static int default_polling_getkey(struct tm6000_IR *ir,
struct tm6000_ir_poll_result *poll_result)
{
struct tm6000_core *dev = ir->dev;
int rc;
u8 buf[2];
if (ir->wait && !&dev->int_in)
return 0;
if (&dev->int_in) {
if (ir->ir.ir_type == IR_TYPE_RC5)
poll_result->rc_data = ir->urb_data[0];
else
poll_result->rc_data = ir->urb_data[0] | ir->urb_data[1] << 8;
} else {
tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 0);
msleep(10);
tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 1);
msleep(10);
if (ir->ir.ir_type == IR_TYPE_RC5) {
rc = tm6000_read_write_usb(dev, USB_DIR_IN |
USB_TYPE_VENDOR | USB_RECIP_DEVICE,
REQ_02_GET_IR_CODE, 0, 0, buf, 1);
msleep(10);
dprintk("read data=%02x\n", buf[0]);
if (rc < 0)
return rc;
poll_result->rc_data = buf[0];
} else {
rc = tm6000_read_write_usb(dev, USB_DIR_IN |
USB_TYPE_VENDOR | USB_RECIP_DEVICE,
REQ_02_GET_IR_CODE, 0, 0, buf, 2);
msleep(10);
dprintk("read data=%04x\n", buf[0] | buf[1] << 8);
if (rc < 0)
return rc;
poll_result->rc_data = buf[0] | buf[1] << 8;
}
if ((poll_result->rc_data & 0x00ff) != 0xff)
ir->key = 1;
}
return 0;
}
/*
* BOARD Specific: Resets audio DMA
*/
static int _tm6000_stop_audio_dma(struct snd_tm6000_card *chip)
{
struct tm6000_core *core = chip->core;
int val;
dprintk(1, "Stopping audio DMA\n");
/* Enables audio */
val = tm6000_get_reg(core, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, 0x0);
val &= ~0x20;
tm6000_set_reg(core, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, val);
tm6000_set_reg(core, TM6010_REQ08_R01_A_INIT, 0);
return 0;
}
static void tm6000_ir_int_work(struct work_struct *work)
{
struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work);
struct tm6000_core *dev = ir->dev;
int rc;
dprintk(3, "%s, submit_urb = %d, pwled = %d\n",__func__, ir->submit_urb,
ir->pwled);
if (ir->submit_urb) {
dprintk(3, "Resubmit urb\n");
tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 0);
rc = usb_submit_urb(ir->int_urb, GFP_ATOMIC);
if (rc < 0) {
printk(KERN_ERR "tm6000: Can't submit an IR interrupt. Error %i\n",
rc);
/* Retry in 100 ms */
schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_SUBMIT_DELAY));
return;
}
ir->submit_urb = 0;
}
/* Led is enabled only if USB submit doesn't fail */
if (ir->pwled == 2) {
tm6000_flash_led(dev, 0);
ir->pwled = 0;
schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_INT_LED_DELAY));
} else if (!ir->pwled) {
tm6000_flash_led(dev, 1);
ir->pwled = 1;
}
}
/*
* BOARD Specific: Resets audio DMA
*/
static int _tm6000_stop_audio_dma(struct snd_tm6000_card *chip)
{
struct tm6000_core *core = chip->core;
dprintk(1, "Stopping audio DMA\n");
/* Disables audio */
tm6000_set_reg_mask(core, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, 0x00, 0x40);
tm6000_set_reg(core, TM6010_REQ08_R01_A_INIT, 0);
return 0;
}
static int _tm6000_start_audio_dma(struct snd_tm6000_card *chip)
{
struct tm6000_core *core = chip->core;
dprintk(1, "Starting audio DMA\n");
/* Enables audio */
tm6000_set_reg_mask(core, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, 0x40, 0x40);
tm6000_set_audio_bitrate(core, 48000);
tm6000_set_reg(core, TM6010_REQ08_R01_A_INIT, 0x80);
return 0;
}
static int tm6000_i2c_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg msgs[], int num)
{
struct tm6000_core *dev = i2c_adap->algo_data;
int addr, rc, i, byte;
if (num <= 0)
return 0;
for (i = 0; i < num; i++) {
addr = (msgs[i].addr << 1) & 0xff;
i2c_dprintk(2, "%s %s addr=0x%x len=%d:",
(msgs[i].flags & I2C_M_RD) ? "read" : "write",
i == num - 1 ? "stop" : "nonstop", addr, msgs[i].len);
if (msgs[i].flags & I2C_M_RD) {
/* read request without preceding register selection */
/*
* The TM6000 only supports a read transaction
* immediately after a 1 or 2 byte write to select
* a register. We cannot fulfil this request.
*/
i2c_dprintk(2, " read without preceding write not"
" supported");
rc = -EOPNOTSUPP;
goto err;
} else if (i + 1 < num && msgs[i].len <= 2 &&
(msgs[i + 1].flags & I2C_M_RD) &&
msgs[i].addr == msgs[i + 1].addr) {
/* 1 or 2 byte write followed by a read */
if (i2c_debug >= 2)
for (byte = 0; byte < msgs[i].len; byte++)
printk(" %02x", msgs[i].buf[byte]);
i2c_dprintk(2, "; joined to read %s len=%d:",
i == num - 2 ? "stop" : "nonstop",
msgs[i + 1].len);
if (msgs[i].len == 2) {
rc = tm6000_i2c_recv_regs16(dev, addr,
msgs[i].buf[0] << 8 | msgs[i].buf[1],
msgs[i + 1].buf, msgs[i + 1].len);
} else {
rc = tm6000_i2c_recv_regs(dev, addr, msgs[i].buf[0],
msgs[i + 1].buf, msgs[i + 1].len);
}
i++;
if (addr == dev->tuner_addr << 1) {
tm6000_set_reg(dev, REQ_50_SET_START, 0, 0);
tm6000_set_reg(dev, REQ_51_SET_STOP, 0, 0);
}
if (i2c_debug >= 2)
for (byte = 0; byte < msgs[i].len; byte++)
printk(" %02x", msgs[i].buf[byte]);
} else {
/* write bytes */
if (i2c_debug >= 2)
for (byte = 0; byte < msgs[i].len; byte++)
printk(" %02x", msgs[i].buf[byte]);
rc = tm6000_i2c_send_regs(dev, addr, msgs[i].buf[0],
msgs[i].buf + 1, msgs[i].len - 1);
if (addr == dev->tuner_addr << 1) {
tm6000_set_reg(dev, REQ_50_SET_START, 0, 0);
tm6000_set_reg(dev, REQ_51_SET_STOP, 0, 0);
}
}
if (i2c_debug >= 2)
printk("\n");
if (rc < 0)
goto err;
}
return num;
err:
i2c_dprintk(2, " ERROR: %i\n", rc);
return rc;
}
static int tm6000_ir_config(struct tm6000_IR *ir)
{
struct tm6000_core *dev = ir->dev;
u32 pulse = 0, leader = 0;
dprintk(2, "%s\n",__func__);
/*
* The IR decoder supports RC-5 or NEC, with a configurable timing.
* The timing configuration there is not that accurate, as it uses
* approximate values. The NEC spec mentions a 562.5 unit period,
* and RC-5 uses a 888.8 period.
* Currently, driver assumes a clock provided by a 12 MHz XTAL, but
* a modprobe parameter can adjust it.
* Adjustments are required for other timings.
* It seems that the 900ms timing for NEC is used to detect a RC-5
* IR, in order to discard such decoding
*/
switch (ir->rc_type) {
case RC_BIT_NEC:
leader = 900; /* ms */
pulse = 700; /* ms - the actual value would be 562 */
break;
default:
case RC_BIT_RC5:
leader = 900; /* ms - from the NEC decoding */
pulse = 1780; /* ms - The actual value would be 1776 */
break;
}
pulse = ir_clock_mhz * pulse;
leader = ir_clock_mhz * leader;
if (ir->rc_type == RC_BIT_NEC)
leader = leader | 0x8000;
dprintk(2, "%s: %s, %d MHz, leader = 0x%04x, pulse = 0x%06x \n",
__func__,
(ir->rc_type == RC_BIT_NEC) ? "NEC" : "RC-5",
ir_clock_mhz, leader, pulse);
/* Remote WAKEUP = enable, normal mode, from IR decoder output */
tm6000_set_reg(dev, TM6010_REQ07_RE5_REMOTE_WAKEUP, 0xfe);
/* Enable IR reception on non-busrt mode */
tm6000_set_reg(dev, TM6010_REQ07_RD8_IR, 0x2f);
/* IR_WKUP_SEL = Low byte in decoded IR data */
tm6000_set_reg(dev, TM6010_REQ07_RDA_IR_WAKEUP_SEL, 0xff);
/* IR_WKU_ADD code */
tm6000_set_reg(dev, TM6010_REQ07_RDB_IR_WAKEUP_ADD, 0xff);
tm6000_set_reg(dev, TM6010_REQ07_RDC_IR_LEADER1, leader >> 8);
tm6000_set_reg(dev, TM6010_REQ07_RDD_IR_LEADER0, leader);
tm6000_set_reg(dev, TM6010_REQ07_RDE_IR_PULSE_CNT1, pulse >> 8);
tm6000_set_reg(dev, TM6010_REQ07_RDF_IR_PULSE_CNT0, pulse);
if (!ir->polling)
tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 0);
else
tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 1);
msleep(10);
/* Shows that IR is working via the LED */
tm6000_flash_led(dev, 0);
msleep(100);
tm6000_flash_led(dev, 1);
ir->pwled = 1;
return 0;
}