V4L/DVB (8089): cx18: add support for Conexant Raptor PAL/SECAM card

Patch provided courtesy of Conexant http://www.conexant.com.
Signed-off-by: Srinivasa Deevi <srinivasa.deevi@conexant.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/cx18/cx18-cards.c

@@ -27,6 +27,8 @@
 #include "cx18-i2c.h"
 #include <media/cs5345.h>
 
+#define V4L2_STD_NOT_MN (V4L2_STD_PAL|V4L2_STD_SECAM)
+
 /********************** card configuration *******************************/
 
 /* usual i2c tuner addresses to probe */
@@ -232,11 +234,64 @@ static const struct cx18_card cx18_card_mpc718 = {
 	.i2c = &cx18_i2c_std,
 };
 
+/* ------------------------------------------------------------------------- */
+
+/* Conexant Raptor PAL/SECAM: note that this card is analog only! */
+
+static const struct cx18_card_pci_info cx18_pci_cnxt_raptor_pal[] = {
+	{ PCI_DEVICE_ID_CX23418, CX18_PCI_ID_CONEXANT, 0x0009 },
+	{ 0, 0, 0 }
+};
+
+static const struct cx18_card cx18_card_cnxt_raptor_pal = {
+	.type = CX18_CARD_CNXT_RAPTOR_PAL,
+	.name = "Conexant Raptor PAL/SECAM",
+	.comment = "VBI is not yet supported\n",
+	.v4l2_capabilities = CX18_CAP_ENCODER,
+	.hw_audio_ctrl = CX18_HW_CX23418,
+	.hw_muxer = CX18_HW_GPIO,
+	.hw_all = CX18_HW_TUNER | CX18_HW_GPIO,
+	.video_inputs = {
+		{ CX18_CARD_INPUT_VID_TUNER,  0, CX18_AV_COMPOSITE2 },
+		{ CX18_CARD_INPUT_SVIDEO1,    1,
+			CX18_AV_SVIDEO_LUMA3 | CX18_AV_SVIDEO_CHROMA4 },
+		{ CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE1 },
+		{ CX18_CARD_INPUT_SVIDEO2,    2,
+			CX18_AV_SVIDEO_LUMA7 | CX18_AV_SVIDEO_CHROMA8 },
+		{ CX18_CARD_INPUT_COMPOSITE2, 2, CX18_AV_COMPOSITE6 },
+	},
+	.audio_inputs = {
+		{ CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO_SERIAL, 1 },
+		{ CX18_CARD_INPUT_LINE_IN1,  CX18_AV_AUDIO_SERIAL, 0 },
+		{ CX18_CARD_INPUT_LINE_IN2,  CX18_AV_AUDIO_SERIAL, 0 },
+	},
+	.tuners = {
+		{ .std = V4L2_STD_NOT_MN, .tuner = TUNER_PHILIPS_FM1216ME_MK3 },
+	},
+	.ddr = {
+		/* MT 46V16M16 memory */
+		.chip_config = 0x50306,
+		.refresh = 0x753,
+		.timing1 = 0x33220953,
+		.timing2 = 0x09,
+		.tune_lane = 0,
+		.initial_emrs = 0,
+	},
+	.gpio_init.initial_value = 0x02,
+	.gpio_init.direction = 0x02,
+	.gpio_audio_input  = { .mask = 0x02, .tuner  = 0x02, .linein = 0x00 },
+	.pci_list = cx18_pci_cnxt_raptor_pal,
+	.i2c = &cx18_i2c_std,
+};
+
+/* ------------------------------------------------------------------------- */
+
 static const struct cx18_card *cx18_card_list[] = {
 	&cx18_card_hvr1600_esmt,
 	&cx18_card_hvr1600_samsung,
 	&cx18_card_h900,
 	&cx18_card_mpc718,
+	&cx18_card_cnxt_raptor_pal,
 };
 
 const struct cx18_card *cx18_get_card(u16 index)

drivers/media/video/cx18/cx18-cards.h

@@ -85,6 +85,13 @@ struct cx18_gpio_i2c_slave_reset {
 	int msecs_recovery; /* time after deassert for chips to be ready */
 };
 
+struct ivtv_gpio_audio_input { 	/* select tuner/line in input */
+	u32 mask; 		/* leave to 0 if not supported */
+	u32 tuner;
+	u32 linein;
+	u32 radio;
+};
+
 struct cx18_card_tuner {
 	v4l2_std_id std; 	/* standard for which the tuner is suitable */
 	int 	    tuner; 	/* tuner ID (from tuner.h) */
@@ -123,6 +130,7 @@ struct cx18_card {
 	u8 xceive_pin; 		/* XCeive tuner GPIO reset pin */
 	struct cx18_gpio_init 		 gpio_init;
 	struct cx18_gpio_i2c_slave_reset gpio_i2c_slave_reset;
+	struct ivtv_gpio_audio_input    gpio_audio_input;
 
 	struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS];
 	struct cx18_card_tuner_i2c *i2c;

drivers/media/video/cx18/cx18-driver.c

@@ -120,6 +120,7 @@ MODULE_PARM_DESC(cardtype,
 		 "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n"
 		 "\t\t\t 3 = Compro VideoMate H900\n"
 		 "\t\t\t 4 = Yuan MPC718\n"
+		 "\t\t\t 5 = Conexant Raptor PAL/SECAM\n"
 		 "\t\t\t 0 = Autodetect (default)\n"
 		 "\t\t\t-1 = Ignore this card\n\t\t");
 MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60");
@@ -435,7 +436,7 @@ static int __devinit cx18_init_struct1(struct cx18 *cx)
 		(cx->params.video_temporal_filter_mode << 1) |
 		(cx->params.video_median_filter_type << 2);
 	cx->params.port = CX2341X_PORT_MEMORY;
-	cx->params.capabilities = CX2341X_CAP_HAS_SLICED_VBI;
+	cx->params.capabilities = 0;
 	init_waitqueue_head(&cx->cap_w);
 	init_waitqueue_head(&cx->mb_apu_waitq);
 	init_waitqueue_head(&cx->mb_cpu_waitq);

drivers/media/video/cx18/cx18-driver.h

@@ -75,7 +75,8 @@
 #define CX18_CARD_HVR_1600_SAMSUNG    1	/* Hauppauge HVR 1600 (Samsung memory) */
 #define CX18_CARD_COMPRO_H900 	      2	/* Compro VideoMate H900 */
 #define CX18_CARD_YUAN_MPC718 	      3	/* Yuan MPC718 */
-#define CX18_CARD_LAST 		      3
+#define CX18_CARD_CNXT_RAPTOR_PAL     4	/* Conexant Raptor PAL */
+#define CX18_CARD_LAST 		      4
 
 #define CX18_ENC_STREAM_TYPE_MPG  0
 #define CX18_ENC_STREAM_TYPE_TS   1
@@ -94,6 +95,7 @@
 #define CX18_PCI_ID_HAUPPAUGE 		0x0070
 #define CX18_PCI_ID_COMPRO 		0x185b
 #define CX18_PCI_ID_YUAN 		0x12ab
+#define CX18_PCI_ID_CONEXANT		0x14f1
 
 /* ======================================================================== */
 /* ========================== START USER SETTABLE DMA VARIABLES =========== */

drivers/media/video/cx18/cx18-gpio.c

@@ -122,3 +122,37 @@ int cx18_reset_tuner_gpio(void *dev, int cmd, int value)
 	schedule_timeout_interruptible(msecs_to_jiffies(1));
 	return 0;
 }
+
+int cx18_gpio(struct cx18 *cx, unsigned int command, void *arg)
+{
+	struct v4l2_routing *route = arg;
+	u32 mask, data;
+
+	switch (command) {
+	case VIDIOC_INT_S_AUDIO_ROUTING:
+		if (route->input > 2)
+			return -EINVAL;
+		mask = cx->card->gpio_audio_input.mask;
+		switch (route->input) {
+		case 0:
+			data = cx->card->gpio_audio_input.tuner;
+			break;
+		case 1:
+			data = cx->card->gpio_audio_input.linein;
+			break;
+		case 2:
+		default:
+			data = cx->card->gpio_audio_input.radio;
+			break;
+		}
+		break;
+
+	default:
+		return -EINVAL;
+	}
+	if (mask) {
+		cx->gpio_val = (cx->gpio_val & ~mask) | (data & mask);
+		gpio_write(cx);
+	}
+	return 0;
+}

drivers/media/video/cx18/cx18-gpio.h

@@ -23,3 +23,4 @@
 void cx18_gpio_init(struct cx18 *cx);
 void cx18_reset_i2c_slaves_gpio(struct cx18 *cx);
 int cx18_reset_tuner_gpio(void *dev, int cmd, int value);
+int cx18_gpio(struct cx18 *cx, unsigned int command, void *arg);

drivers/media/video/cx18/cx18-i2c.c

@@ -311,8 +311,12 @@ int cx18_i2c_hw(struct cx18 *cx, u32 hw, unsigned int cmd, void *arg)
 {
 	int addr;
 
-	if (hw == CX18_HW_GPIO || hw == 0)
+	if (hw == 0)
 		return 0;
+
+	if (hw == CX18_HW_GPIO)
+		return cx18_gpio(cx, cmd, arg);
+
 	if (hw == CX18_HW_CX23418)
 		return cx18_av_cmd(cx, cmd, arg);
 
@@ -350,6 +354,8 @@ void cx18_call_i2c_clients(struct cx18 *cx, unsigned int cmd, void *arg)
 	cx18_av_cmd(cx, cmd, arg);
 	i2c_clients_command(&cx->i2c_adap[0], cmd, arg);
 	i2c_clients_command(&cx->i2c_adap[1], cmd, arg);
+	if (cx->hw_flags & CX18_HW_GPIO)
+		cx18_gpio(cx, cmd, arg);
 }
 
 /* init + register i2c algo-bit adapter */
@@ -358,6 +364,18 @@ int init_cx18_i2c(struct cx18 *cx)
 	int i;
 	CX18_DEBUG_I2C("i2c init\n");
 
+	/* Sanity checks for the I2C hardware arrays. They must be the
+	 * same size and GPIO/CX23418 must be the last entries.
+	 */
+	if (ARRAY_SIZE(hw_driverids) != ARRAY_SIZE(hw_addrs) ||
+	    ARRAY_SIZE(hw_devicenames) != ARRAY_SIZE(hw_addrs) ||
+	    CX18_HW_GPIO != (1 << (ARRAY_SIZE(hw_addrs) - 2)) ||
+	    CX18_HW_CX23418 != (1 << (ARRAY_SIZE(hw_addrs) - 1)) ||
+	    hw_driverids[ARRAY_SIZE(hw_addrs) - 1]) {
+		CX18_ERR("Mismatched I2C hardware arrays\n");
+		return -ENODEV;
+	}
+
 	for (i = 0; i < 2; i++) {
 		memcpy(&cx->i2c_adap[i], &cx18_i2c_adap_template,
 			sizeof(struct i2c_adapter));