diff mbox

saa7134 and =?UTF-8?B?w4PCjsOCwrxQRDYxMTUx?= MPEG2 coder

Message ID 20100216165336.62ea3a4d@glory.loctelecom.ru (mailing list archive)
State RFC
Headers show

Commit Message

Dmitri Belimov Feb. 16, 2010, 7:53 a.m. UTC
None
diff mbox

Patch

diff -r b6b82258cf5e linux/drivers/media/video/saa7134/Makefile
--- a/linux/drivers/media/video/saa7134/Makefile	Thu Dec 31 19:14:54 2009 -0200
+++ b/linux/drivers/media/video/saa7134/Makefile	Tue Feb 16 10:23:52 2010 +0900
@@ -1,9 +1,9 @@ 
 
 saa7134-objs :=	saa7134-cards.o saa7134-core.o saa7134-i2c.o	\
 		saa7134-ts.o saa7134-tvaudio.o saa7134-vbi.o    \
-		saa7134-video.o saa7134-input.o
+		saa7134-video.o saa7134-input.o saa7134-spi.o
 
-obj-$(CONFIG_VIDEO_SAA7134) +=  saa6752hs.o saa7134.o saa7134-empress.o
+obj-$(CONFIG_VIDEO_SAA7134) +=  saa6752hs.o saa7134.o saa7134-empress.o upd61151.o
 
 obj-$(CONFIG_VIDEO_SAA7134_ALSA) += saa7134-alsa.o
 
diff -r b6b82258cf5e linux/drivers/media/video/saa7134/saa7134-cards.c
--- a/linux/drivers/media/video/saa7134/saa7134-cards.c	Thu Dec 31 19:14:54 2009 -0200
+++ b/linux/drivers/media/video/saa7134/saa7134-cards.c	Tue Feb 16 10:23:52 2010 +0900
@@ -4619,6 +4619,7 @@ 
 			.name = name_radio,
 			.amux = LINE2,
 		},
+		.encoder_type = SAA7134_ENCODER_SAA6752HS,
 		.mpeg  = SAA7134_MPEG_EMPRESS,
 		.video_out = CCIR656,
 		.vid_port_opts  = (SET_T_CODE_POLARITY_NON_INVERTED |
@@ -4656,6 +4657,7 @@ 
 			.name = name_radio,
 			.amux = LINE2,
 		},
+		.encoder_type = SAA7134_ENCODER_SAA6752HS,
 		.mpeg  = SAA7134_MPEG_EMPRESS,
 		.video_out = CCIR656,
 		.vid_port_opts  = (SET_T_CODE_POLARITY_NON_INVERTED |
@@ -4695,6 +4697,7 @@ 
 			.name = name_radio,
 			.amux = LINE2,
 		},
+		.encoder_type = SAA7134_ENCODER_SAA6752HS,
 		.mpeg  = SAA7134_MPEG_EMPRESS,
 		.video_out = CCIR656,
 		.vid_port_opts  = (SET_T_CODE_POLARITY_NON_INVERTED |
@@ -5279,23 +5282,43 @@ 
 		.tuner_addr     = ADDR_UNSET,
 		.radio_addr     = ADDR_UNSET,
 		.mpeg           = SAA7134_MPEG_DVB,
+		.gpiomask       = 0x00860000,
 		.inputs         = { {
 			.name = name_tv,
 			.vmux = 2,
 			.amux = TV,
 			.tv   = 1,
-		}, {
-			.name = name_comp1,
-			.vmux = 0,
-			.amux = LINE1,
+			.gpio = 0x00860000
+		}, {
+			.name = name_comp1,
+			.vmux = 0,
+			.amux = LINE1,
+			.gpio = 0x00860000
 		}, {
 			.name = name_svideo,
 			.vmux = 9,
 			.amux = LINE1,
-		} },
-		.radio = {
-			.name = name_radio,
-			.amux = TV,
+			.gpio = 0x00860000
+		} },
+		.radio = {
+			.name = name_radio,
+			.amux = TV,
+			.gpio = 0x00860000
+		},
+		.encoder_type = SAA7134_ENCODER_muPD61151,
+		.mpeg  = SAA7134_MPEG_EMPRESS,
+		.video_out = CCIR656,
+		.vid_port_opts  = (SET_T_CODE_POLARITY_NON_INVERTED |
+					SET_CLOCK_NOT_DELAYED |
+					SET_CLOCK_INVERTED |
+					SET_VSYNC_OFF),
+		.spi = {
+			.cs    = 17,
+			.clock = 18,
+			.mosi  = 23,
+			.miso  = 21,
+			.num_chipselect = 1,
+			.spi_enable = 1,
 		},
 	},
 	[SAA7134_BOARD_ZOLID_HYBRID_PCI] = {
diff -r b6b82258cf5e linux/drivers/media/video/saa7134/saa7134-core.c
--- a/linux/drivers/media/video/saa7134/saa7134-core.c	Thu Dec 31 19:14:54 2009 -0200
+++ b/linux/drivers/media/video/saa7134/saa7134-core.c	Tue Feb 16 10:23:52 2010 +0900
@@ -139,6 +139,18 @@ 
 		break;
 	}
 }
+
+u32 saa7134_get_gpio(struct saa7134_dev *dev)
+{
+	unsigned long status;
+
+	/* rising SAA7134_GPIO_GPRESCAN reads the status */
+	saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
+	saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
+	status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
+	return status;
+}
+
 
 /* ------------------------------------------------------------------ */
 
@@ -1057,12 +1069,42 @@ 
 
 	saa7134_hwinit2(dev);
 
-	/* load i2c helpers */
+	/* initialize software SPI bus */
+	if (saa7134_boards[dev->board].spi.spi_enable)
+	{
+		dev->spi = saa7134_boards[dev->board].spi;
+
+		/* register SPI master and SPI slave */
+		if (saa7134_spi_register(dev, &saa7134_boards[dev->board].spi_conf))
+			saa7134_boards[dev->board].spi.spi_enable = 0;
+	}
+
+	/* load bus helpers */
 	if (card_is_empress(dev)) {
-		struct v4l2_subdev *sd =
-			v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
+		struct v4l2_subdev *sd = NULL;
+
+		dev->encoder_type = saa7134_boards[dev->board].encoder_type;
+
+		switch (dev->encoder_type) {
+		case SAA7134_ENCODER_muPD61151:
+		{
+			printk(KERN_INFO "%s: found muPD61151 MPEG encoder\n", dev->name);
+
+			if (saa7134_boards[dev->board].spi.spi_enable)
+				sd = v4l2_spi_new_subdev(&dev->v4l2_dev, dev->spi_adap, &saa7134_boards[dev->board].spi_conf);
+		}
+			break;
+		case SAA7134_ENCODER_SAA6752HS:
+		{
+			sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
 				"saa6752hs", "saa6752hs",
 				saa7134_boards[dev->board].empress_addr, NULL);
+		}
+			break;
+		default:
+			printk(KERN_INFO "%s: MPEG encoder is not configured\n", dev->name);
+		    break;
+		}
 
 		if (sd)
 			sd->grp_id = GRP_EMPRESS;
@@ -1139,6 +1181,8 @@ 
 	return 0;
 
  fail4:
+	if ((card_is_empress(dev)) && (dev->encoder_type == SAA7134_ENCODER_muPD61151))
+		saa7134_spi_unregister(dev);
 	saa7134_unregister_video(dev);
 	saa7134_i2c_unregister(dev);
 	free_irq(pci_dev->irq, dev);
@@ -1412,6 +1456,7 @@ 
 /* ----------------------------------------------------------- */
 
 EXPORT_SYMBOL(saa7134_set_gpio);
+EXPORT_SYMBOL(saa7134_get_gpio);
 EXPORT_SYMBOL(saa7134_boards);
 
 /* ----------------- for the DMA sound modules --------------- */
diff -r b6b82258cf5e linux/drivers/media/video/saa7134/saa7134.h
--- a/linux/drivers/media/video/saa7134/saa7134.h	Thu Dec 31 19:14:54 2009 -0200
+++ b/linux/drivers/media/video/saa7134/saa7134.h	Tue Feb 16 10:23:52 2010 +0900
@@ -30,6 +30,13 @@ 
 #include <linux/notifier.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
+
+/* ifdef software SPI insert here start */
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_gpio.h>
+#include <linux/spi/spi_bitbang.h>
+/* ifdef software SPI insert here stop */
 
 #include <asm/io.h>
 
@@ -337,6 +344,21 @@ 
 	SAA7134_MPEG_TS_SERIAL,
 };
 
+enum saa7134_encoder_type {
+	SAA7134_ENCODER_UNUSED,
+	SAA7134_ENCODER_SAA6752HS,
+	SAA7134_ENCODER_muPD61151,
+};
+
+struct saa7134_software_spi {
+	unsigned char cs:5;
+	unsigned char clock:5;
+	unsigned char mosi:5;
+	unsigned char miso:5;
+	unsigned char num_chipselect:3;
+	unsigned char spi_enable:1;
+};
+
 struct saa7134_board {
 	char                    *name;
 	unsigned int            audio_clock;
@@ -355,6 +377,10 @@ 
 	unsigned char		empress_addr;
 	unsigned char		rds_addr;
 
+	/* SPI info */
+	struct saa7134_software_spi	spi;
+	struct spi_board_info   spi_conf;
+
 	unsigned int            tda9887_conf;
 	unsigned int            tuner_config;
 
@@ -362,6 +388,7 @@ 
 	enum saa7134_video_out  video_out;
 	enum saa7134_mpeg_type  mpeg;
 	enum saa7134_mpeg_ts_type ts_type;
+	enum saa7134_encoder_type encoder_type;
 	unsigned int            vid_port_opts;
 	unsigned int            ts_force_val:1;
 };
@@ -506,6 +533,12 @@ 
 	void                       (*signal_change)(struct saa7134_dev *dev);
 };
 
+struct saa7134_spi_gpio {
+	struct spi_bitbang         bitbang;
+	struct spi_master          *master;
+	struct saa7134_dev         *controller_data;
+};
+
 /* global device status */
 struct saa7134_dev {
 	struct list_head           devlist;
@@ -553,6 +586,10 @@ 
 	struct i2c_client          i2c_client;
 	unsigned char              eedata[256];
 	int 			   has_rds;
+
+	/* software spi */
+	struct saa7134_software_spi spi;
+	struct spi_master          *spi_adap;
 
 	/* video overlay */
 	struct v4l2_framebuffer    ovbuf;
@@ -615,6 +652,7 @@ 
 	atomic_t 		   empress_users;
 	struct work_struct         empress_workqueue;
 	int                        empress_started;
+	enum saa7134_encoder_type  encoder_type;
 
 #if defined(CONFIG_VIDEO_SAA7134_DVB) || defined(CONFIG_VIDEO_SAA7134_DVB_MODULE)
 	/* SAA7134_MPEG_DVB only */
@@ -681,6 +719,7 @@ 
 
 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg);
 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value);
+u32 saa7134_get_gpio(struct saa7134_dev *dev);
 
 #define SAA7134_PGTABLE_SIZE 4096
 
@@ -726,6 +765,11 @@ 
 int saa7134_i2c_register(struct saa7134_dev *dev);
 int saa7134_i2c_unregister(struct saa7134_dev *dev);
 
+/* ----------------------------------------------------------- */
+/* saa7134-spi.c                                               */
+
+int saa7134_spi_register(struct saa7134_dev *dev, struct spi_board_info *info);
+void saa7134_spi_unregister(struct saa7134_dev *dev);
 
 /* ----------------------------------------------------------- */
 /* saa7134-video.c                                             */
diff -r b6b82258cf5e linux/drivers/media/video/v4l2-common.c
--- a/linux/drivers/media/video/v4l2-common.c	Thu Dec 31 19:14:54 2009 -0200
+++ b/linux/drivers/media/video/v4l2-common.c	Tue Feb 16 10:23:52 2010 +0900
@@ -51,6 +51,7 @@ 
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/i2c.h>
+#include <linux/spi/spi.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <asm/pgtable.h>
@@ -1069,6 +1070,66 @@ 
 
 #endif /* defined(CONFIG_I2C) */
 
+//#if defined(CONFIG_SPI) || (defined(CONFIG_SPI_MODULE) && defined(MODULE)) + SPI_BITBANG
+
+/* Load an spi sub-device. */
+
+void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi,
+		const struct v4l2_subdev_ops *ops)
+{
+	v4l2_subdev_init(sd, ops);
+	sd->flags |= V4L2_SUBDEV_FL_IS_SPI;
+	/* the owner is the same as the spi_device's driver owner */
+	sd->owner = spi->dev.driver->owner;
+	/* spi_device and v4l2_subdev point to one another */
+	v4l2_set_subdevdata(sd, spi);
+	spi_set_drvdata(spi, sd);
+	/* initialize name */
+	strlcpy(sd->name, spi->dev.driver->name, sizeof(sd->name));
+}
+EXPORT_SYMBOL_GPL(v4l2_spi_subdev_init);
+
+struct v4l2_subdev *v4l2_spi_new_subdev(struct v4l2_device *v4l2_dev,
+		struct spi_master *master, struct spi_board_info *info)
+{
+	struct v4l2_subdev *sd = NULL;
+	struct spi_device *spi = NULL;
+
+	BUG_ON(!v4l2_dev);
+
+	if (info->modalias)
+		request_module(info->modalias);
+
+	spi = spi_new_device(master,info);
+
+	if (spi == NULL || spi->dev.driver ==NULL)
+		goto error;
+
+	if (!try_module_get(spi->dev.driver->owner))
+		goto error;
+
+	sd = spi_get_drvdata(spi);
+
+	/* Register with the v4l2_device which increases the module's
+	   use count as well. */
+	if (v4l2_device_register_subdev(v4l2_dev, sd))
+		sd = NULL;
+
+	/* Decrease the module use count to match the first try_module_get. */
+	module_put(spi->dev.driver->owner);
+
+error:
+	/* If we have a client but no subdev, then something went wrong and
+	   we must unregister the client. */
+	if (spi && sd == NULL)
+		spi_unregister_device(spi);
+
+	return sd;
+}
+EXPORT_SYMBOL_GPL(v4l2_spi_new_subdev);
+
+//#endif /* defined(CONFIG_SPI) */
+
 /* Clamp x to be between min and max, aligned to a multiple of 2^align.  min
  * and max don't have to be aligned, but there must be at least one valid
  * value.  E.g., min=17,max=31,align=4 is not allowed as there are no multiples
diff -r b6b82258cf5e linux/drivers/media/video/v4l2-device.c
--- a/linux/drivers/media/video/v4l2-device.c	Thu Dec 31 19:14:54 2009 -0200
+++ b/linux/drivers/media/video/v4l2-device.c	Tue Feb 16 10:23:52 2010 +0900
@@ -100,6 +100,14 @@ 
 		}
 #endif
 #endif
+/* FIXME: ADD if def's for SPI subdevices */
+		if (sd->flags & V4L2_SUBDEV_FL_IS_SPI) {
+			struct spi_device *spi = v4l2_get_subdevdata(sd);
+
+			if (spi)
+				spi_unregister_device(spi);
+		}
+
 	}
 }
 EXPORT_SYMBOL_GPL(v4l2_device_unregister);
diff -r b6b82258cf5e linux/include/media/v4l2-chip-ident.h
--- a/linux/include/media/v4l2-chip-ident.h	Thu Dec 31 19:14:54 2009 -0200
+++ b/linux/include/media/v4l2-chip-ident.h	Tue Feb 16 10:23:52 2010 +0900
@@ -278,6 +278,11 @@ 
 	/* module cs53132a: just ident 53132 */
 	V4L2_IDENT_CS53l32A = 53132,
 
+	/* modules upd61151 MPEG2 encoder: just ident 54000 */
+	V4L2_IDENT_UPD61161 = 54000,
+	/* modules upd61152 MPEG2 encoder with AC3: just ident 54001 */
+	V4L2_IDENT_UPD61162 = 54001,
+
 	/* module upd64031a: just ident 64031 */
 	V4L2_IDENT_UPD64031A = 64031,
 
diff -r b6b82258cf5e linux/include/media/v4l2-common.h
--- a/linux/include/media/v4l2-common.h	Thu Dec 31 19:14:54 2009 -0200
+++ b/linux/include/media/v4l2-common.h	Tue Feb 16 10:23:52 2010 +0900
@@ -191,6 +191,25 @@ 
 
 /* ------------------------------------------------------------------------- */
 
+/* SPI Helper functions */
+
+#include <linux/spi/spi.h>
+
+struct spi_device_id;
+struct spi_device;
+
+/* Load an spi module and return an initialized v4l2_subdev struct.
+   Only call request_module if module_name != NULL.
+   The client_type argument is the name of the chip that's on the adapter. */
+struct v4l2_subdev *v4l2_spi_new_subdev(struct v4l2_device *v4l2_dev,
+		struct spi_master *master, struct spi_board_info *info);
+
+/* Initialize an v4l2_subdev with data from an spi_device struct */
+void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi,
+		const struct v4l2_subdev_ops *ops);
+
+/* ------------------------------------------------------------------------- */
+
 /* Note: these remaining ioctls/structs should be removed as well, but they are
    still used in tuner-simple.c (TUNER_SET_CONFIG), cx18/ivtv (RESET) and
    v4l2-int-device.h (v4l2_routing). To remove these ioctls some more cleanup
diff -r b6b82258cf5e linux/include/media/v4l2-subdev.h
--- a/linux/include/media/v4l2-subdev.h	Thu Dec 31 19:14:54 2009 -0200
+++ b/linux/include/media/v4l2-subdev.h	Tue Feb 16 10:23:52 2010 +0900
@@ -387,6 +387,8 @@ 
 
 /* Set this flag if this subdev is a i2c device. */
 #define V4L2_SUBDEV_FL_IS_I2C (1U << 0)
+/* Set this flag if this subdev is a spi device. */
+#define V4L2_SUBDEV_FL_IS_SPI (1U << 1)
 
 /* Each instance of a subdev driver should create this struct, either
    stand-alone or embedded in a larger struct.