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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>
hifive-unleashed-5.1
Michael Krufky 2008-11-16 18:01:58 -03:00 committed by Mauro Carvalho Chehab
parent c9455fbb15
commit 76052bc868
2 changed files with 102 additions and 0 deletions
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70
drivers/media/dvb/siano/smscoreapi.c
View File

@ -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;

32
drivers/media/dvb/siano/smscoreapi.h
View File

@ -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);