From 9999e48639b3cecb08ffb37358bcba3b48161b29 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:17 +0000
Subject: [PATCH] add ax88772_rst
---
kernel/drivers/media/usb/dvb-usb-v2/lmedm04.c | 141 ++++++++++++-----------------------------------
1 files changed, 36 insertions(+), 105 deletions(-)
diff --git a/kernel/drivers/media/usb/dvb-usb-v2/lmedm04.c b/kernel/drivers/media/usb/dvb-usb-v2/lmedm04.c
index 316edb2..9ddda8d 100644
--- a/kernel/drivers/media/usb/dvb-usb-v2/lmedm04.c
+++ b/kernel/drivers/media/usb/dvb-usb-v2/lmedm04.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* DVB USB compliant linux driver for
*
* DM04/QQBOX DVB-S USB BOX LME2510C + SHARP:BS2F7HZ7395
@@ -21,7 +22,7 @@
*
* LME2510C + M88RS2000
*
- * For firmware see Documentation/media/dvb-drivers/lmedm04.rst
+ * For firmware see Documentation/admin-guide/media/lmedm04.rst
*
* I2C addresses:
* 0xd0 - STV0288 - Demodulator
@@ -33,23 +34,12 @@
* 0xd0 - STV0299 - Demodulator
* 0xc0 - IX2410 - Tuner
*
- *
* VID = 3344 PID LME2510=1122 LME2510C=1120
*
* Copyright (C) 2010 Malcolm Priestley (tvboxspy@gmail.com)
* LME2510(C)(C) Leaguerme (Shenzhen) MicroElectronics Co., Ltd.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License Version 2, as
- * published by the Free Software Foundation.
- *
- * 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.
- *
- *
- * see Documentation/media/dvb-drivers/dvb-usb.rst for more information
+ * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
*
* Known Issues :
* LME2510: Non Intel USB chipsets fail to maintain High Speed on
@@ -134,9 +124,9 @@
u8 stream_on;
u8 pid_size;
u8 pid_off;
- void *buffer;
+ u8 int_buffer[128];
struct urb *lme_urb;
- void *usb_buffer;
+ u8 usb_buffer[64];
/* Frontend original calls */
int (*fe_read_status)(struct dvb_frontend *, enum fe_status *);
int (*fe_read_signal_strength)(struct dvb_frontend *, u16 *);
@@ -147,59 +137,30 @@
u8 dvb_usb_lme2510_firmware;
};
-static int lme2510_bulk_write(struct usb_device *dev,
- u8 *snd, int len, u8 pipe)
-{
- int actual_l;
-
- return usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
- snd, len, &actual_l, 100);
-}
-
-static int lme2510_bulk_read(struct usb_device *dev,
- u8 *rev, int len, u8 pipe)
-{
- int actual_l;
-
- return usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
- rev, len, &actual_l, 200);
-}
-
static int lme2510_usb_talk(struct dvb_usb_device *d,
- u8 *wbuf, int wlen, u8 *rbuf, int rlen)
+ u8 *wbuf, int wlen, u8 *rbuf, int rlen)
{
struct lme2510_state *st = d->priv;
- u8 *buff;
int ret = 0;
- if (st->usb_buffer == NULL) {
- st->usb_buffer = kmalloc(64, GFP_KERNEL);
- if (st->usb_buffer == NULL) {
- info("MEM Error no memory");
- return -ENOMEM;
- }
- }
- buff = st->usb_buffer;
+ if (max(wlen, rlen) > sizeof(st->usb_buffer))
+ return -EINVAL;
ret = mutex_lock_interruptible(&d->usb_mutex);
-
if (ret < 0)
return -EAGAIN;
- /* the read/write capped at 64 */
- memcpy(buff, wbuf, (wlen < 64) ? wlen : 64);
+ memcpy(st->usb_buffer, wbuf, wlen);
- ret |= lme2510_bulk_write(d->udev, buff, wlen , 0x01);
+ ret = dvb_usbv2_generic_rw_locked(d, st->usb_buffer, wlen,
+ st->usb_buffer, rlen);
- ret |= lme2510_bulk_read(d->udev, buff, (rlen < 64) ?
- rlen : 64 , 0x01);
-
- if (rlen > 0)
- memcpy(rbuf, buff, rlen);
+ if (rlen)
+ memcpy(rbuf, st->usb_buffer, rlen);
mutex_unlock(&d->usb_mutex);
- return (ret < 0) ? -ENODEV : 0;
+ return ret;
}
static int lme2510_stream_restart(struct dvb_usb_device *d)
@@ -337,7 +298,7 @@
switch (ibuf[0]) {
case 0xaa:
- debug_data_snipet(1, "INT Remote data snipet", ibuf);
+ debug_data_snipet(1, "INT Remote data snippet", ibuf);
if (!adap_to_d(adap)->rc_dev)
break;
@@ -387,13 +348,13 @@
lme2510_update_stats(adap);
- debug_data_snipet(5, "INT Remote data snipet in", ibuf);
+ debug_data_snipet(5, "INT Remote data snippet in", ibuf);
break;
case 0xcc:
- debug_data_snipet(1, "INT Control data snipet", ibuf);
+ debug_data_snipet(1, "INT Control data snippet", ibuf);
break;
default:
- debug_data_snipet(1, "INT Unknown data snipet", ibuf);
+ debug_data_snipet(1, "INT Unknown data snippet", ibuf);
break;
}
}
@@ -417,28 +378,20 @@
if (lme_int->lme_urb == NULL)
return -ENOMEM;
- lme_int->buffer = usb_alloc_coherent(d->udev, 128, GFP_ATOMIC,
- &lme_int->lme_urb->transfer_dma);
-
- if (lme_int->buffer == NULL)
- return -ENOMEM;
-
usb_fill_int_urb(lme_int->lme_urb,
- d->udev,
- usb_rcvintpipe(d->udev, 0xa),
- lme_int->buffer,
- 128,
- lme2510_int_response,
- adap,
- 8);
+ d->udev,
+ usb_rcvintpipe(d->udev, 0xa),
+ lme_int->int_buffer,
+ sizeof(lme_int->int_buffer),
+ lme2510_int_response,
+ adap,
+ 8);
/* Quirk of pipe reporting PIPE_BULK but behaves as interrupt */
ep = usb_pipe_endpoint(d->udev, lme_int->lme_urb->pipe);
if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK)
lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa);
-
- lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC);
info("INT Interrupt Service Started");
@@ -533,12 +486,9 @@
static u8 obuf[64], ibuf[64];
int i, read, read_o;
u16 len;
- u8 gate = st->i2c_gate;
+ u8 gate;
mutex_lock(&d->i2c_mutex);
-
- if (gate == 0)
- gate = 5;
for (i = 0; i < num; i++) {
read_o = msg[i].flags & I2C_M_RD;
@@ -737,7 +687,7 @@
cold = 0;
break;
}
- /* fall through */
+ fallthrough;
case TUNER_LG:
fw_lme = fw_lg;
ret = request_firmware(&fw, fw_lme, &udev->dev);
@@ -760,7 +710,7 @@
cold = 0;
break;
}
- /* fall through */
+ fallthrough;
case TUNER_LG:
fw_lme = fw_c_lg;
ret = request_firmware(&fw, fw_lme, &udev->dev);
@@ -768,7 +718,7 @@
st->dvb_usb_lme2510_firmware = TUNER_LG;
break;
}
- /* fall through */
+ fallthrough;
case TUNER_S0194:
fw_lme = fw_c_s0194;
ret = request_firmware(&fw, fw_lme, &udev->dev);
@@ -1004,7 +954,7 @@
" SHARP:BS2F7HZ0194", " RS2000"};
char *name = adap->fe[0]->ops.info.name;
- strlcpy(name, desc, 128);
+ strscpy(name, desc, 128);
strlcat(name, fe_name[st->tuner_config], 128);
return 0;
@@ -1068,7 +1018,7 @@
}
break;
}
- /* fall through */
+ fallthrough;
case 0x22f0:
st->i2c_gate = 5;
adap->fe[0] = dvb_attach(m88rs2000_attach,
@@ -1245,40 +1195,19 @@
return 0;
}
-static void *lme2510_exit_int(struct dvb_usb_device *d)
+static void lme2510_exit(struct dvb_usb_device *d)
{
struct lme2510_state *st = d->priv;
struct dvb_usb_adapter *adap = &d->adapter[0];
- void *buffer = NULL;
if (adap != NULL) {
lme2510_kill_urb(&adap->stream);
}
- if (st->usb_buffer != NULL) {
- st->i2c_talk_onoff = 1;
- st->signal_level = 0;
- st->signal_sn = 0;
- buffer = st->usb_buffer;
- }
-
- if (st->lme_urb != NULL) {
+ if (st->lme_urb) {
usb_kill_urb(st->lme_urb);
- usb_free_coherent(d->udev, 128, st->buffer,
- st->lme_urb->transfer_dma);
+ usb_free_urb(st->lme_urb);
info("Interrupt Service Stopped");
- }
-
- return buffer;
-}
-
-static void lme2510_exit(struct dvb_usb_device *d)
-{
- void *usb_buffer;
-
- if (d != NULL) {
- usb_buffer = lme2510_exit_int(d);
- kfree(usb_buffer);
}
}
@@ -1288,6 +1217,8 @@
.bInterfaceNumber = 0,
.adapter_nr = adapter_nr,
.size_of_priv = sizeof(struct lme2510_state),
+ .generic_bulk_ctrl_endpoint = 0x01,
+ .generic_bulk_ctrl_endpoint_response = 0x01,
.download_firmware = lme2510_download_firmware,
--
Gitblit v1.6.2