V4L/DVB (4174): Distinguish between STV0299 and MB86A15 based NIM's
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c
index 2e0c6e73..4a70d2a 100644
--- a/drivers/media/dvb/bt8xx/dst.c
+++ b/drivers/media/dvb/bt8xx/dst.c
@@ -962,6 +962,58 @@
return 0;
}
+static void debug_dst_buffer(struct dst_state *state)
+{
+ int i;
+
+ if (verbose > 2) {
+ printk("%s: [", __func__);
+ for (i = 0; i < 8; i++)
+ printk(" %02x", state->rxbuffer[i]);
+ printk("]\n");
+ }
+}
+
+static int dst_check_stv0299(struct dst_state *state)
+{
+ u8 check_stv0299[] = { 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+ check_stv0299[7] = dst_check_sum(check_stv0299, 7);
+ if (dst_command(state, check_stv0299, 8) < 0) {
+ dprintk(verbose, DST_ERROR, 1, "Cmd=[0x04] failed");
+ return -1;
+ }
+ debug_dst_buffer(state);
+
+ if (memcmp(&check_stv0299, &state->rxbuffer, 8)) {
+ dprintk(verbose, DST_ERROR, 1, "Found a STV0299 NIM");
+ state->tuner_type = TUNER_TYPE_STV0299;
+ return 0;
+ }
+
+ return -1;
+}
+
+static int dst_check_mb86a15(struct dst_state *state)
+{
+ u8 check_mb86a15[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+ check_mb86a15[7] = dst_check_sum(check_mb86a15, 7);
+ if (dst_command(state, check_mb86a15, 8) < 0) {
+ dprintk(verbose, DST_ERROR, 1, "Cmd=[0x10], failed");
+ return -1;
+ }
+ debug_dst_buffer(state);
+
+ if (memcmp(&check_mb86a15, &state->rxbuffer, 8) < 0) {
+ dprintk(verbose, DST_ERROR, 1, "Found a MB86A15 NIM");
+ state->tuner_type = TUNER_TYPE_MB86A15;
+ return 0;
+ }
+
+ return -1;
+}
+
static int dst_get_tuner_info(struct dst_state *state)
{
u8 get_tuner_1[] = { 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
@@ -1006,14 +1058,15 @@
u8 reply;
int i, j;
- struct dst_types *p_dst_type;
- struct tuner_types *p_tuner_list;
+ struct dst_types *p_dst_type = NULL;
+ struct tuner_types *p_tuner_list = NULL;
u8 use_dst_type = 0;
u32 use_type_flags = 0;
static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
+ state->tuner_type = 0;
device_type[7] = dst_check_sum(device_type, 7);
if (write_dst(state, device_type, FIXED_COMM))
@@ -1047,14 +1100,24 @@
state->dst_hw_cap = p_dst_type->dst_feature;
dprintk(verbose, DST_ERROR, 1, "Recognise [%s]", p_dst_type->device_id);
- if (p_dst_type->tuner_type != TUNER_TYPE_MULTI) {
+// if (p_dst_type->tuner_type != TUNER_TYPE_MULTI) {
+ /* Multiple tuners */
+ if (p_dst_type->tuner_type & TUNER_TYPE_MULTI) {
+ /* STV0299 check */
+ if (dst_check_stv0299(state) < 0)
+ dprintk(verbose, DST_ERROR, 1, "Unsupported");
+ /* MB86A15 check */
+ if (dst_check_mb86a15(state) < 0)
+ dprintk(verbose, DST_ERROR, 1, "Unsupported");
+ /* Single tuner */
+ } else {
state->tuner_type = p_dst_type->tuner_type;
-
- for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
- if (p_dst_type->tuner_type == p_tuner_list->tuner_type) {
- state->tuner_type = p_tuner_list->tuner_type;
- dprintk(verbose, DST_ERROR, 1, "DST has a [%s] based tuner", p_tuner_list->tuner_name);
- }
+ }
+ for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
+ if (!(strncmp(p_dst_type->device_id, p_tuner_list->fw_name, 7)) &&
+ p_tuner_list->tuner_type == state->tuner_type) {
+ dprintk(verbose, DST_ERROR, 1, "[%s] has a [%s]",
+ p_dst_type->device_id, p_tuner_list->tuner_name);
}
}
break;