diff options
Diffstat (limited to 'drivers/firmware/xilinx/zynqmp-debug.c')
| -rw-r--r-- | drivers/firmware/xilinx/zynqmp-debug.c | 162 |
1 files changed, 161 insertions, 1 deletions
diff --git a/drivers/firmware/xilinx/zynqmp-debug.c b/drivers/firmware/xilinx/zynqmp-debug.c index 8528850af889..22853ae0efdf 100644 --- a/drivers/firmware/xilinx/zynqmp-debug.c +++ b/drivers/firmware/xilinx/zynqmp-debug.c @@ -31,13 +31,51 @@ static char debugfs_buf[PAGE_SIZE]; #define PM_API(id) {id, #id, strlen(#id)} static struct pm_api_info pm_api_list[] = { + PM_API(PM_FORCE_POWERDOWN), + PM_API(PM_REQUEST_WAKEUP), + PM_API(PM_SYSTEM_SHUTDOWN), + PM_API(PM_REQUEST_NODE), + PM_API(PM_RELEASE_NODE), + PM_API(PM_SET_REQUIREMENT), PM_API(PM_GET_API_VERSION), + PM_API(PM_REGISTER_NOTIFIER), + PM_API(PM_RESET_ASSERT), + PM_API(PM_RESET_GET_STATUS), + PM_API(PM_GET_CHIPID), + PM_API(PM_PINCTRL_SET_FUNCTION), + PM_API(PM_PINCTRL_CONFIG_PARAM_GET), + PM_API(PM_PINCTRL_CONFIG_PARAM_SET), + PM_API(PM_IOCTL), + PM_API(PM_CLOCK_ENABLE), + PM_API(PM_CLOCK_DISABLE), + PM_API(PM_CLOCK_GETSTATE), + PM_API(PM_CLOCK_SETDIVIDER), + PM_API(PM_CLOCK_GETDIVIDER), + PM_API(PM_CLOCK_SETPARENT), + PM_API(PM_CLOCK_GETPARENT), PM_API(PM_QUERY_DATA), }; static struct dentry *firmware_debugfs_root; /** + * zynqmp_pm_ioctl - PM IOCTL for device control and configs + * @node: Node ID of the device + * @ioctl: ID of the requested IOCTL + * @arg1: Argument 1 of requested IOCTL call + * @arg2: Argument 2 of requested IOCTL call + * @arg3: Argument 3 of requested IOCTL call + * @out: Returned output value + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_ioctl(const u32 node, const u32 ioctl, const u32 arg1, + const u32 arg2, const u32 arg3, u32 *out) +{ + return zynqmp_pm_invoke_fn(PM_IOCTL, out, 5, node, ioctl, arg1, arg2, arg3); +} + +/** * zynqmp_pm_argument_value() - Extract argument value from a PM-API request * @arg: Entered PM-API argument in string format * @@ -95,6 +133,128 @@ static int process_api_request(u32 pm_id, u64 *pm_api_arg, u32 *pm_api_ret) sprintf(debugfs_buf, "PM-API Version = %d.%d\n", pm_api_version >> 16, pm_api_version & 0xffff); break; + case PM_FORCE_POWERDOWN: + ret = zynqmp_pm_force_pwrdwn(pm_api_arg[0], + pm_api_arg[1] ? pm_api_arg[1] : + ZYNQMP_PM_REQUEST_ACK_NO); + break; + case PM_REQUEST_WAKEUP: + ret = zynqmp_pm_request_wake(pm_api_arg[0], + pm_api_arg[1], pm_api_arg[2], + pm_api_arg[3] ? pm_api_arg[3] : + ZYNQMP_PM_REQUEST_ACK_NO); + break; + case PM_SYSTEM_SHUTDOWN: + ret = zynqmp_pm_system_shutdown(pm_api_arg[0], pm_api_arg[1]); + break; + case PM_REQUEST_NODE: + ret = zynqmp_pm_request_node(pm_api_arg[0], + pm_api_arg[1] ? pm_api_arg[1] : + ZYNQMP_PM_CAPABILITY_ACCESS, + pm_api_arg[2] ? pm_api_arg[2] : 0, + pm_api_arg[3] ? pm_api_arg[3] : + ZYNQMP_PM_REQUEST_ACK_BLOCKING); + break; + case PM_RELEASE_NODE: + ret = zynqmp_pm_release_node(pm_api_arg[0]); + break; + case PM_SET_REQUIREMENT: + ret = zynqmp_pm_set_requirement(pm_api_arg[0], + pm_api_arg[1] ? pm_api_arg[1] : + ZYNQMP_PM_CAPABILITY_CONTEXT, + pm_api_arg[2] ? + pm_api_arg[2] : 0, + pm_api_arg[3] ? pm_api_arg[3] : + ZYNQMP_PM_REQUEST_ACK_BLOCKING); + break; + case PM_REGISTER_NOTIFIER: + ret = zynqmp_pm_register_notifier(pm_api_arg[0], + pm_api_arg[1] ? + pm_api_arg[1] : 0, + pm_api_arg[2] ? + pm_api_arg[2] : 0, + pm_api_arg[3] ? + pm_api_arg[3] : 0); + break; + case PM_RESET_ASSERT: + ret = zynqmp_pm_reset_assert(pm_api_arg[0], pm_api_arg[1]); + break; + case PM_RESET_GET_STATUS: + ret = zynqmp_pm_reset_get_status(pm_api_arg[0], &pm_api_ret[0]); + if (!ret) + sprintf(debugfs_buf, "Reset status: %u\n", + pm_api_ret[0]); + break; + case PM_GET_CHIPID: + ret = zynqmp_pm_get_chipid(&pm_api_ret[0], &pm_api_ret[1]); + if (!ret) + sprintf(debugfs_buf, "Idcode: %#x, Version:%#x\n", + pm_api_ret[0], pm_api_ret[1]); + break; + case PM_PINCTRL_SET_FUNCTION: + ret = zynqmp_pm_pinctrl_set_function(pm_api_arg[0], + pm_api_arg[1]); + break; + case PM_PINCTRL_CONFIG_PARAM_GET: + ret = zynqmp_pm_pinctrl_get_config(pm_api_arg[0], pm_api_arg[1], + &pm_api_ret[0]); + if (!ret) + sprintf(debugfs_buf, + "Pin: %llu, Param: %llu, Value: %u\n", + pm_api_arg[0], pm_api_arg[1], + pm_api_ret[0]); + break; + case PM_PINCTRL_CONFIG_PARAM_SET: + ret = zynqmp_pm_pinctrl_set_config(pm_api_arg[0], + pm_api_arg[1], + pm_api_arg[2]); + break; + case PM_IOCTL: + ret = zynqmp_pm_ioctl(pm_api_arg[0], pm_api_arg[1], + pm_api_arg[2], pm_api_arg[3], + pm_api_arg[4], &pm_api_ret[0]); + if (!ret && (pm_api_arg[1] == IOCTL_GET_RPU_OPER_MODE || + pm_api_arg[1] == IOCTL_GET_PLL_FRAC_MODE || + pm_api_arg[1] == IOCTL_GET_PLL_FRAC_DATA || + pm_api_arg[1] == IOCTL_READ_GGS || + pm_api_arg[1] == IOCTL_READ_PGGS || + pm_api_arg[1] == IOCTL_READ_REG)) + sprintf(debugfs_buf, "IOCTL return value: %u\n", + pm_api_ret[1]); + if (!ret && pm_api_arg[1] == IOCTL_GET_QOS) + sprintf(debugfs_buf, "Default QoS: %u\nCurrent QoS: %u\n", + pm_api_ret[1], pm_api_ret[2]); + break; + case PM_CLOCK_ENABLE: + ret = zynqmp_pm_clock_enable(pm_api_arg[0]); + break; + case PM_CLOCK_DISABLE: + ret = zynqmp_pm_clock_disable(pm_api_arg[0]); + break; + case PM_CLOCK_GETSTATE: + ret = zynqmp_pm_clock_getstate(pm_api_arg[0], &pm_api_ret[0]); + if (!ret) + sprintf(debugfs_buf, "Clock state: %u\n", + pm_api_ret[0]); + break; + case PM_CLOCK_SETDIVIDER: + ret = zynqmp_pm_clock_setdivider(pm_api_arg[0], pm_api_arg[1]); + break; + case PM_CLOCK_GETDIVIDER: + ret = zynqmp_pm_clock_getdivider(pm_api_arg[0], &pm_api_ret[0]); + if (!ret) + sprintf(debugfs_buf, "Divider Value: %d\n", + pm_api_ret[0]); + break; + case PM_CLOCK_SETPARENT: + ret = zynqmp_pm_clock_setparent(pm_api_arg[0], pm_api_arg[1]); + break; + case PM_CLOCK_GETPARENT: + ret = zynqmp_pm_clock_getparent(pm_api_arg[0], &pm_api_ret[0]); + if (!ret) + sprintf(debugfs_buf, + "Clock parent Index: %u\n", pm_api_ret[0]); + break; case PM_QUERY_DATA: qdata.qid = pm_api_arg[0]; qdata.arg1 = pm_api_arg[1]; @@ -150,7 +310,7 @@ static ssize_t zynqmp_pm_debugfs_api_write(struct file *file, char *kern_buff, *tmp_buff; char *pm_api_req; u32 pm_id = 0; - u64 pm_api_arg[4] = {0, 0, 0, 0}; + u64 pm_api_arg[5] = {0, 0, 0, 0, 0}; /* Return values from PM APIs calls */ u32 pm_api_ret[4] = {0, 0, 0, 0}; |