Date: Wed, 1 Aug 2012 01:18:36 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r238965 - head/sys/dev/spibus Message-ID: <201208010118.q711Ia5p094390@svn.freebsd.org>
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Author: imp Date: Wed Aug 1 01:18:36 2012 New Revision: 238965 URL: http://svn.freebsd.org/changeset/base/238965 Log: Add the chip select glue. Modified: head/sys/dev/spibus/spi.h head/sys/dev/spibus/spibus.c Modified: head/sys/dev/spibus/spi.h ============================================================================== --- head/sys/dev/spibus/spi.h Wed Aug 1 00:36:12 2012 (r238964) +++ head/sys/dev/spibus/spi.h Wed Aug 1 01:18:36 2012 (r238965) @@ -1,6 +1,7 @@ /* $FreeBSD$ */ struct spi_command { + int cs; void *tx_cmd; uint32_t tx_cmd_sz; void *rx_cmd; @@ -10,3 +11,5 @@ struct spi_command { void *rx_data; uint32_t rx_data_sz; }; + +#define SPI_CHIP_SELECT_HIGH 0x1 /* Chip select high (else low) */ Modified: head/sys/dev/spibus/spibus.c ============================================================================== --- head/sys/dev/spibus/spibus.c Wed Aug 1 00:36:12 2012 (r238964) +++ head/sys/dev/spibus/spibus.c Wed Aug 1 01:18:36 2012 (r238965) @@ -158,6 +158,9 @@ spibus_hinted_child(device_t bus, const static int spibus_transfer_impl(device_t dev, device_t child, struct spi_command *cmd) { + /* Maybe set flags too? spi mode? */ + spibus_get_cs(dev, &cmd->cs); + return (SPIBUS_TRANSFER(device_get_parent(dev), child, cmd)); }
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