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android_kernel_xiaomi_sm8350/drivers/media/video/cx23885/cx23885-dvb.c
Darron Broad 96b7a1a838 V4L/DVB (9271): videobuf: data storage optimisation (2) 
To optimise data storage even further one other redundant
var has been removed.

This also removes a redundant assignment.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17 17:29:59 -03:00

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/*
* Driver for the Conexant CX23885 PCIe bridge
*
* Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
*
* 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, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/kthread.h>
#include <linux/file.h>
#include <linux/suspend.h>
#include "cx23885.h"
#include <media/v4l2-common.h>
#include "s5h1409.h"
#include "s5h1411.h"
#include "mt2131.h"
#include "tda8290.h"
#include "tda18271.h"
#include "lgdt330x.h"
#include "xc5000.h"
#include "tda10048.h"
#include "tuner-xc2028.h"
#include "tuner-simple.h"
#include "dib7000p.h"
#include "dibx000_common.h"
#include "zl10353.h"
static unsigned int debug;
#define dprintk(level, fmt, arg...)\
do { if (debug >= level)\
printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
} while (0)
/* ------------------------------------------------------------------ */
static unsigned int alt_tuner;
module_param(alt_tuner, int, 0644);
MODULE_PARM_DESC(alt_tuner, "Enable alternate tuner configuration");
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
/* ------------------------------------------------------------------ */
static int dvb_buf_setup(struct videobuf_queue *q,
unsigned int *count, unsigned int *size)
{
struct cx23885_tsport *port = q->priv_data;
port->ts_packet_size = 188 * 4;
port->ts_packet_count = 32;
*size = port->ts_packet_size * port->ts_packet_count;
*count = 32;
return 0;
}
static int dvb_buf_prepare(struct videobuf_queue *q,
struct videobuf_buffer *vb, enum v4l2_field field)
{
struct cx23885_tsport *port = q->priv_data;
return cx23885_buf_prepare(q, port, (struct cx23885_buffer *)vb, field);
}
static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
{
struct cx23885_tsport *port = q->priv_data;
cx23885_buf_queue(port, (struct cx23885_buffer *)vb);
}
static void dvb_buf_release(struct videobuf_queue *q,
struct videobuf_buffer *vb)
{
cx23885_free_buffer(q, (struct cx23885_buffer *)vb);
}
static struct videobuf_queue_ops dvb_qops = {
.buf_setup = dvb_buf_setup,
.buf_prepare = dvb_buf_prepare,
.buf_queue = dvb_buf_queue,
.buf_release = dvb_buf_release,
};
static struct s5h1409_config hauppauge_generic_config = {
.demod_address = 0x32 >> 1,
.output_mode = S5H1409_SERIAL_OUTPUT,
.gpio = S5H1409_GPIO_ON,
.qam_if = 44000,
.inversion = S5H1409_INVERSION_OFF,
.status_mode = S5H1409_DEMODLOCKING,
.mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
};
static struct tda10048_config hauppauge_hvr1200_config = {
.demod_address = 0x10 >> 1,
.output_mode = TDA10048_SERIAL_OUTPUT,
.fwbulkwritelen = TDA10048_BULKWRITE_200,
.inversion = TDA10048_INVERSION_ON
};
static struct s5h1409_config hauppauge_ezqam_config = {
.demod_address = 0x32 >> 1,
.output_mode = S5H1409_SERIAL_OUTPUT,
.gpio = S5H1409_GPIO_OFF,
.qam_if = 4000,
.inversion = S5H1409_INVERSION_ON,
.status_mode = S5H1409_DEMODLOCKING,
.mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
};
static struct s5h1409_config hauppauge_hvr1800lp_config = {
.demod_address = 0x32 >> 1,
.output_mode = S5H1409_SERIAL_OUTPUT,
.gpio = S5H1409_GPIO_OFF,
.qam_if = 44000,
.inversion = S5H1409_INVERSION_OFF,
.status_mode = S5H1409_DEMODLOCKING,
.mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
};
static struct s5h1409_config hauppauge_hvr1500_config = {
.demod_address = 0x32 >> 1,
.output_mode = S5H1409_SERIAL_OUTPUT,
.gpio = S5H1409_GPIO_OFF,
.inversion = S5H1409_INVERSION_OFF,
.status_mode = S5H1409_DEMODLOCKING,
.mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
};
static struct mt2131_config hauppauge_generic_tunerconfig = {
0x61
};
static struct lgdt330x_config fusionhdtv_5_express = {
.demod_address = 0x0e,
.demod_chip = LGDT3303,
.serial_mpeg = 0x40,
};
static struct s5h1409_config hauppauge_hvr1500q_config = {
.demod_address = 0x32 >> 1,
.output_mode = S5H1409_SERIAL_OUTPUT,
.gpio = S5H1409_GPIO_ON,
.qam_if = 44000,
.inversion = S5H1409_INVERSION_OFF,
.status_mode = S5H1409_DEMODLOCKING,
.mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
};
static struct s5h1409_config dvico_s5h1409_config = {
.demod_address = 0x32 >> 1,
.output_mode = S5H1409_SERIAL_OUTPUT,
.gpio = S5H1409_GPIO_ON,
.qam_if = 44000,
.inversion = S5H1409_INVERSION_OFF,
.status_mode = S5H1409_DEMODLOCKING,
.mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
};
static struct s5h1411_config dvico_s5h1411_config = {
.output_mode = S5H1411_SERIAL_OUTPUT,
.gpio = S5H1411_GPIO_ON,
.qam_if = S5H1411_IF_44000,
.vsb_if = S5H1411_IF_44000,
.inversion = S5H1411_INVERSION_OFF,
.status_mode = S5H1411_DEMODLOCKING,
.mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
};
static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
.i2c_address = 0x61,
.if_khz = 5380,
};
static struct xc5000_config dvico_xc5000_tunerconfig = {
.i2c_address = 0x64,
.if_khz = 5380,
};
static struct tda829x_config tda829x_no_probe = {
.probe_tuner = TDA829X_DONT_PROBE,
};
static struct tda18271_std_map hauppauge_tda18271_std_map = {
.atsc_6 = { .if_freq = 5380, .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_tda18271_config = {
.std_map = &hauppauge_tda18271_std_map,
.gate = TDA18271_GATE_ANALOG,
};
static struct tda18271_config hauppauge_hvr1200_tuner_config = {
.gate = TDA18271_GATE_ANALOG,
};
static struct dibx000_agc_config xc3028_agc_config = {
BAND_VHF | BAND_UHF, /* band_caps */
/* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=0,
* P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
* P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0,
* P_agc_nb_est=2, P_agc_write=0
*/
(0 << 15) | (0 << 14) | (0 << 11) | (0 << 10) | (0 << 9) | (0 << 8) |
(3 << 5) | (0 << 4) | (2 << 1) | (0 << 0), /* setup */
712, /* inv_gain */
21, /* time_stabiliz */
0, /* alpha_level */
118, /* thlock */
0, /* wbd_inv */
2867, /* wbd_ref */
0, /* wbd_sel */
2, /* wbd_alpha */
0, /* agc1_max */
0, /* agc1_min */
39718, /* agc2_max */
9930, /* agc2_min */
0, /* agc1_pt1 */
0, /* agc1_pt2 */
0, /* agc1_pt3 */
0, /* agc1_slope1 */
0, /* agc1_slope2 */
0, /* agc2_pt1 */
128, /* agc2_pt2 */
29, /* agc2_slope1 */
29, /* agc2_slope2 */
17, /* alpha_mant */
27, /* alpha_exp */
23, /* beta_mant */
51, /* beta_exp */
1, /* perform_agc_softsplit */
};
/* PLL Configuration for COFDM BW_MHz = 8.000000
* With external clock = 30.000000 */
static struct dibx000_bandwidth_config xc3028_bw_config = {
60000, /* internal */
30000, /* sampling */
1, /* pll_cfg: prediv */
8, /* pll_cfg: ratio */
3, /* pll_cfg: range */
1, /* pll_cfg: reset */
0, /* pll_cfg: bypass */
0, /* misc: refdiv */
0, /* misc: bypclk_div */
1, /* misc: IO_CLK_en_core */
1, /* misc: ADClkSrc */
0, /* misc: modulo */
(3 << 14) | (1 << 12) | (524 << 0), /* sad_cfg: refsel, sel, freq_15k */
(1 << 25) | 5816102, /* ifreq = 5.200000 MHz */
20452225, /* timf */
30000000 /* xtal_hz */
};
static struct dib7000p_config hauppauge_hvr1400_dib7000_config = {
.output_mpeg2_in_188_bytes = 1,
.hostbus_diversity = 1,
.tuner_is_baseband = 0,
.update_lna = NULL,
.agc_config_count = 1,
.agc = &xc3028_agc_config,
.bw = &xc3028_bw_config,
.gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
.gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
.gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
.pwm_freq_div = 0,
.agc_control = NULL,
.spur_protect = 0,
.output_mode = OUTMODE_MPEG2_SERIAL,
};
static struct zl10353_config dvico_fusionhdtv_xc3028 = {
.demod_address = 0x0f,
.if2 = 45600,
.no_tuner = 1,
};
static int dvb_register(struct cx23885_tsport *port)
{
struct cx23885_dev *dev = port->dev;
struct cx23885_i2c *i2c_bus = NULL;
struct videobuf_dvb_frontend *fe0;
/* Get the first frontend */
fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
if (!fe0)
return -EINVAL;
/* init struct videobuf_dvb */
fe0->dvb.name = dev->name;
/* init frontend */
switch (dev->board) {
case CX23885_BOARD_HAUPPAUGE_HVR1250:
i2c_bus = &dev->i2c_bus[0];
fe0->dvb.frontend = dvb_attach(s5h1409_attach,
&hauppauge_generic_config,
&i2c_bus->i2c_adap);
if (fe0->dvb.frontend != NULL) {
dvb_attach(mt2131_attach, fe0->dvb.frontend,
&i2c_bus->i2c_adap,
&hauppauge_generic_tunerconfig, 0);
}
break;
case CX23885_BOARD_HAUPPAUGE_HVR1800:
i2c_bus = &dev->i2c_bus[0];
switch (alt_tuner) {
case 1:
fe0->dvb.frontend =
dvb_attach(s5h1409_attach,
&hauppauge_ezqam_config,
&i2c_bus->i2c_adap);
if (fe0->dvb.frontend != NULL) {
dvb_attach(tda829x_attach, fe0->dvb.frontend,
&dev->i2c_bus[1].i2c_adap, 0x42,
&tda829x_no_probe);
dvb_attach(tda18271_attach, fe0->dvb.frontend,
0x60, &dev->i2c_bus[1].i2c_adap,
&hauppauge_tda18271_config);
}
break;
case 0:
default:
fe0->dvb.frontend =
dvb_attach(s5h1409_attach,
&hauppauge_generic_config,
&i2c_bus->i2c_adap);
if (fe0->dvb.frontend != NULL)
dvb_attach(mt2131_attach, fe0->dvb.frontend,
&i2c_bus->i2c_adap,
&hauppauge_generic_tunerconfig, 0);
break;
}
break;
case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
i2c_bus = &dev->i2c_bus[0];
fe0->dvb.frontend = dvb_attach(s5h1409_attach,
&hauppauge_hvr1800lp_config,
&i2c_bus->i2c_adap);
if (fe0->dvb.frontend != NULL) {
dvb_attach(mt2131_attach, fe0->dvb.frontend,
&i2c_bus->i2c_adap,
&hauppauge_generic_tunerconfig, 0);
}
break;
case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
i2c_bus = &dev->i2c_bus[0];
fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
&fusionhdtv_5_express,
&i2c_bus->i2c_adap);
if (fe0->dvb.frontend != NULL) {
dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
&i2c_bus->i2c_adap, 0x61,
TUNER_LG_TDVS_H06XF);
}
break;
case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
i2c_bus = &dev->i2c_bus[1];
fe0->dvb.frontend = dvb_attach(s5h1409_attach,
&hauppauge_hvr1500q_config,
&dev->i2c_bus[0].i2c_adap);
if (fe0->dvb.frontend != NULL)
dvb_attach(xc5000_attach, fe0->dvb.frontend,
&i2c_bus->i2c_adap,
&hauppauge_hvr1500q_tunerconfig);
break;
case CX23885_BOARD_HAUPPAUGE_HVR1500:
i2c_bus = &dev->i2c_bus[1];
fe0->dvb.frontend = dvb_attach(s5h1409_attach,
&hauppauge_hvr1500_config,
&dev->i2c_bus[0].i2c_adap);
if (fe0->dvb.frontend != NULL) {
struct dvb_frontend *fe;
struct xc2028_config cfg = {
.i2c_adap = &i2c_bus->i2c_adap,
.i2c_addr = 0x61,
};
static struct xc2028_ctrl ctl = {
.fname = XC2028_DEFAULT_FIRMWARE,
.max_len = 64,
.scode_table = XC3028_FE_OREN538,
};
fe = dvb_attach(xc2028_attach,
fe0->dvb.frontend, &cfg);
if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
fe->ops.tuner_ops.set_config(fe, &ctl);
}
break;
case CX23885_BOARD_HAUPPAUGE_HVR1200:
case CX23885_BOARD_HAUPPAUGE_HVR1700:
i2c_bus = &dev->i2c_bus[0];
fe0->dvb.frontend = dvb_attach(tda10048_attach,
&hauppauge_hvr1200_config,
&i2c_bus->i2c_adap);
if (fe0->dvb.frontend != NULL) {
dvb_attach(tda829x_attach, fe0->dvb.frontend,
&dev->i2c_bus[1].i2c_adap, 0x42,
&tda829x_no_probe);
dvb_attach(tda18271_attach, fe0->dvb.frontend,
0x60, &dev->i2c_bus[1].i2c_adap,
&hauppauge_hvr1200_tuner_config);
}
break;
case CX23885_BOARD_HAUPPAUGE_HVR1400:
i2c_bus = &dev->i2c_bus[0];
fe0->dvb.frontend = dvb_attach(dib7000p_attach,
&i2c_bus->i2c_adap,
0x12, &hauppauge_hvr1400_dib7000_config);
if (fe0->dvb.frontend != NULL) {
struct dvb_frontend *fe;
struct xc2028_config cfg = {
.i2c_adap = &dev->i2c_bus[1].i2c_adap,
.i2c_addr = 0x64,
};
static struct xc2028_ctrl ctl = {
.fname = XC3028L_DEFAULT_FIRMWARE,
.max_len = 64,
.demod = 5000,
/* This is true for all demods with
v36 firmware? */
.type = XC2028_D2633,
};
fe = dvb_attach(xc2028_attach,
fe0->dvb.frontend, &cfg);
if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
fe->ops.tuner_ops.set_config(fe, &ctl);
}
break;
case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
i2c_bus = &dev->i2c_bus[port->nr - 1];
fe0->dvb.frontend = dvb_attach(s5h1409_attach,
&dvico_s5h1409_config,
&i2c_bus->i2c_adap);
if (fe0->dvb.frontend == NULL)
fe0->dvb.frontend = dvb_attach(s5h1411_attach,
&dvico_s5h1411_config,
&i2c_bus->i2c_adap);
if (fe0->dvb.frontend != NULL)
dvb_attach(xc5000_attach, fe0->dvb.frontend,
&i2c_bus->i2c_adap,
&dvico_xc5000_tunerconfig);
break;
case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: {
i2c_bus = &dev->i2c_bus[port->nr - 1];
fe0->dvb.frontend = dvb_attach(zl10353_attach,
&dvico_fusionhdtv_xc3028,
&i2c_bus->i2c_adap);
if (fe0->dvb.frontend != NULL) {
struct dvb_frontend *fe;
struct xc2028_config cfg = {
.i2c_adap = &i2c_bus->i2c_adap,
.i2c_addr = 0x61,
};
static struct xc2028_ctrl ctl = {
.fname = XC2028_DEFAULT_FIRMWARE,
.max_len = 64,
.demod = XC3028_FE_ZARLINK456,
};
fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
&cfg);
if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
fe->ops.tuner_ops.set_config(fe, &ctl);
}
break;
}
case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H:
i2c_bus = &dev->i2c_bus[0];
fe0->dvb.frontend = dvb_attach(zl10353_attach,
&dvico_fusionhdtv_xc3028,
&i2c_bus->i2c_adap);
if (fe0->dvb.frontend != NULL) {
struct dvb_frontend *fe;
struct xc2028_config cfg = {
.i2c_adap = &dev->i2c_bus[1].i2c_adap,
.i2c_addr = 0x61,
};
static struct xc2028_ctrl ctl = {
.fname = XC2028_DEFAULT_FIRMWARE,
.max_len = 64,
.demod = XC3028_FE_ZARLINK456,
};
fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
&cfg);
if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
fe->ops.tuner_ops.set_config(fe, &ctl);
}
break;
default:
printk(KERN_INFO "%s: The frontend of your DVB/ATSC card "
" isn't supported yet\n",
dev->name);
break;
}
if (NULL == fe0->dvb.frontend) {
printk(KERN_ERR "%s: frontend initialization failed\n",
dev->name);
return -1;
}
/* define general-purpose callback pointer */
fe0->dvb.frontend->callback = cx23885_tuner_callback;
/* Put the analog decoder in standby to keep it quiet */
cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
if (fe0->dvb.frontend->ops.analog_ops.standby)
fe0->dvb.frontend->ops.analog_ops.standby(fe0->dvb.frontend);
/* register everything */
return videobuf_dvb_register_bus(&port->frontends, THIS_MODULE, port,
&dev->pci->dev, adapter_nr, 0);
}
int cx23885_dvb_register(struct cx23885_tsport *port)
{
struct videobuf_dvb_frontend *fe0;
struct cx23885_dev *dev = port->dev;
int err, i;
/* Here we need to allocate the correct number of frontends,
* as reflected in the cards struct. The reality is that currrently
* no cx23885 boards support this - yet. But, if we don't modify this
* code then the second frontend would never be allocated (later)
* and fail with error before the attach in dvb_register().
* Without these changes we risk an OOPS later. The changes here
* are for safety, and should provide a good foundation for the
* future addition of any multi-frontend cx23885 based boards.
*/
printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__,
port->num_frontends);
for (i = 1; i <= port->num_frontends; i++) {
if (videobuf_dvb_alloc_frontend(
&port->frontends, i) == NULL) {
printk(KERN_ERR "%s() failed to alloc\n", __func__);
return -ENOMEM;
}
fe0 = videobuf_dvb_get_frontend(&port->frontends, i);
if (!fe0)
err = -EINVAL;
dprintk(1, "%s\n", __func__);
dprintk(1, " ->probed by Card=%d Name=%s, PCI %02x:%02x\n",
dev->board,
dev->name,
dev->pci_bus,
dev->pci_slot);
err = -ENODEV;
/* dvb stuff */
/* We have to init the queue for each frontend on a port. */
printk(KERN_INFO "%s: cx23885 based dvb card\n", dev->name);
videobuf_queue_sg_init(&fe0->dvb.dvbq, &dvb_qops,
&dev->pci->dev, &port->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
sizeof(struct cx23885_buffer), port);
}
err = dvb_register(port);
if (err != 0)
printk(KERN_ERR "%s() dvb_register failed err = %d\n",
__func__, err);
return err;
}
int cx23885_dvb_unregister(struct cx23885_tsport *port)
{
struct videobuf_dvb_frontend *fe0;
/* FIXME: in an error condition where the we have
* an expected number of frontends (attach problem)
* then this might not clean up correctly, if 1
* is invalid.
* This comment only applies to future boards IF they
* implement MFE support.
*/
fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
if (fe0->dvb.frontend)
videobuf_dvb_unregister_bus(&port->frontends);
return 0;
}
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