#include <linux/i2c.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
+#include <media/audiochip.h>
+#include <asm/div64.h>
MODULE_DESCRIPTION("Philips SAA7114/SAA7115 video decoder driver");
MODULE_AUTHOR("Maxim Yevtyushkin, Kevin Thayer, Chris Kennedy, Hans Verkuil");
MODULE_LICENSE("GPL");
static int debug = 0;
-module_param(debug, int, 0644);
+module_param(debug, bool, 0644);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
-#define saa7115_dbg(fmt,arg...) \
- do { \
- if (debug) \
- printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); \
- } while (0)
-
-#define saa7115_err(fmt, arg...) do { \
- printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
-#define saa7115_info(fmt, arg...) do { \
- printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
-
static unsigned short normal_i2c[] = { 0x42 >> 1, 0x40 >> 1, I2C_CLIENT_END };
v4l2_std_id std;
int input;
int enable;
+ int radio;
int bright;
int contrast;
int hue;
int sat;
enum v4l2_chip_ident ident;
- enum v4l2_audio_clock_freq audclk_freq;
+ u32 audclk_freq;
};
/* ----------------------------------------------------------------------- */
0x00, 0x00
};
-/* ============== SAA7715 AUDIO settings ============= */
-
-/* 48.0 kHz */
-static const unsigned char saa7115_cfg_48_audio[] = {
- 0x34, 0xce,
- 0x35, 0xfb,
- 0x36, 0x30,
- 0x00, 0x00
-};
-
-/* 44.1 kHz */
-static const unsigned char saa7115_cfg_441_audio[] = {
- 0x34, 0xf2,
- 0x35, 0x00,
- 0x36, 0x2d,
- 0x00, 0x00
-};
-
-/* 32.0 kHz */
-static const unsigned char saa7115_cfg_32_audio[] = {
- 0x34, 0xdf,
- 0x35, 0xa7,
- 0x36, 0x20,
- 0x00, 0x00
-};
-
-/* 48.0 kHz 60hz */
-static const unsigned char saa7115_cfg_60hz_48_audio[] = {
- 0x30, 0xcd,
- 0x31, 0x20,
- 0x32, 0x03,
- 0x00, 0x00
-};
-
-/* 48.0 kHz 50hz */
-static const unsigned char saa7115_cfg_50hz_48_audio[] = {
- 0x30, 0x00,
- 0x31, 0xc0,
- 0x32, 0x03,
- 0x00, 0x00
-};
-
-/* 44.1 kHz 60hz */
-static const unsigned char saa7115_cfg_60hz_441_audio[] = {
- 0x30, 0xbc,
- 0x31, 0xdf,
- 0x32, 0x02,
- 0x00, 0x00
-};
-
-/* 44.1 kHz 50hz */
-static const unsigned char saa7115_cfg_50hz_441_audio[] = {
- 0x30, 0x00,
- 0x31, 0x72,
- 0x32, 0x03,
- 0x00, 0x00
-};
-
-/* 32.0 kHz 60hz */
-static const unsigned char saa7115_cfg_60hz_32_audio[] = {
- 0x30, 0xde,
- 0x31, 0x15,
- 0x32, 0x02,
- 0x00, 0x00
-};
-
-/* 32.0 kHz 50hz */
-static const unsigned char saa7115_cfg_50hz_32_audio[] = {
- 0x30, 0x00,
- 0x31, 0x80,
- 0x32, 0x02,
- 0x00, 0x00
-};
-
static int saa7115_odd_parity(u8 c)
{
c ^= (c >> 4);
}
-static int saa7115_set_audio_clock_freq(struct i2c_client *client, enum v4l2_audio_clock_freq freq)
+static int saa7115_set_audio_clock_freq(struct i2c_client *client, u32 freq)
{
struct saa7115_state *state = i2c_get_clientdata(client);
+ u32 acpf;
+ u32 acni;
+ u32 hz;
+ u64 f;
- saa7115_dbg("set audio clock freq: %d\n", freq);
- switch (freq) {
- case V4L2_AUDCLK_32_KHZ:
- saa7115_writeregs(client, saa7115_cfg_32_audio);
- if (state->std & V4L2_STD_525_60) {
- saa7115_writeregs(client, saa7115_cfg_60hz_32_audio);
- } else {
- saa7115_writeregs(client, saa7115_cfg_50hz_32_audio);
- }
- break;
- case V4L2_AUDCLK_441_KHZ:
- saa7115_writeregs(client, saa7115_cfg_441_audio);
- if (state->std & V4L2_STD_525_60) {
- saa7115_writeregs(client, saa7115_cfg_60hz_441_audio);
- } else {
- saa7115_writeregs(client, saa7115_cfg_50hz_441_audio);
- }
- break;
- case V4L2_AUDCLK_48_KHZ:
- saa7115_writeregs(client, saa7115_cfg_48_audio);
- if (state->std & V4L2_STD_525_60) {
- saa7115_writeregs(client, saa7115_cfg_60hz_48_audio);
- } else {
- saa7115_writeregs(client, saa7115_cfg_50hz_48_audio);
- }
- break;
- default:
- saa7115_dbg("invalid audio setting %d\n", freq);
- return -EINVAL;
- }
+ v4l_dbg(1, debug, client, "set audio clock freq: %d\n", freq);
+
+ /* sanity check */
+ if (freq < 32000 || freq > 48000)
+ return -EINVAL;
+
+ /* hz is the refresh rate times 100 */
+ hz = (state->std & V4L2_STD_525_60) ? 5994 : 5000;
+ /* acpf = (256 * freq) / field_frequency == (256 * 100 * freq) / hz */
+ acpf = (25600 * freq) / hz;
+ /* acni = (256 * freq * 2^23) / crystal_frequency =
+ (freq * 2^(8+23)) / crystal_frequency =
+ (freq << 31) / 32.11 MHz */
+ f = freq;
+ f = f << 31;
+ do_div(f, 32110000);
+ acni = f;
+
+ saa7115_write(client, 0x30, acpf & 0xff);
+ saa7115_write(client, 0x31, (acpf >> 8) & 0xff);
+ saa7115_write(client, 0x32, (acpf >> 16) & 0x03);
+ saa7115_write(client, 0x34, acni & 0xff);
+ saa7115_write(client, 0x35, (acni >> 8) & 0xff);
+ saa7115_write(client, 0x36, (acni >> 16) & 0x3f);
state->audclk_freq = freq;
return 0;
}
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
if (ctrl->value < 0 || ctrl->value > 255) {
- saa7115_err("invalid brightness setting %d\n", ctrl->value);
+ v4l_err(client, "invalid brightness setting %d\n", ctrl->value);
return -ERANGE;
}
case V4L2_CID_CONTRAST:
if (ctrl->value < 0 || ctrl->value > 127) {
- saa7115_err("invalid contrast setting %d\n", ctrl->value);
+ v4l_err(client, "invalid contrast setting %d\n", ctrl->value);
return -ERANGE;
}
case V4L2_CID_SATURATION:
if (ctrl->value < 0 || ctrl->value > 127) {
- saa7115_err("invalid saturation setting %d\n", ctrl->value);
+ v4l_err(client, "invalid saturation setting %d\n", ctrl->value);
return -ERANGE;
}
case V4L2_CID_HUE:
if (ctrl->value < -127 || ctrl->value > 127) {
- saa7115_err("invalid hue setting %d\n", ctrl->value);
+ v4l_err(client, "invalid hue setting %d\n", ctrl->value);
return -ERANGE;
}
state->hue = ctrl->value;
saa7115_write(client, 0x0d, state->hue);
break;
+
+ default:
+ return -EINVAL;
}
return 0;
struct saa7115_state *state = i2c_get_clientdata(client);
int taskb = saa7115_read(client, 0x80) & 0x10;
+ /* Prevent unnecessary standard changes. During a standard
+ change the I-Port is temporarily disabled. Any devices
+ reading from that port can get confused.
+ Note that VIDIOC_S_STD is also used to switch from
+ radio to TV mode, so if a VIDIOC_S_STD is broadcast to
+ all I2C devices then you do not want to have an unwanted
+ side-effect here. */
+ if (std == state->std)
+ return;
+
// This works for NTSC-M, SECAM-L and the 50Hz PAL variants.
if (std & V4L2_STD_525_60) {
- saa7115_dbg("decoder set standard 60 Hz\n");
+ v4l_dbg(1, debug, client, "decoder set standard 60 Hz\n");
saa7115_writeregs(client, saa7115_cfg_60hz_video);
} else {
- saa7115_dbg("decoder set standard 50 Hz\n");
+ v4l_dbg(1, debug, client, "decoder set standard 50 Hz\n");
saa7115_writeregs(client, saa7115_cfg_50hz_video);
}
static void saa7115_log_status(struct i2c_client *client)
{
struct saa7115_state *state = i2c_get_clientdata(client);
- char *audfreq = "undefined";
int reg1e, reg1f;
int signalOk;
int vcr;
- switch (state->audclk_freq) {
- case V4L2_AUDCLK_32_KHZ: audfreq = "32 kHz"; break;
- case V4L2_AUDCLK_441_KHZ: audfreq = "44.1 kHz"; break;
- case V4L2_AUDCLK_48_KHZ: audfreq = "48 kHz"; break;
- }
-
- saa7115_info("Audio frequency: %s\n", audfreq);
+ v4l_info(client, "Audio frequency: %d Hz\n", state->audclk_freq);
if (client->name[6] == '4') {
/* status for the saa7114 */
reg1f = saa7115_read(client, 0x1f);
signalOk = (reg1f & 0xc1) == 0x81;
- saa7115_info("Video signal: %s\n", signalOk ? "ok" : "bad");
- saa7115_info("Frequency: %s\n", (reg1f & 0x20) ? "60Hz" : "50Hz");
+ v4l_info(client, "Video signal: %s\n", signalOk ? "ok" : "bad");
+ v4l_info(client, "Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz");
return;
}
signalOk = (reg1f & 0xc1) == 0x81 && (reg1e & 0xc0) == 0x80;
vcr = !(reg1f & 0x10);
- saa7115_info("Video signal: %s\n", signalOk ? (vcr ? "VCR" : "broadcast/DVD") : "bad");
- saa7115_info("Frequency: %s\n", (reg1f & 0x20) ? "60Hz" : "50Hz");
+ if (state->input >= 6) {
+ v4l_info(client, "Input: S-Video %d\n", state->input - 6);
+ } else {
+ v4l_info(client, "Input: Composite %d\n", state->input);
+ }
+ v4l_info(client, "Video signal: %s\n", signalOk ? (vcr ? "VCR" : "broadcast/DVD") : "bad");
+ v4l_info(client, "Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz");
switch (reg1e & 0x03) {
case 1:
- saa7115_info("Detected format: NTSC\n");
+ v4l_info(client, "Detected format: NTSC\n");
break;
case 2:
- saa7115_info("Detected format: PAL\n");
+ v4l_info(client, "Detected format: PAL\n");
break;
case 3:
- saa7115_info("Detected format: SECAM\n");
+ v4l_info(client, "Detected format: SECAM\n");
break;
default:
- saa7115_info("Detected format: BW/No color\n");
+ v4l_info(client, "Detected format: BW/No color\n");
break;
}
}
pix = &(fmt->fmt.pix);
- saa7115_dbg("decoder set size\n");
+ v4l_dbg(1, debug, client, "decoder set size\n");
/* FIXME need better bounds checking here */
if ((pix->width < 1) || (pix->width > 1440))
HPSC = HPSC ? HPSC : 1;
HFSC = (int)((1024 * 720) / (HPSC * pix->width));
- saa7115_dbg("Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC);
+ v4l_dbg(1, debug, client, "Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC);
/* FIXME hardcodes to "Task B"
* write H prescaler integer */
saa7115_write(client, 0xd0, (u8) (HPSC & 0x3f));
saa7115_write(client, 0xDD, (u8) ((HFSC >> 9) & 0xff));
} else {
if (is_50hz) {
- saa7115_dbg("Setting full 50hz width\n");
+ v4l_dbg(1, debug, client, "Setting full 50hz width\n");
saa7115_writeregs(client, saa7115_cfg_50hz_fullres_x);
} else {
- saa7115_dbg("Setting full 60hz width\n");
+ v4l_dbg(1, debug, client, "Setting full 60hz width\n");
saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x);
}
}
if (pix->height != Vsrc) {
VSCY = (int)((1024 * Vsrc) / pix->height);
- saa7115_dbg("Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY);
+ v4l_dbg(1, debug, client, "Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY);
/* Correct Contrast and Luminance */
saa7115_write(client, 0xd5, (u8) (64 * 1024 / VSCY));
saa7115_write(client, 0xe3, (u8) ((VSCY >> 8) & 0xff));
} else {
if (is_50hz) {
- saa7115_dbg("Setting full 50Hz height\n");
+ v4l_dbg(1, debug, client, "Setting full 50Hz height\n");
saa7115_writeregs(client, saa7115_cfg_50hz_fullres_y);
} else {
- saa7115_dbg("Setting full 60hz height\n");
+ v4l_dbg(1, debug, client, "Setting full 60hz height\n");
saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y);
}
}
/* ============ SAA7115 AUDIO settings (end) ============= */
+static struct v4l2_queryctrl saa7115_qctrl[] = {
+ {
+ .id = V4L2_CID_BRIGHTNESS,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Brightness",
+ .minimum = 0,
+ .maximum = 255,
+ .step = 1,
+ .default_value = 128,
+ .flags = 0,
+ }, {
+ .id = V4L2_CID_CONTRAST,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Contrast",
+ .minimum = 0,
+ .maximum = 127,
+ .step = 1,
+ .default_value = 64,
+ .flags = 0,
+ }, {
+ .id = V4L2_CID_SATURATION,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Saturation",
+ .minimum = 0,
+ .maximum = 127,
+ .step = 1,
+ .default_value = 64,
+ .flags = 0,
+ }, {
+ .id = V4L2_CID_HUE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Hue",
+ .minimum = -128,
+ .maximum = 127,
+ .step = 1,
+ .default_value = 0,
+ .flags = 0,
+ },
+};
+
+/* ----------------------------------------------------------------------- */
+
static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct saa7115_state *state = i2c_get_clientdata(client);
return saa7115_get_v4lfmt(client, (struct v4l2_format *)arg);
case VIDIOC_INT_AUDIO_CLOCK_FREQ:
- return saa7115_set_audio_clock_freq(client, *(enum v4l2_audio_clock_freq *)arg);
+ return saa7115_set_audio_clock_freq(client, *(u32 *)arg);
case VIDIOC_G_TUNER:
{
struct v4l2_tuner *vt = arg;
int status;
+ if (state->radio)
+ break;
status = saa7115_read(client, 0x1f);
- saa7115_dbg("status: 0x%02x\n", status);
+ v4l_dbg(1, debug, client, "status: 0x%02x\n", status);
vt->signal = ((status & (1 << 6)) == 0) ? 0xffff : 0x0;
break;
}
case VIDIOC_S_CTRL:
return saa7115_set_v4lctrl(client, (struct v4l2_control *)arg);
+ case VIDIOC_QUERYCTRL:
+ {
+ struct v4l2_queryctrl *qc = arg;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(saa7115_qctrl); i++)
+ if (qc->id && qc->id == saa7115_qctrl[i].id) {
+ memcpy(qc, &saa7115_qctrl[i], sizeof(*qc));
+ return 0;
+ }
+ return -EINVAL;
+ }
+
case VIDIOC_G_STD:
*(v4l2_std_id *)arg = saa7115_get_v4lstd(client);
break;
case VIDIOC_S_STD:
+ state->radio = 0;
saa7115_set_v4lstd(client, *(v4l2_std_id *)arg);
break;
+ case AUDC_SET_RADIO:
+ state->radio = 1;
+ break;
+
case VIDIOC_G_INPUT:
*(int *)arg = state->input;
break;
case VIDIOC_S_INPUT:
- saa7115_dbg("decoder set input %d\n", *iarg);
+ v4l_dbg(1, debug, client, "decoder set input %d\n", *iarg);
/* inputs from 0-9 are available */
if (*iarg < 0 || *iarg > 9) {
return -EINVAL;
if (state->input == *iarg)
break;
- saa7115_dbg("now setting %s input\n",
+ v4l_dbg(1, debug, client, "now setting %s input\n",
*iarg >= 6 ? "S-Video" : "Composite");
state->input = *iarg;
case VIDIOC_STREAMON:
case VIDIOC_STREAMOFF:
- saa7115_dbg("%s output\n",
+ v4l_dbg(1, debug, client, "%s output\n",
(cmd == VIDIOC_STREAMON) ? "enable" : "disable");
if (state->enable != (cmd == VIDIOC_STREAMON)) {
break;
case VIDIOC_INT_RESET:
- saa7115_dbg("decoder RESET\n");
+ v4l_dbg(1, debug, client, "decoder RESET\n");
saa7115_writeregs(client, saa7115_cfg_reset_scaler);
break;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return 0;
- client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ client = kzalloc(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_saa7115;
- client->flags = I2C_CLIENT_ALLOW_USE;
snprintf(client->name, sizeof(client->name) - 1, "saa7115");
- saa7115_dbg("detecting saa7115 client on address 0x%x\n", address << 1);
+ v4l_dbg(1, debug, client, "detecting saa7115 client on address 0x%x\n", address << 1);
saa7115_write(client, 0, 5);
chip_id = saa7115_read(client, 0) & 0x0f;
if (chip_id != 4 && chip_id != 5) {
- saa7115_dbg("saa7115 not found\n");
+ v4l_dbg(1, debug, client, "saa7115 not found\n");
kfree(client);
return 0;
}
if (chip_id == 4) {
snprintf(client->name, sizeof(client->name) - 1, "saa7114");
}
- saa7115_info("saa711%d found @ 0x%x (%s)\n", chip_id, address << 1, adapter->name);
+ v4l_info(client, "saa711%d found @ 0x%x (%s)\n", chip_id, address << 1, adapter->name);
- state = kmalloc(sizeof(struct saa7115_state), GFP_KERNEL);
+ state = kzalloc(sizeof(struct saa7115_state), GFP_KERNEL);
i2c_set_clientdata(client, state);
if (state == NULL) {
kfree(client);
return -ENOMEM;
}
- memset(state, 0, sizeof(struct saa7115_state));
state->std = V4L2_STD_NTSC;
state->input = -1;
state->enable = 1;
+ state->radio = 0;
state->bright = 128;
state->contrast = 64;
state->hue = 0;
state->sat = 64;
state->ident = (chip_id == 4) ? V4L2_IDENT_SAA7114 : V4L2_IDENT_SAA7115;
- state->audclk_freq = V4L2_AUDCLK_48_KHZ;
+ state->audclk_freq = 48000;
- saa7115_dbg("writing init values\n");
+ v4l_dbg(1, debug, client, "writing init values\n");
/* init to 60hz/48khz */
saa7115_writeregs(client, saa7115_init_auto_input);
saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x);
saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y);
saa7115_writeregs(client, saa7115_cfg_60hz_video);
- saa7115_writeregs(client, saa7115_cfg_48_audio);
- saa7115_writeregs(client, saa7115_cfg_60hz_48_audio);
+ saa7115_set_audio_clock_freq(client, state->audclk_freq);
saa7115_writeregs(client, saa7115_cfg_reset_scaler);
i2c_attach_client(client);
- saa7115_dbg("status: (1E) 0x%02x, (1F) 0x%02x\n",
+ v4l_dbg(1, debug, client, "status: (1E) 0x%02x, (1F) 0x%02x\n",
saa7115_read(client, 0x1e), saa7115_read(client, 0x1f));
return 0;
static int saa7115_probe(struct i2c_adapter *adapter)
{
-#ifdef I2C_CLASS_TV_ANALOG
if (adapter->class & I2C_CLASS_TV_ANALOG)
-#else
- if (adapter->id == I2C_HW_B_BT848)
-#endif
return i2c_probe(adapter, &addr_data, &saa7115_attach);
return 0;
}
/* i2c implementation */
static struct i2c_driver i2c_driver_saa7115 = {
- .name = "saa7115",
+ .driver = {
+ .name = "saa7115",
+ },
.id = I2C_DRIVERID_SAA711X,
- .flags = I2C_DF_NOTIFY,
.attach_adapter = saa7115_probe,
.detach_client = saa7115_detach,
.command = saa7115_command,
- .owner = THIS_MODULE,
};
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