diff options
Diffstat (limited to 'drivers/media/pci/saa7164/saa7164-dvb.c')
| -rw-r--r-- | drivers/media/pci/saa7164/saa7164-dvb.c | 740 |
1 files changed, 740 insertions, 0 deletions
diff --git a/drivers/media/pci/saa7164/saa7164-dvb.c b/drivers/media/pci/saa7164/saa7164-dvb.c new file mode 100644 index 000000000..24421c116 --- /dev/null +++ b/drivers/media/pci/saa7164/saa7164-dvb.c @@ -0,0 +1,740 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.com> + */ + +#include "saa7164.h" + +#include "tda10048.h" +#include "tda18271.h" +#include "s5h1411.h" +#include "si2157.h" +#include "si2168.h" +#include "lgdt3306a.h" + +#define DRIVER_NAME "saa7164" + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +/* addr is in the card struct, get it from there */ +static struct tda10048_config hauppauge_hvr2200_1_config = { + .demod_address = 0x10 >> 1, + .output_mode = TDA10048_SERIAL_OUTPUT, + .fwbulkwritelen = TDA10048_BULKWRITE_200, + .inversion = TDA10048_INVERSION_ON, + .dtv6_if_freq_khz = TDA10048_IF_3300, + .dtv7_if_freq_khz = TDA10048_IF_3500, + .dtv8_if_freq_khz = TDA10048_IF_4000, + .clk_freq_khz = TDA10048_CLK_16000, +}; +static struct tda10048_config hauppauge_hvr2200_2_config = { + .demod_address = 0x12 >> 1, + .output_mode = TDA10048_SERIAL_OUTPUT, + .fwbulkwritelen = TDA10048_BULKWRITE_200, + .inversion = TDA10048_INVERSION_ON, + .dtv6_if_freq_khz = TDA10048_IF_3300, + .dtv7_if_freq_khz = TDA10048_IF_3500, + .dtv8_if_freq_khz = TDA10048_IF_4000, + .clk_freq_khz = TDA10048_CLK_16000, +}; + +static struct tda18271_std_map hauppauge_tda18271_std_map = { + .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 3, + .if_lvl = 6, .rfagc_top = 0x37 }, + .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 0, + .if_lvl = 6, .rfagc_top = 0x37 }, +}; + +static struct tda18271_config hauppauge_hvr22x0_tuner_config = { + .std_map = &hauppauge_tda18271_std_map, + .gate = TDA18271_GATE_ANALOG, + .role = TDA18271_MASTER, +}; + +static struct tda18271_config hauppauge_hvr22x0s_tuner_config = { + .std_map = &hauppauge_tda18271_std_map, + .gate = TDA18271_GATE_ANALOG, + .role = TDA18271_SLAVE, + .output_opt = TDA18271_OUTPUT_LT_OFF, + .rf_cal_on_startup = 1 +}; + +static struct s5h1411_config hauppauge_s5h1411_config = { + .output_mode = S5H1411_SERIAL_OUTPUT, + .gpio = S5H1411_GPIO_ON, + .qam_if = S5H1411_IF_4000, + .vsb_if = S5H1411_IF_3250, + .inversion = S5H1411_INVERSION_ON, + .status_mode = S5H1411_DEMODLOCKING, + .mpeg_timing = S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK, +}; + +static struct lgdt3306a_config hauppauge_hvr2255a_config = { + .i2c_addr = 0xb2 >> 1, + .qam_if_khz = 4000, + .vsb_if_khz = 3250, + .deny_i2c_rptr = 1, /* Disabled */ + .spectral_inversion = 0, /* Disabled */ + .mpeg_mode = LGDT3306A_MPEG_SERIAL, + .tpclk_edge = LGDT3306A_TPCLK_RISING_EDGE, + .tpvalid_polarity = LGDT3306A_TP_VALID_HIGH, + .xtalMHz = 25, /* 24 or 25 */ +}; + +static struct lgdt3306a_config hauppauge_hvr2255b_config = { + .i2c_addr = 0x1c >> 1, + .qam_if_khz = 4000, + .vsb_if_khz = 3250, + .deny_i2c_rptr = 1, /* Disabled */ + .spectral_inversion = 0, /* Disabled */ + .mpeg_mode = LGDT3306A_MPEG_SERIAL, + .tpclk_edge = LGDT3306A_TPCLK_RISING_EDGE, + .tpvalid_polarity = LGDT3306A_TP_VALID_HIGH, + .xtalMHz = 25, /* 24 or 25 */ +}; + +static struct si2157_config hauppauge_hvr2255_tuner_config = { + .inversion = 1, + .if_port = 1, +}; + +static int si2157_attach(struct saa7164_port *port, struct i2c_adapter *adapter, + struct dvb_frontend *fe, u8 addr8bit, struct si2157_config *cfg) +{ + struct i2c_board_info bi; + struct i2c_client *tuner; + + cfg->fe = fe; + + memset(&bi, 0, sizeof(bi)); + + strscpy(bi.type, "si2157", I2C_NAME_SIZE); + bi.platform_data = cfg; + bi.addr = addr8bit >> 1; + + request_module(bi.type); + + tuner = i2c_new_client_device(adapter, &bi); + if (!i2c_client_has_driver(tuner)) + return -ENODEV; + + if (!try_module_get(tuner->dev.driver->owner)) { + i2c_unregister_device(tuner); + return -ENODEV; + } + + port->i2c_client_tuner = tuner; + + return 0; +} + +static int saa7164_dvb_stop_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() stop transition failed, ret = 0x%x\n", + __func__, ret); + ret = -EIO; + } else { + dprintk(DBGLVL_DVB, "%s() Stopped\n", __func__); + ret = 0; + } + + return ret; +} + +static int saa7164_dvb_acquire_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); + if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() acquire transition failed, ret = 0x%x\n", + __func__, ret); + ret = -EIO; + } else { + dprintk(DBGLVL_DVB, "%s() Acquired\n", __func__); + ret = 0; + } + + return ret; +} + +static int saa7164_dvb_pause_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); + if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() pause transition failed, ret = 0x%x\n", + __func__, ret); + ret = -EIO; + } else { + dprintk(DBGLVL_DVB, "%s() Paused\n", __func__); + ret = 0; + } + + return ret; +} + +/* Firmware is very windows centric, meaning you have to transition + * the part through AVStream / KS Windows stages, forwards or backwards. + * States are: stopped, acquired (h/w), paused, started. + */ +static int saa7164_dvb_stop_streaming(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf; + struct list_head *p, *q; + int ret; + + dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); + + ret = saa7164_dvb_pause_port(port); + ret = saa7164_dvb_acquire_port(port); + ret = saa7164_dvb_stop_port(port); + + /* Mark the hardware buffers as free */ + mutex_lock(&port->dmaqueue_lock); + list_for_each_safe(p, q, &port->dmaqueue.list) { + buf = list_entry(p, struct saa7164_buffer, list); + buf->flags = SAA7164_BUFFER_FREE; + } + mutex_unlock(&port->dmaqueue_lock); + + return ret; +} + +static int saa7164_dvb_start_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret = 0, result; + + dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); + + saa7164_buffer_cfg_port(port); + + /* Acquire the hardware */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() acquire transition failed, res = 0x%x\n", + __func__, result); + + /* Stop the hardware, regardless */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() acquire/forced stop transition failed, res = 0x%x\n", + __func__, result); + } + ret = -EIO; + goto out; + } else + dprintk(DBGLVL_DVB, "%s() Acquired\n", __func__); + + /* Pause the hardware */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() pause transition failed, res = 0x%x\n", + __func__, result); + + /* Stop the hardware, regardless */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() pause/forced stop transition failed, res = 0x%x\n", + __func__, result); + } + + ret = -EIO; + goto out; + } else + dprintk(DBGLVL_DVB, "%s() Paused\n", __func__); + + /* Start the hardware */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_RUN); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() run transition failed, result = 0x%x\n", + __func__, result); + + /* Stop the hardware, regardless */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() run/forced stop transition failed, res = 0x%x\n", + __func__, result); + } + + ret = -EIO; + } else + dprintk(DBGLVL_DVB, "%s() Running\n", __func__); + +out: + return ret; +} + +static int saa7164_dvb_start_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct saa7164_port *port = (struct saa7164_port *) demux->priv; + struct saa7164_dvb *dvb = &port->dvb; + struct saa7164_dev *dev = port->dev; + int ret = 0; + + dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); + + if (!demux->dmx.frontend) + return -EINVAL; + + if (dvb) { + mutex_lock(&dvb->lock); + if (dvb->feeding++ == 0) { + /* Start transport */ + ret = saa7164_dvb_start_port(port); + } + mutex_unlock(&dvb->lock); + dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n", + __func__, port->nr, dvb->feeding); + } + + return ret; +} + +static int saa7164_dvb_stop_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct saa7164_port *port = (struct saa7164_port *) demux->priv; + struct saa7164_dvb *dvb = &port->dvb; + struct saa7164_dev *dev = port->dev; + int ret = 0; + + dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); + + if (dvb) { + mutex_lock(&dvb->lock); + if (--dvb->feeding == 0) { + /* Stop transport */ + ret = saa7164_dvb_stop_streaming(port); + } + mutex_unlock(&dvb->lock); + dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n", + __func__, port->nr, dvb->feeding); + } + + return ret; +} + +static int dvb_register(struct saa7164_port *port) +{ + struct saa7164_dvb *dvb = &port->dvb; + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf; + int result, i; + + dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); + + BUG_ON(port->type != SAA7164_MPEG_DVB); + + /* Sanity check that the PCI configuration space is active */ + if (port->hwcfg.BARLocation == 0) { + result = -ENOMEM; + printk(KERN_ERR "%s: dvb_register_adapter failed (errno = %d), NO PCI configuration\n", + DRIVER_NAME, result); + goto fail_adapter; + } + + /* Init and establish defaults */ + port->hw_streamingparams.bitspersample = 8; + port->hw_streamingparams.samplesperline = 188; + port->hw_streamingparams.numberoflines = + (SAA7164_TS_NUMBER_OF_LINES * 188) / 188; + + port->hw_streamingparams.pitch = 188; + port->hw_streamingparams.linethreshold = 0; + port->hw_streamingparams.pagetablelistvirt = NULL; + port->hw_streamingparams.pagetablelistphys = NULL; + port->hw_streamingparams.numpagetables = 2 + + ((SAA7164_TS_NUMBER_OF_LINES * 188) / PAGE_SIZE); + + port->hw_streamingparams.numpagetableentries = port->hwcfg.buffercount; + + /* Allocate the PCI resources */ + for (i = 0; i < port->hwcfg.buffercount; i++) { + buf = saa7164_buffer_alloc(port, + port->hw_streamingparams.numberoflines * + port->hw_streamingparams.pitch); + + if (!buf) { + result = -ENOMEM; + printk(KERN_ERR "%s: dvb_register_adapter failed (errno = %d), unable to allocate buffers\n", + DRIVER_NAME, result); + goto fail_adapter; + } + + mutex_lock(&port->dmaqueue_lock); + list_add_tail(&buf->list, &port->dmaqueue.list); + mutex_unlock(&port->dmaqueue_lock); + } + + /* register adapter */ + result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE, + &dev->pci->dev, adapter_nr); + if (result < 0) { + printk(KERN_ERR "%s: dvb_register_adapter failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_adapter; + } + dvb->adapter.priv = port; + + /* register frontend */ + result = dvb_register_frontend(&dvb->adapter, dvb->frontend); + if (result < 0) { + printk(KERN_ERR "%s: dvb_register_frontend failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_frontend; + } + + /* register demux stuff */ + dvb->demux.dmx.capabilities = + DMX_TS_FILTERING | DMX_SECTION_FILTERING | + DMX_MEMORY_BASED_FILTERING; + dvb->demux.priv = port; + dvb->demux.filternum = 256; + dvb->demux.feednum = 256; + dvb->demux.start_feed = saa7164_dvb_start_feed; + dvb->demux.stop_feed = saa7164_dvb_stop_feed; + result = dvb_dmx_init(&dvb->demux); + if (result < 0) { + printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_dmx; + } + + dvb->dmxdev.filternum = 256; + dvb->dmxdev.demux = &dvb->demux.dmx; + dvb->dmxdev.capabilities = 0; + result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); + if (result < 0) { + printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_dmxdev; + } + + dvb->fe_hw.source = DMX_FRONTEND_0; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + printk(KERN_ERR "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", + DRIVER_NAME, result); + goto fail_fe_hw; + } + + dvb->fe_mem.source = DMX_MEMORY_FE; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); + if (result < 0) { + printk(KERN_ERR "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", + DRIVER_NAME, result); + goto fail_fe_mem; + } + + result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_fe_conn; + } + + /* register network adapter */ + dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); + return 0; + +fail_fe_conn: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); +fail_fe_mem: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); +fail_fe_hw: + dvb_dmxdev_release(&dvb->dmxdev); +fail_dmxdev: + dvb_dmx_release(&dvb->demux); +fail_dmx: + dvb_unregister_frontend(dvb->frontend); +fail_frontend: + dvb_frontend_detach(dvb->frontend); + dvb_unregister_adapter(&dvb->adapter); +fail_adapter: + return result; +} + +int saa7164_dvb_unregister(struct saa7164_port *port) +{ + struct saa7164_dvb *dvb = &port->dvb; + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *b; + struct list_head *c, *n; + struct i2c_client *client; + + dprintk(DBGLVL_DVB, "%s()\n", __func__); + + BUG_ON(port->type != SAA7164_MPEG_DVB); + + /* Remove any allocated buffers */ + mutex_lock(&port->dmaqueue_lock); + list_for_each_safe(c, n, &port->dmaqueue.list) { + b = list_entry(c, struct saa7164_buffer, list); + list_del(c); + saa7164_buffer_dealloc(b); + } + mutex_unlock(&port->dmaqueue_lock); + + if (dvb->frontend == NULL) + return 0; + + /* remove I2C client for tuner */ + client = port->i2c_client_tuner; + if (client) { + module_put(client->dev.driver->owner); + i2c_unregister_device(client); + } + + /* remove I2C client for demodulator */ + client = port->i2c_client_demod; + if (client) { + module_put(client->dev.driver->owner); + i2c_unregister_device(client); + } + + dvb_net_release(&dvb->net); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); + dvb_dmxdev_release(&dvb->dmxdev); + dvb_dmx_release(&dvb->demux); + dvb_unregister_frontend(dvb->frontend); + dvb_frontend_detach(dvb->frontend); + dvb_unregister_adapter(&dvb->adapter); + return 0; +} + +/* All the DVB attach calls go here, this function gets modified + * for each new card. + */ +int saa7164_dvb_register(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct saa7164_dvb *dvb = &port->dvb; + struct saa7164_i2c *i2c_bus = NULL; + struct si2168_config si2168_config; + struct si2157_config si2157_config; + struct i2c_adapter *adapter; + struct i2c_board_info info; + struct i2c_client *client_demod; + struct i2c_client *client_tuner; + int ret; + + dprintk(DBGLVL_DVB, "%s()\n", __func__); + + /* init frontend */ + switch (dev->board) { + case SAA7164_BOARD_HAUPPAUGE_HVR2200: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_2: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_3: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_4: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_5: + i2c_bus = &dev->i2c_bus[port->nr + 1]; + switch (port->nr) { + case 0: + port->dvb.frontend = dvb_attach(tda10048_attach, + &hauppauge_hvr2200_1_config, + &i2c_bus->i2c_adap); + + if (port->dvb.frontend != NULL) { + /* TODO: addr is in the card struct */ + dvb_attach(tda18271_attach, port->dvb.frontend, + 0xc0 >> 1, &i2c_bus->i2c_adap, + &hauppauge_hvr22x0_tuner_config); + } + + break; + case 1: + port->dvb.frontend = dvb_attach(tda10048_attach, + &hauppauge_hvr2200_2_config, + &i2c_bus->i2c_adap); + + if (port->dvb.frontend != NULL) { + /* TODO: addr is in the card struct */ + dvb_attach(tda18271_attach, port->dvb.frontend, + 0xc0 >> 1, &i2c_bus->i2c_adap, + &hauppauge_hvr22x0s_tuner_config); + } + + break; + } + break; + case SAA7164_BOARD_HAUPPAUGE_HVR2250: + case SAA7164_BOARD_HAUPPAUGE_HVR2250_2: + case SAA7164_BOARD_HAUPPAUGE_HVR2250_3: + i2c_bus = &dev->i2c_bus[port->nr + 1]; + + port->dvb.frontend = dvb_attach(s5h1411_attach, + &hauppauge_s5h1411_config, + &i2c_bus->i2c_adap); + + if (port->dvb.frontend != NULL) { + if (port->nr == 0) { + /* Master TDA18271 */ + /* TODO: addr is in the card struct */ + dvb_attach(tda18271_attach, port->dvb.frontend, + 0xc0 >> 1, &i2c_bus->i2c_adap, + &hauppauge_hvr22x0_tuner_config); + } else { + /* Slave TDA18271 */ + dvb_attach(tda18271_attach, port->dvb.frontend, + 0xc0 >> 1, &i2c_bus->i2c_adap, + &hauppauge_hvr22x0s_tuner_config); + } + } + + break; + case SAA7164_BOARD_HAUPPAUGE_HVR2255proto: + case SAA7164_BOARD_HAUPPAUGE_HVR2255: + i2c_bus = &dev->i2c_bus[2]; + + if (port->nr == 0) { + port->dvb.frontend = dvb_attach(lgdt3306a_attach, + &hauppauge_hvr2255a_config, &i2c_bus->i2c_adap); + } else { + port->dvb.frontend = dvb_attach(lgdt3306a_attach, + &hauppauge_hvr2255b_config, &i2c_bus->i2c_adap); + } + + if (port->dvb.frontend != NULL) { + + if (port->nr == 0) { + si2157_attach(port, &dev->i2c_bus[0].i2c_adap, + port->dvb.frontend, 0xc0, + &hauppauge_hvr2255_tuner_config); + } else { + si2157_attach(port, &dev->i2c_bus[1].i2c_adap, + port->dvb.frontend, 0xc0, + &hauppauge_hvr2255_tuner_config); + } + } + break; + case SAA7164_BOARD_HAUPPAUGE_HVR2205: + + if (port->nr == 0) { + /* attach frontend */ + memset(&si2168_config, 0, sizeof(si2168_config)); + si2168_config.i2c_adapter = &adapter; + si2168_config.fe = &port->dvb.frontend; + si2168_config.ts_mode = SI2168_TS_SERIAL; + memset(&info, 0, sizeof(struct i2c_board_info)); + strscpy(info.type, "si2168", I2C_NAME_SIZE); + info.addr = 0xc8 >> 1; + info.platform_data = &si2168_config; + request_module(info.type); + client_demod = i2c_new_client_device(&dev->i2c_bus[2].i2c_adap, &info); + if (!i2c_client_has_driver(client_demod)) + goto frontend_detach; + + if (!try_module_get(client_demod->dev.driver->owner)) { + i2c_unregister_device(client_demod); + goto frontend_detach; + } + port->i2c_client_demod = client_demod; + + /* attach tuner */ + memset(&si2157_config, 0, sizeof(si2157_config)); + si2157_config.if_port = 1; + si2157_config.fe = port->dvb.frontend; + memset(&info, 0, sizeof(struct i2c_board_info)); + strscpy(info.type, "si2157", I2C_NAME_SIZE); + info.addr = 0xc0 >> 1; + info.platform_data = &si2157_config; + request_module(info.type); + client_tuner = i2c_new_client_device(&dev->i2c_bus[0].i2c_adap, &info); + if (!i2c_client_has_driver(client_tuner)) { + module_put(client_demod->dev.driver->owner); + i2c_unregister_device(client_demod); + goto frontend_detach; + } + if (!try_module_get(client_tuner->dev.driver->owner)) { + i2c_unregister_device(client_tuner); + module_put(client_demod->dev.driver->owner); + i2c_unregister_device(client_demod); + goto frontend_detach; + } + port->i2c_client_tuner = client_tuner; + } else { + /* attach frontend */ + memset(&si2168_config, 0, sizeof(si2168_config)); + si2168_config.i2c_adapter = &adapter; + si2168_config.fe = &port->dvb.frontend; + si2168_config.ts_mode = SI2168_TS_SERIAL; + memset(&info, 0, sizeof(struct i2c_board_info)); + strscpy(info.type, "si2168", I2C_NAME_SIZE); + info.addr = 0xcc >> 1; + info.platform_data = &si2168_config; + request_module(info.type); + client_demod = i2c_new_client_device(&dev->i2c_bus[2].i2c_adap, &info); + if (!i2c_client_has_driver(client_demod)) + goto frontend_detach; + + if (!try_module_get(client_demod->dev.driver->owner)) { + i2c_unregister_device(client_demod); + goto frontend_detach; + } + port->i2c_client_demod = client_demod; + + /* attach tuner */ + memset(&si2157_config, 0, sizeof(si2157_config)); + si2157_config.fe = port->dvb.frontend; + si2157_config.if_port = 1; + memset(&info, 0, sizeof(struct i2c_board_info)); + strscpy(info.type, "si2157", I2C_NAME_SIZE); + info.addr = 0xc0 >> 1; + info.platform_data = &si2157_config; + request_module(info.type); + client_tuner = i2c_new_client_device(&dev->i2c_bus[1].i2c_adap, &info); + if (!i2c_client_has_driver(client_tuner)) { + module_put(client_demod->dev.driver->owner); + i2c_unregister_device(client_demod); + goto frontend_detach; + } + if (!try_module_get(client_tuner->dev.driver->owner)) { + i2c_unregister_device(client_tuner); + module_put(client_demod->dev.driver->owner); + i2c_unregister_device(client_demod); + goto frontend_detach; + } + port->i2c_client_tuner = client_tuner; + } + + break; + default: + printk(KERN_ERR "%s: The frontend isn't supported\n", + dev->name); + break; + } + if (NULL == dvb->frontend) { + printk(KERN_ERR "%s() Frontend initialization failed\n", + __func__); + return -1; + } + + /* register everything */ + ret = dvb_register(port); + if (ret < 0) { + if (dvb->frontend->ops.release) + dvb->frontend->ops.release(dvb->frontend); + return ret; + } + + return 0; + +frontend_detach: + printk(KERN_ERR "%s() Frontend/I2C initialization failed\n", __func__); + return -1; +} |