#include <linux/i2c.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv-legacy.h>
+#include <media/saa7127.h>
static int debug = 0;
static int test_image = 0;
MODULE_PARM_DESC(debug, "debug level (0-2)");
MODULE_PARM_DESC(test_image, "test_image (0-1)");
-#define saa7127_dbg(fmt, arg...) \
- do { \
- if (debug >= 1) \
- printk(KERN_INFO "%s debug %d-%04x: " fmt, \
- client->driver->driver.name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); \
- } while (0)
-
-/* High volume debug. Use with care. */
-#define saa7127_dbg_highvol(fmt, arg...) \
- do { \
- if (debug == 2) \
- printk(KERN_INFO "%s debug %d-%04x: " fmt, \
- client->driver->driver.name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); \
- } while (0)
-
-#define saa7127_err(fmt, arg...) do { \
- printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->driver.name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
-#define saa7127_info(fmt, arg...) do { \
- printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->driver.name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
-
-static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
-
-
-I2C_CLIENT_INSMOD;
/*
* SAA7127 registers
static const struct i2c_reg_value saa7129_init_config_extra[] = {
{ SAA7127_REG_OUTPUT_PORT_CONTROL, 0x38 },
{ SAA7127_REG_VTRIG, 0xfa },
+ { 0, 0 }
};
static const struct i2c_reg_value saa7127_init_config_common[] = {
{ 0, 0 }
};
-/* Enumeration for the Supported input types */
-enum saa7127_input_type {
- SAA7127_INPUT_TYPE_NORMAL,
- SAA7127_INPUT_TYPE_TEST_IMAGE
-};
-
-/* Enumeration for the Supported Output signal types */
-enum saa7127_output_type {
- SAA7127_OUTPUT_TYPE_BOTH,
- SAA7127_OUTPUT_TYPE_COMPOSITE,
- SAA7127_OUTPUT_TYPE_SVIDEO,
- SAA7127_OUTPUT_TYPE_RGB,
- SAA7127_OUTPUT_TYPE_YUV_C,
- SAA7127_OUTPUT_TYPE_YUV_V
-};
-
/*
**********************************************************************
*
struct saa7127_state {
v4l2_std_id std;
- enum v4l2_chip_ident ident;
+ u32 ident;
enum saa7127_input_type input_type;
enum saa7127_output_type output_type;
int video_enable;
"letterbox 16:9 top",
"invalid",
"invalid",
- "16:9 full format anamorphic"
+ "16:9 full format anamorphic",
"4:3 full format",
"invalid",
"invalid",
if (i2c_smbus_write_byte_data(client, reg, val) == 0)
return 0;
}
- saa7127_err("I2C Write Problem\n");
+ v4l_err(client, "I2C Write Problem\n");
return -1;
}
if (enable && (data->field != 0 || data->line != 16))
return -EINVAL;
if (state->vps_enable != enable) {
- saa7127_dbg("Turn VPS Signal %s\n", enable ? "on" : "off");
+ v4l_dbg(1, debug, client, "Turn VPS Signal %s\n", enable ? "on" : "off");
saa7127_write(client, 0x54, enable << 7);
state->vps_enable = enable;
}
if (!enable)
return 0;
- state->vps_data[0] = data->data[4];
- state->vps_data[1] = data->data[10];
- state->vps_data[2] = data->data[11];
- state->vps_data[3] = data->data[12];
- state->vps_data[4] = data->data[13];
- saa7127_dbg("Set VPS data %02x %02x %02x %02x %02x\n",
+ state->vps_data[0] = data->data[2];
+ state->vps_data[1] = data->data[8];
+ state->vps_data[2] = data->data[9];
+ state->vps_data[3] = data->data[10];
+ state->vps_data[4] = data->data[11];
+ v4l_dbg(1, debug, client, "Set VPS data %02x %02x %02x %02x %02x\n",
state->vps_data[0], state->vps_data[1],
state->vps_data[2], state->vps_data[3],
state->vps_data[4]);
if (enable && (data->field != 0 || data->line != 21))
return -EINVAL;
if (state->cc_enable != enable) {
- saa7127_dbg("Turn CC %s\n", enable ? "on" : "off");
+ v4l_dbg(1, debug, client, "Turn CC %s\n", enable ? "on" : "off");
saa7127_write(client, SAA7127_REG_CLOSED_CAPTION,
(state->xds_enable << 7) | (enable << 6) | 0x11);
state->cc_enable = enable;
if (!enable)
return 0;
- saa7127_dbg_highvol("CC data: %04x\n", cc);
+ v4l_dbg(2, debug, client, "CC data: %04x\n", cc);
saa7127_write(client, SAA7127_REG_LINE_21_ODD_0, cc & 0xff);
saa7127_write(client, SAA7127_REG_LINE_21_ODD_1, cc >> 8);
state->cc_data = cc;
if (enable && (data->field != 1 || data->line != 21))
return -EINVAL;
if (state->xds_enable != enable) {
- saa7127_dbg("Turn XDS %s\n", enable ? "on" : "off");
+ v4l_dbg(1, debug, client, "Turn XDS %s\n", enable ? "on" : "off");
saa7127_write(client, SAA7127_REG_CLOSED_CAPTION,
(enable << 7) | (state->cc_enable << 6) | 0x11);
state->xds_enable = enable;
if (!enable)
return 0;
- saa7127_dbg_highvol("XDS data: %04x\n", xds);
+ v4l_dbg(2, debug, client, "XDS data: %04x\n", xds);
saa7127_write(client, SAA7127_REG_LINE_21_EVEN_0, xds & 0xff);
saa7127_write(client, SAA7127_REG_LINE_21_EVEN_1, xds >> 8);
state->xds_data = xds;
if (enable && (data->field != 0 || data->line != 23))
return -EINVAL;
if (state->wss_enable != enable) {
- saa7127_dbg("Turn WSS %s\n", enable ? "on" : "off");
+ v4l_dbg(1, debug, client, "Turn WSS %s\n", enable ? "on" : "off");
saa7127_write(client, 0x27, enable << 7);
state->wss_enable = enable;
}
saa7127_write(client, 0x26, data->data[0]);
saa7127_write(client, 0x27, 0x80 | (data->data[1] & 0x3f));
- saa7127_dbg("WSS mode: %s\n", wss_strs[data->data[0] & 0xf]);
+ v4l_dbg(1, debug, client, "WSS mode: %s\n", wss_strs[data->data[0] & 0xf]);
state->wss_mode = (data->data[1] & 0x3f) << 8 | data->data[0];
return 0;
}
struct saa7127_state *state = i2c_get_clientdata(client);
if (enable) {
- saa7127_dbg("Enable Video Output\n");
+ v4l_dbg(1, debug, client, "Enable Video Output\n");
saa7127_write(client, 0x2d, state->reg_2d);
saa7127_write(client, 0x61, state->reg_61);
} else {
- saa7127_dbg("Disable Video Output\n");
+ v4l_dbg(1, debug, client, "Disable Video Output\n");
saa7127_write(client, 0x2d, (state->reg_2d & 0xf0));
saa7127_write(client, 0x61, (state->reg_61 | 0xc0));
}
const struct i2c_reg_value *inittab;
if (std & V4L2_STD_525_60) {
- saa7127_dbg("Selecting 60 Hz video Standard\n");
+ v4l_dbg(1, debug, client, "Selecting 60 Hz video Standard\n");
inittab = saa7127_init_config_60hz;
state->reg_61 = SAA7127_60HZ_DAC_CONTROL;
} else {
- saa7127_dbg("Selecting 50 Hz video Standard\n");
+ v4l_dbg(1, debug, client, "Selecting 50 Hz video Standard\n");
inittab = saa7127_init_config_50hz;
state->reg_61 = SAA7127_50HZ_DAC_CONTROL;
}
default:
return -EINVAL;
}
- saa7127_dbg("Selecting %s output type\n", output_strs[output]);
+ v4l_dbg(1, debug, client, "Selecting %s output type\n", output_strs[output]);
/* Configure Encoder */
saa7127_write(client, 0x2d, state->reg_2d);
switch (input) {
case SAA7127_INPUT_TYPE_NORMAL: /* avia */
- saa7127_dbg("Selecting Normal Encoder Input\n");
+ v4l_dbg(1, debug, client, "Selecting Normal Encoder Input\n");
state->reg_3a_cb = 0;
break;
case SAA7127_INPUT_TYPE_TEST_IMAGE: /* color bar */
- saa7127_dbg("Selecting Color Bar generator\n");
+ v4l_dbg(1, debug, client, "Selecting Color Bar generator\n");
state->reg_3a_cb = 0x80;
break;
{
struct saa7127_state *state = i2c_get_clientdata(client);
struct v4l2_format *fmt = arg;
- int *iarg = arg;
+ struct v4l2_routing *route = arg;
switch (cmd) {
- case VIDIOC_S_STD:
+ case VIDIOC_INT_S_STD_OUTPUT:
if (state->std == *(v4l2_std_id *)arg)
break;
return saa7127_set_std(client, *(v4l2_std_id *)arg);
- case VIDIOC_G_STD:
+ case VIDIOC_INT_G_STD_OUTPUT:
*(v4l2_std_id *)arg = state->std;
break;
- case VIDIOC_S_INPUT:
- if (state->input_type == *iarg)
- break;
- return saa7127_set_input_type(client, *iarg);
+ case VIDIOC_INT_G_VIDEO_ROUTING:
+ route->input = state->input_type;
+ route->output = state->output_type;
+ break;
- case VIDIOC_S_OUTPUT:
- if (state->output_type == *iarg)
- break;
- return saa7127_set_output_type(client, *iarg);
+ case VIDIOC_INT_S_VIDEO_ROUTING:
+ {
+ int rc = 0;
+
+ if (state->input_type != route->input) {
+ rc = saa7127_set_input_type(client, route->input);
+ }
+ if (rc == 0 && state->output_type != route->output) {
+ rc = saa7127_set_output_type(client, route->output);
+ }
+ return rc;
+ }
case VIDIOC_STREAMON:
case VIDIOC_STREAMOFF:
break;
case VIDIOC_LOG_STATUS:
- saa7127_info("Standard: %s\n", (state->std & V4L2_STD_525_60) ? "60 Hz" : "50 Hz");
- saa7127_info("Input: %s\n", state->input_type ? "color bars" : "normal");
- saa7127_info("Output: %s\n", state->video_enable ?
+ v4l_info(client, "Standard: %s\n", (state->std & V4L2_STD_525_60) ? "60 Hz" : "50 Hz");
+ v4l_info(client, "Input: %s\n", state->input_type ? "color bars" : "normal");
+ v4l_info(client, "Output: %s\n", state->video_enable ?
output_strs[state->output_type] : "disabled");
- saa7127_info("WSS: %s\n", state->wss_enable ?
+ v4l_info(client, "WSS: %s\n", state->wss_enable ?
wss_strs[state->wss_mode] : "disabled");
- saa7127_info("VPS: %s\n", state->vps_enable ? "enabled" : "disabled");
- saa7127_info("CC: %s\n", state->cc_enable ? "enabled" : "disabled");
+ v4l_info(client, "VPS: %s\n", state->vps_enable ? "enabled" : "disabled");
+ v4l_info(client, "CC: %s\n", state->cc_enable ? "enabled" : "disabled");
break;
#ifdef CONFIG_VIDEO_ADV_DEBUG
- case VIDIOC_INT_G_REGISTER:
+ case VIDIOC_DBG_G_REGISTER:
+ case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
- if (reg->i2c_id != I2C_DRIVERID_SAA7127)
- return -EINVAL;
- reg->val = saa7127_read(client, reg->reg & 0xff);
- break;
- }
-
- case VIDIOC_INT_S_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (reg->i2c_id != I2C_DRIVERID_SAA7127)
+ if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- saa7127_write(client, reg->reg & 0xff, reg->val & 0xff);
+ if (cmd == VIDIOC_DBG_G_REGISTER)
+ reg->val = saa7127_read(client, reg->reg & 0xff);
+ else
+ saa7127_write(client, reg->reg & 0xff, reg->val & 0xff);
break;
}
#endif
break;
}
- case VIDIOC_INT_G_CHIP_IDENT:
- *(enum v4l2_chip_ident *)arg = state->ident;
- break;
+ case VIDIOC_G_CHIP_IDENT:
+ return v4l2_chip_ident_i2c_client(client, arg, state->ident, 0);
default:
return -EINVAL;
/* ----------------------------------------------------------------------- */
-static struct i2c_driver i2c_driver_saa7127;
-
-/* ----------------------------------------------------------------------- */
-
-static int saa7127_attach(struct i2c_adapter *adapter, int address, int kind)
+static int saa7127_probe(struct i2c_client *client)
{
- struct i2c_client *client;
struct saa7127_state *state;
struct v4l2_sliced_vbi_data vbi = { 0, 0, 0, 0 }; /* set to disabled */
int read_result = 0;
/* 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 -EIO;
- client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (client == 0)
- return -ENOMEM;
-
- memset(client, 0, sizeof(struct i2c_client));
- client->addr = address;
- client->adapter = adapter;
- client->driver = &i2c_driver_saa7127;
snprintf(client->name, sizeof(client->name) - 1, "saa7127");
- saa7127_dbg("detecting saa7127 client on address 0x%x\n", address << 1);
+ v4l_dbg(1, debug, client, "detecting saa7127 client on address 0x%x\n", client->addr << 1);
/* First test register 0: Bits 5-7 are a version ID (should be 0),
and bit 2 should also be 0.
0x1d after a reset and not expected to ever change. */
if ((saa7127_read(client, 0) & 0xe4) != 0 ||
(saa7127_read(client, 0x29) & 0x3f) != 0x1d) {
- saa7127_dbg("saa7127 not found\n");
- kfree(client);
- return 0;
+ v4l_dbg(1, debug, client, "saa7127 not found\n");
+ return -ENODEV;
}
- state = kmalloc(sizeof(struct saa7127_state), GFP_KERNEL);
+ state = kzalloc(sizeof(struct saa7127_state), GFP_KERNEL);
if (state == NULL) {
- kfree(client);
- return (-ENOMEM);
+ return -ENOMEM;
}
i2c_set_clientdata(client, state);
- memset(state, 0, sizeof(struct saa7127_state));
/* Configure Encoder */
- saa7127_dbg("Configuring encoder\n");
+ v4l_dbg(1, debug, client, "Configuring encoder\n");
saa7127_write_inittab(client, saa7127_init_config_common);
saa7127_set_std(client, V4L2_STD_NTSC);
saa7127_set_output_type(client, SAA7127_OUTPUT_TYPE_BOTH);
read_result = saa7127_read(client, SAA7129_REG_FADE_KEY_COL2);
saa7127_write(client, SAA7129_REG_FADE_KEY_COL2, 0xaa);
if (saa7127_read(client, SAA7129_REG_FADE_KEY_COL2) == 0xaa) {
- saa7127_info("saa7129 found @ 0x%x (%s)\n", address << 1, adapter->name);
+ v4l_info(client, "saa7129 found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name);
saa7127_write(client, SAA7129_REG_FADE_KEY_COL2, read_result);
saa7127_write_inittab(client, saa7129_init_config_extra);
state->ident = V4L2_IDENT_SAA7129;
} else {
- saa7127_info("saa7127 found @ 0x%x (%s)\n", address << 1, adapter->name);
+ v4l_info(client, "saa7127 found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name);
state->ident = V4L2_IDENT_SAA7127;
}
-
- i2c_attach_client(client);
-
return 0;
}
/* ----------------------------------------------------------------------- */
-static int saa7127_probe(struct i2c_adapter *adapter)
+static int saa7127_remove(struct i2c_client *client)
{
- if (adapter->class & I2C_CLASS_TV_ANALOG)
- return i2c_probe(adapter, &addr_data, saa7127_attach);
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static int saa7127_detach(struct i2c_client *client)
-{
- struct saa7127_state *state = i2c_get_clientdata(client);
- int err;
-
/* Turn off TV output */
saa7127_set_video_enable(client, 0);
-
- err = i2c_detach_client(client);
-
- if (err) {
- return err;
- }
-
- kfree(state);
- kfree(client);
+ kfree(i2c_get_clientdata(client));
return 0;
}
/* ----------------------------------------------------------------------- */
-static struct i2c_driver i2c_driver_saa7127 = {
- .driver = {
- .name = "saa7127",
- },
- .id = I2C_DRIVERID_SAA7127,
- .attach_adapter = saa7127_probe,
- .detach_client = saa7127_detach,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "saa7127",
+ .driverid = I2C_DRIVERID_SAA7127,
.command = saa7127_command,
+ .probe = saa7127_probe,
+ .remove = saa7127_remove,
};
-
-/* ----------------------------------------------------------------------- */
-
-static int __init saa7127_init_module(void)
-{
- return i2c_add_driver(&i2c_driver_saa7127);
-}
-
-/* ----------------------------------------------------------------------- */
-
-static void __exit saa7127_cleanup_module(void)
-{
- i2c_del_driver(&i2c_driver_saa7127);
-}
-
-/* ----------------------------------------------------------------------- */
-
-module_init(saa7127_init_module);
-module_exit(saa7127_cleanup_module);
Code Review / linux-2.6.git / blobdiff