBmode 0x08
+#define bm22kHz 0x10
+#define bmSEL18V 0x20
+#define bmDCtuned 0x40
+#define bmArmed 0x80
+
+/* Satellite modulation modes */
+#define ADV_MOD_DVB_QPSK 0 /* DVB-S QPSK */
+#define ADV_MOD_TURBO_QPSK 1 /* Turbo QPSK */
+#define ADV_MOD_TURBO_8PSK 2 /* Turbo 8PSK (also used for Trellis 8PSK) */
+#define ADV_MOD_TURBO_16QAM 3 /* Turbo 16QAM (also used for Trellis 8PSK) */
+
+#define ADV_MOD_DCII_C_QPSK 4 /* Digicipher II Combo */
+#define ADV_MOD_DCII_I_QPSK 5 /* Digicipher II I-stream */
+#define ADV_MOD_DCII_Q_QPSK 6 /* Digicipher II Q-stream */
+#define ADV_MOD_DCII_C_OQPSK 7 /* Digicipher II offset QPSK */
+#define ADV_MOD_DSS_QPSK 8 /* DSS (DIRECTV) QPSK */
+#define ADV_MOD_DVB_BPSK 9 /* DVB-S BPSK */
+
+/* firmware revision id's */
+#define GP8PSK_FW_REV1 0x020604
+#define GP8PSK_FW_REV2 0x020704
+#define GP8PSK_FW_VERS(_fw_vers) \
+ ((_fw_vers)[2]<<0x10 | (_fw_vers)[1]<<0x08 | (_fw_vers)[0])
+
+struct gp8psk_fe_ops {
+ int (*in)(void *priv, u8 req, u16 value, u16 index, u8 *b, int blen);
+ int (*out)(void *priv, u8 req, u16 value, u16 index, u8 *b, int blen);
+ int (*reload)(void *priv);
+};
+
+struct dvb_frontend *gp8psk_fe_attach(const struct gp8psk_fe_ops *ops,
+ void *priv, bool is_rev1);
+
+#endif