media: ddbridge: add macros to handle IRQs in nibble and byte blocks
Currently, each IRQ requires one IRQ_HANDLE() line to call each IRQ handler that was set up. Add a IRQ_HANDLE_NIBBLE() and IRQ_HANDLE_BYTE() macro to call all handlers in blocks of four (_NIBBLE) or eight (_BYTE) handlers at a time, to make this construct more compact. Picked up from the upstream dddvb-0.9.33 release. Signed-off-by: Daniel Scheller <d.scheller@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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@ -2388,54 +2388,41 @@ void ddb_ports_release(struct ddb *dev)
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dev->link[0].irq[_nr].handler(dev->link[0].irq[_nr].data); } \
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while (0)
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#define IRQ_HANDLE_NIBBLE(_shift) { \
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if (s & (0x0000000f << ((_shift) & 0x1f))) { \
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IRQ_HANDLE(0 + (_shift)); \
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IRQ_HANDLE(1 + (_shift)); \
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IRQ_HANDLE(2 + (_shift)); \
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IRQ_HANDLE(3 + (_shift)); \
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} \
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}
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#define IRQ_HANDLE_BYTE(_shift) { \
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if (s & (0x000000ff << ((_shift) & 0x1f))) { \
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IRQ_HANDLE(0 + (_shift)); \
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IRQ_HANDLE(1 + (_shift)); \
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IRQ_HANDLE(2 + (_shift)); \
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IRQ_HANDLE(3 + (_shift)); \
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IRQ_HANDLE(4 + (_shift)); \
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IRQ_HANDLE(5 + (_shift)); \
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IRQ_HANDLE(6 + (_shift)); \
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IRQ_HANDLE(7 + (_shift)); \
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} \
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}
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static void irq_handle_msg(struct ddb *dev, u32 s)
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{
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dev->i2c_irq++;
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IRQ_HANDLE(0);
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IRQ_HANDLE(1);
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IRQ_HANDLE(2);
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IRQ_HANDLE(3);
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IRQ_HANDLE_NIBBLE(0);
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}
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static void irq_handle_io(struct ddb *dev, u32 s)
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{
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dev->ts_irq++;
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if ((s & 0x000000f0)) {
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IRQ_HANDLE(4);
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IRQ_HANDLE(5);
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IRQ_HANDLE(6);
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IRQ_HANDLE(7);
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}
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if ((s & 0x0000ff00)) {
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IRQ_HANDLE(8);
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IRQ_HANDLE(9);
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IRQ_HANDLE(10);
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IRQ_HANDLE(11);
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IRQ_HANDLE(12);
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IRQ_HANDLE(13);
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IRQ_HANDLE(14);
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IRQ_HANDLE(15);
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}
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if ((s & 0x00ff0000)) {
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IRQ_HANDLE(16);
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IRQ_HANDLE(17);
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IRQ_HANDLE(18);
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IRQ_HANDLE(19);
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IRQ_HANDLE(20);
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IRQ_HANDLE(21);
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IRQ_HANDLE(22);
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IRQ_HANDLE(23);
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}
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if ((s & 0xff000000)) {
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IRQ_HANDLE(24);
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IRQ_HANDLE(25);
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IRQ_HANDLE(26);
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IRQ_HANDLE(27);
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IRQ_HANDLE(28);
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IRQ_HANDLE(29);
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IRQ_HANDLE(30);
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IRQ_HANDLE(31);
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}
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IRQ_HANDLE_NIBBLE(4);
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IRQ_HANDLE_BYTE(8);
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IRQ_HANDLE_BYTE(16);
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IRQ_HANDLE_BYTE(24);
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}
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irqreturn_t ddb_irq_handler0(int irq, void *dev_id)
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