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Diffstat (limited to 'drivers/media/video/bt819.c')
-rw-r--r--drivers/media/video/bt819.c504
1 files changed, 0 insertions, 504 deletions
diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c
deleted file mode 100644
index a07b7b88e5b..00000000000
--- a/drivers/media/video/bt819.c
+++ /dev/null
@@ -1,504 +0,0 @@
-/*
- * bt819 - BT819A VideoStream Decoder (Rockwell Part)
- *
- * Copyright (C) 1999 Mike Bernson <mike@mlb.org>
- * Copyright (C) 1998 Dave Perks <dperks@ibm.net>
- *
- * Modifications for LML33/DC10plus unified driver
- * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
- *
- * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
- * - moved over to linux>=2.4.x i2c protocol (9/9/2002)
- *
- * This code was modify/ported from the saa7111 driver written
- * by Dave Perks.
- *
- * 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/delay.h>
-#include <linux/types.h>
-#include <linux/ioctl.h>
-#include <asm/uaccess.h>
-#include <linux/i2c.h>
-#include <linux/i2c-id.h>
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-i2c-drv-legacy.h>
-
-MODULE_DESCRIPTION("Brooktree-819 video decoder driver");
-MODULE_AUTHOR("Mike Bernson & Dave Perks");
-MODULE_LICENSE("GPL");
-
-static int debug;
-module_param(debug, int, 0);
-MODULE_PARM_DESC(debug, "Debug level (0-1)");
-
-/* ----------------------------------------------------------------------- */
-
-struct bt819 {
- unsigned char reg[32];
-
- int initialized;
- int norm;
- int input;
- int enable;
- int bright;
- int contrast;
- int hue;
- int sat;
-};
-
-struct timing {
- int hactive;
- int hdelay;
- int vactive;
- int vdelay;
- int hscale;
- int vscale;
-};
-
-/* for values, see the bt819 datasheet */
-static struct timing timing_data[] = {
- {864 - 24, 20, 625 - 2, 1, 0x0504, 0x0000},
- {858 - 24, 20, 525 - 2, 1, 0x00f8, 0x0000},
-};
-
-/* ----------------------------------------------------------------------- */
-
-static inline int bt819_write(struct i2c_client *client, u8 reg, u8 value)
-{
- struct bt819 *decoder = i2c_get_clientdata(client);
-
- decoder->reg[reg] = value;
- return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-static inline int bt819_setbit(struct i2c_client *client, u8 reg, u8 bit, u8 value)
-{
- struct bt819 *decoder = i2c_get_clientdata(client);
-
- return bt819_write(client, reg,
- (decoder->reg[reg] & ~(1 << bit)) | (value ? (1 << bit) : 0));
-}
-
-static int bt819_write_block(struct i2c_client *client, const u8 *data, unsigned int len)
-{
- int ret = -1;
- u8 reg;
-
- /* the bt819 has an autoincrement function, use it if
- * the adapter understands raw I2C */
- if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
- /* do raw I2C, not smbus compatible */
- struct bt819 *decoder = i2c_get_clientdata(client);
- u8 block_data[32];
- int block_len;
-
- while (len >= 2) {
- block_len = 0;
- block_data[block_len++] = reg = data[0];
- do {
- block_data[block_len++] =
- decoder->reg[reg++] = data[1];
- len -= 2;
- data += 2;
- } while (len >= 2 && data[0] == reg && block_len < 32);
- ret = i2c_master_send(client, block_data, block_len);
- if (ret < 0)
- break;
- }
- } else {
- /* do some slow I2C emulation kind of thing */
- while (len >= 2) {
- reg = *data++;
- if ((ret = bt819_write(client, reg, *data++)) < 0)
- break;
- len -= 2;
- }
- }
-
- return ret;
-}
-
-static inline int bt819_read(struct i2c_client *client, u8 reg)
-{
- return i2c_smbus_read_byte_data(client, reg);
-}
-
-static int bt819_init(struct i2c_client *client)
-{
- struct bt819 *decoder = i2c_get_clientdata(client);
-
- static unsigned char init[] = {
- /*0x1f, 0x00,*/ /* Reset */
- 0x01, 0x59, /* 0x01 input format */
- 0x02, 0x00, /* 0x02 temporal decimation */
- 0x03, 0x12, /* 0x03 Cropping msb */
- 0x04, 0x16, /* 0x04 Vertical Delay, lsb */
- 0x05, 0xe0, /* 0x05 Vertical Active lsb */
- 0x06, 0x80, /* 0x06 Horizontal Delay lsb */
- 0x07, 0xd0, /* 0x07 Horizontal Active lsb */
- 0x08, 0x00, /* 0x08 Horizontal Scaling msb */
- 0x09, 0xf8, /* 0x09 Horizontal Scaling lsb */
- 0x0a, 0x00, /* 0x0a Brightness control */
- 0x0b, 0x30, /* 0x0b Miscellaneous control */
- 0x0c, 0xd8, /* 0x0c Luma Gain lsb */
- 0x0d, 0xfe, /* 0x0d Chroma Gain (U) lsb */
- 0x0e, 0xb4, /* 0x0e Chroma Gain (V) msb */
- 0x0f, 0x00, /* 0x0f Hue control */
- 0x12, 0x04, /* 0x12 Output Format */
- 0x13, 0x20, /* 0x13 Vertial Scaling msb 0x00
- chroma comb OFF, line drop scaling, interlace scaling
- BUG? Why does turning the chroma comb on fuck up color?
- Bug in the bt819 stepping on my board?
- */
- 0x14, 0x00, /* 0x14 Vertial Scaling lsb */
- 0x16, 0x07, /* 0x16 Video Timing Polarity
- ACTIVE=active low
- FIELD: high=odd,
- vreset=active high,
- hreset=active high */
- 0x18, 0x68, /* 0x18 AGC Delay */
- 0x19, 0x5d, /* 0x19 Burst Gate Delay */
- 0x1a, 0x80, /* 0x1a ADC Interface */
- };
-
- struct timing *timing = &timing_data[decoder->norm];
-
- init[0x03 * 2 - 1] =
- (((timing->vdelay >> 8) & 0x03) << 6) |
- (((timing->vactive >> 8) & 0x03) << 4) |
- (((timing->hdelay >> 8) & 0x03) << 2) |
- ((timing->hactive >> 8) & 0x03);
- init[0x04 * 2 - 1] = timing->vdelay & 0xff;
- init[0x05 * 2 - 1] = timing->vactive & 0xff;
- init[0x06 * 2 - 1] = timing->hdelay & 0xff;
- init[0x07 * 2 - 1] = timing->hactive & 0xff;
- init[0x08 * 2 - 1] = timing->hscale >> 8;
- init[0x09 * 2 - 1] = timing->hscale & 0xff;
- /* 0x15 in array is address 0x19 */
- init[0x15 * 2 - 1] = (decoder->norm == 0) ? 115 : 93; /* Chroma burst delay */
- /* reset */
- bt819_write(client, 0x1f, 0x00);
- mdelay(1);
-
- /* init */
- return bt819_write_block(client, init, sizeof(init));
-}
-
-/* ----------------------------------------------------------------------- */
-
-static int bt819_command(struct i2c_client *client, unsigned cmd, void *arg)
-{
- int temp;
-
- struct bt819 *decoder = i2c_get_clientdata(client);
-
- if (!decoder->initialized) { /* First call to bt819_init could be */
- bt819_init(client); /* without #FRST = 0 */
- decoder->initialized = 1;
- }
-
- switch (cmd) {
- case 0:
- /* This is just for testing!!! */
- bt819_init(client);
- break;
-
- case DECODER_GET_CAPABILITIES:
- {
- struct video_decoder_capability *cap = arg;
-
- cap->flags = VIDEO_DECODER_PAL |
- VIDEO_DECODER_NTSC |
- VIDEO_DECODER_AUTO |
- VIDEO_DECODER_CCIR;
- cap->inputs = 8;
- cap->outputs = 1;
- break;
- }
-
- case DECODER_GET_STATUS:
- {
- int *iarg = arg;
- int status;
- int res;
-
- status = bt819_read(client, 0x00);
- res = 0;
- if ((status & 0x80))
- res |= DECODER_STATUS_GOOD;
-
- switch (decoder->norm) {
- case VIDEO_MODE_NTSC:
- res |= DECODER_STATUS_NTSC;
- break;
- case VIDEO_MODE_PAL:
- res |= DECODER_STATUS_PAL;
- break;
- default:
- case VIDEO_MODE_AUTO:
- if ((status & 0x10))
- res |= DECODER_STATUS_PAL;
- else
- res |= DECODER_STATUS_NTSC;
- break;
- }
- res |= DECODER_STATUS_COLOR;
- *iarg = res;
-
- v4l_dbg(1, debug, client, "get status %x\n", *iarg);
- break;
- }
-
- case DECODER_SET_NORM:
- {
- int *iarg = arg;
- struct timing *timing = NULL;
-
- v4l_dbg(1, debug, client, "set norm %x\n", *iarg);
-
- switch (*iarg) {
- case VIDEO_MODE_NTSC:
- bt819_setbit(client, 0x01, 0, 1);
- bt819_setbit(client, 0x01, 1, 0);
- bt819_setbit(client, 0x01, 5, 0);
- bt819_write(client, 0x18, 0x68);
- bt819_write(client, 0x19, 0x5d);
- /* bt819_setbit(client, 0x1a, 5, 1); */
- timing = &timing_data[VIDEO_MODE_NTSC];
- break;
- case VIDEO_MODE_PAL:
- bt819_setbit(client, 0x01, 0, 1);
- bt819_setbit(client, 0x01, 1, 1);
- bt819_setbit(client, 0x01, 5, 1);
- bt819_write(client, 0x18, 0x7f);
- bt819_write(client, 0x19, 0x72);
- /* bt819_setbit(client, 0x1a, 5, 0); */
- timing = &timing_data[VIDEO_MODE_PAL];
- break;
- case VIDEO_MODE_AUTO:
- bt819_setbit(client, 0x01, 0, 0);
- bt819_setbit(client, 0x01, 1, 0);
- break;
- default:
- v4l_dbg(1, debug, client, "unsupported norm %x\n", *iarg);
- return -EINVAL;
- }
-
- if (timing) {
- bt819_write(client, 0x03,
- (((timing->vdelay >> 8) & 0x03) << 6) |
- (((timing->vactive >> 8) & 0x03) << 4) |
- (((timing->hdelay >> 8) & 0x03) << 2) |
- ((timing->hactive >> 8) & 0x03) );
- bt819_write(client, 0x04, timing->vdelay & 0xff);
- bt819_write(client, 0x05, timing->vactive & 0xff);
- bt819_write(client, 0x06, timing->hdelay & 0xff);
- bt819_write(client, 0x07, timing->hactive & 0xff);
- bt819_write(client, 0x08, (timing->hscale >> 8) & 0xff);
- bt819_write(client, 0x09, timing->hscale & 0xff);
- }
-
- decoder->norm = *iarg;
- break;
- }
-
- case DECODER_SET_INPUT:
- {
- int *iarg = arg;
-
- v4l_dbg(1, debug, client, "set input %x\n", *iarg);
-
- if (*iarg < 0 || *iarg > 7)
- return -EINVAL;
-
- if (decoder->input != *iarg) {
- decoder->input = *iarg;
- /* select mode */
- if (decoder->input == 0) {
- bt819_setbit(client, 0x0b, 6, 0);
- bt819_setbit(client, 0x1a, 1, 1);
- } else {
- bt819_setbit(client, 0x0b, 6, 1);
- bt819_setbit(client, 0x1a, 1, 0);
- }
- }
- break;
- }
-
- case DECODER_SET_OUTPUT:
- {
- int *iarg = arg;
-
- v4l_dbg(1, debug, client, "set output %x\n", *iarg);
-
- /* not much choice of outputs */
- if (*iarg != 0)
- return -EINVAL;
- break;
- }
-
- case DECODER_ENABLE_OUTPUT:
- {
- int *iarg = arg;
- int enable = (*iarg != 0);
-
- v4l_dbg(1, debug, client, "enable output %x\n", *iarg);
-
- if (decoder->enable != enable) {
- decoder->enable = enable;
- bt819_setbit(client, 0x16, 7, !enable);
- }
- break;
- }
-
- case DECODER_SET_PICTURE:
- {
- struct video_picture *pic = arg;
-
- v4l_dbg(1, debug, client,
- "set picture brightness %d contrast %d colour %d\n",
- pic->brightness, pic->contrast, pic->colour);
-
-
- if (decoder->bright != pic->brightness) {
- /* We want -128 to 127 we get 0-65535 */
- decoder->bright = pic->brightness;
- bt819_write(client, 0x0a,
- (decoder->bright >> 8) - 128);
- }
-
- if (decoder->contrast != pic->contrast) {
- /* We want 0 to 511 we get 0-65535 */
- decoder->contrast = pic->contrast;
- bt819_write(client, 0x0c,
- (decoder->contrast >> 7) & 0xff);
- bt819_setbit(client, 0x0b, 2,
- ((decoder->contrast >> 15) & 0x01));
- }
-
- if (decoder->sat != pic->colour) {
- /* We want 0 to 511 we get 0-65535 */
- decoder->sat = pic->colour;
- bt819_write(client, 0x0d,
- (decoder->sat >> 7) & 0xff);
- bt819_setbit(client, 0x0b, 1,
- ((decoder->sat >> 15) & 0x01));
-
- temp = (decoder->sat * 201) / 237;
- bt819_write(client, 0x0e, (temp >> 7) & 0xff);
- bt819_setbit(client, 0x0b, 0, (temp >> 15) & 0x01);
- }
-
- if (decoder->hue != pic->hue) {
- /* We want -128 to 127 we get 0-65535 */
- decoder->hue = pic->hue;
- bt819_write(client, 0x0f,
- 128 - (decoder->hue >> 8));
- }
- break;
- }
-
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static unsigned short normal_i2c[] = { 0x8a >> 1, I2C_CLIENT_END };
-
-I2C_CLIENT_INSMOD;
-
-static int bt819_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- int i, ver;
- struct bt819 *decoder;
- const char *name;
-
- /* Check if the adapter supports the needed features */
- if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return -ENODEV;
-
- ver = bt819_read(client, 0x17);
- switch (ver & 0xf0) {
- case 0x70:
- name = "bt819a";
- break;
- case 0x60:
- name = "bt817a";
- break;
- case 0x20:
- name = "bt815a";
- break;
- default:
- v4l_dbg(1, debug, client,
- "unknown chip version 0x%02x\n", ver);
- return -ENODEV;
- }
-
- v4l_info(client, "%s found @ 0x%x (%s)\n", name,
- client->addr << 1, client->adapter->name);
-
- decoder = kzalloc(sizeof(struct bt819), GFP_KERNEL);
- if (decoder == NULL)
- return -ENOMEM;
- decoder->norm = VIDEO_MODE_NTSC;
- decoder->input = 0;
- decoder->enable = 1;
- decoder->bright = 32768;
- decoder->contrast = 32768;
- decoder->hue = 32768;
- decoder->sat = 32768;
- decoder->initialized = 0;
- i2c_set_clientdata(client, decoder);
-
- i = bt819_init(client);
- if (i < 0)
- v4l_dbg(1, debug, client, "init status %d\n", i);
- return 0;
-}
-
-static int bt819_remove(struct i2c_client *client)
-{
- kfree(i2c_get_clientdata(client));
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct i2c_device_id bt819_id[] = {
- { "bt819a", 0 },
- { "bt817a", 0 },
- { "bt815a", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, bt819_id);
-
-static struct v4l2_i2c_driver_data v4l2_i2c_data = {
- .name = "bt819",
- .driverid = I2C_DRIVERID_BT819,
- .command = bt819_command,
- .probe = bt819_probe,
- .remove = bt819_remove,
- .id_table = bt819_id,
-};
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