diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 0c71e599c140..0cf61a502203 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -531,7 +531,7 @@ void em28xx_pre_card_setup(struct em28xx *dev)
 	rc = em28xx_read_reg(dev, CHIPID_REG);
 	if (rc > 0) {
 		switch (rc) {
-		case 36:
+		case CHIP_ID_EM2883:
 			em28xx_info("chip ID is em2882/em2883\n");
 			dev->wait_after_write = 0;
 			break;
diff --git a/drivers/media/video/em28xx/em28xx-reg.h b/drivers/media/video/em28xx/em28xx-reg.h
new file mode 100644
index 000000000000..02eb2b171ba6
--- /dev/null
+++ b/drivers/media/video/em28xx/em28xx-reg.h
@@ -0,0 +1,88 @@
+#define EM_GPIO_0  (1 << 0)
+#define EM_GPIO_1  (1 << 1)
+#define EM_GPIO_2  (1 << 2)
+#define EM_GPIO_3  (1 << 3)
+#define EM_GPIO_4  (1 << 4)
+#define EM_GPIO_5  (1 << 5)
+#define EM_GPIO_6  (1 << 6)
+#define EM_GPIO_7  (1 << 7)
+
+#define EM_GPO_0   (1 << 0)
+#define EM_GPO_1   (1 << 1)
+#define EM_GPO_2   (1 << 2)
+#define EM_GPO_3   (1 << 3)
+
+/* em2800 registers */
+#define EM2800_AUDIOSRC_REG 0x08
+
+/* em28xx registers */
+
+	/* GPIO/GPO registers */
+#define EM_R04_GPO	0x04    /* em2880-em2883 only */
+#define EM_R08_GPIO	0x08	/* em2820 or upper */
+
+#define I2C_CLK_REG	0x06
+#define CHIPID_REG	0x0a
+#define USBSUSP_REG	0x0c	/* */
+
+#define AUDIOSRC_REG	0x0e
+#define XCLK_REG	0x0f
+
+#define VINMODE_REG	0x10
+#define VINCTRL_REG	0x11
+#define VINENABLE_REG	0x12	/* */
+
+#define GAMMA_REG	0x14
+#define RGAIN_REG	0x15
+#define GGAIN_REG	0x16
+#define BGAIN_REG	0x17
+#define ROFFSET_REG	0x18
+#define GOFFSET_REG	0x19
+#define BOFFSET_REG	0x1a
+
+#define OFLOW_REG	0x1b
+#define HSTART_REG	0x1c
+#define VSTART_REG	0x1d
+#define CWIDTH_REG	0x1e
+#define CHEIGHT_REG	0x1f
+
+#define YGAIN_REG	0x20
+#define YOFFSET_REG	0x21
+#define UVGAIN_REG	0x22
+#define UOFFSET_REG	0x23
+#define VOFFSET_REG	0x24
+#define SHARPNESS_REG	0x25
+
+#define COMPR_REG	0x26
+#define OUTFMT_REG	0x27
+
+#define XMIN_REG	0x28
+#define XMAX_REG	0x29
+#define YMIN_REG	0x2a
+#define YMAX_REG	0x2b
+
+#define HSCALELOW_REG	0x30
+#define HSCALEHIGH_REG	0x31
+#define VSCALELOW_REG	0x32
+#define VSCALEHIGH_REG	0x33
+
+#define AC97LSB_REG	0x40
+#define AC97MSB_REG	0x41
+#define AC97ADDR_REG	0x42
+#define AC97BUSY_REG	0x43
+
+/* em202 registers */
+#define MASTER_AC97	0x02
+#define LINE_IN_AC97    0x10
+#define VIDEO_AC97	0x14
+
+/* register settings */
+#define EM2800_AUDIO_SRC_TUNER  0x0d
+#define EM2800_AUDIO_SRC_LINE   0x0c
+#define EM28XX_AUDIO_SRC_TUNER	0xc0
+#define EM28XX_AUDIO_SRC_LINE	0x80
+
+/* FIXME: Need to be populated with the other chip ID's */
+enum em28xx_chip_id {
+	CHIP_ID_EM2883 = 36,
+};
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 8f12b848b1d1..2188bc44c465 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -35,6 +35,7 @@
 #include <media/videobuf-dvb.h>
 #endif
 #include "tuner-xc2028.h"
+#include "em28xx-reg.h"
 
 /* Boards supported by driver */
 #define EM2800_BOARD_UNKNOWN			0
@@ -480,71 +481,6 @@ int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
 int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
 				     u32 *ir_raw);
 
-/* em2800 registers */
-#define EM2800_AUDIOSRC_REG 0x08
-
-/* em28xx registers */
-#define I2C_CLK_REG	0x06
-#define CHIPID_REG	0x0a
-#define USBSUSP_REG	0x0c	/* */
-
-#define AUDIOSRC_REG	0x0e
-#define XCLK_REG	0x0f
-
-#define VINMODE_REG	0x10
-#define VINCTRL_REG	0x11
-#define VINENABLE_REG	0x12	/* */
-
-#define GAMMA_REG	0x14
-#define RGAIN_REG	0x15
-#define GGAIN_REG	0x16
-#define BGAIN_REG	0x17
-#define ROFFSET_REG	0x18
-#define GOFFSET_REG	0x19
-#define BOFFSET_REG	0x1a
-
-#define OFLOW_REG	0x1b
-#define HSTART_REG	0x1c
-#define VSTART_REG	0x1d
-#define CWIDTH_REG	0x1e
-#define CHEIGHT_REG	0x1f
-
-#define YGAIN_REG	0x20
-#define YOFFSET_REG	0x21
-#define UVGAIN_REG	0x22
-#define UOFFSET_REG	0x23
-#define VOFFSET_REG	0x24
-#define SHARPNESS_REG	0x25
-
-#define COMPR_REG	0x26
-#define OUTFMT_REG	0x27
-
-#define XMIN_REG	0x28
-#define XMAX_REG	0x29
-#define YMIN_REG	0x2a
-#define YMAX_REG	0x2b
-
-#define HSCALELOW_REG	0x30
-#define HSCALEHIGH_REG	0x31
-#define VSCALELOW_REG	0x32
-#define VSCALEHIGH_REG	0x33
-
-#define AC97LSB_REG	0x40
-#define AC97MSB_REG	0x41
-#define AC97ADDR_REG	0x42
-#define AC97BUSY_REG	0x43
-
-/* em202 registers */
-#define MASTER_AC97	0x02
-#define LINE_IN_AC97    0x10
-#define VIDEO_AC97	0x14
-
-/* register settings */
-#define EM2800_AUDIO_SRC_TUNER  0x0d
-#define EM2800_AUDIO_SRC_LINE   0x0c
-#define EM28XX_AUDIO_SRC_TUNER	0xc0
-#define EM28XX_AUDIO_SRC_LINE	0x80
-
 /* printk macros */
 
 #define em28xx_err(fmt, arg...) do {\