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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 
 kernel/include/media/drv-intf/cx25840.h
....@@ -1,37 +1,31 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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+
13 /*
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-    cx25840.h - definition for cx25840/1/2/3 inputs
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-
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-    Copyright (C) 2006 Hans Verkuil (hverkuil@xs4all.nl)
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-
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-    This program is free software; you can redistribute it and/or modify
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-    it under the terms of the GNU General Public License as published by
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-    the Free Software Foundation; either version 2 of the License, or
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-    (at your option) any later version.
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-
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-    This program is distributed in the hope that it will be useful,
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-    but WITHOUT ANY WARRANTY; without even the implied warranty of
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-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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-    GNU General Public License for more details.
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-
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-    You should have received a copy of the GNU General Public License
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-    along with this program; if not, write to the Free Software
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-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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-*/
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+ *   cx25840.h - definition for cx25840/1/2/3 inputs
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+ *
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+ *   Copyright (C) 2006 Hans Verkuil (hverkuil@xs4all.nl)
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+ */
208 
219 #ifndef _CX25840_H_
2210 #define _CX25840_H_
2311 
24
-/* Note that the cx25840 driver requires that the bridge driver calls the
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-   v4l2_subdev's init operation in order to load the driver's firmware.
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-   Without this the audio standard detection will fail and you will
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-   only get mono.
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-
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-   Since loading the firmware is often problematic when the driver is
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-   compiled into the kernel I recommend postponing calling this function
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-   until the first open of the video device. Another reason for
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-   postponing it is that loading this firmware takes a long time (seconds)
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-   due to the slow i2c bus speed. So it will speed up the boot process if
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-   you can avoid loading the fw as long as the video device isn't used. */
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+/*
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+ * Note that the cx25840 driver requires that the bridge driver calls the
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+ * v4l2_subdev's load_fw operation in order to load the driver's firmware.
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+ * This will load the firmware on the first invocation (further ones are NOP).
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+ * Without this the audio standard detection will fail and you will
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+ * only get mono.
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+ * Alternatively, you can call the reset operation (this can be done
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+ * multiple times if needed, each invocation will fully reinitialize
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+ * the device).
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+ *
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+ * Since loading the firmware is often problematic when the driver is
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+ * compiled into the kernel I recommend postponing calling this function
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+ * until the first open of the video device. Another reason for
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+ * postponing it is that loading this firmware takes a long time (seconds)
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+ * due to the slow i2c bus speed. So it will speed up the boot process if
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+ * you can avoid loading the fw as long as the video device isn't used.
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+ */
3529 
3630 enum cx25840_video_input {
3731 	/* Composite video inputs In1-In8 */
....@@ -44,8 +38,10 @@
4438 	CX25840_COMPOSITE7,
4539 	CX25840_COMPOSITE8,
4640 
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-	/* S-Video inputs consist of one luma input (In1-In8) ORed with one
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-	   chroma input (In5-In8) */
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+	/*
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+	 * S-Video inputs consist of one luma input (In1-In8) ORed with one
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+	 * chroma input (In5-In8)
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+	 */
4945 	CX25840_SVIDEO_LUMA1 = 0x10,
5046 	CX25840_SVIDEO_LUMA2 = 0x20,
5147 	CX25840_SVIDEO_LUMA3 = 0x30,
....@@ -88,6 +84,81 @@
8884 	CX25840_DIF_ON = 0x80000400,
8985 };
9086 
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+/*
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+ * The defines below are used to set the chip video output settings
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+ * in the generic mode that can be enabled by calling the subdevice
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+ * init core op.
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+ *
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+ * The requested settings can be passed to the init core op as
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+ * @val parameter and to the s_routing video op as @config parameter.
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+ *
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+ * For details please refer to the section 3.7 Video Output Formatting and
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+ * to Video Out Control 1 to 4 registers in the section 5.6 Video Decoder Core
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+ * of the chip datasheet.
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+ */
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+#define CX25840_VCONFIG_FMT_SHIFT 0
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+#define CX25840_VCONFIG_FMT_MASK GENMASK(2, 0)
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+#define CX25840_VCONFIG_FMT_BT601 BIT(0)
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+#define CX25840_VCONFIG_FMT_BT656 BIT(1)
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+#define CX25840_VCONFIG_FMT_VIP11 GENMASK(1, 0)
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+#define CX25840_VCONFIG_FMT_VIP2 BIT(2)
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+
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+#define CX25840_VCONFIG_RES_SHIFT 3
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+#define CX25840_VCONFIG_RES_MASK GENMASK(4, 3)
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+#define CX25840_VCONFIG_RES_8BIT BIT(3)
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+#define CX25840_VCONFIG_RES_10BIT BIT(4)
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+
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+#define CX25840_VCONFIG_VBIRAW_SHIFT 5
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+#define CX25840_VCONFIG_VBIRAW_MASK GENMASK(6, 5)
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+#define CX25840_VCONFIG_VBIRAW_DISABLED BIT(5)
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+#define CX25840_VCONFIG_VBIRAW_ENABLED BIT(6)
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+
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+#define CX25840_VCONFIG_ANCDATA_SHIFT 7
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+#define CX25840_VCONFIG_ANCDATA_MASK GENMASK(8, 7)
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+#define CX25840_VCONFIG_ANCDATA_DISABLED BIT(7)
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+#define CX25840_VCONFIG_ANCDATA_ENABLED BIT(8)
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+
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+#define CX25840_VCONFIG_TASKBIT_SHIFT 9
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+#define CX25840_VCONFIG_TASKBIT_MASK GENMASK(10, 9)
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+#define CX25840_VCONFIG_TASKBIT_ZERO BIT(9)
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+#define CX25840_VCONFIG_TASKBIT_ONE BIT(10)
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+
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+#define CX25840_VCONFIG_ACTIVE_SHIFT 11
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+#define CX25840_VCONFIG_ACTIVE_MASK GENMASK(12, 11)
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+#define CX25840_VCONFIG_ACTIVE_COMPOSITE BIT(11)
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+#define CX25840_VCONFIG_ACTIVE_HORIZONTAL BIT(12)
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+
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+#define CX25840_VCONFIG_VALID_SHIFT 13
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+#define CX25840_VCONFIG_VALID_MASK GENMASK(14, 13)
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+#define CX25840_VCONFIG_VALID_NORMAL BIT(13)
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+#define CX25840_VCONFIG_VALID_ANDACTIVE BIT(14)
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+
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+#define CX25840_VCONFIG_HRESETW_SHIFT 15
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+#define CX25840_VCONFIG_HRESETW_MASK GENMASK(16, 15)
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+#define CX25840_VCONFIG_HRESETW_NORMAL BIT(15)
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+#define CX25840_VCONFIG_HRESETW_PIXCLK BIT(16)
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+
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+#define CX25840_VCONFIG_CLKGATE_SHIFT 17
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+#define CX25840_VCONFIG_CLKGATE_MASK GENMASK(18, 17)
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+#define CX25840_VCONFIG_CLKGATE_NONE BIT(17)
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+#define CX25840_VCONFIG_CLKGATE_VALID BIT(18)
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+#define CX25840_VCONFIG_CLKGATE_VALIDACTIVE GENMASK(18, 17)
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+
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+#define CX25840_VCONFIG_DCMODE_SHIFT 19
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+#define CX25840_VCONFIG_DCMODE_MASK GENMASK(20, 19)
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+#define CX25840_VCONFIG_DCMODE_DWORDS BIT(19)
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+#define CX25840_VCONFIG_DCMODE_BYTES BIT(20)
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+
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+#define CX25840_VCONFIG_IDID0S_SHIFT 21
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+#define CX25840_VCONFIG_IDID0S_MASK GENMASK(22, 21)
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+#define CX25840_VCONFIG_IDID0S_NORMAL BIT(21)
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+#define CX25840_VCONFIG_IDID0S_LINECNT BIT(22)
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+
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+#define CX25840_VCONFIG_VIPCLAMP_SHIFT 23
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+#define CX25840_VCONFIG_VIPCLAMP_MASK GENMASK(24, 23)
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+#define CX25840_VCONFIG_VIPCLAMP_ENABLED BIT(23)
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+#define CX25840_VCONFIG_VIPCLAMP_DISABLED BIT(24)
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+
91162 enum cx25840_audio_input {
92163 	/* Audio inputs: serial or In4-In8 */
93164 	CX25840_AUDIO_SERIAL,
....@@ -115,7 +186,7 @@
115186 };
116187 
117188 enum cx25840_io_pad {
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-	/* Output pads */
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+	/* Output pads, these must match the actual chip register values */
119190 	CX25840_PAD_DEFAULT = 0,
120191 	CX25840_PAD_ACTIVE,
121192 	CX25840_PAD_VACTIVE,
....@@ -174,13 +245,16 @@
174245 	CX23885_PAD_GPIO16,
175246 };
176247 
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-/* pvr150_workaround activates a workaround for a hardware bug that is
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-   present in Hauppauge PVR-150 (and possibly PVR-500) cards that have
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-   certain NTSC tuners (tveeprom tuner model numbers 85, 99 and 112). The
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-   audio autodetect fails on some channels for these models and the workaround
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-   is to select the audio standard explicitly. Many thanks to Hauppauge for
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-   providing this information.
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-   This platform data only needs to be supplied by the ivtv driver. */
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+/*
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+ * pvr150_workaround activates a workaround for a hardware bug that is
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+ * present in Hauppauge PVR-150 (and possibly PVR-500) cards that have
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+ * certain NTSC tuners (tveeprom tuner model numbers 85, 99 and 112). The
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+ * audio autodetect fails on some channels for these models and the workaround
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+ * is to select the audio standard explicitly. Many thanks to Hauppauge for
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+ * providing this information.
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+ *
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+ * This platform data only needs to be supplied by the ivtv driver.
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+ */
184258 struct cx25840_platform_data {
185259 	int pvr150_workaround;
186260 };