linux-kernel - [PATCH 10/10] ARM: davinci: add pdata-quirks for da850-evm vpif display

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Message-Id: <1486485683-11427-11-git-send-email-bgolaszewski@baylibre.com>
Date:   Tue,  7 Feb 2017 17:41:23 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Kevin Hilman <khilman@...nel.org>, Sekhar Nori <nsekhar@...com>,
        Patrick Titiano <ptitiano@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Alexandre Bailon <abailon@...libre.com>,
        David Lechner <david@...hnology.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Lad Prabhakar <prabhakar.csengg@...il.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH 10/10] ARM: davinci: add pdata-quirks for da850-evm vpif display

Similarly to vpif capture: we need to register the vpif display driver
and the corresponding adv7343 encoder in pdata-quirks as the DT
support is not complete.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 arch/arm/mach-davinci/pdata-quirks.c | 86 +++++++++++++++++++++++++++++++++++-
 1 file changed, 85 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/pdata-quirks.c b/arch/arm/mach-davinci/pdata-quirks.c
index 09f62ac..0a55546 100644
--- a/arch/arm/mach-davinci/pdata-quirks.c
+++ b/arch/arm/mach-davinci/pdata-quirks.c
@@ -9,13 +9,17 @@
  */
 #include <linux/kernel.h>
 #include <linux/of_platform.h>
+#include <linux/gpio.h>
 
 #include <media/i2c/tvp514x.h>
+#include <media/i2c/adv7343.h>
 
 #include <mach/common.h>
 #include <mach/da8xx.h>
 #include <mach/mux.h>
 
+#define DA850_EVM_UI_EXP_SEL_VPIF_DISP 5
+
 struct pdata_init {
 	const char *compatible;
 	void (*fn)(void);
@@ -107,7 +111,78 @@ static struct vpif_capture_config da850_vpif_capture_config = {
 	},
 	.card_name = "DA850/OMAP-L138 Video Capture",
 };
+#endif /* IS_ENABLED(CONFIG_VIDEO_DAVINCI_VPIF_CAPTURE) */
+
+#if defined(CONFIG_DA850_UI_SD_VIDEO_PORT)
+static void vpif_evm_display_setup(void)
+{
+	int gpio = DAVINCI_N_GPIO + DA850_EVM_UI_EXP_SEL_VPIF_DISP, ret;
+
+	ret = gpio_request(gpio, "sel_c");
+	if (ret) {
+		pr_warn("Cannot open UI expander pin %d\n", gpio);
+		return;
+	}
+
+	gpio_direction_output(gpio, 0);
+}
+
+static struct adv7343_platform_data adv7343_pdata = {
+	.mode_config = {
+		.dac = { 1, 1, 1 },
+	},
+	.sd_config = {
+		.sd_dac_out = { 1 },
+	},
+};
+
+static struct vpif_subdev_info da850_vpif_subdev[] = {
+	{
+		.name = "adv7343",
+		.board_info = {
+			I2C_BOARD_INFO("adv7343", 0x2a),
+			.platform_data = &adv7343_pdata,
+		},
+	},
+};
 
+static const struct vpif_output da850_ch0_outputs[] = {
+	{
+		.output = {
+			.index = 0,
+			.name = "Composite",
+			.type = V4L2_OUTPUT_TYPE_ANALOG,
+			.capabilities = V4L2_OUT_CAP_STD,
+			.std = V4L2_STD_ALL,
+		},
+		.subdev_name = "adv7343",
+		.output_route = ADV7343_COMPOSITE_ID,
+	},
+	{
+		.output = {
+			.index = 1,
+			.name = "S-Video",
+			.type = V4L2_OUTPUT_TYPE_ANALOG,
+			.capabilities = V4L2_OUT_CAP_STD,
+			.std = V4L2_STD_ALL,
+		},
+		.subdev_name = "adv7343",
+		.output_route = ADV7343_SVIDEO_ID,
+	},
+};
+
+static struct vpif_display_config da850_vpif_display_config = {
+	.subdevinfo   = da850_vpif_subdev,
+	.subdev_count = ARRAY_SIZE(da850_vpif_subdev),
+	.chan_config[0] = {
+		.outputs = da850_ch0_outputs,
+		.output_count = ARRAY_SIZE(da850_ch0_outputs),
+	},
+	.card_name    = "DA850/OMAP-L138 Video Display",
+};
+#endif /* defined(CONFIG_DA850_UI_SD_VIDEO_PORT) */
+
+#if IS_ENABLED(CONFIG_VIDEO_DAVINCI_VPIF_CAPTURE) || defined(CONFIG_DA850_UI_SD_VIDEO_PORT)
 static void __init da850_vpif_legacy_init(void)
 {
 	int ret;
@@ -120,8 +195,17 @@ static void __init da850_vpif_legacy_init(void)
 	if (ret)
 		pr_warn("%s: VPIF capture setup failed: %d\n",
 			__func__, ret);
+
+	/* LCDK doesn't support VPIF display */
+	if (of_machine_is_compatible("ti,da850-evm")) {
+		vpif_evm_display_setup();
+		ret = da850_register_vpif_display(&da850_vpif_display_config);
+		if (ret)
+			pr_warn("%s: VPIF display setup failed: %d\n",
+				__func__, ret);
+	}
 }
-#endif
+#endif /* IS_ENABLED(CONFIG_VIDEO_DAVINCI_VPIF_CAPTURE) || defined(CONFIG_DA850_UI_SD_VIDEO_PORT) */
 
 static void pdata_quirks_check(struct pdata_init *quirks)
 {
-- 
2.9.3