V4L/DVB: lgs8gxx: remove firmware for lgs8g75

The recently added support for lgs8g75 included some 8051 machine code
without accompanying source code.  Replace this with use of the
firmware loader.

Compile-tested only.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/Kconfig

@@ -584,6 +584,7 @@ config DVB_LGS8GL5
 config DVB_LGS8GXX
 	tristate "Legend Silicon LGS8913/LGS8GL5/LGS8GXX DMB-TH demodulator"
 	depends on DVB_CORE && I2C
+	select FW_LOADER
 	default m if DVB_FE_CUSTOMISE
 	help
 	  A DMB-TH tuner module. Say Y when you want to support this frontend.

drivers/media/dvb/frontends/lgs8gxx.c

@@ -24,6 +24,7 @@
  */
 
 #include <asm/div64.h>
+#include <linux/firmware.h>
 
 #include "dvb_frontend.h"
 
@@ -46,42 +47,6 @@ module_param(fake_signal_str, int, 0644);
 MODULE_PARM_DESC(fake_signal_str, "fake signal strength for LGS8913."
 "Signal strength calculation is slow.(default:on).");
 
-static const u8 lgs8g75_initdat[] = {
-	0x01, 0x30, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-	0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-	0xE4, 0xF5, 0xA8, 0xF5, 0xB8, 0xF5, 0x88, 0xF5,
-	0x89, 0xF5, 0x87, 0x75, 0xD0, 0x00, 0x11, 0x50,
-	0x11, 0x50, 0xF4, 0xF5, 0x80, 0xF5, 0x90, 0xF5,
-	0xA0, 0xF5, 0xB0, 0x75, 0x81, 0x30, 0x80, 0x01,
-	0x32, 0x90, 0x80, 0x12, 0x74, 0xFF, 0xF0, 0x90,
-	0x80, 0x13, 0x74, 0x1F, 0xF0, 0x90, 0x80, 0x23,
-	0x74, 0x01, 0xF0, 0x90, 0x80, 0x22, 0xF0, 0x90,
-	0x00, 0x48, 0x74, 0x00, 0xF0, 0x90, 0x80, 0x4D,
-	0x74, 0x05, 0xF0, 0x90, 0x80, 0x09, 0xE0, 0x60,
-	0x21, 0x12, 0x00, 0xDD, 0x14, 0x60, 0x1B, 0x12,
-	0x00, 0xDD, 0x14, 0x60, 0x15, 0x12, 0x00, 0xDD,
-	0x14, 0x60, 0x0F, 0x12, 0x00, 0xDD, 0x14, 0x60,
-	0x09, 0x12, 0x00, 0xDD, 0x14, 0x60, 0x03, 0x12,
-	0x00, 0xDD, 0x90, 0x80, 0x42, 0xE0, 0x60, 0x0B,
-	0x14, 0x60, 0x0C, 0x14, 0x60, 0x0D, 0x14, 0x60,
-	0x0E, 0x01, 0xB3, 0x74, 0x04, 0x01, 0xB9, 0x74,
-	0x05, 0x01, 0xB9, 0x74, 0x07, 0x01, 0xB9, 0x74,
-	0x0A, 0xC0, 0xE0, 0x74, 0xC8, 0x12, 0x00, 0xE2,
-	0xD0, 0xE0, 0x14, 0x70, 0xF4, 0x90, 0x80, 0x09,
-	0xE0, 0x70, 0xAE, 0x12, 0x00, 0xF6, 0x12, 0x00,
-	0xFE, 0x90, 0x00, 0x48, 0xE0, 0x04, 0xF0, 0x90,
-	0x80, 0x4E, 0xF0, 0x01, 0x73, 0x90, 0x80, 0x08,
-	0xF0, 0x22, 0xF8, 0x7A, 0x0C, 0x79, 0xFD, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD9,
-	0xF6, 0xDA, 0xF2, 0xD8, 0xEE, 0x22, 0x90, 0x80,
-	0x65, 0xE0, 0x54, 0xFD, 0xF0, 0x22, 0x90, 0x80,
-	0x65, 0xE0, 0x44, 0xC2, 0xF0, 0x22
-};
-
 /* LGS8GXX internal helper functions */
 
 static int lgs8gxx_write_reg(struct lgs8gxx_state *priv, u8 reg, u8 data)
@@ -627,9 +592,14 @@ static int lgs8913_init(struct lgs8gxx_state *priv)
 
 static int lgs8g75_init_data(struct lgs8gxx_state *priv)
 {
-	const u8 *p = lgs8g75_initdat;
+	const struct firmware *fw;
+	int rc;
 	int i;
 
+	rc = request_firmware(&fw, "lgs8g75.fw", &priv->i2c->dev);
+	if (rc)
+		return rc;
+
 	lgs8gxx_write_reg(priv, 0xC6, 0x40);
 
 	lgs8gxx_write_reg(priv, 0x3D, 0x04);
@@ -640,16 +610,16 @@ static int lgs8g75_init_data(struct lgs8gxx_state *priv)
 	lgs8gxx_write_reg(priv, 0x3B, 0x00);
 	lgs8gxx_write_reg(priv, 0x38, 0x00);
 
-	for (i = 0; i < sizeof(lgs8g75_initdat); i++) {
+	for (i = 0; i < fw->size; i++) {
 		lgs8gxx_write_reg(priv, 0x38, 0x00);
 		lgs8gxx_write_reg(priv, 0x3A, (u8)(i&0xff));
 		lgs8gxx_write_reg(priv, 0x3B, (u8)(i>>8));
-		lgs8gxx_write_reg(priv, 0x3C, *p);
-		p++;
+		lgs8gxx_write_reg(priv, 0x3C, fw->data[i]);
 	}
 
 	lgs8gxx_write_reg(priv, 0x38, 0x00);
 
+	release_firmware(fw);
 	return 0;
 }