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prepare sdmmc_abort in irq handler

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Sven Peter 2009-05-13 00:36:46 +02:00 committed by bushing
parent 3b9fb897f7
commit e06fbf3b1e
2 changed files with 15 additions and 0 deletions
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14
sdhc.c
View File

@ -211,6 +211,7 @@ sdhc_host_found(struct sdhc_softc *sc, bus_space_tag_t iot,
hp->sc = sc;
hp->iot = iot;
hp->ioh = ioh;
hp->data_command = 0;
/*
* Reset the host controller and enable interrupts.
@ -600,6 +601,9 @@ sdhc_exec_command(sdmmc_chipset_handle_t sch, struct sdmmc_command *cmd)
struct sdhc_host *hp = sch;
int error;
if (cmd->c_datalen > 0)
hp->data_command = 1;
/*
* Start the MMC command, or mark `cmd' as failed and return.
*/
@ -607,6 +611,7 @@ sdhc_exec_command(sdmmc_chipset_handle_t sch, struct sdmmc_command *cmd)
if (error != 0) {
cmd->c_error = error;
SET(cmd->c_flags, SCF_ITSDONE);
hp->data_command = 0;
return;
}
@ -618,6 +623,7 @@ sdhc_exec_command(sdmmc_chipset_handle_t sch, struct sdmmc_command *cmd)
SDHC_COMMAND_TIMEOUT)) {
cmd->c_error = ETIMEDOUT;
SET(cmd->c_flags, SCF_ITSDONE);
hp->data_command = 0;
return;
}
@ -650,6 +656,7 @@ sdhc_exec_command(sdmmc_chipset_handle_t sch, struct sdmmc_command *cmd)
DPRINTF(1,("%s: cmd %u done (flags=%#x error=%d)\n",
HDEVNAME(hp), cmd->c_opcode, cmd->c_flags, cmd->c_error));
SET(cmd->c_flags, SCF_ITSDONE);
hp->data_command = 0;
}
int
@ -930,6 +937,13 @@ sdhc_intr(void *arg)
signal = HREAD2(hp, SDHC_EINTR_SIGNAL_EN);
HWRITE2(hp, SDHC_EINTR_SIGNAL_EN, 0);
(void)sdhc_soft_reset(hp, SDHC_RESET_DAT|SDHC_RESET_CMD);
if (hp->data_command == 1) {
hp->data_command = 0;
// TODO: add a way to send commands from irq
// context and uncomment this
// sdmmc_abort();
}
HWRITE2(hp, SDHC_EINTR_STATUS, error);
HWRITE2(hp, SDHC_EINTR_SIGNAL_EN, signal);

1
sdhcvar.h
View File

@ -39,6 +39,7 @@ struct sdhc_host {
u_int8_t regs[14]; /* host controller state */
u_int16_t intr_status; /* soft interrupt status */
u_int16_t intr_error_status; /* soft error status */
int data_command;
};
struct sdhc_softc {