Hi Ian,
Thank you for the patch.
On Monday 11 August 2014 13:05:18 Ian Molton wrote:
> This patch adds necessary support for the ADV7612 dual HDMI decoder /
> repeater chip.
>
> This was tested using a heavily modified rcar_vin/soc_camera capture driver.
>
> Tested-by: William Towle <william.to...@codethink.co.uk>
> Signed-off-by: Ian Molton <ian.mol...@codethink.co.uk>
> ---
> .../devicetree/bindings/media/i2c/adv7604.txt | 17 +++----
> drivers/media/i2c/adv7604.c | 54 ++++++++++++++++++-
> 2 files changed, 61 insertions(+), 10 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/media/i2c/adv7604.txt
> b/Documentation/devicetree/bindings/media/i2c/adv7604.txt index
> c27cede..cc0708c 100644
> --- a/Documentation/devicetree/bindings/media/i2c/adv7604.txt
> +++ b/Documentation/devicetree/bindings/media/i2c/adv7604.txt
> @@ -1,15 +1,16 @@
> -* Analog Devices ADV7604/11 video decoder with HDMI receiver
> +* Analog Devices ADV7604/11/12 video decoder with HDMI receiver
>
> -The ADV7604 and ADV7611 are multiformat video decoders with an integrated
> HDMI
> -receiver. The ADV7604 has four multiplexed HDMI inputs and one analog
> input,
> -and the ADV7611 has one HDMI input and no analog input.
> +The ADV7604 and ADV7611/12 are multiformat video decoders with an
> integrated
> +HDMI receiver. The ADV7604 has four multiplexed HDMI inputs and one analog
> +input, and the ADV7611 has one HDMI input and no analog input. The 7612 is
> similar to the 7611 but has 2 HDMI inputs.
Any reason to make the last line stand out instead of wrapping it at 80
characters ?
> -These device tree bindings support the ADV7611 only at the moment.
> +These device tree bindings support the ADV7611/12 only at the moment.
>
> Required Properties:
>
> - compatible: Must contain one of the following
> - "adi,adv7611" for the ADV7611
> + - "adi,adv7612" for the ADV7612
>
> - reg: I2C slave address
>
> @@ -22,10 +23,10 @@ port, in accordance with the video interface bindings
> defined in Documentation/devicetree/bindings/media/video-interfaces.txt.
> The port nodes are numbered as follows.
>
> - Port ADV7611
> + Port ADV7611 ADV7612
> ------------------------------------------------------------
> - HDMI 0
> - Digital output 1
> + HDMI 0 0, 1
> + Digital output 1 2
>
> The digital output port node must contain at least one endpoint.
>
> diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
> index 1778d32..9f73a7f 100644
> --- a/drivers/media/i2c/adv7604.c
> +++ b/drivers/media/i2c/adv7604.c
> @@ -80,6 +80,7 @@ MODULE_LICENSE("GPL");
> enum adv7604_type {
> ADV7604,
> ADV7611,
> + ADV7612,
> };
>
> struct adv7604_reg_seq {
> @@ -2517,6 +2518,11 @@ static void adv7611_setup_irqs(struct v4l2_subdev
> *sd) io_write(sd, 0x41, 0xd0); /* STDI irq for any change, disable INT2 */
> }
>
> +static void adv7612_setup_irqs(struct v4l2_subdev *sd)
> +{
> + io_write(sd, 0x41, 0xd0); /* disable INT2 */
> +}
> +
> static void adv7604_unregister_clients(struct adv7604_state *state)
> {
> unsigned int i;
> @@ -2601,6 +2607,19 @@ static const struct adv7604_reg_seq
> adv7611_recommended_settings_hdmi[] = { { ADV7604_REG_SEQ_TERM, 0 },
> };
>
> +static const struct adv7604_reg_seq adv7612_recommended_settings_hdmi[] = {
Could you please add a comment here with a reference to the documentation,
like done for ADV7604 and ADV7611 ?
> + { ADV7604_REG(ADV7604_PAGE_CP, 0x6c), 0x00 },
> + { ADV7604_REG(ADV7604_PAGE_HDMI, 0x9b), 0x03 },
> + { ADV7604_REG(ADV7604_PAGE_HDMI, 0x6f), 0x08 },
> + { ADV7604_REG(ADV7604_PAGE_HDMI, 0x85), 0x1f },
> + { ADV7604_REG(ADV7604_PAGE_HDMI, 0x87), 0x70 },
> + { ADV7604_REG(ADV7604_PAGE_HDMI, 0x57), 0xda },
> + { ADV7604_REG(ADV7604_PAGE_HDMI, 0x58), 0x01 },
> + { ADV7604_REG(ADV7604_PAGE_HDMI, 0x03), 0x98 },
> + { ADV7604_REG(ADV7604_PAGE_HDMI, 0x4c), 0x44 },
Aren't you missing the equalizer settings ?
> + { ADV7604_REG_SEQ_TERM, 0 },
> +};
> +
> static const struct adv7604_chip_info adv7604_chip_info[] = {
> [ADV7604] = {
> .type = ADV7604,
> @@ -2663,17 +2682,47 @@ static const struct adv7604_chip_info
> adv7604_chip_info[] = { BIT(ADV7604_PAGE_REP) | BIT(ADV7604_PAGE_EDID) |
> BIT(ADV7604_PAGE_HDMI) | BIT(ADV7604_PAGE_CP),
> },
> + [ADV7612] = {
> + .type = ADV7612,
> + .has_afe = false,
> + .max_port = ADV7604_PAD_HDMI_PORT_B,
> + .num_dv_ports = 2,
> + .edid_enable_reg = 0x74,
> + .edid_status_reg = 0x76,
> + .lcf_reg = 0xa3,
> + .tdms_lock_mask = 0x43,
> + .cable_det_mask = 0x01,
> + .fmt_change_digital_mask = 0x03,
> + .formats = adv7604_formats,
> + .nformats = ARRAY_SIZE(adv7604_formats),
> + .set_termination = adv7611_set_termination,
> + .setup_irqs = adv7612_setup_irqs,
> + .read_hdmi_pixelclock = adv7611_read_hdmi_pixelclock,
> + .read_cable_det = adv7611_read_cable_det,
> + .recommended_settings = {
> + [1] = adv7612_recommended_settings_hdmi,
> + },
> + .num_recommended_settings = {
> + [1] = ARRAY_SIZE(adv7612_recommended_settings_hdmi),
> + },
> + .page_mask = BIT(ADV7604_PAGE_IO) | BIT(ADV7604_PAGE_CEC) |
> + BIT(ADV7604_PAGE_INFOFRAME) | BIT(ADV7604_PAGE_AFE) |
> + BIT(ADV7604_PAGE_REP) | BIT(ADV7604_PAGE_EDID) |
> + BIT(ADV7604_PAGE_HDMI) | BIT(ADV7604_PAGE_CP),
> + },
> };
>
> static struct i2c_device_id adv7604_i2c_id[] = {
> { "adv7604", (kernel_ulong_t)&adv7604_chip_info[ADV7604] },
> { "adv7611", (kernel_ulong_t)&adv7604_chip_info[ADV7611] },
> + { "adv7612", (kernel_ulong_t)&adv7604_chip_info[ADV7612] },
> { }
> };
> MODULE_DEVICE_TABLE(i2c, adv7604_i2c_id);
>
> static struct of_device_id adv7604_of_id[] __maybe_unused = {
> { .compatible = "adi,adv7611", .data = &adv7604_chip_info[ADV7611] },
> + { .compatible = "adi,adv7612", .data = &adv7604_chip_info[ADV7612] },
> { }
> };
> MODULE_DEVICE_TABLE(of, adv7604_of_id);
> @@ -2828,8 +2877,9 @@ static int adv7604_probe(struct i2c_client *client,
> } else {
> val = (adv_smbus_read_byte_data_check(client, 0xea, false) << 8)
> | (adv_smbus_read_byte_data_check(client, 0xeb, false) <<
> 0);
>
> - if (val != 0x2051) {
> - v4l2_info(sd, "not an adv7611 on address 0x%x\n",
> + if ((state->info->type == ADV7611 && val != 0x2051) ||
> + (state->info->type == ADV7612 && val != 0x2041)) {
> + v4l2_info(sd, "not an adv761x on address 0x%x\n",
Not a major issue, but that message could be misleading, as it could get
printed when an ADV7611/12 is detected when an ADV7612/11 was expected.
> client->addr << 1);
> return -ENODEV;
> }
--
Regards,
Laurent Pinchart
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