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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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4ab9f870a6
'struct lpphy_tx_gain_table_entry' are not modified in this driver. Constifying this structure moves some data to a read-only section, so increase overall security. On a x86_64, with allmodconfig: Before: ====== text data bss dec hex filename 16481 6232 0 22713 58b9 drivers/net/wireless/broadcom/b43/tables_lpphy.o After: ===== text data bss dec hex filename 22305 395 0 22700 58ac drivers/net/wireless/broadcom/b43/tables_lpphy.o Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-By: Michael Büsch <m@bues.ch> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://patch.msgid.link/e33bc9e6dff4a5b6cd8d0ab5399aa1abac5bef9d.1722753127.git.christophe.jaillet@wanadoo.fr
46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef B43_TABLES_LPPHY_H_
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#define B43_TABLES_LPPHY_H_
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#define B43_LPTAB_TYPEMASK 0xF0000000
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#define B43_LPTAB_8BIT 0x10000000
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#define B43_LPTAB_16BIT 0x20000000
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#define B43_LPTAB_32BIT 0x30000000
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#define B43_LPTAB8(table, offset) (((table) << 10) | (offset) | B43_LPTAB_8BIT)
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#define B43_LPTAB16(table, offset) (((table) << 10) | (offset) | B43_LPTAB_16BIT)
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#define B43_LPTAB32(table, offset) (((table) << 10) | (offset) | B43_LPTAB_32BIT)
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/* Table definitions */
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#define B43_LPTAB_TXPWR_R2PLUS B43_LPTAB32(0x07, 0) /* TX power lookup table (rev >= 2) */
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#define B43_LPTAB_TXPWR_R0_1 B43_LPTAB32(0xA0, 0) /* TX power lookup table (rev < 2) */
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u32 b43_lptab_read(struct b43_wldev *dev, u32 offset);
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void b43_lptab_write(struct b43_wldev *dev, u32 offset, u32 value);
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/* Bulk table access. Note that these functions return the bulk data in
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* host endianness! The returned data is _not_ a bytearray, but an array
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* consisting of nr_elements of the data type. */
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void b43_lptab_read_bulk(struct b43_wldev *dev, u32 offset,
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unsigned int nr_elements, void *data);
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void b43_lptab_write_bulk(struct b43_wldev *dev, u32 offset,
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unsigned int nr_elements, const void *data);
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void b2062_upload_init_table(struct b43_wldev *dev);
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void b2063_upload_init_table(struct b43_wldev *dev);
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struct lpphy_tx_gain_table_entry {
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u8 gm, pga, pad, dac, bb_mult;
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};
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void lpphy_write_gain_table(struct b43_wldev *dev, int offset,
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struct lpphy_tx_gain_table_entry data);
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void lpphy_write_gain_table_bulk(struct b43_wldev *dev, int offset, int count,
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const struct lpphy_tx_gain_table_entry *table);
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void lpphy_rev0_1_table_init(struct b43_wldev *dev);
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void lpphy_rev2plus_table_init(struct b43_wldev *dev);
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void lpphy_init_tx_gain_table(struct b43_wldev *dev);
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#endif /* B43_TABLES_LPPHY_H_ */
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