1 files changed, 0 insertions, 434 deletions
diff --git a/drivers/staging/media/zoran/zr36016.c b/drivers/staging/media/zoran/zr36016.c
deleted file mode 100644
index 9b350a885879..000000000000
--- a/drivers/staging/media/zoran/zr36016.c
+++ /dev/null
@@ -1,434 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Zoran ZR36016 basic configuration functions
- *
- * Copyright (C) 2001 Wolfgang Scherr <scherr@net4you.at>
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-
-/* headerfile of this module */
-#include "zr36016.h"
-
-/* codec io API */
-#include "videocodec.h"
-
-/* it doesn't make sense to have more than 20 or so,
-  just to prevent some unwanted loops */
-#define MAX_CODECS 20
-
-/* amount of chips attached via this driver */
-static int zr36016_codecs;
-
-/* debugging is available via module parameter */
-static int debug;
-module_param(debug, int, 0);
-MODULE_PARM_DESC(debug, "Debug level (0-4)");
-
-#define dprintk(num, format, args...) \
-	do { \
-		if (debug >= num) \
-			printk(format, ##args); \
-	} while (0)
-
-/* =========================================================================
-   Local hardware I/O functions:
-
-   read/write via codec layer (registers are located in the master device)
-   ========================================================================= */
-
-/* read and write functions */
-static u8 zr36016_read(struct zr36016 *ptr, u16 reg)
-{
-	u8 value = 0;
-
-	/* just in case something is wrong... */
-	if (ptr->codec->master_data->readreg)
-		value = (ptr->codec->master_data->readreg(ptr->codec, reg)) & 0xFF;
-	else
-		pr_err("%s: invalid I/O setup, nothing read!\n", ptr->name);
-
-	dprintk(4, "%s: reading from 0x%04x: %02x\n", ptr->name, reg, value);
-
-	return value;
-}
-
-static void zr36016_write(struct zr36016 *ptr, u16 reg, u8 value)
-{
-	dprintk(4, "%s: writing 0x%02x to 0x%04x\n", ptr->name, value, reg);
-
-	// just in case something is wrong...
-	if (ptr->codec->master_data->writereg)
-		ptr->codec->master_data->writereg(ptr->codec, reg, value);
-	else
-		pr_err("%s: invalid I/O setup, nothing written!\n", ptr->name);
-}
-
-/* indirect read and write functions */
-/* the 016 supports auto-addr-increment, but
- * writing it all time cost not much and is safer... */
-static u8 zr36016_readi(struct zr36016 *ptr, u16 reg)
-{
-	u8 value = 0;
-
-	/* just in case something is wrong... */
-	if ((ptr->codec->master_data->writereg) && (ptr->codec->master_data->readreg)) {
-		ptr->codec->master_data->writereg(ptr->codec, ZR016_IADDR, reg & 0x0F);	// ADDR
-		value = (ptr->codec->master_data->readreg(ptr->codec, ZR016_IDATA)) & 0xFF;	// DATA
-	} else {
-		pr_err("%s: invalid I/O setup, nothing read (i)!\n", ptr->name);
-	}
-
-	dprintk(4, "%s: reading indirect from 0x%04x: %02x\n", ptr->name, reg, value);
-	return value;
-}
-
-static void zr36016_writei(struct zr36016 *ptr, u16 reg, u8 value)
-{
-	dprintk(4, "%s: writing indirect 0x%02x to 0x%04x\n", ptr->name,
-		value, reg);
-
-	/* just in case something is wrong... */
-	if (ptr->codec->master_data->writereg) {
-		ptr->codec->master_data->writereg(ptr->codec, ZR016_IADDR, reg & 0x0F);	// ADDR
-		ptr->codec->master_data->writereg(ptr->codec, ZR016_IDATA, value & 0x0FF);	// DATA
-	} else {
-		pr_err("%s: invalid I/O setup, nothing written (i)!\n", ptr->name);
-	}
-}
-
-/* =========================================================================
-   Local helper function:
-
-   version read
-   ========================================================================= */
-
-/* version kept in datastructure */
-static u8 zr36016_read_version(struct zr36016 *ptr)
-{
-	ptr->version = zr36016_read(ptr, 0) >> 4;
-	return ptr->version;
-}
-
-/* =========================================================================
-   Local helper function:
-
-   basic test of "connectivity", writes/reads to/from PAX-Lo register
-   ========================================================================= */
-
-static int zr36016_basic_test(struct zr36016 *ptr)
-{
-	if (debug) {
-		int i;
-
-		zr36016_writei(ptr, ZR016I_PAX_LO, 0x55);
-		dprintk(1, KERN_INFO "%s: registers: ", ptr->name);
-		for (i = 0; i <= 0x0b; i++)
-			dprintk(1, "%02x ", zr36016_readi(ptr, i));
-		dprintk(1, "\n");
-	}
-	// for testing just write 0, then the default value to a register and read
-	// it back in both cases
-	zr36016_writei(ptr, ZR016I_PAX_LO, 0x00);
-	if (zr36016_readi(ptr, ZR016I_PAX_LO) != 0x0) {
-		pr_err("%s: attach failed, can't connect to vfe processor!\n", ptr->name);
-		return -ENXIO;
-	}
-	zr36016_writei(ptr, ZR016I_PAX_LO, 0x0d0);
-	if (zr36016_readi(ptr, ZR016I_PAX_LO) != 0x0d0) {
-		pr_err("%s: attach failed, can't connect to vfe processor!\n", ptr->name);
-		return -ENXIO;
-	}
-	// we allow version numbers from 0-3, should be enough, though
-	zr36016_read_version(ptr);
-	if (ptr->version & 0x0c) {
-		pr_err("%s: attach failed, suspicious version %d found...\n", ptr->name,
-		       ptr->version);
-		return -ENXIO;
-	}
-
-	return 0;		/* looks good! */
-}
-
-/* =========================================================================
-   Local helper function:
-
-   simple loop for pushing the init datasets - NO USE --
-   ========================================================================= */
-
-#if 0
-static int zr36016_pushit(struct zr36016 *ptr,
-			  u16             startreg,
-			   u16             len,
-			   const char     *data)
-{
-	int i = 0;
-
-	dprintk(4, "%s: write data block to 0x%04x (len=%d)\n",
-		ptr->name, startreg, len);
-	while (i < len) {
-		zr36016_writei(ptr, startreg++,  data[i++]);
-	}
-
-	return i;
-}
-#endif
-
-/* =========================================================================
-   Basic datasets & init:
-
-   //TODO//
-   ========================================================================= */
-
-static void zr36016_init(struct zr36016 *ptr)
-{
-	// stop any processing
-	zr36016_write(ptr, ZR016_GOSTOP, 0);
-
-	// mode setup (yuv422 in and out, compression/expansuon due to mode)
-	zr36016_write(ptr, ZR016_MODE,
-		      ZR016_YUV422 | ZR016_YUV422_YUV422 |
-		      (ptr->mode == CODEC_DO_COMPRESSION ?
-		       ZR016_COMPRESSION : ZR016_EXPANSION));
-
-	// misc setup
-	zr36016_writei(ptr, ZR016I_SETUP1,
-		       (ptr->xdec ? (ZR016_HRFL | ZR016_HORZ) : 0) |
-		       (ptr->ydec ? ZR016_VERT : 0) | ZR016_CNTI);
-	zr36016_writei(ptr, ZR016I_SETUP2, ZR016_CCIR);
-
-	// Window setup
-	// (no extra offset for now, norm defines offset, default width height)
-	zr36016_writei(ptr, ZR016I_PAX_HI, ptr->width >> 8);
-	zr36016_writei(ptr, ZR016I_PAX_LO, ptr->width & 0xFF);
-	zr36016_writei(ptr, ZR016I_PAY_HI, ptr->height >> 8);
-	zr36016_writei(ptr, ZR016I_PAY_LO, ptr->height & 0xFF);
-	zr36016_writei(ptr, ZR016I_NAX_HI, ptr->xoff >> 8);
-	zr36016_writei(ptr, ZR016I_NAX_LO, ptr->xoff & 0xFF);
-	zr36016_writei(ptr, ZR016I_NAY_HI, ptr->yoff >> 8);
-	zr36016_writei(ptr, ZR016I_NAY_LO, ptr->yoff & 0xFF);
-
-	/* shall we continue now, please? */
-	zr36016_write(ptr, ZR016_GOSTOP, 1);
-}
-
-/* =========================================================================
-   CODEC API FUNCTIONS
-
-   this functions are accessed by the master via the API structure
-   ========================================================================= */
-
-/* set compression/expansion mode and launches codec -
-   this should be the last call from the master before starting processing */
-static int zr36016_set_mode(struct videocodec *codec, int mode)
-{
-	struct zr36016 *ptr = (struct zr36016 *)codec->data;
-
-	dprintk(2, "%s: set_mode %d call\n", ptr->name, mode);
-
-	if ((mode != CODEC_DO_EXPANSION) && (mode != CODEC_DO_COMPRESSION))
-		return -EINVAL;
-
-	ptr->mode = mode;
-	zr36016_init(ptr);
-
-	return 0;
-}
-
-/* set picture size */
-static int zr36016_set_video(struct videocodec *codec, const struct tvnorm *norm,
-			     struct vfe_settings *cap, struct vfe_polarity *pol)
-{
-	struct zr36016 *ptr = (struct zr36016 *)codec->data;
-
-	dprintk(2, "%s: set_video %d.%d, %d/%d-%dx%d (0x%x) call\n",
-		ptr->name, norm->h_start, norm->v_start,
-		cap->x, cap->y, cap->width, cap->height,
-		cap->decimation);
-
-	/* if () return -EINVAL;
-	 * trust the master driver that it knows what it does - so
-	 * we allow invalid startx/y for now ... */
-	ptr->width = cap->width;
-	ptr->height = cap->height;
-	/* (Ronald) This is ugly. zoran_device.c, line 387
-	 * already mentions what happens if h_start is even
-	 * (blue faces, etc., cr/cb inversed). There's probably
-	 * some good reason why h_start is 0 instead of 1, so I'm
-	 * leaving it to this for now, but really... This can be
-	 * done a lot simpler */
-	ptr->xoff = (norm->h_start ? norm->h_start : 1) + cap->x;
-	/* Something to note here (I don't understand it), setting
-	 * v_start too high will cause the codec to 'not work'. I
-	 * really don't get it. values of 16 (v_start) already break
-	 * it here. Just '0' seems to work. More testing needed! */
-	ptr->yoff = norm->v_start + cap->y;
-	/* (Ronald) dzjeeh, can't this thing do hor_decimation = 4? */
-	ptr->xdec = ((cap->decimation & 0xff) == 1) ? 0 : 1;
-	ptr->ydec = (((cap->decimation >> 8) & 0xff) == 1) ? 0 : 1;
-
-	return 0;
-}
-
-/* additional control functions */
-static int zr36016_control(struct videocodec *codec, int type, int size, void *data)
-{
-	struct zr36016 *ptr = (struct zr36016 *)codec->data;
-	int *ival = (int *)data;
-
-	dprintk(2, "%s: control %d call with %d byte\n", ptr->name, type, size);
-
-	switch (type) {
-	case CODEC_G_STATUS:	/* get last status - we don't know it ... */
-		if (size != sizeof(int))
-			return -EFAULT;
-		*ival = 0;
-		break;
-
-	case CODEC_G_CODEC_MODE:
-		if (size != sizeof(int))
-			return -EFAULT;
-		*ival = 0;
-		break;
-
-	case CODEC_S_CODEC_MODE:
-		if (size != sizeof(int))
-			return -EFAULT;
-		if (*ival != 0)
-			return -EINVAL;
-		/* not needed, do nothing */
-		return 0;
-
-	case CODEC_G_VFE:
-	case CODEC_S_VFE:
-		return 0;
-
-	case CODEC_S_MMAP:
-		/* not available, give an error */
-		return -ENXIO;
-
-	default:
-		return -EINVAL;
-	}
-
-	return size;
-}
-
-/* =========================================================================
-   Exit and unregister function:
-
-   Deinitializes Zoran's JPEG processor
-   ========================================================================= */
-
-static int zr36016_unset(struct videocodec *codec)
-{
-	struct zr36016 *ptr = codec->data;
-
-	if (ptr) {
-		/* do wee need some codec deinit here, too ???? */
-
-		dprintk(1, "%s: finished codec #%d\n", ptr->name, ptr->num);
-		kfree(ptr);
-		codec->data = NULL;
-
-		zr36016_codecs--;
-		return 0;
-	}
-
-	return -EFAULT;
-}
-
-/* =========================================================================
-   Setup and registry function:
-
-   Initializes Zoran's JPEG processor
-
-   Also sets pixel size, average code size, mode (compr./decompr.)
-   (the given size is determined by the processor with the video interface)
-   ========================================================================= */
-
-static int zr36016_setup(struct videocodec *codec)
-{
-	struct zr36016 *ptr;
-	int res;
-
-	dprintk(2, "zr36016: initializing VFE subsystem #%d.\n", zr36016_codecs);
-
-	if (zr36016_codecs == MAX_CODECS) {
-		pr_err("zr36016: Can't attach more codecs!\n");
-		return -ENOSPC;
-	}
-	//mem structure init
-	ptr = kzalloc(sizeof(*ptr), GFP_KERNEL);
-	codec->data = ptr;
-	if (!ptr)
-		return -ENOMEM;
-
-	snprintf(ptr->name, sizeof(ptr->name), "zr36016[%d]", zr36016_codecs);
-	ptr->num = zr36016_codecs++;
-	ptr->codec = codec;
-
-	//testing
-	res = zr36016_basic_test(ptr);
-	if (res < 0) {
-		zr36016_unset(codec);
-		return res;
-	}
-	//final setup
-	ptr->mode = CODEC_DO_COMPRESSION;
-	ptr->width = 768;
-	ptr->height = 288;
-	ptr->xdec = 1;
-	ptr->ydec = 0;
-	zr36016_init(ptr);
-
-	dprintk(1, KERN_INFO "%s: codec v%d attached and running\n", ptr->name, ptr->version);
-
-	return 0;
-}
-
-static const struct videocodec zr36016_codec = {
-	.owner = THIS_MODULE,
-	.name = "zr36016",
-	.magic = 0L,		/* magic not used */
-	.flags =
-	    CODEC_FLAG_HARDWARE | CODEC_FLAG_VFE | CODEC_FLAG_ENCODER |
-	    CODEC_FLAG_DECODER,
-	.type = CODEC_TYPE_ZR36016,
-	.setup = zr36016_setup,	/* functionality */
-	.unset = zr36016_unset,
-	.set_mode = zr36016_set_mode,
-	.set_video = zr36016_set_video,
-	.control = zr36016_control,
-	/* others are not used */
-};
-
-/* =========================================================================
-   HOOK IN DRIVER AS KERNEL MODULE
-   ========================================================================= */
-
-static int __init zr36016_init_module(void)
-{
-	//dprintk(1, "ZR36016 driver %s\n",ZR016_VERSION);
-	zr36016_codecs = 0;
-	return videocodec_register(&zr36016_codec);
-}
-
-static void __exit zr36016_cleanup_module(void)
-{
-	if (zr36016_codecs) {
-		dprintk(1,
-			"zr36016: something's wrong - %d codecs left somehow.\n",
-			zr36016_codecs);
-	}
-	videocodec_unregister(&zr36016_codec);
-}
-
-module_init(zr36016_init_module);
-module_exit(zr36016_cleanup_module);
-
-MODULE_AUTHOR("Wolfgang Scherr <scherr@net4you.at>");
-MODULE_DESCRIPTION("Driver module for ZR36016 video frontends");
-MODULE_LICENSE("GPL");