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authorMichael Krufky <mkrufky@linuxtv.org>2008-11-16 18:01:58 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-29 17:53:40 -0200
commit76052bc8688c84628865740e2f82ab41d71a977b (patch)
tree4c9add782206671fea5999f6bcfb65bd1c8a93a1 /drivers
parentc9455fbb159711ca7a2ee5a67f0e7ca43287bbd7 (diff)
V4L/DVB (9734): sms1xxx: add functions to configure and set gpio
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/dvb/siano/smscoreapi.c70
-rw-r--r--drivers/media/dvb/siano/smscoreapi.h32
2 files changed, 102 insertions, 0 deletions
diff --git a/drivers/media/dvb/siano/smscoreapi.c b/drivers/media/dvb/siano/smscoreapi.c
index 6576fbb40fc..b0e8bcb1238 100644
--- a/drivers/media/dvb/siano/smscoreapi.c
+++ b/drivers/media/dvb/siano/smscoreapi.c
@@ -1187,6 +1187,76 @@ int smsclient_sendrequest(struct smscore_client_t *client,
}
+int smscore_configure_gpio(struct smscore_device_t *coredev, u32 pin,
+ struct smscore_gpio_config *pinconfig)
+{
+ struct {
+ struct SmsMsgHdr_ST hdr;
+ u32 data[6];
+ } msg;
+
+ if (coredev->device_flags & SMS_DEVICE_FAMILY2) {
+ msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
+ msg.hdr.msgDstId = HIF_TASK;
+ msg.hdr.msgFlags = 0;
+ msg.hdr.msgType = MSG_SMS_GPIO_CONFIG_EX_REQ;
+ msg.hdr.msgLength = sizeof(msg);
+
+ msg.data[0] = pin;
+ msg.data[1] = pinconfig->pullupdown;
+
+ /* Convert slew rate for Nova: Fast(0) = 3 / Slow(1) = 0; */
+ msg.data[2] = pinconfig->outputslewrate == 0 ? 3 : 0;
+
+ switch (pinconfig->outputdriving) {
+ case SMS_GPIO_OUTPUTDRIVING_16mA:
+ msg.data[3] = 7; /* Nova - 16mA */
+ break;
+ case SMS_GPIO_OUTPUTDRIVING_12mA:
+ msg.data[3] = 5; /* Nova - 11mA */
+ break;
+ case SMS_GPIO_OUTPUTDRIVING_8mA:
+ msg.data[3] = 3; /* Nova - 7mA */
+ break;
+ case SMS_GPIO_OUTPUTDRIVING_4mA:
+ default:
+ msg.data[3] = 2; /* Nova - 4mA */
+ break;
+ }
+
+ msg.data[4] = pinconfig->direction;
+ msg.data[5] = 0;
+ } else /* TODO: SMS_DEVICE_FAMILY1 */
+ return -EINVAL;
+
+ return coredev->sendrequest_handler(coredev->context,
+ &msg, sizeof(msg));
+}
+
+int smscore_set_gpio(struct smscore_device_t *coredev, u32 pin, int level)
+{
+ struct {
+ struct SmsMsgHdr_ST hdr;
+ u32 data[3];
+ } msg;
+
+ if (pin > MAX_GPIO_PIN_NUMBER)
+ return -EINVAL;
+
+ msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
+ msg.hdr.msgDstId = HIF_TASK;
+ msg.hdr.msgFlags = 0;
+ msg.hdr.msgType = MSG_SMS_GPIO_SET_LEVEL_REQ;
+ msg.hdr.msgLength = sizeof(msg);
+
+ msg.data[0] = pin;
+ msg.data[1] = level ? 1 : 0;
+ msg.data[2] = 0;
+
+ return coredev->sendrequest_handler(coredev->context,
+ &msg, sizeof(msg));
+}
+
static int __init smscore_module_init(void)
{
int rc = 0;
diff --git a/drivers/media/dvb/siano/smscoreapi.h b/drivers/media/dvb/siano/smscoreapi.h
index 8d973f726fb..27b0c4139dc 100644
--- a/drivers/media/dvb/siano/smscoreapi.h
+++ b/drivers/media/dvb/siano/smscoreapi.h
@@ -186,6 +186,8 @@ struct smsclient_params_t {
#define MSG_SW_RELOAD_EXEC_REQ 704
#define MSG_SW_RELOAD_EXEC_RES 705
#define MSG_SMS_SPI_INT_LINE_SET_REQ 710
+#define MSG_SMS_GPIO_CONFIG_EX_REQ 712
+#define MSG_SMS_GPIO_CONFIG_EX_RES 713
#define MSG_SMS_ISDBT_TUNE_REQ 776
#define MSG_SMS_ISDBT_TUNE_RES 777
@@ -341,6 +343,32 @@ struct SmsMsgStatisticsInfo_ST {
};
+struct smscore_gpio_config {
+#define SMS_GPIO_DIRECTION_INPUT 0
+#define SMS_GPIO_DIRECTION_OUTPUT 1
+ u8 direction;
+
+#define SMS_GPIO_PULLUPDOWN_NONE 0
+#define SMS_GPIO_PULLUPDOWN_PULLDOWN 1
+#define SMS_GPIO_PULLUPDOWN_PULLUP 2
+#define SMS_GPIO_PULLUPDOWN_KEEPER 3
+ u8 pullupdown;
+
+#define SMS_GPIO_INPUTCHARACTERISTICS_NORMAL 0
+#define SMS_GPIO_INPUTCHARACTERISTICS_SCHMITT 1
+ u8 inputcharacteristics;
+
+#define SMS_GPIO_OUTPUTSLEWRATE_FAST 0
+#define SMS_GPIO_OUTPUTSLEWRATE_SLOW 1
+ u8 outputslewrate;
+
+#define SMS_GPIO_OUTPUTDRIVING_4mA 0
+#define SMS_GPIO_OUTPUTDRIVING_8mA 1
+#define SMS_GPIO_OUTPUTDRIVING_12mA 2
+#define SMS_GPIO_OUTPUTDRIVING_16mA 3
+ u8 outputdriving;
+};
+
struct smsdvb_client_t {
struct list_head entry;
@@ -396,6 +424,10 @@ struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev);
extern void smscore_putbuffer(struct smscore_device_t *coredev,
struct smscore_buffer_t *cb);
+int smscore_configure_gpio(struct smscore_device_t *coredev, u32 pin,
+ struct smscore_gpio_config *pinconfig);
+int smscore_set_gpio(struct smscore_device_t *coredev, u32 pin, int level);
+
void smscore_set_board_id(struct smscore_device_t *core, int id);
int smscore_get_board_id(struct smscore_device_t *core);