V4L/DVB (5355): Add VIDIOC_G_CHIP_IDENT to various i2c modules

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/cs53l32a.c

@@ -28,6 +28,7 @@
 #include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 
 MODULE_DESCRIPTION("i2c device driver for cs53l32a Audio ADC");
 MODULE_AUTHOR("Martin Vaughan");
@@ -103,6 +104,9 @@ static int cs53l32a_command(struct i2c_client *client, unsigned int cmd,
 		cs53l32a_write(client, 0x05, (u8) ctrl->value);
 		break;
 
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_CS53l32A, 0);
+
 	case VIDIOC_LOG_STATUS:
 		{
 			u8 v = cs53l32a_read(client, 0x01);

drivers/media/video/msp3400-driver.c

@@ -773,6 +773,9 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
 		break;
 	}
 
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, state->ident, (state->rev1 << 16) | state->rev2);
+
 	default:
 		/* unknown */
 		return -EINVAL;
@@ -872,6 +875,8 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
 	snprintf(client->name, sizeof(client->name), "MSP%d4%02d%c-%c%d",
 			msp_family, msp_product,
 			msp_revision, msp_hard, msp_rom);
+	/* Rev B=2, C=3, D=4, G=7 */
+	state->ident = msp_family * 10000 + 4000 + msp_product * 10 + msp_revision - '@';
 
 	/* Has NICAM support: all mspx41x and mspx45x products have NICAM */
 	state->has_nicam = msp_prod_hi == 1 || msp_prod_hi == 5;

drivers/media/video/msp3400-driver.h

@@ -50,6 +50,7 @@ extern int msp_stereo_thresh;
 
 struct msp_state {
 	int rev1, rev2;
+	int ident;
 	u8 has_nicam;
 	u8 has_radio;
 	u8 has_headphones;

drivers/media/video/tvaudio.c

@@ -33,6 +33,7 @@
 
 #include <media/tvaudio.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 
 #include <media/i2c-addr.h>
 
@@ -1775,6 +1776,9 @@ static int chip_command(struct i2c_client *client,
 			/* the thread will call checkmode() later */
 		}
 		break;
+
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_TVAUDIO, 0);
 	}
 	return 0;
 }

drivers/media/video/upd64031a.c

@@ -27,6 +27,7 @@
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 #include <media/upd64031a.h>
 
 // --------------------- read registers functions define -----------------------
@@ -179,6 +180,9 @@ static int upd64031a_command(struct i2c_client *client, unsigned int cmd, void *
 	}
 #endif
 
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_UPD64031A, 0);
+
 	default:
 		break;
 	}

drivers/media/video/upd64083.c

@@ -26,6 +26,7 @@
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 #include <media/upd64083.h>
 
 MODULE_DESCRIPTION("uPD64083 driver");
@@ -155,6 +156,10 @@ static int upd64083_command(struct i2c_client *client, unsigned int cmd, void *a
 		break;
 	}
 #endif
+
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_UPD64083, 0);
+
 	default:
 		break;
 	}

drivers/media/video/wm8739.c

@@ -29,6 +29,7 @@
 #include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 
 MODULE_DESCRIPTION("wm8739 driver");
 MODULE_AUTHOR("T. Adachi, Hans Verkuil");
@@ -236,6 +237,9 @@ static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg
 		return -EINVAL;
 	}
 
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_WM8739, 0);
+
 	case VIDIOC_LOG_STATUS:
 		v4l_info(client, "Frequency: %u Hz\n", state->clock_freq);
 		v4l_info(client, "Volume L:  %02x%s\n", state->vol_l & 0x1f,

drivers/media/video/wm8775.c

@@ -33,6 +33,7 @@
 #include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 
 MODULE_DESCRIPTION("wm8775 driver");
 MODULE_AUTHOR("Ulf Eklund, Hans Verkuil");
@@ -124,6 +125,9 @@ static int wm8775_command(struct i2c_client *client, unsigned int cmd,
 			wm8775_write(client, R21, 0x100 + state->input);
 		break;
 
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_WM8775, 0);
+
 	case VIDIOC_LOG_STATUS:
 		v4l_info(client, "Input: %d%s\n", state->input,
 			    state->muted ? " (muted)" : "");

include/media/v4l2-chip-ident.h

@@ -31,10 +31,13 @@ enum {
 	V4L2_IDENT_AMBIGUOUS = 1,       /* Match too general, multiple chips matched */
 	V4L2_IDENT_UNKNOWN   = 2,       /* Chip found, but cannot identify */
 
-	/* module saa7110: just ident= 100 */
+	/* module tvaudio: reserved range 50-99 */
+	V4L2_IDENT_TVAUDIO = 50,	/* A tvaudio chip, unknown which it is exactly */
+
+	/* module saa7110: just ident 100 */
 	V4L2_IDENT_SAA7110 = 100,
 
-	/* module saa7111: just ident= 101 */
+	/* module saa7111: just ident 101 */
 	V4L2_IDENT_SAA7111 = 101,
 
 	/* module saa7115: reserved range 102-149 */
@@ -55,12 +58,92 @@ enum {
 	V4L2_IDENT_CX25842 = 242,
 	V4L2_IDENT_CX25843 = 243,
 
-	/* OmniVision sensors - range 250-299 */
+	/* OmniVision sensors: reserved range 250-299 */
 	V4L2_IDENT_OV7670 = 250,
 
-	/* Conexant MPEG encoder/decoders: range 410-420 */
+	/* Conexant MPEG encoder/decoders: reserved range 410-420 */
 	V4L2_IDENT_CX23415 = 415,
 	V4L2_IDENT_CX23416 = 416,
+
+	/* module wm8739: just ident 8739 */
+	V4L2_IDENT_WM8739 = 8739,
+
+	/* module wm8775: just ident 8775 */
+	V4L2_IDENT_WM8775 = 8775,
+
+	/* module cs53132a: just ident 53132 */
+	V4L2_IDENT_CS53l32A = 53132,
+
+	/* module upd64031a: just ident 64031 */
+	V4L2_IDENT_UPD64031A = 64031,
+
+	/* module upd64083: just ident 64083 */
+	V4L2_IDENT_UPD64083 = 64083,
+
+	/* module msp34xx: reserved range 34000-34999 */
+	V4L2_IDENT_MSP3400B = 34002,
+	V4L2_IDENT_MSP3410B = 34102,
+
+	V4L2_IDENT_MSP3400C = 34003,
+	V4L2_IDENT_MSP3410C = 34103,
+
+	V4L2_IDENT_MSP3400D = 34004,
+	V4L2_IDENT_MSP3410D = 34104,
+	V4L2_IDENT_MSP3405D = 34054,
+	V4L2_IDENT_MSP3415D = 34154,
+	V4L2_IDENT_MSP3407D = 34074,
+	V4L2_IDENT_MSP3417D = 34174,
+
+	V4L2_IDENT_MSP3400G = 34007,
+	V4L2_IDENT_MSP3410G = 34107,
+	V4L2_IDENT_MSP3420G = 34207,
+	V4L2_IDENT_MSP3430G = 34307,
+	V4L2_IDENT_MSP3440G = 34407,
+	V4L2_IDENT_MSP3450G = 34507,
+	V4L2_IDENT_MSP3460G = 34607,
+
+	V4L2_IDENT_MSP3401G = 34017,
+	V4L2_IDENT_MSP3411G = 34117,
+	V4L2_IDENT_MSP3421G = 34217,
+	V4L2_IDENT_MSP3431G = 34317,
+	V4L2_IDENT_MSP3441G = 34417,
+	V4L2_IDENT_MSP3451G = 34517,
+	V4L2_IDENT_MSP3461G = 34617,
+
+	V4L2_IDENT_MSP3402G = 34027,
+	V4L2_IDENT_MSP3412G = 34127,
+	V4L2_IDENT_MSP3422G = 34227,
+	V4L2_IDENT_MSP3442G = 34427,
+	V4L2_IDENT_MSP3452G = 34527,
+
+	V4L2_IDENT_MSP3405G = 34057,
+	V4L2_IDENT_MSP3415G = 34157,
+	V4L2_IDENT_MSP3425G = 34257,
+	V4L2_IDENT_MSP3435G = 34357,
+	V4L2_IDENT_MSP3445G = 34457,
+	V4L2_IDENT_MSP3455G = 34557,
+	V4L2_IDENT_MSP3465G = 34657,
+
+	V4L2_IDENT_MSP3407G = 34077,
+	V4L2_IDENT_MSP3417G = 34177,
+	V4L2_IDENT_MSP3427G = 34277,
+	V4L2_IDENT_MSP3437G = 34377,
+	V4L2_IDENT_MSP3447G = 34477,
+	V4L2_IDENT_MSP3457G = 34577,
+	V4L2_IDENT_MSP3467G = 34677,
+
+	/* module msp44xx: reserved range 44000-44999 */
+	V4L2_IDENT_MSP4400G = 44007,
+	V4L2_IDENT_MSP4410G = 44107,
+	V4L2_IDENT_MSP4420G = 44207,
+	V4L2_IDENT_MSP4440G = 44407,
+	V4L2_IDENT_MSP4450G = 44507,
+
+	V4L2_IDENT_MSP4408G = 44087,
+	V4L2_IDENT_MSP4418G = 44187,
+	V4L2_IDENT_MSP4428G = 44287,
+	V4L2_IDENT_MSP4448G = 44487,
+	V4L2_IDENT_MSP4458G = 44587,
 };
 
 #endif