MMC core:
- Continue to refactor the mmc block code to prepare for blkmq - Move mmc block debugfs into block module - Next step for eMMC CMDQ by adding a new mmc host interface for it - Move Kconfig option MMC_DEBUG from core to host - Some additional minor improvements MMC host: - Declare structs as const when applicable - Explicitly request exclusive reset control when applicable - Improve some error paths and other various cleanups - sdhci: Preparations to support SDHCI OMAP - sdhci: Improve some PM related code - sdhci: Re-factoring and modernizations - sdhci-xenon: Add runtime PM and system sleep support - sdhci-xenon: Add support for eMMC HS400 Enhanced Strobe - sdhci-cadence: Add system sleep support - sdhci-of-at91: Improve system sleep support - dw_mmc: Add support for Hisilicon hi3660 - sunxi: Add support for A83T eMMC - sunxi: Add support for DDR52 mode - meson-gx: Add support for UHS-I SD-cards - meson-gx: Cleanups and improvements - tmio: Fix CMD12 (STOP) handling - tmio: Cleanups and improvements - renesas_sdhi: Add r8a7743/5 support - renesas-sdhi: Add support for R-Car Gen3 SDHI DMAC - renesas_sdhi: Cleanups and improvements -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJZr7CEAAoJEP4mhCVzWIwp5WQQAK9l2Hg1k4tFzxQ5EmKB/9Sm r3eS2GrosqrsCffR3vSSKnmva/lOrQuBzhqzx1MvWAByMUc5w8Yc8OowrKGhCWm9 pAzi/3Tnjf7A9nAq+0NeGhkwybckam9ZpGhMyC1E4bp63g6PCoHjTcqOMVnjYxHz cUNNQUz7oCjW6tjtpvdJQWZuIGiScNuyxrTYKi8SUpQZ0LQo8nU9DujKcwsKsZed gYEIimqOqZnGz1rWs/EP2Y5TSoPVxvnb6nc90gt8kh0nfXYumxKjEmHZ0PB7K97b pioCN/THtkDgdYn8j3gnDXZYYa6JA4fKKOw+S6VZraLoVLeDtLo5zK353Rr3BscI SddxLePp5WclRal+WulLLJs1FeY5PN3ji+mxC3FAG6cvCqIyosyU8HKG79Lhwwl6 7qlaDf27BhK71Sf17jzxtc5OwVTkSsY+9iKzVZAw5tIHSLR+nwhjM2vlAVU+oG2r KAsuVO1CVAqYbeIBJ85R6bPzgRGxQ0Kmkqwxe1QDVhgXl3eC5Ot5N/bOifv7HzV+ m+6W1Wdw6/tUKD5g5c6s2WMijXgTdEnfj7dYXmHHN4q1abAKj0cOVjXtmVb90DHM 5tvfxNurQZCCLo2A88/BYXRd299vBzOy9HAWvMvt5effQfxgFfpC1gc9NkfUTfkA FTOQ96vOpOmAH5uA0Xvm =850Z -----END PGP SIGNATURE----- Merge tag 'mmc-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC updates from Ulf Hansson: "MMC core: - Continue to refactor the mmc block code to prepare for blkmq - Move mmc block debugfs into block module - Next step for eMMC CMDQ by adding a new mmc host interface for it - Move Kconfig option MMC_DEBUG from core to host - Some additional minor improvements MMC host: - Declare structs as const when applicable - Explicitly request exclusive reset control when applicable - Improve some error paths and other various cleanups - sdhci: Preparations to support SDHCI OMAP - sdhci: Improve some PM related code - sdhci: Re-factoring and modernizations - sdhci-xenon: Add runtime PM and system sleep support - sdhci-xenon: Add support for eMMC HS400 Enhanced Strobe - sdhci-cadence: Add system sleep support - sdhci-of-at91: Improve system sleep support - dw_mmc: Add support for Hisilicon hi3660 - sunxi: Add support for A83T eMMC - sunxi: Add support for DDR52 mode - meson-gx: Add support for UHS-I SD-cards - meson-gx: Cleanups and improvements - tmio: Fix CMD12 (STOP) handling - tmio: Cleanups and improvements - renesas_sdhi: Add r8a7743/5 support - renesas-sdhi: Add support for R-Car Gen3 SDHI DMAC - renesas_sdhi: Cleanups and improvements" * tag 'mmc-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (145 commits) mmc: renesas_sdhi: Add r8a7743/5 support mmc: meson-gx: fix __ffsdi2 undefined on arm32 mmc: sdhci-xenon: add runtime pm support and reimplement standby mmc: core: Move mmc_start_areq() declaration mmc: mmci: stop building qcom dml as module mmc: sunxi: Reset the device at probe time clk: sunxi-ng: Provide a default reset hook mmc: meson-gx: rework tuning function mmc: meson-gx: change default tx phase mmc: meson-gx: implement voltage switch callback mmc: meson-gx: use CCF to handle the clock phases mmc: meson-gx: implement card_busy callback mmc: meson-gx: simplify interrupt handler mmc: meson-gx: work around clk-stop issue mmc: meson-gx: fix dual data rate mode frequencies mmc: meson-gx: rework clock init function mmc: meson-gx: rework clk_set function mmc: meson-gx: rework set_ios function mmc: meson-gx: cfg init overwrite values mmc: meson-gx: initialize sane clk default before clock register ...
This commit is contained in:
Linus Torvalds
commit
15d8ffc964
91 changed files with 2565 additions and 1003 deletions
35
include/linux/clk/sunxi-ng.h
Normal file
35
include/linux/clk/sunxi-ng.h
Normal file
|
|
@ -0,0 +1,35 @@
|
|||
/*
|
||||
* Copyright (c) 2017 Chen-Yu Tsai. All rights reserved.
|
||||
*
|
||||
* This software is licensed under the terms of the GNU General Public
|
||||
* License version 2, as published by the Free Software Foundation, and
|
||||
* may be copied, distributed, and modified under those terms.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*/
|
||||
|
||||
#ifndef _LINUX_CLK_SUNXI_NG_H_
|
||||
#define _LINUX_CLK_SUNXI_NG_H_
|
||||
|
||||
#include <linux/errno.h>
|
||||
|
||||
#ifdef CONFIG_SUNXI_CCU
|
||||
int sunxi_ccu_set_mmc_timing_mode(struct clk *clk, bool new_mode);
|
||||
int sunxi_ccu_get_mmc_timing_mode(struct clk *clk);
|
||||
#else
|
||||
static inline int sunxi_ccu_set_mmc_timing_mode(struct clk *clk,
|
||||
bool new_mode)
|
||||
{
|
||||
return -ENOTSUPP;
|
||||
}
|
||||
|
||||
static inline int sunxi_ccu_get_mmc_timing_mode(struct clk *clk)
|
||||
{
|
||||
return -ENOTSUPP;
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
@ -107,6 +107,9 @@
|
|||
*/
|
||||
#define TMIO_MMC_CLK_ACTUAL BIT(10)
|
||||
|
||||
/* Some controllers have a CBSY bit */
|
||||
#define TMIO_MMC_HAVE_CBSY BIT(11)
|
||||
|
||||
int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
|
||||
int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
|
||||
void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
|
||||
|
|
@ -128,6 +131,8 @@ struct tmio_mmc_data {
|
|||
unsigned int cd_gpio;
|
||||
int alignment_shift;
|
||||
dma_addr_t dma_rx_offset;
|
||||
unsigned int max_blk_count;
|
||||
unsigned short max_segs;
|
||||
void (*set_pwr)(struct platform_device *host, int state);
|
||||
void (*set_clk_div)(struct platform_device *host, int state);
|
||||
};
|
||||
|
|
|
|||
|
|
@ -29,8 +29,8 @@ struct mmc_csd {
|
|||
unsigned char structure;
|
||||
unsigned char mmca_vsn;
|
||||
unsigned short cmdclass;
|
||||
unsigned short tacc_clks;
|
||||
unsigned int tacc_ns;
|
||||
unsigned short taac_clks;
|
||||
unsigned int taac_ns;
|
||||
unsigned int c_size;
|
||||
unsigned int r2w_factor;
|
||||
unsigned int max_dtr;
|
||||
|
|
|
|||
|
|
@ -122,11 +122,18 @@ struct mmc_data {
|
|||
unsigned int timeout_clks; /* data timeout (in clocks) */
|
||||
unsigned int blksz; /* data block size */
|
||||
unsigned int blocks; /* number of blocks */
|
||||
unsigned int blk_addr; /* block address */
|
||||
int error; /* data error */
|
||||
unsigned int flags;
|
||||
|
||||
#define MMC_DATA_WRITE (1 << 8)
|
||||
#define MMC_DATA_READ (1 << 9)
|
||||
#define MMC_DATA_WRITE BIT(8)
|
||||
#define MMC_DATA_READ BIT(9)
|
||||
/* Extra flags used by CQE */
|
||||
#define MMC_DATA_QBR BIT(10) /* CQE queue barrier*/
|
||||
#define MMC_DATA_PRIO BIT(11) /* CQE high priority */
|
||||
#define MMC_DATA_REL_WR BIT(12) /* Reliable write */
|
||||
#define MMC_DATA_DAT_TAG BIT(13) /* Tag request */
|
||||
#define MMC_DATA_FORCED_PRG BIT(14) /* Forced programming */
|
||||
|
||||
unsigned int bytes_xfered;
|
||||
|
||||
|
|
@ -149,18 +156,22 @@ struct mmc_request {
|
|||
struct completion completion;
|
||||
struct completion cmd_completion;
|
||||
void (*done)(struct mmc_request *);/* completion function */
|
||||
/*
|
||||
* Notify uppers layers (e.g. mmc block driver) that recovery is needed
|
||||
* due to an error associated with the mmc_request. Currently used only
|
||||
* by CQE.
|
||||
*/
|
||||
void (*recovery_notifier)(struct mmc_request *);
|
||||
struct mmc_host *host;
|
||||
|
||||
/* Allow other commands during this ongoing data transfer or busy wait */
|
||||
bool cap_cmd_during_tfr;
|
||||
|
||||
int tag;
|
||||
};
|
||||
|
||||
struct mmc_card;
|
||||
struct mmc_async_req;
|
||||
|
||||
struct mmc_async_req *mmc_start_areq(struct mmc_host *host,
|
||||
struct mmc_async_req *areq,
|
||||
enum mmc_blk_status *ret_stat);
|
||||
void mmc_wait_for_req(struct mmc_host *host, struct mmc_request *mrq);
|
||||
int mmc_wait_for_cmd(struct mmc_host *host, struct mmc_command *cmd,
|
||||
int retries);
|
||||
|
|
|
|||
|
|
@ -162,6 +162,50 @@ struct mmc_host_ops {
|
|||
unsigned int direction, int blk_size);
|
||||
};
|
||||
|
||||
struct mmc_cqe_ops {
|
||||
/* Allocate resources, and make the CQE operational */
|
||||
int (*cqe_enable)(struct mmc_host *host, struct mmc_card *card);
|
||||
/* Free resources, and make the CQE non-operational */
|
||||
void (*cqe_disable)(struct mmc_host *host);
|
||||
/*
|
||||
* Issue a read, write or DCMD request to the CQE. Also deal with the
|
||||
* effect of ->cqe_off().
|
||||
*/
|
||||
int (*cqe_request)(struct mmc_host *host, struct mmc_request *mrq);
|
||||
/* Free resources (e.g. DMA mapping) associated with the request */
|
||||
void (*cqe_post_req)(struct mmc_host *host, struct mmc_request *mrq);
|
||||
/*
|
||||
* Prepare the CQE and host controller to accept non-CQ commands. There
|
||||
* is no corresponding ->cqe_on(), instead ->cqe_request() is required
|
||||
* to deal with that.
|
||||
*/
|
||||
void (*cqe_off)(struct mmc_host *host);
|
||||
/*
|
||||
* Wait for all CQE tasks to complete. Return an error if recovery
|
||||
* becomes necessary.
|
||||
*/
|
||||
int (*cqe_wait_for_idle)(struct mmc_host *host);
|
||||
/*
|
||||
* Notify CQE that a request has timed out. Return false if the request
|
||||
* completed or true if a timeout happened in which case indicate if
|
||||
* recovery is needed.
|
||||
*/
|
||||
bool (*cqe_timeout)(struct mmc_host *host, struct mmc_request *mrq,
|
||||
bool *recovery_needed);
|
||||
/*
|
||||
* Stop all CQE activity and prepare the CQE and host controller to
|
||||
* accept recovery commands.
|
||||
*/
|
||||
void (*cqe_recovery_start)(struct mmc_host *host);
|
||||
/*
|
||||
* Clear the queue and call mmc_cqe_request_done() on all requests.
|
||||
* Requests that errored will have the error set on the mmc_request
|
||||
* (data->error or cmd->error for DCMD). Requests that did not error
|
||||
* will have zero data bytes transferred.
|
||||
*/
|
||||
void (*cqe_recovery_finish)(struct mmc_host *host);
|
||||
};
|
||||
|
||||
struct mmc_async_req {
|
||||
/* active mmc request */
|
||||
struct mmc_request *mrq;
|
||||
|
|
@ -291,10 +335,6 @@ struct mmc_host {
|
|||
MMC_CAP2_HS200_1_2V_SDR)
|
||||
#define MMC_CAP2_CD_ACTIVE_HIGH (1 << 10) /* Card-detect signal active high */
|
||||
#define MMC_CAP2_RO_ACTIVE_HIGH (1 << 11) /* Write-protect signal active high */
|
||||
#define MMC_CAP2_PACKED_RD (1 << 12) /* Allow packed read */
|
||||
#define MMC_CAP2_PACKED_WR (1 << 13) /* Allow packed write */
|
||||
#define MMC_CAP2_PACKED_CMD (MMC_CAP2_PACKED_RD | \
|
||||
MMC_CAP2_PACKED_WR)
|
||||
#define MMC_CAP2_NO_PRESCAN_POWERUP (1 << 14) /* Don't power up before scan */
|
||||
#define MMC_CAP2_HS400_1_8V (1 << 15) /* Can support HS400 1.8V */
|
||||
#define MMC_CAP2_HS400_1_2V (1 << 16) /* Can support HS400 1.2V */
|
||||
|
|
@ -307,6 +347,8 @@ struct mmc_host {
|
|||
#define MMC_CAP2_HS400_ES (1 << 20) /* Host supports enhanced strobe */
|
||||
#define MMC_CAP2_NO_SD (1 << 21) /* Do not send SD commands during initialization */
|
||||
#define MMC_CAP2_NO_MMC (1 << 22) /* Do not send (e)MMC commands during initialization */
|
||||
#define MMC_CAP2_CQE (1 << 23) /* Has eMMC command queue engine */
|
||||
#define MMC_CAP2_CQE_DCMD (1 << 24) /* CQE can issue a direct command */
|
||||
|
||||
mmc_pm_flag_t pm_caps; /* supported pm features */
|
||||
|
||||
|
|
@ -328,9 +370,6 @@ struct mmc_host {
|
|||
unsigned int use_spi_crc:1;
|
||||
unsigned int claimed:1; /* host exclusively claimed */
|
||||
unsigned int bus_dead:1; /* bus has been released */
|
||||
#ifdef CONFIG_MMC_DEBUG
|
||||
unsigned int removed:1; /* host is being removed */
|
||||
#endif
|
||||
unsigned int can_retune:1; /* re-tuning can be used */
|
||||
unsigned int doing_retune:1; /* re-tuning in progress */
|
||||
unsigned int retune_now:1; /* do re-tuning at next req */
|
||||
|
|
@ -393,6 +432,13 @@ struct mmc_host {
|
|||
int dsr_req; /* DSR value is valid */
|
||||
u32 dsr; /* optional driver stage (DSR) value */
|
||||
|
||||
/* Command Queue Engine (CQE) support */
|
||||
const struct mmc_cqe_ops *cqe_ops;
|
||||
void *cqe_private;
|
||||
int cqe_qdepth;
|
||||
bool cqe_enabled;
|
||||
bool cqe_on;
|
||||
|
||||
unsigned long private[0] ____cacheline_aligned;
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue