Quoting Srinivas Kandagatla (2018-06-21 06:40:08)
> new file mode 100644
> index 000000000000..f8af9474d286
> --- /dev/null
> +++ b/drivers/slimbus/stream.c
> @@ -0,0 +1,493 @@
> +// SPDX-License-Identifier: GPL-2.0
> +// Copyright (c) 2018, Linaro Limited
> +
> +#include <linux/kernel.h>
> +#include <linux/errno.h>
> +#include <linux/slab.h>
> +#include <linux/list.h>
> +#include <linux/slimbus.h>
> +#include "slimbus.h"
> +
> +/**
> + * struct segdist_code - Segment Distributions code from
> + * Table 20 of SLIMbus Specs Version 2.0
> + *
> + * @ratem: Channel Rate Multipler(Segments per Superframe)
> + * @seg_interval: Number of slots between the first Slot of Segment
> + * and the first slot of the next consecutive Segment.
> + * @segdist_code: Segment Distribution Code SD[11:0]
> + * @seg_offset_mask: Segment offset mask in SD[11:0]
> + * @segdist_codes: List of all possible Segmet Distribution codes.
> + */
> +static struct segdist_code {
const?
> + int ratem;
> + int seg_interval;
> + int segdist_code;
> + u32 seg_offset_mask;
> +
> +} segdist_codes[] = {
> + {1, 1536, 0x200, 0xdff},
> + {2, 768, 0x100, 0xcff},
> + {4, 384, 0x080, 0xc7f},
> + {8, 192, 0x040, 0xc3f},
> + {16, 96, 0x020, 0xc1f},
> + {32, 48, 0x010, 0xc0f},
> + {64, 24, 0x008, 0xc07},
> + {128, 12, 0x004, 0xc03},
> + {256, 6, 0x002, 0xc01},
> + {512, 3, 0x001, 0xc00},
> + {3, 512, 0xe00, 0x1ff},
> + {6, 256, 0xd00, 0x0ff},
> + {12, 128, 0xc80, 0x07f},
> + {24, 64, 0xc40, 0x03f},
> + {48, 32, 0xc20, 0x01f},
> + {96, 16, 0xc10, 0x00f},
> + {192, 8, 0xc08, 0x007},
> + {364, 4, 0xc04, 0x003},
> + {768, 2, 0xc02, 0x001},
> +};
> +
> +/**
> + * struct slim_presence_rate - Presense Rate table for all Natural Frequencies
> + * The Presense rate of a constant bitrate stram is mean flow rate of the
> + * stream expressed in occupied Segments of that Data Channel per second.
> + * Table 66 from SLIMbus 2.0 Specs
> + *
> + * @rate: data rate
> + * @pr_code: presence rate code PR[6:0]
> + * @prate_table: All possible presence rate code for Natural Frequencies
> + */
> +static struct slim_presence_rate {
const?
> + int rate;
> + int pr_code;
> +} prate_table[] = {
--
To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
