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path: root/drivers/media/video/saa7114.c
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Diffstat (limited to 'drivers/media/video/saa7114.c')
-rw-r--r--drivers/media/video/saa7114.c364
1 files changed, 108 insertions, 256 deletions
diff --git a/drivers/media/video/saa7114.c b/drivers/media/video/saa7114.c
index e79075533beb..7ca709fda5f4 100644
--- a/drivers/media/video/saa7114.c
+++ b/drivers/media/video/saa7114.c
@@ -29,43 +29,24 @@
*/
#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 <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("Philips SAA7114H video decoder driver");
MODULE_AUTHOR("Maxim Yevtyushkin");
MODULE_LICENSE("GPL");
-
-#define I2C_NAME(x) (x)->name
-
-
static int debug;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
-#define dprintk(num, format, args...) \
- do { \
- if (debug >= num) \
- printk(format, ##args); \
- } while (0)
-
/* ----------------------------------------------------------------------- */
struct saa7114 {
@@ -81,9 +62,6 @@ struct saa7114 {
int playback;
};
-#define I2C_SAA7114 0x42
-#define I2C_SAA7114A 0x40
-
#define I2C_DELAY 10
@@ -129,18 +107,12 @@ struct saa7114 {
/* ----------------------------------------------------------------------- */
-static inline int
-saa7114_write (struct i2c_client *client,
- u8 reg,
- u8 value)
+static inline int saa7114_write(struct i2c_client *client, u8 reg, u8 value)
{
return i2c_smbus_write_byte_data(client, reg, value);
}
-static int
-saa7114_write_block (struct i2c_client *client,
- const u8 *data,
- unsigned int len)
+static int saa7114_write_block(struct i2c_client *client, const u8 *data, unsigned int len)
{
int ret = -1;
u8 reg;
@@ -160,18 +132,17 @@ saa7114_write_block (struct i2c_client *client,
reg++;
len -= 2;
data += 2;
- } while (len >= 2 && data[0] == reg &&
- block_len < 32);
- if ((ret = i2c_master_send(client, block_data,
- block_len)) < 0)
+ } 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 = saa7114_write(client, reg,
- *data++)) < 0)
+ ret = saa7114_write(client, reg, *data++);
+ if (ret < 0)
break;
len -= 2;
}
@@ -180,9 +151,7 @@ saa7114_write_block (struct i2c_client *client,
return ret;
}
-static inline int
-saa7114_read (struct i2c_client *client,
- u8 reg)
+static inline int saa7114_read(struct i2c_client *client, u8 reg)
{
return i2c_smbus_read_byte_data(client, reg);
}
@@ -452,15 +421,11 @@ static const unsigned char init[] = {
0xef, 0x00
};
-static int
-saa7114_command (struct i2c_client *client,
- unsigned int cmd,
- void *arg)
+static int saa7114_command(struct i2c_client *client, unsigned cmd, void *arg)
{
struct saa7114 *decoder = i2c_get_clientdata(client);
switch (cmd) {
-
case 0:
//dprintk(1, KERN_INFO "%s: writing init\n", I2C_NAME(client));
//saa7114_write_block(client, init, sizeof(init));
@@ -470,27 +435,28 @@ saa7114_command (struct i2c_client *client,
{
int i;
- dprintk(1, KERN_INFO "%s: decoder dump\n", I2C_NAME(client));
+ if (!debug)
+ break;
+ v4l_info(client, "decoder dump\n");
for (i = 0; i < 32; i += 16) {
int j;
- printk(KERN_DEBUG "%s: %03x", I2C_NAME(client), i);
+ v4l_info(client, "%03x", i);
for (j = 0; j < 16; ++j) {
- printk(" %02x",
+ printk(KERN_CONT " %02x",
saa7114_read(client, i + j));
}
- printk("\n");
+ printk(KERN_CONT "\n");
}
- }
break;
+ }
case DECODER_GET_CAPABILITIES:
{
struct video_decoder_capability *cap = arg;
- dprintk(1, KERN_DEBUG "%s: decoder get capabilities\n",
- I2C_NAME(client));
+ v4l_dbg(1, debug, client, "get capabilities\n");
cap->flags = VIDEO_DECODER_PAL |
VIDEO_DECODER_NTSC |
@@ -498,8 +464,8 @@ saa7114_command (struct i2c_client *client,
VIDEO_DECODER_CCIR;
cap->inputs = 8;
cap->outputs = 1;
- }
break;
+ }
case DECODER_GET_STATUS:
{
@@ -509,8 +475,7 @@ saa7114_command (struct i2c_client *client,
status = saa7114_read(client, 0x1f);
- dprintk(1, KERN_DEBUG "%s status: 0x%02x\n", I2C_NAME(client),
- status);
+ v4l_dbg(1, debug, client, "status: 0x%02x\n", status);
res = 0;
if ((status & (1 << 6)) == 0) {
res |= DECODER_STATUS_GOOD;
@@ -538,8 +503,8 @@ saa7114_command (struct i2c_client *client,
res |= DECODER_STATUS_COLOR;
}
*iarg = res;
- }
break;
+ }
case DECODER_SET_NORM:
{
@@ -547,12 +512,11 @@ saa7114_command (struct i2c_client *client,
short int hoff = 0, voff = 0, w = 0, h = 0;
- dprintk(1, KERN_DEBUG "%s: decoder set norm ",
- I2C_NAME(client));
- switch (*iarg) {
+ v4l_dbg(1, debug, client, "set norm\n");
+ switch (*iarg) {
case VIDEO_MODE_NTSC:
- dprintk(1, "NTSC\n");
+ v4l_dbg(1, debug, client, "NTSC\n");
decoder->reg[REG_ADDR(0x06)] =
SAA_7114_NTSC_HSYNC_START;
decoder->reg[REG_ADDR(0x07)] =
@@ -571,7 +535,7 @@ saa7114_command (struct i2c_client *client,
break;
case VIDEO_MODE_PAL:
- dprintk(1, "PAL\n");
+ v4l_dbg(1, debug, client, "PAL\n");
decoder->reg[REG_ADDR(0x06)] =
SAA_7114_PAL_HSYNC_START;
decoder->reg[REG_ADDR(0x07)] =
@@ -590,9 +554,8 @@ saa7114_command (struct i2c_client *client,
break;
default:
- dprintk(1, " Unknown video mode!!!\n");
+ v4l_dbg(1, debug, client, "Unknown video mode\n");
return -EINVAL;
-
}
@@ -644,22 +607,20 @@ saa7114_command (struct i2c_client *client,
saa7114_write(client, 0x80, 0x36); // i-port and scaler back end clock selection
decoder->norm = *iarg;
- }
break;
+ }
case DECODER_SET_INPUT:
{
int *iarg = arg;
- dprintk(1, KERN_DEBUG "%s: decoder set input (%d)\n",
- I2C_NAME(client), *iarg);
+ v4l_dbg(1, debug, client, "set input (%d)\n", *iarg);
if (*iarg < 0 || *iarg > 7) {
return -EINVAL;
}
if (decoder->input != *iarg) {
- dprintk(1, KERN_DEBUG "%s: now setting %s input\n",
- I2C_NAME(client),
+ v4l_dbg(1, debug, client, "now setting %s input\n",
*iarg >= 6 ? "S-Video" : "Composite");
decoder->input = *iarg;
@@ -690,30 +651,29 @@ saa7114_command (struct i2c_client *client,
saa7114_write(client, 0x0e,
decoder->reg[REG_ADDR(0x0e)]);
}
- }
break;
+ }
case DECODER_SET_OUTPUT:
{
int *iarg = arg;
- dprintk(1, KERN_DEBUG "%s: decoder set output\n",
- I2C_NAME(client));
+ v4l_dbg(1, debug, client, "set output\n");
/* not much choice of outputs */
if (*iarg != 0) {
return -EINVAL;
}
- }
break;
+ }
case DECODER_ENABLE_OUTPUT:
{
int *iarg = arg;
int enable = (*iarg != 0);
- dprintk(1, KERN_DEBUG "%s: decoder %s output\n",
- I2C_NAME(client), enable ? "enable" : "disable");
+ v4l_dbg(1, debug, client, "%s output\n",
+ enable ? "enable" : "disable");
decoder->playback = !enable;
@@ -754,18 +714,16 @@ saa7114_command (struct i2c_client *client,
saa7114_write(client, 0x80, 0x36);
}
- }
break;
+ }
case DECODER_SET_PICTURE:
{
struct video_picture *pic = arg;
- dprintk(1,
- KERN_DEBUG
- "%s: decoder set picture bright=%d contrast=%d saturation=%d hue=%d\n",
- I2C_NAME(client), pic->brightness, pic->contrast,
- pic->colour, pic->hue);
+ v4l_dbg(1, debug, client,
+ "decoder set picture bright=%d contrast=%d saturation=%d hue=%d\n",
+ pic->brightness, pic->contrast, pic->colour, pic->hue);
if (decoder->bright != pic->brightness) {
/* We want 0 to 255 we get 0-65535 */
@@ -789,8 +747,8 @@ saa7114_command (struct i2c_client *client,
saa7114_write(client, 0x0d,
(decoder->hue - 32768) >> 8);
}
- }
break;
+ }
default:
return -EINVAL;
@@ -801,58 +759,30 @@ saa7114_command (struct i2c_client *client,
/* ----------------------------------------------------------------------- */
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] =
- { I2C_SAA7114 >> 1, I2C_SAA7114A >> 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 unsigned short normal_i2c[] = { 0x42 >> 1, 0x40 >> 1, I2C_CLIENT_END };
-static struct i2c_driver i2c_driver_saa7114;
+I2C_CLIENT_INSMOD;
-static int
-saa7114_detect_client (struct i2c_adapter *adapter,
- int address,
- int kind)
+static int saa7114_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
int i, err[30];
short int hoff = SAA_7114_NTSC_HOFFSET;
short int voff = SAA_7114_NTSC_VOFFSET;
short int w = SAA_7114_NTSC_WIDTH;
short int h = SAA_7114_NTSC_HEIGHT;
- struct i2c_client *client;
struct saa7114 *decoder;
- dprintk(1,
- KERN_INFO
- "saa7114.c: detecting saa7114 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;
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -ENODEV;
- client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (!client)
- return -ENOMEM;
- client->addr = address;
- client->adapter = adapter;
- client->driver = &i2c_driver_saa7114;
- strlcpy(I2C_NAME(client), "saa7114", sizeof(I2C_NAME(client)));
+ v4l_info(client, "chip found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
decoder = kzalloc(sizeof(struct saa7114), GFP_KERNEL);
- if (decoder == NULL) {
- kfree(client);
+ if (decoder == NULL)
return -ENOMEM;
- }
decoder->norm = VIDEO_MODE_NTSC;
decoder->input = -1;
decoder->enable = 1;
@@ -937,8 +867,7 @@ saa7114_detect_client (struct i2c_adapter *adapter,
decoder->reg[REG_ADDR(0x0e)] |= 1; // combfilter on
- dprintk(1, KERN_DEBUG "%s_attach: starting decoder init\n",
- I2C_NAME(client));
+ v4l_dbg(1, debug, client, "starting init\n");
err[0] =
saa7114_write_block(client, decoder->reg + (0x20 << 1),
@@ -962,28 +891,23 @@ saa7114_detect_client (struct i2c_adapter *adapter,
for (i = 0; i <= 5; i++) {
if (err[i] < 0) {
- dprintk(1,
- KERN_ERR
- "%s_attach: init error %d at stage %d, leaving attach.\n",
- I2C_NAME(client), i, err[i]);
+ v4l_dbg(1, debug, client,
+ "init error %d at stage %d, leaving attach.\n",
+ i, err[i]);
kfree(decoder);
- kfree(client);
- return 0;
+ return -EIO;
}
}
for (i = 6; i < 8; i++) {
- dprintk(1,
- KERN_DEBUG
- "%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n",
- I2C_NAME(client), i, saa7114_read(client, i),
+ v4l_dbg(1, debug, client,
+ "reg[0x%02x] = 0x%02x (0x%02x)\n",
+ i, saa7114_read(client, i),
decoder->reg[REG_ADDR(i)]);
}
- dprintk(1,
- KERN_DEBUG
- "%s_attach: performing decoder reset sequence\n",
- I2C_NAME(client));
+ v4l_dbg(1, debug, client,
+ "performing decoder reset sequence\n");
err[6] = saa7114_write(client, 0x80, 0x06); // i-port and scaler backend clock selection, task A&B off
err[7] = saa7114_write(client, 0x88, 0xd8); // sw reset scaler
@@ -991,19 +915,15 @@ saa7114_detect_client (struct i2c_adapter *adapter,
for (i = 6; i <= 8; i++) {
if (err[i] < 0) {
- dprintk(1,
- KERN_ERR
- "%s_attach: init error %d at stage %d, leaving attach.\n",
- I2C_NAME(client), i, err[i]);
+ v4l_dbg(1, debug, client,
+ "init error %d at stage %d, leaving attach.\n",
+ i, err[i]);
kfree(decoder);
- kfree(client);
- return 0;
+ return -EIO;
}
}
- dprintk(1, KERN_INFO "%s_attach: performing the rest of init\n",
- I2C_NAME(client));
-
+ v4l_dbg(1, debug, client, "performing the rest of init\n");
err[9] = saa7114_write(client, 0x01, decoder->reg[REG_ADDR(0x01)]);
err[10] = saa7114_write_block(client, decoder->reg + (0x03 << 1), (0x1e + 1 - 0x03) << 1); // big seq
@@ -1039,37 +959,32 @@ saa7114_detect_client (struct i2c_adapter *adapter,
for (i = 9; i <= 18; i++) {
if (err[i] < 0) {
- dprintk(1,
- KERN_ERR
- "%s_attach: init error %d at stage %d, leaving attach.\n",
- I2C_NAME(client), i, err[i]);
+ v4l_dbg(1, debug, client,
+ "init error %d at stage %d, leaving attach.\n",
+ i, err[i]);
kfree(decoder);
- kfree(client);
- return 0;
+ return -EIO;
}
}
for (i = 6; i < 8; i++) {
- dprintk(1,
- KERN_DEBUG
- "%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n",
- I2C_NAME(client), i, saa7114_read(client, i),
+ v4l_dbg(1, debug, client,
+ "reg[0x%02x] = 0x%02x (0x%02x)\n",
+ i, saa7114_read(client, i),
decoder->reg[REG_ADDR(i)]);
}
for (i = 0x11; i <= 0x13; i++) {
- dprintk(1,
- KERN_DEBUG
- "%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n",
- I2C_NAME(client), i, saa7114_read(client, i),
+ v4l_dbg(1, debug, client,
+ "reg[0x%02x] = 0x%02x (0x%02x)\n",
+ i, saa7114_read(client, i),
decoder->reg[REG_ADDR(i)]);
}
- dprintk(1, KERN_DEBUG "%s_attach: setting video input\n",
- I2C_NAME(client));
+ v4l_dbg(1, debug, client, "setting video input\n");
err[19] =
saa7114_write(client, 0x02, decoder->reg[REG_ADDR(0x02)]);
@@ -1080,20 +995,15 @@ saa7114_detect_client (struct i2c_adapter *adapter,
for (i = 19; i <= 21; i++) {
if (err[i] < 0) {
- dprintk(1,
- KERN_ERR
- "%s_attach: init error %d at stage %d, leaving attach.\n",
- I2C_NAME(client), i, err[i]);
+ v4l_dbg(1, debug, client,
+ "init error %d at stage %d, leaving attach.\n",
+ i, err[i]);
kfree(decoder);
- kfree(client);
- return 0;
+ return -EIO;
}
}
- dprintk(1,
- KERN_DEBUG
- "%s_attach: performing decoder reset sequence\n",
- I2C_NAME(client));
+ v4l_dbg(1, debug, client, "performing decoder reset sequence\n");
err[22] = saa7114_write(client, 0x88, 0xd8); // sw reset scaler
err[23] = saa7114_write(client, 0x88, 0xf8); // sw reset scaler release
@@ -1102,13 +1012,11 @@ saa7114_detect_client (struct i2c_adapter *adapter,
for (i = 22; i <= 24; i++) {
if (err[i] < 0) {
- dprintk(1,
- KERN_ERR
- "%s_attach: init error %d at stage %d, leaving attach.\n",
- I2C_NAME(client), i, err[i]);
+ v4l_dbg(1, debug, client,
+ "init error %d at stage %d, leaving attach.\n",
+ i, err[i]);
kfree(decoder);
- kfree(client);
- return 0;
+ return -EIO;
}
}
@@ -1116,101 +1024,45 @@ saa7114_detect_client (struct i2c_adapter *adapter,
err[26] = saa7114_write(client, 0x07, init[REG_ADDR(0x07)]);
err[27] = saa7114_write(client, 0x10, init[REG_ADDR(0x10)]);
- dprintk(1,
- KERN_INFO
- "%s_attach: chip version %x, decoder status 0x%02x\n",
- I2C_NAME(client), saa7114_read(client, 0x00) >> 4,
+ v4l_dbg(1, debug, client, "chip version %x, decoder status 0x%02x\n",
+ saa7114_read(client, 0x00) >> 4,
saa7114_read(client, 0x1f));
- dprintk(1,
- KERN_DEBUG
- "%s_attach: power save control: 0x%02x, scaler status: 0x%02x\n",
- I2C_NAME(client), saa7114_read(client, 0x88),
+ v4l_dbg(1, debug, client,
+ "power save control: 0x%02x, scaler status: 0x%02x\n",
+ saa7114_read(client, 0x88),
saa7114_read(client, 0x8f));
for (i = 0x94; i < 0x96; i++) {
- dprintk(1,
- KERN_DEBUG
- "%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n",
- I2C_NAME(client), i, saa7114_read(client, i),
+ v4l_dbg(1, debug, client,
+ "reg[0x%02x] = 0x%02x (0x%02x)\n",
+ i, saa7114_read(client, i),
decoder->reg[REG_ADDR(i)]);
}
- i = i2c_attach_client(client);
- if (i) {
- kfree(client);
- kfree(decoder);
- return i;
- }
-
//i = saa7114_write_block(client, init, sizeof(init));
- i = 0;
- 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), saa7114_read(client, 0x00) >> 4,
- client->addr << 1);
- }
-
return 0;
}
-static int
-saa7114_attach_adapter (struct i2c_adapter *adapter)
-{
- dprintk(1,
- KERN_INFO
- "saa7114.c: starting probe for adapter %s (0x%x)\n",
- I2C_NAME(adapter), adapter->id);
- return i2c_probe(adapter, &addr_data, &saa7114_detect_client);
-}
-
-static int
-saa7114_detach_client (struct i2c_client *client)
+static int saa7114_remove(struct i2c_client *client)
{
- struct saa7114 *decoder = i2c_get_clientdata(client);
- int err;
-
- err = i2c_detach_client(client);
- if (err) {
- return err;
- }
-
- kfree(decoder);
- kfree(client);
-
+ kfree(i2c_get_clientdata(client));
return 0;
}
/* ----------------------------------------------------------------------- */
-static struct i2c_driver i2c_driver_saa7114 = {
- .driver = {
- .name = "saa7114",
- },
-
- .id = I2C_DRIVERID_SAA7114,
+static const struct i2c_device_id saa7114_id[] = {
+ { "saa7114_old", 0 }, /* "saa7114" maps to the saa7115 driver */
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, saa7114_id);
- .attach_adapter = saa7114_attach_adapter,
- .detach_client = saa7114_detach_client,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "saa7114",
+ .driverid = I2C_DRIVERID_SAA7114,
.command = saa7114_command,
+ .probe = saa7114_probe,
+ .remove = saa7114_remove,
+ .id_table = saa7114_id,
};
-
-static int __init
-saa7114_init (void)
-{
- return i2c_add_driver(&i2c_driver_saa7114);
-}
-
-static void __exit
-saa7114_exit (void)
-{
- i2c_del_driver(&i2c_driver_saa7114);
-}
-
-module_init(saa7114_init);
-module_exit(saa7114_exit);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 10:36:28 +0000