[PATCH 7/8] media: uniphier: add LD11 adapter driver for ISDB
From: Masahiro Yamada <hidden>
Date: 2018-06-02 12:02:18
Also in:
linux-media, lkml
2018-05-30 18:09 GMT+09:00 Katsuhiro Suzuki [off-list ref]:
quoted hunk ↗ jump to hunk
diff --git a/drivers/media/platform/uniphier/ld11-mn884433-helene.c b/drivers/media/platform/uniphier/ld11-mn884433-helene.c new file mode 100644 index 000000000000..f4f48b6a0211 --- /dev/null +++ b/drivers/media/platform/uniphier/ld11-mn884433-helene.c@@ -0,0 +1,265 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Socionext UniPhier LD11 adapter driver for ISDB. +// Using Socionext MN884433 ISDB-S/ISDB-T demodulator and +// SONY HELENE tuner. +// +// Copyright (c) 2018 Socionext Inc. + +#include <linux/clk.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/reset.h> + +#include "sc1501a.h"
"sc1501a.h" is not included in this patch series. It took some time to notice that this series actually depends on the following: https://patchwork.kernel.org/patch/10434159/ Otherwise, this cause a build error. scripts/kconfig/conf --syncconfig Kconfig CHK include/config/kernel.release CHK include/generated/uapi/linux/version.h CHK scripts/mod/devicetable-offsets.h CHK include/generated/utsrelease.h CHK include/generated/bounds.h CHK include/generated/timeconst.h CHK include/generated/asm-offsets.h CALL scripts/checksyscalls.sh CC [M] drivers/media/platform/uniphier/ld11-mn884433-helene.o drivers/media/platform/uniphier/ld11-mn884433-helene.c:16:10: fatal error: sc1501a.h: No such file or directory #include "sc1501a.h" ^~~~~~~~~~~ compilation terminated. make[2]: *** [scripts/Makefile.build:313: drivers/media/platform/uniphier/ld11-mn884433-helene.o] Error 1 make[1]: *** [scripts/Makefile.build:559: drivers/media/platform/uniphier] Error 2 make: *** [Makefile:1746: drivers/media/platform/] Error 2 I applied that patch, but still fail to build this series. CC [M] drivers/media/platform/uniphier/hsc-core.o CC [M] drivers/media/platform/uniphier/hsc-ucode.o CC [M] drivers/media/platform/uniphier/hsc-css.o CC [M] drivers/media/platform/uniphier/hsc-ts.o CC [M] drivers/media/platform/uniphier/hsc-dma.o CC [M] drivers/media/platform/uniphier/hsc-ld11.o CC [M] drivers/media/platform/uniphier/uniphier-adapter.o CC [M] drivers/media/platform/uniphier/ld11-mn884433-helene.o drivers/media/platform/uniphier/ld11-mn884433-helene.c:17:10: fatal error: cxd2858.h: No such file or directory #include "cxd2858.h" ^~~~~~~~~~~ compilation terminated. make[1]: *** [scripts/Makefile.build:312: drivers/media/platform/uniphier/ld11-mn884433-helene.o] Error 1 make: *** [Makefile:1665: drivers/media/platform/uniphier/] Error 2 I give up searching pre-requisite patches. You need to describe this information under '---' if your series needs pre-requisite patches that have not been applied yet.
+#include "cxd2858.h"
+#include "helene.h"
+#include "hsc.h"
+#include "uniphier-adapter.h"
+
+static struct sc1501a_config mn884433_conf[] = {
+ { .if_freq = LOW_IF_4MHZ, },
+};
+
+static int uniphier_adapter_demod_probe(struct uniphier_adapter_priv *priv)
+{
+ const struct uniphier_adapter_spec *spec = priv->spec;
+ struct device *dev = &priv->pdev->dev;
+ struct device_node *node;
+ int ret, i;
+
+ priv->demod_mclk = devm_clk_get(dev, "demod-mclk");
+ if (IS_ERR(priv->demod_mclk)) {
+ dev_err(dev, "Failed to request demod-mclk: %ld\n",
+ PTR_ERR(priv->demod_mclk));
+ return PTR_ERR(priv->demod_mclk);
+ }
+
+ priv->demod_gpio = devm_gpiod_get_optional(dev, "reset-demod",
+ GPIOD_OUT_HIGH);
+ if (IS_ERR(priv->demod_gpio)) {
+ dev_err(dev, "Failed to request demod_gpio: %ld\n",
+ PTR_ERR(priv->demod_gpio));
+ return PTR_ERR(priv->demod_gpio);
+ }
+
+ node = of_parse_phandle(dev->of_node, "demod-i2c-bus", 0);
+ if (!node) {
+ dev_err(dev, "Failed to parse demod-i2c-bus\n");
+ return -ENODEV;
+ }
+
+ priv->demod_i2c_adapter = of_find_i2c_adapter_by_node(node);
+ if (!priv->demod_i2c_adapter) {
+ dev_err(dev, "Failed to find demod i2c adapter\n");
+ of_node_put(node);
+ return -ENODEV;
+ }
+ of_node_put(node);
+
+ mn884433_conf[0].reset_gpio = priv->demod_gpio;
+ for (i = 0; i < spec->adapters; i++) {
+ struct i2c_client *c;
+
+ mn884433_conf[i].mclk = priv->demod_mclk;
+ mn884433_conf[i].fe = &priv->fe[i].fe;
+
+ c = dvb_module_probe(spec->demod_i2c_info[i].type, NULL,
+ priv->demod_i2c_adapter,
+ spec->demod_i2c_info[i].addr,
+ &mn884433_conf[i]);
+ if (!c) {
+ dev_err(dev, "Failed to probe demod\n");
+ ret = -ENODEV;
+ goto err_out;
+ }
+ priv->fe[i].demod_i2c = c;
+ }
+
+ return 0;
+
+err_out:
+ for (i = 0; i < spec->adapters; i++)
+ dvb_module_release(priv->fe[i].demod_i2c);
+
+ return ret;
+}
+
+static struct helene_config helene_conf[] = {
+ { .xtal = SONY_HELENE_XTAL_16000, },
+ { .xtal = SONY_HELENE_XTAL_16000, },
+};
+
+static int uniphier_adapter_tuner_probe(struct uniphier_adapter_priv *priv)
+{
+ const struct uniphier_adapter_spec *spec = priv->spec;
+ struct device *dev = &priv->pdev->dev;
+ struct device_node *node;
+ int ret, i;
+
+ priv->tuner_gpio = devm_gpiod_get_optional(dev, "reset-tuner",
+ GPIOD_OUT_HIGH);
+ if (IS_ERR(priv->tuner_gpio)) {
+ dev_err(dev, "Failed to request tuner_gpio: %ld\n",
+ PTR_ERR(priv->tuner_gpio));
+ return PTR_ERR(priv->tuner_gpio);
+ }
+ gpiod_set_value_cansleep(priv->tuner_gpio, 0);
+
+ node = of_parse_phandle(dev->of_node, "tuner-i2c-bus", 0);
+ if (!node) {
+ dev_err(dev, "Failed to parse tuner-i2c-bus\n");
+ return -ENODEV;
+ }
+
+ priv->tuner_i2c_adapter = of_find_i2c_adapter_by_node(node);
+ if (!priv->tuner_i2c_adapter) {
+ dev_err(dev, "Failed to find tuner i2c adapter\n");
+ of_node_put(node);
+ return -ENODEV;
+ }
+ of_node_put(node);
+
+ for (i = 0; i < priv->spec->adapters; i++) {
+ struct i2c_client *c;
+
+ helene_conf[i].fe = priv->fe[i].fe;
+
+ c = dvb_module_probe(spec->tuner_i2c_info[i].type, NULL,
+ priv->tuner_i2c_adapter,
+ spec->tuner_i2c_info[i].addr,
+ &helene_conf[i]);
+ if (!c) {
+ dev_err(dev, "Failed to probe tuner\n");
+ ret = -ENODEV;
+ goto err_out;
+ }
+ priv->fe[i].tuner_i2c = c;
+ }
+
+ return 0;
+
+err_out:
+ for (i = 0; i < spec->adapters; i++)
+ dvb_module_release(priv->fe[i].tuner_i2c);
+
+ return ret;
+}
+
+static int uniphier_adapter_probe(struct platform_device *pdev)
+{
+ struct uniphier_adapter_priv *priv;
+ struct device *dev = &pdev->dev;
+ int i, ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+ priv->pdev = pdev;
+
+ priv->spec = of_device_get_match_data(dev);
+ if (!priv->spec)
+ return -EINVAL;
+
+ priv->fe = devm_kzalloc(dev, sizeof(*priv->fe) * priv->spec->adapters,
+ GFP_KERNEL);
+ if (!priv->fe)
+ return -ENOMEM;
+
+ ret = uniphier_adapter_demux_probe(priv);
+ if (ret)
+ return ret;
+
+ ret = uniphier_adapter_demod_probe(priv);
+ if (ret)
+ return ret;
+
+ ret = uniphier_adapter_tuner_probe(priv);
+ if (ret)
+ return ret;
+
+ platform_set_drvdata(pdev, priv);
+
+ for (i = 0; i < priv->spec->adapters; i++) {
+ priv->chip->tsif[i].fe = priv->fe[i].fe;
+
+ ret = hsc_register_dvb(&priv->chip->tsif[i]);
+ if (ret) {
+ dev_err(dev, "Failed to register adapter\n");
+ goto err_out_if;
+ }
+ }
+
+ return 0;
+
+err_out_if:
+ for (i = 0; i < priv->spec->adapters; i++)
+ hsc_unregister_dvb(&priv->chip->tsif[i]);
+
+ return ret;
+}
+
+static int uniphier_adapter_remove(struct platform_device *pdev)
+{
+ struct uniphier_adapter_priv *priv = platform_get_drvdata(pdev);
+ int i;
+
+ for (i = 0; i < priv->spec->adapters; i++) {
+ hsc_dmaif_release(&priv->chip->dmaif[i]);
+ hsc_tsif_release(&priv->chip->tsif[i]);
+ hsc_unregister_dvb(&priv->chip->tsif[i]);
+ dvb_module_release(priv->fe[i].tuner_i2c);
+ dvb_module_release(priv->fe[i].demod_i2c);
+ }
+
+ return 0;
+}
+
+static const struct hsc_conf ld11_hsc_conf[] = {
+ {
+ .css_in = HSC_CSS_IN_SRLTS0,
+ .css_out = HSC_CSS_OUT_TSI0,
+ .dpll = HSC_DPLL0,
+ .dma_out = HSC_DMA_OUT0,
+ },
+};
+
+static const struct i2c_board_info mn884433_i2c_info[] = {
+ { .type = "mn884433", .addr = 0x68, },
+};
+
+static const struct i2c_board_info helene_i2c_info[] = {
+ { .type = "helene", .addr = 0x61, },
+};
+
+static const struct uniphier_adapter_spec ld11_mn884433_helene_spec = {
+ .adapters = 1,
+ .hsc_conf = ld11_hsc_conf,
+ .demod_i2c_info = mn884433_i2c_info,
+ .tuner_i2c_info = helene_i2c_info,
+};
+
+static const struct of_device_id uniphier_hsc_adapter_of_match[] = {
+ {
+ .compatible = "socionext,uniphier-ld11-mn884433-helene",
+ .data = &ld11_mn884433_helene_spec,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, uniphier_hsc_adapter_of_match);
+
+static struct platform_driver uniphier_hsc_adapter_driver = {
+ .driver = {
+ .name = "uniphier-ld11-isdb",
+ .of_match_table = of_match_ptr(uniphier_hsc_adapter_of_match),
+ },
+ .probe = uniphier_adapter_probe,
+ .remove = uniphier_adapter_remove,
+};
+module_platform_driver(uniphier_hsc_adapter_driver);
+
+MODULE_AUTHOR("Katsuhiro Suzuki [off-list ref]");
+MODULE_DESCRIPTION("UniPhier LD11 adapter driver for ISDB.");
+MODULE_LICENSE("GPL v2");
--
2.17.0-- Best Regards Masahiro Yamada