diff options
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-417.c | 57 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-cards.c | 9 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-core.c | 8 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885.h | 9 |
4 files changed, 61 insertions, 22 deletions
diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c index 1a1048b18f7..6c3b51ce337 100644 --- a/drivers/media/video/cx23885/cx23885-417.c +++ b/drivers/media/video/cx23885/cx23885-417.c @@ -630,6 +630,39 @@ int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value) return retval; } +void mc417_gpio_set(struct cx23885_dev *dev, u32 mask) +{ + u32 val; + + /* Set the gpio value */ + mc417_register_read(dev, 0x900C, &val); + val |= (mask & 0x000ffff); + mc417_register_write(dev, 0x900C, val); +} + +void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask) +{ + u32 val; + + /* Clear the gpio value */ + mc417_register_read(dev, 0x900C, &val); + val &= ~(mask & 0x0000ffff); + mc417_register_write(dev, 0x900C, val); +} + +void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput) +{ + u32 val; + + /* Enable GPIO direction bits */ + mc417_register_read(dev, 0x9020, &val); + if (asoutput) + val |= (mask & 0x0000ffff); + else + val &= ~(mask & 0x0000ffff); + + mc417_register_write(dev, 0x9020, val); +} /* ------------------------------------------------------------------ */ /* MPEG encoder API */ @@ -955,25 +988,8 @@ static int cx23885_load_firmware(struct cx23885_dev *dev) retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); - /* Restore GPIO settings, make sure EIO14 is enabled as an output. */ - dprintk(2, "%s: GPIO output EIO 0-15 was = 0x%x\n", - __func__, gpio_output); - /* Power-up seems to have GPIOs AFU. This was causing digital side - * to fail at power-up. Seems GPIOs should be set to 0x10ff0411 at - * power-up. - * gpio_output |= (1<<14); - */ - /* Note: GPIO14 is specific to the HVR1800 here */ - gpio_output = 0x10ff0411 | (1<<14); - retval |= mc417_register_write(dev, 0x9020, gpio_output | (1<<14)); - dprintk(2, "%s: GPIO output EIO 0-15 now = 0x%x\n", - __func__, gpio_output); - - dprintk(1, "%s: GPIO value EIO 0-15 was = 0x%x\n", - __func__, value); - value |= (1<<14); - dprintk(1, "%s: GPIO value EIO 0-15 now = 0x%x\n", - __func__, value); + /* F/W power up disturbs the GPIOs, restore state */ + retval |= mc417_register_write(dev, 0x9020, gpio_output); retval |= mc417_register_write(dev, 0x900C, value); retval |= mc417_register_read(dev, IVTV_REG_VPU, &value); @@ -1788,9 +1804,6 @@ int cx23885_417_register(struct cx23885_dev *dev) return err; } - /* Initialize MC417 registers */ - cx23885_mc417_init(dev); - printk(KERN_INFO "%s: registered device video%d [mpeg]\n", dev->name, dev->v4l_device->num); diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index a9d36298147..742af197680 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -582,6 +582,15 @@ void cx23885_gpio_setup(struct cx23885_dev *dev) /* CX23417 GPIO's */ /* EIO15 Zilog Reset */ /* EIO14 S5H1409/CX24227 Reset */ + mc417_gpio_enable(dev, GPIO_15 | GPIO_14, 1); + + /* Put the demod into reset and protect the eeprom */ + mc417_gpio_clear(dev, GPIO_15 | GPIO_14); + mdelay(100); + + /* Bring the demod and blaster out of reset */ + mc417_gpio_set(dev, GPIO_15 | GPIO_14); + mdelay(100); /* Force the TDA8295A into reset and back */ cx_set(GP0_IO, 0x00040004); diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c index bf7bb1c412f..554f085c55e 100644 --- a/drivers/media/video/cx23885/cx23885-core.c +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -868,6 +868,14 @@ static int cx23885_dev_setup(struct cx23885_dev *dev) dprintk(1, "%s() radio_type = 0x%x radio_addr = 0x%x\n", __func__, dev->radio_type, dev->radio_addr); + /* The cx23417 encoder has GPIO's that need to be initialised + * before DVB, so that demodulators and tuners are out of + * reset before DVB uses them. + */ + if ((cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) || + (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER)) + cx23885_mc417_init(dev); + /* init hardware */ cx23885_reset(dev); diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index d68574d867c..0958d6a7ffd 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -88,6 +88,12 @@ #define GPIO_7 0x00000080 #define GPIO_8 0x00000100 #define GPIO_9 0x00000200 +#define GPIO_10 0x00000400 +#define GPIO_11 0x00000800 +#define GPIO_12 0x00001000 +#define GPIO_13 0x00002000 +#define GPIO_14 0x00004000 +#define GPIO_15 0x00008000 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */ #define CX23885_NORMS (\ @@ -505,6 +511,9 @@ extern void cx23885_417_check_encoder(struct cx23885_dev *dev); extern void cx23885_mc417_init(struct cx23885_dev *dev); extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value); extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value); +extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask); +extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask); +extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput); /* ----------------------------------------------------------- */ |