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path: root/drivers/net/ethernet/freescale/dpaa2/dprtc.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dprtc.c')
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dprtc.c191
1 files changed, 145 insertions, 46 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dprtc.c b/drivers/net/ethernet/freescale/dpaa2/dprtc.c
index c13e09bc7b9d..ed52a34fa6a1 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dprtc.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dprtc.c
@@ -74,121 +74,220 @@ int dprtc_close(struct fsl_mc_io *mc_io,
}
/**
- * dprtc_set_freq_compensation() - Sets a new frequency compensation value.
+ * dprtc_set_irq_enable() - Set overall interrupt state.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @en: Interrupt state - enable = 1, disable = 0
*
- * @mc_io: Pointer to MC portal's I/O object
- * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
- * @token: Token of DPRTC object
- * @freq_compensation: The new frequency compensation value to set.
+ * Allows GPP software to control when interrupts are generated.
+ * Each interrupt can have up to 32 causes. The enable/disable control's the
+ * overall interrupt state. if the interrupt is disabled no causes will cause
+ * an interrupt.
*
* Return: '0' on Success; Error code otherwise.
*/
-int dprtc_set_freq_compensation(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token,
- u32 freq_compensation)
+int dprtc_set_irq_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 en)
{
- struct dprtc_get_freq_compensation *cmd_params;
+ struct dprtc_cmd_set_irq_enable *cmd_params;
struct fsl_mc_command cmd = { 0 };
- cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_FREQ_COMPENSATION,
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_IRQ_ENABLE,
cmd_flags,
token);
- cmd_params = (struct dprtc_get_freq_compensation *)cmd.params;
- cmd_params->freq_compensation = cpu_to_le32(freq_compensation);
+ cmd_params = (struct dprtc_cmd_set_irq_enable *)cmd.params;
+ cmd_params->irq_index = irq_index;
+ cmd_params->en = en;
return mc_send_command(mc_io, &cmd);
}
/**
- * dprtc_get_freq_compensation() - Retrieves the frequency compensation value
+ * dprtc_get_irq_enable() - Get overall interrupt state
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @en: Returned interrupt state - enable = 1, disable = 0
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_get_irq_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 *en)
+{
+ struct dprtc_rsp_get_irq_enable *rsp_params;
+ struct dprtc_cmd_get_irq *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_IRQ_ENABLE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_cmd_get_irq *)cmd.params;
+ cmd_params->irq_index = irq_index;
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ rsp_params = (struct dprtc_rsp_get_irq_enable *)cmd.params;
+ *en = rsp_params->en;
+
+ return 0;
+}
+
+/**
+ * dprtc_set_irq_mask() - Set interrupt mask.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @mask: Event mask to trigger interrupt;
+ * each bit:
+ * 0 = ignore event
+ * 1 = consider event for asserting IRQ
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_set_irq_mask(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 mask)
+{
+ struct dprtc_cmd_set_irq_mask *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_IRQ_MASK,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_cmd_set_irq_mask *)cmd.params;
+ cmd_params->mask = cpu_to_le32(mask);
+ cmd_params->irq_index = irq_index;
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_get_irq_mask() - Get interrupt mask.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @mask: Returned event mask to trigger interrupt
*
- * @mc_io: Pointer to MC portal's I/O object
- * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
- * @token: Token of DPRTC object
- * @freq_compensation: Frequency compensation value
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
*
* Return: '0' on Success; Error code otherwise.
*/
-int dprtc_get_freq_compensation(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token,
- u32 *freq_compensation)
+int dprtc_get_irq_mask(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *mask)
{
- struct dprtc_get_freq_compensation *rsp_params;
+ struct dprtc_rsp_get_irq_mask *rsp_params;
+ struct dprtc_cmd_get_irq *cmd_params;
struct fsl_mc_command cmd = { 0 };
int err;
- cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_FREQ_COMPENSATION,
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_IRQ_MASK,
cmd_flags,
token);
+ cmd_params = (struct dprtc_cmd_get_irq *)cmd.params;
+ cmd_params->irq_index = irq_index;
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
- rsp_params = (struct dprtc_get_freq_compensation *)cmd.params;
- *freq_compensation = le32_to_cpu(rsp_params->freq_compensation);
+ rsp_params = (struct dprtc_rsp_get_irq_mask *)cmd.params;
+ *mask = le32_to_cpu(rsp_params->mask);
return 0;
}
/**
- * dprtc_get_time() - Returns the current RTC time.
+ * dprtc_get_irq_status() - Get the current status of any pending interrupts.
*
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRTC object
- * @time: Current RTC time.
+ * @irq_index: The interrupt index to configure
+ * @status: Returned interrupts status - one bit per cause:
+ * 0 = no interrupt pending
+ * 1 = interrupt pending
*
* Return: '0' on Success; Error code otherwise.
*/
-int dprtc_get_time(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token,
- uint64_t *time)
+int dprtc_get_irq_status(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *status)
{
- struct dprtc_time *rsp_params;
+ struct dprtc_cmd_get_irq_status *cmd_params;
+ struct dprtc_rsp_get_irq_status *rsp_params;
struct fsl_mc_command cmd = { 0 };
int err;
- cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_TIME,
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_IRQ_STATUS,
cmd_flags,
token);
+ cmd_params = (struct dprtc_cmd_get_irq_status *)cmd.params;
+ cmd_params->status = cpu_to_le32(*status);
+ cmd_params->irq_index = irq_index;
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
- rsp_params = (struct dprtc_time *)cmd.params;
- *time = le64_to_cpu(rsp_params->time);
+ rsp_params = (struct dprtc_rsp_get_irq_status *)cmd.params;
+ *status = le32_to_cpu(rsp_params->status);
return 0;
}
/**
- * dprtc_set_time() - Updates current RTC time.
+ * dprtc_clear_irq_status() - Clear a pending interrupt's status
*
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRTC object
- * @time: New RTC time.
+ * @irq_index: The interrupt index to configure
+ * @status: Bits to clear (W1C) - one bit per cause:
+ * 0 = don't change
+ * 1 = clear status bit
*
* Return: '0' on Success; Error code otherwise.
*/
-int dprtc_set_time(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token,
- uint64_t time)
+int dprtc_clear_irq_status(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 status)
{
- struct dprtc_time *cmd_params;
+ struct dprtc_cmd_clear_irq_status *cmd_params;
struct fsl_mc_command cmd = { 0 };
- cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_TIME,
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_CLEAR_IRQ_STATUS,
cmd_flags,
token);
- cmd_params = (struct dprtc_time *)cmd.params;
- cmd_params->time = cpu_to_le64(time);
+ cmd_params = (struct dprtc_cmd_clear_irq_status *)cmd.params;
+ cmd_params->irq_index = irq_index;
+ cmd_params->status = cpu_to_le32(status);
return mc_send_command(mc_io, &cmd);
}