diff options
| author | Sebastian Reichel <sre@kernel.org> | 2014-03-28 22:48:23 +0100 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2014-05-16 00:54:36 +0200 |
| commit | a088cf161cc87b39e83c7c53b9f239773422d212 (patch) | |
| tree | a58304be6d5e9fd06e2739c1485a87a0824db0e6 /include/linux/hsi | |
| parent | a0bf37edb4d34c21bdaa19a1624378924b917491 (diff) | |
| download | lwn-a088cf161cc87b39e83c7c53b9f239773422d212.tar.gz lwn-a088cf161cc87b39e83c7c53b9f239773422d212.zip | |
HSI: Add channel resource support to HSI clients
Make HSI channel ids platform data, which can be provided
by platform data.
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Tested-By: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Diffstat (limited to 'include/linux/hsi')
| -rw-r--r-- | include/linux/hsi/hsi.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/include/linux/hsi/hsi.h b/include/linux/hsi/hsi.h index 5a9f1210ed22..e3cff94bef04 100644 --- a/include/linux/hsi/hsi.h +++ b/include/linux/hsi/hsi.h @@ -68,17 +68,31 @@ enum { }; /** + * struct hsi_channel - channel resource used by the hsi clients + * @id: Channel number + * @name: Channel name + */ +struct hsi_channel { + unsigned int id; + const char *name; +}; + +/** * struct hsi_config - Configuration for RX/TX HSI modules * @mode: Bit transmission mode (STREAM or FRAME) - * @channels: Number of channels to use [1..16] + * @channels: Channel resources used by the client + * @num_channels: Number of channel resources + * @num_hw_channels: Number of channels the transceiver is configured for [1..16] * @speed: Max bit transmission speed (Kbit/s) * @flow: RX flow type (SYNCHRONIZED or PIPELINE) * @arb_mode: Arbitration mode for TX frame (Round robin, priority) */ struct hsi_config { - unsigned int mode; - unsigned int channels; - unsigned int speed; + unsigned int mode; + struct hsi_channel *channels; + unsigned int num_channels; + unsigned int num_hw_channels; + unsigned int speed; union { unsigned int flow; /* RX only */ unsigned int arb_mode; /* TX only */ @@ -306,6 +320,8 @@ static inline struct hsi_port *hsi_find_port_num(struct hsi_controller *hsi, */ int hsi_async(struct hsi_client *cl, struct hsi_msg *msg); +int hsi_get_channel_id_by_name(struct hsi_client *cl, char *name); + /** * hsi_id - Get HSI controller ID associated to a client * @cl: Pointer to a HSI client |