Merge branch 'tracing/core' into tracing/hw-breakpoints

Conflicts:
	arch/Kconfig
	kernel/trace/trace.h

Merge reason: resolve the conflicts, plus adopt to the new
              ring-buffer APIs.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

3 files changed, 186 insertions, 13 deletions

diff --git a/drivers/media/video/cx18/cx18-cards.c b/drivers/media/video/cx18/cx18-cards.c
index c92a25036f0..36f2d76006f 100644
--- a/drivers/media/video/cx18/cx18-cards.c
+++ b/drivers/media/video/cx18/cx18-cards.c
@@ -198,11 +198,14 @@ static const struct cx18_card_pci_info cx18_pci_mpc718[] = {
 
 static const struct cx18_card cx18_card_mpc718 = {
 	.type = CX18_CARD_YUAN_MPC718,
-	.name = "Yuan MPC718",
-	.comment = "Analog video capture works; some audio line in may not.\n",
+	.name = "Yuan MPC718 MiniPCI DVB-T/Analog",
+	.comment = "Experimenters needed for device to work well.\n"
+		  "\tTo help, mail the ivtv-devel list (www.ivtvdriver.org).\n",
 	.v4l2_capabilities = CX18_CAP_ENCODER,
 	.hw_audio_ctrl = CX18_HW_418_AV,
-	.hw_all = CX18_HW_418_AV | CX18_HW_TUNER | CX18_HW_GPIO_RESET_CTRL,
+	.hw_muxer = CX18_HW_GPIO_MUX,
+	.hw_all = CX18_HW_418_AV | CX18_HW_TUNER |
+		  CX18_HW_GPIO_MUX | CX18_HW_DVB | CX18_HW_GPIO_RESET_CTRL,
 	.video_inputs = {
 		{ CX18_CARD_INPUT_VID_TUNER,  0, CX18_AV_COMPOSITE2 },
 		{ CX18_CARD_INPUT_SVIDEO1,    1,
@@ -211,27 +214,34 @@ static const struct cx18_card cx18_card_mpc718 = {
 		{ CX18_CARD_INPUT_SVIDEO2,    2,
 				CX18_AV_SVIDEO_LUMA7 | CX18_AV_SVIDEO_CHROMA8 },
 		{ CX18_CARD_INPUT_COMPOSITE2, 2, CX18_AV_COMPOSITE6 },
-		{ CX18_CARD_INPUT_COMPOSITE3, 2, CX18_AV_COMPOSITE3 },
 	},
 	.audio_inputs = {
 		{ CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5,        0 },
-		{ CX18_CARD_INPUT_LINE_IN1,  CX18_AV_AUDIO_SERIAL1, 0 },
-		{ CX18_CARD_INPUT_LINE_IN2,  CX18_AV_AUDIO_SERIAL1, 0 },
+		{ CX18_CARD_INPUT_LINE_IN1,  CX18_AV_AUDIO_SERIAL1, 1 },
+		{ CX18_CARD_INPUT_LINE_IN2,  CX18_AV_AUDIO_SERIAL2, 1 },
 	},
-	.radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO_SERIAL1, 0 },
 	.tuners = {
 		/* XC3028 tuner */
 		{ .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 },
 	},
+	/* FIXME - the FM radio is just a guess and driver doesn't use SIF */
+	.radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 2 },
 	.ddr = {
-		/* Probably Samsung K4D263238G-VC33 memory */
-		.chip_config = 0x003,
-		.refresh = 0x30c,
-		.timing1 = 0x23230b73,
-		.timing2 = 0x08,
+		/* Hynix HY5DU283222B DDR RAM */
+		.chip_config = 0x303,
+		.refresh = 0x3bd,
+		.timing1 = 0x36320966,
+		.timing2 = 0x1f,
 		.tune_lane = 0,
 		.initial_emrs = 2,
 	},
+	.gpio_init.initial_value = 0x1,
+	.gpio_init.direction = 0x3,
+	/* FIXME - these GPIO's are just guesses */
+	.gpio_audio_input = { .mask   = 0x3,
+			      .tuner  = 0x1,
+			      .linein = 0x3,
+			      .radio  = 0x1 },
 	.xceive_pin = 0,
 	.pci_list = cx18_pci_mpc718,
 	.i2c = &cx18_i2c_std,
diff --git a/drivers/media/video/cx18/cx18-controls.c b/drivers/media/video/cx18/cx18-controls.c
index 8e35c3aed54..93f0dae0135 100644
--- a/drivers/media/video/cx18/cx18-controls.c
+++ b/drivers/media/video/cx18/cx18-controls.c
@@ -20,6 +20,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  *  02111-1307  USA
  */
+#include <linux/kernel.h>
 
 #include "cx18-driver.h"
 #include "cx18-cards.h"
@@ -61,6 +62,8 @@ int cx18_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qctrl)
 
 	switch (qctrl->id) {
 	/* Standard V4L2 controls */
+	case V4L2_CID_USER_CLASS:
+		return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0);
 	case V4L2_CID_BRIGHTNESS:
 	case V4L2_CID_HUE:
 	case V4L2_CID_SATURATION:
@@ -315,7 +318,7 @@ int cx18_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
 		idx = p.audio_properties & 0x03;
 		/* The audio clock of the digitizer must match the codec sample
 		   rate otherwise you get some very strange effects. */
-		if (idx < sizeof(freqs))
+		if (idx < ARRAY_SIZE(freqs))
 			cx18_call_all(cx, audio, s_clock_freq, freqs[idx]);
 		return err;
 	}
diff --git a/drivers/media/video/cx18/cx18-dvb.c b/drivers/media/video/cx18/cx18-dvb.c
index 6ea3fe623ef..51a0c33b25b 100644
--- a/drivers/media/video/cx18/cx18-dvb.c
+++ b/drivers/media/video/cx18/cx18-dvb.c
@@ -30,6 +30,10 @@
 #include "s5h1409.h"
 #include "mxl5005s.h"
 #include "zl10353.h"
+
+#include <linux/firmware.h>
+#include "mt352.h"
+#include "mt352_priv.h"
 #include "tuner-xc2028.h"
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
@@ -38,6 +42,11 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 #define CX18_CLOCK_ENABLE2		 0xc71024
 #define CX18_DMUX_CLK_MASK		 0x0080
 
+/*
+ * CX18_CARD_HVR_1600_ESMT
+ * CX18_CARD_HVR_1600_SAMSUNG
+ */
+
 static struct mxl5005s_config hauppauge_hvr1600_tuner = {
 	.i2c_address     = 0xC6 >> 1,
 	.if_freq         = IF_FREQ_5380000HZ,
@@ -65,6 +74,9 @@ static struct s5h1409_config hauppauge_hvr1600_config = {
 	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
 };
 
+/*
+ * CX18_CARD_LEADTEK_DVR3100H
+ */
 /* Information/confirmation of proper config values provided by Terry Wu */
 static struct zl10353_config leadtek_dvr3100h_demod = {
 	.demod_address         = 0x1e >> 1, /* Datasheet suggested straps */
@@ -74,6 +86,121 @@ static struct zl10353_config leadtek_dvr3100h_demod = {
 	.disable_i2c_gate_ctrl = 1,         /* Disable the I2C gate */
 };
 
+/*
+ * CX18_CARD_YUAN_MPC718
+ */
+/*
+ * Due to
+ *
+ * 1. an absence of information on how to prgram the MT352
+ * 2. the Linux mt352 module pushing MT352 initialzation off onto us here
+ *
+ * We have to use an init sequence that *you* must extract from the Windows
+ * driver (yuanrap.sys) and which we load as a firmware.
+ *
+ * If someone can provide me with a Zarlink MT352 (Intel CE6352?) Design Manual
+ * with chip programming details, then I can remove this annoyance.
+ */
+static int yuan_mpc718_mt352_reqfw(struct cx18_stream *stream,
+				   const struct firmware **fw)
+{
+	struct cx18 *cx = stream->cx;
+	const char *fn = "dvb-cx18-mpc718-mt352.fw";
+	int ret;
+
+	ret = request_firmware(fw, fn, &cx->pci_dev->dev);
+	if (ret)
+		CX18_ERR("Unable to open firmware file %s\n", fn);
+	else {
+		size_t sz = (*fw)->size;
+		if (sz < 2 || sz > 64 || (sz % 2) != 0) {
+			CX18_ERR("Firmware %s has a bad size: %lu bytes\n",
+				 fn, (unsigned long) sz);
+			ret = -EILSEQ;
+			release_firmware(*fw);
+			*fw = NULL;
+		}
+	}
+
+	if (ret) {
+		CX18_ERR("The MPC718 board variant with the MT352 DVB-T"
+			  "demodualtor will not work without it\n");
+		CX18_ERR("Run 'linux/Documentation/dvb/get_dvb_firmware "
+			  "mpc718' if you need the firmware\n");
+	}
+	return ret;
+}
+
+static int yuan_mpc718_mt352_init(struct dvb_frontend *fe)
+{
+	struct cx18_dvb *dvb = container_of(fe->dvb,
+					    struct cx18_dvb, dvb_adapter);
+	struct cx18_stream *stream = container_of(dvb, struct cx18_stream, dvb);
+	const struct firmware *fw = NULL;
+	int ret;
+	int i;
+	u8 buf[3];
+
+	ret = yuan_mpc718_mt352_reqfw(stream, &fw);
+	if (ret)
+		return ret;
+
+	/* Loop through all the register-value pairs in the firmware file */
+	for (i = 0; i < fw->size; i += 2) {
+		buf[0] = fw->data[i];
+		/* Intercept a few registers we want to set ourselves */
+		switch (buf[0]) {
+		case TRL_NOMINAL_RATE_0:
+			/* Set our custom OFDM bandwidth in the case below */
+			break;
+		case TRL_NOMINAL_RATE_1:
+			/* 6 MHz: 64/7 * 6/8 / 20.48 * 2^16 = 0x55b6.db6 */
+			/* 7 MHz: 64/7 * 7/8 / 20.48 * 2^16 = 0x6400 */
+			/* 8 MHz: 64/7 * 8/8 / 20.48 * 2^16 = 0x7249.249 */
+			buf[1] = 0x72;
+			buf[2] = 0x49;
+			mt352_write(fe, buf, 3);
+			break;
+		case INPUT_FREQ_0:
+			/* Set our custom IF in the case below */
+			break;
+		case INPUT_FREQ_1:
+			/* 4.56 MHz IF: (20.48 - 4.56)/20.48 * 2^14 = 0x31c0 */
+			buf[1] = 0x31;
+			buf[2] = 0xc0;
+			mt352_write(fe, buf, 3);
+			break;
+		default:
+			/* Pass through the register-value pair from the fw */
+			buf[1] = fw->data[i+1];
+			mt352_write(fe, buf, 2);
+			break;
+		}
+	}
+
+	buf[0] = (u8) TUNER_GO;
+	buf[1] = 0x01; /* Go */
+	mt352_write(fe, buf, 2);
+	release_firmware(fw);
+	return 0;
+}
+
+static struct mt352_config yuan_mpc718_mt352_demod = {
+	.demod_address = 0x1e >> 1,
+	.adc_clock     = 20480,     /* 20.480 MHz */
+	.if2           =  4560,     /*  4.560 MHz */
+	.no_tuner      = 1,         /* XC3028 is not behind the gate */
+	.demod_init    = yuan_mpc718_mt352_init,
+};
+
+static struct zl10353_config yuan_mpc718_zl10353_demod = {
+	.demod_address         = 0x1e >> 1, /* Datasheet suggested straps */
+	.if2                   = 45600,     /* 4.560 MHz IF from the XC3028 */
+	.parallel_ts           = 1,         /* Not a serial TS */
+	.no_tuner              = 1,         /* XC3028 is not behind the gate */
+	.disable_i2c_gate_ctrl = 1,         /* Disable the I2C gate */
+};
+
 static int dvb_register(struct cx18_stream *stream);
 
 /* Kernel DVB framework calls this when the feed needs to start.
@@ -113,6 +240,7 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed)
 		break;
 
 	case CX18_CARD_LEADTEK_DVR3100H:
+	case CX18_CARD_YUAN_MPC718:
 	default:
 		/* Assumption - Parallel transport - Signalling
 		 * undefined or default.
@@ -326,6 +454,38 @@ static int dvb_register(struct cx18_stream *stream)
 				fe->ops.tuner_ops.set_config(fe, &ctrl);
 		}
 		break;
+	case CX18_CARD_YUAN_MPC718:
+		/*
+		 * TODO
+		 * Apparently, these cards also could instead have a
+		 * DiBcom demod supported by one of the db7000 drivers
+		 */
+		dvb->fe = dvb_attach(mt352_attach,
+				     &yuan_mpc718_mt352_demod,
+				     &cx->i2c_adap[1]);
+		if (dvb->fe == NULL)
+			dvb->fe = dvb_attach(zl10353_attach,
+					     &yuan_mpc718_zl10353_demod,
+					     &cx->i2c_adap[1]);
+		if (dvb->fe != NULL) {
+			struct dvb_frontend *fe;
+			struct xc2028_config cfg = {
+				.i2c_adap = &cx->i2c_adap[1],
+				.i2c_addr = 0xc2 >> 1,
+				.ctrl = NULL,
+			};
+			static struct xc2028_ctrl ctrl = {
+				.fname   = XC2028_DEFAULT_FIRMWARE,
+				.max_len = 64,
+				.demod   = XC3028_FE_ZARLINK456,
+				.type    = XC2028_AUTO,
+			};
+
+			fe = dvb_attach(xc2028_attach, dvb->fe, &cfg);
+			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
+				fe->ops.tuner_ops.set_config(fe, &ctrl);
+		}
+		break;
 	default:
 		/* No Digital Tv Support */
 		break;