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path: root/drivers/media/usb/em28xx/em28xx-dvb.c
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Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-dvb.c')
-rw-r--r--drivers/media/usb/em28xx/em28xx-dvb.c1197
1 files changed, 1197 insertions, 0 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
new file mode 100644
index 000000000000..a16531fa937a
--- /dev/null
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -0,0 +1,1197 @@
+/*
+ DVB device driver for em28xx
+
+ (c) 2008-2011 Mauro Carvalho Chehab <mchehab@infradead.org>
+
+ (c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com>
+ - Fixes for the driver to properly work with HVR-950
+ - Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick
+ - Fixes for the driver to properly work with AMD ATI TV Wonder HD 600
+
+ (c) 2008 Aidan Thornton <makosoft@googlemail.com>
+
+ Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by:
+ (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
+ (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License.
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/usb.h>
+
+#include "em28xx.h"
+#include <media/v4l2-common.h>
+#include <media/videobuf-vmalloc.h>
+#include <media/tuner.h>
+#include "tuner-simple.h"
+
+#include "lgdt330x.h"
+#include "lgdt3305.h"
+#include "zl10353.h"
+#include "s5h1409.h"
+#include "mt352.h"
+#include "mt352_priv.h" /* FIXME */
+#include "tda1002x.h"
+#include "tda18271.h"
+#include "s921.h"
+#include "drxd.h"
+#include "cxd2820r.h"
+#include "tda18271c2dd.h"
+#include "drxk.h"
+#include "tda10071.h"
+#include "a8293.h"
+#include "qt1010.h"
+
+MODULE_DESCRIPTION("driver for em28xx based DVB cards");
+MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
+MODULE_LICENSE("GPL");
+
+static unsigned int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debug messages [dvb]");
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+#define dprintk(level, fmt, arg...) do { \
+if (debug >= level) \
+ printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
+} while (0)
+
+struct em28xx_dvb {
+ struct dvb_frontend *fe[2];
+
+ /* feed count management */
+ struct mutex lock;
+ int nfeeds;
+
+ /* general boilerplate stuff */
+ struct dvb_adapter adapter;
+ struct dvb_demux demux;
+ struct dmxdev dmxdev;
+ struct dmx_frontend fe_hw;
+ struct dmx_frontend fe_mem;
+ struct dvb_net net;
+
+ /* Due to DRX-K - probably need changes */
+ int (*gate_ctrl)(struct dvb_frontend *, int);
+ struct semaphore pll_mutex;
+ bool dont_attach_fe1;
+};
+
+
+static inline void print_err_status(struct em28xx *dev,
+ int packet, int status)
+{
+ char *errmsg = "Unknown";
+
+ switch (status) {
+ case -ENOENT:
+ errmsg = "unlinked synchronuously";
+ break;
+ case -ECONNRESET:
+ errmsg = "unlinked asynchronuously";
+ break;
+ case -ENOSR:
+ errmsg = "Buffer error (overrun)";
+ break;
+ case -EPIPE:
+ errmsg = "Stalled (device not responding)";
+ break;
+ case -EOVERFLOW:
+ errmsg = "Babble (bad cable?)";
+ break;
+ case -EPROTO:
+ errmsg = "Bit-stuff error (bad cable?)";
+ break;
+ case -EILSEQ:
+ errmsg = "CRC/Timeout (could be anything)";
+ break;
+ case -ETIME:
+ errmsg = "Device does not respond";
+ break;
+ }
+ if (packet < 0) {
+ dprintk(1, "URB status %d [%s].\n", status, errmsg);
+ } else {
+ dprintk(1, "URB packet %d, status %d [%s].\n",
+ packet, status, errmsg);
+ }
+}
+
+static inline int em28xx_dvb_isoc_copy(struct em28xx *dev, struct urb *urb)
+{
+ int i;
+
+ if (!dev)
+ return 0;
+
+ if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
+ return 0;
+
+ if (urb->status < 0) {
+ print_err_status(dev, -1, urb->status);
+ if (urb->status == -ENOENT)
+ return 0;
+ }
+
+ for (i = 0; i < urb->number_of_packets; i++) {
+ int status = urb->iso_frame_desc[i].status;
+
+ if (status < 0) {
+ print_err_status(dev, i, status);
+ if (urb->iso_frame_desc[i].status != -EPROTO)
+ continue;
+ }
+
+ dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer +
+ urb->iso_frame_desc[i].offset,
+ urb->iso_frame_desc[i].actual_length);
+ }
+
+ return 0;
+}
+
+static int em28xx_start_streaming(struct em28xx_dvb *dvb)
+{
+ int rc;
+ struct em28xx *dev = dvb->adapter.priv;
+ int max_dvb_packet_size;
+
+ usb_set_interface(dev->udev, 0, dev->dvb_alt);
+ rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
+ if (rc < 0)
+ return rc;
+
+ max_dvb_packet_size = dev->dvb_max_pkt_size;
+ if (max_dvb_packet_size < 0)
+ return max_dvb_packet_size;
+ dprintk(1, "Using %d buffers each with %d x %d bytes\n",
+ EM28XX_DVB_NUM_BUFS,
+ EM28XX_DVB_MAX_PACKETS,
+ max_dvb_packet_size);
+
+ return em28xx_init_isoc(dev, EM28XX_DIGITAL_MODE,
+ EM28XX_DVB_MAX_PACKETS, EM28XX_DVB_NUM_BUFS,
+ max_dvb_packet_size, em28xx_dvb_isoc_copy);
+}
+
+static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
+{
+ struct em28xx *dev = dvb->adapter.priv;
+
+ em28xx_stop_urbs(dev);
+
+ em28xx_set_mode(dev, EM28XX_SUSPEND);
+
+ return 0;
+}
+
+static int em28xx_start_feed(struct dvb_demux_feed *feed)
+{
+ struct dvb_demux *demux = feed->demux;
+ struct em28xx_dvb *dvb = demux->priv;
+ int rc, ret;
+
+ if (!demux->dmx.frontend)
+ return -EINVAL;
+
+ mutex_lock(&dvb->lock);
+ dvb->nfeeds++;
+ rc = dvb->nfeeds;
+
+ if (dvb->nfeeds == 1) {
+ ret = em28xx_start_streaming(dvb);
+ if (ret < 0)
+ rc = ret;
+ }
+
+ mutex_unlock(&dvb->lock);
+ return rc;
+}
+
+static int em28xx_stop_feed(struct dvb_demux_feed *feed)
+{
+ struct dvb_demux *demux = feed->demux;
+ struct em28xx_dvb *dvb = demux->priv;
+ int err = 0;
+
+ mutex_lock(&dvb->lock);
+ dvb->nfeeds--;
+
+ if (0 == dvb->nfeeds)
+ err = em28xx_stop_streaming(dvb);
+
+ mutex_unlock(&dvb->lock);
+ return err;
+}
+
+
+
+/* ------------------------------------------------------------------ */
+static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
+{
+ struct em28xx *dev = fe->dvb->priv;
+
+ if (acquire)
+ return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
+ else
+ return em28xx_set_mode(dev, EM28XX_SUSPEND);
+}
+
+/* ------------------------------------------------------------------ */
+
+static struct lgdt330x_config em2880_lgdt3303_dev = {
+ .demod_address = 0x0e,
+ .demod_chip = LGDT3303,
+};
+
+static struct lgdt3305_config em2870_lgdt3304_dev = {
+ .i2c_addr = 0x0e,
+ .demod_chip = LGDT3304,
+ .spectral_inversion = 1,
+ .deny_i2c_rptr = 1,
+ .mpeg_mode = LGDT3305_MPEG_PARALLEL,
+ .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
+ .tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
+ .vsb_if_khz = 3250,
+ .qam_if_khz = 4000,
+};
+
+static struct s921_config sharp_isdbt = {
+ .demod_address = 0x30 >> 1
+};
+
+static struct zl10353_config em28xx_zl10353_with_xc3028 = {
+ .demod_address = (0x1e >> 1),
+ .no_tuner = 1,
+ .parallel_ts = 1,
+ .if2 = 45600,
+};
+
+static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
+ .demod_address = 0x32 >> 1,
+ .output_mode = S5H1409_PARALLEL_OUTPUT,
+ .gpio = S5H1409_GPIO_OFF,
+ .inversion = S5H1409_INVERSION_OFF,
+ .status_mode = S5H1409_DEMODLOCKING,
+ .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
+};
+
+static struct tda18271_std_map kworld_a340_std_map = {
+ .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0,
+ .if_lvl = 1, .rfagc_top = 0x37, },
+ .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1,
+ .if_lvl = 1, .rfagc_top = 0x37, },
+};
+
+static struct tda18271_config kworld_a340_config = {
+ .std_map = &kworld_a340_std_map,
+};
+
+static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
+ .demod_address = (0x1e >> 1),
+ .no_tuner = 1,
+ .disable_i2c_gate_ctrl = 1,
+ .parallel_ts = 1,
+ .if2 = 45600,
+};
+
+static struct drxd_config em28xx_drxd = {
+ .demod_address = 0x70,
+ .demod_revision = 0xa2,
+ .pll_type = DRXD_PLL_NONE,
+ .clock = 12000,
+ .insert_rs_byte = 1,
+ .IF = 42800000,
+ .disable_i2c_gate_ctrl = 1,
+};
+
+static struct drxk_config terratec_h5_drxk = {
+ .adr = 0x29,
+ .single_master = 1,
+ .no_i2c_bridge = 1,
+ .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
+ .qam_demod_parameter_count = 2,
+};
+
+static struct drxk_config hauppauge_930c_drxk = {
+ .adr = 0x29,
+ .single_master = 1,
+ .no_i2c_bridge = 1,
+ .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
+ .chunk_size = 56,
+ .qam_demod_parameter_count = 2,
+};
+
+struct drxk_config terratec_htc_stick_drxk = {
+ .adr = 0x29,
+ .single_master = 1,
+ .no_i2c_bridge = 1,
+ .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw",
+ .chunk_size = 54,
+ .qam_demod_parameter_count = 2,
+ /* Required for the antenna_gpio to disable LNA. */
+ .antenna_dvbt = true,
+ /* The windows driver uses the same. This will disable LNA. */
+ .antenna_gpio = 0x6,
+};
+
+static struct drxk_config maxmedia_ub425_tc_drxk = {
+ .adr = 0x29,
+ .single_master = 1,
+ .no_i2c_bridge = 1,
+};
+
+static struct drxk_config pctv_520e_drxk = {
+ .adr = 0x29,
+ .single_master = 1,
+ .microcode_name = "dvb-demod-drxk-pctv.fw",
+ .qam_demod_parameter_count = 2,
+ .chunk_size = 58,
+ .antenna_dvbt = true, /* disable LNA */
+ .antenna_gpio = (1 << 2), /* disable LNA */
+};
+
+static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+ struct em28xx_dvb *dvb = fe->sec_priv;
+ int status;
+
+ if (!dvb)
+ return -EINVAL;
+
+ if (enable) {
+ down(&dvb->pll_mutex);
+ status = dvb->gate_ctrl(fe, 1);
+ } else {
+ status = dvb->gate_ctrl(fe, 0);
+ up(&dvb->pll_mutex);
+ }
+ return status;
+}
+
+static void hauppauge_hvr930c_init(struct em28xx *dev)
+{
+ int i;
+
+ struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
+ {EM2874_R80_GPIO, 0xff, 0xff, 0x65},
+ {EM2874_R80_GPIO, 0xfb, 0xff, 0x32},
+ {EM2874_R80_GPIO, 0xff, 0xff, 0xb8},
+ { -1, -1, -1, -1},
+ };
+ struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
+ {EM2874_R80_GPIO, 0xef, 0xff, 0x01},
+ {EM2874_R80_GPIO, 0xaf, 0xff, 0x65},
+ {EM2874_R80_GPIO, 0xef, 0xff, 0x76},
+ {EM2874_R80_GPIO, 0xef, 0xff, 0x01},
+ {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b},
+ {EM2874_R80_GPIO, 0xef, 0xff, 0x40},
+
+ {EM2874_R80_GPIO, 0xcf, 0xff, 0x65},
+ {EM2874_R80_GPIO, 0xef, 0xff, 0x65},
+ {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b},
+ {EM2874_R80_GPIO, 0xef, 0xff, 0x65},
+
+ { -1, -1, -1, -1},
+ };
+
+ struct {
+ unsigned char r[4];
+ int len;
+ } regs[] = {
+ {{ 0x06, 0x02, 0x00, 0x31 }, 4},
+ {{ 0x01, 0x02 }, 2},
+ {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
+ {{ 0x01, 0x00 }, 2},
+ {{ 0x01, 0x00, 0xff, 0xaf }, 4},
+ {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
+ {{ 0x01, 0x00 }, 2},
+ {{ 0x01, 0x00, 0x73, 0xaf }, 4},
+ {{ 0x04, 0x00 }, 2},
+ {{ 0x00, 0x04 }, 2},
+ {{ 0x00, 0x04, 0x00, 0x0a }, 4},
+ {{ 0x04, 0x14 }, 2},
+ {{ 0x04, 0x14, 0x00, 0x00 }, 4},
+ };
+
+ em28xx_gpio_set(dev, hauppauge_hvr930c_init);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
+ msleep(10);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
+ msleep(10);
+
+ dev->i2c_client.addr = 0x82 >> 1;
+
+ for (i = 0; i < ARRAY_SIZE(regs); i++)
+ i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
+ em28xx_gpio_set(dev, hauppauge_hvr930c_end);
+
+ msleep(100);
+
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
+ msleep(30);
+
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
+ msleep(10);
+
+}
+
+static void terratec_h5_init(struct em28xx *dev)
+{
+ int i;
+ struct em28xx_reg_seq terratec_h5_init[] = {
+ {EM28XX_R08_GPIO, 0xff, 0xff, 10},
+ {EM2874_R80_GPIO, 0xf6, 0xff, 100},
+ {EM2874_R80_GPIO, 0xf2, 0xff, 50},
+ {EM2874_R80_GPIO, 0xf6, 0xff, 100},
+ { -1, -1, -1, -1},
+ };
+ struct em28xx_reg_seq terratec_h5_end[] = {
+ {EM2874_R80_GPIO, 0xe6, 0xff, 100},
+ {EM2874_R80_GPIO, 0xa6, 0xff, 50},
+ {EM2874_R80_GPIO, 0xe6, 0xff, 100},
+ { -1, -1, -1, -1},
+ };
+ struct {
+ unsigned char r[4];
+ int len;
+ } regs[] = {
+ {{ 0x06, 0x02, 0x00, 0x31 }, 4},
+ {{ 0x01, 0x02 }, 2},
+ {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
+ {{ 0x01, 0x00 }, 2},
+ {{ 0x01, 0x00, 0xff, 0xaf }, 4},
+ {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
+ {{ 0x01, 0x00 }, 2},
+ {{ 0x01, 0x00, 0x73, 0xaf }, 4},
+ {{ 0x04, 0x00 }, 2},
+ {{ 0x00, 0x04 }, 2},
+ {{ 0x00, 0x04, 0x00, 0x0a }, 4},
+ {{ 0x04, 0x14 }, 2},
+ {{ 0x04, 0x14, 0x00, 0x00 }, 4},
+ };
+
+ em28xx_gpio_set(dev, terratec_h5_init);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
+ msleep(10);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
+ msleep(10);
+
+ dev->i2c_client.addr = 0x82 >> 1;
+
+ for (i = 0; i < ARRAY_SIZE(regs); i++)
+ i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
+ em28xx_gpio_set(dev, terratec_h5_end);
+};
+
+static void terratec_htc_stick_init(struct em28xx *dev)
+{
+ int i;
+
+ /*
+ * GPIO configuration:
+ * 0xff: unknown (does not affect DVB-T).
+ * 0xf6: DRX-K (demodulator).
+ * 0xe6: unknown (does not affect DVB-T).
+ * 0xb6: unknown (does not affect DVB-T).
+ */
+ struct em28xx_reg_seq terratec_htc_stick_init[] = {
+ {EM28XX_R08_GPIO, 0xff, 0xff, 10},
+ {EM2874_R80_GPIO, 0xf6, 0xff, 100},
+ {EM2874_R80_GPIO, 0xe6, 0xff, 50},
+ {EM2874_R80_GPIO, 0xf6, 0xff, 100},
+ { -1, -1, -1, -1},
+ };
+ struct em28xx_reg_seq terratec_htc_stick_end[] = {
+ {EM2874_R80_GPIO, 0xb6, 0xff, 100},
+ {EM2874_R80_GPIO, 0xf6, 0xff, 50},
+ { -1, -1, -1, -1},
+ };
+
+ /* Init the analog decoder? */
+ struct {
+ unsigned char r[4];
+ int len;
+ } regs[] = {
+ {{ 0x06, 0x02, 0x00, 0x31 }, 4},
+ {{ 0x01, 0x02 }, 2},
+ {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
+ {{ 0x01, 0x00 }, 2},
+ {{ 0x01, 0x00, 0xff, 0xaf }, 4},
+ };
+
+ em28xx_gpio_set(dev, terratec_htc_stick_init);
+
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
+ msleep(10);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
+ msleep(10);
+
+ dev->i2c_client.addr = 0x82 >> 1;
+
+ for (i = 0; i < ARRAY_SIZE(regs); i++)
+ i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
+
+ em28xx_gpio_set(dev, terratec_htc_stick_end);
+};
+
+static void pctv_520e_init(struct em28xx *dev)
+{
+ /*
+ * Init AVF4910B analog decoder. Looks like I2C traffic to
+ * digital demodulator and tuner are routed via AVF4910B.
+ */
+ int i;
+ struct {
+ unsigned char r[4];
+ int len;
+ } regs[] = {
+ {{ 0x06, 0x02, 0x00, 0x31 }, 4},
+ {{ 0x01, 0x02 }, 2},
+ {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
+ {{ 0x01, 0x00 }, 2},
+ {{ 0x01, 0x00, 0xff, 0xaf }, 4},
+ {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
+ {{ 0x01, 0x00 }, 2},
+ {{ 0x01, 0x00, 0x73, 0xaf }, 4},
+ };
+
+ dev->i2c_client.addr = 0x82 >> 1; /* 0x41 */
+
+ for (i = 0; i < ARRAY_SIZE(regs); i++)
+ i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
+};
+
+static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
+{
+ /* Values extracted from a USB trace of the Terratec Windows driver */
+ static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
+ static u8 reset[] = { RESET, 0x80 };
+ static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 };
+ static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 };
+ static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
+ static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d };
+ static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
+ static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
+ static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
+ static u8 tuner_go[] = { TUNER_GO, 0x01};
+
+ mt352_write(fe, clock_config, sizeof(clock_config));
+ udelay(200);
+ mt352_write(fe, reset, sizeof(reset));
+ mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
+ mt352_write(fe, agc_cfg, sizeof(agc_cfg));
+ mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
+ mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg));
+ mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
+ mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg));
+ mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg));
+ mt352_write(fe, tuner_go, sizeof(tuner_go));
+ return 0;
+}
+
+static struct mt352_config terratec_xs_mt352_cfg = {
+ .demod_address = (0x1e >> 1),
+ .no_tuner = 1,
+ .if2 = 45600,
+ .demod_init = em28xx_mt352_terratec_xs_init,
+};
+
+static struct tda10023_config em28xx_tda10023_config = {
+ .demod_address = 0x0c,
+ .invert = 1,
+};
+
+static struct cxd2820r_config em28xx_cxd2820r_config = {
+ .i2c_address = (0xd8 >> 1),
+ .ts_mode = CXD2820R_TS_SERIAL,
+
+ /* enable LNA for DVB-T, DVB-T2 and DVB-C */
+ .gpio_dvbt[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
+ .gpio_dvbt2[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
+ .gpio_dvbc[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L,
+};
+
+static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
+ .output_opt = TDA18271_OUTPUT_LT_OFF,
+ .gate = TDA18271_GATE_DIGITAL,
+};
+
+static const struct tda10071_config em28xx_tda10071_config = {
+ .i2c_address = 0x55, /* (0xaa >> 1) */
+ .i2c_wr_max = 64,
+ .ts_mode = TDA10071_TS_SERIAL,
+ .spec_inv = 0,
+ .xtal = 40444000, /* 40.444 MHz */
+ .pll_multiplier = 20,
+};
+
+static const struct a8293_config em28xx_a8293_config = {
+ .i2c_addr = 0x08, /* (0x10 >> 1) */
+};
+
+static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
+ .demod_address = (0x1e >> 1),
+ .disable_i2c_gate_ctrl = 1,
+ .no_tuner = 1,
+ .parallel_ts = 1,
+};
+static struct qt1010_config em28xx_qt1010_config = {
+ .i2c_address = 0x62
+
+};
+
+/* ------------------------------------------------------------------ */
+
+static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
+{
+ struct dvb_frontend *fe;
+ struct xc2028_config cfg;
+
+ memset(&cfg, 0, sizeof(cfg));
+ cfg.i2c_adap = &dev->i2c_adap;
+ cfg.i2c_addr = addr;
+
+ if (!dev->dvb->fe[0]) {
+ em28xx_errdev("/2: dvb frontend not attached. "
+ "Can't attach xc3028\n");
+ return -EINVAL;
+ }
+
+ fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
+ if (!fe) {
+ em28xx_errdev("/2: xc3028 attach failed\n");
+ dvb_frontend_detach(dev->dvb->fe[0]);
+ dev->dvb->fe[0] = NULL;
+ return -EINVAL;
+ }
+
+ em28xx_info("%s/2: xc3028 attached\n", dev->name);
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------ */
+
+static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
+ struct em28xx *dev, struct device *device)
+{
+ int result;
+
+ mutex_init(&dvb->lock);
+
+ /* register adapter */
+ result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
+ adapter_nr);
+ if (result < 0) {
+ printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
+ dev->name, result);
+ goto fail_adapter;
+ }
+
+ /* Ensure all frontends negotiate bus access */
+ dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
+ if (dvb->fe[1])
+ dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
+
+ dvb->adapter.priv = dev;
+
+ /* register frontend */
+ result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
+ if (result < 0) {
+ printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
+ dev->name, result);
+ goto fail_frontend0;
+ }
+
+ /* register 2nd frontend */
+ if (dvb->fe[1]) {
+ result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
+ if (result < 0) {
+ printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
+ dev->name, result);
+ goto fail_frontend1;
+ }
+ }
+
+ /* register demux stuff */
+ dvb->demux.dmx.capabilities =
+ DMX_TS_FILTERING | DMX_SECTION_FILTERING |
+ DMX_MEMORY_BASED_FILTERING;
+ dvb->demux.priv = dvb;
+ dvb->demux.filternum = 256;
+ dvb->demux.feednum = 256;
+ dvb->demux.start_feed = em28xx_start_feed;
+ dvb->demux.stop_feed = em28xx_stop_feed;
+
+ result = dvb_dmx_init(&dvb->demux);
+ if (result < 0) {
+ printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
+ dev->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_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
+ dev->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_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
+ dev->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_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
+ dev->name, result);
+ goto fail_fe_mem;
+ }
+
+ result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+ if (result < 0) {
+ printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
+ dev->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:
+ if (dvb->fe[1])
+ dvb_unregister_frontend(dvb->fe[1]);
+ dvb_unregister_frontend(dvb->fe[0]);
+fail_frontend1:
+ if (dvb->fe[1])
+ dvb_frontend_detach(dvb->fe[1]);
+fail_frontend0:
+ dvb_frontend_detach(dvb->fe[0]);
+ dvb_unregister_adapter(&dvb->adapter);
+fail_adapter:
+ return result;
+}
+
+static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
+{
+ 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);
+ if (dvb->fe[1])
+ dvb_unregister_frontend(dvb->fe[1]);
+ dvb_unregister_frontend(dvb->fe[0]);
+ if (dvb->fe[1] && !dvb->dont_attach_fe1)
+ dvb_frontend_detach(dvb->fe[1]);
+ dvb_frontend_detach(dvb->fe[0]);
+ dvb_unregister_adapter(&dvb->adapter);
+}
+
+static int em28xx_dvb_init(struct em28xx *dev)
+{
+ int result = 0, mfe_shared = 0;
+ struct em28xx_dvb *dvb;
+
+ if (!dev->board.has_dvb) {
+ /* This device does not support the extension */
+ printk(KERN_INFO "em28xx_dvb: This device does not support the extension\n");
+ return 0;
+ }
+
+ dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
+
+ if (dvb == NULL) {
+ em28xx_info("em28xx_dvb: memory allocation failed\n");
+ return -ENOMEM;
+ }
+ dev->dvb = dvb;
+ dvb->fe[0] = dvb->fe[1] = NULL;
+
+ mutex_lock(&dev->lock);
+ em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
+ /* init frontend */
+ switch (dev->model) {
+ case EM2874_BOARD_LEADERSHIP_ISDBT:
+ dvb->fe[0] = dvb_attach(s921_attach,
+ &sharp_isdbt, &dev->i2c_adap);
+
+ if (!dvb->fe[0]) {
+ result = -EINVAL;
+ goto out_free;
+ }
+
+ break;
+ case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
+ case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
+ case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
+ case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
+ dvb->fe[0] = dvb_attach(lgdt330x_attach,
+ &em2880_lgdt3303_dev,
+ &dev->i2c_adap);
+ if (em28xx_attach_xc3028(0x61, dev) < 0) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ break;
+ case EM2880_BOARD_KWORLD_DVB_310U:
+ dvb->fe[0] = dvb_attach(zl10353_attach,
+ &em28xx_zl10353_with_xc3028,
+ &dev->i2c_adap);
+ if (em28xx_attach_xc3028(0x61, dev) < 0) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ break;
+ case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
+ case EM2882_BOARD_TERRATEC_HYBRID_XS:
+ case EM2880_BOARD_EMPIRE_DUAL_TV:
+ dvb->fe[0] = dvb_attach(zl10353_attach,
+ &em28xx_zl10353_xc3028_no_i2c_gate,
+ &dev->i2c_adap);
+ if (em28xx_attach_xc3028(0x61, dev) < 0) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ break;
+ case EM2880_BOARD_TERRATEC_HYBRID_XS:
+ case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
+ case EM2881_BOARD_PINNACLE_HYBRID_PRO:
+ case EM2882_BOARD_DIKOM_DK300:
+ case EM2882_BOARD_KWORLD_VS_DVBT:
+ dvb->fe[0] = dvb_attach(zl10353_attach,
+ &em28xx_zl10353_xc3028_no_i2c_gate,
+ &dev->i2c_adap);
+ if (dvb->fe[0] == NULL) {
+ /* This board could have either a zl10353 or a mt352.
+ If the chip id isn't for zl10353, try mt352 */
+ dvb->fe[0] = dvb_attach(mt352_attach,
+ &terratec_xs_mt352_cfg,
+ &dev->i2c_adap);
+ }
+
+ if (em28xx_attach_xc3028(0x61, dev) < 0) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ break;
+ case EM2870_BOARD_KWORLD_355U:
+ dvb->fe[0] = dvb_attach(zl10353_attach,
+ &em28xx_zl10353_no_i2c_gate_dev,
+ &dev->i2c_adap);
+ if (dvb->fe[0] != NULL)
+ dvb_attach(qt1010_attach, dvb->fe[0],
+ &dev->i2c_adap, &em28xx_qt1010_config);
+ break;
+ case EM2883_BOARD_KWORLD_HYBRID_330U:
+ case EM2882_BOARD_EVGA_INDTUBE:
+ dvb->fe[0] = dvb_attach(s5h1409_attach,
+ &em28xx_s5h1409_with_xc3028,
+ &dev->i2c_adap);
+ if (em28xx_attach_xc3028(0x61, dev) < 0) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ break;
+ case EM2882_BOARD_KWORLD_ATSC_315U:
+ dvb->fe[0] = dvb_attach(lgdt330x_attach,
+ &em2880_lgdt3303_dev,
+ &dev->i2c_adap);
+ if (dvb->fe[0] != NULL) {
+ if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
+ &dev->i2c_adap, 0x61, TUNER_THOMSON_DTT761X)) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ }
+ break;
+ case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
+ case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
+ dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
+ &dev->i2c_adap, &dev->udev->dev);
+ if (em28xx_attach_xc3028(0x61, dev) < 0) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ break;
+ case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
+ /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
+ dvb->fe[0] = dvb_attach(tda10023_attach,
+ &em28xx_tda10023_config,
+ &dev->i2c_adap, 0x48);
+ if (dvb->fe[0]) {
+ if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
+ &dev->i2c_adap, 0x60, TUNER_PHILIPS_CU1216L)) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ }
+ break;
+ case EM2870_BOARD_KWORLD_A340:
+ dvb->fe[0] = dvb_attach(lgdt3305_attach,
+ &em2870_lgdt3304_dev,
+ &dev->i2c_adap);
+ if (dvb->fe[0] != NULL)
+ dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
+ &dev->i2c_adap, &kworld_a340_config);
+ break;
+ case EM28174_BOARD_PCTV_290E:
+ dvb->fe[0] = dvb_attach(cxd2820r_attach,
+ &em28xx_cxd2820r_config,
+ &dev->i2c_adap);
+ if (dvb->fe[0]) {
+ /* FE 0 attach tuner */
+ if (!dvb_attach(tda18271_attach,
+ dvb->fe[0],
+ 0x60,
+ &dev->i2c_adap,
+ &em28xx_cxd2820r_tda18271_config)) {
+
+ dvb_frontend_detach(dvb->fe[0]);
+ result = -EINVAL;
+ goto out_free;
+ }
+ }
+ break;
+ case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
+ {
+ struct xc5000_config cfg;
+ hauppauge_hvr930c_init(dev);
+
+ dvb->fe[0] = dvb_attach(drxk_attach,
+ &hauppauge_930c_drxk, &dev->i2c_adap);
+ if (!dvb->fe[0]) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ /* FIXME: do we need a pll semaphore? */
+ dvb->fe[0]->sec_priv = dvb;
+ sema_init(&dvb->pll_mutex, 1);
+ dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
+ dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
+
+ /* Attach xc5000 */
+ memset(&cfg, 0, sizeof(cfg));
+ cfg.i2c_address = 0x61;
+ cfg.if_khz = 4000;
+
+ if (dvb->fe[0]->ops.i2c_gate_ctrl)
+ dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
+ if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap,
+ &cfg)) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ if (dvb->fe[0]->ops.i2c_gate_ctrl)
+ dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
+
+ break;
+ }
+ case EM2884_BOARD_TERRATEC_H5:
+ terratec_h5_init(dev);
+
+ dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap);
+ if (!dvb->fe[0]) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ /* FIXME: do we need a pll semaphore? */
+ dvb->fe[0]->sec_priv = dvb;
+ sema_init(&dvb->pll_mutex, 1);
+ dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
+ dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
+
+ /* Attach tda18271 to DVB-C frontend */
+ if (dvb->fe[0]->ops.i2c_gate_ctrl)
+ dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
+ if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap, 0x60)) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ if (dvb->fe[0]->ops.i2c_gate_ctrl)
+ dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
+
+ break;
+ case EM28174_BOARD_PCTV_460E:
+ /* attach demod */
+ dvb->fe[0] = dvb_attach(tda10071_attach,
+ &em28xx_tda10071_config, &dev->i2c_adap);
+
+ /* attach SEC */
+ if (dvb->fe[0])
+ dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap,
+ &em28xx_a8293_config);
+ break;
+ case EM2874_BOARD_MAXMEDIA_UB425_TC:
+ /* attach demodulator */
+ dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
+ &dev->i2c_adap);
+
+ if (dvb->fe[0]) {
+ /* disable I2C-gate */
+ dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
+
+ /* attach tuner */
+ if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0],
+ &dev->i2c_adap, 0x60)) {
+ dvb_frontend_detach(dvb->fe[0]);
+ result = -EINVAL;
+ goto out_free;
+ }
+ }
+
+ /* TODO: we need drx-3913k firmware in order to support DVB-T */
+ em28xx_info("MaxMedia UB425-TC: only DVB-C supported by that " \
+ "driver version\n");
+
+ break;
+ case EM2884_BOARD_PCTV_510E:
+ case EM2884_BOARD_PCTV_520E:
+ pctv_520e_init(dev);
+
+ /* attach demodulator */
+ dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
+ &dev->i2c_adap);
+
+ if (dvb->fe[0]) {
+ /* attach tuner */
+ if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
+ &dev->i2c_adap,
+ &em28xx_cxd2820r_tda18271_config)) {
+ dvb_frontend_detach(dvb->fe[0]);
+ result = -EINVAL;
+ goto out_free;
+ }
+ }
+ break;
+ case EM2884_BOARD_CINERGY_HTC_STICK:
+ terratec_htc_stick_init(dev);
+
+ /* attach demodulator */
+ dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
+ &dev->i2c_adap);
+ if (!dvb->fe[0]) {
+ result = -EINVAL;
+ goto out_free;
+ }
+
+ /* Attach the demodulator. */
+ if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
+ &dev->i2c_adap,
+ &em28xx_cxd2820r_tda18271_config)) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ break;
+ default:
+ em28xx_errdev("/2: The frontend of your DVB/ATSC card"
+ " isn't supported yet\n");
+ break;
+ }
+ if (NULL == dvb->fe[0]) {
+ em28xx_errdev("/2: frontend initialization failed\n");
+ result = -EINVAL;
+ goto out_free;
+ }
+ /* define general-purpose callback pointer */
+ dvb->fe[0]->callback = em28xx_tuner_callback;
+ if (dvb->fe[1])
+ dvb->fe[1]->callback = em28xx_tuner_callback;
+
+ /* register everything */
+ result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
+
+ if (result < 0)
+ goto out_free;
+
+ /* MFE lock */
+ dvb->adapter.mfe_shared = mfe_shared;
+
+ em28xx_info("Successfully loaded em28xx-dvb\n");
+ret:
+ em28xx_set_mode(dev, EM28XX_SUSPEND);
+ mutex_unlock(&dev->lock);
+ return result;
+
+out_free:
+ kfree(dvb);
+ dev->dvb = NULL;
+ goto ret;
+}
+
+static inline void prevent_sleep(struct dvb_frontend_ops *ops)
+{
+ ops->set_voltage = NULL;
+ ops->sleep = NULL;
+ ops->tuner_ops.sleep = NULL;
+}
+
+static int em28xx_dvb_fini(struct em28xx *dev)
+{
+ if (!dev->board.has_dvb) {
+ /* This device does not support the extension */
+ return 0;
+ }
+
+ if (dev->dvb) {
+ struct em28xx_dvb *dvb = dev->dvb;
+
+ if (dev->state & DEV_DISCONNECTED) {
+ /* We cannot tell the device to sleep
+ * once it has been unplugged. */
+ if (dvb->fe[0])
+ prevent_sleep(&dvb->fe[0]->ops);
+ if (dvb->fe[1])
+ prevent_sleep(&dvb->fe[1]->ops);
+ }
+
+ em28xx_unregister_dvb(dvb);
+ kfree(dvb);
+ dev->dvb = NULL;
+ }
+
+ return 0;
+}
+
+static struct em28xx_ops dvb_ops = {
+ .id = EM28XX_DVB,
+ .name = "Em28xx dvb Extension",
+ .init = em28xx_dvb_init,
+ .fini = em28xx_dvb_fini,
+};
+
+static int __init em28xx_dvb_register(void)
+{
+ return em28xx_register_extension(&dvb_ops);
+}
+
+static void __exit em28xx_dvb_unregister(void)
+{
+ em28xx_unregister_extension(&dvb_ops);
+}
+
+module_init(em28xx_dvb_register);
+module_exit(em28xx_dvb_unregister);