[media] adv7842: add new video decoder driver

This is a Analog Devices Component/Graphics/SD Digitizer with 2:1
Multiplexed HDMI Receiver.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/i2c/Kconfig

@@ -206,6 +206,18 @@ config VIDEO_ADV7604
 	  To compile this driver as a module, choose M here: the
 	  module will be called adv7604.
 
+config VIDEO_ADV7842
+	tristate "Analog Devices ADV7842 decoder"
+	depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
+	---help---
+	  Support for the Analog Devices ADV7842 video decoder.
+
+	  This is a Analog Devices Component/Graphics/SD Digitizer
+	  with 2:1 Multiplexed HDMI Receiver.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called adv7842.
+
 config VIDEO_BT819
 	tristate "BT819A VideoStream decoder"
 	depends on VIDEO_V4L2 && I2C

drivers/media/i2c/Makefile

@@ -26,6 +26,7 @@ obj-$(CONFIG_VIDEO_ADV7183) += adv7183.o
 obj-$(CONFIG_VIDEO_ADV7343) += adv7343.o
 obj-$(CONFIG_VIDEO_ADV7393) += adv7393.o
 obj-$(CONFIG_VIDEO_ADV7604) += adv7604.o
+obj-$(CONFIG_VIDEO_ADV7842) += adv7842.o
 obj-$(CONFIG_VIDEO_AD9389B) += ad9389b.o
 obj-$(CONFIG_VIDEO_VPX3220) += vpx3220.o
 obj-$(CONFIG_VIDEO_VS6624)  += vs6624.o

include/media/adv7842.h

+/*
+ * adv7842 - Analog Devices ADV7842 video decoder driver
+ *
+ * Copyright 2013 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _ADV7842_
+#define _ADV7842_
+
+/* Analog input muxing modes (AFE register 0x02, [2:0]) */
+enum adv7842_ain_sel {
+	ADV7842_AIN1_2_3_NC_SYNC_1_2 = 0,
+	ADV7842_AIN4_5_6_NC_SYNC_2_1 = 1,
+	ADV7842_AIN7_8_9_NC_SYNC_3_1 = 2,
+	ADV7842_AIN10_11_12_NC_SYNC_4_1 = 3,
+	ADV7842_AIN9_4_5_6_SYNC_2_1 = 4,
+};
+
+/* Bus rotation and reordering (IO register 0x04, [7:5]) */
+enum adv7842_op_ch_sel {
+	ADV7842_OP_CH_SEL_GBR = 0,
+	ADV7842_OP_CH_SEL_GRB = 1,
+	ADV7842_OP_CH_SEL_BGR = 2,
+	ADV7842_OP_CH_SEL_RGB = 3,
+	ADV7842_OP_CH_SEL_BRG = 4,
+	ADV7842_OP_CH_SEL_RBG = 5,
+};
+
+/* Mode of operation */
+enum adv7842_mode {
+	ADV7842_MODE_SDP,
+	ADV7842_MODE_COMP,
+	ADV7842_MODE_RGB,
+	ADV7842_MODE_HDMI
+};
+
+/* Video standard select (IO register 0x00, [5:0]) */
+enum adv7842_vid_std_select {
+	/* SDP */
+	ADV7842_SDP_VID_STD_CVBS_SD_4x1 = 0x01,
+	ADV7842_SDP_VID_STD_YC_SD4_x1 = 0x09,
+	/* RGB */
+	ADV7842_RGB_VID_STD_AUTO_GRAPH_MODE = 0x07,
+	/* HDMI GR */
+	ADV7842_HDMI_GR_VID_STD_AUTO_GRAPH_MODE = 0x02,
+	/* HDMI COMP */
+	ADV7842_HDMI_COMP_VID_STD_HD_1250P = 0x1e,
+};
+
+/* Input Color Space (IO register 0x02, [7:4]) */
+enum adv7842_inp_color_space {
+	ADV7842_INP_COLOR_SPACE_LIM_RGB = 0,
+	ADV7842_INP_COLOR_SPACE_FULL_RGB = 1,
+	ADV7842_INP_COLOR_SPACE_LIM_YCbCr_601 = 2,
+	ADV7842_INP_COLOR_SPACE_LIM_YCbCr_709 = 3,
+	ADV7842_INP_COLOR_SPACE_XVYCC_601 = 4,
+	ADV7842_INP_COLOR_SPACE_XVYCC_709 = 5,
+	ADV7842_INP_COLOR_SPACE_FULL_YCbCr_601 = 6,
+	ADV7842_INP_COLOR_SPACE_FULL_YCbCr_709 = 7,
+	ADV7842_INP_COLOR_SPACE_AUTO = 0xf,
+};
+
+/* Select output format (IO register 0x03, [7:0]) */
+enum adv7842_op_format_sel {
+	ADV7842_OP_FORMAT_SEL_SDR_ITU656_8 = 0x00,
+	ADV7842_OP_FORMAT_SEL_SDR_ITU656_10 = 0x01,
+	ADV7842_OP_FORMAT_SEL_SDR_ITU656_12_MODE0 = 0x02,
+	ADV7842_OP_FORMAT_SEL_SDR_ITU656_12_MODE1 = 0x06,
+	ADV7842_OP_FORMAT_SEL_SDR_ITU656_12_MODE2 = 0x0a,
+	ADV7842_OP_FORMAT_SEL_DDR_422_8 = 0x20,
+	ADV7842_OP_FORMAT_SEL_DDR_422_10 = 0x21,
+	ADV7842_OP_FORMAT_SEL_DDR_422_12_MODE0 = 0x22,
+	ADV7842_OP_FORMAT_SEL_DDR_422_12_MODE1 = 0x23,
+	ADV7842_OP_FORMAT_SEL_DDR_422_12_MODE2 = 0x24,
+	ADV7842_OP_FORMAT_SEL_SDR_444_24 = 0x40,
+	ADV7842_OP_FORMAT_SEL_SDR_444_30 = 0x41,
+	ADV7842_OP_FORMAT_SEL_SDR_444_36_MODE0 = 0x42,
+	ADV7842_OP_FORMAT_SEL_DDR_444_24 = 0x60,
+	ADV7842_OP_FORMAT_SEL_DDR_444_30 = 0x61,
+	ADV7842_OP_FORMAT_SEL_DDR_444_36 = 0x62,
+	ADV7842_OP_FORMAT_SEL_SDR_ITU656_16 = 0x80,
+	ADV7842_OP_FORMAT_SEL_SDR_ITU656_20 = 0x81,
+	ADV7842_OP_FORMAT_SEL_SDR_ITU656_24_MODE0 = 0x82,
+	ADV7842_OP_FORMAT_SEL_SDR_ITU656_24_MODE1 = 0x86,
+	ADV7842_OP_FORMAT_SEL_SDR_ITU656_24_MODE2 = 0x8a,
+};
+
+enum adv7842_select_input {
+	ADV7842_SELECT_HDMI_PORT_A,
+	ADV7842_SELECT_HDMI_PORT_B,
+	ADV7842_SELECT_VGA_RGB,
+	ADV7842_SELECT_VGA_COMP,
+	ADV7842_SELECT_SDP_CVBS,
+	ADV7842_SELECT_SDP_YC,
+};
+
+struct adv7842_sdp_csc_coeff {
+	bool manual;
+	uint16_t scaling;
+	uint16_t A1;
+	uint16_t A2;
+	uint16_t A3;
+	uint16_t A4;
+	uint16_t B1;
+	uint16_t B2;
+	uint16_t B3;
+	uint16_t B4;
+	uint16_t C1;
+	uint16_t C2;
+	uint16_t C3;
+	uint16_t C4;
+};
+
+struct adv7842_sdp_io_sync_adjustment {
+	bool adjust;
+	uint16_t hs_beg;
+	uint16_t hs_width;
+	uint16_t de_beg;
+	uint16_t de_end;
+};
+
+/* Platform dependent definition */
+struct adv7842_platform_data {
+	/* connector - HDMI or DVI? */
+	unsigned connector_hdmi:1;
+
+	/* chip reset during probe */
+	unsigned chip_reset:1;
+
+	/* DIS_PWRDNB: 1 if the PWRDNB pin is unused and unconnected */
+	unsigned disable_pwrdnb:1;
+
+	/* DIS_CABLE_DET_RST: 1 if the 5V pins are unused and unconnected */
+	unsigned disable_cable_det_rst:1;
+
+	/* Analog input muxing mode */
+	enum adv7842_ain_sel ain_sel;
+
+	/* Bus rotation and reordering */
+	enum adv7842_op_ch_sel op_ch_sel;
+
+	/* Default mode */
+	enum adv7842_mode mode;
+
+	/* Video standard */
+	enum adv7842_vid_std_select vid_std_select;
+
+	/* Input Color Space */
+	enum adv7842_inp_color_space inp_color_space;
+
+	/* Select output format */
+	enum adv7842_op_format_sel op_format_sel;
+
+	/* IO register 0x02 */
+	unsigned alt_gamma:1;
+	unsigned op_656_range:1;
+	unsigned rgb_out:1;
+	unsigned alt_data_sat:1;
+
+	/* IO register 0x05 */
+	unsigned blank_data:1;
+	unsigned insert_av_codes:1;
+	unsigned replicate_av_codes:1;
+	unsigned invert_cbcr:1;
+
+	/* IO register 0x30 */
+	unsigned output_bus_lsb_to_msb:1;
+
+	/* IO register 0x14 */
+	struct {
+		unsigned data:2;
+		unsigned clock:2;
+		unsigned sync:2;
+	} drive_strength;
+
+	/* External RAM for 3-D comb or frame synchronizer */
+	unsigned sd_ram_size; /* ram size in MB */
+	unsigned sd_ram_ddr:1; /* ddr or sdr sdram */
+
+	/* Free run */
+	unsigned hdmi_free_run_mode;
+
+	struct adv7842_sdp_csc_coeff sdp_csc_coeff;
+
+	struct adv7842_sdp_io_sync_adjustment sdp_io_sync;
+
+	/* i2c addresses */
+	u8 i2c_sdp_io;
+	u8 i2c_sdp;
+	u8 i2c_cp;
+	u8 i2c_vdp;
+	u8 i2c_afe;
+	u8 i2c_hdmi;
+	u8 i2c_repeater;
+	u8 i2c_edid;
+	u8 i2c_infoframe;
+	u8 i2c_cec;
+	u8 i2c_avlink;
+};
+
+#define V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE	(V4L2_CID_DV_CLASS_BASE + 0x1000)
+#define V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL	(V4L2_CID_DV_CLASS_BASE + 0x1001)
+#define V4L2_CID_ADV_RX_FREE_RUN_COLOR		(V4L2_CID_DV_CLASS_BASE + 0x1002)
+
+/* notify events */
+#define ADV7842_FMT_CHANGE	1
+
+/* custom ioctl, used to test the external RAM that's used by the
+ * deinterlacer. */
+#define ADV7842_CMD_RAM_TEST _IO('V', BASE_VIDIOC_PRIVATE)
+
+#endif