V4L/DVB (9435): Add post process interfaces

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/stb0899_drv.c

@@ -580,11 +580,35 @@ static void stb0899_set_mclk(struct stb0899_state *state, u32 Mclk)
 	dprintk(verbose, FE_DEBUG, 1, "MasterCLOCK=%d", internal->master_clk);
 }
 
+static int stb0899_postproc(struct stb0899_state *state, u8 ctl, int enable)
+{
+	struct stb0899_config *config		= state->config;
+	struct stb0899_postproc	*postproc	= config->postproc;
+
+	/* post process event */
+	if (postproc) {
+		if (enable) {
+			if (postproc[STB0899_POSTPROC_GPIO_POWER].level == STB0899_GPIOPULLUP)
+				stb0899_write_reg(state, postproc[ctl].gpio, 0x02);
+			else
+				stb0899_write_reg(state, postproc[ctl].gpio, 0x82);
+		} else {
+			if (postproc[STB0899_POSTPROC_GPIO_POWER].level == STB0899_GPIOPULLUP)
+				stb0899_write_reg(state, postproc[ctl].gpio, 0x82);
+			else
+				stb0899_write_reg(state, postproc[ctl].gpio, 0x02);
+		}
+	}
+	return 0;
+}
+
 static void stb0899_release(struct dvb_frontend *fe)
 {
 	struct stb0899_state *state = fe->demodulator_priv;
 
 	dprintk(verbose, FE_DEBUG, 1, "Release Frontend");
+	/* post process event */
+	stb0899_postproc(state, STB0899_POSTPROC_GPIO_POWER, 0);
 	kfree(state);
 }
 
@@ -839,6 +863,9 @@ static int stb0899_sleep(struct dvb_frontend *fe)
 	u8 reg;
 
 	dprintk(verbose, FE_DEBUG, 1, "Going to Sleep .. (Really tired .. :-))");
+	/* post process event */
+	stb0899_postproc(state, STB0899_POSTPROC_GPIO_POWER, 0);
+
 	return 0;
 }
 
@@ -855,6 +882,9 @@ static int stb0899_wakeup(struct dvb_frontend *fe)
 	if ((rc = stb0899_write_reg(state, STB0899_STOPCLK2, 0x00)))
 		return rc;
 
+	/* post process event */
+	stb0899_postproc(state, STB0899_POSTPROC_GPIO_POWER, 1);
+
 	return 0;
 }
 
@@ -1050,6 +1080,8 @@ static int stb0899_read_status(struct dvb_frontend *fe, enum fe_status *status)
 				if (STB0899_GETFIELD(VITCURPUN, reg)) {
 					dprintk(state->verbose, FE_DEBUG, 1, "--------> FE_HAS_VITERBI | FE_HAS_SYNC");
 					*status |= FE_HAS_VITERBI | FE_HAS_SYNC;
+					/* post process event */
+					stb0899_postproc(state, STB0899_POSTPROC_GPIO_LOCK, 1);
 				}
 			}
 		}
@@ -1079,6 +1111,8 @@ static int stb0899_read_status(struct dvb_frontend *fe, enum fe_status *status)
 					*status |= FE_HAS_SYNC;
 					dprintk(state->verbose, FE_DEBUG, 1,
 						"Packet Delineator found SYNC ! -----> DVB-S2 FE_HAS_SYNC");
+					/* post process event */
+					stb0899_postproc(state, STB0899_POSTPROC_GPIO_LOCK, 1);
 				}
 			}
 		}

drivers/media/dvb/frontends/stb0899_drv.h

@@ -50,6 +50,47 @@ enum stb0899_inversion {
 	IQ_SWAP_AUTO
 };
 
+#define STB0899_GPIO00				0xf140
+#define STB0899_GPIO01				0xf141
+#define STB0899_GPIO02				0xf142
+#define STB0899_GPIO03				0xf143
+#define STB0899_GPIO04				0xf144
+#define STB0899_GPIO05				0xf145
+#define STB0899_GPIO06				0xf146
+#define STB0899_GPIO07				0xf147
+#define STB0899_GPIO08				0xf148
+#define STB0899_GPIO09				0xf149
+#define STB0899_GPIO10				0xf14a
+#define STB0899_GPIO11				0xf14b
+#define STB0899_GPIO12				0xf14c
+#define STB0899_GPIO13				0xf14d
+#define STB0899_GPIO14				0xf14e
+#define STB0899_GPIO15				0xf14f
+#define STB0899_GPIO16				0xf150
+#define STB0899_GPIO17				0xf151
+#define STB0899_GPIO18				0xf152
+#define STB0899_GPIO19				0xf153
+#define STB0899_GPIO20				0xf154
+
+#define STB0899_GPIOPULLUP			0x01 /* Output device is connected to Vdd */
+#define STB0899_GPIOPULLDN			0x00 /* Output device is connected to Vss */
+
+#define STB0899_POSTPROC_GPIO_POWER		0x00
+#define STB0899_POSTPROC_GPIO_LOCK		0x01
+
+/*
+ * Post process output configuration control
+ * 1. POWER ON/OFF		(index 0)
+ * 2. FE_HAS_LOCK/LOCK_LOSS	(index 1)
+ *
+ * @gpio 	= one of the above listed GPIO's
+ * @level	= output state: pulled up or low
+ */
+struct stb0899_postproc {
+	u16	gpio;
+	u8	level;
+};
+
 struct stb0899_config {
 	const struct stb0899_s1_reg	*init_dev;
 	const struct stb0899_s2_reg	*init_s2_demod;
@@ -57,6 +98,8 @@ struct stb0899_config {
 	const struct stb0899_s2_reg	*init_s2_fec;
 	const struct stb0899_s1_reg	*init_tst;
 
+	const struct stb0899_postproc	*postproc;
+
 	enum stb0899_inversion		inversion;
 
 	u32	xtal_freq;