#include <asm/pgtable.h>
#include <media/audiochip.h>
-#include <media/id.h>
#include "msp3400.h"
#define OPMODE_AUTO -1
(2 != i2c_transfer(client->adapter,test,2)) ) {
printk(KERN_ERR "msp3400: chip reset failed\n");
return -1;
- }
+ }
return 0;
}
{
int err,retval;
- unsigned char write[3];
- unsigned char read[2];
- struct i2c_msg msgs[2] = {
- { client->addr, 0, 3, write },
- { client->addr, I2C_M_RD, 2, read }
- };
+ unsigned char write[3];
+ unsigned char read[2];
+ struct i2c_msg msgs[2] = {
+ { client->addr, 0, 3, write },
+ { client->addr, I2C_M_RD, 2, read }
+ };
- write[0] = dev+1;
- write[1] = addr >> 8;
- write[2] = addr & 0xff;
+ write[0] = dev+1;
+ write[1] = addr >> 8;
+ write[2] = addr & 0xff;
for (err = 0; err < 3;) {
if (2 == i2c_transfer(client->adapter,msgs,2))
static int msp3400c_write(struct i2c_client *client, int dev, int addr, int val)
{
int err;
- unsigned char buffer[5];
+ unsigned char buffer[5];
- buffer[0] = dev;
- buffer[1] = addr >> 8;
- buffer[2] = addr & 0xff;
- buffer[3] = val >> 8;
- buffer[4] = val & 0xff;
+ buffer[0] = dev;
+ buffer[1] = addr >> 8;
+ buffer[2] = addr & 0xff;
+ buffer[3] = val >> 8;
+ buffer[4] = val & 0xff;
dprintk_trace("trace: msp3400c_write(0x%x, 0x%x, 0x%x)\n", dev, addr,
val);
}
}
+#define MSP3400_MAX 4
+static struct i2c_client *msps[MSP3400_MAX];
+static void msp3400c_restore_dfp(struct i2c_client *client)
+{
+ struct msp3400c *msp = i2c_get_clientdata(client);
+ int i;
+
+ for (i = 0; i < DFP_COUNT; i++) {
+ if (-1 == msp->dfp_regs[i])
+ continue;
+ msp3400c_write(client, I2C_MSP3400C_DFP, i, msp->dfp_regs[i]);
+ }
+}
+
+/* if the dfp_regs is set, set what's in there. Otherwise, set the default value */
+static int msp3400c_write_dfp_with_default(struct i2c_client *client,
+ int addr, int default_value)
+{
+ struct msp3400c *msp = i2c_get_clientdata(client);
+ int value = default_value;
+ if (addr < DFP_COUNT && -1 != msp->dfp_regs[addr])
+ value = msp->dfp_regs[addr];
+ return msp3400c_write(client, I2C_MSP3400C_DFP, addr, value);
+}
/* ----------------------------------------------------------------------- */
else if (msp->stereo & VIDEO_SOUND_LANG1)
msp3400c_setstereo(client, V4L2_TUNER_MODE_LANG1);
else
- msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
+ msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
}
if (once)
goto restart;
/* carrier detect pass #1 -- main carrier */
- cd = carrier_detect_main; count = CARRIER_COUNT(carrier_detect_main);
+ cd = carrier_detect_main;
+ count = CARRIER_COUNT(carrier_detect_main);
if (amsound && (msp->norm == VIDEO_MODE_SECAM)) {
/* autodetect doesn't work well with AM ... */
case 0: /* 4.5 */
case 2: /* 6.0 */
default:
- cd = NULL; count = 0;
+ cd = NULL;
+ count = 0;
break;
}
if (amsound && (msp->norm == VIDEO_MODE_SECAM)) {
/* autodetect doesn't work well with AM ... */
- cd = NULL; count = 0; max2 = 0;
+ cd = NULL;
+ count = 0;
+ max2 = 0;
}
for (this = 0; this < count; this++) {
msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo);
/* unmute */
msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
+ msp3400c_restore_dfp(client);
+
if (debug)
msp3400c_print_mode(msp);
msp3400c_settreble(client, msp->treble);
msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
msp3400c_write(client, I2C_MSP3400C_DFP, 0x0013, msp->acb);
+ msp3400c_restore_dfp(client);
/* monitor tv audio mode */
while (msp->watch_stereo) {
/* (re-)initialize the msp34xxg, according to the current norm in msp->norm
* return 0 if it worked, -1 if it failed
*/
-static int msp34xxg_init(struct i2c_client *client)
+static int msp34xxg_reset(struct i2c_client *client)
{
struct msp3400c *msp = i2c_get_clientdata(client);
int modus,std;
return -1;
if (msp3400c_write(client,
I2C_MSP3400C_DEM,
- 0x20/*stanard*/,
+ 0x20/*standard*/,
std))
return -1;
standard/audio autodetection right now */
msp34xxg_set_source(client, msp->source);
- if (msp3400c_write(client, I2C_MSP3400C_DFP,
- 0x0e, /* AM/FM Prescale */
- 0x3000 /* default: [15:8] 75khz deviation */))
+ if (msp3400c_write_dfp_with_default(client, 0x0e, /* AM/FM Prescale */
+ 0x3000
+ /* default: [15:8] 75khz deviation */
+ ))
return -1;
- if (msp3400c_write(client, I2C_MSP3400C_DFP,
- 0x10, /* NICAM Prescale */
- 0x5a00 /* default: 9db gain (as recommended) */))
+ if (msp3400c_write_dfp_with_default(client, 0x10, /* NICAM Prescale */
+ 0x5a00
+ /* default: 9db gain (as recommended) */
+ ))
return -1;
- if (msp3400c_write(client,
- I2C_MSP3400C_DEM,
- 0x20, /* STANDARD SELECT */
- standard /* default: 0x01 for automatic standard select*/))
- return -1;
return 0;
}
break;
/* setup the chip*/
- msp34xxg_init(client);
+ msp34xxg_reset(client);
std = standard;
if (std != 0x01)
goto unmute;
static int msp_attach(struct i2c_adapter *adap, int addr, int kind)
{
struct msp3400c *msp;
- struct i2c_client *c;
+ struct i2c_client *c;
int (*thread_func)(void *data) = NULL;
+ int i;
- client_template.adapter = adap;
- client_template.addr = addr;
+ client_template.adapter = adap;
+ client_template.addr = addr;
- if (-1 == msp3400c_reset(&client_template)) {
- dprintk("msp34xx: no chip found\n");
- return -1;
- }
+ if (-1 == msp3400c_reset(&client_template)) {
+ dprintk("msp34xx: no chip found\n");
+ return -1;
+ }
- if (NULL == (c = kmalloc(sizeof(struct i2c_client),GFP_KERNEL)))
- return -ENOMEM;
- memcpy(c,&client_template,sizeof(struct i2c_client));
+ if (NULL == (c = kmalloc(sizeof(struct i2c_client),GFP_KERNEL)))
+ return -ENOMEM;
+ memcpy(c,&client_template,sizeof(struct i2c_client));
if (NULL == (msp = kmalloc(sizeof(struct msp3400c),GFP_KERNEL))) {
kfree(c);
return -ENOMEM;
}
memset(msp,0,sizeof(struct msp3400c));
+ msp->norm = VIDEO_MODE_NTSC;
msp->left = 58880; /* 0db gain */
msp->right = 58880; /* 0db gain */
msp->bass = 32768;
msp->treble = 32768;
msp->input = -1;
msp->muted = 0;
+ for (i = 0; i < DFP_COUNT; i++)
+ msp->dfp_regs[i] = -1;
i2c_set_clientdata(c, msp);
init_waitqueue_head(&msp->wq);
/* startup control thread if needed */
if (thread_func) {
msp->kthread = kthread_run(thread_func, c, "msp34xx");
+
if (NULL == msp->kthread)
printk(KERN_WARNING "msp34xx: kernel_thread() failed\n");
msp_wake_thread(c);
}
/* done */
- i2c_attach_client(c);
+ i2c_attach_client(c);
+
+ /* update our own array */
+ for (i = 0; i < MSP3400_MAX; i++) {
+ if (NULL == msps[i]) {
+ msps[i] = c;
+ break;
+ }
+ }
return 0;
}
static int msp_detach(struct i2c_client *client)
{
struct msp3400c *msp = i2c_get_clientdata(client);
+ int i;
/* shutdown control thread */
if (msp->kthread) {
msp->restart = 1;
kthread_stop(msp->kthread);
}
- msp3400c_reset(client);
+ msp3400c_reset(client);
+
+ /* update our own array */
+ for (i = 0; i < MSP3400_MAX; i++) {
+ if (client == msps[i]) {
+ msps[i] = NULL;
+ break;
+ }
+ }
i2c_detach_client(client);
+
kfree(msp);
kfree(client);
return 0;
static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct msp3400c *msp = i2c_get_clientdata(client);
- __u16 *sarg = arg;
+ __u16 *sarg = arg;
int scart = 0;
switch (cmd) {
dprintk("msp34xx: AUDC_SET_RADIO\n");
msp->norm = VIDEO_MODE_RADIO;
dprintk("msp34xx: switching to radio mode\n");
+ if (IS_MSP34XX_G(msp))
+ msp34xxg_reset(client);
+
msp->watch_stereo = 0;
switch (msp->opmode) {
case OPMODE_MANUAL:
break;
}
break;
+ /* work-in-progress: hook to control the DFP registers */
+ case MSP_SET_DFPREG:
+ {
+ struct msp_dfpreg *r = arg;
+ int i;
+
+ if (r->reg < 0 || r->reg >= DFP_COUNT)
+ return -EINVAL;
+ for (i = 0; i < sizeof(bl_dfp) / sizeof(int); i++)
+ if (r->reg == bl_dfp[i])
+ return -EINVAL;
+ msp->dfp_regs[r->reg] = r->value;
+ msp3400c_write(client, I2C_MSP3400C_DFP, r->reg, r->value);
+ return 0;
+ }
+ case MSP_GET_DFPREG:
+ {
+ struct msp_dfpreg *r = arg;
+
+ if (r->reg < 0 || r->reg >= DFP_COUNT)
+ return -EINVAL;
+ r->value = msp3400c_read(client, I2C_MSP3400C_DFP, r->reg);
+ return 0;
+ }
/* --- v4l ioctls --- */
/* take care: bttv does userspace copying, we'll get a
dprintk("msp34xx: VIDIOCSCHAN (norm=%d)\n",vc->norm);
msp->norm = vc->norm;
+ if (IS_MSP34XX_G(msp))
+ msp34xxg_reset(client);
+
msp_wake_thread(client);
break;
}
{
/* new channel -- kick audio carrier scan */
dprintk("msp34xx: VIDIOCSFREQ\n");
+ if (IS_MSP34XX_G(msp))
+ msp34xxg_reset(client);
+
msp_wake_thread(client);
break;
}
}
msp_any_detect_stereo(client);
- if (msp->audmode == V4L2_TUNER_MODE_STEREO) {
+ if (msp->audmode == V4L2_TUNER_MODE_STEREO) {
a->capability=V4L2_AUDCAP_STEREO;
}
msp3400c_set_scart(client,scart,0);
msp3400c_write(client,I2C_MSP3400C_DFP,0x000d,0x1900);
}
- if (sarg->capability==V4L2_AUDCAP_STEREO) {
+ if (sarg->capability==V4L2_AUDCAP_STEREO) {
msp->audmode = V4L2_TUNER_MODE_STEREO;
} else {
msp->audmode &= ~V4L2_TUNER_MODE_STEREO;
projects / mv-sheeva.git / blobdiff