V4L/DVB (4180): Initial go at MMI

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

1 files changed, 95 insertions, 0 deletions

diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c
index fee27d58bda9..cc517c553ac5 100644
--- a/drivers/media/dvb/bt8xx/dst_ca.c
+++ b/drivers/media/dvb/bt8xx/dst_ca.c
@@ -340,6 +340,101 @@ static int debug_string(u8 *msg, u32 length, u32 offset)
         return 0;
 }
 
+/*      MMI     */
+static int ca_get_mmi(struct dst_state *state, struct ca_msg *hw_msg, struct ca_msg *mmi_msg)
+{
+        static u8 get_mmi[] = { 0x07, 0x40, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x0f };
+
+        put_checksum(&get_mmi[0], 7);
+        if ((dst_put_ci(state, get_mmi, sizeof (get_mmi), hw_msg->msg, GET_REPLY)) < 0) {
+                dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !");
+                return -1;
+        }
+        dprintk(verbose, DST_CA_NOTICE, 1, " -->dst_put_ci SUCCESS !");
+        memcpy(mmi_msg->msg, hw_msg->msg, hw_msg->msg[4]);
+
+        return 0;
+}
+
+/**
+ *      Get Menu should be the first MMI function (like open !)
+ */
+static int ca_get_menu(struct dst_state *state)
+{
+        static u8 get_menu[] = { 0x07, 0x40, 0x00, 0x00, 0x09, 0x00, 0x00, 0xff };
+
+        put_checksum(&get_menu[0], 7);
+        if ((dst_put_ci(state, get_menu, sizeof (get_menu), get_menu, NO_REPLY)) < 0) {
+                dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !");
+                return -1;
+        }
+        dprintk(verbose, DST_CA_NOTICE, 1, " -->dst_put_ci SUCCESS !");
+
+        return 0;
+}
+
+/**
+ *      MMI Enq (Enquire the application to allow user input)
+ */
+static int ca_answer_menu(struct dst_state *state, struct ca_msg *hw_msg, struct ca_msg *menu_answ)
+{
+        u8 choice = 0;
+
+        static u8 answer_menu[] = { 0x08, 0x40, 0x00, 0x00, 0x0b, 0x01, 0x00, 0x01, 0xff };
+
+        /*      derive answer from menu (This comes from the user)      */
+        answer_menu[7] = choice;
+        put_checksum(&answer_menu[0], 7);
+        if ((dst_put_ci(state, answer_menu, sizeof (answer_menu), hw_msg->msg, NO_REPLY)) < 0) {
+                dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !");
+                return -1;
+        }
+        dprintk(verbose, DST_CA_NOTICE, 1, " -->dst_put_ci SUCCESS !");
+
+        return 0;
+}
+
+static int ca_answer_mmi(struct dst_state *state, struct ca_msg *hw_msg, struct ca_msg *answ_msg)
+{
+        u8 answer =0, length = 0;
+
+        static u8 answer_mmi[] = { 0x08, 0x40, 0x00, 0x00, 0x08, 0x01, 0x00, 0x01, 0xff };
+
+        /*      derive answer from answ_msg (This comes from the user)  */
+        if (answer == 0)        /*      0x00 == Cancel  */
+                answer_mmi[7] = 0x00;
+        else {                  /*      0x01 == Answer  */
+                length = strlen(answ_msg->msg);
+                memcpy(&answer_mmi[8], answ_msg->msg, length);
+                answer_mmi[0] += length;
+                answer_mmi[5] += length;
+        }
+        put_checksum(&answer_mmi[0], (8 + length));
+        if ((dst_put_ci(state, answer_mmi, sizeof (answer_mmi), hw_msg->msg, GET_REPLY)) < 0) {
+                dprintk(verbose, DST_CA_NOTICE, 1, " -->dst_put_ci FAILED !");
+
+                return -1;
+        }
+        dprintk(verbose, DST_CA_NOTICE, 1, " -->dst_put_ci SUCCESS !");
+
+        return 0;
+}
+
+static int ca_close_mmi(struct dst_state *state, struct ca_msg *hw_msg)
+{
+        static u8 close_mmi[] = { 0x07, 0x40, 0x00, 0x00, 0x0e, 0x00, 0x00, 0xff };
+
+        put_checksum(&close_mmi[0], 7);
+        if ((dst_put_ci(state, close_mmi, sizeof (close_mmi), hw_msg->msg, NO_REPLY)) < 0) {
+                dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !");
+
+                return -1;
+        }
+        dprintk(verbose, DST_CA_NOTICE, 1, " -->dst_put_ci SUCCESS !");
+
+        return 0;
+}
+
 static int ca_set_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u8 reply, u8 query)
 {
         u32 length = 0;