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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 19:54:53 (GMT) |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 20:01:40 (GMT) |
commit | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (patch) | |
tree | 3c2086ab67398a019089a47ca3f362a4bc6db74f /drivers/media/video/cx23885/cx23885-417.c | |
parent | 34e84f39a27d059a3e6ec6e8b94aafa702e6f220 (diff) | |
parent | 9173a8ef24a6b1b8031507b35b8ffe5f85a87692 (diff) | |
download | linux-fsl-qoriq-ae19ffbadc1b2100285a5b5b3d0a4e0a11390904.tar.xz |
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-417.c')
-rw-r--r-- | drivers/media/video/cx23885/cx23885-417.c | 57 |
1 files changed, 35 insertions, 22 deletions
diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c index 1a1048b..6c3b51c 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); |