diff options
author | Michael Krufky <mkrufky@linuxtv.org> | 2008-11-16 18:01:58 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-29 17:53:40 -0200 |
commit | 76052bc8688c84628865740e2f82ab41d71a977b (patch) | |
tree | 4c9add782206671fea5999f6bcfb65bd1c8a93a1 /drivers/media/dvb/siano | |
parent | c9455fbb159711ca7a2ee5a67f0e7ca43287bbd7 (diff) | |
download | op-kernel-dev-76052bc8688c84628865740e2f82ab41d71a977b.zip op-kernel-dev-76052bc8688c84628865740e2f82ab41d71a977b.tar.gz |
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/media/dvb/siano')
-rw-r--r-- | drivers/media/dvb/siano/smscoreapi.c | 70 | ||||
-rw-r--r-- | drivers/media/dvb/siano/smscoreapi.h | 32 |
2 files changed, 102 insertions, 0 deletions
diff --git a/drivers/media/dvb/siano/smscoreapi.c b/drivers/media/dvb/siano/smscoreapi.c index 6576fbb..b0e8bcb 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 8d973f7..27b0c41 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); |