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83afb32aa9
Instead of using printk(KERN_foo, use pr_foo() macros. No functional changes. Note: we should do the same for dprintk(), but that would require to remove the dprintk levels. So, for now, let's not touch on it. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
646 lines
15 KiB
C
646 lines
15 KiB
C
/*
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* Driver for the Auvitek USB bridge
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*
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* Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "au0828.h"
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <media/v4l2-common.h>
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#include <media/tuner.h>
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#include "au8522.h"
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#include "xc5000.h"
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#include "mxl5007t.h"
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#include "tda18271.h"
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static int preallocate_big_buffers;
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module_param_named(preallocate_big_buffers, preallocate_big_buffers, int, 0644);
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MODULE_PARM_DESC(preallocate_big_buffers, "Preallocate the larger transfer buffers at module load time");
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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#define _AU0828_BULKPIPE 0x83
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#define _BULKPIPESIZE 0xe522
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static u8 hauppauge_hvr950q_led_states[] = {
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0x00, /* off */
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0x02, /* yellow */
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0x04, /* green */
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};
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static struct au8522_led_config hauppauge_hvr950q_led_cfg = {
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.gpio_output = 0x00e0,
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.gpio_output_enable = 0x6006,
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.gpio_output_disable = 0x0660,
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.gpio_leds = 0x00e2,
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.led_states = hauppauge_hvr950q_led_states,
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.num_led_states = sizeof(hauppauge_hvr950q_led_states),
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.vsb8_strong = 20 /* dB */ * 10,
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.qam64_strong = 25 /* dB */ * 10,
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.qam256_strong = 32 /* dB */ * 10,
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};
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static struct au8522_config hauppauge_hvr950q_config = {
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.demod_address = 0x8e >> 1,
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.status_mode = AU8522_DEMODLOCKING,
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.qam_if = AU8522_IF_6MHZ,
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.vsb_if = AU8522_IF_6MHZ,
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.led_cfg = &hauppauge_hvr950q_led_cfg,
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};
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static struct au8522_config fusionhdtv7usb_config = {
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.demod_address = 0x8e >> 1,
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.status_mode = AU8522_DEMODLOCKING,
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.qam_if = AU8522_IF_6MHZ,
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.vsb_if = AU8522_IF_6MHZ,
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};
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static struct au8522_config hauppauge_woodbury_config = {
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.demod_address = 0x8e >> 1,
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.status_mode = AU8522_DEMODLOCKING,
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.qam_if = AU8522_IF_4MHZ,
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.vsb_if = AU8522_IF_3_25MHZ,
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};
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static struct xc5000_config hauppauge_xc5000a_config = {
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.i2c_address = 0x61,
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.if_khz = 6000,
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.chip_id = XC5000A,
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};
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static struct xc5000_config hauppauge_xc5000c_config = {
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.i2c_address = 0x61,
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.if_khz = 6000,
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.chip_id = XC5000C,
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};
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static struct mxl5007t_config mxl5007t_hvr950q_config = {
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.xtal_freq_hz = MxL_XTAL_24_MHZ,
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.if_freq_hz = MxL_IF_6_MHZ,
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};
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static struct tda18271_config hauppauge_woodbury_tunerconfig = {
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.gate = TDA18271_GATE_DIGITAL,
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};
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static void au0828_restart_dvb_streaming(struct work_struct *work);
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/*-------------------------------------------------------------------*/
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static void urb_completion(struct urb *purb)
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{
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struct au0828_dev *dev = purb->context;
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int ptype = usb_pipetype(purb->pipe);
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unsigned char *ptr;
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dprintk(2, "%s: %d\n", __func__, purb->actual_length);
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if (!dev) {
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dprintk(2, "%s: no dev!\n", __func__);
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return;
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}
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if (dev->urb_streaming == 0) {
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dprintk(2, "%s: not streaming!\n", __func__);
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return;
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}
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if (ptype != PIPE_BULK) {
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pr_err("%s: Unsupported URB type %d\n",
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__func__, ptype);
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return;
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}
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/* See if the stream is corrupted (to work around a hardware
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bug where the stream gets misaligned */
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ptr = purb->transfer_buffer;
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if (purb->actual_length > 0 && ptr[0] != 0x47) {
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dprintk(1, "Need to restart streaming %02x len=%d!\n",
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ptr[0], purb->actual_length);
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schedule_work(&dev->restart_streaming);
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return;
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}
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/* Feed the transport payload into the kernel demux */
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dvb_dmx_swfilter_packets(&dev->dvb.demux,
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purb->transfer_buffer, purb->actual_length / 188);
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/* Clean the buffer before we requeue */
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memset(purb->transfer_buffer, 0, URB_BUFSIZE);
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/* Requeue URB */
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usb_submit_urb(purb, GFP_ATOMIC);
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}
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static int stop_urb_transfer(struct au0828_dev *dev)
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{
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int i;
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dprintk(2, "%s()\n", __func__);
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dev->urb_streaming = 0;
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for (i = 0; i < URB_COUNT; i++) {
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if (dev->urbs[i]) {
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usb_kill_urb(dev->urbs[i]);
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if (!preallocate_big_buffers)
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kfree(dev->urbs[i]->transfer_buffer);
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usb_free_urb(dev->urbs[i]);
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}
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}
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return 0;
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}
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static int start_urb_transfer(struct au0828_dev *dev)
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{
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struct urb *purb;
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int i, ret = -ENOMEM;
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dprintk(2, "%s()\n", __func__);
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if (dev->urb_streaming) {
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dprintk(2, "%s: bulk xfer already running!\n", __func__);
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return 0;
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}
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for (i = 0; i < URB_COUNT; i++) {
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dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
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if (!dev->urbs[i])
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goto err;
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purb = dev->urbs[i];
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if (preallocate_big_buffers)
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purb->transfer_buffer = dev->dig_transfer_buffer[i];
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else
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purb->transfer_buffer = kzalloc(URB_BUFSIZE,
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GFP_KERNEL);
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if (!purb->transfer_buffer) {
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usb_free_urb(purb);
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dev->urbs[i] = NULL;
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pr_err("%s: failed big buffer allocation, err = %d\n",
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__func__, ret);
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goto err;
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}
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purb->status = -EINPROGRESS;
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usb_fill_bulk_urb(purb,
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dev->usbdev,
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usb_rcvbulkpipe(dev->usbdev,
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_AU0828_BULKPIPE),
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purb->transfer_buffer,
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URB_BUFSIZE,
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urb_completion,
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dev);
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}
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for (i = 0; i < URB_COUNT; i++) {
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ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
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if (ret != 0) {
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stop_urb_transfer(dev);
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pr_err("%s: failed urb submission, err = %d\n",
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__func__, ret);
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return ret;
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}
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}
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dev->urb_streaming = 1;
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ret = 0;
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err:
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return ret;
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}
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static void au0828_start_transport(struct au0828_dev *dev)
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{
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au0828_write(dev, 0x608, 0x90);
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au0828_write(dev, 0x609, 0x72);
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au0828_write(dev, 0x60a, 0x71);
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au0828_write(dev, 0x60b, 0x01);
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}
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static void au0828_stop_transport(struct au0828_dev *dev, int full_stop)
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{
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if (full_stop) {
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au0828_write(dev, 0x608, 0x00);
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au0828_write(dev, 0x609, 0x00);
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au0828_write(dev, 0x60a, 0x00);
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}
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au0828_write(dev, 0x60b, 0x00);
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}
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static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
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{
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struct dvb_demux *demux = feed->demux;
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struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
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struct au0828_dvb *dvb = &dev->dvb;
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int ret = 0;
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dprintk(1, "%s()\n", __func__);
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if (!demux->dmx.frontend)
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return -EINVAL;
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if (dvb) {
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mutex_lock(&dvb->lock);
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dvb->start_count++;
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dprintk(1, "%s(), start_count: %d, stop_count: %d\n", __func__,
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dvb->start_count, dvb->stop_count);
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if (dvb->feeding++ == 0) {
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/* Start transport */
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au0828_start_transport(dev);
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ret = start_urb_transfer(dev);
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if (ret < 0) {
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au0828_stop_transport(dev, 0);
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dvb->feeding--; /* We ran out of memory... */
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}
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}
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mutex_unlock(&dvb->lock);
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}
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return ret;
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}
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static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
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{
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struct dvb_demux *demux = feed->demux;
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struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
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struct au0828_dvb *dvb = &dev->dvb;
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int ret = 0;
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dprintk(1, "%s()\n", __func__);
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if (dvb) {
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cancel_work_sync(&dev->restart_streaming);
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mutex_lock(&dvb->lock);
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dvb->stop_count++;
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dprintk(1, "%s(), start_count: %d, stop_count: %d\n", __func__,
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dvb->start_count, dvb->stop_count);
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if (dvb->feeding > 0) {
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dvb->feeding--;
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if (dvb->feeding == 0) {
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/* Stop transport */
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ret = stop_urb_transfer(dev);
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au0828_stop_transport(dev, 0);
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}
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}
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mutex_unlock(&dvb->lock);
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}
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return ret;
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}
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static void au0828_restart_dvb_streaming(struct work_struct *work)
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{
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struct au0828_dev *dev = container_of(work, struct au0828_dev,
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restart_streaming);
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struct au0828_dvb *dvb = &dev->dvb;
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if (dev->urb_streaming == 0)
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return;
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dprintk(1, "Restarting streaming...!\n");
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mutex_lock(&dvb->lock);
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/* Stop transport */
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stop_urb_transfer(dev);
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au0828_stop_transport(dev, 1);
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/* Start transport */
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au0828_start_transport(dev);
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start_urb_transfer(dev);
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mutex_unlock(&dvb->lock);
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}
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static int au0828_set_frontend(struct dvb_frontend *fe)
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{
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struct au0828_dev *dev = fe->dvb->priv;
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struct au0828_dvb *dvb = &dev->dvb;
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int ret, was_streaming;
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mutex_lock(&dvb->lock);
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was_streaming = dev->urb_streaming;
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if (was_streaming) {
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au0828_stop_transport(dev, 1);
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/*
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* We can't hold a mutex here, as the restart_streaming
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* kthread may also hold it.
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*/
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mutex_unlock(&dvb->lock);
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cancel_work_sync(&dev->restart_streaming);
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mutex_lock(&dvb->lock);
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stop_urb_transfer(dev);
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}
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mutex_unlock(&dvb->lock);
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ret = dvb->set_frontend(fe);
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if (was_streaming) {
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mutex_lock(&dvb->lock);
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au0828_start_transport(dev);
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start_urb_transfer(dev);
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mutex_unlock(&dvb->lock);
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}
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return ret;
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}
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static int dvb_register(struct au0828_dev *dev)
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{
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struct au0828_dvb *dvb = &dev->dvb;
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int result;
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dprintk(1, "%s()\n", __func__);
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if (preallocate_big_buffers) {
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int i;
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for (i = 0; i < URB_COUNT; i++) {
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dev->dig_transfer_buffer[i] = kzalloc(URB_BUFSIZE,
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GFP_KERNEL);
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if (!dev->dig_transfer_buffer[i]) {
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result = -ENOMEM;
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pr_err("failed buffer allocation (errno = %d)\n",
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result);
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goto fail_adapter;
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}
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}
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}
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INIT_WORK(&dev->restart_streaming, au0828_restart_dvb_streaming);
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/* register adapter */
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result = dvb_register_adapter(&dvb->adapter,
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KBUILD_MODNAME, THIS_MODULE,
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&dev->usbdev->dev, adapter_nr);
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if (result < 0) {
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pr_err("dvb_register_adapter failed (errno = %d)\n",
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result);
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goto fail_adapter;
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}
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dvb->adapter.priv = dev;
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/* register frontend */
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result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
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if (result < 0) {
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pr_err("dvb_register_frontend failed (errno = %d)\n",
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result);
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goto fail_frontend;
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}
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/* Hook dvb frontend */
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dvb->set_frontend = dvb->frontend->ops.set_frontend;
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dvb->frontend->ops.set_frontend = au0828_set_frontend;
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/* register demux stuff */
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dvb->demux.dmx.capabilities =
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DMX_TS_FILTERING | DMX_SECTION_FILTERING |
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DMX_MEMORY_BASED_FILTERING;
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dvb->demux.priv = dev;
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dvb->demux.filternum = 256;
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dvb->demux.feednum = 256;
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dvb->demux.start_feed = au0828_dvb_start_feed;
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dvb->demux.stop_feed = au0828_dvb_stop_feed;
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result = dvb_dmx_init(&dvb->demux);
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if (result < 0) {
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pr_err("dvb_dmx_init failed (errno = %d)\n", result);
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goto fail_dmx;
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}
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dvb->dmxdev.filternum = 256;
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dvb->dmxdev.demux = &dvb->demux.dmx;
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dvb->dmxdev.capabilities = 0;
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result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
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if (result < 0) {
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pr_err("dvb_dmxdev_init failed (errno = %d)\n", result);
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goto fail_dmxdev;
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}
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dvb->fe_hw.source = DMX_FRONTEND_0;
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result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
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if (result < 0) {
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pr_err("add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
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result);
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goto fail_fe_hw;
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}
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dvb->fe_mem.source = DMX_MEMORY_FE;
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result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
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if (result < 0) {
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pr_err("add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
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result);
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goto fail_fe_mem;
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}
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result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
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if (result < 0) {
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pr_err("connect_frontend failed (errno = %d)\n", result);
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goto fail_fe_conn;
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}
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/* register network adapter */
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dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
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dvb->start_count = 0;
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dvb->stop_count = 0;
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return 0;
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fail_fe_conn:
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dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
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fail_fe_mem:
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dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
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fail_fe_hw:
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dvb_dmxdev_release(&dvb->dmxdev);
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fail_dmxdev:
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dvb_dmx_release(&dvb->demux);
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fail_dmx:
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dvb_unregister_frontend(dvb->frontend);
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fail_frontend:
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dvb_frontend_detach(dvb->frontend);
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dvb_unregister_adapter(&dvb->adapter);
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fail_adapter:
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if (preallocate_big_buffers) {
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int i;
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for (i = 0; i < URB_COUNT; i++)
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kfree(dev->dig_transfer_buffer[i]);
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|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void au0828_dvb_unregister(struct au0828_dev *dev)
|
|
{
|
|
struct au0828_dvb *dvb = &dev->dvb;
|
|
|
|
dprintk(1, "%s()\n", __func__);
|
|
|
|
if (dvb->frontend == NULL)
|
|
return;
|
|
|
|
cancel_work_sync(&dev->restart_streaming);
|
|
|
|
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);
|
|
|
|
if (preallocate_big_buffers) {
|
|
int i;
|
|
for (i = 0; i < URB_COUNT; i++)
|
|
kfree(dev->dig_transfer_buffer[i]);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
/* All the DVB attach calls go here, this function get's modified
|
|
* for each new card. No other function in this file needs
|
|
* to change.
|
|
*/
|
|
int au0828_dvb_register(struct au0828_dev *dev)
|
|
{
|
|
struct au0828_dvb *dvb = &dev->dvb;
|
|
int ret;
|
|
|
|
dprintk(1, "%s()\n", __func__);
|
|
|
|
/* init frontend */
|
|
switch (dev->boardnr) {
|
|
case AU0828_BOARD_HAUPPAUGE_HVR850:
|
|
case AU0828_BOARD_HAUPPAUGE_HVR950Q:
|
|
dvb->frontend = dvb_attach(au8522_attach,
|
|
&hauppauge_hvr950q_config,
|
|
&dev->i2c_adap);
|
|
if (dvb->frontend != NULL)
|
|
switch (dev->board.tuner_type) {
|
|
default:
|
|
case TUNER_XC5000:
|
|
dvb_attach(xc5000_attach, dvb->frontend,
|
|
&dev->i2c_adap,
|
|
&hauppauge_xc5000a_config);
|
|
break;
|
|
case TUNER_XC5000C:
|
|
dvb_attach(xc5000_attach, dvb->frontend,
|
|
&dev->i2c_adap,
|
|
&hauppauge_xc5000c_config);
|
|
break;
|
|
}
|
|
break;
|
|
case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
|
|
dvb->frontend = dvb_attach(au8522_attach,
|
|
&hauppauge_hvr950q_config,
|
|
&dev->i2c_adap);
|
|
if (dvb->frontend != NULL)
|
|
dvb_attach(mxl5007t_attach, dvb->frontend,
|
|
&dev->i2c_adap, 0x60,
|
|
&mxl5007t_hvr950q_config);
|
|
break;
|
|
case AU0828_BOARD_HAUPPAUGE_WOODBURY:
|
|
dvb->frontend = dvb_attach(au8522_attach,
|
|
&hauppauge_woodbury_config,
|
|
&dev->i2c_adap);
|
|
if (dvb->frontend != NULL)
|
|
dvb_attach(tda18271_attach, dvb->frontend,
|
|
0x60, &dev->i2c_adap,
|
|
&hauppauge_woodbury_tunerconfig);
|
|
break;
|
|
case AU0828_BOARD_DVICO_FUSIONHDTV7:
|
|
dvb->frontend = dvb_attach(au8522_attach,
|
|
&fusionhdtv7usb_config,
|
|
&dev->i2c_adap);
|
|
if (dvb->frontend != NULL) {
|
|
dvb_attach(xc5000_attach, dvb->frontend,
|
|
&dev->i2c_adap,
|
|
&hauppauge_xc5000a_config);
|
|
}
|
|
break;
|
|
default:
|
|
pr_warn("The frontend of your DVB/ATSC card isn't supported yet\n");
|
|
break;
|
|
}
|
|
if (NULL == dvb->frontend) {
|
|
pr_err("%s() Frontend initialization failed\n",
|
|
__func__);
|
|
return -1;
|
|
}
|
|
/* define general-purpose callback pointer */
|
|
dvb->frontend->callback = au0828_tuner_callback;
|
|
|
|
/* register everything */
|
|
ret = dvb_register(dev);
|
|
if (ret < 0) {
|
|
if (dvb->frontend->ops.release)
|
|
dvb->frontend->ops.release(dvb->frontend);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void au0828_dvb_suspend(struct au0828_dev *dev)
|
|
{
|
|
struct au0828_dvb *dvb = &dev->dvb;
|
|
|
|
if (dvb && dev->urb_streaming) {
|
|
cancel_work_sync(&dev->restart_streaming);
|
|
|
|
/* Stop transport */
|
|
mutex_lock(&dvb->lock);
|
|
stop_urb_transfer(dev);
|
|
au0828_stop_transport(dev, 1);
|
|
mutex_unlock(&dvb->lock);
|
|
}
|
|
}
|
|
|
|
void au0828_dvb_resume(struct au0828_dev *dev)
|
|
{
|
|
struct au0828_dvb *dvb = &dev->dvb;
|
|
|
|
if (dvb && dev->urb_streaming) {
|
|
au0828_set_frontend(dvb->frontend);
|
|
|
|
/* Start transport */
|
|
mutex_lock(&dvb->lock);
|
|
au0828_start_transport(dev);
|
|
start_urb_transfer(dev);
|
|
mutex_unlock(&dvb->lock);
|
|
}
|
|
}
|