V4L/DVB (9435): Add post process interfaces

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

2 files changed, 77 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c
index 9f5254aee39..0b1d9447663 100644
--- a/drivers/media/dvb/frontends/stb0899_drv.c
+++ b/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);
                                 }
                         }
                 }
diff --git a/drivers/media/dvb/frontends/stb0899_drv.h b/drivers/media/dvb/frontends/stb0899_drv.h
index 1e28114febf..45136d9aaeb 100644
--- a/drivers/media/dvb/frontends/stb0899_drv.h
+++ b/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;