diff options
Diffstat (limited to 'drivers/media/pci/ddbridge')
20 files changed, 7108 insertions, 0 deletions
diff --git a/drivers/media/pci/ddbridge/Kconfig b/drivers/media/pci/ddbridge/Kconfig new file mode 100644 index 000000000..169efd558 --- /dev/null +++ b/drivers/media/pci/ddbridge/Kconfig @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: GPL-2.0-only +config DVB_DDBRIDGE + tristate "Digital Devices bridge support" + depends on DVB_CORE && PCI && I2C + select DVB_LNBP21 if MEDIA_SUBDRV_AUTOSELECT + select DVB_STV6110x if MEDIA_SUBDRV_AUTOSELECT + select DVB_STV090x if MEDIA_SUBDRV_AUTOSELECT + select DVB_DRXK if MEDIA_SUBDRV_AUTOSELECT + select DVB_TDA18271C2DD if MEDIA_SUBDRV_AUTOSELECT + select DVB_STV0367 if MEDIA_SUBDRV_AUTOSELECT + select DVB_CXD2841ER if MEDIA_SUBDRV_AUTOSELECT + select DVB_STV0910 if MEDIA_SUBDRV_AUTOSELECT + select DVB_STV6111 if MEDIA_SUBDRV_AUTOSELECT + select DVB_LNBH25 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_TDA18212 if MEDIA_SUBDRV_AUTOSELECT + select DVB_MXL5XX if MEDIA_SUBDRV_AUTOSELECT + select DVB_CXD2099 if MEDIA_SUBDRV_AUTOSELECT + help + Support for cards with the Digital Devices PCI express bridge: + - Octopus PCIe Bridge + - Octopus mini PCIe Bridge + - Octopus LE + - DuoFlex S2 Octopus + - DuoFlex CT Octopus + - cineS2(v6) + - CineCTv6 and DuoFlex CT (STV0367-based) + - CineCTv7 and DuoFlex CT2/C2T2/C2T2I (Sony CXD28xx-based) + - MaxA8 series + - CineS2 V7/V7A and DuoFlex S2 V4 (ST STV0910-based) + - Max S4/8 + + Say Y if you own such a card and want to use it. + +config DVB_DDBRIDGE_MSIENABLE + bool "Enable Message Signaled Interrupts (MSI) per default (EXPERIMENTAL)" + depends on DVB_DDBRIDGE + depends on PCI_MSI + help + Use PCI MSI (Message Signaled Interrupts) per default. Enabling this + might lead to I2C errors originating from the bridge in conjunction + with certain SATA controllers, requiring a reload of the ddbridge + module. MSI can still be disabled by passing msi=0 as option, as + this will just change the msi option default value. + + If you're unsure, concerned about stability and don't want to pass + module options in case of troubles, say N. diff --git a/drivers/media/pci/ddbridge/Makefile b/drivers/media/pci/ddbridge/Makefile new file mode 100644 index 000000000..5e7eab811 --- /dev/null +++ b/drivers/media/pci/ddbridge/Makefile @@ -0,0 +1,13 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the ddbridge device driver +# + +ddbridge-objs := ddbridge-main.o ddbridge-core.o ddbridge-ci.o \ + ddbridge-hw.o ddbridge-i2c.o ddbridge-max.o ddbridge-mci.o \ + ddbridge-sx8.o + +obj-$(CONFIG_DVB_DDBRIDGE) += ddbridge.o ddbridge-dummy-fe.o + +ccflags-y += -I $(srctree)/drivers/media/dvb-frontends/ +ccflags-y += -I $(srctree)/drivers/media/tuners/ diff --git a/drivers/media/pci/ddbridge/ddbridge-ci.c b/drivers/media/pci/ddbridge/ddbridge-ci.c new file mode 100644 index 000000000..ee20813c3 --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-ci.c @@ -0,0 +1,377 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * ddbridge-ci.c: Digital Devices bridge CI (DuoFlex, CI Bridge) support + * + * Copyright (C) 2010-2017 Digital Devices GmbH + * Marcus Metzler <mocm@metzlerbros.de> + * Ralph Metzler <rjkm@metzlerbros.de> + */ + +#include "ddbridge.h" +#include "ddbridge-regs.h" +#include "ddbridge-ci.h" +#include "ddbridge-io.h" +#include "ddbridge-i2c.h" + +#include "cxd2099.h" + +/* Octopus CI internal CI interface */ + +static int wait_ci_ready(struct ddb_ci *ci) +{ + u32 count = 10; + + ndelay(500); + do { + if (ddbreadl(ci->port->dev, + CI_CONTROL(ci->nr)) & CI_READY) + break; + usleep_range(1, 2); + if ((--count) == 0) + return -1; + } while (1); + return 0; +} + +static int read_attribute_mem(struct dvb_ca_en50221 *ca, + int slot, int address) +{ + struct ddb_ci *ci = ca->data; + u32 val, off = (address >> 1) & (CI_BUFFER_SIZE - 1); + + if (address > CI_BUFFER_SIZE) + return -1; + ddbwritel(ci->port->dev, CI_READ_CMD | (1 << 16) | address, + CI_DO_READ_ATTRIBUTES(ci->nr)); + wait_ci_ready(ci); + val = 0xff & ddbreadl(ci->port->dev, CI_BUFFER(ci->nr) + off); + return val; +} + +static int write_attribute_mem(struct dvb_ca_en50221 *ca, int slot, + int address, u8 value) +{ + struct ddb_ci *ci = ca->data; + + ddbwritel(ci->port->dev, CI_WRITE_CMD | (value << 16) | address, + CI_DO_ATTRIBUTE_RW(ci->nr)); + wait_ci_ready(ci); + return 0; +} + +static int read_cam_control(struct dvb_ca_en50221 *ca, + int slot, u8 address) +{ + u32 count = 100; + struct ddb_ci *ci = ca->data; + u32 res; + + ddbwritel(ci->port->dev, CI_READ_CMD | address, + CI_DO_IO_RW(ci->nr)); + ndelay(500); + do { + res = ddbreadl(ci->port->dev, CI_READDATA(ci->nr)); + if (res & CI_READY) + break; + usleep_range(1, 2); + if ((--count) == 0) + return -1; + } while (1); + return 0xff & res; +} + +static int write_cam_control(struct dvb_ca_en50221 *ca, int slot, + u8 address, u8 value) +{ + struct ddb_ci *ci = ca->data; + + ddbwritel(ci->port->dev, CI_WRITE_CMD | (value << 16) | address, + CI_DO_IO_RW(ci->nr)); + wait_ci_ready(ci); + return 0; +} + +static int slot_reset(struct dvb_ca_en50221 *ca, int slot) +{ + struct ddb_ci *ci = ca->data; + + ddbwritel(ci->port->dev, CI_POWER_ON, + CI_CONTROL(ci->nr)); + msleep(100); + ddbwritel(ci->port->dev, CI_POWER_ON | CI_RESET_CAM, + CI_CONTROL(ci->nr)); + ddbwritel(ci->port->dev, CI_ENABLE | CI_POWER_ON | CI_RESET_CAM, + CI_CONTROL(ci->nr)); + usleep_range(20, 25); + ddbwritel(ci->port->dev, CI_ENABLE | CI_POWER_ON, + CI_CONTROL(ci->nr)); + return 0; +} + +static int slot_shutdown(struct dvb_ca_en50221 *ca, int slot) +{ + struct ddb_ci *ci = ca->data; + + ddbwritel(ci->port->dev, 0, CI_CONTROL(ci->nr)); + msleep(300); + return 0; +} + +static int slot_ts_enable(struct dvb_ca_en50221 *ca, int slot) +{ + struct ddb_ci *ci = ca->data; + u32 val = ddbreadl(ci->port->dev, CI_CONTROL(ci->nr)); + + ddbwritel(ci->port->dev, val | CI_BYPASS_DISABLE, + CI_CONTROL(ci->nr)); + return 0; +} + +static int poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open) +{ + struct ddb_ci *ci = ca->data; + u32 val = ddbreadl(ci->port->dev, CI_CONTROL(ci->nr)); + int stat = 0; + + if (val & CI_CAM_DETECT) + stat |= DVB_CA_EN50221_POLL_CAM_PRESENT; + if (val & CI_CAM_READY) + stat |= DVB_CA_EN50221_POLL_CAM_READY; + return stat; +} + +static struct dvb_ca_en50221 en_templ = { + .read_attribute_mem = read_attribute_mem, + .write_attribute_mem = write_attribute_mem, + .read_cam_control = read_cam_control, + .write_cam_control = write_cam_control, + .slot_reset = slot_reset, + .slot_shutdown = slot_shutdown, + .slot_ts_enable = slot_ts_enable, + .poll_slot_status = poll_slot_status, +}; + +static void ci_attach(struct ddb_port *port) +{ + struct ddb_ci *ci; + + ci = kzalloc(sizeof(*ci), GFP_KERNEL); + if (!ci) + return; + memcpy(&ci->en, &en_templ, sizeof(en_templ)); + ci->en.data = ci; + port->en = &ci->en; + port->en_freedata = 1; + ci->port = port; + ci->nr = port->nr - 2; +} + +/* DuoFlex Dual CI support */ + +static int write_creg(struct ddb_ci *ci, u8 data, u8 mask) +{ + struct i2c_adapter *i2c = &ci->port->i2c->adap; + u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13; + + ci->port->creg = (ci->port->creg & ~mask) | data; + return i2c_write_reg(i2c, adr, 0x02, ci->port->creg); +} + +static int read_attribute_mem_xo2(struct dvb_ca_en50221 *ca, + int slot, int address) +{ + struct ddb_ci *ci = ca->data; + struct i2c_adapter *i2c = &ci->port->i2c->adap; + u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13; + int res; + u8 val; + + res = i2c_read_reg16(i2c, adr, 0x8000 | address, &val); + return res ? res : val; +} + +static int write_attribute_mem_xo2(struct dvb_ca_en50221 *ca, int slot, + int address, u8 value) +{ + struct ddb_ci *ci = ca->data; + struct i2c_adapter *i2c = &ci->port->i2c->adap; + u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13; + + return i2c_write_reg16(i2c, adr, 0x8000 | address, value); +} + +static int read_cam_control_xo2(struct dvb_ca_en50221 *ca, + int slot, u8 address) +{ + struct ddb_ci *ci = ca->data; + struct i2c_adapter *i2c = &ci->port->i2c->adap; + u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13; + u8 val; + int res; + + res = i2c_read_reg(i2c, adr, 0x20 | (address & 3), &val); + return res ? res : val; +} + +static int write_cam_control_xo2(struct dvb_ca_en50221 *ca, int slot, + u8 address, u8 value) +{ + struct ddb_ci *ci = ca->data; + struct i2c_adapter *i2c = &ci->port->i2c->adap; + u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13; + + return i2c_write_reg(i2c, adr, 0x20 | (address & 3), value); +} + +static int slot_reset_xo2(struct dvb_ca_en50221 *ca, int slot) +{ + struct ddb_ci *ci = ca->data; + + dev_dbg(ci->port->dev->dev, "%s\n", __func__); + write_creg(ci, 0x01, 0x01); + write_creg(ci, 0x04, 0x04); + msleep(20); + write_creg(ci, 0x02, 0x02); + write_creg(ci, 0x00, 0x04); + write_creg(ci, 0x18, 0x18); + return 0; +} + +static int slot_shutdown_xo2(struct dvb_ca_en50221 *ca, int slot) +{ + struct ddb_ci *ci = ca->data; + + dev_dbg(ci->port->dev->dev, "%s\n", __func__); + write_creg(ci, 0x10, 0xff); + write_creg(ci, 0x08, 0x08); + return 0; +} + +static int slot_ts_enable_xo2(struct dvb_ca_en50221 *ca, int slot) +{ + struct ddb_ci *ci = ca->data; + + dev_dbg(ci->port->dev->dev, "%s\n", __func__); + write_creg(ci, 0x00, 0x10); + return 0; +} + +static int poll_slot_status_xo2(struct dvb_ca_en50221 *ca, int slot, int open) +{ + struct ddb_ci *ci = ca->data; + struct i2c_adapter *i2c = &ci->port->i2c->adap; + u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13; + u8 val = 0; + int stat = 0; + + i2c_read_reg(i2c, adr, 0x01, &val); + + if (val & 2) + stat |= DVB_CA_EN50221_POLL_CAM_PRESENT; + if (val & 1) + stat |= DVB_CA_EN50221_POLL_CAM_READY; + return stat; +} + +static struct dvb_ca_en50221 en_xo2_templ = { + .read_attribute_mem = read_attribute_mem_xo2, + .write_attribute_mem = write_attribute_mem_xo2, + .read_cam_control = read_cam_control_xo2, + .write_cam_control = write_cam_control_xo2, + .slot_reset = slot_reset_xo2, + .slot_shutdown = slot_shutdown_xo2, + .slot_ts_enable = slot_ts_enable_xo2, + .poll_slot_status = poll_slot_status_xo2, +}; + +static void ci_xo2_attach(struct ddb_port *port) +{ + struct ddb_ci *ci; + + ci = kzalloc(sizeof(*ci), GFP_KERNEL); + if (!ci) + return; + memcpy(&ci->en, &en_xo2_templ, sizeof(en_xo2_templ)); + ci->en.data = ci; + port->en = &ci->en; + port->en_freedata = 1; + ci->port = port; + ci->nr = port->nr - 2; + ci->port->creg = 0; + write_creg(ci, 0x10, 0xff); + write_creg(ci, 0x08, 0x08); +} + +static const struct cxd2099_cfg cxd_cfgtmpl = { + .bitrate = 72000, + .polarity = 1, + .clock_mode = 1, + .max_i2c = 512, +}; + +static int ci_cxd2099_attach(struct ddb_port *port, u32 bitrate) +{ + struct cxd2099_cfg cxd_cfg = cxd_cfgtmpl; + struct i2c_client *client; + + cxd_cfg.bitrate = bitrate; + cxd_cfg.en = &port->en; + + client = dvb_module_probe("cxd2099", NULL, &port->i2c->adap, + 0x40, &cxd_cfg); + if (!client) + goto err; + + port->dvb[0].i2c_client[0] = client; + port->en_freedata = 0; + return 0; + +err: + dev_err(port->dev->dev, "CXD2099AR attach failed\n"); + return -ENODEV; +} + +int ddb_ci_attach(struct ddb_port *port, u32 bitrate) +{ + int ret; + + switch (port->type) { + case DDB_CI_EXTERNAL_SONY: + ret = ci_cxd2099_attach(port, bitrate); + if (ret) + return -ENODEV; + break; + case DDB_CI_EXTERNAL_XO2: + case DDB_CI_EXTERNAL_XO2_B: + ci_xo2_attach(port); + break; + case DDB_CI_INTERNAL: + ci_attach(port); + break; + default: + return -ENODEV; + } + + if (!port->en) + return -ENODEV; + dvb_ca_en50221_init(port->dvb[0].adap, port->en, 0, 1); + return 0; +} + +void ddb_ci_detach(struct ddb_port *port) +{ + if (port->dvb[0].dev) + dvb_unregister_device(port->dvb[0].dev); + if (port->en) { + dvb_ca_en50221_release(port->en); + + dvb_module_release(port->dvb[0].i2c_client[0]); + port->dvb[0].i2c_client[0] = NULL; + + /* free alloc'ed memory if needed */ + if (port->en_freedata) + kfree(port->en->data); + + port->en = NULL; + } +} diff --git a/drivers/media/pci/ddbridge/ddbridge-ci.h b/drivers/media/pci/ddbridge/ddbridge-ci.h new file mode 100644 index 000000000..41cd97e52 --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-ci.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * ddbridge-ci.h: Digital Devices bridge CI (DuoFlex, CI Bridge) support + * + * Copyright (C) 2010-2017 Digital Devices GmbH + * Marcus Metzler <mocm@metzlerbros.de> + * Ralph Metzler <rjkm@metzlerbros.de> + */ + +#ifndef __DDBRIDGE_CI_H__ +#define __DDBRIDGE_CI_H__ + +#include "ddbridge.h" + +/******************************************************************************/ + +int ddb_ci_attach(struct ddb_port *port, u32 bitrate); +void ddb_ci_detach(struct ddb_port *port); + +#endif /* __DDBRIDGE_CI_H__ */ diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c new file mode 100644 index 000000000..fe833f396 --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-core.c @@ -0,0 +1,3439 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * ddbridge-core.c: Digital Devices bridge core functions + * + * Copyright (C) 2010-2017 Digital Devices GmbH + * Marcus Metzler <mocm@metzlerbros.de> + * Ralph Metzler <rjkm@metzlerbros.de> + */ + +#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-i2c.h" +#include "ddbridge-regs.h" +#include "ddbridge-max.h" +#include "ddbridge-ci.h" +#include "ddbridge-io.h" + +#include "tda18271c2dd.h" +#include "stv6110x.h" +#include "stv090x.h" +#include "lnbh24.h" +#include "drxk.h" +#include "stv0367.h" +#include "stv0367_priv.h" +#include "cxd2841er.h" +#include "tda18212.h" +#include "stv0910.h" +#include "stv6111.h" +#include "lnbh25.h" +#include "cxd2099.h" +#include "ddbridge-dummy-fe.h" + +/****************************************************************************/ + +#define DDB_MAX_ADAPTER 64 + +/****************************************************************************/ + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +static int adapter_alloc; +module_param(adapter_alloc, int, 0444); +MODULE_PARM_DESC(adapter_alloc, + "0-one adapter per io, 1-one per tab with io, 2-one per tab, 3-one for all"); + +static int ci_bitrate = 70000; +module_param(ci_bitrate, int, 0444); +MODULE_PARM_DESC(ci_bitrate, " Bitrate in KHz for output to CI."); + +static int ts_loop = -1; +module_param(ts_loop, int, 0444); +MODULE_PARM_DESC(ts_loop, "TS in/out test loop on port ts_loop"); + +static int xo2_speed = 2; +module_param(xo2_speed, int, 0444); +MODULE_PARM_DESC(xo2_speed, "default transfer speed for xo2 based duoflex, 0=55,1=75,2=90,3=104 MBit/s, default=2, use attribute to change for individual cards"); + +#ifdef __arm__ +static int alt_dma = 1; +#else +static int alt_dma; +#endif +module_param(alt_dma, int, 0444); +MODULE_PARM_DESC(alt_dma, "use alternative DMA buffer handling"); + +static int no_init; +module_param(no_init, int, 0444); +MODULE_PARM_DESC(no_init, "do not initialize most devices"); + +static int stv0910_single; +module_param(stv0910_single, int, 0444); +MODULE_PARM_DESC(stv0910_single, "use stv0910 cards as single demods"); + +static int dma_buf_num = 8; +module_param(dma_buf_num, int, 0444); +MODULE_PARM_DESC(dma_buf_num, "Number of DMA buffers, possible values: 8-32"); + +static int dma_buf_size = 21; +module_param(dma_buf_size, int, 0444); +MODULE_PARM_DESC(dma_buf_size, + "DMA buffer size as multiple of 128*47, possible values: 1-43"); + +static int dummy_tuner; +module_param(dummy_tuner, int, 0444); +MODULE_PARM_DESC(dummy_tuner, + "attach dummy tuner to port 0 on Octopus V3 or Octopus Mini cards"); + +/****************************************************************************/ + +static DEFINE_MUTEX(redirect_lock); + +static struct workqueue_struct *ddb_wq; + +static struct ddb *ddbs[DDB_MAX_ADAPTER]; + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +struct ddb_irq *ddb_irq_set(struct ddb *dev, u32 link, u32 nr, + void (*handler)(void *), void *data) +{ + struct ddb_irq *irq = &dev->link[link].irq[nr]; + + irq->handler = handler; + irq->data = data; + return irq; +} + +static void ddb_set_dma_table(struct ddb_io *io) +{ + struct ddb *dev = io->port->dev; + struct ddb_dma *dma = io->dma; + u32 i; + u64 mem; + + if (!dma) + return; + for (i = 0; i < dma->num; i++) { + mem = dma->pbuf[i]; + ddbwritel(dev, mem & 0xffffffff, dma->bufregs + i * 8); + ddbwritel(dev, mem >> 32, dma->bufregs + i * 8 + 4); + } + dma->bufval = ((dma->div & 0x0f) << 16) | + ((dma->num & 0x1f) << 11) | + ((dma->size >> 7) & 0x7ff); +} + +static void ddb_set_dma_tables(struct ddb *dev) +{ + u32 i; + + for (i = 0; i < DDB_MAX_PORT; i++) { + if (dev->port[i].input[0]) + ddb_set_dma_table(dev->port[i].input[0]); + if (dev->port[i].input[1]) + ddb_set_dma_table(dev->port[i].input[1]); + if (dev->port[i].output) + ddb_set_dma_table(dev->port[i].output); + } +} + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +static void ddb_redirect_dma(struct ddb *dev, + struct ddb_dma *sdma, + struct ddb_dma *ddma) +{ + u32 i, base; + u64 mem; + + sdma->bufval = ddma->bufval; + base = sdma->bufregs; + for (i = 0; i < ddma->num; i++) { + mem = ddma->pbuf[i]; + ddbwritel(dev, mem & 0xffffffff, base + i * 8); + ddbwritel(dev, mem >> 32, base + i * 8 + 4); + } +} + +static int ddb_unredirect(struct ddb_port *port) +{ + struct ddb_input *oredi, *iredi = NULL; + struct ddb_output *iredo = NULL; + + /* dev_info(port->dev->dev, + * "unredirect %d.%d\n", port->dev->nr, port->nr); + */ + mutex_lock(&redirect_lock); + if (port->output->dma->running) { + mutex_unlock(&redirect_lock); + return -EBUSY; + } + oredi = port->output->redi; + if (!oredi) + goto done; + if (port->input[0]) { + iredi = port->input[0]->redi; + iredo = port->input[0]->redo; + + if (iredo) { + iredo->port->output->redi = oredi; + if (iredo->port->input[0]) { + iredo->port->input[0]->redi = iredi; + ddb_redirect_dma(oredi->port->dev, + oredi->dma, iredo->dma); + } + port->input[0]->redo = NULL; + ddb_set_dma_table(port->input[0]); + } + oredi->redi = iredi; + port->input[0]->redi = NULL; + } + oredi->redo = NULL; + port->output->redi = NULL; + + ddb_set_dma_table(oredi); +done: + mutex_unlock(&redirect_lock); + return 0; +} + +static int ddb_redirect(u32 i, u32 p) +{ + struct ddb *idev = ddbs[(i >> 4) & 0x3f]; + struct ddb_input *input, *input2; + struct ddb *pdev = ddbs[(p >> 4) & 0x3f]; + struct ddb_port *port; + + if (!idev || !pdev) + return -EINVAL; + if (!idev->has_dma || !pdev->has_dma) + return -EINVAL; + + port = &pdev->port[p & 0x0f]; + if (!port->output) + return -EINVAL; + if (ddb_unredirect(port)) + return -EBUSY; + + if (i == 8) + return 0; + + input = &idev->input[i & 7]; + if (!input) + return -EINVAL; + + mutex_lock(&redirect_lock); + if (port->output->dma->running || input->dma->running) { + mutex_unlock(&redirect_lock); + return -EBUSY; + } + input2 = port->input[0]; + if (input2) { + if (input->redi) { + input2->redi = input->redi; + input->redi = NULL; + } else { + input2->redi = input; + } + } + input->redo = port->output; + port->output->redi = input; + + ddb_redirect_dma(input->port->dev, input->dma, port->output->dma); + mutex_unlock(&redirect_lock); + return 0; +} + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +static void dma_free(struct pci_dev *pdev, struct ddb_dma *dma, int dir) +{ + int i; + + if (!dma) + return; + for (i = 0; i < dma->num; i++) { + if (dma->vbuf[i]) { + if (alt_dma) { + dma_unmap_single(&pdev->dev, dma->pbuf[i], + dma->size, + dir ? DMA_TO_DEVICE : + DMA_FROM_DEVICE); + kfree(dma->vbuf[i]); + dma->vbuf[i] = NULL; + } else { + dma_free_coherent(&pdev->dev, dma->size, + dma->vbuf[i], dma->pbuf[i]); + } + + dma->vbuf[i] = NULL; + } + } +} + +static int dma_alloc(struct pci_dev *pdev, struct ddb_dma *dma, int dir) +{ + int i; + + if (!dma) + return 0; + for (i = 0; i < dma->num; i++) { + if (alt_dma) { + dma->vbuf[i] = kmalloc(dma->size, __GFP_RETRY_MAYFAIL); + if (!dma->vbuf[i]) + return -ENOMEM; + dma->pbuf[i] = dma_map_single(&pdev->dev, + dma->vbuf[i], + dma->size, + dir ? DMA_TO_DEVICE : + DMA_FROM_DEVICE); + if (dma_mapping_error(&pdev->dev, dma->pbuf[i])) { + kfree(dma->vbuf[i]); + dma->vbuf[i] = NULL; + return -ENOMEM; + } + } else { + dma->vbuf[i] = dma_alloc_coherent(&pdev->dev, + dma->size, + &dma->pbuf[i], + GFP_KERNEL); + if (!dma->vbuf[i]) + return -ENOMEM; + } + } + return 0; +} + +int ddb_buffers_alloc(struct ddb *dev) +{ + int i; + struct ddb_port *port; + + for (i = 0; i < dev->port_num; i++) { + port = &dev->port[i]; + switch (port->class) { + case DDB_PORT_TUNER: + if (port->input[0]->dma) + if (dma_alloc(dev->pdev, port->input[0]->dma, 0) + < 0) + return -1; + if (port->input[1]->dma) + if (dma_alloc(dev->pdev, port->input[1]->dma, 0) + < 0) + return -1; + break; + case DDB_PORT_CI: + case DDB_PORT_LOOP: + if (port->input[0]->dma) + if (dma_alloc(dev->pdev, port->input[0]->dma, 0) + < 0) + return -1; + if (port->output->dma) + if (dma_alloc(dev->pdev, port->output->dma, 1) + < 0) + return -1; + break; + default: + break; + } + } + ddb_set_dma_tables(dev); + return 0; +} + +void ddb_buffers_free(struct ddb *dev) +{ + int i; + struct ddb_port *port; + + for (i = 0; i < dev->port_num; i++) { + port = &dev->port[i]; + + if (port->input[0] && port->input[0]->dma) + dma_free(dev->pdev, port->input[0]->dma, 0); + if (port->input[1] && port->input[1]->dma) + dma_free(dev->pdev, port->input[1]->dma, 0); + if (port->output && port->output->dma) + dma_free(dev->pdev, port->output->dma, 1); + } +} + +static void calc_con(struct ddb_output *output, u32 *con, u32 *con2, u32 flags) +{ + struct ddb *dev = output->port->dev; + u32 bitrate = output->port->obr, max_bitrate = 72000; + u32 gap = 4, nco = 0; + + *con = 0x1c; + if (output->port->gap != 0xffffffff) { + flags |= 1; + gap = output->port->gap; + max_bitrate = 0; + } + if (dev->link[0].info->type == DDB_OCTOPUS_CI && output->port->nr > 1) { + *con = 0x10c; + if (dev->link[0].ids.regmapid >= 0x10003 && !(flags & 1)) { + if (!(flags & 2)) { + /* NCO */ + max_bitrate = 0; + gap = 0; + if (bitrate != 72000) { + if (bitrate >= 96000) { + *con |= 0x800; + } else { + *con |= 0x1000; + nco = (bitrate * 8192 + 71999) + / 72000; + } + } + } else { + /* Divider and gap */ + *con |= 0x1810; + if (bitrate <= 64000) { + max_bitrate = 64000; + nco = 8; + } else if (bitrate <= 72000) { + max_bitrate = 72000; + nco = 7; + } else { + max_bitrate = 96000; + nco = 5; + } + } + } else { + if (bitrate > 72000) { + *con |= 0x810; /* 96 MBit/s and gap */ + max_bitrate = 96000; + } + *con |= 0x10; /* enable gap */ + } + } + if (max_bitrate > 0) { + if (bitrate > max_bitrate) + bitrate = max_bitrate; + if (bitrate < 31000) + bitrate = 31000; + gap = ((max_bitrate - bitrate) * 94) / bitrate; + if (gap < 2) + *con &= ~0x10; /* Disable gap */ + else + gap -= 2; + if (gap > 127) + gap = 127; + } + + *con2 = (nco << 16) | gap; +} + +static void ddb_output_start(struct ddb_output *output) +{ + struct ddb *dev = output->port->dev; + u32 con = 0x11c, con2 = 0; + + spin_lock_irq(&output->dma->lock); + output->dma->cbuf = 0; + output->dma->coff = 0; + output->dma->stat = 0; + ddbwritel(dev, 0, DMA_BUFFER_CONTROL(output->dma)); + + if (output->port->input[0]->port->class == DDB_PORT_LOOP) + con = (1UL << 13) | 0x14; + else + calc_con(output, &con, &con2, 0); + + ddbwritel(dev, 0, TS_CONTROL(output)); + ddbwritel(dev, 2, TS_CONTROL(output)); + ddbwritel(dev, 0, TS_CONTROL(output)); + ddbwritel(dev, con, TS_CONTROL(output)); + ddbwritel(dev, con2, TS_CONTROL2(output)); + + ddbwritel(dev, output->dma->bufval, + DMA_BUFFER_SIZE(output->dma)); + ddbwritel(dev, 0, DMA_BUFFER_ACK(output->dma)); + ddbwritel(dev, 1, DMA_BASE_READ); + ddbwritel(dev, 7, DMA_BUFFER_CONTROL(output->dma)); + + ddbwritel(dev, con | 1, TS_CONTROL(output)); + + output->dma->running = 1; + spin_unlock_irq(&output->dma->lock); +} + +static void ddb_output_stop(struct ddb_output *output) +{ + struct ddb *dev = output->port->dev; + + spin_lock_irq(&output->dma->lock); + + ddbwritel(dev, 0, TS_CONTROL(output)); + + ddbwritel(dev, 0, DMA_BUFFER_CONTROL(output->dma)); + output->dma->running = 0; + spin_unlock_irq(&output->dma->lock); +} + +static void ddb_input_stop(struct ddb_input *input) +{ + struct ddb *dev = input->port->dev; + u32 tag = DDB_LINK_TAG(input->port->lnr); + + spin_lock_irq(&input->dma->lock); + + ddbwritel(dev, 0, tag | TS_CONTROL(input)); + + ddbwritel(dev, 0, DMA_BUFFER_CONTROL(input->dma)); + input->dma->running = 0; + spin_unlock_irq(&input->dma->lock); +} + +static void ddb_input_start(struct ddb_input *input) +{ + struct ddb *dev = input->port->dev; + + spin_lock_irq(&input->dma->lock); + input->dma->cbuf = 0; + input->dma->coff = 0; + input->dma->stat = 0; + ddbwritel(dev, 0, DMA_BUFFER_CONTROL(input->dma)); + + ddbwritel(dev, 0, TS_CONTROL(input)); + ddbwritel(dev, 2, TS_CONTROL(input)); + ddbwritel(dev, 0, TS_CONTROL(input)); + + ddbwritel(dev, input->dma->bufval, + DMA_BUFFER_SIZE(input->dma)); + ddbwritel(dev, 0, DMA_BUFFER_ACK(input->dma)); + ddbwritel(dev, 1, DMA_BASE_WRITE); + ddbwritel(dev, 3, DMA_BUFFER_CONTROL(input->dma)); + + ddbwritel(dev, 0x09, TS_CONTROL(input)); + + if (input->port->type == DDB_TUNER_DUMMY) + ddbwritel(dev, 0x000fff01, TS_CONTROL2(input)); + + input->dma->running = 1; + spin_unlock_irq(&input->dma->lock); +} + +static void ddb_input_start_all(struct ddb_input *input) +{ + struct ddb_input *i = input; + struct ddb_output *o; + + mutex_lock(&redirect_lock); + while (i && (o = i->redo)) { + ddb_output_start(o); + i = o->port->input[0]; + if (i) + ddb_input_start(i); + } + ddb_input_start(input); + mutex_unlock(&redirect_lock); +} + +static void ddb_input_stop_all(struct ddb_input *input) +{ + struct ddb_input *i = input; + struct ddb_output *o; + + mutex_lock(&redirect_lock); + ddb_input_stop(input); + while (i && (o = i->redo)) { + ddb_output_stop(o); + i = o->port->input[0]; + if (i) + ddb_input_stop(i); + } + mutex_unlock(&redirect_lock); +} + +static u32 ddb_output_free(struct ddb_output *output) +{ + u32 idx, off, stat = output->dma->stat; + s32 diff; + + idx = (stat >> 11) & 0x1f; + off = (stat & 0x7ff) << 7; + + if (output->dma->cbuf != idx) { + if ((((output->dma->cbuf + 1) % output->dma->num) == idx) && + (output->dma->size - output->dma->coff <= (2 * 188))) + return 0; + return 188; + } + diff = off - output->dma->coff; + if (diff <= 0 || diff > (2 * 188)) + return 188; + return 0; +} + +static ssize_t ddb_output_write(struct ddb_output *output, + const __user u8 *buf, size_t count) +{ + struct ddb *dev = output->port->dev; + u32 idx, off, stat = output->dma->stat; + u32 left = count, len; + + idx = (stat >> 11) & 0x1f; + off = (stat & 0x7ff) << 7; + + while (left) { + len = output->dma->size - output->dma->coff; + if ((((output->dma->cbuf + 1) % output->dma->num) == idx) && + off == 0) { + if (len <= 188) + break; + len -= 188; + } + if (output->dma->cbuf == idx) { + if (off > output->dma->coff) { + len = off - output->dma->coff; + len -= (len % 188); + if (len <= 188) + break; + len -= 188; + } + } + if (len > left) + len = left; + if (copy_from_user(output->dma->vbuf[output->dma->cbuf] + + output->dma->coff, + buf, len)) + return -EIO; + if (alt_dma) + dma_sync_single_for_device( + dev->dev, + output->dma->pbuf[output->dma->cbuf], + output->dma->size, DMA_TO_DEVICE); + left -= len; + buf += len; + output->dma->coff += len; + if (output->dma->coff == output->dma->size) { + output->dma->coff = 0; + output->dma->cbuf = ((output->dma->cbuf + 1) % + output->dma->num); + } + ddbwritel(dev, + (output->dma->cbuf << 11) | + (output->dma->coff >> 7), + DMA_BUFFER_ACK(output->dma)); + } + return count - left; +} + +static u32 ddb_input_avail(struct ddb_input *input) +{ + struct ddb *dev = input->port->dev; + u32 idx, off, stat = input->dma->stat; + u32 ctrl = ddbreadl(dev, DMA_BUFFER_CONTROL(input->dma)); + + idx = (stat >> 11) & 0x1f; + off = (stat & 0x7ff) << 7; + + if (ctrl & 4) { + dev_err(dev->dev, "IA %d %d %08x\n", idx, off, ctrl); + ddbwritel(dev, stat, DMA_BUFFER_ACK(input->dma)); + return 0; + } + if (input->dma->cbuf != idx) + return 188; + return 0; +} + +static ssize_t ddb_input_read(struct ddb_input *input, + __user u8 *buf, size_t count) +{ + struct ddb *dev = input->port->dev; + u32 left = count; + u32 idx, free, stat = input->dma->stat; + int ret; + + idx = (stat >> 11) & 0x1f; + + while (left) { + if (input->dma->cbuf == idx) + return count - left; + free = input->dma->size - input->dma->coff; + if (free > left) + free = left; + if (alt_dma) + dma_sync_single_for_cpu( + dev->dev, + input->dma->pbuf[input->dma->cbuf], + input->dma->size, DMA_FROM_DEVICE); + ret = copy_to_user(buf, input->dma->vbuf[input->dma->cbuf] + + input->dma->coff, free); + if (ret) + return -EFAULT; + input->dma->coff += free; + if (input->dma->coff == input->dma->size) { + input->dma->coff = 0; + input->dma->cbuf = (input->dma->cbuf + 1) % + input->dma->num; + } + left -= free; + buf += free; + ddbwritel(dev, + (input->dma->cbuf << 11) | (input->dma->coff >> 7), + DMA_BUFFER_ACK(input->dma)); + } + return count; +} + +/****************************************************************************/ +/****************************************************************************/ + +static ssize_t ts_write(struct file *file, const __user char *buf, + size_t count, loff_t *ppos) +{ + struct dvb_device *dvbdev = file->private_data; + struct ddb_output *output = dvbdev->priv; + struct ddb *dev = output->port->dev; + size_t left = count; + int stat; + + if (!dev->has_dma) + return -EINVAL; + while (left) { + if (ddb_output_free(output) < 188) { + if (file->f_flags & O_NONBLOCK) + break; + if (wait_event_interruptible( + output->dma->wq, + ddb_output_free(output) >= 188) < 0) + break; + } + stat = ddb_output_write(output, buf, left); + if (stat < 0) + return stat; + buf += stat; + left -= stat; + } + return (left == count) ? -EAGAIN : (count - left); +} + +static ssize_t ts_read(struct file *file, __user char *buf, + size_t count, loff_t *ppos) +{ + struct dvb_device *dvbdev = file->private_data; + struct ddb_output *output = dvbdev->priv; + struct ddb_input *input = output->port->input[0]; + struct ddb *dev = output->port->dev; + size_t left = count; + int stat; + + if (!dev->has_dma) + return -EINVAL; + while (left) { + if (ddb_input_avail(input) < 188) { + if (file->f_flags & O_NONBLOCK) + break; + if (wait_event_interruptible( + input->dma->wq, + ddb_input_avail(input) >= 188) < 0) + break; + } + stat = ddb_input_read(input, buf, left); + if (stat < 0) + return stat; + left -= stat; + buf += stat; + } + return (count && (left == count)) ? -EAGAIN : (count - left); +} + +static __poll_t ts_poll(struct file *file, poll_table *wait) +{ + struct dvb_device *dvbdev = file->private_data; + struct ddb_output *output = dvbdev->priv; + struct ddb_input *input = output->port->input[0]; + + __poll_t mask = 0; + + poll_wait(file, &input->dma->wq, wait); + poll_wait(file, &output->dma->wq, wait); + if (ddb_input_avail(input) >= 188) + mask |= EPOLLIN | EPOLLRDNORM; + if (ddb_output_free(output) >= 188) + mask |= EPOLLOUT | EPOLLWRNORM; + return mask; +} + +static int ts_release(struct inode *inode, struct file *file) +{ + struct dvb_device *dvbdev = file->private_data; + struct ddb_output *output = NULL; + struct ddb_input *input = NULL; + + if (dvbdev) { + output = dvbdev->priv; + input = output->port->input[0]; + } + + if ((file->f_flags & O_ACCMODE) == O_RDONLY) { + if (!input) + return -EINVAL; + ddb_input_stop(input); + } else if ((file->f_flags & O_ACCMODE) == O_WRONLY) { + if (!output) + return -EINVAL; + ddb_output_stop(output); + } + return dvb_generic_release(inode, file); +} + +static int ts_open(struct inode *inode, struct file *file) +{ + int err; + struct dvb_device *dvbdev = file->private_data; + struct ddb_output *output = NULL; + struct ddb_input *input = NULL; + + if (dvbdev) { + output = dvbdev->priv; + input = output->port->input[0]; + } + + if ((file->f_flags & O_ACCMODE) == O_RDONLY) { + if (!input) + return -EINVAL; + if (input->redo || input->redi) + return -EBUSY; + } else if ((file->f_flags & O_ACCMODE) == O_WRONLY) { + if (!output) + return -EINVAL; + } else { + return -EINVAL; + } + + err = dvb_generic_open(inode, file); + if (err < 0) + return err; + if ((file->f_flags & O_ACCMODE) == O_RDONLY) + ddb_input_start(input); + else if ((file->f_flags & O_ACCMODE) == O_WRONLY) + ddb_output_start(output); + return err; +} + +static const struct file_operations ci_fops = { + .owner = THIS_MODULE, + .read = ts_read, + .write = ts_write, + .open = ts_open, + .release = ts_release, + .poll = ts_poll, + .mmap = NULL, +}; + +static struct dvb_device dvbdev_ci = { + .priv = NULL, + .readers = 1, + .writers = 1, + .users = 2, + .fops = &ci_fops, +}; + +/****************************************************************************/ +/****************************************************************************/ + +static int locked_gate_ctrl(struct dvb_frontend *fe, int enable) +{ + struct ddb_input *input = fe->sec_priv; + struct ddb_port *port = input->port; + struct ddb_dvb *dvb = &port->dvb[input->nr & 1]; + int status; + + if (enable) { + mutex_lock(&port->i2c_gate_lock); + status = dvb->i2c_gate_ctrl(fe, 1); + } else { + status = dvb->i2c_gate_ctrl(fe, 0); + mutex_unlock(&port->i2c_gate_lock); + } + return status; +} + +static int demod_attach_drxk(struct ddb_input *input) +{ + struct i2c_adapter *i2c = &input->port->i2c->adap; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct device *dev = input->port->dev->dev; + struct drxk_config config; + + memset(&config, 0, sizeof(config)); + config.adr = 0x29 + (input->nr & 1); + config.microcode_name = "drxk_a3.mc"; + + dvb->fe = dvb_attach(drxk_attach, &config, i2c); + if (!dvb->fe) { + dev_err(dev, "No DRXK found!\n"); + return -ENODEV; + } + dvb->fe->sec_priv = input; + dvb->i2c_gate_ctrl = dvb->fe->ops.i2c_gate_ctrl; + dvb->fe->ops.i2c_gate_ctrl = locked_gate_ctrl; + return 0; +} + +static int tuner_attach_tda18271(struct ddb_input *input) +{ + struct i2c_adapter *i2c = &input->port->i2c->adap; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct device *dev = input->port->dev->dev; + struct dvb_frontend *fe; + + if (dvb->fe->ops.i2c_gate_ctrl) + dvb->fe->ops.i2c_gate_ctrl(dvb->fe, 1); + fe = dvb_attach(tda18271c2dd_attach, dvb->fe, i2c, 0x60); + if (dvb->fe->ops.i2c_gate_ctrl) + dvb->fe->ops.i2c_gate_ctrl(dvb->fe, 0); + if (!fe) { + dev_err(dev, "No TDA18271 found!\n"); + return -ENODEV; + } + return 0; +} + +/******************************************************************************/ +/******************************************************************************/ +/******************************************************************************/ + +static struct stv0367_config ddb_stv0367_config[] = { + { + .demod_address = 0x1f, + .xtal = 27000000, + .if_khz = 0, + .if_iq_mode = FE_TER_NORMAL_IF_TUNER, + .ts_mode = STV0367_SERIAL_PUNCT_CLOCK, + .clk_pol = STV0367_CLOCKPOLARITY_DEFAULT, + }, { + .demod_address = 0x1e, + .xtal = 27000000, + .if_khz = 0, + .if_iq_mode = FE_TER_NORMAL_IF_TUNER, + .ts_mode = STV0367_SERIAL_PUNCT_CLOCK, + .clk_pol = STV0367_CLOCKPOLARITY_DEFAULT, + }, +}; + +static int demod_attach_stv0367(struct ddb_input *input) +{ + struct i2c_adapter *i2c = &input->port->i2c->adap; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct device *dev = input->port->dev->dev; + + /* attach frontend */ + dvb->fe = dvb_attach(stv0367ddb_attach, + &ddb_stv0367_config[(input->nr & 1)], i2c); + + if (!dvb->fe) { + dev_err(dev, "No stv0367 found!\n"); + return -ENODEV; + } + dvb->fe->sec_priv = input; + dvb->i2c_gate_ctrl = dvb->fe->ops.i2c_gate_ctrl; + dvb->fe->ops.i2c_gate_ctrl = locked_gate_ctrl; + return 0; +} + +static int tuner_tda18212_ping(struct ddb_input *input, unsigned short adr) +{ + struct i2c_adapter *adapter = &input->port->i2c->adap; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct device *dev = input->port->dev->dev; + u8 tda_id[2]; + u8 subaddr = 0x00; + + dev_dbg(dev, "stv0367-tda18212 tuner ping\n"); + if (dvb->fe->ops.i2c_gate_ctrl) + dvb->fe->ops.i2c_gate_ctrl(dvb->fe, 1); + + if (i2c_read_regs(adapter, adr, subaddr, tda_id, sizeof(tda_id)) < 0) + dev_dbg(dev, "tda18212 ping 1 fail\n"); + if (i2c_read_regs(adapter, adr, subaddr, tda_id, sizeof(tda_id)) < 0) + dev_warn(dev, "tda18212 ping failed, expect problems\n"); + + if (dvb->fe->ops.i2c_gate_ctrl) + dvb->fe->ops.i2c_gate_ctrl(dvb->fe, 0); + + return 0; +} + +static int demod_attach_cxd28xx(struct ddb_input *input, int par, int osc24) +{ + struct i2c_adapter *i2c = &input->port->i2c->adap; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct device *dev = input->port->dev->dev; + struct cxd2841er_config cfg; + + /* the cxd2841er driver expects 8bit/shifted I2C addresses */ + cfg.i2c_addr = ((input->nr & 1) ? 0x6d : 0x6c) << 1; + + cfg.xtal = osc24 ? SONY_XTAL_24000 : SONY_XTAL_20500; + cfg.flags = CXD2841ER_AUTO_IFHZ | CXD2841ER_EARLY_TUNE | + CXD2841ER_NO_WAIT_LOCK | CXD2841ER_NO_AGCNEG | + CXD2841ER_TSBITS; + + if (!par) + cfg.flags |= CXD2841ER_TS_SERIAL; + + /* attach frontend */ + dvb->fe = dvb_attach(cxd2841er_attach_t_c, &cfg, i2c); + + if (!dvb->fe) { + dev_err(dev, "No cxd2837/38/43/54 found!\n"); + return -ENODEV; + } + dvb->fe->sec_priv = input; + dvb->i2c_gate_ctrl = dvb->fe->ops.i2c_gate_ctrl; + dvb->fe->ops.i2c_gate_ctrl = locked_gate_ctrl; + return 0; +} + +static int tuner_attach_tda18212(struct ddb_input *input, u32 porttype) +{ + struct i2c_adapter *adapter = &input->port->i2c->adap; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct device *dev = input->port->dev->dev; + struct i2c_client *client; + struct tda18212_config config = { + .fe = dvb->fe, + .if_dvbt_6 = 3550, + .if_dvbt_7 = 3700, + .if_dvbt_8 = 4150, + .if_dvbt2_6 = 3250, + .if_dvbt2_7 = 4000, + .if_dvbt2_8 = 4000, + .if_dvbc = 5000, + }; + u8 addr = (input->nr & 1) ? 0x63 : 0x60; + + /* due to a hardware quirk with the I2C gate on the stv0367+tda18212 + * combo, the tda18212 must be probed by reading it's id _twice_ when + * cold started, or it very likely will fail. + */ + if (porttype == DDB_TUNER_DVBCT_ST) + tuner_tda18212_ping(input, addr); + + /* perform tuner probe/init/attach */ + client = dvb_module_probe("tda18212", NULL, adapter, addr, &config); + if (!client) + goto err; + + dvb->i2c_client[0] = client; + return 0; +err: + dev_err(dev, "TDA18212 tuner not found. Device is not fully operational.\n"); + return -ENODEV; +} + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +static struct stv090x_config stv0900 = { + .device = STV0900, + .demod_mode = STV090x_DUAL, + .clk_mode = STV090x_CLK_EXT, + + .xtal = 27000000, + .address = 0x69, + + .ts1_mode = STV090x_TSMODE_SERIAL_PUNCTURED, + .ts2_mode = STV090x_TSMODE_SERIAL_PUNCTURED, + + .ts1_tei = 1, + .ts2_tei = 1, + + .repeater_level = STV090x_RPTLEVEL_16, + + .adc1_range = STV090x_ADC_1Vpp, + .adc2_range = STV090x_ADC_1Vpp, + + .diseqc_envelope_mode = true, +}; + +static struct stv090x_config stv0900_aa = { + .device = STV0900, + .demod_mode = STV090x_DUAL, + .clk_mode = STV090x_CLK_EXT, + + .xtal = 27000000, + .address = 0x68, + + .ts1_mode = STV090x_TSMODE_SERIAL_PUNCTURED, + .ts2_mode = STV090x_TSMODE_SERIAL_PUNCTURED, + + .ts1_tei = 1, + .ts2_tei = 1, + + .repeater_level = STV090x_RPTLEVEL_16, + + .adc1_range = STV090x_ADC_1Vpp, + .adc2_range = STV090x_ADC_1Vpp, + + .diseqc_envelope_mode = true, +}; + +static struct stv6110x_config stv6110a = { + .addr = 0x60, + .refclk = 27000000, + .clk_div = 1, +}; + +static struct stv6110x_config stv6110b = { + .addr = 0x63, + .refclk = 27000000, + .clk_div = 1, +}; + +static int demod_attach_stv0900(struct ddb_input *input, int type) +{ + struct i2c_adapter *i2c = &input->port->i2c->adap; + struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct device *dev = input->port->dev->dev; + + dvb->fe = dvb_attach(stv090x_attach, feconf, i2c, + (input->nr & 1) ? STV090x_DEMODULATOR_1 + : STV090x_DEMODULATOR_0); + if (!dvb->fe) { + dev_err(dev, "No STV0900 found!\n"); + return -ENODEV; + } + if (!dvb_attach(lnbh24_attach, dvb->fe, i2c, 0, + 0, (input->nr & 1) ? + (0x09 - type) : (0x0b - type))) { + dev_err(dev, "No LNBH24 found!\n"); + dvb_frontend_detach(dvb->fe); + return -ENODEV; + } + return 0; +} + +static int tuner_attach_stv6110(struct ddb_input *input, int type) +{ + struct i2c_adapter *i2c = &input->port->i2c->adap; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct device *dev = input->port->dev->dev; + struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900; + struct stv6110x_config *tunerconf = (input->nr & 1) ? + &stv6110b : &stv6110a; + const struct stv6110x_devctl *ctl; + + ctl = dvb_attach(stv6110x_attach, dvb->fe, tunerconf, i2c); + if (!ctl) { + dev_err(dev, "No STV6110X found!\n"); + return -ENODEV; + } + dev_info(dev, "attach tuner input %d adr %02x\n", + input->nr, tunerconf->addr); + + feconf->tuner_init = ctl->tuner_init; + feconf->tuner_sleep = ctl->tuner_sleep; + feconf->tuner_set_mode = ctl->tuner_set_mode; + feconf->tuner_set_frequency = ctl->tuner_set_frequency; + feconf->tuner_get_frequency = ctl->tuner_get_frequency; + feconf->tuner_set_bandwidth = ctl->tuner_set_bandwidth; + feconf->tuner_get_bandwidth = ctl->tuner_get_bandwidth; + feconf->tuner_set_bbgain = ctl->tuner_set_bbgain; + feconf->tuner_get_bbgain = ctl->tuner_get_bbgain; + feconf->tuner_set_refclk = ctl->tuner_set_refclk; + feconf->tuner_get_status = ctl->tuner_get_status; + + return 0; +} + +static const struct stv0910_cfg stv0910_p = { + .adr = 0x68, + .parallel = 1, + .rptlvl = 4, + .clk = 30000000, + .tsspeed = 0x28, +}; + +static const struct lnbh25_config lnbh25_cfg = { + .i2c_address = 0x0c << 1, + .data2_config = LNBH25_TEN +}; + +static int has_lnbh25(struct i2c_adapter *i2c, u8 adr) +{ + u8 val; + + return i2c_read_reg(i2c, adr, 0, &val) ? 0 : 1; +} + +static int demod_attach_stv0910(struct ddb_input *input, int type, int tsfast) +{ + struct i2c_adapter *i2c = &input->port->i2c->adap; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct device *dev = input->port->dev->dev; + struct stv0910_cfg cfg = stv0910_p; + struct lnbh25_config lnbcfg = lnbh25_cfg; + + if (stv0910_single) + cfg.single = 1; + + if (type) + cfg.parallel = 2; + + if (tsfast) { + dev_info(dev, "Enabling stv0910 higher speed TS\n"); + cfg.tsspeed = 0x10; + } + + dvb->fe = dvb_attach(stv0910_attach, i2c, &cfg, (input->nr & 1)); + if (!dvb->fe) { + cfg.adr = 0x6c; + dvb->fe = dvb_attach(stv0910_attach, i2c, + &cfg, (input->nr & 1)); + } + if (!dvb->fe) { + dev_err(dev, "No STV0910 found!\n"); + return -ENODEV; + } + + /* attach lnbh25 - leftshift by one as the lnbh25 driver expects 8bit + * i2c addresses + */ + if (has_lnbh25(i2c, 0x0d)) + lnbcfg.i2c_address = (((input->nr & 1) ? 0x0d : 0x0c) << 1); + else + lnbcfg.i2c_address = (((input->nr & 1) ? 0x09 : 0x08) << 1); + + if (!dvb_attach(lnbh25_attach, dvb->fe, &lnbcfg, i2c)) { + dev_err(dev, "No LNBH25 found!\n"); + dvb_frontend_detach(dvb->fe); + return -ENODEV; + } + + return 0; +} + +static int tuner_attach_stv6111(struct ddb_input *input, int type) +{ + struct i2c_adapter *i2c = &input->port->i2c->adap; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct device *dev = input->port->dev->dev; + struct dvb_frontend *fe; + u8 adr = (type ? 0 : 4) + ((input->nr & 1) ? 0x63 : 0x60); + + fe = dvb_attach(stv6111_attach, dvb->fe, i2c, adr); + if (!fe) { + fe = dvb_attach(stv6111_attach, dvb->fe, i2c, adr & ~4); + if (!fe) { + dev_err(dev, "No STV6111 found at 0x%02x!\n", adr); + return -ENODEV; + } + } + return 0; +} + +static int demod_attach_dummy(struct ddb_input *input) +{ + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct device *dev = input->port->dev->dev; + + dvb->fe = dvb_attach(ddbridge_dummy_fe_qam_attach); + if (!dvb->fe) { + dev_err(dev, "QAM dummy attach failed!\n"); + return -ENODEV; + } + + return 0; +} + +static int start_feed(struct dvb_demux_feed *dvbdmxfeed) +{ + struct dvb_demux *dvbdmx = dvbdmxfeed->demux; + struct ddb_input *input = dvbdmx->priv; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + + if (!dvb->users) + ddb_input_start_all(input); + + return ++dvb->users; +} + +static int stop_feed(struct dvb_demux_feed *dvbdmxfeed) +{ + struct dvb_demux *dvbdmx = dvbdmxfeed->demux; + struct ddb_input *input = dvbdmx->priv; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + + if (--dvb->users) + return dvb->users; + + ddb_input_stop_all(input); + return 0; +} + +static void dvb_input_detach(struct ddb_input *input) +{ + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct dvb_demux *dvbdemux = &dvb->demux; + + switch (dvb->attached) { + case 0x31: + if (dvb->fe2) + dvb_unregister_frontend(dvb->fe2); + if (dvb->fe) + dvb_unregister_frontend(dvb->fe); + fallthrough; + case 0x30: + dvb_module_release(dvb->i2c_client[0]); + dvb->i2c_client[0] = NULL; + + if (dvb->fe2) + dvb_frontend_detach(dvb->fe2); + if (dvb->fe) + dvb_frontend_detach(dvb->fe); + dvb->fe = NULL; + dvb->fe2 = NULL; + fallthrough; + case 0x20: + dvb_net_release(&dvb->dvbnet); + fallthrough; + case 0x12: + dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, + &dvb->hw_frontend); + dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, + &dvb->mem_frontend); + fallthrough; + case 0x11: + dvb_dmxdev_release(&dvb->dmxdev); + fallthrough; + case 0x10: + dvb_dmx_release(&dvb->demux); + fallthrough; + case 0x01: + break; + } + dvb->attached = 0x00; +} + +static int dvb_register_adapters(struct ddb *dev) +{ + int i, ret = 0; + struct ddb_port *port; + struct dvb_adapter *adap; + + if (adapter_alloc == 3) { + port = &dev->port[0]; + adap = port->dvb[0].adap; + ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE, + port->dev->dev, + adapter_nr); + if (ret < 0) + return ret; + port->dvb[0].adap_registered = 1; + for (i = 0; i < dev->port_num; i++) { + port = &dev->port[i]; + port->dvb[0].adap = adap; + port->dvb[1].adap = adap; + } + return 0; + } + + for (i = 0; i < dev->port_num; i++) { + port = &dev->port[i]; + switch (port->class) { + case DDB_PORT_TUNER: + adap = port->dvb[0].adap; + ret = dvb_register_adapter(adap, "DDBridge", + THIS_MODULE, + port->dev->dev, + adapter_nr); + if (ret < 0) + return ret; + port->dvb[0].adap_registered = 1; + + if (adapter_alloc > 0) { + port->dvb[1].adap = port->dvb[0].adap; + break; + } + adap = port->dvb[1].adap; + ret = dvb_register_adapter(adap, "DDBridge", + THIS_MODULE, + port->dev->dev, + adapter_nr); + if (ret < 0) + return ret; + port->dvb[1].adap_registered = 1; + break; + + case DDB_PORT_CI: + case DDB_PORT_LOOP: + adap = port->dvb[0].adap; + ret = dvb_register_adapter(adap, "DDBridge", + THIS_MODULE, + port->dev->dev, + adapter_nr); + if (ret < 0) + return ret; + port->dvb[0].adap_registered = 1; + break; + default: + if (adapter_alloc < 2) + break; + adap = port->dvb[0].adap; + ret = dvb_register_adapter(adap, "DDBridge", + THIS_MODULE, + port->dev->dev, + adapter_nr); + if (ret < 0) + return ret; + port->dvb[0].adap_registered = 1; + break; + } + } + return ret; +} + +static void dvb_unregister_adapters(struct ddb *dev) +{ + int i; + struct ddb_port *port; + struct ddb_dvb *dvb; + + for (i = 0; i < dev->link[0].info->port_num; i++) { + port = &dev->port[i]; + + dvb = &port->dvb[0]; + if (dvb->adap_registered) + dvb_unregister_adapter(dvb->adap); + dvb->adap_registered = 0; + + dvb = &port->dvb[1]; + if (dvb->adap_registered) + dvb_unregister_adapter(dvb->adap); + dvb->adap_registered = 0; + } +} + +static int dvb_input_attach(struct ddb_input *input) +{ + int ret = 0; + struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; + struct ddb_port *port = input->port; + struct dvb_adapter *adap = dvb->adap; + struct dvb_demux *dvbdemux = &dvb->demux; + struct ddb_ids *devids = &input->port->dev->link[input->port->lnr].ids; + int par = 0, osc24 = 0, tsfast = 0; + + /* + * Determine if bridges with stv0910 demods can run with fast TS and + * thus support high bandwidth transponders. + * STV0910_PR and STV0910_P tuner types covers all relevant bridges, + * namely the CineS2 V7(A) and the Octopus CI S2 Pro/Advanced. All + * DuoFlex S2 V4(A) have type=DDB_TUNER_DVBS_STV0910 without any suffix + * and are limited by the serial link to the bridge, thus won't work + * in fast TS mode. + */ + if (port->nr == 0 && + (port->type == DDB_TUNER_DVBS_STV0910_PR || + port->type == DDB_TUNER_DVBS_STV0910_P)) { + /* fast TS on port 0 requires FPGA version >= 1.7 */ + if ((devids->hwid & 0x00ffffff) >= 0x00010007) + tsfast = 1; + } + + dvb->attached = 0x01; + + dvbdemux->priv = input; + dvbdemux->dmx.capabilities = DMX_TS_FILTERING | + DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING; + dvbdemux->start_feed = start_feed; + dvbdemux->stop_feed = stop_feed; + dvbdemux->filternum = 256; + dvbdemux->feednum = 256; + ret = dvb_dmx_init(dvbdemux); + if (ret < 0) + return ret; + dvb->attached = 0x10; + + dvb->dmxdev.filternum = 256; + dvb->dmxdev.demux = &dvbdemux->dmx; + ret = dvb_dmxdev_init(&dvb->dmxdev, adap); + if (ret < 0) + goto err_detach; + dvb->attached = 0x11; + + dvb->mem_frontend.source = DMX_MEMORY_FE; + dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->mem_frontend); + dvb->hw_frontend.source = DMX_FRONTEND_0; + dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->hw_frontend); + ret = dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, &dvb->hw_frontend); + if (ret < 0) + goto err_detach; + dvb->attached = 0x12; + + ret = dvb_net_init(adap, &dvb->dvbnet, dvb->dmxdev.demux); + if (ret < 0) + goto err_detach; + dvb->attached = 0x20; + + dvb->fe = NULL; + dvb->fe2 = NULL; + switch (port->type) { + case DDB_TUNER_MXL5XX: + if (ddb_fe_attach_mxl5xx(input) < 0) + goto err_detach; + break; + case DDB_TUNER_DVBS_ST: + if (demod_attach_stv0900(input, 0) < 0) + goto err_detach; + if (tuner_attach_stv6110(input, 0) < 0) + goto err_tuner; + break; + case DDB_TUNER_DVBS_ST_AA: + if (demod_attach_stv0900(input, 1) < 0) + goto err_detach; + if (tuner_attach_stv6110(input, 1) < 0) + goto err_tuner; + break; + case DDB_TUNER_DVBS_STV0910: + if (demod_attach_stv0910(input, 0, tsfast) < 0) + goto err_detach; + if (tuner_attach_stv6111(input, 0) < 0) + goto err_tuner; + break; + case DDB_TUNER_DVBS_STV0910_PR: + if (demod_attach_stv0910(input, 1, tsfast) < 0) + goto err_detach; + if (tuner_attach_stv6111(input, 1) < 0) + goto err_tuner; + break; + case DDB_TUNER_DVBS_STV0910_P: + if (demod_attach_stv0910(input, 0, tsfast) < 0) + goto err_detach; + if (tuner_attach_stv6111(input, 1) < 0) + goto err_tuner; + break; + case DDB_TUNER_DVBCT_TR: + if (demod_attach_drxk(input) < 0) + goto err_detach; + if (tuner_attach_tda18271(input) < 0) + goto err_tuner; + break; + case DDB_TUNER_DVBCT_ST: + if (demod_attach_stv0367(input) < 0) + goto err_detach; + if (tuner_attach_tda18212(input, port->type) < 0) + goto err_tuner; + break; + case DDB_TUNER_DVBC2T2I_SONY_P: + if (input->port->dev->link[input->port->lnr].info->ts_quirks & + TS_QUIRK_ALT_OSC) + osc24 = 0; + else + osc24 = 1; + fallthrough; + case DDB_TUNER_DVBCT2_SONY_P: + case DDB_TUNER_DVBC2T2_SONY_P: + case DDB_TUNER_ISDBT_SONY_P: + if (input->port->dev->link[input->port->lnr].info->ts_quirks + & TS_QUIRK_SERIAL) + par = 0; + else + par = 1; + if (demod_attach_cxd28xx(input, par, osc24) < 0) + goto err_detach; + if (tuner_attach_tda18212(input, port->type) < 0) + goto err_tuner; + break; + case DDB_TUNER_DVBC2T2I_SONY: + osc24 = 1; + fallthrough; + case DDB_TUNER_DVBCT2_SONY: + case DDB_TUNER_DVBC2T2_SONY: + case DDB_TUNER_ISDBT_SONY: + if (demod_attach_cxd28xx(input, 0, osc24) < 0) + goto err_detach; + if (tuner_attach_tda18212(input, port->type) < 0) + goto err_tuner; + break; + case DDB_TUNER_DUMMY: + if (demod_attach_dummy(input) < 0) + goto err_detach; + break; + case DDB_TUNER_MCI_SX8: + if (ddb_fe_attach_mci(input, port->type) < 0) + goto err_detach; + break; + default: + return 0; + } + dvb->attached = 0x30; + + if (dvb->fe) { + if (dvb_register_frontend(adap, dvb->fe) < 0) + goto err_detach; + + if (dvb->fe2) { + if (dvb_register_frontend(adap, dvb->fe2) < 0) { + dvb_unregister_frontend(dvb->fe); + goto err_detach; + } + dvb->fe2->tuner_priv = dvb->fe->tuner_priv; + memcpy(&dvb->fe2->ops.tuner_ops, + &dvb->fe->ops.tuner_ops, + sizeof(struct dvb_tuner_ops)); + } + } + + dvb->attached = 0x31; + return 0; + +err_tuner: + dev_err(port->dev->dev, "tuner attach failed!\n"); + + if (dvb->fe2) + dvb_frontend_detach(dvb->fe2); + if (dvb->fe) + dvb_frontend_detach(dvb->fe); +err_detach: + dvb_input_detach(input); + + /* return error from ret if set */ + if (ret < 0) + return ret; + + return -ENODEV; +} + +static int port_has_encti(struct ddb_port *port) +{ + struct device *dev = port->dev->dev; + u8 val; + int ret = i2c_read_reg(&port->i2c->adap, 0x20, 0, &val); + + if (!ret) + dev_info(dev, "[0x20]=0x%02x\n", val); + return ret ? 0 : 1; +} + +static int port_has_cxd(struct ddb_port *port, u8 *type) +{ + u8 val; + u8 probe[4] = { 0xe0, 0x00, 0x00, 0x00 }, data[4]; + struct i2c_msg msgs[2] = {{ .addr = 0x40, .flags = 0, + .buf = probe, .len = 4 }, + { .addr = 0x40, .flags = I2C_M_RD, + .buf = data, .len = 4 } }; + val = i2c_transfer(&port->i2c->adap, msgs, 2); + if (val != 2) + return 0; + + if (data[0] == 0x02 && data[1] == 0x2b && data[3] == 0x43) + *type = 2; + else + *type = 1; + return 1; +} + +static int port_has_xo2(struct ddb_port *port, u8 *type, u8 *id) +{ + u8 probe[1] = { 0x00 }, data[4]; + + if (i2c_io(&port->i2c->adap, 0x10, probe, 1, data, 4)) + return 0; + if (data[0] == 'D' && data[1] == 'F') { + *id = data[2]; + *type = 1; + return 1; + } + if (data[0] == 'C' && data[1] == 'I') { + *id = data[2]; + *type = 2; + return 1; + } + return 0; +} + +static int port_has_stv0900(struct ddb_port *port) +{ + u8 val; + + if (i2c_read_reg16(&port->i2c->adap, 0x69, 0xf100, &val) < 0) + return 0; + return 1; +} + +static int port_has_stv0900_aa(struct ddb_port *port, u8 *id) +{ + if (i2c_read_reg16(&port->i2c->adap, 0x68, 0xf100, id) < 0) + return 0; + return 1; +} + +static int port_has_drxks(struct ddb_port *port) +{ + u8 val; + + if (i2c_read(&port->i2c->adap, 0x29, &val) < 0) + return 0; + if (i2c_read(&port->i2c->adap, 0x2a, &val) < 0) + return 0; + return 1; +} + +static int port_has_stv0367(struct ddb_port *port) +{ + u8 val; + + if (i2c_read_reg16(&port->i2c->adap, 0x1e, 0xf000, &val) < 0) + return 0; + if (val != 0x60) + return 0; + if (i2c_read_reg16(&port->i2c->adap, 0x1f, 0xf000, &val) < 0) + return 0; + if (val != 0x60) + return 0; + return 1; +} + +static int init_xo2(struct ddb_port *port) +{ + struct i2c_adapter *i2c = &port->i2c->adap; + struct ddb *dev = port->dev; + u8 val, data[2]; + int res; + + res = i2c_read_regs(i2c, 0x10, 0x04, data, 2); + if (res < 0) + return res; + + if (data[0] != 0x01) { + dev_info(dev->dev, "Port %d: invalid XO2\n", port->nr); + return -1; + } + + i2c_read_reg(i2c, 0x10, 0x08, &val); + if (val != 0) { + i2c_write_reg(i2c, 0x10, 0x08, 0x00); + msleep(100); + } + /* Enable tuner power, disable pll, reset demods */ + i2c_write_reg(i2c, 0x10, 0x08, 0x04); + usleep_range(2000, 3000); + /* Release demod resets */ + i2c_write_reg(i2c, 0x10, 0x08, 0x07); + + /* speed: 0=55,1=75,2=90,3=104 MBit/s */ + i2c_write_reg(i2c, 0x10, 0x09, xo2_speed); + + if (dev->link[port->lnr].info->con_clock) { + dev_info(dev->dev, "Setting continuous clock for XO2\n"); + i2c_write_reg(i2c, 0x10, 0x0a, 0x03); + i2c_write_reg(i2c, 0x10, 0x0b, 0x03); + } else { + i2c_write_reg(i2c, 0x10, 0x0a, 0x01); + i2c_write_reg(i2c, 0x10, 0x0b, 0x01); + } + + usleep_range(2000, 3000); + /* Start XO2 PLL */ + i2c_write_reg(i2c, 0x10, 0x08, 0x87); + + return 0; +} + +static int init_xo2_ci(struct ddb_port *port) +{ + struct i2c_adapter *i2c = &port->i2c->adap; + struct ddb *dev = port->dev; + u8 val, data[2]; + int res; + + res = i2c_read_regs(i2c, 0x10, 0x04, data, 2); + if (res < 0) + return res; + + if (data[0] > 1) { + dev_info(dev->dev, "Port %d: invalid XO2 CI %02x\n", + port->nr, data[0]); + return -1; + } + dev_info(dev->dev, "Port %d: DuoFlex CI %u.%u\n", + port->nr, data[0], data[1]); + + i2c_read_reg(i2c, 0x10, 0x08, &val); + if (val != 0) { + i2c_write_reg(i2c, 0x10, 0x08, 0x00); + msleep(100); + } + /* Enable both CI */ + i2c_write_reg(i2c, 0x10, 0x08, 3); + usleep_range(2000, 3000); + + /* speed: 0=55,1=75,2=90,3=104 MBit/s */ + i2c_write_reg(i2c, 0x10, 0x09, 1); + + i2c_write_reg(i2c, 0x10, 0x08, 0x83); + usleep_range(2000, 3000); + + if (dev->link[port->lnr].info->con_clock) { + dev_info(dev->dev, "Setting continuous clock for DuoFlex CI\n"); + i2c_write_reg(i2c, 0x10, 0x0a, 0x03); + i2c_write_reg(i2c, 0x10, 0x0b, 0x03); + } else { + i2c_write_reg(i2c, 0x10, 0x0a, 0x01); + i2c_write_reg(i2c, 0x10, 0x0b, 0x01); + } + return 0; +} + +static int port_has_cxd28xx(struct ddb_port *port, u8 *id) +{ + struct i2c_adapter *i2c = &port->i2c->adap; + int status; + + status = i2c_write_reg(&port->i2c->adap, 0x6e, 0, 0); + if (status) + return 0; + status = i2c_read_reg(i2c, 0x6e, 0xfd, id); + if (status) + return 0; + return 1; +} + +static char *xo2names[] = { + "DUAL DVB-S2", "DUAL DVB-C/T/T2", + "DUAL DVB-ISDBT", "DUAL DVB-C/C2/T/T2", + "DUAL ATSC", "DUAL DVB-C/C2/T/T2,ISDB-T", + "", "" +}; + +static char *xo2types[] = { + "DVBS_ST", "DVBCT2_SONY", + "ISDBT_SONY", "DVBC2T2_SONY", + "ATSC_ST", "DVBC2T2I_SONY" +}; + +static void ddb_port_probe(struct ddb_port *port) +{ + struct ddb *dev = port->dev; + u32 l = port->lnr; + struct ddb_link *link = &dev->link[l]; + u8 id, type; + + port->name = "NO MODULE"; + port->type_name = "NONE"; + port->class = DDB_PORT_NONE; + + /* Handle missing ports and ports without I2C */ + + if (dummy_tuner && !port->nr && + link->ids.device == 0x0005) { + port->name = "DUMMY"; + port->class = DDB_PORT_TUNER; + port->type = DDB_TUNER_DUMMY; + port->type_name = "DUMMY"; + return; + } + + if (port->nr == ts_loop) { + port->name = "TS LOOP"; + port->class = DDB_PORT_LOOP; + return; + } + + if (port->nr == 1 && link->info->type == DDB_OCTOPUS_CI && + link->info->i2c_mask == 1) { + port->name = "NO TAB"; + port->class = DDB_PORT_NONE; + return; + } + + if (link->info->type == DDB_OCTOPUS_MAX) { + port->name = "DUAL DVB-S2 MAX"; + port->type_name = "MXL5XX"; + port->class = DDB_PORT_TUNER; + port->type = DDB_TUNER_MXL5XX; + if (port->i2c) + ddbwritel(dev, I2C_SPEED_400, + port->i2c->regs + I2C_TIMING); + return; + } + + if (link->info->type == DDB_OCTOPUS_MCI) { + if (port->nr >= link->info->mci_ports) + return; + port->name = "DUAL MCI"; + port->type_name = "MCI"; + port->class = DDB_PORT_TUNER; + port->type = DDB_TUNER_MCI + link->info->mci_type; + return; + } + + if (port->nr > 1 && link->info->type == DDB_OCTOPUS_CI) { + port->name = "CI internal"; + port->type_name = "INTERNAL"; + port->class = DDB_PORT_CI; + port->type = DDB_CI_INTERNAL; + } + + if (!port->i2c) + return; + + /* Probe ports with I2C */ + + if (port_has_cxd(port, &id)) { + if (id == 1) { + port->name = "CI"; + port->type_name = "CXD2099"; + port->class = DDB_PORT_CI; + port->type = DDB_CI_EXTERNAL_SONY; + ddbwritel(dev, I2C_SPEED_400, + port->i2c->regs + I2C_TIMING); + } else { + dev_info(dev->dev, "Port %d: Uninitialized DuoFlex\n", + port->nr); + return; + } + } else if (port_has_xo2(port, &type, &id)) { + ddbwritel(dev, I2C_SPEED_400, port->i2c->regs + I2C_TIMING); + /*dev_info(dev->dev, "XO2 ID %02x\n", id);*/ + if (type == 2) { + port->name = "DuoFlex CI"; + port->class = DDB_PORT_CI; + port->type = DDB_CI_EXTERNAL_XO2; + port->type_name = "CI_XO2"; + init_xo2_ci(port); + return; + } + id >>= 2; + if (id > 5) { + port->name = "unknown XO2 DuoFlex"; + port->type_name = "UNKNOWN"; + } else { + port->name = xo2names[id]; + port->class = DDB_PORT_TUNER; + port->type = DDB_TUNER_XO2 + id; + port->type_name = xo2types[id]; + init_xo2(port); + } + } else if (port_has_cxd28xx(port, &id)) { + switch (id) { + case 0xa4: + port->name = "DUAL DVB-C2T2 CXD2843"; + port->type = DDB_TUNER_DVBC2T2_SONY_P; + port->type_name = "DVBC2T2_SONY"; + break; + case 0xb1: + port->name = "DUAL DVB-CT2 CXD2837"; + port->type = DDB_TUNER_DVBCT2_SONY_P; + port->type_name = "DVBCT2_SONY"; + break; + case 0xb0: + port->name = "DUAL ISDB-T CXD2838"; + port->type = DDB_TUNER_ISDBT_SONY_P; + port->type_name = "ISDBT_SONY"; + break; + case 0xc1: + port->name = "DUAL DVB-C2T2 ISDB-T CXD2854"; + port->type = DDB_TUNER_DVBC2T2I_SONY_P; + port->type_name = "DVBC2T2I_ISDBT_SONY"; + break; + default: + return; + } + port->class = DDB_PORT_TUNER; + ddbwritel(dev, I2C_SPEED_400, port->i2c->regs + I2C_TIMING); + } else if (port_has_stv0900(port)) { + port->name = "DUAL DVB-S2"; + port->class = DDB_PORT_TUNER; + port->type = DDB_TUNER_DVBS_ST; + port->type_name = "DVBS_ST"; + ddbwritel(dev, I2C_SPEED_100, port->i2c->regs + I2C_TIMING); + } else if (port_has_stv0900_aa(port, &id)) { + port->name = "DUAL DVB-S2"; + port->class = DDB_PORT_TUNER; + if (id == 0x51) { + if (port->nr == 0 && + link->info->ts_quirks & TS_QUIRK_REVERSED) + port->type = DDB_TUNER_DVBS_STV0910_PR; + else + port->type = DDB_TUNER_DVBS_STV0910_P; + port->type_name = "DVBS_ST_0910"; + } else { + port->type = DDB_TUNER_DVBS_ST_AA; + port->type_name = "DVBS_ST_AA"; + } + ddbwritel(dev, I2C_SPEED_100, port->i2c->regs + I2C_TIMING); + } else if (port_has_drxks(port)) { + port->name = "DUAL DVB-C/T"; + port->class = DDB_PORT_TUNER; + port->type = DDB_TUNER_DVBCT_TR; + port->type_name = "DVBCT_TR"; + ddbwritel(dev, I2C_SPEED_400, port->i2c->regs + I2C_TIMING); + } else if (port_has_stv0367(port)) { + port->name = "DUAL DVB-C/T"; + port->class = DDB_PORT_TUNER; + port->type = DDB_TUNER_DVBCT_ST; + port->type_name = "DVBCT_ST"; + ddbwritel(dev, I2C_SPEED_100, port->i2c->regs + I2C_TIMING); + } else if (port_has_encti(port)) { + port->name = "ENCTI"; + port->class = DDB_PORT_LOOP; + } +} + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +static int ddb_port_attach(struct ddb_port *port) +{ + int ret = 0; + + switch (port->class) { + case DDB_PORT_TUNER: + ret = dvb_input_attach(port->input[0]); + if (ret < 0) + break; + ret = dvb_input_attach(port->input[1]); + if (ret < 0) { + dvb_input_detach(port->input[0]); + break; + } + port->input[0]->redi = port->input[0]; + port->input[1]->redi = port->input[1]; + break; + case DDB_PORT_CI: + ret = ddb_ci_attach(port, ci_bitrate); + if (ret < 0) + break; + fallthrough; + case DDB_PORT_LOOP: + ret = dvb_register_device(port->dvb[0].adap, + &port->dvb[0].dev, + &dvbdev_ci, (void *)port->output, + DVB_DEVICE_SEC, 0); + break; + default: + break; + } + if (ret < 0) + dev_err(port->dev->dev, "port_attach on port %d failed\n", + port->nr); + return ret; +} + +int ddb_ports_attach(struct ddb *dev) +{ + int i, numports, err_ports = 0, ret = 0; + struct ddb_port *port; + + if (dev->port_num) { + ret = dvb_register_adapters(dev); + if (ret < 0) { + dev_err(dev->dev, "Registering adapters failed. Check DVB_MAX_ADAPTERS in config.\n"); + return ret; + } + } + + numports = dev->port_num; + + for (i = 0; i < dev->port_num; i++) { + port = &dev->port[i]; + if (port->class != DDB_PORT_NONE) { + ret = ddb_port_attach(port); + if (ret) + err_ports++; + } else { + numports--; + } + } + + if (err_ports) { + if (err_ports == numports) { + dev_err(dev->dev, "All connected ports failed to initialise!\n"); + return -ENODEV; + } + + dev_warn(dev->dev, "%d of %d connected ports failed to initialise!\n", + err_ports, numports); + } + + return 0; +} + +void ddb_ports_detach(struct ddb *dev) +{ + int i; + struct ddb_port *port; + + for (i = 0; i < dev->port_num; i++) { + port = &dev->port[i]; + + switch (port->class) { + case DDB_PORT_TUNER: + dvb_input_detach(port->input[1]); + dvb_input_detach(port->input[0]); + break; + case DDB_PORT_CI: + case DDB_PORT_LOOP: + ddb_ci_detach(port); + break; + } + } + dvb_unregister_adapters(dev); +} + +/* Copy input DMA pointers to output DMA and ACK. */ + +static void input_write_output(struct ddb_input *input, + struct ddb_output *output) +{ + ddbwritel(output->port->dev, + input->dma->stat, DMA_BUFFER_ACK(output->dma)); + output->dma->cbuf = (input->dma->stat >> 11) & 0x1f; + output->dma->coff = (input->dma->stat & 0x7ff) << 7; +} + +static void output_ack_input(struct ddb_output *output, + struct ddb_input *input) +{ + ddbwritel(input->port->dev, + output->dma->stat, DMA_BUFFER_ACK(input->dma)); +} + +static void input_write_dvb(struct ddb_input *input, + struct ddb_input *input2) +{ + struct ddb_dvb *dvb = &input2->port->dvb[input2->nr & 1]; + struct ddb_dma *dma, *dma2; + struct ddb *dev = input->port->dev; + int ack = 1; + + dma = input->dma; + dma2 = input->dma; + /* + * if there also is an output connected, do not ACK. + * input_write_output will ACK. + */ + if (input->redo) { + dma2 = input->redo->dma; + ack = 0; + } + while (dma->cbuf != ((dma->stat >> 11) & 0x1f) || + (4 & dma->ctrl)) { + if (4 & dma->ctrl) { + /* dev_err(dev->dev, "Overflow dma %d\n", dma->nr); */ + ack = 1; + } + if (alt_dma) + dma_sync_single_for_cpu(dev->dev, dma2->pbuf[dma->cbuf], + dma2->size, DMA_FROM_DEVICE); + dvb_dmx_swfilter_packets(&dvb->demux, + dma2->vbuf[dma->cbuf], + dma2->size / 188); + dma->cbuf = (dma->cbuf + 1) % dma2->num; + if (ack) + ddbwritel(dev, (dma->cbuf << 11), + DMA_BUFFER_ACK(dma)); + dma->stat = safe_ddbreadl(dev, DMA_BUFFER_CURRENT(dma)); + dma->ctrl = safe_ddbreadl(dev, DMA_BUFFER_CONTROL(dma)); + } +} + +static void input_work(struct work_struct *work) +{ + struct ddb_dma *dma = container_of(work, struct ddb_dma, work); + struct ddb_input *input = (struct ddb_input *)dma->io; + struct ddb *dev = input->port->dev; + unsigned long flags; + + spin_lock_irqsave(&dma->lock, flags); + if (!dma->running) { + spin_unlock_irqrestore(&dma->lock, flags); + return; + } + dma->stat = ddbreadl(dev, DMA_BUFFER_CURRENT(dma)); + dma->ctrl = ddbreadl(dev, DMA_BUFFER_CONTROL(dma)); + + if (input->redi) + input_write_dvb(input, input->redi); + if (input->redo) + input_write_output(input, input->redo); + wake_up(&dma->wq); + spin_unlock_irqrestore(&dma->lock, flags); +} + +static void input_handler(void *data) +{ + struct ddb_input *input = (struct ddb_input *)data; + struct ddb_dma *dma = input->dma; + + queue_work(ddb_wq, &dma->work); +} + +static void output_work(struct work_struct *work) +{ + struct ddb_dma *dma = container_of(work, struct ddb_dma, work); + struct ddb_output *output = (struct ddb_output *)dma->io; + struct ddb *dev = output->port->dev; + unsigned long flags; + + spin_lock_irqsave(&dma->lock, flags); + if (!dma->running) + goto unlock_exit; + dma->stat = ddbreadl(dev, DMA_BUFFER_CURRENT(dma)); + dma->ctrl = ddbreadl(dev, DMA_BUFFER_CONTROL(dma)); + if (output->redi) + output_ack_input(output, output->redi); + wake_up(&dma->wq); +unlock_exit: + spin_unlock_irqrestore(&dma->lock, flags); +} + +static void output_handler(void *data) +{ + struct ddb_output *output = (struct ddb_output *)data; + struct ddb_dma *dma = output->dma; + + queue_work(ddb_wq, &dma->work); +} + +/****************************************************************************/ +/****************************************************************************/ + +static const struct ddb_regmap *io_regmap(struct ddb_io *io, int link) +{ + const struct ddb_info *info; + + if (link) + info = io->port->dev->link[io->port->lnr].info; + else + info = io->port->dev->link[0].info; + + if (!info) + return NULL; + + return info->regmap; +} + +static void ddb_dma_init(struct ddb_io *io, int nr, int out) +{ + struct ddb_dma *dma; + const struct ddb_regmap *rm = io_regmap(io, 0); + + dma = out ? &io->port->dev->odma[nr] : &io->port->dev->idma[nr]; + io->dma = dma; + dma->io = io; + + spin_lock_init(&dma->lock); + init_waitqueue_head(&dma->wq); + if (out) { + INIT_WORK(&dma->work, output_work); + dma->regs = rm->odma->base + rm->odma->size * nr; + dma->bufregs = rm->odma_buf->base + rm->odma_buf->size * nr; + dma->num = dma_buf_num; + dma->size = dma_buf_size * 128 * 47; + dma->div = 1; + } else { + INIT_WORK(&dma->work, input_work); + dma->regs = rm->idma->base + rm->idma->size * nr; + dma->bufregs = rm->idma_buf->base + rm->idma_buf->size * nr; + dma->num = dma_buf_num; + dma->size = dma_buf_size * 128 * 47; + dma->div = 1; + } + ddbwritel(io->port->dev, 0, DMA_BUFFER_ACK(dma)); + dev_dbg(io->port->dev->dev, "init link %u, io %u, dma %u, dmaregs %08x bufregs %08x\n", + io->port->lnr, io->nr, nr, dma->regs, dma->bufregs); +} + +static void ddb_input_init(struct ddb_port *port, int nr, int pnr, int anr) +{ + struct ddb *dev = port->dev; + struct ddb_input *input = &dev->input[anr]; + const struct ddb_regmap *rm; + + port->input[pnr] = input; + input->nr = nr; + input->port = port; + rm = io_regmap(input, 1); + input->regs = DDB_LINK_TAG(port->lnr) | + (rm->input->base + rm->input->size * nr); + dev_dbg(dev->dev, "init link %u, input %u, regs %08x\n", + port->lnr, nr, input->regs); + + if (dev->has_dma) { + const struct ddb_regmap *rm0 = io_regmap(input, 0); + u32 base = rm0->irq_base_idma; + u32 dma_nr = nr; + + if (port->lnr) + dma_nr += 32 + (port->lnr - 1) * 8; + + dev_dbg(dev->dev, "init link %u, input %u, handler %u\n", + port->lnr, nr, dma_nr + base); + + ddb_irq_set(dev, 0, dma_nr + base, &input_handler, input); + ddb_dma_init(input, dma_nr, 0); + } +} + +static void ddb_output_init(struct ddb_port *port, int nr) +{ + struct ddb *dev = port->dev; + struct ddb_output *output = &dev->output[nr]; + const struct ddb_regmap *rm; + + port->output = output; + output->nr = nr; + output->port = port; + rm = io_regmap(output, 1); + output->regs = DDB_LINK_TAG(port->lnr) | + (rm->output->base + rm->output->size * nr); + + dev_dbg(dev->dev, "init link %u, output %u, regs %08x\n", + port->lnr, nr, output->regs); + + if (dev->has_dma) { + const struct ddb_regmap *rm0 = io_regmap(output, 0); + u32 base = rm0->irq_base_odma; + + ddb_irq_set(dev, 0, nr + base, &output_handler, output); + ddb_dma_init(output, nr, 1); + } +} + +static int ddb_port_match_i2c(struct ddb_port *port) +{ + struct ddb *dev = port->dev; + u32 i; + + for (i = 0; i < dev->i2c_num; i++) { + if (dev->i2c[i].link == port->lnr && + dev->i2c[i].nr == port->nr) { + port->i2c = &dev->i2c[i]; + return 1; + } + } + return 0; +} + +static int ddb_port_match_link_i2c(struct ddb_port *port) +{ + struct ddb *dev = port->dev; + u32 i; + + for (i = 0; i < dev->i2c_num; i++) { + if (dev->i2c[i].link == port->lnr) { + port->i2c = &dev->i2c[i]; + return 1; + } + } + return 0; +} + +void ddb_ports_init(struct ddb *dev) +{ + u32 i, l, p; + struct ddb_port *port; + const struct ddb_info *info; + const struct ddb_regmap *rm; + + for (p = l = 0; l < DDB_MAX_LINK; l++) { + info = dev->link[l].info; + if (!info) + continue; + rm = info->regmap; + if (!rm) + continue; + for (i = 0; i < info->port_num; i++, p++) { + port = &dev->port[p]; + port->dev = dev; + port->nr = i; + port->lnr = l; + port->pnr = p; + port->gap = 0xffffffff; + port->obr = ci_bitrate; + mutex_init(&port->i2c_gate_lock); + + if (!ddb_port_match_i2c(port)) { + if (info->type == DDB_OCTOPUS_MAX) + ddb_port_match_link_i2c(port); + } + + ddb_port_probe(port); + + port->dvb[0].adap = &dev->adap[2 * p]; + port->dvb[1].adap = &dev->adap[2 * p + 1]; + + if (port->class == DDB_PORT_NONE && i && p && + dev->port[p - 1].type == DDB_CI_EXTERNAL_XO2) { + port->class = DDB_PORT_CI; + port->type = DDB_CI_EXTERNAL_XO2_B; + port->name = "DuoFlex CI_B"; + port->i2c = dev->port[p - 1].i2c; + } + + dev_info(dev->dev, "Port %u: Link %u, Link Port %u (TAB %u): %s\n", + port->pnr, port->lnr, port->nr, port->nr + 1, + port->name); + + if (port->class == DDB_PORT_CI && + port->type == DDB_CI_EXTERNAL_XO2) { + ddb_input_init(port, 2 * i, 0, 2 * i); + ddb_output_init(port, i); + continue; + } + + if (port->class == DDB_PORT_CI && + port->type == DDB_CI_EXTERNAL_XO2_B) { + ddb_input_init(port, 2 * i - 1, 0, 2 * i - 1); + ddb_output_init(port, i); + continue; + } + + if (port->class == DDB_PORT_NONE) + continue; + + switch (dev->link[l].info->type) { + case DDB_OCTOPUS_CI: + if (i >= 2) { + ddb_input_init(port, 2 + i, 0, 2 + i); + ddb_input_init(port, 4 + i, 1, 4 + i); + ddb_output_init(port, i); + break; + } + fallthrough; + case DDB_OCTOPUS: + ddb_input_init(port, 2 * i, 0, 2 * i); + ddb_input_init(port, 2 * i + 1, 1, 2 * i + 1); + ddb_output_init(port, i); + break; + case DDB_OCTOPUS_MAX: + case DDB_OCTOPUS_MAX_CT: + case DDB_OCTOPUS_MCI: + ddb_input_init(port, 2 * i, 0, 2 * p); + ddb_input_init(port, 2 * i + 1, 1, 2 * p + 1); + break; + default: + break; + } + } + } + dev->port_num = p; +} + +void ddb_ports_release(struct ddb *dev) +{ + int i; + struct ddb_port *port; + + for (i = 0; i < dev->port_num; i++) { + port = &dev->port[i]; + if (port->input[0] && port->input[0]->dma) + cancel_work_sync(&port->input[0]->dma->work); + if (port->input[1] && port->input[1]->dma) + cancel_work_sync(&port->input[1]->dma->work); + if (port->output && port->output->dma) + cancel_work_sync(&port->output->dma->work); + } +} + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +#define IRQ_HANDLE(_nr) \ + do { if ((s & (1UL << ((_nr) & 0x1f))) && \ + dev->link[0].irq[_nr].handler) \ + dev->link[0].irq[_nr].handler(dev->link[0].irq[_nr].data); } \ + while (0) + +#define IRQ_HANDLE_NIBBLE(_shift) { \ + if (s & (0x0000000f << ((_shift) & 0x1f))) { \ + IRQ_HANDLE(0 + (_shift)); \ + IRQ_HANDLE(1 + (_shift)); \ + IRQ_HANDLE(2 + (_shift)); \ + IRQ_HANDLE(3 + (_shift)); \ + } \ +} + +#define IRQ_HANDLE_BYTE(_shift) { \ + if (s & (0x000000ff << ((_shift) & 0x1f))) { \ + IRQ_HANDLE(0 + (_shift)); \ + IRQ_HANDLE(1 + (_shift)); \ + IRQ_HANDLE(2 + (_shift)); \ + IRQ_HANDLE(3 + (_shift)); \ + IRQ_HANDLE(4 + (_shift)); \ + IRQ_HANDLE(5 + (_shift)); \ + IRQ_HANDLE(6 + (_shift)); \ + IRQ_HANDLE(7 + (_shift)); \ + } \ +} + +static void irq_handle_msg(struct ddb *dev, u32 s) +{ + dev->i2c_irq++; + IRQ_HANDLE_NIBBLE(0); +} + +static void irq_handle_io(struct ddb *dev, u32 s) +{ + dev->ts_irq++; + IRQ_HANDLE_NIBBLE(4); + IRQ_HANDLE_BYTE(8); + IRQ_HANDLE_BYTE(16); + IRQ_HANDLE_BYTE(24); +} + +irqreturn_t ddb_irq_handler0(int irq, void *dev_id) +{ + struct ddb *dev = (struct ddb *)dev_id; + u32 mask = 0x8fffff00; + u32 s = mask & ddbreadl(dev, INTERRUPT_STATUS); + + if (!s) + return IRQ_NONE; + do { + if (s & 0x80000000) + return IRQ_NONE; + ddbwritel(dev, s, INTERRUPT_ACK); + irq_handle_io(dev, s); + } while ((s = mask & ddbreadl(dev, INTERRUPT_STATUS))); + + return IRQ_HANDLED; +} + +irqreturn_t ddb_irq_handler1(int irq, void *dev_id) +{ + struct ddb *dev = (struct ddb *)dev_id; + u32 mask = 0x8000000f; + u32 s = mask & ddbreadl(dev, INTERRUPT_STATUS); + + if (!s) + return IRQ_NONE; + do { + if (s & 0x80000000) + return IRQ_NONE; + ddbwritel(dev, s, INTERRUPT_ACK); + irq_handle_msg(dev, s); + } while ((s = mask & ddbreadl(dev, INTERRUPT_STATUS))); + + return IRQ_HANDLED; +} + +irqreturn_t ddb_irq_handler(int irq, void *dev_id) +{ + struct ddb *dev = (struct ddb *)dev_id; + u32 s = ddbreadl(dev, INTERRUPT_STATUS); + int ret = IRQ_HANDLED; + + if (!s) + return IRQ_NONE; + do { + if (s & 0x80000000) + return IRQ_NONE; + ddbwritel(dev, s, INTERRUPT_ACK); + + if (s & 0x0000000f) + irq_handle_msg(dev, s); + if (s & 0x0fffff00) + irq_handle_io(dev, s); + } while ((s = ddbreadl(dev, INTERRUPT_STATUS))); + + return ret; +} + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +static int reg_wait(struct ddb *dev, u32 reg, u32 bit) +{ + u32 count = 0; + + while (safe_ddbreadl(dev, reg) & bit) { + ndelay(10); + if (++count == 100) + return -1; + } + return 0; +} + +static int flashio(struct ddb *dev, u32 lnr, u8 *wbuf, u32 wlen, u8 *rbuf, + u32 rlen) +{ + u32 data, shift; + u32 tag = DDB_LINK_TAG(lnr); + struct ddb_link *link = &dev->link[lnr]; + + mutex_lock(&link->flash_mutex); + if (wlen > 4) + ddbwritel(dev, 1, tag | SPI_CONTROL); + while (wlen > 4) { + /* FIXME: check for big-endian */ + data = swab32(*(u32 *)wbuf); + wbuf += 4; + wlen -= 4; + ddbwritel(dev, data, tag | SPI_DATA); + if (reg_wait(dev, tag | SPI_CONTROL, 4)) + goto fail; + } + if (rlen) + ddbwritel(dev, 0x0001 | ((wlen << (8 + 3)) & 0x1f00), + tag | SPI_CONTROL); + else + ddbwritel(dev, 0x0003 | ((wlen << (8 + 3)) & 0x1f00), + tag | SPI_CONTROL); + + data = 0; + shift = ((4 - wlen) * 8); + while (wlen) { + data <<= 8; + data |= *wbuf; + wlen--; + wbuf++; + } + if (shift) + data <<= shift; + ddbwritel(dev, data, tag | SPI_DATA); + if (reg_wait(dev, tag | SPI_CONTROL, 4)) + goto fail; + + if (!rlen) { + ddbwritel(dev, 0, tag | SPI_CONTROL); + goto exit; + } + if (rlen > 4) + ddbwritel(dev, 1, tag | SPI_CONTROL); + + while (rlen > 4) { + ddbwritel(dev, 0xffffffff, tag | SPI_DATA); + if (reg_wait(dev, tag | SPI_CONTROL, 4)) + goto fail; + data = ddbreadl(dev, tag | SPI_DATA); + *(u32 *)rbuf = swab32(data); + rbuf += 4; + rlen -= 4; + } + ddbwritel(dev, 0x0003 | ((rlen << (8 + 3)) & 0x1F00), + tag | SPI_CONTROL); + ddbwritel(dev, 0xffffffff, tag | SPI_DATA); + if (reg_wait(dev, tag | SPI_CONTROL, 4)) + goto fail; + + data = ddbreadl(dev, tag | SPI_DATA); + ddbwritel(dev, 0, tag | SPI_CONTROL); + + if (rlen < 4) + data <<= ((4 - rlen) * 8); + + while (rlen > 0) { + *rbuf = ((data >> 24) & 0xff); + data <<= 8; + rbuf++; + rlen--; + } +exit: + mutex_unlock(&link->flash_mutex); + return 0; +fail: + mutex_unlock(&link->flash_mutex); + return -1; +} + +int ddbridge_flashread(struct ddb *dev, u32 link, u8 *buf, u32 addr, u32 len) +{ + u8 cmd[4] = {0x03, (addr >> 16) & 0xff, + (addr >> 8) & 0xff, addr & 0xff}; + + return flashio(dev, link, cmd, 4, buf, len); +} + +/* + * TODO/FIXME: add/implement IOCTLs from upstream driver + */ + +#define DDB_NAME "ddbridge" + +static u32 ddb_num; +static int ddb_major; +static DEFINE_MUTEX(ddb_mutex); + +static int ddb_release(struct inode *inode, struct file *file) +{ + struct ddb *dev = file->private_data; + + dev->ddb_dev_users--; + return 0; +} + +static int ddb_open(struct inode *inode, struct file *file) +{ + struct ddb *dev = ddbs[iminor(inode)]; + + if (dev->ddb_dev_users) + return -EBUSY; + dev->ddb_dev_users++; + file->private_data = dev; + return 0; +} + +static long ddb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + struct ddb *dev = file->private_data; + + dev_warn(dev->dev, "DDB IOCTLs unsupported (cmd: %d, arg: %lu)\n", + cmd, arg); + + return -ENOTTY; +} + +static const struct file_operations ddb_fops = { + .unlocked_ioctl = ddb_ioctl, + .open = ddb_open, + .release = ddb_release, +}; + +static char *ddb_devnode(struct device *device, umode_t *mode) +{ + struct ddb *dev = dev_get_drvdata(device); + + return kasprintf(GFP_KERNEL, "ddbridge/card%d", dev->nr); +} + +#define __ATTR_MRO(_name, _show) { \ + .attr = { .name = __stringify(_name), .mode = 0444 }, \ + .show = _show, \ +} + +#define __ATTR_MWO(_name, _store) { \ + .attr = { .name = __stringify(_name), .mode = 0222 }, \ + .store = _store, \ +} + +static ssize_t ports_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + + return sprintf(buf, "%d\n", dev->port_num); +} + +static ssize_t ts_irq_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + + return sprintf(buf, "%d\n", dev->ts_irq); +} + +static ssize_t i2c_irq_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + + return sprintf(buf, "%d\n", dev->i2c_irq); +} + +static ssize_t fan_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + u32 val; + + val = ddbreadl(dev, GPIO_OUTPUT) & 1; + return sprintf(buf, "%d\n", val); +} + +static ssize_t fan_store(struct device *device, struct device_attribute *d, + const char *buf, size_t count) +{ + struct ddb *dev = dev_get_drvdata(device); + u32 val; + + if (sscanf(buf, "%u\n", &val) != 1) + return -EINVAL; + ddbwritel(dev, 1, GPIO_DIRECTION); + ddbwritel(dev, val & 1, GPIO_OUTPUT); + return count; +} + +static ssize_t fanspeed_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + int num = attr->attr.name[8] - 0x30; + struct ddb_link *link = &dev->link[num]; + u32 spd; + + spd = ddblreadl(link, TEMPMON_FANCONTROL) & 0xff; + return sprintf(buf, "%u\n", spd * 100); +} + +static ssize_t temp_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + struct ddb_link *link = &dev->link[0]; + struct i2c_adapter *adap; + int temp, temp2; + u8 tmp[2]; + + if (!link->info->temp_num) + return sprintf(buf, "no sensor\n"); + adap = &dev->i2c[link->info->temp_bus].adap; + if (i2c_read_regs(adap, 0x48, 0, tmp, 2) < 0) + return sprintf(buf, "read_error\n"); + temp = (tmp[0] << 3) | (tmp[1] >> 5); + temp *= 125; + if (link->info->temp_num == 2) { + if (i2c_read_regs(adap, 0x49, 0, tmp, 2) < 0) + return sprintf(buf, "read_error\n"); + temp2 = (tmp[0] << 3) | (tmp[1] >> 5); + temp2 *= 125; + return sprintf(buf, "%d %d\n", temp, temp2); + } + return sprintf(buf, "%d\n", temp); +} + +static ssize_t ctemp_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + struct i2c_adapter *adap; + int temp; + u8 tmp[2]; + int num = attr->attr.name[4] - 0x30; + + adap = &dev->i2c[num].adap; + if (!adap) + return 0; + if (i2c_read_regs(adap, 0x49, 0, tmp, 2) < 0) + if (i2c_read_regs(adap, 0x4d, 0, tmp, 2) < 0) + return sprintf(buf, "no sensor\n"); + temp = tmp[0] * 1000; + return sprintf(buf, "%d\n", temp); +} + +static ssize_t led_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + int num = attr->attr.name[3] - 0x30; + + return sprintf(buf, "%d\n", dev->leds & (1 << num) ? 1 : 0); +} + +static void ddb_set_led(struct ddb *dev, int num, int val) +{ + if (!dev->link[0].info->led_num) + return; + switch (dev->port[num].class) { + case DDB_PORT_TUNER: + switch (dev->port[num].type) { + case DDB_TUNER_DVBS_ST: + i2c_write_reg16(&dev->i2c[num].adap, + 0x69, 0xf14c, val ? 2 : 0); + break; + case DDB_TUNER_DVBCT_ST: + i2c_write_reg16(&dev->i2c[num].adap, + 0x1f, 0xf00e, 0); + i2c_write_reg16(&dev->i2c[num].adap, + 0x1f, 0xf00f, val ? 1 : 0); + break; + case DDB_TUNER_XO2 ... DDB_TUNER_DVBC2T2I_SONY: + { + u8 v; + + i2c_read_reg(&dev->i2c[num].adap, 0x10, 0x08, &v); + v = (v & ~0x10) | (val ? 0x10 : 0); + i2c_write_reg(&dev->i2c[num].adap, 0x10, 0x08, v); + break; + } + default: + break; + } + break; + } +} + +static ssize_t led_store(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ddb *dev = dev_get_drvdata(device); + int num = attr->attr.name[3] - 0x30; + u32 val; + + if (sscanf(buf, "%u\n", &val) != 1) + return -EINVAL; + if (val) + dev->leds |= (1 << num); + else + dev->leds &= ~(1 << num); + ddb_set_led(dev, num, val); + return count; +} + +static ssize_t snr_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + char snr[32]; + int num = attr->attr.name[3] - 0x30; + + if (dev->port[num].type >= DDB_TUNER_XO2) { + if (i2c_read_regs(&dev->i2c[num].adap, 0x10, 0x10, snr, 16) < 0) + return sprintf(buf, "NO SNR\n"); + snr[16] = 0; + } else { + /* serial number at 0x100-0x11f */ + if (i2c_read_regs16(&dev->i2c[num].adap, + 0x57, 0x100, snr, 32) < 0) + if (i2c_read_regs16(&dev->i2c[num].adap, + 0x50, 0x100, snr, 32) < 0) + return sprintf(buf, "NO SNR\n"); + snr[31] = 0; /* in case it is not terminated on EEPROM */ + } + return sprintf(buf, "%s\n", snr); +} + +static ssize_t bsnr_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + char snr[16]; + + ddbridge_flashread(dev, 0, snr, 0x10, 15); + snr[15] = 0; /* in case it is not terminated on EEPROM */ + return sprintf(buf, "%s\n", snr); +} + +static ssize_t bpsnr_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + unsigned char snr[32]; + + if (!dev->i2c_num) + return 0; + + if (i2c_read_regs16(&dev->i2c[0].adap, + 0x50, 0x0000, snr, 32) < 0 || + snr[0] == 0xff) + return sprintf(buf, "NO SNR\n"); + snr[31] = 0; /* in case it is not terminated on EEPROM */ + return sprintf(buf, "%s\n", snr); +} + +static ssize_t redirect_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + return 0; +} + +static ssize_t redirect_store(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) +{ + unsigned int i, p; + int res; + + if (sscanf(buf, "%x %x\n", &i, &p) != 2) + return -EINVAL; + res = ddb_redirect(i, p); + if (res < 0) + return res; + dev_info(device, "redirect: %02x, %02x\n", i, p); + return count; +} + +static ssize_t gap_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + int num = attr->attr.name[3] - 0x30; + + return sprintf(buf, "%d\n", dev->port[num].gap); +} + +static ssize_t gap_store(struct device *device, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ddb *dev = dev_get_drvdata(device); + int num = attr->attr.name[3] - 0x30; + unsigned int val; + + if (sscanf(buf, "%u\n", &val) != 1) + return -EINVAL; + if (val > 128) + return -EINVAL; + if (val == 128) + val = 0xffffffff; + dev->port[num].gap = val; + return count; +} + +static ssize_t version_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + + return sprintf(buf, "%08x %08x\n", + dev->link[0].ids.hwid, dev->link[0].ids.regmapid); +} + +static ssize_t hwid_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + + return sprintf(buf, "0x%08X\n", dev->link[0].ids.hwid); +} + +static ssize_t regmap_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ddb *dev = dev_get_drvdata(device); + + return sprintf(buf, "0x%08X\n", dev->link[0].ids.regmapid); +} + +static ssize_t fmode_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + int num = attr->attr.name[5] - 0x30; + struct ddb *dev = dev_get_drvdata(device); + + return sprintf(buf, "%u\n", dev->link[num].lnb.fmode); +} + +static ssize_t devid_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + int num = attr->attr.name[5] - 0x30; + struct ddb *dev = dev_get_drvdata(device); + + return sprintf(buf, "%08x\n", dev->link[num].ids.devid); +} + +static ssize_t fmode_store(struct device *device, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ddb *dev = dev_get_drvdata(device); + int num = attr->attr.name[5] - 0x30; + unsigned int val; + + if (sscanf(buf, "%u\n", &val) != 1) + return -EINVAL; + if (val > 3) + return -EINVAL; + ddb_lnb_init_fmode(dev, &dev->link[num], val); + return count; +} + +static struct device_attribute ddb_attrs[] = { + __ATTR_RO(version), + __ATTR_RO(ports), + __ATTR_RO(ts_irq), + __ATTR_RO(i2c_irq), + __ATTR(gap0, 0664, gap_show, gap_store), + __ATTR(gap1, 0664, gap_show, gap_store), + __ATTR(gap2, 0664, gap_show, gap_store), + __ATTR(gap3, 0664, gap_show, gap_store), + __ATTR(fmode0, 0664, fmode_show, fmode_store), + __ATTR(fmode1, 0664, fmode_show, fmode_store), + __ATTR(fmode2, 0664, fmode_show, fmode_store), + __ATTR(fmode3, 0664, fmode_show, fmode_store), + __ATTR_MRO(devid0, devid_show), + __ATTR_MRO(devid1, devid_show), + __ATTR_MRO(devid2, devid_show), + __ATTR_MRO(devid3, devid_show), + __ATTR_RO(hwid), + __ATTR_RO(regmap), + __ATTR(redirect, 0664, redirect_show, redirect_store), + __ATTR_MRO(snr, bsnr_show), + __ATTR_RO(bpsnr), + __ATTR_NULL, +}; + +static struct device_attribute ddb_attrs_temp[] = { + __ATTR_RO(temp), +}; + +static struct device_attribute ddb_attrs_fan[] = { + __ATTR(fan, 0664, fan_show, fan_store), +}; + +static struct device_attribute ddb_attrs_snr[] = { + __ATTR_MRO(snr0, snr_show), + __ATTR_MRO(snr1, snr_show), + __ATTR_MRO(snr2, snr_show), + __ATTR_MRO(snr3, snr_show), +}; + +static struct device_attribute ddb_attrs_ctemp[] = { + __ATTR_MRO(temp0, ctemp_show), + __ATTR_MRO(temp1, ctemp_show), + __ATTR_MRO(temp2, ctemp_show), + __ATTR_MRO(temp3, ctemp_show), +}; + +static struct device_attribute ddb_attrs_led[] = { + __ATTR(led0, 0664, led_show, led_store), + __ATTR(led1, 0664, led_show, led_store), + __ATTR(led2, 0664, led_show, led_store), + __ATTR(led3, 0664, led_show, led_store), +}; + +static struct device_attribute ddb_attrs_fanspeed[] = { + __ATTR_MRO(fanspeed0, fanspeed_show), + __ATTR_MRO(fanspeed1, fanspeed_show), + __ATTR_MRO(fanspeed2, fanspeed_show), + __ATTR_MRO(fanspeed3, fanspeed_show), +}; + +static struct class ddb_class = { + .name = "ddbridge", + .owner = THIS_MODULE, + .devnode = ddb_devnode, +}; + +static int ddb_class_create(void) +{ + ddb_major = register_chrdev(0, DDB_NAME, &ddb_fops); + if (ddb_major < 0) + return ddb_major; + if (class_register(&ddb_class) < 0) + return -1; + return 0; +} + +static void ddb_class_destroy(void) +{ + class_unregister(&ddb_class); + unregister_chrdev(ddb_major, DDB_NAME); +} + +static void ddb_device_attrs_del(struct ddb *dev) +{ + int i; + + for (i = 0; i < 4; i++) + if (dev->link[i].info && dev->link[i].info->tempmon_irq) + device_remove_file(dev->ddb_dev, + &ddb_attrs_fanspeed[i]); + for (i = 0; i < dev->link[0].info->temp_num; i++) + device_remove_file(dev->ddb_dev, &ddb_attrs_temp[i]); + for (i = 0; i < dev->link[0].info->fan_num; i++) + device_remove_file(dev->ddb_dev, &ddb_attrs_fan[i]); + for (i = 0; i < dev->i2c_num && i < 4; i++) { + if (dev->link[0].info->led_num) + device_remove_file(dev->ddb_dev, &ddb_attrs_led[i]); + device_remove_file(dev->ddb_dev, &ddb_attrs_snr[i]); + device_remove_file(dev->ddb_dev, &ddb_attrs_ctemp[i]); + } + for (i = 0; ddb_attrs[i].attr.name; i++) + device_remove_file(dev->ddb_dev, &ddb_attrs[i]); +} + +static int ddb_device_attrs_add(struct ddb *dev) +{ + int i; + + for (i = 0; ddb_attrs[i].attr.name; i++) + if (device_create_file(dev->ddb_dev, &ddb_attrs[i])) + goto fail; + for (i = 0; i < dev->link[0].info->temp_num; i++) + if (device_create_file(dev->ddb_dev, &ddb_attrs_temp[i])) + goto fail; + for (i = 0; i < dev->link[0].info->fan_num; i++) + if (device_create_file(dev->ddb_dev, &ddb_attrs_fan[i])) + goto fail; + for (i = 0; (i < dev->i2c_num) && (i < 4); i++) { + if (device_create_file(dev->ddb_dev, &ddb_attrs_snr[i])) + goto fail; + if (device_create_file(dev->ddb_dev, &ddb_attrs_ctemp[i])) + goto fail; + if (dev->link[0].info->led_num) + if (device_create_file(dev->ddb_dev, + &ddb_attrs_led[i])) + goto fail; + } + for (i = 0; i < 4; i++) + if (dev->link[i].info && dev->link[i].info->tempmon_irq) + if (device_create_file(dev->ddb_dev, + &ddb_attrs_fanspeed[i])) + goto fail; + return 0; +fail: + return -1; +} + +int ddb_device_create(struct ddb *dev) +{ + int res = 0; + + if (ddb_num == DDB_MAX_ADAPTER) + return -ENOMEM; + mutex_lock(&ddb_mutex); + dev->nr = ddb_num; + ddbs[dev->nr] = dev; + dev->ddb_dev = device_create(&ddb_class, dev->dev, + MKDEV(ddb_major, dev->nr), + dev, "ddbridge%d", dev->nr); + if (IS_ERR(dev->ddb_dev)) { + res = PTR_ERR(dev->ddb_dev); + dev_info(dev->dev, "Could not create ddbridge%d\n", dev->nr); + goto fail; + } + res = ddb_device_attrs_add(dev); + if (res) { + ddb_device_attrs_del(dev); + device_destroy(&ddb_class, MKDEV(ddb_major, dev->nr)); + ddbs[dev->nr] = NULL; + dev->ddb_dev = ERR_PTR(-ENODEV); + } else { + ddb_num++; + } +fail: + mutex_unlock(&ddb_mutex); + return res; +} + +void ddb_device_destroy(struct ddb *dev) +{ + if (IS_ERR(dev->ddb_dev)) + return; + ddb_device_attrs_del(dev); + device_destroy(&ddb_class, MKDEV(ddb_major, dev->nr)); +} + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +static void tempmon_setfan(struct ddb_link *link) +{ + u32 temp, temp2, pwm; + + if ((ddblreadl(link, TEMPMON_CONTROL) & + TEMPMON_CONTROL_OVERTEMP) != 0) { + dev_info(link->dev->dev, "Over temperature condition\n"); + link->overtemperature_error = 1; + } + temp = (ddblreadl(link, TEMPMON_SENSOR0) >> 8) & 0xFF; + if (temp & 0x80) + temp = 0; + temp2 = (ddblreadl(link, TEMPMON_SENSOR1) >> 8) & 0xFF; + if (temp2 & 0x80) + temp2 = 0; + if (temp2 > temp) + temp = temp2; + + pwm = (ddblreadl(link, TEMPMON_FANCONTROL) >> 8) & 0x0F; + if (pwm > 10) + pwm = 10; + + if (temp >= link->temp_tab[pwm]) { + while (pwm < 10 && temp >= link->temp_tab[pwm + 1]) + pwm += 1; + } else { + while (pwm > 1 && temp < link->temp_tab[pwm - 2]) + pwm -= 1; + } + ddblwritel(link, (pwm << 8), TEMPMON_FANCONTROL); +} + +static void temp_handler(void *data) +{ + struct ddb_link *link = (struct ddb_link *)data; + + spin_lock(&link->temp_lock); + tempmon_setfan(link); + spin_unlock(&link->temp_lock); +} + +static int tempmon_init(struct ddb_link *link, int first_time) +{ + struct ddb *dev = link->dev; + int status = 0; + u32 l = link->nr; + + spin_lock_irq(&link->temp_lock); + if (first_time) { + static u8 temperature_table[11] = { + 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80 }; + + memcpy(link->temp_tab, temperature_table, + sizeof(temperature_table)); + } + ddb_irq_set(dev, l, link->info->tempmon_irq, temp_handler, link); + ddblwritel(link, (TEMPMON_CONTROL_OVERTEMP | TEMPMON_CONTROL_AUTOSCAN | + TEMPMON_CONTROL_INTENABLE), + TEMPMON_CONTROL); + ddblwritel(link, (3 << 8), TEMPMON_FANCONTROL); + + link->overtemperature_error = + ((ddblreadl(link, TEMPMON_CONTROL) & + TEMPMON_CONTROL_OVERTEMP) != 0); + if (link->overtemperature_error) { + dev_info(link->dev->dev, "Over temperature condition\n"); + status = -1; + } + tempmon_setfan(link); + spin_unlock_irq(&link->temp_lock); + return status; +} + +static int ddb_init_tempmon(struct ddb_link *link) +{ + const struct ddb_info *info = link->info; + + if (!info->tempmon_irq) + return 0; + if (info->type == DDB_OCTOPUS_MAX_CT) + if (link->ids.regmapid < 0x00010002) + return 0; + spin_lock_init(&link->temp_lock); + dev_dbg(link->dev->dev, "init_tempmon\n"); + return tempmon_init(link, 1); +} + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +static int ddb_init_boards(struct ddb *dev) +{ + const struct ddb_info *info; + struct ddb_link *link; + u32 l; + + for (l = 0; l < DDB_MAX_LINK; l++) { + link = &dev->link[l]; + info = link->info; + + if (!info) + continue; + if (info->board_control) { + ddbwritel(dev, 0, DDB_LINK_TAG(l) | BOARD_CONTROL); + msleep(100); + ddbwritel(dev, info->board_control_2, + DDB_LINK_TAG(l) | BOARD_CONTROL); + usleep_range(2000, 3000); + ddbwritel(dev, + info->board_control_2 | info->board_control, + DDB_LINK_TAG(l) | BOARD_CONTROL); + usleep_range(2000, 3000); + } + ddb_init_tempmon(link); + } + return 0; +} + +int ddb_init(struct ddb *dev) +{ + mutex_init(&dev->link[0].lnb.lock); + mutex_init(&dev->link[0].flash_mutex); + if (no_init) { + ddb_device_create(dev); + return 0; + } + + ddb_init_boards(dev); + + if (ddb_i2c_init(dev) < 0) + goto fail1; + ddb_ports_init(dev); + if (ddb_buffers_alloc(dev) < 0) { + dev_info(dev->dev, "Could not allocate buffer memory\n"); + goto fail2; + } + if (ddb_ports_attach(dev) < 0) + goto fail3; + + ddb_device_create(dev); + + if (dev->link[0].info->fan_num) { + ddbwritel(dev, 1, GPIO_DIRECTION); + ddbwritel(dev, 1, GPIO_OUTPUT); + } + return 0; + +fail3: + dev_err(dev->dev, "fail3\n"); + ddb_ports_detach(dev); + ddb_buffers_free(dev); +fail2: + dev_err(dev->dev, "fail2\n"); + ddb_ports_release(dev); + ddb_i2c_release(dev); +fail1: + dev_err(dev->dev, "fail1\n"); + return -1; +} + +void ddb_unmap(struct ddb *dev) +{ + if (dev->regs) + iounmap(dev->regs); + vfree(dev); +} + +int ddb_exit_ddbridge(int stage, int error) +{ + switch (stage) { + default: + case 2: + destroy_workqueue(ddb_wq); + fallthrough; + case 1: + ddb_class_destroy(); + break; + } + + return error; +} + +int ddb_init_ddbridge(void) +{ + if (dma_buf_num < 8) + dma_buf_num = 8; + if (dma_buf_num > 32) + dma_buf_num = 32; + if (dma_buf_size < 1) + dma_buf_size = 1; + if (dma_buf_size > 43) + dma_buf_size = 43; + + if (ddb_class_create() < 0) + return -1; + ddb_wq = alloc_workqueue("ddbridge", 0, 0); + if (!ddb_wq) + return ddb_exit_ddbridge(1, -1); + + return 0; +} diff --git a/drivers/media/pci/ddbridge/ddbridge-dummy-fe.c b/drivers/media/pci/ddbridge/ddbridge-dummy-fe.c new file mode 100644 index 000000000..520ebd16b --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-dummy-fe.c @@ -0,0 +1,153 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Driver for Dummy Frontend + * + * Written by Emard <emard@softhome.net> + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/string.h> +#include <linux/slab.h> + +#include <media/dvb_frontend.h> +#include "ddbridge-dummy-fe.h" + +struct ddbridge_dummy_fe_state { + struct dvb_frontend frontend; +}; + +static int ddbridge_dummy_fe_read_status(struct dvb_frontend *fe, + enum fe_status *status) +{ + *status = FE_HAS_SIGNAL + | FE_HAS_CARRIER + | FE_HAS_VITERBI + | FE_HAS_SYNC + | FE_HAS_LOCK; + + return 0; +} + +static int ddbridge_dummy_fe_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + *ber = 0; + return 0; +} + +static int ddbridge_dummy_fe_read_signal_strength(struct dvb_frontend *fe, + u16 *strength) +{ + *strength = 0; + return 0; +} + +static int ddbridge_dummy_fe_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + *snr = 0; + return 0; +} + +static int ddbridge_dummy_fe_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) +{ + *ucblocks = 0; + return 0; +} + +/* + * Should only be implemented if it actually reads something from the hardware. + * Also, it should check for the locks, in order to avoid report wrong data + * to userspace. + */ +static int ddbridge_dummy_fe_get_frontend(struct dvb_frontend *fe, + struct dtv_frontend_properties *p) +{ + return 0; +} + +static int ddbridge_dummy_fe_set_frontend(struct dvb_frontend *fe) +{ + if (fe->ops.tuner_ops.set_params) { + fe->ops.tuner_ops.set_params(fe); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + } + + return 0; +} + +static int ddbridge_dummy_fe_sleep(struct dvb_frontend *fe) +{ + return 0; +} + +static int ddbridge_dummy_fe_init(struct dvb_frontend *fe) +{ + return 0; +} + +static void ddbridge_dummy_fe_release(struct dvb_frontend *fe) +{ + struct ddbridge_dummy_fe_state *state = fe->demodulator_priv; + + kfree(state); +} + +static const struct dvb_frontend_ops ddbridge_dummy_fe_qam_ops; + +struct dvb_frontend *ddbridge_dummy_fe_qam_attach(void) +{ + struct ddbridge_dummy_fe_state *state = NULL; + + /* allocate memory for the internal state */ + state = kzalloc(sizeof(struct ddbridge_dummy_fe_state), GFP_KERNEL); + if (!state) + return NULL; + + /* create dvb_frontend */ + memcpy(&state->frontend.ops, + &ddbridge_dummy_fe_qam_ops, + sizeof(struct dvb_frontend_ops)); + + state->frontend.demodulator_priv = state; + return &state->frontend; +} +EXPORT_SYMBOL_GPL(ddbridge_dummy_fe_qam_attach); + +static const struct dvb_frontend_ops ddbridge_dummy_fe_qam_ops = { + .delsys = { SYS_DVBC_ANNEX_A }, + .info = { + .name = "ddbridge dummy DVB-C", + .frequency_min_hz = 51 * MHz, + .frequency_max_hz = 858 * MHz, + .frequency_stepsize_hz = 62500, + /* symbol_rate_min: SACLK/64 == (XIN/2)/64 */ + .symbol_rate_min = (57840000 / 2) / 64, + .symbol_rate_max = (57840000 / 2) / 4, /* SACLK/4 */ + .caps = FE_CAN_QAM_16 | + FE_CAN_QAM_32 | + FE_CAN_QAM_64 | + FE_CAN_QAM_128 | + FE_CAN_QAM_256 | + FE_CAN_FEC_AUTO | + FE_CAN_INVERSION_AUTO + }, + + .release = ddbridge_dummy_fe_release, + + .init = ddbridge_dummy_fe_init, + .sleep = ddbridge_dummy_fe_sleep, + + .set_frontend = ddbridge_dummy_fe_set_frontend, + .get_frontend = ddbridge_dummy_fe_get_frontend, + + .read_status = ddbridge_dummy_fe_read_status, + .read_ber = ddbridge_dummy_fe_read_ber, + .read_signal_strength = ddbridge_dummy_fe_read_signal_strength, + .read_snr = ddbridge_dummy_fe_read_snr, + .read_ucblocks = ddbridge_dummy_fe_read_ucblocks, +}; + +MODULE_DESCRIPTION("ddbridge dummy Frontend"); +MODULE_AUTHOR("Emard"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/pci/ddbridge/ddbridge-dummy-fe.h b/drivers/media/pci/ddbridge/ddbridge-dummy-fe.h new file mode 100644 index 000000000..ddf189c09 --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-dummy-fe.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Driver for Dummy Frontend + * + * Written by Emard <emard@softhome.net> + */ + +#ifndef DDBRIDGE_DUMMY_FE_H +#define DDBRIDGE_DUMMY_FE_H + +#include <linux/dvb/frontend.h> +#include <media/dvb_frontend.h> + +struct dvb_frontend *ddbridge_dummy_fe_qam_attach(void); + +#endif // DDBRIDGE_DUMMY_FE_H diff --git a/drivers/media/pci/ddbridge/ddbridge-hw.c b/drivers/media/pci/ddbridge/ddbridge-hw.c new file mode 100644 index 000000000..d7d9cd0da --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-hw.c @@ -0,0 +1,379 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * ddbridge-hw.c: Digital Devices bridge hardware maps + * + * Copyright (C) 2010-2017 Digital Devices GmbH + * Ralph Metzler <rjkm@metzlerbros.de> + * Marcus Metzler <mocm@metzlerbros.de> + */ + +#include "ddbridge.h" +#include "ddbridge-hw.h" + +/******************************************************************************/ + +static const struct ddb_regset octopus_input = { + .base = 0x200, + .num = 0x08, + .size = 0x10, +}; + +static const struct ddb_regset octopus_output = { + .base = 0x280, + .num = 0x08, + .size = 0x10, +}; + +static const struct ddb_regset octopus_idma = { + .base = 0x300, + .num = 0x08, + .size = 0x10, +}; + +static const struct ddb_regset octopus_idma_buf = { + .base = 0x2000, + .num = 0x08, + .size = 0x100, +}; + +static const struct ddb_regset octopus_odma = { + .base = 0x380, + .num = 0x04, + .size = 0x10, +}; + +static const struct ddb_regset octopus_odma_buf = { + .base = 0x2800, + .num = 0x04, + .size = 0x100, +}; + +static const struct ddb_regset octopus_i2c = { + .base = 0x80, + .num = 0x04, + .size = 0x20, +}; + +static const struct ddb_regset octopus_i2c_buf = { + .base = 0x1000, + .num = 0x04, + .size = 0x200, +}; + +/****************************************************************************/ + +static const struct ddb_regmap octopus_map = { + .irq_base_i2c = 0, + .irq_base_idma = 8, + .irq_base_odma = 16, + .i2c = &octopus_i2c, + .i2c_buf = &octopus_i2c_buf, + .idma = &octopus_idma, + .idma_buf = &octopus_idma_buf, + .odma = &octopus_odma, + .odma_buf = &octopus_odma_buf, + .input = &octopus_input, + .output = &octopus_output, +}; + +/****************************************************************************/ + +static const struct ddb_info ddb_none = { + .type = DDB_NONE, + .name = "unknown Digital Devices PCIe card, install newer driver", + .regmap = &octopus_map, +}; + +static const struct ddb_info ddb_octopus = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Octopus DVB adapter", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, +}; + +static const struct ddb_info ddb_octopusv3 = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Octopus V3 DVB adapter", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, +}; + +static const struct ddb_info ddb_octopus_le = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Octopus LE DVB adapter", + .regmap = &octopus_map, + .port_num = 2, + .i2c_mask = 0x03, +}; + +static const struct ddb_info ddb_octopus_oem = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Octopus OEM", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, + .led_num = 1, + .fan_num = 1, + .temp_num = 1, + .temp_bus = 0, +}; + +static const struct ddb_info ddb_octopus_mini = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Octopus Mini", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, +}; + +static const struct ddb_info ddb_v6 = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Cine S2 V6 DVB adapter", + .regmap = &octopus_map, + .port_num = 3, + .i2c_mask = 0x07, +}; + +static const struct ddb_info ddb_v6_5 = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Cine S2 V6.5 DVB adapter", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, +}; + +static const struct ddb_info ddb_v7 = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Cine S2 V7 DVB adapter", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, + .board_control = 2, + .board_control_2 = 4, + .ts_quirks = TS_QUIRK_REVERSED, +}; + +static const struct ddb_info ddb_v7a = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Cine S2 V7 Advanced DVB adapter", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, + .board_control = 2, + .board_control_2 = 4, + .ts_quirks = TS_QUIRK_REVERSED, +}; + +static const struct ddb_info ddb_ctv7 = { + .type = DDB_OCTOPUS, + .name = "Digital Devices Cine CT V7 DVB adapter", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, + .board_control = 3, + .board_control_2 = 4, +}; + +static const struct ddb_info ddb_satixs2v3 = { + .type = DDB_OCTOPUS, + .name = "Mystique SaTiX-S2 V3 DVB adapter", + .regmap = &octopus_map, + .port_num = 3, + .i2c_mask = 0x07, +}; + +static const struct ddb_info ddb_ci = { + .type = DDB_OCTOPUS_CI, + .name = "Digital Devices Octopus CI", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x03, +}; + +static const struct ddb_info ddb_cis = { + .type = DDB_OCTOPUS_CI, + .name = "Digital Devices Octopus CI single", + .regmap = &octopus_map, + .port_num = 3, + .i2c_mask = 0x03, +}; + +static const struct ddb_info ddb_ci_s2_pro = { + .type = DDB_OCTOPUS_CI, + .name = "Digital Devices Octopus CI S2 Pro", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x01, + .board_control = 2, + .board_control_2 = 4, +}; + +static const struct ddb_info ddb_ci_s2_pro_a = { + .type = DDB_OCTOPUS_CI, + .name = "Digital Devices Octopus CI S2 Pro Advanced", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x01, + .board_control = 2, + .board_control_2 = 4, +}; + +static const struct ddb_info ddb_dvbct = { + .type = DDB_OCTOPUS, + .name = "Digital Devices DVBCT V6.1 DVB adapter", + .regmap = &octopus_map, + .port_num = 3, + .i2c_mask = 0x07, +}; + +/****************************************************************************/ + +static const struct ddb_info ddb_ct2_8 = { + .type = DDB_OCTOPUS_MAX_CT, + .name = "Digital Devices MAX A8 CT2", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, + .board_control = 0x0ff, + .board_control_2 = 0xf00, + .ts_quirks = TS_QUIRK_SERIAL, + .tempmon_irq = 24, +}; + +static const struct ddb_info ddb_c2t2_8 = { + .type = DDB_OCTOPUS_MAX_CT, + .name = "Digital Devices MAX A8 C2T2", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, + .board_control = 0x0ff, + .board_control_2 = 0xf00, + .ts_quirks = TS_QUIRK_SERIAL, + .tempmon_irq = 24, +}; + +static const struct ddb_info ddb_isdbt_8 = { + .type = DDB_OCTOPUS_MAX_CT, + .name = "Digital Devices MAX A8 ISDBT", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, + .board_control = 0x0ff, + .board_control_2 = 0xf00, + .ts_quirks = TS_QUIRK_SERIAL, + .tempmon_irq = 24, +}; + +static const struct ddb_info ddb_c2t2i_v0_8 = { + .type = DDB_OCTOPUS_MAX_CT, + .name = "Digital Devices MAX A8 C2T2I V0", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, + .board_control = 0x0ff, + .board_control_2 = 0xf00, + .ts_quirks = TS_QUIRK_SERIAL | TS_QUIRK_ALT_OSC, + .tempmon_irq = 24, +}; + +static const struct ddb_info ddb_c2t2i_8 = { + .type = DDB_OCTOPUS_MAX_CT, + .name = "Digital Devices MAX A8 C2T2I", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x0f, + .board_control = 0x0ff, + .board_control_2 = 0xf00, + .ts_quirks = TS_QUIRK_SERIAL, + .tempmon_irq = 24, +}; + +/****************************************************************************/ + +static const struct ddb_info ddb_s2_48 = { + .type = DDB_OCTOPUS_MAX, + .name = "Digital Devices MAX S8 4/8", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x01, + .board_control = 1, + .tempmon_irq = 24, +}; + +static const struct ddb_info ddb_s2x_48 = { + .type = DDB_OCTOPUS_MCI, + .name = "Digital Devices MAX SX8", + .regmap = &octopus_map, + .port_num = 4, + .i2c_mask = 0x00, + .tempmon_irq = 24, + .mci_ports = 4, + .mci_type = 0, +}; + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +#define DDB_DEVID(_device, _subdevice, _info) { \ + .vendor = DDVID, \ + .device = _device, \ + .subvendor = DDVID, \ + .subdevice = _subdevice, \ + .info = &_info } + +static const struct ddb_device_id ddb_device_ids[] = { + /* PCIe devices */ + DDB_DEVID(0x0002, 0x0001, ddb_octopus), + DDB_DEVID(0x0003, 0x0001, ddb_octopus), + DDB_DEVID(0x0005, 0x0004, ddb_octopusv3), + DDB_DEVID(0x0003, 0x0002, ddb_octopus_le), + DDB_DEVID(0x0003, 0x0003, ddb_octopus_oem), + DDB_DEVID(0x0003, 0x0010, ddb_octopus_mini), + DDB_DEVID(0x0005, 0x0011, ddb_octopus_mini), + DDB_DEVID(0x0003, 0x0020, ddb_v6), + DDB_DEVID(0x0003, 0x0021, ddb_v6_5), + DDB_DEVID(0x0006, 0x0022, ddb_v7), + DDB_DEVID(0x0006, 0x0024, ddb_v7a), + DDB_DEVID(0x0003, 0x0030, ddb_dvbct), + DDB_DEVID(0x0003, 0xdb03, ddb_satixs2v3), + DDB_DEVID(0x0006, 0x0031, ddb_ctv7), + DDB_DEVID(0x0006, 0x0032, ddb_ctv7), + DDB_DEVID(0x0006, 0x0033, ddb_ctv7), + DDB_DEVID(0x0007, 0x0023, ddb_s2_48), + DDB_DEVID(0x0008, 0x0034, ddb_ct2_8), + DDB_DEVID(0x0008, 0x0035, ddb_c2t2_8), + DDB_DEVID(0x0008, 0x0036, ddb_isdbt_8), + DDB_DEVID(0x0008, 0x0037, ddb_c2t2i_v0_8), + DDB_DEVID(0x0008, 0x0038, ddb_c2t2i_8), + DDB_DEVID(0x0009, 0x0025, ddb_s2x_48), + DDB_DEVID(0x0006, 0x0039, ddb_ctv7), + DDB_DEVID(0x0011, 0x0040, ddb_ci), + DDB_DEVID(0x0011, 0x0041, ddb_cis), + DDB_DEVID(0x0012, 0x0042, ddb_ci), + DDB_DEVID(0x0013, 0x0043, ddb_ci_s2_pro), + DDB_DEVID(0x0013, 0x0044, ddb_ci_s2_pro_a), +}; + +/****************************************************************************/ + +const struct ddb_info *get_ddb_info(u16 vendor, u16 device, + u16 subvendor, u16 subdevice) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ddb_device_ids); i++) { + const struct ddb_device_id *id = &ddb_device_ids[i]; + + if (vendor == id->vendor && + device == id->device && + subvendor == id->subvendor && + (subdevice == id->subdevice || + id->subdevice == 0xffff)) + return id->info; + } + + return &ddb_none; +} diff --git a/drivers/media/pci/ddbridge/ddbridge-hw.h b/drivers/media/pci/ddbridge/ddbridge-hw.h new file mode 100644 index 000000000..934f296f4 --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-hw.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * ddbridge-hw.h: Digital Devices bridge hardware maps + * + * Copyright (C) 2010-2017 Digital Devices GmbH + * Ralph Metzler <rjkm@metzlerbros.de> + * Marcus Metzler <mocm@metzlerbros.de> + */ + +#ifndef _DDBRIDGE_HW_H_ +#define _DDBRIDGE_HW_H_ + +#include "ddbridge.h" + +/******************************************************************************/ + +#define DDVID 0xdd01 /* Digital Devices Vendor ID */ + +/******************************************************************************/ + +struct ddb_device_id { + u16 vendor; + u16 device; + u16 subvendor; + u16 subdevice; + const struct ddb_info *info; +}; + +/******************************************************************************/ + +const struct ddb_info *get_ddb_info(u16 vendor, u16 device, + u16 subvendor, u16 subdevice); + +#endif /* _DDBRIDGE_HW_H_ */ diff --git a/drivers/media/pci/ddbridge/ddbridge-i2c.c b/drivers/media/pci/ddbridge/ddbridge-i2c.c new file mode 100644 index 000000000..c894be180 --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-i2c.c @@ -0,0 +1,225 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * ddbridge-i2c.c: Digital Devices bridge i2c driver + * + * Copyright (C) 2010-2017 Digital Devices GmbH + * Ralph Metzler <rjkm@metzlerbros.de> + * Marcus Metzler <mocm@metzlerbros.de> + */ + +#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-i2c.h" +#include "ddbridge-regs.h" +#include "ddbridge-io.h" + +/******************************************************************************/ + +static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd) +{ + struct ddb *dev = i2c->dev; + unsigned long stat; + u32 val; + + ddbwritel(dev, (adr << 9) | cmd, i2c->regs + I2C_COMMAND); + stat = wait_for_completion_timeout(&i2c->completion, HZ); + val = ddbreadl(dev, i2c->regs + I2C_COMMAND); + if (stat == 0) { + dev_err(dev->dev, "I2C timeout, card %d, port %d, link %u\n", + dev->nr, i2c->nr, i2c->link); + { + u32 istat = ddbreadl(dev, INTERRUPT_STATUS); + + dev_err(dev->dev, "DDBridge IRS %08x\n", istat); + if (i2c->link) { + u32 listat = ddbreadl(dev, + DDB_LINK_TAG(i2c->link) | + INTERRUPT_STATUS); + + dev_err(dev->dev, "DDBridge link %u IRS %08x\n", + i2c->link, listat); + } + if (istat & 1) { + ddbwritel(dev, istat & 1, INTERRUPT_ACK); + } else { + u32 mon = ddbreadl(dev, + i2c->regs + I2C_MONITOR); + + dev_err(dev->dev, "I2C cmd=%08x mon=%08x\n", + val, mon); + } + } + return -EIO; + } + val &= 0x70000; + if (val == 0x20000) + dev_err(dev->dev, "I2C bus error\n"); + if (val) + return -EIO; + return 0; +} + +static int ddb_i2c_master_xfer(struct i2c_adapter *adapter, + struct i2c_msg msg[], int num) +{ + struct ddb_i2c *i2c = (struct ddb_i2c *)i2c_get_adapdata(adapter); + struct ddb *dev = i2c->dev; + u8 addr = 0; + + addr = msg[0].addr; + if (msg[0].len > i2c->bsize) + return -EIO; + switch (num) { + case 1: + if (msg[0].flags & I2C_M_RD) { + ddbwritel(dev, msg[0].len << 16, + i2c->regs + I2C_TASKLENGTH); + if (ddb_i2c_cmd(i2c, addr, 3)) + break; + ddbcpyfrom(dev, msg[0].buf, + i2c->rbuf, msg[0].len); + return num; + } + ddbcpyto(dev, i2c->wbuf, msg[0].buf, msg[0].len); + ddbwritel(dev, msg[0].len, i2c->regs + I2C_TASKLENGTH); + if (ddb_i2c_cmd(i2c, addr, 2)) + break; + return num; + case 2: + if ((msg[0].flags & I2C_M_RD) == I2C_M_RD) + break; + if ((msg[1].flags & I2C_M_RD) != I2C_M_RD) + break; + if (msg[1].len > i2c->bsize) + break; + ddbcpyto(dev, i2c->wbuf, msg[0].buf, msg[0].len); + ddbwritel(dev, msg[0].len | (msg[1].len << 16), + i2c->regs + I2C_TASKLENGTH); + if (ddb_i2c_cmd(i2c, addr, 1)) + break; + ddbcpyfrom(dev, msg[1].buf, + i2c->rbuf, + msg[1].len); + return num; + default: + break; + } + return -EIO; +} + +static u32 ddb_i2c_functionality(struct i2c_adapter *adap) +{ + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; +} + +static const struct i2c_algorithm ddb_i2c_algo = { + .master_xfer = ddb_i2c_master_xfer, + .functionality = ddb_i2c_functionality, +}; + +void ddb_i2c_release(struct ddb *dev) +{ + int i; + struct ddb_i2c *i2c; + + for (i = 0; i < dev->i2c_num; i++) { + i2c = &dev->i2c[i]; + i2c_del_adapter(&i2c->adap); + } +} + +static void i2c_handler(void *priv) +{ + struct ddb_i2c *i2c = (struct ddb_i2c *)priv; + + complete(&i2c->completion); +} + +static int ddb_i2c_add(struct ddb *dev, struct ddb_i2c *i2c, + const struct ddb_regmap *regmap, int link, + int i, int num) +{ + struct i2c_adapter *adap; + + i2c->nr = i; + i2c->dev = dev; + i2c->link = link; + i2c->bsize = regmap->i2c_buf->size; + i2c->wbuf = DDB_LINK_TAG(link) | + (regmap->i2c_buf->base + i2c->bsize * i); + i2c->rbuf = i2c->wbuf; /* + i2c->bsize / 2 */ + i2c->regs = DDB_LINK_TAG(link) | + (regmap->i2c->base + regmap->i2c->size * i); + ddbwritel(dev, I2C_SPEED_100, i2c->regs + I2C_TIMING); + ddbwritel(dev, ((i2c->rbuf & 0xffff) << 16) | (i2c->wbuf & 0xffff), + i2c->regs + I2C_TASKADDRESS); + init_completion(&i2c->completion); + + adap = &i2c->adap; + i2c_set_adapdata(adap, i2c); +#ifdef I2C_ADAP_CLASS_TV_DIGITAL + adap->class = I2C_ADAP_CLASS_TV_DIGITAL | I2C_CLASS_TV_ANALOG; +#else +#ifdef I2C_CLASS_TV_ANALOG + adap->class = I2C_CLASS_TV_ANALOG; +#endif +#endif + snprintf(adap->name, I2C_NAME_SIZE, "ddbridge_%02x.%x.%x", + dev->nr, i2c->link, i); + adap->algo = &ddb_i2c_algo; + adap->algo_data = (void *)i2c; + adap->dev.parent = dev->dev; + return i2c_add_adapter(adap); +} + +int ddb_i2c_init(struct ddb *dev) +{ + int stat = 0; + u32 i, j, num = 0, l, base; + struct ddb_i2c *i2c; + struct i2c_adapter *adap; + const struct ddb_regmap *regmap; + + for (l = 0; l < DDB_MAX_LINK; l++) { + if (!dev->link[l].info) + continue; + regmap = dev->link[l].info->regmap; + if (!regmap || !regmap->i2c) + continue; + base = regmap->irq_base_i2c; + for (i = 0; i < regmap->i2c->num; i++) { + if (!(dev->link[l].info->i2c_mask & (1 << i))) + continue; + i2c = &dev->i2c[num]; + ddb_irq_set(dev, l, i + base, i2c_handler, i2c); + stat = ddb_i2c_add(dev, i2c, regmap, l, i, num); + if (stat) + break; + num++; + } + } + if (stat) { + for (j = 0; j < num; j++) { + i2c = &dev->i2c[j]; + adap = &i2c->adap; + i2c_del_adapter(adap); + } + } else { + dev->i2c_num = num; + } + + return stat; +} diff --git a/drivers/media/pci/ddbridge/ddbridge-i2c.h b/drivers/media/pci/ddbridge/ddbridge-i2c.h new file mode 100644 index 000000000..48555d41a --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-i2c.h @@ -0,0 +1,103 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * ddbridge-i2c.h: Digital Devices bridge i2c driver + * + * Copyright (C) 2010-2017 Digital Devices GmbH + * Ralph Metzler <rjkm@metzlerbros.de> + * Marcus Metzler <mocm@metzlerbros.de> + */ + +#ifndef __DDBRIDGE_I2C_H__ +#define __DDBRIDGE_I2C_H__ + +#include <linux/i2c.h> + +#include "ddbridge.h" + +/******************************************************************************/ + +void ddb_i2c_release(struct ddb *dev); +int ddb_i2c_init(struct ddb *dev); + +/******************************************************************************/ + +static int __maybe_unused i2c_io(struct i2c_adapter *adapter, u8 adr, + u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen) +{ + struct i2c_msg msgs[2] = { { .addr = adr, .flags = 0, + .buf = wbuf, .len = wlen }, + { .addr = adr, .flags = I2C_M_RD, + .buf = rbuf, .len = rlen } }; + + return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1; +} + +static int __maybe_unused i2c_write(struct i2c_adapter *adap, u8 adr, + u8 *data, int len) +{ + struct i2c_msg msg = { .addr = adr, .flags = 0, + .buf = data, .len = len }; + + return (i2c_transfer(adap, &msg, 1) == 1) ? 0 : -1; +} + +static int __maybe_unused i2c_read(struct i2c_adapter *adapter, u8 adr, u8 *val) +{ + struct i2c_msg msgs[1] = { { .addr = adr, .flags = I2C_M_RD, + .buf = val, .len = 1 } }; + + return (i2c_transfer(adapter, msgs, 1) == 1) ? 0 : -1; +} + +static int __maybe_unused i2c_read_regs(struct i2c_adapter *adapter, + u8 adr, u8 reg, u8 *val, u8 len) +{ + struct i2c_msg msgs[2] = { { .addr = adr, .flags = 0, + .buf = ®, .len = 1 }, + { .addr = adr, .flags = I2C_M_RD, + .buf = val, .len = len } }; + + return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1; +} + +static int __maybe_unused i2c_read_regs16(struct i2c_adapter *adapter, + u8 adr, u16 reg, u8 *val, u8 len) +{ + u8 msg[2] = { reg >> 8, reg & 0xff }; + struct i2c_msg msgs[2] = { { .addr = adr, .flags = 0, + .buf = msg, .len = 2 }, + { .addr = adr, .flags = I2C_M_RD, + .buf = val, .len = len } }; + + return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1; +} + +static int __maybe_unused i2c_write_reg16(struct i2c_adapter *adap, + u8 adr, u16 reg, u8 val) +{ + u8 msg[3] = { reg >> 8, reg & 0xff, val }; + + return i2c_write(adap, adr, msg, 3); +} + +static int __maybe_unused i2c_write_reg(struct i2c_adapter *adap, + u8 adr, u8 reg, u8 val) +{ + u8 msg[2] = { reg, val }; + + return i2c_write(adap, adr, msg, 2); +} + +static int __maybe_unused i2c_read_reg16(struct i2c_adapter *adapter, + u8 adr, u16 reg, u8 *val) +{ + return i2c_read_regs16(adapter, adr, reg, val, 1); +} + +static int __maybe_unused i2c_read_reg(struct i2c_adapter *adapter, + u8 adr, u8 reg, u8 *val) +{ + return i2c_read_regs(adapter, adr, reg, val, 1); +} + +#endif /* __DDBRIDGE_I2C_H__ */ diff --git a/drivers/media/pci/ddbridge/ddbridge-io.h b/drivers/media/pci/ddbridge/ddbridge-io.h new file mode 100644 index 000000000..991246cec --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-io.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * ddbridge-io.h: Digital Devices bridge I/O inline functions + * + * Copyright (C) 2010-2017 Digital Devices GmbH + * Ralph Metzler <rjkm@metzlerbros.de> + * Marcus Metzler <mocm@metzlerbros.de> + */ + +#ifndef __DDBRIDGE_IO_H__ +#define __DDBRIDGE_IO_H__ + +#include <linux/io.h> + +#include "ddbridge.h" + +/******************************************************************************/ + +static inline u32 ddblreadl(struct ddb_link *link, u32 adr) +{ + return readl(link->dev->regs + adr); +} + +static inline void ddblwritel(struct ddb_link *link, u32 val, u32 adr) +{ + writel(val, link->dev->regs + adr); +} + +static inline u32 ddbreadl(struct ddb *dev, u32 adr) +{ + return readl(dev->regs + adr); +} + +static inline void ddbwritel(struct ddb *dev, u32 val, u32 adr) +{ + writel(val, dev->regs + adr); +} + +static inline void ddbcpyto(struct ddb *dev, u32 adr, void *src, long count) +{ + memcpy_toio(dev->regs + adr, src, count); +} + +static inline void ddbcpyfrom(struct ddb *dev, void *dst, u32 adr, long count) +{ + memcpy_fromio(dst, dev->regs + adr, count); +} + +static inline u32 safe_ddbreadl(struct ddb *dev, u32 adr) +{ + u32 val = ddbreadl(dev, adr); + + /* (ddb)readl returns (uint)-1 (all bits set) on failure, catch that */ + if (val == ~0) { + dev_err(&dev->pdev->dev, "ddbreadl failure, adr=%08x\n", adr); + return 0; + } + + return val; +} + +#endif /* __DDBRIDGE_IO_H__ */ diff --git a/drivers/media/pci/ddbridge/ddbridge-main.c b/drivers/media/pci/ddbridge/ddbridge-main.c new file mode 100644 index 000000000..91733ab9f --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-main.c @@ -0,0 +1,313 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * ddbridge.c: Digital Devices PCIe bridge driver + * + * Copyright (C) 2010-2017 Digital Devices GmbH + * Ralph Metzler <rjkm@metzlerbros.de> + * Marcus Metzler <mocm@metzlerbros.de> + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#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-i2c.h" +#include "ddbridge-regs.h" +#include "ddbridge-hw.h" +#include "ddbridge-io.h" + +/****************************************************************************/ +/* module parameters */ + +#ifdef CONFIG_PCI_MSI +#ifdef CONFIG_DVB_DDBRIDGE_MSIENABLE +static int msi = 1; +#else +static int msi; +#endif +module_param(msi, int, 0444); +#ifdef CONFIG_DVB_DDBRIDGE_MSIENABLE +MODULE_PARM_DESC(msi, "Control MSI interrupts: 0-disable, 1-enable (default)"); +#else +MODULE_PARM_DESC(msi, "Control MSI interrupts: 0-disable (default), 1-enable"); +#endif +#endif + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +static void ddb_irq_disable(struct ddb *dev) +{ + ddbwritel(dev, 0, INTERRUPT_ENABLE); + ddbwritel(dev, 0, MSI1_ENABLE); +} + +static void ddb_msi_exit(struct ddb *dev) +{ +#ifdef CONFIG_PCI_MSI + if (dev->msi) + pci_free_irq_vectors(dev->pdev); +#endif +} + +static void ddb_irq_exit(struct ddb *dev) +{ + ddb_irq_disable(dev); + if (dev->msi == 2) + free_irq(pci_irq_vector(dev->pdev, 1), dev); + free_irq(pci_irq_vector(dev->pdev, 0), dev); +} + +static void ddb_remove(struct pci_dev *pdev) +{ + struct ddb *dev = (struct ddb *)pci_get_drvdata(pdev); + + ddb_device_destroy(dev); + ddb_ports_detach(dev); + ddb_i2c_release(dev); + + ddb_irq_exit(dev); + ddb_msi_exit(dev); + ddb_ports_release(dev); + ddb_buffers_free(dev); + + ddb_unmap(dev); + pci_set_drvdata(pdev, NULL); + pci_disable_device(pdev); +} + +#ifdef CONFIG_PCI_MSI +static void ddb_irq_msi(struct ddb *dev, int nr) +{ + int stat; + + if (msi && pci_msi_enabled()) { + stat = pci_alloc_irq_vectors(dev->pdev, 1, nr, + PCI_IRQ_MSI | PCI_IRQ_MSIX); + if (stat >= 1) { + dev->msi = stat; + dev_info(dev->dev, "using %d MSI interrupt(s)\n", + dev->msi); + } else { + dev_info(dev->dev, "MSI not available.\n"); + } + } +} +#endif + +static int ddb_irq_init(struct ddb *dev) +{ + int stat; + int irq_flag = IRQF_SHARED; + + ddbwritel(dev, 0x00000000, INTERRUPT_ENABLE); + ddbwritel(dev, 0x00000000, MSI1_ENABLE); + ddbwritel(dev, 0x00000000, MSI2_ENABLE); + ddbwritel(dev, 0x00000000, MSI3_ENABLE); + ddbwritel(dev, 0x00000000, MSI4_ENABLE); + ddbwritel(dev, 0x00000000, MSI5_ENABLE); + ddbwritel(dev, 0x00000000, MSI6_ENABLE); + ddbwritel(dev, 0x00000000, MSI7_ENABLE); + +#ifdef CONFIG_PCI_MSI + ddb_irq_msi(dev, 2); + + if (dev->msi) + irq_flag = 0; + if (dev->msi == 2) { + stat = request_irq(pci_irq_vector(dev->pdev, 0), + ddb_irq_handler0, irq_flag, "ddbridge", + (void *)dev); + if (stat < 0) + return stat; + stat = request_irq(pci_irq_vector(dev->pdev, 1), + ddb_irq_handler1, irq_flag, "ddbridge", + (void *)dev); + if (stat < 0) { + free_irq(pci_irq_vector(dev->pdev, 0), dev); + return stat; + } + } else +#endif + { + stat = request_irq(pci_irq_vector(dev->pdev, 0), + ddb_irq_handler, irq_flag, "ddbridge", + (void *)dev); + if (stat < 0) + return stat; + } + if (dev->msi == 2) { + ddbwritel(dev, 0x0fffff00, INTERRUPT_ENABLE); + ddbwritel(dev, 0x0000000f, MSI1_ENABLE); + } else { + ddbwritel(dev, 0x0fffff0f, INTERRUPT_ENABLE); + ddbwritel(dev, 0x00000000, MSI1_ENABLE); + } + return stat; +} + +static int ddb_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + struct ddb *dev; + int stat = 0; + + if (pci_enable_device(pdev) < 0) + return -ENODEV; + + pci_set_master(pdev); + + if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) + if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) + return -ENODEV; + + dev = vzalloc(sizeof(*dev)); + if (!dev) + return -ENOMEM; + + mutex_init(&dev->mutex); + dev->has_dma = 1; + dev->pdev = pdev; + dev->dev = &pdev->dev; + pci_set_drvdata(pdev, dev); + + dev->link[0].ids.vendor = id->vendor; + dev->link[0].ids.device = id->device; + dev->link[0].ids.subvendor = id->subvendor; + dev->link[0].ids.subdevice = pdev->subsystem_device; + dev->link[0].ids.devid = (id->device << 16) | id->vendor; + + dev->link[0].dev = dev; + dev->link[0].info = get_ddb_info(id->vendor, id->device, + id->subvendor, pdev->subsystem_device); + + dev_info(&pdev->dev, "detected %s\n", dev->link[0].info->name); + + dev->regs_len = pci_resource_len(dev->pdev, 0); + dev->regs = ioremap(pci_resource_start(dev->pdev, 0), + pci_resource_len(dev->pdev, 0)); + + if (!dev->regs) { + dev_err(&pdev->dev, "not enough memory for register map\n"); + stat = -ENOMEM; + goto fail; + } + if (ddbreadl(dev, 0) == 0xffffffff) { + dev_err(&pdev->dev, "cannot read registers\n"); + stat = -ENODEV; + goto fail; + } + + dev->link[0].ids.hwid = ddbreadl(dev, 0); + dev->link[0].ids.regmapid = ddbreadl(dev, 4); + + dev_info(&pdev->dev, "HW %08x REGMAP %08x\n", + dev->link[0].ids.hwid, dev->link[0].ids.regmapid); + + ddbwritel(dev, 0, DMA_BASE_READ); + ddbwritel(dev, 0, DMA_BASE_WRITE); + + stat = ddb_irq_init(dev); + if (stat < 0) + goto fail0; + + if (ddb_init(dev) == 0) + return 0; + + ddb_irq_exit(dev); +fail0: + dev_err(&pdev->dev, "fail0\n"); + ddb_msi_exit(dev); +fail: + dev_err(&pdev->dev, "fail\n"); + + ddb_unmap(dev); + pci_set_drvdata(pdev, NULL); + pci_disable_device(pdev); + return -1; +} + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +#define DDB_DEVICE_ANY(_device) \ + { PCI_DEVICE_SUB(DDVID, _device, DDVID, PCI_ANY_ID) } + +static const struct pci_device_id ddb_id_table[] = { + DDB_DEVICE_ANY(0x0002), + DDB_DEVICE_ANY(0x0003), + DDB_DEVICE_ANY(0x0005), + DDB_DEVICE_ANY(0x0006), + DDB_DEVICE_ANY(0x0007), + DDB_DEVICE_ANY(0x0008), + DDB_DEVICE_ANY(0x0009), + DDB_DEVICE_ANY(0x0011), + DDB_DEVICE_ANY(0x0012), + DDB_DEVICE_ANY(0x0013), + DDB_DEVICE_ANY(0x0201), + DDB_DEVICE_ANY(0x0203), + DDB_DEVICE_ANY(0x0210), + DDB_DEVICE_ANY(0x0220), + DDB_DEVICE_ANY(0x0320), + DDB_DEVICE_ANY(0x0321), + DDB_DEVICE_ANY(0x0322), + DDB_DEVICE_ANY(0x0323), + DDB_DEVICE_ANY(0x0328), + DDB_DEVICE_ANY(0x0329), + {0} +}; + +MODULE_DEVICE_TABLE(pci, ddb_id_table); + +static struct pci_driver ddb_pci_driver = { + .name = "ddbridge", + .id_table = ddb_id_table, + .probe = ddb_probe, + .remove = ddb_remove, +}; + +static __init int module_init_ddbridge(void) +{ + int stat; + + pr_info("Digital Devices PCIE bridge driver " + DDBRIDGE_VERSION + ", Copyright (C) 2010-17 Digital Devices GmbH\n"); + stat = ddb_init_ddbridge(); + if (stat < 0) + return stat; + stat = pci_register_driver(&ddb_pci_driver); + if (stat < 0) + ddb_exit_ddbridge(0, stat); + + return stat; +} + +static __exit void module_exit_ddbridge(void) +{ + pci_unregister_driver(&ddb_pci_driver); + ddb_exit_ddbridge(0, 0); +} + +module_init(module_init_ddbridge); +module_exit(module_exit_ddbridge); + +MODULE_DESCRIPTION("Digital Devices PCIe Bridge"); +MODULE_AUTHOR("Ralph and Marcus Metzler, Metzler Brothers Systementwicklung GbR"); +MODULE_LICENSE("GPL v2"); +MODULE_VERSION(DDBRIDGE_VERSION); diff --git a/drivers/media/pci/ddbridge/ddbridge-max.c b/drivers/media/pci/ddbridge/ddbridge-max.c new file mode 100644 index 000000000..0582b86bb --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-max.c @@ -0,0 +1,495 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * 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> + */ + +#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; +} diff --git a/drivers/media/pci/ddbridge/ddbridge-max.h b/drivers/media/pci/ddbridge/ddbridge-max.h new file mode 100644 index 000000000..da1553fe8 --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-max.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * ddbridge-max.h: Digital Devices bridge MAX card support + * + * Copyright (C) 2010-2017 Digital Devices GmbH + * Ralph Metzler <rjkm@metzlerbros.de> + * Marcus Metzler <mocm@metzlerbros.de> + */ + +#ifndef _DDBRIDGE_MAX_H_ +#define _DDBRIDGE_MAX_H_ + +#include "ddbridge.h" + +/******************************************************************************/ + +int ddb_lnb_init_fmode(struct ddb *dev, struct ddb_link *link, u32 fm); +int ddb_fe_attach_mxl5xx(struct ddb_input *input); +int ddb_fe_attach_mci(struct ddb_input *input, u32 type); + +#endif /* _DDBRIDGE_MAX_H_ */ diff --git a/drivers/media/pci/ddbridge/ddbridge-mci.c b/drivers/media/pci/ddbridge/ddbridge-mci.c new file mode 100644 index 000000000..a006cb0fa --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-mci.c @@ -0,0 +1,169 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * ddbridge-mci.c: Digital Devices microcode interface + * + * Copyright (C) 2017-2018 Digital Devices GmbH + * Ralph Metzler <rjkm@metzlerbros.de> + * Marcus Metzler <mocm@metzlerbros.de> + */ + +#include "ddbridge.h" +#include "ddbridge-io.h" +#include "ddbridge-mci.h" + +static LIST_HEAD(mci_list); + +static int mci_reset(struct mci *state) +{ + struct ddb_link *link = state->base->link; + u32 status = 0; + u32 timeout = 40; + + ddblwritel(link, MCI_CONTROL_RESET, MCI_CONTROL); + ddblwritel(link, 0, MCI_CONTROL + 4); /* 1= no internal init */ + msleep(300); + ddblwritel(link, 0, MCI_CONTROL); + + while (1) { + status = ddblreadl(link, MCI_CONTROL); + if ((status & MCI_CONTROL_READY) == MCI_CONTROL_READY) + break; + if (--timeout == 0) + break; + msleep(50); + } + if ((status & MCI_CONTROL_READY) == 0) + return -1; + if (link->ids.device == 0x0009) + ddblwritel(link, SX8_TSCONFIG_MODE_NORMAL, SX8_TSCONFIG); + return 0; +} + +int ddb_mci_config(struct mci *state, u32 config) +{ + struct ddb_link *link = state->base->link; + + if (link->ids.device != 0x0009) + return -EINVAL; + ddblwritel(link, config, SX8_TSCONFIG); + return 0; +} + +static int _mci_cmd_unlocked(struct mci *state, + u32 *cmd, u32 cmd_len, + u32 *res, u32 res_len) +{ + struct ddb_link *link = state->base->link; + u32 i, val; + unsigned long stat; + + val = ddblreadl(link, MCI_CONTROL); + if (val & (MCI_CONTROL_RESET | MCI_CONTROL_START_COMMAND)) + return -EIO; + if (cmd && cmd_len) + for (i = 0; i < cmd_len; i++) + ddblwritel(link, cmd[i], MCI_COMMAND + i * 4); + val |= (MCI_CONTROL_START_COMMAND | MCI_CONTROL_ENABLE_DONE_INTERRUPT); + ddblwritel(link, val, MCI_CONTROL); + + stat = wait_for_completion_timeout(&state->base->completion, HZ); + if (stat == 0) { + dev_warn(state->base->dev, "MCI-%d: MCI timeout\n", state->nr); + return -EIO; + } + if (res && res_len) + for (i = 0; i < res_len; i++) + res[i] = ddblreadl(link, MCI_RESULT + i * 4); + return 0; +} + +int ddb_mci_cmd(struct mci *state, + struct mci_command *command, + struct mci_result *result) +{ + int stat; + + mutex_lock(&state->base->mci_lock); + stat = _mci_cmd_unlocked(state, + (u32 *)command, sizeof(*command) / sizeof(u32), + (u32 *)result, sizeof(*result) / sizeof(u32)); + mutex_unlock(&state->base->mci_lock); + return stat; +} + +static void mci_handler(void *priv) +{ + struct mci_base *base = (struct mci_base *)priv; + + complete(&base->completion); +} + +static struct mci_base *match_base(void *key) +{ + struct mci_base *p; + + list_for_each_entry(p, &mci_list, mci_list) + if (p->key == key) + return p; + return NULL; +} + +static int probe(struct mci *state) +{ + mci_reset(state); + return 0; +} + +struct dvb_frontend +*ddb_mci_attach(struct ddb_input *input, struct mci_cfg *cfg, int nr, + int (**fn_set_input)(struct dvb_frontend *fe, int input)) +{ + struct ddb_port *port = input->port; + struct ddb *dev = port->dev; + struct ddb_link *link = &dev->link[port->lnr]; + struct mci_base *base; + struct mci *state; + void *key = cfg->type ? (void *)port : (void *)link; + + state = kzalloc(cfg->state_size, GFP_KERNEL); + if (!state) + return NULL; + + base = match_base(key); + if (base) { + base->count++; + state->base = base; + } else { + base = kzalloc(cfg->base_size, GFP_KERNEL); + if (!base) + goto fail; + base->key = key; + base->count = 1; + base->link = link; + base->dev = dev->dev; + mutex_init(&base->mci_lock); + mutex_init(&base->tuner_lock); + ddb_irq_set(dev, link->nr, 0, mci_handler, base); + init_completion(&base->completion); + state->base = base; + if (probe(state) < 0) { + kfree(base); + goto fail; + } + list_add(&base->mci_list, &mci_list); + if (cfg->base_init) + cfg->base_init(base); + } + memcpy(&state->fe.ops, cfg->fe_ops, sizeof(struct dvb_frontend_ops)); + state->fe.demodulator_priv = state; + state->nr = nr; + *fn_set_input = cfg->set_input; + state->tuner = nr; + state->demod = nr; + if (cfg->init) + cfg->init(state); + return &state->fe; +fail: + kfree(state); + return NULL; +} diff --git a/drivers/media/pci/ddbridge/ddbridge-mci.h b/drivers/media/pci/ddbridge/ddbridge-mci.h new file mode 100644 index 000000000..d9799fbf5 --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-mci.h @@ -0,0 +1,253 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * ddbridge-mci.h: Digital Devices micro code interface + * + * Copyright (C) 2017-2018 Digital Devices GmbH + * Marcus Metzler <mocm@metzlerbros.de> + * Ralph Metzler <rjkm@metzlerbros.de> + */ + +#ifndef _DDBRIDGE_MCI_H_ +#define _DDBRIDGE_MCI_H_ + +#define MCI_DEMOD_MAX 8 +#define MCI_TUNER_MAX 4 +#define DEMOD_UNUSED (0xFF) + +#define MCI_CONTROL (0x500) +#define MCI_COMMAND (0x600) +#define MCI_RESULT (0x680) + +#define MCI_COMMAND_SIZE (0x80) +#define MCI_RESULT_SIZE (0x80) + +#define MCI_CONTROL_START_COMMAND (0x00000001) +#define MCI_CONTROL_ENABLE_DONE_INTERRUPT (0x00000002) +#define MCI_CONTROL_RESET (0x00008000) +#define MCI_CONTROL_READY (0x00010000) + +#define SX8_TSCONFIG (0x280) + +#define SX8_TSCONFIG_MODE_MASK (0x00000003) +#define SX8_TSCONFIG_MODE_OFF (0x00000000) +#define SX8_TSCONFIG_MODE_NORMAL (0x00000001) +#define SX8_TSCONFIG_MODE_IQ (0x00000003) + +/* + * IQMode is only available on MaxSX8 on a single tuner + * + * IQ_MODE_SAMPLES + * sampling rate is 1550/24 MHz (64.583 MHz) + * channel agc is frozen, to allow stitching the FFT results together + * + * IQ_MODE_VTM + * sampling rate is the supplied symbolrate + * channel agc is active + * + * in both cases down sampling is done with a RRC Filter (currently fixed to + * alpha = 0.05) which causes some (ca 5%) aliasing at the edges from + * outside the spectrum + */ + +#define SX8_TSCONFIG_TSHEADER (0x00000004) +#define SX8_TSCONFIG_BURST (0x00000008) + +#define SX8_TSCONFIG_BURSTSIZE_MASK (0x00000030) +#define SX8_TSCONFIG_BURSTSIZE_2K (0x00000000) +#define SX8_TSCONFIG_BURSTSIZE_4K (0x00000010) +#define SX8_TSCONFIG_BURSTSIZE_8K (0x00000020) +#define SX8_TSCONFIG_BURSTSIZE_16K (0x00000030) + +#define SX8_DEMOD_STOPPED (0) +#define SX8_DEMOD_IQ_MODE (1) +#define SX8_DEMOD_WAIT_SIGNAL (2) +#define SX8_DEMOD_WAIT_MATYPE (3) +#define SX8_DEMOD_TIMEOUT (14) +#define SX8_DEMOD_LOCKED (15) + +#define MCI_CMD_STOP (0x01) +#define MCI_CMD_GETSTATUS (0x02) +#define MCI_CMD_GETSIGNALINFO (0x03) +#define MCI_CMD_RFPOWER (0x04) + +#define MCI_CMD_SEARCH_DVBS (0x10) + +#define MCI_CMD_GET_IQSYMBOL (0x30) + +#define SX8_CMD_INPUT_ENABLE (0x40) +#define SX8_CMD_INPUT_DISABLE (0x41) +#define SX8_CMD_START_IQ (0x42) +#define SX8_CMD_STOP_IQ (0x43) +#define SX8_CMD_ENABLE_IQOUTPUT (0x44) +#define SX8_CMD_DISABLE_IQOUTPUT (0x45) + +#define MCI_STATUS_OK (0x00) +#define MCI_STATUS_UNSUPPORTED (0x80) +#define MCI_STATUS_RETRY (0xFD) +#define MCI_STATUS_NOT_READY (0xFE) +#define MCI_STATUS_ERROR (0xFF) + +#define MCI_SUCCESS(status) ((status & MCI_STATUS_UNSUPPORTED) == 0) + +struct mci_command { + union { + u32 command_word; + struct { + u8 command; + u8 tuner; + u8 demod; + u8 output; + }; + }; + union { + u32 params[31]; + struct { + /* + * Bit 0: DVB-S Enabled + * Bit 1: DVB-S2 Enabled + * Bit 7: InputStreamID + */ + u8 flags; + /* + * Bit 0: QPSK, + * Bit 1: 8PSK/8APSK + * Bit 2: 16APSK + * Bit 3: 32APSK + * Bit 4: 64APSK + * Bit 5: 128APSK + * Bit 6: 256APSK + */ + u8 s2_modulation_mask; + u8 rsvd1; + u8 retry; + u32 frequency; + u32 symbol_rate; + u8 input_stream_id; + u8 rsvd2[3]; + u32 scrambling_sequence_index; + u32 frequency_range; + } dvbs2_search; + + struct { + u8 tap; + u8 rsvd; + u16 point; + } get_iq_symbol; + + struct { + /* + * Bit 0: 0=VTM/1=SCAN + * Bit 1: Set Gain + */ + u8 flags; + u8 roll_off; + u8 rsvd1; + u8 rsvd2; + u32 frequency; + u32 symbol_rate; /* Only in VTM mode */ + u16 gain; + } sx8_start_iq; + + struct { + /* + * Bit 1:0 = STVVGLNA Gain. + * 0 = AGC, 1 = 0dB, 2 = Minimum, 3 = Maximum + */ + u8 flags; + } sx8_input_enable; + }; +}; + +struct mci_result { + union { + u32 status_word; + struct { + u8 status; + u8 mode; + u16 time; + }; + }; + union { + u32 result[27]; + struct { + /* 1 = DVB-S, 2 = DVB-S2X */ + u8 standard; + /* puncture rate for DVB-S */ + u8 pls_code; + /* 2-0: rolloff */ + u8 roll_off; + u8 rsvd; + /* actual frequency in Hz */ + u32 frequency; + /* actual symbolrate in Hz */ + u32 symbol_rate; + /* channel power in dBm x 100 */ + s16 channel_power; + /* band power in dBm x 100 */ + s16 band_power; + /* + * SNR in dB x 100 + * Note: negative values are valid in DVB-S2 + */ + s16 signal_to_noise; + s16 rsvd2; + /* + * Counter for packet errors + * (set to 0 on start command) + */ + u32 packet_errors; + /* Bit error rate: PreRS in DVB-S, PreBCH in DVB-S2X */ + u32 ber_numerator; + u32 ber_denominator; + } dvbs2_signal_info; + + struct { + s16 i; + s16 q; + } iq_symbol; + }; + u32 version[4]; +}; + +struct mci_base { + struct list_head mci_list; + void *key; + struct ddb_link *link; + struct completion completion; + struct device *dev; + struct mutex tuner_lock; /* concurrent tuner access lock */ + struct mutex mci_lock; /* concurrent MCI access lock */ + int count; + int type; +}; + +struct mci { + struct mci_base *base; + struct dvb_frontend fe; + int nr; + int demod; + int tuner; +}; + +struct mci_cfg { + int type; + struct dvb_frontend_ops *fe_ops; + u32 base_size; + u32 state_size; + int (*init)(struct mci *mci); + int (*base_init)(struct mci_base *mci_base); + int (*set_input)(struct dvb_frontend *fe, int input); +}; + +/* defined in ddbridge-sx8.c */ +extern const struct mci_cfg ddb_max_sx8_cfg; + +int ddb_mci_cmd(struct mci *state, struct mci_command *command, + struct mci_result *result); +int ddb_mci_config(struct mci *state, u32 config); + +struct dvb_frontend +*ddb_mci_attach(struct ddb_input *input, struct mci_cfg *cfg, int nr, + int (**fn_set_input)(struct dvb_frontend *fe, int input)); + +#endif /* _DDBRIDGE_MCI_H_ */ diff --git a/drivers/media/pci/ddbridge/ddbridge-regs.h b/drivers/media/pci/ddbridge/ddbridge-regs.h new file mode 100644 index 000000000..42256fc96 --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-regs.h @@ -0,0 +1,140 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * ddbridge-regs.h: Digital Devices PCIe bridge driver + * + * Copyright (C) 2010-2017 Digital Devices GmbH + */ + +#ifndef __DDBRIDGE_REGS_H__ +#define __DDBRIDGE_REGS_H__ + +/* ------------------------------------------------------------------------- */ +/* SPI Controller */ + +#define SPI_CONTROL 0x10 +#define SPI_DATA 0x14 + +/* ------------------------------------------------------------------------- */ +/* GPIO */ + +#define GPIO_OUTPUT 0x20 +#define GPIO_INPUT 0x24 +#define GPIO_DIRECTION 0x28 + +/* ------------------------------------------------------------------------- */ + +#define BOARD_CONTROL 0x30 + +/* ------------------------------------------------------------------------- */ + +/* Interrupt controller + * How many MSI's are available depends on HW (Min 2 max 8) + * How many are usable also depends on Host platform + */ + +#define INTERRUPT_BASE (0x40) + +#define INTERRUPT_ENABLE (INTERRUPT_BASE + 0x00) +#define MSI1_ENABLE (INTERRUPT_BASE + 0x04) +#define MSI2_ENABLE (INTERRUPT_BASE + 0x08) +#define MSI3_ENABLE (INTERRUPT_BASE + 0x0C) +#define MSI4_ENABLE (INTERRUPT_BASE + 0x10) +#define MSI5_ENABLE (INTERRUPT_BASE + 0x14) +#define MSI6_ENABLE (INTERRUPT_BASE + 0x18) +#define MSI7_ENABLE (INTERRUPT_BASE + 0x1C) + +#define INTERRUPT_STATUS (INTERRUPT_BASE + 0x20) +#define INTERRUPT_ACK (INTERRUPT_BASE + 0x20) + +/* Temperature Monitor ( 2x LM75A @ 0x90,0x92 I2c ) */ +#define TEMPMON_BASE (0x1c0) +#define TEMPMON_CONTROL (TEMPMON_BASE + 0x00) + +#define TEMPMON_CONTROL_AUTOSCAN (0x00000002) +#define TEMPMON_CONTROL_INTENABLE (0x00000004) +#define TEMPMON_CONTROL_OVERTEMP (0x00008000) + +/* SHORT Temperature in Celsius x 256 */ +#define TEMPMON_SENSOR0 (TEMPMON_BASE + 0x04) +#define TEMPMON_SENSOR1 (TEMPMON_BASE + 0x08) + +#define TEMPMON_FANCONTROL (TEMPMON_BASE + 0x10) + +/* ------------------------------------------------------------------------- */ +/* I2C Master Controller */ + +#define I2C_COMMAND (0x00) +#define I2C_TIMING (0x04) +#define I2C_TASKLENGTH (0x08) /* High read, low write */ +#define I2C_TASKADDRESS (0x0C) /* High read, low write */ +#define I2C_MONITOR (0x1C) + +#define I2C_SPEED_400 (0x04030404) +#define I2C_SPEED_100 (0x13121313) + +/* ------------------------------------------------------------------------- */ +/* DMA Controller */ + +#define DMA_BASE_WRITE (0x100) +#define DMA_BASE_READ (0x140) + +#define TS_CONTROL(_io) ((_io)->regs + 0x00) +#define TS_CONTROL2(_io) ((_io)->regs + 0x04) + +/* ------------------------------------------------------------------------- */ +/* DMA Buffer */ + +#define DMA_BUFFER_CONTROL(_dma) ((_dma)->regs + 0x00) +#define DMA_BUFFER_ACK(_dma) ((_dma)->regs + 0x04) +#define DMA_BUFFER_CURRENT(_dma) ((_dma)->regs + 0x08) +#define DMA_BUFFER_SIZE(_dma) ((_dma)->regs + 0x0c) + +/* ------------------------------------------------------------------------- */ +/* CI Interface (only CI-Bridge) */ + +#define CI_BASE (0x400) +#define CI_CONTROL(i) (CI_BASE + (i) * 32 + 0x00) + +#define CI_DO_ATTRIBUTE_RW(i) (CI_BASE + (i) * 32 + 0x04) +#define CI_DO_IO_RW(i) (CI_BASE + (i) * 32 + 0x08) +#define CI_READDATA(i) (CI_BASE + (i) * 32 + 0x0c) +#define CI_DO_READ_ATTRIBUTES(i) (CI_BASE + (i) * 32 + 0x10) + +#define CI_RESET_CAM (0x00000001) +#define CI_POWER_ON (0x00000002) +#define CI_ENABLE (0x00000004) +#define CI_BYPASS_DISABLE (0x00000010) + +#define CI_CAM_READY (0x00010000) +#define CI_CAM_DETECT (0x00020000) +#define CI_READY (0x80000000) + +#define CI_READ_CMD (0x40000000) +#define CI_WRITE_CMD (0x80000000) + +#define CI_BUFFER_BASE (0x3000) +#define CI_BUFFER_SIZE (0x0800) + +#define CI_BUFFER(i) (CI_BUFFER_BASE + (i) * CI_BUFFER_SIZE) + +/* ------------------------------------------------------------------------- */ +/* LNB commands (mxl5xx / Max S8) */ + +#define LNB_BASE (0x400) +#define LNB_CONTROL(i) (LNB_BASE + (i) * 0x20 + 0x00) + +#define LNB_CMD (7ULL << 0) +#define LNB_CMD_NOP 0 +#define LNB_CMD_INIT 1 +#define LNB_CMD_LOW 3 +#define LNB_CMD_HIGH 4 +#define LNB_CMD_OFF 5 +#define LNB_CMD_DISEQC 6 + +#define LNB_BUSY BIT_ULL(4) +#define LNB_TONE BIT_ULL(15) + +#define LNB_BUF_LEVEL(i) (LNB_BASE + (i) * 0x20 + 0x10) +#define LNB_BUF_WRITE(i) (LNB_BASE + (i) * 0x20 + 0x14) + +#endif /* __DDBRIDGE_REGS_H__ */ diff --git a/drivers/media/pci/ddbridge/ddbridge-sx8.c b/drivers/media/pci/ddbridge/ddbridge-sx8.c new file mode 100644 index 000000000..c8de8d283 --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge-sx8.c @@ -0,0 +1,477 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * ddbridge-sx8.c: Digital Devices MAX SX8 driver + * + * Copyright (C) 2018 Digital Devices GmbH + * Marcus Metzler <mocm@metzlerbros.de> + * Ralph Metzler <rjkm@metzlerbros.de> + */ + +#include "ddbridge.h" +#include "ddbridge-io.h" +#include "ddbridge-mci.h" + +static const u32 MCLK = (1550000000 / 12); +static const u32 MAX_LDPC_BITRATE = (720000000); +static const u32 MAX_DEMOD_LDPC_BITRATE = (1550000000 / 6); + +#define SX8_TUNER_NUM 4 +#define SX8_DEMOD_NUM 8 +#define SX8_DEMOD_NONE 0xff + +struct sx8_base { + struct mci_base mci_base; + + u8 tuner_use_count[SX8_TUNER_NUM]; + u32 gain_mode[SX8_TUNER_NUM]; + + u32 used_ldpc_bitrate[SX8_DEMOD_NUM]; + u8 demod_in_use[SX8_DEMOD_NUM]; + u32 iq_mode; + u32 burst_size; + u32 direct_mode; +}; + +struct sx8 { + struct mci mci; + + int first_time_lock; + int started; + struct mci_result signal_info; + + u32 bb_mode; + u32 local_frequency; +}; + +static void release(struct dvb_frontend *fe) +{ + struct sx8 *state = fe->demodulator_priv; + struct mci_base *mci_base = state->mci.base; + + mci_base->count--; + if (mci_base->count == 0) { + list_del(&mci_base->mci_list); + kfree(mci_base); + } + kfree(state); +} + +static int get_info(struct dvb_frontend *fe) +{ + int stat; + struct sx8 *state = fe->demodulator_priv; + struct mci_command cmd; + + memset(&cmd, 0, sizeof(cmd)); + cmd.command = MCI_CMD_GETSIGNALINFO; + cmd.demod = state->mci.demod; + stat = ddb_mci_cmd(&state->mci, &cmd, &state->signal_info); + return stat; +} + +static int get_snr(struct dvb_frontend *fe) +{ + struct sx8 *state = fe->demodulator_priv; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + + p->cnr.len = 1; + p->cnr.stat[0].scale = FE_SCALE_DECIBEL; + p->cnr.stat[0].svalue = + (s64)state->signal_info.dvbs2_signal_info.signal_to_noise + * 10; + return 0; +} + +static int get_strength(struct dvb_frontend *fe) +{ + struct sx8 *state = fe->demodulator_priv; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + s32 str; + + str = 100000 - + (state->signal_info.dvbs2_signal_info.channel_power + * 10 + 108750); + p->strength.len = 1; + p->strength.stat[0].scale = FE_SCALE_DECIBEL; + p->strength.stat[0].svalue = str; + return 0; +} + +static int read_status(struct dvb_frontend *fe, enum fe_status *status) +{ + int stat; + struct sx8 *state = fe->demodulator_priv; + struct mci_command cmd; + struct mci_result res; + + cmd.command = MCI_CMD_GETSTATUS; + cmd.demod = state->mci.demod; + stat = ddb_mci_cmd(&state->mci, &cmd, &res); + if (stat) + return stat; + *status = 0x00; + get_info(fe); + get_strength(fe); + if (res.status == SX8_DEMOD_WAIT_MATYPE) + *status = 0x0f; + if (res.status == SX8_DEMOD_LOCKED) { + *status = 0x1f; + get_snr(fe); + } + return stat; +} + +static int mci_set_tuner(struct dvb_frontend *fe, u32 tuner, u32 on) +{ + struct sx8 *state = fe->demodulator_priv; + struct mci_base *mci_base = state->mci.base; + struct sx8_base *sx8_base = (struct sx8_base *)mci_base; + struct mci_command cmd; + + memset(&cmd, 0, sizeof(cmd)); + cmd.tuner = state->mci.tuner; + cmd.command = on ? SX8_CMD_INPUT_ENABLE : SX8_CMD_INPUT_DISABLE; + cmd.sx8_input_enable.flags = sx8_base->gain_mode[state->mci.tuner]; + return ddb_mci_cmd(&state->mci, &cmd, NULL); +} + +static int stop(struct dvb_frontend *fe) +{ + struct sx8 *state = fe->demodulator_priv; + struct mci_base *mci_base = state->mci.base; + struct sx8_base *sx8_base = (struct sx8_base *)mci_base; + struct mci_command cmd; + u32 input = state->mci.tuner; + + memset(&cmd, 0, sizeof(cmd)); + if (state->mci.demod != SX8_DEMOD_NONE) { + cmd.command = MCI_CMD_STOP; + cmd.demod = state->mci.demod; + ddb_mci_cmd(&state->mci, &cmd, NULL); + if (sx8_base->iq_mode) { + cmd.command = SX8_CMD_DISABLE_IQOUTPUT; + cmd.demod = state->mci.demod; + cmd.output = 0; + ddb_mci_cmd(&state->mci, &cmd, NULL); + ddb_mci_config(&state->mci, SX8_TSCONFIG_MODE_NORMAL); + } + } + mutex_lock(&mci_base->tuner_lock); + sx8_base->tuner_use_count[input]--; + if (!sx8_base->tuner_use_count[input]) + mci_set_tuner(fe, input, 0); + if (state->mci.demod < SX8_DEMOD_NUM) { + sx8_base->demod_in_use[state->mci.demod] = 0; + state->mci.demod = SX8_DEMOD_NONE; + } + sx8_base->used_ldpc_bitrate[state->mci.nr] = 0; + sx8_base->iq_mode = 0; + mutex_unlock(&mci_base->tuner_lock); + state->started = 0; + return 0; +} + +static int start(struct dvb_frontend *fe, u32 flags, u32 modmask, u32 ts_config) +{ + struct sx8 *state = fe->demodulator_priv; + struct mci_base *mci_base = state->mci.base; + struct sx8_base *sx8_base = (struct sx8_base *)mci_base; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + u32 used_ldpc_bitrate = 0, free_ldpc_bitrate; + u32 used_demods = 0; + struct mci_command cmd; + u32 input = state->mci.tuner; + u32 bits_per_symbol = 0; + int i = -1, stat = 0; + + if (p->symbol_rate >= (MCLK / 2)) + flags &= ~1; + if ((flags & 3) == 0) + return -EINVAL; + + if (flags & 2) { + u32 tmp = modmask; + + bits_per_symbol = 1; + while (tmp & 1) { + tmp >>= 1; + bits_per_symbol++; + } + } + + mutex_lock(&mci_base->tuner_lock); + if (sx8_base->iq_mode) { + stat = -EBUSY; + goto unlock; + } + + if (sx8_base->direct_mode) { + if (p->symbol_rate >= MCLK / 2) { + if (state->mci.nr < 4) + i = state->mci.nr; + } else { + i = state->mci.nr; + } + } else { + for (i = 0; i < SX8_DEMOD_NUM; i++) { + used_ldpc_bitrate += sx8_base->used_ldpc_bitrate[i]; + if (sx8_base->demod_in_use[i]) + used_demods++; + } + if (used_ldpc_bitrate >= MAX_LDPC_BITRATE || + ((ts_config & SX8_TSCONFIG_MODE_MASK) > + SX8_TSCONFIG_MODE_NORMAL && used_demods > 0)) { + stat = -EBUSY; + goto unlock; + } + free_ldpc_bitrate = MAX_LDPC_BITRATE - used_ldpc_bitrate; + if (free_ldpc_bitrate > MAX_DEMOD_LDPC_BITRATE) + free_ldpc_bitrate = MAX_DEMOD_LDPC_BITRATE; + + while (p->symbol_rate * bits_per_symbol > free_ldpc_bitrate) + bits_per_symbol--; + if (bits_per_symbol < 2) { + stat = -EBUSY; + goto unlock; + } + + modmask &= ((1 << (bits_per_symbol - 1)) - 1); + if (((flags & 0x02) != 0) && modmask == 0) { + stat = -EBUSY; + goto unlock; + } + + i = (p->symbol_rate > (MCLK / 2)) ? 3 : 7; + while (i >= 0 && sx8_base->demod_in_use[i]) + i--; + } + + if (i < 0) { + stat = -EBUSY; + goto unlock; + } + sx8_base->demod_in_use[i] = 1; + sx8_base->used_ldpc_bitrate[state->mci.nr] = p->symbol_rate + * bits_per_symbol; + state->mci.demod = i; + + if (!sx8_base->tuner_use_count[input]) + mci_set_tuner(fe, input, 1); + sx8_base->tuner_use_count[input]++; + sx8_base->iq_mode = (ts_config > 1); +unlock: + mutex_unlock(&mci_base->tuner_lock); + if (stat) + return stat; + memset(&cmd, 0, sizeof(cmd)); + + if (sx8_base->iq_mode) { + cmd.command = SX8_CMD_ENABLE_IQOUTPUT; + cmd.demod = state->mci.demod; + cmd.output = 0; + ddb_mci_cmd(&state->mci, &cmd, NULL); + ddb_mci_config(&state->mci, ts_config); + } + if (p->stream_id != NO_STREAM_ID_FILTER && p->stream_id != 0x80000000) + flags |= 0x80; + dev_dbg(mci_base->dev, "MCI-%d: tuner=%d demod=%d\n", + state->mci.nr, state->mci.tuner, state->mci.demod); + cmd.command = MCI_CMD_SEARCH_DVBS; + cmd.dvbs2_search.flags = flags; + cmd.dvbs2_search.s2_modulation_mask = modmask; + cmd.dvbs2_search.retry = 2; + cmd.dvbs2_search.frequency = p->frequency * 1000; + cmd.dvbs2_search.symbol_rate = p->symbol_rate; + cmd.dvbs2_search.scrambling_sequence_index = + p->scrambling_sequence_index | 0x80000000; + cmd.dvbs2_search.input_stream_id = + (p->stream_id != NO_STREAM_ID_FILTER) ? p->stream_id : 0; + cmd.tuner = state->mci.tuner; + cmd.demod = state->mci.demod; + cmd.output = state->mci.nr; + if (p->stream_id == 0x80000000) + cmd.output |= 0x80; + stat = ddb_mci_cmd(&state->mci, &cmd, NULL); + if (stat) + stop(fe); + return stat; +} + +static int start_iq(struct dvb_frontend *fe, u32 flags, u32 roll_off, + u32 ts_config) +{ + struct sx8 *state = fe->demodulator_priv; + struct mci_base *mci_base = state->mci.base; + struct sx8_base *sx8_base = (struct sx8_base *)mci_base; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + u32 used_demods = 0; + struct mci_command cmd; + u32 input = state->mci.tuner; + int i, stat = 0; + + mutex_lock(&mci_base->tuner_lock); + if (sx8_base->iq_mode) { + stat = -EBUSY; + goto unlock; + } + for (i = 0; i < SX8_DEMOD_NUM; i++) + if (sx8_base->demod_in_use[i]) + used_demods++; + if (used_demods > 0) { + stat = -EBUSY; + goto unlock; + } + state->mci.demod = 0; + if (!sx8_base->tuner_use_count[input]) + mci_set_tuner(fe, input, 1); + sx8_base->tuner_use_count[input]++; + sx8_base->iq_mode = (ts_config > 1); +unlock: + mutex_unlock(&mci_base->tuner_lock); + if (stat) + return stat; + + memset(&cmd, 0, sizeof(cmd)); + cmd.command = SX8_CMD_START_IQ; + cmd.sx8_start_iq.flags = flags; + cmd.sx8_start_iq.roll_off = roll_off; + cmd.sx8_start_iq.frequency = p->frequency * 1000; + cmd.sx8_start_iq.symbol_rate = p->symbol_rate; + cmd.tuner = state->mci.tuner; + cmd.demod = state->mci.demod; + stat = ddb_mci_cmd(&state->mci, &cmd, NULL); + if (stat) + stop(fe); + ddb_mci_config(&state->mci, ts_config); + return stat; +} + +static int set_parameters(struct dvb_frontend *fe) +{ + int stat = 0; + struct sx8 *state = fe->demodulator_priv; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + u32 ts_config = SX8_TSCONFIG_MODE_NORMAL, iq_mode = 0, isi; + + if (state->started) + stop(fe); + + isi = p->stream_id; + if (isi != NO_STREAM_ID_FILTER) + iq_mode = (isi & 0x30000000) >> 28; + + if (iq_mode) + ts_config = (SX8_TSCONFIG_TSHEADER | SX8_TSCONFIG_MODE_IQ); + if (iq_mode < 3) { + u32 mask; + + switch (p->modulation) { + /* uncomment whenever these modulations hit the DVB API + * case APSK_256: + * mask = 0x7f; + * break; + * case APSK_128: + * mask = 0x3f; + * break; + * case APSK_64: + * mask = 0x1f; + * break; + */ + case APSK_32: + mask = 0x0f; + break; + case APSK_16: + mask = 0x07; + break; + default: + mask = 0x03; + break; + } + stat = start(fe, 3, mask, ts_config); + } else { + stat = start_iq(fe, 0, 4, ts_config); + } + if (!stat) { + state->started = 1; + state->first_time_lock = 1; + state->signal_info.status = SX8_DEMOD_WAIT_SIGNAL; + } + + return stat; +} + +static int tune(struct dvb_frontend *fe, bool re_tune, + unsigned int mode_flags, + unsigned int *delay, enum fe_status *status) +{ + int r; + + if (re_tune) { + r = set_parameters(fe); + if (r) + return r; + } + r = read_status(fe, status); + if (r) + return r; + + if (*status & FE_HAS_LOCK) + return 0; + *delay = HZ / 10; + return 0; +} + +static enum dvbfe_algo get_algo(struct dvb_frontend *fe) +{ + return DVBFE_ALGO_HW; +} + +static int set_input(struct dvb_frontend *fe, int input) +{ + struct sx8 *state = fe->demodulator_priv; + struct mci_base *mci_base = state->mci.base; + + if (input >= SX8_TUNER_NUM) + return -EINVAL; + + state->mci.tuner = input; + dev_dbg(mci_base->dev, "MCI-%d: input=%d\n", state->mci.nr, input); + return 0; +} + +static struct dvb_frontend_ops sx8_ops = { + .delsys = { SYS_DVBS, SYS_DVBS2 }, + .info = { + .name = "Digital Devices MaxSX8 MCI DVB-S/S2/S2X", + .frequency_min_hz = 950 * MHz, + .frequency_max_hz = 2150 * MHz, + .symbol_rate_min = 100000, + .symbol_rate_max = 100000000, + .caps = FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_AUTO | + FE_CAN_QPSK | + FE_CAN_2G_MODULATION | + FE_CAN_MULTISTREAM, + }, + .get_frontend_algo = get_algo, + .tune = tune, + .release = release, + .read_status = read_status, +}; + +static int init(struct mci *mci) +{ + struct sx8 *state = (struct sx8 *)mci; + + state->mci.demod = SX8_DEMOD_NONE; + return 0; +} + +const struct mci_cfg ddb_max_sx8_cfg = { + .type = 0, + .fe_ops = &sx8_ops, + .base_size = sizeof(struct sx8_base), + .state_size = sizeof(struct sx8), + .init = init, + .set_input = set_input, +}; diff --git a/drivers/media/pci/ddbridge/ddbridge.h b/drivers/media/pci/ddbridge/ddbridge.h new file mode 100644 index 000000000..f3699dbd1 --- /dev/null +++ b/drivers/media/pci/ddbridge/ddbridge.h @@ -0,0 +1,373 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * ddbridge.h: Digital Devices PCIe bridge driver + * + * Copyright (C) 2010-2017 Digital Devices GmbH + * Ralph Metzler <rmetzler@digitaldevices.de> + */ + +#ifndef _DDBRIDGE_H_ +#define _DDBRIDGE_H_ + +#include <linux/clk.h> +#include <linux/completion.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/dvb/ca.h> +#include <linux/gpio.h> +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/kthread.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/pci.h> +#include <linux/platform_device.h> +#include <linux/poll.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/socket.h> +#include <linux/spi/spi.h> +#include <linux/swab.h> +#include <linux/timer.h> +#include <linux/types.h> +#include <linux/uaccess.h> +#include <linux/vmalloc.h> +#include <linux/workqueue.h> + +#include <asm/dma.h> +#include <asm/irq.h> + +#include <media/dmxdev.h> +#include <media/dvb_ca_en50221.h> +#include <media/dvb_demux.h> +#include <media/dvbdev.h> +#include <media/dvb_frontend.h> +#include <media/dvb_net.h> +#include <media/dvb_ringbuffer.h> + +#define DDBRIDGE_VERSION "0.9.33-integrated" + +#define DDB_MAX_I2C 32 +#define DDB_MAX_PORT 32 +#define DDB_MAX_INPUT 64 +#define DDB_MAX_OUTPUT 32 +#define DDB_MAX_LINK 4 +#define DDB_LINK_SHIFT 28 + +#define DDB_LINK_TAG(_x) (_x << DDB_LINK_SHIFT) + +struct ddb_regset { + u32 base; + u32 num; + u32 size; +}; + +struct ddb_regmap { + u32 irq_base_i2c; + u32 irq_base_idma; + u32 irq_base_odma; + + const struct ddb_regset *i2c; + const struct ddb_regset *i2c_buf; + const struct ddb_regset *idma; + const struct ddb_regset *idma_buf; + const struct ddb_regset *odma; + const struct ddb_regset *odma_buf; + + const struct ddb_regset *input; + const struct ddb_regset *output; + + const struct ddb_regset *channel; +}; + +struct ddb_ids { + u16 vendor; + u16 device; + u16 subvendor; + u16 subdevice; + + u32 hwid; + u32 regmapid; + u32 devid; + u32 mac; +}; + +struct ddb_info { + int type; +#define DDB_NONE 0 +#define DDB_OCTOPUS 1 +#define DDB_OCTOPUS_CI 2 +#define DDB_OCTOPUS_MAX 5 +#define DDB_OCTOPUS_MAX_CT 6 +#define DDB_OCTOPUS_MCI 9 + char *name; + u32 i2c_mask; + u32 board_control; + u32 board_control_2; + + u8 port_num; + u8 led_num; + u8 fan_num; + u8 temp_num; + u8 temp_bus; + u8 con_clock; /* use a continuous clock */ + u8 ts_quirks; +#define TS_QUIRK_SERIAL 1 +#define TS_QUIRK_REVERSED 2 +#define TS_QUIRK_ALT_OSC 8 + u8 mci_ports; + u8 mci_type; + + u32 tempmon_irq; + const struct ddb_regmap *regmap; +}; + +#define DMA_MAX_BUFS 32 /* hardware table limit */ + +struct ddb; +struct ddb_port; + +struct ddb_dma { + void *io; + u32 regs; + u32 bufregs; + + dma_addr_t pbuf[DMA_MAX_BUFS]; + u8 *vbuf[DMA_MAX_BUFS]; + u32 num; + u32 size; + u32 div; + u32 bufval; + + struct work_struct work; + spinlock_t lock; /* DMA lock */ + wait_queue_head_t wq; + int running; + u32 stat; + u32 ctrl; + u32 cbuf; + u32 coff; +}; + +struct ddb_dvb { + struct dvb_adapter *adap; + int adap_registered; + struct dvb_device *dev; + struct i2c_client *i2c_client[1]; + struct dvb_frontend *fe; + struct dvb_frontend *fe2; + struct dmxdev dmxdev; + struct dvb_demux demux; + struct dvb_net dvbnet; + struct dmx_frontend hw_frontend; + struct dmx_frontend mem_frontend; + int users; + u32 attached; + u8 input; + + enum fe_sec_tone_mode tone; + enum fe_sec_voltage voltage; + + int (*i2c_gate_ctrl)(struct dvb_frontend *, int); + int (*set_voltage)(struct dvb_frontend *fe, + enum fe_sec_voltage voltage); + int (*set_input)(struct dvb_frontend *fe, int input); + int (*diseqc_send_master_cmd)(struct dvb_frontend *fe, + struct dvb_diseqc_master_cmd *cmd); +}; + +struct ddb_ci { + struct dvb_ca_en50221 en; + struct ddb_port *port; + u32 nr; +}; + +struct ddb_io { + struct ddb_port *port; + u32 nr; + u32 regs; + struct ddb_dma *dma; + struct ddb_io *redo; + struct ddb_io *redi; +}; + +#define ddb_output ddb_io +#define ddb_input ddb_io + +struct ddb_i2c { + struct ddb *dev; + u32 nr; + u32 regs; + u32 link; + struct i2c_adapter adap; + u32 rbuf; + u32 wbuf; + u32 bsize; + struct completion completion; +}; + +struct ddb_port { + struct ddb *dev; + u32 nr; + u32 pnr; + u32 regs; + u32 lnr; + struct ddb_i2c *i2c; + struct mutex i2c_gate_lock; /* I2C access lock */ + u32 class; +#define DDB_PORT_NONE 0 +#define DDB_PORT_CI 1 +#define DDB_PORT_TUNER 2 +#define DDB_PORT_LOOP 3 + char *name; + char *type_name; + u32 type; +#define DDB_TUNER_DUMMY 0xffffffff +#define DDB_TUNER_NONE 0 +#define DDB_TUNER_DVBS_ST 1 +#define DDB_TUNER_DVBS_ST_AA 2 +#define DDB_TUNER_DVBCT_TR 3 +#define DDB_TUNER_DVBCT_ST 4 +#define DDB_CI_INTERNAL 5 +#define DDB_CI_EXTERNAL_SONY 6 +#define DDB_TUNER_DVBCT2_SONY_P 7 +#define DDB_TUNER_DVBC2T2_SONY_P 8 +#define DDB_TUNER_ISDBT_SONY_P 9 +#define DDB_TUNER_DVBS_STV0910_P 10 +#define DDB_TUNER_MXL5XX 11 +#define DDB_CI_EXTERNAL_XO2 12 +#define DDB_CI_EXTERNAL_XO2_B 13 +#define DDB_TUNER_DVBS_STV0910_PR 14 +#define DDB_TUNER_DVBC2T2I_SONY_P 15 + +#define DDB_TUNER_XO2 32 +#define DDB_TUNER_DVBS_STV0910 (DDB_TUNER_XO2 + 0) +#define DDB_TUNER_DVBCT2_SONY (DDB_TUNER_XO2 + 1) +#define DDB_TUNER_ISDBT_SONY (DDB_TUNER_XO2 + 2) +#define DDB_TUNER_DVBC2T2_SONY (DDB_TUNER_XO2 + 3) +#define DDB_TUNER_ATSC_ST (DDB_TUNER_XO2 + 4) +#define DDB_TUNER_DVBC2T2I_SONY (DDB_TUNER_XO2 + 5) + +#define DDB_TUNER_MCI 48 +#define DDB_TUNER_MCI_SX8 (DDB_TUNER_MCI + 0) + + struct ddb_input *input[2]; + struct ddb_output *output; + struct dvb_ca_en50221 *en; + u8 en_freedata; + struct ddb_dvb dvb[2]; + u32 gap; + u32 obr; + u8 creg; +}; + +#define CM_STARTUP_DELAY 2 +#define CM_AVERAGE 20 +#define CM_GAIN 10 + +#define HW_LSB_SHIFT 12 +#define HW_LSB_MASK 0x1000 + +#define CM_IDLE 0 +#define CM_STARTUP 1 +#define CM_ADJUST 2 + +#define TS_CAPTURE_LEN (4096) + +struct ddb_lnb { + struct mutex lock; /* lock lnb access */ + u32 tone; + enum fe_sec_voltage oldvoltage[4]; + u32 voltage[4]; + u32 voltages; + u32 fmode; +}; + +struct ddb_irq { + void (*handler)(void *); + void *data; +}; + +struct ddb_link { + struct ddb *dev; + const struct ddb_info *info; + u32 nr; + u32 regs; + spinlock_t lock; /* lock link access */ + struct mutex flash_mutex; /* lock flash access */ + struct ddb_lnb lnb; + struct tasklet_struct tasklet; + struct ddb_ids ids; + + spinlock_t temp_lock; /* lock temp chip access */ + int overtemperature_error; + u8 temp_tab[11]; + struct ddb_irq irq[256]; +}; + +struct ddb { + struct pci_dev *pdev; + struct platform_device *pfdev; + struct device *dev; + + int msi; + struct workqueue_struct *wq; + u32 has_dma; + + struct ddb_link link[DDB_MAX_LINK]; + unsigned char __iomem *regs; + u32 regs_len; + u32 port_num; + struct ddb_port port[DDB_MAX_PORT]; + u32 i2c_num; + struct ddb_i2c i2c[DDB_MAX_I2C]; + struct ddb_input input[DDB_MAX_INPUT]; + struct ddb_output output[DDB_MAX_OUTPUT]; + struct dvb_adapter adap[DDB_MAX_INPUT]; + struct ddb_dma idma[DDB_MAX_INPUT]; + struct ddb_dma odma[DDB_MAX_OUTPUT]; + + struct device *ddb_dev; + u32 ddb_dev_users; + u32 nr; + u8 iobuf[1028]; + + u8 leds; + u32 ts_irq; + u32 i2c_irq; + + struct mutex mutex; /* lock access to global ddb array */ + + u8 tsbuf[TS_CAPTURE_LEN]; +}; + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +int ddbridge_flashread(struct ddb *dev, u32 link, u8 *buf, u32 addr, u32 len); + +/****************************************************************************/ + +/* ddbridge-core.c */ +struct ddb_irq *ddb_irq_set(struct ddb *dev, u32 link, u32 nr, + void (*handler)(void *), void *data); +void ddb_ports_detach(struct ddb *dev); +void ddb_ports_release(struct ddb *dev); +void ddb_buffers_free(struct ddb *dev); +void ddb_device_destroy(struct ddb *dev); +irqreturn_t ddb_irq_handler0(int irq, void *dev_id); +irqreturn_t ddb_irq_handler1(int irq, void *dev_id); +irqreturn_t ddb_irq_handler(int irq, void *dev_id); +void ddb_ports_init(struct ddb *dev); +int ddb_buffers_alloc(struct ddb *dev); +int ddb_ports_attach(struct ddb *dev); +int ddb_device_create(struct ddb *dev); +int ddb_init(struct ddb *dev); +void ddb_unmap(struct ddb *dev); +int ddb_exit_ddbridge(int stage, int error); +int ddb_init_ddbridge(void); + +#endif /* _DDBRIDGE_H_ */ |