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Differential D27086 Diff 79168 sys/arm/allwinner/aw_mmc.c

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sys/arm/allwinner/aw_mmc.c

Show First 20 Lines • Show All 170 Lines • ▼ Show 20 Lines
static void aw_mmc_helper_cd_handler(device_t, bool); static void aw_mmc_helper_cd_handler(device_t, bool);
static void aw_mmc_print_error(uint32_t); static void aw_mmc_print_error(uint32_t);
static int aw_mmc_update_ios(device_t, device_t); static int aw_mmc_update_ios(device_t, device_t);
static int aw_mmc_request(device_t, device_t, struct mmc_request *); static int aw_mmc_request(device_t, device_t, struct mmc_request *);
static int aw_mmc_get_ro(device_t, device_t); static int aw_mmc_get_ro(device_t, device_t);
static int aw_mmc_acquire_host(device_t, device_t); static int aw_mmc_acquire_host(device_t, device_t);
static int aw_mmc_release_host(device_t, device_t); static int aw_mmc_release_host(device_t, device_t);
static int aw_mmc_switch_vccq(device_t, device_t);
#ifdef MMCCAM #ifdef MMCCAM
static void aw_mmc_cam_action(struct cam_sim *, union ccb *); static void aw_mmc_cam_action(struct cam_sim *, union ccb *);
static void aw_mmc_cam_poll(struct cam_sim *); static void aw_mmc_cam_poll(struct cam_sim *);
static int aw_mmc_cam_settran_settings(struct aw_mmc_softc *, union ccb *); static int aw_mmc_cam_settran_settings(struct aw_mmc_softc *, union ccb *);
static int aw_mmc_cam_request(struct aw_mmc_softc *, union ccb *); static int aw_mmc_cam_request(struct aw_mmc_softc *, union ccb *);
static void aw_mmc_cam_handle_mmcio(struct cam_sim *, union ccb *); static void aw_mmc_cam_handle_mmcio(struct cam_sim *, union ccb *);
#endif #endif
▲ Show 20 Lines • Show All 99 Lines • ▼ Show 20 Lines
} }
static int static int
aw_mmc_cam_settran_settings(struct aw_mmc_softc *sc, union ccb *ccb) aw_mmc_cam_settran_settings(struct aw_mmc_softc *sc, union ccb *ccb)
{ {
struct mmc_ios *ios; struct mmc_ios *ios;
struct mmc_ios *new_ios; struct mmc_ios *new_ios;
struct ccb_trans_settings_mmc *cts; struct ccb_trans_settings_mmc *cts;
int res;
ios = &sc->aw_host.ios; ios = &sc->aw_host.ios;
cts = &ccb->cts.proto_specific.mmc; cts = &ccb->cts.proto_specific.mmc;
new_ios = &cts->ios; new_ios = &cts->ios;
/* Update only requested fields */ /* Update only requested fields */
if (cts->ios_valid & MMC_CLK) { if (cts->ios_valid & MMC_CLK) {
Show All 26 Lines if (cts->ios_valid & MMC_BT) {
if (bootverbose) if (bootverbose)
device_printf(sc->aw_dev, "Timing => %d\n", ios->timing); device_printf(sc->aw_dev, "Timing => %d\n", ios->timing);
} }
if (cts->ios_valid & MMC_BM) { if (cts->ios_valid & MMC_BM) {
ios->bus_mode = new_ios->bus_mode; ios->bus_mode = new_ios->bus_mode;
if (bootverbose) if (bootverbose)
device_printf(sc->aw_dev, "Bus mode => %d\n", ios->bus_mode); device_printf(sc->aw_dev, "Bus mode => %d\n", ios->bus_mode);
} }
if (cts->ios_valid & MMC_VCCQ) {
ios->vccq = new_ios->vccq;
if (bootverbose)
device_printf(sc->aw_dev, "VCCQ => %d\n", ios->vccq);
res = aw_mmc_switch_vccq(sc->aw_dev, NULL);
if (bootverbose)
device_printf(sc->aw_dev, "VCCQ switch result: %d\n", res);
}
return (aw_mmc_update_ios(sc->aw_dev, NULL)); return (aw_mmc_update_ios(sc->aw_dev, NULL));
} }
static int static int
aw_mmc_cam_request(struct aw_mmc_softc *sc, union ccb *ccb) aw_mmc_cam_request(struct aw_mmc_softc *sc, union ccb *ccb)
{ {
struct ccb_mmcio *mmcio; struct ccb_mmcio *mmcio;
▲ Show 20 Lines • Show All 163 Lines • ▼ Show 20 Lines#endif
if (aw_mmc_setup_dma(sc) != 0) { if (aw_mmc_setup_dma(sc) != 0) {
device_printf(sc->aw_dev, "Couldn't setup DMA!\n"); device_printf(sc->aw_dev, "Couldn't setup DMA!\n");
goto fail; goto fail;
} }
/* Set some defaults for freq and supported mode */ /* Set some defaults for freq and supported mode */
sc->aw_host.f_min = 400000; sc->aw_host.f_min = 400000;
sc->aw_host.f_max = 52000000; sc->aw_host.f_max = 52000000;
sc->aw_host.ios.vccq = vccq_330;
sc->aw_host.host_ocr = MMC_OCR_320_330 | MMC_OCR_330_340; sc->aw_host.host_ocr = MMC_OCR_320_330 | MMC_OCR_330_340;
sc->aw_host.caps |= MMC_CAP_HSPEED | MMC_CAP_SIGNALING_330; sc->aw_host.caps |= MMC_CAP_HSPEED | MMC_CAP_SIGNALING_330;
mmc_fdt_parse(dev, 0, &sc->mmc_helper, &sc->aw_host); mmc_fdt_parse(dev, 0, &sc->mmc_helper, &sc->aw_host);
mmc_fdt_gpio_setup(dev, 0, &sc->mmc_helper, aw_mmc_helper_cd_handler); mmc_fdt_gpio_setup(dev, 0, &sc->mmc_helper, aw_mmc_helper_cd_handler);
#ifdef MMCCAM #ifdef MMCCAM
sc->ccb = NULL; sc->ccb = NULL;
if ((sc->devq = cam_simq_alloc(1)) == NULL) { if ((sc->devq = cam_simq_alloc(1)) == NULL) {
▲ Show 20 Lines • Show All 887 Lines • ▼ Show 20 Linesaw_mmc_update_ios(device_t bus, device_t child)
} }
switch (ios->power_mode) { switch (ios->power_mode) {
case power_on: case power_on:
break; break;
case power_off: case power_off:
if (bootverbose) if (bootverbose)
device_printf(sc->aw_dev, "Powering down sd/mmc\n"); device_printf(sc->aw_dev, "Powering down sd/mmc\n");
if (sc->mmc_helper.vmmc_supply) if (sc->mmc_helper.vmmc_supply)
regulator_disable(sc->mmc_helper.vmmc_supply); regulator_disable(sc->mmc_helper.vmmc_supply);
if (sc->mmc_helper.vqmmc_supply) if (sc->mmc_helper.vqmmc_supply)
regulator_disable(sc->mmc_helper.vqmmc_supply); regulator_disable(sc->mmc_helper.vqmmc_supply);
aw_mmc_reset(sc); aw_mmc_reset(sc);
break; break;
case power_up: case power_up:
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