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Give mmcsd driver a bit more information about card. It allows to reorganize

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log message in a way a bit more common for disk devices. Also it will allow
mmcsd driver to use MMC/SD specific commands when needed.
This commit is contained in:
Alexander Motin 2008-10-11 13:05:13 +00:00
parent 973daf2990
commit 67d752c3d4
3 changed files with 36 additions and 14 deletions
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35
sys/dev/mmc/mmc.c
View File

@ -115,6 +115,7 @@ static int mmc_detach(device_t dev);
#define MMC_ASSERT_LOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_OWNED);
#define MMC_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED);
static int mmc_calculate_clock(struct mmc_softc *sc);
static void mmc_delayed_attach(void *);
static void mmc_power_down(struct mmc_softc *sc);
static int mmc_wait_for_cmd(struct mmc_softc *sc, struct mmc_command *cmd,
@ -122,7 +123,7 @@ static int mmc_wait_for_cmd(struct mmc_softc *sc, struct mmc_command *cmd,
static int mmc_wait_for_command(struct mmc_softc *sc, uint32_t opcode,
uint32_t arg, uint32_t flags, uint32_t *resp, int retries);
static int mmc_select_card(struct mmc_softc *sc, uint16_t rca);
static int mmc_set_bus_width(struct mmc_softc *sc, uint16_t rca, int width);
static int mmc_set_card_bus_width(struct mmc_softc *sc, uint16_t rca, int width);
static int mmc_app_send_scr(struct mmc_softc *sc, uint16_t rca, uint32_t *rawscr);
static void mmc_app_decode_scr(uint32_t *raw_scr, struct mmc_scr *scr);
static int mmc_send_ext_csd(struct mmc_softc *sc, uint8_t *rawextcsd);
@ -215,11 +216,13 @@ mmc_acquire_bus(device_t busdev, device_t dev)
sc->last_rca = rca;
/* Prepare bus width for the new card. */
ivar = device_get_ivars(dev);
device_printf(busdev,
"setting bus width to %d bits\n",
(ivar->bus_width == bus_width_4)?4:
(ivar->bus_width == bus_width_8)?8:1);
mmc_set_bus_width(sc, rca, ivar->bus_width);
if (bootverbose) {
device_printf(busdev,
"setting bus width to %d bits\n",
(ivar->bus_width == bus_width_4)?4:
(ivar->bus_width == bus_width_8)?8:1);
}
mmc_set_card_bus_width(sc, rca, ivar->bus_width);
mmcbr_set_bus_width(busdev, ivar->bus_width);
mmcbr_update_ios(busdev);
}
@ -571,7 +574,7 @@ mmc_sd_switch(struct mmc_softc *sc, uint8_t mode, uint8_t grp, uint8_t value, ui
}
static int
mmc_set_bus_width(struct mmc_softc *sc, uint16_t rca, int width)
mmc_set_card_bus_width(struct mmc_softc *sc, uint16_t rca, int width)
{
int err;
@ -1167,6 +1170,7 @@ mmc_go_discovery(struct mmc_softc *sc)
mmcbr_set_bus_mode(dev, pushpull);
mmcbr_update_ios(dev);
mmc_calculate_clock(sc);
bus_generic_attach(dev);
/* mmc_update_children_sysctl(dev);*/
}
@ -1208,9 +1212,11 @@ mmc_calculate_clock(struct mmc_softc *sc)
free(kids, M_TEMP);
if (max_timing == bus_timing_hs)
max_dtr = max_hs_dtr;
device_printf(sc->dev, "setting transfer rate to %d.%03dMHz%s\n",
max_dtr / 1000000, (max_dtr / 1000) % 1000,
(max_timing == bus_timing_hs)?" with high speed timing":"");
if (bootverbose) {
device_printf(sc->dev, "setting transfer rate to %d.%03dMHz%s\n",
max_dtr / 1000000, (max_dtr / 1000) % 1000,
(max_timing == bus_timing_hs)?" with high speed timing":"");
}
mmcbr_set_timing(sc->dev, max_timing);
mmcbr_set_clock(sc->dev, max_dtr);
mmcbr_update_ios(sc->dev);
@ -1228,7 +1234,6 @@ mmc_scan(struct mmc_softc *sc)
if (mmcbr_get_power_mode(dev) == power_on)
mmc_rescan_cards(sc);
mmc_go_discovery(sc);
mmc_calculate_clock(sc);
mmc_release_bus(dev, dev);
/* XXX probe/attach/detach children? */
@ -1255,7 +1260,7 @@ mmc_read_ivar(device_t bus, device_t child, int which, u_char *result)
*(int *)result = MMC_SECTOR_SIZE;
break;
case MMC_IVAR_TRAN_SPEED:
*(int *)result = ivar->csd.tran_speed;
*(int *)result = mmcbr_get_clock(bus);
break;
case MMC_IVAR_READ_ONLY:
*(int *)result = ivar->read_only;
@ -1263,6 +1268,12 @@ mmc_read_ivar(device_t bus, device_t child, int which, u_char *result)
case MMC_IVAR_HIGH_CAP:
*(int *)result = ivar->high_cap;
break;
case MMC_IVAR_CARD_TYPE:
*(int *)result = ivar->mode;
break;
case MMC_IVAR_BUS_WIDTH:
*(int *)result = ivar->bus_width;
break;
}
return (0);
}

9
sys/dev/mmc/mmcsd.c
View File

@ -133,10 +133,15 @@ mmcsd_attach(device_t dev)
mmc_get_sector_size(dev);
sc->disk->d_unit = device_get_unit(dev);
device_printf(dev, "%juMB <MMC/SD Memory Card>%s at %s\n",
device_printf(dev, "%juMB <%s Memory Card>%s at %s %dMHz/%dbit\n",
sc->disk->d_mediasize / 1048576,
(mmc_get_card_type(dev) == mode_mmc)?"MMC":
(mmc_get_high_cap(dev)?"SDHC":"SD"),
mmc_get_read_only(dev)?" (read-only)":"",
device_get_nameunit(device_get_parent(sc->dev)));
device_get_nameunit(device_get_parent(sc->dev)),
mmc_get_tran_speed(dev)/1000000,
(mmc_get_bus_width(dev) == bus_width_1)?1:
((mmc_get_bus_width(dev) == bus_width_4)?4:8));
disk_create(sc->disk, DISK_VERSION);
bioq_init(&sc->bio_queue);

6
sys/dev/mmc/mmcvar.h
View File

@ -55,6 +55,8 @@
#ifndef DEV_MMC_MMCVAR_H
#define DEV_MMC_MMCVAR_H
#include <dev/mmc/bridge.h>
enum mmc_device_ivars {
MMC_IVAR_DSR_IMP,
MMC_IVAR_MEDIA_SIZE,
@ -63,6 +65,8 @@ enum mmc_device_ivars {
MMC_IVAR_TRAN_SPEED,
MMC_IVAR_READ_ONLY,
MMC_IVAR_HIGH_CAP,
MMC_IVAR_CARD_TYPE,
MMC_IVAR_BUS_WIDTH,
// MMC_IVAR_,
};
@ -79,5 +83,7 @@ MMC_ACCESSOR(sector_size, SECTOR_SIZE, int)
MMC_ACCESSOR(tran_speed, TRAN_SPEED, int)
MMC_ACCESSOR(read_only, READ_ONLY, int)
MMC_ACCESSOR(high_cap, HIGH_CAP, int)
MMC_ACCESSOR(card_type, CARD_TYPE, int)
MMC_ACCESSOR(bus_width, BUS_WIDTH, int)
#endif /* DEV_MMC_MMCVAR_H */