aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/video/saa7111.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/saa7111.c')
-rw-r--r--drivers/media/video/saa7111.c600
1 files changed, 0 insertions, 600 deletions
diff --git a/drivers/media/video/saa7111.c b/drivers/media/video/saa7111.c
deleted file mode 100644
index 96c3d435772..00000000000
--- a/drivers/media/video/saa7111.c
+++ /dev/null
@@ -1,600 +0,0 @@
-/*
- * saa7111 - Philips SAA7111A video decoder driver version 0.0.3
- *
- * Copyright (C) 1998 Dave Perks <dperks@ibm.net>
- *
- * Slight changes for video timing and attachment output by
- * Wolfgang Scherr <scherr@net4you.net>
- *
- * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
- * - moved over to linux>=2.4.x i2c protocol (1/1/2003)
- *
- * Changes by Michael Hunold <michael@mihu.de>
- * - implemented DECODER_SET_GPIO, DECODER_INIT, DECODER_SET_VBI_BYPASS
- *
- * 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/init.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
-#include <linux/types.h>
-#include <linux/i2c.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/uaccess.h>
-
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
-
-MODULE_DESCRIPTION("Philips SAA7111 video decoder driver");
-MODULE_AUTHOR("Dave Perks");
-MODULE_LICENSE("GPL");
-
-
-#define I2C_NAME(s) (s)->name
-
-
-static int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Debug level (0-1)");
-
-#define dprintk(num, format, args...) \
- do { \
- if (debug >= num) \
- printk(format, ##args); \
- } while (0)
-
-/* ----------------------------------------------------------------------- */
-
-#define SAA7111_NR_REG 0x18
-
-struct saa7111 {
- unsigned char reg[SAA7111_NR_REG];
-
- int norm;
- int input;
- int enable;
-};
-
-#define I2C_SAA7111 0x48
-
-/* ----------------------------------------------------------------------- */
-
-static inline int
-saa7111_write (struct i2c_client *client,
- u8 reg,
- u8 value)
-{
- struct saa7111 *decoder = i2c_get_clientdata(client);
-
- decoder->reg[reg] = value;
- return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-static inline void
-saa7111_write_if_changed(struct i2c_client *client, u8 reg, u8 value)
-{
- struct saa7111 *decoder = i2c_get_clientdata(client);
-
- if (decoder->reg[reg] != value) {
- decoder->reg[reg] = value;
- i2c_smbus_write_byte_data(client, reg, value);
- }
-}
-
-static int
-saa7111_write_block (struct i2c_client *client,
- const u8 *data,
- unsigned int len)
-{
- int ret = -1;
- u8 reg;
-
- /* the saa7111 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 saa7111 *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);
- if ((ret = i2c_master_send(client, block_data,
- block_len)) < 0)
- break;
- }
- } else {
- /* do some slow I2C emulation kind of thing */
- while (len >= 2) {
- reg = *data++;
- if ((ret = saa7111_write(client, reg,
- *data++)) < 0)
- break;
- len -= 2;
- }
- }
-
- return ret;
-}
-
-static int
-saa7111_init_decoder (struct i2c_client *client,
- struct video_decoder_init *init)
-{
- return saa7111_write_block(client, init->data, init->len);
-}
-
-static inline int
-saa7111_read (struct i2c_client *client,
- u8 reg)
-{
- return i2c_smbus_read_byte_data(client, reg);
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const unsigned char saa7111_i2c_init[] = {
- 0x00, 0x00, /* 00 - ID byte */
- 0x01, 0x00, /* 01 - reserved */
-
- /*front end */
- 0x02, 0xd0, /* 02 - FUSE=3, GUDL=2, MODE=0 */
- 0x03, 0x23, /* 03 - HLNRS=0, VBSL=1, WPOFF=0,
- * HOLDG=0, GAFIX=0, GAI1=256, GAI2=256 */
- 0x04, 0x00, /* 04 - GAI1=256 */
- 0x05, 0x00, /* 05 - GAI2=256 */
-
- /* decoder */
- 0x06, 0xf3, /* 06 - HSB at 13(50Hz) / 17(60Hz)
- * pixels after end of last line */
- /*0x07, 0x13, * 07 - HSS at 113(50Hz) / 117(60Hz) pixels
- * after end of last line */
- 0x07, 0xe8, /* 07 - HSS seems to be needed to
- * work with NTSC, too */
- 0x08, 0xc8, /* 08 - AUFD=1, FSEL=1, EXFIL=0,
- * VTRC=1, HPLL=0, VNOI=0 */
- 0x09, 0x01, /* 09 - BYPS=0, PREF=0, BPSS=0,
- * VBLB=0, UPTCV=0, APER=1 */
- 0x0a, 0x80, /* 0a - BRIG=128 */
- 0x0b, 0x47, /* 0b - CONT=1.109 */
- 0x0c, 0x40, /* 0c - SATN=1.0 */
- 0x0d, 0x00, /* 0d - HUE=0 */
- 0x0e, 0x01, /* 0e - CDTO=0, CSTD=0, DCCF=0,
- * FCTC=0, CHBW=1 */
- 0x0f, 0x00, /* 0f - reserved */
- 0x10, 0x48, /* 10 - OFTS=1, HDEL=0, VRLN=1, YDEL=0 */
- 0x11, 0x1c, /* 11 - GPSW=0, CM99=0, FECO=0, COMPO=1,
- * OEYC=1, OEHV=1, VIPB=0, COLO=0 */
- 0x12, 0x00, /* 12 - output control 2 */
- 0x13, 0x00, /* 13 - output control 3 */
- 0x14, 0x00, /* 14 - reserved */
- 0x15, 0x00, /* 15 - VBI */
- 0x16, 0x00, /* 16 - VBI */
- 0x17, 0x00, /* 17 - VBI */
-};
-
-static int
-saa7111_command (struct i2c_client *client,
- unsigned int cmd,
- void *arg)
-{
- struct saa7111 *decoder = i2c_get_clientdata(client);
-
- switch (cmd) {
-
- case 0:
- break;
- case DECODER_INIT:
- {
- struct video_decoder_init *init = arg;
- if (NULL != init)
- return saa7111_init_decoder(client, init);
- else {
- struct video_decoder_init vdi;
- vdi.data = saa7111_i2c_init;
- vdi.len = sizeof(saa7111_i2c_init);
- return saa7111_init_decoder(client, &vdi);
- }
- }
-
- case DECODER_DUMP:
- {
- int i;
-
- for (i = 0; i < SAA7111_NR_REG; i += 16) {
- int j;
-
- printk(KERN_DEBUG "%s: %03x", I2C_NAME(client), i);
- for (j = 0; j < 16 && i + j < SAA7111_NR_REG; ++j) {
- printk(" %02x",
- saa7111_read(client, i + j));
- }
- printk("\n");
- }
- }
- break;
-
- case DECODER_GET_CAPABILITIES:
- {
- struct video_decoder_capability *cap = arg;
-
- cap->flags = VIDEO_DECODER_PAL |
- VIDEO_DECODER_NTSC |
- VIDEO_DECODER_SECAM |
- 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 = saa7111_read(client, 0x1f);
- dprintk(1, KERN_DEBUG "%s status: 0x%02x\n", I2C_NAME(client),
- status);
- res = 0;
- if ((status & (1 << 6)) == 0) {
- 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;
- case VIDEO_MODE_SECAM:
- res |= DECODER_STATUS_SECAM;
- break;
- default:
- case VIDEO_MODE_AUTO:
- if ((status & (1 << 5)) != 0) {
- res |= DECODER_STATUS_NTSC;
- } else {
- res |= DECODER_STATUS_PAL;
- }
- break;
- }
- if ((status & (1 << 0)) != 0) {
- res |= DECODER_STATUS_COLOR;
- }
- *iarg = res;
- }
- break;
-
- case DECODER_SET_GPIO:
- {
- int *iarg = arg;
- if (0 != *iarg) {
- saa7111_write(client, 0x11,
- (decoder->reg[0x11] | 0x80));
- } else {
- saa7111_write(client, 0x11,
- (decoder->reg[0x11] & 0x7f));
- }
- break;
- }
-
- case DECODER_SET_VBI_BYPASS:
- {
- int *iarg = arg;
- if (0 != *iarg) {
- saa7111_write(client, 0x13,
- (decoder->reg[0x13] & 0xf0) | 0x0a);
- } else {
- saa7111_write(client, 0x13,
- (decoder->reg[0x13] & 0xf0));
- }
- break;
- }
-
- case DECODER_SET_NORM:
- {
- int *iarg = arg;
-
- switch (*iarg) {
-
- case VIDEO_MODE_NTSC:
- saa7111_write(client, 0x08,
- (decoder->reg[0x08] & 0x3f) | 0x40);
- saa7111_write(client, 0x0e,
- (decoder->reg[0x0e] & 0x8f));
- break;
-
- case VIDEO_MODE_PAL:
- saa7111_write(client, 0x08,
- (decoder->reg[0x08] & 0x3f) | 0x00);
- saa7111_write(client, 0x0e,
- (decoder->reg[0x0e] & 0x8f));
- break;
-
- case VIDEO_MODE_SECAM:
- saa7111_write(client, 0x08,
- (decoder->reg[0x08] & 0x3f) | 0x00);
- saa7111_write(client, 0x0e,
- (decoder->reg[0x0e] & 0x8f) | 0x50);
- break;
-
- case VIDEO_MODE_AUTO:
- saa7111_write(client, 0x08,
- (decoder->reg[0x08] & 0x3f) | 0x80);
- saa7111_write(client, 0x0e,
- (decoder->reg[0x0e] & 0x8f));
- break;
-
- default:
- return -EINVAL;
-
- }
- decoder->norm = *iarg;
- }
- break;
-
- case DECODER_SET_INPUT:
- {
- int *iarg = arg;
-
- if (*iarg < 0 || *iarg > 7) {
- return -EINVAL;
- }
-
- if (decoder->input != *iarg) {
- decoder->input = *iarg;
- /* select mode */
- saa7111_write(client, 0x02,
- (decoder->
- reg[0x02] & 0xf8) | decoder->input);
- /* bypass chrominance trap for modes 4..7 */
- saa7111_write(client, 0x09,
- (decoder->
- reg[0x09] & 0x7f) | ((decoder->
- input >
- 3) ? 0x80 :
- 0));
- }
- }
- break;
-
- case DECODER_SET_OUTPUT:
- {
- int *iarg = arg;
-
- /* not much choice of outputs */
- if (*iarg != 0) {
- return -EINVAL;
- }
- }
- break;
-
- case DECODER_ENABLE_OUTPUT:
- {
- int *iarg = arg;
- int enable = (*iarg != 0);
-
- if (decoder->enable != enable) {
- decoder->enable = enable;
-
- /* RJ: If output should be disabled (for
- * playing videos), we also need a open PLL.
- * The input is set to 0 (where no input
- * source is connected), although this
- * is not necessary.
- *
- * If output should be enabled, we have to
- * reverse the above.
- */
-
- if (decoder->enable) {
- saa7111_write(client, 0x02,
- (decoder->
- reg[0x02] & 0xf8) |
- decoder->input);
- saa7111_write(client, 0x08,
- (decoder->reg[0x08] & 0xfb));
- saa7111_write(client, 0x11,
- (decoder->
- reg[0x11] & 0xf3) | 0x0c);
- } else {
- saa7111_write(client, 0x02,
- (decoder->reg[0x02] & 0xf8));
- saa7111_write(client, 0x08,
- (decoder->
- reg[0x08] & 0xfb) | 0x04);
- saa7111_write(client, 0x11,
- (decoder->reg[0x11] & 0xf3));
- }
- }
- }
- break;
-
- case DECODER_SET_PICTURE:
- {
- struct video_picture *pic = arg;
-
- /* We want 0 to 255 we get 0-65535 */
- saa7111_write_if_changed(client, 0x0a, pic->brightness >> 8);
- /* We want 0 to 127 we get 0-65535 */
- saa7111_write(client, 0x0b, pic->contrast >> 9);
- /* We want 0 to 127 we get 0-65535 */
- saa7111_write(client, 0x0c, pic->colour >> 9);
- /* We want -128 to 127 we get 0-65535 */
- saa7111_write(client, 0x0d, (pic->hue - 32768) >> 8);
- }
- break;
-
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] = { I2C_SAA7111 >> 1, I2C_CLIENT_END };
-
-static unsigned short ignore = I2C_CLIENT_END;
-
-static struct i2c_client_address_data addr_data = {
- .normal_i2c = normal_i2c,
- .probe = &ignore,
- .ignore = &ignore,
-};
-
-static struct i2c_driver i2c_driver_saa7111;
-
-static int
-saa7111_detect_client (struct i2c_adapter *adapter,
- int address,
- int kind)
-{
- int i;
- struct i2c_client *client;
- struct saa7111 *decoder;
- struct video_decoder_init vdi;
-
- dprintk(1,
- KERN_INFO
- "saa7111.c: detecting saa7111 client on address 0x%x\n",
- address << 1);
-
- /* Check if the adapter supports the needed features */
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return 0;
-
- client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (!client)
- return -ENOMEM;
- client->addr = address;
- client->adapter = adapter;
- client->driver = &i2c_driver_saa7111;
- strlcpy(I2C_NAME(client), "saa7111", sizeof(I2C_NAME(client)));
-
- decoder = kzalloc(sizeof(struct saa7111), GFP_KERNEL);
- if (decoder == NULL) {
- kfree(client);
- return -ENOMEM;
- }
- decoder->norm = VIDEO_MODE_NTSC;
- decoder->input = 0;
- decoder->enable = 1;
- i2c_set_clientdata(client, decoder);
-
- i = i2c_attach_client(client);
- if (i) {
- kfree(client);
- kfree(decoder);
- return i;
- }
-
- vdi.data = saa7111_i2c_init;
- vdi.len = sizeof(saa7111_i2c_init);
- i = saa7111_init_decoder(client, &vdi);
- if (i < 0) {
- dprintk(1, KERN_ERR "%s_attach error: init status %d\n",
- I2C_NAME(client), i);
- } else {
- dprintk(1,
- KERN_INFO
- "%s_attach: chip version %x at address 0x%x\n",
- I2C_NAME(client), saa7111_read(client, 0x00) >> 4,
- client->addr << 1);
- }
-
- return 0;
-}
-
-static int
-saa7111_attach_adapter (struct i2c_adapter *adapter)
-{
- dprintk(1,
- KERN_INFO
- "saa7111.c: starting probe for adapter %s (0x%x)\n",
- I2C_NAME(adapter), adapter->id);
- return i2c_probe(adapter, &addr_data, &saa7111_detect_client);
-}
-
-static int
-saa7111_detach_client (struct i2c_client *client)
-{
- struct saa7111 *decoder = i2c_get_clientdata(client);
- int err;
-
- err = i2c_detach_client(client);
- if (err) {
- return err;
- }
-
- kfree(decoder);
- kfree(client);
-
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static struct i2c_driver i2c_driver_saa7111 = {
- .driver = {
- .name = "saa7111",
- },
-
- .id = I2C_DRIVERID_SAA7111A,
-
- .attach_adapter = saa7111_attach_adapter,
- .detach_client = saa7111_detach_client,
- .command = saa7111_command,
-};
-
-static int __init
-saa7111_init (void)
-{
- return i2c_add_driver(&i2c_driver_saa7111);
-}
-
-static void __exit
-saa7111_exit (void)
-{
- i2c_del_driver(&i2c_driver_saa7111);
-}
-
-module_init(saa7111_init);
-module_exit(saa7111_exit);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 23:48:59 +0000