media: tm6000: remove deprecated driver

The tm6000 driver does not use the vb2 framework for streaming
video, instead it uses the old vb1 framework and nobody stepped in to
convert this driver to vb2.

The hardware is very old, so the decision was made to remove it
altogether since we want to get rid of the old vb1 framework.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

Documentation/admin-guide/media/tm6000-cardlist.rst

-.. SPDX-License-Identifier: GPL-2.0
-
-TM6000 cards list
-=================
-
-.. tabularcolumns:: |p{1.4cm}|p{11.1cm}|p{4.2cm}|
-
-.. flat-table::
-   :header-rows: 1
-   :widths: 2 19 18
-   :stub-columns: 0
-
-   * - Card number
-     - Card name
-     - USB IDs
-
-   * - 0
-     - Unknown tm6000 video grabber
-     -
-
-   * - 1
-     - Generic tm5600 board
-     - 6000:0001
-
-   * - 2
-     - Generic tm6000 board
-     -
-
-   * - 3
-     - Generic tm6010 board
-     - 6000:0002
-
-   * - 4
-     - 10Moons UT 821
-     -
-
-   * - 5
-     - 10Moons UT 330
-     -
-
-   * - 6
-     - ADSTECH Dual TV USB
-     - 06e1:f332
-
-   * - 7
-     - Freecom Hybrid Stick / Moka DVB-T Receiver Dual
-     - 14aa:0620
-
-   * - 8
-     - ADSTECH Mini Dual TV USB
-     - 06e1:b339
-
-   * - 9
-     - Hauppauge WinTV HVR-900H / WinTV USB2-Stick
-     - 2040:6600, 2040:6601, 2040:6610, 2040:6611
-
-   * - 10
-     - Beholder Wander DVB-T/TV/FM USB2.0
-     - 6000:dec0
-
-   * - 11
-     - Beholder Voyager TV/FM USB2.0
-     - 6000:dec1
-
-   * - 12
-     - Terratec Cinergy Hybrid XE / Cinergy Hybrid-Stick
-     - 0ccd:0086, 0ccd:00A5
-
-   * - 13
-     - Twinhan TU501(704D1)
-     - 13d3:3240, 13d3:3241, 13d3:3243, 13d3:3264
-
-   * - 14
-     - Beholder Wander Lite DVB-T/TV/FM USB2.0
-     - 6000:dec2
-
-   * - 15
-     - Beholder Voyager Lite TV/FM USB2.0
-     - 6000:dec3
-
-   * - 16
-     - Terratec Grabster AV 150/250 MX
-     - 0ccd:0079

Documentation/admin-guide/media/usb-cardlist.rst

@@ -92,9 +92,6 @@ pwc                     USB Philips Cameras
 s2250                   Sensoray 2250/2251
 s2255drv                USB Sensoray 2255 video capture device
 smsusb                  Siano SMS1xxx based MDTV receiver
-tm6000-alsa             TV Master TM5600/6000/6010 audio
-tm6000-dvb              DVB Support for tm6000 based TV cards
-tm6000                  TV Master TM5600/6000/6010 driver
 ttusb_dec               Technotrend/Hauppauge USB DEC devices
 usbtv                   USBTV007 video capture
 uvcvideo                USB Video Class (UVC)
@@ -107,7 +104,6 @@ zd1301                  ZyDAS ZD1301
 	au0828-cardlist
 	cx231xx-cardlist
 	em28xx-cardlist
-	tm6000-cardlist
 	siano-cardlist
 
 	gspca-cardlist

MAINTAINERS

@@ -20976,15 +20976,6 @@ W:	http://sourceforge.net/projects/tlan/
 F:	Documentation/networking/device_drivers/ethernet/ti/tlan.rst
 F:	drivers/net/ethernet/ti/tlan.*
 
-TM6000 VIDEO4LINUX DRIVER
-M:	Mauro Carvalho Chehab <mchehab@kernel.org>
-L:	linux-media@vger.kernel.org
-S:	Odd fixes
-W:	https://linuxtv.org
-T:	git git://linuxtv.org/media_tree.git
-F:	Documentation/admin-guide/media/tm6000*
-F:	drivers/staging/media/deprecated/tm6000/
-
 TMIO/SDHI MMC DRIVER
 M:	Wolfram Sang <wsa+renesas@sang-engineering.com>
 L:	linux-mmc@vger.kernel.org

drivers/staging/media/Kconfig

@@ -53,7 +53,6 @@ menuconfig STAGING_MEDIA_DEPRECATED
 if STAGING_MEDIA_DEPRECATED
 source "drivers/staging/media/deprecated/atmel/Kconfig"
 source "drivers/staging/media/deprecated/saa7146/Kconfig"
-source "drivers/staging/media/deprecated/tm6000/Kconfig"
 endif
 
 endif

drivers/staging/media/Makefile

@@ -9,5 +9,4 @@ obj-$(CONFIG_VIDEO_ROCKCHIP_VDEC)	+= rkvdec/
 obj-$(CONFIG_VIDEO_SUNXI)	+= sunxi/
 obj-$(CONFIG_VIDEO_TEGRA)	+= tegra-video/
 obj-$(CONFIG_VIDEO_IPU3_IMGU)	+= ipu3/
-obj-$(CONFIG_VIDEO_TM6000)	+= deprecated/tm6000/
 obj-y += deprecated/saa7146/

drivers/staging/media/deprecated/tm6000/Kconfig

-# SPDX-License-Identifier: GPL-2.0-only
-config VIDEO_TM6000
-	tristate "TV Master TM5600/6000/6010 driver (DEPRECATED)"
-	depends on VIDEO_DEV && I2C && INPUT && RC_CORE && USB
-	select VIDEO_TUNER
-	select MEDIA_TUNER_XC2028
-	select MEDIA_TUNER_XC5000
-	select VIDEOBUF_VMALLOC
-	help
-	  Support for TM5600/TM6000/TM6010 USB Device
-
-	  Since these cards have no MPEG decoder onboard, they transmit
-	  only compressed MPEG data over the usb bus, so you need
-	  an external software decoder to watch TV on your computer.
-
-	  This driver is deprecated and is scheduled for removal by
-	  the beginning of 2023. See the TODO file for more information.
-
-	  Say Y if you own such a device and want to use it.
-
-config VIDEO_TM6000_ALSA
-	tristate "TV Master TM5600/6000/6010 audio support"
-	depends on VIDEO_TM6000 && SND
-	select SND_PCM
-	help
-	  This is a video4linux driver for direct (DMA) audio for
-	  TM5600/TM6000/TM6010 USB Devices.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called tm6000-alsa.
-
-config VIDEO_TM6000_DVB
-	tristate "DVB Support for tm6000 based TV cards"
-	depends on VIDEO_TM6000 && DVB_CORE && USB
-	select DVB_ZL10353
-	help
-	  This adds support for DVB cards based on the tm5600/tm6000 chip.

drivers/staging/media/deprecated/tm6000/Makefile

-# SPDX-License-Identifier: GPL-2.0
-tm6000-y := tm6000-cards.o \
-		   tm6000-core.o  \
-		   tm6000-i2c.o   \
-		   tm6000-video.o \
-		   tm6000-stds.o \
-		   tm6000-input.o
-
-obj-$(CONFIG_VIDEO_TM6000) += tm6000.o
-obj-$(CONFIG_VIDEO_TM6000_ALSA) += tm6000-alsa.o
-obj-$(CONFIG_VIDEO_TM6000_DVB) += tm6000-dvb.o
-
-ccflags-y += -I $(srctree)/drivers/media/tuners
-ccflags-y += -I $(srctree)/drivers/media/dvb-frontends

drivers/staging/media/deprecated/tm6000/TODO

-This is one of the few drivers still not using the vb2
-framework, so this driver is now deprecated with the intent of
-removing it altogether by the beginning of 2023.
-
-In order to keep this driver it has to be converted to vb2.
-If someone is interested in doing this work, then contact the
-linux-media mailinglist (https://linuxtv.org/lists.php).

drivers/staging/media/deprecated/tm6000/tm6000-i2c.c

-// SPDX-License-Identifier: GPL-2.0
-// tm6000-i2c.c - driver for TM5600/TM6000/TM6010 USB video capture devices
-//
-// Copyright (c) 2006-2007 Mauro Carvalho Chehab <mchehab@kernel.org>
-//
-// Copyright (c) 2007 Michel Ludwig <michel.ludwig@gmail.com>
-//	- Fix SMBus Read Byte command
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/usb.h>
-#include <linux/i2c.h>
-
-#include "tm6000.h"
-#include "tm6000-regs.h"
-#include <media/v4l2-common.h>
-#include <media/tuner.h>
-#include "xc2028.h"
-
-
-/* ----------------------------------------------------------- */
-
-static unsigned int i2c_debug;
-module_param(i2c_debug, int, 0644);
-MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
-
-#define i2c_dprintk(lvl, fmt, args...) if (i2c_debug >= lvl) do { \
-			printk(KERN_DEBUG "%s at %s: " fmt, \
-			dev->name, __func__, ##args); } while (0)
-
-static int tm6000_i2c_send_regs(struct tm6000_core *dev, unsigned char addr,
-				__u8 reg, char *buf, int len)
-{
-	int rc;
-	unsigned int i2c_packet_limit = 16;
-
-	if (dev->dev_type == TM6010)
-		i2c_packet_limit = 80;
-
-	if (!buf)
-		return -1;
-
-	if (len < 1 || len > i2c_packet_limit) {
-		printk(KERN_ERR "Incorrect length of i2c packet = %d, limit set to %d\n",
-			len, i2c_packet_limit);
-		return -1;
-	}
-
-	/* capture mutex */
-	rc = tm6000_read_write_usb(dev, USB_DIR_OUT | USB_TYPE_VENDOR |
-		USB_RECIP_DEVICE, REQ_16_SET_GET_I2C_WR1_RDN,
-		addr | reg << 8, 0, buf, len);
-
-	if (rc < 0) {
-		/* release mutex */
-		return rc;
-	}
-
-	/* release mutex */
-	return rc;
-}
-
-/* Generic read - doesn't work fine with 16bit registers */
-static int tm6000_i2c_recv_regs(struct tm6000_core *dev, unsigned char addr,
-				__u8 reg, char *buf, int len)
-{
-	int rc;
-	u8 b[2];
-	unsigned int i2c_packet_limit = 16;
-
-	if (dev->dev_type == TM6010)
-		i2c_packet_limit = 64;
-
-	if (!buf)
-		return -1;
-
-	if (len < 1 || len > i2c_packet_limit) {
-		printk(KERN_ERR "Incorrect length of i2c packet = %d, limit set to %d\n",
-			len, i2c_packet_limit);
-		return -1;
-	}
-
-	/* capture mutex */
-	if ((dev->caps.has_zl10353) && (dev->demod_addr << 1 == addr) && (reg % 2 == 0)) {
-		/*
-		 * Workaround an I2C bug when reading from zl10353
-		 */
-		reg -= 1;
-		len += 1;
-
-		rc = tm6000_read_write_usb(dev, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			REQ_16_SET_GET_I2C_WR1_RDN, addr | reg << 8, 0, b, len);
-
-		*buf = b[1];
-	} else {
-		rc = tm6000_read_write_usb(dev, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			REQ_16_SET_GET_I2C_WR1_RDN, addr | reg << 8, 0, buf, len);
-	}
-
-	/* release mutex */
-	return rc;
-}
-
-/*
- * read from a 16bit register
- * for example xc2028, xc3028 or xc3028L
- */
-static int tm6000_i2c_recv_regs16(struct tm6000_core *dev, unsigned char addr,
-				  __u16 reg, char *buf, int len)
-{
-	int rc;
-	unsigned char ureg;
-
-	if (!buf || len != 2)
-		return -1;
-
-	/* capture mutex */
-	if (dev->dev_type == TM6010) {
-		ureg = reg & 0xFF;
-		rc = tm6000_read_write_usb(dev, USB_DIR_OUT | USB_TYPE_VENDOR |
-			USB_RECIP_DEVICE, REQ_16_SET_GET_I2C_WR1_RDN,
-			addr | (reg & 0xFF00), 0, &ureg, 1);
-
-		if (rc < 0) {
-			/* release mutex */
-			return rc;
-		}
-
-		rc = tm6000_read_write_usb(dev, USB_DIR_IN | USB_TYPE_VENDOR |
-			USB_RECIP_DEVICE, REQ_35_AFTEK_TUNER_READ,
-			reg, 0, buf, len);
-	} else {
-		rc = tm6000_read_write_usb(dev, USB_DIR_IN | USB_TYPE_VENDOR |
-			USB_RECIP_DEVICE, REQ_14_SET_GET_I2C_WR2_RDN,
-			addr, reg, buf, len);
-	}
-
-	/* release mutex */
-	return rc;
-}
-
-static int tm6000_i2c_xfer(struct i2c_adapter *i2c_adap,
-			   struct i2c_msg msgs[], int num)
-{
-	struct tm6000_core *dev = i2c_adap->algo_data;
-	int addr, rc, i, byte;
-
-	for (i = 0; i < num; i++) {
-		addr = (msgs[i].addr << 1) & 0xff;
-		i2c_dprintk(2, "%s %s addr=0x%x len=%d:",
-			 (msgs[i].flags & I2C_M_RD) ? "read" : "write",
-			 i == num - 1 ? "stop" : "nonstop", addr, msgs[i].len);
-		if (msgs[i].flags & I2C_M_RD) {
-			/* read request without preceding register selection */
-			/*
-			 * The TM6000 only supports a read transaction
-			 * immediately after a 1 or 2 byte write to select
-			 * a register.  We cannot fulfill this request.
-			 */
-			i2c_dprintk(2, " read without preceding write not supported");
-			rc = -EOPNOTSUPP;
-			goto err;
-		} else if (i + 1 < num && msgs[i].len <= 2 &&
-			   (msgs[i + 1].flags & I2C_M_RD) &&
-			   msgs[i].addr == msgs[i + 1].addr) {
-			/* 1 or 2 byte write followed by a read */
-			if (i2c_debug >= 2)
-				for (byte = 0; byte < msgs[i].len; byte++)
-					printk(KERN_CONT " %02x", msgs[i].buf[byte]);
-			i2c_dprintk(2, "; joined to read %s len=%d:",
-				    i == num - 2 ? "stop" : "nonstop",
-				    msgs[i + 1].len);
-
-			if (msgs[i].len == 2) {
-				rc = tm6000_i2c_recv_regs16(dev, addr,
-					msgs[i].buf[0] << 8 | msgs[i].buf[1],
-					msgs[i + 1].buf, msgs[i + 1].len);
-			} else {
-				rc = tm6000_i2c_recv_regs(dev, addr, msgs[i].buf[0],
-					msgs[i + 1].buf, msgs[i + 1].len);
-			}
-
-			i++;
-
-			if (addr == dev->tuner_addr << 1) {
-				tm6000_set_reg(dev, REQ_50_SET_START, 0, 0);
-				tm6000_set_reg(dev, REQ_51_SET_STOP, 0, 0);
-			}
-			if (i2c_debug >= 2)
-				for (byte = 0; byte < msgs[i].len; byte++)
-					printk(KERN_CONT " %02x", msgs[i].buf[byte]);
-		} else {
-			/* write bytes */
-			if (i2c_debug >= 2)
-				for (byte = 0; byte < msgs[i].len; byte++)
-					printk(KERN_CONT " %02x", msgs[i].buf[byte]);
-			rc = tm6000_i2c_send_regs(dev, addr, msgs[i].buf[0],
-				msgs[i].buf + 1, msgs[i].len - 1);
-		}
-		if (i2c_debug >= 2)
-			printk(KERN_CONT "\n");
-		if (rc < 0)
-			goto err;
-	}
-
-	return num;
-err:
-	i2c_dprintk(2, " ERROR: %i\n", rc);
-	return rc;
-}
-
-static int tm6000_i2c_eeprom(struct tm6000_core *dev)
-{
-	int i, rc;
-	unsigned char *p = dev->eedata;
-	unsigned char bytes[17];
-
-	dev->i2c_client.addr = 0xa0 >> 1;
-	dev->eedata_size = 0;
-
-	bytes[16] = '\0';
-	for (i = 0; i < sizeof(dev->eedata); ) {
-		*p = i;
-		rc = tm6000_i2c_recv_regs(dev, 0xa0, i, p, 1);
-		if (rc < 1) {
-			if (p == dev->eedata)
-				goto noeeprom;
-			else {
-				printk(KERN_WARNING
-				"%s: i2c eeprom read error (err=%d)\n",
-				dev->name, rc);
-			}
-			return -EINVAL;
-		}
-		dev->eedata_size++;
-		p++;
-		if (0 == (i % 16))
-			printk(KERN_INFO "%s: i2c eeprom %02x:", dev->name, i);
-		printk(KERN_CONT " %02x", dev->eedata[i]);
-		if ((dev->eedata[i] >= ' ') && (dev->eedata[i] <= 'z'))
-			bytes[i%16] = dev->eedata[i];
-		else
-			bytes[i%16] = '.';
-
-		i++;
-
-		if (0 == (i % 16)) {
-			bytes[16] = '\0';
-			printk(KERN_CONT "  %s\n", bytes);
-		}
-	}
-	if (0 != (i%16)) {
-		bytes[i%16] = '\0';
-		for (i %= 16; i < 16; i++)
-			printk(KERN_CONT "   ");
-		printk(KERN_CONT "  %s\n", bytes);
-	}
-
-	return 0;
-
-noeeprom:
-	printk(KERN_INFO "%s: Huh, no eeprom present (err=%d)?\n",
-	       dev->name, rc);
-	return -EINVAL;
-}
-
-/* ----------------------------------------------------------- */
-
-/*
- * functionality()
- */
-static u32 functionality(struct i2c_adapter *adap)
-{
-	return I2C_FUNC_SMBUS_EMUL;
-}
-
-static const struct i2c_algorithm tm6000_algo = {
-	.master_xfer   = tm6000_i2c_xfer,
-	.functionality = functionality,
-};
-
-/* ----------------------------------------------------------- */
-
-/*
- * tm6000_i2c_register()
- * register i2c bus
- */
-int tm6000_i2c_register(struct tm6000_core *dev)
-{
-	int rc;
-
-	dev->i2c_adap.owner = THIS_MODULE;
-	dev->i2c_adap.algo = &tm6000_algo;
-	dev->i2c_adap.dev.parent = &dev->udev->dev;
-	strscpy(dev->i2c_adap.name, dev->name, sizeof(dev->i2c_adap.name));
-	dev->i2c_adap.algo_data = dev;
-	i2c_set_adapdata(&dev->i2c_adap, &dev->v4l2_dev);
-	rc = i2c_add_adapter(&dev->i2c_adap);
-	if (rc)
-		return rc;
-
-	dev->i2c_client.adapter = &dev->i2c_adap;
-	strscpy(dev->i2c_client.name, "tm6000 internal", I2C_NAME_SIZE);
-	tm6000_i2c_eeprom(dev);
-
-	return 0;
-}
-
-/*
- * tm6000_i2c_unregister()
- * unregister i2c_bus
- */
-int tm6000_i2c_unregister(struct tm6000_core *dev)
-{
-	i2c_del_adapter(&dev->i2c_adap);
-	return 0;
-}

drivers/staging/media/deprecated/tm6000/tm6000-usb-isoc.h

-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * tm6000-buf.c - driver for TM5600/TM6000/TM6010 USB video capture devices
- *
- * Copyright (c) 2006-2007 Mauro Carvalho Chehab <mchehab@kernel.org>
- */
-
-#include <linux/videodev2.h>
-
-#define TM6000_URB_MSG_LEN 180
-
-struct usb_isoc_ctl {
-		/* max packet size of isoc transaction */
-	int				max_pkt_size;
-
-		/* number of allocated urbs */
-	int				num_bufs;
-
-		/* urb for isoc transfers */
-	struct urb			**urb;
-
-		/* transfer buffers for isoc transfer */
-	char				**transfer_buffer;
-
-		/* Last buffer command and region */
-	u8				cmd;
-	int				pos, size, pktsize;
-
-		/* Last field: ODD or EVEN? */
-	int				vfield, field;
-
-		/* Stores incomplete commands */
-	u32				tmp_buf;
-	int				tmp_buf_len;
-
-		/* Stores already requested buffers */
-	struct tm6000_buffer		*buf;
-};